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 */
 102 struct 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 */
 139 struct iw_statistics *p80211wext_get_wireless_stats(struct net_device *dev);
 140 /* wireless extensions' ioctls */
 141 extern 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
 154 extern int wlan_watchdog;
 155 extern int wlan_wext_write;
 156
 157 /* WLAN device type */
 158 struct 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 */
 226 int wep_change_key(struct wlandevice *wlandev, int keynum, u8 *key, int keylen);
 227 int wep_decrypt(struct wlandevice *wlandev, u8 *buf, u32 len, int key_override,
 228                 u8 *iv, u8 *icv);
 229 int wep_encrypt(struct wlandevice *wlandev, u8 *buf, u8 *dst, u32 len,
 230                 int keynum, u8 *iv, u8 *icv);
 231
 232 int wlan_setup(struct wlandevice *wlandev, struct device *physdev);
 233 void wlan_unsetup(struct wlandevice *wlandev);
 234 int register_wlandev(struct wlandevice *wlandev);
 235 int unregister_wlandev(struct wlandevice *wlandev);
 236 void p80211netdev_rx(struct wlandevice *wlandev, struct sk_buff *skb);
 237 void p80211netdev_hwremoved(struct wlandevice *wlandev);
 238 #endif