diff options
Diffstat (limited to 'net/xdp/xsk_queue.h')
-rw-r--r-- | net/xdp/xsk_queue.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/xdp/xsk_queue.h b/net/xdp/xsk_queue.h index 423ad7368fa2..5752c9fd8ce7 100644 --- a/net/xdp/xsk_queue.h +++ b/net/xdp/xsk_queue.h @@ -175,6 +175,11 @@ static inline bool xp_validate_desc(struct xsk_buff_pool *pool, xp_aligned_validate_desc(pool, desc); } +static inline bool xskq_has_descs(struct xsk_queue *q) +{ + return q->cached_cons != q->cached_prod; +} + static inline bool xskq_cons_is_valid_desc(struct xsk_queue *q, struct xdp_desc *d, struct xsk_buff_pool *pool) @@ -190,17 +195,15 @@ static inline bool xskq_cons_read_desc(struct xsk_queue *q, struct xdp_desc *desc, struct xsk_buff_pool *pool) { - while (q->cached_cons != q->cached_prod) { + if (q->cached_cons != q->cached_prod) { struct xdp_rxtx_ring *ring = (struct xdp_rxtx_ring *)q->ring; u32 idx = q->cached_cons & q->ring_mask; *desc = ring->desc[idx]; - if (xskq_cons_is_valid_desc(q, desc, pool)) - return true; - - q->cached_cons++; + return xskq_cons_is_valid_desc(q, desc, pool); } + q->queue_empty_descs++; return false; } |