Merge tag 'net-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core & protocols:

   - Replace busylock at the Tx queuing layer with a lockless list.

     Resulting in a 300% (4x) improvement on heavy TX workloads, sending
     twice the number of packets per second, for half the cpu cycles.

   - Allow constantly busy flows to migrate to a more suitable CPU/NIC
     queue.

     Normally we perform queue re-selection when flow comes out of idle,
     but under extreme circumstances the flows may be constantly busy.

     Add sysctl to allow periodic rehashing even if it'd risk packet
     reordering.

   - Optimize the NAPI skb cache, make it larger, use it in more paths.

   - Attempt returning Tx skbs to the originating CPU (like we already
     did for Rx skbs).

   - Various data structure layout and prefetch optimizations from Eric.

   - Remove ktime_get() from the recvmsg() fast path, ktime_get() is
     sadly quite expensive on recent AMD machines.

   - Extend threaded NAPI polling to allow the kthread busy poll for
     packets.

   - Make MPTCP use Rx backlog processing. This lowers the lock
     pressure, improving the Rx performance.

   - Support memcg accounting of MPTCP socket memory.

   - Allow admin to opt sockets out of global protocol memory accounting
     (using a sysctl or BPF-based policy). The global limits are a poor
     fit for modern container workloads, where limits are imposed using
     cgroups.

   - Improve heuristics for when to kick off AF_UNIX garbage collection.

   - Allow users to control TCP SACK compression, and default to 33% of
     RTT.

   - Add tcp_rcvbuf_low_rtt sysctl to let datacenter users avoid
     unnecessarily aggressive rcvbuf growth and overshot when the
     connection RTT is low.

   - Preserve skb metadata space across skb_push / skb_pull operations.

   - Support for IPIP encapsulation in the nftables flowtable offload.

   - Support appending IP interface information to ICMP messages (RFC
     5837).

   - Support setting max record size in TLS (RFC 8449).

   - Remove taking rtnl_lock from RTM_GETNEIGHTBL and RTM_SETNEIGHTBL.

   - Use a dedicated lock (and RCU) in MPLS, instead of rtnl_lock.

   - Let users configure the number of write buffers in SMC.

   - Add new struct sockaddr_unsized for sockaddr of unknown length,
     from Kees.

   - Some conversions away from the crypto_ahash API, from Eric Biggers.

   - Some preparations for slimming down struct page.

   - YAML Netlink protocol spec for WireGuard.

   - Add a tool on top of YAML Netlink specs/lib for reporting commonly
     computed derived statistics and summarized system state.

  Driver API:

   - Add CAN XL support to the CAN Netlink interface.

   - Add uAPI for reporting PHY Mean Square Error (MSE) diagnostics, as
     defined by the OPEN Alliance's "Advanced diagnostic features for
     100BASE-T1 automotive Ethernet PHYs" specification.

   - Add DPLL phase-adjust-gran pin attribute (and implement it in
     zl3073x).

   - Refactor xfrm_input lock to reduce contention when NIC offloads
     IPsec and performs RSS.

   - Add info to devlink params whether the current setting is the
     default or a user override. Allow resetting back to default.

   - Add standard device stats for PSP crypto offload.

   - Leverage DSA frame broadcast to implement simple HSR frame
     duplication for a lot of switches without dedicated HSR offload.

   - Add uAPI defines for 1.6Tbps link modes.

  Device drivers:

   - Add Motorcomm YT921x gigabit Ethernet switch support.

   - Add MUCSE driver for N500/N210 1GbE NIC series.

   - Convert drivers to support dedicated ops for timestamping control,
     and away from the direct IOCTL handling. While at it support GET
     operations for PHY timestamping.

   - Add (and convert most drivers to) a dedicated ethtool callback for
     reading the Rx ring count.

   - Significant refactoring efforts in the STMMAC driver, which
     supports Synopsys turn-key MAC IP integrated into a ton of SoCs.

   - Ethernet high-speed NICs:
      - Broadcom (bnxt):
         - support PPS in/out on all pins
      - Intel (100G, ice, idpf):
         - ice: implement standard ethtool and timestamping stats
         - i40e: support setting the max number of MAC addresses per VF
         - iavf: support RSS of GTP tunnels for 5G and LTE deployments
      - nVidia/Mellanox (mlx5):
         - reduce downtime on interface reconfiguration
         - disable being an XDP redirect target by default (same as
           other drivers) to avoid wasting resources if feature is
           unused
      - Meta (fbnic):
         - add support for Linux-managed PCS on 25G, 50G, and 100G links
      - Wangxun:
         - support Rx descriptor merge, and Tx head writeback
         - support Rx coalescing offload
         - support 25G SPF and 40G QSFP modules

   - Ethernet virtual:
      - Google (gve):
         - allow ethtool to configure rx_buf_len
         - implement XDP HW RX Timestamping support for DQ descriptor
           format
      - Microsoft vNIC (mana):
         - support HW link state events
         - handle hardware recovery events when probing the device

   - Ethernet NICs consumer, and embedded:
      - usbnet: add support for Byte Queue Limits (BQL)
      - AMD (amd-xgbe):
         - add device selftests
      - NXP (enetc):
         - add i.MX94 support
      - Broadcom integrated MACs (bcmgenet, bcmasp):
         - bcmasp: add support for PHY-based Wake-on-LAN
      - Broadcom switches (b53):
         - support port isolation
         - support BCM5389/97/98 and BCM63XX ARL formats
      - Lantiq/MaxLinear switches:
         - support bridge FDB entries on the CPU port
         - use regmap for register access
         - allow user to enable/disable learning
         - support Energy Efficient Ethernet
         - support configuring RMII clock delays
         - add tagging driver for MaxLinear GSW1xx switches
      - Synopsys (stmmac):
         - support using the HW clock in free running mode
         - add Eswin EIC7700 support
         - add Rockchip RK3506 support
         - add Altera Agilex5 support
      - Cadence (macb):
         - cleanup and consolidate descriptor and DMA address handling
         - add EyeQ5 support
      - TI:
         - icssg-prueth: support AF_XDP
      - Airoha access points:
         - add missing Ethernet stats and link state callback
         - add AN7583 support
         - support out-of-order Tx completion processing
      - Power over Ethernet:
         - pd692x0: preserve PSE configuration across reboots
         - add support for TPS23881B devices

   - Ethernet PHYs:
      - Open Alliance OATC14 10BASE-T1S PHY cable diagnostic support
      - Support 50G SerDes and 100G interfaces in Linux-managed PHYs
      - micrel:
         - support for non PTP SKUs of lan8814
         - enable in-band auto-negotiation on lan8814
      - realtek:
         - cable testing support on RTL8224
         - interrupt support on RTL8221B
      - motorcomm: support for PHY LEDs on YT853
      - microchip: support for LAN867X Rev.D0 PHYs w/ SQI and cable diag
      - mscc: support for PHY LED control

   - CAN drivers:
      - m_can: add support for optional reset and system wake up
      - remove can_change_mtu() obsoleted by core handling
      - mcp251xfd: support GPIO controller functionality

   - Bluetooth:
      - add initial support for PASTa

   - WiFi:
      - split ieee80211.h file, it's way too big
      - improvements in VHT radiotap reporting, S1G, Channel Switch
        Announcement handling, rate tracking in mesh networks
      - improve multi-radio monitor mode support, and add a cfg80211
        debugfs interface for it
      - HT action frame handling on 6 GHz
      - initial chanctx work towards NAN
      - MU-MIMO sniffer improvements

   - WiFi drivers:
      - RealTek (rtw89):
         - support USB devices RTL8852AU and RTL8852CU
         - initial work for RTL8922DE
         - improved injection support
      - Intel:
         - iwlwifi: new sniffer API support
      - MediaTek (mt76):
         - WED support for >32-bit DMA
         - airoha NPU support
         - regdomain improvements
         - continued WiFi7/MLO work
      - Qualcomm/Atheros:
         - ath10k: factory test support
         - ath11k: TX power insertion support
         - ath12k: BSS color change support
         - ath12k: statistics improvements
      - brcmfmac: Acer A1 840 tablet quirk
      - rtl8xxxu: 40 MHz connection fixes/support"

* tag 'net-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1381 commits)
  net: page_pool: sanitise allocation order
  net: page pool: xa init with destroy on pp init
  net/mlx5e: Support XDP target xmit with dummy program
  net/mlx5e: Update XDP features in switch channels
  selftests/tc-testing: Test CAKE scheduler when enqueue drops packets
  net/sched: sch_cake: Fix incorrect qlen reduction in cake_drop
  wireguard: netlink: generate netlink code
  wireguard: uapi: generate header with ynl-gen
  wireguard: uapi: move flag enums
  wireguard: uapi: move enum wg_cmd
  wireguard: netlink: add YNL specification
  selftests: drv-net: Fix tolerance calculation in devlink_rate_tc_bw.py
  selftests: drv-net: Fix and clarify TC bandwidth split in devlink_rate_tc_bw.py
  selftests: drv-net: Set shell=True for sysfs writes in devlink_rate_tc_bw.py
  selftests: drv-net: Use Iperf3Runner in devlink_rate_tc_bw.py
  selftests: drv-net: introduce Iperf3Runner for measurement use cases
  selftests: drv-net: Add devlink_rate_tc_bw.py to TEST_PROGS
  net: ps3_gelic_net: Use napi_alloc_skb() and napi_gro_receive()
  Documentation: net: dsa: mention simple HSR offload helpers
  Documentation: net: dsa: mention availability of RedBox
  ...

1 files changed, 51 insertions, 74 deletions

diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c
index 15ccedbb3f8d..091f30e94c61 100644
--- a/drivers/net/can/dev/dev.c
+++ b/drivers/net/can/dev/dev.c
@@ -92,29 +92,39 @@ const char *can_get_ctrlmode_str(u32 ctrlmode)
 {
 	switch (ctrlmode & ~(ctrlmode - 1)) {
 	case 0:
-		return "none";
+		return "(none)";
 	case CAN_CTRLMODE_LOOPBACK:
-		return "loopback";
+		return "LOOPBACK";
 	case CAN_CTRLMODE_LISTENONLY:
-		return "listen-only";
+		return "LISTEN-ONLY";
 	case CAN_CTRLMODE_3_SAMPLES:
-		return "triple-sampling";
+		return "TRIPLE-SAMPLING";
 	case CAN_CTRLMODE_ONE_SHOT:
-		return "one-shot";
+		return "ONE-SHOT";
 	case CAN_CTRLMODE_BERR_REPORTING:
-		return "berr-reporting";
+		return "BERR-REPORTING";
 	case CAN_CTRLMODE_FD:
-		return "fd";
+		return "FD";
 	case CAN_CTRLMODE_PRESUME_ACK:
-		return "presume-ack";
+		return "PRESUME-ACK";
 	case CAN_CTRLMODE_FD_NON_ISO:
-		return "fd-non-iso";
+		return "FD-NON-ISO";
 	case CAN_CTRLMODE_CC_LEN8_DLC:
-		return "cc-len8-dlc";
+		return "CC-LEN8-DLC";
 	case CAN_CTRLMODE_TDC_AUTO:
-		return "fd-tdc-auto";
+		return "TDC-AUTO";
 	case CAN_CTRLMODE_TDC_MANUAL:
-		return "fd-tdc-manual";
+		return "TDC-MANUAL";
+	case CAN_CTRLMODE_RESTRICTED:
+		return "RESTRICTED";
+	case CAN_CTRLMODE_XL:
+		return "XL";
+	case CAN_CTRLMODE_XL_TDC_AUTO:
+		return "XL-TDC-AUTO";
+	case CAN_CTRLMODE_XL_TDC_MANUAL:
+		return "XL-TDC-MANUAL";
+	case CAN_CTRLMODE_XL_TMS:
+		return "TMS";
 	default:
 		return "<unknown>";
 	}
@@ -348,7 +358,13 @@ void can_set_default_mtu(struct net_device *dev)
 {
 	struct can_priv *priv = netdev_priv(dev);
 
-	if (priv->ctrlmode & CAN_CTRLMODE_FD) {
+	if (priv->ctrlmode & CAN_CTRLMODE_XL) {
+		if (can_is_canxl_dev_mtu(dev->mtu))
+			return;
+		dev->mtu = CANXL_MTU;
+		dev->min_mtu = CANXL_MIN_MTU;
+		dev->max_mtu = CANXL_MAX_MTU;
+	} else if (priv->ctrlmode & CAN_CTRLMODE_FD) {
 		dev->mtu = CANFD_MTU;
 		dev->min_mtu = CANFD_MTU;
 		dev->max_mtu = CANFD_MTU;
@@ -359,44 +375,6 @@ void can_set_default_mtu(struct net_device *dev)
 	}
 }
 
-/* changing MTU and control mode for CAN/CANFD devices */
-int can_change_mtu(struct net_device *dev, int new_mtu)
-{
-	struct can_priv *priv = netdev_priv(dev);
-	u32 ctrlmode_static = can_get_static_ctrlmode(priv);
-
-	/* Do not allow changing the MTU while running */
-	if (dev->flags & IFF_UP)
-		return -EBUSY;
-
-	/* allow change of MTU according to the CANFD ability of the device */
-	switch (new_mtu) {
-	case CAN_MTU:
-		/* 'CANFD-only' controllers can not switch to CAN_MTU */
-		if (ctrlmode_static & CAN_CTRLMODE_FD)
-			return -EINVAL;
-
-		priv->ctrlmode &= ~CAN_CTRLMODE_FD;
-		break;
-
-	case CANFD_MTU:
-		/* check for potential CANFD ability */
-		if (!(priv->ctrlmode_supported & CAN_CTRLMODE_FD) &&
-		    !(ctrlmode_static & CAN_CTRLMODE_FD))
-			return -EINVAL;
-
-		priv->ctrlmode |= CAN_CTRLMODE_FD;
-		break;
-
-	default:
-		return -EINVAL;
-	}
-
-	WRITE_ONCE(dev->mtu, new_mtu);
-	return 0;
-}
-EXPORT_SYMBOL_GPL(can_change_mtu);
-
 /* helper to define static CAN controller features at device creation time */
 int can_set_static_ctrlmode(struct net_device *dev, u32 static_mode)
 {
@@ -417,34 +395,33 @@ int can_set_static_ctrlmode(struct net_device *dev, u32 static_mode)
 }
 EXPORT_SYMBOL_GPL(can_set_static_ctrlmode);
 
-/* generic implementation of netdev_ops::ndo_eth_ioctl for CAN devices
+/* generic implementation of netdev_ops::ndo_hwtstamp_get for CAN devices
  * supporting hardware timestamps
  */
-int can_eth_ioctl_hwts(struct net_device *netdev, struct ifreq *ifr, int cmd)
+int can_hwtstamp_get(struct net_device *netdev,
+		     struct kernel_hwtstamp_config *cfg)
 {
-	struct hwtstamp_config hwts_cfg = { 0 };
-
-	switch (cmd) {
-	case SIOCSHWTSTAMP: /* set */
-		if (copy_from_user(&hwts_cfg, ifr->ifr_data, sizeof(hwts_cfg)))
-			return -EFAULT;
-		if (hwts_cfg.tx_type == HWTSTAMP_TX_ON &&
-		    hwts_cfg.rx_filter == HWTSTAMP_FILTER_ALL)
-			return 0;
-		return -ERANGE;
-
-	case SIOCGHWTSTAMP: /* get */
-		hwts_cfg.tx_type = HWTSTAMP_TX_ON;
-		hwts_cfg.rx_filter = HWTSTAMP_FILTER_ALL;
-		if (copy_to_user(ifr->ifr_data, &hwts_cfg, sizeof(hwts_cfg)))
-			return -EFAULT;
-		return 0;
+	cfg->tx_type = HWTSTAMP_TX_ON;
+	cfg->rx_filter = HWTSTAMP_FILTER_ALL;
 
-	default:
-		return -EOPNOTSUPP;
-	}
+	return 0;
+}
+EXPORT_SYMBOL(can_hwtstamp_get);
+
+/* generic implementation of netdev_ops::ndo_hwtstamp_set for CAN devices
+ * supporting hardware timestamps
+ */
+int can_hwtstamp_set(struct net_device *netdev,
+		     struct kernel_hwtstamp_config *cfg,
+		     struct netlink_ext_ack *extack)
+{
+	if (cfg->tx_type == HWTSTAMP_TX_ON &&
+	    cfg->rx_filter == HWTSTAMP_FILTER_ALL)
+		return 0;
+	NL_SET_ERR_MSG_MOD(extack, "Only TX on and RX all packets filter supported");
+	return -ERANGE;
 }
-EXPORT_SYMBOL(can_eth_ioctl_hwts);
+EXPORT_SYMBOL(can_hwtstamp_set);
 
 /* generic implementation of ethtool_ops::get_ts_info for CAN devices
  * supporting hardware timestamps