On Fri, Jan 22, 2021 at 8:13 PM Enke Chen <[email protected]> wrote: > > From: Enke Chen <[email protected]> > > The TCP_USER_TIMEOUT is checked by the 0-window probe timer. As the > timer has backoff with a max interval of about two minutes, the > actual timeout for TCP_USER_TIMEOUT can be off by up to two minutes. > > In this patch the TCP_USER_TIMEOUT is made more accurate by taking it > into account when computing the timer value for the 0-window probes. > > This patch is similar to the one that made TCP_USER_TIMEOUT accurate for > RTOs in commit b701a99e431d ("tcp: Add tcp_clamp_rto_to_user_timeout() > helper to improve accuracy"). > > Signed-off-by: Enke Chen <[email protected]> > Reviewed-by: Neal Cardwell <[email protected]> > ---
SGTM, thanks ! Signed-off-by: Eric Dumazet <[email protected]>
