ieee80211_proto.h revision 220445
1116742Ssam/*- 2116904Ssam * Copyright (c) 2001 Atsushi Onoe 3186904Ssam * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4116742Ssam * All rights reserved. 5116742Ssam * 6116742Ssam * Redistribution and use in source and binary forms, with or without 7116742Ssam * modification, are permitted provided that the following conditions 8116742Ssam * are met: 9116742Ssam * 1. Redistributions of source code must retain the above copyright 10116742Ssam * notice, this list of conditions and the following disclaimer. 11116742Ssam * 2. Redistributions in binary form must reproduce the above copyright 12116742Ssam * notice, this list of conditions and the following disclaimer in the 13116742Ssam * documentation and/or other materials provided with the distribution. 14116742Ssam * 15116904Ssam * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16116904Ssam * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17116904Ssam * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18116904Ssam * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19116904Ssam * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20116904Ssam * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21116904Ssam * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22116904Ssam * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23116904Ssam * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24116904Ssam * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25116904Ssam * 26116742Ssam * $FreeBSD: head/sys/net80211/ieee80211_proto.h 220445 2011-04-08 09:20:45Z adrian $ 27116742Ssam */ 28116742Ssam#ifndef _NET80211_IEEE80211_PROTO_H_ 29116742Ssam#define _NET80211_IEEE80211_PROTO_H_ 30116742Ssam 31116742Ssam/* 32116742Ssam * 802.11 protocol implementation definitions. 33116742Ssam */ 34116742Ssam 35116742Ssamenum ieee80211_state { 36117811Ssam IEEE80211_S_INIT = 0, /* default state */ 37117811Ssam IEEE80211_S_SCAN = 1, /* scanning */ 38117811Ssam IEEE80211_S_AUTH = 2, /* try to authenticate */ 39117811Ssam IEEE80211_S_ASSOC = 3, /* try to assoc */ 40172058Ssam IEEE80211_S_CAC = 4, /* doing channel availability check */ 41172058Ssam IEEE80211_S_RUN = 5, /* operational (e.g. associated) */ 42172058Ssam IEEE80211_S_CSA = 6, /* channel switch announce pending */ 43172058Ssam IEEE80211_S_SLEEP = 7, /* power save */ 44116742Ssam}; 45172058Ssam#define IEEE80211_S_MAX (IEEE80211_S_SLEEP+1) 46116742Ssam 47178354Ssam#define IEEE80211_SEND_MGMT(_ni,_type,_arg) \ 48178354Ssam ((*(_ni)->ni_ic->ic_send_mgmt)(_ni, _type, _arg)) 49116742Ssam 50116742Ssamextern const char *ieee80211_mgt_subtype_name[]; 51178959Ssamextern const char *ieee80211_phymode_name[IEEE80211_MODE_MAX]; 52178957Ssamextern const int ieee80211_opcap[IEEE80211_OPMODE_MAX]; 53116742Ssam 54144618Ssamvoid ieee80211_proto_attach(struct ieee80211com *); 55144618Ssamvoid ieee80211_proto_detach(struct ieee80211com *); 56178354Ssamvoid ieee80211_proto_vattach(struct ieee80211vap *); 57178354Ssamvoid ieee80211_proto_vdetach(struct ieee80211vap *); 58116742Ssam 59178354Ssamvoid ieee80211_syncifflag_locked(struct ieee80211com *, int flag); 60178354Ssamvoid ieee80211_syncflag(struct ieee80211vap *, int flag); 61193655Ssamvoid ieee80211_syncflag_ht(struct ieee80211vap *, int flag); 62178354Ssamvoid ieee80211_syncflag_ext(struct ieee80211vap *, int flag); 63178354Ssam 64220445Sadrian#define IEEE80211_R_NF 0x0000001 /* global NF value valid */ 65220445Sadrian#define IEEE80211_R_RSSI 0x0000002 /* global RSSI value valid */ 66220445Sadrian#define IEEE80211_R_C_CHAIN 0x0000004 /* RX chain count valid */ 67220445Sadrian#define IEEE80211_R_C_NF 0x0000008 /* per-chain NF value valid */ 68220445Sadrian#define IEEE80211_R_C_RSSI 0x0000010 /* per-chain RSSI value valid */ 69220445Sadrian#define IEEE80211_R_C_EVM 0x0000020 /* per-chain EVM valid */ 70220445Sadrian#define IEEE80211_R_C_HT40 0x0000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */ 71220445Sadrian 72220445Sadrianstruct ieee80211_rx_stats { 73220445Sadrian uint32_t r_flags; /* IEEE80211_R_* flags */ 74220445Sadrian uint8_t c_chain; /* number of RX chains involved */ 75220445Sadrian int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 76220445Sadrian int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */ 77220445Sadrian int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 78220445Sadrian int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ 79220445Sadrian uint8_t nf; /* global NF */ 80220445Sadrian uint8_t rssi; /* global RSSI */ 81220445Sadrian uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS]; 82220445Sadrian /* per-chain, per-pilot EVM values */ 83220445Sadrian}; 84220445Sadrian 85192468Ssam#define ieee80211_input(ni, m, rssi, nf) \ 86192468Ssam ((ni)->ni_vap->iv_input(ni, m, rssi, nf)) 87192468Ssamint ieee80211_input_all(struct ieee80211com *, struct mbuf *, int, int); 88220445Sadrian 89220445Sadrianint ieee80211_input_mimo(struct ieee80211_node *, struct mbuf *, 90220445Sadrian struct ieee80211_rx_stats *); 91220445Sadrianint ieee80211_input_mimo_all(struct ieee80211com *, struct mbuf *, 92220445Sadrian struct ieee80211_rx_stats *); 93220445Sadrian 94184287Ssamstruct ieee80211_bpf_params; 95184282Ssamint ieee80211_mgmt_output(struct ieee80211_node *, struct mbuf *, int, 96184282Ssam struct ieee80211_bpf_params *); 97160690Ssamint ieee80211_raw_xmit(struct ieee80211_node *, struct mbuf *, 98160690Ssam const struct ieee80211_bpf_params *); 99160690Ssamint ieee80211_output(struct ifnet *, struct mbuf *, 100191148Skmacy struct sockaddr *, struct route *ro); 101195618Srpaulovoid ieee80211_send_setup(struct ieee80211_node *, struct mbuf *, int, int, 102195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN], const uint8_t [IEEE80211_ADDR_LEN], 103195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 104178354Ssamvoid ieee80211_start(struct ifnet *); 105148301Ssamint ieee80211_send_nulldata(struct ieee80211_node *); 106178354Ssamint ieee80211_classify(struct ieee80211_node *, struct mbuf *m); 107190391Ssamstruct mbuf *ieee80211_mbuf_adjust(struct ieee80211vap *, int, 108190579Ssam struct ieee80211_key *, struct mbuf *); 109190579Ssamstruct mbuf *ieee80211_encap(struct ieee80211vap *, struct ieee80211_node *, 110190579Ssam struct mbuf *); 111178354Ssamint ieee80211_send_mgmt(struct ieee80211_node *, int, int); 112178354Ssamstruct ieee80211_appie; 113148315Ssamint ieee80211_send_probereq(struct ieee80211_node *ni, 114170530Ssam const uint8_t sa[IEEE80211_ADDR_LEN], 115170530Ssam const uint8_t da[IEEE80211_ADDR_LEN], 116170530Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], 117178354Ssam const uint8_t *ssid, size_t ssidlen); 118178354Ssam/* 119178354Ssam * The formation of ProbeResponse frames requires guidance to 120178354Ssam * deal with legacy clients. When the client is identified as 121178354Ssam * "legacy 11b" ieee80211_send_proberesp is passed this token. 122178354Ssam */ 123178354Ssam#define IEEE80211_SEND_LEGACY_11B 0x1 /* legacy 11b client */ 124178354Ssam#define IEEE80211_SEND_LEGACY_11 0x2 /* other legacy client */ 125178354Ssam#define IEEE80211_SEND_LEGACY 0x3 /* any legacy client */ 126178354Ssamstruct mbuf *ieee80211_alloc_proberesp(struct ieee80211_node *, int); 127178354Ssamint ieee80211_send_proberesp(struct ieee80211vap *, 128178354Ssam const uint8_t da[IEEE80211_ADDR_LEN], int); 129178354Ssamstruct mbuf *ieee80211_alloc_rts(struct ieee80211com *ic, 130178354Ssam const uint8_t [IEEE80211_ADDR_LEN], 131178354Ssam const uint8_t [IEEE80211_ADDR_LEN], uint16_t); 132178354Ssamstruct mbuf *ieee80211_alloc_cts(struct ieee80211com *, 133178354Ssam const uint8_t [IEEE80211_ADDR_LEN], uint16_t); 134138568Ssam 135195618Srpaulouint8_t *ieee80211_add_rates(uint8_t *, const struct ieee80211_rateset *); 136195618Srpaulouint8_t *ieee80211_add_xrates(uint8_t *, const struct ieee80211_rateset *); 137195618Srpaulouint16_t ieee80211_getcapinfo(struct ieee80211vap *, 138195618Srpaulo struct ieee80211_channel *); 139195618Srpaulo 140144618Ssamvoid ieee80211_reset_erp(struct ieee80211com *); 141144618Ssamvoid ieee80211_set_shortslottime(struct ieee80211com *, int onoff); 142178354Ssamint ieee80211_iserp_rateset(const struct ieee80211_rateset *); 143178354Ssamvoid ieee80211_setbasicrates(struct ieee80211_rateset *, 144138568Ssam enum ieee80211_phymode); 145178354Ssamvoid ieee80211_addbasicrates(struct ieee80211_rateset *, 146178354Ssam enum ieee80211_phymode); 147138568Ssam 148138568Ssam/* 149138568Ssam * Return the size of the 802.11 header for a management or data frame. 150138568Ssam */ 151139525Ssamstatic __inline int 152138568Ssamieee80211_hdrsize(const void *data) 153138568Ssam{ 154138568Ssam const struct ieee80211_frame *wh = data; 155138568Ssam int size = sizeof(struct ieee80211_frame); 156138568Ssam 157138568Ssam /* NB: we don't handle control frames */ 158138568Ssam KASSERT((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_CTL, 159138568Ssam ("%s: control frame", __func__)); 160193840Ssam if (IEEE80211_IS_DSTODS(wh)) 161138568Ssam size += IEEE80211_ADDR_LEN; 162138568Ssam if (IEEE80211_QOS_HAS_SEQ(wh)) 163170530Ssam size += sizeof(uint16_t); 164138568Ssam return size; 165138568Ssam} 166138568Ssam 167138568Ssam/* 168170530Ssam * Like ieee80211_hdrsize, but handles any type of frame. 169138568Ssam */ 170139525Ssamstatic __inline int 171138568Ssamieee80211_anyhdrsize(const void *data) 172138568Ssam{ 173138568Ssam const struct ieee80211_frame *wh = data; 174138568Ssam 175138568Ssam if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 176138568Ssam switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) { 177138568Ssam case IEEE80211_FC0_SUBTYPE_CTS: 178138568Ssam case IEEE80211_FC0_SUBTYPE_ACK: 179138568Ssam return sizeof(struct ieee80211_frame_ack); 180170530Ssam case IEEE80211_FC0_SUBTYPE_BAR: 181170530Ssam return sizeof(struct ieee80211_frame_bar); 182138568Ssam } 183138568Ssam return sizeof(struct ieee80211_frame_min); 184138568Ssam } else 185138568Ssam return ieee80211_hdrsize(data); 186138568Ssam} 187138568Ssam 188138568Ssam/* 189138568Ssam * Template for an in-kernel authenticator. Authenticators 190138568Ssam * register with the protocol code and are typically loaded 191178354Ssam * as separate modules as needed. One special authenticator 192178354Ssam * is xauth; it intercepts requests so that protocols like 193178354Ssam * WPA can be handled in user space. 194138568Ssam */ 195138568Ssamstruct ieee80211_authenticator { 196138568Ssam const char *ia_name; /* printable name */ 197178354Ssam int (*ia_attach)(struct ieee80211vap *); 198178354Ssam void (*ia_detach)(struct ieee80211vap *); 199178354Ssam void (*ia_node_join)(struct ieee80211_node *); 200178354Ssam void (*ia_node_leave)(struct ieee80211_node *); 201138568Ssam}; 202144618Ssamvoid ieee80211_authenticator_register(int type, 203138568Ssam const struct ieee80211_authenticator *); 204144618Ssamvoid ieee80211_authenticator_unregister(int type); 205144618Ssamconst struct ieee80211_authenticator *ieee80211_authenticator_get(int auth); 206138568Ssam 207149028Ssamstruct ieee80211req; 208138568Ssam/* 209138568Ssam * Template for an MAC ACL policy module. Such modules 210138568Ssam * register with the protocol code and are passed the sender's 211178354Ssam * address of each received auth frame for validation. 212138568Ssam */ 213138568Ssamstruct ieee80211_aclator { 214138568Ssam const char *iac_name; /* printable name */ 215178354Ssam int (*iac_attach)(struct ieee80211vap *); 216178354Ssam void (*iac_detach)(struct ieee80211vap *); 217178354Ssam int (*iac_check)(struct ieee80211vap *, 218170530Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 219178354Ssam int (*iac_add)(struct ieee80211vap *, 220170530Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 221178354Ssam int (*iac_remove)(struct ieee80211vap *, 222170530Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 223178354Ssam int (*iac_flush)(struct ieee80211vap *); 224178354Ssam int (*iac_setpolicy)(struct ieee80211vap *, int); 225178354Ssam int (*iac_getpolicy)(struct ieee80211vap *); 226178354Ssam int (*iac_setioctl)(struct ieee80211vap *, struct ieee80211req *); 227178354Ssam int (*iac_getioctl)(struct ieee80211vap *, struct ieee80211req *); 228138568Ssam}; 229144618Ssamvoid ieee80211_aclator_register(const struct ieee80211_aclator *); 230144618Ssamvoid ieee80211_aclator_unregister(const struct ieee80211_aclator *); 231144618Ssamconst struct ieee80211_aclator *ieee80211_aclator_get(const char *name); 232138568Ssam 233138568Ssam/* flags for ieee80211_fix_rate() */ 234138568Ssam#define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */ 235178354Ssam#define IEEE80211_F_DOFRATE 0x00000002 /* use fixed legacy rate */ 236138568Ssam#define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */ 237138568Ssam#define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */ 238170530Ssam#define IEEE80211_F_DOBRS 0x00000010 /* check basic rate set */ 239170530Ssam#define IEEE80211_F_JOIN 0x00000020 /* sta joining our bss */ 240178354Ssam#define IEEE80211_F_DOFMCS 0x00000040 /* use fixed HT rate */ 241167442Ssamint ieee80211_fix_rate(struct ieee80211_node *, 242167442Ssam struct ieee80211_rateset *, int); 243138568Ssam 244138568Ssam/* 245138568Ssam * WME/WMM support. 246138568Ssam */ 247138568Ssamstruct wmeParams { 248170530Ssam uint8_t wmep_acm; 249170530Ssam uint8_t wmep_aifsn; 250170530Ssam uint8_t wmep_logcwmin; /* log2(cwmin) */ 251170530Ssam uint8_t wmep_logcwmax; /* log2(cwmax) */ 252170530Ssam uint8_t wmep_txopLimit; 253170530Ssam uint8_t wmep_noackPolicy; /* 0 (ack), 1 (no ack) */ 254138568Ssam}; 255140762Ssam#define IEEE80211_TXOP_TO_US(_txop) ((_txop)<<5) 256140762Ssam#define IEEE80211_US_TO_TXOP(_us) ((_us)>>5) 257138568Ssam 258138568Ssamstruct chanAccParams { 259170530Ssam uint8_t cap_info; /* version of the current set */ 260138568Ssam struct wmeParams cap_wmeParams[WME_NUM_AC]; 261138568Ssam}; 262138568Ssam 263138568Ssamstruct ieee80211_wme_state { 264138568Ssam u_int wme_flags; 265138568Ssam#define WME_F_AGGRMODE 0x00000001 /* STATUS: WME agressive mode */ 266138568Ssam u_int wme_hipri_traffic; /* VI/VO frames in beacon interval */ 267138568Ssam u_int wme_hipri_switch_thresh;/* agressive mode switch thresh */ 268138568Ssam u_int wme_hipri_switch_hysteresis;/* agressive mode switch hysteresis */ 269138568Ssam 270138568Ssam struct wmeParams wme_params[4]; /* from assoc resp for each AC*/ 271138568Ssam struct chanAccParams wme_wmeChanParams; /* WME params applied to self */ 272138568Ssam struct chanAccParams wme_wmeBssChanParams;/* WME params bcast to stations */ 273138568Ssam struct chanAccParams wme_chanParams; /* params applied to self */ 274138568Ssam struct chanAccParams wme_bssChanParams; /* params bcast to stations */ 275138568Ssam 276138568Ssam int (*wme_update)(struct ieee80211com *); 277138568Ssam}; 278138568Ssam 279178354Ssamvoid ieee80211_wme_initparams(struct ieee80211vap *); 280178354Ssamvoid ieee80211_wme_updateparams(struct ieee80211vap *); 281178354Ssamvoid ieee80211_wme_updateparams_locked(struct ieee80211vap *); 282138568Ssam 283178354Ssam/* 284178354Ssam * Return the WME TID from a QoS frame. If no TID 285178354Ssam * is present return the index for the "non-QoS" entry. 286178354Ssam */ 287178354Ssamstatic __inline uint8_t 288178354Ssamieee80211_gettid(const struct ieee80211_frame *wh) 289178354Ssam{ 290178354Ssam uint8_t tid; 291178354Ssam 292178354Ssam if (IEEE80211_QOS_HAS_SEQ(wh)) { 293193840Ssam if (IEEE80211_IS_DSTODS(wh)) 294193840Ssam tid = ((const struct ieee80211_qosframe_addr4 *)wh)-> 295193840Ssam i_qos[0]; 296193840Ssam else 297193840Ssam tid = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 298193840Ssam tid &= IEEE80211_QOS_TID; 299178354Ssam } else 300178354Ssam tid = IEEE80211_NONQOS_TID; 301178354Ssam return tid; 302178354Ssam} 303178354Ssam 304188533Sthompsavoid ieee80211_waitfor_parent(struct ieee80211com *); 305178354Ssamvoid ieee80211_start_locked(struct ieee80211vap *); 306178354Ssamvoid ieee80211_init(void *); 307178354Ssamvoid ieee80211_start_all(struct ieee80211com *); 308178354Ssamvoid ieee80211_stop_locked(struct ieee80211vap *); 309178354Ssamvoid ieee80211_stop(struct ieee80211vap *); 310178354Ssamvoid ieee80211_stop_all(struct ieee80211com *); 311179391Ssamvoid ieee80211_suspend_all(struct ieee80211com *); 312179391Ssamvoid ieee80211_resume_all(struct ieee80211com *); 313178354Ssamvoid ieee80211_dturbo_switch(struct ieee80211vap *, int newflags); 314178354Ssamvoid ieee80211_swbmiss(void *arg); 315153349Ssamvoid ieee80211_beacon_miss(struct ieee80211com *); 316178354Ssamint ieee80211_new_state(struct ieee80211vap *, enum ieee80211_state, int); 317170530Ssamvoid ieee80211_print_essid(const uint8_t *, int); 318170530Ssamvoid ieee80211_dump_pkt(struct ieee80211com *, 319170530Ssam const uint8_t *, int, int, int); 320117811Ssam 321167283Ssamextern const char *ieee80211_opmode_name[]; 322117811Ssamextern const char *ieee80211_state_name[IEEE80211_S_MAX]; 323138568Ssamextern const char *ieee80211_wme_acnames[]; 324138568Ssam 325138568Ssam/* 326138568Ssam * Beacon frames constructed by ieee80211_beacon_alloc 327138568Ssam * have the following structure filled in so drivers 328138568Ssam * can update the frame later w/ minimal overhead. 329138568Ssam */ 330138568Ssamstruct ieee80211_beacon_offsets { 331172211Ssam uint8_t bo_flags[4]; /* update/state flags */ 332170530Ssam uint16_t *bo_caps; /* capabilities */ 333172211Ssam uint8_t *bo_cfp; /* start of CFParms element */ 334170530Ssam uint8_t *bo_tim; /* start of atim/dtim */ 335170530Ssam uint8_t *bo_wme; /* start of WME parameters */ 336186904Ssam uint8_t *bo_tdma; /* start of TDMA parameters */ 337172211Ssam uint8_t *bo_tim_trailer;/* start of fixed-size trailer */ 338170530Ssam uint16_t bo_tim_len; /* atim/dtim length in bytes */ 339172211Ssam uint16_t bo_tim_trailer_len;/* tim trailer length in bytes */ 340170530Ssam uint8_t *bo_erp; /* start of ERP element */ 341170530Ssam uint8_t *bo_htinfo; /* start of HT info element */ 342190451Ssam uint8_t *bo_ath; /* start of ATH parameters */ 343172211Ssam uint8_t *bo_appie; /* start of AppIE element */ 344172211Ssam uint16_t bo_appie_len; /* AppIE length in bytes */ 345199187Santoine uint16_t bo_csa_trailer_len; 346172211Ssam uint8_t *bo_csa; /* start of CSA element */ 347198242Srpaulo uint8_t *bo_meshconf; /* start of MESHCONF element */ 348198242Srpaulo uint8_t *bo_spare[3]; 349138568Ssam}; 350172211Ssamstruct mbuf *ieee80211_beacon_alloc(struct ieee80211_node *, 351172211Ssam struct ieee80211_beacon_offsets *); 352138568Ssam 353138568Ssam/* 354178354Ssam * Beacon frame updates are signaled through calls to iv_update_beacon 355172211Ssam * with one of the IEEE80211_BEACON_* tokens defined below. For devices 356172211Ssam * that construct beacon frames on the host this can trigger a rebuild 357172211Ssam * or defer the processing. For devices that offload beacon frame 358172211Ssam * handling this callback can be used to signal a rebuild. The bo_flags 359172211Ssam * array in the ieee80211_beacon_offsets structure is intended to record 360172211Ssam * deferred processing requirements; ieee80211_beacon_update uses the 361172211Ssam * state to optimize work. Since this structure is owned by the driver 362178354Ssam * and not visible to the 802.11 layer drivers must supply an iv_update_beacon 363172211Ssam * callback that marks the flag bits and schedules (as necessary) an update. 364172211Ssam */ 365172211Ssamenum { 366172211Ssam IEEE80211_BEACON_CAPS = 0, /* capabilities */ 367172211Ssam IEEE80211_BEACON_TIM = 1, /* DTIM/ATIM */ 368172211Ssam IEEE80211_BEACON_WME = 2, 369172211Ssam IEEE80211_BEACON_ERP = 3, /* Extended Rate Phy */ 370172211Ssam IEEE80211_BEACON_HTINFO = 4, /* HT Information */ 371172211Ssam IEEE80211_BEACON_APPIE = 5, /* Application IE's */ 372172211Ssam IEEE80211_BEACON_CFP = 6, /* CFParms */ 373172211Ssam IEEE80211_BEACON_CSA = 7, /* Channel Switch Announcement */ 374186904Ssam IEEE80211_BEACON_TDMA = 9, /* TDMA Info */ 375190451Ssam IEEE80211_BEACON_ATH = 10, /* ATH parameters */ 376198242Srpaulo IEEE80211_BEACON_MESHCONF = 11, /* Mesh Configuration */ 377172211Ssam}; 378172211Ssamint ieee80211_beacon_update(struct ieee80211_node *, 379172211Ssam struct ieee80211_beacon_offsets *, struct mbuf *, int mcast); 380172211Ssam 381178354Ssamvoid ieee80211_csa_startswitch(struct ieee80211com *, 382178354Ssam struct ieee80211_channel *, int mode, int count); 383178354Ssamvoid ieee80211_csa_completeswitch(struct ieee80211com *); 384193439Ssamvoid ieee80211_csa_cancelswitch(struct ieee80211com *); 385178354Ssamvoid ieee80211_cac_completeswitch(struct ieee80211vap *); 386178354Ssam 387172211Ssam/* 388138568Ssam * Notification methods called from the 802.11 state machine. 389138568Ssam * Note that while these are defined here, their implementation 390138568Ssam * is OS-specific. 391138568Ssam */ 392178354Ssamvoid ieee80211_notify_node_join(struct ieee80211_node *, int newassoc); 393178354Ssamvoid ieee80211_notify_node_leave(struct ieee80211_node *); 394178354Ssamvoid ieee80211_notify_scan_done(struct ieee80211vap *); 395178354Ssamvoid ieee80211_notify_wds_discover(struct ieee80211_node *); 396178354Ssamvoid ieee80211_notify_csa(struct ieee80211com *, 397178354Ssam const struct ieee80211_channel *, int mode, int count); 398178354Ssamvoid ieee80211_notify_radar(struct ieee80211com *, 399178354Ssam const struct ieee80211_channel *); 400178354Ssamenum ieee80211_notify_cac_event { 401178354Ssam IEEE80211_NOTIFY_CAC_START = 0, /* CAC timer started */ 402178354Ssam IEEE80211_NOTIFY_CAC_STOP = 1, /* CAC intentionally stopped */ 403178354Ssam IEEE80211_NOTIFY_CAC_RADAR = 2, /* CAC stopped due to radar detectio */ 404178354Ssam IEEE80211_NOTIFY_CAC_EXPIRE = 3, /* CAC expired w/o radar */ 405178354Ssam}; 406178354Ssamvoid ieee80211_notify_cac(struct ieee80211com *, 407178354Ssam const struct ieee80211_channel *, 408178354Ssam enum ieee80211_notify_cac_event); 409178354Ssamvoid ieee80211_notify_node_deauth(struct ieee80211_node *); 410178354Ssamvoid ieee80211_notify_node_auth(struct ieee80211_node *); 411178354Ssamvoid ieee80211_notify_country(struct ieee80211vap *, const uint8_t [], 412178354Ssam const uint8_t cc[2]); 413178354Ssamvoid ieee80211_notify_radio(struct ieee80211com *, int); 414116742Ssam#endif /* _NET80211_IEEE80211_PROTO_H_ */ 415