#endif
-enum add_key_case {
- ADD_KEY_SINGLEWRITER = 0,
- ADD_KEY_MULTIWRITER,
- ADD_KEY_MULTIWRITER_TM,
-};
/** Number of items per bucket. */
#define RTE_HASH_BUCKET_ENTRIES 8
+#if !RTE_IS_POWER_OF_2(RTE_HASH_BUCKET_ENTRIES)
+#error RTE_HASH_BUCKET_ENTRIES must be a power of 2
+#endif
+
#define NULL_SIGNATURE 0
#define EMPTY_SLOT 0
struct rte_ring *free_slots;
/**< Ring that stores all indexes of the free slots in the key table */
- uint8_t hw_trans_mem_support;
- /**< Hardware transactional memory support */
+
struct lcore_cache *local_free_slots;
/**< Local cache per lcore, storing some indexes of the free slots */
- enum add_key_case add_key; /**< Multi-writer hash add behavior */
-
- rte_spinlock_t *multiwriter_lock; /**< Multi-writer spinlock for w/o TM */
/* Fields used in lookup */
uint32_t key_len __rte_cache_aligned;
/**< Length of hash key. */
+ uint8_t hw_trans_mem_support;
+ /**< If hardware transactional memory is used. */
+ uint8_t multi_writer_support;
+ /**< If multi-writer support is enabled. */
+ uint8_t readwrite_concur_support;
+ /**< If read-write concurrency support is enabled */
rte_hash_function hash_func; /**< Function used to calculate hash. */
uint32_t hash_func_init_val; /**< Init value used by hash_func. */
rte_hash_cmp_eq_t rte_hash_custom_cmp_eq;
/**< Table with buckets storing all the hash values and key indexes
* to the key table.
*/
+ rte_rwlock_t *readwrite_lock; /**< Read-write lock thread-safety. */
} __rte_cache_aligned;
struct queue_node {