| /****************************************************************************** |
| * |
| * 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 <osdep_service.h> |
| #include <drv_types.h> |
| #include <osdep_intf.h> |
| #include <usb_ops.h> |
| #include <recv_osdep.h> |
| #include <rtl8188e_hal.h> |
| |
| static int usbctrl_vendorreq(struct intf_hdl *pintfhdl, u8 request, u16 value, u16 index, void *pdata, u16 len, u8 requesttype) |
| { |
| struct adapter *adapt = pintfhdl->padapter; |
| struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt); |
| struct usb_device *udev = dvobjpriv->pusbdev; |
| unsigned int pipe; |
| int status = 0; |
| u8 reqtype; |
| u8 *pIo_buf; |
| int vendorreq_times = 0; |
| |
| if ((adapt->bSurpriseRemoved) || (adapt->pwrctrlpriv.pnp_bstop_trx)) { |
| RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usbctrl_vendorreq:(adapt->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n")); |
| status = -EPERM; |
| goto exit; |
| } |
| |
| if (len > MAX_VENDOR_REQ_CMD_SIZE) { |
| DBG_88E("[%s] Buffer len error ,vendor request failed\n", __func__); |
| status = -EINVAL; |
| goto exit; |
| } |
| |
| _enter_critical_mutex(&dvobjpriv->usb_vendor_req_mutex, NULL); |
| |
| /* Acquire IO memory for vendorreq */ |
| pIo_buf = dvobjpriv->usb_vendor_req_buf; |
| |
| if (pIo_buf == NULL) { |
| DBG_88E("[%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; |
| 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(dvobjpriv); |
| if (requesttype == 0x01) |
| memcpy(pdata, pIo_buf, len); |
| } else { /* error cases */ |
| DBG_88E("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) { |
| adapt->bSurpriseRemoved = true; |
| } else { |
| struct hal_data_8188e *haldata = GET_HAL_DATA(adapt); |
| haldata->srestpriv.Wifi_Error_Status = USB_VEN_REQ_CMD_FAIL; |
| } |
| } 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. */ |
| memcpy(pdata, pIo_buf, len); |
| } |
| } |
| } |
| |
| if (rtw_inc_and_chk_continual_urb_error(dvobjpriv)) { |
| adapt->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_mutex: |
| _exit_critical_mutex(&dvobjpriv->usb_vendor_req_mutex, NULL); |
| 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; |
| __le32 data; |
| |
| _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 (u16)(le32_to_cpu(data)&0xffff); |
| } |
| |
| static u32 usb_read32(struct intf_hdl *pintfhdl, u32 addr) |
| { |
| u8 request; |
| u8 requesttype; |
| u16 wvalue; |
| u16 index; |
| u16 len; |
| __le32 data; |
| |
| _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 le32_to_cpu(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; |
| __le32 data; |
| int ret; |
| |
| _func_enter_; |
| |
| request = 0x05; |
| requesttype = 0x00;/* write_out */ |
| index = 0;/* n/a */ |
| |
| wvalue = (u16)(addr&0x0000ffff); |
| len = 2; |
| |
| data = cpu_to_le32(val & 0x0000ffff); |
| |
| 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; |
| __le32 data; |
| int ret; |
| |
| _func_enter_; |
| |
| request = 0x05; |
| requesttype = 0x00;/* write_out */ |
| index = 0;/* n/a */ |
| |
| wvalue = (u16)(addr&0x0000ffff); |
| len = 4; |
| data = cpu_to_le32(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; |
| memcpy(buf, pdata, len); |
| |
| ret = usbctrl_vendorreq(pintfhdl, request, wvalue, index, buf, len, requesttype); |
| |
| _func_exit_; |
| |
| return ret; |
| } |
| |
| static void interrupt_handler_8188eu(struct adapter *adapt, u16 pkt_len, u8 *pbuf) |
| { |
| struct hal_data_8188e *haldata = GET_HAL_DATA(adapt); |
| |
| if (pkt_len != INTERRUPT_MSG_FORMAT_LEN) { |
| DBG_88E("%s Invalid interrupt content length (%d)!\n", __func__, pkt_len); |
| return; |
| } |
| |
| /* HISR */ |
| memcpy(&(haldata->IntArray[0]), &(pbuf[USB_INTR_CONTENT_HISR_OFFSET]), 4); |
| memcpy(&(haldata->IntArray[1]), &(pbuf[USB_INTR_CONTENT_HISRE_OFFSET]), 4); |
| |
| /* C2H Event */ |
| if (pbuf[0] != 0) |
| memcpy(&(haldata->C2hArray[0]), &(pbuf[USB_INTR_CONTENT_C2H_OFFSET]), 16); |
| } |
| |
| static int recvbuf2recvframe(struct adapter *adapt, struct sk_buff *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; |
| struct sk_buff *pkt_copy = NULL; |
| union recv_frame *precvframe = NULL; |
| struct rx_pkt_attrib *pattrib = NULL; |
| struct hal_data_8188e *haldata = GET_HAL_DATA(adapt); |
| struct recv_priv *precvpriv = &adapt->recvpriv; |
| struct __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_88E("%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; |
| |
| update_recvframe_attrib_88e(precvframe, prxstat); |
| |
| pattrib = &precvframe->u.hdr.attrib; |
| |
| if ((pattrib->crc_err) || (pattrib->icv_err)) { |
| DBG_88E("%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_88E("%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)) { |
| 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 = netdev_alloc_skb(adapt->pnetdev, alloc_sz); |
| if (pkt_copy) { |
| pkt_copy->dev = adapt->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_t)(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. */ |
| memcpy(pkt_copy->data, (pbuf + pattrib->drvinfo_sz + RXDESC_SIZE), skb_len); |
| precvframe->u.hdr.rx_tail = pkt_copy->data; |
| precvframe->u.hdr.rx_data = pkt_copy->data; |
| } else { |
| if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) { |
| DBG_88E("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_tail = pbuf + pattrib->drvinfo_sz + RXDESC_SIZE; |
| precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_tail; |
| precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail; |
| precvframe->u.hdr.rx_end = pbuf + pattrib->drvinfo_sz + RXDESC_SIZE + alloc_sz; |
| } else { |
| DBG_88E("recvbuf2recvframe: skb_clone fail\n"); |
| rtw_free_recvframe(precvframe, pfree_recv_queue); |
| goto _exit_recvbuf2recvframe; |
| } |
| } |
| |
| recvframe_put(precvframe, skb_len); |
| |
| switch (haldata->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; |
| } |
| if (pattrib->pkt_rpt_type == NORMAL_RX) { /* Normal rx packet */ |
| 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 { |
| /* enqueue recvframe to txrtp queue */ |
| if (pattrib->pkt_rpt_type == TX_REPORT1) { |
| /* CCX-TXRPT ack for xmit mgmt frames. */ |
| handle_txrpt_ccx_88e(adapt, precvframe->u.hdr.rx_data); |
| } else if (pattrib->pkt_rpt_type == TX_REPORT2) { |
| ODM_RA_TxRPT2Handle_8188E( |
| &haldata->odmpriv, |
| precvframe->u.hdr.rx_data, |
| pattrib->pkt_len, |
| pattrib->MacIDValidEntry[0], |
| pattrib->MacIDValidEntry[1] |
| ); |
| } else if (pattrib->pkt_rpt_type == HIS_REPORT) { |
| interrupt_handler_8188eu(adapt, pattrib->pkt_len, precvframe->u.hdr.rx_data); |
| } |
| 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 sk_buff *pskb; |
| struct adapter *adapt = (struct adapter *)priv; |
| struct recv_priv *precvpriv = &adapt->recvpriv; |
| |
| while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue))) { |
| if ((adapt->bDriverStopped) || (adapt->bSurpriseRemoved)) { |
| DBG_88E("recv_tasklet => bDriverStopped or bSurpriseRemoved\n"); |
| dev_kfree_skb_any(pskb); |
| break; |
| } |
| recvbuf2recvframe(adapt, pskb); |
| skb_reset_tail_pointer(pskb); |
| pskb->len = 0; |
| skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb); |
| } |
| } |
| |
| static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs) |
| { |
| struct recv_buf *precvbuf = (struct recv_buf *)purb->context; |
| struct adapter *adapt = (struct adapter *)precvbuf->adapter; |
| struct recv_priv *precvpriv = &adapt->recvpriv; |
| |
| RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete!!!\n")); |
| |
| precvpriv->rx_pending_cnt--; |
| |
| if (adapt->bSurpriseRemoved || adapt->bDriverStopped || adapt->bReadPortCancel) { |
| RT_TRACE(_module_hci_ops_os_c_, _drv_err_, |
| ("usb_read_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)\n", |
| adapt->bDriverStopped, adapt->bSurpriseRemoved)); |
| |
| precvbuf->reuse = true; |
| DBG_88E("%s() RX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bReadPortCancel(%d)\n", |
| __func__, adapt->bDriverStopped, |
| adapt->bSurpriseRemoved, adapt->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(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); |
| DBG_88E("%s()-%d: RX Warning!\n", __func__, __LINE__); |
| } else { |
| rtw_reset_continual_urb_error(adapter_to_dvobj(adapt)); |
| |
| 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(adapt, 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_88E("###=> usb_read_port_complete => urb status(%d)\n", purb->status); |
| |
| if (rtw_inc_and_chk_continual_urb_error(adapter_to_dvobj(adapt))) |
| adapt->bSurpriseRemoved = true; |
| |
| switch (purb->status) { |
| case -EINVAL: |
| case -EPIPE: |
| case -ENODEV: |
| case -ESHUTDOWN: |
| RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bSurpriseRemoved=true\n")); |
| case -ENOENT: |
| adapt->bDriverStopped = true; |
| RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bDriverStopped=true\n")); |
| break; |
| case -EPROTO: |
| case -EOVERFLOW: |
| { |
| struct hal_data_8188e *haldata = GET_HAL_DATA(adapt); |
| haldata->srestpriv.Wifi_Error_Status = USB_READ_PORT_FAIL; |
| } |
| precvbuf->reuse = true; |
| rtw_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf); |
| break; |
| case -EINPROGRESS: |
| DBG_88E("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) |
| { |
| struct urb *purb = NULL; |
| struct recv_buf *precvbuf = (struct recv_buf *)rmem; |
| struct adapter *adapter = pintfhdl->padapter; |
| struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter); |
| struct recv_priv *precvpriv = &adapter->recvpriv; |
| struct usb_device *pusbd = pdvobj->pusbdev; |
| int err; |
| unsigned int pipe; |
| size_t tmpaddr = 0; |
| size_t alignment = 0; |
| u32 ret = _SUCCESS; |
| |
| _func_enter_; |
| |
| if (adapter->bDriverStopped || adapter->bSurpriseRemoved || |
| adapter->pwrctrlpriv.pnp_bstop_trx) { |
| RT_TRACE(_module_hci_ops_os_c_, _drv_err_, |
| ("usb_read_port:(adapt->bDriverStopped ||adapt->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n")); |
| return _FAIL; |
| } |
| |
| if ((!precvbuf->reuse) || (precvbuf->pskb == NULL)) { |
| precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue); |
| if (NULL != precvbuf->pskb) |
| precvbuf->reuse = true; |
| } |
| |
| if (precvbuf != NULL) { |
| rtl8188eu_init_recvbuf(adapter, precvbuf); |
| |
| /* re-assign for linux based on skb */ |
| if ((!precvbuf->reuse) || (precvbuf->pskb == NULL)) { |
| precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev, 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")); |
| DBG_88E("#### usb_read_port() alloc_skb fail!#####\n"); |
| return _FAIL; |
| } |
| |
| tmpaddr = (size_t)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; |
| } |
| |
| 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_88E("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; |
| } |
| |
| void rtl8188eu_xmit_tasklet(void *priv) |
| { |
| int ret = false; |
| struct adapter *adapt = (struct adapter *)priv; |
| struct xmit_priv *pxmitpriv = &adapt->xmitpriv; |
| |
| if (check_fwstate(&adapt->mlmepriv, _FW_UNDER_SURVEY)) |
| return; |
| |
| while (1) { |
| if ((adapt->bDriverStopped) || |
| (adapt->bSurpriseRemoved) || |
| (adapt->bWritePortCancel)) { |
| DBG_88E("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n"); |
| break; |
| } |
| |
| ret = rtl8188eu_xmitframe_complete(adapt, pxmitpriv, NULL); |
| |
| if (!ret) |
| 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; |
| 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; |
| _func_exit_; |
| } |
| |
| void rtl8188eu_set_hw_type(struct adapter *adapt) |
| { |
| adapt->chip_type = RTL8188E; |
| adapt->HardwareType = HARDWARE_TYPE_RTL8188EU; |
| DBG_88E("CHIP TYPE: RTL8188E\n"); |
| } |