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freebsd-dev/sys/net80211/ieee80211_ioctl.h
Sam Leffler 546786c951 add IEEE80211_IOC_BMISSTHRESHOLD for managing the beacon miss 
threshold

Submitted by:	Henrik Brix Andersen <henrik@brixandersen.dk>
MFC after:	2 weeks
2006-07-26 03:07:36 +00:00

481 lines
20 KiB
C
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/*-
* Copyright (c) 2001 Atsushi Onoe
* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _NET80211_IEEE80211_IOCTL_H_
#define _NET80211_IEEE80211_IOCTL_H_
/*
* IEEE 802.11 ioctls.
*/
#include <net80211/_ieee80211.h>
#include <net80211/ieee80211.h>
#include <net80211/ieee80211_crypto.h>
/*
* Per/node (station) statistics available when operating as an AP.
*/
struct ieee80211_nodestats {
u_int32_t ns_rx_data; /* rx data frames */
u_int32_t ns_rx_mgmt; /* rx management frames */
u_int32_t ns_rx_ctrl; /* rx control frames */
u_int32_t ns_rx_ucast; /* rx unicast frames */
u_int32_t ns_rx_mcast; /* rx multi/broadcast frames */
u_int64_t ns_rx_bytes; /* rx data count (bytes) */
u_int64_t ns_rx_beacons; /* rx beacon frames */
u_int32_t ns_rx_proberesp; /* rx probe response frames */
u_int32_t ns_rx_dup; /* rx discard 'cuz dup */
u_int32_t ns_rx_noprivacy; /* rx w/ wep but privacy off */
u_int32_t ns_rx_wepfail; /* rx wep processing failed */
u_int32_t ns_rx_demicfail; /* rx demic failed */
u_int32_t ns_rx_decap; /* rx decapsulation failed */
u_int32_t ns_rx_defrag; /* rx defragmentation failed */
u_int32_t ns_rx_disassoc; /* rx disassociation */
u_int32_t ns_rx_deauth; /* rx deauthentication */
u_int32_t ns_rx_decryptcrc; /* rx decrypt failed on crc */
u_int32_t ns_rx_unauth; /* rx on unauthorized port */
u_int32_t ns_rx_unencrypted; /* rx unecrypted w/ privacy */
u_int32_t ns_tx_data; /* tx data frames */
u_int32_t ns_tx_mgmt; /* tx management frames */
u_int32_t ns_tx_ucast; /* tx unicast frames */
u_int32_t ns_tx_mcast; /* tx multi/broadcast frames */
u_int64_t ns_tx_bytes; /* tx data count (bytes) */
u_int32_t ns_tx_probereq; /* tx probe request frames */
u_int32_t ns_tx_novlantag; /* tx discard 'cuz no tag */
u_int32_t ns_tx_vlanmismatch; /* tx discard 'cuz bad tag */
u_int32_t ns_ps_discard; /* ps discard 'cuz of age */
/* MIB-related state */
u_int32_t ns_tx_assoc; /* [re]associations */
u_int32_t ns_tx_assoc_fail; /* [re]association failures */
u_int32_t ns_tx_auth; /* [re]authentications */
u_int32_t ns_tx_auth_fail; /* [re]authentication failures*/
u_int32_t ns_tx_deauth; /* deauthentications */
u_int32_t ns_tx_deauth_code; /* last deauth reason */
u_int32_t ns_tx_disassoc; /* disassociations */
u_int32_t ns_tx_disassoc_code; /* last disassociation reason */
};
/*
* Summary statistics.
*/
struct ieee80211_stats {
u_int32_t is_rx_badversion; /* rx frame with bad version */
u_int32_t is_rx_tooshort; /* rx frame too short */
u_int32_t is_rx_wrongbss; /* rx from wrong bssid */
u_int32_t is_rx_dup; /* rx discard 'cuz dup */
u_int32_t is_rx_wrongdir; /* rx w/ wrong direction */
u_int32_t is_rx_mcastecho; /* rx discard 'cuz mcast echo */
u_int32_t is_rx_notassoc; /* rx discard 'cuz sta !assoc */
u_int32_t is_rx_noprivacy; /* rx w/ wep but privacy off */
u_int32_t is_rx_unencrypted; /* rx w/o wep and privacy on */
u_int32_t is_rx_wepfail; /* rx wep processing failed */
u_int32_t is_rx_decap; /* rx decapsulation failed */
u_int32_t is_rx_mgtdiscard; /* rx discard mgt frames */
u_int32_t is_rx_ctl; /* rx discard ctrl frames */
u_int32_t is_rx_beacon; /* rx beacon frames */
u_int32_t is_rx_rstoobig; /* rx rate set truncated */
u_int32_t is_rx_elem_missing; /* rx required element missing*/
u_int32_t is_rx_elem_toobig; /* rx element too big */
u_int32_t is_rx_elem_toosmall; /* rx element too small */
u_int32_t is_rx_elem_unknown; /* rx element unknown */
u_int32_t is_rx_badchan; /* rx frame w/ invalid chan */
u_int32_t is_rx_chanmismatch; /* rx frame chan mismatch */
u_int32_t is_rx_nodealloc; /* rx frame dropped */
u_int32_t is_rx_ssidmismatch; /* rx frame ssid mismatch */
u_int32_t is_rx_auth_unsupported; /* rx w/ unsupported auth alg */
u_int32_t is_rx_auth_fail; /* rx sta auth failure */
u_int32_t is_rx_auth_countermeasures;/* rx auth discard 'cuz CM */
u_int32_t is_rx_assoc_bss; /* rx assoc from wrong bssid */
u_int32_t is_rx_assoc_notauth; /* rx assoc w/o auth */
u_int32_t is_rx_assoc_capmismatch;/* rx assoc w/ cap mismatch */
u_int32_t is_rx_assoc_norate; /* rx assoc w/ no rate match */
u_int32_t is_rx_assoc_badwpaie; /* rx assoc w/ bad WPA IE */
u_int32_t is_rx_deauth; /* rx deauthentication */
u_int32_t is_rx_disassoc; /* rx disassociation */
u_int32_t is_rx_badsubtype; /* rx frame w/ unknown subtype*/
u_int32_t is_rx_nobuf; /* rx failed for lack of buf */
u_int32_t is_rx_decryptcrc; /* rx decrypt failed on crc */
u_int32_t is_rx_ahdemo_mgt; /* rx discard ahdemo mgt frame*/
u_int32_t is_rx_bad_auth; /* rx bad auth request */
u_int32_t is_rx_unauth; /* rx on unauthorized port */
u_int32_t is_rx_badkeyid; /* rx w/ incorrect keyid */
u_int32_t is_rx_ccmpreplay; /* rx seq# violation (CCMP) */
u_int32_t is_rx_ccmpformat; /* rx format bad (CCMP) */
u_int32_t is_rx_ccmpmic; /* rx MIC check failed (CCMP) */
u_int32_t is_rx_tkipreplay; /* rx seq# violation (TKIP) */
u_int32_t is_rx_tkipformat; /* rx format bad (TKIP) */
u_int32_t is_rx_tkipmic; /* rx MIC check failed (TKIP) */
u_int32_t is_rx_tkipicv; /* rx ICV check failed (TKIP) */
u_int32_t is_rx_badcipher; /* rx failed 'cuz key type */
u_int32_t is_rx_nocipherctx; /* rx failed 'cuz key !setup */
u_int32_t is_rx_acl; /* rx discard 'cuz acl policy */
u_int32_t is_tx_nobuf; /* tx failed for lack of buf */
u_int32_t is_tx_nonode; /* tx failed for no node */
u_int32_t is_tx_unknownmgt; /* tx of unknown mgt frame */
u_int32_t is_tx_badcipher; /* tx failed 'cuz key type */
u_int32_t is_tx_nodefkey; /* tx failed 'cuz no defkey */
u_int32_t is_tx_noheadroom; /* tx failed 'cuz no space */
u_int32_t is_tx_fragframes; /* tx frames fragmented */
u_int32_t is_tx_frags; /* tx fragments created */
u_int32_t is_scan_active; /* active scans started */
u_int32_t is_scan_passive; /* passive scans started */
u_int32_t is_node_timeout; /* nodes timed out inactivity */
u_int32_t is_crypto_nomem; /* no memory for crypto ctx */
u_int32_t is_crypto_tkip; /* tkip crypto done in s/w */
u_int32_t is_crypto_tkipenmic; /* tkip en-MIC done in s/w */
u_int32_t is_crypto_tkipdemic; /* tkip de-MIC done in s/w */
u_int32_t is_crypto_tkipcm; /* tkip counter measures */
u_int32_t is_crypto_ccmp; /* ccmp crypto done in s/w */
u_int32_t is_crypto_wep; /* wep crypto done in s/w */
u_int32_t is_crypto_setkey_cipher;/* cipher rejected key */
u_int32_t is_crypto_setkey_nokey; /* no key index for setkey */
u_int32_t is_crypto_delkey; /* driver key delete failed */
u_int32_t is_crypto_badcipher; /* unknown cipher */
u_int32_t is_crypto_nocipher; /* cipher not available */
u_int32_t is_crypto_attachfail; /* cipher attach failed */
u_int32_t is_crypto_swfallback; /* cipher fallback to s/w */
u_int32_t is_crypto_keyfail; /* driver key alloc failed */
u_int32_t is_crypto_enmicfail; /* en-MIC failed */
u_int32_t is_ibss_capmismatch; /* merge failed-cap mismatch */
u_int32_t is_ibss_norate; /* merge failed-rate mismatch */
u_int32_t is_ps_unassoc; /* ps-poll for unassoc. sta */
u_int32_t is_ps_badaid; /* ps-poll w/ incorrect aid */
u_int32_t is_ps_qempty; /* ps-poll w/ nothing to send */
u_int32_t is_ff_badhdr; /* fast frame rx'd w/ bad hdr */
u_int32_t is_ff_tooshort; /* fast frame rx decap error */
u_int32_t is_ff_split; /* fast frame rx split error */
u_int32_t is_ff_decap; /* fast frames decap'd */
u_int32_t is_ff_encap; /* fast frames encap'd for tx */
u_int32_t is_rx_badbintval; /* rx frame w/ bogus bintval */
u_int32_t is_spare[9];
};
/*
* Max size of optional information elements. We artificially
* constrain this; it's limited only by the max frame size (and
* the max parameter size of the wireless extensions).
*/
#define IEEE80211_MAX_OPT_IE 256
/*
* WPA/RSN get/set key request. Specify the key/cipher
* type and whether the key is to be used for sending and/or
* receiving. The key index should be set only when working
* with global keys (use IEEE80211_KEYIX_NONE for ``no index'').
* Otherwise a unicast/pairwise key is specified by the bssid
* (on a station) or mac address (on an ap). They key length
* must include any MIC key data; otherwise it should be no
more than IEEE80211_KEYBUF_SIZE.
*/
struct ieee80211req_key {
u_int8_t ik_type; /* key/cipher type */
u_int8_t ik_pad;
u_int16_t ik_keyix; /* key index */
u_int8_t ik_keylen; /* key length in bytes */
u_int8_t ik_flags;
/* NB: IEEE80211_KEY_XMIT and IEEE80211_KEY_RECV defined elsewhere */
#define IEEE80211_KEY_DEFAULT 0x80 /* default xmit key */
u_int8_t ik_macaddr[IEEE80211_ADDR_LEN];
u_int64_t ik_keyrsc; /* key receive sequence counter */
u_int64_t ik_keytsc; /* key transmit sequence counter */
u_int8_t ik_keydata[IEEE80211_KEYBUF_SIZE+IEEE80211_MICBUF_SIZE];
};
/*
* Delete a key either by index or address. Set the index
* to IEEE80211_KEYIX_NONE when deleting a unicast key.
*/
struct ieee80211req_del_key {
u_int8_t idk_keyix; /* key index */
u_int8_t idk_macaddr[IEEE80211_ADDR_LEN];
};
/*
* MLME state manipulation request. IEEE80211_MLME_ASSOC
* only makes sense when operating as a station. The other
* requests can be used when operating as a station or an
* ap (to effect a station).
*/
struct ieee80211req_mlme {
u_int8_t im_op; /* operation to perform */
#define IEEE80211_MLME_ASSOC 1 /* associate station */
#define IEEE80211_MLME_DISASSOC 2 /* disassociate station */
#define IEEE80211_MLME_DEAUTH 3 /* deauthenticate station */
#define IEEE80211_MLME_AUTHORIZE 4 /* authorize station */
#define IEEE80211_MLME_UNAUTHORIZE 5 /* unauthorize station */
u_int8_t im_ssid_len; /* length of optional ssid */
u_int16_t im_reason; /* 802.11 reason code */
u_int8_t im_macaddr[IEEE80211_ADDR_LEN];
u_int8_t im_ssid[IEEE80211_NWID_LEN];
};
/*
* MAC ACL operations.
*/
enum {
IEEE80211_MACCMD_POLICY_OPEN = 0, /* set policy: no ACL's */
IEEE80211_MACCMD_POLICY_ALLOW = 1, /* set policy: allow traffic */
IEEE80211_MACCMD_POLICY_DENY = 2, /* set policy: deny traffic */
IEEE80211_MACCMD_FLUSH = 3, /* flush ACL database */
IEEE80211_MACCMD_DETACH = 4, /* detach ACL policy */
IEEE80211_MACCMD_POLICY = 5, /* get ACL policy */
IEEE80211_MACCMD_LIST = 6, /* get ACL database */
};
struct ieee80211req_maclist {
u_int8_t ml_macaddr[IEEE80211_ADDR_LEN];
};
/*
* Set the active channel list. Note this list is
* intersected with the available channel list in
* calculating the set of channels actually used in
* scanning.
*/
struct ieee80211req_chanlist {
u_int8_t ic_channels[IEEE80211_CHAN_BYTES];
};
/*
* Get the active channel list info.
*/
struct ieee80211req_chaninfo {
u_int ic_nchans;
struct ieee80211_channel ic_chans[IEEE80211_CHAN_MAX];
};
/*
* Retrieve the WPA/RSN information element for an associated station.
*/
struct ieee80211req_wpaie {
u_int8_t wpa_macaddr[IEEE80211_ADDR_LEN];
u_int8_t wpa_ie[IEEE80211_MAX_OPT_IE];
};
/*
* Retrieve per-node statistics.
*/
struct ieee80211req_sta_stats {
union {
/* NB: explicitly force 64-bit alignment */
u_int8_t macaddr[IEEE80211_ADDR_LEN];
u_int64_t pad;
} is_u;
struct ieee80211_nodestats is_stats;
};
/*
* Station information block; the mac address is used
* to retrieve other data like stats, unicast key, etc.
*/
struct ieee80211req_sta_info {
u_int16_t isi_len; /* length (mult of 4) */
u_int16_t isi_freq; /* MHz */
u_int16_t isi_flags; /* channel flags */
u_int16_t isi_state; /* state flags */
u_int8_t isi_authmode; /* authentication algorithm */
u_int8_t isi_rssi;
u_int8_t isi_capinfo; /* capabilities */
u_int8_t isi_erp; /* ERP element */
u_int8_t isi_macaddr[IEEE80211_ADDR_LEN];
u_int8_t isi_nrates;
/* negotiated rates */
u_int8_t isi_rates[IEEE80211_RATE_MAXSIZE];
u_int8_t isi_txrate; /* index to isi_rates[] */
u_int16_t isi_ie_len; /* IE length */
u_int16_t isi_associd; /* assoc response */
u_int16_t isi_txpower; /* current tx power */
u_int16_t isi_vlan; /* vlan tag */
u_int16_t isi_txseqs[17]; /* seq to be transmitted */
u_int16_t isi_rxseqs[17]; /* seq previous for qos frames*/
u_int16_t isi_inact; /* inactivity timer */
/* XXX frag state? */
/* variable length IE data */
};
/*
* Retrieve per-station information; to retrieve all
* specify a mac address of ff:ff:ff:ff:ff:ff.
*/
struct ieee80211req_sta_req {
union {
/* NB: explicitly force 64-bit alignment */
u_int8_t macaddr[IEEE80211_ADDR_LEN];
u_int64_t pad;
} is_u;
struct ieee80211req_sta_info info[1]; /* variable length */
};
/*
* Get/set per-station tx power cap.
*/
struct ieee80211req_sta_txpow {
u_int8_t it_macaddr[IEEE80211_ADDR_LEN];
u_int8_t it_txpow;
};
/*
* WME parameters are set and return using i_val and i_len.
* i_val holds the value itself. i_len specifies the AC
* and, as appropriate, then high bit specifies whether the
* operation is to be applied to the BSS or ourself.
*/
#define IEEE80211_WMEPARAM_SELF 0x0000 /* parameter applies to self */
#define IEEE80211_WMEPARAM_BSS 0x8000 /* parameter applies to BSS */
#define IEEE80211_WMEPARAM_VAL 0x7fff /* parameter value */
#ifdef __FreeBSD__
/*
* FreeBSD-style ioctls.
*/
/* the first member must be matched with struct ifreq */
struct ieee80211req {
char i_name[IFNAMSIZ]; /* if_name, e.g. "wi0" */
u_int16_t i_type; /* req type */
int16_t i_val; /* Index or simple value */
int16_t i_len; /* Index or simple value */
void *i_data; /* Extra data */
};
#define SIOCS80211 _IOW('i', 234, struct ieee80211req)
#define SIOCG80211 _IOWR('i', 235, struct ieee80211req)
#define IEEE80211_IOC_SSID 1
#define IEEE80211_IOC_NUMSSIDS 2
#define IEEE80211_IOC_WEP 3
#define IEEE80211_WEP_NOSUP -1
#define IEEE80211_WEP_OFF 0
#define IEEE80211_WEP_ON 1
#define IEEE80211_WEP_MIXED 2
#define IEEE80211_IOC_WEPKEY 4
#define IEEE80211_IOC_NUMWEPKEYS 5
#define IEEE80211_IOC_WEPTXKEY 6
#define IEEE80211_IOC_AUTHMODE 7
#define IEEE80211_IOC_STATIONNAME 8
#define IEEE80211_IOC_CHANNEL 9
#define IEEE80211_IOC_POWERSAVE 10
#define IEEE80211_POWERSAVE_NOSUP -1
#define IEEE80211_POWERSAVE_OFF 0
#define IEEE80211_POWERSAVE_CAM 1
#define IEEE80211_POWERSAVE_PSP 2
#define IEEE80211_POWERSAVE_PSP_CAM 3
#define IEEE80211_POWERSAVE_ON IEEE80211_POWERSAVE_CAM
#define IEEE80211_IOC_POWERSAVESLEEP 11
#define IEEE80211_IOC_RTSTHRESHOLD 12
#define IEEE80211_IOC_PROTMODE 13
#define IEEE80211_PROTMODE_OFF 0
#define IEEE80211_PROTMODE_CTS 1
#define IEEE80211_PROTMODE_RTSCTS 2
#define IEEE80211_IOC_TXPOWER 14 /* global tx power limit */
#define IEEE80211_IOC_BSSID 15
#define IEEE80211_IOC_ROAMING 16 /* roaming mode */
#define IEEE80211_IOC_PRIVACY 17 /* privacy invoked */
#define IEEE80211_IOC_DROPUNENCRYPTED 18 /* discard unencrypted frames */
#define IEEE80211_IOC_WPAKEY 19
#define IEEE80211_IOC_DELKEY 20
#define IEEE80211_IOC_MLME 21
#define IEEE80211_IOC_OPTIE 22 /* optional info. element */
#define IEEE80211_IOC_SCAN_REQ 23
/* 24 was IEEE80211_IOC_SCAN_RESULTS */
#define IEEE80211_IOC_COUNTERMEASURES 25 /* WPA/TKIP countermeasures */
#define IEEE80211_IOC_WPA 26 /* WPA mode (0,1,2) */
#define IEEE80211_IOC_CHANLIST 27 /* channel list */
#define IEEE80211_IOC_WME 28 /* WME mode (on, off) */
#define IEEE80211_IOC_HIDESSID 29 /* hide SSID mode (on, off) */
#define IEEE80211_IOC_APBRIDGE 30 /* AP inter-sta bridging */
#define IEEE80211_IOC_MCASTCIPHER 31 /* multicast/default cipher */
#define IEEE80211_IOC_MCASTKEYLEN 32 /* multicast key length */
#define IEEE80211_IOC_UCASTCIPHERS 33 /* unicast cipher suites */
#define IEEE80211_IOC_UCASTCIPHER 34 /* unicast cipher */
#define IEEE80211_IOC_UCASTKEYLEN 35 /* unicast key length */
#define IEEE80211_IOC_DRIVER_CAPS 36 /* driver capabilities */
#define IEEE80211_IOC_KEYMGTALGS 37 /* key management algorithms */
#define IEEE80211_IOC_RSNCAPS 38 /* RSN capabilities */
#define IEEE80211_IOC_WPAIE 39 /* WPA information element */
#define IEEE80211_IOC_STA_STATS 40 /* per-station statistics */
#define IEEE80211_IOC_MACCMD 41 /* MAC ACL operation */
#define IEEE80211_IOC_CHANINFO 42 /* channel info list */
#define IEEE80211_IOC_TXPOWMAX 43 /* max tx power for channel */
#define IEEE80211_IOC_STA_TXPOW 44 /* per-station tx power limit */
#define IEEE80211_IOC_STA_INFO 45 /* station/neighbor info */
#define IEEE80211_IOC_WME_CWMIN 46 /* WME: ECWmin */
#define IEEE80211_IOC_WME_CWMAX 47 /* WME: ECWmax */
#define IEEE80211_IOC_WME_AIFS 48 /* WME: AIFSN */
#define IEEE80211_IOC_WME_TXOPLIMIT 49 /* WME: txops limit */
#define IEEE80211_IOC_WME_ACM 50 /* WME: ACM (bss only) */
#define IEEE80211_IOC_WME_ACKPOLICY 51 /* WME: ACK policy (!bss only)*/
#define IEEE80211_IOC_DTIM_PERIOD 52 /* DTIM period (beacons) */
#define IEEE80211_IOC_BEACON_INTERVAL 53 /* beacon interval (ms) */
#define IEEE80211_IOC_ADDMAC 54 /* add sta to MAC ACL table */
#define IEEE80211_IOC_DELMAC 55 /* del sta from MAC ACL table */
#define IEEE80211_IOC_PUREG 56 /* pure 11g (no 11b stations) */
#define IEEE80211_IOC_MCAST_RATE 72 /* tx rate for mcast frames */
#define IEEE80211_IOC_FRAGTHRESHOLD 73 /* tx fragmentation threshold */
#define IEEE80211_IOC_BURST 75 /* packet bursting */
#define IEEE80211_IOC_SCAN_RESULTS 76 /* get scan results */
#define IEEE80211_IOC_BMISSTHRESHOLD 77 /* beacon miss threshold */
/*
* Scan result data returned for IEEE80211_IOC_SCAN_RESULTS.
* Each result is a fixed size structure followed by a variable
* length SSID and one or more variable length information elements.
* The size of each variable length item is found in the fixed
* size structure and the entire length of the record is specified
* in isr_len. Result records are rounded to a multiple of 4 bytes.
*/
struct ieee80211req_scan_result {
u_int16_t isr_len; /* length (mult of 4) */
u_int16_t isr_ie_len; /* IE length */
u_int16_t isr_freq; /* MHz */
u_int16_t isr_flags; /* channel flags */
int8_t isr_noise;
int8_t isr_rssi;
u_int8_t isr_intval; /* beacon interval */
u_int8_t isr_capinfo; /* capabilities */
u_int8_t isr_erp; /* ERP element */
u_int8_t isr_bssid[IEEE80211_ADDR_LEN];
u_int8_t isr_nrates;
u_int8_t isr_rates[IEEE80211_RATE_MAXSIZE];
u_int8_t isr_ssid_len; /* SSID length */
u_int8_t isr_pad[8];
/* variable length SSID followed by IE data */
};
#define SIOCG80211STATS _IOWR('i', 236, struct ifreq)
#endif /* __FreeBSD__ */
#endif /* _NET80211_IEEE80211_IOCTL_H_ */
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