1 files changed, 25 insertions, 10 deletions

diff --git a/include/net/dst.h b/include/net/dst.h
index 02386505033d..ffe9cb719c0e 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -43,10 +43,11 @@ struct dst_entry {
         short                   error;
         short                   obsolete;
         int                     flags;
-#define DST_HOST                1
-#define DST_NOXFRM              2
-#define DST_NOPOLICY            4
-#define DST_NOHASH              8
+#define DST_HOST                0x0001
+#define DST_NOXFRM              0x0002
+#define DST_NOPOLICY            0x0004
+#define DST_NOHASH              0x0008
+#define DST_NOCACHE             0x0010
         unsigned long           expires;
 
         unsigned short          header_len;     /* more space at head required */
@@ -94,7 +95,7 @@ struct dst_entry {
         unsigned long           lastuse;
         union {
                 struct dst_entry *next;
-                struct rtable    *rt_next;
+                struct rtable __rcu *rt_next;
                 struct rt6_info   *rt6_next;
                 struct dn_route  *dn_next;
         };
@@ -228,23 +229,37 @@ static inline void skb_dst_force(struct sk_buff *skb)
 
 
 /**
+ *      __skb_tunnel_rx - prepare skb for rx reinsert
+ *      @skb: buffer
+ *      @dev: tunnel device
+ *
+ *      After decapsulation, packet is going to re-enter (netif_rx()) our stack,
+ *      so make some cleanups. (no accounting done)
+ */
+static inline void __skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev)
+{
+        skb->dev = dev;
+        skb->rxhash = 0;
+        skb_set_queue_mapping(skb, 0);
+        skb_dst_drop(skb);
+        nf_reset(skb);
+}
+
+/**
  *      skb_tunnel_rx - prepare skb for rx reinsert
  *      @skb: buffer
  *      @dev: tunnel device
  *
  *      After decapsulation, packet is going to re-enter (netif_rx()) our stack,
  *      so make some cleanups, and perform accounting.
+ *      Note: this accounting is not SMP safe.
  */
 static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev)
 {
-        skb->dev = dev;
         /* TODO : stats should be SMP safe */
         dev->stats.rx_packets++;
         dev->stats.rx_bytes += skb->len;
-        skb->rxhash = 0;
-        skb_set_queue_mapping(skb, 0);
-        skb_dst_drop(skb);
-        nf_reset(skb);
+        __skb_tunnel_rx(skb, dev);
 }
 
 /* Children define the path of the packet through the