skb_orphan(skb);
skb->sk = sk;
skb->destructor = tcp_wfree;
+ skb_set_hash_from_sk(skb, sk);
atomic_add(skb->truesize, &sk->sk_wmem_alloc);
/* Build TCP header and checksum it. */
if (likely(err <= 0))
return err;
- tcp_enter_cwr(sk, 1);
+ tcp_enter_cwr(sk);
return net_xmit_eval(err);
}
TCP_RTO_MAX);
}
}
+
+int tcp_rtx_synack(struct sock *sk, struct request_sock *req)
+{
+ const struct tcp_request_sock_ops *af_ops = tcp_rsk(req)->af_specific;
+ struct flowi fl;
+ int res;
+
+ res = af_ops->send_synack(sk, NULL, &fl, req, 0, NULL);
+ if (!res) {
+ TCP_INC_STATS_BH(sock_net(sk), TCP_MIB_RETRANSSEGS);
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPSYNRETRANS);
+ }
+ return res;
+}
+EXPORT_SYMBOL(tcp_rtx_synack);