/*---------------------------------------------------------------------------
wpalUnlockPacket – Unmap the data buffer from dma so that cpu can regain
ownership on it
Param:
pPacket – pointer to a wpt_packet
Return:
eWLAN_PAL_STATUS_SUCCESS - success
---------------------------------------------------------------------------*/
wpt_status wpalUnlockPacket( wpt_packet *pPacket)
{
wpt_iterator_info* pInfo;
// Validate the parameter pointers
if (unlikely(NULL == pPacket))
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR,
"%s : NULL input pointer pPacket", __func__);
return eWLAN_PAL_STATUS_E_INVAL;
}
pInfo = (wpt_iterator_info*)pPacket->pInternalData;
// Validate pInfo
if (unlikely(NULL == pInfo))
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_FATAL,
"%s : NULL input pointer pInfo", __func__);
return eWLAN_PAL_STATUS_E_INVAL;
}
switch(WPAL_PACKET_GET_TYPE(pPacket))
{
/* For management frames, BD is allocated by WDI, header is in raw buffer,
rest of the frame is also in raw buffer */
case eWLAN_PAL_PKT_TYPE_TX_802_11_MGMT:
{
/*TX Packets need to be DMA-ed to the device, perform DMA mapping
accordingly */
itReturnOSPktAddrForDevice(pPacket, pInfo->pPhyAddr, pInfo->uLen);
}
break;
/* Data packets - BD (allocated by WDI), header (in VOSS header),
rest of the packet (DSM items) */
case eWLAN_PAL_PKT_TYPE_TX_802_11_DATA:
case eWLAN_PAL_PKT_TYPE_TX_802_3_DATA:
{
/*TX Packets need to be DMA-ed to the device, perform DMA mapping
accordingly */
itReturnOSPktAddrForDevice(pPacket, pInfo->pPhyAddr, pInfo->uLen);
}
break;
/* For Raw RX, BD + header + rest of the packet is all contained in the raw
buffer */
case eWLAN_PAL_PKT_TYPE_RX_RAW:
{
/*RX Packets need to be DMA-ed from the device, perform DMA mapping
accordingly */
if(NULL == pInfo->pPhyAddr)
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR,
" WLAN_PAL: %s: RX frame was not locked properly", __func__);
}
else
{
itReturnOSPktAddrFromDevice(pPacket, pInfo->pPhyAddr, pInfo->uLen);
}
}
break;
default:
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR,
" WLAN_PAL: %s: Invalid packet type %d!", __func__,
WPAL_PACKET_GET_TYPE(pPacket) );
WPAL_ASSERT(0);
return eWLAN_PAL_STATUS_E_FAILURE;
}
}
wpalMemoryFree(pInfo);
pPacket->pInternalData = NULL;
return eWLAN_PAL_STATUS_SUCCESS;
}/*wpalUnlockPacket*/
wpt_status wpalUnlockPacket( wpt_packet *pPacket)
{
wpt_iterator_info* pInfo;
//
if (unlikely(NULL == pPacket))
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR,
"%s : NULL input pointer pPacket", __func__);
return eWLAN_PAL_STATUS_E_INVAL;
}
pInfo = (wpt_iterator_info*)pPacket->pInternalData;
//
if (unlikely(NULL == pInfo))
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_FATAL,
"%s : NULL input pointer pInfo", __func__);
return eWLAN_PAL_STATUS_E_INVAL;
}
switch(WPAL_PACKET_GET_TYPE(pPacket))
{
/*
*/
case eWLAN_PAL_PKT_TYPE_TX_802_11_MGMT:
{
/*
*/
itReturnOSPktAddrForDevice(pPacket, pInfo->pPhyAddr, pInfo->uLen);
}
break;
/*
*/
case eWLAN_PAL_PKT_TYPE_TX_802_11_DATA:
case eWLAN_PAL_PKT_TYPE_TX_802_3_DATA:
{
/*
*/
itReturnOSPktAddrForDevice(pPacket, pInfo->pPhyAddr, pInfo->uLen);
}
break;
/*
*/
case eWLAN_PAL_PKT_TYPE_RX_RAW:
{
/*
*/
if(NULL == pInfo->pPhyAddr)
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR,
" WLAN_PAL: %s: RX frame was not locked properly", __func__);
}
else
{
itReturnOSPktAddrFromDevice(pPacket, pInfo->pPhyAddr, pInfo->uLen);
}
}
break;
default:
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR,
" WLAN_PAL: %s: Invalid packet type %d!", __func__,
WPAL_PACKET_GET_TYPE(pPacket) );
WPAL_ASSERT(0);
return eWLAN_PAL_STATUS_E_FAILURE;
}
}
wpalMemoryFree(pInfo);
pPacket->pInternalData = NULL;
return eWLAN_PAL_STATUS_SUCCESS;
}/* */