The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_var.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: releng/6.2/sys/net80211/ieee80211_var.h 161148 2006-08-10 06:07:49Z sam $
   33  */
   34 #ifndef _NET80211_IEEE80211_VAR_H_
   35 #define _NET80211_IEEE80211_VAR_H_
   36 
   37 /*
   38  * Definitions for IEEE 802.11 drivers.
   39  */
   40 #define IEEE80211_DEBUG
   41 #undef  IEEE80211_DEBUG_REFCNT                  /* node refcnt stuff */
   42 
   43 /* NB: portability glue must go first */
   44 #ifdef __NetBSD__
   45 #include <net80211/ieee80211_netbsd.h>
   46 #elif __FreeBSD__
   47 #include <net80211/ieee80211_freebsd.h>
   48 #elif __linux__
   49 #include <net80211/ieee80211_linux.h>
   50 #else
   51 #error  "No support for your operating system!"
   52 #endif
   53 
   54 #include <net80211/_ieee80211.h>
   55 #include <net80211/ieee80211.h>
   56 #include <net80211/ieee80211_crypto.h>
   57 #include <net80211/ieee80211_ioctl.h>           /* for ieee80211_stats */
   58 #include <net80211/ieee80211_node.h>
   59 #include <net80211/ieee80211_proto.h>
   60 
   61 #define IEEE80211_TXPOWER_MAX   100     /* .5 dbM (XXX units?) */
   62 #define IEEE80211_TXPOWER_MIN   0       /* kill radio */
   63 
   64 #define IEEE80211_DTIM_DEFAULT  1       /* default DTIM period */
   65 #define IEEE80211_BINTVAL_DEFAULT 100   /* default beacon interval (TU's) */
   66 
   67 #define IEEE80211_BMISS_MAX     2       /* maximum consecutive bmiss allowed */
   68 #define IEEE80211_HWBMISS_DEFAULT 7     /* h/w bmiss threshold (beacons) */
   69 
   70 #define IEEE80211_PS_SLEEP      0x1     /* STA is in power saving mode */
   71 #define IEEE80211_PS_MAX_QUEUE  50      /* maximum saved packets */
   72 
   73 #define IEEE80211_FIXED_RATE_NONE       -1
   74 #define IEEE80211_MCAST_RATE_DEFAULT    (2*1)   /* default mcast rate (1M) */
   75 
   76 #define IEEE80211_RTS_DEFAULT           IEEE80211_RTS_MAX
   77 #define IEEE80211_FRAG_DEFAULT          IEEE80211_FRAG_MAX
   78 
   79 #define IEEE80211_MS_TO_TU(x)   (((x) * 1024) / 1000)
   80 #define IEEE80211_TU_TO_MS(x)   (((x) * 1000) / 1024)
   81 #define IEEE80211_TU_TO_TICKS(x)(((x) * hz) / 1024)
   82 
   83 struct ieee80211_aclator;
   84 struct sysctl_ctx_list;
   85 
   86 struct ieee80211com {
   87         SLIST_ENTRY(ieee80211com) ic_next;
   88         struct ifnet            *ic_ifp;        /* associated device */
   89         struct ieee80211_stats  ic_stats;       /* statistics */
   90         struct sysctl_ctx_list  *ic_sysctl;     /* dynamic sysctl context */
   91         u_int32_t               ic_debug;       /* debug msg flags */
   92         int                     ic_vap;         /* virtual AP index */
   93         ieee80211_beacon_lock_t ic_beaconlock;  /* beacon update lock */
   94 
   95         int                     (*ic_reset)(struct ifnet *);
   96         void                    (*ic_recv_mgmt)(struct ieee80211com *,
   97                                     struct mbuf *, struct ieee80211_node *,
   98                                     int, int, u_int32_t);
   99         int                     (*ic_send_mgmt)(struct ieee80211com *,
  100                                     struct ieee80211_node *, int, int);
  101         int                     (*ic_newstate)(struct ieee80211com *,
  102                                     enum ieee80211_state, int);
  103         void                    (*ic_newassoc)(struct ieee80211_node *, int);
  104         void                    (*ic_updateslot)(struct ifnet *);
  105         void                    (*ic_set_tim)(struct ieee80211_node *, int);
  106         u_int8_t                ic_myaddr[IEEE80211_ADDR_LEN];
  107         struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
  108         struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
  109         u_int8_t                ic_chan_avail[IEEE80211_CHAN_BYTES];
  110         u_int8_t                ic_chan_active[IEEE80211_CHAN_BYTES];
  111         u_int8_t                ic_chan_scan[IEEE80211_CHAN_BYTES];
  112         struct ieee80211_node_table ic_scan;    /* scan candidates */
  113         struct ifqueue          ic_mgtq;
  114         u_int32_t               ic_flags;       /* state flags */
  115         u_int32_t               ic_flags_ext;   /* extended state flags */
  116         u_int32_t               ic_caps;        /* capabilities */
  117         u_int16_t               ic_modecaps;    /* set of mode capabilities */
  118         u_int16_t               ic_curmode;     /* current mode */
  119         enum ieee80211_phytype  ic_phytype;     /* XXX wrong for multi-mode */
  120         enum ieee80211_opmode   ic_opmode;      /* operation mode */
  121         enum ieee80211_state    ic_state;       /* 802.11 state */
  122         enum ieee80211_protmode ic_protmode;    /* 802.11g protection mode */
  123         enum ieee80211_roamingmode ic_roaming;  /* roaming mode */
  124         struct ieee80211_node_table ic_sta;     /* stations/neighbors */
  125         u_int32_t               *ic_aid_bitmap; /* association id map */
  126         u_int16_t               ic_max_aid;
  127         u_int16_t               ic_sta_assoc;   /* stations associated */
  128         u_int16_t               ic_ps_sta;      /* stations in power save */
  129         u_int16_t               ic_ps_pending;  /* ps sta's w/ pending frames */
  130         u_int8_t                *ic_tim_bitmap; /* power-save stations w/ data*/
  131         u_int16_t               ic_tim_len;     /* ic_tim_bitmap size (bytes) */
  132         u_int8_t                ic_dtim_period; /* DTIM period */
  133         u_int8_t                ic_dtim_count;  /* DTIM count for last bcn */
  134         struct ifmedia          ic_media;       /* interface media config */
  135         struct bpf_if           *ic_rawbpf;     /* packet filter structure */
  136         struct ieee80211_node   *ic_bss;        /* information for this node */
  137         struct ieee80211_channel *ic_ibss_chan;
  138         struct ieee80211_channel *ic_curchan;   /* current channel */
  139         int                     ic_fixed_rate;  /* index to ic_sup_rates[] */
  140         int                     ic_mcast_rate;  /* rate for mcast frames */
  141         u_int16_t               ic_rtsthreshold;
  142         u_int16_t               ic_fragthreshold;
  143         u_int8_t                ic_bmissthreshold;
  144         u_int8_t                ic_bmiss_count; /* current beacon miss count */
  145         int                     ic_bmiss_max;   /* max bmiss before scan */
  146         u_int16_t               ic_swbmiss_count;/* beacons in last period */
  147         u_int16_t               ic_swbmiss_period;/* s/w bmiss period */
  148         struct callout          ic_swbmiss;     /* s/w beacon miss timer */
  149         struct ieee80211_node   *(*ic_node_alloc)(struct ieee80211_node_table*);
  150         void                    (*ic_node_free)(struct ieee80211_node *);
  151         void                    (*ic_node_cleanup)(struct ieee80211_node *);
  152         u_int8_t                (*ic_node_getrssi)(const struct ieee80211_node*);
  153         u_int16_t               ic_lintval;     /* listen interval */
  154         u_int16_t               ic_bintval;     /* beacon interval */
  155         u_int16_t               ic_holdover;    /* PM hold over duration */
  156         u_int16_t               ic_txmin;       /* min tx retry count */
  157         u_int16_t               ic_txmax;       /* max tx retry count */
  158         u_int16_t               ic_txlifetime;  /* tx lifetime */
  159         u_int16_t               ic_txpowlimit;  /* global tx power limit */
  160         u_int16_t               ic_pad0;        /* was ic_bmisstimeout */
  161         u_int16_t               ic_nonerpsta;   /* # non-ERP stations */
  162         u_int16_t               ic_longslotsta; /* # long slot time stations */
  163         int                     ic_mgt_timer;   /* mgmt timeout */
  164         int                     ic_inact_timer; /* inactivity timer wait */
  165         int                     ic_des_esslen;
  166         u_int8_t                ic_des_essid[IEEE80211_NWID_LEN];
  167         struct ieee80211_channel *ic_des_chan;  /* desired channel */
  168         u_int8_t                ic_des_bssid[IEEE80211_ADDR_LEN];
  169         void                    *ic_opt_ie;     /* user-specified IE's */
  170         u_int16_t               ic_opt_ie_len;  /* length of ni_opt_ie */
  171         /*
  172          * Inactivity timer settings for nodes.
  173          */
  174         int                     ic_inact_init;  /* initial setting */
  175         int                     ic_inact_auth;  /* auth but not assoc setting */
  176         int                     ic_inact_run;   /* authorized setting */
  177         int                     ic_inact_probe; /* inactive probe time */
  178 
  179         /*
  180          * WME/WMM state.
  181          */
  182         struct ieee80211_wme_state ic_wme;
  183 
  184         /*
  185          * Cipher state/configuration.
  186          */
  187         struct ieee80211_crypto_state ic_crypto;
  188 #define ic_nw_keys      ic_crypto.cs_nw_keys    /* XXX compatibility */
  189 #define ic_def_txkey    ic_crypto.cs_def_txkey  /* XXX compatibility */
  190 
  191         /*
  192          * 802.1x glue.  When an authenticator attaches it
  193          * fills in this section.  We assume that when ic_ec
  194          * is setup that the methods are safe to call.
  195          */
  196         const struct ieee80211_authenticator *ic_auth;
  197         struct eapolcom         *ic_ec; 
  198 
  199         /*
  200          * Access control glue.  When a control agent attaches
  201          * it fills in this section.  We assume that when ic_ac
  202          * is setup that the methods are safe to call.
  203          */
  204         const struct ieee80211_aclator *ic_acl;
  205         void                    *ic_as;
  206         u_int32_t               ic_pad[56];     /* future expansion */
  207 };
  208 
  209 #define IEEE80211_ADDR_EQ(a1,a2)        (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
  210 #define IEEE80211_ADDR_COPY(dst,src)    memcpy(dst,src,IEEE80211_ADDR_LEN)
  211 
  212 /* ic_flags */
  213 /* NB: bits 0x4c available */
  214 #define IEEE80211_F_FF          0x00000001      /* CONF: ATH FF enabled */
  215 #define IEEE80211_F_TURBOP      0x00000002      /* CONF: ATH Turbo enabled*/
  216 #define IEEE80211_F_BURST       0x00000004      /* CONF: bursting enabled */
  217 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
  218 #define IEEE80211_F_PRIVACY     0x00000010      /* CONF: privacy enabled */
  219 #define IEEE80211_F_PUREG       0x00000020      /* CONF: 11g w/o 11b sta's */
  220 #define IEEE80211_F_SCAN        0x00000080      /* STATUS: scanning */
  221 #define IEEE80211_F_ASCAN       0x00000100      /* STATUS: active scan */
  222 #define IEEE80211_F_SIBSS       0x00000200      /* STATUS: start IBSS */
  223 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
  224 #define IEEE80211_F_SHSLOT      0x00000400      /* STATUS: use short slot time*/
  225 #define IEEE80211_F_PMGTON      0x00000800      /* CONF: Power mgmt enable */
  226 #define IEEE80211_F_DESBSSID    0x00001000      /* CONF: des_bssid is set */
  227 #define IEEE80211_F_WME         0x00002000      /* CONF: enable WME use */
  228 #define IEEE80211_F_BGSCAN      0x00004000      /* CONF: bg scan enabled (???)*/
  229 #define IEEE80211_F_SWRETRY     0x00008000      /* CONF: sw tx retry enabled */
  230 #define IEEE80211_F_TXPOW_FIXED 0x00010000      /* TX Power: fixed rate */
  231 #define IEEE80211_F_IBSSON      0x00020000      /* CONF: IBSS creation enable */
  232 #define IEEE80211_F_SHPREAMBLE  0x00040000      /* STATUS: use short preamble */
  233 #define IEEE80211_F_DATAPAD     0x00080000      /* CONF: do alignment pad */
  234 #define IEEE80211_F_USEPROT     0x00100000      /* STATUS: protection enabled */
  235 #define IEEE80211_F_USEBARKER   0x00200000      /* STATUS: use barker preamble*/
  236 #define IEEE80211_F_TIMUPDATE   0x00400000      /* STATUS: update beacon tim */
  237 #define IEEE80211_F_WPA1        0x00800000      /* CONF: WPA enabled */
  238 #define IEEE80211_F_WPA2        0x01000000      /* CONF: WPA2 enabled */
  239 #define IEEE80211_F_WPA         0x01800000      /* CONF: WPA/WPA2 enabled */
  240 #define IEEE80211_F_DROPUNENC   0x02000000      /* CONF: drop unencrypted */
  241 #define IEEE80211_F_COUNTERM    0x04000000      /* CONF: TKIP countermeasures */
  242 #define IEEE80211_F_HIDESSID    0x08000000      /* CONF: hide SSID in beacon */
  243 #define IEEE80211_F_NOBRIDGE    0x10000000      /* CONF: dis. internal bridge */
  244 #define IEEE80211_F_WMEUPDATE   0x20000000      /* STATUS: update beacon wme */
  245 
  246 /* ic_flags_ext */
  247 #define IEEE80211_FEXT_WDS      0x00000001      /* CONF: 4 addr allowed */
  248 /* 0x00000006 reserved */
  249 #define IEEE80211_FEXT_BGSCAN   0x00000008      /* STATUS: enable full bgscan completion */
  250 #define IEEE80211_FEXT_ERPUPDATE 0x00000200     /* STATUS: update ERP element */
  251 #define IEEE80211_FEXT_SWBMISS  0x00000400      /* CONF: do bmiss in s/w */
  252 #define IEEE80211_FEXT_PROBECHAN 0x00020000     /* CONF: probe passive channel*/
  253 
  254 /* ic_caps */
  255 #define IEEE80211_C_WEP         0x00000001      /* CAPABILITY: WEP available */
  256 #define IEEE80211_C_TKIP        0x00000002      /* CAPABILITY: TKIP available */
  257 #define IEEE80211_C_AES         0x00000004      /* CAPABILITY: AES OCB avail */
  258 #define IEEE80211_C_AES_CCM     0x00000008      /* CAPABILITY: AES CCM avail */
  259 #define IEEE80211_C_CKIP        0x00000020      /* CAPABILITY: CKIP available */
  260 #define IEEE80211_C_FF          0x00000040      /* CAPABILITY: ATH FF avail */
  261 #define IEEE80211_C_TURBOP      0x00000080      /* CAPABILITY: ATH Turbo avail*/
  262 #define IEEE80211_C_IBSS        0x00000100      /* CAPABILITY: IBSS available */
  263 #define IEEE80211_C_PMGT        0x00000200      /* CAPABILITY: Power mgmt */
  264 #define IEEE80211_C_HOSTAP      0x00000400      /* CAPABILITY: HOSTAP avail */
  265 #define IEEE80211_C_AHDEMO      0x00000800      /* CAPABILITY: Old Adhoc Demo */
  266 #define IEEE80211_C_SWRETRY     0x00001000      /* CAPABILITY: sw tx retry */
  267 #define IEEE80211_C_TXPMGT      0x00002000      /* CAPABILITY: tx power mgmt */
  268 #define IEEE80211_C_SHSLOT      0x00004000      /* CAPABILITY: short slottime */
  269 #define IEEE80211_C_SHPREAMBLE  0x00008000      /* CAPABILITY: short preamble */
  270 #define IEEE80211_C_MONITOR     0x00010000      /* CAPABILITY: monitor mode */
  271 #define IEEE80211_C_TKIPMIC     0x00020000      /* CAPABILITY: TKIP MIC avail */
  272 #define IEEE80211_C_WPA1        0x00800000      /* CAPABILITY: WPA1 avail */
  273 #define IEEE80211_C_WPA2        0x01000000      /* CAPABILITY: WPA2 avail */
  274 #define IEEE80211_C_WPA         0x01800000      /* CAPABILITY: WPA1+WPA2 avail*/
  275 #define IEEE80211_C_BURST       0x02000000      /* CAPABILITY: frame bursting */
  276 #define IEEE80211_C_WME         0x04000000      /* CAPABILITY: WME avail */
  277 #define IEEE80211_C_WDS         0x08000000      /* CAPABILITY: 4-addr support */
  278 /* 0x10000000 reserved */
  279 #define IEEE80211_C_BGSCAN      0x20000000      /* CAPABILITY: bg scanning */
  280 #define IEEE80211_C_TXFRAG      0x40000000      /* CAPABILITY: tx fragments */
  281 /* XXX protection/barker? */
  282 
  283 #define IEEE80211_C_CRYPTO      0x0000002f      /* CAPABILITY: crypto alg's */
  284 
  285 void    ieee80211_ifattach(struct ieee80211com *);
  286 void    ieee80211_ifdetach(struct ieee80211com *);
  287 void    ieee80211_announce(struct ieee80211com *);
  288 void    ieee80211_media_init(struct ieee80211com *,
  289                 ifm_change_cb_t, ifm_stat_cb_t);
  290 struct ieee80211com *ieee80211_find_vap(const u_int8_t mac[IEEE80211_ADDR_LEN]);
  291 int     ieee80211_media_change(struct ifnet *);
  292 void    ieee80211_media_status(struct ifnet *, struct ifmediareq *);
  293 int     ieee80211_ioctl(struct ieee80211com *, u_long, caddr_t);
  294 int     ieee80211_cfgget(struct ieee80211com *, u_long, caddr_t);
  295 int     ieee80211_cfgset(struct ieee80211com *, u_long, caddr_t);
  296 void    ieee80211_watchdog(struct ieee80211com *);
  297 int     ieee80211_rate2media(struct ieee80211com *, int,
  298                 enum ieee80211_phymode);
  299 int     ieee80211_media2rate(int);
  300 u_int   ieee80211_mhz2ieee(u_int, u_int);
  301 u_int   ieee80211_chan2ieee(struct ieee80211com *, struct ieee80211_channel *);
  302 u_int   ieee80211_ieee2mhz(u_int, u_int);
  303 int     ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
  304 enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
  305                 struct ieee80211_channel *);
  306 
  307 /* 
  308  * Key update synchronization methods.  XXX should not be visible.
  309  */
  310 static __inline void
  311 ieee80211_key_update_begin(struct ieee80211com *ic)
  312 {
  313         ic->ic_crypto.cs_key_update_begin(ic);
  314 }
  315 static __inline void
  316 ieee80211_key_update_end(struct ieee80211com *ic)
  317 {
  318         ic->ic_crypto.cs_key_update_end(ic);
  319 }
  320 
  321 /*
  322  * XXX these need to be here for IEEE80211_F_DATAPAD
  323  */
  324 
  325 /*
  326  * Return the space occupied by the 802.11 header and any
  327  * padding required by the driver.  This works for a
  328  * management or data frame.
  329  */
  330 static __inline int
  331 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
  332 {
  333         int size = ieee80211_hdrsize(data);
  334         if (ic->ic_flags & IEEE80211_F_DATAPAD)
  335                 size = roundup(size, sizeof(u_int32_t));
  336         return size;
  337 }
  338 
  339 /*
  340  * Like ieee80211_hdrspace, but handles any type of frame.
  341  */
  342 static __inline int
  343 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
  344 {
  345         int size = ieee80211_anyhdrsize(data);
  346         if (ic->ic_flags & IEEE80211_F_DATAPAD)
  347                 size = roundup(size, sizeof(u_int32_t));
  348         return size;
  349 }
  350 
  351 #define IEEE80211_MSG_DEBUG     0x40000000      /* IFF_DEBUG equivalent */
  352 #define IEEE80211_MSG_DUMPPKTS  0x20000000      /* IFF_LINK2 equivalant */
  353 #define IEEE80211_MSG_CRYPTO    0x10000000      /* crypto work */
  354 #define IEEE80211_MSG_INPUT     0x08000000      /* input handling */
  355 #define IEEE80211_MSG_XRATE     0x04000000      /* rate set handling */
  356 #define IEEE80211_MSG_ELEMID    0x02000000      /* element id parsing */
  357 #define IEEE80211_MSG_NODE      0x01000000      /* node handling */
  358 #define IEEE80211_MSG_ASSOC     0x00800000      /* association handling */
  359 #define IEEE80211_MSG_AUTH      0x00400000      /* authentication handling */
  360 #define IEEE80211_MSG_SCAN      0x00200000      /* scanning */
  361 #define IEEE80211_MSG_OUTPUT    0x00100000      /* output handling */
  362 #define IEEE80211_MSG_STATE     0x00080000      /* state machine */
  363 #define IEEE80211_MSG_POWER     0x00040000      /* power save handling */
  364 #define IEEE80211_MSG_DOT1X     0x00020000      /* 802.1x authenticator */
  365 #define IEEE80211_MSG_DOT1XSM   0x00010000      /* 802.1x state machine */
  366 #define IEEE80211_MSG_RADIUS    0x00008000      /* 802.1x radius client */
  367 #define IEEE80211_MSG_RADDUMP   0x00004000      /* dump 802.1x radius packets */
  368 #define IEEE80211_MSG_RADKEYS   0x00002000      /* dump 802.1x keys */
  369 #define IEEE80211_MSG_WPA       0x00001000      /* WPA/RSN protocol */
  370 #define IEEE80211_MSG_ACL       0x00000800      /* ACL handling */
  371 #define IEEE80211_MSG_WME       0x00000400      /* WME protocol */
  372 #define IEEE80211_MSG_SUPERG    0x00000200      /* Atheros SuperG protocol */
  373 #define IEEE80211_MSG_DOTH      0x00000100      /* 802.11h support */
  374 #define IEEE80211_MSG_INACT     0x00000080      /* inactivity handling */
  375 #define IEEE80211_MSG_ROAM      0x00000040      /* sta-mode roaming */
  376 
  377 #define IEEE80211_MSG_ANY       0xffffffff      /* anything */
  378 
  379 #ifdef IEEE80211_DEBUG
  380 #define ieee80211_msg(_ic, _m)  ((_ic)->ic_debug & (_m))
  381 #define IEEE80211_DPRINTF(_ic, _m, _fmt, ...) do {                      \
  382         if (ieee80211_msg(_ic, _m))                                     \
  383                 ieee80211_note(_ic, _fmt, __VA_ARGS__);         \
  384 } while (0)
  385 #define IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...) do {                    \
  386         if (ieee80211_msg(_ic, _m))                                     \
  387                 ieee80211_note_mac(_ic, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
  388 } while (0)
  389 #define IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...) do {               \
  390         if (ieee80211_msg(_ic, _m))                                     \
  391                 ieee80211_note_mac(_ic, _mac, _fmt, __VA_ARGS__);       \
  392 } while (0)
  393 #define IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...) do {              \
  394         if (ieee80211_msg(_ic, _m))                                     \
  395                 ieee80211_note_frame(_ic, _wh, _fmt, __VA_ARGS__);      \
  396 } while (0)
  397 void    ieee80211_note(struct ieee80211com *ic, const char *fmt, ...);
  398 void    ieee80211_note_mac(struct ieee80211com *ic,
  399                 const u_int8_t mac[IEEE80211_ADDR_LEN], const char *fmt, ...);
  400 void    ieee80211_note_frame(struct ieee80211com *ic,
  401                 const struct ieee80211_frame *wh, const char *fmt, ...);
  402 #define ieee80211_msg_debug(_ic) \
  403         ((_ic)->ic_debug & IEEE80211_MSG_DEBUG)
  404 #define ieee80211_msg_dumppkts(_ic) \
  405         ((_ic)->ic_debug & IEEE80211_MSG_DUMPPKTS)
  406 #define ieee80211_msg_input(_ic) \
  407         ((_ic)->ic_debug & IEEE80211_MSG_INPUT)
  408 #define ieee80211_msg_radius(_ic) \
  409         ((_ic)->ic_debug & IEEE80211_MSG_RADIUS)
  410 #define ieee80211_msg_dumpradius(_ic) \
  411         ((_ic)->ic_debug & IEEE80211_MSG_RADDUMP)
  412 #define ieee80211_msg_dumpradkeys(_ic) \
  413         ((_ic)->ic_debug & IEEE80211_MSG_RADKEYS)
  414 #define ieee80211_msg_scan(_ic) \
  415         ((_ic)->ic_debug & IEEE80211_MSG_SCAN)
  416 #define ieee80211_msg_assoc(_ic) \
  417         ((_ic)->ic_debug & IEEE80211_MSG_ASSOC)
  418 #else
  419 #define IEEE80211_DPRINTF(_ic, _m, _fmt, ...)
  420 #define IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...)
  421 #define IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...)
  422 #define ieee80211_msg_dumppkts(_ic)     0
  423 #define ieee80211_msg(_ic, _m)          0
  424 #endif
  425 
  426 #endif /* _NET80211_IEEE80211_VAR_H_ */

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