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authorOctavian Purdila <octavian.purdila@intel.com>2014-06-25 17:09:59 +0300
committerDavid S. Miller <davem@davemloft.net>2014-06-27 15:53:36 -0700
commit5db92c994982ed826cf38f38d58bd09bc326aef6 (patch)
treea47f81307b287fa65edfef7b1bd94c21d8cd7f1f /net/ipv4/tcp_output.c
parentd6274bd8d6ea84b7b54cc1c3fde6bcb6143b104f (diff)
downloadlinux-5db92c994982ed826cf38f38d58bd09bc326aef6.tar.gz
tcp: unify tcp_v4_rtx_synack and tcp_v6_rtx_synack
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index d92bce0ea24e..f8f2a944a1ce 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3299,3 +3299,18 @@ void tcp_send_probe0(struct sock *sk)
 					  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);