[PATCH v11 1/7] hash: make compare signature function enum private

[Yoan Picchi <yoan.picchi@arm.com>]

enum rte_hash_sig_compare_function is only used internally. This
patch move it out of the public ABI and into the C file.

Signed-off-by: Yoan Picchi <yoan.picchi@arm.com>
---
 lib/hash/rte_cuckoo_hash.c | 10 ++++++++++
 lib/hash/rte_cuckoo_hash.h | 10 +---------
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/lib/hash/rte_cuckoo_hash.c b/lib/hash/rte_cuckoo_hash.c
index d87aa52b5b..e1d50e7d40 100644
--- a/lib/hash/rte_cuckoo_hash.c
+++ b/lib/hash/rte_cuckoo_hash.c
@@ -33,6 +33,16 @@ RTE_LOG_REGISTER_DEFAULT(hash_logtype, INFO);
 
 #include "rte_cuckoo_hash.h"
 
+/* Enum used to select the implementation of the signature comparison function to use
+ * eg: A system supporting SVE might want to use a NEON or scalar implementation.
+ */
+enum rte_hash_sig_compare_function {
+	RTE_HASH_COMPARE_SCALAR = 0,
+	RTE_HASH_COMPARE_SSE,
+	RTE_HASH_COMPARE_NEON,
+	RTE_HASH_COMPARE_NUM
+};
+
 /* Mask of all flags supported by this version */
 #define RTE_HASH_EXTRA_FLAGS_MASK (RTE_HASH_EXTRA_FLAGS_TRANS_MEM_SUPPORT | \
 				   RTE_HASH_EXTRA_FLAGS_MULTI_WRITER_ADD | \
diff --git a/lib/hash/rte_cuckoo_hash.h b/lib/hash/rte_cuckoo_hash.h
index a528f1d1a0..26a992419a 100644
--- a/lib/hash/rte_cuckoo_hash.h
+++ b/lib/hash/rte_cuckoo_hash.h
@@ -134,14 +134,6 @@ struct rte_hash_key {
 	char key[0];
 };
 
-/* All different signature compare functions */
-enum rte_hash_sig_compare_function {
-	RTE_HASH_COMPARE_SCALAR = 0,
-	RTE_HASH_COMPARE_SSE,
-	RTE_HASH_COMPARE_NEON,
-	RTE_HASH_COMPARE_NUM
-};
-
 /** Bucket structure */
 struct __rte_cache_aligned rte_hash_bucket {
 	uint16_t sig_current[RTE_HASH_BUCKET_ENTRIES];
@@ -199,7 +191,7 @@ struct __rte_cache_aligned 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;
+	unsigned int sig_cmp_fn;
 	/**< Indicates which signature compare function to use. */
 	uint32_t bucket_bitmask;
 	/**< Bitmask for getting bucket index from hash signature. */
-- 
2.34.1