2008-08-04 15:16:41 +08:00
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/*
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2011-05-17 16:06:18 +08:00
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* Copyright (c) 2008-2011 Atheros Communications Inc.
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2008-08-04 15:16:41 +08:00
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/nl80211.h>
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2011-02-19 17:13:42 +08:00
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#include <linux/delay.h>
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2009-02-09 15:56:54 +08:00
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#include "ath9k.h"
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2009-09-09 17:33:11 +08:00
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#include "btcoex.h"
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2008-08-04 15:16:41 +08:00
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2012-07-17 19:46:36 +08:00
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static void ath9k_set_assoc_state(struct ath_softc *sc,
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struct ieee80211_vif *vif);
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2012-06-25 13:15:22 +08:00
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u8 ath9k_parse_mpdudensity(u8 mpdudensity)
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2008-11-24 14:37:55 +08:00
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{
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/*
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* 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
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* 0 for no restriction
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* 1 for 1/4 us
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* 2 for 1/2 us
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* 3 for 1 us
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* 4 for 2 us
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* 5 for 4 us
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* 6 for 8 us
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* 7 for 16 us
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*/
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switch (mpdudensity) {
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case 0:
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return 0;
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case 1:
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case 2:
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case 3:
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/* Our lower layer calculations limit our precision to
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1 microsecond */
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return 1;
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case 4:
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return 2;
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case 5:
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return 4;
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case 6:
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return 8;
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case 7:
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return 16;
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default:
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return 0;
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}
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}
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2011-02-19 17:13:42 +08:00
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static bool ath9k_has_pending_frames(struct ath_softc *sc, struct ath_txq *txq)
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{
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bool pending = false;
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spin_lock_bh(&txq->axq_lock);
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if (txq->axq_depth || !list_empty(&txq->axq_acq))
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pending = true;
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spin_unlock_bh(&txq->axq_lock);
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return pending;
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}
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2011-05-19 20:10:46 +08:00
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static bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode)
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2009-09-10 12:02:34 +08:00
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{
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unsigned long flags;
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bool ret;
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2009-09-10 12:10:09 +08:00
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spin_lock_irqsave(&sc->sc_pm_lock, flags);
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ret = ath9k_hw_setpower(sc->sc_ah, mode);
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spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
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2009-09-10 12:02:34 +08:00
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return ret;
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}
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2013-11-12 05:23:33 +08:00
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void ath_ps_full_sleep(unsigned long data)
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{
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struct ath_softc *sc = (struct ath_softc *) data;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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bool reset;
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spin_lock(&common->cc_lock);
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ath_hw_cycle_counters_update(common);
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spin_unlock(&common->cc_lock);
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ath9k_hw_setrxabort(sc->sc_ah, 1);
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ath9k_hw_stopdmarecv(sc->sc_ah, &reset);
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ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
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}
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2009-09-10 11:29:18 +08:00
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void ath9k_ps_wakeup(struct ath_softc *sc)
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{
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2010-10-12 20:02:53 +08:00
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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2009-09-10 11:29:18 +08:00
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unsigned long flags;
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2010-11-03 08:36:51 +08:00
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enum ath9k_power_mode power_mode;
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2009-09-10 11:29:18 +08:00
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spin_lock_irqsave(&sc->sc_pm_lock, flags);
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if (++sc->ps_usecount != 1)
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goto unlock;
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2013-11-12 05:23:33 +08:00
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del_timer_sync(&sc->sleep_timer);
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2010-11-03 08:36:51 +08:00
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power_mode = sc->sc_ah->power_mode;
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2009-09-10 12:10:09 +08:00
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ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
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2009-09-10 11:29:18 +08:00
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2010-10-12 20:02:53 +08:00
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/*
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* While the hardware is asleep, the cycle counters contain no
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* useful data. Better clear them now so that they don't mess up
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* survey data results.
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*/
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2010-11-03 08:36:51 +08:00
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if (power_mode != ATH9K_PM_AWAKE) {
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spin_lock(&common->cc_lock);
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ath_hw_cycle_counters_update(common);
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memset(&common->cc_survey, 0, sizeof(common->cc_survey));
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2012-06-04 18:58:41 +08:00
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memset(&common->cc_ani, 0, sizeof(common->cc_ani));
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2010-11-03 08:36:51 +08:00
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spin_unlock(&common->cc_lock);
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}
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2010-10-12 20:02:53 +08:00
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2009-09-10 11:29:18 +08:00
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unlock:
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spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
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}
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void ath9k_ps_restore(struct ath_softc *sc)
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{
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2010-10-12 20:02:53 +08:00
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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2011-09-15 03:24:24 +08:00
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enum ath9k_power_mode mode;
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2009-09-10 11:29:18 +08:00
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unsigned long flags;
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spin_lock_irqsave(&sc->sc_pm_lock, flags);
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if (--sc->ps_usecount != 0)
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goto unlock;
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2012-04-24 12:53:20 +08:00
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if (sc->ps_idle) {
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2013-11-12 05:23:33 +08:00
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mod_timer(&sc->sleep_timer, jiffies + HZ / 10);
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goto unlock;
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}
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if (sc->ps_enabled &&
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2012-04-24 12:53:20 +08:00
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!(sc->ps_flags & (PS_WAIT_FOR_BEACON |
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PS_WAIT_FOR_CAB |
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PS_WAIT_FOR_PSPOLL_DATA |
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2012-10-11 01:33:02 +08:00
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PS_WAIT_FOR_TX_ACK |
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PS_WAIT_FOR_ANI))) {
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2011-09-15 03:24:24 +08:00
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mode = ATH9K_PM_NETWORK_SLEEP;
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2012-07-01 22:23:54 +08:00
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if (ath9k_hw_btcoex_is_enabled(sc->sc_ah))
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ath9k_btcoex_stop_gen_timer(sc);
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2012-04-24 12:53:20 +08:00
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} else {
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2011-09-15 03:24:24 +08:00
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goto unlock;
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2012-04-24 12:53:20 +08:00
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}
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2011-09-15 03:24:24 +08:00
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spin_lock(&common->cc_lock);
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ath_hw_cycle_counters_update(common);
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spin_unlock(&common->cc_lock);
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2011-09-22 22:04:32 +08:00
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ath9k_hw_setpower(sc->sc_ah, mode);
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2009-09-10 11:29:18 +08:00
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unlock:
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spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
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}
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2011-09-03 07:40:26 +08:00
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static void __ath_cancel_work(struct ath_softc *sc)
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2008-11-24 14:37:55 +08:00
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{
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2010-07-31 06:11:59 +08:00
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cancel_work_sync(&sc->paprd_work);
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cancel_delayed_work_sync(&sc->tx_complete_work);
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2011-01-27 17:15:08 +08:00
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cancel_delayed_work_sync(&sc->hw_pll_work);
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2012-06-25 16:24:22 +08:00
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2012-06-27 16:45:59 +08:00
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#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
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2012-06-25 16:24:22 +08:00
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if (ath9k_hw_mci_is_enabled(sc->sc_ah))
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cancel_work_sync(&sc->mci_work);
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2012-06-27 16:45:59 +08:00
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#endif
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2011-09-03 07:40:26 +08:00
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}
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2010-07-31 06:11:59 +08:00
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2013-10-28 14:52:04 +08:00
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void ath_cancel_work(struct ath_softc *sc)
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2011-09-03 07:40:26 +08:00
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{
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__ath_cancel_work(sc);
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cancel_work_sync(&sc->hw_reset_work);
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}
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2009-01-20 13:47:08 +08:00
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2013-10-28 14:52:04 +08:00
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void ath_restart_work(struct ath_softc *sc)
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2012-06-04 22:53:43 +08:00
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{
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ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
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2013-08-20 12:35:59 +08:00
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if (AR_SREV_9340(sc->sc_ah) || AR_SREV_9330(sc->sc_ah))
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2012-06-04 22:53:43 +08:00
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ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work,
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msecs_to_jiffies(ATH_PLL_WORK_INTERVAL));
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2012-07-17 19:46:29 +08:00
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ath_start_ani(sc);
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2012-06-04 22:53:43 +08:00
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}
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2013-01-29 02:54:03 +08:00
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static bool ath_prepare_reset(struct ath_softc *sc)
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2011-09-03 07:40:26 +08:00
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{
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struct ath_hw *ah = sc->sc_ah;
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2012-05-24 20:32:19 +08:00
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bool ret = true;
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2010-10-27 06:27:25 +08:00
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2011-09-03 07:40:26 +08:00
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ieee80211_stop_queues(sc->hw);
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2012-07-17 19:46:29 +08:00
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ath_stop_ani(sc);
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2011-09-03 07:40:26 +08:00
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ath9k_hw_disable_interrupts(ah);
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2011-01-11 08:05:50 +08:00
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2013-01-21 01:51:53 +08:00
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if (!ath_drain_all_txq(sc))
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2011-09-03 07:40:26 +08:00
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ret = false;
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2008-12-24 07:58:50 +08:00
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2013-01-21 01:51:52 +08:00
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if (!ath_stoprecv(sc))
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2012-05-24 20:32:19 +08:00
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ret = false;
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2011-09-03 07:40:26 +08:00
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return ret;
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}
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2008-11-24 14:37:55 +08:00
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2011-09-03 07:40:26 +08:00
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static bool ath_complete_reset(struct ath_softc *sc, bool start)
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{
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struct ath_hw *ah = sc->sc_ah;
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struct ath_common *common = ath9k_hw_common(ah);
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2012-06-04 22:54:13 +08:00
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unsigned long flags;
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2013-10-05 20:09:30 +08:00
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int i;
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2008-12-24 07:58:50 +08:00
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if (ath_startrecv(sc) != 0) {
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2010-12-03 11:12:36 +08:00
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ath_err(common, "Unable to restart recv logic\n");
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2011-09-03 07:40:26 +08:00
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return false;
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2008-12-24 07:58:50 +08:00
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}
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2011-02-01 02:17:44 +08:00
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ath9k_cmn_update_txpow(ah, sc->curtxpow,
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sc->config.txpowlimit, &sc->curtxpow);
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2012-06-04 22:54:01 +08:00
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2014-02-27 18:40:46 +08:00
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clear_bit(ATH_OP_HW_RESET, &common->op_flags);
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2011-10-09 02:06:19 +08:00
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ath9k_hw_set_interrupts(ah);
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2011-08-05 21:29:40 +08:00
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ath9k_hw_enable_interrupts(ah);
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2009-06-15 23:49:09 +08:00
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2012-06-04 18:57:52 +08:00
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if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) && start) {
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2014-02-27 18:40:46 +08:00
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if (!test_bit(ATH_OP_BEACONS, &common->op_flags))
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2012-06-04 22:54:13 +08:00
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goto work;
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if (ah->opmode == NL80211_IFTYPE_STATION &&
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2014-02-27 18:40:46 +08:00
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test_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags)) {
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2012-06-04 22:54:13 +08:00
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spin_lock_irqsave(&sc->sc_pm_lock, flags);
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sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
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spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
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2013-05-06 12:39:03 +08:00
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} else {
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ath9k_set_beacon(sc);
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2012-06-04 22:54:13 +08:00
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}
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work:
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2012-06-04 22:53:43 +08:00
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ath_restart_work(sc);
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2013-10-05 20:09:30 +08:00
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for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
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if (!ATH_TXQ_SETUP(sc, i))
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continue;
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spin_lock_bh(&sc->tx.txq[i].axq_lock);
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ath_txq_schedule(sc, &sc->tx.txq[i]);
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spin_unlock_bh(&sc->tx.txq[i].axq_lock);
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}
|
2010-07-31 06:11:59 +08:00
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}
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2014-01-13 16:25:11 +08:00
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sc->gtt_cnt = 0;
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2011-09-03 07:40:26 +08:00
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ieee80211_wake_queues(sc->hw);
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2014-04-06 06:37:03 +08:00
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ath9k_p2p_ps_timer(sc);
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|
2011-09-03 07:40:26 +08:00
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return true;
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}
|
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|
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|
2013-01-21 01:51:53 +08:00
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static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan)
|
2011-09-03 07:40:26 +08:00
|
|
|
{
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|
|
struct ath_hw *ah = sc->sc_ah;
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struct ath_common *common = ath9k_hw_common(ah);
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|
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struct ath9k_hw_cal_data *caldata = NULL;
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|
|
bool fastcc = true;
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int r;
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|
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|
__ath_cancel_work(sc);
|
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|
2013-01-14 23:56:46 +08:00
|
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|
tasklet_disable(&sc->intr_tq);
|
2011-09-03 07:40:26 +08:00
|
|
|
spin_lock_bh(&sc->sc_pcu_lock);
|
2011-01-25 02:23:14 +08:00
|
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|
2012-06-04 18:57:52 +08:00
|
|
|
if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) {
|
2011-09-03 07:40:26 +08:00
|
|
|
fastcc = false;
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|
|
caldata = &sc->caldata;
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}
|
|
|
|
|
|
|
|
if (!hchan) {
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|
|
fastcc = false;
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|
|
hchan = ah->curchan;
|
|
|
|
}
|
|
|
|
|
2013-01-29 02:54:03 +08:00
|
|
|
if (!ath_prepare_reset(sc))
|
2011-09-03 07:40:26 +08:00
|
|
|
fastcc = false;
|
|
|
|
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, CONFIG, "Reset to %u MHz, HT40: %d fastcc: %d\n",
|
2012-01-30 16:51:42 +08:00
|
|
|
hchan->channel, IS_CHAN_HT40(hchan), fastcc);
|
2011-09-03 07:40:26 +08:00
|
|
|
|
|
|
|
r = ath9k_hw_reset(ah, hchan, caldata, fastcc);
|
|
|
|
if (r) {
|
|
|
|
ath_err(common,
|
|
|
|
"Unable to reset channel, reset status %d\n", r);
|
2013-04-03 07:52:45 +08:00
|
|
|
|
|
|
|
ath9k_hw_enable_interrupts(ah);
|
|
|
|
ath9k_queue_reset(sc, RESET_TYPE_BB_HANG);
|
|
|
|
|
2011-09-03 07:40:26 +08:00
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
2012-10-12 16:37:25 +08:00
|
|
|
if (ath9k_hw_mci_is_enabled(sc->sc_ah) &&
|
|
|
|
(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
|
|
|
|
ath9k_mci_set_txpower(sc, true, false);
|
|
|
|
|
2011-09-03 07:40:26 +08:00
|
|
|
if (!ath_complete_reset(sc, true))
|
|
|
|
r = -EIO;
|
|
|
|
|
|
|
|
out:
|
2010-10-27 06:27:25 +08:00
|
|
|
spin_unlock_bh(&sc->sc_pcu_lock);
|
2013-01-14 23:56:46 +08:00
|
|
|
tasklet_enable(&sc->intr_tq);
|
|
|
|
|
2011-09-03 07:40:26 +08:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set/change channels. If the channel is really being changed, it's done
|
|
|
|
* by reseting the chip. To accomplish this we must first cleanup any pending
|
|
|
|
* DMA, then restart stuff.
|
|
|
|
*/
|
2013-10-12 05:30:58 +08:00
|
|
|
static int ath_set_channel(struct ath_softc *sc, struct cfg80211_chan_def *chandef)
|
2011-09-03 07:40:26 +08:00
|
|
|
{
|
2013-10-12 05:30:58 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
|
|
struct ieee80211_hw *hw = sc->hw;
|
|
|
|
struct ath9k_channel *hchan;
|
|
|
|
struct ieee80211_channel *chan = chandef->chan;
|
|
|
|
bool offchannel;
|
|
|
|
int pos = chan->hw_value;
|
|
|
|
int old_pos = -1;
|
2011-09-03 07:40:26 +08:00
|
|
|
int r;
|
|
|
|
|
2014-02-27 18:40:46 +08:00
|
|
|
if (test_bit(ATH_OP_INVALID, &common->op_flags))
|
2011-09-03 07:40:26 +08:00
|
|
|
return -EIO;
|
|
|
|
|
2013-10-12 05:30:58 +08:00
|
|
|
offchannel = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL);
|
|
|
|
|
|
|
|
if (ah->curchan)
|
|
|
|
old_pos = ah->curchan - &ah->channels[0];
|
|
|
|
|
|
|
|
ath_dbg(common, CONFIG, "Set channel: %d MHz width: %d\n",
|
|
|
|
chan->center_freq, chandef->width);
|
|
|
|
|
|
|
|
/* update survey stats for the old channel before switching */
|
2013-12-26 10:44:40 +08:00
|
|
|
spin_lock_bh(&common->cc_lock);
|
2013-10-12 05:30:58 +08:00
|
|
|
ath_update_survey_stats(sc);
|
2013-12-26 10:44:40 +08:00
|
|
|
spin_unlock_bh(&common->cc_lock);
|
2013-10-12 05:30:58 +08:00
|
|
|
|
|
|
|
ath9k_cmn_get_channel(hw, ah, chandef);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If the operating channel changes, change the survey in-use flags
|
|
|
|
* along with it.
|
|
|
|
* Reset the survey data for the new channel, unless we're switching
|
|
|
|
* back to the operating channel from an off-channel operation.
|
|
|
|
*/
|
|
|
|
if (!offchannel && sc->cur_survey != &sc->survey[pos]) {
|
|
|
|
if (sc->cur_survey)
|
|
|
|
sc->cur_survey->filled &= ~SURVEY_INFO_IN_USE;
|
|
|
|
|
|
|
|
sc->cur_survey = &sc->survey[pos];
|
|
|
|
|
|
|
|
memset(sc->cur_survey, 0, sizeof(struct survey_info));
|
|
|
|
sc->cur_survey->filled |= SURVEY_INFO_IN_USE;
|
|
|
|
} else if (!(sc->survey[pos].filled & SURVEY_INFO_IN_USE)) {
|
|
|
|
memset(&sc->survey[pos], 0, sizeof(struct survey_info));
|
|
|
|
}
|
|
|
|
|
|
|
|
hchan = &sc->sc_ah->channels[pos];
|
2013-01-21 01:51:53 +08:00
|
|
|
r = ath_reset_internal(sc, hchan);
|
2013-10-12 05:30:58 +08:00
|
|
|
if (r)
|
|
|
|
return r;
|
2010-10-27 06:27:25 +08:00
|
|
|
|
2013-10-12 05:30:58 +08:00
|
|
|
/*
|
|
|
|
* The most recent snapshot of channel->noisefloor for the old
|
|
|
|
* channel is only available after the hardware reset. Copy it to
|
|
|
|
* the survey stats now.
|
|
|
|
*/
|
|
|
|
if (old_pos >= 0)
|
|
|
|
ath_update_survey_nf(sc, old_pos);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Enable radar pulse detection if on a DFS channel. Spectral
|
|
|
|
* scanning and radar detection can not be used concurrently.
|
|
|
|
*/
|
|
|
|
if (hw->conf.radar_enabled) {
|
|
|
|
u32 rxfilter;
|
|
|
|
|
|
|
|
/* set HW specific DFS configuration */
|
|
|
|
ath9k_hw_set_radar_params(ah);
|
|
|
|
rxfilter = ath9k_hw_getrxfilter(ah);
|
|
|
|
rxfilter |= ATH9K_RX_FILTER_PHYRADAR |
|
|
|
|
ATH9K_RX_FILTER_PHYERR;
|
|
|
|
ath9k_hw_setrxfilter(ah, rxfilter);
|
|
|
|
ath_dbg(common, DFS, "DFS enabled at freq %d\n",
|
|
|
|
chan->center_freq);
|
|
|
|
} else {
|
|
|
|
/* perform spectral scan if requested. */
|
2014-02-27 18:40:46 +08:00
|
|
|
if (test_bit(ATH_OP_SCANNING, &common->op_flags) &&
|
2013-10-12 05:30:58 +08:00
|
|
|
sc->spectral_mode == SPECTRAL_CHANSCAN)
|
|
|
|
ath9k_spectral_scan_trigger(hw);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
2008-11-24 14:37:55 +08:00
|
|
|
}
|
|
|
|
|
2011-11-04 02:33:13 +08:00
|
|
|
static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta,
|
|
|
|
struct ieee80211_vif *vif)
|
2008-11-24 14:37:55 +08:00
|
|
|
{
|
|
|
|
struct ath_node *an;
|
|
|
|
an = (struct ath_node *)sta->drv_priv;
|
|
|
|
|
2012-11-28 17:38:54 +08:00
|
|
|
an->sc = sc;
|
2011-01-10 15:11:49 +08:00
|
|
|
an->sta = sta;
|
2011-11-04 02:33:13 +08:00
|
|
|
an->vif = vif;
|
2014-05-22 15:05:49 +08:00
|
|
|
memset(&an->key_idx, 0, sizeof(an->key_idx));
|
2012-03-14 17:10:58 +08:00
|
|
|
|
2013-02-04 18:08:23 +08:00
|
|
|
ath_tx_node_init(sc, an);
|
2008-11-24 14:37:55 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta)
|
|
|
|
{
|
|
|
|
struct ath_node *an = (struct ath_node *)sta->drv_priv;
|
2013-02-04 18:08:23 +08:00
|
|
|
ath_tx_node_cleanup(sc, an);
|
2008-11-24 14:37:55 +08:00
|
|
|
}
|
|
|
|
|
2010-01-08 13:06:02 +08:00
|
|
|
void ath9k_tasklet(unsigned long data)
|
2008-11-24 14:37:55 +08:00
|
|
|
{
|
|
|
|
struct ath_softc *sc = (struct ath_softc *)data;
|
2009-09-09 17:33:11 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
2009-09-13 17:42:02 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2012-07-17 19:46:42 +08:00
|
|
|
enum ath_reset_type type;
|
2012-06-04 22:54:07 +08:00
|
|
|
unsigned long flags;
|
2009-02-09 15:57:03 +08:00
|
|
|
u32 status = sc->intrstatus;
|
2010-04-16 05:38:48 +08:00
|
|
|
u32 rxmask;
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2011-09-15 03:23:01 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
|
|
|
spin_lock(&sc->sc_pcu_lock);
|
|
|
|
|
2013-12-24 13:14:24 +08:00
|
|
|
if (status & ATH9K_INT_FATAL) {
|
|
|
|
type = RESET_TYPE_FATAL_INT;
|
2012-07-17 19:46:42 +08:00
|
|
|
ath9k_queue_reset(sc, type);
|
2013-09-16 13:07:00 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Increment the ref. counter here so that
|
|
|
|
* interrupts are enabled in the reset routine.
|
|
|
|
*/
|
|
|
|
atomic_inc(&ah->intr_ref_cnt);
|
2014-02-22 21:52:49 +08:00
|
|
|
ath_dbg(common, RESET, "FATAL: Skipping interrupts\n");
|
2011-09-15 03:23:01 +08:00
|
|
|
goto out;
|
2009-03-30 17:58:49 +08:00
|
|
|
}
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2013-12-24 13:14:24 +08:00
|
|
|
if ((ah->config.hw_hang_checks & HW_BB_WATCHDOG) &&
|
|
|
|
(status & ATH9K_INT_BB_WATCHDOG)) {
|
2013-12-24 13:14:26 +08:00
|
|
|
spin_lock(&common->cc_lock);
|
|
|
|
ath_hw_cycle_counters_update(common);
|
|
|
|
ar9003_hw_bb_watchdog_dbg_info(ah);
|
|
|
|
spin_unlock(&common->cc_lock);
|
|
|
|
|
2013-12-24 13:14:24 +08:00
|
|
|
if (ar9003_hw_bb_watchdog_check(ah)) {
|
|
|
|
type = RESET_TYPE_BB_WATCHDOG;
|
|
|
|
ath9k_queue_reset(sc, type);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Increment the ref. counter here so that
|
|
|
|
* interrupts are enabled in the reset routine.
|
|
|
|
*/
|
|
|
|
atomic_inc(&ah->intr_ref_cnt);
|
2014-02-22 21:52:49 +08:00
|
|
|
ath_dbg(common, RESET,
|
2013-12-24 13:14:24 +08:00
|
|
|
"BB_WATCHDOG: Skipping interrupts\n");
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-01-13 16:25:11 +08:00
|
|
|
if (status & ATH9K_INT_GTT) {
|
|
|
|
sc->gtt_cnt++;
|
|
|
|
|
|
|
|
if ((sc->gtt_cnt >= MAX_GTT_CNT) && !ath9k_hw_check_alive(ah)) {
|
|
|
|
type = RESET_TYPE_TX_GTT;
|
|
|
|
ath9k_queue_reset(sc, type);
|
|
|
|
atomic_inc(&ah->intr_ref_cnt);
|
2014-02-22 21:52:49 +08:00
|
|
|
ath_dbg(common, RESET,
|
2014-01-13 16:25:11 +08:00
|
|
|
"GTT: Skipping interrupts\n");
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-06-04 22:54:07 +08:00
|
|
|
spin_lock_irqsave(&sc->sc_pm_lock, flags);
|
2011-05-06 20:57:47 +08:00
|
|
|
if ((status & ATH9K_INT_TSFOOR) && sc->ps_enabled) {
|
|
|
|
/*
|
|
|
|
* TSF sync does not look correct; remain awake to sync with
|
|
|
|
* the next Beacon.
|
|
|
|
*/
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, PS, "TSFOOR - Sync with next Beacon\n");
|
2011-08-05 21:29:41 +08:00
|
|
|
sc->ps_flags |= PS_WAIT_FOR_BEACON | PS_BEACON_SYNC;
|
2011-05-06 20:57:47 +08:00
|
|
|
}
|
2012-06-04 22:54:07 +08:00
|
|
|
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
|
2011-05-06 20:57:47 +08:00
|
|
|
|
2010-04-16 05:38:48 +08:00
|
|
|
if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
|
|
|
|
rxmask = (ATH9K_INT_RXHP | ATH9K_INT_RXLP | ATH9K_INT_RXEOL |
|
|
|
|
ATH9K_INT_RXORN);
|
|
|
|
else
|
|
|
|
rxmask = (ATH9K_INT_RX | ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
|
|
|
|
|
|
|
|
if (status & rxmask) {
|
|
|
|
/* Check for high priority Rx first */
|
|
|
|
if ((ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
|
|
|
|
(status & ATH9K_INT_RXHP))
|
|
|
|
ath_rx_tasklet(sc, 0, true);
|
|
|
|
|
|
|
|
ath_rx_tasklet(sc, 0, false);
|
2008-11-24 14:37:55 +08:00
|
|
|
}
|
|
|
|
|
2010-04-16 05:39:36 +08:00
|
|
|
if (status & ATH9K_INT_TX) {
|
2014-01-13 16:25:11 +08:00
|
|
|
if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
|
|
|
|
/*
|
|
|
|
* For EDMA chips, TX completion is enabled for the
|
|
|
|
* beacon queue, so if a beacon has been transmitted
|
|
|
|
* successfully after a GTT interrupt, the GTT counter
|
|
|
|
* gets reset to zero here.
|
|
|
|
*/
|
2014-01-20 15:55:28 +08:00
|
|
|
sc->gtt_cnt = 0;
|
2014-01-13 16:25:11 +08:00
|
|
|
|
2010-04-16 05:39:36 +08:00
|
|
|
ath_tx_edma_tasklet(sc);
|
2014-01-13 16:25:11 +08:00
|
|
|
} else {
|
2010-04-16 05:39:36 +08:00
|
|
|
ath_tx_tasklet(sc);
|
2014-01-13 16:25:11 +08:00
|
|
|
}
|
2013-11-12 05:23:35 +08:00
|
|
|
|
|
|
|
wake_up(&sc->tx_wait);
|
2010-04-16 05:39:36 +08:00
|
|
|
}
|
2009-03-30 17:58:49 +08:00
|
|
|
|
2013-12-15 01:03:38 +08:00
|
|
|
if (status & ATH9K_INT_GENTIMER)
|
|
|
|
ath_gen_timer_isr(sc->sc_ah);
|
|
|
|
|
2012-02-22 15:10:32 +08:00
|
|
|
ath9k_btcoex_handle_interrupt(sc, status);
|
2011-11-30 13:11:28 +08:00
|
|
|
|
2008-11-24 14:37:55 +08:00
|
|
|
/* re-enable hardware interrupt */
|
2010-11-09 03:54:47 +08:00
|
|
|
ath9k_hw_enable_interrupts(ah);
|
2013-09-16 13:07:00 +08:00
|
|
|
out:
|
2010-12-23 23:36:57 +08:00
|
|
|
spin_unlock(&sc->sc_pcu_lock);
|
2009-05-15 14:47:16 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2008-11-24 14:37:55 +08:00
|
|
|
}
|
|
|
|
|
2009-01-15 03:17:06 +08:00
|
|
|
irqreturn_t ath_isr(int irq, void *dev)
|
2008-11-24 14:37:55 +08:00
|
|
|
{
|
2009-03-30 17:58:49 +08:00
|
|
|
#define SCHED_INTR ( \
|
|
|
|
ATH9K_INT_FATAL | \
|
2011-05-20 20:22:10 +08:00
|
|
|
ATH9K_INT_BB_WATCHDOG | \
|
2009-03-30 17:58:49 +08:00
|
|
|
ATH9K_INT_RXORN | \
|
|
|
|
ATH9K_INT_RXEOL | \
|
|
|
|
ATH9K_INT_RX | \
|
2010-04-16 05:38:48 +08:00
|
|
|
ATH9K_INT_RXLP | \
|
|
|
|
ATH9K_INT_RXHP | \
|
2009-03-30 17:58:49 +08:00
|
|
|
ATH9K_INT_TX | \
|
|
|
|
ATH9K_INT_BMISS | \
|
|
|
|
ATH9K_INT_CST | \
|
2014-01-13 16:25:11 +08:00
|
|
|
ATH9K_INT_GTT | \
|
2009-09-01 20:16:32 +08:00
|
|
|
ATH9K_INT_TSFOOR | \
|
2011-11-30 13:11:18 +08:00
|
|
|
ATH9K_INT_GENTIMER | \
|
|
|
|
ATH9K_INT_MCI)
|
2009-03-30 17:58:49 +08:00
|
|
|
|
2008-11-24 14:37:55 +08:00
|
|
|
struct ath_softc *sc = dev;
|
2009-02-09 15:57:12 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
2014-02-27 18:40:46 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2008-11-24 14:37:55 +08:00
|
|
|
enum ath9k_int status;
|
2013-12-28 12:17:15 +08:00
|
|
|
u32 sync_cause = 0;
|
2008-11-24 14:37:55 +08:00
|
|
|
bool sched = false;
|
|
|
|
|
2009-03-30 17:58:49 +08:00
|
|
|
/*
|
|
|
|
* The hardware is not ready/present, don't
|
|
|
|
* touch anything. Note this can happen early
|
|
|
|
* on if the IRQ is shared.
|
|
|
|
*/
|
2014-02-27 18:40:46 +08:00
|
|
|
if (test_bit(ATH_OP_INVALID, &common->op_flags))
|
2009-03-30 17:58:49 +08:00
|
|
|
return IRQ_NONE;
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2009-03-30 17:58:49 +08:00
|
|
|
/* shared irq, not for us */
|
|
|
|
|
2009-05-15 14:47:16 +08:00
|
|
|
if (!ath9k_hw_intrpend(ah))
|
2009-03-30 17:58:49 +08:00
|
|
|
return IRQ_NONE;
|
|
|
|
|
2014-02-27 18:40:46 +08:00
|
|
|
if (test_bit(ATH_OP_HW_RESET, &common->op_flags)) {
|
2012-08-08 22:25:03 +08:00
|
|
|
ath9k_hw_kill_interrupts(ah);
|
2012-06-04 22:54:01 +08:00
|
|
|
return IRQ_HANDLED;
|
2012-08-08 22:25:03 +08:00
|
|
|
}
|
2012-06-04 22:54:01 +08:00
|
|
|
|
2009-03-30 17:58:49 +08:00
|
|
|
/*
|
|
|
|
* Figure out the reason(s) for the interrupt. Note
|
|
|
|
* that the hal returns a pseudo-ISR that may include
|
|
|
|
* bits we haven't explicitly enabled so we mask the
|
|
|
|
* value to insure we only process bits we requested.
|
|
|
|
*/
|
2013-12-20 01:01:48 +08:00
|
|
|
ath9k_hw_getisr(ah, &status, &sync_cause); /* NB: clears ISR too */
|
|
|
|
ath9k_debug_sync_cause(sc, sync_cause);
|
2010-04-01 06:05:31 +08:00
|
|
|
status &= ah->imask; /* discard unasked-for bits */
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2009-03-30 17:58:49 +08:00
|
|
|
/*
|
|
|
|
* If there are no status bits set, then this interrupt was not
|
|
|
|
* for me (should have been caught above).
|
|
|
|
*/
|
2009-05-15 14:47:16 +08:00
|
|
|
if (!status)
|
2009-03-30 17:58:49 +08:00
|
|
|
return IRQ_NONE;
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2009-03-30 17:58:49 +08:00
|
|
|
/* Cache the status */
|
|
|
|
sc->intrstatus = status;
|
|
|
|
|
|
|
|
if (status & SCHED_INTR)
|
|
|
|
sched = true;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If a FATAL or RXORN interrupt is received, we have to reset the
|
|
|
|
* chip immediately.
|
|
|
|
*/
|
2010-04-16 05:38:48 +08:00
|
|
|
if ((status & ATH9K_INT_FATAL) || ((status & ATH9K_INT_RXORN) &&
|
|
|
|
!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)))
|
2009-03-30 17:58:49 +08:00
|
|
|
goto chip_reset;
|
|
|
|
|
2013-12-24 13:14:22 +08:00
|
|
|
if ((ah->config.hw_hang_checks & HW_BB_WATCHDOG) &&
|
2013-12-24 13:14:26 +08:00
|
|
|
(status & ATH9K_INT_BB_WATCHDOG))
|
2010-05-14 01:33:44 +08:00
|
|
|
goto chip_reset;
|
2013-10-28 14:52:04 +08:00
|
|
|
|
|
|
|
#ifdef CONFIG_ATH9K_WOW
|
2012-11-20 20:59:59 +08:00
|
|
|
if (status & ATH9K_INT_BMISS) {
|
|
|
|
if (atomic_read(&sc->wow_sleep_proc_intr) == 0) {
|
|
|
|
atomic_inc(&sc->wow_got_bmiss_intr);
|
|
|
|
atomic_dec(&sc->wow_sleep_proc_intr);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
2013-10-28 14:52:04 +08:00
|
|
|
|
2009-03-30 17:58:49 +08:00
|
|
|
if (status & ATH9K_INT_SWBA)
|
|
|
|
tasklet_schedule(&sc->bcon_tasklet);
|
|
|
|
|
|
|
|
if (status & ATH9K_INT_TXURN)
|
|
|
|
ath9k_hw_updatetxtriglevel(ah, true);
|
|
|
|
|
2011-08-13 12:58:09 +08:00
|
|
|
if (status & ATH9K_INT_RXEOL) {
|
|
|
|
ah->imask &= ~(ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
|
2011-10-09 02:06:19 +08:00
|
|
|
ath9k_hw_set_interrupts(ah);
|
2010-04-16 05:38:48 +08:00
|
|
|
}
|
|
|
|
|
2009-05-15 14:47:16 +08:00
|
|
|
if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
|
|
|
|
if (status & ATH9K_INT_TIM_TIMER) {
|
2010-12-08 07:13:22 +08:00
|
|
|
if (ATH_DBG_WARN_ON_ONCE(sc->ps_idle))
|
|
|
|
goto chip_reset;
|
2009-03-30 17:58:49 +08:00
|
|
|
/* Clear RxAbort bit so that we can
|
|
|
|
* receive frames */
|
2009-09-10 12:10:09 +08:00
|
|
|
ath9k_setpower(sc, ATH9K_PM_AWAKE);
|
2012-06-04 22:54:07 +08:00
|
|
|
spin_lock(&sc->sc_pm_lock);
|
2009-05-15 14:47:16 +08:00
|
|
|
ath9k_hw_setrxabort(sc->sc_ah, 0);
|
2010-01-08 13:06:05 +08:00
|
|
|
sc->ps_flags |= PS_WAIT_FOR_BEACON;
|
2012-06-04 22:54:07 +08:00
|
|
|
spin_unlock(&sc->sc_pm_lock);
|
2008-11-24 14:37:55 +08:00
|
|
|
}
|
2009-03-30 17:58:49 +08:00
|
|
|
|
|
|
|
chip_reset:
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2008-12-08 00:12:44 +08:00
|
|
|
ath_debug_stat_interrupt(sc, status);
|
|
|
|
|
2008-11-24 14:37:55 +08:00
|
|
|
if (sched) {
|
2010-11-09 03:54:47 +08:00
|
|
|
/* turn off every interrupt */
|
|
|
|
ath9k_hw_disable_interrupts(ah);
|
2008-11-24 14:37:55 +08:00
|
|
|
tasklet_schedule(&sc->intr_tq);
|
|
|
|
}
|
|
|
|
|
|
|
|
return IRQ_HANDLED;
|
2009-03-30 17:58:49 +08:00
|
|
|
|
|
|
|
#undef SCHED_INTR
|
2008-11-24 14:37:55 +08:00
|
|
|
}
|
|
|
|
|
2013-10-24 14:34:39 +08:00
|
|
|
int ath_reset(struct ath_softc *sc)
|
2008-11-24 14:37:55 +08:00
|
|
|
{
|
2013-10-05 20:09:30 +08:00
|
|
|
int r;
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2011-01-22 01:52:38 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2013-01-21 01:51:53 +08:00
|
|
|
r = ath_reset_internal(sc, NULL);
|
2011-01-22 01:52:38 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2009-12-14 19:04:56 +08:00
|
|
|
|
2008-12-24 07:58:40 +08:00
|
|
|
return r;
|
2008-11-24 14:37:55 +08:00
|
|
|
}
|
|
|
|
|
2012-07-17 19:46:42 +08:00
|
|
|
void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type)
|
|
|
|
{
|
2014-02-27 18:40:46 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
2012-07-17 19:46:42 +08:00
|
|
|
#ifdef CONFIG_ATH9K_DEBUGFS
|
|
|
|
RESET_STAT_INC(sc, type);
|
|
|
|
#endif
|
2014-02-27 18:40:46 +08:00
|
|
|
set_bit(ATH_OP_HW_RESET, &common->op_flags);
|
2012-07-17 19:46:42 +08:00
|
|
|
ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
|
|
|
|
}
|
|
|
|
|
2011-09-03 07:40:25 +08:00
|
|
|
void ath_reset_work(struct work_struct *work)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = container_of(work, struct ath_softc, hw_reset_work);
|
|
|
|
|
2013-01-21 01:51:53 +08:00
|
|
|
ath_reset(sc);
|
2011-09-03 07:40:25 +08:00
|
|
|
}
|
|
|
|
|
2008-11-24 14:37:55 +08:00
|
|
|
/**********************/
|
|
|
|
/* mac80211 callbacks */
|
|
|
|
/**********************/
|
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
static int ath9k_start(struct ieee80211_hw *hw)
|
2008-08-04 15:16:41 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2009-09-09 17:33:11 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
2009-09-13 17:42:02 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2013-03-25 23:26:57 +08:00
|
|
|
struct ieee80211_channel *curchan = hw->conf.chandef.chan;
|
2008-11-24 14:37:55 +08:00
|
|
|
struct ath9k_channel *init_channel;
|
2009-06-13 17:20:24 +08:00
|
|
|
int r;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, CONFIG,
|
2010-12-03 11:12:37 +08:00
|
|
|
"Starting driver with initial channel: %d MHz\n",
|
|
|
|
curchan->center_freq);
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-03-26 00:43:41 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
|
|
|
|
2013-10-12 05:30:57 +08:00
|
|
|
init_channel = ath9k_cmn_get_channel(hw, ah, &hw->conf.chandef);
|
2008-11-24 14:37:55 +08:00
|
|
|
|
|
|
|
/* Reset SERDES registers */
|
2011-08-05 19:10:32 +08:00
|
|
|
ath9k_hw_configpcipowersave(ah, false);
|
2008-11-24 14:37:55 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* The basic interface to setting the hardware in a good
|
|
|
|
* state is ``reset''. On return the hardware is known to
|
|
|
|
* be powered up and with interrupts disabled. This must
|
|
|
|
* be followed by initialization of the appropriate bits
|
|
|
|
* and then setup of the interrupt mask.
|
|
|
|
*/
|
2010-10-27 06:27:24 +08:00
|
|
|
spin_lock_bh(&sc->sc_pcu_lock);
|
2011-11-16 20:08:41 +08:00
|
|
|
|
|
|
|
atomic_set(&ah->intr_ref_cnt, -1);
|
|
|
|
|
2010-07-31 06:12:00 +08:00
|
|
|
r = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
|
2008-12-24 07:58:40 +08:00
|
|
|
if (r) {
|
2010-12-03 11:12:36 +08:00
|
|
|
ath_err(common,
|
|
|
|
"Unable to reset hardware; reset status %d (freq %u MHz)\n",
|
|
|
|
r, curchan->center_freq);
|
2012-10-04 03:07:51 +08:00
|
|
|
ah->reset_power_on = false;
|
2008-11-24 14:37:55 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Setup our intr mask. */
|
2010-04-16 05:38:48 +08:00
|
|
|
ah->imask = ATH9K_INT_TX | ATH9K_INT_RXEOL |
|
|
|
|
ATH9K_INT_RXORN | ATH9K_INT_FATAL |
|
|
|
|
ATH9K_INT_GLOBAL;
|
|
|
|
|
|
|
|
if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
|
2010-05-14 01:33:44 +08:00
|
|
|
ah->imask |= ATH9K_INT_RXHP |
|
2013-12-24 13:14:22 +08:00
|
|
|
ATH9K_INT_RXLP;
|
2010-04-16 05:38:48 +08:00
|
|
|
else
|
|
|
|
ah->imask |= ATH9K_INT_RX;
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2013-12-24 13:14:22 +08:00
|
|
|
if (ah->config.hw_hang_checks & HW_BB_WATCHDOG)
|
|
|
|
ah->imask |= ATH9K_INT_BB_WATCHDOG;
|
|
|
|
|
2014-01-13 16:25:11 +08:00
|
|
|
/*
|
|
|
|
* Enable GTT interrupts only for AR9003/AR9004 chips
|
|
|
|
* for now.
|
|
|
|
*/
|
|
|
|
if (AR_SREV_9300_20_OR_LATER(ah))
|
|
|
|
ah->imask |= ATH9K_INT_GTT;
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2009-09-09 17:33:11 +08:00
|
|
|
if (ah->caps.hw_caps & ATH9K_HW_CAP_HT)
|
2010-04-01 06:05:31 +08:00
|
|
|
ah->imask |= ATH9K_INT_CST;
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2012-06-04 18:57:19 +08:00
|
|
|
ath_mci_enable(sc);
|
2011-11-30 13:11:18 +08:00
|
|
|
|
2014-02-27 18:40:46 +08:00
|
|
|
clear_bit(ATH_OP_INVALID, &common->op_flags);
|
2010-10-27 21:01:15 +08:00
|
|
|
sc->sc_ah->is_monitoring = false;
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2012-10-04 03:07:51 +08:00
|
|
|
if (!ath_complete_reset(sc, false))
|
|
|
|
ah->reset_power_on = false;
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2011-11-16 20:08:41 +08:00
|
|
|
if (ah->led_pin >= 0) {
|
|
|
|
ath9k_hw_cfg_output(ah, ah->led_pin,
|
|
|
|
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
|
|
|
|
ath9k_hw_set_gpio(ah, ah->led_pin, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Reset key cache to sane defaults (all entries cleared) instead of
|
|
|
|
* semi-random values after suspend/resume.
|
|
|
|
*/
|
|
|
|
ath9k_cmn_init_crypto(sc->sc_ah);
|
|
|
|
|
2013-12-15 01:03:45 +08:00
|
|
|
ath9k_hw_reset_tsf(ah);
|
|
|
|
|
2011-09-03 07:40:26 +08:00
|
|
|
spin_unlock_bh(&sc->sc_pcu_lock);
|
2009-07-15 08:17:09 +08:00
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
|
|
|
|
2011-03-26 00:43:41 +08:00
|
|
|
ath9k_ps_restore(sc);
|
|
|
|
|
2012-10-04 03:07:51 +08:00
|
|
|
return 0;
|
2008-08-04 15:16:41 +08:00
|
|
|
}
|
|
|
|
|
2012-07-24 03:33:42 +08:00
|
|
|
static void ath9k_tx(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_tx_control *control,
|
|
|
|
struct sk_buff *skb)
|
2008-08-04 15:16:41 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2009-09-13 17:42:02 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
2008-10-29 12:44:26 +08:00
|
|
|
struct ath_tx_control txctl;
|
2009-11-24 22:49:18 +08:00
|
|
|
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
|
2012-06-04 22:54:07 +08:00
|
|
|
unsigned long flags;
|
2008-10-29 12:44:26 +08:00
|
|
|
|
2009-07-24 23:27:21 +08:00
|
|
|
if (sc->ps_enabled) {
|
2009-05-19 22:01:42 +08:00
|
|
|
/*
|
|
|
|
* mac80211 does not set PM field for normal data frames, so we
|
|
|
|
* need to update that based on the current PS mode.
|
|
|
|
*/
|
|
|
|
if (ieee80211_is_data(hdr->frame_control) &&
|
|
|
|
!ieee80211_is_nullfunc(hdr->frame_control) &&
|
|
|
|
!ieee80211_has_pm(hdr->frame_control)) {
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, PS,
|
2010-12-03 11:12:37 +08:00
|
|
|
"Add PM=1 for a TX frame while in PS mode\n");
|
2009-05-19 22:01:42 +08:00
|
|
|
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-04-24 12:53:20 +08:00
|
|
|
if (unlikely(sc->sc_ah->power_mode == ATH9K_PM_NETWORK_SLEEP)) {
|
2009-05-19 22:01:38 +08:00
|
|
|
/*
|
|
|
|
* We are using PS-Poll and mac80211 can request TX while in
|
|
|
|
* power save mode. Need to wake up hardware for the TX to be
|
|
|
|
* completed and if needed, also for RX of buffered frames.
|
|
|
|
*/
|
|
|
|
ath9k_ps_wakeup(sc);
|
2012-06-04 22:54:07 +08:00
|
|
|
spin_lock_irqsave(&sc->sc_pm_lock, flags);
|
2010-05-18 09:57:55 +08:00
|
|
|
if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
|
|
|
|
ath9k_hw_setrxabort(sc->sc_ah, 0);
|
2009-05-19 22:01:38 +08:00
|
|
|
if (ieee80211_is_pspoll(hdr->frame_control)) {
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, PS,
|
2010-12-03 11:12:37 +08:00
|
|
|
"Sending PS-Poll to pick a buffered frame\n");
|
2010-01-08 13:06:05 +08:00
|
|
|
sc->ps_flags |= PS_WAIT_FOR_PSPOLL_DATA;
|
2009-05-19 22:01:38 +08:00
|
|
|
} else {
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, PS, "Wake up to complete TX\n");
|
2010-01-08 13:06:05 +08:00
|
|
|
sc->ps_flags |= PS_WAIT_FOR_TX_ACK;
|
2009-05-19 22:01:38 +08:00
|
|
|
}
|
|
|
|
/*
|
|
|
|
* The actual restore operation will happen only after
|
2012-04-24 12:53:20 +08:00
|
|
|
* the ps_flags bit is cleared. We are just dropping
|
2009-05-19 22:01:38 +08:00
|
|
|
* the ps_usecount here.
|
|
|
|
*/
|
2012-06-04 22:54:07 +08:00
|
|
|
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
|
2009-05-19 22:01:38 +08:00
|
|
|
ath9k_ps_restore(sc);
|
|
|
|
}
|
|
|
|
|
2012-04-24 12:53:20 +08:00
|
|
|
/*
|
|
|
|
* Cannot tx while the hardware is in full sleep, it first needs a full
|
|
|
|
* chip reset to recover from that
|
|
|
|
*/
|
|
|
|
if (unlikely(sc->sc_ah->power_mode == ATH9K_PM_FULL_SLEEP)) {
|
|
|
|
ath_err(common, "TX while HW is in FULL_SLEEP mode\n");
|
|
|
|
goto exit;
|
|
|
|
}
|
|
|
|
|
2008-10-29 12:44:26 +08:00
|
|
|
memset(&txctl, 0, sizeof(struct ath_tx_control));
|
2010-11-07 21:59:39 +08:00
|
|
|
txctl.txq = sc->tx.txq_map[skb_get_queue_mapping(skb)];
|
2012-07-24 03:33:42 +08:00
|
|
|
txctl.sta = control->sta;
|
2008-10-29 12:44:26 +08:00
|
|
|
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, XMIT, "transmitting packet, skb: %p\n", skb);
|
2008-09-10 21:19:27 +08:00
|
|
|
|
2009-03-04 01:23:29 +08:00
|
|
|
if (ath_tx_start(hw, skb, &txctl) != 0) {
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, XMIT, "TX failed\n");
|
2012-04-04 00:16:55 +08:00
|
|
|
TX_STAT_INC(txctl.txq->axq_qnum, txfailed);
|
2008-10-29 12:44:26 +08:00
|
|
|
goto exit;
|
2008-09-10 21:19:27 +08:00
|
|
|
}
|
|
|
|
|
2011-02-24 21:42:06 +08:00
|
|
|
return;
|
2008-10-29 12:44:26 +08:00
|
|
|
exit:
|
2012-10-04 03:07:52 +08:00
|
|
|
ieee80211_free_txskb(hw, skb);
|
2008-08-04 15:16:41 +08:00
|
|
|
}
|
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
static void ath9k_stop(struct ieee80211_hw *hw)
|
2008-08-04 15:16:41 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2009-09-09 17:33:11 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
2009-09-13 17:42:02 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2011-11-16 20:08:41 +08:00
|
|
|
bool prev_idle;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2009-08-18 13:21:52 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
|
|
|
|
2011-09-03 07:40:26 +08:00
|
|
|
ath_cancel_work(sc);
|
2009-07-28 02:53:04 +08:00
|
|
|
|
2014-02-27 18:40:46 +08:00
|
|
|
if (test_bit(ATH_OP_INVALID, &common->op_flags)) {
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, ANY, "Device not present\n");
|
2009-08-18 13:21:52 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2008-10-29 12:47:13 +08:00
|
|
|
return;
|
|
|
|
}
|
2008-09-10 21:19:27 +08:00
|
|
|
|
2009-12-24 09:03:27 +08:00
|
|
|
/* Ensure HW is awake when we try to shut it down. */
|
|
|
|
ath9k_ps_wakeup(sc);
|
|
|
|
|
2010-10-27 06:27:25 +08:00
|
|
|
spin_lock_bh(&sc->sc_pcu_lock);
|
|
|
|
|
2011-01-25 21:08:40 +08:00
|
|
|
/* prevent tasklets to enable interrupts once we disable them */
|
|
|
|
ah->imask &= ~ATH9K_INT_GLOBAL;
|
|
|
|
|
2008-11-24 14:37:55 +08:00
|
|
|
/* make sure h/w will not generate any interrupt
|
|
|
|
* before setting the invalid flag. */
|
2010-11-09 03:54:47 +08:00
|
|
|
ath9k_hw_disable_interrupts(ah);
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2011-11-16 20:08:41 +08:00
|
|
|
spin_unlock_bh(&sc->sc_pcu_lock);
|
|
|
|
|
|
|
|
/* we can now sync irq and kill any running tasklets, since we already
|
|
|
|
* disabled interrupts and not holding a spin lock */
|
|
|
|
synchronize_irq(sc->irq);
|
|
|
|
tasklet_kill(&sc->intr_tq);
|
|
|
|
tasklet_kill(&sc->bcon_tasklet);
|
|
|
|
|
|
|
|
prev_idle = sc->ps_idle;
|
|
|
|
sc->ps_idle = true;
|
|
|
|
|
|
|
|
spin_lock_bh(&sc->sc_pcu_lock);
|
|
|
|
|
|
|
|
if (ah->led_pin >= 0) {
|
|
|
|
ath9k_hw_set_gpio(ah, ah->led_pin, 1);
|
|
|
|
ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
|
|
|
|
}
|
|
|
|
|
2013-01-29 02:54:03 +08:00
|
|
|
ath_prepare_reset(sc);
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2011-01-27 01:23:27 +08:00
|
|
|
if (sc->rx.frag) {
|
|
|
|
dev_kfree_skb_any(sc->rx.frag);
|
|
|
|
sc->rx.frag = NULL;
|
|
|
|
}
|
|
|
|
|
2011-11-16 20:08:41 +08:00
|
|
|
if (!ah->curchan)
|
2013-10-12 05:30:57 +08:00
|
|
|
ah->curchan = ath9k_cmn_get_channel(hw, ah, &hw->conf.chandef);
|
2010-10-27 06:27:25 +08:00
|
|
|
|
2011-11-16 20:08:41 +08:00
|
|
|
ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
|
|
|
|
ath9k_hw_phy_disable(ah);
|
2010-10-27 06:27:25 +08:00
|
|
|
|
2011-11-16 20:08:41 +08:00
|
|
|
ath9k_hw_configpcipowersave(ah, true);
|
2011-01-25 21:08:40 +08:00
|
|
|
|
2011-11-16 20:08:41 +08:00
|
|
|
spin_unlock_bh(&sc->sc_pcu_lock);
|
2009-12-24 09:03:27 +08:00
|
|
|
|
2011-11-16 20:08:41 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2008-11-24 14:37:55 +08:00
|
|
|
|
2014-02-27 18:40:46 +08:00
|
|
|
set_bit(ATH_OP_INVALID, &common->op_flags);
|
2011-11-16 20:08:41 +08:00
|
|
|
sc->ps_idle = prev_idle;
|
2008-09-10 21:20:17 +08:00
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
|
|
|
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, CONFIG, "Driver halt\n");
|
2008-08-04 15:16:41 +08:00
|
|
|
}
|
|
|
|
|
2013-10-12 05:31:00 +08:00
|
|
|
static bool ath9k_uses_beacons(int type)
|
2011-01-16 03:13:48 +08:00
|
|
|
{
|
|
|
|
switch (type) {
|
|
|
|
case NL80211_IFTYPE_AP:
|
|
|
|
case NL80211_IFTYPE_ADHOC:
|
|
|
|
case NL80211_IFTYPE_MESH_POINT:
|
|
|
|
return true;
|
|
|
|
default:
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ath9k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
|
|
|
|
{
|
|
|
|
struct ath9k_vif_iter_data *iter_data = data;
|
|
|
|
int i;
|
|
|
|
|
2013-04-16 18:51:57 +08:00
|
|
|
if (iter_data->has_hw_macaddr) {
|
2011-01-16 03:13:48 +08:00
|
|
|
for (i = 0; i < ETH_ALEN; i++)
|
|
|
|
iter_data->mask[i] &=
|
|
|
|
~(iter_data->hw_macaddr[i] ^ mac[i]);
|
2013-04-16 18:51:57 +08:00
|
|
|
} else {
|
|
|
|
memcpy(iter_data->hw_macaddr, mac, ETH_ALEN);
|
|
|
|
iter_data->has_hw_macaddr = true;
|
|
|
|
}
|
2009-02-04 10:40:07 +08:00
|
|
|
|
2009-12-23 20:15:45 +08:00
|
|
|
switch (vif->type) {
|
2011-01-16 03:13:48 +08:00
|
|
|
case NL80211_IFTYPE_AP:
|
|
|
|
iter_data->naps++;
|
2008-08-04 15:16:41 +08:00
|
|
|
break;
|
2011-01-16 03:13:48 +08:00
|
|
|
case NL80211_IFTYPE_STATION:
|
|
|
|
iter_data->nstations++;
|
2010-10-01 23:20:39 +08:00
|
|
|
break;
|
2008-09-11 06:01:58 +08:00
|
|
|
case NL80211_IFTYPE_ADHOC:
|
2011-01-16 03:13:48 +08:00
|
|
|
iter_data->nadhocs++;
|
|
|
|
break;
|
2009-03-21 10:59:59 +08:00
|
|
|
case NL80211_IFTYPE_MESH_POINT:
|
2011-01-16 03:13:48 +08:00
|
|
|
iter_data->nmeshes++;
|
|
|
|
break;
|
|
|
|
case NL80211_IFTYPE_WDS:
|
|
|
|
iter_data->nwds++;
|
2008-08-04 15:16:41 +08:00
|
|
|
break;
|
|
|
|
default:
|
2011-01-16 03:13:48 +08:00
|
|
|
break;
|
2008-08-04 15:16:41 +08:00
|
|
|
}
|
2011-01-16 03:13:48 +08:00
|
|
|
}
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2012-07-17 19:46:36 +08:00
|
|
|
static void ath9k_sta_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = data;
|
|
|
|
struct ath_vif *avp = (void *)vif->drv_priv;
|
|
|
|
|
|
|
|
if (vif->type != NL80211_IFTYPE_STATION)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (avp->primary_sta_vif)
|
|
|
|
ath9k_set_assoc_state(sc, vif);
|
|
|
|
}
|
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
/* Called with sc->mutex held. */
|
|
|
|
void ath9k_calculate_iter_data(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
struct ath9k_vif_iter_data *iter_data)
|
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2011-01-16 03:13:48 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2008-09-10 21:19:27 +08:00
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
/*
|
2013-11-28 19:21:45 +08:00
|
|
|
* Pick the MAC address of the first interface as the new hardware
|
|
|
|
* MAC address. The hardware will use it together with the BSSID mask
|
|
|
|
* when matching addresses.
|
2011-01-16 03:13:48 +08:00
|
|
|
*/
|
|
|
|
memset(iter_data, 0, sizeof(*iter_data));
|
|
|
|
memset(&iter_data->mask, 0xff, ETH_ALEN);
|
2008-10-29 12:46:06 +08:00
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
if (vif)
|
|
|
|
ath9k_vif_iter(iter_data, vif->addr, vif);
|
|
|
|
|
|
|
|
/* Get list of all active MAC addresses */
|
2012-11-07 03:23:30 +08:00
|
|
|
ieee80211_iterate_active_interfaces_atomic(
|
|
|
|
sc->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
|
|
|
|
ath9k_vif_iter, iter_data);
|
2013-04-16 18:51:57 +08:00
|
|
|
|
|
|
|
memcpy(common->macaddr, iter_data->hw_macaddr, ETH_ALEN);
|
2011-01-16 03:13:48 +08:00
|
|
|
}
|
2009-03-04 01:23:27 +08:00
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
/* Called with sc->mutex held. */
|
|
|
|
static void ath9k_calculate_summary_state(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif)
|
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2011-01-16 03:13:48 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
|
|
struct ath9k_vif_iter_data iter_data;
|
2012-07-17 19:46:36 +08:00
|
|
|
enum nl80211_iftype old_opmode = ah->opmode;
|
2009-03-04 01:23:27 +08:00
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
ath9k_calculate_iter_data(hw, vif, &iter_data);
|
2009-03-04 01:23:26 +08:00
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
|
|
|
|
ath_hw_setbssidmask(common);
|
|
|
|
|
|
|
|
if (iter_data.naps > 0) {
|
2012-07-17 19:45:37 +08:00
|
|
|
ath9k_hw_set_tsfadjust(ah, true);
|
2011-01-16 03:13:48 +08:00
|
|
|
ah->opmode = NL80211_IFTYPE_AP;
|
|
|
|
} else {
|
2012-07-17 19:45:37 +08:00
|
|
|
ath9k_hw_set_tsfadjust(ah, false);
|
2008-10-29 12:46:06 +08:00
|
|
|
|
2011-05-04 07:57:19 +08:00
|
|
|
if (iter_data.nmeshes)
|
|
|
|
ah->opmode = NL80211_IFTYPE_MESH_POINT;
|
|
|
|
else if (iter_data.nwds)
|
2011-01-16 03:13:48 +08:00
|
|
|
ah->opmode = NL80211_IFTYPE_AP;
|
|
|
|
else if (iter_data.nadhocs)
|
|
|
|
ah->opmode = NL80211_IFTYPE_ADHOC;
|
|
|
|
else
|
|
|
|
ah->opmode = NL80211_IFTYPE_STATION;
|
|
|
|
}
|
2008-10-29 12:46:06 +08:00
|
|
|
|
2012-07-17 19:45:43 +08:00
|
|
|
ath9k_hw_setopmode(ah);
|
|
|
|
|
2012-06-15 21:25:25 +08:00
|
|
|
if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0)
|
2010-04-01 06:05:31 +08:00
|
|
|
ah->imask |= ATH9K_INT_TSFOOR;
|
2012-06-15 21:25:25 +08:00
|
|
|
else
|
2011-01-16 03:13:48 +08:00
|
|
|
ah->imask &= ~ATH9K_INT_TSFOOR;
|
2009-02-12 12:36:47 +08:00
|
|
|
|
2011-10-09 02:06:19 +08:00
|
|
|
ath9k_hw_set_interrupts(ah);
|
2012-07-17 19:46:36 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* If we are changing the opmode to STATION,
|
|
|
|
* a beacon sync needs to be done.
|
|
|
|
*/
|
|
|
|
if (ah->opmode == NL80211_IFTYPE_STATION &&
|
|
|
|
old_opmode == NL80211_IFTYPE_AP &&
|
2014-02-27 18:40:46 +08:00
|
|
|
test_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags)) {
|
2012-11-07 03:23:30 +08:00
|
|
|
ieee80211_iterate_active_interfaces_atomic(
|
|
|
|
sc->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
|
|
|
|
ath9k_sta_vif_iter, sc);
|
2012-07-17 19:46:36 +08:00
|
|
|
}
|
2011-01-16 03:13:48 +08:00
|
|
|
}
|
2008-10-04 06:45:27 +08:00
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
static int ath9k_add_interface(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif)
|
2010-12-08 22:08:55 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2011-01-16 03:13:48 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2013-08-06 20:18:13 +08:00
|
|
|
struct ath_vif *avp = (void *)vif->drv_priv;
|
|
|
|
struct ath_node *an = &avp->mcast_node;
|
2010-12-08 22:08:55 +08:00
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
2010-12-08 22:08:55 +08:00
|
|
|
|
2013-10-15 08:42:11 +08:00
|
|
|
if (config_enabled(CONFIG_ATH9K_TX99)) {
|
|
|
|
if (sc->nvifs >= 1) {
|
|
|
|
mutex_unlock(&sc->mutex);
|
|
|
|
return -EOPNOTSUPP;
|
|
|
|
}
|
|
|
|
sc->tx99_vif = vif;
|
|
|
|
}
|
|
|
|
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, CONFIG, "Attach a VIF of type: %d\n", vif->type);
|
2011-01-16 03:13:48 +08:00
|
|
|
sc->nvifs++;
|
|
|
|
|
2012-09-04 22:03:36 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2012-07-17 19:45:30 +08:00
|
|
|
ath9k_calculate_summary_state(hw, vif);
|
2012-09-04 22:03:36 +08:00
|
|
|
ath9k_ps_restore(sc);
|
|
|
|
|
2012-07-17 19:45:30 +08:00
|
|
|
if (ath9k_uses_beacons(vif->type))
|
|
|
|
ath9k_beacon_assign_slot(sc, vif);
|
|
|
|
|
2014-04-06 06:37:03 +08:00
|
|
|
avp->vif = vif;
|
|
|
|
|
2013-08-06 20:18:13 +08:00
|
|
|
an->sc = sc;
|
|
|
|
an->sta = NULL;
|
|
|
|
an->vif = vif;
|
|
|
|
an->no_ps_filter = true;
|
|
|
|
ath_tx_node_init(sc, an);
|
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2012-09-04 22:03:36 +08:00
|
|
|
return 0;
|
2010-12-08 22:08:55 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static int ath9k_change_interface(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
enum nl80211_iftype new_type,
|
|
|
|
bool p2p)
|
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2010-12-08 22:08:55 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
|
|
|
|
|
|
mutex_lock(&sc->mutex);
|
2011-01-16 03:13:48 +08:00
|
|
|
|
2013-10-15 08:42:11 +08:00
|
|
|
if (config_enabled(CONFIG_ATH9K_TX99)) {
|
|
|
|
mutex_unlock(&sc->mutex);
|
|
|
|
return -EOPNOTSUPP;
|
|
|
|
}
|
|
|
|
|
|
|
|
ath_dbg(common, CONFIG, "Change Interface\n");
|
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
if (ath9k_uses_beacons(vif->type))
|
2012-07-17 19:45:30 +08:00
|
|
|
ath9k_beacon_remove_slot(sc, vif);
|
2011-01-16 03:13:48 +08:00
|
|
|
|
2010-12-08 22:08:55 +08:00
|
|
|
vif->type = new_type;
|
|
|
|
vif->p2p = p2p;
|
|
|
|
|
2012-09-04 22:03:36 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2012-07-17 19:45:30 +08:00
|
|
|
ath9k_calculate_summary_state(hw, vif);
|
2012-09-04 22:03:36 +08:00
|
|
|
ath9k_ps_restore(sc);
|
|
|
|
|
2012-07-17 19:45:30 +08:00
|
|
|
if (ath9k_uses_beacons(vif->type))
|
|
|
|
ath9k_beacon_assign_slot(sc, vif);
|
|
|
|
|
2010-12-08 22:08:55 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2012-09-04 22:03:36 +08:00
|
|
|
return 0;
|
2010-12-08 22:08:55 +08:00
|
|
|
}
|
|
|
|
|
2014-04-06 06:37:03 +08:00
|
|
|
static void
|
|
|
|
ath9k_update_p2p_ps_timer(struct ath_softc *sc, struct ath_vif *avp)
|
|
|
|
{
|
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
s32 tsf, target_tsf;
|
|
|
|
|
|
|
|
if (!avp || !avp->noa.has_next_tsf)
|
|
|
|
return;
|
|
|
|
|
|
|
|
ath9k_hw_gen_timer_stop(ah, sc->p2p_ps_timer);
|
|
|
|
|
|
|
|
tsf = ath9k_hw_gettsf32(sc->sc_ah);
|
|
|
|
|
|
|
|
target_tsf = avp->noa.next_tsf;
|
|
|
|
if (!avp->noa.absent)
|
|
|
|
target_tsf -= ATH_P2P_PS_STOP_TIME;
|
|
|
|
|
|
|
|
if (target_tsf - tsf < ATH_P2P_PS_STOP_TIME)
|
|
|
|
target_tsf = tsf + ATH_P2P_PS_STOP_TIME;
|
|
|
|
|
|
|
|
ath9k_hw_gen_timer_start(ah, sc->p2p_ps_timer, (u32) target_tsf, 1000000);
|
|
|
|
}
|
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
static void ath9k_remove_interface(struct ieee80211_hw *hw,
|
2009-12-23 20:15:45 +08:00
|
|
|
struct ieee80211_vif *vif)
|
2008-08-04 15:16:41 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2009-09-13 17:42:02 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
2013-08-06 20:18:13 +08:00
|
|
|
struct ath_vif *avp = (void *)vif->drv_priv;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, CONFIG, "Detach Interface\n");
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
|
|
|
|
2014-04-06 06:37:03 +08:00
|
|
|
spin_lock_bh(&sc->sc_pcu_lock);
|
|
|
|
if (avp == sc->p2p_ps_vif) {
|
|
|
|
sc->p2p_ps_vif = NULL;
|
|
|
|
ath9k_update_p2p_ps_timer(sc, NULL);
|
|
|
|
}
|
|
|
|
spin_unlock_bh(&sc->sc_pcu_lock);
|
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
sc->nvifs--;
|
2013-10-15 08:42:11 +08:00
|
|
|
sc->tx99_vif = NULL;
|
2008-08-11 19:01:49 +08:00
|
|
|
|
2011-01-16 03:13:48 +08:00
|
|
|
if (ath9k_uses_beacons(vif->type))
|
2012-07-17 19:45:30 +08:00
|
|
|
ath9k_beacon_remove_slot(sc, vif);
|
2009-03-04 01:23:26 +08:00
|
|
|
|
2012-09-04 22:03:36 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2011-01-16 03:13:48 +08:00
|
|
|
ath9k_calculate_summary_state(hw, NULL);
|
2012-09-04 22:03:36 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
|
2013-08-06 20:18:13 +08:00
|
|
|
ath_tx_node_cleanup(sc, &avp->mcast_node);
|
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2008-08-04 15:16:41 +08:00
|
|
|
}
|
|
|
|
|
2010-10-05 23:06:40 +08:00
|
|
|
static void ath9k_enable_ps(struct ath_softc *sc)
|
2010-02-04 01:21:13 +08:00
|
|
|
{
|
2010-04-01 06:05:31 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
2012-04-24 12:53:20 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2010-04-01 06:05:31 +08:00
|
|
|
|
2013-10-15 08:42:11 +08:00
|
|
|
if (config_enabled(CONFIG_ATH9K_TX99))
|
|
|
|
return;
|
|
|
|
|
2010-02-04 01:21:13 +08:00
|
|
|
sc->ps_enabled = true;
|
2010-04-01 06:05:31 +08:00
|
|
|
if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
|
|
|
|
if ((ah->imask & ATH9K_INT_TIM_TIMER) == 0) {
|
|
|
|
ah->imask |= ATH9K_INT_TIM_TIMER;
|
2011-10-09 02:06:19 +08:00
|
|
|
ath9k_hw_set_interrupts(ah);
|
2010-02-04 01:21:13 +08:00
|
|
|
}
|
2010-05-18 09:57:55 +08:00
|
|
|
ath9k_hw_setrxabort(ah, 1);
|
2010-02-04 01:21:13 +08:00
|
|
|
}
|
2012-04-24 12:53:20 +08:00
|
|
|
ath_dbg(common, PS, "PowerSave enabled\n");
|
2010-02-04 01:21:13 +08:00
|
|
|
}
|
|
|
|
|
2010-10-05 23:06:41 +08:00
|
|
|
static void ath9k_disable_ps(struct ath_softc *sc)
|
|
|
|
{
|
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
2012-04-24 12:53:20 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2010-10-05 23:06:41 +08:00
|
|
|
|
2013-10-15 08:42:11 +08:00
|
|
|
if (config_enabled(CONFIG_ATH9K_TX99))
|
|
|
|
return;
|
|
|
|
|
2010-10-05 23:06:41 +08:00
|
|
|
sc->ps_enabled = false;
|
|
|
|
ath9k_hw_setpower(ah, ATH9K_PM_AWAKE);
|
|
|
|
if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
|
|
|
|
ath9k_hw_setrxabort(ah, 0);
|
|
|
|
sc->ps_flags &= ~(PS_WAIT_FOR_BEACON |
|
|
|
|
PS_WAIT_FOR_CAB |
|
|
|
|
PS_WAIT_FOR_PSPOLL_DATA |
|
|
|
|
PS_WAIT_FOR_TX_ACK);
|
|
|
|
if (ah->imask & ATH9K_INT_TIM_TIMER) {
|
|
|
|
ah->imask &= ~ATH9K_INT_TIM_TIMER;
|
2011-10-09 02:06:19 +08:00
|
|
|
ath9k_hw_set_interrupts(ah);
|
2010-10-05 23:06:41 +08:00
|
|
|
}
|
|
|
|
}
|
2012-04-24 12:53:20 +08:00
|
|
|
ath_dbg(common, PS, "PowerSave disabled\n");
|
2010-10-05 23:06:41 +08:00
|
|
|
}
|
|
|
|
|
2013-01-08 21:48:58 +08:00
|
|
|
void ath9k_spectral_scan_trigger(struct ieee80211_hw *hw)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = hw->priv;
|
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
|
|
u32 rxfilter;
|
|
|
|
|
2013-10-15 08:42:11 +08:00
|
|
|
if (config_enabled(CONFIG_ATH9K_TX99))
|
|
|
|
return;
|
|
|
|
|
2013-01-08 21:48:58 +08:00
|
|
|
if (!ath9k_hw_ops(ah)->spectral_scan_trigger) {
|
|
|
|
ath_err(common, "spectrum analyzer not implemented on this hardware\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
ath9k_ps_wakeup(sc);
|
|
|
|
rxfilter = ath9k_hw_getrxfilter(ah);
|
|
|
|
ath9k_hw_setrxfilter(ah, rxfilter |
|
|
|
|
ATH9K_RX_FILTER_PHYRADAR |
|
|
|
|
ATH9K_RX_FILTER_PHYERR);
|
|
|
|
|
|
|
|
/* TODO: usually this should not be neccesary, but for some reason
|
|
|
|
* (or in some mode?) the trigger must be called after the
|
|
|
|
* configuration, otherwise the register will have its values reset
|
|
|
|
* (on my ar9220 to value 0x01002310)
|
|
|
|
*/
|
|
|
|
ath9k_spectral_scan_config(hw, sc->spectral_mode);
|
|
|
|
ath9k_hw_ops(ah)->spectral_scan_trigger(ah);
|
|
|
|
ath9k_ps_restore(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
int ath9k_spectral_scan_config(struct ieee80211_hw *hw,
|
|
|
|
enum spectral_mode spectral_mode)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = hw->priv;
|
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
|
|
|
|
|
|
if (!ath9k_hw_ops(ah)->spectral_scan_trigger) {
|
|
|
|
ath_err(common, "spectrum analyzer not implemented on this hardware\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (spectral_mode) {
|
|
|
|
case SPECTRAL_DISABLED:
|
2013-01-24 00:38:04 +08:00
|
|
|
sc->spec_config.enabled = 0;
|
2013-01-08 21:48:58 +08:00
|
|
|
break;
|
|
|
|
case SPECTRAL_BACKGROUND:
|
|
|
|
/* send endless samples.
|
|
|
|
* TODO: is this really useful for "background"?
|
|
|
|
*/
|
2013-01-24 00:38:04 +08:00
|
|
|
sc->spec_config.endless = 1;
|
|
|
|
sc->spec_config.enabled = 1;
|
2013-01-08 21:48:58 +08:00
|
|
|
break;
|
|
|
|
case SPECTRAL_CHANSCAN:
|
|
|
|
case SPECTRAL_MANUAL:
|
2013-01-24 00:38:04 +08:00
|
|
|
sc->spec_config.endless = 0;
|
|
|
|
sc->spec_config.enabled = 1;
|
2013-01-08 21:48:58 +08:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ath9k_ps_wakeup(sc);
|
2013-01-24 00:38:04 +08:00
|
|
|
ath9k_hw_ops(ah)->spectral_scan_config(ah, &sc->spec_config);
|
2013-01-08 21:48:58 +08:00
|
|
|
ath9k_ps_restore(sc);
|
|
|
|
|
|
|
|
sc->spectral_mode = spectral_mode;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-10-09 18:18:51 +08:00
|
|
|
static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
|
2008-08-04 15:16:41 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2010-10-11 00:21:52 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2008-10-09 18:18:51 +08:00
|
|
|
struct ieee80211_conf *conf = &hw->conf;
|
2012-04-13 02:36:31 +08:00
|
|
|
bool reset_channel = false;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-11-16 20:08:41 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2008-12-18 14:10:16 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
2009-02-04 10:40:07 +08:00
|
|
|
|
2011-11-16 20:08:43 +08:00
|
|
|
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
|
2011-01-25 02:23:16 +08:00
|
|
|
sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
|
2012-07-01 22:23:53 +08:00
|
|
|
if (sc->ps_idle) {
|
2011-11-16 20:08:43 +08:00
|
|
|
ath_cancel_work(sc);
|
2012-07-01 22:23:53 +08:00
|
|
|
ath9k_stop_btcoex(sc);
|
|
|
|
} else {
|
|
|
|
ath9k_start_btcoex(sc);
|
2012-04-13 02:36:31 +08:00
|
|
|
/*
|
|
|
|
* The chip needs a reset to properly wake up from
|
|
|
|
* full sleep
|
|
|
|
*/
|
|
|
|
reset_channel = ah->chip_fullsleep;
|
2012-07-01 22:23:53 +08:00
|
|
|
}
|
2011-11-16 20:08:43 +08:00
|
|
|
}
|
2009-07-15 08:22:53 +08:00
|
|
|
|
2009-11-24 15:53:25 +08:00
|
|
|
/*
|
|
|
|
* We just prepare to enable PS. We have to wait until our AP has
|
|
|
|
* ACK'd our null data frame to disable RX otherwise we'll ignore
|
|
|
|
* those ACKs and end up retransmitting the same null data frames.
|
|
|
|
* IEEE80211_CONF_CHANGE_PS is only passed by mac80211 for STA mode.
|
|
|
|
*/
|
2009-01-20 13:47:08 +08:00
|
|
|
if (changed & IEEE80211_CONF_CHANGE_PS) {
|
2010-09-17 03:12:26 +08:00
|
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&sc->sc_pm_lock, flags);
|
2010-10-05 23:06:40 +08:00
|
|
|
if (conf->flags & IEEE80211_CONF_PS)
|
|
|
|
ath9k_enable_ps(sc);
|
2010-10-05 23:06:41 +08:00
|
|
|
else
|
|
|
|
ath9k_disable_ps(sc);
|
2010-09-17 03:12:26 +08:00
|
|
|
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
|
2009-01-20 13:47:08 +08:00
|
|
|
}
|
|
|
|
|
2010-01-08 13:06:13 +08:00
|
|
|
if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
|
|
|
|
if (conf->flags & IEEE80211_CONF_MONITOR) {
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, CONFIG, "Monitor mode is enabled\n");
|
2010-10-27 21:01:15 +08:00
|
|
|
sc->sc_ah->is_monitoring = true;
|
|
|
|
} else {
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, CONFIG, "Monitor mode is disabled\n");
|
2010-10-27 21:01:15 +08:00
|
|
|
sc->sc_ah->is_monitoring = false;
|
2010-01-08 13:06:13 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-04-13 02:36:31 +08:00
|
|
|
if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) {
|
2013-10-12 05:30:58 +08:00
|
|
|
if (ath_set_channel(sc, &hw->conf.chandef) < 0) {
|
2010-12-03 11:12:36 +08:00
|
|
|
ath_err(common, "Unable to set channel\n");
|
2008-12-18 14:10:16 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2012-06-11 14:49:30 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2008-11-27 12:16:27 +08:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
2008-12-12 14:27:43 +08:00
|
|
|
}
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2010-01-20 03:04:19 +08:00
|
|
|
if (changed & IEEE80211_CONF_CHANGE_POWER) {
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, CONFIG, "Set power: %d\n", conf->power_level);
|
2009-02-09 15:57:03 +08:00
|
|
|
sc->config.txpowlimit = 2 * conf->power_level;
|
2011-02-01 02:17:44 +08:00
|
|
|
ath9k_cmn_update_txpow(ah, sc->curtxpow,
|
|
|
|
sc->config.txpowlimit, &sc->curtxpow);
|
2009-07-15 08:22:53 +08:00
|
|
|
}
|
|
|
|
|
2008-12-18 14:10:16 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2011-11-16 20:08:41 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
|
2008-08-04 15:16:41 +08:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
#define SUPPORTED_FILTERS \
|
|
|
|
(FIF_PROMISC_IN_BSS | \
|
|
|
|
FIF_ALLMULTI | \
|
|
|
|
FIF_CONTROL | \
|
2009-08-09 09:55:16 +08:00
|
|
|
FIF_PSPOLL | \
|
2008-09-10 21:19:27 +08:00
|
|
|
FIF_OTHER_BSS | \
|
|
|
|
FIF_BCN_PRBRESP_PROMISC | \
|
2010-10-13 22:29:31 +08:00
|
|
|
FIF_PROBE_REQ | \
|
2008-09-10 21:19:27 +08:00
|
|
|
FIF_FCSFAIL)
|
2008-08-25 23:17:29 +08:00
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
/* FIXME: sc->sc_full_reset ? */
|
|
|
|
static void ath9k_configure_filter(struct ieee80211_hw *hw,
|
|
|
|
unsigned int changed_flags,
|
|
|
|
unsigned int *total_flags,
|
2009-08-17 22:16:53 +08:00
|
|
|
u64 multicast)
|
2008-09-10 21:19:27 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2008-09-10 21:19:27 +08:00
|
|
|
u32 rfilt;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
changed_flags &= SUPPORTED_FILTERS;
|
|
|
|
*total_flags &= SUPPORTED_FILTERS;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2008-12-08 00:14:03 +08:00
|
|
|
sc->rx.rxfilter = *total_flags;
|
2009-05-19 22:01:41 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2008-09-10 21:19:27 +08:00
|
|
|
rfilt = ath_calcrxfilter(sc);
|
|
|
|
ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
|
2009-05-19 22:01:41 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(ath9k_hw_common(sc->sc_ah), CONFIG, "Set HW RX filter: 0x%x\n",
|
|
|
|
rfilt);
|
2008-09-10 21:19:27 +08:00
|
|
|
}
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2010-02-20 02:06:56 +08:00
|
|
|
static int ath9k_sta_add(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
struct ieee80211_sta *sta)
|
2008-09-10 21:19:27 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2011-04-18 05:28:10 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
|
|
struct ath_node *an = (struct ath_node *) sta->drv_priv;
|
|
|
|
struct ieee80211_key_conf ps_key = { };
|
2013-04-27 17:47:01 +08:00
|
|
|
int key;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-11-04 02:33:13 +08:00
|
|
|
ath_node_attach(sc, sta, vif);
|
2011-05-11 02:52:22 +08:00
|
|
|
|
|
|
|
if (vif->type != NL80211_IFTYPE_AP &&
|
|
|
|
vif->type != NL80211_IFTYPE_AP_VLAN)
|
|
|
|
return 0;
|
|
|
|
|
2013-04-27 17:47:01 +08:00
|
|
|
key = ath_key_config(common, vif, sta, &ps_key);
|
2014-05-22 15:05:49 +08:00
|
|
|
if (key > 0) {
|
2013-04-27 17:47:01 +08:00
|
|
|
an->ps_key = key;
|
2014-05-22 15:05:49 +08:00
|
|
|
an->key_idx[0] = key;
|
|
|
|
}
|
2010-02-20 02:06:56 +08:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-04-18 05:28:10 +08:00
|
|
|
static void ath9k_del_ps_key(struct ath_softc *sc,
|
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
struct ieee80211_sta *sta)
|
|
|
|
{
|
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
|
|
struct ath_node *an = (struct ath_node *) sta->drv_priv;
|
|
|
|
struct ieee80211_key_conf ps_key = { .hw_key_idx = an->ps_key };
|
|
|
|
|
|
|
|
if (!an->ps_key)
|
|
|
|
return;
|
|
|
|
|
|
|
|
ath_key_delete(common, &ps_key);
|
2013-04-27 17:47:01 +08:00
|
|
|
an->ps_key = 0;
|
2014-05-22 15:05:49 +08:00
|
|
|
an->key_idx[0] = 0;
|
2011-04-18 05:28:10 +08:00
|
|
|
}
|
|
|
|
|
2010-02-20 02:06:56 +08:00
|
|
|
static int ath9k_sta_remove(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
struct ieee80211_sta *sta)
|
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2010-02-20 02:06:56 +08:00
|
|
|
|
2011-04-18 05:28:10 +08:00
|
|
|
ath9k_del_ps_key(sc, vif, sta);
|
2010-02-20 02:06:56 +08:00
|
|
|
ath_node_detach(sc, sta);
|
|
|
|
|
|
|
|
return 0;
|
2008-08-04 15:16:41 +08:00
|
|
|
}
|
|
|
|
|
2014-05-22 15:05:49 +08:00
|
|
|
static void ath9k_sta_set_tx_filter(struct ath_hw *ah,
|
|
|
|
struct ath_node *an,
|
|
|
|
bool set)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(an->key_idx); i++) {
|
|
|
|
if (!an->key_idx[i])
|
|
|
|
continue;
|
|
|
|
ath9k_hw_set_tx_filter(ah, an->key_idx[i], set);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-04-18 05:28:09 +08:00
|
|
|
static void ath9k_sta_notify(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
enum sta_notify_cmd cmd,
|
|
|
|
struct ieee80211_sta *sta)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = hw->priv;
|
|
|
|
struct ath_node *an = (struct ath_node *) sta->drv_priv;
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
case STA_NOTIFY_SLEEP:
|
|
|
|
an->sleeping = true;
|
2011-09-29 22:04:26 +08:00
|
|
|
ath_tx_aggr_sleep(sta, sc, an);
|
2014-05-22 15:05:49 +08:00
|
|
|
ath9k_sta_set_tx_filter(sc->sc_ah, an, true);
|
2011-04-18 05:28:09 +08:00
|
|
|
break;
|
|
|
|
case STA_NOTIFY_AWAKE:
|
2014-05-22 15:05:49 +08:00
|
|
|
ath9k_sta_set_tx_filter(sc->sc_ah, an, false);
|
2011-04-18 05:28:09 +08:00
|
|
|
an->sleeping = false;
|
|
|
|
ath_tx_aggr_wakeup(sc, an);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-10-02 16:15:52 +08:00
|
|
|
static int ath9k_conf_tx(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif, u16 queue,
|
2008-09-10 21:19:27 +08:00
|
|
|
const struct ieee80211_tx_queue_params *params)
|
2008-08-04 15:16:41 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2009-09-13 17:42:02 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
2010-11-07 21:59:39 +08:00
|
|
|
struct ath_txq *txq;
|
2008-09-10 21:19:27 +08:00
|
|
|
struct ath9k_tx_queue_info qi;
|
2010-11-07 21:59:39 +08:00
|
|
|
int ret = 0;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2012-11-21 20:43:10 +08:00
|
|
|
if (queue >= IEEE80211_NUM_ACS)
|
2008-09-10 21:19:27 +08:00
|
|
|
return 0;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2010-11-07 21:59:39 +08:00
|
|
|
txq = sc->tx.txq_map[queue];
|
|
|
|
|
2011-04-08 01:07:17 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
|
|
|
|
2009-03-30 17:58:46 +08:00
|
|
|
memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));
|
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
qi.tqi_aifs = params->aifs;
|
|
|
|
qi.tqi_cwmin = params->cw_min;
|
|
|
|
qi.tqi_cwmax = params->cw_max;
|
2012-07-16 01:53:34 +08:00
|
|
|
qi.tqi_burstTime = params->txop * 32;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, CONFIG,
|
2010-12-03 11:12:37 +08:00
|
|
|
"Configure tx [queue/halq] [%d/%d], aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
|
|
|
|
queue, txq->axq_qnum, params->aifs, params->cw_min,
|
|
|
|
params->cw_max, params->txop);
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2012-07-16 01:53:36 +08:00
|
|
|
ath_update_max_aggr_framelen(sc, queue, qi.tqi_burstTime);
|
2010-11-07 21:59:39 +08:00
|
|
|
ret = ath_txq_update(sc, txq->axq_qnum, &qi);
|
2008-09-10 21:19:27 +08:00
|
|
|
if (ret)
|
2010-12-03 11:12:36 +08:00
|
|
|
ath_err(common, "TXQ Update failed\n");
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2011-04-08 01:07:17 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
return ret;
|
|
|
|
}
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
static int ath9k_set_key(struct ieee80211_hw *hw,
|
|
|
|
enum set_key_cmd cmd,
|
2008-12-29 19:55:09 +08:00
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
struct ieee80211_sta *sta,
|
2008-09-10 21:19:27 +08:00
|
|
|
struct ieee80211_key_conf *key)
|
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2009-09-13 17:42:02 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
2014-05-22 15:05:49 +08:00
|
|
|
struct ath_node *an = NULL;
|
|
|
|
int ret = 0, i;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-01-05 22:39:17 +08:00
|
|
|
if (ath9k_modparam_nohwcrypt)
|
2009-02-24 19:42:01 +08:00
|
|
|
return -ENOSPC;
|
|
|
|
|
2011-12-08 04:45:46 +08:00
|
|
|
if ((vif->type == NL80211_IFTYPE_ADHOC ||
|
|
|
|
vif->type == NL80211_IFTYPE_MESH_POINT) &&
|
2011-03-23 20:52:19 +08:00
|
|
|
(key->cipher == WLAN_CIPHER_SUITE_TKIP ||
|
|
|
|
key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
|
|
|
|
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
|
|
|
|
/*
|
|
|
|
* For now, disable hw crypto for the RSN IBSS group keys. This
|
|
|
|
* could be optimized in the future to use a modified key cache
|
|
|
|
* design to support per-STA RX GTK, but until that gets
|
|
|
|
* implemented, use of software crypto for group addressed
|
|
|
|
* frames is a acceptable to allow RSN IBSS to be used.
|
|
|
|
*/
|
|
|
|
return -EOPNOTSUPP;
|
|
|
|
}
|
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
2009-01-20 13:47:08 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2014-05-22 15:05:49 +08:00
|
|
|
ath_dbg(common, CONFIG, "Set HW Key %d\n", cmd);
|
|
|
|
if (sta)
|
|
|
|
an = (struct ath_node *)sta->drv_priv;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
switch (cmd) {
|
|
|
|
case SET_KEY:
|
2011-04-18 05:28:10 +08:00
|
|
|
if (sta)
|
|
|
|
ath9k_del_ps_key(sc, vif, sta);
|
|
|
|
|
2014-05-22 15:05:49 +08:00
|
|
|
key->hw_key_idx = 0;
|
2010-09-08 15:05:04 +08:00
|
|
|
ret = ath_key_config(common, vif, sta, key);
|
2008-12-17 19:32:17 +08:00
|
|
|
if (ret >= 0) {
|
|
|
|
key->hw_key_idx = ret;
|
2008-09-10 21:19:27 +08:00
|
|
|
/* push IV and Michael MIC generation to stack */
|
|
|
|
key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
|
2010-08-10 15:46:38 +08:00
|
|
|
if (key->cipher == WLAN_CIPHER_SUITE_TKIP)
|
2008-09-10 21:19:27 +08:00
|
|
|
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
|
2010-08-10 15:46:38 +08:00
|
|
|
if (sc->sc_ah->sw_mgmt_crypto &&
|
|
|
|
key->cipher == WLAN_CIPHER_SUITE_CCMP)
|
2012-09-04 23:08:23 +08:00
|
|
|
key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
|
2008-12-17 19:32:17 +08:00
|
|
|
ret = 0;
|
2008-09-10 21:19:27 +08:00
|
|
|
}
|
2014-05-22 15:05:49 +08:00
|
|
|
if (an && key->hw_key_idx) {
|
|
|
|
for (i = 0; i < ARRAY_SIZE(an->key_idx); i++) {
|
|
|
|
if (an->key_idx[i])
|
|
|
|
continue;
|
|
|
|
an->key_idx[i] = key->hw_key_idx;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
WARN_ON(i == ARRAY_SIZE(an->key_idx));
|
|
|
|
}
|
2008-09-10 21:19:27 +08:00
|
|
|
break;
|
|
|
|
case DISABLE_KEY:
|
2010-09-08 15:05:04 +08:00
|
|
|
ath_key_delete(common, key);
|
2014-05-22 15:05:49 +08:00
|
|
|
if (an) {
|
|
|
|
for (i = 0; i < ARRAY_SIZE(an->key_idx); i++) {
|
|
|
|
if (an->key_idx[i] != key->hw_key_idx)
|
|
|
|
continue;
|
|
|
|
an->key_idx[i] = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
key->hw_key_idx = 0;
|
2008-09-10 21:19:27 +08:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ret = -EINVAL;
|
|
|
|
}
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2009-01-20 13:47:08 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
return ret;
|
|
|
|
}
|
2012-07-17 19:45:50 +08:00
|
|
|
|
|
|
|
static void ath9k_set_assoc_state(struct ath_softc *sc,
|
|
|
|
struct ieee80211_vif *vif)
|
2011-04-05 01:26:18 +08:00
|
|
|
{
|
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
|
|
struct ath_vif *avp = (void *)vif->drv_priv;
|
2012-07-17 19:45:50 +08:00
|
|
|
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
|
2012-06-04 22:54:07 +08:00
|
|
|
unsigned long flags;
|
2012-07-17 19:45:50 +08:00
|
|
|
|
2014-02-27 18:40:46 +08:00
|
|
|
set_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
|
2012-07-17 19:45:50 +08:00
|
|
|
avp->primary_sta_vif = true;
|
|
|
|
|
2011-05-20 20:22:12 +08:00
|
|
|
/*
|
2012-07-17 19:45:50 +08:00
|
|
|
* Set the AID, BSSID and do beacon-sync only when
|
|
|
|
* the HW opmode is STATION.
|
|
|
|
*
|
|
|
|
* But the primary bit is set above in any case.
|
2011-05-20 20:22:12 +08:00
|
|
|
*/
|
2012-07-17 19:45:50 +08:00
|
|
|
if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
|
2011-05-20 20:22:12 +08:00
|
|
|
return;
|
|
|
|
|
2012-07-17 19:45:50 +08:00
|
|
|
memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
|
|
|
|
common->curaid = bss_conf->aid;
|
|
|
|
ath9k_hw_write_associd(sc->sc_ah);
|
2012-06-04 22:54:07 +08:00
|
|
|
|
2014-02-04 17:27:39 +08:00
|
|
|
common->last_rssi = ATH_RSSI_DUMMY_MARKER;
|
2012-07-17 19:45:50 +08:00
|
|
|
sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
|
2011-04-05 01:26:19 +08:00
|
|
|
|
2012-07-17 19:45:50 +08:00
|
|
|
spin_lock_irqsave(&sc->sc_pm_lock, flags);
|
|
|
|
sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
|
|
|
|
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
|
2011-05-26 13:26:15 +08:00
|
|
|
|
2012-10-12 16:37:22 +08:00
|
|
|
if (ath9k_hw_mci_is_enabled(sc->sc_ah))
|
|
|
|
ath9k_mci_update_wlan_channels(sc, false);
|
|
|
|
|
2012-07-17 19:45:50 +08:00
|
|
|
ath_dbg(common, CONFIG,
|
|
|
|
"Primary Station interface: %pM, BSSID: %pM\n",
|
|
|
|
vif->addr, common->curbssid);
|
2011-04-05 01:26:18 +08:00
|
|
|
}
|
|
|
|
|
2012-07-17 19:45:50 +08:00
|
|
|
static void ath9k_bss_assoc_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
|
2011-04-05 01:26:18 +08:00
|
|
|
{
|
2012-07-17 19:45:50 +08:00
|
|
|
struct ath_softc *sc = data;
|
2011-04-05 01:26:18 +08:00
|
|
|
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
|
2014-02-27 18:40:46 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
2011-04-05 01:26:18 +08:00
|
|
|
|
2014-02-27 18:40:46 +08:00
|
|
|
if (test_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags))
|
2011-05-20 20:22:12 +08:00
|
|
|
return;
|
|
|
|
|
2012-07-17 19:45:50 +08:00
|
|
|
if (bss_conf->assoc)
|
|
|
|
ath9k_set_assoc_state(sc, vif);
|
2011-04-05 01:26:18 +08:00
|
|
|
}
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2014-04-06 06:37:03 +08:00
|
|
|
void ath9k_p2p_ps_timer(void *priv)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = priv;
|
|
|
|
struct ath_vif *avp = sc->p2p_ps_vif;
|
|
|
|
struct ieee80211_vif *vif;
|
|
|
|
struct ieee80211_sta *sta;
|
|
|
|
struct ath_node *an;
|
|
|
|
u32 tsf;
|
|
|
|
|
|
|
|
if (!avp)
|
|
|
|
return;
|
|
|
|
|
|
|
|
tsf = ath9k_hw_gettsf32(sc->sc_ah);
|
|
|
|
if (!avp->noa.absent)
|
|
|
|
tsf += ATH_P2P_PS_STOP_TIME;
|
|
|
|
|
|
|
|
if (!avp->noa.has_next_tsf ||
|
|
|
|
avp->noa.next_tsf - tsf > BIT(31))
|
|
|
|
ieee80211_update_p2p_noa(&avp->noa, tsf);
|
|
|
|
|
|
|
|
ath9k_update_p2p_ps_timer(sc, avp);
|
|
|
|
|
|
|
|
rcu_read_lock();
|
|
|
|
|
|
|
|
vif = avp->vif;
|
|
|
|
sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
|
|
|
|
if (!sta)
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
an = (void *) sta->drv_priv;
|
|
|
|
if (an->sleeping == !!avp->noa.absent)
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
an->sleeping = avp->noa.absent;
|
|
|
|
if (an->sleeping)
|
|
|
|
ath_tx_aggr_sleep(sta, sc, an);
|
|
|
|
else
|
|
|
|
ath_tx_aggr_wakeup(sc, an);
|
|
|
|
|
|
|
|
out:
|
|
|
|
rcu_read_unlock();
|
|
|
|
}
|
|
|
|
|
|
|
|
void ath9k_update_p2p_ps(struct ath_softc *sc, struct ieee80211_vif *vif)
|
|
|
|
{
|
|
|
|
struct ath_vif *avp = (void *)vif->drv_priv;
|
|
|
|
unsigned long flags;
|
|
|
|
u32 tsf;
|
|
|
|
|
|
|
|
if (!sc->p2p_ps_timer)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (vif->type != NL80211_IFTYPE_STATION || !vif->p2p)
|
|
|
|
return;
|
|
|
|
|
|
|
|
sc->p2p_ps_vif = avp;
|
|
|
|
|
|
|
|
spin_lock_irqsave(&sc->sc_pm_lock, flags);
|
|
|
|
if (!(sc->ps_flags & PS_BEACON_SYNC)) {
|
|
|
|
tsf = ath9k_hw_gettsf32(sc->sc_ah);
|
|
|
|
ieee80211_parse_p2p_noa(&vif->bss_conf.p2p_noa_attr, &avp->noa, tsf);
|
|
|
|
ath9k_update_p2p_ps_timer(sc, avp);
|
|
|
|
}
|
|
|
|
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
|
|
|
|
}
|
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
struct ieee80211_bss_conf *bss_conf,
|
|
|
|
u32 changed)
|
|
|
|
{
|
2012-07-17 19:46:29 +08:00
|
|
|
#define CHECK_ANI \
|
|
|
|
(BSS_CHANGED_ASSOC | \
|
|
|
|
BSS_CHANGED_IBSS | \
|
|
|
|
BSS_CHANGED_BEACON_ENABLED)
|
|
|
|
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2009-04-23 22:13:26 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
2009-09-11 00:22:37 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2009-04-23 22:13:26 +08:00
|
|
|
struct ath_vif *avp = (void *)vif->drv_priv;
|
2010-01-15 09:33:40 +08:00
|
|
|
int slottime;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-04-08 01:07:17 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
|
|
|
|
2012-03-10 07:36:49 +08:00
|
|
|
if (changed & BSS_CHANGED_ASSOC) {
|
2012-07-17 19:45:50 +08:00
|
|
|
ath_dbg(common, CONFIG, "BSSID %pM Changed ASSOC %d\n",
|
|
|
|
bss_conf->bssid, bss_conf->assoc);
|
|
|
|
|
|
|
|
if (avp->primary_sta_vif && !bss_conf->assoc) {
|
2014-02-27 18:40:46 +08:00
|
|
|
clear_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
|
2012-07-17 19:45:50 +08:00
|
|
|
avp->primary_sta_vif = false;
|
|
|
|
|
|
|
|
if (ah->opmode == NL80211_IFTYPE_STATION)
|
2014-02-27 18:40:46 +08:00
|
|
|
clear_bit(ATH_OP_BEACONS, &common->op_flags);
|
2012-07-17 19:45:50 +08:00
|
|
|
}
|
|
|
|
|
2012-11-07 03:23:30 +08:00
|
|
|
ieee80211_iterate_active_interfaces_atomic(
|
|
|
|
sc->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
|
|
|
|
ath9k_bss_assoc_iter, sc);
|
2009-04-23 22:13:26 +08:00
|
|
|
|
2014-02-27 18:40:46 +08:00
|
|
|
if (!test_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags) &&
|
2012-07-17 19:45:50 +08:00
|
|
|
ah->opmode == NL80211_IFTYPE_STATION) {
|
|
|
|
memset(common->curbssid, 0, ETH_ALEN);
|
|
|
|
common->curaid = 0;
|
|
|
|
ath9k_hw_write_associd(sc->sc_ah);
|
2012-10-12 16:37:22 +08:00
|
|
|
if (ath9k_hw_mci_is_enabled(sc->sc_ah))
|
|
|
|
ath9k_mci_update_wlan_channels(sc, true);
|
2012-07-17 19:45:50 +08:00
|
|
|
}
|
2009-11-16 14:10:48 +08:00
|
|
|
}
|
2009-04-23 22:13:26 +08:00
|
|
|
|
2011-05-20 20:22:12 +08:00
|
|
|
if (changed & BSS_CHANGED_IBSS) {
|
|
|
|
memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
|
|
|
|
common->curaid = bss_conf->aid;
|
|
|
|
ath9k_hw_write_associd(sc->sc_ah);
|
|
|
|
}
|
|
|
|
|
2012-07-17 19:45:56 +08:00
|
|
|
if ((changed & BSS_CHANGED_BEACON_ENABLED) ||
|
2013-12-20 01:01:49 +08:00
|
|
|
(changed & BSS_CHANGED_BEACON_INT))
|
|
|
|
ath9k_beacon_config(sc, vif, changed);
|
2010-01-15 09:33:40 +08:00
|
|
|
|
|
|
|
if (changed & BSS_CHANGED_ERP_SLOT) {
|
|
|
|
if (bss_conf->use_short_slot)
|
|
|
|
slottime = 9;
|
|
|
|
else
|
|
|
|
slottime = 20;
|
|
|
|
if (vif->type == NL80211_IFTYPE_AP) {
|
|
|
|
/*
|
|
|
|
* Defer update, so that connected stations can adjust
|
|
|
|
* their settings at the same time.
|
|
|
|
* See beacon.c for more details
|
|
|
|
*/
|
|
|
|
sc->beacon.slottime = slottime;
|
|
|
|
sc->beacon.updateslot = UPDATE;
|
|
|
|
} else {
|
|
|
|
ah->slottime = slottime;
|
|
|
|
ath9k_hw_init_global_settings(ah);
|
|
|
|
}
|
2009-04-23 22:13:26 +08:00
|
|
|
}
|
|
|
|
|
2014-04-06 06:37:03 +08:00
|
|
|
if (changed & BSS_CHANGED_P2P_PS) {
|
|
|
|
spin_lock_bh(&sc->sc_pcu_lock);
|
|
|
|
ath9k_update_p2p_ps(sc, vif);
|
|
|
|
spin_unlock_bh(&sc->sc_pcu_lock);
|
|
|
|
}
|
|
|
|
|
2012-07-17 19:46:29 +08:00
|
|
|
if (changed & CHECK_ANI)
|
|
|
|
ath_check_ani(sc);
|
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2011-04-08 01:07:17 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2012-07-17 19:46:29 +08:00
|
|
|
|
|
|
|
#undef CHECK_ANI
|
2008-09-10 21:19:27 +08:00
|
|
|
}
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-09-21 19:06:11 +08:00
|
|
|
static u64 ath9k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
|
2008-09-10 21:19:27 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2008-09-10 21:19:27 +08:00
|
|
|
u64 tsf;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
2010-12-10 13:57:06 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
tsf = ath9k_hw_gettsf64(sc->sc_ah);
|
2010-12-10 13:57:06 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
return tsf;
|
|
|
|
}
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2011-09-21 19:06:11 +08:00
|
|
|
static void ath9k_set_tsf(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
u64 tsf)
|
2009-01-24 14:09:59 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2009-01-24 14:09:59 +08:00
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
2010-12-10 13:57:06 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
ath9k_hw_settsf64(sc->sc_ah, tsf);
|
2010-12-10 13:57:06 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2009-01-24 14:09:59 +08:00
|
|
|
}
|
|
|
|
|
2011-09-21 19:06:11 +08:00
|
|
|
static void ath9k_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
|
2008-09-10 21:19:27 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2008-08-25 23:17:29 +08:00
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
2009-09-10 11:05:39 +08:00
|
|
|
|
|
|
|
ath9k_ps_wakeup(sc);
|
2009-02-04 10:40:07 +08:00
|
|
|
ath9k_hw_reset_tsf(sc->sc_ah);
|
2009-09-10 11:05:39 +08:00
|
|
|
ath9k_ps_restore(sc);
|
|
|
|
|
2009-02-04 10:40:07 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2008-09-10 21:19:27 +08:00
|
|
|
}
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
static int ath9k_ampdu_action(struct ieee80211_hw *hw,
|
2009-11-16 19:00:38 +08:00
|
|
|
struct ieee80211_vif *vif,
|
2009-02-04 10:40:07 +08:00
|
|
|
enum ieee80211_ampdu_mlme_action action,
|
|
|
|
struct ieee80211_sta *sta,
|
2011-01-18 20:51:05 +08:00
|
|
|
u16 tid, u16 *ssn, u8 buf_size)
|
2008-09-10 21:19:27 +08:00
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2013-05-17 18:58:24 +08:00
|
|
|
bool flush = false;
|
2008-09-10 21:19:27 +08:00
|
|
|
int ret = 0;
|
2008-08-04 15:16:41 +08:00
|
|
|
|
2013-05-08 07:33:32 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
2010-06-10 16:21:49 +08:00
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
switch (action) {
|
|
|
|
case IEEE80211_AMPDU_RX_START:
|
|
|
|
break;
|
|
|
|
case IEEE80211_AMPDU_RX_STOP:
|
|
|
|
break;
|
|
|
|
case IEEE80211_AMPDU_TX_START:
|
2009-12-24 09:03:29 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2010-09-21 01:35:28 +08:00
|
|
|
ret = ath_tx_aggr_start(sc, sta, tid, ssn);
|
|
|
|
if (!ret)
|
|
|
|
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
|
2009-12-24 09:03:29 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2008-09-10 21:19:27 +08:00
|
|
|
break;
|
2012-07-18 19:51:25 +08:00
|
|
|
case IEEE80211_AMPDU_TX_STOP_FLUSH:
|
|
|
|
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
|
2013-05-17 18:58:24 +08:00
|
|
|
flush = true;
|
|
|
|
case IEEE80211_AMPDU_TX_STOP_CONT:
|
2009-12-24 09:03:29 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2009-07-23 18:02:37 +08:00
|
|
|
ath_tx_aggr_stop(sc, sta, tid);
|
2013-05-19 03:28:15 +08:00
|
|
|
if (!flush)
|
2013-05-17 18:58:24 +08:00
|
|
|
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
|
2009-12-24 09:03:29 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2008-09-10 21:19:27 +08:00
|
|
|
break;
|
2009-03-24 00:28:39 +08:00
|
|
|
case IEEE80211_AMPDU_TX_OPERATIONAL:
|
2009-12-24 09:03:29 +08:00
|
|
|
ath9k_ps_wakeup(sc);
|
2008-10-29 12:49:28 +08:00
|
|
|
ath_tx_aggr_resume(sc, sta, tid);
|
2009-12-24 09:03:29 +08:00
|
|
|
ath9k_ps_restore(sc);
|
2008-10-29 12:49:28 +08:00
|
|
|
break;
|
2008-09-10 21:19:27 +08:00
|
|
|
default:
|
2010-12-03 11:12:36 +08:00
|
|
|
ath_err(ath9k_hw_common(sc->sc_ah), "Unknown AMPDU action\n");
|
2008-09-10 21:19:27 +08:00
|
|
|
}
|
|
|
|
|
2013-05-08 07:33:32 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
2010-06-10 16:21:49 +08:00
|
|
|
|
2008-09-10 21:19:27 +08:00
|
|
|
return ret;
|
2008-08-04 15:16:41 +08:00
|
|
|
}
|
|
|
|
|
2010-04-28 06:08:24 +08:00
|
|
|
static int ath9k_get_survey(struct ieee80211_hw *hw, int idx,
|
|
|
|
struct survey_info *survey)
|
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2010-10-11 00:21:52 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
2010-09-30 01:12:06 +08:00
|
|
|
struct ieee80211_supported_band *sband;
|
2010-10-11 00:21:52 +08:00
|
|
|
struct ieee80211_channel *chan;
|
|
|
|
int pos;
|
|
|
|
|
2013-10-15 08:42:11 +08:00
|
|
|
if (config_enabled(CONFIG_ATH9K_TX99))
|
|
|
|
return -EOPNOTSUPP;
|
|
|
|
|
2013-12-26 10:44:40 +08:00
|
|
|
spin_lock_bh(&common->cc_lock);
|
2010-10-11 00:21:52 +08:00
|
|
|
if (idx == 0)
|
|
|
|
ath_update_survey_stats(sc);
|
2010-09-30 01:12:06 +08:00
|
|
|
|
|
|
|
sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
|
|
|
|
if (sband && idx >= sband->n_channels) {
|
|
|
|
idx -= sband->n_channels;
|
|
|
|
sband = NULL;
|
|
|
|
}
|
2010-04-28 06:08:24 +08:00
|
|
|
|
2010-09-30 01:12:06 +08:00
|
|
|
if (!sband)
|
|
|
|
sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
|
2010-04-28 06:08:24 +08:00
|
|
|
|
2010-10-11 00:21:52 +08:00
|
|
|
if (!sband || idx >= sband->n_channels) {
|
2013-12-26 10:44:40 +08:00
|
|
|
spin_unlock_bh(&common->cc_lock);
|
2010-10-11 00:21:52 +08:00
|
|
|
return -ENOENT;
|
2010-09-29 23:15:28 +08:00
|
|
|
}
|
2010-04-28 06:08:24 +08:00
|
|
|
|
2010-10-11 00:21:52 +08:00
|
|
|
chan = &sband->channels[idx];
|
|
|
|
pos = chan->hw_value;
|
|
|
|
memcpy(survey, &sc->survey[pos], sizeof(*survey));
|
|
|
|
survey->channel = chan;
|
2013-12-26 10:44:40 +08:00
|
|
|
spin_unlock_bh(&common->cc_lock);
|
2010-10-11 00:21:52 +08:00
|
|
|
|
2010-04-28 06:08:24 +08:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-01-15 09:34:58 +08:00
|
|
|
static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
|
|
|
|
{
|
2011-01-25 02:23:18 +08:00
|
|
|
struct ath_softc *sc = hw->priv;
|
2010-01-15 09:34:58 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
|
2013-10-15 08:42:11 +08:00
|
|
|
if (config_enabled(CONFIG_ATH9K_TX99))
|
|
|
|
return;
|
|
|
|
|
2010-01-15 09:34:58 +08:00
|
|
|
mutex_lock(&sc->mutex);
|
|
|
|
ah->coverage_class = coverage_class;
|
2011-08-25 00:08:07 +08:00
|
|
|
|
|
|
|
ath9k_ps_wakeup(sc);
|
2010-01-15 09:34:58 +08:00
|
|
|
ath9k_hw_init_global_settings(ah);
|
2011-08-25 00:08:07 +08:00
|
|
|
ath9k_ps_restore(sc);
|
|
|
|
|
2010-01-15 09:34:58 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
|
|
|
}
|
|
|
|
|
2013-11-12 05:23:35 +08:00
|
|
|
static bool ath9k_has_tx_pending(struct ath_softc *sc)
|
|
|
|
{
|
2014-01-26 18:53:21 +08:00
|
|
|
int i, npend = 0;
|
2013-11-12 05:23:35 +08:00
|
|
|
|
|
|
|
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
|
|
|
|
if (!ATH_TXQ_SETUP(sc, i))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (!sc->tx.txq[i].axq_depth)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
npend = ath9k_has_pending_frames(sc, &sc->tx.txq[i]);
|
|
|
|
if (npend)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return !!npend;
|
|
|
|
}
|
|
|
|
|
2014-03-27 17:30:29 +08:00
|
|
|
static void ath9k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
|
|
u32 queues, bool drop)
|
2011-02-19 17:13:42 +08:00
|
|
|
{
|
|
|
|
struct ath_softc *sc = hw->priv;
|
2011-05-06 23:13:11 +08:00
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
2013-11-12 05:23:35 +08:00
|
|
|
int timeout = HZ / 5; /* 200 ms */
|
2011-04-28 18:01:57 +08:00
|
|
|
bool drain_txq;
|
2011-02-19 17:13:42 +08:00
|
|
|
|
|
|
|
mutex_lock(&sc->mutex);
|
|
|
|
cancel_delayed_work_sync(&sc->tx_complete_work);
|
|
|
|
|
2011-09-09 13:11:08 +08:00
|
|
|
if (ah->ah_flags & AH_UNPLUGGED) {
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, ANY, "Device has been unplugged!\n");
|
2011-09-09 13:11:08 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2014-02-27 18:40:46 +08:00
|
|
|
if (test_bit(ATH_OP_INVALID, &common->op_flags)) {
|
2011-12-16 06:55:53 +08:00
|
|
|
ath_dbg(common, ANY, "Device not present\n");
|
2011-05-06 23:13:11 +08:00
|
|
|
mutex_unlock(&sc->mutex);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2013-11-12 05:23:35 +08:00
|
|
|
if (wait_event_timeout(sc->tx_wait, !ath9k_has_tx_pending(sc),
|
|
|
|
timeout) > 0)
|
|
|
|
drop = false;
|
2011-02-19 17:13:42 +08:00
|
|
|
|
2011-11-16 20:08:42 +08:00
|
|
|
if (drop) {
|
|
|
|
ath9k_ps_wakeup(sc);
|
|
|
|
spin_lock_bh(&sc->sc_pcu_lock);
|
2013-01-21 01:51:53 +08:00
|
|
|
drain_txq = ath_drain_all_txq(sc);
|
2011-11-16 20:08:42 +08:00
|
|
|
spin_unlock_bh(&sc->sc_pcu_lock);
|
2011-09-03 07:40:26 +08:00
|
|
|
|
2011-11-16 20:08:42 +08:00
|
|
|
if (!drain_txq)
|
2013-01-21 01:51:53 +08:00
|
|
|
ath_reset(sc);
|
2011-09-03 07:40:26 +08:00
|
|
|
|
2011-11-16 20:08:42 +08:00
|
|
|
ath9k_ps_restore(sc);
|
|
|
|
ieee80211_wake_queues(hw);
|
|
|
|
}
|
2011-03-24 01:37:22 +08:00
|
|
|
|
2011-02-19 17:13:42 +08:00
|
|
|
ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0);
|
|
|
|
mutex_unlock(&sc->mutex);
|
|
|
|
}
|
|
|
|
|
2011-04-06 14:11:11 +08:00
|
|
|
static bool ath9k_tx_frames_pending(struct ieee80211_hw *hw)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = hw->priv;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
|
|
|
|
if (!ATH_TXQ_SETUP(sc, i))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (ath9k_has_pending_frames(sc, &sc->tx.txq[i]))
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2011-05-19 20:38:57 +08:00
|
|
|
static int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
|
2011-05-18 03:09:54 +08:00
|
|
|
{
|
|
|
|
struct ath_softc *sc = hw->priv;
|
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
struct ieee80211_vif *vif;
|
|
|
|
struct ath_vif *avp;
|
|
|
|
struct ath_buf *bf;
|
|
|
|
struct ath_tx_status ts;
|
2012-02-28 02:58:40 +08:00
|
|
|
bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
|
2011-05-18 03:09:54 +08:00
|
|
|
int status;
|
|
|
|
|
|
|
|
vif = sc->beacon.bslot[0];
|
|
|
|
if (!vif)
|
|
|
|
return 0;
|
|
|
|
|
2012-07-17 19:46:03 +08:00
|
|
|
if (!vif->bss_conf.enable_beacon)
|
2011-05-18 03:09:54 +08:00
|
|
|
return 0;
|
|
|
|
|
2012-07-17 19:46:03 +08:00
|
|
|
avp = (void *)vif->drv_priv;
|
|
|
|
|
2012-02-28 02:58:40 +08:00
|
|
|
if (!sc->beacon.tx_processed && !edma) {
|
2011-05-18 03:09:54 +08:00
|
|
|
tasklet_disable(&sc->bcon_tasklet);
|
|
|
|
|
|
|
|
bf = avp->av_bcbuf;
|
|
|
|
if (!bf || !bf->bf_mpdu)
|
|
|
|
goto skip;
|
|
|
|
|
|
|
|
status = ath9k_hw_txprocdesc(ah, bf->bf_desc, &ts);
|
|
|
|
if (status == -EINPROGRESS)
|
|
|
|
goto skip;
|
|
|
|
|
|
|
|
sc->beacon.tx_processed = true;
|
|
|
|
sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK);
|
|
|
|
|
|
|
|
skip:
|
|
|
|
tasklet_enable(&sc->bcon_tasklet);
|
|
|
|
}
|
|
|
|
|
|
|
|
return sc->beacon.tx_last;
|
|
|
|
}
|
|
|
|
|
2011-08-20 19:51:42 +08:00
|
|
|
static int ath9k_get_stats(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_low_level_stats *stats)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = hw->priv;
|
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
struct ath9k_mib_stats *mib_stats = &ah->ah_mibStats;
|
|
|
|
|
|
|
|
stats->dot11ACKFailureCount = mib_stats->ackrcv_bad;
|
|
|
|
stats->dot11RTSFailureCount = mib_stats->rts_bad;
|
|
|
|
stats->dot11FCSErrorCount = mib_stats->fcs_bad;
|
|
|
|
stats->dot11RTSSuccessCount = mib_stats->rts_good;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-09-03 07:40:27 +08:00
|
|
|
static u32 fill_chainmask(u32 cap, u32 new)
|
|
|
|
{
|
|
|
|
u32 filled = 0;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; cap && new; i++, cap >>= 1) {
|
|
|
|
if (!(cap & BIT(0)))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (new & BIT(0))
|
|
|
|
filled |= BIT(i);
|
|
|
|
|
|
|
|
new >>= 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return filled;
|
|
|
|
}
|
|
|
|
|
2012-07-16 01:53:30 +08:00
|
|
|
static bool validate_antenna_mask(struct ath_hw *ah, u32 val)
|
|
|
|
{
|
2013-01-21 04:55:22 +08:00
|
|
|
if (AR_SREV_9300_20_OR_LATER(ah))
|
|
|
|
return true;
|
|
|
|
|
2012-07-16 01:53:30 +08:00
|
|
|
switch (val & 0x7) {
|
|
|
|
case 0x1:
|
|
|
|
case 0x3:
|
|
|
|
case 0x7:
|
|
|
|
return true;
|
|
|
|
case 0x2:
|
|
|
|
return (ah->caps.rx_chainmask == 1);
|
|
|
|
default:
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-09-03 07:40:27 +08:00
|
|
|
static int ath9k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = hw->priv;
|
|
|
|
struct ath_hw *ah = sc->sc_ah;
|
|
|
|
|
2012-07-16 01:53:30 +08:00
|
|
|
if (ah->caps.rx_chainmask != 1)
|
|
|
|
rx_ant |= tx_ant;
|
|
|
|
|
|
|
|
if (!validate_antenna_mask(ah, rx_ant) || !tx_ant)
|
2011-09-03 07:40:27 +08:00
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
sc->ant_rx = rx_ant;
|
|
|
|
sc->ant_tx = tx_ant;
|
|
|
|
|
|
|
|
if (ah->caps.rx_chainmask == 1)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* AR9100 runs into calibration issues if not all rx chains are enabled */
|
|
|
|
if (AR_SREV_9100(ah))
|
|
|
|
ah->rxchainmask = 0x7;
|
|
|
|
else
|
|
|
|
ah->rxchainmask = fill_chainmask(ah->caps.rx_chainmask, rx_ant);
|
|
|
|
|
|
|
|
ah->txchainmask = fill_chainmask(ah->caps.tx_chainmask, tx_ant);
|
2014-02-25 21:48:55 +08:00
|
|
|
ath9k_cmn_reload_chainmask(ah);
|
2011-09-03 07:40:27 +08:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int ath9k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = hw->priv;
|
|
|
|
|
|
|
|
*tx_ant = sc->ant_tx;
|
|
|
|
*rx_ant = sc->ant_rx;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-01-08 21:48:58 +08:00
|
|
|
static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
|
|
|
|
{
|
|
|
|
struct ath_softc *sc = hw->priv;
|
2014-02-27 18:40:46 +08:00
|
|
|
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
|
|
set_bit(ATH_OP_SCANNING, &common->op_flags);
|
2013-01-08 21:48:58 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
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|
|
|
{
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|
|
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struct ath_softc *sc = hw->priv;
|
2014-02-27 18:40:46 +08:00
|
|
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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|
|
|
clear_bit(ATH_OP_SCANNING, &common->op_flags);
|
2013-01-08 21:48:58 +08:00
|
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}
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2012-07-10 17:26:52 +08:00
|
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|
|
2013-08-14 14:01:38 +08:00
|
|
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static void ath9k_channel_switch_beacon(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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|
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struct cfg80211_chan_def *chandef)
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|
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{
|
2014-01-20 22:27:12 +08:00
|
|
|
/* depend on vif->csa_active only */
|
|
|
|
return;
|
2013-08-14 14:01:38 +08:00
|
|
|
}
|
|
|
|
|
2009-01-15 03:17:06 +08:00
|
|
|
struct ieee80211_ops ath9k_ops = {
|
2008-09-10 21:19:27 +08:00
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|
.tx = ath9k_tx,
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|
|
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.start = ath9k_start,
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|
|
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.stop = ath9k_stop,
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|
|
|
.add_interface = ath9k_add_interface,
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2010-12-08 22:08:55 +08:00
|
|
|
.change_interface = ath9k_change_interface,
|
2008-09-10 21:19:27 +08:00
|
|
|
.remove_interface = ath9k_remove_interface,
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|
|
|
.config = ath9k_config,
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|
|
.configure_filter = ath9k_configure_filter,
|
2010-02-20 02:06:56 +08:00
|
|
|
.sta_add = ath9k_sta_add,
|
|
|
|
.sta_remove = ath9k_sta_remove,
|
2011-04-18 05:28:09 +08:00
|
|
|
.sta_notify = ath9k_sta_notify,
|
2008-09-10 21:19:27 +08:00
|
|
|
.conf_tx = ath9k_conf_tx,
|
|
|
|
.bss_info_changed = ath9k_bss_info_changed,
|
|
|
|
.set_key = ath9k_set_key,
|
|
|
|
.get_tsf = ath9k_get_tsf,
|
2009-01-24 14:09:59 +08:00
|
|
|
.set_tsf = ath9k_set_tsf,
|
2008-09-10 21:19:27 +08:00
|
|
|
.reset_tsf = ath9k_reset_tsf,
|
2008-10-13 19:35:05 +08:00
|
|
|
.ampdu_action = ath9k_ampdu_action,
|
2010-04-28 06:08:24 +08:00
|
|
|
.get_survey = ath9k_get_survey,
|
2009-06-13 17:20:26 +08:00
|
|
|
.rfkill_poll = ath9k_rfkill_poll_state,
|
2010-01-15 09:34:58 +08:00
|
|
|
.set_coverage_class = ath9k_set_coverage_class,
|
2011-02-19 17:13:42 +08:00
|
|
|
.flush = ath9k_flush,
|
2011-04-06 14:11:11 +08:00
|
|
|
.tx_frames_pending = ath9k_tx_frames_pending,
|
2011-08-20 19:51:42 +08:00
|
|
|
.tx_last_beacon = ath9k_tx_last_beacon,
|
2013-06-08 00:12:01 +08:00
|
|
|
.release_buffered_frames = ath9k_release_buffered_frames,
|
2011-08-20 19:51:42 +08:00
|
|
|
.get_stats = ath9k_get_stats,
|
2011-09-03 07:40:27 +08:00
|
|
|
.set_antenna = ath9k_set_antenna,
|
|
|
|
.get_antenna = ath9k_get_antenna,
|
2012-05-16 06:33:25 +08:00
|
|
|
|
2013-10-28 14:52:04 +08:00
|
|
|
#ifdef CONFIG_ATH9K_WOW
|
2012-07-10 17:26:52 +08:00
|
|
|
.suspend = ath9k_suspend,
|
|
|
|
.resume = ath9k_resume,
|
|
|
|
.set_wakeup = ath9k_set_wakeup,
|
|
|
|
#endif
|
|
|
|
|
2012-05-16 06:33:25 +08:00
|
|
|
#ifdef CONFIG_ATH9K_DEBUGFS
|
|
|
|
.get_et_sset_count = ath9k_get_et_sset_count,
|
2012-11-28 17:38:54 +08:00
|
|
|
.get_et_stats = ath9k_get_et_stats,
|
|
|
|
.get_et_strings = ath9k_get_et_strings,
|
|
|
|
#endif
|
|
|
|
|
2014-01-13 09:59:27 +08:00
|
|
|
#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_STATION_STATISTICS)
|
2012-11-28 17:38:54 +08:00
|
|
|
.sta_add_debugfs = ath9k_sta_add_debugfs,
|
2012-05-16 06:33:25 +08:00
|
|
|
#endif
|
2013-01-08 21:48:58 +08:00
|
|
|
.sw_scan_start = ath9k_sw_scan_start,
|
|
|
|
.sw_scan_complete = ath9k_sw_scan_complete,
|
2013-08-14 14:01:38 +08:00
|
|
|
.channel_switch_beacon = ath9k_channel_switch_beacon,
|
2008-09-10 21:19:27 +08:00
|
|
|
};
|