net/enic: enable flow API for VF representor

[dpdk.git] / drivers / net / mlx5 / mlx5_utils.c

diff --git a/drivers/net/mlx5/mlx5_utils.c b/drivers/net/mlx5/mlx5_utils.c
index 25e8b27..fefe833 100644 (file)
--- a/drivers/net/mlx5/mlx5_utils.c
+++ b/drivers/net/mlx5/mlx5_utils.c
@@ -81,6 +81,44 @@ mlx5_hlist_insert(struct mlx5_hlist *h, struct mlx5_hlist_entry *entry)
        return 0;
 }
 
+struct mlx5_hlist_entry *
+mlx5_hlist_lookup_ex(struct mlx5_hlist *h, uint64_t key,
+                    mlx5_hlist_match_callback_fn cb, void *ctx)
+{
+       uint32_t idx;
+       struct mlx5_hlist_head *first;
+       struct mlx5_hlist_entry *node;
+
+       MLX5_ASSERT(h && cb && ctx);
+       idx = rte_hash_crc_8byte(key, 0) & h->mask;
+       first = &h->heads[idx];
+       LIST_FOREACH(node, first, next) {
+               if (!cb(node, ctx))
+                       return node;
+       }
+       return NULL;
+}
+
+int
+mlx5_hlist_insert_ex(struct mlx5_hlist *h, struct mlx5_hlist_entry *entry,
+                    mlx5_hlist_match_callback_fn cb, void *ctx)
+{
+       uint32_t idx;
+       struct mlx5_hlist_head *first;
+       struct mlx5_hlist_entry *node;
+
+       MLX5_ASSERT(h && entry && cb && ctx);
+       idx = rte_hash_crc_8byte(entry->key, 0) & h->mask;
+       first = &h->heads[idx];
+       /* No need to reuse the lookup function. */
+       LIST_FOREACH(node, first, next) {
+               if (!cb(node, ctx))
+                       return -EEXIST;
+       }
+       LIST_INSERT_HEAD(first, entry, next);
+       return 0;
+}
+
 void
 mlx5_hlist_remove(struct mlx5_hlist *h __rte_unused,
                  struct mlx5_hlist_entry *entry)