Aksal/nuttx
3
1
Fork 1
mirror of https://github.com/apache/nuttx.git synced 2026-08-01 20:28:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

net/icmpv6/icmpv6_input.c: Dont increase d_pktsize from router advertise

Browse source 
An IPV6 Router advertisement can have an MTU max option.
This option should not increase the d_pktsize for a given interface
since that max size might have been set based on CONFIG or buffer size.

Signed-off-by: daniellizewski <daniellizewski@geotab.com>
This commit is contained in:
daniellizewski 2026-05-11 12:54:55 -04:00 • committed by Xiang Xiao
parent 8b988e8bd9
commit 4711abcf93
1 changed files with 2 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

3
net/icmpv6/icmpv6_input.c
View file

@ -481,7 +481,8 @@ void icmpv6_input(FAR struct net_driver_s *dev, unsigned int iplen)
{
FAR struct icmpv6_mtu_s *mtuopt =
(FAR struct icmpv6_mtu_s *)opt;
dev->d_pktsize = NTOHS(mtuopt->mtu[1]) + dev->d_llhdrlen;
dev->d_pktsize = MIN(dev->d_pktsize,
NTOHS(mtuopt->mtu[1]) + dev->d_llhdrlen);
}
break;