Date: Mon, 7 Sep 2009 19:52:46 GMT From: Andre Oppermann <andre@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 168298 for review Message-ID: <200909071952.n87JqkYL008780@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=168298 Change 168298 by andre@andre_t61 on 2009/09/07 19:52:39 Require the window to be at least one mss. A smaller window is bogus. Affected files ... .. //depot/projects/tcp_new/netinet/tcp_syncache.c#6 edit Differences ... ==== //depot/projects/tcp_new/netinet/tcp_syncache.c#6 (text+ko) ==== @@ -953,6 +953,17 @@ goto failed; } + /* + * Window should be at least one segment. + */ + if ((th->th_win << sc->sc_requested_r_scale) < sc->sc_peer_mss) { + if ((s = tcp_log_addrs(inc, th, NULL, NULL))) + log(LOG_DEBUG, "%s; %s: window smaller than one mss, " + "segment rejected\n", + s, __func__); + goto failed; + } + *lsop = syncache_socket(sc, *lsop, m); if (*lsop == NULL)
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