Re: [PATCH net] dctcp: more accurate tracking of packets delivery

2019-04-11 Thread David Miller
From: Eric Dumazet Date: Thu, 11 Apr 2019 05:55:23 -0700 > After commit e21db6f69a95 ("tcp: track total bytes delivered with ECN CE > marks") > core TCP stack does a very good job tracking ECN signals. > > The "sender's best estimate of CE information" Yuchung mentioned in his > patch is indeed

Re: [PATCH net] dctcp: more accurate tracking of packets delivery

2019-04-11 Thread Neal Cardwell
On Thu, Apr 11, 2019 at 8:55 AM Eric Dumazet wrote: > > After commit e21db6f69a95 ("tcp: track total bytes delivered with ECN CE > marks") > core TCP stack does a very good job tracking ECN signals. > > The "sender's best estimate of CE information" Yuchung mentioned in his > patch is indeed the

Re: [PATCH net] dctcp: more accurate tracking of packets delivery

2019-04-11 Thread Soheil Hassas Yeganeh
On Thu, Apr 11, 2019 at 8:55 AM Eric Dumazet wrote: > > After commit e21db6f69a95 ("tcp: track total bytes delivered with ECN CE > marks") > core TCP stack does a very good job tracking ECN signals. > > The "sender's best estimate of CE information" Yuchung mentioned in his > patch is indeed the

[PATCH net] dctcp: more accurate tracking of packets delivery

2019-04-11 Thread Eric Dumazet
After commit e21db6f69a95 ("tcp: track total bytes delivered with ECN CE marks") core TCP stack does a very good job tracking ECN signals. The "sender's best estimate of CE information" Yuchung mentioned in his patch is indeed the best we can do. DCTCP can use tp->delivered_ce and tp->delivered t