Add big endian support for s390x architecture.

Signed-off-by: Vivian Kong <vivk...@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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