skb_array: resize support (7d7072e3) · Commits · 戴 / test

include/linux/skb_array.h

+29 −4

Original line number	Diff line number	Diff line
		@@ -63,9 +63,9 @@ static inline int skb_array_produce_any(struct skb_array a, struct sk_buff skb
		return ptr_ring_produce_any(&a->ring, skb);
		}

		/* Might be slightly faster than skb_array_empty below, but callers invoking
		* this in a loop must take care to use a compiler barrier, for example
		* cpu_relax().
		/* Might be slightly faster than skb_array_empty below, but only safe if the
		* array is never resized. Also, callers invoking this in a loop must take care
		* to use a compiler barrier, for example cpu_relax().
		*/
		static inline bool __skb_array_empty(struct skb_array *a)
		{
		@@ -77,6 +77,21 @@ static inline bool skb_array_empty(struct skb_array *a)
		return ptr_ring_empty(&a->ring);
		}

		static inline bool skb_array_empty_bh(struct skb_array *a)
		{
		return ptr_ring_empty_bh(&a->ring);
		}

		static inline bool skb_array_empty_irq(struct skb_array *a)
		{
		return ptr_ring_empty_irq(&a->ring);
		}

		static inline bool skb_array_empty_any(struct skb_array *a)
		{
		return ptr_ring_empty_any(&a->ring);
		}

		static inline struct sk_buff skb_array_consume(struct skb_array a)
		{
		return ptr_ring_consume(&a->ring);
		@@ -136,9 +151,19 @@ static inline int skb_array_init(struct skb_array *a, int size, gfp_t gfp)
		return ptr_ring_init(&a->ring, size, gfp);
		}

		void __skb_array_destroy_skb(void *ptr)
		{
		kfree_skb(ptr);
		}

		int skb_array_resize(struct skb_array *a, int size, gfp_t gfp)
		{
		return ptr_ring_resize(&a->ring, size, gfp, __skb_array_destroy_skb);
		}

		static inline void skb_array_cleanup(struct skb_array *a)
		{
		ptr_ring_cleanup(&a->ring);
		ptr_ring_cleanup(&a->ring, __skb_array_destroy_skb);
		}

		#endif /* _LINUX_SKB_ARRAY_H */

Admin message