1 files changed, 2 insertions, 0 deletions

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 02f96dcbcf02..898e671a526b 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -899,6 +899,8 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
         if ((iph->ttl = tiph->ttl) == 0)
                 iph->ttl        =       iph6->hop_limit;
 
+        skb->ip_summed = CHECKSUM_NONE;
+        ip_select_ident(iph, skb_dst(skb), NULL);
         iptunnel_xmit(skb, dev);
         return NETDEV_TX_OK;