2022-08-02 11:21:43

by Matthias May

[permalink] [raw]
Subject: [PATCH net 4/4] ipv6: do not use RT_TOS for IPv6 flowlabel

According to Guillaume Nault RT_TOS should never be used for IPv6.

Fixes: 571912c69f0e ("net: UDP tunnel encapsulation module for tunnelling different protocols like MPLS, IP, NSH etc.")

Signed-off-by: Matthias May <[email protected]>
---
net/ipv6/ip6_output.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 77e3f5970ce4..ec62f472aa1c 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1311,8 +1311,7 @@ struct dst_entry *ip6_dst_lookup_tunnel(struct sk_buff *skb,
fl6.daddr = info->key.u.ipv6.dst;
fl6.saddr = info->key.u.ipv6.src;
prio = info->key.tos;
- fl6.flowlabel = ip6_make_flowinfo(RT_TOS(prio),
- info->key.label);
+ fl6.flowlabel = ip6_make_flowinfo(prio, info->key.label);

dst = ipv6_stub->ipv6_dst_lookup_flow(net, sock->sk, &fl6,
NULL);
--
2.35.1