/*---------------------------------------------------------------------------
wpalLockPacketForTransfer – Map the data buffer from dma so that the
data is commited from cache and the cpu relinquishes
ownership of the buffer
Param:
pPacket – pointer to a wpt_packet
Return:
eWLAN_PAL_STATUS_SUCCESS - success
---------------------------------------------------------------------------*/
wpt_status wpalLockPacketForTransfer( wpt_packet *pPacket)
{
void* pPhyData = NULL;
wpt_iterator_info* pInfo = NULL;
v_U16_t uLenData = 0;
// Validate the parameter pointers
if (unlikely(NULL == pPacket))
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR,
"%s : NULL input pointer", __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 */
pPhyData = (void*)itGetOSPktAddrForDevice( pPacket );
}
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 */
pPhyData = (void*)itGetOSPktAddrForDevice( pPacket );
}
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 */
pPhyData = (void*)itGetOSPktAddrFromDevice( pPacket );
}
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;
}
}
/*Get packet length*/
vos_pkt_get_packet_length(WPAL_TO_VOS_PKT(pPacket),&uLenData);
/*Allocate memory for the current info*/
pInfo = wpalMemoryAllocate( sizeof(wpt_iterator_info) );
// Validate the memory allocation
if (unlikely(NULL == pInfo))
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR,
"%s : Failed to allocate memory ", __func__);
return eWLAN_PAL_STATUS_E_INVAL;
}
pInfo->pPhyAddr = pPhyData;
pInfo->uLen = uLenData;
pPacket->pInternalData = pInfo;
return eWLAN_PAL_STATUS_SUCCESS;
}/*wpalLockPacketForTransfer*/
wpt_status wpalLockPacketForTransfer( wpt_packet *pPacket)
{
void* pPhyData = NULL;
wpt_iterator_info* pInfo = NULL;
v_U16_t uLenData = 0;
//
if (unlikely(NULL == pPacket))
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR,
"%s : NULL input pointer", __func__);
return eWLAN_PAL_STATUS_E_INVAL;
}
switch(WPAL_PACKET_GET_TYPE(pPacket))
{
/*
*/
case eWLAN_PAL_PKT_TYPE_TX_802_11_MGMT:
{
/*
*/
pPhyData = (void*)itGetOSPktAddrForDevice( pPacket );
}
break;
/*
*/
case eWLAN_PAL_PKT_TYPE_TX_802_11_DATA:
case eWLAN_PAL_PKT_TYPE_TX_802_3_DATA:
{
/*
*/
pPhyData = (void*)itGetOSPktAddrForDevice( pPacket );
}
break;
/*
*/
case eWLAN_PAL_PKT_TYPE_RX_RAW:
{
/*
*/
pPhyData = (void*)itGetOSPktAddrFromDevice( pPacket );
}
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;
}
}
/* */
vos_pkt_get_packet_length(WPAL_TO_VOS_PKT(pPacket),&uLenData);
/* */
pInfo = wpalMemoryAllocate( sizeof(wpt_iterator_info) );
//
if (unlikely(NULL == pInfo))
{
WPAL_TRACE(eWLAN_MODULE_PAL, eWLAN_PAL_TRACE_LEVEL_ERROR,
"%s : Failed to allocate memory ", __func__);
return eWLAN_PAL_STATUS_E_INVAL;
}
pInfo->pPhyAddr = pPhyData;
pInfo->uLen = uLenData;
pPacket->pInternalData = pInfo;
return eWLAN_PAL_STATUS_SUCCESS;
}/* */
