Gilad Sever 9eb2651c67 bpf: Factor out socket lookup functions for the TC hookpoint.
[ Upstream commit 6e98730bc0b44acaf86eccc75f823128aa9c9e79 ]

Change BPF helper socket lookup functions to use TC specific variants:
bpf_tc_sk_lookup_tcp() / bpf_tc_sk_lookup_udp() / bpf_tc_skc_lookup_tcp()
instead of sharing implementation with the cg / sk_skb hooking points.
This allows introducing a separate logic for the TC flow.

The tc functions are identical to the original code.

Signed-off-by: Gilad Sever <gilad9366@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Reviewed-by: Eyal Birger <eyal.birger@gmail.com>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20230621104211.301902-2-gilad9366@gmail.com
Stable-dep-of: 9a5cb79762e0 ("bpf: Fix bpf socket lookup from tc/xdp to respect socket VRF bindings")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-23 13:46:54 +02:00
2023-07-23 13:46:48 +02:00
2023-07-23 13:46:48 +02:00
2023-02-25 12:06:45 +01:00
2023-07-23 13:46:48 +02:00
2021-10-18 20:22:03 -10:00
2023-06-21 15:59:15 +02:00
2023-07-05 18:25:05 +01:00

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 Restructured Text 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.
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