Exemple #1
0
/*==========================================================================
   FUNCTION    WDA_DS_BuildTxPacketInfo

  DESCRIPTION
    Build TX meta info for integrated SOC.
    
    Same function calls HAL for reserve BD header space into VOS packet and
    HAL function to fill it.
    
  DEPENDENCIES

  PARAMETERS

   IN
    pvosGCtx         VOS context
    vosDataBuff      vos data buffer
    pvDestMacAddr   destination MAC address ponter
    ucDisableFrmXtl  Is frame xtl disabled?
    ucQosEnabled     Is QoS enabled?
    ucWDSEnabled     Is WDS enabled?
    extraHeadSpace   Extra head bytes. If it's not 0 due to 4 bytes align
                     of BD header.
    typeSubtype      typeSubtype from MAC header or TX metainfo/BD
    pAddr2           address 2
    uTid             tid
    txFlag
    timeStamp
    ucIsEapol
    ucUP

   OUT
    *pusPktLen       Packet length

  RETURN VALUE
    VOS_STATUS_E_FAULT:  pointer is NULL and other errors 
    VOS_STATUS_SUCCESS:  Everything is good :)

  SIDE EFFECTS

============================================================================*/
VOS_STATUS
WDA_DS_BuildTxPacketInfo
(
  v_PVOID_t       pvosGCtx,
  vos_pkt_t*      vosDataBuff,
  v_MACADDR_t*    pvDestMacAddr,
  v_U8_t          ucDisableFrmXtl,
  v_U16_t*        pusPktLen,
  v_U8_t          ucQosEnabled,
  v_U8_t          ucWDSEnabled,
  v_U8_t          extraHeadSpace,
  v_U8_t          typeSubtype,
  v_PVOID_t       pAddr2,
  v_U8_t          uTid,
  v_U8_t          txFlag,
  v_U32_t         timeStamp,
  v_U8_t          ucIsEapol,
  v_U8_t          ucUP
)
{
#if defined( FEATURE_WLAN_INTEGRATED_SOC )
  VOS_STATUS             vosStatus;
  WDI_DS_TxMetaInfoType* pTxMetaInfo = NULL;
  v_SIZE_t               usMacAddrSize;
  /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/

  /*------------------------------------------------------------------------
    Sanity check
    Extract TL control block
   ------------------------------------------------------------------------*/
  if ( ( NULL == pvosGCtx ) || ( NULL == vosDataBuff ) || ( NULL == pvDestMacAddr ) )
  {
    VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
               "WDA:Invalid parameter sent on WDA_DS_BuildTxPacketInfo" );
    return VOS_STATUS_E_FAULT;
  }

  /*------------------------------------------------------------------------
    Extract TX Meta Info pointer from PAL packet
   ------------------------------------------------------------------------*/
  pTxMetaInfo = WDI_DS_ExtractTxMetaData( VOS_TO_WPAL_PKT(vosDataBuff)  );
  if ( NULL == pTxMetaInfo )
  {
    VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
        "WLAN TL:Invalid RxMetaInfo pointer from PAL packet on WLANTL_RxFrames");
    VOS_ASSERT( 0 );
    return VOS_STATUS_E_FAULT;
  }

  /* Zero out memeory */
  vos_mem_zero( pTxMetaInfo, sizeof( WDI_DS_TxMetaInfoType ) );

  /* Fill the TX Meta info */
  pTxMetaInfo->txFlags    = txFlag;
  pTxMetaInfo->qosEnabled = ucQosEnabled;
  pTxMetaInfo->fenableWDS = ucWDSEnabled;
  pTxMetaInfo->ac         = ucUP;
  pTxMetaInfo->fUP        = uTid;
  pTxMetaInfo->isEapol    = ucIsEapol;
  pTxMetaInfo->fdisableFrmXlt = ucDisableFrmXtl;
  pTxMetaInfo->frmType     = ( ( typeSubtype & 0x30 ) >> 4 );
  pTxMetaInfo->typeSubtype = typeSubtype;

  /* Length = MAC header + payload */
  vos_pkt_get_packet_length( vosDataBuff, pusPktLen);
  pTxMetaInfo->fPktlen = *pusPktLen;

  // Dst address
  usMacAddrSize = VOS_MAC_ADDR_SIZE;
  vosStatus = vos_pkt_extract_data( vosDataBuff,
                    WLANTL_MAC_ADDR_ALIGN( ucDisableFrmXtl ),
                    (v_PVOID_t)pvDestMacAddr,
                    &usMacAddrSize );
  if ( VOS_STATUS_SUCCESS != vosStatus )
  {
    VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
               "WDA:Failed while attempting to extract MAC Addr %d",
                vosStatus );
    VOS_ASSERT( 0 );
    return VOS_STATUS_E_FAULT;
  }

  VOS_ASSERT(usMacAddrSize == VOS_MAC_ADDR_SIZE);

  vos_copy_macaddr( (v_MACADDR_t*)pTxMetaInfo->fSTAMACAddress, pvDestMacAddr );

  // ADDR2
  vos_copy_macaddr( (v_MACADDR_t*)pTxMetaInfo->addr2MACAddress, pAddr2 );

  /* Dump TX meta infro for debugging */
  VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_LOW,
             "WLAN TL: Dump TX meta info: "
             "txFlags:%d, qosEnabled:%d, ac:%d, "
             "isEapol:%d, fdisableFrmXlt:%d" "frmType%d",
             pTxMetaInfo->txFlags, ucQosEnabled, pTxMetaInfo->ac,
             pTxMetaInfo->isEapol, pTxMetaInfo->fdisableFrmXlt, pTxMetaInfo->frmType );

  return VOS_STATUS_SUCCESS;
#else  /* FEATURE_WLAN_INTEGRATED_SOC */
  VOS_STATUS   vosStatus;
  v_PVOID_t    pvBDHeader;

  WDA_DS_PrepareBDHeader( vosDataBuff, &pvBDHeader, pvDestMacAddr, ucDisableFrmXtl,
                  &vosStatus, pusPktLen, ucQosEnabled, ucWDSEnabled, extraHeadSpace );

  if ( VOS_STATUS_SUCCESS != vosStatus )
  {
    VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
               "WLAN TL:Failed while attempting to prepare BD %d", vosStatus );
    return vosStatus;
  }

  vosStatus = WLANHAL_FillTxBd( pvosGCtx, typeSubtype, pvDestMacAddr, pAddr2,
                    &uTid, ucDisableFrmXtl, pvBDHeader, txFlag, timeStamp );

  if ( VOS_STATUS_SUCCESS != vosStatus )
  {
    VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
               "WLAN TL:Failed while attempting to fill BD %d", vosStatus );
    return vosStatus;
  }

  return VOS_STATUS_SUCCESS;

#endif /* FEATURE_WLAN_INTEGRATED_SOC */
}
/*==========================================================================
   FUNCTION    WDA_DS_BuildTxPacketInfo

  DESCRIPTION
    Build TX meta info for integrated SOC.
    
    Same function calls HAL for reserve BD header space into VOS packet and
    HAL function to fill it.
    
  DEPENDENCIES

  PARAMETERS

   IN
    pvosGCtx         VOS context
    vosDataBuff      vos data buffer
    pvDestMacAddr   destination MAC address ponter
    ucDisableFrmXtl  Is frame xtl disabled?
    ucQosEnabled     Is QoS enabled?
    ucWDSEnabled     Is WDS enabled?
    extraHeadSpace   Extra head bytes. If it's not 0 due to 4 bytes align
                     of BD header.
    typeSubtype      typeSubtype from MAC header or TX metainfo/BD
    pAddr2           address 2
    uTid             tid
    txFlag
    timeStamp
    ucIsEapol
    ucUP

   OUT
    *pusPktLen       Packet length

  RETURN VALUE
    VOS_STATUS_E_FAULT:  pointer is NULL and other errors 
    VOS_STATUS_SUCCESS:  Everything is good :)

  SIDE EFFECTS

============================================================================*/
VOS_STATUS
WDA_DS_BuildTxPacketInfo
(
  v_PVOID_t       pvosGCtx,
  vos_pkt_t*      vosDataBuff,
  v_MACADDR_t*    pvDestMacAddr,
  v_U8_t          ucDisableFrmXtl,
  v_U16_t*        pusPktLen,
  v_U8_t          ucQosEnabled,
  v_U8_t          ucWDSEnabled,
  v_U8_t          extraHeadSpace,
  v_U8_t          typeSubtype,
  v_PVOID_t       pAddr2,
  v_U8_t          uTid,
  v_U32_t          txFlag,
  v_U32_t         timeStamp,
  v_U8_t          ucIsEapol,
  v_U8_t          ucUP
)
{
  VOS_STATUS             vosStatus;
  WDI_DS_TxMetaInfoType* pTxMetaInfo = NULL;
  v_SIZE_t               usMacAddrSize;
  wpt_FrameCtrl          *pFrameControl;
  /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/

  /*------------------------------------------------------------------------
    Sanity check
    Extract TL control block
   ------------------------------------------------------------------------*/
  if ( ( NULL == pvosGCtx ) || ( NULL == vosDataBuff ) || ( NULL == pvDestMacAddr ) )
  {
    VOS_TRACE( VOS_MODULE_ID_WDA, VOS_TRACE_LEVEL_ERROR,
               "WDA:Invalid parameter sent on WDA_DS_BuildTxPacketInfo" );
    return VOS_STATUS_E_FAULT;
  }

  /*------------------------------------------------------------------------
    Extract TX Meta Info pointer from PAL packet
   ------------------------------------------------------------------------*/
  pTxMetaInfo = WDI_DS_ExtractTxMetaData( VOS_TO_WPAL_PKT(vosDataBuff)  );
  if ( NULL == pTxMetaInfo )
  {
    VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
        "WLAN TL:Invalid RxMetaInfo pointer from PAL packet on WLANTL_RxFrames");
    VOS_ASSERT( 0 );
    return VOS_STATUS_E_FAULT;
  }

  /* Zero out memeory */
  vos_mem_zero( pTxMetaInfo, sizeof( WDI_DS_TxMetaInfoType ) );

  /* Fill the TX Meta info */
  pTxMetaInfo->txFlags    = txFlag;
  pTxMetaInfo->qosEnabled = ucQosEnabled;
  pTxMetaInfo->fenableWDS = ucWDSEnabled;
  pTxMetaInfo->ac         = ucUP;
  pTxMetaInfo->fUP        = uTid;
  pTxMetaInfo->isEapol    = ucIsEapol;
  pTxMetaInfo->fdisableFrmXlt = ucDisableFrmXtl;
  pTxMetaInfo->frmType     = ( ( typeSubtype & 0x30 ) >> 4 );
  pTxMetaInfo->typeSubtype = typeSubtype;

  /* Length = MAC header + payload */
  vos_pkt_get_packet_length( vosDataBuff, pusPktLen);
  pTxMetaInfo->fPktlen = *pusPktLen;

  /* For management frames, peek into Frame Control
     field to get value of Protected Frame bit */
  pTxMetaInfo->fProtMgmtFrame = 0;
  if ( WDA_TLI_MGMT_FRAME_TYPE == pTxMetaInfo->frmType )
  {
    if ( 1 == ucDisableFrmXtl )  /* should be 802.11, but check */
    {
      vosStatus = vos_pkt_peek_data( vosDataBuff, 0, (v_PVOID_t)&pFrameControl,
                                     sizeof( wpt_FrameCtrl ));
      if ( VOS_STATUS_SUCCESS != vosStatus )
      {
        VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
                   "WDA: Failed while attempting to extract Protect Bit in "
                   "Frame Control, status %d", vosStatus );
        VOS_ASSERT( 0 );
        return VOS_STATUS_E_FAULT;
      }
      pTxMetaInfo->fProtMgmtFrame = pFrameControl->wep;
      VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_LOW,
                 "WLAN TL: fProtMgmtFrame:%d", pTxMetaInfo->fProtMgmtFrame );
    }
  }

  // Dst address
  usMacAddrSize = VOS_MAC_ADDR_SIZE;
  vosStatus = vos_pkt_extract_data( vosDataBuff,
                    WLANTL_MAC_ADDR_ALIGN( ucDisableFrmXtl ),
                    (v_PVOID_t)pvDestMacAddr,
                    &usMacAddrSize );
  if ((VOS_STATUS_SUCCESS != vosStatus) ||
          (usMacAddrSize != VOS_MAC_ADDR_SIZE))
  {
    VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
               "WDA:Failed while attempting to extract MAC Addr %d",
                vosStatus );
    VOS_ASSERT( 0 );
    return VOS_STATUS_E_FAULT;
  }

  vos_copy_macaddr( (v_MACADDR_t*)pTxMetaInfo->fSTAMACAddress, pvDestMacAddr );

  // ADDR2
  vos_copy_macaddr( (v_MACADDR_t*)pTxMetaInfo->addr2MACAddress, pAddr2 );

  /* Dump TX meta infro for debugging */
  VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_LOW,
             "WLAN TL: Dump TX meta info: "
             "txFlags:%d, qosEnabled:%d, ac:%d, "
             "isEapol:%d, fdisableFrmXlt:%d, frmType:%d",
             pTxMetaInfo->txFlags, ucQosEnabled, pTxMetaInfo->ac,
             pTxMetaInfo->isEapol, pTxMetaInfo->fdisableFrmXlt,
             pTxMetaInfo->frmType );

  return VOS_STATUS_SUCCESS;
}
Exemple #3
0
/*==========================================================================
   FUNCTION    WDA_DS_PrepareBDHeader

  DESCRIPTION
    Inline function for preparing BD header before HAL processing.

  DEPENDENCIES
    Just notify HAL that suspend in TL is complete.

  PARAMETERS

   IN
    vosDataBuff:      vos data buffer
    ucDisableFrmXtl:  is frame xtl disabled

   OUT
    ppvBDHeader:      it will contain the BD header
    pvDestMacAddr:   it will contain the destination MAC address
    pvosStatus:       status of the combined processing
    pusPktLen:        packet len.

  RETURN VALUE
    No return.

  SIDE EFFECTS

============================================================================*/
void
WDA_DS_PrepareBDHeader
(
  vos_pkt_t*      vosDataBuff,
  v_PVOID_t*      ppvBDHeader,
  v_MACADDR_t*    pvDestMacAddr,
  v_U8_t          ucDisableFrmXtl,
  VOS_STATUS*     pvosStatus,
  v_U16_t*        pusPktLen,
  v_U8_t          ucQosEnabled,
  v_U8_t          ucWDSEnabled,
  v_U8_t          extraHeadSpace
)
{
  v_U8_t      ucHeaderOffset;
  v_U8_t      ucHeaderLen;
#ifndef WLAN_SOFTAP_FEATURE
  v_PVOID_t   pvPeekData;
#endif
  v_U8_t      ucBDHeaderLen = WLANTL_BD_HEADER_LEN(ucDisableFrmXtl);

  /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
  /*-------------------------------------------------------------------------
    Get header pointer from VOSS
    !!! make sure reserve head zeros out the memory
   -------------------------------------------------------------------------*/
  vos_pkt_get_packet_length( vosDataBuff, pusPktLen);

  if ( WLANTL_MAC_HEADER_LEN(ucDisableFrmXtl) > *pusPktLen )
  {
    TLLOGE(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
               "WLAN TL: Length of the packet smaller than expected network"
               " header %d", *pusPktLen ));

    *pvosStatus = VOS_STATUS_E_INVAL;
    return;
  }

  vos_pkt_reserve_head( vosDataBuff, ppvBDHeader,
                        ucBDHeaderLen );
  if ( NULL == *ppvBDHeader )
  {
    TLLOGE(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
                "WLAN TL:VOSS packet corrupted on Attach BD header"));
    *pvosStatus = VOS_STATUS_E_INVAL;
    return;
  }

  /*-----------------------------------------------------------------------
    Extract MAC address
   -----------------------------------------------------------------------*/
#ifdef WLAN_SOFTAP_FEATURE
  {
   v_SIZE_t usMacAddrSize = VOS_MAC_ADDR_SIZE;
   *pvosStatus = vos_pkt_extract_data( vosDataBuff,
                                     ucBDHeaderLen +
                                     WLANTL_MAC_ADDR_ALIGN(ucDisableFrmXtl),
                                     (v_PVOID_t)pvDestMacAddr,
                                     &usMacAddrSize );
  }
#else
  *pvosStatus = vos_pkt_peek_data( vosDataBuff,
                                     ucBDHeaderLen +
                                     WLANTL_MAC_ADDR_ALIGN(ucDisableFrmXtl),
                                     (v_PVOID_t)&pvPeekData,
                                     VOS_MAC_ADDR_SIZE );

  /*Fix me*/
  vos_copy_macaddr(pvDestMacAddr, (v_MACADDR_t*)pvPeekData);
#endif
  if ( VOS_STATUS_SUCCESS != *pvosStatus )
  {
     TLLOGE(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_ERROR,
                "WLAN TL:Failed while attempting to extract MAC Addr %d",
                *pvosStatus));
  }
  else
  {
    /*---------------------------------------------------------------------
        Fill MPDU info fields:
          - MPDU data start offset
          - MPDU header start offset
          - MPDU header length
          - MPDU length - this is a 16b field - needs swapping
    --------------------------------------------------------------------*/
    ucHeaderOffset = ucBDHeaderLen;
    ucHeaderLen    = WLANTL_MAC_HEADER_LEN(ucDisableFrmXtl);

    if ( 0 != ucDisableFrmXtl )
    {
      if ( 0 != ucQosEnabled )
      {
        ucHeaderLen += WLANTL_802_11_HEADER_QOS_CTL;
      }

      // Similar to Qos we need something for WDS format !
      if ( ucWDSEnabled != 0 )
      {
        // If we have frame translation enabled
        ucHeaderLen    += WLANTL_802_11_HEADER_ADDR4_LEN;
      }
      if ( extraHeadSpace != 0 )
      {
        // Decrease the packet length with the extra padding after the header
        *pusPktLen = *pusPktLen - extraHeadSpace;
      }
    }

    WLANHAL_TX_BD_SET_MPDU_HEADER_LEN( *ppvBDHeader, ucHeaderLen);
    WLANHAL_TX_BD_SET_MPDU_HEADER_OFFSET( *ppvBDHeader, ucHeaderOffset);
    WLANHAL_TX_BD_SET_MPDU_DATA_OFFSET( *ppvBDHeader,
                                          ucHeaderOffset + ucHeaderLen + extraHeadSpace);
    WLANHAL_TX_BD_SET_MPDU_LEN( *ppvBDHeader, *pusPktLen);

    TLLOG2(VOS_TRACE( VOS_MODULE_ID_TL, VOS_TRACE_LEVEL_INFO_HIGH,
                "WLAN TL: VALUES ARE HLen=%x Hoff=%x doff=%x len=%x ex=%d",
                ucHeaderLen, ucHeaderOffset, 
                (ucHeaderOffset + ucHeaderLen + extraHeadSpace), 
                *pusPktLen, extraHeadSpace));
  }/* if peek MAC success*/

}/* WLANTL_PrepareBDHeader */