drivers/staging/wlan-ng/p80211netdev.h - linux - Git at Google

 /* p80211netdev.h
 *
 * WLAN net device structure and functions
 *
 * 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.
 *
 * --------------------------------------------------------------------
 *
 * This file declares the structure type that represents each wlan
 * interface.
 *
 * --------------------------------------------------------------------
 */

 #ifndef _LINUX_P80211NETDEV_H
 #define _LINUX_P80211NETDEV_H

 #include <linux/interrupt.h>
 #include <linux/wireless.h>

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

 #define WLAN_DEVICE_CLOSED	0
 #define WLAN_DEVICE_OPEN	1

 #define WLAN_MACMODE_NONE	0
 #define WLAN_MACMODE_IBSS_STA	1
 #define WLAN_MACMODE_ESS_STA	2
 #define WLAN_MACMODE_ESS_AP	3

 /* MSD States */
 #define WLAN_MSD_START			-1
 #define WLAN_MSD_DRIVERLOADED		0
 #define WLAN_MSD_HWPRESENT_PENDING	1
 #define WLAN_MSD_HWFAIL			2
 #define WLAN_MSD_HWPRESENT		3
 #define WLAN_MSD_FWLOAD_PENDING		4
 #define WLAN_MSD_FWLOAD			5
 #define WLAN_MSD_RUNNING_PENDING	6
 #define WLAN_MSD_RUNNING		7

 #ifndef ETH_P_ECONET
 #define ETH_P_ECONET   0x0018    /* needed for 2.2.x kernels */
 #endif

 #define ETH_P_80211_RAW        (ETH_P_ECONET + 1)

 #ifndef ARPHRD_IEEE80211
 #define ARPHRD_IEEE80211 801     /* kernel 2.4.6 */
 #endif

 #ifndef ARPHRD_IEEE80211_PRISM  /* kernel 2.4.18 */
 #define ARPHRD_IEEE80211_PRISM 802
 #endif

 /*--- NSD Capabilities Flags ------------------------------*/
 #define P80211_NSDCAP_HARDWAREWEP           0x01  /* hardware wep engine */
 #define P80211_NSDCAP_TIEDWEP               0x02  /* can't decouple en/de */
 #define P80211_NSDCAP_NOHOSTWEP             0x04  /* must use hardware wep */
 #define P80211_NSDCAP_PBCC                  0x08  /* hardware supports PBCC */
 #define P80211_NSDCAP_SHORT_PREAMBLE        0x10  /* hardware supports */
 #define P80211_NSDCAP_AGILITY               0x20  /* hardware supports */
 #define P80211_NSDCAP_AP_RETRANSMIT         0x40  /* nsd handles retransmits */
 #define P80211_NSDCAP_HWFRAGMENT            0x80  /* nsd handles frag/defrag */
 #define P80211_NSDCAP_AUTOJOIN              0x100  /* nsd does autojoin */
 #define P80211_NSDCAP_NOSCAN                0x200  /* nsd can scan */

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

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

 /* Received frame statistics */
 typedef struct p80211_frmrx_t
 {
 	u32	mgmt;
 	u32	assocreq;
 	u32	assocresp;
 	u32	reassocreq;
 	u32	reassocresp;
 	u32	probereq;
 	u32	proberesp;
 	u32	beacon;
 	u32	atim;
 	u32	disassoc;
 	u32	authen;
 	u32	deauthen;
 	u32	mgmt_unknown;
 	u32	ctl;
 	u32	pspoll;
 	u32	rts;
 	u32	cts;
 	u32	ack;
 	u32	cfend;
 	u32	cfendcfack;
 	u32	ctl_unknown;
 	u32	data;
 	u32	dataonly;
 	u32	data_cfack;
 	u32	data_cfpoll;
 	u32	data__cfack_cfpoll;
 	u32	null;
 	u32	cfack;
 	u32	cfpoll;
 	u32	cfack_cfpoll;
 	u32	data_unknown;
 	u32  decrypt;
 	u32  decrypt_err;
 } p80211_frmrx_t;

 /* called by /proc/net/wireless */
 struct iw_statistics* p80211wext_get_wireless_stats(netdevice_t *dev);
 /* wireless extensions' ioctls */
 int p80211wext_support_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd);
 extern struct iw_handler_def p80211wext_handler_def;
 int p80211wext_event_associated(struct wlandevice *wlandev, int assoc);

 /* WEP stuff */
 #define NUM_WEPKEYS 4
 #define MAX_KEYLEN 32

 #define HOSTWEP_DEFAULTKEY_MASK (BIT1|BIT0)
 #define HOSTWEP_DECRYPT  BIT4
 #define HOSTWEP_ENCRYPT  BIT5
 #define HOSTWEP_PRIVACYINVOKED BIT6
 #define HOSTWEP_EXCLUDEUNENCRYPTED BIT7

 extern int wlan_watchdog;
 extern int wlan_wext_write;

 /* WLAN device type */
 typedef struct wlandevice
 {
 	struct wlandevice	*next;		/* link for list of devices */
 	void			*priv;		/* private data for MSD */

 	/* Subsystem State */
 	char		name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev()*/
 	char		*nsdname;

 	u32          state;          /* Device I/F state (open/closed) */
 	u32		msdstate;	/* state of underlying driver */
 	u32		hwremoved;	/* Has the hw been yanked out? */

 	/* Hardware config */
 	unsigned int		irq;
 	unsigned int		iobase;
 	unsigned int		membase;
 	u32          nsdcaps;  /* NSD Capabilities flags */

 	/* Config vars */
 	unsigned int		ethconv;

 	/* device methods (init by MSD, used by p80211 */
 	int		(*open)(struct wlandevice *wlandev);
 	int		(*close)(struct wlandevice *wlandev);
 	void		(*reset)(struct wlandevice *wlandev );
 	int		(*txframe)(struct wlandevice *wlandev, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep);
 	int		(*mlmerequest)(struct wlandevice *wlandev, p80211msg_t *msg);
 	int             (*set_multicast_list)(struct wlandevice *wlandev,
 					      netdevice_t *dev);
 	void		(*tx_timeout)(struct wlandevice *wlandev);

 	/* 802.11 State */
 	u8		bssid[WLAN_BSSID_LEN];
 	p80211pstr32_t	ssid;
 	u32		macmode;
 	int             linkstatus;

 	/* WEP State */
 	u8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
 	u8 wep_keylens[NUM_WEPKEYS];
 	int   hostwep;

 	/* Request/Confirm i/f state (used by p80211) */
 	unsigned long		request_pending; /* flag, access atomically */

 	/* netlink socket */
 	/* queue for indications waiting for cmd completion */
 	/* Linux netdevice and support */
 	netdevice_t		*netdev;	/* ptr to linux netdevice */
 	struct net_device_stats linux_stats;

 	/* Rx bottom half */
 	struct tasklet_struct	rx_bh;

 	struct sk_buff_head	nsd_rxq;

 	/* 802.11 device statistics */
 	struct p80211_frmrx_t	rx;

 	struct iw_statistics	wstats;

 	/* jkriegl: iwspy fields */
         u8			spy_number;
         char			spy_address[IW_MAX_SPY][ETH_ALEN];
         struct iw_quality       spy_stat[IW_MAX_SPY];
 } wlandevice_t;

 /* WEP stuff */
 int wep_change_key(wlandevice_t *wlandev, int keynum, u8* key, int keylen);
 int wep_decrypt(wlandevice_t *wlandev, u8 *buf, u32 len, int key_override, u8 *iv, u8 *icv);
 int wep_encrypt(wlandevice_t *wlandev, u8 *buf, u8 *dst, u32 len, int keynum, u8 *iv, u8 *icv);

 void	p80211netdev_startup(void);
 void	p80211netdev_shutdown(void);
 int	wlan_setup(wlandevice_t *wlandev);
 int	wlan_unsetup(wlandevice_t *wlandev);
 int	register_wlandev(wlandevice_t *wlandev);
 int	unregister_wlandev(wlandevice_t *wlandev);
 void	p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb);
 void	p80211netdev_hwremoved(wlandevice_t *wlandev);

 #endif
	/* p80211netdev.h
	*
	* WLAN net device structure and functions
	*
	* 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.
	*
	* --------------------------------------------------------------------
	*
	* This file declares the structure type that represents each wlan
	* interface.
	*
	* --------------------------------------------------------------------
	*/

	#ifndef _LINUX_P80211NETDEV_H
	#define _LINUX_P80211NETDEV_H

	#include <linux/interrupt.h>
	#include <linux/wireless.h>

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

	#define WLAN_DEVICE_CLOSED 0
	#define WLAN_DEVICE_OPEN 1

	#define WLAN_MACMODE_NONE 0
	#define WLAN_MACMODE_IBSS_STA 1
	#define WLAN_MACMODE_ESS_STA 2
	#define WLAN_MACMODE_ESS_AP 3

	/* MSD States */
	#define WLAN_MSD_START -1
	#define WLAN_MSD_DRIVERLOADED 0
	#define WLAN_MSD_HWPRESENT_PENDING 1
	#define WLAN_MSD_HWFAIL 2
	#define WLAN_MSD_HWPRESENT 3
	#define WLAN_MSD_FWLOAD_PENDING 4
	#define WLAN_MSD_FWLOAD 5
	#define WLAN_MSD_RUNNING_PENDING 6
	#define WLAN_MSD_RUNNING 7

	#ifndef ETH_P_ECONET
	#define ETH_P_ECONET 0x0018 /* needed for 2.2.x kernels */
	#endif

	#define ETH_P_80211_RAW (ETH_P_ECONET + 1)

	#ifndef ARPHRD_IEEE80211
	#define ARPHRD_IEEE80211 801 /* kernel 2.4.6 */
	#endif

	#ifndef ARPHRD_IEEE80211_PRISM /* kernel 2.4.18 */
	#define ARPHRD_IEEE80211_PRISM 802
	#endif

	/--- NSD Capabilities Flags ------------------------------/
	#define P80211_NSDCAP_HARDWAREWEP 0x01 /* hardware wep engine */
	#define P80211_NSDCAP_TIEDWEP 0x02 /* can't decouple en/de */
	#define P80211_NSDCAP_NOHOSTWEP 0x04 /* must use hardware wep */
	#define P80211_NSDCAP_PBCC 0x08 /* hardware supports PBCC */
	#define P80211_NSDCAP_SHORT_PREAMBLE 0x10 /* hardware supports */
	#define P80211_NSDCAP_AGILITY 0x20 /* hardware supports */
	#define P80211_NSDCAP_AP_RETRANSMIT 0x40 /* nsd handles retransmits */
	#define P80211_NSDCAP_HWFRAGMENT 0x80 /* nsd handles frag/defrag */
	#define P80211_NSDCAP_AUTOJOIN 0x100 /* nsd does autojoin */
	#define P80211_NSDCAP_NOSCAN 0x200 /* nsd can scan */

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

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

	/* Received frame statistics */
	typedef struct p80211_frmrx_t
	{
	u32 mgmt;
	u32 assocreq;
	u32 assocresp;
	u32 reassocreq;
	u32 reassocresp;
	u32 probereq;
	u32 proberesp;
	u32 beacon;
	u32 atim;
	u32 disassoc;
	u32 authen;
	u32 deauthen;
	u32 mgmt_unknown;
	u32 ctl;
	u32 pspoll;
	u32 rts;
	u32 cts;
	u32 ack;
	u32 cfend;
	u32 cfendcfack;
	u32 ctl_unknown;
	u32 data;
	u32 dataonly;
	u32 data_cfack;
	u32 data_cfpoll;
	u32 data__cfack_cfpoll;
	u32 null;
	u32 cfack;
	u32 cfpoll;
	u32 cfack_cfpoll;
	u32 data_unknown;
	u32 decrypt;
	u32 decrypt_err;
	} p80211_frmrx_t;

	/* called by /proc/net/wireless */
	struct iw_statistics* p80211wext_get_wireless_stats(netdevice_t *dev);
	/* wireless extensions' ioctls */
	int p80211wext_support_ioctl(netdevice_t dev, struct ifreq ifr, int cmd);
	extern struct iw_handler_def p80211wext_handler_def;
	int p80211wext_event_associated(struct wlandevice *wlandev, int assoc);

	/* WEP stuff */
	#define NUM_WEPKEYS 4
	#define MAX_KEYLEN 32

	#define HOSTWEP_DEFAULTKEY_MASK (BIT1\|BIT0)
	#define HOSTWEP_DECRYPT BIT4
	#define HOSTWEP_ENCRYPT BIT5
	#define HOSTWEP_PRIVACYINVOKED BIT6
	#define HOSTWEP_EXCLUDEUNENCRYPTED BIT7

	extern int wlan_watchdog;
	extern int wlan_wext_write;

	/* WLAN device type */
	typedef struct wlandevice
	{
	struct wlandevice next; / link for list of devices */
	void priv; / private data for MSD */

	/* Subsystem State */
	char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev()*/
	char *nsdname;

	u32 state; /* Device I/F state (open/closed) */
	u32 msdstate; /* state of underlying driver */
	u32 hwremoved; /* Has the hw been yanked out? */

	/* Hardware config */
	unsigned int irq;
	unsigned int iobase;
	unsigned int membase;
	u32 nsdcaps; /* NSD Capabilities flags */

	/* Config vars */
	unsigned int ethconv;

	/* device methods (init by MSD, used by p80211 */
	int (open)(struct wlandevice wlandev);
	int (close)(struct wlandevice wlandev);
	void (reset)(struct wlandevice wlandev );
	int (txframe)(struct wlandevice wlandev, struct sk_buff skb, p80211_hdr_t p80211_hdr, p80211_metawep_t *p80211_wep);
	int (mlmerequest)(struct wlandevice wlandev, p80211msg_t *msg);
	int (set_multicast_list)(struct wlandevice wlandev,
	netdevice_t *dev);
	void (tx_timeout)(struct wlandevice wlandev);

	/* 802.11 State */
	u8 bssid[WLAN_BSSID_LEN];
	p80211pstr32_t ssid;
	u32 macmode;
	int linkstatus;

	/* WEP State */
	u8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
	u8 wep_keylens[NUM_WEPKEYS];
	int hostwep;

	/* Request/Confirm i/f state (used by p80211) */
	unsigned long request_pending; /* flag, access atomically */

	/* netlink socket */
	/* queue for indications waiting for cmd completion */
	/* Linux netdevice and support */
	netdevice_t netdev; / ptr to linux netdevice */
	struct net_device_stats linux_stats;

	/* Rx bottom half */
	struct tasklet_struct rx_bh;

	struct sk_buff_head nsd_rxq;

	/* 802.11 device statistics */
	struct p80211_frmrx_t rx;

	struct iw_statistics wstats;

	/* jkriegl: iwspy fields */
	u8 spy_number;
	char spy_address[IW_MAX_SPY][ETH_ALEN];
	struct iw_quality spy_stat[IW_MAX_SPY];
	} wlandevice_t;

	/* WEP stuff */
	int wep_change_key(wlandevice_t wlandev, int keynum, u8 key, int keylen);
	int wep_decrypt(wlandevice_t wlandev, u8 buf, u32 len, int key_override, u8 iv, u8 icv);
	int wep_encrypt(wlandevice_t wlandev, u8 buf, u8 dst, u32 len, int keynum, u8 iv, u8 *icv);

	void p80211netdev_startup(void);
	void p80211netdev_shutdown(void);
	int wlan_setup(wlandevice_t *wlandev);
	int wlan_unsetup(wlandevice_t *wlandev);
	int register_wlandev(wlandevice_t *wlandev);
	int unregister_wlandev(wlandevice_t *wlandev);
	void p80211netdev_rx(wlandevice_t wlandev, struct sk_buff skb);
	void p80211netdev_hwremoved(wlandevice_t *wlandev);

	#endif