tcp_v6_md5_hash_headers 633 net/ipv6/tcp_ipv6.c if (tcp_v6_md5_hash_headers(hp, daddr, saddr, th, th->doff << 2)) tcp_v6_md5_hash_headers 678 net/ipv6/tcp_ipv6.c if (tcp_v6_md5_hash_headers(hp, daddr, saddr, th, skb->len))