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net: skb: introduce the function kfree_skb_list_reason()

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To report reasons of skb drops, introduce the function
kfree_skb_list_reason() and make kfree_skb_list() an inline call to
it. This function will be used in the next commit in
__dev_xmit_skb().

Signed-off-by: Menglong Dong <imagedong@tencent.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Menglong Dong 2022-03-04 14:00:41 +08:00 • committed by David S. Miller
parent 98b4d7a4e7
commit 215b0f1963
2 changed files with 11 additions and 4 deletions
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7
net/core/skbuff.c
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@ -777,16 +777,17 @@ void kfree_skb_reason(struct sk_buff *skb, enum skb_drop_reason reason)
}
EXPORT_SYMBOL(kfree_skb_reason);
void kfree_skb_list(struct sk_buff *segs)
void kfree_skb_list_reason(struct sk_buff *segs,
enum skb_drop_reason reason)
{
while (segs) {
struct sk_buff *next = segs->next;
kfree_skb(segs);
kfree_skb_reason(segs, reason);
segs = next;
}
}
EXPORT_SYMBOL(kfree_skb_list);
EXPORT_SYMBOL(kfree_skb_list_reason);
/* Dump skb information and contents.
*