summaryrefslogtreecommitdiffstats
path: root/sys/netinet6
diff options
context:
space:
mode:
authorume <ume@FreeBSD.org>2004-02-24 15:40:55 +0000
committerume <ume@FreeBSD.org>2004-02-24 15:40:55 +0000
commit2c901b5638823f90b3e05ec375fd604075805e0d (patch)
treec6b71ff59ac57208ca108568d7ea08befa377ea3 /sys/netinet6
parent5ef70fe223ecca1ecc385a720742f0b16159e859 (diff)
downloadFreeBSD-src-2c901b5638823f90b3e05ec375fd604075805e0d.zip
FreeBSD-src-2c901b5638823f90b3e05ec375fd604075805e0d.tar.gz
in icmp6_mtudisc_update(), use ND link mtu to detect if the path MTU
should be updated. Helped by: andre
Diffstat (limited to 'sys/netinet6')
-rw-r--r--sys/netinet6/icmp6.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/netinet6/icmp6.c b/sys/netinet6/icmp6.c
index 5ef4fff..8ac756a 100644
--- a/sys/netinet6/icmp6.c
+++ b/sys/netinet6/icmp6.c
@@ -475,6 +475,8 @@ icmp6_input(mp, offp, proto)
if (code != 0)
goto badcode;
+ /* validation is made in icmp6_mtudisc_update */
+
code = PRC_MSGSIZE;
/*
@@ -1140,7 +1142,7 @@ icmp6_mtudisc_update(ip6cp, validated)
htons(m->m_pkthdr.rcvif->if_index);
}
- if (mtu >= IPV6_MMTU) {
+ if (mtu < tcp_maxmtu6(&inc)) {
tcp_hc_updatemtu(&inc, mtu);
icmp6stat.icp6s_pmtuchg++;
}
OpenPOWER on IntegriCloud