_ieee80211.h revision 166012
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: head/sys/net80211/_ieee80211.h 166012 2007-01-15 01:12:28Z sam $ 33 */ 34#ifndef _NET80211__IEEE80211_H_ 35#define _NET80211__IEEE80211_H_ 36 37enum 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 */ 46enum 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 57enum 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 */ 68enum 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 */ 77enum 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 */ 96enum 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 */ 105struct 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#define IEEE80211_CHAN_GSM 0x1000 /* 900 MHz spectrum channel */ 127#define IEEE80211_CHAN_HALF 0x4000 /* Half rate channel */ 128#define IEEE80211_CHAN_QUARTER 0x8000 /* Quarter rate channel */ 129 130/* 131 * Useful combinations of channel characteristics. 132 */ 133#define IEEE80211_CHAN_FHSS \ 134 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK) 135#define IEEE80211_CHAN_A \ 136 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM) 137#define IEEE80211_CHAN_B \ 138 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK) 139#define IEEE80211_CHAN_PUREG \ 140 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM) 141#define IEEE80211_CHAN_G \ 142 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN) 143#define IEEE80211_CHAN_T \ 144 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO) 145#define IEEE80211_CHAN_108G \ 146 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO) 147 148#define IEEE80211_CHAN_ALL \ 149 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \ 150 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN) 151#define IEEE80211_CHAN_ALLTURBO \ 152 (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO) 153 154#define IEEE80211_IS_CHAN_FHSS(_c) \ 155 (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) 156#define IEEE80211_IS_CHAN_A(_c) \ 157 (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) 158#define IEEE80211_IS_CHAN_B(_c) \ 159 (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) 160#define IEEE80211_IS_CHAN_PUREG(_c) \ 161 (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) 162#define IEEE80211_IS_CHAN_G(_c) \ 163 (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) 164#define IEEE80211_IS_CHAN_ANYG(_c) \ 165 (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c)) 166#define IEEE80211_IS_CHAN_T(_c) \ 167 (((_c)->ic_flags & IEEE80211_CHAN_T) == IEEE80211_CHAN_T) 168#define IEEE80211_IS_CHAN_108G(_c) \ 169 (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G) 170 171#define IEEE80211_IS_CHAN_2GHZ(_c) \ 172 (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0) 173#define IEEE80211_IS_CHAN_5GHZ(_c) \ 174 (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0) 175#define IEEE80211_IS_CHAN_OFDM(_c) \ 176 (((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0) 177#define IEEE80211_IS_CHAN_CCK(_c) \ 178 (((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0) 179#define IEEE80211_IS_CHAN_GFSK(_c) \ 180 (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0) 181#define IEEE80211_IS_CHAN_HALF(_c) \ 182 (((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0) 183#define IEEE80211_IS_CHAN_QUARTER(_c) \ 184 (((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0) 185#define IEEE80211_IS_CHAN_FULL(_c) \ 186 (((_c)->ic_flags & (IEEE80211_CHAN_QUARTER | IEEE80211_CHAN_HALF)) == 0) 187#define IEEE80211_IS_CHAN_GSM(_c) \ 188 (((_c)->ic_flags & IEEE80211_CHAN_GSM) != 0) 189 190/* ni_chan encoding for FH phy */ 191#define IEEE80211_FH_CHANMOD 80 192#define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat)) 193#define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1) 194#define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD) 195 196/* 197 * 802.11 rate set. 198 */ 199#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */ 200#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */ 201 202struct ieee80211_rateset { 203 u_int8_t rs_nrates; 204 u_int8_t rs_rates[IEEE80211_RATE_MAXSIZE]; 205}; 206 207#endif /* _NET80211__IEEE80211_H_ */ 208