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authorMark Brown <broonie@kernel.org>2026-07-26 22:07:38 +0100
committerMark Brown <broonie@kernel.org>2026-07-26 22:07:38 +0100
commite495fa5a1355d200d3297f77a440835bb00f7a52 (patch)
tree5a97727f27cc4bff4816d9c5dda9ebc3a2b56a25 /drivers/net/ethernet
parentb4669b7a027d6cb271dc4ebf44b7f7a7186119ad (diff)
parent04026c998c24ac47eb76886b9790c5710b603eb4 (diff)
downloadlinux-next-e495fa5a1355d200d3297f77a440835bb00f7a52.tar.gz
linux-next-e495fa5a1355d200d3297f77a440835bb00f7a52.zip
Merge branch 'main' of https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git
# Conflicts: # MAINTAINERS
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/adi/Kconfig12
-rw-r--r--drivers/net/ethernet/adi/Makefile1
-rw-r--r--drivers/net/ethernet/adi/adin1140.c791
-rw-r--r--drivers/net/ethernet/airoha/airoha_ppe.c10
-rw-r--r--drivers/net/ethernet/allwinner/sun4i-emac.c2
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.c2
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c8
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c6
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad.c2
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c3
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c931
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h42
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h18
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpsw.c60
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpsw.h30
-rw-r--r--drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.c1
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c4
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hnae3.h14
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h3
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c12
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h9
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c172
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h7
-rw-r--r--drivers/net/ethernet/huawei/hinic3/hinic3_tx.c5
-rw-r--r--drivers/net/ethernet/ibm/Kconfig9
-rw-r--r--drivers/net/ethernet/ibm/Makefile1
-rw-r--r--drivers/net/ethernet/ibm/ehea/Makefile7
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea.h477
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_ethtool.c277
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_hw.h253
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_main.c3581
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_phyp.c612
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_phyp.h433
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_qmr.c999
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_qmr.h390
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c2
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_txrx.c2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_gnss.c5
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx.c2
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_txrx.c2
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_82575.h21
-rw-r--r--drivers/net/ethernet/intel/igb/igb.h3
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ethtool.c85
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c25
-rw-r--r--drivers/net/ethernet/intel/igc/igc.h3
-rw-r--r--drivers/net/ethernet/intel/igc/igc_base.c35
-rw-r--r--drivers/net/ethernet/intel/igc/igc_defines.h9
-rw-r--r--drivers/net/ethernet/intel/igc/igc_ethtool.c277
-rw-r--r--drivers/net/ethernet/intel/igc/igc_hw.h10
-rw-r--r--drivers/net/ethernet/intel/igc/igc_mac.c35
-rw-r--r--drivers/net/ethernet/intel/igc/igc_main.c10
-rw-r--r--drivers/net/ethernet/intel/igc/igc_phy.c65
-rw-r--r--drivers/net/ethernet/intel/igc/igc_phy.h1
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c18
-rw-r--r--drivers/net/ethernet/marvell/mvneta_bm.c87
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/mbox.h5
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/npc.h4
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu.h2
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c21
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c43
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/cn20k.c1
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c2
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c2
-rw-r--r--drivers/net/ethernet/marvell/prestera/prestera_router.c6
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c5
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/devlink.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/fs.h7
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h19
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c1007
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.h18
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp_rxtx.c13
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp_rxtx.h3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c23
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rep.c8
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rx.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c8
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c605
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/esw/qos.h3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch.c27
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch.h18
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_core.h12
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/steering/hws/cmd.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c8
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c2
-rw-r--r--drivers/net/ethernet/microchip/lan865x/lan865x.c2
-rw-r--r--drivers/net/ethernet/microchip/sparx5/lan969x/lan969x_regs.c3
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_main_regs.h12
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_port.c4
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_qos.c49
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_qos.h1
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_regs.c3
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_regs.h3
-rw-r--r--drivers/net/ethernet/microsoft/Kconfig1
-rw-r--r--drivers/net/ethernet/microsoft/mana/gdma_main.c53
-rw-r--r--drivers/net/ethernet/microsoft/mana/mana_en.c189
-rw-r--r--drivers/net/ethernet/microsoft/mana/mana_ethtool.c167
-rw-r--r--drivers/net/ethernet/oa_tc6.c263
-rw-r--r--drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c2
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c7
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_dcbx.c2
-rw-r--r--drivers/net/ethernet/qualcomm/ppe/ppe.c1
-rw-r--r--drivers/net/ethernet/qualcomm/ppe/ppe_config.c7
-rw-r--r--drivers/net/ethernet/qualcomm/ppe/ppe_config.h2
-rw-r--r--drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c3
-rw-r--r--drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c3
-rw-r--r--drivers/net/ethernet/sfc/Kconfig9
-rw-r--r--drivers/net/ethernet/sfc/Makefile1
-rw-r--r--drivers/net/ethernet/sfc/ef10.c41
-rw-r--r--drivers/net/ethernet/sfc/efx.c18
-rw-r--r--drivers/net/ethernet/sfc/efx_cxl.c105
-rw-r--r--drivers/net/ethernet/sfc/efx_cxl.h32
-rw-r--r--drivers/net/ethernet/sfc/falcon/selftest.c4
-rw-r--r--drivers/net/ethernet/sfc/mcdi.c7
-rw-r--r--drivers/net/ethernet/sfc/net_driver.h10
-rw-r--r--drivers/net/ethernet/sfc/nic.h3
-rw-r--r--drivers/net/ethernet/sfc/selftest.c4
-rw-r--r--drivers/net/ethernet/sfc/siena/mcdi.c7
-rw-r--r--drivers/net/ethernet/sfc/siena/selftest.c4
-rw-r--r--drivers/net/ethernet/sfc/tc_encap_actions.c2
-rw-r--r--drivers/net/ethernet/sgi/ioc3-eth.c9
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-eic7700.c117
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c17
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c4
-rw-r--r--drivers/net/ethernet/wangxun/libwx/wx_ethtool.c68
-rw-r--r--drivers/net/ethernet/wangxun/libwx/wx_lib.c33
-rw-r--r--drivers/net/ethernet/wangxun/libwx/wx_lib.h4
-rw-r--r--drivers/net/ethernet/wangxun/libwx/wx_vf.h1
-rw-r--r--drivers/net/ethernet/wangxun/libwx/wx_vf_common.c4
-rw-r--r--drivers/net/ethernet/wangxun/libwx/wx_vf_common.h2
-rw-r--r--drivers/net/ethernet/wangxun/libwx/wx_vf_lib.c13
134 files changed, 4559 insertions, 8509 deletions
diff --git a/drivers/net/ethernet/adi/Kconfig b/drivers/net/ethernet/adi/Kconfig
index 760a9a60bc15..bdb8ff7d15da 100644
--- a/drivers/net/ethernet/adi/Kconfig
+++ b/drivers/net/ethernet/adi/Kconfig
@@ -26,4 +26,16 @@ config ADIN1110
Say yes here to build support for Analog Devices ADIN1110
Low Power 10BASE-T1L Ethernet MAC-PHY.
+config ADIN1140
+ tristate "Analog Devices ADIN1140 MAC-PHY"
+ depends on SPI
+ select ADIN1140_PHY
+ select OA_TC6
+ help
+ Say yes here to build support for Analog Devices, Inc. ADIN1140
+ 10BASE-T1S Ethernet MAC-PHY.
+
+ To compile this driver as a module, choose M here. The module will be
+ called adin1140.
+
endif # NET_VENDOR_ADI
diff --git a/drivers/net/ethernet/adi/Makefile b/drivers/net/ethernet/adi/Makefile
index d0383d94303c..0390ca8ccc49 100644
--- a/drivers/net/ethernet/adi/Makefile
+++ b/drivers/net/ethernet/adi/Makefile
@@ -4,3 +4,4 @@
#
obj-$(CONFIG_ADIN1110) += adin1110.o
+obj-$(CONFIG_ADIN1140) += adin1140.o
diff --git a/drivers/net/ethernet/adi/adin1140.c b/drivers/net/ethernet/adi/adin1140.c
new file mode 100644
index 000000000000..93710baca151
--- /dev/null
+++ b/drivers/net/ethernet/adi/adin1140.c
@@ -0,0 +1,791 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Driver for Analog Devices, Inc. ADIN1140 10BASE-T1S MAC-PHY
+ *
+ * Copyright 2026 Analog Devices Inc.
+ */
+
+#include <linux/cleanup.h>
+#include <linux/etherdevice.h>
+#include <linux/kernel.h>
+#include <linux/mdio.h>
+#include <linux/module.h>
+#include <linux/oa_tc6.h>
+#include <linux/phy.h>
+
+#define ADIN1140_MAC_CONFIG2_STAT_CLR_RD BIT(6)
+#define ADIN1140_MAC_CONFIG2_FWD_UNK2HOST BIT(2)
+
+#define ADIN1140_MAC_P1_LOOP_ADDR_REG 0xC4
+
+#define ADIN1140_MAC_ADDR_FILT_UPR_REG 0x50
+#define ADIN1140_MAC_ADDR_FILT_APPLY2PORT1 BIT(30)
+#define ADIN1140_MAC_ADDR_FILT_TO_HOST BIT(16)
+
+#define ADIN1140_MAC_ADDR_FILT_LWR_REG 0x51
+
+#define ADIN1140_MAC_ADDR_MASK_UPR_REG 0x70
+#define ADIN1140_MAC_ADDR_MASK_LWR_REG 0x71
+
+#define ADIN1140_MAC_FILT_MC_SLOT 0U
+#define ADIN1140_MAC_FILT_BC_SLOT 1U
+#define ADIN1140_MAC_FILT_UC_SLOT 2U
+#define ADIN1140_MAC_FILT_MAX_SLOT 16U
+#define ADIN1140_MAC_FILT_MASK_LIMIT 2U
+
+#define ADIN1140_MAC_RX_FRAME_CNT 0xA1
+#define ADIN1140_MAC_RX_BC_FRAME_CNT 0xA2
+#define ADIN1140_MAC_RX_MC_FRAME_CNT 0xA3
+#define ADIN1140_MAC_RX_CRC_ERR_CNT 0xA5
+#define ADIN1140_MAC_RX_ALIGN_ERR_CNT 0xA6
+#define ADIN1140_MAC_RX_PREAMBLE_ERR_CNT 0xA7
+#define ADIN1140_MAC_RX_SHORT_ERR_CNT 0xA8
+#define ADIN1140_MAC_RX_LONG_ERR_CNT 0xA9
+#define ADIN1140_MAC_RX_PHY_ERR_CNT 0xAA
+#define ADIN1140_MAC_RX_DRP_FULL_CNT 0xAB
+#define ADIN1140_MAC_RX_DRP_FILTER_CNT 0xAD
+#define ADIN1140_MAC_RX_IFG_ERR_CNT 0xAE
+#define ADIN1140_MAC_TX_FRAME_CNT 0xB1
+#define ADIN1140_MAC_TX_BC_FRAME_CNT 0xB2
+#define ADIN1140_MAC_TX_MC_FRAME_CNT 0xB3
+#define ADIN1140_MAC_TX_SINGLE_COL_CNT 0xB5
+#define ADIN1140_MAC_TX_MULTI_COL_CNT 0xB6
+#define ADIN1140_MAC_TX_DEFERRED_CNT 0xB7
+#define ADIN1140_MAC_TX_LATE_COL_CNT 0xB8
+#define ADIN1140_MAC_TX_EXCESS_COL_CNT 0xB9
+#define ADIN1140_MAC_TX_UNDERRUN_CNT 0xBA
+
+/* ADIN1140_MAC_FILT_MAX_SLOT - 3 (multicast, broadcast and unicast
+ * reserved slots)
+ */
+#define ADIN1140_MAC_FILT_AVAIL 13U
+
+#define ADIN1140_PHY_CTRL_DEFAULT 0x1000
+#define ADIN1140_PHY_STATUS_DEFAULT 0x082D
+#define ADIN1140_PHY_ID1 0x0283
+#define ADIN1140_PHY_ID2 0xBE00
+
+#define ADIN1140_STATS_CHECK_DELAY (3 * HZ)
+
+enum adin1140_statistics_entry {
+ rx_frames,
+ rx_bc_frames,
+ rx_mc_frames,
+ rx_crc_errors,
+ rx_align_errors,
+ rx_preamble_errors,
+ rx_short_frame_errors,
+ rx_long_frame_errors,
+ rx_phy_errors,
+ rx_fifo_full_dropped,
+ rx_addr_filter_dropped,
+ rx_ifg_errors,
+ tx_frames,
+ tx_bc_frames,
+ tx_mc_frames,
+ tx_single_collision,
+ tx_multi_collision,
+ tx_deferred,
+ tx_late_collision,
+ tx_excess_collision,
+ tx_underrun,
+ ADIN1140_STATS_CNT,
+};
+
+struct adin1140_statistics_reg {
+ const char *name;
+ enum adin1140_statistics_entry idx;
+};
+
+struct adin1140_priv {
+ struct net_device *netdev;
+ struct oa_tc6 *tc6;
+ struct mii_bus *mdiobus;
+ struct phy_device *phydev;
+ struct delayed_work stats_work;
+
+ /* Protects stats[] from concurrent updates in adin1140_stats_work
+ * and reads in the get_stats functions
+ */
+ spinlock_t stat_lock;
+ u64 stats[ADIN1140_STATS_CNT];
+};
+
+static const u32 adin1140_stat_regs[] = {
+ [rx_frames] = ADIN1140_MAC_RX_FRAME_CNT,
+ [rx_bc_frames] = ADIN1140_MAC_RX_BC_FRAME_CNT,
+ [rx_mc_frames] = ADIN1140_MAC_RX_MC_FRAME_CNT,
+ [rx_crc_errors] = ADIN1140_MAC_RX_CRC_ERR_CNT,
+ [rx_align_errors] = ADIN1140_MAC_RX_ALIGN_ERR_CNT,
+ [rx_preamble_errors] = ADIN1140_MAC_RX_PREAMBLE_ERR_CNT,
+ [rx_short_frame_errors] = ADIN1140_MAC_RX_SHORT_ERR_CNT,
+ [rx_long_frame_errors] = ADIN1140_MAC_RX_LONG_ERR_CNT,
+ [rx_phy_errors] = ADIN1140_MAC_RX_PHY_ERR_CNT,
+ [rx_fifo_full_dropped] = ADIN1140_MAC_RX_DRP_FULL_CNT,
+ [rx_addr_filter_dropped] = ADIN1140_MAC_RX_DRP_FILTER_CNT,
+ [rx_ifg_errors] = ADIN1140_MAC_RX_IFG_ERR_CNT,
+ [tx_frames] = ADIN1140_MAC_TX_FRAME_CNT,
+ [tx_bc_frames] = ADIN1140_MAC_TX_BC_FRAME_CNT,
+ [tx_mc_frames] = ADIN1140_MAC_TX_MC_FRAME_CNT,
+ [tx_single_collision] = ADIN1140_MAC_TX_SINGLE_COL_CNT,
+ [tx_multi_collision] = ADIN1140_MAC_TX_MULTI_COL_CNT,
+ [tx_deferred] = ADIN1140_MAC_TX_DEFERRED_CNT,
+ [tx_late_collision] = ADIN1140_MAC_TX_LATE_COL_CNT,
+ [tx_excess_collision] = ADIN1140_MAC_TX_EXCESS_COL_CNT,
+ [tx_underrun] = ADIN1140_MAC_TX_UNDERRUN_CNT,
+};
+
+static const struct adin1140_statistics_reg adin1140_stats[] = {
+ {.name = "rx_preamble_errors", .idx = rx_preamble_errors},
+ {.name = "rx_ifg_errors", .idx = rx_ifg_errors},
+};
+
+static int adin1140_mac_filter_set(struct adin1140_priv *priv,
+ const u8 *addr, const u8 *mask,
+ u8 slot)
+{
+ u32 reg_address;
+ u32 val;
+ int ret;
+
+ if (slot >= ADIN1140_MAC_FILT_MAX_SLOT)
+ return -ENOSPC;
+
+ reg_address = ADIN1140_MAC_ADDR_FILT_UPR_REG + 2 * slot;
+
+ ret = oa_tc6_write_register_mms(priv->tc6, OA_TC6_MAC_MMS1,
+ reg_address,
+ get_unaligned_be16(&addr[0]) |
+ ADIN1140_MAC_ADDR_FILT_APPLY2PORT1 |
+ ADIN1140_MAC_ADDR_FILT_TO_HOST);
+ if (ret)
+ return ret;
+
+ reg_address = ADIN1140_MAC_ADDR_FILT_LWR_REG + 2 * slot;
+ ret = oa_tc6_write_register_mms(priv->tc6, OA_TC6_MAC_MMS1,
+ reg_address,
+ get_unaligned_be32(&addr[2]));
+ if (ret)
+ return ret;
+
+ /* Only the first 2 destination MAC filter slots support masking.
+ * For the other entries, the destination address in the received
+ * frame must match exactly.
+ */
+ if (slot >= ADIN1140_MAC_FILT_MASK_LIMIT)
+ return 0;
+
+ val = get_unaligned_be16(&mask[0]);
+ reg_address = ADIN1140_MAC_ADDR_MASK_UPR_REG + (2 * slot);
+
+ ret = oa_tc6_write_register_mms(priv->tc6, OA_TC6_MAC_MMS1,
+ reg_address, val);
+ if (ret)
+ return ret;
+
+ val = get_unaligned_be32(&mask[2]);
+ reg_address = ADIN1140_MAC_ADDR_MASK_LWR_REG + (2 * slot);
+
+ return oa_tc6_write_register_mms(priv->tc6, OA_TC6_MAC_MMS1,
+ reg_address, val);
+}
+
+static int adin1140_mac_filter_clear(struct adin1140_priv *priv, u8 slot)
+{
+ u8 mask[ETH_ALEN];
+ u8 addr[ETH_ALEN];
+
+ memset(mask, 0xFF, ETH_ALEN);
+ memset(addr, 0x0, ETH_ALEN);
+
+ return adin1140_mac_filter_set(priv, addr, mask, slot);
+}
+
+static int adin1140_filter_unicast(struct adin1140_priv *priv)
+{
+ /* Only the first 2 filter slots support masking, so no unicast
+ * address will ever need a mask. The first slots are used for the
+ * all multicast and broadcast filter.
+ */
+ return adin1140_mac_filter_set(priv, priv->netdev->dev_addr, NULL,
+ ADIN1140_MAC_FILT_UC_SLOT);
+}
+
+static int adin1140_filter_all_multicast(struct adin1140_priv *priv, bool en)
+{
+ u8 multicast_addr[ETH_ALEN] = {1, 0, 0, 0, 0, 0};
+
+ if (en)
+ return adin1140_mac_filter_set(priv, multicast_addr,
+ multicast_addr,
+ ADIN1140_MAC_FILT_MC_SLOT);
+
+ return adin1140_mac_filter_clear(priv, ADIN1140_MAC_FILT_MC_SLOT);
+}
+
+static int adin1140_filter_broadcast(struct adin1140_priv *priv, bool enabled)
+{
+ u8 mask[ETH_ALEN];
+
+ if (enabled) {
+ memset(mask, 0xFF, ETH_ALEN);
+ return adin1140_mac_filter_set(priv, mask, mask,
+ ADIN1140_MAC_FILT_BC_SLOT);
+ }
+
+ return adin1140_mac_filter_clear(priv, ADIN1140_MAC_FILT_BC_SLOT);
+}
+
+static int adin1140_default_filter_config(struct adin1140_priv *priv)
+{
+ int ret;
+
+ ret = adin1140_filter_broadcast(priv, true);
+ if (ret)
+ return ret;
+
+ return adin1140_filter_unicast(priv);
+}
+
+static int adin1140_promiscuous_mode(struct adin1140_priv *priv, bool enabled)
+{
+ int ret;
+ u32 val;
+
+ ret = oa_tc6_read_register(priv->tc6, OA_TC6_REG_CONFIG2, &val);
+ if (ret)
+ return ret;
+
+ if (enabled)
+ val |= ADIN1140_MAC_CONFIG2_FWD_UNK2HOST;
+ else
+ val &= ~ADIN1140_MAC_CONFIG2_FWD_UNK2HOST;
+
+ return oa_tc6_write_register(priv->tc6, OA_TC6_REG_CONFIG2, val);
+}
+
+static int adin1140_rx_mode(struct net_device *dev,
+ struct netdev_hw_addr_list *uc,
+ struct netdev_hw_addr_list *mc)
+{
+ struct adin1140_priv *priv = netdev_priv(dev);
+ struct netdev_hw_addr *ha;
+ bool all_multi, promisc;
+ u32 mac_addrs;
+ u8 slot, i;
+ int ret;
+
+ /* The ADIN1140 has 16 dest MAC address filter slots:
+ * 0 - reserved for all multicast filter.
+ * 1 - reserved for broadcast filter.
+ * 2 - reserved for the device's own unicast MAC.
+ * 3 -> 15 - available for other unicast/multicast filters.
+ */
+
+ mac_addrs = netdev_hw_addr_list_count(uc);
+ all_multi = false;
+ promisc = false;
+
+ if (priv->netdev->flags & IFF_PROMISC)
+ promisc = true;
+ else if (priv->netdev->flags & IFF_ALLMULTI)
+ all_multi = true;
+ else
+ mac_addrs += netdev_hw_addr_list_count(mc);
+
+ if (mac_addrs > ADIN1140_MAC_FILT_AVAIL) {
+ /* The filter table is full. Enable promisc mode. */
+ promisc = true;
+ }
+
+ ret = adin1140_promiscuous_mode(priv, promisc);
+ if (ret)
+ return ret;
+
+ ret = adin1140_filter_all_multicast(priv, all_multi);
+ if (ret)
+ return ret;
+
+ slot = ADIN1140_MAC_FILT_UC_SLOT + 1;
+ if (!promisc) {
+ netdev_hw_addr_list_for_each(ha, uc) {
+ ret = adin1140_mac_filter_set(priv, ha->addr, NULL,
+ slot);
+ if (ret)
+ return ret;
+
+ slot++;
+ }
+
+ if (!all_multi) {
+ netdev_hw_addr_list_for_each(ha, mc) {
+ ret = adin1140_mac_filter_set(priv, ha->addr,
+ NULL, slot);
+ if (ret)
+ return ret;
+
+ slot++;
+ }
+ }
+ }
+
+ for (i = slot; i < ADIN1140_MAC_FILT_MAX_SLOT; i++) {
+ ret = adin1140_mac_filter_clear(priv, i);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static void adin1140_stats_work(struct work_struct *work)
+{
+ struct delayed_work *dwork = to_delayed_work(work);
+ struct adin1140_priv *priv;
+ u32 reg_val;
+ int ret;
+ u32 i;
+
+ priv = container_of(dwork, struct adin1140_priv, stats_work);
+
+ for (i = 0; i < ARRAY_SIZE(adin1140_stat_regs); i++) {
+ ret = oa_tc6_read_register_mms(priv->tc6, OA_TC6_MAC_MMS1,
+ adin1140_stat_regs[i],
+ &reg_val);
+ if (ret)
+ goto out;
+
+ scoped_guard(spinlock, &priv->stat_lock)
+ priv->stats[i] += reg_val;
+ }
+
+out:
+ schedule_delayed_work(dwork, ADIN1140_STATS_CHECK_DELAY);
+}
+
+static int adin1140_configure(struct adin1140_priv *priv)
+{
+ u32 reg_val;
+ int ret;
+
+ ret = oa_tc6_zero_align_receive_frame_enable(priv->tc6);
+ if (ret)
+ return ret;
+
+ /* Disable MAC loopback */
+ ret = oa_tc6_write_register_mms(priv->tc6, OA_TC6_MAC_MMS1,
+ ADIN1140_MAC_P1_LOOP_ADDR_REG, 0x0);
+ if (ret)
+ return ret;
+
+ ret = oa_tc6_read_register(priv->tc6, OA_TC6_REG_CONFIG2, &reg_val);
+ if (ret)
+ return ret;
+
+ reg_val |= ADIN1140_MAC_CONFIG2_STAT_CLR_RD;
+
+ ret = oa_tc6_write_register(priv->tc6, OA_TC6_REG_CONFIG2, reg_val);
+ if (ret)
+ return ret;
+
+ return adin1140_default_filter_config(priv);
+}
+
+static int adin1140_open(struct net_device *netdev)
+{
+ struct adin1140_priv *priv = netdev_priv(netdev);
+
+ schedule_delayed_work(&priv->stats_work, ADIN1140_STATS_CHECK_DELAY);
+
+ phy_start(netdev->phydev);
+ netif_start_queue(netdev);
+
+ return 0;
+}
+
+static int adin1140_close(struct net_device *netdev)
+{
+ struct adin1140_priv *priv = netdev_priv(netdev);
+
+ cancel_delayed_work_sync(&priv->stats_work);
+
+ netif_stop_queue(netdev);
+ phy_stop(netdev->phydev);
+
+ return 0;
+}
+
+static netdev_tx_t adin1140_start_xmit(struct sk_buff *skb,
+ struct net_device *netdev)
+{
+ struct adin1140_priv *priv = netdev_priv(netdev);
+
+ /* The MAC doesn't automatically pad the frame to a 60 byte minimum
+ * size in case the host sends a shorter skb, so we have to do it in
+ * the driver. The FCS will be added by the MAC.
+ */
+ if (skb_put_padto(skb, ETH_ZLEN))
+ return NETDEV_TX_OK;
+
+ return oa_tc6_start_xmit(priv->tc6, skb);
+}
+
+static int adin1140_set_mac_address(struct net_device *netdev, void *addr)
+{
+ struct adin1140_priv *priv = netdev_priv(netdev);
+ struct sockaddr *address = addr;
+ u8 mask[ETH_ALEN];
+ int ret;
+
+ ret = eth_prepare_mac_addr_change(netdev, addr);
+ if (ret < 0)
+ return ret;
+
+ if (ether_addr_equal(address->sa_data, netdev->dev_addr))
+ return 0;
+
+ memset(mask, 0xFF, ETH_ALEN);
+ ret = adin1140_mac_filter_set(priv, address->sa_data, mask,
+ ADIN1140_MAC_FILT_UC_SLOT);
+ if (ret)
+ return ret;
+
+ eth_commit_mac_addr_change(netdev, addr);
+
+ return 0;
+}
+
+static void __adin1140_ndo_get_stats64(struct adin1140_priv *priv,
+ struct rtnl_link_stats64 *storage)
+{
+ storage->rx_errors = priv->stats[rx_crc_errors] +
+ priv->stats[rx_align_errors] +
+ priv->stats[rx_preamble_errors] +
+ priv->stats[rx_short_frame_errors] +
+ priv->stats[rx_long_frame_errors] +
+ priv->stats[rx_phy_errors] +
+ priv->stats[rx_ifg_errors];
+
+ storage->tx_errors = priv->stats[tx_excess_collision] +
+ priv->stats[tx_underrun];
+
+ storage->rx_dropped = priv->stats[rx_fifo_full_dropped] +
+ priv->stats[rx_addr_filter_dropped];
+
+ storage->multicast = priv->stats[rx_mc_frames];
+
+ storage->collisions = priv->stats[tx_single_collision] +
+ priv->stats[tx_multi_collision];
+
+ storage->rx_length_errors = priv->stats[rx_short_frame_errors] +
+ priv->stats[rx_long_frame_errors];
+ storage->rx_over_errors = priv->stats[rx_fifo_full_dropped];
+ storage->rx_crc_errors = priv->stats[rx_crc_errors];
+ storage->rx_frame_errors = priv->stats[rx_align_errors];
+ storage->rx_missed_errors = priv->stats[rx_fifo_full_dropped];
+
+ storage->tx_aborted_errors = priv->stats[tx_excess_collision];
+ storage->tx_fifo_errors = priv->stats[tx_underrun];
+ storage->tx_window_errors = priv->stats[tx_late_collision];
+}
+
+static void adin1140_ndo_get_stats64(struct net_device *dev,
+ struct rtnl_link_stats64 *storage)
+{
+ struct adin1140_priv *priv = netdev_priv(dev);
+
+ storage->rx_packets = priv->netdev->stats.rx_packets;
+ storage->tx_packets = priv->netdev->stats.tx_packets;
+
+ storage->rx_bytes = priv->netdev->stats.rx_bytes;
+ storage->tx_bytes = priv->netdev->stats.tx_bytes;
+
+ scoped_guard(spinlock, &priv->stat_lock)
+ __adin1140_ndo_get_stats64(priv, storage);
+}
+
+static void adin1140_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *info)
+{
+ strscpy(info->driver, "ADIN1140", sizeof(info->driver));
+ strscpy(info->bus_info, dev_name(netdev->dev.parent),
+ sizeof(info->bus_info));
+}
+
+static void adin1140_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct adin1140_priv *priv = netdev_priv(netdev);
+ u32 i;
+
+ scoped_guard(spinlock, &priv->stat_lock) {
+ for (i = 0; i < ARRAY_SIZE(adin1140_stats); i++)
+ data[i] = priv->stats[adin1140_stats[i].idx];
+ }
+}
+
+static void adin1140_get_ethtool_strings(struct net_device *netdev, u32 sset,
+ u8 *p)
+{
+ u32 i;
+
+ switch (sset) {
+ case ETH_SS_STATS:
+ for (i = 0; i < ARRAY_SIZE(adin1140_stats); i++)
+ ethtool_puts(&p, adin1140_stats[i].name);
+
+ break;
+ }
+}
+
+static int adin1140_get_sset_count(struct net_device *netdev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(adin1140_stats);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void __adin1140_eth_mac_stats(struct adin1140_priv *priv,
+ struct ethtool_eth_mac_stats *mac_stats)
+{
+ mac_stats->FramesReceivedOK = priv->stats[rx_frames];
+ mac_stats->BroadcastFramesReceivedOK = priv->stats[rx_bc_frames];
+ mac_stats->MulticastFramesReceivedOK = priv->stats[rx_mc_frames];
+ mac_stats->FrameCheckSequenceErrors = priv->stats[rx_crc_errors];
+ mac_stats->AlignmentErrors = priv->stats[rx_align_errors];
+ mac_stats->FrameTooLongErrors = priv->stats[rx_long_frame_errors];
+ mac_stats->FramesLostDueToIntMACRcvError =
+ priv->stats[rx_fifo_full_dropped];
+ mac_stats->FramesTransmittedOK = priv->stats[tx_frames];
+ mac_stats->BroadcastFramesXmittedOK = priv->stats[tx_bc_frames];
+ mac_stats->MulticastFramesXmittedOK = priv->stats[tx_mc_frames];
+ mac_stats->SingleCollisionFrames = priv->stats[tx_single_collision];
+ mac_stats->MultipleCollisionFrames = priv->stats[tx_multi_collision];
+ mac_stats->FramesWithDeferredXmissions = priv->stats[tx_deferred];
+ mac_stats->LateCollisions = priv->stats[tx_late_collision];
+ mac_stats->FramesAbortedDueToXSColls =
+ priv->stats[tx_excess_collision];
+ mac_stats->FramesLostDueToIntMACXmitError = priv->stats[tx_underrun];
+}
+
+static void adin1140_get_eth_mac_stats(struct net_device *netdev,
+ struct ethtool_eth_mac_stats *mac_stats)
+{
+ struct adin1140_priv *priv = netdev_priv(netdev);
+
+ scoped_guard(spinlock, &priv->stat_lock)
+ __adin1140_eth_mac_stats(priv, mac_stats);
+}
+
+static int adin1140_mdiobus_read(struct mii_bus *bus, int addr, int regnum)
+{
+ /* The ADIN1140's standard PHY C22 register map (OA TC6 0xFF00 -
+ * 0xFF1F), of which only 0xFF00 - 0xFF03 are implemented) cannot be
+ * accessed while frames are being received by the PHY. In case this
+ * happens the CONFIG0 and CONFIG2 register values will get corrupted,
+ * getting a random value. Both reads and writes cause the same
+ * behavior. This is a workaround that avoids MDIO accesses all
+ * together. Since this is a 10BASE-T1S PHY, only the loopback and
+ * reset (AN) bits in the control register (0x0) can be written.
+ * These functionalities have custom implementations in the PHY
+ * driver. C45 accesses do not cause this issue.
+ */
+
+ switch (regnum) {
+ case MII_BMCR:
+ return ADIN1140_PHY_CTRL_DEFAULT;
+ case MII_BMSR:
+ return ADIN1140_PHY_STATUS_DEFAULT;
+ case MII_PHYSID1:
+ return ADIN1140_PHY_ID1;
+ case MII_PHYSID2:
+ return ADIN1140_PHY_ID2;
+ default:
+ return 0xFFFF;
+ }
+}
+
+static int adin1140_mdiobus_write(struct mii_bus *bus, int addr, int regnum,
+ u16 val)
+{
+ return -EIO;
+}
+
+static int adin1140_mdio_register(struct adin1140_priv *priv,
+ struct spi_device *spidev)
+{
+ priv->mdiobus = devm_mdiobus_alloc(&spidev->dev);
+ if (!priv->mdiobus)
+ return dev_err_probe(&spidev->dev, -ENOMEM,
+ "MDIO bus alloc failed\n");
+
+ priv->mdiobus->name = "adin1140-mdiobus";
+ priv->mdiobus->priv = priv->tc6;
+ priv->mdiobus->parent = &spidev->dev;
+ priv->mdiobus->phy_mask = GENMASK(31, 1);
+ priv->mdiobus->read = adin1140_mdiobus_read;
+ priv->mdiobus->write = adin1140_mdiobus_write;
+ priv->mdiobus->read_c45 = oa_tc6_mdiobus_read_c45;
+ priv->mdiobus->write_c45 = oa_tc6_mdiobus_write_c45;
+
+ snprintf(priv->mdiobus->id, MII_BUS_ID_SIZE, "adin1140-%s.%u",
+ dev_name(&spidev->dev), spi_get_chipselect(spidev, 0));
+
+ return devm_mdiobus_register(&spidev->dev, priv->mdiobus);
+}
+
+static void adin1140_handle_link_change(struct net_device *netdev)
+{
+ phy_print_status(netdev->phydev);
+}
+
+static void adin1140_phy_remove(void *data)
+{
+ phy_disconnect(data);
+}
+
+static int adin1140_phy_init(struct adin1140_priv *priv,
+ struct spi_device *spidev)
+{
+ int ret;
+
+ ret = adin1140_mdio_register(priv, spidev);
+ if (ret)
+ return ret;
+
+ priv->phydev = phy_find_first(priv->mdiobus);
+ if (!priv->phydev)
+ return dev_err_probe(&spidev->dev, -ENODEV, "No PHY found\n");
+
+ priv->phydev->is_internal = true;
+ ret = phy_connect_direct(priv->netdev, priv->phydev,
+ &adin1140_handle_link_change,
+ PHY_INTERFACE_MODE_INTERNAL);
+ if (ret)
+ return dev_err_probe(&spidev->dev, ret,
+ "Can't attach PHY to %s\n",
+ priv->mdiobus->id);
+
+ ret = devm_add_action_or_reset(&spidev->dev, adin1140_phy_remove,
+ priv->phydev);
+ if (ret)
+ return ret;
+
+ phy_attached_info(priv->phydev);
+
+ return 0;
+}
+
+static const struct ethtool_ops adin1140_ethtool_ops = {
+ .get_drvinfo = adin1140_get_drvinfo,
+ .get_link = ethtool_op_get_link,
+ .get_ethtool_stats = adin1140_get_ethtool_stats,
+ .get_sset_count = adin1140_get_sset_count,
+ .get_strings = adin1140_get_ethtool_strings,
+ .get_link_ksettings = phy_ethtool_get_link_ksettings,
+ .set_link_ksettings = phy_ethtool_set_link_ksettings,
+ .get_eth_mac_stats = adin1140_get_eth_mac_stats,
+};
+
+static const struct net_device_ops adin1140_netdev_ops = {
+ .ndo_open = adin1140_open,
+ .ndo_stop = adin1140_close,
+ .ndo_start_xmit = adin1140_start_xmit,
+ .ndo_set_mac_address = adin1140_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_rx_mode_async = adin1140_rx_mode,
+ .ndo_eth_ioctl = phy_do_ioctl_running,
+ .ndo_get_stats64 = adin1140_ndo_get_stats64,
+};
+
+static void adin1140_oa_tc6_remove(void *data)
+{
+ oa_tc6_exit(data);
+}
+
+static int adin1140_probe(struct spi_device *spi)
+{
+ struct oa_tc6_quirks tc6_quirks = {};
+ struct net_device *netdev;
+ struct adin1140_priv *priv;
+ int ret;
+
+ netdev = devm_alloc_etherdev(&spi->dev, sizeof(struct adin1140_priv));
+ if (!netdev)
+ return -ENOMEM;
+
+ priv = netdev_priv(netdev);
+ priv->netdev = netdev;
+ spi_set_drvdata(spi, priv);
+ spin_lock_init(&priv->stat_lock);
+
+ tc6_quirks.quirk_flags = OA_TC6_BROKEN_PHY;
+
+ priv->tc6 = oa_tc6_init(spi, netdev, &tc6_quirks);
+ if (!priv->tc6)
+ return -ENODEV;
+
+ ret = devm_add_action_or_reset(&spi->dev, adin1140_oa_tc6_remove,
+ priv->tc6);
+ if (ret)
+ return ret;
+
+ ret = adin1140_phy_init(priv, spi);
+ if (ret)
+ return ret;
+
+ if (device_get_ethdev_address(&spi->dev, netdev))
+ eth_hw_addr_random(netdev);
+
+ ret = adin1140_configure(priv);
+ if (ret)
+ return ret;
+
+ INIT_DELAYED_WORK(&priv->stats_work, adin1140_stats_work);
+
+ netdev->if_port = IF_PORT_10BASET;
+ netdev->irq = spi->irq;
+ netdev->netdev_ops = &adin1140_netdev_ops;
+ netdev->ethtool_ops = &adin1140_ethtool_ops;
+ netdev->netns_immutable = true;
+ netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE |
+ IFF_UNICAST_FLT;
+
+ ret = devm_register_netdev(&spi->dev, netdev);
+ if (ret)
+ return dev_err_probe(&spi->dev, ret,
+ "Failed to register netdev");
+
+ return 0;
+}
+
+static const struct spi_device_id adin1140_spi_id[] = {
+ { .name = "ad3306" },
+ { .name = "adin1140" },
+ {},
+};
+MODULE_DEVICE_TABLE(spi, adin1140_spi_id);
+
+static const struct of_device_id adin1140_match_table[] = {
+ { .compatible = "adi,ad3306" },
+ { .compatible = "adi,adin1140" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, adin1140_match_table);
+
+static struct spi_driver adin1140_driver = {
+ .driver = {
+ .name = "adin1140",
+ .of_match_table = adin1140_match_table,
+ },
+ .probe = adin1140_probe,
+ .id_table = adin1140_spi_id,
+};
+module_spi_driver(adin1140_driver);
+
+MODULE_DESCRIPTION("Analog Devices, Inc. ADIN1140 10BASE-T1S MAC-PHY");
+MODULE_AUTHOR("Ciprian Regus <ciprian.regus@analog.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c
index f6396925722d..e4c3644dd6ec 100644
--- a/drivers/net/ethernet/airoha/airoha_ppe.c
+++ b/drivers/net/ethernet/airoha/airoha_ppe.c
@@ -331,7 +331,7 @@ static int airoha_ppe_foe_entry_prepare(struct airoha_eth *eth,
struct airoha_foe_entry *hwe,
struct net_device *netdev, int type,
struct airoha_flow_data *data,
- int l4proto)
+ int l4proto, u8 priority)
{
u32 qdata = FIELD_PREP(AIROHA_FOE_SHAPER_ID, 0x7f), ports_pad, val;
int wlan_etype = -EINVAL, dsa_port = airoha_get_dsa_port(&netdev);
@@ -386,7 +386,9 @@ static int airoha_ppe_foe_entry_prepare(struct airoha_eth *eth,
*/
channel = dsa_port >= 0 ? dsa_port : port->id;
channel = channel % AIROHA_NUM_QOS_CHANNELS;
- qdata |= FIELD_PREP(AIROHA_FOE_CHANNEL, channel);
+ priority = priority % AIROHA_NUM_QOS_QUEUES;
+ qdata |= FIELD_PREP(AIROHA_FOE_CHANNEL, channel) |
+ FIELD_PREP(AIROHA_FOE_QID, priority);
val |= FIELD_PREP(AIROHA_FOE_IB2_PSE_PORT, pse_port) |
AIROHA_FOE_IB2_PSE_QOS;
@@ -1079,10 +1081,10 @@ static int airoha_ppe_flow_offload_replace(struct airoha_eth *eth,
struct airoha_flow_data data = {};
struct net_device *odev = NULL;
struct flow_action_entry *act;
+ u8 l4proto = 0, priority = 0;
struct airoha_foe_entry hwe;
int err, i, offload_type;
u16 addr_type = 0;
- u8 l4proto = 0;
if (rhashtable_lookup(&eth->flow_table, &f->cookie,
airoha_flow_table_params))
@@ -1177,7 +1179,7 @@ static int airoha_ppe_flow_offload_replace(struct airoha_eth *eth,
return -EINVAL;
err = airoha_ppe_foe_entry_prepare(eth, &hwe, odev, offload_type,
- &data, l4proto);
+ &data, l4proto, priority);
if (err)
return err;
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
index fc7341a5cbb7..42174249ef61 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -15,7 +15,7 @@
#include <linux/clk.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/mii.h>
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 3b2951030a38..507db46daf2b 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -7,7 +7,7 @@
* Keyur Chudgar <kchudgar@apm.com>
*/
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include "xgene_enet_main.h"
#include "xgene_enet_hw.h"
#include "xgene_enet_sgmac.h"
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 5b2640bd31c3..5a9742fd3ddf 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -4742,13 +4742,13 @@ int bnx2x_alloc_mem_bp(struct bnx2x *bp)
/* fp array: RSS plus CNIC related L2 queues */
fp_array_size = BNX2X_MAX_RSS_COUNT(bp) + CNIC_SUPPORT(bp);
- bp->fp_array_size = fp_array_size;
- BNX2X_DEV_INFO("fp_array_size %d\n", bp->fp_array_size);
-
- fp = kzalloc_objs(*fp, bp->fp_array_size);
+ BNX2X_DEV_INFO("fp_array_size %d\n", fp_array_size);
+ fp = kzalloc_objs(*fp, fp_array_size);
if (!fp)
goto alloc_err;
bp->fp = fp;
+ bp->fp_array_size = fp_array_size;
+
for (i = 0; i < bp->fp_array_size; i++) {
fp[i].tpa_info =
kzalloc_objs(struct bnx2x_agg_info,
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 07a908a2c72f..d560524d317d 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -26,6 +26,7 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/crc32c.h>
+#include <linux/slab.h>
#include "bnx2x.h"
#include "bnx2x_cmn.h"
#include "bnx2x_sp.h"
@@ -2664,7 +2665,7 @@ static void bnx2x_free_groups(struct list_head *mcast_group_list)
struct bnx2x_mcast_elem_group,
mcast_group_link);
list_del(&current_mcast_group->mcast_group_link);
- free_page((unsigned long)current_mcast_group);
+ kfree(current_mcast_group);
}
}
@@ -2713,8 +2714,7 @@ static int bnx2x_mcast_enqueue_cmd(struct bnx2x *bp,
total_elems = BNX2X_MCAST_BINS_NUM;
}
while (total_elems > 0) {
- elem_group = (struct bnx2x_mcast_elem_group *)
- __get_free_page(GFP_ATOMIC | __GFP_ZERO);
+ elem_group = kzalloc(PAGE_SIZE, GFP_ATOMIC);
if (!elem_group) {
bnx2x_free_groups(&new_cmd->group_head);
kfree(new_cmd);
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index 8e19add764db..8b75004ba7c9 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -3006,7 +3006,6 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
txqent->hdr.wi.reserved = 0;
txqent->hdr.wi.num_vectors = vectors;
- head_unmap->skb = skb;
head_unmap->nvecs = 0;
/* Program the vectors */
@@ -3018,6 +3017,7 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
BNAD_UPDATE_CTR(bnad, tx_skb_map_failed);
return NETDEV_TX_OK;
}
+ head_unmap->skb = skb;
BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[0].host_addr);
txqent->vector[0].length = htons(len);
dma_unmap_addr_set(&unmap->vectors[0], dma_addr, dma_addr);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 6871127427fa..29d7b786e51e 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -33,6 +33,7 @@
*/
#include <linux/delay.h>
+#include <linux/string_choices.h>
#include "cxgb4.h"
#include "t4_regs.h"
#include "t4_values.h"
@@ -4867,7 +4868,7 @@ static void mem_intr_handler(struct adapter *adapter, int idx)
if (printk_ratelimit())
dev_warn(adapter->pdev_dev,
"%u %s correctable ECC data error%s\n",
- cnt, name[idx], cnt > 1 ? "s" : "");
+ cnt, name[idx], str_plural(cnt));
}
if (v & ECC_UE_INT_CAUSE_F)
dev_alert(adapter->pdev_dev,
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
index dd4f60031d0c..33e7a99d3e49 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
@@ -25,6 +25,9 @@
#define DEFAULT_VLAN_ID 1
+static struct notifier_block dpaa2_switch_port_switchdev_nb;
+static struct notifier_block dpaa2_switch_port_switchdev_blocking_nb;
+
static u16 dpaa2_switch_port_get_fdb_id(struct ethsw_port_priv *port_priv)
{
return port_priv->fdb->fdb_id;
@@ -51,6 +54,17 @@ dpaa2_switch_filter_block_get_unused(struct ethsw_core *ethsw)
return NULL;
}
+static struct dpaa2_switch_lag *
+dpaa2_switch_lag_get_unused(struct ethsw_core *ethsw)
+{
+ int i;
+
+ for (i = 0; i < ethsw->sw_attr.num_ifs; i++)
+ if (!ethsw->lags[i].in_use)
+ return &ethsw->lags[i];
+ return NULL;
+}
+
static bool dpaa2_switch_fdb_in_use_by_others(struct ethsw_core *ethsw,
struct dpaa2_switch_fdb *fdb,
struct ethsw_port_priv *except)
@@ -71,9 +85,9 @@ static struct dpaa2_switch_fdb *
dpaa2_switch_fdb_for_join(struct ethsw_port_priv *port_priv,
struct net_device *upper_dev)
{
- struct ethsw_port_priv *other_port_priv;
- struct net_device *other_dev;
- struct list_head *iter;
+ struct ethsw_port_priv *other_port_priv = NULL;
+ struct net_device *other_dev, *other_dev2;
+ struct list_head *iter, *iter2;
/* The below call to netdev_for_each_lower_dev() demands the RTNL lock
* being held. Assert on it so that it's easier to catch new code
@@ -82,17 +96,32 @@ dpaa2_switch_fdb_for_join(struct ethsw_port_priv *port_priv,
ASSERT_RTNL();
/* If part of a bridge, use the FDB of the first dpaa2 switch interface
- * to be present in that bridge
+ * to be present in that bridge. The search descends one level through
+ * a bridged bond's lowers as well.
*/
netdev_for_each_lower_dev(upper_dev, other_dev, iter) {
- if (!dpaa2_switch_port_dev_check(other_dev))
- continue;
+ if (netif_is_lag_master(other_dev)) {
+ netdev_for_each_lower_dev(other_dev, other_dev2, iter2) {
+ if (!dpaa2_switch_port_dev_check(other_dev2))
+ continue;
- if (other_dev == port_priv->netdev)
- continue;
+ if (other_dev2 == port_priv->netdev)
+ continue;
- other_port_priv = netdev_priv(other_dev);
- return other_port_priv->fdb;
+ other_port_priv = netdev_priv(other_dev2);
+ break;
+ }
+ } else {
+ if (!dpaa2_switch_port_dev_check(other_dev))
+ continue;
+
+ if (other_dev == port_priv->netdev)
+ continue;
+
+ other_port_priv = netdev_priv(other_dev);
+ }
+ if (other_port_priv)
+ return other_port_priv->fdb;
}
return port_priv->fdb;
@@ -537,6 +566,103 @@ static int dpaa2_switch_port_fdb_del_mc(struct ethsw_port_priv *port_priv,
return err;
}
+static int dpaa2_switch_port_fdb_add(struct ethsw_port_priv *port_priv,
+ const unsigned char *addr)
+{
+ int err;
+
+ if (is_unicast_ether_addr(addr))
+ err = dpaa2_switch_port_fdb_add_uc(port_priv, addr);
+ else
+ err = dpaa2_switch_port_fdb_add_mc(port_priv, addr);
+
+ return err;
+}
+
+static int dpaa2_switch_port_fdb_del(struct ethsw_port_priv *port_priv,
+ const unsigned char *addr)
+{
+ if (is_unicast_ether_addr(addr))
+ return dpaa2_switch_port_fdb_del_uc(port_priv, addr);
+ else
+ return dpaa2_switch_port_fdb_del_mc(port_priv, addr);
+}
+
+static struct dpaa2_mac_addr *
+dpaa2_switch_mac_addr_find(struct list_head *addr_list,
+ const unsigned char *addr, u16 vid)
+{
+ struct dpaa2_mac_addr *a;
+
+ list_for_each_entry(a, addr_list, list)
+ if (ether_addr_equal(a->addr, addr) && a->vid == vid)
+ return a;
+
+ return NULL;
+}
+
+static int dpaa2_switch_lag_fdb_add(struct dpaa2_switch_lag *lag,
+ const unsigned char *addr, u16 vid)
+{
+ struct ethsw_port_priv *port_priv = lag->primary;
+ struct dpaa2_mac_addr *a;
+ int err = 0;
+
+ mutex_lock(&lag->fdb_lock);
+
+ a = dpaa2_switch_mac_addr_find(&lag->fdbs, addr, vid);
+ if (a) {
+ refcount_inc(&a->refcount);
+ goto out;
+ }
+
+ a = kzalloc(sizeof(*a), GFP_KERNEL);
+ if (!a) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ err = dpaa2_switch_port_fdb_add(port_priv, addr);
+ if (err) {
+ kfree(a);
+ goto out;
+ }
+
+ ether_addr_copy(a->addr, addr);
+ a->vid = vid;
+ refcount_set(&a->refcount, 1);
+ list_add_tail(&a->list, &lag->fdbs);
+
+out:
+ mutex_unlock(&lag->fdb_lock);
+
+ return err;
+}
+
+static void dpaa2_switch_lag_fdb_del(struct dpaa2_switch_lag *lag,
+ const unsigned char *addr, u16 vid)
+{
+ struct ethsw_port_priv *port_priv = lag->primary;
+ struct dpaa2_mac_addr *a;
+
+ mutex_lock(&lag->fdb_lock);
+
+ a = dpaa2_switch_mac_addr_find(&lag->fdbs, addr, vid);
+ if (!a)
+ goto out;
+
+ if (!refcount_dec_and_test(&a->refcount))
+ goto out;
+
+ list_del(&a->list);
+ kfree(a);
+
+ dpaa2_switch_port_fdb_del(port_priv, addr);
+
+out:
+ mutex_unlock(&lag->fdb_lock);
+}
+
static void dpaa2_switch_port_get_stats(struct net_device *netdev,
struct rtnl_link_stats64 *stats)
{
@@ -1485,6 +1611,33 @@ bool dpaa2_switch_port_dev_check(const struct net_device *netdev)
return netdev->netdev_ops == &dpaa2_switch_port_ops;
}
+static bool dpaa2_switch_foreign_dev_check(const struct net_device *dev,
+ const struct net_device *foreign_dev)
+{
+ struct ethsw_port_priv *port_priv = netdev_priv(dev);
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct ethsw_port_priv *other_port;
+ int i;
+
+ if (netif_is_bridge_master(foreign_dev))
+ if (port_priv->fdb->bridge_dev == foreign_dev)
+ return false;
+
+ if (netif_is_bridge_port(foreign_dev)) {
+ for (i = 0; i < ethsw->sw_attr.num_ifs; i++) {
+ other_port = ethsw->ports[i];
+
+ if (!other_port)
+ continue;
+ if (dpaa2_switch_port_offloads_bridge_port(other_port,
+ foreign_dev))
+ return false;
+ }
+ }
+
+ return true;
+}
+
static int dpaa2_switch_port_connect_mac(struct ethsw_port_priv *port_priv)
{
struct fsl_mc_device *dpsw_port_dev, *dpmac_dev;
@@ -1861,51 +2014,32 @@ int dpaa2_switch_port_vlans_add(struct net_device *netdev,
vlan->changed);
}
-static int dpaa2_switch_port_lookup_address(struct net_device *netdev, int is_uc,
- const unsigned char *addr)
-{
- struct netdev_hw_addr_list *list = (is_uc) ? &netdev->uc : &netdev->mc;
- struct netdev_hw_addr *ha;
-
- netif_addr_lock_bh(netdev);
- list_for_each_entry(ha, &list->list, list) {
- if (ether_addr_equal(ha->addr, addr)) {
- netif_addr_unlock_bh(netdev);
- return 1;
- }
- }
- netif_addr_unlock_bh(netdev);
- return 0;
-}
-
static int dpaa2_switch_port_mdb_add(struct net_device *netdev,
const struct switchdev_obj_port_mdb *mdb)
{
struct ethsw_port_priv *port_priv = netdev_priv(netdev);
- int err;
+ struct dpaa2_switch_lag *lag;
- /* Check if address is already set on this port */
- if (dpaa2_switch_port_lookup_address(netdev, 0, mdb->addr))
- return -EEXIST;
-
- err = dpaa2_switch_port_fdb_add_mc(port_priv, mdb->addr);
- if (err)
- return err;
-
- err = dev_mc_add(netdev, mdb->addr);
- if (err) {
- netdev_err(netdev, "dev_mc_add err %d\n", err);
- dpaa2_switch_port_fdb_del_mc(port_priv, mdb->addr);
- }
-
- return err;
+ lag = rtnl_dereference(port_priv->lag);
+ if (lag)
+ return dpaa2_switch_lag_fdb_add(lag, mdb->addr, mdb->vid);
+ else
+ return dpaa2_switch_port_fdb_add(port_priv, mdb->addr);
}
-static int dpaa2_switch_port_obj_add(struct net_device *netdev,
- const struct switchdev_obj *obj)
+static int dpaa2_switch_port_obj_add(struct net_device *netdev, const void *ctx,
+ const struct switchdev_obj *obj,
+ struct netlink_ext_ack *extack)
{
+ struct ethsw_port_priv *port_priv = netdev_priv(netdev);
int err;
+ if (ctx && ctx != port_priv)
+ return 0;
+
+ if (!dpaa2_switch_port_offloads_bridge_port(port_priv, obj->orig_dev))
+ return -EOPNOTSUPP;
+
switch (obj->id) {
case SWITCHDEV_OBJ_ID_PORT_VLAN:
err = dpaa2_switch_port_vlans_add(netdev,
@@ -2001,29 +2135,29 @@ static int dpaa2_switch_port_mdb_del(struct net_device *netdev,
const struct switchdev_obj_port_mdb *mdb)
{
struct ethsw_port_priv *port_priv = netdev_priv(netdev);
- int err;
-
- if (!dpaa2_switch_port_lookup_address(netdev, 0, mdb->addr))
- return -ENOENT;
-
- err = dpaa2_switch_port_fdb_del_mc(port_priv, mdb->addr);
- if (err)
- return err;
+ struct dpaa2_switch_lag *lag;
- err = dev_mc_del(netdev, mdb->addr);
- if (err) {
- netdev_err(netdev, "dev_mc_del err %d\n", err);
- return err;
- }
+ lag = rtnl_dereference(port_priv->lag);
+ if (lag)
+ dpaa2_switch_lag_fdb_del(lag, mdb->addr, mdb->vid);
+ else
+ dpaa2_switch_port_fdb_del(port_priv, mdb->addr);
- return err;
+ return 0;
}
-static int dpaa2_switch_port_obj_del(struct net_device *netdev,
+static int dpaa2_switch_port_obj_del(struct net_device *netdev, const void *ctx,
const struct switchdev_obj *obj)
{
+ struct ethsw_port_priv *port_priv = netdev_priv(netdev);
int err;
+ if (ctx && ctx != port_priv)
+ return 0;
+
+ if (!dpaa2_switch_port_offloads_bridge_port(port_priv, obj->orig_dev))
+ return -EOPNOTSUPP;
+
switch (obj->id) {
case SWITCHDEV_OBJ_ID_PORT_VLAN:
err = dpaa2_switch_port_vlans_del(netdev, SWITCHDEV_OBJ_PORT_VLAN(obj));
@@ -2049,6 +2183,21 @@ static int dpaa2_switch_port_attr_set_event(struct net_device *netdev,
return notifier_from_errno(err);
}
+static struct net_device *
+dpaa2_switch_port_to_bridge_port(struct ethsw_port_priv *port_priv)
+{
+ struct dpaa2_switch_lag *lag;
+
+ if (!port_priv->fdb->bridge_dev)
+ return NULL;
+
+ lag = rtnl_dereference(port_priv->lag);
+ if (lag)
+ return lag->bond_dev;
+
+ return port_priv->netdev;
+}
+
static int dpaa2_switch_port_bridge_join(struct net_device *netdev,
struct net_device *upper_dev,
struct netlink_ext_ack *extack)
@@ -2056,6 +2205,7 @@ static int dpaa2_switch_port_bridge_join(struct net_device *netdev,
struct ethsw_port_priv *port_priv = netdev_priv(netdev);
struct dpaa2_switch_fdb *old_fdb = port_priv->fdb;
struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct net_device *brport_dev;
bool learn_ena;
int err;
@@ -2067,7 +2217,8 @@ static int dpaa2_switch_port_bridge_join(struct net_device *netdev,
dpaa2_switch_port_set_fdb(port_priv, upper_dev, true);
/* Inherit the initial bridge port learning state */
- learn_ena = br_port_flag_is_set(netdev, BR_LEARNING);
+ brport_dev = dpaa2_switch_port_to_bridge_port(port_priv);
+ learn_ena = br_port_flag_is_set(brport_dev, BR_LEARNING);
err = dpaa2_switch_port_set_learning(port_priv, learn_ena);
port_priv->learn_ena = learn_ena;
@@ -2081,8 +2232,11 @@ static int dpaa2_switch_port_bridge_join(struct net_device *netdev,
if (err)
goto err_egress_flood;
- err = switchdev_bridge_port_offload(netdev, netdev, NULL,
- NULL, NULL, false, extack);
+ brport_dev = dpaa2_switch_port_to_bridge_port(port_priv);
+ err = switchdev_bridge_port_offload(brport_dev, netdev, port_priv,
+ &dpaa2_switch_port_switchdev_nb,
+ &dpaa2_switch_port_switchdev_blocking_nb,
+ false, extack);
if (err)
goto err_switchdev_offload;
@@ -2116,7 +2270,22 @@ static int dpaa2_switch_port_restore_rxvlan(struct net_device *vdev, int vid, vo
static void dpaa2_switch_port_pre_bridge_leave(struct net_device *netdev)
{
- switchdev_bridge_port_unoffload(netdev, NULL, NULL, NULL);
+ struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct net_device *brport_dev;
+
+ brport_dev = dpaa2_switch_port_to_bridge_port(port_priv);
+ if (!brport_dev)
+ return;
+
+ switchdev_bridge_port_unoffload(brport_dev, port_priv,
+ &dpaa2_switch_port_switchdev_nb,
+ &dpaa2_switch_port_switchdev_blocking_nb);
+
+ /* Make sure that any FDB add/del operations are completed before the
+ * bridge layout changes
+ */
+ flush_workqueue(ethsw->workqueue);
}
static int dpaa2_switch_port_bridge_leave(struct net_device *netdev)
@@ -2178,30 +2347,53 @@ static int dpaa2_switch_port_bridge_leave(struct net_device *netdev)
false);
}
+static int
+dpaa2_switch_have_vlan_upper(struct net_device *upper_dev,
+ __always_unused struct netdev_nested_priv *priv)
+{
+ return is_vlan_dev(upper_dev);
+}
+
static int dpaa2_switch_prevent_bridging_with_8021q_upper(struct net_device *netdev)
{
- struct net_device *upper_dev;
- struct list_head *iter;
+ struct netdev_nested_priv priv = {};
/* RCU read lock not necessary because we have write-side protection
- * (rtnl_mutex), however a non-rcu iterator does not exist.
+ * (rtnl_mutex), however a non-rcu iterator does not exist. Walk the
+ * entire upper chain so that a VLAN device stacked on a intermediate
+ * bond is caught too.
*/
- netdev_for_each_upper_dev_rcu(netdev, upper_dev, iter)
- if (is_vlan_dev(upper_dev))
- return -EOPNOTSUPP;
+ if (netdev_walk_all_upper_dev_rcu(netdev, dpaa2_switch_have_vlan_upper,
+ &priv))
+ return -EOPNOTSUPP;
return 0;
}
+static int dpaa2_switch_check_dpsw_instance(struct net_device *dev,
+ struct netdev_nested_priv *priv)
+{
+ struct ethsw_port_priv *port_priv = (struct ethsw_port_priv *)priv->data;
+ struct ethsw_port_priv *other_priv = netdev_priv(dev);
+
+ if (!dpaa2_switch_port_dev_check(dev))
+ return 0;
+
+ if (other_priv->ethsw_data == port_priv->ethsw_data)
+ return 0;
+
+ return 1;
+}
+
static int
dpaa2_switch_prechangeupper_sanity_checks(struct net_device *netdev,
struct net_device *upper_dev,
struct netlink_ext_ack *extack)
{
struct ethsw_port_priv *port_priv = netdev_priv(netdev);
- struct ethsw_port_priv *other_port_priv;
- struct net_device *other_dev;
- struct list_head *iter;
+ struct netdev_nested_priv data = {
+ .data = (void *)port_priv,
+ };
int err;
if (!br_vlan_enabled(upper_dev)) {
@@ -2216,6 +2408,70 @@ dpaa2_switch_prechangeupper_sanity_checks(struct net_device *netdev,
return err;
}
+ err = netdev_walk_all_lower_dev(upper_dev,
+ dpaa2_switch_check_dpsw_instance,
+ &data);
+ if (err) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Interface from a different DPSW is in the bridge already");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int dpaa2_switch_pre_lag_join(struct net_device *netdev,
+ struct net_device *upper_dev,
+ struct netdev_lag_upper_info *info,
+ struct netlink_ext_ack *extack)
+{
+ struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct ethsw_port_priv *other_port_priv;
+ struct dpaa2_switch_lag *lag = NULL;
+ struct dpsw_lag_cfg cfg = {0};
+ struct net_device *other_dev;
+ int i, num_ifs = 0, err;
+ struct list_head *iter;
+
+ if (!(ethsw->features & ETHSW_FEATURE_LAG_OFFLOAD)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "LAG offload is supported only for DPSW >= v8.13");
+ return -EOPNOTSUPP;
+ }
+
+ if (info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Can only offload LAG using hash TX type");
+ return -EOPNOTSUPP;
+ }
+
+ if (info->hash_type != NETDEV_LAG_HASH_L23) {
+ NL_SET_ERR_MSG_MOD(extack, "Can only offload L2+L3 Tx hash");
+ return -EOPNOTSUPP;
+ }
+
+ if (!dpaa2_switch_port_has_mac(port_priv)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Only switch interfaces connected to MACs can be under a LAG");
+ return -EINVAL;
+ }
+
+ if (vlan_uses_dev(upper_dev)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cannot join a LAG upper that has a VLAN");
+ return -EOPNOTSUPP;
+ }
+
+ for (i = 0; i < ethsw->sw_attr.num_ifs; i++) {
+ if (!ethsw->lags[i].in_use)
+ continue;
+ if (ethsw->lags[i].bond_dev != upper_dev)
+ continue;
+ lag = &ethsw->lags[i];
+ break;
+ }
+
netdev_for_each_lower_dev(upper_dev, other_dev, iter) {
if (!dpaa2_switch_port_dev_check(other_dev))
continue;
@@ -2223,9 +2479,248 @@ dpaa2_switch_prechangeupper_sanity_checks(struct net_device *netdev,
other_port_priv = netdev_priv(other_dev);
if (other_port_priv->ethsw_data != port_priv->ethsw_data) {
NL_SET_ERR_MSG_MOD(extack,
- "Interface from a different DPSW is in the bridge already");
+ "Interface from a different DPSW is in the bond already");
return -EINVAL;
}
+
+ cfg.if_id[num_ifs++] = other_port_priv->idx;
+
+ if (num_ifs >= DPSW_MAX_LAG_IFS) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cannot add more than 8 DPAA2 switch ports under the same bond");
+ return -EINVAL;
+ }
+ }
+
+ if (lag) {
+ cfg.group_id = lag->id;
+ cfg.if_id[num_ifs++] = port_priv->idx;
+ cfg.num_ifs = num_ifs;
+ cfg.phase = DPSW_LAG_SET_PHASE_CHECK;
+
+ err = dpsw_lag_set(ethsw->mc_io, 0, ethsw->dpsw_handle, &cfg);
+ if (err) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cannot offload LAG configuration");
+ return -EOPNOTSUPP;
+ }
+ }
+
+ return 0;
+}
+
+static void dpaa2_switch_port_set_lag_group(struct ethsw_port_priv *port_priv,
+ struct net_device *bond_dev)
+{
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct ethsw_port_priv *other_port_priv = NULL;
+ struct dpaa2_switch_lag *lag = NULL;
+ struct dpaa2_switch_lag *other_lag;
+ struct net_device *other_dev;
+ struct list_head *iter;
+
+ netdev_for_each_lower_dev(bond_dev, other_dev, iter) {
+ if (!dpaa2_switch_port_dev_check(other_dev))
+ continue;
+
+ other_port_priv = netdev_priv(other_dev);
+ other_lag = rtnl_dereference(other_port_priv->lag);
+ if (!other_lag)
+ continue;
+
+ if (other_lag->bond_dev == bond_dev) {
+ rcu_assign_pointer(port_priv->lag, other_lag);
+ return;
+ }
+ }
+
+ /* This is the first interface to be added under a bond device. Find an
+ * unused LAG group. No need to check for NULL since there are the same
+ * amount of DPSW ports as LAG groups, meaning that each port can have
+ * its own LAG group.
+ */
+ lag = dpaa2_switch_lag_get_unused(ethsw);
+ lag->in_use = true;
+ lag->bond_dev = bond_dev;
+ lag->primary = port_priv;
+ rcu_assign_pointer(port_priv->lag, lag);
+}
+
+static bool dpaa2_switch_port_in_lag(struct ethsw_port_priv *port_priv,
+ struct net_device *bond_dev)
+{
+ struct dpaa2_switch_lag *lag;
+
+ if (!port_priv)
+ return false;
+
+ lag = rtnl_dereference(port_priv->lag);
+ return lag && lag->bond_dev == bond_dev;
+}
+
+static int dpaa2_switch_set_lag_cfg(struct net_device *bond_dev, u8 lag_id,
+ struct ethsw_core *ethsw)
+{
+ struct dpaa2_switch_lag *lag = &ethsw->lags[lag_id - 1];
+ struct ethsw_port_priv *primary, *port_priv;
+ struct ethsw_port_priv *new_primary = NULL;
+ struct dpsw_lag_cfg cfg = {0};
+ struct dpaa2_mac_addr *a;
+ u8 num_ifs = 0;
+ int err, i;
+
+ cfg.group_id = lag_id;
+
+ /* Determine the primary port. The caller clears ->lag on the port that
+ * is leaving, so a NULL ->lag on the current primary means it is the
+ * one leaving: elect the first remaining member as the new primary.
+ * Otherwise keep the current primary.
+ */
+ if (rtnl_dereference(lag->primary->lag)) {
+ primary = lag->primary;
+ } else {
+ primary = NULL;
+ for (i = 0; i < ethsw->sw_attr.num_ifs; i++) {
+ if (dpaa2_switch_port_in_lag(ethsw->ports[i], bond_dev)) {
+ new_primary = ethsw->ports[i];
+ primary = new_primary;
+ break;
+ }
+ }
+ }
+
+ /* Build the interface list, always placing the primary first */
+ if (primary)
+ cfg.if_id[num_ifs++] = primary->idx;
+ for (i = 0; i < ethsw->sw_attr.num_ifs; i++) {
+ port_priv = ethsw->ports[i];
+ if (port_priv == primary)
+ continue;
+ if (!dpaa2_switch_port_in_lag(port_priv, bond_dev))
+ continue;
+
+ cfg.if_id[num_ifs++] = port_priv->idx;
+ }
+ cfg.num_ifs = num_ifs;
+
+ /* No more interfaces under this LAG group, mark it as not in use. Wait
+ * for a grace period so that any readers of the lag structure finished.
+ */
+ if (!num_ifs) {
+ synchronize_net();
+
+ lag->bond_dev = NULL;
+ lag->primary = NULL;
+ lag->in_use = false;
+ }
+
+ /* When the primary changes, migrate the FDB entries from the old
+ * primary to the new one: remove them before reconfiguring the LAG in
+ * hardware and re-add them on the new primary afterwards. We do not
+ * touch any refcounting since the intention is to change the HW entry,
+ * not the parallel software tracking.
+ */
+ if (new_primary) {
+ mutex_lock(&lag->fdb_lock);
+ list_for_each_entry(a, &lag->fdbs, list)
+ dpaa2_switch_port_fdb_del(lag->primary, a->addr);
+ mutex_unlock(&lag->fdb_lock);
+ }
+
+ err = dpsw_lag_set(ethsw->mc_io, 0, ethsw->dpsw_handle, &cfg);
+ if (err)
+ return err;
+
+ if (new_primary) {
+ mutex_lock(&lag->fdb_lock);
+ list_for_each_entry(a, &lag->fdbs, list) {
+ err = dpaa2_switch_port_fdb_add(new_primary, a->addr);
+ if (err)
+ netdev_err(new_primary->netdev, "Unable to migrate FDB\n");
+ }
+ mutex_unlock(&lag->fdb_lock);
+
+ synchronize_net();
+ lag->primary = new_primary;
+ }
+
+ return 0;
+}
+
+static int dpaa2_switch_port_bond_join(struct net_device *netdev,
+ struct net_device *bond_dev,
+ struct netdev_lag_upper_info *info,
+ struct netlink_ext_ack *extack)
+{
+ struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct net_device *bridge_dev;
+ struct dpaa2_switch_lag *lag;
+ int err = 0;
+ u8 lag_id;
+
+ /* Setup the port_priv->lag pointer for this switch port */
+ dpaa2_switch_port_set_lag_group(port_priv, bond_dev);
+
+ /* Create the LAG configuration and apply it in MC */
+ lag = rtnl_dereference(port_priv->lag);
+ lag_id = lag->id;
+ err = dpaa2_switch_set_lag_cfg(bond_dev, lag_id, ethsw);
+ if (err)
+ goto err_lag_cfg;
+
+ /* If the bond device is a switch port, join the bridge as well */
+ bridge_dev = netdev_master_upper_dev_get(bond_dev);
+ if (!bridge_dev || !netif_is_bridge_master(bridge_dev))
+ return 0;
+
+ err = dpaa2_switch_port_bridge_join(netdev, bridge_dev, extack);
+ if (err)
+ goto err_lag_cfg;
+
+ return err;
+
+err_lag_cfg:
+ rcu_assign_pointer(port_priv->lag, NULL);
+ dpaa2_switch_set_lag_cfg(bond_dev, lag_id, ethsw);
+
+ return err;
+}
+
+static int dpaa2_switch_port_bond_leave(struct net_device *netdev,
+ struct net_device *bond_dev)
+{
+ struct net_device *bridge_dev = netdev_master_upper_dev_get(bond_dev);
+ struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+ struct dpaa2_switch_lag *lag = rtnl_dereference(port_priv->lag);
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ struct net_device *brpdev;
+ bool learn_ena;
+ int err;
+
+ if (!lag)
+ return 0;
+
+ /* Recreate the LAG configuration for the LAG group that we left. */
+ rcu_assign_pointer(port_priv->lag, NULL);
+ dpaa2_switch_set_lag_cfg(bond_dev, lag->id, ethsw);
+
+ if (bridge_dev && netif_is_bridge_master(bridge_dev)) {
+ /* Make sure that the new primary inherits the learning state */
+ if (lag->primary) {
+ brpdev = dpaa2_switch_port_to_bridge_port(lag->primary);
+ learn_ena = br_port_flag_is_set(brpdev, BR_LEARNING);
+ err = dpaa2_switch_port_set_learning(lag->primary,
+ learn_ena);
+ if (err)
+ return err;
+ lag->primary->learn_ena = learn_ena;
+ }
+
+ /* In case the bond is a bridge port, leave the upper bridge as
+ * well.
+ */
+ return dpaa2_switch_port_bridge_leave(netdev);
}
return 0;
@@ -2235,8 +2730,8 @@ static int dpaa2_switch_port_prechangeupper(struct net_device *netdev,
struct netdev_notifier_changeupper_info *info)
{
struct ethsw_port_priv *port_priv;
+ struct net_device *upper_dev, *br;
struct netlink_ext_ack *extack;
- struct net_device *upper_dev;
int err;
if (!dpaa2_switch_port_dev_check(netdev))
@@ -2253,6 +2748,24 @@ static int dpaa2_switch_port_prechangeupper(struct net_device *netdev,
if (!info->linking)
dpaa2_switch_port_pre_bridge_leave(netdev);
+ } else if (netif_is_lag_master(upper_dev)) {
+ if (!info->linking) {
+ if (netif_is_bridge_port(upper_dev))
+ dpaa2_switch_port_pre_bridge_leave(netdev);
+ return 0;
+ }
+
+ if (netif_is_bridge_port(upper_dev)) {
+ br = netdev_master_upper_dev_get(upper_dev);
+ err = dpaa2_switch_prechangeupper_sanity_checks(netdev,
+ br,
+ extack);
+ if (err)
+ return err;
+ }
+
+ return dpaa2_switch_pre_lag_join(netdev, upper_dev,
+ info->upper_info, extack);
} else if (is_vlan_dev(upper_dev)) {
port_priv = netdev_priv(netdev);
if (port_priv->fdb->bridge_dev) {
@@ -2284,6 +2797,80 @@ static int dpaa2_switch_port_changeupper(struct net_device *netdev,
extack);
else
return dpaa2_switch_port_bridge_leave(netdev);
+ } else if (netif_is_lag_master(upper_dev)) {
+ if (info->linking)
+ return dpaa2_switch_port_bond_join(netdev, upper_dev,
+ info->upper_info,
+ extack);
+ else
+ return dpaa2_switch_port_bond_leave(netdev, upper_dev);
+ }
+
+ return 0;
+}
+
+static int
+dpaa2_switch_lag_prechangeupper(struct net_device *netdev,
+ struct netdev_notifier_changeupper_info *info)
+{
+ struct net_device *lower;
+ struct list_head *iter;
+ int err = 0;
+
+ if (!netif_is_lag_master(netdev))
+ return 0;
+
+ netdev_for_each_lower_dev(netdev, lower, iter) {
+ if (!dpaa2_switch_port_dev_check(lower))
+ continue;
+
+ err = dpaa2_switch_port_prechangeupper(lower, info);
+ if (err)
+ return err;
+ }
+
+ return err;
+}
+
+static int
+dpaa2_switch_lag_changeupper(struct net_device *netdev,
+ struct netdev_notifier_changeupper_info *info)
+{
+ struct net_device *lower;
+ struct list_head *iter;
+ int err = 0;
+
+ if (!netif_is_lag_master(netdev))
+ return 0;
+
+ netdev_for_each_lower_dev(netdev, lower, iter) {
+ if (!dpaa2_switch_port_dev_check(lower))
+ continue;
+
+ err = dpaa2_switch_port_changeupper(lower, info);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static int
+dpaa2_switch_port_changelowerstate(struct net_device *netdev,
+ struct netdev_lag_lower_state_info *linfo)
+{
+ struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+ struct ethsw_core *ethsw = port_priv->ethsw_data;
+ int err;
+
+ if (!rtnl_dereference(port_priv->lag))
+ return 0;
+
+ err = dpsw_if_set_lag_state(ethsw->mc_io, 0, ethsw->dpsw_handle,
+ port_priv->idx, linfo->tx_enabled ? 1 : 0);
+ if (err) {
+ netdev_err(netdev, "dpsw_if_set_lag_state() = %d\n", err);
+ return err;
}
return 0;
@@ -2293,6 +2880,7 @@ static int dpaa2_switch_port_netdevice_event(struct notifier_block *nb,
unsigned long event, void *ptr)
{
struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
+ struct netdev_notifier_changelowerstate_info *info;
int err = 0;
switch (event) {
@@ -2301,13 +2889,29 @@ static int dpaa2_switch_port_netdevice_event(struct notifier_block *nb,
if (err)
return notifier_from_errno(err);
+ err = dpaa2_switch_lag_prechangeupper(netdev, ptr);
+ if (err)
+ return notifier_from_errno(err);
+
break;
case NETDEV_CHANGEUPPER:
err = dpaa2_switch_port_changeupper(netdev, ptr);
if (err)
return notifier_from_errno(err);
+ err = dpaa2_switch_lag_changeupper(netdev, ptr);
+ if (err)
+ return notifier_from_errno(err);
+
break;
+ case NETDEV_CHANGELOWERSTATE:
+ info = ptr;
+ if (!dpaa2_switch_port_dev_check(netdev))
+ break;
+
+ err = dpaa2_switch_port_changelowerstate(netdev,
+ info->lower_state_info);
+ return notifier_from_errno(err);
}
return NOTIFY_DONE;
@@ -2317,80 +2921,97 @@ struct ethsw_switchdev_event_work {
struct work_struct work;
struct switchdev_notifier_fdb_info fdb_info;
struct net_device *dev;
+ struct net_device *orig_dev;
unsigned long event;
+ u16 vid;
};
static void dpaa2_switch_event_work(struct work_struct *work)
{
struct ethsw_switchdev_event_work *switchdev_work =
container_of(work, struct ethsw_switchdev_event_work, work);
+ struct net_device *orig_dev = switchdev_work->orig_dev;
struct net_device *dev = switchdev_work->dev;
+ struct ethsw_port_priv *port_priv = netdev_priv(dev);
struct switchdev_notifier_fdb_info *fdb_info;
+ struct dpaa2_switch_lag *lag;
int err;
- rtnl_lock();
fdb_info = &switchdev_work->fdb_info;
+ /* The lag structures are freed only from dpaa2_switch_remove(), which
+ * first flushes this workqueue, so the pointer stays valid for the
+ * lifetime of the work item. Only the dereference needs the RCU
+ * read-side lock; the FDB helpers below can sleep and must run outside
+ * of it.
+ */
+ rcu_read_lock();
+ lag = rcu_dereference(port_priv->lag);
+ rcu_read_unlock();
+
switch (switchdev_work->event) {
case SWITCHDEV_FDB_ADD_TO_DEVICE:
- if (!fdb_info->added_by_user || fdb_info->is_local)
- break;
- if (is_unicast_ether_addr(fdb_info->addr))
- err = dpaa2_switch_port_fdb_add_uc(netdev_priv(dev),
- fdb_info->addr);
+ if (lag)
+ err = dpaa2_switch_lag_fdb_add(lag, fdb_info->addr,
+ switchdev_work->vid);
else
- err = dpaa2_switch_port_fdb_add_mc(netdev_priv(dev),
- fdb_info->addr);
+ err = dpaa2_switch_port_fdb_add(port_priv,
+ fdb_info->addr);
if (err)
break;
fdb_info->offloaded = true;
- call_switchdev_notifiers(SWITCHDEV_FDB_OFFLOADED, dev,
+ call_switchdev_notifiers(SWITCHDEV_FDB_OFFLOADED, orig_dev,
&fdb_info->info, NULL);
break;
case SWITCHDEV_FDB_DEL_TO_DEVICE:
- if (!fdb_info->added_by_user || fdb_info->is_local)
- break;
- if (is_unicast_ether_addr(fdb_info->addr))
- dpaa2_switch_port_fdb_del_uc(netdev_priv(dev), fdb_info->addr);
+ if (lag)
+ dpaa2_switch_lag_fdb_del(lag, fdb_info->addr,
+ switchdev_work->vid);
else
- dpaa2_switch_port_fdb_del_mc(netdev_priv(dev), fdb_info->addr);
+ dpaa2_switch_port_fdb_del(port_priv, fdb_info->addr);
break;
}
- rtnl_unlock();
kfree(switchdev_work->fdb_info.addr);
kfree(switchdev_work);
dev_put(dev);
+ dev_put(orig_dev);
}
-/* Called under rcu_read_lock() */
-static int dpaa2_switch_port_event(struct notifier_block *nb,
- unsigned long event, void *ptr)
+static int
+dpaa2_switch_port_fdb_event(struct net_device *dev,
+ struct net_device *orig_dev,
+ unsigned long event, const void *ctx,
+ const struct switchdev_notifier_fdb_info *fdb_info)
{
- struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
struct ethsw_port_priv *port_priv = netdev_priv(dev);
struct ethsw_switchdev_event_work *switchdev_work;
- struct switchdev_notifier_fdb_info *fdb_info = ptr;
struct ethsw_core *ethsw = port_priv->ethsw_data;
- if (event == SWITCHDEV_PORT_ATTR_SET)
- return dpaa2_switch_port_attr_set_event(dev, ptr);
+ if (ctx && ctx != port_priv)
+ return 0;
- if (!dpaa2_switch_port_dev_check(dev))
- return NOTIFY_DONE;
+ /* For the moment, do nothing with entries towards foreign devices */
+ if (dpaa2_switch_foreign_dev_check(dev, orig_dev))
+ return 0;
+
+ if (!fdb_info->added_by_user || fdb_info->is_local)
+ return 0;
switchdev_work = kzalloc_obj(*switchdev_work, GFP_ATOMIC);
if (!switchdev_work)
- return NOTIFY_BAD;
+ return -ENOMEM;
INIT_WORK(&switchdev_work->work, dpaa2_switch_event_work);
switchdev_work->dev = dev;
switchdev_work->event = event;
+ switchdev_work->orig_dev = orig_dev;
+ switchdev_work->vid = fdb_info->vid;
switch (event) {
case SWITCHDEV_FDB_ADD_TO_DEVICE:
case SWITCHDEV_FDB_DEL_TO_DEVICE:
- memcpy(&switchdev_work->fdb_info, ptr,
+ memcpy(&switchdev_work->fdb_info, fdb_info,
sizeof(switchdev_work->fdb_info));
switchdev_work->fdb_info.addr = kzalloc(ETH_ALEN, GFP_ATOMIC);
if (!switchdev_work->fdb_info.addr)
@@ -2401,52 +3022,61 @@ static int dpaa2_switch_port_event(struct notifier_block *nb,
/* Take a reference on the device to avoid being freed. */
dev_hold(dev);
+ dev_hold(orig_dev);
break;
default:
kfree(switchdev_work);
- return NOTIFY_DONE;
+ return 0;
}
queue_work(ethsw->workqueue, &switchdev_work->work);
- return NOTIFY_DONE;
+ return 0;
err_addr_alloc:
kfree(switchdev_work);
- return NOTIFY_BAD;
+ return -ENOMEM;
}
-static int dpaa2_switch_port_obj_event(unsigned long event,
- struct net_device *netdev,
- struct switchdev_notifier_port_obj_info *port_obj_info)
+/* Called under rcu_read_lock() */
+static int dpaa2_switch_port_event(struct notifier_block *nb,
+ unsigned long event, void *ptr)
{
- int err = -EOPNOTSUPP;
-
- if (!dpaa2_switch_port_dev_check(netdev))
- return NOTIFY_DONE;
+ struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
+ int err;
switch (event) {
- case SWITCHDEV_PORT_OBJ_ADD:
- err = dpaa2_switch_port_obj_add(netdev, port_obj_info->obj);
- break;
- case SWITCHDEV_PORT_OBJ_DEL:
- err = dpaa2_switch_port_obj_del(netdev, port_obj_info->obj);
- break;
+ case SWITCHDEV_PORT_ATTR_SET:
+ return dpaa2_switch_port_attr_set_event(dev, ptr);
+ case SWITCHDEV_FDB_ADD_TO_DEVICE:
+ case SWITCHDEV_FDB_DEL_TO_DEVICE:
+ err = switchdev_handle_fdb_event_to_device(dev, event, ptr,
+ dpaa2_switch_port_dev_check,
+ dpaa2_switch_foreign_dev_check,
+ dpaa2_switch_port_fdb_event);
+ return notifier_from_errno(err);
+ default:
+ return NOTIFY_DONE;
}
-
- port_obj_info->handled = true;
- return notifier_from_errno(err);
}
static int dpaa2_switch_port_blocking_event(struct notifier_block *nb,
unsigned long event, void *ptr)
{
struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
+ int err;
switch (event) {
case SWITCHDEV_PORT_OBJ_ADD:
+ err = switchdev_handle_port_obj_add(dev, ptr,
+ dpaa2_switch_port_dev_check,
+ dpaa2_switch_port_obj_add);
+ return notifier_from_errno(err);
case SWITCHDEV_PORT_OBJ_DEL:
- return dpaa2_switch_port_obj_event(event, dev, ptr);
+ err = switchdev_handle_port_obj_del(dev, ptr,
+ dpaa2_switch_port_dev_check,
+ dpaa2_switch_port_obj_del);
+ return notifier_from_errno(err);
case SWITCHDEV_PORT_ATTR_SET:
return dpaa2_switch_port_attr_set_event(dev, ptr);
}
@@ -2491,19 +3121,22 @@ static void dpaa2_switch_rx(struct dpaa2_switch_fq *fq,
dma_addr_t addr = dpaa2_fd_get_addr(fd);
struct ethsw_core *ethsw = fq->ethsw;
struct ethsw_port_priv *port_priv;
+ struct dpaa2_switch_lag *lag;
struct net_device *netdev;
struct vlan_ethhdr *hdr;
struct sk_buff *skb;
u16 vlan_tci, vid;
int if_id, err;
void *vaddr;
+ u64 flc;
vaddr = dpaa2_iova_to_virt(ethsw->iommu_domain, addr);
dma_unmap_page(ethsw->dev, addr, DPAA2_SWITCH_RX_BUF_SIZE,
DMA_FROM_DEVICE);
/* get switch ingress interface ID */
- if_id = upper_32_bits(dpaa2_fd_get_flc(fd)) & 0x0000FFFF;
+ flc = dpaa2_fd_get_flc(fd);
+ if_id = DPAA2_ETHSW_FLC_IF_ID(flc);
if (if_id >= ethsw->sw_attr.num_ifs) {
dev_err(ethsw->dev, "Frame received from unknown interface!\n");
goto err_free_fd;
@@ -2542,12 +3175,20 @@ static void dpaa2_switch_rx(struct dpaa2_switch_fq *fq,
}
}
- skb->dev = netdev;
+ rcu_read_lock();
+
+ lag = rcu_dereference(port_priv->lag);
+ if (DPAA2_ETHSW_FLC_IMPRECISE_IF_ID(flc) && lag)
+ skb->dev = lag->bond_dev;
+ else
+ skb->dev = netdev;
skb->protocol = eth_type_trans(skb, skb->dev);
/* Setup the offload_fwd_mark only if the port is under a bridge */
skb->offload_fwd_mark = !!(port_priv->fdb->bridge_dev);
+ rcu_read_unlock();
+
netif_receive_skb(skb);
return;
@@ -2562,6 +3203,9 @@ static void dpaa2_switch_detect_features(struct ethsw_core *ethsw)
if (ethsw->major > 8 || (ethsw->major == 8 && ethsw->minor >= 6))
ethsw->features |= ETHSW_FEATURE_MAC_ADDR;
+
+ if (ethsw->major > 8 || (ethsw->major == 8 && ethsw->minor >= 13))
+ ethsw->features |= ETHSW_FEATURE_LAG_OFFLOAD;
}
static int dpaa2_switch_setup_fqs(struct ethsw_core *ethsw)
@@ -3196,17 +3840,15 @@ err_close:
return err;
}
-/* Add an ACL to redirect frames with specific destination MAC address to
- * control interface
- */
+/* Add an ACL to redirect frames to control interface based on the dst MAC */
static int dpaa2_switch_port_trap_mac_addr(struct ethsw_port_priv *port_priv,
- const char *mac)
+ const u8 *mac, const u8 *mask)
{
struct dpaa2_switch_acl_entry acl_entry = {0};
/* Match on the destination MAC address */
ether_addr_copy(acl_entry.key.match.l2_dest_mac, mac);
- eth_broadcast_addr(acl_entry.key.mask.l2_dest_mac);
+ ether_addr_copy(acl_entry.key.mask.l2_dest_mac, mask);
/* Trap to CPU */
acl_entry.cfg.precedence = 0;
@@ -3217,7 +3859,8 @@ static int dpaa2_switch_port_trap_mac_addr(struct ethsw_port_priv *port_priv,
static int dpaa2_switch_port_init(struct ethsw_port_priv *port_priv, u16 port)
{
- const char stpa[ETH_ALEN] = {0x01, 0x80, 0xc2, 0x00, 0x00, 0x00};
+ const u8 ll_mac[ETH_ALEN] = {0x01, 0x80, 0xc2, 0x00, 0x00, 0x00};
+ const u8 ll_mask[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xf0};
struct switchdev_obj_port_vlan vlan = {
.obj.id = SWITCHDEV_OBJ_ID_PORT_VLAN,
.vid = DEFAULT_VLAN_ID,
@@ -3292,7 +3935,7 @@ static int dpaa2_switch_port_init(struct ethsw_port_priv *port_priv, u16 port)
if (err)
return err;
- err = dpaa2_switch_port_trap_mac_addr(port_priv, stpa);
+ err = dpaa2_switch_port_trap_mac_addr(port_priv, ll_mac, ll_mask);
if (err)
return err;
@@ -3332,6 +3975,9 @@ static void dpaa2_switch_remove(struct fsl_mc_device *sw_dev)
dev = &sw_dev->dev;
ethsw = dev_get_drvdata(dev);
+ /* Make sure that all events were handled before we kfree anything */
+ flush_workqueue(ethsw->workqueue);
+
dpaa2_switch_teardown_irqs(sw_dev);
dpsw_disable(ethsw->mc_io, 0, ethsw->dpsw_handle);
@@ -3345,12 +3991,15 @@ static void dpaa2_switch_remove(struct fsl_mc_device *sw_dev)
for (i = 0; i < DPAA2_SWITCH_RX_NUM_FQS; i++)
netif_napi_del(&ethsw->fq[i].napi);
- for (i = 0; i < ethsw->sw_attr.num_ifs; i++)
+ for (i = 0; i < ethsw->sw_attr.num_ifs; i++) {
dpaa2_switch_remove_port(ethsw, i);
+ mutex_destroy(&ethsw->lags[i].fdb_lock);
+ }
kfree(ethsw->fdbs);
kfree(ethsw->filter_blocks);
kfree(ethsw->ports);
+ kfree(ethsw->lags);
dpaa2_switch_teardown(sw_dev);
@@ -3378,6 +4027,7 @@ static int dpaa2_switch_probe_port(struct ethsw_core *ethsw,
port_priv = netdev_priv(port_netdev);
port_priv->netdev = port_netdev;
port_priv->ethsw_data = ethsw;
+ rcu_assign_pointer(port_priv->lag, NULL);
mutex_init(&port_priv->mac_lock);
@@ -3485,6 +4135,21 @@ static int dpaa2_switch_probe(struct fsl_mc_device *sw_dev)
goto err_free_fdbs;
}
+ ethsw->lags = kcalloc(ethsw->sw_attr.num_ifs, sizeof(*ethsw->lags),
+ GFP_KERNEL);
+ if (!ethsw->lags) {
+ err = -ENOMEM;
+ goto err_free_filter;
+ }
+ for (i = 0; i < ethsw->sw_attr.num_ifs; i++) {
+ ethsw->lags[i].bond_dev = NULL;
+ ethsw->lags[i].ethsw = ethsw;
+ ethsw->lags[i].id = i + 1;
+ ethsw->lags[i].in_use = 0;
+ mutex_init(&ethsw->lags[i].fdb_lock);
+ INIT_LIST_HEAD(&ethsw->lags[i].fdbs);
+ }
+
for (i = 0; i < ethsw->sw_attr.num_ifs; i++) {
err = dpaa2_switch_probe_port(ethsw, i);
if (err)
@@ -3531,6 +4196,10 @@ err_stop:
err_free_netdev:
for (i--; i >= 0; i--)
dpaa2_switch_remove_port(ethsw, i);
+ for (i = 0; i < ethsw->sw_attr.num_ifs; i++)
+ mutex_destroy(&ethsw->lags[i].fdb_lock);
+ kfree(ethsw->lags);
+err_free_filter:
kfree(ethsw->filter_blocks);
err_free_fdbs:
kfree(ethsw->fdbs);
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h
index 42b3ca73f55d..63b702b0000c 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h
@@ -41,7 +41,8 @@
#define ETHSW_MAX_FRAME_LENGTH (DPAA2_MFL - VLAN_ETH_HLEN - ETH_FCS_LEN)
#define ETHSW_L2_MAX_FRM(mtu) ((mtu) + VLAN_ETH_HLEN + ETH_FCS_LEN)
-#define ETHSW_FEATURE_MAC_ADDR BIT(0)
+#define ETHSW_FEATURE_MAC_ADDR BIT(0)
+#define ETHSW_FEATURE_LAG_OFFLOAD BIT(1)
/* Number of receive queues (one RX and one TX_CONF) */
#define DPAA2_SWITCH_RX_NUM_FQS 2
@@ -86,6 +87,9 @@
#define DPAA2_ETHSW_PORT_ACL_CMD_BUF_SIZE 256
+#define DPAA2_ETHSW_FLC_IF_ID(flc) (((flc) >> 32) & GENMASK(15, 0))
+#define DPAA2_ETHSW_FLC_IMPRECISE_IF_ID(flc) ((flc) & BIT_ULL(63))
+
extern const struct ethtool_ops dpaa2_switch_port_ethtool_ops;
struct ethsw_core;
@@ -99,12 +103,30 @@ struct dpaa2_switch_fq {
u32 fqid;
};
+struct dpaa2_mac_addr {
+ unsigned char addr[ETH_ALEN];
+ u16 vid;
+ refcount_t refcount;
+ struct list_head list;
+};
+
struct dpaa2_switch_fdb {
struct net_device *bridge_dev;
u16 fdb_id;
bool in_use;
};
+struct dpaa2_switch_lag {
+ struct ethsw_core *ethsw;
+ struct net_device *bond_dev;
+ bool in_use;
+ u8 id;
+ struct ethsw_port_priv *primary;
+ /* Protects the list of fdbs installed on this LAG */
+ struct mutex fdb_lock;
+ struct list_head fdbs;
+};
+
struct dpaa2_switch_acl_entry {
struct list_head list;
u16 prio;
@@ -163,6 +185,8 @@ struct ethsw_port_priv {
struct dpaa2_mac *mac;
/* Protects against changes to port_priv->mac */
struct mutex mac_lock;
+
+ struct dpaa2_switch_lag __rcu *lag;
};
/* Switch data */
@@ -190,6 +214,8 @@ struct ethsw_core {
struct dpaa2_switch_fdb *fdbs;
struct dpaa2_switch_filter_block *filter_blocks;
u16 mirror_port;
+
+ struct dpaa2_switch_lag *lags;
};
static inline int dpaa2_switch_get_index(struct ethsw_core *ethsw,
@@ -274,4 +300,18 @@ int dpaa2_switch_block_offload_mirror(struct dpaa2_switch_filter_block *block,
int dpaa2_switch_block_unoffload_mirror(struct dpaa2_switch_filter_block *block,
struct ethsw_port_priv *port_priv);
+
+static inline bool
+dpaa2_switch_port_offloads_bridge_port(struct ethsw_port_priv *port_priv,
+ const struct net_device *dev)
+{
+ struct dpaa2_switch_lag *lag = rcu_dereference_rtnl(port_priv->lag);
+
+ if (lag && lag->bond_dev == dev)
+ return true;
+ if (port_priv->netdev == dev)
+ return true;
+ return false;
+}
+
#endif /* __ETHSW_H */
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h
index 397d55f2bd99..9a2055c64983 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h
@@ -12,7 +12,7 @@
/* DPSW Version */
#define DPSW_VER_MAJOR 8
-#define DPSW_VER_MINOR 9
+#define DPSW_VER_MINOR 13
#define DPSW_CMD_BASE_VERSION 1
#define DPSW_CMD_VERSION_2 2
@@ -92,11 +92,14 @@
#define DPSW_CMDID_CTRL_IF_SET_POOLS DPSW_CMD_ID(0x0A1)
#define DPSW_CMDID_CTRL_IF_ENABLE DPSW_CMD_ID(0x0A2)
#define DPSW_CMDID_CTRL_IF_DISABLE DPSW_CMD_ID(0x0A3)
+#define DPSW_CMDID_SET_LAG DPSW_CMD_V2(0x0A4)
#define DPSW_CMDID_CTRL_IF_SET_QUEUE DPSW_CMD_ID(0x0A6)
#define DPSW_CMDID_SET_EGRESS_FLOOD DPSW_CMD_ID(0x0AC)
#define DPSW_CMDID_IF_SET_LEARNING_MODE DPSW_CMD_ID(0x0AD)
+#define DPSW_CMDID_IF_SET_LAG_STATE DPSW_CMD_ID(0x0B0)
+
/* Macros for accessing command fields smaller than 1byte */
#define DPSW_MASK(field) \
GENMASK(DPSW_##field##_SHIFT + DPSW_##field##_SIZE - 1, \
@@ -552,5 +555,18 @@ struct dpsw_cmd_if_reflection {
/* only 2 bits from the LSB */
u8 filter;
};
+
+struct dpsw_cmd_lag {
+ u8 group_id;
+ u8 num_ifs;
+ u8 pad[6];
+ u8 if_id[DPSW_MAX_LAG_IFS];
+ u8 phase;
+};
+
+struct dpsw_cmd_if_set_lag_state {
+ __le16 if_id;
+ u8 tx_enabled;
+};
#pragma pack(pop)
#endif /* __FSL_DPSW_CMD_H */
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpsw.c b/drivers/net/ethernet/freescale/dpaa2/dpsw.c
index ab921d75deb2..f75cbdce42ba 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpsw.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpsw.c
@@ -1659,3 +1659,63 @@ int dpsw_if_remove_reflection(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
return mc_send_command(mc_io, &cmd);
}
+
+/**
+ * dpsw_lag_set() - Set LAG configuration
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPSW object
+ * @cfg: pointer to LAG configuration
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpsw_lag_set(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+ const struct dpsw_lag_cfg *cfg)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpsw_cmd_lag *cmd_params;
+ int i = 0;
+
+ cmd.header = mc_encode_cmd_header(DPSW_CMDID_SET_LAG, cmd_flags, token);
+
+ if (cfg->num_ifs > DPSW_MAX_LAG_IFS)
+ return -EOPNOTSUPP;
+
+ cmd_params = (struct dpsw_cmd_lag *)cmd.params;
+ cmd_params->group_id = cfg->group_id;
+ cmd_params->num_ifs = cfg->num_ifs;
+ cmd_params->phase = cfg->phase;
+
+ for (i = 0; i < cfg->num_ifs; i++)
+ cmd_params->if_id[i] = cfg->if_id[i];
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpsw_if_set_lag_state() - Change per port LAG state
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPSW object
+ * @if_id: ID of the switch interface
+ * @tx_enabled: Value of the per port LAG state
+ * - 0 if the interface will not be active as part of the LAG group
+ * - 1 if the interface will be active in the LAG group
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpsw_if_set_lag_state(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+ u16 if_id, u8 tx_enabled)
+{
+ struct dpsw_cmd_if_set_lag_state *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPSW_CMDID_IF_SET_LAG_STATE,
+ cmd_flags, token);
+
+ cmd_params = (struct dpsw_cmd_if_set_lag_state *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ cmd_params->tx_enabled = tx_enabled;
+
+ return mc_send_command(mc_io, &cmd);
+}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpsw.h b/drivers/net/ethernet/freescale/dpaa2/dpsw.h
index b90bd363f47a..89f0267de8e9 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpsw.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpsw.h
@@ -20,6 +20,8 @@ struct fsl_mc_io;
#define DPSW_MAX_IF 64
+#define DPSW_MAX_LAG_IFS 8
+
int dpsw_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpsw_id, u16 *token);
int dpsw_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
@@ -788,4 +790,32 @@ int dpsw_if_add_reflection(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
int dpsw_if_remove_reflection(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
u16 if_id, const struct dpsw_reflection_cfg *cfg);
+
+/* Link Aggregation Group configuration */
+
+#define DPSW_LAG_SET_PHASE_APPLY 0
+#define DPSW_LAG_SET_PHASE_CHECK 1
+
+/**
+ * struct dpsw_lag_cfg - Configuration structure for a LAG group
+ * @group_id: Link aggregation group ID. Valid values are in the
+ * [1, DPSW_MAX_LAG_IFS] range.
+ * @num_ifs: Number of interfaces in this LAG group, valid range is
+ * [0, DPSW_MAX_LAG_IFS].
+ * @if_id: Array containing the interface IDs of the ports part of a LAG group
+ * @phase: Use DPSW_LAG_SET_PHASE_APPLY for LAG configuration processing or
+ * DPSW_LAG_SET_PHASE_CHECK for LAG configuration validation.
+ */
+struct dpsw_lag_cfg {
+ u8 group_id;
+ u8 num_ifs;
+ u8 if_id[DPSW_MAX_LAG_IFS];
+ u8 phase;
+};
+
+int dpsw_lag_set(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+ const struct dpsw_lag_cfg *cfg);
+
+int dpsw_if_set_lag_state(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+ u16 if_id, u8 tx_enabled);
#endif /* __FSL_DPSW_H */
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.c b/drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.c
index 0ae314994676..4382af937e2e 100644
--- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.c
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.c
@@ -155,6 +155,7 @@ netdev_tx_t hbg_net_start_xmit(struct sk_buff *skb, struct net_device *netdev)
buffer->skb = skb;
buffer->skb_len = skb->len;
if (unlikely(hbg_dma_map(buffer))) {
+ buffer->skb = NULL;
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
index 635b3a95dd82..3c4e4e8ca140 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
@@ -563,7 +563,7 @@ u32 hns_rcb_get_rx_coalesced_frames(
u32 hns_rcb_get_tx_coalesced_frames(
struct rcb_common_cb *rcb_common, u32 port_idx)
{
- u64 reg;
+ u32 reg;
reg = RCB_CFG_PKTLINE_REG + (port_idx + HNS_RCB_TX_PKTLINE_OFFSET) * 4;
return dsaf_read_dev(rcb_common, reg);
@@ -634,7 +634,7 @@ int hns_rcb_set_tx_coalesced_frames(
{
u32 old_waterline =
hns_rcb_get_tx_coalesced_frames(rcb_common, port_idx);
- u64 reg;
+ u32 reg;
if (coalesced_frames == old_waterline)
return 0;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index a8798eecd9fb..4286af9239b0 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -602,6 +602,10 @@ typedef int (*read_func)(struct seq_file *s, void *data);
* Config wake on lan
* dbg_get_read_func
* Return the read func for debugfs seq file
+ * set_pfc_prevention_tout
+ * Set PFC storm prevention timeout
+ * get_pfc_prevention_tout
+ * Get PFC storm prevention timeout
*/
struct hnae3_ae_ops {
int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
@@ -810,6 +814,8 @@ struct hnae3_ae_ops {
int (*hwtstamp_set)(struct hnae3_handle *handle,
struct kernel_hwtstamp_config *config,
struct netlink_ext_ack *extack);
+ int (*set_pfc_prevention_tout)(struct hnae3_handle *handle, u16 times);
+ int (*get_pfc_prevention_tout)(struct hnae3_handle *handle, u16 *times);
};
struct hnae3_dcb_ops {
@@ -891,6 +897,14 @@ struct hnae3_roce_private_info {
unsigned long state;
};
+struct hnae3_pfc_storm_para {
+ u32 dir;
+ u32 enable;
+ u32 period_ms;
+ u32 times;
+ u32 recovery_period_ms;
+};
+
#define HNAE3_SUPPORT_APP_LOOPBACK BIT(0)
#define HNAE3_SUPPORT_PHY_LOOPBACK BIT(1)
#define HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK BIT(2)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h
index 2c2a2f1e0d7a..6dde07dde1e8 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h
@@ -314,6 +314,9 @@ enum hclge_opcode_type {
/* Query link diagnosis info command */
HCLGE_OPC_QUERY_LINK_DIAGNOSIS = 0x702A,
+
+ /* Config pause storm param command */
+ HCLGE_OPC_CFG_PAUSE_STORM_PARA = 0x7019,
};
enum hclge_comm_cmd_return_status {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index 442f15476af3..e7318f236315 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -1895,6 +1895,12 @@ static int hns3_get_tunable(struct net_device *netdev,
case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
*(u32 *)data = h->kinfo.tx_spare_buf_size;
break;
+ case ETHTOOL_PFC_PREVENTION_TOUT:
+ if (!h->ae_algo->ops->get_pfc_prevention_tout)
+ return -EOPNOTSUPP;
+
+ ret = h->ae_algo->ops->get_pfc_prevention_tout(h, (u16 *)data);
+ break;
default:
ret = -EOPNOTSUPP;
break;
@@ -2021,6 +2027,12 @@ static int hns3_set_tunable(struct net_device *netdev,
priv->ring->tx_spare->len);
break;
+ case ETHTOOL_PFC_PREVENTION_TOUT:
+ if (!h->ae_algo->ops->set_pfc_prevention_tout)
+ return -EOPNOTSUPP;
+
+ ret = h->ae_algo->ops->set_pfc_prevention_tout(h, *(u16 *)data);
+ break;
default:
ret = -EOPNOTSUPP;
break;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 4ce92ddefcde..1c029dc32ab8 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -890,6 +890,15 @@ struct hclge_query_wol_supported_cmd {
u8 rsv[20];
};
+struct hclge_pfc_storm_para_cmd {
+ __le32 dir;
+ __le32 enable;
+ __le32 period_ms;
+ __le32 times;
+ __le32 recovery_period_ms;
+ __le32 rsv;
+};
+
struct hclge_hw;
int hclge_cmd_send(struct hclge_hw *hw, struct hclge_desc *desc, int num);
#endif
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index fc8587c80813..a08d8a35aef9 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -3524,6 +3524,122 @@ static int hclge_set_vf_link_state(struct hnae3_handle *handle, int vf,
return ret;
}
+static int hclge_set_pfc_storm_para(struct hclge_dev *hdev,
+ struct hnae3_pfc_storm_para *para)
+{
+ struct hclge_pfc_storm_para_cmd *para_cmd;
+ struct hclge_desc desc;
+ int ret;
+
+ if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V3)
+ return -EOPNOTSUPP;
+
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_PAUSE_STORM_PARA,
+ false);
+ para_cmd = (struct hclge_pfc_storm_para_cmd *)desc.data;
+ para_cmd->dir = cpu_to_le32(para->dir);
+ para_cmd->enable = cpu_to_le32(para->enable);
+ para_cmd->period_ms = cpu_to_le32(para->period_ms);
+ para_cmd->times = cpu_to_le32(para->times);
+ para_cmd->recovery_period_ms = cpu_to_le32(para->recovery_period_ms);
+
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret)
+ dev_err(&hdev->pdev->dev,
+ "failed to set pfc storm para, ret = %d\n", ret);
+ return ret;
+}
+
+static int hclge_get_pfc_storm_para(struct hclge_dev *hdev,
+ struct hnae3_pfc_storm_para *para)
+{
+ struct hclge_pfc_storm_para_cmd *para_cmd;
+ struct hclge_desc desc;
+ int ret;
+
+ if (hdev->ae_dev->dev_version < HNAE3_DEVICE_VERSION_V3)
+ return -EOPNOTSUPP;
+
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_PAUSE_STORM_PARA, true);
+ para_cmd = (struct hclge_pfc_storm_para_cmd *)desc.data;
+ para_cmd->dir = cpu_to_le32(para->dir);
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to get pfc storm para, ret = %d\n", ret);
+ return ret;
+ }
+
+ para->enable = le32_to_cpu(para_cmd->enable);
+ para->period_ms = le32_to_cpu(para_cmd->period_ms);
+ para->times = le32_to_cpu(para_cmd->times);
+ para->recovery_period_ms = le32_to_cpu(para_cmd->recovery_period_ms);
+
+ return 0;
+}
+
+static int hclge_enable_pfc_storm_prevent(struct hclge_dev *hdev,
+ int dir, bool enable)
+{
+ struct hnae3_pfc_storm_para para = {0};
+ int ret;
+
+ para.dir = dir;
+ ret = hclge_get_pfc_storm_para(hdev, &para);
+ if (ret)
+ return ret;
+
+ para.enable = enable;
+ return hclge_set_pfc_storm_para(hdev, &para);
+}
+
+static int hclge_set_pfc_prevention_tout(struct hnae3_handle *h, u16 times)
+{
+ struct hclge_vport *vport = hclge_get_vport(h);
+ struct hclge_dev *hdev = vport->back;
+ struct hnae3_pfc_storm_para para;
+ int ret;
+
+ if (times > HCLGE_MAX_PFC_PREVENTION_TOUT) {
+ dev_err(&hdev->pdev->dev,
+ "times %u should be no more than %u!\n",
+ times, HCLGE_MAX_PFC_PREVENTION_TOUT);
+ return -EINVAL;
+ }
+
+ para.dir = HCLGE_DIR_TX;
+ ret = hclge_get_pfc_storm_para(hdev, &para);
+ if (ret)
+ return ret;
+
+ para.enable = times ? 1 : 0;
+ para.times = (u32)times;
+ ret = hclge_set_pfc_storm_para(hdev, &para);
+ if (ret)
+ return ret;
+
+ hdev->pfc_prevention_tout = times;
+
+ return 0;
+}
+
+static int hclge_get_pfc_prevention_tout(struct hnae3_handle *h, u16 *times)
+{
+ struct hclge_vport *vport = hclge_get_vport(h);
+ struct hclge_dev *hdev = vport->back;
+ struct hnae3_pfc_storm_para para;
+ int ret;
+
+ para.dir = HCLGE_DIR_TX;
+ ret = hclge_get_pfc_storm_para(hdev, &para);
+ if (ret)
+ return ret;
+
+ *times = para.enable ? (u16)para.times : 0;
+
+ return 0;
+}
+
static void hclge_set_reset_pending(struct hclge_dev *hdev,
enum hnae3_reset_type reset_type)
{
@@ -4317,6 +4433,26 @@ static int hclge_reset_prepare(struct hclge_dev *hdev)
return hclge_reset_prepare_wait(hdev);
}
+static void hclge_restore_pfc_storm_prevention_tout(struct hclge_dev *hdev)
+{
+ struct hnae3_handle *handle = &hdev->vport[0].nic;
+ int ret;
+
+ ret = hclge_enable_pfc_storm_prevent(hdev, HCLGE_DIR_RX, false);
+ if (ret == -EOPNOTSUPP)
+ return;
+ else if (ret)
+ dev_warn(&hdev->pdev->dev,
+ "failed to disable rx pfc storm prevent, ret = %d\n",
+ ret);
+
+ ret = hclge_set_pfc_prevention_tout(handle, hdev->pfc_prevention_tout);
+ if (ret)
+ dev_warn(&hdev->pdev->dev,
+ "failed to set tx pfc storm prevent, ret = %d\n",
+ ret);
+}
+
static int hclge_reset_rebuild(struct hclge_dev *hdev)
{
int ret;
@@ -9278,6 +9414,32 @@ static int hclge_init_wol(struct hclge_dev *hdev)
return hclge_update_wol(hdev);
}
+static void hclge_init_pfc_prevention_tout(struct hclge_dev *hdev)
+{
+ struct hnae3_handle *handle = &hdev->vport[0].nic;
+ u16 times;
+ int ret;
+
+ ret = hclge_enable_pfc_storm_prevent(hdev, HCLGE_DIR_RX, false);
+ if (ret == -EOPNOTSUPP)
+ return;
+ else if (ret)
+ dev_warn(&hdev->pdev->dev,
+ "failed to disable rx pfc storm prevent, ret = %d\n",
+ ret);
+
+ ret = hclge_get_pfc_prevention_tout(handle, &times);
+ if (ret) {
+ dev_warn(&hdev->pdev->dev,
+ "failed to get tx pfc prevention timeout, ret = %d\n",
+ ret);
+ times = HCLGE_DEFAULT_PFC_PREVENTION_TOUT;
+ }
+
+ hdev->pfc_prevention_tout = times;
+ hdev->pfc_prevention_tout_default = times;
+}
+
static void hclge_get_wol(struct hnae3_handle *handle,
struct ethtool_wolinfo *wol)
{
@@ -9547,6 +9709,8 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
dev_warn(&pdev->dev,
"failed to wake on lan init, ret = %d\n", ret);
+ hclge_init_pfc_prevention_tout(hdev);
+
ret = hclge_devlink_init(hdev);
if (ret)
goto err_ptp_uninit;
@@ -9946,6 +10110,8 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev)
dev_warn(&pdev->dev,
"failed to update wol config, ret = %d\n", ret);
+ hclge_restore_pfc_storm_prevention_tout(hdev);
+
dev_info(&pdev->dev, "Reset done, %s driver initialization finished.\n",
HCLGE_DRIVER_NAME);
@@ -9977,6 +10143,10 @@ static void hclge_uninit_ae_dev(struct hnae3_ae_dev *ae_dev)
hclge_config_nic_hw_error(hdev, false);
hclge_config_rocee_ras_interrupt(hdev, false);
+ /* Restore hw default values for the next initialization */
+ hclge_set_pfc_prevention_tout(&hdev->vport->nic,
+ hdev->pfc_prevention_tout_default);
+
hclge_comm_cmd_uninit(hdev->ae_dev, &hdev->hw.hw);
hclge_misc_irq_uninit(hdev);
hclge_devlink_uninit(hdev);
@@ -10539,6 +10709,8 @@ static const struct hnae3_ae_ops hclge_ops = {
.set_wol = hclge_set_wol,
.hwtstamp_get = hclge_ptp_get_cfg,
.hwtstamp_set = hclge_ptp_set_cfg,
+ .set_pfc_prevention_tout = hclge_set_pfc_prevention_tout,
+ .get_pfc_prevention_tout = hclge_get_pfc_prevention_tout,
};
static struct hnae3_ae_algo ae_algo = {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index 7419481422c3..0cee8947f6b4 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -346,6 +346,11 @@ enum hclge_link_fail_code {
#define HCLGE_LINK_STATUS_DOWN 0
#define HCLGE_LINK_STATUS_UP 1
+#define HCLGE_DIR_RX 0
+#define HCLGE_DIR_TX 1
+#define HCLGE_MAX_PFC_PREVENTION_TOUT 2000
+#define HCLGE_DEFAULT_PFC_PREVENTION_TOUT 1000
+
#define HCLGE_PG_NUM 4
#define HCLGE_SCH_MODE_SP 0
#define HCLGE_SCH_MODE_DWRR 1
@@ -898,6 +903,8 @@ struct hclge_dev {
u16 vf_rss_size_max; /* HW defined VF max RSS task queue */
u16 pf_rss_size_max; /* HW defined PF max RSS task queue */
u32 tx_spare_buf_size; /* HW defined TX spare buffer size */
+ u16 pfc_prevention_tout; /* User config, restored after reset */
+ u16 pfc_prevention_tout_default; /* HW default, to avoid stale state */
u16 fdir_pf_filter_count; /* Num of guaranteed filters for this PF */
u16 num_alloc_vport; /* Num vports this driver supports */
diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_tx.c b/drivers/net/ethernet/huawei/hinic3/hinic3_tx.c
index 9306bf0020ca..5739ecb08d0d 100644
--- a/drivers/net/ethernet/huawei/hinic3/hinic3_tx.c
+++ b/drivers/net/ethernet/huawei/hinic3/hinic3_tx.c
@@ -578,8 +578,6 @@ static netdev_tx_t hinic3_send_one_skb(struct sk_buff *skb,
*wqe_combo.task = task;
tx_info = &txq->tx_info[pi];
- tx_info->skb = skb;
- tx_info->wqebb_cnt = wqebb_cnt;
err = hinic3_tx_map_skb(netdev, skb, txq, tx_info, &wqe_combo);
if (err) {
@@ -589,6 +587,9 @@ static netdev_tx_t hinic3_send_one_skb(struct sk_buff *skb,
goto err_drop_pkt;
}
+ tx_info->skb = skb;
+ tx_info->wqebb_cnt = wqebb_cnt;
+
netif_subqueue_sent(netdev, txq->sq->q_id, skb->len);
netif_subqueue_maybe_stop(netdev, txq->sq->q_id,
hinic3_wq_free_wqebbs(&txq->sq->wq),
diff --git a/drivers/net/ethernet/ibm/Kconfig b/drivers/net/ethernet/ibm/Kconfig
index 4f4b23465c47..8e55faac2035 100644
--- a/drivers/net/ethernet/ibm/Kconfig
+++ b/drivers/net/ethernet/ibm/Kconfig
@@ -42,15 +42,6 @@ config IBMVETH_KUNIT_TEST
source "drivers/net/ethernet/ibm/emac/Kconfig"
-config EHEA
- tristate "eHEA Ethernet support"
- depends on IBMEBUS && SPARSEMEM
- help
- This driver supports the IBM pSeries eHEA ethernet adapter.
-
- To compile the driver as a module, choose M here. The module
- will be called ehea.
-
config IBMVNIC
tristate "IBM Virtual NIC support"
depends on PPC_PSERIES
diff --git a/drivers/net/ethernet/ibm/Makefile b/drivers/net/ethernet/ibm/Makefile
index 1d17d0c33d4d..c7e5d891c946 100644
--- a/drivers/net/ethernet/ibm/Makefile
+++ b/drivers/net/ethernet/ibm/Makefile
@@ -6,4 +6,3 @@
obj-$(CONFIG_IBMVETH) += ibmveth.o
obj-$(CONFIG_IBMVNIC) += ibmvnic.o
obj-$(CONFIG_IBM_EMAC) += emac/
-obj-$(CONFIG_EHEA) += ehea/
diff --git a/drivers/net/ethernet/ibm/ehea/Makefile b/drivers/net/ethernet/ibm/ehea/Makefile
deleted file mode 100644
index 9e1e5c7aafe2..000000000000
--- a/drivers/net/ethernet/ibm/ehea/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-#
-# Makefile for the eHEA ethernet device driver for IBM eServer System p
-#
-ehea-y = ehea_main.o ehea_phyp.o ehea_qmr.o ehea_ethtool.o
-obj-$(CONFIG_EHEA) += ehea.o
-
diff --git a/drivers/net/ethernet/ibm/ehea/ehea.h b/drivers/net/ethernet/ibm/ehea/ehea.h
deleted file mode 100644
index 208c440a602b..000000000000
--- a/drivers/net/ethernet/ibm/ehea/ehea.h
+++ /dev/null
@@ -1,477 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * linux/drivers/net/ethernet/ibm/ehea/ehea.h
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- */
-
-#ifndef __EHEA_H__
-#define __EHEA_H__
-
-#include <linux/module.h>
-#include <linux/ethtool.h>
-#include <linux/vmalloc.h>
-#include <linux/if_vlan.h>
-#include <linux/platform_device.h>
-
-#include <asm/ibmebus.h>
-#include <asm/io.h>
-
-#define DRV_NAME "ehea"
-#define DRV_VERSION "EHEA_0107"
-
-/* eHEA capability flags */
-#define DLPAR_PORT_ADD_REM 1
-#define DLPAR_MEM_ADD 2
-#define DLPAR_MEM_REM 4
-#define EHEA_CAPABILITIES (DLPAR_PORT_ADD_REM | DLPAR_MEM_ADD | DLPAR_MEM_REM)
-
-#define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \
- | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR)
-
-#define EHEA_MAX_ENTRIES_RQ1 32767
-#define EHEA_MAX_ENTRIES_RQ2 16383
-#define EHEA_MAX_ENTRIES_RQ3 16383
-#define EHEA_MAX_ENTRIES_SQ 32767
-#define EHEA_MIN_ENTRIES_QP 127
-
-#define EHEA_SMALL_QUEUES
-
-#ifdef EHEA_SMALL_QUEUES
-#define EHEA_MAX_CQE_COUNT 1023
-#define EHEA_DEF_ENTRIES_SQ 1023
-#define EHEA_DEF_ENTRIES_RQ1 1023
-#define EHEA_DEF_ENTRIES_RQ2 1023
-#define EHEA_DEF_ENTRIES_RQ3 511
-#else
-#define EHEA_MAX_CQE_COUNT 4080
-#define EHEA_DEF_ENTRIES_SQ 4080
-#define EHEA_DEF_ENTRIES_RQ1 8160
-#define EHEA_DEF_ENTRIES_RQ2 2040
-#define EHEA_DEF_ENTRIES_RQ3 2040
-#endif
-
-#define EHEA_MAX_ENTRIES_EQ 20
-
-#define EHEA_SG_SQ 2
-#define EHEA_SG_RQ1 1
-#define EHEA_SG_RQ2 0
-#define EHEA_SG_RQ3 0
-
-#define EHEA_MAX_PACKET_SIZE 9022 /* for jumbo frames */
-#define EHEA_RQ2_PKT_SIZE 2048
-#define EHEA_L_PKT_SIZE 256 /* low latency */
-
-/* Send completion signaling */
-
-/* Protection Domain Identifier */
-#define EHEA_PD_ID 0xaabcdeff
-
-#define EHEA_RQ2_THRESHOLD 1
-#define EHEA_RQ3_THRESHOLD 4 /* use RQ3 threshold of 2048 bytes */
-
-#define EHEA_SPEED_10G 10000
-#define EHEA_SPEED_1G 1000
-#define EHEA_SPEED_100M 100
-#define EHEA_SPEED_10M 10
-#define EHEA_SPEED_AUTONEG 0
-
-/* Broadcast/Multicast registration types */
-#define EHEA_BCMC_SCOPE_ALL 0x08
-#define EHEA_BCMC_SCOPE_SINGLE 0x00
-#define EHEA_BCMC_MULTICAST 0x04
-#define EHEA_BCMC_BROADCAST 0x00
-#define EHEA_BCMC_UNTAGGED 0x02
-#define EHEA_BCMC_TAGGED 0x00
-#define EHEA_BCMC_VLANID_ALL 0x01
-#define EHEA_BCMC_VLANID_SINGLE 0x00
-
-#define EHEA_CACHE_LINE 128
-
-/* Memory Regions */
-#define EHEA_MR_ACC_CTRL 0x00800000
-
-#define EHEA_BUSMAP_START 0x8000000000000000ULL
-#define EHEA_INVAL_ADDR 0xFFFFFFFFFFFFFFFFULL
-#define EHEA_DIR_INDEX_SHIFT 13 /* 8k Entries in 64k block */
-#define EHEA_TOP_INDEX_SHIFT (EHEA_DIR_INDEX_SHIFT * 2)
-#define EHEA_MAP_ENTRIES (1 << EHEA_DIR_INDEX_SHIFT)
-#define EHEA_MAP_SIZE (0x10000) /* currently fixed map size */
-#define EHEA_INDEX_MASK (EHEA_MAP_ENTRIES - 1)
-
-
-#define EHEA_WATCH_DOG_TIMEOUT 10*HZ
-
-/* utility functions */
-
-void ehea_dump(void *adr, int len, char *msg);
-
-#define EHEA_BMASK(pos, length) (((pos) << 16) + (length))
-
-#define EHEA_BMASK_IBM(from, to) (((63 - to) << 16) + ((to) - (from) + 1))
-
-#define EHEA_BMASK_SHIFTPOS(mask) (((mask) >> 16) & 0xffff)
-
-#define EHEA_BMASK_MASK(mask) \
- (0xffffffffffffffffULL >> ((64 - (mask)) & 0xffff))
-
-#define EHEA_BMASK_SET(mask, value) \
- ((EHEA_BMASK_MASK(mask) & ((u64)(value))) << EHEA_BMASK_SHIFTPOS(mask))
-
-#define EHEA_BMASK_GET(mask, value) \
- (EHEA_BMASK_MASK(mask) & (((u64)(value)) >> EHEA_BMASK_SHIFTPOS(mask)))
-
-/*
- * Generic ehea page
- */
-struct ehea_page {
- u8 entries[PAGE_SIZE];
-};
-
-/*
- * Generic queue in linux kernel virtual memory
- */
-struct hw_queue {
- u64 current_q_offset; /* current queue entry */
- struct ehea_page **queue_pages; /* array of pages belonging to queue */
- u32 qe_size; /* queue entry size */
- u32 queue_length; /* queue length allocated in bytes */
- u32 pagesize;
- u32 toggle_state; /* toggle flag - per page */
- u32 reserved; /* 64 bit alignment */
-};
-
-/*
- * For pSeries this is a 64bit memory address where
- * I/O memory is mapped into CPU address space
- */
-struct h_epa {
- void __iomem *addr;
-};
-
-struct h_epa_user {
- u64 addr;
-};
-
-struct h_epas {
- struct h_epa kernel; /* kernel space accessible resource,
- set to 0 if unused */
- struct h_epa_user user; /* user space accessible resource
- set to 0 if unused */
-};
-
-/*
- * Memory map data structures
- */
-struct ehea_dir_bmap
-{
- u64 ent[EHEA_MAP_ENTRIES];
-};
-struct ehea_top_bmap
-{
- struct ehea_dir_bmap *dir[EHEA_MAP_ENTRIES];
-};
-struct ehea_bmap
-{
- struct ehea_top_bmap *top[EHEA_MAP_ENTRIES];
-};
-
-struct ehea_qp;
-struct ehea_cq;
-struct ehea_eq;
-struct ehea_port;
-struct ehea_av;
-
-/*
- * Queue attributes passed to ehea_create_qp()
- */
-struct ehea_qp_init_attr {
- /* input parameter */
- u32 qp_token; /* queue token */
- u8 low_lat_rq1;
- u8 signalingtype; /* cqe generation flag */
- u8 rq_count; /* num of receive queues */
- u8 eqe_gen; /* eqe generation flag */
- u16 max_nr_send_wqes; /* max number of send wqes */
- u16 max_nr_rwqes_rq1; /* max number of receive wqes */
- u16 max_nr_rwqes_rq2;
- u16 max_nr_rwqes_rq3;
- u8 wqe_size_enc_sq;
- u8 wqe_size_enc_rq1;
- u8 wqe_size_enc_rq2;
- u8 wqe_size_enc_rq3;
- u8 swqe_imm_data_len; /* immediate data length for swqes */
- u16 port_nr;
- u16 rq2_threshold;
- u16 rq3_threshold;
- u64 send_cq_handle;
- u64 recv_cq_handle;
- u64 aff_eq_handle;
-
- /* output parameter */
- u32 qp_nr;
- u16 act_nr_send_wqes;
- u16 act_nr_rwqes_rq1;
- u16 act_nr_rwqes_rq2;
- u16 act_nr_rwqes_rq3;
- u8 act_wqe_size_enc_sq;
- u8 act_wqe_size_enc_rq1;
- u8 act_wqe_size_enc_rq2;
- u8 act_wqe_size_enc_rq3;
- u32 nr_sq_pages;
- u32 nr_rq1_pages;
- u32 nr_rq2_pages;
- u32 nr_rq3_pages;
- u32 liobn_sq;
- u32 liobn_rq1;
- u32 liobn_rq2;
- u32 liobn_rq3;
-};
-
-/*
- * Event Queue attributes, passed as parameter
- */
-struct ehea_eq_attr {
- u32 type;
- u32 max_nr_of_eqes;
- u8 eqe_gen; /* generate eqe flag */
- u64 eq_handle;
- u32 act_nr_of_eqes;
- u32 nr_pages;
- u32 ist1; /* Interrupt service token */
- u32 ist2;
- u32 ist3;
- u32 ist4;
-};
-
-
-/*
- * Event Queue
- */
-struct ehea_eq {
- struct ehea_adapter *adapter;
- struct hw_queue hw_queue;
- u64 fw_handle;
- struct h_epas epas;
- spinlock_t spinlock;
- struct ehea_eq_attr attr;
-};
-
-/*
- * HEA Queues
- */
-struct ehea_qp {
- struct ehea_adapter *adapter;
- u64 fw_handle; /* QP handle for firmware calls */
- struct hw_queue hw_squeue;
- struct hw_queue hw_rqueue1;
- struct hw_queue hw_rqueue2;
- struct hw_queue hw_rqueue3;
- struct h_epas epas;
- struct ehea_qp_init_attr init_attr;
-};
-
-/*
- * Completion Queue attributes
- */
-struct ehea_cq_attr {
- /* input parameter */
- u32 max_nr_of_cqes;
- u32 cq_token;
- u64 eq_handle;
-
- /* output parameter */
- u32 act_nr_of_cqes;
- u32 nr_pages;
-};
-
-/*
- * Completion Queue
- */
-struct ehea_cq {
- struct ehea_adapter *adapter;
- u64 fw_handle;
- struct hw_queue hw_queue;
- struct h_epas epas;
- struct ehea_cq_attr attr;
-};
-
-/*
- * Memory Region
- */
-struct ehea_mr {
- struct ehea_adapter *adapter;
- u64 handle;
- u64 vaddr;
- u32 lkey;
-};
-
-/*
- * Port state information
- */
-struct port_stats {
- int poll_receive_errors;
- int queue_stopped;
- int err_tcp_cksum;
- int err_ip_cksum;
- int err_frame_crc;
-};
-
-#define EHEA_IRQ_NAME_SIZE 20
-
-/*
- * Queue SKB Array
- */
-struct ehea_q_skb_arr {
- struct sk_buff **arr; /* skb array for queue */
- int len; /* array length */
- int index; /* array index */
- int os_skbs; /* rq2/rq3 only: outstanding skbs */
-};
-
-/*
- * Port resources
- */
-struct ehea_port_res {
- struct napi_struct napi;
- struct port_stats p_stats;
- struct ehea_mr send_mr; /* send memory region */
- struct ehea_mr recv_mr; /* receive memory region */
- struct ehea_port *port;
- char int_recv_name[EHEA_IRQ_NAME_SIZE];
- char int_send_name[EHEA_IRQ_NAME_SIZE];
- struct ehea_qp *qp;
- struct ehea_cq *send_cq;
- struct ehea_cq *recv_cq;
- struct ehea_eq *eq;
- struct ehea_q_skb_arr rq1_skba;
- struct ehea_q_skb_arr rq2_skba;
- struct ehea_q_skb_arr rq3_skba;
- struct ehea_q_skb_arr sq_skba;
- int sq_skba_size;
- int swqe_refill_th;
- atomic_t swqe_avail;
- int swqe_ll_count;
- u32 swqe_id_counter;
- u64 tx_packets;
- u64 tx_bytes;
- u64 rx_packets;
- u64 rx_bytes;
- int sq_restart_flag;
-};
-
-
-#define EHEA_MAX_PORTS 16
-
-#define EHEA_NUM_PORTRES_FW_HANDLES 6 /* QP handle, SendCQ handle,
- RecvCQ handle, EQ handle,
- SendMR handle, RecvMR handle */
-#define EHEA_NUM_PORT_FW_HANDLES 1 /* EQ handle */
-#define EHEA_NUM_ADAPTER_FW_HANDLES 2 /* MR handle, NEQ handle */
-
-struct ehea_adapter {
- u64 handle;
- struct platform_device *ofdev;
- struct ehea_port *port[EHEA_MAX_PORTS];
- struct ehea_eq *neq; /* notification event queue */
- struct tasklet_struct neq_tasklet;
- struct ehea_mr mr;
- u32 pd; /* protection domain */
- u64 max_mc_mac; /* max number of multicast mac addresses */
- int active_ports;
- struct list_head list;
-};
-
-
-struct ehea_mc_list {
- struct list_head list;
- u64 macaddr;
-};
-
-/* kdump support */
-struct ehea_fw_handle_entry {
- u64 adh; /* Adapter Handle */
- u64 fwh; /* Firmware Handle */
-};
-
-struct ehea_fw_handle_array {
- struct ehea_fw_handle_entry *arr;
- int num_entries;
- struct mutex lock;
-};
-
-struct ehea_bcmc_reg_entry {
- u64 adh; /* Adapter Handle */
- u32 port_id; /* Logical Port Id */
- u8 reg_type; /* Registration Type */
- u64 macaddr;
-};
-
-struct ehea_bcmc_reg_array {
- struct ehea_bcmc_reg_entry *arr;
- int num_entries;
- spinlock_t lock;
-};
-
-#define EHEA_PORT_UP 1
-#define EHEA_PORT_DOWN 0
-#define EHEA_PHY_LINK_UP 1
-#define EHEA_PHY_LINK_DOWN 0
-#define EHEA_MAX_PORT_RES 16
-struct ehea_port {
- struct ehea_adapter *adapter; /* adapter that owns this port */
- struct net_device *netdev;
- struct rtnl_link_stats64 stats;
- struct ehea_port_res port_res[EHEA_MAX_PORT_RES];
- struct platform_device ofdev; /* Open Firmware Device */
- struct ehea_mc_list *mc_list; /* Multicast MAC addresses */
- struct ehea_eq *qp_eq;
- struct work_struct reset_task;
- struct delayed_work stats_work;
- struct mutex port_lock;
- char int_aff_name[EHEA_IRQ_NAME_SIZE];
- int allmulti; /* Indicates IFF_ALLMULTI state */
- int promisc; /* Indicates IFF_PROMISC state */
- int num_mcs;
- int resets;
- unsigned long flags;
- u64 mac_addr;
- u32 logical_port_id;
- u32 port_speed;
- u32 msg_enable;
- u32 sig_comp_iv;
- u32 state;
- u8 phy_link;
- u8 full_duplex;
- u8 autoneg;
- u8 num_def_qps;
- wait_queue_head_t swqe_avail_wq;
- wait_queue_head_t restart_wq;
-};
-
-struct port_res_cfg {
- int max_entries_rcq;
- int max_entries_scq;
- int max_entries_sq;
- int max_entries_rq1;
- int max_entries_rq2;
- int max_entries_rq3;
-};
-
-enum ehea_flag_bits {
- __EHEA_STOP_XFER,
- __EHEA_DISABLE_PORT_RESET
-};
-
-void ehea_set_ethtool_ops(struct net_device *netdev);
-int ehea_sense_port_attr(struct ehea_port *port);
-int ehea_set_portspeed(struct ehea_port *port, u32 port_speed);
-
-#endif /* __EHEA_H__ */
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c b/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
deleted file mode 100644
index 1db5b6790a41..000000000000
--- a/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
+++ /dev/null
@@ -1,277 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * linux/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include "ehea.h"
-#include "ehea_phyp.h"
-
-static int ehea_get_link_ksettings(struct net_device *dev,
- struct ethtool_link_ksettings *cmd)
-{
- struct ehea_port *port = netdev_priv(dev);
- u32 supported, advertising;
- u32 speed;
- int ret;
-
- ret = ehea_sense_port_attr(port);
-
- if (ret)
- return ret;
-
- if (netif_carrier_ok(dev)) {
- switch (port->port_speed) {
- case EHEA_SPEED_10M:
- speed = SPEED_10;
- break;
- case EHEA_SPEED_100M:
- speed = SPEED_100;
- break;
- case EHEA_SPEED_1G:
- speed = SPEED_1000;
- break;
- case EHEA_SPEED_10G:
- speed = SPEED_10000;
- break;
- default:
- speed = -1;
- break; /* BUG */
- }
- cmd->base.duplex = port->full_duplex == 1 ?
- DUPLEX_FULL : DUPLEX_HALF;
- } else {
- speed = SPEED_UNKNOWN;
- cmd->base.duplex = DUPLEX_UNKNOWN;
- }
- cmd->base.speed = speed;
-
- if (cmd->base.speed == SPEED_10000) {
- supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
- advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
- cmd->base.port = PORT_FIBRE;
- } else {
- supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full
- | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full
- | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg
- | SUPPORTED_TP);
- advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg
- | ADVERTISED_TP);
- cmd->base.port = PORT_TP;
- }
-
- cmd->base.autoneg = port->autoneg == 1 ?
- AUTONEG_ENABLE : AUTONEG_DISABLE;
-
- ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
- supported);
- ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
- advertising);
-
- return 0;
-}
-
-static int ehea_set_link_ksettings(struct net_device *dev,
- const struct ethtool_link_ksettings *cmd)
-{
- struct ehea_port *port = netdev_priv(dev);
- int ret = 0;
- u32 sp;
-
- if (cmd->base.autoneg == AUTONEG_ENABLE) {
- sp = EHEA_SPEED_AUTONEG;
- goto doit;
- }
-
- switch (cmd->base.speed) {
- case SPEED_10:
- if (cmd->base.duplex == DUPLEX_FULL)
- sp = H_SPEED_10M_F;
- else
- sp = H_SPEED_10M_H;
- break;
-
- case SPEED_100:
- if (cmd->base.duplex == DUPLEX_FULL)
- sp = H_SPEED_100M_F;
- else
- sp = H_SPEED_100M_H;
- break;
-
- case SPEED_1000:
- if (cmd->base.duplex == DUPLEX_FULL)
- sp = H_SPEED_1G_F;
- else
- ret = -EINVAL;
- break;
-
- case SPEED_10000:
- if (cmd->base.duplex == DUPLEX_FULL)
- sp = H_SPEED_10G_F;
- else
- ret = -EINVAL;
- break;
-
- default:
- ret = -EINVAL;
- break;
- }
-
- if (ret)
- goto out;
-doit:
- ret = ehea_set_portspeed(port, sp);
-
- if (!ret)
- netdev_info(dev,
- "Port speed successfully set: %dMbps %s Duplex\n",
- port->port_speed,
- port->full_duplex == 1 ? "Full" : "Half");
-out:
- return ret;
-}
-
-static int ehea_nway_reset(struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- int ret;
-
- ret = ehea_set_portspeed(port, EHEA_SPEED_AUTONEG);
-
- if (!ret)
- netdev_info(port->netdev,
- "Port speed successfully set: %dMbps %s Duplex\n",
- port->port_speed,
- port->full_duplex == 1 ? "Full" : "Half");
- return ret;
-}
-
-static void ehea_get_drvinfo(struct net_device *dev,
- struct ethtool_drvinfo *info)
-{
- strscpy(info->driver, DRV_NAME, sizeof(info->driver));
- strscpy(info->version, DRV_VERSION, sizeof(info->version));
-}
-
-static u32 ehea_get_msglevel(struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- return port->msg_enable;
-}
-
-static void ehea_set_msglevel(struct net_device *dev, u32 value)
-{
- struct ehea_port *port = netdev_priv(dev);
- port->msg_enable = value;
-}
-
-static const char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = {
- {"sig_comp_iv"},
- {"swqe_refill_th"},
- {"port resets"},
- {"Receive errors"},
- {"TCP cksum errors"},
- {"IP cksum errors"},
- {"Frame cksum errors"},
- {"num SQ stopped"},
- {"PR0 free_swqes"},
- {"PR1 free_swqes"},
- {"PR2 free_swqes"},
- {"PR3 free_swqes"},
- {"PR4 free_swqes"},
- {"PR5 free_swqes"},
- {"PR6 free_swqes"},
- {"PR7 free_swqes"},
- {"PR8 free_swqes"},
- {"PR9 free_swqes"},
- {"PR10 free_swqes"},
- {"PR11 free_swqes"},
- {"PR12 free_swqes"},
- {"PR13 free_swqes"},
- {"PR14 free_swqes"},
- {"PR15 free_swqes"},
-};
-
-static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data)
-{
- if (stringset == ETH_SS_STATS) {
- memcpy(data, &ehea_ethtool_stats_keys,
- sizeof(ehea_ethtool_stats_keys));
- }
-}
-
-static int ehea_get_sset_count(struct net_device *dev, int sset)
-{
- switch (sset) {
- case ETH_SS_STATS:
- return ARRAY_SIZE(ehea_ethtool_stats_keys);
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static void ehea_get_ethtool_stats(struct net_device *dev,
- struct ethtool_stats *stats, u64 *data)
-{
- int i, k, tmp;
- struct ehea_port *port = netdev_priv(dev);
-
- for (i = 0; i < ehea_get_sset_count(dev, ETH_SS_STATS); i++)
- data[i] = 0;
- i = 0;
-
- data[i++] = port->sig_comp_iv;
- data[i++] = port->port_res[0].swqe_refill_th;
- data[i++] = port->resets;
-
- for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
- tmp += port->port_res[k].p_stats.poll_receive_errors;
- data[i++] = tmp;
-
- for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
- tmp += port->port_res[k].p_stats.err_tcp_cksum;
- data[i++] = tmp;
-
- for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
- tmp += port->port_res[k].p_stats.err_ip_cksum;
- data[i++] = tmp;
-
- for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
- tmp += port->port_res[k].p_stats.err_frame_crc;
- data[i++] = tmp;
-
- for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
- tmp += port->port_res[k].p_stats.queue_stopped;
- data[i++] = tmp;
-
- for (k = 0; k < 16; k++)
- data[i++] = atomic_read(&port->port_res[k].swqe_avail);
-}
-
-static const struct ethtool_ops ehea_ethtool_ops = {
- .get_drvinfo = ehea_get_drvinfo,
- .get_msglevel = ehea_get_msglevel,
- .set_msglevel = ehea_set_msglevel,
- .get_link = ethtool_op_get_link,
- .get_strings = ehea_get_strings,
- .get_sset_count = ehea_get_sset_count,
- .get_ethtool_stats = ehea_get_ethtool_stats,
- .nway_reset = ehea_nway_reset, /* Restart autonegotiation */
- .get_link_ksettings = ehea_get_link_ksettings,
- .set_link_ksettings = ehea_set_link_ksettings,
-};
-
-void ehea_set_ethtool_ops(struct net_device *netdev)
-{
- netdev->ethtool_ops = &ehea_ethtool_ops;
-}
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_hw.h b/drivers/net/ethernet/ibm/ehea/ehea_hw.h
deleted file mode 100644
index 590933a45d65..000000000000
--- a/drivers/net/ethernet/ibm/ehea/ehea_hw.h
+++ /dev/null
@@ -1,253 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * linux/drivers/net/ethernet/ibm/ehea/ehea_hw.h
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- */
-
-#ifndef __EHEA_HW_H__
-#define __EHEA_HW_H__
-
-#define QPX_SQA_VALUE EHEA_BMASK_IBM(48, 63)
-#define QPX_RQ1A_VALUE EHEA_BMASK_IBM(48, 63)
-#define QPX_RQ2A_VALUE EHEA_BMASK_IBM(48, 63)
-#define QPX_RQ3A_VALUE EHEA_BMASK_IBM(48, 63)
-
-#define QPTEMM_OFFSET(x) offsetof(struct ehea_qptemm, x)
-
-struct ehea_qptemm {
- u64 qpx_hcr;
- u64 qpx_c;
- u64 qpx_herr;
- u64 qpx_aer;
- u64 qpx_sqa;
- u64 qpx_sqc;
- u64 qpx_rq1a;
- u64 qpx_rq1c;
- u64 qpx_st;
- u64 qpx_aerr;
- u64 qpx_tenure;
- u64 qpx_reserved1[(0x098 - 0x058) / 8];
- u64 qpx_portp;
- u64 qpx_reserved2[(0x100 - 0x0A0) / 8];
- u64 qpx_t;
- u64 qpx_sqhp;
- u64 qpx_sqptp;
- u64 qpx_reserved3[(0x140 - 0x118) / 8];
- u64 qpx_sqwsize;
- u64 qpx_reserved4[(0x170 - 0x148) / 8];
- u64 qpx_sqsize;
- u64 qpx_reserved5[(0x1B0 - 0x178) / 8];
- u64 qpx_sigt;
- u64 qpx_wqecnt;
- u64 qpx_rq1hp;
- u64 qpx_rq1ptp;
- u64 qpx_rq1size;
- u64 qpx_reserved6[(0x220 - 0x1D8) / 8];
- u64 qpx_rq1wsize;
- u64 qpx_reserved7[(0x240 - 0x228) / 8];
- u64 qpx_pd;
- u64 qpx_scqn;
- u64 qpx_rcqn;
- u64 qpx_aeqn;
- u64 reserved49;
- u64 qpx_ram;
- u64 qpx_reserved8[(0x300 - 0x270) / 8];
- u64 qpx_rq2a;
- u64 qpx_rq2c;
- u64 qpx_rq2hp;
- u64 qpx_rq2ptp;
- u64 qpx_rq2size;
- u64 qpx_rq2wsize;
- u64 qpx_rq2th;
- u64 qpx_rq3a;
- u64 qpx_rq3c;
- u64 qpx_rq3hp;
- u64 qpx_rq3ptp;
- u64 qpx_rq3size;
- u64 qpx_rq3wsize;
- u64 qpx_rq3th;
- u64 qpx_lpn;
- u64 qpx_reserved9[(0x400 - 0x378) / 8];
- u64 reserved_ext[(0x500 - 0x400) / 8];
- u64 reserved2[(0x1000 - 0x500) / 8];
-};
-
-#define MRx_HCR_LPARID_VALID EHEA_BMASK_IBM(0, 0)
-
-#define MRMWMM_OFFSET(x) offsetof(struct ehea_mrmwmm, x)
-
-struct ehea_mrmwmm {
- u64 mrx_hcr;
- u64 mrx_c;
- u64 mrx_herr;
- u64 mrx_aer;
- u64 mrx_pp;
- u64 reserved1;
- u64 reserved2;
- u64 reserved3;
- u64 reserved4[(0x200 - 0x40) / 8];
- u64 mrx_ctl[64];
-};
-
-#define QPEDMM_OFFSET(x) offsetof(struct ehea_qpedmm, x)
-
-struct ehea_qpedmm {
-
- u64 reserved0[(0x400) / 8];
- u64 qpedx_phh;
- u64 qpedx_ppsgp;
- u64 qpedx_ppsgu;
- u64 qpedx_ppdgp;
- u64 qpedx_ppdgu;
- u64 qpedx_aph;
- u64 qpedx_apsgp;
- u64 qpedx_apsgu;
- u64 qpedx_apdgp;
- u64 qpedx_apdgu;
- u64 qpedx_apav;
- u64 qpedx_apsav;
- u64 qpedx_hcr;
- u64 reserved1[4];
- u64 qpedx_rrl0;
- u64 qpedx_rrrkey0;
- u64 qpedx_rrva0;
- u64 reserved2;
- u64 qpedx_rrl1;
- u64 qpedx_rrrkey1;
- u64 qpedx_rrva1;
- u64 reserved3;
- u64 qpedx_rrl2;
- u64 qpedx_rrrkey2;
- u64 qpedx_rrva2;
- u64 reserved4;
- u64 qpedx_rrl3;
- u64 qpedx_rrrkey3;
- u64 qpedx_rrva3;
-};
-
-#define CQX_FECADDER EHEA_BMASK_IBM(32, 63)
-#define CQX_FEC_CQE_CNT EHEA_BMASK_IBM(32, 63)
-#define CQX_N1_GENERATE_COMP_EVENT EHEA_BMASK_IBM(0, 0)
-#define CQX_EP_EVENT_PENDING EHEA_BMASK_IBM(0, 0)
-
-#define CQTEMM_OFFSET(x) offsetof(struct ehea_cqtemm, x)
-
-struct ehea_cqtemm {
- u64 cqx_hcr;
- u64 cqx_c;
- u64 cqx_herr;
- u64 cqx_aer;
- u64 cqx_ptp;
- u64 cqx_tp;
- u64 cqx_fec;
- u64 cqx_feca;
- u64 cqx_ep;
- u64 cqx_eq;
- u64 reserved1;
- u64 cqx_n0;
- u64 cqx_n1;
- u64 reserved2[(0x1000 - 0x60) / 8];
-};
-
-#define EQTEMM_OFFSET(x) offsetof(struct ehea_eqtemm, x)
-
-struct ehea_eqtemm {
- u64 eqx_hcr;
- u64 eqx_c;
- u64 eqx_herr;
- u64 eqx_aer;
- u64 eqx_ptp;
- u64 eqx_tp;
- u64 eqx_ssba;
- u64 eqx_psba;
- u64 eqx_cec;
- u64 eqx_meql;
- u64 eqx_xisbi;
- u64 eqx_xisc;
- u64 eqx_it;
-};
-
-/*
- * These access functions will be changed when the dissuccsion about
- * the new access methods for POWER has settled.
- */
-
-static inline u64 epa_load(struct h_epa epa, u32 offset)
-{
- return __raw_readq((void __iomem *)(epa.addr + offset));
-}
-
-static inline void epa_store(struct h_epa epa, u32 offset, u64 value)
-{
- __raw_writeq(value, (void __iomem *)(epa.addr + offset));
- epa_load(epa, offset); /* synchronize explicitly to eHEA */
-}
-
-static inline void epa_store_acc(struct h_epa epa, u32 offset, u64 value)
-{
- __raw_writeq(value, (void __iomem *)(epa.addr + offset));
-}
-
-#define epa_store_cq(epa, offset, value)\
- epa_store(epa, CQTEMM_OFFSET(offset), value)
-#define epa_load_cq(epa, offset)\
- epa_load(epa, CQTEMM_OFFSET(offset))
-
-static inline void ehea_update_sqa(struct ehea_qp *qp, u16 nr_wqes)
-{
- struct h_epa epa = qp->epas.kernel;
- epa_store_acc(epa, QPTEMM_OFFSET(qpx_sqa),
- EHEA_BMASK_SET(QPX_SQA_VALUE, nr_wqes));
-}
-
-static inline void ehea_update_rq3a(struct ehea_qp *qp, u16 nr_wqes)
-{
- struct h_epa epa = qp->epas.kernel;
- epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq3a),
- EHEA_BMASK_SET(QPX_RQ1A_VALUE, nr_wqes));
-}
-
-static inline void ehea_update_rq2a(struct ehea_qp *qp, u16 nr_wqes)
-{
- struct h_epa epa = qp->epas.kernel;
- epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq2a),
- EHEA_BMASK_SET(QPX_RQ2A_VALUE, nr_wqes));
-}
-
-static inline void ehea_update_rq1a(struct ehea_qp *qp, u16 nr_wqes)
-{
- struct h_epa epa = qp->epas.kernel;
- epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq1a),
- EHEA_BMASK_SET(QPX_RQ3A_VALUE, nr_wqes));
-}
-
-static inline void ehea_update_feca(struct ehea_cq *cq, u32 nr_cqes)
-{
- struct h_epa epa = cq->epas.kernel;
- epa_store_acc(epa, CQTEMM_OFFSET(cqx_feca),
- EHEA_BMASK_SET(CQX_FECADDER, nr_cqes));
-}
-
-static inline void ehea_reset_cq_n1(struct ehea_cq *cq)
-{
- struct h_epa epa = cq->epas.kernel;
- epa_store_cq(epa, cqx_n1,
- EHEA_BMASK_SET(CQX_N1_GENERATE_COMP_EVENT, 1));
-}
-
-static inline void ehea_reset_cq_ep(struct ehea_cq *my_cq)
-{
- struct h_epa epa = my_cq->epas.kernel;
- epa_store_acc(epa, CQTEMM_OFFSET(cqx_ep),
- EHEA_BMASK_SET(CQX_EP_EVENT_PENDING, 0));
-}
-
-#endif /* __EHEA_HW_H__ */
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
deleted file mode 100644
index bfc8699a05b9..000000000000
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ /dev/null
@@ -1,3581 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * linux/drivers/net/ethernet/ibm/ehea/ehea_main.c
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/device.h>
-#include <linux/in.h>
-#include <linux/ip.h>
-#include <linux/tcp.h>
-#include <linux/udp.h>
-#include <linux/if.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/if_ether.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
-#include <linux/memory.h>
-#include <asm/kexec.h>
-#include <linux/mutex.h>
-#include <linux/prefetch.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/platform_device.h>
-
-#include <net/ip.h>
-
-#include "ehea.h"
-#include "ehea_qmr.h"
-#include "ehea_phyp.h"
-
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>");
-MODULE_DESCRIPTION("IBM eServer HEA Driver");
-MODULE_VERSION(DRV_VERSION);
-
-
-static int msg_level = -1;
-static int rq1_entries = EHEA_DEF_ENTRIES_RQ1;
-static int rq2_entries = EHEA_DEF_ENTRIES_RQ2;
-static int rq3_entries = EHEA_DEF_ENTRIES_RQ3;
-static int sq_entries = EHEA_DEF_ENTRIES_SQ;
-static int use_mcs = 1;
-static int prop_carrier_state;
-
-module_param(msg_level, int, 0);
-module_param(rq1_entries, int, 0);
-module_param(rq2_entries, int, 0);
-module_param(rq3_entries, int, 0);
-module_param(sq_entries, int, 0);
-module_param(prop_carrier_state, int, 0);
-module_param(use_mcs, int, 0);
-
-MODULE_PARM_DESC(msg_level, "msg_level");
-MODULE_PARM_DESC(prop_carrier_state, "Propagate carrier state of physical "
- "port to stack. 1:yes, 0:no. Default = 0 ");
-MODULE_PARM_DESC(rq3_entries, "Number of entries for Receive Queue 3 "
- "[2^x - 1], x = [7..14]. Default = "
- __MODULE_STRING(EHEA_DEF_ENTRIES_RQ3) ")");
-MODULE_PARM_DESC(rq2_entries, "Number of entries for Receive Queue 2 "
- "[2^x - 1], x = [7..14]. Default = "
- __MODULE_STRING(EHEA_DEF_ENTRIES_RQ2) ")");
-MODULE_PARM_DESC(rq1_entries, "Number of entries for Receive Queue 1 "
- "[2^x - 1], x = [7..14]. Default = "
- __MODULE_STRING(EHEA_DEF_ENTRIES_RQ1) ")");
-MODULE_PARM_DESC(sq_entries, " Number of entries for the Send Queue "
- "[2^x - 1], x = [7..14]. Default = "
- __MODULE_STRING(EHEA_DEF_ENTRIES_SQ) ")");
-MODULE_PARM_DESC(use_mcs, " Multiple receive queues, 1: enable, 0: disable, "
- "Default = 1");
-
-static int port_name_cnt;
-static LIST_HEAD(adapter_list);
-static unsigned long ehea_driver_flags;
-static DEFINE_MUTEX(dlpar_mem_lock);
-static struct ehea_fw_handle_array ehea_fw_handles;
-static struct ehea_bcmc_reg_array ehea_bcmc_regs;
-
-
-static int ehea_probe_adapter(struct platform_device *dev);
-
-static void ehea_remove(struct platform_device *dev);
-
-static const struct of_device_id ehea_module_device_table[] = {
- {
- .name = "lhea",
- .compatible = "IBM,lhea",
- },
- {
- .type = "network",
- .compatible = "IBM,lhea-ethernet",
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, ehea_module_device_table);
-
-static const struct of_device_id ehea_device_table[] = {
- {
- .name = "lhea",
- .compatible = "IBM,lhea",
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, ehea_device_table);
-
-static struct platform_driver ehea_driver = {
- .driver = {
- .name = "ehea",
- .owner = THIS_MODULE,
- .of_match_table = ehea_device_table,
- },
- .probe = ehea_probe_adapter,
- .remove = ehea_remove,
-};
-
-void ehea_dump(void *adr, int len, char *msg)
-{
- int x;
- unsigned char *deb = adr;
- for (x = 0; x < len; x += 16) {
- pr_info("%s adr=%p ofs=%04x %016llx %016llx\n",
- msg, deb, x, *((u64 *)&deb[0]), *((u64 *)&deb[8]));
- deb += 16;
- }
-}
-
-static void ehea_schedule_port_reset(struct ehea_port *port)
-{
- if (!test_bit(__EHEA_DISABLE_PORT_RESET, &port->flags))
- schedule_work(&port->reset_task);
-}
-
-static void ehea_update_firmware_handles(void)
-{
- struct ehea_fw_handle_entry *arr = NULL;
- struct ehea_adapter *adapter;
- int num_adapters = 0;
- int num_ports = 0;
- int num_portres = 0;
- int i = 0;
- int num_fw_handles, k, l;
-
- /* Determine number of handles */
- mutex_lock(&ehea_fw_handles.lock);
-
- list_for_each_entry(adapter, &adapter_list, list) {
- num_adapters++;
-
- for (k = 0; k < EHEA_MAX_PORTS; k++) {
- struct ehea_port *port = adapter->port[k];
-
- if (!port || (port->state != EHEA_PORT_UP))
- continue;
-
- num_ports++;
- num_portres += port->num_def_qps;
- }
- }
-
- num_fw_handles = num_adapters * EHEA_NUM_ADAPTER_FW_HANDLES +
- num_ports * EHEA_NUM_PORT_FW_HANDLES +
- num_portres * EHEA_NUM_PORTRES_FW_HANDLES;
-
- if (num_fw_handles) {
- arr = kzalloc_objs(*arr, num_fw_handles);
- if (!arr)
- goto out; /* Keep the existing array */
- } else
- goto out_update;
-
- list_for_each_entry(adapter, &adapter_list, list) {
- if (num_adapters == 0)
- break;
-
- for (k = 0; k < EHEA_MAX_PORTS; k++) {
- struct ehea_port *port = adapter->port[k];
-
- if (!port || (port->state != EHEA_PORT_UP) ||
- (num_ports == 0))
- continue;
-
- for (l = 0; l < port->num_def_qps; l++) {
- struct ehea_port_res *pr = &port->port_res[l];
-
- arr[i].adh = adapter->handle;
- arr[i++].fwh = pr->qp->fw_handle;
- arr[i].adh = adapter->handle;
- arr[i++].fwh = pr->send_cq->fw_handle;
- arr[i].adh = adapter->handle;
- arr[i++].fwh = pr->recv_cq->fw_handle;
- arr[i].adh = adapter->handle;
- arr[i++].fwh = pr->eq->fw_handle;
- arr[i].adh = adapter->handle;
- arr[i++].fwh = pr->send_mr.handle;
- arr[i].adh = adapter->handle;
- arr[i++].fwh = pr->recv_mr.handle;
- }
- arr[i].adh = adapter->handle;
- arr[i++].fwh = port->qp_eq->fw_handle;
- num_ports--;
- }
-
- arr[i].adh = adapter->handle;
- arr[i++].fwh = adapter->neq->fw_handle;
-
- if (adapter->mr.handle) {
- arr[i].adh = adapter->handle;
- arr[i++].fwh = adapter->mr.handle;
- }
- num_adapters--;
- }
-
-out_update:
- kfree(ehea_fw_handles.arr);
- ehea_fw_handles.arr = arr;
- ehea_fw_handles.num_entries = i;
-out:
- mutex_unlock(&ehea_fw_handles.lock);
-}
-
-static void ehea_update_bcmc_registrations(void)
-{
- unsigned long flags;
- struct ehea_bcmc_reg_entry *arr = NULL;
- struct ehea_adapter *adapter;
- struct ehea_mc_list *mc_entry;
- int num_registrations = 0;
- int i = 0;
- int k;
-
- spin_lock_irqsave(&ehea_bcmc_regs.lock, flags);
-
- /* Determine number of registrations */
- list_for_each_entry(adapter, &adapter_list, list)
- for (k = 0; k < EHEA_MAX_PORTS; k++) {
- struct ehea_port *port = adapter->port[k];
-
- if (!port || (port->state != EHEA_PORT_UP))
- continue;
-
- num_registrations += 2; /* Broadcast registrations */
-
- list_for_each_entry(mc_entry, &port->mc_list->list,list)
- num_registrations += 2;
- }
-
- if (num_registrations) {
- arr = kzalloc_objs(*arr, num_registrations, GFP_ATOMIC);
- if (!arr)
- goto out; /* Keep the existing array */
- } else
- goto out_update;
-
- list_for_each_entry(adapter, &adapter_list, list) {
- for (k = 0; k < EHEA_MAX_PORTS; k++) {
- struct ehea_port *port = adapter->port[k];
-
- if (!port || (port->state != EHEA_PORT_UP))
- continue;
-
- if (num_registrations == 0)
- goto out_update;
-
- arr[i].adh = adapter->handle;
- arr[i].port_id = port->logical_port_id;
- arr[i].reg_type = EHEA_BCMC_BROADCAST |
- EHEA_BCMC_UNTAGGED;
- arr[i++].macaddr = port->mac_addr;
-
- arr[i].adh = adapter->handle;
- arr[i].port_id = port->logical_port_id;
- arr[i].reg_type = EHEA_BCMC_BROADCAST |
- EHEA_BCMC_VLANID_ALL;
- arr[i++].macaddr = port->mac_addr;
- num_registrations -= 2;
-
- list_for_each_entry(mc_entry,
- &port->mc_list->list, list) {
- if (num_registrations == 0)
- goto out_update;
-
- arr[i].adh = adapter->handle;
- arr[i].port_id = port->logical_port_id;
- arr[i].reg_type = EHEA_BCMC_MULTICAST |
- EHEA_BCMC_UNTAGGED;
- if (mc_entry->macaddr == 0)
- arr[i].reg_type |= EHEA_BCMC_SCOPE_ALL;
- arr[i++].macaddr = mc_entry->macaddr;
-
- arr[i].adh = adapter->handle;
- arr[i].port_id = port->logical_port_id;
- arr[i].reg_type = EHEA_BCMC_MULTICAST |
- EHEA_BCMC_VLANID_ALL;
- if (mc_entry->macaddr == 0)
- arr[i].reg_type |= EHEA_BCMC_SCOPE_ALL;
- arr[i++].macaddr = mc_entry->macaddr;
- num_registrations -= 2;
- }
- }
- }
-
-out_update:
- kfree(ehea_bcmc_regs.arr);
- ehea_bcmc_regs.arr = arr;
- ehea_bcmc_regs.num_entries = i;
-out:
- spin_unlock_irqrestore(&ehea_bcmc_regs.lock, flags);
-}
-
-static void ehea_get_stats64(struct net_device *dev,
- struct rtnl_link_stats64 *stats)
-{
- struct ehea_port *port = netdev_priv(dev);
- u64 rx_packets = 0, tx_packets = 0, rx_bytes = 0, tx_bytes = 0;
- int i;
-
- for (i = 0; i < port->num_def_qps; i++) {
- rx_packets += port->port_res[i].rx_packets;
- rx_bytes += port->port_res[i].rx_bytes;
- }
-
- for (i = 0; i < port->num_def_qps; i++) {
- tx_packets += port->port_res[i].tx_packets;
- tx_bytes += port->port_res[i].tx_bytes;
- }
-
- stats->tx_packets = tx_packets;
- stats->rx_bytes = rx_bytes;
- stats->tx_bytes = tx_bytes;
- stats->rx_packets = rx_packets;
-
- stats->multicast = port->stats.multicast;
- stats->rx_errors = port->stats.rx_errors;
-}
-
-static void ehea_update_stats(struct work_struct *work)
-{
- struct ehea_port *port =
- container_of(work, struct ehea_port, stats_work.work);
- struct net_device *dev = port->netdev;
- struct rtnl_link_stats64 *stats = &port->stats;
- struct hcp_ehea_port_cb2 *cb2;
- u64 hret;
-
- cb2 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb2) {
- netdev_err(dev, "No mem for cb2. Some interface statistics were not updated\n");
- goto resched;
- }
-
- hret = ehea_h_query_ehea_port(port->adapter->handle,
- port->logical_port_id,
- H_PORT_CB2, H_PORT_CB2_ALL, cb2);
- if (hret != H_SUCCESS) {
- netdev_err(dev, "query_ehea_port failed\n");
- goto out_herr;
- }
-
- if (netif_msg_hw(port))
- ehea_dump(cb2, sizeof(*cb2), "net_device_stats");
-
- stats->multicast = cb2->rxmcp;
- stats->rx_errors = cb2->rxuerr;
-
-out_herr:
- free_page((unsigned long)cb2);
-resched:
- schedule_delayed_work(&port->stats_work,
- round_jiffies_relative(msecs_to_jiffies(1000)));
-}
-
-static void ehea_refill_rq1(struct ehea_port_res *pr, int index, int nr_of_wqes)
-{
- struct sk_buff **skb_arr_rq1 = pr->rq1_skba.arr;
- struct net_device *dev = pr->port->netdev;
- int max_index_mask = pr->rq1_skba.len - 1;
- int fill_wqes = pr->rq1_skba.os_skbs + nr_of_wqes;
- int adder = 0;
- int i;
-
- pr->rq1_skba.os_skbs = 0;
-
- if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) {
- if (nr_of_wqes > 0)
- pr->rq1_skba.index = index;
- pr->rq1_skba.os_skbs = fill_wqes;
- return;
- }
-
- for (i = 0; i < fill_wqes; i++) {
- if (!skb_arr_rq1[index]) {
- skb_arr_rq1[index] = netdev_alloc_skb(dev,
- EHEA_L_PKT_SIZE);
- if (!skb_arr_rq1[index]) {
- pr->rq1_skba.os_skbs = fill_wqes - i;
- break;
- }
- }
- index--;
- index &= max_index_mask;
- adder++;
- }
-
- if (adder == 0)
- return;
-
- /* Ring doorbell */
- ehea_update_rq1a(pr->qp, adder);
-}
-
-static void ehea_init_fill_rq1(struct ehea_port_res *pr, int nr_rq1a)
-{
- struct sk_buff **skb_arr_rq1 = pr->rq1_skba.arr;
- struct net_device *dev = pr->port->netdev;
- int i;
-
- if (nr_rq1a > pr->rq1_skba.len) {
- netdev_err(dev, "NR_RQ1A bigger than skb array len\n");
- return;
- }
-
- for (i = 0; i < nr_rq1a; i++) {
- skb_arr_rq1[i] = netdev_alloc_skb(dev, EHEA_L_PKT_SIZE);
- if (!skb_arr_rq1[i])
- break;
- }
- /* Ring doorbell */
- ehea_update_rq1a(pr->qp, i - 1);
-}
-
-static int ehea_refill_rq_def(struct ehea_port_res *pr,
- struct ehea_q_skb_arr *q_skba, int rq_nr,
- int num_wqes, int wqe_type, int packet_size)
-{
- struct net_device *dev = pr->port->netdev;
- struct ehea_qp *qp = pr->qp;
- struct sk_buff **skb_arr = q_skba->arr;
- struct ehea_rwqe *rwqe;
- int i, index, max_index_mask, fill_wqes;
- int adder = 0;
- int ret = 0;
-
- fill_wqes = q_skba->os_skbs + num_wqes;
- q_skba->os_skbs = 0;
-
- if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) {
- q_skba->os_skbs = fill_wqes;
- return ret;
- }
-
- index = q_skba->index;
- max_index_mask = q_skba->len - 1;
- for (i = 0; i < fill_wqes; i++) {
- u64 tmp_addr;
- struct sk_buff *skb;
-
- skb = netdev_alloc_skb_ip_align(dev, packet_size);
- if (!skb) {
- q_skba->os_skbs = fill_wqes - i;
- if (q_skba->os_skbs == q_skba->len - 2) {
- netdev_info(pr->port->netdev,
- "rq%i ran dry - no mem for skb\n",
- rq_nr);
- ret = -ENOMEM;
- }
- break;
- }
-
- skb_arr[index] = skb;
- tmp_addr = ehea_map_vaddr(skb->data);
- if (tmp_addr == -1) {
- dev_consume_skb_any(skb);
- q_skba->os_skbs = fill_wqes - i;
- ret = 0;
- break;
- }
-
- rwqe = ehea_get_next_rwqe(qp, rq_nr);
- rwqe->wr_id = EHEA_BMASK_SET(EHEA_WR_ID_TYPE, wqe_type)
- | EHEA_BMASK_SET(EHEA_WR_ID_INDEX, index);
- rwqe->sg_list[0].l_key = pr->recv_mr.lkey;
- rwqe->sg_list[0].vaddr = tmp_addr;
- rwqe->sg_list[0].len = packet_size;
- rwqe->data_segments = 1;
-
- index++;
- index &= max_index_mask;
- adder++;
- }
-
- q_skba->index = index;
- if (adder == 0)
- goto out;
-
- /* Ring doorbell */
- iosync();
- if (rq_nr == 2)
- ehea_update_rq2a(pr->qp, adder);
- else
- ehea_update_rq3a(pr->qp, adder);
-out:
- return ret;
-}
-
-
-static int ehea_refill_rq2(struct ehea_port_res *pr, int nr_of_wqes)
-{
- return ehea_refill_rq_def(pr, &pr->rq2_skba, 2,
- nr_of_wqes, EHEA_RWQE2_TYPE,
- EHEA_RQ2_PKT_SIZE);
-}
-
-
-static int ehea_refill_rq3(struct ehea_port_res *pr, int nr_of_wqes)
-{
- return ehea_refill_rq_def(pr, &pr->rq3_skba, 3,
- nr_of_wqes, EHEA_RWQE3_TYPE,
- EHEA_MAX_PACKET_SIZE);
-}
-
-static inline int ehea_check_cqe(struct ehea_cqe *cqe, int *rq_num)
-{
- *rq_num = (cqe->type & EHEA_CQE_TYPE_RQ) >> 5;
- if ((cqe->status & EHEA_CQE_STAT_ERR_MASK) == 0)
- return 0;
- if (((cqe->status & EHEA_CQE_STAT_ERR_TCP) != 0) &&
- (cqe->header_length == 0))
- return 0;
- return -EINVAL;
-}
-
-static inline void ehea_fill_skb(struct net_device *dev,
- struct sk_buff *skb, struct ehea_cqe *cqe,
- struct ehea_port_res *pr)
-{
- int length = cqe->num_bytes_transfered - 4; /*remove CRC */
-
- skb_put(skb, length);
- skb->protocol = eth_type_trans(skb, dev);
-
- /* The packet was not an IPV4 packet so a complemented checksum was
- calculated. The value is found in the Internet Checksum field. */
- if (cqe->status & EHEA_CQE_BLIND_CKSUM) {
- skb->ip_summed = CHECKSUM_COMPLETE;
- skb->csum = csum_unfold(~cqe->inet_checksum_value);
- } else
- skb->ip_summed = CHECKSUM_UNNECESSARY;
-
- skb_record_rx_queue(skb, pr - &pr->port->port_res[0]);
-}
-
-static inline struct sk_buff *get_skb_by_index(struct sk_buff **skb_array,
- int arr_len,
- struct ehea_cqe *cqe)
-{
- int skb_index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, cqe->wr_id);
- struct sk_buff *skb;
- void *pref;
- int x;
-
- x = skb_index + 1;
- x &= (arr_len - 1);
-
- pref = skb_array[x];
- if (pref) {
- prefetchw(pref);
- prefetchw(pref + EHEA_CACHE_LINE);
-
- pref = (skb_array[x]->data);
- prefetch(pref);
- prefetch(pref + EHEA_CACHE_LINE);
- prefetch(pref + EHEA_CACHE_LINE * 2);
- prefetch(pref + EHEA_CACHE_LINE * 3);
- }
-
- skb = skb_array[skb_index];
- skb_array[skb_index] = NULL;
- return skb;
-}
-
-static inline struct sk_buff *get_skb_by_index_ll(struct sk_buff **skb_array,
- int arr_len, int wqe_index)
-{
- struct sk_buff *skb;
- void *pref;
- int x;
-
- x = wqe_index + 1;
- x &= (arr_len - 1);
-
- pref = skb_array[x];
- if (pref) {
- prefetchw(pref);
- prefetchw(pref + EHEA_CACHE_LINE);
-
- pref = (skb_array[x]->data);
- prefetchw(pref);
- prefetchw(pref + EHEA_CACHE_LINE);
- }
-
- skb = skb_array[wqe_index];
- skb_array[wqe_index] = NULL;
- return skb;
-}
-
-static int ehea_treat_poll_error(struct ehea_port_res *pr, int rq,
- struct ehea_cqe *cqe, int *processed_rq2,
- int *processed_rq3)
-{
- struct sk_buff *skb;
-
- if (cqe->status & EHEA_CQE_STAT_ERR_TCP)
- pr->p_stats.err_tcp_cksum++;
- if (cqe->status & EHEA_CQE_STAT_ERR_IP)
- pr->p_stats.err_ip_cksum++;
- if (cqe->status & EHEA_CQE_STAT_ERR_CRC)
- pr->p_stats.err_frame_crc++;
-
- if (rq == 2) {
- *processed_rq2 += 1;
- skb = get_skb_by_index(pr->rq2_skba.arr, pr->rq2_skba.len, cqe);
- dev_kfree_skb(skb);
- } else if (rq == 3) {
- *processed_rq3 += 1;
- skb = get_skb_by_index(pr->rq3_skba.arr, pr->rq3_skba.len, cqe);
- dev_kfree_skb(skb);
- }
-
- if (cqe->status & EHEA_CQE_STAT_FAT_ERR_MASK) {
- if (netif_msg_rx_err(pr->port)) {
- pr_err("Critical receive error for QP %d. Resetting port.\n",
- pr->qp->init_attr.qp_nr);
- ehea_dump(cqe, sizeof(*cqe), "CQE");
- }
- ehea_schedule_port_reset(pr->port);
- return 1;
- }
-
- return 0;
-}
-
-static int ehea_proc_rwqes(struct net_device *dev,
- struct ehea_port_res *pr,
- int budget)
-{
- struct ehea_port *port = pr->port;
- struct ehea_qp *qp = pr->qp;
- struct ehea_cqe *cqe;
- struct sk_buff *skb;
- struct sk_buff **skb_arr_rq1 = pr->rq1_skba.arr;
- struct sk_buff **skb_arr_rq2 = pr->rq2_skba.arr;
- struct sk_buff **skb_arr_rq3 = pr->rq3_skba.arr;
- int skb_arr_rq1_len = pr->rq1_skba.len;
- int skb_arr_rq2_len = pr->rq2_skba.len;
- int skb_arr_rq3_len = pr->rq3_skba.len;
- int processed, processed_rq1, processed_rq2, processed_rq3;
- u64 processed_bytes = 0;
- int wqe_index, last_wqe_index, rq, port_reset;
-
- processed = processed_rq1 = processed_rq2 = processed_rq3 = 0;
- last_wqe_index = 0;
-
- cqe = ehea_poll_rq1(qp, &wqe_index);
- while ((processed < budget) && cqe) {
- ehea_inc_rq1(qp);
- processed_rq1++;
- processed++;
- if (netif_msg_rx_status(port))
- ehea_dump(cqe, sizeof(*cqe), "CQE");
-
- last_wqe_index = wqe_index;
- rmb();
- if (!ehea_check_cqe(cqe, &rq)) {
- if (rq == 1) {
- /* LL RQ1 */
- skb = get_skb_by_index_ll(skb_arr_rq1,
- skb_arr_rq1_len,
- wqe_index);
- if (unlikely(!skb)) {
- netif_info(port, rx_err, dev,
- "LL rq1: skb=NULL\n");
-
- skb = netdev_alloc_skb(dev,
- EHEA_L_PKT_SIZE);
- if (!skb)
- break;
- }
- skb_copy_to_linear_data(skb, ((char *)cqe) + 64,
- cqe->num_bytes_transfered - 4);
- ehea_fill_skb(dev, skb, cqe, pr);
- } else if (rq == 2) {
- /* RQ2 */
- skb = get_skb_by_index(skb_arr_rq2,
- skb_arr_rq2_len, cqe);
- if (unlikely(!skb)) {
- netif_err(port, rx_err, dev,
- "rq2: skb=NULL\n");
- break;
- }
- ehea_fill_skb(dev, skb, cqe, pr);
- processed_rq2++;
- } else {
- /* RQ3 */
- skb = get_skb_by_index(skb_arr_rq3,
- skb_arr_rq3_len, cqe);
- if (unlikely(!skb)) {
- netif_err(port, rx_err, dev,
- "rq3: skb=NULL\n");
- break;
- }
- ehea_fill_skb(dev, skb, cqe, pr);
- processed_rq3++;
- }
-
- processed_bytes += skb->len;
-
- if (cqe->status & EHEA_CQE_VLAN_TAG_XTRACT)
- __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
- cqe->vlan_tag);
-
- napi_gro_receive(&pr->napi, skb);
- } else {
- pr->p_stats.poll_receive_errors++;
- port_reset = ehea_treat_poll_error(pr, rq, cqe,
- &processed_rq2,
- &processed_rq3);
- if (port_reset)
- break;
- }
- cqe = ehea_poll_rq1(qp, &wqe_index);
- }
-
- pr->rx_packets += processed;
- pr->rx_bytes += processed_bytes;
-
- ehea_refill_rq1(pr, last_wqe_index, processed_rq1);
- ehea_refill_rq2(pr, processed_rq2);
- ehea_refill_rq3(pr, processed_rq3);
-
- return processed;
-}
-
-#define SWQE_RESTART_CHECK 0xdeadbeaff00d0000ull
-
-static void reset_sq_restart_flag(struct ehea_port *port)
-{
- int i;
-
- for (i = 0; i < port->num_def_qps; i++) {
- struct ehea_port_res *pr = &port->port_res[i];
- pr->sq_restart_flag = 0;
- }
- wake_up(&port->restart_wq);
-}
-
-static void check_sqs(struct ehea_port *port)
-{
- struct ehea_swqe *swqe;
- int swqe_index;
- int i;
-
- for (i = 0; i < port->num_def_qps; i++) {
- struct ehea_port_res *pr = &port->port_res[i];
- int ret;
- swqe = ehea_get_swqe(pr->qp, &swqe_index);
- memset(swqe, 0, SWQE_HEADER_SIZE);
- atomic_dec(&pr->swqe_avail);
-
- swqe->tx_control |= EHEA_SWQE_PURGE;
- swqe->wr_id = SWQE_RESTART_CHECK;
- swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION;
- swqe->tx_control |= EHEA_SWQE_IMM_DATA_PRESENT;
- swqe->immediate_data_length = 80;
-
- ehea_post_swqe(pr->qp, swqe);
-
- ret = wait_event_timeout(port->restart_wq,
- pr->sq_restart_flag == 0,
- msecs_to_jiffies(100));
-
- if (!ret) {
- pr_err("HW/SW queues out of sync\n");
- ehea_schedule_port_reset(pr->port);
- return;
- }
- }
-}
-
-
-static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota)
-{
- struct sk_buff *skb;
- struct ehea_cq *send_cq = pr->send_cq;
- struct ehea_cqe *cqe;
- int quota = my_quota;
- int cqe_counter = 0;
- int swqe_av = 0;
- int index;
- struct netdev_queue *txq = netdev_get_tx_queue(pr->port->netdev,
- pr - &pr->port->port_res[0]);
-
- cqe = ehea_poll_cq(send_cq);
- while (cqe && (quota > 0)) {
- ehea_inc_cq(send_cq);
-
- cqe_counter++;
- rmb();
-
- if (cqe->wr_id == SWQE_RESTART_CHECK) {
- pr->sq_restart_flag = 1;
- swqe_av++;
- break;
- }
-
- if (cqe->status & EHEA_CQE_STAT_ERR_MASK) {
- pr_err("Bad send completion status=0x%04X\n",
- cqe->status);
-
- if (netif_msg_tx_err(pr->port))
- ehea_dump(cqe, sizeof(*cqe), "Send CQE");
-
- if (cqe->status & EHEA_CQE_STAT_RESET_MASK) {
- pr_err("Resetting port\n");
- ehea_schedule_port_reset(pr->port);
- break;
- }
- }
-
- if (netif_msg_tx_done(pr->port))
- ehea_dump(cqe, sizeof(*cqe), "CQE");
-
- if (likely(EHEA_BMASK_GET(EHEA_WR_ID_TYPE, cqe->wr_id)
- == EHEA_SWQE2_TYPE)) {
-
- index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, cqe->wr_id);
- skb = pr->sq_skba.arr[index];
- dev_consume_skb_any(skb);
- pr->sq_skba.arr[index] = NULL;
- }
-
- swqe_av += EHEA_BMASK_GET(EHEA_WR_ID_REFILL, cqe->wr_id);
- quota--;
-
- cqe = ehea_poll_cq(send_cq);
- }
-
- ehea_update_feca(send_cq, cqe_counter);
- atomic_add(swqe_av, &pr->swqe_avail);
-
- if (unlikely(netif_tx_queue_stopped(txq) &&
- (atomic_read(&pr->swqe_avail) >= pr->swqe_refill_th))) {
- __netif_tx_lock(txq, smp_processor_id());
- if (netif_tx_queue_stopped(txq) &&
- (atomic_read(&pr->swqe_avail) >= pr->swqe_refill_th))
- netif_tx_wake_queue(txq);
- __netif_tx_unlock(txq);
- }
-
- wake_up(&pr->port->swqe_avail_wq);
-
- return cqe;
-}
-
-#define EHEA_POLL_MAX_CQES 65535
-
-static int ehea_poll(struct napi_struct *napi, int budget)
-{
- struct ehea_port_res *pr = container_of(napi, struct ehea_port_res,
- napi);
- struct net_device *dev = pr->port->netdev;
- struct ehea_cqe *cqe;
- struct ehea_cqe *cqe_skb = NULL;
- int wqe_index;
- int rx = 0;
-
- cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES);
- rx += ehea_proc_rwqes(dev, pr, budget - rx);
-
- while (rx != budget) {
- napi_complete(napi);
- ehea_reset_cq_ep(pr->recv_cq);
- ehea_reset_cq_ep(pr->send_cq);
- ehea_reset_cq_n1(pr->recv_cq);
- ehea_reset_cq_n1(pr->send_cq);
- rmb();
- cqe = ehea_poll_rq1(pr->qp, &wqe_index);
- cqe_skb = ehea_poll_cq(pr->send_cq);
-
- if (!cqe && !cqe_skb)
- return rx;
-
- if (!napi_schedule(napi))
- return rx;
-
- cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES);
- rx += ehea_proc_rwqes(dev, pr, budget - rx);
- }
-
- return rx;
-}
-
-static irqreturn_t ehea_recv_irq_handler(int irq, void *param)
-{
- struct ehea_port_res *pr = param;
-
- napi_schedule(&pr->napi);
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t ehea_qp_aff_irq_handler(int irq, void *param)
-{
- struct ehea_port *port = param;
- struct ehea_eqe *eqe;
- struct ehea_qp *qp;
- u32 qp_token;
- u64 resource_type, aer, aerr;
- int reset_port = 0;
-
- eqe = ehea_poll_eq(port->qp_eq);
-
- while (eqe) {
- qp_token = EHEA_BMASK_GET(EHEA_EQE_QP_TOKEN, eqe->entry);
- pr_err("QP aff_err: entry=0x%llx, token=0x%x\n",
- eqe->entry, qp_token);
-
- qp = port->port_res[qp_token].qp;
-
- resource_type = ehea_error_data(port->adapter, qp->fw_handle,
- &aer, &aerr);
-
- if (resource_type == EHEA_AER_RESTYPE_QP) {
- if ((aer & EHEA_AER_RESET_MASK) ||
- (aerr & EHEA_AERR_RESET_MASK))
- reset_port = 1;
- } else
- reset_port = 1; /* Reset in case of CQ or EQ error */
-
- eqe = ehea_poll_eq(port->qp_eq);
- }
-
- if (reset_port) {
- pr_err("Resetting port\n");
- ehea_schedule_port_reset(port);
- }
-
- return IRQ_HANDLED;
-}
-
-static struct ehea_port *ehea_get_port(struct ehea_adapter *adapter,
- int logical_port)
-{
- int i;
-
- for (i = 0; i < EHEA_MAX_PORTS; i++)
- if (adapter->port[i])
- if (adapter->port[i]->logical_port_id == logical_port)
- return adapter->port[i];
- return NULL;
-}
-
-int ehea_sense_port_attr(struct ehea_port *port)
-{
- int ret;
- u64 hret;
- struct hcp_ehea_port_cb0 *cb0;
-
- /* may be called via ehea_neq_tasklet() */
- cb0 = (void *)get_zeroed_page(GFP_ATOMIC);
- if (!cb0) {
- pr_err("no mem for cb0\n");
- ret = -ENOMEM;
- goto out;
- }
-
- hret = ehea_h_query_ehea_port(port->adapter->handle,
- port->logical_port_id, H_PORT_CB0,
- EHEA_BMASK_SET(H_PORT_CB0_ALL, 0xFFFF),
- cb0);
- if (hret != H_SUCCESS) {
- ret = -EIO;
- goto out_free;
- }
-
- /* MAC address */
- port->mac_addr = cb0->port_mac_addr << 16;
-
- if (!is_valid_ether_addr((u8 *)&port->mac_addr)) {
- ret = -EADDRNOTAVAIL;
- goto out_free;
- }
-
- /* Port speed */
- switch (cb0->port_speed) {
- case H_SPEED_10M_H:
- port->port_speed = EHEA_SPEED_10M;
- port->full_duplex = 0;
- break;
- case H_SPEED_10M_F:
- port->port_speed = EHEA_SPEED_10M;
- port->full_duplex = 1;
- break;
- case H_SPEED_100M_H:
- port->port_speed = EHEA_SPEED_100M;
- port->full_duplex = 0;
- break;
- case H_SPEED_100M_F:
- port->port_speed = EHEA_SPEED_100M;
- port->full_duplex = 1;
- break;
- case H_SPEED_1G_F:
- port->port_speed = EHEA_SPEED_1G;
- port->full_duplex = 1;
- break;
- case H_SPEED_10G_F:
- port->port_speed = EHEA_SPEED_10G;
- port->full_duplex = 1;
- break;
- default:
- port->port_speed = 0;
- port->full_duplex = 0;
- break;
- }
-
- port->autoneg = 1;
- port->num_mcs = cb0->num_default_qps;
-
- /* Number of default QPs */
- if (use_mcs)
- port->num_def_qps = cb0->num_default_qps;
- else
- port->num_def_qps = 1;
-
- if (!port->num_def_qps) {
- ret = -EINVAL;
- goto out_free;
- }
-
- ret = 0;
-out_free:
- if (ret || netif_msg_probe(port))
- ehea_dump(cb0, sizeof(*cb0), "ehea_sense_port_attr");
- free_page((unsigned long)cb0);
-out:
- return ret;
-}
-
-int ehea_set_portspeed(struct ehea_port *port, u32 port_speed)
-{
- struct hcp_ehea_port_cb4 *cb4;
- u64 hret;
- int ret = 0;
-
- cb4 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb4) {
- pr_err("no mem for cb4\n");
- ret = -ENOMEM;
- goto out;
- }
-
- cb4->port_speed = port_speed;
-
- netif_carrier_off(port->netdev);
-
- hret = ehea_h_modify_ehea_port(port->adapter->handle,
- port->logical_port_id,
- H_PORT_CB4, H_PORT_CB4_SPEED, cb4);
- if (hret == H_SUCCESS) {
- port->autoneg = port_speed == EHEA_SPEED_AUTONEG ? 1 : 0;
-
- hret = ehea_h_query_ehea_port(port->adapter->handle,
- port->logical_port_id,
- H_PORT_CB4, H_PORT_CB4_SPEED,
- cb4);
- if (hret == H_SUCCESS) {
- switch (cb4->port_speed) {
- case H_SPEED_10M_H:
- port->port_speed = EHEA_SPEED_10M;
- port->full_duplex = 0;
- break;
- case H_SPEED_10M_F:
- port->port_speed = EHEA_SPEED_10M;
- port->full_duplex = 1;
- break;
- case H_SPEED_100M_H:
- port->port_speed = EHEA_SPEED_100M;
- port->full_duplex = 0;
- break;
- case H_SPEED_100M_F:
- port->port_speed = EHEA_SPEED_100M;
- port->full_duplex = 1;
- break;
- case H_SPEED_1G_F:
- port->port_speed = EHEA_SPEED_1G;
- port->full_duplex = 1;
- break;
- case H_SPEED_10G_F:
- port->port_speed = EHEA_SPEED_10G;
- port->full_duplex = 1;
- break;
- default:
- port->port_speed = 0;
- port->full_duplex = 0;
- break;
- }
- } else {
- pr_err("Failed sensing port speed\n");
- ret = -EIO;
- }
- } else {
- if (hret == H_AUTHORITY) {
- pr_info("Hypervisor denied setting port speed\n");
- ret = -EPERM;
- } else {
- ret = -EIO;
- pr_err("Failed setting port speed\n");
- }
- }
- if (!prop_carrier_state || (port->phy_link == EHEA_PHY_LINK_UP))
- netif_carrier_on(port->netdev);
-
- free_page((unsigned long)cb4);
-out:
- return ret;
-}
-
-static void ehea_parse_eqe(struct ehea_adapter *adapter, u64 eqe)
-{
- int ret;
- u8 ec;
- u8 portnum;
- struct ehea_port *port;
- struct net_device *dev;
-
- ec = EHEA_BMASK_GET(NEQE_EVENT_CODE, eqe);
- portnum = EHEA_BMASK_GET(NEQE_PORTNUM, eqe);
- port = ehea_get_port(adapter, portnum);
- if (!port) {
- netdev_err(NULL, "unknown portnum %x\n", portnum);
- return;
- }
- dev = port->netdev;
-
- switch (ec) {
- case EHEA_EC_PORTSTATE_CHG: /* port state change */
-
- if (EHEA_BMASK_GET(NEQE_PORT_UP, eqe)) {
- if (!netif_carrier_ok(dev)) {
- ret = ehea_sense_port_attr(port);
- if (ret) {
- netdev_err(dev, "failed resensing port attributes\n");
- break;
- }
-
- netif_info(port, link, dev,
- "Logical port up: %dMbps %s Duplex\n",
- port->port_speed,
- port->full_duplex == 1 ?
- "Full" : "Half");
-
- netif_carrier_on(dev);
- netif_wake_queue(dev);
- }
- } else
- if (netif_carrier_ok(dev)) {
- netif_info(port, link, dev,
- "Logical port down\n");
- netif_carrier_off(dev);
- netif_tx_disable(dev);
- }
-
- if (EHEA_BMASK_GET(NEQE_EXTSWITCH_PORT_UP, eqe)) {
- port->phy_link = EHEA_PHY_LINK_UP;
- netif_info(port, link, dev,
- "Physical port up\n");
- if (prop_carrier_state)
- netif_carrier_on(dev);
- } else {
- port->phy_link = EHEA_PHY_LINK_DOWN;
- netif_info(port, link, dev,
- "Physical port down\n");
- if (prop_carrier_state)
- netif_carrier_off(dev);
- }
-
- if (EHEA_BMASK_GET(NEQE_EXTSWITCH_PRIMARY, eqe))
- netdev_info(dev,
- "External switch port is primary port\n");
- else
- netdev_info(dev,
- "External switch port is backup port\n");
-
- break;
- case EHEA_EC_ADAPTER_MALFUNC:
- netdev_err(dev, "Adapter malfunction\n");
- break;
- case EHEA_EC_PORT_MALFUNC:
- netdev_info(dev, "Port malfunction\n");
- netif_carrier_off(dev);
- netif_tx_disable(dev);
- break;
- default:
- netdev_err(dev, "unknown event code %x, eqe=0x%llX\n", ec, eqe);
- break;
- }
-}
-
-static void ehea_neq_tasklet(struct tasklet_struct *t)
-{
- struct ehea_adapter *adapter = from_tasklet(adapter, t, neq_tasklet);
- struct ehea_eqe *eqe;
- u64 event_mask;
-
- eqe = ehea_poll_eq(adapter->neq);
- pr_debug("eqe=%p\n", eqe);
-
- while (eqe) {
- pr_debug("*eqe=%lx\n", (unsigned long) eqe->entry);
- ehea_parse_eqe(adapter, eqe->entry);
- eqe = ehea_poll_eq(adapter->neq);
- pr_debug("next eqe=%p\n", eqe);
- }
-
- event_mask = EHEA_BMASK_SET(NELR_PORTSTATE_CHG, 1)
- | EHEA_BMASK_SET(NELR_ADAPTER_MALFUNC, 1)
- | EHEA_BMASK_SET(NELR_PORT_MALFUNC, 1);
-
- ehea_h_reset_events(adapter->handle,
- adapter->neq->fw_handle, event_mask);
-}
-
-static irqreturn_t ehea_interrupt_neq(int irq, void *param)
-{
- struct ehea_adapter *adapter = param;
- tasklet_hi_schedule(&adapter->neq_tasklet);
- return IRQ_HANDLED;
-}
-
-
-static int ehea_fill_port_res(struct ehea_port_res *pr)
-{
- int ret;
- struct ehea_qp_init_attr *init_attr = &pr->qp->init_attr;
-
- ehea_init_fill_rq1(pr, pr->rq1_skba.len);
-
- ret = ehea_refill_rq2(pr, init_attr->act_nr_rwqes_rq2 - 1);
-
- ret |= ehea_refill_rq3(pr, init_attr->act_nr_rwqes_rq3 - 1);
-
- return ret;
-}
-
-static int ehea_reg_interrupts(struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_port_res *pr;
- int i, ret;
-
-
- snprintf(port->int_aff_name, EHEA_IRQ_NAME_SIZE - 1, "%s-aff",
- dev->name);
-
- ret = ibmebus_request_irq(port->qp_eq->attr.ist1,
- ehea_qp_aff_irq_handler,
- 0, port->int_aff_name, port);
- if (ret) {
- netdev_err(dev, "failed registering irq for qp_aff_irq_handler:ist=%X\n",
- port->qp_eq->attr.ist1);
- goto out_free_qpeq;
- }
-
- netif_info(port, ifup, dev,
- "irq_handle 0x%X for function qp_aff_irq_handler registered\n",
- port->qp_eq->attr.ist1);
-
-
- for (i = 0; i < port->num_def_qps; i++) {
- pr = &port->port_res[i];
- snprintf(pr->int_send_name, EHEA_IRQ_NAME_SIZE - 1,
- "%s-queue%d", dev->name, i);
- ret = ibmebus_request_irq(pr->eq->attr.ist1,
- ehea_recv_irq_handler,
- 0, pr->int_send_name, pr);
- if (ret) {
- netdev_err(dev, "failed registering irq for ehea_queue port_res_nr:%d, ist=%X\n",
- i, pr->eq->attr.ist1);
- goto out_free_req;
- }
- netif_info(port, ifup, dev,
- "irq_handle 0x%X for function ehea_queue_int %d registered\n",
- pr->eq->attr.ist1, i);
- }
-out:
- return ret;
-
-
-out_free_req:
- while (--i >= 0) {
- u32 ist = port->port_res[i].eq->attr.ist1;
- ibmebus_free_irq(ist, &port->port_res[i]);
- }
-
-out_free_qpeq:
- ibmebus_free_irq(port->qp_eq->attr.ist1, port);
- i = port->num_def_qps;
-
- goto out;
-
-}
-
-static void ehea_free_interrupts(struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_port_res *pr;
- int i;
-
- /* send */
-
- for (i = 0; i < port->num_def_qps; i++) {
- pr = &port->port_res[i];
- ibmebus_free_irq(pr->eq->attr.ist1, pr);
- netif_info(port, intr, dev,
- "free send irq for res %d with handle 0x%X\n",
- i, pr->eq->attr.ist1);
- }
-
- /* associated events */
- ibmebus_free_irq(port->qp_eq->attr.ist1, port);
- netif_info(port, intr, dev,
- "associated event interrupt for handle 0x%X freed\n",
- port->qp_eq->attr.ist1);
-}
-
-static int ehea_configure_port(struct ehea_port *port)
-{
- int ret, i;
- u64 hret, mask;
- struct hcp_ehea_port_cb0 *cb0;
-
- ret = -ENOMEM;
- cb0 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb0)
- goto out;
-
- cb0->port_rc = EHEA_BMASK_SET(PXLY_RC_VALID, 1)
- | EHEA_BMASK_SET(PXLY_RC_IP_CHKSUM, 1)
- | EHEA_BMASK_SET(PXLY_RC_TCP_UDP_CHKSUM, 1)
- | EHEA_BMASK_SET(PXLY_RC_VLAN_XTRACT, 1)
- | EHEA_BMASK_SET(PXLY_RC_VLAN_TAG_FILTER,
- PXLY_RC_VLAN_FILTER)
- | EHEA_BMASK_SET(PXLY_RC_JUMBO_FRAME, 1);
-
- for (i = 0; i < port->num_mcs; i++)
- if (use_mcs)
- cb0->default_qpn_arr[i] =
- port->port_res[i].qp->init_attr.qp_nr;
- else
- cb0->default_qpn_arr[i] =
- port->port_res[0].qp->init_attr.qp_nr;
-
- if (netif_msg_ifup(port))
- ehea_dump(cb0, sizeof(*cb0), "ehea_configure_port");
-
- mask = EHEA_BMASK_SET(H_PORT_CB0_PRC, 1)
- | EHEA_BMASK_SET(H_PORT_CB0_DEFQPNARRAY, 1);
-
- hret = ehea_h_modify_ehea_port(port->adapter->handle,
- port->logical_port_id,
- H_PORT_CB0, mask, cb0);
- ret = -EIO;
- if (hret != H_SUCCESS)
- goto out_free;
-
- ret = 0;
-
-out_free:
- free_page((unsigned long)cb0);
-out:
- return ret;
-}
-
-static int ehea_gen_smrs(struct ehea_port_res *pr)
-{
- int ret;
- struct ehea_adapter *adapter = pr->port->adapter;
-
- ret = ehea_gen_smr(adapter, &adapter->mr, &pr->send_mr);
- if (ret)
- goto out;
-
- ret = ehea_gen_smr(adapter, &adapter->mr, &pr->recv_mr);
- if (ret)
- goto out_free;
-
- return 0;
-
-out_free:
- ehea_rem_mr(&pr->send_mr);
-out:
- pr_err("Generating SMRS failed\n");
- return -EIO;
-}
-
-static int ehea_rem_smrs(struct ehea_port_res *pr)
-{
- if ((ehea_rem_mr(&pr->send_mr)) ||
- (ehea_rem_mr(&pr->recv_mr)))
- return -EIO;
- else
- return 0;
-}
-
-static int ehea_init_q_skba(struct ehea_q_skb_arr *q_skba, int max_q_entries)
-{
- int arr_size = sizeof(void *) * max_q_entries;
-
- q_skba->arr = vzalloc(arr_size);
- if (!q_skba->arr)
- return -ENOMEM;
-
- q_skba->len = max_q_entries;
- q_skba->index = 0;
- q_skba->os_skbs = 0;
-
- return 0;
-}
-
-static int ehea_init_port_res(struct ehea_port *port, struct ehea_port_res *pr,
- struct port_res_cfg *pr_cfg, int queue_token)
-{
- struct ehea_adapter *adapter = port->adapter;
- enum ehea_eq_type eq_type = EHEA_EQ;
- struct ehea_qp_init_attr *init_attr = NULL;
- int ret = -EIO;
- u64 tx_bytes, rx_bytes, tx_packets, rx_packets;
-
- tx_bytes = pr->tx_bytes;
- tx_packets = pr->tx_packets;
- rx_bytes = pr->rx_bytes;
- rx_packets = pr->rx_packets;
-
- memset(pr, 0, sizeof(struct ehea_port_res));
-
- pr->tx_bytes = tx_bytes;
- pr->tx_packets = tx_packets;
- pr->rx_bytes = rx_bytes;
- pr->rx_packets = rx_packets;
-
- pr->port = port;
-
- pr->eq = ehea_create_eq(adapter, eq_type, EHEA_MAX_ENTRIES_EQ, 0);
- if (!pr->eq) {
- pr_err("create_eq failed (eq)\n");
- goto out_free;
- }
-
- pr->recv_cq = ehea_create_cq(adapter, pr_cfg->max_entries_rcq,
- pr->eq->fw_handle,
- port->logical_port_id);
- if (!pr->recv_cq) {
- pr_err("create_cq failed (cq_recv)\n");
- goto out_free;
- }
-
- pr->send_cq = ehea_create_cq(adapter, pr_cfg->max_entries_scq,
- pr->eq->fw_handle,
- port->logical_port_id);
- if (!pr->send_cq) {
- pr_err("create_cq failed (cq_send)\n");
- goto out_free;
- }
-
- if (netif_msg_ifup(port))
- pr_info("Send CQ: act_nr_cqes=%d, Recv CQ: act_nr_cqes=%d\n",
- pr->send_cq->attr.act_nr_of_cqes,
- pr->recv_cq->attr.act_nr_of_cqes);
-
- init_attr = kzalloc_obj(*init_attr);
- if (!init_attr) {
- ret = -ENOMEM;
- pr_err("no mem for ehea_qp_init_attr\n");
- goto out_free;
- }
-
- init_attr->low_lat_rq1 = 1;
- init_attr->signalingtype = 1; /* generate CQE if specified in WQE */
- init_attr->rq_count = 3;
- init_attr->qp_token = queue_token;
- init_attr->max_nr_send_wqes = pr_cfg->max_entries_sq;
- init_attr->max_nr_rwqes_rq1 = pr_cfg->max_entries_rq1;
- init_attr->max_nr_rwqes_rq2 = pr_cfg->max_entries_rq2;
- init_attr->max_nr_rwqes_rq3 = pr_cfg->max_entries_rq3;
- init_attr->wqe_size_enc_sq = EHEA_SG_SQ;
- init_attr->wqe_size_enc_rq1 = EHEA_SG_RQ1;
- init_attr->wqe_size_enc_rq2 = EHEA_SG_RQ2;
- init_attr->wqe_size_enc_rq3 = EHEA_SG_RQ3;
- init_attr->rq2_threshold = EHEA_RQ2_THRESHOLD;
- init_attr->rq3_threshold = EHEA_RQ3_THRESHOLD;
- init_attr->port_nr = port->logical_port_id;
- init_attr->send_cq_handle = pr->send_cq->fw_handle;
- init_attr->recv_cq_handle = pr->recv_cq->fw_handle;
- init_attr->aff_eq_handle = port->qp_eq->fw_handle;
-
- pr->qp = ehea_create_qp(adapter, adapter->pd, init_attr);
- if (!pr->qp) {
- pr_err("create_qp failed\n");
- ret = -EIO;
- goto out_free;
- }
-
- if (netif_msg_ifup(port))
- pr_info("QP: qp_nr=%d\n act_nr_snd_wqe=%d\n nr_rwqe_rq1=%d\n nr_rwqe_rq2=%d\n nr_rwqe_rq3=%d\n",
- init_attr->qp_nr,
- init_attr->act_nr_send_wqes,
- init_attr->act_nr_rwqes_rq1,
- init_attr->act_nr_rwqes_rq2,
- init_attr->act_nr_rwqes_rq3);
-
- pr->sq_skba_size = init_attr->act_nr_send_wqes + 1;
-
- ret = ehea_init_q_skba(&pr->sq_skba, pr->sq_skba_size);
- ret |= ehea_init_q_skba(&pr->rq1_skba, init_attr->act_nr_rwqes_rq1 + 1);
- ret |= ehea_init_q_skba(&pr->rq2_skba, init_attr->act_nr_rwqes_rq2 + 1);
- ret |= ehea_init_q_skba(&pr->rq3_skba, init_attr->act_nr_rwqes_rq3 + 1);
- if (ret)
- goto out_free;
-
- pr->swqe_refill_th = init_attr->act_nr_send_wqes / 10;
- if (ehea_gen_smrs(pr) != 0) {
- ret = -EIO;
- goto out_free;
- }
-
- atomic_set(&pr->swqe_avail, init_attr->act_nr_send_wqes - 1);
-
- kfree(init_attr);
-
- netif_napi_add(pr->port->netdev, &pr->napi, ehea_poll);
-
- ret = 0;
- goto out;
-
-out_free:
- kfree(init_attr);
- vfree(pr->sq_skba.arr);
- vfree(pr->rq1_skba.arr);
- vfree(pr->rq2_skba.arr);
- vfree(pr->rq3_skba.arr);
- ehea_destroy_qp(pr->qp);
- ehea_destroy_cq(pr->send_cq);
- ehea_destroy_cq(pr->recv_cq);
- ehea_destroy_eq(pr->eq);
-out:
- return ret;
-}
-
-static int ehea_clean_portres(struct ehea_port *port, struct ehea_port_res *pr)
-{
- int ret, i;
-
- if (pr->qp)
- netif_napi_del(&pr->napi);
-
- ret = ehea_destroy_qp(pr->qp);
-
- if (!ret) {
- ehea_destroy_cq(pr->send_cq);
- ehea_destroy_cq(pr->recv_cq);
- ehea_destroy_eq(pr->eq);
-
- for (i = 0; i < pr->rq1_skba.len; i++)
- dev_kfree_skb(pr->rq1_skba.arr[i]);
-
- for (i = 0; i < pr->rq2_skba.len; i++)
- dev_kfree_skb(pr->rq2_skba.arr[i]);
-
- for (i = 0; i < pr->rq3_skba.len; i++)
- dev_kfree_skb(pr->rq3_skba.arr[i]);
-
- for (i = 0; i < pr->sq_skba.len; i++)
- dev_kfree_skb(pr->sq_skba.arr[i]);
-
- vfree(pr->rq1_skba.arr);
- vfree(pr->rq2_skba.arr);
- vfree(pr->rq3_skba.arr);
- vfree(pr->sq_skba.arr);
- ret = ehea_rem_smrs(pr);
- }
- return ret;
-}
-
-static void write_swqe2_immediate(struct sk_buff *skb, struct ehea_swqe *swqe,
- u32 lkey)
-{
- int skb_data_size = skb_headlen(skb);
- u8 *imm_data = &swqe->u.immdata_desc.immediate_data[0];
- struct ehea_vsgentry *sg1entry = &swqe->u.immdata_desc.sg_entry;
- unsigned int immediate_len = SWQE2_MAX_IMM;
-
- swqe->descriptors = 0;
-
- if (skb_is_gso(skb)) {
- swqe->tx_control |= EHEA_SWQE_TSO;
- swqe->mss = skb_shinfo(skb)->gso_size;
- /*
- * For TSO packets we only copy the headers into the
- * immediate area.
- */
- immediate_len = skb_tcp_all_headers(skb);
- }
-
- if (skb_is_gso(skb) || skb_data_size >= SWQE2_MAX_IMM) {
- skb_copy_from_linear_data(skb, imm_data, immediate_len);
- swqe->immediate_data_length = immediate_len;
-
- if (skb_data_size > immediate_len) {
- sg1entry->l_key = lkey;
- sg1entry->len = skb_data_size - immediate_len;
- sg1entry->vaddr =
- ehea_map_vaddr(skb->data + immediate_len);
- swqe->descriptors++;
- }
- } else {
- skb_copy_from_linear_data(skb, imm_data, skb_data_size);
- swqe->immediate_data_length = skb_data_size;
- }
-}
-
-static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev,
- struct ehea_swqe *swqe, u32 lkey)
-{
- struct ehea_vsgentry *sg_list, *sg1entry, *sgentry;
- skb_frag_t *frag;
- int nfrags, sg1entry_contains_frag_data, i;
-
- nfrags = skb_shinfo(skb)->nr_frags;
- sg1entry = &swqe->u.immdata_desc.sg_entry;
- sg_list = (struct ehea_vsgentry *)&swqe->u.immdata_desc.sg_list;
- sg1entry_contains_frag_data = 0;
-
- write_swqe2_immediate(skb, swqe, lkey);
-
- /* write descriptors */
- if (nfrags > 0) {
- if (swqe->descriptors == 0) {
- /* sg1entry not yet used */
- frag = &skb_shinfo(skb)->frags[0];
-
- /* copy sg1entry data */
- sg1entry->l_key = lkey;
- sg1entry->len = skb_frag_size(frag);
- sg1entry->vaddr =
- ehea_map_vaddr(skb_frag_address(frag));
- swqe->descriptors++;
- sg1entry_contains_frag_data = 1;
- }
-
- for (i = sg1entry_contains_frag_data; i < nfrags; i++) {
-
- frag = &skb_shinfo(skb)->frags[i];
- sgentry = &sg_list[i - sg1entry_contains_frag_data];
-
- sgentry->l_key = lkey;
- sgentry->len = skb_frag_size(frag);
- sgentry->vaddr = ehea_map_vaddr(skb_frag_address(frag));
- swqe->descriptors++;
- }
- }
-}
-
-static int ehea_broadcast_reg_helper(struct ehea_port *port, u32 hcallid)
-{
- int ret = 0;
- u64 hret;
- u8 reg_type;
-
- /* De/Register untagged packets */
- reg_type = EHEA_BCMC_BROADCAST | EHEA_BCMC_UNTAGGED;
- hret = ehea_h_reg_dereg_bcmc(port->adapter->handle,
- port->logical_port_id,
- reg_type, port->mac_addr, 0, hcallid);
- if (hret != H_SUCCESS) {
- pr_err("%sregistering bc address failed (tagged)\n",
- hcallid == H_REG_BCMC ? "" : "de");
- ret = -EIO;
- goto out_herr;
- }
-
- /* De/Register VLAN packets */
- reg_type = EHEA_BCMC_BROADCAST | EHEA_BCMC_VLANID_ALL;
- hret = ehea_h_reg_dereg_bcmc(port->adapter->handle,
- port->logical_port_id,
- reg_type, port->mac_addr, 0, hcallid);
- if (hret != H_SUCCESS) {
- pr_err("%sregistering bc address failed (vlan)\n",
- hcallid == H_REG_BCMC ? "" : "de");
- ret = -EIO;
- }
-out_herr:
- return ret;
-}
-
-static int ehea_set_mac_addr(struct net_device *dev, void *sa)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct sockaddr *mac_addr = sa;
- struct hcp_ehea_port_cb0 *cb0;
- int ret;
- u64 hret;
-
- if (!is_valid_ether_addr(mac_addr->sa_data)) {
- ret = -EADDRNOTAVAIL;
- goto out;
- }
-
- cb0 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb0) {
- pr_err("no mem for cb0\n");
- ret = -ENOMEM;
- goto out;
- }
-
- memcpy(&(cb0->port_mac_addr), &(mac_addr->sa_data[0]), ETH_ALEN);
-
- cb0->port_mac_addr = cb0->port_mac_addr >> 16;
-
- hret = ehea_h_modify_ehea_port(port->adapter->handle,
- port->logical_port_id, H_PORT_CB0,
- EHEA_BMASK_SET(H_PORT_CB0_MAC, 1), cb0);
- if (hret != H_SUCCESS) {
- ret = -EIO;
- goto out_free;
- }
-
- eth_hw_addr_set(dev, mac_addr->sa_data);
-
- /* Deregister old MAC in pHYP */
- if (port->state == EHEA_PORT_UP) {
- ret = ehea_broadcast_reg_helper(port, H_DEREG_BCMC);
- if (ret)
- goto out_upregs;
- }
-
- port->mac_addr = cb0->port_mac_addr << 16;
-
- /* Register new MAC in pHYP */
- if (port->state == EHEA_PORT_UP) {
- ret = ehea_broadcast_reg_helper(port, H_REG_BCMC);
- if (ret)
- goto out_upregs;
- }
-
- ret = 0;
-
-out_upregs:
- ehea_update_bcmc_registrations();
-out_free:
- free_page((unsigned long)cb0);
-out:
- return ret;
-}
-
-static void ehea_promiscuous_error(u64 hret, int enable)
-{
- if (hret == H_AUTHORITY)
- pr_info("Hypervisor denied %sabling promiscuous mode\n",
- enable == 1 ? "en" : "dis");
- else
- pr_err("failed %sabling promiscuous mode\n",
- enable == 1 ? "en" : "dis");
-}
-
-static void ehea_promiscuous(struct net_device *dev, int enable)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct hcp_ehea_port_cb7 *cb7;
- u64 hret;
-
- if (enable == port->promisc)
- return;
-
- cb7 = (void *)get_zeroed_page(GFP_ATOMIC);
- if (!cb7) {
- pr_err("no mem for cb7\n");
- goto out;
- }
-
- /* Modify Pxs_DUCQPN in CB7 */
- cb7->def_uc_qpn = enable == 1 ? port->port_res[0].qp->fw_handle : 0;
-
- hret = ehea_h_modify_ehea_port(port->adapter->handle,
- port->logical_port_id,
- H_PORT_CB7, H_PORT_CB7_DUCQPN, cb7);
- if (hret) {
- ehea_promiscuous_error(hret, enable);
- goto out;
- }
-
- port->promisc = enable;
-out:
- free_page((unsigned long)cb7);
-}
-
-static u64 ehea_multicast_reg_helper(struct ehea_port *port, u64 mc_mac_addr,
- u32 hcallid)
-{
- u64 hret;
- u8 reg_type;
-
- reg_type = EHEA_BCMC_MULTICAST | EHEA_BCMC_UNTAGGED;
- if (mc_mac_addr == 0)
- reg_type |= EHEA_BCMC_SCOPE_ALL;
-
- hret = ehea_h_reg_dereg_bcmc(port->adapter->handle,
- port->logical_port_id,
- reg_type, mc_mac_addr, 0, hcallid);
- if (hret)
- goto out;
-
- reg_type = EHEA_BCMC_MULTICAST | EHEA_BCMC_VLANID_ALL;
- if (mc_mac_addr == 0)
- reg_type |= EHEA_BCMC_SCOPE_ALL;
-
- hret = ehea_h_reg_dereg_bcmc(port->adapter->handle,
- port->logical_port_id,
- reg_type, mc_mac_addr, 0, hcallid);
-out:
- return hret;
-}
-
-static int ehea_drop_multicast_list(struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_mc_list *mc_entry = port->mc_list;
- struct list_head *pos;
- struct list_head *temp;
- int ret = 0;
- u64 hret;
-
- list_for_each_safe(pos, temp, &(port->mc_list->list)) {
- mc_entry = list_entry(pos, struct ehea_mc_list, list);
-
- hret = ehea_multicast_reg_helper(port, mc_entry->macaddr,
- H_DEREG_BCMC);
- if (hret) {
- pr_err("failed deregistering mcast MAC\n");
- ret = -EIO;
- }
-
- list_del(pos);
- kfree(mc_entry);
- }
- return ret;
-}
-
-static void ehea_allmulti(struct net_device *dev, int enable)
-{
- struct ehea_port *port = netdev_priv(dev);
- u64 hret;
-
- if (!port->allmulti) {
- if (enable) {
- /* Enable ALLMULTI */
- ehea_drop_multicast_list(dev);
- hret = ehea_multicast_reg_helper(port, 0, H_REG_BCMC);
- if (!hret)
- port->allmulti = 1;
- else
- netdev_err(dev,
- "failed enabling IFF_ALLMULTI\n");
- }
- } else {
- if (!enable) {
- /* Disable ALLMULTI */
- hret = ehea_multicast_reg_helper(port, 0, H_DEREG_BCMC);
- if (!hret)
- port->allmulti = 0;
- else
- netdev_err(dev,
- "failed disabling IFF_ALLMULTI\n");
- }
- }
-}
-
-static void ehea_add_multicast_entry(struct ehea_port *port, u8 *mc_mac_addr)
-{
- struct ehea_mc_list *ehea_mcl_entry;
- u64 hret;
-
- ehea_mcl_entry = kzalloc_obj(*ehea_mcl_entry, GFP_ATOMIC);
- if (!ehea_mcl_entry)
- return;
-
- INIT_LIST_HEAD(&ehea_mcl_entry->list);
-
- memcpy(&ehea_mcl_entry->macaddr, mc_mac_addr, ETH_ALEN);
-
- hret = ehea_multicast_reg_helper(port, ehea_mcl_entry->macaddr,
- H_REG_BCMC);
- if (!hret)
- list_add(&ehea_mcl_entry->list, &port->mc_list->list);
- else {
- pr_err("failed registering mcast MAC\n");
- kfree(ehea_mcl_entry);
- }
-}
-
-static void ehea_set_multicast_list(struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct netdev_hw_addr *ha;
- int ret;
-
- ehea_promiscuous(dev, !!(dev->flags & IFF_PROMISC));
-
- if (dev->flags & IFF_ALLMULTI) {
- ehea_allmulti(dev, 1);
- goto out;
- }
- ehea_allmulti(dev, 0);
-
- if (!netdev_mc_empty(dev)) {
- ret = ehea_drop_multicast_list(dev);
- if (ret) {
- /* Dropping the current multicast list failed.
- * Enabling ALL_MULTI is the best we can do.
- */
- ehea_allmulti(dev, 1);
- }
-
- if (netdev_mc_count(dev) > port->adapter->max_mc_mac) {
- pr_info("Mcast registration limit reached (0x%llx). Use ALLMULTI!\n",
- port->adapter->max_mc_mac);
- goto out;
- }
-
- netdev_for_each_mc_addr(ha, dev)
- ehea_add_multicast_entry(port, ha->addr);
-
- }
-out:
- ehea_update_bcmc_registrations();
-}
-
-static void xmit_common(struct sk_buff *skb, struct ehea_swqe *swqe)
-{
- swqe->tx_control |= EHEA_SWQE_IMM_DATA_PRESENT | EHEA_SWQE_CRC;
-
- if (vlan_get_protocol(skb) != htons(ETH_P_IP))
- return;
-
- if (skb->ip_summed == CHECKSUM_PARTIAL)
- swqe->tx_control |= EHEA_SWQE_IP_CHECKSUM;
-
- swqe->ip_start = skb_network_offset(skb);
- swqe->ip_end = swqe->ip_start + ip_hdrlen(skb) - 1;
-
- switch (ip_hdr(skb)->protocol) {
- case IPPROTO_UDP:
- if (skb->ip_summed == CHECKSUM_PARTIAL)
- swqe->tx_control |= EHEA_SWQE_TCP_CHECKSUM;
-
- swqe->tcp_offset = swqe->ip_end + 1 +
- offsetof(struct udphdr, check);
- break;
-
- case IPPROTO_TCP:
- if (skb->ip_summed == CHECKSUM_PARTIAL)
- swqe->tx_control |= EHEA_SWQE_TCP_CHECKSUM;
-
- swqe->tcp_offset = swqe->ip_end + 1 +
- offsetof(struct tcphdr, check);
- break;
- }
-}
-
-static void ehea_xmit2(struct sk_buff *skb, struct net_device *dev,
- struct ehea_swqe *swqe, u32 lkey)
-{
- swqe->tx_control |= EHEA_SWQE_DESCRIPTORS_PRESENT;
-
- xmit_common(skb, swqe);
-
- write_swqe2_data(skb, dev, swqe, lkey);
-}
-
-static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev,
- struct ehea_swqe *swqe)
-{
- u8 *imm_data = &swqe->u.immdata_nodesc.immediate_data[0];
-
- xmit_common(skb, swqe);
-
- if (!skb->data_len)
- skb_copy_from_linear_data(skb, imm_data, skb->len);
- else
- skb_copy_bits(skb, 0, imm_data, skb->len);
-
- swqe->immediate_data_length = skb->len;
- dev_consume_skb_any(skb);
-}
-
-static netdev_tx_t ehea_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_swqe *swqe;
- u32 lkey;
- int swqe_index;
- struct ehea_port_res *pr;
- struct netdev_queue *txq;
-
- pr = &port->port_res[skb_get_queue_mapping(skb)];
- txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
-
- swqe = ehea_get_swqe(pr->qp, &swqe_index);
- memset(swqe, 0, SWQE_HEADER_SIZE);
- atomic_dec(&pr->swqe_avail);
-
- if (skb_vlan_tag_present(skb)) {
- swqe->tx_control |= EHEA_SWQE_VLAN_INSERT;
- swqe->vlan_tag = skb_vlan_tag_get(skb);
- }
-
- pr->tx_packets++;
- pr->tx_bytes += skb->len;
-
- if (skb->len <= SWQE3_MAX_IMM) {
- u32 sig_iv = port->sig_comp_iv;
- u32 swqe_num = pr->swqe_id_counter;
- ehea_xmit3(skb, dev, swqe);
- swqe->wr_id = EHEA_BMASK_SET(EHEA_WR_ID_TYPE, EHEA_SWQE3_TYPE)
- | EHEA_BMASK_SET(EHEA_WR_ID_COUNT, swqe_num);
- if (pr->swqe_ll_count >= (sig_iv - 1)) {
- swqe->wr_id |= EHEA_BMASK_SET(EHEA_WR_ID_REFILL,
- sig_iv);
- swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION;
- pr->swqe_ll_count = 0;
- } else
- pr->swqe_ll_count += 1;
- } else {
- swqe->wr_id =
- EHEA_BMASK_SET(EHEA_WR_ID_TYPE, EHEA_SWQE2_TYPE)
- | EHEA_BMASK_SET(EHEA_WR_ID_COUNT, pr->swqe_id_counter)
- | EHEA_BMASK_SET(EHEA_WR_ID_REFILL, 1)
- | EHEA_BMASK_SET(EHEA_WR_ID_INDEX, pr->sq_skba.index);
- pr->sq_skba.arr[pr->sq_skba.index] = skb;
-
- pr->sq_skba.index++;
- pr->sq_skba.index &= (pr->sq_skba.len - 1);
-
- lkey = pr->send_mr.lkey;
- ehea_xmit2(skb, dev, swqe, lkey);
- swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION;
- }
- pr->swqe_id_counter += 1;
-
- netif_info(port, tx_queued, dev,
- "post swqe on QP %d\n", pr->qp->init_attr.qp_nr);
- if (netif_msg_tx_queued(port))
- ehea_dump(swqe, 512, "swqe");
-
- if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) {
- netif_tx_stop_queue(txq);
- swqe->tx_control |= EHEA_SWQE_PURGE;
- }
-
- ehea_post_swqe(pr->qp, swqe);
-
- if (unlikely(atomic_read(&pr->swqe_avail) <= 1)) {
- pr->p_stats.queue_stopped++;
- netif_tx_stop_queue(txq);
- }
-
- return NETDEV_TX_OK;
-}
-
-static int ehea_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_adapter *adapter = port->adapter;
- struct hcp_ehea_port_cb1 *cb1;
- int index;
- u64 hret;
- int err = 0;
-
- cb1 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb1) {
- pr_err("no mem for cb1\n");
- err = -ENOMEM;
- goto out;
- }
-
- hret = ehea_h_query_ehea_port(adapter->handle, port->logical_port_id,
- H_PORT_CB1, H_PORT_CB1_ALL, cb1);
- if (hret != H_SUCCESS) {
- pr_err("query_ehea_port failed\n");
- err = -EINVAL;
- goto out;
- }
-
- index = (vid / 64);
- cb1->vlan_filter[index] |= ((u64)(0x8000000000000000 >> (vid & 0x3F)));
-
- hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id,
- H_PORT_CB1, H_PORT_CB1_ALL, cb1);
- if (hret != H_SUCCESS) {
- pr_err("modify_ehea_port failed\n");
- err = -EINVAL;
- }
-out:
- free_page((unsigned long)cb1);
- return err;
-}
-
-static int ehea_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_adapter *adapter = port->adapter;
- struct hcp_ehea_port_cb1 *cb1;
- int index;
- u64 hret;
- int err = 0;
-
- cb1 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb1) {
- pr_err("no mem for cb1\n");
- err = -ENOMEM;
- goto out;
- }
-
- hret = ehea_h_query_ehea_port(adapter->handle, port->logical_port_id,
- H_PORT_CB1, H_PORT_CB1_ALL, cb1);
- if (hret != H_SUCCESS) {
- pr_err("query_ehea_port failed\n");
- err = -EINVAL;
- goto out;
- }
-
- index = (vid / 64);
- cb1->vlan_filter[index] &= ~((u64)(0x8000000000000000 >> (vid & 0x3F)));
-
- hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id,
- H_PORT_CB1, H_PORT_CB1_ALL, cb1);
- if (hret != H_SUCCESS) {
- pr_err("modify_ehea_port failed\n");
- err = -EINVAL;
- }
-out:
- free_page((unsigned long)cb1);
- return err;
-}
-
-static int ehea_activate_qp(struct ehea_adapter *adapter, struct ehea_qp *qp)
-{
- int ret = -EIO;
- u64 hret;
- u16 dummy16 = 0;
- u64 dummy64 = 0;
- struct hcp_modify_qp_cb0 *cb0;
-
- cb0 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb0) {
- ret = -ENOMEM;
- goto out;
- }
-
- hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0);
- if (hret != H_SUCCESS) {
- pr_err("query_ehea_qp failed (1)\n");
- goto out;
- }
-
- cb0->qp_ctl_reg = H_QP_CR_STATE_INITIALIZED;
- hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, 1), cb0,
- &dummy64, &dummy64, &dummy16, &dummy16);
- if (hret != H_SUCCESS) {
- pr_err("modify_ehea_qp failed (1)\n");
- goto out;
- }
-
- hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0);
- if (hret != H_SUCCESS) {
- pr_err("query_ehea_qp failed (2)\n");
- goto out;
- }
-
- cb0->qp_ctl_reg = H_QP_CR_ENABLED | H_QP_CR_STATE_INITIALIZED;
- hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, 1), cb0,
- &dummy64, &dummy64, &dummy16, &dummy16);
- if (hret != H_SUCCESS) {
- pr_err("modify_ehea_qp failed (2)\n");
- goto out;
- }
-
- hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0);
- if (hret != H_SUCCESS) {
- pr_err("query_ehea_qp failed (3)\n");
- goto out;
- }
-
- cb0->qp_ctl_reg = H_QP_CR_ENABLED | H_QP_CR_STATE_RDY2SND;
- hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, 1), cb0,
- &dummy64, &dummy64, &dummy16, &dummy16);
- if (hret != H_SUCCESS) {
- pr_err("modify_ehea_qp failed (3)\n");
- goto out;
- }
-
- hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0);
- if (hret != H_SUCCESS) {
- pr_err("query_ehea_qp failed (4)\n");
- goto out;
- }
-
- ret = 0;
-out:
- free_page((unsigned long)cb0);
- return ret;
-}
-
-static int ehea_port_res_setup(struct ehea_port *port, int def_qps)
-{
- int ret, i;
- struct port_res_cfg pr_cfg, pr_cfg_small_rx;
- enum ehea_eq_type eq_type = EHEA_EQ;
-
- port->qp_eq = ehea_create_eq(port->adapter, eq_type,
- EHEA_MAX_ENTRIES_EQ, 1);
- if (!port->qp_eq) {
- ret = -EINVAL;
- pr_err("ehea_create_eq failed (qp_eq)\n");
- goto out_kill_eq;
- }
-
- pr_cfg.max_entries_rcq = rq1_entries + rq2_entries + rq3_entries;
- pr_cfg.max_entries_scq = sq_entries * 2;
- pr_cfg.max_entries_sq = sq_entries;
- pr_cfg.max_entries_rq1 = rq1_entries;
- pr_cfg.max_entries_rq2 = rq2_entries;
- pr_cfg.max_entries_rq3 = rq3_entries;
-
- pr_cfg_small_rx.max_entries_rcq = 1;
- pr_cfg_small_rx.max_entries_scq = sq_entries;
- pr_cfg_small_rx.max_entries_sq = sq_entries;
- pr_cfg_small_rx.max_entries_rq1 = 1;
- pr_cfg_small_rx.max_entries_rq2 = 1;
- pr_cfg_small_rx.max_entries_rq3 = 1;
-
- for (i = 0; i < def_qps; i++) {
- ret = ehea_init_port_res(port, &port->port_res[i], &pr_cfg, i);
- if (ret)
- goto out_clean_pr;
- }
- for (i = def_qps; i < def_qps; i++) {
- ret = ehea_init_port_res(port, &port->port_res[i],
- &pr_cfg_small_rx, i);
- if (ret)
- goto out_clean_pr;
- }
-
- return 0;
-
-out_clean_pr:
- while (--i >= 0)
- ehea_clean_portres(port, &port->port_res[i]);
-
-out_kill_eq:
- ehea_destroy_eq(port->qp_eq);
- return ret;
-}
-
-static int ehea_clean_all_portres(struct ehea_port *port)
-{
- int ret = 0;
- int i;
-
- for (i = 0; i < port->num_def_qps; i++)
- ret |= ehea_clean_portres(port, &port->port_res[i]);
-
- ret |= ehea_destroy_eq(port->qp_eq);
-
- return ret;
-}
-
-static void ehea_remove_adapter_mr(struct ehea_adapter *adapter)
-{
- if (adapter->active_ports)
- return;
-
- ehea_rem_mr(&adapter->mr);
-}
-
-static int ehea_add_adapter_mr(struct ehea_adapter *adapter)
-{
- if (adapter->active_ports)
- return 0;
-
- return ehea_reg_kernel_mr(adapter, &adapter->mr);
-}
-
-static int ehea_up(struct net_device *dev)
-{
- int ret, i;
- struct ehea_port *port = netdev_priv(dev);
-
- if (port->state == EHEA_PORT_UP)
- return 0;
-
- ret = ehea_port_res_setup(port, port->num_def_qps);
- if (ret) {
- netdev_err(dev, "port_res_failed\n");
- goto out;
- }
-
- /* Set default QP for this port */
- ret = ehea_configure_port(port);
- if (ret) {
- netdev_err(dev, "ehea_configure_port failed. ret:%d\n", ret);
- goto out_clean_pr;
- }
-
- ret = ehea_reg_interrupts(dev);
- if (ret) {
- netdev_err(dev, "reg_interrupts failed. ret:%d\n", ret);
- goto out_clean_pr;
- }
-
- for (i = 0; i < port->num_def_qps; i++) {
- ret = ehea_activate_qp(port->adapter, port->port_res[i].qp);
- if (ret) {
- netdev_err(dev, "activate_qp failed\n");
- goto out_free_irqs;
- }
- }
-
- for (i = 0; i < port->num_def_qps; i++) {
- ret = ehea_fill_port_res(&port->port_res[i]);
- if (ret) {
- netdev_err(dev, "out_free_irqs\n");
- goto out_free_irqs;
- }
- }
-
- ret = ehea_broadcast_reg_helper(port, H_REG_BCMC);
- if (ret) {
- ret = -EIO;
- goto out_free_irqs;
- }
-
- port->state = EHEA_PORT_UP;
-
- ret = 0;
- goto out;
-
-out_free_irqs:
- ehea_free_interrupts(dev);
-
-out_clean_pr:
- ehea_clean_all_portres(port);
-out:
- if (ret)
- netdev_info(dev, "Failed starting. ret=%i\n", ret);
-
- ehea_update_bcmc_registrations();
- ehea_update_firmware_handles();
-
- return ret;
-}
-
-static void port_napi_disable(struct ehea_port *port)
-{
- int i;
-
- for (i = 0; i < port->num_def_qps; i++)
- napi_disable(&port->port_res[i].napi);
-}
-
-static void port_napi_enable(struct ehea_port *port)
-{
- int i;
-
- for (i = 0; i < port->num_def_qps; i++)
- napi_enable(&port->port_res[i].napi);
-}
-
-static int ehea_open(struct net_device *dev)
-{
- int ret;
- struct ehea_port *port = netdev_priv(dev);
-
- mutex_lock(&port->port_lock);
-
- netif_info(port, ifup, dev, "enabling port\n");
-
- netif_carrier_off(dev);
-
- ret = ehea_up(dev);
- if (!ret) {
- port_napi_enable(port);
- netif_tx_start_all_queues(dev);
- }
-
- mutex_unlock(&port->port_lock);
- schedule_delayed_work(&port->stats_work,
- round_jiffies_relative(msecs_to_jiffies(1000)));
-
- return ret;
-}
-
-static int ehea_down(struct net_device *dev)
-{
- int ret;
- struct ehea_port *port = netdev_priv(dev);
-
- if (port->state == EHEA_PORT_DOWN)
- return 0;
-
- ehea_drop_multicast_list(dev);
- ehea_allmulti(dev, 0);
- ehea_broadcast_reg_helper(port, H_DEREG_BCMC);
-
- ehea_free_interrupts(dev);
-
- port->state = EHEA_PORT_DOWN;
-
- ehea_update_bcmc_registrations();
-
- ret = ehea_clean_all_portres(port);
- if (ret)
- netdev_info(dev, "Failed freeing resources. ret=%i\n", ret);
-
- ehea_update_firmware_handles();
-
- return ret;
-}
-
-static int ehea_stop(struct net_device *dev)
-{
- int ret;
- struct ehea_port *port = netdev_priv(dev);
-
- netif_info(port, ifdown, dev, "disabling port\n");
-
- set_bit(__EHEA_DISABLE_PORT_RESET, &port->flags);
- cancel_work_sync(&port->reset_task);
- cancel_delayed_work_sync(&port->stats_work);
- mutex_lock(&port->port_lock);
- netif_tx_stop_all_queues(dev);
- port_napi_disable(port);
- ret = ehea_down(dev);
- mutex_unlock(&port->port_lock);
- clear_bit(__EHEA_DISABLE_PORT_RESET, &port->flags);
- return ret;
-}
-
-static void ehea_purge_sq(struct ehea_qp *orig_qp)
-{
- struct ehea_qp qp = *orig_qp;
- struct ehea_qp_init_attr *init_attr = &qp.init_attr;
- struct ehea_swqe *swqe;
- int wqe_index;
- int i;
-
- for (i = 0; i < init_attr->act_nr_send_wqes; i++) {
- swqe = ehea_get_swqe(&qp, &wqe_index);
- swqe->tx_control |= EHEA_SWQE_PURGE;
- }
-}
-
-static void ehea_flush_sq(struct ehea_port *port)
-{
- int i;
-
- for (i = 0; i < port->num_def_qps; i++) {
- struct ehea_port_res *pr = &port->port_res[i];
- int swqe_max = pr->sq_skba_size - 2 - pr->swqe_ll_count;
- int ret;
-
- ret = wait_event_timeout(port->swqe_avail_wq,
- atomic_read(&pr->swqe_avail) >= swqe_max,
- msecs_to_jiffies(100));
-
- if (!ret) {
- pr_err("WARNING: sq not flushed completely\n");
- break;
- }
- }
-}
-
-static int ehea_stop_qps(struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_adapter *adapter = port->adapter;
- struct hcp_modify_qp_cb0 *cb0;
- int ret = -EIO;
- int dret;
- int i;
- u64 hret;
- u64 dummy64 = 0;
- u16 dummy16 = 0;
-
- cb0 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb0) {
- ret = -ENOMEM;
- goto out;
- }
-
- for (i = 0; i < (port->num_def_qps); i++) {
- struct ehea_port_res *pr = &port->port_res[i];
- struct ehea_qp *qp = pr->qp;
-
- /* Purge send queue */
- ehea_purge_sq(qp);
-
- /* Disable queue pair */
- hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF),
- cb0);
- if (hret != H_SUCCESS) {
- pr_err("query_ehea_qp failed (1)\n");
- goto out;
- }
-
- cb0->qp_ctl_reg = (cb0->qp_ctl_reg & H_QP_CR_RES_STATE) << 8;
- cb0->qp_ctl_reg &= ~H_QP_CR_ENABLED;
-
- hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG,
- 1), cb0, &dummy64,
- &dummy64, &dummy16, &dummy16);
- if (hret != H_SUCCESS) {
- pr_err("modify_ehea_qp failed (1)\n");
- goto out;
- }
-
- hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF),
- cb0);
- if (hret != H_SUCCESS) {
- pr_err("query_ehea_qp failed (2)\n");
- goto out;
- }
-
- /* deregister shared memory regions */
- dret = ehea_rem_smrs(pr);
- if (dret) {
- pr_err("unreg shared memory region failed\n");
- goto out;
- }
- }
-
- ret = 0;
-out:
- free_page((unsigned long)cb0);
-
- return ret;
-}
-
-static void ehea_update_rqs(struct ehea_qp *orig_qp, struct ehea_port_res *pr)
-{
- struct ehea_qp qp = *orig_qp;
- struct ehea_qp_init_attr *init_attr = &qp.init_attr;
- struct ehea_rwqe *rwqe;
- struct sk_buff **skba_rq2 = pr->rq2_skba.arr;
- struct sk_buff **skba_rq3 = pr->rq3_skba.arr;
- struct sk_buff *skb;
- u32 lkey = pr->recv_mr.lkey;
-
-
- int i;
- int index;
-
- for (i = 0; i < init_attr->act_nr_rwqes_rq2 + 1; i++) {
- rwqe = ehea_get_next_rwqe(&qp, 2);
- rwqe->sg_list[0].l_key = lkey;
- index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, rwqe->wr_id);
- skb = skba_rq2[index];
- if (skb)
- rwqe->sg_list[0].vaddr = ehea_map_vaddr(skb->data);
- }
-
- for (i = 0; i < init_attr->act_nr_rwqes_rq3 + 1; i++) {
- rwqe = ehea_get_next_rwqe(&qp, 3);
- rwqe->sg_list[0].l_key = lkey;
- index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, rwqe->wr_id);
- skb = skba_rq3[index];
- if (skb)
- rwqe->sg_list[0].vaddr = ehea_map_vaddr(skb->data);
- }
-}
-
-static int ehea_restart_qps(struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_adapter *adapter = port->adapter;
- int ret = 0;
- int i;
-
- struct hcp_modify_qp_cb0 *cb0;
- u64 hret;
- u64 dummy64 = 0;
- u16 dummy16 = 0;
-
- cb0 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb0)
- return -ENOMEM;
-
- for (i = 0; i < (port->num_def_qps); i++) {
- struct ehea_port_res *pr = &port->port_res[i];
- struct ehea_qp *qp = pr->qp;
-
- ret = ehea_gen_smrs(pr);
- if (ret) {
- netdev_err(dev, "creation of shared memory regions failed\n");
- goto out;
- }
-
- ehea_update_rqs(qp, pr);
-
- /* Enable queue pair */
- hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF),
- cb0);
- if (hret != H_SUCCESS) {
- netdev_err(dev, "query_ehea_qp failed (1)\n");
- ret = -EFAULT;
- goto out;
- }
-
- cb0->qp_ctl_reg = (cb0->qp_ctl_reg & H_QP_CR_RES_STATE) << 8;
- cb0->qp_ctl_reg |= H_QP_CR_ENABLED;
-
- hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG,
- 1), cb0, &dummy64,
- &dummy64, &dummy16, &dummy16);
- if (hret != H_SUCCESS) {
- netdev_err(dev, "modify_ehea_qp failed (1)\n");
- ret = -EFAULT;
- goto out;
- }
-
- hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle,
- EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF),
- cb0);
- if (hret != H_SUCCESS) {
- netdev_err(dev, "query_ehea_qp failed (2)\n");
- ret = -EFAULT;
- goto out;
- }
-
- /* refill entire queue */
- ehea_refill_rq1(pr, pr->rq1_skba.index, 0);
- ehea_refill_rq2(pr, 0);
- ehea_refill_rq3(pr, 0);
- }
-out:
- free_page((unsigned long)cb0);
-
- return ret;
-}
-
-static void ehea_reset_port(struct work_struct *work)
-{
- int ret;
- struct ehea_port *port =
- container_of(work, struct ehea_port, reset_task);
- struct net_device *dev = port->netdev;
-
- mutex_lock(&dlpar_mem_lock);
- port->resets++;
- mutex_lock(&port->port_lock);
- netif_tx_disable(dev);
-
- port_napi_disable(port);
-
- ehea_down(dev);
-
- ret = ehea_up(dev);
- if (ret)
- goto out;
-
- ehea_set_multicast_list(dev);
-
- netif_info(port, timer, dev, "reset successful\n");
-
- port_napi_enable(port);
-
- netif_tx_wake_all_queues(dev);
-out:
- mutex_unlock(&port->port_lock);
- mutex_unlock(&dlpar_mem_lock);
-}
-
-static void ehea_rereg_mrs(void)
-{
- int ret, i;
- struct ehea_adapter *adapter;
-
- pr_info("LPAR memory changed - re-initializing driver\n");
-
- list_for_each_entry(adapter, &adapter_list, list)
- if (adapter->active_ports) {
- /* Shutdown all ports */
- for (i = 0; i < EHEA_MAX_PORTS; i++) {
- struct ehea_port *port = adapter->port[i];
- struct net_device *dev;
-
- if (!port)
- continue;
-
- dev = port->netdev;
-
- if (dev->flags & IFF_UP) {
- mutex_lock(&port->port_lock);
- netif_tx_disable(dev);
- ehea_flush_sq(port);
- ret = ehea_stop_qps(dev);
- if (ret) {
- mutex_unlock(&port->port_lock);
- goto out;
- }
- port_napi_disable(port);
- mutex_unlock(&port->port_lock);
- }
- reset_sq_restart_flag(port);
- }
-
- /* Unregister old memory region */
- ret = ehea_rem_mr(&adapter->mr);
- if (ret) {
- pr_err("unregister MR failed - driver inoperable!\n");
- goto out;
- }
- }
-
- clear_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
-
- list_for_each_entry(adapter, &adapter_list, list)
- if (adapter->active_ports) {
- /* Register new memory region */
- ret = ehea_reg_kernel_mr(adapter, &adapter->mr);
- if (ret) {
- pr_err("register MR failed - driver inoperable!\n");
- goto out;
- }
-
- /* Restart all ports */
- for (i = 0; i < EHEA_MAX_PORTS; i++) {
- struct ehea_port *port = adapter->port[i];
-
- if (port) {
- struct net_device *dev = port->netdev;
-
- if (dev->flags & IFF_UP) {
- mutex_lock(&port->port_lock);
- ret = ehea_restart_qps(dev);
- if (!ret) {
- check_sqs(port);
- port_napi_enable(port);
- netif_tx_wake_all_queues(dev);
- } else {
- netdev_err(dev, "Unable to restart QPS\n");
- }
- mutex_unlock(&port->port_lock);
- }
- }
- }
- }
- pr_info("re-initializing driver complete\n");
-out:
- return;
-}
-
-static void ehea_tx_watchdog(struct net_device *dev, unsigned int txqueue)
-{
- struct ehea_port *port = netdev_priv(dev);
-
- if (netif_carrier_ok(dev) &&
- !test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))
- ehea_schedule_port_reset(port);
-}
-
-static int ehea_sense_adapter_attr(struct ehea_adapter *adapter)
-{
- struct hcp_query_ehea *cb;
- u64 hret;
- int ret;
-
- cb = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb) {
- ret = -ENOMEM;
- goto out;
- }
-
- hret = ehea_h_query_ehea(adapter->handle, cb);
-
- if (hret != H_SUCCESS) {
- ret = -EIO;
- goto out_herr;
- }
-
- adapter->max_mc_mac = cb->max_mc_mac - 1;
- ret = 0;
-
-out_herr:
- free_page((unsigned long)cb);
-out:
- return ret;
-}
-
-static int ehea_get_jumboframe_status(struct ehea_port *port, int *jumbo)
-{
- struct hcp_ehea_port_cb4 *cb4;
- u64 hret;
- int ret = 0;
-
- *jumbo = 0;
-
- /* (Try to) enable *jumbo frames */
- cb4 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb4) {
- pr_err("no mem for cb4\n");
- ret = -ENOMEM;
- goto out;
- } else {
- hret = ehea_h_query_ehea_port(port->adapter->handle,
- port->logical_port_id,
- H_PORT_CB4,
- H_PORT_CB4_JUMBO, cb4);
- if (hret == H_SUCCESS) {
- if (cb4->jumbo_frame)
- *jumbo = 1;
- else {
- cb4->jumbo_frame = 1;
- hret = ehea_h_modify_ehea_port(port->adapter->
- handle,
- port->
- logical_port_id,
- H_PORT_CB4,
- H_PORT_CB4_JUMBO,
- cb4);
- if (hret == H_SUCCESS)
- *jumbo = 1;
- }
- } else
- ret = -EINVAL;
-
- free_page((unsigned long)cb4);
- }
-out:
- return ret;
-}
-
-static ssize_t log_port_id_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct ehea_port *port = container_of(dev, struct ehea_port, ofdev.dev);
- return sprintf(buf, "%d", port->logical_port_id);
-}
-
-static DEVICE_ATTR_RO(log_port_id);
-
-static void logical_port_release(struct device *dev)
-{
- struct ehea_port *port = container_of(dev, struct ehea_port, ofdev.dev);
- of_node_put(port->ofdev.dev.of_node);
-}
-
-static struct device *ehea_register_port(struct ehea_port *port,
- struct device_node *dn)
-{
- int ret;
-
- port->ofdev.dev.of_node = of_node_get(dn);
- port->ofdev.dev.parent = &port->adapter->ofdev->dev;
- port->ofdev.dev.bus = &ibmebus_bus_type;
-
- dev_set_name(&port->ofdev.dev, "port%d", port_name_cnt++);
- port->ofdev.dev.release = logical_port_release;
-
- ret = of_device_register(&port->ofdev);
- if (ret) {
- pr_err("failed to register device. ret=%d\n", ret);
- put_device(&port->ofdev.dev);
- goto out;
- }
-
- ret = device_create_file(&port->ofdev.dev, &dev_attr_log_port_id);
- if (ret) {
- pr_err("failed to register attributes, ret=%d\n", ret);
- goto out_unreg_of_dev;
- }
-
- return &port->ofdev.dev;
-
-out_unreg_of_dev:
- of_device_unregister(&port->ofdev);
-out:
- return NULL;
-}
-
-static void ehea_unregister_port(struct ehea_port *port)
-{
- device_remove_file(&port->ofdev.dev, &dev_attr_log_port_id);
- of_device_unregister(&port->ofdev);
-}
-
-static const struct net_device_ops ehea_netdev_ops = {
- .ndo_open = ehea_open,
- .ndo_stop = ehea_stop,
- .ndo_start_xmit = ehea_start_xmit,
- .ndo_get_stats64 = ehea_get_stats64,
- .ndo_set_mac_address = ehea_set_mac_addr,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_rx_mode = ehea_set_multicast_list,
- .ndo_vlan_rx_add_vid = ehea_vlan_rx_add_vid,
- .ndo_vlan_rx_kill_vid = ehea_vlan_rx_kill_vid,
- .ndo_tx_timeout = ehea_tx_watchdog,
-};
-
-static struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter,
- u32 logical_port_id,
- struct device_node *dn)
-{
- int ret;
- struct net_device *dev;
- struct ehea_port *port;
- struct device *port_dev;
- int jumbo;
-
- /* allocate memory for the port structures */
- dev = alloc_etherdev_mq(sizeof(struct ehea_port), EHEA_MAX_PORT_RES);
-
- if (!dev) {
- ret = -ENOMEM;
- goto out_err;
- }
-
- port = netdev_priv(dev);
-
- mutex_init(&port->port_lock);
- port->state = EHEA_PORT_DOWN;
- port->sig_comp_iv = sq_entries / 10;
-
- port->adapter = adapter;
- port->netdev = dev;
- port->logical_port_id = logical_port_id;
-
- port->msg_enable = netif_msg_init(msg_level, EHEA_MSG_DEFAULT);
-
- port->mc_list = kzalloc_obj(struct ehea_mc_list);
- if (!port->mc_list) {
- ret = -ENOMEM;
- goto out_free_ethdev;
- }
-
- INIT_LIST_HEAD(&port->mc_list->list);
-
- ret = ehea_sense_port_attr(port);
- if (ret)
- goto out_free_mc_list;
-
- netif_set_real_num_rx_queues(dev, port->num_def_qps);
- netif_set_real_num_tx_queues(dev, port->num_def_qps);
-
- port_dev = ehea_register_port(port, dn);
- if (!port_dev)
- goto out_free_mc_list;
-
- SET_NETDEV_DEV(dev, port_dev);
-
- /* initialize net_device structure */
- eth_hw_addr_set(dev, (u8 *)&port->mac_addr);
-
- dev->netdev_ops = &ehea_netdev_ops;
- ehea_set_ethtool_ops(dev);
-
- dev->hw_features = NETIF_F_SG | NETIF_F_TSO |
- NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_CTAG_TX;
- dev->features = NETIF_F_SG | NETIF_F_TSO |
- NETIF_F_HIGHDMA | NETIF_F_IP_CSUM |
- NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
- NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXCSUM;
- dev->vlan_features = NETIF_F_SG | NETIF_F_TSO | NETIF_F_HIGHDMA |
- NETIF_F_IP_CSUM;
- dev->watchdog_timeo = EHEA_WATCH_DOG_TIMEOUT;
-
- /* MTU range: 68 - 9022 */
- dev->min_mtu = ETH_MIN_MTU;
- dev->max_mtu = EHEA_MAX_PACKET_SIZE;
-
- INIT_WORK(&port->reset_task, ehea_reset_port);
- INIT_DELAYED_WORK(&port->stats_work, ehea_update_stats);
-
- init_waitqueue_head(&port->swqe_avail_wq);
- init_waitqueue_head(&port->restart_wq);
-
- ret = register_netdev(dev);
- if (ret) {
- pr_err("register_netdev failed. ret=%d\n", ret);
- goto out_unreg_port;
- }
-
- ret = ehea_get_jumboframe_status(port, &jumbo);
- if (ret)
- netdev_err(dev, "failed determining jumbo frame status\n");
-
- netdev_info(dev, "Jumbo frames are %sabled\n",
- jumbo == 1 ? "en" : "dis");
-
- adapter->active_ports++;
-
- return port;
-
-out_unreg_port:
- ehea_unregister_port(port);
-
-out_free_mc_list:
- kfree(port->mc_list);
-
-out_free_ethdev:
- free_netdev(dev);
-
-out_err:
- pr_err("setting up logical port with id=%d failed, ret=%d\n",
- logical_port_id, ret);
- return NULL;
-}
-
-static void ehea_shutdown_single_port(struct ehea_port *port)
-{
- struct ehea_adapter *adapter = port->adapter;
-
- cancel_work_sync(&port->reset_task);
- cancel_delayed_work_sync(&port->stats_work);
- unregister_netdev(port->netdev);
- ehea_unregister_port(port);
- kfree(port->mc_list);
- free_netdev(port->netdev);
- adapter->active_ports--;
-}
-
-static int ehea_setup_ports(struct ehea_adapter *adapter)
-{
- struct device_node *lhea_dn;
- struct device_node *eth_dn;
-
- const u32 *dn_log_port_id;
- int i = 0;
-
- lhea_dn = adapter->ofdev->dev.of_node;
- for_each_child_of_node(lhea_dn, eth_dn) {
- dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no",
- NULL);
- if (!dn_log_port_id) {
- pr_err("bad device node: eth_dn name=%pOF\n", eth_dn);
- continue;
- }
-
- if (ehea_add_adapter_mr(adapter)) {
- pr_err("creating MR failed\n");
- of_node_put(eth_dn);
- return -EIO;
- }
-
- adapter->port[i] = ehea_setup_single_port(adapter,
- *dn_log_port_id,
- eth_dn);
- if (adapter->port[i])
- netdev_info(adapter->port[i]->netdev,
- "logical port id #%d\n", *dn_log_port_id);
- else
- ehea_remove_adapter_mr(adapter);
-
- i++;
- }
- return 0;
-}
-
-static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter,
- u32 logical_port_id)
-{
- struct device_node *lhea_dn;
- struct device_node *eth_dn;
- const u32 *dn_log_port_id;
-
- lhea_dn = adapter->ofdev->dev.of_node;
- for_each_child_of_node(lhea_dn, eth_dn) {
- dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no",
- NULL);
- if (dn_log_port_id)
- if (*dn_log_port_id == logical_port_id)
- return eth_dn;
- }
-
- return NULL;
-}
-
-static ssize_t probe_port_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct ehea_adapter *adapter = dev_get_drvdata(dev);
- struct ehea_port *port;
- struct device_node *eth_dn = NULL;
- int i;
-
- u32 logical_port_id;
-
- sscanf(buf, "%d", &logical_port_id);
-
- port = ehea_get_port(adapter, logical_port_id);
-
- if (port) {
- netdev_info(port->netdev, "adding port with logical port id=%d failed: port already configured\n",
- logical_port_id);
- return -EINVAL;
- }
-
- eth_dn = ehea_get_eth_dn(adapter, logical_port_id);
-
- if (!eth_dn) {
- pr_info("no logical port with id %d found\n", logical_port_id);
- return -EINVAL;
- }
-
- if (ehea_add_adapter_mr(adapter)) {
- pr_err("creating MR failed\n");
- of_node_put(eth_dn);
- return -EIO;
- }
-
- port = ehea_setup_single_port(adapter, logical_port_id, eth_dn);
-
- of_node_put(eth_dn);
-
- if (port) {
- for (i = 0; i < EHEA_MAX_PORTS; i++)
- if (!adapter->port[i]) {
- adapter->port[i] = port;
- break;
- }
-
- netdev_info(port->netdev, "added: (logical port id=%d)\n",
- logical_port_id);
- } else {
- ehea_remove_adapter_mr(adapter);
- return -EIO;
- }
-
- return (ssize_t) count;
-}
-
-static ssize_t remove_port_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct ehea_adapter *adapter = dev_get_drvdata(dev);
- struct ehea_port *port;
- int i;
- u32 logical_port_id;
-
- sscanf(buf, "%d", &logical_port_id);
-
- port = ehea_get_port(adapter, logical_port_id);
-
- if (port) {
- netdev_info(port->netdev, "removed: (logical port id=%d)\n",
- logical_port_id);
-
- ehea_shutdown_single_port(port);
-
- for (i = 0; i < EHEA_MAX_PORTS; i++)
- if (adapter->port[i] == port) {
- adapter->port[i] = NULL;
- break;
- }
- } else {
- pr_err("removing port with logical port id=%d failed. port not configured.\n",
- logical_port_id);
- return -EINVAL;
- }
-
- ehea_remove_adapter_mr(adapter);
-
- return (ssize_t) count;
-}
-
-static DEVICE_ATTR_WO(probe_port);
-static DEVICE_ATTR_WO(remove_port);
-
-static int ehea_create_device_sysfs(struct platform_device *dev)
-{
- int ret = device_create_file(&dev->dev, &dev_attr_probe_port);
- if (ret)
- goto out;
-
- ret = device_create_file(&dev->dev, &dev_attr_remove_port);
- if (ret)
- device_remove_file(&dev->dev, &dev_attr_probe_port);
-out:
- return ret;
-}
-
-static void ehea_remove_device_sysfs(struct platform_device *dev)
-{
- device_remove_file(&dev->dev, &dev_attr_probe_port);
- device_remove_file(&dev->dev, &dev_attr_remove_port);
-}
-
-static int ehea_reboot_notifier(struct notifier_block *nb,
- unsigned long action, void *unused)
-{
- if (action == SYS_RESTART) {
- pr_info("Reboot: freeing all eHEA resources\n");
- ibmebus_unregister_driver(&ehea_driver);
- }
- return NOTIFY_DONE;
-}
-
-static struct notifier_block ehea_reboot_nb = {
- .notifier_call = ehea_reboot_notifier,
-};
-
-static int ehea_mem_notifier(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- int ret = NOTIFY_BAD;
- struct memory_notify *arg = data;
-
- mutex_lock(&dlpar_mem_lock);
-
- switch (action) {
- case MEM_CANCEL_OFFLINE:
- pr_info("memory offlining canceled");
- fallthrough; /* re-add canceled memory block */
-
- case MEM_ONLINE:
- pr_info("memory is going online");
- set_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
- if (ehea_add_sect_bmap(arg->start_pfn, arg->nr_pages))
- goto out_unlock;
- ehea_rereg_mrs();
- break;
-
- case MEM_GOING_OFFLINE:
- pr_info("memory is going offline");
- set_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
- if (ehea_rem_sect_bmap(arg->start_pfn, arg->nr_pages))
- goto out_unlock;
- ehea_rereg_mrs();
- break;
-
- default:
- break;
- }
-
- ehea_update_firmware_handles();
- ret = NOTIFY_OK;
-
-out_unlock:
- mutex_unlock(&dlpar_mem_lock);
- return ret;
-}
-
-static struct notifier_block ehea_mem_nb = {
- .notifier_call = ehea_mem_notifier,
-};
-
-static void ehea_crash_handler(void)
-{
- int i;
-
- if (ehea_fw_handles.arr)
- for (i = 0; i < ehea_fw_handles.num_entries; i++)
- ehea_h_free_resource(ehea_fw_handles.arr[i].adh,
- ehea_fw_handles.arr[i].fwh,
- FORCE_FREE);
-
- if (ehea_bcmc_regs.arr)
- for (i = 0; i < ehea_bcmc_regs.num_entries; i++)
- ehea_h_reg_dereg_bcmc(ehea_bcmc_regs.arr[i].adh,
- ehea_bcmc_regs.arr[i].port_id,
- ehea_bcmc_regs.arr[i].reg_type,
- ehea_bcmc_regs.arr[i].macaddr,
- 0, H_DEREG_BCMC);
-}
-
-static atomic_t ehea_memory_hooks_registered;
-
-/* Register memory hooks on probe of first adapter */
-static int ehea_register_memory_hooks(void)
-{
- int ret = 0;
-
- if (atomic_inc_return(&ehea_memory_hooks_registered) > 1)
- return 0;
-
- ret = ehea_create_busmap();
- if (ret) {
- pr_info("ehea_create_busmap failed\n");
- goto out;
- }
-
- ret = register_reboot_notifier(&ehea_reboot_nb);
- if (ret) {
- pr_info("register_reboot_notifier failed\n");
- goto out;
- }
-
- ret = register_memory_notifier(&ehea_mem_nb);
- if (ret) {
- pr_info("register_memory_notifier failed\n");
- goto out2;
- }
-
- ret = crash_shutdown_register(ehea_crash_handler);
- if (ret) {
- pr_info("crash_shutdown_register failed\n");
- goto out3;
- }
-
- return 0;
-
-out3:
- unregister_memory_notifier(&ehea_mem_nb);
-out2:
- unregister_reboot_notifier(&ehea_reboot_nb);
-out:
- atomic_dec(&ehea_memory_hooks_registered);
- return ret;
-}
-
-static void ehea_unregister_memory_hooks(void)
-{
- /* Only remove the hooks if we've registered them */
- if (atomic_read(&ehea_memory_hooks_registered) == 0)
- return;
-
- unregister_reboot_notifier(&ehea_reboot_nb);
- if (crash_shutdown_unregister(ehea_crash_handler))
- pr_info("failed unregistering crash handler\n");
- unregister_memory_notifier(&ehea_mem_nb);
-}
-
-static int ehea_probe_adapter(struct platform_device *dev)
-{
- struct ehea_adapter *adapter;
- const u64 *adapter_handle;
- int ret;
- int i;
-
- ret = ehea_register_memory_hooks();
- if (ret)
- return ret;
-
- if (!dev || !dev->dev.of_node) {
- pr_err("Invalid ibmebus device probed\n");
- return -EINVAL;
- }
-
- adapter = devm_kzalloc(&dev->dev, sizeof(*adapter), GFP_KERNEL);
- if (!adapter) {
- ret = -ENOMEM;
- dev_err(&dev->dev, "no mem for ehea_adapter\n");
- goto out;
- }
-
- list_add(&adapter->list, &adapter_list);
-
- adapter->ofdev = dev;
-
- adapter_handle = of_get_property(dev->dev.of_node, "ibm,hea-handle",
- NULL);
- if (adapter_handle)
- adapter->handle = *adapter_handle;
-
- if (!adapter->handle) {
- dev_err(&dev->dev, "failed getting handle for adapter"
- " '%pOF'\n", dev->dev.of_node);
- ret = -ENODEV;
- goto out_free_ad;
- }
-
- adapter->pd = EHEA_PD_ID;
-
- platform_set_drvdata(dev, adapter);
-
-
- /* initialize adapter and ports */
- /* get adapter properties */
- ret = ehea_sense_adapter_attr(adapter);
- if (ret) {
- dev_err(&dev->dev, "sense_adapter_attr failed: %d\n", ret);
- goto out_free_ad;
- }
-
- adapter->neq = ehea_create_eq(adapter,
- EHEA_NEQ, EHEA_MAX_ENTRIES_EQ, 1);
- if (!adapter->neq) {
- ret = -EIO;
- dev_err(&dev->dev, "NEQ creation failed\n");
- goto out_free_ad;
- }
-
- tasklet_setup(&adapter->neq_tasklet, ehea_neq_tasklet);
-
- ret = ehea_create_device_sysfs(dev);
- if (ret)
- goto out_kill_eq;
-
- ret = ehea_setup_ports(adapter);
- if (ret) {
- dev_err(&dev->dev, "setup_ports failed\n");
- goto out_rem_dev_sysfs;
- }
-
- ret = ibmebus_request_irq(adapter->neq->attr.ist1,
- ehea_interrupt_neq, 0,
- "ehea_neq", adapter);
- if (ret) {
- dev_err(&dev->dev, "requesting NEQ IRQ failed\n");
- goto out_shutdown_ports;
- }
-
- /* Handle any events that might be pending. */
- tasklet_hi_schedule(&adapter->neq_tasklet);
-
- ret = 0;
- goto out;
-
-out_shutdown_ports:
- for (i = 0; i < EHEA_MAX_PORTS; i++)
- if (adapter->port[i]) {
- ehea_shutdown_single_port(adapter->port[i]);
- adapter->port[i] = NULL;
- }
-
-out_rem_dev_sysfs:
- ehea_remove_device_sysfs(dev);
-
-out_kill_eq:
- ehea_destroy_eq(adapter->neq);
-
-out_free_ad:
- list_del(&adapter->list);
-
-out:
- ehea_update_firmware_handles();
-
- return ret;
-}
-
-static void ehea_remove(struct platform_device *dev)
-{
- struct ehea_adapter *adapter = platform_get_drvdata(dev);
- int i;
-
- for (i = 0; i < EHEA_MAX_PORTS; i++)
- if (adapter->port[i]) {
- ehea_shutdown_single_port(adapter->port[i]);
- adapter->port[i] = NULL;
- }
-
- ehea_remove_device_sysfs(dev);
-
- ibmebus_free_irq(adapter->neq->attr.ist1, adapter);
- tasklet_kill(&adapter->neq_tasklet);
-
- ehea_destroy_eq(adapter->neq);
- ehea_remove_adapter_mr(adapter);
- list_del(&adapter->list);
-
- ehea_update_firmware_handles();
-}
-
-static int check_module_parm(void)
-{
- int ret = 0;
-
- if ((rq1_entries < EHEA_MIN_ENTRIES_QP) ||
- (rq1_entries > EHEA_MAX_ENTRIES_RQ1)) {
- pr_info("Bad parameter: rq1_entries\n");
- ret = -EINVAL;
- }
- if ((rq2_entries < EHEA_MIN_ENTRIES_QP) ||
- (rq2_entries > EHEA_MAX_ENTRIES_RQ2)) {
- pr_info("Bad parameter: rq2_entries\n");
- ret = -EINVAL;
- }
- if ((rq3_entries < EHEA_MIN_ENTRIES_QP) ||
- (rq3_entries > EHEA_MAX_ENTRIES_RQ3)) {
- pr_info("Bad parameter: rq3_entries\n");
- ret = -EINVAL;
- }
- if ((sq_entries < EHEA_MIN_ENTRIES_QP) ||
- (sq_entries > EHEA_MAX_ENTRIES_SQ)) {
- pr_info("Bad parameter: sq_entries\n");
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static ssize_t capabilities_show(struct device_driver *drv, char *buf)
-{
- return sprintf(buf, "%d", EHEA_CAPABILITIES);
-}
-
-static DRIVER_ATTR_RO(capabilities);
-
-static int __init ehea_module_init(void)
-{
- int ret;
-
- pr_info("IBM eHEA ethernet device driver (Release %s)\n", DRV_VERSION);
-
- memset(&ehea_fw_handles, 0, sizeof(ehea_fw_handles));
- memset(&ehea_bcmc_regs, 0, sizeof(ehea_bcmc_regs));
-
- mutex_init(&ehea_fw_handles.lock);
- spin_lock_init(&ehea_bcmc_regs.lock);
-
- ret = check_module_parm();
- if (ret)
- goto out;
-
- ret = ibmebus_register_driver(&ehea_driver);
- if (ret) {
- pr_err("failed registering eHEA device driver on ebus\n");
- goto out;
- }
-
- ret = driver_create_file(&ehea_driver.driver,
- &driver_attr_capabilities);
- if (ret) {
- pr_err("failed to register capabilities attribute, ret=%d\n",
- ret);
- goto out2;
- }
-
- return ret;
-
-out2:
- ibmebus_unregister_driver(&ehea_driver);
-out:
- return ret;
-}
-
-static void __exit ehea_module_exit(void)
-{
- driver_remove_file(&ehea_driver.driver, &driver_attr_capabilities);
- ibmebus_unregister_driver(&ehea_driver);
- ehea_unregister_memory_hooks();
- kfree(ehea_fw_handles.arr);
- kfree(ehea_bcmc_regs.arr);
- ehea_destroy_busmap();
-}
-
-module_init(ehea_module_init);
-module_exit(ehea_module_exit);
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_phyp.c b/drivers/net/ethernet/ibm/ehea/ehea_phyp.c
deleted file mode 100644
index e63716e139f5..000000000000
--- a/drivers/net/ethernet/ibm/ehea/ehea_phyp.c
+++ /dev/null
@@ -1,612 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * linux/drivers/net/ethernet/ibm/ehea/ehea_phyp.c
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include "ehea_phyp.h"
-
-
-static inline u16 get_order_of_qentries(u16 queue_entries)
-{
- u8 ld = 1; /* logarithmus dualis */
- while (((1U << ld) - 1) < queue_entries)
- ld++;
- return ld - 1;
-}
-
-/* Defines for H_CALL H_ALLOC_RESOURCE */
-#define H_ALL_RES_TYPE_QP 1
-#define H_ALL_RES_TYPE_CQ 2
-#define H_ALL_RES_TYPE_EQ 3
-#define H_ALL_RES_TYPE_MR 5
-#define H_ALL_RES_TYPE_MW 6
-
-static long ehea_plpar_hcall_norets(unsigned long opcode,
- unsigned long arg1,
- unsigned long arg2,
- unsigned long arg3,
- unsigned long arg4,
- unsigned long arg5,
- unsigned long arg6,
- unsigned long arg7)
-{
- long ret;
- int i, sleep_msecs;
-
- for (i = 0; i < 5; i++) {
- ret = plpar_hcall_norets(opcode, arg1, arg2, arg3, arg4,
- arg5, arg6, arg7);
-
- if (H_IS_LONG_BUSY(ret)) {
- sleep_msecs = get_longbusy_msecs(ret);
- msleep_interruptible(sleep_msecs);
- continue;
- }
-
- if (ret < H_SUCCESS)
- pr_err("opcode=%lx ret=%lx"
- " arg1=%lx arg2=%lx arg3=%lx arg4=%lx"
- " arg5=%lx arg6=%lx arg7=%lx\n",
- opcode, ret,
- arg1, arg2, arg3, arg4, arg5, arg6, arg7);
-
- return ret;
- }
-
- return H_BUSY;
-}
-
-static long ehea_plpar_hcall9(unsigned long opcode,
- unsigned long *outs, /* array of 9 outputs */
- unsigned long arg1,
- unsigned long arg2,
- unsigned long arg3,
- unsigned long arg4,
- unsigned long arg5,
- unsigned long arg6,
- unsigned long arg7,
- unsigned long arg8,
- unsigned long arg9)
-{
- long ret;
- int i, sleep_msecs;
- u8 cb_cat;
-
- for (i = 0; i < 5; i++) {
- ret = plpar_hcall9(opcode, outs,
- arg1, arg2, arg3, arg4, arg5,
- arg6, arg7, arg8, arg9);
-
- if (H_IS_LONG_BUSY(ret)) {
- sleep_msecs = get_longbusy_msecs(ret);
- msleep_interruptible(sleep_msecs);
- continue;
- }
-
- cb_cat = EHEA_BMASK_GET(H_MEHEAPORT_CAT, arg2);
-
- if ((ret < H_SUCCESS) && !(((ret == H_AUTHORITY)
- && (opcode == H_MODIFY_HEA_PORT))
- && (((cb_cat == H_PORT_CB4) && ((arg3 == H_PORT_CB4_JUMBO)
- || (arg3 == H_PORT_CB4_SPEED))) || ((cb_cat == H_PORT_CB7)
- && (arg3 == H_PORT_CB7_DUCQPN)))))
- pr_err("opcode=%lx ret=%lx"
- " arg1=%lx arg2=%lx arg3=%lx arg4=%lx"
- " arg5=%lx arg6=%lx arg7=%lx arg8=%lx"
- " arg9=%lx"
- " out1=%lx out2=%lx out3=%lx out4=%lx"
- " out5=%lx out6=%lx out7=%lx out8=%lx"
- " out9=%lx\n",
- opcode, ret,
- arg1, arg2, arg3, arg4, arg5,
- arg6, arg7, arg8, arg9,
- outs[0], outs[1], outs[2], outs[3], outs[4],
- outs[5], outs[6], outs[7], outs[8]);
- return ret;
- }
-
- return H_BUSY;
-}
-
-u64 ehea_h_query_ehea_qp(const u64 adapter_handle, const u8 qp_category,
- const u64 qp_handle, const u64 sel_mask, void *cb_addr)
-{
- return ehea_plpar_hcall_norets(H_QUERY_HEA_QP,
- adapter_handle, /* R4 */
- qp_category, /* R5 */
- qp_handle, /* R6 */
- sel_mask, /* R7 */
- __pa(cb_addr), /* R8 */
- 0, 0);
-}
-
-/* input param R5 */
-#define H_ALL_RES_QP_EQPO EHEA_BMASK_IBM(9, 11)
-#define H_ALL_RES_QP_QPP EHEA_BMASK_IBM(12, 12)
-#define H_ALL_RES_QP_RQR EHEA_BMASK_IBM(13, 15)
-#define H_ALL_RES_QP_EQEG EHEA_BMASK_IBM(16, 16)
-#define H_ALL_RES_QP_LL_QP EHEA_BMASK_IBM(17, 17)
-#define H_ALL_RES_QP_DMA128 EHEA_BMASK_IBM(19, 19)
-#define H_ALL_RES_QP_HSM EHEA_BMASK_IBM(20, 21)
-#define H_ALL_RES_QP_SIGT EHEA_BMASK_IBM(22, 23)
-#define H_ALL_RES_QP_TENURE EHEA_BMASK_IBM(48, 55)
-#define H_ALL_RES_QP_RES_TYP EHEA_BMASK_IBM(56, 63)
-
-/* input param R9 */
-#define H_ALL_RES_QP_TOKEN EHEA_BMASK_IBM(0, 31)
-#define H_ALL_RES_QP_PD EHEA_BMASK_IBM(32, 63)
-
-/* input param R10 */
-#define H_ALL_RES_QP_MAX_SWQE EHEA_BMASK_IBM(4, 7)
-#define H_ALL_RES_QP_MAX_R1WQE EHEA_BMASK_IBM(12, 15)
-#define H_ALL_RES_QP_MAX_R2WQE EHEA_BMASK_IBM(20, 23)
-#define H_ALL_RES_QP_MAX_R3WQE EHEA_BMASK_IBM(28, 31)
-/* Max Send Scatter Gather Elements */
-#define H_ALL_RES_QP_MAX_SSGE EHEA_BMASK_IBM(37, 39)
-#define H_ALL_RES_QP_MAX_R1SGE EHEA_BMASK_IBM(45, 47)
-/* Max Receive SG Elements RQ1 */
-#define H_ALL_RES_QP_MAX_R2SGE EHEA_BMASK_IBM(53, 55)
-#define H_ALL_RES_QP_MAX_R3SGE EHEA_BMASK_IBM(61, 63)
-
-/* input param R11 */
-#define H_ALL_RES_QP_SWQE_IDL EHEA_BMASK_IBM(0, 7)
-/* max swqe immediate data length */
-#define H_ALL_RES_QP_PORT_NUM EHEA_BMASK_IBM(48, 63)
-
-/* input param R12 */
-#define H_ALL_RES_QP_TH_RQ2 EHEA_BMASK_IBM(0, 15)
-/* Threshold RQ2 */
-#define H_ALL_RES_QP_TH_RQ3 EHEA_BMASK_IBM(16, 31)
-/* Threshold RQ3 */
-
-/* output param R6 */
-#define H_ALL_RES_QP_ACT_SWQE EHEA_BMASK_IBM(0, 15)
-#define H_ALL_RES_QP_ACT_R1WQE EHEA_BMASK_IBM(16, 31)
-#define H_ALL_RES_QP_ACT_R2WQE EHEA_BMASK_IBM(32, 47)
-#define H_ALL_RES_QP_ACT_R3WQE EHEA_BMASK_IBM(48, 63)
-
-/* output param, R7 */
-#define H_ALL_RES_QP_ACT_SSGE EHEA_BMASK_IBM(0, 7)
-#define H_ALL_RES_QP_ACT_R1SGE EHEA_BMASK_IBM(8, 15)
-#define H_ALL_RES_QP_ACT_R2SGE EHEA_BMASK_IBM(16, 23)
-#define H_ALL_RES_QP_ACT_R3SGE EHEA_BMASK_IBM(24, 31)
-#define H_ALL_RES_QP_ACT_SWQE_IDL EHEA_BMASK_IBM(32, 39)
-
-/* output param R8,R9 */
-#define H_ALL_RES_QP_SIZE_SQ EHEA_BMASK_IBM(0, 31)
-#define H_ALL_RES_QP_SIZE_RQ1 EHEA_BMASK_IBM(32, 63)
-#define H_ALL_RES_QP_SIZE_RQ2 EHEA_BMASK_IBM(0, 31)
-#define H_ALL_RES_QP_SIZE_RQ3 EHEA_BMASK_IBM(32, 63)
-
-/* output param R11,R12 */
-#define H_ALL_RES_QP_LIOBN_SQ EHEA_BMASK_IBM(0, 31)
-#define H_ALL_RES_QP_LIOBN_RQ1 EHEA_BMASK_IBM(32, 63)
-#define H_ALL_RES_QP_LIOBN_RQ2 EHEA_BMASK_IBM(0, 31)
-#define H_ALL_RES_QP_LIOBN_RQ3 EHEA_BMASK_IBM(32, 63)
-
-u64 ehea_h_alloc_resource_qp(const u64 adapter_handle,
- struct ehea_qp_init_attr *init_attr, const u32 pd,
- u64 *qp_handle, struct h_epas *h_epas)
-{
- u64 hret;
- unsigned long outs[PLPAR_HCALL9_BUFSIZE];
-
- u64 allocate_controls =
- EHEA_BMASK_SET(H_ALL_RES_QP_EQPO, init_attr->low_lat_rq1 ? 1 : 0)
- | EHEA_BMASK_SET(H_ALL_RES_QP_QPP, 0)
- | EHEA_BMASK_SET(H_ALL_RES_QP_RQR, 6) /* rq1 & rq2 & rq3 */
- | EHEA_BMASK_SET(H_ALL_RES_QP_EQEG, 0) /* EQE gen. disabled */
- | EHEA_BMASK_SET(H_ALL_RES_QP_LL_QP, init_attr->low_lat_rq1)
- | EHEA_BMASK_SET(H_ALL_RES_QP_DMA128, 0)
- | EHEA_BMASK_SET(H_ALL_RES_QP_HSM, 0)
- | EHEA_BMASK_SET(H_ALL_RES_QP_SIGT, init_attr->signalingtype)
- | EHEA_BMASK_SET(H_ALL_RES_QP_RES_TYP, H_ALL_RES_TYPE_QP);
-
- u64 r9_reg = EHEA_BMASK_SET(H_ALL_RES_QP_PD, pd)
- | EHEA_BMASK_SET(H_ALL_RES_QP_TOKEN, init_attr->qp_token);
-
- u64 max_r10_reg =
- EHEA_BMASK_SET(H_ALL_RES_QP_MAX_SWQE,
- get_order_of_qentries(init_attr->max_nr_send_wqes))
- | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R1WQE,
- get_order_of_qentries(init_attr->max_nr_rwqes_rq1))
- | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R2WQE,
- get_order_of_qentries(init_attr->max_nr_rwqes_rq2))
- | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R3WQE,
- get_order_of_qentries(init_attr->max_nr_rwqes_rq3))
- | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_SSGE, init_attr->wqe_size_enc_sq)
- | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R1SGE,
- init_attr->wqe_size_enc_rq1)
- | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R2SGE,
- init_attr->wqe_size_enc_rq2)
- | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R3SGE,
- init_attr->wqe_size_enc_rq3);
-
- u64 r11_in =
- EHEA_BMASK_SET(H_ALL_RES_QP_SWQE_IDL, init_attr->swqe_imm_data_len)
- | EHEA_BMASK_SET(H_ALL_RES_QP_PORT_NUM, init_attr->port_nr);
- u64 threshold =
- EHEA_BMASK_SET(H_ALL_RES_QP_TH_RQ2, init_attr->rq2_threshold)
- | EHEA_BMASK_SET(H_ALL_RES_QP_TH_RQ3, init_attr->rq3_threshold);
-
- hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE,
- outs,
- adapter_handle, /* R4 */
- allocate_controls, /* R5 */
- init_attr->send_cq_handle, /* R6 */
- init_attr->recv_cq_handle, /* R7 */
- init_attr->aff_eq_handle, /* R8 */
- r9_reg, /* R9 */
- max_r10_reg, /* R10 */
- r11_in, /* R11 */
- threshold); /* R12 */
-
- *qp_handle = outs[0];
- init_attr->qp_nr = (u32)outs[1];
-
- init_attr->act_nr_send_wqes =
- (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_SWQE, outs[2]);
- init_attr->act_nr_rwqes_rq1 =
- (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R1WQE, outs[2]);
- init_attr->act_nr_rwqes_rq2 =
- (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R2WQE, outs[2]);
- init_attr->act_nr_rwqes_rq3 =
- (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R3WQE, outs[2]);
-
- init_attr->act_wqe_size_enc_sq = init_attr->wqe_size_enc_sq;
- init_attr->act_wqe_size_enc_rq1 = init_attr->wqe_size_enc_rq1;
- init_attr->act_wqe_size_enc_rq2 = init_attr->wqe_size_enc_rq2;
- init_attr->act_wqe_size_enc_rq3 = init_attr->wqe_size_enc_rq3;
-
- init_attr->nr_sq_pages =
- (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_SQ, outs[4]);
- init_attr->nr_rq1_pages =
- (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ1, outs[4]);
- init_attr->nr_rq2_pages =
- (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ2, outs[5]);
- init_attr->nr_rq3_pages =
- (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ3, outs[5]);
-
- init_attr->liobn_sq =
- (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_SQ, outs[7]);
- init_attr->liobn_rq1 =
- (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ1, outs[7]);
- init_attr->liobn_rq2 =
- (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ2, outs[8]);
- init_attr->liobn_rq3 =
- (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ3, outs[8]);
-
- if (!hret)
- hcp_epas_ctor(h_epas, outs[6], outs[6]);
-
- return hret;
-}
-
-u64 ehea_h_alloc_resource_cq(const u64 adapter_handle,
- struct ehea_cq_attr *cq_attr,
- u64 *cq_handle, struct h_epas *epas)
-{
- u64 hret;
- unsigned long outs[PLPAR_HCALL9_BUFSIZE];
-
- hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE,
- outs,
- adapter_handle, /* R4 */
- H_ALL_RES_TYPE_CQ, /* R5 */
- cq_attr->eq_handle, /* R6 */
- cq_attr->cq_token, /* R7 */
- cq_attr->max_nr_of_cqes, /* R8 */
- 0, 0, 0, 0); /* R9-R12 */
-
- *cq_handle = outs[0];
- cq_attr->act_nr_of_cqes = outs[3];
- cq_attr->nr_pages = outs[4];
-
- if (!hret)
- hcp_epas_ctor(epas, outs[5], outs[6]);
-
- return hret;
-}
-
-/* Defines for H_CALL H_ALLOC_RESOURCE */
-#define H_ALL_RES_TYPE_QP 1
-#define H_ALL_RES_TYPE_CQ 2
-#define H_ALL_RES_TYPE_EQ 3
-#define H_ALL_RES_TYPE_MR 5
-#define H_ALL_RES_TYPE_MW 6
-
-/* input param R5 */
-#define H_ALL_RES_EQ_NEQ EHEA_BMASK_IBM(0, 0)
-#define H_ALL_RES_EQ_NON_NEQ_ISN EHEA_BMASK_IBM(6, 7)
-#define H_ALL_RES_EQ_INH_EQE_GEN EHEA_BMASK_IBM(16, 16)
-#define H_ALL_RES_EQ_RES_TYPE EHEA_BMASK_IBM(56, 63)
-/* input param R6 */
-#define H_ALL_RES_EQ_MAX_EQE EHEA_BMASK_IBM(32, 63)
-
-/* output param R6 */
-#define H_ALL_RES_EQ_LIOBN EHEA_BMASK_IBM(32, 63)
-
-/* output param R7 */
-#define H_ALL_RES_EQ_ACT_EQE EHEA_BMASK_IBM(32, 63)
-
-/* output param R8 */
-#define H_ALL_RES_EQ_ACT_PS EHEA_BMASK_IBM(32, 63)
-
-/* output param R9 */
-#define H_ALL_RES_EQ_ACT_EQ_IST_C EHEA_BMASK_IBM(30, 31)
-#define H_ALL_RES_EQ_ACT_EQ_IST_1 EHEA_BMASK_IBM(40, 63)
-
-/* output param R10 */
-#define H_ALL_RES_EQ_ACT_EQ_IST_2 EHEA_BMASK_IBM(40, 63)
-
-/* output param R11 */
-#define H_ALL_RES_EQ_ACT_EQ_IST_3 EHEA_BMASK_IBM(40, 63)
-
-/* output param R12 */
-#define H_ALL_RES_EQ_ACT_EQ_IST_4 EHEA_BMASK_IBM(40, 63)
-
-u64 ehea_h_alloc_resource_eq(const u64 adapter_handle,
- struct ehea_eq_attr *eq_attr, u64 *eq_handle)
-{
- u64 hret, allocate_controls;
- unsigned long outs[PLPAR_HCALL9_BUFSIZE];
-
- /* resource type */
- allocate_controls =
- EHEA_BMASK_SET(H_ALL_RES_EQ_RES_TYPE, H_ALL_RES_TYPE_EQ)
- | EHEA_BMASK_SET(H_ALL_RES_EQ_NEQ, eq_attr->type ? 1 : 0)
- | EHEA_BMASK_SET(H_ALL_RES_EQ_INH_EQE_GEN, !eq_attr->eqe_gen)
- | EHEA_BMASK_SET(H_ALL_RES_EQ_NON_NEQ_ISN, 1);
-
- hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE,
- outs,
- adapter_handle, /* R4 */
- allocate_controls, /* R5 */
- eq_attr->max_nr_of_eqes, /* R6 */
- 0, 0, 0, 0, 0, 0); /* R7-R10 */
-
- *eq_handle = outs[0];
- eq_attr->act_nr_of_eqes = outs[3];
- eq_attr->nr_pages = outs[4];
- eq_attr->ist1 = outs[5];
- eq_attr->ist2 = outs[6];
- eq_attr->ist3 = outs[7];
- eq_attr->ist4 = outs[8];
-
- return hret;
-}
-
-u64 ehea_h_modify_ehea_qp(const u64 adapter_handle, const u8 cat,
- const u64 qp_handle, const u64 sel_mask,
- void *cb_addr, u64 *inv_attr_id, u64 *proc_mask,
- u16 *out_swr, u16 *out_rwr)
-{
- u64 hret;
- unsigned long outs[PLPAR_HCALL9_BUFSIZE];
-
- hret = ehea_plpar_hcall9(H_MODIFY_HEA_QP,
- outs,
- adapter_handle, /* R4 */
- (u64) cat, /* R5 */
- qp_handle, /* R6 */
- sel_mask, /* R7 */
- __pa(cb_addr), /* R8 */
- 0, 0, 0, 0); /* R9-R12 */
-
- *inv_attr_id = outs[0];
- *out_swr = outs[3];
- *out_rwr = outs[4];
- *proc_mask = outs[5];
-
- return hret;
-}
-
-u64 ehea_h_register_rpage(const u64 adapter_handle, const u8 pagesize,
- const u8 queue_type, const u64 resource_handle,
- const u64 log_pageaddr, u64 count)
-{
- u64 reg_control;
-
- reg_control = EHEA_BMASK_SET(H_REG_RPAGE_PAGE_SIZE, pagesize)
- | EHEA_BMASK_SET(H_REG_RPAGE_QT, queue_type);
-
- return ehea_plpar_hcall_norets(H_REGISTER_HEA_RPAGES,
- adapter_handle, /* R4 */
- reg_control, /* R5 */
- resource_handle, /* R6 */
- log_pageaddr, /* R7 */
- count, /* R8 */
- 0, 0); /* R9-R10 */
-}
-
-u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle,
- const u64 vaddr_in, const u32 access_ctrl, const u32 pd,
- struct ehea_mr *mr)
-{
- u64 hret;
- unsigned long outs[PLPAR_HCALL9_BUFSIZE];
-
- hret = ehea_plpar_hcall9(H_REGISTER_SMR,
- outs,
- adapter_handle , /* R4 */
- orig_mr_handle, /* R5 */
- vaddr_in, /* R6 */
- (((u64)access_ctrl) << 32ULL), /* R7 */
- pd, /* R8 */
- 0, 0, 0, 0); /* R9-R12 */
-
- mr->handle = outs[0];
- mr->lkey = (u32)outs[2];
-
- return hret;
-}
-
-u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle)
-{
- unsigned long outs[PLPAR_HCALL9_BUFSIZE];
-
- return ehea_plpar_hcall9(H_DISABLE_AND_GET_HEA,
- outs,
- adapter_handle, /* R4 */
- H_DISABLE_GET_EHEA_WQE_P, /* R5 */
- qp_handle, /* R6 */
- 0, 0, 0, 0, 0, 0); /* R7-R12 */
-}
-
-u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle,
- u64 force_bit)
-{
- return ehea_plpar_hcall_norets(H_FREE_RESOURCE,
- adapter_handle, /* R4 */
- res_handle, /* R5 */
- force_bit,
- 0, 0, 0, 0); /* R7-R10 */
-}
-
-u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr,
- const u64 length, const u32 access_ctrl,
- const u32 pd, u64 *mr_handle, u32 *lkey)
-{
- u64 hret;
- unsigned long outs[PLPAR_HCALL9_BUFSIZE];
-
- hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE,
- outs,
- adapter_handle, /* R4 */
- 5, /* R5 */
- vaddr, /* R6 */
- length, /* R7 */
- (((u64) access_ctrl) << 32ULL), /* R8 */
- pd, /* R9 */
- 0, 0, 0); /* R10-R12 */
-
- *mr_handle = outs[0];
- *lkey = (u32)outs[2];
- return hret;
-}
-
-u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle,
- const u8 pagesize, const u8 queue_type,
- const u64 log_pageaddr, const u64 count)
-{
- if ((count > 1) && (log_pageaddr & ~PAGE_MASK)) {
- pr_err("not on pageboundary\n");
- return H_PARAMETER;
- }
-
- return ehea_h_register_rpage(adapter_handle, pagesize,
- queue_type, mr_handle,
- log_pageaddr, count);
-}
-
-u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr)
-{
- u64 hret, cb_logaddr;
-
- cb_logaddr = __pa(cb_addr);
-
- hret = ehea_plpar_hcall_norets(H_QUERY_HEA,
- adapter_handle, /* R4 */
- cb_logaddr, /* R5 */
- 0, 0, 0, 0, 0); /* R6-R10 */
-#ifdef DEBUG
- ehea_dump(cb_addr, sizeof(struct hcp_query_ehea), "hcp_query_ehea");
-#endif
- return hret;
-}
-
-u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num,
- const u8 cb_cat, const u64 select_mask,
- void *cb_addr)
-{
- u64 port_info;
- u64 cb_logaddr = __pa(cb_addr);
- u64 arr_index = 0;
-
- port_info = EHEA_BMASK_SET(H_MEHEAPORT_CAT, cb_cat)
- | EHEA_BMASK_SET(H_MEHEAPORT_PN, port_num);
-
- return ehea_plpar_hcall_norets(H_QUERY_HEA_PORT,
- adapter_handle, /* R4 */
- port_info, /* R5 */
- select_mask, /* R6 */
- arr_index, /* R7 */
- cb_logaddr, /* R8 */
- 0, 0); /* R9-R10 */
-}
-
-u64 ehea_h_modify_ehea_port(const u64 adapter_handle, const u16 port_num,
- const u8 cb_cat, const u64 select_mask,
- void *cb_addr)
-{
- unsigned long outs[PLPAR_HCALL9_BUFSIZE];
- u64 port_info;
- u64 arr_index = 0;
- u64 cb_logaddr = __pa(cb_addr);
-
- port_info = EHEA_BMASK_SET(H_MEHEAPORT_CAT, cb_cat)
- | EHEA_BMASK_SET(H_MEHEAPORT_PN, port_num);
-#ifdef DEBUG
- ehea_dump(cb_addr, sizeof(struct hcp_ehea_port_cb0), "Before HCALL");
-#endif
- return ehea_plpar_hcall9(H_MODIFY_HEA_PORT,
- outs,
- adapter_handle, /* R4 */
- port_info, /* R5 */
- select_mask, /* R6 */
- arr_index, /* R7 */
- cb_logaddr, /* R8 */
- 0, 0, 0, 0); /* R9-R12 */
-}
-
-u64 ehea_h_reg_dereg_bcmc(const u64 adapter_handle, const u16 port_num,
- const u8 reg_type, const u64 mc_mac_addr,
- const u16 vlan_id, const u32 hcall_id)
-{
- u64 r5_port_num, r6_reg_type, r7_mc_mac_addr, r8_vlan_id;
- u64 mac_addr = mc_mac_addr >> 16;
-
- r5_port_num = EHEA_BMASK_SET(H_REGBCMC_PN, port_num);
- r6_reg_type = EHEA_BMASK_SET(H_REGBCMC_REGTYPE, reg_type);
- r7_mc_mac_addr = EHEA_BMASK_SET(H_REGBCMC_MACADDR, mac_addr);
- r8_vlan_id = EHEA_BMASK_SET(H_REGBCMC_VLANID, vlan_id);
-
- return ehea_plpar_hcall_norets(hcall_id,
- adapter_handle, /* R4 */
- r5_port_num, /* R5 */
- r6_reg_type, /* R6 */
- r7_mc_mac_addr, /* R7 */
- r8_vlan_id, /* R8 */
- 0, 0); /* R9-R12 */
-}
-
-u64 ehea_h_reset_events(const u64 adapter_handle, const u64 neq_handle,
- const u64 event_mask)
-{
- return ehea_plpar_hcall_norets(H_RESET_EVENTS,
- adapter_handle, /* R4 */
- neq_handle, /* R5 */
- event_mask, /* R6 */
- 0, 0, 0, 0); /* R7-R12 */
-}
-
-u64 ehea_h_error_data(const u64 adapter_handle, const u64 ressource_handle,
- void *rblock)
-{
- return ehea_plpar_hcall_norets(H_ERROR_DATA,
- adapter_handle, /* R4 */
- ressource_handle, /* R5 */
- __pa(rblock), /* R6 */
- 0, 0, 0, 0); /* R7-R12 */
-}
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_phyp.h b/drivers/net/ethernet/ibm/ehea/ehea_phyp.h
deleted file mode 100644
index e8b56c103410..000000000000
--- a/drivers/net/ethernet/ibm/ehea/ehea_phyp.h
+++ /dev/null
@@ -1,433 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * linux/drivers/net/ethernet/ibm/ehea/ehea_phyp.h
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- */
-
-#ifndef __EHEA_PHYP_H__
-#define __EHEA_PHYP_H__
-
-#include <linux/delay.h>
-#include <asm/hvcall.h>
-#include "ehea.h"
-#include "ehea_hw.h"
-
-/* Some abbreviations used here:
- *
- * hcp_* - structures, variables and functions releated to Hypervisor Calls
- */
-
-/* Number of pages which can be registered at once by H_REGISTER_HEA_RPAGES */
-#define EHEA_MAX_RPAGE 512
-
-/* Notification Event Queue (NEQ) Entry bit masks */
-#define NEQE_EVENT_CODE EHEA_BMASK_IBM(2, 7)
-#define NEQE_PORTNUM EHEA_BMASK_IBM(32, 47)
-#define NEQE_PORT_UP EHEA_BMASK_IBM(16, 16)
-#define NEQE_EXTSWITCH_PORT_UP EHEA_BMASK_IBM(17, 17)
-#define NEQE_EXTSWITCH_PRIMARY EHEA_BMASK_IBM(18, 18)
-#define NEQE_PLID EHEA_BMASK_IBM(16, 47)
-
-/* Notification Event Codes */
-#define EHEA_EC_PORTSTATE_CHG 0x30
-#define EHEA_EC_ADAPTER_MALFUNC 0x32
-#define EHEA_EC_PORT_MALFUNC 0x33
-
-/* Notification Event Log Register (NELR) bit masks */
-#define NELR_PORT_MALFUNC EHEA_BMASK_IBM(61, 61)
-#define NELR_ADAPTER_MALFUNC EHEA_BMASK_IBM(62, 62)
-#define NELR_PORTSTATE_CHG EHEA_BMASK_IBM(63, 63)
-
-static inline void hcp_epas_ctor(struct h_epas *epas, u64 paddr_kernel,
- u64 paddr_user)
-{
- /* To support 64k pages we must round to 64k page boundary */
- epas->kernel.addr = ioremap((paddr_kernel & PAGE_MASK), PAGE_SIZE) +
- (paddr_kernel & ~PAGE_MASK);
- epas->user.addr = paddr_user;
-}
-
-static inline void hcp_epas_dtor(struct h_epas *epas)
-{
- if (epas->kernel.addr)
- iounmap((void __iomem *)((u64)epas->kernel.addr & PAGE_MASK));
-
- epas->user.addr = 0;
- epas->kernel.addr = 0;
-}
-
-struct hcp_modify_qp_cb0 {
- u64 qp_ctl_reg; /* 00 */
- u32 max_swqe; /* 02 */
- u32 max_rwqe; /* 03 */
- u32 port_nb; /* 04 */
- u32 reserved0; /* 05 */
- u64 qp_aer; /* 06 */
- u64 qp_tenure; /* 08 */
-};
-
-/* Hcall Query/Modify Queue Pair Control Block 0 Selection Mask Bits */
-#define H_QPCB0_ALL EHEA_BMASK_IBM(0, 5)
-#define H_QPCB0_QP_CTL_REG EHEA_BMASK_IBM(0, 0)
-#define H_QPCB0_MAX_SWQE EHEA_BMASK_IBM(1, 1)
-#define H_QPCB0_MAX_RWQE EHEA_BMASK_IBM(2, 2)
-#define H_QPCB0_PORT_NB EHEA_BMASK_IBM(3, 3)
-#define H_QPCB0_QP_AER EHEA_BMASK_IBM(4, 4)
-#define H_QPCB0_QP_TENURE EHEA_BMASK_IBM(5, 5)
-
-/* Queue Pair Control Register Status Bits */
-#define H_QP_CR_ENABLED 0x8000000000000000ULL /* QP enabled */
- /* QP States: */
-#define H_QP_CR_STATE_RESET 0x0000010000000000ULL /* Reset */
-#define H_QP_CR_STATE_INITIALIZED 0x0000020000000000ULL /* Initialized */
-#define H_QP_CR_STATE_RDY2RCV 0x0000030000000000ULL /* Ready to recv */
-#define H_QP_CR_STATE_RDY2SND 0x0000050000000000ULL /* Ready to send */
-#define H_QP_CR_STATE_ERROR 0x0000800000000000ULL /* Error */
-#define H_QP_CR_RES_STATE 0x0000007F00000000ULL /* Resultant state */
-
-struct hcp_modify_qp_cb1 {
- u32 qpn; /* 00 */
- u32 qp_asyn_ev_eq_nb; /* 01 */
- u64 sq_cq_handle; /* 02 */
- u64 rq_cq_handle; /* 04 */
- /* sgel = scatter gather element */
- u32 sgel_nb_sq; /* 06 */
- u32 sgel_nb_rq1; /* 07 */
- u32 sgel_nb_rq2; /* 08 */
- u32 sgel_nb_rq3; /* 09 */
-};
-
-/* Hcall Query/Modify Queue Pair Control Block 1 Selection Mask Bits */
-#define H_QPCB1_ALL EHEA_BMASK_IBM(0, 7)
-#define H_QPCB1_QPN EHEA_BMASK_IBM(0, 0)
-#define H_QPCB1_ASYN_EV_EQ_NB EHEA_BMASK_IBM(1, 1)
-#define H_QPCB1_SQ_CQ_HANDLE EHEA_BMASK_IBM(2, 2)
-#define H_QPCB1_RQ_CQ_HANDLE EHEA_BMASK_IBM(3, 3)
-#define H_QPCB1_SGEL_NB_SQ EHEA_BMASK_IBM(4, 4)
-#define H_QPCB1_SGEL_NB_RQ1 EHEA_BMASK_IBM(5, 5)
-#define H_QPCB1_SGEL_NB_RQ2 EHEA_BMASK_IBM(6, 6)
-#define H_QPCB1_SGEL_NB_RQ3 EHEA_BMASK_IBM(7, 7)
-
-struct hcp_query_ehea {
- u32 cur_num_qps; /* 00 */
- u32 cur_num_cqs; /* 01 */
- u32 cur_num_eqs; /* 02 */
- u32 cur_num_mrs; /* 03 */
- u32 auth_level; /* 04 */
- u32 max_num_qps; /* 05 */
- u32 max_num_cqs; /* 06 */
- u32 max_num_eqs; /* 07 */
- u32 max_num_mrs; /* 08 */
- u32 reserved0; /* 09 */
- u32 int_clock_freq; /* 10 */
- u32 max_num_pds; /* 11 */
- u32 max_num_addr_handles; /* 12 */
- u32 max_num_cqes; /* 13 */
- u32 max_num_wqes; /* 14 */
- u32 max_num_sgel_rq1wqe; /* 15 */
- u32 max_num_sgel_rq2wqe; /* 16 */
- u32 max_num_sgel_rq3wqe; /* 17 */
- u32 mr_page_size; /* 18 */
- u32 reserved1; /* 19 */
- u64 max_mr_size; /* 20 */
- u64 reserved2; /* 22 */
- u32 num_ports; /* 24 */
- u32 reserved3; /* 25 */
- u32 reserved4; /* 26 */
- u32 reserved5; /* 27 */
- u64 max_mc_mac; /* 28 */
- u64 ehea_cap; /* 30 */
- u32 max_isn_per_eq; /* 32 */
- u32 max_num_neq; /* 33 */
- u64 max_num_vlan_ids; /* 34 */
- u32 max_num_port_group; /* 36 */
- u32 max_num_phys_port; /* 37 */
-
-};
-
-/* Hcall Query/Modify Port Control Block defines */
-#define H_PORT_CB0 0
-#define H_PORT_CB1 1
-#define H_PORT_CB2 2
-#define H_PORT_CB3 3
-#define H_PORT_CB4 4
-#define H_PORT_CB5 5
-#define H_PORT_CB6 6
-#define H_PORT_CB7 7
-
-struct hcp_ehea_port_cb0 {
- u64 port_mac_addr;
- u64 port_rc;
- u64 reserved0;
- u32 port_op_state;
- u32 port_speed;
- u32 ext_swport_op_state;
- u32 neg_tpf_prpf;
- u32 num_default_qps;
- u32 reserved1;
- u64 default_qpn_arr[16];
-};
-
-/* Hcall Query/Modify Port Control Block 0 Selection Mask Bits */
-#define H_PORT_CB0_ALL EHEA_BMASK_IBM(0, 7) /* Set all bits */
-#define H_PORT_CB0_MAC EHEA_BMASK_IBM(0, 0) /* MAC address */
-#define H_PORT_CB0_PRC EHEA_BMASK_IBM(1, 1) /* Port Recv Control */
-#define H_PORT_CB0_DEFQPNARRAY EHEA_BMASK_IBM(7, 7) /* Default QPN Array */
-
-/* Hcall Query Port: Returned port speed values */
-#define H_SPEED_10M_H 1 /* 10 Mbps, Half Duplex */
-#define H_SPEED_10M_F 2 /* 10 Mbps, Full Duplex */
-#define H_SPEED_100M_H 3 /* 100 Mbps, Half Duplex */
-#define H_SPEED_100M_F 4 /* 100 Mbps, Full Duplex */
-#define H_SPEED_1G_F 6 /* 1 Gbps, Full Duplex */
-#define H_SPEED_10G_F 8 /* 10 Gbps, Full Duplex */
-
-/* Port Receive Control Status Bits */
-#define PXLY_RC_VALID EHEA_BMASK_IBM(49, 49)
-#define PXLY_RC_VLAN_XTRACT EHEA_BMASK_IBM(50, 50)
-#define PXLY_RC_TCP_6_TUPLE EHEA_BMASK_IBM(51, 51)
-#define PXLY_RC_UDP_6_TUPLE EHEA_BMASK_IBM(52, 52)
-#define PXLY_RC_TCP_3_TUPLE EHEA_BMASK_IBM(53, 53)
-#define PXLY_RC_TCP_2_TUPLE EHEA_BMASK_IBM(54, 54)
-#define PXLY_RC_LLC_SNAP EHEA_BMASK_IBM(55, 55)
-#define PXLY_RC_JUMBO_FRAME EHEA_BMASK_IBM(56, 56)
-#define PXLY_RC_FRAG_IP_PKT EHEA_BMASK_IBM(57, 57)
-#define PXLY_RC_TCP_UDP_CHKSUM EHEA_BMASK_IBM(58, 58)
-#define PXLY_RC_IP_CHKSUM EHEA_BMASK_IBM(59, 59)
-#define PXLY_RC_MAC_FILTER EHEA_BMASK_IBM(60, 60)
-#define PXLY_RC_UNTAG_FILTER EHEA_BMASK_IBM(61, 61)
-#define PXLY_RC_VLAN_TAG_FILTER EHEA_BMASK_IBM(62, 63)
-
-#define PXLY_RC_VLAN_FILTER 2
-#define PXLY_RC_VLAN_PERM 0
-
-
-#define H_PORT_CB1_ALL 0x8000000000000000ULL
-
-struct hcp_ehea_port_cb1 {
- u64 vlan_filter[64];
-};
-
-#define H_PORT_CB2_ALL 0xFFE0000000000000ULL
-
-struct hcp_ehea_port_cb2 {
- u64 rxo;
- u64 rxucp;
- u64 rxufd;
- u64 rxuerr;
- u64 rxftl;
- u64 rxmcp;
- u64 rxbcp;
- u64 txo;
- u64 txucp;
- u64 txmcp;
- u64 txbcp;
-};
-
-struct hcp_ehea_port_cb3 {
- u64 vlan_bc_filter[64];
- u64 vlan_mc_filter[64];
- u64 vlan_un_filter[64];
- u64 port_mac_hash_array[64];
-};
-
-#define H_PORT_CB4_ALL 0xF000000000000000ULL
-#define H_PORT_CB4_JUMBO 0x1000000000000000ULL
-#define H_PORT_CB4_SPEED 0x8000000000000000ULL
-
-struct hcp_ehea_port_cb4 {
- u32 port_speed;
- u32 pause_frame;
- u32 ens_port_op_state;
- u32 jumbo_frame;
- u32 ens_port_wrap;
-};
-
-/* Hcall Query/Modify Port Control Block 5 Selection Mask Bits */
-#define H_PORT_CB5_RCU 0x0001000000000000ULL
-#define PXS_RCU EHEA_BMASK_IBM(61, 63)
-
-struct hcp_ehea_port_cb5 {
- u64 prc; /* 00 */
- u64 uaa; /* 01 */
- u64 macvc; /* 02 */
- u64 xpcsc; /* 03 */
- u64 xpcsp; /* 04 */
- u64 pcsid; /* 05 */
- u64 xpcsst; /* 06 */
- u64 pthlb; /* 07 */
- u64 pthrb; /* 08 */
- u64 pqu; /* 09 */
- u64 pqd; /* 10 */
- u64 prt; /* 11 */
- u64 wsth; /* 12 */
- u64 rcb; /* 13 */
- u64 rcm; /* 14 */
- u64 rcu; /* 15 */
- u64 macc; /* 16 */
- u64 pc; /* 17 */
- u64 pst; /* 18 */
- u64 ducqpn; /* 19 */
- u64 mcqpn; /* 20 */
- u64 mma; /* 21 */
- u64 pmc0h; /* 22 */
- u64 pmc0l; /* 23 */
- u64 lbc; /* 24 */
-};
-
-#define H_PORT_CB6_ALL 0xFFFFFE7FFFFF8000ULL
-
-struct hcp_ehea_port_cb6 {
- u64 rxo; /* 00 */
- u64 rx64; /* 01 */
- u64 rx65; /* 02 */
- u64 rx128; /* 03 */
- u64 rx256; /* 04 */
- u64 rx512; /* 05 */
- u64 rx1024; /* 06 */
- u64 rxbfcs; /* 07 */
- u64 rxime; /* 08 */
- u64 rxrle; /* 09 */
- u64 rxorle; /* 10 */
- u64 rxftl; /* 11 */
- u64 rxjab; /* 12 */
- u64 rxse; /* 13 */
- u64 rxce; /* 14 */
- u64 rxrf; /* 15 */
- u64 rxfrag; /* 16 */
- u64 rxuoc; /* 17 */
- u64 rxcpf; /* 18 */
- u64 rxsb; /* 19 */
- u64 rxfd; /* 20 */
- u64 rxoerr; /* 21 */
- u64 rxaln; /* 22 */
- u64 ducqpn; /* 23 */
- u64 reserved0; /* 24 */
- u64 rxmcp; /* 25 */
- u64 rxbcp; /* 26 */
- u64 txmcp; /* 27 */
- u64 txbcp; /* 28 */
- u64 txo; /* 29 */
- u64 tx64; /* 30 */
- u64 tx65; /* 31 */
- u64 tx128; /* 32 */
- u64 tx256; /* 33 */
- u64 tx512; /* 34 */
- u64 tx1024; /* 35 */
- u64 txbfcs; /* 36 */
- u64 txcpf; /* 37 */
- u64 txlf; /* 38 */
- u64 txrf; /* 39 */
- u64 txime; /* 40 */
- u64 txsc; /* 41 */
- u64 txmc; /* 42 */
- u64 txsqe; /* 43 */
- u64 txdef; /* 44 */
- u64 txlcol; /* 45 */
- u64 txexcol; /* 46 */
- u64 txcse; /* 47 */
- u64 txbor; /* 48 */
-};
-
-#define H_PORT_CB7_DUCQPN 0x8000000000000000ULL
-
-struct hcp_ehea_port_cb7 {
- u64 def_uc_qpn;
-};
-
-u64 ehea_h_query_ehea_qp(const u64 adapter_handle,
- const u8 qp_category,
- const u64 qp_handle, const u64 sel_mask,
- void *cb_addr);
-
-u64 ehea_h_modify_ehea_qp(const u64 adapter_handle,
- const u8 cat,
- const u64 qp_handle,
- const u64 sel_mask,
- void *cb_addr,
- u64 *inv_attr_id,
- u64 *proc_mask, u16 *out_swr, u16 *out_rwr);
-
-u64 ehea_h_alloc_resource_eq(const u64 adapter_handle,
- struct ehea_eq_attr *eq_attr, u64 *eq_handle);
-
-u64 ehea_h_alloc_resource_cq(const u64 adapter_handle,
- struct ehea_cq_attr *cq_attr,
- u64 *cq_handle, struct h_epas *epas);
-
-u64 ehea_h_alloc_resource_qp(const u64 adapter_handle,
- struct ehea_qp_init_attr *init_attr,
- const u32 pd,
- u64 *qp_handle, struct h_epas *h_epas);
-
-#define H_REG_RPAGE_PAGE_SIZE EHEA_BMASK_IBM(48, 55)
-#define H_REG_RPAGE_QT EHEA_BMASK_IBM(62, 63)
-
-u64 ehea_h_register_rpage(const u64 adapter_handle,
- const u8 pagesize,
- const u8 queue_type,
- const u64 resource_handle,
- const u64 log_pageaddr, u64 count);
-
-#define H_DISABLE_GET_EHEA_WQE_P 1
-#define H_DISABLE_GET_SQ_WQE_P 2
-#define H_DISABLE_GET_RQC 3
-
-u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle);
-
-#define FORCE_FREE 1
-#define NORMAL_FREE 0
-
-u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle,
- u64 force_bit);
-
-u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr,
- const u64 length, const u32 access_ctrl,
- const u32 pd, u64 *mr_handle, u32 *lkey);
-
-u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle,
- const u8 pagesize, const u8 queue_type,
- const u64 log_pageaddr, const u64 count);
-
-u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle,
- const u64 vaddr_in, const u32 access_ctrl, const u32 pd,
- struct ehea_mr *mr);
-
-u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr);
-
-/* output param R5 */
-#define H_MEHEAPORT_CAT EHEA_BMASK_IBM(40, 47)
-#define H_MEHEAPORT_PN EHEA_BMASK_IBM(48, 63)
-
-u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num,
- const u8 cb_cat, const u64 select_mask,
- void *cb_addr);
-
-u64 ehea_h_modify_ehea_port(const u64 adapter_handle, const u16 port_num,
- const u8 cb_cat, const u64 select_mask,
- void *cb_addr);
-
-#define H_REGBCMC_PN EHEA_BMASK_IBM(48, 63)
-#define H_REGBCMC_REGTYPE EHEA_BMASK_IBM(60, 63)
-#define H_REGBCMC_MACADDR EHEA_BMASK_IBM(16, 63)
-#define H_REGBCMC_VLANID EHEA_BMASK_IBM(52, 63)
-
-u64 ehea_h_reg_dereg_bcmc(const u64 adapter_handle, const u16 port_num,
- const u8 reg_type, const u64 mc_mac_addr,
- const u16 vlan_id, const u32 hcall_id);
-
-u64 ehea_h_reset_events(const u64 adapter_handle, const u64 neq_handle,
- const u64 event_mask);
-
-u64 ehea_h_error_data(const u64 adapter_handle, const u64 ressource_handle,
- void *rblock);
-
-#endif /* __EHEA_PHYP_H__ */
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_qmr.c b/drivers/net/ethernet/ibm/ehea/ehea_qmr.c
deleted file mode 100644
index 60629a0032b2..000000000000
--- a/drivers/net/ethernet/ibm/ehea/ehea_qmr.c
+++ /dev/null
@@ -1,999 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * linux/drivers/net/ethernet/ibm/ehea/ehea_qmr.c
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include "ehea.h"
-#include "ehea_phyp.h"
-#include "ehea_qmr.h"
-
-static struct ehea_bmap *ehea_bmap;
-
-static void *hw_qpageit_get_inc(struct hw_queue *queue)
-{
- void *retvalue = hw_qeit_get(queue);
-
- queue->current_q_offset += queue->pagesize;
- if (queue->current_q_offset > queue->queue_length) {
- queue->current_q_offset -= queue->pagesize;
- retvalue = NULL;
- } else if (((u64) retvalue) & (EHEA_PAGESIZE-1)) {
- pr_err("not on pageboundary\n");
- retvalue = NULL;
- }
- return retvalue;
-}
-
-static int hw_queue_ctor(struct hw_queue *queue, const u32 nr_of_pages,
- const u32 pagesize, const u32 qe_size)
-{
- int pages_per_kpage = PAGE_SIZE / pagesize;
- int i, k;
-
- if ((pagesize > PAGE_SIZE) || (!pages_per_kpage)) {
- pr_err("pagesize conflict! kernel pagesize=%d, ehea pagesize=%d\n",
- (int)PAGE_SIZE, (int)pagesize);
- return -EINVAL;
- }
-
- queue->queue_length = nr_of_pages * pagesize;
- queue->queue_pages = kmalloc_array(nr_of_pages, sizeof(void *),
- GFP_KERNEL);
- if (!queue->queue_pages)
- return -ENOMEM;
-
- /*
- * allocate pages for queue:
- * outer loop allocates whole kernel pages (page aligned) and
- * inner loop divides a kernel page into smaller hea queue pages
- */
- i = 0;
- while (i < nr_of_pages) {
- u8 *kpage = (u8 *)get_zeroed_page(GFP_KERNEL);
- if (!kpage)
- goto out_nomem;
- for (k = 0; k < pages_per_kpage && i < nr_of_pages; k++) {
- (queue->queue_pages)[i] = (struct ehea_page *)kpage;
- kpage += pagesize;
- i++;
- }
- }
-
- queue->current_q_offset = 0;
- queue->qe_size = qe_size;
- queue->pagesize = pagesize;
- queue->toggle_state = 1;
-
- return 0;
-out_nomem:
- for (i = 0; i < nr_of_pages; i += pages_per_kpage) {
- if (!(queue->queue_pages)[i])
- break;
- free_page((unsigned long)(queue->queue_pages)[i]);
- }
- return -ENOMEM;
-}
-
-static void hw_queue_dtor(struct hw_queue *queue)
-{
- int pages_per_kpage;
- int i, nr_pages;
-
- if (!queue || !queue->queue_pages)
- return;
-
- pages_per_kpage = PAGE_SIZE / queue->pagesize;
-
- nr_pages = queue->queue_length / queue->pagesize;
-
- for (i = 0; i < nr_pages; i += pages_per_kpage)
- free_page((unsigned long)(queue->queue_pages)[i]);
-
- kfree(queue->queue_pages);
-}
-
-struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter,
- int nr_of_cqe, u64 eq_handle, u32 cq_token)
-{
- struct ehea_cq *cq;
- u64 hret, rpage;
- u32 counter;
- int ret;
- void *vpage;
-
- cq = kzalloc_obj(*cq);
- if (!cq)
- goto out_nomem;
-
- cq->attr.max_nr_of_cqes = nr_of_cqe;
- cq->attr.cq_token = cq_token;
- cq->attr.eq_handle = eq_handle;
-
- cq->adapter = adapter;
-
- hret = ehea_h_alloc_resource_cq(adapter->handle, &cq->attr,
- &cq->fw_handle, &cq->epas);
- if (hret != H_SUCCESS) {
- pr_err("alloc_resource_cq failed\n");
- goto out_freemem;
- }
-
- ret = hw_queue_ctor(&cq->hw_queue, cq->attr.nr_pages,
- EHEA_PAGESIZE, sizeof(struct ehea_cqe));
- if (ret)
- goto out_freeres;
-
- for (counter = 0; counter < cq->attr.nr_pages; counter++) {
- vpage = hw_qpageit_get_inc(&cq->hw_queue);
- if (!vpage) {
- pr_err("hw_qpageit_get_inc failed\n");
- goto out_kill_hwq;
- }
-
- rpage = __pa(vpage);
- hret = ehea_h_register_rpage(adapter->handle,
- 0, EHEA_CQ_REGISTER_ORIG,
- cq->fw_handle, rpage, 1);
- if (hret < H_SUCCESS) {
- pr_err("register_rpage_cq failed ehea_cq=%p hret=%llx counter=%i act_pages=%i\n",
- cq, hret, counter, cq->attr.nr_pages);
- goto out_kill_hwq;
- }
-
- if (counter == (cq->attr.nr_pages - 1)) {
- vpage = hw_qpageit_get_inc(&cq->hw_queue);
-
- if ((hret != H_SUCCESS) || (vpage)) {
- pr_err("registration of pages not complete hret=%llx\n",
- hret);
- goto out_kill_hwq;
- }
- } else {
- if (hret != H_PAGE_REGISTERED) {
- pr_err("CQ: registration of page failed hret=%llx\n",
- hret);
- goto out_kill_hwq;
- }
- }
- }
-
- hw_qeit_reset(&cq->hw_queue);
- ehea_reset_cq_ep(cq);
- ehea_reset_cq_n1(cq);
-
- return cq;
-
-out_kill_hwq:
- hw_queue_dtor(&cq->hw_queue);
-
-out_freeres:
- ehea_h_free_resource(adapter->handle, cq->fw_handle, FORCE_FREE);
-
-out_freemem:
- kfree(cq);
-
-out_nomem:
- return NULL;
-}
-
-static u64 ehea_destroy_cq_res(struct ehea_cq *cq, u64 force)
-{
- u64 hret;
- u64 adapter_handle = cq->adapter->handle;
-
- /* deregister all previous registered pages */
- hret = ehea_h_free_resource(adapter_handle, cq->fw_handle, force);
- if (hret != H_SUCCESS)
- return hret;
-
- hw_queue_dtor(&cq->hw_queue);
- kfree(cq);
-
- return hret;
-}
-
-int ehea_destroy_cq(struct ehea_cq *cq)
-{
- u64 hret, aer, aerr;
- if (!cq)
- return 0;
-
- hcp_epas_dtor(&cq->epas);
- hret = ehea_destroy_cq_res(cq, NORMAL_FREE);
- if (hret == H_R_STATE) {
- ehea_error_data(cq->adapter, cq->fw_handle, &aer, &aerr);
- hret = ehea_destroy_cq_res(cq, FORCE_FREE);
- }
-
- if (hret != H_SUCCESS) {
- pr_err("destroy CQ failed\n");
- return -EIO;
- }
-
- return 0;
-}
-
-struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter,
- const enum ehea_eq_type type,
- const u32 max_nr_of_eqes, const u8 eqe_gen)
-{
- int ret, i;
- u64 hret, rpage;
- void *vpage;
- struct ehea_eq *eq;
-
- eq = kzalloc_obj(*eq);
- if (!eq)
- return NULL;
-
- eq->adapter = adapter;
- eq->attr.type = type;
- eq->attr.max_nr_of_eqes = max_nr_of_eqes;
- eq->attr.eqe_gen = eqe_gen;
- spin_lock_init(&eq->spinlock);
-
- hret = ehea_h_alloc_resource_eq(adapter->handle,
- &eq->attr, &eq->fw_handle);
- if (hret != H_SUCCESS) {
- pr_err("alloc_resource_eq failed\n");
- goto out_freemem;
- }
-
- ret = hw_queue_ctor(&eq->hw_queue, eq->attr.nr_pages,
- EHEA_PAGESIZE, sizeof(struct ehea_eqe));
- if (ret) {
- pr_err("can't allocate eq pages\n");
- goto out_freeres;
- }
-
- for (i = 0; i < eq->attr.nr_pages; i++) {
- vpage = hw_qpageit_get_inc(&eq->hw_queue);
- if (!vpage) {
- pr_err("hw_qpageit_get_inc failed\n");
- hret = H_RESOURCE;
- goto out_kill_hwq;
- }
-
- rpage = __pa(vpage);
-
- hret = ehea_h_register_rpage(adapter->handle, 0,
- EHEA_EQ_REGISTER_ORIG,
- eq->fw_handle, rpage, 1);
-
- if (i == (eq->attr.nr_pages - 1)) {
- /* last page */
- vpage = hw_qpageit_get_inc(&eq->hw_queue);
- if ((hret != H_SUCCESS) || (vpage))
- goto out_kill_hwq;
-
- } else {
- if (hret != H_PAGE_REGISTERED)
- goto out_kill_hwq;
-
- }
- }
-
- hw_qeit_reset(&eq->hw_queue);
- return eq;
-
-out_kill_hwq:
- hw_queue_dtor(&eq->hw_queue);
-
-out_freeres:
- ehea_h_free_resource(adapter->handle, eq->fw_handle, FORCE_FREE);
-
-out_freemem:
- kfree(eq);
- return NULL;
-}
-
-struct ehea_eqe *ehea_poll_eq(struct ehea_eq *eq)
-{
- struct ehea_eqe *eqe;
- unsigned long flags;
-
- spin_lock_irqsave(&eq->spinlock, flags);
- eqe = hw_eqit_eq_get_inc_valid(&eq->hw_queue);
- spin_unlock_irqrestore(&eq->spinlock, flags);
-
- return eqe;
-}
-
-static u64 ehea_destroy_eq_res(struct ehea_eq *eq, u64 force)
-{
- u64 hret;
- unsigned long flags;
-
- spin_lock_irqsave(&eq->spinlock, flags);
-
- hret = ehea_h_free_resource(eq->adapter->handle, eq->fw_handle, force);
- spin_unlock_irqrestore(&eq->spinlock, flags);
-
- if (hret != H_SUCCESS)
- return hret;
-
- hw_queue_dtor(&eq->hw_queue);
- kfree(eq);
-
- return hret;
-}
-
-int ehea_destroy_eq(struct ehea_eq *eq)
-{
- u64 hret, aer, aerr;
- if (!eq)
- return 0;
-
- hcp_epas_dtor(&eq->epas);
-
- hret = ehea_destroy_eq_res(eq, NORMAL_FREE);
- if (hret == H_R_STATE) {
- ehea_error_data(eq->adapter, eq->fw_handle, &aer, &aerr);
- hret = ehea_destroy_eq_res(eq, FORCE_FREE);
- }
-
- if (hret != H_SUCCESS) {
- pr_err("destroy EQ failed\n");
- return -EIO;
- }
-
- return 0;
-}
-
-/* allocates memory for a queue and registers pages in phyp */
-static int ehea_qp_alloc_register(struct ehea_qp *qp, struct hw_queue *hw_queue,
- int nr_pages, int wqe_size, int act_nr_sges,
- struct ehea_adapter *adapter, int h_call_q_selector)
-{
- u64 hret, rpage;
- int ret, cnt;
- void *vpage;
-
- ret = hw_queue_ctor(hw_queue, nr_pages, EHEA_PAGESIZE, wqe_size);
- if (ret)
- return ret;
-
- for (cnt = 0; cnt < nr_pages; cnt++) {
- vpage = hw_qpageit_get_inc(hw_queue);
- if (!vpage) {
- pr_err("hw_qpageit_get_inc failed\n");
- goto out_kill_hwq;
- }
- rpage = __pa(vpage);
- hret = ehea_h_register_rpage(adapter->handle,
- 0, h_call_q_selector,
- qp->fw_handle, rpage, 1);
- if (hret < H_SUCCESS) {
- pr_err("register_rpage_qp failed\n");
- goto out_kill_hwq;
- }
- }
- hw_qeit_reset(hw_queue);
- return 0;
-
-out_kill_hwq:
- hw_queue_dtor(hw_queue);
- return -EIO;
-}
-
-static inline u32 map_wqe_size(u8 wqe_enc_size)
-{
- return 128 << wqe_enc_size;
-}
-
-struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter,
- u32 pd, struct ehea_qp_init_attr *init_attr)
-{
- int ret;
- u64 hret;
- struct ehea_qp *qp;
- u32 wqe_size_in_bytes_sq, wqe_size_in_bytes_rq1;
- u32 wqe_size_in_bytes_rq2, wqe_size_in_bytes_rq3;
-
-
- qp = kzalloc_obj(*qp);
- if (!qp)
- return NULL;
-
- qp->adapter = adapter;
-
- hret = ehea_h_alloc_resource_qp(adapter->handle, init_attr, pd,
- &qp->fw_handle, &qp->epas);
- if (hret != H_SUCCESS) {
- pr_err("ehea_h_alloc_resource_qp failed\n");
- goto out_freemem;
- }
-
- wqe_size_in_bytes_sq = map_wqe_size(init_attr->act_wqe_size_enc_sq);
- wqe_size_in_bytes_rq1 = map_wqe_size(init_attr->act_wqe_size_enc_rq1);
- wqe_size_in_bytes_rq2 = map_wqe_size(init_attr->act_wqe_size_enc_rq2);
- wqe_size_in_bytes_rq3 = map_wqe_size(init_attr->act_wqe_size_enc_rq3);
-
- ret = ehea_qp_alloc_register(qp, &qp->hw_squeue, init_attr->nr_sq_pages,
- wqe_size_in_bytes_sq,
- init_attr->act_wqe_size_enc_sq, adapter,
- 0);
- if (ret) {
- pr_err("can't register for sq ret=%x\n", ret);
- goto out_freeres;
- }
-
- ret = ehea_qp_alloc_register(qp, &qp->hw_rqueue1,
- init_attr->nr_rq1_pages,
- wqe_size_in_bytes_rq1,
- init_attr->act_wqe_size_enc_rq1,
- adapter, 1);
- if (ret) {
- pr_err("can't register for rq1 ret=%x\n", ret);
- goto out_kill_hwsq;
- }
-
- if (init_attr->rq_count > 1) {
- ret = ehea_qp_alloc_register(qp, &qp->hw_rqueue2,
- init_attr->nr_rq2_pages,
- wqe_size_in_bytes_rq2,
- init_attr->act_wqe_size_enc_rq2,
- adapter, 2);
- if (ret) {
- pr_err("can't register for rq2 ret=%x\n", ret);
- goto out_kill_hwr1q;
- }
- }
-
- if (init_attr->rq_count > 2) {
- ret = ehea_qp_alloc_register(qp, &qp->hw_rqueue3,
- init_attr->nr_rq3_pages,
- wqe_size_in_bytes_rq3,
- init_attr->act_wqe_size_enc_rq3,
- adapter, 3);
- if (ret) {
- pr_err("can't register for rq3 ret=%x\n", ret);
- goto out_kill_hwr2q;
- }
- }
-
- qp->init_attr = *init_attr;
-
- return qp;
-
-out_kill_hwr2q:
- hw_queue_dtor(&qp->hw_rqueue2);
-
-out_kill_hwr1q:
- hw_queue_dtor(&qp->hw_rqueue1);
-
-out_kill_hwsq:
- hw_queue_dtor(&qp->hw_squeue);
-
-out_freeres:
- ehea_h_disable_and_get_hea(adapter->handle, qp->fw_handle);
- ehea_h_free_resource(adapter->handle, qp->fw_handle, FORCE_FREE);
-
-out_freemem:
- kfree(qp);
- return NULL;
-}
-
-static u64 ehea_destroy_qp_res(struct ehea_qp *qp, u64 force)
-{
- u64 hret;
- struct ehea_qp_init_attr *qp_attr = &qp->init_attr;
-
-
- ehea_h_disable_and_get_hea(qp->adapter->handle, qp->fw_handle);
- hret = ehea_h_free_resource(qp->adapter->handle, qp->fw_handle, force);
- if (hret != H_SUCCESS)
- return hret;
-
- hw_queue_dtor(&qp->hw_squeue);
- hw_queue_dtor(&qp->hw_rqueue1);
-
- if (qp_attr->rq_count > 1)
- hw_queue_dtor(&qp->hw_rqueue2);
- if (qp_attr->rq_count > 2)
- hw_queue_dtor(&qp->hw_rqueue3);
- kfree(qp);
-
- return hret;
-}
-
-int ehea_destroy_qp(struct ehea_qp *qp)
-{
- u64 hret, aer, aerr;
- if (!qp)
- return 0;
-
- hcp_epas_dtor(&qp->epas);
-
- hret = ehea_destroy_qp_res(qp, NORMAL_FREE);
- if (hret == H_R_STATE) {
- ehea_error_data(qp->adapter, qp->fw_handle, &aer, &aerr);
- hret = ehea_destroy_qp_res(qp, FORCE_FREE);
- }
-
- if (hret != H_SUCCESS) {
- pr_err("destroy QP failed\n");
- return -EIO;
- }
-
- return 0;
-}
-
-static inline int ehea_calc_index(unsigned long i, unsigned long s)
-{
- return (i >> s) & EHEA_INDEX_MASK;
-}
-
-static inline int ehea_init_top_bmap(struct ehea_top_bmap *ehea_top_bmap,
- int dir)
-{
- if (!ehea_top_bmap->dir[dir]) {
- ehea_top_bmap->dir[dir] =
- kzalloc_obj(struct ehea_dir_bmap);
- if (!ehea_top_bmap->dir[dir])
- return -ENOMEM;
- }
- return 0;
-}
-
-static inline int ehea_init_bmap(struct ehea_bmap *ehea_bmap, int top, int dir)
-{
- if (!ehea_bmap->top[top]) {
- ehea_bmap->top[top] =
- kzalloc_obj(struct ehea_top_bmap);
- if (!ehea_bmap->top[top])
- return -ENOMEM;
- }
- return ehea_init_top_bmap(ehea_bmap->top[top], dir);
-}
-
-static DEFINE_MUTEX(ehea_busmap_mutex);
-static unsigned long ehea_mr_len;
-
-#define EHEA_BUSMAP_ADD_SECT 1
-#define EHEA_BUSMAP_REM_SECT 0
-
-static void ehea_rebuild_busmap(void)
-{
- u64 vaddr = EHEA_BUSMAP_START;
- int top, dir, idx;
-
- for (top = 0; top < EHEA_MAP_ENTRIES; top++) {
- struct ehea_top_bmap *ehea_top;
- int valid_dir_entries = 0;
-
- if (!ehea_bmap->top[top])
- continue;
- ehea_top = ehea_bmap->top[top];
- for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) {
- struct ehea_dir_bmap *ehea_dir;
- int valid_entries = 0;
-
- if (!ehea_top->dir[dir])
- continue;
- valid_dir_entries++;
- ehea_dir = ehea_top->dir[dir];
- for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) {
- if (!ehea_dir->ent[idx])
- continue;
- valid_entries++;
- ehea_dir->ent[idx] = vaddr;
- vaddr += EHEA_SECTSIZE;
- }
- if (!valid_entries) {
- ehea_top->dir[dir] = NULL;
- kfree(ehea_dir);
- }
- }
- if (!valid_dir_entries) {
- ehea_bmap->top[top] = NULL;
- kfree(ehea_top);
- }
- }
-}
-
-static int ehea_update_busmap(unsigned long pfn, unsigned long nr_pages, int add)
-{
- unsigned long i, start_section, end_section;
-
- if (!nr_pages)
- return 0;
-
- if (!ehea_bmap) {
- ehea_bmap = kzalloc_obj(struct ehea_bmap);
- if (!ehea_bmap)
- return -ENOMEM;
- }
-
- start_section = (pfn * PAGE_SIZE) / EHEA_SECTSIZE;
- end_section = start_section + ((nr_pages * PAGE_SIZE) / EHEA_SECTSIZE);
- /* Mark entries as valid or invalid only; address is assigned later */
- for (i = start_section; i < end_section; i++) {
- u64 flag;
- int top = ehea_calc_index(i, EHEA_TOP_INDEX_SHIFT);
- int dir = ehea_calc_index(i, EHEA_DIR_INDEX_SHIFT);
- int idx = i & EHEA_INDEX_MASK;
-
- if (add) {
- int ret = ehea_init_bmap(ehea_bmap, top, dir);
- if (ret)
- return ret;
- flag = 1; /* valid */
- ehea_mr_len += EHEA_SECTSIZE;
- } else {
- if (!ehea_bmap->top[top])
- continue;
- if (!ehea_bmap->top[top]->dir[dir])
- continue;
- flag = 0; /* invalid */
- ehea_mr_len -= EHEA_SECTSIZE;
- }
-
- ehea_bmap->top[top]->dir[dir]->ent[idx] = flag;
- }
- ehea_rebuild_busmap(); /* Assign contiguous addresses for mr */
- return 0;
-}
-
-int ehea_add_sect_bmap(unsigned long pfn, unsigned long nr_pages)
-{
- int ret;
-
- mutex_lock(&ehea_busmap_mutex);
- ret = ehea_update_busmap(pfn, nr_pages, EHEA_BUSMAP_ADD_SECT);
- mutex_unlock(&ehea_busmap_mutex);
- return ret;
-}
-
-int ehea_rem_sect_bmap(unsigned long pfn, unsigned long nr_pages)
-{
- int ret;
-
- mutex_lock(&ehea_busmap_mutex);
- ret = ehea_update_busmap(pfn, nr_pages, EHEA_BUSMAP_REM_SECT);
- mutex_unlock(&ehea_busmap_mutex);
- return ret;
-}
-
-static int ehea_is_hugepage(unsigned long pfn)
-{
- if (pfn & EHEA_HUGEPAGE_PFN_MASK)
- return 0;
-
- if (page_shift(pfn_to_page(pfn)) != EHEA_HUGEPAGESHIFT)
- return 0;
-
- return 1;
-}
-
-static int ehea_create_busmap_callback(unsigned long initial_pfn,
- unsigned long total_nr_pages, void *arg)
-{
- int ret;
- unsigned long pfn, start_pfn, end_pfn, nr_pages;
-
- if ((total_nr_pages * PAGE_SIZE) < EHEA_HUGEPAGE_SIZE)
- return ehea_update_busmap(initial_pfn, total_nr_pages,
- EHEA_BUSMAP_ADD_SECT);
-
- /* Given chunk is >= 16GB -> check for hugepages */
- start_pfn = initial_pfn;
- end_pfn = initial_pfn + total_nr_pages;
- pfn = start_pfn;
-
- while (pfn < end_pfn) {
- if (ehea_is_hugepage(pfn)) {
- /* Add mem found in front of the hugepage */
- nr_pages = pfn - start_pfn;
- ret = ehea_update_busmap(start_pfn, nr_pages,
- EHEA_BUSMAP_ADD_SECT);
- if (ret)
- return ret;
-
- /* Skip the hugepage */
- pfn += (EHEA_HUGEPAGE_SIZE / PAGE_SIZE);
- start_pfn = pfn;
- } else
- pfn += (EHEA_SECTSIZE / PAGE_SIZE);
- }
-
- /* Add mem found behind the hugepage(s) */
- nr_pages = pfn - start_pfn;
- return ehea_update_busmap(start_pfn, nr_pages, EHEA_BUSMAP_ADD_SECT);
-}
-
-int ehea_create_busmap(void)
-{
- int ret;
-
- mutex_lock(&ehea_busmap_mutex);
- ehea_mr_len = 0;
- ret = walk_system_ram_range(0, 1ULL << MAX_PHYSMEM_BITS, NULL,
- ehea_create_busmap_callback);
- mutex_unlock(&ehea_busmap_mutex);
- return ret;
-}
-
-void ehea_destroy_busmap(void)
-{
- int top, dir;
- mutex_lock(&ehea_busmap_mutex);
- if (!ehea_bmap)
- goto out_destroy;
-
- for (top = 0; top < EHEA_MAP_ENTRIES; top++) {
- if (!ehea_bmap->top[top])
- continue;
-
- for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) {
- if (!ehea_bmap->top[top]->dir[dir])
- continue;
-
- kfree(ehea_bmap->top[top]->dir[dir]);
- }
-
- kfree(ehea_bmap->top[top]);
- }
-
- kfree(ehea_bmap);
- ehea_bmap = NULL;
-out_destroy:
- mutex_unlock(&ehea_busmap_mutex);
-}
-
-u64 ehea_map_vaddr(void *caddr)
-{
- int top, dir, idx;
- unsigned long index, offset;
-
- if (!ehea_bmap)
- return EHEA_INVAL_ADDR;
-
- index = __pa(caddr) >> SECTION_SIZE_BITS;
- top = (index >> EHEA_TOP_INDEX_SHIFT) & EHEA_INDEX_MASK;
- if (!ehea_bmap->top[top])
- return EHEA_INVAL_ADDR;
-
- dir = (index >> EHEA_DIR_INDEX_SHIFT) & EHEA_INDEX_MASK;
- if (!ehea_bmap->top[top]->dir[dir])
- return EHEA_INVAL_ADDR;
-
- idx = index & EHEA_INDEX_MASK;
- if (!ehea_bmap->top[top]->dir[dir]->ent[idx])
- return EHEA_INVAL_ADDR;
-
- offset = (unsigned long)caddr & (EHEA_SECTSIZE - 1);
- return ehea_bmap->top[top]->dir[dir]->ent[idx] | offset;
-}
-
-static inline void *ehea_calc_sectbase(int top, int dir, int idx)
-{
- unsigned long ret = idx;
- ret |= dir << EHEA_DIR_INDEX_SHIFT;
- ret |= top << EHEA_TOP_INDEX_SHIFT;
- return __va(ret << SECTION_SIZE_BITS);
-}
-
-static u64 ehea_reg_mr_section(int top, int dir, int idx, u64 *pt,
- struct ehea_adapter *adapter,
- struct ehea_mr *mr)
-{
- void *pg;
- u64 j, m, hret;
- unsigned long k = 0;
- u64 pt_abs = __pa(pt);
-
- void *sectbase = ehea_calc_sectbase(top, dir, idx);
-
- for (j = 0; j < (EHEA_PAGES_PER_SECTION / EHEA_MAX_RPAGE); j++) {
-
- for (m = 0; m < EHEA_MAX_RPAGE; m++) {
- pg = sectbase + ((k++) * EHEA_PAGESIZE);
- pt[m] = __pa(pg);
- }
- hret = ehea_h_register_rpage_mr(adapter->handle, mr->handle, 0,
- 0, pt_abs, EHEA_MAX_RPAGE);
-
- if ((hret != H_SUCCESS) &&
- (hret != H_PAGE_REGISTERED)) {
- ehea_h_free_resource(adapter->handle, mr->handle,
- FORCE_FREE);
- pr_err("register_rpage_mr failed\n");
- return hret;
- }
- }
- return hret;
-}
-
-static u64 ehea_reg_mr_sections(int top, int dir, u64 *pt,
- struct ehea_adapter *adapter,
- struct ehea_mr *mr)
-{
- u64 hret = H_SUCCESS;
- int idx;
-
- for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) {
- if (!ehea_bmap->top[top]->dir[dir]->ent[idx])
- continue;
-
- hret = ehea_reg_mr_section(top, dir, idx, pt, adapter, mr);
- if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED))
- return hret;
- }
- return hret;
-}
-
-static u64 ehea_reg_mr_dir_sections(int top, u64 *pt,
- struct ehea_adapter *adapter,
- struct ehea_mr *mr)
-{
- u64 hret = H_SUCCESS;
- int dir;
-
- for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) {
- if (!ehea_bmap->top[top]->dir[dir])
- continue;
-
- hret = ehea_reg_mr_sections(top, dir, pt, adapter, mr);
- if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED))
- return hret;
- }
- return hret;
-}
-
-int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr)
-{
- int ret;
- u64 *pt;
- u64 hret;
- u32 acc_ctrl = EHEA_MR_ACC_CTRL;
-
- unsigned long top;
-
- pt = (void *)get_zeroed_page(GFP_KERNEL);
- if (!pt) {
- pr_err("no mem\n");
- ret = -ENOMEM;
- goto out;
- }
-
- hret = ehea_h_alloc_resource_mr(adapter->handle, EHEA_BUSMAP_START,
- ehea_mr_len, acc_ctrl, adapter->pd,
- &mr->handle, &mr->lkey);
-
- if (hret != H_SUCCESS) {
- pr_err("alloc_resource_mr failed\n");
- ret = -EIO;
- goto out;
- }
-
- if (!ehea_bmap) {
- ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE);
- pr_err("no busmap available\n");
- ret = -EIO;
- goto out;
- }
-
- for (top = 0; top < EHEA_MAP_ENTRIES; top++) {
- if (!ehea_bmap->top[top])
- continue;
-
- hret = ehea_reg_mr_dir_sections(top, pt, adapter, mr);
- if((hret != H_PAGE_REGISTERED) && (hret != H_SUCCESS))
- break;
- }
-
- if (hret != H_SUCCESS) {
- ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE);
- pr_err("registering mr failed\n");
- ret = -EIO;
- goto out;
- }
-
- mr->vaddr = EHEA_BUSMAP_START;
- mr->adapter = adapter;
- ret = 0;
-out:
- free_page((unsigned long)pt);
- return ret;
-}
-
-int ehea_rem_mr(struct ehea_mr *mr)
-{
- u64 hret;
-
- if (!mr || !mr->adapter)
- return -EINVAL;
-
- hret = ehea_h_free_resource(mr->adapter->handle, mr->handle,
- FORCE_FREE);
- if (hret != H_SUCCESS) {
- pr_err("destroy MR failed\n");
- return -EIO;
- }
-
- return 0;
-}
-
-int ehea_gen_smr(struct ehea_adapter *adapter, struct ehea_mr *old_mr,
- struct ehea_mr *shared_mr)
-{
- u64 hret;
-
- hret = ehea_h_register_smr(adapter->handle, old_mr->handle,
- old_mr->vaddr, EHEA_MR_ACC_CTRL,
- adapter->pd, shared_mr);
- if (hret != H_SUCCESS)
- return -EIO;
-
- shared_mr->adapter = adapter;
-
- return 0;
-}
-
-static void print_error_data(u64 *data)
-{
- int length;
- u64 type = EHEA_BMASK_GET(ERROR_DATA_TYPE, data[2]);
- u64 resource = data[1];
-
- length = EHEA_BMASK_GET(ERROR_DATA_LENGTH, data[0]);
-
- if (length > EHEA_PAGESIZE)
- length = EHEA_PAGESIZE;
-
- if (type == EHEA_AER_RESTYPE_QP)
- pr_err("QP (resource=%llX) state: AER=0x%llX, AERR=0x%llX, port=%llX\n",
- resource, data[6], data[12], data[22]);
- else if (type == EHEA_AER_RESTYPE_CQ)
- pr_err("CQ (resource=%llX) state: AER=0x%llX\n",
- resource, data[6]);
- else if (type == EHEA_AER_RESTYPE_EQ)
- pr_err("EQ (resource=%llX) state: AER=0x%llX\n",
- resource, data[6]);
-
- ehea_dump(data, length, "error data");
-}
-
-u64 ehea_error_data(struct ehea_adapter *adapter, u64 res_handle,
- u64 *aer, u64 *aerr)
-{
- unsigned long ret;
- u64 *rblock;
- u64 type = 0;
-
- rblock = (void *)get_zeroed_page(GFP_KERNEL);
- if (!rblock) {
- pr_err("Cannot allocate rblock memory\n");
- goto out;
- }
-
- ret = ehea_h_error_data(adapter->handle, res_handle, rblock);
-
- if (ret == H_SUCCESS) {
- type = EHEA_BMASK_GET(ERROR_DATA_TYPE, rblock[2]);
- *aer = rblock[6];
- *aerr = rblock[12];
- print_error_data(rblock);
- } else if (ret == H_R_STATE) {
- pr_err("No error data available: %llX\n", res_handle);
- } else
- pr_err("Error data could not be fetched: %llX\n", res_handle);
-
- free_page((unsigned long)rblock);
-out:
- return type;
-}
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_qmr.h b/drivers/net/ethernet/ibm/ehea/ehea_qmr.h
deleted file mode 100644
index 7c7cccd820f7..000000000000
--- a/drivers/net/ethernet/ibm/ehea/ehea_qmr.h
+++ /dev/null
@@ -1,390 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * linux/drivers/net/ethernet/ibm/ehea/ehea_qmr.h
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- */
-
-#ifndef __EHEA_QMR_H__
-#define __EHEA_QMR_H__
-
-#include <linux/prefetch.h>
-#include "ehea.h"
-#include "ehea_hw.h"
-
-/*
- * page size of ehea hardware queues
- */
-
-#define EHEA_PAGESHIFT 12
-#define EHEA_PAGESIZE (1UL << EHEA_PAGESHIFT)
-#define EHEA_SECTSIZE (1UL << 24)
-#define EHEA_PAGES_PER_SECTION (EHEA_SECTSIZE >> EHEA_PAGESHIFT)
-#define EHEA_HUGEPAGESHIFT 34
-#define EHEA_HUGEPAGE_SIZE (1UL << EHEA_HUGEPAGESHIFT)
-#define EHEA_HUGEPAGE_PFN_MASK ((EHEA_HUGEPAGE_SIZE - 1) >> PAGE_SHIFT)
-
-#if ((1UL << SECTION_SIZE_BITS) < EHEA_SECTSIZE)
-#error eHEA module cannot work if kernel sectionsize < ehea sectionsize
-#endif
-
-/* Some abbreviations used here:
- *
- * WQE - Work Queue Entry
- * SWQE - Send Work Queue Entry
- * RWQE - Receive Work Queue Entry
- * CQE - Completion Queue Entry
- * EQE - Event Queue Entry
- * MR - Memory Region
- */
-
-/* Use of WR_ID field for EHEA */
-#define EHEA_WR_ID_COUNT EHEA_BMASK_IBM(0, 19)
-#define EHEA_WR_ID_TYPE EHEA_BMASK_IBM(20, 23)
-#define EHEA_SWQE2_TYPE 0x1
-#define EHEA_SWQE3_TYPE 0x2
-#define EHEA_RWQE2_TYPE 0x3
-#define EHEA_RWQE3_TYPE 0x4
-#define EHEA_WR_ID_INDEX EHEA_BMASK_IBM(24, 47)
-#define EHEA_WR_ID_REFILL EHEA_BMASK_IBM(48, 63)
-
-struct ehea_vsgentry {
- u64 vaddr;
- u32 l_key;
- u32 len;
-};
-
-/* maximum number of sg entries allowed in a WQE */
-#define EHEA_MAX_WQE_SG_ENTRIES 252
-#define SWQE2_MAX_IMM (0xD0 - 0x30)
-#define SWQE3_MAX_IMM 224
-
-/* tx control flags for swqe */
-#define EHEA_SWQE_CRC 0x8000
-#define EHEA_SWQE_IP_CHECKSUM 0x4000
-#define EHEA_SWQE_TCP_CHECKSUM 0x2000
-#define EHEA_SWQE_TSO 0x1000
-#define EHEA_SWQE_SIGNALLED_COMPLETION 0x0800
-#define EHEA_SWQE_VLAN_INSERT 0x0400
-#define EHEA_SWQE_IMM_DATA_PRESENT 0x0200
-#define EHEA_SWQE_DESCRIPTORS_PRESENT 0x0100
-#define EHEA_SWQE_WRAP_CTL_REC 0x0080
-#define EHEA_SWQE_WRAP_CTL_FORCE 0x0040
-#define EHEA_SWQE_BIND 0x0020
-#define EHEA_SWQE_PURGE 0x0010
-
-/* sizeof(struct ehea_swqe) less the union */
-#define SWQE_HEADER_SIZE 32
-
-struct ehea_swqe {
- u64 wr_id;
- u16 tx_control;
- u16 vlan_tag;
- u8 reserved1;
- u8 ip_start;
- u8 ip_end;
- u8 immediate_data_length;
- u8 tcp_offset;
- u8 reserved2;
- u16 reserved2b;
- u8 wrap_tag;
- u8 descriptors; /* number of valid descriptors in WQE */
- u16 reserved3;
- u16 reserved4;
- u16 mss;
- u32 reserved5;
- union {
- /* Send WQE Format 1 */
- struct {
- struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES];
- } no_immediate_data;
-
- /* Send WQE Format 2 */
- struct {
- struct ehea_vsgentry sg_entry;
- /* 0x30 */
- u8 immediate_data[SWQE2_MAX_IMM];
- /* 0xd0 */
- struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES-1];
- } immdata_desc __packed;
-
- /* Send WQE Format 3 */
- struct {
- u8 immediate_data[SWQE3_MAX_IMM];
- } immdata_nodesc;
- } u;
-};
-
-struct ehea_rwqe {
- u64 wr_id; /* work request ID */
- u8 reserved1[5];
- u8 data_segments;
- u16 reserved2;
- u64 reserved3;
- u64 reserved4;
- struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES];
-};
-
-#define EHEA_CQE_VLAN_TAG_XTRACT 0x0400
-
-#define EHEA_CQE_TYPE_RQ 0x60
-#define EHEA_CQE_STAT_ERR_MASK 0x700F
-#define EHEA_CQE_STAT_FAT_ERR_MASK 0xF
-#define EHEA_CQE_BLIND_CKSUM 0x8000
-#define EHEA_CQE_STAT_ERR_TCP 0x4000
-#define EHEA_CQE_STAT_ERR_IP 0x2000
-#define EHEA_CQE_STAT_ERR_CRC 0x1000
-
-/* Defines which bad send cqe stati lead to a port reset */
-#define EHEA_CQE_STAT_RESET_MASK 0x0002
-
-struct ehea_cqe {
- u64 wr_id; /* work request ID from WQE */
- u8 type;
- u8 valid;
- u16 status;
- u16 reserved1;
- u16 num_bytes_transfered;
- u16 vlan_tag;
- u16 inet_checksum_value;
- u8 reserved2;
- u8 header_length;
- u16 reserved3;
- u16 page_offset;
- u16 wqe_count;
- u32 qp_token;
- u32 timestamp;
- u32 reserved4;
- u64 reserved5[3];
-};
-
-#define EHEA_EQE_VALID EHEA_BMASK_IBM(0, 0)
-#define EHEA_EQE_IS_CQE EHEA_BMASK_IBM(1, 1)
-#define EHEA_EQE_IDENTIFIER EHEA_BMASK_IBM(2, 7)
-#define EHEA_EQE_QP_CQ_NUMBER EHEA_BMASK_IBM(8, 31)
-#define EHEA_EQE_QP_TOKEN EHEA_BMASK_IBM(32, 63)
-#define EHEA_EQE_CQ_TOKEN EHEA_BMASK_IBM(32, 63)
-#define EHEA_EQE_KEY EHEA_BMASK_IBM(32, 63)
-#define EHEA_EQE_PORT_NUMBER EHEA_BMASK_IBM(56, 63)
-#define EHEA_EQE_EQ_NUMBER EHEA_BMASK_IBM(48, 63)
-#define EHEA_EQE_SM_ID EHEA_BMASK_IBM(48, 63)
-#define EHEA_EQE_SM_MECH_NUMBER EHEA_BMASK_IBM(48, 55)
-#define EHEA_EQE_SM_PORT_NUMBER EHEA_BMASK_IBM(56, 63)
-
-#define EHEA_AER_RESTYPE_QP 0x8
-#define EHEA_AER_RESTYPE_CQ 0x4
-#define EHEA_AER_RESTYPE_EQ 0x3
-
-/* Defines which affiliated errors lead to a port reset */
-#define EHEA_AER_RESET_MASK 0xFFFFFFFFFEFFFFFFULL
-#define EHEA_AERR_RESET_MASK 0xFFFFFFFFFFFFFFFFULL
-
-struct ehea_eqe {
- u64 entry;
-};
-
-#define ERROR_DATA_LENGTH EHEA_BMASK_IBM(52, 63)
-#define ERROR_DATA_TYPE EHEA_BMASK_IBM(0, 7)
-
-static inline void *hw_qeit_calc(struct hw_queue *queue, u64 q_offset)
-{
- struct ehea_page *current_page;
-
- if (q_offset >= queue->queue_length)
- q_offset -= queue->queue_length;
- current_page = (queue->queue_pages)[q_offset >> EHEA_PAGESHIFT];
- return &current_page->entries[q_offset & (EHEA_PAGESIZE - 1)];
-}
-
-static inline void *hw_qeit_get(struct hw_queue *queue)
-{
- return hw_qeit_calc(queue, queue->current_q_offset);
-}
-
-static inline void hw_qeit_inc(struct hw_queue *queue)
-{
- queue->current_q_offset += queue->qe_size;
- if (queue->current_q_offset >= queue->queue_length) {
- queue->current_q_offset = 0;
- /* toggle the valid flag */
- queue->toggle_state = (~queue->toggle_state) & 1;
- }
-}
-
-static inline void *hw_qeit_get_inc(struct hw_queue *queue)
-{
- void *retvalue = hw_qeit_get(queue);
- hw_qeit_inc(queue);
- return retvalue;
-}
-
-static inline void *hw_qeit_get_inc_valid(struct hw_queue *queue)
-{
- struct ehea_cqe *retvalue = hw_qeit_get(queue);
- u8 valid = retvalue->valid;
- void *pref;
-
- if ((valid >> 7) == (queue->toggle_state & 1)) {
- /* this is a good one */
- hw_qeit_inc(queue);
- pref = hw_qeit_calc(queue, queue->current_q_offset);
- prefetch(pref);
- prefetch(pref + 128);
- } else
- retvalue = NULL;
- return retvalue;
-}
-
-static inline void *hw_qeit_get_valid(struct hw_queue *queue)
-{
- struct ehea_cqe *retvalue = hw_qeit_get(queue);
- void *pref;
- u8 valid;
-
- pref = hw_qeit_calc(queue, queue->current_q_offset);
- prefetch(pref);
- prefetch(pref + 128);
- prefetch(pref + 256);
- valid = retvalue->valid;
- if (!((valid >> 7) == (queue->toggle_state & 1)))
- retvalue = NULL;
- return retvalue;
-}
-
-static inline void *hw_qeit_reset(struct hw_queue *queue)
-{
- queue->current_q_offset = 0;
- return hw_qeit_get(queue);
-}
-
-static inline void *hw_qeit_eq_get_inc(struct hw_queue *queue)
-{
- u64 last_entry_in_q = queue->queue_length - queue->qe_size;
- void *retvalue;
-
- retvalue = hw_qeit_get(queue);
- queue->current_q_offset += queue->qe_size;
- if (queue->current_q_offset > last_entry_in_q) {
- queue->current_q_offset = 0;
- queue->toggle_state = (~queue->toggle_state) & 1;
- }
- return retvalue;
-}
-
-static inline void *hw_eqit_eq_get_inc_valid(struct hw_queue *queue)
-{
- void *retvalue = hw_qeit_get(queue);
- u32 qe = *(u8 *)retvalue;
- if ((qe >> 7) == (queue->toggle_state & 1))
- hw_qeit_eq_get_inc(queue);
- else
- retvalue = NULL;
- return retvalue;
-}
-
-static inline struct ehea_rwqe *ehea_get_next_rwqe(struct ehea_qp *qp,
- int rq_nr)
-{
- struct hw_queue *queue;
-
- if (rq_nr == 1)
- queue = &qp->hw_rqueue1;
- else if (rq_nr == 2)
- queue = &qp->hw_rqueue2;
- else
- queue = &qp->hw_rqueue3;
-
- return hw_qeit_get_inc(queue);
-}
-
-static inline struct ehea_swqe *ehea_get_swqe(struct ehea_qp *my_qp,
- int *wqe_index)
-{
- struct hw_queue *queue = &my_qp->hw_squeue;
- struct ehea_swqe *wqe_p;
-
- *wqe_index = (queue->current_q_offset) >> (7 + EHEA_SG_SQ);
- wqe_p = hw_qeit_get_inc(&my_qp->hw_squeue);
-
- return wqe_p;
-}
-
-static inline void ehea_post_swqe(struct ehea_qp *my_qp, struct ehea_swqe *swqe)
-{
- iosync();
- ehea_update_sqa(my_qp, 1);
-}
-
-static inline struct ehea_cqe *ehea_poll_rq1(struct ehea_qp *qp, int *wqe_index)
-{
- struct hw_queue *queue = &qp->hw_rqueue1;
-
- *wqe_index = (queue->current_q_offset) >> (7 + EHEA_SG_RQ1);
- return hw_qeit_get_valid(queue);
-}
-
-static inline void ehea_inc_cq(struct ehea_cq *cq)
-{
- hw_qeit_inc(&cq->hw_queue);
-}
-
-static inline void ehea_inc_rq1(struct ehea_qp *qp)
-{
- hw_qeit_inc(&qp->hw_rqueue1);
-}
-
-static inline struct ehea_cqe *ehea_poll_cq(struct ehea_cq *my_cq)
-{
- return hw_qeit_get_valid(&my_cq->hw_queue);
-}
-
-#define EHEA_CQ_REGISTER_ORIG 0
-#define EHEA_EQ_REGISTER_ORIG 0
-
-enum ehea_eq_type {
- EHEA_EQ = 0, /* event queue */
- EHEA_NEQ /* notification event queue */
-};
-
-struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter,
- enum ehea_eq_type type,
- const u32 length, const u8 eqe_gen);
-
-int ehea_destroy_eq(struct ehea_eq *eq);
-
-struct ehea_eqe *ehea_poll_eq(struct ehea_eq *eq);
-
-struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter, int cqe,
- u64 eq_handle, u32 cq_token);
-
-int ehea_destroy_cq(struct ehea_cq *cq);
-
-struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter, u32 pd,
- struct ehea_qp_init_attr *init_attr);
-
-int ehea_destroy_qp(struct ehea_qp *qp);
-
-int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr);
-
-int ehea_gen_smr(struct ehea_adapter *adapter, struct ehea_mr *old_mr,
- struct ehea_mr *shared_mr);
-
-int ehea_rem_mr(struct ehea_mr *mr);
-
-u64 ehea_error_data(struct ehea_adapter *adapter, u64 res_handle,
- u64 *aer, u64 *aerr);
-
-int ehea_add_sect_bmap(unsigned long pfn, unsigned long nr_pages);
-int ehea_rem_sect_bmap(unsigned long pfn, unsigned long nr_pages);
-int ehea_create_busmap(void);
-void ehea_destroy_busmap(void);
-u64 ehea_map_vaddr(void *caddr);
-
-#endif /* __EHEA_QMR_H__ */
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 894f2d06d39d..ef5e657816f0 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -3129,7 +3129,7 @@ static int i40e_tso(struct i40e_tx_buffer *first, u8 *hdr_len,
SKB_GSO_UDP_TUNNEL_CSUM)) {
if (!(skb_shinfo(skb)->gso_type & SKB_GSO_PARTIAL) &&
(skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL_CSUM)) {
- l4.udp->len = 0;
+ udp_set_len_short(l4.udp, 0);
/* determine offset of outer transport header */
l4_offset = l4.hdr - skb->data;
diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c
index 363c42bf3dcf..c30abf17cf5d 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c
@@ -1774,7 +1774,7 @@ static int iavf_tso(struct iavf_tx_buffer *first, u8 *hdr_len,
SKB_GSO_UDP_TUNNEL_CSUM)) {
if (!(skb_shinfo(skb)->gso_type & SKB_GSO_PARTIAL) &&
(skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL_CSUM)) {
- l4.udp->len = 0;
+ udp_set_len_short(l4.udp, 0);
/* determine offset of outer transport header */
l4_offset = l4.hdr - skb->data;
diff --git a/drivers/net/ethernet/intel/ice/ice_gnss.c b/drivers/net/ethernet/intel/ice/ice_gnss.c
index 8fd954f1ebd6..7d21c3417b0b 100644
--- a/drivers/net/ethernet/intel/ice/ice_gnss.c
+++ b/drivers/net/ethernet/intel/ice/ice_gnss.c
@@ -2,6 +2,7 @@
/* Copyright (C) 2021-2022, Intel Corporation. */
#include "ice.h"
+#include <linux/slab.h>
#include "ice_lib.h"
/**
@@ -124,7 +125,7 @@ static void ice_gnss_read(struct kthread_work *work)
data_len = min_t(typeof(data_len), data_len, PAGE_SIZE);
- buf = (char *)get_zeroed_page(GFP_KERNEL);
+ buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!buf) {
err = -ENOMEM;
goto requeue;
@@ -151,7 +152,7 @@ static void ice_gnss_read(struct kthread_work *work)
count, i);
delay = ICE_GNSS_TIMER_DELAY_TIME;
free_buf:
- free_page((unsigned long)buf);
+ kfree(buf);
requeue:
kthread_queue_delayed_work(gnss->kworker, &gnss->read_work, delay);
if (err)
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index c04c5856dad6..31303ab5be17 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -1891,7 +1891,7 @@ int ice_tso(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
SKB_GSO_UDP_TUNNEL_CSUM)) {
if (!(skb_shinfo(skb)->gso_type & SKB_GSO_PARTIAL) &&
(skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL_CSUM)) {
- l4.udp->len = 0;
+ udp_set_len_short(l4.udp, 0);
/* determine offset of outer transport header */
l4_start = (u8)(l4.hdr - skb->data);
diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
index 7f9056404f64..566b08ca3a6c 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
@@ -2871,7 +2871,7 @@ int idpf_tso(struct sk_buff *skb, struct idpf_tx_offload_params *off)
(__force __wsum)htonl(paylen));
/* compute length of segmentation header */
off->tso_hdr_len = sizeof(struct udphdr) + l4_start;
- l4.udp->len = htons(shinfo->gso_size + sizeof(struct udphdr));
+ udp_set_len_short(l4.udp, shinfo->gso_size + sizeof(struct udphdr));
break;
default:
return -EINVAL;
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.h b/drivers/net/ethernet/intel/igb/e1000_82575.h
index 63ec253ac788..9e696d55e512 100644
--- a/drivers/net/ethernet/intel/igb/e1000_82575.h
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.h
@@ -87,6 +87,27 @@ union e1000_adv_rx_desc {
} wb; /* writeback */
};
+#define E1000_RSS_TYPE_NO_HASH 0
+#define E1000_RSS_TYPE_HASH_TCP_IPV4 1
+#define E1000_RSS_TYPE_HASH_IPV4 2
+#define E1000_RSS_TYPE_HASH_TCP_IPV6 3
+#define E1000_RSS_TYPE_HASH_IPV6_EX 4
+#define E1000_RSS_TYPE_HASH_IPV6 5
+#define E1000_RSS_TYPE_HASH_TCP_IPV6_EX 6
+#define E1000_RSS_TYPE_HASH_UDP_IPV4 7
+#define E1000_RSS_TYPE_HASH_UDP_IPV6 8
+#define E1000_RSS_TYPE_HASH_UDP_IPV6_EX 9
+
+#define E1000_RSS_TYPE_MASK GENMASK(3, 0)
+
+#define E1000_RSS_L4_TYPES_MASK \
+ (BIT(E1000_RSS_TYPE_HASH_TCP_IPV4) | \
+ BIT(E1000_RSS_TYPE_HASH_TCP_IPV6) | \
+ BIT(E1000_RSS_TYPE_HASH_TCP_IPV6_EX) | \
+ BIT(E1000_RSS_TYPE_HASH_UDP_IPV4) | \
+ BIT(E1000_RSS_TYPE_HASH_UDP_IPV6) | \
+ BIT(E1000_RSS_TYPE_HASH_UDP_IPV6_EX))
+
#define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0
#define E1000_RXDADV_HDRBUFLEN_SHIFT 5
#define E1000_RXDADV_STAT_TS 0x10000 /* Pkt was time stamped */
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index 0fff1df81b7b..8c9b02058cec 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -495,6 +495,7 @@ struct hwmon_buff {
#define IGB_N_PEROUT 2
#define IGB_N_SDP 4
#define IGB_RETA_SIZE 128
+#define IGB_RSS_KEY_SIZE 40
enum igb_filter_match_flags {
IGB_FILTER_FLAG_ETHER_TYPE = 0x1,
@@ -655,6 +656,7 @@ struct igb_adapter {
struct i2c_client *i2c_client;
u32 rss_indir_tbl_init;
u8 rss_indir_tbl[IGB_RETA_SIZE];
+ u8 rss_key[IGB_RSS_KEY_SIZE];
unsigned long link_check_timeout;
int copper_tries;
@@ -735,6 +737,7 @@ void igb_down(struct igb_adapter *);
void igb_reinit_locked(struct igb_adapter *);
void igb_reset(struct igb_adapter *);
int igb_reinit_queues(struct igb_adapter *);
+void igb_write_rss_key(struct igb_adapter *adapter);
void igb_write_rss_indir_tbl(struct igb_adapter *);
int igb_set_spd_dplx(struct igb_adapter *, u32, u8);
int igb_setup_tx_resources(struct igb_ring *);
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index f7938c1da835..65014a54a6d1 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -3019,6 +3019,27 @@ static int igb_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
return ret;
}
+/**
+ * igb_write_rss_key - Program the RSS key into device registers
+ * @adapter: board private structure
+ *
+ * Write the RSS key stored in adapter->rss_key to the E1000 hardware registers.
+ * Each 32-bit chunk of the key is read using get_unaligned_le32() and written
+ * to the appropriate register.
+ */
+void igb_write_rss_key(struct igb_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+
+ ASSERT_RTNL();
+
+ for (int i = 0; i < IGB_RSS_KEY_SIZE / 4; i++) {
+ u32 val = get_unaligned_le32(&adapter->rss_key[i * 4]);
+
+ wr32(E1000_RSSRK(i), val);
+ }
+}
+
static int igb_get_eee(struct net_device *netdev, struct ethtool_keee *edata)
{
struct igb_adapter *adapter = netdev_priv(netdev);
@@ -3276,10 +3297,12 @@ static int igb_get_rxfh(struct net_device *netdev,
int i;
rxfh->hfunc = ETH_RSS_HASH_TOP;
- if (!rxfh->indir)
- return 0;
- for (i = 0; i < IGB_RETA_SIZE; i++)
- rxfh->indir[i] = adapter->rss_indir_tbl[i];
+ if (rxfh->indir)
+ for (i = 0; i < IGB_RETA_SIZE; i++)
+ rxfh->indir[i] = adapter->rss_indir_tbl[i];
+
+ if (rxfh->key)
+ memcpy(rxfh->key, adapter->rss_key, sizeof(adapter->rss_key));
return 0;
}
@@ -3319,6 +3342,11 @@ void igb_write_rss_indir_tbl(struct igb_adapter *adapter)
}
}
+static u32 igb_get_rxfh_key_size(struct net_device *netdev)
+{
+ return IGB_RSS_KEY_SIZE;
+}
+
static int igb_set_rxfh(struct net_device *netdev,
struct ethtool_rxfh_param *rxfh,
struct netlink_ext_ack *extack)
@@ -3329,35 +3357,39 @@ static int igb_set_rxfh(struct net_device *netdev,
u32 num_queues;
/* We do not allow change in unsupported parameters */
- if (rxfh->key ||
- (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
- rxfh->hfunc != ETH_RSS_HASH_TOP))
+ if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
+ rxfh->hfunc != ETH_RSS_HASH_TOP)
return -EOPNOTSUPP;
- if (!rxfh->indir)
- return 0;
- num_queues = adapter->rss_queues;
+ if (rxfh->indir) {
+ num_queues = adapter->rss_queues;
- switch (hw->mac.type) {
- case e1000_82576:
- /* 82576 supports 2 RSS queues for SR-IOV */
- if (adapter->vfs_allocated_count)
- num_queues = 2;
- break;
- default:
- break;
- }
+ switch (hw->mac.type) {
+ case e1000_82576:
+ /* 82576 supports 2 RSS queues for SR-IOV */
+ if (adapter->vfs_allocated_count)
+ num_queues = 2;
+ break;
+ default:
+ break;
+ }
+
+ /* Verify user input. */
+ for (i = 0; i < IGB_RETA_SIZE; i++)
+ if (rxfh->indir[i] >= num_queues)
+ return -EINVAL;
- /* Verify user input. */
- for (i = 0; i < IGB_RETA_SIZE; i++)
- if (rxfh->indir[i] >= num_queues)
- return -EINVAL;
+ for (i = 0; i < IGB_RETA_SIZE; i++)
+ adapter->rss_indir_tbl[i] = rxfh->indir[i];
- for (i = 0; i < IGB_RETA_SIZE; i++)
- adapter->rss_indir_tbl[i] = rxfh->indir[i];
+ igb_write_rss_indir_tbl(adapter);
+ }
- igb_write_rss_indir_tbl(adapter);
+ if (rxfh->key) {
+ memcpy(adapter->rss_key, rxfh->key, sizeof(adapter->rss_key));
+ igb_write_rss_key(adapter);
+ }
return 0;
}
@@ -3483,6 +3515,7 @@ static const struct ethtool_ops igb_ethtool_ops = {
.get_module_eeprom = igb_get_module_eeprom,
.get_rxfh_indir_size = igb_get_rxfh_indir_size,
.get_rxfh = igb_get_rxfh,
+ .get_rxfh_key_size = igb_get_rxfh_key_size,
.set_rxfh = igb_set_rxfh,
.get_rxfh_fields = igb_get_rxfh_fields,
.set_rxfh_fields = igb_set_rxfh_fields,
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index a1e89a375744..d4a897a8c82c 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -4048,6 +4048,9 @@ static int igb_sw_init(struct igb_adapter *adapter)
pci_read_config_word(pdev, PCI_COMMAND, &hw->bus.pci_cmd_word);
+ /* init RSS key */
+ netdev_rss_key_fill(adapter->rss_key, sizeof(adapter->rss_key));
+
/* set default ring sizes */
adapter->tx_ring_count = IGB_DEFAULT_TXD;
adapter->rx_ring_count = IGB_DEFAULT_RXD;
@@ -4522,11 +4525,8 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
struct e1000_hw *hw = &adapter->hw;
u32 mrqc, rxcsum;
u32 j, num_rx_queues;
- u32 rss_key[10];
- netdev_rss_key_fill(rss_key, sizeof(rss_key));
- for (j = 0; j < 10; j++)
- wr32(E1000_RSSRK(j), rss_key[j]);
+ igb_write_rss_key(adapter);
num_rx_queues = adapter->rss_queues;
@@ -8820,10 +8820,19 @@ static inline void igb_rx_hash(struct igb_ring *ring,
union e1000_adv_rx_desc *rx_desc,
struct sk_buff *skb)
{
- if (ring->netdev->features & NETIF_F_RXHASH)
- skb_set_hash(skb,
- le32_to_cpu(rx_desc->wb.lower.hi_dword.rss),
- PKT_HASH_TYPE_L3);
+ u16 rss_type;
+
+ if (!(ring->netdev->features & NETIF_F_RXHASH))
+ return;
+
+ rss_type = le16_to_cpu(rx_desc->wb.lower.lo_dword.pkt_info) &
+ E1000_RSS_TYPE_MASK;
+ if (!rss_type)
+ return;
+
+ skb_set_hash(skb, le32_to_cpu(rx_desc->wb.lower.hi_dword.rss),
+ (E1000_RSS_L4_TYPES_MASK & BIT(rss_type)) ?
+ PKT_HASH_TYPE_L4 : PKT_HASH_TYPE_L3);
}
/**
diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h
index 46d625b15f44..17f213cc93e4 100644
--- a/drivers/net/ethernet/intel/igc/igc.h
+++ b/drivers/net/ethernet/intel/igc/igc.h
@@ -30,6 +30,7 @@ void igc_ethtool_set_ops(struct net_device *);
#define MAX_ETYPE_FILTER 8
#define IGC_RETA_SIZE 128
+#define IGC_RSS_KEY_SIZE 40
/* SDP support */
#define IGC_N_EXTTS 2
@@ -302,6 +303,7 @@ struct igc_adapter {
unsigned int nfc_rule_count;
u8 rss_indir_tbl[IGC_RETA_SIZE];
+ u8 rss_key[IGC_RSS_KEY_SIZE];
unsigned long link_check_timeout;
struct igc_info ei;
@@ -361,6 +363,7 @@ unsigned int igc_get_max_rss_queues(struct igc_adapter *adapter);
void igc_set_flag_queue_pairs(struct igc_adapter *adapter,
const u32 max_rss_queues);
int igc_reinit_queues(struct igc_adapter *adapter);
+void igc_write_rss_key(struct igc_adapter *adapter);
void igc_write_rss_indir_tbl(struct igc_adapter *adapter);
bool igc_has_link(struct igc_adapter *adapter);
void igc_reset(struct igc_adapter *adapter);
diff --git a/drivers/net/ethernet/intel/igc/igc_base.c b/drivers/net/ethernet/intel/igc/igc_base.c
index 1613b562d17c..ab9120a3127f 100644
--- a/drivers/net/ethernet/intel/igc/igc_base.c
+++ b/drivers/net/ethernet/intel/igc/igc_base.c
@@ -114,11 +114,35 @@ static s32 igc_setup_copper_link_base(struct igc_hw *hw)
u32 ctrl;
ctrl = rd32(IGC_CTRL);
- ctrl |= IGC_CTRL_SLU;
- ctrl &= ~(IGC_CTRL_FRCSPD | IGC_CTRL_FRCDPX);
- wr32(IGC_CTRL, ctrl);
-
- ret_val = igc_setup_copper_link(hw);
+ ctrl &= ~(IGC_CTRL_FRCSPD | IGC_CTRL_FRCDPX |
+ IGC_CTRL_SPEED_MASK | IGC_CTRL_FD);
+
+ if (hw->mac.autoneg_enabled) {
+ ctrl |= IGC_CTRL_SLU;
+ wr32(IGC_CTRL, ctrl);
+ ret_val = igc_setup_copper_link(hw);
+ } else {
+ ctrl |= IGC_CTRL_SLU | IGC_CTRL_FRCSPD | IGC_CTRL_FRCDPX;
+
+ switch (hw->mac.forced_speed_duplex) {
+ case IGC_FORCED_10H:
+ ctrl |= IGC_CTRL_SPEED_10;
+ break;
+ case IGC_FORCED_10F:
+ ctrl |= IGC_CTRL_SPEED_10 | IGC_CTRL_FD;
+ break;
+ case IGC_FORCED_100H:
+ ctrl |= IGC_CTRL_SPEED_100;
+ break;
+ case IGC_FORCED_100F:
+ ctrl |= IGC_CTRL_SPEED_100 | IGC_CTRL_FD;
+ break;
+ default:
+ return -IGC_ERR_CONFIG;
+ }
+ wr32(IGC_CTRL, ctrl);
+ ret_val = igc_setup_copper_link(hw);
+ }
return ret_val;
}
@@ -443,6 +467,7 @@ static const struct igc_phy_operations igc_phy_ops_base = {
.reset = igc_phy_hw_reset,
.read_reg = igc_read_phy_reg_gpy,
.write_reg = igc_write_phy_reg_gpy,
+ .force_speed_duplex = igc_force_speed_duplex,
};
const struct igc_info igc_base_info = {
diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h
index 9482ab11f050..3f504751c2d9 100644
--- a/drivers/net/ethernet/intel/igc/igc_defines.h
+++ b/drivers/net/ethernet/intel/igc/igc_defines.h
@@ -129,10 +129,13 @@
#define IGC_ERR_SWFW_SYNC 13
/* Device Control */
+#define IGC_CTRL_FD BIT(0) /* Full Duplex */
#define IGC_CTRL_RST 0x04000000 /* Global reset */
-
#define IGC_CTRL_PHY_RST 0x80000000 /* PHY Reset */
#define IGC_CTRL_SLU 0x00000040 /* Set link up (Force Link) */
+#define IGC_CTRL_SPEED_MASK GENMASK(10, 8)
+#define IGC_CTRL_SPEED_10 FIELD_PREP(IGC_CTRL_SPEED_MASK, 0)
+#define IGC_CTRL_SPEED_100 FIELD_PREP(IGC_CTRL_SPEED_MASK, 1)
#define IGC_CTRL_FRCSPD 0x00000800 /* Force Speed */
#define IGC_CTRL_FRCDPX 0x00001000 /* Force Duplex */
#define IGC_CTRL_VME 0x40000000 /* IEEE VLAN mode enable */
@@ -673,6 +676,10 @@
#define IGC_GEN_POLL_TIMEOUT 1920
/* PHY Control Register */
+#define MII_CR_SPEED_MASK (BIT(6) | BIT(13))
+#define MII_CR_SPEED_10 0x0000 /* SSM=0, SSL=0: 10 Mb/s */
+#define MII_CR_SPEED_100 BIT(13) /* SSM=0, SSL=1: 100 Mb/s */
+#define MII_CR_DUPLEX_EN BIT(8) /* 0 = Half Duplex, 1 = Full Duplex */
#define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */
#define MII_CR_POWER_DOWN 0x0800 /* Power down */
#define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index 0122009bedd0..89fe2788a565 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -1460,6 +1460,26 @@ static int igc_ethtool_set_rxnfc(struct net_device *dev,
}
}
+/**
+ * igc_write_rss_key - Program the RSS key into device registers
+ * @adapter: board private structure
+ *
+ * Write the RSS key stored in adapter->rss_key to the IGC_RSSRK registers.
+ * Each 32-bit chunk of the key is read using get_unaligned_le32() and written
+ * to the appropriate register.
+ */
+void igc_write_rss_key(struct igc_adapter *adapter)
+{
+ struct igc_hw *hw = &adapter->hw;
+ u32 val;
+ int i;
+
+ for (i = 0; i < IGC_RSS_KEY_SIZE / 4; i++) {
+ val = get_unaligned_le32(&adapter->rss_key[i * 4]);
+ wr32(IGC_RSSRK(i), val);
+ }
+}
+
void igc_write_rss_indir_tbl(struct igc_adapter *adapter)
{
struct igc_hw *hw = &adapter->hw;
@@ -1482,6 +1502,11 @@ void igc_write_rss_indir_tbl(struct igc_adapter *adapter)
}
}
+static u32 igc_ethtool_get_rxfh_key_size(struct net_device *netdev)
+{
+ return IGC_RSS_KEY_SIZE;
+}
+
static u32 igc_ethtool_get_rxfh_indir_size(struct net_device *netdev)
{
return IGC_RETA_SIZE;
@@ -1494,10 +1519,13 @@ static int igc_ethtool_get_rxfh(struct net_device *netdev,
int i;
rxfh->hfunc = ETH_RSS_HASH_TOP;
- if (!rxfh->indir)
- return 0;
- for (i = 0; i < IGC_RETA_SIZE; i++)
- rxfh->indir[i] = adapter->rss_indir_tbl[i];
+
+ if (rxfh->indir)
+ for (i = 0; i < IGC_RETA_SIZE; i++)
+ rxfh->indir[i] = adapter->rss_indir_tbl[i];
+
+ if (rxfh->key)
+ memcpy(rxfh->key, adapter->rss_key, sizeof(adapter->rss_key));
return 0;
}
@@ -1511,24 +1539,28 @@ static int igc_ethtool_set_rxfh(struct net_device *netdev,
int i;
/* We do not allow change in unsupported parameters */
- if (rxfh->key ||
- (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
- rxfh->hfunc != ETH_RSS_HASH_TOP))
+ if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
+ rxfh->hfunc != ETH_RSS_HASH_TOP)
return -EOPNOTSUPP;
- if (!rxfh->indir)
- return 0;
- num_queues = adapter->rss_queues;
+ if (rxfh->indir) {
+ num_queues = adapter->rss_queues;
- /* Verify user input. */
- for (i = 0; i < IGC_RETA_SIZE; i++)
- if (rxfh->indir[i] >= num_queues)
- return -EINVAL;
+ /* Verify user input. */
+ for (i = 0; i < IGC_RETA_SIZE; i++)
+ if (rxfh->indir[i] >= num_queues)
+ return -EINVAL;
- for (i = 0; i < IGC_RETA_SIZE; i++)
- adapter->rss_indir_tbl[i] = rxfh->indir[i];
+ for (i = 0; i < IGC_RETA_SIZE; i++)
+ adapter->rss_indir_tbl[i] = rxfh->indir[i];
+
+ igc_write_rss_indir_tbl(adapter);
+ }
- igc_write_rss_indir_tbl(adapter);
+ if (rxfh->key) {
+ memcpy(adapter->rss_key, rxfh->key, sizeof(adapter->rss_key));
+ igc_write_rss_key(adapter);
+ }
return 0;
}
@@ -1914,44 +1946,58 @@ static int igc_ethtool_get_link_ksettings(struct net_device *netdev,
ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
- /* advertising link modes */
- if (hw->phy.autoneg_advertised & ADVERTISE_10_HALF)
- ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Half);
- if (hw->phy.autoneg_advertised & ADVERTISE_10_FULL)
- ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Full);
- if (hw->phy.autoneg_advertised & ADVERTISE_100_HALF)
- ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Half);
- if (hw->phy.autoneg_advertised & ADVERTISE_100_FULL)
- ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Full);
- if (hw->phy.autoneg_advertised & ADVERTISE_1000_FULL)
- ethtool_link_ksettings_add_link_mode(cmd, advertising, 1000baseT_Full);
- if (hw->phy.autoneg_advertised & ADVERTISE_2500_FULL)
- ethtool_link_ksettings_add_link_mode(cmd, advertising, 2500baseT_Full);
-
/* set autoneg settings */
ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
- ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
+ if (hw->mac.autoneg_enabled) {
+ ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
+ cmd->base.autoneg = AUTONEG_ENABLE;
+
+ /* advertising link modes only apply when autoneg is on */
+ if (hw->phy.autoneg_advertised & ADVERTISE_10_HALF)
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ 10baseT_Half);
+ if (hw->phy.autoneg_advertised & ADVERTISE_10_FULL)
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ 10baseT_Full);
+ if (hw->phy.autoneg_advertised & ADVERTISE_100_HALF)
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ 100baseT_Half);
+ if (hw->phy.autoneg_advertised & ADVERTISE_100_FULL)
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ 100baseT_Full);
+ if (hw->phy.autoneg_advertised & ADVERTISE_1000_FULL)
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ 1000baseT_Full);
+ if (hw->phy.autoneg_advertised & ADVERTISE_2500_FULL)
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ 2500baseT_Full);
+
+ /* Set pause flow control advertising */
+ switch (hw->fc.requested_mode) {
+ case igc_fc_full:
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ Pause);
+ break;
+ case igc_fc_rx_pause:
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ Pause);
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ Asym_Pause);
+ break;
+ case igc_fc_tx_pause:
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ Asym_Pause);
+ break;
+ default:
+ break;
+ }
+ } else {
+ cmd->base.autoneg = AUTONEG_DISABLE;
+ }
- /* Set pause flow control settings */
+ /* Pause is always supported */
ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
- switch (hw->fc.requested_mode) {
- case igc_fc_full:
- ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
- break;
- case igc_fc_rx_pause:
- ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
- ethtool_link_ksettings_add_link_mode(cmd, advertising,
- Asym_Pause);
- break;
- case igc_fc_tx_pause:
- ethtool_link_ksettings_add_link_mode(cmd, advertising,
- Asym_Pause);
- break;
- default:
- break;
- }
-
status = pm_runtime_suspended(&adapter->pdev->dev) ?
0 : rd32(IGC_STATUS);
@@ -1983,7 +2029,6 @@ static int igc_ethtool_get_link_ksettings(struct net_device *netdev,
cmd->base.duplex = DUPLEX_UNKNOWN;
}
cmd->base.speed = speed;
- cmd->base.autoneg = AUTONEG_ENABLE;
/* MDI-X => 2; MDI =>1; Invalid =>0 */
if (hw->phy.media_type == igc_media_type_copper)
@@ -2000,37 +2045,50 @@ static int igc_ethtool_get_link_ksettings(struct net_device *netdev,
return 0;
}
-static int
-igc_ethtool_set_link_ksettings(struct net_device *netdev,
- const struct ethtool_link_ksettings *cmd)
+/**
+ * igc_handle_autoneg_disabled - Configure forced speed/duplex settings
+ * @adapter: private driver structure
+ * @speed: requested speed (must be SPEED_10 or SPEED_100)
+ * @duplex: requested duplex
+ *
+ * Records forced speed/duplex when autoneg is disabled.
+ * Caller must validate speed before calling this function.
+ */
+static void igc_handle_autoneg_disabled(struct igc_adapter *adapter, u32 speed,
+ u8 duplex)
{
- struct igc_adapter *adapter = netdev_priv(netdev);
- struct net_device *dev = adapter->netdev;
- struct igc_hw *hw = &adapter->hw;
- u16 advertised = 0;
+ struct igc_mac_info *mac = &adapter->hw.mac;
- /* When adapter in resetting mode, autoneg/speed/duplex
- * cannot be changed
- */
- if (igc_check_reset_block(hw)) {
- netdev_err(dev, "Cannot change link characteristics when reset is active\n");
- return -EINVAL;
+ switch (speed) {
+ case SPEED_10:
+ mac->forced_speed_duplex = (duplex == DUPLEX_FULL) ?
+ IGC_FORCED_10F : IGC_FORCED_10H;
+ break;
+ case SPEED_100:
+ mac->forced_speed_duplex = (duplex == DUPLEX_FULL) ?
+ IGC_FORCED_100F : IGC_FORCED_100H;
+ break;
+ default:
+ WARN_ONCE(1, "Unsupported speed %u\n", speed);
+ return;
}
- /* MDI setting is only allowed when autoneg enabled because
- * some hardware doesn't allow MDI setting when speed or
- * duplex is forced.
- */
- if (cmd->base.eth_tp_mdix_ctrl) {
- if (cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO &&
- cmd->base.autoneg != AUTONEG_ENABLE) {
- netdev_err(dev, "Forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
- return -EINVAL;
- }
- }
+ mac->autoneg_enabled = false;
+}
- while (test_and_set_bit(__IGC_RESETTING, &adapter->state))
- usleep_range(1000, 2000);
+/**
+ * igc_handle_autoneg_enabled - Configure autonegotiation advertisement
+ * @adapter: private driver structure
+ * @cmd: ethtool link ksettings from user
+ *
+ * Records advertised speeds and flow control settings when autoneg
+ * is enabled.
+ */
+static void igc_handle_autoneg_enabled(struct igc_adapter *adapter,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct igc_hw *hw = &adapter->hw;
+ u16 advertised = 0;
if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
2500baseT_Full))
@@ -2056,14 +2114,66 @@ igc_ethtool_set_link_ksettings(struct net_device *netdev,
10baseT_Half))
advertised |= ADVERTISE_10_HALF;
- if (cmd->base.autoneg == AUTONEG_ENABLE) {
- hw->phy.autoneg_advertised = advertised;
- if (adapter->fc_autoneg)
- hw->fc.requested_mode = igc_fc_default;
- } else {
- netdev_info(dev, "Force mode currently not supported\n");
+ hw->mac.autoneg_enabled = true;
+ hw->phy.autoneg_advertised = advertised;
+ if (adapter->fc_autoneg)
+ hw->fc.requested_mode = igc_fc_default;
+}
+
+static int
+igc_ethtool_set_link_ksettings(struct net_device *netdev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct igc_adapter *adapter = netdev_priv(netdev);
+ struct net_device *dev = adapter->netdev;
+ struct igc_hw *hw = &adapter->hw;
+
+ /* When adapter in resetting mode, autoneg/speed/duplex
+ * cannot be changed
+ */
+ if (igc_check_reset_block(hw)) {
+ netdev_err(dev, "Cannot change link characteristics when reset is active\n");
+ return -EINVAL;
+ }
+
+ if (cmd->base.autoneg != AUTONEG_ENABLE &&
+ cmd->base.autoneg != AUTONEG_DISABLE) {
+ netdev_info(dev, "Unsupported autoneg setting\n");
+ return -EINVAL;
+ }
+
+ /* MDI setting is only allowed when autoneg enabled because
+ * some hardware doesn't allow MDI setting when speed or
+ * duplex is forced.
+ */
+ if (cmd->base.eth_tp_mdix_ctrl) {
+ if (cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO &&
+ cmd->base.autoneg != AUTONEG_ENABLE) {
+ netdev_err(dev, "Forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
+ return -EINVAL;
+ }
}
+ if (cmd->base.autoneg == AUTONEG_DISABLE) {
+ if (cmd->base.speed != SPEED_10 && cmd->base.speed != SPEED_100) {
+ netdev_info(dev, "Unsupported speed for forced link\n");
+ return -EINVAL;
+ }
+ if (cmd->base.duplex != DUPLEX_HALF && cmd->base.duplex != DUPLEX_FULL) {
+ netdev_info(dev, "Duplex must be half or full for forced link\n");
+ return -EINVAL;
+ }
+ }
+
+ while (test_and_set_bit(__IGC_RESETTING, &adapter->state))
+ usleep_range(1000, 2000);
+
+ if (cmd->base.autoneg == AUTONEG_ENABLE)
+ igc_handle_autoneg_enabled(adapter, cmd);
+ else
+ igc_handle_autoneg_disabled(adapter, cmd->base.speed,
+ cmd->base.duplex);
+
/* MDI-X => 2; MDI => 1; Auto => 3 */
if (cmd->base.eth_tp_mdix_ctrl) {
/* fix up the value for auto (3 => 0) as zero is mapped
@@ -2175,6 +2285,7 @@ static const struct ethtool_ops igc_ethtool_ops = {
.get_rxnfc = igc_ethtool_get_rxnfc,
.set_rxnfc = igc_ethtool_set_rxnfc,
.get_rx_ring_count = igc_ethtool_get_rx_ring_count,
+ .get_rxfh_key_size = igc_ethtool_get_rxfh_key_size,
.get_rxfh_indir_size = igc_ethtool_get_rxfh_indir_size,
.get_rxfh = igc_ethtool_get_rxfh,
.set_rxfh = igc_ethtool_set_rxfh,
diff --git a/drivers/net/ethernet/intel/igc/igc_hw.h b/drivers/net/ethernet/intel/igc/igc_hw.h
index be8a49a86d09..62aaee55668a 100644
--- a/drivers/net/ethernet/intel/igc/igc_hw.h
+++ b/drivers/net/ethernet/intel/igc/igc_hw.h
@@ -73,6 +73,13 @@ struct igc_info {
extern const struct igc_info igc_base_info;
+enum igc_forced_speed_duplex {
+ IGC_FORCED_10H,
+ IGC_FORCED_10F,
+ IGC_FORCED_100H,
+ IGC_FORCED_100F,
+};
+
struct igc_mac_info {
struct igc_mac_operations ops;
@@ -92,8 +99,9 @@ struct igc_mac_info {
bool asf_firmware_present;
bool arc_subsystem_valid;
- bool autoneg_failed;
bool get_link_status;
+ bool autoneg_enabled;
+ enum igc_forced_speed_duplex forced_speed_duplex;
};
struct igc_nvm_operations {
diff --git a/drivers/net/ethernet/intel/igc/igc_mac.c b/drivers/net/ethernet/intel/igc/igc_mac.c
index 7ac6637f8db7..d6f3f6618469 100644
--- a/drivers/net/ethernet/intel/igc/igc_mac.c
+++ b/drivers/net/ethernet/intel/igc/igc_mac.c
@@ -438,26 +438,23 @@ void igc_config_collision_dist(struct igc_hw *hw)
* Checks the status of auto-negotiation after link up to ensure that the
* speed and duplex were not forced. If the link needed to be forced, then
* flow control needs to be forced also. If auto-negotiation is enabled
- * and did not fail, then we configure flow control based on our link
- * partner.
+ * then we configure flow control based on our link partner.
*/
s32 igc_config_fc_after_link_up(struct igc_hw *hw)
{
u16 mii_status_reg, mii_nway_adv_reg, mii_nway_lp_ability_reg;
- struct igc_mac_info *mac = &hw->mac;
u16 speed, duplex;
s32 ret_val = 0;
- /* Check for the case where we have fiber media and auto-neg failed
- * so we had to force link. In this case, we need to force the
- * configuration of the MAC to match the "fc" parameter.
+ /* Without autoneg, flow control capability is not exchanged with the
+ * link partner. IEEE 802.3 prohibits flow control in half-duplex mode.
*/
- if (mac->autoneg_failed)
- ret_val = igc_force_mac_fc(hw);
+ if (!hw->mac.autoneg_enabled) {
+ if (hw->mac.forced_speed_duplex == IGC_FORCED_10H ||
+ hw->mac.forced_speed_duplex == IGC_FORCED_100H)
+ hw->fc.current_mode = igc_fc_none;
- if (ret_val) {
- hw_dbg("Error forcing flow control settings\n");
- goto out;
+ goto force_fc;
}
/* In auto-neg, we need to check and see if Auto-Neg has completed,
@@ -472,15 +469,15 @@ s32 igc_config_fc_after_link_up(struct igc_hw *hw)
ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS,
&mii_status_reg);
if (ret_val)
- goto out;
+ return ret_val;
ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS,
&mii_status_reg);
if (ret_val)
- goto out;
+ return ret_val;
if (!(mii_status_reg & MII_SR_AUTONEG_COMPLETE)) {
hw_dbg("Copper PHY and Auto Neg has not completed.\n");
- goto out;
+ return ret_val;
}
/* The AutoNeg process has completed, so we now need to
@@ -492,11 +489,11 @@ s32 igc_config_fc_after_link_up(struct igc_hw *hw)
ret_val = hw->phy.ops.read_reg(hw, PHY_AUTONEG_ADV,
&mii_nway_adv_reg);
if (ret_val)
- goto out;
+ return ret_val;
ret_val = hw->phy.ops.read_reg(hw, PHY_LP_ABILITY,
&mii_nway_lp_ability_reg);
if (ret_val)
- goto out;
+ return ret_val;
/* Two bits in the Auto Negotiation Advertisement Register
* (Address 4) and two bits in the Auto Negotiation Base
* Page Ability Register (Address 5) determine flow control
@@ -612,7 +609,7 @@ s32 igc_config_fc_after_link_up(struct igc_hw *hw)
ret_val = hw->mac.ops.get_speed_and_duplex(hw, &speed, &duplex);
if (ret_val) {
hw_dbg("Error getting link speed and duplex\n");
- goto out;
+ return ret_val;
}
if (duplex == HALF_DUPLEX)
@@ -621,13 +618,13 @@ s32 igc_config_fc_after_link_up(struct igc_hw *hw)
/* Now we call a subroutine to actually force the MAC
* controller to use the correct flow control settings.
*/
+force_fc:
ret_val = igc_force_mac_fc(hw);
if (ret_val) {
hw_dbg("Error forcing flow control settings\n");
- goto out;
+ return ret_val;
}
-out:
return ret_val;
}
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 2c9e2dfd8499..e6e9441fc3d4 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -785,11 +785,8 @@ static void igc_setup_mrqc(struct igc_adapter *adapter)
struct igc_hw *hw = &adapter->hw;
u32 j, num_rx_queues;
u32 mrqc, rxcsum;
- u32 rss_key[10];
- netdev_rss_key_fill(rss_key, sizeof(rss_key));
- for (j = 0; j < 10; j++)
- wr32(IGC_RSSRK(j), rss_key[j]);
+ igc_write_rss_key(adapter);
num_rx_queues = adapter->rss_queues;
@@ -5048,6 +5045,9 @@ static int igc_sw_init(struct igc_adapter *adapter)
pci_read_config_word(pdev, PCI_COMMAND, &hw->bus.pci_cmd_word);
+ /* init RSS key */
+ netdev_rss_key_fill(adapter->rss_key, sizeof(adapter->rss_key));
+
/* set default ring sizes */
adapter->tx_ring_count = IGC_DEFAULT_TXD;
adapter->rx_ring_count = IGC_DEFAULT_RXD;
@@ -7298,7 +7298,7 @@ static int igc_probe(struct pci_dev *pdev,
/* Initialize link properties that are user-changeable */
adapter->fc_autoneg = true;
hw->phy.autoneg_advertised = 0xaf;
-
+ hw->mac.autoneg_enabled = true;
hw->fc.requested_mode = igc_fc_default;
hw->fc.current_mode = igc_fc_default;
diff --git a/drivers/net/ethernet/intel/igc/igc_phy.c b/drivers/net/ethernet/intel/igc/igc_phy.c
index 6c4d204aecfa..4cf737fb3b21 100644
--- a/drivers/net/ethernet/intel/igc/igc_phy.c
+++ b/drivers/net/ethernet/intel/igc/igc_phy.c
@@ -494,12 +494,20 @@ s32 igc_setup_copper_link(struct igc_hw *hw)
s32 ret_val = 0;
bool link;
- /* Setup autoneg and flow control advertisement and perform
- * autonegotiation.
- */
- ret_val = igc_copper_link_autoneg(hw);
- if (ret_val)
- goto out;
+ if (hw->mac.autoneg_enabled) {
+ /* Setup autoneg and flow control advertisement and perform
+ * autonegotiation.
+ */
+ ret_val = igc_copper_link_autoneg(hw);
+ if (ret_val)
+ goto out;
+ } else {
+ ret_val = hw->phy.ops.force_speed_duplex(hw);
+ if (ret_val) {
+ hw_dbg("Error Forcing Speed/Duplex\n");
+ goto out;
+ }
+ }
/* Check link status. Wait up to 100 microseconds for link to become
* valid.
@@ -778,3 +786,48 @@ u16 igc_read_phy_fw_version(struct igc_hw *hw)
return gphy_version;
}
+
+/**
+ * igc_force_speed_duplex - Force PHY speed and duplex settings
+ * @hw: pointer to the HW structure
+ *
+ * Programs the GPY PHY control register to disable autonegotiation
+ * and force the speed/duplex indicated by hw->mac.forced_speed_duplex.
+ */
+s32 igc_force_speed_duplex(struct igc_hw *hw)
+{
+ struct igc_phy_info *phy = &hw->phy;
+ u16 phy_ctrl;
+ s32 ret_val;
+
+ ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_ctrl);
+ if (ret_val)
+ return ret_val;
+
+ phy_ctrl &= ~(MII_CR_SPEED_MASK | MII_CR_DUPLEX_EN |
+ MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
+
+ switch (hw->mac.forced_speed_duplex) {
+ case IGC_FORCED_10H:
+ phy_ctrl |= MII_CR_SPEED_10;
+ break;
+ case IGC_FORCED_10F:
+ phy_ctrl |= MII_CR_SPEED_10 | MII_CR_DUPLEX_EN;
+ break;
+ case IGC_FORCED_100H:
+ phy_ctrl |= MII_CR_SPEED_100;
+ break;
+ case IGC_FORCED_100F:
+ phy_ctrl |= MII_CR_SPEED_100 | MII_CR_DUPLEX_EN;
+ break;
+ default:
+ return -IGC_ERR_CONFIG;
+ }
+
+ ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_ctrl);
+ if (ret_val)
+ return ret_val;
+
+ hw->mac.get_link_status = true;
+ return 0;
+}
diff --git a/drivers/net/ethernet/intel/igc/igc_phy.h b/drivers/net/ethernet/intel/igc/igc_phy.h
index 832a7e359f18..d37a89174826 100644
--- a/drivers/net/ethernet/intel/igc/igc_phy.h
+++ b/drivers/net/ethernet/intel/igc/igc_phy.h
@@ -18,5 +18,6 @@ void igc_power_down_phy_copper(struct igc_hw *hw);
s32 igc_write_phy_reg_gpy(struct igc_hw *hw, u32 offset, u16 data);
s32 igc_read_phy_reg_gpy(struct igc_hw *hw, u32 offset, u16 *data);
u16 igc_read_phy_fw_version(struct igc_hw *hw);
+s32 igc_force_speed_duplex(struct igc_hw *hw);
#endif
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 744d6585a949..543e566425c1 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -5678,6 +5678,24 @@ static int mvneta_probe(struct platform_device *pdev)
"use SW buffer management\n");
mvneta_bm_put(pp->bm_priv);
pp->bm_priv = NULL;
+ } else if (!device_link_add(&pdev->dev,
+ &pp->bm_priv->pdev->dev,
+ DL_FLAG_AUTOREMOVE_CONSUMER)) {
+ /*
+ * Link guarantees BM resumes before mvneta.
+ * Without it, BM may not be ready when
+ * mvneta_bm_port_init() runs on resume,
+ * causing stale buffer addresses and a crash.
+ * Fall back to SW management to be safe.
+ */
+ dev_warn(&pdev->dev,
+ "failed to link to BM, use SW buffer management\n");
+ mvneta_bm_pool_destroy(pp->bm_priv,
+ pp->pool_long, 1 << pp->id);
+ mvneta_bm_pool_destroy(pp->bm_priv,
+ pp->pool_short, 1 << pp->id);
+ mvneta_bm_put(pp->bm_priv);
+ pp->bm_priv = NULL;
}
}
/* Set RX packet offset correction for platforms, whose
diff --git a/drivers/net/ethernet/marvell/mvneta_bm.c b/drivers/net/ethernet/marvell/mvneta_bm.c
index 6bb380494919..d6d76fbf27b6 100644
--- a/drivers/net/ethernet/marvell/mvneta_bm.c
+++ b/drivers/net/ethernet/marvell/mvneta_bm.c
@@ -129,6 +129,7 @@ static int mvneta_bm_pool_create(struct mvneta_bm *priv,
if (!IS_ALIGNED((u32)bm_pool->virt_addr, MVNETA_BM_POOL_PTR_ALIGN)) {
dma_free_coherent(&pdev->dev, size_bytes, bm_pool->virt_addr,
bm_pool->phys_addr);
+ bm_pool->virt_addr = NULL;
dev_err(&pdev->dev, "BM pool %d is not %d bytes aligned\n",
bm_pool->id, MVNETA_BM_POOL_PTR_ALIGN);
return -ENOMEM;
@@ -139,6 +140,7 @@ static int mvneta_bm_pool_create(struct mvneta_bm *priv,
if (err < 0) {
dma_free_coherent(&pdev->dev, size_bytes, bm_pool->virt_addr,
bm_pool->phys_addr);
+ bm_pool->virt_addr = NULL;
return err;
}
@@ -395,9 +397,20 @@ static void mvneta_bm_put_sram(struct mvneta_bm *priv)
struct mvneta_bm *mvneta_bm_get(struct device_node *node)
{
- struct platform_device *pdev = of_find_device_by_node(node);
+ struct platform_device *pdev;
+ struct mvneta_bm *priv;
+
+ pdev = of_find_device_by_node(node);
+ if (!pdev)
+ return NULL;
+
+ priv = platform_get_drvdata(pdev);
+ if (!priv) {
+ platform_device_put(pdev);
+ return NULL;
+ }
- return pdev ? platform_get_drvdata(pdev) : NULL;
+ return priv;
}
EXPORT_SYMBOL_GPL(mvneta_bm_get);
@@ -477,6 +490,75 @@ static void mvneta_bm_remove(struct platform_device *pdev)
clk_disable_unprepare(priv->clk);
}
+static int mvneta_bm_suspend(struct device *dev)
+{
+ struct mvneta_bm *priv = dev_get_drvdata(dev);
+ int i;
+
+ /* Drain buffers and free pool resources while BM is still clocked */
+ for (i = 0; i < MVNETA_BM_POOLS_NUM; i++) {
+ struct mvneta_bm_pool *bm_pool = &priv->bm_pools[i];
+ int size_bytes;
+
+ if (bm_pool->type == MVNETA_BM_FREE)
+ continue;
+
+ mvneta_bm_bufs_free(priv, bm_pool, bm_pool->port_map);
+ if (bm_pool->hwbm_pool.buf_num)
+ dev_warn(&priv->pdev->dev,
+ "pool %d: %d buffers not freed\n",
+ bm_pool->id, bm_pool->hwbm_pool.buf_num);
+
+ mvneta_bm_pool_disable(priv, bm_pool->id);
+
+ if (bm_pool->virt_addr) {
+ size_bytes = sizeof(u32) * bm_pool->hwbm_pool.size;
+ dma_free_coherent(&priv->pdev->dev, size_bytes,
+ bm_pool->virt_addr,
+ bm_pool->phys_addr);
+ bm_pool->virt_addr = NULL;
+ }
+ /*
+ * Safe to destroy: device_link guarantees all mvneta ports
+ * have already suspended, so no hwbm_pool_add() can be in
+ * progress holding buf_lock. Pairs with mutex_init() in
+ * mvneta_bm_pool_use() on resume.
+ */
+ mutex_destroy(&bm_pool->hwbm_pool.buf_lock);
+ bm_pool->type = MVNETA_BM_FREE;
+ }
+
+ mvneta_bm_write(priv, MVNETA_BM_COMMAND_REG, MVNETA_BM_STOP_MASK);
+ clk_disable_unprepare(priv->clk);
+ return 0;
+}
+
+static int mvneta_bm_resume(struct device *dev)
+{
+ struct mvneta_bm *priv = dev_get_drvdata(dev);
+ int i, err;
+
+ err = clk_prepare_enable(priv->clk);
+ if (err)
+ return err;
+
+ /* Reinitialize BM hardware; pools are refilled by mvneta_resume() */
+ mvneta_bm_default_set(priv);
+
+ /* Restore pool registers lost during clock gating */
+ for (i = 0; i < MVNETA_BM_POOLS_NUM; i++) {
+ mvneta_bm_write(priv, MVNETA_BM_POOL_READ_PTR_REG(i), 0);
+ mvneta_bm_write(priv, MVNETA_BM_POOL_WRITE_PTR_REG(i), 0);
+ mvneta_bm_write(priv, MVNETA_BM_POOL_SIZE_REG(i),
+ priv->bm_pools[i].hwbm_pool.size);
+ }
+
+ mvneta_bm_write(priv, MVNETA_BM_COMMAND_REG, MVNETA_BM_START_MASK);
+ return 0;
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(mvneta_bm_pm_ops, mvneta_bm_suspend, mvneta_bm_resume);
+
static const struct of_device_id mvneta_bm_match[] = {
{ .compatible = "marvell,armada-380-neta-bm" },
{ }
@@ -489,6 +571,7 @@ static struct platform_driver mvneta_bm_driver = {
.driver = {
.name = MVNETA_BM_DRIVER_NAME,
.of_match_table = mvneta_bm_match,
+ .pm = pm_sleep_ptr(&mvneta_bm_pm_ops),
},
};
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index 714e47f68d93..10552e9cf519 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -803,6 +803,7 @@ struct npc_set_pkind {
*/
u8 var_len_off_mask; /* Mask for length with in offset */
u8 shift_dir; /* shift direction to get length of the header at var_len_off */
+ u8 skip_size; /* l2 size to skip */
};
/* NPA mbox message formats */
@@ -1262,11 +1263,13 @@ struct nix_rss_flowkey_cfg {
#define NIX_FLOW_KEY_TYPE_INNR_UDP BIT(15)
#define NIX_FLOW_KEY_TYPE_INNR_SCTP BIT(16)
#define NIX_FLOW_KEY_TYPE_INNR_ETH_DMAC BIT(17)
+#define NIX_FLOW_KEY_TYPE_CH_LEN_90B BIT(18)
#define NIX_FLOW_KEY_TYPE_CUSTOM0 BIT(19)
#define NIX_FLOW_KEY_TYPE_VLAN BIT(20)
#define NIX_FLOW_KEY_TYPE_IPV4_PROTO BIT(21)
#define NIX_FLOW_KEY_TYPE_AH BIT(22)
#define NIX_FLOW_KEY_TYPE_ESP BIT(23)
+#define NIX_FLOW_KEY_TYPE_ROCEV2 BIT(24)
#define NIX_FLOW_KEY_TYPE_L4_DST_ONLY BIT(28)
#define NIX_FLOW_KEY_TYPE_L4_SRC_ONLY BIT(29)
#define NIX_FLOW_KEY_TYPE_L3_DST_ONLY BIT(30)
@@ -1461,7 +1464,7 @@ struct nix_inline_ipsec_lf_cfg {
struct nix_hw_info {
struct mbox_msghdr hdr;
- u16 rsvs16;
+ u16 vwqe_delay;
u16 max_mtu;
u16 min_mtu;
u32 rpm_dwrr_mtu;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
index eaed172f1606..719b3618eeb5 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
@@ -161,10 +161,12 @@ enum npc_kpu_lh_ltype {
* Software assigns pkind for each incoming port such as CGX
* Ethernet interfaces, LBK interfaces, etc.
*/
-#define NPC_UNRESERVED_PKIND_COUNT NPC_RX_CPT_HDR_PTP_PKIND
+#define NPC_UNRESERVED_PKIND_COUNT NPC_RX_SKIP_SIZE_PKIND
enum npc_pkind_type {
NPC_RX_LBK_PKIND = 0ULL,
+ NPC_RX_SKIP_SIZE_PKIND = 46ULL,
+ NPC_RX_CPT_SKIP_SIZE_PKIND = 50ULL,
NPC_RX_CPT_HDR_PTP_PKIND = 54ULL,
NPC_RX_CUSTOM_PRE_L2_PKIND = 55ULL,
NPC_RX_VLAN_EXDSA_PKIND = 56ULL,
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index 7f3505ae6860..c5610f242687 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -1181,7 +1181,7 @@ void rvu_switch_enable_lbk_link(struct rvu *rvu, u16 pcifunc, bool ena);
int rvu_npc_set_parse_mode(struct rvu *rvu, u16 pcifunc, u64 mode, u8 dir,
u64 pkind, u8 var_len_off, u8 var_len_off_mask,
- u8 shift_dir);
+ u8 shift_dir, u8 skip_size);
int rvu_get_hwvf(struct rvu *rvu, int pcifunc);
/* CN10K MCS */
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 6a0ce2665031..dade7bb6deb7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -3936,6 +3936,11 @@ int rvu_mbox_handler_nix_get_hw_info(struct rvu *rvu, struct msg_req *req,
if (blkaddr < 0)
return NIX_AF_ERR_AF_LF_INVALID;
+ rsp->vwqe_delay = 0;
+ if (!is_rvu_otx2(rvu))
+ rsp->vwqe_delay = rvu_read64(rvu, blkaddr, NIX_AF_VWQE_TIMER) &
+ GENMASK_ULL(9, 0);
+
if (is_lbk_vf(rvu, pcifunc))
rvu_get_lbk_link_max_frs(rvu, &rsp->max_mtu);
else
@@ -4283,6 +4288,13 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
field->ltype_match = NPC_LT_LC_CUSTOM0;
field->ltype_mask = 0xF;
break;
+ case NIX_FLOW_KEY_TYPE_CH_LEN_90B:
+ field->lid = NPC_LID_LA;
+ field->hdr_offset = 24;
+ field->bytesm1 = 1; /* 2 Bytes*/
+ field->ltype_match = NPC_LT_LA_CUSTOM_L2_90B_ETHER;
+ field->ltype_mask = 0xF;
+ break;
case NIX_FLOW_KEY_TYPE_VLAN:
field->lid = NPC_LID_LB;
field->hdr_offset = 2; /* Skip TPID (2-bytes) */
@@ -4305,6 +4317,13 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
keyoff_marker = false;
}
break;
+ case NIX_FLOW_KEY_TYPE_ROCEV2:
+ field->hdr_offset = 5;
+ field->bytesm1 = 2; /* Destination QP */
+ field->ltype_mask = 0xF;
+ field->lid = NPC_LID_LE;
+ field->ltype_match = NPC_LT_LE_ROCEV2;
+ break;
}
field->ena = 1;
@@ -5392,7 +5411,7 @@ void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int nixlf)
/* reset HW config done for Switch headers */
rvu_npc_set_parse_mode(rvu, pcifunc, OTX2_PRIV_FLAGS_DEFAULT,
- (PKIND_TX | PKIND_RX), 0, 0, 0, 0);
+ (PKIND_TX | PKIND_RX), 0, 0, 0, 0, 0);
/* Disabling CGX and NPC config done for PTP */
if (pfvf->hw_rx_tstamp_en) {
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
index c7bc0b3a29b9..08b83de9beb4 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -4194,10 +4194,40 @@ npc_set_var_len_offset_pkind(struct rvu *rvu, u16 pcifunc, u64 pkind,
return 0;
}
+static int npc_set_skip_size_pkind(struct rvu *rvu, u16 pcifunc, u64 pkind,
+ u8 skip_size)
+{
+ struct npc_kpu_action0 *act0;
+ int blkaddr;
+ u64 val;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, pcifunc);
+ if (blkaddr < 0) {
+ dev_err(rvu->dev, "%s: NPC block not implemented\n", __func__);
+ return -EINVAL;
+ }
+
+ val = rvu_read64(rvu, blkaddr, NPC_AF_PKINDX_ACTION0(pkind));
+ act0 = (struct npc_kpu_action0 *)&val;
+ act0->ptr_advance = skip_size;
+ rvu_write64(rvu, blkaddr, NPC_AF_PKINDX_ACTION0(pkind), val);
+
+ /* Update CPT_HR new PKIND */
+ val = rvu_read64(rvu, blkaddr, NPC_AF_PKINDX_ACTION0(pkind + 4));
+ act0 = (struct npc_kpu_action0 *)&val;
+ act0->ptr_advance = (skip_size + 40);
+ act0->next_state = NPC_S_KPU1_CPT_HDR;
+ act0->var_len_offset = (skip_size + 6);
+ act0->var_len_mask = 0xe0;
+ act0->var_len_shift = 0x5;
+ act0->var_len_right = 0x1;
+ rvu_write64(rvu, blkaddr, NPC_AF_PKINDX_ACTION0(pkind + 4), val);
+ return 0;
+}
+
int rvu_npc_set_parse_mode(struct rvu *rvu, u16 pcifunc, u64 mode, u8 dir,
u64 pkind, u8 var_len_off, u8 var_len_off_mask,
- u8 shift_dir)
-
+ u8 shift_dir, u8 skip_size)
{
struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc);
int blkaddr, nixlf, rc, intf_mode;
@@ -4218,6 +4248,12 @@ int rvu_npc_set_parse_mode(struct rvu *rvu, u16 pcifunc, u64 mode, u8 dir,
shift_dir);
if (rc)
return rc;
+ } else if (pkind >= NPC_RX_SKIP_SIZE_PKIND &&
+ pkind <= NPC_RX_SKIP_SIZE_PKIND + 3) {
+ rc = npc_set_skip_size_pkind(rvu, pcifunc, pkind,
+ skip_size);
+ if (rc)
+ return rc;
}
rxpkind = pkind;
txpkind = pkind;
@@ -4254,7 +4290,8 @@ int rvu_mbox_handler_npc_set_pkind(struct rvu *rvu, struct npc_set_pkind *req,
{
return rvu_npc_set_parse_mode(rvu, req->hdr.pcifunc, req->mode,
req->dir, req->pkind, req->var_len_off,
- req->var_len_off_mask, req->shift_dir);
+ req->var_len_off_mask, req->shift_dir,
+ req->skip_size);
}
int rvu_mbox_handler_npc_read_base_steer_rule(struct rvu *rvu,
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn20k.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn20k.c
index dbf173196608..8e41431c7f9c 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/cn20k.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn20k.c
@@ -656,6 +656,7 @@ static int cn20k_pool_aq_init(struct otx2_nic *pfvf, u16 pool_id,
pp_params.nid = NUMA_NO_NODE;
pp_params.dev = pfvf->dev;
pp_params.dma_dir = DMA_FROM_DEVICE;
+ pp_params.netdev = pfvf->netdev;
pool->page_pool = page_pool_create(&pp_params);
if (IS_ERR(pool->page_pool)) {
netdev_err(pfvf->netdev, "Creation of page pool failed\n");
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 3d253132a17f..ca73a94db794 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -1035,7 +1035,6 @@ int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)
if (qidx > pfvf->hw.xdp_queues)
otx2_attach_xsk_buff(pfvf, sq, (qidx - pfvf->hw.xdp_queues));
-
chan_offset = qidx % pfvf->hw.tx_chan_cnt;
err = pfvf->hw_ops->sq_aq_init(pfvf, qidx, chan_offset, sqb_aura);
if (err) {
@@ -1517,6 +1516,7 @@ int otx2_pool_aq_init(struct otx2_nic *pfvf, u16 pool_id,
pp_params.nid = NUMA_NO_NODE;
pp_params.dev = pfvf->dev;
pp_params.dma_dir = DMA_FROM_DEVICE;
+ pp_params.netdev = pfvf->netdev;
pool->page_pool = page_pool_create(&pp_params);
if (IS_ERR(pool->page_pool)) {
netdev_err(pfvf->netdev, "Creation of page pool failed\n");
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index 625bb5a05344..8d2d607bc92f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -750,7 +750,7 @@ static void otx2_sqe_add_ext(struct otx2_nic *pfvf, struct otx2_snd_queue *sq,
ext->lso_format = pfvf->hw.lso_udpv6_idx;
}
- udph->len = htons(sizeof(struct udphdr));
+ udp_set_len_short(udph, sizeof(struct udphdr));
}
} else if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) {
ext->tstmp = 1;
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_router.c b/drivers/net/ethernet/marvell/prestera/prestera_router.c
index b036b173a308..0c4f462baa6e 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_router.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_router.c
@@ -1302,10 +1302,8 @@ static int __prestera_inetaddr_port_event(struct net_device *port_dev,
dev_hold(port_dev);
break;
case NETDEV_DOWN:
- if (!re) {
- NL_SET_ERR_MSG_MOD(extack, "Can't find RIF");
- return -EEXIST;
- }
+ if (!re)
+ return 0;
prestera_rif_entry_destroy(port->sw, re);
dev_put(port_dev);
break;
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 5d291e50a47b..fe7610c42e5d 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -26,6 +26,7 @@
#include <linux/bitfield.h>
#include <net/dsa.h>
#include <net/dst_metadata.h>
+#include <net/netdev_lock.h>
#include <net/page_pool/helpers.h>
#include <linux/genalloc.h>
@@ -5030,10 +5031,14 @@ void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev)
continue;
list_add_tail(&dev->close_list, &dev_list);
+ netdev_lock_ops(dev);
}
netif_close_many(&dev_list, false);
+ list_for_each_entry(dev, &dev_list, close_list)
+ netdev_unlock_ops(dev);
+
eth->dma_dev = dma_dev;
list_for_each_entry_safe(dev, tmp, &dev_list, close_list) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index c31e05529fc4..b9026cc64383 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -383,6 +383,7 @@ static const struct devlink_ops mlx5_devlink_ops = {
.rate_node_del = mlx5_esw_devlink_rate_node_del,
.rate_leaf_parent_set = mlx5_esw_devlink_rate_leaf_parent_set,
.rate_node_parent_set = mlx5_esw_devlink_rate_node_parent_set,
+ .supported_cross_device_rate_nodes = true,
#endif
#ifdef CONFIG_MLX5_SF_MANAGER
.port_new = mlx5_devlink_sf_port_new,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index d507289096c2..45bda7b226e9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -1028,7 +1028,7 @@ struct mlx5e_profile {
void (*cleanup_rx)(struct mlx5e_priv *priv);
int (*init_tx)(struct mlx5e_priv *priv);
void (*cleanup_tx)(struct mlx5e_priv *priv);
- void (*enable)(struct mlx5e_priv *priv);
+ int (*enable)(struct mlx5e_priv *priv);
void (*disable)(struct mlx5e_priv *priv);
int (*update_rx)(struct mlx5e_priv *priv);
void (*update_stats)(struct mlx5e_priv *priv);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
index 091b80a67189..4973fb473ff0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
@@ -88,13 +88,18 @@ enum {
#ifdef CONFIG_MLX5_EN_ARFS
MLX5E_ARFS_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
#endif
-#if defined(CONFIG_MLX5_EN_IPSEC) || defined(CONFIG_MLX5_EN_PSP)
+#if defined(CONFIG_MLX5_EN_IPSEC)
MLX5E_ACCEL_FS_ESP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL,
MLX5E_ACCEL_FS_POL_FT_LEVEL,
MLX5E_ACCEL_FS_POL_MISS_FT_LEVEL,
MLX5E_ACCEL_FS_ESP_FT_ROCE_LEVEL,
#endif
+#if defined(CONFIG_MLX5_EN_PSP)
+ MLX5E_ACCEL_FS_PSP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
+ MLX5E_ACCEL_FS_PSP_ERR_FT_LEVEL,
+ MLX5E_ACCEL_FS_PSP_RX_FT_LEVEL,
+#endif
};
struct mlx5e_flow_steering;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
index b526b3898c22..3f212e46fc2f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
@@ -220,18 +220,7 @@ static inline void mlx5e_accel_tx_finish(struct mlx5e_txqsq *sq,
static inline int mlx5e_accel_init_rx(struct mlx5e_priv *priv)
{
- int err;
-
- err = mlx5_accel_psp_fs_init_rx_tables(priv);
- if (err)
- goto out;
-
- err = mlx5e_ktls_init_rx(priv);
- if (err)
- mlx5_accel_psp_fs_cleanup_rx_tables(priv);
-
-out:
- return err;
+ return mlx5e_ktls_init_rx(priv);
}
static inline void mlx5e_accel_cleanup_rx(struct mlx5e_priv *priv)
@@ -242,12 +231,6 @@ static inline void mlx5e_accel_cleanup_rx(struct mlx5e_priv *priv)
static inline int mlx5e_accel_init_tx(struct mlx5e_priv *priv)
{
- int err;
-
- err = mlx5_accel_psp_fs_init_tx_tables(priv);
- if (err)
- return err;
-
return mlx5e_ktls_init_tx(priv);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c
index d9adb993e64d..73b232379263 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.c
@@ -21,51 +21,52 @@ enum accel_psp_syndrome {
PSP_BAD_TRAILER,
};
-struct mlx5e_psp_tx {
+struct mlx5e_psp_tx_table {
struct mlx5_flow_namespace *ns;
struct mlx5_flow_table *ft;
struct mlx5_flow_group *fg;
struct mlx5_flow_handle *rule;
- struct mutex mutex; /* Protect PSP TX steering */
- u32 refcnt;
- struct mlx5_fc *tx_counter;
};
-struct mlx5e_psp_rx_err {
+struct mlx5e_psp_rx_check_table {
struct mlx5_flow_table *ft;
+ struct mlx5_flow_group *drop_group;
struct mlx5_flow_handle *rule;
struct mlx5_flow_handle *auth_fail_rule;
struct mlx5_flow_handle *err_rule;
struct mlx5_flow_handle *bad_rule;
- struct mlx5_modify_hdr *copy_modify_hdr;
};
-struct mlx5e_accel_fs_psp_prot {
+struct mlx5e_psp_rx_decrypt_table {
struct mlx5_flow_table *ft;
struct mlx5_flow_group *miss_group;
struct mlx5_flow_handle *miss_rule;
struct mlx5_modify_hdr *rx_modify_hdr;
- struct mlx5_flow_destination default_dest;
- struct mlx5e_psp_rx_err rx_err;
- u32 refcnt;
- struct mutex prot_mutex; /* protect ESP4/ESP6 protocol */
- struct mlx5_flow_handle *def_rule;
+ struct mlx5_flow_handle *rule;
};
-struct mlx5e_accel_fs_psp {
- struct mlx5e_accel_fs_psp_prot fs_prot[ACCEL_FS_PSP_NUM_TYPES];
- struct mlx5_fc *rx_counter;
- struct mlx5_fc *rx_auth_fail_counter;
- struct mlx5_fc *rx_err_counter;
- struct mlx5_fc *rx_bad_counter;
+struct mlx5e_psp_rx_table {
+ struct mlx5_flow_table *ft;
+ struct mlx5_flow_group *miss_group;
+ struct mlx5_flow_handle *miss_rule;
+ struct mlx5_flow_handle *udp_rules[ACCEL_FS_PSP_NUM_TYPES];
};
struct mlx5e_psp_fs {
struct mlx5_core_dev *mdev;
- struct mlx5e_psp_tx *tx_fs;
- /* Rx manage */
+ struct mlx5_fc *tx_counter;
+ struct mlx5e_psp_tx_table tx;
+
+ /* Rx */
struct mlx5e_flow_steering *fs;
- struct mlx5e_accel_fs_psp *rx_fs;
+ struct mlx5_fc *rx_counter;
+ struct mlx5_fc *rx_auth_fail_counter;
+ struct mlx5_fc *rx_err_counter;
+ struct mlx5_fc *rx_bad_counter;
+
+ struct mlx5e_psp_rx_decrypt_table decrypt[ACCEL_FS_PSP_NUM_TYPES];
+ struct mlx5e_psp_rx_check_table check;
+ struct mlx5e_psp_rx_table rx;
};
/* PSP RX flow steering */
@@ -77,44 +78,200 @@ static enum mlx5_traffic_types fs_psp2tt(enum accel_fs_psp_type i)
return MLX5_TT_IPV6_UDP;
}
-static void accel_psp_fs_rx_err_del_rules(struct mlx5e_psp_fs *fs,
- struct mlx5e_psp_rx_err *rx_err)
+static int accel_psp_fs_create_ft(struct mlx5e_psp_fs *fs,
+ struct mlx5_flow_table_attr *ft_attr,
+ struct mlx5_flow_table **ft)
+{
+ struct mlx5_flow_namespace *ns = mlx5e_fs_get_ns(fs->fs, false);
+ int err = 0;
+
+ *ft = mlx5_create_auto_grouped_flow_table(ns, ft_attr);
+ if (IS_ERR(*ft)) {
+ err = PTR_ERR(*ft);
+ *ft = NULL;
+ }
+
+ return err;
+}
+
+static void accel_psp_fs_destroy_ft(struct mlx5_flow_table **table)
{
- if (rx_err->bad_rule) {
- mlx5_del_flow_rules(rx_err->bad_rule);
- rx_err->bad_rule = NULL;
+ if (*table) {
+ mlx5_destroy_flow_table(*table);
+ *table = NULL;
}
+}
- if (rx_err->err_rule) {
- mlx5_del_flow_rules(rx_err->err_rule);
- rx_err->err_rule = NULL;
+static void accel_psp_fs_del_flow_rule(struct mlx5_flow_handle **rule)
+{
+ if (*rule) {
+ mlx5_del_flow_rules(*rule);
+ *rule = NULL;
}
+}
+
+static int accel_psp_fs_create_miss_group(struct mlx5_flow_table *ft,
+ struct mlx5_flow_group **group)
+{
+ int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+ u32 *in = kvzalloc(inlen, GFP_KERNEL);
+ int err = 0;
- if (rx_err->auth_fail_rule) {
- mlx5_del_flow_rules(rx_err->auth_fail_rule);
- rx_err->auth_fail_rule = NULL;
+ if (!in)
+ return -ENOMEM;
+
+ MLX5_SET(create_flow_group_in, in, start_flow_index, ft->max_fte - 1);
+ MLX5_SET(create_flow_group_in, in, end_flow_index, ft->max_fte - 1);
+ *group = mlx5_create_flow_group(ft, in);
+ if (IS_ERR(*group)) {
+ err = PTR_ERR(*group);
+ *group = NULL;
}
+ kvfree(in);
- if (rx_err->rule) {
- mlx5_del_flow_rules(rx_err->rule);
- rx_err->rule = NULL;
+ return err;
+}
+
+static void accel_psp_fs_destroy_flow_group(struct mlx5_flow_group **group)
+{
+ if (*group) {
+ mlx5_destroy_flow_group(*group);
+ *group = NULL;
}
+}
+
+static int accel_psp_fs_create_counter(struct mlx5_core_dev *dev,
+ struct mlx5_fc **counter)
+{
+ *counter = mlx5_fc_create(dev, false);
+ if (IS_ERR(*counter)) {
+ int err = PTR_ERR(*counter);
+
+ *counter = NULL;
+ return err;
+ }
+
+ return 0;
+}
- if (rx_err->copy_modify_hdr) {
- mlx5_modify_header_dealloc(fs->mdev, rx_err->copy_modify_hdr);
- rx_err->copy_modify_hdr = NULL;
+static void accel_psp_fs_destroy_counter(struct mlx5_core_dev *dev,
+ struct mlx5_fc **counter)
+{
+ if (*counter) {
+ mlx5_fc_destroy(dev, *counter);
+ *counter = NULL;
}
}
-static void accel_psp_fs_rx_err_destroy_ft(struct mlx5e_psp_fs *fs,
- struct mlx5e_psp_rx_err *rx_err)
+static void accel_psp_fs_rx_ft_destroy(struct mlx5e_psp_rx_table *rx)
+{
+ int i;
+
+ for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++)
+ accel_psp_fs_del_flow_rule(&rx->udp_rules[i]);
+ accel_psp_fs_del_flow_rule(&rx->miss_rule);
+ accel_psp_fs_destroy_flow_group(&rx->miss_group);
+ accel_psp_fs_destroy_ft(&rx->ft);
+}
+
+static int accel_psp_fs_rx_ft_create(struct mlx5e_psp_fs *fs,
+ struct mlx5e_psp_rx_table *rx)
{
- accel_psp_fs_rx_err_del_rules(fs, rx_err);
+ struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(fs->fs, false);
+ struct mlx5_flow_destination dest[2] = {};
+ struct mlx5_flow_table_attr ft_attr = {};
+ struct mlx5_core_dev *mdev = fs->mdev;
+ MLX5_DECLARE_FLOW_ACT(flow_act);
+ struct mlx5_flow_handle *rule;
+ struct mlx5_flow_spec *spec;
+ int i, err = 0;
+
+ spec = kzalloc_obj(*spec);
+ if (!spec)
+ return -ENOMEM;
+
+ ft_attr.max_fte = 1 + ACCEL_FS_PSP_NUM_TYPES;
+ ft_attr.level = MLX5E_ACCEL_FS_PSP_RX_FT_LEVEL;
+ ft_attr.prio = MLX5E_NIC_PRIO;
+ ft_attr.autogroup.num_reserved_entries = 1;
+ err = accel_psp_fs_create_ft(fs, &ft_attr, &rx->ft);
+ if (err) {
+ mlx5_core_err(mdev, "fail to create psp rx ft err=%d\n", err);
+ goto out_err;
+ }
- if (rx_err->ft) {
- mlx5_destroy_flow_table(rx_err->ft);
- rx_err->ft = NULL;
+ err = accel_psp_fs_create_miss_group(rx->ft, &rx->miss_group);
+ if (err) {
+ mlx5_core_err(mdev, "fail to create psp rx miss_group err=%d\n",
+ err);
+ goto out_err;
}
+
+ /* Add miss rule */
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ flow_act.flags = FLOW_ACT_IGNORE_FLOW_LEVEL;
+ dest[0].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
+ dest[0].ft = mlx5_get_ttc_flow_table(ttc);
+ dest[1].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
+ dest[1].counter = fs->rx_counter;
+ rule = mlx5_add_flow_rules(rx->ft, NULL, &flow_act, dest, 2);
+ if (IS_ERR(rule)) {
+ err = PTR_ERR(rule);
+ mlx5_core_err(mdev, "fail to create psp rx rule, err=%d\n",
+ err);
+ goto out_err;
+ }
+ rx->miss_rule = rule;
+
+ /* Add UDP v4/v6 rules */
+ spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
+ outer_headers.ip_version);
+ MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, spec->match_criteria,
+ ip_protocol);
+ MLX5_SET(fte_match_set_lyr_2_4, spec->match_value, ip_protocol,
+ IPPROTO_UDP);
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ flow_act.flags = 0;
+ for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++) {
+ int version = i == ACCEL_FS_PSP4 ? 4 : 6;
+
+ MLX5_SET(fte_match_param, spec->match_value,
+ outer_headers.ip_version, version);
+ dest[0] = mlx5_ttc_get_default_dest(ttc, fs_psp2tt(i));
+ dest[1].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
+ dest[1].counter = fs->rx_counter;
+ rule = mlx5_add_flow_rules(rx->ft, spec, &flow_act, dest,
+ 2);
+ if (IS_ERR(rule)) {
+ err = PTR_ERR(rule);
+ mlx5_core_err(mdev,
+ "fail to create psp rx UDP%d rule err=%d\n",
+ version, err);
+ goto out_err;
+ }
+ rx->udp_rules[i] = rule;
+ }
+ goto out_spec;
+
+out_err:
+ accel_psp_fs_rx_ft_destroy(rx);
+out_spec:
+ kvfree(spec);
+ return err;
+}
+
+static
+void accel_psp_fs_rx_check_ft_destroy(struct mlx5e_psp_rx_check_table *check)
+{
+ accel_psp_fs_del_flow_rule(&check->bad_rule);
+ accel_psp_fs_del_flow_rule(&check->err_rule);
+ accel_psp_fs_del_flow_rule(&check->auth_fail_rule);
+ accel_psp_fs_del_flow_rule(&check->rule);
+ accel_psp_fs_destroy_flow_group(&check->drop_group);
+ accel_psp_fs_destroy_ft(&check->ft);
}
static void accel_psp_setup_syndrome_match(struct mlx5_flow_spec *spec,
@@ -129,15 +286,35 @@ static void accel_psp_setup_syndrome_match(struct mlx5_flow_spec *spec,
MLX5_SET(fte_match_set_misc2, misc_params_2, psp_syndrome, syndrome);
}
-static int accel_psp_fs_rx_err_add_rule(struct mlx5e_psp_fs *fs,
- struct mlx5e_accel_fs_psp_prot *fs_prot,
- struct mlx5e_psp_rx_err *rx_err)
+static int accel_psp_add_drop_rule(struct mlx5_flow_table *ft,
+ struct mlx5_flow_spec *spec,
+ struct mlx5_fc *counter,
+ struct mlx5_flow_handle **rule)
{
- u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {};
+ struct mlx5_flow_destination dest = {};
+ struct mlx5_flow_act flow_act = {};
+ int err = 0;
+
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP |
+ MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ dest.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
+ dest.counter = counter;
+ *rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
+ if (IS_ERR(*rule)) {
+ err = PTR_ERR(*rule);
+ *rule = NULL;
+ }
+ return err;
+}
+
+static
+int accel_psp_fs_rx_check_ft_create(struct mlx5e_psp_fs *fs,
+ struct mlx5e_psp_rx_check_table *check)
+{
+ struct mlx5_flow_table_attr ft_attr = {};
+ struct mlx5_flow_destination dest = {};
struct mlx5_core_dev *mdev = fs->mdev;
- struct mlx5_flow_destination dest[2];
struct mlx5_flow_act flow_act = {};
- struct mlx5_modify_hdr *modify_hdr;
struct mlx5_flow_handle *fte;
struct mlx5_flow_spec *spec;
int err = 0;
@@ -146,174 +323,97 @@ static int accel_psp_fs_rx_err_add_rule(struct mlx5e_psp_fs *fs,
if (!spec)
return -ENOMEM;
- /* Action to copy 7 bit psp_syndrome to regB[23:29] */
- MLX5_SET(copy_action_in, action, action_type, MLX5_ACTION_TYPE_COPY);
- MLX5_SET(copy_action_in, action, src_field, MLX5_ACTION_IN_FIELD_PSP_SYNDROME);
- MLX5_SET(copy_action_in, action, src_offset, 0);
- MLX5_SET(copy_action_in, action, length, 7);
- MLX5_SET(copy_action_in, action, dst_field, MLX5_ACTION_IN_FIELD_METADATA_REG_B);
- MLX5_SET(copy_action_in, action, dst_offset, 23);
+ ft_attr.max_fte = 4;
+ ft_attr.autogroup.num_reserved_entries = 1;
+ ft_attr.autogroup.max_num_groups = 2;
+ ft_attr.level = MLX5E_ACCEL_FS_PSP_ERR_FT_LEVEL;
+ ft_attr.prio = MLX5E_NIC_PRIO;
+ err = accel_psp_fs_create_ft(fs, &ft_attr, &check->ft);
+ if (err) {
+ mlx5_core_err(fs->mdev,
+ "fail to create psp rx check ft err=%d\n", err);
+ goto out_err;
+ }
- modify_hdr = mlx5_modify_header_alloc(mdev, MLX5_FLOW_NAMESPACE_KERNEL,
- 1, action);
- if (IS_ERR(modify_hdr)) {
- err = PTR_ERR(modify_hdr);
- mlx5_core_err(mdev,
- "fail to alloc psp copy modify_header_id err=%d\n", err);
- goto out_spec;
+ err = accel_psp_fs_create_miss_group(check->ft, &check->drop_group);
+ if (err) {
+ mlx5_core_err(fs->mdev,
+ "fail to create psp rx check drop group err=%d\n",
+ err);
+ goto out_err;
}
accel_psp_setup_syndrome_match(spec, PSP_OK);
/* create fte */
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_MOD_HDR |
- MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
- flow_act.modify_hdr = modify_hdr;
- dest[0].type = fs_prot->default_dest.type;
- dest[0].ft = fs_prot->default_dest.ft;
- dest[1].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
- dest[1].counter = fs->rx_fs->rx_counter;
- fte = mlx5_add_flow_rules(rx_err->ft, spec, &flow_act, dest, 2);
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
+ dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
+ dest.ft = fs->rx.ft;
+ fte = mlx5_add_flow_rules(check->ft, spec, &flow_act, &dest, 1);
if (IS_ERR(fte)) {
err = PTR_ERR(fte);
- mlx5_core_err(mdev, "fail to add psp rx err copy rule err=%d\n", err);
- goto out;
+ mlx5_core_err(mdev, "fail to add psp rx check ok rule err=%d\n",
+ err);
+ goto out_err;
}
- rx_err->rule = fte;
+ check->rule = fte;
/* add auth fail drop rule */
memset(spec, 0, sizeof(*spec));
- memset(&flow_act, 0, sizeof(flow_act));
accel_psp_setup_syndrome_match(spec, PSP_ICV_FAIL);
- /* create fte */
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
- dest[0].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
- dest[0].counter = fs->rx_fs->rx_auth_fail_counter;
- fte = mlx5_add_flow_rules(rx_err->ft, spec, &flow_act, dest, 1);
- if (IS_ERR(fte)) {
- err = PTR_ERR(fte);
- mlx5_core_err(mdev, "fail to add psp rx auth fail drop rule err=%d\n",
+ err = accel_psp_add_drop_rule(check->ft, spec,
+ fs->rx_auth_fail_counter,
+ &check->auth_fail_rule);
+ if (err) {
+ mlx5_core_err(mdev,
+ "fail to add psp rx check auth fail drop rule err=%d\n",
err);
- goto out_drop_rule;
+ goto out_err;
}
- rx_err->auth_fail_rule = fte;
/* add framing drop rule */
memset(spec, 0, sizeof(*spec));
- memset(&flow_act, 0, sizeof(flow_act));
accel_psp_setup_syndrome_match(spec, PSP_BAD_TRAILER);
- /* create fte */
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
- dest[0].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
- dest[0].counter = fs->rx_fs->rx_err_counter;
- fte = mlx5_add_flow_rules(rx_err->ft, spec, &flow_act, dest, 1);
- if (IS_ERR(fte)) {
- err = PTR_ERR(fte);
- mlx5_core_err(mdev, "fail to add psp rx framing err drop rule err=%d\n",
+ err = accel_psp_add_drop_rule(check->ft, spec, fs->rx_err_counter,
+ &check->err_rule);
+ if (err) {
+ mlx5_core_err(mdev,
+ "fail to add psp rx check framing drop rule err=%d\n",
err);
- goto out_drop_auth_fail_rule;
+ goto out_err;
}
- rx_err->err_rule = fte;
/* add misc. errors drop rule */
memset(spec, 0, sizeof(*spec));
- memset(&flow_act, 0, sizeof(flow_act));
- /* create fte */
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP |
- MLX5_FLOW_CONTEXT_ACTION_COUNT;
- dest[0].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
- dest[0].counter = fs->rx_fs->rx_bad_counter;
- fte = mlx5_add_flow_rules(rx_err->ft, spec, &flow_act, dest, 1);
- if (IS_ERR(fte)) {
- err = PTR_ERR(fte);
- mlx5_core_err(mdev, "fail to add psp rx misc. err drop rule err=%d\n",
+ err = accel_psp_add_drop_rule(check->ft, spec, fs->rx_bad_counter,
+ &check->bad_rule);
+ if (err) {
+ mlx5_core_err(mdev,
+ "fail to add psp rx check misc. err drop rule err=%d\n",
err);
- goto out_drop_error_rule;
+ goto out_err;
}
- rx_err->bad_rule = fte;
-
- rx_err->copy_modify_hdr = modify_hdr;
goto out_spec;
-out_drop_error_rule:
- mlx5_del_flow_rules(rx_err->err_rule);
- rx_err->err_rule = NULL;
-out_drop_auth_fail_rule:
- mlx5_del_flow_rules(rx_err->auth_fail_rule);
- rx_err->auth_fail_rule = NULL;
-out_drop_rule:
- mlx5_del_flow_rules(rx_err->rule);
- rx_err->rule = NULL;
-out:
- mlx5_modify_header_dealloc(mdev, modify_hdr);
+out_err:
+ accel_psp_fs_rx_check_ft_destroy(check);
out_spec:
kfree(spec);
return err;
}
-static int accel_psp_fs_rx_err_create_ft(struct mlx5e_psp_fs *fs,
- struct mlx5e_accel_fs_psp_prot *fs_prot,
- struct mlx5e_psp_rx_err *rx_err)
+static void
+accel_psp_fs_rx_decrypt_ft_destroy(struct mlx5e_psp_fs *fs,
+ struct mlx5e_psp_rx_decrypt_table *decrypt)
{
- struct mlx5_flow_namespace *ns = mlx5e_fs_get_ns(fs->fs, false);
- struct mlx5_flow_table_attr ft_attr = {};
- struct mlx5_flow_table *ft;
- int err;
-
- ft_attr.max_fte = 2;
- ft_attr.autogroup.max_num_groups = 2;
- ft_attr.level = MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL; // MLX5E_ACCEL_FS_TCP_FT_LEVEL
- ft_attr.prio = MLX5E_NIC_PRIO;
- ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr);
- if (IS_ERR(ft)) {
- err = PTR_ERR(ft);
- mlx5_core_err(fs->mdev, "fail to create psp rx inline ft err=%d\n", err);
- return err;
- }
-
- rx_err->ft = ft;
- err = accel_psp_fs_rx_err_add_rule(fs, fs_prot, rx_err);
- if (err)
- goto out_err;
-
- return 0;
-
-out_err:
- mlx5_destroy_flow_table(ft);
- rx_err->ft = NULL;
- return err;
-}
-
-static void accel_psp_fs_rx_fs_destroy(struct mlx5e_psp_fs *fs,
- struct mlx5e_accel_fs_psp_prot *fs_prot)
-{
- if (fs_prot->def_rule) {
- mlx5_del_flow_rules(fs_prot->def_rule);
- fs_prot->def_rule = NULL;
- }
-
- if (fs_prot->rx_modify_hdr) {
- mlx5_modify_header_dealloc(fs->mdev, fs_prot->rx_modify_hdr);
- fs_prot->rx_modify_hdr = NULL;
- }
-
- if (fs_prot->miss_rule) {
- mlx5_del_flow_rules(fs_prot->miss_rule);
- fs_prot->miss_rule = NULL;
- }
-
- if (fs_prot->miss_group) {
- mlx5_destroy_flow_group(fs_prot->miss_group);
- fs_prot->miss_group = NULL;
- }
-
- if (fs_prot->ft) {
- mlx5_destroy_flow_table(fs_prot->ft);
- fs_prot->ft = NULL;
+ accel_psp_fs_del_flow_rule(&decrypt->rule);
+ if (decrypt->rx_modify_hdr) {
+ mlx5_modify_header_dealloc(fs->mdev, decrypt->rx_modify_hdr);
+ decrypt->rx_modify_hdr = NULL;
}
+ accel_psp_fs_del_flow_rule(&decrypt->miss_rule);
+ accel_psp_fs_destroy_flow_group(&decrypt->miss_group);
+ accel_psp_fs_destroy_ft(&decrypt->ft);
}
static void setup_fte_udp_psp(struct mlx5_flow_spec *spec, u16 udp_port)
@@ -325,70 +425,64 @@ static void setup_fte_udp_psp(struct mlx5_flow_spec *spec, u16 udp_port)
MLX5_SET(fte_match_set_lyr_2_4, spec->match_value, ip_protocol, IPPROTO_UDP);
}
-static int accel_psp_fs_rx_create_ft(struct mlx5e_psp_fs *fs,
- struct mlx5e_accel_fs_psp_prot *fs_prot)
+static int
+accel_psp_fs_rx_decrypt_ft_create(struct mlx5e_psp_fs *fs,
+ struct mlx5e_psp_rx_decrypt_table *decrypt,
+ struct mlx5_flow_destination *default_dest)
{
- struct mlx5_flow_namespace *ns = mlx5e_fs_get_ns(fs->fs, false);
u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {};
- int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_modify_hdr *modify_hdr = NULL;
struct mlx5_flow_table_attr ft_attr = {};
struct mlx5_flow_destination dest = {};
struct mlx5_core_dev *mdev = fs->mdev;
- struct mlx5_flow_group *miss_group;
MLX5_DECLARE_FLOW_ACT(flow_act);
struct mlx5_flow_handle *rule;
struct mlx5_flow_spec *spec;
- struct mlx5_flow_table *ft;
- u32 *flow_group_in;
int err = 0;
- flow_group_in = kvzalloc(inlen, GFP_KERNEL);
spec = kvzalloc_obj(*spec);
- if (!flow_group_in || !spec) {
- err = -ENOMEM;
- goto out;
- }
+ if (!spec)
+ return -ENOMEM;
/* Create FT */
ft_attr.max_fte = 2;
- ft_attr.level = MLX5E_ACCEL_FS_ESP_FT_LEVEL;
- ft_attr.prio = MLX5E_NIC_PRIO;
+ ft_attr.level = MLX5E_ACCEL_FS_PSP_FT_LEVEL;
ft_attr.autogroup.num_reserved_entries = 1;
ft_attr.autogroup.max_num_groups = 1;
- ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr);
- if (IS_ERR(ft)) {
- err = PTR_ERR(ft);
- mlx5_core_err(mdev, "fail to create psp rx ft err=%d\n", err);
+ ft_attr.prio = MLX5E_NIC_PRIO;
+ err = accel_psp_fs_create_ft(fs, &ft_attr, &decrypt->ft);
+ if (err) {
+ mlx5_core_err(mdev, "fail to create psp rx decrypt ft err=%d\n",
+ err);
goto out_err;
}
- fs_prot->ft = ft;
/* Create miss_group */
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ft->max_fte - 1);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, ft->max_fte - 1);
- miss_group = mlx5_create_flow_group(ft, flow_group_in);
- if (IS_ERR(miss_group)) {
- err = PTR_ERR(miss_group);
- mlx5_core_err(mdev, "fail to create psp rx miss_group err=%d\n", err);
+ err = accel_psp_fs_create_miss_group(decrypt->ft, &decrypt->miss_group);
+ if (err) {
+ mlx5_core_err(mdev,
+ "fail to create psp rx decrypt miss_group err=%d\n",
+ err);
goto out_err;
}
- fs_prot->miss_group = miss_group;
/* Create miss rule */
- rule = mlx5_add_flow_rules(ft, spec, &flow_act, &fs_prot->default_dest, 1);
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
+ rule = mlx5_add_flow_rules(decrypt->ft, spec, &flow_act, default_dest,
+ 1);
if (IS_ERR(rule)) {
err = PTR_ERR(rule);
- mlx5_core_err(mdev, "fail to create psp rx miss_rule err=%d\n", err);
+ mlx5_core_err(mdev,
+ "fail to create psp rx decrypt miss_rule err=%d\n",
+ err);
goto out_err;
}
- fs_prot->miss_rule = rule;
+ decrypt->miss_rule = rule;
- /* Add default Rx psp rule */
+ /* Add PSP RX decrypt rule */
setup_fte_udp_psp(spec, PSP_DEFAULT_UDP_PORT);
flow_act.crypto.type = MLX5_FLOW_CONTEXT_ENCRYPT_DECRYPT_TYPE_PSP;
/* Set bit[31, 30] PSP marker */
- /* Set bit[29-23] psp_syndrome is set in error FT */
#define MLX5E_PSP_MARKER_BIT (BIT(30) | BIT(31))
MLX5_SET(set_action_in, action, action_type, MLX5_ACTION_TYPE_SET);
MLX5_SET(set_action_in, action, field, MLX5_ACTION_IN_FIELD_METADATA_REG_B);
@@ -403,275 +497,159 @@ static int accel_psp_fs_rx_create_ft(struct mlx5e_psp_fs *fs,
modify_hdr = NULL;
goto out_err;
}
- fs_prot->rx_modify_hdr = modify_hdr;
+ decrypt->rx_modify_hdr = modify_hdr;
flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
MLX5_FLOW_CONTEXT_ACTION_CRYPTO_DECRYPT |
MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
flow_act.modify_hdr = modify_hdr;
dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
- dest.ft = fs_prot->rx_err.ft;
- rule = mlx5_add_flow_rules(fs_prot->ft, spec, &flow_act, &dest, 1);
+ dest.ft = fs->check.ft;
+ rule = mlx5_add_flow_rules(decrypt->ft, spec, &flow_act, &dest, 1);
if (IS_ERR(rule)) {
err = PTR_ERR(rule);
- mlx5_core_err(mdev,
- "fail to add psp rule Rx decryption, err=%d, flow_act.action = %#04X\n",
- err, flow_act.action);
+ mlx5_core_err(mdev, "fail to add psp rx decrypt rule, err=%d\n",
+ err);
goto out_err;
}
- fs_prot->def_rule = rule;
- goto out;
+ decrypt->rule = rule;
+ goto out_spec;
out_err:
- accel_psp_fs_rx_fs_destroy(fs, fs_prot);
-out:
- kvfree(flow_group_in);
+ accel_psp_fs_rx_decrypt_ft_destroy(fs, decrypt);
+out_spec:
kvfree(spec);
return err;
}
-static int accel_psp_fs_rx_destroy(struct mlx5e_psp_fs *fs, enum accel_fs_psp_type type)
+static void accel_psp_fs_rx_destroy(struct mlx5e_psp_fs *fs)
{
- struct mlx5e_accel_fs_psp_prot *fs_prot;
- struct mlx5e_accel_fs_psp *accel_psp;
-
- accel_psp = fs->rx_fs;
-
- /* The netdev unreg already happened, so all offloaded rule are already removed */
- fs_prot = &accel_psp->fs_prot[type];
-
- accel_psp_fs_rx_fs_destroy(fs, fs_prot);
-
- accel_psp_fs_rx_err_destroy_ft(fs, &fs_prot->rx_err);
+ struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(fs->fs, false);
+ int i;
- return 0;
+ /* disconnect */
+ for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++) {
+ mlx5_ttc_fwd_default_dest(ttc, fs_psp2tt(i));
+ accel_psp_fs_rx_decrypt_ft_destroy(fs, &fs->decrypt[i]);
+ }
+ accel_psp_fs_rx_check_ft_destroy(&fs->check);
+ accel_psp_fs_rx_ft_destroy(&fs->rx);
}
-static int accel_psp_fs_rx_create(struct mlx5e_psp_fs *fs, enum accel_fs_psp_type type)
+static int accel_psp_fs_rx_create(struct mlx5e_psp_fs *fs,
+ struct netlink_ext_ack *extack)
{
struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(fs->fs, false);
- struct mlx5e_accel_fs_psp_prot *fs_prot;
- struct mlx5e_accel_fs_psp *accel_psp;
- int err;
-
- accel_psp = fs->rx_fs;
- fs_prot = &accel_psp->fs_prot[type];
+ int i, err;
- fs_prot->default_dest = mlx5_ttc_get_default_dest(ttc, fs_psp2tt(type));
-
- err = accel_psp_fs_rx_err_create_ft(fs, fs_prot, &fs_prot->rx_err);
- if (err)
+ err = accel_psp_fs_rx_ft_create(fs, &fs->rx);
+ if (err) {
+ NL_SET_ERR_MSG(extack, "Failed creating RX steering table");
return err;
+ }
- err = accel_psp_fs_rx_create_ft(fs, fs_prot);
- if (err)
- accel_psp_fs_rx_err_destroy_ft(fs, &fs_prot->rx_err);
-
- return err;
-}
-
-static int accel_psp_fs_rx_ft_get(struct mlx5e_psp_fs *fs, enum accel_fs_psp_type type)
-{
- struct mlx5e_accel_fs_psp_prot *fs_prot;
- struct mlx5_flow_destination dest = {};
- struct mlx5e_accel_fs_psp *accel_psp;
- struct mlx5_ttc_table *ttc;
- int err = 0;
-
- if (!fs || !fs->rx_fs)
- return -EINVAL;
-
- ttc = mlx5e_fs_get_ttc(fs->fs, false);
- accel_psp = fs->rx_fs;
- fs_prot = &accel_psp->fs_prot[type];
- mutex_lock(&fs_prot->prot_mutex);
- if (fs_prot->refcnt++)
- goto out;
-
- /* create FT */
- err = accel_psp_fs_rx_create(fs, type);
+ err = accel_psp_fs_rx_check_ft_create(fs, &fs->check);
if (err) {
- fs_prot->refcnt--;
- goto out;
+ NL_SET_ERR_MSG(extack,
+ "Failed creating RX check steering table");
+ goto err_ft;
}
- /* connect */
- dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
- dest.ft = fs_prot->ft;
- mlx5_ttc_fwd_dest(ttc, fs_psp2tt(type), &dest);
-
-out:
- mutex_unlock(&fs_prot->prot_mutex);
- return err;
-}
-
-static void accel_psp_fs_rx_ft_put(struct mlx5e_psp_fs *fs, enum accel_fs_psp_type type)
-{
- struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(fs->fs, false);
- struct mlx5e_accel_fs_psp_prot *fs_prot;
- struct mlx5e_accel_fs_psp *accel_psp;
-
- accel_psp = fs->rx_fs;
- fs_prot = &accel_psp->fs_prot[type];
- mutex_lock(&fs_prot->prot_mutex);
- if (--fs_prot->refcnt)
- goto out;
-
- /* disconnect */
- mlx5_ttc_fwd_default_dest(ttc, fs_psp2tt(type));
+ for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++) {
+ struct mlx5_flow_destination dest;
+
+ dest = mlx5_ttc_get_default_dest(ttc, fs_psp2tt(i));
+ err = accel_psp_fs_rx_decrypt_ft_create(fs, &fs->decrypt[i],
+ &dest);
+ if (err) {
+ NL_SET_ERR_MSG(extack,
+ "Failed creating RX decrypt steering table");
+ goto err_decrypt_ft;
+ }
+
+ dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
+ dest.ft = fs->decrypt[i].ft;
+ mlx5_ttc_fwd_dest(ttc, fs_psp2tt(i), &dest);
+ }
- /* remove FT */
- accel_psp_fs_rx_destroy(fs, type);
+ return 0;
-out:
- mutex_unlock(&fs_prot->prot_mutex);
+err_decrypt_ft:
+ while (--i >= 0) {
+ mlx5_ttc_fwd_default_dest(ttc, fs_psp2tt(i));
+ accel_psp_fs_rx_decrypt_ft_destroy(fs, &fs->decrypt[i]);
+ }
+ accel_psp_fs_rx_check_ft_destroy(&fs->check);
+err_ft:
+ accel_psp_fs_rx_ft_destroy(&fs->rx);
+ return err;
}
-static void accel_psp_fs_cleanup_rx(struct mlx5e_psp_fs *fs)
+static void accel_psp_fs_rx_cleanup(struct mlx5e_psp_fs *fs)
{
- struct mlx5e_accel_fs_psp_prot *fs_prot;
- struct mlx5e_accel_fs_psp *accel_psp;
- enum accel_fs_psp_type i;
-
- if (!fs->rx_fs)
- return;
-
- accel_psp = fs->rx_fs;
- mlx5_fc_destroy(fs->mdev, accel_psp->rx_bad_counter);
- mlx5_fc_destroy(fs->mdev, accel_psp->rx_err_counter);
- mlx5_fc_destroy(fs->mdev, accel_psp->rx_auth_fail_counter);
- mlx5_fc_destroy(fs->mdev, accel_psp->rx_counter);
- for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++) {
- fs_prot = &accel_psp->fs_prot[i];
- mutex_destroy(&fs_prot->prot_mutex);
- WARN_ON(fs_prot->refcnt);
- }
- kfree(fs->rx_fs);
- fs->rx_fs = NULL;
+ accel_psp_fs_destroy_counter(fs->mdev, &fs->rx_bad_counter);
+ accel_psp_fs_destroy_counter(fs->mdev, &fs->rx_err_counter);
+ accel_psp_fs_destroy_counter(fs->mdev, &fs->rx_auth_fail_counter);
+ accel_psp_fs_destroy_counter(fs->mdev, &fs->rx_counter);
}
-static int accel_psp_fs_init_rx(struct mlx5e_psp_fs *fs)
+static int accel_psp_fs_rx_init(struct mlx5e_psp_fs *fs)
{
- struct mlx5e_accel_fs_psp_prot *fs_prot;
- struct mlx5e_accel_fs_psp *accel_psp;
struct mlx5_core_dev *mdev = fs->mdev;
- struct mlx5_fc *flow_counter;
- enum accel_fs_psp_type i;
int err;
- accel_psp = kzalloc_obj(*accel_psp);
- if (!accel_psp)
- return -ENOMEM;
-
- for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++) {
- fs_prot = &accel_psp->fs_prot[i];
- mutex_init(&fs_prot->prot_mutex);
- }
-
- flow_counter = mlx5_fc_create(mdev, false);
- if (IS_ERR(flow_counter)) {
+ err = accel_psp_fs_create_counter(mdev, &fs->rx_counter);
+ if (err) {
mlx5_core_warn(mdev,
- "fail to create psp rx flow counter err=%pe\n",
- flow_counter);
- err = PTR_ERR(flow_counter);
+ "fail to create psp rx flow counter err=%d\n",
+ err);
goto out_err;
}
- accel_psp->rx_counter = flow_counter;
- flow_counter = mlx5_fc_create(mdev, false);
- if (IS_ERR(flow_counter)) {
+ err = accel_psp_fs_create_counter(mdev, &fs->rx_auth_fail_counter);
+ if (err) {
mlx5_core_warn(mdev,
- "fail to create psp rx auth fail flow counter err=%pe\n",
- flow_counter);
- err = PTR_ERR(flow_counter);
- goto out_counter_err;
+ "fail to create psp rx auth fail flow counter err=%d\n",
+ err);
+ goto out_err;
}
- accel_psp->rx_auth_fail_counter = flow_counter;
- flow_counter = mlx5_fc_create(mdev, false);
- if (IS_ERR(flow_counter)) {
+ err = accel_psp_fs_create_counter(mdev, &fs->rx_err_counter);
+ if (err) {
mlx5_core_warn(mdev,
- "fail to create psp rx error flow counter err=%pe\n",
- flow_counter);
- err = PTR_ERR(flow_counter);
- goto out_auth_fail_counter_err;
+ "fail to create psp rx error flow counter err=%d\n",
+ err);
+ goto out_err;
}
- accel_psp->rx_err_counter = flow_counter;
- flow_counter = mlx5_fc_create(mdev, false);
- if (IS_ERR(flow_counter)) {
+ err = accel_psp_fs_create_counter(mdev, &fs->rx_bad_counter);
+ if (err) {
mlx5_core_warn(mdev,
- "fail to create psp rx bad flow counter err=%pe\n",
- flow_counter);
- err = PTR_ERR(flow_counter);
- goto out_err_counter_err;
+ "fail to create psp rx bad flow counter err=%d\n",
+ err);
+ goto out_err;
}
- accel_psp->rx_bad_counter = flow_counter;
-
- fs->rx_fs = accel_psp;
return 0;
-out_err_counter_err:
- mlx5_fc_destroy(mdev, accel_psp->rx_err_counter);
- accel_psp->rx_err_counter = NULL;
-out_auth_fail_counter_err:
- mlx5_fc_destroy(mdev, accel_psp->rx_auth_fail_counter);
- accel_psp->rx_auth_fail_counter = NULL;
-out_counter_err:
- mlx5_fc_destroy(mdev, accel_psp->rx_counter);
- accel_psp->rx_counter = NULL;
out_err:
- for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++) {
- fs_prot = &accel_psp->fs_prot[i];
- mutex_destroy(&fs_prot->prot_mutex);
- }
- kfree(accel_psp);
- fs->rx_fs = NULL;
-
+ accel_psp_fs_rx_cleanup(fs);
return err;
}
void mlx5_accel_psp_fs_cleanup_rx_tables(struct mlx5e_priv *priv)
{
- int i;
-
if (!priv->psp)
return;
- for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++)
- accel_psp_fs_rx_ft_put(priv->psp->fs, i);
-}
-
-int mlx5_accel_psp_fs_init_rx_tables(struct mlx5e_priv *priv)
-{
- struct mlx5e_psp_fs *fs;
- int err, i;
-
- if (!priv->psp)
- return 0;
-
- fs = priv->psp->fs;
- for (i = 0; i < ACCEL_FS_PSP_NUM_TYPES; i++) {
- err = accel_psp_fs_rx_ft_get(fs, i);
- if (err)
- goto out_err;
- }
-
- return 0;
-
-out_err:
- i--;
- while (i >= 0) {
- accel_psp_fs_rx_ft_put(fs, i);
- --i;
- }
-
- return err;
+ netdev_lock(priv->netdev);
+ accel_psp_fs_rx_destroy(priv->psp->fs);
+ netdev_unlock(priv->netdev);
}
-static int accel_psp_fs_tx_create_ft_table(struct mlx5e_psp_fs *fs)
+static int accel_psp_fs_tx_ft_create(struct mlx5e_psp_fs *fs,
+ struct mlx5e_psp_tx_table *tx)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_table_attr ft_attr = {};
@@ -681,7 +659,6 @@ static int accel_psp_fs_tx_create_ft_table(struct mlx5e_psp_fs *fs)
u32 *in, *mc, *outer_headers_c;
struct mlx5_flow_handle *rule;
struct mlx5_flow_spec *spec;
- struct mlx5e_psp_tx *tx_fs;
struct mlx5_flow_table *ft;
struct mlx5_flow_group *fg;
int err = 0;
@@ -700,8 +677,7 @@ static int accel_psp_fs_tx_create_ft_table(struct mlx5e_psp_fs *fs)
ft_attr.level = MLX5E_PSP_LEVEL;
ft_attr.autogroup.max_num_groups = 1;
- tx_fs = fs->tx_fs;
- ft = mlx5_create_flow_table(tx_fs->ns, &ft_attr);
+ ft = mlx5_create_flow_table(tx->ns, &ft_attr);
if (IS_ERR(ft)) {
err = PTR_ERR(ft);
mlx5_core_err(mdev, "PSP: fail to add psp tx flow table, err = %d\n", err);
@@ -727,7 +703,7 @@ static int accel_psp_fs_tx_create_ft_table(struct mlx5e_psp_fs *fs)
MLX5_FLOW_CONTEXT_ACTION_CRYPTO_ENCRYPT |
MLX5_FLOW_CONTEXT_ACTION_COUNT;
dest.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
- dest.counter = tx_fs->tx_counter;
+ dest.counter = fs->tx_counter;
rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
if (IS_ERR(rule)) {
err = PTR_ERR(rule);
@@ -735,9 +711,9 @@ static int accel_psp_fs_tx_create_ft_table(struct mlx5e_psp_fs *fs)
goto err_add_flow_rule;
}
- tx_fs->ft = ft;
- tx_fs->fg = fg;
- tx_fs->rule = rule;
+ tx->ft = ft;
+ tx->fg = fg;
+ tx->rule = rule;
goto out;
err_add_flow_rule:
@@ -750,87 +726,35 @@ out:
return err;
}
-static void accel_psp_fs_tx_destroy(struct mlx5e_psp_tx *tx_fs)
+static void accel_psp_fs_tx_ft_destroy(struct mlx5e_psp_tx_table *tx)
{
- if (!tx_fs->ft)
- return;
-
- mlx5_del_flow_rules(tx_fs->rule);
- mlx5_destroy_flow_group(tx_fs->fg);
- mlx5_destroy_flow_table(tx_fs->ft);
+ accel_psp_fs_del_flow_rule(&tx->rule);
+ accel_psp_fs_destroy_flow_group(&tx->fg);
+ accel_psp_fs_destroy_ft(&tx->ft);
}
-static int accel_psp_fs_tx_ft_get(struct mlx5e_psp_fs *fs)
+static void accel_psp_fs_tx_cleanup(struct mlx5e_psp_fs *fs)
{
- struct mlx5e_psp_tx *tx_fs = fs->tx_fs;
- int err = 0;
-
- mutex_lock(&tx_fs->mutex);
- if (tx_fs->refcnt++)
- goto out;
-
- err = accel_psp_fs_tx_create_ft_table(fs);
- if (err)
- tx_fs->refcnt--;
-out:
- mutex_unlock(&tx_fs->mutex);
- return err;
+ accel_psp_fs_destroy_counter(fs->mdev, &fs->tx_counter);
}
-static void accel_psp_fs_tx_ft_put(struct mlx5e_psp_fs *fs)
-{
- struct mlx5e_psp_tx *tx_fs = fs->tx_fs;
-
- mutex_lock(&tx_fs->mutex);
- if (--tx_fs->refcnt)
- goto out;
-
- accel_psp_fs_tx_destroy(tx_fs);
-out:
- mutex_unlock(&tx_fs->mutex);
-}
-
-static void accel_psp_fs_cleanup_tx(struct mlx5e_psp_fs *fs)
-{
- struct mlx5e_psp_tx *tx_fs = fs->tx_fs;
-
- if (!tx_fs)
- return;
-
- mlx5_fc_destroy(fs->mdev, tx_fs->tx_counter);
- mutex_destroy(&tx_fs->mutex);
- WARN_ON(tx_fs->refcnt);
- kfree(tx_fs);
- fs->tx_fs = NULL;
-}
-
-static int accel_psp_fs_init_tx(struct mlx5e_psp_fs *fs)
+static int accel_psp_fs_tx_init(struct mlx5e_psp_fs *fs)
{
struct mlx5_core_dev *mdev = fs->mdev;
- struct mlx5_flow_namespace *ns;
- struct mlx5_fc *flow_counter;
- struct mlx5e_psp_tx *tx_fs;
+ int err;
- ns = mlx5_get_flow_namespace(mdev, MLX5_FLOW_NAMESPACE_EGRESS_IPSEC);
- if (!ns)
+ fs->tx.ns = mlx5_get_flow_namespace(mdev,
+ MLX5_FLOW_NAMESPACE_EGRESS_IPSEC);
+ if (!fs->tx.ns)
return -EOPNOTSUPP;
- tx_fs = kzalloc_obj(*tx_fs);
- if (!tx_fs)
- return -ENOMEM;
-
- flow_counter = mlx5_fc_create(mdev, false);
- if (IS_ERR(flow_counter)) {
+ err = accel_psp_fs_create_counter(mdev, &fs->tx_counter);
+ if (err) {
mlx5_core_warn(mdev,
- "fail to create psp tx flow counter err=%pe\n",
- flow_counter);
- kfree(tx_fs);
- return PTR_ERR(flow_counter);
+ "fail to create psp tx flow counter err=%d\n",
+ err);
+ return err;
}
- tx_fs->tx_counter = flow_counter;
- mutex_init(&tx_fs->mutex);
- tx_fs->ns = ns;
- fs->tx_fs = tx_fs;
return 0;
}
@@ -838,32 +762,29 @@ static void
mlx5e_accel_psp_fs_get_stats_fill(struct mlx5e_priv *priv,
struct mlx5e_psp_stats *stats)
{
- struct mlx5e_psp_tx *tx_fs = priv->psp->fs->tx_fs;
+ struct mlx5e_psp_fs *fs = priv->psp->fs;
struct mlx5_core_dev *mdev = priv->mdev;
- struct mlx5e_accel_fs_psp *accel_psp;
-
- accel_psp = (struct mlx5e_accel_fs_psp *)priv->psp->fs->rx_fs;
- if (tx_fs->tx_counter)
- mlx5_fc_query(mdev, tx_fs->tx_counter, &stats->psp_tx_pkts,
+ if (fs->tx_counter)
+ mlx5_fc_query(mdev, fs->tx_counter, &stats->psp_tx_pkts,
&stats->psp_tx_bytes);
- if (accel_psp->rx_counter)
- mlx5_fc_query(mdev, accel_psp->rx_counter, &stats->psp_rx_pkts,
+ if (fs->rx_counter)
+ mlx5_fc_query(mdev, fs->rx_counter, &stats->psp_rx_pkts,
&stats->psp_rx_bytes);
- if (accel_psp->rx_auth_fail_counter)
- mlx5_fc_query(mdev, accel_psp->rx_auth_fail_counter,
+ if (fs->rx_auth_fail_counter)
+ mlx5_fc_query(mdev, fs->rx_auth_fail_counter,
&stats->psp_rx_pkts_auth_fail,
&stats->psp_rx_bytes_auth_fail);
- if (accel_psp->rx_err_counter)
- mlx5_fc_query(mdev, accel_psp->rx_err_counter,
+ if (fs->rx_err_counter)
+ mlx5_fc_query(mdev, fs->rx_err_counter,
&stats->psp_rx_pkts_frame_err,
&stats->psp_rx_bytes_frame_err);
- if (accel_psp->rx_bad_counter)
- mlx5_fc_query(mdev, accel_psp->rx_bad_counter,
+ if (fs->rx_bad_counter)
+ mlx5_fc_query(mdev, fs->rx_bad_counter,
&stats->psp_rx_pkts_drop,
&stats->psp_rx_bytes_drop);
}
@@ -873,21 +794,15 @@ void mlx5_accel_psp_fs_cleanup_tx_tables(struct mlx5e_priv *priv)
if (!priv->psp)
return;
- accel_psp_fs_tx_ft_put(priv->psp->fs);
-}
-
-int mlx5_accel_psp_fs_init_tx_tables(struct mlx5e_priv *priv)
-{
- if (!priv->psp)
- return 0;
-
- return accel_psp_fs_tx_ft_get(priv->psp->fs);
+ netdev_lock(priv->netdev);
+ accel_psp_fs_tx_ft_destroy(&priv->psp->fs->tx);
+ netdev_unlock(priv->netdev);
}
static void mlx5e_accel_psp_fs_cleanup(struct mlx5e_psp_fs *fs)
{
- accel_psp_fs_cleanup_rx(fs);
- accel_psp_fs_cleanup_tx(fs);
+ accel_psp_fs_rx_cleanup(fs);
+ accel_psp_fs_tx_cleanup(fs);
kfree(fs);
}
@@ -901,29 +816,63 @@ static struct mlx5e_psp_fs *mlx5e_accel_psp_fs_init(struct mlx5e_priv *priv)
return ERR_PTR(-ENOMEM);
fs->mdev = priv->mdev;
- err = accel_psp_fs_init_tx(fs);
+ err = accel_psp_fs_tx_init(fs);
if (err)
goto err_tx;
fs->fs = priv->fs;
- err = accel_psp_fs_init_rx(fs);
+ err = accel_psp_fs_rx_init(fs);
if (err)
goto err_rx;
return fs;
err_rx:
- accel_psp_fs_cleanup_tx(fs);
+ accel_psp_fs_tx_cleanup(fs);
err_tx:
kfree(fs);
return ERR_PTR(err);
}
+static int accel_psp_fs_create(struct mlx5e_priv *priv,
+ struct netlink_ext_ack *extack)
+{
+ int err;
+
+ err = accel_psp_fs_rx_create(priv->psp->fs, extack);
+ if (err)
+ return err;
+
+ err = accel_psp_fs_tx_ft_create(priv->psp->fs, &priv->psp->fs->tx);
+ if (err) {
+ NL_SET_ERR_MSG(extack, "Failed creating TX steering table");
+ accel_psp_fs_rx_destroy(priv->psp->fs);
+ }
+ return err;
+}
+
+static void accel_psp_fs_destroy(struct mlx5e_priv *priv)
+{
+ accel_psp_fs_tx_ft_destroy(&priv->psp->fs->tx);
+ accel_psp_fs_rx_destroy(priv->psp->fs);
+}
+
static int
mlx5e_psp_set_config(struct psp_dev *psd, struct psp_dev_config *conf,
struct netlink_ext_ack *extack)
{
- return 0; /* TODO: this should actually do things to the device */
+ struct mlx5e_priv *priv = netdev_priv(psd->main_netdev);
+ bool psp_enabled = psd->config.versions;
+ bool enable_psp = conf->versions;
+ int err = 0;
+
+ netdev_lock(priv->netdev);
+ if (!psp_enabled && enable_psp)
+ err = accel_psp_fs_create(priv, extack);
+ else if (psp_enabled && !enable_psp)
+ accel_psp_fs_destroy(priv);
+ netdev_unlock(priv->netdev);
+ return err;
}
static int
@@ -1072,21 +1021,21 @@ void mlx5e_psp_unregister(struct mlx5e_priv *priv)
{
struct mlx5e_psp *psp = priv->psp;
- if (!psp || !psp->psp)
+ if (!psp || !psp->psd)
return;
- psp_dev_unregister(psp->psp);
- psp->psp = NULL;
+ psp_dev_unregister(psp->psd);
+ psp->psd = NULL;
}
-void mlx5e_psp_register(struct mlx5e_priv *priv)
+int mlx5e_psp_register(struct mlx5e_priv *priv)
{
struct mlx5e_psp *psp = priv->psp;
struct psp_dev *psd;
/* FW Caps missing */
if (!priv->psp)
- return;
+ return 0;
psp->caps.assoc_drv_spc = sizeof(u32);
psp->caps.versions = 1 << PSP_VERSION_HDR0_AES_GCM_128;
@@ -1098,9 +1047,11 @@ void mlx5e_psp_register(struct mlx5e_priv *priv)
if (IS_ERR(psd)) {
mlx5_core_err(priv->mdev, "PSP failed to register due to %pe\n",
psd);
- return;
+ return PTR_ERR(psd);
}
- psp->psp = psd;
+ psp->psd = psd;
+
+ return 0;
}
int mlx5e_psp_init(struct mlx5e_priv *priv)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.h
index 6b62fef0d9a7..3f441e7dd55a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp.h
@@ -23,7 +23,7 @@ struct mlx5e_psp_stats {
};
struct mlx5e_psp {
- struct psp_dev *psp;
+ struct psp_dev *psd;
struct psp_dev_caps caps;
struct mlx5e_psp_fs *fs;
atomic_t tx_key_cnt;
@@ -43,33 +43,21 @@ static inline bool mlx5_is_psp_device(struct mlx5_core_dev *mdev)
return true;
}
-int mlx5_accel_psp_fs_init_rx_tables(struct mlx5e_priv *priv);
void mlx5_accel_psp_fs_cleanup_rx_tables(struct mlx5e_priv *priv);
-int mlx5_accel_psp_fs_init_tx_tables(struct mlx5e_priv *priv);
void mlx5_accel_psp_fs_cleanup_tx_tables(struct mlx5e_priv *priv);
-void mlx5e_psp_register(struct mlx5e_priv *priv);
+int mlx5e_psp_register(struct mlx5e_priv *priv);
void mlx5e_psp_unregister(struct mlx5e_priv *priv);
int mlx5e_psp_init(struct mlx5e_priv *priv);
void mlx5e_psp_cleanup(struct mlx5e_priv *priv);
#else
-static inline int mlx5_accel_psp_fs_init_rx_tables(struct mlx5e_priv *priv)
-{
- return 0;
-}
-
static inline void mlx5_accel_psp_fs_cleanup_rx_tables(struct mlx5e_priv *priv) { }
-static inline int mlx5_accel_psp_fs_init_tx_tables(struct mlx5e_priv *priv)
-{
- return 0;
-}
-
static inline void mlx5_accel_psp_fs_cleanup_tx_tables(struct mlx5e_priv *priv) { }
static inline bool mlx5_is_psp_device(struct mlx5_core_dev *mdev)
{
return false;
}
-static inline void mlx5e_psp_register(struct mlx5e_priv *priv) { }
+static inline int mlx5e_psp_register(struct mlx5e_priv *priv) { return 0; }
static inline void mlx5e_psp_unregister(struct mlx5e_priv *priv) { }
static inline int mlx5e_psp_init(struct mlx5e_priv *priv) { return 0; }
static inline void mlx5e_psp_cleanup(struct mlx5e_priv *priv) { }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp_rxtx.c
index ef7f5338540f..348fd7a96261 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp_rxtx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp_rxtx.c
@@ -14,12 +14,6 @@
#include "en_accel/psp_rxtx.h"
#include "en_accel/psp.h"
-enum {
- MLX5E_PSP_OFFLOAD_RX_SYNDROME_DECRYPTED,
- MLX5E_PSP_OFFLOAD_RX_SYNDROME_AUTH_FAILED,
- MLX5E_PSP_OFFLOAD_RX_SYNDROME_BAD_TRAILER,
-};
-
static void mlx5e_psp_set_swp(struct sk_buff *skb,
struct mlx5e_accel_tx_psp_state *psp_st,
struct mlx5_wqe_eth_seg *eseg)
@@ -122,16 +116,11 @@ out:
bool mlx5e_psp_offload_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb,
struct mlx5_cqe64 *cqe)
{
- u32 psp_meta_data = be32_to_cpu(cqe->ft_metadata);
struct mlx5e_priv *priv = netdev_priv(netdev);
- u16 dev_id = priv->psp->psp->id;
+ u16 dev_id = priv->psp->psd->id;
bool strip_icv = true;
u8 generation = 0;
- /* TBD: report errors as SW counters to ethtool, any further handling ? */
- if (MLX5_PSP_METADATA_SYNDROME(psp_meta_data) != MLX5E_PSP_OFFLOAD_RX_SYNDROME_DECRYPTED)
- goto drop;
-
if (psp_dev_rcv(skb, dev_id, generation, strip_icv))
goto drop;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp_rxtx.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp_rxtx.h
index 70289c921bd6..2b080c39cc37 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp_rxtx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/psp_rxtx.h
@@ -10,9 +10,8 @@
#include "en.h"
#include "en/txrx.h"
-/* Bit30: PSP marker, Bit29-23: PSP syndrome, Bit22-0: PSP obj id */
+/* Bit30: PSP marker, Bit22-0: PSP obj id */
#define MLX5_PSP_METADATA_MARKER(metadata) ((((metadata) >> 30) & 0x3) == 0x3)
-#define MLX5_PSP_METADATA_SYNDROME(metadata) (((metadata) >> 23) & GENMASK(6, 0))
#define MLX5_PSP_METADATA_HANDLE(metadata) ((metadata) & GENMASK(22, 0))
struct mlx5e_accel_tx_psp_state {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index c1acb9012d3f..0d8248f32fe5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -6193,7 +6193,7 @@ static int mlx5e_init_nic_tx(struct mlx5e_priv *priv)
return 0;
}
-static void mlx5e_nic_enable(struct mlx5e_priv *priv)
+static int mlx5e_nic_enable(struct mlx5e_priv *priv)
{
struct net_device *netdev = priv->netdev;
struct mlx5_core_dev *mdev = priv->mdev;
@@ -6201,7 +6201,9 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
mlx5e_fs_init_l2_addr(priv->fs, netdev);
mlx5e_ipsec_init(priv);
- mlx5e_psp_register(priv);
+ err = mlx5e_psp_register(priv);
+ if (err)
+ goto out_ipsec_cleanup;
err = mlx5e_macsec_init(priv);
if (err)
@@ -6224,7 +6226,7 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
mlx5e_pcie_cong_event_init(priv);
mlx5e_hv_vhca_stats_create(priv);
if (netdev->reg_state != NETREG_REGISTERED)
- return;
+ return 0;
mlx5e_dcbnl_init_app(priv);
mlx5e_nic_set_rx_mode(priv);
@@ -6237,6 +6239,12 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
netdev_unlock(netdev);
netif_device_attach(netdev);
rtnl_unlock();
+
+ return 0;
+
+out_ipsec_cleanup:
+ mlx5e_ipsec_cleanup(priv);
+ return err;
}
static void mlx5e_nic_disable(struct mlx5e_priv *priv)
@@ -6618,13 +6626,18 @@ int mlx5e_attach_netdev(struct mlx5e_priv *priv)
if (err)
goto err_cleanup_tx;
- if (profile->enable)
- profile->enable(priv);
+ if (profile->enable) {
+ err = profile->enable(priv);
+ if (err)
+ goto err_cleanup_rx;
+ }
mlx5e_update_features(priv->netdev);
return 0;
+err_cleanup_rx:
+ profile->cleanup_rx(priv);
err_cleanup_tx:
profile->cleanup_tx(priv);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index c8b76d301c92..603051ab1eaa 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -1262,9 +1262,11 @@ static void mlx5e_cleanup_rep_tx(struct mlx5e_priv *priv)
mlx5e_rep_neigh_cleanup(rpriv);
}
-static void mlx5e_rep_enable(struct mlx5e_priv *priv)
+static int mlx5e_rep_enable(struct mlx5e_priv *priv)
{
mlx5e_set_netdev_mtu_boundaries(priv);
+
+ return 0;
}
static void mlx5e_rep_disable(struct mlx5e_priv *priv)
@@ -1322,7 +1324,7 @@ static int uplink_rep_async_event(struct notifier_block *nb, unsigned long event
return NOTIFY_DONE;
}
-static void mlx5e_uplink_rep_enable(struct mlx5e_priv *priv)
+static int mlx5e_uplink_rep_enable(struct mlx5e_priv *priv)
{
struct net_device *netdev = priv->netdev;
struct mlx5_core_dev *mdev = priv->mdev;
@@ -1357,6 +1359,8 @@ static void mlx5e_uplink_rep_enable(struct mlx5e_priv *priv)
netdev_unlock(netdev);
netif_device_attach(netdev);
rtnl_unlock();
+
+ return 0;
}
static void mlx5e_uplink_rep_disable(struct mlx5e_priv *priv)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 6fbc0441c4b8..04af54b704d8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -1081,7 +1081,7 @@ static void mlx5e_shampo_update_ipv4_udp_hdr(struct mlx5e_rq *rq, struct iphdr *
struct udphdr *uh;
uh = (struct udphdr *)(skb->data + udp_off);
- uh->len = htons(skb->len - udp_off);
+ udp_set_len_short(uh, skb->len - udp_off);
if (uh->check)
uh->check = ~udp_v4_check(skb->len - udp_off, ipv4->saddr,
@@ -1100,7 +1100,7 @@ static void mlx5e_shampo_update_ipv6_udp_hdr(struct mlx5e_rq *rq, struct ipv6hdr
struct udphdr *uh;
uh = (struct udphdr *)(skb->data + udp_off);
- uh->len = htons(skb->len - udp_off);
+ udp_set_len_short(uh, skb->len - udp_off);
if (uh->check)
uh->check = ~udp_v6_check(skb->len - udp_off, &ipv6->saddr,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
index accc26d1a872..1dcdb86690bb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
@@ -113,7 +113,7 @@ static struct sk_buff *mlx5e_test_get_udp_skb(struct mlx5e_priv *priv)
/* Fill UDP header */
udph->source = htons(9);
udph->dest = htons(9); /* Discard Protocol */
- udph->len = htons(sizeof(struct mlx5ehdr) + sizeof(struct udphdr));
+ udp_set_len_short(udph, sizeof(struct mlx5ehdr) + sizeof(struct udphdr));
udph->check = 0;
/* Fill IP header */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
index 6e50311faa27..36b00a856bc2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
@@ -74,7 +74,7 @@ static void mlx5_esw_offloads_pf_vf_devlink_port_attrs_set(struct mlx5_eswitch *
memcpy(dl_port->attrs.switch_id.id, ppid.id, ppid.id_len);
dl_port->attrs.switch_id.id_len = ppid.id_len;
devlink_port_attrs_pci_pf_set(dl_port, controller_num, pfnum,
- true);
+ false);
}
}
@@ -134,13 +134,16 @@ static void mlx5_esw_offloads_sf_devlink_port_attrs_set(struct mlx5_eswitch *esw
{
struct mlx5_core_dev *dev = esw->dev;
struct netdev_phys_item_id ppid = {};
+ u32 hpf_ctrl;
u16 pfnum;
pfnum = mlx5_esw_sf_controller_to_pfnum(dev, controller);
+ hpf_ctrl = mlx5_esw_get_hpf_host_number(dev) + 1;
mlx5_esw_get_port_parent_id(dev, &ppid);
memcpy(dl_port->attrs.switch_id.id, &ppid.id[0], ppid.id_len);
dl_port->attrs.switch_id.id_len = ppid.id_len;
- devlink_port_attrs_pci_sf_set(dl_port, controller, pfnum, sfnum, !!controller);
+ devlink_port_attrs_pci_sf_set(dl_port, controller, pfnum, sfnum,
+ controller == hpf_ctrl);
}
int mlx5_esw_offloads_sf_devlink_port_init(struct mlx5_eswitch *esw, struct mlx5_vport *vport,
@@ -268,7 +271,6 @@ void mlx5_esw_offloads_devlink_port_unregister(struct mlx5_vport *vport)
dl_port = vport->dl_port;
mlx5_esw_devlink_port_res_unregister(&dl_port->dl_port);
- mlx5_esw_qos_vport_update_parent(vport, NULL, NULL);
devl_rate_leaf_destroy(&dl_port->dl_port);
devl_port_unregister(&dl_port->dl_port);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
index faccc60fc93a..0d20f51b9702 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
@@ -11,57 +11,8 @@
/* Minimum supported BW share value by the HW is 1 Mbit/sec */
#define MLX5_MIN_BW_SHARE 1
-/* Holds rate nodes associated with an E-Switch. */
-struct mlx5_qos_domain {
- /* Serializes access to all qos changes in the qos domain. */
- struct mutex lock;
- /* List of all mlx5_esw_sched_nodes. */
- struct list_head nodes;
-};
-
-static void esw_qos_lock(struct mlx5_eswitch *esw)
-{
- mutex_lock(&esw->qos.domain->lock);
-}
-
-static void esw_qos_unlock(struct mlx5_eswitch *esw)
-{
- mutex_unlock(&esw->qos.domain->lock);
-}
-
-static void esw_assert_qos_lock_held(struct mlx5_eswitch *esw)
-{
- lockdep_assert_held(&esw->qos.domain->lock);
-}
-
-static struct mlx5_qos_domain *esw_qos_domain_alloc(void)
-{
- struct mlx5_qos_domain *qos_domain;
-
- qos_domain = kzalloc_obj(*qos_domain);
- if (!qos_domain)
- return NULL;
-
- mutex_init(&qos_domain->lock);
- INIT_LIST_HEAD(&qos_domain->nodes);
-
- return qos_domain;
-}
-
-static int esw_qos_domain_init(struct mlx5_eswitch *esw)
-{
- esw->qos.domain = esw_qos_domain_alloc();
-
- return esw->qos.domain ? 0 : -ENOMEM;
-}
-
-static void esw_qos_domain_release(struct mlx5_eswitch *esw)
-{
- kfree(esw->qos.domain);
- esw->qos.domain = NULL;
-}
-
enum sched_node_type {
+ SCHED_NODE_TYPE_ROOT,
SCHED_NODE_TYPE_VPORTS_TSAR,
SCHED_NODE_TYPE_VPORT,
SCHED_NODE_TYPE_TC_ARBITER_TSAR,
@@ -94,7 +45,9 @@ struct mlx5_esw_sched_node {
enum sched_node_type type;
/* The eswitch this node belongs to. */
struct mlx5_eswitch *esw;
- /* The children nodes of this node, empty list for leaf nodes. */
+ /* The children nodes of this node, empty list for leaf nodes.
+ * Can be from multiple E-Switches.
+ */
struct list_head children;
/* Valid only if this node is associated with a vport. */
struct mlx5_vport *vport;
@@ -106,16 +59,63 @@ struct mlx5_esw_sched_node {
u32 tc_bw[DEVLINK_RATE_TCS_MAX];
};
-static void esw_qos_node_attach_to_parent(struct mlx5_esw_sched_node *node)
+/* Locking notes:
+ * QoS changes are normally protected by the shd lock. But on older HW shd
+ * might not be created at all, so there needs to be a fallback serialization
+ * mechanism. This is esw->state_lock.
+ * Callers into QoS hold a combination of RTNL, devlink instance lock and
+ * esw->state_lock. Devlink rate ops additionally hold the shd lock if it
+ * exists.
+ * - VF rate ops use esw_qos_lock/esw_qos_unlock.
+ * - callers with esw->state_lock held use esw_qos_shd_lock/esw_qos_shd_unlock.
+ * - devlink callers use esw_qos_devlink_lock/esw_qos_devlink_unlock.
+ */
+static void esw_assert_qos_lock_held(struct mlx5_core_dev *dev)
{
- if (!node->parent) {
- /* Root children are assigned a depth level of 2. */
- node->level = 2;
- list_add_tail(&node->entry, &node->esw->qos.domain->nodes);
- } else {
- node->level = node->parent->level + 1;
- list_add_tail(&node->entry, &node->parent->children);
- }
+ if (dev->shd)
+ devl_assert_locked(dev->shd);
+ else
+ lockdep_assert_held(&dev->priv.eswitch->state_lock);
+}
+
+static void esw_qos_lock(struct mlx5_core_dev *dev)
+{
+ if (dev->shd)
+ devl_lock(dev->shd);
+ else
+ mutex_lock(&dev->priv.eswitch->state_lock);
+}
+
+static void esw_qos_unlock(struct mlx5_core_dev *dev)
+{
+ if (dev->shd)
+ devl_unlock(dev->shd);
+ else
+ mutex_unlock(&dev->priv.eswitch->state_lock);
+}
+
+static void esw_qos_shd_lock(struct mlx5_core_dev *dev)
+{
+ if (dev->shd)
+ devl_lock(dev->shd);
+}
+
+static void esw_qos_shd_unlock(struct mlx5_core_dev *dev)
+{
+ if (dev->shd)
+ devl_unlock(dev->shd);
+}
+
+static void esw_qos_devlink_lock(struct mlx5_core_dev *dev)
+{
+ if (!dev->shd)
+ mutex_lock(&dev->priv.eswitch->state_lock);
+}
+
+static void esw_qos_devlink_unlock(struct mlx5_core_dev *dev)
+{
+ if (!dev->shd)
+ mutex_unlock(&dev->priv.eswitch->state_lock);
}
static int esw_qos_num_tcs(struct mlx5_core_dev *dev)
@@ -125,14 +125,14 @@ static int esw_qos_num_tcs(struct mlx5_core_dev *dev)
return num_tcs < DEVLINK_RATE_TCS_MAX ? num_tcs : DEVLINK_RATE_TCS_MAX;
}
-static void
-esw_qos_node_set_parent(struct mlx5_esw_sched_node *node, struct mlx5_esw_sched_node *parent)
+static void esw_qos_node_set_parent(struct mlx5_esw_sched_node *node,
+ struct mlx5_esw_sched_node *parent)
{
- list_del_init(&node->entry);
node->parent = parent;
- if (parent)
- node->esw = parent->esw;
- esw_qos_node_attach_to_parent(node);
+ node->esw = parent->esw;
+ node->level = parent->level + 1;
+ list_del(&node->entry);
+ list_add_tail(&node->entry, &parent->children);
}
static void esw_qos_nodes_set_parent(struct list_head *nodes,
@@ -321,22 +321,19 @@ static int esw_qos_create_rate_limit_element(struct mlx5_esw_sched_node *node,
return esw_qos_node_create_sched_element(node, sched_ctx, extack);
}
-static u32 esw_qos_calculate_min_rate_divider(struct mlx5_eswitch *esw,
- struct mlx5_esw_sched_node *parent)
+static u32
+esw_qos_calculate_min_rate_divider(struct mlx5_esw_sched_node *parent)
{
- struct list_head *nodes = parent ? &parent->children : &esw->qos.domain->nodes;
- u32 fw_max_bw_share = MLX5_CAP_QOS(esw->dev, max_tsar_bw_share);
+ u32 fw_max_bw_share = MLX5_CAP_QOS(parent->esw->dev, max_tsar_bw_share);
struct mlx5_esw_sched_node *node;
u32 max_guarantee = 0;
/* Find max min_rate across all nodes.
* This will correspond to fw_max_bw_share in the final bw_share calculation.
*/
- list_for_each_entry(node, nodes, entry) {
- if (node->esw == esw && node->ix != esw->qos.root_tsar_ix &&
- node->min_rate > max_guarantee)
+ list_for_each_entry(node, &parent->children, entry)
+ if (node->min_rate > max_guarantee)
max_guarantee = node->min_rate;
- }
if (max_guarantee)
return max_t(u32, max_guarantee / fw_max_bw_share, 1);
@@ -368,18 +365,13 @@ static void esw_qos_update_sched_node_bw_share(struct mlx5_esw_sched_node *node,
esw_qos_sched_elem_config(node, node->max_rate, bw_share, extack);
}
-static void esw_qos_normalize_min_rate(struct mlx5_eswitch *esw,
- struct mlx5_esw_sched_node *parent,
+static void esw_qos_normalize_min_rate(struct mlx5_esw_sched_node *parent,
struct netlink_ext_ack *extack)
{
- struct list_head *nodes = parent ? &parent->children : &esw->qos.domain->nodes;
- u32 divider = esw_qos_calculate_min_rate_divider(esw, parent);
+ u32 divider = esw_qos_calculate_min_rate_divider(parent);
struct mlx5_esw_sched_node *node;
- list_for_each_entry(node, nodes, entry) {
- if (node->esw != esw || node->ix == esw->qos.root_tsar_ix)
- continue;
-
+ list_for_each_entry(node, &parent->children, entry) {
/* Vports TC TSARs don't have a minimum rate configured,
* so there's no need to update the bw_share on them.
*/
@@ -391,7 +383,7 @@ static void esw_qos_normalize_min_rate(struct mlx5_eswitch *esw,
if (list_empty(&node->children))
continue;
- esw_qos_normalize_min_rate(node->esw, node, extack);
+ esw_qos_normalize_min_rate(node, extack);
}
}
@@ -412,14 +404,11 @@ static u32 esw_qos_calculate_tc_bw_divider(u32 *tc_bw)
static int esw_qos_set_node_min_rate(struct mlx5_esw_sched_node *node,
u32 min_rate, struct netlink_ext_ack *extack)
{
- struct mlx5_eswitch *esw = node->esw;
-
if (min_rate == node->min_rate)
return 0;
node->min_rate = min_rate;
- esw_qos_normalize_min_rate(esw, node->parent, extack);
-
+ esw_qos_normalize_min_rate(node->parent, extack);
return 0;
}
@@ -460,6 +449,7 @@ esw_qos_vport_create_sched_element(struct mlx5_esw_sched_node *vport_node,
struct mlx5_esw_sched_node *parent = vport_node->parent;
u32 sched_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {};
struct mlx5_core_dev *dev = vport_node->esw->dev;
+ struct mlx5_vport *vport = vport_node->vport;
void *attr;
if (!mlx5_qos_element_type_supported(
@@ -471,11 +461,17 @@ esw_qos_vport_create_sched_element(struct mlx5_esw_sched_node *vport_node,
MLX5_SET(scheduling_context, sched_ctx, element_type,
SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT);
attr = MLX5_ADDR_OF(scheduling_context, sched_ctx, element_attributes);
- MLX5_SET(vport_element, attr, vport_number, vport_node->vport->vport);
- MLX5_SET(scheduling_context, sched_ctx, parent_element_id,
- parent ? parent->ix : vport_node->esw->qos.root_tsar_ix);
+ MLX5_SET(vport_element, attr, vport_number, vport->vport);
+ MLX5_SET(scheduling_context, sched_ctx, parent_element_id, parent->ix);
MLX5_SET(scheduling_context, sched_ctx, max_average_bw,
vport_node->max_rate);
+ if (vport->dev != dev) {
+ /* The port is assigned to a node on another eswitch. */
+ MLX5_SET(vport_element, attr, eswitch_owner_vhca_id_valid,
+ true);
+ MLX5_SET(vport_element, attr, eswitch_owner_vhca_id,
+ MLX5_CAP_GEN(vport->dev, vhca_id));
+ }
return esw_qos_node_create_sched_element(vport_node, sched_ctx, extack);
}
@@ -487,6 +483,7 @@ esw_qos_vport_tc_create_sched_element(struct mlx5_esw_sched_node *vport_tc_node,
{
u32 sched_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {};
struct mlx5_core_dev *dev = vport_tc_node->esw->dev;
+ struct mlx5_vport *vport = vport_tc_node->vport;
void *attr;
if (!mlx5_qos_element_type_supported(
@@ -498,8 +495,7 @@ esw_qos_vport_tc_create_sched_element(struct mlx5_esw_sched_node *vport_tc_node,
MLX5_SET(scheduling_context, sched_ctx, element_type,
SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT_TC);
attr = MLX5_ADDR_OF(scheduling_context, sched_ctx, element_attributes);
- MLX5_SET(vport_tc_element, attr, vport_number,
- vport_tc_node->vport->vport);
+ MLX5_SET(vport_tc_element, attr, vport_number, vport->vport);
MLX5_SET(vport_tc_element, attr, traffic_class, vport_tc_node->tc);
MLX5_SET(scheduling_context, sched_ctx, max_bw_obj_id,
rate_limit_elem_ix);
@@ -507,13 +503,20 @@ esw_qos_vport_tc_create_sched_element(struct mlx5_esw_sched_node *vport_tc_node,
vport_tc_node->parent->ix);
MLX5_SET(scheduling_context, sched_ctx, bw_share,
vport_tc_node->bw_share);
+ if (vport->dev != dev) {
+ /* The port is assigned to a node on another eswitch. */
+ MLX5_SET(vport_tc_element, attr, eswitch_owner_vhca_id_valid,
+ true);
+ MLX5_SET(vport_tc_element, attr, eswitch_owner_vhca_id,
+ MLX5_CAP_GEN(vport->dev, vhca_id));
+ }
return esw_qos_node_create_sched_element(vport_tc_node, sched_ctx,
extack);
}
static struct mlx5_esw_sched_node *
-__esw_qos_alloc_node(struct mlx5_eswitch *esw, u32 tsar_ix, enum sched_node_type type,
+__esw_qos_alloc_node(u32 tsar_ix, enum sched_node_type type,
struct mlx5_esw_sched_node *parent)
{
struct mlx5_esw_sched_node *node;
@@ -522,20 +525,12 @@ __esw_qos_alloc_node(struct mlx5_eswitch *esw, u32 tsar_ix, enum sched_node_type
if (!node)
return NULL;
- node->esw = esw;
node->ix = tsar_ix;
node->type = type;
- node->parent = parent;
INIT_LIST_HEAD(&node->children);
- esw_qos_node_attach_to_parent(node);
- if (!parent) {
- /* The caller is responsible for inserting the node into the
- * parent list if necessary. This function can also be used with
- * a NULL parent, which doesn't necessarily indicate that it
- * refers to the root scheduling element.
- */
- list_del_init(&node->entry);
- }
+ INIT_LIST_HEAD(&node->entry);
+ if (parent)
+ esw_qos_node_set_parent(node, parent);
return node;
}
@@ -570,7 +565,7 @@ static int esw_qos_create_vports_tc_node(struct mlx5_esw_sched_node *parent,
SCHEDULING_HIERARCHY_E_SWITCH))
return -EOPNOTSUPP;
- vports_tc_node = __esw_qos_alloc_node(parent->esw, 0,
+ vports_tc_node = __esw_qos_alloc_node(0,
SCHED_NODE_TYPE_VPORTS_TC_TSAR,
parent);
if (!vports_tc_node) {
@@ -665,7 +660,6 @@ static int esw_qos_create_tc_arbiter_sched_elem(
struct netlink_ext_ack *extack)
{
u32 tsar_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {};
- u32 tsar_parent_ix;
void *attr;
if (!mlx5_qos_tsar_type_supported(tc_arbiter_node->esw->dev,
@@ -678,10 +672,8 @@ static int esw_qos_create_tc_arbiter_sched_elem(
attr = MLX5_ADDR_OF(scheduling_context, tsar_ctx, element_attributes);
MLX5_SET(tsar_element, attr, tsar_type, TSAR_ELEMENT_TSAR_TYPE_TC_ARB);
- tsar_parent_ix = tc_arbiter_node->parent ? tc_arbiter_node->parent->ix :
- tc_arbiter_node->esw->qos.root_tsar_ix;
MLX5_SET(scheduling_context, tsar_ctx, parent_element_id,
- tsar_parent_ix);
+ tc_arbiter_node->parent->ix);
MLX5_SET(scheduling_context, tsar_ctx, element_type,
SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR);
MLX5_SET(scheduling_context, tsar_ctx, max_average_bw,
@@ -694,37 +686,36 @@ static int esw_qos_create_tc_arbiter_sched_elem(
}
static struct mlx5_esw_sched_node *
-__esw_qos_create_vports_sched_node(struct mlx5_eswitch *esw, struct mlx5_esw_sched_node *parent,
+__esw_qos_create_vports_sched_node(struct mlx5_esw_sched_node *parent,
struct netlink_ext_ack *extack)
{
struct mlx5_esw_sched_node *node;
- u32 tsar_ix;
int err;
+ u32 ix;
- err = esw_qos_create_node_sched_elem(esw->dev, esw->qos.root_tsar_ix, 0,
- 0, &tsar_ix);
+ err = esw_qos_create_node_sched_elem(parent->esw->dev, parent->ix, 0, 0,
+ &ix);
if (err) {
NL_SET_ERR_MSG_MOD(extack, "E-Switch create TSAR for node failed");
return ERR_PTR(err);
}
- node = __esw_qos_alloc_node(esw, tsar_ix, SCHED_NODE_TYPE_VPORTS_TSAR, parent);
+ node = __esw_qos_alloc_node(ix, SCHED_NODE_TYPE_VPORTS_TSAR, parent);
if (!node) {
NL_SET_ERR_MSG_MOD(extack, "E-Switch alloc node failed");
err = -ENOMEM;
goto err_alloc_node;
}
- list_add_tail(&node->entry, &esw->qos.domain->nodes);
- esw_qos_normalize_min_rate(esw, NULL, extack);
- trace_mlx5_esw_node_qos_create(esw->dev, node, node->ix);
+ esw_qos_normalize_min_rate(parent, extack);
+ trace_mlx5_esw_node_qos_create(parent->esw->dev, node, node->ix);
return node;
err_alloc_node:
- if (mlx5_destroy_scheduling_element_cmd(esw->dev,
+ if (mlx5_destroy_scheduling_element_cmd(parent->esw->dev,
SCHEDULING_HIERARCHY_E_SWITCH,
- tsar_ix))
+ ix))
NL_SET_ERR_MSG_MOD(extack, "E-Switch destroy TSAR for node failed");
return ERR_PTR(err);
}
@@ -738,7 +729,7 @@ esw_qos_create_vports_sched_node(struct mlx5_eswitch *esw, struct netlink_ext_ac
struct mlx5_esw_sched_node *node;
int err;
- esw_assert_qos_lock_held(esw);
+ esw_assert_qos_lock_held(esw->dev);
if (!MLX5_CAP_QOS(esw->dev, log_esw_max_sched_depth))
return ERR_PTR(-EOPNOTSUPP);
@@ -746,7 +737,7 @@ esw_qos_create_vports_sched_node(struct mlx5_eswitch *esw, struct netlink_ext_ac
if (err)
return ERR_PTR(err);
- node = __esw_qos_create_vports_sched_node(esw, NULL, extack);
+ node = __esw_qos_create_vports_sched_node(esw->qos.root, extack);
if (IS_ERR(node))
esw_qos_put(esw);
@@ -762,45 +753,54 @@ static void __esw_qos_destroy_node(struct mlx5_esw_sched_node *node, struct netl
trace_mlx5_esw_node_qos_destroy(esw->dev, node, node->ix);
esw_qos_destroy_node(node, extack);
- esw_qos_normalize_min_rate(esw, NULL, extack);
+ esw_qos_normalize_min_rate(esw->qos.root, extack);
}
static int esw_qos_create(struct mlx5_eswitch *esw, struct netlink_ext_ack *extack)
{
struct mlx5_core_dev *dev = esw->dev;
+ struct mlx5_esw_sched_node *root;
+ u32 root_ix;
int err;
if (!MLX5_CAP_GEN(dev, qos) || !MLX5_CAP_QOS(dev, esw_scheduling))
return -EOPNOTSUPP;
- err = esw_qos_create_node_sched_elem(esw->dev, 0, 0, 0,
- &esw->qos.root_tsar_ix);
+ err = esw_qos_create_node_sched_elem(esw->dev, 0, 0, 0, &root_ix);
if (err) {
esw_warn(dev, "E-Switch create root TSAR failed (%d)\n", err);
return err;
}
+ root = __esw_qos_alloc_node(root_ix, SCHED_NODE_TYPE_ROOT, NULL);
+ if (!root) {
+ esw_warn(dev, "E-Switch create root node failed\n");
+ err = -ENOMEM;
+ goto out_err;
+ }
+ root->esw = esw;
+ root->level = 1;
+ esw->qos.root = root;
refcount_set(&esw->qos.refcnt, 1);
return 0;
+out_err:
+ mlx5_destroy_scheduling_element_cmd(dev, SCHEDULING_HIERARCHY_E_SWITCH,
+ root_ix);
+ return err;
}
static void esw_qos_destroy(struct mlx5_eswitch *esw)
{
- int err;
-
- err = mlx5_destroy_scheduling_element_cmd(esw->dev,
- SCHEDULING_HIERARCHY_E_SWITCH,
- esw->qos.root_tsar_ix);
- if (err)
- esw_warn(esw->dev, "E-Switch destroy root TSAR failed (%d)\n", err);
+ esw_qos_destroy_node(esw->qos.root, NULL);
+ esw->qos.root = NULL;
}
static int esw_qos_get(struct mlx5_eswitch *esw, struct netlink_ext_ack *extack)
{
int err = 0;
- esw_assert_qos_lock_held(esw);
+ esw_assert_qos_lock_held(esw->dev);
if (!refcount_inc_not_zero(&esw->qos.refcnt)) {
/* esw_qos_create() set refcount to 1 only on success.
* No need to decrement on failure.
@@ -813,7 +813,7 @@ static int esw_qos_get(struct mlx5_eswitch *esw, struct netlink_ext_ack *extack)
static void esw_qos_put(struct mlx5_eswitch *esw)
{
- esw_assert_qos_lock_held(esw);
+ esw_assert_qos_lock_held(esw->dev);
if (refcount_dec_and_test(&esw->qos.refcnt))
esw_qos_destroy(esw);
}
@@ -866,8 +866,7 @@ esw_qos_create_vport_tc_sched_node(struct mlx5_vport *vport,
u8 tc = vports_tc_node->tc;
int err;
- vport_tc_node = __esw_qos_alloc_node(vport_node->esw, 0,
- SCHED_NODE_TYPE_VPORT_TC,
+ vport_tc_node = __esw_qos_alloc_node(0, SCHED_NODE_TYPE_VPORT_TC,
vports_tc_node);
if (!vport_tc_node)
return -ENOMEM;
@@ -959,7 +958,7 @@ esw_qos_vport_tc_enable(struct mlx5_vport *vport, enum sched_node_type type,
/* Increase the parent's level by 2 to account for both the
* TC arbiter and the vports TC scheduling element.
*/
- new_level = (parent ? parent->level : 2) + 2;
+ new_level = parent->level + 2;
max_level = 1 << MLX5_CAP_QOS(vport_node->esw->dev,
log_esw_max_sched_depth);
if (new_level > max_level) {
@@ -970,7 +969,7 @@ esw_qos_vport_tc_enable(struct mlx5_vport *vport, enum sched_node_type type,
}
}
- esw_assert_qos_lock_held(vport->dev->priv.eswitch);
+ esw_assert_qos_lock_held(vport->dev);
if (type == SCHED_NODE_TYPE_RATE_LIMITER)
err = esw_qos_create_rate_limit_element(vport_node, extack);
@@ -997,7 +996,7 @@ esw_qos_vport_tc_enable(struct mlx5_vport *vport, enum sched_node_type type,
err_sched_nodes:
if (type == SCHED_NODE_TYPE_RATE_LIMITER) {
esw_qos_node_destroy_sched_element(vport_node, NULL);
- esw_qos_node_attach_to_parent(vport_node);
+ esw_qos_node_set_parent(vport_node, vport_node->parent);
} else {
esw_qos_tc_arbiter_scheduling_teardown(vport_node, NULL);
}
@@ -1055,7 +1054,7 @@ static void esw_qos_vport_disable(struct mlx5_vport *vport, struct netlink_ext_a
vport_node->bw_share = 0;
memset(vport_node->tc_bw, 0, sizeof(vport_node->tc_bw));
list_del_init(&vport_node->entry);
- esw_qos_normalize_min_rate(vport_node->esw, vport_node->parent, extack);
+ esw_qos_normalize_min_rate(vport_node->parent, extack);
trace_mlx5_esw_vport_qos_destroy(vport_node->esw->dev, vport);
}
@@ -1068,7 +1067,7 @@ static int esw_qos_vport_enable(struct mlx5_vport *vport,
struct mlx5_esw_sched_node *vport_node = vport->qos.sched_node;
int err;
- esw_assert_qos_lock_held(vport->dev->priv.eswitch);
+ esw_assert_qos_lock_held(vport->dev);
esw_qos_node_set_parent(vport_node, parent);
if (type == SCHED_NODE_TYPE_VPORT)
@@ -1079,9 +1078,10 @@ static int esw_qos_vport_enable(struct mlx5_vport *vport,
return err;
vport_node->type = type;
- esw_qos_normalize_min_rate(vport_node->esw, parent, extack);
- trace_mlx5_esw_vport_qos_create(vport->dev, vport, vport_node->max_rate,
- vport_node->bw_share);
+ esw_qos_normalize_min_rate(parent, extack);
+ trace_mlx5_esw_vport_qos_create(vport_node->esw->dev, vport,
+ vport_node->bw_share,
+ vport_node->max_rate);
return 0;
}
@@ -1092,22 +1092,20 @@ static int mlx5_esw_qos_vport_enable(struct mlx5_vport *vport, enum sched_node_t
{
struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
struct mlx5_esw_sched_node *sched_node;
- struct mlx5_eswitch *parent_esw;
int err;
- esw_assert_qos_lock_held(esw);
+ esw_assert_qos_lock_held(vport->dev);
err = esw_qos_get(esw, extack);
if (err)
return err;
- parent_esw = parent ? parent->esw : esw;
- sched_node = __esw_qos_alloc_node(parent_esw, 0, type, parent);
+ if (!parent)
+ parent = esw->qos.root;
+ sched_node = __esw_qos_alloc_node(0, type, parent);
if (!sched_node) {
esw_qos_put(esw);
return -ENOMEM;
}
- if (!parent)
- list_add_tail(&sched_node->entry, &esw->qos.domain->nodes);
sched_node->max_rate = max_rate;
sched_node->min_rate = min_rate;
@@ -1125,33 +1123,23 @@ static int mlx5_esw_qos_vport_enable(struct mlx5_vport *vport, enum sched_node_t
static void mlx5_esw_qos_vport_disable_locked(struct mlx5_vport *vport)
{
- struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
-
- esw_assert_qos_lock_held(esw);
+ esw_assert_qos_lock_held(vport->dev);
if (!vport->qos.sched_node)
return;
esw_qos_vport_disable(vport, NULL);
mlx5_esw_qos_vport_qos_free(vport);
- esw_qos_put(esw);
+ esw_qos_put(vport->dev->priv.eswitch);
}
void mlx5_esw_qos_vport_disable(struct mlx5_vport *vport)
{
struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
- struct mlx5_esw_sched_node *parent;
lockdep_assert_held(&esw->state_lock);
- esw_qos_lock(esw);
- if (!vport->qos.sched_node)
- goto unlock;
-
- parent = vport->qos.sched_node->parent;
- WARN(parent, "Disabling QoS on port before detaching it from node");
-
+ esw_qos_shd_lock(vport->dev);
mlx5_esw_qos_vport_disable_locked(vport);
-unlock:
- esw_qos_unlock(esw);
+ esw_qos_shd_unlock(vport->dev);
}
static int mlx5_esw_qos_set_vport_max_rate(struct mlx5_vport *vport, u32 max_rate,
@@ -1159,7 +1147,7 @@ static int mlx5_esw_qos_set_vport_max_rate(struct mlx5_vport *vport, u32 max_rat
{
struct mlx5_esw_sched_node *vport_node = vport->qos.sched_node;
- esw_assert_qos_lock_held(vport->dev->priv.eswitch);
+ esw_assert_qos_lock_held(vport->dev);
if (!vport_node)
return mlx5_esw_qos_vport_enable(vport, SCHED_NODE_TYPE_VPORT, NULL, max_rate, 0,
@@ -1174,7 +1162,7 @@ static int mlx5_esw_qos_set_vport_min_rate(struct mlx5_vport *vport, u32 min_rat
{
struct mlx5_esw_sched_node *vport_node = vport->qos.sched_node;
- esw_assert_qos_lock_held(vport->dev->priv.eswitch);
+ esw_assert_qos_lock_held(vport->dev);
if (!vport_node)
return mlx5_esw_qos_vport_enable(vport, SCHED_NODE_TYPE_VPORT, NULL, 0, min_rate,
@@ -1187,29 +1175,27 @@ static int mlx5_esw_qos_set_vport_min_rate(struct mlx5_vport *vport, u32 min_rat
int mlx5_esw_qos_set_vport_rate(struct mlx5_vport *vport, u32 max_rate, u32 min_rate)
{
- struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
int err;
- esw_qos_lock(esw);
+ esw_qos_lock(vport->dev);
err = mlx5_esw_qos_set_vport_min_rate(vport, min_rate, NULL);
if (!err)
err = mlx5_esw_qos_set_vport_max_rate(vport, max_rate, NULL);
- esw_qos_unlock(esw);
+ esw_qos_unlock(vport->dev);
return err;
}
bool mlx5_esw_qos_get_vport_rate(struct mlx5_vport *vport, u32 *max_rate, u32 *min_rate)
{
- struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
bool enabled;
- esw_qos_lock(esw);
+ esw_qos_shd_lock(vport->dev);
enabled = !!vport->qos.sched_node;
if (enabled) {
*max_rate = vport->qos.sched_node->max_rate;
*min_rate = vport->qos.sched_node->min_rate;
}
- esw_qos_unlock(esw);
+ esw_qos_shd_unlock(vport->dev);
return enabled;
}
@@ -1234,6 +1220,28 @@ static int esw_qos_vport_tc_check_type(enum sched_node_type curr_type,
return 0;
}
+static bool esw_qos_validate_unsupported_tc_bw(struct mlx5_eswitch *esw,
+ u32 *tc_bw)
+{
+ int i, num_tcs = esw_qos_num_tcs(esw->dev);
+
+ for (i = num_tcs; i < DEVLINK_RATE_TCS_MAX; i++)
+ if (tc_bw[i])
+ return false;
+
+ return true;
+}
+
+static bool esw_qos_vport_validate_unsupported_tc_bw(struct mlx5_vport *vport,
+ u32 *tc_bw)
+{
+ struct mlx5_esw_sched_node *node = vport->qos.sched_node;
+ struct mlx5_eswitch *esw = node ?
+ node->parent->esw : vport->dev->priv.eswitch;
+
+ return esw_qos_validate_unsupported_tc_bw(esw, tc_bw);
+}
+
static int esw_qos_vport_update(struct mlx5_vport *vport,
enum sched_node_type type,
struct mlx5_esw_sched_node *parent,
@@ -1245,7 +1253,7 @@ static int esw_qos_vport_update(struct mlx5_vport *vport,
u32 curr_tc_bw[DEVLINK_RATE_TCS_MAX] = {0};
int err;
- esw_assert_qos_lock_held(vport->dev->priv.eswitch);
+ esw_assert_qos_lock_held(vport->dev);
if (curr_type == type && curr_parent == parent)
return 0;
@@ -1253,8 +1261,15 @@ static int esw_qos_vport_update(struct mlx5_vport *vport,
if (err)
return err;
- if (curr_type == SCHED_NODE_TYPE_TC_ARBITER_TSAR && curr_type == type)
+ if (curr_type == SCHED_NODE_TYPE_TC_ARBITER_TSAR && curr_type == type) {
esw_qos_tc_arbiter_get_bw_shares(vport_node, curr_tc_bw);
+ if (!esw_qos_validate_unsupported_tc_bw(parent->esw,
+ curr_tc_bw)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Unsupported traffic classes on the new device");
+ return -EOPNOTSUPP;
+ }
+ }
esw_qos_vport_disable(vport, extack);
@@ -1275,11 +1290,10 @@ static int esw_qos_vport_update(struct mlx5_vport *vport,
static int esw_qos_vport_update_parent(struct mlx5_vport *vport, struct mlx5_esw_sched_node *parent,
struct netlink_ext_ack *extack)
{
- struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
struct mlx5_esw_sched_node *curr_parent;
enum sched_node_type type;
- esw_assert_qos_lock_held(esw);
+ esw_assert_qos_lock_held(vport->dev);
curr_parent = vport->qos.sched_node->parent;
if (curr_parent == parent)
return 0;
@@ -1287,10 +1301,9 @@ static int esw_qos_vport_update_parent(struct mlx5_vport *vport, struct mlx5_esw
/* Set vport QoS type based on parent node type if different from
* default QoS; otherwise, use the vport's current QoS type.
*/
- if (parent && parent->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR)
+ if (parent->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR)
type = SCHED_NODE_TYPE_RATE_LIMITER;
- else if (curr_parent &&
- curr_parent->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR)
+ else if (curr_parent->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR)
type = SCHED_NODE_TYPE_VPORT;
else
type = vport->qos.sched_node->type;
@@ -1319,11 +1332,9 @@ static int esw_qos_switch_tc_arbiter_node_to_vports(
struct mlx5_esw_sched_node *node,
struct netlink_ext_ack *extack)
{
- u32 parent_tsar_ix = node->parent ?
- node->parent->ix : node->esw->qos.root_tsar_ix;
int err;
- err = esw_qos_create_node_sched_elem(node->esw->dev, parent_tsar_ix,
+ err = esw_qos_create_node_sched_elem(node->esw->dev, node->parent->ix,
node->max_rate, node->bw_share,
&node->ix);
if (err) {
@@ -1378,8 +1389,8 @@ esw_qos_move_node(struct mlx5_esw_sched_node *curr_node)
{
struct mlx5_esw_sched_node *new_node;
- new_node = __esw_qos_alloc_node(curr_node->esw, curr_node->ix,
- curr_node->type, NULL);
+ new_node = __esw_qos_alloc_node(curr_node->ix, curr_node->type,
+ curr_node->parent);
if (!new_node)
return ERR_PTR(-ENOMEM);
@@ -1489,41 +1500,16 @@ out:
return err;
}
-static u32 mlx5_esw_qos_lag_link_speed_get(struct mlx5_core_dev *mdev,
- bool take_rtnl)
-{
- struct ethtool_link_ksettings lksettings;
- struct net_device *slave, *master;
- u32 speed = SPEED_UNKNOWN;
-
- slave = mlx5_uplink_netdev_get(mdev);
- if (!slave)
- goto out;
-
- if (take_rtnl)
- rtnl_lock();
- master = netdev_master_upper_dev_get(slave);
- if (master && !__ethtool_get_link_ksettings(master, &lksettings))
- speed = lksettings.base.speed;
- if (take_rtnl)
- rtnl_unlock();
-
-out:
- mlx5_uplink_netdev_put(mdev, slave);
- return speed;
-}
-
static int mlx5_esw_qos_max_link_speed_get(struct mlx5_core_dev *mdev, u32 *link_speed_max,
- bool take_rtnl,
struct netlink_ext_ack *extack)
{
int err;
- if (!mlx5_lag_is_active(mdev))
+ if (!mlx5_lag_is_active(mdev) ||
+ mlx5_lag_query_bond_speed(mdev, link_speed_max) < 0 ||
+ *link_speed_max == 0)
goto skip_lag;
- *link_speed_max = mlx5_esw_qos_lag_link_speed_get(mdev, take_rtnl);
-
if (*link_speed_max != (u32)SPEED_UNKNOWN)
return 0;
@@ -1560,7 +1546,8 @@ int mlx5_esw_qos_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num, u32
return PTR_ERR(vport);
if (rate_mbps) {
- err = mlx5_esw_qos_max_link_speed_get(esw->dev, &link_speed_max, false, NULL);
+ err = mlx5_esw_qos_max_link_speed_get(esw->dev, &link_speed_max,
+ NULL);
if (err)
return err;
@@ -1570,9 +1557,9 @@ int mlx5_esw_qos_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num, u32
return err;
}
- esw_qos_lock(esw);
+ esw_qos_lock(vport->dev);
err = mlx5_esw_qos_set_vport_max_rate(vport, rate_mbps, NULL);
- esw_qos_unlock(esw);
+ esw_qos_unlock(vport->dev);
return err;
}
@@ -1598,7 +1585,7 @@ static int esw_qos_devlink_rate_to_mbps(struct mlx5_core_dev *mdev, const char *
return -EINVAL;
}
- err = mlx5_esw_qos_max_link_speed_get(mdev, &link_speed_max, true, extack);
+ err = mlx5_esw_qos_max_link_speed_get(mdev, &link_speed_max, extack);
if (err)
return err;
@@ -1610,30 +1597,6 @@ static int esw_qos_devlink_rate_to_mbps(struct mlx5_core_dev *mdev, const char *
return 0;
}
-static bool esw_qos_validate_unsupported_tc_bw(struct mlx5_eswitch *esw,
- u32 *tc_bw)
-{
- int i, num_tcs = esw_qos_num_tcs(esw->dev);
-
- for (i = num_tcs; i < DEVLINK_RATE_TCS_MAX; i++) {
- if (tc_bw[i])
- return false;
- }
-
- return true;
-}
-
-static bool esw_qos_vport_validate_unsupported_tc_bw(struct mlx5_vport *vport,
- u32 *tc_bw)
-{
- struct mlx5_esw_sched_node *node = vport->qos.sched_node;
- struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
-
- esw = (node && node->parent) ? node->parent->esw : esw;
-
- return esw_qos_validate_unsupported_tc_bw(esw, tc_bw);
-}
-
static bool esw_qos_tc_bw_disabled(u32 *tc_bw)
{
int i;
@@ -1650,55 +1613,38 @@ static void esw_vport_qos_prune_empty(struct mlx5_vport *vport)
{
struct mlx5_esw_sched_node *vport_node = vport->qos.sched_node;
- esw_assert_qos_lock_held(vport->dev->priv.eswitch);
+ esw_assert_qos_lock_held(vport->dev);
if (!vport_node)
return;
- if (vport_node->parent || vport_node->max_rate ||
- vport_node->min_rate || !esw_qos_tc_bw_disabled(vport_node->tc_bw))
+ if (vport_node->parent != vport_node->esw->qos.root ||
+ vport_node->max_rate || vport_node->min_rate ||
+ !esw_qos_tc_bw_disabled(vport_node->tc_bw))
return;
mlx5_esw_qos_vport_disable_locked(vport);
}
-int mlx5_esw_qos_init(struct mlx5_eswitch *esw)
-{
- if (esw->qos.domain)
- return 0; /* Nothing to change. */
-
- return esw_qos_domain_init(esw);
-}
-
-void mlx5_esw_qos_cleanup(struct mlx5_eswitch *esw)
-{
- if (esw->qos.domain)
- esw_qos_domain_release(esw);
-}
-
/* Eswitch devlink rate API */
int mlx5_esw_devlink_rate_leaf_tx_share_set(struct devlink_rate *rate_leaf, void *priv,
u64 tx_share, struct netlink_ext_ack *extack)
{
struct mlx5_vport *vport = priv;
- struct mlx5_eswitch *esw;
int err;
- esw = vport->dev->priv.eswitch;
- if (!mlx5_esw_allowed(esw))
+ if (!mlx5_esw_allowed(vport->dev->priv.eswitch))
return -EPERM;
err = esw_qos_devlink_rate_to_mbps(vport->dev, "tx_share", &tx_share, extack);
if (err)
return err;
- esw_qos_lock(esw);
+ esw_qos_devlink_lock(vport->dev);
err = mlx5_esw_qos_set_vport_min_rate(vport, tx_share, extack);
- if (err)
- goto out;
- esw_vport_qos_prune_empty(vport);
-out:
- esw_qos_unlock(esw);
+ if (!err)
+ esw_vport_qos_prune_empty(vport);
+ esw_qos_devlink_unlock(vport->dev);
return err;
}
@@ -1706,24 +1652,20 @@ int mlx5_esw_devlink_rate_leaf_tx_max_set(struct devlink_rate *rate_leaf, void *
u64 tx_max, struct netlink_ext_ack *extack)
{
struct mlx5_vport *vport = priv;
- struct mlx5_eswitch *esw;
int err;
- esw = vport->dev->priv.eswitch;
- if (!mlx5_esw_allowed(esw))
+ if (!mlx5_esw_allowed(vport->dev->priv.eswitch))
return -EPERM;
err = esw_qos_devlink_rate_to_mbps(vport->dev, "tx_max", &tx_max, extack);
if (err)
return err;
- esw_qos_lock(esw);
+ esw_qos_devlink_lock(vport->dev);
err = mlx5_esw_qos_set_vport_max_rate(vport, tx_max, extack);
- if (err)
- goto out;
- esw_vport_qos_prune_empty(vport);
-out:
- esw_qos_unlock(esw);
+ if (!err)
+ esw_vport_qos_prune_empty(vport);
+ esw_qos_devlink_unlock(vport->dev);
return err;
}
@@ -1734,16 +1676,14 @@ int mlx5_esw_devlink_rate_leaf_tc_bw_set(struct devlink_rate *rate_leaf,
{
struct mlx5_esw_sched_node *vport_node;
struct mlx5_vport *vport = priv;
- struct mlx5_eswitch *esw;
bool disable;
int err = 0;
- esw = vport->dev->priv.eswitch;
- if (!mlx5_esw_allowed(esw))
+ if (!mlx5_esw_allowed(vport->dev->priv.eswitch))
return -EPERM;
disable = esw_qos_tc_bw_disabled(tc_bw);
- esw_qos_lock(esw);
+ esw_qos_devlink_lock(vport->dev);
if (!esw_qos_vport_validate_unsupported_tc_bw(vport, tc_bw)) {
NL_SET_ERR_MSG_MOD(extack,
@@ -1777,7 +1717,7 @@ int mlx5_esw_devlink_rate_leaf_tc_bw_set(struct devlink_rate *rate_leaf,
if (!err)
esw_qos_set_tc_arbiter_bw_shares(vport_node, tc_bw, extack);
unlock:
- esw_qos_unlock(esw);
+ esw_qos_devlink_unlock(vport->dev);
return err;
}
@@ -1787,18 +1727,17 @@ int mlx5_esw_devlink_rate_node_tc_bw_set(struct devlink_rate *rate_node,
struct netlink_ext_ack *extack)
{
struct mlx5_esw_sched_node *node = priv;
- struct mlx5_eswitch *esw = node->esw;
bool disable;
int err;
- if (!esw_qos_validate_unsupported_tc_bw(esw, tc_bw)) {
+ if (!esw_qos_validate_unsupported_tc_bw(node->esw, tc_bw)) {
NL_SET_ERR_MSG_MOD(extack,
"E-Switch traffic classes number is not supported");
return -EOPNOTSUPP;
}
disable = esw_qos_tc_bw_disabled(tc_bw);
- esw_qos_lock(esw);
+ esw_qos_devlink_lock(node->esw->dev);
if (disable) {
err = esw_qos_node_disable_tc_arbitration(node, extack);
goto unlock;
@@ -1808,7 +1747,7 @@ int mlx5_esw_devlink_rate_node_tc_bw_set(struct devlink_rate *rate_node,
if (!err)
esw_qos_set_tc_arbiter_bw_shares(node, tc_bw, extack);
unlock:
- esw_qos_unlock(esw);
+ esw_qos_devlink_unlock(node->esw->dev);
return err;
}
@@ -1823,9 +1762,9 @@ int mlx5_esw_devlink_rate_node_tx_share_set(struct devlink_rate *rate_node, void
if (err)
return err;
- esw_qos_lock(esw);
+ esw_qos_devlink_lock(esw->dev);
err = esw_qos_set_node_min_rate(node, tx_share, extack);
- esw_qos_unlock(esw);
+ esw_qos_devlink_unlock(esw->dev);
return err;
}
@@ -1840,9 +1779,9 @@ int mlx5_esw_devlink_rate_node_tx_max_set(struct devlink_rate *rate_node, void *
if (err)
return err;
- esw_qos_lock(esw);
+ esw_qos_devlink_lock(esw->dev);
err = esw_qos_sched_elem_config(node, tx_max, node->bw_share, extack);
- esw_qos_unlock(esw);
+ esw_qos_devlink_unlock(esw->dev);
return err;
}
@@ -1857,7 +1796,7 @@ int mlx5_esw_devlink_rate_node_new(struct devlink_rate *rate_node, void **priv,
if (IS_ERR(esw))
return PTR_ERR(esw);
- esw_qos_lock(esw);
+ esw_qos_devlink_lock(esw->dev);
if (esw->mode != MLX5_ESWITCH_OFFLOADS) {
NL_SET_ERR_MSG_MOD(extack,
"Rate node creation supported only in switchdev mode");
@@ -1870,10 +1809,9 @@ int mlx5_esw_devlink_rate_node_new(struct devlink_rate *rate_node, void **priv,
err = PTR_ERR(node);
goto unlock;
}
-
*priv = node;
unlock:
- esw_qos_unlock(esw);
+ esw_qos_devlink_unlock(esw->dev);
return err;
}
@@ -1883,25 +1821,53 @@ int mlx5_esw_devlink_rate_node_del(struct devlink_rate *rate_node, void *priv,
struct mlx5_esw_sched_node *node = priv;
struct mlx5_eswitch *esw = node->esw;
- esw_qos_lock(esw);
+ esw_qos_devlink_lock(esw->dev);
__esw_qos_destroy_node(node, extack);
esw_qos_put(esw);
- esw_qos_unlock(esw);
+ esw_qos_devlink_unlock(esw->dev);
+
return 0;
}
-int mlx5_esw_qos_vport_update_parent(struct mlx5_vport *vport, struct mlx5_esw_sched_node *parent,
- struct netlink_ext_ack *extack)
+static int
+mlx5_esw_validate_cross_esw_scheduling(struct mlx5_eswitch *esw,
+ struct mlx5_esw_sched_node *parent,
+ struct netlink_ext_ack *extack)
{
- struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
- int err = 0;
+ if (!parent || esw == parent->esw)
+ return 0;
- if (parent && parent->esw != esw) {
- NL_SET_ERR_MSG_MOD(extack, "Cross E-Switch scheduling is not supported");
+ if (!MLX5_CAP_QOS(esw->dev, esw_cross_esw_sched)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cross E-Switch scheduling is not supported");
+ return -EOPNOTSUPP;
+ }
+ if (!esw->dev->shd || esw->dev->shd != parent->esw->dev->shd) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cannot add vport to a parent belonging to a different device");
return -EOPNOTSUPP;
}
+ if (!mlx5_lag_is_active(esw->dev)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cross E-Switch scheduling requires LAG to be activated");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
+mlx5_esw_qos_vport_update_parent(struct mlx5_vport *vport,
+ struct mlx5_esw_sched_node *parent,
+ struct netlink_ext_ack *extack)
+{
+ struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
+ int err;
+
+ err = mlx5_esw_validate_cross_esw_scheduling(esw, parent, extack);
+ if (err)
+ return err;
- esw_qos_lock(esw);
if (!vport->qos.sched_node && parent) {
enum sched_node_type type;
@@ -1910,9 +1876,11 @@ int mlx5_esw_qos_vport_update_parent(struct mlx5_vport *vport, struct mlx5_esw_s
err = mlx5_esw_qos_vport_enable(vport, type, parent, 0, 0,
extack);
} else if (vport->qos.sched_node) {
- err = esw_qos_vport_update_parent(vport, parent, extack);
+ err = esw_qos_vport_update_parent(vport,
+ parent ? : esw->qos.root,
+ extack);
}
- esw_qos_unlock(esw);
+
return err;
}
@@ -1925,14 +1893,11 @@ int mlx5_esw_devlink_rate_leaf_parent_set(struct devlink_rate *devlink_rate,
struct mlx5_vport *vport = priv;
int err;
+ esw_qos_devlink_lock(vport->dev);
err = mlx5_esw_qos_vport_update_parent(vport, node, extack);
- if (!err) {
- struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
-
- esw_qos_lock(esw);
+ if (!err)
esw_vport_qos_prune_empty(vport);
- esw_qos_unlock(esw);
- }
+ esw_qos_devlink_unlock(vport->dev);
return err;
}
@@ -1958,7 +1923,7 @@ mlx5_esw_qos_node_validate_set_parent(struct mlx5_esw_sched_node *node,
{
u8 new_level, max_level;
- if (parent && parent->esw != node->esw) {
+ if (parent->esw != node->esw) {
NL_SET_ERR_MSG_MOD(extack,
"Cannot assign node to another E-Switch");
return -EOPNOTSUPP;
@@ -1970,13 +1935,13 @@ mlx5_esw_qos_node_validate_set_parent(struct mlx5_esw_sched_node *node,
return -EOPNOTSUPP;
}
- if (parent && parent->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR) {
+ if (parent->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR) {
NL_SET_ERR_MSG_MOD(extack,
"Cannot attach a node to a parent with TC bandwidth configured");
return -EOPNOTSUPP;
}
- new_level = parent ? parent->level + 1 : 2;
+ new_level = parent->level + 1;
if (node->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR) {
/* Increase by one to account for the vports TC scheduling
* element.
@@ -2027,14 +1992,12 @@ static int esw_qos_vports_node_update_parent(struct mlx5_esw_sched_node *node,
{
struct mlx5_esw_sched_node *curr_parent = node->parent;
struct mlx5_eswitch *esw = node->esw;
- u32 parent_ix;
int err;
- parent_ix = parent ? parent->ix : node->esw->qos.root_tsar_ix;
mlx5_destroy_scheduling_element_cmd(esw->dev,
SCHEDULING_HIERARCHY_E_SWITCH,
node->ix);
- err = esw_qos_create_node_sched_elem(esw->dev, parent_ix,
+ err = esw_qos_create_node_sched_elem(esw->dev, parent->ix,
node->max_rate, 0, &node->ix);
if (err) {
NL_SET_ERR_MSG_MOD(extack,
@@ -2061,12 +2024,15 @@ static int mlx5_esw_qos_node_update_parent(struct mlx5_esw_sched_node *node,
struct mlx5_eswitch *esw = node->esw;
int err;
+ esw_qos_devlink_lock(esw->dev);
+ curr_parent = node->parent;
+ if (!parent)
+ parent = esw->qos.root;
+
err = mlx5_esw_qos_node_validate_set_parent(node, parent, extack);
if (err)
- return err;
+ goto out;
- esw_qos_lock(esw);
- curr_parent = node->parent;
if (node->type == SCHED_NODE_TYPE_TC_ARBITER_TSAR) {
err = esw_qos_tc_arbiter_node_update_parent(node, parent,
extack);
@@ -2077,12 +2043,11 @@ static int mlx5_esw_qos_node_update_parent(struct mlx5_esw_sched_node *node,
if (err)
goto out;
- esw_qos_normalize_min_rate(esw, curr_parent, extack);
- esw_qos_normalize_min_rate(esw, parent, extack);
+ esw_qos_normalize_min_rate(curr_parent, extack);
+ esw_qos_normalize_min_rate(parent, extack);
out:
- esw_qos_unlock(esw);
-
+ esw_qos_devlink_unlock(esw->dev);
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.h
index 0a50982b0e27..f275e850d2c9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.h
@@ -6,9 +6,6 @@
#ifdef CONFIG_MLX5_ESWITCH
-int mlx5_esw_qos_init(struct mlx5_eswitch *esw);
-void mlx5_esw_qos_cleanup(struct mlx5_eswitch *esw);
-
int mlx5_esw_qos_set_vport_rate(struct mlx5_vport *evport, u32 max_rate, u32 min_rate);
bool mlx5_esw_qos_get_vport_rate(struct mlx5_vport *vport, u32 *max_rate, u32 *min_rate);
void mlx5_esw_qos_vport_disable(struct mlx5_vport *vport);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index a0e2ca87b8d8..b6e2c153b4f7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1885,10 +1885,6 @@ int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int num_vfs)
MLX5_NB_INIT(&esw->nb, eswitch_vport_event, NIC_VPORT_CHANGE);
mlx5_eq_notifier_register(esw->dev, &esw->nb);
- err = mlx5_esw_qos_init(esw);
- if (err)
- goto err_esw_init;
-
if (esw->mode == MLX5_ESWITCH_LEGACY) {
err = esw_legacy_enable(esw);
} else {
@@ -1990,6 +1986,13 @@ void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw, bool clear_vf)
esw->esw_funcs.num_vfs, esw->esw_funcs.num_ec_vfs, esw->enabled_vports);
mlx5_eswitch_invalidate_wq(esw);
+
+ if (esw->mode == MLX5_ESWITCH_OFFLOADS) {
+ struct devlink *devlink = priv_to_devlink(esw->dev);
+
+ devl_rate_nodes_destroy(devlink);
+ }
+
mlx5_esw_reps_block(esw);
if (!mlx5_core_is_ecpf(esw->dev)) {
@@ -2003,12 +2006,6 @@ void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw, bool clear_vf)
}
mlx5_esw_reps_unblock(esw);
-
- if (esw->mode == MLX5_ESWITCH_OFFLOADS) {
- struct devlink *devlink = priv_to_devlink(esw->dev);
-
- devl_rate_nodes_destroy(devlink);
- }
/* Destroy legacy fdb when disabling sriov in legacy mode. */
if (esw->mode == MLX5_ESWITCH_LEGACY)
mlx5_eswitch_disable_locked(esw);
@@ -2039,6 +2036,9 @@ void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw)
esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS",
esw->esw_funcs.num_vfs, esw->esw_funcs.num_ec_vfs, esw->enabled_vports);
+ if (esw->mode == MLX5_ESWITCH_OFFLOADS)
+ devl_rate_nodes_destroy(devlink);
+
if (esw->fdb_table.flags & MLX5_ESW_FDB_CREATED) {
esw->fdb_table.flags &= ~MLX5_ESW_FDB_CREATED;
if (esw->mode == MLX5_ESWITCH_OFFLOADS)
@@ -2047,9 +2047,6 @@ void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw)
esw_legacy_disable(esw);
mlx5_esw_acls_ns_cleanup(esw);
}
-
- if (esw->mode == MLX5_ESWITCH_OFFLOADS)
- devl_rate_nodes_destroy(devlink);
}
void mlx5_eswitch_disable(struct mlx5_eswitch *esw)
@@ -2554,9 +2551,6 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
goto reps_err;
esw->mode = MLX5_ESWITCH_LEGACY;
- err = mlx5_esw_qos_init(esw);
- if (err)
- goto reps_err;
mutex_init(&esw->offloads.encap_tbl_lock);
hash_init(esw->offloads.encap_tbl);
@@ -2611,7 +2605,6 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
mlx5_eswitch_invalidate_wq(esw);
destroy_workqueue(esw->work_queue);
- mlx5_esw_qos_cleanup(esw);
WARN_ON(refcount_read(&esw->qos.refcnt));
mutex_destroy(&esw->state_lock);
WARN_ON(!xa_empty(&esw->offloads.vhca_map));
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index fea72b1dedab..c655f6e8da1c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -234,8 +234,10 @@ struct mlx5_vport {
struct mlx5_vport_info info;
- /* Protected with the E-Switch qos domain lock. The Vport QoS can
- * either be disabled (sched_node is NULL) or in one of three states:
+ /* Protected by either the shared devlink (dev->shd) lock or by
+ * esw->state_lock. See esw_assert_qos_lock_held() for more details.
+ * The Vport QoS can either be disabled (sched_node is NULL) or in one
+ * of three states:
* 1. Regular QoS (sched_node is a vport node).
* 2. TC QoS enabled on the vport (sched_node is a TC arbiter).
* 3. TC QoS enabled on the vport's parent node
@@ -382,7 +384,6 @@ enum {
};
struct dentry;
-struct mlx5_qos_domain;
struct mlx5_eswitch {
struct mlx5_core_dev *dev;
@@ -411,12 +412,15 @@ struct mlx5_eswitch {
atomic64_t user_count;
wait_queue_head_t work_queue_wait;
- /* Protected with the E-Switch qos domain lock. */
+ /* QoS changes are serialized by either the shared devlink (dev->shd)
+ * lock or by esw->state_lock. See esw_assert_qos_lock_held() for more
+ * details.
+ */
struct {
/* Initially 0, meaning no QoS users and QoS is disabled. */
refcount_t refcnt;
- u32 root_tsar_ix;
- struct mlx5_qos_domain *domain;
+ /* The root node of the hierarchy. */
+ struct mlx5_esw_sched_node *root;
} qos;
struct mlx5_esw_bridge_offloads *br_offloads;
@@ -482,8 +486,6 @@ int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw,
u16 vport_num, bool setting);
int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, u16 vport,
u32 max_rate, u32 min_rate);
-int mlx5_esw_qos_vport_update_parent(struct mlx5_vport *vport, struct mlx5_esw_sched_node *node,
- struct netlink_ext_ack *extack);
int mlx5_eswitch_set_vepa(struct mlx5_eswitch *esw, u8 setting);
int mlx5_eswitch_get_vepa(struct mlx5_eswitch *esw, u8 *setting);
int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
index dbaf33b537f7..906584345a02 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
@@ -214,17 +214,7 @@ struct mlx5_ft_underlay_qp {
u32 qpn;
};
-#define MLX5_FTE_MATCH_PARAM_RESERVED reserved_at_e00
-/* Calculate the fte_match_param length and without the reserved length.
- * Make sure the reserved field is the last.
- */
-#define MLX5_ST_SZ_DW_MATCH_PARAM \
- ((MLX5_BYTE_OFF(fte_match_param, MLX5_FTE_MATCH_PARAM_RESERVED) / sizeof(u32)) + \
- BUILD_BUG_ON_ZERO(MLX5_ST_SZ_BYTES(fte_match_param) != \
- MLX5_FLD_SZ_BYTES(fte_match_param, \
- MLX5_FTE_MATCH_PARAM_RESERVED) +\
- MLX5_BYTE_OFF(fte_match_param, \
- MLX5_FTE_MATCH_PARAM_RESERVED)))
+#define MLX5_ST_SZ_DW_MATCH_PARAM MLX5_ST_SZ_DW(fte_match_param)
struct fs_fte_action {
int modify_mask;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/cmd.c
index e624f5da96c8..8fae90101653 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/cmd.c
@@ -1172,13 +1172,13 @@ int mlx5hws_cmd_query_caps(struct mlx5_core_dev *mdev,
}
if (MLX5_GET(query_hca_cap_out, out,
- capability.esw_cap.esw_manager_vport_number_valid))
+ capability.e_switch_cap.esw_manager_vport_number_valid))
caps->eswitch_manager_vport_number =
MLX5_GET(query_hca_cap_out, out,
- capability.esw_cap.esw_manager_vport_number);
+ capability.e_switch_cap.esw_manager_vport_number);
caps->merged_eswitch = MLX5_GET(query_hca_cap_out, out,
- capability.esw_cap.merged_eswitch);
+ capability.e_switch_cap.merged_eswitch);
}
ret = mlx5_cmd_exec(mdev, in, sizeof(in), out, out_size);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 82569162d2e5..815e8d8e3185 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -663,8 +663,11 @@ static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
}
-static void mlxsw_sp_set_rx_mode(struct net_device *dev)
+static int mlxsw_sp_set_rx_mode_async(struct net_device *dev,
+ struct netdev_hw_addr_list *uc,
+ struct netdev_hw_addr_list *mc)
{
+ return 0;
}
static int mlxsw_sp_port_set_mac_address(struct net_device *dev, void *p)
@@ -1191,7 +1194,7 @@ static const struct net_device_ops mlxsw_sp_port_netdev_ops = {
.ndo_stop = mlxsw_sp_port_stop,
.ndo_start_xmit = mlxsw_sp_port_xmit,
.ndo_setup_tc = mlxsw_sp_setup_tc,
- .ndo_set_rx_mode = mlxsw_sp_set_rx_mode,
+ .ndo_set_rx_mode_async = mlxsw_sp_set_rx_mode_async,
.ndo_set_mac_address = mlxsw_sp_port_set_mac_address,
.ndo_change_mtu = mlxsw_sp_port_change_mtu,
.ndo_get_stats64 = mlxsw_sp_port_get_stats64,
@@ -1549,6 +1552,7 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u16 local_port,
dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
dev->lltx = true;
dev->netns_immutable = true;
+ dev->request_ops_lock = true;
dev->min_mtu = ETH_MIN_MTU;
dev->max_mtu = MLXSW_PORT_MAX_MTU - MLXSW_PORT_ETH_FRAME_HDR;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c
index cbb272a96359..0d0cd093b3c6 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c
@@ -1118,7 +1118,7 @@ u8 mlxsw_sp_acl_erp_delta_value(const struct mlxsw_sp_acl_erp_delta *delta,
}
void mlxsw_sp_acl_erp_delta_clear(const struct mlxsw_sp_acl_erp_delta *delta,
- const char *enc_key)
+ char *enc_key)
{
u16 start = delta->start;
u8 mask = delta->mask;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h
index 010204f73ea4..67cc7a5737dd 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h
@@ -245,7 +245,7 @@ u8 mlxsw_sp_acl_erp_delta_mask(const struct mlxsw_sp_acl_erp_delta *delta);
u8 mlxsw_sp_acl_erp_delta_value(const struct mlxsw_sp_acl_erp_delta *delta,
const char *enc_key);
void mlxsw_sp_acl_erp_delta_clear(const struct mlxsw_sp_acl_erp_delta *delta,
- const char *enc_key);
+ char *enc_key);
struct mlxsw_sp_acl_erp_mask;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c
index 7f78b1ef61cc..3bdb532d833b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c
@@ -1262,6 +1262,8 @@ mlxsw_sp_set_module_power_mode(struct net_device *dev,
const struct ethtool_ops mlxsw_sp_port_ethtool_ops = {
.cap_link_lanes_supported = true,
+ .op_needs_rtnl = ETHTOOL_OP_NEEDS_RTNL_SPAUSEPARAM |
+ ETHTOOL_OP_NEEDS_RTNL_GLINK,
.get_drvinfo = mlxsw_sp_port_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_link_ext_state = mlxsw_sp_port_get_link_ext_state,
diff --git a/drivers/net/ethernet/microchip/lan865x/lan865x.c b/drivers/net/ethernet/microchip/lan865x/lan865x.c
index 0277d9737369..26a2761332a5 100644
--- a/drivers/net/ethernet/microchip/lan865x/lan865x.c
+++ b/drivers/net/ethernet/microchip/lan865x/lan865x.c
@@ -346,7 +346,7 @@ static int lan865x_probe(struct spi_device *spi)
spi_set_drvdata(spi, priv);
INIT_WORK(&priv->multicast_work, lan865x_multicast_work_handler);
- priv->tc6 = oa_tc6_init(spi, netdev);
+ priv->tc6 = oa_tc6_init(spi, netdev, NULL);
if (!priv->tc6) {
ret = -ENODEV;
goto free_netdev;
diff --git a/drivers/net/ethernet/microchip/sparx5/lan969x/lan969x_regs.c b/drivers/net/ethernet/microchip/sparx5/lan969x/lan969x_regs.c
index ace4ba21eec4..3fc2c006ba12 100644
--- a/drivers/net/ethernet/microchip/sparx5/lan969x/lan969x_regs.c
+++ b/drivers/net/ethernet/microchip/sparx5/lan969x/lan969x_regs.c
@@ -95,6 +95,7 @@ const unsigned int lan969x_gaddr[GADDR_LAST] = {
[GA_HSCH_SYSTEM] = 37384,
[GA_HSCH_MMGT] = 36260,
[GA_HSCH_TAS_CONFIG] = 37696,
+ [GA_HSCH_TAS_PROFILE_CFG] = 37712,
[GA_PTP_PTP_CFG] = 512,
[GA_PTP_PTP_TOD_DOMAINS] = 528,
[GA_PTP_PHASE_DETECTOR_CTRL] = 628,
@@ -129,6 +130,7 @@ const unsigned int lan969x_gcnt[GCNT_LAST] = {
[GC_GCB_SIO_CTRL] = 1,
[GC_HSCH_HSCH_CFG] = 1120,
[GC_HSCH_HSCH_DWRR] = 32,
+ [GC_HSCH_TAS_PROFILE_CFG] = 30,
[GC_PTP_PTP_PINS] = 8,
[GC_PTP_PHASE_DETECTOR_CTRL] = 8,
[GC_REW_PORT] = 35,
@@ -144,6 +146,7 @@ const unsigned int lan969x_gsize[GSIZE_LAST] = {
[GW_FDMA_FDMA] = 448,
[GW_GCB_CHIP_REGS] = 180,
[GW_HSCH_TAS_CONFIG] = 16,
+ [GW_HSCH_TAS_PROFILE_CFG] = 68,
[GW_PTP_PHASE_DETECTOR_CTRL] = 12,
[GW_QSYS_PAUSE_CFG] = 988,
};
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main_regs.h b/drivers/net/ethernet/microchip/sparx5/sparx5_main_regs.h
index d9ef4ef137b8..d34467513648 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_main_regs.h
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main_regs.h
@@ -5369,6 +5369,18 @@ extern const struct sparx5_regs *regs;
#define HSCH_TAS_STATEMACHINE_CFG_REVISIT_DLY_GET(x)\
FIELD_GET(HSCH_TAS_STATEMACHINE_CFG_REVISIT_DLY, x)
+/* HSCH:TAS_PROFILE_CFG:TAS_PROFILE_CONFIG */
+#define HSCH_TAS_PROFILE_CONFIG(g) \
+ __REG(TARGET_HSCH, 0, 1, regs->gaddr[GA_HSCH_TAS_PROFILE_CFG], g, \
+ regs->gcnt[GC_HSCH_TAS_PROFILE_CFG], \
+ regs->gsize[GW_HSCH_TAS_PROFILE_CFG], 32, 0, 1, 4)
+
+#define HSCH_TAS_PROFILE_CONFIG_LINK_SPEED GENMASK(10, 8)
+#define HSCH_TAS_PROFILE_CONFIG_LINK_SPEED_SET(x)\
+ FIELD_PREP(HSCH_TAS_PROFILE_CONFIG_LINK_SPEED, x)
+#define HSCH_TAS_PROFILE_CONFIG_LINK_SPEED_GET(x)\
+ FIELD_GET(HSCH_TAS_PROFILE_CONFIG_LINK_SPEED, x)
+
/* LAN969X ONLY */
/* HSIOWRAP:XMII_CFG:XMII_CFG */
#define HSIO_WRAP_XMII_CFG(g) \
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c
index 62c49893de3c..ef06bed3a9cc 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c
@@ -11,6 +11,7 @@
#include "sparx5_main_regs.h"
#include "sparx5_main.h"
#include "sparx5_port.h"
+#include "sparx5_qos.h"
#define SPX5_ETYPE_TAG_C 0x8100
#define SPX5_ETYPE_TAG_S 0x88a8
@@ -1050,6 +1051,9 @@ int sparx5_port_config(struct sparx5 *sparx5,
sparx5,
QFWD_SWITCH_PORT_MODE(port->portno));
+ /* Notify TAS about the speed. */
+ sparx5_tas_speed(port, conf->speed);
+
/* Save the new values */
port->conf = *conf;
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_qos.c b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.c
index e580670f3992..972da8a71f5a 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_qos.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.c
@@ -9,6 +9,17 @@
#include "sparx5_main.h"
#include "sparx5_qos.h"
+enum sparx5_tas_link_speed {
+ TAS_SPEED_NO_GB,
+ TAS_SPEED_10,
+ TAS_SPEED_100,
+ TAS_SPEED_1000,
+ TAS_SPEED_2500,
+ TAS_SPEED_5000,
+ TAS_SPEED_10000,
+ TAS_SPEED_25000,
+};
+
/* Calculate new base_time based on cycle_time.
*
* The hardware requires a base_time that is always in the future.
@@ -581,3 +592,41 @@ int sparx5_tc_ets_del(struct sparx5_port *port)
return sparx5_dwrr_conf_set(port, &dwrr);
}
+
+void sparx5_tas_speed(struct sparx5_port *port, int speed)
+{
+ struct sparx5 *sparx5 = port->sparx5;
+ u8 spd;
+
+ switch (speed) {
+ case SPEED_10:
+ spd = TAS_SPEED_10;
+ break;
+ case SPEED_100:
+ spd = TAS_SPEED_100;
+ break;
+ case SPEED_1000:
+ spd = TAS_SPEED_1000;
+ break;
+ case SPEED_2500:
+ spd = TAS_SPEED_2500;
+ break;
+ case SPEED_5000:
+ spd = TAS_SPEED_5000;
+ break;
+ case SPEED_10000:
+ spd = TAS_SPEED_10000;
+ break;
+ case SPEED_25000:
+ spd = TAS_SPEED_25000;
+ break;
+ default:
+ netdev_err(port->ndev, "TAS: Unsupported speed: %d\n", speed);
+ return;
+ }
+
+ spx5_rmw(HSCH_TAS_PROFILE_CONFIG_LINK_SPEED_SET(spd),
+ HSCH_TAS_PROFILE_CONFIG_LINK_SPEED,
+ sparx5,
+ HSCH_TAS_PROFILE_CONFIG(port->portno));
+}
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h
index 04f76f1e23f6..a92a699c551f 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h
@@ -60,6 +60,7 @@ struct sparx5_dwrr {
};
int sparx5_qos_init(struct sparx5 *sparx5);
+void sparx5_tas_speed(struct sparx5_port *port, int speed);
/* Multi-Queue Priority */
int sparx5_tc_mqprio_add(struct net_device *ndev, u8 num_tc);
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_regs.c b/drivers/net/ethernet/microchip/sparx5/sparx5_regs.c
index 220e81b714d4..3863f954bd83 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_regs.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_regs.c
@@ -95,6 +95,7 @@ const unsigned int sparx5_gaddr[GADDR_LAST] = {
[GA_HSCH_SYSTEM] = 184000,
[GA_HSCH_MMGT] = 162368,
[GA_HSCH_TAS_CONFIG] = 162384,
+ [GA_HSCH_TAS_PROFILE_CFG] = 188416,
[GA_PTP_PTP_CFG] = 320,
[GA_PTP_PTP_TOD_DOMAINS] = 336,
[GA_PTP_PHASE_DETECTOR_CTRL] = 420,
@@ -129,6 +130,7 @@ const unsigned int sparx5_gcnt[GCNT_LAST] = {
[GC_GCB_SIO_CTRL] = 3,
[GC_HSCH_HSCH_CFG] = 5040,
[GC_HSCH_HSCH_DWRR] = 72,
+ [GC_HSCH_TAS_PROFILE_CFG] = 100,
[GC_PTP_PTP_PINS] = 5,
[GC_PTP_PHASE_DETECTOR_CTRL] = 5,
[GC_REW_PORT] = 70,
@@ -144,6 +146,7 @@ const unsigned int sparx5_gsize[GSIZE_LAST] = {
[GW_FDMA_FDMA] = 428,
[GW_GCB_CHIP_REGS] = 424,
[GW_HSCH_TAS_CONFIG] = 12,
+ [GW_HSCH_TAS_PROFILE_CFG] = 64,
[GW_PTP_PHASE_DETECTOR_CTRL] = 8,
[GW_QSYS_PAUSE_CFG] = 1128,
};
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_regs.h b/drivers/net/ethernet/microchip/sparx5/sparx5_regs.h
index ea28130c2341..585589a31e90 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_regs.h
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_regs.h
@@ -104,6 +104,7 @@ enum sparx5_gaddr_enum {
GA_HSCH_SYSTEM,
GA_HSCH_MMGT,
GA_HSCH_TAS_CONFIG,
+ GA_HSCH_TAS_PROFILE_CFG,
GA_PTP_PTP_CFG,
GA_PTP_PTP_TOD_DOMAINS,
GA_PTP_PHASE_DETECTOR_CTRL,
@@ -139,6 +140,7 @@ enum sparx5_gcnt_enum {
GC_GCB_SIO_CTRL,
GC_HSCH_HSCH_CFG,
GC_HSCH_HSCH_DWRR,
+ GC_HSCH_TAS_PROFILE_CFG,
GC_PTP_PTP_PINS,
GC_PTP_PHASE_DETECTOR_CTRL,
GC_REW_PORT,
@@ -155,6 +157,7 @@ enum sparx5_gsize_enum {
GW_FDMA_FDMA,
GW_GCB_CHIP_REGS,
GW_HSCH_TAS_CONFIG,
+ GW_HSCH_TAS_PROFILE_CFG,
GW_PTP_PHASE_DETECTOR_CTRL,
GW_QSYS_PAUSE_CFG,
GSIZE_LAST,
diff --git a/drivers/net/ethernet/microsoft/Kconfig b/drivers/net/ethernet/microsoft/Kconfig
index 3f36ee6a8ece..e9be18c92ca5 100644
--- a/drivers/net/ethernet/microsoft/Kconfig
+++ b/drivers/net/ethernet/microsoft/Kconfig
@@ -21,6 +21,7 @@ config MICROSOFT_MANA
depends on X86_64 || (ARM64 && !CPU_BIG_ENDIAN)
depends on PCI_HYPERV
select AUXILIARY_BUS
+ select DIMLIB
select PAGE_POOL
select NET_SHAPER
help
diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c
index e8b7ffb47eb9..a38d4bb74621 100644
--- a/drivers/net/ethernet/microsoft/mana/gdma_main.c
+++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright (c) 2021, Microsoft Corporation. */
+#include <linux/bitfield.h>
#include <linux/debugfs.h>
#include <linux/module.h>
#include <linux/pci.h>
@@ -466,6 +467,7 @@ static int mana_gd_disable_queue(struct gdma_queue *queue)
#define DOORBELL_OFFSET_RQ 0x400
#define DOORBELL_OFFSET_CQ 0x800
#define DOORBELL_OFFSET_EQ 0xFF8
+#define DOORBELL_OFFSET_DIM 0x820
static void mana_gd_ring_doorbell(struct gdma_context *gc, u32 db_index,
enum gdma_queue_type q_type, u32 qid,
@@ -506,6 +508,16 @@ static void mana_gd_ring_doorbell(struct gdma_context *gc, u32 db_index,
addr += DOORBELL_OFFSET_SQ;
break;
+ case GDMA_DIM:
+ e.dim.id = qid;
+ e.dim.mod_usec = FIELD_GET(MANA_INTR_MODR_USEC_MAX, tail_ptr);
+ e.dim.mod_usec_vld = !!(tail_ptr & MANA_INTR_MODR_USEC_VLD);
+ e.dim.mod_comps = FIELD_GET(MANA_INTR_MODR_COMP_MASK, tail_ptr);
+ e.dim.mod_comps_vld = num_req;
+
+ addr += DOORBELL_OFFSET_DIM;
+ break;
+
default:
WARN_ON(1);
return;
@@ -540,6 +552,23 @@ void mana_gd_ring_cq(struct gdma_queue *cq, u8 arm_bit)
}
EXPORT_SYMBOL_NS(mana_gd_ring_cq, "NET_MANA");
+void mana_gd_ring_dim(struct gdma_queue *cq, u32 mod_usec, bool mod_usec_vld,
+ u32 mod_comps, bool mod_comps_vld)
+{
+ struct gdma_context *gc = cq->gdma_dev->gdma_context;
+ u32 dim_val;
+
+ /* Convert the DIM values to doorbell parameters */
+ dim_val = FIELD_PREP(MANA_INTR_MODR_USEC_MAX, mod_usec) |
+ FIELD_PREP(MANA_INTR_MODR_COMP_MASK, mod_comps);
+ if (mod_usec_vld)
+ dim_val |= MANA_INTR_MODR_USEC_VLD;
+
+ mana_gd_ring_doorbell(gc, cq->gdma_dev->doorbell, GDMA_DIM, cq->id,
+ dim_val, mod_comps_vld);
+}
+EXPORT_SYMBOL_NS(mana_gd_ring_dim, "NET_MANA");
+
#define MANA_SERVICE_PERIOD 10
static void mana_serv_rescan(struct pci_dev *pdev)
@@ -2427,6 +2456,8 @@ static void mana_gd_remove(struct pci_dev *pdev)
{
struct gdma_context *gc = pci_get_drvdata(pdev);
+ pci_disable_sriov(pdev);
+
mana_rdma_remove(&gc->mana_ib);
mana_remove(&gc->mana, false);
@@ -2496,6 +2527,27 @@ static void mana_gd_shutdown(struct pci_dev *pdev)
pci_disable_device(pdev);
}
+static int mana_sriov_configure(struct pci_dev *pdev, int numvfs)
+{
+ int err = 0;
+
+ dev_info(&pdev->dev, "Requested num VFs: %d\n", numvfs);
+
+ if (numvfs > 0) {
+ err = pci_enable_sriov(pdev, numvfs);
+ } else {
+ if (pci_vfs_assigned(pdev)) {
+ dev_warn(&pdev->dev,
+ "Cannot disable SR-IOV while VFs are assigned\n");
+ return -EPERM;
+ }
+
+ pci_disable_sriov(pdev);
+ }
+
+ return err ? err : numvfs;
+}
+
static const struct pci_device_id mana_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_MICROSOFT, MANA_PF_DEVICE_ID) },
{ PCI_DEVICE(PCI_VENDOR_ID_MICROSOFT, MANA_PF2_DEVICE_ID) },
@@ -2511,6 +2563,7 @@ static struct pci_driver mana_driver = {
.suspend = mana_gd_suspend,
.resume = mana_gd_resume,
.shutdown = mana_gd_shutdown,
+ .sriov_configure = mana_sriov_configure,
};
static int __init mana_driver_init(void)
diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index 9d9bfd116dab..a8c329bdbacf 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -892,6 +892,17 @@ static void mana_tx_timeout(struct net_device *netdev, unsigned int txqueue)
struct mana_context *ac = apc->ac;
struct gdma_context *gc = ac->gdma_dev->gdma_context;
+ /* Debug knob for bringup/qualification: when set, log the timeout and
+ * skip the reset so the failing state is preserved for telemetry.
+ * Disabled by default; production behaviour is unchanged.
+ */
+ if (READ_ONCE(apc->tx_timeout_skip_reset)) {
+ netdev_warn(netdev,
+ "TX timeout on queue %u: reset skipped (tx_timeout_skip_reset enabled)\n",
+ txqueue);
+ return;
+ }
+
/* Already in service, hence tx queue reset is not required.*/
if (test_bit(GC_IN_SERVICE, &gc->flags))
return;
@@ -1591,6 +1602,15 @@ int mana_create_wq_obj(struct mana_port_context *apc,
mana_gd_init_req_hdr(&req.hdr, MANA_CREATE_WQ_OBJ,
sizeof(req), sizeof(resp));
+
+ /* Our driver uses different message versions for request and
+ * response in this case.
+ * Our firmware is forward compatible with newer message versions, so
+ * the old firmware still properly handles this message, just the new
+ * feature fields are ignored, and queue creation will be successful.
+ */
+ req.hdr.req.msg_version = GDMA_MESSAGE_V3;
+ req.hdr.resp.msg_version = GDMA_MESSAGE_V2;
req.vport = vport;
req.wq_type = wq_type;
req.wq_gdma_region = wq_spec->gdma_region;
@@ -1599,6 +1619,9 @@ int mana_create_wq_obj(struct mana_port_context *apc,
req.cq_size = cq_spec->queue_size;
req.cq_moderation_ctx_id = cq_spec->modr_ctx_id;
req.cq_parent_qid = cq_spec->attached_eq;
+ req.req_cq_moderation = cq_spec->req_cq_moderation;
+ req.cq_moderation_comp = cq_spec->cq_moderation_comp;
+ req.cq_moderation_usec = cq_spec->cq_moderation_usec;
err = mana_send_request(apc->ac, &req, sizeof(req), &resp,
sizeof(resp));
@@ -1856,6 +1879,7 @@ static void mana_poll_tx_cq(struct mana_cq *cq)
struct gdma_posted_wqe_info *wqe_info;
unsigned int pkt_transmitted = 0;
unsigned int wqe_unit_cnt = 0;
+ unsigned int tx_bytes = 0;
struct mana_txq *txq = cq->txq;
struct mana_port_context *apc;
struct netdev_queue *net_txq;
@@ -1937,6 +1961,8 @@ static void mana_poll_tx_cq(struct mana_cq *cq)
mana_unmap_skb(skb, apc);
+ tx_bytes += skb->len;
+
napi_consume_skb(skb, cq->budget);
pkt_transmitted++;
@@ -1967,6 +1993,10 @@ static void mana_poll_tx_cq(struct mana_cq *cq)
if (atomic_sub_return(pkt_transmitted, &txq->pending_sends) < 0)
WARN_ON_ONCE(1);
+ /* Feed DIM with the completion rate observed here, in NAPI context. */
+ cq->tx_dim_pkts += pkt_transmitted;
+ cq->tx_dim_bytes += tx_bytes;
+
cq->work_done = pkt_transmitted;
}
@@ -2352,6 +2382,117 @@ static void mana_poll_rx_cq(struct mana_cq *cq)
xdp_do_flush();
}
+static void mana_rx_dim_work(struct work_struct *work)
+{
+ struct dim *dim = container_of(work, struct dim, work);
+ struct dim_cq_moder cur_moder;
+ struct mana_cq *cq;
+
+ cur_moder = net_dim_get_rx_moderation(dim->mode, dim->profile_ix);
+ cq = container_of(dim, struct mana_cq, dim);
+
+ cur_moder.usec = min_t(u16, cur_moder.usec, MANA_INTR_MODR_USEC_MAX);
+ cur_moder.pkts = min_t(u16, cur_moder.pkts, MANA_INTR_MODR_COMP_MAX);
+
+ mana_gd_ring_dim(cq->gdma_cq, cur_moder.usec, true,
+ cur_moder.pkts, true);
+
+ dim->state = DIM_START_MEASURE;
+}
+
+static void mana_tx_dim_work(struct work_struct *work)
+{
+ struct dim *dim = container_of(work, struct dim, work);
+ struct dim_cq_moder cur_moder;
+ struct mana_cq *cq;
+
+ cur_moder = net_dim_get_tx_moderation(dim->mode, dim->profile_ix);
+ cq = container_of(dim, struct mana_cq, dim);
+
+ cur_moder.usec = min_t(u16, cur_moder.usec, MANA_INTR_MODR_USEC_MAX);
+ cur_moder.pkts = min_t(u16, cur_moder.pkts, MANA_INTR_MODR_COMP_MAX);
+
+ mana_gd_ring_dim(cq->gdma_cq, cur_moder.usec, true,
+ cur_moder.pkts, true);
+
+ dim->state = DIM_START_MEASURE;
+}
+
+/* The caller must update apc->rx/tx_dim_enabled before disabling and
+ * after enabling. And synchronize_net() before draining the DIM work,
+ * so that NAPI cannot observe a stale flag.
+ */
+void mana_dim_change(struct mana_cq *cq, bool enable)
+{
+ bool is_rx = cq->type == MANA_CQ_TYPE_RX;
+ struct mana_port_context *apc;
+ work_func_t work_func;
+ u32 usec, comp;
+
+ if (is_rx) {
+ apc = netdev_priv(cq->rxq->ndev);
+ usec = apc->intr_modr_rx_usec;
+ comp = apc->intr_modr_rx_comp;
+ work_func = mana_rx_dim_work;
+ } else {
+ apc = netdev_priv(cq->txq->ndev);
+ usec = apc->intr_modr_tx_usec;
+ comp = apc->intr_modr_tx_comp;
+ work_func = mana_tx_dim_work;
+ }
+
+ /* On enable, zero the DIM state so net_dim() starts measuring from
+ * scratch.
+ * On disable, drain any pending DIM work and restore the static
+ * moderation values.
+ */
+ if (enable) {
+ memset(&cq->dim, 0, sizeof(cq->dim));
+ cq->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE;
+ INIT_WORK(&cq->dim.work, work_func);
+ } else {
+ cancel_work_sync(&cq->dim.work);
+ mana_gd_ring_dim(cq->gdma_cq, usec, true, comp, true);
+ }
+}
+
+static void mana_update_rx_dim(struct mana_cq *cq)
+{
+ struct mana_port_context *apc = netdev_priv(cq->rxq->ndev);
+ struct dim_sample dim_sample = {};
+ struct mana_rxq *rxq = cq->rxq;
+
+ /* Pairs with smp_store_release() in mana_set_coalesce(): observing the
+ * enable flag set guarantees the DIM (re)initialization is visible.
+ */
+ if (!smp_load_acquire(&apc->rx_dim_enabled))
+ return;
+
+ dim_update_sample(READ_ONCE(cq->dim_event_ctr), rxq->stats.packets,
+ rxq->stats.bytes, &dim_sample);
+ net_dim(&cq->dim, &dim_sample);
+}
+
+static void mana_update_tx_dim(struct mana_cq *cq)
+{
+ struct mana_port_context *apc = netdev_priv(cq->txq->ndev);
+ struct dim_sample dim_sample = {};
+
+ /* Pairs with smp_store_release() in mana_set_coalesce(): observing the
+ * enable flag set guarantees the DIM (re)initialization is visible.
+ */
+ if (!smp_load_acquire(&apc->tx_dim_enabled))
+ return;
+
+ /* cq->tx_dim_pkts/bytes are accumulated in mana_poll_tx_cq(), in the
+ * same NAPI context as this read, so they track the hardware
+ * completion rate and need no u64_stats_sync protection.
+ */
+ dim_update_sample(READ_ONCE(cq->dim_event_ctr), cq->tx_dim_pkts,
+ cq->tx_dim_bytes, &dim_sample);
+ net_dim(&cq->dim, &dim_sample);
+}
+
static int mana_cq_handler(void *context, struct gdma_queue *gdma_queue)
{
struct mana_cq *cq = context;
@@ -2370,6 +2511,15 @@ static int mana_cq_handler(void *context, struct gdma_queue *gdma_queue)
if (w < cq->budget) {
mana_gd_ring_cq(gdma_queue, SET_ARM_BIT);
cq->work_done_since_doorbell = 0;
+
+ /* Update DIM before napi_complete_done() to prevent running
+ * net_dim() concurrently.
+ */
+ if (cq->type == MANA_CQ_TYPE_RX)
+ mana_update_rx_dim(cq);
+ else
+ mana_update_tx_dim(cq);
+
napi_complete_done(&cq->napi, w);
} else if (cq->work_done_since_doorbell >=
(cq->gdma_cq->queue_size / COMP_ENTRY_SIZE) * 4) {
@@ -2402,6 +2552,7 @@ static void mana_schedule_napi(void *context, struct gdma_queue *gdma_queue)
{
struct mana_cq *cq = context;
+ WRITE_ONCE(cq->dim_event_ctr, cq->dim_event_ctr + 1);
napi_schedule_irqoff(&cq->napi);
}
@@ -2444,6 +2595,7 @@ static void mana_destroy_txq(struct mana_port_context *apc)
if (apc->tx_qp[i]->txq.napi_initialized) {
napi_synchronize(napi);
napi_disable_locked(napi);
+ cancel_work_sync(&apc->tx_qp[i]->tx_cq.dim.work);
netif_napi_del_locked(napi);
apc->tx_qp[i]->txq.napi_initialized = false;
}
@@ -2577,6 +2729,11 @@ static int mana_create_txq(struct mana_port_context *apc,
cq_spec.modr_ctx_id = 0;
cq_spec.attached_eq = cq->gdma_cq->cq.parent->id;
+ /* DIM setting can be changed at runtime */
+ cq_spec.req_cq_moderation = true;
+ cq_spec.cq_moderation_usec = apc->intr_modr_tx_usec;
+ cq_spec.cq_moderation_comp = apc->intr_modr_tx_comp;
+
err = mana_create_wq_obj(apc, apc->port_handle, GDMA_SQ,
&wq_spec, &cq_spec,
&apc->tx_qp[i]->tx_object);
@@ -2607,6 +2764,13 @@ static int mana_create_txq(struct mana_port_context *apc,
set_bit(NAPI_STATE_NO_BUSY_POLL, &cq->napi.state);
netif_napi_add_locked(net, &cq->napi, mana_poll);
+
+ /* Initialize the DIM work before enabling NAPI, so that a poll
+ * cannot reach net_dim() with an uninitialized cq->dim.work.
+ */
+ INIT_WORK(&cq->dim.work, mana_tx_dim_work);
+ cq->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE;
+
napi_enable_locked(&cq->napi);
txq->napi_initialized = true;
@@ -2644,6 +2808,7 @@ static void mana_destroy_rxq(struct mana_port_context *apc,
napi_synchronize(napi);
napi_disable_locked(napi);
+ cancel_work_sync(&rxq->rx_cq.dim.work);
netif_napi_del_locked(napi);
}
@@ -2887,6 +3052,11 @@ static struct mana_rxq *mana_create_rxq(struct mana_port_context *apc,
cq_spec.modr_ctx_id = 0;
cq_spec.attached_eq = cq->gdma_cq->cq.parent->id;
+ /* DIM setting can be changed at runtime */
+ cq_spec.req_cq_moderation = true;
+ cq_spec.cq_moderation_usec = apc->intr_modr_rx_usec;
+ cq_spec.cq_moderation_comp = apc->intr_modr_rx_comp;
+
err = mana_create_wq_obj(apc, apc->port_handle, GDMA_RQ,
&wq_spec, &cq_spec, &rxq->rxobj);
if (err)
@@ -2919,6 +3089,12 @@ static struct mana_rxq *mana_create_rxq(struct mana_port_context *apc,
WARN_ON(xdp_rxq_info_reg_mem_model(&rxq->xdp_rxq, MEM_TYPE_PAGE_POOL,
rxq->page_pool));
+ /* Initialize the DIM work before enabling NAPI, so that a poll
+ * cannot reach net_dim() with an uninitialized cq->dim.work.
+ */
+ INIT_WORK(&cq->dim.work, mana_rx_dim_work);
+ cq->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE;
+
napi_enable_locked(&cq->napi);
mana_gd_ring_cq(cq->gdma_cq, SET_ARM_BIT);
@@ -3321,6 +3497,9 @@ static int mana_init_port(struct net_device *ndev)
&apc->steer_cqe_coalescing);
debugfs_create_u32("current_speed", 0400, apc->mana_port_debugfs,
&apc->speed);
+ debugfs_create_bool("tx_timeout_skip_reset", 0600,
+ apc->mana_port_debugfs,
+ &apc->tx_timeout_skip_reset);
return 0;
reset_apc:
@@ -3585,6 +3764,16 @@ static int mana_probe_port(struct mana_context *ac, int port_idx,
apc->link_cfg_error = 1;
apc->cqe_coalescing_enable = 0;
+ /* Initialize interrupt moderation settings if supported by HW */
+ if (gc->pf_cap_flags1 & GDMA_PF_CAP_FLAG_1_DYN_INTERRUPT_MODERATION) {
+ apc->intr_modr_rx_usec = MANA_INTR_MODR_USEC_DEF;
+ apc->intr_modr_rx_comp = MANA_INTR_MODR_COMP_DEF;
+ apc->intr_modr_tx_usec = MANA_INTR_MODR_USEC_DEF;
+ apc->intr_modr_tx_comp = MANA_INTR_MODR_COMP_DEF;
+ apc->rx_dim_enabled = MANA_ADAPTIVE_RX_DEF;
+ apc->tx_dim_enabled = MANA_ADAPTIVE_TX_DEF;
+ }
+
mutex_init(&apc->vport_mutex);
apc->vport_use_count = 0;
diff --git a/drivers/net/ethernet/microsoft/mana/mana_ethtool.c b/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
index 881df597d7f9..9e31e2595ae3 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
@@ -419,6 +419,15 @@ static int mana_get_coalesce(struct net_device *ndev,
!kernel_coal->rx_cqe_nsecs)
kernel_coal->rx_cqe_nsecs = MANA_RX_CQE_NSEC_DEF;
+ ec->rx_coalesce_usecs = apc->intr_modr_rx_usec;
+ ec->rx_max_coalesced_frames = apc->intr_modr_rx_comp;
+
+ ec->tx_coalesce_usecs = apc->intr_modr_tx_usec;
+ ec->tx_max_coalesced_frames = apc->intr_modr_tx_comp;
+
+ ec->use_adaptive_rx_coalesce = apc->rx_dim_enabled;
+ ec->use_adaptive_tx_coalesce = apc->tx_dim_enabled;
+
return 0;
}
@@ -428,9 +437,34 @@ static int mana_set_coalesce(struct net_device *ndev,
struct netlink_ext_ack *extack)
{
struct mana_port_context *apc = netdev_priv(ndev);
- u8 saved_cqe_coalescing_enable;
+ struct {
+ u16 intr_modr_rx_usec;
+ u16 intr_modr_rx_comp;
+ u16 intr_modr_tx_usec;
+ u16 intr_modr_tx_comp;
+ u8 cqe_coalescing_enable;
+ bool rx_dim_enabled;
+ bool tx_dim_enabled;
+ } saved;
+ bool modr_changed = false;
+ bool dim_changed = false;
+ struct gdma_context *gc;
int err;
+ gc = apc->ac->gdma_dev->gdma_context;
+
+ /* Both static and dynamic interrupt moderation (DIM) rely on the
+ * same HW capability advertised by the PF.
+ */
+ if ((ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce ||
+ ec->rx_coalesce_usecs || ec->tx_coalesce_usecs ||
+ ec->rx_max_coalesced_frames || ec->tx_max_coalesced_frames) &&
+ !(gc->pf_cap_flags1 & GDMA_PF_CAP_FLAG_1_DYN_INTERRUPT_MODERATION)) {
+ NL_SET_ERR_MSG(extack,
+ "Interrupt Moderation is not supported by HW");
+ return -EOPNOTSUPP;
+ }
+
if (kernel_coal->rx_cqe_frames != 1 &&
kernel_coal->rx_cqe_frames != MANA_RXCOMP_OOB_NUM_PPI) {
NL_SET_ERR_MSG_FMT(extack,
@@ -440,18 +474,129 @@ static int mana_set_coalesce(struct net_device *ndev,
return -EINVAL;
}
- saved_cqe_coalescing_enable = apc->cqe_coalescing_enable;
+ if (ec->rx_coalesce_usecs > MANA_INTR_MODR_USEC_MAX ||
+ ec->tx_coalesce_usecs > MANA_INTR_MODR_USEC_MAX) {
+ NL_SET_ERR_MSG_FMT(extack,
+ "coalesce usecs must be <= %lu",
+ MANA_INTR_MODR_USEC_MAX);
+ return -EINVAL;
+ }
+
+ if (ec->rx_max_coalesced_frames > MANA_INTR_MODR_COMP_MAX ||
+ ec->tx_max_coalesced_frames > MANA_INTR_MODR_COMP_MAX) {
+ NL_SET_ERR_MSG_FMT(extack,
+ "coalesce frames must be <= %lu",
+ MANA_INTR_MODR_COMP_MAX);
+ return -EINVAL;
+ }
+
+ if (ec->rx_coalesce_usecs != apc->intr_modr_rx_usec ||
+ ec->rx_max_coalesced_frames != apc->intr_modr_rx_comp ||
+ ec->tx_coalesce_usecs != apc->intr_modr_tx_usec ||
+ ec->tx_max_coalesced_frames != apc->intr_modr_tx_comp)
+ modr_changed = true;
+
+ saved.intr_modr_rx_usec = apc->intr_modr_rx_usec;
+ saved.intr_modr_rx_comp = apc->intr_modr_rx_comp;
+ saved.intr_modr_tx_usec = apc->intr_modr_tx_usec;
+ saved.intr_modr_tx_comp = apc->intr_modr_tx_comp;
+
+ apc->intr_modr_rx_usec = ec->rx_coalesce_usecs;
+ apc->intr_modr_rx_comp = ec->rx_max_coalesced_frames;
+ apc->intr_modr_tx_usec = ec->tx_coalesce_usecs;
+ apc->intr_modr_tx_comp = ec->tx_max_coalesced_frames;
+
+ if (!!ec->use_adaptive_rx_coalesce != apc->rx_dim_enabled ||
+ !!ec->use_adaptive_tx_coalesce != apc->tx_dim_enabled)
+ dim_changed = true;
+
+ saved.rx_dim_enabled = apc->rx_dim_enabled;
+ saved.tx_dim_enabled = apc->tx_dim_enabled;
+
+ saved.cqe_coalescing_enable = apc->cqe_coalescing_enable;
apc->cqe_coalescing_enable =
kernel_coal->rx_cqe_frames == MANA_RXCOMP_OOB_NUM_PPI;
- if (!apc->port_is_up)
+ if (!apc->port_is_up) {
+ WRITE_ONCE(apc->rx_dim_enabled, !!ec->use_adaptive_rx_coalesce);
+ WRITE_ONCE(apc->tx_dim_enabled, !!ec->use_adaptive_tx_coalesce);
return 0;
+ }
- err = mana_config_rss(apc, TRI_STATE_TRUE, false, false);
- if (err)
- apc->cqe_coalescing_enable = saved_cqe_coalescing_enable;
+ if (apc->cqe_coalescing_enable != saved.cqe_coalescing_enable) {
+ /* CQE coalescing setting is applied via RSS configuration. */
+ err = mana_config_rss(apc, TRI_STATE_TRUE, false, false);
+ if (err) {
+ netdev_err(ndev, "Change CQE coalescing failed: %d\n",
+ err);
+ apc->cqe_coalescing_enable =
+ saved.cqe_coalescing_enable;
+ apc->intr_modr_rx_usec = saved.intr_modr_rx_usec;
+ apc->intr_modr_rx_comp = saved.intr_modr_rx_comp;
+ apc->intr_modr_tx_usec = saved.intr_modr_tx_usec;
+ apc->intr_modr_tx_comp = saved.intr_modr_tx_comp;
+ return err;
+ }
+ }
- return err;
+ if (modr_changed || dim_changed) {
+ bool new_rx_dim = !!ec->use_adaptive_rx_coalesce;
+ bool new_tx_dim = !!ec->use_adaptive_tx_coalesce;
+ bool disable_rx_dim = saved.rx_dim_enabled && !new_rx_dim;
+ bool disable_tx_dim = saved.tx_dim_enabled && !new_tx_dim;
+ bool enable_rx_dim = !saved.rx_dim_enabled && new_rx_dim;
+ bool enable_tx_dim = !saved.tx_dim_enabled && new_tx_dim;
+ int q;
+
+ /* On disable: clear the per-port flag first and
+ * synchronize_net() so any in-flight NAPI poll observes
+ * the new value and will not schedule further DIM work;
+ * then drain pending work and restore the static
+ * moderation values.
+ */
+ if (disable_rx_dim)
+ WRITE_ONCE(apc->rx_dim_enabled, false);
+ if (disable_tx_dim)
+ WRITE_ONCE(apc->tx_dim_enabled, false);
+ if (disable_rx_dim || disable_tx_dim)
+ synchronize_net();
+
+ for (q = 0; q < apc->num_queues; q++) {
+ struct mana_cq *rx_cq = &apc->rxqs[q]->rx_cq;
+ struct mana_cq *tx_cq = &apc->tx_qp[q]->tx_cq;
+
+ if (disable_rx_dim)
+ mana_dim_change(rx_cq, false);
+ else if (enable_rx_dim)
+ mana_dim_change(rx_cq, true);
+ else if (!new_rx_dim && modr_changed)
+ mana_gd_ring_dim(rx_cq->gdma_cq,
+ apc->intr_modr_rx_usec, true,
+ apc->intr_modr_rx_comp, true);
+
+ if (disable_tx_dim)
+ mana_dim_change(tx_cq, false);
+ else if (enable_tx_dim)
+ mana_dim_change(tx_cq, true);
+ else if (!new_tx_dim && modr_changed)
+ mana_gd_ring_dim(tx_cq->gdma_cq,
+ apc->intr_modr_tx_usec, true,
+ apc->intr_modr_tx_comp, true);
+ }
+
+ /* Publish the enable flag with release semantics so a
+ * concurrent NAPI poll that observes it set also sees the DIM
+ * (re)init done by mana_dim_change() above.
+ */
+ if (enable_rx_dim)
+ /* pairs with smp_load_acquire() in mana_update_rx_dim() */
+ smp_store_release(&apc->rx_dim_enabled, true);
+ if (enable_tx_dim)
+ /* pairs with smp_load_acquire() in mana_update_tx_dim() */
+ smp_store_release(&apc->tx_dim_enabled, true);
+ }
+
+ return 0;
}
/* mana_set_channels - change the number of queues on a port
@@ -595,7 +740,13 @@ static int mana_get_link_ksettings(struct net_device *ndev,
}
const struct ethtool_ops mana_ethtool_ops = {
- .supported_coalesce_params = ETHTOOL_COALESCE_RX_CQE_FRAMES,
+ .supported_coalesce_params = ETHTOOL_COALESCE_RX_CQE_FRAMES |
+ ETHTOOL_COALESCE_RX_USECS |
+ ETHTOOL_COALESCE_RX_MAX_FRAMES |
+ ETHTOOL_COALESCE_TX_USECS |
+ ETHTOOL_COALESCE_TX_MAX_FRAMES |
+ ETHTOOL_COALESCE_USE_ADAPTIVE_RX |
+ ETHTOOL_COALESCE_USE_ADAPTIVE_TX,
.op_needs_rtnl = ETHTOOL_OP_NEEDS_RTNL_SCHANNELS |
ETHTOOL_OP_NEEDS_RTNL_SRINGPARAM |
ETHTOOL_OP_NEEDS_RTNL_GLINK,
diff --git a/drivers/net/ethernet/oa_tc6.c b/drivers/net/ethernet/oa_tc6.c
index 0727d53345a3..417c15d1ff42 100644
--- a/drivers/net/ethernet/oa_tc6.c
+++ b/drivers/net/ethernet/oa_tc6.c
@@ -12,46 +12,6 @@
#include <linux/phy.h>
#include <linux/oa_tc6.h>
-/* OPEN Alliance TC6 registers */
-/* Standard Capabilities Register */
-#define OA_TC6_REG_STDCAP 0x0002
-#define STDCAP_DIRECT_PHY_REG_ACCESS BIT(8)
-
-/* Reset Control and Status Register */
-#define OA_TC6_REG_RESET 0x0003
-#define RESET_SWRESET BIT(0) /* Software Reset */
-
-/* Configuration Register #0 */
-#define OA_TC6_REG_CONFIG0 0x0004
-#define CONFIG0_SYNC BIT(15)
-#define CONFIG0_ZARFE_ENABLE BIT(12)
-
-/* Status Register #0 */
-#define OA_TC6_REG_STATUS0 0x0008
-#define STATUS0_RESETC BIT(6) /* Reset Complete */
-#define STATUS0_HEADER_ERROR BIT(5)
-#define STATUS0_LOSS_OF_FRAME_ERROR BIT(4)
-#define STATUS0_RX_BUFFER_OVERFLOW_ERROR BIT(3)
-#define STATUS0_TX_PROTOCOL_ERROR BIT(0)
-
-/* Buffer Status Register */
-#define OA_TC6_REG_BUFFER_STATUS 0x000B
-#define BUFFER_STATUS_TX_CREDITS_AVAILABLE GENMASK(15, 8)
-#define BUFFER_STATUS_RX_CHUNKS_AVAILABLE GENMASK(7, 0)
-
-/* Interrupt Mask Register #0 */
-#define OA_TC6_REG_INT_MASK0 0x000C
-#define INT_MASK0_HEADER_ERR_MASK BIT(5)
-#define INT_MASK0_LOSS_OF_FRAME_ERR_MASK BIT(4)
-#define INT_MASK0_RX_BUFFER_OVERFLOW_ERR_MASK BIT(3)
-#define INT_MASK0_TX_PROTOCOL_ERR_MASK BIT(0)
-#define INT_MASK0_ALL_INTERRUPTS (GENMASK(5, 0) | \
- GENMASK(12, 7))
-
-/* PHY Clause 22 registers base address and mask */
-#define OA_TC6_PHY_STD_REG_ADDR_BASE 0xFF00
-#define OA_TC6_PHY_STD_REG_ADDR_MASK 0x1F
-
/* Control command header */
#define OA_TC6_CTRL_HEADER_DATA_NOT_CTRL BIT(31)
#define OA_TC6_CTRL_HEADER_WRITE_NOT_READ BIT(29)
@@ -81,23 +41,17 @@
#define OA_TC6_DATA_FOOTER_END_BYTE_OFFSET GENMASK(13, 8)
#define OA_TC6_DATA_FOOTER_TX_CREDITS GENMASK(5, 1)
-/* PHY – Clause 45 registers memory map selector (MMS) as per table 6 in the
- * OPEN Alliance specification.
- */
-#define OA_TC6_PHY_C45_PCS_MMS2 2 /* MMD 3 */
-#define OA_TC6_PHY_C45_PMA_PMD_MMS3 3 /* MMD 1 */
-#define OA_TC6_PHY_C45_VS_PLCA_MMS4 4 /* MMD 31 */
-#define OA_TC6_PHY_C45_AUTO_NEG_MMS5 5 /* MMD 7 */
-#define OA_TC6_PHY_C45_POWER_UNIT_MMS6 6 /* MMD 13 */
-
+#define OA_TC6_CTRL_PROT_REPLY_SIZE 4
#define OA_TC6_CTRL_HEADER_SIZE 4
#define OA_TC6_CTRL_REG_VALUE_SIZE 4
#define OA_TC6_CTRL_IGNORED_SIZE 4
#define OA_TC6_CTRL_MAX_REGISTERS 128
-#define OA_TC6_CTRL_SPI_BUF_SIZE (OA_TC6_CTRL_HEADER_SIZE +\
- (OA_TC6_CTRL_MAX_REGISTERS *\
- OA_TC6_CTRL_REG_VALUE_SIZE) +\
- OA_TC6_CTRL_IGNORED_SIZE)
+#define OA_TC6_CTRL_SPI_BUF_SIZE (OA_TC6_CTRL_HEADER_SIZE +\
+ (OA_TC6_CTRL_MAX_REGISTERS *\
+ (OA_TC6_CTRL_REG_VALUE_SIZE +\
+ OA_TC6_CTRL_PROT_REPLY_SIZE)) +\
+ OA_TC6_CTRL_IGNORED_SIZE)
+
#define OA_TC6_CHUNK_PAYLOAD_SIZE 64
#define OA_TC6_DATA_HEADER_SIZE 4
#define OA_TC6_CHUNK_SIZE (OA_TC6_DATA_HEADER_SIZE +\
@@ -108,6 +62,8 @@
#define STATUS0_RESETC_POLL_DELAY 1000
#define STATUS0_RESETC_POLL_TIMEOUT 1000000
+#define OA_TC6_REG_MMS_MASK GENMASK(19, 16)
+
/* Internal structure for MAC-PHY drivers */
struct oa_tc6 {
struct net_device *netdev;
@@ -130,6 +86,8 @@ struct oa_tc6 {
bool rx_buf_overflow;
bool int_flag;
bool disable_traffic;
+ bool prot_ctrl;
+ enum oa_tc6_quirk_flag quirk_flags;
};
enum oa_tc6_header_type {
@@ -213,25 +171,36 @@ static void oa_tc6_update_ctrl_write_data(struct oa_tc6 *tc6, u32 value[],
{
__be32 *tx_buf = tc6->spi_ctrl_tx_buf + OA_TC6_CTRL_HEADER_SIZE;
- for (int i = 0; i < length; i++)
+ for (int i = 0; i < length; i++) {
*tx_buf++ = cpu_to_be32(value[i]);
+ if (tc6->prot_ctrl)
+ *tx_buf++ = cpu_to_be32(~value[i]);
+ }
}
-static u16 oa_tc6_calculate_ctrl_buf_size(u8 length)
+static u16 oa_tc6_calculate_ctrl_buf_size(u8 length, bool ctrl_prot)
{
+ u32 reply_size = OA_TC6_CTRL_REG_VALUE_SIZE;
+
+ if (ctrl_prot)
+ reply_size += OA_TC6_CTRL_PROT_REPLY_SIZE;
+
/* Control command consists 4 bytes header + 4 bytes register value for
- * each register + 4 bytes ignored value.
+ * each register (+ 4 bytes for the register value complement in case
+ * protected mode is used) + 4 bytes ignored value.
*/
- return OA_TC6_CTRL_HEADER_SIZE + OA_TC6_CTRL_REG_VALUE_SIZE * length +
+ return OA_TC6_CTRL_HEADER_SIZE + reply_size * length +
OA_TC6_CTRL_IGNORED_SIZE;
}
static void oa_tc6_prepare_ctrl_spi_buf(struct oa_tc6 *tc6, u32 address,
u32 value[], u8 length,
- enum oa_tc6_register_op reg_op)
+ enum oa_tc6_register_op reg_op,
+ u16 buf_size)
{
__be32 *tx_buf = tc6->spi_ctrl_tx_buf;
+ memset(tx_buf, 0, buf_size);
*tx_buf = oa_tc6_prepare_ctrl_header(address, length, reg_op);
if (reg_op == OA_TC6_CTRL_REG_WRITE)
@@ -254,10 +223,12 @@ static int oa_tc6_check_ctrl_write_reply(struct oa_tc6 *tc6, u8 size)
return 0;
}
-static int oa_tc6_check_ctrl_read_reply(struct oa_tc6 *tc6, u8 size)
+static int oa_tc6_check_ctrl_read_reply(struct oa_tc6 *tc6, u8 length)
{
- u32 *rx_buf = tc6->spi_ctrl_rx_buf + OA_TC6_CTRL_IGNORED_SIZE;
- u32 *tx_buf = tc6->spi_ctrl_tx_buf;
+ __be32 *rx_buf = tc6->spi_ctrl_rx_buf + OA_TC6_CTRL_IGNORED_SIZE;
+ __be32 *tx_buf = tc6->spi_ctrl_tx_buf;
+ u32 complement;
+ u32 reply;
/* The echoed control read header must match with the one that was
* transmitted.
@@ -265,6 +236,20 @@ static int oa_tc6_check_ctrl_read_reply(struct oa_tc6 *tc6, u8 size)
if (*tx_buf != *rx_buf)
return -EPROTO;
+ if (tc6->prot_ctrl) {
+ /* Skip past the echoed header to the value/complement pairs */
+ rx_buf += 1;
+ for (int i = 0; i < length; i++) {
+ reply = be32_to_cpu(rx_buf[0]);
+ complement = be32_to_cpu(rx_buf[1]);
+
+ if (complement != ~reply)
+ return -EPROTO;
+
+ rx_buf += 2;
+ }
+ }
+
return 0;
}
@@ -274,8 +259,13 @@ static void oa_tc6_copy_ctrl_read_data(struct oa_tc6 *tc6, u32 value[],
__be32 *rx_buf = tc6->spi_ctrl_rx_buf + OA_TC6_CTRL_IGNORED_SIZE +
OA_TC6_CTRL_HEADER_SIZE;
- for (int i = 0; i < length; i++)
+ for (int i = 0; i < length; i++) {
value[i] = be32_to_cpu(*rx_buf++);
+
+ /* skip complement word */
+ if (tc6->prot_ctrl)
+ rx_buf++;
+ }
}
static int oa_tc6_perform_ctrl(struct oa_tc6 *tc6, u32 address, u32 value[],
@@ -284,10 +274,10 @@ static int oa_tc6_perform_ctrl(struct oa_tc6 *tc6, u32 address, u32 value[],
u16 size;
int ret;
- /* Prepare control command and copy to SPI control buffer */
- oa_tc6_prepare_ctrl_spi_buf(tc6, address, value, length, reg_op);
+ size = oa_tc6_calculate_ctrl_buf_size(length, tc6->prot_ctrl);
- size = oa_tc6_calculate_ctrl_buf_size(length);
+ /* Prepare control command and copy to SPI control buffer */
+ oa_tc6_prepare_ctrl_spi_buf(tc6, address, value, length, reg_op, size);
/* Perform SPI transfer */
ret = oa_tc6_spi_transfer(tc6, OA_TC6_CTRL_HEADER, size);
@@ -302,7 +292,7 @@ static int oa_tc6_perform_ctrl(struct oa_tc6 *tc6, u32 address, u32 value[],
return oa_tc6_check_ctrl_write_reply(tc6, size);
/* Check echoed/received control read command reply for errors */
- ret = oa_tc6_check_ctrl_read_reply(tc6, size);
+ ret = oa_tc6_check_ctrl_read_reply(tc6, length);
if (ret)
return ret;
@@ -356,6 +346,27 @@ int oa_tc6_read_register(struct oa_tc6 *tc6, u32 address, u32 *value)
EXPORT_SYMBOL_GPL(oa_tc6_read_register);
/**
+ * oa_tc6_read_register_mms - function for reading a MAC-PHY register in a
+ * specified memory map.
+ * @tc6: oa_tc6 struct.
+ * @mms: Memory map selector for the register.
+ * @address: register address of the MAC-PHY to be read.
+ * @value: value read from the @address register address of the MAC-PHY.
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int oa_tc6_read_register_mms(struct oa_tc6 *tc6, u8 mms, u16 address,
+ u32 *value)
+{
+ u32 mms_reg;
+
+ mms_reg = FIELD_PREP(OA_TC6_REG_MMS_MASK, mms) | address;
+
+ return oa_tc6_read_registers(tc6, mms_reg, value, 1);
+}
+EXPORT_SYMBOL_GPL(oa_tc6_read_register_mms);
+
+/**
* oa_tc6_write_registers - function for writing multiple consecutive registers.
* @tc6: oa_tc6 struct.
* @address: address of the first register to be written in the MAC-PHY.
@@ -399,6 +410,27 @@ int oa_tc6_write_register(struct oa_tc6 *tc6, u32 address, u32 value)
}
EXPORT_SYMBOL_GPL(oa_tc6_write_register);
+/**
+ * oa_tc6_write_register_mms - function for writing a MAC-PHY register in a
+ * specified memory map.
+ * @tc6: oa_tc6 struct.
+ * @mms: Memory map selector for the register.
+ * @address: register address of the MAC-PHY to be written.
+ * @value: value to be written in the @address register address of the MAC-PHY.
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int oa_tc6_write_register_mms(struct oa_tc6 *tc6, u8 mms, u16 address,
+ u32 value)
+{
+ u32 mms_reg;
+
+ mms_reg = FIELD_PREP(OA_TC6_REG_MMS_MASK, mms) | address;
+
+ return oa_tc6_write_registers(tc6, mms_reg, &value, 1);
+}
+EXPORT_SYMBOL_GPL(oa_tc6_write_register_mms);
+
static int oa_tc6_check_phy_reg_direct_access_capability(struct oa_tc6 *tc6)
{
u32 regval;
@@ -408,7 +440,7 @@ static int oa_tc6_check_phy_reg_direct_access_capability(struct oa_tc6 *tc6)
if (ret)
return ret;
- if (!(regval & STDCAP_DIRECT_PHY_REG_ACCESS))
+ if (!(regval & OA_TC6_STDCAP_DIRECT_PHY_REG_ACCESS))
return -ENODEV;
return 0;
@@ -462,36 +494,39 @@ static int oa_tc6_get_phy_c45_mms(int devnum)
}
}
-static int oa_tc6_mdiobus_read_c45(struct mii_bus *bus, int addr, int devnum,
- int regnum)
+int oa_tc6_mdiobus_read_c45(struct mii_bus *bus, int addr, int devnum,
+ int regnum)
{
struct oa_tc6 *tc6 = bus->priv;
u32 regval;
+ int mms;
int ret;
- ret = oa_tc6_get_phy_c45_mms(devnum);
- if (ret < 0)
- return ret;
+ mms = oa_tc6_get_phy_c45_mms(devnum);
+ if (mms < 0)
+ return mms;
- ret = oa_tc6_read_register(tc6, (ret << 16) | regnum, &regval);
+ ret = oa_tc6_read_register_mms(tc6, mms, regnum, &regval);
if (ret)
return ret;
return regval;
}
+EXPORT_SYMBOL_GPL(oa_tc6_mdiobus_read_c45);
-static int oa_tc6_mdiobus_write_c45(struct mii_bus *bus, int addr, int devnum,
- int regnum, u16 val)
+int oa_tc6_mdiobus_write_c45(struct mii_bus *bus, int addr, int devnum,
+ int regnum, u16 val)
{
struct oa_tc6 *tc6 = bus->priv;
- int ret;
+ int mms;
- ret = oa_tc6_get_phy_c45_mms(devnum);
- if (ret < 0)
- return ret;
+ mms = oa_tc6_get_phy_c45_mms(devnum);
+ if (mms < 0)
+ return mms;
- return oa_tc6_write_register(tc6, (ret << 16) | regnum, val);
+ return oa_tc6_write_register_mms(tc6, mms, regnum, val);
}
+EXPORT_SYMBOL_GPL(oa_tc6_mdiobus_write_c45);
static int oa_tc6_mdiobus_register(struct oa_tc6 *tc6)
{
@@ -544,6 +579,9 @@ static int oa_tc6_phy_init(struct oa_tc6 *tc6)
{
int ret;
+ if (tc6->quirk_flags & OA_TC6_BROKEN_PHY)
+ return 0;
+
ret = oa_tc6_check_phy_reg_direct_access_capability(tc6);
if (ret) {
netdev_err(tc6->netdev,
@@ -580,6 +618,9 @@ static int oa_tc6_phy_init(struct oa_tc6 *tc6)
static void oa_tc6_phy_exit(struct oa_tc6 *tc6)
{
+ if (tc6->quirk_flags & OA_TC6_BROKEN_PHY)
+ return;
+
phy_disconnect(tc6->phydev);
oa_tc6_mdiobus_unregister(tc6);
}
@@ -601,7 +642,7 @@ static int oa_tc6_read_status0(struct oa_tc6 *tc6)
static int oa_tc6_sw_reset_macphy(struct oa_tc6 *tc6)
{
- u32 regval = RESET_SWRESET;
+ u32 regval = OA_TC6_RESET_SWRESET;
int ret;
ret = oa_tc6_write_register(tc6, OA_TC6_REG_RESET, regval);
@@ -610,7 +651,7 @@ static int oa_tc6_sw_reset_macphy(struct oa_tc6 *tc6)
/* Poll for soft reset complete for every 1ms until 1s timeout */
ret = readx_poll_timeout(oa_tc6_read_status0, tc6, regval,
- regval & STATUS0_RESETC,
+ regval & OA_TC6_STATUS0_RESETC,
STATUS0_RESETC_POLL_DELAY,
STATUS0_RESETC_POLL_TIMEOUT);
if (ret)
@@ -629,10 +670,10 @@ static int oa_tc6_unmask_macphy_error_interrupts(struct oa_tc6 *tc6)
if (ret)
return ret;
- regval &= ~(INT_MASK0_TX_PROTOCOL_ERR_MASK |
- INT_MASK0_RX_BUFFER_OVERFLOW_ERR_MASK |
- INT_MASK0_LOSS_OF_FRAME_ERR_MASK |
- INT_MASK0_HEADER_ERR_MASK);
+ regval &= ~(OA_TC6_INT_MASK0_TX_PROTOCOL_ERR_MASK |
+ OA_TC6_INT_MASK0_RX_BUFFER_OVERFLOW_ERR_MASK |
+ OA_TC6_INT_MASK0_LOSS_OF_FRAME_ERR_MASK |
+ OA_TC6_INT_MASK0_HEADER_ERR_MASK);
return oa_tc6_write_register(tc6, OA_TC6_REG_INT_MASK0, regval);
}
@@ -647,7 +688,7 @@ static int oa_tc6_enable_data_transfer(struct oa_tc6 *tc6)
return ret;
/* Enable configuration synchronization for data transfer */
- value |= CONFIG0_SYNC;
+ value |= OA_TC6_CONFIG0_SYNC;
return oa_tc6_write_register(tc6, OA_TC6_REG_CONFIG0, value);
}
@@ -692,7 +733,7 @@ static void oa_tc6_free_pending_skbs(struct oa_tc6 *tc6)
*/
static void oa_tc6_disable_traffic(struct oa_tc6 *tc6)
{
- u32 regval = INT_MASK0_ALL_INTERRUPTS;
+ u32 regval = OA_TC6_INT_MASK0_ALL_INTERRUPTS;
tc6->disable_traffic = true;
oa_tc6_free_pending_skbs(tc6);
@@ -722,25 +763,25 @@ static int oa_tc6_process_extended_status(struct oa_tc6 *tc6)
return ret;
}
- if (FIELD_GET(STATUS0_RX_BUFFER_OVERFLOW_ERROR, value)) {
+ if (FIELD_GET(OA_TC6_STATUS0_RX_BUFFER_OVERFLOW_ERROR, value)) {
tc6->rx_buf_overflow = true;
oa_tc6_cleanup_ongoing_rx_skb(tc6);
net_err_ratelimited("%s: Receive buffer overflow error\n",
tc6->netdev->name);
return -EAGAIN;
}
- if (FIELD_GET(STATUS0_TX_PROTOCOL_ERROR, value)) {
+ if (FIELD_GET(OA_TC6_STATUS0_TX_PROTOCOL_ERROR, value)) {
netdev_err(tc6->netdev, "Transmit protocol error\n");
return -ENODEV;
}
/* TODO: Currently loss of frame and header errors are treated as
* non-recoverable errors. They will be handled in the next version.
*/
- if (FIELD_GET(STATUS0_LOSS_OF_FRAME_ERROR, value)) {
+ if (FIELD_GET(OA_TC6_STATUS0_LOSS_OF_FRAME_ERROR, value)) {
netdev_err(tc6->netdev, "Loss of frame error\n");
return -ENODEV;
}
- if (FIELD_GET(STATUS0_HEADER_ERROR, value)) {
+ if (FIELD_GET(OA_TC6_STATUS0_HEADER_ERROR, value)) {
netdev_err(tc6->netdev, "Header error\n");
return -ENODEV;
}
@@ -1187,9 +1228,10 @@ static int oa_tc6_update_buffer_status_from_register(struct oa_tc6 *tc6)
if (ret)
return ret;
- tc6->tx_credits = FIELD_GET(BUFFER_STATUS_TX_CREDITS_AVAILABLE, value);
- tc6->rx_chunks_available = FIELD_GET(BUFFER_STATUS_RX_CHUNKS_AVAILABLE,
- value);
+ tc6->tx_credits = FIELD_GET(OA_TC6_BUFFER_STATUS_TX_CREDITS_AVAILABLE,
+ value);
+ tc6->rx_chunks_available =
+ FIELD_GET(OA_TC6_BUFFER_STATUS_RX_CHUNKS_AVAILABLE, value);
return 0;
}
@@ -1233,7 +1275,7 @@ int oa_tc6_zero_align_receive_frame_enable(struct oa_tc6 *tc6)
return ret;
/* Set Zero-Align Receive Frame Enable */
- regval |= CONFIG0_ZARFE_ENABLE;
+ regval |= OA_TC6_CONFIG0_ZARFE_ENABLE;
return oa_tc6_write_register(tc6, OA_TC6_REG_CONFIG0, regval);
}
@@ -1272,15 +1314,31 @@ netdev_tx_t oa_tc6_start_xmit(struct oa_tc6 *tc6, struct sk_buff *skb)
}
EXPORT_SYMBOL_GPL(oa_tc6_start_xmit);
+static int oa_tc6_check_ctrl_protection(struct oa_tc6 *tc6)
+{
+ u32 regval;
+ int ret;
+
+ ret = oa_tc6_read_register(tc6, OA_TC6_REG_CONFIG0, &regval);
+ if (ret)
+ return ret;
+
+ tc6->prot_ctrl = FIELD_GET(OA_TC6_CONFIG0_PROTE, regval);
+
+ return 0;
+}
+
/**
* oa_tc6_init - allocates and initializes oa_tc6 structure.
* @spi: device with which data will be exchanged.
* @netdev: network device interface structure.
+ * @quirks: device specific modifiers for the OA TC6 protocol.
*
* Return: pointer reference to the oa_tc6 structure if the MAC-PHY
* initialization is successful otherwise NULL.
*/
-struct oa_tc6 *oa_tc6_init(struct spi_device *spi, struct net_device *netdev)
+struct oa_tc6 *oa_tc6_init(struct spi_device *spi, struct net_device *netdev,
+ struct oa_tc6_quirks *quirks)
{
struct oa_tc6 *tc6;
int ret;
@@ -1295,6 +1353,9 @@ struct oa_tc6 *oa_tc6_init(struct spi_device *spi, struct net_device *netdev)
mutex_init(&tc6->spi_ctrl_lock);
spin_lock_init(&tc6->tx_skb_lock);
+ if (quirks)
+ tc6->quirk_flags = quirks->quirk_flags;
+
/* Set the SPI controller to pump at realtime priority */
tc6->spi->rt = true;
if (spi_setup(tc6->spi) < 0)
@@ -1324,6 +1385,14 @@ struct oa_tc6 *oa_tc6_init(struct spi_device *spi, struct net_device *netdev)
if (!tc6->spi_data_rx_buf)
return NULL;
+ /* Check the PROTE bit status so that we can reset the device */
+ ret = oa_tc6_check_ctrl_protection(tc6);
+ if (ret) {
+ dev_err(&tc6->spi->dev,
+ "Failed to check the protection mode: %d\n", ret);
+ return NULL;
+ }
+
ret = oa_tc6_sw_reset_macphy(tc6);
if (ret) {
dev_err(&tc6->spi->dev,
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
index 48b94ce77490..88c5c52e0e38 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
@@ -16,7 +16,7 @@
#include <linux/net_tstamp.h>
#include <linux/ptp_classify.h>
#include <linux/ptp_pch.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#define PCH_GBE_MAR_ENTRIES 16
#define PCH_GBE_SHORT_PKT 64
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
index 528114877677..c999754afb5f 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
@@ -558,18 +558,15 @@ struct sync_item {
void ionic_rx_filter_sync(struct ionic_lif *lif)
{
struct device *dev = lif->ionic->dev;
- struct list_head sync_add_list;
- struct list_head sync_del_list;
struct sync_item *sync_item;
struct ionic_rx_filter *f;
+ LIST_HEAD(sync_add_list);
+ LIST_HEAD(sync_del_list);
struct hlist_head *head;
struct hlist_node *tmp;
struct sync_item *spos;
unsigned int i;
- INIT_LIST_HEAD(&sync_add_list);
- INIT_LIST_HEAD(&sync_del_list);
-
clear_bit(IONIC_LIF_F_FILTER_SYNC_NEEDED, lif->state);
/* Copy the filters to be added and deleted
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
index 3a5c25026858..19c2b870feed 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
@@ -639,7 +639,7 @@ qed_dcbx_get_operational_params(struct qed_hwfn *p_hwfn,
flags = p_hwfn->p_dcbx_info->operational.flags;
/* If DCBx version is non zero, then negotiation
- * was successfuly performed
+ * was successfully performed
*/
p_operational = &params->operational;
enabled = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) !=
diff --git a/drivers/net/ethernet/qualcomm/ppe/ppe.c b/drivers/net/ethernet/qualcomm/ppe/ppe.c
index be747510d947..3c301e609d3e 100644
--- a/drivers/net/ethernet/qualcomm/ppe/ppe.c
+++ b/drivers/net/ethernet/qualcomm/ppe/ppe.c
@@ -106,7 +106,6 @@ static const struct regmap_config regmap_config_ipq9574 = {
.rd_table = &ppe_reg_table,
.wr_table = &ppe_reg_table,
.max_register = 0xbef800,
- .fast_io = true,
};
static int ppe_clock_init_and_reset(struct ppe_device *ppe_dev)
diff --git a/drivers/net/ethernet/qualcomm/ppe/ppe_config.c b/drivers/net/ethernet/qualcomm/ppe/ppe_config.c
index e9a0e22907a6..125b73be92b1 100644
--- a/drivers/net/ethernet/qualcomm/ppe/ppe_config.c
+++ b/drivers/net/ethernet/qualcomm/ppe/ppe_config.c
@@ -1367,7 +1367,8 @@ int ppe_rss_hash_config_set(struct ppe_device *ppe_dev, int mode,
*
* Return: 0 on success, negative error code on failure.
*/
-int ppe_ring_queue_map_set(struct ppe_device *ppe_dev, int ring_id, u32 *queue_map)
+int ppe_ring_queue_map_set(struct ppe_device *ppe_dev, int ring_id,
+ const u32 *queue_map)
{
u32 reg, queue_bitmap_val[PPE_RING_TO_QUEUE_BITMAP_WORD_CNT];
@@ -1380,7 +1381,7 @@ int ppe_ring_queue_map_set(struct ppe_device *ppe_dev, int ring_id, u32 *queue_m
}
static int ppe_config_bm_threshold(struct ppe_device *ppe_dev, int bm_port_id,
- const struct ppe_bm_port_config port_cfg)
+ struct ppe_bm_port_config port_cfg)
{
u32 reg, val, bm_fc_val[2];
int ret;
@@ -1586,7 +1587,7 @@ qm_config_fail:
}
static int ppe_node_scheduler_config(struct ppe_device *ppe_dev,
- const struct ppe_scheduler_port_config config)
+ struct ppe_scheduler_port_config config)
{
struct ppe_scheduler_cfg sch_cfg;
int ret, i;
diff --git a/drivers/net/ethernet/qualcomm/ppe/ppe_config.h b/drivers/net/ethernet/qualcomm/ppe/ppe_config.h
index 4bb45ca40144..60493e51e0a4 100644
--- a/drivers/net/ethernet/qualcomm/ppe/ppe_config.h
+++ b/drivers/net/ethernet/qualcomm/ppe/ppe_config.h
@@ -313,5 +313,5 @@ int ppe_rss_hash_config_set(struct ppe_device *ppe_dev, int mode,
struct ppe_rss_hash_cfg hash_cfg);
int ppe_ring_queue_map_set(struct ppe_device *ppe_dev,
int ring_id,
- u32 *queue_map);
+ const u32 *queue_map);
#endif
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
index 78d4df55740a..bed6f63facf2 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
@@ -423,7 +423,8 @@ struct rmnet_endpoint *rmnet_get_endpoint(struct rmnet_port *port, u8 mux_id)
{
struct rmnet_endpoint *ep;
- hlist_for_each_entry_rcu(ep, &port->muxed_ep[mux_id], hlnode) {
+ hlist_for_each_entry_rcu(ep, &port->muxed_ep[mux_id], hlnode,
+ lockdep_rtnl_is_held()) {
if (ep->mux_id == mux_id)
return ep;
}
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c
index 2eccc7617507..e4701b29e1a0 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c
@@ -82,7 +82,6 @@ static int sxgbe_platform_probe(struct platform_device *pdev)
void __iomem *addr;
struct sxgbe_priv_data *priv = NULL;
struct sxgbe_plat_data *plat_dat = NULL;
- struct net_device *ndev = platform_get_drvdata(pdev);
struct device_node *node = dev->of_node;
/* Get memory resource */
@@ -158,7 +157,7 @@ err_tx_irq_unmap:
irq_dispose_mapping(priv->txq[i]->irq_no);
irq_dispose_mapping(priv->irq);
err_drv_remove:
- sxgbe_drv_remove(ndev);
+ sxgbe_drv_remove(priv->dev);
err_out:
return -ENODEV;
}
diff --git a/drivers/net/ethernet/sfc/Kconfig b/drivers/net/ethernet/sfc/Kconfig
index c4c43434f314..979f2801e2a8 100644
--- a/drivers/net/ethernet/sfc/Kconfig
+++ b/drivers/net/ethernet/sfc/Kconfig
@@ -66,6 +66,15 @@ config SFC_MCDI_LOGGING
Driver-Interface) commands and responses, allowing debugging of
driver/firmware interaction. The tracing is actually enabled by
a sysfs file 'mcdi_logging' under the PCI device.
+config SFC_CXL
+ bool "Solarflare SFC9100-family CXL support"
+ depends on SFC && CXL_BUS >= SFC
+ default SFC
+ help
+ This enables SFC CXL support if the kernel is configuring CXL for
+ using CTPIO with CXL.mem. The SFC device with CXL support and
+ with a CXL-aware firmware can be used for minimizing latencies
+ when sending through CTPIO.
source "drivers/net/ethernet/sfc/falcon/Kconfig"
source "drivers/net/ethernet/sfc/siena/Kconfig"
diff --git a/drivers/net/ethernet/sfc/Makefile b/drivers/net/ethernet/sfc/Makefile
index d99039ec468d..bb0f1891cde6 100644
--- a/drivers/net/ethernet/sfc/Makefile
+++ b/drivers/net/ethernet/sfc/Makefile
@@ -13,6 +13,7 @@ sfc-$(CONFIG_SFC_SRIOV) += sriov.o ef10_sriov.o ef100_sriov.o ef100_rep.o \
mae.o tc.o tc_bindings.o tc_counters.o \
tc_encap_actions.o tc_conntrack.o
+sfc-$(CONFIG_SFC_CXL) += efx_cxl.o
obj-$(CONFIG_SFC) += sfc.o
obj-$(CONFIG_SFC_FALCON) += falcon/
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 7e04f115bbaa..73bc064929f6 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -24,6 +24,7 @@
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <net/udp_tunnel.h>
+#include "efx_cxl.h"
/* Hardware control for EF10 architecture including 'Huntington'. */
@@ -106,7 +107,7 @@ static int efx_ef10_get_vf_index(struct efx_nic *efx)
static int efx_ef10_init_datapath_caps(struct efx_nic *efx)
{
- MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_V4_OUT_LEN);
+ MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_V7_OUT_LEN);
struct efx_ef10_nic_data *nic_data = efx->nic_data;
size_t outlen;
int rc;
@@ -177,6 +178,12 @@ static int efx_ef10_init_datapath_caps(struct efx_nic *efx)
efx->num_mac_stats);
}
+ if (outlen < MC_CMD_GET_CAPABILITIES_V7_OUT_LEN)
+ nic_data->datapath_caps3 = 0;
+ else
+ nic_data->datapath_caps3 = MCDI_DWORD(outbuf,
+ GET_CAPABILITIES_V7_OUT_FLAGS3);
+
return 0;
}
@@ -1140,6 +1147,9 @@ static int efx_ef10_dimension_resources(struct efx_nic *efx)
unsigned int channel_vis, pio_write_vi_base, max_vis;
struct efx_ef10_nic_data *nic_data = efx->nic_data;
unsigned int uc_mem_map_size, wc_mem_map_size;
+#ifdef CONFIG_SFC_CXL
+ struct efx_probe_data *probe_data;
+#endif
void __iomem *membase;
int rc;
@@ -1263,8 +1273,23 @@ static int efx_ef10_dimension_resources(struct efx_nic *efx)
iounmap(efx->membase);
efx->membase = membase;
- /* Set up the WC mapping if needed */
- if (wc_mem_map_size) {
+ if (!wc_mem_map_size)
+ goto skip_pio;
+
+ /* Set up the WC mapping */
+
+#ifdef CONFIG_SFC_CXL
+ probe_data = container_of(efx, struct efx_probe_data, efx);
+ if ((nic_data->datapath_caps3 &
+ (1 << MC_CMD_GET_CAPABILITIES_V7_OUT_CXL_CONFIG_ENABLE_LBN)) &&
+ probe_data->cxl_pio_initialised) {
+ /* Using PIO through CXL mapping */
+ nic_data->pio_write_base = probe_data->cxl->ctpio_cxl;
+ nic_data->pio_write_vi_base = pio_write_vi_base;
+ } else
+#endif
+ {
+ /* Using legacy PIO BAR mapping */
nic_data->wc_membase = ioremap_wc(efx->membase_phys +
uc_mem_map_size,
wc_mem_map_size);
@@ -1279,12 +1304,14 @@ static int efx_ef10_dimension_resources(struct efx_nic *efx)
nic_data->wc_membase +
(pio_write_vi_base * efx->vi_stride + ER_DZ_TX_PIOBUF -
uc_mem_map_size);
-
- rc = efx_ef10_link_piobufs(efx);
- if (rc)
- efx_ef10_free_piobufs(efx);
}
+ rc = efx_ef10_link_piobufs(efx);
+ if (rc)
+ efx_ef10_free_piobufs(efx);
+
+skip_pio:
+
netif_dbg(efx, probe, efx->net_dev,
"memory BAR at %pa (virtual %p+%x UC, %p+%x WC)\n",
&efx->membase_phys, efx->membase, uc_mem_map_size,
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 8f136a11d396..3806cd3dd7f4 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -34,6 +34,7 @@
#include "selftest.h"
#include "sriov.h"
#include "efx_devlink.h"
+#include "efx_cxl.h"
#include "mcdi_port_common.h"
#include "mcdi_pcol.h"
@@ -981,12 +982,15 @@ static void efx_pci_remove(struct pci_dev *pci_dev)
efx_pci_remove_main(efx);
efx_fini_io(efx);
+
+ probe_data = container_of(efx, struct efx_probe_data, efx);
+ efx_cxl_exit(probe_data);
+
pci_dbg(efx->pci_dev, "shutdown successful\n");
efx_fini_devlink_and_unlock(efx);
efx_fini_struct(efx);
free_netdev(efx->net_dev);
- probe_data = container_of(efx, struct efx_probe_data, efx);
kfree(probe_data);
};
@@ -1190,6 +1194,17 @@ static int efx_pci_probe(struct pci_dev *pci_dev,
if (rc)
goto fail2;
+ /* A successful cxl initialization implies a CXL region created to be
+ * used for PIO buffers. If there is no CXL support legacy PIO buffers
+ * defined at specific PCI BAR regions will be used. If there is CXL
+ * support and the cxl initialization fails, the driver probe fails.
+ */
+ rc = efx_cxl_init(probe_data);
+ if (rc) {
+ pci_err(pci_dev, "CXL initialization failed with error %d\n", rc);
+ goto fail3;
+ }
+
rc = efx_pci_probe_post_io(efx);
if (rc) {
/* On failure, retry once immediately.
@@ -1228,6 +1243,7 @@ static int efx_pci_probe(struct pci_dev *pci_dev,
return 0;
fail3:
+ efx_cxl_exit(probe_data);
efx_fini_io(efx);
fail2:
efx_fini_struct(efx);
diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c
new file mode 100644
index 000000000000..348d7404cd7a
--- /dev/null
+++ b/drivers/net/ethernet/sfc/efx_cxl.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/****************************************************************************
+ *
+ * Driver for AMD network controllers and boards
+ * Copyright (C) 2025, Advanced Micro Devices, Inc.
+ */
+
+#include <linux/pci.h>
+
+#include <cxl/cxl.h>
+#include <cxl/pci.h>
+#include "net_driver.h"
+#include "efx_cxl.h"
+
+#define EFX_CTPIO_BUFFER_SIZE SZ_256M
+
+int efx_cxl_init(struct efx_probe_data *probe_data)
+{
+ struct efx_nic *efx = &probe_data->efx;
+ struct pci_dev *pci_dev = efx->pci_dev;
+ struct range cxl_pio_range;
+ struct efx_cxl *cxl;
+ u16 dvsec;
+ int rc;
+
+ /* Is the device configured with and using CXL? */
+ if (!pcie_is_cxl(pci_dev))
+ return 0;
+
+ dvsec = pci_find_dvsec_capability(pci_dev, PCI_VENDOR_ID_CXL,
+ PCI_DVSEC_CXL_DEVICE);
+ if (!dvsec) {
+ pci_info(pci_dev, "CXL_DVSEC_PCIE_DEVICE capability not found\n");
+ return 0;
+ }
+
+ pci_dbg(pci_dev, "CXL_DVSEC_PCIE_DEVICE capability found\n");
+
+ /* Create a cxl_dev_state embedded in the cxl struct using cxl core api
+ * specifying no mbox available.
+ */
+ cxl = devm_cxl_dev_state_create(&pci_dev->dev, CXL_DEVTYPE_DEVMEM,
+ pci_get_dsn(pci_dev), dvsec,
+ struct efx_cxl, cxlds, false);
+
+ if (!cxl)
+ return -ENOMEM;
+
+ rc = cxl_pci_setup_regs(pci_dev, CXL_REGLOC_RBI_COMPONENT,
+ &cxl->cxlds.reg_map);
+ if (rc) {
+ pci_err(pci_dev, "No component registers\n");
+ return rc;
+ }
+
+ if (!cxl->cxlds.reg_map.component_map.hdm_decoder.valid) {
+ pci_err(pci_dev, "Expected HDM component register not found\n");
+ return -ENODEV;
+ }
+
+ if (!cxl->cxlds.reg_map.component_map.ras.valid) {
+ pci_err(pci_dev, "Expected RAS component register not found\n");
+ return -ENODEV;
+ }
+
+ /* Set media ready explicitly as there are neither mailbox for checking
+ * this state nor the CXL register involved, both not mandatory for
+ * type2.
+ */
+ cxl->cxlds.media_ready = true;
+
+ if (cxl_set_capacity(&cxl->cxlds, EFX_CTPIO_BUFFER_SIZE)) {
+ pci_err(pci_dev, "dpa capacity setup failed\n");
+ return -ENODEV;
+ }
+
+ cxl->cxlmd = devm_cxl_probe_mem(&cxl->cxlds, &cxl_pio_range);
+ if (IS_ERR(cxl->cxlmd)) {
+ pci_err(pci_dev, "CXL accel memdev creation failed\n");
+ return PTR_ERR(cxl->cxlmd);
+ }
+
+ cxl->ctpio_cxl = ioremap_wc(cxl_pio_range.start,
+ range_len(&cxl_pio_range));
+ if (!cxl->ctpio_cxl) {
+ pci_err(pci_dev, "CXL ioremap region (%pra) failed\n",
+ &cxl_pio_range);
+ return -ENOMEM;
+ }
+
+ probe_data->cxl_pio_initialised = true;
+ probe_data->cxl = cxl;
+
+ return 0;
+}
+
+void efx_cxl_exit(struct efx_probe_data *probe_data)
+{
+ if (!probe_data->cxl)
+ return;
+
+ iounmap(probe_data->cxl->ctpio_cxl);
+}
+
+MODULE_IMPORT_NS("CXL");
diff --git a/drivers/net/ethernet/sfc/efx_cxl.h b/drivers/net/ethernet/sfc/efx_cxl.h
new file mode 100644
index 000000000000..3e2705cb063f
--- /dev/null
+++ b/drivers/net/ethernet/sfc/efx_cxl.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/****************************************************************************
+ * Driver for AMD network controllers and boards
+ * Copyright (C) 2025, Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#ifndef EFX_CXL_H
+#define EFX_CXL_H
+
+#ifdef CONFIG_SFC_CXL
+
+#include <cxl/cxl.h>
+
+struct efx_probe_data;
+
+struct efx_cxl {
+ struct cxl_dev_state cxlds;
+ struct cxl_memdev *cxlmd;
+ void __iomem *ctpio_cxl;
+};
+
+int efx_cxl_init(struct efx_probe_data *probe_data);
+void efx_cxl_exit(struct efx_probe_data *probe_data);
+#else
+static inline int efx_cxl_init(struct efx_probe_data *probe_data) { return 0; }
+static inline void efx_cxl_exit(struct efx_probe_data *probe_data) {}
+#endif
+#endif
diff --git a/drivers/net/ethernet/sfc/falcon/selftest.c b/drivers/net/ethernet/sfc/falcon/selftest.c
index db4dd7fb77f5..4d29e0baf2eb 100644
--- a/drivers/net/ethernet/sfc/falcon/selftest.c
+++ b/drivers/net/ethernet/sfc/falcon/selftest.c
@@ -401,8 +401,8 @@ static void ef4_iterate_state(struct ef4_nic *efx)
/* Initialise udp header */
payload->udp.source = 0;
- payload->udp.len = htons(sizeof(*payload) -
- offsetof(struct ef4_loopback_payload, udp));
+ udp_set_len_short(&payload->udp, sizeof(*payload) -
+ offsetof(struct ef4_loopback_payload, udp));
payload->udp.check = 0; /* checksum ignored */
/* Fill out payload */
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index e65db9b70724..b806d3d90c42 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -7,6 +7,7 @@
#include <linux/delay.h>
#include <linux/moduleparam.h>
#include <linux/atomic.h>
+#include <linux/slab.h>
#include "net_driver.h"
#include "nic.h"
#include "io.h"
@@ -71,7 +72,7 @@ int efx_mcdi_init(struct efx_nic *efx)
mcdi->efx = efx;
#ifdef CONFIG_SFC_MCDI_LOGGING
/* consuming code assumes buffer is page-sized */
- mcdi->logging_buffer = (char *)__get_free_page(GFP_KERNEL);
+ mcdi->logging_buffer = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!mcdi->logging_buffer)
goto fail1;
mcdi->logging_enabled = mcdi_logging_default;
@@ -112,7 +113,7 @@ int efx_mcdi_init(struct efx_nic *efx)
return 0;
fail2:
#ifdef CONFIG_SFC_MCDI_LOGGING
- free_page((unsigned long)mcdi->logging_buffer);
+ kfree(mcdi->logging_buffer);
fail1:
#endif
kfree(efx->mcdi);
@@ -138,7 +139,7 @@ void efx_mcdi_fini(struct efx_nic *efx)
return;
#ifdef CONFIG_SFC_MCDI_LOGGING
- free_page((unsigned long)efx->mcdi->iface.logging_buffer);
+ kfree(efx->mcdi->iface.logging_buffer);
#endif
kfree(efx->mcdi);
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index b98c259f672d..3964b2c56609 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -1197,14 +1197,24 @@ struct efx_nic {
atomic_t n_rx_noskb_drops;
};
+#ifdef CONFIG_SFC_CXL
+struct efx_cxl;
+#endif
+
/**
* struct efx_probe_data - State after hardware probe
* @pci_dev: The PCI device
* @efx: Efx NIC details
+ * @cxl: details of related cxl objects
+ * @cxl_pio_initialised: cxl initialization outcome.
*/
struct efx_probe_data {
struct pci_dev *pci_dev;
struct efx_nic efx;
+#ifdef CONFIG_SFC_CXL
+ struct efx_cxl *cxl;
+ bool cxl_pio_initialised;
+#endif
};
static inline struct efx_nic *efx_netdev_priv(struct net_device *dev)
diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h
index ec3b2df43b68..7480f9995dfb 100644
--- a/drivers/net/ethernet/sfc/nic.h
+++ b/drivers/net/ethernet/sfc/nic.h
@@ -152,6 +152,8 @@ enum {
* %MC_CMD_GET_CAPABILITIES response)
* @datapath_caps2: Further Capabilities of datapath firmware (FLAGS2 field of
* %MC_CMD_GET_CAPABILITIES response)
+ * @datapath_caps3: Further Capabilities of datapath firmware (FLAGS3 field of
+ * %MC_CMD_GET_CAPABILITIES response)
* @rx_dpcpu_fw_id: Firmware ID of the RxDPCPU
* @tx_dpcpu_fw_id: Firmware ID of the TxDPCPU
* @must_probe_vswitching: Flag: vswitching has yet to be setup after MC reboot
@@ -187,6 +189,7 @@ struct efx_ef10_nic_data {
bool must_check_datapath_caps;
u32 datapath_caps;
u32 datapath_caps2;
+ u32 datapath_caps3;
unsigned int rx_dpcpu_fw_id;
unsigned int tx_dpcpu_fw_id;
bool must_probe_vswitching;
diff --git a/drivers/net/ethernet/sfc/selftest.c b/drivers/net/ethernet/sfc/selftest.c
index 8ec76329237a..dc716feb79cb 100644
--- a/drivers/net/ethernet/sfc/selftest.c
+++ b/drivers/net/ethernet/sfc/selftest.c
@@ -398,8 +398,8 @@ static void efx_iterate_state(struct efx_nic *efx)
/* Initialise udp header */
payload->udp.source = 0;
- payload->udp.len = htons(sizeof(*payload) -
- offsetof(struct efx_loopback_payload, udp));
+ udp_set_len_short(&payload->udp, sizeof(*payload) -
+ offsetof(struct efx_loopback_payload, udp));
payload->udp.check = 0; /* checksum ignored */
/* Fill out payload */
diff --git a/drivers/net/ethernet/sfc/siena/mcdi.c b/drivers/net/ethernet/sfc/siena/mcdi.c
index 4d0d6bd5d3d1..048c1e6017c0 100644
--- a/drivers/net/ethernet/sfc/siena/mcdi.c
+++ b/drivers/net/ethernet/sfc/siena/mcdi.c
@@ -7,6 +7,7 @@
#include <linux/delay.h>
#include <linux/moduleparam.h>
#include <linux/atomic.h>
+#include <linux/slab.h>
#include "net_driver.h"
#include "nic.h"
#include "io.h"
@@ -73,7 +74,7 @@ int efx_siena_mcdi_init(struct efx_nic *efx)
mcdi->efx = efx;
#ifdef CONFIG_SFC_SIENA_MCDI_LOGGING
/* consuming code assumes buffer is page-sized */
- mcdi->logging_buffer = (char *)__get_free_page(GFP_KERNEL);
+ mcdi->logging_buffer = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!mcdi->logging_buffer)
goto fail1;
mcdi->logging_enabled = efx_siena_mcdi_logging_default;
@@ -116,7 +117,7 @@ int efx_siena_mcdi_init(struct efx_nic *efx)
return 0;
fail2:
#ifdef CONFIG_SFC_SIENA_MCDI_LOGGING
- free_page((unsigned long)mcdi->logging_buffer);
+ kfree(mcdi->logging_buffer);
fail1:
#endif
kfree(efx->mcdi);
@@ -142,7 +143,7 @@ void efx_siena_mcdi_fini(struct efx_nic *efx)
return;
#ifdef CONFIG_SFC_SIENA_MCDI_LOGGING
- free_page((unsigned long)efx->mcdi->iface.logging_buffer);
+ kfree(efx->mcdi->iface.logging_buffer);
#endif
kfree(efx->mcdi);
diff --git a/drivers/net/ethernet/sfc/siena/selftest.c b/drivers/net/ethernet/sfc/siena/selftest.c
index 930643612df5..c74cf5131364 100644
--- a/drivers/net/ethernet/sfc/siena/selftest.c
+++ b/drivers/net/ethernet/sfc/siena/selftest.c
@@ -399,8 +399,8 @@ static void efx_iterate_state(struct efx_nic *efx)
/* Initialise udp header */
payload->udp.source = 0;
- payload->udp.len = htons(sizeof(*payload) -
- offsetof(struct efx_loopback_payload, udp));
+ udp_set_len_short(&payload->udp, sizeof(*payload) -
+ offsetof(struct efx_loopback_payload, udp));
payload->udp.check = 0; /* checksum ignored */
/* Fill out payload */
diff --git a/drivers/net/ethernet/sfc/tc_encap_actions.c b/drivers/net/ethernet/sfc/tc_encap_actions.c
index db222abef53b..c2ad3a358d20 100644
--- a/drivers/net/ethernet/sfc/tc_encap_actions.c
+++ b/drivers/net/ethernet/sfc/tc_encap_actions.c
@@ -311,7 +311,7 @@ static void efx_gen_tun_header_udp(struct efx_tc_encap_action *encap, u8 len)
encap->encap_hdr_len += sizeof(*udp);
udp->dest = key->tp_dst;
- udp->len = cpu_to_be16(sizeof(*udp) + len);
+ udp_set_len_short(udp, sizeof(*udp) + len);
}
static void efx_gen_tun_header_vxlan(struct efx_tc_encap_action *encap)
diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c
index 39731069d99e..009f37105eaf 100644
--- a/drivers/net/ethernet/sgi/ioc3-eth.c
+++ b/drivers/net/ethernet/sgi/ioc3-eth.c
@@ -967,11 +967,12 @@ static void ioc3eth_remove(struct platform_device *pdev)
struct net_device *dev = platform_get_drvdata(pdev);
struct ioc3_private *ip = netdev_priv(dev);
+ unregister_netdev(dev);
+ timer_delete_sync(&ip->ioc3_timer);
+
dma_free_coherent(ip->dma_dev, RX_RING_SIZE, ip->rxr, ip->rxr_dma);
dma_free_coherent(ip->dma_dev, TX_RING_SIZE + SZ_16K - 1, ip->tx_ring, ip->txr_dma);
- unregister_netdev(dev);
- timer_delete_sync(&ip->ioc3_timer);
free_netdev(dev);
}
@@ -1061,9 +1062,9 @@ static netdev_tx_t ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev)
d1 = dma_map_single(ip->dma_dev, skb->data, s1, DMA_TO_DEVICE);
if (dma_mapping_error(ip->dma_dev, d1))
goto drop_packet;
- d2 = dma_map_single(ip->dma_dev, (void *)b2, s1, DMA_TO_DEVICE);
+ d2 = dma_map_single(ip->dma_dev, (void *)b2, s2, DMA_TO_DEVICE);
if (dma_mapping_error(ip->dma_dev, d2)) {
- dma_unmap_single(ip->dma_dev, d1, len, DMA_TO_DEVICE);
+ dma_unmap_single(ip->dma_dev, d1, s1, DMA_TO_DEVICE);
goto drop_packet;
}
desc->p1 = cpu_to_be64(ioc3_map(d1, PCI64_ATTR_PREF));
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-eic7700.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-eic7700.c
index 4ac979d874d6..eab8c13fbdcc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-eic7700.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-eic7700.c
@@ -28,11 +28,15 @@
/*
* TX/RX Clock Delay Bit Masks:
- * - TX Delay: bits [14:8] — TX_CLK delay (unit: 0.02ns per bit)
- * - RX Delay: bits [30:24] — RX_CLK delay (unit: 0.02ns per bit)
+ * - TX Delay: bits [14:8] - TX_CLK delay (unit: 0.02ns per bit)
+ * - TX Invert : bit [15]
+ * - RX Delay: bits [30:24] - RX_CLK delay (unit: 0.02ns per bit)
+ * - RX Invert : bit [31]
*/
#define EIC7700_ETH_TX_ADJ_DELAY GENMASK(14, 8)
#define EIC7700_ETH_RX_ADJ_DELAY GENMASK(30, 24)
+#define EIC7700_ETH_TX_INV_DELAY BIT(15)
+#define EIC7700_ETH_RX_INV_DELAY BIT(31)
#define EIC7700_MAX_DELAY_STEPS 0x7F
#define EIC7700_DELAY_STEP_PS 20
@@ -43,7 +47,14 @@ static const char * const eic7700_clk_names[] = {
"tx", "axi", "cfg",
};
+struct eic7700_dwmac_data {
+ bool rgmii_rx_clk_invert;
+ bool has_internal_tx_delay;
+ u32 tx_clk_inherent_skew_ps;
+};
+
struct eic7700_qos_priv {
+ struct device *dev;
struct plat_stmmacenet_data *plat_dat;
struct regmap *eic7700_hsp_regmap;
u32 eth_axi_lp_ctrl_offset;
@@ -54,6 +65,7 @@ struct eic7700_qos_priv {
u32 eth_clk_dly_param;
bool has_txd_offset;
bool has_rxd_offset;
+ bool eth_rx_clk_inv;
};
static int eic7700_clks_config(void *priv, bool enabled)
@@ -97,9 +109,6 @@ static int eic7700_dwmac_init(struct device *dev, void *priv)
if (dwc->has_rxd_offset)
regmap_write(dwc->eic7700_hsp_regmap, dwc->eth_rxd_offset, 0);
- regmap_write(dwc->eic7700_hsp_regmap, dwc->eth_clk_offset,
- dwc->eth_clk_dly_param);
-
return 0;
}
@@ -126,8 +135,38 @@ static int eic7700_dwmac_resume(struct device *dev, void *priv)
return ret;
}
+/*
+ * eth1 requires RX clock inversion at 1000Mbps due to silicon-inherent
+ * RX sampling skew at MAC input.
+ *
+ * The configuration is updated in fix_mac_speed() because the required
+ * sampling behavior depends on the negotiated link speed.
+ */
+static void eic7700_dwmac_fix_speed(void *priv, phy_interface_t interface,
+ int speed, unsigned int mode)
+{
+ struct eic7700_qos_priv *dwc = (struct eic7700_qos_priv *)priv;
+ u32 dly_param = dwc->eth_clk_dly_param;
+
+ switch (speed) {
+ case SPEED_1000:
+ if (dwc->eth_rx_clk_inv)
+ dly_param |= EIC7700_ETH_RX_INV_DELAY;
+ break;
+ case SPEED_100:
+ case SPEED_10:
+ break;
+ default:
+ dev_warn(dwc->dev, "unsupported speed %u\n", speed);
+ return;
+ }
+
+ regmap_write(dwc->eic7700_hsp_regmap, dwc->eth_clk_offset, dly_param);
+}
+
static int eic7700_dwmac_probe(struct platform_device *pdev)
{
+ const struct eic7700_dwmac_data *data;
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
struct eic7700_qos_priv *dwc_priv;
@@ -148,6 +187,30 @@ static int eic7700_dwmac_probe(struct platform_device *pdev)
if (!dwc_priv)
return -ENOMEM;
+ dwc_priv->dev = &pdev->dev;
+
+ data = device_get_match_data(&pdev->dev);
+ if (!data)
+ return dev_err_probe(&pdev->dev,
+ -EINVAL, "no match data found\n");
+
+ dwc_priv->eth_rx_clk_inv = data->rgmii_rx_clk_invert;
+ /*
+ * The MAC silicon unconditionally adds ~2 ns TX delay; prevent
+ * the PHY from also adding TX delay to avoid doubling it.
+ *
+ * DT specifies rgmii-id (TX from MAC silicon, RX from PHY);
+ * override to rgmii-rxid so the PHY only adds its RX delay.
+ */
+ if (data->has_internal_tx_delay) {
+ plat_dat->phy_interface =
+ phy_fix_phy_mode_for_mac_delays(plat_dat->phy_interface,
+ true, false);
+ if (plat_dat->phy_interface == PHY_INTERFACE_MODE_NA)
+ return dev_err_probe(&pdev->dev, -EINVAL,
+ "phy interface mode is NA\n");
+ }
+
/* Read rx-internal-delay-ps and update rx_clk delay */
if (!of_property_read_u32(pdev->dev.of_node,
"rx-internal-delay-ps", &delay_ps)) {
@@ -165,12 +228,15 @@ static int eic7700_dwmac_probe(struct platform_device *pdev)
dwc_priv->eth_clk_dly_param &= ~EIC7700_ETH_RX_ADJ_DELAY;
dwc_priv->eth_clk_dly_param |=
FIELD_PREP(EIC7700_ETH_RX_ADJ_DELAY, val);
- } else {
- return dev_err_probe(&pdev->dev, -EINVAL,
- "missing required property rx-internal-delay-ps\n");
}
- /* Read tx-internal-delay-ps and update tx_clk delay */
+ /* Read tx-internal-delay-ps and update tx_clk delay.
+ *
+ * For eswin,eic7700-qos-eth-clk-inversion, the DT property describes
+ * the effective TX delay at the MAC output, including the inherent
+ * silicon delay. Subtract the fixed component to obtain the
+ * programmable delay value.
+ */
if (!of_property_read_u32(pdev->dev.of_node,
"tx-internal-delay-ps", &delay_ps)) {
if (delay_ps % EIC7700_DELAY_STEP_PS)
@@ -178,18 +244,22 @@ static int eic7700_dwmac_probe(struct platform_device *pdev)
"tx delay must be multiple of %dps\n",
EIC7700_DELAY_STEP_PS);
+ if (delay_ps < data->tx_clk_inherent_skew_ps)
+ return dev_err_probe(&pdev->dev, -EINVAL,
+ "tx delay %ups below inherent skew %ups\n",
+ delay_ps, data->tx_clk_inherent_skew_ps);
+
+ delay_ps -= data->tx_clk_inherent_skew_ps;
+
if (delay_ps > EIC7700_MAX_DELAY_PS)
return dev_err_probe(&pdev->dev, -EINVAL,
- "tx delay out of range\n");
+ "tx delay out of programmable range\n");
val = delay_ps / EIC7700_DELAY_STEP_PS;
dwc_priv->eth_clk_dly_param &= ~EIC7700_ETH_TX_ADJ_DELAY;
dwc_priv->eth_clk_dly_param |=
FIELD_PREP(EIC7700_ETH_TX_ADJ_DELAY, val);
- } else {
- return dev_err_probe(&pdev->dev, -EINVAL,
- "missing required property tx-internal-delay-ps\n");
}
dwc_priv->eic7700_hsp_regmap =
@@ -260,12 +330,31 @@ static int eic7700_dwmac_probe(struct platform_device *pdev)
plat_dat->exit = eic7700_dwmac_exit;
plat_dat->suspend = eic7700_dwmac_suspend;
plat_dat->resume = eic7700_dwmac_resume;
+ plat_dat->fix_mac_speed = eic7700_dwmac_fix_speed;
return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
}
+static const struct eic7700_dwmac_data eic7700_dwmac_data = {
+ .rgmii_rx_clk_invert = false,
+ .has_internal_tx_delay = false,
+ .tx_clk_inherent_skew_ps = 0,
+};
+
+static const struct eic7700_dwmac_data eic7700_dwmac_data_clk_inversion = {
+ .rgmii_rx_clk_invert = true,
+ .has_internal_tx_delay = true,
+ .tx_clk_inherent_skew_ps = 2000,
+};
+
static const struct of_device_id eic7700_dwmac_match[] = {
- { .compatible = "eswin,eic7700-qos-eth" },
+ { .compatible = "eswin,eic7700-qos-eth",
+ .data = &eic7700_dwmac_data,
+ },
+ {
+ .compatible = "eswin,eic7700-qos-eth-clk-inversion",
+ .data = &eic7700_dwmac_data_clk_inversion,
+ },
{ }
};
MODULE_DEVICE_TABLE(of, eic7700_dwmac_match);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 151c77713025..0de4bc949913 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -6357,28 +6357,17 @@ static irqreturn_t stmmac_msi_intr_rx(int irq, void *data)
* @rq: An IOCTL specific structure, that can contain a pointer to
* a proprietary structure used to pass information to the driver.
* @cmd: IOCTL command
- * Description:
- * Currently it supports the phy_mii_ioctl(...) and HW time stamping.
+ * Description: Forward the PHY ioctls to phylink
+ * Return: Zero on success or negative error code.
*/
static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct stmmac_priv *priv = netdev_priv (dev);
- int ret = -EOPNOTSUPP;
if (!netif_running(dev))
return -EINVAL;
- switch (cmd) {
- case SIOCGMIIPHY:
- case SIOCGMIIREG:
- case SIOCSMIIREG:
- ret = phylink_mii_ioctl(priv->phylink, rq, cmd);
- break;
- default:
- break;
- }
-
- return ret;
+ return phylink_mii_ioctl(priv->phylink, rq, cmd);
}
static int stmmac_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
index a0c75886587c..29e824bd90ca 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
@@ -154,9 +154,9 @@ static struct sk_buff *stmmac_test_get_udp_skb(struct stmmac_priv *priv,
} else {
uhdr->source = htons(attr->sport);
uhdr->dest = htons(attr->dport);
- uhdr->len = htons(sizeof(*shdr) + sizeof(*uhdr) + attr->size);
+ udp_set_len_short(uhdr, sizeof(*shdr) + sizeof(*uhdr) + attr->size);
if (attr->max_size)
- uhdr->len = htons(attr->max_size -
+ udp_set_len_short(uhdr, attr->max_size -
(sizeof(*ihdr) + sizeof(*ehdr)));
uhdr->check = 0;
}
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
index 5df971aca9e3..22037f015ded 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
@@ -9,6 +9,8 @@
#include "wx_ethtool.h"
#include "wx_hw.h"
#include "wx_lib.h"
+#include "wx_vf_common.h"
+#include "wx_vf_lib.h"
struct wx_stats {
char stat_string[ETH_GSTRING_LEN];
@@ -487,7 +489,10 @@ int wx_set_coalesce(struct net_device *netdev,
else
/* rx only or mixed */
q_vector->itr = rx_itr_param;
- wx_write_eitr(q_vector);
+ if (wx->pdev->is_virtfn)
+ wx_write_eitr_vf(q_vector);
+ else
+ wx_write_eitr(q_vector);
}
wx_update_rsc(wx);
@@ -775,6 +780,65 @@ static int wx_get_link_ksettings_vf(struct net_device *netdev,
return 0;
}
+static int wx_set_ringparam_vf(struct net_device *netdev,
+ struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *extack)
+{
+ struct wx *wx = netdev_priv(netdev);
+ u32 new_rx_count, new_tx_count;
+ struct wx_ring *temp_ring;
+ int i, err = 0;
+
+ new_tx_count = clamp_t(u32, ring->tx_pending, WX_MIN_TXD, WX_MAX_TXD);
+ new_tx_count = ALIGN(new_tx_count, WX_REQ_TX_DESCRIPTOR_MULTIPLE);
+
+ new_rx_count = clamp_t(u32, ring->rx_pending, WX_MIN_RXD, WX_MAX_RXD);
+ new_rx_count = ALIGN(new_rx_count, WX_REQ_RX_DESCRIPTOR_MULTIPLE);
+
+ if (new_tx_count == wx->tx_ring_count &&
+ new_rx_count == wx->rx_ring_count)
+ return 0;
+
+ mutex_lock(&wx->reset_lock);
+ set_bit(WX_STATE_RESETTING, wx->state);
+
+ if (!netif_running(wx->netdev)) {
+ for (i = 0; i < wx->num_tx_queues; i++)
+ wx->tx_ring[i]->count = new_tx_count;
+ for (i = 0; i < wx->num_rx_queues; i++)
+ wx->rx_ring[i]->count = new_rx_count;
+ wx->tx_ring_count = new_tx_count;
+ wx->rx_ring_count = new_rx_count;
+
+ goto clear_reset;
+ }
+
+ /* allocate temporary buffer to store rings in */
+ i = max_t(int, wx->num_tx_queues, wx->num_rx_queues);
+ temp_ring = kvmalloc_objs(struct wx_ring, i);
+ if (!temp_ring) {
+ err = -ENOMEM;
+ goto clear_reset;
+ }
+
+ wxvf_down(wx);
+ /* wx_set_ring() may partially apply changes before
+ * returning an error. The error indicates that not all
+ * requested ring parameters could be configured.
+ */
+ err = wx_set_ring(wx, new_tx_count, new_rx_count, temp_ring);
+ if (err)
+ wx_err(wx, "failed to set ring parameters: %d", err);
+ wx_configure_vf(wx);
+ wxvf_up_complete(wx);
+ kvfree(temp_ring);
+clear_reset:
+ clear_bit(WX_STATE_RESETTING, wx->state);
+ mutex_unlock(&wx->reset_lock);
+ return err;
+}
+
static const struct ethtool_ops wx_ethtool_ops_vf = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ |
@@ -782,8 +846,10 @@ static const struct ethtool_ops wx_ethtool_ops_vf = {
.get_drvinfo = wx_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_ringparam = wx_get_ringparam,
+ .set_ringparam = wx_set_ringparam_vf,
.get_msglevel = wx_get_msglevel,
.get_coalesce = wx_get_coalesce,
+ .set_coalesce = wx_set_coalesce,
.get_ts_info = ethtool_op_get_ts_info,
.get_link_ksettings = wx_get_link_ksettings_vf,
};
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
index 814d88d2aee4..31572f59b9ce 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
@@ -3228,6 +3228,30 @@ netdev_features_t wx_features_check(struct sk_buff *skb,
netdev_features_t features)
{
struct wx *wx = netdev_priv(netdev);
+ __be16 type = skb->protocol;
+ u16 vlan_depth = ETH_HLEN;
+ u32 vlan_num = 0;
+
+ if (skb_vlan_tag_present(skb))
+ vlan_num++;
+
+ while (eth_type_vlan(type)) {
+ struct vlan_hdr vhdr, *vh;
+
+ vh = skb_header_pointer(skb, vlan_depth, sizeof(vhdr), &vhdr);
+ if (unlikely(!vh))
+ break;
+
+ type = vh->h_vlan_encapsulated_proto;
+ vlan_depth += VLAN_HLEN;
+ vlan_num++;
+
+ if (vlan_num > 2) {
+ features &= ~(NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_STAG_TX);
+ break;
+ }
+ }
if (!skb->encapsulation)
return features;
@@ -3249,8 +3273,8 @@ netdev_features_t wx_features_check(struct sk_buff *skb,
}
EXPORT_SYMBOL(wx_features_check);
-void wx_set_ring(struct wx *wx, u32 new_tx_count,
- u32 new_rx_count, struct wx_ring *temp_ring)
+int wx_set_ring(struct wx *wx, u32 new_tx_count,
+ u32 new_rx_count, struct wx_ring *temp_ring)
{
int i, err = 0;
@@ -3272,7 +3296,7 @@ void wx_set_ring(struct wx *wx, u32 new_tx_count,
i--;
wx_free_tx_resources(&temp_ring[i]);
}
- return;
+ return err;
}
}
@@ -3300,7 +3324,7 @@ void wx_set_ring(struct wx *wx, u32 new_tx_count,
i--;
wx_free_rx_resources(&temp_ring[i]);
}
- return;
+ return err;
}
}
@@ -3312,6 +3336,7 @@ void wx_set_ring(struct wx *wx, u32 new_tx_count,
wx->rx_ring_count = new_rx_count;
}
+ return 0;
}
EXPORT_SYMBOL(wx_set_ring);
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.h b/drivers/net/ethernet/wangxun/libwx/wx_lib.h
index aed6ea8cf0d6..bc671786978e 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_lib.h
+++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.h
@@ -36,8 +36,8 @@ netdev_features_t wx_fix_features(struct net_device *netdev,
netdev_features_t wx_features_check(struct sk_buff *skb,
struct net_device *netdev,
netdev_features_t features);
-void wx_set_ring(struct wx *wx, u32 new_tx_count,
- u32 new_rx_count, struct wx_ring *temp_ring);
+int wx_set_ring(struct wx *wx, u32 new_tx_count,
+ u32 new_rx_count, struct wx_ring *temp_ring);
void wx_service_event_schedule(struct wx *wx);
void wx_service_event_complete(struct wx *wx);
void wx_service_timer(struct timer_list *t);
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_vf.h b/drivers/net/ethernet/wangxun/libwx/wx_vf.h
index eb6ca3fe4e97..b64a4de089f2 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_vf.h
+++ b/drivers/net/ethernet/wangxun/libwx/wx_vf.h
@@ -41,7 +41,6 @@
#define WX_VF_MAX_RX_QUEUES 4
#define WX_VXITR(i) (0x200 + (4 * (i))) /* i=[0,1] */
-#define WX_VXITR_MASK GENMASK(8, 0)
#define WX_VXITR_CNT_WDIS BIT(31)
#define WX_VXIVAR_MISC 0x260
#define WX_VXIVAR(i) (0x240 + (4 * (i))) /* i=[0,3] */
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_vf_common.c b/drivers/net/ethernet/wangxun/libwx/wx_vf_common.c
index 0d2db8d38cd5..26de78e9a69e 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_vf_common.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_vf_common.c
@@ -269,7 +269,7 @@ static void wxvf_irq_enable(struct wx *wx)
wr32(wx, WX_VXIMC, wx->eims_enable_mask);
}
-static void wxvf_up_complete(struct wx *wx)
+void wxvf_up_complete(struct wx *wx)
{
/* Always set the carrier off */
netif_carrier_off(wx->netdev);
@@ -324,7 +324,7 @@ err_reset:
}
EXPORT_SYMBOL(wxvf_open);
-static void wxvf_down(struct wx *wx)
+void wxvf_down(struct wx *wx)
{
struct net_device *netdev = wx->netdev;
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_vf_common.h b/drivers/net/ethernet/wangxun/libwx/wx_vf_common.h
index cbbb1b178cb2..d45d5d8ac3ab 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_vf_common.h
+++ b/drivers/net/ethernet/wangxun/libwx/wx_vf_common.h
@@ -15,7 +15,9 @@ void wx_set_rx_mode_vf(struct net_device *netdev);
void wx_configure_vf(struct wx *wx);
int wx_set_mac_vf(struct net_device *netdev, void *p);
void wxvf_watchdog_update_link(struct wx *wx);
+void wxvf_up_complete(struct wx *wx);
int wxvf_open(struct net_device *netdev);
+void wxvf_down(struct wx *wx);
int wxvf_close(struct net_device *netdev);
void wxvf_init_service(struct wx *wx);
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_vf_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_vf_lib.c
index aa8be036956c..7325b475ee10 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_vf_lib.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_vf_lib.c
@@ -16,7 +16,18 @@ void wx_write_eitr_vf(struct wx_q_vector *q_vector)
int v_idx = q_vector->v_idx;
u32 itr_reg;
- itr_reg = q_vector->itr & WX_VXITR_MASK;
+ switch (wx->mac.type) {
+ case wx_mac_sp:
+ itr_reg = q_vector->itr & WX_SP_MAX_EITR;
+ break;
+ case wx_mac_aml:
+ case wx_mac_aml40:
+ itr_reg = (q_vector->itr >> 3) & WX_AML_MAX_EITR;
+ break;
+ default:
+ itr_reg = q_vector->itr & WX_EM_MAX_EITR;
+ break;
+ }
/* set the WDIS bit to not clear the timer bits and cause an
* immediate assertion of the interrupt