tcp: better comments for RTO initiallization
authorYuchung Cheng <ycheng@google.com>
Tue, 3 Sep 2013 21:14:35 +0000 (14:14 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 4 Sep 2013 18:41:55 +0000 (14:41 -0400)
commit52f20e655d9f6f7f937a1cdacf219d9df3ab6166
tree234a887f331af07ebb2ff5a1ae80823f8e1456b5
parent430eda6d6d568eded71dfd1be5a16c0c1379e201
tcp: better comments for RTO initiallization

Commit 1b7fdd2ab585("tcp: do not use cached RTT for RTT estimation")
removes important comments on how RTO is initialized and updated.
Hopefully this patch puts those information back.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_metrics.c