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 61 typedef 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 */ 104 typedef 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 */ 141 struct iw_statistics *p80211wext_get_wireless_stats(netdevice_t * dev); 142 /* wireless extensions' ioctls */ 143 extern struct iw_handler_def p80211wext_handler_def; 144 int 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) 156 157 extern int wlan_watchdog; 158 extern int wlan_wext_write; 159 160 /* WLAN device type */ 161 typedef 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 struct net_device_stats linux_stats; 213 214 /* Rx bottom half */ 215 struct tasklet_struct rx_bh; 216 217 struct sk_buff_head nsd_rxq; 218 219 /* 802.11 device statistics */ 220 struct p80211_frmrx_t rx; 221 222 struct iw_statistics wstats; 223 224 /* jkriegl: iwspy fields */ 225 u8 spy_number; 226 char spy_address[IW_MAX_SPY][ETH_ALEN]; 227 struct iw_quality spy_stat[IW_MAX_SPY]; 228 } wlandevice_t; 229 230 /* WEP stuff */ 231 int wep_change_key(wlandevice_t *wlandev, int keynum, u8 *key, int keylen); 232 int wep_decrypt(wlandevice_t *wlandev, u8 *buf, u32 len, int key_override, 233 u8 *iv, u8 *icv); 234 int wep_encrypt(wlandevice_t *wlandev, u8 *buf, u8 *dst, u32 len, int keynum, 235 u8 *iv, u8 *icv); 236 237 int wlan_setup(wlandevice_t *wlandev, struct device *physdev); 238 int wlan_unsetup(wlandevice_t *wlandev); 239 int register_wlandev(wlandevice_t *wlandev); 240 int unregister_wlandev(wlandevice_t *wlandev); 241 void p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb); 242 void p80211netdev_hwremoved(wlandevice_t *wlandev); 243 #endif 244