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_dcm.h
19 *
20 * implementation for creating sysfs file dcm
21 */
22
23 #ifndef _WLAN_HDD_SYSFS_DCM_H
24 #define _WLAN_HDD_SYSFS_DCM_H
25
26 #if defined(WLAN_SYSFS) && defined(WLAN_SYSFS_DCM)
27 /**
28 * hdd_sysfs_dcm_create() - API to create dcm
29 * @adapter: pointer to adapter
30 *
31 * this file is created per adapter.
32 * file path: /sys/class/net/wlanxx/dcm
33 * where wlanxx is adapter name
34 *
35 * usage:
36 * echo [0/1] > dcm
37 * cat dcm
38 *
39 * Return: 0 on success and errno on failure
40 */
41 int hdd_sysfs_dcm_create(struct hdd_adapter *adapter);
42
43 /**
44 * hdd_sysfs_dcm_destroy() -
45 * API to destroy dcm
46 * @adapter: pointer to adapter
47 *
48 * Return: none
49 */
50 void hdd_sysfs_dcm_destroy(struct hdd_adapter *adapter);
51 #else
52 static inline int
hdd_sysfs_dcm_create(struct hdd_adapter * adapter)53 hdd_sysfs_dcm_create(struct hdd_adapter *adapter)
54 {
55 return 0;
56 }
57
58 static inline void
hdd_sysfs_dcm_destroy(struct hdd_adapter * adapter)59 hdd_sysfs_dcm_destroy(struct hdd_adapter *adapter)
60 {
61 }
62 #endif
63 #endif /* #ifndef _WLAN_HDD_SYSFS_DCM_H */
64