Symbol: tcp_filter
net/ipv4/tcp_ipv4.c
2238
if (!tcp_filter(sk, skb, &drop_reason)) {
net/ipv4/tcp_ipv4.c
2299
if (tcp_filter(sk, skb, &drop_reason))
net/ipv6/tcp_ipv6.c
1782
if (!tcp_filter(sk, skb, &drop_reason)) {
net/ipv6/tcp_ipv6.c
1843
if (tcp_filter(sk, skb, &drop_reason))