bpf_sk_lookup_tcp_proto 5380 net/core/filter.c static const struct bpf_func_proto bpf_sk_lookup_tcp_proto = { bpf_sk_lookup_tcp_proto 6204 net/core/filter.c return &bpf_sk_lookup_tcp_proto; bpf_sk_lookup_tcp_proto 6359 net/core/filter.c return &bpf_sk_lookup_tcp_proto;