ath9k: remove rate control wraper
[safe/jmp/linux-2.6] / drivers / net / wireless / ath / ath9k / main.c
index dd54fa7..19df788 100644 (file)
@@ -35,14 +35,14 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
 #define CHAN2G(_freq, _idx)  { \
        .center_freq = (_freq), \
        .hw_value = (_idx), \
-       .max_power = 30, \
+       .max_power = 20, \
 }
 
 #define CHAN5G(_freq, _idx) { \
        .band = IEEE80211_BAND_5GHZ, \
        .center_freq = (_freq), \
        .hw_value = (_idx), \
-       .max_power = 30, \
+       .max_power = 20, \
 }
 
 /* Some 2 GHz radios are actually tunable on 2312-2732
@@ -231,6 +231,19 @@ static void ath_setup_rates(struct ath_softc *sc, enum ieee80211_band band)
        }
 }
 
+static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
+                                               struct ieee80211_hw *hw)
+{
+       struct ieee80211_channel *curchan = hw->conf.channel;
+       struct ath9k_channel *channel;
+       u8 chan_idx;
+
+       chan_idx = curchan->hw_value;
+       channel = &sc->sc_ah->channels[chan_idx];
+       ath9k_update_ichannel(sc, hw, channel);
+       return channel;
+}
+
 /*
  * 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
@@ -283,7 +296,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
                        "reset status %d\n",
                        channel->center_freq, r);
                spin_unlock_bh(&sc->sc_resetlock);
-               return r;
+               goto ps_restore;
        }
        spin_unlock_bh(&sc->sc_resetlock);
 
@@ -292,14 +305,17 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
        if (ath_startrecv(sc) != 0) {
                DPRINTF(sc, ATH_DBG_FATAL,
                        "Unable to restart recv logic\n");
-               return -EIO;
+               r = -EIO;
+               goto ps_restore;
        }
 
        ath_cache_conf_rate(sc, &hw->conf);
        ath_update_txpow(sc);
        ath9k_hw_set_interrupts(ah, sc->imask);
+
+ ps_restore:
        ath9k_ps_restore(sc);
-       return 0;
+       return r;
 }
 
 /*
@@ -326,6 +342,7 @@ static void ath_ani_calibrate(unsigned long data)
        * don't calibrate when we're scanning.
        * we are most likely not on our home channel.
        */
+       spin_lock(&sc->ani_lock);
        if (sc->sc_flags & SC_OP_SCANNING)
                goto set_timer;
 
@@ -389,6 +406,7 @@ static void ath_ani_calibrate(unsigned long data)
        ath9k_ps_restore(sc);
 
 set_timer:
+       spin_unlock(&sc->ani_lock);
        /*
        * Set timer interval based on previous results.
        * The interval must be the shortest necessary to satisfy ANI,
@@ -480,6 +498,16 @@ static void ath9k_tasklet(unsigned long data)
        if (status & ATH9K_INT_TX)
                ath_tx_tasklet(sc);
 
+       if ((status & ATH9K_INT_TSFOOR) &&
+           (sc->hw->conf.flags & IEEE80211_CONF_PS)) {
+               /*
+                * TSF sync does not look correct; remain awake to sync with
+                * the next Beacon.
+                */
+               DPRINTF(sc, ATH_DBG_PS, "TSFOOR - Sync with next Beacon\n");
+               sc->sc_flags |= SC_OP_WAIT_FOR_BEACON | SC_OP_BEACON_SYNC;
+       }
+
        /* re-enable hardware interrupt */
        ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
        ath9k_ps_restore(sc);
@@ -861,6 +889,7 @@ static void setup_ht_cap(struct ath_softc *sc,
 {
 #define        ATH9K_HT_CAP_MAXRXAMPDU_65536 0x3       /* 2 ^ 16 */
 #define        ATH9K_HT_CAP_MPDUDENSITY_8 0x6          /* 8 usec */
+       u8 tx_streams, rx_streams;
 
        ht_info->ht_supported = true;
        ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
@@ -873,38 +902,43 @@ static void setup_ht_cap(struct ath_softc *sc,
 
        /* set up supported mcs set */
        memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
+       tx_streams = !(sc->tx_chainmask & (sc->tx_chainmask - 1)) ? 1 : 2;
+       rx_streams = !(sc->rx_chainmask & (sc->rx_chainmask - 1)) ? 1 : 2;
 
-       switch(sc->rx_chainmask) {
-       case 1:
-               ht_info->mcs.rx_mask[0] = 0xff;
-               break;
-       case 3:
-       case 5:
-       case 7:
-       default:
-               ht_info->mcs.rx_mask[0] = 0xff;
-               ht_info->mcs.rx_mask[1] = 0xff;
-               break;
+       if (tx_streams != rx_streams) {
+               DPRINTF(sc, ATH_DBG_CONFIG, "TX streams %d, RX streams: %d\n",
+                       tx_streams, rx_streams);
+               ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
+               ht_info->mcs.tx_params |= ((tx_streams - 1) <<
+                               IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
        }
 
-       ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
+       ht_info->mcs.rx_mask[0] = 0xff;
+       if (rx_streams >= 2)
+               ht_info->mcs.rx_mask[1] = 0xff;
+
+       ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
 }
 
 static void ath9k_bss_assoc_info(struct ath_softc *sc,
                                 struct ieee80211_vif *vif,
                                 struct ieee80211_bss_conf *bss_conf)
 {
-       struct ath_vif *avp = (void *)vif->drv_priv;
 
        if (bss_conf->assoc) {
                DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n",
                        bss_conf->aid, sc->curbssid);
 
                /* New association, store aid */
-               if (avp->av_opmode == NL80211_IFTYPE_STATION) {
-                       sc->curaid = bss_conf->aid;
-                       ath9k_hw_write_associd(sc);
-               }
+               sc->curaid = bss_conf->aid;
+               ath9k_hw_write_associd(sc);
+
+               /*
+                * Request a re-configuration of Beacon related timers
+                * on the receipt of the first Beacon frame (i.e.,
+                * after time sync with the AP).
+                */
+               sc->sc_flags |= SC_OP_BEACON_SYNC;
 
                /* Configure the beacon */
                ath_beacon_config(sc, vif);
@@ -919,6 +953,8 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
        } else {
                DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
                sc->curaid = 0;
+               /* Stop ANI */
+               del_timer_sync(&sc->ani.timer);
        }
 }
 
@@ -1093,6 +1129,9 @@ void ath_radio_enable(struct ath_softc *sc)
        ath9k_ps_wakeup(sc);
        ath9k_hw_configpcipowersave(ah, 0);
 
+       if (!ah->curchan)
+               ah->curchan = ath_get_curchannel(sc, sc->hw);
+
        spin_lock_bh(&sc->sc_resetlock);
        r = ath9k_hw_reset(ah, ah->curchan, false);
        if (r) {
@@ -1145,6 +1184,9 @@ void ath_radio_disable(struct ath_softc *sc)
        ath_stoprecv(sc);               /* turn off frame recv */
        ath_flushrecv(sc);              /* flush recv queue */
 
+       if (!ah->curchan)
+               ah->curchan = ath_get_curchannel(sc, sc->hw);
+
        spin_lock_bh(&sc->sc_resetlock);
        r = ath9k_hw_reset(ah, ah->curchan, false);
        if (r) {
@@ -1157,12 +1199,10 @@ void ath_radio_disable(struct ath_softc *sc)
 
        ath9k_hw_phy_disable(ah);
        ath9k_hw_configpcipowersave(ah, 1);
-       ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
        ath9k_ps_restore(sc);
+       ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
 }
 
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-
 /*******************/
 /*     Rfkill     */
 /*******************/
@@ -1175,132 +1215,27 @@ static bool ath_is_rfkill_set(struct ath_softc *sc)
                                  ah->rfkill_polarity;
 }
 
-/* h/w rfkill poll function */
-static void ath_rfkill_poll(struct work_struct *work)
-{
-       struct ath_softc *sc = container_of(work, struct ath_softc,
-                                           rf_kill.rfkill_poll.work);
-       bool radio_on;
-
-       if (sc->sc_flags & SC_OP_INVALID)
-               return;
-
-       radio_on = !ath_is_rfkill_set(sc);
-
-       /*
-        * enable/disable radio only when there is a
-        * state change in RF switch
-        */
-       if (radio_on == !!(sc->sc_flags & SC_OP_RFKILL_HW_BLOCKED)) {
-               enum rfkill_state state;
-
-               if (sc->sc_flags & SC_OP_RFKILL_SW_BLOCKED) {
-                       state = radio_on ? RFKILL_STATE_SOFT_BLOCKED
-                               : RFKILL_STATE_HARD_BLOCKED;
-               } else if (radio_on) {
-                       ath_radio_enable(sc);
-                       state = RFKILL_STATE_UNBLOCKED;
-               } else {
-                       ath_radio_disable(sc);
-                       state = RFKILL_STATE_HARD_BLOCKED;
-               }
-
-               if (state == RFKILL_STATE_HARD_BLOCKED)
-                       sc->sc_flags |= SC_OP_RFKILL_HW_BLOCKED;
-               else
-                       sc->sc_flags &= ~SC_OP_RFKILL_HW_BLOCKED;
-
-               rfkill_force_state(sc->rf_kill.rfkill, state);
-       }
-
-       queue_delayed_work(sc->hw->workqueue, &sc->rf_kill.rfkill_poll,
-                          msecs_to_jiffies(ATH_RFKILL_POLL_INTERVAL));
-}
-
-/* s/w rfkill handler */
-static int ath_sw_toggle_radio(void *data, enum rfkill_state state)
+static void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
 {
-       struct ath_softc *sc = data;
-
-       switch (state) {
-       case RFKILL_STATE_SOFT_BLOCKED:
-               if (!(sc->sc_flags & (SC_OP_RFKILL_HW_BLOCKED |
-                   SC_OP_RFKILL_SW_BLOCKED)))
-                       ath_radio_disable(sc);
-               sc->sc_flags |= SC_OP_RFKILL_SW_BLOCKED;
-               return 0;
-       case RFKILL_STATE_UNBLOCKED:
-               if ((sc->sc_flags & SC_OP_RFKILL_SW_BLOCKED)) {
-                       sc->sc_flags &= ~SC_OP_RFKILL_SW_BLOCKED;
-                       if (sc->sc_flags & SC_OP_RFKILL_HW_BLOCKED) {
-                               DPRINTF(sc, ATH_DBG_FATAL, "Can't turn on the"
-                                       "radio as it is disabled by h/w\n");
-                               return -EPERM;
-                       }
-                       ath_radio_enable(sc);
-               }
-               return 0;
-       default:
-               return -EINVAL;
-       }
-}
-
-/* Init s/w rfkill */
-static int ath_init_sw_rfkill(struct ath_softc *sc)
-{
-       sc->rf_kill.rfkill = rfkill_allocate(wiphy_dev(sc->hw->wiphy),
-                                            RFKILL_TYPE_WLAN);
-       if (!sc->rf_kill.rfkill) {
-               DPRINTF(sc, ATH_DBG_FATAL, "Failed to allocate rfkill\n");
-               return -ENOMEM;
-       }
-
-       snprintf(sc->rf_kill.rfkill_name, sizeof(sc->rf_kill.rfkill_name),
-               "ath9k-%s::rfkill", wiphy_name(sc->hw->wiphy));
-       sc->rf_kill.rfkill->name = sc->rf_kill.rfkill_name;
-       sc->rf_kill.rfkill->data = sc;
-       sc->rf_kill.rfkill->toggle_radio = ath_sw_toggle_radio;
-       sc->rf_kill.rfkill->state = RFKILL_STATE_UNBLOCKED;
-
-       return 0;
-}
+       struct ath_wiphy *aphy = hw->priv;
+       struct ath_softc *sc = aphy->sc;
+       bool blocked = !!ath_is_rfkill_set(sc);
 
-/* Deinitialize rfkill */
-static void ath_deinit_rfkill(struct ath_softc *sc)
-{
-       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
-               cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
+       wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
 
-       if (sc->sc_flags & SC_OP_RFKILL_REGISTERED) {
-               rfkill_unregister(sc->rf_kill.rfkill);
-               sc->sc_flags &= ~SC_OP_RFKILL_REGISTERED;
-               sc->rf_kill.rfkill = NULL;
-       }
+       if (blocked)
+               ath_radio_disable(sc);
+       else
+               ath_radio_enable(sc);
 }
 
-static int ath_start_rfkill_poll(struct ath_softc *sc)
+static void ath_start_rfkill_poll(struct ath_softc *sc)
 {
-       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
-               queue_delayed_work(sc->hw->workqueue,
-                                  &sc->rf_kill.rfkill_poll, 0);
-
-       if (!(sc->sc_flags & SC_OP_RFKILL_REGISTERED)) {
-               if (rfkill_register(sc->rf_kill.rfkill)) {
-                       DPRINTF(sc, ATH_DBG_FATAL,
-                               "Unable to register rfkill\n");
-                       rfkill_free(sc->rf_kill.rfkill);
-
-                       /* Deinitialize the device */
-                       ath_cleanup(sc);
-                       return -EIO;
-               } else {
-                       sc->sc_flags |= SC_OP_RFKILL_REGISTERED;
-               }
-       }
+       struct ath_hw *ah = sc->sc_ah;
 
-       return 0;
+       if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+               wiphy_rfkill_start_polling(sc->hw->wiphy);
 }
-#endif /* CONFIG_RFKILL */
 
 void ath_cleanup(struct ath_softc *sc)
 {
@@ -1320,9 +1255,6 @@ void ath_detach(struct ath_softc *sc)
 
        DPRINTF(sc, ATH_DBG_CONFIG, "Detach ATH hw\n");
 
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-       ath_deinit_rfkill(sc);
-#endif
        ath_deinit_leds(sc);
        cancel_work_sync(&sc->chan_work);
        cancel_delayed_work_sync(&sc->wiphy_work);
@@ -1382,6 +1314,7 @@ static int ath_init(u16 devid, struct ath_softc *sc)
        spin_lock_init(&sc->wiphy_lock);
        spin_lock_init(&sc->sc_resetlock);
        spin_lock_init(&sc->sc_serial_rw);
+       spin_lock_init(&sc->ani_lock);
        mutex_init(&sc->mutex);
        tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
        tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
@@ -1420,8 +1353,6 @@ static int ath_init(u16 devid, struct ath_softc *sc)
        for (i = 0; i < sc->keymax; i++)
                ath9k_hw_keyreset(ah, (u16) i);
 
-       error = ath_regd_init(&sc->sc_ah->regulatory, sc->hw->wiphy,
-                             ath9k_reg_notifier);
        if (error)
                goto bad;
 
@@ -1609,7 +1540,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
        hw->max_rates = 4;
        hw->channel_change_time = 5000;
        hw->max_listen_interval = 10;
-       hw->max_rate_tries = ATH_11N_TXMAXTRY;
+       /* Hardware supports 10 but we use 4 */
+       hw->max_rate_tries = 4;
        hw->sta_data_size = sizeof(struct ath_node);
        hw->vif_data_size = sizeof(struct ath_vif);
 
@@ -1634,14 +1566,19 @@ int ath_attach(u16 devid, struct ath_softc *sc)
        if (error != 0)
                return error;
 
-       reg = &sc->sc_ah->regulatory;
-
        /* get mac address from hardware and set in mac80211 */
 
        SET_IEEE80211_PERM_ADDR(hw, sc->sc_ah->macaddr);
 
        ath_set_hw_capab(sc, hw);
 
+       error = ath_regd_init(&sc->sc_ah->regulatory, sc->hw->wiphy,
+                             ath9k_reg_notifier);
+       if (error)
+               return error;
+
+       reg = &sc->sc_ah->regulatory;
+
        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
                setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
                if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
@@ -1657,17 +1594,6 @@ int ath_attach(u16 devid, struct ath_softc *sc)
        if (error != 0)
                goto error_attach;
 
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-       /* Initialze h/w Rfkill */
-       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
-               INIT_DELAYED_WORK(&sc->rf_kill.rfkill_poll, ath_rfkill_poll);
-
-       /* Initialize s/w rfkill */
-       error = ath_init_sw_rfkill(sc);
-       if (error)
-               goto error_attach;
-#endif
-
        INIT_WORK(&sc->chan_work, ath9k_wiphy_chan_work);
        INIT_DELAYED_WORK(&sc->wiphy_work, ath9k_wiphy_work);
        sc->wiphy_scheduler_int = msecs_to_jiffies(500);
@@ -1683,6 +1609,7 @@ int ath_attach(u16 devid, struct ath_softc *sc)
        /* Initialize LED control */
        ath_init_leds(sc);
 
+       ath_start_rfkill_poll(sc);
 
        return 0;
 
@@ -1955,7 +1882,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
        struct ath_softc *sc = aphy->sc;
        struct ieee80211_channel *curchan = hw->conf.channel;
        struct ath9k_channel *init_channel;
-       int r, pos;
+       int r;
 
        DPRINTF(sc, ATH_DBG_CONFIG, "Starting driver with "
                "initial channel: %d MHz\n", curchan->center_freq);
@@ -1985,11 +1912,9 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
        /* setup initial channel */
 
-       pos = curchan->hw_value;
+       sc->chan_idx = curchan->hw_value;
 
-       sc->chan_idx = pos;
-       init_channel = &sc->sc_ah->channels[pos];
-       ath9k_update_ichannel(sc, hw, init_channel);
+       init_channel = ath_get_curchannel(sc, hw);
 
        /* Reset SERDES registers */
        ath9k_hw_configpcipowersave(sc->sc_ah, 0);
@@ -2053,10 +1978,6 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
        ieee80211_wake_queues(hw);
 
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-       r = ath_start_rfkill_poll(sc);
-#endif
-
 mutex_unlock:
        mutex_unlock(&sc->mutex);
 
@@ -2078,6 +1999,21 @@ static int ath9k_tx(struct ieee80211_hw *hw,
                goto exit;
        }
 
+       if (sc->hw->conf.flags & IEEE80211_CONF_PS) {
+               struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+               /*
+                * 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)) {
+                       DPRINTF(sc, ATH_DBG_PS, "Add PM=1 for a TX frame "
+                               "while in PS mode\n");
+                       hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
+               }
+       }
+
        if (unlikely(sc->sc_ah->power_mode != ATH9K_PM_AWAKE)) {
                /*
                 * We are using PS-Poll and mac80211 can request TX while in
@@ -2179,10 +2115,8 @@ static void ath9k_stop(struct ieee80211_hw *hw)
        } else
                sc->rx.rxlink = NULL;
 
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
-               cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
-#endif
+       wiphy_rfkill_stop_polling(sc->hw->wiphy);
+
        /* disable HAL and put h/w to sleep */
        ath9k_hw_disable(sc->sc_ah);
        ath9k_hw_configpcipowersave(sc->sc_ah, 1);
@@ -2267,7 +2201,9 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 
        ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
 
-       if (conf->type == NL80211_IFTYPE_AP)
+       if (conf->type == NL80211_IFTYPE_AP    ||
+           conf->type == NL80211_IFTYPE_ADHOC ||
+           conf->type == NL80211_IFTYPE_MONITOR)
                ath_start_ani(sc);
 
 out:
@@ -2418,8 +2354,10 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw,
        *total_flags &= SUPPORTED_FILTERS;
 
        sc->rx.rxfilter = *total_flags;
+       ath9k_ps_wakeup(sc);
        rfilt = ath_calcrxfilter(sc);
        ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
+       ath9k_ps_restore(sc);
 
        DPRINTF(sc, ATH_DBG_CONFIG, "Set HW RX filter: 0x%x\n", sc->rx.rxfilter);
 }
@@ -2750,9 +2688,9 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
        aphy->state = ATH_WIPHY_SCAN;
        ath9k_wiphy_pause_all_forced(sc, aphy);
 
-       mutex_lock(&sc->mutex);
+       spin_lock_bh(&sc->ani_lock);
        sc->sc_flags |= SC_OP_SCANNING;
-       mutex_unlock(&sc->mutex);
+       spin_unlock_bh(&sc->ani_lock);
 }
 
 static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
@@ -2760,11 +2698,11 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
        struct ath_wiphy *aphy = hw->priv;
        struct ath_softc *sc = aphy->sc;
 
-       mutex_lock(&sc->mutex);
+       spin_lock_bh(&sc->ani_lock);
        aphy->state = ATH_WIPHY_ACTIVE;
        sc->sc_flags &= ~SC_OP_SCANNING;
        sc->sc_flags |= SC_OP_FULL_RESET;
-       mutex_unlock(&sc->mutex);
+       spin_unlock_bh(&sc->ani_lock);
 }
 
 struct ieee80211_ops ath9k_ops = {
@@ -2785,6 +2723,7 @@ struct ieee80211_ops ath9k_ops = {
        .ampdu_action       = ath9k_ampdu_action,
        .sw_scan_start      = ath9k_sw_scan_start,
        .sw_scan_complete   = ath9k_sw_scan_complete,
+       .rfkill_poll        = ath9k_rfkill_poll_state,
 };
 
 static struct {