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Martin KaFai Lau says: ==================== pull-request: bpf-next 2025-11-10 We've added 19 non-merge commits during the last 3 day(s) which contain a total of 22 files changed, 1345 insertions(+), 197 deletions(-). The main changes are: 1) Preserve skb metadata after a TC BPF program has changed the skb, from Jakub Sitnicki. This allows a TC program at the end of a TC filter chain to still see the skb metadata, even if another TC program at the front of the chain has changed the skb using BPF helpers. 2) Initial af_smc bpf_struct_ops support to control the smc specific syn/synack options, from D. Wythe. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: bpf/selftests: Add selftest for bpf_smc_hs_ctrl net/smc: bpf: Introduce generic hook for handshake flow bpf: Export necessary symbols for modules with struct_ops selftests/bpf: Cover skb metadata access after bpf_skb_change_proto selftests/bpf: Cover skb metadata access after change_head/tail helper selftests/bpf: Cover skb metadata access after bpf_skb_adjust_room selftests/bpf: Cover skb metadata access after vlan push/pop helper selftests/bpf: Expect unclone to preserve skb metadata selftests/bpf: Dump skb metadata on verification failure selftests/bpf: Verify skb metadata in BPF instead of userspace bpf: Make bpf_skb_change_head helper metadata-safe bpf: Make bpf_skb_change_proto helper metadata-safe bpf: Make bpf_skb_adjust_room metadata-safe bpf: Make bpf_skb_vlan_push helper metadata-safe bpf: Make bpf_skb_vlan_pop helper metadata-safe vlan: Make vlan_remove_tag return nothing bpf: Unclone skb head on bpf_dynptr_write to skb metadata net: Preserve metadata on pskb_expand_head net: Helper to move packet data and metadata after skb_push/pull ==================== Link: https://patch.msgid.link/20251110232427.3929291-1-martin.lau@linux.dev Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.