Date: Sun, 28 Oct 2012 19:20:23 +0000 (UTC) From: Andre Oppermann <andre@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r242263 - head/sys/netinet Message-ID: <201210281920.q9SJKNS0081242@svn.freebsd.org>
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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;
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