Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/net/if_ieee80211.h
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1 /* $NetBSD: if_ieee80211.h,v 1.5 2000/07/21 04:47:40 onoe Exp $ */ 2 /* $FreeBSD$ */ 3 4 #ifndef _NET_IF_IEEE80211_H_ 5 #define _NET_IF_IEEE80211_H_ 6 7 /* 8 * generic definitions for IEEE 802.11 frames 9 */ 10 struct ieee80211_frame { 11 u_int8_t i_fc[2]; 12 u_int8_t i_dur[2]; 13 u_int8_t i_addr1[ETHER_ADDR_LEN]; 14 u_int8_t i_addr2[ETHER_ADDR_LEN]; 15 u_int8_t i_addr3[ETHER_ADDR_LEN]; 16 u_int8_t i_seq[2]; 17 /* possibly followed by addr4[ETHER_ADDR_LEN]; */ 18 }; 19 20 #define IEEE80211_FC0_VERSION_MASK 0x03 21 #define IEEE80211_FC0_VERSION_0 0x00 22 #define IEEE80211_FC0_TYPE_MASK 0x0c 23 #define IEEE80211_FC0_TYPE_MGT 0x00 24 #define IEEE80211_FC0_TYPE_CTL 0x04 25 #define IEEE80211_FC0_TYPE_DATA 0x08 26 27 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 28 /* for TYPE_MGT */ 29 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 30 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 31 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 32 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 33 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 34 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 35 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 36 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 37 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 38 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 39 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 40 /* for TYPE_CTL */ 41 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 42 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 43 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 44 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 45 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 46 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 47 /* for TYPE_DATA (bit combination) */ 48 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 49 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 50 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 51 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 52 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 53 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 54 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 55 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 56 57 #define IEEE80211_FC1_DIR_MASK 0x03 58 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 59 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 60 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 61 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 62 63 #define IEEE80211_FC1_MORE_FRAG 0x04 64 #define IEEE80211_FC1_RETRY 0x08 65 #define IEEE80211_FC1_PWR_MGT 0x10 66 #define IEEE80211_FC1_MORE_DATA 0x20 67 #define IEEE80211_FC1_WEP 0x40 68 #define IEEE80211_FC1_ORDER 0x80 69 70 #define IEEE80211_NWID_LEN 32 71 72 /* 73 * BEACON management packets 74 * 75 * octect timestamp[8] 76 * octect beacon interval[2] 77 * octect capability information[2] 78 * information element 79 * octect elemid 80 * octect length 81 * octect information[length[ 82 */ 83 typedef u_int8_t * ieee80211_mgt_beacon_t; 84 85 #define IEEE80211_BEACON_INTERVAL(beacon) \ 86 (beacon[8] + (beacon[9] << 8)) 87 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 88 (beacon[10] + (beacon[11] << 8)) 89 90 #define IEEE80211_CAPINFO_ESS 0x01 91 #define IEEE80211_CAPINFO_IBSS 0x02 92 #define IEEE80211_CAPINFO_CF_POLLABLE 0x04 93 #define IEEE80211_CAPINFO_CF_POLLREQ 0x08 94 #define IEEE80211_CAPINFO_PRIVACY 0x10 95 #define IEEE80211_CAPINFO_BITS "\2\01ESS\02IBSS\03POLLABLE\04POLLREQ\5PRIVACY" 96 97 /* 98 * Management information elements 99 */ 100 struct ieee80211_information { 101 char ssid[IEEE80211_NWID_LEN+1]; 102 struct rates { 103 u_int8_t *p; 104 } rates; 105 struct fh { 106 u_int16_t dwell; 107 u_int8_t set; 108 u_int8_t pattern; 109 u_int8_t index; 110 } fh; 111 struct ds { 112 u_int8_t channel; 113 } ds; 114 struct cf { 115 u_int8_t count; 116 u_int8_t period; 117 u_int8_t maxdur[2]; 118 u_int8_t dur[2]; 119 } cf; 120 struct tim { 121 u_int8_t count; 122 u_int8_t period; 123 u_int8_t bitctl; 124 /* u_int8_t pvt[251]; The driver never needs to use this */ 125 } tim; 126 struct ibss { 127 u_int16_t atim; 128 } ibss; 129 struct challenge { 130 u_int8_t *p; 131 u_int8_t len; 132 } challenge; 133 }; 134 135 #define IEEE80211_ELEMID_SSID 0 136 #define IEEE80211_ELEMID_RATES 1 137 #define IEEE80211_ELEMID_FHPARMS 2 138 #define IEEE80211_ELEMID_DSPARMS 3 139 #define IEEE80211_ELEMID_CFPARMS 4 140 #define IEEE80211_ELEMID_TIM 5 141 #define IEEE80211_ELEMID_IBSSPARMS 6 142 #define IEEE80211_ELEMID_CHALLENGE 16 143 144 /* 145 * AUTH management packets 146 * 147 * octect algo[2] 148 * octect seq[2] 149 * octect status[2] 150 * octect chal.id 151 * octect chal.length 152 * octect chal.text[253] 153 */ 154 typedef u_int8_t * ieee80211_mgt_auth_t; 155 156 #define IEEE80211_AUTH_ALGORITHM(auth) \ 157 (auth[0] + (auth[1] << 8)) 158 #define IEEE80211_AUTH_TRANSACTION(auth) \ 159 (auth[2] + (auth[3] << 8)) 160 #define IEEE80211_AUTH_STATUS(auth) \ 161 (auth[4] + (auth[5] << 8)) 162 163 #define IEEE80211_AUTH_ALG_OPEN 0x0000 164 #define IEEE80211_AUTH_ALG_SHARED 0x0001 165 166 #define IEEE80211_AUTH_OPEN_REQUEST 1 167 #define IEEE80211_AUTH_OPEN_RESPONSE 2 168 169 #define IEEE80211_AUTH_SHARED_REQUEST 1 170 #define IEEE80211_AUTH_SHARED_CHALLENGE 2 171 #define IEEE80211_AUTH_SHARED_RESPONSE 3 172 #define IEEE80211_AUTH_SHARED_PASS 4 173 174 /* 175 * Reason codes 176 * 177 * Unlisted codes are reserved 178 */ 179 #define IEEE80211_REASON_UNSPECIFIED 1 180 #define IEEE80211_REASON_AUTH_EXPIRE 2 181 #define IEEE80211_REASON_AUTH_LEAVE 3 182 #define IEEE80211_REASON_ASSOC_EXPIRE 4 183 #define IEEE80211_REASON_ASSOC_TOOMANY 5 184 #define IEEE80211_REASON_NOT_AUTHED 6 185 #define IEEE80211_REASON_NOT_ASSOCED 7 186 #define IEEE80211_REASON_ASSOC_LEAVE 8 187 #define IEEE80211_REASON_ASSOC_NOT_AUTHED 9 188 189 /* 190 * Status code 191 * 192 * Unlisted codes are reserved 193 */ 194 #define IEEE80211_STATUS_SUCCESS 0x0000 195 #define IEEE80211_STATUS_UNSPECIFIED 1 196 #define IEEE80211_STATUS_CAPINFO 10 197 #define IEEE80211_STATUS_NOT_ASSOCED 11 198 #define IEEE80211_STATUS_OTHER 12 199 #define IEEE80211_STATUS_ALG 13 200 #define IEEE80211_STATUS_SEQUENCE 14 201 #define IEEE80211_STATUS_CHALLENGE 15 202 #define IEEE80211_STATUS_TIMEOUT 16 203 #define IEEE80211_STATUS_TOO_MANY_STATIONS 17 204 #define IEEE80211_STATUS_RATES 18 205 206 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 207 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 208 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 209 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 210 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 211 212 /* nwid is pointed at by ifr.ifr_data */ 213 struct ieee80211_nwid { 214 u_int8_t i_len; 215 u_int8_t i_nwid[IEEE80211_NWID_LEN]; 216 }; 217 218 #define SIOCS80211NWID _IOWR('i', 230, struct ifreq) 219 #define SIOCG80211NWID _IOWR('i', 231, struct ifreq) 220 221 /* the first member must be matched with struct ifreq */ 222 struct ieee80211_nwkey { 223 char i_name[IFNAMSIZ]; /* if_name, e.g. "wi0" */ 224 int i_wepon; /* wep enabled flag */ 225 int i_defkid; /* default encrypt key id */ 226 struct { 227 int i_keylen; 228 u_int8_t *i_keydat; 229 } i_key[IEEE80211_WEP_NKID]; 230 }; 231 #define SIOCS80211NWKEY _IOW('i', 232, struct ieee80211_nwkey) 232 #define SIOCG80211NWKEY _IOWR('i', 233, struct ieee80211_nwkey) 233 234 #define IEEE80211_WEP_NOSUP -1 235 #define IEEE80211_WEP_OFF 0 236 #define IEEE80211_WEP_ON 1 237 #define IEEE80211_WEP_MIXED 2 238 239 #define IEEE80211_AUTH_NONE 0 240 #define IEEE80211_AUTH_OPEN 1 241 #define IEEE80211_AUTH_SHARED 2 242 243 #define IEEE80211_POWERSAVE_NOSUP -1 244 #define IEEE80211_POWERSAVE_OFF 0 245 #define IEEE80211_POWERSAVE_CAM 1 246 #define IEEE80211_POWERSAVE_PSP 2 247 #define IEEE80211_POWERSAVE_PSP_CAM 3 248 #define IEEE80211_POWERSAVE_ON IEEE80211_POWERSAVE_CAM 249 250 /* the first member must be matched with struct ifreq */ 251 struct ieee80211req { 252 char i_name[IFNAMSIZ]; /* if_name, e.g. "wi0" */ 253 u_int16_t i_type; /* req type */ 254 int16_t i_val; /* Index or simple value */ 255 int16_t i_len; /* Index or simple value */ 256 void *i_data; /* Extra data */ 257 }; 258 #define SIOCS80211 _IOW('i', 234, struct ieee80211req) 259 #define SIOCG80211 _IOWR('i', 235, struct ieee80211req) 260 261 #define IEEE80211_IOC_SSID 1 262 #define IEEE80211_IOC_NUMSSIDS 2 263 #define IEEE80211_IOC_WEP 3 264 #define IEEE80211_IOC_WEPKEY 4 265 #define IEEE80211_IOC_NUMWEPKEYS 5 266 #define IEEE80211_IOC_WEPTXKEY 6 267 #define IEEE80211_IOC_AUTHMODE 7 268 #define IEEE80211_IOC_STATIONNAME 8 269 #define IEEE80211_IOC_CHANNEL 9 270 #define IEEE80211_IOC_POWERSAVE 10 271 #define IEEE80211_IOC_POWERSAVESLEEP 11 272 273 #endif /* !_NET_IF_IEEE80211_H_ */
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