11a1e1d21SSam Leffler /*- 24d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3fe267a55SPedro F. Giffuni * 47535e66aSSam Leffler * Copyright (c) 2001 Atsushi Onoe 510ad9a77SSam Leffler * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 61a1e1d21SSam Leffler * All rights reserved. 71a1e1d21SSam Leffler * 81a1e1d21SSam Leffler * Redistribution and use in source and binary forms, with or without 91a1e1d21SSam Leffler * modification, are permitted provided that the following conditions 101a1e1d21SSam Leffler * are met: 111a1e1d21SSam Leffler * 1. Redistributions of source code must retain the above copyright 127535e66aSSam Leffler * notice, this list of conditions and the following disclaimer. 137535e66aSSam Leffler * 2. Redistributions in binary form must reproduce the above copyright 147535e66aSSam Leffler * notice, this list of conditions and the following disclaimer in the 157535e66aSSam Leffler * documentation and/or other materials provided with the distribution. 161a1e1d21SSam Leffler * 177535e66aSSam Leffler * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 187535e66aSSam Leffler * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 197535e66aSSam Leffler * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 207535e66aSSam Leffler * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 217535e66aSSam Leffler * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 227535e66aSSam Leffler * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 237535e66aSSam Leffler * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 247535e66aSSam Leffler * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 257535e66aSSam Leffler * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 267535e66aSSam Leffler * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 271a1e1d21SSam Leffler */ 281a1e1d21SSam Leffler 291a1e1d21SSam Leffler #include <sys/cdefs.h> 30b032f27cSSam Leffler #include "opt_wlan.h" 31b032f27cSSam Leffler 321a1e1d21SSam Leffler #include <sys/param.h> 331a1e1d21SSam Leffler #include <sys/systm.h> 341a1e1d21SSam Leffler #include <sys/mbuf.h> 351a1e1d21SSam Leffler #include <sys/malloc.h> 361a1e1d21SSam Leffler #include <sys/kernel.h> 371a1e1d21SSam Leffler 388a1b9b6aSSam Leffler #include <sys/socket.h> 391a1e1d21SSam Leffler 401a1e1d21SSam Leffler #include <net/if.h> 4176039bc8SGleb Smirnoff #include <net/if_var.h> 421a1e1d21SSam Leffler #include <net/if_media.h> 431a1e1d21SSam Leffler #include <net/ethernet.h> 441a1e1d21SSam Leffler 451a1e1d21SSam Leffler #include <net80211/ieee80211_var.h> 46b032f27cSSam Leffler #include <net80211/ieee80211_input.h> 47616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 48616190d0SSam Leffler #include <net80211/ieee80211_superg.h> 49616190d0SSam Leffler #endif 5010ad9a77SSam Leffler #ifdef IEEE80211_SUPPORT_TDMA 5110ad9a77SSam Leffler #include <net80211/ieee80211_tdma.h> 5210ad9a77SSam Leffler #endif 53b032f27cSSam Leffler #include <net80211/ieee80211_wds.h> 5459aa14a9SRui Paulo #include <net80211/ieee80211_mesh.h> 55b6108616SRui Paulo #include <net80211/ieee80211_ratectl.h> 5651172f62SAdrian Chadd #include <net80211/ieee80211_vht.h> 571a1e1d21SSam Leffler 581a1e1d21SSam Leffler #include <net/bpf.h> 591a1e1d21SSam Leffler 604a8e4d15SBjoern A. Zeeb #ifdef IEEE80211_DEBUG_REFCNT 614a8e4d15SBjoern A. Zeeb #define __debrefcnt_used 624a8e4d15SBjoern A. Zeeb #else 634a8e4d15SBjoern A. Zeeb #define __debrefcnt_used __unused 644a8e4d15SBjoern A. Zeeb #endif 654a8e4d15SBjoern A. Zeeb 667268fa64SSam Leffler /* 6759aa14a9SRui Paulo * IEEE80211_NODE_HASHSIZE must be a power of 2. 6859aa14a9SRui Paulo */ 6959aa14a9SRui Paulo CTASSERT((IEEE80211_NODE_HASHSIZE & (IEEE80211_NODE_HASHSIZE-1)) == 0); 7059aa14a9SRui Paulo 7159aa14a9SRui Paulo /* 727268fa64SSam Leffler * Association id's are managed with a bit vector. 737268fa64SSam Leffler */ 74b032f27cSSam Leffler #define IEEE80211_AID_SET(_vap, b) \ 75b032f27cSSam Leffler ((_vap)->iv_aid_bitmap[IEEE80211_AID(b) / 32] |= \ 76b032f27cSSam Leffler (1 << (IEEE80211_AID(b) % 32))) 77b032f27cSSam Leffler #define IEEE80211_AID_CLR(_vap, b) \ 78b032f27cSSam Leffler ((_vap)->iv_aid_bitmap[IEEE80211_AID(b) / 32] &= \ 79b032f27cSSam Leffler ~(1 << (IEEE80211_AID(b) % 32))) 80b032f27cSSam Leffler #define IEEE80211_AID_ISSET(_vap, b) \ 81b032f27cSSam Leffler ((_vap)->iv_aid_bitmap[IEEE80211_AID(b) / 32] & (1 << (IEEE80211_AID(b) % 32))) 827268fa64SSam Leffler 8368e8e04eSSam Leffler static int ieee80211_sta_join1(struct ieee80211_node *); 8468e8e04eSSam Leffler 85db195a52SBjoern A. Zeeb static struct ieee80211_node *ieee80211_alloc_node( 86db195a52SBjoern A. Zeeb struct ieee80211_node_table *, struct ieee80211vap *, 873a11944bSBjoern A. Zeeb const uint8_t macaddr[IEEE80211_ADDR_LEN], const char *, int); 8838c208f8SSam Leffler static struct ieee80211_node *node_alloc(struct ieee80211vap *, 8938c208f8SSam Leffler const uint8_t [IEEE80211_ADDR_LEN]); 90ea3d5fd9SAdrian Chadd static int node_init(struct ieee80211_node *); 918a1b9b6aSSam Leffler static void node_cleanup(struct ieee80211_node *); 928a1b9b6aSSam Leffler static void node_free(struct ieee80211_node *); 93b032f27cSSam Leffler static void node_age(struct ieee80211_node *); 9468e8e04eSSam Leffler static int8_t node_getrssi(const struct ieee80211_node *); 9568e8e04eSSam Leffler static void node_getsignal(const struct ieee80211_node *, int8_t *, int8_t *); 96b032f27cSSam Leffler static void node_getmimoinfo(const struct ieee80211_node *, 97b032f27cSSam Leffler struct ieee80211_mimo_info *); 981a1e1d21SSam Leffler 994a8e4d15SBjoern A. Zeeb static void __ieee80211_free_node(struct ieee80211_node *); 1008a1b9b6aSSam Leffler 1018a055831SAdrian Chadd static void node_reclaim(struct ieee80211_node_table *nt, 1028a055831SAdrian Chadd struct ieee80211_node *ni); 1038a1b9b6aSSam Leffler static void ieee80211_node_table_init(struct ieee80211com *ic, 104c1225b52SSam Leffler struct ieee80211_node_table *nt, const char *name, 10568e8e04eSSam Leffler int inact, int keymaxix); 106b032f27cSSam Leffler static void ieee80211_node_table_reset(struct ieee80211_node_table *, 107b032f27cSSam Leffler struct ieee80211vap *); 1088a1b9b6aSSam Leffler static void ieee80211_node_table_cleanup(struct ieee80211_node_table *nt); 109f1481c8dSAdrian Chadd static void ieee80211_vap_erp_timeout(struct ieee80211vap *); 1101a1e1d21SSam Leffler 11132346d60SSam Leffler MALLOC_DEFINE(M_80211_NODE, "80211node", "802.11 node state"); 112b032f27cSSam Leffler MALLOC_DEFINE(M_80211_NODE_IE, "80211nodeie", "802.11 node ie"); 11337c150c4SSam Leffler 1141a1e1d21SSam Leffler void 1158a1b9b6aSSam Leffler ieee80211_node_attach(struct ieee80211com *ic) 1161a1e1d21SSam Leffler { 1175b16c28cSSam Leffler /* XXX really want maxlen enforced per-sta */ 1185b16c28cSSam Leffler ieee80211_ageq_init(&ic->ic_stageq, ic->ic_max_keyix * 8, 1195b16c28cSSam Leffler "802.11 staging q"); 120b032f27cSSam Leffler ieee80211_node_table_init(ic, &ic->ic_sta, "station", 121b032f27cSSam Leffler IEEE80211_INACT_INIT, ic->ic_max_keyix); 122fd90e2edSJung-uk Kim callout_init(&ic->ic_inact, 1); 123b032f27cSSam Leffler callout_reset(&ic->ic_inact, IEEE80211_INACT_WAIT*hz, 124b032f27cSSam Leffler ieee80211_node_timeout, ic); 1251a1e1d21SSam Leffler 1268a1b9b6aSSam Leffler ic->ic_node_alloc = node_alloc; 127ea3d5fd9SAdrian Chadd ic->ic_node_init = node_init; 1288a1b9b6aSSam Leffler ic->ic_node_free = node_free; 1298a1b9b6aSSam Leffler ic->ic_node_cleanup = node_cleanup; 130b032f27cSSam Leffler ic->ic_node_age = node_age; 131b032f27cSSam Leffler ic->ic_node_drain = node_age; /* NB: same as age */ 1328a1b9b6aSSam Leffler ic->ic_node_getrssi = node_getrssi; 13368e8e04eSSam Leffler ic->ic_node_getsignal = node_getsignal; 134b032f27cSSam Leffler ic->ic_node_getmimoinfo = node_getmimoinfo; 1358a1b9b6aSSam Leffler 136b032f27cSSam Leffler /* 137b032f27cSSam Leffler * Set flags to be propagated to all vap's; 138b032f27cSSam Leffler * these define default behaviour/configuration. 139b032f27cSSam Leffler */ 140c066143cSSam Leffler ic->ic_flags_ext |= IEEE80211_FEXT_INACT; /* inactivity processing */ 141c1225b52SSam Leffler } 142c1225b52SSam Leffler 143c1225b52SSam Leffler void 1448a1b9b6aSSam Leffler ieee80211_node_detach(struct ieee80211com *ic) 1451a1e1d21SSam Leffler { 1461a1e1d21SSam Leffler 147b032f27cSSam Leffler callout_drain(&ic->ic_inact); 148acc4f7f5SSam Leffler ieee80211_node_table_cleanup(&ic->ic_sta); 14958a7c4bfSKyle Evans ieee80211_ageq_drain(&ic->ic_stageq); 1505b16c28cSSam Leffler ieee80211_ageq_cleanup(&ic->ic_stageq); 151b032f27cSSam Leffler } 152b032f27cSSam Leffler 153b032f27cSSam Leffler void 154b032f27cSSam Leffler ieee80211_node_vattach(struct ieee80211vap *vap) 155b032f27cSSam Leffler { 156b032f27cSSam Leffler /* NB: driver can override */ 157b032f27cSSam Leffler vap->iv_max_aid = IEEE80211_AID_DEF; 158b032f27cSSam Leffler 1592ec4c3c7SGordon Bergling /* default station inactivity timer settings */ 160b032f27cSSam Leffler vap->iv_inact_init = IEEE80211_INACT_INIT; 161b032f27cSSam Leffler vap->iv_inact_auth = IEEE80211_INACT_AUTH; 162b032f27cSSam Leffler vap->iv_inact_run = IEEE80211_INACT_RUN; 163b032f27cSSam Leffler vap->iv_inact_probe = IEEE80211_INACT_PROBE; 164be1054edSSam Leffler 165be1054edSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_INACT, 166be1054edSSam Leffler "%s: init %u auth %u run %u probe %u\n", __func__, 167be1054edSSam Leffler vap->iv_inact_init, vap->iv_inact_auth, 168be1054edSSam Leffler vap->iv_inact_run, vap->iv_inact_probe); 169b032f27cSSam Leffler } 170b032f27cSSam Leffler 171b032f27cSSam Leffler void 172b032f27cSSam Leffler ieee80211_node_latevattach(struct ieee80211vap *vap) 173b032f27cSSam Leffler { 174b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 175b032f27cSSam Leffler /* XXX should we allow max aid to be zero? */ 176b032f27cSSam Leffler if (vap->iv_max_aid < IEEE80211_AID_MIN) { 177b032f27cSSam Leffler vap->iv_max_aid = IEEE80211_AID_MIN; 178b032f27cSSam Leffler if_printf(vap->iv_ifp, 179b032f27cSSam Leffler "WARNING: max aid too small, changed to %d\n", 180b032f27cSSam Leffler vap->iv_max_aid); 181b032f27cSSam Leffler } 182b9b53389SAdrian Chadd vap->iv_aid_bitmap = (uint32_t *) IEEE80211_MALLOC( 183c5abbba3SDag-Erling Smørgrav howmany(vap->iv_max_aid, 32) * sizeof(uint32_t), 184b9b53389SAdrian Chadd M_80211_NODE, 185b9b53389SAdrian Chadd IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 186b032f27cSSam Leffler if (vap->iv_aid_bitmap == NULL) { 187b032f27cSSam Leffler /* XXX no way to recover */ 188b032f27cSSam Leffler printf("%s: no memory for AID bitmap, max aid %d!\n", 189b032f27cSSam Leffler __func__, vap->iv_max_aid); 190b032f27cSSam Leffler vap->iv_max_aid = 0; 191b032f27cSSam Leffler } 192b032f27cSSam Leffler } 193b032f27cSSam Leffler 194b032f27cSSam Leffler ieee80211_reset_bss(vap); 195b032f27cSSam Leffler 196b032f27cSSam Leffler vap->iv_auth = ieee80211_authenticator_get(vap->iv_bss->ni_authmode); 197b032f27cSSam Leffler } 198b032f27cSSam Leffler 199b032f27cSSam Leffler void 200b032f27cSSam Leffler ieee80211_node_vdetach(struct ieee80211vap *vap) 201b032f27cSSam Leffler { 202b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 203b032f27cSSam Leffler 204b032f27cSSam Leffler ieee80211_node_table_reset(&ic->ic_sta, vap); 205b032f27cSSam Leffler if (vap->iv_bss != NULL) { 206b032f27cSSam Leffler ieee80211_free_node(vap->iv_bss); 20791b4225aSBjoern A. Zeeb vap->iv_update_bss(vap, NULL); 208b032f27cSSam Leffler } 209b032f27cSSam Leffler if (vap->iv_aid_bitmap != NULL) { 210b9b53389SAdrian Chadd IEEE80211_FREE(vap->iv_aid_bitmap, M_80211_NODE); 211b032f27cSSam Leffler vap->iv_aid_bitmap = NULL; 2128a1b9b6aSSam Leffler } 2138a1b9b6aSSam Leffler } 2148a1b9b6aSSam Leffler 2158a1b9b6aSSam Leffler /* 2168a1b9b6aSSam Leffler * Port authorize/unauthorize interfaces for use by an authenticator. 2178a1b9b6aSSam Leffler */ 2188a1b9b6aSSam Leffler 2198a1b9b6aSSam Leffler void 220e4918ecdSSam Leffler ieee80211_node_authorize(struct ieee80211_node *ni) 2218a1b9b6aSSam Leffler { 222be1054edSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 223be1054edSSam Leffler 2248a1b9b6aSSam Leffler ni->ni_flags |= IEEE80211_NODE_AUTH; 225be1054edSSam Leffler ni->ni_inact_reload = vap->iv_inact_run; 226c066143cSSam Leffler ni->ni_inact = ni->ni_inact_reload; 227be1054edSSam Leffler 228be1054edSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_INACT, ni, 229be1054edSSam Leffler "%s: inact_reload %u", __func__, ni->ni_inact_reload); 2308a1b9b6aSSam Leffler } 2318a1b9b6aSSam Leffler 2328a1b9b6aSSam Leffler void 233e4918ecdSSam Leffler ieee80211_node_unauthorize(struct ieee80211_node *ni) 2348a1b9b6aSSam Leffler { 235be1054edSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 236be1054edSSam Leffler 2378a1b9b6aSSam Leffler ni->ni_flags &= ~IEEE80211_NODE_AUTH; 238be1054edSSam Leffler ni->ni_inact_reload = vap->iv_inact_auth; 239c066143cSSam Leffler if (ni->ni_inact > ni->ni_inact_reload) 240c066143cSSam Leffler ni->ni_inact = ni->ni_inact_reload; 241be1054edSSam Leffler 242be1054edSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_INACT, ni, 243be1054edSSam Leffler "%s: inact_reload %u inact %u", __func__, 244be1054edSSam Leffler ni->ni_inact_reload, ni->ni_inact); 2458a1b9b6aSSam Leffler } 2468a1b9b6aSSam Leffler 2478a1b9b6aSSam Leffler /* 24801a03542SSam Leffler * Fix tx parameters for a node according to ``association state''. 24901a03542SSam Leffler */ 250d77148fbSSam Leffler void 251d77148fbSSam Leffler ieee80211_node_setuptxparms(struct ieee80211_node *ni) 25201a03542SSam Leffler { 25301a03542SSam Leffler struct ieee80211vap *vap = ni->ni_vap; 254f76cde95SSam Leffler enum ieee80211_phymode mode; 25501a03542SSam Leffler 256f6b98645SAndriy Voskoboinyk if (ni->ni_flags & IEEE80211_NODE_VHT) { 257f6b98645SAndriy Voskoboinyk if (IEEE80211_IS_CHAN_5GHZ(ni->ni_chan)) 258f6b98645SAndriy Voskoboinyk mode = IEEE80211_MODE_VHT_5GHZ; 259f6b98645SAndriy Voskoboinyk else 260f6b98645SAndriy Voskoboinyk mode = IEEE80211_MODE_VHT_2GHZ; 261f6b98645SAndriy Voskoboinyk } else if (ni->ni_flags & IEEE80211_NODE_HT) { 26201a03542SSam Leffler if (IEEE80211_IS_CHAN_5GHZ(ni->ni_chan)) 263f76cde95SSam Leffler mode = IEEE80211_MODE_11NA; 26401a03542SSam Leffler else 265f76cde95SSam Leffler mode = IEEE80211_MODE_11NG; 26601a03542SSam Leffler } else { /* legacy rate handling */ 267f76cde95SSam Leffler if (IEEE80211_IS_CHAN_ST(ni->ni_chan)) 268f76cde95SSam Leffler mode = IEEE80211_MODE_STURBO_A; 2696a76ae21SSam Leffler else if (IEEE80211_IS_CHAN_HALF(ni->ni_chan)) 2706a76ae21SSam Leffler mode = IEEE80211_MODE_HALF; 2716a76ae21SSam Leffler else if (IEEE80211_IS_CHAN_QUARTER(ni->ni_chan)) 2726a76ae21SSam Leffler mode = IEEE80211_MODE_QUARTER; 273c5262b82SSam Leffler /* NB: 108A should be handled as 11a */ 274f76cde95SSam Leffler else if (IEEE80211_IS_CHAN_A(ni->ni_chan)) 275f76cde95SSam Leffler mode = IEEE80211_MODE_11A; 276c5262b82SSam Leffler else if (IEEE80211_IS_CHAN_108G(ni->ni_chan) || 277c5262b82SSam Leffler (ni->ni_flags & IEEE80211_NODE_ERP)) 278f76cde95SSam Leffler mode = IEEE80211_MODE_11G; 27901a03542SSam Leffler else 280f76cde95SSam Leffler mode = IEEE80211_MODE_11B; 28101a03542SSam Leffler } 282f76cde95SSam Leffler ni->ni_txparms = &vap->iv_txparms[mode]; 28301a03542SSam Leffler } 28401a03542SSam Leffler 28501a03542SSam Leffler /* 2868a1b9b6aSSam Leffler * Set/change the channel. The rate set is also updated as 2878a1b9b6aSSam Leffler * to insure a consistent view by drivers. 288b032f27cSSam Leffler * XXX should be private but hostap needs it to deal with CSA 2898a1b9b6aSSam Leffler */ 290b032f27cSSam Leffler void 291b032f27cSSam Leffler ieee80211_node_set_chan(struct ieee80211_node *ni, 292b032f27cSSam Leffler struct ieee80211_channel *chan) 2938a1b9b6aSSam Leffler { 294b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 29501a03542SSam Leffler struct ieee80211vap *vap = ni->ni_vap; 29601a03542SSam Leffler enum ieee80211_phymode mode; 29768e8e04eSSam Leffler 298b032f27cSSam Leffler KASSERT(chan != IEEE80211_CHAN_ANYC, ("no channel")); 299b032f27cSSam Leffler 3008a1b9b6aSSam Leffler ni->ni_chan = chan; 30101a03542SSam Leffler mode = ieee80211_chan2mode(chan); 30268e8e04eSSam Leffler if (IEEE80211_IS_CHAN_HT(chan)) { 30368e8e04eSSam Leffler /* 304597029bfSBernhard Schmidt * We must install the legacy rate est in ni_rates and the 30568e8e04eSSam Leffler * HT rate set in ni_htrates. 30668e8e04eSSam Leffler */ 30768e8e04eSSam Leffler ni->ni_htrates = *ieee80211_get_suphtrates(ic, chan); 30801a03542SSam Leffler /* 30901a03542SSam Leffler * Setup bss tx parameters based on operating mode. We 31001a03542SSam Leffler * use legacy rates when operating in a mixed HT+non-HT bss 31101a03542SSam Leffler * and non-ERP rates in 11g for mixed ERP+non-ERP bss. 31201a03542SSam Leffler */ 31301a03542SSam Leffler if (mode == IEEE80211_MODE_11NA && 3142bfc8a91SSam Leffler (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0) 31501a03542SSam Leffler mode = IEEE80211_MODE_11A; 31601a03542SSam Leffler else if (mode == IEEE80211_MODE_11NG && 3172bfc8a91SSam Leffler (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0) 31801a03542SSam Leffler mode = IEEE80211_MODE_11G; 31901a03542SSam Leffler if (mode == IEEE80211_MODE_11G && 32001a03542SSam Leffler (vap->iv_flags & IEEE80211_F_PUREG) == 0) 32101a03542SSam Leffler mode = IEEE80211_MODE_11B; 32268e8e04eSSam Leffler } 32301a03542SSam Leffler ni->ni_txparms = &vap->iv_txparms[mode]; 32441b3c790SSam Leffler ni->ni_rates = *ieee80211_get_suprates(ic, chan); 3251a1e1d21SSam Leffler } 3261a1e1d21SSam Leffler 327f9cd9174SSam Leffler static __inline void 328f9cd9174SSam Leffler copy_bss(struct ieee80211_node *nbss, const struct ieee80211_node *obss) 329f9cd9174SSam Leffler { 330f9cd9174SSam Leffler /* propagate useful state */ 331f9cd9174SSam Leffler nbss->ni_authmode = obss->ni_authmode; 332f9cd9174SSam Leffler nbss->ni_txpower = obss->ni_txpower; 333f9cd9174SSam Leffler nbss->ni_vlan = obss->ni_vlan; 334f9cd9174SSam Leffler /* XXX statistics? */ 335b032f27cSSam Leffler /* XXX legacy WDS bssid? */ 336f9cd9174SSam Leffler } 337f9cd9174SSam Leffler 3381a1e1d21SSam Leffler void 339b032f27cSSam Leffler ieee80211_create_ibss(struct ieee80211vap* vap, struct ieee80211_channel *chan) 3401a1e1d21SSam Leffler { 341b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 3421a1e1d21SSam Leffler struct ieee80211_node *ni; 3438a1b9b6aSSam Leffler 344b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 345869897d2SAdrian Chadd "%s: creating %s on channel %u%c flags 0x%08x\n", __func__, 34659aa14a9SRui Paulo ieee80211_opmode_name[vap->iv_opmode], 3472b8b8ae8SAdrian Chadd ieee80211_chan2ieee(ic, chan), 348869897d2SAdrian Chadd ieee80211_channel_type_char(chan), 349869897d2SAdrian Chadd chan->ic_flags); 3508a1b9b6aSSam Leffler 3513a11944bSBjoern A. Zeeb ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr, 3523a11944bSBjoern A. Zeeb __func__, __LINE__); 353acc4f7f5SSam Leffler if (ni == NULL) { 354acc4f7f5SSam Leffler /* XXX recovery? */ 3558a1b9b6aSSam Leffler return; 3568a1b9b6aSSam Leffler } 357b032f27cSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_myaddr); 358b032f27cSSam Leffler ni->ni_esslen = vap->iv_des_ssid[0].len; 359b032f27cSSam Leffler memcpy(ni->ni_essid, vap->iv_des_ssid[0].ssid, ni->ni_esslen); 360b032f27cSSam Leffler if (vap->iv_bss != NULL) 361b032f27cSSam Leffler copy_bss(ni, vap->iv_bss); 362d365f9c7SSam Leffler ni->ni_intval = ic->ic_bintval; 363b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PRIVACY) 3641a1e1d21SSam Leffler ni->ni_capinfo |= IEEE80211_CAPINFO_PRIVACY; 3651a1e1d21SSam Leffler if (ic->ic_phytype == IEEE80211_T_FH) { 3661a1e1d21SSam Leffler ni->ni_fhdwell = 200; /* XXX */ 3671a1e1d21SSam Leffler ni->ni_fhindex = 1; 3681a1e1d21SSam Leffler } 369b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS) { 3708a1b9b6aSSam Leffler ni->ni_capinfo |= IEEE80211_CAPINFO_IBSS; /* XXX */ 371b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_DESBSSID) 372b032f27cSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_des_bssid); 373fe49f061SSam Leffler else { 374af7d9f8eSBjoern A. Zeeb net80211_get_random_bytes(ni->ni_bssid, 375af7d9f8eSBjoern A. Zeeb IEEE80211_ADDR_LEN); 376fe49f061SSam Leffler /* clear group bit, add local bit */ 377fe49f061SSam Leffler ni->ni_bssid[0] = (ni->ni_bssid[0] &~ 0x01) | 0x02; 378fe49f061SSam Leffler } 379b032f27cSSam Leffler } else if (vap->iv_opmode == IEEE80211_M_AHDEMO) { 380b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_DESBSSID) 381b032f27cSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_des_bssid); 38250d8b493SSam Leffler else 38310ad9a77SSam Leffler #ifdef IEEE80211_SUPPORT_TDMA 38410ad9a77SSam Leffler if ((vap->iv_caps & IEEE80211_C_TDMA) == 0) 38510ad9a77SSam Leffler #endif 38650d8b493SSam Leffler memset(ni->ni_bssid, 0, IEEE80211_ADDR_LEN); 38759aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 38859aa14a9SRui Paulo } else if (vap->iv_opmode == IEEE80211_M_MBSS) { 38959aa14a9SRui Paulo ni->ni_meshidlen = vap->iv_mesh->ms_idlen; 39059aa14a9SRui Paulo memcpy(ni->ni_meshid, vap->iv_mesh->ms_id, ni->ni_meshidlen); 39159aa14a9SRui Paulo #endif 3928a1b9b6aSSam Leffler } 3938a1b9b6aSSam Leffler /* 3948a1b9b6aSSam Leffler * Fix the channel and related attributes. 3958a1b9b6aSSam Leffler */ 396b032f27cSSam Leffler /* clear DFS CAC state on previous channel */ 397b032f27cSSam Leffler if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 398b032f27cSSam Leffler ic->ic_bsschan->ic_freq != chan->ic_freq && 399b032f27cSSam Leffler IEEE80211_IS_CHAN_CACDONE(ic->ic_bsschan)) 400b032f27cSSam Leffler ieee80211_dfs_cac_clear(ic, ic->ic_bsschan); 40168e8e04eSSam Leffler ic->ic_bsschan = chan; 402b032f27cSSam Leffler ieee80211_node_set_chan(ni, chan); 40368e8e04eSSam Leffler ic->ic_curmode = ieee80211_chan2mode(chan); 4048a1b9b6aSSam Leffler /* 405b032f27cSSam Leffler * Do mode-specific setup. 4068a1b9b6aSSam Leffler */ 40768e8e04eSSam Leffler if (IEEE80211_IS_CHAN_FULL(chan)) { 40868e8e04eSSam Leffler if (IEEE80211_IS_CHAN_ANYG(chan)) { 40968e8e04eSSam Leffler /* 410b032f27cSSam Leffler * Use a mixed 11b/11g basic rate set. 41168e8e04eSSam Leffler */ 412b032f27cSSam Leffler ieee80211_setbasicrates(&ni->ni_rates, 41368e8e04eSSam Leffler IEEE80211_MODE_11G); 414b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PUREG) { 415b032f27cSSam Leffler /* 416b032f27cSSam Leffler * Also mark OFDM rates basic so 11b 417b032f27cSSam Leffler * stations do not join (WiFi compliance). 418b032f27cSSam Leffler */ 419b032f27cSSam Leffler ieee80211_addbasicrates(&ni->ni_rates, 420b032f27cSSam Leffler IEEE80211_MODE_11A); 421b032f27cSSam Leffler } 42268e8e04eSSam Leffler } else if (IEEE80211_IS_CHAN_B(chan)) { 42368e8e04eSSam Leffler /* 42468e8e04eSSam Leffler * Force pure 11b rate set. 42568e8e04eSSam Leffler */ 426b032f27cSSam Leffler ieee80211_setbasicrates(&ni->ni_rates, 42768e8e04eSSam Leffler IEEE80211_MODE_11B); 42868e8e04eSSam Leffler } 4291a1e1d21SSam Leffler } 4301a1e1d21SSam Leffler 431869897d2SAdrian Chadd /* XXX TODO: other bits and pieces - eg fast-frames? */ 432869897d2SAdrian Chadd 433869897d2SAdrian Chadd /* If we're an 11n channel then initialise the 11n bits */ 43451172f62SAdrian Chadd if (IEEE80211_IS_CHAN_VHT(ni->ni_chan)) { 43551172f62SAdrian Chadd /* XXX what else? */ 43651172f62SAdrian Chadd ieee80211_ht_node_init(ni); 43751172f62SAdrian Chadd ieee80211_vht_node_init(ni); 43851172f62SAdrian Chadd } else if (IEEE80211_IS_CHAN_HT(ni->ni_chan)) { 439869897d2SAdrian Chadd /* XXX what else? */ 440869897d2SAdrian Chadd ieee80211_ht_node_init(ni); 441869897d2SAdrian Chadd } 442869897d2SAdrian Chadd 44368e8e04eSSam Leffler (void) ieee80211_sta_join1(ieee80211_ref_node(ni)); 44468e8e04eSSam Leffler } 44568e8e04eSSam Leffler 44668e8e04eSSam Leffler /* 44768e8e04eSSam Leffler * Reset bss state on transition to the INIT state. 44868e8e04eSSam Leffler * Clear any stations from the table (they have been 44968e8e04eSSam Leffler * deauth'd) and reset the bss node (clears key, rate 45068e8e04eSSam Leffler * etc. state). 45168e8e04eSSam Leffler */ 4528a1b9b6aSSam Leffler void 453b032f27cSSam Leffler ieee80211_reset_bss(struct ieee80211vap *vap) 454b4c5a90fSSam Leffler { 455b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 4568a1b9b6aSSam Leffler struct ieee80211_node *ni, *obss; 4578a1b9b6aSSam Leffler 458b032f27cSSam Leffler ieee80211_node_table_reset(&ic->ic_sta, vap); 459b032f27cSSam Leffler /* XXX multi-bss: wrong */ 460d20ff6e6SAdrian Chadd ieee80211_vap_reset_erp(vap); 461acc4f7f5SSam Leffler 4623a11944bSBjoern A. Zeeb ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr, 4633a11944bSBjoern A. Zeeb __func__, __LINE__); 46448e1bda0SRui Paulo KASSERT(ni != NULL, ("unable to setup initial BSS node")); 46591b4225aSBjoern A. Zeeb obss = vap->iv_update_bss(vap, ieee80211_ref_node(ni)); 466f9cd9174SSam Leffler if (obss != NULL) { 467f9cd9174SSam Leffler copy_bss(ni, obss); 468d365f9c7SSam Leffler ni->ni_intval = ic->ic_bintval; 4698a1b9b6aSSam Leffler ieee80211_free_node(obss); 470b032f27cSSam Leffler } else 471b032f27cSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_myaddr); 472f9cd9174SSam Leffler } 4738a1b9b6aSSam Leffler 4748a1b9b6aSSam Leffler static int 47568e8e04eSSam Leffler match_ssid(const struct ieee80211_node *ni, 47668e8e04eSSam Leffler int nssid, const struct ieee80211_scan_ssid ssids[]) 4778a1b9b6aSSam Leffler { 47868e8e04eSSam Leffler int i; 47968e8e04eSSam Leffler 48068e8e04eSSam Leffler for (i = 0; i < nssid; i++) { 48168e8e04eSSam Leffler if (ni->ni_esslen == ssids[i].len && 48268e8e04eSSam Leffler memcmp(ni->ni_essid, ssids[i].ssid, ni->ni_esslen) == 0) 48368e8e04eSSam Leffler return 1; 48468e8e04eSSam Leffler } 48568e8e04eSSam Leffler return 0; 48668e8e04eSSam Leffler } 48768e8e04eSSam Leffler 48868e8e04eSSam Leffler /* 48968e8e04eSSam Leffler * Test a node for suitability/compatibility. 49068e8e04eSSam Leffler */ 49168e8e04eSSam Leffler static int 492b032f27cSSam Leffler check_bss(struct ieee80211vap *vap, struct ieee80211_node *ni) 49368e8e04eSSam Leffler { 494b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 49568e8e04eSSam Leffler uint8_t rate; 49668e8e04eSSam Leffler 49768e8e04eSSam Leffler if (isclr(ic->ic_chan_active, ieee80211_chan2ieee(ic, ni->ni_chan))) 49868e8e04eSSam Leffler return 0; 499b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS) { 50068e8e04eSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_IBSS) == 0) 50168e8e04eSSam Leffler return 0; 50268e8e04eSSam Leffler } else { 50368e8e04eSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_ESS) == 0) 50468e8e04eSSam Leffler return 0; 50568e8e04eSSam Leffler } 506b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PRIVACY) { 50768e8e04eSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_PRIVACY) == 0) 50868e8e04eSSam Leffler return 0; 50968e8e04eSSam Leffler } else { 51068e8e04eSSam Leffler /* XXX does this mean privacy is supported or required? */ 51168e8e04eSSam Leffler if (ni->ni_capinfo & IEEE80211_CAPINFO_PRIVACY) 51268e8e04eSSam Leffler return 0; 51368e8e04eSSam Leffler } 51468e8e04eSSam Leffler rate = ieee80211_fix_rate(ni, &ni->ni_rates, 51568e8e04eSSam Leffler IEEE80211_F_JOIN | IEEE80211_F_DONEGO | IEEE80211_F_DOFRATE); 51668e8e04eSSam Leffler if (rate & IEEE80211_RATE_BASIC) 51768e8e04eSSam Leffler return 0; 518b032f27cSSam Leffler if (vap->iv_des_nssid != 0 && 519b032f27cSSam Leffler !match_ssid(ni, vap->iv_des_nssid, vap->iv_des_ssid)) 52068e8e04eSSam Leffler return 0; 521b032f27cSSam Leffler if ((vap->iv_flags & IEEE80211_F_DESBSSID) && 522b032f27cSSam Leffler !IEEE80211_ADDR_EQ(vap->iv_des_bssid, ni->ni_bssid)) 52368e8e04eSSam Leffler return 0; 52468e8e04eSSam Leffler return 1; 52568e8e04eSSam Leffler } 52668e8e04eSSam Leffler 52768e8e04eSSam Leffler #ifdef IEEE80211_DEBUG 52868e8e04eSSam Leffler /* 52968e8e04eSSam Leffler * Display node suitability/compatibility. 53068e8e04eSSam Leffler */ 53168e8e04eSSam Leffler static void 532b032f27cSSam Leffler check_bss_debug(struct ieee80211vap *vap, struct ieee80211_node *ni) 53368e8e04eSSam Leffler { 534b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 53568e8e04eSSam Leffler uint8_t rate; 536b4c5a90fSSam Leffler int fail; 537b4c5a90fSSam Leffler 538b4c5a90fSSam Leffler fail = 0; 539b4c5a90fSSam Leffler if (isclr(ic->ic_chan_active, ieee80211_chan2ieee(ic, ni->ni_chan))) 540b4c5a90fSSam Leffler fail |= 0x01; 541b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS) { 542b4c5a90fSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_IBSS) == 0) 543b4c5a90fSSam Leffler fail |= 0x02; 544b4c5a90fSSam Leffler } else { 545b4c5a90fSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_ESS) == 0) 546b4c5a90fSSam Leffler fail |= 0x02; 547b4c5a90fSSam Leffler } 548b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_PRIVACY) { 549b4c5a90fSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_PRIVACY) == 0) 550b4c5a90fSSam Leffler fail |= 0x04; 551b4c5a90fSSam Leffler } else { 552b4c5a90fSSam Leffler /* XXX does this mean privacy is supported or required? */ 553b4c5a90fSSam Leffler if (ni->ni_capinfo & IEEE80211_CAPINFO_PRIVACY) 554b4c5a90fSSam Leffler fail |= 0x04; 555b4c5a90fSSam Leffler } 55670e28b9aSSam Leffler rate = ieee80211_fix_rate(ni, &ni->ni_rates, 55779edaebfSSam Leffler IEEE80211_F_JOIN | IEEE80211_F_DONEGO | IEEE80211_F_DOFRATE); 558b4c5a90fSSam Leffler if (rate & IEEE80211_RATE_BASIC) 559b4c5a90fSSam Leffler fail |= 0x08; 560b032f27cSSam Leffler if (vap->iv_des_nssid != 0 && 561b032f27cSSam Leffler !match_ssid(ni, vap->iv_des_nssid, vap->iv_des_ssid)) 562b4c5a90fSSam Leffler fail |= 0x10; 563b032f27cSSam Leffler if ((vap->iv_flags & IEEE80211_F_DESBSSID) && 564b032f27cSSam Leffler !IEEE80211_ADDR_EQ(vap->iv_des_bssid, ni->ni_bssid)) 565b4c5a90fSSam Leffler fail |= 0x20; 56668e8e04eSSam Leffler 56768e8e04eSSam Leffler printf(" %c %s", fail ? '-' : '+', ether_sprintf(ni->ni_macaddr)); 56868e8e04eSSam Leffler printf(" %s%c", ether_sprintf(ni->ni_bssid), fail & 0x20 ? '!' : ' '); 56968e8e04eSSam Leffler printf(" %3d%c", 57068e8e04eSSam Leffler ieee80211_chan2ieee(ic, ni->ni_chan), fail & 0x01 ? '!' : ' '); 571b4c5a90fSSam Leffler printf(" %2dM%c", (rate & IEEE80211_RATE_VAL) / 2, 572b4c5a90fSSam Leffler fail & 0x08 ? '!' : ' '); 573b4c5a90fSSam Leffler printf(" %4s%c", 574b4c5a90fSSam Leffler (ni->ni_capinfo & IEEE80211_CAPINFO_ESS) ? "ess" : 575b4c5a90fSSam Leffler (ni->ni_capinfo & IEEE80211_CAPINFO_IBSS) ? "ibss" : 576b4c5a90fSSam Leffler "????", 577b4c5a90fSSam Leffler fail & 0x02 ? '!' : ' '); 578b4c5a90fSSam Leffler printf(" %3s%c ", 57968e8e04eSSam Leffler (ni->ni_capinfo & IEEE80211_CAPINFO_PRIVACY) ? "wep" : "no", 580b4c5a90fSSam Leffler fail & 0x04 ? '!' : ' '); 581b4c5a90fSSam Leffler ieee80211_print_essid(ni->ni_essid, ni->ni_esslen); 582b4c5a90fSSam Leffler printf("%s\n", fail & 0x10 ? "!" : ""); 583b4c5a90fSSam Leffler } 58468e8e04eSSam Leffler #endif /* IEEE80211_DEBUG */ 5858a1b9b6aSSam Leffler 586adad5b45SAdrian Chadd int 587adad5b45SAdrian Chadd ieee80211_ibss_merge_check(struct ieee80211_node *ni) 588adad5b45SAdrian Chadd { 589adad5b45SAdrian Chadd struct ieee80211vap *vap = ni->ni_vap; 590adad5b45SAdrian Chadd 591adad5b45SAdrian Chadd if (ni == vap->iv_bss || 592adad5b45SAdrian Chadd IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bss->ni_bssid)) { 593adad5b45SAdrian Chadd /* unchanged, nothing to do */ 594adad5b45SAdrian Chadd return 0; 595adad5b45SAdrian Chadd } 596adad5b45SAdrian Chadd 597adad5b45SAdrian Chadd if (!check_bss(vap, ni)) { 598adad5b45SAdrian Chadd /* capabilities mismatch */ 599adad5b45SAdrian Chadd IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC, 600adad5b45SAdrian Chadd "%s: merge failed, capabilities mismatch\n", __func__); 601adad5b45SAdrian Chadd #ifdef IEEE80211_DEBUG 602adad5b45SAdrian Chadd if (ieee80211_msg_assoc(vap)) 603adad5b45SAdrian Chadd check_bss_debug(vap, ni); 604adad5b45SAdrian Chadd #endif 605adad5b45SAdrian Chadd vap->iv_stats.is_ibss_capmismatch++; 606adad5b45SAdrian Chadd return 0; 607adad5b45SAdrian Chadd } 608adad5b45SAdrian Chadd 609adad5b45SAdrian Chadd return 1; 610adad5b45SAdrian Chadd } 611adad5b45SAdrian Chadd 612750d6d0cSSam Leffler /* 613172b009aSAdrian Chadd * Check if the given node should populate the node table. 614172b009aSAdrian Chadd * 615172b009aSAdrian Chadd * We need to be in "see all beacons for all ssids" mode in order 616172b009aSAdrian Chadd * to do IBSS merges, however this means we will populate nodes for 617172b009aSAdrian Chadd * /all/ IBSS SSIDs, versus just the one we care about. 618172b009aSAdrian Chadd * 619172b009aSAdrian Chadd * So this check ensures the node can actually belong to our IBSS 620172b009aSAdrian Chadd * configuration. For now it simply checks the SSID. 621172b009aSAdrian Chadd */ 622172b009aSAdrian Chadd int 623172b009aSAdrian Chadd ieee80211_ibss_node_check_new(struct ieee80211_node *ni, 624172b009aSAdrian Chadd const struct ieee80211_scanparams *scan) 625172b009aSAdrian Chadd { 626172b009aSAdrian Chadd struct ieee80211vap *vap = ni->ni_vap; 627172b009aSAdrian Chadd int i; 628172b009aSAdrian Chadd 629172b009aSAdrian Chadd /* 630172b009aSAdrian Chadd * If we have no SSID and no scan SSID, return OK. 631172b009aSAdrian Chadd */ 632172b009aSAdrian Chadd if (vap->iv_des_nssid == 0 && scan->ssid == NULL) 633172b009aSAdrian Chadd goto ok; 634172b009aSAdrian Chadd 635172b009aSAdrian Chadd /* 636172b009aSAdrian Chadd * If we have one of (SSID, scan SSID) then return error. 637172b009aSAdrian Chadd */ 638172b009aSAdrian Chadd if (!! (vap->iv_des_nssid == 0) != !! (scan->ssid == NULL)) 639172b009aSAdrian Chadd goto mismatch; 640172b009aSAdrian Chadd 641172b009aSAdrian Chadd /* 642172b009aSAdrian Chadd * Double-check - we need scan SSID. 643172b009aSAdrian Chadd */ 644172b009aSAdrian Chadd if (scan->ssid == NULL) 645172b009aSAdrian Chadd goto mismatch; 646172b009aSAdrian Chadd 647172b009aSAdrian Chadd /* 648172b009aSAdrian Chadd * Check if the scan SSID matches the SSID list for the VAP. 649172b009aSAdrian Chadd */ 650172b009aSAdrian Chadd for (i = 0; i < vap->iv_des_nssid; i++) { 651172b009aSAdrian Chadd /* Sanity length check */ 652172b009aSAdrian Chadd if (vap->iv_des_ssid[i].len != scan->ssid[1]) 653172b009aSAdrian Chadd continue; 654172b009aSAdrian Chadd 655172b009aSAdrian Chadd /* Note: SSID in the scan entry is the IE format */ 656172b009aSAdrian Chadd if (memcmp(vap->iv_des_ssid[i].ssid, scan->ssid + 2, 657172b009aSAdrian Chadd vap->iv_des_ssid[i].len) == 0) 658172b009aSAdrian Chadd goto ok; 659172b009aSAdrian Chadd } 660172b009aSAdrian Chadd 661172b009aSAdrian Chadd mismatch: 662172b009aSAdrian Chadd return (0); 663172b009aSAdrian Chadd ok: 664172b009aSAdrian Chadd return (1); 665172b009aSAdrian Chadd } 666172b009aSAdrian Chadd 667172b009aSAdrian Chadd /* 6688a1b9b6aSSam Leffler * Handle 802.11 ad hoc network merge. The 6698a1b9b6aSSam Leffler * convention, set by the Wireless Ethernet Compatibility Alliance 6708a1b9b6aSSam Leffler * (WECA), is that an 802.11 station will change its BSSID to match 6718a1b9b6aSSam Leffler * the "oldest" 802.11 ad hoc network, on the same channel, that 6728a1b9b6aSSam Leffler * has the station's desired SSID. The "oldest" 802.11 network 6738a1b9b6aSSam Leffler * sends beacons with the greatest TSF timestamp. 6748a1b9b6aSSam Leffler * 6758a1b9b6aSSam Leffler * The caller is assumed to validate TSF's before attempting a merge. 6768a1b9b6aSSam Leffler * 6778a1b9b6aSSam Leffler * Return !0 if the BSSID changed, 0 otherwise. 678750d6d0cSSam Leffler */ 6798a1b9b6aSSam Leffler int 680641b4d0bSSam Leffler ieee80211_ibss_merge(struct ieee80211_node *ni) 6818a1b9b6aSSam Leffler { 682b032f27cSSam Leffler #ifdef IEEE80211_DEBUG 683c89e0d15SBjoern A. Zeeb struct ieee80211vap *vap = ni->ni_vap; 684b032f27cSSam Leffler #endif 6858a1b9b6aSSam Leffler 686adad5b45SAdrian Chadd if (! ieee80211_ibss_merge_check(ni)) 6878a1b9b6aSSam Leffler return 0; 688adad5b45SAdrian Chadd 689b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC, 6908a1b9b6aSSam Leffler "%s: new bssid %s: %s preamble, %s slot time%s\n", __func__, 6918a1b9b6aSSam Leffler ether_sprintf(ni->ni_bssid), 692f1481c8dSAdrian Chadd vap->iv_flags&IEEE80211_F_SHPREAMBLE ? "short" : "long", 693d20ff6e6SAdrian Chadd vap->iv_flags&IEEE80211_F_SHSLOT ? "short" : "long", 694f1481c8dSAdrian Chadd vap->iv_flags&IEEE80211_F_USEPROT ? ", protection" : "" 6958a1b9b6aSSam Leffler ); 69668e8e04eSSam Leffler return ieee80211_sta_join1(ieee80211_ref_node(ni)); 6978a1b9b6aSSam Leffler } 6988a1b9b6aSSam Leffler 6998a1b9b6aSSam Leffler /* 700b032f27cSSam Leffler * Calculate HT channel promotion flags for all vaps. 701b032f27cSSam Leffler * This assumes ni_chan have been setup for each vap. 702b032f27cSSam Leffler */ 703b032f27cSSam Leffler static int 704b032f27cSSam Leffler gethtadjustflags(struct ieee80211com *ic) 705b032f27cSSam Leffler { 706b032f27cSSam Leffler struct ieee80211vap *vap; 707b032f27cSSam Leffler int flags; 708b032f27cSSam Leffler 709b032f27cSSam Leffler flags = 0; 710b032f27cSSam Leffler /* XXX locking */ 711b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 712b032f27cSSam Leffler if (vap->iv_state < IEEE80211_S_RUN) 713b032f27cSSam Leffler continue; 714b032f27cSSam Leffler switch (vap->iv_opmode) { 715b032f27cSSam Leffler case IEEE80211_M_WDS: 716b032f27cSSam Leffler case IEEE80211_M_STA: 717b032f27cSSam Leffler case IEEE80211_M_AHDEMO: 718b032f27cSSam Leffler case IEEE80211_M_HOSTAP: 719b032f27cSSam Leffler case IEEE80211_M_IBSS: 72059aa14a9SRui Paulo case IEEE80211_M_MBSS: 721b032f27cSSam Leffler flags |= ieee80211_htchanflags(vap->iv_bss->ni_chan); 722b032f27cSSam Leffler break; 723b032f27cSSam Leffler default: 724b032f27cSSam Leffler break; 725b032f27cSSam Leffler } 726b032f27cSSam Leffler } 727b032f27cSSam Leffler return flags; 728b032f27cSSam Leffler } 729b032f27cSSam Leffler 730b032f27cSSam Leffler /* 73151172f62SAdrian Chadd * Calculate VHT channel promotion flags for all vaps. 73251172f62SAdrian Chadd * This assumes ni_chan have been setup for each vap. 73351172f62SAdrian Chadd */ 73451172f62SAdrian Chadd static int 73551172f62SAdrian Chadd getvhtadjustflags(struct ieee80211com *ic) 73651172f62SAdrian Chadd { 73751172f62SAdrian Chadd struct ieee80211vap *vap; 73851172f62SAdrian Chadd int flags; 73951172f62SAdrian Chadd 74051172f62SAdrian Chadd flags = 0; 74151172f62SAdrian Chadd /* XXX locking */ 74251172f62SAdrian Chadd TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 74351172f62SAdrian Chadd if (vap->iv_state < IEEE80211_S_RUN) 74451172f62SAdrian Chadd continue; 74551172f62SAdrian Chadd switch (vap->iv_opmode) { 74651172f62SAdrian Chadd case IEEE80211_M_WDS: 74751172f62SAdrian Chadd case IEEE80211_M_STA: 74851172f62SAdrian Chadd case IEEE80211_M_AHDEMO: 74951172f62SAdrian Chadd case IEEE80211_M_HOSTAP: 75051172f62SAdrian Chadd case IEEE80211_M_IBSS: 75151172f62SAdrian Chadd case IEEE80211_M_MBSS: 75251172f62SAdrian Chadd flags |= ieee80211_vhtchanflags(vap->iv_bss->ni_chan); 75351172f62SAdrian Chadd break; 75451172f62SAdrian Chadd default: 75551172f62SAdrian Chadd break; 75651172f62SAdrian Chadd } 75751172f62SAdrian Chadd } 75851172f62SAdrian Chadd return flags; 75951172f62SAdrian Chadd } 76051172f62SAdrian Chadd 76151172f62SAdrian Chadd /* 762b032f27cSSam Leffler * Check if the current channel needs to change based on whether 7635d44f8c0SSam Leffler * any vap's are using HT20/HT40. This is used to sync the state 7645d44f8c0SSam Leffler * of ic_curchan after a channel width change on a running vap. 76551172f62SAdrian Chadd * 76651172f62SAdrian Chadd * Same applies for VHT. 7671b6167d2SSam Leffler */ 7681b6167d2SSam Leffler void 769b032f27cSSam Leffler ieee80211_sync_curchan(struct ieee80211com *ic) 7701b6167d2SSam Leffler { 771b032f27cSSam Leffler struct ieee80211_channel *c; 772b032f27cSSam Leffler 773b032f27cSSam Leffler c = ieee80211_ht_adjust_channel(ic, ic->ic_curchan, gethtadjustflags(ic)); 77451172f62SAdrian Chadd c = ieee80211_vht_adjust_channel(ic, c, getvhtadjustflags(ic)); 77551172f62SAdrian Chadd 776b032f27cSSam Leffler if (c != ic->ic_curchan) { 777b032f27cSSam Leffler ic->ic_curchan = c; 778b032f27cSSam Leffler ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan); 77926d39e2cSSam Leffler ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 7805efea30fSAndrew Thompson IEEE80211_UNLOCK(ic); 781b032f27cSSam Leffler ic->ic_set_channel(ic); 7825463c4a4SSam Leffler ieee80211_radiotap_chan_change(ic); 7835efea30fSAndrew Thompson IEEE80211_LOCK(ic); 784b032f27cSSam Leffler } 785b032f27cSSam Leffler } 786b032f27cSSam Leffler 787b032f27cSSam Leffler /* 7885efea30fSAndrew Thompson * Setup the current channel. The request channel may be 789b032f27cSSam Leffler * promoted if other vap's are operating with HT20/HT40. 790b032f27cSSam Leffler */ 791b032f27cSSam Leffler void 7925efea30fSAndrew Thompson ieee80211_setupcurchan(struct ieee80211com *ic, struct ieee80211_channel *c) 793b032f27cSSam Leffler { 794b032f27cSSam Leffler if (ic->ic_htcaps & IEEE80211_HTC_HT) { 795b032f27cSSam Leffler int flags = gethtadjustflags(ic); 796b032f27cSSam Leffler /* 797b032f27cSSam Leffler * Check for channel promotion required to support the 798b032f27cSSam Leffler * set of running vap's. This assumes we are called 799b032f27cSSam Leffler * after ni_chan is setup for each vap. 800b032f27cSSam Leffler */ 80151172f62SAdrian Chadd /* XXX VHT? */ 8022bfc8a91SSam Leffler /* NB: this assumes IEEE80211_FHT_USEHT40 > IEEE80211_FHT_HT */ 803b032f27cSSam Leffler if (flags > ieee80211_htchanflags(c)) 804b032f27cSSam Leffler c = ieee80211_ht_adjust_channel(ic, c, flags); 805b032f27cSSam Leffler } 80651172f62SAdrian Chadd 80751172f62SAdrian Chadd /* 80851172f62SAdrian Chadd * VHT promotion - this will at least promote to VHT20/40 80951172f62SAdrian Chadd * based on what HT has done; it may further promote the 81051172f62SAdrian Chadd * channel to VHT80 or above. 81151172f62SAdrian Chadd */ 812562adbe1SBjoern A. Zeeb if (ic->ic_vht_cap.vht_cap_info != 0) { 81351172f62SAdrian Chadd int flags = getvhtadjustflags(ic); 81451172f62SAdrian Chadd if (flags > ieee80211_vhtchanflags(c)) 81551172f62SAdrian Chadd c = ieee80211_vht_adjust_channel(ic, c, flags); 81651172f62SAdrian Chadd } 81751172f62SAdrian Chadd 818b032f27cSSam Leffler ic->ic_bsschan = ic->ic_curchan = c; 8191b6167d2SSam Leffler ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan); 82026d39e2cSSam Leffler ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 8215efea30fSAndrew Thompson } 8225efea30fSAndrew Thompson 8235efea30fSAndrew Thompson /* 8245efea30fSAndrew Thompson * Change the current channel. The channel change is guaranteed to have 8255efea30fSAndrew Thompson * happened before the next state change. 8265efea30fSAndrew Thompson */ 8275efea30fSAndrew Thompson void 8285efea30fSAndrew Thompson ieee80211_setcurchan(struct ieee80211com *ic, struct ieee80211_channel *c) 8295efea30fSAndrew Thompson { 8305efea30fSAndrew Thompson ieee80211_setupcurchan(ic, c); 8315efea30fSAndrew Thompson ieee80211_runtask(ic, &ic->ic_chan_task); 8321b6167d2SSam Leffler } 8331b6167d2SSam Leffler 834b94299c4SAdrian Chadd void 835b94299c4SAdrian Chadd ieee80211_update_chw(struct ieee80211com *ic) 836b94299c4SAdrian Chadd { 837b94299c4SAdrian Chadd 838b94299c4SAdrian Chadd ieee80211_setupcurchan(ic, ic->ic_curchan); 839b94299c4SAdrian Chadd ieee80211_runtask(ic, &ic->ic_chw_task); 840b94299c4SAdrian Chadd } 841b94299c4SAdrian Chadd 8421b6167d2SSam Leffler /* 8438a1b9b6aSSam Leffler * Join the specified IBSS/BSS network. The node is assumed to 8448a1b9b6aSSam Leffler * be passed in with a held reference. 8458a1b9b6aSSam Leffler */ 84668e8e04eSSam Leffler static int 84768e8e04eSSam Leffler ieee80211_sta_join1(struct ieee80211_node *selbs) 8488a1b9b6aSSam Leffler { 849b032f27cSSam Leffler struct ieee80211vap *vap = selbs->ni_vap; 85068e8e04eSSam Leffler struct ieee80211com *ic = selbs->ni_ic; 8518a1b9b6aSSam Leffler struct ieee80211_node *obss; 85268e8e04eSSam Leffler int canreassoc; 8538a1b9b6aSSam Leffler 8548a1b9b6aSSam Leffler /* 8558a1b9b6aSSam Leffler * Committed to selbs, setup state. 8568a1b9b6aSSam Leffler */ 85791b4225aSBjoern A. Zeeb obss = vap->iv_update_bss(vap, selbs); /* NB: caller assumed to bump refcnt */ 85868e8e04eSSam Leffler /* 85968e8e04eSSam Leffler * Check if old+new node have the same address in which 86068e8e04eSSam Leffler * case we can reassociate when operating in sta mode. 86168e8e04eSSam Leffler */ 862453d1a90SBjoern A. Zeeb /* XXX We'll not be in RUN anymore as iv_state got updated already? */ 86368e8e04eSSam Leffler canreassoc = (obss != NULL && 864b032f27cSSam Leffler vap->iv_state == IEEE80211_S_RUN && 86568e8e04eSSam Leffler IEEE80211_ADDR_EQ(obss->ni_macaddr, selbs->ni_macaddr)); 8661fd2349dSSam Leffler if (obss != NULL) { 8678a055831SAdrian Chadd struct ieee80211_node_table *nt = obss->ni_table; 8688a055831SAdrian Chadd 8691fd2349dSSam Leffler copy_bss(selbs, obss); 87047a7b0faSSam Leffler ieee80211_node_decref(obss); /* iv_bss reference */ 8718a055831SAdrian Chadd 8728a055831SAdrian Chadd IEEE80211_NODE_LOCK(nt); 8738a055831SAdrian Chadd node_reclaim(nt, obss); /* station table reference */ 8748a055831SAdrian Chadd IEEE80211_NODE_UNLOCK(nt); 8758a055831SAdrian Chadd 876b032f27cSSam Leffler obss = NULL; /* NB: guard against later use */ 8771fd2349dSSam Leffler } 87879edaebfSSam Leffler 87979edaebfSSam Leffler /* 88079edaebfSSam Leffler * Delete unusable rates; we've already checked 88179edaebfSSam Leffler * that the negotiated rate set is acceptable. 88279edaebfSSam Leffler */ 883b032f27cSSam Leffler ieee80211_fix_rate(vap->iv_bss, &vap->iv_bss->ni_rates, 88470e28b9aSSam Leffler IEEE80211_F_DODEL | IEEE80211_F_JOIN); 88579edaebfSSam Leffler 886b032f27cSSam Leffler ieee80211_setcurchan(ic, selbs->ni_chan); 8878a1b9b6aSSam Leffler /* 8888a1b9b6aSSam Leffler * Set the erp state (mostly the slot time) to deal with 8898a1b9b6aSSam Leffler * the auto-select case; this should be redundant if the 8908a1b9b6aSSam Leffler * mode is locked. 8918a1b9b6aSSam Leffler */ 892d20ff6e6SAdrian Chadd ieee80211_vap_reset_erp(vap); 893b032f27cSSam Leffler ieee80211_wme_initparams(vap); 894acc4f7f5SSam Leffler 895b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_STA) { 89668e8e04eSSam Leffler if (canreassoc) { 89768e8e04eSSam Leffler /* Reassociate */ 898b032f27cSSam Leffler ieee80211_new_state(vap, IEEE80211_S_ASSOC, 1); 89968e8e04eSSam Leffler } else { 90068e8e04eSSam Leffler /* 90168e8e04eSSam Leffler * Act as if we received a DEAUTH frame in case we 90268e8e04eSSam Leffler * are invoked from the RUN state. This will cause 90368e8e04eSSam Leffler * us to try to re-authenticate if we are operating 90468e8e04eSSam Leffler * as a station. 90568e8e04eSSam Leffler */ 90604efa18fSBjoern A. Zeeb IEEE80211_DPRINTF(vap, IEEE80211_MSG_AUTH, 907453d1a90SBjoern A. Zeeb "%s %p<%s> %s -> AUTH, FC0_SUBTYPE_DEAUTH\n", 908453d1a90SBjoern A. Zeeb __func__, selbs, ether_sprintf(selbs->ni_macaddr), 909453d1a90SBjoern A. Zeeb ieee80211_state_name[vap->iv_state]); 910b032f27cSSam Leffler ieee80211_new_state(vap, IEEE80211_S_AUTH, 91168e8e04eSSam Leffler IEEE80211_FC0_SUBTYPE_DEAUTH); 91268e8e04eSSam Leffler } 91368e8e04eSSam Leffler } else 914b032f27cSSam Leffler ieee80211_new_state(vap, IEEE80211_S_RUN, -1); 9158a1b9b6aSSam Leffler return 1; 9168a1b9b6aSSam Leffler } 9178a1b9b6aSSam Leffler 91868e8e04eSSam Leffler int 91910959256SSam Leffler ieee80211_sta_join(struct ieee80211vap *vap, struct ieee80211_channel *chan, 92068e8e04eSSam Leffler const struct ieee80211_scan_entry *se) 92168e8e04eSSam Leffler { 922b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 92368e8e04eSSam Leffler struct ieee80211_node *ni; 92451172f62SAdrian Chadd int do_ht = 0; 92568e8e04eSSam Leffler 9263a11944bSBjoern A. Zeeb ni = ieee80211_alloc_node(&ic->ic_sta, vap, se->se_macaddr, 9273a11944bSBjoern A. Zeeb __func__, __LINE__); 92868e8e04eSSam Leffler if (ni == NULL) { 92968e8e04eSSam Leffler /* XXX msg */ 93068e8e04eSSam Leffler return 0; 93168e8e04eSSam Leffler } 932d71a1f7aSAdrian Chadd 93368e8e04eSSam Leffler /* 93468e8e04eSSam Leffler * Expand scan state into node's format. 93568e8e04eSSam Leffler * XXX may not need all this stuff 93668e8e04eSSam Leffler */ 93768e8e04eSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, se->se_bssid); 93868e8e04eSSam Leffler ni->ni_esslen = se->se_ssid[1]; 93968e8e04eSSam Leffler memcpy(ni->ni_essid, se->se_ssid+2, ni->ni_esslen); 94068e8e04eSSam Leffler ni->ni_tstamp.tsf = se->se_tstamp.tsf; 94168e8e04eSSam Leffler ni->ni_intval = se->se_intval; 94268e8e04eSSam Leffler ni->ni_capinfo = se->se_capinfo; 94310959256SSam Leffler ni->ni_chan = chan; 94468e8e04eSSam Leffler ni->ni_timoff = se->se_timoff; 94568e8e04eSSam Leffler ni->ni_fhdwell = se->se_fhdwell; 94668e8e04eSSam Leffler ni->ni_fhindex = se->se_fhindex; 94768e8e04eSSam Leffler ni->ni_erp = se->se_erp; 948b032f27cSSam Leffler IEEE80211_RSSI_LPF(ni->ni_avgrssi, se->se_rssi); 94968e8e04eSSam Leffler ni->ni_noise = se->se_noise; 9506ca74c40SSam Leffler if (vap->iv_opmode == IEEE80211_M_STA) { 9516ca74c40SSam Leffler /* NB: only infrastructure mode requires an associd */ 9521b999d64SSam Leffler ni->ni_flags |= IEEE80211_NODE_ASSOCID; 9536ca74c40SSam Leffler } 95468e8e04eSSam Leffler 955b032f27cSSam Leffler if (ieee80211_ies_init(&ni->ni_ies, se->se_ies.data, se->se_ies.len)) { 956b032f27cSSam Leffler ieee80211_ies_expand(&ni->ni_ies); 957616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 958b032f27cSSam Leffler if (ni->ni_ies.ath_ie != NULL) 959b032f27cSSam Leffler ieee80211_parse_ath(ni, ni->ni_ies.ath_ie); 960616190d0SSam Leffler #endif 961b032f27cSSam Leffler if (ni->ni_ies.htcap_ie != NULL) 962b032f27cSSam Leffler ieee80211_parse_htcap(ni, ni->ni_ies.htcap_ie); 963b032f27cSSam Leffler if (ni->ni_ies.htinfo_ie != NULL) 964b032f27cSSam Leffler ieee80211_parse_htinfo(ni, ni->ni_ies.htinfo_ie); 96559aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 96659aa14a9SRui Paulo if (ni->ni_ies.meshid_ie != NULL) 96759aa14a9SRui Paulo ieee80211_parse_meshid(ni, ni->ni_ies.meshid_ie); 96859aa14a9SRui Paulo #endif 96910ad9a77SSam Leffler #ifdef IEEE80211_SUPPORT_TDMA 97010ad9a77SSam Leffler if (ni->ni_ies.tdma_ie != NULL) 97110ad9a77SSam Leffler ieee80211_parse_tdma(ni, ni->ni_ies.tdma_ie); 97210ad9a77SSam Leffler #endif 97351172f62SAdrian Chadd if (ni->ni_ies.vhtcap_ie != NULL) 97451172f62SAdrian Chadd ieee80211_parse_vhtcap(ni, ni->ni_ies.vhtcap_ie); 97551172f62SAdrian Chadd if (ni->ni_ies.vhtopmode_ie != NULL) 97651172f62SAdrian Chadd ieee80211_parse_vhtopmode(ni, ni->ni_ies.vhtopmode_ie); 97774a54be9SAdrian Chadd 97874a54be9SAdrian Chadd /* XXX parse BSSLOAD IE */ 97951172f62SAdrian Chadd /* XXX parse TXPWRENV IE */ 98074a54be9SAdrian Chadd /* XXX parse APCHANREP IE */ 981b032f27cSSam Leffler } 982b032f27cSSam Leffler 983b032f27cSSam Leffler vap->iv_dtim_period = se->se_dtimperiod; 984b032f27cSSam Leffler vap->iv_dtim_count = 0; 98568e8e04eSSam Leffler 98668e8e04eSSam Leffler /* NB: must be after ni_chan is setup */ 98768e8e04eSSam Leffler ieee80211_setup_rates(ni, se->se_rates, se->se_xrates, 98868e8e04eSSam Leffler IEEE80211_F_DOSORT); 989dfcd1f4dSSam Leffler if (ieee80211_iserp_rateset(&ni->ni_rates)) 990dfcd1f4dSSam Leffler ni->ni_flags |= IEEE80211_NODE_ERP; 991d71a1f7aSAdrian Chadd 992d71a1f7aSAdrian Chadd /* 993d71a1f7aSAdrian Chadd * Setup HT state for this node if it's available, otherwise 994d71a1f7aSAdrian Chadd * non-STA modes won't pick this state up. 995d71a1f7aSAdrian Chadd * 996d71a1f7aSAdrian Chadd * For IBSS and related modes that don't go through an 997d71a1f7aSAdrian Chadd * association request/response, the only appropriate place 998d71a1f7aSAdrian Chadd * to setup the HT state is here. 999d71a1f7aSAdrian Chadd */ 1000d71a1f7aSAdrian Chadd if (ni->ni_ies.htinfo_ie != NULL && 1001d71a1f7aSAdrian Chadd ni->ni_ies.htcap_ie != NULL && 1002d71a1f7aSAdrian Chadd vap->iv_flags_ht & IEEE80211_FHT_HT) { 1003d71a1f7aSAdrian Chadd ieee80211_ht_node_init(ni); 1004d71a1f7aSAdrian Chadd ieee80211_ht_updateparams(ni, 1005d71a1f7aSAdrian Chadd ni->ni_ies.htcap_ie, 1006d71a1f7aSAdrian Chadd ni->ni_ies.htinfo_ie); 100751172f62SAdrian Chadd do_ht = 1; 100851172f62SAdrian Chadd } 100951172f62SAdrian Chadd 101051172f62SAdrian Chadd /* 101151172f62SAdrian Chadd * Setup VHT state for this node if it's available. 101251172f62SAdrian Chadd * Same as the above. 101351172f62SAdrian Chadd * 101451172f62SAdrian Chadd * For now, don't allow 2GHz VHT operation. 101551172f62SAdrian Chadd */ 101651172f62SAdrian Chadd if (ni->ni_ies.vhtopmode_ie != NULL && 101751172f62SAdrian Chadd ni->ni_ies.vhtcap_ie != NULL && 1018ef48d4faSBjoern A. Zeeb vap->iv_vht_flags & IEEE80211_FVHT_VHT) { 101951172f62SAdrian Chadd if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) { 102051172f62SAdrian Chadd printf("%s: BSS %6D: 2GHz channel, VHT info; ignoring\n", 102151172f62SAdrian Chadd __func__, 102251172f62SAdrian Chadd ni->ni_macaddr, 102351172f62SAdrian Chadd ":"); 102451172f62SAdrian Chadd } else { 102551172f62SAdrian Chadd ieee80211_vht_node_init(ni); 102651172f62SAdrian Chadd ieee80211_vht_updateparams(ni, 102751172f62SAdrian Chadd ni->ni_ies.vhtcap_ie, 102851172f62SAdrian Chadd ni->ni_ies.vhtopmode_ie); 102951172f62SAdrian Chadd ieee80211_setup_vht_rates(ni, ni->ni_ies.vhtcap_ie, 103051172f62SAdrian Chadd ni->ni_ies.vhtopmode_ie); 103151172f62SAdrian Chadd do_ht = 1; 103251172f62SAdrian Chadd } 103351172f62SAdrian Chadd } 103451172f62SAdrian Chadd 103551172f62SAdrian Chadd /* Finally do the node channel change */ 103651172f62SAdrian Chadd if (do_ht) { 103751172f62SAdrian Chadd ieee80211_ht_updateparams_final(ni, ni->ni_ies.htcap_ie, 103851172f62SAdrian Chadd ni->ni_ies.htinfo_ie); 1039d71a1f7aSAdrian Chadd ieee80211_setup_htrates(ni, ni->ni_ies.htcap_ie, 1040d71a1f7aSAdrian Chadd IEEE80211_F_JOIN | IEEE80211_F_DOBRS); 1041d71a1f7aSAdrian Chadd ieee80211_setup_basic_htrates(ni, ni->ni_ies.htinfo_ie); 1042d71a1f7aSAdrian Chadd } 104351172f62SAdrian Chadd 1044d71a1f7aSAdrian Chadd /* XXX else check for ath FF? */ 1045d71a1f7aSAdrian Chadd /* XXX QoS? Difficult given that WME config is specific to a master */ 1046d71a1f7aSAdrian Chadd 1047d77148fbSSam Leffler ieee80211_node_setuptxparms(ni); 104849d2c137SBernhard Schmidt ieee80211_ratectl_node_init(ni); 104968e8e04eSSam Leffler 105068e8e04eSSam Leffler return ieee80211_sta_join1(ieee80211_ref_node(ni)); 105168e8e04eSSam Leffler } 105268e8e04eSSam Leffler 10538a1b9b6aSSam Leffler /* 10548a1b9b6aSSam Leffler * Leave the specified IBSS/BSS network. The node is assumed to 10558a1b9b6aSSam Leffler * be passed in with a held reference. 10568a1b9b6aSSam Leffler */ 10578a1b9b6aSSam Leffler void 1058b032f27cSSam Leffler ieee80211_sta_leave(struct ieee80211_node *ni) 10598a1b9b6aSSam Leffler { 1060b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 1061b032f27cSSam Leffler 10628a1b9b6aSSam Leffler ic->ic_node_cleanup(ni); 1063b032f27cSSam Leffler ieee80211_notify_node_leave(ni); 1064b032f27cSSam Leffler } 1065b032f27cSSam Leffler 1066b032f27cSSam Leffler /* 1067b032f27cSSam Leffler * Send a deauthenticate frame and drop the station. 1068b032f27cSSam Leffler */ 1069b032f27cSSam Leffler void 1070b032f27cSSam Leffler ieee80211_node_deauth(struct ieee80211_node *ni, int reason) 1071b032f27cSSam Leffler { 1072eca3b4fcSAdrian Chadd /* NB: bump the refcnt to be sure temporary nodes are not reclaimed */ 1073b032f27cSSam Leffler ieee80211_ref_node(ni); 1074b032f27cSSam Leffler if (ni->ni_associd != 0) 1075b032f27cSSam Leffler IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1076b032f27cSSam Leffler ieee80211_node_leave(ni); 1077b032f27cSSam Leffler ieee80211_free_node(ni); 10788a1b9b6aSSam Leffler } 10798a1b9b6aSSam Leffler 10801a1e1d21SSam Leffler static struct ieee80211_node * 108138c208f8SSam Leffler node_alloc(struct ieee80211vap *vap, const uint8_t macaddr[IEEE80211_ADDR_LEN]) 10821a1e1d21SSam Leffler { 1083410ca74bSSam Leffler struct ieee80211_node *ni; 10848a1b9b6aSSam Leffler 1085b9b53389SAdrian Chadd ni = (struct ieee80211_node *) IEEE80211_MALLOC(sizeof(struct ieee80211_node), 1086b9b53389SAdrian Chadd M_80211_NODE, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1087410ca74bSSam Leffler return ni; 10881a1e1d21SSam Leffler } 10891a1e1d21SSam Leffler 1090ea3d5fd9SAdrian Chadd static int 1091ea3d5fd9SAdrian Chadd node_init(struct ieee80211_node *ni) 1092ea3d5fd9SAdrian Chadd { 1093ea3d5fd9SAdrian Chadd return 0; 1094ea3d5fd9SAdrian Chadd } 1095ea3d5fd9SAdrian Chadd 10968a1b9b6aSSam Leffler /* 1097b032f27cSSam Leffler * Initialize an ie blob with the specified data. If previous 1098b032f27cSSam Leffler * data exists re-use the data block. As a side effect we clear 1099b032f27cSSam Leffler * all references to specific ie's; the caller is required to 1100b032f27cSSam Leffler * recalculate them. 1101b032f27cSSam Leffler */ 1102b032f27cSSam Leffler int 1103b032f27cSSam Leffler ieee80211_ies_init(struct ieee80211_ies *ies, const uint8_t *data, int len) 1104b032f27cSSam Leffler { 1105b032f27cSSam Leffler /* NB: assumes data+len are the last fields */ 1106b032f27cSSam Leffler memset(ies, 0, offsetof(struct ieee80211_ies, data)); 1107b032f27cSSam Leffler if (ies->data != NULL && ies->len != len) { 1108b032f27cSSam Leffler /* data size changed */ 1109b9b53389SAdrian Chadd IEEE80211_FREE(ies->data, M_80211_NODE_IE); 1110b032f27cSSam Leffler ies->data = NULL; 1111b032f27cSSam Leffler } 1112b032f27cSSam Leffler if (ies->data == NULL) { 1113b9b53389SAdrian Chadd ies->data = (uint8_t *) IEEE80211_MALLOC(len, M_80211_NODE_IE, 1114b9b53389SAdrian Chadd IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1115b032f27cSSam Leffler if (ies->data == NULL) { 1116b032f27cSSam Leffler ies->len = 0; 1117b032f27cSSam Leffler /* NB: pointers have already been zero'd above */ 1118b032f27cSSam Leffler return 0; 1119b032f27cSSam Leffler } 1120b032f27cSSam Leffler } 1121b032f27cSSam Leffler memcpy(ies->data, data, len); 1122b032f27cSSam Leffler ies->len = len; 1123b032f27cSSam Leffler return 1; 1124b032f27cSSam Leffler } 1125b032f27cSSam Leffler 1126b032f27cSSam Leffler /* 1127b032f27cSSam Leffler * Reclaim storage for an ie blob. 1128b032f27cSSam Leffler */ 1129b032f27cSSam Leffler void 1130b032f27cSSam Leffler ieee80211_ies_cleanup(struct ieee80211_ies *ies) 1131b032f27cSSam Leffler { 1132b032f27cSSam Leffler if (ies->data != NULL) 1133b9b53389SAdrian Chadd IEEE80211_FREE(ies->data, M_80211_NODE_IE); 1134b032f27cSSam Leffler } 1135b032f27cSSam Leffler 1136b032f27cSSam Leffler /* 1137b032f27cSSam Leffler * Expand an ie blob data contents and to fillin individual 1138b032f27cSSam Leffler * ie pointers. The data blob is assumed to be well-formed; 1139b032f27cSSam Leffler * we don't do any validity checking of ie lengths. 1140b032f27cSSam Leffler */ 1141b032f27cSSam Leffler void 1142b032f27cSSam Leffler ieee80211_ies_expand(struct ieee80211_ies *ies) 1143b032f27cSSam Leffler { 1144b032f27cSSam Leffler uint8_t *ie; 1145b032f27cSSam Leffler int ielen; 1146b032f27cSSam Leffler 1147b032f27cSSam Leffler ie = ies->data; 1148b032f27cSSam Leffler ielen = ies->len; 114909dd08f1SBjoern A. Zeeb while (ielen > 1) { 11509d2ba518SBjoern A. Zeeb /* Make sure the given IE length fits into the total length. */ 11519d2ba518SBjoern A. Zeeb if ((2 + ie[1]) > ielen) { 11529d2ba518SBjoern A. Zeeb printf("%s: malformed IEs! ies %p { data %p len %d }: " 11539d2ba518SBjoern A. Zeeb "ie %u len 2+%u > total len left %d\n", 11549d2ba518SBjoern A. Zeeb __func__, ies, ies->data, ies->len, 11559d2ba518SBjoern A. Zeeb ie[0], ie[1], ielen); 11569d2ba518SBjoern A. Zeeb return; 11579d2ba518SBjoern A. Zeeb } 1158b032f27cSSam Leffler switch (ie[0]) { 1159b032f27cSSam Leffler case IEEE80211_ELEMID_VENDOR: 1160b032f27cSSam Leffler if (iswpaoui(ie)) 1161b032f27cSSam Leffler ies->wpa_ie = ie; 1162b032f27cSSam Leffler else if (iswmeoui(ie)) 1163b032f27cSSam Leffler ies->wme_ie = ie; 1164616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 1165b032f27cSSam Leffler else if (isatherosoui(ie)) 1166b032f27cSSam Leffler ies->ath_ie = ie; 1167616190d0SSam Leffler #endif 116810ad9a77SSam Leffler #ifdef IEEE80211_SUPPORT_TDMA 116910ad9a77SSam Leffler else if (istdmaoui(ie)) 117010ad9a77SSam Leffler ies->tdma_ie = ie; 117110ad9a77SSam Leffler #endif 1172b032f27cSSam Leffler break; 1173b032f27cSSam Leffler case IEEE80211_ELEMID_RSN: 1174b032f27cSSam Leffler ies->rsn_ie = ie; 1175b032f27cSSam Leffler break; 1176b032f27cSSam Leffler case IEEE80211_ELEMID_HTCAP: 1177b032f27cSSam Leffler ies->htcap_ie = ie; 1178b032f27cSSam Leffler break; 1179d71a1f7aSAdrian Chadd case IEEE80211_ELEMID_HTINFO: 1180d71a1f7aSAdrian Chadd ies->htinfo_ie = ie; 1181d71a1f7aSAdrian Chadd break; 118259aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 118359aa14a9SRui Paulo case IEEE80211_ELEMID_MESHID: 118459aa14a9SRui Paulo ies->meshid_ie = ie; 118559aa14a9SRui Paulo break; 118659aa14a9SRui Paulo #endif 118774a54be9SAdrian Chadd case IEEE80211_ELEMID_VHT_CAP: 118874a54be9SAdrian Chadd ies->vhtcap_ie = ie; 118974a54be9SAdrian Chadd break; 119074a54be9SAdrian Chadd case IEEE80211_ELEMID_VHT_OPMODE: 119174a54be9SAdrian Chadd ies->vhtopmode_ie = ie; 119274a54be9SAdrian Chadd break; 119374a54be9SAdrian Chadd case IEEE80211_ELEMID_VHT_PWR_ENV: 119474a54be9SAdrian Chadd ies->vhtpwrenv_ie = ie; 119574a54be9SAdrian Chadd break; 119674a54be9SAdrian Chadd case IEEE80211_ELEMID_BSSLOAD: 119774a54be9SAdrian Chadd ies->bssload_ie = ie; 119874a54be9SAdrian Chadd break; 119974a54be9SAdrian Chadd case IEEE80211_ELEMID_APCHANREP: 120074a54be9SAdrian Chadd ies->apchanrep_ie = ie; 120174a54be9SAdrian Chadd break; 1202b032f27cSSam Leffler } 1203b032f27cSSam Leffler ielen -= 2 + ie[1]; 1204b032f27cSSam Leffler ie += 2 + ie[1]; 1205b032f27cSSam Leffler } 1206b032f27cSSam Leffler } 1207b032f27cSSam Leffler 1208b032f27cSSam Leffler /* 12098a1b9b6aSSam Leffler * Reclaim any resources in a node and reset any critical 12108a1b9b6aSSam Leffler * state. Typically nodes are free'd immediately after, 12118a1b9b6aSSam Leffler * but in some cases the storage may be reused so we need 12128a1b9b6aSSam Leffler * to insure consistent state (should probably fix that). 12138a1b9b6aSSam Leffler */ 12141a1e1d21SSam Leffler static void 12158a1b9b6aSSam Leffler node_cleanup(struct ieee80211_node *ni) 12161a1e1d21SSam Leffler { 1217b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 12185b16c28cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 121968e8e04eSSam Leffler int i; 12208a1b9b6aSSam Leffler 12218a1b9b6aSSam Leffler /* NB: preserve ni_table */ 12228a1b9b6aSSam Leffler if (ni->ni_flags & IEEE80211_NODE_PWR_MGT) { 1223b032f27cSSam Leffler if (vap->iv_opmode != IEEE80211_M_STA) 1224b032f27cSSam Leffler vap->iv_ps_sta--; 12258a1b9b6aSSam Leffler ni->ni_flags &= ~IEEE80211_NODE_PWR_MGT; 1226b032f27cSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_POWER, ni, 1227b032f27cSSam Leffler "power save mode off, %u sta's in ps mode", vap->iv_ps_sta); 12288a1b9b6aSSam Leffler } 1229ebdda46cSSam Leffler /* 123051172f62SAdrian Chadd * Cleanup any VHT and HT-related state. 12311b6167d2SSam Leffler */ 123251172f62SAdrian Chadd if (ni->ni_flags & IEEE80211_NODE_VHT) 123351172f62SAdrian Chadd ieee80211_vht_node_cleanup(ni); 12341b6167d2SSam Leffler if (ni->ni_flags & IEEE80211_NODE_HT) 12351b6167d2SSam Leffler ieee80211_ht_node_cleanup(ni); 1236339ccfb3SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 12371c7b0c84SAdrian Chadd /* Always do FF node cleanup; for A-MSDU */ 1238339ccfb3SSam Leffler ieee80211_ff_node_cleanup(ni); 1239339ccfb3SSam Leffler #endif 124059aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 124159aa14a9SRui Paulo /* 124259aa14a9SRui Paulo * Cleanup any mesh-related state. 124359aa14a9SRui Paulo */ 124459aa14a9SRui Paulo if (vap->iv_opmode == IEEE80211_M_MBSS) 124559aa14a9SRui Paulo ieee80211_mesh_node_cleanup(ni); 124659aa14a9SRui Paulo #endif 12471b6167d2SSam Leffler /* 12485b16c28cSSam Leffler * Clear any staging queue entries. 12495b16c28cSSam Leffler */ 12505b16c28cSSam Leffler ieee80211_ageq_drain_node(&ic->ic_stageq, ni); 12515b16c28cSSam Leffler 12525b16c28cSSam Leffler /* 1253ebdda46cSSam Leffler * Clear AREF flag that marks the authorization refcnt bump 1254ebdda46cSSam Leffler * has happened. This is probably not needed as the node 1255ebdda46cSSam Leffler * should always be removed from the table so not found but 1256ebdda46cSSam Leffler * do it just in case. 12571b999d64SSam Leffler * Likewise clear the ASSOCID flag as these flags are intended 12581b999d64SSam Leffler * to be managed in tandem. 1259ebdda46cSSam Leffler */ 12601b999d64SSam Leffler ni->ni_flags &= ~(IEEE80211_NODE_AREF | IEEE80211_NODE_ASSOCID); 12618a1b9b6aSSam Leffler 12628a1b9b6aSSam Leffler /* 12638a1b9b6aSSam Leffler * Drain power save queue and, if needed, clear TIM. 12648a1b9b6aSSam Leffler */ 126563092fceSSam Leffler if (ieee80211_node_psq_drain(ni) != 0 && vap->iv_set_tim != NULL) 1266b032f27cSSam Leffler vap->iv_set_tim(ni, 0); 12678a1b9b6aSSam Leffler 12688a1b9b6aSSam Leffler ni->ni_associd = 0; 12698a1b9b6aSSam Leffler if (ni->ni_challenge != NULL) { 1270b9b53389SAdrian Chadd IEEE80211_FREE(ni->ni_challenge, M_80211_NODE); 12718a1b9b6aSSam Leffler ni->ni_challenge = NULL; 12728a1b9b6aSSam Leffler } 12738a1b9b6aSSam Leffler /* 12748a1b9b6aSSam Leffler * Preserve SSID, WPA, and WME ie's so the bss node is 12758a1b9b6aSSam Leffler * reusable during a re-auth/re-assoc state transition. 12768a1b9b6aSSam Leffler * If we remove these data they will not be recreated 12778a1b9b6aSSam Leffler * because they come from a probe-response or beacon frame 12788a1b9b6aSSam Leffler * which cannot be expected prior to the association-response. 12798a1b9b6aSSam Leffler * This should not be an issue when operating in other modes 12808a1b9b6aSSam Leffler * as stations leaving always go through a full state transition 12818a1b9b6aSSam Leffler * which will rebuild this state. 12828a1b9b6aSSam Leffler * 12838a1b9b6aSSam Leffler * XXX does this leave us open to inheriting old state? 12848a1b9b6aSSam Leffler */ 1285a3e08d6fSRui Paulo for (i = 0; i < nitems(ni->ni_rxfrag); i++) 12868a1b9b6aSSam Leffler if (ni->ni_rxfrag[i] != NULL) { 12878a1b9b6aSSam Leffler m_freem(ni->ni_rxfrag[i]); 12888a1b9b6aSSam Leffler ni->ni_rxfrag[i] = NULL; 12898a1b9b6aSSam Leffler } 1290c1225b52SSam Leffler /* 1291c1225b52SSam Leffler * Must be careful here to remove any key map entry w/o a LOR. 1292c1225b52SSam Leffler */ 1293c1225b52SSam Leffler ieee80211_node_delucastkey(ni); 12948a1b9b6aSSam Leffler } 12958a1b9b6aSSam Leffler 12968a1b9b6aSSam Leffler static void 12978a1b9b6aSSam Leffler node_free(struct ieee80211_node *ni) 12988a1b9b6aSSam Leffler { 12998a1b9b6aSSam Leffler struct ieee80211com *ic = ni->ni_ic; 13008a1b9b6aSSam Leffler 1301b6108616SRui Paulo ieee80211_ratectl_node_deinit(ni); 13028a1b9b6aSSam Leffler ic->ic_node_cleanup(ni); 1303b032f27cSSam Leffler ieee80211_ies_cleanup(&ni->ni_ies); 130463092fceSSam Leffler ieee80211_psq_cleanup(&ni->ni_psq); 1305b9b53389SAdrian Chadd IEEE80211_FREE(ni, M_80211_NODE); 13061a1e1d21SSam Leffler } 13071a1e1d21SSam Leffler 1308b032f27cSSam Leffler static void 1309b032f27cSSam Leffler node_age(struct ieee80211_node *ni) 1310b032f27cSSam Leffler { 1311b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 13125d44f8c0SSam Leffler 1313b032f27cSSam Leffler /* 1314b032f27cSSam Leffler * Age frames on the power save queue. 1315b032f27cSSam Leffler */ 131663092fceSSam Leffler if (ieee80211_node_psq_age(ni) != 0 && 131763092fceSSam Leffler ni->ni_psq.psq_len == 0 && vap->iv_set_tim != NULL) 1318b032f27cSSam Leffler vap->iv_set_tim(ni, 0); 1319b032f27cSSam Leffler /* 1320b032f27cSSam Leffler * Age out HT resources (e.g. frames on the 1321b032f27cSSam Leffler * A-MPDU reorder queues). 1322b032f27cSSam Leffler */ 1323b032f27cSSam Leffler if (ni->ni_associd != 0 && (ni->ni_flags & IEEE80211_NODE_HT)) 1324b032f27cSSam Leffler ieee80211_ht_node_age(ni); 1325b032f27cSSam Leffler } 1326b032f27cSSam Leffler 132768e8e04eSSam Leffler static int8_t 13288a1b9b6aSSam Leffler node_getrssi(const struct ieee80211_node *ni) 1329d1e61976SSam Leffler { 1330b032f27cSSam Leffler uint32_t avgrssi = ni->ni_avgrssi; 1331b032f27cSSam Leffler int32_t rssi; 1332b032f27cSSam Leffler 1333b032f27cSSam Leffler if (avgrssi == IEEE80211_RSSI_DUMMY_MARKER) 1334b032f27cSSam Leffler return 0; 1335b032f27cSSam Leffler rssi = IEEE80211_RSSI_GET(avgrssi); 1336b032f27cSSam Leffler return rssi < 0 ? 0 : rssi > 127 ? 127 : rssi; 1337d1e61976SSam Leffler } 1338d1e61976SSam Leffler 13391a1e1d21SSam Leffler static void 134068e8e04eSSam Leffler node_getsignal(const struct ieee80211_node *ni, int8_t *rssi, int8_t *noise) 134168e8e04eSSam Leffler { 1342b032f27cSSam Leffler *rssi = node_getrssi(ni); 134368e8e04eSSam Leffler *noise = ni->ni_noise; 134468e8e04eSSam Leffler } 134568e8e04eSSam Leffler 134668e8e04eSSam Leffler static void 1347b032f27cSSam Leffler node_getmimoinfo(const struct ieee80211_node *ni, 1348b032f27cSSam Leffler struct ieee80211_mimo_info *info) 1349b032f27cSSam Leffler { 1350864ab114SAdrian Chadd int i; 1351864ab114SAdrian Chadd uint32_t avgrssi; 1352864ab114SAdrian Chadd int32_t rssi; 1353864ab114SAdrian Chadd 1354864ab114SAdrian Chadd bzero(info, sizeof(*info)); 1355864ab114SAdrian Chadd 1356617f8b10SAdrian Chadd for (i = 0; i < MIN(IEEE80211_MAX_CHAINS, ni->ni_mimo_chains); i++) { 1357617f8b10SAdrian Chadd /* Note: for now, just pri20 channel info */ 1358864ab114SAdrian Chadd avgrssi = ni->ni_mimo_rssi_ctl[i]; 1359864ab114SAdrian Chadd if (avgrssi == IEEE80211_RSSI_DUMMY_MARKER) { 1360617f8b10SAdrian Chadd info->ch[i].rssi[0] = 0; 1361864ab114SAdrian Chadd } else { 1362864ab114SAdrian Chadd rssi = IEEE80211_RSSI_GET(avgrssi); 1363617f8b10SAdrian Chadd info->ch[i].rssi[0] = rssi < 0 ? 0 : rssi > 127 ? 127 : rssi; 1364864ab114SAdrian Chadd } 1365617f8b10SAdrian Chadd info->ch[i].noise[0] = ni->ni_mimo_noise_ctl[i]; 136688e428c6SAdrian Chadd } 1367864ab114SAdrian Chadd 136888e428c6SAdrian Chadd /* XXX ext radios? */ 1369864ab114SAdrian Chadd 1370864ab114SAdrian Chadd /* XXX EVM? */ 1371b032f27cSSam Leffler } 1372b032f27cSSam Leffler 1373d2e877f0SAndriy Voskoboinyk static void 1374d2e877f0SAndriy Voskoboinyk ieee80211_add_node_nt(struct ieee80211_node_table *nt, 1375d2e877f0SAndriy Voskoboinyk struct ieee80211_node *ni) 1376d2e877f0SAndriy Voskoboinyk { 1377d2e877f0SAndriy Voskoboinyk struct ieee80211com *ic = nt->nt_ic; 1378d2e877f0SAndriy Voskoboinyk int hash; 1379d2e877f0SAndriy Voskoboinyk 1380d2e877f0SAndriy Voskoboinyk IEEE80211_NODE_LOCK_ASSERT(nt); 1381d2e877f0SAndriy Voskoboinyk 1382d2e877f0SAndriy Voskoboinyk hash = IEEE80211_NODE_HASH(ic, ni->ni_macaddr); 1383d2e877f0SAndriy Voskoboinyk (void) ic; /* XXX IEEE80211_NODE_HASH */ 1384d2e877f0SAndriy Voskoboinyk TAILQ_INSERT_TAIL(&nt->nt_node, ni, ni_list); 1385d2e877f0SAndriy Voskoboinyk LIST_INSERT_HEAD(&nt->nt_hash[hash], ni, ni_hash); 1386d2e877f0SAndriy Voskoboinyk nt->nt_count++; 1387d2e877f0SAndriy Voskoboinyk ni->ni_table = nt; 1388d2e877f0SAndriy Voskoboinyk } 1389d2e877f0SAndriy Voskoboinyk 1390d2e877f0SAndriy Voskoboinyk static void 1391d2e877f0SAndriy Voskoboinyk ieee80211_del_node_nt(struct ieee80211_node_table *nt, 1392d2e877f0SAndriy Voskoboinyk struct ieee80211_node *ni) 1393d2e877f0SAndriy Voskoboinyk { 1394d2e877f0SAndriy Voskoboinyk 1395d2e877f0SAndriy Voskoboinyk IEEE80211_NODE_LOCK_ASSERT(nt); 1396d2e877f0SAndriy Voskoboinyk 1397d2e877f0SAndriy Voskoboinyk TAILQ_REMOVE(&nt->nt_node, ni, ni_list); 1398d2e877f0SAndriy Voskoboinyk LIST_REMOVE(ni, ni_hash); 1399d2e877f0SAndriy Voskoboinyk nt->nt_count--; 1400d2e877f0SAndriy Voskoboinyk KASSERT(nt->nt_count >= 0, 1401d2e877f0SAndriy Voskoboinyk ("nt_count is negative (%d)!\n", nt->nt_count)); 1402d2e877f0SAndriy Voskoboinyk ni->ni_table = NULL; 1403d2e877f0SAndriy Voskoboinyk } 1404d2e877f0SAndriy Voskoboinyk 1405db195a52SBjoern A. Zeeb static struct ieee80211_node * 1406b032f27cSSam Leffler ieee80211_alloc_node(struct ieee80211_node_table *nt, 14073a11944bSBjoern A. Zeeb struct ieee80211vap *vap, const uint8_t macaddr[IEEE80211_ADDR_LEN], 14083a11944bSBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 14091a1e1d21SSam Leffler { 14108a1b9b6aSSam Leffler struct ieee80211com *ic = nt->nt_ic; 1411b032f27cSSam Leffler struct ieee80211_node *ni; 14121a1e1d21SSam Leffler 141338c208f8SSam Leffler ni = ic->ic_node_alloc(vap, macaddr); 1414b032f27cSSam Leffler if (ni == NULL) { 1415b032f27cSSam Leffler vap->iv_stats.is_rx_nodealloc++; 1416b032f27cSSam Leffler return NULL; 1417b032f27cSSam Leffler } 1418b032f27cSSam Leffler 1419b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, 142049a15236SSam Leffler "%s %p<%s> in %s table\n", __func__, ni, 14218a1b9b6aSSam Leffler ether_sprintf(macaddr), nt->nt_name); 14228a1b9b6aSSam Leffler 14231a1e1d21SSam Leffler IEEE80211_ADDR_COPY(ni->ni_macaddr, macaddr); 14248a1b9b6aSSam Leffler ieee80211_node_initref(ni); /* mark referenced */ 14253a11944bSBjoern A. Zeeb #ifdef IEEE80211_DEBUG_REFCNT 14263a11944bSBjoern A. Zeeb IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, 14273a11944bSBjoern A. Zeeb "%s (%s:%u) %p<%s> refcnt %d\n", __func__, func, line, ni, 14283a11944bSBjoern A. Zeeb ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)); 14293a11944bSBjoern A. Zeeb #endif 14308a1b9b6aSSam Leffler ni->ni_chan = IEEE80211_CHAN_ANYC; 14318a1b9b6aSSam Leffler ni->ni_authmode = IEEE80211_AUTH_OPEN; 14328a1b9b6aSSam Leffler ni->ni_txpower = ic->ic_txpowlimit; /* max power */ 143301a03542SSam Leffler ni->ni_txparms = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1434b032f27cSSam Leffler ieee80211_crypto_resetkey(vap, &ni->ni_ucastkey, IEEE80211_KEYIX_NONE); 1435b032f27cSSam Leffler ni->ni_avgrssi = IEEE80211_RSSI_DUMMY_MARKER; 14362045f699SSam Leffler ni->ni_inact_reload = nt->nt_inact_init; 14372045f699SSam Leffler ni->ni_inact = ni->ni_inact_reload; 143868e8e04eSSam Leffler ni->ni_ath_defkeyix = 0x7fff; 143963092fceSSam Leffler ieee80211_psq_init(&ni->ni_psq, "unknown"); 144059aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 144159aa14a9SRui Paulo if (vap->iv_opmode == IEEE80211_M_MBSS) 144259aa14a9SRui Paulo ieee80211_mesh_node_init(vap, ni); 144359aa14a9SRui Paulo #endif 14448a1b9b6aSSam Leffler IEEE80211_NODE_LOCK(nt); 1445d2e877f0SAndriy Voskoboinyk ieee80211_add_node_nt(nt, ni); 1446b032f27cSSam Leffler ni->ni_vap = vap; 14478a1b9b6aSSam Leffler ni->ni_ic = ic; 14488a1b9b6aSSam Leffler IEEE80211_NODE_UNLOCK(nt); 14491a1e1d21SSam Leffler 1450ea3d5fd9SAdrian Chadd /* handle failure; free node state */ 1451ea3d5fd9SAdrian Chadd if (ic->ic_node_init(ni) != 0) { 1452ea3d5fd9SAdrian Chadd vap->iv_stats.is_rx_nodealloc++; 1453ea3d5fd9SAdrian Chadd ieee80211_psq_cleanup(&ni->ni_psq); 1454ea3d5fd9SAdrian Chadd ieee80211_ratectl_node_deinit(ni); 14554a8e4d15SBjoern A. Zeeb __ieee80211_free_node(ni); 1456ea3d5fd9SAdrian Chadd return NULL; 1457ea3d5fd9SAdrian Chadd } 1458ea3d5fd9SAdrian Chadd 1459be1054edSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_INACT, ni, 1460be1054edSSam Leffler "%s: inact_reload %u", __func__, ni->ni_inact_reload); 1461be1054edSSam Leffler 14621a1e1d21SSam Leffler return ni; 14631a1e1d21SSam Leffler } 14641a1e1d21SSam Leffler 146597c973adSSam Leffler /* 146697c973adSSam Leffler * Craft a temporary node suitable for sending a management frame 146797c973adSSam Leffler * to the specified station. We craft only as much state as we 146897c973adSSam Leffler * need to do the work since the node will be immediately reclaimed 146997c973adSSam Leffler * once the send completes. 147097c973adSSam Leffler */ 147197c973adSSam Leffler struct ieee80211_node * 1472b032f27cSSam Leffler ieee80211_tmp_node(struct ieee80211vap *vap, 1473b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 147497c973adSSam Leffler { 1475b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 147697c973adSSam Leffler struct ieee80211_node *ni; 147797c973adSSam Leffler 147838c208f8SSam Leffler ni = ic->ic_node_alloc(vap, macaddr); 147997c973adSSam Leffler if (ni != NULL) { 1480b9b5f07dSSam Leffler struct ieee80211_node *bss = vap->iv_bss; 1481b9b5f07dSSam Leffler 1482b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, 148397c973adSSam Leffler "%s %p<%s>\n", __func__, ni, ether_sprintf(macaddr)); 148497c973adSSam Leffler 1485b032f27cSSam Leffler ni->ni_table = NULL; /* NB: pedantic */ 1486b032f27cSSam Leffler ni->ni_ic = ic; /* NB: needed to set channel */ 1487b032f27cSSam Leffler ni->ni_vap = vap; 1488b032f27cSSam Leffler 148997c973adSSam Leffler IEEE80211_ADDR_COPY(ni->ni_macaddr, macaddr); 1490b9b5f07dSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, bss->ni_bssid); 149197c973adSSam Leffler ieee80211_node_initref(ni); /* mark referenced */ 14923a11944bSBjoern A. Zeeb #ifdef IEEE80211_DEBUG_REFCNT 14933a11944bSBjoern A. Zeeb /* Only one caller so we skip func/line passing into the func. */ 14943a11944bSBjoern A. Zeeb IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, 14953a11944bSBjoern A. Zeeb "%s (%s:%u) %p<%s> refcnt %d\n", __func__, "", -1, ni, 14963a11944bSBjoern A. Zeeb ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)); 14973a11944bSBjoern A. Zeeb #endif 149897c973adSSam Leffler /* NB: required by ieee80211_fix_rate */ 1499b9b5f07dSSam Leffler ieee80211_node_set_chan(ni, bss->ni_chan); 1500b032f27cSSam Leffler ieee80211_crypto_resetkey(vap, &ni->ni_ucastkey, 150197c973adSSam Leffler IEEE80211_KEYIX_NONE); 1502b9b5f07dSSam Leffler ni->ni_txpower = bss->ni_txpower; 150397c973adSSam Leffler /* XXX optimize away */ 150463092fceSSam Leffler ieee80211_psq_init(&ni->ni_psq, "unknown"); 1505bd56e71bSBernhard Schmidt 1506bd56e71bSBernhard Schmidt ieee80211_ratectl_node_init(ni); 1507ea3d5fd9SAdrian Chadd 1508ea3d5fd9SAdrian Chadd /* handle failure; free node state */ 1509ea3d5fd9SAdrian Chadd if (ic->ic_node_init(ni) != 0) { 1510ea3d5fd9SAdrian Chadd vap->iv_stats.is_rx_nodealloc++; 1511ea3d5fd9SAdrian Chadd ieee80211_psq_cleanup(&ni->ni_psq); 1512ea3d5fd9SAdrian Chadd ieee80211_ratectl_node_deinit(ni); 15134a8e4d15SBjoern A. Zeeb __ieee80211_free_node(ni); 1514ea3d5fd9SAdrian Chadd return NULL; 1515ea3d5fd9SAdrian Chadd } 1516ea3d5fd9SAdrian Chadd 151797c973adSSam Leffler } else { 151897c973adSSam Leffler /* XXX msg */ 1519b032f27cSSam Leffler vap->iv_stats.is_rx_nodealloc++; 152097c973adSSam Leffler } 152197c973adSSam Leffler return ni; 152297c973adSSam Leffler } 152397c973adSSam Leffler 15241a1e1d21SSam Leffler struct ieee80211_node * 1525b032f27cSSam Leffler ieee80211_dup_bss(struct ieee80211vap *vap, 1526b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 15271a1e1d21SSam Leffler { 1528b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 15298a1b9b6aSSam Leffler struct ieee80211_node *ni; 15308a1b9b6aSSam Leffler 15313a11944bSBjoern A. Zeeb ni = ieee80211_alloc_node(&ic->ic_sta, vap, macaddr, __func__, __LINE__); 15321a1e1d21SSam Leffler if (ni != NULL) { 1533b9b5f07dSSam Leffler struct ieee80211_node *bss = vap->iv_bss; 1534694dca64SSam Leffler /* 1535b032f27cSSam Leffler * Inherit from iv_bss. 1536694dca64SSam Leffler */ 1537b9b5f07dSSam Leffler copy_bss(ni, bss); 1538b9b5f07dSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, bss->ni_bssid); 1539b9b5f07dSSam Leffler ieee80211_node_set_chan(ni, bss->ni_chan); 1540b032f27cSSam Leffler } 15411a1e1d21SSam Leffler return ni; 15421a1e1d21SSam Leffler } 15431a1e1d21SSam Leffler 1544b032f27cSSam Leffler /* 1545b032f27cSSam Leffler * Create a bss node for a legacy WDS vap. The far end does 1546b032f27cSSam Leffler * not associate so we just create create a new node and 1547b032f27cSSam Leffler * simulate an association. The caller is responsible for 1548b032f27cSSam Leffler * installing the node as the bss node and handling any further 1549b032f27cSSam Leffler * setup work like authorizing the port. 1550b032f27cSSam Leffler */ 1551b032f27cSSam Leffler struct ieee80211_node * 1552b032f27cSSam Leffler ieee80211_node_create_wds(struct ieee80211vap *vap, 1553b032f27cSSam Leffler const uint8_t bssid[IEEE80211_ADDR_LEN], struct ieee80211_channel *chan) 1554b032f27cSSam Leffler { 1555b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1556b032f27cSSam Leffler struct ieee80211_node *ni; 1557b032f27cSSam Leffler 1558b032f27cSSam Leffler /* XXX check if node already in sta table? */ 15593a11944bSBjoern A. Zeeb ni = ieee80211_alloc_node(&ic->ic_sta, vap, bssid, __func__, __LINE__); 1560b032f27cSSam Leffler if (ni != NULL) { 1561b032f27cSSam Leffler ni->ni_wdsvap = vap; 1562b032f27cSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, bssid); 1563b032f27cSSam Leffler /* 1564b032f27cSSam Leffler * Inherit any manually configured settings. 1565b032f27cSSam Leffler */ 1566b9b5f07dSSam Leffler copy_bss(ni, vap->iv_bss); 1567b032f27cSSam Leffler ieee80211_node_set_chan(ni, chan); 1568b032f27cSSam Leffler /* NB: propagate ssid so available to WPA supplicant */ 1569b032f27cSSam Leffler ni->ni_esslen = vap->iv_des_ssid[0].len; 1570b032f27cSSam Leffler memcpy(ni->ni_essid, vap->iv_des_ssid[0].ssid, ni->ni_esslen); 1571b032f27cSSam Leffler /* NB: no associd for peer */ 1572b032f27cSSam Leffler /* 1573b032f27cSSam Leffler * There are no management frames to use to 1574b032f27cSSam Leffler * discover neighbor capabilities, so blindly 1575b032f27cSSam Leffler * propagate the local configuration. 1576b032f27cSSam Leffler */ 1577b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_WME) 1578b032f27cSSam Leffler ni->ni_flags |= IEEE80211_NODE_QOS; 1579616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 1580b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_FF) 1581b032f27cSSam Leffler ni->ni_flags |= IEEE80211_NODE_FF; 1582616190d0SSam Leffler #endif 158351172f62SAdrian Chadd /* XXX VHT */ 1584b032f27cSSam Leffler if ((ic->ic_htcaps & IEEE80211_HTC_HT) && 15852bfc8a91SSam Leffler (vap->iv_flags_ht & IEEE80211_FHT_HT)) { 1586b032f27cSSam Leffler /* 1587b032f27cSSam Leffler * Device is HT-capable and HT is enabled for 1588b032f27cSSam Leffler * the vap; setup HT operation. On return 1589b032f27cSSam Leffler * ni_chan will be adjusted to an HT channel. 1590b032f27cSSam Leffler */ 1591b032f27cSSam Leffler ieee80211_ht_wds_init(ni); 1592ef48d4faSBjoern A. Zeeb if (vap->iv_vht_flags & IEEE80211_FVHT_VHT) { 159351172f62SAdrian Chadd printf("%s: TODO: vht_wds_init\n", __func__); 159451172f62SAdrian Chadd } 1595b032f27cSSam Leffler } else { 1596b032f27cSSam Leffler struct ieee80211_channel *c = ni->ni_chan; 1597b032f27cSSam Leffler /* 1598b032f27cSSam Leffler * Force a legacy channel to be used. 1599b032f27cSSam Leffler */ 1600b032f27cSSam Leffler c = ieee80211_find_channel(ic, 1601b032f27cSSam Leffler c->ic_freq, c->ic_flags &~ IEEE80211_CHAN_HT); 1602b032f27cSSam Leffler KASSERT(c != NULL, ("no legacy channel, %u/%x", 1603b032f27cSSam Leffler ni->ni_chan->ic_freq, ni->ni_chan->ic_flags)); 1604b032f27cSSam Leffler ni->ni_chan = c; 1605b032f27cSSam Leffler } 1606b032f27cSSam Leffler } 1607b032f27cSSam Leffler return ni; 1608b032f27cSSam Leffler } 1609b032f27cSSam Leffler 1610b032f27cSSam Leffler struct ieee80211_node * 16114a8e4d15SBjoern A. Zeeb _ieee80211_find_node_locked(struct ieee80211_node_table *nt, 16124a8e4d15SBjoern A. Zeeb const uint8_t macaddr[IEEE80211_ADDR_LEN], 16134a8e4d15SBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 16141a1e1d21SSam Leffler { 16151a1e1d21SSam Leffler struct ieee80211_node *ni; 16161a1e1d21SSam Leffler int hash; 16171a1e1d21SSam Leffler 16188a1b9b6aSSam Leffler IEEE80211_NODE_LOCK_ASSERT(nt); 1619750d6d0cSSam Leffler 162059aa14a9SRui Paulo hash = IEEE80211_NODE_HASH(nt->nt_ic, macaddr); 16218a1b9b6aSSam Leffler LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) { 16221a1e1d21SSam Leffler if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) { 16238a1b9b6aSSam Leffler ieee80211_ref_node(ni); /* mark referenced */ 16248a1b9b6aSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 1625b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 162649a15236SSam Leffler "%s (%s:%u) %p<%s> refcnt %d\n", __func__, 162749a15236SSam Leffler func, line, 162849a15236SSam Leffler ni, ether_sprintf(ni->ni_macaddr), 16298a1b9b6aSSam Leffler ieee80211_node_refcnt(ni)); 16308a1b9b6aSSam Leffler #endif 1631750d6d0cSSam Leffler return ni; 16321a1e1d21SSam Leffler } 16331a1e1d21SSam Leffler } 1634750d6d0cSSam Leffler return NULL; 1635750d6d0cSSam Leffler } 1636750d6d0cSSam Leffler 1637750d6d0cSSam Leffler struct ieee80211_node * 16384a8e4d15SBjoern A. Zeeb _ieee80211_find_node(struct ieee80211_node_table *nt, 16394a8e4d15SBjoern A. Zeeb const uint8_t macaddr[IEEE80211_ADDR_LEN], 16404a8e4d15SBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 1641750d6d0cSSam Leffler { 1642750d6d0cSSam Leffler struct ieee80211_node *ni; 1643750d6d0cSSam Leffler 16448a1b9b6aSSam Leffler IEEE80211_NODE_LOCK(nt); 16454a8e4d15SBjoern A. Zeeb ni = _ieee80211_find_node_locked(nt, macaddr, func, line); 1646b032f27cSSam Leffler IEEE80211_NODE_UNLOCK(nt); 1647b032f27cSSam Leffler return ni; 1648b032f27cSSam Leffler } 1649b032f27cSSam Leffler 1650b032f27cSSam Leffler struct ieee80211_node * 16514a8e4d15SBjoern A. Zeeb _ieee80211_find_vap_node_locked(struct ieee80211_node_table *nt, 16524a8e4d15SBjoern A. Zeeb const struct ieee80211vap *vap, const uint8_t macaddr[IEEE80211_ADDR_LEN], 16534a8e4d15SBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 1654b032f27cSSam Leffler { 1655b032f27cSSam Leffler struct ieee80211_node *ni; 1656b032f27cSSam Leffler int hash; 1657b032f27cSSam Leffler 1658b032f27cSSam Leffler IEEE80211_NODE_LOCK_ASSERT(nt); 1659b032f27cSSam Leffler 166059aa14a9SRui Paulo hash = IEEE80211_NODE_HASH(nt->nt_ic, macaddr); 1661b032f27cSSam Leffler LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) { 1662b032f27cSSam Leffler if (ni->ni_vap == vap && 1663b032f27cSSam Leffler IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) { 1664b032f27cSSam Leffler ieee80211_ref_node(ni); /* mark referenced */ 1665b032f27cSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 1666b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 1667b032f27cSSam Leffler "%s (%s:%u) %p<%s> refcnt %d\n", __func__, 1668b032f27cSSam Leffler func, line, 1669b032f27cSSam Leffler ni, ether_sprintf(ni->ni_macaddr), 1670b032f27cSSam Leffler ieee80211_node_refcnt(ni)); 1671b032f27cSSam Leffler #endif 1672b032f27cSSam Leffler return ni; 1673b032f27cSSam Leffler } 1674b032f27cSSam Leffler } 1675b032f27cSSam Leffler return NULL; 1676b032f27cSSam Leffler } 1677b032f27cSSam Leffler 1678b032f27cSSam Leffler struct ieee80211_node * 16794a8e4d15SBjoern A. Zeeb _ieee80211_find_vap_node(struct ieee80211_node_table *nt, 16804a8e4d15SBjoern A. Zeeb const struct ieee80211vap *vap, const uint8_t macaddr[IEEE80211_ADDR_LEN], 16814a8e4d15SBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 1682b032f27cSSam Leffler { 1683b032f27cSSam Leffler struct ieee80211_node *ni; 1684b032f27cSSam Leffler 1685b032f27cSSam Leffler IEEE80211_NODE_LOCK(nt); 16864a8e4d15SBjoern A. Zeeb ni = _ieee80211_find_vap_node_locked(nt, vap, macaddr, func, line); 16878a1b9b6aSSam Leffler IEEE80211_NODE_UNLOCK(nt); 16881a1e1d21SSam Leffler return ni; 16891a1e1d21SSam Leffler } 16901a1e1d21SSam Leffler 16911a1e1d21SSam Leffler /* 16928a1b9b6aSSam Leffler * Fake up a node; this handles node discovery in adhoc mode. 169393e49148SGordon Bergling * Note that for the driver's benefit we treat this like 16948a1b9b6aSSam Leffler * an association so the driver has an opportunity to setup 16958a1b9b6aSSam Leffler * it's private state. 16968a1b9b6aSSam Leffler */ 16978a1b9b6aSSam Leffler struct ieee80211_node * 1698b032f27cSSam Leffler ieee80211_fakeup_adhoc_node(struct ieee80211vap *vap, 169968e8e04eSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN]) 17008a1b9b6aSSam Leffler { 17018a1b9b6aSSam Leffler struct ieee80211_node *ni; 17028a1b9b6aSSam Leffler 1703d71a1f7aSAdrian Chadd IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE | IEEE80211_MSG_ASSOC, 1704be425a0fSSam Leffler "%s: mac<%s>\n", __func__, ether_sprintf(macaddr)); 1705b032f27cSSam Leffler ni = ieee80211_dup_bss(vap, macaddr); 17068a1b9b6aSSam Leffler if (ni != NULL) { 1707b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1708b032f27cSSam Leffler 17098a1b9b6aSSam Leffler /* XXX no rate negotiation; just dup */ 1710b032f27cSSam Leffler ni->ni_rates = vap->iv_bss->ni_rates; 1711aa68c24fSSam Leffler if (ieee80211_iserp_rateset(&ni->ni_rates)) 1712aa68c24fSSam Leffler ni->ni_flags |= IEEE80211_NODE_ERP; 1713b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_AHDEMO) { 17148e292e8eSSam Leffler /* 171568e8e04eSSam Leffler * In adhoc demo mode there are no management 171668e8e04eSSam Leffler * frames to use to discover neighbor capabilities, 171768e8e04eSSam Leffler * so blindly propagate the local configuration 171868e8e04eSSam Leffler * so we can do interesting things (e.g. use 171968e8e04eSSam Leffler * WME to disable ACK's). 17208e292e8eSSam Leffler */ 1721869897d2SAdrian Chadd /* 1722869897d2SAdrian Chadd * XXX TODO: 11n? 1723869897d2SAdrian Chadd */ 1724b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_WME) 17258e292e8eSSam Leffler ni->ni_flags |= IEEE80211_NODE_QOS; 1726616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 1727b032f27cSSam Leffler if (vap->iv_flags & IEEE80211_F_FF) 172868e8e04eSSam Leffler ni->ni_flags |= IEEE80211_NODE_FF; 1729616190d0SSam Leffler #endif 17308e292e8eSSam Leffler } 1731d77148fbSSam Leffler ieee80211_node_setuptxparms(ni); 173249d2c137SBernhard Schmidt ieee80211_ratectl_node_init(ni); 1733869897d2SAdrian Chadd 1734869897d2SAdrian Chadd /* 1735869897d2SAdrian Chadd * XXX TODO: 11n? At least 20MHz, at least A-MPDU RX, 1736869897d2SAdrian Chadd * not A-MPDU TX; not 11n rates, etc. We'll cycle 1737869897d2SAdrian Chadd * that after we hear that we can indeed do 11n 1738869897d2SAdrian Chadd * (either by a beacon frame or by a probe response.) 1739869897d2SAdrian Chadd */ 1740869897d2SAdrian Chadd 1741869897d2SAdrian Chadd /* 1742869897d2SAdrian Chadd * This is the first time we see the node. 1743869897d2SAdrian Chadd */ 1744b032f27cSSam Leffler if (ic->ic_newassoc != NULL) 1745b032f27cSSam Leffler ic->ic_newassoc(ni, 1); 1746869897d2SAdrian Chadd 1747869897d2SAdrian Chadd /* 1748869897d2SAdrian Chadd * Kick off a probe request to the given node; 1749869897d2SAdrian Chadd * we will then use the probe response to update 1750869897d2SAdrian Chadd * 11n/etc configuration state. 1751869897d2SAdrian Chadd * 1752869897d2SAdrian Chadd * XXX TODO: this isn't guaranteed, and until we get 1753869897d2SAdrian Chadd * a probe response, we won't be able to actually 1754869897d2SAdrian Chadd * do anything 802.11n related to the node. 1755869897d2SAdrian Chadd * So if this does indeed work, maybe we should hold 1756869897d2SAdrian Chadd * off on sending responses until we get the probe 1757869897d2SAdrian Chadd * response, or just default to some sensible subset 1758869897d2SAdrian Chadd * of 802.11n behaviour (eg always allow aggregation 1759869897d2SAdrian Chadd * negotiation TO us, but not FROM us, etc) so we 1760869897d2SAdrian Chadd * aren't entirely busted. 1761869897d2SAdrian Chadd */ 1762869897d2SAdrian Chadd if (vap->iv_opmode == IEEE80211_M_IBSS) { 1763869897d2SAdrian Chadd ieee80211_send_probereq(ni, /* node */ 1764869897d2SAdrian Chadd vap->iv_myaddr, /* SA */ 1765869897d2SAdrian Chadd ni->ni_macaddr, /* DA */ 1766869897d2SAdrian Chadd vap->iv_bss->ni_bssid, /* BSSID */ 1767869897d2SAdrian Chadd vap->iv_bss->ni_essid, 1768869897d2SAdrian Chadd vap->iv_bss->ni_esslen); /* SSID */ 1769869897d2SAdrian Chadd } 1770869897d2SAdrian Chadd 177168e8e04eSSam Leffler /* XXX not right for 802.1x/WPA */ 177268e8e04eSSam Leffler ieee80211_node_authorize(ni); 17738a1b9b6aSSam Leffler } 17748a1b9b6aSSam Leffler return ni; 17758a1b9b6aSSam Leffler } 17768a1b9b6aSSam Leffler 1777be425a0fSSam Leffler void 1778be425a0fSSam Leffler ieee80211_init_neighbor(struct ieee80211_node *ni, 1779be425a0fSSam Leffler const struct ieee80211_frame *wh, 1780be425a0fSSam Leffler const struct ieee80211_scanparams *sp) 1781be425a0fSSam Leffler { 178251172f62SAdrian Chadd int do_ht_setup = 0, do_vht_setup = 0; 1783d71a1f7aSAdrian Chadd 1784be425a0fSSam Leffler ni->ni_esslen = sp->ssid[1]; 1785be425a0fSSam Leffler memcpy(ni->ni_essid, sp->ssid + 2, sp->ssid[1]); 1786be425a0fSSam Leffler IEEE80211_ADDR_COPY(ni->ni_bssid, wh->i_addr3); 1787be425a0fSSam Leffler memcpy(ni->ni_tstamp.data, sp->tstamp, sizeof(ni->ni_tstamp)); 1788be425a0fSSam Leffler ni->ni_intval = sp->bintval; 1789be425a0fSSam Leffler ni->ni_capinfo = sp->capinfo; 1790be425a0fSSam Leffler ni->ni_chan = ni->ni_ic->ic_curchan; 1791be425a0fSSam Leffler ni->ni_fhdwell = sp->fhdwell; 1792be425a0fSSam Leffler ni->ni_fhindex = sp->fhindex; 1793be425a0fSSam Leffler ni->ni_erp = sp->erp; 1794be425a0fSSam Leffler ni->ni_timoff = sp->timoff; 179559aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 179659aa14a9SRui Paulo if (ni->ni_vap->iv_opmode == IEEE80211_M_MBSS) 179759aa14a9SRui Paulo ieee80211_mesh_init_neighbor(ni, wh, sp); 179859aa14a9SRui Paulo #endif 1799b032f27cSSam Leffler if (ieee80211_ies_init(&ni->ni_ies, sp->ies, sp->ies_len)) { 1800b032f27cSSam Leffler ieee80211_ies_expand(&ni->ni_ies); 18019094ffdfSSam Leffler if (ni->ni_ies.wme_ie != NULL) 18029094ffdfSSam Leffler ni->ni_flags |= IEEE80211_NODE_QOS; 18039094ffdfSSam Leffler else 18049094ffdfSSam Leffler ni->ni_flags &= ~IEEE80211_NODE_QOS; 1805616190d0SSam Leffler #ifdef IEEE80211_SUPPORT_SUPERG 1806b032f27cSSam Leffler if (ni->ni_ies.ath_ie != NULL) 1807b032f27cSSam Leffler ieee80211_parse_ath(ni, ni->ni_ies.ath_ie); 1808616190d0SSam Leffler #endif 1809d71a1f7aSAdrian Chadd if (ni->ni_ies.htcap_ie != NULL) 1810d71a1f7aSAdrian Chadd ieee80211_parse_htcap(ni, ni->ni_ies.htcap_ie); 1811d71a1f7aSAdrian Chadd if (ni->ni_ies.htinfo_ie != NULL) 1812d71a1f7aSAdrian Chadd ieee80211_parse_htinfo(ni, ni->ni_ies.htinfo_ie); 1813d71a1f7aSAdrian Chadd 181451172f62SAdrian Chadd if (ni->ni_ies.vhtcap_ie != NULL) 181551172f62SAdrian Chadd ieee80211_parse_vhtcap(ni, ni->ni_ies.vhtcap_ie); 181651172f62SAdrian Chadd if (ni->ni_ies.vhtopmode_ie != NULL) 181751172f62SAdrian Chadd ieee80211_parse_vhtopmode(ni, ni->ni_ies.vhtopmode_ie); 181851172f62SAdrian Chadd 1819d71a1f7aSAdrian Chadd if ((ni->ni_ies.htcap_ie != NULL) && 1820d71a1f7aSAdrian Chadd (ni->ni_ies.htinfo_ie != NULL) && 1821d71a1f7aSAdrian Chadd (ni->ni_vap->iv_flags_ht & IEEE80211_FHT_HT)) { 1822d71a1f7aSAdrian Chadd do_ht_setup = 1; 1823d71a1f7aSAdrian Chadd } 182451172f62SAdrian Chadd 182551172f62SAdrian Chadd if ((ni->ni_ies.vhtcap_ie != NULL) && 182651172f62SAdrian Chadd (ni->ni_ies.vhtopmode_ie != NULL) && 1827ef48d4faSBjoern A. Zeeb (ni->ni_vap->iv_vht_flags & IEEE80211_FVHT_VHT)) { 182851172f62SAdrian Chadd do_vht_setup = 1; 182951172f62SAdrian Chadd } 1830b032f27cSSam Leffler } 1831be425a0fSSam Leffler 1832be425a0fSSam Leffler /* NB: must be after ni_chan is setup */ 183379edaebfSSam Leffler ieee80211_setup_rates(ni, sp->rates, sp->xrates, 183479edaebfSSam Leffler IEEE80211_F_DOSORT | IEEE80211_F_DOFRATE | 183579edaebfSSam Leffler IEEE80211_F_DONEGO | IEEE80211_F_DODEL); 1836d71a1f7aSAdrian Chadd 1837d71a1f7aSAdrian Chadd /* 1838d71a1f7aSAdrian Chadd * If the neighbor is HT compatible, flip that on. 1839d71a1f7aSAdrian Chadd */ 1840d71a1f7aSAdrian Chadd if (do_ht_setup) { 1841d71a1f7aSAdrian Chadd IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_ASSOC, 1842d71a1f7aSAdrian Chadd "%s: doing HT setup\n", __func__); 1843d71a1f7aSAdrian Chadd ieee80211_ht_node_init(ni); 1844d71a1f7aSAdrian Chadd ieee80211_ht_updateparams(ni, 1845d71a1f7aSAdrian Chadd ni->ni_ies.htcap_ie, 1846d71a1f7aSAdrian Chadd ni->ni_ies.htinfo_ie); 184751172f62SAdrian Chadd 184851172f62SAdrian Chadd if (do_vht_setup) { 184951172f62SAdrian Chadd if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) { 185051172f62SAdrian Chadd printf("%s: BSS %6D: 2GHz channel, VHT info; ignoring\n", 185151172f62SAdrian Chadd __func__, 185251172f62SAdrian Chadd ni->ni_macaddr, 185351172f62SAdrian Chadd ":"); 185451172f62SAdrian Chadd } else { 185551172f62SAdrian Chadd ieee80211_vht_node_init(ni); 185651172f62SAdrian Chadd ieee80211_vht_updateparams(ni, 185751172f62SAdrian Chadd ni->ni_ies.vhtcap_ie, 185851172f62SAdrian Chadd ni->ni_ies.vhtopmode_ie); 185951172f62SAdrian Chadd ieee80211_setup_vht_rates(ni, 186051172f62SAdrian Chadd ni->ni_ies.vhtcap_ie, 186151172f62SAdrian Chadd ni->ni_ies.vhtopmode_ie); 186251172f62SAdrian Chadd } 186351172f62SAdrian Chadd } 186451172f62SAdrian Chadd 186551172f62SAdrian Chadd /* 186651172f62SAdrian Chadd * Finally do the channel upgrade/change based 186751172f62SAdrian Chadd * on the HT/VHT configuration. 186851172f62SAdrian Chadd */ 186951172f62SAdrian Chadd ieee80211_ht_updateparams_final(ni, ni->ni_ies.htcap_ie, 187051172f62SAdrian Chadd ni->ni_ies.htinfo_ie); 1871d71a1f7aSAdrian Chadd ieee80211_setup_htrates(ni, 1872d71a1f7aSAdrian Chadd ni->ni_ies.htcap_ie, 1873d71a1f7aSAdrian Chadd IEEE80211_F_JOIN | IEEE80211_F_DOBRS); 1874d71a1f7aSAdrian Chadd ieee80211_setup_basic_htrates(ni, 1875d71a1f7aSAdrian Chadd ni->ni_ies.htinfo_ie); 187651172f62SAdrian Chadd 1877d71a1f7aSAdrian Chadd ieee80211_node_setuptxparms(ni); 1878d71a1f7aSAdrian Chadd ieee80211_ratectl_node_init(ni); 1879869897d2SAdrian Chadd 188051172f62SAdrian Chadd /* Reassociate; we're now 11n/11ac */ 1881869897d2SAdrian Chadd /* 1882869897d2SAdrian Chadd * XXX TODO: this is the wrong thing to do - 1883869897d2SAdrian Chadd * we're calling it with isnew=1 so the ath(4) 1884869897d2SAdrian Chadd * driver reinitialises the rate tables. 1885869897d2SAdrian Chadd * This "mostly" works for ath(4), but it won't 1886869897d2SAdrian Chadd * be right for firmware devices which allocate 1887869897d2SAdrian Chadd * node states. 1888869897d2SAdrian Chadd * 1889869897d2SAdrian Chadd * So, do we just create a new node and delete 1890869897d2SAdrian Chadd * the old one? Or? 1891869897d2SAdrian Chadd */ 1892869897d2SAdrian Chadd if (ni->ni_ic->ic_newassoc) 1893869897d2SAdrian Chadd ni->ni_ic->ic_newassoc(ni, 1); 1894d71a1f7aSAdrian Chadd } 1895be425a0fSSam Leffler } 1896be425a0fSSam Leffler 1897b5c99415SSam Leffler /* 1898b5c99415SSam Leffler * Do node discovery in adhoc mode on receipt of a beacon 1899b5c99415SSam Leffler * or probe response frame. Note that for the driver's 190093e49148SGordon Bergling * benefit we treat this like an association so the 1901b5c99415SSam Leffler * driver has an opportunity to setup it's private state. 1902b5c99415SSam Leffler */ 1903b5c99415SSam Leffler struct ieee80211_node * 1904b032f27cSSam Leffler ieee80211_add_neighbor(struct ieee80211vap *vap, 1905b5c99415SSam Leffler const struct ieee80211_frame *wh, 1906b5c99415SSam Leffler const struct ieee80211_scanparams *sp) 1907b5c99415SSam Leffler { 1908b5c99415SSam Leffler struct ieee80211_node *ni; 1909b5c99415SSam Leffler 1910d71a1f7aSAdrian Chadd IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC, 1911be425a0fSSam Leffler "%s: mac<%s>\n", __func__, ether_sprintf(wh->i_addr2)); 1912b032f27cSSam Leffler ni = ieee80211_dup_bss(vap, wh->i_addr2);/* XXX alloc_node? */ 1913b5c99415SSam Leffler if (ni != NULL) { 1914b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 1915b032f27cSSam Leffler 1916be425a0fSSam Leffler ieee80211_init_neighbor(ni, wh, sp); 1917aa68c24fSSam Leffler if (ieee80211_iserp_rateset(&ni->ni_rates)) 1918aa68c24fSSam Leffler ni->ni_flags |= IEEE80211_NODE_ERP; 1919d77148fbSSam Leffler ieee80211_node_setuptxparms(ni); 192049d2c137SBernhard Schmidt ieee80211_ratectl_node_init(ni); 1921b5c99415SSam Leffler if (ic->ic_newassoc != NULL) 1922b5c99415SSam Leffler ic->ic_newassoc(ni, 1); 1923b5c99415SSam Leffler /* XXX not right for 802.1x/WPA */ 1924b5c99415SSam Leffler ieee80211_node_authorize(ni); 1925b5c99415SSam Leffler } 1926b5c99415SSam Leffler return ni; 1927b5c99415SSam Leffler } 1928b5c99415SSam Leffler 1929a2cfa5b7SSam Leffler #define IS_PROBEREQ(wh) \ 1930a2cfa5b7SSam Leffler ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK|IEEE80211_FC0_SUBTYPE_MASK)) \ 1931a2cfa5b7SSam Leffler == (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_REQ)) 1932a2cfa5b7SSam Leffler #define IS_BCAST_PROBEREQ(wh) \ 1933a2cfa5b7SSam Leffler (IS_PROBEREQ(wh) && IEEE80211_IS_MULTICAST( \ 1934a2cfa5b7SSam Leffler ((const struct ieee80211_frame *)(wh))->i_addr3)) 1935a2cfa5b7SSam Leffler 1936a2cfa5b7SSam Leffler static __inline struct ieee80211_node * 1937a2cfa5b7SSam Leffler _find_rxnode(struct ieee80211_node_table *nt, 19384a8e4d15SBjoern A. Zeeb const struct ieee80211_frame_min *wh, 19394a8e4d15SBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 1940a2cfa5b7SSam Leffler { 1941a2cfa5b7SSam Leffler if (IS_BCAST_PROBEREQ(wh)) 1942a2cfa5b7SSam Leffler return NULL; /* spam bcast probe req to all vap's */ 19434a8e4d15SBjoern A. Zeeb return _ieee80211_find_node_locked(nt, wh->i_addr2, func, line); 1944a2cfa5b7SSam Leffler } 194568e8e04eSSam Leffler 19468a1b9b6aSSam Leffler /* 19478a1b9b6aSSam Leffler * Locate the node for sender, track state, and then pass the 1948a2cfa5b7SSam Leffler * (referenced) node up to the 802.11 layer for its use. Note 1949a2cfa5b7SSam Leffler * we can return NULL if the sender is not in the table. 19508a1b9b6aSSam Leffler */ 19518a1b9b6aSSam Leffler struct ieee80211_node * 19524a8e4d15SBjoern A. Zeeb _ieee80211_find_rxnode(struct ieee80211com *ic, 19534a8e4d15SBjoern A. Zeeb const struct ieee80211_frame_min *wh, 19544a8e4d15SBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 19558a1b9b6aSSam Leffler { 19568a1b9b6aSSam Leffler struct ieee80211_node_table *nt; 19578a1b9b6aSSam Leffler struct ieee80211_node *ni; 19588a1b9b6aSSam Leffler 195968e8e04eSSam Leffler nt = &ic->ic_sta; 19608a1b9b6aSSam Leffler IEEE80211_NODE_LOCK(nt); 19614a8e4d15SBjoern A. Zeeb ni = _find_rxnode(nt, wh, func, line); 19628a1b9b6aSSam Leffler IEEE80211_NODE_UNLOCK(nt); 19638a1b9b6aSSam Leffler 1964c1225b52SSam Leffler return ni; 1965c1225b52SSam Leffler } 1966c1225b52SSam Leffler 1967c1225b52SSam Leffler /* 1968c1225b52SSam Leffler * Like ieee80211_find_rxnode but use the supplied h/w 1969c1225b52SSam Leffler * key index as a hint to locate the node in the key 1970c1225b52SSam Leffler * mapping table. If an entry is present at the key 1971c1225b52SSam Leffler * index we return it; otherwise do a normal lookup and 1972c1225b52SSam Leffler * update the mapping table if the station has a unicast 1973c1225b52SSam Leffler * key assigned to it. 1974c1225b52SSam Leffler */ 1975c1225b52SSam Leffler struct ieee80211_node * 19764a8e4d15SBjoern A. Zeeb _ieee80211_find_rxnode_withkey(struct ieee80211com *ic, 1977c1225b52SSam Leffler const struct ieee80211_frame_min *wh, ieee80211_keyix keyix, 19784a8e4d15SBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 1979c1225b52SSam Leffler { 1980c1225b52SSam Leffler struct ieee80211_node_table *nt; 1981c1225b52SSam Leffler struct ieee80211_node *ni; 1982c1225b52SSam Leffler 1983c1225b52SSam Leffler nt = &ic->ic_sta; 1984c1225b52SSam Leffler IEEE80211_NODE_LOCK(nt); 1985c1225b52SSam Leffler if (nt->nt_keyixmap != NULL && keyix < nt->nt_keyixmax) 1986c1225b52SSam Leffler ni = nt->nt_keyixmap[keyix]; 1987c1225b52SSam Leffler else 1988c1225b52SSam Leffler ni = NULL; 1989c1225b52SSam Leffler if (ni == NULL) { 19904a8e4d15SBjoern A. Zeeb ni = _find_rxnode(nt, wh, func, line); 1991b032f27cSSam Leffler if (ni != NULL && nt->nt_keyixmap != NULL) { 1992c1225b52SSam Leffler /* 1993c1225b52SSam Leffler * If the station has a unicast key cache slot 1994c1225b52SSam Leffler * assigned update the key->node mapping table. 1995c1225b52SSam Leffler */ 1996c1225b52SSam Leffler keyix = ni->ni_ucastkey.wk_rxkeyix; 1997c1225b52SSam Leffler /* XXX can keyixmap[keyix] != NULL? */ 1998c1225b52SSam Leffler if (keyix < nt->nt_keyixmax && 1999c1225b52SSam Leffler nt->nt_keyixmap[keyix] == NULL) { 2000b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, 2001b032f27cSSam Leffler IEEE80211_MSG_NODE, 2002c1225b52SSam Leffler "%s: add key map entry %p<%s> refcnt %d\n", 2003c1225b52SSam Leffler __func__, ni, ether_sprintf(ni->ni_macaddr), 2004c1225b52SSam Leffler ieee80211_node_refcnt(ni)+1); 2005c1225b52SSam Leffler nt->nt_keyixmap[keyix] = ieee80211_ref_node(ni); 2006c1225b52SSam Leffler } 2007c1225b52SSam Leffler } 2008a2cfa5b7SSam Leffler } else { 2009a2cfa5b7SSam Leffler if (IS_BCAST_PROBEREQ(wh)) 2010a2cfa5b7SSam Leffler ni = NULL; /* spam bcast probe req to all vap's */ 2011a2cfa5b7SSam Leffler else 2012c1225b52SSam Leffler ieee80211_ref_node(ni); 2013a2cfa5b7SSam Leffler } 2014c1225b52SSam Leffler IEEE80211_NODE_UNLOCK(nt); 2015c1225b52SSam Leffler 2016c1225b52SSam Leffler return ni; 2017c1225b52SSam Leffler } 2018a2cfa5b7SSam Leffler #undef IS_BCAST_PROBEREQ 2019a2cfa5b7SSam Leffler #undef IS_PROBEREQ 20208a1b9b6aSSam Leffler 20218a1b9b6aSSam Leffler /* 2022750d6d0cSSam Leffler * Return a reference to the appropriate node for sending 2023750d6d0cSSam Leffler * a data frame. This handles node discovery in adhoc networks. 2024750d6d0cSSam Leffler */ 2025750d6d0cSSam Leffler struct ieee80211_node * 20264a8e4d15SBjoern A. Zeeb _ieee80211_find_txnode(struct ieee80211vap *vap, 2027b032f27cSSam Leffler const uint8_t macaddr[IEEE80211_ADDR_LEN], 20284a8e4d15SBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 2029750d6d0cSSam Leffler { 2030b032f27cSSam Leffler struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 2031750d6d0cSSam Leffler struct ieee80211_node *ni; 2032750d6d0cSSam Leffler 2033750d6d0cSSam Leffler /* 2034750d6d0cSSam Leffler * The destination address should be in the node table 2035c1225b52SSam Leffler * unless this is a multicast/broadcast frame. We can 2036c1225b52SSam Leffler * also optimize station mode operation, all frames go 2037c1225b52SSam Leffler * to the bss node. 2038750d6d0cSSam Leffler */ 2039750d6d0cSSam Leffler /* XXX can't hold lock across dup_bss 'cuz of recursive locking */ 20408a1b9b6aSSam Leffler IEEE80211_NODE_LOCK(nt); 2041b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_STA || 2042b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_WDS || 2043b032f27cSSam Leffler IEEE80211_IS_MULTICAST(macaddr)) 2044b032f27cSSam Leffler ni = ieee80211_ref_node(vap->iv_bss); 20451b999d64SSam Leffler else 20464a8e4d15SBjoern A. Zeeb ni = _ieee80211_find_node_locked(nt, macaddr, func, line); 20478a1b9b6aSSam Leffler IEEE80211_NODE_UNLOCK(nt); 20488a1b9b6aSSam Leffler 20498a1b9b6aSSam Leffler if (ni == NULL) { 2050b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_IBSS || 2051b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_AHDEMO) { 205290d0d036SSam Leffler /* 205390d0d036SSam Leffler * In adhoc mode cons up a node for the destination. 205490d0d036SSam Leffler * Note that we need an additional reference for the 2055b032f27cSSam Leffler * caller to be consistent with 2056b032f27cSSam Leffler * ieee80211_find_node_locked. 205790d0d036SSam Leffler */ 2058869897d2SAdrian Chadd /* 2059869897d2SAdrian Chadd * XXX TODO: this doesn't fake up 11n state; we need 2060869897d2SAdrian Chadd * to find another way to get it upgraded. 2061869897d2SAdrian Chadd */ 2062b032f27cSSam Leffler ni = ieee80211_fakeup_adhoc_node(vap, macaddr); 206390d0d036SSam Leffler if (ni != NULL) 206490d0d036SSam Leffler (void) ieee80211_ref_node(ni); 206590d0d036SSam Leffler } else { 2066b032f27cSSam Leffler IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_OUTPUT, macaddr, 2067b032f27cSSam Leffler "no node, discard frame (%s)", __func__); 2068b032f27cSSam Leffler vap->iv_stats.is_tx_nonode++; 2069750d6d0cSSam Leffler } 2070750d6d0cSSam Leffler } 2071750d6d0cSSam Leffler return ni; 2072750d6d0cSSam Leffler } 2073750d6d0cSSam Leffler 207421888521SBjoern A. Zeeb struct ieee80211_node * 207521888521SBjoern A. Zeeb _ieee80211_ref_node(struct ieee80211_node *ni, 207621888521SBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 207721888521SBjoern A. Zeeb { 207821888521SBjoern A. Zeeb 207921888521SBjoern A. Zeeb #ifdef IEEE80211_DEBUG_REFCNT 208021888521SBjoern A. Zeeb IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 208121888521SBjoern A. Zeeb "%s (%s:%u) %p<%s> refcnt %d\n", __func__, func, line, ni, 208221888521SBjoern A. Zeeb ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)+1); 208321888521SBjoern A. Zeeb #endif 208421888521SBjoern A. Zeeb ieee80211_node_incref(ni); 208521888521SBjoern A. Zeeb return (ni); 208621888521SBjoern A. Zeeb } 208721888521SBjoern A. Zeeb 20888a1b9b6aSSam Leffler static void 20894a8e4d15SBjoern A. Zeeb __ieee80211_free_node(struct ieee80211_node *ni) 20908a1b9b6aSSam Leffler { 20918a1b9b6aSSam Leffler struct ieee80211_node_table *nt = ni->ni_table; 20928a1b9b6aSSam Leffler 209337e9743aSSam Leffler /* 209437e9743aSSam Leffler * NB: careful about referencing the vap as it may be 209537e9743aSSam Leffler * gone if the last reference was held by a driver. 209637e9743aSSam Leffler * We know the com will always be present so it's safe 209737e9743aSSam Leffler * to use ni_ic below to reclaim resources. 209837e9743aSSam Leffler */ 209937e9743aSSam Leffler #if 0 2100b032f27cSSam Leffler IEEE80211_DPRINTF(vap, IEEE80211_MSG_NODE, 210149a15236SSam Leffler "%s %p<%s> in %s table\n", __func__, ni, 210249a15236SSam Leffler ether_sprintf(ni->ni_macaddr), 21038a1b9b6aSSam Leffler nt != NULL ? nt->nt_name : "<gone>"); 210437e9743aSSam Leffler #endif 210537e9743aSSam Leffler if (ni->ni_associd != 0) { 210637e9743aSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 2107b032f27cSSam Leffler if (vap->iv_aid_bitmap != NULL) 2108b032f27cSSam Leffler IEEE80211_AID_CLR(vap, ni->ni_associd); 210937e9743aSSam Leffler } 2110d2e877f0SAndriy Voskoboinyk if (nt != NULL) 2111d2e877f0SAndriy Voskoboinyk ieee80211_del_node_nt(nt, ni); 211237e9743aSSam Leffler ni->ni_ic->ic_node_free(ni); 21138a1b9b6aSSam Leffler } 21148a1b9b6aSSam Leffler 2115eca3b4fcSAdrian Chadd /* 2116eca3b4fcSAdrian Chadd * Clear any entry in the unicast key mapping table. 2117eca3b4fcSAdrian Chadd */ 2118eca3b4fcSAdrian Chadd static int 2119eca3b4fcSAdrian Chadd node_clear_keyixmap(struct ieee80211_node_table *nt, struct ieee80211_node *ni) 2120eca3b4fcSAdrian Chadd { 2121eca3b4fcSAdrian Chadd ieee80211_keyix keyix; 2122eca3b4fcSAdrian Chadd 2123eca3b4fcSAdrian Chadd keyix = ni->ni_ucastkey.wk_rxkeyix; 2124eca3b4fcSAdrian Chadd if (nt->nt_keyixmap != NULL && keyix < nt->nt_keyixmax && 2125eca3b4fcSAdrian Chadd nt->nt_keyixmap[keyix] == ni) { 2126eca3b4fcSAdrian Chadd IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 2127eca3b4fcSAdrian Chadd "%s: %p<%s> clear key map entry %u\n", 2128eca3b4fcSAdrian Chadd __func__, ni, ether_sprintf(ni->ni_macaddr), keyix); 2129eca3b4fcSAdrian Chadd nt->nt_keyixmap[keyix] = NULL; 2130eca3b4fcSAdrian Chadd ieee80211_node_decref(ni); 2131eca3b4fcSAdrian Chadd return 1; 2132eca3b4fcSAdrian Chadd } 2133eca3b4fcSAdrian Chadd 2134eca3b4fcSAdrian Chadd return 0; 2135eca3b4fcSAdrian Chadd } 2136eca3b4fcSAdrian Chadd 21378a1b9b6aSSam Leffler void 21384a8e4d15SBjoern A. Zeeb _ieee80211_free_node(struct ieee80211_node *ni, 21394a8e4d15SBjoern A. Zeeb const char *func __debrefcnt_used, int line __debrefcnt_used) 21408a1b9b6aSSam Leffler { 21418a1b9b6aSSam Leffler struct ieee80211_node_table *nt = ni->ni_table; 21428a1b9b6aSSam Leffler 21438a1b9b6aSSam Leffler #ifdef IEEE80211_DEBUG_REFCNT 2144b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 214549a15236SSam Leffler "%s (%s:%u) %p<%s> refcnt %d\n", __func__, func, line, ni, 21468a1b9b6aSSam Leffler ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)-1); 21478a1b9b6aSSam Leffler #endif 2148c1225b52SSam Leffler if (nt != NULL) { 2149c1225b52SSam Leffler IEEE80211_NODE_LOCK(nt); 21508a1b9b6aSSam Leffler if (ieee80211_node_dectestref(ni)) { 21518a1b9b6aSSam Leffler /* 2152c1225b52SSam Leffler * Last reference, reclaim state. 21538a1b9b6aSSam Leffler */ 21544a8e4d15SBjoern A. Zeeb __ieee80211_free_node(ni); 2155eca3b4fcSAdrian Chadd } else if (ieee80211_node_refcnt(ni) == 1) 2156eca3b4fcSAdrian Chadd if (node_clear_keyixmap(nt, ni)) 21574a8e4d15SBjoern A. Zeeb __ieee80211_free_node(ni); 2158c1225b52SSam Leffler IEEE80211_NODE_UNLOCK(nt); 2159c1225b52SSam Leffler } else { 2160c1225b52SSam Leffler if (ieee80211_node_dectestref(ni)) 21614a8e4d15SBjoern A. Zeeb __ieee80211_free_node(ni); 2162c1225b52SSam Leffler } 2163c1225b52SSam Leffler } 2164c1225b52SSam Leffler 2165c1225b52SSam Leffler /* 2166c1225b52SSam Leffler * Reclaim a unicast key and clear any key cache state. 2167c1225b52SSam Leffler */ 2168c1225b52SSam Leffler int 2169c1225b52SSam Leffler ieee80211_node_delucastkey(struct ieee80211_node *ni) 2170c1225b52SSam Leffler { 217137e9743aSSam Leffler struct ieee80211com *ic = ni->ni_ic; 217237e9743aSSam Leffler struct ieee80211_node_table *nt = &ic->ic_sta; 2173c1225b52SSam Leffler struct ieee80211_node *nikey; 2174c1225b52SSam Leffler ieee80211_keyix keyix; 2175c1225b52SSam Leffler int isowned, status; 2176c1225b52SSam Leffler 2177c1225b52SSam Leffler /* 2178c1225b52SSam Leffler * NB: We must beware of LOR here; deleting the key 2179c1225b52SSam Leffler * can cause the crypto layer to block traffic updates 2180c1225b52SSam Leffler * which can generate a LOR against the node table lock; 2181c1225b52SSam Leffler * grab it here and stash the key index for our use below. 2182c1225b52SSam Leffler * 2183c1225b52SSam Leffler * Must also beware of recursion on the node table lock. 2184c1225b52SSam Leffler * When called from node_cleanup we may already have 2185c1225b52SSam Leffler * the node table lock held. Unfortunately there's no 2186c1225b52SSam Leffler * way to separate out this path so we must do this 2187c1225b52SSam Leffler * conditionally. 2188c1225b52SSam Leffler */ 2189c1225b52SSam Leffler isowned = IEEE80211_NODE_IS_LOCKED(nt); 2190c1225b52SSam Leffler if (!isowned) 2191c1225b52SSam Leffler IEEE80211_NODE_LOCK(nt); 219237e9743aSSam Leffler nikey = NULL; 219337e9743aSSam Leffler status = 1; /* NB: success */ 2194ca92652aSSam Leffler if (ni->ni_ucastkey.wk_keyix != IEEE80211_KEYIX_NONE) { 2195c1225b52SSam Leffler keyix = ni->ni_ucastkey.wk_rxkeyix; 219637e9743aSSam Leffler status = ieee80211_crypto_delkey(ni->ni_vap, &ni->ni_ucastkey); 2197c1225b52SSam Leffler if (nt->nt_keyixmap != NULL && keyix < nt->nt_keyixmax) { 2198c1225b52SSam Leffler nikey = nt->nt_keyixmap[keyix]; 2199c2ede4b3SMartin Blapp nt->nt_keyixmap[keyix] = NULL; 220037e9743aSSam Leffler } 220137e9743aSSam Leffler } 2202c1225b52SSam Leffler if (!isowned) 2203b032f27cSSam Leffler IEEE80211_NODE_UNLOCK(nt); 2204c1225b52SSam Leffler 2205c1225b52SSam Leffler if (nikey != NULL) { 2206c1225b52SSam Leffler KASSERT(nikey == ni, 2207c1225b52SSam Leffler ("key map out of sync, ni %p nikey %p", ni, nikey)); 220837e9743aSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 2209c1225b52SSam Leffler "%s: delete key map entry %p<%s> refcnt %d\n", 2210c1225b52SSam Leffler __func__, ni, ether_sprintf(ni->ni_macaddr), 2211c1225b52SSam Leffler ieee80211_node_refcnt(ni)-1); 2212c1225b52SSam Leffler ieee80211_free_node(ni); 2213c1225b52SSam Leffler } 2214c1225b52SSam Leffler return status; 2215c1225b52SSam Leffler } 22161a1e1d21SSam Leffler 2217303ebc3cSSam Leffler /* 22188a1b9b6aSSam Leffler * Reclaim a node. If this is the last reference count then 22198a1b9b6aSSam Leffler * do the normal free work. Otherwise remove it from the node 22208a1b9b6aSSam Leffler * table and mark it gone by clearing the back-reference. 22218a1b9b6aSSam Leffler */ 22228a1b9b6aSSam Leffler static void 22238a1b9b6aSSam Leffler node_reclaim(struct ieee80211_node_table *nt, struct ieee80211_node *ni) 22248a1b9b6aSSam Leffler { 2225c1225b52SSam Leffler 2226c1225b52SSam Leffler IEEE80211_NODE_LOCK_ASSERT(nt); 22278a1b9b6aSSam Leffler 2228b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_NODE, 222949a15236SSam Leffler "%s: remove %p<%s> from %s table, refcnt %d\n", 223049a15236SSam Leffler __func__, ni, ether_sprintf(ni->ni_macaddr), 223149a15236SSam Leffler nt->nt_name, ieee80211_node_refcnt(ni)-1); 2232c1225b52SSam Leffler /* 2233c1225b52SSam Leffler * Clear any entry in the unicast key mapping table. 2234c1225b52SSam Leffler * We need to do it here so rx lookups don't find it 2235c1225b52SSam Leffler * in the mapping table even if it's not in the hash 2236c1225b52SSam Leffler * table. We cannot depend on the mapping table entry 2237c1225b52SSam Leffler * being cleared because the node may not be free'd. 2238c1225b52SSam Leffler */ 2239eca3b4fcSAdrian Chadd (void)node_clear_keyixmap(nt, ni); 22408a1b9b6aSSam Leffler if (!ieee80211_node_dectestref(ni)) { 22418a1b9b6aSSam Leffler /* 22428a1b9b6aSSam Leffler * Other references are present, just remove the 22438a1b9b6aSSam Leffler * node from the table so it cannot be found. When 22448a1b9b6aSSam Leffler * the references are dropped storage will be 2245acc4f7f5SSam Leffler * reclaimed. 22468a1b9b6aSSam Leffler */ 2247d2e877f0SAndriy Voskoboinyk ieee80211_del_node_nt(nt, ni); 22488a1b9b6aSSam Leffler } else 22494a8e4d15SBjoern A. Zeeb __ieee80211_free_node(ni); 22508a1b9b6aSSam Leffler } 22518a1b9b6aSSam Leffler 2252b032f27cSSam Leffler /* 2253b032f27cSSam Leffler * Node table support. 2254b032f27cSSam Leffler */ 2255b032f27cSSam Leffler 2256b032f27cSSam Leffler static void 2257b032f27cSSam Leffler ieee80211_node_table_init(struct ieee80211com *ic, 2258b032f27cSSam Leffler struct ieee80211_node_table *nt, 2259b032f27cSSam Leffler const char *name, int inact, int keyixmax) 2260b032f27cSSam Leffler { 2261b032f27cSSam Leffler 2262b032f27cSSam Leffler nt->nt_ic = ic; 2263c8f5794eSGleb Smirnoff IEEE80211_NODE_LOCK_INIT(nt, ic->ic_name); 2264b032f27cSSam Leffler TAILQ_INIT(&nt->nt_node); 2265d2e877f0SAndriy Voskoboinyk nt->nt_count = 0; 2266b032f27cSSam Leffler nt->nt_name = name; 2267b032f27cSSam Leffler nt->nt_inact_init = inact; 2268b032f27cSSam Leffler nt->nt_keyixmax = keyixmax; 2269b032f27cSSam Leffler if (nt->nt_keyixmax > 0) { 2270b9b53389SAdrian Chadd nt->nt_keyixmap = (struct ieee80211_node **) IEEE80211_MALLOC( 2271c5abbba3SDag-Erling Smørgrav keyixmax * sizeof(struct ieee80211_node *), 2272b9b53389SAdrian Chadd M_80211_NODE, 2273b9b53389SAdrian Chadd IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2274b032f27cSSam Leffler if (nt->nt_keyixmap == NULL) 2275c8f5794eSGleb Smirnoff ic_printf(ic, 2276b032f27cSSam Leffler "Cannot allocate key index map with %u entries\n", 2277b032f27cSSam Leffler keyixmax); 2278b032f27cSSam Leffler } else 2279b032f27cSSam Leffler nt->nt_keyixmap = NULL; 2280b032f27cSSam Leffler } 2281b032f27cSSam Leffler 2282b032f27cSSam Leffler static void 2283b032f27cSSam Leffler ieee80211_node_table_reset(struct ieee80211_node_table *nt, 2284b032f27cSSam Leffler struct ieee80211vap *match) 2285b032f27cSSam Leffler { 2286b032f27cSSam Leffler struct ieee80211_node *ni, *next; 2287b032f27cSSam Leffler 2288b032f27cSSam Leffler IEEE80211_NODE_LOCK(nt); 2289b032f27cSSam Leffler TAILQ_FOREACH_SAFE(ni, &nt->nt_node, ni_list, next) { 2290b032f27cSSam Leffler if (match != NULL && ni->ni_vap != match) 2291b032f27cSSam Leffler continue; 2292b032f27cSSam Leffler /* XXX can this happen? if so need's work */ 2293b032f27cSSam Leffler if (ni->ni_associd != 0) { 2294b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 2295b032f27cSSam Leffler 2296b032f27cSSam Leffler if (vap->iv_auth->ia_node_leave != NULL) 2297b032f27cSSam Leffler vap->iv_auth->ia_node_leave(ni); 2298b032f27cSSam Leffler if (vap->iv_aid_bitmap != NULL) 2299b032f27cSSam Leffler IEEE80211_AID_CLR(vap, ni->ni_associd); 2300b032f27cSSam Leffler } 2301b032f27cSSam Leffler ni->ni_wdsvap = NULL; /* clear reference */ 23028a1b9b6aSSam Leffler node_reclaim(nt, ni); 23038a1b9b6aSSam Leffler } 2304b032f27cSSam Leffler if (match != NULL && match->iv_opmode == IEEE80211_M_WDS) { 2305b032f27cSSam Leffler /* 2306b032f27cSSam Leffler * Make a separate pass to clear references to this vap 2307b032f27cSSam Leffler * held by DWDS entries. They will not be matched above 2308b032f27cSSam Leffler * because ni_vap will point to the ap vap but we still 2309b032f27cSSam Leffler * need to clear ni_wdsvap when the WDS vap is destroyed 2310b032f27cSSam Leffler * and/or reset. 2311b032f27cSSam Leffler */ 2312b032f27cSSam Leffler TAILQ_FOREACH_SAFE(ni, &nt->nt_node, ni_list, next) 2313b032f27cSSam Leffler if (ni->ni_wdsvap == match) 2314b032f27cSSam Leffler ni->ni_wdsvap = NULL; 2315b032f27cSSam Leffler } 2316b032f27cSSam Leffler IEEE80211_NODE_UNLOCK(nt); 2317b032f27cSSam Leffler } 2318b032f27cSSam Leffler 2319b032f27cSSam Leffler static void 2320b032f27cSSam Leffler ieee80211_node_table_cleanup(struct ieee80211_node_table *nt) 2321b032f27cSSam Leffler { 2322b032f27cSSam Leffler ieee80211_node_table_reset(nt, NULL); 2323b032f27cSSam Leffler if (nt->nt_keyixmap != NULL) { 2324b032f27cSSam Leffler #ifdef DIAGNOSTIC 2325b032f27cSSam Leffler /* XXX verify all entries are NULL */ 2326b032f27cSSam Leffler int i; 2327b032f27cSSam Leffler for (i = 0; i < nt->nt_keyixmax; i++) 2328b032f27cSSam Leffler if (nt->nt_keyixmap[i] != NULL) 2329b032f27cSSam Leffler printf("%s: %s[%u] still active\n", __func__, 2330b032f27cSSam Leffler nt->nt_name, i); 2331b032f27cSSam Leffler #endif 2332b9b53389SAdrian Chadd IEEE80211_FREE(nt->nt_keyixmap, M_80211_NODE); 2333b032f27cSSam Leffler nt->nt_keyixmap = NULL; 2334b032f27cSSam Leffler } 2335b032f27cSSam Leffler IEEE80211_NODE_LOCK_DESTROY(nt); 23368a1b9b6aSSam Leffler } 23378a1b9b6aSSam Leffler 23388a1b9b6aSSam Leffler static void 233903475bd0SAdrian Chadd timeout_stations(void *arg __unused, struct ieee80211_node *ni) 23401a1e1d21SSam Leffler { 234103475bd0SAdrian Chadd struct ieee80211com *ic = ni->ni_ic; 234203475bd0SAdrian Chadd struct ieee80211vap *vap = ni->ni_vap; 23431a1e1d21SSam Leffler 2344b032f27cSSam Leffler /* 2345b032f27cSSam Leffler * Only process stations when in RUN state. This 2346b032f27cSSam Leffler * insures, for example, that we don't timeout an 2347b032f27cSSam Leffler * inactive station during CAC. Note that CSA state 2348b032f27cSSam Leffler * is actually handled in ieee80211_node_timeout as 2349b032f27cSSam Leffler * it applies to more than timeout processing. 2350b032f27cSSam Leffler */ 2351b032f27cSSam Leffler if (vap->iv_state != IEEE80211_S_RUN) 235203475bd0SAdrian Chadd return; 235303475bd0SAdrian Chadd /* 235403475bd0SAdrian Chadd * Ignore entries for which have yet to receive an 235503475bd0SAdrian Chadd * authentication frame. These are transient and 235603475bd0SAdrian Chadd * will be reclaimed when the last reference to them 235703475bd0SAdrian Chadd * goes away (when frame xmits complete). 235803475bd0SAdrian Chadd */ 2359b032f27cSSam Leffler if ((vap->iv_opmode == IEEE80211_M_HOSTAP || 2360b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_STA) && 236144b666cdSSam Leffler (ni->ni_flags & IEEE80211_NODE_AREF) == 0) 236203475bd0SAdrian Chadd return; 2363ebdda46cSSam Leffler /* 23648a1b9b6aSSam Leffler * Free fragment if not needed anymore 23658a1b9b6aSSam Leffler * (last fragment older than 1s). 2366b032f27cSSam Leffler * XXX doesn't belong here, move to node_age 23670a915fadSSam Leffler */ 23688a1b9b6aSSam Leffler if (ni->ni_rxfrag[0] != NULL && 23698a1b9b6aSSam Leffler ticks > ni->ni_rxfragstamp + hz) { 23708a1b9b6aSSam Leffler m_freem(ni->ni_rxfrag[0]); 23718a1b9b6aSSam Leffler ni->ni_rxfrag[0] = NULL; 23728a1b9b6aSSam Leffler } 2373be1054edSSam Leffler if (ni->ni_inact > 0) { 2374c066143cSSam Leffler ni->ni_inact--; 2375be1054edSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_INACT, ni, 2376be1054edSSam Leffler "%s: inact %u inact_reload %u nrates %u", 2377be1054edSSam Leffler __func__, ni->ni_inact, ni->ni_inact_reload, 2378be1054edSSam Leffler ni->ni_rates.rs_nrates); 2379be1054edSSam Leffler } 2380ce647032SSam Leffler /* 2381ce647032SSam Leffler * Special case ourself; we may be idle for extended periods 2382ce647032SSam Leffler * of time and regardless reclaiming our state is wrong. 2383b032f27cSSam Leffler * XXX run ic_node_age 2384ce647032SSam Leffler */ 238503475bd0SAdrian Chadd /* XXX before inact decrement? */ 2386b032f27cSSam Leffler if (ni == vap->iv_bss) 238703475bd0SAdrian Chadd return; 2388b032f27cSSam Leffler if (ni->ni_associd != 0 || 2389b032f27cSSam Leffler (vap->iv_opmode == IEEE80211_M_IBSS || 2390b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_AHDEMO)) { 23918a1b9b6aSSam Leffler /* 2392b032f27cSSam Leffler * Age/drain resources held by the station. 23938a1b9b6aSSam Leffler */ 2394b032f27cSSam Leffler ic->ic_node_age(ni); 23958a1b9b6aSSam Leffler /* 23968a1b9b6aSSam Leffler * Probe the station before time it out. We 23978a1b9b6aSSam Leffler * send a null data frame which may not be 23988a1b9b6aSSam Leffler * universally supported by drivers (need it 23998a1b9b6aSSam Leffler * for ps-poll support so it should be...). 240068e8e04eSSam Leffler * 240168e8e04eSSam Leffler * XXX don't probe the station unless we've 240268e8e04eSSam Leffler * received a frame from them (and have 240368e8e04eSSam Leffler * some idea of the rates they are capable 240468e8e04eSSam Leffler * of); this will get fixed more properly 240568e8e04eSSam Leffler * soon with better handling of the rate set. 24068a1b9b6aSSam Leffler */ 2407b032f27cSSam Leffler if ((vap->iv_flags_ext & IEEE80211_FEXT_INACT) && 2408c066143cSSam Leffler (0 < ni->ni_inact && 2409b032f27cSSam Leffler ni->ni_inact <= vap->iv_inact_probe) && 241068e8e04eSSam Leffler ni->ni_rates.rs_nrates != 0) { 2411b032f27cSSam Leffler IEEE80211_NOTE(vap, 2412f66d97f6SSam Leffler IEEE80211_MSG_INACT | IEEE80211_MSG_NODE, 2413f66d97f6SSam Leffler ni, "%s", 2414f66d97f6SSam Leffler "probe station due to inactivity"); 241519ad2dd7SSam Leffler /* 241603475bd0SAdrian Chadd * Grab a reference so the node cannot 241703475bd0SAdrian Chadd * be reclaimed before we send the frame. 241803475bd0SAdrian Chadd * ieee80211_send_nulldata understands 241903475bd0SAdrian Chadd * we've done this and reclaims the 242019ad2dd7SSam Leffler * ref for us as needed. 242119ad2dd7SSam Leffler */ 242203475bd0SAdrian Chadd /* XXX fix this (not required anymore). */ 242319ad2dd7SSam Leffler ieee80211_ref_node(ni); 242403475bd0SAdrian Chadd /* XXX useless */ 2425f62121ceSSam Leffler ieee80211_send_nulldata(ni); 24268a1b9b6aSSam Leffler /* XXX stat? */ 242703475bd0SAdrian Chadd return; 24288a1b9b6aSSam Leffler } 24298a1b9b6aSSam Leffler } 2430b032f27cSSam Leffler if ((vap->iv_flags_ext & IEEE80211_FEXT_INACT) && 2431c066143cSSam Leffler ni->ni_inact <= 0) { 2432b032f27cSSam Leffler IEEE80211_NOTE(vap, 2433f66d97f6SSam Leffler IEEE80211_MSG_INACT | IEEE80211_MSG_NODE, ni, 2434f66d97f6SSam Leffler "station timed out due to inactivity " 2435f66d97f6SSam Leffler "(refcnt %u)", ieee80211_node_refcnt(ni)); 24368a1b9b6aSSam Leffler /* 24378a1b9b6aSSam Leffler * Send a deauthenticate frame and drop the station. 24388a1b9b6aSSam Leffler * This is somewhat complicated due to reference counts 24398a1b9b6aSSam Leffler * and locking. At this point a station will typically 244003475bd0SAdrian Chadd * have a reference count of 2. ieee80211_node_leave 24418a1b9b6aSSam Leffler * will do a "free" of the node which will drop the 24428a1b9b6aSSam Leffler * reference count. But in the meantime a reference 24438a1b9b6aSSam Leffler * wil be held by the deauth frame. The actual reclaim 24448a1b9b6aSSam Leffler * of the node will happen either after the tx is 24458a1b9b6aSSam Leffler * completed or by ieee80211_node_leave. 24468a1b9b6aSSam Leffler */ 24478a1b9b6aSSam Leffler if (ni->ni_associd != 0) { 2448b032f27cSSam Leffler IEEE80211_SEND_MGMT(ni, 24491a1e1d21SSam Leffler IEEE80211_FC0_SUBTYPE_DEAUTH, 24501a1e1d21SSam Leffler IEEE80211_REASON_AUTH_EXPIRE); 24518a1b9b6aSSam Leffler } 2452b032f27cSSam Leffler ieee80211_node_leave(ni); 2453b032f27cSSam Leffler vap->iv_stats.is_node_timeout++; 2454303ebc3cSSam Leffler } 24551a1e1d21SSam Leffler } 24568a1b9b6aSSam Leffler 245703475bd0SAdrian Chadd /* 245803475bd0SAdrian Chadd * Timeout inactive stations and do related housekeeping. 245903475bd0SAdrian Chadd */ 246003475bd0SAdrian Chadd static void 246103475bd0SAdrian Chadd ieee80211_timeout_stations(struct ieee80211com *ic) 246203475bd0SAdrian Chadd { 246303475bd0SAdrian Chadd struct ieee80211_node_table *nt = &ic->ic_sta; 246403475bd0SAdrian Chadd 246503475bd0SAdrian Chadd ieee80211_iterate_nodes(nt, timeout_stations, NULL); 246668e8e04eSSam Leffler } 24678a1b9b6aSSam Leffler 2468b032f27cSSam Leffler /* 2469b032f27cSSam Leffler * Aggressively reclaim resources. This should be used 2470b032f27cSSam Leffler * only in a critical situation to reclaim mbuf resources. 2471b032f27cSSam Leffler */ 2472b032f27cSSam Leffler void 2473b032f27cSSam Leffler ieee80211_drain(struct ieee80211com *ic) 2474b032f27cSSam Leffler { 2475b032f27cSSam Leffler struct ieee80211_node_table *nt = &ic->ic_sta; 2476b032f27cSSam Leffler struct ieee80211vap *vap; 2477b032f27cSSam Leffler struct ieee80211_node *ni; 2478b032f27cSSam Leffler 2479b032f27cSSam Leffler IEEE80211_NODE_LOCK(nt); 2480b032f27cSSam Leffler TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 2481b032f27cSSam Leffler /* 2482b032f27cSSam Leffler * Ignore entries for which have yet to receive an 2483b032f27cSSam Leffler * authentication frame. These are transient and 2484b032f27cSSam Leffler * will be reclaimed when the last reference to them 2485b032f27cSSam Leffler * goes away (when frame xmits complete). 2486b032f27cSSam Leffler */ 2487b032f27cSSam Leffler vap = ni->ni_vap; 2488b032f27cSSam Leffler /* 2489b032f27cSSam Leffler * Only process stations when in RUN state. This 2490b032f27cSSam Leffler * insures, for example, that we don't timeout an 2491b032f27cSSam Leffler * inactive station during CAC. Note that CSA state 2492b032f27cSSam Leffler * is actually handled in ieee80211_node_timeout as 2493b032f27cSSam Leffler * it applies to more than timeout processing. 2494b032f27cSSam Leffler */ 2495b032f27cSSam Leffler if (vap->iv_state != IEEE80211_S_RUN) 2496b032f27cSSam Leffler continue; 2497b032f27cSSam Leffler /* XXX can vap be NULL? */ 2498b032f27cSSam Leffler if ((vap->iv_opmode == IEEE80211_M_HOSTAP || 2499b032f27cSSam Leffler vap->iv_opmode == IEEE80211_M_STA) && 2500b032f27cSSam Leffler (ni->ni_flags & IEEE80211_NODE_AREF) == 0) 2501b032f27cSSam Leffler continue; 2502b032f27cSSam Leffler /* 2503b032f27cSSam Leffler * Free fragments. 2504b032f27cSSam Leffler * XXX doesn't belong here, move to node_drain 2505b032f27cSSam Leffler */ 2506b032f27cSSam Leffler if (ni->ni_rxfrag[0] != NULL) { 2507b032f27cSSam Leffler m_freem(ni->ni_rxfrag[0]); 2508b032f27cSSam Leffler ni->ni_rxfrag[0] = NULL; 2509b032f27cSSam Leffler } 2510b032f27cSSam Leffler /* 2511b032f27cSSam Leffler * Drain resources held by the station. 2512b032f27cSSam Leffler */ 2513b032f27cSSam Leffler ic->ic_node_drain(ni); 2514b032f27cSSam Leffler } 2515b032f27cSSam Leffler IEEE80211_NODE_UNLOCK(nt); 2516b032f27cSSam Leffler } 2517b032f27cSSam Leffler 2518b032f27cSSam Leffler /* 2519f1481c8dSAdrian Chadd * Per-ieee80211vap inactivity timer callback. 2520f1481c8dSAdrian Chadd */ 2521f1481c8dSAdrian Chadd static void 2522f1481c8dSAdrian Chadd ieee80211_vap_timeout(struct ieee80211vap *vap) 2523f1481c8dSAdrian Chadd { 2524f1481c8dSAdrian Chadd 2525f1481c8dSAdrian Chadd IEEE80211_LOCK_ASSERT(vap->iv_ic); 2526f1481c8dSAdrian Chadd 2527f1481c8dSAdrian Chadd ieee80211_vap_erp_timeout(vap); 2528f1481c8dSAdrian Chadd ieee80211_ht_timeout(vap); 2529f1481c8dSAdrian Chadd ieee80211_vht_timeout(vap); 2530f1481c8dSAdrian Chadd } 2531f1481c8dSAdrian Chadd 2532f1481c8dSAdrian Chadd /* 2533b032f27cSSam Leffler * Per-ieee80211com inactivity timer callback. 2534b032f27cSSam Leffler */ 253568e8e04eSSam Leffler void 253668e8e04eSSam Leffler ieee80211_node_timeout(void *arg) 253768e8e04eSSam Leffler { 253868e8e04eSSam Leffler struct ieee80211com *ic = arg; 2539f1481c8dSAdrian Chadd struct ieee80211vap *vap; 254068e8e04eSSam Leffler 2541b032f27cSSam Leffler /* 2542b032f27cSSam Leffler * Defer timeout processing if a channel switch is pending. 2543b032f27cSSam Leffler * We typically need to be mute so not doing things that 2544b032f27cSSam Leffler * might generate frames is good to handle in one place. 2545a4641f4eSPedro F. Giffuni * Suppressing the station timeout processing may extend the 2546b032f27cSSam Leffler * lifetime of inactive stations (by not decrementing their 2547b032f27cSSam Leffler * idle counters) but this should be ok unless the CSA is 2548b032f27cSSam Leffler * active for an unusually long time. 2549b032f27cSSam Leffler */ 2550b032f27cSSam Leffler if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) { 255168e8e04eSSam Leffler ieee80211_scan_timeout(ic); 2552b032f27cSSam Leffler ieee80211_timeout_stations(ic); 25535b16c28cSSam Leffler ieee80211_ageq_age(&ic->ic_stageq, IEEE80211_INACT_WAIT); 255468e8e04eSSam Leffler 2555b105a069SSam Leffler IEEE80211_LOCK(ic); 2556f1481c8dSAdrian Chadd TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) 2557f1481c8dSAdrian Chadd ieee80211_vap_timeout(vap); 2558b105a069SSam Leffler IEEE80211_UNLOCK(ic); 2559b032f27cSSam Leffler } 256068e8e04eSSam Leffler callout_reset(&ic->ic_inact, IEEE80211_INACT_WAIT*hz, 256168e8e04eSSam Leffler ieee80211_node_timeout, ic); 25621a1e1d21SSam Leffler } 25631a1e1d21SSam Leffler 25647d684b4bSAdrian Chadd /* 2565d2e877f0SAndriy Voskoboinyk * The same as ieee80211_iterate_nodes(), but for one vap only. 2566d2e877f0SAndriy Voskoboinyk */ 2567d2e877f0SAndriy Voskoboinyk int 2568d2e877f0SAndriy Voskoboinyk ieee80211_iterate_nodes_vap(struct ieee80211_node_table *nt, 2569d2e877f0SAndriy Voskoboinyk struct ieee80211vap *vap, ieee80211_iter_func *f, void *arg) 2570d2e877f0SAndriy Voskoboinyk { 2571d2e877f0SAndriy Voskoboinyk struct ieee80211_node **ni_arr; 2572d2e877f0SAndriy Voskoboinyk struct ieee80211_node *ni; 2573d2e877f0SAndriy Voskoboinyk size_t size; 2574d2e877f0SAndriy Voskoboinyk int count, i; 2575d2e877f0SAndriy Voskoboinyk 2576d2e877f0SAndriy Voskoboinyk /* 2577d2e877f0SAndriy Voskoboinyk * Iterate over the node table and save an array of ref'ed nodes. 25787d684b4bSAdrian Chadd * 25797d684b4bSAdrian Chadd * This is separated out from calling the actual node function so that 25807d684b4bSAdrian Chadd * no LORs will occur. 25817d684b4bSAdrian Chadd */ 25827d684b4bSAdrian Chadd IEEE80211_NODE_LOCK(nt); 2583d2e877f0SAndriy Voskoboinyk count = nt->nt_count; 2584d2e877f0SAndriy Voskoboinyk size = count * sizeof(struct ieee80211_node *); 2585d2e877f0SAndriy Voskoboinyk ni_arr = (struct ieee80211_node **) IEEE80211_MALLOC(size, M_80211_NODE, 2586d2e877f0SAndriy Voskoboinyk IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2587d2e877f0SAndriy Voskoboinyk if (ni_arr == NULL) { 2588d2e877f0SAndriy Voskoboinyk IEEE80211_NODE_UNLOCK(nt); 2589d2e877f0SAndriy Voskoboinyk return (ENOMEM); 25907d684b4bSAdrian Chadd } 2591d2e877f0SAndriy Voskoboinyk 2592d2e877f0SAndriy Voskoboinyk i = 0; 2593d2e877f0SAndriy Voskoboinyk TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 2594d2e877f0SAndriy Voskoboinyk if (vap != NULL && ni->ni_vap != vap) 2595d2e877f0SAndriy Voskoboinyk continue; 2596d2e877f0SAndriy Voskoboinyk KASSERT(i < count, 2597d2e877f0SAndriy Voskoboinyk ("node array overflow (vap %p, i %d, count %d)\n", 2598d2e877f0SAndriy Voskoboinyk vap, i, count)); 25997d684b4bSAdrian Chadd ni_arr[i] = ieee80211_ref_node(ni); 26007d684b4bSAdrian Chadd i++; 26017d684b4bSAdrian Chadd } 26027d684b4bSAdrian Chadd IEEE80211_NODE_UNLOCK(nt); 26037d684b4bSAdrian Chadd 2604d2e877f0SAndriy Voskoboinyk for (i = 0; i < count; i++) { 26057d684b4bSAdrian Chadd if (ni_arr[i] == NULL) /* end of the list */ 26067d684b4bSAdrian Chadd break; 26077d684b4bSAdrian Chadd (*f)(arg, ni_arr[i]); 26087d684b4bSAdrian Chadd /* ieee80211_free_node() locks by itself */ 26097d684b4bSAdrian Chadd ieee80211_free_node(ni_arr[i]); 26107d684b4bSAdrian Chadd } 26117d684b4bSAdrian Chadd 2612b9b53389SAdrian Chadd IEEE80211_FREE(ni_arr, M_80211_NODE); 2613d2e877f0SAndriy Voskoboinyk 2614d2e877f0SAndriy Voskoboinyk return (0); 2615d2e877f0SAndriy Voskoboinyk } 2616d2e877f0SAndriy Voskoboinyk 2617d2e877f0SAndriy Voskoboinyk /* 2618d2e877f0SAndriy Voskoboinyk * Just a wrapper, so we don't have to change every ieee80211_iterate_nodes() 2619d2e877f0SAndriy Voskoboinyk * reference in the source. 2620d2e877f0SAndriy Voskoboinyk */ 2621d2e877f0SAndriy Voskoboinyk void 2622d2e877f0SAndriy Voskoboinyk ieee80211_iterate_nodes(struct ieee80211_node_table *nt, 2623d2e877f0SAndriy Voskoboinyk ieee80211_iter_func *f, void *arg) 2624d2e877f0SAndriy Voskoboinyk { 2625d2e877f0SAndriy Voskoboinyk /* XXX no way to pass error to the caller. */ 2626d2e877f0SAndriy Voskoboinyk (void) ieee80211_iterate_nodes_vap(nt, NULL, f, arg); 26278a1b9b6aSSam Leffler } 26288a1b9b6aSSam Leffler 26298a1b9b6aSSam Leffler void 2630c3db9d4aSBjoern A. Zeeb ieee80211_dump_node(struct ieee80211_node_table *nt __unused, 2631c3db9d4aSBjoern A. Zeeb struct ieee80211_node *ni) 26328a1b9b6aSSam Leffler { 2633c3db9d4aSBjoern A. Zeeb printf("%p: mac %s refcnt %d\n", ni, 26348a1b9b6aSSam Leffler ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni)); 263503475bd0SAdrian Chadd printf("\tauthmode %u flags 0x%x\n", 263603475bd0SAdrian Chadd ni->ni_authmode, ni->ni_flags); 26378a1b9b6aSSam Leffler printf("\tassocid 0x%x txpower %u vlan %u\n", 26388a1b9b6aSSam Leffler ni->ni_associd, ni->ni_txpower, ni->ni_vlan); 26398a1b9b6aSSam Leffler printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n", 2640801df4a5SSam Leffler ni->ni_txseqs[IEEE80211_NONQOS_TID], 2641801df4a5SSam Leffler ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT, 2642801df4a5SSam Leffler ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK, 26438a1b9b6aSSam Leffler ni->ni_rxfragstamp); 26445463c4a4SSam Leffler printf("\trssi %d noise %d intval %u capinfo 0x%x\n", 26455463c4a4SSam Leffler node_getrssi(ni), ni->ni_noise, 264668e8e04eSSam Leffler ni->ni_intval, ni->ni_capinfo); 26478a1b9b6aSSam Leffler printf("\tbssid %s essid \"%.*s\" channel %u:0x%x\n", 26488a1b9b6aSSam Leffler ether_sprintf(ni->ni_bssid), 26498a1b9b6aSSam Leffler ni->ni_esslen, ni->ni_essid, 2650c93be307SBjoern A. Zeeb (ni->ni_chan != IEEE80211_CHAN_ANYC) ? ni->ni_chan->ic_freq : 0, 2651c93be307SBjoern A. Zeeb (ni->ni_chan != IEEE80211_CHAN_ANYC) ? ni->ni_chan->ic_flags : 0); 2652be1054edSSam Leffler printf("\tinact %u inact_reload %u txrate %u\n", 2653be1054edSSam Leffler ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate); 265468e8e04eSSam Leffler printf("\thtcap %x htparam %x htctlchan %u ht2ndchan %u\n", 265568e8e04eSSam Leffler ni->ni_htcap, ni->ni_htparam, 265668e8e04eSSam Leffler ni->ni_htctlchan, ni->ni_ht2ndchan); 265751172f62SAdrian Chadd printf("\thtopmode %x htstbc %x htchw %u\n", 265868e8e04eSSam Leffler ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw); 265951172f62SAdrian Chadd printf("\tvhtcap %x freq1 %d freq2 %d vhtbasicmcs %x\n", 266051172f62SAdrian Chadd ni->ni_vhtcap, (int) ni->ni_vht_chan1, (int) ni->ni_vht_chan2, 266151172f62SAdrian Chadd (int) ni->ni_vht_basicmcs); 266251172f62SAdrian Chadd /* XXX VHT state */ 26638a1b9b6aSSam Leffler } 26648a1b9b6aSSam Leffler 26658a1b9b6aSSam Leffler void 26668a1b9b6aSSam Leffler ieee80211_dump_nodes(struct ieee80211_node_table *nt) 26678a1b9b6aSSam Leffler { 26688a1b9b6aSSam Leffler ieee80211_iterate_nodes(nt, 26698a1b9b6aSSam Leffler (ieee80211_iter_func *) ieee80211_dump_node, nt); 26708a1b9b6aSSam Leffler } 26718a1b9b6aSSam Leffler 2672f1481c8dSAdrian Chadd /* 2673f1481c8dSAdrian Chadd * Iterate over the VAPs and update their ERP beacon IEs. 2674f1481c8dSAdrian Chadd * 2675f1481c8dSAdrian Chadd * Note this must be called from the deferred ERP update task paths. 2676f1481c8dSAdrian Chadd */ 2677f1481c8dSAdrian Chadd void 26782dc4d8dcSSam Leffler ieee80211_notify_erp_locked(struct ieee80211com *ic) 2679b105a069SSam Leffler { 2680b032f27cSSam Leffler struct ieee80211vap *vap; 2681b032f27cSSam Leffler 2682b032f27cSSam Leffler IEEE80211_LOCK_ASSERT(ic); 2683b032f27cSSam Leffler 2684b032f27cSSam Leffler TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) 2685b032f27cSSam Leffler if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2686b032f27cSSam Leffler ieee80211_beacon_notify(vap, IEEE80211_BEACON_ERP); 2687b105a069SSam Leffler } 2688b105a069SSam Leffler 26898a1b9b6aSSam Leffler /* 26908a1b9b6aSSam Leffler * Handle a station joining an 11g network. 26918a1b9b6aSSam Leffler */ 26928a1b9b6aSSam Leffler static void 2693b032f27cSSam Leffler ieee80211_node_join_11g(struct ieee80211_node *ni) 26948a1b9b6aSSam Leffler { 2695b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 2696d20ff6e6SAdrian Chadd struct ieee80211vap *vap = ni->ni_vap; 26978a1b9b6aSSam Leffler 26981b6167d2SSam Leffler IEEE80211_LOCK_ASSERT(ic); 26991b6167d2SSam Leffler 27008a1b9b6aSSam Leffler /* 27018a1b9b6aSSam Leffler * Station isn't capable of short slot time. Bump 27028a1b9b6aSSam Leffler * the count of long slot time stations and disable 27038a1b9b6aSSam Leffler * use of short slot time. Note that the actual switch 27048a1b9b6aSSam Leffler * over to long slot time use may not occur until the 27058a1b9b6aSSam Leffler * next beacon transmission (per sec. 7.3.1.4 of 11g). 27068a1b9b6aSSam Leffler */ 27078a1b9b6aSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME) == 0) { 2708f1481c8dSAdrian Chadd vap->iv_longslotsta++; 2709b032f27cSSam Leffler IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni, 2710b105a069SSam Leffler "station needs long slot time, count %d", 2711f1481c8dSAdrian Chadd vap->iv_longslotsta); 2712f1481c8dSAdrian Chadd /* 2713f1481c8dSAdrian Chadd * XXX TODO: this may need all VAPs checked! 2714f1481c8dSAdrian Chadd */ 271568e8e04eSSam Leffler if (!IEEE80211_IS_CHAN_108G(ic->ic_bsschan)) { 271668e8e04eSSam Leffler /* 271768e8e04eSSam Leffler * Don't force slot time when switched to turbo 271868e8e04eSSam Leffler * mode as non-ERP stations won't be present; this 271968e8e04eSSam Leffler * need only be done when on the normal G channel. 272068e8e04eSSam Leffler */ 2721d20ff6e6SAdrian Chadd ieee80211_vap_set_shortslottime(vap, 0); 27228a1b9b6aSSam Leffler } 272368e8e04eSSam Leffler } 27248a1b9b6aSSam Leffler /* 27258a1b9b6aSSam Leffler * If the new station is not an ERP station 27268a1b9b6aSSam Leffler * then bump the counter and enable protection 27278a1b9b6aSSam Leffler * if configured. 27288a1b9b6aSSam Leffler */ 2729b032f27cSSam Leffler if (!ieee80211_iserp_rateset(&ni->ni_rates)) { 2730f1481c8dSAdrian Chadd vap->iv_nonerpsta++; 2731b032f27cSSam Leffler IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni, 2732b105a069SSam Leffler "station is !ERP, %d non-ERP stations associated", 2733f1481c8dSAdrian Chadd vap->iv_nonerpsta); 27348a1b9b6aSSam Leffler /* 27358a1b9b6aSSam Leffler * If station does not support short preamble 27368a1b9b6aSSam Leffler * then we must enable use of Barker preamble. 27378a1b9b6aSSam Leffler */ 27388a1b9b6aSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) == 0) { 2739b032f27cSSam Leffler IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni, 2740b105a069SSam Leffler "%s", "station needs long preamble"); 2741f1481c8dSAdrian Chadd vap->iv_flags |= IEEE80211_F_USEBARKER; 2742f1481c8dSAdrian Chadd vap->iv_flags &= ~IEEE80211_F_SHPREAMBLE; 2743f1481c8dSAdrian Chadd ieee80211_vap_update_preamble(vap); 27448a1b9b6aSSam Leffler } 2745b105a069SSam Leffler /* 2746b032f27cSSam Leffler * If protection is configured and this is the first 2747b032f27cSSam Leffler * indication we should use protection, enable it. 2748b105a069SSam Leffler */ 2749f1481c8dSAdrian Chadd if (vap->iv_protmode != IEEE80211_PROT_NONE && 2750f1481c8dSAdrian Chadd vap->iv_nonerpsta == 1 && 2751f1481c8dSAdrian Chadd (vap->iv_flags_ext & IEEE80211_FEXT_NONERP_PR) == 0) { 2752b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_ASSOC, 2753b105a069SSam Leffler "%s: enable use of protection\n", __func__); 2754f1481c8dSAdrian Chadd vap->iv_flags |= IEEE80211_F_USEPROT; 2755f1481c8dSAdrian Chadd ieee80211_vap_update_erp_protmode(vap); 2756b105a069SSam Leffler } 27578a1b9b6aSSam Leffler } else 27588a1b9b6aSSam Leffler ni->ni_flags |= IEEE80211_NODE_ERP; 27598a1b9b6aSSam Leffler } 27608a1b9b6aSSam Leffler 27618a1b9b6aSSam Leffler void 2762b032f27cSSam Leffler ieee80211_node_join(struct ieee80211_node *ni, int resp) 27638a1b9b6aSSam Leffler { 2764b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 2765b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 27668a1b9b6aSSam Leffler int newassoc; 27678a1b9b6aSSam Leffler 27688a1b9b6aSSam Leffler if (ni->ni_associd == 0) { 276968e8e04eSSam Leffler uint16_t aid; 27708a1b9b6aSSam Leffler 2771b032f27cSSam Leffler KASSERT(vap->iv_aid_bitmap != NULL, ("no aid bitmap")); 27728a1b9b6aSSam Leffler /* 27738a1b9b6aSSam Leffler * It would be good to search the bitmap 27748a1b9b6aSSam Leffler * more efficiently, but this will do for now. 27758a1b9b6aSSam Leffler */ 2776b032f27cSSam Leffler for (aid = 1; aid < vap->iv_max_aid; aid++) { 2777b032f27cSSam Leffler if (!IEEE80211_AID_ISSET(vap, aid)) 27788a1b9b6aSSam Leffler break; 27798a1b9b6aSSam Leffler } 2780b032f27cSSam Leffler if (aid >= vap->iv_max_aid) { 278113f91245SSam Leffler IEEE80211_SEND_MGMT(ni, resp, IEEE80211_STATUS_TOOMANY); 2782b032f27cSSam Leffler ieee80211_node_leave(ni); 27838a1b9b6aSSam Leffler return; 27848a1b9b6aSSam Leffler } 27858a1b9b6aSSam Leffler ni->ni_associd = aid | 0xc000; 27861b6167d2SSam Leffler ni->ni_jointime = time_uptime; 2787b032f27cSSam Leffler IEEE80211_LOCK(ic); 2788b032f27cSSam Leffler IEEE80211_AID_SET(vap, ni->ni_associd); 2789b032f27cSSam Leffler vap->iv_sta_assoc++; 27901b6167d2SSam Leffler 27911b6167d2SSam Leffler if (IEEE80211_IS_CHAN_HT(ic->ic_bsschan)) 27921b6167d2SSam Leffler ieee80211_ht_node_join(ni); 279351172f62SAdrian Chadd if (IEEE80211_IS_CHAN_VHT(ic->ic_bsschan)) 279451172f62SAdrian Chadd ieee80211_vht_node_join(ni); 279568e8e04eSSam Leffler if (IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan) && 279668e8e04eSSam Leffler IEEE80211_IS_CHAN_FULL(ic->ic_bsschan)) 2797b032f27cSSam Leffler ieee80211_node_join_11g(ni); 27981b6167d2SSam Leffler IEEE80211_UNLOCK(ic); 27991b6167d2SSam Leffler 28001b6167d2SSam Leffler newassoc = 1; 28018a1b9b6aSSam Leffler } else 28028a1b9b6aSSam Leffler newassoc = 0; 28038a1b9b6aSSam Leffler 280451172f62SAdrian Chadd /* 280551172f62SAdrian Chadd * XXX VHT - should log VHT channel width, etc 280651172f62SAdrian Chadd */ 2807b032f27cSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_ASSOC | IEEE80211_MSG_DEBUG, ni, 280848f25cc3SAdrian Chadd "station associated at aid %d: %s preamble, %s slot time%s%s%s%s%s%s%s%s%s", 2809b8fcf546SSam Leffler IEEE80211_NODE_AID(ni), 2810f1481c8dSAdrian Chadd vap->iv_flags & IEEE80211_F_SHPREAMBLE ? "short" : "long", 2811d20ff6e6SAdrian Chadd vap->iv_flags & IEEE80211_F_SHSLOT ? "short" : "long", 2812f1481c8dSAdrian Chadd vap->iv_flags & IEEE80211_F_USEPROT ? ", protection" : "", 281368e8e04eSSam Leffler ni->ni_flags & IEEE80211_NODE_QOS ? ", QoS" : "", 281451172f62SAdrian Chadd /* XXX update for VHT string */ 281568e8e04eSSam Leffler ni->ni_flags & IEEE80211_NODE_HT ? 28160f52b1c4SSam Leffler (ni->ni_chw == 40 ? ", HT40" : ", HT20") : "", 28171b6167d2SSam Leffler ni->ni_flags & IEEE80211_NODE_AMPDU ? " (+AMPDU)" : "", 281847bf877bSAdrian Chadd ni->ni_flags & IEEE80211_NODE_AMSDU ? " (+AMSDU)" : "", 28198c070d69SSam Leffler ni->ni_flags & IEEE80211_NODE_MIMO_RTS ? " (+SMPS-DYN)" : 28208c070d69SSam Leffler ni->ni_flags & IEEE80211_NODE_MIMO_PS ? " (+SMPS)" : "", 282144f7a6edSSam Leffler ni->ni_flags & IEEE80211_NODE_RIFS ? " (+RIFS)" : "", 2822b032f27cSSam Leffler IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_FF) ? 282368e8e04eSSam Leffler ", fast-frames" : "", 2824b032f27cSSam Leffler IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_TURBOP) ? 282568e8e04eSSam Leffler ", turbo" : "" 2826b8fcf546SSam Leffler ); 28278a1b9b6aSSam Leffler 2828d77148fbSSam Leffler ieee80211_node_setuptxparms(ni); 282949d2c137SBernhard Schmidt ieee80211_ratectl_node_init(ni); 28308a1b9b6aSSam Leffler /* give driver a chance to setup state like ni_txrate */ 2831736b3dc3SSam Leffler if (ic->ic_newassoc != NULL) 2832e9962332SSam Leffler ic->ic_newassoc(ni, newassoc); 2833b032f27cSSam Leffler IEEE80211_SEND_MGMT(ni, resp, IEEE80211_STATUS_SUCCESS); 28348a1b9b6aSSam Leffler /* tell the authenticator about new station */ 2835b032f27cSSam Leffler if (vap->iv_auth->ia_node_join != NULL) 2836b032f27cSSam Leffler vap->iv_auth->ia_node_join(ni); 2837b032f27cSSam Leffler ieee80211_notify_node_join(ni, 2838ce8977dfSSam Leffler resp == IEEE80211_FC0_SUBTYPE_ASSOC_RESP); 28398a1b9b6aSSam Leffler } 28408a1b9b6aSSam Leffler 2841b105a069SSam Leffler static void 2842f1481c8dSAdrian Chadd disable_protection(struct ieee80211vap *vap) 2843b105a069SSam Leffler { 2844f1481c8dSAdrian Chadd struct ieee80211com *ic = vap->iv_ic; 2845b105a069SSam Leffler 2846f1481c8dSAdrian Chadd KASSERT(vap->iv_nonerpsta == 0 && 2847f1481c8dSAdrian Chadd (vap->iv_flags_ext & IEEE80211_FEXT_NONERP_PR) == 0, 2848f1481c8dSAdrian Chadd ("%d non ERP stations, flags 0x%x", vap->iv_nonerpsta, 2849f1481c8dSAdrian Chadd vap->iv_flags_ext)); 2850f1481c8dSAdrian Chadd 2851f1481c8dSAdrian Chadd vap->iv_flags &= ~IEEE80211_F_USEPROT; 2852b105a069SSam Leffler /* XXX verify mode? */ 2853b105a069SSam Leffler if (ic->ic_caps & IEEE80211_C_SHPREAMBLE) { 2854f1481c8dSAdrian Chadd vap->iv_flags |= IEEE80211_F_SHPREAMBLE; 2855f1481c8dSAdrian Chadd vap->iv_flags &= ~IEEE80211_F_USEBARKER; 2856b105a069SSam Leffler } 2857f1481c8dSAdrian Chadd ieee80211_vap_update_erp_protmode(vap); 2858f1481c8dSAdrian Chadd ieee80211_vap_update_preamble(vap); 2859b105a069SSam Leffler } 2860b105a069SSam Leffler 28618a1b9b6aSSam Leffler /* 28628a1b9b6aSSam Leffler * Handle a station leaving an 11g network. 28638a1b9b6aSSam Leffler */ 28648a1b9b6aSSam Leffler static void 2865b032f27cSSam Leffler ieee80211_node_leave_11g(struct ieee80211_node *ni) 28668a1b9b6aSSam Leffler { 2867b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 2868d20ff6e6SAdrian Chadd struct ieee80211vap *vap = ni->ni_vap; 28698a1b9b6aSSam Leffler 28701b6167d2SSam Leffler IEEE80211_LOCK_ASSERT(ic); 28711b6167d2SSam Leffler 287268e8e04eSSam Leffler KASSERT(IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan), 2873b032f27cSSam Leffler ("not in 11g, bss %u:0x%x", ic->ic_bsschan->ic_freq, 2874b032f27cSSam Leffler ic->ic_bsschan->ic_flags)); 28758a1b9b6aSSam Leffler 28768a1b9b6aSSam Leffler /* 28778a1b9b6aSSam Leffler * If a long slot station do the slot time bookkeeping. 28788a1b9b6aSSam Leffler */ 28798a1b9b6aSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME) == 0) { 2880f1481c8dSAdrian Chadd KASSERT(vap->iv_longslotsta > 0, 2881f1481c8dSAdrian Chadd ("bogus long slot station count %d", vap->iv_longslotsta)); 2882f1481c8dSAdrian Chadd vap->iv_longslotsta--; 2883b032f27cSSam Leffler IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni, 2884b105a069SSam Leffler "long slot time station leaves, count now %d", 2885f1481c8dSAdrian Chadd vap->iv_longslotsta); 2886f1481c8dSAdrian Chadd /* 2887f1481c8dSAdrian Chadd * XXX TODO: this may need all VAPs checked! 2888f1481c8dSAdrian Chadd */ 2889f1481c8dSAdrian Chadd if (vap->iv_longslotsta == 0) { 28908a1b9b6aSSam Leffler /* 28918a1b9b6aSSam Leffler * Re-enable use of short slot time if supported 28928a1b9b6aSSam Leffler * and not operating in IBSS mode (per spec). 28938a1b9b6aSSam Leffler */ 28948a1b9b6aSSam Leffler if ((ic->ic_caps & IEEE80211_C_SHSLOT) && 28958a1b9b6aSSam Leffler ic->ic_opmode != IEEE80211_M_IBSS) { 2896b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, 2897b032f27cSSam Leffler IEEE80211_MSG_ASSOC, 28988a1b9b6aSSam Leffler "%s: re-enable use of short slot time\n", 28998a1b9b6aSSam Leffler __func__); 2900d20ff6e6SAdrian Chadd ieee80211_vap_set_shortslottime(vap, 1); 29018a1b9b6aSSam Leffler } 29028a1b9b6aSSam Leffler } 29038a1b9b6aSSam Leffler } 29048a1b9b6aSSam Leffler /* 29058a1b9b6aSSam Leffler * If a non-ERP station do the protection-related bookkeeping. 29068a1b9b6aSSam Leffler */ 29078a1b9b6aSSam Leffler if ((ni->ni_flags & IEEE80211_NODE_ERP) == 0) { 2908f1481c8dSAdrian Chadd KASSERT(vap->iv_nonerpsta > 0, 2909f1481c8dSAdrian Chadd ("bogus non-ERP station count %d", vap->iv_nonerpsta)); 2910f1481c8dSAdrian Chadd vap->iv_nonerpsta--; 2911b032f27cSSam Leffler IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni, 2912f1481c8dSAdrian Chadd "non-ERP station leaves, count now %d%s", vap->iv_nonerpsta, 2913f1481c8dSAdrian Chadd (vap->iv_flags_ext & IEEE80211_FEXT_NONERP_PR) ? 2914b105a069SSam Leffler " (non-ERP sta present)" : ""); 2915f1481c8dSAdrian Chadd if (vap->iv_nonerpsta == 0 && 2916f1481c8dSAdrian Chadd (vap->iv_flags_ext & IEEE80211_FEXT_NONERP_PR) == 0) { 2917b032f27cSSam Leffler IEEE80211_DPRINTF(ni->ni_vap, IEEE80211_MSG_ASSOC, 29188a1b9b6aSSam Leffler "%s: disable use of protection\n", __func__); 2919f1481c8dSAdrian Chadd disable_protection(vap); 2920b105a069SSam Leffler } 2921b105a069SSam Leffler } 2922b105a069SSam Leffler } 2923b105a069SSam Leffler 2924b105a069SSam Leffler /* 2925b105a069SSam Leffler * Time out presence of an overlapping bss with non-ERP 2926b105a069SSam Leffler * stations. When operating in hostap mode we listen for 2927b105a069SSam Leffler * beacons from other stations and if we identify a non-ERP 2928b105a069SSam Leffler * station is present we enable protection. To identify 2929b105a069SSam Leffler * when all non-ERP stations are gone we time out this 2930b105a069SSam Leffler * condition. 2931b105a069SSam Leffler */ 2932b105a069SSam Leffler static void 2933f1481c8dSAdrian Chadd ieee80211_vap_erp_timeout(struct ieee80211vap *vap) 2934b105a069SSam Leffler { 2935b105a069SSam Leffler 2936f1481c8dSAdrian Chadd IEEE80211_LOCK_ASSERT(vap->iv_ic); 2937b105a069SSam Leffler 2938f1481c8dSAdrian Chadd if ((vap->iv_flags_ext & IEEE80211_FEXT_NONERP_PR) && 2939f1481c8dSAdrian Chadd ieee80211_time_after(ticks, vap->iv_lastnonerp + IEEE80211_NONERP_PRESENT_AGE)) { 2940f1481c8dSAdrian Chadd IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC, 2941b032f27cSSam Leffler "%s", "age out non-ERP sta present on channel"); 2942f1481c8dSAdrian Chadd vap->iv_flags_ext &= ~IEEE80211_FEXT_NONERP_PR; 2943f1481c8dSAdrian Chadd if (vap->iv_nonerpsta == 0) 2944f1481c8dSAdrian Chadd disable_protection(vap); 29458a1b9b6aSSam Leffler } 29468a1b9b6aSSam Leffler } 29478a1b9b6aSSam Leffler 29488a1b9b6aSSam Leffler /* 29498a1b9b6aSSam Leffler * Handle bookkeeping for station deauthentication/disassociation 29508a1b9b6aSSam Leffler * when operating as an ap. 29518a1b9b6aSSam Leffler */ 29528a1b9b6aSSam Leffler void 2953b032f27cSSam Leffler ieee80211_node_leave(struct ieee80211_node *ni) 29548a1b9b6aSSam Leffler { 2955b032f27cSSam Leffler struct ieee80211com *ic = ni->ni_ic; 2956b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 295744acc00dSSam Leffler struct ieee80211_node_table *nt = ni->ni_table; 29588a1b9b6aSSam Leffler 2959b032f27cSSam Leffler IEEE80211_NOTE(vap, IEEE80211_MSG_ASSOC | IEEE80211_MSG_DEBUG, ni, 2960b105a069SSam Leffler "station with aid %d leaves", IEEE80211_NODE_AID(ni)); 29618a1b9b6aSSam Leffler 2962b032f27cSSam Leffler KASSERT(vap->iv_opmode != IEEE80211_M_STA, 2963b032f27cSSam Leffler ("unexpected operating mode %u", vap->iv_opmode)); 29648a1b9b6aSSam Leffler /* 29658a1b9b6aSSam Leffler * If node wasn't previously associated all 29668a1b9b6aSSam Leffler * we need to do is reclaim the reference. 29678a1b9b6aSSam Leffler */ 29688a1b9b6aSSam Leffler /* XXX ibss mode bypasses 11g and notification */ 29698a1b9b6aSSam Leffler if (ni->ni_associd == 0) 29708a1b9b6aSSam Leffler goto done; 29718a1b9b6aSSam Leffler /* 29728a1b9b6aSSam Leffler * Tell the authenticator the station is leaving. 29738a1b9b6aSSam Leffler * Note that we must do this before yanking the 29748a1b9b6aSSam Leffler * association id as the authenticator uses the 29758a1b9b6aSSam Leffler * associd to locate it's state block. 29768a1b9b6aSSam Leffler */ 2977b032f27cSSam Leffler if (vap->iv_auth->ia_node_leave != NULL) 2978b032f27cSSam Leffler vap->iv_auth->ia_node_leave(ni); 29791b6167d2SSam Leffler 29801b6167d2SSam Leffler IEEE80211_LOCK(ic); 2981b032f27cSSam Leffler IEEE80211_AID_CLR(vap, ni->ni_associd); 2982b032f27cSSam Leffler vap->iv_sta_assoc--; 29838a1b9b6aSSam Leffler 298451172f62SAdrian Chadd if (IEEE80211_IS_CHAN_VHT(ic->ic_bsschan)) 298551172f62SAdrian Chadd ieee80211_vht_node_leave(ni); 29861b6167d2SSam Leffler if (IEEE80211_IS_CHAN_HT(ic->ic_bsschan)) 29871b6167d2SSam Leffler ieee80211_ht_node_leave(ni); 298868e8e04eSSam Leffler if (IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan) && 298968e8e04eSSam Leffler IEEE80211_IS_CHAN_FULL(ic->ic_bsschan)) 2990b032f27cSSam Leffler ieee80211_node_leave_11g(ni); 29911b6167d2SSam Leffler IEEE80211_UNLOCK(ic); 29928a1b9b6aSSam Leffler /* 29938a1b9b6aSSam Leffler * Cleanup station state. In particular clear various 29948a1b9b6aSSam Leffler * state that might otherwise be reused if the node 29958a1b9b6aSSam Leffler * is reused before the reference count goes to zero 29968a1b9b6aSSam Leffler * (and memory is reclaimed). 29978a1b9b6aSSam Leffler */ 2998b032f27cSSam Leffler ieee80211_sta_leave(ni); 29998a1b9b6aSSam Leffler done: 300044acc00dSSam Leffler /* 300144acc00dSSam Leffler * Remove the node from any table it's recorded in and 300244acc00dSSam Leffler * drop the caller's reference. Removal from the table 300344acc00dSSam Leffler * is important to insure the node is not reprocessed 300444acc00dSSam Leffler * for inactivity. 300544acc00dSSam Leffler */ 300644acc00dSSam Leffler if (nt != NULL) { 300744acc00dSSam Leffler IEEE80211_NODE_LOCK(nt); 300844acc00dSSam Leffler node_reclaim(nt, ni); 300944acc00dSSam Leffler IEEE80211_NODE_UNLOCK(nt); 301044acc00dSSam Leffler } else 30118a1b9b6aSSam Leffler ieee80211_free_node(ni); 30128a1b9b6aSSam Leffler } 30138a1b9b6aSSam Leffler 3014b032f27cSSam Leffler struct rssiinfo { 3015b032f27cSSam Leffler int rssi_samples; 3016b032f27cSSam Leffler uint32_t rssi_total; 3017b032f27cSSam Leffler }; 3018b032f27cSSam Leffler 3019b032f27cSSam Leffler static void 3020b032f27cSSam Leffler get_hostap_rssi(void *arg, struct ieee80211_node *ni) 3021b032f27cSSam Leffler { 3022b032f27cSSam Leffler struct rssiinfo *info = arg; 3023b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 3024b032f27cSSam Leffler int8_t rssi; 3025b032f27cSSam Leffler 3026b032f27cSSam Leffler /* only associated stations */ 3027b032f27cSSam Leffler if (ni->ni_associd == 0) 3028b032f27cSSam Leffler return; 3029b032f27cSSam Leffler rssi = vap->iv_ic->ic_node_getrssi(ni); 3030b032f27cSSam Leffler if (rssi != 0) { 3031b032f27cSSam Leffler info->rssi_samples++; 3032b032f27cSSam Leffler info->rssi_total += rssi; 3033b032f27cSSam Leffler } 3034b032f27cSSam Leffler } 3035b032f27cSSam Leffler 3036b032f27cSSam Leffler static void 3037b032f27cSSam Leffler get_adhoc_rssi(void *arg, struct ieee80211_node *ni) 3038b032f27cSSam Leffler { 3039b032f27cSSam Leffler struct rssiinfo *info = arg; 3040b032f27cSSam Leffler struct ieee80211vap *vap = ni->ni_vap; 3041b032f27cSSam Leffler int8_t rssi; 3042b032f27cSSam Leffler 3043b032f27cSSam Leffler /* only neighbors */ 3044b032f27cSSam Leffler /* XXX check bssid */ 3045b032f27cSSam Leffler if ((ni->ni_capinfo & IEEE80211_CAPINFO_IBSS) == 0) 3046b032f27cSSam Leffler return; 3047b032f27cSSam Leffler rssi = vap->iv_ic->ic_node_getrssi(ni); 3048b032f27cSSam Leffler if (rssi != 0) { 3049b032f27cSSam Leffler info->rssi_samples++; 3050b032f27cSSam Leffler info->rssi_total += rssi; 3051b032f27cSSam Leffler } 3052b032f27cSSam Leffler } 3053b032f27cSSam Leffler 305459aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 305559aa14a9SRui Paulo static void 305659aa14a9SRui Paulo get_mesh_rssi(void *arg, struct ieee80211_node *ni) 305759aa14a9SRui Paulo { 305859aa14a9SRui Paulo struct rssiinfo *info = arg; 305959aa14a9SRui Paulo struct ieee80211vap *vap = ni->ni_vap; 306059aa14a9SRui Paulo int8_t rssi; 306159aa14a9SRui Paulo 306259aa14a9SRui Paulo /* only neighbors that peered successfully */ 306359aa14a9SRui Paulo if (ni->ni_mlstate != IEEE80211_NODE_MESH_ESTABLISHED) 306459aa14a9SRui Paulo return; 306559aa14a9SRui Paulo rssi = vap->iv_ic->ic_node_getrssi(ni); 306659aa14a9SRui Paulo if (rssi != 0) { 306759aa14a9SRui Paulo info->rssi_samples++; 306859aa14a9SRui Paulo info->rssi_total += rssi; 306959aa14a9SRui Paulo } 307059aa14a9SRui Paulo } 307159aa14a9SRui Paulo #endif /* IEEE80211_SUPPORT_MESH */ 307259aa14a9SRui Paulo 307368e8e04eSSam Leffler int8_t 3074b032f27cSSam Leffler ieee80211_getrssi(struct ieee80211vap *vap) 30758a1b9b6aSSam Leffler { 30768a1b9b6aSSam Leffler #define NZ(x) ((x) == 0 ? 1 : (x)) 3077b032f27cSSam Leffler struct ieee80211com *ic = vap->iv_ic; 3078b032f27cSSam Leffler struct rssiinfo info; 30798a1b9b6aSSam Leffler 3080b032f27cSSam Leffler info.rssi_total = 0; 3081b032f27cSSam Leffler info.rssi_samples = 0; 3082b032f27cSSam Leffler switch (vap->iv_opmode) { 30838a1b9b6aSSam Leffler case IEEE80211_M_IBSS: /* average of all ibss neighbors */ 30848a1b9b6aSSam Leffler case IEEE80211_M_AHDEMO: /* average of all neighbors */ 30857db788c6SAndriy Voskoboinyk ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_adhoc_rssi, 30867db788c6SAndriy Voskoboinyk &info); 3087b032f27cSSam Leffler break; 30888a1b9b6aSSam Leffler case IEEE80211_M_HOSTAP: /* average of all associated stations */ 30897db788c6SAndriy Voskoboinyk ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_hostap_rssi, 30907db788c6SAndriy Voskoboinyk &info); 30918a1b9b6aSSam Leffler break; 309259aa14a9SRui Paulo #ifdef IEEE80211_SUPPORT_MESH 309359aa14a9SRui Paulo case IEEE80211_M_MBSS: /* average of all mesh neighbors */ 30947db788c6SAndriy Voskoboinyk ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_mesh_rssi, 30957db788c6SAndriy Voskoboinyk &info); 309659aa14a9SRui Paulo break; 309759aa14a9SRui Paulo #endif 30988a1b9b6aSSam Leffler case IEEE80211_M_MONITOR: /* XXX */ 30998a1b9b6aSSam Leffler case IEEE80211_M_STA: /* use stats from associated ap */ 31008a1b9b6aSSam Leffler default: 3101b032f27cSSam Leffler if (vap->iv_bss != NULL) 3102b032f27cSSam Leffler info.rssi_total = ic->ic_node_getrssi(vap->iv_bss); 3103b032f27cSSam Leffler info.rssi_samples = 1; 31048a1b9b6aSSam Leffler break; 31058a1b9b6aSSam Leffler } 3106b032f27cSSam Leffler return info.rssi_total / NZ(info.rssi_samples); 31078a1b9b6aSSam Leffler #undef NZ 31088a1b9b6aSSam Leffler } 31098a1b9b6aSSam Leffler 311068e8e04eSSam Leffler void 3111b032f27cSSam Leffler ieee80211_getsignal(struct ieee80211vap *vap, int8_t *rssi, int8_t *noise) 31128a1b9b6aSSam Leffler { 31138a1b9b6aSSam Leffler 3114b032f27cSSam Leffler if (vap->iv_bss == NULL) /* NB: shouldn't happen */ 311568e8e04eSSam Leffler return; 3116b032f27cSSam Leffler vap->iv_ic->ic_node_getsignal(vap->iv_bss, rssi, noise); 311768e8e04eSSam Leffler /* for non-station mode return avg'd rssi accounting */ 3118b032f27cSSam Leffler if (vap->iv_opmode != IEEE80211_M_STA) 3119b032f27cSSam Leffler *rssi = ieee80211_getrssi(vap); 31208a1b9b6aSSam Leffler } 3121