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, 263 insertions, 0 deletions

diff --git a/drivers/net/ethernet/freescale/enetc/enetc_vf.c b/drivers/net/ethernet/freescale/enetc/enetc_vf.c
new file mode 100644
index 000000000..dfcaac302
--- /dev/null
+++ b/drivers/net/ethernet/freescale/enetc/enetc_vf.c
@@ -0,0 +1,263 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/* Copyright 2017-2019 NXP */
+
+#include <linux/module.h>
+#include "enetc.h"
+
+#define ENETC_DRV_NAME_STR "ENETC VF driver"
+
+/* Messaging */
+static void enetc_msg_vsi_write_msg(struct enetc_hw *hw,
+				    struct enetc_msg_swbd *msg)
+{
+	u32 val;
+
+	val = enetc_vsi_set_msize(msg->size) | lower_32_bits(msg->dma);
+	enetc_wr(hw, ENETC_VSIMSGSNDAR1, upper_32_bits(msg->dma));
+	enetc_wr(hw, ENETC_VSIMSGSNDAR0, val);
+}
+
+static int enetc_msg_vsi_send(struct enetc_si *si, struct enetc_msg_swbd *msg)
+{
+	int timeout = 100;
+	u32 vsimsgsr;
+
+	enetc_msg_vsi_write_msg(&si->hw, msg);
+
+	do {
+		vsimsgsr = enetc_rd(&si->hw, ENETC_VSIMSGSR);
+		if (!(vsimsgsr & ENETC_VSIMSGSR_MB))
+			break;
+
+		usleep_range(1000, 2000);
+	} while (--timeout);
+
+	if (!timeout)
+		return -ETIMEDOUT;
+
+	/* check for message delivery error */
+	if (vsimsgsr & ENETC_VSIMSGSR_MS) {
+		dev_err(&si->pdev->dev, "VSI command execute error: %d\n",
+			ENETC_SIMSGSR_GET_MC(vsimsgsr));
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int enetc_msg_vsi_set_primary_mac_addr(struct enetc_ndev_priv *priv,
+					      struct sockaddr *saddr)
+{
+	struct enetc_msg_cmd_set_primary_mac *cmd;
+	struct enetc_msg_swbd msg;
+	int err;
+
+	msg.size = ALIGN(sizeof(struct enetc_msg_cmd_set_primary_mac), 64);
+	msg.vaddr = dma_alloc_coherent(priv->dev, msg.size, &msg.dma,
+				       GFP_KERNEL);
+	if (!msg.vaddr) {
+		dev_err(priv->dev, "Failed to alloc Tx msg (size: %d)\n",
+			msg.size);
+		return -ENOMEM;
+	}
+
+	cmd = (struct enetc_msg_cmd_set_primary_mac *)msg.vaddr;
+	cmd->header.type = ENETC_MSG_CMD_MNG_MAC;
+	cmd->header.id = ENETC_MSG_CMD_MNG_ADD;
+	memcpy(&cmd->mac, saddr, sizeof(struct sockaddr));
+
+	/* send the command and wait */
+	err = enetc_msg_vsi_send(priv->si, &msg);
+
+	dma_free_coherent(priv->dev, msg.size, msg.vaddr, msg.dma);
+
+	return err;
+}
+
+static int enetc_vf_set_mac_addr(struct net_device *ndev, void *addr)
+{
+	struct enetc_ndev_priv *priv = netdev_priv(ndev);
+	struct sockaddr *saddr = addr;
+
+	if (!is_valid_ether_addr(saddr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	return enetc_msg_vsi_set_primary_mac_addr(priv, saddr);
+}
+
+static int enetc_vf_set_features(struct net_device *ndev,
+				 netdev_features_t features)
+{
+	enetc_set_features(ndev, features);
+
+	return 0;
+}
+
+static int enetc_vf_setup_tc(struct net_device *ndev, enum tc_setup_type type,
+			     void *type_data)
+{
+	switch (type) {
+	case TC_SETUP_QDISC_MQPRIO:
+		return enetc_setup_tc_mqprio(ndev, type_data);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+/* Probing/ Init */
+static const struct net_device_ops enetc_ndev_ops = {
+	.ndo_open		= enetc_open,
+	.ndo_stop		= enetc_close,
+	.ndo_start_xmit		= enetc_xmit,
+	.ndo_get_stats		= enetc_get_stats,
+	.ndo_set_mac_address	= enetc_vf_set_mac_addr,
+	.ndo_set_features	= enetc_vf_set_features,
+	.ndo_eth_ioctl		= enetc_ioctl,
+	.ndo_setup_tc		= enetc_vf_setup_tc,
+};
+
+static void enetc_vf_netdev_setup(struct enetc_si *si, struct net_device *ndev,
+				  const struct net_device_ops *ndev_ops)
+{
+	struct enetc_ndev_priv *priv = netdev_priv(ndev);
+
+	SET_NETDEV_DEV(ndev, &si->pdev->dev);
+	priv->ndev = ndev;
+	priv->si = si;
+	priv->dev = &si->pdev->dev;
+	si->ndev = ndev;
+
+	priv->msg_enable = (NETIF_MSG_IFUP << 1) - 1;
+	ndev->netdev_ops = ndev_ops;
+	enetc_set_ethtool_ops(ndev);
+	ndev->watchdog_timeo = 5 * HZ;
+	ndev->max_mtu = ENETC_MAX_MTU;
+
+	ndev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM |
+			    NETIF_F_HW_VLAN_CTAG_TX |
+			    NETIF_F_HW_VLAN_CTAG_RX |
+			    NETIF_F_HW_CSUM | NETIF_F_TSO | NETIF_F_TSO6;
+	ndev->features = NETIF_F_HIGHDMA | NETIF_F_SG | NETIF_F_RXCSUM |
+			 NETIF_F_HW_VLAN_CTAG_TX |
+			 NETIF_F_HW_VLAN_CTAG_RX |
+			 NETIF_F_HW_CSUM | NETIF_F_TSO | NETIF_F_TSO6;
+	ndev->vlan_features = NETIF_F_SG | NETIF_F_HW_CSUM |
+			      NETIF_F_TSO | NETIF_F_TSO6;
+
+	if (si->num_rss)
+		ndev->hw_features |= NETIF_F_RXHASH;
+
+	/* pick up primary MAC address from SI */
+	enetc_load_primary_mac_addr(&si->hw, ndev);
+}
+
+static int enetc_vf_probe(struct pci_dev *pdev,
+			  const struct pci_device_id *ent)
+{
+	struct enetc_ndev_priv *priv;
+	struct net_device *ndev;
+	struct enetc_si *si;
+	int err;
+
+	err = enetc_pci_probe(pdev, KBUILD_MODNAME, 0);
+	if (err)
+		return dev_err_probe(&pdev->dev, err, "PCI probing failed\n");
+
+	si = pci_get_drvdata(pdev);
+
+	enetc_get_si_caps(si);
+
+	ndev = alloc_etherdev_mq(sizeof(*priv), ENETC_MAX_NUM_TXQS);
+	if (!ndev) {
+		err = -ENOMEM;
+		dev_err(&pdev->dev, "netdev creation failed\n");
+		goto err_alloc_netdev;
+	}
+
+	enetc_vf_netdev_setup(si, ndev, &enetc_ndev_ops);
+
+	priv = netdev_priv(ndev);
+
+	enetc_init_si_rings_params(priv);
+
+	err = enetc_setup_cbdr(priv->dev, &si->hw, ENETC_CBDR_DEFAULT_SIZE,
+			       &si->cbd_ring);
+	if (err)
+		goto err_setup_cbdr;
+
+	err = enetc_alloc_si_resources(priv);
+	if (err) {
+		dev_err(&pdev->dev, "SI resource alloc failed\n");
+		goto err_alloc_si_res;
+	}
+
+	err = enetc_configure_si(priv);
+	if (err) {
+		dev_err(&pdev->dev, "Failed to configure SI\n");
+		goto err_config_si;
+	}
+
+	err = enetc_alloc_msix(priv);
+	if (err) {
+		dev_err(&pdev->dev, "MSIX alloc failed\n");
+		goto err_alloc_msix;
+	}
+
+	err = register_netdev(ndev);
+	if (err)
+		goto err_reg_netdev;
+
+	netif_carrier_off(ndev);
+
+	return 0;
+
+err_reg_netdev:
+	enetc_free_msix(priv);
+err_config_si:
+err_alloc_msix:
+	enetc_free_si_resources(priv);
+err_alloc_si_res:
+	enetc_teardown_cbdr(&si->cbd_ring);
+err_setup_cbdr:
+	si->ndev = NULL;
+	free_netdev(ndev);
+err_alloc_netdev:
+	enetc_pci_remove(pdev);
+
+	return err;
+}
+
+static void enetc_vf_remove(struct pci_dev *pdev)
+{
+	struct enetc_si *si = pci_get_drvdata(pdev);
+	struct enetc_ndev_priv *priv;
+
+	priv = netdev_priv(si->ndev);
+	unregister_netdev(si->ndev);
+
+	enetc_free_msix(priv);
+
+	enetc_free_si_resources(priv);
+	enetc_teardown_cbdr(&si->cbd_ring);
+
+	free_netdev(si->ndev);
+
+	enetc_pci_remove(pdev);
+}
+
+static const struct pci_device_id enetc_vf_id_table[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, ENETC_DEV_ID_VF) },
+	{ 0, } /* End of table. */
+};
+MODULE_DEVICE_TABLE(pci, enetc_vf_id_table);
+
+static struct pci_driver enetc_vf_driver = {
+	.name = KBUILD_MODNAME,
+	.id_table = enetc_vf_id_table,
+	.probe = enetc_vf_probe,
+	.remove = enetc_vf_remove,
+};
+module_pci_driver(enetc_vf_driver);
+
+MODULE_DESCRIPTION(ENETC_DRV_NAME_STR);
+MODULE_LICENSE("Dual BSD/GPL");