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[SKB]: Introduce skb_queue_walk_safe()

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This patch provides a method for walking skb lists while inserting or
removing skbs from the list.

Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
James Chapman 2007-04-30 00:07:31 -07:00 committed by David S. Miller
parent 04b090d50c
commit 46f8914e53
1 changed files with 5 additions and 0 deletions
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5
include/linux/skbuff.h
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@ -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)); \ prefetch(skb->next), (skb != (struct sk_buff *)(queue)); \
skb = skb->next) 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) \ #define skb_queue_reverse_walk(queue, skb) \
for (skb = (queue)->prev; \ for (skb = (queue)->prev; \
prefetch(skb->prev), (skb != (struct sk_buff *)(queue)); \ prefetch(skb->prev), (skb != (struct sk_buff *)(queue)); \