ieee80211_node.c (627bd78e3e2e60e0124e82577203acb5c793838f) ieee80211_node.c (d20ff6e6805a5ad5b244b4e96e10ea824971a045)
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2001 Atsushi Onoe
5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

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441void
442ieee80211_reset_bss(struct ieee80211vap *vap)
443{
444 struct ieee80211com *ic = vap->iv_ic;
445 struct ieee80211_node *ni, *obss;
446
447 ieee80211_node_table_reset(&ic->ic_sta, vap);
448 /* XXX multi-bss: wrong */
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2001 Atsushi Onoe
5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

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441void
442ieee80211_reset_bss(struct ieee80211vap *vap)
443{
444 struct ieee80211com *ic = vap->iv_ic;
445 struct ieee80211_node *ni, *obss;
446
447 ieee80211_node_table_reset(&ic->ic_sta, vap);
448 /* XXX multi-bss: wrong */
449 ieee80211_reset_erp(ic);
449 ieee80211_vap_reset_erp(vap);
450
451 ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr);
452 KASSERT(ni != NULL, ("unable to setup initial BSS node"));
453 obss = vap->iv_bss;
454 vap->iv_bss = ieee80211_ref_node(ni);
455 if (obss != NULL) {
456 copy_bss(ni, obss);
457 ni->ni_intval = ic->ic_bintval;

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677
678 if (! ieee80211_ibss_merge_check(ni))
679 return 0;
680
681 IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC,
682 "%s: new bssid %s: %s preamble, %s slot time%s\n", __func__,
683 ether_sprintf(ni->ni_bssid),
684 ic->ic_flags&IEEE80211_F_SHPREAMBLE ? "short" : "long",
450
451 ni = ieee80211_alloc_node(&ic->ic_sta, vap, vap->iv_myaddr);
452 KASSERT(ni != NULL, ("unable to setup initial BSS node"));
453 obss = vap->iv_bss;
454 vap->iv_bss = ieee80211_ref_node(ni);
455 if (obss != NULL) {
456 copy_bss(ni, obss);
457 ni->ni_intval = ic->ic_bintval;

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677
678 if (! ieee80211_ibss_merge_check(ni))
679 return 0;
680
681 IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC,
682 "%s: new bssid %s: %s preamble, %s slot time%s\n", __func__,
683 ether_sprintf(ni->ni_bssid),
684 ic->ic_flags&IEEE80211_F_SHPREAMBLE ? "short" : "long",
685 ic->ic_flags&IEEE80211_F_SHSLOT ? "short" : "long",
685 vap->iv_flags&IEEE80211_F_SHSLOT ? "short" : "long",
686 ic->ic_flags&IEEE80211_F_USEPROT ? ", protection" : ""
687 );
688 return ieee80211_sta_join1(ieee80211_ref_node(ni));
689}
690
691/*
692 * Calculate HT channel promotion flags for all vaps.
693 * This assumes ni_chan have been setup for each vap.

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876 IEEE80211_F_DODEL | IEEE80211_F_JOIN);
877
878 ieee80211_setcurchan(ic, selbs->ni_chan);
879 /*
880 * Set the erp state (mostly the slot time) to deal with
881 * the auto-select case; this should be redundant if the
882 * mode is locked.
883 */
686 ic->ic_flags&IEEE80211_F_USEPROT ? ", protection" : ""
687 );
688 return ieee80211_sta_join1(ieee80211_ref_node(ni));
689}
690
691/*
692 * Calculate HT channel promotion flags for all vaps.
693 * This assumes ni_chan have been setup for each vap.

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876 IEEE80211_F_DODEL | IEEE80211_F_JOIN);
877
878 ieee80211_setcurchan(ic, selbs->ni_chan);
879 /*
880 * Set the erp state (mostly the slot time) to deal with
881 * the auto-select case; this should be redundant if the
882 * mode is locked.
883 */
884 ieee80211_reset_erp(ic);
884 ieee80211_vap_reset_erp(vap);
885 ieee80211_wme_initparams(vap);
886
887 if (vap->iv_opmode == IEEE80211_M_STA) {
888 if (canreassoc) {
889 /* Reassociate */
890 ieee80211_new_state(vap, IEEE80211_S_ASSOC, 1);
891 } else {
892 /*

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2640
2641/*
2642 * Handle a station joining an 11g network.
2643 */
2644static void
2645ieee80211_node_join_11g(struct ieee80211_node *ni)
2646{
2647 struct ieee80211com *ic = ni->ni_ic;
885 ieee80211_wme_initparams(vap);
886
887 if (vap->iv_opmode == IEEE80211_M_STA) {
888 if (canreassoc) {
889 /* Reassociate */
890 ieee80211_new_state(vap, IEEE80211_S_ASSOC, 1);
891 } else {
892 /*

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2640
2641/*
2642 * Handle a station joining an 11g network.
2643 */
2644static void
2645ieee80211_node_join_11g(struct ieee80211_node *ni)
2646{
2647 struct ieee80211com *ic = ni->ni_ic;
2648 struct ieee80211vap *vap = ni->ni_vap;
2648
2649 IEEE80211_LOCK_ASSERT(ic);
2650
2651 /*
2652 * Station isn't capable of short slot time. Bump
2653 * the count of long slot time stations and disable
2654 * use of short slot time. Note that the actual switch
2655 * over to long slot time use may not occur until the
2656 * next beacon transmission (per sec. 7.3.1.4 of 11g).
2657 */
2658 if ((ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME) == 0) {
2659 ic->ic_longslotsta++;
2660 IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni,
2661 "station needs long slot time, count %d",
2662 ic->ic_longslotsta);
2649
2650 IEEE80211_LOCK_ASSERT(ic);
2651
2652 /*
2653 * Station isn't capable of short slot time. Bump
2654 * the count of long slot time stations and disable
2655 * use of short slot time. Note that the actual switch
2656 * over to long slot time use may not occur until the
2657 * next beacon transmission (per sec. 7.3.1.4 of 11g).
2658 */
2659 if ((ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME) == 0) {
2660 ic->ic_longslotsta++;
2661 IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_ASSOC, ni,
2662 "station needs long slot time, count %d",
2663 ic->ic_longslotsta);
2663 /* XXX vap's w/ conflicting needs won't work */
2664 if (!IEEE80211_IS_CHAN_108G(ic->ic_bsschan)) {
2665 /*
2666 * Don't force slot time when switched to turbo
2667 * mode as non-ERP stations won't be present; this
2668 * need only be done when on the normal G channel.
2669 */
2664 if (!IEEE80211_IS_CHAN_108G(ic->ic_bsschan)) {
2665 /*
2666 * Don't force slot time when switched to turbo
2667 * mode as non-ERP stations won't be present; this
2668 * need only be done when on the normal G channel.
2669 */
2670 ieee80211_set_shortslottime(ic, 0);
2670 ieee80211_vap_set_shortslottime(vap, 0);
2671 }
2672 }
2673 /*
2674 * If the new station is not an ERP station
2675 * then bump the counter and enable protection
2676 * if configured.
2677 */
2678 if (!ieee80211_iserp_rateset(&ni->ni_rates)) {

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2752
2753 /*
2754 * XXX VHT - should log VHT channel width, etc
2755 */
2756 IEEE80211_NOTE(vap, IEEE80211_MSG_ASSOC | IEEE80211_MSG_DEBUG, ni,
2757 "station associated at aid %d: %s preamble, %s slot time%s%s%s%s%s%s%s%s",
2758 IEEE80211_NODE_AID(ni),
2759 ic->ic_flags & IEEE80211_F_SHPREAMBLE ? "short" : "long",
2671 }
2672 }
2673 /*
2674 * If the new station is not an ERP station
2675 * then bump the counter and enable protection
2676 * if configured.
2677 */
2678 if (!ieee80211_iserp_rateset(&ni->ni_rates)) {

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2752
2753 /*
2754 * XXX VHT - should log VHT channel width, etc
2755 */
2756 IEEE80211_NOTE(vap, IEEE80211_MSG_ASSOC | IEEE80211_MSG_DEBUG, ni,
2757 "station associated at aid %d: %s preamble, %s slot time%s%s%s%s%s%s%s%s",
2758 IEEE80211_NODE_AID(ni),
2759 ic->ic_flags & IEEE80211_F_SHPREAMBLE ? "short" : "long",
2760 ic->ic_flags & IEEE80211_F_SHSLOT ? "short" : "long",
2760 vap->iv_flags & IEEE80211_F_SHSLOT ? "short" : "long",
2761 ic->ic_flags & IEEE80211_F_USEPROT ? ", protection" : "",
2762 ni->ni_flags & IEEE80211_NODE_QOS ? ", QoS" : "",
2763 /* XXX update for VHT string */
2764 ni->ni_flags & IEEE80211_NODE_HT ?
2765 (ni->ni_chw == 40 ? ", HT40" : ", HT20") : "",
2766 ni->ni_flags & IEEE80211_NODE_AMPDU ? " (+AMPDU)" : "",
2767 ni->ni_flags & IEEE80211_NODE_MIMO_RTS ? " (+SMPS-DYN)" :
2768 ni->ni_flags & IEEE80211_NODE_MIMO_PS ? " (+SMPS)" : "",

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2805
2806/*
2807 * Handle a station leaving an 11g network.
2808 */
2809static void
2810ieee80211_node_leave_11g(struct ieee80211_node *ni)
2811{
2812 struct ieee80211com *ic = ni->ni_ic;
2761 ic->ic_flags & IEEE80211_F_USEPROT ? ", protection" : "",
2762 ni->ni_flags & IEEE80211_NODE_QOS ? ", QoS" : "",
2763 /* XXX update for VHT string */
2764 ni->ni_flags & IEEE80211_NODE_HT ?
2765 (ni->ni_chw == 40 ? ", HT40" : ", HT20") : "",
2766 ni->ni_flags & IEEE80211_NODE_AMPDU ? " (+AMPDU)" : "",
2767 ni->ni_flags & IEEE80211_NODE_MIMO_RTS ? " (+SMPS-DYN)" :
2768 ni->ni_flags & IEEE80211_NODE_MIMO_PS ? " (+SMPS)" : "",

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2805
2806/*
2807 * Handle a station leaving an 11g network.
2808 */
2809static void
2810ieee80211_node_leave_11g(struct ieee80211_node *ni)
2811{
2812 struct ieee80211com *ic = ni->ni_ic;
2813 struct ieee80211vap *vap = ni->ni_vap;
2813
2814 IEEE80211_LOCK_ASSERT(ic);
2815
2816 KASSERT(IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan),
2817 ("not in 11g, bss %u:0x%x", ic->ic_bsschan->ic_freq,
2818 ic->ic_bsschan->ic_flags));
2819
2820 /*

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2833 * and not operating in IBSS mode (per spec).
2834 */
2835 if ((ic->ic_caps & IEEE80211_C_SHSLOT) &&
2836 ic->ic_opmode != IEEE80211_M_IBSS) {
2837 IEEE80211_DPRINTF(ni->ni_vap,
2838 IEEE80211_MSG_ASSOC,
2839 "%s: re-enable use of short slot time\n",
2840 __func__);
2814
2815 IEEE80211_LOCK_ASSERT(ic);
2816
2817 KASSERT(IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan),
2818 ("not in 11g, bss %u:0x%x", ic->ic_bsschan->ic_freq,
2819 ic->ic_bsschan->ic_flags));
2820
2821 /*

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2834 * and not operating in IBSS mode (per spec).
2835 */
2836 if ((ic->ic_caps & IEEE80211_C_SHSLOT) &&
2837 ic->ic_opmode != IEEE80211_M_IBSS) {
2838 IEEE80211_DPRINTF(ni->ni_vap,
2839 IEEE80211_MSG_ASSOC,
2840 "%s: re-enable use of short slot time\n",
2841 __func__);
2841 ieee80211_set_shortslottime(ic, 1);
2842 ieee80211_vap_set_shortslottime(vap, 1);
2842 }
2843 }
2844 }
2845 /*
2846 * If a non-ERP station do the protection-related bookkeeping.
2847 */
2848 if ((ni->ni_flags & IEEE80211_NODE_ERP) == 0) {
2849 KASSERT(ic->ic_nonerpsta > 0,

--- 215 unchanged lines hidden --- 		2843 }
2844 }
2845 }
2846 /*
2847 * If a non-ERP station do the protection-related bookkeeping.
2848 */
2849 if ((ni->ni_flags & IEEE80211_NODE_ERP) == 0) {
2850 KASSERT(ic->ic_nonerpsta > 0,

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