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madwifi/net80211/_ieee80211.h
mtaylor 278c57c4e7 Move channel non-occupancy limits out of ieee80211_channel structure to 
avoid hitting the size limitations of wireless extensions.  wext is a real pain.
Now the values are stored in ic_chan_non_occupy[] instead.


git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@3207 0192ed92-7a03-0410-a25b-9323aeb14dbd
2008-01-18 21:25:05 +00:00

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/*-
* 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_
enum ieee80211_phytype {
IEEE80211_T_DS, /* direct sequence spread spectrum */
IEEE80211_T_FH, /* frequency hopping */
IEEE80211_T_OFDM, /* frequency division multiplexing */
IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */
};
#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 0
#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_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_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_RADAR(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_RADAR) != 0)
#define IEEE80211_IS_CHAN_PASSIVE(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 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 rssi11b; /* for 11g sta in 11b bss */
int8_t rssi11bOnly; /* for 11b sta */
u_int8_t pad1;
u_int8_t rate11a; /* rate thresh for 11a bss */
u_int8_t rate11b; /* for 11g sta in 11b bss */
u_int8_t rate11bOnly; /* for 11b sta */
u_int8_t pad2;
};
#endif /* _NET80211__IEEE80211_H_ */
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