1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 07bf1085458..00b15ac7a70 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -672,6 +672,9 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
         if (skb->protocol != htons(ETH_P_IPV6))
                 goto tx_error;
 
+        if (tos == 1)
+                tos = ipv6_get_dsfield(iph6);
+
         /* ISATAP (RFC4214) - must come before 6to4 */
         if (dev->priv_flags & IFF_ISATAP) {
                 struct neighbour *neigh = NULL;