diff options
Diffstat (limited to 'lib/librte_hash/rte_cuckoo_hash.c')
| -rw-r--r-- | lib/librte_hash/rte_cuckoo_hash.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/librte_hash/rte_cuckoo_hash.c b/lib/librte_hash/rte_cuckoo_hash.c index 26e54f68..d6e68c68 100644 --- a/lib/librte_hash/rte_cuckoo_hash.c +++ b/lib/librte_hash/rte_cuckoo_hash.c @@ -159,7 +159,8 @@ rte_hash_create(const struct rte_hash_parameters *params) num_key_slots = params->entries + 1; snprintf(ring_name, sizeof(ring_name), "HT_%s", params->name); - r = rte_ring_create(ring_name, rte_align32pow2(num_key_slots), + /* Create ring (Dummy slot index is not enqueued) */ + r = rte_ring_create(ring_name, rte_align32pow2(num_key_slots - 1), params->socket_id, 0); if (r == NULL) { RTE_LOG(ERR, HASH, "memory allocation failed\n"); @@ -408,6 +409,7 @@ rte_hash_reset(struct rte_hash *h) static inline int make_space_bucket(const struct rte_hash *h, struct rte_hash_bucket *bkt) { + static unsigned int nr_pushes; unsigned i, j; int ret; uint32_t next_bucket_idx; @@ -444,11 +446,13 @@ make_space_bucket(const struct rte_hash *h, struct rte_hash_bucket *bkt) break; /* All entries have been pushed, so entry cannot be added */ - if (i == RTE_HASH_BUCKET_ENTRIES) + if (i == RTE_HASH_BUCKET_ENTRIES || nr_pushes > RTE_HASH_MAX_PUSHES) return -ENOSPC; /* Set flag to indicate that this entry is going to be pushed */ bkt->flag[i] = 1; + + nr_pushes++; /* Need room in alternative bucket to insert the pushed entry */ ret = make_space_bucket(h, next_bkt[i]); /* @@ -458,6 +462,7 @@ make_space_bucket(const struct rte_hash *h, struct rte_hash_bucket *bkt) * or return error */ bkt->flag[i] = 0; + nr_pushes = 0; if (ret >= 0) { next_bkt[i]->signatures[ret].alt = bkt->signatures[i].current; next_bkt[i]->signatures[ret].current = bkt->signatures[i].alt; @@ -814,6 +819,7 @@ __rte_hash_del_key_with_hash(const struct rte_hash *h, const void *key, unsigned i; struct rte_hash_bucket *bkt; struct rte_hash_key *k, *keys = h->key_store; + int32_t ret; bucket_idx = sig & h->bucket_bitmask; bkt = &h->buckets[bucket_idx]; @@ -831,7 +837,9 @@ __rte_hash_del_key_with_hash(const struct rte_hash *h, const void *key, * Return index where key is stored, * substracting the first dummy index */ - return bkt->key_idx[i] - 1; + ret = bkt->key_idx[i] - 1; + bkt->key_idx[i] = 0; + return ret; } } } @@ -854,7 +862,9 @@ __rte_hash_del_key_with_hash(const struct rte_hash *h, const void *key, * Return index where key is stored, * substracting the first dummy index */ - return bkt->key_idx[i] - 1; + ret = bkt->key_idx[i] - 1; + bkt->key_idx[i] = 0; + return ret; } } } |