/****************************************************************************** * * 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 #include #include #include #include #include #include #include #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",__func__, current->comm, current->pid); if ((padapter->bSurpriseRemoved) ||(padapter->pwrctrlpriv.pnp_bstop_trx)){ RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usbctrl_vendorreq:(padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.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", __func__ ); 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", __func__ ); 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); } status = rtw_usb_control_msg(udev, pipe, request, reqtype, value, index, pIo_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT); if ( status == len) // Success this control transfer. { rtw_reset_continual_urb_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_urb_error(pdvobjpriv) == _TRUE ){ padapter->bSurpriseRemoved = _TRUE; break; } } // firmware download is checksumed, don't retry if ( (value >= FW_8188E_START_ADDRESS && value <= FW_8188E_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_SUPPORT_USB_INT void interrupt_handler_8188eu(_adapter *padapter,u16 pkt_len,u8 *pbuf) { HAL_DATA_TYPE *pHalData=GET_HAL_DATA(padapter); struct reportpwrstate_parm pwr_rpt; if ( pkt_len != INTERRUPT_MSG_FORMAT_LEN ) { DBG_8192C("%s Invalid interrupt content length (%d)!\n", __func__, pkt_len); return ; } // HISR _rtw_memcpy(&(pHalData->IntArray[0]), &(pbuf[USB_INTR_CONTENT_HISR_OFFSET]), 4); _rtw_memcpy(&(pHalData->IntArray[1]), &(pbuf[USB_INTR_CONTENT_HISRE_OFFSET]), 4); #ifdef CONFIG_LPS_LCLK if ( pHalData->IntArray[0] & IMR_CPWM_88E ) { _rtw_memcpy(&pwr_rpt.state, &(pbuf[USB_INTR_CONTENT_CPWM1_OFFSET]), 1); //_rtw_memcpy(&pwr_rpt.state2, &(pbuf[USB_INTR_CONTENT_CPWM2_OFFSET]), 1); //88e's cpwm value only change BIT0, so driver need to add PS_STATE_S2 for LPS flow. pwr_rpt.state |= PS_STATE_S2; _set_workitem(&padapter->pwrctrlpriv.cpwm_event); } #endif//CONFIG_LPS_LCLK #ifdef CONFIG_INTERRUPT_BASED_TXBCN #ifdef CONFIG_INTERRUPT_BASED_TXBCN_EARLY_INT if (pHalData->IntArray[0] & IMR_BCNDMAINT0_88E) #endif #ifdef CONFIG_INTERRUPT_BASED_TXBCN_BCN_OK_ERR if (pHalData->IntArray[0] & (IMR_TBDER_88E|IMR_TBDOK_88E)) #endif { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { if (pmlmepriv->update_bcn == _TRUE) set_tx_beacon_cmd(padapter); } #ifdef CONFIG_CONCURRENT_MODE if (check_buddy_fwstate(padapter, WIFI_AP_STATE)) { if (padapter->pbuddy_adapter->mlmepriv.update_bcn == _TRUE) set_tx_beacon_cmd(padapter->pbuddy_adapter); } #endif } #endif //CONFIG_INTERRUPT_BASED_TXBCN #ifdef DBG_CONFIG_ERROR_DETECT_INT if ( pHalData->IntArray[1] & IMR_TXERR_88E ) DBG_871X("===> %s Tx Error Flag Interrupt Status\n",__func__); if ( pHalData->IntArray[1] & IMR_RXERR_88E ) DBG_871X("===> %s Rx Error Flag INT Status\n",__func__); if ( pHalData->IntArray[1] & IMR_TXFOVW_88E ) DBG_871X("===> %s Transmit FIFO Overflow\n",__func__); if ( pHalData->IntArray[1] & IMR_RXFOVW_88E ) DBG_871X("===> %s Receive FIFO Overflow\n",__func__); #endif//DBG_CONFIG_ERROR_DETECT_INT // C2H Event if (pbuf[0]!= 0){ _rtw_memcpy(&(pHalData->C2hArray[0]), &(pbuf[USB_INTR_CONTENT_C2H_OFFSET]), 16); //rtw_c2h_wk_cmd(padapter); to do.. } } #endif #ifdef CONFIG_USB_INTERRUPT_IN_PIPE static void usb_read_interrupt_complete(struct urb *purb, struct pt_regs *regs) { int err; _adapter *padapter = (_adapter *)purb->context; if (padapter->bSurpriseRemoved || padapter->bDriverStopped||padapter->bReadPortCancel) { DBG_8192C("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n", __func__,padapter->bDriverStopped, padapter->bSurpriseRemoved,padapter->bReadPortCancel); return; } if (purb->status==0)//SUCCESS { if (purb->actual_length > INTERRUPT_MSG_FORMAT_LEN) { DBG_8192C("usb_read_interrupt_complete: purb->actual_length > INTERRUPT_MSG_FORMAT_LEN(%d)\n",INTERRUPT_MSG_FORMAT_LEN); } interrupt_handler_8188eu(padapter, purb->actual_length,purb->transfer_buffer ); 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, INTERRUPT_MSG_FORMAT_LEN, 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 static s32 pre_recv_entry(union recv_frame *precvframe, struct recv_stat *prxstat, struct phy_stat *pphy_status) { 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 (_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; } #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/netdev@vger.kernel.org/msg17214.html pkt_copy = dev_alloc_skb(alloc_sz); #else pkt_copy = netdev_alloc_skb(secondary_padapter->pnetdev, alloc_sz); #endif 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); if (pattrib->physt) update_recvframe_phyinfo_88e(precvframe_if2, (struct phy_stat*)pphy_status); ret = rtw_recv_entry(precvframe_if2); } else { rtw_free_recvframe(precvframe_if2, pfree_recv_queue); DBG_8192C("%s()-%d: alloc_skb() failed!\n", __func__, __LINE__); } } } } if (precvframe->u.hdr.attrib.physt) update_recvframe_phyinfo_88e(precvframe, (struct phy_stat*)pphy_status); ret = rtw_recv_entry(precvframe); #endif return ret; } #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_status = 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; 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", __func__, __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_88e(precvframe, prxstat); pattrib = &precvframe->u.hdr.attrib; #ifdef CONFIG_SPECIAL_SETTING_FOR_FUNAI_TV //if (pattrib->pkt_len>2000){ // printk("%s: RX Warning!pkt_len= %d, data rate=0x%02x\n", __func__,pattrib->pkt_len,pattrib->mcs_rate); //} #endif if ((pattrib->crc_err) || (pattrib->icv_err)) { if (pattrib->pkt_len>2000){ DBG_8192C("%s: RX Warning! crc_err=%d icv_err=%d, skip!\n", __func__, pattrib->crc_err, pattrib->icv_err); #ifdef CONFIG_SPECIAL_SETTING_FOR_FUNAI_TV printk("%s: RX Warning!pkt_len= %d, data rate=0x%02x\n", __func__,pattrib->pkt_len,pattrib->mcs_rate); #endif } rtw_free_recvframe(precvframe, pfree_recv_queue); goto _exit_recvbuf2recvframe; } if ( (pattrib->physt) && (pattrib->pkt_rpt_type == NORMAL_RX)) { pphy_status = (struct phy_stat *)(pbuf + RXDESC_OFFSET); } 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", __func__, __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; } #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/netdev@vger.kernel.org/msg17214.html pkt_copy = dev_alloc_skb(alloc_sz); #else pkt_copy = netdev_alloc_skb(padapter->pnetdev, alloc_sz); #endif 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->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 = skb_clone(pskb, GFP_ATOMIC); //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); #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 (pattrib->pkt_rpt_type == NORMAL_RX)//Normal rx packet { #ifdef CONFIG_CONCURRENT_MODE if (rtw_buddy_adapter_up(padapter)) { if (pre_recv_entry(precvframe, prxstat, pphy_status) != _SUCCESS) { RT_TRACE(_module_rtl871x_recv_c_,_drv_err_, ("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n")); } } else #endif { if (pattrib->physt) update_recvframe_phyinfo_88e(precvframe, (struct phy_stat*)pphy_status); if (rtw_recv_entry(precvframe) != _SUCCESS) { RT_TRACE(_module_rtl871x_recv_c_,_drv_err_, ("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n")); } } } else{ // pkt_rpt_type == TX_REPORT1-CCX, TX_REPORT2-TX RTP,HIS_REPORT-USB HISR RTP //enqueue recvframe to txrtp queue if (pattrib->pkt_rpt_type == TX_REPORT1){ //DBG_8192C("rx CCX\n"); //CCX-TXRPT ack for xmit mgmt frames. handle_txrpt_ccx_88e(padapter, precvframe->u.hdr.rx_data); } else if (pattrib->pkt_rpt_type == TX_REPORT2){ //DBG_8192C("rx TX RPT\n"); ODM_RA_TxRPT2Handle_8188E( &pHalData->odmpriv, precvframe->u.hdr.rx_data, pattrib->pkt_len, pattrib->MacIDValidEntry[0], pattrib->MacIDValidEntry[1] ); } else if (pattrib->pkt_rpt_type == HIS_REPORT) { //DBG_8192C("%s , rx USB HISR\n",__func__); #ifdef CONFIG_SUPPORT_USB_INT interrupt_handler_8188eu(padapter,pattrib->pkt_len,precvframe->u.hdr.rx_data); #endif } rtw_free_recvframe(precvframe, pfree_recv_queue); } 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 rtl8188eu_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)); DBG_8192C("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n", __func__,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")); rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); } else { rtw_reset_continual_urb_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_urb_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 -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 ||adapter->pwrctrlpriv.pnp_bstop_trx) { RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:( padapter->bDriverStopped ||padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n")); return _FAIL; } if (precvbuf !=NULL) { rtl8188eu_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 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_status = 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; 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", __func__, __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_88e(precvframe, prxstat); pattrib = &precvframe->u.hdr.attrib; if ((pattrib->crc_err) || (pattrib->icv_err)) { DBG_8192C("%s: RX Warning! crc_err=%d icv_err=%d, skip!\n", __func__, pattrib->crc_err, pattrib->icv_err); rtw_free_recvframe(precvframe, pfree_recv_queue); goto _exit_recvbuf2recvframe; } if ( (pattrib->physt) && (pattrib->pkt_rpt_type == NORMAL_RX)) { pphy_status = (struct phy_stat *)(pbuf + RXDESC_OFFSET); } 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!,pkt_len<=0 or pkt_offset> transfoer_len\n", __func__, __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; } #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/netdev@vger.kernel.org/msg17214.html pkt_copy = dev_alloc_skb(alloc_sz); #else pkt_copy = netdev_alloc_skb(padapter->pnetdev, alloc_sz); #endif 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->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 = skb_clone(pskb, GFP_ATOMIC); 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: 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); #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 (pattrib->pkt_rpt_type == NORMAL_RX)//Normal rx packet { #ifdef CONFIG_CONCURRENT_MODE if (rtw_buddy_adapter_up(padapter)) { if (pre_recv_entry(precvframe, prxstat, pphy_status) != _SUCCESS) { RT_TRACE(_module_rtl871x_recv_c_,_drv_err_, ("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n")); } } else #endif { if (pattrib->physt) update_recvframe_phyinfo_88e(precvframe, (struct phy_stat*)pphy_status); if (rtw_recv_entry(precvframe) != _SUCCESS) { RT_TRACE(_module_rtl871x_recv_c_,_drv_err_, ("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n")); } } } else{ // pkt_rpt_type == TX_REPORT1-CCX, TX_REPORT2-TX RTP,HIS_REPORT-USB HISR RTP //enqueue recvframe to txrtp queue if (pattrib->pkt_rpt_type == TX_REPORT1){ //DBG_8192C("rx CCX\n"); //CCX-TXRPT ack for xmit mgmt frames. handle_txrpt_ccx_88e(padapter, precvframe->u.hdr.rx_data); } else if (pattrib->pkt_rpt_type == TX_REPORT2){ //DBG_8192C("rx TX RPT\n"); ODM_RA_TxRPT2Handle_8188E( &pHalData->odmpriv, precvframe->u.hdr.rx_data, pattrib->pkt_len, pattrib->MacIDValidEntry[0], pattrib->MacIDValidEntry[1] ); } else if (pattrib->pkt_rpt_type == HIS_REPORT) { //DBG_8192C("%s , rx USB HISR\n",__func__); #ifdef CONFIG_SUPPORT_USB_INT interrupt_handler_8188eu(padapter,pattrib->pkt_len,precvframe->u.hdr.rx_data); #endif } rtw_free_recvframe(precvframe, pfree_recv_queue); } 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 rtl8188eu_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"); dev_kfree_skb_any(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 dev_kfree_skb_any(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); dev_kfree_skb_any(precvbuf->pskb); } #endif DBG_8192C("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n", __func__,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", __func__, __LINE__); } else { rtw_reset_continual_urb_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_urb_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 -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 ||adapter->pwrctrlpriv.pnp_bstop_trx) { RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("usb_read_port:( padapter->bDriverStopped ||padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.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) { rtl8188eu_init_recvbuf(adapter, precvbuf); //re-assign for linux based on skb if ((precvbuf->reuse == _FALSE) || (precvbuf->pskb == NULL)) { //precvbuf->pskb = alloc_skb(MAX_RECVBUF_SZ, GFP_ATOMIC);//don't use this after v2.6.25 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/netdev@vger.kernel.org/msg17214.html precvbuf->pskb = dev_alloc_skb(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ); #else precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ); #endif if (precvbuf->pskb == NULL) { RT_TRACE(_module_hci_ops_os_c_,_drv_err_,("init_recvbuf(): alloc_skb fail!\n")); DBG_8192C("#### usb_read_port() 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 rtl8188eu_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 = rtl8188eu_xmitframe_complete(padapter, pxmitpriv, NULL); if (ret==_FALSE) break; } } void rtl8188eu_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 rtl8188eu_set_hw_type(_adapter *padapter) { padapter->chip_type = RTL8188E; padapter->HardwareType = HARDWARE_TYPE_RTL8188EU; DBG_871X("CHIP TYPE: RTL8188E\n"); }