The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_ioctl.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2001 Atsushi Onoe
    5  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   27  *
   28  * $FreeBSD: head/sys/net80211/ieee80211_ioctl.h 326272 2017-11-27 15:23:17Z pfg $
   29  */
   30 #ifndef _NET80211_IEEE80211_IOCTL_H_
   31 #define _NET80211_IEEE80211_IOCTL_H_
   32 
   33 /*
   34  * IEEE 802.11 ioctls.
   35  */
   36 #include <net80211/_ieee80211.h>
   37 #include <net80211/ieee80211.h>
   38 #include <net80211/ieee80211_crypto.h>
   39 
   40 /*
   41  * Per/node (station) statistics.
   42  */
   43 struct ieee80211_nodestats {
   44         uint32_t        ns_rx_data;             /* rx data frames */
   45         uint32_t        ns_rx_mgmt;             /* rx management frames */
   46         uint32_t        ns_rx_ctrl;             /* rx control frames */
   47         uint32_t        ns_rx_ucast;            /* rx unicast frames */
   48         uint32_t        ns_rx_mcast;            /* rx multi/broadcast frames */
   49         uint64_t        ns_rx_bytes;            /* rx data count (bytes) */
   50         uint64_t        ns_rx_beacons;          /* rx beacon frames */
   51         uint32_t        ns_rx_proberesp;        /* rx probe response frames */
   52 
   53         uint32_t        ns_rx_dup;              /* rx discard 'cuz dup */
   54         uint32_t        ns_rx_noprivacy;        /* rx w/ wep but privacy off */
   55         uint32_t        ns_rx_wepfail;          /* rx wep processing failed */
   56         uint32_t        ns_rx_demicfail;        /* rx demic failed */
   57         uint32_t        ns_rx_decap;            /* rx decapsulation failed */
   58         uint32_t        ns_rx_defrag;           /* rx defragmentation failed */
   59         uint32_t        ns_rx_disassoc;         /* rx disassociation */
   60         uint32_t        ns_rx_deauth;           /* rx deauthentication */
   61         uint32_t        ns_rx_action;           /* rx action */
   62         uint32_t        ns_rx_decryptcrc;       /* rx decrypt failed on crc */
   63         uint32_t        ns_rx_unauth;           /* rx on unauthorized port */
   64         uint32_t        ns_rx_unencrypted;      /* rx unecrypted w/ privacy */
   65         uint32_t        ns_rx_drop;             /* rx discard other reason */
   66 
   67         uint32_t        ns_tx_data;             /* tx data frames */
   68         uint32_t        ns_tx_mgmt;             /* tx management frames */
   69         uint32_t        ns_tx_ctrl;             /* tx control frames */
   70         uint32_t        ns_tx_ucast;            /* tx unicast frames */
   71         uint32_t        ns_tx_mcast;            /* tx multi/broadcast frames */
   72         uint64_t        ns_tx_bytes;            /* tx data count (bytes) */
   73         uint32_t        ns_tx_probereq;         /* tx probe request frames */
   74 
   75         uint32_t        ns_tx_novlantag;        /* tx discard 'cuz no tag */
   76         uint32_t        ns_tx_vlanmismatch;     /* tx discard 'cuz bad tag */
   77 
   78         uint32_t        ns_ps_discard;          /* ps discard 'cuz of age */
   79 
   80         /* MIB-related state */
   81         uint32_t        ns_tx_assoc;            /* [re]associations */
   82         uint32_t        ns_tx_assoc_fail;       /* [re]association failures */
   83         uint32_t        ns_tx_auth;             /* [re]authentications */
   84         uint32_t        ns_tx_auth_fail;        /* [re]authentication failures*/
   85         uint32_t        ns_tx_deauth;           /* deauthentications */
   86         uint32_t        ns_tx_deauth_code;      /* last deauth reason */
   87         uint32_t        ns_tx_disassoc;         /* disassociations */
   88         uint32_t        ns_tx_disassoc_code;    /* last disassociation reason */
   89 
   90         /* Hardware A-MSDU decode */
   91         uint32_t        ns_rx_amsdu_more;       /* RX decap A-MSDU, more coming from A-MSDU */
   92         uint32_t        ns_rx_amsdu_more_end;   /* RX decap A-MSDU (or any other frame), no more coming */
   93         uint32_t        ns_spare[6];
   94 };
   95 
   96 /*
   97  * Summary statistics.
   98  */
   99 struct ieee80211_stats {
  100         uint32_t        is_rx_badversion;       /* rx frame with bad version */
  101         uint32_t        is_rx_tooshort;         /* rx frame too short */
  102         uint32_t        is_rx_wrongbss;         /* rx from wrong bssid */
  103         uint32_t        is_rx_dup;              /* rx discard 'cuz dup */
  104         uint32_t        is_rx_wrongdir;         /* rx w/ wrong direction */
  105         uint32_t        is_rx_mcastecho;        /* rx discard 'cuz mcast echo */
  106         uint32_t        is_rx_notassoc;         /* rx discard 'cuz sta !assoc */
  107         uint32_t        is_rx_noprivacy;        /* rx w/ wep but privacy off */
  108         uint32_t        is_rx_unencrypted;      /* rx w/o wep and privacy on */
  109         uint32_t        is_rx_wepfail;          /* rx wep processing failed */
  110         uint32_t        is_rx_decap;            /* rx decapsulation failed */
  111         uint32_t        is_rx_mgtdiscard;       /* rx discard mgt frames */
  112         uint32_t        is_rx_ctl;              /* rx ctrl frames */
  113         uint32_t        is_rx_beacon;           /* rx beacon frames */
  114         uint32_t        is_rx_rstoobig;         /* rx rate set truncated */
  115         uint32_t        is_rx_elem_missing;     /* rx required element missing*/
  116         uint32_t        is_rx_elem_toobig;      /* rx element too big */
  117         uint32_t        is_rx_elem_toosmall;    /* rx element too small */
  118         uint32_t        is_rx_elem_unknown;     /* rx element unknown */
  119         uint32_t        is_rx_badchan;          /* rx frame w/ invalid chan */
  120         uint32_t        is_rx_chanmismatch;     /* rx frame chan mismatch */
  121         uint32_t        is_rx_nodealloc;        /* rx frame dropped */
  122         uint32_t        is_rx_ssidmismatch;     /* rx frame ssid mismatch  */
  123         uint32_t        is_rx_auth_unsupported; /* rx w/ unsupported auth alg */
  124         uint32_t        is_rx_auth_fail;        /* rx sta auth failure */
  125         uint32_t        is_rx_auth_countermeasures;/* rx auth discard 'cuz CM */
  126         uint32_t        is_rx_assoc_bss;        /* rx assoc from wrong bssid */
  127         uint32_t        is_rx_assoc_notauth;    /* rx assoc w/o auth */
  128         uint32_t        is_rx_assoc_capmismatch;/* rx assoc w/ cap mismatch */
  129         uint32_t        is_rx_assoc_norate;     /* rx assoc w/ no rate match */
  130         uint32_t        is_rx_assoc_badwpaie;   /* rx assoc w/ bad WPA IE */
  131         uint32_t        is_rx_deauth;           /* rx deauthentication */
  132         uint32_t        is_rx_disassoc;         /* rx disassociation */
  133         uint32_t        is_rx_badsubtype;       /* rx frame w/ unknown subtype*/
  134         uint32_t        is_rx_nobuf;            /* rx failed for lack of buf */
  135         uint32_t        is_rx_decryptcrc;       /* rx decrypt failed on crc */
  136         uint32_t        is_rx_ahdemo_mgt;       /* rx discard ahdemo mgt frame*/
  137         uint32_t        is_rx_bad_auth;         /* rx bad auth request */
  138         uint32_t        is_rx_unauth;           /* rx on unauthorized port */
  139         uint32_t        is_rx_badkeyid;         /* rx w/ incorrect keyid */
  140         uint32_t        is_rx_ccmpreplay;       /* rx seq# violation (CCMP) */
  141         uint32_t        is_rx_ccmpformat;       /* rx format bad (CCMP) */
  142         uint32_t        is_rx_ccmpmic;          /* rx MIC check failed (CCMP) */
  143         uint32_t        is_rx_tkipreplay;       /* rx seq# violation (TKIP) */
  144         uint32_t        is_rx_tkipformat;       /* rx format bad (TKIP) */
  145         uint32_t        is_rx_tkipmic;          /* rx MIC check failed (TKIP) */
  146         uint32_t        is_rx_tkipicv;          /* rx ICV check failed (TKIP) */
  147         uint32_t        is_rx_badcipher;        /* rx failed 'cuz key type */
  148         uint32_t        is_rx_nocipherctx;      /* rx failed 'cuz key !setup */
  149         uint32_t        is_rx_acl;              /* rx discard 'cuz acl policy */
  150         uint32_t        is_tx_nobuf;            /* tx failed for lack of buf */
  151         uint32_t        is_tx_nonode;           /* tx failed for no node */
  152         uint32_t        is_tx_unknownmgt;       /* tx of unknown mgt frame */
  153         uint32_t        is_tx_badcipher;        /* tx failed 'cuz key type */
  154         uint32_t        is_tx_nodefkey;         /* tx failed 'cuz no defkey */
  155         uint32_t        is_tx_noheadroom;       /* tx failed 'cuz no space */
  156         uint32_t        is_tx_fragframes;       /* tx frames fragmented */
  157         uint32_t        is_tx_frags;            /* tx fragments created */
  158         uint32_t        is_scan_active;         /* active scans started */
  159         uint32_t        is_scan_passive;        /* passive scans started */
  160         uint32_t        is_node_timeout;        /* nodes timed out inactivity */
  161         uint32_t        is_crypto_nomem;        /* no memory for crypto ctx */
  162         uint32_t        is_crypto_tkip;         /* tkip crypto done in s/w */
  163         uint32_t        is_crypto_tkipenmic;    /* tkip en-MIC done in s/w */
  164         uint32_t        is_crypto_tkipdemic;    /* tkip de-MIC done in s/w */
  165         uint32_t        is_crypto_tkipcm;       /* tkip counter measures */
  166         uint32_t        is_crypto_ccmp;         /* ccmp crypto done in s/w */
  167         uint32_t        is_crypto_wep;          /* wep crypto done in s/w */
  168         uint32_t        is_crypto_setkey_cipher;/* cipher rejected key */
  169         uint32_t        is_crypto_setkey_nokey; /* no key index for setkey */
  170         uint32_t        is_crypto_delkey;       /* driver key delete failed */
  171         uint32_t        is_crypto_badcipher;    /* unknown cipher */
  172         uint32_t        is_crypto_nocipher;     /* cipher not available */
  173         uint32_t        is_crypto_attachfail;   /* cipher attach failed */
  174         uint32_t        is_crypto_swfallback;   /* cipher fallback to s/w */
  175         uint32_t        is_crypto_keyfail;      /* driver key alloc failed */
  176         uint32_t        is_crypto_enmicfail;    /* en-MIC failed */
  177         uint32_t        is_ibss_capmismatch;    /* merge failed-cap mismatch */
  178         uint32_t        is_ibss_norate;         /* merge failed-rate mismatch */
  179         uint32_t        is_ps_unassoc;          /* ps-poll for unassoc. sta */
  180         uint32_t        is_ps_badaid;           /* ps-poll w/ incorrect aid */
  181         uint32_t        is_ps_qempty;           /* ps-poll w/ nothing to send */
  182         uint32_t        is_ff_badhdr;           /* fast frame rx'd w/ bad hdr */
  183         uint32_t        is_ff_tooshort;         /* fast frame rx decap error */
  184         uint32_t        is_ff_split;            /* fast frame rx split error */
  185         uint32_t        is_ff_decap;            /* fast frames decap'd */
  186         uint32_t        is_ff_encap;            /* fast frames encap'd for tx */
  187         uint32_t        is_rx_badbintval;       /* rx frame w/ bogus bintval */
  188         uint32_t        is_rx_demicfail;        /* rx demic failed */
  189         uint32_t        is_rx_defrag;           /* rx defragmentation failed */
  190         uint32_t        is_rx_mgmt;             /* rx management frames */
  191         uint32_t        is_rx_action;           /* rx action mgt frames */
  192         uint32_t        is_amsdu_tooshort;      /* A-MSDU rx decap error */
  193         uint32_t        is_amsdu_split;         /* A-MSDU rx split error */
  194         uint32_t        is_amsdu_decap;         /* A-MSDU decap'd */
  195         uint32_t        is_amsdu_encap;         /* A-MSDU encap'd for tx */
  196         uint32_t        is_ampdu_bar_bad;       /* A-MPDU BAR out of window */
  197         uint32_t        is_ampdu_bar_oow;       /* A-MPDU BAR before ADDBA */
  198         uint32_t        is_ampdu_bar_move;      /* A-MPDU BAR moved window */
  199         uint32_t        is_ampdu_bar_rx;        /* A-MPDU BAR frames handled */
  200         uint32_t        is_ampdu_rx_flush;      /* A-MPDU frames flushed */
  201         uint32_t        is_ampdu_rx_oor;        /* A-MPDU frames out-of-order */
  202         uint32_t        is_ampdu_rx_copy;       /* A-MPDU frames copied down */
  203         uint32_t        is_ampdu_rx_drop;       /* A-MPDU frames dropped */
  204         uint32_t        is_tx_badstate;         /* tx discard state != RUN */
  205         uint32_t        is_tx_notassoc;         /* tx failed, sta not assoc */
  206         uint32_t        is_tx_classify;         /* tx classification failed */
  207         uint32_t        is_dwds_mcast;          /* discard mcast over dwds */
  208         uint32_t        is_dwds_qdrop;          /* dwds pending frame q full */
  209         uint32_t        is_ht_assoc_nohtcap;    /* non-HT sta rejected */
  210         uint32_t        is_ht_assoc_downgrade;  /* HT sta forced to legacy */
  211         uint32_t        is_ht_assoc_norate;     /* HT assoc w/ rate mismatch */
  212         uint32_t        is_ampdu_rx_age;        /* A-MPDU sent up 'cuz of age */
  213         uint32_t        is_ampdu_rx_move;       /* A-MPDU MSDU moved window */
  214         uint32_t        is_addba_reject;        /* ADDBA reject 'cuz disabled */
  215         uint32_t        is_addba_norequest;     /* ADDBA response w/o ADDBA */
  216         uint32_t        is_addba_badtoken;      /* ADDBA response w/ wrong
  217                                                    dialogtoken */
  218         uint32_t        is_addba_badpolicy;     /* ADDBA resp w/ wrong policy */
  219         uint32_t        is_ampdu_stop;          /* A-MPDU stream stopped */
  220         uint32_t        is_ampdu_stop_failed;   /* A-MPDU stream not running */
  221         uint32_t        is_ampdu_rx_reorder;    /* A-MPDU held for rx reorder */
  222         uint32_t        is_scan_bg;             /* background scans started */
  223         uint8_t         is_rx_deauth_code;      /* last rx'd deauth reason */
  224         uint8_t         is_rx_disassoc_code;    /* last rx'd disassoc reason */
  225         uint8_t         is_rx_authfail_code;    /* last rx'd auth fail reason */
  226         uint32_t        is_beacon_miss;         /* beacon miss notification */
  227         uint32_t        is_rx_badstate;         /* rx discard state != RUN */
  228         uint32_t        is_ff_flush;            /* ff's flush'd from stageq */
  229         uint32_t        is_tx_ctl;              /* tx ctrl frames */
  230         uint32_t        is_ampdu_rexmt;         /* A-MPDU frames rexmt ok */
  231         uint32_t        is_ampdu_rexmt_fail;    /* A-MPDU frames rexmt fail */
  232 
  233         uint32_t        is_mesh_wrongmesh;      /* dropped 'cuz not mesh sta*/
  234         uint32_t        is_mesh_nolink;         /* dropped 'cuz link not estab*/
  235         uint32_t        is_mesh_fwd_ttl;        /* mesh not fwd'd 'cuz ttl 0 */
  236         uint32_t        is_mesh_fwd_nobuf;      /* mesh not fwd'd 'cuz no mbuf*/
  237         uint32_t        is_mesh_fwd_tooshort;   /* mesh not fwd'd 'cuz no hdr */
  238         uint32_t        is_mesh_fwd_disabled;   /* mesh not fwd'd 'cuz disabled */
  239         uint32_t        is_mesh_fwd_nopath;     /* mesh not fwd'd 'cuz path unknown */
  240 
  241         uint32_t        is_hwmp_wrongseq;       /* wrong hwmp seq no. */
  242         uint32_t        is_hwmp_rootreqs;       /* root PREQs sent */
  243         uint32_t        is_hwmp_rootrann;       /* root RANNs sent */
  244 
  245         uint32_t        is_mesh_badae;          /* dropped 'cuz invalid AE */
  246         uint32_t        is_mesh_rtaddfailed;    /* route add failed */
  247         uint32_t        is_mesh_notproxy;       /* dropped 'cuz not proxying */
  248         uint32_t        is_rx_badalign;         /* dropped 'cuz misaligned */
  249         uint32_t        is_hwmp_proxy;          /* PREP for proxy route */
  250         uint32_t        is_beacon_bad;          /* Number of bad beacons */
  251         uint32_t        is_ampdu_bar_tx;        /* A-MPDU BAR frames TXed */
  252         uint32_t        is_ampdu_bar_tx_retry;  /* A-MPDU BAR frames TX rtry */
  253         uint32_t        is_ampdu_bar_tx_fail;   /* A-MPDU BAR frames TX fail */
  254 
  255         uint32_t        is_ff_encapfail;        /* failed FF encap */
  256         uint32_t        is_amsdu_encapfail;     /* failed A-MSDU encap */
  257 
  258         uint32_t        is_spare[5];
  259 };
  260 
  261 /*
  262  * Max size of optional information elements.  We artificially
  263  * constrain this; it's limited only by the max frame size (and
  264  * the max parameter size of the wireless extensions).
  265  */
  266 #define IEEE80211_MAX_OPT_IE    256
  267 
  268 /*
  269  * WPA/RSN get/set key request.  Specify the key/cipher
  270  * type and whether the key is to be used for sending and/or
  271  * receiving.  The key index should be set only when working
  272  * with global keys (use IEEE80211_KEYIX_NONE for ``no index'').
  273  * Otherwise a unicast/pairwise key is specified by the bssid
  274  * (on a station) or mac address (on an ap).  They key length
  275  * must include any MIC key data; otherwise it should be no
  276  * more than IEEE80211_KEYBUF_SIZE.
  277  */
  278 struct ieee80211req_key {
  279         uint8_t         ik_type;        /* key/cipher type */
  280         uint8_t         ik_pad;
  281         uint16_t        ik_keyix;       /* key index */
  282         uint8_t         ik_keylen;      /* key length in bytes */
  283         uint8_t         ik_flags;
  284 /* NB: IEEE80211_KEY_XMIT and IEEE80211_KEY_RECV defined elsewhere */
  285 #define IEEE80211_KEY_DEFAULT   0x80    /* default xmit key */
  286         uint8_t         ik_macaddr[IEEE80211_ADDR_LEN];
  287         uint64_t        ik_keyrsc;      /* key receive sequence counter */
  288         uint64_t        ik_keytsc;      /* key transmit sequence counter */
  289         uint8_t         ik_keydata[IEEE80211_KEYBUF_SIZE+IEEE80211_MICBUF_SIZE];
  290 };
  291 
  292 /*
  293  * Delete a key either by index or address.  Set the index
  294  * to IEEE80211_KEYIX_NONE when deleting a unicast key.
  295  */
  296 struct ieee80211req_del_key {
  297         uint8_t         idk_keyix;      /* key index */
  298         uint8_t         idk_macaddr[IEEE80211_ADDR_LEN];
  299 };
  300 
  301 /*
  302  * MLME state manipulation request.  IEEE80211_MLME_ASSOC
  303  * only makes sense when operating as a station.  The other
  304  * requests can be used when operating as a station or an
  305  * ap (to effect a station).
  306  */
  307 struct ieee80211req_mlme {
  308         uint8_t         im_op;          /* operation to perform */
  309 #define IEEE80211_MLME_ASSOC            1       /* associate station */
  310 #define IEEE80211_MLME_DISASSOC         2       /* disassociate station */
  311 #define IEEE80211_MLME_DEAUTH           3       /* deauthenticate station */
  312 #define IEEE80211_MLME_AUTHORIZE        4       /* authorize station */
  313 #define IEEE80211_MLME_UNAUTHORIZE      5       /* unauthorize station */
  314 #define IEEE80211_MLME_AUTH             6       /* authenticate station */
  315         uint8_t         im_ssid_len;    /* length of optional ssid */
  316         uint16_t        im_reason;      /* 802.11 reason code */
  317         uint8_t         im_macaddr[IEEE80211_ADDR_LEN];
  318         uint8_t         im_ssid[IEEE80211_NWID_LEN];
  319 };
  320 
  321 /* 
  322  * MAC ACL operations.
  323  */
  324 enum {
  325         IEEE80211_MACCMD_POLICY_OPEN    = 0,    /* set policy: no ACL's */
  326         IEEE80211_MACCMD_POLICY_ALLOW   = 1,    /* set policy: allow traffic */
  327         IEEE80211_MACCMD_POLICY_DENY    = 2,    /* set policy: deny traffic */
  328         IEEE80211_MACCMD_FLUSH          = 3,    /* flush ACL database */
  329         IEEE80211_MACCMD_DETACH         = 4,    /* detach ACL policy */
  330         IEEE80211_MACCMD_POLICY         = 5,    /* get ACL policy */
  331         IEEE80211_MACCMD_LIST           = 6,    /* get ACL database */
  332         IEEE80211_MACCMD_POLICY_RADIUS  = 7,    /* set policy: RADIUS managed */
  333 };
  334 
  335 struct ieee80211req_maclist {
  336         uint8_t         ml_macaddr[IEEE80211_ADDR_LEN];
  337 } __packed;
  338 
  339 /*
  340  * Mesh Routing Table Operations.
  341  */
  342 enum {
  343         IEEE80211_MESH_RTCMD_LIST   = 0, /* list HWMP routing table */
  344         IEEE80211_MESH_RTCMD_FLUSH  = 1, /* flush HWMP routing table */
  345         IEEE80211_MESH_RTCMD_ADD    = 2, /* add entry to the table */
  346         IEEE80211_MESH_RTCMD_DELETE = 3, /* delete an entry from the table */
  347 };
  348 
  349 struct ieee80211req_mesh_route {
  350         uint8_t         imr_flags;
  351 #define IEEE80211_MESHRT_FLAGS_DISCOVER 0x01
  352 #define IEEE80211_MESHRT_FLAGS_VALID    0x02
  353 #define IEEE80211_MESHRT_FLAGS_PROXY    0x04
  354 #define IEEE80211_MESHRT_FLAGS_GATE     0x08
  355         uint8_t         imr_dest[IEEE80211_ADDR_LEN];
  356         uint8_t         imr_nexthop[IEEE80211_ADDR_LEN];
  357         uint16_t        imr_nhops;
  358         uint8_t         imr_pad;
  359         uint32_t        imr_metric;
  360         uint32_t        imr_lifetime;
  361         uint32_t        imr_lastmseq;
  362 };
  363 
  364 /*
  365  * HWMP root modes
  366  */
  367 enum {
  368         IEEE80211_HWMP_ROOTMODE_DISABLED        = 0,    /* disabled */
  369         IEEE80211_HWMP_ROOTMODE_NORMAL          = 1,    /* normal PREPs */
  370         IEEE80211_HWMP_ROOTMODE_PROACTIVE       = 2,    /* proactive PREPS */
  371         IEEE80211_HWMP_ROOTMODE_RANN            = 3,    /* use RANN elemid */
  372 };
  373 
  374 
  375 /*
  376  * Set the active channel list by IEEE channel #: each channel
  377  * to be marked active is set in a bit vector.  Note this list is
  378  * intersected with the available channel list in calculating
  379  * the set of channels actually used in scanning.
  380  */
  381 struct ieee80211req_chanlist {
  382         uint8_t         ic_channels[32];        /* NB: can be variable length */
  383 };
  384 
  385 /*
  386  * Get the active channel list info.
  387  */
  388 struct ieee80211req_chaninfo {
  389         u_int   ic_nchans;
  390         struct ieee80211_channel ic_chans[1];   /* NB: variable length */
  391 };
  392 #define IEEE80211_CHANINFO_SIZE(_nchan) \
  393         (sizeof(struct ieee80211req_chaninfo) + \
  394          (((_nchan)-1) * sizeof(struct ieee80211_channel)))
  395 #define IEEE80211_CHANINFO_SPACE(_ci) \
  396         IEEE80211_CHANINFO_SIZE((_ci)->ic_nchans)
  397 
  398 /*
  399  * Retrieve the WPA/RSN information element for an associated station.
  400  */
  401 struct ieee80211req_wpaie {     /* old version w/ only one ie */
  402         uint8_t         wpa_macaddr[IEEE80211_ADDR_LEN];
  403         uint8_t         wpa_ie[IEEE80211_MAX_OPT_IE];
  404 };
  405 struct ieee80211req_wpaie2 {
  406         uint8_t         wpa_macaddr[IEEE80211_ADDR_LEN];
  407         uint8_t         wpa_ie[IEEE80211_MAX_OPT_IE];
  408         uint8_t         rsn_ie[IEEE80211_MAX_OPT_IE];
  409 };
  410 
  411 /*
  412  * Retrieve per-node statistics.
  413  */
  414 struct ieee80211req_sta_stats {
  415         union {
  416                 /* NB: explicitly force 64-bit alignment */
  417                 uint8_t         macaddr[IEEE80211_ADDR_LEN];
  418                 uint64_t        pad;
  419         } is_u;
  420         struct ieee80211_nodestats is_stats;
  421 };
  422 
  423 /*
  424  * Station information block; the mac address is used
  425  * to retrieve other data like stats, unicast key, etc.
  426  */
  427 struct ieee80211req_sta_info {
  428         uint16_t        isi_len;                /* total length (mult of 4) */
  429         uint16_t        isi_ie_off;             /* offset to IE data */
  430         uint16_t        isi_ie_len;             /* IE length */
  431         uint16_t        isi_freq;               /* MHz */
  432         uint32_t        isi_flags;              /* channel flags */
  433         uint32_t        isi_state;              /* state flags */
  434         uint8_t         isi_authmode;           /* authentication algorithm */
  435         int8_t          isi_rssi;               /* receive signal strength */
  436         int8_t          isi_noise;              /* noise floor */
  437         uint8_t         isi_capinfo;            /* capabilities */
  438         uint8_t         isi_erp;                /* ERP element */
  439         uint8_t         isi_macaddr[IEEE80211_ADDR_LEN];
  440         uint8_t         isi_nrates;
  441                                                 /* negotiated rates */
  442         uint8_t         isi_rates[IEEE80211_RATE_MAXSIZE];
  443         uint8_t         isi_txrate;             /* legacy/IEEE rate or MCS */
  444         uint16_t        isi_associd;            /* assoc response */
  445         uint16_t        isi_txpower;            /* current tx power */
  446         uint16_t        isi_vlan;               /* vlan tag */
  447         /* NB: [IEEE80211_NONQOS_TID] holds seq#'s for non-QoS stations */
  448         uint16_t        isi_txseqs[IEEE80211_TID_SIZE];/* tx seq #/TID */
  449         uint16_t        isi_rxseqs[IEEE80211_TID_SIZE];/* rx seq#/TID */
  450         uint16_t        isi_inact;              /* inactivity timer */
  451         uint16_t        isi_txmbps;             /* current tx rate in .5 Mb/s */
  452         uint16_t        isi_pad;
  453         uint32_t        isi_jointime;           /* time of assoc/join */
  454         struct ieee80211_mimo_info isi_mimo;    /* MIMO info for 11n sta's */
  455         /* 11s info */
  456         uint16_t        isi_peerid;
  457         uint16_t        isi_localid;
  458         uint8_t         isi_peerstate;
  459         /* XXX frag state? */
  460         /* variable length IE data */
  461 };
  462 
  463 /*
  464  * Retrieve per-station information; to retrieve all
  465  * specify a mac address of ff:ff:ff:ff:ff:ff.
  466  */
  467 struct ieee80211req_sta_req {
  468         union {
  469                 /* NB: explicitly force 64-bit alignment */
  470                 uint8_t         macaddr[IEEE80211_ADDR_LEN];
  471                 uint64_t        pad;
  472         } is_u;
  473         struct ieee80211req_sta_info info[1];   /* variable length */
  474 };
  475 
  476 /*
  477  * Get/set per-station tx power cap.
  478  */
  479 struct ieee80211req_sta_txpow {
  480         uint8_t         it_macaddr[IEEE80211_ADDR_LEN];
  481         uint8_t         it_txpow;
  482 };
  483 
  484 /*
  485  * WME parameters manipulated with IEEE80211_IOC_WME_CWMIN
  486  * through IEEE80211_IOC_WME_ACKPOLICY are set and return
  487  * using i_val and i_len.  i_val holds the value itself.
  488  * i_len specifies the AC and, as appropriate, then high bit
  489  * specifies whether the operation is to be applied to the
  490  * BSS or ourself.
  491  */
  492 #define IEEE80211_WMEPARAM_SELF 0x0000          /* parameter applies to self */
  493 #define IEEE80211_WMEPARAM_BSS  0x8000          /* parameter applies to BSS */
  494 #define IEEE80211_WMEPARAM_VAL  0x7fff          /* parameter value */
  495 
  496 /*
  497  * Application Information Elements can be appended to a variety
  498  * of frames with the IEE80211_IOC_APPIE request.  This request
  499  * piggybacks on a normal ieee80211req; the frame type is passed
  500  * in i_val as the 802.11 FC0 bytes and the length of the IE data
  501  * is passed in i_len.  The data is referenced in i_data.  If i_len
  502  * is zero then any previously configured IE data is removed.  At
  503  * most IEEE80211_MAX_APPIE data be appened.  Note that multiple
  504  * IE's can be supplied; the data is treated opaquely.
  505  */
  506 #define IEEE80211_MAX_APPIE     1024            /* max app IE data */
  507 /*
  508  * Hack: the WPA authenticator uses this mechanism to specify WPA
  509  * ie's that are used instead of the ones normally constructed using
  510  * the cipher state setup with separate ioctls.  This avoids issues
  511  * like the authenticator ordering ie data differently than the
  512  * net80211 layer and needing to keep separate state for WPA and RSN.
  513  */
  514 #define IEEE80211_APPIE_WPA \
  515         (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_BEACON | \
  516          IEEE80211_FC0_SUBTYPE_PROBE_RESP)
  517 
  518 /*
  519  * Station mode roaming parameters.  These are maintained
  520  * per band/mode and control the roaming algorithm.
  521  */
  522 struct ieee80211_roamparams_req {
  523         struct ieee80211_roamparam params[IEEE80211_MODE_MAX];
  524 };
  525 
  526 /*
  527  * Transmit parameters.  These can be used to set fixed transmit
  528  * rate for each operating mode when operating as client or on a
  529  * per-client basis according to the capabilities of the client
  530  * (e.g. an 11b client associated to an 11g ap) when operating as
  531  * an ap.
  532  *
  533  * MCS are distinguished from legacy rates by or'ing in 0x80.
  534  */
  535 struct ieee80211_txparams_req {
  536         struct ieee80211_txparam params[IEEE80211_MODE_MAX];
  537 };
  538 
  539 /*
  540  * Set regulatory domain state with IEEE80211_IOC_REGDOMAIN.
  541  * Note this is both the regulatory description and the channel
  542  * list.  The get request for IEEE80211_IOC_REGDOMAIN returns
  543  * only the regdomain info; the channel list is obtained
  544  * separately with IEEE80211_IOC_CHANINFO.
  545  */
  546 struct ieee80211_regdomain_req {
  547         struct ieee80211_regdomain      rd;
  548         struct ieee80211req_chaninfo    chaninfo;
  549 };
  550 #define IEEE80211_REGDOMAIN_SIZE(_nchan) \
  551         (sizeof(struct ieee80211_regdomain_req) + \
  552          (((_nchan)-1) * sizeof(struct ieee80211_channel)))
  553 #define IEEE80211_REGDOMAIN_SPACE(_req) \
  554         IEEE80211_REGDOMAIN_SIZE((_req)->chaninfo.ic_nchans)
  555 
  556 /*
  557  * Get driver capabilities.  Driver, hardware crypto, and
  558  * HT/802.11n capabilities, and a table that describes what
  559  * the radio can do.
  560  */
  561 struct ieee80211_devcaps_req {
  562         uint32_t        dc_drivercaps;          /* general driver caps */
  563         uint32_t        dc_cryptocaps;          /* hardware crypto support */
  564         uint32_t        dc_htcaps;              /* HT/802.11n support */
  565         uint32_t        dc_vhtcaps;             /* VHT/802.11ac capabilities */
  566         struct ieee80211req_chaninfo dc_chaninfo;
  567 };
  568 #define IEEE80211_DEVCAPS_SIZE(_nchan) \
  569         (sizeof(struct ieee80211_devcaps_req) + \
  570          (((_nchan)-1) * sizeof(struct ieee80211_channel)))
  571 #define IEEE80211_DEVCAPS_SPACE(_dc) \
  572         IEEE80211_DEVCAPS_SIZE((_dc)->dc_chaninfo.ic_nchans)
  573 
  574 struct ieee80211_chanswitch_req {
  575         struct ieee80211_channel csa_chan;      /* new channel */
  576         int             csa_mode;               /* CSA mode */
  577         int             csa_count;              /* beacon count to switch */
  578 };
  579 
  580 /*
  581  * Get/set per-station vlan tag.
  582  */
  583 struct ieee80211req_sta_vlan {
  584         uint8_t         sv_macaddr[IEEE80211_ADDR_LEN];
  585         uint16_t        sv_vlan;
  586 };
  587 
  588 #ifdef __FreeBSD__
  589 /*
  590  * FreeBSD-style ioctls.
  591  */
  592 /* the first member must be matched with struct ifreq */
  593 struct ieee80211req {
  594         char            i_name[IFNAMSIZ];       /* if_name, e.g. "wi0" */
  595         uint16_t        i_type;                 /* req type */
  596         int16_t         i_val;                  /* Index or simple value */
  597         uint16_t        i_len;                  /* Index or simple value */
  598         void            *i_data;                /* Extra data */
  599 };
  600 #define SIOCS80211               _IOW('i', 234, struct ieee80211req)
  601 #define SIOCG80211              _IOWR('i', 235, struct ieee80211req)
  602 #define SIOCG80211STATS         _IOWR('i', 236, struct ifreq)
  603 
  604 #define IEEE80211_IOC_SSID              1
  605 #define IEEE80211_IOC_NUMSSIDS          2
  606 #define IEEE80211_IOC_WEP               3
  607 #define         IEEE80211_WEP_NOSUP     -1
  608 #define         IEEE80211_WEP_OFF       0
  609 #define         IEEE80211_WEP_ON        1
  610 #define         IEEE80211_WEP_MIXED     2
  611 #define IEEE80211_IOC_WEPKEY            4
  612 #define IEEE80211_IOC_NUMWEPKEYS        5
  613 #define IEEE80211_IOC_WEPTXKEY          6
  614 #define IEEE80211_IOC_AUTHMODE          7
  615 #define IEEE80211_IOC_STATIONNAME       8
  616 #define IEEE80211_IOC_CHANNEL           9
  617 #define IEEE80211_IOC_POWERSAVE         10
  618 #define         IEEE80211_POWERSAVE_NOSUP       -1
  619 #define         IEEE80211_POWERSAVE_OFF         0
  620 #define         IEEE80211_POWERSAVE_CAM         1
  621 #define         IEEE80211_POWERSAVE_PSP         2
  622 #define         IEEE80211_POWERSAVE_PSP_CAM     3
  623 #define         IEEE80211_POWERSAVE_ON          IEEE80211_POWERSAVE_CAM
  624 #define IEEE80211_IOC_POWERSAVESLEEP    11
  625 #define IEEE80211_IOC_RTSTHRESHOLD      12
  626 #define IEEE80211_IOC_PROTMODE          13
  627 #define         IEEE80211_PROTMODE_OFF          0
  628 #define         IEEE80211_PROTMODE_CTS          1
  629 #define         IEEE80211_PROTMODE_RTSCTS       2
  630 #define IEEE80211_IOC_TXPOWER           14      /* global tx power limit */
  631 #define IEEE80211_IOC_BSSID             15
  632 #define IEEE80211_IOC_ROAMING           16      /* roaming mode */
  633 #define IEEE80211_IOC_PRIVACY           17      /* privacy invoked */
  634 #define IEEE80211_IOC_DROPUNENCRYPTED   18      /* discard unencrypted frames */
  635 #define IEEE80211_IOC_WPAKEY            19
  636 #define IEEE80211_IOC_DELKEY            20
  637 #define IEEE80211_IOC_MLME              21
  638 /* 22 was IEEE80211_IOC_OPTIE, replaced by IEEE80211_IOC_APPIE */
  639 /* 23 was IEEE80211_IOC_SCAN_REQ */
  640 /* 24 was IEEE80211_IOC_SCAN_RESULTS */
  641 #define IEEE80211_IOC_COUNTERMEASURES   25      /* WPA/TKIP countermeasures */
  642 #define IEEE80211_IOC_WPA               26      /* WPA mode (0,1,2) */
  643 #define IEEE80211_IOC_CHANLIST          27      /* channel list */
  644 #define IEEE80211_IOC_WME               28      /* WME mode (on, off) */
  645 #define IEEE80211_IOC_HIDESSID          29      /* hide SSID mode (on, off) */
  646 #define IEEE80211_IOC_APBRIDGE          30      /* AP inter-sta bridging */
  647 /* 31-35,37-38 were for WPA authenticator settings */
  648 /* 36 was IEEE80211_IOC_DRIVER_CAPS */
  649 #define IEEE80211_IOC_WPAIE             39      /* WPA information element */
  650 #define IEEE80211_IOC_STA_STATS         40      /* per-station statistics */
  651 #define IEEE80211_IOC_MACCMD            41      /* MAC ACL operation */
  652 #define IEEE80211_IOC_CHANINFO          42      /* channel info list */
  653 #define IEEE80211_IOC_TXPOWMAX          43      /* max tx power for channel */
  654 #define IEEE80211_IOC_STA_TXPOW         44      /* per-station tx power limit */
  655 /* 45 was IEEE80211_IOC_STA_INFO */
  656 #define IEEE80211_IOC_WME_CWMIN         46      /* WME: ECWmin */
  657 #define IEEE80211_IOC_WME_CWMAX         47      /* WME: ECWmax */
  658 #define IEEE80211_IOC_WME_AIFS          48      /* WME: AIFSN */
  659 #define IEEE80211_IOC_WME_TXOPLIMIT     49      /* WME: txops limit */
  660 #define IEEE80211_IOC_WME_ACM           50      /* WME: ACM (bss only) */
  661 #define IEEE80211_IOC_WME_ACKPOLICY     51      /* WME: ACK policy (!bss only)*/
  662 #define IEEE80211_IOC_DTIM_PERIOD       52      /* DTIM period (beacons) */
  663 #define IEEE80211_IOC_BEACON_INTERVAL   53      /* beacon interval (ms) */
  664 #define IEEE80211_IOC_ADDMAC            54      /* add sta to MAC ACL table */
  665 #define IEEE80211_IOC_DELMAC            55      /* del sta from MAC ACL table */
  666 #define IEEE80211_IOC_PUREG             56      /* pure 11g (no 11b stations) */
  667 #define IEEE80211_IOC_FF                57      /* ATH fast frames (on, off) */
  668 #define IEEE80211_IOC_TURBOP            58      /* ATH turbo' (on, off) */
  669 #define IEEE80211_IOC_BGSCAN            59      /* bg scanning (on, off) */
  670 #define IEEE80211_IOC_BGSCAN_IDLE       60      /* bg scan idle threshold */
  671 #define IEEE80211_IOC_BGSCAN_INTERVAL   61      /* bg scan interval */
  672 #define IEEE80211_IOC_SCANVALID         65      /* scan cache valid threshold */
  673 /* 66-72 were IEEE80211_IOC_ROAM_* and IEEE80211_IOC_MCAST_RATE */
  674 #define IEEE80211_IOC_FRAGTHRESHOLD     73      /* tx fragmentation threshold */
  675 #define IEEE80211_IOC_BURST             75      /* packet bursting */
  676 #define IEEE80211_IOC_SCAN_RESULTS      76      /* get scan results */
  677 #define IEEE80211_IOC_BMISSTHRESHOLD    77      /* beacon miss threshold */
  678 #define IEEE80211_IOC_STA_INFO          78      /* station/neighbor info */
  679 #define IEEE80211_IOC_WPAIE2            79      /* WPA+RSN info elements */
  680 #define IEEE80211_IOC_CURCHAN           80      /* current channel */
  681 #define IEEE80211_IOC_SHORTGI           81      /* 802.11n half GI */
  682 #define IEEE80211_IOC_AMPDU             82      /* 802.11n A-MPDU (on, off) */
  683 #define IEEE80211_IOC_AMPDU_LIMIT       83      /* A-MPDU length limit */
  684 #define IEEE80211_IOC_AMPDU_DENSITY     84      /* A-MPDU density */
  685 #define IEEE80211_IOC_AMSDU             85      /* 802.11n A-MSDU (on, off) */
  686 #define IEEE80211_IOC_AMSDU_LIMIT       86      /* A-MSDU length limit */
  687 #define IEEE80211_IOC_PUREN             87      /* pure 11n (no legacy sta's) */
  688 #define IEEE80211_IOC_DOTH              88      /* 802.11h (on, off) */
  689 /* 89-91 were regulatory items */
  690 #define IEEE80211_IOC_HTCOMPAT          92      /* support pre-D1.10 HT ie's */
  691 #define IEEE80211_IOC_DWDS              93      /* DWDS/4-address handling */
  692 #define IEEE80211_IOC_INACTIVITY        94      /* sta inactivity handling */
  693 #define IEEE80211_IOC_APPIE             95      /* application IE's */
  694 #define IEEE80211_IOC_WPS               96      /* WPS operation */
  695 #define IEEE80211_IOC_TSN               97      /* TSN operation */
  696 #define IEEE80211_IOC_DEVCAPS           98      /* driver+device capabilities */
  697 #define IEEE80211_IOC_CHANSWITCH        99      /* start 11h channel switch */
  698 #define IEEE80211_IOC_DFS               100     /* DFS (on, off) */
  699 #define IEEE80211_IOC_DOTD              101     /* 802.11d (on, off) */
  700 #define IEEE80211_IOC_HTPROTMODE        102     /* HT protection (off, rts) */
  701 #define IEEE80211_IOC_SCAN_REQ          103     /* scan w/ specified params */
  702 #define IEEE80211_IOC_SCAN_CANCEL       104     /* cancel ongoing scan */
  703 #define IEEE80211_IOC_HTCONF            105     /* HT config (off, HT20, HT40)*/
  704 #define IEEE80211_IOC_REGDOMAIN         106     /* regulatory domain info */
  705 #define IEEE80211_IOC_ROAM              107     /* roaming params en masse */
  706 #define IEEE80211_IOC_TXPARAMS          108     /* tx parameters */
  707 #define IEEE80211_IOC_STA_VLAN          109     /* per-station vlan tag */
  708 #define IEEE80211_IOC_SMPS              110     /* MIMO power save */
  709 #define IEEE80211_IOC_RIFS              111     /* RIFS config (on, off) */
  710 #define IEEE80211_IOC_GREENFIELD        112     /* Greenfield (on, off) */
  711 #define IEEE80211_IOC_STBC              113     /* STBC Tx/RX (on, off) */
  712 #define IEEE80211_IOC_LDPC              114     /* LDPC Tx/RX (on, off) */
  713 
  714 /* VHT */
  715 #define IEEE80211_IOC_VHTCONF           130     /* VHT config (off, on; widths) */
  716 
  717 #define IEEE80211_IOC_MESH_ID           170     /* mesh identifier */
  718 #define IEEE80211_IOC_MESH_AP           171     /* accepting peerings */
  719 #define IEEE80211_IOC_MESH_FWRD         172     /* forward frames */
  720 #define IEEE80211_IOC_MESH_PROTO        173     /* mesh protocols */
  721 #define IEEE80211_IOC_MESH_TTL          174     /* mesh TTL */
  722 #define IEEE80211_IOC_MESH_RTCMD        175     /* mesh routing table commands*/
  723 #define IEEE80211_IOC_MESH_PR_METRIC    176     /* mesh metric protocol */
  724 #define IEEE80211_IOC_MESH_PR_PATH      177     /* mesh path protocol */
  725 #define IEEE80211_IOC_MESH_PR_SIG       178     /* mesh sig protocol */
  726 #define IEEE80211_IOC_MESH_PR_CC        179     /* mesh congestion protocol */
  727 #define IEEE80211_IOC_MESH_PR_AUTH      180     /* mesh auth protocol */
  728 #define IEEE80211_IOC_MESH_GATE         181     /* mesh gate XXX: 173? */
  729 
  730 #define IEEE80211_IOC_HWMP_ROOTMODE     190     /* HWMP root mode */
  731 #define IEEE80211_IOC_HWMP_MAXHOPS      191     /* number of hops before drop */
  732 #define IEEE80211_IOC_HWMP_TTL          192     /* HWMP TTL */
  733 
  734 #define IEEE80211_IOC_TDMA_SLOT         201     /* TDMA: assigned slot */
  735 #define IEEE80211_IOC_TDMA_SLOTCNT      202     /* TDMA: slots in bss */
  736 #define IEEE80211_IOC_TDMA_SLOTLEN      203     /* TDMA: slot length (usecs) */
  737 #define IEEE80211_IOC_TDMA_BINTERVAL    204     /* TDMA: beacon intvl (slots) */
  738 
  739 #define IEEE80211_IOC_QUIET             205     /* Quiet Enable/Disable */
  740 #define IEEE80211_IOC_QUIET_PERIOD      206     /* Quiet Period */
  741 #define IEEE80211_IOC_QUIET_OFFSET      207     /* Quiet Offset */
  742 #define IEEE80211_IOC_QUIET_DUR         208     /* Quiet Duration */
  743 #define IEEE80211_IOC_QUIET_COUNT       209     /* Quiet Count */
  744 /*
  745  * Parameters for controlling a scan requested with
  746  * IEEE80211_IOC_SCAN_REQ.
  747  *
  748  * Active scans cause ProbeRequest frames to be issued for each
  749  * specified ssid and, by default, a broadcast ProbeRequest frame.
  750  * The set of ssid's is specified in the request.
  751  *
  752  * By default the scan will cause a BSS to be joined (in station/adhoc
  753  * mode) or a channel to be selected for operation (hostap mode).
  754  * To disable that specify IEEE80211_IOC_SCAN_NOPICK and if the
  755  *
  756  * If the station is currently associated to an AP then a scan request
  757  * will cause the station to leave the current channel and potentially
  758  * miss frames from the AP.  Alternatively the station may notify the
  759  * AP that it is going into power save mode before it leaves the channel.
  760  * This ensures frames for the station are buffered by the AP.  This is
  761  * termed a ``bg scan'' and is requested with the IEEE80211_IOC_SCAN_BGSCAN
  762  * flag.  Background scans may take longer than foreground scans and may
  763  * be preempted by traffic.  If a station is not associated to an AP
  764  * then a request for a background scan is automatically done in the
  765  * foreground.
  766  *
  767  * The results of the scan request are cached by the system.  This
  768  * information is aged out and/or invalidated based on events like not
  769  * being able to associated to an AP.  To flush the current cache
  770  * contents before doing a scan the IEEE80211_IOC_SCAN_FLUSH flag may
  771  * be specified.
  772  *
  773  * By default the scan will be done until a suitable AP is located
  774  * or a channel is found for use.  A scan can also be constrained
  775  * to be done once (IEEE80211_IOC_SCAN_ONCE) or to last for no more
  776  * than a specified duration.
  777  */
  778 struct ieee80211_scan_req {
  779         int             sr_flags;
  780 #define IEEE80211_IOC_SCAN_NOPICK       0x00001 /* scan only, no selection */
  781 #define IEEE80211_IOC_SCAN_ACTIVE       0x00002 /* active scan (probe req) */
  782 #define IEEE80211_IOC_SCAN_PICK1ST      0x00004 /* ``hey sailor'' mode */
  783 #define IEEE80211_IOC_SCAN_BGSCAN       0x00008 /* bg scan, exit ps at end */
  784 #define IEEE80211_IOC_SCAN_ONCE         0x00010 /* do one complete pass */
  785 #define IEEE80211_IOC_SCAN_NOBCAST      0x00020 /* don't send bcast probe req */
  786 #define IEEE80211_IOC_SCAN_NOJOIN       0x00040 /* no auto-sequencing */
  787 #define IEEE80211_IOC_SCAN_FLUSH        0x10000 /* flush scan cache first */
  788 #define IEEE80211_IOC_SCAN_CHECK        0x20000 /* check scan cache first */
  789         u_int           sr_duration;            /* duration (ms) */
  790 #define IEEE80211_IOC_SCAN_DURATION_MIN 1
  791 #define IEEE80211_IOC_SCAN_DURATION_MAX 0x7fffffff
  792 #define IEEE80211_IOC_SCAN_FOREVER      IEEE80211_IOC_SCAN_DURATION_MAX
  793         u_int           sr_mindwell;            /* min channel dwelltime (ms) */
  794         u_int           sr_maxdwell;            /* max channel dwelltime (ms) */
  795         int             sr_nssid;
  796 #define IEEE80211_IOC_SCAN_MAX_SSID     3
  797         struct {
  798                 int      len;                           /* length in bytes */
  799                 uint8_t ssid[IEEE80211_NWID_LEN];       /* ssid contents */
  800         } sr_ssid[IEEE80211_IOC_SCAN_MAX_SSID];
  801 };
  802 
  803 /*
  804  * Scan result data returned for IEEE80211_IOC_SCAN_RESULTS.
  805  * Each result is a fixed size structure followed by a variable
  806  * length SSID and one or more variable length information elements.
  807  * The size of each variable length item is found in the fixed
  808  * size structure and the entire length of the record is specified
  809  * in isr_len.  Result records are rounded to a multiple of 4 bytes.
  810  */
  811 struct ieee80211req_scan_result {
  812         uint16_t        isr_len;                /* total length (mult of 4) */
  813         uint16_t        isr_ie_off;             /* offset to SSID+IE data */
  814         uint16_t        isr_ie_len;             /* IE length */
  815         uint16_t        isr_freq;               /* MHz */
  816         uint16_t        isr_flags;              /* channel flags */
  817         int8_t          isr_noise;
  818         int8_t          isr_rssi;
  819         uint16_t        isr_intval;             /* beacon interval */
  820         uint8_t         isr_capinfo;            /* capabilities */
  821         uint8_t         isr_erp;                /* ERP element */
  822         uint8_t         isr_bssid[IEEE80211_ADDR_LEN];
  823         uint8_t         isr_nrates;
  824         uint8_t         isr_rates[IEEE80211_RATE_MAXSIZE];
  825         uint8_t         isr_ssid_len;           /* SSID length */
  826         uint8_t         isr_meshid_len;         /* MESH ID length */
  827         /* variable length SSID, followed by variable length MESH ID,
  828           followed by IE data */
  829 };
  830 
  831 /*
  832  * Virtual AP cloning parameters.  The parent device must
  833  * be a vap-capable device.  All parameters specified with
  834  * the clone request are fixed for the lifetime of the vap.
  835  *
  836  * There are two flavors of WDS vaps: legacy and dynamic.
  837  * Legacy WDS operation implements a static binding between
  838  * two stations encapsulating traffic in 4-address frames.
  839  * Dynamic WDS vaps are created when a station associates to
  840  * an AP and sends a 4-address frame.  If the AP vap is
  841  * configured to support WDS then this will generate an
  842  * event to user programs listening on the routing socket
  843  * and a Dynamic WDS vap will be created to handle traffic
  844  * to/from that station.  In both cases the bssid of the
  845  * peer must be specified when creating the vap.
  846  *
  847  * By default a vap will inherit the mac address/bssid of
  848  * the underlying device.  To request a unique address the
  849  * IEEE80211_CLONE_BSSID flag should be supplied.  This is
  850  * meaningless for WDS vaps as they share the bssid of an
  851  * AP vap that must otherwise exist.  Note that some devices
  852  * may not be able to support multiple addresses.
  853  *
  854  * Station mode vap's normally depend on the device to notice
  855  * when the AP stops sending beacon frames.  If IEEE80211_CLONE_NOBEACONS
  856  * is specified the net80211 layer will do this in s/w.  This
  857  * is mostly useful when setting up a WDS repeater/extender where
  858  * an AP vap is combined with a sta vap and the device isn't able
  859  * to track beacon frames in hardware.
  860  */
  861 struct ieee80211_clone_params {
  862         char    icp_parent[IFNAMSIZ];           /* parent device */
  863         uint16_t icp_opmode;                    /* operating mode */
  864         uint16_t icp_flags;                     /* see below */
  865         uint8_t icp_bssid[IEEE80211_ADDR_LEN];  /* for WDS links */
  866         uint8_t icp_macaddr[IEEE80211_ADDR_LEN];/* local address */
  867 };
  868 #define IEEE80211_CLONE_BSSID           0x0001  /* allocate unique mac/bssid */
  869 #define IEEE80211_CLONE_NOBEACONS       0x0002  /* don't setup beacon timers */
  870 #define IEEE80211_CLONE_WDSLEGACY       0x0004  /* legacy WDS processing */
  871 #define IEEE80211_CLONE_MACADDR         0x0008  /* use specified mac addr */
  872 #define IEEE80211_CLONE_TDMA            0x0010  /* operate in TDMA mode */
  873 #endif /* __FreeBSD__ */
  874 
  875 #endif /* _NET80211_IEEE80211_IOCTL_H_ */

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