hash: add vectorized comparison

[dpdk.git] / lib / librte_hash / rte_cuckoo_hash.h

diff --git a/lib/librte_hash/rte_cuckoo_hash.h b/lib/librte_hash/rte_cuckoo_hash.h
index 6549731..504661d 100644 (file)
--- a/lib/librte_hash/rte_cuckoo_hash.h
+++ b/lib/librte_hash/rte_cuckoo_hash.h
@@ -130,7 +130,7 @@ enum add_key_case {
 };
 
 /** Number of items per bucket. */
-#define RTE_HASH_BUCKET_ENTRIES                4
+#define RTE_HASH_BUCKET_ENTRIES                8
 
 #define NULL_SIGNATURE                 0
 
@@ -161,6 +161,14 @@ struct rte_hash_key {
        char key[0];
 } __attribute__((aligned(KEY_ALIGNMENT)));
 
+/* All different signature compare functions */
+enum rte_hash_sig_compare_function {
+       RTE_HASH_COMPARE_SCALAR = 0,
+       RTE_HASH_COMPARE_SSE,
+       RTE_HASH_COMPARE_AVX2,
+       RTE_HASH_COMPARE_NUM
+};
+
 /** Bucket structure */
 struct rte_hash_bucket {
        hash_sig_t sig_current[RTE_HASH_BUCKET_ENTRIES];
@@ -199,6 +207,8 @@ struct rte_hash {
        /**< Custom function used to compare keys. */
        enum cmp_jump_table_case cmp_jump_table_idx;
        /**< Indicates which compare function to use. */
+       enum rte_hash_sig_compare_function sig_cmp_fn;
+       /**< Indicates which signature compare function to use. */
        uint32_t bucket_bitmask;
        /**< Bitmask for getting bucket index from hash signature. */
        uint32_t key_entry_size;         /**< Size of each key entry. */