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route: Support ToS/DiffServ priority inheritance when routing IPv6 packets.

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Signed-off-by: Vittorio Gambaletta <openwrt@vittgam.net>
This commit is contained in:
Vittorio Gambaletta (VittGam) 2016-10-12 13:52:17 +02:00 committed by Guus Sliepen
parent aebaaa8db8
commit 3e643d5d7e
1 changed files with 9 additions and 2 deletions
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11
src/route.c
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@ -683,6 +683,9 @@ static void route_ipv6(node_t *source, vpn_packet_t *packet) {
if(!do_decrement_ttl(source, packet))
return;
if(priorityinheritance)
packet->priority = ((DATA(packet)[14] & 0x0f) << 4) | (DATA(packet)[15] >> 4);
via = (subnet->owner->via == myself) ? subnet->owner->nexthop : subnet->owner->via;
if(via == source) {
@ -954,8 +957,12 @@ static void route_mac(node_t *source, vpn_packet_t *packet) {
uint16_t type = DATA(packet)[12] << 8 | DATA(packet)[13];
if(priorityinheritance && type == ETH_P_IP && packet->len >= ether_size + ip_size)
packet->priority = DATA(packet)[15];
if(priorityinheritance) {
if(type == ETH_P_IP && packet->len >= ether_size + ip_size)
packet->priority = DATA(packet)[15];
else if(type == ETH_P_IPV6 && packet->len >= ether_size + ip6_size)
packet->priority = ((DATA(packet)[14] & 0x0f) << 4) | (DATA(packet)[15] >> 4);
}
// Handle packets larger than PMTU