On Fri, Sep 13, 2019 at 7:23 PM Thomas Higdon <t...@fb.com> wrote: > > 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> > --- > changes since v4: > - clarify comment
Acked-by: Neal Cardwell <ncardw...@google.com> Thanks! neal
