path: root/drivers/staging/wlan-ng/p80211netdev.c

/* src/p80211/p80211knetdev.c
*
* Linux Kernel net device interface
*
* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
* --------------------------------------------------------------------
*
* linux-wlan
*
*   The contents of this file are subject to the Mozilla Public
*   License Version 1.1 (the "License"); you may not use this file
*   except in compliance with the License. You may obtain a copy of
*   the License at http://www.mozilla.org/MPL/
*
*   Software distributed under the License is distributed on an "AS
*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
*   implied. See the License for the specific language governing
*   rights and limitations under the License.
*
*   Alternatively, the contents of this file may be used under the
*   terms of the GNU Public License version 2 (the "GPL"), in which
*   case the provisions of the GPL are applicable instead of the
*   above.  If you wish to allow the use of your version of this file
*   only under the terms of the GPL and not to allow others to use
*   your version of this file under the MPL, indicate your decision
*   by deleting the provisions above and replace them with the notice
*   and other provisions required by the GPL.  If you do not delete
*   the provisions above, a recipient may use your version of this
*   file under either the MPL or the GPL.
*
* --------------------------------------------------------------------
*
* Inquiries regarding the linux-wlan Open Source project can be
* made directly to:
*
* AbsoluteValue Systems Inc.
* info@linux-wlan.com
* http://www.linux-wlan.com
*
* --------------------------------------------------------------------
*
* Portions of the development of this software were funded by
* Intersil Corporation as part of PRISM(R) chipset product development.
*
* --------------------------------------------------------------------
*
* The functions required for a Linux network device are defined here.
*
* --------------------------------------------------------------------
*/


/*================================================================*/
/* System Includes */


#include <linux/version.h>

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <linux/interrupt.h>
#include <linux/netdevice.h>
#include <linux/kmod.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <linux/sockios.h>
#include <linux/etherdevice.h>

#include <asm/bitops.h>
#include <asm/uaccess.h>
#include <asm/byteorder.h>

#ifdef SIOCETHTOOL
#include <linux/ethtool.h>
#endif

#include <net/iw_handler.h>
#include <net/net_namespace.h>

/*================================================================*/
/* Project Includes */

#include "wlan_compat.h"
#include "p80211types.h"
#include "p80211hdr.h"
#include "p80211conv.h"
#include "p80211mgmt.h"
#include "p80211msg.h"
#include "p80211netdev.h"
#include "p80211ioctl.h"
#include "p80211req.h"
#include "p80211metastruct.h"
#include "p80211metadef.h"

/*================================================================*/
/* Local Constants */

/*================================================================*/
/* Local Macros */


/*================================================================*/
/* Local Types */

/*================================================================*/
/* Local Function Declarations */

/* Support functions */
static void p80211netdev_rx_bh(unsigned long arg);

/* netdevice method functions */
static int p80211knetdev_init( netdevice_t *netdev);
static struct net_device_stats* p80211knetdev_get_stats(netdevice_t *netdev);
static int p80211knetdev_open( netdevice_t *netdev);
static int p80211knetdev_stop( netdevice_t *netdev );
static int p80211knetdev_hard_start_xmit( struct sk_buff *skb, netdevice_t *netdev);
static void p80211knetdev_set_multicast_list(netdevice_t *dev);
static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd);
static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr);
static void p80211knetdev_tx_timeout(netdevice_t *netdev);
static int p80211_rx_typedrop( wlandevice_t *wlandev, u16 fc);

int wlan_watchdog = 5000;
module_param(wlan_watchdog, int, 0644);
MODULE_PARM_DESC(wlan_watchdog, "transmit timeout in milliseconds");

int wlan_wext_write = 1;
module_param(wlan_wext_write, int, 0644);
MODULE_PARM_DESC(wlan_wext_write, "enable write wireless extensions");

#ifdef WLAN_INCLUDE_DEBUG
int wlan_debug=0;
module_param(wlan_debug, int, 0644);
MODULE_PARM_DESC(wlan_debug, "p80211 debug level");
#endif

/*================================================================*/
/* Function Definitions */

/*----------------------------------------------------------------
* p80211knetdev_init
*
* Init method for a Linux netdevice.  Called in response to
* register_netdev.
*
* Arguments:
*	none
*
* Returns:
*	nothing
----------------------------------------------------------------*/
static int p80211knetdev_init( netdevice_t *netdev)
{
	DBFENTER;
	/* Called in response to register_netdev */
	/* This is usually the probe function, but the probe has */
	/* already been done by the MSD and the create_kdev */
	/* function.  All we do her