| /* |
| * Copyright (c) 2013-2015 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| /** |
| * DOC: HDD WMM |
| * |
| * This module (wlan_hdd_wmm.h interface + wlan_hdd_wmm.c implementation) |
| * houses all the logic for WMM in HDD. |
| * |
| * On the control path, it has the logic to setup QoS, modify QoS and delete |
| * QoS (QoS here refers to a TSPEC). The setup QoS comes in two flavors: an |
| * explicit application invoked and an internal HDD invoked. The implicit QoS |
| * is for applications that do NOT call the custom QCT WLAN OIDs for QoS but |
| * which DO mark their traffic for priortization. It also has logic to start, |
| * update and stop the U-APSD trigger frame generation. It also has logic to |
| * read WMM related config parameters from the registry. |
| * |
| * On the data path, it has the logic to figure out the WMM AC of an egress |
| * packet and when to signal TL to serve a particular AC queue. It also has the |
| * logic to retrieve a packet based on WMM priority in response to a fetch from |
| * TL. |
| * |
| * The remaining functions are utility functions for information hiding. |
| */ |
| |
| /* Include files */ |
| #include <linux/netdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/etherdevice.h> |
| #include <linux/if_vlan.h> |
| #include <linux/ip.h> |
| #include <linux/semaphore.h> |
| #include <linux/ipv6.h> |
| #include <wlan_hdd_tx_rx.h> |
| #include <wlan_hdd_wmm.h> |
| #include <wlan_hdd_ether.h> |
| #include <wlan_hdd_hostapd.h> |
| #include <wlan_hdd_softap_tx_rx.h> |
| #include <cds_sched.h> |
| |
| /* change logging behavior based upon debug flag */ |
| #ifdef HDD_WMM_DEBUG |
| #define WMM_TRACE_LEVEL_FATAL CDF_TRACE_LEVEL_FATAL |
| #define WMM_TRACE_LEVEL_ERROR CDF_TRACE_LEVEL_FATAL |
| #define WMM_TRACE_LEVEL_WARN CDF_TRACE_LEVEL_FATAL |
| #define WMM_TRACE_LEVEL_INFO CDF_TRACE_LEVEL_FATAL |
| #define WMM_TRACE_LEVEL_INFO_HIGH CDF_TRACE_LEVEL_FATAL |
| #define WMM_TRACE_LEVEL_INFO_LOW CDF_TRACE_LEVEL_FATAL |
| #else |
| #define WMM_TRACE_LEVEL_FATAL CDF_TRACE_LEVEL_FATAL |
| #define WMM_TRACE_LEVEL_ERROR CDF_TRACE_LEVEL_ERROR |
| #define WMM_TRACE_LEVEL_WARN CDF_TRACE_LEVEL_WARN |
| #define WMM_TRACE_LEVEL_INFO CDF_TRACE_LEVEL_INFO |
| #define WMM_TRACE_LEVEL_INFO_HIGH CDF_TRACE_LEVEL_INFO_HIGH |
| #define WMM_TRACE_LEVEL_INFO_LOW CDF_TRACE_LEVEL_INFO_LOW |
| #endif |
| |
| #define WLAN_HDD_MAX_DSCP 0x3f |
| |
| /* DHCP Port number */ |
| #define DHCP_SOURCE_PORT 0x4400 |
| #define DHCP_DESTINATION_PORT 0x4300 |
| |
| #define HDD_WMM_UP_TO_AC_MAP_SIZE 8 |
| |
| const uint8_t hdd_wmm_up_to_ac_map[] = { |
| SME_AC_BE, |
| SME_AC_BK, |
| SME_AC_BK, |
| SME_AC_BE, |
| SME_AC_VI, |
| SME_AC_VI, |
| SME_AC_VO, |
| SME_AC_VO |
| }; |
| |
| /** |
| * enum hdd_wmm_linuxac: AC/Queue Index values for Linux Qdisc to |
| * operate on different traffic. |
| */ |
| #ifdef QCA_LL_TX_FLOW_CONTROL_V2 |
| enum hdd_wmm_linuxac { |
| HDD_LINUX_AC_VO = 0, |
| HDD_LINUX_AC_VI = 1, |
| HDD_LINUX_AC_BE = 2, |
| HDD_LINUX_AC_BK = 3, |
| HDD_LINUX_AC_HI_PRIO = 4, |
| }; |
| |
| void wlan_hdd_process_peer_unauthorised_pause(hdd_adapter_t *adapter) |
| { |
| /* Enable HI_PRIO queue */ |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VO); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VI); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BE); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BK); |
| netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_HI_PRIO); |
| |
| } |
| #else |
| enum hdd_wmm_linuxac { |
| HDD_LINUX_AC_VO = 0, |
| HDD_LINUX_AC_VI = 1, |
| HDD_LINUX_AC_BE = 2, |
| HDD_LINUX_AC_BK = 3 |
| }; |
| |
| void wlan_hdd_process_peer_unauthorised_pause(hdd_adapter_t *adapter) |
| { |
| return; |
| } |
| #endif |
| |
| /* Linux based UP -> AC Mapping */ |
| const uint8_t hdd_linux_up_to_ac_map[HDD_WMM_UP_TO_AC_MAP_SIZE] = { |
| HDD_LINUX_AC_BE, |
| HDD_LINUX_AC_BK, |
| HDD_LINUX_AC_BK, |
| HDD_LINUX_AC_BE, |
| HDD_LINUX_AC_VI, |
| HDD_LINUX_AC_VI, |
| HDD_LINUX_AC_VO, |
| HDD_LINUX_AC_VO |
| }; |
| |
| #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| /** |
| * hdd_wmm_enable_tl_uapsd() - function which decides whether and |
| * how to update UAPSD parameters in TL |
| * |
| * @pQosContext: [in] the pointer the QoS instance control block |
| * |
| * Return: None |
| */ |
| static void hdd_wmm_enable_tl_uapsd(hdd_wmm_qos_context_t *pQosContext) |
| { |
| hdd_adapter_t *pAdapter = pQosContext->pAdapter; |
| sme_ac_enum_type acType = pQosContext->acType; |
| hdd_wmm_ac_status_t *pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| CDF_STATUS status; |
| uint32_t service_interval; |
| uint32_t suspension_interval; |
| sme_QosWmmDirType direction; |
| bool psb; |
| |
| /* The TSPEC must be valid */ |
| if (pAc->wmmAcTspecValid == false) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Invoked with invalid TSPEC", __func__); |
| return; |
| } |
| /* determine the service interval */ |
| if (pAc->wmmAcTspecInfo.min_service_interval) { |
| service_interval = pAc->wmmAcTspecInfo.min_service_interval; |
| } else if (pAc->wmmAcTspecInfo.max_service_interval) { |
| service_interval = pAc->wmmAcTspecInfo.max_service_interval; |
| } else { |
| /* no service interval is present in the TSPEC */ |
| /* this is OK, there just won't be U-APSD */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: No service interval supplied", __func__); |
| service_interval = 0; |
| } |
| |
| /* determine the suspension interval & direction */ |
| suspension_interval = pAc->wmmAcTspecInfo.suspension_interval; |
| direction = pAc->wmmAcTspecInfo.ts_info.direction; |
| psb = pAc->wmmAcTspecInfo.ts_info.psb; |
| |
| /* if we have previously enabled U-APSD, have any params changed? */ |
| if ((pAc->wmmAcUapsdInfoValid) && |
| (pAc->wmmAcUapsdServiceInterval == service_interval) && |
| (pAc->wmmAcUapsdSuspensionInterval == suspension_interval) && |
| (pAc->wmmAcUapsdDirection == direction) && |
| (pAc->wmmAcIsUapsdEnabled == psb)) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: No change in U-APSD parameters", __func__); |
| return; |
| } |
| /* everything is in place to notify TL */ |
| status = |
| sme_enable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))->pcds_context, |
| (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))-> |
| conn_info.staId[0], acType, |
| pAc->wmmAcTspecInfo.ts_info.tid, |
| pAc->wmmAcTspecInfo.ts_info.up, |
| service_interval, suspension_interval, |
| direction, psb, pAdapter->sessionId, |
| pHddCtx->config->DelayedTriggerFrmInt); |
| |
| if (!CDF_IS_STATUS_SUCCESS(status)) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Failed to enable U-APSD for AC=%d", |
| __func__, acType); |
| return; |
| } |
| /* stash away the parameters that were used */ |
| pAc->wmmAcUapsdInfoValid = true; |
| pAc->wmmAcUapsdServiceInterval = service_interval; |
| pAc->wmmAcUapsdSuspensionInterval = suspension_interval; |
| pAc->wmmAcUapsdDirection = direction; |
| pAc->wmmAcIsUapsdEnabled = psb; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Enabled UAPSD in TL srv_int=%d " |
| "susp_int=%d dir=%d AC=%d", |
| __func__, |
| service_interval, suspension_interval, direction, acType); |
| |
| } |
| |
| /** |
| * hdd_wmm_disable_tl_uapsd() - function which decides whether |
| * to disable UAPSD parameters in TL |
| * |
| * @pQosContext: [in] the pointer the QoS instance control block |
| * |
| * Return: None |
| */ |
| static void hdd_wmm_disable_tl_uapsd(hdd_wmm_qos_context_t *pQosContext) |
| { |
| hdd_adapter_t *pAdapter = pQosContext->pAdapter; |
| sme_ac_enum_type acType = pQosContext->acType; |
| hdd_wmm_ac_status_t *pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| CDF_STATUS status; |
| |
| /* have we previously enabled UAPSD? */ |
| if (pAc->wmmAcUapsdInfoValid == true) { |
| status = |
| sme_disable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))-> |
| pcds_context, |
| (WLAN_HDD_GET_STATION_CTX_PTR |
| (pAdapter))->conn_info.staId[0], |
| acType, pAdapter->sessionId); |
| |
| if (!CDF_IS_STATUS_SUCCESS(status)) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Failed to disable U-APSD for AC=%d", |
| __func__, acType); |
| } else { |
| /* TL no longer has valid UAPSD info */ |
| pAc->wmmAcUapsdInfoValid = false; |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Disabled UAPSD in TL for AC=%d", |
| __func__, acType); |
| } |
| } |
| } |
| |
| #endif |
| |
| /** |
| * hdd_wmm_free_context() - function which frees a QoS context |
| * |
| * @pQosContext: [in] the pointer the QoS instance control block |
| * |
| * Return: None |
| */ |
| static void hdd_wmm_free_context(hdd_wmm_qos_context_t *pQosContext) |
| { |
| hdd_adapter_t *pAdapter; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered, context %p", __func__, pQosContext); |
| |
| if (unlikely((NULL == pQosContext) || |
| (HDD_WMM_CTX_MAGIC != pQosContext->magic))) { |
| /* must have been freed in another thread */ |
| return; |
| } |
| /* get pointer to the adapter context */ |
| pAdapter = pQosContext->pAdapter; |
| |
| /* take the wmmLock since we're manipulating the context list */ |
| mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| |
| /* make sure nobody thinks this is a valid context */ |
| pQosContext->magic = 0; |
| |
| /* unlink the context */ |
| list_del(&pQosContext->node); |
| |
| /* done manipulating the list */ |
| mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| |
| /* reclaim memory */ |
| kfree(pQosContext); |
| |
| } |
| |
| #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| /** |
| * hdd_wmm_notify_app() - function which notifies an application |
| * of changes in state of it flow |
| * |
| * @pQosContext: [in] the pointer the QoS instance control block |
| * |
| * Return: None |
| */ |
| #define MAX_NOTIFY_LEN 50 |
| static void hdd_wmm_notify_app(hdd_wmm_qos_context_t *pQosContext) |
| { |
| hdd_adapter_t *pAdapter; |
| union iwreq_data wrqu; |
| char buf[MAX_NOTIFY_LEN + 1]; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered, context %p", __func__, pQosContext); |
| |
| if (unlikely((NULL == pQosContext) || |
| (HDD_WMM_CTX_MAGIC != pQosContext->magic))) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Invalid QoS Context", __func__); |
| return; |
| } |
| |
| /* create the event */ |
| memset(&wrqu, 0, sizeof(wrqu)); |
| memset(buf, 0, sizeof(buf)); |
| |
| snprintf(buf, MAX_NOTIFY_LEN, "QCOM: TS change[%u: %u]", |
| (unsigned int)pQosContext->handle, |
| (unsigned int)pQosContext->lastStatus); |
| |
| wrqu.data.pointer = buf; |
| wrqu.data.length = strlen(buf); |
| |
| /* get pointer to the adapter */ |
| pAdapter = pQosContext->pAdapter; |
| |
| /* send the event */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Sending [%s]", __func__, buf); |
| wireless_send_event(pAdapter->dev, IWEVCUSTOM, &wrqu, buf); |
| } |
| |
| #ifdef FEATURE_WLAN_ESE |
| /** |
| * hdd_wmm_inactivity_timer_cb() - inactivity timer callback function |
| * |
| * @user_data: opaque user data registered with the timer. In the |
| * case of this timer, the associated wmm QoS context is registered. |
| * |
| * This timer handler function is called for every inactivity interval |
| * per AC. This function gets the current transmitted packets on the |
| * given AC, and checks if there was any TX activity from the previous |
| * interval. If there was no traffic then it would delete the TS that |
| * was negotiated on that AC. |
| * |
| * Return: None |
| */ |
| static void hdd_wmm_inactivity_timer_cb(void *user_data) |
| { |
| hdd_wmm_qos_context_t *pQosContext = user_data; |
| hdd_adapter_t *pAdapter; |
| hdd_wmm_ac_status_t *pAc; |
| hdd_wlan_wmm_status_e status; |
| CDF_STATUS cdf_status; |
| uint32_t currentTrafficCnt = 0; |
| sme_ac_enum_type acType = pQosContext->acType; |
| |
| pAdapter = pQosContext->pAdapter; |
| pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| |
| /* Get the Tx stats for this AC. */ |
| currentTrafficCnt = |
| pAdapter->hdd_stats.hddTxRxStats.txXmitClassifiedAC[pQosContext-> |
| acType]; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_WARN, |
| FL( |
| "WMM inactivity Timer for AC=%d, currentCnt=%d, prevCnt=%d" |
| ), |
| acType, (int)currentTrafficCnt, (int)pAc->wmmPrevTrafficCnt); |
| if (pAc->wmmPrevTrafficCnt == currentTrafficCnt) { |
| /* there is no traffic activity, delete the TSPEC for this AC */ |
| status = hdd_wmm_delts(pAdapter, pQosContext->handle); |
| CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_WARN, |
| FL( |
| "Deleted TS on AC %d, due to inactivity with status = %d!!!" |
| ), |
| acType, status); |
| } else { |
| pAc->wmmPrevTrafficCnt = currentTrafficCnt; |
| if (pAc->wmmInactivityTimer.state == CDF_TIMER_STATE_STOPPED) { |
| /* Restart the timer */ |
| cdf_status = |
| cdf_mc_timer_start(&pAc->wmmInactivityTimer, |
| pAc->wmmInactivityTime); |
| if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, |
| CDF_TRACE_LEVEL_ERROR, |
| FL( |
| "Restarting inactivity timer failed on AC %d" |
| ), |
| acType); |
| } |
| } else { |
| CDF_ASSERT(cdf_mc_timer_get_current_state |
| (&pAc->wmmInactivityTimer) == |
| CDF_TIMER_STATE_STOPPED); |
| } |
| } |
| |
| return; |
| } |
| |
| /** |
| * hdd_wmm_enable_inactivity_timer() - |
| * function to enable the traffic inactivity timer for the given AC |
| * |
| * @pQosContext: [in] pointer to pQosContext |
| * @inactivityTime: [in] value of the inactivity interval in millisecs |
| * |
| * When a QoS-Tspec is successfully setup, if the inactivity interval |
| * time specified in the AddTS parameters is non-zero, this function |
| * is invoked to start a traffic inactivity timer for the given AC. |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| static CDF_STATUS |
| hdd_wmm_enable_inactivity_timer(hdd_wmm_qos_context_t *pQosContext, |
| uint32_t inactivityTime) |
| { |
| CDF_STATUS cdf_status = CDF_STATUS_E_FAILURE; |
| hdd_adapter_t *pAdapter = pQosContext->pAdapter; |
| sme_ac_enum_type acType = pQosContext->acType; |
| hdd_wmm_ac_status_t *pAc; |
| |
| pAdapter = pQosContext->pAdapter; |
| pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| |
| cdf_status = cdf_mc_timer_init(&pAc->wmmInactivityTimer, |
| CDF_TIMER_TYPE_SW, |
| hdd_wmm_inactivity_timer_cb, |
| pQosContext); |
| if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| FL("Initializing inactivity timer failed on AC %d"), |
| acType); |
| return cdf_status; |
| } |
| /* Start the inactivity timer */ |
| cdf_status = cdf_mc_timer_start(&pAc->wmmInactivityTimer, |
| inactivityTime); |
| if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| FL("Starting inactivity timer failed on AC %d"), |
| acType); |
| cdf_status = cdf_mc_timer_destroy(&pAc->wmmInactivityTimer); |
| if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| hdd_err("Failed to destroy inactivity timer"); |
| } |
| return cdf_status; |
| } |
| pAc->wmmInactivityTime = inactivityTime; |
| /* Initialize the current tx traffic count on this AC */ |
| pAc->wmmPrevTrafficCnt = |
| pAdapter->hdd_stats.hddTxRxStats.txXmitClassifiedAC[pQosContext-> |
| acType]; |
| pQosContext->is_inactivity_timer_running = true; |
| return cdf_status; |
| } |
| |
| /** |
| * hdd_wmm_disable_inactivity_timer() - |
| * function to disable the traffic inactivity timer for the given AC. |
| * |
| * @pQosContext: [in] pointer to pQosContext |
| * |
| * This function is invoked to disable the traffic inactivity timer |
| * for the given AC. This is normally done when the TS is deleted. |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| static CDF_STATUS |
| hdd_wmm_disable_inactivity_timer(hdd_wmm_qos_context_t *pQosContext) |
| { |
| hdd_adapter_t *pAdapter = pQosContext->pAdapter; |
| sme_ac_enum_type acType = pQosContext->acType; |
| hdd_wmm_ac_status_t *pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| CDF_STATUS cdf_status = CDF_STATUS_E_FAILURE; |
| |
| /* Clear the timer and the counter */ |
| pAc->wmmInactivityTime = 0; |
| pAc->wmmPrevTrafficCnt = 0; |
| |
| if (pQosContext->is_inactivity_timer_running == true) { |
| pQosContext->is_inactivity_timer_running = false; |
| cdf_status = cdf_mc_timer_stop(&pAc->wmmInactivityTimer); |
| if (!CDF_IS_STATUS_SUCCESS(cdf_status)) { |
| hdd_err("Failed to stop inactivity timer"); |
| return cdf_status; |
| } |
| cdf_status = cdf_mc_timer_destroy(&pAc->wmmInactivityTimer); |
| if (!CDF_IS_STATUS_SUCCESS(cdf_status)) |
| hdd_err("Failed to destroy inactivity timer:Timer started"); |
| } |
| |
| return cdf_status; |
| } |
| #endif /* FEATURE_WLAN_ESE */ |
| |
| /** |
| * hdd_wmm_sme_callback() - callback for QoS notifications |
| * |
| * @hHal: [in] the HAL handle |
| * @hddCtx : [in] the HDD specified handle |
| * @pCurrentQosInfo : [in] the TSPEC params |
| * @smeStatus : [in] the QoS related SME status |
| * @qosFlowId: [in] the unique identifier of the flow |
| * |
| * This callback is registered by HDD with SME for receiving QoS |
| * notifications. Even though this function has a static scope it |
| * gets called externally through some function pointer magic (so |
| * there is a need for rigorous parameter checking). |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| static CDF_STATUS hdd_wmm_sme_callback(tHalHandle hHal, |
| void *hddCtx, |
| sme_QosWmmTspecInfo *pCurrentQosInfo, |
| sme_QosStatusType smeStatus, |
| uint32_t qosFlowId) |
| { |
| hdd_wmm_qos_context_t *pQosContext = hddCtx; |
| hdd_adapter_t *pAdapter; |
| sme_ac_enum_type acType; |
| hdd_wmm_ac_status_t *pAc; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered, context %p", __func__, pQosContext); |
| |
| if (unlikely((NULL == pQosContext) || |
| (HDD_WMM_CTX_MAGIC != pQosContext->magic))) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Invalid QoS Context", __func__); |
| return CDF_STATUS_E_FAILURE; |
| } |
| |
| pAdapter = pQosContext->pAdapter; |
| acType = pQosContext->acType; |
| pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: status %d flowid %d info %p", |
| __func__, smeStatus, qosFlowId, pCurrentQosInfo); |
| |
| switch (smeStatus) { |
| |
| case SME_QOS_STATUS_SETUP_SUCCESS_IND: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Setup is complete", __func__); |
| |
| /* there will always be a TSPEC returned with this |
| * status, even if a TSPEC is not exchanged OTA |
| */ |
| if (pCurrentQosInfo) { |
| pAc->wmmAcTspecValid = true; |
| memcpy(&pAc->wmmAcTspecInfo, |
| pCurrentQosInfo, sizeof(pAc->wmmAcTspecInfo)); |
| } |
| pAc->wmmAcAccessAllowed = true; |
| pAc->wmmAcAccessGranted = true; |
| pAc->wmmAcAccessPending = false; |
| pAc->wmmAcAccessFailed = false; |
| |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_SETUP_SUCCESS; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| |
| #ifdef FEATURE_WLAN_ESE |
| /* Check if the inactivity interval is specified */ |
| if (pCurrentQosInfo && pCurrentQosInfo->inactivity_interval) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Inactivity timer value = %d for AC=%d", |
| __func__, |
| pCurrentQosInfo->inactivity_interval, acType); |
| hdd_wmm_enable_inactivity_timer(pQosContext, |
| pCurrentQosInfo-> |
| inactivity_interval); |
| } |
| #endif /* FEATURE_WLAN_ESE */ |
| |
| /* notify TL to enable trigger frames if necessary */ |
| hdd_wmm_enable_tl_uapsd(pQosContext); |
| |
| break; |
| |
| case SME_QOS_STATUS_SETUP_SUCCESS_APSD_SET_ALREADY: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Setup is complete (U-APSD set previously)", |
| __func__); |
| |
| pAc->wmmAcAccessAllowed = true; |
| pAc->wmmAcAccessGranted = true; |
| pAc->wmmAcAccessPending = false; |
| |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| |
| break; |
| |
| case SME_QOS_STATUS_SETUP_FAILURE_RSP: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Setup failed", __func__); |
| /* QoS setup failed */ |
| |
| pAc->wmmAcAccessPending = false; |
| pAc->wmmAcAccessFailed = true; |
| pAc->wmmAcAccessAllowed = false; |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_SETUP_FAILED; |
| |
| hdd_wmm_notify_app(pQosContext); |
| } |
| |
| /* Setting up QoS Failed, QoS context can be released. |
| * SME is releasing this flow information and if HDD |
| * doesn't release this context, next time if |
| * application uses the same handle to set-up QoS, HDD |
| * (as it has QoS context for this handle) will issue |
| * Modify QoS request to SME but SME will reject as now |
| * it has no information for this flow. |
| */ |
| hdd_wmm_free_context(pQosContext); |
| break; |
| |
| case SME_QOS_STATUS_SETUP_INVALID_PARAMS_RSP: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Setup Invalid Params, notify TL", __func__); |
| /* QoS setup failed */ |
| pAc->wmmAcAccessAllowed = false; |
| |
| if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) { |
| |
| /* we note the failure, but we also mark |
| * access as allowed so that the packets will |
| * flow. Note that the MAC will "do the right |
| * thing" |
| */ |
| pAc->wmmAcAccessPending = false; |
| pAc->wmmAcAccessFailed = true; |
| pAc->wmmAcAccessAllowed = true; |
| |
| } else { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_SETUP_FAILED_BAD_PARAM; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| break; |
| |
| case SME_QOS_STATUS_SETUP_NOT_QOS_AP_RSP: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Setup failed, not a QoS AP", __func__); |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_SETUP_FAILED_NO_WMM; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| break; |
| |
| case SME_QOS_STATUS_SETUP_REQ_PENDING_RSP: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Setup pending", __func__); |
| /* not a callback status -- ignore if we get it */ |
| break; |
| |
| case SME_QOS_STATUS_SETUP_MODIFIED_IND: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Setup modified", __func__); |
| if (pCurrentQosInfo) { |
| /* update the TSPEC */ |
| pAc->wmmAcTspecValid = true; |
| memcpy(&pAc->wmmAcTspecInfo, |
| pCurrentQosInfo, sizeof(pAc->wmmAcTspecInfo)); |
| |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, |
| WMM_TRACE_LEVEL_INFO, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_MODIFIED; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| /* need to tell TL to update its UAPSD handling */ |
| hdd_wmm_enable_tl_uapsd(pQosContext); |
| } |
| break; |
| |
| case SME_QOS_STATUS_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) { |
| |
| /* this was triggered by implicit QoS so we |
| * know packets are pending |
| */ |
| pAc->wmmAcAccessPending = false; |
| pAc->wmmAcAccessGranted = true; |
| pAc->wmmAcAccessAllowed = true; |
| |
| } else { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_NO_UAPSD; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| break; |
| |
| case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_PENDING: |
| /* nothing to do for now */ |
| break; |
| |
| case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_SET_FAILED: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Setup successful but U-APSD failed", __func__); |
| |
| if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) { |
| |
| /* QoS setup was successful but setting U=APSD |
| * failed. Since the OTA part of the request |
| * was successful, we don't mark this as a |
| * failure. the packets will flow. Note that |
| * the MAC will "do the right thing" */ |
| pAc->wmmAcAccessGranted = true; |
| pAc->wmmAcAccessAllowed = true; |
| pAc->wmmAcAccessFailed = false; |
| pAc->wmmAcAccessPending = false; |
| |
| } else { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_SETUP_UAPSD_SET_FAILED; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| |
| /* Since U-APSD portion failed disabled trigger frame |
| * generation |
| */ |
| hdd_wmm_disable_tl_uapsd(pQosContext); |
| |
| break; |
| |
| case SME_QOS_STATUS_RELEASE_SUCCESS_RSP: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Release is complete", __func__); |
| |
| if (pCurrentQosInfo) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: flows still active", __func__); |
| |
| /* there is still at least one flow active for |
| * this AC so update the AC state |
| */ |
| memcpy(&pAc->wmmAcTspecInfo, |
| pCurrentQosInfo, sizeof(pAc->wmmAcTspecInfo)); |
| |
| /* need to tell TL to update its UAPSD handling */ |
| hdd_wmm_enable_tl_uapsd(pQosContext); |
| } else { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: last flow", __func__); |
| |
| /* this is the last flow active for this AC so |
| * update the AC state |
| */ |
| pAc->wmmAcTspecValid = false; |
| |
| /* DELTS is successful, do not allow */ |
| pAc->wmmAcAccessAllowed = false; |
| |
| /* need to tell TL to update its UAPSD handling */ |
| hdd_wmm_disable_tl_uapsd(pQosContext); |
| } |
| |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_RELEASE_SUCCESS; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| /* we are done with this flow */ |
| hdd_wmm_free_context(pQosContext); |
| break; |
| |
| case SME_QOS_STATUS_RELEASE_FAILURE_RSP: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Release failure", __func__); |
| |
| /* we don't need to update our state or TL since |
| * nothing has changed |
| */ |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_RELEASE_FAILED; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| |
| break; |
| |
| case SME_QOS_STATUS_RELEASE_QOS_LOST_IND: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: QOS Lost indication received", __func__); |
| |
| /* current TSPEC is no longer valid */ |
| pAc->wmmAcTspecValid = false; |
| /* AP has sent DELTS, do not allow */ |
| pAc->wmmAcAccessAllowed = false; |
| |
| /* need to tell TL to update its UAPSD handling */ |
| hdd_wmm_disable_tl_uapsd(pQosContext); |
| |
| if (HDD_WMM_HANDLE_IMPLICIT == pQosContext->handle) { |
| /* we no longer have implicit access granted */ |
| pAc->wmmAcAccessGranted = false; |
| pAc->wmmAcAccessFailed = false; |
| } else { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Explicit Qos, notifying user space", |
| __func__); |
| |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = HDD_WLAN_WMM_STATUS_LOST; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| |
| /* we are done with this flow */ |
| hdd_wmm_free_context(pQosContext); |
| break; |
| |
| case SME_QOS_STATUS_RELEASE_REQ_PENDING_RSP: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Release pending", __func__); |
| /* not a callback status -- ignore if we get it */ |
| break; |
| |
| case SME_QOS_STATUS_RELEASE_INVALID_PARAMS_RSP: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Release Invalid Params", __func__); |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_RELEASE_FAILED_BAD_PARAM; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| break; |
| |
| case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_IND: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Modification is complete, notify TL", __func__); |
| |
| /* there will always be a TSPEC returned with this |
| * status, even if a TSPEC is not exchanged OTA |
| */ |
| if (pCurrentQosInfo) { |
| pAc->wmmAcTspecValid = true; |
| memcpy(&pAc->wmmAcTspecInfo, |
| pCurrentQosInfo, sizeof(pAc->wmmAcTspecInfo)); |
| } |
| |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| /* notify TL to enable trigger frames if necessary */ |
| hdd_wmm_enable_tl_uapsd(pQosContext); |
| |
| break; |
| |
| case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_APSD_SET_ALREADY: |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| break; |
| |
| case SME_QOS_STATUS_MODIFY_SETUP_FAILURE_RSP: |
| /* the flow modification failed so we'll leave in |
| * place whatever existed beforehand |
| */ |
| |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_MODIFY_FAILED; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| break; |
| |
| case SME_QOS_STATUS_MODIFY_SETUP_PENDING_RSP: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: modification pending", __func__); |
| /* not a callback status -- ignore if we get it */ |
| break; |
| |
| case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| /* the flow modification was successful but no QoS |
| * changes required |
| */ |
| |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_NO_UAPSD; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| break; |
| |
| case SME_QOS_STATUS_MODIFY_SETUP_INVALID_PARAMS_RSP: |
| /* invalid params -- notify the application */ |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_MODIFY_FAILED_BAD_PARAM; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| break; |
| |
| case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_IND_APSD_PENDING: |
| /* nothing to do for now. when APSD is established we'll have work to do */ |
| break; |
| |
| case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_IND_APSD_SET_FAILED: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Modify successful but U-APSD failed", __func__); |
| |
| /* QoS modification was successful but setting U=APSD |
| * failed. This will always be an explicit QoS |
| * instance, so all we can do is notify the |
| * application and let it clean up. |
| */ |
| if (HDD_WMM_HANDLE_IMPLICIT != pQosContext->handle) { |
| /* this was triggered by an application */ |
| pQosContext->lastStatus = |
| HDD_WLAN_WMM_STATUS_MODIFY_UAPSD_SET_FAILED; |
| hdd_wmm_notify_app(pQosContext); |
| } |
| /* Since U-APSD portion failed disabled trigger frame |
| * generation |
| */ |
| hdd_wmm_disable_tl_uapsd(pQosContext); |
| |
| break; |
| |
| case SME_QOS_STATUS_HANDING_OFF: |
| /* no roaming so we won't see this */ |
| break; |
| |
| case SME_QOS_STATUS_OUT_OF_APSD_POWER_MODE_IND: |
| /* need to tell TL to stop trigger frame generation */ |
| hdd_wmm_disable_tl_uapsd(pQosContext); |
| break; |
| |
| case SME_QOS_STATUS_INTO_APSD_POWER_MODE_IND: |
| /* need to tell TL to start sending trigger frames again */ |
| hdd_wmm_enable_tl_uapsd(pQosContext); |
| break; |
| |
| default: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: unexpected SME Status=%d", __func__, smeStatus); |
| CDF_ASSERT(0); |
| } |
| |
| /* if Tspec only allows downstream traffic then access is not |
| * allowed |
| */ |
| if (pAc->wmmAcTspecValid && |
| (pAc->wmmAcTspecInfo.ts_info.direction == |
| SME_QOS_WMM_TS_DIR_DOWNLINK)) { |
| pAc->wmmAcAccessAllowed = false; |
| } |
| /* if we have valid Tpsec or if ACM bit is not set, allow access */ |
| if ((pAc->wmmAcTspecValid && |
| (pAc->wmmAcTspecInfo.ts_info.direction != |
| SME_QOS_WMM_TS_DIR_DOWNLINK)) || !pAc->wmmAcAccessRequired) { |
| pAc->wmmAcAccessAllowed = true; |
| } |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: complete, access for TL AC %d is%sallowed", |
| __func__, acType, pAc->wmmAcAccessAllowed ? " " : " not "); |
| |
| return CDF_STATUS_SUCCESS; |
| } |
| #endif |
| |
| /** |
| * hdd_wmmps_helper() - Function to set uapsd psb dynamically |
| * |
| * @pAdapter: [in] pointer to adapter structure |
| * @ptr: [in] pointer to command buffer |
| * |
| * Return: Zero on success, appropriate error on failure. |
| */ |
| int hdd_wmmps_helper(hdd_adapter_t *pAdapter, uint8_t *ptr) |
| { |
| if (NULL == pAdapter) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: pAdapter is NULL", __func__); |
| return -EINVAL; |
| } |
| if (NULL == ptr) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: ptr is NULL", __func__); |
| return -EINVAL; |
| } |
| /* convert ASCII to integer */ |
| pAdapter->configuredPsb = ptr[9] - '0'; |
| pAdapter->psbChanged = HDD_PSB_CHANGED; |
| |
| return 0; |
| } |
| |
| /** |
| * __hdd_wmm_do_implicit_qos() - Function which will attempt to setup |
| * QoS for any AC requiring it. |
| * @work: [in] pointer to work structure. |
| * |
| * Return: none |
| */ |
| static void __hdd_wmm_do_implicit_qos(struct work_struct *work) |
| { |
| hdd_wmm_qos_context_t *pQosContext = |
| container_of(work, hdd_wmm_qos_context_t, wmmAcSetupImplicitQos); |
| hdd_adapter_t *pAdapter; |
| sme_ac_enum_type acType; |
| hdd_wmm_ac_status_t *pAc; |
| #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| sme_QosStatusType smeStatus; |
| #endif |
| sme_QosWmmTspecInfo qosInfo; |
| hdd_context_t *hdd_ctx; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered, context %p", __func__, pQosContext); |
| |
| if (unlikely(HDD_WMM_CTX_MAGIC != pQosContext->magic)) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Invalid QoS Context", __func__); |
| return; |
| } |
| |
| pAdapter = pQosContext->pAdapter; |
| |
| hdd_ctx = WLAN_HDD_GET_CTX(pAdapter); |
| if (0 != wlan_hdd_validate_context(hdd_ctx)) { |
| hddLog(LOGE, FL("HDD context is not valid")); |
| return; |
| } |
| |
| acType = pQosContext->acType; |
| pAc = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: pAdapter %p acType %d", __func__, pAdapter, acType); |
| |
| if (!pAc->wmmAcAccessNeeded) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: AC %d doesn't need service", __func__, acType); |
| pQosContext->magic = 0; |
| kfree(pQosContext); |
| return; |
| } |
| |
| pAc->wmmAcAccessPending = true; |
| pAc->wmmAcAccessNeeded = false; |
| |
| memset(&qosInfo, 0, sizeof(qosInfo)); |
| |
| qosInfo.ts_info.psb = pAdapter->configuredPsb; |
| |
| switch (acType) { |
| case SME_AC_VO: |
| qosInfo.ts_info.up = SME_QOS_WMM_UP_VO; |
| /* Check if there is any valid configuration from framework */ |
| if (HDD_PSB_CFG_INVALID == pAdapter->configuredPsb) { |
| qosInfo.ts_info.psb = |
| ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| UapsdMask & SME_QOS_UAPSD_VO) ? 1 : 0; |
| } |
| qosInfo.ts_info.direction = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraDirAcVo; |
| qosInfo.ts_info.tid = 255; |
| qosInfo.mean_data_rate = |
| (WLAN_HDD_GET_CTX(pAdapter))->config-> |
| InfraMeanDataRateAcVo; |
| qosInfo.min_phy_rate = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraMinPhyRateAcVo; |
| qosInfo.min_service_interval = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdVoSrvIntv; |
| qosInfo.nominal_msdu_size = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraNomMsduSizeAcVo; |
| qosInfo.surplus_bw_allowance = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraSbaAcVo; |
| qosInfo.suspension_interval = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdVoSuspIntv; |
| break; |
| case SME_AC_VI: |
| qosInfo.ts_info.up = SME_QOS_WMM_UP_VI; |
| /* Check if there is any valid configuration from framework */ |
| if (HDD_PSB_CFG_INVALID == pAdapter->configuredPsb) { |
| qosInfo.ts_info.psb = |
| ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| UapsdMask & SME_QOS_UAPSD_VI) ? 1 : 0; |
| } |
| qosInfo.ts_info.direction = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraDirAcVi; |
| qosInfo.ts_info.tid = 255; |
| qosInfo.mean_data_rate = |
| (WLAN_HDD_GET_CTX(pAdapter))->config-> |
| InfraMeanDataRateAcVi; |
| qosInfo.min_phy_rate = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraMinPhyRateAcVi; |
| qosInfo.min_service_interval = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdViSrvIntv; |
| qosInfo.nominal_msdu_size = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraNomMsduSizeAcVi; |
| qosInfo.surplus_bw_allowance = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraSbaAcVi; |
| qosInfo.suspension_interval = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdViSuspIntv; |
| break; |
| default: |
| case SME_AC_BE: |
| qosInfo.ts_info.up = SME_QOS_WMM_UP_BE; |
| /* Check if there is any valid configuration from framework */ |
| if (HDD_PSB_CFG_INVALID == pAdapter->configuredPsb) { |
| qosInfo.ts_info.psb = |
| ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| UapsdMask & SME_QOS_UAPSD_BE) ? 1 : 0; |
| } |
| qosInfo.ts_info.direction = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraDirAcBe; |
| qosInfo.ts_info.tid = 255; |
| qosInfo.mean_data_rate = |
| (WLAN_HDD_GET_CTX(pAdapter))->config-> |
| InfraMeanDataRateAcBe; |
| qosInfo.min_phy_rate = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraMinPhyRateAcBe; |
| qosInfo.min_service_interval = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdBeSrvIntv; |
| qosInfo.nominal_msdu_size = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraNomMsduSizeAcBe; |
| qosInfo.surplus_bw_allowance = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraSbaAcBe; |
| qosInfo.suspension_interval = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdBeSuspIntv; |
| break; |
| case SME_AC_BK: |
| qosInfo.ts_info.up = SME_QOS_WMM_UP_BK; |
| /* Check if there is any valid configuration from framework */ |
| if (HDD_PSB_CFG_INVALID == pAdapter->configuredPsb) { |
| qosInfo.ts_info.psb = |
| ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| UapsdMask & SME_QOS_UAPSD_BK) ? 1 : 0; |
| } |
| qosInfo.ts_info.direction = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraDirAcBk; |
| qosInfo.ts_info.tid = 255; |
| qosInfo.mean_data_rate = |
| (WLAN_HDD_GET_CTX(pAdapter))->config-> |
| InfraMeanDataRateAcBk; |
| qosInfo.min_phy_rate = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraMinPhyRateAcBk; |
| qosInfo.min_service_interval = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdBkSrvIntv; |
| qosInfo.nominal_msdu_size = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraNomMsduSizeAcBk; |
| qosInfo.surplus_bw_allowance = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraSbaAcBk; |
| qosInfo.suspension_interval = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraUapsdBkSuspIntv; |
| break; |
| } |
| #ifdef FEATURE_WLAN_ESE |
| qosInfo.inactivity_interval = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->InfraInactivityInterval; |
| #endif |
| qosInfo.ts_info.burst_size_defn = |
| (WLAN_HDD_GET_CTX(pAdapter))->config->burstSizeDefinition; |
| |
| switch ((WLAN_HDD_GET_CTX(pAdapter))->config->tsInfoAckPolicy) { |
| case HDD_WLAN_WMM_TS_INFO_ACK_POLICY_NORMAL_ACK: |
| qosInfo.ts_info.ack_policy = |
| SME_QOS_WMM_TS_ACK_POLICY_NORMAL_ACK; |
| break; |
| |
| case HDD_WLAN_WMM_TS_INFO_ACK_POLICY_HT_IMMEDIATE_BLOCK_ACK: |
| qosInfo.ts_info.ack_policy = |
| SME_QOS_WMM_TS_ACK_POLICY_HT_IMMEDIATE_BLOCK_ACK; |
| break; |
| |
| default: |
| /* unknown */ |
| qosInfo.ts_info.ack_policy = |
| SME_QOS_WMM_TS_ACK_POLICY_NORMAL_ACK; |
| } |
| |
| if (qosInfo.ts_info.ack_policy == |
| SME_QOS_WMM_TS_ACK_POLICY_HT_IMMEDIATE_BLOCK_ACK) { |
| if (!sme_qos_is_ts_info_ack_policy_valid |
| ((tpAniSirGlobal) WLAN_HDD_GET_HAL_CTX(pAdapter), &qosInfo, |
| pAdapter->sessionId)) { |
| qosInfo.ts_info.ack_policy = |
| SME_QOS_WMM_TS_ACK_POLICY_NORMAL_ACK; |
| } |
| } |
| |
| mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| list_add(&pQosContext->node, &pAdapter->hddWmmStatus.wmmContextList); |
| mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| |
| #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| smeStatus = sme_qos_setup_req(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| pAdapter->sessionId, |
| &qosInfo, |
| hdd_wmm_sme_callback, |
| pQosContext, |
| qosInfo.ts_info.up, |
| &pQosContext->qosFlowId); |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: sme_qos_setup_req returned %d flowid %d", |
| __func__, smeStatus, pQosContext->qosFlowId); |
| |
| /* need to check the return values and act appropriately */ |
| switch (smeStatus) { |
| case SME_QOS_STATUS_SETUP_REQ_PENDING_RSP: |
| case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_PENDING: |
| /* setup is pending, so no more work to do now. all |
| * further work will be done in hdd_wmm_sme_callback() |
| */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Setup is pending, no further work", __func__); |
| |
| break; |
| |
| case SME_QOS_STATUS_SETUP_FAILURE_RSP: |
| /* we can't tell the difference between when a request |
| * fails because AP rejected it versus when SME |
| * encountered an internal error. in either case SME |
| * won't ever reference this context so free the |
| * record |
| */ |
| hdd_wmm_free_context(pQosContext); |
| |
| /* fall through and start packets flowing */ |
| case SME_QOS_STATUS_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| /* no ACM in effect, no need to setup U-APSD */ |
| case SME_QOS_STATUS_SETUP_SUCCESS_APSD_SET_ALREADY: |
| /* no ACM in effect, U-APSD is desired but was already setup */ |
| |
| /* for these cases everything is already setup so we |
| * can signal TL that it has work to do |
| */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Setup is complete, notify TL", __func__); |
| |
| pAc->wmmAcAccessAllowed = true; |
| pAc->wmmAcAccessGranted = true; |
| pAc->wmmAcAccessPending = false; |
| |
| break; |
| |
| default: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: unexpected SME Status=%d", __func__, smeStatus); |
| CDF_ASSERT(0); |
| } |
| #endif |
| |
| } |
| |
| /** |
| * hdd_wmm_do_implicit_qos() - SSR wraper function for hdd_wmm_do_implicit_qos |
| * @work: pointer to work_struct |
| * |
| * Return: none |
| */ |
| static void hdd_wmm_do_implicit_qos(struct work_struct *work) |
| { |
| cds_ssr_protect(__func__); |
| __hdd_wmm_do_implicit_qos(work); |
| cds_ssr_unprotect(__func__); |
| } |
| |
| /** |
| * hdd_wmm_init() - initialize the WMM DSCP configuation |
| * @pAdapter : [in] pointer to Adapter context |
| * |
| * This function will initialize the WMM DSCP configuation of an |
| * adapter to an initial state. The configuration can later be |
| * overwritten via application APIs or via QoS Map sent OTA. |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| CDF_STATUS hdd_wmm_init(hdd_adapter_t *pAdapter) |
| { |
| sme_QosWmmUpType *hddWmmDscpToUpMap = pAdapter->hddWmmDscpToUpMap; |
| uint8_t dscp; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered", __func__); |
| |
| /* DSCP to User Priority Lookup Table |
| * By default use the 3 Precedence bits of DSCP as the User Priority |
| */ |
| for (dscp = 0; dscp <= WLAN_HDD_MAX_DSCP; dscp++) { |
| hddWmmDscpToUpMap[dscp] = dscp >> 3; |
| } |
| |
| /* Special case for Expedited Forwarding (DSCP 46) */ |
| hddWmmDscpToUpMap[46] = SME_QOS_WMM_UP_VO; |
| |
| return CDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * hdd_wmm_adapter_init() - initialize the WMM configuration of an adapter |
| * @pAdapter: [in] pointer to Adapter context |
| * |
| * This function will initialize the WMM configuation and status of an |
| * adapter to an initial state. The configuration can later be |
| * overwritten via application APIs |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| CDF_STATUS hdd_wmm_adapter_init(hdd_adapter_t *pAdapter) |
| { |
| hdd_wmm_ac_status_t *pAcStatus; |
| sme_ac_enum_type acType; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered", __func__); |
| |
| pAdapter->hddWmmStatus.wmmQap = false; |
| INIT_LIST_HEAD(&pAdapter->hddWmmStatus.wmmContextList); |
| mutex_init(&pAdapter->hddWmmStatus.wmmLock); |
| |
| for (acType = 0; acType < WLAN_MAX_AC; acType++) { |
| pAcStatus = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| pAcStatus->wmmAcAccessRequired = false; |
| pAcStatus->wmmAcAccessNeeded = false; |
| pAcStatus->wmmAcAccessPending = false; |
| pAcStatus->wmmAcAccessFailed = false; |
| pAcStatus->wmmAcAccessGranted = false; |
| pAcStatus->wmmAcAccessAllowed = false; |
| pAcStatus->wmmAcTspecValid = false; |
| pAcStatus->wmmAcUapsdInfoValid = false; |
| } |
| /* Invalid value(0xff) to indicate psb not configured through |
| * framework initially. |
| */ |
| pAdapter->configuredPsb = HDD_PSB_CFG_INVALID; |
| |
| return CDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * hdd_wmm_adapter_clear() - Function which will clear the WMM status |
| * for all the ACs |
| * |
| * @pAdapter: [in] pointer to Adapter context |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| CDF_STATUS hdd_wmm_adapter_clear(hdd_adapter_t *pAdapter) |
| { |
| hdd_wmm_ac_status_t *pAcStatus; |
| sme_ac_enum_type acType; |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered", __func__); |
| for (acType = 0; acType < WLAN_MAX_AC; acType++) { |
| pAcStatus = &pAdapter->hddWmmStatus.wmmAcStatus[acType]; |
| pAcStatus->wmmAcAccessRequired = false; |
| pAcStatus->wmmAcAccessNeeded = false; |
| pAcStatus->wmmAcAccessPending = false; |
| pAcStatus->wmmAcAccessFailed = false; |
| pAcStatus->wmmAcAccessGranted = false; |
| pAcStatus->wmmAcAccessAllowed = false; |
| pAcStatus->wmmAcTspecValid = false; |
| pAcStatus->wmmAcUapsdInfoValid = false; |
| } |
| return CDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * hdd_wmm_close() - WMM close function |
| * @pAdapter: [in] pointer to adapter context |
| * |
| * Function which will perform any necessary work to to clean up the |
| * WMM functionality prior to the kernel module unload. |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| CDF_STATUS hdd_wmm_adapter_close(hdd_adapter_t *pAdapter) |
| { |
| hdd_wmm_qos_context_t *pQosContext; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered", __func__); |
| |
| /* free any context records that we still have linked */ |
| while (!list_empty(&pAdapter->hddWmmStatus.wmmContextList)) { |
| pQosContext = |
| list_first_entry(&pAdapter->hddWmmStatus.wmmContextList, |
| hdd_wmm_qos_context_t, node); |
| #ifdef FEATURE_WLAN_ESE |
| hdd_wmm_disable_inactivity_timer(pQosContext); |
| #endif |
| if (pQosContext->handle == HDD_WMM_HANDLE_IMPLICIT |
| && pQosContext->magic == HDD_WMM_CTX_MAGIC) |
| cds_flush_work(&pQosContext->wmmAcSetupImplicitQos); |
| |
| hdd_wmm_free_context(pQosContext); |
| } |
| |
| return CDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * hdd_wmm_classify_pkt() - Function which will classify an OS packet |
| * into a WMM AC based on DSCP |
| * |
| * @adapter: adapter upon which the packet is being transmitted |
| * @skb: pointer to network buffer |
| * @user_pri: user priority of the OS packet |
| * @is_eapol: eapol packet flag |
| * |
| * Return: None |
| */ |
| static |
| void hdd_wmm_classify_pkt(hdd_adapter_t *adapter, |
| struct sk_buff *skb, |
| sme_QosWmmUpType *user_pri, |
| bool *is_eapol) |
| { |
| unsigned char dscp; |
| unsigned char tos; |
| union generic_ethhdr *eth_hdr; |
| struct iphdr *ip_hdr; |
| struct ipv6hdr *ipv6hdr; |
| unsigned char *pkt; |
| |
| /* this code is executed for every packet therefore |
| * all debug code is kept conditional |
| */ |
| |
| #ifdef HDD_WMM_DEBUG |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered", __func__); |
| #endif /* HDD_WMM_DEBUG */ |
| |
| pkt = skb->data; |
| eth_hdr = (union generic_ethhdr *)pkt; |
| |
| #ifdef HDD_WMM_DEBUG |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: proto is 0x%04x", __func__, skb->protocol); |
| #endif /* HDD_WMM_DEBUG */ |
| |
| if (eth_hdr->eth_II.h_proto == htons(ETH_P_IP)) { |
| /* case 1: Ethernet II IP packet */ |
| ip_hdr = (struct iphdr *)&pkt[sizeof(eth_hdr->eth_II)]; |
| tos = ip_hdr->tos; |
| #ifdef HDD_WMM_DEBUG |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Ethernet II IP Packet, tos is %d", |
| __func__, tos); |
| #endif /* HDD_WMM_DEBUG */ |
| |
| } else if (eth_hdr->eth_II.h_proto == htons(ETH_P_IPV6)) { |
| ipv6hdr = ipv6_hdr(skb); |
| tos = ntohs(*(const __be16 *)ipv6hdr) >> 4; |
| #ifdef HDD_WMM_DEBUG |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Ethernet II IPv6 Packet, tos is %d", |
| __func__, tos); |
| #endif /* HDD_WMM_DEBUG */ |
| } else if ((ntohs(eth_hdr->eth_II.h_proto) < WLAN_MIN_PROTO) && |
| (eth_hdr->eth_8023.h_snap.dsap == WLAN_SNAP_DSAP) && |
| (eth_hdr->eth_8023.h_snap.ssap == WLAN_SNAP_SSAP) && |
| (eth_hdr->eth_8023.h_snap.ctrl == WLAN_SNAP_CTRL) && |
| (eth_hdr->eth_8023.h_proto == htons(ETH_P_IP))) { |
| /* case 2: 802.3 LLC/SNAP IP packet */ |
| ip_hdr = (struct iphdr *)&pkt[sizeof(eth_hdr->eth_8023)]; |
| tos = ip_hdr->tos; |
| #ifdef HDD_WMM_DEBUG |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: 802.3 LLC/SNAP IP Packet, tos is %d", |
| __func__, tos); |
| #endif /* HDD_WMM_DEBUG */ |
| } else if (eth_hdr->eth_II.h_proto == htons(ETH_P_8021Q)) { |
| /* VLAN tagged */ |
| |
| if (eth_hdr->eth_IIv.h_vlan_encapsulated_proto == |
| htons(ETH_P_IP)) { |
| /* case 3: Ethernet II vlan-tagged IP packet */ |
| ip_hdr = |
| (struct iphdr *) |
| &pkt[sizeof(eth_hdr->eth_IIv)]; |
| tos = ip_hdr->tos; |
| #ifdef HDD_WMM_DEBUG |
| CDF_TRACE(CDF_MODULE_ID_HDD, |
| WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Ethernet II VLAN tagged IP Packet, tos is %d", |
| __func__, tos); |
| #endif /* HDD_WMM_DEBUG */ |
| } else |
| if ((ntohs(eth_hdr->eth_IIv.h_vlan_encapsulated_proto) |
| < WLAN_MIN_PROTO) |
| && (eth_hdr->eth_8023v.h_snap.dsap == |
| WLAN_SNAP_DSAP) |
| && (eth_hdr->eth_8023v.h_snap.ssap == |
| WLAN_SNAP_SSAP) |
| && (eth_hdr->eth_8023v.h_snap.ctrl == |
| WLAN_SNAP_CTRL) |
| && (eth_hdr->eth_8023v.h_proto == |
| htons(ETH_P_IP))) { |
| /* case 4: 802.3 LLC/SNAP vlan-tagged IP packet */ |
| ip_hdr = |
| (struct iphdr *) |
| &pkt[sizeof(eth_hdr->eth_8023v)]; |
| tos = ip_hdr->tos; |
| #ifdef HDD_WMM_DEBUG |
| CDF_TRACE(CDF_MODULE_ID_HDD, |
| WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: 802.3 LLC/SNAP VLAN tagged IP Packet, tos is %d", |
| __func__, tos); |
| #endif /* HDD_WMM_DEBUG */ |
| } else { |
| /* default */ |
| #ifdef HDD_WMM_DEBUG |
| CDF_TRACE(CDF_MODULE_ID_HDD, |
| WMM_TRACE_LEVEL_WARN, |
| "%s: VLAN tagged Unhandled Protocol, using default tos", |
| __func__); |
| #endif /* HDD_WMM_DEBUG */ |
| tos = 0; |
| } |
| } else { |
| /* default */ |
| #ifdef HDD_WMM_DEBUG |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_WARN, |
| "%s: Unhandled Protocol, using default tos", |
| __func__); |
| #endif /* HDD_WMM_DEBUG */ |
| /* Give the highest priority to 802.1x packet */ |
| if (eth_hdr->eth_II.h_proto == |
| htons(HDD_ETHERTYPE_802_1_X)) { |
| tos = 0xC0; |
| *is_eapol = true; |
| } else |
| tos = 0; |
| } |
| |
| dscp = (tos >> 2) & 0x3f; |
| *user_pri = adapter->hddWmmDscpToUpMap[dscp]; |
| |
| #ifdef HDD_WMM_DEBUG |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: tos is %d, dscp is %d, up is %d", |
| __func__, tos, dscp, *user_pri); |
| #endif /* HDD_WMM_DEBUG */ |
| |
| return; |
| } |
| |
| #ifdef QCA_LL_TX_FLOW_CONTROL_V2 |
| /** |
| * hdd_get_queue_index() - get queue index |
| * @up: user priority |
| * @is_eapol: is_eapol flag |
| * |
| * Return: queue_index |
| */ |
| static |
| uint16_t hdd_get_queue_index(uint16_t up, bool is_eapol) |
| { |
| if (cdf_unlikely(is_eapol == true)) |
| return HDD_LINUX_AC_HI_PRIO; |
| else |
| return hdd_linux_up_to_ac_map[up]; |
| } |
| #else |
| static |
| uint16_t hdd_get_queue_index(uint16_t up, bool is_eapol) |
| { |
| return hdd_linux_up_to_ac_map[up]; |
| } |
| #endif |
| |
| |
| /** |
| * hdd_hostapd_select_queue() - Function which will classify the packet |
| * according to linux qdisc expectation. |
| * |
| * @dev: [in] pointer to net_device structure |
| * @skb: [in] pointer to os packet |
| * |
| * Return: Qdisc queue index |
| */ |
| uint16_t hdd_hostapd_select_queue(struct net_device *dev, struct sk_buff *skb |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)) |
| , void *accel_priv |
| #endif |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) |
| , select_queue_fallback_t fallback |
| #endif |
| |
| ) |
| { |
| sme_QosWmmUpType up = SME_QOS_WMM_UP_BE; |
| uint16_t queueIndex; |
| hdd_adapter_t *adapter = (hdd_adapter_t *) netdev_priv(dev); |
| hdd_context_t *hddctx = WLAN_HDD_GET_CTX(adapter); |
| bool is_eapol = false; |
| int status = 0; |
| status = wlan_hdd_validate_context(hddctx); |
| |
| if (status != 0) { |
| skb->priority = SME_QOS_WMM_UP_BE; |
| return HDD_LINUX_AC_BE; |
| } |
| |
| /* Get the user priority from IP header */ |
| hdd_wmm_classify_pkt(adapter, skb, &up, &is_eapol); |
| skb->priority = up; |
| queueIndex = hdd_get_queue_index(skb->priority, is_eapol); |
| |
| return queueIndex; |
| } |
| |
| /** |
| * hdd_wmm_select_queue() - Function which will classify the packet |
| * according to linux qdisc expectation. |
| * |
| * @dev: [in] pointer to net_device structure |
| * @skb: [in] pointer to os packet |
| * |
| * Return: Qdisc queue index |
| */ |
| uint16_t hdd_wmm_select_queue(struct net_device *dev, struct sk_buff *skb) |
| { |
| sme_QosWmmUpType up = SME_QOS_WMM_UP_BE; |
| uint16_t queueIndex; |
| hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| bool is_eapol = false; |
| hdd_context_t *hdd_ctx = WLAN_HDD_GET_CTX(pAdapter); |
| int status; |
| |
| status = wlan_hdd_validate_context(hdd_ctx); |
| if (status != 0) { |
| skb->priority = SME_QOS_WMM_UP_BE; |
| return HDD_LINUX_AC_BE; |
| } |
| |
| /* Get the user priority from IP header */ |
| hdd_wmm_classify_pkt(pAdapter, skb, &up, &is_eapol); |
| skb->priority = up; |
| queueIndex = hdd_get_queue_index(skb->priority, is_eapol); |
| |
| return queueIndex; |
| } |
| |
| /** |
| * hdd_wmm_acquire_access_required() - Function which will determine |
| * acquire admittance for a WMM AC is required or not based on psb configuration |
| * done in framework |
| * |
| * @pAdapter: [in] pointer to adapter structure |
| * @acType: [in] WMM AC type of OS packet |
| * |
| * Return: void |
| */ |
| void hdd_wmm_acquire_access_required(hdd_adapter_t *pAdapter, |
| sme_ac_enum_type acType) |
| { |
| /* Each bit in the LSB nibble indicates 1 AC. |
| * Clearing the particular bit in LSB nibble to indicate |
| * access required |
| */ |
| switch (acType) { |
| case SME_AC_BK: |
| /* clear first bit */ |
| pAdapter->psbChanged &= ~SME_QOS_UAPSD_CFG_BK_CHANGED_MASK; |
| break; |
| case SME_AC_BE: |
| /* clear second bit */ |
| pAdapter->psbChanged &= ~SME_QOS_UAPSD_CFG_BE_CHANGED_MASK; |
| break; |
| case SME_AC_VI: |
| /* clear third bit */ |
| pAdapter->psbChanged &= ~SME_QOS_UAPSD_CFG_VI_CHANGED_MASK; |
| break; |
| case SME_AC_VO: |
| /* clear fourth bit */ |
| pAdapter->psbChanged &= ~SME_QOS_UAPSD_CFG_VO_CHANGED_MASK; |
| break; |
| default: |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Invalid AC Type", __func__); |
| break; |
| } |
| } |
| |
| /** |
| * hdd_wmm_acquire_access() - Function which will attempt to acquire |
| * admittance for a WMM AC |
| * |
| * @pAdapter: [in] pointer to adapter context |
| * @acType: [in] WMM AC type of OS packet |
| * @pGranted: [out] pointer to bool flag when indicates if access |
| * has been granted or not |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| CDF_STATUS hdd_wmm_acquire_access(hdd_adapter_t *pAdapter, |
| sme_ac_enum_type acType, bool *pGranted) |
| { |
| hdd_wmm_qos_context_t *pQosContext; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered for AC %d", __func__, acType); |
| |
| if (!hdd_wmm_is_active(pAdapter) || |
| !(WLAN_HDD_GET_CTX(pAdapter))->config->bImplicitQosEnabled || |
| !pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessRequired) { |
| /* either we don't want QoS or the AP doesn't support |
| * QoS or we don't want to do implicit QoS |
| */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: QoS not configured on both ends ", __func__); |
| |
| *pGranted = |
| pAdapter->hddWmmStatus.wmmAcStatus[acType]. |
| wmmAcAccessAllowed; |
| |
| return CDF_STATUS_SUCCESS; |
| } |
| /* do we already have an implicit QoS request pending for this AC? */ |
| if ((pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessNeeded) || |
| (pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessPending)) { |
| /* request already pending so we need to wait for that |
| * response |
| */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Implicit QoS for TL AC %d already scheduled", |
| __func__, acType); |
| |
| *pGranted = false; |
| return CDF_STATUS_SUCCESS; |
| } |
| /* did we already fail to establish implicit QoS for this AC? |
| * (if so, access should have been granted when the failure |
| * was handled) |
| */ |
| if (pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessFailed) { |
| /* request previously failed |
| * allow access, but we'll be downgraded |
| */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Implicit QoS for TL AC %d previously failed", |
| __func__, acType); |
| |
| if (!pAdapter->hddWmmStatus.wmmAcStatus[acType]. |
| wmmAcAccessRequired) { |
| pAdapter->hddWmmStatus.wmmAcStatus[acType]. |
| wmmAcAccessAllowed = true; |
| *pGranted = true; |
| } else { |
| pAdapter->hddWmmStatus.wmmAcStatus[acType]. |
| wmmAcAccessAllowed = false; |
| *pGranted = false; |
| } |
| |
| return CDF_STATUS_SUCCESS; |
| } |
| /* we need to establish implicit QoS */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Need to schedule implicit QoS for TL AC %d, pAdapter is %p", |
| __func__, acType, pAdapter); |
| |
| pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessNeeded = true; |
| |
| pQosContext = kmalloc(sizeof(*pQosContext), GFP_ATOMIC); |
| if (NULL == pQosContext) { |
| /* no memory for QoS context. Nothing we can do but |
| * let data flow |
| */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Unable to allocate context", __func__); |
| pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcAccessAllowed = |
| true; |
| *pGranted = true; |
| return CDF_STATUS_SUCCESS; |
| } |
| |
| pQosContext->acType = acType; |
| pQosContext->pAdapter = pAdapter; |
| pQosContext->qosFlowId = 0; |
| pQosContext->handle = HDD_WMM_HANDLE_IMPLICIT; |
| pQosContext->magic = HDD_WMM_CTX_MAGIC; |
| pQosContext->is_inactivity_timer_running = false; |
| |
| #ifdef CONFIG_CNSS |
| cnss_init_work(&pQosContext->wmmAcSetupImplicitQos, |
| hdd_wmm_do_implicit_qos); |
| #else |
| INIT_WORK(&pQosContext->wmmAcSetupImplicitQos, hdd_wmm_do_implicit_qos); |
| #endif |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Scheduling work for AC %d, context %p", |
| __func__, acType, pQosContext); |
| |
| schedule_work(&pQosContext->wmmAcSetupImplicitQos); |
| |
| /* caller will need to wait until the work takes place and |
| * TSPEC negotiation completes |
| */ |
| *pGranted = false; |
| return CDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * hdd_wmm_assoc() - Function which will handle the housekeeping |
| * required by WMM when association takes place |
| * |
| * @pAdapter: [in] pointer to adapter context |
| * @pRoamInfo: [in] pointer to roam information |
| * @eBssType: [in] type of BSS |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| CDF_STATUS hdd_wmm_assoc(hdd_adapter_t *pAdapter, |
| tCsrRoamInfo *pRoamInfo, eCsrRoamBssType eBssType) |
| { |
| uint8_t uapsdMask; |
| CDF_STATUS status; |
| hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| |
| /* when we associate we need to notify TL if it needs to |
| * enable UAPSD for any access categories |
| */ |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered", __func__); |
| |
| if (pRoamInfo->fReassocReq) { |
| /* when we reassociate we should continue to use |
| * whatever parameters were previously established. |
| * if we are reassociating due to a U-APSD change for |
| * a particular Access Category, then the change will |
| * be communicated to HDD via the QoS callback |
| * associated with the given flow, and U-APSD |
| * parameters will be updated there |
| */ |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Reassoc so no work, Exiting", __func__); |
| |
| return CDF_STATUS_SUCCESS; |
| } |
| /* get the negotiated UAPSD Mask */ |
| uapsdMask = |
| pRoamInfo->u.pConnectedProfile->modifyProfileFields.uapsd_mask; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: U-APSD mask is 0x%02x", __func__, (int)uapsdMask); |
| |
| if (uapsdMask & HDD_AC_VO) { |
| status = |
| sme_enable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))-> |
| pcds_context, |
| (WLAN_HDD_GET_STATION_CTX_PTR |
| (pAdapter))->conn_info.staId[0], |
| SME_AC_VO, 7, 7, |
| pHddCtx->config->InfraUapsdVoSrvIntv, |
| pHddCtx->config->InfraUapsdVoSuspIntv, |
| SME_BI_DIR, 1, |
| pAdapter->sessionId, |
| pHddCtx->config->DelayedTriggerFrmInt); |
| |
| CDF_ASSERT(CDF_IS_STATUS_SUCCESS(status)); |
| } |
| |
| if (uapsdMask & HDD_AC_VI) { |
| status = |
| sme_enable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))-> |
| pcds_context, |
| (WLAN_HDD_GET_STATION_CTX_PTR |
| (pAdapter))->conn_info.staId[0], |
| SME_AC_VI, 5, 5, |
| pHddCtx->config->InfraUapsdViSrvIntv, |
| pHddCtx->config->InfraUapsdViSuspIntv, |
| SME_BI_DIR, 1, |
| pAdapter->sessionId, |
| pHddCtx->config->DelayedTriggerFrmInt); |
| |
| CDF_ASSERT(CDF_IS_STATUS_SUCCESS(status)); |
| } |
| |
| if (uapsdMask & HDD_AC_BK) { |
| status = |
| sme_enable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))-> |
| pcds_context, |
| (WLAN_HDD_GET_STATION_CTX_PTR |
| (pAdapter))->conn_info.staId[0], |
| SME_AC_BK, 2, 2, |
| pHddCtx->config->InfraUapsdBkSrvIntv, |
| pHddCtx->config->InfraUapsdBkSuspIntv, |
| SME_BI_DIR, 1, |
| pAdapter->sessionId, |
| pHddCtx->config->DelayedTriggerFrmInt); |
| |
| CDF_ASSERT(CDF_IS_STATUS_SUCCESS(status)); |
| } |
| |
| if (uapsdMask & HDD_AC_BE) { |
| status = |
| sme_enable_uapsd_for_ac((WLAN_HDD_GET_CTX(pAdapter))-> |
| pcds_context, |
| (WLAN_HDD_GET_STATION_CTX_PTR |
| (pAdapter))->conn_info.staId[0], |
| SME_AC_BE, 3, 3, |
| pHddCtx->config->InfraUapsdBeSrvIntv, |
| pHddCtx->config->InfraUapsdBeSuspIntv, |
| SME_BI_DIR, 1, |
| pAdapter->sessionId, |
| pHddCtx->config->DelayedTriggerFrmInt); |
| |
| CDF_ASSERT(CDF_IS_STATUS_SUCCESS(status)); |
| } |
| |
| status = sme_update_dsc_pto_up_mapping(pHddCtx->hHal, |
| pAdapter->hddWmmDscpToUpMap, |
| pAdapter->sessionId); |
| |
| if (!CDF_IS_STATUS_SUCCESS(status)) { |
| hdd_wmm_init(pAdapter); |
| } |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Exiting", __func__); |
| |
| return CDF_STATUS_SUCCESS; |
| } |
| |
| static const uint8_t acm_mask_bit[WLAN_MAX_AC] = { |
| 0x4, /* SME_AC_BK */ |
| 0x8, /* SME_AC_BE */ |
| 0x2, /* SME_AC_VI */ |
| 0x1 /* SME_AC_VO */ |
| }; |
| |
| /** |
| * hdd_wmm_connect() - Function which will handle the housekeeping |
| * required by WMM when a connection is established |
| * |
| * @pAdapter : [in] pointer to adapter context |
| * @pRoamInfo: [in] pointer to roam information |
| * @eBssType : [in] type of BSS |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| CDF_STATUS hdd_wmm_connect(hdd_adapter_t *pAdapter, |
| tCsrRoamInfo *pRoamInfo, eCsrRoamBssType eBssType) |
| { |
| int ac; |
| bool qap; |
| bool qosConnection; |
| uint8_t acmMask; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered", __func__); |
| |
| if ((eCSR_BSS_TYPE_INFRASTRUCTURE == eBssType) && |
| pRoamInfo && pRoamInfo->u.pConnectedProfile) { |
| qap = pRoamInfo->u.pConnectedProfile->qap; |
| qosConnection = pRoamInfo->u.pConnectedProfile->qosConnection; |
| acmMask = pRoamInfo->u.pConnectedProfile->acm_mask; |
| } else { |
| qap = true; |
| qosConnection = true; |
| acmMask = 0x0; |
| } |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: qap is %d, qosConnection is %d, acmMask is 0x%x", |
| __func__, qap, qosConnection, acmMask); |
| |
| pAdapter->hddWmmStatus.wmmQap = qap; |
| pAdapter->hddWmmStatus.wmmQosConnection = qosConnection; |
| |
| for (ac = 0; ac < WLAN_MAX_AC; ac++) { |
| if (qap && qosConnection && (acmMask & acm_mask_bit[ac])) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: ac %d on", __func__, ac); |
| |
| /* admission is required */ |
| pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| wmmAcAccessRequired = true; |
| pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| wmmAcAccessAllowed = false; |
| pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| wmmAcAccessGranted = false; |
| /* after reassoc if we have valid tspec, allow access */ |
| if (pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| wmmAcTspecValid |
| && (pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| wmmAcTspecInfo.ts_info.direction != |
| SME_QOS_WMM_TS_DIR_DOWNLINK)) { |
| pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| wmmAcAccessAllowed = true; |
| } |
| } else { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: ac %d off", __func__, ac); |
| /* admission is not required so access is allowed */ |
| pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| wmmAcAccessRequired = false; |
| pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| wmmAcAccessAllowed = true; |
| } |
| |
| } |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Exiting", __func__); |
| |
| return CDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * hdd_wmm_get_uapsd_mask() - Function which will calculate the |
| * initial value of the UAPSD mask based upon the device configuration |
| * |
| * @pAdapter : [in] pointer to adapter context |
| * @pUapsdMask: [out] pointer to where the UAPSD Mask is to be stored |
| * |
| * Return: CDF_STATUS enumeration |
| */ |
| CDF_STATUS hdd_wmm_get_uapsd_mask(hdd_adapter_t *pAdapter, |
| uint8_t *pUapsdMask) |
| { |
| uint8_t uapsdMask; |
| |
| if (HDD_WMM_USER_MODE_NO_QOS == |
| (WLAN_HDD_GET_CTX(pAdapter))->config->WmmMode) { |
| /* no QOS then no UAPSD */ |
| uapsdMask = 0; |
| } else { |
| /* start with the default mask */ |
| uapsdMask = (WLAN_HDD_GET_CTX(pAdapter))->config->UapsdMask; |
| |
| /* disable UAPSD for any ACs with a 0 Service Interval */ |
| if ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| InfraUapsdVoSrvIntv == 0) { |
| uapsdMask &= ~HDD_AC_VO; |
| } |
| |
| if ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| InfraUapsdViSrvIntv == 0) { |
| uapsdMask &= ~HDD_AC_VI; |
| } |
| |
| if ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| InfraUapsdBkSrvIntv == 0) { |
| uapsdMask &= ~HDD_AC_BK; |
| } |
| |
| if ((WLAN_HDD_GET_CTX(pAdapter))->config-> |
| InfraUapsdBeSrvIntv == 0) { |
| uapsdMask &= ~HDD_AC_BE; |
| } |
| } |
| |
| /* return calculated mask */ |
| *pUapsdMask = uapsdMask; |
| return CDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * hdd_wmm_is_active() - Function which will determine if WMM is |
| * active on the current connection |
| * |
| * @pAdapter: [in] pointer to adapter context |
| * |
| * Return: true if WMM is enabled, false if WMM is not enabled |
| */ |
| bool hdd_wmm_is_active(hdd_adapter_t *pAdapter) |
| { |
| if ((!pAdapter->hddWmmStatus.wmmQosConnection) || |
| (!pAdapter->hddWmmStatus.wmmQap)) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| /** |
| * hdd_wmm_addts() - Function which will add a traffic spec at the |
| * request of an application |
| * |
| * @pAdapter : [in] pointer to adapter context |
| * @handle : [in] handle to uniquely identify a TS |
| * @pTspec : [in] pointer to the traffic spec |
| * |
| * Return: HDD_WLAN_WMM_STATUS_* |
| */ |
| hdd_wlan_wmm_status_e hdd_wmm_addts(hdd_adapter_t *pAdapter, |
| uint32_t handle, |
| sme_QosWmmTspecInfo *pTspec) |
| { |
| hdd_wmm_qos_context_t *pQosContext; |
| hdd_wlan_wmm_status_e status = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS; |
| #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| sme_QosStatusType smeStatus; |
| #endif |
| bool found = false; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered with handle 0x%x", __func__, handle); |
| |
| /* see if a context already exists with the given handle */ |
| mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| list_for_each_entry(pQosContext, |
| &pAdapter->hddWmmStatus.wmmContextList, node) { |
| if (pQosContext->handle == handle) { |
| found = true; |
| break; |
| } |
| } |
| mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| if (found) { |
| /* record with that handle already exists */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Record already exists with handle 0x%x", |
| __func__, handle); |
| |
| /* Application is trying to modify some of the Tspec |
| * params. Allow it |
| */ |
| smeStatus = sme_qos_modify_req(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| pTspec, pQosContext->qosFlowId); |
| |
| /* need to check the return value and act appropriately */ |
| switch (smeStatus) { |
| case SME_QOS_STATUS_MODIFY_SETUP_PENDING_RSP: |
| status = HDD_WLAN_WMM_STATUS_MODIFY_PENDING; |
| break; |
| case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| status = |
| HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_NO_UAPSD; |
| break; |
| case SME_QOS_STATUS_MODIFY_SETUP_SUCCESS_APSD_SET_ALREADY: |
| status = |
| HDD_WLAN_WMM_STATUS_MODIFY_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| break; |
| case SME_QOS_STATUS_MODIFY_SETUP_INVALID_PARAMS_RSP: |
| status = HDD_WLAN_WMM_STATUS_MODIFY_FAILED_BAD_PARAM; |
| break; |
| case SME_QOS_STATUS_MODIFY_SETUP_FAILURE_RSP: |
| status = HDD_WLAN_WMM_STATUS_MODIFY_FAILED; |
| break; |
| case SME_QOS_STATUS_SETUP_NOT_QOS_AP_RSP: |
| status = HDD_WLAN_WMM_STATUS_SETUP_FAILED_NO_WMM; |
| break; |
| default: |
| /* we didn't get back one of the |
| * SME_QOS_STATUS_MODIFY_* status codes |
| */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: unexpected SME Status=%d", __func__, |
| smeStatus); |
| CDF_ASSERT(0); |
| return HDD_WLAN_WMM_STATUS_MODIFY_FAILED; |
| } |
| |
| /* we were successful, save the status */ |
| mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| if (pQosContext->magic == HDD_WMM_CTX_MAGIC) |
| pQosContext->lastStatus = status; |
| mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| |
| return status; |
| } |
| |
| pQosContext = kmalloc(sizeof(*pQosContext), GFP_KERNEL); |
| if (NULL == pQosContext) { |
| /* no memory for QoS context. Nothing we can do */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: Unable to allocate QoS context", __func__); |
| return HDD_WLAN_WMM_STATUS_INTERNAL_FAILURE; |
| } |
| /* we assume the tspec has already been validated by the caller */ |
| |
| pQosContext->handle = handle; |
| if (pTspec->ts_info.up < HDD_WMM_UP_TO_AC_MAP_SIZE) |
| pQosContext->acType = hdd_wmm_up_to_ac_map[pTspec->ts_info.up]; |
| else { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: ts_info.up (%d) larger than max value (%d), use default acType (%d)", |
| __func__, pTspec->ts_info.up, |
| HDD_WMM_UP_TO_AC_MAP_SIZE - 1, hdd_wmm_up_to_ac_map[0]); |
| pQosContext->acType = hdd_wmm_up_to_ac_map[0]; |
| } |
| pQosContext->pAdapter = pAdapter; |
| pQosContext->qosFlowId = 0; |
| pQosContext->magic = HDD_WMM_CTX_MAGIC; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: Setting up QoS, context %p", __func__, pQosContext); |
| |
| mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| list_add(&pQosContext->node, &pAdapter->hddWmmStatus.wmmContextList); |
| mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| |
| #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| smeStatus = sme_qos_setup_req(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| pAdapter->sessionId, |
| pTspec, |
| hdd_wmm_sme_callback, |
| pQosContext, |
| pTspec->ts_info.up, |
| &pQosContext->qosFlowId); |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO, |
| "%s: sme_qos_setup_req returned %d flowid %d", |
| __func__, smeStatus, pQosContext->qosFlowId); |
| |
| /* need to check the return value and act appropriately */ |
| switch (smeStatus) { |
| case SME_QOS_STATUS_SETUP_REQ_PENDING_RSP: |
| status = HDD_WLAN_WMM_STATUS_SETUP_PENDING; |
| break; |
| case SME_QOS_STATUS_SETUP_SUCCESS_NO_ACM_NO_APSD_RSP: |
| status = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_NO_UAPSD; |
| break; |
| case SME_QOS_STATUS_SETUP_SUCCESS_APSD_SET_ALREADY: |
| status = |
| HDD_WLAN_WMM_STATUS_SETUP_SUCCESS_NO_ACM_UAPSD_EXISTING; |
| break; |
| case SME_QOS_STATUS_SETUP_SUCCESS_IND_APSD_PENDING: |
| status = HDD_WLAN_WMM_STATUS_SETUP_PENDING; |
| break; |
| case SME_QOS_STATUS_SETUP_INVALID_PARAMS_RSP: |
| hdd_wmm_free_context(pQosContext); |
| return HDD_WLAN_WMM_STATUS_SETUP_FAILED_BAD_PARAM; |
| case SME_QOS_STATUS_SETUP_FAILURE_RSP: |
| /* we can't tell the difference between when a request |
| * fails because AP rejected it versus when SME |
| * encounterd an internal error |
| */ |
| hdd_wmm_free_context(pQosContext); |
| return HDD_WLAN_WMM_STATUS_SETUP_FAILED; |
| case SME_QOS_STATUS_SETUP_NOT_QOS_AP_RSP: |
| hdd_wmm_free_context(pQosContext); |
| return HDD_WLAN_WMM_STATUS_SETUP_FAILED_NO_WMM; |
| default: |
| /* we didn't get back one of the |
| * SME_QOS_STATUS_SETUP_* status codes |
| */ |
| hdd_wmm_free_context(pQosContext); |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: unexpected SME Status=%d", __func__, smeStatus); |
| CDF_ASSERT(0); |
| return HDD_WLAN_WMM_STATUS_SETUP_FAILED; |
| } |
| #endif |
| |
| /* we were successful, save the status */ |
| mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| if (pQosContext->magic == HDD_WMM_CTX_MAGIC) |
| pQosContext->lastStatus = status; |
| mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| |
| return status; |
| } |
| |
| /** |
| * hdd_wmm_delts() - Function which will delete a traffic spec at the |
| * request of an application |
| * |
| * @pAdapter: [in] pointer to adapter context |
| * @handle: [in] handle to uniquely identify a TS |
| * |
| * Return: HDD_WLAN_WMM_STATUS_* |
| */ |
| hdd_wlan_wmm_status_e hdd_wmm_delts(hdd_adapter_t *pAdapter, uint32_t handle) |
| { |
| hdd_wmm_qos_context_t *pQosContext; |
| bool found = false; |
| sme_ac_enum_type acType = 0; |
| uint32_t qosFlowId = 0; |
| hdd_wlan_wmm_status_e status = HDD_WLAN_WMM_STATUS_SETUP_SUCCESS; |
| #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| sme_QosStatusType smeStatus; |
| #endif |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered with handle 0x%x", __func__, handle); |
| |
| /* locate the context with the given handle */ |
| mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| list_for_each_entry(pQosContext, |
| &pAdapter->hddWmmStatus.wmmContextList, node) { |
| if (pQosContext->handle == handle) { |
| found = true; |
| acType = pQosContext->acType; |
| qosFlowId = pQosContext->qosFlowId; |
| break; |
| } |
| } |
| mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| |
| if (false == found) { |
| /* we didn't find the handle */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: handle 0x%x not found", __func__, handle); |
| return HDD_WLAN_WMM_STATUS_RELEASE_FAILED_BAD_PARAM; |
| } |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: found handle 0x%x, flow %d, AC %d, context %p", |
| __func__, handle, qosFlowId, acType, pQosContext); |
| |
| #ifndef WLAN_MDM_CODE_REDUCTION_OPT |
| smeStatus = |
| sme_qos_release_req(WLAN_HDD_GET_HAL_CTX(pAdapter), qosFlowId); |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: SME flow %d released, SME status %d", |
| __func__, qosFlowId, smeStatus); |
| |
| switch (smeStatus) { |
| case SME_QOS_STATUS_RELEASE_SUCCESS_RSP: |
| /* this flow is the only one on that AC, so go ahead |
| * and update our TSPEC state for the AC |
| */ |
| pAdapter->hddWmmStatus.wmmAcStatus[acType].wmmAcTspecValid = |
| false; |
| |
| /* need to tell TL to stop trigger timer, etc */ |
| hdd_wmm_disable_tl_uapsd(pQosContext); |
| |
| #ifdef FEATURE_WLAN_ESE |
| /* disable the inactivity timer */ |
| hdd_wmm_disable_inactivity_timer(pQosContext); |
| #endif |
| /* we are done with this context */ |
| hdd_wmm_free_context(pQosContext); |
| |
| /* SME must not fire any more callbacks for this flow |
| * since the context is no longer valid |
| */ |
| |
| return HDD_WLAN_WMM_STATUS_RELEASE_SUCCESS; |
| |
| case SME_QOS_STATUS_RELEASE_REQ_PENDING_RSP: |
| /* do nothing as we will get a response from SME */ |
| status = HDD_WLAN_WMM_STATUS_RELEASE_PENDING; |
| break; |
| |
| case SME_QOS_STATUS_RELEASE_INVALID_PARAMS_RSP: |
| /* nothing we can do with the existing flow except leave it */ |
| status = HDD_WLAN_WMM_STATUS_RELEASE_FAILED_BAD_PARAM; |
| break; |
| |
| case SME_QOS_STATUS_RELEASE_FAILURE_RSP: |
| /* nothing we can do with the existing flow except leave it */ |
| status = HDD_WLAN_WMM_STATUS_RELEASE_FAILED; |
| |
| default: |
| /* we didn't get back one of the |
| * SME_QOS_STATUS_RELEASE_* status codes |
| */ |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_ERROR, |
| "%s: unexpected SME Status=%d", __func__, smeStatus); |
| CDF_ASSERT(0); |
| status = HDD_WLAN_WMM_STATUS_RELEASE_FAILED; |
| } |
| |
| #endif |
| mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| if (pQosContext->magic == HDD_WMM_CTX_MAGIC) |
| pQosContext->lastStatus = status; |
| mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| |
| return status; |
| } |
| |
| /** |
| * hdd_wmm_checkts() - Function which will return the status of a traffic |
| * spec at the request of an application |
| * |
| * @pAdapter: [in] pointer to adapter context |
| * @handle: [in] handle to uniquely identify a TS |
| * |
| * Return: HDD_WLAN_WMM_STATUS_* |
| */ |
| hdd_wlan_wmm_status_e hdd_wmm_checkts(hdd_adapter_t *pAdapter, uint32_t handle) |
| { |
| hdd_wmm_qos_context_t *pQosContext; |
| hdd_wlan_wmm_status_e status = HDD_WLAN_WMM_STATUS_LOST; |
| |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: Entered with handle 0x%x", __func__, handle); |
| |
| /* locate the context with the given handle */ |
| mutex_lock(&pAdapter->hddWmmStatus.wmmLock); |
| list_for_each_entry(pQosContext, |
| &pAdapter->hddWmmStatus.wmmContextList, node) { |
| if (pQosContext->handle == handle) { |
| CDF_TRACE(CDF_MODULE_ID_HDD, WMM_TRACE_LEVEL_INFO_LOW, |
| "%s: found handle 0x%x, context %p", |
| __func__, handle, pQosContext); |
| |
| status = pQosContext->lastStatus; |
| break; |
| } |
| } |
| mutex_unlock(&pAdapter->hddWmmStatus.wmmLock); |
| return status; |
| } |