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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