abc/lwip
1
0
Fork 0
mirror of https://git.savannah.nongnu.org/git/lwip.git synced 2026-06-16 18:03:44 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add #define for minimum IPv6 MTU length

Browse Source
This commit is contained in:
Dirk Ziegelmeier
2019-03-28 08:16:29 +01:00
parent bda6909df8
commit 53818ad3e4
4 changed files with 6 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/core/ipv6/nd6.c
View File

@@ -693,7 +693,7 @@ nd6_input(struct pbuf *p, struct netif *inp)
}
mtu_opt = (struct mtu_option *)buffer;
mtu32 = lwip_htonl(mtu_opt->mtu);
if ((mtu32 >= 1280) && (mtu32 <= 0xffff)) {
if ((mtu32 >= IP6_MIN_MTU_LENGTH) && (mtu32 <= 0xffff)) {
#if LWIP_ND6_ALLOW_RA_UPDATES
if (inp->mtu) {
/* don't set the mtu for IPv6 higher than the netif driver supports */
@@ -2312,7 +2312,7 @@ nd6_get_destination_mtu(const ip6_addr_t *ip6addr, struct netif *netif)
return netif_mtu6(netif);
}
return 1280; /* Minimum MTU */
return IP6_MIN_MTU_LENGTH; /* Minimum MTU */
}