From owner-cvs-all@FreeBSD.ORG Wed Apr 9 05:17:19 2008 Return-Path: Delivered-To: cvs-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 30421106564A; Wed, 9 Apr 2008 05:17:19 +0000 (UTC) (envelope-from bz@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id 20EAC8FC1C; Wed, 9 Apr 2008 05:17:19 +0000 (UTC) (envelope-from bz@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.1/8.14.1) with ESMTP id m395HJ5A046148; Wed, 9 Apr 2008 05:17:19 GMT (envelope-from bz@repoman.freebsd.org) Received: (from bz@localhost) by repoman.freebsd.org (8.14.1/8.14.1/Submit) id m395HI7r046147; Wed, 9 Apr 2008 05:17:18 GMT (envelope-from bz) Message-Id: <200804090517.m395HI7r046147@repoman.freebsd.org> From: "Bjoern A. Zeeb" Date: Wed, 9 Apr 2008 05:17:18 +0000 (UTC) To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org X-FreeBSD-CVS-Branch: HEAD Cc: Subject: cvs commit: src/sys/netinet ip_input.c ip_ipsec.c ip_ipsec.h X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Apr 2008 05:17:19 -0000 bz 2008-04-09 05:17:18 UTC FreeBSD src repository Modified files: sys/netinet ip_input.c ip_ipsec.c ip_ipsec.h Log: Take the route mtu into account, if available, when sending an ICMP unreach, frag needed. Up to now we only looked at the interface MTU. Make sure to only use the minimum of the two. In case IPSEC is compiled in, loop the mtu through ip_ipsec_mtu() to avoid any further conditional maths. Without this, PMTU was broken in those cases when there was a route with a lower MTU than the MTU of the outgoing interface. PR: kern/122338 Tested by: Mark Cammidge mark peralex.com Reviewed by: silence on net@ MFC after: 2 weeks Revision Changes Path 1.335 +26 -4 src/sys/netinet/ip_input.c 1.10 +1 -2 src/sys/netinet/ip_ipsec.c 1.3 +1 -1 src/sys/netinet/ip_ipsec.h