tcp_v6_reqsk_send_ack 72 net/ipv6/tcp_ipv6.c static void tcp_v6_reqsk_send_ack(struct sock *sk, struct sk_buff *skb, tcp_v6_reqsk_send_ack 892 net/ipv6/tcp_ipv6.c .send_ack = tcp_v6_reqsk_send_ack,