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skb_array: resize support 

Update skb_array after ptr_ring API changes.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael S. Tsirkin 2016-06-13 23:54:50 +03:00 committed by David S. Miller
parent 5d49de5320
commit 7d7072e3ba
1 changed files with 29 additions and 4 deletions
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33
include/linux/skb_array.h
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@ -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 */