Date: Wed, 9 Apr 2008 05:17:18 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/netinet ip_input.c ip_ipsec.c ip_ipsec.h Message-ID: <200804090517.m395HI7r046147@repoman.freebsd.org>
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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
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