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author | Ricardo Salveti <ricardo.salveti@linaro.org> | 2016-07-18 15:30:06 -0300 |
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committer | Ricardo Salveti <ricardo.salveti@linaro.org> | 2016-07-18 15:30:30 -0300 |
commit | a41e6ff15809d40e0f9bbc9576bf8f7f80fbec1d (patch) | |
tree | c9e6fc399c2738e84ed2585e6e51e90f9608ca12 /lib/librte_hash/rte_cuckoo_hash.c | |
parent | 8b25d1ad5d2264bdfc2818c7bda74ee2697df6db (diff) |
Imported Upstream version 16.07-rc2
Change-Id: Ie9e8ec528a2a0dace085c5e44aa7fa3b489d4ba0
Signed-off-by: Ricardo Salveti <ricardo.salveti@linaro.org>
Diffstat (limited to 'lib/librte_hash/rte_cuckoo_hash.c')
-rw-r--r-- | lib/librte_hash/rte_cuckoo_hash.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/librte_hash/rte_cuckoo_hash.c b/lib/librte_hash/rte_cuckoo_hash.c index e3cc3a7c..26e54f68 100644 --- a/lib/librte_hash/rte_cuckoo_hash.c +++ b/lib/librte_hash/rte_cuckoo_hash.c @@ -877,6 +877,26 @@ rte_hash_del_key(const struct rte_hash *h, const void *key) return __rte_hash_del_key_with_hash(h, key, rte_hash_hash(h, key)); } +int +rte_hash_get_key_with_position(const struct rte_hash *h, const int32_t position, + void **key) +{ + RETURN_IF_TRUE(((h == NULL) || (key == NULL)), -EINVAL); + + struct rte_hash_key *k, *keys = h->key_store; + k = (struct rte_hash_key *) ((char *) keys + (position + 1) * + h->key_entry_size); + *key = k->key; + + if (position != + __rte_hash_lookup_with_hash(h, *key, rte_hash_hash(h, *key), + NULL)) { + return -ENOENT; + } + + return 0; +} + /* Lookup bulk stage 0: Prefetch input key */ static inline void lookup_stage0(unsigned *idx, uint64_t *lookup_mask, |