LXR linux/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
  61typedef 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 */
 104typedef 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 */
 141struct iw_statistics *p80211wext_get_wireless_stats(netdevice_t *dev);
 142/* wireless extensions' ioctls */
 143extern struct iw_handler_def p80211wext_handler_def;
 144int p80211wext_event_associated(struct wlandevice *wlandev, int assoc);
 145
 146/* WEP stuff */
 147#define NUM_WEPKEYS 4
 148#define MAX_KEYLEN 32
 149
 150#define HOSTWEP_DEFAULTKEY_MASK (BIT(1)|BIT(0))
 151#define HOSTWEP_SHAREDKEY BIT(3)
 152#define HOSTWEP_DECRYPT  BIT(4)
 153#define HOSTWEP_ENCRYPT  BIT(5)
 154#define HOSTWEP_PRIVACYINVOKED BIT(6)
 155#define HOSTWEP_EXCLUDEUNENCRYPTED BIT(7)
 156
 157extern int wlan_watchdog;
 158extern int wlan_wext_write;
 159
 160/* WLAN device type */
 161typedef struct wlandevice {
 162        struct wlandevice *next;        /* link for list of devices */
 163        void *priv;             /* private data for MSD */
 164
 165        /* Subsystem State */
 166        char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev() */
 167        char *nsdname;
 168
 169        u32 state;              /* Device I/F state (open/closed) */
 170        u32 msdstate;           /* state of underlying driver */
 171        u32 hwremoved;          /* Has the hw been yanked out? */
 172
 173        /* Hardware config */
 174        unsigned int irq;
 175        unsigned int iobase;
 176        unsigned int membase;
 177        u32 nsdcaps;            /* NSD Capabilities flags */
 178
 179        /* Config vars */
 180        unsigned int ethconv;
 181
 182        /* device methods (init by MSD, used by p80211 */
 183        int (*open)(struct wlandevice *wlandev);
 184        int (*close)(struct wlandevice *wlandev);
 185        void (*reset)(struct wlandevice *wlandev);
 186        int (*txframe)(struct wlandevice *wlandev, struct sk_buff *skb,
 187                        union p80211_hdr *p80211_hdr,
 188                        struct p80211_metawep *p80211_wep);
 189        int (*mlmerequest)(struct wlandevice *wlandev, struct p80211msg *msg);
 190        int (*set_multicast_list)(struct wlandevice *wlandev,
 191                                   netdevice_t *dev);
 192        void (*tx_timeout)(struct wlandevice *wlandev);
 193
 194        /* 802.11 State */
 195        u8 bssid[WLAN_BSSID_LEN];
 196        p80211pstr32_t ssid;
 197        u32 macmode;
 198        int linkstatus;
 199
 200        /* WEP State */
 201        u8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
 202        u8 wep_keylens[NUM_WEPKEYS];
 203        int hostwep;
 204
 205        /* Request/Confirm i/f state (used by p80211) */
 206        unsigned long request_pending;  /* flag, access atomically */
 207
 208        /* netlink socket */
 209        /* queue for indications waiting for cmd completion */
 210        /* Linux netdevice and support */
 211        netdevice_t *netdev;    /* ptr to linux netdevice */
 212
 213        /* Rx bottom half */
 214        struct tasklet_struct rx_bh;
 215
 216        struct sk_buff_head nsd_rxq;
 217
 218        /* 802.11 device statistics */
 219        struct p80211_frmrx_t rx;
 220
 221        struct iw_statistics wstats;
 222
 223        /* jkriegl: iwspy fields */
 224        u8 spy_number;
 225        char spy_address[IW_MAX_SPY][ETH_ALEN];
 226        struct iw_quality spy_stat[IW_MAX_SPY];
 227} wlandevice_t;
 228
 229/* WEP stuff */
 230int wep_change_key(wlandevice_t *wlandev, int keynum, u8 *key, int keylen);
 231int wep_decrypt(wlandevice_t *wlandev, u8 *buf, u32 len, int key_override,
 232                u8 *iv, u8 *icv);
 233int wep_encrypt(wlandevice_t *wlandev, u8 *buf, u8 *dst, u32 len, int keynum,
 234                u8 *iv, u8 *icv);
 235
 236int wlan_setup(wlandevice_t *wlandev, struct device *physdev);
 237void wlan_unsetup(wlandevice_t *wlandev);
 238int register_wlandev(wlandevice_t *wlandev);
 239int unregister_wlandev(wlandevice_t *wlandev);
 240void p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb);
 241void p80211netdev_hwremoved(wlandevice_t *wlandev);
 242#endif
 243