_ieee80211.h revision 148941
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 148941 2005-08-10 17:42:13Z 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) */ 126 127/* 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_IS_CHAN_FHSS(_c) \ 146 (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) 147#define IEEE80211_IS_CHAN_A(_c) \ 148 (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) 149#define IEEE80211_IS_CHAN_B(_c) \ 150 (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) 151#define IEEE80211_IS_CHAN_PUREG(_c) \ 152 (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) 153#define IEEE80211_IS_CHAN_G(_c) \ 154 (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) 155#define IEEE80211_IS_CHAN_ANYG(_c) \ 156 (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c)) 157#define IEEE80211_IS_CHAN_T(_c) \ 158 (((_c)->ic_flags & IEEE80211_CHAN_T) == IEEE80211_CHAN_T) 159#define IEEE80211_IS_CHAN_108G(_c) \ 160 (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G) 161 162#define IEEE80211_IS_CHAN_2GHZ(_c) \ 163 (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0) 164#define IEEE80211_IS_CHAN_5GHZ(_c) \ 165 (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0) 166#define IEEE80211_IS_CHAN_OFDM(_c) \ 167 (((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0) 168#define IEEE80211_IS_CHAN_CCK(_c) \ 169 (((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0) 170#define IEEE80211_IS_CHAN_GFSK(_c) \ 171 (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0) 172 173/* ni_chan encoding for FH phy */ 174#define IEEE80211_FH_CHANMOD 80 175#define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat)) 176#define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1) 177#define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD) 178 179/* 180 * 802.11 rate set. 181 */ 182#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */ 183#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */ 184 185struct ieee80211_rateset { 186 u_int8_t rs_nrates; 187 u_int8_t rs_rates[IEEE80211_RATE_MAXSIZE]; 188}; 189 190#endif /* _NET80211__IEEE80211_H_ */ 191