1/*-
2 * Copyright (c) 2023 Bjoern A. Zeeb
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#ifndef	_LINUXKPI_LINUX_RHASHTABLE_H
27#define	_LINUXKPI_LINUX_RHASHTABLE_H
28
29#include <linux/kernel.h>	/* pr_debug */
30
31struct rhash_head {
32};
33
34struct rhashtable_params {
35	uint16_t	head_offset;
36	uint16_t	key_len;
37	uint16_t	key_offset;
38	uint16_t	nelem_hint;
39	bool		automatic_shrinking;
40};
41
42struct rhashtable {
43};
44
45static inline int
46rhashtable_init(struct rhashtable *rht,
47    const struct rhashtable_params *params)
48{
49
50	pr_debug("%s: TODO\n", __func__);
51	return (-1);
52}
53
54static inline void
55rhashtable_destroy(struct rhashtable *rht)
56{
57	pr_debug("%s: TODO\n", __func__);
58}
59
60static inline void *
61rhashtable_lookup_fast(struct rhashtable *rht, const void *key,
62    const struct rhashtable_params params)
63{
64
65	pr_debug("%s: TODO\n", __func__);
66	return (NULL);
67}
68
69static inline void *
70rhashtable_lookup_get_insert_fast(struct rhashtable *rht,
71    struct rhash_head *obj, const struct rhashtable_params params)
72{
73
74	pr_debug("%s: TODO\n", __func__);
75	return (NULL);
76}
77
78static inline int
79rhashtable_remove_fast(struct rhashtable *rht,
80    struct rhash_head *obj, const struct rhashtable_params params)
81{
82
83	pr_debug("%s: TODO\n", __func__);
84	return (-ENOENT);
85}
86
87#endif	/* _LINUXKPI_LINUX_RHASHTABLE_H */
88