On Thu, Jun 23, 2016 at 01:14:07PM +0800, Jason Wang wrote:
Ok and this for skb_array
On 2016å06æ23æ 02:18, Michael S. Tsirkin wrote:
On Fri, Jun 17, 2016 at 03:41:20AM +0300, Michael S. Tsirkin wrote:Exactly what I want.
OK, here it is. Untested so far, and no skb wrapper.Would it help to have ptr_ring_resize that gets an array of
rings and resizes them both to same length?
Pls let me know whether this is what you had in mind.
Thanks
-->
skb_array: add wrappers for resizing
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
--
diff --git a/include/linux/skb_array.h b/include/linux/skb_array.h
index c900708..7e01c1f 100644
--- a/include/linux/skb_array.h
+++ b/include/linux/skb_array.h
@@ -151,16 +151,24 @@ static inline int skb_array_init(struct skb_array *a, int size, gfp_t gfp)
return ptr_ring_init(&a->ring, size, 0, gfp);
}
-void __skb_array_destroy_skb(void *ptr)
+static void __skb_array_destroy_skb(void *ptr)
{
kfree_skb(ptr);
}
-int skb_array_resize(struct skb_array *a, int size, gfp_t gfp)
+static inline 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 int skb_raay_resize_multiple(struct skb_array **rings, int nrings,
+ int size, gfp_t gfp)
+{
+ BUILD_BUG_ON(offsetof(struct skb_array, ring));
+ ptr_ring_resize_multiple((struct ptr_ring **)rings, nrings, size, gfp,
+ __skb_array_destroy_skb);
+}
+
static inline void skb_array_cleanup(struct skb_array *a)
{
ptr_ring_cleanup(&a->ring, __skb_array_destroy_skb);