[BUG,REGRESSION?] 3.11.6+,3.12: GbE iface rate drops to few KB/s

[David Miller]

From: Eric Dumazet <eric.dumazet at gmail.com>
Date: Wed, 20 Nov 2013 09:30:07 -0800

> max (128KB , 1-2 ms) of buffering per flow should be enough to reach
> line rate, even for a single flow, but this means the sk_sndbuf value
> for the socket must take into account the pipe size _plus_ 1ms of
> buffering.

And we can implement this using the estimated pacing rate.