1 files changed, 17 insertions, 1 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d9c961aa6a7f..a2a70cc70e7b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1632,7 +1632,10 @@ struct napi_gro_cb {
         int data_offset;
 
         /* This is non-zero if the packet cannot be merged with the new skb. */
-        int flush;
+        u16     flush;
+
+        /* Save the IP ID here and check when we get to the transport layer */
+        u16     flush_id;
 
         /* Number of segments aggregated. */
         u16     count;
@@ -1651,6 +1654,9 @@ struct napi_gro_cb {
         /* Used in ipv6_gro_receive() */
         int     proto;
 
+        /* used to support CHECKSUM_COMPLETE for tunneling protocols */
+        __wsum  csum;
+
         /* used in skb_gro_receive() slow path */
         struct sk_buff *last;
 };
@@ -1900,6 +1906,14 @@ static inline void *skb_gro_network_header(struct sk_buff *skb)
                skb_network_offset(skb);
 }
 
+static inline void skb_gro_postpull_rcsum(struct sk_buff *skb,
+                                        const void *start, unsigned int len)
+{
+        if (skb->ip_summed == CHECKSUM_COMPLETE)
+                NAPI_GRO_CB(skb)->csum = csum_sub(NAPI_GRO_CB(skb)->csum,
+                                                  csum_partial(start, len, 0));
+}
+
 static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,
                                   unsigned short type,
                                   const void *daddr, const void *saddr,
@@ -2440,6 +2454,8 @@ gro_result_t napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb);
 void napi_gro_flush(struct napi_struct *napi, bool flush_old);
 struct sk_buff *napi_get_frags(struct napi_struct *napi);
 gro_result_t napi_gro_frags(struct napi_struct *napi);
+struct packet_offload *gro_find_receive_by_type(__be16 type);
+struct packet_offload *gro_find_complete_by_type(__be16 type);
 
 static inline void napi_free_frags(struct napi_struct *napi)
 {