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

Martin KaFai Lau says:

====================
pull-request: bpf-next 2025-08-21

We've added 9 non-merge commits during the last 3 day(s) which contain
a total of 13 files changed, 1027 insertions(+), 27 deletions(-).

The main changes are:

1) Added bpf dynptr support for accessing the metadata of a skb,
   from Jakub Sitnicki.
   The patches are merged from a stable branch bpf-next/skb-meta-dynptr.
   The same patches have also been merged into bpf-next/master.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next:
  selftests/bpf: Cover metadata access from a modified skb clone
  selftests/bpf: Cover read/write to skb metadata at an offset
  selftests/bpf: Cover write access to skb metadata via dynptr
  selftests/bpf: Cover read access to skb metadata via dynptr
  selftests/bpf: Parametrize test_xdp_context_tuntap
  selftests/bpf: Pass just bpf_map to xdp_context_test helper
  selftests/bpf: Cover verifier checks for skb_meta dynptr type
  bpf: Enable read/write access to skb metadata through a dynptr
  bpf: Add dynptr type for skb metadata
====================

Link: https://patch.msgid.link/20250821191827.2099022-1-martin.lau@linux.dev


Signed-off-by: Jakub Kicinski <kuba@kernel.org>