From 1164f52a244204830c7625b3c22812781996d7b4 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Tue, 23 Sep 2008 00:49:44 -0700 Subject: [PATCH] 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 --- include/linux/skbuff.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index d2f1778877d..a19ea43fea0 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)); \ -- 2.41.0