sepherosa_gmail.com added a comment.
In https://reviews.freebsd.org/D5872#127063, @jtl wrote: > Doesn't tp->t_rxtshift get updated on a successful send? If not, I think that is what we should be fixing. > > Personally, I think a connection should drop if we aren't able to send any ACKs for 350 seconds. It's t_shift >= 12 killing the connection, since no one actually stops the timer/performs RTT update for ACK if ENOBUFS happens on a receiving only connections. So intermittent (not continuous) failures to transmit ACK due to ENOBUFS will kill a long living receiving only connection eventually. REVISION DETAIL https://reviews.freebsd.org/D5872 EMAIL PREFERENCES https://reviews.freebsd.org/settings/panel/emailpreferences/ To: sepherosa_gmail.com, network, glebius, lstewart, adrian, delphij, decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com, freebsd-net-list, transport, jtl, hiren Cc: mike-karels.net, jtl _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
