X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_hash%2Frte_cuckoo_hash.h;h=b43f467d5aeb7218f1a59907f8ba2fa05805e0c3;hb=41dbdb68723b;hp=7a54e55575f17d9294bbe4d90643e4413e9c89a8;hpb=3a47be9abbb64e44c85a689024a8de78a938e0c3;p=dpdk.git

diff --git a/lib/librte_hash/rte_cuckoo_hash.h b/lib/librte_hash/rte_cuckoo_hash.h
index 7a54e55575..b43f467d5a 100644
--- a/lib/librte_hash/rte_cuckoo_hash.h
+++ b/lib/librte_hash/rte_cuckoo_hash.h
@@ -88,15 +88,14 @@ const rte_hash_cmp_eq_t cmp_jump_table[NUM_KEY_CMP_CASES] = {
 
 #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
@@ -155,18 +154,20 @@ struct rte_hash {
 
 	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;
@@ -184,6 +185,7 @@ struct rte_hash {
 	/**< 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 {