1 /*
2 * Copyright (c) 2020, The Linux Foundation. All rights reserved.
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
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 /**
18 * DOC: wlan_hdd_sysfs_crash_inject.h
19 *
20 * implementation for creating sysfs file crash_inject
21 */
22
23 #ifndef _WLAN_HDD_SYSFS_CRASH_INJECT_H
24 #define _WLAN_HDD_SYSFS_CRASH_INJECT_H
25
26 #if defined(WLAN_SYSFS) && defined(CONFIG_WLAN_DEBUG_CRASH_INJECT)
27 /**
28 * hdd_sysfs_crash_inject_create() - API to create crash_inject
29 * @adapter: hdd adapter
30 *
31 * this file is created per adapter.
32 * file path: /sys/class/net/wlan_xx/crash_inject
33 * (wlan_xx is adapter name)
34 * usage:
35 * echo [arg_0] [arg_1] > crash_inject
36 *
37 * Return: 0 on success and errno on failure
38 */
39 int hdd_sysfs_crash_inject_create(struct hdd_adapter *adapter);
40
41 /**
42 * hdd_sysfs_crash_inject_destroy() -
43 * API to destroy crash_inject sys file
44 * @adapter: pointer to adapter
45 *
46 * Return: none
47 */
48 void hdd_sysfs_crash_inject_destroy(struct hdd_adapter *adapter);
49 #else
50 static inline int
hdd_sysfs_crash_inject_create(struct hdd_adapter * adapter)51 hdd_sysfs_crash_inject_create(struct hdd_adapter *adapter)
52 {
53 return 0;
54 }
55
56 static inline void
hdd_sysfs_crash_inject_destroy(struct hdd_adapter * adapter)57 hdd_sysfs_crash_inject_destroy(struct hdd_adapter *adapter)
58 {
59 }
60 #endif
61 #endif /* #ifndef _WLAN_HDD_SYSFS_CRASH_INJECT_H */
62