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authorglebius <glebius@FreeBSD.org>2015-09-30 03:37:37 +0000
committerglebius <glebius@FreeBSD.org>2015-09-30 03:37:37 +0000
commit45adeac7f335bcda13b9ae828b2ba0778edf9f14 (patch)
tree67f0173bd74cae9ea93a939b81f85bc1ee875e92 /sys/xen
parent1373e1739e497918eaad8df7277fcff117dc9615 (diff)
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When processing ICMP need frag message, ignore the suggested MTU unless it
is smaller than the current one for this connection. This is behavior specified by RFC 1191, and this is how original BSD stack behaved, but this was unintentionally regressed in r182851. Reported & tested by: Richard Russo <russor whatsapp.com> Differential Revision: D3567 Sponsored by: Nginx, Inc.
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