Date: Wed, 04 May 2005 16:53:38 +0200 From: Andre Oppermann <andre@freebsd.org> To: Bruce M Simpson <bms@spc.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/netinet tcp_subr.c Message-ID: <4278E1F2.65A109AC@freebsd.org> References: <200505041348.j44DmiEQ055445@repoman.freebsd.org> <20050504143200.GC746@empiric.icir.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Bruce M Simpson wrote: > > 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. What's the problem there? > 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. There is. Look into ip_icmp.c:icmp_input(). -- Andre
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4278E1F2.65A109AC>