ip6_tunnel: Correct tos value in collect_md mode

[ Upstream commit 46f8cd9d2fc1e4e8b82b53a0007f6c92e80c930b ]

Same as ip_gre, geneve and vxlan, use key->tos as traffic class value.

CC: Peter Dawson <petedaws@gmail.com>
Fixes: 0e9a709560db ("ip6_tunnel, ip6_gre: fix setting of DSCP on
encapsulated packets”)
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Acked-by: Peter Dawson <peter.a.dawson@boeing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
1 file changed