[dpdk-dev] [RFC 08/12] hash: add support for s390x architecture

Vivian Kong vivkong at gmail.com
Tue Apr 9 21:06:26 CEST 2019


Add big endian support for s390x architecture.

Signed-off-by: Vivian Kong <vivkong at ca.ibm.com>
---
 lib/librte_hash/rte_fbk_hash.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/librte_hash/rte_fbk_hash.h b/lib/librte_hash/rte_fbk_hash.h
index c4d6976d2..5e49950a7 100644
--- a/lib/librte_hash/rte_fbk_hash.h
+++ b/lib/librte_hash/rte_fbk_hash.h
@@ -125,9 +125,16 @@ rte_fbk_hash_add_key_with_bucket(struct rte_fbk_hash_table *ht,
 	 * corrupted due to race conditions, but it's still possible to
 	 * overwrite entries that have just been made valid.
 	 */
+	#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
 	const uint64_t new_entry = ((uint64_t)(key) << 32) |
 			((uint64_t)(value) << 16) |
 			1;  /* 1 = is_entry bit. */
+	#else
+	const uint64_t new_entry =
+			((uint64_t)(1) << 48) | /* 1 = is_entry bit. */
+			((uint64_t)(value) << 32) |
+			(uint64_t)(key);
+	#endif
 	uint32_t i;
 
 	for (i = 0; i < ht->entries_per_bucket; i++) {
-- 
2.17.1



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