Date: Wed, 4 May 2005 15:32:00 +0100 From: Bruce M Simpson <bms@spc.org> To: Andre Oppermann <andre@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/netinet tcp_subr.c Message-ID: <20050504143200.GC746@empiric.icir.org> In-Reply-To: <200505041348.j44DmiEQ055445@repoman.freebsd.org> References: <200505041348.j44DmiEQ055445@repoman.freebsd.org>
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On Wed, May 04, 2005 at 01:48:44PM +0000, Andre Oppermann wrote: > Log: > If we don't get a suggested MTU during path MTU discovery > look up the packet size of the packet that generated the > response, step down the MTU by one step through ip_next_mtu() > and try again. Yay! Now I really need to sit down and sort out the gre(4) PMTU story. Of course a more generic way of doing this might be good, e.g. a generic PMTU callback for each protocol which needs to exchange this information with the IP/ICMP layer. BMS
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