summaryrefslogtreecommitdiff
path: root/net/ipv4/tcp_timer.c
diff options
context:
space:
mode:
authorYuchung Cheng <ycheng@google.com>2016-09-21 16:16:15 -0700
committerDavid S. Miller <davem@davemloft.net>2016-09-22 03:33:01 -0400
commit7e32b44361abc77fbc01f2b97b045c405b2583e5 (patch)
treedb26faa9681668af9678e478ec9aaed6a1b58c01 /net/ipv4/tcp_timer.c
parentde1d657816c6fbb70f07b01d50ec669dff0d4e60 (diff)
tcp: properly account Fast Open SYN-ACK retrans
Since the TFO socket is accepted right off SYN-data, the socket owner can call getsockopt(TCP_INFO) to collect ongoing SYN-ACK retransmission or timeout stats (i.e., tcpi_total_retrans, tcpi_retransmits). Currently those stats are only updated upon handshake completes. This patch fixes it. Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_timer.c')
-rw-r--r--net/ipv4/tcp_timer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index d84930b2dd95..f712b411f6ed 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -384,6 +384,7 @@ static void tcp_fastopen_synack_timer(struct sock *sk)
*/
inet_rtx_syn_ack(sk, req);
req->num_timeout++;
+ icsk->icsk_retransmits++;
inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
TCP_TIMEOUT_INIT << req->num_timeout, TCP_RTO_MAX);
}