Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2 | * Copyright (c) 2013-2016 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> |
| 39 | #include <wlan_hdd_wowl.h> |
| 40 | #include <cds_sched.h> |
| 41 | |
| 42 | #define MAX_USER_COMMAND_SIZE_WOWL_ENABLE 8 |
| 43 | #define MAX_USER_COMMAND_SIZE_WOWL_PATTERN 512 |
| 44 | #define MAX_USER_COMMAND_SIZE_FRAME 4096 |
| 45 | |
| 46 | /** |
| 47 | * __wcnss_wowenable_write() - wow_enable debugfs handler |
| 48 | * @file: debugfs file handle |
| 49 | * @buf: text being written to the debugfs |
| 50 | * @count: size of @buf |
| 51 | * @ppos: (unused) offset into the virtual file system |
| 52 | * |
| 53 | * Return: number of bytes processed |
| 54 | */ |
| 55 | static ssize_t __wcnss_wowenable_write(struct file *file, |
| 56 | const char __user *buf, size_t count, |
| 57 | loff_t *ppos) |
| 58 | { |
| 59 | hdd_adapter_t *pAdapter; |
| 60 | hdd_context_t *hdd_ctx; |
| 61 | char cmd[MAX_USER_COMMAND_SIZE_WOWL_ENABLE + 1]; |
| 62 | char *sptr, *token; |
| 63 | uint8_t wow_enable = 0; |
| 64 | uint8_t wow_mp = 0; |
| 65 | uint8_t wow_pbm = 0; |
| 66 | int ret; |
| 67 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 68 | ENTER(); |
| 69 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 70 | pAdapter = (hdd_adapter_t *)file->private_data; |
| 71 | if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 72 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_FATAL, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 73 | "%s: Invalid adapter or adapter has invalid magic.", |
| 74 | __func__); |
| 75 | |
| 76 | return -EINVAL; |
| 77 | } |
| 78 | |
| 79 | hdd_ctx = WLAN_HDD_GET_CTX(pAdapter); |
| 80 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 81 | if (0 != ret) |
| 82 | return ret; |
| 83 | |
| 84 | |
| 85 | if (!sme_is_feature_supported_by_fw(WOW)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 86 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 87 | "%s: Wake-on-Wireless feature is not supported in firmware!", |
| 88 | __func__); |
| 89 | |
| 90 | return -EINVAL; |
| 91 | } |
| 92 | |
| 93 | if (count > MAX_USER_COMMAND_SIZE_WOWL_ENABLE) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 94 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 95 | "%s: Command length is larger than %d bytes.", |
| 96 | __func__, MAX_USER_COMMAND_SIZE_WOWL_ENABLE); |
| 97 | |
| 98 | return -EINVAL; |
| 99 | } |
| 100 | |
| 101 | /* Get command from user */ |
| 102 | if (copy_from_user(cmd, buf, count)) |
| 103 | return -EFAULT; |
| 104 | cmd[count] = '\0'; |
| 105 | sptr = cmd; |
| 106 | |
| 107 | /* Get enable or disable wow */ |
| 108 | token = strsep(&sptr, " "); |
| 109 | if (!token) |
| 110 | return -EINVAL; |
| 111 | if (kstrtou8(token, 0, &wow_enable)) |
| 112 | return -EINVAL; |
| 113 | |
| 114 | /* Disable wow */ |
| 115 | if (!wow_enable) { |
| 116 | if (!hdd_exit_wowl(pAdapter)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 117 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 118 | "%s: hdd_exit_wowl failed!", __func__); |
| 119 | |
| 120 | return -EFAULT; |
| 121 | } |
| 122 | |
| 123 | return count; |
| 124 | } |
| 125 | |
| 126 | /* Get enable or disable magic packet mode */ |
| 127 | token = strsep(&sptr, " "); |
| 128 | if (!token) |
| 129 | return -EINVAL; |
| 130 | if (kstrtou8(token, 0, &wow_mp)) |
| 131 | return -EINVAL; |
| 132 | if (wow_mp > 1) |
| 133 | wow_mp = 1; |
| 134 | |
| 135 | /* Get enable or disable pattern byte matching mode */ |
| 136 | token = strsep(&sptr, " "); |
| 137 | if (!token) |
| 138 | return -EINVAL; |
| 139 | if (kstrtou8(token, 0, &wow_pbm)) |
| 140 | return -EINVAL; |
| 141 | if (wow_pbm > 1) |
| 142 | wow_pbm = 1; |
| 143 | |
| 144 | if (!hdd_enter_wowl(pAdapter, wow_mp, wow_pbm)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 145 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 146 | "%s: hdd_enter_wowl failed!", __func__); |
| 147 | |
| 148 | return -EFAULT; |
| 149 | } |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 150 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 151 | return count; |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * wcnss_wowenable_write() - SSR wrapper for wcnss_wowenable_write |
| 156 | * @file: file pointer |
| 157 | * @buf: buffer |
| 158 | * @count: count |
| 159 | * @ppos: position pointer |
| 160 | * |
| 161 | * Return: 0 on success, error number otherwise |
| 162 | */ |
| 163 | static ssize_t wcnss_wowenable_write(struct file *file, |
| 164 | const char __user *buf, |
| 165 | size_t count, loff_t *ppos) |
| 166 | { |
| 167 | ssize_t ret; |
| 168 | |
| 169 | cds_ssr_protect(__func__); |
| 170 | ret = __wcnss_wowenable_write(file, buf, count, ppos); |
| 171 | cds_ssr_unprotect(__func__); |
| 172 | |
| 173 | return ret; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * __wcnss_wowpattern_write() - wow_pattern debugfs handler |
| 178 | * @file: debugfs file handle |
| 179 | * @buf: text being written to the debugfs |
| 180 | * @count: size of @buf |
| 181 | * @ppos: (unused) offset into the virtual file system |
| 182 | * |
| 183 | * Return: number of bytes processed |
| 184 | */ |
| 185 | static ssize_t __wcnss_wowpattern_write(struct file *file, |
| 186 | const char __user *buf, size_t count, |
| 187 | loff_t *ppos) |
| 188 | { |
| 189 | hdd_adapter_t *pAdapter = (hdd_adapter_t *) file->private_data; |
| 190 | hdd_context_t *hdd_ctx; |
| 191 | char cmd[MAX_USER_COMMAND_SIZE_WOWL_PATTERN + 1]; |
| 192 | char *sptr, *token; |
| 193 | uint8_t pattern_idx = 0; |
| 194 | uint8_t pattern_offset = 0; |
| 195 | char *pattern_buf; |
| 196 | char *pattern_mask; |
| 197 | int ret; |
| 198 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 199 | ENTER(); |
| 200 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 201 | if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 202 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_FATAL, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 203 | "%s: Invalid adapter or adapter has invalid magic.", |
| 204 | __func__); |
| 205 | |
| 206 | return -EINVAL; |
| 207 | } |
| 208 | |
| 209 | hdd_ctx = WLAN_HDD_GET_CTX(pAdapter); |
| 210 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 211 | if (0 != ret) |
| 212 | return ret; |
| 213 | |
| 214 | if (!sme_is_feature_supported_by_fw(WOW)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 215 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 216 | "%s: Wake-on-Wireless feature is not supported in firmware!", |
| 217 | __func__); |
| 218 | |
| 219 | return -EINVAL; |
| 220 | } |
| 221 | |
| 222 | if (count > MAX_USER_COMMAND_SIZE_WOWL_PATTERN) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 223 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 224 | "%s: Command length is larger than %d bytes.", |
| 225 | __func__, MAX_USER_COMMAND_SIZE_WOWL_PATTERN); |
| 226 | |
| 227 | return -EINVAL; |
| 228 | } |
| 229 | |
| 230 | /* Get command from user */ |
| 231 | if (copy_from_user(cmd, buf, count)) |
| 232 | return -EFAULT; |
| 233 | cmd[count] = '\0'; |
| 234 | sptr = cmd; |
| 235 | |
| 236 | /* Get pattern idx */ |
| 237 | token = strsep(&sptr, " "); |
| 238 | if (!token) |
| 239 | return -EINVAL; |
| 240 | |
| 241 | if (kstrtou8(token, 0, &pattern_idx)) |
| 242 | return -EINVAL; |
| 243 | |
| 244 | /* Get pattern offset */ |
| 245 | token = strsep(&sptr, " "); |
| 246 | |
| 247 | /* Delete pattern if no further argument */ |
| 248 | if (!token) { |
| 249 | hdd_del_wowl_ptrn_debugfs(pAdapter, pattern_idx); |
| 250 | |
| 251 | return count; |
| 252 | } |
| 253 | |
| 254 | if (kstrtou8(token, 0, &pattern_offset)) |
| 255 | return -EINVAL; |
| 256 | |
| 257 | /* Get pattern */ |
| 258 | token = strsep(&sptr, " "); |
| 259 | if (!token) |
| 260 | return -EINVAL; |
| 261 | |
| 262 | pattern_buf = token; |
| 263 | |
| 264 | /* Get pattern mask */ |
| 265 | token = strsep(&sptr, " "); |
| 266 | if (!token) |
| 267 | return -EINVAL; |
| 268 | |
| 269 | pattern_mask = token; |
| 270 | pattern_mask[strlen(pattern_mask) - 1] = '\0'; |
| 271 | |
| 272 | hdd_add_wowl_ptrn_debugfs(pAdapter, pattern_idx, pattern_offset, |
| 273 | pattern_buf, pattern_mask); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 274 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 275 | return count; |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * wcnss_wowpattern_write() - SSR wrapper for __wcnss_wowpattern_write |
| 280 | * @file: file pointer |
| 281 | * @buf: buffer |
| 282 | * @count: count |
| 283 | * @ppos: position pointer |
| 284 | * |
| 285 | * Return: 0 on success, error number otherwise |
| 286 | */ |
| 287 | static ssize_t wcnss_wowpattern_write(struct file *file, |
| 288 | const char __user *buf, |
| 289 | size_t count, loff_t *ppos) |
| 290 | { |
| 291 | ssize_t ret; |
| 292 | |
| 293 | cds_ssr_protect(__func__); |
| 294 | ret = __wcnss_wowpattern_write(file, buf, count, ppos); |
| 295 | cds_ssr_unprotect(__func__); |
| 296 | |
| 297 | return ret; |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * wcnss_patterngen_write() - pattern_gen debugfs handler |
| 302 | * @file: debugfs file handle |
| 303 | * @buf: text being written to the debugfs |
| 304 | * @count: size of @buf |
| 305 | * @ppos: (unused) offset into the virtual file system |
| 306 | * |
| 307 | * Return: number of bytes processed |
| 308 | */ |
| 309 | static ssize_t __wcnss_patterngen_write(struct file *file, |
| 310 | const char __user *buf, size_t count, |
| 311 | loff_t *ppos) |
| 312 | { |
| 313 | hdd_adapter_t *pAdapter; |
| 314 | hdd_context_t *pHddCtx; |
| 315 | tSirAddPeriodicTxPtrn *addPeriodicTxPtrnParams; |
| 316 | tSirDelPeriodicTxPtrn *delPeriodicTxPtrnParams; |
| 317 | |
| 318 | char *cmd, *sptr, *token; |
| 319 | uint8_t pattern_idx = 0; |
| 320 | uint8_t pattern_duration = 0; |
| 321 | char *pattern_buf; |
| 322 | uint16_t pattern_len = 0; |
| 323 | uint16_t i = 0; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 324 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 325 | int ret; |
| 326 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 327 | ENTER(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 328 | |
| 329 | pAdapter = (hdd_adapter_t *)file->private_data; |
| 330 | if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 331 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_FATAL, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 332 | "%s: Invalid adapter or adapter has invalid magic.", |
| 333 | __func__); |
| 334 | |
| 335 | return -EINVAL; |
| 336 | } |
| 337 | |
| 338 | pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 339 | ret = wlan_hdd_validate_context(pHddCtx); |
| 340 | if (0 != ret) |
| 341 | return ret; |
| 342 | |
| 343 | if (!sme_is_feature_supported_by_fw(WLAN_PERIODIC_TX_PTRN)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 344 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 345 | "%s: Periodic Tx Pattern Offload feature is not supported in firmware!", |
| 346 | __func__); |
| 347 | return -EINVAL; |
| 348 | } |
| 349 | |
| 350 | /* Get command from user */ |
| 351 | if (count <= MAX_USER_COMMAND_SIZE_FRAME) |
| 352 | cmd = cdf_mem_malloc(count + 1); |
| 353 | else { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 354 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 355 | "%s: Command length is larger than %d bytes.", |
| 356 | __func__, MAX_USER_COMMAND_SIZE_FRAME); |
| 357 | |
| 358 | return -EINVAL; |
| 359 | } |
| 360 | |
| 361 | if (!cmd) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 362 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 363 | FL("Memory allocation for cmd failed!")); |
| 364 | return -ENOMEM; |
| 365 | } |
| 366 | |
| 367 | if (copy_from_user(cmd, buf, count)) { |
| 368 | cdf_mem_free(cmd); |
| 369 | return -EFAULT; |
| 370 | } |
| 371 | cmd[count] = '\0'; |
| 372 | sptr = cmd; |
| 373 | |
| 374 | /* Get pattern idx */ |
| 375 | token = strsep(&sptr, " "); |
| 376 | if (!token) |
| 377 | goto failure; |
| 378 | if (kstrtou8(token, 0, &pattern_idx)) |
| 379 | goto failure; |
| 380 | |
| 381 | if (pattern_idx > (MAXNUM_PERIODIC_TX_PTRNS - 1)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 382 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 383 | "%s: Pattern index %d is not in the range (0 ~ %d).", |
| 384 | __func__, pattern_idx, MAXNUM_PERIODIC_TX_PTRNS - 1); |
| 385 | |
| 386 | goto failure; |
| 387 | } |
| 388 | |
| 389 | /* Get pattern duration */ |
| 390 | token = strsep(&sptr, " "); |
| 391 | if (!token) |
| 392 | goto failure; |
| 393 | if (kstrtou8(token, 0, &pattern_duration)) |
| 394 | goto failure; |
| 395 | |
| 396 | /* Delete pattern using index if duration is 0 */ |
| 397 | if (!pattern_duration) { |
| 398 | delPeriodicTxPtrnParams = |
| 399 | cdf_mem_malloc(sizeof(tSirDelPeriodicTxPtrn)); |
| 400 | if (!delPeriodicTxPtrnParams) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 401 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 402 | FL("Memory allocation failed!")); |
| 403 | cdf_mem_free(cmd); |
| 404 | return -ENOMEM; |
| 405 | } |
| 406 | delPeriodicTxPtrnParams->ucPtrnId = pattern_idx; |
| 407 | delPeriodicTxPtrnParams->ucPatternIdBitmap = 1 << pattern_idx; |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 408 | qdf_copy_macaddr(&delPeriodicTxPtrnParams->mac_address, |
Srinivas Girigowda | a5bba7a | 2015-11-18 22:44:36 -0800 | [diff] [blame] | 409 | &pAdapter->macAddressCurrent); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 410 | |
| 411 | /* Delete pattern */ |
| 412 | status = sme_del_periodic_tx_ptrn(pHddCtx->hHal, |
| 413 | delPeriodicTxPtrnParams); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 414 | if (QDF_STATUS_SUCCESS != status) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 415 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 416 | "%s: sme_del_periodic_tx_ptrn() failed!", |
| 417 | __func__); |
| 418 | |
| 419 | cdf_mem_free(delPeriodicTxPtrnParams); |
| 420 | goto failure; |
| 421 | } |
| 422 | cdf_mem_free(cmd); |
| 423 | cdf_mem_free(delPeriodicTxPtrnParams); |
| 424 | return count; |
| 425 | } |
| 426 | |
| 427 | /* |
| 428 | * In SAP mode allow configuration without any connection check |
| 429 | * In STA mode check if it's in connected state before adding |
| 430 | * patterns |
| 431 | */ |
| 432 | hdd_info("device mode %d", pAdapter->device_mode); |
| 433 | if ((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) && |
| 434 | (!hdd_conn_is_connected(WLAN_HDD_GET_STATION_CTX_PTR(pAdapter)))) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 435 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 436 | "%s: Not in Connected state!", __func__); |
| 437 | goto failure; |
| 438 | } |
| 439 | |
| 440 | /* Get pattern */ |
| 441 | token = strsep(&sptr, " "); |
| 442 | if (!token) |
| 443 | goto failure; |
| 444 | |
| 445 | pattern_buf = token; |
| 446 | pattern_buf[strlen(pattern_buf) - 1] = '\0'; |
| 447 | pattern_len = strlen(pattern_buf); |
| 448 | |
| 449 | /* Since the pattern is a hex string, 2 characters represent 1 byte. */ |
| 450 | if (pattern_len % 2) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 451 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 452 | "%s: Malformed pattern!", __func__); |
| 453 | |
| 454 | goto failure; |
| 455 | } else |
| 456 | pattern_len >>= 1; |
| 457 | |
| 458 | if (pattern_len < 14 || pattern_len > PERIODIC_TX_PTRN_MAX_SIZE) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 459 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 460 | "%s: Not an 802.3 frame!", __func__); |
| 461 | |
| 462 | goto failure; |
| 463 | } |
| 464 | |
| 465 | addPeriodicTxPtrnParams = cdf_mem_malloc(sizeof(tSirAddPeriodicTxPtrn)); |
| 466 | if (!addPeriodicTxPtrnParams) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 467 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 468 | FL("Memory allocation failed!")); |
| 469 | cdf_mem_free(cmd); |
| 470 | return -ENOMEM; |
| 471 | } |
| 472 | |
| 473 | addPeriodicTxPtrnParams->ucPtrnId = pattern_idx; |
| 474 | addPeriodicTxPtrnParams->usPtrnIntervalMs = pattern_duration * 500; |
| 475 | addPeriodicTxPtrnParams->ucPtrnSize = pattern_len; |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 476 | qdf_copy_macaddr(&addPeriodicTxPtrnParams->mac_address, |
Srinivas Girigowda | 3189655 | 2015-11-18 22:59:52 -0800 | [diff] [blame] | 477 | &pAdapter->macAddressCurrent); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 478 | |
| 479 | /* Extract the pattern */ |
| 480 | for (i = 0; i < addPeriodicTxPtrnParams->ucPtrnSize; i++) { |
| 481 | addPeriodicTxPtrnParams->ucPattern[i] = |
| 482 | (hex_to_bin(pattern_buf[0]) << 4) + |
| 483 | hex_to_bin(pattern_buf[1]); |
| 484 | |
| 485 | /* Skip to next byte */ |
| 486 | pattern_buf += 2; |
| 487 | } |
| 488 | |
| 489 | /* Add pattern */ |
| 490 | status = sme_add_periodic_tx_ptrn(pHddCtx->hHal, |
| 491 | addPeriodicTxPtrnParams); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 492 | if (QDF_STATUS_SUCCESS != status) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 493 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 494 | "%s: sme_add_periodic_tx_ptrn() failed!", __func__); |
| 495 | |
| 496 | cdf_mem_free(addPeriodicTxPtrnParams); |
| 497 | goto failure; |
| 498 | } |
| 499 | cdf_mem_free(cmd); |
| 500 | cdf_mem_free(addPeriodicTxPtrnParams); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 501 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 502 | return count; |
| 503 | |
| 504 | failure: |
| 505 | cdf_mem_free(cmd); |
| 506 | return -EINVAL; |
| 507 | } |
| 508 | |
| 509 | /** |
| 510 | * wcnss_patterngen_write() - SSR wrapper for __wcnss_patterngen_write |
| 511 | * @file: file pointer |
| 512 | * @buf: buffer |
| 513 | * @count: count |
| 514 | * @ppos: position pointer |
| 515 | * |
| 516 | * Return: 0 on success, error number otherwise |
| 517 | */ |
| 518 | static ssize_t wcnss_patterngen_write(struct file *file, |
| 519 | const char __user *buf, |
| 520 | size_t count, loff_t *ppos) |
| 521 | { |
| 522 | ssize_t ret; |
| 523 | |
| 524 | cds_ssr_protect(__func__); |
| 525 | ret = __wcnss_patterngen_write(file, buf, count, ppos); |
| 526 | cds_ssr_unprotect(__func__); |
| 527 | |
| 528 | return ret; |
| 529 | } |
| 530 | |
| 531 | /** |
| 532 | * __wcnss_debugfs_open() - Generic debugfs open() handler |
| 533 | * @inode: inode of the debugfs file |
| 534 | * @file: file handle of the debugfs file |
| 535 | * |
| 536 | * Return: 0 |
| 537 | */ |
| 538 | static int __wcnss_debugfs_open(struct inode *inode, struct file *file) |
| 539 | { |
| 540 | hdd_adapter_t *adapter; |
| 541 | hdd_context_t *hdd_ctx; |
| 542 | int ret; |
| 543 | |
| 544 | ENTER(); |
| 545 | |
| 546 | if (inode->i_private) |
| 547 | file->private_data = inode->i_private; |
| 548 | |
| 549 | adapter = (hdd_adapter_t *)file->private_data; |
| 550 | if ((NULL == adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame^] | 551 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_FATAL, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 552 | "%s: Invalid adapter or adapter has invalid magic.", |
| 553 | __func__); |
| 554 | return -EINVAL; |
| 555 | } |
| 556 | |
| 557 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 558 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 559 | if (0 != ret) |
| 560 | return ret; |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 561 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 562 | return 0; |
| 563 | } |
| 564 | |
| 565 | /** |
| 566 | * wcnss_debugfs_open() - SSR wrapper for __wcnss_debugfs_open |
| 567 | * @inode: inode pointer |
| 568 | * @file: file pointer |
| 569 | * |
| 570 | * Return: 0 on success, error number otherwise |
| 571 | */ |
| 572 | static int wcnss_debugfs_open(struct inode *inode, struct file *file) |
| 573 | { |
| 574 | int ret; |
| 575 | |
| 576 | cds_ssr_protect(__func__); |
| 577 | ret = __wcnss_debugfs_open(inode, file); |
| 578 | cds_ssr_unprotect(__func__); |
| 579 | |
| 580 | return ret; |
| 581 | } |
| 582 | |
| 583 | static const struct file_operations fops_wowenable = { |
| 584 | .write = wcnss_wowenable_write, |
| 585 | .open = wcnss_debugfs_open, |
| 586 | .owner = THIS_MODULE, |
| 587 | .llseek = default_llseek, |
| 588 | }; |
| 589 | |
| 590 | static const struct file_operations fops_wowpattern = { |
| 591 | .write = wcnss_wowpattern_write, |
| 592 | .open = wcnss_debugfs_open, |
| 593 | .owner = THIS_MODULE, |
| 594 | .llseek = default_llseek, |
| 595 | }; |
| 596 | |
| 597 | static const struct file_operations fops_patterngen = { |
| 598 | .write = wcnss_patterngen_write, |
| 599 | .open = wcnss_debugfs_open, |
| 600 | .owner = THIS_MODULE, |
| 601 | .llseek = default_llseek, |
| 602 | }; |
| 603 | |
| 604 | /** |
| 605 | * hdd_debugfs_init() - Initialize debugfs interface |
| 606 | * @pAdapter: primary wlan adapter |
| 607 | * |
| 608 | * Register support for the debugfs files supported by the driver. |
| 609 | * |
| 610 | * NB: The current implementation only supports debugfs operations |
| 611 | * on the primary interface, i.e. wlan0 |
| 612 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 613 | * Return: QDF_STATUS_SUCCESS if all files registered, |
| 614 | * QDF_STATUS_E_FAILURE on failure |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 615 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 616 | QDF_STATUS hdd_debugfs_init(hdd_adapter_t *pAdapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 617 | { |
| 618 | hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 619 | pHddCtx->debugfs_phy = debugfs_create_dir("wlan_wcnss", 0); |
| 620 | |
| 621 | if (NULL == pHddCtx->debugfs_phy) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 622 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 623 | |
| 624 | if (NULL == debugfs_create_file("wow_enable", S_IRUSR | S_IWUSR, |
| 625 | pHddCtx->debugfs_phy, pAdapter, |
| 626 | &fops_wowenable)) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 627 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 628 | |
| 629 | if (NULL == debugfs_create_file("wow_pattern", S_IRUSR | S_IWUSR, |
| 630 | pHddCtx->debugfs_phy, pAdapter, |
| 631 | &fops_wowpattern)) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 632 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 633 | |
| 634 | if (NULL == debugfs_create_file("pattern_gen", S_IRUSR | S_IWUSR, |
| 635 | pHddCtx->debugfs_phy, pAdapter, |
| 636 | &fops_patterngen)) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 637 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 638 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 639 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 640 | } |
| 641 | |
| 642 | /** |
| 643 | * hdd_debugfs_exit() - Shutdown debugfs interface |
| 644 | * @pHddCtx: the global HDD context |
| 645 | * |
| 646 | * Unregister support for the debugfs files supported by the driver. |
| 647 | * |
| 648 | * Return: None |
| 649 | */ |
| 650 | void hdd_debugfs_exit(hdd_context_t *pHddCtx) |
| 651 | { |
| 652 | debugfs_remove_recursive(pHddCtx->debugfs_phy); |
| 653 | } |
| 654 | #endif /* #ifdef WLAN_OPEN_SOURCE */ |