Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1 | /* |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 2 | * Copyright (c) 2014-2016 The Linux Foundation. All rights reserved. |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [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: qdf_trace |
| 30 | * QCA driver framework (QDF) trace APIs |
| 31 | * Trace, logging, and debugging definitions and APIs |
| 32 | */ |
| 33 | |
| 34 | /* Include Files */ |
| 35 | #include <qdf_trace.h> |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 36 | #include <wlan_logging_sock_svc.h> |
| 37 | #include "qdf_time.h" |
| 38 | /* Preprocessor definitions and constants */ |
| 39 | |
| 40 | #define QDF_TRACE_BUFFER_SIZE (512) |
| 41 | |
| 42 | enum qdf_timestamp_unit qdf_log_timestamp_type = QDF_LOG_TIMESTAMP_UNIT; |
| 43 | |
| 44 | /* macro to map qdf trace levels into the bitmask */ |
| 45 | #define QDF_TRACE_LEVEL_TO_MODULE_BITMASK(_level) ((1 << (_level))) |
| 46 | |
| 47 | /** |
| 48 | * typedef struct module_trace_info - Trace level for a module, as a bitmask. |
| 49 | * The bits in this mask are ordered by QDF_TRACE_LEVEL. For example, |
| 50 | * each bit represents one of the bits in QDF_TRACE_LEVEL that may be turned |
| 51 | * on to have traces at that level logged, i.e. if QDF_TRACE_LEVEL_ERROR is |
| 52 | * == 2, then if bit 2 (low order) is turned ON, then ERROR traces will be |
| 53 | * printed to the trace log. Note that all bits turned OFF means no traces |
| 54 | * @module_trace_level: trace level |
| 55 | * @module_name_str: 3 character string name for the module |
| 56 | */ |
| 57 | typedef struct { |
| 58 | uint16_t module_trace_level; |
| 59 | unsigned char module_name_str[4]; |
| 60 | } module_trace_info; |
| 61 | |
| 62 | #define QDF_DEFAULT_TRACE_LEVEL \ |
| 63 | ((1 << QDF_TRACE_LEVEL_FATAL) | (1 << QDF_TRACE_LEVEL_ERROR)) |
| 64 | |
| 65 | /* Array of static data that contains all of the per module trace |
| 66 | * information. This includes the trace level for the module and |
| 67 | * the 3 character 'name' of the module for marking the trace logs |
| 68 | */ |
| 69 | module_trace_info g_qdf_trace_info[QDF_MODULE_ID_MAX] = { |
| 70 | [QDF_MODULE_ID_TLSHIM] = {QDF_DEFAULT_TRACE_LEVEL, "DP"}, |
| 71 | [QDF_MODULE_ID_WMI] = {QDF_DEFAULT_TRACE_LEVEL, "WMI"}, |
| 72 | [QDF_MODULE_ID_HDD] = {QDF_DEFAULT_TRACE_LEVEL, "HDD"}, |
| 73 | [QDF_MODULE_ID_SME] = {QDF_DEFAULT_TRACE_LEVEL, "SME"}, |
| 74 | [QDF_MODULE_ID_PE] = {QDF_DEFAULT_TRACE_LEVEL, "PE "}, |
| 75 | [QDF_MODULE_ID_WMA] = {QDF_DEFAULT_TRACE_LEVEL, "WMA"}, |
| 76 | [QDF_MODULE_ID_SYS] = {QDF_DEFAULT_TRACE_LEVEL, "SYS"}, |
| 77 | [QDF_MODULE_ID_QDF] = {QDF_DEFAULT_TRACE_LEVEL, "QDF"}, |
| 78 | [QDF_MODULE_ID_SAP] = {QDF_DEFAULT_TRACE_LEVEL, "SAP"}, |
| 79 | [QDF_MODULE_ID_HDD_SOFTAP] = {QDF_DEFAULT_TRACE_LEVEL, "HSP"}, |
| 80 | [QDF_MODULE_ID_HDD_DATA] = {QDF_DEFAULT_TRACE_LEVEL, "HDP"}, |
| 81 | [QDF_MODULE_ID_HDD_SAP_DATA] = {QDF_DEFAULT_TRACE_LEVEL, "SDP"}, |
| 82 | [QDF_MODULE_ID_BMI] = {QDF_DEFAULT_TRACE_LEVEL, "BMI"}, |
| 83 | [QDF_MODULE_ID_HIF] = {QDF_DEFAULT_TRACE_LEVEL, "HIF"}, |
| 84 | [QDF_MODULE_ID_TXRX] = {QDF_DEFAULT_TRACE_LEVEL, "TRX"}, |
| 85 | [QDF_MODULE_ID_HTT] = {QDF_DEFAULT_TRACE_LEVEL, "HTT"}, |
| 86 | }; |
| 87 | |
| 88 | /* Static and Global variables */ |
| 89 | static spinlock_t ltrace_lock; |
| 90 | |
| 91 | static qdf_trace_record_t g_qdf_trace_tbl[MAX_QDF_TRACE_RECORDS]; |
| 92 | /* global qdf trace data */ |
| 93 | static t_qdf_trace_data g_qdf_trace_data; |
| 94 | /* |
| 95 | * all the call back functions for dumping MTRACE messages from ring buffer |
| 96 | * are stored in qdf_trace_cb_table,these callbacks are initialized during init |
| 97 | * only so, we will make a copy of these call back functions and maintain in to |
| 98 | * qdf_trace_restore_cb_table. Incase if we make modifications to |
| 99 | * qdf_trace_cb_table, we can certainly retrieve all the call back functions |
| 100 | * back from Restore Table |
| 101 | */ |
| 102 | static tp_qdf_trace_cb qdf_trace_cb_table[QDF_MODULE_ID_MAX]; |
| 103 | static tp_qdf_trace_cb qdf_trace_restore_cb_table[QDF_MODULE_ID_MAX]; |
Padma, Santhosh Kumar | 75394d6 | 2016-08-11 16:33:03 +0530 | [diff] [blame] | 104 | static tp_qdf_state_info_cb qdf_state_info_table[QDF_MODULE_ID_MAX]; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 105 | |
Nirav Shah | ae6a0b3 | 2016-04-26 11:44:42 +0530 | [diff] [blame] | 106 | #ifdef FEATURE_DP_TRACE |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 107 | /* Static and Global variables */ |
| 108 | static spinlock_t l_dp_trace_lock; |
| 109 | |
| 110 | static struct qdf_dp_trace_record_s |
| 111 | g_qdf_dp_trace_tbl[MAX_QDF_DP_TRACE_RECORDS]; |
| 112 | |
| 113 | /* |
| 114 | * all the options to configure/control DP trace are |
| 115 | * defined in this structure |
| 116 | */ |
| 117 | static struct s_qdf_dp_trace_data g_qdf_dp_trace_data; |
| 118 | /* |
| 119 | * all the call back functions for dumping DPTRACE messages from ring buffer |
| 120 | * are stored in qdf_dp_trace_cb_table, callbacks are initialized during init |
| 121 | */ |
Houston Hoffman | 125423f | 2016-09-27 23:39:17 -0700 | [diff] [blame] | 122 | static tp_qdf_dp_trace_cb qdf_dp_trace_cb_table[QDF_DP_TRACE_MAX+1]; |
Nirav Shah | ae6a0b3 | 2016-04-26 11:44:42 +0530 | [diff] [blame] | 123 | #endif |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 124 | /** |
| 125 | * qdf_trace_set_level() - Set the trace level for a particular module |
| 126 | * @module: Module id |
| 127 | * @level : trace level |
| 128 | * |
| 129 | * Trace level is a member of the QDF_TRACE_LEVEL enumeration indicating |
| 130 | * the severity of the condition causing the trace message to be issued. |
| 131 | * More severe conditions are more likely to be logged. |
| 132 | * |
| 133 | * This is an external API that allows trace levels to be set for each module. |
| 134 | * |
| 135 | * Return: None |
| 136 | */ |
| 137 | void qdf_trace_set_level(QDF_MODULE_ID module, QDF_TRACE_LEVEL level) |
| 138 | { |
| 139 | /* make sure the caller is passing in a valid LEVEL */ |
| 140 | if (level >= QDF_TRACE_LEVEL_MAX) { |
| 141 | pr_err("%s: Invalid trace level %d passed in!\n", __func__, |
| 142 | level); |
| 143 | return; |
| 144 | } |
| 145 | |
| 146 | /* Treat 'none' differently. NONE means we have to run off all |
| 147 | * the bits in the bit mask so none of the traces appear. Anything |
| 148 | * other than 'none' means we need to turn ON a bit in the bitmask |
| 149 | */ |
| 150 | if (QDF_TRACE_LEVEL_NONE == level) |
| 151 | g_qdf_trace_info[module].module_trace_level = |
| 152 | QDF_TRACE_LEVEL_NONE; |
| 153 | else |
| 154 | /* set the desired bit in the bit mask for the module trace |
| 155 | * level */ |
| 156 | g_qdf_trace_info[module].module_trace_level |= |
| 157 | QDF_TRACE_LEVEL_TO_MODULE_BITMASK(level); |
| 158 | } |
| 159 | EXPORT_SYMBOL(qdf_trace_set_level); |
| 160 | |
| 161 | /** |
| 162 | * qdf_trace_set_module_trace_level() - Set module trace level |
| 163 | * @module: Module id |
| 164 | * @level: Trace level for a module, as a bitmask as per 'module_trace_info' |
| 165 | * |
| 166 | * Sets the module trace level where the trace level is given as a bit mask |
| 167 | * |
| 168 | * Return: None |
| 169 | */ |
| 170 | void qdf_trace_set_module_trace_level(QDF_MODULE_ID module, uint32_t level) |
| 171 | { |
| 172 | if (module < 0 || module >= QDF_MODULE_ID_MAX) { |
| 173 | pr_err("%s: Invalid module id %d passed\n", __func__, module); |
| 174 | return; |
| 175 | } |
| 176 | g_qdf_trace_info[module].module_trace_level = level; |
| 177 | } |
| 178 | EXPORT_SYMBOL(qdf_trace_set_module_trace_level); |
| 179 | |
| 180 | /** |
| 181 | * qdf_trace_set_value() - Set module trace value |
| 182 | * @module: Module id |
| 183 | * @level: Trace level for a module, as a bitmask as per 'module_trace_info' |
| 184 | * @on: set/clear the desired bit in the bit mask |
| 185 | * |
| 186 | * Return: None |
| 187 | */ |
| 188 | void qdf_trace_set_value(QDF_MODULE_ID module, QDF_TRACE_LEVEL level, |
| 189 | uint8_t on) |
| 190 | { |
| 191 | /* make sure the caller is passing in a valid LEVEL */ |
| 192 | if (level < 0 || level >= QDF_TRACE_LEVEL_MAX) { |
| 193 | pr_err("%s: Invalid trace level %d passed in!\n", __func__, |
| 194 | level); |
| 195 | return; |
| 196 | } |
| 197 | |
| 198 | /* make sure the caller is passing in a valid module */ |
| 199 | if (module < 0 || module >= QDF_MODULE_ID_MAX) { |
| 200 | pr_err("%s: Invalid module id %d passed in!\n", __func__, |
| 201 | module); |
| 202 | return; |
| 203 | } |
| 204 | |
| 205 | /* Treat 'none' differently. NONE means we have to turn off all |
| 206 | the bits in the bit mask so none of the traces appear */ |
| 207 | if (QDF_TRACE_LEVEL_NONE == level) { |
| 208 | g_qdf_trace_info[module].module_trace_level = |
| 209 | QDF_TRACE_LEVEL_NONE; |
| 210 | } |
| 211 | /* Treat 'All' differently. All means we have to turn on all |
| 212 | the bits in the bit mask so all of the traces appear */ |
| 213 | else if (QDF_TRACE_LEVEL_ALL == level) { |
| 214 | g_qdf_trace_info[module].module_trace_level = 0xFFFF; |
| 215 | } else { |
| 216 | if (on) |
| 217 | /* set the desired bit in the bit mask for the module |
| 218 | trace level */ |
| 219 | g_qdf_trace_info[module].module_trace_level |= |
| 220 | QDF_TRACE_LEVEL_TO_MODULE_BITMASK(level); |
| 221 | else |
| 222 | /* clear the desired bit in the bit mask for the module |
| 223 | trace level */ |
| 224 | g_qdf_trace_info[module].module_trace_level &= |
| 225 | ~(QDF_TRACE_LEVEL_TO_MODULE_BITMASK(level)); |
| 226 | } |
| 227 | } |
| 228 | EXPORT_SYMBOL(qdf_trace_set_value); |
| 229 | |
| 230 | /** |
| 231 | * qdf_trace_get_level() - get the trace level |
| 232 | * @module: module Id |
| 233 | * @level: trace level |
| 234 | * |
| 235 | * This is an external API that returns a bool value to signify if a |
| 236 | * particular trace level is set for the specified module. |
| 237 | * A member of the QDF_TRACE_LEVEL enumeration indicating the severity |
| 238 | * of the condition causing the trace message to be issued. |
| 239 | * |
| 240 | * Note that individual trace levels are the only valid values |
| 241 | * for this API. QDF_TRACE_LEVEL_NONE and QDF_TRACE_LEVEL_ALL |
| 242 | * are not valid input and will return false |
| 243 | * |
| 244 | * Return: |
| 245 | * false - the specified trace level for the specified module is OFF |
| 246 | * true - the specified trace level for the specified module is ON |
| 247 | */ |
| 248 | bool qdf_trace_get_level(QDF_MODULE_ID module, QDF_TRACE_LEVEL level) |
| 249 | { |
| 250 | bool trace_on = false; |
| 251 | |
| 252 | if ((QDF_TRACE_LEVEL_NONE == level) || |
| 253 | (QDF_TRACE_LEVEL_ALL == level) || (level >= QDF_TRACE_LEVEL_MAX)) { |
| 254 | trace_on = false; |
| 255 | } else { |
| 256 | trace_on = (level & g_qdf_trace_info[module].module_trace_level) |
| 257 | ? true : false; |
| 258 | } |
| 259 | |
| 260 | return trace_on; |
| 261 | } |
| 262 | EXPORT_SYMBOL(qdf_trace_get_level); |
| 263 | |
| 264 | /** |
| 265 | * qdf_snprintf() - wrapper function to snprintf |
| 266 | * @str_buffer: string Buffer |
| 267 | * @size: defines the size of the data record |
| 268 | * @str_format: Format string in which the message to be logged. This format |
| 269 | * string contains printf-like replacement parameters, which follow |
| 270 | * this parameter in the variable argument list. |
| 271 | * |
| 272 | * Return: None |
| 273 | */ |
| 274 | void qdf_snprintf(char *str_buffer, unsigned int size, char *str_format, ...) |
| 275 | { |
| 276 | va_list val; |
| 277 | |
| 278 | va_start(val, str_format); |
| 279 | snprintf(str_buffer, size, str_format, val); |
| 280 | va_end(val); |
| 281 | } |
| 282 | EXPORT_SYMBOL(qdf_snprintf); |
| 283 | |
| 284 | #ifdef QDF_ENABLE_TRACING |
| 285 | |
| 286 | /** |
| 287 | * qdf_trace_msg() - externally called trace function |
| 288 | * @module: Module identifier a member of the QDF_MODULE_ID |
| 289 | * enumeration that identifies the module issuing the trace message. |
| 290 | * @level: Trace level a member of the QDF_TRACE_LEVEL enumeration |
| 291 | * indicating the severity of the condition causing the trace message |
| 292 | * to be issued. More severe conditions are more likely to be logged. |
| 293 | * @str_format: Format string in which the message to be logged. This format |
| 294 | * string contains printf-like replacement parameters, which follow |
| 295 | * this parameter in the variable argument list. |
| 296 | * |
| 297 | * Checks the level of severity and accordingly prints the trace messages |
| 298 | * |
| 299 | * Return: None |
| 300 | */ |
| 301 | void qdf_trace_msg(QDF_MODULE_ID module, QDF_TRACE_LEVEL level, |
| 302 | char *str_format, ...) |
| 303 | { |
| 304 | char str_buffer[QDF_TRACE_BUFFER_SIZE]; |
| 305 | int n; |
| 306 | |
| 307 | /* Print the trace message when the desired level bit is set in |
| 308 | the module tracel level mask */ |
| 309 | if (g_qdf_trace_info[module].module_trace_level & |
| 310 | QDF_TRACE_LEVEL_TO_MODULE_BITMASK(level)) { |
| 311 | /* the trace level strings in an array. these are ordered in |
| 312 | * the same order as the trace levels are defined in the enum |
| 313 | * (see QDF_TRACE_LEVEL) so we can index into this array with |
| 314 | * the level and get the right string. The qdf trace levels |
| 315 | * are... none, Fatal, Error, Warning, Info, info_high, info_med, |
| 316 | * info_low, Debug |
| 317 | */ |
| 318 | static const char *TRACE_LEVEL_STR[] = { " ", "F ", "E ", "W ", |
| 319 | "I ", "IH", "IM", "IL", "D" }; |
| 320 | va_list val; |
| 321 | va_start(val, str_format); |
| 322 | |
| 323 | /* print the prefix string into the string buffer... */ |
| 324 | n = snprintf(str_buffer, QDF_TRACE_BUFFER_SIZE, |
| 325 | "wlan: [%d:%2s:%3s] ", |
| 326 | in_interrupt() ? 0 : current->pid, |
| 327 | (char *)TRACE_LEVEL_STR[level], |
| 328 | (char *)g_qdf_trace_info[module].module_name_str); |
| 329 | |
| 330 | /* print the formatted log message after the prefix string */ |
| 331 | if ((n >= 0) && (n < QDF_TRACE_BUFFER_SIZE)) { |
| 332 | vsnprintf(str_buffer + n, QDF_TRACE_BUFFER_SIZE - n, |
| 333 | str_format, val); |
| 334 | #if defined(WLAN_LOGGING_SOCK_SVC_ENABLE) |
| 335 | wlan_log_to_user(level, (char *)str_buffer, |
| 336 | strlen(str_buffer)); |
| 337 | #else |
| 338 | pr_err("%s\n", str_buffer); |
| 339 | #endif |
| 340 | } |
| 341 | va_end(val); |
| 342 | } |
| 343 | } |
| 344 | EXPORT_SYMBOL(qdf_trace_msg); |
| 345 | |
| 346 | /** |
| 347 | * qdf_trace_display() - Display trace |
| 348 | * |
| 349 | * Return: None |
| 350 | */ |
| 351 | void qdf_trace_display(void) |
| 352 | { |
| 353 | QDF_MODULE_ID module_id; |
| 354 | |
| 355 | pr_err |
| 356 | (" 1)FATAL 2)ERROR 3)WARN 4)INFO 5)INFO_H 6)INFO_M 7)INFO_L 8)DEBUG\n"); |
| 357 | for (module_id = 0; module_id < QDF_MODULE_ID_MAX; ++module_id) { |
| 358 | pr_err |
| 359 | ("%2d)%s %s %s %s %s %s %s %s %s\n", |
| 360 | (int)module_id, g_qdf_trace_info[module_id].module_name_str, |
| 361 | (g_qdf_trace_info[module_id]. |
| 362 | module_trace_level & (1 << QDF_TRACE_LEVEL_FATAL)) ? "X" : |
| 363 | " ", |
| 364 | (g_qdf_trace_info[module_id]. |
| 365 | module_trace_level & (1 << QDF_TRACE_LEVEL_ERROR)) ? "X" : |
| 366 | " ", |
| 367 | (g_qdf_trace_info[module_id]. |
| 368 | module_trace_level & (1 << QDF_TRACE_LEVEL_WARN)) ? "X" : |
| 369 | " ", |
| 370 | (g_qdf_trace_info[module_id]. |
| 371 | module_trace_level & (1 << QDF_TRACE_LEVEL_INFO)) ? "X" : |
| 372 | " ", |
| 373 | (g_qdf_trace_info[module_id]. |
| 374 | module_trace_level & (1 << QDF_TRACE_LEVEL_INFO_HIGH)) ? "X" |
| 375 | : " ", |
| 376 | (g_qdf_trace_info[module_id]. |
| 377 | module_trace_level & (1 << QDF_TRACE_LEVEL_INFO_MED)) ? "X" |
| 378 | : " ", |
| 379 | (g_qdf_trace_info[module_id]. |
| 380 | module_trace_level & (1 << QDF_TRACE_LEVEL_INFO_LOW)) ? "X" |
| 381 | : " ", |
| 382 | (g_qdf_trace_info[module_id]. |
| 383 | module_trace_level & (1 << QDF_TRACE_LEVEL_DEBUG)) ? "X" : |
| 384 | " "); |
| 385 | } |
| 386 | } |
| 387 | EXPORT_SYMBOL(qdf_trace_display); |
| 388 | |
| 389 | #define ROW_SIZE 16 |
| 390 | /* Buffer size = data bytes(2 hex chars plus space) + NULL */ |
| 391 | #define BUFFER_SIZE ((ROW_SIZE * 3) + 1) |
| 392 | |
| 393 | /** |
| 394 | * qdf_trace_hex_dump() - externally called hex dump function |
| 395 | * @module: Module identifier a member of the QDF_MODULE_ID enumeration that |
| 396 | * identifies the module issuing the trace message. |
| 397 | * @level: Trace level a member of the QDF_TRACE_LEVEL enumeration indicating |
| 398 | * the severity of the condition causing the trace message to be |
| 399 | * issued. More severe conditions are more likely to be logged. |
| 400 | * @data: The base address of the buffer to be logged. |
| 401 | * @buf_len: The size of the buffer to be logged. |
| 402 | * |
| 403 | * Checks the level of severity and accordingly prints the trace messages |
| 404 | * |
| 405 | * Return: None |
| 406 | */ |
| 407 | void qdf_trace_hex_dump(QDF_MODULE_ID module, QDF_TRACE_LEVEL level, |
| 408 | void *data, int buf_len) |
| 409 | { |
| 410 | const u8 *ptr = data; |
| 411 | int i, linelen, remaining = buf_len; |
| 412 | unsigned char linebuf[BUFFER_SIZE]; |
| 413 | |
| 414 | if (!(g_qdf_trace_info[module].module_trace_level & |
| 415 | QDF_TRACE_LEVEL_TO_MODULE_BITMASK(level))) |
| 416 | return; |
| 417 | |
| 418 | for (i = 0; i < buf_len; i += ROW_SIZE) { |
| 419 | linelen = min(remaining, ROW_SIZE); |
| 420 | remaining -= ROW_SIZE; |
| 421 | |
| 422 | hex_dump_to_buffer(ptr + i, linelen, ROW_SIZE, 1, |
| 423 | linebuf, sizeof(linebuf), false); |
| 424 | |
| 425 | qdf_trace_msg(module, level, "%.8x: %s", i, linebuf); |
| 426 | } |
| 427 | } |
| 428 | EXPORT_SYMBOL(qdf_trace_hex_dump); |
| 429 | |
| 430 | #endif |
| 431 | |
| 432 | /** |
| 433 | * qdf_trace_enable() - Enable MTRACE for specific modules |
| 434 | * @bitmask_of_module_id: Bitmask according to enum of the modules. |
| 435 | * 32[dec] = 0010 0000 [bin] <enum of HDD is 5> |
| 436 | * 64[dec] = 0100 0000 [bin] <enum of SME is 6> |
| 437 | * 128[dec] = 1000 0000 [bin] <enum of PE is 7> |
| 438 | * @enable: can be true or false true implies enabling MTRACE false implies |
| 439 | * disabling MTRACE. |
| 440 | * |
| 441 | * Enable MTRACE for specific modules whose bits are set in bitmask and enable |
| 442 | * is true. if enable is false it disables MTRACE for that module. set the |
| 443 | * bitmask according to enum value of the modules. |
| 444 | * This functions will be called when you issue ioctl as mentioned following |
| 445 | * [iwpriv wlan0 setdumplog <value> <enable>]. |
| 446 | * <value> - Decimal number, i.e. 64 decimal value shows only SME module, |
| 447 | * 128 decimal value shows only PE module, 192 decimal value shows PE and SME. |
| 448 | * |
| 449 | * Return: None |
| 450 | */ |
| 451 | void qdf_trace_enable(uint32_t bitmask_of_module_id, uint8_t enable) |
| 452 | { |
| 453 | int i; |
| 454 | if (bitmask_of_module_id) { |
| 455 | for (i = 0; i < QDF_MODULE_ID_MAX; i++) { |
| 456 | if (((bitmask_of_module_id >> i) & 1)) { |
| 457 | if (enable) { |
| 458 | if (NULL != |
| 459 | qdf_trace_restore_cb_table[i]) { |
| 460 | qdf_trace_cb_table[i] = |
| 461 | qdf_trace_restore_cb_table[i]; |
| 462 | } |
| 463 | } else { |
| 464 | qdf_trace_restore_cb_table[i] = |
| 465 | qdf_trace_cb_table[i]; |
| 466 | qdf_trace_cb_table[i] = NULL; |
| 467 | } |
| 468 | } |
| 469 | } |
| 470 | } else { |
| 471 | if (enable) { |
| 472 | for (i = 0; i < QDF_MODULE_ID_MAX; i++) { |
| 473 | if (NULL != qdf_trace_restore_cb_table[i]) { |
| 474 | qdf_trace_cb_table[i] = |
| 475 | qdf_trace_restore_cb_table[i]; |
| 476 | } |
| 477 | } |
| 478 | } else { |
| 479 | for (i = 0; i < QDF_MODULE_ID_MAX; i++) { |
| 480 | qdf_trace_restore_cb_table[i] = |
| 481 | qdf_trace_cb_table[i]; |
| 482 | qdf_trace_cb_table[i] = NULL; |
| 483 | } |
| 484 | } |
| 485 | } |
| 486 | } |
| 487 | EXPORT_SYMBOL(qdf_trace_enable); |
| 488 | |
| 489 | /** |
| 490 | * qdf_trace_init() - initializes qdf trace structures and variables |
| 491 | * |
| 492 | * Called immediately after cds_preopen, so that we can start recording HDD |
| 493 | * events ASAP. |
| 494 | * |
| 495 | * Return: None |
| 496 | */ |
| 497 | void qdf_trace_init(void) |
| 498 | { |
| 499 | uint8_t i; |
| 500 | g_qdf_trace_data.head = INVALID_QDF_TRACE_ADDR; |
| 501 | g_qdf_trace_data.tail = INVALID_QDF_TRACE_ADDR; |
| 502 | g_qdf_trace_data.num = 0; |
| 503 | g_qdf_trace_data.enable = true; |
| 504 | g_qdf_trace_data.dump_count = DEFAULT_QDF_TRACE_DUMP_COUNT; |
| 505 | g_qdf_trace_data.num_since_last_dump = 0; |
| 506 | |
| 507 | for (i = 0; i < QDF_MODULE_ID_MAX; i++) { |
| 508 | qdf_trace_cb_table[i] = NULL; |
| 509 | qdf_trace_restore_cb_table[i] = NULL; |
| 510 | } |
| 511 | } |
| 512 | EXPORT_SYMBOL(qdf_trace_init); |
| 513 | |
| 514 | /** |
| 515 | * qdf_trace() - puts the messages in to ring-buffer |
| 516 | * @module: Enum of module, basically module id. |
| 517 | * @param: Code to be recorded |
| 518 | * @session: Session ID of the log |
| 519 | * @data: Actual message contents |
| 520 | * |
| 521 | * This function will be called from each module who wants record the messages |
| 522 | * in circular queue. Before calling this functions make sure you have |
| 523 | * registered your module with qdf through qdf_trace_register function. |
| 524 | * |
| 525 | * Return: None |
| 526 | */ |
| 527 | void qdf_trace(uint8_t module, uint8_t code, uint16_t session, uint32_t data) |
| 528 | { |
| 529 | tp_qdf_trace_record rec = NULL; |
| 530 | unsigned long flags; |
| 531 | |
| 532 | if (!g_qdf_trace_data.enable) |
| 533 | return; |
| 534 | |
| 535 | /* if module is not registered, don't record for that module */ |
| 536 | if (NULL == qdf_trace_cb_table[module]) |
| 537 | return; |
| 538 | |
| 539 | /* Aquire the lock so that only one thread at a time can fill the ring |
| 540 | * buffer |
| 541 | */ |
| 542 | spin_lock_irqsave(<race_lock, flags); |
| 543 | |
| 544 | g_qdf_trace_data.num++; |
| 545 | |
| 546 | if (g_qdf_trace_data.num > MAX_QDF_TRACE_RECORDS) |
| 547 | g_qdf_trace_data.num = MAX_QDF_TRACE_RECORDS; |
| 548 | |
| 549 | if (INVALID_QDF_TRACE_ADDR == g_qdf_trace_data.head) { |
| 550 | /* first record */ |
| 551 | g_qdf_trace_data.head = 0; |
| 552 | g_qdf_trace_data.tail = 0; |
| 553 | } else { |
| 554 | /* queue is not empty */ |
| 555 | uint32_t tail = g_qdf_trace_data.tail + 1; |
| 556 | |
| 557 | if (MAX_QDF_TRACE_RECORDS == tail) |
| 558 | tail = 0; |
| 559 | |
| 560 | if (g_qdf_trace_data.head == tail) { |
| 561 | /* full */ |
| 562 | if (MAX_QDF_TRACE_RECORDS == ++g_qdf_trace_data.head) |
| 563 | g_qdf_trace_data.head = 0; |
| 564 | } |
| 565 | g_qdf_trace_data.tail = tail; |
| 566 | } |
| 567 | |
| 568 | rec = &g_qdf_trace_tbl[g_qdf_trace_data.tail]; |
| 569 | rec->code = code; |
| 570 | rec->session = session; |
| 571 | rec->data = data; |
| 572 | rec->time = qdf_get_log_timestamp(); |
| 573 | rec->module = module; |
| 574 | rec->pid = (in_interrupt() ? 0 : current->pid); |
| 575 | g_qdf_trace_data.num_since_last_dump++; |
| 576 | spin_unlock_irqrestore(<race_lock, flags); |
| 577 | } |
| 578 | EXPORT_SYMBOL(qdf_trace); |
| 579 | |
| 580 | /** |
| 581 | * qdf_trace_spin_lock_init() - initializes the lock variable before use |
| 582 | * |
| 583 | * This function will be called from cds_alloc_global_context, we will have lock |
| 584 | * available to use ASAP |
| 585 | * |
| 586 | * Return: None |
| 587 | */ |
| 588 | QDF_STATUS qdf_trace_spin_lock_init(void) |
| 589 | { |
| 590 | spin_lock_init(<race_lock); |
| 591 | |
| 592 | return QDF_STATUS_SUCCESS; |
| 593 | } |
| 594 | EXPORT_SYMBOL(qdf_trace_spin_lock_init); |
| 595 | |
| 596 | /** |
| 597 | * qdf_trace_register() - registers the call back functions |
| 598 | * @module_iD: enum value of module |
| 599 | * @qdf_trace_callback: call back functions to display the messages in |
| 600 | * particular format. |
| 601 | * |
| 602 | * Registers the call back functions to display the messages in particular |
| 603 | * format mentioned in these call back functions. This functions should be |
| 604 | * called by interested module in their init part as we will be ready to |
| 605 | * register as soon as modules are up. |
| 606 | * |
| 607 | * Return: None |
| 608 | */ |
| 609 | void qdf_trace_register(QDF_MODULE_ID module_iD, |
| 610 | tp_qdf_trace_cb qdf_trace_callback) |
| 611 | { |
| 612 | qdf_trace_cb_table[module_iD] = qdf_trace_callback; |
| 613 | } |
| 614 | EXPORT_SYMBOL(qdf_trace_register); |
| 615 | |
| 616 | /** |
| 617 | * qdf_trace_dump_all() - Dump data from ring buffer via call back functions |
| 618 | * registered with QDF |
| 619 | * @p_mac: Context of particular module |
| 620 | * @code: Reason code |
| 621 | * @session: Session id of log |
| 622 | * @count: Number of lines to dump starting from tail to head |
| 623 | * |
| 624 | * This function will be called up on issueing ioctl call as mentioned following |
| 625 | * [iwpriv wlan0 dumplog 0 0 <n> <bitmask_of_module>] |
| 626 | * |
| 627 | * <n> - number lines to dump starting from tail to head. |
| 628 | * |
| 629 | * <bitmask_of_module> - if anybody wants to know how many messages were |
| 630 | * recorded for particular module/s mentioned by setbit in bitmask from last |
| 631 | * <n> messages. It is optional, if you don't provide then it will dump |
| 632 | * everything from buffer. |
| 633 | * |
| 634 | * Return: None |
| 635 | */ |
| 636 | void qdf_trace_dump_all(void *p_mac, uint8_t code, uint8_t session, |
| 637 | uint32_t count, uint32_t bitmask_of_module) |
| 638 | { |
| 639 | qdf_trace_record_t p_record; |
| 640 | int32_t i, tail; |
| 641 | |
| 642 | if (!g_qdf_trace_data.enable) { |
| 643 | QDF_TRACE(QDF_MODULE_ID_SYS, |
| 644 | QDF_TRACE_LEVEL_ERROR, "Tracing Disabled"); |
| 645 | return; |
| 646 | } |
| 647 | |
| 648 | QDF_TRACE(QDF_MODULE_ID_SYS, QDF_TRACE_LEVEL_INFO, |
| 649 | "Total Records: %d, Head: %d, Tail: %d", |
| 650 | g_qdf_trace_data.num, g_qdf_trace_data.head, |
| 651 | g_qdf_trace_data.tail); |
| 652 | |
| 653 | /* aquire the lock so that only one thread at a time can read |
| 654 | * the ring buffer |
| 655 | */ |
| 656 | spin_lock(<race_lock); |
| 657 | |
| 658 | if (g_qdf_trace_data.head != INVALID_QDF_TRACE_ADDR) { |
| 659 | i = g_qdf_trace_data.head; |
| 660 | tail = g_qdf_trace_data.tail; |
| 661 | |
| 662 | if (count) { |
| 663 | if (count > g_qdf_trace_data.num) |
| 664 | count = g_qdf_trace_data.num; |
| 665 | if (tail >= (count - 1)) |
| 666 | i = tail - count + 1; |
| 667 | else if (count != MAX_QDF_TRACE_RECORDS) |
| 668 | i = MAX_QDF_TRACE_RECORDS - ((count - 1) - |
| 669 | tail); |
| 670 | } |
| 671 | |
| 672 | p_record = g_qdf_trace_tbl[i]; |
| 673 | /* right now we are not using num_since_last_dump member but |
| 674 | * in future we might re-visit and use this member to track |
| 675 | * how many latest messages got added while we were dumping |
| 676 | * from ring buffer |
| 677 | */ |
| 678 | g_qdf_trace_data.num_since_last_dump = 0; |
| 679 | spin_unlock(<race_lock); |
| 680 | for (;; ) { |
| 681 | if ((code == 0 || (code == p_record.code)) && |
| 682 | (qdf_trace_cb_table[p_record.module] != NULL)) { |
| 683 | if (0 == bitmask_of_module) { |
| 684 | qdf_trace_cb_table[p_record. |
| 685 | module] (p_mac, |
| 686 | &p_record, |
| 687 | (uint16_t) |
| 688 | i); |
| 689 | } else { |
| 690 | if (bitmask_of_module & |
| 691 | (1 << p_record.module)) { |
| 692 | qdf_trace_cb_table[p_record. |
| 693 | module] |
| 694 | (p_mac, &p_record, |
| 695 | (uint16_t) i); |
| 696 | } |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | if (i == tail) |
| 701 | break; |
| 702 | i += 1; |
| 703 | |
| 704 | spin_lock(<race_lock); |
| 705 | if (MAX_QDF_TRACE_RECORDS == i) { |
| 706 | i = 0; |
| 707 | p_record = g_qdf_trace_tbl[0]; |
| 708 | } else { |
| 709 | p_record = g_qdf_trace_tbl[i]; |
| 710 | } |
| 711 | spin_unlock(<race_lock); |
| 712 | } |
| 713 | } else { |
| 714 | spin_unlock(<race_lock); |
| 715 | } |
| 716 | } |
| 717 | EXPORT_SYMBOL(qdf_trace_dump_all); |
| 718 | |
Padma, Santhosh Kumar | 75394d6 | 2016-08-11 16:33:03 +0530 | [diff] [blame] | 719 | /** |
| 720 | * qdf_register_debugcb_init() - initializes debug callbacks |
| 721 | * to NULL |
| 722 | * |
| 723 | * Return: None |
| 724 | */ |
| 725 | void qdf_register_debugcb_init(void) |
| 726 | { |
| 727 | uint8_t i; |
| 728 | |
| 729 | for (i = 0; i < QDF_MODULE_ID_MAX; i++) |
| 730 | qdf_state_info_table[i] = NULL; |
| 731 | } |
| 732 | EXPORT_SYMBOL(qdf_register_debugcb_init); |
| 733 | |
| 734 | /** |
| 735 | * qdf_register_debug_callback() - stores callback handlers to print |
| 736 | * state information |
| 737 | * @module_id: module id of layer |
| 738 | * @qdf_state_infocb: callback to be registered |
| 739 | * |
| 740 | * This function is used to store callback handlers to print |
| 741 | * state information |
| 742 | * |
| 743 | * Return: None |
| 744 | */ |
| 745 | void qdf_register_debug_callback(QDF_MODULE_ID module_id, |
| 746 | tp_qdf_state_info_cb qdf_state_infocb) |
| 747 | { |
| 748 | qdf_state_info_table[module_id] = qdf_state_infocb; |
| 749 | } |
| 750 | EXPORT_SYMBOL(qdf_register_debug_callback); |
| 751 | |
| 752 | /** |
| 753 | * qdf_state_info_dump_all() - it invokes callback of layer which registered |
| 754 | * its callback to print its state information. |
| 755 | * @buf: buffer pointer to be passed |
| 756 | * @size: size of buffer to be filled |
| 757 | * @driver_dump_size: actual size of buffer used |
| 758 | * |
| 759 | * Return: QDF_STATUS_SUCCESS on success |
| 760 | */ |
| 761 | QDF_STATUS qdf_state_info_dump_all(char *buf, uint16_t size, |
| 762 | uint16_t *driver_dump_size) |
| 763 | { |
| 764 | uint8_t module, ret = QDF_STATUS_SUCCESS; |
| 765 | uint16_t buf_len = size; |
| 766 | char *buf_ptr = buf; |
| 767 | |
| 768 | for (module = 0; module < QDF_MODULE_ID_MAX; module++) { |
| 769 | if (NULL != qdf_state_info_table[module]) { |
| 770 | qdf_state_info_table[module](&buf_ptr, &buf_len); |
| 771 | if (!buf_len) { |
| 772 | ret = QDF_STATUS_E_NOMEM; |
| 773 | break; |
| 774 | } |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | *driver_dump_size = size - buf_len; |
| 779 | return ret; |
| 780 | } |
| 781 | EXPORT_SYMBOL(qdf_state_info_dump_all); |
| 782 | |
Nirav Shah | ae6a0b3 | 2016-04-26 11:44:42 +0530 | [diff] [blame] | 783 | #ifdef FEATURE_DP_TRACE |
Houston Hoffman | 125423f | 2016-09-27 23:39:17 -0700 | [diff] [blame] | 784 | static void qdf_dp_unused(struct qdf_dp_trace_record_s *record, |
| 785 | uint16_t index) |
| 786 | { |
| 787 | qdf_print("%s: QDF_DP_TRACE_MAX event should not be generated", |
| 788 | __func__); |
| 789 | } |
| 790 | |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 791 | /** |
| 792 | * qdf_dp_trace_init() - enables the DP trace |
| 793 | * Called during driver load and it enables DP trace |
| 794 | * |
| 795 | * Return: None |
| 796 | */ |
| 797 | void qdf_dp_trace_init(void) |
| 798 | { |
| 799 | uint8_t i; |
| 800 | |
| 801 | qdf_dp_trace_spin_lock_init(); |
| 802 | g_qdf_dp_trace_data.head = INVALID_QDF_DP_TRACE_ADDR; |
| 803 | g_qdf_dp_trace_data.tail = INVALID_QDF_DP_TRACE_ADDR; |
| 804 | g_qdf_dp_trace_data.num = 0; |
Nirav Shah | 31d694b | 2016-05-03 20:18:22 +0530 | [diff] [blame] | 805 | g_qdf_dp_trace_data.proto_bitmap = QDF_NBUF_PKT_TRAC_TYPE_EAPOL | |
| 806 | QDF_NBUF_PKT_TRAC_TYPE_DHCP | QDF_NBUF_PKT_TRAC_TYPE_MGMT_ACTION; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 807 | g_qdf_dp_trace_data.no_of_record = 0; |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 808 | g_qdf_dp_trace_data.verbosity = QDF_DP_TRACE_VERBOSITY_LOW; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 809 | g_qdf_dp_trace_data.enable = true; |
| 810 | |
Houston Hoffman | 125423f | 2016-09-27 23:39:17 -0700 | [diff] [blame] | 811 | for (i = 0; i < ARRAY_SIZE(qdf_dp_trace_cb_table); i++) |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 812 | qdf_dp_trace_cb_table[i] = qdf_dp_display_record; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 813 | |
| 814 | qdf_dp_trace_cb_table[QDF_DP_TRACE_TXRX_PACKET_PTR_RECORD] = |
| 815 | qdf_dp_trace_cb_table[QDF_DP_TRACE_TXRX_FAST_PACKET_PTR_RECORD] = |
| 816 | qdf_dp_trace_cb_table[QDF_DP_TRACE_FREE_PACKET_PTR_RECORD] = |
| 817 | qdf_dp_display_ptr_record; |
| 818 | qdf_dp_trace_cb_table[QDF_DP_TRACE_EAPOL_PACKET_RECORD] = |
| 819 | qdf_dp_trace_cb_table[QDF_DP_TRACE_DHCP_PACKET_RECORD] = |
| 820 | qdf_dp_trace_cb_table[QDF_DP_TRACE_ARP_PACKET_RECORD] = |
| 821 | qdf_dp_display_proto_pkt; |
Nirav Shah | 31d694b | 2016-05-03 20:18:22 +0530 | [diff] [blame] | 822 | qdf_dp_trace_cb_table[QDF_DP_TRACE_MGMT_PACKET_RECORD] = |
| 823 | qdf_dp_display_mgmt_pkt; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 824 | |
Houston Hoffman | 125423f | 2016-09-27 23:39:17 -0700 | [diff] [blame] | 825 | qdf_dp_trace_cb_table[QDF_DP_TRACE_MAX] = qdf_dp_unused; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 826 | } |
| 827 | EXPORT_SYMBOL(qdf_dp_trace_init); |
| 828 | |
| 829 | /** |
| 830 | * qdf_dp_trace_set_value() - Configure the value to control DP trace |
| 831 | * @proto_bitmap: defines the protocol to be tracked |
| 832 | * @no_of_records: defines the nth packet which is traced |
| 833 | * @verbosity: defines the verbosity level |
| 834 | * |
| 835 | * Return: None |
| 836 | */ |
| 837 | void qdf_dp_trace_set_value(uint8_t proto_bitmap, uint8_t no_of_record, |
| 838 | uint8_t verbosity) |
| 839 | { |
| 840 | g_qdf_dp_trace_data.proto_bitmap = proto_bitmap; |
| 841 | g_qdf_dp_trace_data.no_of_record = no_of_record; |
| 842 | g_qdf_dp_trace_data.verbosity = verbosity; |
| 843 | return; |
| 844 | } |
| 845 | EXPORT_SYMBOL(qdf_dp_trace_set_value); |
| 846 | |
| 847 | /** |
| 848 | * qdf_dp_trace_enable_track() - enable the tracing for netbuf |
| 849 | * @code: defines the event |
| 850 | * |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 851 | * In High verbosity all codes are logged. |
| 852 | * For Med/Low and Default case code which has |
| 853 | * less value than corresponding verbosity codes |
| 854 | * are logged. |
| 855 | * |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 856 | * Return: true or false depends on whether tracing enabled |
| 857 | */ |
| 858 | static bool qdf_dp_trace_enable_track(enum QDF_DP_TRACE_ID code) |
| 859 | { |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 860 | switch (g_qdf_dp_trace_data.verbosity) { |
| 861 | case QDF_DP_TRACE_VERBOSITY_HIGH: |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 862 | return true; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 863 | case QDF_DP_TRACE_VERBOSITY_MEDIUM: |
| 864 | if (code <= QDF_DP_TRACE_MED_VERBOSITY) |
| 865 | return true; |
| 866 | return false; |
| 867 | case QDF_DP_TRACE_VERBOSITY_LOW: |
| 868 | if (code <= QDF_DP_TRACE_LOW_VERBOSITY) |
| 869 | return true; |
| 870 | return false; |
| 871 | case QDF_DP_TRACE_VERBOSITY_DEFAULT: |
| 872 | if (code <= QDF_DP_TRACE_DEFAULT_VERBOSITY) |
| 873 | return true; |
| 874 | return false; |
| 875 | default: |
| 876 | return false; |
| 877 | } |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 878 | } |
| 879 | EXPORT_SYMBOL(qdf_dp_trace_enable_track); |
| 880 | |
| 881 | /** |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 882 | * qdf_dp_get_proto_bitmap() - get dp trace proto bitmap |
| 883 | * |
| 884 | * Return: proto bitmap |
| 885 | */ |
| 886 | uint8_t qdf_dp_get_proto_bitmap(void) |
| 887 | { |
| 888 | if (g_qdf_dp_trace_data.enable) |
| 889 | return g_qdf_dp_trace_data.proto_bitmap; |
| 890 | else |
| 891 | return 0; |
| 892 | } |
| 893 | |
| 894 | /** |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 895 | * qdf_dp_trace_set_track() - Marks whether the packet needs to be traced |
| 896 | * @nbuf: defines the netbuf |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 897 | * @dir: direction |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 898 | * |
| 899 | * Return: None |
| 900 | */ |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 901 | void qdf_dp_trace_set_track(qdf_nbuf_t nbuf, enum qdf_proto_dir dir) |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 902 | { |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 903 | uint32_t count = 0; |
| 904 | |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 905 | spin_lock_bh(&l_dp_trace_lock); |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 906 | if (QDF_TX == dir) |
| 907 | count = ++g_qdf_dp_trace_data.tx_count; |
| 908 | else if (QDF_RX == dir) |
| 909 | count = ++g_qdf_dp_trace_data.rx_count; |
| 910 | |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 911 | if ((g_qdf_dp_trace_data.no_of_record != 0) && |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 912 | (count % g_qdf_dp_trace_data.no_of_record == 0)) { |
| 913 | if (QDF_TX == dir) |
| 914 | QDF_NBUF_CB_TX_DP_TRACE(nbuf) = 1; |
| 915 | else if (QDF_RX == dir) |
| 916 | QDF_NBUF_CB_RX_DP_TRACE(nbuf) = 1; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 917 | } |
| 918 | spin_unlock_bh(&l_dp_trace_lock); |
| 919 | return; |
| 920 | } |
| 921 | EXPORT_SYMBOL(qdf_dp_trace_set_track); |
| 922 | |
| 923 | /** |
| 924 | * dump_hex_trace() - Display the data in buffer |
| 925 | * @buf: buffer which contains data to be displayed |
| 926 | * @buf_len: defines the size of the data to be displayed |
| 927 | * |
| 928 | * Return: None |
| 929 | */ |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 930 | static void dump_hex_trace(char *str, uint8_t *buf, uint8_t buf_len) |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 931 | { |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 932 | unsigned char linebuf[BUFFER_SIZE]; |
| 933 | const u8 *ptr = buf; |
| 934 | int i, linelen, remaining = buf_len; |
| 935 | |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 936 | /* Dump the bytes in the last line */ |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 937 | for (i = 0; i < buf_len; i += ROW_SIZE) { |
| 938 | linelen = min(remaining, ROW_SIZE); |
| 939 | remaining -= ROW_SIZE; |
| 940 | |
| 941 | hex_dump_to_buffer(ptr + i, linelen, ROW_SIZE, 1, |
| 942 | linebuf, sizeof(linebuf), false); |
| 943 | |
| 944 | qdf_trace_msg(QDF_MODULE_ID_QDF, |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 945 | QDF_TRACE_LEVEL_ERROR, "DPT: %s: %s", str, linebuf); |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 946 | } |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 947 | } |
| 948 | EXPORT_SYMBOL(dump_hex_trace); |
| 949 | |
| 950 | /** |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 951 | * qdf_dp_code_to_string() - convert dptrace code to string |
| 952 | * @code: dptrace code |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 953 | * |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 954 | * Return: string version of code |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 955 | */ |
Jeff Johnson | 4729b6f | 2016-10-07 13:02:43 -0700 | [diff] [blame^] | 956 | static |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 957 | const char *qdf_dp_code_to_string(enum QDF_DP_TRACE_ID code) |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 958 | { |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 959 | switch (code) { |
| 960 | case QDF_DP_TRACE_DROP_PACKET_RECORD: |
| 961 | return "DROP:"; |
| 962 | case QDF_DP_TRACE_EAPOL_PACKET_RECORD: |
| 963 | return "EAPOL:"; |
| 964 | case QDF_DP_TRACE_DHCP_PACKET_RECORD: |
| 965 | return "DHCP:"; |
| 966 | case QDF_DP_TRACE_ARP_PACKET_RECORD: |
| 967 | return "ARP:"; |
Nirav Shah | 31d694b | 2016-05-03 20:18:22 +0530 | [diff] [blame] | 968 | case QDF_DP_TRACE_MGMT_PACKET_RECORD: |
| 969 | return "MGMT:"; |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 970 | case QDF_DP_TRACE_HDD_TX_PACKET_PTR_RECORD: |
| 971 | return "HDD: TX: PTR:"; |
| 972 | case QDF_DP_TRACE_HDD_TX_PACKET_RECORD: |
| 973 | return "HDD: TX: DATA:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 974 | case QDF_DP_TRACE_CE_PACKET_PTR_RECORD: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 975 | return "CE: TX: PTR:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 976 | case QDF_DP_TRACE_CE_FAST_PACKET_PTR_RECORD: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 977 | return "CE: TX: FAST: PTR:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 978 | case QDF_DP_TRACE_FREE_PACKET_PTR_RECORD: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 979 | return "FREE: TX: PTR:"; |
| 980 | case QDF_DP_TRACE_RX_HTT_PACKET_PTR_RECORD: |
| 981 | return "HTT: RX: PTR:"; |
| 982 | case QDF_DP_TRACE_RX_OFFLOAD_HTT_PACKET_PTR_RECORD: |
| 983 | return "HTT: RX: OF: PTR:"; |
| 984 | case QDF_DP_TRACE_RX_HDD_PACKET_PTR_RECORD: |
| 985 | return "HDD: RX: PTR:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 986 | case QDF_DP_TRACE_TXRX_QUEUE_PACKET_PTR_RECORD: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 987 | return "TXRX: TX: Q: PTR:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 988 | case QDF_DP_TRACE_TXRX_PACKET_PTR_RECORD: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 989 | return "TXRX: TX: PTR:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 990 | case QDF_DP_TRACE_TXRX_FAST_PACKET_PTR_RECORD: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 991 | return "TXRX: TX: FAST: PTR:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 992 | case QDF_DP_TRACE_HTT_PACKET_PTR_RECORD: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 993 | return "HTT: TX: PTR:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 994 | case QDF_DP_TRACE_HTC_PACKET_PTR_RECORD: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 995 | return "HTC: TX: PTR:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 996 | case QDF_DP_TRACE_HIF_PACKET_PTR_RECORD: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 997 | return "HIF: TX: PTR:"; |
| 998 | case QDF_DP_TRACE_RX_TXRX_PACKET_PTR_RECORD: |
| 999 | return "TXRX: RX: PTR:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1000 | case QDF_DP_TRACE_HDD_TX_TIMEOUT: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1001 | return "HDD: STA: TO:"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1002 | case QDF_DP_TRACE_HDD_SOFTAP_TX_TIMEOUT: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1003 | return "HDD: SAP: TO:"; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1004 | default: |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1005 | return "Invalid"; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1006 | } |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1007 | } |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1008 | |
| 1009 | /** |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1010 | * qdf_dp_dir_to_str() - convert direction to string |
| 1011 | * @dir: direction |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1012 | * |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1013 | * Return: string version of direction |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1014 | */ |
Jeff Johnson | 4729b6f | 2016-10-07 13:02:43 -0700 | [diff] [blame^] | 1015 | static const char *qdf_dp_dir_to_str(enum qdf_proto_dir dir) |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1016 | { |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1017 | switch (dir) { |
| 1018 | case QDF_TX: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1019 | return " --> "; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1020 | case QDF_RX: |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1021 | return " <-- "; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1022 | default: |
| 1023 | return "invalid"; |
| 1024 | } |
| 1025 | } |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1026 | |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1027 | /** |
| 1028 | * qdf_dp_type_to_str() - convert packet type to string |
| 1029 | * @type: type |
| 1030 | * |
| 1031 | * Return: string version of packet type |
| 1032 | */ |
Jeff Johnson | 4729b6f | 2016-10-07 13:02:43 -0700 | [diff] [blame^] | 1033 | static const char *qdf_dp_type_to_str(enum qdf_proto_type type) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1034 | { |
| 1035 | switch (type) { |
| 1036 | case QDF_PROTO_TYPE_DHCP: |
| 1037 | return "DHCP"; |
| 1038 | case QDF_PROTO_TYPE_EAPOL: |
| 1039 | return "EAPOL"; |
| 1040 | case QDF_PROTO_TYPE_ARP: |
| 1041 | return "ARP"; |
Nirav Shah | 31d694b | 2016-05-03 20:18:22 +0530 | [diff] [blame] | 1042 | case QDF_PROTO_TYPE_MGMT: |
| 1043 | return "MGMT"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1044 | default: |
| 1045 | return "invalid"; |
| 1046 | } |
| 1047 | } |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1048 | |
| 1049 | /** |
| 1050 | * qdf_dp_subtype_to_str() - convert packet subtype to string |
| 1051 | * @type: type |
| 1052 | * |
| 1053 | * Return: string version of packet subtype |
| 1054 | */ |
Jeff Johnson | 4729b6f | 2016-10-07 13:02:43 -0700 | [diff] [blame^] | 1055 | static const char *qdf_dp_subtype_to_str(enum qdf_proto_subtype subtype) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1056 | { |
| 1057 | switch (subtype) { |
| 1058 | case QDF_PROTO_EAPOL_M1: |
| 1059 | return "M1"; |
| 1060 | case QDF_PROTO_EAPOL_M2: |
| 1061 | return "M2"; |
| 1062 | case QDF_PROTO_EAPOL_M3: |
| 1063 | return "M3"; |
| 1064 | case QDF_PROTO_EAPOL_M4: |
| 1065 | return "M4"; |
| 1066 | case QDF_PROTO_DHCP_DISCOVER: |
| 1067 | return "DISCOVER"; |
| 1068 | case QDF_PROTO_DHCP_REQUEST: |
| 1069 | return "REQUEST"; |
| 1070 | case QDF_PROTO_DHCP_OFFER: |
| 1071 | return "OFFER"; |
| 1072 | case QDF_PROTO_DHCP_ACK: |
| 1073 | return "ACK"; |
| 1074 | case QDF_PROTO_DHCP_NACK: |
| 1075 | return "NACK"; |
| 1076 | case QDF_PROTO_DHCP_RELEASE: |
| 1077 | return "RELEASE"; |
| 1078 | case QDF_PROTO_DHCP_INFORM: |
| 1079 | return "INFORM"; |
| 1080 | case QDF_PROTO_DHCP_DECLINE: |
| 1081 | return "DECLINE"; |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1082 | case QDF_PROTO_ARP_REQ: |
| 1083 | return "REQUEST"; |
| 1084 | case QDF_PROTO_ARP_RES: |
| 1085 | return "RESPONSE"; |
Nirav Shah | 31d694b | 2016-05-03 20:18:22 +0530 | [diff] [blame] | 1086 | case QDF_PROTO_MGMT_ASSOC: |
| 1087 | return "ASSOC"; |
| 1088 | case QDF_PROTO_MGMT_DISASSOC: |
| 1089 | return "DISASSOC"; |
| 1090 | case QDF_PROTO_MGMT_AUTH: |
| 1091 | return "AUTH"; |
| 1092 | case QDF_PROTO_MGMT_DEAUTH: |
| 1093 | return "DEAUTH"; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1094 | default: |
| 1095 | return "invalid"; |
| 1096 | } |
| 1097 | } |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1098 | |
| 1099 | /** |
| 1100 | * qdf_dp_enable_check() - check if dptrace is enable or not |
| 1101 | * @nbuf: nbuf |
| 1102 | * @code: dptrace code |
| 1103 | * |
| 1104 | * Return: true/false |
| 1105 | */ |
Jeff Johnson | 4729b6f | 2016-10-07 13:02:43 -0700 | [diff] [blame^] | 1106 | static bool qdf_dp_enable_check(qdf_nbuf_t nbuf, enum QDF_DP_TRACE_ID code, |
| 1107 | enum qdf_proto_dir dir) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1108 | { |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1109 | /* Return when Dp trace is not enabled */ |
| 1110 | if (!g_qdf_dp_trace_data.enable) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1111 | return false; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1112 | |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1113 | if (qdf_dp_trace_enable_track(code) == false) |
| 1114 | return false; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1115 | |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1116 | if ((nbuf) && ((QDF_NBUF_CB_TX_PACKET_TRACK(nbuf) != |
| 1117 | QDF_NBUF_TX_PKT_DATA_TRACK) || |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1118 | ((dir == QDF_TX) && (QDF_NBUF_CB_TX_DP_TRACE(nbuf) == 0)) || |
| 1119 | ((dir == QDF_RX) && (QDF_NBUF_CB_RX_DP_TRACE(nbuf) == 0)))) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1120 | return false; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1121 | |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1122 | return true; |
| 1123 | } |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1124 | |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1125 | /** |
| 1126 | * qdf_dp_add_record() - add dp trace record |
| 1127 | * @code: dptrace code |
| 1128 | * @data: data pointer |
| 1129 | * @size: size of buffer |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1130 | * @print: true to print it in kmsg |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1131 | * |
| 1132 | * Return: none |
| 1133 | */ |
Jeff Johnson | 4729b6f | 2016-10-07 13:02:43 -0700 | [diff] [blame^] | 1134 | static void qdf_dp_add_record(enum QDF_DP_TRACE_ID code, |
| 1135 | uint8_t *data, uint8_t size, bool print) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1136 | { |
| 1137 | struct qdf_dp_trace_record_s *rec = NULL; |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1138 | int index; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1139 | spin_lock_bh(&l_dp_trace_lock); |
| 1140 | |
| 1141 | g_qdf_dp_trace_data.num++; |
| 1142 | |
| 1143 | if (g_qdf_dp_trace_data.num > MAX_QDF_DP_TRACE_RECORDS) |
| 1144 | g_qdf_dp_trace_data.num = MAX_QDF_DP_TRACE_RECORDS; |
| 1145 | |
| 1146 | if (INVALID_QDF_DP_TRACE_ADDR == g_qdf_dp_trace_data.head) { |
| 1147 | /* first record */ |
| 1148 | g_qdf_dp_trace_data.head = 0; |
| 1149 | g_qdf_dp_trace_data.tail = 0; |
| 1150 | } else { |
| 1151 | /* queue is not empty */ |
| 1152 | g_qdf_dp_trace_data.tail++; |
| 1153 | |
| 1154 | if (MAX_QDF_DP_TRACE_RECORDS == g_qdf_dp_trace_data.tail) |
| 1155 | g_qdf_dp_trace_data.tail = 0; |
| 1156 | |
| 1157 | if (g_qdf_dp_trace_data.head == g_qdf_dp_trace_data.tail) { |
| 1158 | /* full */ |
| 1159 | if (MAX_QDF_DP_TRACE_RECORDS == |
| 1160 | ++g_qdf_dp_trace_data.head) |
| 1161 | g_qdf_dp_trace_data.head = 0; |
| 1162 | } |
| 1163 | } |
| 1164 | |
| 1165 | rec = &g_qdf_dp_trace_tbl[g_qdf_dp_trace_data.tail]; |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1166 | index = g_qdf_dp_trace_data.tail; |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1167 | rec->code = code; |
| 1168 | rec->size = 0; |
| 1169 | if (data != NULL && size > 0) { |
| 1170 | if (size > QDF_DP_TRACE_RECORD_SIZE) |
| 1171 | size = QDF_DP_TRACE_RECORD_SIZE; |
| 1172 | |
| 1173 | rec->size = size; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1174 | qdf_mem_copy(rec->data, data, size); |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1175 | } |
| 1176 | rec->time = qdf_get_log_timestamp(); |
| 1177 | rec->pid = (in_interrupt() ? 0 : current->pid); |
| 1178 | spin_unlock_bh(&l_dp_trace_lock); |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1179 | |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1180 | if (g_qdf_dp_trace_data.live_mode || (print == true)) |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1181 | qdf_dp_trace_cb_table[rec->code] (rec, index); |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1182 | } |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1183 | |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1184 | |
| 1185 | /** |
| 1186 | * qdf_log_eapol_pkt() - log EAPOL packet |
| 1187 | * @session_id: vdev_id |
| 1188 | * @skb: skb pointer |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1189 | * @dir: direction |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1190 | * |
| 1191 | * Return: true/false |
| 1192 | */ |
Jeff Johnson | 4729b6f | 2016-10-07 13:02:43 -0700 | [diff] [blame^] | 1193 | static bool qdf_log_eapol_pkt(uint8_t session_id, struct sk_buff *skb, |
| 1194 | enum qdf_proto_dir dir) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1195 | { |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1196 | enum qdf_proto_subtype subtype; |
| 1197 | |
| 1198 | if ((qdf_dp_get_proto_bitmap() & QDF_NBUF_PKT_TRAC_TYPE_EAPOL) && |
Nirav Shah | 9c3b3fe | 2016-07-20 16:05:06 +0530 | [diff] [blame] | 1199 | ((dir == QDF_TX && QDF_NBUF_CB_PACKET_TYPE_EAPOL == |
| 1200 | QDF_NBUF_CB_GET_PACKET_TYPE(skb)) || |
| 1201 | (dir == QDF_RX && qdf_nbuf_is_ipv4_eapol_pkt(skb) == true))) { |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1202 | |
Himanshu Agarwal | fcd64e9 | 2016-07-20 17:45:58 +0530 | [diff] [blame] | 1203 | subtype = qdf_nbuf_get_eapol_subtype(skb); |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1204 | DPTRACE(qdf_dp_trace_proto_pkt(QDF_DP_TRACE_EAPOL_PACKET_RECORD, |
| 1205 | session_id, (skb->data + QDF_NBUF_SRC_MAC_OFFSET), |
| 1206 | (skb->data + QDF_NBUF_DEST_MAC_OFFSET), |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1207 | QDF_PROTO_TYPE_EAPOL, subtype, dir)); |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1208 | if (QDF_TX == dir) |
| 1209 | QDF_NBUF_CB_TX_DP_TRACE(skb) = 1; |
| 1210 | else if (QDF_RX == dir) |
| 1211 | QDF_NBUF_CB_RX_DP_TRACE(skb) = 1; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1212 | return true; |
| 1213 | } |
| 1214 | return false; |
| 1215 | } |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1216 | |
| 1217 | /** |
| 1218 | * qdf_log_dhcp_pkt() - log DHCP packet |
| 1219 | * @session_id: vdev_id |
| 1220 | * @skb: skb pointer |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1221 | * @dir: direction |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1222 | * |
| 1223 | * Return: true/false |
| 1224 | */ |
Jeff Johnson | 4729b6f | 2016-10-07 13:02:43 -0700 | [diff] [blame^] | 1225 | static bool qdf_log_dhcp_pkt(uint8_t session_id, struct sk_buff *skb, |
| 1226 | enum qdf_proto_dir dir) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1227 | { |
| 1228 | enum qdf_proto_subtype subtype = QDF_PROTO_INVALID; |
| 1229 | |
| 1230 | if ((qdf_dp_get_proto_bitmap() & QDF_NBUF_PKT_TRAC_TYPE_DHCP) && |
Nirav Shah | 9c3b3fe | 2016-07-20 16:05:06 +0530 | [diff] [blame] | 1231 | ((dir == QDF_TX && QDF_NBUF_CB_PACKET_TYPE_DHCP == |
| 1232 | QDF_NBUF_CB_GET_PACKET_TYPE(skb)) || |
| 1233 | (dir == QDF_RX && qdf_nbuf_is_ipv4_dhcp_pkt(skb) == true))) { |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1234 | |
Himanshu Agarwal | fcd64e9 | 2016-07-20 17:45:58 +0530 | [diff] [blame] | 1235 | subtype = qdf_nbuf_get_dhcp_subtype(skb); |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1236 | DPTRACE(qdf_dp_trace_proto_pkt(QDF_DP_TRACE_DHCP_PACKET_RECORD, |
| 1237 | session_id, (skb->data + QDF_NBUF_SRC_MAC_OFFSET), |
| 1238 | (skb->data + QDF_NBUF_DEST_MAC_OFFSET), |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1239 | QDF_PROTO_TYPE_DHCP, subtype, dir)); |
| 1240 | if (QDF_TX == dir) |
| 1241 | QDF_NBUF_CB_TX_DP_TRACE(skb) = 1; |
| 1242 | else if (QDF_RX == dir) |
| 1243 | QDF_NBUF_CB_RX_DP_TRACE(skb) = 1; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1244 | return true; |
| 1245 | } |
| 1246 | return false; |
| 1247 | } |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1248 | |
| 1249 | /** |
| 1250 | * qdf_log_arp_pkt() - log ARP packet |
| 1251 | * @session_id: vdev_id |
| 1252 | * @skb: skb pointer |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1253 | * @dir: direction |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1254 | * |
| 1255 | * Return: true/false |
| 1256 | */ |
Jeff Johnson | 4729b6f | 2016-10-07 13:02:43 -0700 | [diff] [blame^] | 1257 | static bool qdf_log_arp_pkt(uint8_t session_id, struct sk_buff *skb, |
| 1258 | enum qdf_proto_dir dir) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1259 | { |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1260 | enum qdf_proto_subtype proto_subtype; |
| 1261 | |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1262 | if ((qdf_dp_get_proto_bitmap() & QDF_NBUF_PKT_TRAC_TYPE_ARP) && |
Nirav Shah | 9c3b3fe | 2016-07-20 16:05:06 +0530 | [diff] [blame] | 1263 | ((dir == QDF_TX && QDF_NBUF_CB_PACKET_TYPE_ARP == |
| 1264 | QDF_NBUF_CB_GET_PACKET_TYPE(skb)) || |
| 1265 | (dir == QDF_RX && qdf_nbuf_is_ipv4_arp_pkt(skb) == true))) { |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1266 | |
Himanshu Agarwal | fcd64e9 | 2016-07-20 17:45:58 +0530 | [diff] [blame] | 1267 | proto_subtype = qdf_nbuf_get_arp_subtype(skb); |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1268 | DPTRACE(qdf_dp_trace_proto_pkt(QDF_DP_TRACE_ARP_PACKET_RECORD, |
| 1269 | session_id, (skb->data + QDF_NBUF_SRC_MAC_OFFSET), |
| 1270 | (skb->data + QDF_NBUF_DEST_MAC_OFFSET), |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1271 | QDF_PROTO_TYPE_ARP, proto_subtype, dir)); |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1272 | if (QDF_TX == dir) |
| 1273 | QDF_NBUF_CB_TX_DP_TRACE(skb) = 1; |
| 1274 | else if (QDF_RX == dir) |
| 1275 | QDF_NBUF_CB_RX_DP_TRACE(skb) = 1; |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1276 | return true; |
| 1277 | } |
| 1278 | return false; |
| 1279 | } |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1280 | |
| 1281 | /** |
| 1282 | * qdf_dp_trace_log_pkt() - log packet type enabled through iwpriv |
| 1283 | * @session_id: vdev_id |
| 1284 | * @skb: skb pointer |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1285 | * @dir: direction |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1286 | * |
| 1287 | * Return: none |
| 1288 | */ |
| 1289 | void qdf_dp_trace_log_pkt(uint8_t session_id, struct sk_buff *skb, |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1290 | enum qdf_proto_dir dir) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1291 | { |
| 1292 | if (qdf_dp_get_proto_bitmap()) { |
| 1293 | if (qdf_log_arp_pkt(session_id, |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1294 | skb, dir) == false) { |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1295 | if (qdf_log_dhcp_pkt(session_id, |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1296 | skb, dir) == false) { |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1297 | if (qdf_log_eapol_pkt(session_id, |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1298 | skb, dir) == false) { |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1299 | return; |
| 1300 | } |
| 1301 | } |
| 1302 | } |
| 1303 | } |
| 1304 | } |
| 1305 | EXPORT_SYMBOL(qdf_dp_trace_log_pkt); |
| 1306 | |
| 1307 | /** |
Nirav Shah | 31d694b | 2016-05-03 20:18:22 +0530 | [diff] [blame] | 1308 | * qdf_dp_display_mgmt_pkt() - display proto packet |
| 1309 | * @record: dptrace record |
| 1310 | * @index: index |
| 1311 | * |
| 1312 | * Return: none |
| 1313 | */ |
| 1314 | void qdf_dp_display_mgmt_pkt(struct qdf_dp_trace_record_s *record, |
| 1315 | uint16_t index) |
| 1316 | { |
| 1317 | struct qdf_dp_trace_mgmt_buf *buf = |
| 1318 | (struct qdf_dp_trace_mgmt_buf *)record->data; |
| 1319 | |
| 1320 | qdf_print("DPT: %04d: %012llu: %s vdev_id %d", index, |
| 1321 | record->time, qdf_dp_code_to_string(record->code), |
| 1322 | buf->vdev_id); |
| 1323 | qdf_print("DPT: Type %s Subtype %s", qdf_dp_type_to_str(buf->type), |
| 1324 | qdf_dp_subtype_to_str(buf->subtype)); |
| 1325 | } |
| 1326 | EXPORT_SYMBOL(qdf_dp_display_mgmt_pkt); |
| 1327 | |
| 1328 | /** |
| 1329 | * qdf_dp_trace_mgmt_pkt() - record mgmt packet |
| 1330 | * @code: dptrace code |
| 1331 | * @vdev_id: vdev id |
| 1332 | * @type: proto type |
| 1333 | * @subtype: proto subtype |
| 1334 | * |
| 1335 | * Return: none |
| 1336 | */ |
| 1337 | void qdf_dp_trace_mgmt_pkt(enum QDF_DP_TRACE_ID code, uint8_t vdev_id, |
| 1338 | enum qdf_proto_type type, enum qdf_proto_subtype subtype) |
| 1339 | { |
| 1340 | struct qdf_dp_trace_mgmt_buf buf; |
| 1341 | int buf_size = sizeof(struct qdf_dp_trace_mgmt_buf); |
| 1342 | |
| 1343 | if (qdf_dp_enable_check(NULL, code, QDF_NA) == false) |
| 1344 | return; |
| 1345 | |
| 1346 | if (buf_size > QDF_DP_TRACE_RECORD_SIZE) |
| 1347 | QDF_BUG(0); |
| 1348 | |
| 1349 | buf.type = type; |
| 1350 | buf.subtype = subtype; |
| 1351 | buf.vdev_id = vdev_id; |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1352 | qdf_dp_add_record(code, (uint8_t *)&buf, buf_size, true); |
Nirav Shah | 31d694b | 2016-05-03 20:18:22 +0530 | [diff] [blame] | 1353 | } |
| 1354 | EXPORT_SYMBOL(qdf_dp_trace_mgmt_pkt); |
| 1355 | |
| 1356 | |
| 1357 | /** |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1358 | * qdf_dp_display_proto_pkt() - display proto packet |
| 1359 | * @record: dptrace record |
| 1360 | * @index: index |
| 1361 | * |
| 1362 | * Return: none |
| 1363 | */ |
| 1364 | void qdf_dp_display_proto_pkt(struct qdf_dp_trace_record_s *record, |
| 1365 | uint16_t index) |
| 1366 | { |
| 1367 | struct qdf_dp_trace_proto_buf *buf = |
| 1368 | (struct qdf_dp_trace_proto_buf *)record->data; |
| 1369 | |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1370 | qdf_print("DPT: %04d: %012llu: %s vdev_id %d", index, |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1371 | record->time, qdf_dp_code_to_string(record->code), |
| 1372 | buf->vdev_id); |
Anurag Chouhan | 61d118e | 2016-07-20 18:43:18 +0530 | [diff] [blame] | 1373 | qdf_print("DPT: SA: " QDF_MAC_ADDRESS_STR " %s DA: " |
| 1374 | QDF_MAC_ADDRESS_STR " Type %s Subtype %s", |
| 1375 | QDF_MAC_ADDR_ARRAY(buf->sa.bytes), qdf_dp_dir_to_str(buf->dir), |
| 1376 | QDF_MAC_ADDR_ARRAY(buf->da.bytes), |
| 1377 | qdf_dp_type_to_str(buf->type), |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1378 | qdf_dp_subtype_to_str(buf->subtype)); |
| 1379 | } |
| 1380 | EXPORT_SYMBOL(qdf_dp_display_proto_pkt); |
| 1381 | |
| 1382 | /** |
| 1383 | * qdf_dp_trace_proto_pkt() - record proto packet |
| 1384 | * @code: dptrace code |
| 1385 | * @vdev_id: vdev id |
| 1386 | * @sa: source mac address |
| 1387 | * @da: destination mac address |
| 1388 | * @type: proto type |
| 1389 | * @subtype: proto subtype |
| 1390 | * @dir: direction |
| 1391 | * |
| 1392 | * Return: none |
| 1393 | */ |
| 1394 | void qdf_dp_trace_proto_pkt(enum QDF_DP_TRACE_ID code, uint8_t vdev_id, |
| 1395 | uint8_t *sa, uint8_t *da, enum qdf_proto_type type, |
| 1396 | enum qdf_proto_subtype subtype, enum qdf_proto_dir dir) |
| 1397 | { |
| 1398 | struct qdf_dp_trace_proto_buf buf; |
| 1399 | int buf_size = sizeof(struct qdf_dp_trace_ptr_buf); |
| 1400 | |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1401 | if (qdf_dp_enable_check(NULL, code, dir) == false) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1402 | return; |
| 1403 | |
| 1404 | if (buf_size > QDF_DP_TRACE_RECORD_SIZE) |
| 1405 | QDF_BUG(0); |
| 1406 | |
| 1407 | memcpy(&buf.sa, sa, QDF_NET_ETH_LEN); |
| 1408 | memcpy(&buf.da, da, QDF_NET_ETH_LEN); |
| 1409 | buf.dir = dir; |
| 1410 | buf.type = type; |
| 1411 | buf.subtype = subtype; |
| 1412 | buf.vdev_id = vdev_id; |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1413 | qdf_dp_add_record(code, (uint8_t *)&buf, buf_size, true); |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1414 | } |
| 1415 | EXPORT_SYMBOL(qdf_dp_trace_proto_pkt); |
| 1416 | |
| 1417 | /** |
| 1418 | * qdf_dp_display_ptr_record() - display record |
| 1419 | * @record: dptrace record |
| 1420 | * @index: index |
| 1421 | * |
| 1422 | * Return: none |
| 1423 | */ |
| 1424 | void qdf_dp_display_ptr_record(struct qdf_dp_trace_record_s *record, |
| 1425 | uint16_t index) |
| 1426 | { |
| 1427 | struct qdf_dp_trace_ptr_buf *buf = |
| 1428 | (struct qdf_dp_trace_ptr_buf *)record->data; |
| 1429 | |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1430 | if (record->code == QDF_DP_TRACE_FREE_PACKET_PTR_RECORD) |
| 1431 | qdf_print("DPT: %04d: %012llu: %s msdu_id: %d, status: %d", |
| 1432 | index, record->time, |
| 1433 | qdf_dp_code_to_string(record->code), buf->msdu_id, |
| 1434 | buf->status); |
| 1435 | else |
| 1436 | qdf_print("DPT: %04d: %012llu: %s msdu_id: %d, vdev_id: %d", |
| 1437 | index, |
| 1438 | record->time, qdf_dp_code_to_string(record->code), |
| 1439 | buf->msdu_id, buf->status); |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1440 | dump_hex_trace("cookie", (uint8_t *)&buf->cookie, sizeof(buf->cookie)); |
| 1441 | } |
| 1442 | EXPORT_SYMBOL(qdf_dp_display_ptr_record); |
| 1443 | |
| 1444 | /** |
| 1445 | * qdf_dp_trace_ptr() - record dptrace |
| 1446 | * @code: dptrace code |
| 1447 | * @data: data |
| 1448 | * @size: size of data |
| 1449 | * @msdu_id: msdu_id |
| 1450 | * @status: return status |
| 1451 | * |
| 1452 | * Return: none |
| 1453 | */ |
| 1454 | void qdf_dp_trace_ptr(qdf_nbuf_t nbuf, enum QDF_DP_TRACE_ID code, |
| 1455 | uint8_t *data, uint8_t size, uint16_t msdu_id, uint16_t status) |
| 1456 | { |
| 1457 | struct qdf_dp_trace_ptr_buf buf; |
| 1458 | int buf_size = sizeof(struct qdf_dp_trace_ptr_buf); |
| 1459 | |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1460 | if (qdf_dp_enable_check(nbuf, code, QDF_TX) == false) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1461 | return; |
| 1462 | |
| 1463 | if (buf_size > QDF_DP_TRACE_RECORD_SIZE) |
| 1464 | QDF_BUG(0); |
| 1465 | |
| 1466 | qdf_mem_copy(&buf.cookie, data, size); |
| 1467 | buf.msdu_id = msdu_id; |
| 1468 | buf.status = status; |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1469 | qdf_dp_add_record(code, (uint8_t *)&buf, buf_size, false); |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1470 | } |
| 1471 | EXPORT_SYMBOL(qdf_dp_trace_ptr); |
| 1472 | |
| 1473 | /** |
| 1474 | * qdf_dp_display_trace() - Displays a record in DP trace |
| 1475 | * @pRecord : pointer to a record in DP trace |
| 1476 | * @recIndex : record index |
| 1477 | * |
| 1478 | * Return: None |
| 1479 | */ |
| 1480 | void qdf_dp_display_record(struct qdf_dp_trace_record_s *pRecord, |
| 1481 | uint16_t recIndex) |
| 1482 | { |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1483 | qdf_print("DPT: %04d: %012llu: %s", recIndex, |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1484 | pRecord->time, qdf_dp_code_to_string(pRecord->code)); |
| 1485 | switch (pRecord->code) { |
| 1486 | case QDF_DP_TRACE_HDD_TX_TIMEOUT: |
| 1487 | QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR, |
| 1488 | "HDD TX Timeout\n"); |
| 1489 | break; |
| 1490 | case QDF_DP_TRACE_HDD_SOFTAP_TX_TIMEOUT: |
| 1491 | QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR, |
| 1492 | "HDD SoftAP TX Timeout\n"); |
| 1493 | break; |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1494 | case QDF_DP_TRACE_HDD_TX_PACKET_RECORD: |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1495 | dump_hex_trace("DATA", pRecord->data, pRecord->size); |
| 1496 | break; |
| 1497 | default: |
| 1498 | dump_hex_trace("cookie", pRecord->data, pRecord->size); |
| 1499 | } |
| 1500 | } |
| 1501 | EXPORT_SYMBOL(qdf_dp_display_record); |
| 1502 | |
| 1503 | |
| 1504 | /** |
| 1505 | * qdf_dp_trace() - Stores the data in buffer |
| 1506 | * @nbuf : defines the netbuf |
| 1507 | * @code : defines the event |
| 1508 | * @data : defines the data to be stored |
| 1509 | * @size : defines the size of the data record |
| 1510 | * |
| 1511 | * Return: None |
| 1512 | */ |
| 1513 | void qdf_dp_trace(qdf_nbuf_t nbuf, enum QDF_DP_TRACE_ID code, |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1514 | uint8_t *data, uint8_t size, enum qdf_proto_dir dir) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1515 | { |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1516 | |
| 1517 | if (qdf_dp_enable_check(nbuf, code, dir) == false) |
Nirav Shah | eaa20d8 | 2016-04-25 18:01:05 +0530 | [diff] [blame] | 1518 | return; |
| 1519 | |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1520 | qdf_dp_add_record(code, data, size, false); |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1521 | } |
| 1522 | EXPORT_SYMBOL(qdf_dp_trace); |
| 1523 | |
| 1524 | /** |
| 1525 | * qdf_dp_trace_spin_lock_init() - initializes the lock variable before use |
| 1526 | * This function will be called from cds_alloc_global_context, we will have lock |
| 1527 | * available to use ASAP |
| 1528 | * |
| 1529 | * Return: None |
| 1530 | */ |
| 1531 | void qdf_dp_trace_spin_lock_init(void) |
| 1532 | { |
| 1533 | spin_lock_init(&l_dp_trace_lock); |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1534 | } |
| 1535 | EXPORT_SYMBOL(qdf_dp_trace_spin_lock_init); |
| 1536 | |
| 1537 | /** |
Nirav Shah | 29beae0 | 2016-04-26 22:58:54 +0530 | [diff] [blame] | 1538 | * qdf_dp_trace_enable_live_mode() - enable live mode for dptrace |
| 1539 | * |
| 1540 | * Return: none |
| 1541 | */ |
| 1542 | void qdf_dp_trace_enable_live_mode(void) |
| 1543 | { |
| 1544 | g_qdf_dp_trace_data.live_mode = 1; |
| 1545 | |
| 1546 | } |
| 1547 | EXPORT_SYMBOL(qdf_dp_trace_enable_live_mode); |
| 1548 | |
| 1549 | |
| 1550 | /** |
Nirav Shah | cede289 | 2016-05-19 12:41:15 +0530 | [diff] [blame] | 1551 | * qdf_dp_trace_clear_buffer() - clear dp trace buffer |
| 1552 | * |
| 1553 | * Return: none |
| 1554 | */ |
| 1555 | void qdf_dp_trace_clear_buffer(void) |
| 1556 | { |
| 1557 | g_qdf_dp_trace_data.head = INVALID_QDF_DP_TRACE_ADDR; |
| 1558 | g_qdf_dp_trace_data.tail = INVALID_QDF_DP_TRACE_ADDR; |
| 1559 | g_qdf_dp_trace_data.num = 0; |
| 1560 | g_qdf_dp_trace_data.proto_bitmap = QDF_NBUF_PKT_TRAC_TYPE_EAPOL | |
| 1561 | QDF_NBUF_PKT_TRAC_TYPE_DHCP | QDF_NBUF_PKT_TRAC_TYPE_MGMT_ACTION; |
| 1562 | g_qdf_dp_trace_data.no_of_record = 0; |
| 1563 | g_qdf_dp_trace_data.verbosity = QDF_DP_TRACE_VERBOSITY_LOW; |
| 1564 | g_qdf_dp_trace_data.enable = true; |
| 1565 | |
| 1566 | memset(g_qdf_dp_trace_tbl, 0, |
| 1567 | MAX_QDF_DP_TRACE_RECORDS * sizeof(struct qdf_dp_trace_record_s)); |
| 1568 | } |
| 1569 | EXPORT_SYMBOL(qdf_dp_trace_clear_buffer); |
| 1570 | |
| 1571 | /** |
Chouhan, Anurag | 5776318 | 2016-03-03 18:57:27 +0530 | [diff] [blame] | 1572 | * qdf_dp_trace_dump_all() - Dump data from ring buffer via call back functions |
| 1573 | * registered with QDF |
| 1574 | * @code: Reason code |
| 1575 | * @count: Number of lines to dump starting from tail to head |
| 1576 | * |
| 1577 | * Return: None |
| 1578 | */ |
| 1579 | void qdf_dp_trace_dump_all(uint32_t count) |
| 1580 | { |
| 1581 | struct qdf_dp_trace_record_s p_record; |
| 1582 | int32_t i, tail; |
| 1583 | |
| 1584 | if (!g_qdf_dp_trace_data.enable) { |
| 1585 | QDF_TRACE(QDF_MODULE_ID_SYS, |
| 1586 | QDF_TRACE_LEVEL_ERROR, "Tracing Disabled"); |
| 1587 | return; |
| 1588 | } |
| 1589 | |
| 1590 | QDF_TRACE(QDF_MODULE_ID_SYS, QDF_TRACE_LEVEL_ERROR, |
| 1591 | "Total Records: %d, Head: %d, Tail: %d", |
| 1592 | g_qdf_dp_trace_data.num, g_qdf_dp_trace_data.head, |
| 1593 | g_qdf_dp_trace_data.tail); |
| 1594 | |
| 1595 | /* aquire the lock so that only one thread at a time can read |
| 1596 | * the ring buffer |
| 1597 | */ |
| 1598 | spin_lock_bh(&l_dp_trace_lock); |
| 1599 | |
| 1600 | if (g_qdf_dp_trace_data.head != INVALID_QDF_DP_TRACE_ADDR) { |
| 1601 | i = g_qdf_dp_trace_data.head; |
| 1602 | tail = g_qdf_dp_trace_data.tail; |
| 1603 | |
| 1604 | if (count) { |
| 1605 | if (count > g_qdf_dp_trace_data.num) |
| 1606 | count = g_qdf_dp_trace_data.num; |
| 1607 | if (tail >= (count - 1)) |
| 1608 | i = tail - count + 1; |
| 1609 | else if (count != MAX_QDF_DP_TRACE_RECORDS) |
| 1610 | i = MAX_QDF_DP_TRACE_RECORDS - ((count - 1) - |
| 1611 | tail); |
| 1612 | } |
| 1613 | |
| 1614 | p_record = g_qdf_dp_trace_tbl[i]; |
| 1615 | spin_unlock_bh(&l_dp_trace_lock); |
| 1616 | for (;; ) { |
| 1617 | |
| 1618 | qdf_dp_trace_cb_table[p_record. |
| 1619 | code] (&p_record, (uint16_t)i); |
| 1620 | if (i == tail) |
| 1621 | break; |
| 1622 | i += 1; |
| 1623 | |
| 1624 | spin_lock_bh(&l_dp_trace_lock); |
| 1625 | if (MAX_QDF_DP_TRACE_RECORDS == i) |
| 1626 | i = 0; |
| 1627 | |
| 1628 | p_record = g_qdf_dp_trace_tbl[i]; |
| 1629 | spin_unlock_bh(&l_dp_trace_lock); |
| 1630 | } |
| 1631 | } else { |
| 1632 | spin_unlock_bh(&l_dp_trace_lock); |
| 1633 | } |
| 1634 | } |
| 1635 | EXPORT_SYMBOL(qdf_dp_trace_dump_all); |
Nirav Shah | ae6a0b3 | 2016-04-26 11:44:42 +0530 | [diff] [blame] | 1636 | #endif |