ipv6: use TOS marks from sockets for routing decision
In IPv6 the ToS values are part of the flowlabel in flowi6 and get
extracted during fib rule lookup, but we forgot to correctly initialize
the flowlabel before the routing lookup.
Reported-by: <liam.mcbirnie@boeing.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 4527285..40454bf 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -502,12 +502,14 @@
else if (!fl6.flowi6_oif)
fl6.flowi6_oif = np->ucast_oif;
+ ipc6.tclass = np->tclass;
+ fl6.flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6.flowlabel);
+
dst = icmpv6_route_lookup(net, skb, sk, &fl6);
if (IS_ERR(dst))
goto out;
ipc6.hlimit = ip6_sk_dst_hoplimit(np, &fl6, dst);
- ipc6.tclass = np->tclass;
ipc6.dontfrag = np->dontfrag;
ipc6.opt = NULL;