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