Re: [PATCH net 1/2] tcp: generate CA_EVENT_TX_START on data frames

2015-09-10 Thread David Miller
From: Eric Dumazet Date: Wed, 09 Sep 2015 21:54:37 -0700 > From: Neal Cardwell > > Issuing a CC TX_START event on control frames like pure ACK > is a waste of time, as a CC should not care. > > Following patch needs this change, as we want CUBIC to properly track > idle time at a low cost, wit

[PATCH net 1/2] tcp: generate CA_EVENT_TX_START on data frames

2015-09-09 Thread Eric Dumazet
From: Neal Cardwell Issuing a CC TX_START event on control frames like pure ACK is a waste of time, as a CC should not care. Following patch needs this change, as we want CUBIC to properly track idle time at a low cost, with a single TX_START being generated. Yuchung might slightly refine the c