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net: skbuff: update and rename __kfree_skb_defer()

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__kfree_skb_defer() uses the old naming where "defer" meant
slab bulk free/alloc APIs. In the meantime we also made
__kfree_skb_defer() feed the per-NAPI skb cache, which
implies bulk APIs. So take away the 'defer' and add 'napi'.

While at it add a drop reason. This only matters on the
tx_action path, if the skb has a frag_list. But getting
rid of a SKB_DROP_REASON_NOT_SPECIFIED seems like a net
benefit so why not.

Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Link: https://lore.kernel.org/r/20230420020005.815854-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
2023-04-19 19:00:05 -07:00
parent 61718206ee
commit 8fa66e4a1b
4 changed files with 6 additions and 5 deletions
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include/linux/skbuff.h
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@@ -3253,7 +3253,7 @@ static inline struct sk_buff *napi_alloc_skb(struct napi_struct *napi,
void napi_consume_skb(struct sk_buff *skb, int budget);
void napi_skb_free_stolen_head(struct sk_buff *skb);
void __kfree_skb_defer(struct sk_buff *skb);
void __napi_kfree_skb(struct sk_buff *skb, enum skb_drop_reason reason);
/**
* __dev_alloc_pages - allocate page for network Rx