Re: [PATCH net-next] tcp: add tcp_reset_xmit_timer() helper

2018-10-23 Thread David Miller
From: Eric Dumazet Date: Tue, 23 Oct 2018 11:54:16 -0700 > With EDT model, SRTT no longer is inflated by pacing delays. > > This means that RTO and some other xmit timers might be setup > incorrectly. This is particularly visible with either : > > - Very small enforced pacing rates (SO_MAX_PACI

[PATCH net-next] tcp: add tcp_reset_xmit_timer() helper

2018-10-23 Thread Eric Dumazet
With EDT model, SRTT no longer is inflated by pacing delays. This means that RTO and some other xmit timers might be setup incorrectly. This is particularly visible with either : - Very small enforced pacing rates (SO_MAX_PACING_RATE) - Reduced rto (from the default 200 ms) This can lead to TCP