--- /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 <recv_osdep.h>
+#include <rtw_sreset.h>
+
+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;
+ struct 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;
+ }
+
+ INIT_LIST_HEAD(&precvframe->list);
+ precvframe->len = 0;
+
+ update_recvframe_attrib_88e(precvframe, prxstat);
+
+ pattrib = &precvframe->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->pkt = pkt_copy;
+ precvframe->rx_head = pkt_copy->data;
+ precvframe->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->rx_tail = pkt_copy->data;
+ precvframe->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->pkt = skb_clone(pskb, GFP_ATOMIC);
+ if (precvframe->pkt) {
+ precvframe->rx_tail = pbuf + pattrib->drvinfo_sz + RXDESC_SIZE;
+ precvframe->rx_head = precvframe->rx_tail;
+ precvframe->rx_data = precvframe->rx_tail;
+ precvframe->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)round_up(pkt_offset, 128);
+ break;
+ case USB_RX_AGG_USB:
+ pkt_offset = (u16)round_up(pkt_offset, 4);
+ 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->rx_data);
+ } else if (pattrib->pkt_rpt_type == TX_REPORT2) {
+ ODM_RA_TxRPT2Handle_8188E(
+ &haldata->odmpriv,
+ precvframe->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->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;
+}
+
+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_rcvbulkpipe(pusbd, pdvobj->RtInPipe[1]);
+ } else if (addr < HW_QUEUE_ENTRY) {
+ ep_num = pdvobj->Queue2Pipe[addr];
+ pipe = usb_sndbulkpipe(pusbd, ep_num);
+ }
+
+ return pipe;
+}
+
+static int usbctrl_vendorreq(struct adapter *adapt, u8 request, u16 value, u16 index, void *pdata, u16 len, u8 requesttype)
+{
+ 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) {
+ 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 = usb_control_msg(udev, pipe, request, reqtype, value, index, pIo_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT);
+
+ if (status == len) { /* Success this control transfer. */
+ 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);
+ }
+ }
+ }
+
+ }
+
+ /* firmware download is checksumed, don't retry */
+ if ((value >= FW_8188E_START_ADDRESS && value <= FW_8188E_END_ADDRESS) || status == len)
+ break;
+ }
+release_mutex:
+ mutex_unlock(&dvobjpriv->usb_vendor_req_mutex);
+exit:
+ return status;
+}
+
+u8 usb_read8(struct adapter *adapter, u32 addr)
+{
+ u8 request;
+ u8 requesttype;
+ u16 wvalue;
+ u16 index;
+ u16 len;
+ u8 data = 0;
+
+
+ request = 0x05;
+ requesttype = 0x01;/* read_in */
+ index = 0;/* n/a */
+
+ wvalue = (u16)(addr&0x0000ffff);
+ len = 1;
+
+ usbctrl_vendorreq(adapter, request, wvalue, index, &data, len, requesttype);
+
+
+ return data;
+
+}
+
+u16 usb_read16(struct adapter *adapter, u32 addr)
+{
+ u8 request;
+ u8 requesttype;
+ u16 wvalue;
+ u16 index;
+ u16 len;
+ __le32 data;
+
+ request = 0x05;
+ requesttype = 0x01;/* read_in */
+ index = 0;/* n/a */
+ wvalue = (u16)(addr&0x0000ffff);
+ len = 2;
+ usbctrl_vendorreq(adapter, request, wvalue, index, &data, len, requesttype);
+
+ return (u16)(le32_to_cpu(data)&0xffff);
+}
+
+u32 usb_read32(struct adapter *adapter, u32 addr)
+{
+ u8 request;
+ u8 requesttype;
+ u16 wvalue;
+ u16 index;
+ u16 len;
+ __le32 data;
+
+
+ request = 0x05;
+ requesttype = 0x01;/* read_in */
+ index = 0;/* n/a */
+
+ wvalue = (u16)(addr&0x0000ffff);
+ len = 4;
+
+ usbctrl_vendorreq(adapter, request, wvalue, index, &data, len, requesttype);
+
+
+ return le32_to_cpu(data);
+}
+
+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);
+ return;
+ }
+
+ 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;
+ usb_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
+ DBG_88E("%s()-%d: RX Warning!\n", __func__, __LINE__);
+ } else {
+ 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;
+ usb_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);
+ skb_put(precvbuf->pskb, purb->actual_length);
+ precvbuf->pskb = NULL;
+
+ switch (purb->status) {
+ case -EINVAL:
+ case -EPIPE:
+ case -ENODEV:
+ case -ESHUTDOWN:
+ adapt->bSurpriseRemoved = true;
+ 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;
+ usb_read_port(adapt, precvpriv->ff_hwaddr, 0, (unsigned char *)precvbuf);
+ break;
+ case -EINPROGRESS:
+ DBG_88E("ERROR: URB IS IN PROGRESS!\n");
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+u32 usb_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *rmem)
+{
+ struct urb *purb = NULL;
+ struct recv_buf *precvbuf = (struct recv_buf *)rmem;
+ 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;
+
+
+ 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) {
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
+ ("usb_read_port:precvbuf==NULL\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;
+ }
+
+ /* 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));
+ } else { /* reuse skb */
+ 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->pskb->data,
+ 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;
+ }
+
+ return ret;
+}
+
+void usb_read_port_cancel(struct adapter *padapter)
+{
+ int i;
+ struct recv_buf *precvbuf;
+
+ precvbuf = (struct recv_buf *)padapter->recvpriv.precv_buf;
+
+ DBG_88E("%s\n", __func__);
+
+ padapter->bReadPortCancel = true;
+
+ for (i = 0; i < NR_RECVBUFF; i++) {
+ precvbuf->reuse = true;
+ if (precvbuf->purb)
+ usb_kill_urb(precvbuf->purb);
+ precvbuf++;
+ }
+}
+
+int usb_write8(struct adapter *adapter, u32 addr, u8 val)
+{
+ u8 request;
+ u8 requesttype;
+ u16 wvalue;
+ u16 index;
+ u16 len;
+ u8 data;
+
+ request = 0x05;
+ requesttype = 0x00;/* write_out */
+ index = 0;/* n/a */
+ wvalue = (u16)(addr&0x0000ffff);
+ len = 1;
+ data = val;
+ return usbctrl_vendorreq(adapter, request, wvalue,
+ index, &data, len, requesttype);
+}
+
+int usb_write16(struct adapter *adapter, u32 addr, u16 val)
+{
+ u8 request;
+ u8 requesttype;
+ u16 wvalue;
+ u16 index;
+ u16 len;
+ __le32 data;
+
+
+ request = 0x05;
+ requesttype = 0x00;/* write_out */
+ index = 0;/* n/a */
+
+ wvalue = (u16)(addr&0x0000ffff);
+ len = 2;
+
+ data = cpu_to_le32(val & 0x0000ffff);
+
+ return usbctrl_vendorreq(adapter, request, wvalue,
+ index, &data, len, requesttype);
+
+
+}
+
+int usb_write32(struct adapter *adapter, u32 addr, u32 val)
+{
+ u8 request;
+ u8 requesttype;
+ u16 wvalue;
+ u16 index;
+ u16 len;
+ __le32 data;
+
+
+ request = 0x05;
+ requesttype = 0x00;/* write_out */
+ index = 0;/* n/a */
+
+ wvalue = (u16)(addr&0x0000ffff);
+ len = 4;
+ data = cpu_to_le32(val);
+
+ return usbctrl_vendorreq(adapter, request, wvalue,
+ index, &data, len, requesttype);
+
+
+}
+
+static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs)
+{
+ struct xmit_buf *pxmitbuf = (struct xmit_buf *)purb->context;
+ struct adapter *padapter = pxmitbuf->padapter;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ 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;
+ case HIGH_QUEUE_INX:
+#ifdef CONFIG_88EU_AP_MODE
+ rtw_chk_hi_queue_cmd(padapter);
+#endif
+ break;
+ default:
+ break;
+ }
+
+ if (padapter->bSurpriseRemoved || padapter->bDriverStopped ||
+ padapter->bWritePortCancel) {
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
+ ("usb_write_port_complete:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
+ padapter->bDriverStopped, padapter->bSurpriseRemoved));
+ DBG_88E("%s(): TX Warning! bDriverStopped(%d) OR bSurpriseRemoved(%d) bWritePortCancel(%d) pxmitbuf->ext_tag(%x)\n",
+ __func__, padapter->bDriverStopped,
+ padapter->bSurpriseRemoved, padapter->bReadPortCancel,
+ pxmitbuf->ext_tag);
+
+ goto check_completion;
+ }
+
+ if (purb->status) {
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete : purb->status(%d) != 0\n", purb->status));
+ DBG_88E("###=> urb_write_port_complete status(%d)\n", purb->status);
+ if ((purb->status == -EPIPE) || (purb->status == -EPROTO)) {
+ sreset_set_wifi_error_status(padapter, USB_WRITE_PORT_FAIL);
+ } else if (purb->status == -EINPROGRESS) {
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete: EINPROGESS\n"));
+ goto check_completion;
+ } else if (purb->status == -ENOENT) {
+ DBG_88E("%s: -ENOENT\n", __func__);
+ goto check_completion;
+ } else if (purb->status == -ECONNRESET) {
+ DBG_88E("%s: -ECONNRESET\n", __func__);
+ goto check_completion;
+ } else if (purb->status == -ESHUTDOWN) {
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete: ESHUTDOWN\n"));
+ padapter->bDriverStopped = true;
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete:bDriverStopped = true\n"));
+ goto check_completion;
+ } else {
+ padapter->bSurpriseRemoved = true;
+ DBG_88E("bSurpriseRemoved = true\n");
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port_complete:bSurpriseRemoved = true\n"));
+
+ goto check_completion;
+ }
+ }
+
+check_completion:
+ rtw_sctx_done_err(&pxmitbuf->sctx,
+ purb->status ? RTW_SCTX_DONE_WRITE_PORT_ERR :
+ RTW_SCTX_DONE_SUCCESS);
+
+ rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
+
+ tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
+}
+
+u32 usb_write_port(struct adapter *padapter, u32 addr, u32 cnt, u8 *wmem)
+{
+ unsigned long irqL;
+ unsigned int pipe;
+ int status;
+ u32 ret = _FAIL;
+ struct urb *purb = NULL;
+ struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
+ 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;
+
+
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("+usb_write_port\n"));
+
+ if ((padapter->bDriverStopped) || (padapter->bSurpriseRemoved) ||
+ (padapter->pwrctrlpriv.pnp_bstop_trx)) {
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_,
+ ("usb_write_port:( padapter->bDriverStopped ||padapter->bSurpriseRemoved ||adapter->pwrctrlpriv.pnp_bstop_trx)!!!\n"));
+ rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_TX_DENY);
+ goto exit;
+ }
+
+ spin_lock_irqsave(&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;
+ }
+
+ spin_unlock_irqrestore(&pxmitpriv->lock, irqL);
+
+ purb = pxmitbuf->pxmit_urb[0];
+
+ /* translate DMA FIFO addr to pipehandle */
+ pipe = ffaddr2pipehdl(pdvobj, addr);
+
+ usb_fill_bulk_urb(purb, pusbd, pipe,
+ pxmitframe->buf_addr, /* pxmitbuf->pbuf */
+ cnt,
+ usb_write_port_complete,
+ pxmitbuf);/* context is pxmitbuf */
+
+ status = usb_submit_urb(purb, GFP_ATOMIC);
+ if (status) {
+ rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_WRITE_PORT_ERR);
+ DBG_88E("usb_write_port, status =%d\n", status);
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_write_port(): usb_submit_urb, status =%x\n", status));
+
+ switch (status) {
+ case -ENODEV:
+ padapter->bDriverStopped = true;
+ break;
+ default:
+ break;
+ }
+ goto exit;
+ }
+
+ ret = _SUCCESS;
+
+/* We add the URB_ZERO_PACKET flag to urb so that the host will send the zero packet automatically. */
+
+ RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("-usb_write_port\n"));
+
+exit:
+ if (ret != _SUCCESS)
+ rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
+ return ret;
+}
+
+void usb_write_port_cancel(struct adapter *padapter)
+{
+ int i, j;
+ struct xmit_buf *pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmitbuf;
+
+ DBG_88E("%s\n", __func__);
+
+ padapter->bWritePortCancel = true;
+
+ 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++;
+ }
+}
+
+void rtl8188eu_recv_tasklet(void *priv)
+{
+ struct sk_buff *pskb;
+ struct adapter *adapt = 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);
+ }
+}
+
+void rtl8188eu_xmit_tasklet(void *priv)
+{
+ int ret = false;
+ struct adapter *adapt = 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;
+ }
+}
Code Review / kvmfornfv.git / blobdiff