1 /*
2  * Copyright (c) 2015 Quantenna Communications
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef QTNFMAC_UTIL_H
18 #define QTNFMAC_UTIL_H
19 
20 #include <linux/kernel.h>
21 #include "core.h"
22 
23 void qtnf_sta_list_init(struct qtnf_sta_list *list);
24 
25 struct qtnf_sta_node *qtnf_sta_list_lookup(struct qtnf_sta_list *list,
26 					   const u8 *mac);
27 struct qtnf_sta_node *qtnf_sta_list_lookup_index(struct qtnf_sta_list *list,
28 						 size_t index);
29 struct qtnf_sta_node *qtnf_sta_list_add(struct qtnf_sta_list *list,
30 					const u8 *mac);
31 bool qtnf_sta_list_del(struct qtnf_sta_list *list, const u8 *mac);
32 
33 void qtnf_sta_list_free(struct qtnf_sta_list *list);
34 
35 static inline size_t qtnf_sta_list_size(const struct qtnf_sta_list *list)
36 {
37 	return atomic_read(&list->size);
38 }
39 
40 static inline bool qtnf_sta_list_empty(const struct qtnf_sta_list *list)
41 {
42 	return list_empty(&list->head);
43 }
44 
45 #endif /* QTNFMAC_UTIL_H */
46