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in icmp6_mtudisc_update(), use ND link mtu to detect if the path MTU

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should be updated.

Helped by:	andre
This commit is contained in:
Hajimu UMEMOTO 2004-02-24 15:40:55 +00:00
parent 12e2e97051
commit aaff9927f6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=126194
1 changed files with 3 additions and 1 deletions
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4
sys/netinet6/icmp6.c
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@ -475,6 +475,8 @@ icmp6_input(mp, offp, proto)
if (code != 0) if (code != 0)
goto badcode; goto badcode;
/* validation is made in icmp6_mtudisc_update */
code = PRC_MSGSIZE; code = PRC_MSGSIZE;
/* /*
@ -1140,7 +1142,7 @@ icmp6_mtudisc_update(ip6cp, validated)
htons(m->m_pkthdr.rcvif->if_index); htons(m->m_pkthdr.rcvif->if_index);
} }
if (mtu >= IPV6_MMTU) { if (mtu < tcp_maxmtu6(&inc)) {
tcp_hc_updatemtu(&inc, mtu); tcp_hc_updatemtu(&inc, mtu);
icmp6stat.icp6s_pmtuchg++; icmp6stat.icp6s_pmtuchg++;
} }