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staging: r8188eu: Add files for new driver - part 20

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This commit adds files os_dep/usb_intf.c, os_dep/usb_ops_linux.c,
and os_dep/xmit_linux.c.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Larry Finger 2013-08-21 22:34:02 -05:00 committed by Greg Kroah-Hartman
parent 5adef66acf
commit c2478d3907
3 changed files with 1469 additions and 0 deletions
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892
drivers/staging/rtl8188eu/os_dep/usb_intf.c Normal file
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/******************************************************************************
*
* 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);

288
drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c Normal file
View File

@ -0,0 +1,288 @@
/******************************************************************************
*
* 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++;
}
}

289
drivers/staging/rtl8188eu/os_dep/xmit_linux.c Normal file
View File

@ -0,0 +1,289 @@
/******************************************************************************
*
* 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;
}