On Mon, Apr 7, 2025 at 4:00 PM Jiayuan Chen <jiayuan.chen@xxxxxxxxx> wrote: > > When TCP is in TIME_WAIT state, PAWS verification uses > LINUX_PAWSESTABREJECTED, which is ambiguous and cannot be distinguished > from other PAWS verification processes. > > Moreover, when PAWS occurs in TIME_WAIT, we typically need to pay special > attention to upstream network devices, so we added a new counter, like the > existing PAWS_OLD_ACK one. I really dislike the repetition of "upstream network devices". Is it mentioned in some RFC ? > > Also we update the doc with previously missing PAWS_OLD_ACK. > > usage: > ''' > nstat -az | grep PAWSTimewait > TcpExtPAWSTimewait 1 0.0 > ''' > > Suggested-by: Eric Dumazet <edumazet@xxxxxxxxxx> > Signed-off-by: Jiayuan Chen <jiayuan.chen@xxxxxxxxx> Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>
