The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_proto.h

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    1 /*-
    2  * Copyright (c) 2001 Atsushi Onoe
    3  * Copyright (c) 2002-2009 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/10.0/sys/net80211/ieee80211_proto.h 259188 2013-12-10 19:22:02Z gavin $
   27  */
   28 #ifndef _NET80211_IEEE80211_PROTO_H_
   29 #define _NET80211_IEEE80211_PROTO_H_
   30 
   31 /*
   32  * 802.11 protocol implementation definitions.
   33  */
   34 
   35 enum ieee80211_state {
   36         IEEE80211_S_INIT        = 0,    /* default state */
   37         IEEE80211_S_SCAN        = 1,    /* scanning */
   38         IEEE80211_S_AUTH        = 2,    /* try to authenticate */
   39         IEEE80211_S_ASSOC       = 3,    /* try to assoc */
   40         IEEE80211_S_CAC         = 4,    /* doing channel availability check */
   41         IEEE80211_S_RUN         = 5,    /* operational (e.g. associated) */
   42         IEEE80211_S_CSA         = 6,    /* channel switch announce pending */
   43         IEEE80211_S_SLEEP       = 7,    /* power save */
   44 };
   45 #define IEEE80211_S_MAX         (IEEE80211_S_SLEEP+1)
   46 
   47 #define IEEE80211_SEND_MGMT(_ni,_type,_arg) \
   48         ((*(_ni)->ni_ic->ic_send_mgmt)(_ni, _type, _arg))
   49 
   50 extern  const char *ieee80211_mgt_subtype_name[];
   51 extern  const char *ieee80211_phymode_name[IEEE80211_MODE_MAX];
   52 extern  const int ieee80211_opcap[IEEE80211_OPMODE_MAX];
   53 
   54 void    ieee80211_proto_attach(struct ieee80211com *);
   55 void    ieee80211_proto_detach(struct ieee80211com *);
   56 void    ieee80211_proto_vattach(struct ieee80211vap *);
   57 void    ieee80211_proto_vdetach(struct ieee80211vap *);
   58 
   59 void    ieee80211_syncifflag_locked(struct ieee80211com *, int flag);
   60 void    ieee80211_syncflag(struct ieee80211vap *, int flag);
   61 void    ieee80211_syncflag_ht(struct ieee80211vap *, int flag);
   62 void    ieee80211_syncflag_ext(struct ieee80211vap *, int flag);
   63 
   64 #define IEEE80211_R_NF          0x0000001       /* global NF value valid */
   65 #define IEEE80211_R_RSSI        0x0000002       /* global RSSI value valid */
   66 #define IEEE80211_R_C_CHAIN     0x0000004       /* RX chain count valid */
   67 #define IEEE80211_R_C_NF        0x0000008       /* per-chain NF value valid */
   68 #define IEEE80211_R_C_RSSI      0x0000010       /* per-chain RSSI value valid */
   69 #define IEEE80211_R_C_EVM       0x0000020       /* per-chain EVM valid */
   70 #define IEEE80211_R_C_HT40      0x0000040       /* RX'ed packet is 40mhz, pilots 4,5 valid */
   71 
   72 struct ieee80211_rx_stats {
   73         uint32_t r_flags;               /* IEEE80211_R_* flags */
   74         uint8_t c_chain;                /* number of RX chains involved */
   75         int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */
   76         int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */
   77         int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS];       /* per-chain RSSI */
   78         int16_t c_rssi_ext[IEEE80211_MAX_CHAINS];       /* per-chain RSSI */
   79         uint8_t nf;                     /* global NF */
   80         uint8_t rssi;                   /* global RSSI */
   81         uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS];
   82                                         /* per-chain, per-pilot EVM values */
   83 };
   84 
   85 #define ieee80211_input(ni, m, rssi, nf) \
   86         ((ni)->ni_vap->iv_input(ni, m, rssi, nf))
   87 int     ieee80211_input_all(struct ieee80211com *, struct mbuf *, int, int);
   88 
   89 int     ieee80211_input_mimo(struct ieee80211_node *, struct mbuf *,
   90             struct ieee80211_rx_stats *);
   91 int     ieee80211_input_mimo_all(struct ieee80211com *, struct mbuf *,
   92             struct ieee80211_rx_stats *);
   93 
   94 struct ieee80211_bpf_params;
   95 int     ieee80211_mgmt_output(struct ieee80211_node *, struct mbuf *, int,
   96                 struct ieee80211_bpf_params *);
   97 int     ieee80211_raw_xmit(struct ieee80211_node *, struct mbuf *,
   98                 const struct ieee80211_bpf_params *);
   99 #if __FreeBSD_version >= 1000031
  100 int     ieee80211_output(struct ifnet *, struct mbuf *,
  101                const struct sockaddr *, struct route *ro);
  102 #else
  103 int     ieee80211_output(struct ifnet *, struct mbuf *,
  104                struct sockaddr *, struct route *ro);
  105 #endif
  106 int     ieee80211_vap_pkt_send_dest(struct ieee80211vap *, struct mbuf *,
  107                 struct ieee80211_node *);
  108 int     ieee80211_raw_output(struct ieee80211vap *, struct ieee80211_node *,
  109                 struct mbuf *, const struct ieee80211_bpf_params *);
  110 void    ieee80211_send_setup(struct ieee80211_node *, struct mbuf *, int, int,
  111         const uint8_t [IEEE80211_ADDR_LEN], const uint8_t [IEEE80211_ADDR_LEN],
  112         const uint8_t [IEEE80211_ADDR_LEN]);
  113 int     ieee80211_vap_transmit(struct ifnet *ifp, struct mbuf *m);
  114 void    ieee80211_vap_qflush(struct ifnet *ifp);
  115 int     ieee80211_send_nulldata(struct ieee80211_node *);
  116 int     ieee80211_classify(struct ieee80211_node *, struct mbuf *m);
  117 struct mbuf *ieee80211_mbuf_adjust(struct ieee80211vap *, int,
  118                 struct ieee80211_key *, struct mbuf *);
  119 struct mbuf *ieee80211_encap(struct ieee80211vap *, struct ieee80211_node *,
  120                 struct mbuf *);
  121 int     ieee80211_send_mgmt(struct ieee80211_node *, int, int);
  122 struct ieee80211_appie;
  123 int     ieee80211_send_probereq(struct ieee80211_node *ni,
  124                 const uint8_t sa[IEEE80211_ADDR_LEN],
  125                 const uint8_t da[IEEE80211_ADDR_LEN],
  126                 const uint8_t bssid[IEEE80211_ADDR_LEN],
  127                 const uint8_t *ssid, size_t ssidlen);
  128 struct mbuf *   ieee80211_ff_encap1(struct ieee80211vap *, struct mbuf *,
  129                 const struct ether_header *);
  130 void    ieee80211_tx_complete(struct ieee80211_node *,
  131                 struct mbuf *, int);
  132 
  133 /*
  134  * The formation of ProbeResponse frames requires guidance to
  135  * deal with legacy clients.  When the client is identified as
  136  * "legacy 11b" ieee80211_send_proberesp is passed this token.
  137  */
  138 #define IEEE80211_SEND_LEGACY_11B       0x1     /* legacy 11b client */
  139 #define IEEE80211_SEND_LEGACY_11        0x2     /* other legacy client */
  140 #define IEEE80211_SEND_LEGACY           0x3     /* any legacy client */
  141 struct mbuf *ieee80211_alloc_proberesp(struct ieee80211_node *, int);
  142 int     ieee80211_send_proberesp(struct ieee80211vap *,
  143                 const uint8_t da[IEEE80211_ADDR_LEN], int);
  144 struct mbuf *ieee80211_alloc_rts(struct ieee80211com *ic,
  145                 const uint8_t [IEEE80211_ADDR_LEN],
  146                 const uint8_t [IEEE80211_ADDR_LEN], uint16_t);
  147 struct mbuf *ieee80211_alloc_cts(struct ieee80211com *,
  148                 const uint8_t [IEEE80211_ADDR_LEN], uint16_t);
  149 
  150 uint8_t *ieee80211_add_rates(uint8_t *, const struct ieee80211_rateset *);
  151 uint8_t *ieee80211_add_xrates(uint8_t *, const struct ieee80211_rateset *);
  152 uint8_t *ieee80211_add_wpa(uint8_t *, const struct ieee80211vap *);
  153 uint8_t *ieee80211_add_rsn(uint8_t *, const struct ieee80211vap *);
  154 uint8_t *ieee80211_add_qos(uint8_t *, const struct ieee80211_node *);
  155 uint16_t ieee80211_getcapinfo(struct ieee80211vap *,
  156                 struct ieee80211_channel *);
  157 
  158 void    ieee80211_reset_erp(struct ieee80211com *);
  159 void    ieee80211_set_shortslottime(struct ieee80211com *, int onoff);
  160 int     ieee80211_iserp_rateset(const struct ieee80211_rateset *);
  161 void    ieee80211_setbasicrates(struct ieee80211_rateset *,
  162                 enum ieee80211_phymode);
  163 void    ieee80211_addbasicrates(struct ieee80211_rateset *,
  164                 enum ieee80211_phymode);
  165 
  166 /*
  167  * Return the size of the 802.11 header for a management or data frame.
  168  */
  169 static __inline int
  170 ieee80211_hdrsize(const void *data)
  171 {
  172         const struct ieee80211_frame *wh = data;
  173         int size = sizeof(struct ieee80211_frame);
  174 
  175         /* NB: we don't handle control frames */
  176         KASSERT((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_CTL,
  177                 ("%s: control frame", __func__));
  178         if (IEEE80211_IS_DSTODS(wh))
  179                 size += IEEE80211_ADDR_LEN;
  180         if (IEEE80211_QOS_HAS_SEQ(wh))
  181                 size += sizeof(uint16_t);
  182         return size;
  183 }
  184 
  185 /*
  186  * Like ieee80211_hdrsize, but handles any type of frame.
  187  */
  188 static __inline int
  189 ieee80211_anyhdrsize(const void *data)
  190 {
  191         const struct ieee80211_frame *wh = data;
  192 
  193         if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) {
  194                 switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
  195                 case IEEE80211_FC0_SUBTYPE_CTS:
  196                 case IEEE80211_FC0_SUBTYPE_ACK:
  197                         return sizeof(struct ieee80211_frame_ack);
  198                 case IEEE80211_FC0_SUBTYPE_BAR:
  199                         return sizeof(struct ieee80211_frame_bar);
  200                 }
  201                 return sizeof(struct ieee80211_frame_min);
  202         } else
  203                 return ieee80211_hdrsize(data);
  204 }
  205 
  206 /*
  207  * Template for an in-kernel authenticator.  Authenticators
  208  * register with the protocol code and are typically loaded
  209  * as separate modules as needed.  One special authenticator
  210  * is xauth; it intercepts requests so that protocols like
  211  * WPA can be handled in user space.
  212  */
  213 struct ieee80211_authenticator {
  214         const char *ia_name;            /* printable name */
  215         int     (*ia_attach)(struct ieee80211vap *);
  216         void    (*ia_detach)(struct ieee80211vap *);
  217         void    (*ia_node_join)(struct ieee80211_node *);
  218         void    (*ia_node_leave)(struct ieee80211_node *);
  219 };
  220 void    ieee80211_authenticator_register(int type,
  221                 const struct ieee80211_authenticator *);
  222 void    ieee80211_authenticator_unregister(int type);
  223 const struct ieee80211_authenticator *ieee80211_authenticator_get(int auth);
  224 
  225 struct ieee80211req;
  226 /*
  227  * Template for an MAC ACL policy module.  Such modules
  228  * register with the protocol code and are passed the sender's
  229  * address of each received auth frame for validation.
  230  */
  231 struct ieee80211_aclator {
  232         const char *iac_name;           /* printable name */
  233         int     (*iac_attach)(struct ieee80211vap *);
  234         void    (*iac_detach)(struct ieee80211vap *);
  235         int     (*iac_check)(struct ieee80211vap *,
  236                         const struct ieee80211_frame *wh);
  237         int     (*iac_add)(struct ieee80211vap *,
  238                         const uint8_t mac[IEEE80211_ADDR_LEN]);
  239         int     (*iac_remove)(struct ieee80211vap *,
  240                         const uint8_t mac[IEEE80211_ADDR_LEN]);
  241         int     (*iac_flush)(struct ieee80211vap *);
  242         int     (*iac_setpolicy)(struct ieee80211vap *, int);
  243         int     (*iac_getpolicy)(struct ieee80211vap *);
  244         int     (*iac_setioctl)(struct ieee80211vap *, struct ieee80211req *);
  245         int     (*iac_getioctl)(struct ieee80211vap *, struct ieee80211req *);
  246 };
  247 void    ieee80211_aclator_register(const struct ieee80211_aclator *);
  248 void    ieee80211_aclator_unregister(const struct ieee80211_aclator *);
  249 const struct ieee80211_aclator *ieee80211_aclator_get(const char *name);
  250 
  251 /* flags for ieee80211_fix_rate() */
  252 #define IEEE80211_F_DOSORT      0x00000001      /* sort rate list */
  253 #define IEEE80211_F_DOFRATE     0x00000002      /* use fixed legacy rate */
  254 #define IEEE80211_F_DONEGO      0x00000004      /* calc negotiated rate */
  255 #define IEEE80211_F_DODEL       0x00000008      /* delete ignore rate */
  256 #define IEEE80211_F_DOBRS       0x00000010      /* check basic rate set */
  257 #define IEEE80211_F_JOIN        0x00000020      /* sta joining our bss */
  258 #define IEEE80211_F_DOFMCS      0x00000040      /* use fixed HT rate */
  259 int     ieee80211_fix_rate(struct ieee80211_node *,
  260                 struct ieee80211_rateset *, int);
  261 
  262 /*
  263  * WME/WMM support.
  264  */
  265 struct wmeParams {
  266         uint8_t         wmep_acm;
  267         uint8_t         wmep_aifsn;
  268         uint8_t         wmep_logcwmin;          /* log2(cwmin) */
  269         uint8_t         wmep_logcwmax;          /* log2(cwmax) */
  270         uint8_t         wmep_txopLimit;
  271         uint8_t         wmep_noackPolicy;       /* 0 (ack), 1 (no ack) */
  272 };
  273 #define IEEE80211_TXOP_TO_US(_txop)     ((_txop)<<5)
  274 #define IEEE80211_US_TO_TXOP(_us)       ((_us)>>5)
  275 
  276 struct chanAccParams {
  277         uint8_t         cap_info;               /* version of the current set */
  278         struct wmeParams cap_wmeParams[WME_NUM_AC];
  279 };
  280 
  281 struct ieee80211_wme_state {
  282         u_int   wme_flags;
  283 #define WME_F_AGGRMODE  0x00000001      /* STATUS: WME agressive mode */
  284         u_int   wme_hipri_traffic;      /* VI/VO frames in beacon interval */
  285         u_int   wme_hipri_switch_thresh;/* agressive mode switch thresh */
  286         u_int   wme_hipri_switch_hysteresis;/* agressive mode switch hysteresis */
  287 
  288         struct wmeParams wme_params[4];         /* from assoc resp for each AC*/
  289         struct chanAccParams wme_wmeChanParams; /* WME params applied to self */
  290         struct chanAccParams wme_wmeBssChanParams;/* WME params bcast to stations */
  291         struct chanAccParams wme_chanParams;    /* params applied to self */
  292         struct chanAccParams wme_bssChanParams; /* params bcast to stations */
  293 
  294         int     (*wme_update)(struct ieee80211com *);
  295 };
  296 
  297 void    ieee80211_wme_initparams(struct ieee80211vap *);
  298 void    ieee80211_wme_updateparams(struct ieee80211vap *);
  299 void    ieee80211_wme_updateparams_locked(struct ieee80211vap *);
  300 
  301 /*
  302  * Return the WME TID from a QoS frame.  If no TID
  303  * is present return the index for the "non-QoS" entry.
  304  */
  305 static __inline uint8_t
  306 ieee80211_gettid(const struct ieee80211_frame *wh)
  307 {
  308         uint8_t tid;
  309 
  310         if (IEEE80211_QOS_HAS_SEQ(wh)) {
  311                 if (IEEE80211_IS_DSTODS(wh))
  312                         tid = ((const struct ieee80211_qosframe_addr4 *)wh)->
  313                                 i_qos[0];
  314                 else
  315                         tid = ((const struct ieee80211_qosframe *)wh)->i_qos[0];
  316                 tid &= IEEE80211_QOS_TID;
  317         } else
  318                 tid = IEEE80211_NONQOS_TID;
  319         return tid;
  320 }
  321 
  322 void    ieee80211_waitfor_parent(struct ieee80211com *);
  323 void    ieee80211_start_locked(struct ieee80211vap *);
  324 void    ieee80211_init(void *);
  325 void    ieee80211_start_all(struct ieee80211com *);
  326 void    ieee80211_stop_locked(struct ieee80211vap *);
  327 void    ieee80211_stop(struct ieee80211vap *);
  328 void    ieee80211_stop_all(struct ieee80211com *);
  329 void    ieee80211_suspend_all(struct ieee80211com *);
  330 void    ieee80211_resume_all(struct ieee80211com *);
  331 void    ieee80211_dturbo_switch(struct ieee80211vap *, int newflags);
  332 void    ieee80211_swbmiss(void *arg);
  333 void    ieee80211_beacon_miss(struct ieee80211com *);
  334 int     ieee80211_new_state(struct ieee80211vap *, enum ieee80211_state, int);
  335 int     ieee80211_new_state_locked(struct ieee80211vap *, enum ieee80211_state,
  336                 int);
  337 void    ieee80211_print_essid(const uint8_t *, int);
  338 void    ieee80211_dump_pkt(struct ieee80211com *,
  339                 const uint8_t *, int, int, int);
  340 
  341 extern  const char *ieee80211_opmode_name[];
  342 extern  const char *ieee80211_state_name[IEEE80211_S_MAX];
  343 extern  const char *ieee80211_wme_acnames[];
  344 
  345 /*
  346  * Beacon frames constructed by ieee80211_beacon_alloc
  347  * have the following structure filled in so drivers
  348  * can update the frame later w/ minimal overhead.
  349  */
  350 struct ieee80211_beacon_offsets {
  351         uint8_t         bo_flags[4];    /* update/state flags */
  352         uint16_t        *bo_caps;       /* capabilities */
  353         uint8_t         *bo_cfp;        /* start of CFParms element */
  354         uint8_t         *bo_tim;        /* start of atim/dtim */
  355         uint8_t         *bo_wme;        /* start of WME parameters */
  356         uint8_t         *bo_tdma;       /* start of TDMA parameters */
  357         uint8_t         *bo_tim_trailer;/* start of fixed-size trailer */
  358         uint16_t        bo_tim_len;     /* atim/dtim length in bytes */
  359         uint16_t        bo_tim_trailer_len;/* tim trailer length in bytes */
  360         uint8_t         *bo_erp;        /* start of ERP element */
  361         uint8_t         *bo_htinfo;     /* start of HT info element */
  362         uint8_t         *bo_ath;        /* start of ATH parameters */
  363         uint8_t         *bo_appie;      /* start of AppIE element */
  364         uint16_t        bo_appie_len;   /* AppIE length in bytes */
  365         uint16_t        bo_csa_trailer_len;
  366         uint8_t         *bo_csa;        /* start of CSA element */
  367         uint8_t         *bo_quiet;      /* start of Quiet element */
  368         uint8_t         *bo_meshconf;   /* start of MESHCONF element */
  369         uint8_t         *bo_spare[3];
  370 };
  371 struct mbuf *ieee80211_beacon_alloc(struct ieee80211_node *,
  372                 struct ieee80211_beacon_offsets *);
  373 
  374 /*
  375  * Beacon frame updates are signaled through calls to iv_update_beacon
  376  * with one of the IEEE80211_BEACON_* tokens defined below.  For devices
  377  * that construct beacon frames on the host this can trigger a rebuild
  378  * or defer the processing.  For devices that offload beacon frame
  379  * handling this callback can be used to signal a rebuild.  The bo_flags
  380  * array in the ieee80211_beacon_offsets structure is intended to record
  381  * deferred processing requirements; ieee80211_beacon_update uses the
  382  * state to optimize work.  Since this structure is owned by the driver
  383  * and not visible to the 802.11 layer drivers must supply an iv_update_beacon
  384  * callback that marks the flag bits and schedules (as necessary) an update.
  385  */
  386 enum {
  387         IEEE80211_BEACON_CAPS   = 0,    /* capabilities */
  388         IEEE80211_BEACON_TIM    = 1,    /* DTIM/ATIM */
  389         IEEE80211_BEACON_WME    = 2,
  390         IEEE80211_BEACON_ERP    = 3,    /* Extended Rate Phy */
  391         IEEE80211_BEACON_HTINFO = 4,    /* HT Information */
  392         IEEE80211_BEACON_APPIE  = 5,    /* Application IE's */
  393         IEEE80211_BEACON_CFP    = 6,    /* CFParms */
  394         IEEE80211_BEACON_CSA    = 7,    /* Channel Switch Announcement */
  395         IEEE80211_BEACON_TDMA   = 9,    /* TDMA Info */
  396         IEEE80211_BEACON_ATH    = 10,   /* ATH parameters */
  397         IEEE80211_BEACON_MESHCONF = 11, /* Mesh Configuration */
  398 };
  399 int     ieee80211_beacon_update(struct ieee80211_node *,
  400                 struct ieee80211_beacon_offsets *, struct mbuf *, int mcast);
  401 
  402 void    ieee80211_csa_startswitch(struct ieee80211com *,
  403                 struct ieee80211_channel *, int mode, int count);
  404 void    ieee80211_csa_completeswitch(struct ieee80211com *);
  405 void    ieee80211_csa_cancelswitch(struct ieee80211com *);
  406 void    ieee80211_cac_completeswitch(struct ieee80211vap *);
  407 
  408 /*
  409  * Notification methods called from the 802.11 state machine.
  410  * Note that while these are defined here, their implementation
  411  * is OS-specific.
  412  */
  413 void    ieee80211_notify_node_join(struct ieee80211_node *, int newassoc);
  414 void    ieee80211_notify_node_leave(struct ieee80211_node *);
  415 void    ieee80211_notify_scan_done(struct ieee80211vap *);
  416 void    ieee80211_notify_wds_discover(struct ieee80211_node *);
  417 void    ieee80211_notify_csa(struct ieee80211com *,
  418                 const struct ieee80211_channel *, int mode, int count);
  419 void    ieee80211_notify_radar(struct ieee80211com *,
  420                 const struct ieee80211_channel *);
  421 enum ieee80211_notify_cac_event {
  422         IEEE80211_NOTIFY_CAC_START  = 0, /* CAC timer started */
  423         IEEE80211_NOTIFY_CAC_STOP   = 1, /* CAC intentionally stopped */
  424         IEEE80211_NOTIFY_CAC_RADAR  = 2, /* CAC stopped due to radar detectio */
  425         IEEE80211_NOTIFY_CAC_EXPIRE = 3, /* CAC expired w/o radar */
  426 };
  427 void    ieee80211_notify_cac(struct ieee80211com *,
  428                 const struct ieee80211_channel *,
  429                 enum ieee80211_notify_cac_event);
  430 void    ieee80211_notify_node_deauth(struct ieee80211_node *);
  431 void    ieee80211_notify_node_auth(struct ieee80211_node *);
  432 void    ieee80211_notify_country(struct ieee80211vap *, const uint8_t [],
  433                 const uint8_t cc[2]);
  434 void    ieee80211_notify_radio(struct ieee80211com *, int);
  435 #endif /* _NET80211_IEEE80211_PROTO_H_ */

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