/*- * Copyright (c) 2001 Atsushi Onoe * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $Id$ */ #ifndef _NET80211__IEEE80211_H_ #define _NET80211__IEEE80211_H_ /* Warning : ieee80211_phytype is used by the HAL in its ABI, so this * enumeration cannot be changed */ enum ieee80211_phytype { IEEE80211_T_DS = 0, /* direct sequence spread spectrum */ IEEE80211_T_FH = 1, /* frequency hopping */ IEEE80211_T_OFDM = 2, /* frequency division multiplexing */ IEEE80211_T_TURBO = 3, /* high rate OFDM, aka turbo mode */ IEEE80211_T_HT = 4, /* High Troughput (802.11n) */ IEEE80211_T_XR = 5, /* OFDM eXtended Range */ }; #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */ /* XXX: not really a mode; there are really multiple PHYs */ enum ieee80211_phymode { IEEE80211_MODE_AUTO = 0, /* autoselect */ IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */ IEEE80211_MODE_11B = 2, /* 2GHz, CCK */ IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */ IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */ IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock dynamic turbo */ IEEE80211_MODE_TURBO_G = 6, /* 2GHz, OFDM, 2x clock dynamic turbo*/ }; #define IEEE80211_MODE_MAX (IEEE80211_MODE_TURBO_G+1) enum ieee80211_opmode { IEEE80211_M_STA = 1, /* infrastructure station */ IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */ IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */ IEEE80211_M_HOSTAP = 6, /* Software Access Point */ IEEE80211_M_MONITOR = 8, /* Monitor mode */ IEEE80211_M_WDS = 2 /* WDS link */ }; /* * True if this mode will send beacon on a regular interval, like AP * or IBSS */ #define IEEE80211_IS_MODE_BEACON(_opmode) \ ((_opmode == IEEE80211_M_IBSS) || \ (_opmode == IEEE80211_M_HOSTAP)) /* * True if this mode must behave like a DFS master, ie do Channel * Check Availability and In Service Monitoring. We need to make sure * that all modes cannot send data without being authorized. Such * enforcement is not done in monitor mode however. */ #define IEEE80211_IS_MODE_DFS_MASTER(_opmode) \ ((_opmode == IEEE80211_M_IBSS) || \ (_opmode == IEEE80211_M_AHDEMO) || \ (_opmode == IEEE80211_M_HOSTAP) || \ (_opmode == IEEE80211_M_WDS)) /* * 802.11g protection mode. */ enum ieee80211_protmode { IEEE80211_PROT_NONE = 0, /* no protection */ IEEE80211_PROT_CTSONLY = 1, /* CTS to self */ IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */ }; /* * Authentication mode. */ enum ieee80211_authmode { IEEE80211_AUTH_NONE = 0, IEEE80211_AUTH_OPEN = 1, /* open */ IEEE80211_AUTH_SHARED = 2, /* shared-key */ IEEE80211_AUTH_8021X = 3, /* 802.1x */ IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */ /* NB: these are used only for ioctls */ IEEE80211_AUTH_WPA = 5, /* WPA/RSN w/ 802.1x/PSK */ }; /* * Roaming mode is effectively who controls the operation * of the 802.11 state machine when operating as a station. * State transitions are controlled either by the driver * (typically when management frames are processed by the * hardware/firmware), the host (auto/normal operation of * the 802.11 layer), or explicitly through ioctl requests * when applications like wpa_supplicant want control. */ enum ieee80211_roamingmode { IEEE80211_ROAMING_DEVICE= 0, /* driver/hardware control */ IEEE80211_ROAMING_AUTO = 1, /* 802.11 layer control */ IEEE80211_ROAMING_MANUAL= 2, /* application control */ }; /* * Scanning mode controls station scanning work; this is * used only when roaming mode permits the host to select * the bss to join/channel to use. */ enum ieee80211_scanmode { IEEE80211_SCAN_DEVICE = 0, /* driver/hardware control */ IEEE80211_SCAN_BEST = 1, /* 802.11 layer selects best */ IEEE80211_SCAN_FIRST = 2, /* take first suitable candidate */ }; /* * Channels are specified by frequency and attributes. */ struct ieee80211_channel { u_int16_t ic_freq; /* setting in MHz */ u_int16_t ic_flags; /* see below */ u_int8_t ic_ieee; /* IEEE channel number */ int8_t ic_maxregpower; /* maximum regulatory tx power in dBm */ int8_t ic_maxpower; /* maximum tx power in dBm */ int8_t ic_minpower; /* minimum tx power in dBm */ }; #define IEEE80211_CHAN_MAX 255 #define IEEE80211_CHAN_BYTES 32 /* howmany(IEEE80211_CHAN_MAX, NBBY) */ #define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */ #define IEEE80211_CHAN_ANYC ((struct ieee80211_channel *)IEEE80211_CHAN_ANY) #define IEEE80211_RADAR_CHANCHANGE_TBTT_COUNT 1 #define IEEE80211_DEFAULT_CHANCHANGE_TBTT_COUNT 3 #define IEEE80211_RADAR_TEST_MUTE_CHAN 36 /* Move to channel 36 for mute test */ /* bits 0-3 are for private use by drivers */ /* channel attributes */ #define IEEE80211_CHAN_INDOOR 0x0004 /* This channel can be used indoor */ #define IEEE80211_CHAN_OUTDOOR 0x0008 /* This channel can be used outdoor */ #define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */ #define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */ #define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */ #define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */ #define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */ #define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */ #define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */ #define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */ #define IEEE80211_CHAN_RADAR 0x1000 /* Radar found on channel */ #define IEEE80211_CHAN_STURBO 0x2000 /* 11a static turbo channel only */ #define IEEE80211_CHAN_HALF 0x4000 /* Half rate channel */ #define IEEE80211_CHAN_QUARTER 0x8000 /* Quarter rate channel */ /* * Useful combinations of channel characteristics. */ #define IEEE80211_CHAN_FHSS \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK) #define IEEE80211_CHAN_A \ (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM) #define IEEE80211_CHAN_B \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK) #define IEEE80211_CHAN_PUREG \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM) #define IEEE80211_CHAN_G \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN) #define IEEE80211_CHAN_108A \ (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO) #define IEEE80211_CHAN_108G \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO) #define IEEE80211_CHAN_ST \ (IEEE80211_CHAN_108A | IEEE80211_CHAN_STURBO) #define IEEE80211_CHAN_ALL \ (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \ IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN) #define IEEE80211_CHAN_ALLTURBO \ (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO) #define IEEE80211_IS_CHAN_INDOOR(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_INDOOR) != 0) #define IEEE80211_IS_CHAN_OUTDOOR(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_OUTDOOR) != 0) #define IEEE80211_IS_CHAN_FHSS(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS) #define IEEE80211_IS_CHAN_A(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A) #define IEEE80211_IS_CHAN_B(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B) #define IEEE80211_IS_CHAN_PUREG(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG) #define IEEE80211_IS_CHAN_G(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G) #define IEEE80211_IS_CHAN_ANYG(_c) \ (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c)) #define IEEE80211_IS_CHAN_ST(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST) #define IEEE80211_IS_CHAN_108A(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A) #define IEEE80211_IS_CHAN_108G(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G) #define IEEE80211_IS_CHAN_2GHZ(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0) #define IEEE80211_IS_CHAN_5GHZ(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0) #define IEEE80211_IS_CHAN_OFDM(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0) #define IEEE80211_IS_CHAN_CCK(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0) #define IEEE80211_IS_CHAN_GFSK(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0) #define IEEE80211_IS_CHAN_TURBO(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_TURBO) != 0) #define IEEE80211_IS_CHAN_STURBO(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_STURBO) != 0) #define IEEE80211_IS_CHAN_DTURBO(_c) \ (((_c)->ic_flags & \ (IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)) == IEEE80211_CHAN_TURBO) #define IEEE80211_IS_CHAN_HALF(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0) #define IEEE80211_IS_CHAN_QUARTER(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0) #define IEEE80211_IS_CHAN_PASSIVE(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0) #define IEEE80211_IS_CHAN_RADAR(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_RADAR) != 0) #define IEEE80211_ARE_CHANS_SAME_MODE(_a, _b) \ (((_a)->ic_flags & IEEE80211_CHAN_ALLTURBO) == ((_b)->ic_flags & IEEE80211_CHAN_ALLTURBO)) /* ni_chan encoding for FH phy */ #define IEEE80211_FH_CHANMOD 80 #define IEEE80211_FH_CHAN(set,pat) (((set) - 1) * IEEE80211_FH_CHANMOD + (pat)) #define IEEE80211_FH_CHANSET(chan) ((chan) / IEEE80211_FH_CHANMOD + 1) #define IEEE80211_FH_CHANPAT(chan) ((chan) % IEEE80211_FH_CHANMOD) /* * Spectrum Management (IEEE 802.11h-2003) */ /* algorithm for (re)association based on supported channels * (the one mentioned in 11.6.1 as out of scope of .11h) */ enum ieee80211_sc_algorithm { IEEE80211_SC_NONE, /* * Do not disallow anyone from associating. When needed, channel will * be switched to the most suitable channel, no matter client stations * support it or not. */ IEEE80211_SC_LOOSE, /* * Do not disallow anyone from associating. When needed, channel will * be switched to a suitable channel, which will be chosen taking * ni->ni_suppchans and ic->ic_sc_sldg under consideration. */ IEEE80211_SC_TIGHT, /* * Allow to associate if there are at least ic->ic_mincom channels * common to the associating station and all of the already associated * stations. If the number of new common channels is less than * required, consider disassociating some other STAs. Such a * disassociation will be performed if (and only if) the association we * are currently considering would be then possible and the count of * the resultant set of common channels (ic_chan_nodes[i] == * ic_cn_total) would increase by some amount. Whether the number of * the new channels that could be gained is enough to sacrifice a * number of STAs is determined by the ic->ic_slcg parameter. */ IEEE80211_SC_STRICT /* * Basically the same behavior as IEEE80211_SC_TIGHT, except that if a * station does not specify Supported Channels, then it is denied to * associate. */ }; /* * 802.11 rate set. */ #define IEEE80211_RATE_SIZE 8 /* 802.11 standard */ #define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */ #define IEEE80211_SANITISE_RATESIZE(_rsz) \ ((_rsz > IEEE80211_RATE_MAXSIZE) ? IEEE80211_RATE_MAXSIZE : _rsz) struct ieee80211_rateset { u_int8_t rs_nrates; u_int8_t rs_rates[IEEE80211_RATE_MAXSIZE]; }; struct ieee80211_roam { int8_t rssi11a; /* rssi thresh for 11a bss */ int8_t rssi11g; /* for 11g */ int8_t rssi11bOnly; /* for 11b sta */ u_int8_t rate11a; /* rate thresh for 11a bss */ u_int8_t rate11g; /* for 11g */ u_int8_t rate11bOnly; /* for 11b sta */ }; #endif /* _NET80211__IEEE80211_H_ */