/* * Copyright (c) 2012-2013 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. */ /*=========================================================================== b a p A p i T i m e r . C OVERVIEW: This software unit holds the implementation of the timer routines required by the WLAN BAP module. The functions provide by this module are called by the rest of the BT-AMP PAL module. 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: /home/labuser/btamp-label9/CORE/BAP/src/bapApiTimer.c,v 1.5 2010/09/04 00:14:37 labuser Exp labuser $$DateTime$$Author: labuser $ when who what, where, why ---------- --- -------------------------------------------------------- 2008-10-23 jez Created module ===========================================================================*/ /*---------------------------------------------------------------------------- * Include Files * -------------------------------------------------------------------------*/ // I think this pulls in everything #include "vos_types.h" #include "bapApiTimer.h" //#define BAP_DEBUG /*---------------------------------------------------------------------------- * Preprocessor Definitions and Constants * -------------------------------------------------------------------------*/ #define WLAN_BAP_TX_PKT_MONITOR_TIME 100 /*---------------------------------------------------------------------------- * Type Declarations * -------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- * Global Data Definitions * -------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- * External declarations for global context * -------------------------------------------------------------------------*/ #if 1 //*BT-AMP packet LLC OUI value*/ static const v_U8_t WLANBAP_BT_AMP_OUI[] = {0x00, 0x19, 0x58 }; #endif /*---------------------------------------------------------------------------- * Static Variable Definitions * -------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- * Static Function Declarations and Definitions * -------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- * Externalized Function Definitions * -------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- * Function Declarations and Documentation * -------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------- * Utility Function implementations * -------------------------------------------------------------------------*/ /*========================================================================== FUNCTION WLANBAP_InitConnectionAcceptTimer DESCRIPTION Initialize the Connection Accept Timer. DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block RETURN VALUE The result code associated with performing the operation VOS_STATUS_E_FAULT: access would cause a page fault VOS_STATUS_SUCCESS: Everything is good :) SIDE EFFECTS ============================================================================*/ VOS_STATUS WLANBAP_InitConnectionAcceptTimer ( ptBtampContext pBtampCtx ) { VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*------------------------------------------------------------------------ Sanity check BAP control block ------------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "Invalid BAP pointer in %s", __func__); return VOS_STATUS_E_FAULT; } /*Initialize the timer */ vosStatus = vos_timer_init( &pBtampCtx->bapConnectionAcceptTimer, VOS_TIMER_TYPE_SW, /* use this type */ WLANBAP_ConnectionAcceptTimerHandler, pBtampCtx); return VOS_STATUS_SUCCESS; }/* WLANBAP_InitConnectionAcceptTimer */ /*========================================================================== FUNCTION WLANBAP_DeinitConnectionAcceptTimer DESCRIPTION Destroy the Connection Accept Timer. DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block RETURN VALUE The result code associated with performing the operation VOS_STATUS_E_FAULT: access would cause a page fault VOS_STATUS_SUCCESS: Everything is good :) SIDE EFFECTS ============================================================================*/ VOS_STATUS WLANBAP_DeinitConnectionAcceptTimer ( ptBtampContext pBtampCtx ) { VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*------------------------------------------------------------------------ Sanity check BAP control block ------------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "Invalid BAP pointer in %s", __func__); return VOS_STATUS_E_FAULT; } /*Initialize and then Start the timer */ vosStatus = vos_timer_destroy ( &pBtampCtx->bapConnectionAcceptTimer ); return VOS_STATUS_SUCCESS; }/* WLANBAP_DeinitConnectionAcceptTimer */ /*========================================================================== FUNCTION WLANBAP_StartConnectionAcceptTimer DESCRIPTION Start the Connection Accept Timer. DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block interval: time interval. RETURN VALUE The result code associated with performing the operation VOS_STATUS_E_FAULT: access would cause a page fault VOS_STATUS_SUCCESS: Everything is good :) SIDE EFFECTS ============================================================================*/ VOS_STATUS WLANBAP_StartConnectionAcceptTimer ( ptBtampContext pBtampCtx, v_U32_t interval ) { /*------------------------------------------------------------------------ Sanity check BAP control block ------------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "Invalid BAP pointer in %s", __func__); return VOS_STATUS_E_FAULT; } /*Start the connection accept timer*/ vos_timer_start( &pBtampCtx->bapConnectionAcceptTimer, interval); return VOS_STATUS_SUCCESS; }/* WLANBAP_StartConnectionAcceptTimer */ /*========================================================================== FUNCTION WLANBAP_StopConnectionAcceptTimer DESCRIPTION Stop the Connection Accept Timer. DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block RETURN VALUE The result code associated with performing the operation VOS_STATUS_E_FAULT: access would cause a page fault VOS_STATUS_SUCCESS: Everything is good :) SIDE EFFECTS ============================================================================*/ VOS_STATUS WLANBAP_StopConnectionAcceptTimer ( ptBtampContext pBtampCtx ) { VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*------------------------------------------------------------------------ Sanity check BAP control block ------------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "Invalid BAP pointer in %s", __func__); return VOS_STATUS_E_FAULT; } /*Stop the timer */ vosStatus = vos_timer_stop( &pBtampCtx->bapConnectionAcceptTimer); return VOS_STATUS_SUCCESS; }/* WLANBAP_StopConnectionAcceptTimer */ /*========================================================================== FUNCTION WLANBAP_ConnectionAcceptTimerHandler DESCRIPTION Callback function registered with vos timer for the Connection Accept timer DEPENDENCIES PARAMETERS IN userData: pointer can be used to retrive the BT-AMP context RETURN VALUE None SIDE EFFECTS ============================================================================*/ v_VOID_t WLANBAP_ConnectionAcceptTimerHandler ( v_PVOID_t userData ) { ptBtampContext pBtampCtx = (ptBtampContext)userData; tWLAN_BAPEvent bapEvent; /* State machine event */ VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; v_U8_t status; /* return the BT-AMP status here */ /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*----------------------------------------------------------------------- Sanity check -----------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "WLAN BAP: Fatal error in %s", __func__ ); VOS_ASSERT(0); return; } /*--------------------------------------------------------------------- Feed this timeout to the BTAMP FSM ---------------------------------------------------------------------*/ /* Fill in the event structure */ bapEvent.event = eWLAN_BAP_TIMER_CONNECT_ACCEPT_TIMEOUT; bapEvent.params = NULL; /* Handle event */ vosStatus = btampFsm(pBtampCtx, &bapEvent, &status); /* Now transition to fully disconnected and notify phy link disconnect*/ bapEvent.event = eWLAN_BAP_MAC_READY_FOR_CONNECTIONS; bapEvent.params = NULL; /* Handle event */ vosStatus = btampFsm(pBtampCtx, &bapEvent, &status); }/*WLANBAP_ConnectionAcceptTimerHandler*/ /*========================================================================== FUNCTION WLANBAP_InitLinkSupervisionTimer DESCRIPTION Initialize the Link Supervision Timer. DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block RETURN VALUE The result code associated with performing the operation VOS_STATUS_E_FAULT: access would cause a page fault VOS_STATUS_SUCCESS: Everything is good :) SIDE EFFECTS ============================================================================*/ VOS_STATUS WLANBAP_InitLinkSupervisionTimer ( ptBtampContext pBtampCtx ) { VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*------------------------------------------------------------------------ Sanity check BAP control block ------------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "Invalid BAP pointer in %s", __func__); return VOS_STATUS_E_FAULT; } /*Initialize the timer */ vosStatus = vos_timer_init( &pBtampCtx->bapLinkSupervisionTimer, VOS_TIMER_TYPE_SW, /* use this type */ WLANBAP_LinkSupervisionTimerHandler, pBtampCtx); return VOS_STATUS_SUCCESS; }/* WLANBAP_InitLinkSupervisionTimer */ /*========================================================================== FUNCTION WLANBAP_DeinitLinkSupervisionTimer DESCRIPTION Destroy the Link Supervision Timer. DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block RETURN VALUE The result code associated with performing the operation VOS_STATUS_E_FAULT: access would cause a page fault VOS_STATUS_SUCCESS: Everything is good :) SIDE EFFECTS ============================================================================*/ VOS_STATUS WLANBAP_DeinitLinkSupervisionTimer ( ptBtampContext pBtampCtx ) { VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*------------------------------------------------------------------------ Sanity check BAP control block ------------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "Invalid BAP pointer in %s", __func__); return VOS_STATUS_E_FAULT; } /*Initialize and then Start the timer */ vosStatus = vos_timer_destroy ( &pBtampCtx->bapLinkSupervisionTimer ); return VOS_STATUS_SUCCESS; }/* WLANBAP_DeinitLinkSupervisionTimer */ /*========================================================================== FUNCTION WLANBAP_StartLinkSupervisionTimer DESCRIPTION Start the LinkSupervisionTimer Timer. DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block interval: time interval. RETURN VALUE The result code associated with performing the operation VOS_STATUS_E_FAULT: access would cause a page fault VOS_STATUS_SUCCESS: Everything is good :) SIDE EFFECTS ============================================================================*/ VOS_STATUS WLANBAP_StartLinkSupervisionTimer ( ptBtampContext pBtampCtx, v_U32_t interval ) { /*------------------------------------------------------------------------ Sanity check BAP control block ------------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "Invalid BAP pointer in %s", __func__); return VOS_STATUS_E_FAULT; } vos_timer_start( &pBtampCtx->bapLinkSupervisionTimer, interval); return VOS_STATUS_SUCCESS; }/* WLANBAP_StartLinkSupervisionTimer */ /*========================================================================== FUNCTION WLANBAP_StopLinkSupervisionTimer DESCRIPTION Stop the LinkSupervision Timer. DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block RETURN VALUE The result code associated with performing the operation VOS_STATUS_E_FAULT: access would cause a page fault VOS_STATUS_SUCCESS: Everything is good :) SIDE EFFECTS ============================================================================*/ VOS_STATUS WLANBAP_StopLinkSupervisionTimer ( ptBtampContext pBtampCtx ) { VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*------------------------------------------------------------------------ Sanity check BAP control block ------------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "Invalid BAP pointer in %s", __func__); return VOS_STATUS_E_FAULT; } /*Stop the timer */ vosStatus = vos_timer_stop( &pBtampCtx->bapLinkSupervisionTimer); return VOS_STATUS_SUCCESS; }/* WLANBAP_StopLinkSupervisionTimer */ /*========================================================================== FUNCTION WLANBAP_LinkSupervisionTimerHandler DESCRIPTION Callback function registered with vos timer for the LinkSupervision timer DEPENDENCIES PARAMETERS IN userData: pointer can be used to retrive the BT-AMP context RETURN VALUE None SIDE EFFECTS ============================================================================*/ v_VOID_t WLANBAP_LinkSupervisionTimerHandler ( v_PVOID_t userData ) { ptBtampContext pBtampCtx = (ptBtampContext)userData; VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; ptBtampHandle btampHandle = (ptBtampHandle)userData; tWLAN_BAPEvent bapEvent; /* State machine event */ v_U8_t phy_link_handle; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*----------------------------------------------------------------------- Sanity check -----------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "WLAN BAP: Fatal error in %s", __func__ ); VOS_ASSERT(0); return; } phy_link_handle = pBtampCtx->phy_link_handle; VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "WLAN BAP:In LinkSupervision Timer handler %s", __func__ ); if(pBtampCtx->dataPktPending == VOS_TRUE) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "%s: Data seen. Do nothing", __func__ ); pBtampCtx->dataPktPending = VOS_FALSE; pBtampCtx->lsReqPktPending = VOS_FALSE; pBtampCtx->retries = 0; vosStatus = WLANBAP_StopLinkSupervisionTimer(pBtampCtx); vosStatus = WLANBAP_StartLinkSupervisionTimer (pBtampCtx, pBtampCtx->bapLinkSupervisionTimerInterval * WLANBAP_BREDR_BASEBAND_SLOT_TIME); //Data is seen. or our previous packet is not yet fetched by TL.Don't do any thing.Just return; return; } else if((pBtampCtx->lsReqPktPending == VOS_TRUE ) && (pBtampCtx->retries == WLANBAP_LINK_SUPERVISION_RETRIES)) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "#########WLAN BAP: LinkSupervision Timed OUT######## %s", __func__ ); /*--------------------------------------------------------------------- Feed this timeout to the BTAMP FSM ---------------------------------------------------------------------*/ /* Fill in the event structure */ /* JEZ110307: Which should this be? */ //bapEvent.event =eWLAN_BAP_HCI_PHYSICAL_LINK_DISCONNECT; bapEvent.event =eWLAN_BAP_MAC_INDICATES_MEDIA_DISCONNECTION; bapEvent.params = NULL; /* Handle event */ vosStatus = btampFsm(pBtampCtx, &bapEvent, (v_U8_t *)&vosStatus); } else { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "%s: Resend the LS packet", __func__ ); /* If we have transmit pkt pending and the time out occurred,resend the ls packet */ WLANBAP_StopLinkSupervisionTimer(pBtampCtx); pBtampCtx->pPacket = pBtampCtx->lsReqPacket; vosStatus = WLANBAP_TxLinkSupervision( btampHandle, phy_link_handle, pBtampCtx->pPacket , WLANTL_BT_AMP_TYPE_LS_REQ); } }/*WLANBAP_LinkSupervisionTimerHandler*/ /*========================================================================== FUNCTION WLANBAP_StartTxPacketMonitorTimer DESCRIPTION Start the Tx Packet Monitor Timer. DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block interval: time interval. RETURN VALUE The result code associated with performing the operation VOS_STATUS_E_FAULT: access would cause a page fault VOS_STATUS_SUCCESS: Everything is good :) SIDE EFFECTS ============================================================================*/ VOS_STATUS WLANBAP_StartTxPacketMonitorTimer ( ptBtampContext pBtampCtx ) { VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; v_U32_t uInterval = WLAN_BAP_TX_PKT_MONITOR_TIME; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*------------------------------------------------------------------------ Sanity check BAP control block ------------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "Invalid BAP pointer in %s", __func__); return VOS_STATUS_E_FAULT; } /*Start the timer */ vosStatus = vos_timer_start( &pBtampCtx->bapTxPktMonitorTimer, uInterval); return vosStatus; }/* WLANBAP_StartTxPacketMonitorTimer */ /*========================================================================== FUNCTION WLANBAP_StopTxPacketMonitorTimer DESCRIPTION Stop the Tx Packet Monitor Timer. DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block RETURN VALUE The result code associated with performing the operation VOS_STATUS_E_FAULT: access would cause a page fault VOS_STATUS_SUCCESS: Everything is good :) SIDE EFFECTS ============================================================================*/ VOS_STATUS WLANBAP_StopTxPacketMonitorTimer ( ptBtampContext pBtampCtx ) { VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*------------------------------------------------------------------------ Sanity check BAP control block ------------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "Invalid BAP pointer in %s", __func__); return VOS_STATUS_E_FAULT; } /*Stop the timer */ vosStatus = vos_timer_stop( &pBtampCtx->bapTxPktMonitorTimer); return vosStatus; }/* WLANBAP_StopTxPacketMonitorTimer */ /*========================================================================== FUNCTION WLANBAP_SendCompletedPktsEvent DESCRIPTION Utility function for sending the NUM_OF_COMPLETED_PKTS_EVENT to HCI DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block RETURN VALUE None SIDE EFFECTS ============================================================================*/ v_VOID_t WLANBAP_SendCompletedPktsEvent ( ptBtampContext pBtampCtx ) { v_U8_t i, j; tBtampHCI_Event bapHCIEvent; /* This now encodes ALL event types */ v_U32_t uTxCompleted = 0; tpBtampLogLinkCtx pLogLinkContext = NULL; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /* Format the Number of completed packets event */ bapHCIEvent.bapHCIEventCode = BTAMP_TLV_HCI_NUM_OF_COMPLETED_PKTS_EVENT; bapHCIEvent.u.btampNumOfCompletedPktsEvent.num_handles = 0; /*--------------------------------------------------------------------- Check if LL still exists, if TRUE generate num_pkt_event and restart the timer ---------------------------------------------------------------------*/ for (i = 0, j = 0; i < WLANBAP_MAX_LOG_LINKS ; i++) { pLogLinkContext = &pBtampCtx->btampLogLinkCtx[i]; if ( pLogLinkContext->present ) { uTxCompleted = pLogLinkContext->uTxPktCompleted; bapHCIEvent.u.btampNumOfCompletedPktsEvent.conn_handles[j] = pLogLinkContext->log_link_handle; bapHCIEvent.u.btampNumOfCompletedPktsEvent.num_completed_pkts[j] = uTxCompleted; j++; vos_atomic_decrement_U32_by_value((v_U32_t *) &pLogLinkContext->uTxPktCompleted, (v_U32_t) uTxCompleted); if (uTxCompleted) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "wlan bap: %s Log Link handle - %d No Of Pkts - %d", __func__, pLogLinkContext->log_link_handle, uTxCompleted); } } } /* Indicate only if at least one logical link is present and number of completed packets is non zero */ if (j && uTxCompleted) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "WLAN BAP: Indicating Num Completed packets Event"); /*issue num_pkt_event for uTxCompleted*/ bapHCIEvent.u.btampNumOfCompletedPktsEvent.num_handles = j; (*pBtampCtx->pBapHCIEventCB) ( pBtampCtx->pHddHdl, /* this refers the BSL per application context */ &bapHCIEvent, /* This now encodes ALL event types */ VOS_TRUE /* Flag to indicate assoc-specific event */ ); } } /*========================================================================== FUNCTION WLANBAP_SendCompletedDataBlksEvent DESCRIPTION Utility function for sending the NUM_OF_COMPLETED_DATA_BLOCKS_EVENT to HCI DEPENDENCIES PARAMETERS IN pBtampCtx: pointer to the BAP control block RETURN VALUE None SIDE EFFECTS ============================================================================*/ v_VOID_t WLANBAP_SendCompletedDataBlksEvent ( ptBtampContext pBtampCtx ) { v_U8_t i, j; tBtampHCI_Event bapHCIEvent; /* This now encodes ALL event types */ v_U32_t uTxCompleted = 0; tpBtampLogLinkCtx pLogLinkContext = NULL; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /* Format the Number of completed data blocks event */ bapHCIEvent.bapHCIEventCode = BTAMP_TLV_HCI_NUM_OF_COMPLETED_DATA_BLOCKS_EVENT; bapHCIEvent.u.btampNumOfCompletedDataBlocksEvent.num_handles = 0; /*--------------------------------------------------------------------- Check if LL still exists, if TRUE generate num_data_blocks_event and restart the timer ---------------------------------------------------------------------*/ for (i = 0, j = 0; i < WLANBAP_MAX_LOG_LINKS ; i++) { pLogLinkContext = &pBtampCtx->btampLogLinkCtx[i]; if ( pLogLinkContext->present ) { uTxCompleted = pLogLinkContext->uTxPktCompleted; bapHCIEvent.u.btampNumOfCompletedDataBlocksEvent.conn_handles[j] = pLogLinkContext->log_link_handle; bapHCIEvent.u.btampNumOfCompletedDataBlocksEvent.num_completed_pkts[j] = uTxCompleted; bapHCIEvent.u.btampNumOfCompletedDataBlocksEvent.num_completed_blocks[j] = uTxCompleted; bapHCIEvent.u.btampNumOfCompletedDataBlocksEvent.total_num_data_blocks = 16; j++; vos_atomic_decrement_U32_by_value((v_U32_t *) &pLogLinkContext->uTxPktCompleted, (v_U32_t) uTxCompleted); if (uTxCompleted) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "wlan bap: %s Log Link handle - %d No Of Pkts - %d", __func__, pLogLinkContext->log_link_handle, uTxCompleted); } } } /* Indicate only if at least one logical link is present and number of completed data blocks is non zero */ if (j && uTxCompleted) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "WLAN BAP: Indicating Num Completed Data Blocks Event"); /*issue num_data_blocks_event for uTxCompleted*/ bapHCIEvent.u.btampNumOfCompletedDataBlocksEvent.num_handles = j; (*pBtampCtx->pBapHCIEventCB) ( pBtampCtx->pHddHdl, /* this refers the BSL per application context */ &bapHCIEvent, /* This now encodes ALL event types */ VOS_TRUE /* Flag to indicate assoc-specific event */ ); } } /*========================================================================== FUNCTION WLANBAP_TxPacketMonitorHandler DESCRIPTION Callback function registered with vos timer for the Tx Packet Monitor Timer. DEPENDENCIES PARAMETERS IN userData: pointer can be used to retrive the BT-AMP context RETURN VALUE None SIDE EFFECTS ============================================================================*/ v_VOID_t WLANBAP_TxPacketMonitorHandler ( v_PVOID_t userData ) { ptBtampContext pBtampCtx = (ptBtampContext)userData; BTAMPFSM_INSTANCEDATA_T *instanceVar = &pBtampCtx->bapPhysLinkMachine; /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ /*----------------------------------------------------------------------- Sanity check -----------------------------------------------------------------------*/ if ( NULL == pBtampCtx ) { VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_ERROR, "WLAN BAP: Fatal error in %s", __func__ ); VOS_ASSERT(0); return; } #if 0 //BAP_DEBUG /* Trace the tBtampCtx being passed in. */ VOS_TRACE( VOS_MODULE_ID_BAP, VOS_TRACE_LEVEL_INFO_HIGH, "WLAN BAP Context Monitor: pBtampCtx value = %x in %s:%d", pBtampCtx, __func__, __LINE__ ); #endif //BAP_DEBUG if(WLANBAP_FLOW_CONTROL_MODE_BLOCK_BASED == pBtampCtx->ucDataTrafficMode) { WLANBAP_SendCompletedDataBlksEvent(pBtampCtx); } else { WLANBAP_SendCompletedPktsEvent(pBtampCtx); } /* Restart the Packet monitoring timer if still Physical link * is present. * It is possible that when the physical link is tear down, * timer start request is in Q and could start again. */ if (CONNECTED == instanceVar->stateVar) { WLANBAP_StartTxPacketMonitorTimer(pBtampCtx); } }/*WLANBAP_TxPacketMonitorHandler*/