_ieee80211.h revision 170360
1/*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2007 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/net80211/_ieee80211.h 170360 2007-06-06 04:56:04Z sam $ 27 */ 28#ifndef _NET80211__IEEE80211_H_ 29#define _NET80211__IEEE80211_H_ 30 31enum ieee80211_phytype { 32 IEEE80211_T_DS, /* direct sequence spread spectrum */ 33 IEEE80211_T_FH, /* frequency hopping */ 34 IEEE80211_T_OFDM, /* frequency division multiplexing */ 35 IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */ 36}; 37#define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ 38 39/* XXX not really a mode; there are really multiple PHY's */ 40enum ieee80211_phymode { 41 IEEE80211_MODE_AUTO = 0, /* autoselect */ 42 IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ 43 IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ 44 IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ 45 IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ 46 IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock */ 47 IEEE80211_MODE_TURBO_G = 6, /* 2GHz, OFDM, 2x clock */ 48}; 49#define IEEE80211_MODE_MAX (IEEE80211_MODE_TURBO_G+1) 50 51enum ieee80211_opmode { 52 IEEE80211_M_STA = 1, /* infrastructure station */ 53 IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ 54 IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ 55 IEEE80211_M_HOSTAP = 6, /* Software Access Point */ 56 IEEE80211_M_MONITOR = 8 /* Monitor mode */ 57}; 58#define IEEE80211_OPMODE_MAX (IEEE80211_M_MONITOR+1) 59 60/* 61 * 802.11g protection mode. 62 */ 63enum ieee80211_protmode { 64 IEEE80211_PROT_NONE = 0, /* no protection */ 65 IEEE80211_PROT_CTSONLY = 1, /* CTS to self */ 66 IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */ 67}; 68 69/* 70 * Authentication mode. 71 */ 72enum ieee80211_authmode { 73 IEEE80211_AUTH_NONE = 0, 74 IEEE80211_AUTH_OPEN = 1, /* open */ 75 IEEE80211_AUTH_SHARED = 2, /* shared-key */ 76 IEEE80211_AUTH_8021X = 3, /* 802.1x */ 77 IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */ 78 /* NB: these are used only for ioctls */ 79 IEEE80211_AUTH_WPA = 5, /* WPA/RSN w/ 802.1x/PSK */ 80}; 81 82/* 83 * Roaming mode is effectively who controls the operation 84 * of the 802.11 state machine when operating as a station. 85 * State transitions are controlled either by the driver 86 * (typically when management frames are processed by the 87 * hardware/firmware), the host (auto/normal operation of 88 * the 802.11 layer), or explicitly through ioctl requests 89 * when applications like wpa_supplicant want control. 90 */ 91enum ieee80211_roamingmode { 92 IEEE80211_ROAMING_DEVICE= 0, /* driver/hardware control */ 93 IEEE80211_ROAMING_AUTO = 1, /* 802.11 layer control */ 94 IEEE80211_ROAMING_MANUAL= 2, /* application control */ 95}; 96 97/* 98 * Channels are specified by frequency and attributes. 99 */ 100struct ieee80211_channel { 101 u_int16_t ic_freq; /* setting in Mhz */ 102 u_int16_t ic_flags; /* see below */ 103}; 104 105#define IEEE80211_CHAN_MAX 255 106#define IEEE80211_CHAN_BYTES 32 /* howmany(IEEE80211_CHAN_MAX, NBBY) */ 107#define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */ 108#define IEEE80211_CHAN_ANYC \ 109 ((struct ieee80211_channel *) IEEE80211_CHAN_ANY) 110 111/* bits 0-3 are for private use by drivers */ 112/* channel attributes */ 113#define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */ 114#define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */ 115#define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */ 116#define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */ 117#define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */ 118#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */ 119#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */ 120#define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */ 121#define IEEE80211_CHAN_GSM 0x1000 /* 900 MHz spectrum channel */ 122#define IEEE80211_CHAN_HALF 0x4000 /* Half rate channel */ 123#define IEEE80211_CHAN_QUARTER 0x8000 /* Quarter rate channel */ 124 125/* 126 * Useful combinations of channel characteristics. 127 */ 128#define IEEE80211_CHAN_FHSS \ 129 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK) 130#define IEEE80211_CHAN_A \ 131 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM) 132#define IEEE80211_CHAN_B \ 133 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK) 134#define IEEE80211_CHAN_PUREG \ 135 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM) 136#define IEEE80211_CHAN_G \ 137 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN) 138#define IEEE80211_CHAN_T \ 139 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO) 140#define IEEE80211_CHAN_108G \ 141 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO) 142 143#define IEEE80211_CHAN_ALL \ 144 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \ 145 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN) 146#define IEEE80211_CHAN_ALLTURBO \ 147 (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO) 148 149#define IEEE80211_IS_CHAN_FHSS(_c) \ 150 (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) 151#define IEEE80211_IS_CHAN_A(_c) \ 152 (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) 153#define IEEE80211_IS_CHAN_B(_c) \ 154 (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) 155#define IEEE80211_IS_CHAN_PUREG(_c) \ 156 (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) 157#define IEEE80211_IS_CHAN_G(_c) \ 158 (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) 159#define IEEE80211_IS_CHAN_ANYG(_c) \ 160 (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c)) 161#define IEEE80211_IS_CHAN_T(_c) \ 162 (((_c)->ic_flags & IEEE80211_CHAN_T) == IEEE80211_CHAN_T) 163#define IEEE80211_IS_CHAN_108G(_c) \ 164 (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G) 165 166#define IEEE80211_IS_CHAN_2GHZ(_c) \ 167 (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0) 168#define IEEE80211_IS_CHAN_5GHZ(_c) \ 169 (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0) 170#define IEEE80211_IS_CHAN_OFDM(_c) \ 171 (((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0) 172#define IEEE80211_IS_CHAN_CCK(_c) \ 173 (((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0) 174#define IEEE80211_IS_CHAN_GFSK(_c) \ 175 (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0) 176#define IEEE80211_IS_CHAN_HALF(_c) \ 177 (((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0) 178#define IEEE80211_IS_CHAN_QUARTER(_c) \ 179 (((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0) 180#define IEEE80211_IS_CHAN_FULL(_c) \ 181 (((_c)->ic_flags & (IEEE80211_CHAN_QUARTER | IEEE80211_CHAN_HALF)) == 0) 182#define IEEE80211_IS_CHAN_GSM(_c) \ 183 (((_c)->ic_flags & IEEE80211_CHAN_GSM) != 0) 184#define IEEE80211_IS_CHAN_PASSIVE(_c) \ 185 (((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0) 186 187/* ni_chan encoding for FH phy */ 188#define IEEE80211_FH_CHANMOD 80 189#define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat)) 190#define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1) 191#define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD) 192 193/* 194 * 802.11 rate set. 195 */ 196#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */ 197#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */ 198 199struct ieee80211_rateset { 200 u_int8_t rs_nrates; 201 u_int8_t rs_rates[IEEE80211_RATE_MAXSIZE]; 202}; 203 204#endif /* _NET80211__IEEE80211_H_ */ 205