Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2 | * Copyright (c) 2013-2016 The Linux Foundation. All rights reserved. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * DOC: HDD WMM |
| 30 | * |
| 31 | * This module (wlan_hdd_wmm.h interface + wlan_hdd_wmm.c implementation) |
| 32 | * houses all the logic for WMM in HDD. |
| 33 | * |
| 34 | * On the control path, it has the logic to setup QoS, modify QoS and delete |
| 35 | * QoS (QoS here refers to a TSPEC). The setup QoS comes in two flavors: an |
| 36 | * explicit application invoked and an internal HDD invoked. The implicit QoS |
| 37 | * is for applications that do NOT call the custom QCT WLAN OIDs for QoS but |
| 38 | * which DO mark their traffic for priortization. It also has logic to start, |
| 39 | * update and stop the U-APSD trigger frame generation. It also has logic to |
| 40 | * read WMM related config parameters from the registry. |
| 41 | * |
| 42 | * On the data path, it has the logic to figure out the WMM AC of an egress |
| 43 | * packet and when to signal TL to serve a particular AC queue. It also has the |
| 44 | * logic to retrieve a packet based on WMM priority in response to a fetch from |
| 45 | * TL. |
| 46 | * |
| 47 | * The remaining functions are utility functions for information hiding. |
| 48 | */ |
| 49 | |
| 50 | /* Include files */ |
| 51 | #include <linux/netdevice.h> |
| 52 | #include <linux/skbuff.h> |
| 53 | #include <linux/etherdevice.h> |
| 54 | #include <linux/if_vlan.h> |
| 55 | #include <linux/ip.h> |
| 56 | #include <linux/semaphore.h> |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 57 | #include <linux/ipv6.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 58 | #include <wlan_hdd_tx_rx.h> |
| 59 | #include <wlan_hdd_wmm.h> |
| 60 | #include <wlan_hdd_ether.h> |
| 61 | #include <wlan_hdd_hostapd.h> |
| 62 | #include <wlan_hdd_softap_tx_rx.h> |
| 63 | #include <cds_sched.h> |
| 64 | |
| 65 | /* change logging behavior based upon debug flag */ |
| 66 | #ifdef HDD_WMM_DEBUG |
| 67 | #define WMM_TRACE_LEVEL_FATAL CDF_TRACE_LEVEL_FATAL |
| 68 | #define WMM_TRACE_LEVEL_ERROR CDF_TRACE_LEVEL_FATAL |
| 69 | #define WMM_TRACE_LEVEL_WARN CDF_TRACE_LEVEL_FATAL |
| 70 | #define WMM_TRACE_LEVEL_INFO CDF_TRACE_LEVEL_FATAL |
| 71 | #define WMM_TRACE_LEVEL_INFO_HIGH CDF_TRACE_LEVEL_FATAL |
| 72 | #define WMM_TRACE_LEVEL_INFO_LOW CDF_TRACE_LEVEL_FATAL |
| 73 | #else |
| 74 | #define WMM_TRACE_LEVEL_FATAL CDF_TRACE_LEVEL_FATAL |
| 75 | #define WMM_TRACE_LEVEL_ERROR CDF_TRACE_LEVEL_ERROR |
| 76 | #define WMM_TRACE_LEVEL_WARN CDF_TRACE_LEVEL_WARN |
| 77 | #define WMM_TRACE_LEVEL_INFO CDF_TRACE_LEVEL_INFO |
| 78 | #define WMM_TRACE_LEVEL_INFO_HIGH CDF_TRACE_LEVEL_INFO_HIGH |
| 79 | #define WMM_TRACE_LEVEL_INFO_LOW CDF_TRACE_LEVEL_INFO_LOW |
| 80 | #endif |
| 81 | |
| 82 | #define WLAN_HDD_MAX_DSCP 0x3f |
| 83 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 84 | #define HDD_WMM_UP_TO_AC_MAP_SIZE 8 |
| 85 | |
| 86 | const uint8_t hdd_wmm_up_to_ac_map[] = { |
| 87 | SME_AC_BE, |
| 88 | SME_AC_BK, |
| 89 | SME_AC_BK, |
| 90 | SME_AC_BE, |
| 91 | SME_AC_VI, |
| 92 | SME_AC_VI, |
| 93 | SME_AC_VO, |
| 94 | SME_AC_VO |
| 95 | }; |
| 96 | |
| 97 | /** |
| 98 | * enum hdd_wmm_linuxac: AC/Queue Index values for Linux Qdisc to |
| 99 | * operate on different traffic. |
| 100 | */ |
| 101 | #ifdef QCA_LL_TX_FLOW_CONTROL_V2 |
| 102 | enum hdd_wmm_linuxac { |
| 103 | HDD_LINUX_AC_VO = 0, |
| 104 | HDD_LINUX_AC_VI = 1, |
| 105 | HDD_LINUX_AC_BE = 2, |
| 106 | HDD_LINUX_AC_BK = 3, |
| 107 | HDD_LINUX_AC_HI_PRIO = 4, |
| 108 | }; |
| 109 | |
| 110 | void wlan_hdd_process_peer_unauthorised_pause(hdd_adapter_t *adapter) |
| 111 | { |
| 112 | /* Enable HI_PRIO queue */ |
| 113 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VO); |
| 114 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VI); |
| 115 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BE); |
| 116 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BK); |
| 117 | netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_HI_PRIO); |
| 118 | |
| 119 | } |
| 120 | #else |
| 121 | enum hdd_wmm_linuxac { |
| 122 | HDD_LINUX_AC_VO = 0, |
| 123 | HDD_LINUX_AC_VI = 1, |
| 124 | HDD_LINUX_AC_BE = 2, |
| 125 | HDD_LINUX_AC_BK = 3 |
| 126 | }; |
| 127 | |
| 128 | void wlan_hdd_process_peer_unauthorised_pause(hdd_adapter_t *adapter) |
| 129 | { |
| 130 | return; |
| 131 | } |
| 132 | #endif |
| 133 | |
| 134 | /* Linux based UP -> AC Mapping */ |
| 135 | const uint8_t hdd_linux_up_to_ac_map[HDD_WMM_UP_TO_AC_MAP_SIZE] = { |
| 136 | HDD_LINUX_AC_BE, |
| 137 | HDD_LINUX_AC_BK, |
| 138 | HDD_LINUX_AC_BK, |
| 139 | HDD_LINUX_AC_BE, |
| 140 | HDD_LINUX_AC_VI, |
| 141 | HDD_LINUX_AC_VI, |
| 142 | HDD_LINUX_AC_VO, |
| 143 | HDD_LINUX_AC_VO |
| 144 | }; |
| 145 | |
| 146 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 147 | /** |
| 148 | * hdd_wmm_enable_tl_uapsd() - function which decides whether and |
| 149 | * how to update UAPSD parameters in TL |
| 150 | * |
| 151 | * @pQosContext: [in] the pointer the QoS instance control block |
| 152 | * |
| 153 | * Return: None |
| 154 | */ |
| 155 | static void hdd_wmm_enable_tl_uapsd(hdd_wmm_qos_context_t *pQosContext) |
| 156 | { |
| 157 | hdd_adapter_t *pAdapter = pQosContext->pAdapter; |
| 158 | sme_ac_enum_type acType = pQosContext->acType; |
| 159 | hdd_wmm_ac_status_t *pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 160 | hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 161 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 162 | uint32_t service_interval; |
| 163 | uint32_t suspension_interval; |
| 164 | sme_QosWmmDirType direction; |
| 165 | bool psb; |
| 166 | |
| 167 | /* The TSPEC must be valid */ |
| 168 | if (pAc->wmmAcTspecValid == false) { |
| 169 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 170 | "%s: Invoked with invalid TSPEC", __func__); |
| 171 | return; |
| 172 | } |
| 173 | /* determine the service interval */ |
| 174 | if (pAc->wmmAcTspecInfo.min_service_interval) { |
| 175 | service_interval = pAc->wmmAcTspecInfo.min_service_interval; |
| 176 | } else if (pAc->wmmAcTspecInfo.max_service_interval) { |
| 177 | service_interval = pAc->wmmAcTspecInfo.max_service_interval; |
| 178 | } else { |
| 179 | /* no service interval is present in the TSPEC */ |
| 180 | /* this is OK, there just won't be U-APSD */ |
| 181 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 182 | "%s: No service interval supplied", __func__); |
| 183 | service_interval = 0; |
| 184 | } |
| 185 | |
| 186 | /* determine the suspension interval & direction */ |
| 187 | suspension_interval = pAc->wmmAcTspecInfo.suspension_interval; |
| 188 | direction = pAc->wmmAcTspecInfo.ts_info.direction; |
| 189 | psb = pAc->wmmAcTspecInfo.ts_info.psb; |
| 190 | |
| 191 | /* if we have previously enabled U-APSD, have any params changed? */ |
| 192 | if ((pAc->wmmAcUapsdInfoValid) && |
| 193 | (pAc->wmmAcUapsdServiceInterval == service_interval) && |
| 194 | (pAc->wmmAcUapsdSuspensionInterval == suspension_interval) && |
| 195 | (pAc->wmmAcUapsdDirection == direction) && |
| 196 | (pAc->wmmAcIsUapsdEnabled == psb)) { |
| 197 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 198 | "%s: No change in U-APSD parameters", __func__); |
| 199 | return; |
| 200 | } |
| 201 | /* everything is in place to notify TL */ |
| 202 | status = |
| 203 | sme_enable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))->pcds_context, |
| 204 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))-> |
| 205 | conn_info.staId[0], acType, |
| 206 | pAc->wmmAcTspecInfo.ts_info.tid, |
| 207 | pAc->wmmAcTspecInfo.ts_info.up, |
| 208 | service_interval, suspension_interval, |
| 209 | direction, psb, pAdapter->sessionId, |
| 210 | pHddCtx->config->DelayedTriggerFrmInt); |
| 211 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 212 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 213 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 214 | "%s: Failed to enable U-APSD for AC=%d", |
| 215 | __func__, acType); |
| 216 | return; |
| 217 | } |
| 218 | /* stash away the parameters that were used */ |
| 219 | pAc->wmmAcUapsdInfoValid = true; |
| 220 | pAc->wmmAcUapsdServiceInterval = service_interval; |
| 221 | pAc->wmmAcUapsdSuspensionInterval = suspension_interval; |
| 222 | pAc->wmmAcUapsdDirection = direction; |
| 223 | pAc->wmmAcIsUapsdEnabled = psb; |
| 224 | |
| 225 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 226 | "%s: Enabled UAPSD in TL srv_int=%d " |
| 227 | "susp_int=%d dir=%d AC=%d", |
| 228 | __func__, |
| 229 | service_interval, suspension_interval, direction, acType); |
| 230 | |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * hdd_wmm_disable_tl_uapsd() - function which decides whether |
| 235 | * to disable UAPSD parameters in TL |
| 236 | * |
| 237 | * @pQosContext: [in] the pointer the QoS instance control block |
| 238 | * |
| 239 | * Return: None |
| 240 | */ |
| 241 | static void hdd_wmm_disable_tl_uapsd(hdd_wmm_qos_context_t *pQosContext) |
| 242 | { |
| 243 | hdd_adapter_t *pAdapter = pQosContext->pAdapter; |
| 244 | sme_ac_enum_type acType = pQosContext->acType; |
| 245 | hdd_wmm_ac_status_t *pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 246 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 247 | |
| 248 | /* have we previously enabled UAPSD? */ |
| 249 | if (pAc->wmmAcUapsdInfoValid == true) { |
Sreelakshmi Konamki | e1ce562 | 2015-11-23 15:04:05 +0530 | [diff] [blame] | 250 | status = |
| 251 | sme_disable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))-> |
| 252 | pcds_context, |
| 253 | (WLAN_HDD_GET_STATION_CTX_PTR |
| 254 | (pAdapter))->conn_info.staId[0], |
| 255 | acType, pAdapter->sessionId); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 256 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 257 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Sreelakshmi Konamki | e1ce562 | 2015-11-23 15:04:05 +0530 | [diff] [blame] | 258 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 259 | "%s: Failed to disable U-APSD for AC=%d", |
| 260 | __func__, acType); |
| 261 | } else { |
| 262 | /* TL no longer has valid UAPSD info */ |
| 263 | pAc->wmmAcUapsdInfoValid = false; |
| 264 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 265 | "%s: Disabled UAPSD in TL for AC=%d", |
| 266 | __func__, acType); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 267 | } |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | #endif |
| 272 | |
| 273 | /** |
| 274 | * hdd_wmm_free_context() - function which frees a QoS context |
| 275 | * |
| 276 | * @pQosContext: [in] the pointer the QoS instance control block |
| 277 | * |
| 278 | * Return: None |
| 279 | */ |
| 280 | static void hdd_wmm_free_context(hdd_wmm_qos_context_t *pQosContext) |
| 281 | { |
| 282 | hdd_adapter_t *pAdapter; |
| 283 | |
| 284 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 285 | "%s: Entered, context %p", __func__, pQosContext); |
| 286 | |
| 287 | if (unlikely((NULL == pQosContext) || |
| 288 | (HDD_WMM_CTX_MAGIC != pQosContext->magic))) { |
| 289 | /* must have been freed in another thread */ |
| 290 | return; |
| 291 | } |
| 292 | /* get pointer to the adapter context */ |
| 293 | pAdapter = pQosContext->pAdapter; |
| 294 | |
| 295 | /* take the wmmLock since we're manipulating the context list */ |
| 296 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 297 | |
| 298 | /* make sure nobody thinks this is a valid context */ |
| 299 | pQosContext->magic = 0; |
| 300 | |
| 301 | /* unlink the context */ |
| 302 | list_del(&pQosContext->node); |
| 303 | |
| 304 | /* done manipulating the list */ |
| 305 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 306 | |
| 307 | /* reclaim memory */ |
| 308 | kfree(pQosContext); |
| 309 | |
| 310 | } |
| 311 | |
| 312 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 313 | /** |
| 314 | * hdd_wmm_notify_app() - function which notifies an application |
| 315 | * of changes in state of it flow |
| 316 | * |
| 317 | * @pQosContext: [in] the pointer the QoS instance control block |
| 318 | * |
| 319 | * Return: None |
| 320 | */ |
| 321 | #define MAX_NOTIFY_LEN 50 |
| 322 | static void hdd_wmm_notify_app(hdd_wmm_qos_context_t *pQosContext) |
| 323 | { |
| 324 | hdd_adapter_t *pAdapter; |
| 325 | union iwreq_data wrqu; |
| 326 | char buf[MAX_NOTIFY_LEN + 1]; |
| 327 | |
| 328 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 329 | "%s: Entered, context %p", __func__, pQosContext); |
| 330 | |
| 331 | if (unlikely((NULL == pQosContext) || |
| 332 | (HDD_WMM_CTX_MAGIC != pQosContext->magic))) { |
| 333 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 334 | "%s: Invalid QoS Context", __func__); |
| 335 | return; |
| 336 | } |
| 337 | |
| 338 | /* create the event */ |
| 339 | memset(&wrqu, 0, sizeof(wrqu)); |
| 340 | memset(buf, 0, sizeof(buf)); |
| 341 | |
| 342 | snprintf(buf, MAX_NOTIFY_LEN, "QCOM: TS change[%u: %u]", |
| 343 | (unsigned int)pQosContext->handle, |
| 344 | (unsigned int)pQosContext->lastStatus); |
| 345 | |
| 346 | wrqu.data.pointer = buf; |
| 347 | wrqu.data.length = strlen(buf); |
| 348 | |
| 349 | /* get pointer to the adapter */ |
| 350 | pAdapter = pQosContext->pAdapter; |
| 351 | |
| 352 | /* send the event */ |
| 353 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 354 | "%s: Sending [%s]", __func__, buf); |
| 355 | wireless_send_event(pAdapter->dev, IWEVCUSTOM, &wrqu, buf); |
| 356 | } |
| 357 | |
| 358 | #ifdef FEATURE_WLAN_ESE |
| 359 | /** |
| 360 | * hdd_wmm_inactivity_timer_cb() - inactivity timer callback function |
| 361 | * |
| 362 | * @user_data: opaque user data registered with the timer. In the |
| 363 | * case of this timer, the associated wmm QoS context is registered. |
| 364 | * |
| 365 | * This timer handler function is called for every inactivity interval |
| 366 | * per AC. This function gets the current transmitted packets on the |
| 367 | * given AC, and checks if there was any TX activity from the previous |
| 368 | * interval. If there was no traffic then it would delete the TS that |
| 369 | * was negotiated on that AC. |
| 370 | * |
| 371 | * Return: None |
| 372 | */ |
| 373 | static void hdd_wmm_inactivity_timer_cb(void *user_data) |
| 374 | { |
| 375 | hdd_wmm_qos_context_t *pQosContext = user_data; |
| 376 | hdd_adapter_t *pAdapter; |
| 377 | hdd_wmm_ac_status_t *pAc; |
| 378 | hdd_wlan_wmm_status_e status; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 379 | QDF_STATUS qdf_status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 380 | uint32_t currentTrafficCnt = 0; |
| 381 | sme_ac_enum_type acType = pQosContext->acType; |
| 382 | |
| 383 | pAdapter = pQosContext->pAdapter; |
| 384 | pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 385 | |
| 386 | /* Get the Tx stats for this AC. */ |
| 387 | currentTrafficCnt = |
| 388 | pAdapter->hdd_stats.hddTxRxStats.txXmitClassifiedAC[pQosContext-> |
| 389 | acType]; |
| 390 | |
| 391 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_WARN, |
| 392 | FL( |
| 393 | "WMM inactivity Timer for AC=%d, currentCnt=%d, prevCnt=%d" |
| 394 | ), |
| 395 | acType, (int)currentTrafficCnt, (int)pAc->wmmPrevTrafficCnt); |
| 396 | if (pAc->wmmPrevTrafficCnt == currentTrafficCnt) { |
| 397 | /* there is no traffic activity, delete the TSPEC for this AC */ |
| 398 | status = hdd_wmm_delts(pAdapter, pQosContext->handle); |
| 399 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_WARN, |
| 400 | FL( |
| 401 | "Deleted TS on AC %d, due to inactivity with status = %d!!!" |
| 402 | ), |
| 403 | acType, status); |
| 404 | } else { |
| 405 | pAc->wmmPrevTrafficCnt = currentTrafficCnt; |
| 406 | if (pAc->wmmInactivityTimer.state == CDF_TIMER_STATE_STOPPED) { |
| 407 | /* Restart the timer */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 408 | qdf_status = |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 409 | cdf_mc_timer_start(&pAc->wmmInactivityTimer, |
| 410 | pAc->wmmInactivityTime); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 411 | if (!QDF_IS_STATUS_SUCCESS(qdf_status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 412 | CDF_TRACE(CDF_MODULE_ID_HDD, |
| 413 | CDF_TRACE_LEVEL_ERROR, |
| 414 | FL( |
| 415 | "Restarting inactivity timer failed on AC %d" |
| 416 | ), |
| 417 | acType); |
| 418 | } |
| 419 | } else { |
| 420 | CDF_ASSERT(cdf_mc_timer_get_current_state |
| 421 | (&pAc->wmmInactivityTimer) == |
| 422 | CDF_TIMER_STATE_STOPPED); |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | return; |
| 427 | } |
| 428 | |
| 429 | /** |
| 430 | * hdd_wmm_enable_inactivity_timer() - |
| 431 | * function to enable the traffic inactivity timer for the given AC |
| 432 | * |
| 433 | * @pQosContext: [in] pointer to pQosContext |
| 434 | * @inactivityTime: [in] value of the inactivity interval in millisecs |
| 435 | * |
| 436 | * When a QoS-Tspec is successfully setup, if the inactivity interval |
| 437 | * time specified in the AddTS parameters is non-zero, this function |
| 438 | * is invoked to start a traffic inactivity timer for the given AC. |
| 439 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 440 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 441 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 442 | static QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 443 | hdd_wmm_enable_inactivity_timer(hdd_wmm_qos_context_t *pQosContext, |
| 444 | uint32_t inactivityTime) |
| 445 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 446 | QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 447 | hdd_adapter_t *pAdapter = pQosContext->pAdapter; |
| 448 | sme_ac_enum_type acType = pQosContext->acType; |
| 449 | hdd_wmm_ac_status_t *pAc; |
| 450 | |
| 451 | pAdapter = pQosContext->pAdapter; |
| 452 | pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 453 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 454 | qdf_status = cdf_mc_timer_init(&pAc->wmmInactivityTimer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 455 | CDF_TIMER_TYPE_SW, |
| 456 | hdd_wmm_inactivity_timer_cb, |
| 457 | pQosContext); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 458 | if (!QDF_IS_STATUS_SUCCESS(qdf_status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 459 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 460 | FL("Initializing inactivity timer failed on AC %d"), |
| 461 | acType); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 462 | return qdf_status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 463 | } |
| 464 | /* Start the inactivity timer */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 465 | qdf_status = cdf_mc_timer_start(&pAc->wmmInactivityTimer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 466 | inactivityTime); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 467 | if (!QDF_IS_STATUS_SUCCESS(qdf_status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 468 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 469 | FL("Starting inactivity timer failed on AC %d"), |
| 470 | acType); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 471 | qdf_status = cdf_mc_timer_destroy(&pAc->wmmInactivityTimer); |
| 472 | if (!QDF_IS_STATUS_SUCCESS(qdf_status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 473 | hdd_err("Failed to destroy inactivity timer"); |
| 474 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 475 | return qdf_status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 476 | } |
| 477 | pAc->wmmInactivityTime = inactivityTime; |
| 478 | /* Initialize the current tx traffic count on this AC */ |
| 479 | pAc->wmmPrevTrafficCnt = |
| 480 | pAdapter->hdd_stats.hddTxRxStats.txXmitClassifiedAC[pQosContext-> |
| 481 | acType]; |
| 482 | pQosContext->is_inactivity_timer_running = true; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 483 | return qdf_status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 484 | } |
| 485 | |
| 486 | /** |
| 487 | * hdd_wmm_disable_inactivity_timer() - |
| 488 | * function to disable the traffic inactivity timer for the given AC. |
| 489 | * |
| 490 | * @pQosContext: [in] pointer to pQosContext |
| 491 | * |
| 492 | * This function is invoked to disable the traffic inactivity timer |
| 493 | * for the given AC. This is normally done when the TS is deleted. |
| 494 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 495 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 496 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 497 | static QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 498 | hdd_wmm_disable_inactivity_timer(hdd_wmm_qos_context_t *pQosContext) |
| 499 | { |
| 500 | hdd_adapter_t *pAdapter = pQosContext->pAdapter; |
| 501 | sme_ac_enum_type acType = pQosContext->acType; |
| 502 | hdd_wmm_ac_status_t *pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 503 | QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 504 | |
| 505 | /* Clear the timer and the counter */ |
| 506 | pAc->wmmInactivityTime = 0; |
| 507 | pAc->wmmPrevTrafficCnt = 0; |
| 508 | |
| 509 | if (pQosContext->is_inactivity_timer_running == true) { |
| 510 | pQosContext->is_inactivity_timer_running = false; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 511 | qdf_status = cdf_mc_timer_stop(&pAc->wmmInactivityTimer); |
| 512 | if (!QDF_IS_STATUS_SUCCESS(qdf_status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 513 | hdd_err("Failed to stop inactivity timer"); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 514 | return qdf_status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 515 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 516 | qdf_status = cdf_mc_timer_destroy(&pAc->wmmInactivityTimer); |
| 517 | if (!QDF_IS_STATUS_SUCCESS(qdf_status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 518 | hdd_err("Failed to destroy inactivity timer:Timer started"); |
| 519 | } |
| 520 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 521 | return qdf_status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 522 | } |
| 523 | #endif /* FEATURE_WLAN_ESE */ |
| 524 | |
| 525 | /** |
| 526 | * hdd_wmm_sme_callback() - callback for QoS notifications |
| 527 | * |
| 528 | * @hHal: [in] the HAL handle |
| 529 | * @hddCtx : [in] the HDD specified handle |
| 530 | * @pCurrentQosInfo : [in] the TSPEC params |
| 531 | * @smeStatus : [in] the QoS related SME status |
| 532 | * @qosFlowId: [in] the unique identifier of the flow |
| 533 | * |
| 534 | * This callback is registered by HDD with SME for receiving QoS |
| 535 | * notifications. Even though this function has a static scope it |
| 536 | * gets called externally through some function pointer magic (so |
| 537 | * there is a need for rigorous parameter checking). |
| 538 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 539 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 540 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 541 | static QDF_STATUS hdd_wmm_sme_callback(tHalHandle hHal, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 542 | void *hddCtx, |
| 543 | sme_QosWmmTspecInfo *pCurrentQosInfo, |
| 544 | sme_QosStatusType smeStatus, |
| 545 | uint32_t qosFlowId) |
| 546 | { |
| 547 | hdd_wmm_qos_context_t *pQosContext = hddCtx; |
| 548 | hdd_adapter_t *pAdapter; |
| 549 | sme_ac_enum_type acType; |
| 550 | hdd_wmm_ac_status_t *pAc; |
| 551 | |
| 552 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 553 | "%s: Entered, context %p", __func__, pQosContext); |
| 554 | |
| 555 | if (unlikely((NULL == pQosContext) || |
| 556 | (HDD_WMM_CTX_MAGIC != pQosContext->magic))) { |
| 557 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 558 | "%s: Invalid QoS Context", __func__); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 559 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 560 | } |
| 561 | |
| 562 | pAdapter = pQosContext->pAdapter; |
| 563 | acType = pQosContext->acType; |
| 564 | pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 565 | |
| 566 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 567 | "%s: status %d flowid %d info %p", |
| 568 | __func__, smeStatus, qosFlowId, pCurrentQosInfo); |
| 569 | |
| 570 | switch (smeStatus) { |
| 571 | |
| 572 | case SME_QOS_STATUS_SETUP_SUCCESS_IND: |
| 573 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 574 | "%s: Setup is complete", __func__); |
| 575 | |
| 576 | /* there will always be a TSPEC returned with this |
| 577 | * status, even if a TSPEC is not exchanged OTA |
| 578 | */ |
| 579 | if (pCurrentQosInfo) { |
| 580 | pAc->wmmAcTspecValid = true; |
| 581 | memcpy(&pAc->wmmAcTspecInfo, |
| 582 | pCurrentQosInfo, sizeof(pAc->wmmAcTspecInfo)); |
| 583 | } |
| 584 | pAc->wmmAcAccessAllowed = true; |
| 585 | pAc->wmmAcAccessGranted = true; |
| 586 | pAc->wmmAcAccessPending = false; |
| 587 | pAc->wmmAcAccessFailed = false; |
| 588 | |
| 589 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 590 | |
| 591 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 592 | "%s: Explicit Qos, notifying user space", |
| 593 | __func__); |
| 594 | |
| 595 | /* this was triggered by an application */ |
| 596 | pQosContext->lastStatus = |
| 597 | HDD_WLAN_WMM_STATUS_SETUP_SUCCESS; |
| 598 | hdd_wmm_notify_app(pQosContext); |
| 599 | } |
| 600 | |
| 601 | #ifdef FEATURE_WLAN_ESE |
| 602 | /* Check if the inactivity interval is specified */ |
| 603 | if (pCurrentQosInfo && pCurrentQosInfo->inactivity_interval) { |
| 604 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 605 | "%s: Inactivity timer value = %d for AC=%d", |
| 606 | __func__, |
| 607 | pCurrentQosInfo->inactivity_interval, acType); |
| 608 | hdd_wmm_enable_inactivity_timer(pQosContext, |
| 609 | pCurrentQosInfo-> |
| 610 | inactivity_interval); |
| 611 | } |
| 612 | #endif /* FEATURE_WLAN_ESE */ |
| 613 | |
| 614 | /* notify TL to enable trigger frames if necessary */ |
| 615 | hdd_wmm_enable_tl_uapsd(pQosContext); |
| 616 | |
| 617 | break; |
| 618 | |
| 619 | case SME_QOS_STATUS_SETUP_SUCCESS_APSD_SET_ALREADY: |
| 620 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 621 | "%s: Setup is complete (U-APSD set previously)", |
| 622 | __func__); |
| 623 | |
| 624 | pAc->wmmAcAccessAllowed = true; |
| 625 | pAc->wmmAcAccessGranted = true; |
| 626 | pAc->wmmAcAccessPending = false; |
| 627 | |
| 628 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 629 | |
| 630 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 631 | "%s: Explicit Qos, notifying user space", |
| 632 | __func__); |
| 633 | |
| 634 | /* this was triggered by an application */ |
| 635 | pQosContext->lastStatus = |
| 636 | HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| 637 | hdd_wmm_notify_app(pQosContext); |
| 638 | } |
| 639 | |
| 640 | break; |
| 641 | |
| 642 | case SME_QOS_STATUS_SETUP_FAILURE_RSP: |
| 643 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 644 | "%s: Setup failed", __func__); |
| 645 | /* QoS setup failed */ |
| 646 | |
| 647 | pAc->wmmAcAccessPending = false; |
| 648 | pAc->wmmAcAccessFailed = true; |
| 649 | pAc->wmmAcAccessAllowed = false; |
| 650 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 651 | |
| 652 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 653 | "%s: Explicit Qos, notifying user space", |
| 654 | __func__); |
| 655 | |
| 656 | /* this was triggered by an application */ |
| 657 | pQosContext->lastStatus = |
| 658 | HDD_WLAN_WMM_STATUS_SETUP_FAILED; |
| 659 | |
| 660 | hdd_wmm_notify_app(pQosContext); |
| 661 | } |
| 662 | |
| 663 | /* Setting up QoS Failed, QoS context can be released. |
| 664 | * SME is releasing this flow information and if HDD |
| 665 | * doesn't release this context, next time if |
| 666 | * application uses the same handle to set-up QoS, HDD |
| 667 | * (as it has QoS context for this handle) will issue |
| 668 | * Modify QoS request to SME but SME will reject as now |
| 669 | * it has no information for this flow. |
| 670 | */ |
| 671 | hdd_wmm_free_context(pQosContext); |
| 672 | break; |
| 673 | |
| 674 | case SME_QOS_STATUS_SETUP_INVALID_PARAMS_RSP: |
| 675 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 676 | "%s: Setup Invalid Params, notify TL", __func__); |
| 677 | /* QoS setup failed */ |
| 678 | pAc->wmmAcAccessAllowed = false; |
| 679 | |
| 680 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) { |
| 681 | |
| 682 | /* we note the failure, but we also mark |
| 683 | * access as allowed so that the packets will |
| 684 | * flow. Note that the MAC will "do the right |
| 685 | * thing" |
| 686 | */ |
| 687 | pAc->wmmAcAccessPending = false; |
| 688 | pAc->wmmAcAccessFailed = true; |
| 689 | pAc->wmmAcAccessAllowed = true; |
| 690 | |
| 691 | } else { |
| 692 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 693 | "%s: Explicit Qos, notifying user space", |
| 694 | __func__); |
| 695 | |
| 696 | /* this was triggered by an application */ |
| 697 | pQosContext->lastStatus = |
| 698 | HDD_WLAN_WMM_STATUS_SETUP_FAILED_BAD_PARAM; |
| 699 | hdd_wmm_notify_app(pQosContext); |
| 700 | } |
| 701 | break; |
| 702 | |
| 703 | case SME_QOS_STATUS_SETUP_NOT_QOS_AP_RSP: |
| 704 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 705 | "%s: Setup failed, not a QoS AP", __func__); |
| 706 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 707 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 708 | "%s: Explicit Qos, notifying user space", |
| 709 | __func__); |
| 710 | |
| 711 | /* this was triggered by an application */ |
| 712 | pQosContext->lastStatus = |
| 713 | HDD_WLAN_WMM_STATUS_SETUP_FAILED_NO_WMM; |
| 714 | hdd_wmm_notify_app(pQosContext); |
| 715 | } |
| 716 | break; |
| 717 | |
| 718 | case SME_QOS_STATUS_SETUP_REQ_PENDING_RSP: |
| 719 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 720 | "%s: Setup pending", __func__); |
| 721 | /* not a callback status -- ignore if we get it */ |
| 722 | break; |
| 723 | |
| 724 | case SME_QOS_STATUS_SETUP_MODIFIED_IND: |
| 725 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 726 | "%s: Setup modified", __func__); |
| 727 | if (pCurrentQosInfo) { |
| 728 | /* update the TSPEC */ |
| 729 | pAc->wmmAcTspecValid = true; |
| 730 | memcpy(&pAc->wmmAcTspecInfo, |
| 731 | pCurrentQosInfo, sizeof(pAc->wmmAcTspecInfo)); |
| 732 | |
| 733 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 734 | CDF_TRACE(CDF_MODULE_ID_HDD, |
| 735 | WMM_TRACE_LEVEL_INFO, |
| 736 | "%s: Explicit Qos, notifying user space", |
| 737 | __func__); |
| 738 | |
| 739 | /* this was triggered by an application */ |
| 740 | pQosContext->lastStatus = |
| 741 | HDD_WLAN_WMM_STATUS_MODIFIED; |
| 742 | hdd_wmm_notify_app(pQosContext); |
| 743 | } |
| 744 | /* need to tell TL to update its UAPSD handling */ |
| 745 | hdd_wmm_enable_tl_uapsd(pQosContext); |
| 746 | } |
| 747 | break; |
| 748 | |
| 749 | case SME_QOS_STATUS_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| 750 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) { |
| 751 | |
| 752 | /* this was triggered by implicit QoS so we |
| 753 | * know packets are pending |
| 754 | */ |
| 755 | pAc->wmmAcAccessPending = false; |
| 756 | pAc->wmmAcAccessGranted = true; |
| 757 | pAc->wmmAcAccessAllowed = true; |
| 758 | |
| 759 | } else { |
| 760 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 761 | "%s: Explicit Qos, notifying user space", |
| 762 | __func__); |
| 763 | |
| 764 | /* this was triggered by an application */ |
| 765 | pQosContext->lastStatus = |
| 766 | HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_NO_UAPSD; |
| 767 | hdd_wmm_notify_app(pQosContext); |
| 768 | } |
| 769 | break; |
| 770 | |
| 771 | case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_PENDING: |
| 772 | /* nothing to do for now */ |
| 773 | break; |
| 774 | |
| 775 | case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_SET_FAILED: |
| 776 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 777 | "%s: Setup successful but U-APSD failed", __func__); |
| 778 | |
| 779 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) { |
| 780 | |
| 781 | /* QoS setup was successful but setting U=APSD |
| 782 | * failed. Since the OTA part of the request |
| 783 | * was successful, we don't mark this as a |
| 784 | * failure. the packets will flow. Note that |
| 785 | * the MAC will "do the right thing" */ |
| 786 | pAc->wmmAcAccessGranted = true; |
| 787 | pAc->wmmAcAccessAllowed = true; |
| 788 | pAc->wmmAcAccessFailed = false; |
| 789 | pAc->wmmAcAccessPending = false; |
| 790 | |
| 791 | } else { |
| 792 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 793 | "%s: Explicit Qos, notifying user space", |
| 794 | __func__); |
| 795 | |
| 796 | /* this was triggered by an application */ |
| 797 | pQosContext->lastStatus = |
| 798 | HDD_WLAN_WMM_STATUS_SETUP_UAPSD_SET_FAILED; |
| 799 | hdd_wmm_notify_app(pQosContext); |
| 800 | } |
| 801 | |
| 802 | /* Since U-APSD portion failed disabled trigger frame |
| 803 | * generation |
| 804 | */ |
| 805 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 806 | |
| 807 | break; |
| 808 | |
| 809 | case SME_QOS_STATUS_RELEASE_SUCCESS_RSP: |
| 810 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 811 | "%s: Release is complete", __func__); |
| 812 | |
| 813 | if (pCurrentQosInfo) { |
| 814 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 815 | "%s: flows still active", __func__); |
| 816 | |
| 817 | /* there is still at least one flow active for |
| 818 | * this AC so update the AC state |
| 819 | */ |
| 820 | memcpy(&pAc->wmmAcTspecInfo, |
| 821 | pCurrentQosInfo, sizeof(pAc->wmmAcTspecInfo)); |
| 822 | |
| 823 | /* need to tell TL to update its UAPSD handling */ |
| 824 | hdd_wmm_enable_tl_uapsd(pQosContext); |
| 825 | } else { |
| 826 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 827 | "%s: last flow", __func__); |
| 828 | |
| 829 | /* this is the last flow active for this AC so |
| 830 | * update the AC state |
| 831 | */ |
| 832 | pAc->wmmAcTspecValid = false; |
| 833 | |
| 834 | /* DELTS is successful, do not allow */ |
| 835 | pAc->wmmAcAccessAllowed = false; |
| 836 | |
| 837 | /* need to tell TL to update its UAPSD handling */ |
| 838 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 839 | } |
| 840 | |
| 841 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 842 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 843 | "%s: Explicit Qos, notifying user space", |
| 844 | __func__); |
| 845 | |
| 846 | /* this was triggered by an application */ |
| 847 | pQosContext->lastStatus = |
| 848 | HDD_WLAN_WMM_STATUS_RELEASE_SUCCESS; |
| 849 | hdd_wmm_notify_app(pQosContext); |
| 850 | } |
| 851 | /* we are done with this flow */ |
| 852 | hdd_wmm_free_context(pQosContext); |
| 853 | break; |
| 854 | |
| 855 | case SME_QOS_STATUS_RELEASE_FAILURE_RSP: |
| 856 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 857 | "%s: Release failure", __func__); |
| 858 | |
| 859 | /* we don't need to update our state or TL since |
| 860 | * nothing has changed |
| 861 | */ |
| 862 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 863 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 864 | "%s: Explicit Qos, notifying user space", |
| 865 | __func__); |
| 866 | |
| 867 | /* this was triggered by an application */ |
| 868 | pQosContext->lastStatus = |
| 869 | HDD_WLAN_WMM_STATUS_RELEASE_FAILED; |
| 870 | hdd_wmm_notify_app(pQosContext); |
| 871 | } |
| 872 | |
| 873 | break; |
| 874 | |
| 875 | case SME_QOS_STATUS_RELEASE_QOS_LOST_IND: |
| 876 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 877 | "%s: QOS Lost indication received", __func__); |
| 878 | |
| 879 | /* current TSPEC is no longer valid */ |
| 880 | pAc->wmmAcTspecValid = false; |
| 881 | /* AP has sent DELTS, do not allow */ |
| 882 | pAc->wmmAcAccessAllowed = false; |
| 883 | |
| 884 | /* need to tell TL to update its UAPSD handling */ |
| 885 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 886 | |
| 887 | if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) { |
| 888 | /* we no longer have implicit access granted */ |
| 889 | pAc->wmmAcAccessGranted = false; |
| 890 | pAc->wmmAcAccessFailed = false; |
| 891 | } else { |
| 892 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 893 | "%s: Explicit Qos, notifying user space", |
| 894 | __func__); |
| 895 | |
| 896 | /* this was triggered by an application */ |
| 897 | pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_LOST; |
| 898 | hdd_wmm_notify_app(pQosContext); |
| 899 | } |
| 900 | |
| 901 | /* we are done with this flow */ |
| 902 | hdd_wmm_free_context(pQosContext); |
| 903 | break; |
| 904 | |
| 905 | case SME_QOS_STATUS_RELEASE_REQ_PENDING_RSP: |
| 906 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 907 | "%s: Release pending", __func__); |
| 908 | /* not a callback status -- ignore if we get it */ |
| 909 | break; |
| 910 | |
| 911 | case SME_QOS_STATUS_RELEASE_INVALID_PARAMS_RSP: |
| 912 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 913 | "%s: Release Invalid Params", __func__); |
| 914 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 915 | /* this was triggered by an application */ |
| 916 | pQosContext->lastStatus = |
| 917 | HDD_WLAN_WMM_STATUS_RELEASE_FAILED_BAD_PARAM; |
| 918 | hdd_wmm_notify_app(pQosContext); |
| 919 | } |
| 920 | break; |
| 921 | |
| 922 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_IND: |
| 923 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 924 | "%s: Modification is complete, notify TL", __func__); |
| 925 | |
| 926 | /* there will always be a TSPEC returned with this |
| 927 | * status, even if a TSPEC is not exchanged OTA |
| 928 | */ |
| 929 | if (pCurrentQosInfo) { |
| 930 | pAc->wmmAcTspecValid = true; |
| 931 | memcpy(&pAc->wmmAcTspecInfo, |
| 932 | pCurrentQosInfo, sizeof(pAc->wmmAcTspecInfo)); |
| 933 | } |
| 934 | |
| 935 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 936 | /* this was triggered by an application */ |
| 937 | pQosContext->lastStatus = |
| 938 | HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS; |
| 939 | hdd_wmm_notify_app(pQosContext); |
| 940 | } |
| 941 | /* notify TL to enable trigger frames if necessary */ |
| 942 | hdd_wmm_enable_tl_uapsd(pQosContext); |
| 943 | |
| 944 | break; |
| 945 | |
| 946 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_APSD_SET_ALREADY: |
| 947 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 948 | /* this was triggered by an application */ |
| 949 | pQosContext->lastStatus = |
| 950 | HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| 951 | hdd_wmm_notify_app(pQosContext); |
| 952 | } |
| 953 | break; |
| 954 | |
| 955 | case SME_QOS_STATUS_MODIFY_SETUP_FAILURE_RSP: |
| 956 | /* the flow modification failed so we'll leave in |
| 957 | * place whatever existed beforehand |
| 958 | */ |
| 959 | |
| 960 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 961 | /* this was triggered by an application */ |
| 962 | pQosContext->lastStatus = |
| 963 | HDD_WLAN_WMM_STATUS_MODIFY_FAILED; |
| 964 | hdd_wmm_notify_app(pQosContext); |
| 965 | } |
| 966 | break; |
| 967 | |
| 968 | case SME_QOS_STATUS_MODIFY_SETUP_PENDING_RSP: |
| 969 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 970 | "%s: modification pending", __func__); |
| 971 | /* not a callback status -- ignore if we get it */ |
| 972 | break; |
| 973 | |
| 974 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| 975 | /* the flow modification was successful but no QoS |
| 976 | * changes required |
| 977 | */ |
| 978 | |
| 979 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 980 | /* this was triggered by an application */ |
| 981 | pQosContext->lastStatus = |
| 982 | HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_NO_UAPSD; |
| 983 | hdd_wmm_notify_app(pQosContext); |
| 984 | } |
| 985 | break; |
| 986 | |
| 987 | case SME_QOS_STATUS_MODIFY_SETUP_INVALID_PARAMS_RSP: |
| 988 | /* invalid params -- notify the application */ |
| 989 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 990 | /* this was triggered by an application */ |
| 991 | pQosContext->lastStatus = |
| 992 | HDD_WLAN_WMM_STATUS_MODIFY_FAILED_BAD_PARAM; |
| 993 | hdd_wmm_notify_app(pQosContext); |
| 994 | } |
| 995 | break; |
| 996 | |
| 997 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_IND_APSD_PENDING: |
| 998 | /* nothing to do for now. when APSD is established we'll have work to do */ |
| 999 | break; |
| 1000 | |
| 1001 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_IND_APSD_SET_FAILED: |
| 1002 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1003 | "%s: Modify successful but U-APSD failed", __func__); |
| 1004 | |
| 1005 | /* QoS modification was successful but setting U=APSD |
| 1006 | * failed. This will always be an explicit QoS |
| 1007 | * instance, so all we can do is notify the |
| 1008 | * application and let it clean up. |
| 1009 | */ |
| 1010 | if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| 1011 | /* this was triggered by an application */ |
| 1012 | pQosContext->lastStatus = |
| 1013 | HDD_WLAN_WMM_STATUS_MODIFY_UAPSD_SET_FAILED; |
| 1014 | hdd_wmm_notify_app(pQosContext); |
| 1015 | } |
| 1016 | /* Since U-APSD portion failed disabled trigger frame |
| 1017 | * generation |
| 1018 | */ |
| 1019 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 1020 | |
| 1021 | break; |
| 1022 | |
| 1023 | case SME_QOS_STATUS_HANDING_OFF: |
| 1024 | /* no roaming so we won't see this */ |
| 1025 | break; |
| 1026 | |
| 1027 | case SME_QOS_STATUS_OUT_OF_APSD_POWER_MODE_IND: |
| 1028 | /* need to tell TL to stop trigger frame generation */ |
| 1029 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 1030 | break; |
| 1031 | |
| 1032 | case SME_QOS_STATUS_INTO_APSD_POWER_MODE_IND: |
| 1033 | /* need to tell TL to start sending trigger frames again */ |
| 1034 | hdd_wmm_enable_tl_uapsd(pQosContext); |
| 1035 | break; |
| 1036 | |
| 1037 | default: |
| 1038 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1039 | "%s: unexpected SME Status=%d", __func__, smeStatus); |
| 1040 | CDF_ASSERT(0); |
| 1041 | } |
| 1042 | |
| 1043 | /* if Tspec only allows downstream traffic then access is not |
| 1044 | * allowed |
| 1045 | */ |
| 1046 | if (pAc->wmmAcTspecValid && |
| 1047 | (pAc->wmmAcTspecInfo.ts_info.direction == |
| 1048 | SME_QOS_WMM_TS_DIR_DOWNLINK)) { |
| 1049 | pAc->wmmAcAccessAllowed = false; |
| 1050 | } |
| 1051 | /* if we have valid Tpsec or if ACM bit is not set, allow access */ |
| 1052 | if ((pAc->wmmAcTspecValid && |
| 1053 | (pAc->wmmAcTspecInfo.ts_info.direction != |
| 1054 | SME_QOS_WMM_TS_DIR_DOWNLINK)) || !pAc->wmmAcAccessRequired) { |
| 1055 | pAc->wmmAcAccessAllowed = true; |
| 1056 | } |
| 1057 | |
| 1058 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1059 | "%s: complete, access for TL AC %d is%sallowed", |
| 1060 | __func__, acType, pAc->wmmAcAccessAllowed ? " " : " not "); |
| 1061 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1062 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1063 | } |
| 1064 | #endif |
| 1065 | |
| 1066 | /** |
| 1067 | * hdd_wmmps_helper() - Function to set uapsd psb dynamically |
| 1068 | * |
| 1069 | * @pAdapter: [in] pointer to adapter structure |
| 1070 | * @ptr: [in] pointer to command buffer |
| 1071 | * |
| 1072 | * Return: Zero on success, appropriate error on failure. |
| 1073 | */ |
| 1074 | int hdd_wmmps_helper(hdd_adapter_t *pAdapter, uint8_t *ptr) |
| 1075 | { |
| 1076 | if (NULL == pAdapter) { |
| 1077 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1078 | "%s: pAdapter is NULL", __func__); |
| 1079 | return -EINVAL; |
| 1080 | } |
| 1081 | if (NULL == ptr) { |
| 1082 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1083 | "%s: ptr is NULL", __func__); |
| 1084 | return -EINVAL; |
| 1085 | } |
| 1086 | /* convert ASCII to integer */ |
| 1087 | pAdapter->configuredPsb = ptr[9] - '0'; |
| 1088 | pAdapter->psbChanged = HDD_PSB_CHANGED; |
| 1089 | |
| 1090 | return 0; |
| 1091 | } |
| 1092 | |
| 1093 | /** |
| 1094 | * __hdd_wmm_do_implicit_qos() - Function which will attempt to setup |
| 1095 | * QoS for any AC requiring it. |
| 1096 | * @work: [in] pointer to work structure. |
| 1097 | * |
| 1098 | * Return: none |
| 1099 | */ |
| 1100 | static void __hdd_wmm_do_implicit_qos(struct work_struct *work) |
| 1101 | { |
| 1102 | hdd_wmm_qos_context_t *pQosContext = |
| 1103 | container_of(work, hdd_wmm_qos_context_t, wmmAcSetupImplicitQos); |
| 1104 | hdd_adapter_t *pAdapter; |
| 1105 | sme_ac_enum_type acType; |
| 1106 | hdd_wmm_ac_status_t *pAc; |
| 1107 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 1108 | sme_QosStatusType smeStatus; |
| 1109 | #endif |
| 1110 | sme_QosWmmTspecInfo qosInfo; |
| 1111 | hdd_context_t *hdd_ctx; |
| 1112 | |
| 1113 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1114 | "%s: Entered, context %p", __func__, pQosContext); |
| 1115 | |
| 1116 | if (unlikely(HDD_WMM_CTX_MAGIC != pQosContext->magic)) { |
| 1117 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1118 | "%s: Invalid QoS Context", __func__); |
| 1119 | return; |
| 1120 | } |
| 1121 | |
| 1122 | pAdapter = pQosContext->pAdapter; |
| 1123 | |
| 1124 | hdd_ctx = WLAN_HDD_GET_CTX(pAdapter); |
| 1125 | if (0 != wlan_hdd_validate_context(hdd_ctx)) { |
| 1126 | hddLog(LOGE, FL("HDD context is not valid")); |
| 1127 | return; |
| 1128 | } |
| 1129 | |
| 1130 | acType = pQosContext->acType; |
| 1131 | pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 1132 | |
| 1133 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1134 | "%s: pAdapter %p acType %d", __func__, pAdapter, acType); |
| 1135 | |
| 1136 | if (!pAc->wmmAcAccessNeeded) { |
| 1137 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1138 | "%s: AC %d doesn't need service", __func__, acType); |
| 1139 | pQosContext->magic = 0; |
| 1140 | kfree(pQosContext); |
| 1141 | return; |
| 1142 | } |
| 1143 | |
| 1144 | pAc->wmmAcAccessPending = true; |
| 1145 | pAc->wmmAcAccessNeeded = false; |
| 1146 | |
| 1147 | memset(&qosInfo, 0, sizeof(qosInfo)); |
| 1148 | |
| 1149 | qosInfo.ts_info.psb = pAdapter->configuredPsb; |
| 1150 | |
| 1151 | switch (acType) { |
| 1152 | case SME_AC_VO: |
| 1153 | qosInfo.ts_info.up = SME_QOS_WMM_UP_VO; |
| 1154 | /* Check if there is any valid configuration from framework */ |
| 1155 | if (HDD_PSB_CFG_INVALID == pAdapter->configuredPsb) { |
| 1156 | qosInfo.ts_info.psb = |
| 1157 | ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 1158 | UapsdMask & SME_QOS_UAPSD_VO) ? 1 : 0; |
| 1159 | } |
| 1160 | qosInfo.ts_info.direction = |
| 1161 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraDirAcVo; |
| 1162 | qosInfo.ts_info.tid = 255; |
| 1163 | qosInfo.mean_data_rate = |
| 1164 | (WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 1165 | InfraMeanDataRateAcVo; |
| 1166 | qosInfo.min_phy_rate = |
| 1167 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraMinPhyRateAcVo; |
| 1168 | qosInfo.min_service_interval = |
| 1169 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdVoSrvIntv; |
| 1170 | qosInfo.nominal_msdu_size = |
| 1171 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraNomMsduSizeAcVo; |
| 1172 | qosInfo.surplus_bw_allowance = |
| 1173 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraSbaAcVo; |
| 1174 | qosInfo.suspension_interval = |
| 1175 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdVoSuspIntv; |
| 1176 | break; |
| 1177 | case SME_AC_VI: |
| 1178 | qosInfo.ts_info.up = SME_QOS_WMM_UP_VI; |
| 1179 | /* Check if there is any valid configuration from framework */ |
| 1180 | if (HDD_PSB_CFG_INVALID == pAdapter->configuredPsb) { |
| 1181 | qosInfo.ts_info.psb = |
| 1182 | ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 1183 | UapsdMask & SME_QOS_UAPSD_VI) ? 1 : 0; |
| 1184 | } |
| 1185 | qosInfo.ts_info.direction = |
| 1186 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraDirAcVi; |
| 1187 | qosInfo.ts_info.tid = 255; |
| 1188 | qosInfo.mean_data_rate = |
| 1189 | (WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 1190 | InfraMeanDataRateAcVi; |
| 1191 | qosInfo.min_phy_rate = |
| 1192 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraMinPhyRateAcVi; |
| 1193 | qosInfo.min_service_interval = |
| 1194 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdViSrvIntv; |
| 1195 | qosInfo.nominal_msdu_size = |
| 1196 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraNomMsduSizeAcVi; |
| 1197 | qosInfo.surplus_bw_allowance = |
| 1198 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraSbaAcVi; |
| 1199 | qosInfo.suspension_interval = |
| 1200 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdViSuspIntv; |
| 1201 | break; |
| 1202 | default: |
| 1203 | case SME_AC_BE: |
| 1204 | qosInfo.ts_info.up = SME_QOS_WMM_UP_BE; |
| 1205 | /* Check if there is any valid configuration from framework */ |
| 1206 | if (HDD_PSB_CFG_INVALID == pAdapter->configuredPsb) { |
| 1207 | qosInfo.ts_info.psb = |
| 1208 | ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 1209 | UapsdMask & SME_QOS_UAPSD_BE) ? 1 : 0; |
| 1210 | } |
| 1211 | qosInfo.ts_info.direction = |
| 1212 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraDirAcBe; |
| 1213 | qosInfo.ts_info.tid = 255; |
| 1214 | qosInfo.mean_data_rate = |
| 1215 | (WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 1216 | InfraMeanDataRateAcBe; |
| 1217 | qosInfo.min_phy_rate = |
| 1218 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraMinPhyRateAcBe; |
| 1219 | qosInfo.min_service_interval = |
| 1220 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdBeSrvIntv; |
| 1221 | qosInfo.nominal_msdu_size = |
| 1222 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraNomMsduSizeAcBe; |
| 1223 | qosInfo.surplus_bw_allowance = |
| 1224 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraSbaAcBe; |
| 1225 | qosInfo.suspension_interval = |
| 1226 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdBeSuspIntv; |
| 1227 | break; |
| 1228 | case SME_AC_BK: |
| 1229 | qosInfo.ts_info.up = SME_QOS_WMM_UP_BK; |
| 1230 | /* Check if there is any valid configuration from framework */ |
| 1231 | if (HDD_PSB_CFG_INVALID == pAdapter->configuredPsb) { |
| 1232 | qosInfo.ts_info.psb = |
| 1233 | ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 1234 | UapsdMask & SME_QOS_UAPSD_BK) ? 1 : 0; |
| 1235 | } |
| 1236 | qosInfo.ts_info.direction = |
| 1237 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraDirAcBk; |
| 1238 | qosInfo.ts_info.tid = 255; |
| 1239 | qosInfo.mean_data_rate = |
| 1240 | (WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 1241 | InfraMeanDataRateAcBk; |
| 1242 | qosInfo.min_phy_rate = |
| 1243 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraMinPhyRateAcBk; |
| 1244 | qosInfo.min_service_interval = |
| 1245 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdBkSrvIntv; |
| 1246 | qosInfo.nominal_msdu_size = |
| 1247 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraNomMsduSizeAcBk; |
| 1248 | qosInfo.surplus_bw_allowance = |
| 1249 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraSbaAcBk; |
| 1250 | qosInfo.suspension_interval = |
| 1251 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdBkSuspIntv; |
| 1252 | break; |
| 1253 | } |
| 1254 | #ifdef FEATURE_WLAN_ESE |
| 1255 | qosInfo.inactivity_interval = |
| 1256 | (WLAN_HDD_GET_CTX(pAdapter))->config->InfraInactivityInterval; |
| 1257 | #endif |
| 1258 | qosInfo.ts_info.burst_size_defn = |
| 1259 | (WLAN_HDD_GET_CTX(pAdapter))->config->burstSizeDefinition; |
| 1260 | |
| 1261 | switch ((WLAN_HDD_GET_CTX(pAdapter))->config->tsInfoAckPolicy) { |
| 1262 | case HDD_WLAN_WMM_TS_INFO_ACK_POLICY_NORMAL_ACK: |
| 1263 | qosInfo.ts_info.ack_policy = |
| 1264 | SME_QOS_WMM_TS_ACK_POLICY_NORMAL_ACK; |
| 1265 | break; |
| 1266 | |
| 1267 | case HDD_WLAN_WMM_TS_INFO_ACK_POLICY_HT_IMMEDIATE_BLOCK_ACK: |
| 1268 | qosInfo.ts_info.ack_policy = |
| 1269 | SME_QOS_WMM_TS_ACK_POLICY_HT_IMMEDIATE_BLOCK_ACK; |
| 1270 | break; |
| 1271 | |
| 1272 | default: |
| 1273 | /* unknown */ |
| 1274 | qosInfo.ts_info.ack_policy = |
| 1275 | SME_QOS_WMM_TS_ACK_POLICY_NORMAL_ACK; |
| 1276 | } |
| 1277 | |
| 1278 | if (qosInfo.ts_info.ack_policy == |
| 1279 | SME_QOS_WMM_TS_ACK_POLICY_HT_IMMEDIATE_BLOCK_ACK) { |
| 1280 | if (!sme_qos_is_ts_info_ack_policy_valid |
| 1281 | ((tpAniSirGlobal) WLAN_HDD_GET_HAL_CTX(pAdapter), &qosInfo, |
| 1282 | pAdapter->sessionId)) { |
| 1283 | qosInfo.ts_info.ack_policy = |
| 1284 | SME_QOS_WMM_TS_ACK_POLICY_NORMAL_ACK; |
| 1285 | } |
| 1286 | } |
| 1287 | |
| 1288 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 1289 | list_add(&pQosContext->node, &pAdapter->hddWmmStatus.wmmContextList); |
| 1290 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 1291 | |
| 1292 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 1293 | smeStatus = sme_qos_setup_req(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 1294 | pAdapter->sessionId, |
| 1295 | &qosInfo, |
| 1296 | hdd_wmm_sme_callback, |
| 1297 | pQosContext, |
| 1298 | qosInfo.ts_info.up, |
| 1299 | &pQosContext->qosFlowId); |
| 1300 | |
| 1301 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1302 | "%s: sme_qos_setup_req returned %d flowid %d", |
| 1303 | __func__, smeStatus, pQosContext->qosFlowId); |
| 1304 | |
| 1305 | /* need to check the return values and act appropriately */ |
| 1306 | switch (smeStatus) { |
| 1307 | case SME_QOS_STATUS_SETUP_REQ_PENDING_RSP: |
| 1308 | case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_PENDING: |
| 1309 | /* setup is pending, so no more work to do now. all |
| 1310 | * further work will be done in hdd_wmm_sme_callback() |
| 1311 | */ |
| 1312 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1313 | "%s: Setup is pending, no further work", __func__); |
| 1314 | |
| 1315 | break; |
| 1316 | |
| 1317 | case SME_QOS_STATUS_SETUP_FAILURE_RSP: |
| 1318 | /* we can't tell the difference between when a request |
| 1319 | * fails because AP rejected it versus when SME |
| 1320 | * encountered an internal error. in either case SME |
| 1321 | * won't ever reference this context so free the |
| 1322 | * record |
| 1323 | */ |
| 1324 | hdd_wmm_free_context(pQosContext); |
| 1325 | |
| 1326 | /* fall through and start packets flowing */ |
| 1327 | case SME_QOS_STATUS_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| 1328 | /* no ACM in effect, no need to setup U-APSD */ |
| 1329 | case SME_QOS_STATUS_SETUP_SUCCESS_APSD_SET_ALREADY: |
| 1330 | /* no ACM in effect, U-APSD is desired but was already setup */ |
| 1331 | |
| 1332 | /* for these cases everything is already setup so we |
| 1333 | * can signal TL that it has work to do |
| 1334 | */ |
| 1335 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1336 | "%s: Setup is complete, notify TL", __func__); |
| 1337 | |
| 1338 | pAc->wmmAcAccessAllowed = true; |
| 1339 | pAc->wmmAcAccessGranted = true; |
| 1340 | pAc->wmmAcAccessPending = false; |
| 1341 | |
| 1342 | break; |
| 1343 | |
| 1344 | default: |
| 1345 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1346 | "%s: unexpected SME Status=%d", __func__, smeStatus); |
| 1347 | CDF_ASSERT(0); |
| 1348 | } |
| 1349 | #endif |
| 1350 | |
| 1351 | } |
| 1352 | |
| 1353 | /** |
| 1354 | * hdd_wmm_do_implicit_qos() - SSR wraper function for hdd_wmm_do_implicit_qos |
| 1355 | * @work: pointer to work_struct |
| 1356 | * |
| 1357 | * Return: none |
| 1358 | */ |
| 1359 | static void hdd_wmm_do_implicit_qos(struct work_struct *work) |
| 1360 | { |
| 1361 | cds_ssr_protect(__func__); |
| 1362 | __hdd_wmm_do_implicit_qos(work); |
| 1363 | cds_ssr_unprotect(__func__); |
| 1364 | } |
| 1365 | |
| 1366 | /** |
| 1367 | * hdd_wmm_init() - initialize the WMM DSCP configuation |
| 1368 | * @pAdapter : [in] pointer to Adapter context |
| 1369 | * |
| 1370 | * This function will initialize the WMM DSCP configuation of an |
| 1371 | * adapter to an initial state. The configuration can later be |
| 1372 | * overwritten via application APIs or via QoS Map sent OTA. |
| 1373 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1374 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1375 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1376 | QDF_STATUS hdd_wmm_init(hdd_adapter_t *pAdapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1377 | { |
| 1378 | sme_QosWmmUpType *hddWmmDscpToUpMap = pAdapter->hddWmmDscpToUpMap; |
| 1379 | uint8_t dscp; |
| 1380 | |
| 1381 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1382 | "%s: Entered", __func__); |
| 1383 | |
| 1384 | /* DSCP to User Priority Lookup Table |
| 1385 | * By default use the 3 Precedence bits of DSCP as the User Priority |
| 1386 | */ |
| 1387 | for (dscp = 0; dscp <= WLAN_HDD_MAX_DSCP; dscp++) { |
| 1388 | hddWmmDscpToUpMap[dscp] = dscp >> 3; |
| 1389 | } |
| 1390 | |
| 1391 | /* Special case for Expedited Forwarding (DSCP 46) */ |
| 1392 | hddWmmDscpToUpMap[46] = SME_QOS_WMM_UP_VO; |
| 1393 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1394 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1395 | } |
| 1396 | |
| 1397 | /** |
| 1398 | * hdd_wmm_adapter_init() - initialize the WMM configuration of an adapter |
| 1399 | * @pAdapter: [in] pointer to Adapter context |
| 1400 | * |
| 1401 | * This function will initialize the WMM configuation and status of an |
| 1402 | * adapter to an initial state. The configuration can later be |
| 1403 | * overwritten via application APIs |
| 1404 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1405 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1406 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1407 | QDF_STATUS hdd_wmm_adapter_init(hdd_adapter_t *pAdapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1408 | { |
| 1409 | hdd_wmm_ac_status_t *pAcStatus; |
| 1410 | sme_ac_enum_type acType; |
| 1411 | |
| 1412 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1413 | "%s: Entered", __func__); |
| 1414 | |
| 1415 | pAdapter->hddWmmStatus.wmmQap = false; |
| 1416 | INIT_LIST_HEAD(&pAdapter->hddWmmStatus.wmmContextList); |
| 1417 | mutex_init(&pAdapter->hddWmmStatus.wmmLock); |
| 1418 | |
| 1419 | for (acType = 0; acType < WLAN_MAX_AC; acType++) { |
| 1420 | pAcStatus = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 1421 | pAcStatus->wmmAcAccessRequired = false; |
| 1422 | pAcStatus->wmmAcAccessNeeded = false; |
| 1423 | pAcStatus->wmmAcAccessPending = false; |
| 1424 | pAcStatus->wmmAcAccessFailed = false; |
| 1425 | pAcStatus->wmmAcAccessGranted = false; |
| 1426 | pAcStatus->wmmAcAccessAllowed = false; |
| 1427 | pAcStatus->wmmAcTspecValid = false; |
| 1428 | pAcStatus->wmmAcUapsdInfoValid = false; |
| 1429 | } |
| 1430 | /* Invalid value(0xff) to indicate psb not configured through |
| 1431 | * framework initially. |
| 1432 | */ |
| 1433 | pAdapter->configuredPsb = HDD_PSB_CFG_INVALID; |
| 1434 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1435 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1436 | } |
| 1437 | |
| 1438 | /** |
| 1439 | * hdd_wmm_adapter_clear() - Function which will clear the WMM status |
| 1440 | * for all the ACs |
| 1441 | * |
| 1442 | * @pAdapter: [in] pointer to Adapter context |
| 1443 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1444 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1445 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1446 | QDF_STATUS hdd_wmm_adapter_clear(hdd_adapter_t *pAdapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1447 | { |
| 1448 | hdd_wmm_ac_status_t *pAcStatus; |
| 1449 | sme_ac_enum_type acType; |
| 1450 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1451 | "%s: Entered", __func__); |
| 1452 | for (acType = 0; acType < WLAN_MAX_AC; acType++) { |
| 1453 | pAcStatus = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| 1454 | pAcStatus->wmmAcAccessRequired = false; |
| 1455 | pAcStatus->wmmAcAccessNeeded = false; |
| 1456 | pAcStatus->wmmAcAccessPending = false; |
| 1457 | pAcStatus->wmmAcAccessFailed = false; |
| 1458 | pAcStatus->wmmAcAccessGranted = false; |
| 1459 | pAcStatus->wmmAcAccessAllowed = false; |
| 1460 | pAcStatus->wmmAcTspecValid = false; |
| 1461 | pAcStatus->wmmAcUapsdInfoValid = false; |
| 1462 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1463 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1464 | } |
| 1465 | |
| 1466 | /** |
| 1467 | * hdd_wmm_close() - WMM close function |
| 1468 | * @pAdapter: [in] pointer to adapter context |
| 1469 | * |
| 1470 | * Function which will perform any necessary work to to clean up the |
| 1471 | * WMM functionality prior to the kernel module unload. |
| 1472 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1473 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1474 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1475 | QDF_STATUS hdd_wmm_adapter_close(hdd_adapter_t *pAdapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1476 | { |
| 1477 | hdd_wmm_qos_context_t *pQosContext; |
| 1478 | |
| 1479 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1480 | "%s: Entered", __func__); |
| 1481 | |
| 1482 | /* free any context records that we still have linked */ |
| 1483 | while (!list_empty(&pAdapter->hddWmmStatus.wmmContextList)) { |
| 1484 | pQosContext = |
| 1485 | list_first_entry(&pAdapter->hddWmmStatus.wmmContextList, |
| 1486 | hdd_wmm_qos_context_t, node); |
| 1487 | #ifdef FEATURE_WLAN_ESE |
| 1488 | hdd_wmm_disable_inactivity_timer(pQosContext); |
| 1489 | #endif |
| 1490 | if (pQosContext->handle == HDD_WMM_HANDLE_IMPLICIT |
| 1491 | && pQosContext->magic == HDD_WMM_CTX_MAGIC) |
| 1492 | cds_flush_work(&pQosContext->wmmAcSetupImplicitQos); |
| 1493 | |
| 1494 | hdd_wmm_free_context(pQosContext); |
| 1495 | } |
| 1496 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1497 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1498 | } |
| 1499 | |
| 1500 | /** |
| 1501 | * hdd_wmm_classify_pkt() - Function which will classify an OS packet |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1502 | * into a WMM AC based on DSCP |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1503 | * |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1504 | * @adapter: adapter upon which the packet is being transmitted |
| 1505 | * @skb: pointer to network buffer |
| 1506 | * @user_pri: user priority of the OS packet |
| 1507 | * @is_eapol: eapol packet flag |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1508 | * |
| 1509 | * Return: None |
| 1510 | */ |
| 1511 | static |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1512 | void hdd_wmm_classify_pkt(hdd_adapter_t *adapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1513 | struct sk_buff *skb, |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1514 | sme_QosWmmUpType *user_pri, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1515 | bool *is_eapol) |
| 1516 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1517 | unsigned char dscp; |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1518 | unsigned char tos; |
| 1519 | union generic_ethhdr *eth_hdr; |
| 1520 | struct iphdr *ip_hdr; |
| 1521 | struct ipv6hdr *ipv6hdr; |
| 1522 | unsigned char *pkt; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1523 | |
| 1524 | /* this code is executed for every packet therefore |
| 1525 | * all debug code is kept conditional |
| 1526 | */ |
| 1527 | |
| 1528 | #ifdef HDD_WMM_DEBUG |
| 1529 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1530 | "%s: Entered", __func__); |
| 1531 | #endif /* HDD_WMM_DEBUG */ |
| 1532 | |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1533 | pkt = skb->data; |
| 1534 | eth_hdr = (union generic_ethhdr *)pkt; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1535 | |
| 1536 | #ifdef HDD_WMM_DEBUG |
| 1537 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1538 | "%s: proto is 0x%04x", __func__, skb->protocol); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1539 | #endif /* HDD_WMM_DEBUG */ |
| 1540 | |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1541 | if (eth_hdr->eth_II.h_proto == htons(ETH_P_IP)) { |
| 1542 | /* case 1: Ethernet II IP packet */ |
| 1543 | ip_hdr = (struct iphdr *)&pkt[sizeof(eth_hdr->eth_II)]; |
| 1544 | tos = ip_hdr->tos; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1545 | #ifdef HDD_WMM_DEBUG |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1546 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1547 | "%s: Ethernet II IP Packet, tos is %d", |
| 1548 | __func__, tos); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1549 | #endif /* HDD_WMM_DEBUG */ |
| 1550 | |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1551 | } else if (eth_hdr->eth_II.h_proto == htons(ETH_P_IPV6)) { |
| 1552 | ipv6hdr = ipv6_hdr(skb); |
| 1553 | tos = ntohs(*(const __be16 *)ipv6hdr) >> 4; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1554 | #ifdef HDD_WMM_DEBUG |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1555 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1556 | "%s: Ethernet II IPv6 Packet, tos is %d", |
| 1557 | __func__, tos); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1558 | #endif /* HDD_WMM_DEBUG */ |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1559 | } else if ((ntohs(eth_hdr->eth_II.h_proto) < WLAN_MIN_PROTO) && |
| 1560 | (eth_hdr->eth_8023.h_snap.dsap == WLAN_SNAP_DSAP) && |
| 1561 | (eth_hdr->eth_8023.h_snap.ssap == WLAN_SNAP_SSAP) && |
| 1562 | (eth_hdr->eth_8023.h_snap.ctrl == WLAN_SNAP_CTRL) && |
| 1563 | (eth_hdr->eth_8023.h_proto == htons(ETH_P_IP))) { |
| 1564 | /* case 2: 802.3 LLC/SNAP IP packet */ |
| 1565 | ip_hdr = (struct iphdr *)&pkt[sizeof(eth_hdr->eth_8023)]; |
| 1566 | tos = ip_hdr->tos; |
| 1567 | #ifdef HDD_WMM_DEBUG |
| 1568 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1569 | "%s: 802.3 LLC/SNAP IP Packet, tos is %d", |
| 1570 | __func__, tos); |
| 1571 | #endif /* HDD_WMM_DEBUG */ |
| 1572 | } else if (eth_hdr->eth_II.h_proto == htons(ETH_P_8021Q)) { |
| 1573 | /* VLAN tagged */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1574 | |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1575 | if (eth_hdr->eth_IIv.h_vlan_encapsulated_proto == |
| 1576 | htons(ETH_P_IP)) { |
| 1577 | /* case 3: Ethernet II vlan-tagged IP packet */ |
| 1578 | ip_hdr = |
| 1579 | (struct iphdr *) |
| 1580 | &pkt[sizeof(eth_hdr->eth_IIv)]; |
| 1581 | tos = ip_hdr->tos; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1582 | #ifdef HDD_WMM_DEBUG |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1583 | CDF_TRACE(CDF_MODULE_ID_HDD, |
| 1584 | WMM_TRACE_LEVEL_INFO_LOW, |
| 1585 | "%s: Ethernet II VLAN tagged IP Packet, tos is %d", |
| 1586 | __func__, tos); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1587 | #endif /* HDD_WMM_DEBUG */ |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1588 | } else |
| 1589 | if ((ntohs(eth_hdr->eth_IIv.h_vlan_encapsulated_proto) |
| 1590 | < WLAN_MIN_PROTO) |
| 1591 | && (eth_hdr->eth_8023v.h_snap.dsap == |
| 1592 | WLAN_SNAP_DSAP) |
| 1593 | && (eth_hdr->eth_8023v.h_snap.ssap == |
| 1594 | WLAN_SNAP_SSAP) |
| 1595 | && (eth_hdr->eth_8023v.h_snap.ctrl == |
| 1596 | WLAN_SNAP_CTRL) |
| 1597 | && (eth_hdr->eth_8023v.h_proto == |
| 1598 | htons(ETH_P_IP))) { |
| 1599 | /* case 4: 802.3 LLC/SNAP vlan-tagged IP packet */ |
| 1600 | ip_hdr = |
| 1601 | (struct iphdr *) |
| 1602 | &pkt[sizeof(eth_hdr->eth_8023v)]; |
| 1603 | tos = ip_hdr->tos; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1604 | #ifdef HDD_WMM_DEBUG |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1605 | CDF_TRACE(CDF_MODULE_ID_HDD, |
| 1606 | WMM_TRACE_LEVEL_INFO_LOW, |
| 1607 | "%s: 802.3 LLC/SNAP VLAN tagged IP Packet, tos is %d", |
| 1608 | __func__, tos); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1609 | #endif /* HDD_WMM_DEBUG */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1610 | } else { |
| 1611 | /* default */ |
| 1612 | #ifdef HDD_WMM_DEBUG |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1613 | CDF_TRACE(CDF_MODULE_ID_HDD, |
| 1614 | WMM_TRACE_LEVEL_WARN, |
| 1615 | "%s: VLAN tagged Unhandled Protocol, using default tos", |
| 1616 | __func__); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1617 | #endif /* HDD_WMM_DEBUG */ |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1618 | tos = 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1619 | } |
| 1620 | } else { |
| 1621 | /* default */ |
| 1622 | #ifdef HDD_WMM_DEBUG |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1623 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_WARN, |
| 1624 | "%s: Unhandled Protocol, using default tos", |
| 1625 | __func__); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1626 | #endif /* HDD_WMM_DEBUG */ |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1627 | /* Give the highest priority to 802.1x packet */ |
| 1628 | if (eth_hdr->eth_II.h_proto == |
| 1629 | htons(HDD_ETHERTYPE_802_1_X)) { |
| 1630 | tos = 0xC0; |
| 1631 | *is_eapol = true; |
| 1632 | } else |
| 1633 | tos = 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1634 | } |
| 1635 | |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1636 | dscp = (tos >> 2) & 0x3f; |
| 1637 | *user_pri = adapter->hddWmmDscpToUpMap[dscp]; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1638 | |
| 1639 | #ifdef HDD_WMM_DEBUG |
| 1640 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1641 | "%s: tos is %d, dscp is %d, up is %d", |
| 1642 | __func__, tos, dscp, *user_pri); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1643 | #endif /* HDD_WMM_DEBUG */ |
| 1644 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1645 | return; |
| 1646 | } |
| 1647 | |
| 1648 | #ifdef QCA_LL_TX_FLOW_CONTROL_V2 |
| 1649 | /** |
| 1650 | * hdd_get_queue_index() - get queue index |
| 1651 | * @up: user priority |
| 1652 | * @is_eapol: is_eapol flag |
| 1653 | * |
| 1654 | * Return: queue_index |
| 1655 | */ |
| 1656 | static |
| 1657 | uint16_t hdd_get_queue_index(uint16_t up, bool is_eapol) |
| 1658 | { |
| 1659 | if (cdf_unlikely(is_eapol == true)) |
| 1660 | return HDD_LINUX_AC_HI_PRIO; |
| 1661 | else |
| 1662 | return hdd_linux_up_to_ac_map[up]; |
| 1663 | } |
| 1664 | #else |
| 1665 | static |
| 1666 | uint16_t hdd_get_queue_index(uint16_t up, bool is_eapol) |
| 1667 | { |
| 1668 | return hdd_linux_up_to_ac_map[up]; |
| 1669 | } |
| 1670 | #endif |
| 1671 | |
| 1672 | |
| 1673 | /** |
| 1674 | * hdd_hostapd_select_queue() - Function which will classify the packet |
| 1675 | * according to linux qdisc expectation. |
| 1676 | * |
| 1677 | * @dev: [in] pointer to net_device structure |
| 1678 | * @skb: [in] pointer to os packet |
| 1679 | * |
| 1680 | * Return: Qdisc queue index |
| 1681 | */ |
| 1682 | uint16_t hdd_hostapd_select_queue(struct net_device *dev, struct sk_buff *skb |
| 1683 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)) |
| 1684 | , void *accel_priv |
| 1685 | #endif |
| 1686 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) |
| 1687 | , select_queue_fallback_t fallback |
| 1688 | #endif |
| 1689 | |
| 1690 | ) |
| 1691 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1692 | sme_QosWmmUpType up = SME_QOS_WMM_UP_BE; |
| 1693 | uint16_t queueIndex; |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1694 | hdd_adapter_t *adapter = (hdd_adapter_t *) netdev_priv(dev); |
| 1695 | hdd_context_t *hddctx = WLAN_HDD_GET_CTX(adapter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1696 | bool is_eapol = false; |
Mukul Sharma | b315218 | 2015-10-30 20:47:30 +0530 | [diff] [blame] | 1697 | int status = 0; |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1698 | status = wlan_hdd_validate_context(hddctx); |
Mukul Sharma | b315218 | 2015-10-30 20:47:30 +0530 | [diff] [blame] | 1699 | |
| 1700 | if (status != 0) { |
| 1701 | skb->priority = SME_QOS_WMM_UP_BE; |
| 1702 | return HDD_LINUX_AC_BE; |
| 1703 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1704 | |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1705 | /* Get the user priority from IP header */ |
| 1706 | hdd_wmm_classify_pkt(adapter, skb, &up, &is_eapol); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1707 | skb->priority = up; |
| 1708 | queueIndex = hdd_get_queue_index(skb->priority, is_eapol); |
| 1709 | |
| 1710 | return queueIndex; |
| 1711 | } |
| 1712 | |
| 1713 | /** |
| 1714 | * hdd_wmm_select_queue() - Function which will classify the packet |
| 1715 | * according to linux qdisc expectation. |
| 1716 | * |
| 1717 | * @dev: [in] pointer to net_device structure |
| 1718 | * @skb: [in] pointer to os packet |
| 1719 | * |
| 1720 | * Return: Qdisc queue index |
| 1721 | */ |
| 1722 | uint16_t hdd_wmm_select_queue(struct net_device *dev, struct sk_buff *skb) |
| 1723 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1724 | sme_QosWmmUpType up = SME_QOS_WMM_UP_BE; |
| 1725 | uint16_t queueIndex; |
| 1726 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1727 | bool is_eapol = false; |
Mukul Sharma | bfd19ba | 2015-10-30 20:35:35 +0530 | [diff] [blame] | 1728 | hdd_context_t *hdd_ctx = WLAN_HDD_GET_CTX(pAdapter); |
| 1729 | int status; |
| 1730 | |
| 1731 | status = wlan_hdd_validate_context(hdd_ctx); |
| 1732 | if (status != 0) { |
| 1733 | skb->priority = SME_QOS_WMM_UP_BE; |
| 1734 | return HDD_LINUX_AC_BE; |
| 1735 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1736 | |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1737 | /* Get the user priority from IP header */ |
| 1738 | hdd_wmm_classify_pkt(pAdapter, skb, &up, &is_eapol); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1739 | skb->priority = up; |
| 1740 | queueIndex = hdd_get_queue_index(skb->priority, is_eapol); |
Govind Singh | b7ab577 | 2015-10-08 16:38:37 +0530 | [diff] [blame] | 1741 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1742 | return queueIndex; |
| 1743 | } |
| 1744 | |
| 1745 | /** |
| 1746 | * hdd_wmm_acquire_access_required() - Function which will determine |
| 1747 | * acquire admittance for a WMM AC is required or not based on psb configuration |
| 1748 | * done in framework |
| 1749 | * |
| 1750 | * @pAdapter: [in] pointer to adapter structure |
| 1751 | * @acType: [in] WMM AC type of OS packet |
| 1752 | * |
| 1753 | * Return: void |
| 1754 | */ |
| 1755 | void hdd_wmm_acquire_access_required(hdd_adapter_t *pAdapter, |
| 1756 | sme_ac_enum_type acType) |
| 1757 | { |
| 1758 | /* Each bit in the LSB nibble indicates 1 AC. |
| 1759 | * Clearing the particular bit in LSB nibble to indicate |
| 1760 | * access required |
| 1761 | */ |
| 1762 | switch (acType) { |
| 1763 | case SME_AC_BK: |
| 1764 | /* clear first bit */ |
| 1765 | pAdapter->psbChanged &= ~SME_QOS_UAPSD_CFG_BK_CHANGED_MASK; |
| 1766 | break; |
| 1767 | case SME_AC_BE: |
| 1768 | /* clear second bit */ |
| 1769 | pAdapter->psbChanged &= ~SME_QOS_UAPSD_CFG_BE_CHANGED_MASK; |
| 1770 | break; |
| 1771 | case SME_AC_VI: |
| 1772 | /* clear third bit */ |
| 1773 | pAdapter->psbChanged &= ~SME_QOS_UAPSD_CFG_VI_CHANGED_MASK; |
| 1774 | break; |
| 1775 | case SME_AC_VO: |
| 1776 | /* clear fourth bit */ |
| 1777 | pAdapter->psbChanged &= ~SME_QOS_UAPSD_CFG_VO_CHANGED_MASK; |
| 1778 | break; |
| 1779 | default: |
| 1780 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1781 | "%s: Invalid AC Type", __func__); |
| 1782 | break; |
| 1783 | } |
| 1784 | } |
| 1785 | |
| 1786 | /** |
| 1787 | * hdd_wmm_acquire_access() - Function which will attempt to acquire |
| 1788 | * admittance for a WMM AC |
| 1789 | * |
| 1790 | * @pAdapter: [in] pointer to adapter context |
| 1791 | * @acType: [in] WMM AC type of OS packet |
| 1792 | * @pGranted: [out] pointer to bool flag when indicates if access |
| 1793 | * has been granted or not |
| 1794 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1795 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1796 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1797 | QDF_STATUS hdd_wmm_acquire_access(hdd_adapter_t *pAdapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1798 | sme_ac_enum_type acType, bool *pGranted) |
| 1799 | { |
| 1800 | hdd_wmm_qos_context_t *pQosContext; |
| 1801 | |
| 1802 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1803 | "%s: Entered for AC %d", __func__, acType); |
| 1804 | |
| 1805 | if (!hdd_wmm_is_active(pAdapter) || |
| 1806 | !(WLAN_HDD_GET_CTX(pAdapter))->config->bImplicitQosEnabled || |
| 1807 | !pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessRequired) { |
| 1808 | /* either we don't want QoS or the AP doesn't support |
| 1809 | * QoS or we don't want to do implicit QoS |
| 1810 | */ |
| 1811 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1812 | "%s: QoS not configured on both ends ", __func__); |
| 1813 | |
| 1814 | *pGranted = |
| 1815 | pAdapter->hddWmmStatus.wmmAcStatus[acType]. |
| 1816 | wmmAcAccessAllowed; |
| 1817 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1818 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1819 | } |
| 1820 | /* do we already have an implicit QoS request pending for this AC? */ |
| 1821 | if ((pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessNeeded) || |
| 1822 | (pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessPending)) { |
| 1823 | /* request already pending so we need to wait for that |
| 1824 | * response |
| 1825 | */ |
| 1826 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1827 | "%s: Implicit QoS for TL AC %d already scheduled", |
| 1828 | __func__, acType); |
| 1829 | |
| 1830 | *pGranted = false; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1831 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1832 | } |
| 1833 | /* did we already fail to establish implicit QoS for this AC? |
| 1834 | * (if so, access should have been granted when the failure |
| 1835 | * was handled) |
| 1836 | */ |
| 1837 | if (pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessFailed) { |
| 1838 | /* request previously failed |
| 1839 | * allow access, but we'll be downgraded |
| 1840 | */ |
| 1841 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1842 | "%s: Implicit QoS for TL AC %d previously failed", |
| 1843 | __func__, acType); |
| 1844 | |
| 1845 | if (!pAdapter->hddWmmStatus.wmmAcStatus[acType]. |
| 1846 | wmmAcAccessRequired) { |
| 1847 | pAdapter->hddWmmStatus.wmmAcStatus[acType]. |
| 1848 | wmmAcAccessAllowed = true; |
| 1849 | *pGranted = true; |
| 1850 | } else { |
| 1851 | pAdapter->hddWmmStatus.wmmAcStatus[acType]. |
| 1852 | wmmAcAccessAllowed = false; |
| 1853 | *pGranted = false; |
| 1854 | } |
| 1855 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1856 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1857 | } |
| 1858 | /* we need to establish implicit QoS */ |
| 1859 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1860 | "%s: Need to schedule implicit QoS for TL AC %d, pAdapter is %p", |
| 1861 | __func__, acType, pAdapter); |
| 1862 | |
| 1863 | pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessNeeded = true; |
| 1864 | |
| 1865 | pQosContext = kmalloc(sizeof(*pQosContext), GFP_ATOMIC); |
| 1866 | if (NULL == pQosContext) { |
| 1867 | /* no memory for QoS context. Nothing we can do but |
| 1868 | * let data flow |
| 1869 | */ |
| 1870 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 1871 | "%s: Unable to allocate context", __func__); |
| 1872 | pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessAllowed = |
| 1873 | true; |
| 1874 | *pGranted = true; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1875 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1876 | } |
| 1877 | |
| 1878 | pQosContext->acType = acType; |
| 1879 | pQosContext->pAdapter = pAdapter; |
| 1880 | pQosContext->qosFlowId = 0; |
| 1881 | pQosContext->handle = HDD_WMM_HANDLE_IMPLICIT; |
| 1882 | pQosContext->magic = HDD_WMM_CTX_MAGIC; |
| 1883 | pQosContext->is_inactivity_timer_running = false; |
| 1884 | |
| 1885 | #ifdef CONFIG_CNSS |
| 1886 | cnss_init_work(&pQosContext->wmmAcSetupImplicitQos, |
| 1887 | hdd_wmm_do_implicit_qos); |
| 1888 | #else |
| 1889 | INIT_WORK(&pQosContext->wmmAcSetupImplicitQos, hdd_wmm_do_implicit_qos); |
| 1890 | #endif |
| 1891 | |
| 1892 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 1893 | "%s: Scheduling work for AC %d, context %p", |
| 1894 | __func__, acType, pQosContext); |
| 1895 | |
| 1896 | schedule_work(&pQosContext->wmmAcSetupImplicitQos); |
| 1897 | |
| 1898 | /* caller will need to wait until the work takes place and |
| 1899 | * TSPEC negotiation completes |
| 1900 | */ |
| 1901 | *pGranted = false; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1902 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1903 | } |
| 1904 | |
| 1905 | /** |
| 1906 | * hdd_wmm_assoc() - Function which will handle the housekeeping |
| 1907 | * required by WMM when association takes place |
| 1908 | * |
| 1909 | * @pAdapter: [in] pointer to adapter context |
| 1910 | * @pRoamInfo: [in] pointer to roam information |
| 1911 | * @eBssType: [in] type of BSS |
| 1912 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1913 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1914 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1915 | QDF_STATUS hdd_wmm_assoc(hdd_adapter_t *pAdapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1916 | tCsrRoamInfo *pRoamInfo, eCsrRoamBssType eBssType) |
| 1917 | { |
| 1918 | uint8_t uapsdMask; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1919 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1920 | hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 1921 | |
| 1922 | /* when we associate we need to notify TL if it needs to |
| 1923 | * enable UAPSD for any access categories |
| 1924 | */ |
| 1925 | |
| 1926 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1927 | "%s: Entered", __func__); |
| 1928 | |
| 1929 | if (pRoamInfo->fReassocReq) { |
| 1930 | /* when we reassociate we should continue to use |
| 1931 | * whatever parameters were previously established. |
| 1932 | * if we are reassociating due to a U-APSD change for |
| 1933 | * a particular Access Category, then the change will |
| 1934 | * be communicated to HDD via the QoS callback |
| 1935 | * associated with the given flow, and U-APSD |
| 1936 | * parameters will be updated there |
| 1937 | */ |
| 1938 | |
| 1939 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1940 | "%s: Reassoc so no work, Exiting", __func__); |
| 1941 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1942 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1943 | } |
| 1944 | /* get the negotiated UAPSD Mask */ |
| 1945 | uapsdMask = |
| 1946 | pRoamInfo->u.pConnectedProfile->modifyProfileFields.uapsd_mask; |
| 1947 | |
| 1948 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 1949 | "%s: U-APSD mask is 0x%02x", __func__, (int)uapsdMask); |
| 1950 | |
| 1951 | if (uapsdMask & HDD_AC_VO) { |
| 1952 | status = |
| 1953 | sme_enable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))-> |
| 1954 | pcds_context, |
| 1955 | (WLAN_HDD_GET_STATION_CTX_PTR |
| 1956 | (pAdapter))->conn_info.staId[0], |
| 1957 | SME_AC_VO, 7, 7, |
| 1958 | pHddCtx->config->InfraUapsdVoSrvIntv, |
| 1959 | pHddCtx->config->InfraUapsdVoSuspIntv, |
| 1960 | SME_BI_DIR, 1, |
| 1961 | pAdapter->sessionId, |
| 1962 | pHddCtx->config->DelayedTriggerFrmInt); |
| 1963 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1964 | CDF_ASSERT(QDF_IS_STATUS_SUCCESS(status)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1965 | } |
| 1966 | |
| 1967 | if (uapsdMask & HDD_AC_VI) { |
| 1968 | status = |
| 1969 | sme_enable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))-> |
| 1970 | pcds_context, |
| 1971 | (WLAN_HDD_GET_STATION_CTX_PTR |
| 1972 | (pAdapter))->conn_info.staId[0], |
| 1973 | SME_AC_VI, 5, 5, |
| 1974 | pHddCtx->config->InfraUapsdViSrvIntv, |
| 1975 | pHddCtx->config->InfraUapsdViSuspIntv, |
| 1976 | SME_BI_DIR, 1, |
| 1977 | pAdapter->sessionId, |
| 1978 | pHddCtx->config->DelayedTriggerFrmInt); |
| 1979 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1980 | CDF_ASSERT(QDF_IS_STATUS_SUCCESS(status)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1981 | } |
| 1982 | |
| 1983 | if (uapsdMask & HDD_AC_BK) { |
| 1984 | status = |
| 1985 | sme_enable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))-> |
| 1986 | pcds_context, |
| 1987 | (WLAN_HDD_GET_STATION_CTX_PTR |
| 1988 | (pAdapter))->conn_info.staId[0], |
| 1989 | SME_AC_BK, 2, 2, |
| 1990 | pHddCtx->config->InfraUapsdBkSrvIntv, |
| 1991 | pHddCtx->config->InfraUapsdBkSuspIntv, |
| 1992 | SME_BI_DIR, 1, |
| 1993 | pAdapter->sessionId, |
| 1994 | pHddCtx->config->DelayedTriggerFrmInt); |
| 1995 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1996 | CDF_ASSERT(QDF_IS_STATUS_SUCCESS(status)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1997 | } |
| 1998 | |
| 1999 | if (uapsdMask & HDD_AC_BE) { |
| 2000 | status = |
| 2001 | sme_enable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))-> |
| 2002 | pcds_context, |
| 2003 | (WLAN_HDD_GET_STATION_CTX_PTR |
| 2004 | (pAdapter))->conn_info.staId[0], |
| 2005 | SME_AC_BE, 3, 3, |
| 2006 | pHddCtx->config->InfraUapsdBeSrvIntv, |
| 2007 | pHddCtx->config->InfraUapsdBeSuspIntv, |
| 2008 | SME_BI_DIR, 1, |
| 2009 | pAdapter->sessionId, |
| 2010 | pHddCtx->config->DelayedTriggerFrmInt); |
| 2011 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2012 | CDF_ASSERT(QDF_IS_STATUS_SUCCESS(status)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2013 | } |
| 2014 | |
| 2015 | status = sme_update_dsc_pto_up_mapping(pHddCtx->hHal, |
| 2016 | pAdapter->hddWmmDscpToUpMap, |
| 2017 | pAdapter->sessionId); |
| 2018 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2019 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2020 | hdd_wmm_init(pAdapter); |
| 2021 | } |
| 2022 | |
| 2023 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2024 | "%s: Exiting", __func__); |
| 2025 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2026 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2027 | } |
| 2028 | |
| 2029 | static const uint8_t acm_mask_bit[WLAN_MAX_AC] = { |
| 2030 | 0x4, /* SME_AC_BK */ |
| 2031 | 0x8, /* SME_AC_BE */ |
| 2032 | 0x2, /* SME_AC_VI */ |
| 2033 | 0x1 /* SME_AC_VO */ |
| 2034 | }; |
| 2035 | |
| 2036 | /** |
| 2037 | * hdd_wmm_connect() - Function which will handle the housekeeping |
| 2038 | * required by WMM when a connection is established |
| 2039 | * |
| 2040 | * @pAdapter : [in] pointer to adapter context |
| 2041 | * @pRoamInfo: [in] pointer to roam information |
| 2042 | * @eBssType : [in] type of BSS |
| 2043 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2044 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2045 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2046 | QDF_STATUS hdd_wmm_connect(hdd_adapter_t *pAdapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2047 | tCsrRoamInfo *pRoamInfo, eCsrRoamBssType eBssType) |
| 2048 | { |
| 2049 | int ac; |
| 2050 | bool qap; |
| 2051 | bool qosConnection; |
| 2052 | uint8_t acmMask; |
| 2053 | |
| 2054 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2055 | "%s: Entered", __func__); |
| 2056 | |
| 2057 | if ((eCSR_BSS_TYPE_INFRASTRUCTURE == eBssType) && |
| 2058 | pRoamInfo && pRoamInfo->u.pConnectedProfile) { |
| 2059 | qap = pRoamInfo->u.pConnectedProfile->qap; |
| 2060 | qosConnection = pRoamInfo->u.pConnectedProfile->qosConnection; |
| 2061 | acmMask = pRoamInfo->u.pConnectedProfile->acm_mask; |
| 2062 | } else { |
| 2063 | qap = true; |
| 2064 | qosConnection = true; |
| 2065 | acmMask = 0x0; |
| 2066 | } |
| 2067 | |
| 2068 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2069 | "%s: qap is %d, qosConnection is %d, acmMask is 0x%x", |
| 2070 | __func__, qap, qosConnection, acmMask); |
| 2071 | |
| 2072 | pAdapter->hddWmmStatus.wmmQap = qap; |
| 2073 | pAdapter->hddWmmStatus.wmmQosConnection = qosConnection; |
| 2074 | |
| 2075 | for (ac = 0; ac < WLAN_MAX_AC; ac++) { |
| 2076 | if (qap && qosConnection && (acmMask & acm_mask_bit[ac])) { |
| 2077 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2078 | "%s: ac %d on", __func__, ac); |
| 2079 | |
| 2080 | /* admission is required */ |
| 2081 | pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| 2082 | wmmAcAccessRequired = true; |
| 2083 | pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| 2084 | wmmAcAccessAllowed = false; |
| 2085 | pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| 2086 | wmmAcAccessGranted = false; |
| 2087 | /* after reassoc if we have valid tspec, allow access */ |
| 2088 | if (pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| 2089 | wmmAcTspecValid |
| 2090 | && (pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| 2091 | wmmAcTspecInfo.ts_info.direction != |
| 2092 | SME_QOS_WMM_TS_DIR_DOWNLINK)) { |
| 2093 | pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| 2094 | wmmAcAccessAllowed = true; |
| 2095 | } |
| 2096 | } else { |
| 2097 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2098 | "%s: ac %d off", __func__, ac); |
| 2099 | /* admission is not required so access is allowed */ |
| 2100 | pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| 2101 | wmmAcAccessRequired = false; |
| 2102 | pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| 2103 | wmmAcAccessAllowed = true; |
| 2104 | } |
| 2105 | |
| 2106 | } |
| 2107 | |
| 2108 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2109 | "%s: Exiting", __func__); |
| 2110 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2111 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2112 | } |
| 2113 | |
| 2114 | /** |
| 2115 | * hdd_wmm_get_uapsd_mask() - Function which will calculate the |
| 2116 | * initial value of the UAPSD mask based upon the device configuration |
| 2117 | * |
| 2118 | * @pAdapter : [in] pointer to adapter context |
| 2119 | * @pUapsdMask: [out] pointer to where the UAPSD Mask is to be stored |
| 2120 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2121 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2122 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2123 | QDF_STATUS hdd_wmm_get_uapsd_mask(hdd_adapter_t *pAdapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2124 | uint8_t *pUapsdMask) |
| 2125 | { |
| 2126 | uint8_t uapsdMask; |
| 2127 | |
| 2128 | if (HDD_WMM_USER_MODE_NO_QOS == |
| 2129 | (WLAN_HDD_GET_CTX(pAdapter))->config->WmmMode) { |
| 2130 | /* no QOS then no UAPSD */ |
| 2131 | uapsdMask = 0; |
| 2132 | } else { |
| 2133 | /* start with the default mask */ |
| 2134 | uapsdMask = (WLAN_HDD_GET_CTX(pAdapter))->config->UapsdMask; |
| 2135 | |
| 2136 | /* disable UAPSD for any ACs with a 0 Service Interval */ |
| 2137 | if ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 2138 | InfraUapsdVoSrvIntv == 0) { |
| 2139 | uapsdMask &= ~HDD_AC_VO; |
| 2140 | } |
| 2141 | |
| 2142 | if ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 2143 | InfraUapsdViSrvIntv == 0) { |
| 2144 | uapsdMask &= ~HDD_AC_VI; |
| 2145 | } |
| 2146 | |
| 2147 | if ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 2148 | InfraUapsdBkSrvIntv == 0) { |
| 2149 | uapsdMask &= ~HDD_AC_BK; |
| 2150 | } |
| 2151 | |
| 2152 | if ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| 2153 | InfraUapsdBeSrvIntv == 0) { |
| 2154 | uapsdMask &= ~HDD_AC_BE; |
| 2155 | } |
| 2156 | } |
| 2157 | |
| 2158 | /* return calculated mask */ |
| 2159 | *pUapsdMask = uapsdMask; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2160 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2161 | } |
| 2162 | |
| 2163 | /** |
| 2164 | * hdd_wmm_is_active() - Function which will determine if WMM is |
| 2165 | * active on the current connection |
| 2166 | * |
| 2167 | * @pAdapter: [in] pointer to adapter context |
| 2168 | * |
| 2169 | * Return: true if WMM is enabled, false if WMM is not enabled |
| 2170 | */ |
| 2171 | bool hdd_wmm_is_active(hdd_adapter_t *pAdapter) |
| 2172 | { |
| 2173 | if ((!pAdapter->hddWmmStatus.wmmQosConnection) || |
| 2174 | (!pAdapter->hddWmmStatus.wmmQap)) { |
| 2175 | return false; |
| 2176 | } else { |
| 2177 | return true; |
| 2178 | } |
| 2179 | } |
| 2180 | |
| 2181 | /** |
| 2182 | * hdd_wmm_addts() - Function which will add a traffic spec at the |
| 2183 | * request of an application |
| 2184 | * |
| 2185 | * @pAdapter : [in] pointer to adapter context |
| 2186 | * @handle : [in] handle to uniquely identify a TS |
| 2187 | * @pTspec : [in] pointer to the traffic spec |
| 2188 | * |
| 2189 | * Return: HDD_WLAN_WMM_STATUS_* |
| 2190 | */ |
| 2191 | hdd_wlan_wmm_status_e hdd_wmm_addts(hdd_adapter_t *pAdapter, |
| 2192 | uint32_t handle, |
| 2193 | sme_QosWmmTspecInfo *pTspec) |
| 2194 | { |
| 2195 | hdd_wmm_qos_context_t *pQosContext; |
| 2196 | hdd_wlan_wmm_status_e status = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS; |
| 2197 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 2198 | sme_QosStatusType smeStatus; |
| 2199 | #endif |
| 2200 | bool found = false; |
| 2201 | |
| 2202 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2203 | "%s: Entered with handle 0x%x", __func__, handle); |
| 2204 | |
| 2205 | /* see if a context already exists with the given handle */ |
| 2206 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2207 | list_for_each_entry(pQosContext, |
| 2208 | &pAdapter->hddWmmStatus.wmmContextList, node) { |
| 2209 | if (pQosContext->handle == handle) { |
| 2210 | found = true; |
| 2211 | break; |
| 2212 | } |
| 2213 | } |
| 2214 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2215 | if (found) { |
| 2216 | /* record with that handle already exists */ |
| 2217 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 2218 | "%s: Record already exists with handle 0x%x", |
| 2219 | __func__, handle); |
| 2220 | |
| 2221 | /* Application is trying to modify some of the Tspec |
| 2222 | * params. Allow it |
| 2223 | */ |
| 2224 | smeStatus = sme_qos_modify_req(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 2225 | pTspec, pQosContext->qosFlowId); |
| 2226 | |
| 2227 | /* need to check the return value and act appropriately */ |
| 2228 | switch (smeStatus) { |
| 2229 | case SME_QOS_STATUS_MODIFY_SETUP_PENDING_RSP: |
| 2230 | status = HDD_WLAN_WMM_STATUS_MODIFY_PENDING; |
| 2231 | break; |
| 2232 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| 2233 | status = |
| 2234 | HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_NO_UAPSD; |
| 2235 | break; |
| 2236 | case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_APSD_SET_ALREADY: |
| 2237 | status = |
| 2238 | HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| 2239 | break; |
| 2240 | case SME_QOS_STATUS_MODIFY_SETUP_INVALID_PARAMS_RSP: |
| 2241 | status = HDD_WLAN_WMM_STATUS_MODIFY_FAILED_BAD_PARAM; |
| 2242 | break; |
| 2243 | case SME_QOS_STATUS_MODIFY_SETUP_FAILURE_RSP: |
| 2244 | status = HDD_WLAN_WMM_STATUS_MODIFY_FAILED; |
| 2245 | break; |
| 2246 | case SME_QOS_STATUS_SETUP_NOT_QOS_AP_RSP: |
| 2247 | status = HDD_WLAN_WMM_STATUS_SETUP_FAILED_NO_WMM; |
| 2248 | break; |
| 2249 | default: |
| 2250 | /* we didn't get back one of the |
| 2251 | * SME_QOS_STATUS_MODIFY_* status codes |
| 2252 | */ |
| 2253 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 2254 | "%s: unexpected SME Status=%d", __func__, |
| 2255 | smeStatus); |
| 2256 | CDF_ASSERT(0); |
| 2257 | return HDD_WLAN_WMM_STATUS_MODIFY_FAILED; |
| 2258 | } |
| 2259 | |
| 2260 | /* we were successful, save the status */ |
| 2261 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2262 | if (pQosContext->magic == HDD_WMM_CTX_MAGIC) |
| 2263 | pQosContext->lastStatus = status; |
| 2264 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2265 | |
| 2266 | return status; |
| 2267 | } |
| 2268 | |
| 2269 | pQosContext = kmalloc(sizeof(*pQosContext), GFP_KERNEL); |
| 2270 | if (NULL == pQosContext) { |
| 2271 | /* no memory for QoS context. Nothing we can do */ |
| 2272 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 2273 | "%s: Unable to allocate QoS context", __func__); |
| 2274 | return HDD_WLAN_WMM_STATUS_INTERNAL_FAILURE; |
| 2275 | } |
| 2276 | /* we assume the tspec has already been validated by the caller */ |
| 2277 | |
| 2278 | pQosContext->handle = handle; |
| 2279 | if (pTspec->ts_info.up < HDD_WMM_UP_TO_AC_MAP_SIZE) |
| 2280 | pQosContext->acType = hdd_wmm_up_to_ac_map[pTspec->ts_info.up]; |
| 2281 | else { |
| 2282 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 2283 | "%s: ts_info.up (%d) larger than max value (%d), use default acType (%d)", |
| 2284 | __func__, pTspec->ts_info.up, |
| 2285 | HDD_WMM_UP_TO_AC_MAP_SIZE - 1, hdd_wmm_up_to_ac_map[0]); |
| 2286 | pQosContext->acType = hdd_wmm_up_to_ac_map[0]; |
| 2287 | } |
| 2288 | pQosContext->pAdapter = pAdapter; |
| 2289 | pQosContext->qosFlowId = 0; |
| 2290 | pQosContext->magic = HDD_WMM_CTX_MAGIC; |
| 2291 | |
| 2292 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 2293 | "%s: Setting up QoS, context %p", __func__, pQosContext); |
| 2294 | |
| 2295 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2296 | list_add(&pQosContext->node, &pAdapter->hddWmmStatus.wmmContextList); |
| 2297 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2298 | |
| 2299 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 2300 | smeStatus = sme_qos_setup_req(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 2301 | pAdapter->sessionId, |
| 2302 | pTspec, |
| 2303 | hdd_wmm_sme_callback, |
| 2304 | pQosContext, |
| 2305 | pTspec->ts_info.up, |
| 2306 | &pQosContext->qosFlowId); |
| 2307 | |
| 2308 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| 2309 | "%s: sme_qos_setup_req returned %d flowid %d", |
| 2310 | __func__, smeStatus, pQosContext->qosFlowId); |
| 2311 | |
| 2312 | /* need to check the return value and act appropriately */ |
| 2313 | switch (smeStatus) { |
| 2314 | case SME_QOS_STATUS_SETUP_REQ_PENDING_RSP: |
| 2315 | status = HDD_WLAN_WMM_STATUS_SETUP_PENDING; |
| 2316 | break; |
| 2317 | case SME_QOS_STATUS_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| 2318 | status = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_NO_UAPSD; |
| 2319 | break; |
| 2320 | case SME_QOS_STATUS_SETUP_SUCCESS_APSD_SET_ALREADY: |
| 2321 | status = |
| 2322 | HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| 2323 | break; |
| 2324 | case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_PENDING: |
| 2325 | status = HDD_WLAN_WMM_STATUS_SETUP_PENDING; |
| 2326 | break; |
| 2327 | case SME_QOS_STATUS_SETUP_INVALID_PARAMS_RSP: |
| 2328 | hdd_wmm_free_context(pQosContext); |
| 2329 | return HDD_WLAN_WMM_STATUS_SETUP_FAILED_BAD_PARAM; |
| 2330 | case SME_QOS_STATUS_SETUP_FAILURE_RSP: |
| 2331 | /* we can't tell the difference between when a request |
| 2332 | * fails because AP rejected it versus when SME |
| 2333 | * encounterd an internal error |
| 2334 | */ |
| 2335 | hdd_wmm_free_context(pQosContext); |
| 2336 | return HDD_WLAN_WMM_STATUS_SETUP_FAILED; |
| 2337 | case SME_QOS_STATUS_SETUP_NOT_QOS_AP_RSP: |
| 2338 | hdd_wmm_free_context(pQosContext); |
| 2339 | return HDD_WLAN_WMM_STATUS_SETUP_FAILED_NO_WMM; |
| 2340 | default: |
| 2341 | /* we didn't get back one of the |
| 2342 | * SME_QOS_STATUS_SETUP_* status codes |
| 2343 | */ |
| 2344 | hdd_wmm_free_context(pQosContext); |
| 2345 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 2346 | "%s: unexpected SME Status=%d", __func__, smeStatus); |
| 2347 | CDF_ASSERT(0); |
| 2348 | return HDD_WLAN_WMM_STATUS_SETUP_FAILED; |
| 2349 | } |
| 2350 | #endif |
| 2351 | |
| 2352 | /* we were successful, save the status */ |
| 2353 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2354 | if (pQosContext->magic == HDD_WMM_CTX_MAGIC) |
| 2355 | pQosContext->lastStatus = status; |
| 2356 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2357 | |
| 2358 | return status; |
| 2359 | } |
| 2360 | |
| 2361 | /** |
| 2362 | * hdd_wmm_delts() - Function which will delete a traffic spec at the |
| 2363 | * request of an application |
| 2364 | * |
| 2365 | * @pAdapter: [in] pointer to adapter context |
| 2366 | * @handle: [in] handle to uniquely identify a TS |
| 2367 | * |
| 2368 | * Return: HDD_WLAN_WMM_STATUS_* |
| 2369 | */ |
| 2370 | hdd_wlan_wmm_status_e hdd_wmm_delts(hdd_adapter_t *pAdapter, uint32_t handle) |
| 2371 | { |
| 2372 | hdd_wmm_qos_context_t *pQosContext; |
| 2373 | bool found = false; |
| 2374 | sme_ac_enum_type acType = 0; |
| 2375 | uint32_t qosFlowId = 0; |
| 2376 | hdd_wlan_wmm_status_e status = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS; |
| 2377 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 2378 | sme_QosStatusType smeStatus; |
| 2379 | #endif |
| 2380 | |
| 2381 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2382 | "%s: Entered with handle 0x%x", __func__, handle); |
| 2383 | |
| 2384 | /* locate the context with the given handle */ |
| 2385 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2386 | list_for_each_entry(pQosContext, |
| 2387 | &pAdapter->hddWmmStatus.wmmContextList, node) { |
| 2388 | if (pQosContext->handle == handle) { |
| 2389 | found = true; |
| 2390 | acType = pQosContext->acType; |
| 2391 | qosFlowId = pQosContext->qosFlowId; |
| 2392 | break; |
| 2393 | } |
| 2394 | } |
| 2395 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2396 | |
| 2397 | if (false == found) { |
| 2398 | /* we didn't find the handle */ |
| 2399 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2400 | "%s: handle 0x%x not found", __func__, handle); |
| 2401 | return HDD_WLAN_WMM_STATUS_RELEASE_FAILED_BAD_PARAM; |
| 2402 | } |
| 2403 | |
| 2404 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2405 | "%s: found handle 0x%x, flow %d, AC %d, context %p", |
| 2406 | __func__, handle, qosFlowId, acType, pQosContext); |
| 2407 | |
| 2408 | #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| 2409 | smeStatus = |
| 2410 | sme_qos_release_req(WLAN_HDD_GET_HAL_CTX(pAdapter), qosFlowId); |
| 2411 | |
| 2412 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2413 | "%s: SME flow %d released, SME status %d", |
| 2414 | __func__, qosFlowId, smeStatus); |
| 2415 | |
| 2416 | switch (smeStatus) { |
| 2417 | case SME_QOS_STATUS_RELEASE_SUCCESS_RSP: |
| 2418 | /* this flow is the only one on that AC, so go ahead |
| 2419 | * and update our TSPEC state for the AC |
| 2420 | */ |
| 2421 | pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcTspecValid = |
| 2422 | false; |
| 2423 | |
| 2424 | /* need to tell TL to stop trigger timer, etc */ |
| 2425 | hdd_wmm_disable_tl_uapsd(pQosContext); |
| 2426 | |
| 2427 | #ifdef FEATURE_WLAN_ESE |
| 2428 | /* disable the inactivity timer */ |
| 2429 | hdd_wmm_disable_inactivity_timer(pQosContext); |
| 2430 | #endif |
| 2431 | /* we are done with this context */ |
| 2432 | hdd_wmm_free_context(pQosContext); |
| 2433 | |
| 2434 | /* SME must not fire any more callbacks for this flow |
| 2435 | * since the context is no longer valid |
| 2436 | */ |
| 2437 | |
| 2438 | return HDD_WLAN_WMM_STATUS_RELEASE_SUCCESS; |
| 2439 | |
| 2440 | case SME_QOS_STATUS_RELEASE_REQ_PENDING_RSP: |
| 2441 | /* do nothing as we will get a response from SME */ |
| 2442 | status = HDD_WLAN_WMM_STATUS_RELEASE_PENDING; |
| 2443 | break; |
| 2444 | |
| 2445 | case SME_QOS_STATUS_RELEASE_INVALID_PARAMS_RSP: |
| 2446 | /* nothing we can do with the existing flow except leave it */ |
| 2447 | status = HDD_WLAN_WMM_STATUS_RELEASE_FAILED_BAD_PARAM; |
| 2448 | break; |
| 2449 | |
| 2450 | case SME_QOS_STATUS_RELEASE_FAILURE_RSP: |
| 2451 | /* nothing we can do with the existing flow except leave it */ |
| 2452 | status = HDD_WLAN_WMM_STATUS_RELEASE_FAILED; |
| 2453 | |
| 2454 | default: |
| 2455 | /* we didn't get back one of the |
| 2456 | * SME_QOS_STATUS_RELEASE_* status codes |
| 2457 | */ |
| 2458 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| 2459 | "%s: unexpected SME Status=%d", __func__, smeStatus); |
| 2460 | CDF_ASSERT(0); |
| 2461 | status = HDD_WLAN_WMM_STATUS_RELEASE_FAILED; |
| 2462 | } |
| 2463 | |
| 2464 | #endif |
| 2465 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2466 | if (pQosContext->magic == HDD_WMM_CTX_MAGIC) |
| 2467 | pQosContext->lastStatus = status; |
| 2468 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2469 | |
| 2470 | return status; |
| 2471 | } |
| 2472 | |
| 2473 | /** |
| 2474 | * hdd_wmm_checkts() - Function which will return the status of a traffic |
| 2475 | * spec at the request of an application |
| 2476 | * |
| 2477 | * @pAdapter: [in] pointer to adapter context |
| 2478 | * @handle: [in] handle to uniquely identify a TS |
| 2479 | * |
| 2480 | * Return: HDD_WLAN_WMM_STATUS_* |
| 2481 | */ |
| 2482 | hdd_wlan_wmm_status_e hdd_wmm_checkts(hdd_adapter_t *pAdapter, uint32_t handle) |
| 2483 | { |
| 2484 | hdd_wmm_qos_context_t *pQosContext; |
| 2485 | hdd_wlan_wmm_status_e status = HDD_WLAN_WMM_STATUS_LOST; |
| 2486 | |
| 2487 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2488 | "%s: Entered with handle 0x%x", __func__, handle); |
| 2489 | |
| 2490 | /* locate the context with the given handle */ |
| 2491 | mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| 2492 | list_for_each_entry(pQosContext, |
| 2493 | &pAdapter->hddWmmStatus.wmmContextList, node) { |
| 2494 | if (pQosContext->handle == handle) { |
| 2495 | CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| 2496 | "%s: found handle 0x%x, context %p", |
| 2497 | __func__, handle, pQosContext); |
| 2498 | |
| 2499 | status = pQosContext->lastStatus; |
| 2500 | break; |
| 2501 | } |
| 2502 | } |
| 2503 | mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| 2504 | return status; |
| 2505 | } |