/*--------------------------------------------------------------------------- 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; }/* */