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, 240 insertions, 0 deletions

diff --git a/net/mac80211/he.c b/net/mac80211/he.c
new file mode 100644
index 000000000..729f26152
--- /dev/null
+++ b/net/mac80211/he.c
@@ -0,0 +1,240 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * HE handling
+ *
+ * Copyright(c) 2017 Intel Deutschland GmbH
+ * Copyright(c) 2019 - 2022 Intel Corporation
+ */
+
+#include "ieee80211_i.h"
+
+static void
+ieee80211_update_from_he_6ghz_capa(const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
+				   struct link_sta_info *link_sta)
+{
+	struct sta_info *sta = link_sta->sta;
+	enum ieee80211_smps_mode smps_mode;
+
+	if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
+	    sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
+		switch (le16_get_bits(he_6ghz_capa->capa,
+				      IEEE80211_HE_6GHZ_CAP_SM_PS)) {
+		case WLAN_HT_CAP_SM_PS_INVALID:
+		case WLAN_HT_CAP_SM_PS_STATIC:
+			smps_mode = IEEE80211_SMPS_STATIC;
+			break;
+		case WLAN_HT_CAP_SM_PS_DYNAMIC:
+			smps_mode = IEEE80211_SMPS_DYNAMIC;
+			break;
+		case WLAN_HT_CAP_SM_PS_DISABLED:
+			smps_mode = IEEE80211_SMPS_OFF;
+			break;
+		}
+
+		link_sta->pub->smps_mode = smps_mode;
+	} else {
+		link_sta->pub->smps_mode = IEEE80211_SMPS_OFF;
+	}
+
+	switch (le16_get_bits(he_6ghz_capa->capa,
+			      IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN)) {
+	case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
+		link_sta->pub->agg.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_11454;
+		break;
+	case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
+		link_sta->pub->agg.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_7991;
+		break;
+	case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
+	default:
+		link_sta->pub->agg.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_3895;
+		break;
+	}
+
+	ieee80211_sta_recalc_aggregates(&sta->sta);
+
+	link_sta->pub->he_6ghz_capa = *he_6ghz_capa;
+}
+
+static void ieee80211_he_mcs_disable(__le16 *he_mcs)
+{
+	u32 i;
+
+	for (i = 0; i < 8; i++)
+		*he_mcs |= cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2);
+}
+
+static void ieee80211_he_mcs_intersection(__le16 *he_own_rx, __le16 *he_peer_rx,
+					  __le16 *he_own_tx, __le16 *he_peer_tx)
+{
+	u32 i;
+	u16 own_rx, own_tx, peer_rx, peer_tx;
+
+	for (i = 0; i < 8; i++) {
+		own_rx = le16_to_cpu(*he_own_rx);
+		own_rx = (own_rx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
+
+		own_tx = le16_to_cpu(*he_own_tx);
+		own_tx = (own_tx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
+
+		peer_rx = le16_to_cpu(*he_peer_rx);
+		peer_rx = (peer_rx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
+
+		peer_tx = le16_to_cpu(*he_peer_tx);
+		peer_tx = (peer_tx >> i * 2) & IEEE80211_HE_MCS_NOT_SUPPORTED;
+
+		if (peer_tx != IEEE80211_HE_MCS_NOT_SUPPORTED) {
+			if (own_rx == IEEE80211_HE_MCS_NOT_SUPPORTED)
+				peer_tx = IEEE80211_HE_MCS_NOT_SUPPORTED;
+			else if (own_rx < peer_tx)
+				peer_tx = own_rx;
+		}
+
+		if (peer_rx != IEEE80211_HE_MCS_NOT_SUPPORTED) {
+			if (own_tx == IEEE80211_HE_MCS_NOT_SUPPORTED)
+				peer_rx = IEEE80211_HE_MCS_NOT_SUPPORTED;
+			else if (own_tx < peer_rx)
+				peer_rx = own_tx;
+		}
+
+		*he_peer_rx &=
+			~cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2);
+		*he_peer_rx |= cpu_to_le16(peer_rx << i * 2);
+
+		*he_peer_tx &=
+			~cpu_to_le16(IEEE80211_HE_MCS_NOT_SUPPORTED << i * 2);
+		*he_peer_tx |= cpu_to_le16(peer_tx << i * 2);
+	}
+}
+
+void
+ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
+				  struct ieee80211_supported_band *sband,
+				  const u8 *he_cap_ie, u8 he_cap_len,
+				  const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
+				  struct link_sta_info *link_sta)
+{
+	struct ieee80211_sta_he_cap *he_cap = &link_sta->pub->he_cap;
+	struct ieee80211_sta_he_cap own_he_cap;
+	struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie;
+	u8 he_ppe_size;
+	u8 mcs_nss_size;
+	u8 he_total_size;
+	bool own_160, peer_160, own_80p80, peer_80p80;
+
+	memset(he_cap, 0, sizeof(*he_cap));
+
+	if (!he_cap_ie ||
+	    !ieee80211_get_he_iftype_cap(sband,
+					 ieee80211_vif_type_p2p(&sdata->vif)))
+		return;
+
+	own_he_cap = sband->iftype_data->he_cap;
+
+	/* Make sure size is OK */
+	mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap_ie_elem);
+	he_ppe_size =
+		ieee80211_he_ppe_size(he_cap_ie[sizeof(he_cap->he_cap_elem) +
+						mcs_nss_size],
+				      he_cap_ie_elem->phy_cap_info);
+	he_total_size = sizeof(he_cap->he_cap_elem) + mcs_nss_size +
+			he_ppe_size;
+	if (he_cap_len < he_total_size)
+		return;
+
+	memcpy(&he_cap->he_cap_elem, he_cap_ie, sizeof(he_cap->he_cap_elem));
+
+	/* HE Tx/Rx HE MCS NSS Support Field */
+	memcpy(&he_cap->he_mcs_nss_supp,
+	       &he_cap_ie[sizeof(he_cap->he_cap_elem)], mcs_nss_size);
+
+	/* Check if there are (optional) PPE Thresholds */
+	if (he_cap->he_cap_elem.phy_cap_info[6] &
+	    IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
+		memcpy(he_cap->ppe_thres,
+		       &he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size],
+		       he_ppe_size);
+
+	he_cap->has_he = true;
+
+	link_sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(link_sta);
+	link_sta->pub->bandwidth = ieee80211_sta_cur_vht_bw(link_sta);
+
+	if (sband->band == NL80211_BAND_6GHZ && he_6ghz_capa)
+		ieee80211_update_from_he_6ghz_capa(he_6ghz_capa, link_sta);
+
+	ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_80,
+				      &he_cap->he_mcs_nss_supp.rx_mcs_80,
+				      &own_he_cap.he_mcs_nss_supp.tx_mcs_80,
+				      &he_cap->he_mcs_nss_supp.tx_mcs_80);
+
+	own_160 = own_he_cap.he_cap_elem.phy_cap_info[0] &
+		  IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
+	peer_160 = he_cap->he_cap_elem.phy_cap_info[0] &
+		   IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
+
+	if (peer_160 && own_160) {
+		ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_160,
+					      &he_cap->he_mcs_nss_supp.rx_mcs_160,
+					      &own_he_cap.he_mcs_nss_supp.tx_mcs_160,
+					      &he_cap->he_mcs_nss_supp.tx_mcs_160);
+	} else if (peer_160 && !own_160) {
+		ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.rx_mcs_160);
+		ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.tx_mcs_160);
+		he_cap->he_cap_elem.phy_cap_info[0] &=
+			~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
+	}
+
+	own_80p80 = own_he_cap.he_cap_elem.phy_cap_info[0] &
+		    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
+	peer_80p80 = he_cap->he_cap_elem.phy_cap_info[0] &
+		     IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
+
+	if (peer_80p80 && own_80p80) {
+		ieee80211_he_mcs_intersection(&own_he_cap.he_mcs_nss_supp.rx_mcs_80p80,
+					      &he_cap->he_mcs_nss_supp.rx_mcs_80p80,
+					      &own_he_cap.he_mcs_nss_supp.tx_mcs_80p80,
+					      &he_cap->he_mcs_nss_supp.tx_mcs_80p80);
+	} else if (peer_80p80 && !own_80p80) {
+		ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.rx_mcs_80p80);
+		ieee80211_he_mcs_disable(&he_cap->he_mcs_nss_supp.tx_mcs_80p80);
+		he_cap->he_cap_elem.phy_cap_info[0] &=
+			~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
+	}
+}
+
+void
+ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
+			const struct ieee80211_he_operation *he_op_ie)
+{
+	memset(&vif->bss_conf.he_oper, 0, sizeof(vif->bss_conf.he_oper));
+	if (!he_op_ie)
+		return;
+
+	vif->bss_conf.he_oper.params = __le32_to_cpu(he_op_ie->he_oper_params);
+	vif->bss_conf.he_oper.nss_set = __le16_to_cpu(he_op_ie->he_mcs_nss_set);
+}
+
+void
+ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
+				const struct ieee80211_he_spr *he_spr_ie_elem)
+{
+	struct ieee80211_he_obss_pd *he_obss_pd =
+					&vif->bss_conf.he_obss_pd;
+	const u8 *data;
+
+	memset(he_obss_pd, 0, sizeof(*he_obss_pd));
+
+	if (!he_spr_ie_elem)
+		return;
+	data = he_spr_ie_elem->optional;
+
+	if (he_spr_ie_elem->he_sr_control &
+	    IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
+		data++;
+	if (he_spr_ie_elem->he_sr_control &
+	    IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
+		he_obss_pd->max_offset = *data++;
+		he_obss_pd->min_offset = *data++;
+		he_obss_pd->enable = true;
+	}
+}