Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1 | /* |
Kiet Lam | aa8e15a | 2014-02-11 23:30:06 -0800 | [diff] [blame^] | 2 | * Copyright (c) 2012-2013 Qualcomm Atheros, Inc. |
| 3 | * All Rights Reserved. |
| 4 | * Qualcomm Atheros Confidential and Proprietary. |
Gopichand Nakkala | 92f07d8 | 2013-01-08 21:16:34 -0800 | [diff] [blame] | 5 | */ |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 6 | /*=========================================================================== |
| 7 | @file vos_sched.c |
| 8 | @brief VOS Scheduler Implementation |
| 9 | |
| 10 | Copyright (c) 2011 QUALCOMM Incorporated. |
| 11 | All Rights Reserved. |
| 12 | Qualcomm Confidential and Proprietary |
| 13 | ===========================================================================*/ |
| 14 | /*=========================================================================== |
| 15 | EDIT HISTORY FOR FILE |
| 16 | |
| 17 | This section contains comments describing changes made to the module. |
| 18 | Notice that changes are listed in reverse chronological order. |
| 19 | |
| 20 | $Header:$ $DateTime: $ $Author: $ |
| 21 | |
| 22 | when who what, where, why |
| 23 | -------- --- -------------------------------------------------------- |
| 24 | ===========================================================================*/ |
| 25 | /*--------------------------------------------------------------------------- |
| 26 | * Include Files |
| 27 | * ------------------------------------------------------------------------*/ |
| 28 | #include <vos_mq.h> |
| 29 | #include <vos_api.h> |
| 30 | #include <aniGlobal.h> |
| 31 | #include <sirTypes.h> |
| 32 | #include <halTypes.h> |
| 33 | #include <limApi.h> |
| 34 | #include <sme_Api.h> |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 35 | #include <wlan_qct_sys.h> |
| 36 | #include <wlan_qct_tl.h> |
| 37 | #include "vos_sched.h" |
| 38 | #include <wlan_hdd_power.h> |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 39 | #include "wlan_qct_wda.h" |
| 40 | #include "wlan_qct_pal_msg.h" |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 41 | #include <linux/spinlock.h> |
| 42 | #include <linux/kthread.h> |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 43 | /*--------------------------------------------------------------------------- |
| 44 | * Preprocessor Definitions and Constants |
| 45 | * ------------------------------------------------------------------------*/ |
| 46 | #define VOS_SCHED_THREAD_HEART_BEAT INFINITE |
| 47 | /*--------------------------------------------------------------------------- |
| 48 | * Type Declarations |
| 49 | * ------------------------------------------------------------------------*/ |
| 50 | /*--------------------------------------------------------------------------- |
| 51 | * Data definitions |
| 52 | * ------------------------------------------------------------------------*/ |
| 53 | static pVosSchedContext gpVosSchedContext; |
Madan Mohan Koyyalamudi | dfd6aa8 | 2012-10-18 20:18:43 -0700 | [diff] [blame] | 54 | static pVosWatchdogContext gpVosWatchdogContext; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 55 | |
| 56 | /*--------------------------------------------------------------------------- |
| 57 | * Forward declaration |
| 58 | * ------------------------------------------------------------------------*/ |
Jeff Johnson | 2f5cfec | 2013-02-22 21:25:10 -0800 | [diff] [blame] | 59 | static int VosMCThread(void *Arg); |
| 60 | static int VosWDThread(void *Arg); |
| 61 | static int VosTXThread(void *Arg); |
| 62 | static int VosRXThread(void *Arg); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 63 | void vos_sched_flush_rx_mqs(pVosSchedContext SchedContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 64 | extern v_VOID_t vos_core_return_msg(v_PVOID_t pVContext, pVosMsgWrapper pMsgWrapper); |
| 65 | /*--------------------------------------------------------------------------- |
| 66 | * External Function implementation |
| 67 | * ------------------------------------------------------------------------*/ |
| 68 | |
| 69 | /*--------------------------------------------------------------------------- |
| 70 | \brief vos_sched_open() - initialize the vOSS Scheduler |
| 71 | The \a vos_sched_open() function initializes the vOSS Scheduler |
| 72 | Upon successful initialization: |
| 73 | - All the message queues are initialized |
| 74 | - The Main Controller thread is created and ready to receive and |
| 75 | dispatch messages. |
| 76 | - The Tx thread is created and ready to receive and dispatch messages |
| 77 | |
| 78 | \param pVosContext - pointer to the global vOSS Context |
| 79 | \param pVosSchedContext - pointer to a previously allocated buffer big |
| 80 | enough to hold a scheduler context. |
| 81 | \return VOS_STATUS_SUCCESS - Scheduler was successfully initialized and |
| 82 | is ready to be used. |
| 83 | VOS_STATUS_E_RESOURCES - System resources (other than memory) |
| 84 | are unavailable to initilize the scheduler |
| 85 | VOS_STATUS_E_NOMEM - insufficient memory exists to initialize |
| 86 | the scheduler |
| 87 | VOS_STATUS_E_INVAL - Invalid parameter passed to the scheduler Open |
| 88 | function |
| 89 | VOS_STATUS_E_FAILURE - Failure to initialize the scheduler/ |
| 90 | \sa vos_sched_open() |
| 91 | -------------------------------------------------------------------------*/ |
| 92 | VOS_STATUS |
| 93 | vos_sched_open |
| 94 | ( |
| 95 | v_PVOID_t pVosContext, |
| 96 | pVosSchedContext pSchedContext, |
| 97 | v_SIZE_t SchedCtxSize |
| 98 | ) |
| 99 | { |
| 100 | VOS_STATUS vStatus = VOS_STATUS_SUCCESS; |
| 101 | /*-------------------------------------------------------------------------*/ |
| 102 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 103 | "%s: Opening the VOSS Scheduler",__func__); |
| 104 | // Sanity checks |
| 105 | if ((pVosContext == NULL) || (pSchedContext == NULL)) { |
| 106 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 107 | "%s: Null params being passed",__func__); |
| 108 | return VOS_STATUS_E_FAILURE; |
| 109 | } |
| 110 | if (sizeof(VosSchedContext) != SchedCtxSize) |
| 111 | { |
| 112 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 113 | "%s: Incorrect VOS Sched Context size passed",__func__); |
| 114 | return VOS_STATUS_E_INVAL; |
| 115 | } |
| 116 | vos_mem_zero(pSchedContext, sizeof(VosSchedContext)); |
| 117 | pSchedContext->pVContext = pVosContext; |
| 118 | vStatus = vos_sched_init_mqs(pSchedContext); |
| 119 | if (!VOS_IS_STATUS_SUCCESS(vStatus)) |
| 120 | { |
| 121 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 122 | "%s: Failed to initialize VOS Scheduler MQs",__func__); |
| 123 | return vStatus; |
| 124 | } |
| 125 | // Initialize the helper events and event queues |
| 126 | init_completion(&pSchedContext->McStartEvent); |
| 127 | init_completion(&pSchedContext->TxStartEvent); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 128 | init_completion(&pSchedContext->RxStartEvent); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 129 | init_completion(&pSchedContext->McShutdown); |
| 130 | init_completion(&pSchedContext->TxShutdown); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 131 | init_completion(&pSchedContext->RxShutdown); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 132 | init_completion(&pSchedContext->ResumeMcEvent); |
| 133 | init_completion(&pSchedContext->ResumeTxEvent); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 134 | init_completion(&pSchedContext->ResumeRxEvent); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 135 | |
| 136 | spin_lock_init(&pSchedContext->McThreadLock); |
| 137 | spin_lock_init(&pSchedContext->TxThreadLock); |
| 138 | spin_lock_init(&pSchedContext->RxThreadLock); |
| 139 | |
| 140 | init_waitqueue_head(&pSchedContext->mcWaitQueue); |
| 141 | pSchedContext->mcEventFlag = 0; |
| 142 | init_waitqueue_head(&pSchedContext->txWaitQueue); |
| 143 | pSchedContext->txEventFlag= 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 144 | init_waitqueue_head(&pSchedContext->rxWaitQueue); |
| 145 | pSchedContext->rxEventFlag= 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 146 | /* |
Jeff Johnson | 2f5cfec | 2013-02-22 21:25:10 -0800 | [diff] [blame] | 147 | ** This initialization is critical as the threads will later access the |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 148 | ** global contexts normally, |
| 149 | ** |
| 150 | ** I shall put some memory barrier here after the next piece of code but |
| 151 | ** I am keeping it simple for now. |
| 152 | */ |
| 153 | gpVosSchedContext = pSchedContext; |
| 154 | |
| 155 | //Create the VOSS Main Controller thread |
| 156 | pSchedContext->McThread = kthread_create(VosMCThread, pSchedContext, |
| 157 | "VosMCThread"); |
| 158 | if (IS_ERR(pSchedContext->McThread)) |
| 159 | { |
| 160 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 161 | "%s: Could not Create VOSS Main Thread Controller",__func__); |
| 162 | goto MC_THREAD_START_FAILURE; |
| 163 | } |
| 164 | wake_up_process(pSchedContext->McThread); |
| 165 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 166 | "%s: VOSS Main Controller thread Created",__func__); |
| 167 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 168 | pSchedContext->TxThread = kthread_create(VosTXThread, pSchedContext, |
| 169 | "VosTXThread"); |
| 170 | if (IS_ERR(pSchedContext->TxThread)) |
| 171 | { |
| 172 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 173 | "%s: Could not Create VOSS TX Thread",__func__); |
| 174 | goto TX_THREAD_START_FAILURE; |
| 175 | } |
| 176 | wake_up_process(pSchedContext->TxThread); |
| 177 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
Arif Hussain | 0288240 | 2013-11-17 21:55:29 -0800 | [diff] [blame] | 178 | ("VOSS TX thread Created")); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 179 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 180 | pSchedContext->RxThread = kthread_create(VosRXThread, pSchedContext, |
| 181 | "VosRXThread"); |
| 182 | if (IS_ERR(pSchedContext->RxThread)) |
| 183 | { |
| 184 | |
| 185 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 186 | "%s: Could not Create VOSS RX Thread",__func__); |
| 187 | goto RX_THREAD_START_FAILURE; |
| 188 | |
| 189 | } |
| 190 | wake_up_process(pSchedContext->RxThread); |
| 191 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
Arif Hussain | 0288240 | 2013-11-17 21:55:29 -0800 | [diff] [blame] | 192 | ("VOSS RX thread Created")); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 193 | |
| 194 | /* |
| 195 | ** Now make sure all threads have started before we exit. |
| 196 | ** Each thread should normally ACK back when it starts. |
| 197 | */ |
| 198 | wait_for_completion_interruptible(&pSchedContext->McStartEvent); |
| 199 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 200 | "%s: VOSS MC Thread has started",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 201 | wait_for_completion_interruptible(&pSchedContext->TxStartEvent); |
| 202 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 203 | "%s: VOSS Tx Thread has started",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 204 | wait_for_completion_interruptible(&pSchedContext->RxStartEvent); |
| 205 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 206 | "%s: VOSS Rx Thread has started",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 207 | |
| 208 | /* |
| 209 | ** We're good now: Let's get the ball rolling!!! |
| 210 | */ |
| 211 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 212 | "%s: VOSS Scheduler successfully Opened",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 213 | return VOS_STATUS_SUCCESS; |
| 214 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 215 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 216 | RX_THREAD_START_FAILURE: |
| 217 | //Try and force the Tx thread controller to exit |
| 218 | set_bit(MC_SHUTDOWN_EVENT_MASK, &pSchedContext->txEventFlag); |
| 219 | set_bit(MC_POST_EVENT_MASK, &pSchedContext->txEventFlag); |
| 220 | wake_up_interruptible(&pSchedContext->txWaitQueue); |
| 221 | //Wait for TX to exit |
| 222 | wait_for_completion_interruptible(&pSchedContext->TxShutdown); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 223 | |
| 224 | TX_THREAD_START_FAILURE: |
| 225 | //Try and force the Main thread controller to exit |
| 226 | set_bit(MC_SHUTDOWN_EVENT_MASK, &pSchedContext->mcEventFlag); |
| 227 | set_bit(MC_POST_EVENT_MASK, &pSchedContext->mcEventFlag); |
| 228 | wake_up_interruptible(&pSchedContext->mcWaitQueue); |
| 229 | //Wait for MC to exit |
| 230 | wait_for_completion_interruptible(&pSchedContext->McShutdown); |
| 231 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 232 | MC_THREAD_START_FAILURE: |
| 233 | //De-initialize all the message queues |
| 234 | vos_sched_deinit_mqs(pSchedContext); |
| 235 | return VOS_STATUS_E_RESOURCES; |
| 236 | |
| 237 | } /* vos_sched_open() */ |
| 238 | |
| 239 | VOS_STATUS vos_watchdog_open |
| 240 | ( |
| 241 | v_PVOID_t pVosContext, |
| 242 | pVosWatchdogContext pWdContext, |
| 243 | v_SIZE_t wdCtxSize |
| 244 | ) |
| 245 | { |
| 246 | /*-------------------------------------------------------------------------*/ |
| 247 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 248 | "%s: Opening the VOSS Watchdog module",__func__); |
| 249 | //Sanity checks |
| 250 | if ((pVosContext == NULL) || (pWdContext == NULL)) { |
| 251 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 252 | "%s: Null params being passed",__func__); |
| 253 | return VOS_STATUS_E_FAILURE; |
| 254 | } |
| 255 | if (sizeof(VosWatchdogContext) != wdCtxSize) |
| 256 | { |
| 257 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 258 | "%s: Incorrect VOS Watchdog Context size passed",__func__); |
| 259 | return VOS_STATUS_E_INVAL; |
| 260 | } |
| 261 | vos_mem_zero(pWdContext, sizeof(VosWatchdogContext)); |
| 262 | pWdContext->pVContext = pVosContext; |
| 263 | gpVosWatchdogContext = pWdContext; |
| 264 | |
| 265 | //Initialize the helper events and event queues |
| 266 | init_completion(&pWdContext->WdStartEvent); |
| 267 | init_completion(&pWdContext->WdShutdown); |
| 268 | init_waitqueue_head(&pWdContext->wdWaitQueue); |
| 269 | pWdContext->wdEventFlag = 0; |
| 270 | |
| 271 | // Initialize the lock |
| 272 | spin_lock_init(&pWdContext->wdLock); |
| 273 | |
| 274 | //Create the Watchdog thread |
| 275 | pWdContext->WdThread = kthread_create(VosWDThread, pWdContext,"VosWDThread"); |
| 276 | |
| 277 | if (IS_ERR(pWdContext->WdThread)) |
| 278 | { |
| 279 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 280 | "%s: Could not Create Watchdog thread",__func__); |
| 281 | return VOS_STATUS_E_RESOURCES; |
| 282 | } |
| 283 | else |
| 284 | { |
| 285 | wake_up_process(pWdContext->WdThread); |
| 286 | } |
| 287 | /* |
| 288 | ** Now make sure thread has started before we exit. |
| 289 | ** Each thread should normally ACK back when it starts. |
| 290 | */ |
| 291 | wait_for_completion_interruptible(&pWdContext->WdStartEvent); |
| 292 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 293 | "%s: VOSS Watchdog Thread has started",__func__); |
| 294 | return VOS_STATUS_SUCCESS; |
| 295 | } /* vos_watchdog_open() */ |
| 296 | /*--------------------------------------------------------------------------- |
| 297 | \brief VosMcThread() - The VOSS Main Controller thread |
| 298 | The \a VosMcThread() is the VOSS main controller thread: |
| 299 | \param Arg - pointer to the global vOSS Sched Context |
| 300 | \return Thread exit code |
| 301 | \sa VosMcThread() |
| 302 | -------------------------------------------------------------------------*/ |
| 303 | static int |
| 304 | VosMCThread |
| 305 | ( |
| 306 | void * Arg |
| 307 | ) |
| 308 | { |
| 309 | pVosSchedContext pSchedContext = (pVosSchedContext)Arg; |
| 310 | pVosMsgWrapper pMsgWrapper = NULL; |
| 311 | tpAniSirGlobal pMacContext = NULL; |
| 312 | tSirRetStatus macStatus = eSIR_SUCCESS; |
| 313 | VOS_STATUS vStatus = VOS_STATUS_SUCCESS; |
| 314 | int retWaitStatus = 0; |
| 315 | v_BOOL_t shutdown = VOS_FALSE; |
| 316 | hdd_context_t *pHddCtx = NULL; |
| 317 | v_CONTEXT_t pVosContext = NULL; |
| 318 | |
| 319 | if (Arg == NULL) |
| 320 | { |
| 321 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 322 | "%s: Bad Args passed", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 323 | return 0; |
| 324 | } |
| 325 | set_user_nice(current, -2); |
| 326 | |
Yue Ma | f49ba87 | 2013-08-19 12:04:25 -0700 | [diff] [blame] | 327 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 328 | daemonize("MC_Thread"); |
Yue Ma | f49ba87 | 2013-08-19 12:04:25 -0700 | [diff] [blame] | 329 | #endif |
| 330 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 331 | /* |
| 332 | ** Ack back to the context from which the main controller thread has been |
| 333 | ** created. |
| 334 | */ |
| 335 | complete(&pSchedContext->McStartEvent); |
| 336 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 337 | "%s: MC Thread %d (%s) starting up",__func__, current->pid, current->comm); |
| 338 | |
| 339 | /* Get the Global VOSS Context */ |
| 340 | pVosContext = vos_get_global_context(VOS_MODULE_ID_SYS, NULL); |
| 341 | if(!pVosContext) { |
| 342 | hddLog(VOS_TRACE_LEVEL_FATAL,"%s: Global VOS context is Null", __func__); |
| 343 | return 0; |
| 344 | } |
| 345 | |
| 346 | /* Get the HDD context */ |
| 347 | pHddCtx = (hdd_context_t *)vos_get_context(VOS_MODULE_ID_HDD, pVosContext ); |
| 348 | if(!pHddCtx) { |
| 349 | hddLog(VOS_TRACE_LEVEL_FATAL,"%s: HDD context is Null",__func__); |
| 350 | return 0; |
| 351 | } |
| 352 | |
| 353 | while(!shutdown) |
| 354 | { |
| 355 | // This implements the execution model algorithm |
| 356 | retWaitStatus = wait_event_interruptible(pSchedContext->mcWaitQueue, |
| 357 | test_bit(MC_POST_EVENT_MASK, &pSchedContext->mcEventFlag) || |
| 358 | test_bit(MC_SUSPEND_EVENT_MASK, &pSchedContext->mcEventFlag)); |
| 359 | |
| 360 | if(retWaitStatus == -ERESTARTSYS) |
| 361 | { |
| 362 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 363 | "%s: wait_event_interruptible returned -ERESTARTSYS", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 364 | break; |
| 365 | } |
| 366 | clear_bit(MC_POST_EVENT_MASK, &pSchedContext->mcEventFlag); |
| 367 | |
| 368 | while(1) |
| 369 | { |
| 370 | // Check if MC needs to shutdown |
| 371 | if(test_bit(MC_SHUTDOWN_EVENT_MASK, &pSchedContext->mcEventFlag)) |
| 372 | { |
| 373 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 374 | "%s: MC thread signaled to shutdown", __func__); |
| 375 | shutdown = VOS_TRUE; |
| 376 | /* Check for any Suspend Indication */ |
| 377 | if(test_bit(MC_SUSPEND_EVENT_MASK, &pSchedContext->mcEventFlag)) |
| 378 | { |
| 379 | clear_bit(MC_SUSPEND_EVENT_MASK, &pSchedContext->mcEventFlag); |
| 380 | |
| 381 | /* Unblock anyone waiting on suspend */ |
| 382 | complete(&pHddCtx->mc_sus_event_var); |
| 383 | } |
| 384 | break; |
| 385 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 386 | /* |
| 387 | ** Check the WDI queue |
| 388 | ** Service it till the entire queue is empty |
| 389 | */ |
| 390 | if (!vos_is_mq_empty(&pSchedContext->wdiMcMq)) |
| 391 | { |
| 392 | wpt_msg *pWdiMsg; |
| 393 | /* |
| 394 | ** Service the WDI message queue |
| 395 | */ |
| 396 | VOS_TRACE(VOS_MODULE_ID_WDI, VOS_TRACE_LEVEL_INFO, |
| 397 | ("Servicing the VOS MC WDI Message queue")); |
| 398 | |
| 399 | pMsgWrapper = vos_mq_get(&pSchedContext->wdiMcMq); |
Jeff Johnson | d13512a | 2012-07-17 11:42:19 -0700 | [diff] [blame] | 400 | |
| 401 | if (pMsgWrapper == NULL) |
| 402 | { |
| 403 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 404 | "%s: pMsgWrapper is NULL", __func__); |
Jeff Johnson | d13512a | 2012-07-17 11:42:19 -0700 | [diff] [blame] | 405 | VOS_ASSERT(0); |
| 406 | break; |
| 407 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 408 | |
| 409 | pWdiMsg = (wpt_msg *)pMsgWrapper->pVosMsg->bodyptr; |
Jeff Johnson | d13512a | 2012-07-17 11:42:19 -0700 | [diff] [blame] | 410 | |
| 411 | if(pWdiMsg == NULL || pWdiMsg->callback == NULL) |
| 412 | { |
| 413 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 414 | "%s: WDI Msg or Callback is NULL", __func__); |
Jeff Johnson | d13512a | 2012-07-17 11:42:19 -0700 | [diff] [blame] | 415 | VOS_ASSERT(0); |
| 416 | break; |
| 417 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 418 | |
| 419 | pWdiMsg->callback(pWdiMsg); |
| 420 | |
| 421 | /* |
| 422 | ** return message to the Core |
| 423 | */ |
| 424 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 425 | |
| 426 | continue; |
| 427 | } |
| 428 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 429 | // Check the SYS queue first |
| 430 | if (!vos_is_mq_empty(&pSchedContext->sysMcMq)) |
| 431 | { |
| 432 | // Service the SYS message queue |
| 433 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 434 | "%s: Servicing the VOS SYS MC Message queue",__func__); |
| 435 | pMsgWrapper = vos_mq_get(&pSchedContext->sysMcMq); |
| 436 | if (pMsgWrapper == NULL) |
| 437 | { |
| 438 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 439 | "%s: pMsgWrapper is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 440 | VOS_ASSERT(0); |
| 441 | break; |
| 442 | } |
| 443 | vStatus = sysMcProcessMsg(pSchedContext->pVContext, |
| 444 | pMsgWrapper->pVosMsg); |
| 445 | if (!VOS_IS_STATUS_SUCCESS(vStatus)) |
| 446 | { |
| 447 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 448 | "%s: Issue Processing SYS message",__func__); |
| 449 | } |
| 450 | //return message to the Core |
| 451 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 452 | continue; |
| 453 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 454 | // Check the WDA queue |
| 455 | if (!vos_is_mq_empty(&pSchedContext->wdaMcMq)) |
| 456 | { |
| 457 | // Service the WDA message queue |
| 458 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 459 | "%s: Servicing the VOS WDA MC Message queue",__func__); |
| 460 | pMsgWrapper = vos_mq_get(&pSchedContext->wdaMcMq); |
| 461 | if (pMsgWrapper == NULL) |
| 462 | { |
| 463 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 464 | "%s: pMsgWrapper is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 465 | VOS_ASSERT(0); |
| 466 | break; |
| 467 | } |
| 468 | vStatus = WDA_McProcessMsg( pSchedContext->pVContext, pMsgWrapper->pVosMsg); |
| 469 | if (!VOS_IS_STATUS_SUCCESS(vStatus)) |
| 470 | { |
| 471 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 472 | "%s: Issue Processing WDA message",__func__); |
| 473 | } |
| 474 | // return message to the Core |
| 475 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 476 | continue; |
| 477 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 478 | // Check the PE queue |
| 479 | if (!vos_is_mq_empty(&pSchedContext->peMcMq)) |
| 480 | { |
| 481 | // Service the PE message queue |
| 482 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 483 | "%s: Servicing the VOS PE MC Message queue",__func__); |
| 484 | pMsgWrapper = vos_mq_get(&pSchedContext->peMcMq); |
| 485 | if (NULL == pMsgWrapper) |
| 486 | { |
| 487 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 488 | "%s: pMsgWrapper is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 489 | VOS_ASSERT(0); |
| 490 | break; |
| 491 | } |
| 492 | |
| 493 | /* Need some optimization*/ |
| 494 | pMacContext = vos_get_context(VOS_MODULE_ID_PE, pSchedContext->pVContext); |
| 495 | if (NULL == pMacContext) |
| 496 | { |
| 497 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 498 | "MAC Context not ready yet"); |
| 499 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 500 | continue; |
| 501 | } |
| 502 | |
| 503 | macStatus = peProcessMessages( pMacContext, (tSirMsgQ*)pMsgWrapper->pVosMsg); |
| 504 | if (eSIR_SUCCESS != macStatus) |
| 505 | { |
| 506 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 507 | "%s: Issue Processing PE message",__func__); |
| 508 | } |
| 509 | // return message to the Core |
| 510 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 511 | continue; |
| 512 | } |
| 513 | /** Check the SME queue **/ |
| 514 | if (!vos_is_mq_empty(&pSchedContext->smeMcMq)) |
| 515 | { |
| 516 | /* Service the SME message queue */ |
| 517 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 518 | "%s: Servicing the VOS SME MC Message queue",__func__); |
| 519 | pMsgWrapper = vos_mq_get(&pSchedContext->smeMcMq); |
| 520 | if (NULL == pMsgWrapper) |
| 521 | { |
| 522 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 523 | "%s: pMsgWrapper is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 524 | VOS_ASSERT(0); |
| 525 | break; |
| 526 | } |
| 527 | |
| 528 | /* Need some optimization*/ |
| 529 | pMacContext = vos_get_context(VOS_MODULE_ID_SME, pSchedContext->pVContext); |
| 530 | if (NULL == pMacContext) |
| 531 | { |
| 532 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 533 | "MAC Context not ready yet"); |
| 534 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 535 | continue; |
| 536 | } |
| 537 | |
| 538 | vStatus = sme_ProcessMsg( (tHalHandle)pMacContext, pMsgWrapper->pVosMsg); |
| 539 | if (!VOS_IS_STATUS_SUCCESS(vStatus)) |
| 540 | { |
| 541 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 542 | "%s: Issue Processing SME message",__func__); |
| 543 | } |
| 544 | // return message to the Core |
| 545 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 546 | continue; |
| 547 | } |
| 548 | /** Check the TL queue **/ |
| 549 | if (!vos_is_mq_empty(&pSchedContext->tlMcMq)) |
| 550 | { |
| 551 | // Service the TL message queue |
| 552 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 553 | ("Servicing the VOS TL MC Message queue")); |
| 554 | pMsgWrapper = vos_mq_get(&pSchedContext->tlMcMq); |
| 555 | if (pMsgWrapper == NULL) |
| 556 | { |
| 557 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 558 | "%s: pMsgWrapper is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 559 | VOS_ASSERT(0); |
| 560 | break; |
| 561 | } |
| 562 | vStatus = WLANTL_McProcessMsg( pSchedContext->pVContext, |
| 563 | pMsgWrapper->pVosMsg); |
| 564 | if (!VOS_IS_STATUS_SUCCESS(vStatus)) |
| 565 | { |
| 566 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 567 | "%s: Issue Processing TL message",__func__); |
| 568 | } |
| 569 | // return message to the Core |
| 570 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 571 | continue; |
| 572 | } |
| 573 | /* Check for any Suspend Indication */ |
| 574 | if(test_bit(MC_SUSPEND_EVENT_MASK, &pSchedContext->mcEventFlag)) |
| 575 | { |
| 576 | clear_bit(MC_SUSPEND_EVENT_MASK, &pSchedContext->mcEventFlag); |
| 577 | spin_lock(&pSchedContext->McThreadLock); |
| 578 | |
| 579 | /* Mc Thread Suspended */ |
| 580 | complete(&pHddCtx->mc_sus_event_var); |
| 581 | |
| 582 | INIT_COMPLETION(pSchedContext->ResumeMcEvent); |
| 583 | spin_unlock(&pSchedContext->McThreadLock); |
| 584 | |
| 585 | /* Wait foe Resume Indication */ |
| 586 | wait_for_completion_interruptible(&pSchedContext->ResumeMcEvent); |
| 587 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 588 | break; //All queues are empty now |
| 589 | } // while message loop processing |
| 590 | } // while TRUE |
| 591 | // If we get here the MC thread must exit |
| 592 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 593 | "%s: MC Thread exiting!!!!", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 594 | complete_and_exit(&pSchedContext->McShutdown, 0); |
| 595 | } /* VosMCThread() */ |
Kiet Lam | aa8e15a | 2014-02-11 23:30:06 -0800 | [diff] [blame^] | 596 | int isWDresetInProgress(void) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 597 | { |
| 598 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 599 | "%s: Reset is in Progress...",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 600 | if(gpVosWatchdogContext!=NULL) |
| 601 | { |
| 602 | return gpVosWatchdogContext->resetInProgress; |
| 603 | } |
| 604 | else |
| 605 | { |
Kiet Lam | aa8e15a | 2014-02-11 23:30:06 -0800 | [diff] [blame^] | 606 | return 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 607 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 608 | } |
| 609 | /*--------------------------------------------------------------------------- |
| 610 | \brief VosWdThread() - The VOSS Watchdog thread |
| 611 | The \a VosWdThread() is the Watchdog thread: |
| 612 | \param Arg - pointer to the global vOSS Sched Context |
| 613 | \return Thread exit code |
| 614 | \sa VosMcThread() |
| 615 | -------------------------------------------------------------------------*/ |
| 616 | static int |
| 617 | VosWDThread |
| 618 | ( |
| 619 | void * Arg |
| 620 | ) |
| 621 | { |
| 622 | pVosWatchdogContext pWdContext = (pVosWatchdogContext)Arg; |
| 623 | int retWaitStatus = 0; |
| 624 | v_BOOL_t shutdown = VOS_FALSE; |
| 625 | VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; |
| 626 | set_user_nice(current, -3); |
| 627 | |
| 628 | if (Arg == NULL) |
| 629 | { |
| 630 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 631 | "%s: Bad Args passed", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 632 | return 0; |
| 633 | } |
Yue Ma | f49ba87 | 2013-08-19 12:04:25 -0700 | [diff] [blame] | 634 | |
| 635 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 636 | daemonize("WD_Thread"); |
Yue Ma | f49ba87 | 2013-08-19 12:04:25 -0700 | [diff] [blame] | 637 | #endif |
| 638 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 639 | /* |
| 640 | ** Ack back to the context from which the Watchdog thread has been |
| 641 | ** created. |
| 642 | */ |
| 643 | complete(&pWdContext->WdStartEvent); |
| 644 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 645 | "%s: Watchdog Thread %d (%s) starting up",__func__, current->pid, current->comm); |
| 646 | |
| 647 | while(!shutdown) |
| 648 | { |
| 649 | // This implements the Watchdog execution model algorithm |
| 650 | retWaitStatus = wait_event_interruptible(pWdContext->wdWaitQueue, |
| 651 | test_bit(WD_POST_EVENT_MASK, &pWdContext->wdEventFlag)); |
| 652 | if(retWaitStatus == -ERESTARTSYS) |
| 653 | { |
| 654 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 655 | "%s: wait_event_interruptible returned -ERESTARTSYS", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 656 | break; |
| 657 | } |
| 658 | clear_bit(WD_POST_EVENT_MASK, &pWdContext->wdEventFlag); |
| 659 | while(1) |
| 660 | { |
| 661 | // Check if Watchdog needs to shutdown |
| 662 | if(test_bit(WD_SHUTDOWN_EVENT_MASK, &pWdContext->wdEventFlag)) |
| 663 | { |
| 664 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 665 | "%s: Watchdog thread signaled to shutdown", __func__); |
| 666 | |
| 667 | clear_bit(WD_SHUTDOWN_EVENT_MASK, &pWdContext->wdEventFlag); |
| 668 | shutdown = VOS_TRUE; |
| 669 | break; |
| 670 | } |
| 671 | /* subsystem restart: shutdown event handler */ |
| 672 | else if(test_bit(WD_WLAN_SHUTDOWN_EVENT_MASK, &pWdContext->wdEventFlag)) |
| 673 | { |
| 674 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 675 | "%s: Watchdog thread signaled to perform WLAN shutdown",__func__); |
| 676 | clear_bit(WD_WLAN_SHUTDOWN_EVENT_MASK, &pWdContext->wdEventFlag); |
| 677 | |
| 678 | //Perform WLAN shutdown |
| 679 | if(!pWdContext->resetInProgress) |
| 680 | { |
| 681 | pWdContext->resetInProgress = true; |
| 682 | vosStatus = hdd_wlan_shutdown(); |
| 683 | |
| 684 | if (! VOS_IS_STATUS_SUCCESS(vosStatus)) |
| 685 | { |
| 686 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 687 | "%s: Failed to shutdown WLAN",__func__); |
| 688 | VOS_ASSERT(0); |
| 689 | goto err_reset; |
| 690 | } |
| 691 | } |
| 692 | } |
| 693 | /* subsystem restart: re-init event handler */ |
| 694 | else if(test_bit(WD_WLAN_REINIT_EVENT_MASK, &pWdContext->wdEventFlag)) |
| 695 | { |
| 696 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 697 | "%s: Watchdog thread signaled to perform WLAN re-init",__func__); |
| 698 | clear_bit(WD_WLAN_REINIT_EVENT_MASK, &pWdContext->wdEventFlag); |
| 699 | |
| 700 | //Perform WLAN re-init |
| 701 | if(!pWdContext->resetInProgress) |
| 702 | { |
| 703 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 704 | "%s: Trying to do WLAN re-init when it is not shutdown !!",__func__); |
| 705 | } |
| 706 | vosStatus = hdd_wlan_re_init(); |
| 707 | |
| 708 | if (! VOS_IS_STATUS_SUCCESS(vosStatus)) |
| 709 | { |
| 710 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 711 | "%s: Failed to re-init WLAN",__func__); |
| 712 | VOS_ASSERT(0); |
| 713 | goto err_reset; |
| 714 | } |
| 715 | pWdContext->resetInProgress = false; |
| 716 | } |
| 717 | else |
| 718 | { |
| 719 | //Unnecessary wakeup - Should never happen!! |
| 720 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 721 | "%s: Watchdog thread woke up unnecessarily",__func__); |
| 722 | } |
| 723 | break; |
| 724 | } // while message loop processing |
| 725 | } // while shutdown |
| 726 | |
| 727 | // If we get here the Watchdog thread must exit |
| 728 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 729 | "%s: Watchdog Thread exiting !!!!", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 730 | complete_and_exit(&pWdContext->WdShutdown, 0); |
| 731 | |
| 732 | err_reset: |
| 733 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 734 | "%s: Watchdog Thread Failed to Reset, Exiting!!!!", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 735 | return 0; |
| 736 | |
| 737 | } /* VosMCThread() */ |
| 738 | |
| 739 | /*--------------------------------------------------------------------------- |
| 740 | \brief VosTXThread() - The VOSS Main Tx thread |
| 741 | The \a VosTxThread() is the VOSS main controller thread: |
| 742 | \param Arg - pointer to the global vOSS Sched Context |
| 743 | |
| 744 | \return Thread exit code |
| 745 | \sa VosTxThread() |
| 746 | -------------------------------------------------------------------------*/ |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 747 | static int VosTXThread ( void * Arg ) |
| 748 | { |
| 749 | pVosSchedContext pSchedContext = (pVosSchedContext)Arg; |
| 750 | pVosMsgWrapper pMsgWrapper = NULL; |
| 751 | VOS_STATUS vStatus = VOS_STATUS_SUCCESS; |
| 752 | int retWaitStatus = 0; |
| 753 | v_BOOL_t shutdown = VOS_FALSE; |
| 754 | hdd_context_t *pHddCtx = NULL; |
| 755 | v_CONTEXT_t pVosContext = NULL; |
| 756 | |
| 757 | set_user_nice(current, -1); |
Madan Mohan Koyyalamudi | d68ecce | 2012-09-18 19:51:41 -0700 | [diff] [blame] | 758 | |
| 759 | #ifdef WLAN_FEATURE_11AC_HIGH_TP |
Madan Mohan Koyyalamudi | 893c77f | 2012-09-18 19:30:48 -0700 | [diff] [blame] | 760 | set_wake_up_idle(true); |
Madan Mohan Koyyalamudi | d68ecce | 2012-09-18 19:51:41 -0700 | [diff] [blame] | 761 | #endif |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 762 | |
| 763 | if (Arg == NULL) |
| 764 | { |
| 765 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 766 | "%s Bad Args passed", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 767 | return 0; |
| 768 | } |
Yue Ma | f49ba87 | 2013-08-19 12:04:25 -0700 | [diff] [blame] | 769 | |
| 770 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 771 | daemonize("TX_Thread"); |
Yue Ma | f49ba87 | 2013-08-19 12:04:25 -0700 | [diff] [blame] | 772 | #endif |
| 773 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 774 | /* |
| 775 | ** Ack back to the context from which the main controller thread has been |
| 776 | ** created. |
| 777 | */ |
| 778 | complete(&pSchedContext->TxStartEvent); |
| 779 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 780 | "%s: TX Thread %d (%s) starting up!",__func__, current->pid, current->comm); |
| 781 | |
| 782 | /* Get the Global VOSS Context */ |
| 783 | pVosContext = vos_get_global_context(VOS_MODULE_ID_SYS, NULL); |
| 784 | if(!pVosContext) { |
| 785 | hddLog(VOS_TRACE_LEVEL_FATAL,"%s: Global VOS context is Null", __func__); |
| 786 | return 0; |
| 787 | } |
| 788 | |
| 789 | /* Get the HDD context */ |
| 790 | pHddCtx = (hdd_context_t *)vos_get_context(VOS_MODULE_ID_HDD, pVosContext ); |
| 791 | if(!pHddCtx) { |
| 792 | hddLog(VOS_TRACE_LEVEL_FATAL,"%s: HDD context is Null",__func__); |
| 793 | return 0; |
| 794 | } |
| 795 | |
| 796 | |
| 797 | while(!shutdown) |
| 798 | { |
| 799 | // This implements the execution model algorithm |
| 800 | retWaitStatus = wait_event_interruptible(pSchedContext->txWaitQueue, |
| 801 | test_bit(TX_POST_EVENT_MASK, &pSchedContext->txEventFlag) || |
| 802 | test_bit(TX_SUSPEND_EVENT_MASK, &pSchedContext->txEventFlag)); |
| 803 | |
| 804 | |
| 805 | if(retWaitStatus == -ERESTARTSYS) |
| 806 | { |
| 807 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 808 | "%s: wait_event_interruptible returned -ERESTARTSYS", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 809 | break; |
| 810 | } |
| 811 | clear_bit(TX_POST_EVENT_MASK, &pSchedContext->txEventFlag); |
| 812 | |
| 813 | while(1) |
| 814 | { |
| 815 | if(test_bit(TX_SHUTDOWN_EVENT_MASK, &pSchedContext->txEventFlag)) |
| 816 | { |
| 817 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 818 | "%s: TX thread signaled to shutdown", __func__); |
| 819 | shutdown = VOS_TRUE; |
| 820 | /* Check for any Suspend Indication */ |
| 821 | if(test_bit(TX_SUSPEND_EVENT_MASK, &pSchedContext->txEventFlag)) |
| 822 | { |
| 823 | clear_bit(TX_SUSPEND_EVENT_MASK, &pSchedContext->txEventFlag); |
| 824 | |
| 825 | /* Unblock anyone waiting on suspend */ |
| 826 | complete(&pHddCtx->tx_sus_event_var); |
| 827 | } |
| 828 | break; |
| 829 | } |
| 830 | // Check the SYS queue first |
| 831 | if (!vos_is_mq_empty(&pSchedContext->sysTxMq)) |
| 832 | { |
| 833 | // Service the SYS message queue |
| 834 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 835 | "%s: Servicing the VOS SYS TX Message queue",__func__); |
| 836 | pMsgWrapper = vos_mq_get(&pSchedContext->sysTxMq); |
| 837 | if (pMsgWrapper == NULL) |
| 838 | { |
| 839 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 840 | "%s: pMsgWrapper is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 841 | VOS_ASSERT(0); |
| 842 | break; |
| 843 | } |
| 844 | vStatus = sysTxProcessMsg( pSchedContext->pVContext, |
| 845 | pMsgWrapper->pVosMsg); |
| 846 | if (!VOS_IS_STATUS_SUCCESS(vStatus)) |
| 847 | { |
| 848 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 849 | "%s: Issue Processing TX SYS message",__func__); |
| 850 | } |
| 851 | // return message to the Core |
| 852 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 853 | continue; |
| 854 | } |
| 855 | // Check now the TL queue |
| 856 | if (!vos_is_mq_empty(&pSchedContext->tlTxMq)) |
| 857 | { |
| 858 | // Service the TL message queue |
| 859 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 860 | "%s: Servicing the VOS TL TX Message queue",__func__); |
| 861 | pMsgWrapper = vos_mq_get(&pSchedContext->tlTxMq); |
| 862 | if (pMsgWrapper == NULL) |
| 863 | { |
| 864 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 865 | "%s: pMsgWrapper is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 866 | VOS_ASSERT(0); |
| 867 | break; |
| 868 | } |
| 869 | vStatus = WLANTL_TxProcessMsg( pSchedContext->pVContext, |
| 870 | pMsgWrapper->pVosMsg); |
| 871 | if (!VOS_IS_STATUS_SUCCESS(vStatus)) |
| 872 | { |
| 873 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 874 | "%s: Issue Processing TX TL message",__func__); |
| 875 | } |
| 876 | // return message to the Core |
| 877 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 878 | continue; |
| 879 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 880 | // Check the WDI queue |
| 881 | if (!vos_is_mq_empty(&pSchedContext->wdiTxMq)) |
| 882 | { |
| 883 | wpt_msg *pWdiMsg; |
| 884 | VOS_TRACE(VOS_MODULE_ID_WDI, VOS_TRACE_LEVEL_INFO, |
| 885 | "%s: Servicing the VOS TX WDI Message queue",__func__); |
| 886 | |
| 887 | pMsgWrapper = vos_mq_get(&pSchedContext->wdiTxMq); |
Jeff Johnson | d13512a | 2012-07-17 11:42:19 -0700 | [diff] [blame] | 888 | |
| 889 | if (pMsgWrapper == NULL) |
| 890 | { |
| 891 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 892 | "%s: pMsgWrapper is NULL", __func__); |
Jeff Johnson | d13512a | 2012-07-17 11:42:19 -0700 | [diff] [blame] | 893 | VOS_ASSERT(0); |
| 894 | break; |
| 895 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 896 | |
| 897 | pWdiMsg = (wpt_msg *)pMsgWrapper->pVosMsg->bodyptr; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 898 | |
Jeff Johnson | d13512a | 2012-07-17 11:42:19 -0700 | [diff] [blame] | 899 | if(pWdiMsg == NULL || pWdiMsg->callback == NULL) |
| 900 | { |
| 901 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 902 | "%s: WDI Msg or Callback is NULL", __func__); |
Jeff Johnson | d13512a | 2012-07-17 11:42:19 -0700 | [diff] [blame] | 903 | VOS_ASSERT(0); |
| 904 | break; |
| 905 | } |
| 906 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 907 | pWdiMsg->callback(pWdiMsg); |
| 908 | |
| 909 | // return message to the Core |
| 910 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 911 | |
| 912 | continue; |
| 913 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 914 | /* Check for any Suspend Indication */ |
| 915 | if(test_bit(TX_SUSPEND_EVENT_MASK, &pSchedContext->txEventFlag)) |
| 916 | { |
| 917 | clear_bit(TX_SUSPEND_EVENT_MASK, &pSchedContext->txEventFlag); |
| 918 | spin_lock(&pSchedContext->TxThreadLock); |
| 919 | |
| 920 | /* Tx Thread Suspended */ |
| 921 | complete(&pHddCtx->tx_sus_event_var); |
| 922 | |
| 923 | INIT_COMPLETION(pSchedContext->ResumeTxEvent); |
| 924 | spin_unlock(&pSchedContext->TxThreadLock); |
| 925 | |
| 926 | /* Wait foe Resume Indication */ |
| 927 | wait_for_completion_interruptible(&pSchedContext->ResumeTxEvent); |
| 928 | } |
| 929 | |
| 930 | break; //All queues are empty now |
| 931 | } // while message loop processing |
| 932 | } // while TRUE |
| 933 | // If we get here the TX thread must exit |
| 934 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 935 | "%s: TX Thread exiting!!!!", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 936 | complete_and_exit(&pSchedContext->TxShutdown, 0); |
| 937 | } /* VosTxThread() */ |
| 938 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 939 | /*--------------------------------------------------------------------------- |
| 940 | \brief VosRXThread() - The VOSS Main Rx thread |
| 941 | The \a VosRxThread() is the VOSS Rx controller thread: |
| 942 | \param Arg - pointer to the global vOSS Sched Context |
| 943 | |
| 944 | \return Thread exit code |
| 945 | \sa VosRxThread() |
| 946 | -------------------------------------------------------------------------*/ |
| 947 | |
| 948 | static int VosRXThread ( void * Arg ) |
| 949 | { |
| 950 | pVosSchedContext pSchedContext = (pVosSchedContext)Arg; |
| 951 | pVosMsgWrapper pMsgWrapper = NULL; |
| 952 | int retWaitStatus = 0; |
| 953 | v_BOOL_t shutdown = VOS_FALSE; |
| 954 | hdd_context_t *pHddCtx = NULL; |
| 955 | v_CONTEXT_t pVosContext = NULL; |
| 956 | VOS_STATUS vStatus = VOS_STATUS_SUCCESS; |
| 957 | |
| 958 | set_user_nice(current, -1); |
Madan Mohan Koyyalamudi | d68ecce | 2012-09-18 19:51:41 -0700 | [diff] [blame] | 959 | |
| 960 | #ifdef WLAN_FEATURE_11AC_HIGH_TP |
Madan Mohan Koyyalamudi | 893c77f | 2012-09-18 19:30:48 -0700 | [diff] [blame] | 961 | set_wake_up_idle(true); |
Madan Mohan Koyyalamudi | d68ecce | 2012-09-18 19:51:41 -0700 | [diff] [blame] | 962 | #endif |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 963 | |
| 964 | if (Arg == NULL) |
| 965 | { |
| 966 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 967 | "%s Bad Args passed", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 968 | return 0; |
| 969 | } |
Yue Ma | f49ba87 | 2013-08-19 12:04:25 -0700 | [diff] [blame] | 970 | |
| 971 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 972 | daemonize("RX_Thread"); |
Yue Ma | f49ba87 | 2013-08-19 12:04:25 -0700 | [diff] [blame] | 973 | #endif |
| 974 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 975 | /* |
| 976 | ** Ack back to the context from which the main controller thread has been |
| 977 | ** created. |
| 978 | */ |
| 979 | complete(&pSchedContext->RxStartEvent); |
| 980 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 981 | "%s: RX Thread %d (%s) starting up!",__func__, current->pid, current->comm); |
| 982 | |
| 983 | /* Get the Global VOSS Context */ |
| 984 | pVosContext = vos_get_global_context(VOS_MODULE_ID_SYS, NULL); |
| 985 | if(!pVosContext) { |
| 986 | hddLog(VOS_TRACE_LEVEL_FATAL,"%s: Global VOS context is Null", __func__); |
| 987 | return 0; |
| 988 | } |
| 989 | |
| 990 | /* Get the HDD context */ |
| 991 | pHddCtx = (hdd_context_t *)vos_get_context(VOS_MODULE_ID_HDD, pVosContext ); |
| 992 | if(!pHddCtx) { |
| 993 | hddLog(VOS_TRACE_LEVEL_FATAL,"%s: HDD context is Null",__func__); |
| 994 | return 0; |
| 995 | } |
| 996 | |
| 997 | while(!shutdown) |
| 998 | { |
| 999 | // This implements the execution model algorithm |
| 1000 | retWaitStatus = wait_event_interruptible(pSchedContext->rxWaitQueue, |
| 1001 | test_bit(RX_POST_EVENT_MASK, &pSchedContext->rxEventFlag) || |
| 1002 | test_bit(RX_SUSPEND_EVENT_MASK, &pSchedContext->rxEventFlag)); |
| 1003 | |
| 1004 | |
| 1005 | if(retWaitStatus == -ERESTARTSYS) |
| 1006 | { |
| 1007 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1008 | "%s: wait_event_interruptible returned -ERESTARTSYS", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1009 | break; |
| 1010 | } |
| 1011 | clear_bit(RX_POST_EVENT_MASK, &pSchedContext->rxEventFlag); |
| 1012 | |
| 1013 | while(1) |
| 1014 | { |
| 1015 | if(test_bit(RX_SHUTDOWN_EVENT_MASK, &pSchedContext->rxEventFlag)) |
| 1016 | { |
| 1017 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 1018 | "%s: RX thread signaled to shutdown", __func__); |
| 1019 | shutdown = VOS_TRUE; |
| 1020 | /* Check for any Suspend Indication */ |
| 1021 | if(test_bit(RX_SUSPEND_EVENT_MASK, &pSchedContext->rxEventFlag)) |
| 1022 | { |
| 1023 | clear_bit(RX_SUSPEND_EVENT_MASK, &pSchedContext->rxEventFlag); |
| 1024 | |
| 1025 | /* Unblock anyone waiting on suspend */ |
| 1026 | complete(&pHddCtx->rx_sus_event_var); |
| 1027 | } |
| 1028 | break; |
| 1029 | } |
| 1030 | |
| 1031 | |
| 1032 | // Check the SYS queue first |
| 1033 | if (!vos_is_mq_empty(&pSchedContext->sysRxMq)) |
| 1034 | { |
| 1035 | // Service the SYS message queue |
| 1036 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
| 1037 | "%s: Servicing the VOS SYS RX Message queue",__func__); |
| 1038 | pMsgWrapper = vos_mq_get(&pSchedContext->sysRxMq); |
| 1039 | if (pMsgWrapper == NULL) |
| 1040 | { |
| 1041 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1042 | "%s: pMsgWrapper is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1043 | VOS_ASSERT(0); |
| 1044 | break; |
| 1045 | } |
| 1046 | vStatus = sysRxProcessMsg( pSchedContext->pVContext, |
| 1047 | pMsgWrapper->pVosMsg); |
| 1048 | if (!VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1049 | { |
| 1050 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1051 | "%s: Issue Processing TX SYS message",__func__); |
| 1052 | } |
| 1053 | // return message to the Core |
| 1054 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1055 | continue; |
| 1056 | } |
| 1057 | |
| 1058 | // Check the WDI queue |
| 1059 | if (!vos_is_mq_empty(&pSchedContext->wdiRxMq)) |
| 1060 | { |
| 1061 | wpt_msg *pWdiMsg; |
| 1062 | VOS_TRACE(VOS_MODULE_ID_WDI, VOS_TRACE_LEVEL_INFO, |
| 1063 | "%s: Servicing the VOS RX WDI Message queue",__func__); |
| 1064 | |
| 1065 | pMsgWrapper = vos_mq_get(&pSchedContext->wdiRxMq); |
| 1066 | if ((NULL == pMsgWrapper) || (NULL == pMsgWrapper->pVosMsg)) |
| 1067 | { |
| 1068 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1069 | "%s: wdiRxMq message is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1070 | VOS_ASSERT(0); |
| 1071 | // we won't return this wrapper since it is corrupt |
| 1072 | } |
| 1073 | else |
| 1074 | { |
| 1075 | pWdiMsg = (wpt_msg *)pMsgWrapper->pVosMsg->bodyptr; |
| 1076 | if ((NULL == pWdiMsg) || (NULL == pWdiMsg->callback)) |
| 1077 | { |
| 1078 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1079 | "%s: WDI Msg or callback is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1080 | VOS_ASSERT(0); |
| 1081 | } |
| 1082 | else |
| 1083 | { |
| 1084 | // invoke the message handler |
| 1085 | pWdiMsg->callback(pWdiMsg); |
| 1086 | } |
| 1087 | |
| 1088 | // return message to the Core |
| 1089 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1090 | } |
| 1091 | continue; |
| 1092 | } |
| 1093 | |
| 1094 | /* Check for any Suspend Indication */ |
| 1095 | if(test_bit(RX_SUSPEND_EVENT_MASK, &pSchedContext->rxEventFlag)) |
| 1096 | { |
| 1097 | clear_bit(RX_SUSPEND_EVENT_MASK, &pSchedContext->rxEventFlag); |
| 1098 | spin_lock(&pSchedContext->RxThreadLock); |
| 1099 | |
| 1100 | /* Rx Thread Suspended */ |
| 1101 | complete(&pHddCtx->rx_sus_event_var); |
| 1102 | |
Gopichand Nakkala | 0562141 | 2013-06-19 19:37:38 +0530 | [diff] [blame] | 1103 | INIT_COMPLETION(pSchedContext->ResumeRxEvent); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1104 | spin_unlock(&pSchedContext->RxThreadLock); |
| 1105 | |
| 1106 | /* Wait for Resume Indication */ |
| 1107 | wait_for_completion_interruptible(&pSchedContext->ResumeRxEvent); |
| 1108 | } |
| 1109 | |
| 1110 | break; //All queues are empty now |
| 1111 | } // while message loop processing |
| 1112 | } // while TRUE |
| 1113 | // If we get here the RX thread must exit |
| 1114 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1115 | "%s: RX Thread exiting!!!!", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1116 | complete_and_exit(&pSchedContext->RxShutdown, 0); |
| 1117 | } /* VosRxThread() */ |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1118 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1119 | /*--------------------------------------------------------------------------- |
| 1120 | \brief vos_sched_close() - Close the vOSS Scheduler |
| 1121 | The \a vos_sched_closes() function closes the vOSS Scheduler |
| 1122 | Upon successful closing: |
| 1123 | - All the message queues are flushed |
| 1124 | - The Main Controller thread is closed |
| 1125 | - The Tx thread is closed |
| 1126 | |
| 1127 | \param pVosContext - pointer to the global vOSS Context |
| 1128 | \return VOS_STATUS_SUCCESS - Scheduler was successfully initialized and |
| 1129 | is ready to be used. |
| 1130 | VOS_STATUS_E_INVAL - Invalid parameter passed to the scheduler Open |
| 1131 | function |
| 1132 | VOS_STATUS_E_FAILURE - Failure to initialize the scheduler/ |
| 1133 | \sa vos_sched_close() |
| 1134 | ---------------------------------------------------------------------------*/ |
| 1135 | VOS_STATUS vos_sched_close ( v_PVOID_t pVosContext ) |
| 1136 | { |
| 1137 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1138 | "%s: invoked", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1139 | if (gpVosSchedContext == NULL) |
| 1140 | { |
| 1141 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Arif Hussain | 0288240 | 2013-11-17 21:55:29 -0800 | [diff] [blame] | 1142 | "%s: gpVosSchedContext == NULL",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1143 | return VOS_STATUS_E_FAILURE; |
| 1144 | } |
| 1145 | |
| 1146 | // shut down MC Thread |
| 1147 | set_bit(MC_SHUTDOWN_EVENT_MASK, &gpVosSchedContext->mcEventFlag); |
| 1148 | set_bit(MC_POST_EVENT_MASK, &gpVosSchedContext->mcEventFlag); |
| 1149 | wake_up_interruptible(&gpVosSchedContext->mcWaitQueue); |
| 1150 | //Wait for MC to exit |
Mihir Shete | de20c47 | 2013-11-28 11:02:38 +0530 | [diff] [blame] | 1151 | wait_for_completion(&gpVosSchedContext->McShutdown); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1152 | gpVosSchedContext->McThread = 0; |
| 1153 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1154 | // shut down TX Thread |
| 1155 | set_bit(TX_SHUTDOWN_EVENT_MASK, &gpVosSchedContext->txEventFlag); |
| 1156 | set_bit(TX_POST_EVENT_MASK, &gpVosSchedContext->txEventFlag); |
| 1157 | wake_up_interruptible(&gpVosSchedContext->txWaitQueue); |
| 1158 | //Wait for TX to exit |
Mihir Shete | de20c47 | 2013-11-28 11:02:38 +0530 | [diff] [blame] | 1159 | wait_for_completion(&gpVosSchedContext->TxShutdown); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1160 | gpVosSchedContext->TxThread = 0; |
| 1161 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1162 | // shut down RX Thread |
| 1163 | set_bit(RX_SHUTDOWN_EVENT_MASK, &gpVosSchedContext->rxEventFlag); |
| 1164 | set_bit(RX_POST_EVENT_MASK, &gpVosSchedContext->rxEventFlag); |
| 1165 | wake_up_interruptible(&gpVosSchedContext->rxWaitQueue); |
| 1166 | //Wait for RX to exit |
Mihir Shete | de20c47 | 2013-11-28 11:02:38 +0530 | [diff] [blame] | 1167 | wait_for_completion(&gpVosSchedContext->RxShutdown); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1168 | gpVosSchedContext->RxThread = 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1169 | |
| 1170 | //Clean up message queues of TX and MC thread |
| 1171 | vos_sched_flush_mc_mqs(gpVosSchedContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1172 | vos_sched_flush_tx_mqs(gpVosSchedContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1173 | vos_sched_flush_rx_mqs(gpVosSchedContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1174 | |
| 1175 | //Deinit all the queues |
| 1176 | vos_sched_deinit_mqs(gpVosSchedContext); |
| 1177 | |
| 1178 | return VOS_STATUS_SUCCESS; |
| 1179 | } /* vox_sched_close() */ |
| 1180 | |
| 1181 | VOS_STATUS vos_watchdog_close ( v_PVOID_t pVosContext ) |
| 1182 | { |
| 1183 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1184 | "%s: vos_watchdog closing now", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1185 | if (gpVosWatchdogContext == NULL) |
| 1186 | { |
| 1187 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Arif Hussain | 0288240 | 2013-11-17 21:55:29 -0800 | [diff] [blame] | 1188 | "%s: gpVosWatchdogContext is NULL",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1189 | return VOS_STATUS_E_FAILURE; |
| 1190 | } |
| 1191 | set_bit(WD_SHUTDOWN_EVENT_MASK, &gpVosWatchdogContext->wdEventFlag); |
| 1192 | set_bit(WD_POST_EVENT_MASK, &gpVosWatchdogContext->wdEventFlag); |
| 1193 | wake_up_interruptible(&gpVosWatchdogContext->wdWaitQueue); |
| 1194 | //Wait for Watchdog thread to exit |
Mihir Shete | de20c47 | 2013-11-28 11:02:38 +0530 | [diff] [blame] | 1195 | wait_for_completion(&gpVosWatchdogContext->WdShutdown); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1196 | return VOS_STATUS_SUCCESS; |
| 1197 | } /* vos_watchdog_close() */ |
| 1198 | |
| 1199 | VOS_STATUS vos_watchdog_chip_reset ( vos_chip_reset_reason_type reason ) |
| 1200 | { |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1201 | return VOS_STATUS_SUCCESS; |
| 1202 | } /* vos_watchdog_chip_reset() */ |
| 1203 | |
| 1204 | /*--------------------------------------------------------------------------- |
| 1205 | \brief vos_sched_init_mqs: Initialize the vOSS Scheduler message queues |
| 1206 | The \a vos_sched_init_mqs() function initializes the vOSS Scheduler |
| 1207 | message queues. |
| 1208 | \param pVosSchedContext - pointer to the Scheduler Context. |
| 1209 | \return VOS_STATUS_SUCCESS - Scheduler was successfully initialized and |
| 1210 | is ready to be used. |
| 1211 | VOS_STATUS_E_RESOURCES - System resources (other than memory) |
| 1212 | are unavailable to initilize the scheduler |
| 1213 | |
| 1214 | \sa vos_sched_init_mqs() |
| 1215 | -------------------------------------------------------------------------*/ |
| 1216 | VOS_STATUS vos_sched_init_mqs ( pVosSchedContext pSchedContext ) |
| 1217 | { |
| 1218 | VOS_STATUS vStatus = VOS_STATUS_SUCCESS; |
| 1219 | // Now intialize all the message queues |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1220 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1221 | "%s: Initializing the WDA MC Message queue",__func__); |
| 1222 | vStatus = vos_mq_init(&pSchedContext->wdaMcMq); |
| 1223 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1224 | { |
| 1225 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1226 | "%s: Failed to init WDA MC Message queue",__func__); |
| 1227 | VOS_ASSERT(0); |
| 1228 | return vStatus; |
| 1229 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1230 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1231 | "%s: Initializing the PE MC Message queue",__func__); |
| 1232 | vStatus = vos_mq_init(&pSchedContext->peMcMq); |
| 1233 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1234 | { |
| 1235 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1236 | "%s: Failed to init PE MC Message queue",__func__); |
| 1237 | VOS_ASSERT(0); |
| 1238 | return vStatus; |
| 1239 | } |
| 1240 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1241 | "%s: Initializing the SME MC Message queue", __func__); |
| 1242 | vStatus = vos_mq_init(&pSchedContext->smeMcMq); |
| 1243 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1244 | { |
| 1245 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1246 | "%s: Failed to init SME MC Message queue",__func__); |
| 1247 | VOS_ASSERT(0); |
| 1248 | return vStatus; |
| 1249 | } |
| 1250 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1251 | "%s: Initializing the TL MC Message queue",__func__); |
| 1252 | vStatus = vos_mq_init(&pSchedContext->tlMcMq); |
| 1253 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1254 | { |
| 1255 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1256 | "%s: Failed to init TL MC Message queue",__func__); |
| 1257 | VOS_ASSERT(0); |
| 1258 | return vStatus; |
| 1259 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1260 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1261 | "%s: Initializing the SYS MC Message queue",__func__); |
| 1262 | vStatus = vos_mq_init(&pSchedContext->sysMcMq); |
| 1263 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1264 | { |
| 1265 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1266 | "%s: Failed to init SYS MC Message queue",__func__); |
| 1267 | VOS_ASSERT(0); |
| 1268 | return vStatus; |
| 1269 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1270 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1271 | "%s: Initializing the WDI MC Message queue",__func__); |
| 1272 | |
| 1273 | vStatus = vos_mq_init(&pSchedContext->wdiMcMq); |
| 1274 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1275 | { |
| 1276 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1277 | "%s: Failed to init WDI MC Message queue",__func__); |
| 1278 | VOS_ASSERT(0); |
| 1279 | return vStatus; |
| 1280 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1281 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1282 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1283 | "%s: Initializing the TL Tx Message queue",__func__); |
| 1284 | vStatus = vos_mq_init(&pSchedContext->tlTxMq); |
| 1285 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1286 | { |
| 1287 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1288 | "%s: Failed to init TL TX Message queue",__func__); |
| 1289 | VOS_ASSERT(0); |
| 1290 | return vStatus; |
| 1291 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1292 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1293 | "%s: Initializing the WDI Tx Message queue",__func__); |
| 1294 | vStatus = vos_mq_init(&pSchedContext->wdiTxMq); |
| 1295 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1296 | { |
| 1297 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1298 | "%s: Failed to init WDI TX Message queue",__func__); |
| 1299 | VOS_ASSERT(0); |
| 1300 | return vStatus; |
| 1301 | } |
| 1302 | |
| 1303 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1304 | "%s: Initializing the WDI Rx Message queue",__func__); |
| 1305 | |
| 1306 | vStatus = vos_mq_init(&pSchedContext->wdiRxMq); |
| 1307 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1308 | { |
| 1309 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1310 | "%s: Failed to init WDI RX Message queue",__func__); |
| 1311 | VOS_ASSERT(0); |
| 1312 | return vStatus; |
| 1313 | } |
| 1314 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1315 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1316 | "%s: Initializing the SYS Tx Message queue",__func__); |
| 1317 | vStatus = vos_mq_init(&pSchedContext->sysTxMq); |
| 1318 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1319 | { |
| 1320 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1321 | "%s: Failed to init SYS TX Message queue",__func__); |
| 1322 | VOS_ASSERT(0); |
| 1323 | return vStatus; |
| 1324 | } |
| 1325 | |
| 1326 | vStatus = vos_mq_init(&pSchedContext->sysRxMq); |
| 1327 | if (! VOS_IS_STATUS_SUCCESS(vStatus)) |
| 1328 | { |
| 1329 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1330 | "%s: Failed to init SYS RX Message queue",__func__); |
| 1331 | VOS_ASSERT(0); |
| 1332 | return vStatus; |
| 1333 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1334 | return VOS_STATUS_SUCCESS; |
| 1335 | } /* vos_sched_init_mqs() */ |
| 1336 | |
| 1337 | /*--------------------------------------------------------------------------- |
| 1338 | \brief vos_sched_deinit_mqs: Deinitialize the vOSS Scheduler message queues |
| 1339 | The \a vos_sched_init_mqs() function deinitializes the vOSS Scheduler |
| 1340 | message queues. |
| 1341 | \param pVosSchedContext - pointer to the Scheduler Context. |
| 1342 | \return None |
| 1343 | \sa vos_sched_deinit_mqs() |
| 1344 | -------------------------------------------------------------------------*/ |
| 1345 | void vos_sched_deinit_mqs ( pVosSchedContext pSchedContext ) |
| 1346 | { |
| 1347 | // Now de-intialize all message queues |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1348 | // MC WDA |
| 1349 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1350 | "%s De-Initializing the WDA MC Message queue",__func__); |
| 1351 | vos_mq_deinit(&pSchedContext->wdaMcMq); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1352 | //MC PE |
| 1353 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1354 | "%s De-Initializing the PE MC Message queue",__func__); |
| 1355 | vos_mq_deinit(&pSchedContext->peMcMq); |
| 1356 | //MC SME |
| 1357 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1358 | "%s De-Initializing the SME MC Message queue",__func__); |
| 1359 | vos_mq_deinit(&pSchedContext->smeMcMq); |
| 1360 | //MC TL |
| 1361 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1362 | "%s De-Initializing the TL MC Message queue",__func__); |
| 1363 | vos_mq_deinit(&pSchedContext->tlMcMq); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1364 | //MC SYS |
| 1365 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1366 | "%s De-Initializing the SYS MC Message queue",__func__); |
| 1367 | vos_mq_deinit(&pSchedContext->sysMcMq); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1368 | // MC WDI |
| 1369 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1370 | "%s De-Initializing the WDI MC Message queue",__func__); |
| 1371 | vos_mq_deinit(&pSchedContext->wdiMcMq); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1372 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1373 | //Tx TL |
| 1374 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1375 | "%s De-Initializing the TL Tx Message queue",__func__); |
| 1376 | vos_mq_deinit(&pSchedContext->tlTxMq); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1377 | //Tx WDI |
| 1378 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1379 | "%s: DeInitializing the WDI Tx Message queue",__func__); |
| 1380 | vos_mq_deinit(&pSchedContext->wdiTxMq); |
| 1381 | |
| 1382 | |
| 1383 | //Rx WDI |
| 1384 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1385 | "%s: DeInitializing the WDI Rx Message queue",__func__); |
| 1386 | vos_mq_deinit(&pSchedContext->wdiRxMq); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1387 | |
| 1388 | //Tx SYS |
| 1389 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1390 | "%s: DeInitializing the SYS Tx Message queue",__func__); |
| 1391 | vos_mq_deinit(&pSchedContext->sysTxMq); |
| 1392 | |
| 1393 | //Rx SYS |
| 1394 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_INFO_HIGH, |
| 1395 | "%s: DeInitializing the SYS Rx Message queue",__func__); |
| 1396 | vos_mq_deinit(&pSchedContext->sysRxMq); |
| 1397 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1398 | } /* vos_sched_deinit_mqs() */ |
| 1399 | |
| 1400 | /*------------------------------------------------------------------------- |
| 1401 | this helper function flushes all the MC message queues |
| 1402 | -------------------------------------------------------------------------*/ |
| 1403 | void vos_sched_flush_mc_mqs ( pVosSchedContext pSchedContext ) |
| 1404 | { |
| 1405 | pVosMsgWrapper pMsgWrapper = NULL; |
| 1406 | pVosContextType vosCtx; |
| 1407 | |
| 1408 | /* |
| 1409 | ** Here each of the MC thread MQ shall be drained and returned to the |
| 1410 | ** Core. Before returning a wrapper to the Core, the VOS message shall be |
| 1411 | ** freed first |
| 1412 | */ |
| 1413 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
| 1414 | VOS_TRACE_LEVEL_INFO, |
Arif Hussain | 0288240 | 2013-11-17 21:55:29 -0800 | [diff] [blame] | 1415 | ("Flushing the MC Thread message queue") ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1416 | |
| 1417 | if (NULL == pSchedContext) |
| 1418 | { |
| 1419 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1420 | "%s: pSchedContext is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1421 | return; |
| 1422 | } |
| 1423 | |
| 1424 | vosCtx = (pVosContextType)(pSchedContext->pVContext); |
| 1425 | if (NULL == vosCtx) |
| 1426 | { |
| 1427 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1428 | "%s: vosCtx is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1429 | return; |
| 1430 | } |
| 1431 | |
| 1432 | /* Flush the SYS Mq */ |
| 1433 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->sysMcMq) )) |
| 1434 | { |
| 1435 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
Leo Chang | 0f24ca1 | 2013-12-17 13:35:00 -0800 | [diff] [blame] | 1436 | VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1437 | "%s: Freeing MC SYS message type %d ",__func__, |
| 1438 | pMsgWrapper->pVosMsg->type ); |
| 1439 | sysMcFreeMsg(pSchedContext->pVContext, pMsgWrapper->pVosMsg); |
| 1440 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1441 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1442 | /* Flush the WDA Mq */ |
| 1443 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->wdaMcMq) )) |
| 1444 | { |
| 1445 | if(pMsgWrapper->pVosMsg != NULL) |
| 1446 | { |
Leo Chang | 0f24ca1 | 2013-12-17 13:35:00 -0800 | [diff] [blame] | 1447 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1448 | "%s: Freeing MC WDA MSG message type %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1449 | __func__, pMsgWrapper->pVosMsg->type ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1450 | if (pMsgWrapper->pVosMsg->bodyptr) { |
| 1451 | vos_mem_free((v_VOID_t*)pMsgWrapper->pVosMsg->bodyptr); |
| 1452 | } |
| 1453 | |
| 1454 | pMsgWrapper->pVosMsg->bodyptr = NULL; |
| 1455 | pMsgWrapper->pVosMsg->bodyval = 0; |
| 1456 | pMsgWrapper->pVosMsg->type = 0; |
| 1457 | } |
| 1458 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1459 | } |
| 1460 | |
| 1461 | /* Flush the WDI Mq */ |
| 1462 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->wdiMcMq) )) |
| 1463 | { |
| 1464 | if(pMsgWrapper->pVosMsg != NULL) |
| 1465 | { |
Leo Chang | 0f24ca1 | 2013-12-17 13:35:00 -0800 | [diff] [blame] | 1466 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1467 | "%s: Freeing MC WDI MSG message type %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1468 | __func__, pMsgWrapper->pVosMsg->type ); |
Leo Chang | 0f24ca1 | 2013-12-17 13:35:00 -0800 | [diff] [blame] | 1469 | |
| 1470 | /* MSG body pointer is not NULL |
| 1471 | * and MSG type is 0 |
| 1472 | * This MSG is not posted by SMD NOTIFY |
| 1473 | * We have to free MSG body */ |
| 1474 | if ((pMsgWrapper->pVosMsg->bodyptr) && (!pMsgWrapper->pVosMsg->type)) |
| 1475 | { |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1476 | vos_mem_free((v_VOID_t*)pMsgWrapper->pVosMsg->bodyptr); |
| 1477 | } |
Leo Chang | 0f24ca1 | 2013-12-17 13:35:00 -0800 | [diff] [blame] | 1478 | /* MSG body pointer is not NULL |
| 1479 | * and MSG type is not 0 |
| 1480 | * This MSG is posted by SMD NOTIFY |
| 1481 | * We should not free MSG body */ |
| 1482 | else if ((pMsgWrapper->pVosMsg->bodyptr) && pMsgWrapper->pVosMsg->type) |
| 1483 | { |
| 1484 | VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
| 1485 | "%s: SMD NOTIFY MSG, do not free body", |
| 1486 | __func__); |
| 1487 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1488 | pMsgWrapper->pVosMsg->bodyptr = NULL; |
| 1489 | pMsgWrapper->pVosMsg->bodyval = 0; |
| 1490 | pMsgWrapper->pVosMsg->type = 0; |
| 1491 | } |
| 1492 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1493 | } |
| 1494 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1495 | /* Flush the PE Mq */ |
| 1496 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->peMcMq) )) |
| 1497 | { |
| 1498 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
Leo Chang | 0f24ca1 | 2013-12-17 13:35:00 -0800 | [diff] [blame] | 1499 | VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1500 | "%s: Freeing MC PE MSG message type %d",__func__, |
| 1501 | pMsgWrapper->pVosMsg->type ); |
| 1502 | peFreeMsg(vosCtx->pMACContext, (tSirMsgQ*)pMsgWrapper->pVosMsg); |
| 1503 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1504 | } |
| 1505 | /* Flush the SME Mq */ |
| 1506 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->smeMcMq) )) |
| 1507 | { |
| 1508 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
Leo Chang | 0f24ca1 | 2013-12-17 13:35:00 -0800 | [diff] [blame] | 1509 | VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1510 | "%s: Freeing MC SME MSG message type %d", __func__, |
| 1511 | pMsgWrapper->pVosMsg->type ); |
| 1512 | sme_FreeMsg(vosCtx->pMACContext, pMsgWrapper->pVosMsg); |
| 1513 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1514 | } |
| 1515 | /* Flush the TL Mq */ |
| 1516 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->tlMcMq) )) |
| 1517 | { |
| 1518 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
Leo Chang | 0f24ca1 | 2013-12-17 13:35:00 -0800 | [diff] [blame] | 1519 | VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1520 | "%s: Freeing MC TL message type %d",__func__, |
| 1521 | pMsgWrapper->pVosMsg->type ); |
| 1522 | WLANTL_McFreeMsg(pSchedContext->pVContext, pMsgWrapper->pVosMsg); |
| 1523 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1524 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1525 | } /* vos_sched_flush_mc_mqs() */ |
| 1526 | |
| 1527 | /*------------------------------------------------------------------------- |
| 1528 | This helper function flushes all the TX message queues |
| 1529 | ------------------------------------------------------------------------*/ |
| 1530 | void vos_sched_flush_tx_mqs ( pVosSchedContext pSchedContext ) |
| 1531 | { |
| 1532 | pVosMsgWrapper pMsgWrapper = NULL; |
| 1533 | /* |
| 1534 | ** Here each of the TX thread MQ shall be drained and returned to the |
| 1535 | ** Core. Before returning a wrapper to the Core, the VOS message shall |
| 1536 | ** be freed first |
| 1537 | */ |
| 1538 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
| 1539 | VOS_TRACE_LEVEL_INFO, |
| 1540 | "%s: Flushing the TX Thread message queue",__func__); |
| 1541 | |
| 1542 | if (NULL == pSchedContext) |
| 1543 | { |
| 1544 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1545 | "%s: pSchedContext is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1546 | return; |
| 1547 | } |
| 1548 | |
| 1549 | /* Flush the SYS Mq */ |
| 1550 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->sysTxMq) )) |
| 1551 | { |
| 1552 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
| 1553 | VOS_TRACE_LEVEL_INFO, |
| 1554 | "%s: Freeing TX SYS message type %d",__func__, |
| 1555 | pMsgWrapper->pVosMsg->type ); |
| 1556 | sysTxFreeMsg(pSchedContext->pVContext, pMsgWrapper->pVosMsg); |
| 1557 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1558 | } |
| 1559 | /* Flush the TL Mq */ |
| 1560 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->tlTxMq) )) |
| 1561 | { |
| 1562 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
| 1563 | VOS_TRACE_LEVEL_INFO, |
| 1564 | "%s: Freeing TX TL MSG message type %d",__func__, |
| 1565 | pMsgWrapper->pVosMsg->type ); |
| 1566 | WLANTL_TxFreeMsg(pSchedContext->pVContext, pMsgWrapper->pVosMsg); |
| 1567 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1568 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1569 | /* Flush the WDI Mq */ |
| 1570 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->wdiTxMq) )) |
| 1571 | { |
| 1572 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
| 1573 | VOS_TRACE_LEVEL_INFO, |
| 1574 | "%s: Freeing TX WDI MSG message type %d",__func__, |
| 1575 | pMsgWrapper->pVosMsg->type ); |
| 1576 | sysTxFreeMsg(pSchedContext->pVContext, pMsgWrapper->pVosMsg); |
| 1577 | vos_core_return_msg(pSchedContext->pVContext, pMsgWrapper); |
| 1578 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1579 | } /* vos_sched_flush_tx_mqs() */ |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1580 | /*------------------------------------------------------------------------- |
| 1581 | This helper function flushes all the RX message queues |
| 1582 | ------------------------------------------------------------------------*/ |
| 1583 | void vos_sched_flush_rx_mqs ( pVosSchedContext pSchedContext ) |
| 1584 | { |
| 1585 | pVosMsgWrapper pMsgWrapper = NULL; |
| 1586 | /* |
| 1587 | ** Here each of the RX thread MQ shall be drained and returned to the |
| 1588 | ** Core. Before returning a wrapper to the Core, the VOS message shall |
| 1589 | ** be freed first |
| 1590 | */ |
| 1591 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
| 1592 | VOS_TRACE_LEVEL_INFO, |
| 1593 | "%s: Flushing the RX Thread message queue",__func__); |
| 1594 | |
| 1595 | if (NULL == pSchedContext) |
| 1596 | { |
| 1597 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1598 | "%s: pSchedContext is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1599 | return; |
| 1600 | } |
| 1601 | |
| 1602 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->wdiRxMq) )) |
| 1603 | { |
| 1604 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
| 1605 | VOS_TRACE_LEVEL_INFO, |
| 1606 | "%s: Freeing RX WDI MSG message type %d",__func__, |
| 1607 | pMsgWrapper->pVosMsg->type ); |
| 1608 | sysTxFreeMsg(pSchedContext->pVContext, pMsgWrapper->pVosMsg); |
| 1609 | } |
| 1610 | |
| 1611 | while( NULL != (pMsgWrapper = vos_mq_get(&pSchedContext->sysRxMq) )) |
| 1612 | { |
| 1613 | VOS_TRACE( VOS_MODULE_ID_VOSS, |
| 1614 | VOS_TRACE_LEVEL_INFO, |
| 1615 | "%s: Freeing RX SYS MSG message type %d",__func__, |
| 1616 | pMsgWrapper->pVosMsg->type ); |
| 1617 | sysTxFreeMsg(pSchedContext->pVContext, pMsgWrapper->pVosMsg); |
| 1618 | } |
| 1619 | |
| 1620 | }/* vos_sched_flush_rx_mqs() */ |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1621 | |
| 1622 | /*------------------------------------------------------------------------- |
| 1623 | This helper function helps determine if thread id is of TX thread |
| 1624 | ------------------------------------------------------------------------*/ |
| 1625 | int vos_sched_is_tx_thread(int threadID) |
| 1626 | { |
| 1627 | // Make sure that Vos Scheduler context has been initialized |
| 1628 | VOS_ASSERT( NULL != gpVosSchedContext); |
| 1629 | if (gpVosSchedContext == NULL) |
| 1630 | { |
| 1631 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1632 | "%s: gpVosSchedContext == NULL",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1633 | return 0; |
| 1634 | } |
| 1635 | return ((gpVosSchedContext->TxThread) && (threadID == gpVosSchedContext->TxThread->pid)); |
| 1636 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1637 | /*------------------------------------------------------------------------- |
| 1638 | This helper function helps determine if thread id is of RX thread |
| 1639 | ------------------------------------------------------------------------*/ |
| 1640 | int vos_sched_is_rx_thread(int threadID) |
| 1641 | { |
| 1642 | // Make sure that Vos Scheduler context has been initialized |
| 1643 | VOS_ASSERT( NULL != gpVosSchedContext); |
| 1644 | if (gpVosSchedContext == NULL) |
| 1645 | { |
| 1646 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1647 | "%s: gpVosSchedContext == NULL",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1648 | return 0; |
| 1649 | } |
| 1650 | return ((gpVosSchedContext->RxThread) && (threadID == gpVosSchedContext->RxThread->pid)); |
| 1651 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1652 | /*------------------------------------------------------------------------- |
| 1653 | Helper function to get the scheduler context |
| 1654 | ------------------------------------------------------------------------*/ |
| 1655 | pVosSchedContext get_vos_sched_ctxt(void) |
| 1656 | { |
| 1657 | //Make sure that Vos Scheduler context has been initialized |
| 1658 | if (gpVosSchedContext == NULL) |
| 1659 | { |
| 1660 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1661 | "%s: gpVosSchedContext == NULL",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1662 | } |
| 1663 | return (gpVosSchedContext); |
| 1664 | } |
| 1665 | /*------------------------------------------------------------------------- |
| 1666 | Helper function to get the watchdog context |
| 1667 | ------------------------------------------------------------------------*/ |
| 1668 | pVosWatchdogContext get_vos_watchdog_ctxt(void) |
| 1669 | { |
| 1670 | //Make sure that Vos Scheduler context has been initialized |
| 1671 | if (gpVosWatchdogContext == NULL) |
| 1672 | { |
| 1673 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1674 | "%s: gpVosWatchdogContext == NULL",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1675 | } |
| 1676 | return (gpVosWatchdogContext); |
| 1677 | } |
| 1678 | /** |
| 1679 | @brief vos_watchdog_wlan_shutdown() |
| 1680 | |
| 1681 | This function is called to shutdown WLAN driver during SSR. |
| 1682 | Adapters are disabled, and the watchdog task will be signalled |
| 1683 | to shutdown WLAN driver. |
| 1684 | |
| 1685 | @param |
| 1686 | NONE |
| 1687 | @return |
| 1688 | VOS_STATUS_SUCCESS - Operation completed successfully. |
| 1689 | VOS_STATUS_E_FAILURE - Operation failed. |
| 1690 | |
| 1691 | */ |
| 1692 | VOS_STATUS vos_watchdog_wlan_shutdown(void) |
| 1693 | { |
| 1694 | v_CONTEXT_t pVosContext = NULL; |
| 1695 | hdd_context_t *pHddCtx = NULL; |
| 1696 | |
| 1697 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1698 | "%s: WLAN driver is shutting down ", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1699 | if (NULL == gpVosWatchdogContext) |
| 1700 | { |
| 1701 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1702 | "%s: Watchdog not enabled. LOGP ignored.", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1703 | return VOS_STATUS_E_FAILURE; |
| 1704 | } |
| 1705 | |
| 1706 | pVosContext = vos_get_global_context(VOS_MODULE_ID_HDD, NULL); |
| 1707 | pHddCtx = (hdd_context_t *)vos_get_context(VOS_MODULE_ID_HDD, pVosContext ); |
| 1708 | if (NULL == pHddCtx) |
| 1709 | { |
| 1710 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1711 | "%s: Invalid HDD Context", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1712 | return VOS_STATUS_E_FAILURE; |
| 1713 | } |
| 1714 | |
| 1715 | /* Take the lock here */ |
| 1716 | spin_lock(&gpVosWatchdogContext->wdLock); |
| 1717 | |
| 1718 | /* reuse the existing 'reset in progress' */ |
| 1719 | if (gpVosWatchdogContext->resetInProgress) |
| 1720 | { |
| 1721 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 1722 | "%s: Shutdown already in Progress. Ignoring signaling Watchdog", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1723 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1724 | /* Release the lock here */ |
| 1725 | spin_unlock(&gpVosWatchdogContext->wdLock); |
| 1726 | return VOS_STATUS_E_FAILURE; |
| 1727 | } |
| 1728 | /* reuse the existing 'logp in progress', eventhough it is not |
| 1729 | * exactly the same */ |
| 1730 | else if (pHddCtx->isLogpInProgress) |
| 1731 | { |
| 1732 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 1733 | "%s: shutdown/re-init already in Progress. Ignoring signaling Watchdog", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1734 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1735 | /* Release the lock here */ |
| 1736 | spin_unlock(&gpVosWatchdogContext->wdLock); |
| 1737 | return VOS_STATUS_E_FAILURE; |
| 1738 | } |
| 1739 | |
| 1740 | /* Set the flags so that all future CMD53 and Wext commands get blocked right away */ |
| 1741 | vos_set_logp_in_progress(VOS_MODULE_ID_VOSS, TRUE); |
Sameer Thalappil | 9ab2fe5 | 2013-10-22 12:50:24 -0700 | [diff] [blame] | 1742 | vos_set_reinit_in_progress(VOS_MODULE_ID_VOSS, FALSE); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1743 | pHddCtx->isLogpInProgress = TRUE; |
| 1744 | |
| 1745 | /* Release the lock here */ |
| 1746 | spin_unlock(&gpVosWatchdogContext->wdLock); |
| 1747 | |
| 1748 | if (pHddCtx->isLoadUnloadInProgress) |
| 1749 | { |
| 1750 | VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL, |
| 1751 | "%s: Load/unload in Progress. Ignoring signaling Watchdog", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1752 | __func__); |
Madan Mohan Koyyalamudi | b5da533 | 2012-10-15 17:23:21 -0700 | [diff] [blame] | 1753 | /* wcnss has crashed, and SSR has alredy been started by Kernel driver. |
| 1754 | * So disable SSR from WLAN driver */ |
| 1755 | hdd_set_ssr_required( HDD_SSR_DISABLED ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1756 | return VOS_STATUS_E_FAILURE; |
| 1757 | } |
| 1758 | /* Update Riva Reset Statistics */ |
| 1759 | pHddCtx->hddRivaResetStats++; |
| 1760 | #ifdef CONFIG_HAS_EARLYSUSPEND |
| 1761 | if(VOS_STATUS_SUCCESS != hdd_wlan_reset_initialization()) |
| 1762 | { |
| 1763 | VOS_ASSERT(0); |
| 1764 | } |
| 1765 | #endif |
| 1766 | |
| 1767 | set_bit(WD_WLAN_SHUTDOWN_EVENT_MASK, &gpVosWatchdogContext->wdEventFlag); |
| 1768 | set_bit(WD_POST_EVENT_MASK, &gpVosWatchdogContext->wdEventFlag); |
| 1769 | wake_up_interruptible(&gpVosWatchdogContext->wdWaitQueue); |
| 1770 | |
| 1771 | return VOS_STATUS_SUCCESS; |
| 1772 | } |
| 1773 | |
| 1774 | /** |
| 1775 | @brief vos_watchdog_wlan_re_init() |
| 1776 | |
| 1777 | This function is called to re-initialize WLAN driver, and this is |
| 1778 | called when Riva SS reboots. |
| 1779 | |
| 1780 | @param |
| 1781 | NONE |
| 1782 | @return |
| 1783 | VOS_STATUS_SUCCESS - Operation completed successfully. |
| 1784 | VOS_STATUS_E_FAILURE - Operation failed. |
| 1785 | |
| 1786 | */ |
| 1787 | VOS_STATUS vos_watchdog_wlan_re_init(void) |
| 1788 | { |
| 1789 | /* watchdog task is still running, it is not closed in shutdown */ |
| 1790 | set_bit(WD_WLAN_REINIT_EVENT_MASK, &gpVosWatchdogContext->wdEventFlag); |
| 1791 | set_bit(WD_POST_EVENT_MASK, &gpVosWatchdogContext->wdEventFlag); |
| 1792 | wake_up_interruptible(&gpVosWatchdogContext->wdWaitQueue); |
| 1793 | |
| 1794 | return VOS_STATUS_SUCCESS; |
| 1795 | } |