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 #define WLAN_RELEASE    "0.3.0-staging"
  61
  62 #define WLAN_DEVICE_CLOSED      0
  63 #define WLAN_DEVICE_OPEN        1
  64
  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
  69
  70 /* MSD States */
  71 #define WLAN_MSD_HWPRESENT_PENDING      1
  72 #define WLAN_MSD_HWFAIL                 2
  73 #define WLAN_MSD_HWPRESENT              3
  74 #define WLAN_MSD_FWLOAD_PENDING         4
  75 #define WLAN_MSD_FWLOAD                 5
  76 #define WLAN_MSD_RUNNING_PENDING        6
  77 #define WLAN_MSD_RUNNING                7
  78
  79 #ifndef ETH_P_ECONET
  80 #define ETH_P_ECONET   0x0018   /* needed for 2.2.x kernels */
  81 #endif
  82
  83 #define ETH_P_80211_RAW        (ETH_P_ECONET + 1)
  84
  85 #ifndef ARPHRD_IEEE80211
  86 #define ARPHRD_IEEE80211 801    /* kernel 2.4.6 */
  87 #endif
  88
  89 #ifndef ARPHRD_IEEE80211_PRISM  /* kernel 2.4.18 */
  90 #define ARPHRD_IEEE80211_PRISM 802
  91 #endif
  92
  93 /*--- NSD Capabilities Flags ------------------------------*/
  94 #define P80211_NSDCAP_HARDWAREWEP           0x01  /* hardware wep engine */
  95 #define P80211_NSDCAP_SHORT_PREAMBLE        0x10  /* hardware supports */
  96 #define P80211_NSDCAP_HWFRAGMENT            0x80  /* nsd handles frag/defrag */
  97 #define P80211_NSDCAP_AUTOJOIN              0x100 /* nsd does autojoin */
  98 #define P80211_NSDCAP_NOSCAN                0x200 /* nsd can scan */
  99
 100 /* Received frame statistics */
 101 struct p80211_frmrx {
 102         u32 mgmt;
 103         u32 assocreq;
 104         u32 assocresp;
 105         u32 reassocreq;
 106         u32 reassocresp;
 107         u32 probereq;
 108         u32 proberesp;
 109         u32 beacon;
 110         u32 atim;
 111         u32 disassoc;
 112         u32 authen;
 113         u32 deauthen;
 114         u32 mgmt_unknown;
 115         u32 ctl;
 116         u32 pspoll;
 117         u32 rts;
 118         u32 cts;
 119         u32 ack;
 120         u32 cfend;
 121         u32 cfendcfack;
 122         u32 ctl_unknown;
 123         u32 data;
 124         u32 dataonly;
 125         u32 data_cfack;
 126         u32 data_cfpoll;
 127         u32 data__cfack_cfpoll;
 128         u32 null;
 129         u32 cfack;
 130         u32 cfpoll;
 131         u32 cfack_cfpoll;
 132         u32 data_unknown;
 133         u32 decrypt;
 134         u32 decrypt_err;
 135 };
 136
 137 /* called by /proc/net/wireless */
 138 struct iw_statistics *p80211wext_get_wireless_stats(struct net_device *dev);
 139 /* wireless extensions' ioctls */
 140 extern struct iw_handler_def p80211wext_handler_def;
 141
 142 /* WEP stuff */
 143 #define NUM_WEPKEYS 4
 144 #define MAX_KEYLEN 32
 145
 146 #define HOSTWEP_DEFAULTKEY_MASK GENMASK(1, 0)
 147 #define HOSTWEP_SHAREDKEY BIT(3)
 148 #define HOSTWEP_DECRYPT  BIT(4)
 149 #define HOSTWEP_ENCRYPT  BIT(5)
 150 #define HOSTWEP_PRIVACYINVOKED BIT(6)
 151 #define HOSTWEP_EXCLUDEUNENCRYPTED BIT(7)
 152
 153 extern int wlan_watchdog;
 154 extern int wlan_wext_write;
 155
 156 /* WLAN device type */
 157 struct wlandevice {
 158         void *priv;             /* private data for MSD */
 159
 160         /* Subsystem State */
 161         char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev() */
 162         char *nsdname;
 163
 164         u32 state;              /* Device I/F state (open/closed) */
 165         u32 msdstate;           /* state of underlying driver */
 166         u32 hwremoved;          /* Has the hw been yanked out? */
 167
 168         /* Hardware config */
 169         unsigned int irq;
 170         unsigned int iobase;
 171         unsigned int membase;
 172         u32 nsdcaps;            /* NSD Capabilities flags */
 173
 174         /* Config vars */
 175         unsigned int ethconv;
 176
 177         /* device methods (init by MSD, used by p80211 */
 178         int (*open)(struct wlandevice *wlandev);
 179         int (*close)(struct wlandevice *wlandev);
 180         void (*reset)(struct wlandevice *wlandev);
 181         int (*txframe)(struct wlandevice *wlandev, struct sk_buff *skb,
 182                         union p80211_hdr *p80211_hdr,
 183                         struct p80211_metawep *p80211_wep);
 184         int (*mlmerequest)(struct wlandevice *wlandev, struct p80211msg *msg);
 185         int (*set_multicast_list)(struct wlandevice *wlandev,
 186                                    struct net_device *dev);
 187         void (*tx_timeout)(struct wlandevice *wlandev);
 188
 189         /* 802.11 State */
 190         u8 bssid[WLAN_BSSID_LEN];
 191         struct p80211pstr32 ssid;
 192         u32 macmode;
 193         int linkstatus;
 194
 195         /* WEP State */
 196         u8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
 197         u8 wep_keylens[NUM_WEPKEYS];
 198         int hostwep;
 199
 200         /* Request/Confirm i/f state (used by p80211) */
 201         unsigned long request_pending;  /* flag, access atomically */
 202
 203         /* netlink socket */
 204         /* queue for indications waiting for cmd completion */
 205         /* Linux netdevice and support */
 206         struct net_device *netdev;      /* ptr to linux netdevice */
 207
 208         /* Rx bottom half */
 209         struct tasklet_struct rx_bh;
 210
 211         struct sk_buff_head nsd_rxq;
 212
 213         /* 802.11 device statistics */
 214         struct p80211_frmrx rx;
 215
 216         struct iw_statistics wstats;
 217
 218         /* jkriegl: iwspy fields */
 219         u8 spy_number;
 220         char spy_address[IW_MAX_SPY][ETH_ALEN];
 221         struct iw_quality spy_stat[IW_MAX_SPY];
 222 };
 223
 224 /* WEP stuff */
 225 int wep_change_key(struct wlandevice *wlandev, int keynum, u8 *key, int keylen);
 226 int wep_decrypt(struct wlandevice *wlandev, u8 *buf, u32 len, int key_override,
 227                 u8 *iv, u8 *icv);
 228 int wep_encrypt(struct wlandevice *wlandev, u8 *buf, u8 *dst, u32 len,
 229                 int keynum, u8 *iv, u8 *icv);
 230
 231 int wlan_setup(struct wlandevice *wlandev, struct device *physdev);
 232 void wlan_unsetup(struct wlandevice *wlandev);
 233 int register_wlandev(struct wlandevice *wlandev);
 234 int unregister_wlandev(struct wlandevice *wlandev);
 235 void p80211netdev_rx(struct wlandevice *wlandev, struct sk_buff *skb);
 236 void p80211netdev_hwremoved(struct wlandevice *wlandev);
 237 #endif