20bc724ca1
Add qdf wrapper API for hash_for_each_safe which iterates over a hashtable safe against removal of hash entry Change-Id: I89d8b6520a4bee583d44a771b4359ed287d0c2fa CRs-Fixed: 2528484
54 lines
2.0 KiB
C
54 lines
2.0 KiB
C
/*
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* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __I_QDF_HASHTABLE_H
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#define __I_QDF_HASHTABLE_H
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#include "linux/hashtable.h"
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#define __qdf_ht hlist_head
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#define __qdf_ht_entry hlist_node
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#define __qdf_ht_declare(name, bits) DECLARE_HASHTABLE(name, bits)
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#define __qdf_ht_init(table) hash_init(table)
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#define __qdf_ht_deinit(table) do { } while (false)
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#define __qdf_ht_empty(table) hash_empty(table)
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#define __qdf_ht_add(table, entry, key) hash_add(table, entry, key)
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#define __qdf_ht_remove(entry) hash_del(entry)
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#define __qdf_ht_for_each(table, i, cursor, entry_field) \
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hash_for_each(table, i, cursor, entry_field)
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#define __qdf_ht_for_each_in_bucket(table, cursor, entry_field, key) \
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hash_for_each_possible(table, cursor, entry_field, key)
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#define __qdf_ht_for_each_match(table, cursor, entry_field, key, key_field) \
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hash_for_each_possible(table, (cursor), entry_field, (key)) \
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if ((cursor)->key_field == (key))
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#define __qdf_ht_get(table, cursor, entry_field, key, key_field) \
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do { \
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cursor = NULL; \
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__qdf_ht_for_each_match(table, cursor, entry_field, key, key_field) \
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break; \
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} while (false)
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#define __qdf_ht_for_each_safe(table, i, tmp, cursor, entry_field) \
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hash_for_each_safe(table, i, tmp, cursor, entry_field)
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#endif /* __I_QDF_HASHTABLE_H */
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