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Commit 72cdfd32 authored by Leo Chang's avatar Leo Chang Committed by Kiet Lam
Browse files

wlan: reload WLAN driver if cannot recover from RX low resource 

If WLAN host driver could not recover Out of RX buffer problem,
Trigger re-load host driver to recover from dead end

Change-Id: I144ff97a8a4c8e458990aa61956f4cc8b6af7356
CRs-fixed: 500022
parent be97df0a

CORE/DXE/src/wlan_qct_dxe.c

+59 −2
Original line number Diff line number Diff line
@@ -1857,6 +1857,35 @@ static wpt_status dxeChannelCleanInt 
   return status;

}



/*==========================================================================

  @  Function Name

			      dxeRXResourceAvailableTimerExpHandler



  @  Description

      During pre-set timeperiod, if free available RX buffer is not allocated

      Trigger Driver re-loading to recover RX dead end



  @  Parameters

   v_VOID_t     *usrData

                DXE context



  @  Return

      NONE



===========================================================================*/

void dxeRXResourceAvailableTimerExpHandler

(

   void    *usrData

)

{

   HDXE_MSG(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_FATAL,

            "RX Low resource, Durign wait time period %d, RX resource not allocated",

            T_WLANDXE_MAX_RX_PACKET_WAIT);

   wpalWlanReload();



   return;

}



/*==========================================================================

  @  Function Name 

      dxeRXPacketAvailableCB
@@ -1997,6 +2026,16 @@ static wpt_status dxeRXFrameSingleBufferAlloc 
      if(NULL == currentPalPacketBuffer)

      {

         dxeCtxt->rxPalPacketUnavailable = eWLAN_PAL_TRUE;

         /* Out of RX free buffer,

          * Start timer to recover from RX dead end */

         if(VOS_TIMER_STATE_RUNNING !=

            wpalTimerGetCurStatus(&dxeCtxt->rxResourceAvailableTimer))

         {

            HDXE_MSG(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_WARN,

                     "RX Low resource, wait available resource");

            wpalTimerStart(&dxeCtxt->rxResourceAvailableTimer,

                           T_WLANDXE_MAX_RX_PACKET_WAIT);

         }

      }

   }
@@ -2870,6 +2909,13 @@ void dxeRXPacketAvailableEventHandler 
   }



   dxeCtxt    = (WLANDXE_CtrlBlkType *)(rxPktAvailMsg->pContext);

   /* Available resource allocated

    * Stop timer not needed */

   if(VOS_TIMER_STATE_RUNNING ==

      wpalTimerGetCurStatus(&dxeCtxt->rxResourceAvailableTimer))

   {

      wpalTimerStop(&dxeCtxt->rxResourceAvailableTimer);

   }



   do

   {
@@ -4358,6 +4404,10 @@ void *WLANDXE_Open 
      return NULL;

   }



   wpalTimerInit(&tempDxeCtrlBlk->rxResourceAvailableTimer,

                 dxeRXResourceAvailableTimerExpHandler,

                 tempDxeCtrlBlk);



   HDXE_MSG(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_WARN,

            "WLANDXE_Open Success");

   HDXE_MSG(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_INFO_LOW,
@@ -4868,6 +4918,12 @@ wpt_status WLANDXE_Stop 
   wpalUnRegisterInterrupt(DXE_INTERRUPT_TX_COMPLE);

   wpalUnRegisterInterrupt(DXE_INTERRUPT_RX_READY);



   if(VOS_TIMER_STATE_STOPPED !=

      wpalTimerGetCurStatus(&dxeCtxt->rxResourceAvailableTimer))

   {

      wpalTimerStop(&dxeCtxt->rxResourceAvailableTimer);

   }



   HDXE_MSG(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_INFO_LOW,

            "%s Exit", __func__);

   return status;
@@ -4917,6 +4973,7 @@ wpt_status WLANDXE_Close 
   }



   dxeCtxt = (WLANDXE_CtrlBlkType *)pDXEContext;

   wpalTimerDelete(&dxeCtxt->rxResourceAvailableTimer);

   for(idx = 0; idx < WDTS_CHANNEL_MAX; idx++)

   {

      wpalMutexDelete(&dxeCtxt->dxeChannel[idx].dxeChannelLock);

CORE/DXE/src/wlan_qct_dxe_i.h

+1 −0
Original line number Diff line number Diff line
@@ -644,6 +644,7 @@ typedef struct 
   wpt_boolean                     rxPalPacketUnavailable;

   wpt_boolean                     driverReloadInProcessing;

   wpt_boolean                     smsmToggled;

   wpt_timer                       rxResourceAvailableTimer;

} WLANDXE_CtrlBlkType;



/*==========================================================================