mempool/stack: add lock-free stack mempool handler

[dpdk.git] / drivers / mempool / stack / rte_mempool_stack.c

diff --git a/drivers/mempool/stack/rte_mempool_stack.c b/drivers/mempool/stack/rte_mempool_stack.c
index 25ccdb9..7e85c8d 100644 (file)
--- a/drivers/mempool/stack/rte_mempool_stack.c
+++ b/drivers/mempool/stack/rte_mempool_stack.c
@@ -7,7 +7,7 @@
 #include <rte_stack.h>
 
 static int
-stack_alloc(struct rte_mempool *mp)
+__stack_alloc(struct rte_mempool *mp, uint32_t flags)
 {
        char name[RTE_STACK_NAMESIZE];
        struct rte_stack *s;
@@ -20,7 +20,7 @@ stack_alloc(struct rte_mempool *mp)
                return -rte_errno;
        }
 
-       s = rte_stack_create(name, mp->size, mp->socket_id, 0);
+       s = rte_stack_create(name, mp->size, mp->socket_id, flags);
        if (s == NULL)
                return -rte_errno;
 
@@ -29,6 +29,18 @@ stack_alloc(struct rte_mempool *mp)
        return 0;
 }
 
+static int
+stack_alloc(struct rte_mempool *mp)
+{
+       return __stack_alloc(mp, 0);
+}
+
+static int
+lf_stack_alloc(struct rte_mempool *mp)
+{
+       return __stack_alloc(mp, RTE_STACK_F_LF);
+}
+
 static int
 stack_enqueue(struct rte_mempool *mp, void * const *obj_table,
              unsigned int n)
@@ -72,4 +84,14 @@ static struct rte_mempool_ops ops_stack = {
        .get_count = stack_get_count
 };
 
+static struct rte_mempool_ops ops_lf_stack = {
+       .name = "lf_stack",
+       .alloc = lf_stack_alloc,
+       .free = stack_free,
+       .enqueue = stack_enqueue,
+       .dequeue = stack_dequeue,
+       .get_count = stack_get_count
+};
+
 MEMPOOL_REGISTER_OPS(ops_stack);
+MEMPOOL_REGISTER_OPS(ops_lf_stack);