From: Eric Dumazet <eduma...@google.com> Date: Sun, 11 Nov 2018 09:11:31 -0800
> Similar to 80ba92fa1a92 ("codel: add ce_threshold attribute") > > After EDT adoption, it became easier to implement DCTCP-like CE marking. > > In many cases, queues are not building in the network fabric but on > the hosts themselves. > > If packets leaving fq missed their Earliest Departure Time by XXX usec, > we mark them with ECN CE. This gives a feedback (after one RTT) to > the sender to slow down and find better operating mode. > > Example : > > tc qd replace dev eth0 root fq ce_threshold 2.5ms > > Signed-off-by: Eric Dumazet <eduma...@google.com> Applied, thanks Eric.