return l + r;
}
-/************************ mlx5 list *****************************/
-
-/** Maximum size of string for naming. */
-#define MLX5_NAME_SIZE 32
-
-struct mlx5_list;
-
-/**
- * Structure of the entry in the mlx5 list, user should define its own struct
- * that contains this in order to store the data.
- */
-struct mlx5_list_entry {
- LIST_ENTRY(mlx5_list_entry) next; /* Entry pointers in the list. */
- uint32_t ref_cnt; /* 0 means, entry is invalid. */
- uint32_t lcore_idx;
- struct mlx5_list_entry *gentry;
-};
-
-struct mlx5_list_cache {
- LIST_HEAD(mlx5_list_head, mlx5_list_entry) h;
- uint32_t inv_cnt; /* Invalid entries counter. */
-} __rte_cache_aligned;
-
-/**
- * Type of callback function for entry removal.
- *
- * @param list
- * The mlx5 list.
- * @param entry
- * The entry in the list.
- */
-typedef void (*mlx5_list_remove_cb)(struct mlx5_list *list,
- struct mlx5_list_entry *entry);
-
-/**
- * Type of function for user defined matching.
- *
- * @param list
- * The mlx5 list.
- * @param entry
- * The entry in the list.
- * @param ctx
- * The pointer to new entry context.
- *
- * @return
- * 0 if matching, non-zero number otherwise.
- */
-typedef int (*mlx5_list_match_cb)(struct mlx5_list *list,
- struct mlx5_list_entry *entry, void *ctx);
-
-typedef struct mlx5_list_entry *(*mlx5_list_clone_cb)
- (struct mlx5_list *list,
- struct mlx5_list_entry *entry, void *ctx);
-
-typedef void (*mlx5_list_clone_free_cb)(struct mlx5_list *list,
- struct mlx5_list_entry *entry);
-
-/**
- * Type of function for user defined mlx5 list entry creation.
- *
- * @param list
- * The mlx5 list.
- * @param entry
- * The new allocated entry, NULL if list entry size unspecified,
- * New entry has to be allocated in callback and return.
- * @param ctx
- * The pointer to new entry context.
- *
- * @return
- * Pointer of entry on success, NULL otherwise.
- */
-typedef struct mlx5_list_entry *(*mlx5_list_create_cb)
- (struct mlx5_list *list,
- struct mlx5_list_entry *entry,
- void *ctx);
-
-/**
- * Linked mlx5 list structure.
- *
- * Entry in mlx5 list could be reused if entry already exists,
- * reference count will increase and the existing entry returns.
- *
- * When destroy an entry from list, decrease reference count and only
- * destroy when no further reference.
- *
- * Linked list is designed for limited number of entries,
- * read mostly, less modification.
- *
- * For huge amount of entries, please consider hash list.
- *
- */
-struct mlx5_list {
- char name[MLX5_NAME_SIZE]; /**< Name of the mlx5 list. */
- volatile uint32_t gen_cnt;
- /* List modification will update generation count. */
- volatile uint32_t count; /* number of entries in list. */
- void *ctx; /* user objects target to callback. */
- rte_rwlock_t lock; /* read/write lock. */
- mlx5_list_create_cb cb_create; /**< entry create callback. */
- mlx5_list_match_cb cb_match; /**< entry match callback. */
- mlx5_list_remove_cb cb_remove; /**< entry remove callback. */
- mlx5_list_clone_cb cb_clone; /**< entry clone callback. */
- mlx5_list_clone_free_cb cb_clone_free;
- struct mlx5_list_cache cache[RTE_MAX_LCORE + 1];
- /* Lcore cache, last index is the global cache. */
-};
-
-/**
- * Create a mlx5 list.
- *
- * @param list
- * Pointer to the hast list table.
- * @param name
- * Name of the mlx5 list.
- * @param ctx
- * Pointer to the list context data.
- * @param cb_create
- * Callback function for entry create.
- * @param cb_match
- * Callback function for entry match.
- * @param cb_remove
- * Callback function for entry remove.
- * @return
- * 0 on success, otherwise failure.
- */
-int mlx5_list_create(struct mlx5_list *list,
- const char *name, void *ctx,
- mlx5_list_create_cb cb_create,
- mlx5_list_match_cb cb_match,
- mlx5_list_remove_cb cb_remove,
- mlx5_list_clone_cb cb_clone,
- mlx5_list_clone_free_cb cb_clone_free);
-
-/**
- * Search an entry matching the key.
- *
- * Result returned might be destroyed by other thread, must use
- * this function only in main thread.
- *
- * @param list
- * Pointer to the mlx5 list.
- * @param ctx
- * Common context parameter used by entry callback function.
- *
- * @return
- * Pointer of the list entry if found, NULL otherwise.
- */
-struct mlx5_list_entry *mlx5_list_lookup(struct mlx5_list *list,
- void *ctx);
-
-/**
- * Reuse or create an entry to the mlx5 list.
- *
- * @param list
- * Pointer to the hast list table.
- * @param ctx
- * Common context parameter used by callback function.
- *
- * @return
- * registered entry on success, NULL otherwise
- */
-struct mlx5_list_entry *mlx5_list_register(struct mlx5_list *list,
- void *ctx);
-
-/**
- * Remove an entry from the mlx5 list.
- *
- * User should guarantee the validity of the entry.
- *
- * @param list
- * Pointer to the hast list.
- * @param entry
- * Entry to be removed from the mlx5 list table.
- * @return
- * 0 on entry removed, 1 on entry still referenced.
- */
-int mlx5_list_unregister(struct mlx5_list *list,
- struct mlx5_list_entry *entry);
-
-/**
- * Destroy the mlx5 list.
- *
- * @param list
- * Pointer to the mlx5 list.
- */
-void mlx5_list_destroy(struct mlx5_list *list);
-
-/**
- * Get entry number from the mlx5 list.
- *
- * @param list
- * Pointer to the hast list.
- * @return
- * mlx5 list entry number.
- */
-uint32_t
-mlx5_list_get_entry_num(struct mlx5_list *list);
-
/********************************* indexed pool *************************/
/**
git.droids-corp.org / dpdk.git / blobdiff