linux-kernel - [PATCH bpf-next v3 0/3] Add more bpf_*_ct

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Message-Id: <cover.1660173222.git.dxu@dxuuu.xyz>
Date:   Wed, 10 Aug 2022 17:16:41 -0600
From:   Daniel Xu <dxu@...uu.xyz>
To:     bpf@...r.kernel.org, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, memxor@...il.com
Cc:     Daniel Xu <dxu@...uu.xyz>, linux-kernel@...r.kernel.org
Subject: [PATCH bpf-next v3 0/3] Add more bpf_*_ct_lookup() selftests

This patchset adds more bpf_*_ct_lookup() selftests. The goal is to test
interaction with netfilter subsystem as well as reading from `struct
nf_conn`. The first is important when migrating legacy systems towards
bpf. The latter is important in general to take full advantage of
connection tracking.

I'll follow this patchset up with support for writing to `struct nf_conn`.

Past discussion:
- v2: https://lore.kernel.org/bpf/cover.1660062725.git.dxu@dxuuu.xyz/
- v1: https://lore.kernel.org/bpf/cover.1659209738.git.dxu@dxuuu.xyz/

Changes since v2:
- Add bpf-ci kconfig changes

Changes since v1:
- Reword commit message / cover letter to not mention connmark writing


Daniel Xu (3):
  selftests/bpf: Add existing connection bpf_*_ct_lookup() test
  selftests/bpf: Add connmark read test
  selftests/bpf: Update CI kconfig

 tools/testing/selftests/bpf/config            |  2 +
 .../testing/selftests/bpf/prog_tests/bpf_nf.c | 60 +++++++++++++++++++
 .../testing/selftests/bpf/progs/test_bpf_nf.c | 21 +++++++
 3 files changed, 83 insertions(+)

-- 
2.37.1