ieee80211_var.h revision 184280
1/*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2008 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: head/sys/net80211/ieee80211_var.h 184280 2008-10-25 23:58:59Z sam $ 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#ifdef __NetBSD__ 36#include <net80211/ieee80211_netbsd.h> 37#elif __FreeBSD__ 38#include <net80211/ieee80211_freebsd.h> 39#elif __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_crypto.h> 48#include <net80211/ieee80211_dfs.h> 49#include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 50#include <net80211/ieee80211_node.h> 51#include <net80211/ieee80211_power.h> 52#include <net80211/ieee80211_proto.h> 53#include <net80211/ieee80211_scan.h> 54 55#define IEEE80211_TXPOWER_MAX 100 /* .5 dbM (XXX units?) */ 56#define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 57 58#define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 59#define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 60 61#define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 62#define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 63 64#define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 65#define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 66 67#define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 68#define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 69 70#define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 71#define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 72 73#define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 74#define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 75 76#define IEEE80211_FIXED_RATE_NONE 0xff 77#define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 78 79#define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 80#define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 81 82#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 83#define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 84#define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000)) 85 86/* 87 * 802.11 control state is split into a common portion that maps 88 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 89 * that are bound to an ieee80211com instance and share a single 90 * underlying device. Each VAP has a corresponding OS device 91 * entity through which traffic flows and that applications use 92 * for issuing ioctls, etc. 93 */ 94 95/* 96 * Data common to one or more virtual AP's. State shared by 97 * the underlying device and the net80211 layer is exposed here; 98 * e.g. device-specific callbacks. 99 */ 100struct ieee80211vap; 101typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 102 103struct ieee80211_appie { 104 uint16_t ie_len; /* size of ie_data */ 105 uint8_t ie_data[]; /* user-specified IE's */ 106}; 107 108struct ieee80211com { 109 struct ifnet *ic_ifp; /* associated device */ 110 ieee80211_com_lock_t ic_comlock; /* state update lock */ 111 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 112 struct ieee80211_stats ic_stats; /* statistics */ 113 int ic_headroom; /* driver tx headroom needs */ 114 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 115 enum ieee80211_opmode ic_opmode; /* operation mode */ 116 struct ifmedia ic_media; /* interface media config */ 117 uint8_t ic_myaddr[IEEE80211_ADDR_LEN]; 118 struct callout ic_inact; /* inactivity processing */ 119 struct task ic_parent_task; /* deferred parent processing */ 120 121 uint32_t ic_flags; /* state flags */ 122 uint32_t ic_flags_ext; /* extended state flags */ 123 uint32_t ic_flags_ven; /* vendor state flags */ 124 uint32_t ic_caps; /* capabilities */ 125 uint32_t ic_htcaps; /* HT capabilities */ 126 uint32_t ic_cryptocaps; /* crypto capabilities */ 127 uint8_t ic_modecaps[2]; /* set of mode capabilities */ 128 uint8_t ic_promisc; /* vap's needing promisc mode */ 129 uint8_t ic_allmulti; /* vap's needing all multicast*/ 130 uint8_t ic_nrunning; /* vap's marked running */ 131 uint8_t ic_curmode; /* current mode */ 132 uint16_t ic_bintval; /* beacon interval */ 133 uint16_t ic_lintval; /* listen interval */ 134 uint16_t ic_holdover; /* PM hold over duration */ 135 uint16_t ic_txpowlimit; /* global tx power limit */ 136 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 137 138 /* 139 * Channel state: 140 * 141 * ic_channels is the set of available channels for the device; 142 * it is setup by the driver 143 * ic_nchans is the number of valid entries in ic_channels 144 * ic_chan_avail is a bit vector of these channels used to check 145 * whether a channel is available w/o searching the channel table. 146 * ic_chan_active is a (potentially) constrained subset of 147 * ic_chan_avail that reflects any mode setting or user-specified 148 * limit on the set of channels to use/scan 149 * ic_curchan is the current channel the device is set to; it may 150 * be different from ic_bsschan when we are off-channel scanning 151 * or otherwise doing background work 152 * ic_bsschan is the channel selected for operation; it may 153 * be undefined (IEEE80211_CHAN_ANYC) 154 * ic_prevchan is a cached ``previous channel'' used to optimize 155 * lookups when switching back+forth between two channels 156 * (e.g. for dynamic turbo) 157 */ 158 int ic_nchans; /* # entries in ic_channels */ 159 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1]; 160 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 161 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 162 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 163 struct ieee80211_channel *ic_curchan; /* current channel */ 164 struct ieee80211_channel *ic_bsschan; /* bss channel */ 165 struct ieee80211_channel *ic_prevchan; /* previous channel */ 166 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 167 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 168 struct ieee80211_channel *ic_countryie_chan; 169 170 /* 802.11h/DFS state */ 171 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 172 int ic_csa_count; /* count for doing CSA */ 173 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 174 175 struct ieee80211_scan_state *ic_scan; /* scan state */ 176 int ic_lastdata; /* time of last data frame */ 177 int ic_lastscan; /* time last scan completed */ 178 179 /* NB: this is the union of all vap stations/neighbors */ 180 int ic_max_keyix; /* max h/w key index */ 181 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 182 183 /* XXX multi-bss: split out common/vap parts */ 184 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 185 186 /* XXX multi-bss: can per-vap be done/make sense? */ 187 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 188 uint16_t ic_nonerpsta; /* # non-ERP stations */ 189 uint16_t ic_longslotsta; /* # long slot time stations */ 190 uint16_t ic_sta_assoc; /* stations associated */ 191 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 192 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 193 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 194 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 195 int ic_lastnonerp; /* last time non-ERP sta noted*/ 196 int ic_lastnonht; /* last time non-HT sta noted */ 197 198 /* virtual ap create/delete */ 199 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 200 const char name[IFNAMSIZ], int unit, 201 int opmode, int flags, 202 const uint8_t bssid[IEEE80211_ADDR_LEN], 203 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 204 void (*ic_vap_delete)(struct ieee80211vap *); 205 /* operating mode attachment */ 206 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 207 /* return hardware/radio capabilities */ 208 void (*ic_getradiocaps)(struct ieee80211com *, 209 int *, struct ieee80211_channel []); 210 /* check and/or prepare regdomain state change */ 211 int (*ic_setregdomain)(struct ieee80211com *, 212 struct ieee80211_regdomain *, 213 int, struct ieee80211_channel []); 214 /* send/recv 802.11 management frame */ 215 int (*ic_send_mgmt)(struct ieee80211_node *, 216 int, int); 217 /* send raw 802.11 frame */ 218 int (*ic_raw_xmit)(struct ieee80211_node *, 219 struct mbuf *, 220 const struct ieee80211_bpf_params *); 221 /* update device state for 802.11 slot time change */ 222 void (*ic_updateslot)(struct ifnet *); 223 /* handle multicast state changes */ 224 void (*ic_update_mcast)(struct ifnet *); 225 /* handle promiscuous mode changes */ 226 void (*ic_update_promisc)(struct ifnet *); 227 /* new station association callback/notification */ 228 void (*ic_newassoc)(struct ieee80211_node *, int); 229 /* node state management */ 230 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 231 const uint8_t [IEEE80211_ADDR_LEN]); 232 void (*ic_node_free)(struct ieee80211_node *); 233 void (*ic_node_cleanup)(struct ieee80211_node *); 234 void (*ic_node_age)(struct ieee80211_node *); 235 void (*ic_node_drain)(struct ieee80211_node *); 236 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 237 void (*ic_node_getsignal)(const struct ieee80211_node*, 238 int8_t *, int8_t *); 239 void (*ic_node_getmimoinfo)( 240 const struct ieee80211_node*, 241 struct ieee80211_mimo_info *); 242 /* scanning support */ 243 void (*ic_scan_start)(struct ieee80211com *); 244 void (*ic_scan_end)(struct ieee80211com *); 245 void (*ic_set_channel)(struct ieee80211com *); 246 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 247 unsigned long); 248 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 249 250 /* 251 * 802.11n ADDBA support. A simple/generic implementation 252 * of A-MPDU tx aggregation is provided; the driver may 253 * override these methods to provide their own support. 254 * A-MPDU rx re-ordering happens automatically if the 255 * driver passes out-of-order frames to ieee80211_input 256 * from an assocated HT station. 257 */ 258 void (*ic_recv_action)(struct ieee80211_node *, 259 const uint8_t *frm, const uint8_t *efrm); 260 int (*ic_send_action)(struct ieee80211_node *, 261 int category, int action, 262 uint16_t args[4]); 263 /* check if A-MPDU should be enabled this station+ac */ 264 int (*ic_ampdu_enable)(struct ieee80211_node *, 265 struct ieee80211_tx_ampdu *); 266 /* start/stop doing A-MPDU tx aggregation for a station */ 267 int (*ic_addba_request)(struct ieee80211_node *, 268 struct ieee80211_tx_ampdu *, 269 int dialogtoken, int baparamset, 270 int batimeout); 271 int (*ic_addba_response)(struct ieee80211_node *, 272 struct ieee80211_tx_ampdu *, 273 int status, int baparamset, int batimeout); 274 void (*ic_addba_stop)(struct ieee80211_node *, 275 struct ieee80211_tx_ampdu *); 276 /* BAR response received */ 277 void (*ic_bar_response)(struct ieee80211_node *, 278 struct ieee80211_tx_ampdu *, int status); 279}; 280 281struct ieee80211_aclator; 282 283struct ieee80211vap { 284 struct ifmedia iv_media; /* interface media config */ 285 struct ifnet *iv_ifp; /* associated device */ 286 struct bpf_if *iv_rawbpf; /* packet filter structure */ 287 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 288 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 289 290 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 291 struct ieee80211com *iv_ic; /* back ptr to common state */ 292 uint32_t iv_debug; /* debug msg flags */ 293 struct ieee80211_stats iv_stats; /* statistics */ 294 295 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 296 uint32_t iv_flags; /* state flags */ 297 uint32_t iv_flags_ext; /* extended state flags */ 298 uint32_t iv_flags_ven; /* vendor state flags */ 299 uint32_t iv_caps; /* capabilities */ 300 uint32_t iv_htcaps; /* HT capabilities */ 301 enum ieee80211_opmode iv_opmode; /* operation mode */ 302 enum ieee80211_state iv_state; /* state machine state */ 303 void (*iv_newstate_cb)(struct ieee80211vap *, 304 enum ieee80211_state, int); 305 struct callout iv_mgtsend; /* mgmt frame response timer */ 306 /* inactivity timer settings */ 307 int iv_inact_init; /* setting for new station */ 308 int iv_inact_auth; /* auth but not assoc setting */ 309 int iv_inact_run; /* authorized setting */ 310 int iv_inact_probe; /* inactive probe time */ 311 312 int iv_des_nssid; /* # desired ssids */ 313 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 314 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 315 struct ieee80211_channel *iv_des_chan; /* desired channel */ 316 uint16_t iv_des_mode; /* desired mode */ 317 int iv_nicknamelen; /* XXX junk */ 318 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 319 u_int iv_bgscanidle; /* bg scan idle threshold */ 320 u_int iv_bgscanintvl; /* bg scan min interval */ 321 u_int iv_scanvalid; /* scan cache valid threshold */ 322 u_int iv_scanreq_duration; 323 u_int iv_scanreq_mindwell; 324 u_int iv_scanreq_maxdwell; 325 uint16_t iv_scanreq_flags;/* held scan request params */ 326 uint8_t iv_scanreq_nssid; 327 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 328 /* sta-mode roaming state */ 329 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 330 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 331 332 uint8_t iv_bmissthreshold; 333 uint8_t iv_bmiss_count; /* current beacon miss count */ 334 int iv_bmiss_max; /* max bmiss before scan */ 335 uint16_t iv_swbmiss_count;/* beacons in last period */ 336 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 337 struct callout iv_swbmiss; /* s/w beacon miss timer */ 338 339 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 340 int iv_ampdu_density;/* A-MPDU density */ 341 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 342 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 343 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 344 345 uint32_t *iv_aid_bitmap; /* association id map */ 346 uint16_t iv_max_aid; 347 uint16_t iv_sta_assoc; /* stations associated */ 348 uint16_t iv_ps_sta; /* stations in power save */ 349 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 350 uint16_t iv_txseq; /* mcast xmit seq# space */ 351 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 352 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 353 uint8_t iv_dtim_period; /* DTIM period */ 354 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 355 /* set/unset aid pwrsav state */ 356 int iv_csa_count; /* count for doing CSA */ 357 358 struct ieee80211_node *iv_bss; /* information for this node */ 359 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 360 uint16_t iv_rtsthreshold; 361 uint16_t iv_fragthreshold; 362 int iv_inact_timer; /* inactivity timer wait */ 363 /* application-specified IE's to attach to mgt frames */ 364 struct ieee80211_appie *iv_appie_beacon; 365 struct ieee80211_appie *iv_appie_probereq; 366 struct ieee80211_appie *iv_appie_proberesp; 367 struct ieee80211_appie *iv_appie_assocreq; 368 struct ieee80211_appie *iv_appie_assocresp; 369 struct ieee80211_appie *iv_appie_wpa; 370 uint8_t *iv_wpa_ie; 371 uint8_t *iv_rsn_ie; 372 uint16_t iv_max_keyix; /* max h/w key index */ 373 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 374 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 375 int (*iv_key_alloc)(struct ieee80211vap *, 376 struct ieee80211_key *, 377 ieee80211_keyix *, ieee80211_keyix *); 378 int (*iv_key_delete)(struct ieee80211vap *, 379 const struct ieee80211_key *); 380 int (*iv_key_set)(struct ieee80211vap *, 381 const struct ieee80211_key *, 382 const uint8_t mac[IEEE80211_ADDR_LEN]); 383 void (*iv_key_update_begin)(struct ieee80211vap *); 384 void (*iv_key_update_end)(struct ieee80211vap *); 385 386 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 387 void *iv_ec; /* private auth state */ 388 389 const struct ieee80211_aclator *iv_acl; /* acl glue */ 390 void *iv_as; /* private aclator state */ 391 392 /* operate-mode detach hook */ 393 void (*iv_opdetach)(struct ieee80211vap *); 394 /* receive processing */ 395 int (*iv_input)(struct ieee80211_node *, 396 struct mbuf *, int rssi, int noise, 397 uint32_t rstamp); 398 void (*iv_recv_mgmt)(struct ieee80211_node *, 399 struct mbuf *, int, int, int, uint32_t); 400 void (*iv_deliver_data)(struct ieee80211vap *, 401 struct ieee80211_node *, struct mbuf *); 402#if 0 403 /* send processing */ 404 int (*iv_send_mgmt)(struct ieee80211_node *, 405 int, int); 406#endif 407 /* beacon miss processing */ 408 void (*iv_bmiss)(struct ieee80211vap *); 409 /* reset device state after 802.11 parameter/state change */ 410 int (*iv_reset)(struct ieee80211vap *, u_long); 411 /* [schedule] beacon frame update */ 412 void (*iv_update_beacon)(struct ieee80211vap *, int); 413 /* power save handling */ 414 void (*iv_update_ps)(struct ieee80211vap *, int); 415 int (*iv_set_tim)(struct ieee80211_node *, int); 416 /* state machine processing */ 417 int (*iv_newstate)(struct ieee80211vap *, 418 enum ieee80211_state, int); 419 /* 802.3 output method for raw frame xmit */ 420 int (*iv_output)(struct ifnet *, struct mbuf *, 421 struct sockaddr *, struct rtentry *); 422}; 423MALLOC_DECLARE(M_80211_VAP); 424 425#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 426#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 427 428/* ic_flags/iv_flags */ 429#define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 430#define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 431#define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 432#define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 433/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 434#define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 435#define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 436#define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 437#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 438#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 439/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 440#define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 441#define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 442#define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 443#define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 444#define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 445#define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 446#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 447#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 448#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 449#define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 450#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 451#define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 452#define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 453#define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 454#define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 455#define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 456#define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 457#define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 458#define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 459#define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 460#define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 461#define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 462#define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 463 464/* Atheros protocol-specific flags */ 465#define IEEE80211_F_ATHEROS \ 466 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 467/* Check if an Atheros capability was negotiated for use */ 468#define IEEE80211_ATH_CAP(vap, ni, bit) \ 469 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 470 471/* ic_flags_ext/iv_flags_ext */ 472#define IEEE80211_FEXT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 473#define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 474#define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 475/* 0x00000006 reserved */ 476#define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 477#define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 478#define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 479#define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 480#define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 481#define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 482#define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 483#define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 484#define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 485/* NB: immutable: should be set only when creating a vap */ 486#define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 487#define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 488#define IEEE80211_FEXT_HT 0x00080000 /* CONF: HT supported */ 489#define IEEE80211_FEXT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 490#define IEEE80211_FEXT_AMPDU_RX 0x00200000 /* CONF: A-MPDU tx supported */ 491#define IEEE80211_FEXT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 492#define IEEE80211_FEXT_AMSDU_RX 0x00800000 /* CONF: A-MSDU tx supported */ 493#define IEEE80211_FEXT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 494#define IEEE80211_FEXT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 495#define IEEE80211_FEXT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 496#define IEEE80211_FEXT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 497#define IEEE80211_FEXT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 498#define IEEE80211_FEXT_RIFS 0x20000000 /* CONF: RIFS enabled */ 499 500/* ic_caps/iv_caps: device driver capabilities */ 501/* 0x2f available */ 502#define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ 503#define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 504#define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 505#define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 506#define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 507#define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 508#define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 509#define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 510#define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 511#define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 512#define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 513#define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 514#define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ 515/* 0x7c0000 available */ 516#define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 517#define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 518#define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 519#define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 520#define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 521#define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 522/* 0x10000000 reserved */ 523#define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 524#define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 525/* XXX protection/barker? */ 526 527#define IEEE80211_C_OPMODE \ 528 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ 529 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS) 530 531/* 532 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities 533 * 534 * NB: the low 16-bits are the 802.11 definitions, the upper 535 * 16-bits are used to define s/w/driver capabilities. 536 */ 537#define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 538#define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 539/* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 540#define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 541#define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/ 542#define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */ 543 544void ieee80211_ifattach(struct ieee80211com *); 545void ieee80211_ifdetach(struct ieee80211com *); 546int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 547 const char name[IFNAMSIZ], int unit, int opmode, int flags, 548 const uint8_t bssid[IEEE80211_ADDR_LEN], 549 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 550int ieee80211_vap_attach(struct ieee80211vap *, 551 ifm_change_cb_t, ifm_stat_cb_t); 552void ieee80211_vap_detach(struct ieee80211vap *); 553const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 554 const struct ieee80211_channel *); 555void ieee80211_announce(struct ieee80211com *); 556void ieee80211_announce_channels(struct ieee80211com *); 557void ieee80211_drain(struct ieee80211com *); 558void ieee80211_media_init(struct ieee80211com *); 559struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 560int ieee80211_media_change(struct ifnet *); 561void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 562int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 563int ieee80211_rate2media(struct ieee80211com *, int, 564 enum ieee80211_phymode); 565int ieee80211_media2rate(int); 566int ieee80211_mhz2ieee(u_int, u_int); 567int ieee80211_chan2ieee(struct ieee80211com *, 568 const struct ieee80211_channel *); 569u_int ieee80211_ieee2mhz(u_int, u_int); 570struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 571 int freq, int flags); 572struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 573 int ieee, int flags); 574int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 575enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 576 577/* 578 * Key update synchronization methods. XXX should not be visible. 579 */ 580static __inline void 581ieee80211_key_update_begin(struct ieee80211vap *vap) 582{ 583 vap->iv_key_update_begin(vap); 584} 585static __inline void 586ieee80211_key_update_end(struct ieee80211vap *vap) 587{ 588 vap->iv_key_update_end(vap); 589} 590 591/* 592 * XXX these need to be here for IEEE80211_F_DATAPAD 593 */ 594 595/* 596 * Return the space occupied by the 802.11 header and any 597 * padding required by the driver. This works for a 598 * management or data frame. 599 */ 600static __inline int 601ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 602{ 603 int size = ieee80211_hdrsize(data); 604 if (ic->ic_flags & IEEE80211_F_DATAPAD) 605 size = roundup(size, sizeof(uint32_t)); 606 return size; 607} 608 609/* 610 * Like ieee80211_hdrspace, but handles any type of frame. 611 */ 612static __inline int 613ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 614{ 615 int size = ieee80211_anyhdrsize(data); 616 if (ic->ic_flags & IEEE80211_F_DATAPAD) 617 size = roundup(size, sizeof(uint32_t)); 618 return size; 619} 620 621/* 622 * Notify a vap that beacon state has been updated. 623 */ 624static __inline void 625ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 626{ 627 if (vap->iv_state == IEEE80211_S_RUN) 628 vap->iv_update_beacon(vap, what); 629} 630 631/* 632 * Calculate HT channel promotion flags for a channel. 633 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FEXT_* 634 */ 635static __inline int 636ieee80211_htchanflags(const struct ieee80211_channel *c) 637{ 638 return IEEE80211_IS_CHAN_HT40(c) ? 639 IEEE80211_FEXT_HT | IEEE80211_FEXT_USEHT40 : 640 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FEXT_HT : 0; 641} 642 643/* 644 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 645 * 646 * The intent is that any problem in the net80211 layer can be 647 * diagnosed by inspecting the statistics (dumped by the wlanstats 648 * program) and/or the msgs generated by net80211. Messages are 649 * broken into functional classes and can be controlled with the 650 * wlandebug program. Certain of these msg groups are for facilities 651 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1X). 652 */ 653#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 654#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 655#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 656#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 657#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 658#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 659#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 660#define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 661#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 662#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 663#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 664#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 665#define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 666#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 667#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */ 668#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 669#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 670#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 671#define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */ 672#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 673#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 674#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 675#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 676#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 677#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 678#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 679#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 680#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 681#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 682#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 683 684#define IEEE80211_MSG_ANY 0xffffffff /* anything */ 685 686#ifdef IEEE80211_DEBUG 687#define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 688#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 689 if (ieee80211_msg(_vap, _m)) \ 690 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 691} while (0) 692#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 693 if (ieee80211_msg(_vap, _m)) \ 694 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 695} while (0) 696#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 697 if (ieee80211_msg(_vap, _m)) \ 698 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 699} while (0) 700#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 701 if (ieee80211_msg(_vap, _m)) \ 702 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 703} while (0) 704void ieee80211_note(struct ieee80211vap *, const char *, ...); 705void ieee80211_note_mac(struct ieee80211vap *, 706 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 707void ieee80211_note_frame(struct ieee80211vap *, 708 const struct ieee80211_frame *, const char *, ...); 709#define ieee80211_msg_debug(_vap) \ 710 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 711#define ieee80211_msg_dumppkts(_vap) \ 712 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 713#define ieee80211_msg_input(_vap) \ 714 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 715#define ieee80211_msg_radius(_vap) \ 716 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 717#define ieee80211_msg_dumpradius(_vap) \ 718 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 719#define ieee80211_msg_dumpradkeys(_vap) \ 720 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 721#define ieee80211_msg_scan(_vap) \ 722 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 723#define ieee80211_msg_assoc(_vap) \ 724 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 725 726/* 727 * Emit a debug message about discarding a frame or information 728 * element. One format is for extracting the mac address from 729 * the frame header; the other is for when a header is not 730 * available or otherwise appropriate. 731 */ 732#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 733 if ((_vap)->iv_debug & (_m)) \ 734 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 735} while (0) 736#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 737 if ((_vap)->iv_debug & (_m)) \ 738 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 739} while (0) 740#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 741 if ((_vap)->iv_debug & (_m)) \ 742 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 743} while (0) 744 745void ieee80211_discard_frame(struct ieee80211vap *, 746 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 747void ieee80211_discard_ie(struct ieee80211vap *, 748 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 749void ieee80211_discard_mac(struct ieee80211vap *, 750 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 751 const char *fmt, ...); 752#else 753#define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 754#define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 755#define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 756#define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 757#define ieee80211_msg_dumppkts(_vap) 0 758#define ieee80211_msg(_vap, _m) 0 759 760#define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 761#define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 762#define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 763#endif 764 765#endif /* _NET80211_IEEE80211_VAR_H_ */ 766