summaryrefslogtreecommitdiff
path: root/drivers/staging/wlan-ng/p80211netdev.h
blob: 810ee68aa18e2ed85587094b356013ddae002618 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
/* 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>
#include <linux/netdevice.h>

#undef netdevice_t
typedef struct net_device netdevice_t;

#define WLAN_RELEASE	"0.3.0-staging"

#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_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_SHORT_PREAMBLE        0x10  /* hardware supports */
#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 */

/* 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 */
extern struct iw_handler_def p80211wext_handler_def;

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

#define HOSTWEP_DEFAULTKEY_MASK (BIT(1)|BIT(0))
#define HOSTWEP_SHAREDKEY BIT(3)
#define HOSTWEP_DECRYPT  BIT(4)
#define HOSTWEP_ENCRYPT  BIT(5)
#define HOSTWEP_PRIVACYINVOKED BIT(6)
#define HOSTWEP_EXCLUDEUNENCRYPTED BIT(7)

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,
			union p80211_hdr *p80211_hdr,
			struct p80211_metawep *p80211_wep);
	int (*mlmerequest)(struct wlandevice *wlandev, struct p80211msg *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 */

	/* 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);

int wlan_setup(wlandevice_t *wlandev, struct device *physdev);
void 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