On Tue, May 02, 2017 at 08:40:32AM -0700, John Fastabend wrote:
> This adds a peek routine to skb_array.h for use with qdisc.
>
> Signed-off-by: John Fastabend <john.r.fastab...@intel.com>
> ---
> include/linux/skb_array.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/include/linux/skb_array.h b/include/linux/skb_array.h
> index f4dfade..33f1f0c 100644
> --- a/include/linux/skb_array.h
> +++ b/include/linux/skb_array.h
> @@ -72,6 +72,11 @@ static inline bool __skb_array_empty(struct skb_array *a)
> return !__ptr_ring_peek(&a->ring);
> }
>
> +static inline struct sk_buff *skb_array_peek(struct skb_array *a)
> +{
> + return __ptr_ring_peek(&a->ring);
> +}
> +
> static inline bool skb_array_empty(struct skb_array *a)
> {
> return ptr_ring_empty(&a->ring);
I think it's better to call this __skb_array_peek: the issue
is that callers must be careful with it's use - see the comment
near __ptr_ring_peek.
--
MST
