On 28 Oct 2012, at 12:20, Andre Oppermann <an...@freebsd.org> wrote: > Author: andre > Date: Sun Oct 28 19:20:23 2012 > New Revision: 242263 > URL: http://svn.freebsd.org/changeset/base/242263 > > Log: > Add SACK_PERMIT to the list of TCP options that are switched off after > retransmitting a SYN three times. > > MFC after: 2 weeks > > Modified: > head/sys/netinet/tcp_timer.c > > Modified: head/sys/netinet/tcp_timer.c > ============================================================================== > --- head/sys/netinet/tcp_timer.c Sun Oct 28 19:16:22 2012 > (r242262) > +++ head/sys/netinet/tcp_timer.c Sun Oct 28 19:20:23 2012 > (r242263) > @@ -585,7 +585,7 @@ tcp_timer_rexmt(void * xtp) > * unknown-to-them TCP options. > */ > if ((tp->t_state == TCPS_SYN_SENT) && (tp->t_rxtshift == 3)) > - tp->t_flags &= ~(TF_REQ_SCALE|TF_REQ_TSTMP); > + tp->t_flags &= ~(TF_REQ_SCALE|TF_REQ_TSTMP|TF_SACK_PERMIT); > /* > * If we backed off this far, our srtt estimate is probably bogus. > * Clobber it so we'll take the next rtt measurement as our srtt;
Do you have any data regarding this commit or you're just trying to make sure the SACK option follows the same behaviour of the WSCALE/TSTMP options? Regards, -- Rui Paulo _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
