D35872.diff
No OneTemporary
Actions

Size

664 B

Referenced Files

None

Subscribers

None

D35872.diff
View Options

	diff --git a/sys/netipsec/ipsec_input.c b/sys/netipsec/ipsec_input.c
	--- a/sys/netipsec/ipsec_input.c
	+++ b/sys/netipsec/ipsec_input.c
	@@ -276,6 +276,7 @@
	struct icmp *icp;
	struct ip *ip = v;
	uint32_t pmtu, spi;
	+ uint32_t max_pmtu;
	uint8_t proto;

	if (code != PRC_MSGSIZE \|\| ip == NULL)
	@@ -304,7 +305,15 @@

	memset(&inc, 0, sizeof(inc));
	inc.inc_faddr = satosin(sa)->sin_addr;
	- tcp_hc_updatemtu(&inc, pmtu);
	+
	+ /* Update pmtu only if its smaller than the current one. */
	+ max_pmtu = tcp_hc_getmtu(&inc);
	+ if (max_pmtu == 0)
	+ max_pmtu = tcp_maxmtu(&inc, NULL);
	+
	+ if (pmtu < max_pmtu)
	+ tcp_hc_updatemtu(&inc, pmtu);
	+
	return (0);
	}