DPDK 21.11.9
rte_hash.h
Go to the documentation of this file.
1/* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2015 Intel Corporation
3 */
4
5#ifndef _RTE_HASH_H_
6#define _RTE_HASH_H_
7
14#include <stdint.h>
15#include <stddef.h>
16
17#include <rte_compat.h>
18#include <rte_rcu_qsbr.h>
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
25#define RTE_HASH_ENTRIES_MAX (1 << 30)
26
28#define RTE_HASH_NAMESIZE 32
29
31#define RTE_HASH_LOOKUP_BULK_MAX 64
32#define RTE_HASH_LOOKUP_MULTI_MAX RTE_HASH_LOOKUP_BULK_MAX
33
35#define RTE_HASH_EXTRA_FLAGS_TRANS_MEM_SUPPORT 0x01
36
38#define RTE_HASH_EXTRA_FLAGS_MULTI_WRITER_ADD 0x02
39
41#define RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY 0x04
42
44#define RTE_HASH_EXTRA_FLAGS_EXT_TABLE 0x08
45
52#define RTE_HASH_EXTRA_FLAGS_NO_FREE_ON_DEL 0x10
53
57#define RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY_LF 0x20
58
63typedef uint32_t hash_sig_t;
64
66typedef uint32_t (*rte_hash_function)(const void *key, uint32_t key_len,
67 uint32_t init_val);
68
70typedef int (*rte_hash_cmp_eq_t)(const void *key1, const void *key2, size_t key_len);
71
77typedef void (*rte_hash_free_key_data)(void *p, void *key_data);
78
83 const char *name;
84 uint32_t entries;
85 uint32_t reserved;
86 uint32_t key_len;
90 uint8_t extra_flag;
91};
92
99};
100
103 struct rte_rcu_qsbr *v;
108 uint32_t dq_size;
124};
125
127struct rte_hash;
128
146struct rte_hash *
148
161
172struct rte_hash *
174
180void
182
193void
195
204int32_t
205rte_hash_count(const struct rte_hash *h);
206
217int32_t
219
243int
244rte_hash_add_key_data(const struct rte_hash *h, const void *key, void *data);
245
272int32_t
273rte_hash_add_key_with_hash_data(const struct rte_hash *h, const void *key,
274 hash_sig_t sig, void *data);
275
294int32_t
295rte_hash_add_key(const struct rte_hash *h, const void *key);
296
318int32_t
319rte_hash_add_key_with_hash(const struct rte_hash *h, const void *key, hash_sig_t sig);
320
348int32_t
349rte_hash_del_key(const struct rte_hash *h, const void *key);
350
380int32_t
381rte_hash_del_key_with_hash(const struct rte_hash *h, const void *key, hash_sig_t sig);
382
400int
401rte_hash_get_key_with_position(const struct rte_hash *h, const int32_t position,
402 void **key);
403
426int
428 const int32_t position);
429
449int
450rte_hash_lookup_data(const struct rte_hash *h, const void *key, void **data);
451
474int
475rte_hash_lookup_with_hash_data(const struct rte_hash *h, const void *key,
476 hash_sig_t sig, void **data);
477
495int32_t
496rte_hash_lookup(const struct rte_hash *h, const void *key);
497
517int32_t
519 const void *key, hash_sig_t sig);
520
533rte_hash_hash(const struct rte_hash *h, const void *key);
534
554int
555rte_hash_lookup_bulk_data(const struct rte_hash *h, const void **keys,
556 uint32_t num_keys, uint64_t *hit_mask, void *data[]);
557
581int
582rte_hash_lookup_with_hash_bulk(const struct rte_hash *h, const void **keys,
583 hash_sig_t *sig, uint32_t num_keys, int32_t *positions);
584
606int
608 const void **keys, hash_sig_t *sig,
609 uint32_t num_keys, uint64_t *hit_mask, void *data[]);
610
632int
633rte_hash_lookup_bulk(const struct rte_hash *h, const void **keys,
634 uint32_t num_keys, int32_t *positions);
635
655int32_t
656rte_hash_iterate(const struct rte_hash *h, const void **key, void **data, uint32_t *next);
657
676
677#ifdef __cplusplus
678}
679#endif
680
681#endif /* _RTE_HASH_H_ */
int32_t rte_hash_add_key(const struct rte_hash *h, const void *key)
int32_t rte_hash_del_key_with_hash(const struct rte_hash *h, const void *key, hash_sig_t sig)
uint32_t(* rte_hash_function)(const void *key, uint32_t key_len, uint32_t init_val)
Definition: rte_hash.h:66
int rte_hash_lookup_data(const struct rte_hash *h, const void *key, void **data)
void rte_hash_free(struct rte_hash *h)
int rte_hash_add_key_data(const struct rte_hash *h, const void *key, void *data)
int32_t rte_hash_add_key_with_hash_data(const struct rte_hash *h, const void *key, hash_sig_t sig, void *data)
int32_t rte_hash_count(const struct rte_hash *h)
int rte_hash_rcu_qsbr_add(struct rte_hash *h, struct rte_hash_rcu_config *cfg)
int rte_hash_lookup_bulk(const struct rte_hash *h, const void **keys, uint32_t num_keys, int32_t *positions)
int32_t rte_hash_iterate(const struct rte_hash *h, const void **key, void **data, uint32_t *next)
rte_hash_qsbr_mode
Definition: rte_hash.h:94
@ RTE_HASH_QSBR_MODE_SYNC
Definition: rte_hash.h:98
@ RTE_HASH_QSBR_MODE_DQ
Definition: rte_hash.h:96
struct rte_hash * rte_hash_find_existing(const char *name)
void(* rte_hash_free_key_data)(void *p, void *key_data)
Definition: rte_hash.h:77
int rte_hash_lookup_with_hash_data(const struct rte_hash *h, const void *key, hash_sig_t sig, void **data)
int32_t rte_hash_lookup(const struct rte_hash *h, const void *key)
int rte_hash_lookup_with_hash_bulk(const struct rte_hash *h, const void **keys, hash_sig_t *sig, uint32_t num_keys, int32_t *positions)
int rte_hash_free_key_with_position(const struct rte_hash *h, const int32_t position)
int rte_hash_get_key_with_position(const struct rte_hash *h, const int32_t position, void **key)
struct rte_hash * rte_hash_create(const struct rte_hash_parameters *params)
int32_t rte_hash_lookup_with_hash(const struct rte_hash *h, const void *key, hash_sig_t sig)
int32_t rte_hash_del_key(const struct rte_hash *h, const void *key)
int32_t rte_hash_add_key_with_hash(const struct rte_hash *h, const void *key, hash_sig_t sig)
hash_sig_t rte_hash_hash(const struct rte_hash *h, const void *key)
uint32_t hash_sig_t
Definition: rte_hash.h:63
int32_t rte_hash_max_key_id(const struct rte_hash *h)
void rte_hash_set_cmp_func(struct rte_hash *h, rte_hash_cmp_eq_t func)
void rte_hash_reset(struct rte_hash *h)
int rte_hash_lookup_with_hash_bulk_data(const struct rte_hash *h, const void **keys, hash_sig_t *sig, uint32_t num_keys, uint64_t *hit_mask, void *data[])
int(* rte_hash_cmp_eq_t)(const void *key1, const void *key2, size_t key_len)
Definition: rte_hash.h:70
int rte_hash_lookup_bulk_data(const struct rte_hash *h, const void **keys, uint32_t num_keys, uint64_t *hit_mask, void *data[])
uint32_t hash_func_init_val
Definition: rte_hash.h:88
uint8_t extra_flag
Definition: rte_hash.h:90
uint32_t entries
Definition: rte_hash.h:84
uint32_t key_len
Definition: rte_hash.h:86
const char * name
Definition: rte_hash.h:83
uint32_t reserved
Definition: rte_hash.h:85
rte_hash_function hash_func
Definition: rte_hash.h:87
struct rte_rcu_qsbr * v
Definition: rte_hash.h:103
uint32_t trigger_reclaim_limit
Definition: rte_hash.h:112
rte_hash_free_key_data free_key_data_func
Definition: rte_hash.h:122
enum rte_hash_qsbr_mode mode
Definition: rte_hash.h:104
uint32_t dq_size
Definition: rte_hash.h:108
uint32_t max_reclaim_size
Definition: rte_hash.h:113
char name[RTE_HASH_NAMESIZE]