Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf...

Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Daniel Borkmann says:

====================
pull-request: bpf-next 2024-10-14

The following pull-request contains BPF updates for your *net-next* tree.

We've added 21 non-merge commits during the last 18 day(s) which contain
a total of 21 files changed, 1185 insertions(+), 127 deletions(-).

The main changes are:

1) Put xsk sockets on a struct diet and add various cleanups. Overall, this helps
   to bump performance by 12% for some workloads, from Maciej Fijalkowski.

2) Extend BPF selftests to increase coverage of XDP features in combination
   with BPF cpumap, from Alexis Lothoré (eBPF Foundation).

3) Extend netkit with an option to delegate skb->{mark,priority} scrubbing to
   its BPF program, from Daniel Borkmann.

4) Make the bpf_get_netns_cookie() helper available also to tc(x) BPF programs,
   from Mahe Tardy.

5) Extend BPF selftests covering a BPF program setting socket options per MPTCP
   subflow, from Geliang Tang and Nicolas Rybowski.

bpf-next-for-netdev

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (21 commits)
  xsk: Use xsk_buff_pool directly for cq functions
  xsk: Wrap duplicated code to function
  xsk: Carry a copy of xdp_zc_max_segs within xsk_buff_pool
  xsk: Get rid of xdp_buff_xsk::orig_addr
  xsk: s/free_list_node/list_node/
  xsk: Get rid of xdp_buff_xsk::xskb_list_node
  selftests/bpf: check program redirect in xdp_cpumap_attach
  selftests/bpf: make xdp_cpumap_attach keep redirect prog attached
  selftests/bpf: fix bpf_map_redirect call for cpu map test
  selftests/bpf: add tcx netns cookie tests
  bpf: add get_netns_cookie helper to tc programs
  selftests/bpf: add missing header include for htons
  selftests/bpf: Extend netkit tests to validate skb meta data
  tools: Sync if_link.h uapi tooling header
  netkit: Add add netkit scrub support to rt_link.yaml
  netkit: Simplify netkit mode over to use NLA_POLICY_MAX
  netkit: Add option for scrubbing skb meta data
  bpf: Remove unused macro
  selftests/bpf: Add mptcp subflow subtest
  selftests/bpf: Add getsockopt to inspect mptcp subflow
  ...
====================

Link: https://patch.msgid.link/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>