/******************************************************************************
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*
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* Copyright(c) 2007 - 2017 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#ifndef __RTW_RHASHTABLE_H__
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#define __RTW_RHASHTABLE_H__
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#if defined(CONFIG_RTW_WDS) || defined(CONFIG_RTW_MESH) /* for now, only promised for kernel versions we support mesh */
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/* directly reference rhashtable in kernel */
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
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#include <linux/rhashtable.h>
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#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0)) */
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/* Use rhashtable from kernel 4.4 */
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0))
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0))
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#define NULLS_MARKER(value) (1UL | (((long)value) << 1))
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0))
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static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
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{
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if (size != 0 && n > ULONG_MAX / size)
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return NULL;
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return __kmalloc(n * size, flags);
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}
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#endif
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#include "rhashtable.h"
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#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0)) */
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typedef struct rhashtable rtw_rhashtable;
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typedef struct rhash_head rtw_rhash_head;
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typedef struct rhashtable_params rtw_rhashtable_params;
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#define rtw_rhashtable_init(ht, params) rhashtable_init(ht, params)
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typedef struct rhashtable_iter rtw_rhashtable_iter;
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int rtw_rhashtable_walk_enter(rtw_rhashtable *ht, rtw_rhashtable_iter *iter);
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#define rtw_rhashtable_walk_exit(iter) rhashtable_walk_exit(iter)
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 16, 0))
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#define rtw_rhashtable_walk_start(iter) rhashtable_walk_start_check(iter)
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#else
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#define rtw_rhashtable_walk_start(iter) rhashtable_walk_start(iter)
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#endif
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#define rtw_rhashtable_walk_next(iter) rhashtable_walk_next(iter)
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#define rtw_rhashtable_walk_stop(iter) rhashtable_walk_stop(iter)
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#define rtw_rhashtable_free_and_destroy(ht, free_fn, arg) rhashtable_free_and_destroy((ht), (free_fn), (arg))
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#define rtw_rhashtable_lookup_fast(ht, key, params) rhashtable_lookup_fast((ht), (key), (params))
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#define rtw_rhashtable_lookup_insert_fast(ht, obj, params) rhashtable_lookup_insert_fast((ht), (obj), (params))
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#define rtw_rhashtable_remove_fast(ht, obj, params) rhashtable_remove_fast((ht), (obj), (params))
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#endif /* defined(CONFIG_RTW_WDS) || defined(CONFIG_RTW_MESH) */
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#endif /* __RTW_RHASHTABLE_H__ */
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