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Message-Id: <20230525110100.8212-1-fw@strlen.de> Date: Thu, 25 May 2023 13:00:58 +0200 From: Florian Westphal <fw@...len.de> To: <bpf@...r.kernel.org> Cc: andrii.nakryiko@...il.com, ast@...nel.org, <netdev@...r.kernel.org>, dxu@...uu.xyz, qde@...cy.de, Florian Westphal <fw@...len.de> Subject: [PATCH bpf-next 0/2] libbpf: add netfilter link attach helper When initial netfilter bpf program type support got added one suggestion was to extend libbpf with a helper to ease attachment of nf programs to the hook locations. Add such a helper and a demo test case that attaches a dummy program to various combinations. I tested that the selftest fails when changing the expected outcome (i.e., set 'success' when it should fail and v.v.). Florian Westphal (2): tools: libbpf: add netfilter link attach helper selftests/bpf: Add bpf_program__attach_netfilter_opts helper test tools/lib/bpf/libbpf.c | 51 +++++++++++ tools/lib/bpf/libbpf.h | 15 ++++ tools/lib/bpf/libbpf.map | 1 + .../bpf/prog_tests/netfilter_basic.c | 87 +++++++++++++++++++ .../bpf/progs/test_netfilter_link_attach.c | 14 +++ 5 files changed, 168 insertions(+) create mode 100644 tools/testing/selftests/bpf/prog_tests/netfilter_basic.c create mode 100644 tools/testing/selftests/bpf/progs/test_netfilter_link_attach.c -- 2.39.3
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