vxlan: Set inner protocol before transmit

Call skb_set_inner_protocol to set inner Ethernet protocol to
ETH_P_TEB before transmit. This is needed for GSO with UDP tunnels.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 34e102ec95c2..2af795d6ba05 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1610,6 +1610,8 @@ static int vxlan6_xmit_skb(struct vxlan_sock *vs,
         vxh->vx_flags = htonl(VXLAN_FLAGS);
         vxh->vx_vni = vni;
 
+        skb_set_inner_protocol(skb, htons(ETH_P_TEB));
+
         udp_tunnel6_xmit_skb(vs->sock, dst, skb, dev, saddr, daddr, prio,
                              ttl, src_port, dst_port);
         return 0;
@@ -1652,6 +1654,8 @@ int vxlan_xmit_skb(struct vxlan_sock *vs,
         vxh->vx_flags = htonl(VXLAN_FLAGS);
         vxh->vx_vni = vni;
 
+        skb_set_inner_protocol(skb, htons(ETH_P_TEB));
+
         return udp_tunnel_xmit_skb(vs->sock, rt, skb, src, dst, tos,
                                    ttl, df, src_port, dst_port, xnet);
 }