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_var.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/9.0/sys/net80211/ieee80211_var.h 223331 2011-06-20 11:46:03Z adrian $
   27  */
   28 #ifndef _NET80211_IEEE80211_VAR_H_
   29 #define _NET80211_IEEE80211_VAR_H_
   30 
   31 /*
   32  * Definitions for IEEE 802.11 drivers.
   33  */
   34 /* NB: portability glue must go first */
   35 #if defined(__NetBSD__)
   36 #include <net80211/ieee80211_netbsd.h>
   37 #elif defined(__FreeBSD__)
   38 #include <net80211/ieee80211_freebsd.h>
   39 #elif defined(__linux__)
   40 #include <net80211/ieee80211_linux.h>
   41 #else
   42 #error  "No support for your operating system!"
   43 #endif
   44 
   45 #include <net80211/_ieee80211.h>
   46 #include <net80211/ieee80211.h>
   47 #include <net80211/ieee80211_ageq.h>
   48 #include <net80211/ieee80211_crypto.h>
   49 #include <net80211/ieee80211_dfs.h>
   50 #include <net80211/ieee80211_ioctl.h>           /* for ieee80211_stats */
   51 #include <net80211/ieee80211_phy.h>
   52 #include <net80211/ieee80211_power.h>
   53 #include <net80211/ieee80211_node.h>
   54 #include <net80211/ieee80211_proto.h>
   55 #include <net80211/ieee80211_radiotap.h>
   56 #include <net80211/ieee80211_scan.h>
   57 
   58 #define IEEE80211_TXPOWER_MAX   100     /* .5 dbM (XXX units?) */
   59 #define IEEE80211_TXPOWER_MIN   0       /* kill radio */
   60 
   61 #define IEEE80211_DTIM_DEFAULT  1       /* default DTIM period */
   62 #define IEEE80211_BINTVAL_DEFAULT 100   /* default beacon interval (TU's) */
   63 
   64 #define IEEE80211_BMISS_MAX     2       /* maximum consecutive bmiss allowed */
   65 #define IEEE80211_HWBMISS_DEFAULT 7     /* h/w bmiss threshold (beacons) */
   66 
   67 #define IEEE80211_BGSCAN_INTVAL_MIN     15      /* min bg scan intvl (secs) */
   68 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60)  /* default bg scan intvl */
   69 
   70 #define IEEE80211_BGSCAN_IDLE_MIN       100     /* min idle time (ms) */
   71 #define IEEE80211_BGSCAN_IDLE_DEFAULT   250     /* default idle time (ms) */
   72 
   73 #define IEEE80211_SCAN_VALID_MIN        10      /* min scan valid time (secs) */
   74 #define IEEE80211_SCAN_VALID_DEFAULT    60      /* default scan valid time */
   75 
   76 #define IEEE80211_PS_SLEEP      0x1     /* STA is in power saving mode */
   77 #define IEEE80211_PS_MAX_QUEUE  50      /* maximum saved packets */
   78 
   79 #define IEEE80211_FIXED_RATE_NONE       0xff
   80 #define IEEE80211_TXMAX_DEFAULT         6       /* default ucast max retries */
   81 
   82 #define IEEE80211_RTS_DEFAULT           IEEE80211_RTS_MAX
   83 #define IEEE80211_FRAG_DEFAULT          IEEE80211_FRAG_MAX
   84 
   85 #define IEEE80211_MS_TO_TU(x)   (((x) * 1000) / 1024)
   86 #define IEEE80211_TU_TO_MS(x)   (((x) * 1024) / 1000)
   87 #define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000))
   88 
   89 /*
   90  * 802.11 control state is split into a common portion that maps
   91  * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
   92  * that are bound to an ieee80211com instance and share a single
   93  * underlying device.  Each VAP has a corresponding OS device
   94  * entity through which traffic flows and that applications use
   95  * for issuing ioctls, etc.
   96  */
   97 
   98 /*
   99  * Data common to one or more virtual AP's.  State shared by
  100  * the underlying device and the net80211 layer is exposed here;
  101  * e.g. device-specific callbacks.
  102  */
  103 struct ieee80211vap;
  104 typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
  105 
  106 struct ieee80211_appie {
  107         uint16_t                ie_len;         /* size of ie_data */
  108         uint8_t                 ie_data[];      /* user-specified IE's */
  109 };
  110 
  111 struct ieee80211_tdma_param;
  112 struct ieee80211_rate_table;
  113 struct ieee80211_tx_ampdu;
  114 struct ieee80211_rx_ampdu;
  115 struct ieee80211_superg;
  116 struct ieee80211_frame;
  117 
  118 struct ieee80211com {
  119         struct ifnet            *ic_ifp;        /* associated device */
  120         ieee80211_com_lock_t    ic_comlock;     /* state update lock */
  121         TAILQ_HEAD(, ieee80211vap) ic_vaps;     /* list of vap instances */
  122         int                     ic_headroom;    /* driver tx headroom needs */
  123         enum ieee80211_phytype  ic_phytype;     /* XXX wrong for multi-mode */
  124         enum ieee80211_opmode   ic_opmode;      /* operation mode */
  125         struct ifmedia          ic_media;       /* interface media config */
  126         struct callout          ic_inact;       /* inactivity processing */
  127         struct taskqueue        *ic_tq;         /* deferred state thread */
  128         struct task             ic_parent_task; /* deferred parent processing */
  129         struct task             ic_promisc_task;/* deferred promisc update */
  130         struct task             ic_mcast_task;  /* deferred mcast update */
  131         struct task             ic_chan_task;   /* deferred channel change */
  132         struct task             ic_bmiss_task;  /* deferred beacon miss hndlr */
  133 
  134         uint32_t                ic_flags;       /* state flags */
  135         uint32_t                ic_flags_ext;   /* extended state flags */
  136         uint32_t                ic_flags_ht;    /* HT state flags */
  137         uint32_t                ic_flags_ven;   /* vendor state flags */
  138         uint32_t                ic_caps;        /* capabilities */
  139         uint32_t                ic_htcaps;      /* HT capabilities */
  140         uint32_t                ic_htextcaps;   /* HT extended capabilities */
  141         uint32_t                ic_cryptocaps;  /* crypto capabilities */
  142         uint8_t                 ic_modecaps[2]; /* set of mode capabilities */
  143         uint8_t                 ic_promisc;     /* vap's needing promisc mode */
  144         uint8_t                 ic_allmulti;    /* vap's needing all multicast*/
  145         uint8_t                 ic_nrunning;    /* vap's marked running */
  146         uint8_t                 ic_curmode;     /* current mode */
  147         uint16_t                ic_bintval;     /* beacon interval */
  148         uint16_t                ic_lintval;     /* listen interval */
  149         uint16_t                ic_holdover;    /* PM hold over duration */
  150         uint16_t                ic_txpowlimit;  /* global tx power limit */
  151         struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
  152 
  153         /*
  154          * Channel state:
  155          *
  156          * ic_channels is the set of available channels for the device;
  157          *    it is setup by the driver
  158          * ic_nchans is the number of valid entries in ic_channels
  159          * ic_chan_avail is a bit vector of these channels used to check
  160          *    whether a channel is available w/o searching the channel table.
  161          * ic_chan_active is a (potentially) constrained subset of
  162          *    ic_chan_avail that reflects any mode setting or user-specified
  163          *    limit on the set of channels to use/scan
  164          * ic_curchan is the current channel the device is set to; it may
  165          *    be different from ic_bsschan when we are off-channel scanning
  166          *    or otherwise doing background work
  167          * ic_bsschan is the channel selected for operation; it may
  168          *    be undefined (IEEE80211_CHAN_ANYC)
  169          * ic_prevchan is a cached ``previous channel'' used to optimize
  170          *    lookups when switching back+forth between two channels
  171          *    (e.g. for dynamic turbo)
  172          */
  173         int                     ic_nchans;      /* # entries in ic_channels */
  174         struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
  175         uint8_t                 ic_chan_avail[IEEE80211_CHAN_BYTES];
  176         uint8_t                 ic_chan_active[IEEE80211_CHAN_BYTES];
  177         uint8_t                 ic_chan_scan[IEEE80211_CHAN_BYTES];
  178         struct ieee80211_channel *ic_curchan;   /* current channel */
  179         const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
  180         struct ieee80211_channel *ic_bsschan;   /* bss channel */
  181         struct ieee80211_channel *ic_prevchan;  /* previous channel */
  182         struct ieee80211_regdomain ic_regdomain;/* regulatory data */
  183         struct ieee80211_appie  *ic_countryie;  /* calculated country ie */
  184         struct ieee80211_channel *ic_countryie_chan;
  185 
  186         /* 802.11h/DFS state */
  187         struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
  188         short                   ic_csa_mode;    /* mode for doing CSA */
  189         short                   ic_csa_count;   /* count for doing CSA */
  190         struct ieee80211_dfs_state ic_dfs;      /* DFS state */
  191 
  192         struct ieee80211_scan_state *ic_scan;   /* scan state */
  193         int                     ic_lastdata;    /* time of last data frame */
  194         int                     ic_lastscan;    /* time last scan completed */
  195 
  196         /* NB: this is the union of all vap stations/neighbors */
  197         int                     ic_max_keyix;   /* max h/w key index */
  198         struct ieee80211_node_table ic_sta;     /* stations/neighbors */
  199         struct ieee80211_ageq   ic_stageq;      /* frame staging queue */
  200         uint32_t                ic_hash_key;    /* random key for mac hash */
  201 
  202         /* XXX multi-bss: split out common/vap parts */
  203         struct ieee80211_wme_state ic_wme;      /* WME/WMM state */
  204 
  205         /* XXX multi-bss: can per-vap be done/make sense? */
  206         enum ieee80211_protmode ic_protmode;    /* 802.11g protection mode */
  207         uint16_t                ic_nonerpsta;   /* # non-ERP stations */
  208         uint16_t                ic_longslotsta; /* # long slot time stations */
  209         uint16_t                ic_sta_assoc;   /* stations associated */
  210         uint16_t                ic_ht_sta_assoc;/* HT stations associated */
  211         uint16_t                ic_ht40_sta_assoc;/* HT40 stations associated */
  212         uint8_t                 ic_curhtprotmode;/* HTINFO bss state */
  213         enum ieee80211_protmode ic_htprotmode;  /* HT protection mode */
  214         int                     ic_lastnonerp;  /* last time non-ERP sta noted*/
  215         int                     ic_lastnonht;   /* last time non-HT sta noted */
  216         uint8_t                 ic_rxstream;    /* # RX streams */
  217         uint8_t                 ic_txstream;    /* # TX streams */
  218 
  219         /* optional state for Atheros SuperG protocol extensions */
  220         struct ieee80211_superg *ic_superg;
  221 
  222         /* radiotap handling */
  223         struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
  224         void                    *ic_txchan;     /* channel state in ic_th */
  225         struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
  226         void                    *ic_rxchan;     /* channel state in ic_rh */
  227         int                     ic_montaps;     /* active monitor mode taps */
  228 
  229         /* virtual ap create/delete */
  230         struct ieee80211vap*    (*ic_vap_create)(struct ieee80211com *,
  231                                     const char name[IFNAMSIZ], int unit,
  232                                     int opmode, int flags,
  233                                     const uint8_t bssid[IEEE80211_ADDR_LEN],
  234                                     const uint8_t macaddr[IEEE80211_ADDR_LEN]);
  235         void                    (*ic_vap_delete)(struct ieee80211vap *);
  236         /* operating mode attachment */
  237         ieee80211vap_attach     ic_vattach[IEEE80211_OPMODE_MAX];
  238         /* return hardware/radio capabilities */
  239         void                    (*ic_getradiocaps)(struct ieee80211com *,
  240                                     int, int *, struct ieee80211_channel []);
  241         /* check and/or prepare regdomain state change */
  242         int                     (*ic_setregdomain)(struct ieee80211com *,
  243                                     struct ieee80211_regdomain *,
  244                                     int, struct ieee80211_channel []);
  245         /* send/recv 802.11 management frame */
  246         int                     (*ic_send_mgmt)(struct ieee80211_node *,
  247                                      int, int);
  248         /* send raw 802.11 frame */
  249         int                     (*ic_raw_xmit)(struct ieee80211_node *,
  250                                     struct mbuf *,
  251                                     const struct ieee80211_bpf_params *);
  252         /* update device state for 802.11 slot time change */
  253         void                    (*ic_updateslot)(struct ifnet *);
  254         /* handle multicast state changes */
  255         void                    (*ic_update_mcast)(struct ifnet *);
  256         /* handle promiscuous mode changes */
  257         void                    (*ic_update_promisc)(struct ifnet *);
  258         /* new station association callback/notification */
  259         void                    (*ic_newassoc)(struct ieee80211_node *, int);
  260         /* TDMA update notification */
  261         void                    (*ic_tdma_update)(struct ieee80211_node *,
  262                                     const struct ieee80211_tdma_param *, int);
  263         /* node state management */
  264         struct ieee80211_node*  (*ic_node_alloc)(struct ieee80211vap *,
  265                                     const uint8_t [IEEE80211_ADDR_LEN]);
  266         void                    (*ic_node_free)(struct ieee80211_node *);
  267         void                    (*ic_node_cleanup)(struct ieee80211_node *);
  268         void                    (*ic_node_age)(struct ieee80211_node *);
  269         void                    (*ic_node_drain)(struct ieee80211_node *);
  270         int8_t                  (*ic_node_getrssi)(const struct ieee80211_node*);
  271         void                    (*ic_node_getsignal)(const struct ieee80211_node*,
  272                                     int8_t *, int8_t *);
  273         void                    (*ic_node_getmimoinfo)(
  274                                     const struct ieee80211_node*,
  275                                     struct ieee80211_mimo_info *);
  276         /* scanning support */
  277         void                    (*ic_scan_start)(struct ieee80211com *);
  278         void                    (*ic_scan_end)(struct ieee80211com *);
  279         void                    (*ic_set_channel)(struct ieee80211com *);
  280         void                    (*ic_scan_curchan)(struct ieee80211_scan_state *,
  281                                     unsigned long);
  282         void                    (*ic_scan_mindwell)(struct ieee80211_scan_state *);
  283 
  284         /*
  285          * 802.11n ADDBA support.  A simple/generic implementation
  286          * of A-MPDU tx aggregation is provided; the driver may
  287          * override these methods to provide their own support.
  288          * A-MPDU rx re-ordering happens automatically if the
  289          * driver passes out-of-order frames to ieee80211_input
  290          * from an assocated HT station.
  291          */
  292         int                     (*ic_recv_action)(struct ieee80211_node *,
  293                                     const struct ieee80211_frame *,
  294                                     const uint8_t *frm, const uint8_t *efrm);
  295         int                     (*ic_send_action)(struct ieee80211_node *,
  296                                     int category, int action, void *);
  297         /* check if A-MPDU should be enabled this station+ac */
  298         int                     (*ic_ampdu_enable)(struct ieee80211_node *,
  299                                     struct ieee80211_tx_ampdu *);
  300         /* start/stop doing A-MPDU tx aggregation for a station */
  301         int                     (*ic_addba_request)(struct ieee80211_node *,
  302                                     struct ieee80211_tx_ampdu *,
  303                                     int dialogtoken, int baparamset,
  304                                     int batimeout);
  305         int                     (*ic_addba_response)(struct ieee80211_node *,
  306                                     struct ieee80211_tx_ampdu *,
  307                                     int status, int baparamset, int batimeout);
  308         void                    (*ic_addba_stop)(struct ieee80211_node *,
  309                                     struct ieee80211_tx_ampdu *);
  310         void                    (*ic_addba_response_timeout)(struct ieee80211_node *,
  311                                     struct ieee80211_tx_ampdu *);
  312         /* BAR response received */
  313         void                    (*ic_bar_response)(struct ieee80211_node *,
  314                                     struct ieee80211_tx_ampdu *, int status);
  315         /* start/stop doing A-MPDU rx processing for a station */
  316         int                     (*ic_ampdu_rx_start)(struct ieee80211_node *,
  317                                     struct ieee80211_rx_ampdu *, int baparamset,
  318                                     int batimeout, int baseqctl);
  319         void                    (*ic_ampdu_rx_stop)(struct ieee80211_node *,
  320                                     struct ieee80211_rx_ampdu *);
  321         uint64_t                ic_spare[7];
  322 };
  323 
  324 struct ieee80211_aclator;
  325 struct ieee80211_tdma_state;
  326 struct ieee80211_mesh_state;
  327 struct ieee80211_hwmp_state;
  328 
  329 struct ieee80211vap {
  330         struct ifmedia          iv_media;       /* interface media config */
  331         struct ifnet            *iv_ifp;        /* associated device */
  332         struct bpf_if           *iv_rawbpf;     /* packet filter structure */
  333         struct sysctl_ctx_list  *iv_sysctl;     /* dynamic sysctl context */
  334         struct sysctl_oid       *iv_oid;        /* net.wlan.X sysctl oid */
  335 
  336         TAILQ_ENTRY(ieee80211vap) iv_next;      /* list of vap instances */
  337         struct ieee80211com     *iv_ic;         /* back ptr to common state */
  338         uint32_t                iv_debug;       /* debug msg flags */
  339         struct ieee80211_stats  iv_stats;       /* statistics */
  340 
  341         uint8_t                 iv_myaddr[IEEE80211_ADDR_LEN];
  342         uint32_t                iv_flags;       /* state flags */
  343         uint32_t                iv_flags_ext;   /* extended state flags */
  344         uint32_t                iv_flags_ht;    /* HT state flags */
  345         uint32_t                iv_flags_ven;   /* vendor state flags */
  346         uint32_t                iv_caps;        /* capabilities */
  347         uint32_t                iv_htcaps;      /* HT capabilities */
  348         uint32_t                iv_htextcaps;   /* HT extended capabilities */
  349         enum ieee80211_opmode   iv_opmode;      /* operation mode */
  350         enum ieee80211_state    iv_state;       /* state machine state */
  351         enum ieee80211_state    iv_nstate;      /* pending state */
  352         int                     iv_nstate_arg;  /* pending state arg */
  353         struct task             iv_nstate_task; /* deferred state processing */
  354         struct task             iv_swbmiss_task;/* deferred iv_bmiss call */
  355         struct callout          iv_mgtsend;     /* mgmt frame response timer */
  356                                                 /* inactivity timer settings */
  357         int                     iv_inact_init;  /* setting for new station */
  358         int                     iv_inact_auth;  /* auth but not assoc setting */
  359         int                     iv_inact_run;   /* authorized setting */
  360         int                     iv_inact_probe; /* inactive probe time */
  361 
  362         int                     iv_des_nssid;   /* # desired ssids */
  363         struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
  364         uint8_t                 iv_des_bssid[IEEE80211_ADDR_LEN];
  365         struct ieee80211_channel *iv_des_chan;  /* desired channel */
  366         uint16_t                iv_des_mode;    /* desired mode */
  367         int                     iv_nicknamelen; /* XXX junk */
  368         uint8_t                 iv_nickname[IEEE80211_NWID_LEN];
  369         u_int                   iv_bgscanidle;  /* bg scan idle threshold */
  370         u_int                   iv_bgscanintvl; /* bg scan min interval */
  371         u_int                   iv_scanvalid;   /* scan cache valid threshold */
  372         u_int                   iv_scanreq_duration;
  373         u_int                   iv_scanreq_mindwell;
  374         u_int                   iv_scanreq_maxdwell;
  375         uint16_t                iv_scanreq_flags;/* held scan request params */
  376         uint8_t                 iv_scanreq_nssid;
  377         struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
  378         /* sta-mode roaming state */
  379         enum ieee80211_roamingmode iv_roaming;  /* roaming mode */
  380         struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
  381 
  382         uint8_t                 iv_bmissthreshold;
  383         uint8_t                 iv_bmiss_count; /* current beacon miss count */
  384         int                     iv_bmiss_max;   /* max bmiss before scan */
  385         uint16_t                iv_swbmiss_count;/* beacons in last period */
  386         uint16_t                iv_swbmiss_period;/* s/w bmiss period */
  387         struct callout          iv_swbmiss;     /* s/w beacon miss timer */
  388 
  389         int                     iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */
  390         int                     iv_ampdu_density;/* A-MPDU density */
  391         int                     iv_ampdu_limit; /* A-MPDU tx limit (bytes) */
  392         int                     iv_amsdu_limit; /* A-MSDU tx limit (bytes) */
  393         u_int                   iv_ampdu_mintraffic[WME_NUM_AC];
  394 
  395         uint32_t                *iv_aid_bitmap; /* association id map */
  396         uint16_t                iv_max_aid;
  397         uint16_t                iv_sta_assoc;   /* stations associated */
  398         uint16_t                iv_ps_sta;      /* stations in power save */
  399         uint16_t                iv_ps_pending;  /* ps sta's w/ pending frames */
  400         uint16_t                iv_txseq;       /* mcast xmit seq# space */
  401         uint16_t                iv_tim_len;     /* ic_tim_bitmap size (bytes) */
  402         uint8_t                 *iv_tim_bitmap; /* power-save stations w/ data*/
  403         uint8_t                 iv_dtim_period; /* DTIM period */
  404         uint8_t                 iv_dtim_count;  /* DTIM count from last bcn */
  405                                                 /* set/unset aid pwrsav state */
  406         int                     iv_csa_count;   /* count for doing CSA */
  407 
  408         struct ieee80211_node   *iv_bss;        /* information for this node */
  409         struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
  410         uint16_t                iv_rtsthreshold;
  411         uint16_t                iv_fragthreshold;
  412         int                     iv_inact_timer; /* inactivity timer wait */
  413         /* application-specified IE's to attach to mgt frames */
  414         struct ieee80211_appie  *iv_appie_beacon;
  415         struct ieee80211_appie  *iv_appie_probereq;
  416         struct ieee80211_appie  *iv_appie_proberesp;
  417         struct ieee80211_appie  *iv_appie_assocreq;
  418         struct ieee80211_appie  *iv_appie_assocresp;
  419         struct ieee80211_appie  *iv_appie_wpa;
  420         uint8_t                 *iv_wpa_ie;
  421         uint8_t                 *iv_rsn_ie;
  422         uint16_t                iv_max_keyix;   /* max h/w key index */
  423         ieee80211_keyix         iv_def_txkey;   /* default/group tx key index */
  424         struct ieee80211_key    iv_nw_keys[IEEE80211_WEP_NKID];
  425         int                     (*iv_key_alloc)(struct ieee80211vap *,
  426                                     struct ieee80211_key *,
  427                                     ieee80211_keyix *, ieee80211_keyix *);
  428         int                     (*iv_key_delete)(struct ieee80211vap *, 
  429                                     const struct ieee80211_key *);
  430         int                     (*iv_key_set)(struct ieee80211vap *,
  431                                     const struct ieee80211_key *,
  432                                     const uint8_t mac[IEEE80211_ADDR_LEN]);
  433         void                    (*iv_key_update_begin)(struct ieee80211vap *);
  434         void                    (*iv_key_update_end)(struct ieee80211vap *);
  435 
  436         const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
  437         void                    *iv_ec;         /* private auth state */
  438 
  439         const struct ieee80211_aclator *iv_acl; /* acl glue */
  440         void                    *iv_as;         /* private aclator state */
  441 
  442         const struct ieee80211_ratectl *iv_rate;
  443         void                    *iv_rs;         /* private ratectl state */
  444 
  445         struct ieee80211_tdma_state *iv_tdma;   /* tdma state */
  446         struct ieee80211_mesh_state *iv_mesh;   /* MBSS state */
  447         struct ieee80211_hwmp_state *iv_hwmp;   /* HWMP state */
  448 
  449         /* operate-mode detach hook */
  450         void                    (*iv_opdetach)(struct ieee80211vap *);
  451         /* receive processing */
  452         int                     (*iv_input)(struct ieee80211_node *,
  453                                     struct mbuf *, int, int);
  454         void                    (*iv_recv_mgmt)(struct ieee80211_node *,
  455                                     struct mbuf *, int, int, int);
  456         void                    (*iv_recv_ctl)(struct ieee80211_node *,
  457                                     struct mbuf *, int);
  458         void                    (*iv_deliver_data)(struct ieee80211vap *,
  459                                     struct ieee80211_node *, struct mbuf *);
  460 #if 0
  461         /* send processing */
  462         int                     (*iv_send_mgmt)(struct ieee80211_node *,
  463                                      int, int);
  464 #endif
  465         /* beacon miss processing */
  466         void                    (*iv_bmiss)(struct ieee80211vap *);
  467         /* reset device state after 802.11 parameter/state change */
  468         int                     (*iv_reset)(struct ieee80211vap *, u_long);
  469         /* [schedule] beacon frame update */
  470         void                    (*iv_update_beacon)(struct ieee80211vap *, int);
  471         /* power save handling */
  472         void                    (*iv_update_ps)(struct ieee80211vap *, int);
  473         int                     (*iv_set_tim)(struct ieee80211_node *, int);
  474         /* state machine processing */
  475         int                     (*iv_newstate)(struct ieee80211vap *,
  476                                     enum ieee80211_state, int);
  477         /* 802.3 output method for raw frame xmit */
  478         int                     (*iv_output)(struct ifnet *, struct mbuf *,
  479                                     struct sockaddr *, struct route *);
  480         uint64_t                iv_spare[6];
  481 };
  482 MALLOC_DECLARE(M_80211_VAP);
  483 
  484 #define IEEE80211_ADDR_EQ(a1,a2)        (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
  485 #define IEEE80211_ADDR_COPY(dst,src)    memcpy(dst,src,IEEE80211_ADDR_LEN)
  486 
  487 /* ic_flags/iv_flags */
  488 #define IEEE80211_F_TURBOP      0x00000001      /* CONF: ATH Turbo enabled*/
  489 #define IEEE80211_F_COMP        0x00000002      /* CONF: ATH comp enabled */
  490 #define IEEE80211_F_FF          0x00000004      /* CONF: ATH FF enabled */
  491 #define IEEE80211_F_BURST       0x00000008      /* CONF: bursting enabled */
  492 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
  493 #define IEEE80211_F_PRIVACY     0x00000010      /* CONF: privacy enabled */
  494 #define IEEE80211_F_PUREG       0x00000020      /* CONF: 11g w/o 11b sta's */
  495 #define IEEE80211_F_SCAN        0x00000080      /* STATUS: scanning */
  496 #define IEEE80211_F_ASCAN       0x00000100      /* STATUS: active scan */
  497 #define IEEE80211_F_SIBSS       0x00000200      /* STATUS: start IBSS */
  498 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
  499 #define IEEE80211_F_SHSLOT      0x00000400      /* STATUS: use short slot time*/
  500 #define IEEE80211_F_PMGTON      0x00000800      /* CONF: Power mgmt enable */
  501 #define IEEE80211_F_DESBSSID    0x00001000      /* CONF: des_bssid is set */
  502 #define IEEE80211_F_WME         0x00002000      /* CONF: enable WME use */
  503 #define IEEE80211_F_BGSCAN      0x00004000      /* CONF: bg scan enabled (???)*/
  504 #define IEEE80211_F_SWRETRY     0x00008000      /* CONF: sw tx retry enabled */
  505 #define IEEE80211_F_TXPOW_FIXED 0x00010000      /* TX Power: fixed rate */
  506 #define IEEE80211_F_IBSSON      0x00020000      /* CONF: IBSS creation enable */
  507 #define IEEE80211_F_SHPREAMBLE  0x00040000      /* STATUS: use short preamble */
  508 #define IEEE80211_F_DATAPAD     0x00080000      /* CONF: do alignment pad */
  509 #define IEEE80211_F_USEPROT     0x00100000      /* STATUS: protection enabled */
  510 #define IEEE80211_F_USEBARKER   0x00200000      /* STATUS: use barker preamble*/
  511 #define IEEE80211_F_CSAPENDING  0x00400000      /* STATUS: chan switch pending*/
  512 #define IEEE80211_F_WPA1        0x00800000      /* CONF: WPA enabled */
  513 #define IEEE80211_F_WPA2        0x01000000      /* CONF: WPA2 enabled */
  514 #define IEEE80211_F_WPA         0x01800000      /* CONF: WPA/WPA2 enabled */
  515 #define IEEE80211_F_DROPUNENC   0x02000000      /* CONF: drop unencrypted */
  516 #define IEEE80211_F_COUNTERM    0x04000000      /* CONF: TKIP countermeasures */
  517 #define IEEE80211_F_HIDESSID    0x08000000      /* CONF: hide SSID in beacon */
  518 #define IEEE80211_F_NOBRIDGE    0x10000000      /* CONF: dis. internal bridge */
  519 #define IEEE80211_F_PCF         0x20000000      /* CONF: PCF enabled */
  520 #define IEEE80211_F_DOTH        0x40000000      /* CONF: 11h enabled */
  521 #define IEEE80211_F_DWDS        0x80000000      /* CONF: Dynamic WDS enabled */
  522 
  523 #define IEEE80211_F_BITS \
  524         "\2\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
  525         "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
  526         "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
  527         "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
  528         "\37DOTH\40DWDS"
  529 
  530 /* Atheros protocol-specific flags */
  531 #define IEEE80211_F_ATHEROS \
  532         (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
  533 /* Check if an Atheros capability was negotiated for use */
  534 #define IEEE80211_ATH_CAP(vap, ni, bit) \
  535         ((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
  536 
  537 /* ic_flags_ext/iv_flags_ext */
  538 #define IEEE80211_FEXT_INACT     0x00000002     /* CONF: sta inact handling */
  539 #define IEEE80211_FEXT_SCANWAIT  0x00000004     /* STATUS: awaiting scan */
  540 /* 0x00000006 reserved */
  541 #define IEEE80211_FEXT_BGSCAN    0x00000008     /* STATUS: complete bgscan */
  542 #define IEEE80211_FEXT_WPS       0x00000010     /* CONF: WPS enabled */
  543 #define IEEE80211_FEXT_TSN       0x00000020     /* CONF: TSN enabled */
  544 #define IEEE80211_FEXT_SCANREQ   0x00000040     /* STATUS: scan req params */
  545 #define IEEE80211_FEXT_RESUME    0x00000080     /* STATUS: start on resume */
  546 #define IEEE80211_FEXT_4ADDR     0x00000100     /* CONF: apply 4-addr encap */
  547 #define IEEE80211_FEXT_NONERP_PR 0x00000200     /* STATUS: non-ERP sta present*/
  548 #define IEEE80211_FEXT_SWBMISS   0x00000400     /* CONF: do bmiss in s/w */
  549 #define IEEE80211_FEXT_DFS       0x00000800     /* CONF: DFS enabled */
  550 #define IEEE80211_FEXT_DOTD      0x00001000     /* CONF: 11d enabled */
  551 #define IEEE80211_FEXT_STATEWAIT 0x00002000     /* STATUS: awaiting state chg */
  552 #define IEEE80211_FEXT_REINIT    0x00004000     /* STATUS: INIT state first */
  553 #define IEEE80211_FEXT_BPF       0x00008000     /* STATUS: BPF tap present */
  554 /* NB: immutable: should be set only when creating a vap */
  555 #define IEEE80211_FEXT_WDSLEGACY 0x00010000     /* CONF: legacy WDS operation */
  556 #define IEEE80211_FEXT_PROBECHAN 0x00020000     /* CONF: probe passive channel*/
  557 #define IEEE80211_FEXT_UNIQMAC   0x00040000     /* CONF: user or computed mac */
  558 
  559 #define IEEE80211_FEXT_BITS \
  560         "\2\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
  561         "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
  562         "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC"
  563 
  564 /* ic_flags_ht/iv_flags_ht */
  565 #define IEEE80211_FHT_NONHT_PR   0x00000001     /* STATUS: non-HT sta present */
  566 #define IEEE80211_FHT_GF         0x00040000     /* CONF: Greenfield enabled */
  567 #define IEEE80211_FHT_HT         0x00080000     /* CONF: HT supported */
  568 #define IEEE80211_FHT_AMPDU_TX   0x00100000     /* CONF: A-MPDU tx supported */
  569 #define IEEE80211_FHT_AMPDU_RX   0x00200000     /* CONF: A-MPDU rx supported */
  570 #define IEEE80211_FHT_AMSDU_TX   0x00400000     /* CONF: A-MSDU tx supported */
  571 #define IEEE80211_FHT_AMSDU_RX   0x00800000     /* CONF: A-MSDU rx supported */
  572 #define IEEE80211_FHT_USEHT40    0x01000000     /* CONF: 20/40 use enabled */
  573 #define IEEE80211_FHT_PUREN      0x02000000     /* CONF: 11n w/o legacy sta's */
  574 #define IEEE80211_FHT_SHORTGI20  0x04000000     /* CONF: short GI in HT20 */
  575 #define IEEE80211_FHT_SHORTGI40  0x08000000     /* CONF: short GI in HT40 */
  576 #define IEEE80211_FHT_HTCOMPAT   0x10000000     /* CONF: HT vendor OUI's */
  577 #define IEEE80211_FHT_RIFS       0x20000000     /* CONF: RIFS enabled */
  578 #define IEEE80211_FHT_STBC_TX    0x40000000     /* CONF: STBC tx enabled */
  579 #define IEEE80211_FHT_STBC_RX    0x80000000     /* CONF: STBC rx enabled */
  580 
  581 #define IEEE80211_FHT_BITS \
  582         "\2\1NONHT_PR" \
  583         "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
  584         "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
  585         "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
  586 
  587 #define IEEE80211_FVEN_BITS     "\2"
  588 
  589 /* ic_caps/iv_caps: device driver capabilities */
  590 /* 0x2e available */
  591 #define IEEE80211_C_STA         0x00000001      /* CAPABILITY: STA available */
  592 #define IEEE80211_C_8023ENCAP   0x00000002      /* CAPABILITY: 802.3 encap */
  593 #define IEEE80211_C_FF          0x00000040      /* CAPABILITY: ATH FF avail */
  594 #define IEEE80211_C_TURBOP      0x00000080      /* CAPABILITY: ATH Turbo avail*/
  595 #define IEEE80211_C_IBSS        0x00000100      /* CAPABILITY: IBSS available */
  596 #define IEEE80211_C_PMGT        0x00000200      /* CAPABILITY: Power mgmt */
  597 #define IEEE80211_C_HOSTAP      0x00000400      /* CAPABILITY: HOSTAP avail */
  598 #define IEEE80211_C_AHDEMO      0x00000800      /* CAPABILITY: Old Adhoc Demo */
  599 #define IEEE80211_C_SWRETRY     0x00001000      /* CAPABILITY: sw tx retry */
  600 #define IEEE80211_C_TXPMGT      0x00002000      /* CAPABILITY: tx power mgmt */
  601 #define IEEE80211_C_SHSLOT      0x00004000      /* CAPABILITY: short slottime */
  602 #define IEEE80211_C_SHPREAMBLE  0x00008000      /* CAPABILITY: short preamble */
  603 #define IEEE80211_C_MONITOR     0x00010000      /* CAPABILITY: monitor mode */
  604 #define IEEE80211_C_DFS         0x00020000      /* CAPABILITY: DFS/radar avail*/
  605 #define IEEE80211_C_MBSS        0x00040000      /* CAPABILITY: MBSS available */
  606 /* 0x7c0000 available */
  607 #define IEEE80211_C_WPA1        0x00800000      /* CAPABILITY: WPA1 avail */
  608 #define IEEE80211_C_WPA2        0x01000000      /* CAPABILITY: WPA2 avail */
  609 #define IEEE80211_C_WPA         0x01800000      /* CAPABILITY: WPA1+WPA2 avail*/
  610 #define IEEE80211_C_BURST       0x02000000      /* CAPABILITY: frame bursting */
  611 #define IEEE80211_C_WME         0x04000000      /* CAPABILITY: WME avail */
  612 #define IEEE80211_C_WDS         0x08000000      /* CAPABILITY: 4-addr support */
  613 /* 0x10000000 reserved */
  614 #define IEEE80211_C_BGSCAN      0x20000000      /* CAPABILITY: bg scanning */
  615 #define IEEE80211_C_TXFRAG      0x40000000      /* CAPABILITY: tx fragments */
  616 #define IEEE80211_C_TDMA        0x80000000      /* CAPABILITY: TDMA avail */
  617 /* XXX protection/barker? */
  618 
  619 #define IEEE80211_C_OPMODE \
  620         (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
  621          IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
  622          IEEE80211_C_TDMA | IEEE80211_C_MBSS)
  623 
  624 #define IEEE80211_C_BITS \
  625         "\2\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
  626         "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
  627         "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
  628         "\37TXFRAG\40TDMA"
  629 
  630 /*
  631  * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
  632  *
  633  * NB: the low 16-bits are the 802.11 definitions, the upper
  634  *     16-bits are used to define s/w/driver capabilities.
  635  */
  636 #define IEEE80211_HTC_AMPDU     0x00010000      /* CAPABILITY: A-MPDU tx */
  637 #define IEEE80211_HTC_AMSDU     0x00020000      /* CAPABILITY: A-MSDU tx */
  638 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
  639 #define IEEE80211_HTC_HT        0x00040000      /* CAPABILITY: HT operation */
  640 #define IEEE80211_HTC_SMPS      0x00080000      /* CAPABILITY: MIMO power save*/
  641 #define IEEE80211_HTC_RIFS      0x00100000      /* CAPABILITY: RIFS support */
  642 #define IEEE80211_HTC_RXUNEQUAL 0x00200000      /* CAPABILITY: RX unequal MCS */
  643 #define IEEE80211_HTC_RXMCS32   0x00400000      /* CAPABILITY: MCS32 support */
  644 #define IEEE80211_HTC_TXUNEQUAL 0x00800000      /* CAPABILITY: TX unequal MCS */
  645 #define IEEE80211_HTC_TXMCS32   0x01000000      /* CAPABILITY: MCS32 suport */
  646 
  647 #define IEEE80211_C_HTCAP_BITS \
  648         "\2\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
  649         "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
  650 
  651 void    ieee80211_ifattach(struct ieee80211com *,
  652                 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
  653 void    ieee80211_ifdetach(struct ieee80211com *);
  654 int     ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
  655                 const char name[IFNAMSIZ], int unit, int opmode, int flags,
  656                 const uint8_t bssid[IEEE80211_ADDR_LEN],
  657                 const uint8_t macaddr[IEEE80211_ADDR_LEN]);
  658 int     ieee80211_vap_attach(struct ieee80211vap *,
  659                 ifm_change_cb_t, ifm_stat_cb_t);
  660 void    ieee80211_vap_detach(struct ieee80211vap *);
  661 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
  662                 const struct ieee80211_channel *);
  663 void    ieee80211_announce(struct ieee80211com *);
  664 void    ieee80211_announce_channels(struct ieee80211com *);
  665 void    ieee80211_drain(struct ieee80211com *);
  666 void    ieee80211_media_init(struct ieee80211com *);
  667 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
  668 int     ieee80211_media_change(struct ifnet *);
  669 void    ieee80211_media_status(struct ifnet *, struct ifmediareq *);
  670 int     ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
  671 int     ieee80211_rate2media(struct ieee80211com *, int,
  672                 enum ieee80211_phymode);
  673 int     ieee80211_media2rate(int);
  674 int     ieee80211_mhz2ieee(u_int, u_int);
  675 int     ieee80211_chan2ieee(struct ieee80211com *,
  676                 const struct ieee80211_channel *);
  677 u_int   ieee80211_ieee2mhz(u_int, u_int);
  678 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
  679                 int freq, int flags);
  680 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
  681                 int ieee, int flags);
  682 int     ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
  683 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
  684 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
  685                 const uint8_t addr[IEEE80211_ADDR_LEN]);
  686 
  687 void    ieee80211_radiotap_attach(struct ieee80211com *,
  688             struct ieee80211_radiotap_header *th, int tlen,
  689                 uint32_t tx_radiotap,
  690             struct ieee80211_radiotap_header *rh, int rlen,
  691                 uint32_t rx_radiotap);
  692 void    ieee80211_radiotap_detach(struct ieee80211com *);
  693 void    ieee80211_radiotap_vattach(struct ieee80211vap *);
  694 void    ieee80211_radiotap_vdetach(struct ieee80211vap *);
  695 void    ieee80211_radiotap_chan_change(struct ieee80211com *);
  696 void    ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
  697 void    ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
  698 void    ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
  699 
  700 static __inline int
  701 ieee80211_radiotap_active(const struct ieee80211com *ic)
  702 {
  703         return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
  704 }
  705 
  706 static __inline int
  707 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
  708 {
  709         return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
  710             vap->iv_ic->ic_montaps != 0;
  711 }
  712 
  713 /*
  714  * Enqueue a task on the state thread.
  715  */
  716 static __inline void
  717 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
  718 {
  719         taskqueue_enqueue(ic->ic_tq, task);
  720 }
  721 
  722 /*
  723  * Wait for a queued task to complete.
  724  */
  725 static __inline void
  726 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
  727 {
  728         taskqueue_drain(ic->ic_tq, task);
  729 }
  730 
  731 /* 
  732  * Key update synchronization methods.  XXX should not be visible.
  733  */
  734 static __inline void
  735 ieee80211_key_update_begin(struct ieee80211vap *vap)
  736 {
  737         vap->iv_key_update_begin(vap);
  738 }
  739 static __inline void
  740 ieee80211_key_update_end(struct ieee80211vap *vap)
  741 {
  742         vap->iv_key_update_end(vap);
  743 }
  744 
  745 /*
  746  * XXX these need to be here for IEEE80211_F_DATAPAD
  747  */
  748 
  749 /*
  750  * Return the space occupied by the 802.11 header and any
  751  * padding required by the driver.  This works for a
  752  * management or data frame.
  753  */
  754 static __inline int
  755 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
  756 {
  757         int size = ieee80211_hdrsize(data);
  758         if (ic->ic_flags & IEEE80211_F_DATAPAD)
  759                 size = roundup(size, sizeof(uint32_t));
  760         return size;
  761 }
  762 
  763 /*
  764  * Like ieee80211_hdrspace, but handles any type of frame.
  765  */
  766 static __inline int
  767 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
  768 {
  769         int size = ieee80211_anyhdrsize(data);
  770         if (ic->ic_flags & IEEE80211_F_DATAPAD)
  771                 size = roundup(size, sizeof(uint32_t));
  772         return size;
  773 }
  774 
  775 /*
  776  * Notify a vap that beacon state has been updated.
  777  */
  778 static __inline void
  779 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
  780 {
  781         if (vap->iv_state == IEEE80211_S_RUN)
  782                 vap->iv_update_beacon(vap, what);
  783 }
  784 
  785 /*
  786  * Calculate HT channel promotion flags for a channel.
  787  * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
  788  */
  789 static __inline int
  790 ieee80211_htchanflags(const struct ieee80211_channel *c)
  791 {
  792         return IEEE80211_IS_CHAN_HT40(c) ?
  793             IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
  794             IEEE80211_IS_CHAN_HT(c) ?  IEEE80211_FHT_HT : 0;
  795 }
  796 
  797 /*
  798  * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
  799  *
  800  * The intent is that any problem in the net80211 layer can be
  801  * diagnosed by inspecting the statistics (dumped by the wlanstats
  802  * program) and/or the msgs generated by net80211.  Messages are
  803  * broken into functional classes and can be controlled with the
  804  * wlandebug program.  Certain of these msg groups are for facilities
  805  * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
  806  */
  807 #define IEEE80211_MSG_11N       0x80000000      /* 11n mode debug */
  808 #define IEEE80211_MSG_DEBUG     0x40000000      /* IFF_DEBUG equivalent */
  809 #define IEEE80211_MSG_DUMPPKTS  0x20000000      /* IFF_LINK2 equivalant */
  810 #define IEEE80211_MSG_CRYPTO    0x10000000      /* crypto work */
  811 #define IEEE80211_MSG_INPUT     0x08000000      /* input handling */
  812 #define IEEE80211_MSG_XRATE     0x04000000      /* rate set handling */
  813 #define IEEE80211_MSG_ELEMID    0x02000000      /* element id parsing */
  814 #define IEEE80211_MSG_NODE      0x01000000      /* node handling */
  815 #define IEEE80211_MSG_ASSOC     0x00800000      /* association handling */
  816 #define IEEE80211_MSG_AUTH      0x00400000      /* authentication handling */
  817 #define IEEE80211_MSG_SCAN      0x00200000      /* scanning */
  818 #define IEEE80211_MSG_OUTPUT    0x00100000      /* output handling */
  819 #define IEEE80211_MSG_STATE     0x00080000      /* state machine */
  820 #define IEEE80211_MSG_POWER     0x00040000      /* power save handling */
  821 #define IEEE80211_MSG_HWMP      0x00020000      /* hybrid mesh protocol */
  822 #define IEEE80211_MSG_DOT1XSM   0x00010000      /* 802.1x state machine */
  823 #define IEEE80211_MSG_RADIUS    0x00008000      /* 802.1x radius client */
  824 #define IEEE80211_MSG_RADDUMP   0x00004000      /* dump 802.1x radius packets */
  825 #define IEEE80211_MSG_MESH      0x00002000      /* mesh networking */
  826 #define IEEE80211_MSG_WPA       0x00001000      /* WPA/RSN protocol */
  827 #define IEEE80211_MSG_ACL       0x00000800      /* ACL handling */
  828 #define IEEE80211_MSG_WME       0x00000400      /* WME protocol */
  829 #define IEEE80211_MSG_SUPERG    0x00000200      /* Atheros SuperG protocol */
  830 #define IEEE80211_MSG_DOTH      0x00000100      /* 802.11h support */
  831 #define IEEE80211_MSG_INACT     0x00000080      /* inactivity handling */
  832 #define IEEE80211_MSG_ROAM      0x00000040      /* sta-mode roaming */
  833 #define IEEE80211_MSG_RATECTL   0x00000020      /* tx rate control */
  834 #define IEEE80211_MSG_ACTION    0x00000010      /* action frame handling */
  835 #define IEEE80211_MSG_WDS       0x00000008      /* WDS handling */
  836 #define IEEE80211_MSG_IOCTL     0x00000004      /* ioctl handling */
  837 #define IEEE80211_MSG_TDMA      0x00000002      /* TDMA handling */
  838 
  839 #define IEEE80211_MSG_ANY       0xffffffff      /* anything */
  840 
  841 #define IEEE80211_MSG_BITS \
  842         "\2\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
  843         "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
  844         "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
  845         "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
  846 
  847 #ifdef IEEE80211_DEBUG
  848 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m))
  849 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do {                     \
  850         if (ieee80211_msg(_vap, _m))                                    \
  851                 ieee80211_note(_vap, _fmt, __VA_ARGS__);                \
  852 } while (0)
  853 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do {                   \
  854         if (ieee80211_msg(_vap, _m))                                    \
  855                 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
  856 } while (0)
  857 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do {              \
  858         if (ieee80211_msg(_vap, _m))                                    \
  859                 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__);      \
  860 } while (0)
  861 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do {             \
  862         if (ieee80211_msg(_vap, _m))                                    \
  863                 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__);     \
  864 } while (0)
  865 void    ieee80211_note(const struct ieee80211vap *, const char *, ...);
  866 void    ieee80211_note_mac(const struct ieee80211vap *,
  867                 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
  868 void    ieee80211_note_frame(const struct ieee80211vap *,
  869                 const struct ieee80211_frame *, const char *, ...);
  870 #define ieee80211_msg_debug(_vap) \
  871         ((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
  872 #define ieee80211_msg_dumppkts(_vap) \
  873         ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
  874 #define ieee80211_msg_input(_vap) \
  875         ((_vap)->iv_debug & IEEE80211_MSG_INPUT)
  876 #define ieee80211_msg_radius(_vap) \
  877         ((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
  878 #define ieee80211_msg_dumpradius(_vap) \
  879         ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
  880 #define ieee80211_msg_dumpradkeys(_vap) \
  881         ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
  882 #define ieee80211_msg_scan(_vap) \
  883         ((_vap)->iv_debug & IEEE80211_MSG_SCAN)
  884 #define ieee80211_msg_assoc(_vap) \
  885         ((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
  886 
  887 /*
  888  * Emit a debug message about discarding a frame or information
  889  * element.  One format is for extracting the mac address from
  890  * the frame header; the other is for when a header is not
  891  * available or otherwise appropriate.
  892  */
  893 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do {         \
  894         if ((_vap)->iv_debug & (_m))                                    \
  895                 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
  896 } while (0)
  897 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do {      \
  898         if ((_vap)->iv_debug & (_m))                                    \
  899                 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
  900 } while (0)
  901 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do {    \
  902         if ((_vap)->iv_debug & (_m))                                    \
  903                 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
  904 } while (0)
  905 
  906 void ieee80211_discard_frame(const struct ieee80211vap *,
  907         const struct ieee80211_frame *, const char *type, const char *fmt, ...);
  908 void ieee80211_discard_ie(const struct ieee80211vap *,
  909         const struct ieee80211_frame *, const char *type, const char *fmt, ...);
  910 void ieee80211_discard_mac(const struct ieee80211vap *,
  911         const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
  912         const char *fmt, ...);
  913 #else
  914 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
  915 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
  916 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
  917 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
  918 #define ieee80211_msg_dumppkts(_vap)    0
  919 #define ieee80211_msg(_vap, _m)         0
  920 
  921 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
  922 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
  923 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
  924 #endif
  925 
  926 #endif /* _NET80211_IEEE80211_VAR_H_ */

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