net/mlx5: add trunk dynamic grow for indexed pool

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

diff --git a/drivers/net/mlx5/mlx5_utils.h b/drivers/net/mlx5/mlx5_utils.h
index f11d6cc..53a79d7 100644 (file)
--- a/drivers/net/mlx5/mlx5_utils.h
+++ b/drivers/net/mlx5/mlx5_utils.h
@@ -81,9 +81,25 @@ extern int mlx5_logtype;
 
 struct mlx5_indexed_pool_config {
        uint32_t size; /* Pool entry size. */
-       uint32_t trunk_size;
-       /* Trunk entry number. Must be power of 2. */
-       uint32_t need_lock;
+       uint32_t trunk_size:22;
+       /*
+        * Trunk entry number. Must be power of 2. It can be increased
+        * if trunk_grow enable. The trunk entry number increases with
+        * left shift grow_shift. Trunks with index are after grow_trunk
+        * will keep the entry number same with the last grow trunk.
+        */
+       uint32_t grow_trunk:4;
+       /*
+        * Trunks with entry number increase in the pool. Set it to 0
+        * to make the pool works as trunk entry fixed pool. It works
+        * only if grow_shift is not 0.
+        */
+       uint32_t grow_shift:4;
+       /*
+        * Trunk entry number increase shift value, stop after grow_trunk.
+        * It works only if grow_trunk is not 0.
+        */
+       uint32_t need_lock:1;
        /* Lock is needed for multiple thread usage. */
        const char *type; /* Memory allocate type name. */
        void *(*malloc)(const char *type, size_t size, unsigned int align,
@@ -116,6 +132,7 @@ struct mlx5_indexed_pool {
        uint32_t trunk_empty;
        uint32_t trunk_free;
 #endif
+       uint32_t grow_tbl[]; /* Save the index offset for the grow trunks. */
 };
 
 /**