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path: root/net/xdp/xsk_buff_pool.c
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Diffstat (limited to 'net/xdp/xsk_buff_pool.c')
-rw-r--r--net/xdp/xsk_buff_pool.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index c0e0204b9630..dad7849c1b75 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -656,9 +656,17 @@ EXPORT_SYMBOL(xp_alloc_batch);
bool xp_can_alloc(struct xsk_buff_pool *pool, u32 count)
{
+ u32 req_count, avail_count;
+
if (pool->free_list_cnt >= count)
return true;
- return xskq_cons_has_entries(pool->fq, count - pool->free_list_cnt);
+
+ req_count = count - pool->free_list_cnt;
+ avail_count = xskq_cons_nb_entries(pool->fq, req_count);
+ if (!avail_count)
+ pool->fq->queue_empty_descs++;
+
+ return avail_count >= req_count;
}
EXPORT_SYMBOL(xp_can_alloc);