1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2001 Atsushi Onoe 5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef _NET80211_IEEE80211_NODE_H_ 29 #define _NET80211_IEEE80211_NODE_H_ 30 31 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_nodestats */ 32 #include <net80211/ieee80211_ht.h> /* for aggregation state */ 33 34 /* 35 * Each ieee80211com instance has a single timer that fires every 36 * IEEE80211_INACT_WAIT seconds to handle "inactivity processing". 37 * This is used to do node inactivity processing when operating 38 * as an AP, adhoc or mesh mode. For inactivity processing each node 39 * has a timeout set in its ni_inact field that is decremented 40 * on each timeout and the node is reclaimed when the counter goes 41 * to zero. We use different inactivity timeout values depending 42 * on whether the node is associated and authorized (either by 43 * 802.1x or open/shared key authentication) or associated but yet 44 * to be authorized. The latter timeout is shorter to more aggressively 45 * reclaim nodes that leave part way through the 802.1x exchange. 46 */ 47 #define IEEE80211_INACT_WAIT 15 /* inactivity interval (secs) */ 48 #define IEEE80211_INACT_INIT (30/IEEE80211_INACT_WAIT) /* initial */ 49 #define IEEE80211_INACT_AUTH (180/IEEE80211_INACT_WAIT) /* associated but not authorized */ 50 #define IEEE80211_INACT_RUN (300/IEEE80211_INACT_WAIT) /* authorized */ 51 #define IEEE80211_INACT_PROBE (30/IEEE80211_INACT_WAIT) /* probe */ 52 #define IEEE80211_INACT_SCAN (300/IEEE80211_INACT_WAIT) /* scanned */ 53 54 #define IEEE80211_TRANS_WAIT 2 /* mgt frame tx timer (secs) */ 55 56 /* threshold for aging overlapping non-ERP bss */ 57 #define IEEE80211_NONERP_PRESENT_AGE msecs_to_ticks(60*1000) 58 59 #define IEEE80211_NODE_HASHSIZE 32 /* NB: hash size must be pow2 */ 60 /* simple hash is enough for variation of macaddr */ 61 #define IEEE80211_NODE_HASH(ic, addr) \ 62 (((const uint8_t *)(addr))[IEEE80211_ADDR_LEN - 1] % \ 63 IEEE80211_NODE_HASHSIZE) 64 65 struct ieee80211_node_table; 66 struct ieee80211com; 67 struct ieee80211vap; 68 struct ieee80211_scanparams; 69 70 /* 71 * Information element (IE) ``blob''. We use this structure 72 * to capture management frame payloads that need to be 73 * retained. Information elements within the payload that 74 * we need to consult have references recorded. 75 */ 76 struct ieee80211_ies { 77 /* the following are either NULL or point within data */ 78 uint8_t *wpa_ie; /* captured WPA ie */ 79 uint8_t *rsn_ie; /* captured RSN ie */ 80 uint8_t *wme_ie; /* captured WME ie */ 81 uint8_t *ath_ie; /* captured Atheros ie */ 82 uint8_t *htcap_ie; /* captured HTCAP ie */ 83 uint8_t *htinfo_ie; /* captured HTINFO ie */ 84 uint8_t *tdma_ie; /* captured TDMA ie */ 85 uint8_t *meshid_ie; /* captured MESH ID ie */ 86 uint8_t *vhtcap_ie; /* captured VHTCAP ie */ 87 uint8_t *vhtopmode_ie; /* captured VHTOPMODE ie */ 88 uint8_t *vhtpwrenv_ie; /* captured VHTPWRENV ie */ 89 uint8_t *apchanrep_ie; /* captured APCHANREP ie */ 90 uint8_t *bssload_ie; /* captured BSSLOAD ie */ 91 uint8_t *spare[4]; 92 /* NB: these must be the last members of this structure */ 93 uint8_t *data; /* frame data > 802.11 header */ 94 int len; /* data size in bytes */ 95 }; 96 97 /* 98 * 802.11s (Mesh) Peer Link FSM state. 99 */ 100 enum ieee80211_mesh_mlstate { 101 IEEE80211_NODE_MESH_IDLE = 0, 102 IEEE80211_NODE_MESH_OPENSNT = 1, /* open frame sent */ 103 IEEE80211_NODE_MESH_OPENRCV = 2, /* open frame received */ 104 IEEE80211_NODE_MESH_CONFIRMRCV = 3, /* confirm frame received */ 105 IEEE80211_NODE_MESH_ESTABLISHED = 4, /* link established */ 106 IEEE80211_NODE_MESH_HOLDING = 5, /* link closing */ 107 }; 108 #define IEEE80211_MESH_MLSTATE_BITS \ 109 "\20\1IDLE\2OPENSNT\2OPENRCV\3CONFIRMRCV\4ESTABLISHED\5HOLDING" 110 111 /* 112 * This structure is shared with LinuxKPI 802.11 code describing up-to 113 * which channel width the station can receive. 114 * Rather than using hardcoded MHz values for the channel width use an enum with 115 * flags. This allows us to keep the uint8_t slot for ni_chw in 116 * struct ieee80211_node and means we do not have to sync to the value for 117 * LinuxKPI. 118 * 119 * NB: BW_20 needs to 0 and values need to be sorted! Cannot make it 120 * bitfield-alike for use with %b. 121 */ 122 enum ieee80211_sta_rx_bw { 123 IEEE80211_STA_RX_BW_20 = 0x00, 124 IEEE80211_STA_RX_BW_40, 125 IEEE80211_STA_RX_BW_80, 126 IEEE80211_STA_RX_BW_160, 127 IEEE80211_STA_RX_BW_320, 128 } __packed; 129 130 static inline const char * 131 ieee80211_ni_chw_to_str(enum ieee80211_sta_rx_bw bw) 132 { 133 switch (bw) { 134 case IEEE80211_STA_RX_BW_20: return ("BW_20"); 135 case IEEE80211_STA_RX_BW_40: return ("BW_40"); 136 case IEEE80211_STA_RX_BW_80: return ("BW_80"); 137 case IEEE80211_STA_RX_BW_160: return ("BW_160"); 138 case IEEE80211_STA_RX_BW_320: return ("BW_320"); 139 } 140 } 141 142 enum ieee80211_node_txrate_type { 143 IEEE80211_NODE_TXRATE_UNDEFINED = 0, 144 IEEE80211_NODE_TXRATE_LEGACY = 1, /* CCK/OFDM, HT for now */ 145 IEEE80211_NODE_TXRATE_HT = 2, /* HT */ 146 IEEE80211_NODE_TXRATE_VHT = 3, /* VHT */ 147 }; 148 149 struct ieee80211_node_txrate { 150 enum ieee80211_node_txrate_type type; 151 uint8_t nss; /* VHT - number of spatial streams */ 152 uint8_t mcs; /* HT/VHT - MCS */ 153 uint8_t dot11rate; /* Legacy/HT - dot11rate / ratecode */ 154 }; 155 156 #define IEEE80211_NODE_TXRATE_INIT_LEGACY(rate) \ 157 (struct ieee80211_node_txrate) { .type = IEEE80211_NODE_TXRATE_LEGACY, \ 158 .nss = 0, \ 159 .mcs = 0, \ 160 .dot11rate = (rate) } 161 162 #define IEEE80211_NODE_TXRATE_INIT_HT(i_mcs) \ 163 (struct ieee80211_node_txrate) { .type = IEEE80211_NODE_TXRATE_HT, \ 164 .nss = 0, \ 165 .mcs = (i_mcs), \ 166 .dot11rate = (i_mcs) | IEEE80211_RATE_MCS } 167 168 #define IEEE80211_NODE_TXRATE_INIT_VHT(i_nss, i_mcs) \ 169 (struct ieee80211_node_txrate) { .type = IEEE80211_NODE_TXRATE_VHT, \ 170 .nss = (i_nss), \ 171 .mcs = (i_mcs), \ 172 .dot11rate = 0 } 173 174 /* 175 * Node specific information. Note that drivers are expected 176 * to derive from this structure to add device-specific per-node 177 * state. This is done by overriding the ic_node_* methods in 178 * the ieee80211com structure. 179 */ 180 struct ieee80211_node { 181 struct ieee80211vap *ni_vap; /* associated vap */ 182 struct ieee80211com *ni_ic; /* copy from vap to save deref*/ 183 struct ieee80211_node_table *ni_table; /* NB: may be NULL */ 184 TAILQ_ENTRY(ieee80211_node) ni_list; /* list of all nodes */ 185 LIST_ENTRY(ieee80211_node) ni_hash; /* hash collision list */ 186 u_int ni_refcnt; /* count of held references */ 187 u_int ni_flags; 188 #define IEEE80211_NODE_AUTH 0x000001 /* authorized for data */ 189 #define IEEE80211_NODE_QOS 0x000002 /* QoS enabled */ 190 #define IEEE80211_NODE_ERP 0x000004 /* ERP enabled */ 191 /* NB: this must have the same value as IEEE80211_FC1_PWR_MGT */ 192 #define IEEE80211_NODE_PWR_MGT 0x000010 /* power save mode enabled */ 193 #define IEEE80211_NODE_AREF 0x000020 /* authentication ref held */ 194 #define IEEE80211_NODE_HT 0x000040 /* HT enabled */ 195 #define IEEE80211_NODE_HTCOMPAT 0x000080 /* HT setup w/ vendor OUI's */ 196 #define IEEE80211_NODE_WPS 0x000100 /* WPS association */ 197 #define IEEE80211_NODE_TSN 0x000200 /* TSN association */ 198 #define IEEE80211_NODE_AMPDU_RX 0x000400 /* AMPDU rx enabled */ 199 #define IEEE80211_NODE_AMPDU_TX 0x000800 /* AMPDU tx enabled */ 200 #define IEEE80211_NODE_MIMO_PS 0x001000 /* MIMO power save enabled */ 201 #define IEEE80211_NODE_MIMO_RTS 0x002000 /* send RTS in MIMO PS */ 202 #define IEEE80211_NODE_RIFS 0x004000 /* RIFS enabled */ 203 #define IEEE80211_NODE_SGI20 0x008000 /* Short GI in HT20 enabled */ 204 #define IEEE80211_NODE_SGI40 0x010000 /* Short GI in HT40 enabled */ 205 #define IEEE80211_NODE_ASSOCID 0x020000 /* xmit requires associd */ 206 #define IEEE80211_NODE_AMSDU_RX 0x040000 /* AMSDU rx enabled */ 207 #define IEEE80211_NODE_AMSDU_TX 0x080000 /* AMSDU tx enabled */ 208 #define IEEE80211_NODE_VHT 0x100000 /* VHT enabled */ 209 #define IEEE80211_NODE_LDPC 0x200000 /* LDPC enabled */ 210 #define IEEE80211_NODE_UAPSD 0x400000 /* U-APSD power save enabled */ 211 uint16_t ni_associd; /* association ID */ 212 uint16_t ni_vlan; /* vlan tag */ 213 uint16_t ni_txpower; /* current transmit power */ 214 uint8_t ni_authmode; /* authentication algorithm */ 215 uint8_t ni_ath_flags; /* Atheros feature flags */ 216 /* NB: These must have the same values as IEEE80211_ATHC_* */ 217 #define IEEE80211_NODE_TURBOP 0x0001 /* Turbo prime enable */ 218 #define IEEE80211_NODE_COMP 0x0002 /* Compresssion enable */ 219 #define IEEE80211_NODE_FF 0x0004 /* Fast Frame capable */ 220 #define IEEE80211_NODE_XR 0x0008 /* Atheros WME enable */ 221 #define IEEE80211_NODE_AR 0x0010 /* AR capable */ 222 #define IEEE80211_NODE_BOOST 0x0080 /* Dynamic Turbo boosted */ 223 uint16_t ni_ath_defkeyix;/* Atheros def key index */ 224 const struct ieee80211_txparam *ni_txparms; 225 uint32_t ni_jointime; /* time of join (secs) */ 226 uint32_t *ni_challenge; /* shared-key challenge */ 227 struct ieee80211_ies ni_ies; /* captured ie's */ 228 /* tx seq per-tid */ 229 ieee80211_seq ni_txseqs[IEEE80211_TID_SIZE]; 230 /* rx seq previous per-tid*/ 231 ieee80211_seq ni_rxseqs[IEEE80211_TID_SIZE]; 232 uint32_t ni_rxfragstamp; /* time stamp of last rx frag */ 233 struct mbuf *ni_rxfrag[3]; /* rx frag reassembly */ 234 struct ieee80211_key ni_ucastkey; /* unicast key */ 235 236 /* hardware */ 237 uint32_t ni_avgrssi; /* recv ssi state */ 238 int8_t ni_noise; /* noise floor */ 239 240 /* mimo statistics */ 241 uint32_t ni_mimo_rssi_ctl[IEEE80211_MAX_CHAINS]; 242 uint32_t ni_mimo_rssi_ext[IEEE80211_MAX_CHAINS]; 243 uint8_t ni_mimo_noise_ctl[IEEE80211_MAX_CHAINS]; 244 uint8_t ni_mimo_noise_ext[IEEE80211_MAX_CHAINS]; 245 uint8_t ni_mimo_chains; 246 247 /* header */ 248 uint8_t ni_macaddr[IEEE80211_ADDR_LEN]; 249 uint8_t ni_bssid[IEEE80211_ADDR_LEN]; 250 251 /* beacon, probe response */ 252 union { 253 uint8_t data[8]; 254 u_int64_t tsf; 255 } ni_tstamp; /* from last rcv'd beacon */ 256 uint16_t ni_intval; /* beacon interval */ 257 uint16_t ni_capinfo; /* capabilities */ 258 uint8_t ni_esslen; 259 uint8_t ni_essid[IEEE80211_NWID_LEN]; 260 struct ieee80211_rateset ni_rates; /* negotiated rate set */ 261 struct ieee80211_channel *ni_chan; 262 uint16_t ni_fhdwell; /* FH only */ 263 uint8_t ni_fhindex; /* FH only */ 264 uint16_t ni_erp; /* ERP from beacon/probe resp */ 265 uint16_t ni_timoff; /* byte offset to TIM ie */ 266 uint8_t ni_dtim_period; /* DTIM period */ 267 uint8_t ni_dtim_count; /* DTIM count for last bcn */ 268 269 /* 11s state */ 270 uint8_t ni_meshidlen; 271 uint8_t ni_meshid[IEEE80211_MESHID_LEN]; 272 enum ieee80211_mesh_mlstate ni_mlstate; /* peering management state */ 273 uint16_t ni_mllid; /* link local ID */ 274 uint16_t ni_mlpid; /* link peer ID */ 275 struct callout ni_mltimer; /* link mesh timer */ 276 uint8_t ni_mlrcnt; /* link mesh retry counter */ 277 uint8_t ni_mltval; /* link mesh timer value */ 278 struct callout ni_mlhtimer; /* link mesh backoff timer */ 279 uint8_t ni_mlhcnt; /* link mesh holding counter */ 280 281 /* 11n state */ 282 uint16_t ni_htcap; /* HT capabilities */ 283 uint8_t ni_htparam; /* HT params */ 284 uint8_t ni_htctlchan; /* HT control channel */ 285 uint8_t ni_ht2ndchan; /* HT 2nd channel */ 286 uint8_t ni_htopmode; /* HT operating mode */ 287 uint8_t ni_htstbc; /* HT */ 288 enum ieee80211_sta_rx_bw ni_chw; /* negotiated channel width */ 289 struct ieee80211_htrateset ni_htrates; /* negotiated ht rate set */ 290 struct ieee80211_tx_ampdu ni_tx_ampdu[WME_NUM_TID]; 291 struct ieee80211_rx_ampdu ni_rx_ampdu[WME_NUM_TID]; 292 293 /* VHT state */ 294 uint32_t ni_vhtcap; 295 uint16_t ni_vht_basicmcs; /* Basic VHT MCS bitmap from IE */ 296 uint16_t ni_vht_tx_map; /* Negotiated MCS TX map with peer */ 297 struct ieee80211_vht_mcs_info ni_vht_mcsinfo; 298 uint8_t ni_vht_chan1; /* 20/40/80/160 - VHT chan1 */ 299 uint8_t ni_vht_chan2; /* 80+80 - VHT chan2 */ 300 uint8_t ni_vht_chanwidth; /* IEEE80211_VHT_CHANWIDTH_ */ 301 uint8_t ni_vht_pad1; 302 uint32_t ni_vht_spare[8]; 303 304 /* fast-frames state */ 305 struct mbuf * ni_tx_superg[WME_NUM_TID]; 306 307 /* others */ 308 short ni_inact; /* inactivity mark count */ 309 short ni_inact_reload;/* inactivity reload value */ 310 struct ieee80211_node_txrate ni_txrate; /* current transmit rate */ 311 struct ieee80211_psq ni_psq; /* power save queue */ 312 struct ieee80211_nodestats ni_stats; /* per-node statistics */ 313 314 struct ieee80211vap *ni_wdsvap; /* associated WDS vap */ 315 void *ni_rctls; /* private ratectl state */ 316 317 /* quiet time IE state for the given node */ 318 uint32_t ni_quiet_ie_set; /* Quiet time IE was seen */ 319 struct ieee80211_quiet_ie ni_quiet_ie; /* last seen quiet IE */ 320 321 /* U-APSD */ 322 uint8_t ni_uapsd; /* U-APSD per-node flags matching WMM STA QoS Info field */ 323 324 void *ni_drv_data; /* driver specific */ 325 326 uint64_t ni_spare[3]; 327 }; 328 MALLOC_DECLARE(M_80211_NODE); 329 MALLOC_DECLARE(M_80211_NODE_IE); 330 331 #define IEEE80211_NODE_ATH (IEEE80211_NODE_FF | IEEE80211_NODE_TURBOP) 332 #define IEEE80211_NODE_AMPDU \ 333 (IEEE80211_NODE_AMPDU_RX | IEEE80211_NODE_AMPDU_TX) 334 #define IEEE80211_NODE_AMSDU \ 335 (IEEE80211_NODE_AMSDU_RX | IEEE80211_NODE_AMSDU_TX) 336 #define IEEE80211_NODE_HT_ALL \ 337 (IEEE80211_NODE_HT | IEEE80211_NODE_HTCOMPAT | \ 338 IEEE80211_NODE_AMPDU | IEEE80211_NODE_AMSDU | \ 339 IEEE80211_NODE_MIMO_PS | IEEE80211_NODE_MIMO_RTS | \ 340 IEEE80211_NODE_RIFS | IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40) 341 342 #define IEEE80211_NODE_BITS \ 343 "\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \ 344 "\13AMPDU_RX\14AMPDU_TX\15MIMO_PS\16MIMO_RTS\17RIFS\20SGI20\21SGI40" \ 345 "\22ASSOCID\23AMSDU_RX\24AMSDU_TX\25VHT\26LDPC\27UAPSD" 346 347 #define IEEE80211_NODE_AID(ni) IEEE80211_AID(ni->ni_associd) 348 349 #define IEEE80211_NODE_STAT(ni,stat) (ni->ni_stats.ns_##stat++) 350 #define IEEE80211_NODE_STAT_ADD(ni,stat,v) (ni->ni_stats.ns_##stat += v) 351 #define IEEE80211_NODE_STAT_SET(ni,stat,v) (ni->ni_stats.ns_##stat = v) 352 353 /* 354 * Filtered rssi calculation support. The receive rssi is maintained 355 * as an average over the last 10 frames received using a low pass filter 356 * (all frames for now, possibly need to be more selective). Calculations 357 * are designed such that a good compiler can optimize them. The avg 358 * rssi state should be initialized to IEEE80211_RSSI_DUMMY_MARKER and 359 * each sample incorporated with IEEE80211_RSSI_LPF. Use IEEE80211_RSSI_GET 360 * to extract the current value. 361 * 362 * Note that we assume rssi data are in the range [-127..127] and we 363 * discard values <-20. This is consistent with assumptions throughout 364 * net80211 that signal strength data are in .5 dBm units relative to 365 * the current noise floor (linear, not log). 366 */ 367 #define IEEE80211_RSSI_LPF_LEN 10 368 #define IEEE80211_RSSI_DUMMY_MARKER 127 369 /* NB: pow2 to optimize out * and / */ 370 #define IEEE80211_RSSI_EP_MULTIPLIER (1<<7) 371 #define IEEE80211_RSSI_IN(x) ((x) * IEEE80211_RSSI_EP_MULTIPLIER) 372 #define _IEEE80211_RSSI_LPF(x, y, len) \ 373 (((x) != IEEE80211_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y)) 374 #define IEEE80211_RSSI_LPF(x, y) do { \ 375 if ((y) >= -20) { \ 376 x = _IEEE80211_RSSI_LPF((x), IEEE80211_RSSI_IN((y)), \ 377 IEEE80211_RSSI_LPF_LEN); \ 378 } \ 379 } while (0) 380 #define IEEE80211_RSSI_EP_RND(x, mul) \ 381 ((((x) % (mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul)) 382 #define IEEE80211_RSSI_GET(x) \ 383 IEEE80211_RSSI_EP_RND(x, IEEE80211_RSSI_EP_MULTIPLIER) 384 385 void ieee80211_node_attach(struct ieee80211com *); 386 void ieee80211_node_lateattach(struct ieee80211com *); 387 void ieee80211_node_detach(struct ieee80211com *); 388 void ieee80211_node_vattach(struct ieee80211vap *); 389 void ieee80211_node_latevattach(struct ieee80211vap *); 390 void ieee80211_node_vdetach(struct ieee80211vap *); 391 392 static __inline int 393 ieee80211_node_is_authorized(const struct ieee80211_node *ni) 394 { 395 return (ni->ni_flags & IEEE80211_NODE_AUTH); 396 } 397 398 void ieee80211_node_authorize(struct ieee80211_node *); 399 void ieee80211_node_unauthorize(struct ieee80211_node *); 400 401 void ieee80211_node_setuptxparms(struct ieee80211_node *); 402 void ieee80211_node_set_chan(struct ieee80211_node *, 403 struct ieee80211_channel *); 404 void ieee80211_create_ibss(struct ieee80211vap*, struct ieee80211_channel *); 405 void ieee80211_reset_bss(struct ieee80211vap *); 406 void ieee80211_sync_curchan(struct ieee80211com *); 407 void ieee80211_setupcurchan(struct ieee80211com *, 408 struct ieee80211_channel *); 409 void ieee80211_setcurchan(struct ieee80211com *, struct ieee80211_channel *); 410 void ieee80211_update_chw(struct ieee80211com *); 411 int ieee80211_ibss_merge_check(struct ieee80211_node *); 412 int ieee80211_ibss_node_check_new(struct ieee80211_node *ni, 413 const struct ieee80211_scanparams *); 414 int ieee80211_ibss_merge(struct ieee80211_node *); 415 struct ieee80211_scan_entry; 416 int ieee80211_sta_join(struct ieee80211vap *, struct ieee80211_channel *, 417 const struct ieee80211_scan_entry *); 418 void ieee80211_sta_leave(struct ieee80211_node *); 419 void ieee80211_node_deauth(struct ieee80211_node *, int); 420 421 int ieee80211_ies_init(struct ieee80211_ies *, const uint8_t *, int); 422 void ieee80211_ies_cleanup(struct ieee80211_ies *); 423 void ieee80211_ies_expand(struct ieee80211_ies *); 424 #define ieee80211_ies_setie(_ies, _ie, _off) do { \ 425 (_ies)._ie = (_ies).data + (_off); \ 426 } while (0) 427 428 /* 429 * Table of ieee80211_node instances. Each ieee80211com 430 * has one that holds association stations (when operating 431 * as an ap) or neighbors (in ibss mode). 432 * 433 * XXX embed this in ieee80211com instead of indirect? 434 */ 435 struct ieee80211_node_table { 436 struct ieee80211com *nt_ic; /* back reference */ 437 ieee80211_node_lock_t nt_nodelock; /* on node table */ 438 TAILQ_HEAD(, ieee80211_node) nt_node; /* information of all nodes */ 439 LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE]; 440 int nt_count; /* number of nodes */ 441 struct ieee80211_node **nt_keyixmap; /* key ix -> node map */ 442 int nt_keyixmax; /* keyixmap size */ 443 const char *nt_name; /* table name for debug msgs */ 444 int nt_inact_init; /* initial node inact setting */ 445 }; 446 447 struct ieee80211_node *ieee80211_tmp_node(struct ieee80211vap *, 448 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 449 struct ieee80211_node *ieee80211_dup_bss(struct ieee80211vap *, 450 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 451 struct ieee80211_node *ieee80211_node_create_wds(struct ieee80211vap *, 452 const uint8_t bssid[IEEE80211_ADDR_LEN], 453 struct ieee80211_channel *); 454 455 /* These functions are taking __func__, __LINE__ for IEEE80211_DEBUG_REFCNT */ 456 struct ieee80211_node *_ieee80211_ref_node(struct ieee80211_node *, 457 const char *func, int line); 458 void _ieee80211_free_node(struct ieee80211_node *, 459 const char *func, int line); 460 struct ieee80211_node *_ieee80211_find_node_locked( 461 struct ieee80211_node_table *, 462 const uint8_t macaddr[IEEE80211_ADDR_LEN], 463 const char *func, int line); 464 struct ieee80211_node *_ieee80211_find_node(struct ieee80211_node_table *, 465 const uint8_t macaddr[IEEE80211_ADDR_LEN], 466 const char *func, int line); 467 struct ieee80211_node *_ieee80211_find_vap_node_locked( 468 struct ieee80211_node_table *, 469 const struct ieee80211vap *vap, 470 const uint8_t macaddr[IEEE80211_ADDR_LEN], 471 const char *func, int line); 472 struct ieee80211_node *_ieee80211_find_vap_node( 473 struct ieee80211_node_table *, 474 const struct ieee80211vap *vap, 475 const uint8_t macaddr[IEEE80211_ADDR_LEN], 476 const char *func, int line); 477 struct ieee80211_node *_ieee80211_find_rxnode(struct ieee80211com *, 478 const struct ieee80211_frame_min *, 479 const char *func, int line); 480 struct ieee80211_node *_ieee80211_find_rxnode_withkey( 481 struct ieee80211com *, 482 const struct ieee80211_frame_min *, uint16_t keyix, 483 const char *func, int line); 484 struct ieee80211_node *_ieee80211_find_txnode(struct ieee80211vap *, 485 const uint8_t macaddr[IEEE80211_ADDR_LEN], 486 const char *func, int line); 487 #define ieee80211_ref_node(ni) \ 488 _ieee80211_ref_node(ni, __func__, __LINE__) 489 #define ieee80211_free_node(ni) \ 490 _ieee80211_free_node(ni, __func__, __LINE__) 491 #define ieee80211_find_node_locked(nt, mac) \ 492 _ieee80211_find_node_locked(nt, mac, __func__, __LINE__) 493 #define ieee80211_find_node(nt, mac) \ 494 _ieee80211_find_node(nt, mac, __func__, __LINE__) 495 #define ieee80211_find_vap_node_locked(nt, vap, mac) \ 496 _ieee80211_find_vap_node_locked(nt, vap, mac, __func__, __LINE__) 497 #define ieee80211_find_vap_node(nt, vap, mac) \ 498 _ieee80211_find_vap_node(nt, vap, mac, __func__, __LINE__) 499 #define ieee80211_find_rxnode(ic, wh) \ 500 _ieee80211_find_rxnode(ic, wh, __func__, __LINE__) 501 #define ieee80211_find_rxnode_withkey(ic, wh, keyix) \ 502 _ieee80211_find_rxnode_withkey(ic, wh, keyix, __func__, __LINE__) 503 #define ieee80211_find_txnode(vap, mac) \ 504 _ieee80211_find_txnode(vap, mac, __func__, __LINE__) 505 506 int ieee80211_node_delucastkey(struct ieee80211_node *); 507 void ieee80211_node_timeout(void *arg); 508 509 typedef void ieee80211_iter_func(void *, struct ieee80211_node *); 510 int ieee80211_iterate_nodes_vap(struct ieee80211_node_table *, 511 struct ieee80211vap *, ieee80211_iter_func *, void *); 512 void ieee80211_iterate_nodes(struct ieee80211_node_table *, 513 ieee80211_iter_func *, void *); 514 515 void ieee80211_notify_erp_locked(struct ieee80211com *); 516 void ieee80211_dump_node(struct ieee80211_node_table *, 517 struct ieee80211_node *); 518 void ieee80211_dump_nodes(struct ieee80211_node_table *); 519 520 struct ieee80211_node *ieee80211_fakeup_adhoc_node(struct ieee80211vap *, 521 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 522 struct ieee80211_scanparams; 523 void ieee80211_init_neighbor(struct ieee80211_node *, 524 const struct ieee80211_frame *, 525 const struct ieee80211_scanparams *); 526 struct ieee80211_node *ieee80211_add_neighbor(struct ieee80211vap *, 527 const struct ieee80211_frame *, 528 const struct ieee80211_scanparams *); 529 void ieee80211_node_join(struct ieee80211_node *,int); 530 void ieee80211_node_leave(struct ieee80211_node *); 531 int8_t ieee80211_getrssi(struct ieee80211vap *); 532 void ieee80211_getsignal(struct ieee80211vap *, int8_t *, int8_t *); 533 534 /* 535 * Node transmit rate specific manipulation. 536 * 537 * This should eventually be refactored into its own type. 538 */ 539 uint8_t ieee80211_node_get_txrate_dot11rate(struct ieee80211_node *); 540 void ieee80211_node_get_txrate(struct ieee80211_node *, 541 struct ieee80211_node_txrate *); 542 void ieee80211_node_set_txrate(struct ieee80211_node *, 543 const struct ieee80211_node_txrate *); 544 void ieee80211_node_set_txrate_dot11rate(struct ieee80211_node *, uint8_t); 545 void ieee80211_node_set_txrate_ht_mcsrate(struct ieee80211_node *, uint8_t); 546 uint32_t ieee80211_node_get_txrate_kbit(struct ieee80211_node *); 547 void ieee80211_node_set_txrate_vht_rate(struct ieee80211_node *ni, 548 uint8_t nss, uint8_t mcs); 549 550 #endif /* _NET80211_IEEE80211_NODE_H_ */ 551