Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 2 | * Copyright (c) 2013-2017 The Linux Foundation. All rights reserved. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * DOC: wlan_hdd_debugfs.c |
| 30 | * |
| 31 | * This driver currently supports the following debugfs files: |
| 32 | * wlan_wcnss/wow_enable to enable/disable WoWL. |
| 33 | * wlan_wcnss/wow_pattern to configure WoWL patterns. |
| 34 | * wlan_wcnss/pattern_gen to configure periodic TX patterns. |
| 35 | */ |
| 36 | |
| 37 | #ifdef WLAN_OPEN_SOURCE |
| 38 | #include <wlan_hdd_includes.h> |
Jeff Johnson | 510779e | 2016-10-05 15:51:12 -0700 | [diff] [blame] | 39 | #include <wlan_hdd_debugfs.h> |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 40 | #include <wlan_hdd_request_manager.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 41 | #include <wlan_hdd_wowl.h> |
| 42 | #include <cds_sched.h> |
Krishna Kumaar Natarajan | c7e2bb7 | 2017-03-10 10:38:46 -0800 | [diff] [blame] | 43 | #include <wlan_hdd_debugfs_llstat.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 44 | |
| 45 | #define MAX_USER_COMMAND_SIZE_WOWL_ENABLE 8 |
| 46 | #define MAX_USER_COMMAND_SIZE_WOWL_PATTERN 512 |
| 47 | #define MAX_USER_COMMAND_SIZE_FRAME 4096 |
| 48 | |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 49 | #ifdef WLAN_POWER_DEBUGFS |
| 50 | #define POWER_DEBUGFS_BUFFER_MAX_LEN 4096 |
| 51 | #endif |
| 52 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 53 | /** |
| 54 | * __wcnss_wowenable_write() - wow_enable debugfs handler |
| 55 | * @file: debugfs file handle |
| 56 | * @buf: text being written to the debugfs |
| 57 | * @count: size of @buf |
| 58 | * @ppos: (unused) offset into the virtual file system |
| 59 | * |
| 60 | * Return: number of bytes processed |
| 61 | */ |
| 62 | static ssize_t __wcnss_wowenable_write(struct file *file, |
| 63 | const char __user *buf, size_t count, |
| 64 | loff_t *ppos) |
| 65 | { |
| 66 | hdd_adapter_t *pAdapter; |
Jeff Johnson | 2a9711b | 2017-08-28 12:05:00 -0700 | [diff] [blame] | 67 | struct hdd_context *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 68 | char cmd[MAX_USER_COMMAND_SIZE_WOWL_ENABLE + 1]; |
| 69 | char *sptr, *token; |
| 70 | uint8_t wow_enable = 0; |
| 71 | uint8_t wow_mp = 0; |
| 72 | uint8_t wow_pbm = 0; |
| 73 | int ret; |
| 74 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 75 | ENTER(); |
| 76 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 77 | pAdapter = (hdd_adapter_t *)file->private_data; |
| 78 | if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) { |
Srinivas Girigowda | 73bfe25 | 2017-03-06 16:14:41 -0800 | [diff] [blame] | 79 | hdd_err("Invalid adapter or adapter has invalid magic"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 80 | return -EINVAL; |
| 81 | } |
| 82 | |
| 83 | hdd_ctx = WLAN_HDD_GET_CTX(pAdapter); |
| 84 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 85 | if (0 != ret) |
| 86 | return ret; |
| 87 | |
Arun Khandavalli | ca892f6 | 2017-05-26 14:25:50 +0530 | [diff] [blame] | 88 | if (!wlan_hdd_validate_modules_state(hdd_ctx)) |
| 89 | return -EINVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 90 | |
| 91 | if (!sme_is_feature_supported_by_fw(WOW)) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 92 | hdd_err("Wake-on-Wireless feature is not supported in firmware!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 93 | return -EINVAL; |
| 94 | } |
| 95 | |
| 96 | if (count > MAX_USER_COMMAND_SIZE_WOWL_ENABLE) { |
Srinivas Girigowda | 73bfe25 | 2017-03-06 16:14:41 -0800 | [diff] [blame] | 97 | hdd_err("Command length is larger than %d bytes", |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 98 | MAX_USER_COMMAND_SIZE_WOWL_ENABLE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 99 | return -EINVAL; |
| 100 | } |
| 101 | |
| 102 | /* Get command from user */ |
| 103 | if (copy_from_user(cmd, buf, count)) |
| 104 | return -EFAULT; |
| 105 | cmd[count] = '\0'; |
| 106 | sptr = cmd; |
| 107 | |
| 108 | /* Get enable or disable wow */ |
| 109 | token = strsep(&sptr, " "); |
| 110 | if (!token) |
| 111 | return -EINVAL; |
| 112 | if (kstrtou8(token, 0, &wow_enable)) |
| 113 | return -EINVAL; |
| 114 | |
| 115 | /* Disable wow */ |
| 116 | if (!wow_enable) { |
| 117 | if (!hdd_exit_wowl(pAdapter)) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 118 | hdd_err("hdd_exit_wowl failed!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 119 | return -EFAULT; |
| 120 | } |
| 121 | |
| 122 | return count; |
| 123 | } |
| 124 | |
| 125 | /* Get enable or disable magic packet mode */ |
| 126 | token = strsep(&sptr, " "); |
| 127 | if (!token) |
| 128 | return -EINVAL; |
| 129 | if (kstrtou8(token, 0, &wow_mp)) |
| 130 | return -EINVAL; |
| 131 | if (wow_mp > 1) |
| 132 | wow_mp = 1; |
| 133 | |
| 134 | /* Get enable or disable pattern byte matching mode */ |
| 135 | token = strsep(&sptr, " "); |
| 136 | if (!token) |
| 137 | return -EINVAL; |
| 138 | if (kstrtou8(token, 0, &wow_pbm)) |
| 139 | return -EINVAL; |
| 140 | if (wow_pbm > 1) |
| 141 | wow_pbm = 1; |
| 142 | |
| 143 | if (!hdd_enter_wowl(pAdapter, wow_mp, wow_pbm)) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 144 | hdd_err("hdd_enter_wowl failed!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 145 | return -EFAULT; |
| 146 | } |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 147 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 148 | return count; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * wcnss_wowenable_write() - SSR wrapper for wcnss_wowenable_write |
| 153 | * @file: file pointer |
| 154 | * @buf: buffer |
| 155 | * @count: count |
| 156 | * @ppos: position pointer |
| 157 | * |
| 158 | * Return: 0 on success, error number otherwise |
| 159 | */ |
| 160 | static ssize_t wcnss_wowenable_write(struct file *file, |
| 161 | const char __user *buf, |
| 162 | size_t count, loff_t *ppos) |
| 163 | { |
| 164 | ssize_t ret; |
| 165 | |
| 166 | cds_ssr_protect(__func__); |
| 167 | ret = __wcnss_wowenable_write(file, buf, count, ppos); |
| 168 | cds_ssr_unprotect(__func__); |
| 169 | |
| 170 | return ret; |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * __wcnss_wowpattern_write() - wow_pattern debugfs handler |
| 175 | * @file: debugfs file handle |
| 176 | * @buf: text being written to the debugfs |
| 177 | * @count: size of @buf |
| 178 | * @ppos: (unused) offset into the virtual file system |
| 179 | * |
| 180 | * Return: number of bytes processed |
| 181 | */ |
| 182 | static ssize_t __wcnss_wowpattern_write(struct file *file, |
| 183 | const char __user *buf, size_t count, |
| 184 | loff_t *ppos) |
| 185 | { |
| 186 | hdd_adapter_t *pAdapter = (hdd_adapter_t *) file->private_data; |
Jeff Johnson | 2a9711b | 2017-08-28 12:05:00 -0700 | [diff] [blame] | 187 | struct hdd_context *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 188 | char cmd[MAX_USER_COMMAND_SIZE_WOWL_PATTERN + 1]; |
| 189 | char *sptr, *token; |
| 190 | uint8_t pattern_idx = 0; |
| 191 | uint8_t pattern_offset = 0; |
| 192 | char *pattern_buf; |
| 193 | char *pattern_mask; |
| 194 | int ret; |
| 195 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 196 | ENTER(); |
| 197 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 198 | if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) { |
Srinivas Girigowda | 73bfe25 | 2017-03-06 16:14:41 -0800 | [diff] [blame] | 199 | hdd_err("Invalid adapter or adapter has invalid magic"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 200 | return -EINVAL; |
| 201 | } |
| 202 | |
| 203 | hdd_ctx = WLAN_HDD_GET_CTX(pAdapter); |
| 204 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 205 | if (0 != ret) |
| 206 | return ret; |
| 207 | |
Arun Khandavalli | ca892f6 | 2017-05-26 14:25:50 +0530 | [diff] [blame] | 208 | if (!wlan_hdd_validate_modules_state(hdd_ctx)) |
| 209 | return -EINVAL; |
| 210 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 211 | if (!sme_is_feature_supported_by_fw(WOW)) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 212 | hdd_err("Wake-on-Wireless feature is not supported in firmware!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 213 | return -EINVAL; |
| 214 | } |
| 215 | |
| 216 | if (count > MAX_USER_COMMAND_SIZE_WOWL_PATTERN) { |
Srinivas Girigowda | 73bfe25 | 2017-03-06 16:14:41 -0800 | [diff] [blame] | 217 | hdd_err("Command length is larger than %d bytes", |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 218 | MAX_USER_COMMAND_SIZE_WOWL_PATTERN); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 219 | return -EINVAL; |
| 220 | } |
| 221 | |
| 222 | /* Get command from user */ |
| 223 | if (copy_from_user(cmd, buf, count)) |
| 224 | return -EFAULT; |
| 225 | cmd[count] = '\0'; |
| 226 | sptr = cmd; |
| 227 | |
| 228 | /* Get pattern idx */ |
| 229 | token = strsep(&sptr, " "); |
| 230 | if (!token) |
| 231 | return -EINVAL; |
| 232 | |
| 233 | if (kstrtou8(token, 0, &pattern_idx)) |
| 234 | return -EINVAL; |
| 235 | |
| 236 | /* Get pattern offset */ |
| 237 | token = strsep(&sptr, " "); |
| 238 | |
| 239 | /* Delete pattern if no further argument */ |
| 240 | if (!token) { |
| 241 | hdd_del_wowl_ptrn_debugfs(pAdapter, pattern_idx); |
| 242 | |
| 243 | return count; |
| 244 | } |
| 245 | |
| 246 | if (kstrtou8(token, 0, &pattern_offset)) |
| 247 | return -EINVAL; |
| 248 | |
| 249 | /* Get pattern */ |
| 250 | token = strsep(&sptr, " "); |
| 251 | if (!token) |
| 252 | return -EINVAL; |
| 253 | |
| 254 | pattern_buf = token; |
| 255 | |
| 256 | /* Get pattern mask */ |
| 257 | token = strsep(&sptr, " "); |
| 258 | if (!token) |
| 259 | return -EINVAL; |
| 260 | |
| 261 | pattern_mask = token; |
| 262 | pattern_mask[strlen(pattern_mask) - 1] = '\0'; |
| 263 | |
| 264 | hdd_add_wowl_ptrn_debugfs(pAdapter, pattern_idx, pattern_offset, |
| 265 | pattern_buf, pattern_mask); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 266 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 267 | return count; |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * wcnss_wowpattern_write() - SSR wrapper for __wcnss_wowpattern_write |
| 272 | * @file: file pointer |
| 273 | * @buf: buffer |
| 274 | * @count: count |
| 275 | * @ppos: position pointer |
| 276 | * |
| 277 | * Return: 0 on success, error number otherwise |
| 278 | */ |
| 279 | static ssize_t wcnss_wowpattern_write(struct file *file, |
| 280 | const char __user *buf, |
| 281 | size_t count, loff_t *ppos) |
| 282 | { |
| 283 | ssize_t ret; |
| 284 | |
| 285 | cds_ssr_protect(__func__); |
| 286 | ret = __wcnss_wowpattern_write(file, buf, count, ppos); |
| 287 | cds_ssr_unprotect(__func__); |
| 288 | |
| 289 | return ret; |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * wcnss_patterngen_write() - pattern_gen debugfs handler |
| 294 | * @file: debugfs file handle |
| 295 | * @buf: text being written to the debugfs |
| 296 | * @count: size of @buf |
| 297 | * @ppos: (unused) offset into the virtual file system |
| 298 | * |
| 299 | * Return: number of bytes processed |
| 300 | */ |
| 301 | static ssize_t __wcnss_patterngen_write(struct file *file, |
| 302 | const char __user *buf, size_t count, |
| 303 | loff_t *ppos) |
| 304 | { |
| 305 | hdd_adapter_t *pAdapter; |
Jeff Johnson | 2a9711b | 2017-08-28 12:05:00 -0700 | [diff] [blame] | 306 | struct hdd_context *pHddCtx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 307 | tSirAddPeriodicTxPtrn *addPeriodicTxPtrnParams; |
| 308 | tSirDelPeriodicTxPtrn *delPeriodicTxPtrnParams; |
| 309 | |
| 310 | char *cmd, *sptr, *token; |
| 311 | uint8_t pattern_idx = 0; |
| 312 | uint8_t pattern_duration = 0; |
| 313 | char *pattern_buf; |
| 314 | uint16_t pattern_len = 0; |
| 315 | uint16_t i = 0; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 316 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 317 | int ret; |
| 318 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 319 | ENTER(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 320 | |
| 321 | pAdapter = (hdd_adapter_t *)file->private_data; |
| 322 | if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) { |
Srinivas Girigowda | 73bfe25 | 2017-03-06 16:14:41 -0800 | [diff] [blame] | 323 | hdd_err("Invalid adapter or adapter has invalid magic"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 324 | return -EINVAL; |
| 325 | } |
| 326 | |
| 327 | pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 328 | ret = wlan_hdd_validate_context(pHddCtx); |
| 329 | if (0 != ret) |
| 330 | return ret; |
| 331 | |
Arun Khandavalli | ca892f6 | 2017-05-26 14:25:50 +0530 | [diff] [blame] | 332 | if (!wlan_hdd_validate_modules_state(pHddCtx)) |
| 333 | return -EINVAL; |
| 334 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 335 | if (!sme_is_feature_supported_by_fw(WLAN_PERIODIC_TX_PTRN)) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 336 | hdd_err("Periodic Tx Pattern Offload feature is not supported in firmware!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 337 | return -EINVAL; |
| 338 | } |
| 339 | |
| 340 | /* Get command from user */ |
| 341 | if (count <= MAX_USER_COMMAND_SIZE_FRAME) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 342 | cmd = qdf_mem_malloc(count + 1); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 343 | else { |
Srinivas Girigowda | 73bfe25 | 2017-03-06 16:14:41 -0800 | [diff] [blame] | 344 | hdd_err("Command length is larger than %d bytes", |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 345 | MAX_USER_COMMAND_SIZE_FRAME); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 346 | |
| 347 | return -EINVAL; |
| 348 | } |
| 349 | |
| 350 | if (!cmd) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 351 | hdd_err("Memory allocation for cmd failed!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 352 | return -ENOMEM; |
| 353 | } |
| 354 | |
| 355 | if (copy_from_user(cmd, buf, count)) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 356 | qdf_mem_free(cmd); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 357 | return -EFAULT; |
| 358 | } |
| 359 | cmd[count] = '\0'; |
| 360 | sptr = cmd; |
| 361 | |
| 362 | /* Get pattern idx */ |
| 363 | token = strsep(&sptr, " "); |
| 364 | if (!token) |
| 365 | goto failure; |
| 366 | if (kstrtou8(token, 0, &pattern_idx)) |
| 367 | goto failure; |
| 368 | |
| 369 | if (pattern_idx > (MAXNUM_PERIODIC_TX_PTRNS - 1)) { |
Srinivas Girigowda | 73bfe25 | 2017-03-06 16:14:41 -0800 | [diff] [blame] | 370 | hdd_err("Pattern index: %d is not in the range (0 ~ %d)", |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 371 | pattern_idx, MAXNUM_PERIODIC_TX_PTRNS - 1); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 372 | |
| 373 | goto failure; |
| 374 | } |
| 375 | |
| 376 | /* Get pattern duration */ |
| 377 | token = strsep(&sptr, " "); |
| 378 | if (!token) |
| 379 | goto failure; |
| 380 | if (kstrtou8(token, 0, &pattern_duration)) |
| 381 | goto failure; |
| 382 | |
| 383 | /* Delete pattern using index if duration is 0 */ |
| 384 | if (!pattern_duration) { |
| 385 | delPeriodicTxPtrnParams = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 386 | qdf_mem_malloc(sizeof(tSirDelPeriodicTxPtrn)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 387 | if (!delPeriodicTxPtrnParams) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 388 | hdd_err("Memory allocation failed!"); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 389 | qdf_mem_free(cmd); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 390 | return -ENOMEM; |
| 391 | } |
| 392 | delPeriodicTxPtrnParams->ucPtrnId = pattern_idx; |
| 393 | delPeriodicTxPtrnParams->ucPatternIdBitmap = 1 << pattern_idx; |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 394 | qdf_copy_macaddr(&delPeriodicTxPtrnParams->mac_address, |
Srinivas Girigowda | a5bba7a | 2015-11-18 22:44:36 -0800 | [diff] [blame] | 395 | &pAdapter->macAddressCurrent); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 396 | |
| 397 | /* Delete pattern */ |
| 398 | status = sme_del_periodic_tx_ptrn(pHddCtx->hHal, |
| 399 | delPeriodicTxPtrnParams); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 400 | if (QDF_STATUS_SUCCESS != status) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 401 | hdd_err("sme_del_periodic_tx_ptrn() failed!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 402 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 403 | qdf_mem_free(delPeriodicTxPtrnParams); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 404 | goto failure; |
| 405 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 406 | qdf_mem_free(cmd); |
| 407 | qdf_mem_free(delPeriodicTxPtrnParams); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 408 | return count; |
| 409 | } |
| 410 | |
| 411 | /* |
| 412 | * In SAP mode allow configuration without any connection check |
| 413 | * In STA mode check if it's in connected state before adding |
| 414 | * patterns |
| 415 | */ |
Srinivas Girigowda | 73bfe25 | 2017-03-06 16:14:41 -0800 | [diff] [blame] | 416 | hdd_debug("device mode %d", pAdapter->device_mode); |
Krunal Soni | be766b0 | 2016-03-10 13:00:44 -0800 | [diff] [blame] | 417 | if ((QDF_STA_MODE == pAdapter->device_mode) && |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 418 | (!hdd_conn_is_connected(WLAN_HDD_GET_STATION_CTX_PTR(pAdapter)))) { |
Arunk Khandavalli | 0ecf8c8 | 2017-06-29 15:48:53 +0530 | [diff] [blame] | 419 | hdd_err("Not in Connected state!"); |
| 420 | goto failure; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 421 | } |
| 422 | |
| 423 | /* Get pattern */ |
| 424 | token = strsep(&sptr, " "); |
| 425 | if (!token) |
| 426 | goto failure; |
| 427 | |
| 428 | pattern_buf = token; |
| 429 | pattern_buf[strlen(pattern_buf) - 1] = '\0'; |
| 430 | pattern_len = strlen(pattern_buf); |
| 431 | |
| 432 | /* Since the pattern is a hex string, 2 characters represent 1 byte. */ |
| 433 | if (pattern_len % 2) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 434 | hdd_err("Malformed pattern!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 435 | |
| 436 | goto failure; |
| 437 | } else |
| 438 | pattern_len >>= 1; |
| 439 | |
| 440 | if (pattern_len < 14 || pattern_len > PERIODIC_TX_PTRN_MAX_SIZE) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 441 | hdd_err("Not an 802.3 frame!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 442 | |
| 443 | goto failure; |
| 444 | } |
| 445 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 446 | addPeriodicTxPtrnParams = qdf_mem_malloc(sizeof(tSirAddPeriodicTxPtrn)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 447 | if (!addPeriodicTxPtrnParams) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 448 | hdd_err("Memory allocation failed!"); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 449 | qdf_mem_free(cmd); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 450 | return -ENOMEM; |
| 451 | } |
| 452 | |
| 453 | addPeriodicTxPtrnParams->ucPtrnId = pattern_idx; |
| 454 | addPeriodicTxPtrnParams->usPtrnIntervalMs = pattern_duration * 500; |
| 455 | addPeriodicTxPtrnParams->ucPtrnSize = pattern_len; |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 456 | qdf_copy_macaddr(&addPeriodicTxPtrnParams->mac_address, |
Srinivas Girigowda | 3189655 | 2015-11-18 22:59:52 -0800 | [diff] [blame] | 457 | &pAdapter->macAddressCurrent); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 458 | |
| 459 | /* Extract the pattern */ |
| 460 | for (i = 0; i < addPeriodicTxPtrnParams->ucPtrnSize; i++) { |
| 461 | addPeriodicTxPtrnParams->ucPattern[i] = |
| 462 | (hex_to_bin(pattern_buf[0]) << 4) + |
| 463 | hex_to_bin(pattern_buf[1]); |
| 464 | |
| 465 | /* Skip to next byte */ |
| 466 | pattern_buf += 2; |
| 467 | } |
| 468 | |
| 469 | /* Add pattern */ |
| 470 | status = sme_add_periodic_tx_ptrn(pHddCtx->hHal, |
| 471 | addPeriodicTxPtrnParams); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 472 | if (QDF_STATUS_SUCCESS != status) { |
Jeff Johnson | 85c0abf | 2016-08-05 12:28:24 -0700 | [diff] [blame] | 473 | hdd_err("sme_add_periodic_tx_ptrn() failed!"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 474 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 475 | qdf_mem_free(addPeriodicTxPtrnParams); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 476 | goto failure; |
| 477 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 478 | qdf_mem_free(cmd); |
| 479 | qdf_mem_free(addPeriodicTxPtrnParams); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 480 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 481 | return count; |
| 482 | |
| 483 | failure: |
Rajeev Kumar | b08f39c | 2016-02-04 17:50:54 -0800 | [diff] [blame] | 484 | hdd_err("Invalid input. Input format is: ptrn_idx duration pattern"); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 485 | qdf_mem_free(cmd); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 486 | return -EINVAL; |
| 487 | } |
| 488 | |
| 489 | /** |
| 490 | * wcnss_patterngen_write() - SSR wrapper for __wcnss_patterngen_write |
| 491 | * @file: file pointer |
| 492 | * @buf: buffer |
| 493 | * @count: count |
| 494 | * @ppos: position pointer |
| 495 | * |
| 496 | * Return: 0 on success, error number otherwise |
| 497 | */ |
| 498 | static ssize_t wcnss_patterngen_write(struct file *file, |
| 499 | const char __user *buf, |
| 500 | size_t count, loff_t *ppos) |
| 501 | { |
| 502 | ssize_t ret; |
| 503 | |
| 504 | cds_ssr_protect(__func__); |
| 505 | ret = __wcnss_patterngen_write(file, buf, count, ppos); |
| 506 | cds_ssr_unprotect(__func__); |
| 507 | |
| 508 | return ret; |
| 509 | } |
| 510 | |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 511 | #ifdef WLAN_POWER_DEBUGFS |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 512 | struct power_stats_priv { |
| 513 | struct power_stats_response power_stats; |
| 514 | }; |
| 515 | |
| 516 | static void hdd_power_debugstats_dealloc(void *priv) |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 517 | { |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 518 | struct power_stats_priv *stats = priv; |
| 519 | qdf_mem_free(stats->power_stats.debug_registers); |
| 520 | } |
| 521 | |
| 522 | static void hdd_power_debugstats_cb(struct power_stats_response *response, |
| 523 | void *context) |
| 524 | { |
| 525 | struct hdd_request *request; |
| 526 | struct power_stats_priv *priv; |
| 527 | uint32_t *debug_registers; |
| 528 | uint32_t debug_registers_len; |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 529 | |
| 530 | ENTER(); |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 531 | |
| 532 | request = hdd_request_get(context); |
| 533 | if (!request) { |
| 534 | hdd_err("Obsolete request"); |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 535 | return; |
| 536 | } |
| 537 | |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 538 | priv = hdd_request_priv(request); |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 539 | |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 540 | /* copy fixed-sized data */ |
| 541 | priv->power_stats = *response; |
| 542 | |
| 543 | /* copy variable-size data */ |
| 544 | if (response->num_debug_register) { |
| 545 | debug_registers_len = (sizeof(response->debug_registers[0]) * |
| 546 | response->num_debug_register); |
| 547 | debug_registers = qdf_mem_malloc(debug_registers_len); |
| 548 | priv->power_stats.debug_registers = debug_registers; |
| 549 | if (debug_registers) { |
| 550 | qdf_mem_copy(debug_registers, |
| 551 | response->debug_registers, |
| 552 | debug_registers_len); |
| 553 | } else { |
| 554 | hdd_err("Power stats memory alloc fails!"); |
| 555 | priv->power_stats.num_debug_register = 0; |
| 556 | } |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 557 | } |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 558 | hdd_request_complete(request); |
| 559 | hdd_request_put(request); |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 560 | EXIT(); |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * __wlan_hdd_read_power_debugfs() - API to collect Chip power stats from FW |
| 565 | * @file: file pointer |
| 566 | * @buf: buffer |
| 567 | * @count: count |
| 568 | * @pos: position pointer |
| 569 | * |
| 570 | * Return: Number of bytes read on success, error number otherwise |
| 571 | */ |
| 572 | static ssize_t __wlan_hdd_read_power_debugfs(struct file *file, |
| 573 | char __user *buf, |
| 574 | size_t count, loff_t *pos) |
| 575 | { |
| 576 | hdd_adapter_t *adapter; |
Jeff Johnson | 2a9711b | 2017-08-28 12:05:00 -0700 | [diff] [blame] | 577 | struct hdd_context *hdd_ctx; |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 578 | QDF_STATUS status; |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 579 | struct power_stats_response *chip_power_stats; |
| 580 | ssize_t ret_cnt = 0; |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 581 | int j; |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 582 | unsigned int len = 0; |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 583 | char *power_debugfs_buf = NULL; |
| 584 | void *cookie; |
| 585 | struct hdd_request *request; |
| 586 | struct power_stats_priv *priv; |
| 587 | static const struct hdd_request_params params = { |
| 588 | .priv_size = sizeof(*priv), |
| 589 | .timeout_ms = WLAN_WAIT_TIME_STATS, |
| 590 | .dealloc = hdd_power_debugstats_dealloc, |
| 591 | }; |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 592 | |
| 593 | ENTER(); |
| 594 | adapter = (hdd_adapter_t *)file->private_data; |
| 595 | if ((!adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) { |
| 596 | hdd_err("Invalid adapter or adapter has invalid magic"); |
| 597 | return -EINVAL; |
| 598 | } |
| 599 | |
| 600 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 601 | ret_cnt = wlan_hdd_validate_context(hdd_ctx); |
| 602 | if (0 != ret_cnt) |
| 603 | return ret_cnt; |
| 604 | |
Arun Khandavalli | ca892f6 | 2017-05-26 14:25:50 +0530 | [diff] [blame] | 605 | if (!wlan_hdd_validate_modules_state(hdd_ctx)) |
| 606 | return -EINVAL; |
| 607 | |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 608 | request = hdd_request_alloc(¶ms); |
| 609 | if (!request) { |
| 610 | hdd_err("Request allocation failure"); |
| 611 | return -ENOMEM; |
| 612 | } |
| 613 | cookie = hdd_request_cookie(request); |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 614 | |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 615 | status = sme_power_debug_stats_req(hdd_ctx->hHal, |
| 616 | hdd_power_debugstats_cb, |
| 617 | cookie); |
| 618 | if (QDF_IS_STATUS_ERROR(status)) { |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 619 | hdd_err("chip power stats request failed"); |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 620 | ret_cnt = -EINVAL; |
| 621 | goto cleanup; |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 622 | } |
| 623 | |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 624 | ret_cnt = hdd_request_wait_for_response(request); |
| 625 | if (ret_cnt) { |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 626 | hdd_err("Target response timed out Power stats"); |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 627 | ret_cnt = -ETIMEDOUT; |
| 628 | goto cleanup; |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 629 | } |
| 630 | |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 631 | priv = hdd_request_priv(request); |
| 632 | chip_power_stats = &priv->power_stats; |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 633 | |
| 634 | power_debugfs_buf = qdf_mem_malloc(POWER_DEBUGFS_BUFFER_MAX_LEN); |
| 635 | if (!power_debugfs_buf) { |
| 636 | hdd_err("Power stats buffer alloc fails!"); |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 637 | ret_cnt = -EINVAL; |
| 638 | goto cleanup; |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 639 | } |
| 640 | |
| 641 | len += scnprintf(power_debugfs_buf, POWER_DEBUGFS_BUFFER_MAX_LEN, |
| 642 | "POWER DEBUG STATS\n=================\n" |
| 643 | "cumulative_sleep_time_ms: %d\n" |
| 644 | "cumulative_total_on_time_ms: %d\n" |
| 645 | "deep_sleep_enter_counter: %d\n" |
| 646 | "last_deep_sleep_enter_tstamp_ms: %d\n" |
| 647 | "debug_register_fmt: %d\n" |
| 648 | "num_debug_register: %d\n", |
| 649 | chip_power_stats->cumulative_sleep_time_ms, |
| 650 | chip_power_stats->cumulative_total_on_time_ms, |
| 651 | chip_power_stats->deep_sleep_enter_counter, |
| 652 | chip_power_stats->last_deep_sleep_enter_tstamp_ms, |
| 653 | chip_power_stats->debug_register_fmt, |
| 654 | chip_power_stats->num_debug_register); |
| 655 | |
| 656 | for (j = 0; j < chip_power_stats->num_debug_register; j++) { |
| 657 | if ((POWER_DEBUGFS_BUFFER_MAX_LEN - len) > 0) |
| 658 | len += scnprintf(power_debugfs_buf + len, |
| 659 | POWER_DEBUGFS_BUFFER_MAX_LEN - len, |
| 660 | "debug_registers[%d]: 0x%x\n", j, |
| 661 | chip_power_stats->debug_registers[j]); |
| 662 | else |
| 663 | j = chip_power_stats->num_debug_register; |
| 664 | } |
| 665 | |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 666 | ret_cnt = simple_read_from_buffer(buf, count, pos, |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 667 | power_debugfs_buf, len); |
| 668 | |
| 669 | cleanup: |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 670 | qdf_mem_free(power_debugfs_buf); |
Jeff Johnson | 5213311 | 2017-01-25 06:25:32 -0800 | [diff] [blame] | 671 | hdd_request_put(request); |
| 672 | |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 673 | return ret_cnt; |
| 674 | } |
| 675 | |
| 676 | /** |
| 677 | * wlan_hdd_read_power_debugfs() - SSR wrapper function to read power debugfs |
| 678 | * @file: file pointer |
| 679 | * @buf: buffer |
| 680 | * @count: count |
| 681 | * @pos: position pointer |
| 682 | * |
| 683 | * Return: Number of bytes read on success, error number otherwise |
| 684 | */ |
| 685 | static ssize_t wlan_hdd_read_power_debugfs(struct file *file, |
| 686 | char __user *buf, |
| 687 | size_t count, loff_t *pos) |
| 688 | { |
| 689 | int ret; |
| 690 | |
| 691 | cds_ssr_protect(__func__); |
| 692 | ret = __wlan_hdd_read_power_debugfs(file, buf, count, pos); |
| 693 | cds_ssr_unprotect(__func__); |
| 694 | |
| 695 | return ret; |
| 696 | } |
| 697 | |
| 698 | /** |
| 699 | * __wlan_hdd_open_power_debugfs() - Function to save private on open |
| 700 | * @inode: Pointer to inode structure |
| 701 | * @file: file pointer |
| 702 | * |
| 703 | * Return: zero |
| 704 | */ |
| 705 | static int __wlan_hdd_open_power_debugfs(struct inode *inode, struct file *file) |
| 706 | { |
| 707 | file->private_data = inode->i_private; |
| 708 | return 0; |
| 709 | } |
| 710 | |
| 711 | |
| 712 | /** |
| 713 | * wlan_hdd_open_power_debugfs() - SSR wrapper function to save private on open |
| 714 | * @inode: Pointer to inode structure |
| 715 | * @file: file pointer |
| 716 | * |
| 717 | * Return: zero |
| 718 | */ |
| 719 | static int wlan_hdd_open_power_debugfs(struct inode *inode, struct file *file) |
| 720 | { |
| 721 | int ret; |
| 722 | |
| 723 | cds_ssr_protect(__func__); |
| 724 | ret = __wlan_hdd_open_power_debugfs(inode, file); |
| 725 | cds_ssr_unprotect(__func__); |
| 726 | |
| 727 | return ret; |
| 728 | } |
| 729 | #endif |
| 730 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 731 | /** |
| 732 | * __wcnss_debugfs_open() - Generic debugfs open() handler |
| 733 | * @inode: inode of the debugfs file |
| 734 | * @file: file handle of the debugfs file |
| 735 | * |
| 736 | * Return: 0 |
| 737 | */ |
| 738 | static int __wcnss_debugfs_open(struct inode *inode, struct file *file) |
| 739 | { |
| 740 | hdd_adapter_t *adapter; |
Jeff Johnson | 2a9711b | 2017-08-28 12:05:00 -0700 | [diff] [blame] | 741 | struct hdd_context *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 742 | int ret; |
| 743 | |
| 744 | ENTER(); |
| 745 | |
| 746 | if (inode->i_private) |
| 747 | file->private_data = inode->i_private; |
| 748 | |
| 749 | adapter = (hdd_adapter_t *)file->private_data; |
| 750 | if ((NULL == adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) { |
Srinivas Girigowda | 73bfe25 | 2017-03-06 16:14:41 -0800 | [diff] [blame] | 751 | hdd_err("Invalid adapter or adapter has invalid magic"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 752 | return -EINVAL; |
| 753 | } |
| 754 | |
| 755 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 756 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 757 | if (0 != ret) |
| 758 | return ret; |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 759 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 760 | return 0; |
| 761 | } |
| 762 | |
| 763 | /** |
| 764 | * wcnss_debugfs_open() - SSR wrapper for __wcnss_debugfs_open |
| 765 | * @inode: inode pointer |
| 766 | * @file: file pointer |
| 767 | * |
| 768 | * Return: 0 on success, error number otherwise |
| 769 | */ |
| 770 | static int wcnss_debugfs_open(struct inode *inode, struct file *file) |
| 771 | { |
| 772 | int ret; |
| 773 | |
| 774 | cds_ssr_protect(__func__); |
| 775 | ret = __wcnss_debugfs_open(inode, file); |
| 776 | cds_ssr_unprotect(__func__); |
| 777 | |
| 778 | return ret; |
| 779 | } |
| 780 | |
| 781 | static const struct file_operations fops_wowenable = { |
| 782 | .write = wcnss_wowenable_write, |
| 783 | .open = wcnss_debugfs_open, |
| 784 | .owner = THIS_MODULE, |
| 785 | .llseek = default_llseek, |
| 786 | }; |
| 787 | |
| 788 | static const struct file_operations fops_wowpattern = { |
| 789 | .write = wcnss_wowpattern_write, |
| 790 | .open = wcnss_debugfs_open, |
| 791 | .owner = THIS_MODULE, |
| 792 | .llseek = default_llseek, |
| 793 | }; |
| 794 | |
| 795 | static const struct file_operations fops_patterngen = { |
| 796 | .write = wcnss_patterngen_write, |
| 797 | .open = wcnss_debugfs_open, |
| 798 | .owner = THIS_MODULE, |
| 799 | .llseek = default_llseek, |
| 800 | }; |
| 801 | |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 802 | #ifdef WLAN_POWER_DEBUGFS |
| 803 | static const struct file_operations fops_powerdebugs = { |
| 804 | .read = wlan_hdd_read_power_debugfs, |
| 805 | .open = wlan_hdd_open_power_debugfs, |
| 806 | .owner = THIS_MODULE, |
| 807 | .llseek = default_llseek, |
| 808 | }; |
| 809 | |
| 810 | /** |
| 811 | * wlan_hdd_create_power_stats_file() - API to create power stats file |
| 812 | * @adapter: interface adapter pointer |
| 813 | * |
| 814 | * Return: QDF_STATUS |
| 815 | */ |
| 816 | static QDF_STATUS wlan_hdd_create_power_stats_file(hdd_adapter_t *adapter) |
| 817 | { |
Arunk Khandavalli | 0ecf8c8 | 2017-06-29 15:48:53 +0530 | [diff] [blame] | 818 | if (!debugfs_create_file("power_stats", 00400 | 00040 | 00004, |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 819 | adapter->debugfs_phy, adapter, |
| 820 | &fops_powerdebugs)) |
| 821 | return QDF_STATUS_E_FAILURE; |
| 822 | |
| 823 | return QDF_STATUS_SUCCESS; |
| 824 | } |
| 825 | |
| 826 | #else |
| 827 | static QDF_STATUS wlan_hdd_create_power_stats_file(hdd_adapter_t *adapter) |
| 828 | { |
| 829 | return QDF_STATUS_SUCCESS; |
| 830 | } |
| 831 | #endif |
| 832 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 833 | /** |
| 834 | * hdd_debugfs_init() - Initialize debugfs interface |
Rajeev Kumar | dca5f81 | 2016-02-04 17:28:06 -0800 | [diff] [blame] | 835 | * @adapter: interface adapter pointer |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 836 | * |
| 837 | * Register support for the debugfs files supported by the driver. |
| 838 | * |
| 839 | * NB: The current implementation only supports debugfs operations |
| 840 | * on the primary interface, i.e. wlan0 |
| 841 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 842 | * Return: QDF_STATUS_SUCCESS if all files registered, |
| 843 | * QDF_STATUS_E_FAILURE on failure |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 844 | */ |
Rajeev Kumar | dca5f81 | 2016-02-04 17:28:06 -0800 | [diff] [blame] | 845 | QDF_STATUS hdd_debugfs_init(hdd_adapter_t *adapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 846 | { |
Rajeev Kumar | dca5f81 | 2016-02-04 17:28:06 -0800 | [diff] [blame] | 847 | struct net_device *dev = adapter->dev; |
| 848 | adapter->debugfs_phy = debugfs_create_dir(dev->name, 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 849 | |
Rajeev Kumar | dca5f81 | 2016-02-04 17:28:06 -0800 | [diff] [blame] | 850 | if (NULL == adapter->debugfs_phy) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 851 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 852 | |
Arunk Khandavalli | 0ecf8c8 | 2017-06-29 15:48:53 +0530 | [diff] [blame] | 853 | if (NULL == debugfs_create_file("wow_enable", 00400 | 00200, |
Rajeev Kumar | dca5f81 | 2016-02-04 17:28:06 -0800 | [diff] [blame] | 854 | adapter->debugfs_phy, adapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 855 | &fops_wowenable)) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 856 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 857 | |
Arunk Khandavalli | 0ecf8c8 | 2017-06-29 15:48:53 +0530 | [diff] [blame] | 858 | if (NULL == debugfs_create_file("wow_pattern", 00400 | 00200, |
Rajeev Kumar | dca5f81 | 2016-02-04 17:28:06 -0800 | [diff] [blame] | 859 | adapter->debugfs_phy, adapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 860 | &fops_wowpattern)) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 861 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 862 | |
Arunk Khandavalli | 0ecf8c8 | 2017-06-29 15:48:53 +0530 | [diff] [blame] | 863 | if (NULL == debugfs_create_file("pattern_gen", 00400 | 00200, |
Rajeev Kumar | dca5f81 | 2016-02-04 17:28:06 -0800 | [diff] [blame] | 864 | adapter->debugfs_phy, adapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 865 | &fops_patterngen)) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 866 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 867 | |
Sridhar Selvaraj | dc400d2 | 2016-10-18 17:18:03 +0530 | [diff] [blame] | 868 | if (QDF_STATUS_SUCCESS != wlan_hdd_create_power_stats_file(adapter)) |
| 869 | return QDF_STATUS_E_FAILURE; |
| 870 | |
Krishna Kumaar Natarajan | c7e2bb7 | 2017-03-10 10:38:46 -0800 | [diff] [blame] | 871 | if (0 != wlan_hdd_create_ll_stats_file(adapter)) |
| 872 | return QDF_STATUS_E_FAILURE; |
| 873 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 874 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 875 | } |
| 876 | |
| 877 | /** |
| 878 | * hdd_debugfs_exit() - Shutdown debugfs interface |
Rajeev Kumar | dca5f81 | 2016-02-04 17:28:06 -0800 | [diff] [blame] | 879 | * @adapter: interface adapter pointer |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 880 | * |
| 881 | * Unregister support for the debugfs files supported by the driver. |
| 882 | * |
| 883 | * Return: None |
| 884 | */ |
Rajeev Kumar | dca5f81 | 2016-02-04 17:28:06 -0800 | [diff] [blame] | 885 | void hdd_debugfs_exit(hdd_adapter_t *adapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 886 | { |
Arunk Khandavalli | 0ecf8c8 | 2017-06-29 15:48:53 +0530 | [diff] [blame] | 887 | debugfs_remove_recursive(adapter->debugfs_phy); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 888 | } |
| 889 | #endif /* #ifdef WLAN_OPEN_SOURCE */ |