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>
58 #include <linux/netdevice.h>
60 /*================================================================*/
64 typedef struct net_device netdevice_t;
66 #define WLAN_RELEASE "0.3.0-staging"
68 #define WLAN_DEVICE_CLOSED 0
69 #define WLAN_DEVICE_OPEN 1
71 #define WLAN_MACMODE_NONE 0
72 #define WLAN_MACMODE_IBSS_STA 1
73 #define WLAN_MACMODE_ESS_STA 2
74 #define WLAN_MACMODE_ESS_AP 3
77 #define WLAN_MSD_HWPRESENT_PENDING 1
78 #define WLAN_MSD_HWFAIL 2
79 #define WLAN_MSD_HWPRESENT 3
80 #define WLAN_MSD_FWLOAD_PENDING 4
81 #define WLAN_MSD_FWLOAD 5
82 #define WLAN_MSD_RUNNING_PENDING 6
83 #define WLAN_MSD_RUNNING 7
86 #define ETH_P_ECONET 0x0018 /* needed for 2.2.x kernels */
89 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
91 #ifndef ARPHRD_IEEE80211
92 #define ARPHRD_IEEE80211 801 /* kernel 2.4.6 */
95 #ifndef ARPHRD_IEEE80211_PRISM /* kernel 2.4.18 */
96 #define ARPHRD_IEEE80211_PRISM 802
99 /*--- NSD Capabilities Flags ------------------------------*/
100 #define P80211_NSDCAP_HARDWAREWEP 0x01 /* hardware wep engine */
101 #define P80211_NSDCAP_SHORT_PREAMBLE 0x10 /* hardware supports */
102 #define P80211_NSDCAP_HWFRAGMENT 0x80 /* nsd handles frag/defrag */
103 #define P80211_NSDCAP_AUTOJOIN 0x100 /* nsd does autojoin */
104 #define P80211_NSDCAP_NOSCAN 0x200 /* nsd can scan */
106 /* Received frame statistics */
107 typedef struct p80211_frmrx_t {
133 u32 data__cfack_cfpoll;
143 /* called by /proc/net/wireless */
144 struct iw_statistics *p80211wext_get_wireless_stats(netdevice_t * dev);
145 /* wireless extensions' ioctls */
146 extern struct iw_handler_def p80211wext_handler_def;
147 int p80211wext_event_associated(struct wlandevice *wlandev, int assoc);
150 #define NUM_WEPKEYS 4
151 #define MAX_KEYLEN 32
153 #define HOSTWEP_DEFAULTKEY_MASK (BIT(1)|BIT(0))
154 #define HOSTWEP_DECRYPT BIT(4)
155 #define HOSTWEP_ENCRYPT BIT(5)
156 #define HOSTWEP_PRIVACYINVOKED BIT(6)
157 #define HOSTWEP_EXCLUDEUNENCRYPTED BIT(7)
159 extern int wlan_watchdog;
160 extern int wlan_wext_write;
162 /* WLAN device type */
163 typedef struct wlandevice {
164 struct wlandevice *next; /* link for list of devices */
165 void *priv; /* private data for MSD */
167 /* Subsystem State */
168 char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev() */
171 u32 state; /* Device I/F state (open/closed) */
172 u32 msdstate; /* state of underlying driver */
173 u32 hwremoved; /* Has the hw been yanked out? */
175 /* Hardware config */
178 unsigned int membase;
179 u32 nsdcaps; /* NSD Capabilities flags */
182 unsigned int ethconv;
184 /* device methods (init by MSD, used by p80211 */
185 int (*open) (struct wlandevice * wlandev);
186 int (*close) (struct wlandevice * wlandev);
187 void (*reset) (struct wlandevice * wlandev);
188 int (*txframe) (struct wlandevice * wlandev, struct sk_buff * skb,
189 p80211_hdr_t * p80211_hdr,
190 p80211_metawep_t * p80211_wep);
191 int (*mlmerequest) (struct wlandevice * wlandev, p80211msg_t * msg);
192 int (*set_multicast_list) (struct wlandevice * wlandev,
194 void (*tx_timeout) (struct wlandevice * wlandev);
197 u8 bssid[WLAN_BSSID_LEN];
203 u8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
204 u8 wep_keylens[NUM_WEPKEYS];
207 /* Request/Confirm i/f state (used by p80211) */
208 unsigned long request_pending; /* flag, access atomically */
211 /* queue for indications waiting for cmd completion */
212 /* Linux netdevice and support */
213 netdevice_t *netdev; /* ptr to linux netdevice */
214 struct net_device_stats linux_stats;
217 struct tasklet_struct rx_bh;
219 struct sk_buff_head nsd_rxq;
221 /* 802.11 device statistics */
222 struct p80211_frmrx_t rx;
224 struct iw_statistics wstats;
226 /* jkriegl: iwspy fields */
228 char spy_address[IW_MAX_SPY][ETH_ALEN];
229 struct iw_quality spy_stat[IW_MAX_SPY];
233 int wep_change_key(wlandevice_t * wlandev, int keynum, u8 * key, int keylen);
234 int wep_decrypt(wlandevice_t * wlandev, u8 * buf, u32 len, int key_override,
236 int wep_encrypt(wlandevice_t * wlandev, u8 * buf, u8 * dst, u32 len, int keynum,
239 int wlan_setup(wlandevice_t * wlandev);
240 int wlan_unsetup(wlandevice_t * wlandev);
241 int register_wlandev(wlandevice_t * wlandev);
242 int unregister_wlandev(wlandevice_t * wlandev);
243 void p80211netdev_rx(wlandevice_t * wlandev, struct sk_buff *skb);
244 void p80211netdev_hwremoved(wlandevice_t * wlandev);