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![Martin Kaiser](/assets/img/avatar_default.png)
The Edimax EW-7811UN V2 uses an RTL8188EU chipset and works with this driver. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210204085217.9743-1-martin@kaiser.cx Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
525 lines
14 KiB
C
525 lines
14 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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******************************************************************************/
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#define pr_fmt(fmt) "R8188EU: " fmt
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#include <osdep_service.h>
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#include <drv_types.h>
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#include <recv_osdep.h>
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#include <xmit_osdep.h>
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#include <hal_intf.h>
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#include <linux/usb.h>
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#include <linux/vmalloc.h>
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#include <mon.h>
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#include <osdep_intf.h>
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#include <usb_ops_linux.h>
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#include <rtw_ioctl.h>
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#include "rtl8188e_hal.h"
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#define USB_VENDER_ID_REALTEK 0x0bda
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/* DID_USB_v916_20130116 */
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static const struct usb_device_id rtw_usb_id_tbl[] = {
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/*=== Realtek demoboard ===*/
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{USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8179)}, /* 8188EUS */
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{USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */
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/*=== Customer ID ===*/
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/****** 8188EUS ********/
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{USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */
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{USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
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{USB_DEVICE(0x0B05, 0x18F0)}, /* ASUS USB-N10 Nano B1 */
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{USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
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{USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
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{USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
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{USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
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{USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
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{USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */
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{USB_DEVICE(0x2C4E, 0x0102)}, /* MERCUSYS MW150US v2 */
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{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
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{USB_DEVICE(0x7392, 0xb811)}, /* Edimax EW-7811UN V2 */
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{USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
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{} /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(usb, rtw_usb_id_tbl);
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static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
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{
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int i;
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struct dvobj_priv *pdvobjpriv;
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struct usb_host_config *phost_conf;
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struct usb_config_descriptor *pconf_desc;
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struct usb_host_interface *phost_iface;
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struct usb_interface_descriptor *piface_desc;
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struct usb_endpoint_descriptor *pendp_desc;
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struct usb_device *pusbd;
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pdvobjpriv = kzalloc(sizeof(*pdvobjpriv), GFP_KERNEL);
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if (!pdvobjpriv)
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return NULL;
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pdvobjpriv->pusbintf = usb_intf;
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pusbd = interface_to_usbdev(usb_intf);
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pdvobjpriv->pusbdev = pusbd;
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usb_set_intfdata(usb_intf, pdvobjpriv);
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pdvobjpriv->RtNumInPipes = 0;
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pdvobjpriv->RtNumOutPipes = 0;
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phost_conf = pusbd->actconfig;
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pconf_desc = &phost_conf->desc;
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phost_iface = usb_intf->cur_altsetting;
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piface_desc = &phost_iface->desc;
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pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
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pdvobjpriv->InterfaceNumber = piface_desc->bInterfaceNumber;
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for (i = 0; i < piface_desc->bNumEndpoints; i++) {
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int ep_num;
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pendp_desc = &phost_iface->endpoint[i].desc;
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ep_num = usb_endpoint_num(pendp_desc);
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if (usb_endpoint_is_bulk_in(pendp_desc)) {
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pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
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pdvobjpriv->RtNumInPipes++;
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} else if (usb_endpoint_is_int_in(pendp_desc)) {
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pdvobjpriv->RtInPipe[pdvobjpriv->RtNumInPipes] = ep_num;
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pdvobjpriv->RtNumInPipes++;
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} else if (usb_endpoint_is_bulk_out(pendp_desc)) {
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pdvobjpriv->RtOutPipe[pdvobjpriv->RtNumOutPipes] =
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ep_num;
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pdvobjpriv->RtNumOutPipes++;
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}
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}
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if (pusbd->speed == USB_SPEED_HIGH)
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pdvobjpriv->ishighspeed = true;
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else
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pdvobjpriv->ishighspeed = false;
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mutex_init(&pdvobjpriv->usb_vendor_req_mutex);
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usb_get_dev(pusbd);
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return pdvobjpriv;
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}
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static void usb_dvobj_deinit(struct usb_interface *usb_intf)
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{
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struct dvobj_priv *dvobj = usb_get_intfdata(usb_intf);
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usb_set_intfdata(usb_intf, NULL);
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if (dvobj) {
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/* Modify condition for 92DU DMDP 2010.11.18, by Thomas */
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if ((dvobj->NumInterfaces != 2 &&
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dvobj->NumInterfaces != 3) ||
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(dvobj->InterfaceNumber == 1)) {
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if (interface_to_usbdev(usb_intf)->state !=
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USB_STATE_NOTATTACHED) {
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/* If we didn't unplug usb dongle and
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* remove/insert module, driver fails
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* on sitesurvey for the first time when
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* device is up . Reset usb port for sitesurvey
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* fail issue.
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*/
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pr_debug("usb attached..., try to reset usb device\n");
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usb_reset_device(interface_to_usbdev(usb_intf));
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}
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}
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mutex_destroy(&dvobj->usb_vendor_req_mutex);
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kfree(dvobj);
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}
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usb_put_dev(interface_to_usbdev(usb_intf));
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}
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void usb_intf_stop(struct adapter *padapter)
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{
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RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+%s\n", __func__));
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/* disable_hw_interrupt */
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if (!padapter->bSurpriseRemoved) {
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/* device still exists, so driver can do i/o operation */
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/* TODO: */
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RT_TRACE(_module_hci_intfs_c_, _drv_err_,
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("SurpriseRemoved == false\n"));
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}
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/* cancel in irp */
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rtw_hal_inirp_deinit(padapter);
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/* cancel out irp */
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usb_write_port_cancel(padapter);
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/* todo:cancel other irps */
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RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-%s\n", __func__));
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}
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static void rtw_dev_unload(struct adapter *padapter)
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{
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RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+%s\n", __func__));
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if (padapter->bup) {
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pr_debug("===> %s\n", __func__);
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padapter->bDriverStopped = true;
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if (padapter->xmitpriv.ack_tx)
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rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
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/* s3. */
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usb_intf_stop(padapter);
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/* s4. */
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if (!padapter->pwrctrlpriv.bInternalAutoSuspend)
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rtw_stop_drv_threads(padapter);
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/* s5. */
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if (!padapter->bSurpriseRemoved) {
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rtw_hal_deinit(padapter);
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padapter->bSurpriseRemoved = true;
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}
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padapter->bup = false;
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} else {
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RT_TRACE(_module_hci_intfs_c_, _drv_err_,
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("r871x_dev_unload():padapter->bup == false\n"));
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}
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pr_debug("<=== %s\n", __func__);
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RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-%s\n", __func__));
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}
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static int rtw_suspend(struct usb_interface *pusb_intf, pm_message_t message)
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{
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struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
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struct adapter *padapter = dvobj->if1;
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struct net_device *pnetdev = padapter->pnetdev;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
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unsigned long start_time = jiffies;
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pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
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if ((!padapter->bup) || (padapter->bDriverStopped) ||
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(padapter->bSurpriseRemoved)) {
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pr_debug("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
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padapter->bup, padapter->bDriverStopped,
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padapter->bSurpriseRemoved);
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goto exit;
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}
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pwrpriv->bInSuspend = true;
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rtw_cancel_all_timer(padapter);
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LeaveAllPowerSaveMode(padapter);
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mutex_lock(&pwrpriv->mutex_lock);
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/* s1. */
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if (pnetdev) {
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netif_carrier_off(pnetdev);
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netif_tx_stop_all_queues(pnetdev);
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}
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/* s2. */
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rtw_disassoc_cmd(padapter, 0, false);
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if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) &&
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check_fwstate(pmlmepriv, _FW_LINKED)) {
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pr_debug("%s:%d %s(%pM), length:%d assoc_ssid.length:%d\n",
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__func__, __LINE__,
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pmlmepriv->cur_network.network.ssid.ssid,
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pmlmepriv->cur_network.network.MacAddress,
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pmlmepriv->cur_network.network.ssid.ssid_length,
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pmlmepriv->assoc_ssid.ssid_length);
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pmlmepriv->to_roaming = 1;
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}
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/* s2-2. indicate disconnect to os */
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rtw_indicate_disconnect(padapter);
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/* s2-3. */
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rtw_free_assoc_resources(padapter);
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/* s2-4. */
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rtw_free_network_queue(padapter, true);
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rtw_dev_unload(padapter);
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mutex_unlock(&pwrpriv->mutex_lock);
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if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
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rtw_indicate_scan_done(padapter, 1);
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if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
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rtw_indicate_disconnect(padapter);
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exit:
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pr_debug("<=== %s .............. in %dms\n", __func__,
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jiffies_to_msecs(jiffies - start_time));
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return 0;
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}
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static int rtw_resume_process(struct adapter *padapter)
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{
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struct net_device *pnetdev;
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struct pwrctrl_priv *pwrpriv = NULL;
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int ret = -1;
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unsigned long start_time = jiffies;
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pr_debug("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
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if (padapter) {
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pnetdev = padapter->pnetdev;
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pwrpriv = &padapter->pwrctrlpriv;
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} else {
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goto exit;
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}
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mutex_lock(&pwrpriv->mutex_lock);
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rtw_reset_drv_sw(padapter);
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pwrpriv->bkeepfwalive = false;
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pr_debug("bkeepfwalive(%x)\n", pwrpriv->bkeepfwalive);
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if (netdev_open(pnetdev) != 0) {
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mutex_unlock(&pwrpriv->mutex_lock);
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goto exit;
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}
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netif_device_attach(pnetdev);
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netif_carrier_on(pnetdev);
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mutex_unlock(&pwrpriv->mutex_lock);
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rtw_roaming(padapter, NULL);
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ret = 0;
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exit:
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if (pwrpriv)
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pwrpriv->bInSuspend = false;
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pr_debug("<=== %s return %d.............. in %dms\n", __func__,
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ret, jiffies_to_msecs(jiffies - start_time));
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return ret;
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}
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static int rtw_resume(struct usb_interface *pusb_intf)
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{
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struct dvobj_priv *dvobj = usb_get_intfdata(pusb_intf);
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struct adapter *padapter = dvobj->if1;
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return rtw_resume_process(padapter);
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}
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/*
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* drv_init() - a device potentially for us
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*
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* notes: drv_init() is called when the bus driver has located
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* a card for us to support.
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* We accept the new device by returning 0.
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*/
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static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
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struct usb_interface *pusb_intf,
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const struct usb_device_id *pdid)
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{
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struct adapter *padapter = NULL;
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struct net_device *pnetdev = NULL;
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struct net_device *pmondev;
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int status = _FAIL;
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padapter = vzalloc(sizeof(*padapter));
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if (!padapter)
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goto exit;
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padapter->dvobj = dvobj;
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dvobj->if1 = padapter;
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padapter->bDriverStopped = true;
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mutex_init(&padapter->hw_init_mutex);
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pnetdev = rtw_init_netdev(padapter);
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if (!pnetdev)
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goto free_adapter;
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SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
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padapter = rtw_netdev_priv(pnetdev);
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if (padapter->registrypriv.monitor_enable) {
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pmondev = rtl88eu_mon_init();
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if (!pmondev)
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netdev_warn(pnetdev, "Failed to initialize monitor interface");
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padapter->pmondev = pmondev;
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}
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padapter->HalData = kzalloc(sizeof(struct hal_data_8188e), GFP_KERNEL);
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if (!padapter->HalData) {
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DBG_88E("Failed to allocate memory for HAL data\n");
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goto free_adapter;
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}
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/* step read_chip_version */
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rtw_hal_read_chip_version(padapter);
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/* step usb endpoint mapping */
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rtw_hal_chip_configure(padapter);
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/* step read efuse/eeprom data and get mac_addr */
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rtw_hal_read_chip_info(padapter);
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/* step 5. */
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if (rtw_init_drv_sw(padapter) == _FAIL) {
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RT_TRACE(_module_hci_intfs_c_, _drv_err_,
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("Initialize driver software resource Failed!\n"));
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goto free_hal_data;
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}
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#ifdef CONFIG_PM
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if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
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dvobj->pusbdev->do_remote_wakeup = 1;
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pusb_intf->needs_remote_wakeup = 1;
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device_init_wakeup(&pusb_intf->dev, 1);
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pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
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pr_debug("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
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device_may_wakeup(&pusb_intf->dev));
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}
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#endif
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/* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto suspend influence */
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if (usb_autopm_get_interface(pusb_intf) < 0)
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pr_debug("can't get autopm:\n");
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/* alloc dev name after read efuse. */
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if (dev_alloc_name(pnetdev, padapter->registrypriv.ifname) < 0)
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RT_TRACE(_module_os_intfs_c_, _drv_err_, ("dev_alloc_name, fail!\n"));
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netif_carrier_off(pnetdev);
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rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
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memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
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pr_debug("MAC Address from pnetdev->dev_addr = %pM\n",
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pnetdev->dev_addr);
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/* step 6. Tell the network stack we exist */
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if (register_netdev(pnetdev) != 0) {
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RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
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goto free_hal_data;
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}
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pr_debug("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
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, padapter->bDriverStopped
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, padapter->bSurpriseRemoved
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, padapter->bup
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, padapter->hw_init_completed
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);
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status = _SUCCESS;
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free_hal_data:
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if (status != _SUCCESS)
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kfree(padapter->HalData);
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free_adapter:
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if (status != _SUCCESS) {
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if (pnetdev)
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rtw_free_netdev(pnetdev);
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else
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vfree(padapter);
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padapter = NULL;
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}
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exit:
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return padapter;
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}
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static void rtw_usb_if1_deinit(struct adapter *if1)
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{
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struct net_device *pnetdev = if1->pnetdev;
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struct mlme_priv *pmlmepriv = &if1->mlmepriv;
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if (check_fwstate(pmlmepriv, _FW_LINKED))
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rtw_disassoc_cmd(if1, 0, false);
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#ifdef CONFIG_88EU_AP_MODE
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free_mlme_ap_info(if1);
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#endif
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if (pnetdev)
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unregister_netdev(pnetdev); /* will call netdev_close() */
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rtl88eu_mon_deinit(if1->pmondev);
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rtw_cancel_all_timer(if1);
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rtw_dev_unload(if1);
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pr_debug("+r871xu_dev_remove, hw_init_completed=%d\n",
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if1->hw_init_completed);
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rtw_free_drv_sw(if1);
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rtw_free_netdev(pnetdev);
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}
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static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
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{
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struct adapter *if1 = NULL;
|
|
struct dvobj_priv *dvobj;
|
|
|
|
/* Initialize dvobj_priv */
|
|
dvobj = usb_dvobj_init(pusb_intf);
|
|
if (!dvobj) {
|
|
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) {
|
|
pr_debug("rtw_init_primarystruct adapter Failed!\n");
|
|
goto free_dvobj;
|
|
}
|
|
|
|
return 0;
|
|
|
|
free_dvobj:
|
|
usb_dvobj_deinit(pusb_intf);
|
|
exit:
|
|
return -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;
|
|
|
|
pr_debug("+%s\n", __func__);
|
|
RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
|
|
|
|
if (!pusb_intf->unregistering)
|
|
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"));
|
|
pr_debug("-r871xu_dev_remove, done\n");
|
|
}
|
|
|
|
static struct usb_driver rtl8188e_usb_drv = {
|
|
.name = "r8188eu",
|
|
.probe = rtw_drv_init,
|
|
.disconnect = rtw_dev_remove,
|
|
.id_table = rtw_usb_id_tbl,
|
|
.suspend = rtw_suspend,
|
|
.resume = rtw_resume,
|
|
.reset_resume = rtw_resume,
|
|
};
|
|
|
|
module_usb_driver(rtl8188e_usb_drv)
|