Symbol: tcp_v6_send_ack
net/ipv6/tcp_ipv6.c
1165
tcp_v6_send_ack(sk, skb, tcptw->tw_snd_nxt,
net/ipv6/tcp_ipv6.c
1241
tcp_v6_send_ack(sk, skb, (sk->sk_state == TCP_LISTEN) ?