From: Thomas Higdon <t...@fb.com> Date: Fri, 13 Sep 2019 23:23:35 +0000
> Neal Cardwell mentioned that snd_wnd would be useful for diagnosing TCP > performance problems -- >> (1) Usually when we're diagnosing TCP performance problems, we do so >> from the sender, since the sender makes most of the >> performance-critical decisions (cwnd, pacing, TSO size, TSQ, etc). >> From the sender-side the thing that would be most useful is to see >> tp->snd_wnd, the receive window that the receiver has advertised to >> the sender. > > This serves the purpose of adding an additional __u32 to avoid the > would-be hole caused by the addition of the tcpi_rcvi_ooopack field. > > Signed-off-by: Thomas Higdon <t...@fb.com> Applied.
