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Stanislav Fomichev says: ==================== This patch series adds support for testing flow dissector BPF programs by extending already existing BPF_PROG_TEST_RUN. The goal is to have a packet as an input and `struct bpf_flow_key' as an output. That way we can easily test flow dissector programs' behavior. I've also modified existing test_progs.c test to do a simple flow dissector run as well. * first patch introduces new __skb_flow_bpf_dissect to simplify sharing between __skb_flow_bpf_dissect and BPF_PROG_TEST_RUN * second patch adds actual BPF_PROG_TEST_RUN support * third patch adds example usage to the selftests v3: * rebased on top of latest bpf-next v2: * loop over 'kattr->test.repeat' inside of bpf_prog_test_run_flow_dissector, don't reuse bpf_test_run/bpf_test_run_one ==================== Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Linux kernel
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