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FreeBSD/Linux Kernel Cross Reference
sys/net80211/_ieee80211.h

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    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: src/sys/net80211/_ieee80211.h,v 1.3 2005/08/10 17:42:13 sam Exp $
   33  */
   34 #ifndef _NET80211__IEEE80211_H_
   35 #define _NET80211__IEEE80211_H_
   36 
   37 enum 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 */
   46 enum 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      ((int)IEEE80211_MODE_TURBO_G + 1)
   56 
   57 enum 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  */
   68 enum 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  */
   77 enum 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  */
   96 enum 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  */
  105 struct 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 *) 0x1)
  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 #define IEEE80211_IS_CHAN_PASSIVE(_c) \
  190         (((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0)
  191 
  192 
  193 /* ni_chan encoding for FH phy */
  194 #define IEEE80211_FH_CHANMOD    80
  195 #define IEEE80211_FH_CHAN(set,pat)      (((set)-1)*IEEE80211_FH_CHANMOD+(pat))
  196 #define IEEE80211_FH_CHANSET(chan)      ((chan)/IEEE80211_FH_CHANMOD+1)
  197 #define IEEE80211_FH_CHANPAT(chan)      ((chan)%IEEE80211_FH_CHANMOD)
  198 
  199 /*
  200  * 802.11 rate set.
  201  */
  202 #define IEEE80211_RATE_SIZE     8               /* 802.11 standard */
  203 #define IEEE80211_RATE_MAXSIZE  15              /* max rates we'll handle */
  204 
  205 struct ieee80211_rateset {
  206         u_int8_t                rs_nrates;
  207         u_int8_t                rs_rates[IEEE80211_RATE_MAXSIZE];
  208 };
  209 
  210 #endif /* !_NET80211__IEEE80211_H_ */

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