Date: Fri, 27 Aug 2010 12:34:53 +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: r211874 - head/sys/netinet Message-ID: <201008271234.o7RCYrl3077943@svn.freebsd.org>
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Author: andre Date: Fri Aug 27 12:34:53 2010 New Revision: 211874 URL: http://svn.freebsd.org/changeset/base/211874 Log: Use timestamp modulo comparison macro for automatic receive buffer scaling to correctly handle wrapping of ticks value. MFC after: 1 week Modified: head/sys/netinet/tcp_input.c Modified: head/sys/netinet/tcp_input.c ============================================================================== --- head/sys/netinet/tcp_input.c Fri Aug 27 11:08:11 2010 (r211873) +++ head/sys/netinet/tcp_input.c Fri Aug 27 12:34:53 2010 (r211874) @@ -1441,7 +1441,7 @@ tcp_do_segment(struct mbuf *m, struct tc if (V_tcp_do_autorcvbuf && to.to_tsecr && (so->so_rcv.sb_flags & SB_AUTOSIZE)) { - if (to.to_tsecr > tp->rfbuf_ts && + if (TSTMP_GT(to.to_tsecr, tp->rfbuf_ts) && to.to_tsecr - tp->rfbuf_ts < hz) { if (tp->rfbuf_cnt > (so->so_rcv.sb_hiwat / 8 * 7) &&
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