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author | Yonghong Song <yhs@fb.com> | 2020-06-24 01:08:11 +0200 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2020-06-25 03:37:59 +0200 |
commit | 478cfbdf5f13dfe09cfd0b1cbac821f5e27f6108 (patch) | |
tree | febcb078fe63001ae8c004f218e9ff1acc2a68e2 /kernel/trace/bpf_trace.c | |
parent | bpf: Add bpf_skc_to_tcp6_sock() helper (diff) | |
download | linux-478cfbdf5f13dfe09cfd0b1cbac821f5e27f6108.tar.xz linux-478cfbdf5f13dfe09cfd0b1cbac821f5e27f6108.zip |
bpf: Add bpf_skc_to_{tcp, tcp_timewait, tcp_request}_sock() helpers
Three more helpers are added to cast a sock_common pointer to
an tcp_sock, tcp_timewait_sock or a tcp_request_sock for
tracing programs.
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20200623230811.3988277-1-yhs@fb.com
Diffstat (limited to 'kernel/trace/bpf_trace.c')
-rw-r--r-- | kernel/trace/bpf_trace.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 2a97a268f533..48d935b0d87c 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -1517,6 +1517,12 @@ tracing_prog_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) return &bpf_xdp_output_proto; case BPF_FUNC_skc_to_tcp6_sock: return &bpf_skc_to_tcp6_sock_proto; + case BPF_FUNC_skc_to_tcp_sock: + return &bpf_skc_to_tcp_sock_proto; + case BPF_FUNC_skc_to_tcp_timewait_sock: + return &bpf_skc_to_tcp_timewait_sock_proto; + case BPF_FUNC_skc_to_tcp_request_sock: + return &bpf_skc_to_tcp_request_sock_proto; #endif case BPF_FUNC_seq_printf: return prog->expected_attach_type == BPF_TRACE_ITER ? |