Re: [PATCH] tcp: initialize max window for a new fastopen socket

2017-01-19 Thread David Miller
From: Alexey Kodanev Date: Thu, 19 Jan 2017 16:36:39 +0300 > Found that if we run LTP netstress test with large MSS (65K), > the first attempt from server to send data comparable to this > MSS on fastopen connection will be delayed by the probe timer. > > Here is an example: > > < S seq 0

Re: [PATCH] tcp: initialize max window for a new fastopen socket

2017-01-19 Thread Eric Dumazet
On Thu, 2017-01-19 at 16:36 +0300, Alexey Kodanev wrote: > Found that if we run LTP netstress test with large MSS (65K), > the first attempt from server to send data comparable to this > MSS on fastopen connection will be delayed by the probe timer. > > This also contradicts with the fact that we

[PATCH] tcp: initialize max window for a new fastopen socket

2017-01-19 Thread Alexey Kodanev
Found that if we run LTP netstress test with large MSS (65K), the first attempt from server to send data comparable to this MSS on fastopen connection will be delayed by the probe timer. Here is an example: < S seq 0:0 win 43690 options [mss 65495 wscale 7 tfo cookie] length 32 > S. se