tcp_check_req 361 include/net/tcp.h extern struct sock * tcp_check_req(struct sock *sk,struct sk_buff *skb, tcp_check_req 1419 net/ipv4/tcp_ipv4.c return tcp_check_req(sk, skb, req, prev); tcp_check_req 1098 net/ipv6/tcp_ipv6.c return tcp_check_req(sk, skb, req, prev);