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authorLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 12:34:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 12:34:53 -0700
commit81160dda9a7aad13c04e78bb2cfd3c4630e3afab (patch)
tree4bf79ffa9fc7dc5e2915ff978778c3402c491113 /drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
parent8b53c76533aa4356602aea98f98a2f3b4051464c (diff)
parent1bab8d4c488be22d57f9dd09968c90a0ddc413bf (diff)
downloadlinux-next-81160dda9a7aad13c04e78bb2cfd3c4630e3afab.tar.gz
linux-next-81160dda9a7aad13c04e78bb2cfd3c4630e3afab.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller: 1) Support IPV6 RA Captive Portal Identifier, from Maciej Żenczykowski. 2) Use bio_vec in the networking instead of custom skb_frag_t, from Matthew Wilcox. 3) Make use of xmit_more in r8169 driver, from Heiner Kallweit. 4) Add devmap_hash to xdp, from Toke Høiland-Jørgensen. 5) Support all variants of 5750X bnxt_en chips, from Michael Chan. 6) More RTNL avoidance work in the core and mlx5 driver, from Vlad Buslov. 7) Add TCP syn cookies bpf helper, from Petar Penkov. 8) Add 'nettest' to selftests and use it, from David Ahern. 9) Add extack support to drop_monitor, add packet alert mode and support for HW drops, from Ido Schimmel. 10) Add VLAN offload to stmmac, from Jose Abreu. 11) Lots of devm_platform_ioremap_resource() conversions, from YueHaibing. 12) Add IONIC driver, from Shannon Nelson. 13) Several kTLS cleanups, from Jakub Kicinski. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1930 commits) mlxsw: spectrum_buffers: Add the ability to query the CPU port's shared buffer mlxsw: spectrum: Register CPU port with devlink mlxsw: spectrum_buffers: Prevent changing CPU port's configuration net: ena: fix incorrect update of intr_delay_resolution net: ena: fix retrieval of nonadaptive interrupt moderation intervals net: ena: fix update of interrupt moderation register net: ena: remove all old adaptive rx interrupt moderation code from ena_com net: ena: remove ena_restore_ethtool_params() and relevant fields net: ena: remove old adaptive interrupt moderation code from ena_netdev net: ena: remove code duplication in ena_com_update_nonadaptive_moderation_interval _*() net: ena: enable the interrupt_moderation in driver_supported_features net: ena: reimplement set/get_coalesce() net: ena: switch to dim algorithm for rx adaptive interrupt moderation net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it net: phy: adin: implement Energy Detect Powerdown mode via phy-tunable ethtool: implement Energy Detect Powerdown support via phy-tunable xen-netfront: do not assume sk_buff_head list is empty in error handling s390/ctcm: Delete unnecessary checks before the macro call “dev_kfree_skb” net: ena: don't wake up tx queue when down drop_monitor: Better sanitize notified packets ...
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_ethtool.c')
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_ethtool.c779
1 files changed, 779 insertions, 0 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
new file mode 100644
index 000000000000..7d10265f782a
--- /dev/null
+++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
@@ -0,0 +1,779 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
+
+#include <linux/module.h>
+#include <linux/netdevice.h>
+
+#include "ionic.h"
+#include "ionic_bus.h"
+#include "ionic_lif.h"
+#include "ionic_ethtool.h"
+#include "ionic_stats.h"
+
+static const char ionic_priv_flags_strings[][ETH_GSTRING_LEN] = {
+#define PRIV_F_SW_DBG_STATS BIT(0)
+ "sw-dbg-stats",
+};
+#define PRIV_FLAGS_COUNT ARRAY_SIZE(ionic_priv_flags_strings)
+
+static void ionic_get_stats_strings(struct ionic_lif *lif, u8 *buf)
+{
+ u32 i;
+
+ for (i = 0; i < ionic_num_stats_grps; i++)
+ ionic_stats_groups[i].get_strings(lif, &buf);
+}
+
+static void ionic_get_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *buf)
+{
+ struct ionic_lif *lif;
+ u32 i;
+
+ lif = netdev_priv(netdev);
+
+ memset(buf, 0, stats->n_stats * sizeof(*buf));
+ for (i = 0; i < ionic_num_stats_grps; i++)
+ ionic_stats_groups[i].get_values(lif, &buf);
+}
+
+static int ionic_get_stats_count(struct ionic_lif *lif)
+{
+ int i, num_stats = 0;
+
+ for (i = 0; i < ionic_num_stats_grps; i++)
+ num_stats += ionic_stats_groups[i].get_count(lif);
+
+ return num_stats;
+}
+
+static int ionic_get_sset_count(struct net_device *netdev, int sset)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ int count = 0;
+
+ switch (sset) {
+ case ETH_SS_STATS:
+ count = ionic_get_stats_count(lif);
+ break;
+ case ETH_SS_PRIV_FLAGS:
+ count = PRIV_FLAGS_COUNT;
+ break;
+ }
+ return count;
+}
+
+static void ionic_get_strings(struct net_device *netdev,
+ u32 sset, u8 *buf)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+
+ switch (sset) {
+ case ETH_SS_STATS:
+ ionic_get_stats_strings(lif, buf);
+ break;
+ case ETH_SS_PRIV_FLAGS:
+ memcpy(buf, ionic_priv_flags_strings,
+ PRIV_FLAGS_COUNT * ETH_GSTRING_LEN);
+ break;
+ }
+}
+
+static void ionic_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ struct ionic *ionic = lif->ionic;
+
+ strlcpy(drvinfo->driver, IONIC_DRV_NAME, sizeof(drvinfo->driver));
+ strlcpy(drvinfo->version, IONIC_DRV_VERSION, sizeof(drvinfo->version));
+ strlcpy(drvinfo->fw_version, ionic->idev.dev_info.fw_version,
+ sizeof(drvinfo->fw_version));
+ strlcpy(drvinfo->bus_info, ionic_bus_info(ionic),
+ sizeof(drvinfo->bus_info));
+}
+
+static int ionic_get_regs_len(struct net_device *netdev)
+{
+ return (IONIC_DEV_INFO_REG_COUNT + IONIC_DEV_CMD_REG_COUNT) * sizeof(u32);
+}
+
+static void ionic_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
+ void *p)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ unsigned int size;
+
+ regs->version = IONIC_DEV_CMD_REG_VERSION;
+
+ size = IONIC_DEV_INFO_REG_COUNT * sizeof(u32);
+ memcpy_fromio(p, lif->ionic->idev.dev_info_regs->words, size);
+
+ size = IONIC_DEV_CMD_REG_COUNT * sizeof(u32);
+ memcpy_fromio(p, lif->ionic->idev.dev_cmd_regs->words, size);
+}
+
+static int ionic_get_link_ksettings(struct net_device *netdev,
+ struct ethtool_link_ksettings *ks)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ struct ionic_dev *idev = &lif->ionic->idev;
+ int copper_seen = 0;
+
+ ethtool_link_ksettings_zero_link_mode(ks, supported);
+
+ /* The port_info data is found in a DMA space that the NIC keeps
+ * up-to-date, so there's no need to request the data from the
+ * NIC, we already have it in our memory space.
+ */
+
+ switch (le16_to_cpu(idev->port_info->status.xcvr.pid)) {
+ /* Copper */
+ case IONIC_XCVR_PID_QSFP_100G_CR4:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 100000baseCR4_Full);
+ copper_seen++;
+ break;
+ case IONIC_XCVR_PID_QSFP_40GBASE_CR4:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 40000baseCR4_Full);
+ copper_seen++;
+ break;
+ case IONIC_XCVR_PID_SFP_25GBASE_CR_S:
+ case IONIC_XCVR_PID_SFP_25GBASE_CR_L:
+ case IONIC_XCVR_PID_SFP_25GBASE_CR_N:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 25000baseCR_Full);
+ copper_seen++;
+ break;
+ case IONIC_XCVR_PID_SFP_10GBASE_AOC:
+ case IONIC_XCVR_PID_SFP_10GBASE_CU:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 10000baseCR_Full);
+ copper_seen++;
+ break;
+
+ /* Fibre */
+ case IONIC_XCVR_PID_QSFP_100G_SR4:
+ case IONIC_XCVR_PID_QSFP_100G_AOC:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 100000baseSR4_Full);
+ break;
+ case IONIC_XCVR_PID_QSFP_100G_LR4:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 100000baseLR4_ER4_Full);
+ break;
+ case IONIC_XCVR_PID_QSFP_100G_ER4:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 100000baseLR4_ER4_Full);
+ break;
+ case IONIC_XCVR_PID_QSFP_40GBASE_SR4:
+ case IONIC_XCVR_PID_QSFP_40GBASE_AOC:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 40000baseSR4_Full);
+ break;
+ case IONIC_XCVR_PID_QSFP_40GBASE_LR4:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 40000baseLR4_Full);
+ break;
+ case IONIC_XCVR_PID_SFP_25GBASE_SR:
+ case IONIC_XCVR_PID_SFP_25GBASE_AOC:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 25000baseSR_Full);
+ break;
+ case IONIC_XCVR_PID_SFP_10GBASE_SR:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 10000baseSR_Full);
+ break;
+ case IONIC_XCVR_PID_SFP_10GBASE_LR:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 10000baseLR_Full);
+ break;
+ case IONIC_XCVR_PID_SFP_10GBASE_LRM:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 10000baseLRM_Full);
+ break;
+ case IONIC_XCVR_PID_SFP_10GBASE_ER:
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 10000baseER_Full);
+ break;
+ case IONIC_XCVR_PID_UNKNOWN:
+ /* This means there's no module plugged in */
+ break;
+ default:
+ dev_info(lif->ionic->dev, "unknown xcvr type pid=%d / 0x%x\n",
+ idev->port_info->status.xcvr.pid,
+ idev->port_info->status.xcvr.pid);
+ break;
+ }
+
+ bitmap_copy(ks->link_modes.advertising, ks->link_modes.supported,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+
+ ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
+ ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
+ if (idev->port_info->config.fec_type == IONIC_PORT_FEC_TYPE_FC)
+ ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_BASER);
+ else if (idev->port_info->config.fec_type == IONIC_PORT_FEC_TYPE_RS)
+ ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
+
+ ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
+ ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
+
+ if (idev->port_info->status.xcvr.phy == IONIC_PHY_TYPE_COPPER ||
+ copper_seen)
+ ks->base.port = PORT_DA;
+ else if (idev->port_info->status.xcvr.phy == IONIC_PHY_TYPE_FIBER)
+ ks->base.port = PORT_FIBRE;
+ else
+ ks->base.port = PORT_NONE;
+
+ if (ks->base.port != PORT_NONE) {
+ ks->base.speed = le32_to_cpu(lif->info->status.link_speed);
+
+ if (le16_to_cpu(lif->info->status.link_status))
+ ks->base.duplex = DUPLEX_FULL;
+ else
+ ks->base.duplex = DUPLEX_UNKNOWN;
+
+ ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
+
+ if (idev->port_info->config.an_enable) {
+ ethtool_link_ksettings_add_link_mode(ks, advertising,
+ Autoneg);
+ ks->base.autoneg = AUTONEG_ENABLE;
+ }
+ }
+
+ return 0;
+}
+
+static int ionic_set_link_ksettings(struct net_device *netdev,
+ const struct ethtool_link_ksettings *ks)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ struct ionic *ionic = lif->ionic;
+ struct ionic_dev *idev;
+ u32 req_rs, req_fc;
+ u8 fec_type;
+ int err = 0;
+
+ idev = &lif->ionic->idev;
+ fec_type = IONIC_PORT_FEC_TYPE_NONE;
+
+ /* set autoneg */
+ if (ks->base.autoneg != idev->port_info->config.an_enable) {
+ mutex_lock(&ionic->dev_cmd_lock);
+ ionic_dev_cmd_port_autoneg(idev, ks->base.autoneg);
+ err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
+ mutex_unlock(&ionic->dev_cmd_lock);
+ if (err)
+ return err;
+ }
+
+ /* set speed */
+ if (ks->base.speed != le32_to_cpu(idev->port_info->config.speed)) {
+ mutex_lock(&ionic->dev_cmd_lock);
+ ionic_dev_cmd_port_speed(idev, ks->base.speed);
+ err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
+ mutex_unlock(&ionic->dev_cmd_lock);
+ if (err)
+ return err;
+ }
+
+ /* set FEC */
+ req_rs = ethtool_link_ksettings_test_link_mode(ks, advertising, FEC_RS);
+ req_fc = ethtool_link_ksettings_test_link_mode(ks, advertising, FEC_BASER);
+ if (req_rs && req_fc) {
+ netdev_info(netdev, "Only select one FEC mode at a time\n");
+ return -EINVAL;
+ } else if (req_fc) {
+ fec_type = IONIC_PORT_FEC_TYPE_FC;
+ } else if (req_rs) {
+ fec_type = IONIC_PORT_FEC_TYPE_RS;
+ } else if (!(req_rs | req_fc)) {
+ fec_type = IONIC_PORT_FEC_TYPE_NONE;
+ }
+
+ if (fec_type != idev->port_info->config.fec_type) {
+ mutex_lock(&ionic->dev_cmd_lock);
+ ionic_dev_cmd_port_fec(idev, fec_type);
+ err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
+ mutex_unlock(&ionic->dev_cmd_lock);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static void ionic_get_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ u8 pause_type;
+
+ pause->autoneg = 0;
+
+ pause_type = lif->ionic->idev.port_info->config.pause_type;
+ if (pause_type) {
+ pause->rx_pause = pause_type & IONIC_PAUSE_F_RX ? 1 : 0;
+ pause->tx_pause = pause_type & IONIC_PAUSE_F_TX ? 1 : 0;
+ }
+}
+
+static int ionic_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ struct ionic *ionic = lif->ionic;
+ u32 requested_pause;
+ int err;
+
+ if (pause->autoneg)
+ return -EOPNOTSUPP;
+
+ /* change both at the same time */
+ requested_pause = IONIC_PORT_PAUSE_TYPE_LINK;
+ if (pause->rx_pause)
+ requested_pause |= IONIC_PAUSE_F_RX;
+ if (pause->tx_pause)
+ requested_pause |= IONIC_PAUSE_F_TX;
+
+ if (requested_pause == lif->ionic->idev.port_info->config.pause_type)
+ return 0;
+
+ mutex_lock(&ionic->dev_cmd_lock);
+ ionic_dev_cmd_port_pause(&lif->ionic->idev, requested_pause);
+ err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
+ mutex_unlock(&ionic->dev_cmd_lock);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int ionic_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *coalesce)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+
+ /* Tx uses Rx interrupt */
+ coalesce->tx_coalesce_usecs = lif->rx_coalesce_usecs;
+ coalesce->rx_coalesce_usecs = lif->rx_coalesce_usecs;
+
+ return 0;
+}
+
+static int ionic_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *coalesce)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ struct ionic_identity *ident;
+ struct ionic_qcq *qcq;
+ unsigned int i;
+ u32 usecs;
+ u32 coal;
+
+ if (coalesce->rx_max_coalesced_frames ||
+ coalesce->rx_coalesce_usecs_irq ||
+ coalesce->rx_max_coalesced_frames_irq ||
+ coalesce->tx_max_coalesced_frames ||
+ coalesce->tx_coalesce_usecs_irq ||
+ coalesce->tx_max_coalesced_frames_irq ||
+ coalesce->stats_block_coalesce_usecs ||
+ coalesce->use_adaptive_rx_coalesce ||
+ coalesce->use_adaptive_tx_coalesce ||
+ coalesce->pkt_rate_low ||
+ coalesce->rx_coalesce_usecs_low ||
+ coalesce->rx_max_coalesced_frames_low ||
+ coalesce->tx_coalesce_usecs_low ||
+ coalesce->tx_max_coalesced_frames_low ||
+ coalesce->pkt_rate_high ||
+ coalesce->rx_coalesce_usecs_high ||
+ coalesce->rx_max_coalesced_frames_high ||
+ coalesce->tx_coalesce_usecs_high ||
+ coalesce->tx_max_coalesced_frames_high ||
+ coalesce->rate_sample_interval)
+ return -EINVAL;
+
+ ident = &lif->ionic->ident;
+ if (ident->dev.intr_coal_div == 0) {
+ netdev_warn(netdev, "bad HW value in dev.intr_coal_div = %d\n",
+ ident->dev.intr_coal_div);
+ return -EIO;
+ }
+
+ /* Tx uses Rx interrupt, so only change Rx */
+ if (coalesce->tx_coalesce_usecs != lif->rx_coalesce_usecs) {
+ netdev_warn(netdev, "only the rx-usecs can be changed\n");
+ return -EINVAL;
+ }
+
+ coal = ionic_coal_usec_to_hw(lif->ionic, coalesce->rx_coalesce_usecs);
+
+ if (coal > IONIC_INTR_CTRL_COAL_MAX)
+ return -ERANGE;
+
+ /* If they asked for non-zero and it resolved to zero, bump it up */
+ if (!coal && coalesce->rx_coalesce_usecs)
+ coal = 1;
+
+ /* Convert it back to get device resolution */
+ usecs = ionic_coal_hw_to_usec(lif->ionic, coal);
+
+ if (usecs != lif->rx_coalesce_usecs) {
+ lif->rx_coalesce_usecs = usecs;
+
+ if (test_bit(IONIC_LIF_UP, lif->state)) {
+ for (i = 0; i < lif->nxqs; i++) {
+ qcq = lif->rxqcqs[i].qcq;
+ ionic_intr_coal_init(lif->ionic->idev.intr_ctrl,
+ qcq->intr.index, coal);
+ }
+ }
+ }
+
+ return 0;
+}
+
+static void ionic_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+
+ ring->tx_max_pending = IONIC_MAX_TXRX_DESC;
+ ring->tx_pending = lif->ntxq_descs;
+ ring->rx_max_pending = IONIC_MAX_TXRX_DESC;
+ ring->rx_pending = lif->nrxq_descs;
+}
+
+static int ionic_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ bool running;
+
+ if (ring->rx_mini_pending || ring->rx_jumbo_pending) {
+ netdev_info(netdev, "Changing jumbo or mini descriptors not supported\n");
+ return -EINVAL;
+ }
+
+ if (!is_power_of_2(ring->tx_pending) ||
+ !is_power_of_2(ring->rx_pending)) {
+ netdev_info(netdev, "Descriptor count must be a power of 2\n");
+ return -EINVAL;
+ }
+
+ /* if nothing to do return success */
+ if (ring->tx_pending == lif->ntxq_descs &&
+ ring->rx_pending == lif->nrxq_descs)
+ return 0;
+
+ if (!ionic_wait_for_bit(lif, IONIC_LIF_QUEUE_RESET))
+ return -EBUSY;
+
+ running = test_bit(IONIC_LIF_UP, lif->state);
+ if (running)
+ ionic_stop(netdev);
+
+ lif->ntxq_descs = ring->tx_pending;
+ lif->nrxq_descs = ring->rx_pending;
+
+ if (running)
+ ionic_open(netdev);
+ clear_bit(IONIC_LIF_QUEUE_RESET, lif->state);
+
+ return 0;
+}
+
+static void ionic_get_channels(struct net_device *netdev,
+ struct ethtool_channels *ch)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+
+ /* report maximum channels */
+ ch->max_combined = lif->ionic->ntxqs_per_lif;
+
+ /* report current channels */
+ ch->combined_count = lif->nxqs;
+}
+
+static int ionic_set_channels(struct net_device *netdev,
+ struct ethtool_channels *ch)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ bool running;
+
+ if (!ch->combined_count || ch->other_count ||
+ ch->rx_count || ch->tx_count)
+ return -EINVAL;
+
+ if (ch->combined_count == lif->nxqs)
+ return 0;
+
+ if (!ionic_wait_for_bit(lif, IONIC_LIF_QUEUE_RESET))
+ return -EBUSY;
+
+ running = test_bit(IONIC_LIF_UP, lif->state);
+ if (running)
+ ionic_stop(netdev);
+
+ lif->nxqs = ch->combined_count;
+
+ if (running)
+ ionic_open(netdev);
+ clear_bit(IONIC_LIF_QUEUE_RESET, lif->state);
+
+ return 0;
+}
+
+static u32 ionic_get_priv_flags(struct net_device *netdev)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ u32 priv_flags = 0;
+
+ if (test_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state))
+ priv_flags |= PRIV_F_SW_DBG_STATS;
+
+ return priv_flags;
+}
+
+static int ionic_set_priv_flags(struct net_device *netdev, u32 priv_flags)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ u32 flags = lif->flags;
+
+ clear_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state);
+ if (priv_flags & PRIV_F_SW_DBG_STATS)
+ set_bit(IONIC_LIF_SW_DEBUG_STATS, lif->state);
+
+ if (flags != lif->flags)
+ lif->flags = flags;
+
+ return 0;
+}
+
+static int ionic_get_rxnfc(struct net_device *netdev,
+ struct ethtool_rxnfc *info, u32 *rules)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ int err = 0;
+
+ switch (info->cmd) {
+ case ETHTOOL_GRXRINGS:
+ info->data = lif->nxqs;
+ break;
+ default:
+ netdev_err(netdev, "Command parameter %d is not supported\n",
+ info->cmd);
+ err = -EOPNOTSUPP;
+ }
+
+ return err;
+}
+
+static u32 ionic_get_rxfh_indir_size(struct net_device *netdev)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+
+ return le16_to_cpu(lif->ionic->ident.lif.eth.rss_ind_tbl_sz);
+}
+
+static u32 ionic_get_rxfh_key_size(struct net_device *netdev)
+{
+ return IONIC_RSS_HASH_KEY_SIZE;
+}
+
+static int ionic_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
+ u8 *hfunc)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ unsigned int i, tbl_sz;
+
+ if (indir) {
+ tbl_sz = le16_to_cpu(lif->ionic->ident.lif.eth.rss_ind_tbl_sz);
+ for (i = 0; i < tbl_sz; i++)
+ indir[i] = lif->rss_ind_tbl[i];
+ }
+
+ if (key)
+ memcpy(key, lif->rss_hash_key, IONIC_RSS_HASH_KEY_SIZE);
+
+ if (hfunc)
+ *hfunc = ETH_RSS_HASH_TOP;
+
+ return 0;
+}
+
+static int ionic_set_rxfh(struct net_device *netdev, const u32 *indir,
+ const u8 *key, const u8 hfunc)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ int err;
+
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
+ return -EOPNOTSUPP;
+
+ err = ionic_lif_rss_config(lif, lif->rss_types, key, indir);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int ionic_set_tunable(struct net_device *dev,
+ const struct ethtool_tunable *tuna,
+ const void *data)
+{
+ struct ionic_lif *lif = netdev_priv(dev);
+
+ switch (tuna->id) {
+ case ETHTOOL_RX_COPYBREAK:
+ lif->rx_copybreak = *(u32 *)data;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int ionic_get_tunable(struct net_device *netdev,
+ const struct ethtool_tunable *tuna, void *data)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+
+ switch (tuna->id) {
+ case ETHTOOL_RX_COPYBREAK:
+ *(u32 *)data = lif->rx_copybreak;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int ionic_get_module_info(struct net_device *netdev,
+ struct ethtool_modinfo *modinfo)
+
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ struct ionic_dev *idev = &lif->ionic->idev;
+ struct ionic_xcvr_status *xcvr;
+
+ xcvr = &idev->port_info->status.xcvr;
+
+ /* report the module data type and length */
+ switch (xcvr->sprom[0]) {
+ case 0x03: /* SFP */
+ modinfo->type = ETH_MODULE_SFF_8079;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
+ break;
+ case 0x0D: /* QSFP */
+ case 0x11: /* QSFP28 */
+ modinfo->type = ETH_MODULE_SFF_8436;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
+ break;
+ default:
+ netdev_info(netdev, "unknown xcvr type 0x%02x\n",
+ xcvr->sprom[0]);
+ break;
+ }
+
+ return 0;
+}
+
+static int ionic_get_module_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *ee,
+ u8 *data)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ struct ionic_dev *idev = &lif->ionic->idev;
+ struct ionic_xcvr_status *xcvr;
+ char tbuf[sizeof(xcvr->sprom)];
+ int count = 10;
+ u32 len;
+
+ /* The NIC keeps the module prom up-to-date in the DMA space
+ * so we can simply copy the module bytes into the data buffer.
+ */
+ xcvr = &idev->port_info->status.xcvr;
+ len = min_t(u32, sizeof(xcvr->sprom), ee->len);
+
+ do {
+ memcpy(data, xcvr->sprom, len);
+ memcpy(tbuf, xcvr->sprom, len);
+
+ /* Let's make sure we got a consistent copy */
+ if (!memcmp(data, tbuf, len))
+ break;
+
+ } while (--count);
+
+ if (!count)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+static int ionic_nway_reset(struct net_device *netdev)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ struct ionic *ionic = lif->ionic;
+ int err = 0;
+
+ /* flap the link to force auto-negotiation */
+
+ mutex_lock(&ionic->dev_cmd_lock);
+
+ ionic_dev_cmd_port_state(&ionic->idev, IONIC_PORT_ADMIN_STATE_DOWN);
+ err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
+
+ if (!err) {
+ ionic_dev_cmd_port_state(&ionic->idev, IONIC_PORT_ADMIN_STATE_UP);
+ err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
+ }
+
+ mutex_unlock(&ionic->dev_cmd_lock);
+
+ return err;
+}
+
+static const struct ethtool_ops ionic_ethtool_ops = {
+ .get_drvinfo = ionic_get_drvinfo,
+ .get_regs_len = ionic_get_regs_len,
+ .get_regs = ionic_get_regs,
+ .get_link = ethtool_op_get_link,
+ .get_link_ksettings = ionic_get_link_ksettings,
+ .get_coalesce = ionic_get_coalesce,
+ .set_coalesce = ionic_set_coalesce,
+ .get_ringparam = ionic_get_ringparam,
+ .set_ringparam = ionic_set_ringparam,
+ .get_channels = ionic_get_channels,
+ .set_channels = ionic_set_channels,
+ .get_strings = ionic_get_strings,
+ .get_ethtool_stats = ionic_get_stats,
+ .get_sset_count = ionic_get_sset_count,
+ .get_priv_flags = ionic_get_priv_flags,
+ .set_priv_flags = ionic_set_priv_flags,
+ .get_rxnfc = ionic_get_rxnfc,
+ .get_rxfh_indir_size = ionic_get_rxfh_indir_size,
+ .get_rxfh_key_size = ionic_get_rxfh_key_size,
+ .get_rxfh = ionic_get_rxfh,
+ .set_rxfh = ionic_set_rxfh,
+ .get_tunable = ionic_get_tunable,
+ .set_tunable = ionic_set_tunable,
+ .get_module_info = ionic_get_module_info,
+ .get_module_eeprom = ionic_get_module_eeprom,
+ .get_pauseparam = ionic_get_pauseparam,
+ .set_pauseparam = ionic_set_pauseparam,
+ .set_link_ksettings = ionic_set_link_ksettings,
+ .nway_reset = ionic_nway_reset,
+};
+
+void ionic_ethtool_set_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &ionic_ethtool_ops;
+}