Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9113aeea authored by Arun Kumar Khandavalli's avatar Arun Kumar Khandavalli Committed by Gerrit - the friendly Code Review server
Browse files

wlan: Add support to create/destroy sme session from iff_up/down 

Add support to create and destroy sme sessions from interface up
and down.

Change-Id: Ie00dd5e05d3b88a20d2e86099453f0770f5c5615
CRs-Fixed: 2632602
parent 18303eb1

CORE/HDD/src/wlan_hdd_early_suspend.c

+0 −17
Original line number Diff line number Diff line
@@ -443,7 +443,6 @@ VOS_STATUS hdd_enter_deep_sleep(hdd_context_t *pHddCtx, hdd_adapter_t *pAdapter) 
VOS_STATUS hdd_exit_deep_sleep(hdd_context_t *pHddCtx, hdd_adapter_t *pAdapter)

{

   VOS_STATUS vosStatus;

   eHalStatus halStatus;



   VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,

      "%s: calling hdd_set_sme_config",__func__);
@@ -480,24 +479,8 @@ VOS_STATUS hdd_exit_deep_sleep(hdd_context_t *pHddCtx, hdd_adapter_t *pAdapter) 
      goto err_voss_stop;

   }





   //Open a SME session for future operation

   halStatus = sme_OpenSession( pHddCtx->hHal, hdd_smeRoamCallback, pHddCtx,

                                (tANI_U8 *)&pAdapter->macAddressCurrent,

                                &pAdapter->sessionId);

   if ( !HAL_STATUS_SUCCESS( halStatus ) )

   {

      hddLog(VOS_TRACE_LEVEL_FATAL,"sme_OpenSession() failed with status code %08d [x%08x]",

                    halStatus, halStatus );

      goto err_voss_stop;



   }



   pHddCtx->hdd_ps_state = eHDD_SUSPEND_NONE;



   //Trigger the initial scan

   hdd_wlan_initial_scan(pAdapter);



   return VOS_STATUS_SUCCESS;



err_voss_stop:

CORE/HDD/src/wlan_hdd_hostapd.c

+60 −7
Original line number Diff line number Diff line
@@ -174,19 +174,64 @@ safeChannelType safeChannels[NUM_20MHZ_RF_CHANNELS] = 
int __hdd_hostapd_open (struct net_device *dev)

{

   hdd_adapter_t *pAdapter =  WLAN_HDD_GET_PRIV_PTR(dev);

   hdd_context_t *pHddCtx;

   VOS_STATUS status;

   v_BOOL_t in_standby = TRUE;

   hdd_adapter_list_node_t *pAdapterNode = NULL, *pNext = NULL;



   ENTER();



   if(!test_bit(SOFTAP_BSS_STARTED, &pAdapter->event_flags))

   {

       //WMM_INIT OR BSS_START not completed

       hddLog( LOGW, "Ignore hostadp open request");

       EXIT();

   if (test_bit(DEVICE_IFACE_OPENED, &pAdapter->event_flags)) {

          hddLog(VOS_TRACE_LEVEL_DEBUG, "%s: session already opened for the adapter",

                 __func__);

          return 0;

   }



   MTRACE(vos_trace(VOS_MODULE_ID_HDD,

                    TRACE_CODE_HDD_HOSTAPD_OPEN_REQUEST, NO_SESSION, 0));

   pHddCtx = (hdd_context_t*)pAdapter->pHddCtx;

   MTRACE(vos_trace(VOS_MODULE_ID_HDD, TRACE_CODE_HDD_OPEN_REQUEST,

                    pAdapter->sessionId, pAdapter->device_mode));

   if (NULL == pHddCtx)

   {

      VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,

         "%s: HDD context is Null", __func__);

      return -ENODEV;

   }

   status = hdd_get_front_adapter ( pHddCtx, &pAdapterNode );

   while ( (NULL != pAdapterNode) && (VOS_STATUS_SUCCESS == status) )

   {

      if (test_bit(DEVICE_IFACE_OPENED, &pAdapterNode->pAdapter->event_flags))

      {

         hddLog(VOS_TRACE_LEVEL_INFO, "%s: chip already out of standby",

                __func__);

         in_standby = FALSE;

         break;

      }

      else

      {

         status = hdd_get_next_adapter ( pHddCtx, pAdapterNode, &pNext );

         pAdapterNode = pNext;

      }

   }



   if (TRUE == in_standby)

   {

       if (VOS_STATUS_SUCCESS != wlan_hdd_exit_lowpower(pHddCtx, pAdapter))

       {

           hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Failed to bring "

                   "wlan out of power save", __func__);

           return -EINVAL;

       }

   }



   status = hdd_init_ap_mode( pAdapter, false);

   if( VOS_STATUS_SUCCESS != status ) {

          hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Failed to create session for station mode",

                 __func__);

          return -EINVAL;

   }



   set_bit(DEVICE_IFACE_OPENED, &pAdapter->event_flags);



   //Turn ON carrier state

   netif_carrier_on(dev);

   //Enable all Tx queues
@@ -239,6 +284,14 @@ int __hdd_hostapd_stop (struct net_device *dev) 
   //Turn OFF carrier state

   netif_carrier_off(dev);



  if (test_bit(SME_SESSION_OPENED, &adapter->event_flags)) {

     hdd_stop_adapter(hdd_ctx, adapter, VOS_TRUE);

     hdd_deinit_adapter(hdd_ctx, adapter, TRUE);

  }



 clear_bit(DEVICE_IFACE_OPENED, &adapter->event_flags);

 adapter->dev->wireless_handlers = NULL;



   if (!hdd_is_cli_iface_up(hdd_ctx))

       sme_ScanFlushResult(hdd_ctx->hHal, 0);

CORE/HDD/src/wlan_hdd_main.c

+19 −12
Original line number Diff line number Diff line
@@ -8065,6 +8065,12 @@ int __hdd_open(struct net_device *dev) 
      return -ENODEV;

   }













   if (test_bit(DEVICE_IFACE_OPENED, &pAdapter->event_flags)) {













          hddLog(VOS_TRACE_LEVEL_DEBUG, "%s: session already opened for the adapter",













                 __func__);













          return 0;













   }



























   status = hdd_get_front_adapter ( pHddCtx, &pAdapterNode );















   while ( (NULL != pAdapterNode) && (VOS_STATUS_SUCCESS == status) )















   {










@@ -8092,6 +8098,13 @@ int __hdd_open(struct net_device *dev)













       }















   }



























   status = hdd_init_station_mode( pAdapter );













   if( VOS_STATUS_SUCCESS != status ) {













          hddLog(VOS_TRACE_LEVEL_ERROR, "%s: Failed to create session for station mode",













                 __func__);













          return -EINVAL;













   }



























   set_bit(DEVICE_IFACE_OPENED, &pAdapter->event_flags);















   if (hdd_connIsConnected(WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))) 















   {










@@ -8264,8 +8277,6 @@ int __hdd_stop (struct net_device *dev)













       wlan_hdd_stop_mon(pHddCtx, true);















   }



























   /* Make sure the interface is marked as closed */













   clear_bit(DEVICE_IFACE_OPENED, &pAdapter->event_flags);















   hddLog(VOS_TRACE_LEVEL_INFO, "%s: Disabling OS Tx queues", __func__);





























   /* Disable TX on the interface, after this hard_start_xmit() will not









@@ -8286,7 +8297,8 @@ int __hdd_stop (struct net_device *dev)













    * Notice that the hdd_stop_adapter is requested not to close the session















    * That is intentional to be able to scan if it is a STA/P2P interface















    */













   hdd_stop_adapter(pHddCtx, pAdapter, VOS_FALSE);













   hdd_stop_adapter(pHddCtx, pAdapter, VOS_TRUE);













   clear_bit(DEVICE_IFACE_OPENED, &pAdapter->event_flags);















#ifdef FEATURE_WLAN_TDLS















   mutex_lock(&pHddCtx->tdls_lock);















#endif










@@ -8339,6 +8351,8 @@ int __hdd_stop (struct net_device *dev)













       }















   }



























   pAdapter->dev->wireless_handlers = NULL;



























   /*















    * Upon wifi turn off, DUT has to flush the scan results so if















    * this is the last cli iface, flush the scan database.










@@ -9836,9 +9850,6 @@ hdd_adapter_t* hdd_open_adapter( hdd_context_t *pHddCtx, tANI_U8 session_type,













#endif





























         hdd_initialize_adapter_common(pAdapter);













         status = hdd_init_station_mode( pAdapter );













         if( VOS_STATUS_SUCCESS != status )













            goto err_free_netdev;





























         status = hdd_register_interface( pAdapter, rtnl_held );















         if( VOS_STATUS_SUCCESS != status )










@@ -9895,16 +9906,12 @@ hdd_adapter_t* hdd_open_adapter( hdd_context_t *pHddCtx, tANI_U8 session_type,













         pAdapter->device_mode = session_type;





























         hdd_initialize_adapter_common(pAdapter);













         status = hdd_init_ap_mode(pAdapter, false);













         if( VOS_STATUS_SUCCESS != status )













            goto err_free_netdev;





























         status = hdd_sta_id_hash_attach(pAdapter);















         if (VOS_STATUS_SUCCESS != status)















         {















             hddLog(VOS_TRACE_LEVEL_FATAL,















                    FL("failed to attach hash for session %d"), session_type);













             hdd_deinit_adapter(pHddCtx, pAdapter, rtnl_held);















             goto err_free_netdev;















         }