Symbol: TCP_BPF_IPV4
net/ipv4/tcp_bpf.c
658
tcp_bpf_rebuild_protos(tcp_bpf_prots[TCP_BPF_IPV4], &tcp_prot);
net/ipv4/tcp_bpf.c
711
int family = sk->sk_family == AF_INET6 ? TCP_BPF_IPV6 : TCP_BPF_IPV4;