--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 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 _USB_OPS_LINUX_C_
+
+#include <drv_types.h>
+#include <hal_data.h>
+#include <rtw_sreset.h>
+
+struct rtw_async_write_data {
+ u8 data[VENDOR_CMD_MAX_DATA_LEN];
+ struct usb_ctrlrequest dr;
+};
+
+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 pwrctrl_priv *pwrctl = dvobj_to_pwrctl(pdvobjpriv);
+ 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
+
+ /* RTW_INFO("%s %s:%d\n",__FUNCTION__, current->comm, current->pid); */
+
+ if (RTW_CANNOT_IO(padapter)) {
+ status = -EPERM;
+ goto exit;
+ }
+
+ if (len > MAX_VENDOR_REQ_CMD_SIZE) {
+ RTW_INFO("[%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) {
+ RTW_INFO("[%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);
+ }
+
+ 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_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 */
+ RTW_INFO("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)
+ rtw_set_surprise_removed(padapter);
+ 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) {
+ rtw_set_surprise_removed(padapter);
+ break;
+ }
+
+ }
+
+ /* firmware download is checksumed, don't retry */
+ if ((value >= FW_START_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;
+
+}
+
+#ifdef CONFIG_USB_SUPPORT_ASYNC_VDN_REQ
+static void _usbctrl_vendorreq_async_callback(struct urb *urb, struct pt_regs *regs)
+{
+ if (urb) {
+ if (urb->context)
+ rtw_mfree(urb->context, sizeof(struct rtw_async_write_data));
+ usb_free_urb(urb);
+ }
+}
+
+int _usbctrl_vendorreq_async_write(struct usb_device *udev, u8 request,
+ u16 value, u16 index, void *pdata, u16 len, u8 requesttype)
+{
+ int rc;
+ unsigned int pipe;
+ u8 reqtype;
+ struct usb_ctrlrequest *dr;
+ struct urb *urb;
+ struct rtw_async_write_data *buf;
+
+
+ if (requesttype == VENDOR_READ) {
+ 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;
+ }
+
+ buf = (struct rtl819x_async_write_data *)rtw_zmalloc(sizeof(*buf));
+ if (!buf) {
+ rc = -ENOMEM;
+ goto exit;
+ }
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
+ rtw_mfree((u8 *)buf, sizeof(*buf));
+ rc = -ENOMEM;
+ goto exit;
+ }
+
+ dr = &buf->dr;
+
+ dr->bRequestType = reqtype;
+ dr->bRequest = request;
+ dr->wValue = cpu_to_le16(value);
+ dr->wIndex = cpu_to_le16(index);
+ dr->wLength = cpu_to_le16(len);
+
+ _rtw_memcpy(buf, pdata, len);
+
+ usb_fill_control_urb(urb, udev, pipe, (unsigned char *)dr, buf, len,
+ _usbctrl_vendorreq_async_callback, buf);
+
+ rc = usb_submit_urb(urb, GFP_ATOMIC);
+ if (rc < 0) {
+ rtw_mfree((u8 *)buf, sizeof(*buf));
+ usb_free_urb(urb);
+ }
+
+exit:
+ return rc;
+}
+
+
+#endif /* CONFIG_USB_SUPPORT_ASYNC_VDN_REQ */
+
+unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr)
+{
+ unsigned int pipe = 0, ep_num = 0;
+ struct usb_device *pusbd = pdvobj->pusbdev;
+
+ if (addr == RECV_BULK_IN_ADDR)
+ pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[0]);
+
+ else if (addr == RECV_INT_IN_ADDR)
+ pipe = usb_rcvintpipe(pusbd, pdvobj->RtInPipe[1]);
+
+ else if (addr < HW_QUEUE_ENTRY) {
+#ifdef RTW_HALMAC
+ /* halmac already translate queue id to bulk out id */
+ ep_num = pdvobj->RtOutPipe[addr];
+#else
+ ep_num = pdvobj->Queue2Pipe[addr];
+#endif
+ pipe = usb_sndbulkpipe(pusbd, ep_num);
+ }
+
+ return pipe;
+}
+
+struct zero_bulkout_context {
+ void *pbuf;
+ void *purb;
+ void *pirp;
+ void *padapter;
+};
+
+static void usb_bulkout_zero_complete(struct urb *purb, struct pt_regs *regs)
+{
+ struct zero_bulkout_context *pcontext = (struct zero_bulkout_context *)purb->context;
+
+ /* RTW_INFO("+usb_bulkout_zero_complete\n"); */
+
+ if (pcontext) {
+ if (pcontext->pbuf)
+ rtw_mfree(pcontext->pbuf, sizeof(int));
+
+ if (pcontext->purb && (pcontext->purb == purb))
+ usb_free_urb(pcontext->purb);
+
+
+ rtw_mfree((u8 *)pcontext, sizeof(struct zero_bulkout_context));
+ }
+
+
+}
+
+static u32 usb_bulkout_zero(struct intf_hdl *pintfhdl, u32 addr)
+{
+ int pipe, status, len;
+ u32 ret;
+ unsigned char *pbuf;
+ struct zero_bulkout_context *pcontext;
+ PURB purb = NULL;
+ _adapter *padapter = (_adapter *)pintfhdl->padapter;
+ struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
+ struct pwrctrl_priv *pwrctl = dvobj_to_pwrctl(pdvobj);
+ struct usb_device *pusbd = pdvobj->pusbdev;
+
+ /* RTW_INFO("%s\n", __func__); */
+
+
+ if (RTW_CANNOT_TX(padapter))
+ return _FAIL;
+
+
+ pcontext = (struct zero_bulkout_context *)rtw_zmalloc(sizeof(struct zero_bulkout_context));
+ if (pcontext == NULL)
+ return _FAIL;
+
+ pbuf = (unsigned char *)rtw_zmalloc(sizeof(int));
+ purb = usb_alloc_urb(0, GFP_ATOMIC);
+
+ /* translate DMA FIFO addr to pipehandle */
+ pipe = ffaddr2pipehdl(pdvobj, addr);
+
+ len = 0;
+ pcontext->pbuf = pbuf;
+ pcontext->purb = purb;
+ pcontext->pirp = NULL;
+ pcontext->padapter = padapter;
+
+
+ /* translate DMA FIFO addr to pipehandle */
+ /* pipe = ffaddr2pipehdl(pdvobj, addr); */
+
+ usb_fill_bulk_urb(purb, pusbd, pipe,
+ pbuf,
+ len,
+ usb_bulkout_zero_complete,
+ pcontext);/* context is pcontext */
+
+ status = usb_submit_urb(purb, GFP_ATOMIC);
+
+ if (!status)
+ ret = _SUCCESS;
+ else
+ ret = _FAIL;
+
+
+ return _SUCCESS;
+
+}
+
+void usb_read_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
+{
+
+}
+
+void usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
+{
+
+}
+
+
+void usb_read_port_cancel(struct intf_hdl *pintfhdl)
+{
+ int i;
+ struct recv_buf *precvbuf;
+ _adapter *padapter = pintfhdl->padapter;
+ precvbuf = (struct recv_buf *)padapter->recvpriv.precv_buf;
+
+ RTW_INFO("%s\n", __func__);
+
+ for (i = 0; i < NR_RECVBUFF ; i++) {
+
+ if (precvbuf->purb) {
+ /* RTW_INFO("usb_read_port_cancel : usb_kill_urb\n"); */
+ usb_kill_urb(precvbuf->purb);
+ }
+ precvbuf++;
+ }
+
+#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
+ usb_kill_urb(padapter->recvpriv.int_in_urb);
+#endif
+}
+
+static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs)
+{
+ _irqL irqL;
+ int i;
+ struct xmit_buf *pxmitbuf = (struct xmit_buf *)purb->context;
+ /* struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitbuf->priv_data; */
+ /* _adapter *padapter = pxmitframe->padapter; */
+ _adapter *padapter = pxmitbuf->padapter;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ /* struct pkt_attrib *pattrib = &pxmitframe->attrib; */
+
+
+ switch (pxmitbuf->flags) {
+ case VO_QUEUE_INX:
+ pxmitpriv->voq_cnt--;
+ break;
+ case VI_QUEUE_INX:
+ pxmitpriv->viq_cnt--;
+ break;
+ case BE_QUEUE_INX:
+ pxmitpriv->beq_cnt--;
+ break;
+ case BK_QUEUE_INX:
+ pxmitpriv->bkq_cnt--;
+ break;
+ default:
+ break;
+ }
+
+
+ /*
+ _enter_critical(&pxmitpriv->lock, &irqL);
+
+ pxmitpriv->txirp_cnt--;
+
+ switch(pattrib->priority)
+ {
+ case 1:
+ case 2:
+ pxmitpriv->bkq_cnt--;
+
+ break;
+ case 4:
+ case 5:
+ pxmitpriv->viq_cnt--;
+
+ break;
+ case 6:
+ case 7:
+ pxmitpriv->voq_cnt--;
+
+ break;
+ case 0:
+ case 3:
+ default:
+ pxmitpriv->beq_cnt--;
+
+ break;
+
+ }
+
+ _exit_critical(&pxmitpriv->lock, &irqL);
+
+
+ if(pxmitpriv->txirp_cnt==0)
+ {
+ _rtw_up_sema(&(pxmitpriv->tx_retevt));
+ }
+ */
+ /* rtw_free_xmitframe(pxmitpriv, pxmitframe); */
+
+ if (RTW_CANNOT_TX(padapter)) {
+ RTW_INFO("%s(): TX Warning! bDriverStopped(%s) OR bSurpriseRemoved(%s) pxmitbuf->buf_tag(%x)\n"
+ , __func__
+ , rtw_is_drv_stopped(padapter) ? "True" : "False"
+ , rtw_is_surprise_removed(padapter) ? "True" : "False"
+ , pxmitbuf->buf_tag);
+
+ goto check_completion;
+ }
+
+
+ if (purb->status == 0) {
+
+ } else {
+ RTW_INFO("###=> urb_write_port_complete status(%d)\n", purb->status);
+ if ((purb->status == -EPIPE) || (purb->status == -EPROTO)) {
+ /* usb_clear_halt(pusbdev, purb->pipe); */
+ /* msleep(10); */
+ sreset_set_wifi_error_status(padapter, USB_WRITE_PORT_FAIL);
+ } else if (purb->status == -EINPROGRESS) {
+ goto check_completion;
+
+ } else if (purb->status == -ENOENT) {
+ RTW_INFO("%s: -ENOENT\n", __func__);
+ goto check_completion;
+
+ } else if (purb->status == -ECONNRESET) {
+ RTW_INFO("%s: -ECONNRESET\n", __func__);
+ goto check_completion;
+
+ } else if (purb->status == -ESHUTDOWN) {
+ rtw_set_drv_stopped(padapter);
+
+ goto check_completion;
+ } else {
+ rtw_set_surprise_removed(padapter);
+ RTW_INFO("bSurpriseRemoved=TRUE\n");
+
+ goto check_completion;
+ }
+ }
+
+ #ifdef DBG_CONFIG_ERROR_DETECT
+ {
+ HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
+ pHalData->srestpriv.last_tx_complete_time = rtw_get_current_time();
+ }
+ #endif
+
+check_completion:
+ _enter_critical(&pxmitpriv->lock_sctx, &irqL);
+ rtw_sctx_done_err(&pxmitbuf->sctx,
+ purb->status ? RTW_SCTX_DONE_WRITE_PORT_ERR : RTW_SCTX_DONE_SUCCESS);
+ _exit_critical(&pxmitpriv->lock_sctx, &irqL);
+
+ rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
+
+ /* if(rtw_txframes_pending(padapter)) */
+ {
+ tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
+ }
+
+
+}
+
+u32 usb_write_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
+{
+ _irqL irqL;
+ unsigned int pipe;
+ int status;
+ u32 ret = _FAIL, bwritezero = _FALSE;
+ PURB purb = NULL;
+ _adapter *padapter = (_adapter *)pintfhdl->padapter;
+ struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
+ struct pwrctrl_priv *pwrctl = dvobj_to_pwrctl(pdvobj);
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ struct xmit_buf *pxmitbuf = (struct xmit_buf *)wmem;
+ struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitbuf->priv_data;
+ struct usb_device *pusbd = pdvobj->pusbdev;
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+
+
+
+ if (RTW_CANNOT_TX(padapter)) {
+#ifdef DBG_TX
+ RTW_INFO(" DBG_TX %s:%d bDriverStopped%s, bSurpriseRemoved:%s\n", __func__, __LINE__
+ , rtw_is_drv_stopped(padapter) ? "True" : "False"
+ , rtw_is_surprise_removed(padapter) ? "True" : "False");
+#endif
+ rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_TX_DENY);
+ goto exit;
+ }
+
+ _enter_critical(&pxmitpriv->lock, &irqL);
+
+ switch (addr) {
+ case VO_QUEUE_INX:
+ pxmitpriv->voq_cnt++;
+ pxmitbuf->flags = VO_QUEUE_INX;
+ break;
+ case VI_QUEUE_INX:
+ pxmitpriv->viq_cnt++;
+ pxmitbuf->flags = VI_QUEUE_INX;
+ break;
+ case BE_QUEUE_INX:
+ pxmitpriv->beq_cnt++;
+ pxmitbuf->flags = BE_QUEUE_INX;
+ break;
+ case BK_QUEUE_INX:
+ pxmitpriv->bkq_cnt++;
+ pxmitbuf->flags = BK_QUEUE_INX;
+ break;
+ case HIGH_QUEUE_INX:
+ pxmitbuf->flags = HIGH_QUEUE_INX;
+ break;
+ default:
+ pxmitbuf->flags = MGT_QUEUE_INX;
+ break;
+ }
+
+ _exit_critical(&pxmitpriv->lock, &irqL);
+
+ purb = pxmitbuf->pxmit_urb[0];
+
+ /* translate DMA FIFO addr to pipehandle */
+#ifdef RTW_HALMAC
+ pipe = ffaddr2pipehdl(pdvobj, pxmitbuf->bulkout_id);
+#else
+ pipe = ffaddr2pipehdl(pdvobj, addr);
+#endif
+
+#ifdef CONFIG_REDUCE_USB_TX_INT
+ if ((pxmitpriv->free_xmitbuf_cnt % NR_XMITBUFF == 0)
+ || (pxmitbuf->buf_tag > XMITBUF_DATA))
+ purb->transfer_flags &= (~URB_NO_INTERRUPT);
+ else {
+ purb->transfer_flags |= URB_NO_INTERRUPT;
+ /* RTW_INFO("URB_NO_INTERRUPT "); */
+ }
+#endif
+
+
+ usb_fill_bulk_urb(purb, pusbd, pipe,
+ pxmitframe->buf_addr, /* = pxmitbuf->pbuf */
+ cnt,
+ usb_write_port_complete,
+ pxmitbuf);/* context is pxmitbuf */
+
+#ifdef CONFIG_USE_USB_BUFFER_ALLOC_TX
+ purb->transfer_dma = pxmitbuf->dma_transfer_addr;
+ purb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+ purb->transfer_flags |= URB_ZERO_PACKET;
+#endif /* CONFIG_USE_USB_BUFFER_ALLOC_TX */
+
+#ifdef USB_PACKET_OFFSET_SZ
+#if (USB_PACKET_OFFSET_SZ == 0)
+ purb->transfer_flags |= URB_ZERO_PACKET;
+#endif
+#endif
+
+ status = usb_submit_urb(purb, GFP_ATOMIC);
+ if (!status) {
+ #ifdef DBG_CONFIG_ERROR_DETECT
+ {
+ HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
+ pHalData->srestpriv.last_tx_time = rtw_get_current_time();
+ }
+ #endif
+ } else {
+ rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_WRITE_PORT_ERR);
+ RTW_INFO("usb_write_port, status=%d\n", status);
+
+ switch (status) {
+ case -ENODEV:
+ rtw_set_drv_stopped(padapter);
+ break;
+ default:
+ break;
+ }
+ goto exit;
+ }
+
+ ret = _SUCCESS;
+
+ /* Commented by Albert 2009/10/13
+ * We add the URB_ZERO_PACKET flag to urb so that the host will send the zero packet automatically. */
+ /*
+ if(bwritezero == _TRUE)
+ {
+ usb_bulkout_zero(pintfhdl, addr);
+ }
+ */
+
+
+exit:
+ if (ret != _SUCCESS)
+ rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
+ return ret;
+
+}
+
+void usb_write_port_cancel(struct intf_hdl *pintfhdl)
+{
+ int i, j;
+ _adapter *padapter = pintfhdl->padapter;
+ struct xmit_buf *pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmitbuf;
+
+ RTW_INFO("%s\n", __func__);
+
+ for (i = 0; i < NR_XMITBUFF; i++) {
+ for (j = 0; j < 8; j++) {
+ if (pxmitbuf->pxmit_urb[j])
+ usb_kill_urb(pxmitbuf->pxmit_urb[j]);
+ }
+ pxmitbuf++;
+ }
+
+ pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmit_extbuf;
+ for (i = 0; i < NR_XMIT_EXTBUFF ; i++) {
+ for (j = 0; j < 8; j++) {
+ if (pxmitbuf->pxmit_urb[j])
+ usb_kill_urb(pxmitbuf->pxmit_urb[j]);
+ }
+ pxmitbuf++;
+ }
+}
+
+static void usb_init_recvbuf(_adapter *padapter, struct recv_buf *precvbuf)
+{
+
+ precvbuf->transfer_len = 0;
+
+ precvbuf->len = 0;
+
+ precvbuf->ref_cnt = 0;
+
+ if (precvbuf->pbuf) {
+ precvbuf->pdata = precvbuf->phead = precvbuf->ptail = precvbuf->pbuf;
+ precvbuf->pend = precvbuf->pdata + MAX_RECVBUF_SZ;
+ }
+
+}
+
+int recvbuf2recvframe(PADAPTER padapter, void *ptr);
+
+#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
+void usb_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 (RTW_CANNOT_RUN(padapter)) {
+ RTW_INFO("recv_tasklet => bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
+ , rtw_is_drv_stopped(padapter)? "True" : "False"
+ , rtw_is_surprise_removed(padapter)? "True" : "False");
+ break;
+ }
+
+ recvbuf2recvframe(padapter, precvbuf);
+
+ rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
+ }
+}
+
+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;
+
+ ATOMIC_DEC(&(precvpriv->rx_pending_cnt));
+
+ if (RTW_CANNOT_RX(padapter)) {
+ RTW_INFO("%s() RX Warning! bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
+ , __func__
+ , rtw_is_drv_stopped(padapter) ? "True" : "False"
+ , rtw_is_surprise_removed(padapter) ? "True" : "False");
+ return;
+ }
+
+ if (purb->status == 0) {
+
+ if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)) {
+ RTW_INFO("%s()-%d: urb->actual_length:%u, MAX_RECVBUF_SZ:%u, RXDESC_SIZE:%u\n"
+ , __FUNCTION__, __LINE__, purb->actual_length, MAX_RECVBUF_SZ, RXDESC_SIZE);
+ 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_recvbuf(precvbuf, &precvpriv->recv_buf_pending_queue);
+
+ tasklet_schedule(&precvpriv->recv_tasklet);
+ }
+ } else {
+
+ RTW_INFO("###=> usb_read_port_complete => urb.status(%d)\n", purb->status);
+
+ if (rtw_inc_and_chk_continual_io_error(adapter_to_dvobj(padapter)) == _TRUE)
+ rtw_set_surprise_removed(padapter);
+
+ switch (purb->status) {
+ case -EINVAL:
+ case -EPIPE:
+ case -ENODEV:
+ case -ESHUTDOWN:
+ case -ENOENT:
+ rtw_set_drv_stopped(padapter);
+ 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:
+ RTW_INFO("ERROR: URB IS IN PROGRESS!/n");
+ break;
+ default:
+ break;
+ }
+ }
+
+}
+
+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 pwrctrl_priv *pwrctl = dvobj_to_pwrctl(pdvobj);
+ struct recv_priv *precvpriv = &adapter->recvpriv;
+ struct usb_device *pusbd = pdvobj->pusbdev;
+
+
+ if (RTW_CANNOT_RX(adapter) || (precvbuf == NULL)) {
+ return _FAIL;
+ }
+
+ usb_init_recvbuf(adapter, precvbuf);
+
+ if (precvbuf->pbuf) {
+ ATOMIC_INC(&(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))) {
+ RTW_INFO("cannot submit rx in-token(err = 0x%08x),urb_status = %d\n", err, purb->status);
+ ret = _FAIL;
+ }
+
+ }
+
+
+ return ret;
+}
+#else /* CONFIG_USE_USB_BUFFER_ALLOC_RX */
+
+void usb_recv_tasklet(void *priv)
+{
+ _pkt *pskb;
+ _adapter *padapter = (_adapter *)priv;
+ struct recv_priv *precvpriv = &padapter->recvpriv;
+ struct recv_buf *precvbuf = NULL;
+
+ while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue))) {
+
+ if (RTW_CANNOT_RUN(padapter)) {
+ RTW_INFO("recv_tasklet => bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
+ , rtw_is_drv_stopped(padapter) ? "True" : "False"
+ , rtw_is_surprise_removed(padapter) ? "True" : "False");
+ #ifdef CONFIG_PREALLOC_RX_SKB_BUFFER
+ if (rtw_free_skb_premem(pskb) != 0)
+ #endif /* CONFIG_PREALLOC_RX_SKB_BUFFER */
+ rtw_skb_free(pskb);
+ break;
+ }
+
+ recvbuf2recvframe(padapter, pskb);
+
+ skb_reset_tail_pointer(pskb);
+ pskb->len = 0;
+
+ skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
+
+ precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue);
+ if (NULL != precvbuf) {
+ precvbuf->pskb = NULL;
+ 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;
+
+ ATOMIC_DEC(&(precvpriv->rx_pending_cnt));
+
+ if (RTW_CANNOT_RX(padapter)) {
+ RTW_INFO("%s() RX Warning! bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
+ , __func__
+ , rtw_is_drv_stopped(padapter) ? "True" : "False"
+ , rtw_is_surprise_removed(padapter) ? "True" : "False");
+ goto exit;
+ }
+
+ if (purb->status == 0) {
+
+ if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)) {
+ RTW_INFO("%s()-%d: urb->actual_length:%u, MAX_RECVBUF_SZ:%u, RXDESC_SIZE:%u\n"
+ , __FUNCTION__, __LINE__, purb->actual_length, MAX_RECVBUF_SZ, RXDESC_SIZE);
+ 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;
+ skb_put(precvbuf->pskb, purb->actual_length);
+ skb_queue_tail(&precvpriv->rx_skb_queue, precvbuf->pskb);
+
+ #ifndef CONFIG_FIX_NR_BULKIN_BUFFER
+ if (skb_queue_len(&precvpriv->rx_skb_queue) <= 1)
+ #endif
+ tasklet_schedule(&precvpriv->recv_tasklet);
+
+ precvbuf->pskb = NULL;
+ rtw_read_port(padapter, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
+ }
+ } else {
+
+ RTW_INFO("###=> usb_read_port_complete => urb.status(%d)\n", purb->status);
+
+ if (rtw_inc_and_chk_continual_io_error(adapter_to_dvobj(padapter)) == _TRUE)
+ rtw_set_surprise_removed(padapter);
+
+ switch (purb->status) {
+ case -EINVAL:
+ case -EPIPE:
+ case -ENODEV:
+ case -ESHUTDOWN:
+ case -ENOENT:
+ rtw_set_drv_stopped(padapter);
+ 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:
+ RTW_INFO("ERROR: URB IS IN PROGRESS!/n");
+ break;
+ default:
+ break;
+ }
+ }
+
+exit:
+ return;
+}
+
+u32 usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
+{
+ int err;
+ unsigned int pipe;
+ u32 ret = _FAIL;
+ PURB purb = NULL;
+ struct recv_buf *precvbuf = (struct recv_buf *)rmem;
+ _adapter *adapter = pintfhdl->padapter;
+ struct dvobj_priv *pdvobj = adapter_to_dvobj(adapter);
+ struct pwrctrl_priv *pwrctl = dvobj_to_pwrctl(pdvobj);
+ struct recv_priv *precvpriv = &adapter->recvpriv;
+ struct usb_device *pusbd = pdvobj->pusbdev;
+
+
+ if (RTW_CANNOT_RX(adapter) || (precvbuf == NULL)) {
+ goto exit;
+ }
+
+ usb_init_recvbuf(adapter, precvbuf);
+
+ if (precvbuf->pskb == NULL) {
+ SIZE_PTR tmpaddr = 0;
+ SIZE_PTR alignment = 0;
+
+ precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue);
+ if (NULL != precvbuf->pskb)
+ goto recv_buf_hook;
+
+ #ifndef CONFIG_FIX_NR_BULKIN_BUFFER
+ precvbuf->pskb = rtw_skb_alloc(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
+ #endif
+
+ if (precvbuf->pskb == NULL) {
+ if (0)
+ RTW_INFO("usb_read_port() enqueue precvbuf=%p\n", precvbuf);
+ /* enqueue precvbuf and wait for free skb */
+ rtw_enqueue_recvbuf(precvbuf, &precvpriv->recv_buf_pending_queue);
+ goto exit;
+ }
+
+ tmpaddr = (SIZE_PTR)precvbuf->pskb->data;
+ alignment = tmpaddr & (RECVBUFF_ALIGN_SZ - 1);
+ skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
+ }
+
+recv_buf_hook:
+ 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;
+
+ 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);
+
+ err = usb_submit_urb(purb, GFP_ATOMIC);
+ if (err && err != (-EPERM)) {
+ RTW_INFO("cannot submit rx in-token(err = 0x%08x),urb_status = %d\n"
+ , err, purb->status);
+ goto exit;
+ }
+
+ ATOMIC_INC(&(precvpriv->rx_pending_cnt));
+ ret = _SUCCESS;
+
+exit:
+
+
+ return ret;
+}
+#endif /* CONFIG_USE_USB_BUFFER_ALLOC_RX */
+
+#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
+void usb_read_interrupt_complete(struct urb *purb, struct pt_regs *regs)
+{
+ int err;
+ _adapter *padapter = (_adapter *)purb->context;
+
+ if (RTW_CANNOT_RX(padapter)) {
+ RTW_INFO("%s() RX Warning! bDriverStopped(%s) OR bSurpriseRemoved(%s)\n"
+ , __func__
+ , rtw_is_drv_stopped(padapter) ? "True" : "False"
+ , rtw_is_surprise_removed(padapter) ? "True" : "False");
+
+ return;
+ }
+
+ if (purb->status == 0) {/*SUCCESS*/
+ if (purb->actual_length > INTERRUPT_MSG_FORMAT_LEN)
+ RTW_INFO("usb_read_interrupt_complete: purb->actual_length > INTERRUPT_MSG_FORMAT_LEN(%d)\n", INTERRUPT_MSG_FORMAT_LEN);
+
+ rtw_hal_interrupt_handler(padapter, purb->actual_length, purb->transfer_buffer);
+
+ err = usb_submit_urb(purb, GFP_ATOMIC);
+ if ((err) && (err != (-EPERM)))
+ RTW_INFO("cannot submit interrupt in-token(err = 0x%08x),urb_status = %d\n", err, purb->status);
+ } else {
+ RTW_INFO("###=> usb_read_interrupt_complete => urb status(%d)\n", purb->status);
+
+ switch (purb->status) {
+ case -EINVAL:
+ case -EPIPE:
+ case -ENODEV:
+ case -ESHUTDOWN:
+ case -ENOENT:
+ rtw_set_drv_stopped(padapter);
+ break;
+ case -EPROTO:
+ break;
+ case -EINPROGRESS:
+ RTW_INFO("ERROR: URB IS IN PROGRESS!/n");
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+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;
+
+
+ if (RTW_CANNOT_RX(adapter)) {
+ return _FAIL;
+ }
+
+ /*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))) {
+ RTW_INFO("cannot submit interrupt in-token(err = 0x%08x), urb_status = %d\n", err, precvpriv->int_in_urb->status);
+ ret = _FAIL;
+ }
+
+ return ret;
+}
+#endif /* CONFIG_USB_INTERRUPT_IN_PIPE */
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