--- /dev/null
+/******************************************************************************
+ *
+ * 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_INTF_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <recv_osdep.h>
+#include <xmit_osdep.h>
+#include <hal_intf.h>
+#include <rtw_version.h>
+#include <linux/usb.h>
+#include <osdep_intf.h>
+
+#include <usb_vendor_req.h>
+#include <usb_ops.h>
+#include <usb_osintf.h>
+#include <usb_hal.h>
+#include <rtw_ioctl.h>
+
+int ui_pid[3] = {0, 0, 0};
+
+static int rtw_suspend(struct usb_interface *intf, pm_message_t message);
+static int rtw_resume(struct usb_interface *intf);
+
+
+static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid);
+static void rtw_dev_remove(struct usb_interface *pusb_intf);
+
+
+#define USB_VENDER_ID_REALTEK 0x0bda
+
+/* DID_USB_v916_20130116 */
+static struct usb_device_id rtw_usb_id_tbl[] = {
+ /*=== Realtek demoboard ===*/
+ {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8179)}, /* 8188EUS */
+ {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */
+ /*=== Customer ID ===*/
+ /****** 8188EUS ********/
+ {USB_DEVICE(0x8179, 0x07B8)}, /* Abocom - Abocom */
+ {} /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
+
+static struct specific_device_id specific_device_id_tbl[] = {
+ {} /* empty table for now */
+};
+
+struct rtw_usb_drv {
+ struct usb_driver usbdrv;
+ int drv_registered;
+ struct mutex hw_init_mutex;
+};
+
+static struct rtw_usb_drv rtl8188e_usb_drv = {
+ .usbdrv.name = (char *)"r8188eu",
+ .usbdrv.probe = rtw_drv_init,
+ .usbdrv.disconnect = rtw_dev_remove,
+ .usbdrv.id_table = rtw_usb_id_tbl,
+ .usbdrv.suspend = rtw_suspend,
+ .usbdrv.resume = rtw_resume,
+ .usbdrv.reset_resume = rtw_resume,
+};
+
+static struct rtw_usb_drv *usb_drv = &rtl8188e_usb_drv;
+
+static inline int RT_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
+{
+ return (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN;
+}
+
+static inline int RT_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
+{
+ return (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT;
+}
+
+static inline int RT_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
+{
+ return (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT;
+}
+
+static inline int RT_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
+{
+ return (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK;
+}
+
+static inline int RT_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
+{
+ return RT_usb_endpoint_xfer_bulk(epd) && RT_usb_endpoint_dir_in(epd);
+}
+
+static inline int RT_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
+{
+ return RT_usb_endpoint_xfer_bulk(epd) && RT_usb_endpoint_dir_out(epd);
+}
+
+static inline int usb_endpoint_is_int(const struct usb_endpoint_descriptor *epd)
+{
+ return RT_usb_endpoint_xfer_int(epd) && RT_usb_endpoint_dir_in(epd);
+}
+
+static inline int RT_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
+{
+ return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+}
+
+static u8 rtw_init_intf_priv(struct dvobj_priv *dvobj)
+{
+ u8 rst = _SUCCESS;
+
+ _rtw_mutex_init(&dvobj->usb_vendor_req_mutex);
+
+ dvobj->usb_alloc_vendor_req_buf = rtw_zmalloc(MAX_USB_IO_CTL_SIZE);
+ if (dvobj->usb_alloc_vendor_req_buf == NULL) {
+ DBG_88E("alloc usb_vendor_req_buf failed... /n");
+ rst = _FAIL;
+ goto exit;
+ }
+ dvobj->usb_vendor_req_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(dvobj->usb_alloc_vendor_req_buf), ALIGNMENT_UNIT);
+exit:
+ return rst;
+}
+
+static u8 rtw_deinit_intf_priv(struct dvobj_priv *dvobj)
+{
+ u8 rst = _SUCCESS;
+
+ kfree(dvobj->usb_alloc_vendor_req_buf);
+ _rtw_mutex_free(&dvobj->usb_vendor_req_mutex);
+ return rst;
+}
+
+static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
+{
+ int i;
+ int status = _FAIL;
+ struct dvobj_priv *pdvobjpriv;
+ struct usb_host_config *phost_conf;
+ struct usb_config_descriptor *pconf_desc;
+ struct usb_host_interface *phost_iface;
+ struct usb_interface_descriptor *piface_desc;
+ struct usb_host_endpoint *phost_endp;
+ struct usb_endpoint_descriptor *pendp_desc;
+ struct usb_device *pusbd;
+
+_func_enter_;
+
+ pdvobjpriv = (struct dvobj_priv *)rtw_zmalloc(sizeof(*pdvobjpriv));
+ if (pdvobjpriv == NULL)
+ goto exit;
+
+ pdvobjpriv->pusbintf = usb_intf;
+ pusbd = interface_to_usbdev(usb_intf);
+ pdvobjpriv->pusbdev = pusbd;
+ usb_set_intfdata(usb_intf, pdvobjpriv);
+
+ pdvobjpriv->RtNumInPipes = 0;
+ pdvobjpriv->RtNumOutPipes = 0;
+
+ phost_conf = pusbd->actconfig;
+ pconf_desc = &phost_conf->desc;
+
+ phost_iface = &usb_intf->altsetting[0];
+ piface_desc = &phost_iface->desc;
+
+ pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
+ pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
+ pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
+
+ for (i = 0; i < pdvobjpriv->nr_endpoint; i++) {
+ phost_endp = phost_iface->endpoint + i;
+ if (phost_endp) {
+ pendp_desc = &phost_endp->desc;
+
+ DBG_88E("\nusb_endpoint_descriptor(%d):\n", i);
+ DBG_88E("bLength=%x\n", pendp_desc->bLength);
+ DBG_88E("bDescriptorType=%x\n",
+ pendp_desc->bDescriptorType);
+ DBG_88E("bEndpointAddress=%x\n",
+ pendp_desc->bEndpointAddress);
+ DBG_88E("wMaxPacketSize=%d\n",
+ le16_to_cpu(pendp_desc->wMaxPacketSize));
+ DBG_88E("bInterval=%x\n", pendp_desc->bInterval);
+
+ if (RT_usb_endpoint_is_bulk_in(pendp_desc)) {
+ DBG_88E("RT_usb_endpoint_is_bulk_in = %x\n",
+ RT_usb_endpoint_num(pendp_desc));
+ pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = RT_usb_endpoint_num(pendp_desc);
+ pdvobjpriv->RtNumInPipes++;
+ } else if (usb_endpoint_is_int(pendp_desc)) {
+ DBG_88E("usb_endpoint_is_int = %x, Interval = %x\n",
+ RT_usb_endpoint_num(pendp_desc),
+ pendp_desc->bInterval);
+ pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = RT_usb_endpoint_num(pendp_desc);
+ pdvobjpriv->RtNumInPipes++;
+ } else if (RT_usb_endpoint_is_bulk_out(pendp_desc)) {
+ DBG_88E("RT_usb_endpoint_is_bulk_out = %x\n",
+ RT_usb_endpoint_num(pendp_desc));
+ pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] = RT_usb_endpoint_num(pendp_desc);
+ pdvobjpriv->RtNumOutPipes++;
+ }
+ pdvobjpriv->ep_num[i] = RT_usb_endpoint_num(pendp_desc);
+ }
+ }
+
+ DBG_88E("nr_endpoint=%d, in_num=%d, out_num=%d\n\n",
+ pdvobjpriv->nr_endpoint, pdvobjpriv->RtNumInPipes,
+ pdvobjpriv->RtNumOutPipes);
+
+ if (pusbd->speed == USB_SPEED_HIGH) {
+ pdvobjpriv->ishighspeed = true;
+ DBG_88E("USB_SPEED_HIGH\n");
+ } else {
+ pdvobjpriv->ishighspeed = false;
+ DBG_88E("NON USB_SPEED_HIGH\n");
+ }
+
+ if (rtw_init_intf_priv(pdvobjpriv) == _FAIL) {
+ RT_TRACE(_module_os_intfs_c_, _drv_err_,
+ ("\n Can't INIT rtw_init_intf_priv\n"));
+ goto free_dvobj;
+ }
+
+ /* 3 misc */
+ _rtw_init_sema(&(pdvobjpriv->usb_suspend_sema), 0);
+ rtw_reset_continual_urb_error(pdvobjpriv);
+
+ usb_get_dev(pusbd);
+
+ status = _SUCCESS;
+
+free_dvobj:
+ if (status != _SUCCESS && pdvobjpriv) {
+ usb_set_intfdata(usb_intf, NULL);
+ kfree(pdvobjpriv);
+ pdvobjpriv = NULL;
+ }
+exit:
+_func_exit_;
+ return pdvobjpriv;
+}
+
+static void usb_dvobj_deinit(struct usb_interface *usb_intf)
+{
+ struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
+
+_func_enter_;
+
+ usb_set_intfdata(usb_intf, NULL);
+ if (dvobj) {
+ /* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
+ if ((dvobj->NumInterfaces != 2 &&
+ dvobj->NumInterfaces != 3) ||
+ (dvobj->InterfaceNumber == 1)) {
+ if (interface_to_usbdev(usb_intf)->state !=
+ USB_STATE_NOTATTACHED) {
+ /* If we didn't unplug usb dongle and
+ * remove/insert module, driver fails
+ * on sitesurvey for the first time when
+ * device is up . Reset usb port for sitesurvey
+ * fail issue. */
+ DBG_88E("usb attached..., try to reset usb device\n");
+ usb_reset_device(interface_to_usbdev(usb_intf));
+ }
+ }
+ rtw_deinit_intf_priv(dvobj);
+ kfree(dvobj);
+ }
+
+ usb_put_dev(interface_to_usbdev(usb_intf));
+
+_func_exit_;
+}
+
+static void chip_by_usb_id(struct adapter *padapter,
+ const struct usb_device_id *pdid)
+{
+ padapter->chip_type = NULL_CHIP_TYPE;
+ hal_set_hw_type(padapter);
+}
+
+static void usb_intf_start(struct adapter *padapter)
+{
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_start\n"));
+
+ rtw_hal_inirp_init(padapter);
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_start\n"));
+}
+
+static void usb_intf_stop(struct adapter *padapter)
+{
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_stop\n"));
+
+ /* disabel_hw_interrupt */
+ if (!padapter->bSurpriseRemoved) {
+ /* device still exists, so driver can do i/o operation */
+ /* TODO: */
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_,
+ ("SurpriseRemoved == false\n"));
+ }
+
+ /* cancel in irp */
+ rtw_hal_inirp_deinit(padapter);
+
+ /* cancel out irp */
+ rtw_write_port_cancel(padapter);
+
+ /* todo:cancel other irps */
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-usb_intf_stop\n"));
+}
+
+static void rtw_dev_unload(struct adapter *padapter)
+{
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_dev_unload\n"));
+
+ if (padapter->bup) {
+ DBG_88E("===> rtw_dev_unload\n");
+ padapter->bDriverStopped = true;
+ if (padapter->xmitpriv.ack_tx)
+ rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
+ /* s3. */
+ if (padapter->intf_stop)
+ padapter->intf_stop(padapter);
+ /* s4. */
+ if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
+ rtw_stop_drv_threads(padapter);
+
+ /* s5. */
+ if (!padapter->bSurpriseRemoved) {
+ rtw_hal_deinit(padapter);
+ padapter->bSurpriseRemoved = true;
+ }
+
+ padapter->bup = false;
+ } else {
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_,
+ ("r871x_dev_unload():padapter->bup == false\n"));
+ }
+
+ DBG_88E("<=== rtw_dev_unload\n");
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-rtw_dev_unload\n"));
+}
+
+static void process_spec_devid(const struct usb_device_id *pdid)
+{
+ u16 vid, pid;
+ u32 flags;
+ int i;
+ int num = sizeof(specific_device_id_tbl) /
+ sizeof(struct specific_device_id);
+
+ for (i = 0; i < num; i++) {
+ vid = specific_device_id_tbl[i].idVendor;
+ pid = specific_device_id_tbl[i].idProduct;
+ flags = specific_device_id_tbl[i].flags;
+
+ if ((pdid->idVendor == vid) && (pdid->idProduct == pid) &&
+ (flags&SPEC_DEV_ID_DISABLE_HT)) {
+ rtw_ht_enable = 0;
+ rtw_cbw40_enable = 0;
+ rtw_ampdu_enable = 0;
+ }
+ }
+}
+
+int rtw_hw_suspend(struct adapter *padapter)
+{
+ struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
+ struct net_device *pnetdev = padapter->pnetdev;
+
+ _func_enter_;
+
+ if ((!padapter->bup) || (padapter->bDriverStopped) ||
+ (padapter->bSurpriseRemoved)) {
+ DBG_88E("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
+ padapter->bup, padapter->bDriverStopped,
+ padapter->bSurpriseRemoved);
+ goto error_exit;
+ }
+
+ if (padapter) { /* system suspend */
+ LeaveAllPowerSaveMode(padapter);
+
+ DBG_88E("==> rtw_hw_suspend\n");
+ _enter_pwrlock(&pwrpriv->lock);
+ pwrpriv->bips_processing = true;
+ /* s1. */
+ if (pnetdev) {
+ netif_carrier_off(pnetdev);
+ rtw_netif_stop_queue(pnetdev);
+ }
+
+ /* s2. */
+ rtw_disassoc_cmd(padapter, 500, false);
+
+ /* s2-2. indicate disconnect to os */
+ {
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+ if (check_fwstate(pmlmepriv, _FW_LINKED)) {
+ _clr_fwstate_(pmlmepriv, _FW_LINKED);
+
+ rtw_led_control(padapter, LED_CTL_NO_LINK);
+
+ rtw_os_indicate_disconnect(padapter);
+
+ /* donnot enqueue cmd */
+ rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 0);
+ }
+ }
+ /* s2-3. */
+ rtw_free_assoc_resources(padapter, 1);
+
+ /* s2-4. */
+ rtw_free_network_queue(padapter, true);
+ rtw_ips_dev_unload(padapter);
+ pwrpriv->rf_pwrstate = rf_off;
+ pwrpriv->bips_processing = false;
+
+ _exit_pwrlock(&pwrpriv->lock);
+ } else {
+ goto error_exit;
+ }
+ _func_exit_;
+ return 0;
+
+error_exit:
+ DBG_88E("%s, failed\n", __func__);
+ return -1;
+}
+
+int rtw_hw_resume(struct adapter *padapter)
+{
+ struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
+ struct net_device *pnetdev = padapter->pnetdev;
+
+ _func_enter_;
+
+ if (padapter) { /* system resume */
+ DBG_88E("==> rtw_hw_resume\n");
+ _enter_pwrlock(&pwrpriv->lock);
+ pwrpriv->bips_processing = true;
+ rtw_reset_drv_sw(padapter);
+
+ if (pm_netdev_open(pnetdev, false) != 0) {
+ _exit_pwrlock(&pwrpriv->lock);
+ goto error_exit;
+ }
+
+ netif_device_attach(pnetdev);
+ netif_carrier_on(pnetdev);
+
+ if (!netif_queue_stopped(pnetdev))
+ netif_start_queue(pnetdev);
+ else
+ netif_wake_queue(pnetdev);
+
+ pwrpriv->bkeepfwalive = false;
+ pwrpriv->brfoffbyhw = false;
+
+ pwrpriv->rf_pwrstate = rf_on;
+ pwrpriv->bips_processing = false;
+
+ _exit_pwrlock(&pwrpriv->lock);
+ } else {
+ goto error_exit;
+ }
+
+ _func_exit_;
+
+ return 0;
+error_exit:
+ DBG_88E("%s, Open net dev failed\n", __func__);
+ return -1;
+}
+
+static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
+{
+ struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
+ struct adapter *padapter = dvobj->if1;
+ struct net_device *pnetdev = padapter->pnetdev;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
+
+ int ret = 0;
+ u32 start_time = rtw_get_current_time();
+
+ _func_enter_;
+
+ DBG_88E("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
+
+ if ((!padapter->bup) || (padapter->bDriverStopped) ||
+ (padapter->bSurpriseRemoved)) {
+ DBG_88E("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
+ padapter->bup, padapter->bDriverStopped,
+ padapter->bSurpriseRemoved);
+ goto exit;
+ }
+
+ pwrpriv->bInSuspend = true;
+ rtw_cancel_all_timer(padapter);
+ LeaveAllPowerSaveMode(padapter);
+
+ _enter_pwrlock(&pwrpriv->lock);
+ /* s1. */
+ if (pnetdev) {
+ netif_carrier_off(pnetdev);
+ rtw_netif_stop_queue(pnetdev);
+ }
+
+ /* s2. */
+ rtw_disassoc_cmd(padapter, 0, false);
+
+ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
+ check_fwstate(pmlmepriv, _FW_LINKED)) {
+ DBG_88E("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
+ __func__, __LINE__,
+ pmlmepriv->cur_network.network.Ssid.Ssid,
+ pmlmepriv->cur_network.network.MacAddress,
+ pmlmepriv->cur_network.network.Ssid.SsidLength,
+ pmlmepriv->assoc_ssid.SsidLength);
+
+ pmlmepriv->to_roaming = 1;
+ }
+ /* s2-2. indicate disconnect to os */
+ rtw_indicate_disconnect(padapter);
+ /* s2-3. */
+ rtw_free_assoc_resources(padapter, 1);
+ /* s2-4. */
+ rtw_free_network_queue(padapter, true);
+
+ rtw_dev_unload(padapter);
+ _exit_pwrlock(&pwrpriv->lock);
+
+ if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
+ rtw_indicate_scan_done(padapter, 1);
+
+ if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
+ rtw_indicate_disconnect(padapter);
+
+exit:
+ DBG_88E("<=== %s return %d.............. in %dms\n", __func__
+ , ret, rtw_get_passing_time_ms(start_time));
+
+ _func_exit_;
+ return ret;
+}
+
+static int rtw_resume(struct usb_interface *pusb_intf)
+{
+ struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
+ struct adapter *padapter = dvobj->if1;
+ struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
+ int ret = 0;
+
+ if (pwrpriv->bInternalAutoSuspend)
+ ret = rtw_resume_process(padapter);
+ else
+ ret = rtw_resume_process(padapter);
+ return ret;
+}
+
+int rtw_resume_process(struct adapter *padapter)
+{
+ struct net_device *pnetdev;
+ struct pwrctrl_priv *pwrpriv = NULL;
+ int ret = -1;
+ u32 start_time = rtw_get_current_time();
+ _func_enter_;
+
+ DBG_88E("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
+
+ if (padapter) {
+ pnetdev = padapter->pnetdev;
+ pwrpriv = &padapter->pwrctrlpriv;
+ } else {
+ goto exit;
+ }
+
+ _enter_pwrlock(&pwrpriv->lock);
+ rtw_reset_drv_sw(padapter);
+ if (pwrpriv)
+ pwrpriv->bkeepfwalive = false;
+
+ DBG_88E("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
+ if (pm_netdev_open(pnetdev, true) != 0)
+ goto exit;
+
+ netif_device_attach(pnetdev);
+ netif_carrier_on(pnetdev);
+
+ _exit_pwrlock(&pwrpriv->lock);
+
+ if (padapter->pid[1] != 0) {
+ DBG_88E("pid[1]:%d\n", padapter->pid[1]);
+ rtw_signal_process(padapter->pid[1], SIGUSR2);
+ }
+
+ rtw_roaming(padapter, NULL);
+
+ ret = 0;
+exit:
+ if (pwrpriv)
+ pwrpriv->bInSuspend = false;
+ DBG_88E("<=== %s return %d.............. in %dms\n", __func__,
+ ret, rtw_get_passing_time_ms(start_time));
+
+ _func_exit_;
+
+ return ret;
+}
+
+/*
+ * drv_init() - a device potentially for us
+ *
+ * notes: drv_init() is called when the bus driver has located
+ * a card for us to support.
+ * We accept the new device by returning 0.
+ */
+
+static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
+ struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
+{
+ struct adapter *padapter = NULL;
+ struct net_device *pnetdev = NULL;
+ int status = _FAIL;
+
+ padapter = (struct adapter *)rtw_zvmalloc(sizeof(*padapter));
+ if (padapter == NULL)
+ goto exit;
+ padapter->dvobj = dvobj;
+ dvobj->if1 = padapter;
+
+ padapter->bDriverStopped = true;
+
+ padapter->hw_init_mutex = &usb_drv->hw_init_mutex;
+
+ /* step 1-1., decide the chip_type via vid/pid */
+ padapter->interface_type = RTW_USB;
+ chip_by_usb_id(padapter, pdid);
+
+ if (rtw_handle_dualmac(padapter, 1) != _SUCCESS)
+ goto free_adapter;
+
+ pnetdev = rtw_init_netdev(padapter);
+ if (pnetdev == NULL)
+ goto handle_dualmac;
+ SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
+ padapter = rtw_netdev_priv(pnetdev);
+
+ /* step 2. hook HalFunc, allocate HalData */
+ hal_set_hal_ops(padapter);
+
+ padapter->intf_start = &usb_intf_start;
+ padapter->intf_stop = &usb_intf_stop;
+
+ /* step init_io_priv */
+ rtw_init_io_priv(padapter, usb_set_intf_ops);
+
+ /* step read_chip_version */
+ rtw_hal_read_chip_version(padapter);
+
+ /* step usb endpoint mapping */
+ rtw_hal_chip_configure(padapter);
+
+ /* step read efuse/eeprom data and get mac_addr */
+ rtw_hal_read_chip_info(padapter);
+
+ /* step 5. */
+ if (rtw_init_drv_sw(padapter) == _FAIL) {
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_,
+ ("Initialize driver software resource Failed!\n"));
+ goto free_hal_data;
+ }
+
+#ifdef CONFIG_PM
+ if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
+ dvobj->pusbdev->do_remote_wakeup = 1;
+ pusb_intf->needs_remote_wakeup = 1;
+ device_init_wakeup(&pusb_intf->dev, 1);
+ DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
+ DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
+ device_may_wakeup(&pusb_intf->dev));
+ }
+#endif
+
+ /* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
+ * suspend influence */
+ if (usb_autopm_get_interface(pusb_intf) < 0)
+ DBG_88E("can't get autopm:\n");
+
+ /* alloc dev name after read efuse. */
+ rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
+ rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
+#ifdef CONFIG_88EU_P2P
+ rtw_init_wifidirect_addrs(padapter, padapter->eeprompriv.mac_addr,
+ padapter->eeprompriv.mac_addr);
+#endif
+ memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
+ DBG_88E("MAC Address from pnetdev->dev_addr = %pM\n",
+ pnetdev->dev_addr);
+
+ /* step 6. Tell the network stack we exist */
+ if (register_netdev(pnetdev) != 0) {
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
+ goto free_hal_data;
+ }
+
+ DBG_88E("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
+ , padapter->bDriverStopped
+ , padapter->bSurpriseRemoved
+ , padapter->bup
+ , padapter->hw_init_completed
+ );
+
+ status = _SUCCESS;
+
+free_hal_data:
+ if (status != _SUCCESS && padapter->HalData)
+ kfree(padapter->HalData);
+handle_dualmac:
+ if (status != _SUCCESS)
+ rtw_handle_dualmac(padapter, 0);
+free_adapter:
+ if (status != _SUCCESS) {
+ if (pnetdev)
+ rtw_free_netdev(pnetdev);
+ else if (padapter)
+ rtw_vmfree((u8 *)padapter, sizeof(*padapter));
+ padapter = NULL;
+ }
+exit:
+ return padapter;
+}
+
+static void rtw_usb_if1_deinit(struct adapter *if1)
+{
+ struct net_device *pnetdev = if1->pnetdev;
+ struct mlme_priv *pmlmepriv = &if1->mlmepriv;
+
+ if (check_fwstate(pmlmepriv, _FW_LINKED))
+ rtw_disassoc_cmd(if1, 0, false);
+
+#ifdef CONFIG_88EU_AP_MODE
+ free_mlme_ap_info(if1);
+#endif
+
+ if (if1->DriverState != DRIVER_DISAPPEAR) {
+ if (pnetdev) {
+ /* will call netdev_close() */
+ unregister_netdev(pnetdev);
+ rtw_proc_remove_one(pnetdev);
+ }
+ }
+ rtw_cancel_all_timer(if1);
+
+ rtw_dev_unload(if1);
+ DBG_88E("+r871xu_dev_remove, hw_init_completed=%d\n",
+ if1->hw_init_completed);
+ rtw_handle_dualmac(if1, 0);
+ rtw_free_drv_sw(if1);
+ if (pnetdev)
+ rtw_free_netdev(pnetdev);
+}
+
+static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
+{
+ struct adapter *if1 = NULL;
+ int status;
+ struct dvobj_priv *dvobj;
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_init\n"));
+
+ /* step 0. */
+ process_spec_devid(pdid);
+
+ /* Initialize dvobj_priv */
+ dvobj = usb_dvobj_init(pusb_intf);
+ if (dvobj == NULL) {
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_,
+ ("initialize device object priv Failed!\n"));
+ goto exit;
+ }
+
+ if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
+ if (if1 == NULL) {
+ DBG_88E("rtw_init_primarystruct adapter Failed!\n");
+ goto free_dvobj;
+ }
+
+ if (ui_pid[1] != 0) {
+ DBG_88E("ui_pid[1]:%d\n", ui_pid[1]);
+ rtw_signal_process(ui_pid[1], SIGUSR2);
+ }
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
+
+ status = _SUCCESS;
+
+ if (status != _SUCCESS && if1)
+ rtw_usb_if1_deinit(if1);
+free_dvobj:
+ if (status != _SUCCESS)
+ usb_dvobj_deinit(pusb_intf);
+exit:
+ return status == _SUCCESS ? 0 : -ENODEV;
+}
+
+/*
+ * dev_remove() - our device is being removed
+*/
+/* rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both */
+static void rtw_dev_remove(struct usb_interface *pusb_intf)
+{
+ struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
+ struct adapter *padapter = dvobj->if1;
+
+_func_enter_;
+
+ DBG_88E("+rtw_dev_remove\n");
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
+
+ if (usb_drv->drv_registered)
+ padapter->bSurpriseRemoved = true;
+
+ rtw_pm_set_ips(padapter, IPS_NONE);
+ rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
+
+ LeaveAllPowerSaveMode(padapter);
+
+ rtw_usb_if1_deinit(padapter);
+
+ usb_dvobj_deinit(pusb_intf);
+
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-dev_remove()\n"));
+ DBG_88E("-r871xu_dev_remove, done\n");
+_func_exit_;
+
+ return;
+}
+
+static int __init rtw_drv_entry(void)
+{
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_entry\n"));
+
+ DBG_88E(DRV_NAME " driver version=%s\n", DRIVERVERSION);
+ DBG_88E("build time: %s %s\n", __DATE__, __TIME__);
+
+ rtw_suspend_lock_init();
+
+ _rtw_mutex_init(&usb_drv->hw_init_mutex);
+
+ usb_drv->drv_registered = true;
+ return usb_register(&usb_drv->usbdrv);
+}
+
+static void __exit rtw_drv_halt(void)
+{
+ RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_halt\n"));
+ DBG_88E("+rtw_drv_halt\n");
+
+ rtw_suspend_lock_uninit();
+
+ usb_drv->drv_registered = false;
+ usb_deregister(&usb_drv->usbdrv);
+
+ _rtw_mutex_free(&usb_drv->hw_init_mutex);
+ DBG_88E("-rtw_drv_halt\n");
+}
+
+module_init(rtw_drv_entry);
+module_exit(rtw_drv_halt);
--- /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 <usb_ops_linux.h>
+#include <rtw_sreset.h>
+
+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;
+}
+
+struct zero_bulkout_context {
+ void *pbuf;
+ void *purb;
+ void *pirp;
+ void *padapter;
+};
+
+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;
+ struct adapter *padapter = pintfhdl->padapter;
+ 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++;
+ }
+}
+
+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;
+ struct hal_data_8188e *haldata;
+
+_func_enter_;
+
+ 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;
+ }
+ }
+
+ haldata = GET_HAL_DATA(padapter);
+ haldata->srestpriv.last_tx_complete_time = rtw_get_current_time();
+
+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);
+
+_func_exit_;
+}
+
+u32 usb_write_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
+{
+ unsigned long irqL;
+ unsigned int pipe;
+ int status;
+ u32 ret = _FAIL;
+ struct urb *purb = NULL;
+ struct adapter *padapter = (struct adapter *)pintfhdl->padapter;
+ 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;
+
+_func_enter_;
+
+ 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;
+ }
+
+ _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 */
+ 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) {
+ struct hal_data_8188e *haldata = GET_HAL_DATA(padapter);
+
+ haldata->srestpriv.last_tx_time = rtw_get_current_time();
+ } else {
+ 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);
+_func_exit_;
+ return ret;
+}
+
+void usb_write_port_cancel(struct intf_hdl *pintfhdl)
+{
+ int i, j;
+ struct adapter *padapter = pintfhdl->padapter;
+ 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++;
+ }
+}
--- /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 _XMIT_OSDEP_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+
+#include <if_ether.h>
+#include <ip.h>
+#include <wifi.h>
+#include <mlme_osdep.h>
+#include <xmit_osdep.h>
+#include <osdep_intf.h>
+#include <usb_osintf.h>
+
+uint rtw_remainder_len(struct pkt_file *pfile)
+{
+ return pfile->buf_len - ((size_t)(pfile->cur_addr) -
+ (size_t)(pfile->buf_start));
+}
+
+void _rtw_open_pktfile(struct sk_buff *pktptr, struct pkt_file *pfile)
+{
+_func_enter_;
+
+ pfile->pkt = pktptr;
+ pfile->cur_addr = pktptr->data;
+ pfile->buf_start = pktptr->data;
+ pfile->pkt_len = pktptr->len;
+ pfile->buf_len = pktptr->len;
+
+ pfile->cur_buffer = pfile->buf_start;
+
+_func_exit_;
+}
+
+uint _rtw_pktfile_read (struct pkt_file *pfile, u8 *rmem, uint rlen)
+{
+ uint len = 0;
+
+_func_enter_;
+
+ len = rtw_remainder_len(pfile);
+ len = (rlen > len) ? len : rlen;
+
+ if (rmem)
+ skb_copy_bits(pfile->pkt, pfile->buf_len-pfile->pkt_len, rmem, len);
+
+ pfile->cur_addr += len;
+ pfile->pkt_len -= len;
+
+_func_exit_;
+
+ return len;
+}
+
+int rtw_endofpktfile(struct pkt_file *pfile)
+{
+_func_enter_;
+
+ if (pfile->pkt_len == 0) {
+ _func_exit_;
+ return true;
+ }
+
+_func_exit_;
+
+ return false;
+}
+
+void rtw_set_tx_chksum_offload(struct sk_buff *pkt, struct pkt_attrib *pattrib)
+{
+}
+
+int rtw_os_xmit_resource_alloc(struct adapter *padapter, struct xmit_buf *pxmitbuf, u32 alloc_sz)
+{
+ int i;
+
+ pxmitbuf->pallocated_buf = rtw_zmalloc(alloc_sz);
+ if (pxmitbuf->pallocated_buf == NULL)
+ return _FAIL;
+
+ pxmitbuf->pbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitbuf->pallocated_buf), XMITBUF_ALIGN_SZ);
+ pxmitbuf->dma_transfer_addr = 0;
+
+ for (i = 0; i < 8; i++) {
+ pxmitbuf->pxmit_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
+ if (pxmitbuf->pxmit_urb[i] == NULL) {
+ DBG_88E("pxmitbuf->pxmit_urb[i]==NULL");
+ return _FAIL;
+ }
+ }
+ return _SUCCESS;
+}
+
+void rtw_os_xmit_resource_free(struct adapter *padapter,
+ struct xmit_buf *pxmitbuf, u32 free_sz)
+{
+ int i;
+
+ for (i = 0; i < 8; i++)
+ usb_free_urb(pxmitbuf->pxmit_urb[i]);
+
+ kfree(pxmitbuf->pallocated_buf);
+}
+
+#define WMM_XMIT_THRESHOLD (NR_XMITFRAME*2/5)
+
+void rtw_os_pkt_complete(struct adapter *padapter, struct sk_buff *pkt)
+{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
+ u16 queue;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+ queue = skb_get_queue_mapping(pkt);
+ if (padapter->registrypriv.wifi_spec) {
+ if (__netif_subqueue_stopped(padapter->pnetdev, queue) &&
+ (pxmitpriv->hwxmits[queue].accnt < WMM_XMIT_THRESHOLD))
+ netif_wake_subqueue(padapter->pnetdev, queue);
+ } else {
+ if (__netif_subqueue_stopped(padapter->pnetdev, queue))
+ netif_wake_subqueue(padapter->pnetdev, queue);
+ }
+#else
+ if (netif_queue_stopped(padapter->pnetdev))
+ netif_wake_queue(padapter->pnetdev);
+#endif
+
+ dev_kfree_skb_any(pkt);
+}
+
+void rtw_os_xmit_complete(struct adapter *padapter, struct xmit_frame *pxframe)
+{
+ if (pxframe->pkt)
+ rtw_os_pkt_complete(padapter, pxframe->pkt);
+ pxframe->pkt = NULL;
+}
+
+void rtw_os_xmit_schedule(struct adapter *padapter)
+{
+ unsigned long irql;
+ struct xmit_priv *pxmitpriv;
+
+ if (!padapter)
+ return;
+
+ pxmitpriv = &padapter->xmitpriv;
+
+ _enter_critical_bh(&pxmitpriv->lock, &irql);
+
+ if (rtw_txframes_pending(padapter))
+ tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
+
+ _exit_critical_bh(&pxmitpriv->lock, &irql);
+}
+
+static void rtw_check_xmit_resource(struct adapter *padapter, struct sk_buff *pkt)
+{
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ u16 queue;
+
+ queue = skb_get_queue_mapping(pkt);
+ if (padapter->registrypriv.wifi_spec) {
+ /* No free space for Tx, tx_worker is too slow */
+ if (pxmitpriv->hwxmits[queue].accnt > WMM_XMIT_THRESHOLD)
+ netif_stop_subqueue(padapter->pnetdev, queue);
+ } else {
+ if (pxmitpriv->free_xmitframe_cnt <= 4) {
+ if (!netif_tx_queue_stopped(netdev_get_tx_queue(padapter->pnetdev, queue)))
+ netif_stop_subqueue(padapter->pnetdev, queue);
+ }
+ }
+}
+
+static int rtw_mlcst2unicst(struct adapter *padapter, struct sk_buff *skb)
+{
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ unsigned long irql;
+ struct list_head *phead, *plist;
+ struct sk_buff *newskb;
+ struct sta_info *psta = NULL;
+ s32 res;
+
+ _enter_critical_bh(&pstapriv->asoc_list_lock, &irql);
+ phead = &pstapriv->asoc_list;
+ plist = get_next(phead);
+
+ /* free sta asoc_queue */
+ while (!rtw_end_of_queue_search(phead, plist)) {
+ psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
+
+ plist = get_next(plist);
+
+ /* avoid come from STA1 and send back STA1 */
+ if (!memcmp(psta->hwaddr, &skb->data[6], 6))
+ continue;
+
+ newskb = skb_copy(skb, GFP_ATOMIC);
+
+ if (newskb) {
+ memcpy(newskb->data, psta->hwaddr, 6);
+ res = rtw_xmit(padapter, &newskb);
+ if (res < 0) {
+ DBG_88E("%s()-%d: rtw_xmit() return error!\n", __func__, __LINE__);
+ pxmitpriv->tx_drop++;
+ dev_kfree_skb_any(newskb);
+ } else {
+ pxmitpriv->tx_pkts++;
+ }
+ } else {
+ DBG_88E("%s-%d: skb_copy() failed!\n", __func__, __LINE__);
+ pxmitpriv->tx_drop++;
+
+ _exit_critical_bh(&pstapriv->asoc_list_lock, &irql);
+ return false; /* Caller shall tx this multicast frame via normal way. */
+ }
+ }
+
+ _exit_critical_bh(&pstapriv->asoc_list_lock, &irql);
+ dev_kfree_skb_any(skb);
+ return true;
+}
+
+
+int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev)
+{
+ struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ s32 res = 0;
+
+_func_enter_;
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("+xmit_enry\n"));
+
+ if (rtw_if_up(padapter) == false) {
+ RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit_entry: rtw_if_up fail\n"));
+ goto drop_packet;
+ }
+
+ rtw_check_xmit_resource(padapter, pkt);
+
+ if (!rtw_mc2u_disable && check_fwstate(pmlmepriv, WIFI_AP_STATE) &&
+ (IP_MCAST_MAC(pkt->data) || ICMPV6_MCAST_MAC(pkt->data)) &&
+ (padapter->registrypriv.wifi_spec == 0)) {
+ if (pxmitpriv->free_xmitframe_cnt > (NR_XMITFRAME/4)) {
+ res = rtw_mlcst2unicst(padapter, pkt);
+ if (res)
+ goto exit;
+ }
+ }
+
+ res = rtw_xmit(padapter, &pkt);
+ if (res < 0)
+ goto drop_packet;
+
+ pxmitpriv->tx_pkts++;
+ RT_TRACE(_module_xmit_osdep_c_, _drv_info_, ("rtw_xmit_entry: tx_pkts=%d\n", (u32)pxmitpriv->tx_pkts));
+ goto exit;
+
+drop_packet:
+ pxmitpriv->tx_drop++;
+ dev_kfree_skb_any(pkt);
+ RT_TRACE(_module_xmit_osdep_c_, _drv_notice_, ("rtw_xmit_entry: drop, tx_drop=%d\n", (u32)pxmitpriv->tx_drop));
+
+exit:
+
+_func_exit_;
+
+ return 0;
+}
projects / platform / kernel / linux-exynos.git / commitdiff