2 files changed, 7 insertions, 1 deletions

diff --git a/include/linux/udp.h b/include/linux/udp.h
index 832361e3e596..5b4b5274e683 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -55,6 +55,8 @@ static inline int udp_hashfn(struct net *net, unsigned num, unsigned mask)
 struct udp_sock {
         /* inet_sock has to be the first member */
         struct inet_sock inet;
+#define udp_port_hash           inet.sk.__sk_common.skc_u16hashes[0]
+#define udp_portaddr_hash       inet.sk.__sk_common.skc_u16hashes[1]
         int              pending;       /* Any pending frames ? */
         unsigned int     corkflag;      /* Cork is required */
         __u16            encap_type;    /* Is this an Encapsulation socket? */
diff --git a/include/net/sock.h b/include/net/sock.h
index 55de3bd719a5..827366b62680 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -109,6 +109,7 @@ struct net;
  *      @skc_refcnt: reference count
  *      @skc_tx_queue_mapping: tx queue number for this connection
  *      @skc_hash: hash value used with various protocol lookup tables
+ *      @skc_u16hashes: two u16 hash values used by UDP lookup tables
  *      @skc_family: network address family
  *      @skc_state: Connection state
  *      @skc_reuse: %SO_REUSEADDR setting
@@ -131,7 +132,10 @@ struct sock_common {
         atomic_t                skc_refcnt;
         int                     skc_tx_queue_mapping;
 
-        unsigned int            skc_hash;
+        union  {
+                unsigned int    skc_hash;
+                __u16           skc_u16hashes[2];
+        };
         unsigned short          skc_family;
         volatile unsigned char  skc_state;
         unsigned char           skc_reuse;