diff options
Diffstat (limited to 'lib/librte_member/rte_member_ht.h')
-rw-r--r-- | lib/librte_member/rte_member_ht.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/lib/librte_member/rte_member_ht.h b/lib/librte_member/rte_member_ht.h new file mode 100644 index 00000000..3148a492 --- /dev/null +++ b/lib/librte_member/rte_member_ht.h @@ -0,0 +1,94 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2017 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _RTE_MEMBER_HT_H_ +#define _RTE_MEMBER_HT_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +/* Maximum number of pushes for cuckoo path in HT mode. */ +#define RTE_MEMBER_MAX_PUSHES 50 + +typedef uint16_t member_sig_t; /* signature size is 16 bit */ + +/* The bucket struct for ht setsum */ +struct member_ht_bucket { + member_sig_t sigs[RTE_MEMBER_BUCKET_ENTRIES]; /* 2-byte signature */ + member_set_t sets[RTE_MEMBER_BUCKET_ENTRIES]; /* 2-byte set */ +} __rte_cache_aligned; + +int +rte_member_create_ht(struct rte_member_setsum *ss, + const struct rte_member_parameters *params); + +int +rte_member_lookup_ht(const struct rte_member_setsum *setsum, + const void *key, member_set_t *set_id); + +uint32_t +rte_member_lookup_bulk_ht(const struct rte_member_setsum *setsum, + const void **keys, uint32_t num_keys, + member_set_t *set_ids); + +uint32_t +rte_member_lookup_multi_ht(const struct rte_member_setsum *setsum, + const void *key, uint32_t match_per_key, + member_set_t *set_id); + +uint32_t +rte_member_lookup_multi_bulk_ht(const struct rte_member_setsum *setsum, + const void **keys, uint32_t num_keys, uint32_t match_per_key, + uint32_t *match_count, + member_set_t *set_ids); + +int +rte_member_add_ht(const struct rte_member_setsum *setsum, + const void *key, member_set_t set_id); + +void +rte_member_free_ht(struct rte_member_setsum *setsum); + +int +rte_member_delete_ht(const struct rte_member_setsum *ss, const void *key, + member_set_t set_id); + +void +rte_member_reset_ht(const struct rte_member_setsum *setsum); + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_MEMBER_HT_H_ */ |