sys/net80211/ieee80211_node.c

95 static void ieee80211_node_table_init(struct ieee80211com *ic,
107 ieee80211_node_attach(struct ieee80211com *ic)
110 	ieee80211_ageq_init(&ic->ic_stageq, ic->ic_max_keyix * 8,
112 	ieee80211_node_table_init(ic, &ic->ic_sta, "station",
113 		IEEE80211_INACT_INIT, ic->ic_max_keyix);
114 	callout_init(&ic->ic_inact, CALLOUT_MPSAFE);
115 	callout_reset(&ic->ic_inact, IEEE80211_INACT_WAIT*hz,
116 		ieee80211_node_timeout, ic);
118 	ic->ic_node_alloc = node_alloc;
119 	ic->ic_node_free = node_free;
120 	ic->ic_node_cleanup = node_cleanup;
121 	ic->ic_node_age = node_age;
122 	ic->ic_node_drain = node_age;		/* NB: same as age */
123 	ic->ic_node_getrssi = node_getrssi;
124 	ic->ic_node_getsignal = node_getsignal;
125 	ic->ic_node_getmimoinfo = node_getmimoinfo;
131 	ic->ic_flags_ext |= IEEE80211_FEXT_INACT; /* inactivity processing */
135 ieee80211_node_detach(struct ieee80211com *ic)
138 	callout_drain(&ic->ic_inact);
139 	ieee80211_node_table_cleanup(&ic->ic_sta);
140 	ieee80211_ageq_cleanup(&ic->ic_stageq);
191 	struct ieee80211com *ic = vap->iv_ic;
193 	ieee80211_node_table_reset(&ic->ic_sta, vap);
278 	struct ieee80211com *ic = ni->ni_ic;
291 		ni->ni_htrates = *ieee80211_get_suphtrates(ic, chan);
308 	ni->ni_rates = *ieee80211_get_suprates(ic, chan);
325 	struct ieee80211com *ic = vap->iv_ic;
331 		ieee80211_chan2ieee(ic, chan));
333 	ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr);
343 	ni->ni_intval = ic->ic_bintval;
346 	if (ic->ic_phytype == IEEE80211_T_FH) {
378 	if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
379 	    ic->ic_bsschan->ic_freq != chan->ic_freq &&
380 	    IEEE80211_IS_CHAN_CACDONE(ic->ic_bsschan))
381 		ieee80211_dfs_cac_clear(ic, ic->ic_bsschan);
382 	ic->ic_bsschan = chan;
384 	ic->ic_curmode = ieee80211_chan2mode(chan);
424 	struct ieee80211com *ic = vap->iv_ic;
427 	ieee80211_node_table_reset(&ic->ic_sta, vap);
429 	ieee80211_reset_erp(ic);
431 	ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr);
437 		ni->ni_intval = ic->ic_bintval;
463 	struct ieee80211com *ic = ni->ni_ic;
466 	if (isclr(ic->ic_chan_active, ieee80211_chan2ieee(ic, ni->ni_chan)))
503 	struct ieee80211com *ic = ni->ni_ic;
508 	if (isclr(ic->ic_chan_active, ieee80211_chan2ieee(ic, ni->ni_chan)))
539 	    ieee80211_chan2ieee(ic, ni->ni_chan), fail & 0x01 ? '!' : ' ');
572 	struct ieee80211com *ic = ni->ni_ic;
594 		ic->ic_flags&IEEE80211_F_SHPREAMBLE ? "short" : "long",
595 		ic->ic_flags&IEEE80211_F_SHSLOT ? "short" : "long",
596 		ic->ic_flags&IEEE80211_F_USEPROT ? ", protection" : ""
606 gethtadjustflags(struct ieee80211com *ic)
613 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
638 ieee80211_sync_curchan(struct ieee80211com *ic)
642 	c = ieee80211_ht_adjust_channel(ic, ic->ic_curchan, gethtadjustflags(ic));
643 	if (c != ic->ic_curchan) {
644 		ic->ic_curchan = c;
645 		ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan);
646 		ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
647 		IEEE80211_UNLOCK(ic);
648 		ic->ic_set_channel(ic);
649 		ieee80211_radiotap_chan_change(ic);
650 		IEEE80211_LOCK(ic);
659 ieee80211_setupcurchan(struct ieee80211com *ic, struct ieee80211_channel *c)
661 	if (ic->ic_htcaps & IEEE80211_HTC_HT) {
662 		int flags = gethtadjustflags(ic);
670 			c = ieee80211_ht_adjust_channel(ic, c, flags);
672 	ic->ic_bsschan = ic->ic_curchan = c;
673 	ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan);
674 	ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
682 ieee80211_setcurchan(struct ieee80211com *ic, struct ieee80211_channel *c)
684 	ieee80211_setupcurchan(ic, c);
685 	ieee80211_runtask(ic, &ic->ic_chan_task);
689 ieee80211_update_chw(struct ieee80211com *ic)
692 	ieee80211_setupcurchan(ic, ic->ic_curchan);
693 	ieee80211_runtask(ic, &ic->ic_chw_task);
704 	struct ieee80211com *ic = selbs->ni_ic;
734 	ieee80211_setcurchan(ic, selbs->ni_chan);
740 	ieee80211_reset_erp(ic);
766 	struct ieee80211com *ic = vap->iv_ic;
769 	ni = ieee80211_alloc_node(&ic->ic_sta, vap, se->se_macaddr);
861 	struct ieee80211com *ic = ni->ni_ic;
863 	ic->ic_node_cleanup(ni);
989 	struct ieee80211com *ic = ni->ni_ic;
1019 	ieee80211_ageq_drain_node(&ic->ic_stageq, ni);
1068 	struct ieee80211com *ic = ni->ni_ic;
1071 	ic->ic_node_cleanup(ni);
1147 	struct ieee80211com *ic = nt->nt_ic;
1151 	ni = ic->ic_node_alloc(vap, macaddr);
1162 	hash = IEEE80211_NODE_HASH(ic, macaddr);
1166 	ni->ni_txpower = ic->ic_txpowlimit;	/* max power */
1167 	ni->ni_txparms = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
1183 	ni->ni_ic = ic;
1204 	struct ieee80211com *ic = vap->iv_ic;
1207 	ni = ic->ic_node_alloc(vap, macaddr);
1215 		ni->ni_ic = ic;			/* NB: needed to set channel */
1241 	struct ieee80211com *ic = vap->iv_ic;
1244 	ni = ieee80211_alloc_node(&ic->ic_sta, vap, macaddr);
1268 	struct ieee80211com *ic = vap->iv_ic;
1272 	ni = ieee80211_alloc_node(&ic->ic_sta, vap, bssid);
1296 		if ((ic->ic_htcaps & IEEE80211_HTC_HT) &&
1309 			c = ieee80211_find_channel(ic,
1436 		struct ieee80211com *ic = vap->iv_ic;
1459 		if (ic->ic_newassoc != NULL)
1460 			ic->ic_newassoc(ni, 1);
1553 		struct ieee80211com *ic = vap->iv_ic;
1560 		if (ic->ic_newassoc != NULL)
1561 			ic->ic_newassoc(ni, 1);
1591 ieee80211_find_rxnode_debug(struct ieee80211com *ic,
1594 ieee80211_find_rxnode(struct ieee80211com *ic,
1601 	nt = &ic->ic_sta;
1619 ieee80211_find_rxnode_withkey_debug(struct ieee80211com *ic,
1623 ieee80211_find_rxnode_withkey(struct ieee80211com *ic,
1630 	nt = &ic->ic_sta;
1803 	struct ieee80211com *ic = ni->ni_ic;
1804 	struct ieee80211_node_table *nt = &ic->ic_sta;
1900 ieee80211_node_table_init(struct ieee80211com *ic,
1904 	struct ifnet *ifp = ic->ic_ifp;
1906 	nt->nt_ic = ic;
1919 			if_printf(ic->ic_ifp,
1994 ieee80211_timeout_stations(struct ieee80211com *ic)
1996 	struct ieee80211_node_table *nt = &ic->ic_sta;
2060 			ic->ic_node_age(ni);
2139 ieee80211_drain(struct ieee80211com *ic)
2141 	struct ieee80211_node_table *nt = &ic->ic_sta;
2179 		ic->ic_node_drain(ni);
2190 	struct ieee80211com *ic = arg;
2201 	if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) {
2202 		ieee80211_scan_timeout(ic);
2203 		ieee80211_timeout_stations(ic);
2204 		ieee80211_ageq_age(&ic->ic_stageq, IEEE80211_INACT_WAIT);
2206 		IEEE80211_LOCK(ic);
2207 		ieee80211_erp_timeout(ic);
2208 		ieee80211_ht_timeout(ic);
2209 		IEEE80211_UNLOCK(ic);
2211 	callout_reset(&ic->ic_inact, IEEE80211_INACT_WAIT*hz,
2212 		ieee80211_node_timeout, ic);
2380 ieee80211_notify_erp_locked(struct ieee80211com *ic)
2384 	IEEE80211_LOCK_ASSERT(ic);
2386 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
2392 ieee80211_notify_erp(struct ieee80211com *ic)
2394 	IEEE80211_LOCK(ic);
2395 	ieee80211_notify_erp_locked(ic);
2396 	IEEE80211_UNLOCK(ic);
2405 	struct ieee80211com *ic = ni->ni_ic;
2407 	IEEE80211_LOCK_ASSERT(ic);
2417 		ic->ic_longslotsta++;
2420 		    ic->ic_longslotsta);
2422 		if (!IEEE80211_IS_CHAN_108G(ic->ic_bsschan)) {
2428 			ieee80211_set_shortslottime(ic, 0);
2437 		ic->ic_nonerpsta++;
2440 		    ic->ic_nonerpsta);
2448 			ic->ic_flags |= IEEE80211_F_USEBARKER;
2449 			ic->ic_flags &= ~IEEE80211_F_SHPREAMBLE;
2455 		if (ic->ic_protmode != IEEE80211_PROT_NONE &&
2456 		    ic->ic_nonerpsta == 1 &&
2457 		    (ic->ic_flags_ext & IEEE80211_FEXT_NONERP_PR) == 0) {
2460 			ic->ic_flags |= IEEE80211_F_USEPROT;
2461 			ieee80211_notify_erp_locked(ic);
2470 	struct ieee80211com *ic = ni->ni_ic;
2493 		IEEE80211_LOCK(ic);
2496 		ic->ic_sta_assoc++;
2498 		if (IEEE80211_IS_CHAN_HT(ic->ic_bsschan))
2500 		if (IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan) &&
2501 		    IEEE80211_IS_CHAN_FULL(ic->ic_bsschan))
2503 		IEEE80211_UNLOCK(ic);
2512 	    ic->ic_flags & IEEE80211_F_SHPREAMBLE ? "short" : "long",
2513 	    ic->ic_flags & IEEE80211_F_SHSLOT ? "short" : "long",
2514 	    ic->ic_flags & IEEE80211_F_USEPROT ? ", protection" : "",
2531 	if (ic->ic_newassoc != NULL)
2532 		ic->ic_newassoc(ni, newassoc);
2542 disable_protection(struct ieee80211com *ic)
2544 	KASSERT(ic->ic_nonerpsta == 0 &&
2545 	    (ic->ic_flags_ext & IEEE80211_FEXT_NONERP_PR) == 0,
2546 	   ("%d non ERP stations, flags 0x%x", ic->ic_nonerpsta,
2547 	   ic->ic_flags_ext));
2549 	ic->ic_flags &= ~IEEE80211_F_USEPROT;
2551 	if (ic->ic_caps & IEEE80211_C_SHPREAMBLE) {
2552 		ic->ic_flags |= IEEE80211_F_SHPREAMBLE;
2553 		ic->ic_flags &= ~IEEE80211_F_USEBARKER;
2555 	ieee80211_notify_erp_locked(ic);
2564 	struct ieee80211com *ic = ni->ni_ic;
2566 	IEEE80211_LOCK_ASSERT(ic);
2568 	KASSERT(IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan),
2569 	     ("not in 11g, bss %u:0x%x", ic->ic_bsschan->ic_freq,
2570 	      ic->ic_bsschan->ic_flags));
2576 		KASSERT(ic->ic_longslotsta > 0,
2577 		    ("bogus long slot station count %d", ic->ic_longslotsta));
2578 		ic->ic_longslotsta--;
2581 		    ic->ic_longslotsta);
2582 		if (ic->ic_longslotsta == 0) {
2587 			if ((ic->ic_caps & IEEE80211_C_SHSLOT) &&
2588 			    ic->ic_opmode != IEEE80211_M_IBSS) {
2593 				ieee80211_set_shortslottime(ic, 1);
2601 		KASSERT(ic->ic_nonerpsta > 0,
2602 		    ("bogus non-ERP station count %d", ic->ic_nonerpsta));
2603 		ic->ic_nonerpsta--;
2605 		    "non-ERP station leaves, count now %d%s", ic->ic_nonerpsta,
2606 		    (ic->ic_flags_ext & IEEE80211_FEXT_NONERP_PR) ?
2608 		if (ic->ic_nonerpsta == 0 &&
2609 		    (ic->ic_flags_ext & IEEE80211_FEXT_NONERP_PR) == 0) {
2612 			disable_protection(ic);
2626 ieee80211_erp_timeout(struct ieee80211com *ic)
2629 	IEEE80211_LOCK_ASSERT(ic);
2631 	if ((ic->ic_flags_ext & IEEE80211_FEXT_NONERP_PR) &&
2632 	    time_after(ticks, ic->ic_lastnonerp + IEEE80211_NONERP_PRESENT_AGE)) {
2637 		ic->ic_flags_ext &= ~IEEE80211_FEXT_NONERP_PR;
2638 		if (ic->ic_nonerpsta == 0)
2639 			disable_protection(ic);
2650 	struct ieee80211com *ic = ni->ni_ic;
2675 	IEEE80211_LOCK(ic);
2679 	ic->ic_sta_assoc--;
2681 	if (IEEE80211_IS_CHAN_HT(ic->ic_bsschan))
2683 	if (IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan) &&
2684 	    IEEE80211_IS_CHAN_FULL(ic->ic_bsschan))
2686 	IEEE80211_UNLOCK(ic);
2779 	struct ieee80211com *ic = vap->iv_ic;
2788 		ieee80211_iterate_nodes(&ic->ic_sta, get_adhoc_rssi, &info);
2791 		ieee80211_iterate_nodes(&ic->ic_sta, get_hostap_rssi, &info);
2795 		ieee80211_iterate_nodes(&ic->ic_sta, get_mesh_rssi, &info);
2802 			info.rssi_total = ic->ic_node_getrssi(vap->iv_bss);