1 /* SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1) */ 2 /* 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); 140 141 /* WEP stuff */ 142 #define NUM_WEPKEYS 4 143 #define MAX_KEYLEN 32 144 145 #define HOSTWEP_DEFAULTKEY_MASK GENMASK(1, 0) 146 #define HOSTWEP_SHAREDKEY BIT(3) 147 #define HOSTWEP_DECRYPT BIT(4) 148 #define HOSTWEP_ENCRYPT BIT(5) 149 #define HOSTWEP_PRIVACYINVOKED BIT(6) 150 #define HOSTWEP_EXCLUDEUNENCRYPTED BIT(7) 151 152 extern int wlan_watchdog; 153 extern int wlan_wext_write; 154 155 /* WLAN device type */ 156 struct wlandevice { 157 void *priv; /* private data for MSD */ 158 159 /* Subsystem State */ 160 char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev() */ 161 char *nsdname; 162 163 u32 state; /* Device I/F state (open/closed) */ 164 u32 msdstate; /* state of underlying driver */ 165 u32 hwremoved; /* Has the hw been yanked out? */ 166 167 /* Hardware config */ 168 unsigned int irq; 169 unsigned int iobase; 170 unsigned int membase; 171 u32 nsdcaps; /* NSD Capabilities flags */ 172 173 /* Config vars */ 174 unsigned int ethconv; 175 176 /* device methods (init by MSD, used by p80211 */ 177 int (*open)(struct wlandevice *wlandev); 178 int (*close)(struct wlandevice *wlandev); 179 void (*reset)(struct wlandevice *wlandev); 180 int (*txframe)(struct wlandevice *wlandev, struct sk_buff *skb, 181 struct p80211_hdr *p80211_hdr, 182 struct p80211_metawep *p80211_wep); 183 int (*mlmerequest)(struct wlandevice *wlandev, struct p80211msg *msg); 184 int (*set_multicast_list)(struct wlandevice *wlandev, 185 struct net_device *dev); 186 void (*tx_timeout)(struct wlandevice *wlandev); 187 188 /* 802.11 State */ 189 u8 bssid[WLAN_BSSID_LEN]; 190 struct p80211pstr32 ssid; 191 u32 macmode; 192 int linkstatus; 193 194 /* WEP State */ 195 u8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN]; 196 u8 wep_keylens[NUM_WEPKEYS]; 197 int hostwep; 198 199 /* Request/Confirm i/f state (used by p80211) */ 200 unsigned long request_pending; /* flag, access atomically */ 201 202 /* netlink socket */ 203 /* queue for indications waiting for cmd completion */ 204 /* Linux netdevice and support */ 205 struct net_device *netdev; /* ptr to linux netdevice */ 206 207 /* Rx bottom half */ 208 struct tasklet_struct rx_bh; 209 210 struct sk_buff_head nsd_rxq; 211 212 /* 802.11 device statistics */ 213 struct p80211_frmrx rx; 214 215 struct iw_statistics wstats; 216 217 /* jkriegl: iwspy fields */ 218 u8 spy_number; 219 char spy_address[IW_MAX_SPY][ETH_ALEN]; 220 struct iw_quality spy_stat[IW_MAX_SPY]; 221 }; 222 223 /* WEP stuff */ 224 int wep_change_key(struct wlandevice *wlandev, int keynum, u8 *key, int keylen); 225 int wep_decrypt(struct wlandevice *wlandev, u8 *buf, u32 len, int key_override, 226 u8 *iv, u8 *icv); 227 int wep_encrypt(struct wlandevice *wlandev, u8 *buf, u8 *dst, u32 len, 228 int keynum, u8 *iv, u8 *icv); 229 230 int wlan_setup(struct wlandevice *wlandev, struct device *physdev); 231 void wlan_unsetup(struct wlandevice *wlandev); 232 int register_wlandev(struct wlandevice *wlandev); 233 int unregister_wlandev(struct wlandevice *wlandev); 234 void p80211netdev_rx(struct wlandevice *wlandev, struct sk_buff *skb); 235 void p80211netdev_hwremoved(struct wlandevice *wlandev); 236 #endif 237