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/* 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
{
UINT32 mgmt;
UINT32 assocreq;
UINT32 assocresp;
UINT32 reassocreq;
UINT32 reassocresp;
UINT32 probereq;
UINT32 proberesp;
UINT32 beacon;
UINT32 atim;
UINT32 disassoc;
UINT32 authen;
UINT32 deauthen;
UINT32 mgmt_unknown;
UINT32 ctl;
UINT32 pspoll;
UINT32 rts;
UINT32 cts;
UINT32 ack;
UINT32 cfend;
UINT32 cfendcfack;
UINT32 ctl_unknown;
UINT32 data;
UINT32 dataonly;
UINT32 data_cfack;
UINT32 data_cfpoll;
UINT32 data__cfack_cfpoll;
UINT32 null;
UINT32 cfack;
UINT32 cfpoll;
UINT32 cfack_cfpoll;
UINT32 data_unknown;
UINT32 decrypt;
UINT32 decrypt_err;
} p80211_frmrx_t;
#ifdef WIRELESS_EXT
/* 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);
#if WIRELESS_EXT > 12
extern struct iw_handler_def p80211wext_handler_def;
#endif
int p80211wext_event_associated(struct wlandevice *wlandev, int assoc);
#endif /* wireless extensions */
/* 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;
UINT32 state; /* Device I/F state (open/closed) */
UINT32 msdstate; /* state of underlying driver */
UINT32 hwremoved; /* Has the hw been yanked out? */
/* Hardware config */
UINT irq;
UINT iobase;
UINT membase;
UINT32 nsdcaps; /* NSD Capabilities flags */
/* Config vars */
UINT 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);
#ifdef CONFIG_PROC_FS
int (*nsd_proc_read)(char *page, char **start, off_t offset, int count, int *eof, void *data);
#endif
/* 802.11 State */
UINT8 bssid[WLAN_BSSID_LEN];
p80211pstr32_t ssid;
UINT32 macmode;
int linkstatus;
int shortpreamble; /* C bool */
/* WEP State */
UINT8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
UINT8 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;
#ifdef CONFIG_PROC_FS
/* Procfs support */
struct proc_dir_entry *procdir;
struct proc_dir_entry *procwlandev;
#endif
/* Rx bottom half */
struct tasklet_struct rx_bh;
struct sk_buff_head nsd_rxq;
/* 802.11 device statistics */
struct p80211_frmrx_t rx;
/* compatibility to wireless extensions */
#ifdef WIRELESS_EXT
struct iw_statistics wstats;
/* jkriegl: iwspy fields */
UINT8 spy_number;
char spy_address[IW_MAX_SPY][ETH_ALEN];
struct iw_quality spy_stat[IW_MAX_SPY];
#endif
} wlandevice_t;
/* WEP stuff */
int wep_change_key(wlandevice_t *wlandev, int keynum, UINT8* key, int keylen);
int wep_decrypt(wlandevice_t *wlandev, UINT8 *buf, UINT32 len, int key_override, UINT8 *iv, UINT8 *icv);
int wep_encrypt(wlandevice_t *wlandev, UINT8 *buf, UINT8 *dst, UINT32 len, int keynum, UINT8 *iv, UINT8 *icv);
/*================================================================*/
/* Externs */
/*================================================================*/
/* Function Declarations */
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);
void p80211_suspend(wlandevice_t *wlandev);
void p80211_resume(wlandevice_t *wlandev);
/*================================================================*/
/* Function Definitions */
static inline void
p80211netdev_stop_queue(wlandevice_t *wlandev)
{
if ( !wlandev ) return;
if ( !wlandev->netdev ) return;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
wlandev->netdev->tbusy = 1;
wlandev->netdev->start = 0;
#else
netif_stop_queue(wlandev->netdev);
#endif
}
static inline void
p80211netdev_start_queue(wlandevice_t *wlandev)
{
if ( !wlandev ) return;
if ( !wlandev->netdev ) return;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
wlandev->netdev->tbusy = 0;
wlandev->netdev->start = 1;
#else
netif_start_queue(wlandev->netdev);
#endif
}
static inline void
p80211netdev_wake_queue(wlandevice_t *wlandev)
{
if ( !wlandev ) return;
if ( !wlandev->netdev ) return;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
wlandev->netdev->tbusy = 0;
mark_bh(NET_BH);
#else
netif_wake_queue(wlandev->netdev);
#endif
}
#ifdef CONFIG_HOTPLUG
#define WLAN_HOTPLUG_REGISTER "register"
#define WLAN_HOTPLUG_REMOVE "remove"
#define WLAN_HOTPLUG_STARTUP "startup"
#define WLAN_HOTPLUG_SHUTDOWN "shutdown"
#define WLAN_HOTPLUG_SUSPEND "suspend"
#define WLAN_HOTPLUG_RESUME "resume"
int p80211_run_sbin_hotplug(wlandevice_t *wlandev, char *action);
#endif
#endif
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