3 * WLAN net device structure and functions
5 * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
6 * --------------------------------------------------------------------
10 * The contents of this file are subject to the Mozilla Public
11 * License Version 1.1 (the "License"); you may not use this file
12 * except in compliance with the License. You may obtain a copy of
13 * the License at http://www.mozilla.org/MPL/
15 * Software distributed under the License is distributed on an "AS
16 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
17 * implied. See the License for the specific language governing
18 * rights and limitations under the License.
20 * Alternatively, the contents of this file may be used under the
21 * terms of the GNU Public License version 2 (the "GPL"), in which
22 * case the provisions of the GPL are applicable instead of the
23 * above. If you wish to allow the use of your version of this file
24 * only under the terms of the GPL and not to allow others to use
25 * your version of this file under the MPL, indicate your decision
26 * by deleting the provisions above and replace them with the notice
27 * and other provisions required by the GPL. If you do not delete
28 * the provisions above, a recipient may use your version of this
29 * file under either the MPL or the GPL.
31 * --------------------------------------------------------------------
33 * Inquiries regarding the linux-wlan Open Source project can be
36 * AbsoluteValue Systems Inc.
38 * http://www.linux-wlan.com
40 * --------------------------------------------------------------------
42 * Portions of the development of this software were funded by
43 * Intersil Corporation as part of PRISM(R) chipset product development.
45 * --------------------------------------------------------------------
47 * This file declares the structure type that represents each wlan
50 * --------------------------------------------------------------------
53 #ifndef _LINUX_P80211NETDEV_H
54 #define _LINUX_P80211NETDEV_H
56 #include <linux/interrupt.h>
57 #include <linux/wireless.h>
59 /*================================================================*/
62 #define WLAN_DEVICE_CLOSED 0
63 #define WLAN_DEVICE_OPEN 1
65 #define WLAN_MACMODE_NONE 0
66 #define WLAN_MACMODE_IBSS_STA 1
67 #define WLAN_MACMODE_ESS_STA 2
68 #define WLAN_MACMODE_ESS_AP 3
71 #define WLAN_MSD_START -1
72 #define WLAN_MSD_DRIVERLOADED 0
73 #define WLAN_MSD_HWPRESENT_PENDING 1
74 #define WLAN_MSD_HWFAIL 2
75 #define WLAN_MSD_HWPRESENT 3
76 #define WLAN_MSD_FWLOAD_PENDING 4
77 #define WLAN_MSD_FWLOAD 5
78 #define WLAN_MSD_RUNNING_PENDING 6
79 #define WLAN_MSD_RUNNING 7
82 #define ETH_P_ECONET 0x0018 /* needed for 2.2.x kernels */
85 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
87 #ifndef ARPHRD_IEEE80211
88 #define ARPHRD_IEEE80211 801 /* kernel 2.4.6 */
91 #ifndef ARPHRD_IEEE80211_PRISM /* kernel 2.4.18 */
92 #define ARPHRD_IEEE80211_PRISM 802
95 /*--- NSD Capabilities Flags ------------------------------*/
96 #define P80211_NSDCAP_HARDWAREWEP 0x01 /* hardware wep engine */
97 #define P80211_NSDCAP_TIEDWEP 0x02 /* can't decouple en/de */
98 #define P80211_NSDCAP_NOHOSTWEP 0x04 /* must use hardware wep */
99 #define P80211_NSDCAP_PBCC 0x08 /* hardware supports PBCC */
100 #define P80211_NSDCAP_SHORT_PREAMBLE 0x10 /* hardware supports */
101 #define P80211_NSDCAP_AGILITY 0x20 /* hardware supports */
102 #define P80211_NSDCAP_AP_RETRANSMIT 0x40 /* nsd handles retransmits */
103 #define P80211_NSDCAP_HWFRAGMENT 0x80 /* nsd handles frag/defrag */
104 #define P80211_NSDCAP_AUTOJOIN 0x100 /* nsd does autojoin */
105 #define P80211_NSDCAP_NOSCAN 0x200 /* nsd can scan */
107 /*================================================================*/
110 /*================================================================*/
113 /* Received frame statistics */
114 typedef struct p80211_frmrx_t
141 u32 data__cfack_cfpoll
;
151 /* called by /proc/net/wireless */
152 struct iw_statistics
* p80211wext_get_wireless_stats(netdevice_t
*dev
);
153 /* wireless extensions' ioctls */
154 int p80211wext_support_ioctl(netdevice_t
*dev
, struct ifreq
*ifr
, int cmd
);
155 extern struct iw_handler_def p80211wext_handler_def
;
156 int p80211wext_event_associated(struct wlandevice
*wlandev
, int assoc
);
159 #define NUM_WEPKEYS 4
160 #define MAX_KEYLEN 32
162 #define HOSTWEP_DEFAULTKEY_MASK (BIT1|BIT0)
163 #define HOSTWEP_DECRYPT BIT4
164 #define HOSTWEP_ENCRYPT BIT5
165 #define HOSTWEP_PRIVACYINVOKED BIT6
166 #define HOSTWEP_EXCLUDEUNENCRYPTED BIT7
168 extern int wlan_watchdog
;
169 extern int wlan_wext_write
;
171 /* WLAN device type */
172 typedef struct wlandevice
174 struct wlandevice
*next
; /* link for list of devices */
175 void *priv
; /* private data for MSD */
177 /* Subsystem State */
178 char name
[WLAN_DEVNAMELEN_MAX
]; /* Dev name, from register_wlandev()*/
181 u32 state
; /* Device I/F state (open/closed) */
182 u32 msdstate
; /* state of underlying driver */
183 u32 hwremoved
; /* Has the hw been yanked out? */
185 /* Hardware config */
188 unsigned int membase
;
189 u32 nsdcaps
; /* NSD Capabilities flags */
192 unsigned int ethconv
;
194 /* device methods (init by MSD, used by p80211 */
195 int (*open
)(struct wlandevice
*wlandev
);
196 int (*close
)(struct wlandevice
*wlandev
);
197 void (*reset
)(struct wlandevice
*wlandev
);
198 int (*txframe
)(struct wlandevice
*wlandev
, struct sk_buff
*skb
, p80211_hdr_t
*p80211_hdr
, p80211_metawep_t
*p80211_wep
);
199 int (*mlmerequest
)(struct wlandevice
*wlandev
, p80211msg_t
*msg
);
200 int (*set_multicast_list
)(struct wlandevice
*wlandev
,
202 void (*tx_timeout
)(struct wlandevice
*wlandev
);
205 u8 bssid
[WLAN_BSSID_LEN
];
211 u8 wep_keys
[NUM_WEPKEYS
][MAX_KEYLEN
];
212 u8 wep_keylens
[NUM_WEPKEYS
];
215 /* Request/Confirm i/f state (used by p80211) */
216 unsigned long request_pending
; /* flag, access atomically */
219 /* queue for indications waiting for cmd completion */
220 /* Linux netdevice and support */
221 netdevice_t
*netdev
; /* ptr to linux netdevice */
222 struct net_device_stats linux_stats
;
225 struct tasklet_struct rx_bh
;
227 struct sk_buff_head nsd_rxq
;
229 /* 802.11 device statistics */
230 struct p80211_frmrx_t rx
;
232 struct iw_statistics wstats
;
234 /* jkriegl: iwspy fields */
236 char spy_address
[IW_MAX_SPY
][ETH_ALEN
];
237 struct iw_quality spy_stat
[IW_MAX_SPY
];
241 int wep_change_key(wlandevice_t
*wlandev
, int keynum
, u8
* key
, int keylen
);
242 int wep_decrypt(wlandevice_t
*wlandev
, u8
*buf
, u32 len
, int key_override
, u8
*iv
, u8
*icv
);
243 int wep_encrypt(wlandevice_t
*wlandev
, u8
*buf
, u8
*dst
, u32 len
, int keynum
, u8
*iv
, u8
*icv
);
245 void p80211netdev_startup(void);
246 void p80211netdev_shutdown(void);
247 int wlan_setup(wlandevice_t
*wlandev
);
248 int wlan_unsetup(wlandevice_t
*wlandev
);
249 int register_wlandev(wlandevice_t
*wlandev
);
250 int unregister_wlandev(wlandevice_t
*wlandev
);
251 void p80211netdev_rx(wlandevice_t
*wlandev
, struct sk_buff
*skb
);
252 void p80211netdev_hwremoved(wlandevice_t
*wlandev
);