| /* |
| * Copyright (c) 2012-2017 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. |
| */ |
| |
| /*=========================================================================== |
| |
| s a p A p i L i n k C n t l . C |
| |
| OVERVIEW: |
| |
| This software unit holds the implementation of the WLAN SAP modules |
| Link Control functions. |
| |
| The functions externalized by this module are to be called ONLY by other |
| WLAN modules (HDD) |
| |
| DEPENDENCIES: |
| |
| Are listed for each API below. |
| ===========================================================================*/ |
| |
| /*=========================================================================== |
| |
| EDIT HISTORY FOR FILE |
| |
| |
| This section contains comments describing changes made to the module. |
| Notice that changes are listed in reverse chronological order. |
| |
| |
| $Header: /cygdrive/c/Dropbox/M7201JSDCAAPAD52240B/WM/platform/msm7200/Src/Drivers/SD/ClientDrivers/WLAN/QCT_SAP_PAL/CORE/SAP/src/sapApiLinkCntl.c,v 1.7 2008/12/18 19:44:11 jzmuda Exp jzmuda $$DateTime$$Author: jzmuda $ |
| |
| |
| when who what, where, why |
| ---------- --- -------------------------------------------------------- |
| 2010-03-15 Created module |
| |
| ===========================================================================*/ |
| |
| /*---------------------------------------------------------------------------- |
| * Include Files |
| * -------------------------------------------------------------------------*/ |
| #include "vos_trace.h" |
| // Pick up the CSR callback definition |
| #include "csrApi.h" |
| #include "sme_Api.h" |
| // SAP Internal API header file |
| #include "sapInternal.h" |
| |
| /*---------------------------------------------------------------------------- |
| * Preprocessor Definitions and Constants |
| * -------------------------------------------------------------------------*/ |
| #define SAP_DEBUG |
| |
| /*---------------------------------------------------------------------------- |
| * Type Declarations |
| * -------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| * Global Data Definitions |
| * -------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| * Static Variable Definitions |
| * -------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| * Static Function Declarations and Definitions |
| * -------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| * Externalized Function Definitions |
| * -------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| * Function Declarations and Documentation |
| * -------------------------------------------------------------------------*/ |
| |
| /*========================================================================== |
| FUNCTION WLANSAP_ScanCallback() |
| |
| DESCRIPTION |
| Callback for Scan (scan results) Events |
| |
| DEPENDENCIES |
| NA. |
| |
| PARAMETERS |
| |
| IN |
| tHalHandle : tHalHandle passed in with the scan request |
| *pContext : The second context pass in for the caller (sapContext) |
| scanID : scanID got after the scan |
| status : Status of scan -success, failure or abort |
| |
| RETURN VALUE |
| The eHalStatus code associated with performing the operation |
| |
| eHAL_STATUS_SUCCESS: Success |
| |
| SIDE EFFECTS |
| ============================================================================*/ |
| eHalStatus |
| WLANSAP_ScanCallback |
| ( |
| tHalHandle halHandle, |
| void *pContext, /* Opaque SAP handle */ |
| v_U8_t sessionId, |
| v_U32_t scanID, |
| eCsrScanStatus scanStatus |
| ) |
| { |
| tScanResultHandle pResult = NULL; |
| eHalStatus scanGetResultStatus = eHAL_STATUS_FAILURE; |
| ptSapContext psapContext = (ptSapContext)pContext; |
| tWLAN_SAPEvent sapEvent; /* State machine event */ |
| v_U8_t operChannel = 0; |
| VOS_STATUS sapstatus; |
| tCsrRoamInfo *roam_info = NULL; |
| tpAniSirGlobal pMac = NULL; |
| v_U32_t event; |
| |
| if (NULL == halHandle) |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, |
| "In %s invalid hHal", __func__); |
| return eHAL_STATUS_FAILURE; |
| } |
| else |
| { |
| pMac = PMAC_STRUCT( halHandle ); |
| } |
| |
| if (psapContext->sapsMachine == eSAP_DISCONNECTED) { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_WARN, |
| "In %s BSS already stopped", __func__); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, before switch on scanStatus = %d", __func__, scanStatus); |
| |
| switch (scanStatus) |
| { |
| case eCSR_SCAN_SUCCESS: |
| // sapScanCompleteCallback with eCSR_SCAN_SUCCESS |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, CSR scanStatus = %s (%d)", __func__, "eCSR_SCAN_SUCCESS", scanStatus); |
| |
| // Get scan results, Run channel selection algorithm, select channel and keep in pSapContext->Channel |
| scanGetResultStatus = sme_ScanGetResult(halHandle, psapContext->sessionId, NULL, &pResult); |
| |
| event = eSAP_MAC_SCAN_COMPLETE; |
| |
| if ((scanGetResultStatus != eHAL_STATUS_SUCCESS)&& (scanGetResultStatus != eHAL_STATUS_E_NULL_VALUE)) |
| { |
| // No scan results |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, "In %s, Get scan result failed! ret = %d", |
| __func__, scanGetResultStatus); |
| break; |
| } |
| #ifdef FEATURE_WLAN_AP_AP_ACS_OPTIMIZE |
| if (scanID != 0) { |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| "%s: Sending ACS Scan skip event", __func__); |
| sapSignalHDDevent(psapContext, NULL, |
| eSAP_ACS_SCAN_SUCCESS_EVENT, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS); |
| } else |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| "%s: ACS scan id: %d (skipped ACS SCAN)", __func__, scanID); |
| #endif |
| operChannel = sapSelectChannel(halHandle, psapContext, pResult); |
| if (!operChannel) { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("No channel was selected from preferred channel for Operating channel")); |
| |
| operChannel = psapContext->acs_cfg->start_ch; |
| |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("Selecting operating channel as starting channel from preferred channel list: %d"), |
| operChannel); |
| } |
| |
| sme_ScanResultPurge(halHandle, pResult); |
| break; |
| |
| default: |
| event = eSAP_CHANNEL_SELECTION_FAILED; |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, "In %s, CSR scanStatus = %s (%d)", __func__, "eCSR_SCAN_ABORT/FAILURE", scanStatus); |
| } |
| |
| if (psapContext->sapsMachine != eSAP_STARTED) { |
| if (operChannel == SAP_CHANNEL_NOT_SELECTED) |
| #ifdef SOFTAP_CHANNEL_RANGE |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| "%s: No suitable channel selected due to DFS, LTE-Coex and Concurrent mode restrictions", __func__); |
| |
| if (eCSR_BAND_ALL == psapContext->scanBandPreference || |
| psapContext->allBandScanned == eSAP_TRUE) { |
| psapContext->sapsMachine = eSAP_CH_SELECT; |
| event = eSAP_CHANNEL_SELECTION_FAILED; |
| } else { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO, |
| "%s: Has scan band preference", |
| __func__); |
| if (eCSR_BAND_24 == psapContext->currentPreferredBand) |
| psapContext->currentPreferredBand = eCSR_BAND_5G; |
| else |
| psapContext->currentPreferredBand = eCSR_BAND_24; |
| |
| psapContext->allBandScanned = eSAP_TRUE; |
| /* go back to DISCONNECT state, scan next band */ |
| psapContext->sapsMachine = eSAP_DISCONNECTED; |
| event = eSAP_CHANNEL_SELECTION_RETRY; |
| } |
| } |
| #else |
| psapContext->channel = SAP_DEFAULT_24GHZ_CHANNEL; |
| #endif |
| else |
| psapContext->channel = operChannel; |
| |
| sme_SelectCBMode(halHandle, |
| psapContext->csrRoamProfile.phyMode, |
| psapContext->channel, psapContext->secondary_ch, |
| &psapContext->vht_channel_width, |
| psapContext->ch_width_orig); |
| |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| "In %s, Channel selected = %d", __func__, |
| psapContext->channel); |
| } else { |
| psapContext->channel = psapContext->backup_channel; |
| |
| roam_info = vos_mem_malloc(sizeof(*roam_info)); |
| if (!roam_info) { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, |
| FL("Memory allocation failure!")); |
| } else { |
| roam_info->target_channel = operChannel; |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| "In %s, Channel selected = %d", __func__, |
| roam_info->target_channel); |
| } |
| } |
| |
| #ifdef SOFTAP_CHANNEL_RANGE |
| if(psapContext->channelList != NULL) |
| { |
| /* Always free up the memory for channel selection whatever |
| * the result */ |
| vos_mem_free(psapContext->channelList); |
| psapContext->channelList = NULL; |
| psapContext->num_of_channel = 0; |
| } |
| #endif |
| |
| /* Fill in the event structure */ |
| sapEvent.event = event; |
| sapEvent.params = roam_info; |
| sapEvent.u1 = scanStatus; // roamstatus |
| sapEvent.u2 = 0; // roamResult |
| |
| /* Handle event */ |
| sapstatus = sapFsm(psapContext, &sapEvent); |
| |
| if (roam_info) |
| vos_mem_free(roam_info); |
| return sapstatus; |
| }// WLANSAP_ScanCallback |
| |
| /** |
| * sap_config_acs_result : Generate ACS result params based on ch constraints |
| * @sap_ctx: pointer to SAP context data struct |
| * @hal: HAL Handle pointer |
| * |
| * This function calculates the ACS result params: ht sec channel, vht channel |
| * information and channel bonding based on selected ACS channel. |
| * |
| * Return: None |
| */ |
| |
| void sap_config_acs_result(tHalHandle hal, ptSapContext sap_ctx, uint32_t sec_ch) |
| { |
| uint32_t channel = sap_ctx->acs_cfg->pri_ch; |
| uint8_t cb_mode = eCSR_INI_SINGLE_CHANNEL_CENTERED; |
| |
| sap_ctx->acs_cfg->vht_seg0_center_ch = 0; |
| sap_ctx->acs_cfg->vht_seg1_center_ch = 0; |
| sap_ctx->acs_cfg->ht_sec_ch = 0; |
| |
| cb_mode = sme_SelectCBMode(hal, sap_ctx->csrRoamProfile.phyMode, |
| channel, sec_ch, |
| &sap_ctx->acs_cfg->ch_width, |
| sap_ctx->acs_cfg->ch_width); |
| |
| if (cb_mode == eCSR_INI_DOUBLE_CHANNEL_LOW_PRIMARY) { |
| sap_ctx->acs_cfg->ht_sec_ch = sap_ctx->acs_cfg->pri_ch + 4; |
| } else if (cb_mode == eCSR_INI_DOUBLE_CHANNEL_HIGH_PRIMARY) { |
| sap_ctx->acs_cfg->ht_sec_ch = sap_ctx->acs_cfg->pri_ch - 4; |
| } else if (cb_mode == eCSR_INI_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW) { |
| sap_ctx->acs_cfg->ht_sec_ch = sap_ctx->acs_cfg->pri_ch + 4; |
| sap_ctx->acs_cfg->vht_seg0_center_ch = sap_ctx->acs_cfg->pri_ch |
| + 6; |
| } else if (cb_mode == eCSR_INI_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW) { |
| sap_ctx->acs_cfg->ht_sec_ch = sap_ctx->acs_cfg->pri_ch - 4; |
| sap_ctx->acs_cfg->vht_seg0_center_ch = sap_ctx->acs_cfg->pri_ch |
| + 2; |
| } else if (cb_mode == eCSR_INI_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH) { |
| sap_ctx->acs_cfg->ht_sec_ch = sap_ctx->acs_cfg->pri_ch + 4; |
| sap_ctx->acs_cfg->vht_seg0_center_ch = sap_ctx->acs_cfg->pri_ch |
| - 2; |
| } else if (cb_mode == eCSR_INI_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH) { |
| sap_ctx->acs_cfg->ht_sec_ch = sap_ctx->acs_cfg->pri_ch - 4; |
| sap_ctx->acs_cfg->vht_seg0_center_ch = sap_ctx->acs_cfg->pri_ch |
| - 6; |
| } |
| |
| } |
| |
| |
| |
| /*========================================================================== |
| |
| FUNCTION WLANSAP_PreStartBssAcsScanCallback() |
| |
| DESCRIPTION |
| Callback for Scan (scan results) Events |
| |
| DEPENDENCIES |
| NA. |
| |
| PARAMETERS |
| |
| IN |
| tHalHandle: the tHalHandle passed in with the scan request |
| *p2: the second context pass in for the caller, opaque sap Handle here |
| scanID: |
| sessionId: Session identifier |
| status: Status of scan -success, failure or abort |
| |
| RETURN VALUE |
| The eHalStatus code associated with performing the operation |
| |
| eHAL_STATUS_SUCCESS: Success |
| |
| SIDE EFFECTS |
| |
| ============================================================================*/ |
| eHalStatus |
| WLANSAP_PreStartBssAcsScanCallback |
| ( |
| tHalHandle halHandle, |
| void *pContext, |
| v_U8_t sessionId, |
| v_U32_t scanID, |
| eCsrScanStatus scanStatus |
| ) |
| { |
| tScanResultHandle pResult = NULL; |
| eHalStatus scanGetResultStatus = eHAL_STATUS_FAILURE; |
| ptSapContext psapContext = (ptSapContext)pContext; |
| v_U8_t operChannel = 0; |
| VOS_STATUS vosStatus = VOS_STATUS_E_FAILURE; |
| eHalStatus halStatus = eHAL_STATUS_FAILURE; |
| |
| if ( eCSR_SCAN_SUCCESS == scanStatus) |
| { |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR scanStatus = %s (%d)"), |
| "eCSR_SCAN_SUCCESS", scanStatus); |
| /* |
| * Now do |
| * 1. Get scan results |
| * 2. Run channel selection algorithm |
| * select channel and store in pSapContext->Channel |
| */ |
| scanGetResultStatus = sme_ScanGetResult(halHandle, |
| psapContext->sessionId, |
| NULL, &pResult); |
| |
| if ((scanGetResultStatus != eHAL_STATUS_SUCCESS) && |
| (scanGetResultStatus != eHAL_STATUS_E_NULL_VALUE)) |
| { |
| /* |
| * No scan results |
| * So, set the operation channel not selected |
| * to allow the default channel to be set when |
| * reporting to HDD |
| */ |
| operChannel = SAP_CHANNEL_NOT_SELECTED; |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, |
| FL("Get scan result failed! ret = %d"), |
| scanGetResultStatus); |
| } |
| else |
| { |
| #ifdef FEATURE_WLAN_AP_AP_ACS_OPTIMIZE |
| if (scanID != 0) |
| { |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| "%s: Sending ACS Scan skip event", __func__); |
| sapSignalHDDevent(psapContext, NULL, |
| eSAP_ACS_SCAN_SUCCESS_EVENT, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS); |
| } |
| else |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| "%s: ACS scan id: %d (skipped ACS SCAN)", |
| __func__, scanID); |
| } |
| #endif |
| operChannel = sapSelectChannel(halHandle, psapContext, pResult); |
| if (!operChannel) { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("No channel was selected from preferred channel for Operating channel")); |
| |
| operChannel = psapContext->acs_cfg->start_ch; |
| |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("Selecting operating channel as starting channel from preferred channel list: %d"), |
| operChannel); |
| } |
| |
| sme_ScanResultPurge(halHandle, pResult); |
| } |
| |
| if (operChannel == SAP_CHANNEL_NOT_SELECTED) |
| #ifdef SOFTAP_CHANNEL_RANGE |
| { |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO, |
| FL("No suitable channel selected")); |
| |
| if ( eCSR_BAND_ALL == psapContext->scanBandPreference || |
| psapContext->allBandScanned == eSAP_TRUE) |
| { |
| halStatus = sapSignalHDDevent(psapContext, NULL, |
| eSAP_ACS_CHANNEL_SELECTED, |
| (v_PVOID_t) eSAP_STATUS_FAILURE); |
| } |
| else |
| { |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO, |
| FL("Has scan band preference")); |
| if (eCSR_BAND_24 == psapContext->currentPreferredBand) |
| psapContext->currentPreferredBand = eCSR_BAND_5G; |
| else |
| psapContext->currentPreferredBand = eCSR_BAND_24; |
| |
| psapContext->allBandScanned = eSAP_TRUE; |
| /* |
| * Go back to scanning, scan next band |
| * |
| * 1. No need to pass the second parameter |
| * as the SAP state machine is not started yet |
| * and there is no need for any event posting. |
| * |
| * 2. Set third parameter to TRUE to indicate the |
| * channel selection function to register a |
| * different scan callback fucntion to process |
| * the results pre start BSS. |
| */ |
| vosStatus = sapGotoChannelSel(psapContext, NULL, VOS_TRUE); |
| if (VOS_STATUS_SUCCESS == vosStatus) |
| { |
| halStatus = eHAL_STATUS_SUCCESS; |
| } |
| return halStatus; |
| } |
| } |
| #else |
| psapContext->channel = sap_select_default_oper_chan_ini(halHandle, 0); |
| #endif |
| else |
| { |
| /* |
| * Valid Channel Found from scan results. |
| */ |
| psapContext->acs_cfg->pri_ch = operChannel; |
| psapContext->channel = operChannel; |
| sap_config_acs_result(halHandle, psapContext, |
| psapContext->acs_cfg->ht_sec_ch); |
| } |
| |
| #ifdef SOFTAP_CHANNEL_RANGE |
| if(psapContext->channelList != NULL) |
| { |
| /* |
| * Always free up the memory for |
| * channel selection whatever |
| * the result |
| */ |
| vos_mem_free(psapContext->channelList); |
| psapContext->channelList = NULL; |
| psapContext->num_of_channel = 0; |
| } |
| #endif |
| |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("Channel selected = %d"), psapContext->channel); |
| |
| /* |
| * By now, Channel should be selected |
| * post a message to HDD to indicate |
| * the ACS channel selection complete. |
| */ |
| halStatus = sapSignalHDDevent(psapContext, NULL, |
| eSAP_ACS_CHANNEL_SELECTED, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS); |
| } |
| else |
| { |
| #ifdef SOFTAP_CHANNEL_RANGE |
| if(psapContext->channelList != NULL) |
| { |
| /* |
| * Always free up the memory for |
| * channel selection whatever |
| * the result |
| */ |
| vos_mem_free(psapContext->channelList); |
| psapContext->channelList = NULL; |
| psapContext->num_of_channel = 0; |
| } |
| #endif |
| |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, |
| FL("CSR scanStatus = %s (%d), choose default channel"), |
| "eCSR_SCAN_ABORT/FAILURE", scanStatus ); |
| #ifdef SOFTAP_CHANNEL_RANGE |
| psapContext->channel = sap_select_default_oper_chan_ini(halHandle, |
| psapContext->acs_cfg->hw_mode); |
| #else |
| psapContext->channel = sap_select_default_oper_chan_ini(halHandle, 0); |
| #endif |
| halStatus = sapSignalHDDevent(psapContext, NULL, |
| eSAP_ACS_CHANNEL_SELECTED, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS); |
| } |
| return halStatus; |
| } |
| |
| /*========================================================================== |
| FUNCTION WLANSAP_RoamCallback() |
| |
| DESCRIPTION |
| Callback for Roam (connection status) Events |
| |
| DEPENDENCIES |
| NA. |
| |
| PARAMETERS |
| |
| IN |
| pContext : pContext passed in with the roam request |
| pCsrRoamInfo : Pointer to a tCsrRoamInfo, see definition of eRoamCmdStatus and |
| eRoamCmdResult: For detail valid members. It may be NULL |
| roamId : To identify the callback related roam request. 0 means unsolicited |
| roamStatus : Flag indicating the status of the callback |
| roamResult : Result |
| |
| RETURN VALUE |
| The eHalStatus code associated with performing the operation |
| |
| eHAL_STATUS_SUCCESS: Success |
| |
| SIDE EFFECTS |
| ============================================================================*/ |
| eHalStatus |
| WLANSAP_RoamCallback |
| ( |
| void *pContext, /* Opaque SAP handle */ |
| tCsrRoamInfo *pCsrRoamInfo, |
| v_U32_t roamId, |
| eRoamCmdStatus roamStatus, |
| eCsrRoamResult roamResult |
| ) |
| { |
| /* sapContext value */ |
| ptSapContext sapContext = (ptSapContext) pContext; |
| tWLAN_SAPEvent sapEvent; /* State machine event */ |
| VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; |
| eHalStatus halStatus = eHAL_STATUS_SUCCESS; |
| tHalHandle hHal = VOS_GET_HAL_CB(sapContext->pvosGCtx); |
| tpAniSirGlobal pMac = NULL; |
| tANI_U8 dfs_beacon_start_req = 0; |
| |
| if (NULL == hHal) |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, |
| "In %s invalid hHal", __func__); |
| halStatus = eHAL_STATUS_FAILED_ALLOC; |
| return halStatus; |
| } |
| else |
| { |
| pMac = PMAC_STRUCT( hHal ); |
| } |
| |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("before switch on roamStatus = %d"), |
| roamStatus); |
| switch(roamStatus) |
| { |
| case eCSR_ROAM_SESSION_OPENED: |
| { |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("Session %d opened successfully"), |
| sapContext->sessionId); |
| sapContext->isSapSessionOpen = eSAP_TRUE; |
| vos_event_set(&sapContext->sap_session_opened_evt); |
| break; |
| } |
| |
| case eCSR_ROAM_INFRA_IND: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamStatus = %s (%d)"), |
| "eCSR_ROAM_INFRA_IND", roamStatus); |
| if(roamResult == eCSR_ROAM_RESULT_INFRA_START_FAILED) |
| { |
| /* Fill in the event structure */ |
| sapEvent.event = eSAP_MAC_START_FAILS; |
| sapEvent.params = pCsrRoamInfo; |
| sapEvent.u1 = roamStatus; |
| sapEvent.u2 = roamResult; |
| |
| /* Handle event */ |
| vosStatus = sapFsm(sapContext, &sapEvent); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| } |
| break; |
| |
| case eCSR_ROAM_LOSTLINK: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamStatus = %s (%d)"), |
| "eCSR_ROAM_LOSTLINK", roamStatus); |
| break; |
| |
| case eCSR_ROAM_MIC_ERROR_IND: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamStatus = %s (%d)"), |
| "eCSR_ROAM_MIC_ERROR_IND", roamStatus); |
| break; |
| |
| case eCSR_ROAM_SET_KEY_COMPLETE: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamStatus = %s (%d)"), |
| "eCSR_ROAM_SET_KEY_COMPLETE", roamStatus); |
| if (roamResult == eCSR_ROAM_RESULT_FAILURE ) |
| { |
| /* Format the SET KEY complete information pass to HDD... */ |
| sapSignalHDDevent(sapContext, pCsrRoamInfo, eSAP_STA_SET_KEY_EVENT,(v_PVOID_t) eSAP_STATUS_FAILURE); |
| } |
| break; |
| |
| case eCSR_ROAM_REMOVE_KEY_COMPLETE: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamStatus = %s (%d)"), |
| "eCSR_ROAM_REMOVE_KEY_COMPLETE", roamStatus); |
| if (roamResult == eCSR_ROAM_RESULT_FAILURE ) |
| { |
| /* Format the SET KEY complete information pass to HDD... */ |
| sapSignalHDDevent(sapContext, pCsrRoamInfo, eSAP_STA_DEL_KEY_EVENT, (v_PVOID_t)eSAP_STATUS_FAILURE); |
| } |
| break; |
| |
| case eCSR_ROAM_ASSOCIATION_COMPLETION: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamStatus = %s (%d)"), |
| "eCSR_ROAM_ASSOCIATION_COMPLETION", roamStatus); |
| if (roamResult == eCSR_ROAM_RESULT_FAILURE ) |
| { |
| /* Format the SET KEY complete information pass to HDD... */ |
| sapSignalHDDevent(sapContext, pCsrRoamInfo, eSAP_STA_REASSOC_EVENT, (v_PVOID_t)eSAP_STATUS_FAILURE); |
| } |
| break; |
| |
| case eCSR_ROAM_DISASSOCIATED: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamStatus = %s (%d)"), |
| "eCSR_ROAM_DISASSOCIATED", roamStatus); |
| if (roamResult == eCSR_ROAM_RESULT_MIC_FAILURE) |
| { |
| /* Format the MIC failure event to return... */ |
| sapSignalHDDevent(sapContext, pCsrRoamInfo, eSAP_STA_MIC_FAILURE_EVENT,(v_PVOID_t) eSAP_STATUS_FAILURE); |
| } |
| break; |
| |
| case eCSR_ROAM_WPS_PBC_PROBE_REQ_IND: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamStatus = %s (%d)"), |
| "eCSR_ROAM_WPS_PBC_PROBE_REQ_IND", roamStatus); |
| break; |
| case eCSR_ROAM_REMAIN_CHAN_READY: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamStatus = %s (%d)"), |
| "eCSR_ROAM_REMAIN_CHAN_READY", roamStatus); |
| sapSignalHDDevent(sapContext, pCsrRoamInfo, |
| eSAP_REMAIN_CHAN_READY, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS); |
| break; |
| case eCSR_ROAM_DISCONNECT_ALL_P2P_CLIENTS: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamStatus = %s (%d)"), |
| "eCSR_ROAM_DISCONNECT_ALL_P2P_CLIENTS", roamStatus); |
| sapSignalHDDevent(sapContext, pCsrRoamInfo, |
| eSAP_DISCONNECT_ALL_P2P_CLIENT, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS ); |
| break; |
| |
| case eCSR_ROAM_SEND_P2P_STOP_BSS: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("Received stopbss")); |
| sapSignalHDDevent(sapContext, pCsrRoamInfo, |
| eSAP_MAC_TRIG_STOP_BSS_EVENT, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS ); |
| break; |
| |
| case eCSR_ROAM_DFS_RADAR_IND: |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("Received Radar Indication")); |
| |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_MED, |
| "sapdfs: Indicate eSAP_DFS_RADAR_DETECT to HDD"); |
| sapSignalHDDevent(sapContext, NULL, eSAP_DFS_RADAR_DETECT, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS); |
| |
| /* sync to latest DFS-NOL */ |
| sapSignalHDDevent(sapContext, NULL, eSAP_DFS_NOL_GET, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS); |
| |
| pMac->sap.SapDfsInfo.target_channel = |
| sapIndicateRadar(sapContext, &pCsrRoamInfo->dfs_event); |
| |
| /* if there is an assigned next channel hopping */ |
| if (0 < pMac->sap.SapDfsInfo.user_provided_target_channel) |
| { |
| pMac->sap.SapDfsInfo.target_channel = |
| pMac->sap.SapDfsInfo.user_provided_target_channel; |
| pMac->sap.SapDfsInfo.user_provided_target_channel = 0; |
| } |
| |
| if (pMac->sap.SapDfsInfo.target_channel == 0) { |
| /* No available channel found */ |
| v_U8_t intf; |
| /* Issue stopbss for each sapctx */ |
| for (intf = 0; intf < SAP_MAX_NUM_SESSION; intf++) |
| { |
| ptSapContext pSapContext; |
| |
| if (((VOS_STA_SAP_MODE == |
| pMac->sap.sapCtxList[intf].sapPersona) || |
| (VOS_P2P_GO_MODE == |
| pMac->sap.sapCtxList[intf].sapPersona)) && |
| pMac->sap.sapCtxList[intf].pSapContext != NULL ) |
| { |
| pSapContext = pMac->sap.sapCtxList[intf].pSapContext; |
| VOS_TRACE(VOS_MODULE_ID_SAP, |
| VOS_TRACE_LEVEL_ERROR, |
| "sapdfs: no available channel for sapctx[%pK], StopBss", |
| pSapContext); |
| |
| WLANSAP_StopBss(pSapContext); |
| } |
| } |
| break; |
| } |
| |
| pMac->sap.SapDfsInfo.cac_state = eSAP_DFS_DO_NOT_SKIP_CAC; |
| sap_CacResetNotify(hHal); |
| |
| /* set DFS-NOL back to keep it update-to-date in CNSS */ |
| sapSignalHDDevent(sapContext, NULL, eSAP_DFS_NOL_SET, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS); |
| |
| break; |
| |
| case eCSR_ROAM_DFS_CHAN_SW_NOTIFY: |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| "In %s, Received Chan Sw Update Notification", __func__); |
| break; |
| |
| case eCSR_ROAM_SET_CHANNEL_RSP: |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| "In %s, Received set channel response", __func__); |
| break; |
| case eCSR_ROAM_EXT_CHG_CHNL_IND: |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| "In %s, Received set channel Indication", __func__); |
| break; |
| default: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, |
| FL("CSR roamStatus not handled roamStatus = %s (%d)"), |
| get_eRoamCmdStatus_str(roamStatus), roamStatus); |
| break; |
| |
| } |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("Before switch on roamResult = %d"), roamResult); |
| switch (roamResult) |
| { |
| case eCSR_ROAM_RESULT_INFRA_ASSOCIATION_IND: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL( "CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_INFRA_ASSOCIATION_IND", |
| roamResult); |
| sapContext->nStaWPARSnReqIeLength = pCsrRoamInfo->rsnIELen; |
| |
| if(sapContext->nStaWPARSnReqIeLength) |
| vos_mem_copy( sapContext->pStaWpaRsnReqIE, |
| pCsrRoamInfo->prsnIE, sapContext->nStaWPARSnReqIeLength); |
| |
| #ifdef FEATURE_WLAN_WAPI |
| sapContext->nStaWAPIReqIeLength = pCsrRoamInfo->wapiIELen; |
| |
| if(sapContext->nStaWAPIReqIeLength) |
| vos_mem_copy( sapContext->pStaWapiReqIE, |
| pCsrRoamInfo->pwapiIE, sapContext->nStaWAPIReqIeLength); |
| #endif |
| sapContext->nStaAddIeLength = pCsrRoamInfo->addIELen; |
| |
| if(sapContext->nStaAddIeLength) |
| vos_mem_copy( sapContext->pStaAddIE, |
| pCsrRoamInfo->paddIE, sapContext->nStaAddIeLength); |
| |
| sapContext->SapQosCfg.WmmIsEnabled = pCsrRoamInfo->wmmEnabledSta; |
| // MAC filtering |
| vosStatus = sapIsPeerMacAllowed(sapContext, (v_U8_t *)pCsrRoamInfo->peerMac); |
| |
| if ( VOS_STATUS_SUCCESS == vosStatus ) |
| { |
| vosStatus = sapSignalHDDevent( sapContext, pCsrRoamInfo, eSAP_STA_ASSOC_IND, (v_PVOID_t)eSAP_STATUS_SUCCESS); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, |
| FL("CSR roamResult = (%d) MAC (" |
| MAC_ADDRESS_STR") fail"), |
| roamResult, |
| MAC_ADDR_ARRAY(pCsrRoamInfo->peerMac)); |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| } |
| else |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_WARN, |
| FL("CSR roamResult = (%d) MAC (" |
| MAC_ADDRESS_STR") not allowed"), |
| roamResult, |
| MAC_ADDR_ARRAY(pCsrRoamInfo->peerMac)); |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| |
| break; |
| |
| case eCSR_ROAM_RESULT_INFRA_ASSOCIATION_CNF: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_INFRA_ASSOCIATION_CNF", |
| roamResult); |
| |
| sapContext->nStaWPARSnReqIeLength = pCsrRoamInfo->rsnIELen; |
| if (sapContext->nStaWPARSnReqIeLength) |
| vos_mem_copy( sapContext->pStaWpaRsnReqIE, |
| pCsrRoamInfo->prsnIE, sapContext->nStaWPARSnReqIeLength); |
| |
| sapContext->nStaAddIeLength = pCsrRoamInfo->addIELen; |
| if(sapContext->nStaAddIeLength) |
| vos_mem_copy( sapContext->pStaAddIE, |
| pCsrRoamInfo->paddIE, sapContext->nStaAddIeLength); |
| |
| sapContext->SapQosCfg.WmmIsEnabled = pCsrRoamInfo->wmmEnabledSta; |
| /* Fill in the event structure */ |
| vosStatus = sapSignalHDDevent( sapContext, pCsrRoamInfo, eSAP_STA_ASSOC_EVENT, (v_PVOID_t)eSAP_STATUS_SUCCESS); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| break; |
| |
| case eCSR_ROAM_RESULT_DEAUTH_IND: |
| case eCSR_ROAM_RESULT_DISASSOC_IND: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_DISASSOC_IND", |
| roamResult); |
| /* Fill in the event structure */ |
| vosStatus = sapSignalHDDevent( sapContext, pCsrRoamInfo, eSAP_STA_DISASSOC_EVENT, (v_PVOID_t)eSAP_STATUS_SUCCESS); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| break; |
| |
| case eCSR_ROAM_RESULT_MIC_ERROR_GROUP: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_MIC_ERROR_GROUP", |
| roamResult); |
| /* Fill in the event structure */ |
| //TODO: support for group key MIC failure event to be handled |
| vosStatus = sapSignalHDDevent( sapContext, pCsrRoamInfo, eSAP_STA_MIC_FAILURE_EVENT,(v_PVOID_t) NULL); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| break; |
| |
| case eCSR_ROAM_RESULT_MIC_ERROR_UNICAST: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_MIC_ERROR_UNICAST", |
| roamResult); |
| /* Fill in the event structure */ |
| //TODO: support for unicast key MIC failure event to be handled |
| vosStatus = sapSignalHDDevent( sapContext, pCsrRoamInfo, eSAP_STA_MIC_FAILURE_EVENT,(v_PVOID_t) NULL); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| break; |
| |
| case eCSR_ROAM_RESULT_AUTHENTICATED: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_AUTHENTICATED", |
| roamResult); |
| /* Fill in the event structure */ |
| vosStatus = sapSignalHDDevent(sapContext, |
| pCsrRoamInfo,eSAP_STA_SET_KEY_EVENT, |
| (v_PVOID_t)eSAP_STATUS_SUCCESS); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| break; |
| |
| case eCSR_ROAM_RESULT_ASSOCIATED: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_ASSOCIATED", |
| roamResult); |
| /* Fill in the event structure */ |
| sapSignalHDDevent( sapContext, pCsrRoamInfo,eSAP_STA_REASSOC_EVENT, (v_PVOID_t)eSAP_STATUS_SUCCESS); |
| break; |
| |
| case eCSR_ROAM_RESULT_INFRA_STARTED: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_INFRA_STARTED", |
| roamResult); |
| |
| /* In the current implementation, hostapd is not aware that |
| * drive will support DFS. Hence, driver should inform |
| * eSAP_MAC_START_BSS_SUCCESS to upper layers and then perform |
| * CAC underneath |
| */ |
| sapEvent.event = eSAP_MAC_START_BSS_SUCCESS; |
| sapEvent.params = pCsrRoamInfo; |
| sapEvent.u1 = roamStatus; |
| sapEvent.u2 = roamResult; |
| |
| vosStatus = sapFsm(sapContext, &sapEvent); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| break; |
| |
| case eCSR_ROAM_RESULT_INFRA_STOPPED: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_INFRA_STOPPED", |
| roamResult); |
| /* Fill in the event structure */ |
| sapEvent.event = eSAP_MAC_READY_FOR_CONNECTIONS; |
| sapEvent.params = pCsrRoamInfo; |
| sapEvent.u1 = roamStatus; |
| sapEvent.u2 = roamResult; |
| |
| /* Handle event */ |
| vosStatus = sapFsm(sapContext, &sapEvent); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| break; |
| |
| case eCSR_ROAM_RESULT_WPS_PBC_PROBE_REQ_IND: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_WPS_PBC_PROBE_REQ_IND", |
| roamResult); |
| /* Fill in the event structure */ |
| //TODO: support for group key MIC failure event to be handled |
| vosStatus = sapSignalHDDevent( sapContext, pCsrRoamInfo, eSAP_WPS_PBC_PROBE_REQ_EVENT,(v_PVOID_t) NULL); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| break; |
| |
| case eCSR_ROAM_RESULT_FORCED: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_FORCED", |
| roamResult); |
| //This event can be used to inform hdd about user triggered disassoc event |
| /* Fill in the event structure */ |
| sapSignalHDDevent( sapContext, pCsrRoamInfo, eSAP_STA_DISASSOC_EVENT, (v_PVOID_t)eSAP_STATUS_SUCCESS); |
| break; |
| |
| case eCSR_ROAM_RESULT_NONE: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_NONE", |
| roamResult); |
| //This event can be used to inform hdd about user triggered disassoc event |
| /* Fill in the event structure */ |
| if ( roamStatus == eCSR_ROAM_SET_KEY_COMPLETE) |
| { |
| sapSignalHDDevent( sapContext, pCsrRoamInfo,eSAP_STA_SET_KEY_EVENT,(v_PVOID_t) eSAP_STATUS_SUCCESS); |
| } |
| else if (roamStatus == eCSR_ROAM_REMOVE_KEY_COMPLETE ) |
| { |
| sapSignalHDDevent( sapContext, pCsrRoamInfo,eSAP_STA_DEL_KEY_EVENT,(v_PVOID_t) eSAP_STATUS_SUCCESS); |
| } |
| break; |
| |
| case eCSR_ROAM_RESULT_MAX_ASSOC_EXCEEDED: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL("CSR roamResult = %s (%d)"), |
| "eCSR_ROAM_RESULT_MAX_ASSOC_EXCEEDED", |
| roamResult); |
| /* Fill in the event structure */ |
| vosStatus = sapSignalHDDevent(sapContext, pCsrRoamInfo, eSAP_MAX_ASSOC_EXCEEDED, (v_PVOID_t)NULL); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| |
| break; |
| |
| case eCSR_ROAM_RESULT_DFS_RADAR_FOUND_IND: |
| if (eSAP_DFS_CAC_WAIT == sapContext->sapsMachine) |
| { |
| if (sapContext->csrRoamProfile.disableDFSChSwitch) { |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, |
| "sapdfs: DFS channel switch disabled"); |
| break; |
| } |
| if (VOS_TRUE == pMac->sap.SapDfsInfo.sap_radar_found_status) |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_MED, |
| "sapdfs:Posting event eSAP_DFS_CHANNEL_CAC_RADAR_FOUND"); |
| /* |
| * If Radar is found, while in DFS CAC WAIT State then |
| * post stop and destroy the CAC timer and post a |
| * eSAP_DFS_CHANNEL_CAC_RADAR_FOUND to sapFsm. |
| */ |
| vos_timer_stop(&pMac->sap.SapDfsInfo.sap_dfs_cac_timer); |
| vos_timer_destroy(&pMac->sap.SapDfsInfo.sap_dfs_cac_timer); |
| pMac->sap.SapDfsInfo.is_dfs_cac_timer_running = false; |
| |
| /* |
| * User space is already indicated the CAC start and if |
| * CAC end on this channel is not indicated, the user |
| * space will be in some undefined state (e.g., UI frozen) |
| */ |
| vosStatus = sapSignalHDDevent(sapContext, NULL, |
| eSAP_DFS_CAC_INTERRUPTED, |
| (v_PVOID_t) eSAP_STATUS_SUCCESS); |
| if (VOS_STATUS_SUCCESS != vosStatus) { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, |
| FL("Failed to send CAC end")); |
| /* Want to still proceed and try to switch channel. |
| * Lets try not to be on the DFS channel |
| */ |
| } |
| |
| sapEvent.event = eSAP_DFS_CHANNEL_CAC_RADAR_FOUND; |
| sapEvent.params = 0; |
| sapEvent.u1 = 0; |
| sapEvent.u2 = 0; |
| vosStatus = sapFsm(sapContext, &sapEvent); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| } |
| } |
| else if(eSAP_STARTED == sapContext->sapsMachine) |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_MED, |
| "sapdfs:Posting event eSAP_DFS_CHNL_SWITCH_ANNOUNCEMENT_START"); |
| |
| /* Radar found on the operating channel in STARTED state, |
| * new operating channel has already been selected. Send |
| * request to SME-->PE for sending CSA IE |
| */ |
| sapEvent.event = eSAP_DFS_CHNL_SWITCH_ANNOUNCEMENT_START; |
| sapEvent.params = 0; |
| sapEvent.u1 = 0; |
| sapEvent.u2 = 0; |
| vosStatus = sapFsm(sapContext, &sapEvent); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| } |
| else |
| { |
| /* Further actions to be taken here */ |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, |
| "In %s, eCSR_ROAM_RESULT_DFS_RADAR_FOUND_IND received in (%d) state" |
| , __func__, sapContext->sapsMachine); |
| } |
| break; |
| |
| case eCSR_ROAM_RESULT_DFS_CHANSW_UPDATE_SUCCESS: |
| case eCSR_ROAM_RESULT_DFS_CHANSW_UPDATE_FAILURE: |
| { |
| eCsrPhyMode phyMode = sapContext->csrRoamProfile.phyMode; |
| |
| if (sapContext->csrRoamProfile.disableDFSChSwitch) { |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, |
| "sapdfs: DFS channel switch disabled"); |
| /* |
| * Send a beacon start request to PE. CSA IE required |
| * flag from beacon template will be cleared by now. |
| * A new beacon template with no CSA IE will be sent |
| * to firmware. |
| */ |
| dfs_beacon_start_req = VOS_TRUE; |
| halStatus = sme_RoamStartBeaconReq( hHal, |
| sapContext->bssid, |
| dfs_beacon_start_req); |
| break; |
| } |
| |
| /* Both success and failure cases are handled intentionally handled |
| * together. Irrespective of whether the channel switch IE was |
| * sent out successfully or not, SAP should still vacate the |
| * channel immediately |
| */ |
| if (eSAP_STARTED == sapContext->sapsMachine) |
| { |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_MED, |
| "sapdfs: from state %s => %s", |
| "eSAP_STARTED", "eSAP_DISCONNECTING"); |
| |
| /* SAP to be moved to DISCONNECTING state */ |
| sapContext->sapsMachine = eSAP_DISCONNECTING; |
| |
| /* The associated stations have been informed to move |
| * to a different channel. However, the AP may not always |
| * select the advertised channel for operation if the radar |
| * is seen. In that case, the stations will experience link-loss |
| * and return back through scanning if they wish to |
| */ |
| |
| /* Send channel change request |
| * From spec it is required that the AP should continue to |
| * operate in the same mode as it is operating currently. |
| * For e.g. 20/40/80 MHz operation |
| */ |
| if (pMac->sap.SapDfsInfo.target_channel) |
| { |
| sme_SelectCBMode(hHal, phyMode, |
| pMac->sap.SapDfsInfo.target_channel, |
| 0, &sapContext->vht_channel_width, |
| sapContext->ch_width_orig); |
| } |
| |
| /* |
| * Fetch the number of SAP interfaces. |
| * If the number of sap Interface more than |
| * one then we will make is_sap_ready_for_chnl_chng to true |
| * for that sapctx |
| * |
| * If there is only one SAP interface then process immediately |
| */ |
| |
| if (sap_get_total_number_sap_intf(hHal) > 1) |
| { |
| v_U8_t intf; |
| sapContext->is_sap_ready_for_chnl_chng = VOS_TRUE; |
| /* |
| * now check if the con-current sap interface is ready |
| * for channel change. |
| * If yes then we issue channel change for both the |
| * SAPs. |
| * If no then simply return success & we will issue channel |
| * change when second AP's 5 CSA beacon Tx is completed. |
| */ |
| if (VOS_TRUE == |
| is_concurrent_sap_ready_for_channel_change(hHal, |
| sapContext)) |
| { |
| /* Issue channel change req for each sapctx */ |
| for (intf = 0; intf < SAP_MAX_NUM_SESSION; intf++) |
| { |
| ptSapContext pSapContext; |
| if (((VOS_STA_SAP_MODE == |
| pMac->sap.sapCtxList[intf].sapPersona) || |
| (VOS_P2P_GO_MODE == |
| pMac->sap.sapCtxList[intf].sapPersona)) && |
| (pMac->sap.sapCtxList[intf].pSapContext != |
| NULL)) |
| { |
| pSapContext = |
| pMac->sap.sapCtxList[intf].pSapContext; |
| VOS_TRACE(VOS_MODULE_ID_SAP, |
| VOS_TRACE_LEVEL_INFO_MED, |
| "sapdfs:issue chnl change for sapctx[%pK]", |
| pSapContext); |
| /* Send channel switch request */ |
| sapEvent.event = eWNI_SME_CHANNEL_CHANGE_REQ; |
| sapEvent.params = 0; |
| sapEvent.u1 = 0; |
| sapEvent.u2 = 0; |
| |
| |
| /* Handle event */ |
| vosStatus = sapFsm(pSapContext, &sapEvent); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| VOS_TRACE(VOS_MODULE_ID_SAP, |
| VOS_TRACE_LEVEL_ERROR, |
| FL("post chnl chng req failed, sap[%pK]"), |
| sapContext); |
| } |
| else |
| { |
| pSapContext->is_sap_ready_for_chnl_chng = |
| VOS_FALSE; |
| } |
| |
| } |
| } |
| } |
| else |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_MED, |
| FL("sapdfs: sapctx[%pK] ready but not concurrent sap"), |
| sapContext); |
| |
| halStatus = eHAL_STATUS_SUCCESS; |
| } |
| } |
| else |
| { |
| /* Send channel switch request */ |
| sapEvent.event = eWNI_SME_CHANNEL_CHANGE_REQ; |
| sapEvent.params = 0; |
| sapEvent.u1 = 0; |
| sapEvent.u2 = 0; |
| |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_MED, |
| "sapdfs: Posting event eWNI_SME_CHANNEL_CHANGE_REQ to sapFSM"); |
| |
| /* Handle event */ |
| vosStatus = sapFsm(sapContext, &sapEvent); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| } |
| } |
| else |
| { |
| /* Further actions to be taken here */ |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_WARN, |
| "In %s, eCSR_ROAM_RESULT_DFS_RADAR_FOUND_IND received in (%d) state", |
| __func__, sapContext->sapsMachine); |
| } |
| break; |
| } |
| case eCSR_ROAM_RESULT_CHANNEL_CHANGE_SUCCESS: |
| { |
| /* Channel change is successful. If the new channel is a DFS |
| * channel, then we will to perform channel availability check |
| * for 60 seconds |
| */ |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_MED, |
| "sapdfs: changing target channel to [%d]", |
| pMac->sap.SapDfsInfo.target_channel); |
| |
| sapContext->channel = |
| pMac->sap.SapDfsInfo.target_channel; |
| |
| /* Identify if this is channel change in radar detected state */ |
| if (eSAP_DISCONNECTING == sapContext->sapsMachine) |
| { |
| /* check if currently selected channel is a DFS channel */ |
| if (NV_CHANNEL_DFS == |
| vos_nv_getChannelEnabledState(sapContext->channel)) |
| { |
| if ((VOS_FALSE == pMac->sap.SapDfsInfo.ignore_cac) && |
| (eSAP_DFS_DO_NOT_SKIP_CAC == |
| pMac->sap.SapDfsInfo.cac_state)) |
| { |
| sapContext->sapsMachine = eSAP_DISCONNECTED; |
| |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_MED, |
| "sapdfs: from state %s => %s with ignore cac FALSE on sapctx[%pK]", |
| "eSAP_DISCONNECTING", "DISCONNECTED", sapContext); |
| |
| /* DFS Channel */ |
| sapEvent.event = eSAP_DFS_CHANNEL_CAC_START; |
| sapEvent.params = pCsrRoamInfo; |
| sapEvent.u1 = 0; |
| sapEvent.u2 = 0; |
| } |
| else |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_MED, |
| "sapdfs: from state %s => %s with ignore cac TRUE on sapctx[%pK]", |
| "eSAP_DISCONNECTING", "eSAP_STARTING", sapContext); |
| |
| /* Start beaconing on the new channel */ |
| WLANSAP_StartBeaconReq((v_PVOID_t)sapContext); |
| sapContext->sapsMachine = eSAP_STARTING; |
| pMac->sap.SapDfsInfo.sap_radar_found_status = VOS_FALSE; |
| sapEvent.event = eSAP_MAC_START_BSS_SUCCESS; |
| sapEvent.params = pCsrRoamInfo; |
| sapEvent.u1 = eCSR_ROAM_INFRA_IND; |
| sapEvent.u2 = eCSR_ROAM_RESULT_INFRA_STARTED; |
| } |
| } |
| else |
| { |
| VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_MED, |
| "sapdfs: from state %s => %s on sapctx[%pK]", |
| "eSAP_DISCONNECTING", "eSAP_STARTING", sapContext); |
| |
| /* non-DFS channel */ |
| sapContext->sapsMachine = eSAP_STARTING; |
| pMac->sap.SapDfsInfo.sap_radar_found_status = VOS_FALSE; |
| sapEvent.event = eSAP_MAC_START_BSS_SUCCESS; |
| sapEvent.params = pCsrRoamInfo; |
| sapEvent.u1 = eCSR_ROAM_INFRA_IND; |
| sapEvent.u2 = eCSR_ROAM_RESULT_INFRA_STARTED; |
| } |
| |
| /* Handle the event */ |
| vosStatus = sapFsm(sapContext, &sapEvent); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| |
| } |
| else |
| { |
| /* We may have a requirment in the future for SAP to perform |
| * channel change, hence leaving this here |
| */ |
| } |
| |
| break; |
| } |
| case eCSR_ROAM_RESULT_CHANNEL_CHANGE_FAILURE: |
| { |
| /* This is much more serious issue, we have to vacate the |
| * channel due to the presence of radar but our channel change |
| * failed, stop the BSS operation completely and inform hostapd |
| */ |
| sapEvent.event = eWNI_SME_CHANNEL_CHANGE_RSP; |
| sapEvent.params = 0; |
| sapEvent.u1 = eCSR_ROAM_INFRA_IND; |
| sapEvent.u2 = eCSR_ROAM_RESULT_CHANNEL_CHANGE_FAILURE; |
| |
| vosStatus = sapFsm(sapContext, &sapEvent); |
| if (!VOS_IS_STATUS_SUCCESS(vosStatus)) { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| break; |
| } |
| case eCSR_ROAM_EXT_CHG_CHNL_UPDATE_IND: |
| { |
| vosStatus = sapSignalHDDevent(sapContext, pCsrRoamInfo, |
| eSAP_ECSA_CHANGE_CHAN_IND, (v_PVOID_t)NULL); |
| if (!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| halStatus = eHAL_STATUS_FAILURE; |
| } |
| break; |
| } |
| default: |
| VOS_TRACE( VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_ERROR, |
| FL("CSR roamResult = %s (%d) not handled"), |
| get_eCsrRoamResult_str(roamResult), |
| roamResult); |
| break; |
| } |
| |
| return halStatus; |
| } |
