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| author | David S. Miller <davem@davemloft.net> | 2008-09-23 00:49:44 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-09-23 00:49:44 -0700 |
| commit | 1164f52a244204830c7625b3c22812781996d7b4 (patch) | |
| tree | afbc8f208e299bc0a68d8d50ba1dd9b5fe5b596d | |
| parent | 249c8b42c7e5e6f33d0ff983041f08278b137e53 (diff) | |
| download | linux-1164f52a244204830c7625b3c22812781996d7b4.tar.gz linux-1164f52a244204830c7625b3c22812781996d7b4.tar.bz2 linux-1164f52a244204830c7625b3c22812781996d7b4.zip | |
net: Add skb_queue_walk_from() and skb_queue_walk_from_safe().
These will be used by TCP write queue handling and elsewhere.
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/skbuff.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index d2f1778877d7..a19ea43fea02 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1571,6 +1571,15 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len) skb != (struct sk_buff *)(queue); \ skb = tmp, tmp = skb->next) +#define skb_queue_walk_from(queue, skb) \ + for (; prefetch(skb->next), (skb != (struct sk_buff *)(queue)); \ + skb = skb->next) + +#define skb_queue_walk_from_safe(queue, skb, tmp) \ + for (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)); \ |