On Sun, Oct 4, 2015 at 10:28 AM, Eric Dumazet <eric.duma...@gmail.com> wrote: > On Sun, 2015-10-04 at 10:05 -0700, Ben Greear wrote: > >> I guess I'll just stop using Cubic. Any suggestions for another >> congestion algorithm to use? I'd prefer something that worked well >> in pretty much any network condition, of course, and it has to work with >> ath10k. >> >> We can also run some tests with 1G, 10G, ath10k, ath9k, and in conjunction >> with network emulators and various congestion control algorithms. > > You could use cubic , but disable or tune HyStart, which is known to be > problematic anyway. > > echo 0 >/sys/module/tcp_cubic/parameters/hystart_detect > > Or try > > echo 40 >/sys/module/tcp_cubic/parameters/hystart_low_window Or if you truly don't want to use cubic, Reno would be my choice b/c 1) Cubic in mid-low BDP behaves like Reno (tcp friendly mode) 2) Reno has several recent stretched-ack fixes which may be useful in wireless
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