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 31 struct rhash_head { 32 }; 33 34 struct 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 42 struct rhashtable { 43 }; 44 45 static inline int 46 rhashtable_init(struct rhashtable *rht, 47 const struct rhashtable_params *params) 48 { 49 50 pr_debug("%s: TODO\n", __func__); 51 return (-1); 52 } 53 54 static inline void 55 rhashtable_destroy(struct rhashtable *rht) 56 { 57 pr_debug("%s: TODO\n", __func__); 58 } 59 60 static inline void * 61 rhashtable_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 69 static inline void * 70 rhashtable_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 78 static inline int 79 rhashtable_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