Merge tag 'net-next-7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextHEADmaster

Pull networking updates from Paolo Abeni:
 "This includes a significant number of low-priority fixes - especially
  in the NIC drivers area - that we deferred from the last few RCs in
  the previous cycle, which can't be easily outlined in the synopsis
  below.

  Core & protocols:

   - Continue the work on removing rtnl_lock dependencies:
      - per-netns ARP and ND neighbour tables, with the default settings
        now configurable per netns (inheritance from init_net is
        controlled by the new net.core.neigh_inherit_init_net sysctl)
      - RCU-protected configuration and rtnl_lock-less fill_info() for
        hsr, netkit, sit, vlan and vxlan devices
      - per-netns device unregistration for ip tunnel and gre devices
      - use the netdev instance lock instead of rtnl_lock when reading
        speed and duplex via sysfs
      - batch the flushing of uncached routes at device unregistration
        time, relieving rtnl_lock contention on netns dismantle.

   - Add hardware pacing offload support, admin-controlled via a new
     rtnetlink attribute, with sch_fq integration (implemented in idpf).

   - Re-segment BIG TCP GSO packets into GSO packets fitting the egress
     device limits instead of plain MSS-sized segments, improving
     throughput for mixed BIG TCP / non-BIG TCP paths by up to 70%.

   - Generate RSS keys that spread flows over all the RX queues; the
     previous random keys could leave some queues unused.

   - Optimize the bridge VLAN forwarding paths: cache the port-VLAN in
     fdb entries and consider only VLAN members when flooding, for ~10%
     more Mpps in the fdb forwarding path.

   - A few TCP/IP performance improvements aimed at efficient cache
     usage and reducing contention.

   - Add the TCP ROCCET congestion control, a CUBIC variant aimed at
     avoiding bufferbloat in cellular networks.

   - Continue the conversion of getsockopt callbacks to sockopt_t.

   - Add an ethtool command to list the front-facing ports of an
     interface, including SFP cages and modules, using the phy_port
     representation.

   - Enable BIG TCP support for bareudp tunnels.

   - Remove the IPV6_ADDRFORM socket option and disallow buggy TCP state
     transitions (listen() + shutdown() + connect() and connect() +
     connect(AF_UNSPEC) + listen()).

   - Remove most BUG_ON()s from core packet processing, replacing them
     with error paths.

  Wireless:

   - Latency improvements, including lockless station get/dump and
     beacon updates, plus RTNL reduction and locking cleanups.

   - Infrastructure for non-station TX/RX with MLO.

   - NAN (Wi-Fi Aware) Instant Communication support and other NAN
     improvements.

   - Control frame Integrity Protocol (CIP) and protected TWT support.

   - Improvements for AP regulatory checks.

  Netfilter:

   - Disable br_netfilter in user namespaces and schedule it for removal
     in 2027.

   - Restrict the raw table in nft_compat to the specific family, hook
     and priority.

   - Prepare the flowtable for mixed IPv4-over-IPv6 tunneling (and vice
     versa).

   - Use GFP_KERNEL_ACCOUNT for most netfilter allocations, for better
     integration with memcg.

   - Allow discovering conntrack zone filtering support in ctnetlink
     dumps, and fix nfnetlink_hook handling of large dumps.

  Deletions:

   - Move the LLC type 2 sockets out of tree. There are no known users
     and the code attracts a never-ending stream of LLM-driven fixes.

  Device drivers:

   - New drivers:
      - Meta Platforms NIC (mpnic), the second-generation NIC from Meta
      - initial skeleton of the Nebula-matrix NICs driver (nbl)
      - X-Powers AC200/AC300 Fast Ethernet PHYs

   - Ethernet high-speed NICs:
      - Intel:
         - i40e: XDP metadata support for RX hash and VLAN tag
         - ice: expose the E825 TSPLL state via the DPLL subsystem
      - nVidia/Mellanox:
         - move the data direct infrastructure from IB to core, in
           preparation for netdev support.
         - reduce the memory used per offloaded TC rule
      - Meta (fbnic):
         - support large io_uring zero-copy RX buffers
      - Microsoft vNIC (mana):
         - add BQL support

   - Ethernet NICs consumer, and embedded:
      - Airoha:
         - LRO offload support
      - Cadence (macb):
         - context swapping for ringparam and MTU changes, avoiding
           buffer loss under memory pressure
      - Mucse (rnpgbe):
         - TX/RX and link status support
      - NXP (enetc):
         - SR-IOV improvements and VF support for ENETC v4
      - Qualcomm (ppe):
         - IPQ5424 support
      - Realtek PCI (r8169):
         - phylink support
         - RSS support for RTL8127
      - Renesas (ravb):
         - gPTP support for R-Car Gen4
      - Synopsys (stmmac):
         - XDP multi-buffer support on the TX side
         - tc mqprio hw queue priority offload
         - support for RK3568 SGMII, Allwinner H616 EMAC1, UltraRISC
           DP1000 and Qualcomm sa8255p

   - Ethernet switches:
      - Mediatek (mt7530):
         - fast age and change conduit support
      - Microchip (ksz):
         - support for KSZ8995XA/KS8995XA
      - Microchip (lan966x):
         - PCIe FDMA support, ~20x throughput increase in PCIe endpoint
      - Microchip (sparx5):
         - Time Aware Shaper (taprio) offload
      - Motorcomm (yt921x):
         - LED and SerDes PCS support
      - Realtek (rtl8365mb):
         - EEE support

   - Ethernet PHYs:
      - Broadcom:
         - enable jumbo frames on BCM54xx
      - Realtek:
         - support for RTL8261CE_CG and RTL8261D_VM
         - MDIO support for RTL838x and RTL839x

   - WiFi drivers:
      - Broadcom (brcmfmac):
         - FT/OKC roaming offload
      - Intel (iwlwifi):
         - UHR sniffer support
         - support for newer UEFI/BIOS tables
      - MediaTek (mt76):
         - mt7925 NAN improvements
         - offchannel/scan improvements and MLO fixes
      - Morse Micro (mm81x):
         - monitor mode support
      - Qualcomm (ath12k):
         - IPQ5332 platform infrastructure
      - Realtek (rtw88):
         - RTL8723BS support
         - SDIO TX performance improvements
      - Realtek (rtw89):
         - P2P_DEVICE support
         - BT-coex updates for RTL8922D

   - Bluetooth:
      - move H:4 reassembly into the Bluetooth core
      - add generic support for vendor packets
      - MGMT: add security level changed event

   - Bluetooth drivers:
      - btusb: support Bulk Serialization Mode
      - Intel: support Draco and Titan Lake, allow unsigned firmware
      - Mediatek: MT7928 support
      - Qualcomm: QCC2072 support
      - Broadcom: Synaptics 4384 support"

* tag 'net-next-7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2126 commits)
  Bluetooth: btusb: disable by default Qualcomm multi-subsystem
  tipc: fix broadcast sender hang on last acker departure
  tipc: fix use-after-free of broadcast reception link at node release
  r8169: clear TX LPI on RTL8168h at link up after phylink conversion
  tun: Require CAP_NET_ADMIN to attach to an ownerless device
  net/sched/sch_cake: drop dead nla_nest_end() error check
  net/sched/sch_cake: widen buffer_used to u64
  net/sched/sch_cake: reduce parent backlog when clearing a tin
  net/sched/sch_cake: serialize reconfiguration with the datapath
  tg3: Add Datto SIRIS 5 1U Server to restart AER quirk table
  net/mlx5e: Stop asserting for RTNL when closing channels
  net: shrink the payload-only part of skb dataref to one bit
  net: wwan: iosm: validate msg_head before indexing msg_ring
  net: bgmac: rate limit RX error messages
  selftests: net: veth: test XDP_TX to a peer with GRO enabled
  veth: schedule the peer's NAPI after XDP_TX when only GRO is enabled
  pppoe: delete session hash entries by pointer match
  net: lan969x: don't disable hardirqs in fdma tx clear
  net: sparx5/lan969x: do not clobber the PSFP cycle timer update period
  net: lan969x: fix DSM calendar for empty taxis
  ...

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