[NET]: qdisc_restart - couple of optimizations.

[net-next-2.6.git] / include / linux / skbuff.h

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 2694cb3ca763e572c9296ca116f0e3eaa2c1e0bd..6f0b2f7d00108835253403dc5f74039b49e3d002 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -197,7 +197,7 @@ typedef unsigned char *sk_buff_data_t;
  *     @tstamp: Time we arrived
  *     @dev: Device we arrived on/are leaving by
  *     @iif: ifindex of device we arrived on
- *     @h: Transport layer header
+ *     @transport_header: Transport layer header
  *     @network_header: Network layer header
  *     @mac_header: Link layer header
  *     @dst: destination entry
@@ -1471,6 +1471,11 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
                     prefetch(skb->next), (skb != (struct sk_buff *)(queue));   \
                     skb = skb->next)
 
+#define skb_queue_walk_safe(queue, skb, tmp)                                   \
+               for (skb = (queue)->next, tmp = skb->next;                      \
+                    skb != (struct sk_buff *)(queue);                          \
+                    skb = tmp, tmp = skb->next)
+
 #define skb_queue_reverse_walk(queue, skb) \
                for (skb = (queue)->prev;                                       \
                     prefetch(skb->prev), (skb != (struct sk_buff *)(queue));   \
@@ -1574,6 +1579,10 @@ static inline ktime_t net_timedelta(ktime_t t)
        return ktime_sub(ktime_get_real(), t);
 }
 
+static inline ktime_t net_invalid_timestamp(void)
+{
+       return ktime_set(0, 0);
+}
 
 extern __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len);
 extern __sum16 __skb_checksum_complete(struct sk_buff *skb);