lib/librte_member/rte_member_ht.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #ifndef _RTE_MEMBER_HT_H_
   6 #define _RTE_MEMBER_HT_H_
   7
   8 #ifdef __cplusplus
   9 extern "C" {
  10 #endif
  11
  12 /* Maximum number of pushes for cuckoo path in HT mode. */
  13 #define RTE_MEMBER_MAX_PUSHES 50
  14
  15 typedef uint16_t member_sig_t;                  /* signature size is 16 bit */
  16
  17 /* The bucket struct for ht setsum */
  18 struct member_ht_bucket {
  19         member_sig_t sigs[RTE_MEMBER_BUCKET_ENTRIES];   /* 2-byte signature */
  20         member_set_t sets[RTE_MEMBER_BUCKET_ENTRIES];   /* 2-byte set */
  21 } __rte_cache_aligned;
  22
  23 int
  24 rte_member_create_ht(struct rte_member_setsum *ss,
  25                 const struct rte_member_parameters *params);
  26
  27 int
  28 rte_member_lookup_ht(const struct rte_member_setsum *setsum,
  29                 const void *key, member_set_t *set_id);
  30
  31 uint32_t
  32 rte_member_lookup_bulk_ht(const struct rte_member_setsum *setsum,
  33                 const void **keys, uint32_t num_keys,
  34                 member_set_t *set_ids);
  35
  36 uint32_t
  37 rte_member_lookup_multi_ht(const struct rte_member_setsum *setsum,
  38                 const void *key, uint32_t match_per_key,
  39                 member_set_t *set_id);
  40
  41 uint32_t
  42 rte_member_lookup_multi_bulk_ht(const struct rte_member_setsum *setsum,
  43                 const void **keys, uint32_t num_keys, uint32_t match_per_key,
  44                 uint32_t *match_count,
  45                 member_set_t *set_ids);
  46
  47 int
  48 rte_member_add_ht(const struct rte_member_setsum *setsum,
  49                 const void *key, member_set_t set_id);
  50
  51 void
  52 rte_member_free_ht(struct rte_member_setsum *setsum);
  53
  54 int
  55 rte_member_delete_ht(const struct rte_member_setsum *ss, const void *key,
  56                 member_set_t set_id);
  57
  58 void
  59 rte_member_reset_ht(const struct rte_member_setsum *setsum);
  60
  61 #ifdef __cplusplus
  62 }
  63 #endif
  64
  65 #endif /* _RTE_MEMBER_HT_H_ */