LXR linux/drivers/staging/wlan-ng/p80211netdev.h

   1// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1)
   2/* p80211netdev.h
   3 *
   4 * WLAN net device structure and functions
   5 *
   6 * Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
   7 * --------------------------------------------------------------------
   8 *
   9 * linux-wlan
  10 *
  11 *   The contents of this file are subject to the Mozilla Public
  12 *   License Version 1.1 (the "License"); you may not use this file
  13 *   except in compliance with the License. You may obtain a copy of
  14 *   the License at http://www.mozilla.org/MPL/
  15 *
  16 *   Software distributed under the License is distributed on an "AS
  17 *   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  18 *   implied. See the License for the specific language governing
  19 *   rights and limitations under the License.
  20 *
  21 *   Alternatively, the contents of this file may be used under the
  22 *   terms of the GNU Public License version 2 (the "GPL"), in which
  23 *   case the provisions of the GPL are applicable instead of the
  24 *   above.  If you wish to allow the use of your version of this file
  25 *   only under the terms of the GPL and not to allow others to use
  26 *   your version of this file under the MPL, indicate your decision
  27 *   by deleting the provisions above and replace them with the notice
  28 *   and other provisions required by the GPL.  If you do not delete
  29 *   the provisions above, a recipient may use your version of this
  30 *   file under either the MPL or the GPL.
  31 *
  32 * --------------------------------------------------------------------
  33 *
  34 * Inquiries regarding the linux-wlan Open Source project can be
  35 * made directly to:
  36 *
  37 * AbsoluteValue Systems Inc.
  38 * info@linux-wlan.com
  39 * http://www.linux-wlan.com
  40 *
  41 * --------------------------------------------------------------------
  42 *
  43 * Portions of the development of this software were funded by
  44 * Intersil Corporation as part of PRISM(R) chipset product development.
  45 *
  46 * --------------------------------------------------------------------
  47 *
  48 * This file declares the structure type that represents each wlan
  49 * interface.
  50 *
  51 * --------------------------------------------------------------------
  52 */
  53
  54#ifndef _LINUX_P80211NETDEV_H
  55#define _LINUX_P80211NETDEV_H
  56
  57#include <linux/interrupt.h>
  58#include <linux/wireless.h>
  59#include <linux/netdevice.h>
  60
  61#define WLAN_RELEASE    "0.3.0-staging"
  62
  63#define WLAN_DEVICE_CLOSED      0
  64#define WLAN_DEVICE_OPEN        1
  65
  66#define WLAN_MACMODE_NONE       0
  67#define WLAN_MACMODE_IBSS_STA   1
  68#define WLAN_MACMODE_ESS_STA    2
  69#define WLAN_MACMODE_ESS_AP     3
  70
  71/* MSD States */
  72#define WLAN_MSD_HWPRESENT_PENDING      1
  73#define WLAN_MSD_HWFAIL                 2
  74#define WLAN_MSD_HWPRESENT              3
  75#define WLAN_MSD_FWLOAD_PENDING         4
  76#define WLAN_MSD_FWLOAD                 5
  77#define WLAN_MSD_RUNNING_PENDING        6
  78#define WLAN_MSD_RUNNING                7
  79
  80#ifndef ETH_P_ECONET
  81#define ETH_P_ECONET   0x0018   /* needed for 2.2.x kernels */
  82#endif
  83
  84#define ETH_P_80211_RAW        (ETH_P_ECONET + 1)
  85
  86#ifndef ARPHRD_IEEE80211
  87#define ARPHRD_IEEE80211 801    /* kernel 2.4.6 */
  88#endif
  89
  90#ifndef ARPHRD_IEEE80211_PRISM  /* kernel 2.4.18 */
  91#define ARPHRD_IEEE80211_PRISM 802
  92#endif
  93
  94/*--- NSD Capabilities Flags ------------------------------*/
  95#define P80211_NSDCAP_HARDWAREWEP           0x01  /* hardware wep engine */
  96#define P80211_NSDCAP_SHORT_PREAMBLE        0x10  /* hardware supports */
  97#define P80211_NSDCAP_HWFRAGMENT            0x80  /* nsd handles frag/defrag */
  98#define P80211_NSDCAP_AUTOJOIN              0x100 /* nsd does autojoin */
  99#define P80211_NSDCAP_NOSCAN                0x200 /* nsd can scan */
 100
 101/* Received frame statistics */
 102struct p80211_frmrx {
 103        u32 mgmt;
 104        u32 assocreq;
 105        u32 assocresp;
 106        u32 reassocreq;
 107        u32 reassocresp;
 108        u32 probereq;
 109        u32 proberesp;
 110        u32 beacon;
 111        u32 atim;
 112        u32 disassoc;
 113        u32 authen;
 114        u32 deauthen;
 115        u32 mgmt_unknown;
 116        u32 ctl;
 117        u32 pspoll;
 118        u32 rts;
 119        u32 cts;
 120        u32 ack;
 121        u32 cfend;
 122        u32 cfendcfack;
 123        u32 ctl_unknown;
 124        u32 data;
 125        u32 dataonly;
 126        u32 data_cfack;
 127        u32 data_cfpoll;
 128        u32 data__cfack_cfpoll;
 129        u32 null;
 130        u32 cfack;
 131        u32 cfpoll;
 132        u32 cfack_cfpoll;
 133        u32 data_unknown;
 134        u32 decrypt;
 135        u32 decrypt_err;
 136};
 137
 138/* called by /proc/net/wireless */
 139struct iw_statistics *p80211wext_get_wireless_stats(struct net_device *dev);
 140/* wireless extensions' ioctls */
 141extern struct iw_handler_def p80211wext_handler_def;
 142
 143/* WEP stuff */
 144#define NUM_WEPKEYS 4
 145#define MAX_KEYLEN 32
 146
 147#define HOSTWEP_DEFAULTKEY_MASK GENMASK(1, 0)
 148#define HOSTWEP_SHAREDKEY BIT(3)
 149#define HOSTWEP_DECRYPT  BIT(4)
 150#define HOSTWEP_ENCRYPT  BIT(5)
 151#define HOSTWEP_PRIVACYINVOKED BIT(6)
 152#define HOSTWEP_EXCLUDEUNENCRYPTED BIT(7)
 153
 154extern int wlan_watchdog;
 155extern int wlan_wext_write;
 156
 157/* WLAN device type */
 158struct wlandevice {
 159        void *priv;             /* private data for MSD */
 160
 161        /* Subsystem State */
 162        char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev() */
 163        char *nsdname;
 164
 165        u32 state;              /* Device I/F state (open/closed) */
 166        u32 msdstate;           /* state of underlying driver */
 167        u32 hwremoved;          /* Has the hw been yanked out? */
 168
 169        /* Hardware config */
 170        unsigned int irq;
 171        unsigned int iobase;
 172        unsigned int membase;
 173        u32 nsdcaps;            /* NSD Capabilities flags */
 174
 175        /* Config vars */
 176        unsigned int ethconv;
 177
 178        /* device methods (init by MSD, used by p80211 */
 179        int (*open)(struct wlandevice *wlandev);
 180        int (*close)(struct wlandevice *wlandev);
 181        void (*reset)(struct wlandevice *wlandev);
 182        int (*txframe)(struct wlandevice *wlandev, struct sk_buff *skb,
 183                        union p80211_hdr *p80211_hdr,
 184                        struct p80211_metawep *p80211_wep);
 185        int (*mlmerequest)(struct wlandevice *wlandev, struct p80211msg *msg);
 186        int (*set_multicast_list)(struct wlandevice *wlandev,
 187                                   struct net_device *dev);
 188        void (*tx_timeout)(struct wlandevice *wlandev);
 189
 190        /* 802.11 State */
 191        u8 bssid[WLAN_BSSID_LEN];
 192        struct p80211pstr32 ssid;
 193        u32 macmode;
 194        int linkstatus;
 195
 196        /* WEP State */
 197        u8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
 198        u8 wep_keylens[NUM_WEPKEYS];
 199        int hostwep;
 200
 201        /* Request/Confirm i/f state (used by p80211) */
 202        unsigned long request_pending;  /* flag, access atomically */
 203
 204        /* netlink socket */
 205        /* queue for indications waiting for cmd completion */
 206        /* Linux netdevice and support */
 207        struct net_device *netdev;      /* ptr to linux netdevice */
 208
 209        /* Rx bottom half */
 210        struct tasklet_struct rx_bh;
 211
 212        struct sk_buff_head nsd_rxq;
 213
 214        /* 802.11 device statistics */
 215        struct p80211_frmrx rx;
 216
 217        struct iw_statistics wstats;
 218
 219        /* jkriegl: iwspy fields */
 220        u8 spy_number;
 221        char spy_address[IW_MAX_SPY][ETH_ALEN];
 222        struct iw_quality spy_stat[IW_MAX_SPY];
 223};
 224
 225/* WEP stuff */
 226int wep_change_key(struct wlandevice *wlandev, int keynum, u8 *key, int keylen);
 227int wep_decrypt(struct wlandevice *wlandev, u8 *buf, u32 len, int key_override,
 228                u8 *iv, u8 *icv);
 229int wep_encrypt(struct wlandevice *wlandev, u8 *buf, u8 *dst, u32 len,
 230                int keynum, u8 *iv, u8 *icv);
 231
 232int wlan_setup(struct wlandevice *wlandev, struct device *physdev);
 233void wlan_unsetup(struct wlandevice *wlandev);
 234int register_wlandev(struct wlandevice *wlandev);
 235int unregister_wlandev(struct wlandevice *wlandev);
 236void p80211netdev_rx(struct wlandevice *wlandev, struct sk_buff *skb);
 237void p80211netdev_hwremoved(struct wlandevice *wlandev);
 238#endif
 239