1 /*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * Alternatively, this software may be distributed under the terms of the
18 * GNU General Public License ("GPL") version 2 as published by the Free
19 * Software Foundation.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 * $FreeBSD: releng/6.2/sys/net80211/_ieee80211.h 160224 2006-07-10 00:47:49Z sam $
33 */
34 #ifndef _NET80211__IEEE80211_H_
35 #define _NET80211__IEEE80211_H_
36
37 enum ieee80211_phytype {
38 IEEE80211_T_DS, /* direct sequence spread spectrum */
39 IEEE80211_T_FH, /* frequency hopping */
40 IEEE80211_T_OFDM, /* frequency division multiplexing */
41 IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */
42 };
43 #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */
44
45 /* XXX not really a mode; there are really multiple PHY's */
46 enum ieee80211_phymode {
47 IEEE80211_MODE_AUTO = 0, /* autoselect */
48 IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */
49 IEEE80211_MODE_11B = 2, /* 2GHz, CCK */
50 IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */
51 IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */
52 IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock */
53 IEEE80211_MODE_TURBO_G = 6, /* 2GHz, OFDM, 2x clock */
54 };
55 #define IEEE80211_MODE_MAX (IEEE80211_MODE_TURBO_G+1)
56
57 enum ieee80211_opmode {
58 IEEE80211_M_STA = 1, /* infrastructure station */
59 IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */
60 IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */
61 IEEE80211_M_HOSTAP = 6, /* Software Access Point */
62 IEEE80211_M_MONITOR = 8 /* Monitor mode */
63 };
64
65 /*
66 * 802.11g protection mode.
67 */
68 enum ieee80211_protmode {
69 IEEE80211_PROT_NONE = 0, /* no protection */
70 IEEE80211_PROT_CTSONLY = 1, /* CTS to self */
71 IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */
72 };
73
74 /*
75 * Authentication mode.
76 */
77 enum ieee80211_authmode {
78 IEEE80211_AUTH_NONE = 0,
79 IEEE80211_AUTH_OPEN = 1, /* open */
80 IEEE80211_AUTH_SHARED = 2, /* shared-key */
81 IEEE80211_AUTH_8021X = 3, /* 802.1x */
82 IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */
83 /* NB: these are used only for ioctls */
84 IEEE80211_AUTH_WPA = 5, /* WPA/RSN w/ 802.1x/PSK */
85 };
86
87 /*
88 * Roaming mode is effectively who controls the operation
89 * of the 802.11 state machine when operating as a station.
90 * State transitions are controlled either by the driver
91 * (typically when management frames are processed by the
92 * hardware/firmware), the host (auto/normal operation of
93 * the 802.11 layer), or explicitly through ioctl requests
94 * when applications like wpa_supplicant want control.
95 */
96 enum ieee80211_roamingmode {
97 IEEE80211_ROAMING_DEVICE= 0, /* driver/hardware control */
98 IEEE80211_ROAMING_AUTO = 1, /* 802.11 layer control */
99 IEEE80211_ROAMING_MANUAL= 2, /* application control */
100 };
101
102 /*
103 * Channels are specified by frequency and attributes.
104 */
105 struct ieee80211_channel {
106 u_int16_t ic_freq; /* setting in Mhz */
107 u_int16_t ic_flags; /* see below */
108 };
109
110 #define IEEE80211_CHAN_MAX 255
111 #define IEEE80211_CHAN_BYTES 32 /* howmany(IEEE80211_CHAN_MAX, NBBY) */
112 #define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */
113 #define IEEE80211_CHAN_ANYC \
114 ((struct ieee80211_channel *) IEEE80211_CHAN_ANY)
115
116 /* bits 0-3 are for private use by drivers */
117 /* channel attributes */
118 #define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */
119 #define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */
120 #define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */
121 #define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */
122 #define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */
123 #define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */
124 #define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */
125 #define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */
126
127 /*
128 * Useful combinations of channel characteristics.
129 */
130 #define IEEE80211_CHAN_FHSS \
131 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK)
132 #define IEEE80211_CHAN_A \
133 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
134 #define IEEE80211_CHAN_B \
135 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
136 #define IEEE80211_CHAN_PUREG \
137 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
138 #define IEEE80211_CHAN_G \
139 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
140 #define IEEE80211_CHAN_T \
141 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
142 #define IEEE80211_CHAN_108G \
143 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
144
145 #define IEEE80211_CHAN_ALL \
146 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \
147 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN)
148 #define IEEE80211_CHAN_ALLTURBO \
149 (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO)
150
151 #define IEEE80211_IS_CHAN_FHSS(_c) \
152 (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS)
153 #define IEEE80211_IS_CHAN_A(_c) \
154 (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
155 #define IEEE80211_IS_CHAN_B(_c) \
156 (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
157 #define IEEE80211_IS_CHAN_PUREG(_c) \
158 (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
159 #define IEEE80211_IS_CHAN_G(_c) \
160 (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
161 #define IEEE80211_IS_CHAN_ANYG(_c) \
162 (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c))
163 #define IEEE80211_IS_CHAN_T(_c) \
164 (((_c)->ic_flags & IEEE80211_CHAN_T) == IEEE80211_CHAN_T)
165 #define IEEE80211_IS_CHAN_108G(_c) \
166 (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G)
167
168 #define IEEE80211_IS_CHAN_2GHZ(_c) \
169 (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
170 #define IEEE80211_IS_CHAN_5GHZ(_c) \
171 (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
172 #define IEEE80211_IS_CHAN_OFDM(_c) \
173 (((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0)
174 #define IEEE80211_IS_CHAN_CCK(_c) \
175 (((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0)
176 #define IEEE80211_IS_CHAN_GFSK(_c) \
177 (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0)
178
179 /* ni_chan encoding for FH phy */
180 #define IEEE80211_FH_CHANMOD 80
181 #define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat))
182 #define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1)
183 #define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD)
184
185 /*
186 * 802.11 rate set.
187 */
188 #define IEEE80211_RATE_SIZE 8 /* 802.11 standard */
189 #define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */
190
191 struct ieee80211_rateset {
192 u_int8_t rs_nrates;
193 u_int8_t rs_rates[IEEE80211_RATE_MAXSIZE];
194 };
195
196 #endif /* _NET80211__IEEE80211_H_ */
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