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: stable/11/sys/net80211/ieee80211_proto.h 344969 2019-03-09 12:54:10Z avos $ 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 50298376Savosextern const char *mgt_subtype_name[]; 51298376Savosextern const char *ctl_subtype_name[]; 52178959Ssamextern const char *ieee80211_phymode_name[IEEE80211_MODE_MAX]; 53178957Ssamextern const int ieee80211_opcap[IEEE80211_OPMODE_MAX]; 54116742Ssam 55298376Savosstatic __inline const char * 56298376Savosieee80211_mgt_subtype_name(uint8_t subtype) 57298376Savos{ 58298376Savos return mgt_subtype_name[(subtype & IEEE80211_FC0_SUBTYPE_MASK) >> 59298376Savos IEEE80211_FC0_SUBTYPE_SHIFT]; 60298376Savos} 61298376Savos 62298376Savosstatic __inline const char * 63298376Savosieee80211_ctl_subtype_name(uint8_t subtype) 64298376Savos{ 65298376Savos return ctl_subtype_name[(subtype & IEEE80211_FC0_SUBTYPE_MASK) >> 66298376Savos IEEE80211_FC0_SUBTYPE_SHIFT]; 67298376Savos} 68298376Savos 69298364Savosconst char *ieee80211_reason_to_string(uint16_t); 70298364Savos 71144618Ssamvoid ieee80211_proto_attach(struct ieee80211com *); 72144618Ssamvoid ieee80211_proto_detach(struct ieee80211com *); 73178354Ssamvoid ieee80211_proto_vattach(struct ieee80211vap *); 74178354Ssamvoid ieee80211_proto_vdetach(struct ieee80211vap *); 75116742Ssam 76287197Sglebiusvoid ieee80211_promisc(struct ieee80211vap *, bool); 77287197Sglebiusvoid ieee80211_allmulti(struct ieee80211vap *, bool); 78178354Ssamvoid ieee80211_syncflag(struct ieee80211vap *, int flag); 79193655Ssamvoid ieee80211_syncflag_ht(struct ieee80211vap *, int flag); 80178354Ssamvoid ieee80211_syncflag_ext(struct ieee80211vap *, int flag); 81178354Ssam 82192468Ssam#define ieee80211_input(ni, m, rssi, nf) \ 83283535Sadrian ((ni)->ni_vap->iv_input(ni, m, NULL, rssi, nf)) 84192468Ssamint ieee80211_input_all(struct ieee80211com *, struct mbuf *, int, int); 85220445Sadrian 86330576Seadlerint ieee80211_input_mimo(struct ieee80211_node *, struct mbuf *, 87330576Seadler struct ieee80211_rx_stats *); 88330576Seadlerint ieee80211_input_mimo_all(struct ieee80211com *, struct mbuf *, 89330576Seadler struct ieee80211_rx_stats *); 90220445Sadrian 91184287Ssamstruct ieee80211_bpf_params; 92184282Ssamint ieee80211_mgmt_output(struct ieee80211_node *, struct mbuf *, int, 93184282Ssam struct ieee80211_bpf_params *); 94160690Ssamint ieee80211_raw_xmit(struct ieee80211_node *, struct mbuf *, 95160690Ssam const struct ieee80211_bpf_params *); 96160690Ssamint ieee80211_output(struct ifnet *, struct mbuf *, 97249925Sglebius const struct sockaddr *, struct route *ro); 98253743Sadrianint ieee80211_vap_pkt_send_dest(struct ieee80211vap *, struct mbuf *, 99253743Sadrian struct ieee80211_node *); 100248069Sadrianint ieee80211_raw_output(struct ieee80211vap *, struct ieee80211_node *, 101248069Sadrian struct mbuf *, const struct ieee80211_bpf_params *); 102195618Srpaulovoid ieee80211_send_setup(struct ieee80211_node *, struct mbuf *, int, int, 103195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN], const uint8_t [IEEE80211_ADDR_LEN], 104195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 105254082Sadrianint ieee80211_vap_transmit(struct ifnet *ifp, struct mbuf *m); 106254082Sadrianvoid ieee80211_vap_qflush(struct ifnet *ifp); 107148301Ssamint ieee80211_send_nulldata(struct ieee80211_node *); 108178354Ssamint ieee80211_classify(struct ieee80211_node *, struct mbuf *m); 109190391Ssamstruct mbuf *ieee80211_mbuf_adjust(struct ieee80211vap *, int, 110190579Ssam struct ieee80211_key *, struct mbuf *); 111190579Ssamstruct mbuf *ieee80211_encap(struct ieee80211vap *, struct ieee80211_node *, 112190579Ssam struct mbuf *); 113289162Sadrianvoid ieee80211_free_mbuf(struct mbuf *); 114178354Ssamint ieee80211_send_mgmt(struct ieee80211_node *, int, int); 115178354Ssamstruct ieee80211_appie; 116148315Ssamint ieee80211_send_probereq(struct ieee80211_node *ni, 117170530Ssam const uint8_t sa[IEEE80211_ADDR_LEN], 118170530Ssam const uint8_t da[IEEE80211_ADDR_LEN], 119170530Ssam const uint8_t bssid[IEEE80211_ADDR_LEN], 120178354Ssam const uint8_t *ssid, size_t ssidlen); 121254900Sadrianstruct mbuf * ieee80211_ff_encap1(struct ieee80211vap *, struct mbuf *, 122254900Sadrian const struct ether_header *); 123254956Sadrianvoid ieee80211_tx_complete(struct ieee80211_node *, 124254956Sadrian struct mbuf *, int); 125254900Sadrian 126178354Ssam/* 127178354Ssam * The formation of ProbeResponse frames requires guidance to 128178354Ssam * deal with legacy clients. When the client is identified as 129178354Ssam * "legacy 11b" ieee80211_send_proberesp is passed this token. 130178354Ssam */ 131178354Ssam#define IEEE80211_SEND_LEGACY_11B 0x1 /* legacy 11b client */ 132178354Ssam#define IEEE80211_SEND_LEGACY_11 0x2 /* other legacy client */ 133178354Ssam#define IEEE80211_SEND_LEGACY 0x3 /* any legacy client */ 134178354Ssamstruct mbuf *ieee80211_alloc_proberesp(struct ieee80211_node *, int); 135178354Ssamint ieee80211_send_proberesp(struct ieee80211vap *, 136178354Ssam const uint8_t da[IEEE80211_ADDR_LEN], int); 137178354Ssamstruct mbuf *ieee80211_alloc_rts(struct ieee80211com *ic, 138178354Ssam const uint8_t [IEEE80211_ADDR_LEN], 139178354Ssam const uint8_t [IEEE80211_ADDR_LEN], uint16_t); 140178354Ssamstruct mbuf *ieee80211_alloc_cts(struct ieee80211com *, 141178354Ssam const uint8_t [IEEE80211_ADDR_LEN], uint16_t); 142138568Ssam 143195618Srpaulouint8_t *ieee80211_add_rates(uint8_t *, const struct ieee80211_rateset *); 144195618Srpaulouint8_t *ieee80211_add_xrates(uint8_t *, const struct ieee80211_rateset *); 145275928Sadrianuint8_t *ieee80211_add_ssid(uint8_t *, const uint8_t *, u_int); 146253639Srpaulouint8_t *ieee80211_add_wpa(uint8_t *, const struct ieee80211vap *); 147253639Srpaulouint8_t *ieee80211_add_rsn(uint8_t *, const struct ieee80211vap *); 148253639Srpaulouint8_t *ieee80211_add_qos(uint8_t *, const struct ieee80211_node *); 149195618Srpaulouint16_t ieee80211_getcapinfo(struct ieee80211vap *, 150195618Srpaulo struct ieee80211_channel *); 151287946Sadrianstruct ieee80211_wme_state; 152287946Sadrianuint8_t * ieee80211_add_wme_info(uint8_t *frm, struct ieee80211_wme_state *wme); 153195618Srpaulo 154144618Ssamvoid ieee80211_reset_erp(struct ieee80211com *); 155144618Ssamvoid ieee80211_set_shortslottime(struct ieee80211com *, int onoff); 156178354Ssamint ieee80211_iserp_rateset(const struct ieee80211_rateset *); 157178354Ssamvoid ieee80211_setbasicrates(struct ieee80211_rateset *, 158138568Ssam enum ieee80211_phymode); 159178354Ssamvoid ieee80211_addbasicrates(struct ieee80211_rateset *, 160178354Ssam enum ieee80211_phymode); 161138568Ssam 162138568Ssam/* 163138568Ssam * Return the size of the 802.11 header for a management or data frame. 164138568Ssam */ 165139525Ssamstatic __inline int 166138568Ssamieee80211_hdrsize(const void *data) 167138568Ssam{ 168138568Ssam const struct ieee80211_frame *wh = data; 169138568Ssam int size = sizeof(struct ieee80211_frame); 170138568Ssam 171138568Ssam /* NB: we don't handle control frames */ 172138568Ssam KASSERT((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_CTL, 173138568Ssam ("%s: control frame", __func__)); 174193840Ssam if (IEEE80211_IS_DSTODS(wh)) 175138568Ssam size += IEEE80211_ADDR_LEN; 176138568Ssam if (IEEE80211_QOS_HAS_SEQ(wh)) 177170530Ssam size += sizeof(uint16_t); 178138568Ssam return size; 179138568Ssam} 180138568Ssam 181138568Ssam/* 182170530Ssam * Like ieee80211_hdrsize, but handles any type of frame. 183138568Ssam */ 184139525Ssamstatic __inline int 185138568Ssamieee80211_anyhdrsize(const void *data) 186138568Ssam{ 187138568Ssam const struct ieee80211_frame *wh = data; 188138568Ssam 189138568Ssam if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 190138568Ssam switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) { 191138568Ssam case IEEE80211_FC0_SUBTYPE_CTS: 192138568Ssam case IEEE80211_FC0_SUBTYPE_ACK: 193138568Ssam return sizeof(struct ieee80211_frame_ack); 194170530Ssam case IEEE80211_FC0_SUBTYPE_BAR: 195170530Ssam return sizeof(struct ieee80211_frame_bar); 196138568Ssam } 197138568Ssam return sizeof(struct ieee80211_frame_min); 198138568Ssam } else 199138568Ssam return ieee80211_hdrsize(data); 200138568Ssam} 201138568Ssam 202138568Ssam/* 203138568Ssam * Template for an in-kernel authenticator. Authenticators 204138568Ssam * register with the protocol code and are typically loaded 205178354Ssam * as separate modules as needed. One special authenticator 206178354Ssam * is xauth; it intercepts requests so that protocols like 207178354Ssam * WPA can be handled in user space. 208138568Ssam */ 209138568Ssamstruct ieee80211_authenticator { 210138568Ssam const char *ia_name; /* printable name */ 211178354Ssam int (*ia_attach)(struct ieee80211vap *); 212178354Ssam void (*ia_detach)(struct ieee80211vap *); 213178354Ssam void (*ia_node_join)(struct ieee80211_node *); 214178354Ssam void (*ia_node_leave)(struct ieee80211_node *); 215138568Ssam}; 216144618Ssamvoid ieee80211_authenticator_register(int type, 217138568Ssam const struct ieee80211_authenticator *); 218144618Ssamvoid ieee80211_authenticator_unregister(int type); 219144618Ssamconst struct ieee80211_authenticator *ieee80211_authenticator_get(int auth); 220138568Ssam 221149028Ssamstruct ieee80211req; 222138568Ssam/* 223138568Ssam * Template for an MAC ACL policy module. Such modules 224138568Ssam * register with the protocol code and are passed the sender's 225178354Ssam * address of each received auth frame for validation. 226138568Ssam */ 227138568Ssamstruct ieee80211_aclator { 228138568Ssam const char *iac_name; /* printable name */ 229178354Ssam int (*iac_attach)(struct ieee80211vap *); 230178354Ssam void (*iac_detach)(struct ieee80211vap *); 231178354Ssam int (*iac_check)(struct ieee80211vap *, 232228622Sbschmidt const struct ieee80211_frame *wh); 233178354Ssam int (*iac_add)(struct ieee80211vap *, 234170530Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 235178354Ssam int (*iac_remove)(struct ieee80211vap *, 236170530Ssam const uint8_t mac[IEEE80211_ADDR_LEN]); 237178354Ssam int (*iac_flush)(struct ieee80211vap *); 238178354Ssam int (*iac_setpolicy)(struct ieee80211vap *, int); 239178354Ssam int (*iac_getpolicy)(struct ieee80211vap *); 240178354Ssam int (*iac_setioctl)(struct ieee80211vap *, struct ieee80211req *); 241178354Ssam int (*iac_getioctl)(struct ieee80211vap *, struct ieee80211req *); 242138568Ssam}; 243144618Ssamvoid ieee80211_aclator_register(const struct ieee80211_aclator *); 244144618Ssamvoid ieee80211_aclator_unregister(const struct ieee80211_aclator *); 245144618Ssamconst struct ieee80211_aclator *ieee80211_aclator_get(const char *name); 246138568Ssam 247138568Ssam/* flags for ieee80211_fix_rate() */ 248138568Ssam#define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */ 249178354Ssam#define IEEE80211_F_DOFRATE 0x00000002 /* use fixed legacy rate */ 250138568Ssam#define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */ 251138568Ssam#define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */ 252170530Ssam#define IEEE80211_F_DOBRS 0x00000010 /* check basic rate set */ 253170530Ssam#define IEEE80211_F_JOIN 0x00000020 /* sta joining our bss */ 254178354Ssam#define IEEE80211_F_DOFMCS 0x00000040 /* use fixed HT rate */ 255167442Ssamint ieee80211_fix_rate(struct ieee80211_node *, 256167442Ssam struct ieee80211_rateset *, int); 257138568Ssam 258138568Ssam/* 259138568Ssam * WME/WMM support. 260138568Ssam */ 261138568Ssamstruct wmeParams { 262170530Ssam uint8_t wmep_acm; 263170530Ssam uint8_t wmep_aifsn; 264170530Ssam uint8_t wmep_logcwmin; /* log2(cwmin) */ 265170530Ssam uint8_t wmep_logcwmax; /* log2(cwmax) */ 266170530Ssam uint8_t wmep_txopLimit; 267170530Ssam uint8_t wmep_noackPolicy; /* 0 (ack), 1 (no ack) */ 268138568Ssam}; 269140762Ssam#define IEEE80211_TXOP_TO_US(_txop) ((_txop)<<5) 270140762Ssam#define IEEE80211_US_TO_TXOP(_us) ((_us)>>5) 271138568Ssam 272138568Ssamstruct chanAccParams { 273170530Ssam uint8_t cap_info; /* version of the current set */ 274138568Ssam struct wmeParams cap_wmeParams[WME_NUM_AC]; 275138568Ssam}; 276138568Ssam 277138568Ssamstruct ieee80211_wme_state { 278138568Ssam u_int wme_flags; 279298995Spfg#define WME_F_AGGRMODE 0x00000001 /* STATUS: WME aggressive mode */ 280138568Ssam u_int wme_hipri_traffic; /* VI/VO frames in beacon interval */ 281298995Spfg u_int wme_hipri_switch_thresh;/* aggressive mode switch thresh */ 282298995Spfg u_int wme_hipri_switch_hysteresis;/* aggressive mode switch hysteresis */ 283138568Ssam 284138568Ssam struct wmeParams wme_params[4]; /* from assoc resp for each AC*/ 285138568Ssam struct chanAccParams wme_wmeChanParams; /* WME params applied to self */ 286138568Ssam struct chanAccParams wme_wmeBssChanParams;/* WME params bcast to stations */ 287138568Ssam struct chanAccParams wme_chanParams; /* params applied to self */ 288138568Ssam struct chanAccParams wme_bssChanParams; /* params bcast to stations */ 289138568Ssam 290138568Ssam int (*wme_update)(struct ieee80211com *); 291138568Ssam}; 292138568Ssam 293178354Ssamvoid ieee80211_wme_initparams(struct ieee80211vap *); 294178354Ssamvoid ieee80211_wme_updateparams(struct ieee80211vap *); 295178354Ssamvoid ieee80211_wme_updateparams_locked(struct ieee80211vap *); 296138568Ssam 297178354Ssam/* 298344969Savos * Return pointer to the QoS field from a Qos frame. 299344969Savos */ 300344969Savosstatic __inline uint8_t * 301344969Savosieee80211_getqos(void *data) 302344969Savos{ 303344969Savos struct ieee80211_frame *wh = data; 304344969Savos 305344969Savos KASSERT(IEEE80211_QOS_HAS_SEQ(wh), ("QoS field is absent!")); 306344969Savos 307344969Savos if (IEEE80211_IS_DSTODS(wh)) 308344969Savos return (((struct ieee80211_qosframe_addr4 *)wh)->i_qos); 309344969Savos else 310344969Savos return (((struct ieee80211_qosframe *)wh)->i_qos); 311344969Savos} 312344969Savos 313344969Savos/* 314178354Ssam * Return the WME TID from a QoS frame. If no TID 315178354Ssam * is present return the index for the "non-QoS" entry. 316178354Ssam */ 317178354Ssamstatic __inline uint8_t 318178354Ssamieee80211_gettid(const struct ieee80211_frame *wh) 319178354Ssam{ 320178354Ssam uint8_t tid; 321178354Ssam 322178354Ssam if (IEEE80211_QOS_HAS_SEQ(wh)) { 323193840Ssam if (IEEE80211_IS_DSTODS(wh)) 324193840Ssam tid = ((const struct ieee80211_qosframe_addr4 *)wh)-> 325193840Ssam i_qos[0]; 326193840Ssam else 327193840Ssam tid = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 328193840Ssam tid &= IEEE80211_QOS_TID; 329178354Ssam } else 330178354Ssam tid = IEEE80211_NONQOS_TID; 331178354Ssam return tid; 332178354Ssam} 333178354Ssam 334188533Sthompsavoid ieee80211_waitfor_parent(struct ieee80211com *); 335178354Ssamvoid ieee80211_start_locked(struct ieee80211vap *); 336178354Ssamvoid ieee80211_init(void *); 337178354Ssamvoid ieee80211_start_all(struct ieee80211com *); 338178354Ssamvoid ieee80211_stop_locked(struct ieee80211vap *); 339178354Ssamvoid ieee80211_stop(struct ieee80211vap *); 340178354Ssamvoid ieee80211_stop_all(struct ieee80211com *); 341179391Ssamvoid ieee80211_suspend_all(struct ieee80211com *); 342179391Ssamvoid ieee80211_resume_all(struct ieee80211com *); 343290058Savosvoid ieee80211_restart_all(struct ieee80211com *); 344178354Ssamvoid ieee80211_dturbo_switch(struct ieee80211vap *, int newflags); 345178354Ssamvoid ieee80211_swbmiss(void *arg); 346153349Ssamvoid ieee80211_beacon_miss(struct ieee80211com *); 347178354Ssamint ieee80211_new_state(struct ieee80211vap *, enum ieee80211_state, int); 348257065Sadrianint ieee80211_new_state_locked(struct ieee80211vap *, enum ieee80211_state, 349257065Sadrian int); 350170530Ssamvoid ieee80211_print_essid(const uint8_t *, int); 351170530Ssamvoid ieee80211_dump_pkt(struct ieee80211com *, 352170530Ssam const uint8_t *, int, int, int); 353117811Ssam 354167283Ssamextern const char *ieee80211_opmode_name[]; 355117811Ssamextern const char *ieee80211_state_name[IEEE80211_S_MAX]; 356138568Ssamextern const char *ieee80211_wme_acnames[]; 357138568Ssam 358138568Ssam/* 359138568Ssam * Beacon frames constructed by ieee80211_beacon_alloc 360138568Ssam * have the following structure filled in so drivers 361138568Ssam * can update the frame later w/ minimal overhead. 362138568Ssam */ 363138568Ssamstruct ieee80211_beacon_offsets { 364172211Ssam uint8_t bo_flags[4]; /* update/state flags */ 365170530Ssam uint16_t *bo_caps; /* capabilities */ 366172211Ssam uint8_t *bo_cfp; /* start of CFParms element */ 367170530Ssam uint8_t *bo_tim; /* start of atim/dtim */ 368170530Ssam uint8_t *bo_wme; /* start of WME parameters */ 369186904Ssam uint8_t *bo_tdma; /* start of TDMA parameters */ 370172211Ssam uint8_t *bo_tim_trailer;/* start of fixed-size trailer */ 371170530Ssam uint16_t bo_tim_len; /* atim/dtim length in bytes */ 372172211Ssam uint16_t bo_tim_trailer_len;/* tim trailer length in bytes */ 373170530Ssam uint8_t *bo_erp; /* start of ERP element */ 374170530Ssam uint8_t *bo_htinfo; /* start of HT info element */ 375190451Ssam uint8_t *bo_ath; /* start of ATH parameters */ 376172211Ssam uint8_t *bo_appie; /* start of AppIE element */ 377172211Ssam uint16_t bo_appie_len; /* AppIE length in bytes */ 378199187Santoine uint16_t bo_csa_trailer_len; 379172211Ssam uint8_t *bo_csa; /* start of CSA element */ 380227331Sadrian uint8_t *bo_quiet; /* start of Quiet element */ 381198242Srpaulo uint8_t *bo_meshconf; /* start of MESHCONF element */ 382198242Srpaulo uint8_t *bo_spare[3]; 383138568Ssam}; 384288636Sadrianstruct mbuf *ieee80211_beacon_alloc(struct ieee80211_node *); 385138568Ssam 386138568Ssam/* 387178354Ssam * Beacon frame updates are signaled through calls to iv_update_beacon 388172211Ssam * with one of the IEEE80211_BEACON_* tokens defined below. For devices 389172211Ssam * that construct beacon frames on the host this can trigger a rebuild 390172211Ssam * or defer the processing. For devices that offload beacon frame 391172211Ssam * handling this callback can be used to signal a rebuild. The bo_flags 392172211Ssam * array in the ieee80211_beacon_offsets structure is intended to record 393172211Ssam * deferred processing requirements; ieee80211_beacon_update uses the 394172211Ssam * state to optimize work. Since this structure is owned by the driver 395178354Ssam * and not visible to the 802.11 layer drivers must supply an iv_update_beacon 396172211Ssam * callback that marks the flag bits and schedules (as necessary) an update. 397172211Ssam */ 398172211Ssamenum { 399172211Ssam IEEE80211_BEACON_CAPS = 0, /* capabilities */ 400172211Ssam IEEE80211_BEACON_TIM = 1, /* DTIM/ATIM */ 401172211Ssam IEEE80211_BEACON_WME = 2, 402172211Ssam IEEE80211_BEACON_ERP = 3, /* Extended Rate Phy */ 403172211Ssam IEEE80211_BEACON_HTINFO = 4, /* HT Information */ 404172211Ssam IEEE80211_BEACON_APPIE = 5, /* Application IE's */ 405172211Ssam IEEE80211_BEACON_CFP = 6, /* CFParms */ 406172211Ssam IEEE80211_BEACON_CSA = 7, /* Channel Switch Announcement */ 407186904Ssam IEEE80211_BEACON_TDMA = 9, /* TDMA Info */ 408190451Ssam IEEE80211_BEACON_ATH = 10, /* ATH parameters */ 409198242Srpaulo IEEE80211_BEACON_MESHCONF = 11, /* Mesh Configuration */ 410172211Ssam}; 411172211Ssamint ieee80211_beacon_update(struct ieee80211_node *, 412288636Sadrian struct mbuf *, int mcast); 413172211Ssam 414178354Ssamvoid ieee80211_csa_startswitch(struct ieee80211com *, 415178354Ssam struct ieee80211_channel *, int mode, int count); 416178354Ssamvoid ieee80211_csa_completeswitch(struct ieee80211com *); 417193439Ssamvoid ieee80211_csa_cancelswitch(struct ieee80211com *); 418178354Ssamvoid ieee80211_cac_completeswitch(struct ieee80211vap *); 419178354Ssam 420172211Ssam/* 421138568Ssam * Notification methods called from the 802.11 state machine. 422138568Ssam * Note that while these are defined here, their implementation 423138568Ssam * is OS-specific. 424138568Ssam */ 425178354Ssamvoid ieee80211_notify_node_join(struct ieee80211_node *, int newassoc); 426178354Ssamvoid ieee80211_notify_node_leave(struct ieee80211_node *); 427178354Ssamvoid ieee80211_notify_scan_done(struct ieee80211vap *); 428178354Ssamvoid ieee80211_notify_wds_discover(struct ieee80211_node *); 429178354Ssamvoid ieee80211_notify_csa(struct ieee80211com *, 430178354Ssam const struct ieee80211_channel *, int mode, int count); 431178354Ssamvoid ieee80211_notify_radar(struct ieee80211com *, 432178354Ssam const struct ieee80211_channel *); 433178354Ssamenum ieee80211_notify_cac_event { 434178354Ssam IEEE80211_NOTIFY_CAC_START = 0, /* CAC timer started */ 435178354Ssam IEEE80211_NOTIFY_CAC_STOP = 1, /* CAC intentionally stopped */ 436178354Ssam IEEE80211_NOTIFY_CAC_RADAR = 2, /* CAC stopped due to radar detectio */ 437178354Ssam IEEE80211_NOTIFY_CAC_EXPIRE = 3, /* CAC expired w/o radar */ 438178354Ssam}; 439178354Ssamvoid ieee80211_notify_cac(struct ieee80211com *, 440178354Ssam const struct ieee80211_channel *, 441178354Ssam enum ieee80211_notify_cac_event); 442178354Ssamvoid ieee80211_notify_node_deauth(struct ieee80211_node *); 443178354Ssamvoid ieee80211_notify_node_auth(struct ieee80211_node *); 444178354Ssamvoid ieee80211_notify_country(struct ieee80211vap *, const uint8_t [], 445178354Ssam const uint8_t cc[2]); 446178354Ssamvoid ieee80211_notify_radio(struct ieee80211com *, int); 447116742Ssam#endif /* _NET80211_IEEE80211_PROTO_H_ */ 448