linux-kernel - [PATCH bpf-next 0/2] Add more bpf_*_ct

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Message-Id: <cover.1659209738.git.dxu@dxuuu.xyz>
Date:   Sat, 30 Jul 2022 14:40:28 -0500
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 0/2] 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 and writing 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.

This change will require two changes to BPF CI kconfig:

* CONFIG_NF_CONNTRACK_MARK=y
* CONFIG_NETFILTER_XT_CONNMARK=y

I can put up the PR if this patchset looks good.

Daniel Xu (2):
  selftests/bpf: Add existing connection bpf_*_ct_lookup() test
  selftests/bpf: Add connmark read/write test

 .../testing/selftests/bpf/prog_tests/bpf_nf.c | 60 +++++++++++++++++++
 .../testing/selftests/bpf/progs/test_bpf_nf.c | 21 +++++++
 2 files changed, 81 insertions(+)

-- 
2.37.1