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Message-Id: <20080923.010655.250864105.davem@davemloft.net> Date: Tue, 23 Sep 2008 01:06:55 -0700 (PDT) From: David Miller <davem@...emloft.net> To: netdev@...r.kernel.org Subject: [PATCH]: net: Add skb_queue_walk_from() and skb_queue_walk_from_safe(). 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@...emloft.net> --- 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 d2f1778..a19ea43 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)); \ -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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