DPDK  19.02.0
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 */
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_ */