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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) 2002-2008 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: releng/8.2/sys/net80211/_ieee80211.h 199583 2009-11-20 15:27:52Z jhb $
   27  */
   28 #ifndef _NET80211__IEEE80211_H_
   29 #define _NET80211__IEEE80211_H_
   30 
   31 /*
   32  * 802.11 implementation definitions.
   33  *
   34  * NB: this file is used by applications.
   35  */
   36 
   37 /*
   38  * PHY type; mostly used to identify FH phys.
   39  */
   40 enum ieee80211_phytype {
   41         IEEE80211_T_DS,                 /* direct sequence spread spectrum */
   42         IEEE80211_T_FH,                 /* frequency hopping */
   43         IEEE80211_T_OFDM,               /* frequency division multiplexing */
   44         IEEE80211_T_TURBO,              /* high rate OFDM, aka turbo mode */
   45         IEEE80211_T_HT,                 /* high throughput */
   46         IEEE80211_T_OFDM_HALF,          /* 1/2 rate OFDM */
   47         IEEE80211_T_OFDM_QUARTER,       /* 1/4 rate OFDM */
   48 };
   49 #define IEEE80211_T_CCK IEEE80211_T_DS  /* more common nomenclature */
   50 
   51 /*
   52  * PHY mode; this is not really a mode as multi-mode devices
   53  * have multiple PHY's.  Mode is mostly used as a shorthand
   54  * for constraining which channels to consider in setting up
   55  * operation.  Modes used to be used more extensively when
   56  * channels were identified as IEEE channel numbers.
   57  */
   58 enum ieee80211_phymode {
   59         IEEE80211_MODE_AUTO     = 0,    /* autoselect */
   60         IEEE80211_MODE_11A      = 1,    /* 5GHz, OFDM */
   61         IEEE80211_MODE_11B      = 2,    /* 2GHz, CCK */
   62         IEEE80211_MODE_11G      = 3,    /* 2GHz, OFDM */
   63         IEEE80211_MODE_FH       = 4,    /* 2GHz, GFSK */
   64         IEEE80211_MODE_TURBO_A  = 5,    /* 5GHz, OFDM, 2x clock */
   65         IEEE80211_MODE_TURBO_G  = 6,    /* 2GHz, OFDM, 2x clock */
   66         IEEE80211_MODE_STURBO_A = 7,    /* 5GHz, OFDM, 2x clock, static */
   67         IEEE80211_MODE_11NA     = 8,    /* 5GHz, w/ HT */
   68         IEEE80211_MODE_11NG     = 9,    /* 2GHz, w/ HT */
   69         IEEE80211_MODE_HALF     = 10,   /* OFDM, 1/2x clock */
   70         IEEE80211_MODE_QUARTER  = 11,   /* OFDM, 1/4x clock */
   71 };
   72 #define IEEE80211_MODE_MAX      (IEEE80211_MODE_QUARTER+1)
   73 
   74 /*
   75  * Operating mode.  Devices do not necessarily support
   76  * all modes; they indicate which are supported in their
   77  * capabilities.
   78  */
   79 enum ieee80211_opmode {
   80         IEEE80211_M_IBSS        = 0,    /* IBSS (adhoc) station */
   81         IEEE80211_M_STA         = 1,    /* infrastructure station */
   82         IEEE80211_M_WDS         = 2,    /* WDS link */
   83         IEEE80211_M_AHDEMO      = 3,    /* Old lucent compatible adhoc demo */
   84         IEEE80211_M_HOSTAP      = 4,    /* Software Access Point */
   85         IEEE80211_M_MONITOR     = 5,    /* Monitor mode */
   86         IEEE80211_M_MBSS        = 6,    /* MBSS (Mesh Point) link */
   87 };
   88 #define IEEE80211_OPMODE_MAX    (IEEE80211_M_MBSS+1)
   89 
   90 /*
   91  * 802.11g/802.11n protection mode.
   92  */
   93 enum ieee80211_protmode {
   94         IEEE80211_PROT_NONE     = 0,    /* no protection */
   95         IEEE80211_PROT_CTSONLY  = 1,    /* CTS to self */
   96         IEEE80211_PROT_RTSCTS   = 2,    /* RTS-CTS */
   97 };
   98 
   99 /*
  100  * Authentication mode.  The open and shared key authentication
  101  * modes are implemented within the 802.11 layer.  802.1x and
  102  * WPA/802.11i are implemented in user mode by setting the
  103  * 802.11 layer into IEEE80211_AUTH_8021X and deferring
  104  * authentication to user space programs.
  105  */
  106 enum ieee80211_authmode {
  107         IEEE80211_AUTH_NONE     = 0,
  108         IEEE80211_AUTH_OPEN     = 1,            /* open */
  109         IEEE80211_AUTH_SHARED   = 2,            /* shared-key */
  110         IEEE80211_AUTH_8021X    = 3,            /* 802.1x */
  111         IEEE80211_AUTH_AUTO     = 4,            /* auto-select/accept */
  112         /* NB: these are used only for ioctls */
  113         IEEE80211_AUTH_WPA      = 5,            /* WPA/RSN w/ 802.1x/PSK */
  114 };
  115 
  116 /*
  117  * Roaming mode is effectively who controls the operation
  118  * of the 802.11 state machine when operating as a station.
  119  * State transitions are controlled either by the driver
  120  * (typically when management frames are processed by the
  121  * hardware/firmware), the host (auto/normal operation of
  122  * the 802.11 layer), or explicitly through ioctl requests
  123  * when applications like wpa_supplicant want control.
  124  */
  125 enum ieee80211_roamingmode {
  126         IEEE80211_ROAMING_DEVICE= 0,    /* driver/hardware control */
  127         IEEE80211_ROAMING_AUTO  = 1,    /* 802.11 layer control */
  128         IEEE80211_ROAMING_MANUAL= 2,    /* application control */
  129 };
  130 
  131 /*
  132  * Channels are specified by frequency and attributes.
  133  */
  134 struct ieee80211_channel {
  135         uint32_t        ic_flags;       /* see below */
  136         uint16_t        ic_freq;        /* setting in Mhz */
  137         uint8_t         ic_ieee;        /* IEEE channel number */
  138         int8_t          ic_maxregpower; /* maximum regulatory tx power in dBm */
  139         int8_t          ic_maxpower;    /* maximum tx power in .5 dBm */
  140         int8_t          ic_minpower;    /* minimum tx power in .5 dBm */
  141         uint8_t         ic_state;       /* dynamic state */
  142         uint8_t         ic_extieee;     /* HT40 extension channel number */
  143         int8_t          ic_maxantgain;  /* maximum antenna gain in .5 dBm */
  144         uint8_t         ic_pad;
  145         uint16_t        ic_devdata;     /* opaque device/driver data */
  146 };
  147 
  148 #define IEEE80211_CHAN_MAX      256
  149 #define IEEE80211_CHAN_BYTES    32      /* howmany(IEEE80211_CHAN_MAX, NBBY) */
  150 #define IEEE80211_CHAN_ANY      0xffff  /* token for ``any channel'' */
  151 #define IEEE80211_CHAN_ANYC \
  152         ((struct ieee80211_channel *) IEEE80211_CHAN_ANY)
  153 
  154 /* channel attributes */
  155 #define IEEE80211_CHAN_PRIV0    0x00000001 /* driver private bit 0 */
  156 #define IEEE80211_CHAN_PRIV1    0x00000002 /* driver private bit 1 */
  157 #define IEEE80211_CHAN_PRIV2    0x00000004 /* driver private bit 2 */
  158 #define IEEE80211_CHAN_PRIV3    0x00000008 /* driver private bit 3 */
  159 #define IEEE80211_CHAN_TURBO    0x00000010 /* Turbo channel */
  160 #define IEEE80211_CHAN_CCK      0x00000020 /* CCK channel */
  161 #define IEEE80211_CHAN_OFDM     0x00000040 /* OFDM channel */
  162 #define IEEE80211_CHAN_2GHZ     0x00000080 /* 2 GHz spectrum channel. */
  163 #define IEEE80211_CHAN_5GHZ     0x00000100 /* 5 GHz spectrum channel */
  164 #define IEEE80211_CHAN_PASSIVE  0x00000200 /* Only passive scan allowed */
  165 #define IEEE80211_CHAN_DYN      0x00000400 /* Dynamic CCK-OFDM channel */
  166 #define IEEE80211_CHAN_GFSK     0x00000800 /* GFSK channel (FHSS PHY) */
  167 #define IEEE80211_CHAN_GSM      0x00001000 /* 900 MHz spectrum channel */
  168 #define IEEE80211_CHAN_STURBO   0x00002000 /* 11a static turbo channel only */
  169 #define IEEE80211_CHAN_HALF     0x00004000 /* Half rate channel */
  170 #define IEEE80211_CHAN_QUARTER  0x00008000 /* Quarter rate channel */
  171 #define IEEE80211_CHAN_HT20     0x00010000 /* HT 20 channel */
  172 #define IEEE80211_CHAN_HT40U    0x00020000 /* HT 40 channel w/ ext above */
  173 #define IEEE80211_CHAN_HT40D    0x00040000 /* HT 40 channel w/ ext below */
  174 #define IEEE80211_CHAN_DFS      0x00080000 /* DFS required */
  175 #define IEEE80211_CHAN_4MSXMIT  0x00100000 /* 4ms limit on frame length */
  176 #define IEEE80211_CHAN_NOADHOC  0x00200000 /* adhoc mode not allowed */
  177 #define IEEE80211_CHAN_NOHOSTAP 0x00400000 /* hostap mode not allowed */
  178 #define IEEE80211_CHAN_11D      0x00800000 /* 802.11d required */
  179 
  180 #define IEEE80211_CHAN_HT40     (IEEE80211_CHAN_HT40U | IEEE80211_CHAN_HT40D)
  181 #define IEEE80211_CHAN_HT       (IEEE80211_CHAN_HT20 | IEEE80211_CHAN_HT40)
  182 
  183 #define IEEE80211_CHAN_BITS \
  184         "\2\1PRIV0\2PRIV2\3PRIV3\4PRIV4\5TURBO\6CCK\7OFDM\0102GHZ\0115GHZ" \
  185         "\12PASSIVE\13DYN\14GFSK\15GSM\16STURBO\17HALF\20QUARTER\21HT20" \
  186         "\22HT40U\23HT40D\24DFS\0254MSXMIT\26NOADHOC\27NOHOSTAP\03011D"
  187 
  188 /*
  189  * Useful combinations of channel characteristics.
  190  */
  191 #define IEEE80211_CHAN_FHSS \
  192         (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK)
  193 #define IEEE80211_CHAN_A \
  194         (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
  195 #define IEEE80211_CHAN_B \
  196         (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
  197 #define IEEE80211_CHAN_PUREG \
  198         (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
  199 #define IEEE80211_CHAN_G \
  200         (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
  201 #define IEEE80211_CHAN_108A \
  202         (IEEE80211_CHAN_A | IEEE80211_CHAN_TURBO)
  203 #define IEEE80211_CHAN_108G \
  204         (IEEE80211_CHAN_PUREG | IEEE80211_CHAN_TURBO)
  205 #define IEEE80211_CHAN_ST \
  206         (IEEE80211_CHAN_108A | IEEE80211_CHAN_STURBO)
  207 
  208 #define IEEE80211_CHAN_ALL \
  209         (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \
  210          IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | \
  211          IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER | \
  212          IEEE80211_CHAN_HT)
  213 #define IEEE80211_CHAN_ALLTURBO \
  214         (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)
  215 
  216 #define IEEE80211_IS_CHAN_FHSS(_c) \
  217         (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS)
  218 #define IEEE80211_IS_CHAN_A(_c) \
  219         (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
  220 #define IEEE80211_IS_CHAN_B(_c) \
  221         (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
  222 #define IEEE80211_IS_CHAN_PUREG(_c) \
  223         (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
  224 #define IEEE80211_IS_CHAN_G(_c) \
  225         (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
  226 #define IEEE80211_IS_CHAN_ANYG(_c) \
  227         (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c))
  228 #define IEEE80211_IS_CHAN_ST(_c) \
  229         (((_c)->ic_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST)
  230 #define IEEE80211_IS_CHAN_108A(_c) \
  231         (((_c)->ic_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A)
  232 #define IEEE80211_IS_CHAN_108G(_c) \
  233         (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G)
  234 
  235 #define IEEE80211_IS_CHAN_2GHZ(_c) \
  236         (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
  237 #define IEEE80211_IS_CHAN_5GHZ(_c) \
  238         (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
  239 #define IEEE80211_IS_CHAN_PASSIVE(_c) \
  240         (((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0)
  241 #define IEEE80211_IS_CHAN_OFDM(_c) \
  242         (((_c)->ic_flags & (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN)) != 0)
  243 #define IEEE80211_IS_CHAN_CCK(_c) \
  244         (((_c)->ic_flags & (IEEE80211_CHAN_CCK | IEEE80211_CHAN_DYN)) != 0)
  245 #define IEEE80211_IS_CHAN_GFSK(_c) \
  246         (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0)
  247 #define IEEE80211_IS_CHAN_TURBO(_c) \
  248         (((_c)->ic_flags & IEEE80211_CHAN_TURBO) != 0)
  249 #define IEEE80211_IS_CHAN_STURBO(_c) \
  250         (((_c)->ic_flags & IEEE80211_CHAN_STURBO) != 0)
  251 #define IEEE80211_IS_CHAN_DTURBO(_c) \
  252         (((_c)->ic_flags & \
  253         (IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)) == IEEE80211_CHAN_TURBO)
  254 #define IEEE80211_IS_CHAN_HALF(_c) \
  255         (((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0)
  256 #define IEEE80211_IS_CHAN_QUARTER(_c) \
  257         (((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0)
  258 #define IEEE80211_IS_CHAN_FULL(_c) \
  259         (((_c)->ic_flags & (IEEE80211_CHAN_QUARTER | IEEE80211_CHAN_HALF)) == 0)
  260 #define IEEE80211_IS_CHAN_GSM(_c) \
  261         (((_c)->ic_flags & IEEE80211_CHAN_GSM) != 0)
  262 #define IEEE80211_IS_CHAN_HT(_c) \
  263         (((_c)->ic_flags & IEEE80211_CHAN_HT) != 0)
  264 #define IEEE80211_IS_CHAN_HT20(_c) \
  265         (((_c)->ic_flags & IEEE80211_CHAN_HT20) != 0)
  266 #define IEEE80211_IS_CHAN_HT40(_c) \
  267         (((_c)->ic_flags & IEEE80211_CHAN_HT40) != 0)
  268 #define IEEE80211_IS_CHAN_HT40U(_c) \
  269         (((_c)->ic_flags & IEEE80211_CHAN_HT40U) != 0)
  270 #define IEEE80211_IS_CHAN_HT40D(_c) \
  271         (((_c)->ic_flags & IEEE80211_CHAN_HT40D) != 0)
  272 #define IEEE80211_IS_CHAN_HTA(_c) \
  273         (IEEE80211_IS_CHAN_5GHZ(_c) && \
  274          ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0)
  275 #define IEEE80211_IS_CHAN_HTG(_c) \
  276         (IEEE80211_IS_CHAN_2GHZ(_c) && \
  277          ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0)
  278 #define IEEE80211_IS_CHAN_DFS(_c) \
  279         (((_c)->ic_flags & IEEE80211_CHAN_DFS) != 0)
  280 #define IEEE80211_IS_CHAN_NOADHOC(_c) \
  281         (((_c)->ic_flags & IEEE80211_CHAN_NOADHOC) != 0)
  282 #define IEEE80211_IS_CHAN_NOHOSTAP(_c) \
  283         (((_c)->ic_flags & IEEE80211_CHAN_NOHOSTAP) != 0)
  284 #define IEEE80211_IS_CHAN_11D(_c) \
  285         (((_c)->ic_flags & IEEE80211_CHAN_11D) != 0)
  286 
  287 #define IEEE80211_CHAN2IEEE(_c)         (_c)->ic_ieee
  288 
  289 /* dynamic state */
  290 #define IEEE80211_CHANSTATE_RADAR       0x01    /* radar detected */
  291 #define IEEE80211_CHANSTATE_CACDONE     0x02    /* CAC completed */
  292 #define IEEE80211_CHANSTATE_CWINT       0x04    /* interference detected */
  293 #define IEEE80211_CHANSTATE_NORADAR     0x10    /* post notify on radar clear */
  294 
  295 #define IEEE80211_IS_CHAN_RADAR(_c) \
  296         (((_c)->ic_state & IEEE80211_CHANSTATE_RADAR) != 0)
  297 #define IEEE80211_IS_CHAN_CACDONE(_c) \
  298         (((_c)->ic_state & IEEE80211_CHANSTATE_CACDONE) != 0)
  299 #define IEEE80211_IS_CHAN_CWINT(_c) \
  300         (((_c)->ic_state & IEEE80211_CHANSTATE_CWINT) != 0)
  301 
  302 /* ni_chan encoding for FH phy */
  303 #define IEEE80211_FH_CHANMOD    80
  304 #define IEEE80211_FH_CHAN(set,pat)      (((set)-1)*IEEE80211_FH_CHANMOD+(pat))
  305 #define IEEE80211_FH_CHANSET(chan)      ((chan)/IEEE80211_FH_CHANMOD+1)
  306 #define IEEE80211_FH_CHANPAT(chan)      ((chan)%IEEE80211_FH_CHANMOD)
  307 
  308 #define IEEE80211_TID_SIZE      (WME_NUM_TID+1) /* WME TID's +1 for non-QoS */
  309 #define IEEE80211_NONQOS_TID    WME_NUM_TID     /* index for non-QoS sta */
  310 
  311 /*
  312  * The 802.11 spec says at most 2007 stations may be
  313  * associated at once.  For most AP's this is way more
  314  * than is feasible so we use a default of 128.  This
  315  * number may be overridden by the driver and/or by
  316  * user configuration but may not be less than IEEE80211_AID_MIN.
  317  */
  318 #define IEEE80211_AID_DEF               128
  319 #define IEEE80211_AID_MIN               16
  320 
  321 /*
  322  * 802.11 rate set.
  323  */
  324 #define IEEE80211_RATE_SIZE     8               /* 802.11 standard */
  325 #define IEEE80211_RATE_MAXSIZE  15              /* max rates we'll handle */
  326 
  327 struct ieee80211_rateset {
  328         uint8_t         rs_nrates;
  329         uint8_t         rs_rates[IEEE80211_RATE_MAXSIZE];
  330 };
  331 
  332 /*
  333  * 802.11n variant of ieee80211_rateset.  Instead of
  334  * legacy rates the entries are MCS rates.  We define
  335  * the structure such that it can be used interchangeably
  336  * with an ieee80211_rateset (modulo structure size).
  337  */
  338 #define IEEE80211_HTRATE_MAXSIZE 127
  339 
  340 struct ieee80211_htrateset {
  341         uint8_t         rs_nrates;
  342         uint8_t         rs_rates[IEEE80211_HTRATE_MAXSIZE];
  343 };
  344 
  345 #define IEEE80211_RATE_MCS      0x80
  346 
  347 /*
  348  * Per-mode transmit parameters/controls visible to user space.
  349  * These can be used to set fixed transmit rate for all operating
  350  * modes or on a per-client basis according to the capabilities
  351  * of the client (e.g. an 11b client associated to an 11g ap).
  352  *
  353  * MCS are distinguished from legacy rates by or'ing in 0x80.
  354  */
  355 struct ieee80211_txparam {
  356         uint8_t         ucastrate;      /* ucast data rate (legacy/MCS|0x80) */
  357         uint8_t         mgmtrate;       /* mgmt frame rate (legacy/MCS|0x80) */
  358         uint8_t         mcastrate;      /* multicast rate (legacy/MCS|0x80) */
  359         uint8_t         maxretry;       /* max unicast data retry count */
  360 };
  361 
  362 /*
  363  * Per-mode roaming state visible to user space.  There are two
  364  * thresholds that control whether roaming is considered; when
  365  * either is exceeded the 802.11 layer will check the scan cache
  366  * for another AP.  If the cache is stale then a scan may be
  367  * triggered.
  368  */
  369 struct ieee80211_roamparam {
  370         int8_t          rssi;           /* rssi thresh (.5 dBm) */
  371         uint8_t         rate;           /* tx rate thresh (.5 Mb/s or MCS) */
  372         uint16_t        pad;            /* reserve */
  373 };
  374 
  375 /*
  376  * Regulatory Information.
  377  */
  378 struct ieee80211_regdomain {
  379         uint16_t        regdomain;      /* SKU */
  380         uint16_t        country;        /* ISO country code */
  381         uint8_t         location;       /* I (indoor), O (outdoor), other */
  382         uint8_t         ecm;            /* Extended Channel Mode */
  383         char            isocc[2];       /* country code string */
  384         short           pad[2];
  385 };
  386 
  387 /*
  388  * MIMO antenna/radio state.
  389  */
  390 struct ieee80211_mimo_info {
  391         int8_t          rssi[3];        /* per-antenna rssi */
  392         int8_t          noise[3];       /* per-antenna noise floor */
  393         uint8_t         pad[2];
  394         uint32_t        evm[3];         /* EVM data */
  395 };
  396 #endif /* _NET80211__IEEE80211_H_ */

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