3 files changed, 13 insertions, 0 deletions

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index ca309820d39e..cfb892b265e8 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -621,6 +621,8 @@ static int vxlan_gro_complete(struct sk_buff *skb, int nhoff)
         int vxlan_len  = sizeof(struct vxlanhdr) + sizeof(struct ethhdr);
         int err = -ENOSYS;
 
+        udp_tunnel_gro_complete(skb, nhoff);
+
         eh = (struct ethhdr *)(skb->data + nhoff + sizeof(struct vxlanhdr));
         type = eh->h_proto;
 
diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index a47790bcaa38..2a50a70ef587 100644
--- a/include/net/udp_tunnel.h
+++ b/include/net/udp_tunnel.h
@@ -100,6 +100,15 @@ static inline struct sk_buff *udp_tunnel_handle_offloads(struct sk_buff *skb,
         return iptunnel_handle_offloads(skb, udp_csum, type);
 }
 
+static inline void udp_tunnel_gro_complete(struct sk_buff *skb, int nhoff)
+{
+        struct udphdr *uh;
+
+        uh = (struct udphdr *)(skb->data + nhoff - sizeof(struct udphdr));
+        skb_shinfo(skb)->gso_type |= uh->check ?
+                                SKB_GSO_UDP_TUNNEL_CSUM : SKB_GSO_UDP_TUNNEL;
+}
+
 static inline void udp_tunnel_encap_enable(struct socket *sock)
 {
 #if IS_ENABLED(CONFIG_IPV6)
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 32e78924e246..606c520ffd5a 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -133,6 +133,8 @@ static int fou_gro_complete(struct sk_buff *skb, int nhoff)
         int err = -ENOSYS;
         const struct net_offload **offloads;
 
+        udp_tunnel_gro_complete(skb, nhoff);
+
         rcu_read_lock();
         offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads;
         ops = rcu_dereference(offloads[proto]);