Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1 | /* |
Gopichand Nakkala | 92f07d8 | 2013-01-08 21:16:34 -0800 | [diff] [blame] | 2 | * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
| 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 | /* |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 22 | * Copyright (c) 2012, The Linux Foundation. All rights reserved. |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 23 | * |
| 24 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 25 | * |
| 26 | * |
| 27 | * Permission to use, copy, modify, and/or distribute this software for |
| 28 | * any purpose with or without fee is hereby granted, provided that the |
| 29 | * above copyright notice and this permission notice appear in all |
| 30 | * copies. |
| 31 | * |
| 32 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 33 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 34 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 35 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 36 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 37 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 38 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 39 | * PERFORMANCE OF THIS SOFTWARE. |
| 40 | */ |
| 41 | |
| 42 | /*============================================================================ |
| 43 | @file wlan_hdd_wmm.c |
| 44 | |
| 45 | This module (wlan_hdd_wmm.h interface + wlan_hdd_wmm.c implementation) |
| 46 | houses all the logic for WMM in HDD. |
| 47 | |
| 48 | On the control path, it has the logic to setup QoS, modify QoS and delete |
| 49 | QoS (QoS here refers to a TSPEC). The setup QoS comes in two flavors: an |
| 50 | explicit application invoked and an internal HDD invoked. The implicit QoS |
| 51 | is for applications that do NOT call the custom QCT WLAN OIDs for QoS but |
| 52 | which DO mark their traffic for priortization. It also has logic to start, |
| 53 | update and stop the U-APSD trigger frame generation. It also has logic to |
| 54 | read WMM related config parameters from the registry. |
| 55 | |
| 56 | On the data path, it has the logic to figure out the WMM AC of an egress |
| 57 | packet and when to signal TL to serve a particular AC queue. It also has the |
| 58 | logic to retrieve a packet based on WMM priority in response to a fetch from |
| 59 | TL. |
| 60 | |
| 61 | The remaining functions are utility functions for information hiding. |
| 62 | |
| 63 | |
| 64 | Copyright (c) 2008-9 QUALCOMM Incorporated. |
| 65 | All Rights Reserved. |
| 66 | Qualcomm Confidential and Proprietary |
| 67 | ============================================================================*/ |
| 68 | |
| 69 | /*--------------------------------------------------------------------------- |
| 70 | Include files |
| 71 | -------------------------------------------------------------------------*/ |
| 72 | #include <wlan_hdd_tx_rx.h> |
| 73 | #include <wlan_hdd_dp_utils.h> |
| 74 | #include <wlan_hdd_wmm.h> |
| 75 | #include <wlan_hdd_ether.h> |
| 76 | #include <linux/netdevice.h> |
| 77 | #include <linux/skbuff.h> |
| 78 | #include <linux/etherdevice.h> |
| 79 | #include <linux/if_vlan.h> |
| 80 | #include <linux/ip.h> |
| 81 | #include <linux/semaphore.h> |
| 82 | #include <wlan_hdd_hostapd.h> |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 83 | #include <wlan_hdd_softap_tx_rx.h> |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 84 | |
| 85 | // change logging behavior based upon debug flag |
| 86 | #ifdef HDD_WMM_DEBUG |
| 87 | #define WMM_TRACE_LEVEL_FATAL VOS_TRACE_LEVEL_FATAL |
| 88 | #define WMM_TRACE_LEVEL_ERROR VOS_TRACE_LEVEL_FATAL |
| 89 | #define WMM_TRACE_LEVEL_WARN VOS_TRACE_LEVEL_FATAL |
| 90 | #define WMM_TRACE_LEVEL_INFO VOS_TRACE_LEVEL_FATAL |
| 91 | #define WMM_TRACE_LEVEL_INFO_HIGH VOS_TRACE_LEVEL_FATAL |
| 92 | #define WMM_TRACE_LEVEL_INFO_LOW VOS_TRACE_LEVEL_FATAL |
| 93 | #else |
| 94 | #define WMM_TRACE_LEVEL_FATAL VOS_TRACE_LEVEL_FATAL |
| 95 | #define WMM_TRACE_LEVEL_ERROR VOS_TRACE_LEVEL_ERROR |
| 96 | #define WMM_TRACE_LEVEL_WARN VOS_TRACE_LEVEL_WARN |
| 97 | #define WMM_TRACE_LEVEL_INFO VOS_TRACE_LEVEL_INFO |
| 98 | #define WMM_TRACE_LEVEL_INFO_HIGH VOS_TRACE_LEVEL_INFO_HIGH |
| 99 | #define WMM_TRACE_LEVEL_INFO_LOW VOS_TRACE_LEVEL_INFO_LOW |
| 100 | #endif |
| 101 | |
| 102 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 103 | #define WLAN_HDD_MAX_DSCP 0x3f |
| 104 | |
| 105 | static sme_QosWmmUpType hddWmmDscpToUpMap[WLAN_HDD_MAX_DSCP+1]; |
| 106 | |
| 107 | const v_U8_t hddWmmUpToAcMap[] = { |
| 108 | WLANTL_AC_BE, |
| 109 | WLANTL_AC_BK, |
| 110 | WLANTL_AC_BK, |
| 111 | WLANTL_AC_BE, |
| 112 | WLANTL_AC_VI, |
| 113 | WLANTL_AC_VI, |
| 114 | WLANTL_AC_VO, |
| 115 | WLANTL_AC_VO |
| 116 | }; |
| 117 | |
| 118 | //Linux based UP -> AC Mapping |
| 119 | const v_U8_t hddLinuxUpToAcMap[8] = { |
| 120 | HDD_LINUX_AC_BE, |
| 121 | HDD_LINUX_AC_BK, |
| 122 | HDD_LINUX_AC_BK, |
| 123 | HDD_LINUX_AC_BE, |
| 124 | HDD_LINUX_AC_VI, |
| 125 | HDD_LINUX_AC_VI, |
| 126 | HDD_LINUX_AC_VO, |
| 127 | HDD_LINUX_AC_VO |
| 128 | }; |
| 129 | |
| 130 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 131 | /** |
| 132 | @brief hdd_wmm_enable_tl_uapsd() - function which decides whether and |
| 133 | how to update UAPSD parameters in TL |
| 134 | |
| 135 | @param pQosContext : [in] the pointer the QoS instance control block |
| 136 | |
| 137 | @return |
| 138 | None |
| 139 | */ |
| 140 | static void hdd_wmm_enable_tl_uapsd (hdd_wmm_qos_context_t* pQosContext) |
| 141 | { |
| 142 | hdd_adapter_t* pAdapter = pQosContext->pAdapter; |
| 143 | WLANTL_ACEnumType acType = pQosContext->acType; |
| 144 | hdd_wmm_ac_status_t *pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 145 | VOS_STATUS status; |
| 146 | v_U32_t service_interval; |
| 147 | v_U32_t suspension_interval; |
| 148 | sme_QosWmmDirType direction; |
| 149 | |
| 150 | |
| 151 | // The TSPEC must be valid |
| 152 | if (pAc->wmmAcTspecValid == VOS_FALSE) |
| 153 | { |
| 154 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 155 | "%s: Invoked with invalid TSPEC", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 156 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 157 | return; |
| 158 | } |
| 159 | |
| 160 | // determine the service interval |
| 161 | if (pAc->wmmAcTspecInfo.min_service_interval) |
| 162 | { |
| 163 | service_interval = pAc->wmmAcTspecInfo.min_service_interval; |
| 164 | } |
| 165 | else if (pAc->wmmAcTspecInfo.max_service_interval) |
| 166 | { |
| 167 | service_interval = pAc->wmmAcTspecInfo.max_service_interval; |
| 168 | } |
| 169 | else |
| 170 | { |
| 171 | // no service interval is present in the TSPEC |
| 172 | // this is OK, there just won't be U-APSD |
| 173 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 174 | "%s: No service interval supplied", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 175 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 176 | return; |
| 177 | } |
| 178 | |
| 179 | // determine the suspension interval & direction |
| 180 | suspension_interval = pAc->wmmAcTspecInfo.suspension_interval; |
| 181 | direction = pAc->wmmAcTspecInfo.ts_info.direction; |
| 182 | |
| 183 | // if we have previously enabled U-APSD, have any params changed? |
| 184 | if ((pAc->wmmAcUapsdInfoValid) && |
| 185 | (pAc->wmmAcUapsdServiceInterval == service_interval) && |
| 186 | (pAc->wmmAcUapsdSuspensionInterval == suspension_interval) && |
| 187 | (pAc->wmmAcUapsdDirection == direction)) |
| 188 | { |
| 189 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 190 | "%s: No change in U-APSD parameters", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 191 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 192 | return; |
| 193 | } |
| 194 | |
| 195 | // are we in the appropriate power save modes? |
| 196 | if (!sme_IsPowerSaveEnabled(WLAN_HDD_GET_HAL_CTX(pAdapter), ePMC_BEACON_MODE_POWER_SAVE)) |
| 197 | { |
| 198 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 199 | "%s: BMPS is not enabled", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 200 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 201 | return; |
| 202 | } |
| 203 | |
| 204 | if (!sme_IsPowerSaveEnabled(WLAN_HDD_GET_HAL_CTX(pAdapter), ePMC_UAPSD_MODE_POWER_SAVE)) |
| 205 | { |
| 206 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 207 | "%s: U-APSD is not enabled", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 208 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 209 | return; |
| 210 | } |
| 211 | |
| 212 | // everything is in place to notify TL |
| 213 | status = WLANTL_EnableUAPSDForAC((WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 214 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 215 | acType, |
| 216 | pAc->wmmAcTspecInfo.ts_info.tid, |
| 217 | pAc->wmmAcTspecInfo.ts_info.up, |
| 218 | service_interval, |
| 219 | suspension_interval, |
| 220 | direction); |
| 221 | |
| 222 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 223 | { |
| 224 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 225 | "%s: Failed to enable U-APSD for AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 226 | __func__, acType ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 227 | return; |
| 228 | } |
| 229 | |
| 230 | // stash away the parameters that were used |
| 231 | pAc->wmmAcUapsdInfoValid = VOS_TRUE; |
| 232 | pAc->wmmAcUapsdServiceInterval = service_interval; |
| 233 | pAc->wmmAcUapsdSuspensionInterval = suspension_interval; |
| 234 | pAc->wmmAcUapsdDirection = direction; |
| 235 | |
| 236 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 237 | "%s: Enabled UAPSD in TL srv_int=%ld " |
| 238 | "susp_int=%ld dir=%d AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 239 | __func__, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 240 | service_interval, |
| 241 | suspension_interval, |
| 242 | direction, |
| 243 | acType); |
| 244 | |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | @brief hdd_wmm_disable_tl_uapsd() - function which decides whether |
| 249 | to disable UAPSD parameters in TL |
| 250 | |
| 251 | @param pQosContext : [in] the pointer the QoS instance control block |
| 252 | |
| 253 | @return |
| 254 | None |
| 255 | */ |
| 256 | static void hdd_wmm_disable_tl_uapsd (hdd_wmm_qos_context_t* pQosContext) |
| 257 | { |
| 258 | hdd_adapter_t* pAdapter = pQosContext->pAdapter; |
| 259 | WLANTL_ACEnumType acType = pQosContext->acType; |
| 260 | hdd_wmm_ac_status_t *pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 261 | VOS_STATUS status; |
| 262 | |
| 263 | |
| 264 | // have we previously enabled UAPSD? |
| 265 | if (pAc->wmmAcUapsdInfoValid == VOS_TRUE) |
| 266 | { |
| 267 | status = WLANTL_DisableUAPSDForAC((WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 268 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 269 | acType); |
| 270 | |
| 271 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 272 | { |
| 273 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 274 | "%s: Failed to disable U-APSD for AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 275 | __func__, acType ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 276 | } |
| 277 | else |
| 278 | { |
| 279 | // TL no longer has valid UAPSD info |
| 280 | pAc->wmmAcUapsdInfoValid = VOS_FALSE; |
| 281 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 282 | "%s: Disabled UAPSD in TL for AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 283 | __func__, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 284 | acType); |
| 285 | } |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | #endif |
| 290 | |
| 291 | /** |
| 292 | @brief hdd_wmm_free_context() - function which frees a QoS context |
| 293 | |
| 294 | @param pQosContext : [in] the pointer the QoS instance control block |
| 295 | |
| 296 | @return |
| 297 | None |
| 298 | */ |
| 299 | static void hdd_wmm_free_context (hdd_wmm_qos_context_t* pQosContext) |
| 300 | { |
| 301 | hdd_adapter_t* pAdapter; |
| 302 | |
| 303 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 304 | "%s: Entered, context %p", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 305 | __func__, pQosContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 306 | |
| 307 | if (unlikely((NULL == pQosContext) || |
| 308 | (HDD_WMM_CTX_MAGIC != pQosContext->magic))) |
| 309 | { |
| 310 | // must have been freed in another thread |
| 311 | return; |
| 312 | } |
| 313 | |
| 314 | // get pointer to the adapter context |
| 315 | pAdapter = pQosContext->pAdapter; |
| 316 | |
| 317 | // take the wmmLock since we're manipulating the context list |
| 318 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 319 | |
| 320 | // make sure nobody thinks this is a valid context |
| 321 | pQosContext->magic = 0; |
| 322 | |
| 323 | // unlink the context |
| 324 | list_del(&pQosContext->node); |
| 325 | |
| 326 | // done manipulating the list |
| 327 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 328 | |
| 329 | // reclaim memory |
| 330 | kfree(pQosContext); |
| 331 | |
| 332 | } |
| 333 | |
| 334 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 335 | /** |
| 336 | @brief hdd_wmm_notify_app() - function which notifies an application |
| 337 | changes in state of it flow |
| 338 | |
| 339 | @param pQosContext : [in] the pointer the QoS instance control block |
| 340 | |
| 341 | @return |
| 342 | None |
| 343 | */ |
| 344 | #define MAX_NOTIFY_LEN 50 |
| 345 | static void hdd_wmm_notify_app (hdd_wmm_qos_context_t* pQosContext) |
| 346 | { |
| 347 | hdd_adapter_t* pAdapter; |
| 348 | union iwreq_data wrqu; |
| 349 | char buf[MAX_NOTIFY_LEN+1]; |
| 350 | |
| 351 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 352 | "%s: Entered, context %p", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 353 | __func__, pQosContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 354 | |
| 355 | if (unlikely((NULL == pQosContext) || |
| 356 | (HDD_WMM_CTX_MAGIC != pQosContext->magic))) |
| 357 | { |
| 358 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 359 | "%s: Invalid QoS Context", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 360 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 361 | return; |
| 362 | } |
| 363 | |
| 364 | |
| 365 | // create the event |
| 366 | memset(&wrqu, 0, sizeof(wrqu)); |
| 367 | memset(buf, 0, sizeof(buf)); |
| 368 | |
| 369 | snprintf(buf, MAX_NOTIFY_LEN, "QCOM: TS change[%u: %u]", |
| 370 | (unsigned int)pQosContext->handle, |
| 371 | (unsigned int)pQosContext->lastStatus); |
| 372 | |
| 373 | wrqu.data.pointer = buf; |
| 374 | wrqu.data.length = strlen(buf); |
| 375 | |
| 376 | // get pointer to the adapter |
| 377 | pAdapter = pQosContext->pAdapter; |
| 378 | |
| 379 | // send the event |
| 380 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 381 | "%s: Sending [%s]", __func__, buf); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 382 | wireless_send_event(pAdapter->dev, IWEVCUSTOM, &wrqu, buf); |
| 383 | } |
| 384 | |
| 385 | |
| 386 | /** |
| 387 | @brief hdd_wmm_is_access_allowed() - function which determines if access |
| 388 | is allowed for the given AC. this is designed to be called during SME |
| 389 | callback processing since that is when access can be granted or removed |
| 390 | |
| 391 | @param pAdapter : [in] pointer to adapter context |
| 392 | @param pAc : [in] pointer to the per-AC status |
| 393 | |
| 394 | @return : VOS_TRUE - access is allowed |
| 395 | : VOS_FALSE - access is not allowed |
| 396 | None |
| 397 | */ |
| 398 | static v_BOOL_t hdd_wmm_is_access_allowed(hdd_adapter_t* pAdapter, |
| 399 | hdd_wmm_ac_status_t* pAc) |
| 400 | { |
| 401 | // if we don't want QoS or the AP doesn't support QoS |
| 402 | // or we don't want to do implicit QoS |
| 403 | // or if AP doesn't require admission for this AC |
| 404 | // then we have access |
| 405 | if (!hdd_wmm_is_active(pAdapter) || |
| 406 | !(WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->bImplicitQosEnabled || |
| 407 | !pAc->wmmAcAccessRequired) |
| 408 | { |
| 409 | return VOS_TRUE; |
| 410 | } |
| 411 | |
| 412 | // if implicit QoS has already completed, successfully or not, |
| 413 | // then access is allowed |
| 414 | if (pAc->wmmAcAccessGranted || pAc->wmmAcAccessFailed) |
| 415 | { |
| 416 | return VOS_TRUE; |
| 417 | } |
| 418 | |
| 419 | // admission is required and implicit QoS hasn't completed |
| 420 | // however explicit QoS may have completed and we'll have |
| 421 | // a Tspec |
| 422 | // if we don't have a Tspec then access is not allowed |
| 423 | if (!pAc->wmmAcTspecValid) |
| 424 | { |
| 425 | return VOS_FALSE; |
| 426 | } |
| 427 | |
| 428 | // we have a Tspec -- does it allow upstream or bidirectional traffic? |
| 429 | // if it only allows downstream traffic then access is not allowed |
| 430 | if (pAc->wmmAcTspecInfo.ts_info.direction == SME_QOS_WMM_TS_DIR_DOWNLINK) |
| 431 | { |
| 432 | return VOS_FALSE; |
| 433 | } |
| 434 | |
| 435 | // we meet all of the criteria for access |
| 436 | return VOS_TRUE; |
| 437 | } |
| 438 | |
| 439 | #ifdef FEATURE_WLAN_CCX |
| 440 | /** |
| 441 | @brief hdd_wmm_inactivity_timer_cb() - timer handler function which is |
| 442 | called for every inactivity interval per AC. This function gets the |
| 443 | current transmitted packets on the given AC, and checks if there where |
| 444 | any TX activity from the previous interval. If there was no traffic |
| 445 | then it would delete the TS that was negotiated on that AC. |
| 446 | |
| 447 | @param pUserData : [in] pointer to pQosContext |
| 448 | |
| 449 | @return : NONE |
| 450 | */ |
| 451 | void hdd_wmm_inactivity_timer_cb( v_PVOID_t pUserData ) |
| 452 | { |
| 453 | hdd_wmm_qos_context_t* pQosContext = (hdd_wmm_qos_context_t*)pUserData; |
| 454 | hdd_adapter_t* pAdapter; |
| 455 | hdd_wmm_ac_status_t *pAc; |
| 456 | hdd_wlan_wmm_status_e status; |
| 457 | VOS_STATUS vos_status; |
| 458 | v_U32_t currentTrafficCnt = 0; |
| 459 | WLANTL_ACEnumType acType = pQosContext->acType; |
| 460 | |
| 461 | pAdapter = pQosContext->pAdapter; |
| 462 | pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 463 | |
| 464 | // Get the Tx stats for this AC. |
| 465 | currentTrafficCnt = pAdapter->hdd_stats.hddTxRxStats.txXmitClassifiedAC[pQosContext->acType]; |
| 466 | |
| 467 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_WARN, |
| 468 | FL("WMM inactivity Timer for AC=%d, currentCnt=%d, prevCnt=%d\n"), |
| 469 | acType, (int)currentTrafficCnt, (int)pAc->wmmPrevTrafficCnt); |
| 470 | if (pAc->wmmPrevTrafficCnt == currentTrafficCnt) |
| 471 | { |
| 472 | // If there is no traffic activity, delete the TSPEC for this AC |
| 473 | status = hdd_wmm_delts(pAdapter, pQosContext->handle); |
| 474 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_WARN, |
| 475 | FL("Deleted TS on AC %d, due to inactivity with status = %d!!!"), |
| 476 | acType, status); |
| 477 | } |
| 478 | else |
| 479 | { |
| 480 | pAc->wmmPrevTrafficCnt = currentTrafficCnt; |
| 481 | if (pAc->wmmInactivityTimer.state == VOS_TIMER_STATE_STOPPED) |
| 482 | { |
| 483 | // Restart the timer |
| 484 | vos_status = vos_timer_start(&pAc->wmmInactivityTimer, pAc->wmmInactivityTime); |
| 485 | if (!VOS_IS_STATUS_SUCCESS(vos_status)) |
| 486 | { |
| 487 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 488 | FL("Restarting inactivity timer failed on AC %d"), acType); |
| 489 | } |
| 490 | } |
| 491 | else |
| 492 | { |
| 493 | VOS_ASSERT(vos_timer_getCurrentState( |
| 494 | &pAc->wmmInactivityTimer) == VOS_TIMER_STATE_STOPPED); |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | return; |
| 499 | } |
| 500 | |
| 501 | |
| 502 | /** |
| 503 | @brief hdd_wmm_enable_inactivity_timer() - function to enable the |
| 504 | traffic inactivity timer for the given AC, if the inactivity_interval |
| 505 | specified in the ADDTS parameters is non-zero |
| 506 | |
| 507 | @param pQosContext : [in] pointer to pQosContext |
| 508 | @param inactivityTime: [in] value of the inactivity interval in millisecs |
| 509 | |
| 510 | @return : VOS_STATUS_E_FAILURE |
| 511 | VOS_STATUS_SUCCESS |
| 512 | */ |
| 513 | VOS_STATUS hdd_wmm_enable_inactivity_timer(hdd_wmm_qos_context_t* pQosContext, v_U32_t inactivityTime) |
| 514 | { |
| 515 | VOS_STATUS vos_status = VOS_STATUS_E_FAILURE; |
| 516 | hdd_adapter_t* pAdapter = pQosContext->pAdapter; |
| 517 | WLANTL_ACEnumType acType = pQosContext->acType; |
| 518 | hdd_wmm_ac_status_t *pAc; |
| 519 | |
| 520 | pAdapter = pQosContext->pAdapter; |
| 521 | pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 522 | |
| 523 | |
| 524 | // If QoS-Tspec is successfully setup and if the inactivity timer is non-zero, |
| 525 | // a traffic inactivity timer needs to be started for the given AC |
| 526 | vos_status = vos_timer_init( |
| 527 | &pAc->wmmInactivityTimer, |
| 528 | VOS_TIMER_TYPE_SW, |
| 529 | hdd_wmm_inactivity_timer_cb, |
| 530 | (v_PVOID_t)pQosContext ); |
| 531 | if ( !VOS_IS_STATUS_SUCCESS(vos_status)) |
| 532 | { |
| 533 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 534 | FL("Initializing inactivity timer failed on AC %d"), acType); |
| 535 | return vos_status; |
| 536 | } |
| 537 | |
| 538 | // Start the inactivity timer |
| 539 | vos_status = vos_timer_start( |
| 540 | &pAc->wmmInactivityTimer, |
| 541 | inactivityTime); |
| 542 | if ( !VOS_IS_STATUS_SUCCESS(vos_status)) |
| 543 | { |
| 544 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 545 | FL("Starting inactivity timer failed on AC %d"), acType); |
| 546 | return vos_status; |
| 547 | } |
| 548 | pAc->wmmInactivityTime = inactivityTime; |
| 549 | // Initialize the current tx traffic count on this AC |
| 550 | pAc->wmmPrevTrafficCnt = pAdapter->hdd_stats.hddTxRxStats.txXmitClassifiedAC[pQosContext->acType]; |
| 551 | |
| 552 | return vos_status; |
| 553 | } |
| 554 | |
| 555 | /** |
| 556 | @brief hdd_wmm_enable_inactivity_timer() - function to disable the |
| 557 | traffic inactivity timer for the given AC. This would be called when |
| 558 | deleting the TS. |
| 559 | |
| 560 | @param pQosContext : [in] pointer to pQosContext |
| 561 | |
| 562 | @return : VOS_STATUS_E_FAILURE |
| 563 | VOS_STATUS_SUCCESS |
| 564 | */ |
| 565 | VOS_STATUS hdd_wmm_disable_inactivity_timer(hdd_wmm_qos_context_t* pQosContext) |
| 566 | { |
| 567 | hdd_adapter_t* pAdapter = pQosContext->pAdapter; |
| 568 | WLANTL_ACEnumType acType = pQosContext->acType; |
| 569 | hdd_wmm_ac_status_t *pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 570 | VOS_STATUS vos_status = VOS_STATUS_E_FAILURE; |
| 571 | |
| 572 | // Clear the timer and the counter |
| 573 | pAc->wmmInactivityTime = 0; |
| 574 | pAc->wmmPrevTrafficCnt = 0; |
| 575 | vos_timer_stop(&pAc->wmmInactivityTimer); |
| 576 | vos_status = vos_timer_destroy(&pAc->wmmInactivityTimer); |
| 577 | |
| 578 | return vos_status; |
| 579 | } |
| 580 | #endif // FEATURE_WLAN_CCX |
| 581 | |
| 582 | /** |
| 583 | @brief hdd_wmm_sme_callback() - callback registered by HDD with SME for receiving |
| 584 | QoS notifications. Even though this function has a static scope it gets called |
| 585 | externally through some function pointer magic (so there is a need for |
| 586 | rigorous parameter checking) |
| 587 | |
| 588 | @param hHal : [in] the HAL handle |
| 589 | @param HddCtx : [in] the HDD specified handle |
| 590 | @param pCurrentQosInfo : [in] the TSPEC params |
| 591 | @param SmeStatus : [in] the QoS related SME status |
| 592 | |
| 593 | @return |
| 594 | eHAL_STATUS_SUCCESS if all good, eHAL_STATUS_FAILURE otherwise |
| 595 | */ |
| 596 | static eHalStatus hdd_wmm_sme_callback (tHalHandle hHal, |
| 597 | void * hddCtx, |
| 598 | sme_QosWmmTspecInfo* pCurrentQosInfo, |
| 599 | sme_QosStatusType smeStatus, |
| 600 | v_U32_t qosFlowId) |
| 601 | { |
| 602 | hdd_wmm_qos_context_t* pQosContext = hddCtx; |
| 603 | hdd_adapter_t* pAdapter; |
| 604 | WLANTL_ACEnumType acType; |
| 605 | hdd_wmm_ac_status_t *pAc; |
| 606 | VOS_STATUS status; |
| 607 | |
| 608 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 609 | "%s: Entered, context %p", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 610 | __func__, pQosContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 611 | |
| 612 | if (unlikely((NULL == pQosContext) || |
| 613 | (HDD_WMM_CTX_MAGIC != pQosContext->magic))) |
| 614 | { |
| 615 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 616 | "%s: Invalid QoS Context", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 617 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 618 | return eHAL_STATUS_FAILURE; |
| 619 | } |
| 620 | |
| 621 | pAdapter = pQosContext->pAdapter; |
| 622 | acType = pQosContext->acType; |
| 623 | pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 624 | |
| 625 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 626 | "%s: status %d flowid %d info %p", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 627 | __func__, smeStatus, qosFlowId, pCurrentQosInfo); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 628 | |
| 629 | switch (smeStatus) |
| 630 | { |
| 631 | |
| 632 | case SME_QOS_STATUS_SETUP_SUCCESS_IND: |
| 633 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 634 | "%s: Setup is complete", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 635 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 636 | |
| 637 | // there will always be a TSPEC returned with this status, even if |
| 638 | // a TSPEC is not exchanged OTA |
| 639 | if (pCurrentQosInfo) |
| 640 | { |
| 641 | pAc->wmmAcTspecValid = VOS_TRUE; |
| 642 | memcpy(&pAc->wmmAcTspecInfo, |
| 643 | pCurrentQosInfo, |
| 644 | sizeof(pAc->wmmAcTspecInfo)); |
| 645 | } |
| 646 | |
| 647 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) |
| 648 | { |
| 649 | |
| 650 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 651 | "%s: Implicit Qos, notifying TL for TL AC %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 652 | __func__, acType); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 653 | |
| 654 | // this was triggered by implicit QoS so we know packets are pending |
| 655 | // update state |
| 656 | pAc->wmmAcAccessAllowed = VOS_TRUE; |
| 657 | pAc->wmmAcAccessGranted = VOS_TRUE; |
| 658 | pAc->wmmAcAccessPending = VOS_FALSE; |
| 659 | |
| 660 | // notify TL that packets are pending |
| 661 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 662 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 663 | acType ); |
| 664 | |
| 665 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 666 | { |
| 667 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 668 | "%s: Failed to signal TL for AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 669 | __func__, acType ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 670 | } |
| 671 | } |
| 672 | else |
| 673 | { |
| 674 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 675 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 676 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 677 | |
| 678 | // this was triggered by an application |
| 679 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS; |
| 680 | hdd_wmm_notify_app(pQosContext); |
| 681 | } |
| 682 | |
| 683 | #ifdef FEATURE_WLAN_CCX |
| 684 | // Check if the inactivity interval is specified |
Jeff Johnson | 8795e42 | 2013-04-03 08:59:22 -0700 | [diff] [blame] | 685 | if (pCurrentQosInfo && pCurrentQosInfo->inactivity_interval) { |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 686 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 687 | "%s: Inactivity timer value = %d for AC=%d\n", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 688 | __func__, pCurrentQosInfo->inactivity_interval, acType); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 689 | hdd_wmm_enable_inactivity_timer(pQosContext, pCurrentQosInfo->inactivity_interval); |
| 690 | } |
| 691 | #endif // FEATURE_WLAN_CCX |
| 692 | |
| 693 | // notify TL to enable trigger frames if necessary |
| 694 | hdd_wmm_enable_tl_uapsd(pQosContext); |
| 695 | |
| 696 | break; |
| 697 | |
| 698 | case SME_QOS_STATUS_SETUP_SUCCESS_APSD_SET_ALREADY: |
| 699 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 700 | "%s: Setup is complete (U-APSD set previously)", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 701 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 702 | |
| 703 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) |
| 704 | { |
| 705 | |
| 706 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 707 | "%s: Implicit Qos, notifying TL", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 708 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 709 | |
| 710 | // this was triggered by implicit QoS so we know packets are pending |
| 711 | // update state |
| 712 | pAc->wmmAcAccessAllowed = VOS_TRUE; |
| 713 | pAc->wmmAcAccessGranted = VOS_TRUE; |
| 714 | pAc->wmmAcAccessPending = VOS_FALSE; |
| 715 | |
| 716 | // notify TL that packets are pending |
| 717 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 718 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 719 | acType ); |
| 720 | |
| 721 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 722 | { |
| 723 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 724 | "%s: Failed to signal TL for AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 725 | __func__, acType ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 726 | } |
| 727 | } |
| 728 | else |
| 729 | { |
| 730 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 731 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 732 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 733 | |
| 734 | // this was triggered by an application |
| 735 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| 736 | hdd_wmm_notify_app(pQosContext); |
| 737 | } |
| 738 | |
| 739 | break; |
| 740 | |
| 741 | case SME_QOS_STATUS_SETUP_FAILURE_RSP: |
| 742 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 743 | "%s: Setup failed", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 744 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 745 | // QoS setup failed |
| 746 | |
| 747 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) |
| 748 | { |
| 749 | |
| 750 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 751 | "%s: Implicit Qos, notifying TL", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 752 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 753 | |
| 754 | // we note the failure, but we also mark access as allowed so that |
| 755 | // the packets will flow. Note that the MAC will "do the right thing" |
| 756 | pAc->wmmAcAccessPending = VOS_FALSE; |
| 757 | pAc->wmmAcAccessFailed = VOS_TRUE; |
| 758 | pAc->wmmAcAccessAllowed = VOS_TRUE; |
| 759 | |
| 760 | // this was triggered by implicit QoS so we know packets are pending |
| 761 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 762 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 763 | acType ); |
| 764 | |
| 765 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 766 | { |
| 767 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 768 | "%s: Failed to signal TL for AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 769 | __func__, acType ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 770 | } |
| 771 | } |
| 772 | else |
| 773 | { |
| 774 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 775 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 776 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 777 | |
| 778 | // this was triggered by an application |
| 779 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_SETUP_FAILED; |
| 780 | hdd_wmm_notify_app(pQosContext); |
| 781 | } |
| 782 | |
| 783 | /* Setting up QoS Failed, QoS context can be released. |
| 784 | * SME is releasing this flow information and if HDD doen't release this context, |
| 785 | * next time if application uses the same handle to set-up QoS, HDD (as it has |
| 786 | * QoS context for this handle) will issue Modify QoS request to SME but SME will |
| 787 | * reject as no it has no information for this flow. |
| 788 | */ |
| 789 | hdd_wmm_free_context(pQosContext); |
| 790 | break; |
| 791 | |
| 792 | case SME_QOS_STATUS_SETUP_INVALID_PARAMS_RSP: |
| 793 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 794 | "%s: Setup Invalid Params, notify TL", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 795 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 796 | // QoS setup failed |
| 797 | |
| 798 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) |
| 799 | { |
| 800 | |
| 801 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 802 | "%s: Implicit Qos, notifying TL", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 803 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 804 | |
| 805 | // we note the failure, but we also mark access as allowed so that |
| 806 | // the packets will flow. Note that the MAC will "do the right thing" |
| 807 | pAc->wmmAcAccessPending = VOS_FALSE; |
| 808 | pAc->wmmAcAccessFailed = VOS_TRUE; |
| 809 | pAc->wmmAcAccessAllowed = VOS_TRUE; |
| 810 | |
| 811 | // this was triggered by implicit QoS so we know packets are pending |
| 812 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 813 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 814 | acType ); |
| 815 | |
| 816 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 817 | { |
| 818 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 819 | "%s: Failed to signal TL for AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 820 | __func__, acType ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 821 | } |
| 822 | } |
| 823 | else |
| 824 | { |
| 825 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 826 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 827 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 828 | |
| 829 | // this was triggered by an application |
| 830 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_SETUP_FAILED_BAD_PARAM; |
| 831 | hdd_wmm_notify_app(pQosContext); |
| 832 | } |
| 833 | break; |
| 834 | |
| 835 | case SME_QOS_STATUS_SETUP_NOT_QOS_AP_RSP: |
| 836 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 837 | "%s: Setup failed, not a QoS AP\n", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 838 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 839 | if (!HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) |
| 840 | { |
| 841 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 842 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 843 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 844 | |
| 845 | // this was triggered by an application |
| 846 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_SETUP_FAILED_NO_WMM; |
| 847 | hdd_wmm_notify_app(pQosContext); |
| 848 | } |
| 849 | break; |
| 850 | |
| 851 | case SME_QOS_STATUS_SETUP_REQ_PENDING_RSP: |
| 852 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 853 | "%s: Setup pending", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 854 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 855 | // not a callback status -- ignore if we get it |
| 856 | break; |
| 857 | |
| 858 | case SME_QOS_STATUS_SETUP_MODIFIED_IND: |
| 859 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 860 | "%s: Setup modified", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 861 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 862 | if (pCurrentQosInfo) |
| 863 | { |
| 864 | // update the TSPEC |
| 865 | pAc->wmmAcTspecValid = VOS_TRUE; |
| 866 | memcpy(&pAc->wmmAcTspecInfo, |
| 867 | pCurrentQosInfo, |
| 868 | sizeof(pAc->wmmAcTspecInfo)); |
| 869 | |
| 870 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) |
| 871 | { |
| 872 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 873 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 874 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 875 | |
| 876 | // this was triggered by an application |
| 877 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_MODIFIED; |
| 878 | hdd_wmm_notify_app(pQosContext); |
| 879 | } |
| 880 | |
| 881 | // need to tell TL to update its UAPSD handling |
| 882 | hdd_wmm_enable_tl_uapsd(pQosContext); |
| 883 | } |
| 884 | break; |
| 885 | |
| 886 | case SME_QOS_STATUS_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| 887 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) |
| 888 | { |
| 889 | |
| 890 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 891 | "%s: Implicit Qos, notifying TL", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 892 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 893 | |
| 894 | // this was triggered by implicit QoS so we know packets are pending |
| 895 | pAc->wmmAcAccessPending = VOS_FALSE; |
| 896 | pAc->wmmAcAccessGranted = VOS_TRUE; |
| 897 | pAc->wmmAcAccessAllowed = VOS_TRUE; |
| 898 | |
| 899 | // notify TL that packets are pending |
| 900 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 901 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 902 | acType ); |
| 903 | |
| 904 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 905 | { |
| 906 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 907 | "%s: Failed to signal TL for AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 908 | __func__, acType ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 909 | } |
| 910 | } |
| 911 | else |
| 912 | { |
| 913 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 914 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 915 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 916 | |
| 917 | // this was triggered by an application |
| 918 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_NO_UAPSD; |
| 919 | hdd_wmm_notify_app(pQosContext); |
| 920 | } |
| 921 | break; |
| 922 | |
| 923 | case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_PENDING: |
| 924 | // nothing to do for now |
| 925 | break; |
| 926 | |
| 927 | case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_SET_FAILED: |
| 928 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 929 | "%s: Setup successful but U-APSD failed", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 930 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 931 | |
| 932 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) |
| 933 | { |
| 934 | |
| 935 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 936 | "%s: Implicit Qos, notifying TL", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 937 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 938 | |
| 939 | // QoS setup was successful but setting U=APSD failed |
| 940 | // Since the OTA part of the request was successful, we don't mark |
| 941 | // this as a failure. |
| 942 | // the packets will flow. Note that the MAC will "do the right thing" |
| 943 | pAc->wmmAcAccessGranted = VOS_TRUE; |
| 944 | pAc->wmmAcAccessAllowed = VOS_TRUE; |
| 945 | pAc->wmmAcAccessFailed = VOS_FALSE; |
| 946 | pAc->wmmAcAccessPending = VOS_FALSE; |
| 947 | |
| 948 | // this was triggered by implicit QoS so we know packets are pending |
| 949 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 950 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 951 | acType ); |
| 952 | |
| 953 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 954 | { |
| 955 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 956 | "%s: Failed to signal TL for AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 957 | __func__, acType ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 958 | } |
| 959 | } |
| 960 | else |
| 961 | { |
| 962 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 963 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 964 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 965 | |
| 966 | // this was triggered by an application |
| 967 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_SETUP_UAPSD_SET_FAILED; |
| 968 | hdd_wmm_notify_app(pQosContext); |
| 969 | } |
| 970 | |
| 971 | // Since U-APSD portion failed disabled trigger frame generation |
| 972 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 973 | |
| 974 | break; |
| 975 | |
| 976 | case SME_QOS_STATUS_RELEASE_SUCCESS_RSP: |
| 977 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 978 | "%s: Release is complete", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 979 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 980 | |
| 981 | if (pCurrentQosInfo) |
| 982 | { |
| 983 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 984 | "%s: flows still active", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 985 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 986 | |
| 987 | // there is still at least one flow active for this AC |
| 988 | // so update the AC state |
| 989 | memcpy(&pAc->wmmAcTspecInfo, |
| 990 | pCurrentQosInfo, |
| 991 | sizeof(pAc->wmmAcTspecInfo)); |
| 992 | |
| 993 | // need to tell TL to update its UAPSD handling |
| 994 | hdd_wmm_enable_tl_uapsd(pQosContext); |
| 995 | } |
| 996 | else |
| 997 | { |
| 998 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 999 | "%s: last flow", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1000 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1001 | |
| 1002 | // this is the last flow active for this AC so update the AC state |
| 1003 | pAc->wmmAcTspecValid = VOS_FALSE; |
| 1004 | |
| 1005 | // need to tell TL to update its UAPSD handling |
| 1006 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 1007 | } |
| 1008 | |
| 1009 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) |
| 1010 | { |
| 1011 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1012 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1013 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1014 | |
| 1015 | // this was triggered by an application |
| 1016 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_RELEASE_SUCCESS; |
| 1017 | hdd_wmm_notify_app(pQosContext); |
| 1018 | } |
| 1019 | |
| 1020 | // we are done with this flow |
| 1021 | hdd_wmm_free_context(pQosContext); |
| 1022 | break; |
| 1023 | |
| 1024 | case SME_QOS_STATUS_RELEASE_FAILURE_RSP: |
| 1025 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1026 | "%s: Release failure", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1027 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1028 | |
| 1029 | // we don't need to update our state or TL since nothing has changed |
| 1030 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) |
| 1031 | { |
| 1032 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1033 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1034 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1035 | |
| 1036 | // this was triggered by an application |
| 1037 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_RELEASE_FAILED; |
| 1038 | hdd_wmm_notify_app(pQosContext); |
| 1039 | } |
| 1040 | |
| 1041 | break; |
| 1042 | |
| 1043 | case SME_QOS_STATUS_RELEASE_QOS_LOST_IND: |
| 1044 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1045 | "%s: QOS Lost indication received", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1046 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1047 | |
| 1048 | // current TSPEC is no longer valid |
| 1049 | pAc->wmmAcTspecValid = VOS_FALSE; |
| 1050 | |
| 1051 | // need to tell TL to update its UAPSD handling |
| 1052 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 1053 | |
| 1054 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) |
| 1055 | { |
| 1056 | // we no longer have implicit access granted |
| 1057 | pAc->wmmAcAccessGranted = VOS_FALSE; |
| 1058 | pAc->wmmAcAccessFailed = VOS_FALSE; |
| 1059 | } |
| 1060 | else |
| 1061 | { |
| 1062 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1063 | "%s: Explicit Qos, notifying userspace", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1064 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1065 | |
| 1066 | // this was triggered by an application |
| 1067 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_LOST; |
| 1068 | hdd_wmm_notify_app(pQosContext); |
| 1069 | } |
| 1070 | |
| 1071 | // we are done with this flow |
| 1072 | hdd_wmm_free_context(pQosContext); |
| 1073 | break; |
| 1074 | |
| 1075 | case SME_QOS_STATUS_RELEASE_REQ_PENDING_RSP: |
| 1076 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1077 | "%s: Release pending", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1078 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1079 | // not a callback status -- ignore if we get it |
| 1080 | break; |
| 1081 | |
| 1082 | case SME_QOS_STATUS_RELEASE_INVALID_PARAMS_RSP: |
| 1083 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1084 | "%s: Release Invalid Params", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1085 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1086 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) |
| 1087 | { |
| 1088 | // this was triggered by an application |
| 1089 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_RELEASE_FAILED_BAD_PARAM; |
| 1090 | hdd_wmm_notify_app(pQosContext); |
| 1091 | } |
| 1092 | break; |
| 1093 | |
| 1094 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_IND: |
| 1095 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1096 | "%s: Modification is complete, notify TL", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1097 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1098 | |
| 1099 | // there will always be a TSPEC returned with this status, even if |
| 1100 | // a TSPEC is not exchanged OTA |
| 1101 | if (pCurrentQosInfo) |
| 1102 | { |
| 1103 | pAc->wmmAcTspecValid = VOS_TRUE; |
| 1104 | memcpy(&pAc->wmmAcTspecInfo, |
| 1105 | pCurrentQosInfo, |
| 1106 | sizeof(pAc->wmmAcTspecInfo)); |
| 1107 | } |
| 1108 | |
| 1109 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) |
| 1110 | { |
| 1111 | // this was triggered by an application |
| 1112 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS; |
| 1113 | hdd_wmm_notify_app(pQosContext); |
| 1114 | } |
| 1115 | |
| 1116 | // notify TL to enable trigger frames if necessary |
| 1117 | hdd_wmm_enable_tl_uapsd(pQosContext); |
| 1118 | |
| 1119 | break; |
| 1120 | |
| 1121 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_APSD_SET_ALREADY: |
| 1122 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) |
| 1123 | { |
| 1124 | // this was triggered by an application |
| 1125 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| 1126 | hdd_wmm_notify_app(pQosContext); |
| 1127 | } |
| 1128 | break; |
| 1129 | |
| 1130 | case SME_QOS_STATUS_MODIFY_SETUP_FAILURE_RSP: |
| 1131 | // the flow modification failed so we'll leave in place |
| 1132 | // whatever existed beforehand |
| 1133 | |
| 1134 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) |
| 1135 | { |
| 1136 | // this was triggered by an application |
| 1137 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_MODIFY_FAILED; |
| 1138 | hdd_wmm_notify_app(pQosContext); |
| 1139 | } |
| 1140 | break; |
| 1141 | |
| 1142 | case SME_QOS_STATUS_MODIFY_SETUP_PENDING_RSP: |
| 1143 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1144 | "%s: modification pending", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1145 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1146 | // not a callback status -- ignore if we get it |
| 1147 | break; |
| 1148 | |
| 1149 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| 1150 | // the flow modification was successful but no QoS changes required |
| 1151 | |
| 1152 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) |
| 1153 | { |
| 1154 | // this was triggered by an application |
| 1155 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_NO_UAPSD; |
| 1156 | hdd_wmm_notify_app(pQosContext); |
| 1157 | } |
| 1158 | break; |
| 1159 | |
| 1160 | case SME_QOS_STATUS_MODIFY_SETUP_INVALID_PARAMS_RSP: |
| 1161 | // invalid params -- notify the application |
| 1162 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) |
| 1163 | { |
| 1164 | // this was triggered by an application |
| 1165 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_MODIFY_FAILED_BAD_PARAM; |
| 1166 | hdd_wmm_notify_app(pQosContext); |
| 1167 | } |
| 1168 | break; |
| 1169 | |
| 1170 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_IND_APSD_PENDING: |
| 1171 | // nothing to do for now. when APSD is established we'll have work to do |
| 1172 | break; |
| 1173 | |
| 1174 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_IND_APSD_SET_FAILED: |
| 1175 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1176 | "%s: Modify successful but U-APSD failed", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1177 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1178 | |
| 1179 | // QoS modification was successful but setting U=APSD failed. |
| 1180 | // This will always be an explicit QoS instance, so all we can |
| 1181 | // do is notify the application and let it clean up. |
| 1182 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) |
| 1183 | { |
| 1184 | // this was triggered by an application |
| 1185 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_MODIFY_UAPSD_SET_FAILED; |
| 1186 | hdd_wmm_notify_app(pQosContext); |
| 1187 | } |
| 1188 | |
| 1189 | // Since U-APSD portion failed disabled trigger frame generation |
| 1190 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 1191 | |
| 1192 | break; |
| 1193 | |
| 1194 | case SME_QOS_STATUS_HANDING_OFF: |
| 1195 | // no roaming so we won't see this |
| 1196 | break; |
| 1197 | |
| 1198 | case SME_QOS_STATUS_OUT_OF_APSD_POWER_MODE_IND: |
| 1199 | // need to tell TL to stop trigger frame generation |
| 1200 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 1201 | break; |
| 1202 | |
| 1203 | case SME_QOS_STATUS_INTO_APSD_POWER_MODE_IND: |
| 1204 | // need to tell TL to start sending trigger frames again |
| 1205 | hdd_wmm_enable_tl_uapsd(pQosContext); |
| 1206 | break; |
| 1207 | |
| 1208 | default: |
| 1209 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1210 | "%s: unexpected SME Status=%d\n", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1211 | __func__, smeStatus ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1212 | VOS_ASSERT(0); |
| 1213 | } |
| 1214 | |
| 1215 | // our access to the particular access category may have changed. |
| 1216 | // some of the implicit QoS cases above may have already set this |
| 1217 | // prior to invoking TL (so that we will properly service the |
| 1218 | // Tx queues) but let's consistently handle all cases here |
| 1219 | pAc->wmmAcAccessAllowed = hdd_wmm_is_access_allowed(pAdapter, pAc); |
| 1220 | |
| 1221 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1222 | "%s: complete, access for TL AC %d is%sallowed", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1223 | __func__, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1224 | acType, |
| 1225 | pAc->wmmAcAccessAllowed ? " " : " not "); |
| 1226 | |
| 1227 | return eHAL_STATUS_SUCCESS; |
| 1228 | } |
| 1229 | #endif |
| 1230 | |
| 1231 | /**============================================================================ |
| 1232 | @brief hdd_wmm_do_implicit_qos() - Function which will attempt to setup |
| 1233 | QoS for any AC requiring it |
| 1234 | |
| 1235 | @param work : [in] pointer to work structure |
| 1236 | |
| 1237 | @return : void |
| 1238 | ===========================================================================*/ |
| 1239 | static void hdd_wmm_do_implicit_qos(struct work_struct *work) |
| 1240 | { |
| 1241 | hdd_wmm_qos_context_t* pQosContext = |
| 1242 | container_of(work, hdd_wmm_qos_context_t, wmmAcSetupImplicitQos); |
| 1243 | hdd_adapter_t* pAdapter; |
| 1244 | WLANTL_ACEnumType acType; |
| 1245 | hdd_wmm_ac_status_t *pAc; |
| 1246 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 1247 | VOS_STATUS status; |
| 1248 | sme_QosStatusType smeStatus; |
| 1249 | #endif |
| 1250 | sme_QosWmmTspecInfo qosInfo; |
| 1251 | |
| 1252 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1253 | "%s: Entered, context %p", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1254 | __func__, pQosContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1255 | |
| 1256 | if (unlikely(HDD_WMM_CTX_MAGIC != pQosContext->magic)) |
| 1257 | { |
| 1258 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1259 | "%s: Invalid QoS Context", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1260 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1261 | return; |
| 1262 | } |
| 1263 | |
| 1264 | pAdapter = pQosContext->pAdapter; |
| 1265 | acType = pQosContext->acType; |
| 1266 | pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 1267 | |
| 1268 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1269 | "%s: pAdapter %p acType %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1270 | __func__, pAdapter, acType); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1271 | |
| 1272 | if (!pAc->wmmAcAccessNeeded) |
| 1273 | { |
| 1274 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1275 | "%s: AC %d doesn't need service", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1276 | __func__, acType); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1277 | pQosContext->magic = 0; |
| 1278 | kfree(pQosContext); |
| 1279 | return; |
| 1280 | } |
| 1281 | |
| 1282 | pAc->wmmAcAccessPending = VOS_TRUE; |
| 1283 | pAc->wmmAcAccessNeeded = VOS_FALSE; |
| 1284 | |
| 1285 | memset(&qosInfo, 0, sizeof(qosInfo)); |
| 1286 | |
| 1287 | switch (acType) |
| 1288 | { |
| 1289 | case WLANTL_AC_VO: |
| 1290 | qosInfo.ts_info.up = SME_QOS_WMM_UP_VO; |
| 1291 | qosInfo.ts_info.psb = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->UapsdMask & 0x01; |
| 1292 | qosInfo.ts_info.direction = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraDirAcVo; |
| 1293 | qosInfo.ts_info.tid = 255; |
| 1294 | qosInfo.mean_data_rate = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraMeanDataRateAcVo; |
| 1295 | qosInfo.min_phy_rate = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraMinPhyRateAcVo; |
| 1296 | qosInfo.min_service_interval = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdVoSrvIntv; |
| 1297 | qosInfo.nominal_msdu_size = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraNomMsduSizeAcVo; |
| 1298 | qosInfo.surplus_bw_allowance = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraSbaAcVo; |
| 1299 | qosInfo.suspension_interval = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdVoSuspIntv; |
| 1300 | break; |
| 1301 | case WLANTL_AC_VI: |
| 1302 | qosInfo.ts_info.up = SME_QOS_WMM_UP_VI; |
| 1303 | qosInfo.ts_info.psb = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->UapsdMask & 0x02; |
| 1304 | qosInfo.ts_info.direction = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraDirAcVi; |
| 1305 | qosInfo.ts_info.tid = 255; |
| 1306 | qosInfo.mean_data_rate = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraMeanDataRateAcVi; |
| 1307 | qosInfo.min_phy_rate = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraMinPhyRateAcVi; |
| 1308 | qosInfo.min_service_interval = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdViSrvIntv; |
| 1309 | qosInfo.nominal_msdu_size = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraNomMsduSizeAcVi; |
| 1310 | qosInfo.surplus_bw_allowance = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraSbaAcVi; |
| 1311 | qosInfo.suspension_interval = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdViSuspIntv; |
| 1312 | break; |
| 1313 | default: |
| 1314 | case WLANTL_AC_BE: |
| 1315 | qosInfo.ts_info.up = SME_QOS_WMM_UP_BE; |
| 1316 | qosInfo.ts_info.psb = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->UapsdMask & 0x08; |
| 1317 | qosInfo.ts_info.direction = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraDirAcBe; |
| 1318 | qosInfo.ts_info.tid = 255; |
| 1319 | qosInfo.mean_data_rate = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraMeanDataRateAcBe; |
| 1320 | qosInfo.min_phy_rate = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraMinPhyRateAcBe; |
| 1321 | qosInfo.min_service_interval = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdBeSrvIntv; |
| 1322 | qosInfo.nominal_msdu_size = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraNomMsduSizeAcBe; |
| 1323 | qosInfo.surplus_bw_allowance = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraSbaAcBe; |
| 1324 | qosInfo.suspension_interval = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdBeSuspIntv; |
| 1325 | break; |
| 1326 | case WLANTL_AC_BK: |
| 1327 | qosInfo.ts_info.up = SME_QOS_WMM_UP_BK; |
| 1328 | qosInfo.ts_info.psb = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->UapsdMask & 0x04; |
| 1329 | qosInfo.ts_info.direction = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraDirAcBk; |
| 1330 | qosInfo.ts_info.tid = 255; |
| 1331 | qosInfo.mean_data_rate = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraMeanDataRateAcBk; |
| 1332 | qosInfo.min_phy_rate = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraMinPhyRateAcBk; |
| 1333 | qosInfo.min_service_interval = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdBkSrvIntv; |
| 1334 | qosInfo.nominal_msdu_size = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraNomMsduSizeAcBk; |
| 1335 | qosInfo.surplus_bw_allowance = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraSbaAcBk; |
| 1336 | qosInfo.suspension_interval = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdBkSuspIntv; |
| 1337 | break; |
| 1338 | } |
| 1339 | #ifdef FEATURE_WLAN_CCX |
| 1340 | qosInfo.inactivity_interval = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraInactivityInterval; |
| 1341 | #endif |
| 1342 | qosInfo.ts_info.burst_size_defn = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->burstSizeDefinition; |
| 1343 | |
| 1344 | switch ((WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->tsInfoAckPolicy) |
| 1345 | { |
| 1346 | case HDD_WLAN_WMM_TS_INFO_ACK_POLICY_NORMAL_ACK: |
| 1347 | qosInfo.ts_info.ack_policy = SME_QOS_WMM_TS_ACK_POLICY_NORMAL_ACK; |
| 1348 | break; |
| 1349 | |
| 1350 | case HDD_WLAN_WMM_TS_INFO_ACK_POLICY_HT_IMMEDIATE_BLOCK_ACK: |
| 1351 | qosInfo.ts_info.ack_policy = SME_QOS_WMM_TS_ACK_POLICY_HT_IMMEDIATE_BLOCK_ACK; |
| 1352 | break; |
| 1353 | |
| 1354 | default: |
| 1355 | // unknown |
| 1356 | qosInfo.ts_info.ack_policy = SME_QOS_WMM_TS_ACK_POLICY_NORMAL_ACK; |
| 1357 | } |
| 1358 | |
| 1359 | if(qosInfo.ts_info.ack_policy == SME_QOS_WMM_TS_ACK_POLICY_HT_IMMEDIATE_BLOCK_ACK) |
| 1360 | { |
| 1361 | if(!sme_QosIsTSInfoAckPolicyValid((tpAniSirGlobal)WLAN_HDD_GET_HAL_CTX(pAdapter), &qosInfo, pAdapter->sessionId)) |
| 1362 | { |
| 1363 | qosInfo.ts_info.ack_policy = SME_QOS_WMM_TS_ACK_POLICY_NORMAL_ACK; |
| 1364 | } |
| 1365 | } |
| 1366 | |
| 1367 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 1368 | list_add(&pQosContext->node, &pAdapter->hddWmmStatus.wmmContextList); |
| 1369 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 1370 | |
| 1371 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 1372 | smeStatus = sme_QosSetupReq(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 1373 | pAdapter->sessionId, |
| 1374 | &qosInfo, |
| 1375 | hdd_wmm_sme_callback, |
| 1376 | pQosContext, |
| 1377 | qosInfo.ts_info.up, |
| 1378 | &pQosContext->qosFlowId); |
| 1379 | |
| 1380 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1381 | "%s: sme_QosSetupReq returned %d flowid %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1382 | __func__, smeStatus, pQosContext->qosFlowId); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1383 | |
| 1384 | // need to check the return values and act appropriately |
| 1385 | switch (smeStatus) |
| 1386 | { |
| 1387 | case SME_QOS_STATUS_SETUP_REQ_PENDING_RSP: |
| 1388 | case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_PENDING: |
| 1389 | // setup is pending, so no more work to do now. |
| 1390 | // all further work will be done in hdd_wmm_sme_callback() |
| 1391 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1392 | "%s: Setup is pending, no further work", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1393 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1394 | |
| 1395 | break; |
| 1396 | |
| 1397 | |
| 1398 | case SME_QOS_STATUS_SETUP_FAILURE_RSP: |
| 1399 | // we can't tell the difference between when a request fails because |
| 1400 | // AP rejected it versus when SME encountered an internal error |
| 1401 | |
| 1402 | // in either case SME won't ever reference this context so |
| 1403 | // free the record |
| 1404 | hdd_wmm_free_context(pQosContext); |
| 1405 | |
| 1406 | // fall through and start packets flowing |
| 1407 | case SME_QOS_STATUS_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| 1408 | // no ACM in effect, no need to setup U-APSD |
| 1409 | case SME_QOS_STATUS_SETUP_SUCCESS_APSD_SET_ALREADY: |
| 1410 | // no ACM in effect, U-APSD is desired but was already setup |
| 1411 | |
| 1412 | // for these cases everything is already setup so we can |
| 1413 | // signal TL that it has work to do |
| 1414 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1415 | "%s: Setup is complete, notify TL", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1416 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1417 | |
| 1418 | pAc->wmmAcAccessAllowed = VOS_TRUE; |
| 1419 | pAc->wmmAcAccessGranted = VOS_TRUE; |
| 1420 | pAc->wmmAcAccessPending = VOS_FALSE; |
| 1421 | |
| 1422 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 1423 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 1424 | acType ); |
| 1425 | |
| 1426 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 1427 | { |
| 1428 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1429 | "%s: Failed to signal TL for AC=%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1430 | __func__, acType ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1431 | } |
| 1432 | |
| 1433 | break; |
| 1434 | |
| 1435 | |
| 1436 | default: |
| 1437 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1438 | "%s: unexpected SME Status=%d\n", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1439 | __func__, smeStatus ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1440 | VOS_ASSERT(0); |
| 1441 | } |
| 1442 | #endif |
| 1443 | |
| 1444 | } |
| 1445 | |
| 1446 | /**============================================================================ |
| 1447 | @brief hdd_wmm_init() - Function which will initialize the WMM configuation |
| 1448 | and status to an initial state. The configuration can later be overwritten |
| 1449 | via application APIs |
| 1450 | |
| 1451 | @param pHddCtx : [in] pointer to HDD context |
| 1452 | |
| 1453 | @return : VOS_STATUS_SUCCESS if succssful |
| 1454 | : other values if failure |
| 1455 | |
| 1456 | ===========================================================================*/ |
| 1457 | VOS_STATUS hdd_wmm_init ( hdd_context_t* pHddCtx ) |
| 1458 | { |
| 1459 | v_U8_t dscp; |
| 1460 | |
| 1461 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1462 | "%s: Entered", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1463 | |
| 1464 | // DSCP to User Priority Lookup Table |
| 1465 | for (dscp = 0; dscp <= WLAN_HDD_MAX_DSCP; dscp++) |
| 1466 | { |
| 1467 | hddWmmDscpToUpMap[dscp] = SME_QOS_WMM_UP_BE; |
| 1468 | } |
| 1469 | hddWmmDscpToUpMap[8] = SME_QOS_WMM_UP_BK; |
| 1470 | hddWmmDscpToUpMap[16] = SME_QOS_WMM_UP_RESV; |
| 1471 | hddWmmDscpToUpMap[24] = SME_QOS_WMM_UP_EE; |
| 1472 | hddWmmDscpToUpMap[32] = SME_QOS_WMM_UP_CL; |
| 1473 | hddWmmDscpToUpMap[40] = SME_QOS_WMM_UP_VI; |
| 1474 | hddWmmDscpToUpMap[48] = SME_QOS_WMM_UP_VO; |
| 1475 | hddWmmDscpToUpMap[56] = SME_QOS_WMM_UP_NC; |
| 1476 | |
| 1477 | return VOS_STATUS_SUCCESS; |
| 1478 | } |
| 1479 | |
| 1480 | /**============================================================================ |
| 1481 | @brief hdd_wmm_adapter_init() - Function which will initialize the WMM configuation |
| 1482 | and status to an initial state. The configuration can later be overwritten |
| 1483 | via application APIs |
| 1484 | |
| 1485 | @param pAdapter : [in] pointer to Adapter context |
| 1486 | |
| 1487 | @return : VOS_STATUS_SUCCESS if succssful |
| 1488 | : other values if failure |
| 1489 | |
| 1490 | ===========================================================================*/ |
| 1491 | VOS_STATUS hdd_wmm_adapter_init( hdd_adapter_t *pAdapter ) |
| 1492 | { |
| 1493 | hdd_wmm_ac_status_t *pAcStatus; |
| 1494 | WLANTL_ACEnumType acType; |
| 1495 | |
| 1496 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1497 | "%s: Entered", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1498 | |
| 1499 | pAdapter->hddWmmStatus.wmmQap = VOS_FALSE; |
| 1500 | INIT_LIST_HEAD(&pAdapter->hddWmmStatus.wmmContextList); |
| 1501 | mutex_init(&pAdapter->hddWmmStatus.wmmLock); |
| 1502 | |
| 1503 | for (acType = 0; acType < WLANTL_MAX_AC; acType++) |
| 1504 | { |
| 1505 | pAcStatus = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 1506 | pAcStatus->wmmAcAccessRequired = VOS_FALSE; |
| 1507 | pAcStatus->wmmAcAccessNeeded = VOS_FALSE; |
| 1508 | pAcStatus->wmmAcAccessPending = VOS_FALSE; |
| 1509 | pAcStatus->wmmAcAccessFailed = VOS_FALSE; |
| 1510 | pAcStatus->wmmAcAccessGranted = VOS_FALSE; |
| 1511 | pAcStatus->wmmAcAccessAllowed = VOS_FALSE; |
| 1512 | pAcStatus->wmmAcTspecValid = VOS_FALSE; |
| 1513 | pAcStatus->wmmAcUapsdInfoValid = VOS_FALSE; |
| 1514 | } |
| 1515 | |
| 1516 | return VOS_STATUS_SUCCESS; |
| 1517 | } |
| 1518 | /**============================================================================ |
| 1519 | @brief hdd_wmm_close() - Function which will perform any necessary work to |
| 1520 | to clean up the WMM functionality prior to the kernel module unload |
| 1521 | |
| 1522 | @param pAdapter : [in] pointer to adapter context |
| 1523 | |
| 1524 | @return : VOS_STATUS_SUCCESS if succssful |
| 1525 | : other values if failure |
| 1526 | |
| 1527 | ===========================================================================*/ |
| 1528 | VOS_STATUS hdd_wmm_adapter_close ( hdd_adapter_t* pAdapter ) |
| 1529 | { |
| 1530 | hdd_wmm_qos_context_t* pQosContext; |
| 1531 | |
| 1532 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1533 | "%s: Entered", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1534 | |
| 1535 | // free any context records that we still have linked |
| 1536 | while (!list_empty(&pAdapter->hddWmmStatus.wmmContextList)) |
| 1537 | { |
| 1538 | pQosContext = list_first_entry(&pAdapter->hddWmmStatus.wmmContextList, |
| 1539 | hdd_wmm_qos_context_t, node); |
| 1540 | #ifdef FEATURE_WLAN_CCX |
| 1541 | hdd_wmm_disable_inactivity_timer(pQosContext); |
| 1542 | #endif |
| 1543 | hdd_wmm_free_context(pQosContext); |
| 1544 | } |
| 1545 | |
| 1546 | return VOS_STATUS_SUCCESS; |
| 1547 | } |
| 1548 | |
| 1549 | /**============================================================================ |
| 1550 | @brief hdd_wmm_classify_pkt() - Function which will classify an OS packet |
| 1551 | into a WMM AC based on either 802.1Q or DSCP |
| 1552 | |
| 1553 | @param pAdapter : [in] pointer to adapter context |
| 1554 | @param skb : [in] pointer to OS packet (sk_buff) |
| 1555 | @param pAcType : [out] pointer to WMM AC type of OS packet |
| 1556 | |
| 1557 | @return : None |
| 1558 | ===========================================================================*/ |
| 1559 | v_VOID_t hdd_wmm_classify_pkt ( hdd_adapter_t* pAdapter, |
| 1560 | struct sk_buff *skb, |
| 1561 | WLANTL_ACEnumType* pAcType, |
| 1562 | sme_QosWmmUpType *pUserPri) |
| 1563 | { |
| 1564 | unsigned char * pPkt; |
| 1565 | union generic_ethhdr *pHdr; |
| 1566 | struct iphdr *pIpHdr; |
| 1567 | unsigned char tos; |
| 1568 | unsigned char dscp; |
| 1569 | sme_QosWmmUpType userPri; |
| 1570 | WLANTL_ACEnumType acType; |
| 1571 | |
| 1572 | // this code is executed for every packet therefore |
| 1573 | // all debug code is kept conditional |
| 1574 | |
| 1575 | #ifdef HDD_WMM_DEBUG |
| 1576 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1577 | "%s: Entered", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1578 | #endif // HDD_WMM_DEBUG |
| 1579 | |
| 1580 | pPkt = skb->data; |
| 1581 | pHdr = (union generic_ethhdr *)pPkt; |
| 1582 | |
| 1583 | #ifdef HDD_WMM_DEBUG |
| 1584 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1585 | "%s: proto/length is 0x%04x", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1586 | __func__, pHdr->eth_II.h_proto); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1587 | #endif // HDD_WMM_DEBUG |
| 1588 | |
| 1589 | if (HDD_WMM_CLASSIFICATION_DSCP == (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->PktClassificationBasis) |
| 1590 | { |
| 1591 | if (pHdr->eth_II.h_proto == htons(ETH_P_IP)) |
| 1592 | { |
| 1593 | // case 1: Ethernet II IP packet |
| 1594 | pIpHdr = (struct iphdr *)&pPkt[sizeof(pHdr->eth_II)]; |
| 1595 | tos = pIpHdr->tos; |
| 1596 | #ifdef HDD_WMM_DEBUG |
| 1597 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1598 | "%s: Ethernet II IP Packet, tos is %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1599 | __func__, tos); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1600 | #endif // HDD_WMM_DEBUG |
| 1601 | |
| 1602 | } |
| 1603 | else if ((ntohs(pHdr->eth_II.h_proto) < WLAN_MIN_PROTO) && |
| 1604 | (pHdr->eth_8023.h_snap.dsap == WLAN_SNAP_DSAP) && |
| 1605 | (pHdr->eth_8023.h_snap.ssap == WLAN_SNAP_SSAP) && |
| 1606 | (pHdr->eth_8023.h_snap.ctrl == WLAN_SNAP_CTRL) && |
| 1607 | (pHdr->eth_8023.h_proto == htons(ETH_P_IP))) |
| 1608 | { |
| 1609 | // case 2: 802.3 LLC/SNAP IP packet |
| 1610 | pIpHdr = (struct iphdr *)&pPkt[sizeof(pHdr->eth_8023)]; |
| 1611 | tos = pIpHdr->tos; |
| 1612 | #ifdef HDD_WMM_DEBUG |
| 1613 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1614 | "%s: 802.3 LLC/SNAP IP Packet, tos is %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1615 | __func__, tos); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1616 | #endif // HDD_WMM_DEBUG |
| 1617 | } |
| 1618 | else if (pHdr->eth_II.h_proto == htons(ETH_P_8021Q)) |
| 1619 | { |
| 1620 | // VLAN tagged |
| 1621 | |
| 1622 | if (pHdr->eth_IIv.h_vlan_encapsulated_proto == htons(ETH_P_IP)) |
| 1623 | { |
| 1624 | // case 3: Ethernet II vlan-tagged IP packet |
| 1625 | pIpHdr = (struct iphdr *)&pPkt[sizeof(pHdr->eth_IIv)]; |
| 1626 | tos = pIpHdr->tos; |
| 1627 | #ifdef HDD_WMM_DEBUG |
| 1628 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1629 | "%s: Ethernet II VLAN tagged IP Packet, tos is %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1630 | __func__, tos); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1631 | #endif // HDD_WMM_DEBUG |
| 1632 | } |
| 1633 | else if ((ntohs(pHdr->eth_IIv.h_vlan_encapsulated_proto) < WLAN_MIN_PROTO) && |
| 1634 | (pHdr->eth_8023v.h_snap.dsap == WLAN_SNAP_DSAP) && |
| 1635 | (pHdr->eth_8023v.h_snap.ssap == WLAN_SNAP_SSAP) && |
| 1636 | (pHdr->eth_8023v.h_snap.ctrl == WLAN_SNAP_CTRL) && |
| 1637 | (pHdr->eth_8023v.h_proto == htons(ETH_P_IP))) |
| 1638 | { |
| 1639 | // case 4: 802.3 LLC/SNAP vlan-tagged IP packet |
| 1640 | pIpHdr = (struct iphdr *)&pPkt[sizeof(pHdr->eth_8023v)]; |
| 1641 | tos = pIpHdr->tos; |
| 1642 | #ifdef HDD_WMM_DEBUG |
| 1643 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1644 | "%s: 802.3 LLC/SNAP VLAN tagged IP Packet, tos is %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1645 | __func__, tos); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1646 | #endif // HDD_WMM_DEBUG |
| 1647 | } |
| 1648 | else |
| 1649 | { |
| 1650 | // default |
| 1651 | #ifdef HDD_WMM_DEBUG |
| 1652 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_WARN, |
| 1653 | "%s: VLAN tagged Unhandled Protocol, using default tos", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1654 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1655 | #endif // HDD_WMM_DEBUG |
| 1656 | tos = 0; |
| 1657 | } |
| 1658 | } |
| 1659 | else |
| 1660 | { |
| 1661 | // default |
| 1662 | #ifdef HDD_WMM_DEBUG |
| 1663 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_WARN, |
| 1664 | "%s: Unhandled Protocol, using default tos", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1665 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1666 | #endif // HDD_WMM_DEBUG |
| 1667 | //Give the highest priority to 802.1x packet |
| 1668 | if (pHdr->eth_II.h_proto == htons(HDD_ETHERTYPE_802_1_X)) |
| 1669 | tos = 0xC0; |
| 1670 | else |
| 1671 | tos = 0; |
| 1672 | } |
| 1673 | |
| 1674 | dscp = (tos>>2) & 0x3f; |
| 1675 | userPri = hddWmmDscpToUpMap[dscp]; |
| 1676 | |
| 1677 | #ifdef HDD_WMM_DEBUG |
| 1678 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1679 | "%s: tos is %d, dscp is %d, up is %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1680 | __func__, tos, dscp, userPri); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1681 | #endif // HDD_WMM_DEBUG |
| 1682 | |
| 1683 | } |
| 1684 | else if (HDD_WMM_CLASSIFICATION_802_1Q == (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->PktClassificationBasis) |
| 1685 | { |
| 1686 | if (pHdr->eth_IIv.h_vlan_proto == htons(ETH_P_8021Q)) |
| 1687 | { |
| 1688 | // VLAN tagged |
| 1689 | userPri = (ntohs(pHdr->eth_IIv.h_vlan_TCI)>>13) & 0x7; |
| 1690 | #ifdef HDD_WMM_DEBUG |
| 1691 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1692 | "%s: Tagged frame, UP is %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1693 | __func__, userPri); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1694 | #endif // HDD_WMM_DEBUG |
| 1695 | } |
| 1696 | else |
| 1697 | { |
| 1698 | // not VLAN tagged, use default |
| 1699 | #ifdef HDD_WMM_DEBUG |
| 1700 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_WARN, |
| 1701 | "%s: Untagged frame, using default UP", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1702 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1703 | #endif // HDD_WMM_DEBUG |
| 1704 | //Give the highest priority to 802.1x packet |
| 1705 | if (pHdr->eth_II.h_proto == htons(HDD_ETHERTYPE_802_1_X)) |
| 1706 | userPri = SME_QOS_WMM_UP_VO; |
| 1707 | else |
| 1708 | userPri = SME_QOS_WMM_UP_BE; |
| 1709 | } |
| 1710 | } |
| 1711 | else |
| 1712 | { |
| 1713 | // default |
| 1714 | #ifdef HDD_WMM_DEBUG |
| 1715 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1716 | "%s: Unknown classification scheme, using default UP", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1717 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1718 | #endif // HDD_WMM_DEBUG |
| 1719 | userPri = SME_QOS_WMM_UP_BE; |
| 1720 | } |
| 1721 | |
| 1722 | acType = hddWmmUpToAcMap[userPri]; |
| 1723 | |
| 1724 | #ifdef HDD_WMM_DEBUG |
| 1725 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1726 | "%s: UP is %d, AC is %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1727 | __func__, userPri, acType); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1728 | #endif // HDD_WMM_DEBUG |
| 1729 | |
| 1730 | *pUserPri = userPri; |
| 1731 | *pAcType = acType; |
| 1732 | |
| 1733 | return; |
| 1734 | } |
| 1735 | |
| 1736 | /**============================================================================ |
| 1737 | @brief hdd_hostapd_select_quueue() - Function which will classify the packet |
| 1738 | according to linux qdisc expectation. |
| 1739 | |
| 1740 | |
| 1741 | @param dev : [in] pointer to net_device structure |
| 1742 | @param skb : [in] pointer to os packet |
| 1743 | |
| 1744 | @return : Qdisc queue index |
| 1745 | ===========================================================================*/ |
| 1746 | v_U16_t hdd_hostapd_select_queue(struct net_device * dev, struct sk_buff *skb) |
| 1747 | { |
| 1748 | WLANTL_ACEnumType ac; |
| 1749 | sme_QosWmmUpType up = SME_QOS_WMM_UP_BE; |
| 1750 | v_USHORT_t queueIndex; |
| 1751 | v_MACADDR_t *pDestMacAddress = (v_MACADDR_t*)skb->data; |
| 1752 | hdd_adapter_t *pAdapter = (hdd_adapter_t *)netdev_priv(dev); |
| 1753 | hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1754 | v_U8_t STAId; |
| 1755 | v_U8_t *pSTAId = (v_U8_t *)(((v_U8_t *)(skb->data)) - 1); |
| 1756 | |
| 1757 | /*Get the Station ID*/ |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1758 | if (VOS_STATUS_SUCCESS != hdd_softap_GetStaId(pAdapter, pDestMacAddress, &STAId)) |
| 1759 | { |
Madan Mohan Koyyalamudi | f1d3995 | 2012-10-31 15:18:40 -0700 | [diff] [blame] | 1760 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1761 | "%s: Failed to find right station", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1762 | *pSTAId = HDD_WLAN_INVALID_STA_ID; |
| 1763 | goto done; |
| 1764 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1765 | |
| 1766 | spin_lock_bh( &pAdapter->staInfo_lock ); |
| 1767 | if (FALSE == vos_is_macaddr_equal(&pAdapter->aStaInfo[STAId].macAddrSTA, pDestMacAddress)) |
| 1768 | { |
| 1769 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1770 | "%s: Station MAC address does not matching", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1771 | |
| 1772 | *pSTAId = HDD_WLAN_INVALID_STA_ID; |
| 1773 | goto release_lock; |
| 1774 | } |
| 1775 | if (pAdapter->aStaInfo[STAId].isUsed && pAdapter->aStaInfo[STAId].isQosEnabled && (HDD_WMM_USER_MODE_NO_QOS != pHddCtx->cfg_ini->WmmMode)) |
| 1776 | { |
| 1777 | /* Get the user priority from IP header & corresponding AC */ |
| 1778 | hdd_wmm_classify_pkt (pAdapter, skb, &ac, &up); |
| 1779 | } |
| 1780 | *pSTAId = STAId; |
| 1781 | |
| 1782 | release_lock: |
| 1783 | spin_unlock_bh( &pAdapter->staInfo_lock ); |
| 1784 | done: |
| 1785 | skb->priority = up; |
| 1786 | queueIndex = hddLinuxUpToAcMap[skb->priority]; |
| 1787 | |
| 1788 | return queueIndex; |
| 1789 | } |
| 1790 | |
| 1791 | /**============================================================================ |
| 1792 | @brief hdd_wmm_select_quueue() - Function which will classify the packet |
| 1793 | according to linux qdisc expectation. |
| 1794 | |
| 1795 | |
| 1796 | @param dev : [in] pointer to net_device structure |
| 1797 | @param skb : [in] pointer to os packet |
| 1798 | |
| 1799 | @return : Qdisc queue index |
| 1800 | ===========================================================================*/ |
| 1801 | v_U16_t hdd_wmm_select_queue(struct net_device * dev, struct sk_buff *skb) |
| 1802 | { |
| 1803 | WLANTL_ACEnumType ac; |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 1804 | sme_QosWmmUpType up = SME_QOS_WMM_UP_BE; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1805 | v_USHORT_t queueIndex; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1806 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1807 | |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 1808 | /*Get the Station ID*/ |
| 1809 | if (WLAN_HDD_IBSS == pAdapter->device_mode) |
| 1810 | { |
| 1811 | v_U8_t *pSTAId = (v_U8_t *)(((v_U8_t *)(skb->data)) - 1); |
| 1812 | v_MACADDR_t *pDestMacAddress = (v_MACADDR_t*)skb->data; |
| 1813 | |
| 1814 | if ( VOS_STATUS_SUCCESS != |
| 1815 | hdd_Ibss_GetStaId(&pAdapter->sessionCtx.station, |
| 1816 | pDestMacAddress, pSTAId)) |
| 1817 | { |
| 1818 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
Jeff Johnson | b9fb9ce | 2013-05-03 08:11:02 -0700 | [diff] [blame] | 1819 | "%s: Failed to find right station pDestMacAddress: " |
| 1820 | MAC_ADDRESS_STR , __func__, |
| 1821 | MAC_ADDR_ARRAY(pDestMacAddress->bytes)); |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 1822 | *pSTAId = HDD_WLAN_INVALID_STA_ID; |
| 1823 | goto done; |
| 1824 | } |
| 1825 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1826 | // if we don't want QoS or the AP doesn't support Qos |
| 1827 | // All traffic will get equal opportuniy to transmit data frames. |
| 1828 | if( hdd_wmm_is_active(pAdapter) ) { |
| 1829 | /* Get the user priority from IP header & corresponding AC */ |
| 1830 | hdd_wmm_classify_pkt (pAdapter, skb, &ac, &up); |
| 1831 | } |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 1832 | done: |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1833 | skb->priority = up; |
| 1834 | queueIndex = hddLinuxUpToAcMap[skb->priority]; |
| 1835 | |
| 1836 | return queueIndex; |
| 1837 | } |
| 1838 | |
| 1839 | /**============================================================================ |
| 1840 | @brief hdd_wmm_acquire_access() - Function which will attempt to acquire |
| 1841 | admittance for a WMM AC |
| 1842 | |
| 1843 | @param pAdapter : [in] pointer to adapter context |
| 1844 | @param acType : [in] WMM AC type of OS packet |
| 1845 | @param pGranted : [out] pointer to boolean flag when indicates if access |
| 1846 | has been granted or not |
| 1847 | |
| 1848 | @return : VOS_STATUS_SUCCESS if succssful |
| 1849 | : other values if failure |
| 1850 | ===========================================================================*/ |
| 1851 | VOS_STATUS hdd_wmm_acquire_access( hdd_adapter_t* pAdapter, |
| 1852 | WLANTL_ACEnumType acType, |
| 1853 | v_BOOL_t * pGranted ) |
| 1854 | { |
| 1855 | hdd_wmm_qos_context_t *pQosContext; |
| 1856 | |
| 1857 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1858 | "%s: Entered for AC %d", __func__, acType); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1859 | |
| 1860 | if (!hdd_wmm_is_active(pAdapter) || !(WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->bImplicitQosEnabled) |
| 1861 | { |
| 1862 | // either we don't want QoS or the AP doesn't support QoS |
| 1863 | // or we don't want to do implicit QoS |
| 1864 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1865 | "%s: QoS not configured on both ends ", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1866 | |
| 1867 | pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessAllowed = VOS_TRUE; |
| 1868 | *pGranted = VOS_TRUE; |
| 1869 | return VOS_STATUS_SUCCESS; |
| 1870 | } |
| 1871 | |
| 1872 | // do we already have an implicit QoS request pending for this AC? |
| 1873 | if ((pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessNeeded) || |
| 1874 | (pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessPending)) |
| 1875 | { |
| 1876 | // request already pending so we need to wait for that response |
| 1877 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1878 | "%s: Implicit QoS for TL AC %d already scheduled", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1879 | __func__, acType); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1880 | |
| 1881 | *pGranted = VOS_FALSE; |
| 1882 | return VOS_STATUS_SUCCESS; |
| 1883 | } |
| 1884 | |
| 1885 | // did we already fail to establish implicit QoS for this AC? |
| 1886 | // (if so, access should have been granted when the failure was handled) |
| 1887 | if (pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessFailed) |
| 1888 | { |
| 1889 | // request previously failed |
| 1890 | // allow access, but we'll be downgraded |
| 1891 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1892 | "%s: Implicit QoS for TL AC %d previously failed", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1893 | __func__, acType); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1894 | |
| 1895 | pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessAllowed = VOS_TRUE; |
| 1896 | *pGranted = VOS_TRUE; |
| 1897 | return VOS_STATUS_SUCCESS; |
| 1898 | } |
| 1899 | |
| 1900 | // we need to establish implicit QoS |
| 1901 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1902 | "%s: Need to schedule implicit QoS for TL AC %d, pAdapter is %p", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1903 | __func__, acType, pAdapter); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1904 | |
| 1905 | pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessNeeded = VOS_TRUE; |
| 1906 | |
Mohit Khanna | 217ea8d | 2012-09-11 17:42:42 -0700 | [diff] [blame] | 1907 | pQosContext = kmalloc(sizeof(*pQosContext), GFP_ATOMIC); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1908 | if (NULL == pQosContext) |
| 1909 | { |
| 1910 | // no memory for QoS context. Nothing we can do but let data flow |
| 1911 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1912 | "%s: Unable to allocate context", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1913 | pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessAllowed = VOS_TRUE; |
| 1914 | *pGranted = VOS_TRUE; |
| 1915 | return VOS_STATUS_SUCCESS; |
| 1916 | } |
| 1917 | |
| 1918 | pQosContext->acType = acType; |
| 1919 | pQosContext->pAdapter = pAdapter; |
| 1920 | pQosContext->qosFlowId = 0; |
| 1921 | pQosContext->handle = HDD_WMM_HANDLE_IMPLICIT; |
| 1922 | pQosContext->magic = HDD_WMM_CTX_MAGIC; |
| 1923 | INIT_WORK(&pQosContext->wmmAcSetupImplicitQos, |
| 1924 | hdd_wmm_do_implicit_qos); |
| 1925 | |
| 1926 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1927 | "%s: Scheduling work for AC %d, context %p", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1928 | __func__, acType, pQosContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1929 | |
| 1930 | schedule_work(&pQosContext->wmmAcSetupImplicitQos); |
| 1931 | |
| 1932 | // caller will need to wait until the work takes place and |
| 1933 | // TSPEC negotiation completes |
| 1934 | *pGranted = VOS_FALSE; |
| 1935 | return VOS_STATUS_SUCCESS; |
| 1936 | } |
| 1937 | |
| 1938 | /**============================================================================ |
| 1939 | @brief hdd_wmm_assoc() - Function which will handle the housekeeping |
| 1940 | required by WMM when association takes place |
| 1941 | |
| 1942 | @param pAdapter : [in] pointer to adapter context |
| 1943 | @param pRoamInfo: [in] pointer to roam information |
| 1944 | @param eBssType : [in] type of BSS |
| 1945 | |
| 1946 | @return : VOS_STATUS_SUCCESS if succssful |
| 1947 | : other values if failure |
| 1948 | ===========================================================================*/ |
| 1949 | VOS_STATUS hdd_wmm_assoc( hdd_adapter_t* pAdapter, |
| 1950 | tCsrRoamInfo *pRoamInfo, |
| 1951 | eCsrRoamBssType eBssType ) |
| 1952 | { |
| 1953 | tANI_U8 uapsdMask; |
| 1954 | VOS_STATUS status; |
| 1955 | |
| 1956 | // when we associate we need to notify TL if it needs to enable |
| 1957 | // UAPSD for any access categories |
| 1958 | |
| 1959 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1960 | "%s: Entered", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1961 | |
| 1962 | if (pRoamInfo->fReassocReq) |
| 1963 | { |
| 1964 | // when we reassociate we should continue to use whatever |
| 1965 | // parameters were previously established. if we are |
| 1966 | // reassociating due to a U-APSD change for a particular |
| 1967 | // Access Category, then the change will be communicated |
| 1968 | // to HDD via the QoS callback associated with the given |
| 1969 | // flow, and U-APSD parameters will be updated there |
| 1970 | |
| 1971 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1972 | "%s: Reassoc so no work, Exiting", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1973 | |
| 1974 | return VOS_STATUS_SUCCESS; |
| 1975 | } |
| 1976 | |
| 1977 | // get the negotiated UAPSD Mask |
| 1978 | uapsdMask = pRoamInfo->u.pConnectedProfile->modifyProfileFields.uapsd_mask; |
| 1979 | |
| 1980 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1981 | "%s: U-APSD mask is 0x%02x", __func__, (int) uapsdMask); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1982 | |
| 1983 | if (uapsdMask & HDD_AC_VO) |
| 1984 | { |
| 1985 | status = WLANTL_EnableUAPSDForAC( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 1986 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 1987 | WLANTL_AC_VO, |
| 1988 | 7, |
| 1989 | 7, |
| 1990 | (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdVoSrvIntv, |
| 1991 | (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdVoSuspIntv, |
| 1992 | WLANTL_BI_DIR ); |
| 1993 | |
| 1994 | VOS_ASSERT( VOS_IS_STATUS_SUCCESS( status )); |
| 1995 | } |
| 1996 | |
| 1997 | if (uapsdMask & HDD_AC_VI) |
| 1998 | { |
| 1999 | status = WLANTL_EnableUAPSDForAC( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 2000 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 2001 | WLANTL_AC_VI, |
| 2002 | 5, |
| 2003 | 5, |
| 2004 | (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdViSrvIntv, |
| 2005 | (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdViSuspIntv, |
| 2006 | WLANTL_BI_DIR ); |
| 2007 | |
| 2008 | VOS_ASSERT( VOS_IS_STATUS_SUCCESS( status )); |
| 2009 | } |
| 2010 | |
| 2011 | if (uapsdMask & HDD_AC_BK) |
| 2012 | { |
| 2013 | status = WLANTL_EnableUAPSDForAC( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 2014 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 2015 | WLANTL_AC_BK, |
| 2016 | 2, |
| 2017 | 2, |
| 2018 | (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdBkSrvIntv, |
| 2019 | (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdBkSuspIntv, |
| 2020 | WLANTL_BI_DIR ); |
| 2021 | |
| 2022 | VOS_ASSERT( VOS_IS_STATUS_SUCCESS( status )); |
| 2023 | } |
| 2024 | |
| 2025 | if (uapsdMask & HDD_AC_BE) |
| 2026 | { |
| 2027 | status = WLANTL_EnableUAPSDForAC( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 2028 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId[0], |
| 2029 | WLANTL_AC_BE, |
| 2030 | 3, |
| 2031 | 3, |
| 2032 | (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdBeSrvIntv, |
| 2033 | (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdBeSuspIntv, |
| 2034 | WLANTL_BI_DIR ); |
| 2035 | |
| 2036 | VOS_ASSERT( VOS_IS_STATUS_SUCCESS( status )); |
| 2037 | } |
| 2038 | |
| 2039 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2040 | "%s: Exiting", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2041 | |
| 2042 | return VOS_STATUS_SUCCESS; |
| 2043 | } |
| 2044 | |
| 2045 | |
| 2046 | |
| 2047 | static const v_U8_t acmMaskBit[WLANTL_MAX_AC] = |
| 2048 | { |
| 2049 | 0x4, /* WLANTL_AC_BK */ |
| 2050 | 0x8, /* WLANTL_AC_BE */ |
| 2051 | 0x2, /* WLANTL_AC_VI */ |
| 2052 | 0x1 /* WLANTL_AC_VO */ |
| 2053 | }; |
| 2054 | |
| 2055 | /**============================================================================ |
| 2056 | @brief hdd_wmm_connect() - Function which will handle the housekeeping |
| 2057 | required by WMM when a connection is established |
| 2058 | |
| 2059 | @param pAdapter : [in] pointer to adapter context |
| 2060 | @param pRoamInfo: [in] pointer to roam information |
| 2061 | @param eBssType : [in] type of BSS |
| 2062 | |
| 2063 | @return : VOS_STATUS_SUCCESS if succssful |
| 2064 | : other values if failure |
| 2065 | ===========================================================================*/ |
| 2066 | VOS_STATUS hdd_wmm_connect( hdd_adapter_t* pAdapter, |
| 2067 | tCsrRoamInfo *pRoamInfo, |
| 2068 | eCsrRoamBssType eBssType ) |
| 2069 | { |
| 2070 | int ac; |
| 2071 | v_BOOL_t qap; |
| 2072 | v_BOOL_t qosConnection; |
| 2073 | v_U8_t acmMask; |
| 2074 | |
| 2075 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2076 | "%s: Entered", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2077 | |
| 2078 | if ((eCSR_BSS_TYPE_INFRASTRUCTURE == eBssType) && |
| 2079 | pRoamInfo && |
| 2080 | pRoamInfo->u.pConnectedProfile) |
| 2081 | { |
| 2082 | qap = pRoamInfo->u.pConnectedProfile->qap; |
| 2083 | qosConnection = pRoamInfo->u.pConnectedProfile->qosConnection; |
| 2084 | acmMask = pRoamInfo->u.pConnectedProfile->acm_mask; |
| 2085 | } |
| 2086 | else |
| 2087 | { |
| 2088 | qap = VOS_TRUE; |
| 2089 | qosConnection = VOS_TRUE; |
| 2090 | acmMask = 0x0; |
| 2091 | } |
| 2092 | |
| 2093 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2094 | "%s: qap is %d, qosConnection is %d, acmMask is 0x%x", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2095 | __func__, qap, qosConnection, acmMask); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2096 | |
| 2097 | pAdapter->hddWmmStatus.wmmQap = qap; |
| 2098 | pAdapter->hddWmmStatus.wmmQosConnection = qosConnection; |
| 2099 | |
| 2100 | for (ac = 0; ac < WLANTL_MAX_AC; ac++) |
| 2101 | { |
| 2102 | if (qap && |
| 2103 | qosConnection && |
| 2104 | (acmMask & acmMaskBit[ac])) |
| 2105 | { |
| 2106 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2107 | "%s: ac %d on", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2108 | __func__, ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2109 | |
| 2110 | // admission is required |
| 2111 | pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcAccessRequired = VOS_TRUE; |
| 2112 | pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcAccessAllowed = VOS_FALSE; |
| 2113 | pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcAccessGranted = VOS_FALSE; |
| 2114 | } |
| 2115 | else |
| 2116 | { |
| 2117 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2118 | "%s: ac %d off", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2119 | __func__, ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2120 | // admission is not required so access is allowed |
| 2121 | pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcAccessRequired = VOS_FALSE; |
| 2122 | pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcAccessAllowed = VOS_TRUE; |
| 2123 | } |
| 2124 | |
| 2125 | } |
| 2126 | |
| 2127 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2128 | "%s: Exiting", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2129 | |
| 2130 | return VOS_STATUS_SUCCESS; |
| 2131 | } |
| 2132 | |
| 2133 | /**============================================================================ |
| 2134 | @brief hdd_wmm_get_uapsd_mask() - Function which will calculate the |
| 2135 | initial value of the UAPSD mask based upon the device configuration |
| 2136 | |
| 2137 | @param pAdapter : [in] pointer to adapter context |
| 2138 | @param pUapsdMask: [in] pointer to where the UAPSD Mask is to be stored |
| 2139 | |
| 2140 | @return : VOS_STATUS_SUCCESS if succssful |
| 2141 | : other values if failure |
| 2142 | ===========================================================================*/ |
| 2143 | VOS_STATUS hdd_wmm_get_uapsd_mask( hdd_adapter_t* pAdapter, |
| 2144 | tANI_U8 *pUapsdMask ) |
| 2145 | { |
| 2146 | tANI_U8 uapsdMask; |
| 2147 | |
| 2148 | if (HDD_WMM_USER_MODE_NO_QOS == (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->WmmMode) |
| 2149 | { |
| 2150 | // no QOS then no UAPSD |
| 2151 | uapsdMask = 0; |
| 2152 | } |
| 2153 | else |
| 2154 | { |
| 2155 | // start with the default mask |
| 2156 | uapsdMask = (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->UapsdMask; |
| 2157 | |
| 2158 | // disable UAPSD for any ACs with a 0 Service Interval |
| 2159 | if( (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdVoSrvIntv == 0 ) |
| 2160 | { |
| 2161 | uapsdMask &= ~HDD_AC_VO; |
| 2162 | } |
| 2163 | |
| 2164 | if( (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdViSrvIntv == 0 ) |
| 2165 | { |
| 2166 | uapsdMask &= ~HDD_AC_VI; |
| 2167 | } |
| 2168 | |
| 2169 | if( (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdBkSrvIntv == 0 ) |
| 2170 | { |
| 2171 | uapsdMask &= ~HDD_AC_BK; |
| 2172 | } |
| 2173 | |
| 2174 | if( (WLAN_HDD_GET_CTX(pAdapter))->cfg_ini->InfraUapsdBeSrvIntv == 0 ) |
| 2175 | { |
| 2176 | uapsdMask &= ~HDD_AC_BE; |
| 2177 | } |
| 2178 | } |
| 2179 | |
| 2180 | // return calculated mask |
| 2181 | *pUapsdMask = uapsdMask; |
| 2182 | return VOS_STATUS_SUCCESS; |
| 2183 | } |
| 2184 | |
| 2185 | |
| 2186 | /**============================================================================ |
| 2187 | @brief hdd_wmm_is_active() - Function which will determine if WMM is |
| 2188 | active on the current connection |
| 2189 | |
| 2190 | @param pAdapter : [in] pointer to adapter context |
| 2191 | |
| 2192 | @return : VOS_TRUE if WMM is enabled |
| 2193 | : VOS_FALSE if WMM is not enabled |
| 2194 | ===========================================================================*/ |
| 2195 | v_BOOL_t hdd_wmm_is_active( hdd_adapter_t* pAdapter ) |
| 2196 | { |
| 2197 | if ((!pAdapter->hddWmmStatus.wmmQosConnection) || |
| 2198 | (!pAdapter->hddWmmStatus.wmmQap)) |
| 2199 | { |
| 2200 | return VOS_FALSE; |
| 2201 | } |
| 2202 | else |
| 2203 | { |
| 2204 | return VOS_TRUE; |
| 2205 | } |
| 2206 | } |
| 2207 | |
| 2208 | /**============================================================================ |
| 2209 | @brief hdd_wmm_addts() - Function which will add a traffic spec at the |
| 2210 | request of an application |
| 2211 | |
| 2212 | @param pAdapter : [in] pointer to adapter context |
| 2213 | @param handle : [in] handle to uniquely identify a TS |
| 2214 | @param pTspec : [in] pointer to the traffic spec |
| 2215 | |
| 2216 | @return : HDD_WLAN_WMM_STATUS_* |
| 2217 | ===========================================================================*/ |
| 2218 | hdd_wlan_wmm_status_e hdd_wmm_addts( hdd_adapter_t* pAdapter, |
| 2219 | v_U32_t handle, |
| 2220 | sme_QosWmmTspecInfo* pTspec ) |
| 2221 | { |
| 2222 | hdd_wmm_qos_context_t *pQosContext; |
| 2223 | hdd_wlan_wmm_status_e status = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS ; |
| 2224 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 2225 | sme_QosStatusType smeStatus; |
| 2226 | #endif |
| 2227 | v_BOOL_t found = VOS_FALSE; |
| 2228 | |
| 2229 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2230 | "%s: Entered with handle 0x%x", __func__, handle); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2231 | |
| 2232 | // see if a context already exists with the given handle |
| 2233 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2234 | list_for_each_entry(pQosContext, |
| 2235 | &pAdapter->hddWmmStatus.wmmContextList, |
| 2236 | node) |
| 2237 | { |
| 2238 | if (pQosContext->handle == handle) |
| 2239 | { |
| 2240 | found = VOS_TRUE; |
| 2241 | break; |
| 2242 | } |
| 2243 | } |
| 2244 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2245 | if (found) |
| 2246 | { |
| 2247 | // record with that handle already exists |
| 2248 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 2249 | "%s: Record already exists with handle 0x%x", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2250 | __func__, handle); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2251 | |
| 2252 | /* Application is trying to modify some of the Tspec params. Allow it */ |
| 2253 | smeStatus = sme_QosModifyReq(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 2254 | pTspec, |
| 2255 | pQosContext->qosFlowId); |
| 2256 | |
| 2257 | // need to check the return value and act appropriately |
| 2258 | switch (smeStatus) |
| 2259 | { |
| 2260 | case SME_QOS_STATUS_MODIFY_SETUP_PENDING_RSP: |
| 2261 | status = HDD_WLAN_WMM_STATUS_MODIFY_PENDING; |
| 2262 | break; |
| 2263 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| 2264 | status = HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_NO_UAPSD; |
| 2265 | break; |
| 2266 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_APSD_SET_ALREADY: |
| 2267 | status = HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| 2268 | break; |
| 2269 | case SME_QOS_STATUS_MODIFY_SETUP_INVALID_PARAMS_RSP: |
| 2270 | status = HDD_WLAN_WMM_STATUS_MODIFY_FAILED_BAD_PARAM; |
| 2271 | break; |
| 2272 | case SME_QOS_STATUS_MODIFY_SETUP_FAILURE_RSP: |
| 2273 | status = HDD_WLAN_WMM_STATUS_MODIFY_FAILED; |
| 2274 | break; |
| 2275 | case SME_QOS_STATUS_SETUP_NOT_QOS_AP_RSP: |
| 2276 | status = HDD_WLAN_WMM_STATUS_SETUP_FAILED_NO_WMM; |
| 2277 | break; |
| 2278 | default: |
| 2279 | // we didn't get back one of the SME_QOS_STATUS_MODIFY_* status codes |
| 2280 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
Gopichand Nakkala | 66c0bd0 | 2013-04-10 11:36:29 +0530 | [diff] [blame] | 2281 | "%s: unexpected SME Status=%d\n", __func__, smeStatus ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2282 | VOS_ASSERT(0); |
| 2283 | return HDD_WLAN_WMM_STATUS_MODIFY_FAILED; |
| 2284 | } |
| 2285 | |
| 2286 | // we were successful, save the status |
| 2287 | pQosContext->lastStatus = status; |
| 2288 | return status; |
| 2289 | } |
| 2290 | |
| 2291 | pQosContext = kmalloc(sizeof(*pQosContext), GFP_KERNEL); |
| 2292 | if (NULL == pQosContext) |
| 2293 | { |
| 2294 | // no memory for QoS context. Nothing we can do |
| 2295 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2296 | "%s: Unable to allocate QoS context", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2297 | return HDD_WLAN_WMM_STATUS_INTERNAL_FAILURE; |
| 2298 | } |
| 2299 | |
| 2300 | // we assume the tspec has already been validated by the caller |
| 2301 | |
| 2302 | pQosContext->handle = handle; |
| 2303 | pQosContext->acType = hddWmmUpToAcMap[pTspec->ts_info.up]; |
| 2304 | pQosContext->pAdapter = pAdapter; |
| 2305 | pQosContext->qosFlowId = 0; |
| 2306 | pQosContext->magic = HDD_WMM_CTX_MAGIC; |
| 2307 | |
| 2308 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 2309 | "%s: Setting up QoS, context %p", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2310 | __func__, pQosContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2311 | |
| 2312 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2313 | list_add(&pQosContext->node, &pAdapter->hddWmmStatus.wmmContextList); |
| 2314 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2315 | |
| 2316 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 2317 | smeStatus = sme_QosSetupReq(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 2318 | pAdapter->sessionId, |
| 2319 | pTspec, |
| 2320 | hdd_wmm_sme_callback, |
| 2321 | pQosContext, |
| 2322 | pTspec->ts_info.up, |
| 2323 | &pQosContext->qosFlowId); |
| 2324 | |
| 2325 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 2326 | "%s: sme_QosSetupReq returned %d flowid %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2327 | __func__, smeStatus, pQosContext->qosFlowId); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2328 | |
| 2329 | // need to check the return value and act appropriately |
| 2330 | switch (smeStatus) |
| 2331 | { |
| 2332 | case SME_QOS_STATUS_SETUP_REQ_PENDING_RSP: |
| 2333 | status = HDD_WLAN_WMM_STATUS_SETUP_PENDING; |
| 2334 | break; |
| 2335 | case SME_QOS_STATUS_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| 2336 | status = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_NO_UAPSD; |
| 2337 | break; |
| 2338 | case SME_QOS_STATUS_SETUP_SUCCESS_APSD_SET_ALREADY: |
| 2339 | status = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| 2340 | break; |
| 2341 | case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_PENDING: |
| 2342 | status = HDD_WLAN_WMM_STATUS_SETUP_PENDING; |
| 2343 | break; |
| 2344 | case SME_QOS_STATUS_SETUP_INVALID_PARAMS_RSP: |
| 2345 | hdd_wmm_free_context(pQosContext); |
| 2346 | return HDD_WLAN_WMM_STATUS_SETUP_FAILED_BAD_PARAM; |
| 2347 | case SME_QOS_STATUS_SETUP_FAILURE_RSP: |
| 2348 | // we can't tell the difference between when a request fails because |
| 2349 | // AP rejected it versus when SME encounterd an internal error |
| 2350 | hdd_wmm_free_context(pQosContext); |
| 2351 | return HDD_WLAN_WMM_STATUS_SETUP_FAILED; |
| 2352 | case SME_QOS_STATUS_SETUP_NOT_QOS_AP_RSP: |
| 2353 | hdd_wmm_free_context(pQosContext); |
| 2354 | return HDD_WLAN_WMM_STATUS_SETUP_FAILED_NO_WMM; |
| 2355 | default: |
| 2356 | // we didn't get back one of the SME_QOS_STATUS_SETUP_* status codes |
| 2357 | hdd_wmm_free_context(pQosContext); |
| 2358 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
Gopichand Nakkala | 66c0bd0 | 2013-04-10 11:36:29 +0530 | [diff] [blame] | 2359 | "%s: unexpected SME Status=%d\n", __func__, smeStatus ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2360 | VOS_ASSERT(0); |
| 2361 | return HDD_WLAN_WMM_STATUS_SETUP_FAILED; |
| 2362 | } |
| 2363 | #endif |
| 2364 | |
| 2365 | // we were successful, save the status |
| 2366 | pQosContext->lastStatus = status; |
| 2367 | |
| 2368 | return status; |
| 2369 | } |
| 2370 | |
| 2371 | /**============================================================================ |
| 2372 | @brief hdd_wmm_delts() - Function which will delete a traffic spec at the |
| 2373 | request of an application |
| 2374 | |
| 2375 | @param pAdapter : [in] pointer to adapter context |
| 2376 | @param handle : [in] handle to uniquely identify a TS |
| 2377 | |
| 2378 | @return : HDD_WLAN_WMM_STATUS_* |
| 2379 | ===========================================================================*/ |
| 2380 | hdd_wlan_wmm_status_e hdd_wmm_delts( hdd_adapter_t* pAdapter, |
| 2381 | v_U32_t handle ) |
| 2382 | { |
| 2383 | hdd_wmm_qos_context_t *pQosContext; |
| 2384 | v_BOOL_t found = VOS_FALSE; |
| 2385 | WLANTL_ACEnumType acType = 0; |
| 2386 | v_U32_t qosFlowId = 0; |
| 2387 | hdd_wlan_wmm_status_e status = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS ; |
| 2388 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 2389 | sme_QosStatusType smeStatus; |
| 2390 | #endif |
| 2391 | |
| 2392 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2393 | "%s: Entered with handle 0x%x", __func__, handle); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2394 | |
| 2395 | // locate the context with the given handle |
| 2396 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2397 | list_for_each_entry(pQosContext, |
| 2398 | &pAdapter->hddWmmStatus.wmmContextList, |
| 2399 | node) |
| 2400 | { |
| 2401 | if (pQosContext->handle == handle) |
| 2402 | { |
| 2403 | found = VOS_TRUE; |
| 2404 | acType = pQosContext->acType; |
| 2405 | qosFlowId = pQosContext->qosFlowId; |
| 2406 | break; |
| 2407 | } |
| 2408 | } |
| 2409 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2410 | |
| 2411 | if (VOS_FALSE == found) |
| 2412 | { |
| 2413 | // we didn't find the handle |
| 2414 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2415 | "%s: handle 0x%x not found", __func__, handle); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2416 | return HDD_WLAN_WMM_STATUS_RELEASE_FAILED_BAD_PARAM; |
| 2417 | } |
| 2418 | |
| 2419 | |
| 2420 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2421 | "%s: found handle 0x%x, flow %d, AC %d, context %p", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2422 | __func__, handle, qosFlowId, acType, pQosContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2423 | |
| 2424 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 2425 | smeStatus = sme_QosReleaseReq( WLAN_HDD_GET_HAL_CTX(pAdapter), qosFlowId ); |
| 2426 | |
| 2427 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2428 | "%s: SME flow %d released, SME status %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2429 | __func__, qosFlowId, smeStatus); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2430 | |
| 2431 | switch(smeStatus) |
| 2432 | { |
| 2433 | case SME_QOS_STATUS_RELEASE_SUCCESS_RSP: |
| 2434 | // this flow is the only one on that AC, so go ahead and update |
| 2435 | // our TSPEC state for the AC |
| 2436 | pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcTspecValid = VOS_FALSE; |
| 2437 | |
| 2438 | // need to tell TL to stop trigger timer, etc |
| 2439 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 2440 | |
| 2441 | #ifdef FEATURE_WLAN_CCX |
| 2442 | // disable the inactivity timer |
| 2443 | hdd_wmm_disable_inactivity_timer(pQosContext); |
| 2444 | #endif |
| 2445 | // we are done with this context |
| 2446 | hdd_wmm_free_context(pQosContext); |
| 2447 | |
| 2448 | // SME must not fire any more callbacks for this flow since the context |
| 2449 | // is no longer valid |
| 2450 | |
| 2451 | return HDD_WLAN_WMM_STATUS_RELEASE_SUCCESS; |
| 2452 | |
| 2453 | case SME_QOS_STATUS_RELEASE_REQ_PENDING_RSP: |
| 2454 | // do nothing as we will get a response from SME |
| 2455 | status = HDD_WLAN_WMM_STATUS_RELEASE_PENDING; |
| 2456 | break; |
| 2457 | |
| 2458 | case SME_QOS_STATUS_RELEASE_INVALID_PARAMS_RSP: |
| 2459 | // nothing we can do with the existing flow except leave it |
| 2460 | status = HDD_WLAN_WMM_STATUS_RELEASE_FAILED_BAD_PARAM; |
| 2461 | break; |
| 2462 | |
| 2463 | case SME_QOS_STATUS_RELEASE_FAILURE_RSP: |
| 2464 | // nothing we can do with the existing flow except leave it |
| 2465 | status = HDD_WLAN_WMM_STATUS_RELEASE_FAILED; |
| 2466 | |
| 2467 | default: |
| 2468 | // we didn't get back one of the SME_QOS_STATUS_RELEASE_* status codes |
| 2469 | VOS_TRACE( VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
Gopichand Nakkala | 66c0bd0 | 2013-04-10 11:36:29 +0530 | [diff] [blame] | 2470 | "%s: unexpected SME Status=%d\n", __func__, smeStatus ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2471 | VOS_ASSERT(0); |
| 2472 | status = HDD_WLAN_WMM_STATUS_RELEASE_FAILED; |
| 2473 | } |
| 2474 | |
| 2475 | #endif |
| 2476 | pQosContext->lastStatus = status; |
| 2477 | return status; |
| 2478 | } |
| 2479 | |
| 2480 | /**============================================================================ |
| 2481 | @brief hdd_wmm_checkts() - Function which will return the status of a traffic |
| 2482 | spec at the request of an application |
| 2483 | |
| 2484 | @param pAdapter : [in] pointer to adapter context |
| 2485 | @param handle : [in] handle to uniquely identify a TS |
| 2486 | |
| 2487 | @return : HDD_WLAN_WMM_STATUS_* |
| 2488 | ===========================================================================*/ |
| 2489 | hdd_wlan_wmm_status_e hdd_wmm_checkts( hdd_adapter_t* pAdapter, |
| 2490 | v_U32_t handle ) |
| 2491 | { |
| 2492 | hdd_wmm_qos_context_t *pQosContext; |
| 2493 | hdd_wlan_wmm_status_e status = HDD_WLAN_WMM_STATUS_LOST; |
| 2494 | |
| 2495 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2496 | "%s: Entered with handle 0x%x", __func__, handle); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2497 | |
| 2498 | // locate the context with the given handle |
| 2499 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2500 | list_for_each_entry(pQosContext, |
| 2501 | &pAdapter->hddWmmStatus.wmmContextList, |
| 2502 | node) |
| 2503 | { |
| 2504 | if (pQosContext->handle == handle) |
| 2505 | { |
| 2506 | VOS_TRACE(VOS_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2507 | "%s: found handle 0x%x, context %p", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 2508 | __func__, handle, pQosContext); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2509 | |
| 2510 | status = pQosContext->lastStatus; |
| 2511 | break; |
| 2512 | } |
| 2513 | } |
| 2514 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2515 | return status; |
| 2516 | } |