diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/usb_ops_linux.c')
| -rwxr-xr-x | drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/usb_ops_linux.c | 1716 |
1 files changed, 1716 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/usb_ops_linux.c b/drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/usb_ops_linux.c new file mode 100755 index 000000000000..eb6a5bfaf33e --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8723as/hal/rtl8723a/usb/usb_ops_linux.c @@ -0,0 +1,1716 @@ +/****************************************************************************** + * + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * + ******************************************************************************/ +#define _HCI_OPS_OS_C_ + +#include <drv_conf.h> +#include <osdep_service.h> +#include <drv_types.h> +#include <osdep_intf.h> +#include <usb_ops.h> +#include <circ_buf.h> +#include <recv_osdep.h> +//#include <rtl8192c_hal.h> +#include <rtl8723a_hal.h> +#include <rtl8723a_recv.h> +#if defined (PLATFORM_LINUX) && defined (PLATFORM_WINDOWS) + +#error "Shall be Linux or Windows, but not both!\n" + +#endif + +static int usbctrl_vendorreq(struct intf_hdl *pintfhdl, u8 request, u16 value, u16 index, void *pdata, u16 len, u8 requesttype) +{ + _adapter *padapter = pintfhdl->padapter ; + struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter); + struct usb_device *udev=pdvobjpriv->pusbdev; + + unsigned int pipe; + int status = 0; + u32 tmp_buflen=0; + u8 reqtype; + u8 *pIo_buf; + int vendorreq_times = 0; + + #ifdef CONFIG_USB_VENDOR_REQ_BUFFER_DYNAMIC_ALLOCATE + u8 *tmp_buf; + #else // use stack memory + u8 tmp_buf[MAX_USB_IO_CTL_SIZE]; + #endif + +#ifdef CONFIG_CONCURRENT_MODE + if(padapter->adapter_type > PRIMARY_ADAPTER) + { + padapter = padapter->pbuddy_adapter; + pdvobjpriv = adapter_to_dvobj(padapter); + udev = pdvobjpriv->pusbdev; + } +#endif + + + //DBG_871X("%s %s:%d\n",__FUNCTION__, current->comm, current->pid); + + if((padapter->bSurpriseRemoved) ||(dvobj_to_pwrctl(pdvobjpriv)->pnp_bstop_trx)){ + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usbctrl_vendorreq:(padapter->bSurpriseRemoved ||pwrctl->pnp_bstop_trx)!!!\n")); + status = -EPERM; + goto exit; + } + + if(len>MAX_VENDOR_REQ_CMD_SIZE){ + DBG_8192C( "[%s] Buffer len error ,vendor request failed\n", __FUNCTION__ ); + status = -EINVAL; + goto exit; + } + + #ifdef CONFIG_USB_VENDOR_REQ_MUTEX + _enter_critical_mutex(&pdvobjpriv->usb_vendor_req_mutex, NULL); + #endif + + + // Acquire IO memory for vendorreq +#ifdef CONFIG_USB_VENDOR_REQ_BUFFER_PREALLOC + pIo_buf = pdvobjpriv->usb_vendor_req_buf; +#else + #ifdef CONFIG_USB_VENDOR_REQ_BUFFER_DYNAMIC_ALLOCATE + tmp_buf = rtw_malloc( (u32) len + ALIGNMENT_UNIT); + tmp_buflen = (u32)len + ALIGNMENT_UNIT; + #else // use stack memory + tmp_buflen = MAX_USB_IO_CTL_SIZE; + #endif + + // Added by Albert 2010/02/09 + // For mstar platform, mstar suggests the address for USB IO should be 16 bytes alignment. + // Trying to fix it here. + pIo_buf = (tmp_buf==NULL)?NULL:tmp_buf + ALIGNMENT_UNIT -((SIZE_PTR)(tmp_buf) & 0x0f ); +#endif + + if ( pIo_buf== NULL) { + DBG_8192C( "[%s] pIo_buf == NULL \n", __FUNCTION__ ); + status = -ENOMEM; + goto release_mutex; + } + + while(++vendorreq_times<= MAX_USBCTRL_VENDORREQ_TIMES) + { + _rtw_memset(pIo_buf, 0, len); + + if (requesttype == 0x01) + { + pipe = usb_rcvctrlpipe(udev, 0);//read_in + reqtype = REALTEK_USB_VENQT_READ; + } + else + { + pipe = usb_sndctrlpipe(udev, 0);//write_out + reqtype = REALTEK_USB_VENQT_WRITE; + _rtw_memcpy( pIo_buf, pdata, len); + } + + #if 0 + //timeout test for firmware downloading + status = rtw_usb_control_msg(udev, pipe, request, reqtype, value, index, pIo_buf, len + , ((value >= FW_8192C_START_ADDRESS && value <= FW_8192C_END_ADDRESS) ||value!=0x1000) ?RTW_USB_CONTROL_MSG_TIMEOUT : RTW_USB_CONTROL_MSG_TIMEOUT_TEST + ); + #else + status = rtw_usb_control_msg(udev, pipe, request, reqtype, value, index, pIo_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT); + #endif + + if ( status == len) // Success this control transfer. + { + rtw_reset_continual_io_error(pdvobjpriv); + if ( requesttype == 0x01 ) + { // For Control read transfer, we have to copy the read data from pIo_buf to pdata. + _rtw_memcpy( pdata, pIo_buf, len ); + } + } + else { // error cases + DBG_8192C("reg 0x%x, usb %s %u fail, status:%d value=0x%x, vendorreq_times:%d\n" + , value,(requesttype == 0x01)?"read":"write" , len, status, *(u32*)pdata, vendorreq_times); + + if (status < 0) { + if(status == (-ESHUTDOWN) || status == -ENODEV ) + { + padapter->bSurpriseRemoved = _TRUE; + } else { + #ifdef DBG_CONFIG_ERROR_DETECT + { + HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); + pHalData->srestpriv.Wifi_Error_Status = USB_VEN_REQ_CMD_FAIL; + } + #endif + } + } + else // status != len && status >= 0 + { + if(status > 0) { + if ( requesttype == 0x01 ) + { // For Control read transfer, we have to copy the read data from pIo_buf to pdata. + _rtw_memcpy( pdata, pIo_buf, len ); + } + } + } + + if(rtw_inc_and_chk_continual_io_error(pdvobjpriv) == _TRUE ){ + padapter->bSurpriseRemoved = _TRUE; + break; + } + + } + + // firmware download is checksumed, don't retry + if( (value >= FW_8723A_START_ADDRESS && value <= FW_8723A_END_ADDRESS) || status == len ) + break; + + } + + // release IO memory used by vendorreq + #ifdef CONFIG_USB_VENDOR_REQ_BUFFER_DYNAMIC_ALLOCATE + rtw_mfree(tmp_buf, tmp_buflen); + #endif + +release_mutex: + #ifdef CONFIG_USB_VENDOR_REQ_MUTEX + _exit_critical_mutex(&pdvobjpriv->usb_vendor_req_mutex, NULL); + #endif +exit: + return status; + +} + +static u8 usb_read8(struct intf_hdl *pintfhdl, u32 addr) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + u8 data=0; + + _func_enter_; + + request = 0x05; + requesttype = 0x01;//read_in + index = 0;//n/a + + wvalue = (u16)(addr&0x0000ffff); + len = 1; + + usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype); + + _func_exit_; + + return data; + +} + +static u16 usb_read16(struct intf_hdl *pintfhdl, u32 addr) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + u16 data=0; + + _func_enter_; + + request = 0x05; + requesttype = 0x01;//read_in + index = 0;//n/a + + wvalue = (u16)(addr&0x0000ffff); + len = 2; + + usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype); + + _func_exit_; + + return data; + +} + +static u32 usb_read32(struct intf_hdl *pintfhdl, u32 addr) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + u32 data=0; + + _func_enter_; + + request = 0x05; + requesttype = 0x01;//read_in + index = 0;//n/a + + wvalue = (u16)(addr&0x0000ffff); + len = 4; + + usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype); + + _func_exit_; + + return data; + +} + +static int usb_write8(struct intf_hdl *pintfhdl, u32 addr, u8 val) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + u8 data; + int ret; + + _func_enter_; + + request = 0x05; + requesttype = 0x00;//write_out + index = 0;//n/a + + wvalue = (u16)(addr&0x0000ffff); + len = 1; + + data = val; + + ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype); + + _func_exit_; + + return ret; + +} + +static int usb_write16(struct intf_hdl *pintfhdl, u32 addr, u16 val) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + u16 data; + int ret; + + _func_enter_; + + request = 0x05; + requesttype = 0x00;//write_out + index = 0;//n/a + + wvalue = (u16)(addr&0x0000ffff); + len = 2; + + data = val; + + ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype); + + _func_exit_; + + return ret; + +} + +static int usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + u32 data; + int ret; + + _func_enter_; + + request = 0x05; + requesttype = 0x00;//write_out + index = 0;//n/a + + wvalue = (u16)(addr&0x0000ffff); + len = 4; + data = val; + + + ret =usbctrl_vendorreq(pintfhdl, request, wvalue, index, &data, len, requesttype); + + _func_exit_; + + return ret; + +} + +static int usb_writeN(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata) +{ + u8 request; + u8 requesttype; + u16 wvalue; + u16 index; + u16 len; + u8 buf[VENDOR_CMD_MAX_DATA_LEN]={0}; + int ret; + + _func_enter_; + + request = 0x05; + requesttype = 0x00;//write_out + index = 0;//n/a + + wvalue = (u16)(addr&0x0000ffff); + len = length; + _rtw_memcpy(buf, pdata, len ); + + ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, buf, len, requesttype); + + _func_exit_; + + return ret; + +} + +#ifdef CONFIG_USB_INTERRUPT_IN_PIPE +#if 0 +/** +* Log the Interrupt value and update counter no matter STA is associated or not. It is +* implemented for FPGA verification stage because we need to now whether the current FPGA +* platform is alive +* +* \param pAdapter The adapter context for this minoport +* \param IsrContent The ISR value read from hardware in MPISR +* +* We sholud remove this function later because DDK suggest not to executing too many +* operations in MPISR +*/ +VOID +LogInterruptHistory8723AU( + PADAPTER Adapter +) +{ + HAL_DATA_TYPE *pHalData=GET_HAL_DATA(Adapter); + +// if(pHalData->IntArray[0] & IMR_COMDOK) +// pHalData->InterruptLog.nIMR_COMDOK++; + if(pHalData->IntArray[0] & UHIMR_VODOK) + { + pHalData->InterruptLog.nIMR_VODOK++; + DBG_8192C("UHIMR_VODOK %d \n", pHalData->InterruptLog.nIMR_VODOK); + } + if(pHalData->IntArray[0] & UHIMR_VIDOK) + { + pHalData->InterruptLog.nIMR_VIDOK++; + DBG_8192C("UHIMR_VIDOK %d\n", pHalData->InterruptLog.nIMR_VIDOK); + } + if(pHalData->IntArray[0] & UHIMR_MGNTDOK) + { + pHalData->InterruptLog.nIMR_MGNTDOK++; + DBG_8192C("UHIMR_MGNTDOK %d\n", pHalData->InterruptLog.nIMR_MGNTDOK); + } + if(pHalData->IntArray[0] & UHIMR_BEDOK) + { + pHalData->InterruptLog.nIMR_BEDOK++; + DBG_8192C("UHIMR_BEDOK %d\n", pHalData->InterruptLog.nIMR_BEDOK); + } + if(pHalData->IntArray[0] & UHIMR_BKDOK) + { + pHalData->InterruptLog.nIMR_BKDOK++; + DBG_8192C("UHIMR_BKDOK %d\n", pHalData->InterruptLog.nIMR_BKDOK); + } + if(pHalData->IntArray[0] & UHIMR_ROK) + { + pHalData->InterruptLog.nIMR_ROK++; + DBG_8192C("UHIMR_ROK %d\n", pHalData->InterruptLog.nIMR_ROK); + } + + if(pHalData->IntArray[0] & UHIMR_TXBCNOK) + { + pHalData->InterruptLog.nIMR_TBDOK++; + DBG_8192C("UHIMR_TXBCNOK %d\n", pHalData->InterruptLog.nIMR_TBDOK); + } + if(pHalData->IntArray[0] & UHIMR_BCNDOK0) + { + pHalData->InterruptLog.nIMR_BDOK++; + DBG_8192C("UHIMR_BCNDOK0 %d\n", pHalData->InterruptLog.nIMR_BDOK); + } + if(pHalData->IntArray[0] & UHIMR_C2HCMD) + { + pHalData->InterruptLog.nIMR_C2HCMD++; + DBG_8192C("UHIMR_C2HCMD %d\n", pHalData->InterruptLog.nIMR_C2HCMD); + } + if(pHalData->IntArray[0] & UHIMR_CPWM) + { + pHalData->InterruptLog.nIMR_C2HCMD++; + DBG_8192C("UHIMR_CPWM %d\n", pHalData->InterruptLog.nIMR_CPWM); + } + +// if(pHalData->IntArray[0] & IMR_RXCMDOK) +// pHalData->InterruptLog.nIMR_RCOK++; + if(pHalData->IntArray[0] & UHIMR_RDU) + { + pHalData->InterruptLog.nIMR_RDU++; + DBG_8192C("UHIMR_RDU %d\n", pHalData->InterruptLog.nIMR_RDU); + } + + if(pHalData->IntArray[1] & UHIMR_RXFOVW) + { + pHalData->InterruptLog.nIMR_RXFOVW++; + DBG_8192C("UHIMR_RXFOVW %d\n", pHalData->InterruptLog.nIMR_RXFOVW); + } + + +} +#endif +// +// Description: +// Recognize the interrupt content by reading the interrupt register or content and masking interrupt mask (IMR) +// if it is our NIC's interrupt. After recognizing, we may clear the all interrupts (ISR). +// Arguments: +// [in] Adapter - +// The adapter context. +// [in] pContent - +// Under PCI interface, this field is ignord. +// Under USB interface, the content is the interrupt content pointer. +// Under SDIO interface, this is the interrupt type which is Local interrupt or system interrupt. +// [in] ContentLen - +// The length in byte of pContent. +// Return: +// If any interrupt matches the mask (IMR), return TRUE, and return FALSE otherwise. +// +BOOLEAN +InterruptRecognized8723AU( + IN PADAPTER Adapter, + IN PVOID pContent, + IN u32 ContentLen +) +{ + HAL_DATA_TYPE *pHalData=GET_HAL_DATA(Adapter); + u8 * buffer = (u8 *)pContent; +// RT_PRINT_DATA(COMP_RECV, DBG_LOUD, ("InterruptRecognized8723AU Interrupt buffer \n"), buffer, MAX_RECEIVE_INTERRUPT_BUFFER_SIZE(Adapter)); + + _rtw_memcpy(&(pHalData->IntArray[0]), &(buffer[USB_INTR_CONTENT_HISR_OFFSET]), 4); +// PlatformMoveMemory(&(pHalData->IntArray[0]), &(buffer[USB_INTR_CONTENT_HISR_OFFSET]), sizeof(u4Byte)); +// DBG_8192C("InterruptRecognized8723AU HISR = 0x%x HIMR = 0x%x\n", pHalData->IntArray[0],pHalData->IntrMask[0]); + pHalData->IntArray[0] &= pHalData->IntrMask[0]; + + //For HISR extension. Added by tynli. 2009.10.07. + _rtw_memcpy(&(pHalData->IntArray[1]), &(buffer[USB_INTR_CONTENT_HISRE_OFFSET]), 4); +// PlatformMoveMemory(&(pHalData->IntArray[1]), &(buffer[USB_INTR_CONTENT_HISRE_OFFSET]), sizeof(u4Byte)); +// DBG_8192C("InterruptRecognized8192CUsb HISRE = 0x%x HIMRE = 0x%x\n", pHalData->IntArray[1], pHalData->IntrMask[1]); + pHalData->IntArray[1] &= pHalData->IntrMask[1]; + + // We sholud remove this function later because DDK suggest not to executing too many operations in MPISR +// if(pHalData->IntArray[0] != 0) +// LogInterruptHistory8723AU(Adapter); + + { + struct reportpwrstate_parm report; + _rtw_memcpy(&report.state, &(buffer[USB_INTR_CPWM_OFFSET]), 1); +#ifdef CONFIG_LPS_LCLK + if( ((pHalData->IntArray[0])&UHIMR_CPWM)){ +// DBG_8192C("%s HIMR=0x%x\n",__func__,pHalData->IntArray[0]); + //cpwm_int_hdl(Adapter, &report); + _set_workitem(&(adapter_to_pwrctl(Adapter)->cpwm_event)); + pHalData->IntArray[0]&= ~UHIMR_CPWM; +// DBG_8192C("%s HIMR=0x%x\n",__func__,pHalData->IntArray[0]); + } +#endif + } + return (((pHalData->IntArray[0])&pHalData->IntrMask[0])!=0 || + ((pHalData->IntArray[1])&pHalData->IntrMask[1])!=0); + +} + + +static void usb_read_interrupt_complete(struct urb *purb, struct pt_regs *regs) +{ + int err; + PADAPTER padapter = (PADAPTER)purb->context; + + + if(padapter->bSurpriseRemoved || padapter->bDriverStopped||padapter->bReadPortCancel) + { + DBG_8192C("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n", + __FUNCTION__,padapter->bDriverStopped, padapter->bSurpriseRemoved,padapter->bReadPortCancel); + return; + } + + if (purb->status == 0)//SUCCESS + { + struct c2h_evt_hdr *c2h_evt = (struct c2h_evt_hdr *)purb->transfer_buffer; + + if (purb->actual_length > USB_INTR_CONTENT_LENGTH) { + DBG_8192C("usb_read_interrupt_complete: purb->actual_length > USB_INTR_CONTENT_LENGTH\n"); + goto urb_submit; + } + + InterruptRecognized8723AU(padapter, purb->transfer_buffer, purb->actual_length); + + if (c2h_evt_exist(c2h_evt)) { + if (0) + DBG_871X("%s C2H == %d\n", __func__, c2h_evt->id); + if (c2h_id_filter_ccx_8723a(c2h_evt->id)) { + /* Handle CCX report here */ + handle_txrpt_ccx_8723a(padapter, (void *)(c2h_evt->payload)); + /* Replace with special pointer to trigger c2h_evt_clear */ + if (rtw_cbuf_push(padapter->evtpriv.c2h_queue, (void*)&padapter->evtpriv) != _SUCCESS) + DBG_871X("%s rtw_cbuf_push fail\n", __func__); + _set_workitem(&padapter->evtpriv.c2h_wk); + } else if ((c2h_evt = (struct c2h_evt_hdr *)rtw_malloc(16)) != NULL) { + _rtw_memcpy(c2h_evt, purb->transfer_buffer, 16); + if (rtw_cbuf_push(padapter->evtpriv.c2h_queue, (void*)c2h_evt) != _SUCCESS) + DBG_871X("%s rtw_cbuf_push fail\n", __func__); + _set_workitem(&padapter->evtpriv.c2h_wk); + } else { + /* Error handling for malloc fail */ + if (rtw_cbuf_push(padapter->evtpriv.c2h_queue, (void*)NULL) != _SUCCESS) + DBG_871X("%s rtw_cbuf_push fail\n", __func__); + _set_workitem(&padapter->evtpriv.c2h_wk); + } + } + +urb_submit: + err = usb_submit_urb(purb, GFP_ATOMIC); + if ((err) && (err != (-EPERM))) + { + DBG_8192C("cannot submit interrupt in-token(err = 0x%08x),urb_status = %d\n",err, purb->status); + } + } + else + { + DBG_8192C("###=> usb_read_interrupt_complete => urb status(%d)\n", purb->status); + + switch (purb->status) + { + case -EINVAL: + case -EPIPE: + case -ENODEV: + case -ESHUTDOWN: + //padapter->bSurpriseRemoved = _TRUE; + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bSurpriseRemoved=TRUE\n")); + case -ENOENT: + padapter->bDriverStopped = _TRUE; + RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bDriverStopped=TRUE\n")); + break; + case -EPROTO: + break; + case -EINPROGRESS: + DBG_8192C("ERROR: URB IS IN PROGRESS!/n"); + break; + default: + break; + } + } +} + +static u32 usb_read_interrupt(struct intf_hdl *pintfhdl, u32 addr) +{ + int err; + unsigned int pipe; + u32 ret = _SUCCESS; + _adapter *adapter = pintfhdl->padapter; + struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter); + struct recv_priv *precvpriv = &adapter->recvpriv; + struct usb_device *pusbd = pdvobj->pusbdev; + +_func_enter_; + + //translate DMA FIFO addr to pipehandle + pipe = ffaddr2pipehdl(pdvobj, addr); + + usb_fill_int_urb(precvpriv->int_in_urb, pusbd, pipe, + precvpriv->int_in_buf, + USB_INTR_CONTENT_LENGTH, + usb_read_interrupt_complete, + adapter, + 1); + + err = usb_submit_urb(precvpriv->int_in_urb, GFP_ATOMIC); + if((err) && (err != (-EPERM))) + { + DBG_8192C("cannot submit interrupt in-token(err = 0x%08x),urb_status = %d\n",err, precvpriv->int_in_urb->status); + ret = _FAIL; + } + +_func_exit_; + + return ret; +} +#endif + +#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX +static int recvbuf2recvframe(_adapter *padapter, struct recv_buf *precvbuf) +{ + u8 *pbuf; + u8 shift_sz = 0; + u16 pkt_cnt, drvinfo_sz; + u32 pkt_offset, skb_len, alloc_sz; + s32 transfer_len; + struct recv_stat *prxstat; + struct phy_stat *pphy_info = NULL; + _pkt *pkt_copy = NULL; + union recv_frame *precvframe = NULL; + struct rx_pkt_attrib *pattrib = NULL; + HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); + struct recv_priv *precvpriv = &padapter->recvpriv; + _queue *pfree_recv_queue = &precvpriv->free_recv_queue; + + + transfer_len = (s32)precvbuf->transfer_len; + pbuf = precvbuf->pbuf; + + prxstat = (struct recv_stat *)pbuf; + pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff; + +#if 0 //temp remove when disable usb rx aggregation + if((pkt_cnt > 10) || (pkt_cnt < 1) || (transfer_len<RXDESC_SIZE) ||(pkt_len<=0)) + { + return _FAIL; + } +#endif + + do{ + RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, + ("recvbuf2recvframe: rxdesc=offsset 0:0x%08x, 4:0x%08x, 8:0x%08x, C:0x%08x\n", + prxstat->rxdw0, prxstat->rxdw1, prxstat->rxdw2, prxstat->rxdw4)); + + prxstat = (struct recv_stat *)pbuf; + + precvframe = rtw_alloc_recvframe(pfree_recv_queue); + if(precvframe==NULL) + { + RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: precvframe==NULL\n")); + DBG_8192C("%s()-%d: rtw_alloc_recvframe() failed! RX Drop!\n", __FUNCTION__, __LINE__); + goto _exit_recvbuf2recvframe; + } + + _rtw_init_listhead(&precvframe->u.hdr.list); + precvframe->u.hdr.precvbuf = NULL; //can't access the precvbuf for new arch. + precvframe->u.hdr.len=0; + +// rtl8192c_query_rx_desc_status(precvframe, prxstat); + update_recvframe_attrib(precvframe, prxstat); + + pattrib = &precvframe->u.hdr.attrib; + + if(padapter->registrypriv.mp_mode == 0) && (pattrib->crc_err)){ + DBG_8192C("%s()-%d: RX Warning! rx CRC ERROR !!\n", __FUNCTION__, __LINE__); + rtw_free_recvframe(precvframe, pfree_recv_queue); + goto _exit_recvbuf2recvframe; + } + + pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len; + + if((pattrib->pkt_len<=0) || (pkt_offset>transfer_len)) + { + RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("recvbuf2recvframe: pkt_len<=0\n")); + DBG_8192C("%s()-%d: RX Warning!\n", __FUNCTION__, __LINE__); + rtw_free_recvframe(precvframe, pfree_recv_queue); + goto _exit_recvbuf2recvframe; + } + + // Modified by Albert 20101213 + // For 8 bytes IP header alignment. + if (pattrib->qos) // Qos data, wireless lan header length is 26 + { + shift_sz = 6; + } + else + { + shift_sz = 0; + } + + skb_len = pattrib->pkt_len; + + // for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. + // modify alloc_sz for recvive crc error packet by thomas 2011-06-02 + if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){ + //alloc_sz = 1664; //1664 is 128 alignment. + if(skb_len <= 1650) + alloc_sz = 1664; + else + alloc_sz = skb_len + 14; + } + else { + alloc_sz = skb_len; + // 6 is for IP header 8 bytes alignment in QoS packet case. + // 8 is for skb->data 4 bytes alignment. + alloc_sz += 14; + } + + pkt_copy = rtw_skb_alloc(alloc_sz); + + if(pkt_copy) + { + pkt_copy->dev = padapter->pnetdev; + precvframe->u.hdr.pkt = pkt_copy; + precvframe->u.hdr.rx_head = pkt_copy->data; + precvframe->u.hdr.rx_end = pkt_copy->data + alloc_sz; + skb_reserve( pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data ) & 7 ));//force pkt_copy->data at 8-byte alignment address + skb_reserve( pkt_copy, shift_sz );//force ip_hdr at 8-byte alignment address according to shift_sz. + _rtw_memcpy(pkt_copy->data, (pbuf + pattrib->shift_sz + pattrib->drvinfo_sz + RXDESC_SIZE), skb_len); + precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data; + } + else + { + DBG_8192C("recvbuf2recvframe:can not allocate memory for skb copy\n"); + //precvframe->u.hdr.pkt = rtw_skb_clone(pskb); + //precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pbuf; + //precvframe->u.hdr.rx_end = pbuf + (pkt_offset>1612?pkt_offset:1612); + + precvframe->u.hdr.pkt = NULL; + rtw_free_recvframe(precvframe, pfree_recv_queue); + + goto _exit_recvbuf2recvframe; + } + + recvframe_put(precvframe, skb_len); + //recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE); + + if (pattrib->physt) + { + pphy_info = (struct phy_stat*)(pbuf + RXDESC_OFFSET); + update_recvframe_phyinfo(precvframe, pphy_info); + } + +#ifdef CONFIG_USB_RX_AGGREGATION + switch(pHalData->UsbRxAggMode) + { + case USB_RX_AGG_DMA: + case USB_RX_AGG_MIX: + pkt_offset = (u16)_RND128(pkt_offset); + break; + case USB_RX_AGG_USB: + pkt_offset = (u16)_RND4(pkt_offset); + break; + case USB_RX_AGG_DISABLE: + default: + break; + } +#endif + + if(rtw_recv_entry(precvframe) != _SUCCESS) + { + RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n")); + } + + pkt_cnt--; + transfer_len -= pkt_offset; + pbuf += pkt_offset; + precvframe = NULL; + pkt_copy = NULL; + + if(transfer_len>0 && pkt_cnt==0) + pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff; + + }while((transfer_len>0) && (pkt_cnt>0)); + +_exit_recvbuf2recvframe: + + return _SUCCESS; +} + +void rtl8192cu_recv_tasklet(void *priv) +{ + struct recv_buf *precvbuf = NULL; + _adapter *padapter = (_adapter*)priv; + struct recv_priv *precvpriv = &padapter->recvpriv; + + while (NULL != (precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue))) + { + if ((padapter->bDriverStopped == _TRUE)||(padapter->bSurpriseRemoved== _TRUE)) + { + DBG_8192C("recv_tasklet => bDriverStopped or bSurpriseRemoved \n"); + + break; + } + + + recvbuf2recvframe(padapter, precvbuf); + + rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); + } + +} + +static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs) +{ + struct recv_buf *precvbuf = (struct recv_buf *)purb->context; + _adapter *padapter =(_adapter *)precvbuf->adapter; + struct recv_priv *precvpriv = &padapter->recvpriv; + + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete!!!\n")); + + precvpriv->rx_pending_cnt --; + + if(padapter->bSurpriseRemoved || padapter->bDriverStopped||padapter->bReadPortCancel) + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)\n", padapter->bDriverStopped, padapter->bSurpriseRemoved)); + + goto exit; + } + + if(purb->status==0)//SUCCESS + { + if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)) + { + 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")); + + rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); + } + else + { + rtw_reset_continual_io_error(adapter_to_dvobj(padapter)); + + precvbuf->transfer_len = purb->actual_length; + + //rtw_enqueue_rx_transfer_buffer(precvpriv, rx_transfer_buf); + rtw_enqueue_recvbuf(precvbuf, &precvpriv->recv_buf_pending_queue); + + tasklet_schedule(&precvpriv->recv_tasklet); + } + } + else + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete : purb->status(%d) != 0 \n", purb->status)); + + DBG_8192C("###=> usb_read_port_complete => urb status(%d)\n", purb->status); + + if(rtw_inc_and_chk_continual_io_error(adapter_to_dvobj(padapter)) == _TRUE ){ + padapter->bSurpriseRemoved = _TRUE; + } + + switch(purb->status) { + case -EINVAL: + case -EPIPE: + case -ENODEV: + case -ESHUTDOWN: + //padapter->bSurpriseRemoved=_TRUE; + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bSurpriseRemoved=TRUE\n")); + case -ENOENT: + padapter->bDriverStopped=_TRUE; + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped=TRUE\n")); + break; + case -EPROTO: + case -EILSEQ: + case -ETIME: + case -ECOMM: + case -EOVERFLOW: + #ifdef DBG_CONFIG_ERROR_DETECT + { + HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); + pHalData->srestpriv.Wifi_Error_Status = USB_READ_PORT_FAIL; + } + #endif + rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); + break; + case -EINPROGRESS: + DBG_8192C("ERROR: URB IS IN PROGRESS!/n"); + break; + default: + break; + } + + } + +exit: + +_func_exit_; + +} + +static u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem) +{ + int err; + unsigned int pipe; + u32 ret = _SUCCESS; + PURB purb = NULL; + struct recv_buf *precvbuf = (struct recv_buf *)rmem; + _adapter *adapter = pintfhdl->padapter; + struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter); + struct recv_priv *precvpriv = &adapter->recvpriv; + struct usb_device *pusbd = pdvobj->pusbdev; + +_func_enter_; + + if(adapter->bDriverStopped || adapter->bSurpriseRemoved ||dvobj_to_pwrctl(pdvobj)->pnp_bstop_trx) + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:( padapter->bDriverStopped ||padapter->bSurpriseRemoved ||pwrctl->pnp_bstop_trx)!!!\n")); + return _FAIL; + } + + if(precvbuf !=NULL) + { + rtl8192cu_init_recvbuf(adapter, precvbuf); + + if(precvbuf->pbuf) + { + precvpriv->rx_pending_cnt++; + + purb = precvbuf->purb; + + //translate DMA FIFO addr to pipehandle + pipe = ffaddr2pipehdl(pdvobj, addr); + + usb_fill_bulk_urb(purb, pusbd, pipe, + precvbuf->pbuf, + MAX_RECVBUF_SZ, + usb_read_port_complete, + precvbuf);//context is precvbuf + + purb->transfer_dma = precvbuf->dma_transfer_addr; + purb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + err = usb_submit_urb(purb, GFP_ATOMIC); + if((err) && (err != (-EPERM))) + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("cannot submit rx in-token(err=0x%.8x), URB_STATUS =0x%.8x", err, purb->status)); + DBG_8192C("cannot submit rx in-token(err = 0x%08x),urb_status = %d\n",err,purb->status); + ret = _FAIL; + } + + } + + } + else + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:precvbuf ==NULL\n")); + ret = _FAIL; + } + +_func_exit_; + + return ret; +} +#else // CONFIG_USE_USB_BUFFER_ALLOC_RX +static s32 pre_recv_entry(union recv_frame *precvframe, struct recv_stat *prxstat, struct phy_stat *pphy_info) +{ + s32 ret=_SUCCESS; +#ifdef CONFIG_CONCURRENT_MODE + u8 *primary_myid, *secondary_myid, *paddr1; + union recv_frame *precvframe_if2 = NULL; + _adapter *primary_padapter = precvframe->u.hdr.adapter; + _adapter *secondary_padapter = primary_padapter->pbuddy_adapter; + struct recv_priv *precvpriv = &primary_padapter->recvpriv; + _queue *pfree_recv_queue = &precvpriv->free_recv_queue; + u8 *pbuf = precvframe->u.hdr.rx_data; + + if(!secondary_padapter) + return ret; + + paddr1 = GetAddr1Ptr(precvframe->u.hdr.rx_data); + + if(IS_MCAST(paddr1) == _FALSE)//unicast packets + { + //primary_myid = myid(&primary_padapter->eeprompriv); + secondary_myid = myid(&secondary_padapter->eeprompriv); + + if(_rtw_memcmp(paddr1, secondary_myid, ETH_ALEN)) + { + //change to secondary interface + precvframe->u.hdr.adapter = secondary_padapter; + } + + //ret = recv_entry(precvframe); + + } + else // Handle BC/MC Packets + { + + u8 clone = _TRUE; +#if 0 + u8 type, subtype, *paddr2, *paddr3; + + type = GetFrameType(pbuf); + subtype = GetFrameSubType(pbuf); //bit(7)~bit(2) + + switch (type) + { + case WIFI_MGT_TYPE: //Handle BC/MC mgnt Packets + if(subtype == WIFI_BEACON) + { + paddr3 = GetAddr3Ptr(precvframe->u.hdr.rx_data); + + if (check_fwstate(&secondary_padapter->mlmepriv, _FW_LINKED) && + _rtw_memcmp(paddr3, get_bssid(&secondary_padapter->mlmepriv), ETH_ALEN)) + { + //change to secondary interface + precvframe->u.hdr.adapter = secondary_padapter; + clone = _FALSE; + } + + if(check_fwstate(&primary_padapter->mlmepriv, _FW_LINKED) && + _rtw_memcmp(paddr3, get_bssid(&primary_padapter->mlmepriv), ETH_ALEN)) + { + if(clone==_FALSE) + { + clone = _TRUE; + } + else + { + clone = _FALSE; + } + + precvframe->u.hdr.adapter = primary_padapter; + } + + if(check_fwstate(&primary_padapter->mlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) || + check_fwstate(&secondary_padapter->mlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING)) + { + clone = _TRUE; + precvframe->u.hdr.adapter = primary_padapter; + } + + } + else if(subtype == WIFI_PROBEREQ) + { + //probe req frame is only for interface2 + //change to secondary interface + precvframe->u.hdr.adapter = secondary_padapter; + clone = _FALSE; + } + break; + case WIFI_CTRL_TYPE: // Handle BC/MC ctrl Packets + + break; + case WIFI_DATA_TYPE: //Handle BC/MC data Packets + //Notes: AP MODE never rx BC/MC data packets + + paddr2 = GetAddr2Ptr(precvframe->u.hdr.rx_data); + + if(_rtw_memcmp(paddr2, get_bssid(&secondary_padapter->mlmepriv), ETH_ALEN)) + { + //change to secondary interface + precvframe->u.hdr.adapter = secondary_padapter; + clone = _FALSE; + } + + break; + default: + + break; + } +#endif + + if(_TRUE == clone) + { + //clone/copy to if2 + u8 shift_sz = 0; + u32 alloc_sz, skb_len; + _pkt *pkt_copy = NULL; + struct rx_pkt_attrib *pattrib = NULL; + + precvframe_if2 = rtw_alloc_recvframe(pfree_recv_queue); + if(precvframe_if2) + { + precvframe_if2->u.hdr.adapter = secondary_padapter; + + _rtw_init_listhead(&precvframe_if2->u.hdr.list); + precvframe_if2->u.hdr.precvbuf = NULL; //can't access the precvbuf for new arch. + precvframe_if2->u.hdr.len=0; + + _rtw_memcpy(&precvframe_if2->u.hdr.attrib, &precvframe->u.hdr.attrib, sizeof(struct rx_pkt_attrib)); + + pattrib = &precvframe_if2->u.hdr.attrib; + + // Modified by Albert 20101213 + // For 8 bytes IP header alignment. + if (pattrib->qos) // Qos data, wireless lan header length is 26 + { + shift_sz = 6; + } + else + { + shift_sz = 0; + } + + skb_len = pattrib->pkt_len; + + // for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. + // modify alloc_sz for recvive crc error packet by thomas 2011-06-02 + if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){ + //alloc_sz = 1664; //1664 is 128 alignment. + if(skb_len <= 1650) + alloc_sz = 1664; + else + alloc_sz = skb_len + 14; + } + else { + alloc_sz = skb_len; + // 6 is for IP header 8 bytes alignment in QoS packet case. + // 8 is for skb->data 4 bytes alignment. + alloc_sz += 14; + } + + pkt_copy = rtw_skb_alloc(alloc_sz); + + if(pkt_copy) + { + pkt_copy->dev = secondary_padapter->pnetdev; + precvframe_if2->u.hdr.pkt = pkt_copy; + precvframe_if2->u.hdr.rx_head = pkt_copy->data; + precvframe_if2->u.hdr.rx_end = pkt_copy->data + alloc_sz; + skb_reserve( pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data ) & 7 ));//force pkt_copy->data at 8-byte alignment address + skb_reserve( pkt_copy, shift_sz );//force ip_hdr at 8-byte alignment address according to shift_sz. + _rtw_memcpy(pkt_copy->data, pbuf, skb_len); + precvframe_if2->u.hdr.rx_data = precvframe_if2->u.hdr.rx_tail = pkt_copy->data; + + + recvframe_put(precvframe_if2, skb_len); + //recvframe_pull(precvframe_if2, drvinfo_sz + RXDESC_SIZE); + if(pphy_info) + update_recvframe_phyinfo(precvframe_if2, pphy_info); + //rtl8192c_translate_rx_signal_stuff(precvframe_if2, pphy_info); + + ret = rtw_recv_entry(precvframe_if2); + + } else { + rtw_free_recvframe(precvframe_if2, pfree_recv_queue); + DBG_8192C("%s()-%d: alloc_skb() failed!\n", __FUNCTION__, __LINE__); + } + + } + + } + + } + + ret = rtw_recv_entry(precvframe); + +#endif + + return ret; + +} + +static int recvbuf2recvframe(_adapter *padapter, _pkt *pskb) +{ + u8 *pbuf; + u8 shift_sz = 0; + u16 pkt_cnt; + u32 pkt_offset, skb_len, alloc_sz; + s32 transfer_len; + struct recv_stat *prxstat; + struct phy_stat *pphy_info = NULL; + _pkt *pkt_copy = NULL; + union recv_frame *precvframe = NULL; + struct rx_pkt_attrib *pattrib = NULL; + HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); + struct recv_priv *precvpriv = &padapter->recvpriv; + _queue *pfree_recv_queue = &precvpriv->free_recv_queue; + + + transfer_len = (s32)pskb->len; + pbuf = pskb->data; + + prxstat = (struct recv_stat *)pbuf; + pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff; + +#if 0 //temp remove when disable usb rx aggregation + if((pkt_cnt > 10) || (pkt_cnt < 1) || (transfer_len<RXDESC_SIZE) ||(pkt_len<=0)) + { + return _FAIL; + } +#endif + + do{ + RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, + ("recvbuf2recvframe: rxdesc=offsset 0:0x%08x, 4:0x%08x, 8:0x%08x, C:0x%08x\n", + prxstat->rxdw0, prxstat->rxdw1, prxstat->rxdw2, prxstat->rxdw4)); + + prxstat = (struct recv_stat *)pbuf; + + precvframe = rtw_alloc_recvframe(pfree_recv_queue); + if(precvframe==NULL) + { + RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: precvframe==NULL\n")); + DBG_8192C("%s()-%d: rtw_alloc_recvframe() failed! RX Drop!\n", __FUNCTION__, __LINE__); + goto _exit_recvbuf2recvframe; + } + + _rtw_init_listhead(&precvframe->u.hdr.list); + precvframe->u.hdr.precvbuf = NULL; //can't access the precvbuf for new arch. + precvframe->u.hdr.len=0; + +// rtl8192c_query_rx_desc_status(precvframe, prxstat); + update_recvframe_attrib(precvframe, prxstat); + + pattrib = &precvframe->u.hdr.attrib; + + if ((padapter->registrypriv.mp_mode == 0) && (pattrib->crc_err)){ + DBG_8192C("%s()-%d: RX Warning! rx CRC ERROR !!\n", __FUNCTION__, __LINE__); + rtw_free_recvframe(precvframe, pfree_recv_queue); + goto _exit_recvbuf2recvframe; + } + + pkt_offset = RXDESC_SIZE + pattrib->drvinfo_sz + pattrib->shift_sz + pattrib->pkt_len; + + if((pattrib->pkt_len<=0) || (pkt_offset>transfer_len)) + { + RT_TRACE(_module_rtl871x_recv_c_,_drv_info_,("recvbuf2recvframe: pkt_len<=0\n")); + DBG_8192C("%s()-%d: RX Warning!\n", __FUNCTION__, __LINE__); + rtw_free_recvframe(precvframe, pfree_recv_queue); + goto _exit_recvbuf2recvframe; + } + + // Modified by Albert 20101213 + // For 8 bytes IP header alignment. + if (pattrib->qos) // Qos data, wireless lan header length is 26 + { + shift_sz = 6; + } + else + { + shift_sz = 0; + } + + skb_len = pattrib->pkt_len; + + // for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. + // modify alloc_sz for recvive crc error packet by thomas 2011-06-02 + if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){ + //alloc_sz = 1664; //1664 is 128 alignment. + if(skb_len <= 1650) + alloc_sz = 1664; + else + alloc_sz = skb_len + 14; + } + else { + alloc_sz = skb_len; + // 6 is for IP header 8 bytes alignment in QoS packet case. + // 8 is for skb->data 4 bytes alignment. + alloc_sz += 14; + } + + pkt_copy = rtw_skb_alloc(alloc_sz); + + if(pkt_copy) + { + pkt_copy->dev = padapter->pnetdev; + precvframe->u.hdr.pkt = pkt_copy; + precvframe->u.hdr.rx_head = pkt_copy->data; + precvframe->u.hdr.rx_end = pkt_copy->data + alloc_sz; + skb_reserve( pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data ) & 7 ));//force pkt_copy->data at 8-byte alignment address + skb_reserve( pkt_copy, shift_sz );//force ip_hdr at 8-byte alignment address according to shift_sz. + _rtw_memcpy(pkt_copy->data, (pbuf + pattrib->shift_sz + pattrib->drvinfo_sz + RXDESC_SIZE), skb_len); + precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data; + } + else + { + if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)) + { + DBG_8192C("recvbuf2recvframe: alloc_skb fail , drop frag frame \n"); + rtw_free_recvframe(precvframe, pfree_recv_queue); + goto _exit_recvbuf2recvframe; + } + + precvframe->u.hdr.pkt = rtw_skb_clone(pskb); + if(precvframe->u.hdr.pkt) + { + precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail + = pbuf+ pattrib->drvinfo_sz + RXDESC_SIZE; + precvframe->u.hdr.rx_end = pbuf +pattrib->drvinfo_sz + RXDESC_SIZE+ alloc_sz; + } + else + { + DBG_8192C("recvbuf2recvframe: rtw_skb_clone fail\n"); + rtw_free_recvframe(precvframe, pfree_recv_queue); + goto _exit_recvbuf2recvframe; + } + + } + + recvframe_put(precvframe, skb_len); + //recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE); + + if (pattrib->physt) + { + pphy_info = (struct phy_stat*)(pbuf + RXDESC_OFFSET); + update_recvframe_phyinfo(precvframe, pphy_info); + } + +#ifdef CONFIG_USB_RX_AGGREGATION + switch(pHalData->UsbRxAggMode) + { + case USB_RX_AGG_DMA: + case USB_RX_AGG_MIX: + pkt_offset = (u16)_RND128(pkt_offset); + break; + case USB_RX_AGG_USB: + pkt_offset = (u16)_RND4(pkt_offset); + break; + case USB_RX_AGG_DISABLE: + default: + break; + } +#endif + +#ifdef CONFIG_CONCURRENT_MODE + if(pre_recv_entry(precvframe, prxstat, pphy_info) != _SUCCESS) + { + RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n")); + } +#else + if(rtw_recv_entry(precvframe) != _SUCCESS) + { + RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n")); + } +#endif + + pkt_cnt--; + transfer_len -= pkt_offset; + pbuf += pkt_offset; + precvframe = NULL; + pkt_copy = NULL; + + if(transfer_len>0 && pkt_cnt==0) + pkt_cnt = (le32_to_cpu(prxstat->rxdw2)>>16) & 0xff; + + }while((transfer_len>0) && (pkt_cnt>0)); + +_exit_recvbuf2recvframe: + + return _SUCCESS; +} + +void rtl8192cu_recv_tasklet(void *priv) +{ + _pkt *pskb; + _adapter *padapter = (_adapter*)priv; + struct recv_priv *precvpriv = &padapter->recvpriv; + + while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue))) + { + if ((padapter->bDriverStopped == _TRUE)||(padapter->bSurpriseRemoved== _TRUE)) + { + DBG_8192C("recv_tasklet => bDriverStopped or bSurpriseRemoved \n"); + rtw_skb_free(pskb); + break; + } + + recvbuf2recvframe(padapter, pskb); + +#ifdef CONFIG_PREALLOC_RECV_SKB + + skb_reset_tail_pointer(pskb); + + pskb->len = 0; + + skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb); + +#else + rtw_skb_free(pskb); +#endif + + } + +} + + +static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs) +{ + _irqL irqL; + uint isevt, *pbuf; + struct recv_buf *precvbuf = (struct recv_buf *)purb->context; + _adapter *padapter =(_adapter *)precvbuf->adapter; + struct recv_priv *precvpriv = &padapter->recvpriv; + + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete!!!\n")); + + //_enter_critical(&precvpriv->lock, &irqL); + //precvbuf->irp_pending=_FALSE; + //precvpriv->rx_pending_cnt --; + //_exit_critical(&precvpriv->lock, &irqL); + + precvpriv->rx_pending_cnt --; + + //if(precvpriv->rx_pending_cnt== 0) + //{ + // RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete: rx_pending_cnt== 0, set allrxreturnevt!\n")); + // _rtw_up_sema(&precvpriv->allrxreturnevt); + //} + + if(padapter->bSurpriseRemoved || padapter->bDriverStopped||padapter->bReadPortCancel) + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)\n", padapter->bDriverStopped, padapter->bSurpriseRemoved)); + + #ifdef CONFIG_PREALLOC_RECV_SKB + precvbuf->reuse = _TRUE; + #else + if(precvbuf->pskb){ + DBG_8192C("==> free skb(%p)\n",precvbuf->pskb); + rtw_skb_free(precvbuf->pskb); + } + #endif + DBG_8192C("%s()-%d: RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n", + __FUNCTION__, __LINE__,padapter->bDriverStopped, padapter->bSurpriseRemoved,padapter->bReadPortCancel); + goto exit; + } + + if(purb->status==0)//SUCCESS + { + if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)) + { + 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")); + precvbuf->reuse = _TRUE; + rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); + DBG_8192C("%s()-%d: RX Warning!\n", __FUNCTION__, __LINE__); + } + else + { + rtw_reset_continual_io_error(adapter_to_dvobj(padapter)); + + precvbuf->transfer_len = purb->actual_length; + skb_put(precvbuf->pskb, purb->actual_length); + skb_queue_tail(&precvpriv->rx_skb_queue, precvbuf->pskb); + + if (skb_queue_len(&precvpriv->rx_skb_queue)<=1) + tasklet_schedule(&precvpriv->recv_tasklet); + + precvbuf->pskb = NULL; + precvbuf->reuse = _FALSE; + rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); + } + } + else + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete : purb->status(%d) != 0 \n", purb->status)); + + DBG_8192C("###=> usb_read_port_complete => urb status(%d)\n", purb->status); + + if(rtw_inc_and_chk_continual_io_error(adapter_to_dvobj(padapter)) == _TRUE ){ + padapter->bSurpriseRemoved = _TRUE; + } + + switch(purb->status) { + case -EINVAL: + case -EPIPE: + case -ENODEV: + case -ESHUTDOWN: + //padapter->bSurpriseRemoved=_TRUE; + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bSurpriseRemoved=TRUE\n")); + case -ENOENT: + padapter->bDriverStopped=_TRUE; + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port_complete:bDriverStopped=TRUE\n")); + break; + case -EPROTO: + case -EILSEQ: + case -ETIME: + case -ECOMM: + case -EOVERFLOW: + #ifdef DBG_CONFIG_ERROR_DETECT + { + HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); + pHalData->srestpriv.Wifi_Error_Status = USB_READ_PORT_FAIL; + } + #endif + precvbuf->reuse = _TRUE; + rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); + break; + case -EINPROGRESS: + DBG_8192C("ERROR: URB IS IN PROGRESS!/n"); + break; + default: + break; + } + + } + +exit: + +_func_exit_; + +} + +static u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem) +{ + _irqL irqL; + int err; + unsigned int pipe; + SIZE_PTR tmpaddr=0; + SIZE_PTR alignment=0; + u32 ret = _SUCCESS; + PURB purb = NULL; + struct recv_buf *precvbuf = (struct recv_buf *)rmem; + _adapter *adapter = pintfhdl->padapter; + struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter); + struct recv_priv *precvpriv = &adapter->recvpriv; + struct usb_device *pusbd = pdvobj->pusbdev; + + +_func_enter_; + + if(adapter->bDriverStopped || adapter->bSurpriseRemoved ||dvobj_to_pwrctl(pdvobj)->pnp_bstop_trx) + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:( padapter->bDriverStopped ||padapter->bSurpriseRemoved ||pwrctl->pnp_bstop_trx)!!!\n")); + return _FAIL; + } + +#ifdef CONFIG_PREALLOC_RECV_SKB + if((precvbuf->reuse == _FALSE) || (precvbuf->pskb == NULL)) + { + if (NULL != (precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue))) + { + precvbuf->reuse = _TRUE; + } + } +#endif + + + if(precvbuf !=NULL) + { + rtl8192cu_init_recvbuf(adapter, precvbuf); + + //re-assign for linux based on skb + if((precvbuf->reuse == _FALSE) || (precvbuf->pskb == NULL)) + { + precvbuf->pskb = rtw_skb_alloc(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ); + + if(precvbuf->pskb == NULL) + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("init_recvbuf(): alloc_skb fail!\n")); + return _FAIL; + } + + tmpaddr = (SIZE_PTR)precvbuf->pskb->data; + alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1); + skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment)); + + precvbuf->phead = precvbuf->pskb->head; + precvbuf->pdata = precvbuf->pskb->data; + precvbuf->ptail = skb_tail_pointer(precvbuf->pskb); + precvbuf->pend = skb_end_pointer(precvbuf->pskb); + precvbuf->pbuf = precvbuf->pskb->data; + } + else//reuse skb + { + precvbuf->phead = precvbuf->pskb->head; + precvbuf->pdata = precvbuf->pskb->data; + precvbuf->ptail = skb_tail_pointer(precvbuf->pskb); + precvbuf->pend = skb_end_pointer(precvbuf->pskb); + precvbuf->pbuf = precvbuf->pskb->data; + + precvbuf->reuse = _FALSE; + } + + //_enter_critical(&precvpriv->lock, &irqL); + //precvpriv->rx_pending_cnt++; + //precvbuf->irp_pending = _TRUE; + //_exit_critical(&precvpriv->lock, &irqL); + + precvpriv->rx_pending_cnt++; + + purb = precvbuf->purb; + + //translate DMA FIFO addr to pipehandle + pipe = ffaddr2pipehdl(pdvobj, addr); + + usb_fill_bulk_urb(purb, pusbd, pipe, + precvbuf->pbuf, + MAX_RECVBUF_SZ, + usb_read_port_complete, + precvbuf);//context is precvbuf + + err = usb_submit_urb(purb, GFP_ATOMIC); + if((err) && (err != (-EPERM))) + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("cannot submit rx in-token(err=0x%.8x), URB_STATUS =0x%.8x", err, purb->status)); + DBG_8192C("cannot submit rx in-token(err = 0x%08x),urb_status = %d\n",err,purb->status); + ret = _FAIL; + } + } + else + { + RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:precvbuf ==NULL\n")); + ret = _FAIL; + } + +_func_exit_; + + return ret; +} +#endif // CONFIG_USE_USB_BUFFER_ALLOC_RX + +void rtl8192cu_xmit_tasklet(void *priv) +{ + int ret = _FALSE; + _adapter *padapter = (_adapter*)priv; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + if(check_fwstate(&padapter->mlmepriv, _FW_UNDER_SURVEY) == _TRUE) + return; + + while(1) + { + if ((padapter->bDriverStopped == _TRUE)||(padapter->bSurpriseRemoved== _TRUE) || (padapter->bWritePortCancel == _TRUE)) + { + DBG_8192C("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n"); + break; + } + + ret = rtl8192cu_xmitframe_complete(padapter, pxmitpriv, NULL); + + if(ret==_FALSE) + break; + + } + +} + +void rtl8723au_set_intf_ops(struct _io_ops *pops) +{ + _func_enter_; + + _rtw_memset((u8 *)pops, 0, sizeof(struct _io_ops)); + + pops->_read8 = &usb_read8; + pops->_read16 = &usb_read16; + pops->_read32 = &usb_read32; + pops->_read_mem = &usb_read_mem; + pops->_read_port = &usb_read_port; + + pops->_write8 = &usb_write8; + pops->_write16 = &usb_write16; + pops->_write32 = &usb_write32; + pops->_writeN = &usb_writeN; + +#ifdef CONFIG_USB_SUPPORT_ASYNC_VDN_REQ + pops->_write8_async= &usb_async_write8; + pops->_write16_async = &usb_async_write16; + pops->_write32_async = &usb_async_write32; +#endif + pops->_write_mem = &usb_write_mem; + pops->_write_port = &usb_write_port; + + pops->_read_port_cancel = &usb_read_port_cancel; + pops->_write_port_cancel = &usb_write_port_cancel; + +#ifdef CONFIG_USB_INTERRUPT_IN_PIPE + pops->_read_interrupt = &usb_read_interrupt; +#endif + + _func_exit_; + +} +void rtl8723au_set_hw_type(_adapter *padapter) +{ + padapter->chip_type = RTL8723A; + padapter->HardwareType = HARDWARE_TYPE_RTL8723AU; + DBG_871X("CHIP TYPE: RTL8723A\n"); +}
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