Date: Fri, 8 Dec 2000 09:52:25 +0200 From: Ruslan Ermilov <ru@FreeBSD.ORG> To: Patrick Bihan-Faou <patrick@netzuno.com> Cc: freebsd-net@FreeBSD.ORG, Brian Somers <brian@FreeBSD.ORG> Subject: Re: Problem with PPP, tcpmssd and routing socket messages Message-ID: <20001208095225.A69062@sunbay.com> In-Reply-To: <POEDLEGGIEKJJIOGHEJNEEJACDAA.patrick@netzuno.com>; from patrick@netzuno.com on Thu, Dec 07, 2000 at 02:39:56PM -0500 References: <POEDLEGGIEKJJIOGHEJNEEIPCDAA.patrick@netzuno.com> <POEDLEGGIEKJJIOGHEJNEEJACDAA.patrick@netzuno.com>
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On Thu, Dec 07, 2000 at 02:39:56PM -0500, Patrick Bihan-Faou wrote: > > > > From: Patrick Bihan-Faou [mailto:patrick@netzuno.com] > > > > My workaround for now is to invalidate the MTU information if I > > see any message on the routing socket that are related to the > > interface I am monitoring. Then when I have to modify a packet, I > > refetch the correct MTU at that point. > > > > This is just a workaround for the problem that the RTM_IFINFO is > > never received, which looks like a bug to me. If you give me some > > pointers as to where to look, I can spend some time on it. > > > I am happy to report that this workaround works just fine. I'd be happy to > trace the "lost RTM_IFINFO" message issue if somebody can provide me with a > couple of starting points. > I do not know what happens here, though that's me who originally added the support for MTU change reports through route(4) socket: RCS file: /home/ncvs/src/sys/net/if.c,v Working file: if.c head: 1.95 branch: locks: strict access list: keyword substitution: kv total revisions: 116; selected revisions: 1 description: ---------------------------- revision 1.83 date: 2000/01/24 08:53:39; author: ru; state: Exp; lines: +4 -2 Notify user processes about interface's MTU change. Reviewed by: wollman, freebsd-net ==================================================================== Probably, if_tun.c needs a similar functionality added. Sorry, I can't investigate more at this time... I would suggest you to communicate with Brian Somers. -- Ruslan Ermilov Oracle Developer/DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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