1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 ******************************************************************************/
20 #define _HCI_OPS_OS_C_
23 #include <osdep_service.h>
24 #include <drv_types.h>
25 #include <osdep_intf.h>
28 #include <recv_osdep.h>
29 //#include <rtl8192c_hal.h>
30 #include <rtl8723a_hal.h>
31 #include <rtl8723a_recv.h>
32 #if defined (PLATFORM_LINUX) && defined (PLATFORM_WINDOWS)
34 #error "Shall be Linux or Windows, but not both!\n"
38 static int usbctrl_vendorreq(struct intf_hdl *pintfhdl, u8 request, u16 value, u16 index, void *pdata, u16 len, u8 requesttype)
40 _adapter *padapter = pintfhdl->padapter ;
41 struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
42 struct usb_device *udev=pdvobjpriv->pusbdev;
49 int vendorreq_times = 0;
51 #ifdef CONFIG_USB_VENDOR_REQ_BUFFER_DYNAMIC_ALLOCATE
53 #else // use stack memory
54 u8 tmp_buf[MAX_USB_IO_CTL_SIZE];
57 #ifdef CONFIG_CONCURRENT_MODE
58 if(padapter->adapter_type > PRIMARY_ADAPTER)
60 padapter = padapter->pbuddy_adapter;
61 pdvobjpriv = adapter_to_dvobj(padapter);
62 udev = pdvobjpriv->pusbdev;
67 //DBG_8723A("%s %s:%d\n",__FUNCTION__, current->comm, current->pid);
69 if((padapter->bSurpriseRemoved) ||(padapter->pwrctrlpriv.pnp_bstop_trx)){
70 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usbctrl_vendorreq:(padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
75 if(len>MAX_VENDOR_REQ_CMD_SIZE){
76 DBG_8723A( "[%s] Buffer len error ,vendor request failed\n", __FUNCTION__ );
81 #ifdef CONFIG_USB_VENDOR_REQ_MUTEX
82 _enter_critical_mutex(&pdvobjpriv->usb_vendor_req_mutex, NULL);
86 // Acquire IO memory for vendorreq
87 #ifdef CONFIG_USB_VENDOR_REQ_BUFFER_PREALLOC
88 pIo_buf = pdvobjpriv->usb_vendor_req_buf;
90 #ifdef CONFIG_USB_VENDOR_REQ_BUFFER_DYNAMIC_ALLOCATE
91 tmp_buf = rtw_malloc( (u32) len + ALIGNMENT_UNIT);
92 tmp_buflen = (u32)len + ALIGNMENT_UNIT;
93 #else // use stack memory
94 tmp_buflen = MAX_USB_IO_CTL_SIZE;
97 // Added by Albert 2010/02/09
98 // For mstar platform, mstar suggests the address for USB IO should be 16 bytes alignment.
99 // Trying to fix it here.
100 pIo_buf = (tmp_buf==NULL)?NULL:tmp_buf + ALIGNMENT_UNIT -((SIZE_PTR)(tmp_buf) & 0x0f );
103 if ( pIo_buf== NULL) {
104 DBG_8723A( "[%s] pIo_buf == NULL \n", __FUNCTION__ );
109 while(++vendorreq_times<= MAX_USBCTRL_VENDORREQ_TIMES)
111 _rtw_memset(pIo_buf, 0, len);
113 if (requesttype == 0x01)
115 pipe = usb_rcvctrlpipe(udev, 0);//read_in
116 reqtype = REALTEK_USB_VENQT_READ;
120 pipe = usb_sndctrlpipe(udev, 0);//write_out
121 reqtype = REALTEK_USB_VENQT_WRITE;
122 _rtw_memcpy( pIo_buf, pdata, len);
126 //timeout test for firmware downloading
127 status = rtw_usb_control_msg(udev, pipe, request, reqtype, value, index, pIo_buf, len
128 , ((value >= FW_8192C_START_ADDRESS && value <= FW_8192C_END_ADDRESS) ||value!=0x1000) ?RTW_USB_CONTROL_MSG_TIMEOUT : RTW_USB_CONTROL_MSG_TIMEOUT_TEST
131 status = rtw_usb_control_msg(udev, pipe, request, reqtype, value, index, pIo_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT);
134 if ( status == len) // Success this control transfer.
136 rtw_reset_continual_urb_error(pdvobjpriv);
137 if ( requesttype == 0x01 )
138 { // For Control read transfer, we have to copy the read data from pIo_buf to pdata.
139 _rtw_memcpy( pdata, pIo_buf, len );
142 else { // error cases
143 DBG_8723A("reg 0x%x, usb %s %u fail, status:%d value=0x%x, vendorreq_times:%d\n"
144 , value,(requesttype == 0x01)?"read":"write" , len, status, *(u32*)pdata, vendorreq_times);
147 if(status == (-ESHUTDOWN) || status == -ENODEV )
149 padapter->bSurpriseRemoved = _TRUE;
151 #ifdef DBG_CONFIG_ERROR_DETECT
153 HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
154 pHalData->srestpriv.Wifi_Error_Status = USB_VEN_REQ_CMD_FAIL;
159 else // status != len && status >= 0
162 if ( requesttype == 0x01 )
163 { // For Control read transfer, we have to copy the read data from pIo_buf to pdata.
164 _rtw_memcpy( pdata, pIo_buf, len );
169 if(rtw_inc_and_chk_continual_urb_error(pdvobjpriv) == _TRUE ){
170 padapter->bSurpriseRemoved = _TRUE;
176 // firmware download is checksumed, don't retry
177 if( (value >= FW_8723A_START_ADDRESS && value <= FW_8723A_END_ADDRESS) || status == len )
182 // release IO memory used by vendorreq
183 #ifdef CONFIG_USB_VENDOR_REQ_BUFFER_DYNAMIC_ALLOCATE
184 rtw_mfree(tmp_buf, tmp_buflen);
188 #ifdef CONFIG_USB_VENDOR_REQ_MUTEX
189 _exit_critical_mutex(&pdvobjpriv->usb_vendor_req_mutex, NULL);
196 static u8 usb_read8(struct intf_hdl *pintfhdl, u32 addr)
208 requesttype = 0x01;//read_in
211 wvalue = (u16)(addr&0x0000ffff);
214 usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
222 static u16 usb_read16(struct intf_hdl *pintfhdl, u32 addr)
234 requesttype = 0x01;//read_in
237 wvalue = (u16)(addr&0x0000ffff);
240 usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
248 static u32 usb_read32(struct intf_hdl *pintfhdl, u32 addr)
260 requesttype = 0x01;//read_in
263 wvalue = (u16)(addr&0x0000ffff);
266 usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
274 static int usb_write8(struct intf_hdl *pintfhdl, u32 addr, u8 val)
287 requesttype = 0x00;//write_out
290 wvalue = (u16)(addr&0x0000ffff);
295 ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
303 static int usb_write16(struct intf_hdl *pintfhdl, u32 addr, u16 val)
316 requesttype = 0x00;//write_out
319 wvalue = (u16)(addr&0x0000ffff);
324 ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
332 static int usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val)
345 requesttype = 0x00;//write_out
348 wvalue = (u16)(addr&0x0000ffff);
353 ret =usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype);
361 static int usb_writeN(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata)
368 u8 buf[VENDOR_CMD_MAX_DATA_LEN]={0};
374 requesttype = 0x00;//write_out
377 wvalue = (u16)(addr&0x0000ffff);
379 _rtw_memcpy(buf, pdata, len );
381 ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, buf, len, requesttype);
389 #ifdef CONFIG_USB_INTERRUPT_IN_PIPE
392 * Log the Interrupt value and update counter no matter STA is associated or not. It is
393 * implemented for FPGA verification stage because we need to now whether the current FPGA
396 * \param pAdapter The adapter context for this minoport
397 * \param IsrContent The ISR value read from hardware in MPISR
399 * We sholud remove this function later because DDK suggest not to executing too many
400 * operations in MPISR
403 LogInterruptHistory8723AU(
407 HAL_DATA_TYPE *pHalData=GET_HAL_DATA(Adapter);
409 // if(pHalData->IntArray[0] & IMR_COMDOK)
410 // pHalData->InterruptLog.nIMR_COMDOK++;
411 if(pHalData->IntArray[0] & UHIMR_VODOK)
413 pHalData->InterruptLog.nIMR_VODOK++;
414 DBG_8723A("UHIMR_VODOK %d \n", pHalData->InterruptLog.nIMR_VODOK);
416 if(pHalData->IntArray[0] & UHIMR_VIDOK)
418 pHalData->InterruptLog.nIMR_VIDOK++;
419 DBG_8723A("UHIMR_VIDOK %d\n", pHalData->InterruptLog.nIMR_VIDOK);
421 if(pHalData->IntArray[0] & UHIMR_MGNTDOK)
423 pHalData->InterruptLog.nIMR_MGNTDOK++;
424 DBG_8723A("UHIMR_MGNTDOK %d\n", pHalData->InterruptLog.nIMR_MGNTDOK);
426 if(pHalData->IntArray[0] & UHIMR_BEDOK)
428 pHalData->InterruptLog.nIMR_BEDOK++;
429 DBG_8723A("UHIMR_BEDOK %d\n", pHalData->InterruptLog.nIMR_BEDOK);
431 if(pHalData->IntArray[0] & UHIMR_BKDOK)
433 pHalData->InterruptLog.nIMR_BKDOK++;
434 DBG_8723A("UHIMR_BKDOK %d\n", pHalData->InterruptLog.nIMR_BKDOK);
436 if(pHalData->IntArray[0] & UHIMR_ROK)
438 pHalData->InterruptLog.nIMR_ROK++;
439 DBG_8723A("UHIMR_ROK %d\n", pHalData->InterruptLog.nIMR_ROK);
442 if(pHalData->IntArray[0] & UHIMR_TXBCNOK)
444 pHalData->InterruptLog.nIMR_TBDOK++;
445 DBG_8723A("UHIMR_TXBCNOK %d\n", pHalData->InterruptLog.nIMR_TBDOK);
447 if(pHalData->IntArray[0] & UHIMR_BCNDOK0)
449 pHalData->InterruptLog.nIMR_BDOK++;
450 DBG_8723A("UHIMR_BCNDOK0 %d\n", pHalData->InterruptLog.nIMR_BDOK);
452 if(pHalData->IntArray[0] & UHIMR_C2HCMD)
454 pHalData->InterruptLog.nIMR_C2HCMD++;
455 DBG_8723A("UHIMR_C2HCMD %d\n", pHalData->InterruptLog.nIMR_C2HCMD);
457 if(pHalData->IntArray[0] & UHIMR_CPWM)
459 pHalData->InterruptLog.nIMR_C2HCMD++;
460 DBG_8723A("UHIMR_CPWM %d\n", pHalData->InterruptLog.nIMR_CPWM);
463 // if(pHalData->IntArray[0] & IMR_RXCMDOK)
464 // pHalData->InterruptLog.nIMR_RCOK++;
465 if(pHalData->IntArray[0] & UHIMR_RDU)
467 pHalData->InterruptLog.nIMR_RDU++;
468 DBG_8723A("UHIMR_RDU %d\n", pHalData->InterruptLog.nIMR_RDU);
471 if(pHalData->IntArray[1] & UHIMR_RXFOVW)
473 pHalData->InterruptLog.nIMR_RXFOVW++;
474 DBG_8723A("UHIMR_RXFOVW %d\n", pHalData->InterruptLog.nIMR_RXFOVW);
482 // Recognize the interrupt content by reading the interrupt register or content and masking interrupt mask (IMR)
483 // if it is our NIC's interrupt. After recognizing, we may clear the all interrupts (ISR).
486 // The adapter context.
488 // Under PCI interface, this field is ignord.
489 // Under USB interface, the content is the interrupt content pointer.
490 // Under SDIO interface, this is the interrupt type which is Local interrupt or system interrupt.
492 // The length in byte of pContent.
494 // If any interrupt matches the mask (IMR), return TRUE, and return FALSE otherwise.
497 InterruptRecognized8723AU(
503 HAL_DATA_TYPE *pHalData=GET_HAL_DATA(Adapter);
504 u8 * buffer = (u8 *)pContent;
505 // RT_PRINT_DATA(COMP_RECV, DBG_LOUD, ("InterruptRecognized8723AU Interrupt buffer \n"), buffer, MAX_RECEIVE_INTERRUPT_BUFFER_SIZE(Adapter));
507 _rtw_memcpy(&(pHalData->IntArray[0]), &(buffer[USB_INTR_CONTENT_HISR_OFFSET]), 4);
508 // PlatformMoveMemory(&(pHalData->IntArray[0]), &(buffer[USB_INTR_CONTENT_HISR_OFFSET]), sizeof(u4Byte));
509 // DBG_8723A("InterruptRecognized8723AU HISR = 0x%x HIMR = 0x%x\n", pHalData->IntArray[0],pHalData->IntrMask[0]);
510 pHalData->IntArray[0] &= pHalData->IntrMask[0];
512 //For HISR extension. Added by tynli. 2009.10.07.
513 _rtw_memcpy(&(pHalData->IntArray[1]), &(buffer[USB_INTR_CONTENT_HISRE_OFFSET]), 4);
514 // PlatformMoveMemory(&(pHalData->IntArray[1]), &(buffer[USB_INTR_CONTENT_HISRE_OFFSET]), sizeof(u4Byte));
515 // DBG_8723A("InterruptRecognized8192CUsb HISRE = 0x%x HIMRE = 0x%x\n", pHalData->IntArray[1], pHalData->IntrMask[1]);
516 pHalData->IntArray[1] &= pHalData->IntrMask[1];
518 // We sholud remove this function later because DDK suggest not to executing too many operations in MPISR
519 // if(pHalData->IntArray[0] != 0)
520 // LogInterruptHistory8723AU(Adapter);
523 struct reportpwrstate_parm report;
524 _rtw_memcpy(&report.state, &(buffer[USB_INTR_CPWM_OFFSET]), 1);
525 #ifdef CONFIG_LPS_LCLK
526 if( ((pHalData->IntArray[0])&UHIMR_CPWM)){
527 // DBG_8723A("%s HIMR=0x%x\n",__func__,pHalData->IntArray[0]);
528 //cpwm_int_hdl(Adapter, &report);
529 _set_workitem(&Adapter->pwrctrlpriv.cpwm_event);
530 pHalData->IntArray[0]&= ~UHIMR_CPWM;
531 // DBG_8723A("%s HIMR=0x%x\n",__func__,pHalData->IntArray[0]);
535 return (((pHalData->IntArray[0])&pHalData->IntrMask[0])!=0 ||
536 ((pHalData->IntArray[1])&pHalData->IntrMask[1])!=0);
541 static void usb_read_interrupt_complete(struct urb *purb, struct pt_regs *regs)
544 PADAPTER padapter = (PADAPTER)purb->context;
547 if(padapter->bSurpriseRemoved || padapter->bDriverStopped||padapter->bReadPortCancel)
549 DBG_8723A("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n",
550 __FUNCTION__,padapter->bDriverStopped, padapter->bSurpriseRemoved,padapter->bReadPortCancel);
554 if (purb->status == 0)//SUCCESS
556 struct c2h_evt_hdr *c2h_evt = (struct c2h_evt_hdr *)purb->transfer_buffer;
558 if (purb->actual_length > USB_INTR_CONTENT_LENGTH) {
559 DBG_8723A("usb_read_interrupt_complete: purb->actual_length > USB_INTR_CONTENT_LENGTH\n");
563 InterruptRecognized8723AU(padapter, purb->transfer_buffer, purb->actual_length);
565 if (c2h_evt_exist(c2h_evt)) {
567 DBG_8723A("%s C2H == %d\n", __func__, c2h_evt->id);
568 if (c2h_id_filter_ccx_8723a(c2h_evt->id)) {
569 /* Handle CCX report here */
570 handle_txrpt_ccx_8723a(padapter, (void *)(c2h_evt->payload));
571 /* Replace with special pointer to trigger c2h_evt_clear */
572 if (rtw_cbuf_push(padapter->evtpriv.c2h_queue, (void*)&padapter->evtpriv) != _SUCCESS)
573 DBG_8723A("%s rtw_cbuf_push fail\n", __func__);
574 _set_workitem(&padapter->evtpriv.c2h_wk);
575 } else if ((c2h_evt = (struct c2h_evt_hdr *)rtw_malloc(16)) != NULL) {
576 _rtw_memcpy(c2h_evt, purb->transfer_buffer, 16);
577 if (rtw_cbuf_push(padapter->evtpriv.c2h_queue, (void*)c2h_evt) != _SUCCESS)
578 DBG_8723A("%s rtw_cbuf_push fail\n", __func__);
579 _set_workitem(&padapter->evtpriv.c2h_wk);
581 /* Error handling for malloc fail */
582 if (rtw_cbuf_push(padapter->evtpriv.c2h_queue, (void*)NULL) != _SUCCESS)
583 DBG_8723A("%s rtw_cbuf_push fail\n", __func__);
584 _set_workitem(&padapter->evtpriv.c2h_wk);
589 err = usb_submit_urb(purb, GFP_ATOMIC);
590 if ((err) && (err != (-EPERM)))
592 DBG_8723A("cannot submit interrupt in-token(err = 0x%08x),urb_status = %d\n",err, purb->status);
597 DBG_8723A("###=> usb_read_interrupt_complete => urb status(%d)\n", purb->status);
599 switch (purb->status)
605 //padapter->bSurpriseRemoved = _TRUE;
606 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bSurpriseRemoved=TRUE\n"));
608 padapter->bDriverStopped = _TRUE;
609 RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bDriverStopped=TRUE\n"));
614 DBG_8723A("ERROR: URB IS IN PROGRESS!/n");
622 static u32 usb_read_interrupt(struct intf_hdl *pintfhdl, u32 addr)
627 _adapter *adapter = pintfhdl->padapter;
628 struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter);
629 struct recv_priv *precvpriv = &adapter->recvpriv;
630 struct usb_device *pusbd = pdvobj->pusbdev;
634 //translate DMA FIFO addr to pipehandle
635 pipe = ffaddr2pipehdl(pdvobj, addr);
637 usb_fill_int_urb(precvpriv->int_in_urb, pusbd, pipe,
638 precvpriv->int_in_buf,
639 USB_INTR_CONTENT_LENGTH,
640 usb_read_interrupt_complete,
644 err = usb_submit_urb(precvpriv->int_in_urb, GFP_ATOMIC);
645 if((err) && (err != (-EPERM)))
647 DBG_8723A("cannot submit interrupt in-token(err = 0x%08x),urb_status = %d\n",err, precvpriv->int_in_urb->status);
657 #ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
658 static int recvbuf2recvframe(_adapter *padapter, struct recv_buf *precvbuf)
662 u16 pkt_cnt, drvinfo_sz;
663 u32 pkt_offset, skb_len, alloc_sz;
665 struct recv_stat *prxstat;
666 struct phy_stat *pphy_info = NULL;
667 _pkt *pkt_copy = NULL;
668 union recv_frame *precvframe = NULL;
669 struct rx_pkt_attrib *pattrib = NULL;
670 HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
671 struct recv_priv *precvpriv = &padapter->recvpriv;
672 _queue *pfree_recv_queue = &precvpriv->free_recv_queue;
675 transfer_len = (s32)precvbuf->transfer_len;
676 pbuf = precvbuf->pbuf;
678 prxstat = (struct recv_stat *)pbuf;
679 pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff;
681 #if 0 //temp remove when disable usb rx aggregation
682 if((pkt_cnt > 10) || (pkt_cnt < 1) || (transfer_len<RXDESC_SIZE) ||(pkt_len<=0))
689 RT_TRACE(_module_rtl871x_recv_c_, _drv_info_,
690 ("recvbuf2recvframe: rxdesc=offsset 0:0x%08x, 4:0x%08x, 8:0x%08x, C:0x%08x\n",
691 prxstat->rxdw0, prxstat->rxdw1, prxstat->rxdw2, prxstat->rxdw4));
693 prxstat = (struct recv_stat *)pbuf;
695 precvframe = rtw_alloc_recvframe(pfree_recv_queue);
698 RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: precvframe==NULL\n"));
699 DBG_8723A("%s()-%d: rtw_alloc_recvframe() failed! RX Drop!\n", __FUNCTION__, __LINE__);
700 goto _exit_recvbuf2recvframe;
703 _rtw_init_listhead(&precvframe->u.hdr.list);
704 precvframe->u.hdr.precvbuf = NULL; //can't access the precvbuf for new arch.
705 precvframe->u.hdr.len=0;
707 // rtl8192c_query_rx_desc_status(precvframe, prxstat);
708 update_recvframe_attrib(precvframe, prxstat);
710 pattrib = &precvframe->u.hdr.attrib;
712 if(pattrib->crc_err){
713 DBG_8723A("%s()-%d: RX Warning! rx CRC ERROR !!\n", __FUNCTION__, __LINE__);
714 rtw_free_recvframe(precvframe, pfree_recv_queue);
715 goto _exit_recvbuf2recvframe;
718 pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len;
720 if((pattrib->pkt_len<=0) || (pkt_offset>transfer_len))
722 RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("recvbuf2recvframe: pkt_len<=0\n"));
723 DBG_8723A("%s()-%d: RX Warning!\n", __FUNCTION__, __LINE__);
724 rtw_free_recvframe(precvframe, pfree_recv_queue);
725 goto _exit_recvbuf2recvframe;
728 // Modified by Albert 20101213
729 // For 8 bytes IP header alignment.
730 if (pattrib->qos) // Qos data, wireless lan header length is 26
739 skb_len = pattrib->pkt_len;
741 // for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet.
742 // modify alloc_sz for recvive crc error packet by thomas 2011-06-02
743 if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){
744 //alloc_sz = 1664; //1664 is 128 alignment.
748 alloc_sz = skb_len + 14;
752 // 6 is for IP header 8 bytes alignment in QoS packet case.
753 // 8 is for skb->data 4 bytes alignment.
757 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/netdev@vger.kernel.org/msg17214.html
758 pkt_copy = dev_alloc_skb(alloc_sz);
760 pkt_copy = netdev_alloc_skb(padapter->pnetdev, alloc_sz);
764 pkt_copy->dev = padapter->pnetdev;
765 precvframe->u.hdr.pkt = pkt_copy;
766 precvframe->u.hdr.rx_head = pkt_copy->data;
767 precvframe->u.hdr.rx_end = pkt_copy->data + alloc_sz;
768 skb_reserve( pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data ) & 7 ));//force pkt_copy->data at 8-byte alignment address
769 skb_reserve( pkt_copy, shift_sz );//force ip_hdr at 8-byte alignment address according to shift_sz.
770 _rtw_memcpy(pkt_copy->data, (pbuf + pattrib->shift_sz + pattrib->drvinfo_sz + RXDESC_SIZE), skb_len);
771 precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
775 DBG_8723A("recvbuf2recvframe:can not allocate memory for skb copy\n");
776 //precvframe->u.hdr.pkt = skb_clone(pskb, GFP_ATOMIC);
777 //precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pbuf;
778 //precvframe->u.hdr.rx_end = pbuf + (pkt_offset>1612?pkt_offset:1612);
780 precvframe->u.hdr.pkt = NULL;
781 rtw_free_recvframe(precvframe, pfree_recv_queue);
783 goto _exit_recvbuf2recvframe;
786 recvframe_put(precvframe, skb_len);
787 //recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE);
791 pphy_info = (struct phy_stat*)(pbuf + RXDESC_OFFSET);
792 update_recvframe_phyinfo(precvframe, pphy_info);
795 #ifdef CONFIG_USB_RX_AGGREGATION
796 switch(pHalData->UsbRxAggMode)
800 pkt_offset = (u16)_RND128(pkt_offset);
803 pkt_offset = (u16)_RND4(pkt_offset);
805 case USB_RX_AGG_DISABLE:
811 if(rtw_recv_entry(precvframe) != _SUCCESS)
813 RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n"));
817 transfer_len -= pkt_offset;
822 if(transfer_len>0 && pkt_cnt==0)
823 pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff;
825 }while((transfer_len>0) && (pkt_cnt>0));
827 _exit_recvbuf2recvframe:
832 void rtl8192cu_recv_tasklet(void *priv)
834 struct recv_buf *precvbuf = NULL;
835 _adapter *padapter = (_adapter*)priv;
836 struct recv_priv *precvpriv = &padapter->recvpriv;
838 while (NULL != (precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue)))
840 if ((padapter->bDriverStopped == _TRUE)||(padapter->bSurpriseRemoved== _TRUE))
842 DBG_8723A("recv_tasklet => bDriverStopped or bSurpriseRemoved \n");
848 recvbuf2recvframe(padapter, precvbuf);
850 rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
855 static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
857 struct recv_buf *precvbuf = (struct recv_buf *)purb->context;
858 _adapter *padapter =(_adapter *)precvbuf->adapter;
859 struct recv_priv *precvpriv = &padapter->recvpriv;
861 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete!!!\n"));
863 precvpriv->rx_pending_cnt --;
865 if(padapter->bSurpriseRemoved || padapter->bDriverStopped||padapter->bReadPortCancel)
867 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)\n", padapter->bDriverStopped, padapter->bSurpriseRemoved));
872 if(purb->status==0)//SUCCESS
874 if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE))
876 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete: (purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)\n"));
878 rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
882 rtw_reset_continual_urb_error(adapter_to_dvobj(padapter));
884 precvbuf->transfer_len = purb->actual_length;
886 //rtw_enqueue_rx_transfer_buffer(precvpriv, rx_transfer_buf);
887 rtw_enqueue_recvbuf(precvbuf, &precvpriv->recv_buf_pending_queue);
889 tasklet_schedule(&precvpriv->recv_tasklet);
894 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete : purb->status(%d) != 0 \n", purb->status));
896 DBG_8723A("###=> usb_read_port_complete => urb status(%d)\n", purb->status);
898 if(rtw_inc_and_chk_continual_urb_error(adapter_to_dvobj(padapter)) == _TRUE ){
899 padapter->bSurpriseRemoved = _TRUE;
902 switch(purb->status) {
907 //padapter->bSurpriseRemoved=_TRUE;
908 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bSurpriseRemoved=TRUE\n"));
910 padapter->bDriverStopped=_TRUE;
911 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped=TRUE\n"));
915 #ifdef DBG_CONFIG_ERROR_DETECT
917 HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
918 pHalData->srestpriv.Wifi_Error_Status = USB_READ_PORT_FAIL;
921 rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
924 DBG_8723A("ERROR: URB IS IN PROGRESS!/n");
938 static u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
944 struct recv_buf *precvbuf = (struct recv_buf *)rmem;
945 _adapter *adapter = pintfhdl->padapter;
946 struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter);
947 struct recv_priv *precvpriv = &adapter->recvpriv;
948 struct usb_device *pusbd = pdvobj->pusbdev;
952 if(adapter->bDriverStopped || adapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)
954 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:( padapter->bDriverStopped ||padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
960 rtl8192cu_init_recvbuf(adapter, precvbuf);
964 precvpriv->rx_pending_cnt++;
966 purb = precvbuf->purb;
968 //translate DMA FIFO addr to pipehandle
969 pipe = ffaddr2pipehdl(pdvobj, addr);
971 usb_fill_bulk_urb(purb, pusbd, pipe,
974 usb_read_port_complete,
975 precvbuf);//context is precvbuf
977 purb->transfer_dma = precvbuf->dma_transfer_addr;
978 purb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
980 err = usb_submit_urb(purb, GFP_ATOMIC);
981 if((err) && (err != (-EPERM)))
983 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("cannot submit rx in-token(err=0x%.8x), URB_STATUS =0x%.8x", err, purb->status));
984 DBG_8723A("cannot submit rx in-token(err = 0x%08x),urb_status = %d\n",err,purb->status);
993 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:precvbuf ==NULL\n"));
1001 #else // CONFIG_USE_USB_BUFFER_ALLOC_RX
1002 static s32 pre_recv_entry(union recv_frame *precvframe, struct recv_stat *prxstat, struct phy_stat *pphy_info)
1005 #ifdef CONFIG_CONCURRENT_MODE
1006 u8 *primary_myid, *secondary_myid, *paddr1;
1007 union recv_frame *precvframe_if2 = NULL;
1008 _adapter *primary_padapter = precvframe->u.hdr.adapter;
1009 _adapter *secondary_padapter = primary_padapter->pbuddy_adapter;
1010 struct recv_priv *precvpriv = &primary_padapter->recvpriv;
1011 _queue *pfree_recv_queue = &precvpriv->free_recv_queue;
1012 u8 *pbuf = precvframe->u.hdr.rx_data;
1014 if(!secondary_padapter)
1017 paddr1 = GetAddr1Ptr(precvframe->u.hdr.rx_data);
1019 if(IS_MCAST(paddr1) == _FALSE)//unicast packets
1021 //primary_myid = myid(&primary_padapter->eeprompriv);
1022 secondary_myid = myid(&secondary_padapter->eeprompriv);
1024 if(_rtw_memcmp(paddr1, secondary_myid, ETH_ALEN))
1026 //change to secondary interface
1027 precvframe->u.hdr.adapter = secondary_padapter;
1030 //ret = recv_entry(precvframe);
1033 else // Handle BC/MC Packets
1038 u8 type, subtype, *paddr2, *paddr3;
1040 type = GetFrameType(pbuf);
1041 subtype = GetFrameSubType(pbuf); //bit(7)~bit(2)
1045 case WIFI_MGT_TYPE: //Handle BC/MC mgnt Packets
1046 if(subtype == WIFI_BEACON)
1048 paddr3 = GetAddr3Ptr(precvframe->u.hdr.rx_data);
1050 if (check_fwstate(&secondary_padapter->mlmepriv, _FW_LINKED) &&
1051 _rtw_memcmp(paddr3, get_bssid(&secondary_padapter->mlmepriv), ETH_ALEN))
1053 //change to secondary interface
1054 precvframe->u.hdr.adapter = secondary_padapter;
1058 if(check_fwstate(&primary_padapter->mlmepriv, _FW_LINKED) &&
1059 _rtw_memcmp(paddr3, get_bssid(&primary_padapter->mlmepriv), ETH_ALEN))
1070 precvframe->u.hdr.adapter = primary_padapter;
1073 if(check_fwstate(&primary_padapter->mlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) ||
1074 check_fwstate(&secondary_padapter->mlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING))
1077 precvframe->u.hdr.adapter = primary_padapter;
1081 else if(subtype == WIFI_PROBEREQ)
1083 //probe req frame is only for interface2
1084 //change to secondary interface
1085 precvframe->u.hdr.adapter = secondary_padapter;
1089 case WIFI_CTRL_TYPE: // Handle BC/MC ctrl Packets
1092 case WIFI_DATA_TYPE: //Handle BC/MC data Packets
1093 //Notes: AP MODE never rx BC/MC data packets
1095 paddr2 = GetAddr2Ptr(precvframe->u.hdr.rx_data);
1097 if(_rtw_memcmp(paddr2, get_bssid(&secondary_padapter->mlmepriv), ETH_ALEN))
1099 //change to secondary interface
1100 precvframe->u.hdr.adapter = secondary_padapter;
1115 u32 alloc_sz, skb_len;
1116 _pkt *pkt_copy = NULL;
1117 struct rx_pkt_attrib *pattrib = NULL;
1119 precvframe_if2 = rtw_alloc_recvframe(pfree_recv_queue);
1122 precvframe_if2->u.hdr.adapter = secondary_padapter;
1124 _rtw_init_listhead(&precvframe_if2->u.hdr.list);
1125 precvframe_if2->u.hdr.precvbuf = NULL; //can't access the precvbuf for new arch.
1126 precvframe_if2->u.hdr.len=0;
1128 _rtw_memcpy(&precvframe_if2->u.hdr.attrib, &precvframe->u.hdr.attrib, sizeof(struct rx_pkt_attrib));
1130 pattrib = &precvframe_if2->u.hdr.attrib;
1132 // Modified by Albert 20101213
1133 // For 8 bytes IP header alignment.
1134 if (pattrib->qos) // Qos data, wireless lan header length is 26
1143 skb_len = pattrib->pkt_len;
1145 // for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet.
1146 // modify alloc_sz for recvive crc error packet by thomas 2011-06-02
1147 if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){
1148 //alloc_sz = 1664; //1664 is 128 alignment.
1152 alloc_sz = skb_len + 14;
1156 // 6 is for IP header 8 bytes alignment in QoS packet case.
1157 // 8 is for skb->data 4 bytes alignment.
1161 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/netdev@vger.kernel.org/msg17214.html
1162 pkt_copy = dev_alloc_skb(alloc_sz);
1164 pkt_copy = netdev_alloc_skb(secondary_padapter->pnetdev, alloc_sz);
1168 pkt_copy->dev = secondary_padapter->pnetdev;
1169 precvframe_if2->u.hdr.pkt = pkt_copy;
1170 precvframe_if2->u.hdr.rx_head = pkt_copy->data;
1171 precvframe_if2->u.hdr.rx_end = pkt_copy->data + alloc_sz;
1172 skb_reserve( pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data ) & 7 ));//force pkt_copy->data at 8-byte alignment address
1173 skb_reserve( pkt_copy, shift_sz );//force ip_hdr at 8-byte alignment address according to shift_sz.
1174 _rtw_memcpy(pkt_copy->data, pbuf, skb_len);
1175 precvframe_if2->u.hdr.rx_data = precvframe_if2->u.hdr.rx_tail = pkt_copy->data;
1178 recvframe_put(precvframe_if2, skb_len);
1179 //recvframe_pull(precvframe_if2, drvinfo_sz + RXDESC_SIZE);
1181 update_recvframe_phyinfo(precvframe_if2, pphy_info);
1182 //rtl8192c_translate_rx_signal_stuff(precvframe_if2, pphy_info);
1184 ret = rtw_recv_entry(precvframe_if2);
1187 rtw_free_recvframe(precvframe_if2, pfree_recv_queue);
1188 DBG_8723A("%s()-%d: alloc_skb() failed!\n", __FUNCTION__, __LINE__);
1197 ret = rtw_recv_entry(precvframe);
1205 static int recvbuf2recvframe(_adapter *padapter, _pkt *pskb)
1210 u32 pkt_offset, skb_len, alloc_sz;
1212 struct recv_stat *prxstat;
1213 struct phy_stat *pphy_info = NULL;
1214 _pkt *pkt_copy = NULL;
1215 union recv_frame *precvframe = NULL;
1216 struct rx_pkt_attrib *pattrib = NULL;
1217 HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
1218 struct recv_priv *precvpriv = &padapter->recvpriv;
1219 _queue *pfree_recv_queue = &precvpriv->free_recv_queue;
1222 transfer_len = (s32)pskb->len;
1225 prxstat = (struct recv_stat *)pbuf;
1226 pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff;
1228 #if 0 //temp remove when disable usb rx aggregation
1229 if((pkt_cnt > 10) || (pkt_cnt < 1) || (transfer_len<RXDESC_SIZE) ||(pkt_len<=0))
1236 RT_TRACE(_module_rtl871x_recv_c_, _drv_info_,
1237 ("recvbuf2recvframe: rxdesc=offsset 0:0x%08x, 4:0x%08x, 8:0x%08x, C:0x%08x\n",
1238 prxstat->rxdw0, prxstat->rxdw1, prxstat->rxdw2, prxstat->rxdw4));
1240 prxstat = (struct recv_stat *)pbuf;
1242 precvframe = rtw_alloc_recvframe(pfree_recv_queue);
1243 if(precvframe==NULL)
1245 RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: precvframe==NULL\n"));
1246 DBG_8723A("%s()-%d: rtw_alloc_recvframe() failed! RX Drop!\n", __FUNCTION__, __LINE__);
1247 goto _exit_recvbuf2recvframe;
1250 _rtw_init_listhead(&precvframe->u.hdr.list);
1251 precvframe->u.hdr.precvbuf = NULL; //can't access the precvbuf for new arch.
1252 precvframe->u.hdr.len=0;
1254 // rtl8192c_query_rx_desc_status(precvframe, prxstat);
1255 update_recvframe_attrib(precvframe, prxstat);
1257 pattrib = &precvframe->u.hdr.attrib;
1259 if(pattrib->crc_err){
1260 DBG_8723A("%s()-%d: RX Warning! rx CRC ERROR !!\n", __FUNCTION__, __LINE__);
1261 rtw_free_recvframe(precvframe, pfree_recv_queue);
1262 goto _exit_recvbuf2recvframe;
1265 pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len;
1267 if((pattrib->pkt_len<=0) || (pkt_offset>transfer_len))
1269 RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("recvbuf2recvframe: pkt_len<=0\n"));
1270 DBG_8723A("%s()-%d: RX Warning!\n", __FUNCTION__, __LINE__);
1271 rtw_free_recvframe(precvframe, pfree_recv_queue);
1272 goto _exit_recvbuf2recvframe;
1275 // Modified by Albert 20101213
1276 // For 8 bytes IP header alignment.
1277 if (pattrib->qos) // Qos data, wireless lan header length is 26
1286 skb_len = pattrib->pkt_len;
1288 // for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet.
1289 // modify alloc_sz for recvive crc error packet by thomas 2011-06-02
1290 if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){
1291 //alloc_sz = 1664; //1664 is 128 alignment.
1295 alloc_sz = skb_len + 14;
1299 // 6 is for IP header 8 bytes alignment in QoS packet case.
1300 // 8 is for skb->data 4 bytes alignment.
1304 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/netdev@vger.kernel.org/msg17214.html
1305 pkt_copy = dev_alloc_skb(alloc_sz);
1307 pkt_copy = netdev_alloc_skb(padapter->pnetdev, alloc_sz);
1311 pkt_copy->dev = padapter->pnetdev;
1312 precvframe->u.hdr.pkt = pkt_copy;
1313 precvframe->u.hdr.rx_head = pkt_copy->data;
1314 precvframe->u.hdr.rx_end = pkt_copy->data + alloc_sz;
1315 skb_reserve( pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data ) & 7 ));//force pkt_copy->data at 8-byte alignment address
1316 skb_reserve( pkt_copy, shift_sz );//force ip_hdr at 8-byte alignment address according to shift_sz.
1317 _rtw_memcpy(pkt_copy->data, (pbuf + pattrib->shift_sz + pattrib->drvinfo_sz + RXDESC_SIZE), skb_len);
1318 precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
1322 if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
1324 DBG_8723A("recvbuf2recvframe: alloc_skb fail , drop frag frame \n");
1325 rtw_free_recvframe(precvframe, pfree_recv_queue);
1326 goto _exit_recvbuf2recvframe;
1329 precvframe->u.hdr.pkt = skb_clone(pskb, GFP_ATOMIC);
1330 if(precvframe->u.hdr.pkt)
1332 precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail
1333 = pbuf+ pattrib->drvinfo_sz + RXDESC_SIZE;
1334 precvframe->u.hdr.rx_end = pbuf +pattrib->drvinfo_sz + RXDESC_SIZE+ alloc_sz;
1338 DBG_8723A("recvbuf2recvframe: skb_clone fail\n");
1339 rtw_free_recvframe(precvframe, pfree_recv_queue);
1340 goto _exit_recvbuf2recvframe;
1345 recvframe_put(precvframe, skb_len);
1346 //recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE);
1350 pphy_info = (struct phy_stat*)(pbuf + RXDESC_OFFSET);
1351 update_recvframe_phyinfo(precvframe, pphy_info);
1354 #ifdef CONFIG_USB_RX_AGGREGATION
1355 switch(pHalData->UsbRxAggMode)
1357 case USB_RX_AGG_DMA:
1358 case USB_RX_AGG_MIX:
1359 pkt_offset = (u16)_RND128(pkt_offset);
1361 case USB_RX_AGG_USB:
1362 pkt_offset = (u16)_RND4(pkt_offset);
1364 case USB_RX_AGG_DISABLE:
1370 #ifdef CONFIG_CONCURRENT_MODE
1371 if(pre_recv_entry(precvframe, prxstat, pphy_info) != _SUCCESS)
1373 RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n"));
1376 if(rtw_recv_entry(precvframe) != _SUCCESS)
1378 RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n"));
1383 transfer_len -= pkt_offset;
1388 if(transfer_len>0 && pkt_cnt==0)
1389 pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff;
1391 }while((transfer_len>0) && (pkt_cnt>0));
1393 _exit_recvbuf2recvframe:
1398 void rtl8192cu_recv_tasklet(void *priv)
1401 _adapter *padapter = (_adapter*)priv;
1402 struct recv_priv *precvpriv = &padapter->recvpriv;
1404 while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue)))
1406 if ((padapter->bDriverStopped == _TRUE)||(padapter->bSurpriseRemoved== _TRUE))
1408 DBG_8723A("recv_tasklet => bDriverStopped or bSurpriseRemoved \n");
1409 dev_kfree_skb_any(pskb);
1413 recvbuf2recvframe(padapter, pskb);
1415 #ifdef CONFIG_PREALLOC_RECV_SKB
1417 skb_reset_tail_pointer(pskb);
1421 skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
1424 dev_kfree_skb_any(pskb);
1432 static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
1436 struct recv_buf *precvbuf = (struct recv_buf *)purb->context;
1437 _adapter *padapter =(_adapter *)precvbuf->adapter;
1438 struct recv_priv *precvpriv = &padapter->recvpriv;
1440 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete!!!\n"));
1442 //_enter_critical(&precvpriv->lock, &irqL);
1443 //precvbuf->irp_pending=_FALSE;
1444 //precvpriv->rx_pending_cnt --;
1445 //_exit_critical(&precvpriv->lock, &irqL);
1447 precvpriv->rx_pending_cnt --;
1449 //if(precvpriv->rx_pending_cnt== 0)
1451 // RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete: rx_pending_cnt== 0, set allrxreturnevt!\n"));
1452 // _rtw_up_sema(&precvpriv->allrxreturnevt);
1455 if(padapter->bSurpriseRemoved || padapter->bDriverStopped||padapter->bReadPortCancel)
1457 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)\n", padapter->bDriverStopped, padapter->bSurpriseRemoved));
1459 #ifdef CONFIG_PREALLOC_RECV_SKB
1460 precvbuf->reuse = _TRUE;
1463 DBG_8723A("==> free skb(%p)\n",precvbuf->pskb);
1464 dev_kfree_skb_any(precvbuf->pskb);
1467 DBG_8723A("%s()-%d: RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n",
1468 __FUNCTION__, __LINE__,padapter->bDriverStopped, padapter->bSurpriseRemoved,padapter->bReadPortCancel);
1472 if(purb->status==0)//SUCCESS
1474 if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE))
1476 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete: (purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)\n"));
1477 precvbuf->reuse = _TRUE;
1478 rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
1479 DBG_8723A("%s()-%d: RX Warning!\n", __FUNCTION__, __LINE__);
1483 rtw_reset_continual_urb_error(adapter_to_dvobj(padapter));
1485 precvbuf->transfer_len = purb->actual_length;
1486 skb_put(precvbuf->pskb, purb->actual_length);
1487 skb_queue_tail(&precvpriv->rx_skb_queue, precvbuf->pskb);
1489 if (skb_queue_len(&precvpriv->rx_skb_queue)<=1)
1490 tasklet_schedule(&precvpriv->recv_tasklet);
1492 precvbuf->pskb = NULL;
1493 precvbuf->reuse = _FALSE;
1494 rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
1499 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete : purb->status(%d) != 0 \n", purb->status));
1501 DBG_8723A("###=> usb_read_port_complete => urb status(%d)\n", purb->status);
1503 if(rtw_inc_and_chk_continual_urb_error(adapter_to_dvobj(padapter)) == _TRUE ){
1504 padapter->bSurpriseRemoved = _TRUE;
1507 switch(purb->status) {
1512 //padapter->bSurpriseRemoved=_TRUE;
1513 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bSurpriseRemoved=TRUE\n"));
1515 padapter->bDriverStopped=_TRUE;
1516 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped=TRUE\n"));
1520 #ifdef DBG_CONFIG_ERROR_DETECT
1522 HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
1523 pHalData->srestpriv.Wifi_Error_Status = USB_READ_PORT_FAIL;
1526 precvbuf->reuse = _TRUE;
1527 rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
1530 DBG_8723A("ERROR: URB IS IN PROGRESS!/n");
1544 static u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
1550 SIZE_PTR alignment=0;
1553 struct recv_buf *precvbuf = (struct recv_buf *)rmem;
1554 _adapter *adapter = pintfhdl->padapter;
1555 struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter);
1556 struct recv_priv *precvpriv = &adapter->recvpriv;
1557 struct usb_device *pusbd = pdvobj->pusbdev;
1562 if(adapter->bDriverStopped || adapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)
1564 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:( padapter->bDriverStopped ||padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
1568 #ifdef CONFIG_PREALLOC_RECV_SKB
1569 if((precvbuf->reuse == _FALSE) || (precvbuf->pskb == NULL))
1571 if (NULL != (precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue)))
1573 precvbuf->reuse = _TRUE;
1581 rtl8192cu_init_recvbuf(adapter, precvbuf);
1583 //re-assign for linux based on skb
1584 if((precvbuf->reuse == _FALSE) || (precvbuf->pskb == NULL))
1586 //precvbuf->pskb = alloc_skb(MAX_RECVBUF_SZ, GFP_ATOMIC);//don't use this after v2.6.25
1587 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/netdev@vger.kernel.org/msg17214.html
1588 precvbuf->pskb = dev_alloc_skb(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
1590 precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
1592 if(precvbuf->pskb == NULL)
1594 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("init_recvbuf(): alloc_skb fail!\n"));
1598 tmpaddr = (SIZE_PTR)precvbuf->pskb->data;
1599 alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
1600 skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
1602 precvbuf->phead = precvbuf->pskb->head;
1603 precvbuf->pdata = precvbuf->pskb->data;
1604 precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
1605 precvbuf->pend = skb_end_pointer(precvbuf->pskb);
1606 precvbuf->pbuf = precvbuf->pskb->data;
1610 precvbuf->phead = precvbuf->pskb->head;
1611 precvbuf->pdata = precvbuf->pskb->data;
1612 precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
1613 precvbuf->pend = skb_end_pointer(precvbuf->pskb);
1614 precvbuf->pbuf = precvbuf->pskb->data;
1616 precvbuf->reuse = _FALSE;
1619 //_enter_critical(&precvpriv->lock, &irqL);
1620 //precvpriv->rx_pending_cnt++;
1621 //precvbuf->irp_pending = _TRUE;
1622 //_exit_critical(&precvpriv->lock, &irqL);
1624 precvpriv->rx_pending_cnt++;
1626 purb = precvbuf->purb;
1628 //translate DMA FIFO addr to pipehandle
1629 pipe = ffaddr2pipehdl(pdvobj, addr);
1631 usb_fill_bulk_urb(purb, pusbd, pipe,
1634 usb_read_port_complete,
1635 precvbuf);//context is precvbuf
1637 err = usb_submit_urb(purb, GFP_ATOMIC);
1638 if((err) && (err != (-EPERM)))
1640 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("cannot submit rx in-token(err=0x%.8x), URB_STATUS =0x%.8x", err, purb->status));
1641 DBG_8723A("cannot submit rx in-token(err = 0x%08x),urb_status = %d\n",err,purb->status);
1647 RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:precvbuf ==NULL\n"));
1655 #endif // CONFIG_USE_USB_BUFFER_ALLOC_RX
1657 void rtl8192cu_xmit_tasklet(void *priv)
1660 _adapter *padapter = (_adapter*)priv;
1661 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
1663 if(check_fwstate(&padapter->mlmepriv, _FW_UNDER_SURVEY) == _TRUE)
1668 if ((padapter->bDriverStopped == _TRUE)||(padapter->bSurpriseRemoved== _TRUE) || (padapter->bWritePortCancel == _TRUE))
1670 DBG_8723A("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n");
1674 ret = rtl8192cu_xmitframe_complete(padapter, pxmitpriv, NULL);
1683 void rtl8723au_set_intf_ops(struct _io_ops *pops)
1687 _rtw_memset((u8 *)pops, 0, sizeof(struct _io_ops));
1689 pops->_read8 = &usb_read8;
1690 pops->_read16 = &usb_read16;
1691 pops->_read32 = &usb_read32;
1692 pops->_read_mem = &usb_read_mem;
1693 pops->_read_port = &usb_read_port;
1695 pops->_write8 = &usb_write8;
1696 pops->_write16 = &usb_write16;
1697 pops->_write32 = &usb_write32;
1698 pops->_writeN = &usb_writeN;
1700 #ifdef CONFIG_USB_SUPPORT_ASYNC_VDN_REQ
1701 pops->_write8_async= &usb_async_write8;
1702 pops->_write16_async = &usb_async_write16;
1703 pops->_write32_async = &usb_async_write32;
1705 pops->_write_mem = &usb_write_mem;
1706 pops->_write_port = &usb_write_port;
1708 pops->_read_port_cancel = &usb_read_port_cancel;
1709 pops->_write_port_cancel = &usb_write_port_cancel;
1711 #ifdef CONFIG_USB_INTERRUPT_IN_PIPE
1712 pops->_read_interrupt = &usb_read_interrupt;
1718 void rtl8723au_set_hw_type(_adapter *padapter)
1720 padapter->chip_type = RTL8723A;
1721 padapter->HardwareType = HARDWARE_TYPE_RTL8723AU;
1722 DBG_8723A("CHIP TYPE: RTL8723A\n");