drivers/staging/wlan-ng/p80211netdev.h

   1 /* p80211netdev.h
   2 *
   3 * WLAN net device structure and functions
   4 *
   5 * Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
   6 * --------------------------------------------------------------------
   7 *
   8 * linux-wlan
   9 *
  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/
  14 *
  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.
  19 *
  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.
  30 *
  31 * --------------------------------------------------------------------
  32 *
  33 * Inquiries regarding the linux-wlan Open Source project can be
  34 * made directly to:
  35 *
  36 * AbsoluteValue Systems Inc.
  37 * info@linux-wlan.com
  38 * http://www.linux-wlan.com
  39 *
  40 * --------------------------------------------------------------------
  41 *
  42 * Portions of the development of this software were funded by
  43 * Intersil Corporation as part of PRISM(R) chipset product development.
  44 *
  45 * --------------------------------------------------------------------
  46 *
  47 * This file declares the structure type that represents each wlan
  48 * interface.
  49 *
  50 * --------------------------------------------------------------------
  51 */
  52
  53 #ifndef _LINUX_P80211NETDEV_H
  54 #define _LINUX_P80211NETDEV_H
  55
  56 #include <linux/interrupt.h>
  57 #include <linux/wireless.h>
  58 #include <linux/netdevice.h>
  59
  60 #undef netdevice_t
  61 typedef struct net_device netdevice_t;
  62
  63 #define WLAN_RELEASE    "0.3.0-staging"
  64
  65 #define WLAN_DEVICE_CLOSED      0
  66 #define WLAN_DEVICE_OPEN        1
  67
  68 #define WLAN_MACMODE_NONE       0
  69 #define WLAN_MACMODE_IBSS_STA   1
  70 #define WLAN_MACMODE_ESS_STA    2
  71 #define WLAN_MACMODE_ESS_AP     3
  72
  73 /* MSD States */
  74 #define WLAN_MSD_HWPRESENT_PENDING      1
  75 #define WLAN_MSD_HWFAIL                 2
  76 #define WLAN_MSD_HWPRESENT              3
  77 #define WLAN_MSD_FWLOAD_PENDING         4
  78 #define WLAN_MSD_FWLOAD                 5
  79 #define WLAN_MSD_RUNNING_PENDING        6
  80 #define WLAN_MSD_RUNNING                7
  81
  82 #ifndef ETH_P_ECONET
  83 #define ETH_P_ECONET   0x0018   /* needed for 2.2.x kernels */
  84 #endif
  85
  86 #define ETH_P_80211_RAW        (ETH_P_ECONET + 1)
  87
  88 #ifndef ARPHRD_IEEE80211
  89 #define ARPHRD_IEEE80211 801    /* kernel 2.4.6 */
  90 #endif
  91
  92 #ifndef ARPHRD_IEEE80211_PRISM  /* kernel 2.4.18 */
  93 #define ARPHRD_IEEE80211_PRISM 802
  94 #endif
  95
  96 /*--- NSD Capabilities Flags ------------------------------*/
  97 #define P80211_NSDCAP_HARDWAREWEP           0x01  /* hardware wep engine */
  98 #define P80211_NSDCAP_SHORT_PREAMBLE        0x10  /* hardware supports */
  99 #define P80211_NSDCAP_HWFRAGMENT            0x80  /* nsd handles frag/defrag */
 100 #define P80211_NSDCAP_AUTOJOIN              0x100 /* nsd does autojoin */
 101 #define P80211_NSDCAP_NOSCAN                0x200 /* nsd can scan */
 102
 103 /* Received frame statistics */
 104 typedef struct p80211_frmrx_t {
 105         u32 mgmt;
 106         u32 assocreq;
 107         u32 assocresp;
 108         u32 reassocreq;
 109         u32 reassocresp;
 110         u32 probereq;
 111         u32 proberesp;
 112         u32 beacon;
 113         u32 atim;
 114         u32 disassoc;
 115         u32 authen;
 116         u32 deauthen;
 117         u32 mgmt_unknown;
 118         u32 ctl;
 119         u32 pspoll;
 120         u32 rts;
 121         u32 cts;
 122         u32 ack;
 123         u32 cfend;
 124         u32 cfendcfack;
 125         u32 ctl_unknown;
 126         u32 data;
 127         u32 dataonly;
 128         u32 data_cfack;
 129         u32 data_cfpoll;
 130         u32 data__cfack_cfpoll;
 131         u32 null;
 132         u32 cfack;
 133         u32 cfpoll;
 134         u32 cfack_cfpoll;
 135         u32 data_unknown;
 136         u32 decrypt;
 137         u32 decrypt_err;
 138 } p80211_frmrx_t;
 139
 140 /* called by /proc/net/wireless */
 141 struct iw_statistics *p80211wext_get_wireless_stats(netdevice_t *dev);
 142 /* wireless extensions' ioctls */
 143 extern struct iw_handler_def p80211wext_handler_def;
 144
 145 /* WEP stuff */
 146 #define NUM_WEPKEYS 4
 147 #define MAX_KEYLEN 32
 148
 149 #define HOSTWEP_DEFAULTKEY_MASK (BIT(1)|BIT(0))
 150 #define HOSTWEP_SHAREDKEY BIT(3)
 151 #define HOSTWEP_DECRYPT  BIT(4)
 152 #define HOSTWEP_ENCRYPT  BIT(5)
 153 #define HOSTWEP_PRIVACYINVOKED BIT(6)
 154 #define HOSTWEP_EXCLUDEUNENCRYPTED BIT(7)
 155
 156 extern int wlan_watchdog;
 157 extern int wlan_wext_write;
 158
 159 /* WLAN device type */
 160 typedef struct wlandevice {
 161         struct wlandevice *next;        /* link for list of devices */
 162         void *priv;             /* private data for MSD */
 163
 164         /* Subsystem State */
 165         char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev() */
 166         char *nsdname;
 167
 168         u32 state;              /* Device I/F state (open/closed) */
 169         u32 msdstate;           /* state of underlying driver */
 170         u32 hwremoved;          /* Has the hw been yanked out? */
 171
 172         /* Hardware config */
 173         unsigned int irq;
 174         unsigned int iobase;
 175         unsigned int membase;
 176         u32 nsdcaps;            /* NSD Capabilities flags */
 177
 178         /* Config vars */
 179         unsigned int ethconv;
 180
 181         /* device methods (init by MSD, used by p80211 */
 182         int (*open)(struct wlandevice *wlandev);
 183         int (*close)(struct wlandevice *wlandev);
 184         void (*reset)(struct wlandevice *wlandev);
 185         int (*txframe)(struct wlandevice *wlandev, struct sk_buff *skb,
 186                         union p80211_hdr *p80211_hdr,
 187                         struct p80211_metawep *p80211_wep);
 188         int (*mlmerequest)(struct wlandevice *wlandev, struct p80211msg *msg);
 189         int (*set_multicast_list)(struct wlandevice *wlandev,
 190                                    netdevice_t *dev);
 191         void (*tx_timeout)(struct wlandevice *wlandev);
 192
 193         /* 802.11 State */
 194         u8 bssid[WLAN_BSSID_LEN];
 195         p80211pstr32_t ssid;
 196         u32 macmode;
 197         int linkstatus;
 198
 199         /* WEP State */
 200         u8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
 201         u8 wep_keylens[NUM_WEPKEYS];
 202         int hostwep;
 203
 204         /* Request/Confirm i/f state (used by p80211) */
 205         unsigned long request_pending;  /* flag, access atomically */
 206
 207         /* netlink socket */
 208         /* queue for indications waiting for cmd completion */
 209         /* Linux netdevice and support */
 210         netdevice_t *netdev;    /* ptr to linux netdevice */
 211
 212         /* Rx bottom half */
 213         struct tasklet_struct rx_bh;
 214
 215         struct sk_buff_head nsd_rxq;
 216
 217         /* 802.11 device statistics */
 218         struct p80211_frmrx_t rx;
 219
 220         struct iw_statistics wstats;
 221
 222         /* jkriegl: iwspy fields */
 223         u8 spy_number;
 224         char spy_address[IW_MAX_SPY][ETH_ALEN];
 225         struct iw_quality spy_stat[IW_MAX_SPY];
 226 } wlandevice_t;
 227
 228 /* WEP stuff */
 229 int wep_change_key(wlandevice_t *wlandev, int keynum, u8 *key, int keylen);
 230 int wep_decrypt(wlandevice_t *wlandev, u8 *buf, u32 len, int key_override,
 231                 u8 *iv, u8 *icv);
 232 int wep_encrypt(wlandevice_t *wlandev, u8 *buf, u8 *dst, u32 len, int keynum,
 233                 u8 *iv, u8 *icv);
 234
 235 int wlan_setup(wlandevice_t *wlandev, struct device *physdev);
 236 void wlan_unsetup(wlandevice_t *wlandev);
 237 int register_wlandev(wlandevice_t *wlandev);
 238 int unregister_wlandev(wlandevice_t *wlandev);
 239 void p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb);
 240 void p80211netdev_hwremoved(wlandevice_t *wlandev);
 241 #endif