diff options
Diffstat (limited to 'drivers/staging/rtl8192su/r819xU_firmware.c')
| -rw-r--r-- | drivers/staging/rtl8192su/r819xU_firmware.c | 707 |
1 files changed, 707 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192su/r819xU_firmware.c b/drivers/staging/rtl8192su/r819xU_firmware.c new file mode 100644 index 000000000000..219f71e8cda7 --- /dev/null +++ b/drivers/staging/rtl8192su/r819xU_firmware.c @@ -0,0 +1,707 @@ +/************************************************************************************************** + * Procedure: Init boot code/firmware code/data session + * + * Description: This routine will intialize firmware. If any error occurs during the initialization + * process, the routine shall terminate immediately and return fail. + * NIC driver should call NdisOpenFile only from MiniportInitialize. + * + * Arguments: The pointer of the adapter + + * Returns: + * NDIS_STATUS_FAILURE - the following initialization process should be terminated + * NDIS_STATUS_SUCCESS - if firmware initialization process success +**************************************************************************************************/ +//#include "ieee80211.h" +#include "r8192U.h" +#include "r8192U_hw.h" +#include "r819xU_firmware_img.h" +#include "r819xU_firmware.h" +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) +#include <linux/firmware.h> +#endif +void firmware_init_param(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + rt_firmware *pfirmware = priv->pFirmware; + + pfirmware->cmdpacket_frag_thresold = GET_COMMAND_PACKET_FRAG_THRESHOLD(MAX_TRANSMIT_BUFFER_SIZE); +} + +/* + * segment the img and use the ptr and length to remember info on each segment + * + */ +bool fw_download_code(struct net_device *dev, u8 *code_virtual_address, u32 buffer_len) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + bool rt_status = true; + u16 frag_threshold; + u16 frag_length, frag_offset = 0; + //u16 total_size; + int i; + + rt_firmware *pfirmware = priv->pFirmware; + struct sk_buff *skb; + unsigned char *seg_ptr; + cb_desc *tcb_desc; + u8 bLastIniPkt; + + firmware_init_param(dev); + //Fragmentation might be required + frag_threshold = pfirmware->cmdpacket_frag_thresold; + do { + if((buffer_len - frag_offset) > frag_threshold) { + frag_length = frag_threshold ; + bLastIniPkt = 0; + + } else { + frag_length = buffer_len - frag_offset; + bLastIniPkt = 1; + + } + + /* Allocate skb buffer to contain firmware info and tx descriptor info + * add 4 to avoid packet appending overflow. + * */ + #ifdef RTL8192U + skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + frag_length + 4); + #else + skb = dev_alloc_skb(frag_length + 4); + #endif + memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev)); + tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE); + tcb_desc->queue_index = TXCMD_QUEUE; + tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT; + tcb_desc->bLastIniPkt = bLastIniPkt; + + #ifdef RTL8192U + skb_reserve(skb, USB_HWDESC_HEADER_LEN); + #endif + seg_ptr = skb->data; + /* + * Transform from little endian to big endian + * and pending zero + */ + for(i=0 ; i < frag_length; i+=4) { + *seg_ptr++ = ((i+0)<frag_length)?code_virtual_address[i+3]:0; + *seg_ptr++ = ((i+1)<frag_length)?code_virtual_address[i+2]:0; + *seg_ptr++ = ((i+2)<frag_length)?code_virtual_address[i+1]:0; + *seg_ptr++ = ((i+3)<frag_length)?code_virtual_address[i+0]:0; + } + tcb_desc->txbuf_size= (u16)i; + skb_put(skb, i); + + if(!priv->ieee80211->check_nic_enough_desc(dev,tcb_desc->queue_index)|| + (!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index]))||\ + (priv->ieee80211->queue_stop) ) { + RT_TRACE(COMP_FIRMWARE,"=====================================================> tx full!\n"); + skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb); + } else { + priv->ieee80211->softmac_hard_start_xmit(skb,dev); + } + + code_virtual_address += frag_length; + frag_offset += frag_length; + + }while(frag_offset < buffer_len); + + return rt_status; + +#if 0 +cmdsend_downloadcode_fail: + rt_status = false; + RT_TRACE(COMP_ERR, "CmdSendDownloadCode fail !!\n"); + return rt_status; +#endif +} + +bool +fwSendNullPacket( + struct net_device *dev, + u32 Length +) +{ + bool rtStatus = true; + struct r8192_priv *priv = ieee80211_priv(dev); + struct sk_buff *skb; + cb_desc *tcb_desc; + unsigned char *ptr_buf; + bool bLastInitPacket = false; + + //PlatformAcquireSpinLock(Adapter, RT_TX_SPINLOCK); + + //Get TCB and local buffer from common pool. (It is shared by CmdQ, MgntQ, and USB coalesce DataQ) + skb = dev_alloc_skb(Length+ 4); + memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev)); + tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE); + tcb_desc->queue_index = TXCMD_QUEUE; + tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT; + tcb_desc->bLastIniPkt = bLastInitPacket; + ptr_buf = skb_put(skb, Length); + memset(ptr_buf,0,Length); + tcb_desc->txbuf_size= (u16)Length; + + if(!priv->ieee80211->check_nic_enough_desc(dev,tcb_desc->queue_index)|| + (!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index]))||\ + (priv->ieee80211->queue_stop) ) { + RT_TRACE(COMP_FIRMWARE,"===================NULL packet==================================> tx full!\n"); + skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb); + } else { + priv->ieee80211->softmac_hard_start_xmit(skb,dev); + } + + //PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK); + return rtStatus; +} + +#if 0 +/* + * Procedure : Download code into IMEM or DMEM + * Description: This routine will intialize firmware. If any error occurs during the initialization + * process, the routine shall terminate immediately and return fail. + * The routine copy virtual address get from opening of file into shared memory + * allocated during initialization. If code size larger than a conitneous shared + * memory may contain, the code should be divided into several section. + * !!!NOTES This finction should only be called during MPInitialization because + * A NIC driver should call NdisOpenFile only from MiniportInitialize. + * Arguments : The pointer of the adapter + * Code address (Virtual address, should fill descriptor with physical address) + * Code size + * Returns : + * RT_STATUS_FAILURE - the following initialization process should be terminated + * RT_STATUS_SUCCESS - if firmware initialization process success + */ +bool fwsend_download_code(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + rt_firmware *pfirmware = (rt_firmware*)(&priv->firmware); + + bool rt_status = true; + u16 length = 0; + u16 offset = 0; + u16 frag_threhold; + bool last_init_packet = false; + u32 check_txcmdwait_queueemptytime = 100000; + u16 cmd_buf_len; + u8 *ptr_cmd_buf; + + /* reset to 0 for first segment of img download */ + pfirmware->firmware_seg_index = 1; + + if(pfirmware->firmware_seg_index == pfirmware->firmware_seg_maxnum) { + last_init_packet = 1; + } + + cmd_buf_len = pfirmware->firmware_seg_container[pfirmware->firmware_seg_index-1].seg_size; + ptr_cmd_buf = pfirmware->firmware_seg_container[pfirmware->firmware_seg_index-1].seg_ptr; + rtl819xU_tx_cmd(dev, ptr_cmd_buf, cmd_buf_len, last_init_packet, DESC_PACKET_TYPE_INIT); + + rt_status = true; + return rt_status; +} +#endif + +//----------------------------------------------------------------------------- +// Procedure: Check whether main code is download OK. If OK, turn on CPU +// +// Description: CPU register locates in different page against general register. +// Switch to CPU register in the begin and switch back before return +// +// +// Arguments: The pointer of the adapter +// +// Returns: +// NDIS_STATUS_FAILURE - the following initialization process should be terminated +// NDIS_STATUS_SUCCESS - if firmware initialization process success +//----------------------------------------------------------------------------- +bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + bool rt_status = true; + int check_putcodeOK_time = 200000, check_bootOk_time = 200000; + u32 CPU_status = 0; + + /* Check whether put code OK */ + do { + CPU_status = read_nic_dword(dev, CPU_GEN); + + if((CPU_status&CPU_GEN_PUT_CODE_OK) || (priv->usb_error==true)) + break; + + }while(check_putcodeOK_time--); + + if(!(CPU_status&CPU_GEN_PUT_CODE_OK)) { + RT_TRACE(COMP_ERR, "Download Firmware: Put code fail!\n"); + goto CPUCheckMainCodeOKAndTurnOnCPU_Fail; + } else { + RT_TRACE(COMP_FIRMWARE, "Download Firmware: Put code ok!\n"); + } + + /* Turn On CPU */ + CPU_status = read_nic_dword(dev, CPU_GEN); + write_nic_byte(dev, CPU_GEN, (u8)((CPU_status|CPU_GEN_PWR_STB_CPU)&0xff)); + mdelay(1000); + + /* Check whether CPU boot OK */ + do { + CPU_status = read_nic_dword(dev, CPU_GEN); + + if((CPU_status&CPU_GEN_BOOT_RDY)||(priv->usb_error == true)) + break; + }while(check_bootOk_time--); + + if(!(CPU_status&CPU_GEN_BOOT_RDY)) { + goto CPUCheckMainCodeOKAndTurnOnCPU_Fail; + } else { + RT_TRACE(COMP_FIRMWARE, "Download Firmware: Boot ready!\n"); + } + + return rt_status; + +CPUCheckMainCodeOKAndTurnOnCPU_Fail: + RT_TRACE(COMP_ERR, "ERR in %s()\n", __FUNCTION__); + rt_status = FALSE; + return rt_status; +} + +bool CPUcheck_firmware_ready(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + bool rt_status = true; + int check_time = 200000; + u32 CPU_status = 0; + + /* Check Firmware Ready */ + do { + CPU_status = read_nic_dword(dev, CPU_GEN); + + if((CPU_status&CPU_GEN_FIRM_RDY)||(priv->usb_error == true)) + break; + + }while(check_time--); + + if(!(CPU_status&CPU_GEN_FIRM_RDY)) + goto CPUCheckFirmwareReady_Fail; + else + RT_TRACE(COMP_FIRMWARE, "Download Firmware: Firmware ready!\n"); + + return rt_status; + +CPUCheckFirmwareReady_Fail: + RT_TRACE(COMP_ERR, "ERR in %s()\n", __FUNCTION__); + rt_status = false; + return rt_status; + +} + +bool init_firmware(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + bool rt_status = TRUE; + + u8 *firmware_img_buf[3] = { &rtl8190_fwboot_array[0], + &rtl8190_fwmain_array[0], + &rtl8190_fwdata_array[0]}; + + u32 firmware_img_len[3] = { sizeof(rtl8190_fwboot_array), + sizeof(rtl8190_fwmain_array), + sizeof(rtl8190_fwdata_array)}; + u32 file_length = 0; + u8 *mapped_file = NULL; + u32 init_step = 0; + opt_rst_type_e rst_opt = OPT_SYSTEM_RESET; + firmware_init_step_e starting_state = FW_INIT_STEP0_BOOT; + + rt_firmware *pfirmware = priv->pFirmware; + const struct firmware *fw_entry; + const char *fw_name[3] = { "RTL8192U/boot.img", + "RTL8192U/main.img", + "RTL8192U/data.img"}; + int rc; + + RT_TRACE(COMP_FIRMWARE, " PlatformInitFirmware()==>\n"); + + if (pfirmware->firmware_status == FW_STATUS_0_INIT ) { + /* it is called by reset */ + rst_opt = OPT_SYSTEM_RESET; + starting_state = FW_INIT_STEP0_BOOT; + // TODO: system reset + + }else if(pfirmware->firmware_status == FW_STATUS_5_READY) { + /* it is called by Initialize */ + rst_opt = OPT_FIRMWARE_RESET; + starting_state = FW_INIT_STEP2_DATA; + }else { + RT_TRACE(COMP_FIRMWARE, "PlatformInitFirmware: undefined firmware state\n"); + } + + /* + * Download boot, main, and data image for System reset. + * Download data image for firmware reseta + */ +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + priv->firmware_source = FW_SOURCE_HEADER_FILE; +#else + priv->firmware_source = FW_SOURCE_IMG_FILE; +#endif + for(init_step = starting_state; init_step <= FW_INIT_STEP2_DATA; init_step++) { + /* + * Open Image file, and map file to contineous memory if open file success. + * or read image file from array. Default load from IMG file + */ + if(rst_opt == OPT_SYSTEM_RESET) { + switch(priv->firmware_source) { + case FW_SOURCE_IMG_FILE: +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) + if(pfirmware->firmware_buf_size[init_step] == 0) { + rc = request_firmware(&fw_entry, fw_name[init_step],&priv->udev->dev); + if(rc < 0 ) { + RT_TRACE(COMP_ERR, "request firmware fail!\n"); + goto download_firmware_fail; + } + + if(fw_entry->size > sizeof(pfirmware->firmware_buf[init_step])) { + //RT_TRACE(COMP_ERR, "img file size exceed the container buffer fail!\n"); + RT_TRACE(COMP_FIRMWARE, "img file size exceed the container buffer fail!, entry_size = %d, buf_size = %d\n",fw_entry->size,sizeof(pfirmware->firmware_buf[init_step])); + + goto download_firmware_fail; + } + + if(init_step != FW_INIT_STEP1_MAIN) { + memcpy(pfirmware->firmware_buf[init_step],fw_entry->data,fw_entry->size); + pfirmware->firmware_buf_size[init_step] = fw_entry->size; + } else { +#ifdef RTL8190P + memcpy(pfirmware->firmware_buf[init_step],fw_entry->data,fw_entry->size); + pfirmware->firmware_buf_size[init_step] = fw_entry->size; +#else + memset(pfirmware->firmware_buf[init_step],0,128); + memcpy(&pfirmware->firmware_buf[init_step][128],fw_entry->data,fw_entry->size); + mapped_file = pfirmware->firmware_buf[init_step]; + pfirmware->firmware_buf_size[init_step] = fw_entry->size+128; +#endif + } + //pfirmware->firmware_buf_size = file_length; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) + if(rst_opt == OPT_SYSTEM_RESET) { + release_firmware(fw_entry); + } +#endif + } + mapped_file = pfirmware->firmware_buf[init_step]; + file_length = pfirmware->firmware_buf_size[init_step]; +#endif + + break; + + case FW_SOURCE_HEADER_FILE: + mapped_file = firmware_img_buf[init_step]; + file_length = firmware_img_len[init_step]; + if(init_step == FW_INIT_STEP2_DATA) { + memcpy(pfirmware->firmware_buf[init_step], mapped_file, file_length); + pfirmware->firmware_buf_size[init_step] = file_length; + } + break; + + default: + break; + } + + + }else if(rst_opt == OPT_FIRMWARE_RESET ) { + /* we only need to download data.img here */ + mapped_file = pfirmware->firmware_buf[init_step]; + file_length = pfirmware->firmware_buf_size[init_step]; + } + + /* Download image file */ + /* The firmware download process is just as following, + * 1. that is each packet will be segmented and inserted to the wait queue. + * 2. each packet segment will be put in the skb_buff packet. + * 3. each skb_buff packet data content will already include the firmware info + * and Tx descriptor info + * */ + rt_status = fw_download_code(dev,mapped_file,file_length); + + if(rt_status != TRUE) { + goto download_firmware_fail; + } + + switch(init_step) { + case FW_INIT_STEP0_BOOT: + /* Download boot + * initialize command descriptor. + * will set polling bit when firmware code is also configured + */ + pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE; +#ifdef RTL8190P + // To initialize IMEM, CPU move code from 0x80000080, hence, we send 0x80 byte packet + rt_status = fwSendNullPacket(dev, RTL8190_CPU_START_OFFSET); + if(rt_status != true) + { + RT_TRACE(COMP_INIT, "fwSendNullPacket() fail ! \n"); + goto download_firmware_fail; + } +#endif + //mdelay(1000); + /* + * To initialize IMEM, CPU move code from 0x80000080, + * hence, we send 0x80 byte packet + */ + break; + + case FW_INIT_STEP1_MAIN: + /* Download firmware code. Wait until Boot Ready and Turn on CPU */ + pfirmware->firmware_status = FW_STATUS_2_MOVE_MAIN_CODE; + + /* Check Put Code OK and Turn On CPU */ + rt_status = CPUcheck_maincodeok_turnonCPU(dev); + if(rt_status != TRUE) { + RT_TRACE(COMP_ERR, "CPUcheck_maincodeok_turnonCPU fail!\n"); + goto download_firmware_fail; + } + + pfirmware->firmware_status = FW_STATUS_3_TURNON_CPU; + break; + + case FW_INIT_STEP2_DATA: + /* download initial data code */ + pfirmware->firmware_status = FW_STATUS_4_MOVE_DATA_CODE; + mdelay(1); + + rt_status = CPUcheck_firmware_ready(dev); + if(rt_status != TRUE) { + RT_TRACE(COMP_ERR, "CPUcheck_firmware_ready fail(%d)!\n",rt_status); + goto download_firmware_fail; + } + + /* wait until data code is initialized ready.*/ + pfirmware->firmware_status = FW_STATUS_5_READY; + break; + } + } + + RT_TRACE(COMP_FIRMWARE, "Firmware Download Success\n"); + //assert(pfirmware->firmware_status == FW_STATUS_5_READY, ("Firmware Download Fail\n")); + + return rt_status; + +download_firmware_fail: + RT_TRACE(COMP_ERR, "ERR in %s()\n", __FUNCTION__); + rt_status = FALSE; + return rt_status; + +} + +#if 0 +/* + * Procedure: (1) Transform firmware code from little endian to big endian if required. + * (2) Number of bytes in Firmware downloading should be multiple + * of 4 bytes. If length is not multiple of 4 bytes, appending of zeros is required + * + */ +void CmdAppendZeroAndEndianTransform( + u1Byte *pDst, + u1Byte *pSrc, + u2Byte *pLength) +{ + + u2Byte ulAppendBytes = 0, i; + u2Byte ulLength = *pLength; + +//test only + //memset(pDst, 0xcc, 12); + + + /* Transform from little endian to big endian */ +//#if DEV_BUS_TYPE==PCI_INTERFACE +#if 0 + for( i=0 ; i<(*pLength) ; i+=4) + { + if((i+3) < (*pLength)) pDst[i+0] = pSrc[i+3]; + if((i+2) < (*pLength)) pDst[i+1] = pSrc[i+2]; + if((i+1) < (*pLength)) pDst[i+2] = pSrc[i+1]; + if((i+0) < (*pLength)) pDst[i+3] = pSrc[i+0]; + } +#else + pDst += USB_HWDESC_HEADER_LEN; + ulLength -= USB_HWDESC_HEADER_LEN; + + for( i=0 ; i<ulLength ; i+=4) { + if((i+3) < ulLength) pDst[i+0] = pSrc[i+3]; + if((i+2) < ulLength) pDst[i+1] = pSrc[i+2]; + if((i+1) < ulLength) pDst[i+2] = pSrc[i+1]; + if((i+0) < ulLength) pDst[i+3] = pSrc[i+0]; + + } +#endif + + //1(2) Append Zero + if( ((*pLength) % 4) >0) + { + ulAppendBytes = 4-((*pLength) % 4); + + for(i=0 ; i<ulAppendBytes; i++) + pDst[ 4*((*pLength)/4) + i ] = 0x0; + + *pLength += ulAppendBytes; + } +} +#endif + +#if 0 +RT_STATUS +CmdSendPacket( + PADAPTER Adapter, + PRT_TCB pTcb, + PRT_TX_LOCAL_BUFFER pBuf, + u4Byte BufferLen, + u4Byte PacketType, + BOOLEAN bLastInitPacket + ) +{ + s2Byte i; + u1Byte QueueID; + u2Byte firstDesc,curDesc = 0; + u2Byte FragIndex=0, FragBufferIndex=0; + + RT_STATUS rtStatus = RT_STATUS_SUCCESS; + + CmdInitTCB(Adapter, pTcb, pBuf, BufferLen); + + + if(CmdCheckFragment(Adapter, pTcb, pBuf)) + CmdFragmentTCB(Adapter, pTcb); + else + pTcb->FragLength[0] = (u2Byte)pTcb->BufferList[0].Length; + + QueueID=pTcb->SpecifiedQueueID; +#if DEV_BUS_TYPE!=USB_INTERFACE + firstDesc=curDesc=Adapter->NextTxDescToFill[QueueID]; +#endif + +#if DEV_BUS_TYPE!=USB_INTERFACE + if(VacancyTxDescNum(Adapter, QueueID) > pTcb->BufferCount) +#else + if(PlatformIsTxQueueAvailable(Adapter, QueueID, pTcb->BufferCount) && + RTIsListEmpty(&Adapter->TcbWaitQueue[QueueID])) +#endif + { + pTcb->nDescUsed=0; + + for(i=0 ; i<pTcb->BufferCount ; i++) + { + Adapter->HalFunc.TxFillCmdDescHandler( + Adapter, + pTcb, + QueueID, //QueueIndex + curDesc, //index + FragBufferIndex==0, //bFirstSeg + FragBufferIndex==(pTcb->FragBufCount[FragIndex]-1), //bLastSeg + pTcb->BufferList[i].VirtualAddress, //VirtualAddress + pTcb->BufferList[i].PhysicalAddressLow, //PhyAddressLow + pTcb->BufferList[i].Length, //BufferLen + i!=0, //bSetOwnBit + (i==(pTcb->BufferCount-1)) && bLastInitPacket, //bLastInitPacket + PacketType, //DescPacketType + pTcb->FragLength[FragIndex] //PktLen + ); + + if(FragBufferIndex==(pTcb->FragBufCount[FragIndex]-1)) + { // Last segment of the fragment. + pTcb->nFragSent++; + } + + FragBufferIndex++; + if(FragBufferIndex==pTcb->FragBufCount[FragIndex]) + { + FragIndex++; + FragBufferIndex=0; + } + +#if DEV_BUS_TYPE!=USB_INTERFACE + curDesc=(curDesc+1)%Adapter->NumTxDesc[QueueID]; +#endif + pTcb->nDescUsed++; + } + +#if DEV_BUS_TYPE!=USB_INTERFACE + RTInsertTailList(&Adapter->TcbBusyQueue[QueueID], &pTcb->List); + IncrementTxDescToFill(Adapter, QueueID, pTcb->nDescUsed); + Adapter->HalFunc.SetTxDescOWNHandler(Adapter, QueueID, firstDesc); + // TODO: should call poll use QueueID + Adapter->HalFunc.TxPollingHandler(Adapter, TXCMD_QUEUE); +#endif + } + else +#if DEV_BUS_TYPE!=USB_INTERFACE + goto CmdSendPacket_Fail; +#else + { + pTcb->bLastInitPacket = bLastInitPacket; + RTInsertTailList(&Adapter->TcbWaitQueue[pTcb->SpecifiedQueueID], &pTcb->List); + } +#endif + + return rtStatus; + +#if DEV_BUS_TYPE!=USB_INTERFACE +CmdSendPacket_Fail: + rtStatus = RT_STATUS_FAILURE; + return rtStatus; +#endif + +} +#endif + + + + +#if 0 +RT_STATUS +FWSendNullPacket( + IN PADAPTER Adapter, + IN u4Byte Length +) +{ + RT_STATUS rtStatus = RT_STATUS_SUCCESS; + + + PRT_TCB pTcb; + PRT_TX_LOCAL_BUFFER pBuf; + BOOLEAN bLastInitPacket = FALSE; + + PlatformAcquireSpinLock(Adapter, RT_TX_SPINLOCK); + +#if DEV_BUS_TYPE==USB_INTERFACE + Length += USB_HWDESC_HEADER_LEN; +#endif + + //Get TCB and local buffer from common pool. (It is shared by CmdQ, MgntQ, and USB coalesce DataQ) + if(MgntGetBuffer(Adapter, &pTcb, &pBuf)) + { + PlatformZeroMemory(pBuf->Buffer.VirtualAddress, Length); + rtStatus = CmdSendPacket(Adapter, pTcb, pBuf, Length, DESC_PACKET_TYPE_INIT, bLastInitPacket); //0 : always set LastInitPacket to zero +//#if HAL_CODE_BASE != RTL8190HW +// // TODO: for test only +// ReturnTCB(Adapter, pTcb, RT_STATUS_SUCCESS); +//#endif + if(rtStatus == RT_STATUS_FAILURE) + goto CmdSendNullPacket_Fail; + }else + goto CmdSendNullPacket_Fail; + + PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK); + return rtStatus; + + +CmdSendNullPacket_Fail: + PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK); + rtStatus = RT_STATUS_FAILURE; + RT_ASSERT(rtStatus == RT_STATUS_SUCCESS, ("CmdSendDownloadCode fail !!\n")); + return rtStatus; +} +#endif + + |