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authorLinus Walleij <linus.walleij@linaro.org>2013-10-16 10:05:53 +0200
committerLinus Walleij <linus.walleij@linaro.org>2013-10-16 10:05:53 +0200
commit263c43a4479ecce52c0fdc84b4620e146263d549 (patch)
treeb29ad7d94892be7a40524400481f71a1c075a167 /net/ipv4/tcp_metrics.c
parent873ee9ed2c020b59e22a5082f73fc2960ec959bf (diff)
parentd0e639c9e06d44e713170031fe05fb60ebe680af (diff)
Merge tag 'v3.12-rc4' into devel
Linux 3.12-rc4
Diffstat (limited to 'net/ipv4/tcp_metrics.c')
-rw-r--r--net/ipv4/tcp_metrics.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 4a22f3e715df..52f3c6b971d2 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -502,7 +502,9 @@ reset:
* ACKs, wait for troubles.
*/
if (crtt > tp->srtt) {
- inet_csk(sk)->icsk_rto = crtt + max(crtt >> 2, tcp_rto_min(sk));
+ /* Set RTO like tcp_rtt_estimator(), but from cached RTT. */
+ crtt >>= 3;
+ inet_csk(sk)->icsk_rto = crtt + max(2 * crtt, tcp_rto_min(sk));
} else if (tp->srtt == 0) {
/* RFC6298: 5.7 We've failed to get a valid RTT sample from
* 3WHS. This is most likely due to retransmission,