Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted

Pull networking updates from Jakub Kicinski:
 "Core:

   - Add dedicated kmem_cache for typical/small skb->head, avoid having
     to access struct page at kfree time, and improve memory use.

   - Introduce sysctl to set default RPS configuration for new netdevs.

   - Define Netlink protocol specification format which can be used to
     describe messages used by each family and auto-generate parsers.
     Add tools for generating kernel data structures and uAPI headers.

   - Expose all net/core sysctls inside netns.

   - Remove 4s sleep in netpoll if carrier is instantly detected on
     boot.

   - Add configurable limit of MDB entries per port, and port-vlan.

   - Continue populating drop reasons throughout the stack.

   - Retire a handful of legacy Qdiscs and classifiers.

  Protocols:

   - Support IPv4 big TCP (TSO frames larger than 64kB).

   - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
     on socket by socket basis.

   - Track and report in procfs number of MPTCP sockets used.

   - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
     manager.

   - IPv6: don't check net.ipv6.route.max_size and rely on garbage
     collection to free memory (similarly to IPv4).

   - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).

   - ICMP: add per-rate limit counters.

   - Add support for user scanning requests in ieee802154.

   - Remove static WEP support.

   - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
     reporting.

   - WiFi 7 EHT channel puncturing support (client & AP).

  BPF:

   - Add a rbtree data structure following the "next-gen data structure"
     precedent set by recently added linked list, that is, by using
     kfunc + kptr instead of adding a new BPF map type.

   - Expose XDP hints via kfuncs with initial support for RX hash and
     timestamp metadata.

   - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
     better support decap on GRE tunnel devices not operating in collect
     metadata.

   - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.

   - Remove the need for trace_printk_lock for bpf_trace_printk and
     bpf_trace_vprintk helpers.

   - Extend libbpf's bpf_tracing.h support for tracing arguments of
     kprobes/uprobes and syscall as a special case.

   - Significantly reduce the search time for module symbols by
     livepatch and BPF.

   - Enable cpumasks to be used as kptrs, which is useful for tracing
     programs tracking which tasks end up running on which CPUs in
     different time intervals.

   - Add support for BPF trampoline on s390x and riscv64.

   - Add capability to export the XDP features supported by the NIC.

   - Add __bpf_kfunc tag for marking kernel functions as kfuncs.

   - Add cgroup.memory=nobpf kernel parameter option to disable BPF
     memory accounting for container environments.

  Netfilter:

   - Remove the CLUSTERIP target. It has been marked as obsolete for
     years, and we still have WARN splats wrt races of the out-of-band
     /proc interface installed by this target.

   - Add 'destroy' commands to nf_tables. They are identical to the
     existing 'delete' commands, but do not return an error if the
     referenced object (set, chain, rule...) did not exist.

  Driver API:

   - Improve cpumask_local_spread() locality to help NICs set the right
     IRQ affinity on AMD platforms.

   - Separate C22 and C45 MDIO bus transactions more clearly.

   - Introduce new DCB table to control DSCP rewrite on egress.

   - Support configuration of Physical Layer Collision Avoidance (PLCA)
     Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
     shared medium Ethernet.

   - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
     preemption of low priority frames by high priority frames.

   - Add support for controlling MACSec offload using netlink SET.

   - Rework devlink instance refcounts to allow registration and
     de-registration under the instance lock. Split the code into
     multiple files, drop some of the unnecessarily granular locks and
     factor out common parts of netlink operation handling.

   - Add TX frame aggregation parameters (for USB drivers).

   - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
     messages with notifications for debug.

   - Allow offloading of UDP NEW connections via act_ct.

   - Add support for per action HW stats in TC.

   - Support hardware miss to TC action (continue processing in SW from
     a specific point in the action chain).

   - Warn if old Wireless Extension user space interface is used with
     modern cfg80211/mac80211 drivers. Do not support Wireless
     Extensions for Wi-Fi 7 devices at all. Everyone should switch to
     using nl80211 interface instead.

   - Improve the CAN bit timing configuration. Use extack to return
     error messages directly to user space, update the SJW handling,
     including the definition of a new default value that will benefit
     CAN-FD controllers, by increasing their oscillator tolerance.

  New hardware / drivers:

   - Ethernet:
      - nVidia BlueField-3 support (control traffic driver)
      - Ethernet support for imx93 SoCs
      - Motorcomm yt8531 gigabit Ethernet PHY
      - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
      - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
      - Amlogic gxl MDIO mux

   - WiFi:
      - RealTek RTL8188EU (rtl8xxxu)
      - Qualcomm Wi-Fi 7 devices (ath12k)

   - CAN:
      - Renesas R-Car V4H

  Drivers:

   - Bluetooth:
      - Set Per Platform Antenna Gain (PPAG) for Intel controllers.

   - Ethernet NICs:
      - Intel (1G, igc):
         - support TSN / Qbv / packet scheduling features of i226 model
      - Intel (100G, ice):
         - use GNSS subsystem instead of TTY
         - multi-buffer XDP support
         - extend support for GPIO pins to E823 devices
      - nVidia/Mellanox:
         - update the shared buffer configuration on PFC commands
         - implement PTP adjphase function for HW offset control
         - TC support for Geneve and GRE with VF tunnel offload
         - more efficient crypto key management method
         - multi-port eswitch support
      - Netronome/Corigine:
         - add DCB IEEE support
         - support IPsec offloading for NFP3800
      - Freescale/NXP (enetc):
         - support XDP_REDIRECT for XDP non-linear buffers
         - improve reconfig, avoid link flap and waiting for idle
         - support MAC Merge layer
      - Other NICs:
         - sfc/ef100: add basic devlink support for ef100
         - ionic: rx_push mode operation (writing descriptors via MMIO)
         - bnxt: use the auxiliary bus abstraction for RDMA
         - r8169: disable ASPM and reset bus in case of tx timeout
         - cpsw: support QSGMII mode for J721e CPSW9G
         - cpts: support pulse-per-second output
         - ngbe: add an mdio bus driver
         - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
         - r8152: handle devices with FW with NCM support
         - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
         - virtio-net: support multi buffer XDP
         - virtio/vsock: replace virtio_vsock_pkt with sk_buff
         - tsnep: XDP support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add support for latency TLV (in FW control messages)
      - Microchip (sparx5):
         - separate explicit and implicit traffic forwarding rules, make
           the implicit rules always active
         - add support for egress DSCP rewrite
         - IS0 VCAP support (Ingress Classification)
         - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
           etc.)
         - ES2 VCAP support (Egress Access Control)
         - support for Per-Stream Filtering and Policing (802.1Q,
           8.6.5.1)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - add MAB (port auth) offload support
         - enable PTP receive for mv88e6390
      - NXP (ocelot):
         - support MAC Merge layer
         - support for the the vsc7512 internal copper phys
      - Microchip:
         - lan9303: convert to PHYLINK
         - lan966x: support TC flower filter statistics
         - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
         - lan937x: support Credit Based Shaper configuration
         - ksz9477: support Energy Efficient Ethernet
      - other:
         - qca8k: convert to regmap read/write API, use bulk operations
         - rswitch: Improve TX timestamp accuracy

   - Intel WiFi (iwlwifi):
      - EHT (Wi-Fi 7) rate reporting
      - STEP equalizer support: transfer some STEP (connection to radio
        on platforms with integrated wifi) related parameters from the
        BIOS to the firmware.

   - Qualcomm 802.11ax WiFi (ath11k):
      - IPQ5018 support
      - Fine Timing Measurement (FTM) responder role support
      - channel 177 support

   - MediaTek WiFi (mt76):
      - per-PHY LED support
      - mt7996: EHT (Wi-Fi 7) support
      - Wireless Ethernet Dispatch (WED) reset support
      - switch to using page pool allocator

   - RealTek WiFi (rtw89):
      - support new version of Bluetooth co-existance

   - Mobile:
      - rmnet: support TX aggregation"

* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
  page_pool: add a comment explaining the fragment counter usage
  net: ethtool: fix __ethtool_dev_mm_supported() implementation
  ethtool: pse-pd: Fix double word in comments
  xsk: add linux/vmalloc.h to xsk.c
  sefltests: netdevsim: wait for devlink instance after netns removal
  selftest: fib_tests: Always cleanup before exit
  net/mlx5e: Align IPsec ASO result memory to be as required by hardware
  net/mlx5e: TC, Set CT miss to the specific ct action instance
  net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
  net/mlx5: Refactor tc miss handling to a single function
  net/mlx5: Kconfig: Make tc offload depend on tc skb extension
  net/sched: flower: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: Rename user cookie and act cookie
  sfc: fix builds without CONFIG_RTC_LIB
  sfc: clean up some inconsistent indentings
  net/mlx4_en: Introduce flexible array to silence overflow warning
  net: lan966x: Fix possible deadlock inside PTP
  net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
  ...

1 files changed, 222 insertions, 0 deletions

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-ethtool.c
new file mode 100644
index 000000000..6bc1988be
--- /dev/null
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-ethtool.c
@@ -0,0 +1,222 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DPAA2 Ethernet Switch ethtool support
+ *
+ * Copyright 2014-2016 Freescale Semiconductor Inc.
+ * Copyright 2017-2018 NXP
+ *
+ */
+
+#include <linux/ethtool.h>
+
+#include "dpaa2-switch.h"
+
+static struct {
+	enum dpsw_counter id;
+	char name[ETH_GSTRING_LEN];
+} dpaa2_switch_ethtool_counters[] =  {
+	{DPSW_CNT_ING_FRAME,		"[hw] rx frames"},
+	{DPSW_CNT_ING_BYTE,		"[hw] rx bytes"},
+	{DPSW_CNT_ING_FLTR_FRAME,	"[hw] rx filtered frames"},
+	{DPSW_CNT_ING_FRAME_DISCARD,	"[hw] rx discarded frames"},
+	{DPSW_CNT_ING_BCAST_FRAME,	"[hw] rx bcast frames"},
+	{DPSW_CNT_ING_BCAST_BYTES,	"[hw] rx bcast bytes"},
+	{DPSW_CNT_ING_MCAST_FRAME,	"[hw] rx mcast frames"},
+	{DPSW_CNT_ING_MCAST_BYTE,	"[hw] rx mcast bytes"},
+	{DPSW_CNT_EGR_FRAME,		"[hw] tx frames"},
+	{DPSW_CNT_EGR_BYTE,		"[hw] tx bytes"},
+	{DPSW_CNT_EGR_FRAME_DISCARD,	"[hw] tx discarded frames"},
+	{DPSW_CNT_ING_NO_BUFF_DISCARD,	"[hw] rx nobuffer discards"},
+};
+
+#define DPAA2_SWITCH_NUM_COUNTERS	ARRAY_SIZE(dpaa2_switch_ethtool_counters)
+
+static void dpaa2_switch_get_drvinfo(struct net_device *netdev,
+				     struct ethtool_drvinfo *drvinfo)
+{
+	struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+	u16 version_major, version_minor;
+	int err;
+
+	strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
+
+	err = dpsw_get_api_version(port_priv->ethsw_data->mc_io, 0,
+				   &version_major,
+				   &version_minor);
+	if (err)
+		strscpy(drvinfo->fw_version, "N/A",
+			sizeof(drvinfo->fw_version));
+	else
+		snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
+			 "%u.%u", version_major, version_minor);
+
+	strscpy(drvinfo->bus_info, dev_name(netdev->dev.parent->parent),
+		sizeof(drvinfo->bus_info));
+}
+
+static int
+dpaa2_switch_get_link_ksettings(struct net_device *netdev,
+				struct ethtool_link_ksettings *link_ksettings)
+{
+	struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+	struct dpsw_link_state state = {0};
+	int err;
+
+	mutex_lock(&port_priv->mac_lock);
+
+	if (dpaa2_switch_port_is_type_phy(port_priv)) {
+		err = phylink_ethtool_ksettings_get(port_priv->mac->phylink,
+						    link_ksettings);
+		mutex_unlock(&port_priv->mac_lock);
+		return err;
+	}
+
+	mutex_unlock(&port_priv->mac_lock);
+
+	err = dpsw_if_get_link_state(port_priv->ethsw_data->mc_io, 0,
+				     port_priv->ethsw_data->dpsw_handle,
+				     port_priv->idx,
+				     &state);
+	if (err) {
+		netdev_err(netdev, "ERROR %d getting link state\n", err);
+		goto out;
+	}
+
+	/* At the moment, we have no way of interrogating the DPMAC
+	 * from the DPSW side or there may not exist a DPMAC at all.
+	 * Report only autoneg state, duplexity and speed.
+	 */
+	if (state.options & DPSW_LINK_OPT_AUTONEG)
+		link_ksettings->base.autoneg = AUTONEG_ENABLE;
+	if (!(state.options & DPSW_LINK_OPT_HALF_DUPLEX))
+		link_ksettings->base.duplex = DUPLEX_FULL;
+	link_ksettings->base.speed = state.rate;
+
+out:
+	return err;
+}
+
+static int
+dpaa2_switch_set_link_ksettings(struct net_device *netdev,
+				const struct ethtool_link_ksettings *link_ksettings)
+{
+	struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+	struct ethsw_core *ethsw = port_priv->ethsw_data;
+	struct dpsw_link_cfg cfg = {0};
+	bool if_running;
+	int err = 0, ret;
+
+	mutex_lock(&port_priv->mac_lock);
+
+	if (dpaa2_switch_port_is_type_phy(port_priv)) {
+		err = phylink_ethtool_ksettings_set(port_priv->mac->phylink,
+						    link_ksettings);
+		mutex_unlock(&port_priv->mac_lock);
+		return err;
+	}
+
+	mutex_unlock(&port_priv->mac_lock);
+
+	/* Interface needs to be down to change link settings */
+	if_running = netif_running(netdev);
+	if (if_running) {
+		err = dpsw_if_disable(ethsw->mc_io, 0,
+				      ethsw->dpsw_handle,
+				      port_priv->idx);
+		if (err) {
+			netdev_err(netdev, "dpsw_if_disable err %d\n", err);
+			return err;
+		}
+	}
+
+	cfg.rate = link_ksettings->base.speed;
+	if (link_ksettings->base.autoneg == AUTONEG_ENABLE)
+		cfg.options |= DPSW_LINK_OPT_AUTONEG;
+	else
+		cfg.options &= ~DPSW_LINK_OPT_AUTONEG;
+	if (link_ksettings->base.duplex  == DUPLEX_HALF)
+		cfg.options |= DPSW_LINK_OPT_HALF_DUPLEX;
+	else
+		cfg.options &= ~DPSW_LINK_OPT_HALF_DUPLEX;
+
+	err = dpsw_if_set_link_cfg(port_priv->ethsw_data->mc_io, 0,
+				   port_priv->ethsw_data->dpsw_handle,
+				   port_priv->idx,
+				   &cfg);
+
+	if (if_running) {
+		ret = dpsw_if_enable(ethsw->mc_io, 0,
+				     ethsw->dpsw_handle,
+				     port_priv->idx);
+		if (ret) {
+			netdev_err(netdev, "dpsw_if_enable err %d\n", ret);
+			return ret;
+		}
+	}
+	return err;
+}
+
+static int
+dpaa2_switch_ethtool_get_sset_count(struct net_device *netdev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return DPAA2_SWITCH_NUM_COUNTERS + dpaa2_mac_get_sset_count();
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static void dpaa2_switch_ethtool_get_strings(struct net_device *netdev,
+					     u32 stringset, u8 *data)
+{
+	u8 *p = data;
+	int i;
+
+	switch (stringset) {
+	case ETH_SS_STATS:
+		for (i = 0; i < DPAA2_SWITCH_NUM_COUNTERS; i++) {
+			memcpy(p, dpaa2_switch_ethtool_counters[i].name,
+			       ETH_GSTRING_LEN);
+			p += ETH_GSTRING_LEN;
+		}
+		dpaa2_mac_get_strings(p);
+		break;
+	}
+}
+
+static void dpaa2_switch_ethtool_get_stats(struct net_device *netdev,
+					   struct ethtool_stats *stats,
+					   u64 *data)
+{
+	struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+	int i, err;
+
+	for (i = 0; i < DPAA2_SWITCH_NUM_COUNTERS; i++) {
+		err = dpsw_if_get_counter(port_priv->ethsw_data->mc_io, 0,
+					  port_priv->ethsw_data->dpsw_handle,
+					  port_priv->idx,
+					  dpaa2_switch_ethtool_counters[i].id,
+					  &data[i]);
+		if (err)
+			netdev_err(netdev, "dpsw_if_get_counter[%s] err %d\n",
+				   dpaa2_switch_ethtool_counters[i].name, err);
+	}
+
+	mutex_lock(&port_priv->mac_lock);
+
+	if (dpaa2_switch_port_has_mac(port_priv))
+		dpaa2_mac_get_ethtool_stats(port_priv->mac, data + i);
+
+	mutex_unlock(&port_priv->mac_lock);
+}
+
+const struct ethtool_ops dpaa2_switch_port_ethtool_ops = {
+	.get_drvinfo		= dpaa2_switch_get_drvinfo,
+	.get_link		= ethtool_op_get_link,
+	.get_link_ksettings	= dpaa2_switch_get_link_ksettings,
+	.set_link_ksettings	= dpaa2_switch_set_link_ksettings,
+	.get_strings		= dpaa2_switch_ethtool_get_strings,
+	.get_ethtool_stats	= dpaa2_switch_ethtool_get_stats,
+	.get_sset_count		= dpaa2_switch_ethtool_get_sset_count,
+};