]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/net/wireless/ath9k/main.c
ath9k: Use rate_driver_data
[linux-2.6-omap-h63xx.git] / drivers / net / wireless / ath9k / main.c
index acebdf1d20a842048ceaa1dcb5fcfbf117ce6fcc..11d7bee2fda059a046492daaf306f3ac63f45768 100644 (file)
 
 #include <linux/nl80211.h>
 #include "core.h"
+#include "reg.h"
 
 #define ATH_PCI_VERSION "0.1"
 
-#define IEEE80211_HTCAP_MAXRXAMPDU_FACTOR      13
-#define IEEE80211_ACTION_CAT_HT                        7
-#define IEEE80211_ACTION_HT_TXCHWIDTH          0
-
 static char *dev_info = "ath9k";
 
 MODULE_AUTHOR("Atheros Communications");
@@ -41,6 +38,8 @@ static struct pci_device_id ath_pci_id_table[] __devinitdata = {
        { 0 }
 };
 
+static void ath_detach(struct ath_softc *sc);
+
 static int ath_get_channel(struct ath_softc *sc,
                           struct ieee80211_channel *chan)
 {
@@ -63,24 +62,24 @@ static u32 ath_get_extchanmode(struct ath_softc *sc,
 
        switch (chan->band) {
        case IEEE80211_BAND_2GHZ:
-               if ((ext_chan_offset == IEEE80211_HT_IE_CHA_SEC_NONE) &&
+               if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE) &&
                    (tx_chan_width == ATH9K_HT_MACMODE_20))
                        chanmode = CHANNEL_G_HT20;
-               if ((ext_chan_offset == IEEE80211_HT_IE_CHA_SEC_ABOVE) &&
+               if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE) &&
                    (tx_chan_width == ATH9K_HT_MACMODE_2040))
                        chanmode = CHANNEL_G_HT40PLUS;
-               if ((ext_chan_offset == IEEE80211_HT_IE_CHA_SEC_BELOW) &&
+               if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW) &&
                    (tx_chan_width == ATH9K_HT_MACMODE_2040))
                        chanmode = CHANNEL_G_HT40MINUS;
                break;
        case IEEE80211_BAND_5GHZ:
-               if ((ext_chan_offset == IEEE80211_HT_IE_CHA_SEC_NONE) &&
+               if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE) &&
                    (tx_chan_width == ATH9K_HT_MACMODE_20))
                        chanmode = CHANNEL_A_HT20;
-               if ((ext_chan_offset == IEEE80211_HT_IE_CHA_SEC_ABOVE) &&
+               if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE) &&
                    (tx_chan_width == ATH9K_HT_MACMODE_2040))
                        chanmode = CHANNEL_A_HT40PLUS;
-               if ((ext_chan_offset == IEEE80211_HT_IE_CHA_SEC_BELOW) &&
+               if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW) &&
                    (tx_chan_width == ATH9K_HT_MACMODE_2040))
                        chanmode = CHANNEL_A_HT40MINUS;
                break;
@@ -142,7 +141,7 @@ static int ath_key_config(struct ath_softc *sc,
        struct ath9k_keyval hk;
        const u8 *mac = NULL;
        int ret = 0;
-       enum ieee80211_if_types opmode;
+       enum nl80211_iftype opmode;
 
        memset(&hk, 0, sizeof(hk));
 
@@ -166,7 +165,7 @@ static int ath_key_config(struct ath_softc *sc,
        if (!sc->sc_vaps[0])
                return -EIO;
 
-       vif = sc->sc_vaps[0]->av_if_data;
+       vif = sc->sc_vaps[0];
        opmode = vif->type;
 
        /*
@@ -181,14 +180,14 @@ static int ath_key_config(struct ath_softc *sc,
         */
        if (is_broadcast_ether_addr(addr)) {
                switch (opmode) {
-               case IEEE80211_IF_TYPE_STA:
+               case NL80211_IFTYPE_STATION:
                        /* default key:  could be group WPA key
                         * or could be static WEP key */
                        mac = NULL;
                        break;
-               case IEEE80211_IF_TYPE_IBSS:
+               case NL80211_IFTYPE_ADHOC:
                        break;
-               case IEEE80211_IF_TYPE_AP:
+               case NL80211_IFTYPE_AP:
                        break;
                default:
                        ASSERT(0);
@@ -211,123 +210,634 @@ static int ath_key_config(struct ath_softc *sc,
 
 static void ath_key_delete(struct ath_softc *sc, struct ieee80211_key_conf *key)
 {
-#define ATH_MAX_NUM_KEYS 4
        int freeslot;
 
-       freeslot = (key->keyidx >= ATH_MAX_NUM_KEYS) ? 1 : 0;
+       freeslot = (key->keyidx >= 4) ? 1 : 0;
        ath_key_reset(sc, key->keyidx, freeslot);
-#undef ATH_MAX_NUM_KEYS
 }
 
-static void setup_ht_cap(struct ieee80211_ht_info *ht_info)
+static void setup_ht_cap(struct ieee80211_sta_ht_cap *ht_info)
 {
-/* Until mac80211 includes these fields */
-
-#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
-#define        IEEE80211_HT_CAP_MAXRXAMPDU_65536 0x3   /* 2 ^ 16 */
-#define        IEEE80211_HT_CAP_MPDUDENSITY_8 0x6      /* 8 usec */
-
-       ht_info->ht_supported = 1;
-       ht_info->cap = (u16)IEEE80211_HT_CAP_SUP_WIDTH
-                       |(u16)IEEE80211_HT_CAP_MIMO_PS
-                       |(u16)IEEE80211_HT_CAP_SGI_40
-                       |(u16)IEEE80211_HT_CAP_DSSSCCK40;
-
-       ht_info->ampdu_factor = IEEE80211_HT_CAP_MAXRXAMPDU_65536;
-       ht_info->ampdu_density = IEEE80211_HT_CAP_MPDUDENSITY_8;
-       /* setup supported mcs set */
-       memset(ht_info->supp_mcs_set, 0, 16);
-       ht_info->supp_mcs_set[0] = 0xff;
-       ht_info->supp_mcs_set[1] = 0xff;
-       ht_info->supp_mcs_set[12] = IEEE80211_HT_CAP_MCS_TX_DEFINED;
+#define        ATH9K_HT_CAP_MAXRXAMPDU_65536 0x3       /* 2 ^ 16 */
+#define        ATH9K_HT_CAP_MPDUDENSITY_8 0x6          /* 8 usec */
+
+       ht_info->ht_supported = true;
+       ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+                      IEEE80211_HT_CAP_SM_PS |
+                      IEEE80211_HT_CAP_SGI_40 |
+                      IEEE80211_HT_CAP_DSSSCCK40;
+
+       ht_info->ampdu_factor = ATH9K_HT_CAP_MAXRXAMPDU_65536;
+       ht_info->ampdu_density = ATH9K_HT_CAP_MPDUDENSITY_8;
+       /* set up supported mcs set */
+       memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
+       ht_info->mcs.rx_mask[0] = 0xff;
+       ht_info->mcs.rx_mask[1] = 0xff;
+       ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
 }
 
-static int ath_rate2idx(struct ath_softc *sc, int rate)
+static void ath9k_ht_conf(struct ath_softc *sc,
+                         struct ieee80211_bss_conf *bss_conf)
+{
+       struct ath_ht_info *ht_info = &sc->sc_ht_info;
+
+       if (sc->hw->conf.ht.enabled) {
+               ht_info->ext_chan_offset = bss_conf->ht.secondary_channel_offset;
+
+               if (bss_conf->ht.width_40_ok)
+                       ht_info->tx_chan_width = ATH9K_HT_MACMODE_2040;
+               else
+                       ht_info->tx_chan_width = ATH9K_HT_MACMODE_20;
+
+               ath9k_hw_set11nmac2040(sc->sc_ah, ht_info->tx_chan_width);
+       }
+}
+
+static void ath9k_bss_assoc_info(struct ath_softc *sc,
+                                struct ieee80211_vif *vif,
+                                struct ieee80211_bss_conf *bss_conf)
 {
-       int i = 0, cur_band, n_rates;
        struct ieee80211_hw *hw = sc->hw;
+       struct ieee80211_channel *curchan = hw->conf.channel;
+       struct ath_vap *avp = (void *)vif->drv_priv;
+       int pos;
 
-       cur_band = hw->conf.channel->band;
-       n_rates = sc->sbands[cur_band].n_bitrates;
+       if (bss_conf->assoc) {
+               DPRINTF(sc, ATH_DBG_CONFIG, "%s: Bss Info ASSOC %d\n",
+                       __func__,
+                       bss_conf->aid);
 
-       for (i = 0; i < n_rates; i++) {
-               if (sc->sbands[cur_band].bitrates[i].bitrate == rate)
-                       break;
+               /* New association, store aid */
+               if (avp->av_opmode == ATH9K_M_STA) {
+                       sc->sc_curaid = bss_conf->aid;
+                       ath9k_hw_write_associd(sc->sc_ah, sc->sc_curbssid,
+                                              sc->sc_curaid);
+               }
+
+               /* Configure the beacon */
+               ath_beacon_config(sc, 0);
+               sc->sc_flags |= SC_OP_BEACONS;
+
+               /* Reset rssi stats */
+               sc->sc_halstats.ns_avgbrssi = ATH_RSSI_DUMMY_MARKER;
+               sc->sc_halstats.ns_avgrssi = ATH_RSSI_DUMMY_MARKER;
+               sc->sc_halstats.ns_avgtxrssi = ATH_RSSI_DUMMY_MARKER;
+               sc->sc_halstats.ns_avgtxrate = ATH_RATE_DUMMY_MARKER;
+
+               /* Update chainmask */
+               ath_update_chainmask(sc, hw->conf.ht.enabled);
+
+               DPRINTF(sc, ATH_DBG_CONFIG,
+                       "%s: bssid %pM aid 0x%x\n",
+                       __func__,
+                       sc->sc_curbssid, sc->sc_curaid);
+
+               DPRINTF(sc, ATH_DBG_CONFIG, "%s: Set channel: %d MHz\n",
+                       __func__,
+                       curchan->center_freq);
+
+               pos = ath_get_channel(sc, curchan);
+               if (pos == -1) {
+                       DPRINTF(sc, ATH_DBG_FATAL,
+                               "%s: Invalid channel\n", __func__);
+                       return;
+               }
+
+               if (hw->conf.ht.enabled)
+                       sc->sc_ah->ah_channels[pos].chanmode =
+                               ath_get_extchanmode(sc, curchan);
+               else
+                       sc->sc_ah->ah_channels[pos].chanmode =
+                               (curchan->band == IEEE80211_BAND_2GHZ) ?
+                               CHANNEL_G : CHANNEL_A;
+
+               /* set h/w channel */
+               if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0)
+                       DPRINTF(sc, ATH_DBG_FATAL,
+                               "%s: Unable to set channel\n",
+                               __func__);
+               /* Start ANI */
+               mod_timer(&sc->sc_ani.timer,
+                       jiffies + msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
+
+       } else {
+               DPRINTF(sc, ATH_DBG_CONFIG,
+               "%s: Bss Info DISSOC\n", __func__);
+               sc->sc_curaid = 0;
        }
+}
 
-       /*
-        * NB:mac80211 validates rx rate index against the supported legacy rate
-        * index only (should be done against ht rates also), return the highest
-        * legacy rate index for rx rate which does not match any one of the
-        * supported basic and extended rates to make mac80211 happy.
-        * The following hack will be cleaned up once the issue with
-        * the rx rate index validation in mac80211 is fixed.
-        */
-       if (i == n_rates)
-               return n_rates - 1;
-       return i;
+void ath_get_beaconconfig(struct ath_softc *sc,
+                         int if_id,
+                         struct ath_beacon_config *conf)
+{
+       struct ieee80211_hw *hw = sc->hw;
+
+       /* fill in beacon config data */
+
+       conf->beacon_interval = hw->conf.beacon_int;
+       conf->listen_interval = 100;
+       conf->dtim_count = 1;
+       conf->bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * conf->listen_interval;
 }
 
-static void ath9k_rx_prepare(struct ath_softc *sc,
-                            struct sk_buff *skb,
-                            struct ath_recv_status *status,
-                            struct ieee80211_rx_status *rx_status)
+void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
+                    struct ath_xmit_status *tx_status)
 {
        struct ieee80211_hw *hw = sc->hw;
-       struct ieee80211_channel *curchan = hw->conf.channel;
+       struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+
+       DPRINTF(sc, ATH_DBG_XMIT,
+               "%s: TX complete: skb: %p\n", __func__, skb);
+
+       if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
+               tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
+               if (tx_info->rate_driver_data[0] != NULL) {
+                       kfree(tx_info->rate_driver_data[0]);
+                       tx_info->rate_driver_data[0] = NULL;
+               }
+       }
+
+       if (tx_status->flags & ATH_TX_BAR) {
+               tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
+               tx_status->flags &= ~ATH_TX_BAR;
+       }
+
+       if (!(tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY))) {
+               /* Frame was ACKed */
+               tx_info->flags |= IEEE80211_TX_STAT_ACK;
+       }
+
+       tx_info->status.rates[0].count = tx_status->retries + 1;
+
+       ieee80211_tx_status(hw, skb);
+}
+
+/********************************/
+/*      LED functions          */
+/********************************/
+
+static void ath_led_brightness(struct led_classdev *led_cdev,
+                              enum led_brightness brightness)
+{
+       struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev);
+       struct ath_softc *sc = led->sc;
+
+       switch (brightness) {
+       case LED_OFF:
+               if (led->led_type == ATH_LED_ASSOC ||
+                   led->led_type == ATH_LED_RADIO)
+                       sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
+               ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN,
+                               (led->led_type == ATH_LED_RADIO) ? 1 :
+                               !!(sc->sc_flags & SC_OP_LED_ASSOCIATED));
+               break;
+       case LED_FULL:
+               if (led->led_type == ATH_LED_ASSOC)
+                       sc->sc_flags |= SC_OP_LED_ASSOCIATED;
+               ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 0);
+               break;
+       default:
+               break;
+       }
+}
+
+static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
+                           char *trigger)
+{
+       int ret;
+
+       led->sc = sc;
+       led->led_cdev.name = led->name;
+       led->led_cdev.default_trigger = trigger;
+       led->led_cdev.brightness_set = ath_led_brightness;
+
+       ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->led_cdev);
+       if (ret)
+               DPRINTF(sc, ATH_DBG_FATAL,
+                       "Failed to register led:%s", led->name);
+       else
+               led->registered = 1;
+       return ret;
+}
+
+static void ath_unregister_led(struct ath_led *led)
+{
+       if (led->registered) {
+               led_classdev_unregister(&led->led_cdev);
+               led->registered = 0;
+       }
+}
+
+static void ath_deinit_leds(struct ath_softc *sc)
+{
+       ath_unregister_led(&sc->assoc_led);
+       sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
+       ath_unregister_led(&sc->tx_led);
+       ath_unregister_led(&sc->rx_led);
+       ath_unregister_led(&sc->radio_led);
+       ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+}
+
+static void ath_init_leds(struct ath_softc *sc)
+{
+       char *trigger;
+       int ret;
+
+       /* Configure gpio 1 for output */
+       ath9k_hw_cfg_output(sc->sc_ah, ATH_LED_PIN,
+                           AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+       /* LED off, active low */
+       ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+
+       trigger = ieee80211_get_radio_led_name(sc->hw);
+       snprintf(sc->radio_led.name, sizeof(sc->radio_led.name),
+               "ath9k-%s:radio", wiphy_name(sc->hw->wiphy));
+       ret = ath_register_led(sc, &sc->radio_led, trigger);
+       sc->radio_led.led_type = ATH_LED_RADIO;
+       if (ret)
+               goto fail;
+
+       trigger = ieee80211_get_assoc_led_name(sc->hw);
+       snprintf(sc->assoc_led.name, sizeof(sc->assoc_led.name),
+               "ath9k-%s:assoc", wiphy_name(sc->hw->wiphy));
+       ret = ath_register_led(sc, &sc->assoc_led, trigger);
+       sc->assoc_led.led_type = ATH_LED_ASSOC;
+       if (ret)
+               goto fail;
+
+       trigger = ieee80211_get_tx_led_name(sc->hw);
+       snprintf(sc->tx_led.name, sizeof(sc->tx_led.name),
+               "ath9k-%s:tx", wiphy_name(sc->hw->wiphy));
+       ret = ath_register_led(sc, &sc->tx_led, trigger);
+       sc->tx_led.led_type = ATH_LED_TX;
+       if (ret)
+               goto fail;
+
+       trigger = ieee80211_get_rx_led_name(sc->hw);
+       snprintf(sc->rx_led.name, sizeof(sc->rx_led.name),
+               "ath9k-%s:rx", wiphy_name(sc->hw->wiphy));
+       ret = ath_register_led(sc, &sc->rx_led, trigger);
+       sc->rx_led.led_type = ATH_LED_RX;
+       if (ret)
+               goto fail;
+
+       return;
+
+fail:
+       ath_deinit_leds(sc);
+}
+
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+
+/*******************/
+/*     Rfkill     */
+/*******************/
+
+static void ath_radio_enable(struct ath_softc *sc)
+{
+       struct ath_hal *ah = sc->sc_ah;
+       int status;
+
+       spin_lock_bh(&sc->sc_resetlock);
+       if (!ath9k_hw_reset(ah, ah->ah_curchan,
+                           sc->sc_ht_info.tx_chan_width,
+                           sc->sc_tx_chainmask,
+                           sc->sc_rx_chainmask,
+                           sc->sc_ht_extprotspacing,
+                           false, &status)) {
+               DPRINTF(sc, ATH_DBG_FATAL,
+                       "%s: unable to reset channel %u (%uMhz) "
+                       "flags 0x%x hal status %u\n", __func__,
+                       ath9k_hw_mhz2ieee(ah,
+                                         ah->ah_curchan->channel,
+                                         ah->ah_curchan->channelFlags),
+                       ah->ah_curchan->channel,
+                       ah->ah_curchan->channelFlags, status);
+       }
+       spin_unlock_bh(&sc->sc_resetlock);
+
+       ath_update_txpow(sc);
+       if (ath_startrecv(sc) != 0) {
+               DPRINTF(sc, ATH_DBG_FATAL,
+                       "%s: unable to restart recv logic\n", __func__);
+               return;
+       }
+
+       if (sc->sc_flags & SC_OP_BEACONS)
+               ath_beacon_config(sc, ATH_IF_ID_ANY);   /* restart beacons */
 
-       memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
+       /* Re-Enable  interrupts */
+       ath9k_hw_set_interrupts(ah, sc->sc_imask);
 
-       rx_status->mactime = status->tsf;
-       rx_status->band = curchan->band;
-       rx_status->freq =  curchan->center_freq;
-       rx_status->noise = ATH_DEFAULT_NOISE_FLOOR;
-       rx_status->signal = rx_status->noise + status->rssi;
-       rx_status->rate_idx = ath_rate2idx(sc, (status->rateKbps / 100));
-       rx_status->antenna = status->antenna;
-       rx_status->qual = status->rssi * 100 / 64;
+       /* Enable LED */
+       ath9k_hw_cfg_output(ah, ATH_LED_PIN,
+                           AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+       ath9k_hw_set_gpio(ah, ATH_LED_PIN, 0);
 
-       if (status->flags & ATH_RX_MIC_ERROR)
-               rx_status->flag |= RX_FLAG_MMIC_ERROR;
-       if (status->flags & ATH_RX_FCS_ERROR)
-               rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+       ieee80211_wake_queues(sc->hw);
+}
+
+static void ath_radio_disable(struct ath_softc *sc)
+{
+       struct ath_hal *ah = sc->sc_ah;
+       int status;
+
+
+       ieee80211_stop_queues(sc->hw);
+
+       /* Disable LED */
+       ath9k_hw_set_gpio(ah, ATH_LED_PIN, 1);
+       ath9k_hw_cfg_gpio_input(ah, ATH_LED_PIN);
 
-       rx_status->flag |= RX_FLAG_TSFT;
+       /* Disable interrupts */
+       ath9k_hw_set_interrupts(ah, 0);
+
+       ath_draintxq(sc, false);        /* clear pending tx frames */
+       ath_stoprecv(sc);               /* turn off frame recv */
+       ath_flushrecv(sc);              /* flush recv queue */
+
+       spin_lock_bh(&sc->sc_resetlock);
+       if (!ath9k_hw_reset(ah, ah->ah_curchan,
+                           sc->sc_ht_info.tx_chan_width,
+                           sc->sc_tx_chainmask,
+                           sc->sc_rx_chainmask,
+                           sc->sc_ht_extprotspacing,
+                           false, &status)) {
+               DPRINTF(sc, ATH_DBG_FATAL,
+                       "%s: unable to reset channel %u (%uMhz) "
+                       "flags 0x%x hal status %u\n", __func__,
+                       ath9k_hw_mhz2ieee(ah,
+                               ah->ah_curchan->channel,
+                               ah->ah_curchan->channelFlags),
+                       ah->ah_curchan->channel,
+                       ah->ah_curchan->channelFlags, status);
+       }
+       spin_unlock_bh(&sc->sc_resetlock);
+
+       ath9k_hw_phy_disable(ah);
+       ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
 }
 
-static u8 parse_mpdudensity(u8 mpdudensity)
+static bool ath_is_rfkill_set(struct ath_softc *sc)
 {
+       struct ath_hal *ah = sc->sc_ah;
+
+       return ath9k_hw_gpio_get(ah, ah->ah_rfkill_gpio) ==
+                                 ah->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);
+
        /*
-        * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
-        *   0 for no restriction
-        *   1 for 1/4 us
-        *   2 for 1/2 us
-        *   3 for 1 us
-        *   4 for 2 us
-        *   5 for 4 us
-        *   6 for 8 us
-        *   7 for 16 us
+        * enable/disable radio only when there is a
+        * state change in RF switch
         */
-       switch (mpdudensity) {
-       case 0:
+       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)
+{
+       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 1:
-       case 2:
-       case 3:
-               /* Our lower layer calculations limit our precision to
-                  1 microsecond */
-               return 1;
-       case 4:
-               return 2;
-       case 5:
-               return 4;
-       case 6:
-               return 8;
-       case 7:
-               return 16;
-       default:
+       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;
+       sc->rf_kill.rfkill->user_claim_unsupported = 1;
+
+       return 0;
+}
+
+/* Deinitialize rfkill */
+static void ath_deinit_rfkill(struct ath_softc *sc)
+{
+       if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+               cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
+
+       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;
+       }
+}
+
+static int ath_start_rfkill_poll(struct ath_softc *sc)
+{
+       if (sc->sc_ah->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_detach(sc);
+                       if (sc->pdev->irq)
+                               free_irq(sc->pdev->irq, sc);
+                       pci_iounmap(sc->pdev, sc->mem);
+                       pci_release_region(sc->pdev, 0);
+                       pci_disable_device(sc->pdev);
+                       ieee80211_free_hw(sc->hw);
+                       return -EIO;
+               } else {
+                       sc->sc_flags |= SC_OP_RFKILL_REGISTERED;
+               }
+       }
+
+       return 0;
+}
+#endif /* CONFIG_RFKILL */
+
+static void ath_detach(struct ath_softc *sc)
+{
+       struct ieee80211_hw *hw = sc->hw;
+       int i = 0;
+
+       DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach ATH hw\n", __func__);
+
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+       ath_deinit_rfkill(sc);
+#endif
+       ath_deinit_leds(sc);
+
+       ieee80211_unregister_hw(hw);
+
+       ath_rate_control_unregister();
+
+       ath_rx_cleanup(sc);
+       ath_tx_cleanup(sc);
+
+       tasklet_kill(&sc->intr_tq);
+       tasklet_kill(&sc->bcon_tasklet);
+
+       if (!(sc->sc_flags & SC_OP_INVALID))
+               ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
+
+       /* cleanup tx queues */
+       for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+               if (ATH_TXQ_SETUP(sc, i))
+                       ath_tx_cleanupq(sc, &sc->sc_txq[i]);
+
+       ath9k_hw_detach(sc->sc_ah);
+}
+
+static int ath_attach(u16 devid, struct ath_softc *sc)
+{
+       struct ieee80211_hw *hw = sc->hw;
+       int error = 0;
+
+       DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach ATH hw\n", __func__);
+
+       error = ath_init(devid, sc);
+       if (error != 0)
+               return error;
+
+       /* get mac address from hardware and set in mac80211 */
+
+       SET_IEEE80211_PERM_ADDR(hw, sc->sc_myaddr);
+
+       hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+               IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+               IEEE80211_HW_SIGNAL_DBM |
+               IEEE80211_HW_AMPDU_AGGREGATION;
+
+       hw->wiphy->interface_modes =
+               BIT(NL80211_IFTYPE_AP) |
+               BIT(NL80211_IFTYPE_STATION) |
+               BIT(NL80211_IFTYPE_ADHOC);
+
+       hw->queues = 4;
+       hw->sta_data_size = sizeof(struct ath_node);
+       hw->vif_data_size = sizeof(struct ath_vap);
+
+       /* Register rate control */
+       hw->rate_control_algorithm = "ath9k_rate_control";
+       error = ath_rate_control_register();
+       if (error != 0) {
+               DPRINTF(sc, ATH_DBG_FATAL,
+                       "%s: Unable to register rate control "
+                       "algorithm:%d\n", __func__, error);
+               ath_rate_control_unregister();
+               goto bad;
+       }
+
+       if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT) {
+               setup_ht_cap(&sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
+               if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes))
+                       setup_ht_cap(&sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
        }
+
+       hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &sc->sbands[IEEE80211_BAND_2GHZ];
+       if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes))
+               hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+                       &sc->sbands[IEEE80211_BAND_5GHZ];
+
+       /* initialize tx/rx engine */
+       error = ath_tx_init(sc, ATH_TXBUF);
+       if (error != 0)
+               goto detach;
+
+       error = ath_rx_init(sc, ATH_RXBUF);
+       if (error != 0)
+               goto detach;
+
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+       /* Initialze h/w Rfkill */
+       if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+               INIT_DELAYED_WORK(&sc->rf_kill.rfkill_poll, ath_rfkill_poll);
+
+       /* Initialize s/w rfkill */
+       if (ath_init_sw_rfkill(sc))
+               goto detach;
+#endif
+
+       error = ieee80211_register_hw(hw);
+       if (error != 0) {
+               ath_rate_control_unregister();
+               goto bad;
+       }
+
+       /* Initialize LED control */
+       ath_init_leds(sc);
+
+       return 0;
+detach:
+       ath_detach(sc);
+bad:
+       return error;
 }
 
 static int ath9k_start(struct ieee80211_hw *hw)
@@ -339,35 +849,44 @@ static int ath9k_start(struct ieee80211_hw *hw)
        DPRINTF(sc, ATH_DBG_CONFIG, "%s: Starting driver with "
                "initial channel: %d MHz\n", __func__, curchan->center_freq);
 
+       memset(&sc->sc_ht_info, 0, sizeof(struct ath_ht_info));
+
        /* setup initial channel */
 
        pos = ath_get_channel(sc, curchan);
        if (pos == -1) {
                DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid channel\n", __func__);
-               return -EINVAL;
+               error = -EINVAL;
+               goto exit;
        }
 
        sc->sc_ah->ah_channels[pos].chanmode =
                (curchan->band == IEEE80211_BAND_2GHZ) ? CHANNEL_G : CHANNEL_A;
 
-       /* open ath_dev */
        error = ath_open(sc, &sc->sc_ah->ah_channels[pos]);
        if (error) {
                DPRINTF(sc, ATH_DBG_FATAL,
                        "%s: Unable to complete ath_open\n", __func__);
-               return error;
+               goto exit;
        }
 
-       ieee80211_wake_queues(hw);
-       return 0;
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+       error = ath_start_rfkill_poll(sc);
+#endif
+
+exit:
+       return error;
 }
 
 static int ath9k_tx(struct ieee80211_hw *hw,
                    struct sk_buff *skb)
 {
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
        struct ath_softc *sc = hw->priv;
+       struct ath_tx_control txctl;
        int hdrlen, padsize;
-       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+       memset(&txctl, 0, sizeof(struct ath_tx_control));
 
        /*
         * As a temporary workaround, assign seq# here; this will likely need
@@ -392,40 +911,47 @@ static int ath9k_tx(struct ieee80211_hw *hw,
                memmove(skb->data, skb->data + padsize, hdrlen);
        }
 
+       /* Check if a tx queue is available */
+
+       txctl.txq = ath_test_get_txq(sc, skb);
+       if (!txctl.txq)
+               goto exit;
+
        DPRINTF(sc, ATH_DBG_XMIT, "%s: transmitting packet, skb: %p\n",
                __func__,
                skb);
 
-       if (ath_tx_start(sc, skb) != 0) {
+       if (ath_tx_start(sc, skb, &txctl) != 0) {
                DPRINTF(sc, ATH_DBG_XMIT, "%s: TX failed\n", __func__);
-               dev_kfree_skb_any(skb);
-               /* FIXME: Check for proper return value from ATH_DEV */
-               return 0;
+               goto exit;
        }
 
+       return 0;
+exit:
+       dev_kfree_skb_any(skb);
        return 0;
 }
 
 static void ath9k_stop(struct ieee80211_hw *hw)
 {
        struct ath_softc *sc = hw->priv;
-       int error;
 
-       DPRINTF(sc, ATH_DBG_CONFIG, "%s: Driver halt\n", __func__);
+       if (sc->sc_flags & SC_OP_INVALID) {
+               DPRINTF(sc, ATH_DBG_ANY, "%s: Device not present\n", __func__);
+               return;
+       }
 
-       error = ath_suspend(sc);
-       if (error)
-               DPRINTF(sc, ATH_DBG_CONFIG,
-                       "%s: Device is no longer present\n", __func__);
+       ath_stop(sc);
 
-       ieee80211_stop_queues(hw);
+       DPRINTF(sc, ATH_DBG_CONFIG, "%s: Driver halt\n", __func__);
 }
 
 static int ath9k_add_interface(struct ieee80211_hw *hw,
                               struct ieee80211_if_init_conf *conf)
 {
        struct ath_softc *sc = hw->priv;
-       int error, ic_opmode = 0;
+       struct ath_vap *avp = (void *)conf->vif->drv_priv;
+       int ic_opmode = 0;
 
        /* Support only vap for now */
 
@@ -433,16 +959,19 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
                return -ENOBUFS;
 
        switch (conf->type) {
-       case IEEE80211_IF_TYPE_STA:
+       case NL80211_IFTYPE_STATION:
                ic_opmode = ATH9K_M_STA;
                break;
-       case IEEE80211_IF_TYPE_IBSS:
+       case NL80211_IFTYPE_ADHOC:
                ic_opmode = ATH9K_M_IBSS;
                break;
+       case NL80211_IFTYPE_AP:
+               ic_opmode = ATH9K_M_HOSTAP;
+               break;
        default:
                DPRINTF(sc, ATH_DBG_FATAL,
-                       "%s: Only STA and IBSS are supported currently\n",
-                       __func__);
+                       "%s: Interface type %d not yet supported\n",
+                       __func__, conf->type);
                return -EOPNOTSUPP;
        }
 
@@ -450,12 +979,24 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
                __func__,
                ic_opmode);
 
-       error = ath_vap_attach(sc, 0, conf->vif, ic_opmode);
-       if (error) {
-               DPRINTF(sc, ATH_DBG_FATAL,
-                       "%s: Unable to attach vap, error: %d\n",
-                       __func__, error);
-               return error;
+       /* Set the VAP opmode */
+       avp->av_opmode = ic_opmode;
+       avp->av_bslot = -1;
+
+       if (ic_opmode == ATH9K_M_HOSTAP)
+               ath9k_hw_set_tsfadjust(sc->sc_ah, 1);
+
+       sc->sc_vaps[0] = conf->vif;
+       sc->sc_nvaps++;
+
+       /* Set the device opmode */
+       sc->sc_ah->ah_opmode = ic_opmode;
+
+       if (conf->type == NL80211_IFTYPE_AP) {
+               /* TODO: is this a suitable place to start ANI for AP mode? */
+               /* Start ANI */
+               mod_timer(&sc->sc_ani.timer,
+                         jiffies + msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
        }
 
        return 0;
@@ -465,54 +1006,43 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
                                   struct ieee80211_if_init_conf *conf)
 {
        struct ath_softc *sc = hw->priv;
-       struct ath_vap *avp;
-       int error;
+       struct ath_vap *avp = (void *)conf->vif->drv_priv;
 
        DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach VAP\n", __func__);
 
-       avp = sc->sc_vaps[0];
-       if (avp == NULL) {
-               DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
-                       __func__);
-               return;
-       }
-
 #ifdef CONFIG_SLOW_ANT_DIV
        ath_slow_ant_div_stop(&sc->sc_antdiv);
 #endif
-
-       /* Update ratectrl */
-       ath_rate_newstate(sc, avp);
+       /* Stop ANI */
+       del_timer_sync(&sc->sc_ani.timer);
 
        /* Reclaim beacon resources */
-       if (sc->sc_opmode == ATH9K_M_HOSTAP || sc->sc_opmode == ATH9K_M_IBSS) {
+       if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP ||
+           sc->sc_ah->ah_opmode == ATH9K_M_IBSS) {
                ath9k_hw_stoptxdma(sc->sc_ah, sc->sc_bhalq);
                ath_beacon_return(sc, avp);
        }
 
-       /* Set interrupt mask */
-       sc->sc_imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
-       ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_imask & ~ATH9K_INT_GLOBAL);
-       sc->sc_beacons = 0;
+       sc->sc_flags &= ~SC_OP_BEACONS;
 
-       error = ath_vap_detach(sc, 0);
-       if (error)
-               DPRINTF(sc, ATH_DBG_FATAL,
-                       "%s: Unable to detach vap, error: %d\n",
-                       __func__, error);
+       sc->sc_vaps[0] = NULL;
+       sc->sc_nvaps--;
 }
 
-static int ath9k_config(struct ieee80211_hw *hw,
-                       struct ieee80211_conf *conf)
+static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 {
        struct ath_softc *sc = hw->priv;
        struct ieee80211_channel *curchan = hw->conf.channel;
+       struct ieee80211_conf *conf = &hw->conf;
        int pos;
 
        DPRINTF(sc, ATH_DBG_CONFIG, "%s: Set channel: %d MHz\n",
                __func__,
                curchan->center_freq);
 
+       /* Update chainmask */
+       ath_update_chainmask(sc, conf->ht.enabled);
+
        pos = ath_get_channel(sc, curchan);
        if (pos == -1) {
                DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid channel\n", __func__);
@@ -523,11 +1053,12 @@ static int ath9k_config(struct ieee80211_hw *hw,
                (curchan->band == IEEE80211_BAND_2GHZ) ?
                CHANNEL_G : CHANNEL_A;
 
-       if (sc->sc_curaid && hw->conf.ht_conf.ht_supported)
+       if (sc->sc_curaid && hw->conf.ht.enabled)
                sc->sc_ah->ah_channels[pos].chanmode =
                        ath_get_extchanmode(sc, curchan);
 
-       sc->sc_config.txpowlimit = 2 * conf->power_level;
+       if (changed & IEEE80211_CONF_CHANGE_POWER)
+               sc->sc_config.txpowlimit = 2 * conf->power_level;
 
        /* set h/w channel */
        if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0)
@@ -542,30 +1073,27 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
                                  struct ieee80211_if_conf *conf)
 {
        struct ath_softc *sc = hw->priv;
-       struct ath_vap *avp;
+       struct ath_hal *ah = sc->sc_ah;
+       struct ath_vap *avp = (void *)vif->drv_priv;
        u32 rfilt = 0;
        int error, i;
-       DECLARE_MAC_BUF(mac);
 
-       avp = sc->sc_vaps[0];
-       if (avp == NULL) {
-               DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
-                       __func__);
-               return -EINVAL;
+       /* TODO: Need to decide which hw opmode to use for multi-interface
+        * cases */
+       if (vif->type == NL80211_IFTYPE_AP &&
+           ah->ah_opmode != ATH9K_M_HOSTAP) {
+               ah->ah_opmode = ATH9K_M_HOSTAP;
+               ath9k_hw_setopmode(ah);
+               ath9k_hw_write_associd(ah, sc->sc_myaddr, 0);
+               /* Request full reset to get hw opmode changed properly */
+               sc->sc_flags |= SC_OP_FULL_RESET;
        }
 
        if ((conf->changed & IEEE80211_IFCC_BSSID) &&
            !is_zero_ether_addr(conf->bssid)) {
                switch (vif->type) {
-               case IEEE80211_IF_TYPE_STA:
-               case IEEE80211_IF_TYPE_IBSS:
-                       /* Update ratectrl about the new state */
-                       ath_rate_newstate(sc, avp);
-
-                       /* Set rx filter */
-                       rfilt = ath_calcrxfilter(sc);
-                       ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
-
+               case NL80211_IFTYPE_STATION:
+               case NL80211_IFTYPE_ADHOC:
                        /* Set BSSID */
                        memcpy(sc->sc_curbssid, conf->bssid, ETH_ALEN);
                        sc->sc_curaid = 0;
@@ -575,30 +1103,13 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
                        /* Set aggregation protection mode parameters */
                        sc->sc_config.ath_aggr_prot = 0;
 
-                       /*
-                        * Reset our TSF so that its value is lower than the
-                        * beacon that we are trying to catch.
-                        * Only then hw will update its TSF register with the
-                        * new beacon. Reset the TSF before setting the BSSID
-                        * to avoid allowing in any frames that would update
-                        * our TSF only to have us clear it
-                        * immediately thereafter.
-                        */
-                       ath9k_hw_reset_tsf(sc->sc_ah);
-
-                       /* Disable BMISS interrupt when we're not associated */
-                       ath9k_hw_set_interrupts(sc->sc_ah,
-                                       sc->sc_imask &
-                                       ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS));
-                       sc->sc_imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
-
                        DPRINTF(sc, ATH_DBG_CONFIG,
-                               "%s: RX filter 0x%x bssid %s aid 0x%x\n",
+                               "%s: RX filter 0x%x bssid %pM aid 0x%x\n",
                                __func__, rfilt,
-                               print_mac(mac, sc->sc_curbssid), sc->sc_curaid);
+                               sc->sc_curbssid, sc->sc_curaid);
 
                        /* need to reconfigure the beacon */
-                       sc->sc_beacons = 0;
+                       sc->sc_flags &= ~SC_OP_BEACONS ;
 
                        break;
                default:
@@ -607,7 +1118,8 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
        }
 
        if ((conf->changed & IEEE80211_IFCC_BEACON) &&
-           (vif->type == IEEE80211_IF_TYPE_IBSS)) {
+           ((vif->type == NL80211_IFTYPE_ADHOC) ||
+            (vif->type == NL80211_IFTYPE_AP))) {
                /*
                 * Allocate and setup the beacon frame.
                 *
@@ -626,7 +1138,7 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
        }
 
        /* Check for WLAN_CAPABILITY_PRIVACY ? */
-       if ((avp->av_opmode != IEEE80211_IF_TYPE_STA)) {
+       if ((avp->av_opmode != ATH9K_M_STA)) {
                for (i = 0; i < IEEE80211_WEP_NKID; i++)
                        if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
                                ath9k_hw_keysetmac(sc->sc_ah,
@@ -635,7 +1147,7 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
        }
 
        /* Only legacy IBSS for now */
-       if (vif->type == IEEE80211_IF_TYPE_IBSS)
+       if (vif->type == NL80211_IFTYPE_ADHOC)
                ath_update_chainmask(sc, 0);
 
        return 0;
@@ -649,8 +1161,7 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
        FIF_BCN_PRBRESP_PROMISC |               \
        FIF_FCSFAIL)
 
-/* Accept unicast, bcast and mcast frames */
-
+/* FIXME: sc->sc_full_reset ? */
 static void ath9k_configure_filter(struct ieee80211_hw *hw,
                                   unsigned int changed_flags,
                                   unsigned int *total_flags,
@@ -658,56 +1169,37 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw,
                                   struct dev_mc_list *mclist)
 {
        struct ath_softc *sc = hw->priv;
+       u32 rfilt;
 
        changed_flags &= SUPPORTED_FILTERS;
        *total_flags &= SUPPORTED_FILTERS;
 
+       sc->rx_filter = *total_flags;
+       rfilt = ath_calcrxfilter(sc);
+       ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
+
        if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
                if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
-                       ath_scan_start(sc);
-               else
-                       ath_scan_end(sc);
+                       ath9k_hw_write_associd(sc->sc_ah, ath_bcast_mac, 0);
        }
+
+       DPRINTF(sc, ATH_DBG_CONFIG, "%s: Set HW RX filter: 0x%x\n",
+               __func__, sc->rx_filter);
 }
 
 static void ath9k_sta_notify(struct ieee80211_hw *hw,
                             struct ieee80211_vif *vif,
                             enum sta_notify_cmd cmd,
-                            const u8 *addr)
+                            struct ieee80211_sta *sta)
 {
        struct ath_softc *sc = hw->priv;
-       struct ath_node *an;
-       unsigned long flags;
-       DECLARE_MAC_BUF(mac);
-
-       spin_lock_irqsave(&sc->node_lock, flags);
-       an = ath_node_find(sc, (u8 *) addr);
-       spin_unlock_irqrestore(&sc->node_lock, flags);
 
        switch (cmd) {
        case STA_NOTIFY_ADD:
-               spin_lock_irqsave(&sc->node_lock, flags);
-               if (!an) {
-                       ath_node_attach(sc, (u8 *)addr, 0);
-                       DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach a node: %s\n",
-                               __func__,
-                               print_mac(mac, addr));
-               } else {
-                       ath_node_get(sc, (u8 *)addr);
-               }
-               spin_unlock_irqrestore(&sc->node_lock, flags);
+               ath_node_attach(sc, sta);
                break;
        case STA_NOTIFY_REMOVE:
-               if (!an)
-                       DPRINTF(sc, ATH_DBG_FATAL,
-                               "%s: Removal of a non-existent node\n",
-                               __func__);
-               else {
-                       ath_node_put(sc, an, ATH9K_BH_STATUS_INTACT);
-                       DPRINTF(sc, ATH_DBG_CONFIG, "%s: Put a node: %s\n",
-                               __func__,
-                               print_mac(mac, addr));
-               }
+               ath_node_detach(sc, sta);
                break;
        default:
                break;
@@ -739,160 +1231,49 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw,
                qnum,
                params->aifs,
                params->cw_min,
-               params->cw_max,
-               params->txop);
-
-       ret = ath_txq_update(sc, qnum, &qi);
-       if (ret)
-               DPRINTF(sc, ATH_DBG_FATAL,
-                       "%s: TXQ Update failed\n", __func__);
-
-       return ret;
-}
-
-static int ath9k_set_key(struct ieee80211_hw *hw,
-                        enum set_key_cmd cmd,
-                        const u8 *local_addr,
-                        const u8 *addr,
-                        struct ieee80211_key_conf *key)
-{
-       struct ath_softc *sc = hw->priv;
-       int ret = 0;
-
-       DPRINTF(sc, ATH_DBG_KEYCACHE, " %s: Set HW Key\n", __func__);
-
-       switch (cmd) {
-       case SET_KEY:
-               ret = ath_key_config(sc, addr, key);
-               if (!ret) {
-                       set_bit(key->keyidx, sc->sc_keymap);
-                       key->hw_key_idx = key->keyidx;
-                       /* push IV and Michael MIC generation to stack */
-                       key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-                       if (key->alg == ALG_TKIP)
-                               key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
-               }
-               break;
-       case DISABLE_KEY:
-               ath_key_delete(sc, key);
-               clear_bit(key->keyidx, sc->sc_keymap);
-               break;
-       default:
-               ret = -EINVAL;
-       }
-
-       return ret;
-}
-
-static void ath9k_ht_conf(struct ath_softc *sc,
-                         struct ieee80211_bss_conf *bss_conf)
-{
-#define IEEE80211_HT_CAP_40MHZ_INTOLERANT BIT(14)
-       struct ath_ht_info *ht_info = &sc->sc_ht_info;
-
-       if (bss_conf->assoc_ht) {
-               ht_info->ext_chan_offset =
-                       bss_conf->ht_bss_conf->bss_cap &
-                               IEEE80211_HT_IE_CHA_SEC_OFFSET;
-
-               if (!(bss_conf->ht_conf->cap &
-                       IEEE80211_HT_CAP_40MHZ_INTOLERANT) &&
-                           (bss_conf->ht_bss_conf->bss_cap &
-                               IEEE80211_HT_IE_CHA_WIDTH))
-                       ht_info->tx_chan_width = ATH9K_HT_MACMODE_2040;
-               else
-                       ht_info->tx_chan_width = ATH9K_HT_MACMODE_20;
-
-               ath9k_hw_set11nmac2040(sc->sc_ah, ht_info->tx_chan_width);
-               ht_info->maxampdu = 1 << (IEEE80211_HTCAP_MAXRXAMPDU_FACTOR +
-                                       bss_conf->ht_conf->ampdu_factor);
-               ht_info->mpdudensity =
-                       parse_mpdudensity(bss_conf->ht_conf->ampdu_density);
-
-       }
-
-#undef IEEE80211_HT_CAP_40MHZ_INTOLERANT
-}
-
-static void ath9k_bss_assoc_info(struct ath_softc *sc,
-                                struct ieee80211_bss_conf *bss_conf)
-{
-       struct ieee80211_hw *hw = sc->hw;
-       struct ieee80211_channel *curchan = hw->conf.channel;
-       struct ath_vap *avp;
-       int pos;
-       DECLARE_MAC_BUF(mac);
-
-       if (bss_conf->assoc) {
-               DPRINTF(sc, ATH_DBG_CONFIG, "%s: Bss Info ASSOC %d\n",
-                       __func__,
-                       bss_conf->aid);
-
-               avp = sc->sc_vaps[0];
-               if (avp == NULL) {
-                       DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
-                               __func__);
-                       return;
-               }
-
-               /* New association, store aid */
-               if (avp->av_opmode == ATH9K_M_STA) {
-                       sc->sc_curaid = bss_conf->aid;
-                       ath9k_hw_write_associd(sc->sc_ah, sc->sc_curbssid,
-                                              sc->sc_curaid);
-               }
-
-               /* Configure the beacon */
-               ath_beacon_config(sc, 0);
-               sc->sc_beacons = 1;
+               params->cw_max,
+               params->txop);
 
-               /* Reset rssi stats */
-               sc->sc_halstats.ns_avgbrssi = ATH_RSSI_DUMMY_MARKER;
-               sc->sc_halstats.ns_avgrssi = ATH_RSSI_DUMMY_MARKER;
-               sc->sc_halstats.ns_avgtxrssi = ATH_RSSI_DUMMY_MARKER;
-               sc->sc_halstats.ns_avgtxrate = ATH_RATE_DUMMY_MARKER;
+       ret = ath_txq_update(sc, qnum, &qi);
+       if (ret)
+               DPRINTF(sc, ATH_DBG_FATAL,
+                       "%s: TXQ Update failed\n", __func__);
 
-               /* Update chainmask */
-               ath_update_chainmask(sc, bss_conf->assoc_ht);
+       return ret;
+}
 
-               DPRINTF(sc, ATH_DBG_CONFIG,
-                       "%s: bssid %s aid 0x%x\n",
-                       __func__,
-                       print_mac(mac, sc->sc_curbssid), sc->sc_curaid);
+static int ath9k_set_key(struct ieee80211_hw *hw,
+                        enum set_key_cmd cmd,
+                        const u8 *local_addr,
+                        const u8 *addr,
+                        struct ieee80211_key_conf *key)
+{
+       struct ath_softc *sc = hw->priv;
+       int ret = 0;
 
-               DPRINTF(sc, ATH_DBG_CONFIG, "%s: Set channel: %d MHz\n",
-                       __func__,
-                       curchan->center_freq);
+       DPRINTF(sc, ATH_DBG_KEYCACHE, " %s: Set HW Key\n", __func__);
 
-               pos = ath_get_channel(sc, curchan);
-               if (pos == -1) {
-                       DPRINTF(sc, ATH_DBG_FATAL,
-                               "%s: Invalid channel\n", __func__);
-                       return;
+       switch (cmd) {
+       case SET_KEY:
+               ret = ath_key_config(sc, addr, key);
+               if (!ret) {
+                       set_bit(key->keyidx, sc->sc_keymap);
+                       key->hw_key_idx = key->keyidx;
+                       /* push IV and Michael MIC generation to stack */
+                       key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+                       if (key->alg == ALG_TKIP)
+                               key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
                }
-
-               if (hw->conf.ht_conf.ht_supported)
-                       sc->sc_ah->ah_channels[pos].chanmode =
-                               ath_get_extchanmode(sc, curchan);
-               else
-                       sc->sc_ah->ah_channels[pos].chanmode =
-                               (curchan->band == IEEE80211_BAND_2GHZ) ?
-                               CHANNEL_G : CHANNEL_A;
-
-               /* set h/w channel */
-               if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0)
-                       DPRINTF(sc, ATH_DBG_FATAL,
-                               "%s: Unable to set channel\n",
-                               __func__);
-
-               ath_rate_newstate(sc, avp);
-               /* Update ratectrl about the new state */
-               ath_rc_node_update(hw, avp->rc_node);
-       } else {
-               DPRINTF(sc, ATH_DBG_CONFIG,
-               "%s: Bss Info DISSOC\n", __func__);
-               sc->sc_curaid = 0;
+               break;
+       case DISABLE_KEY:
+               ath_key_delete(sc, key);
+               clear_bit(key->keyidx, sc->sc_keymap);
+               break;
+       default:
+               ret = -EINVAL;
        }
+
+       return ret;
 }
 
 static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
@@ -907,9 +1288,9 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
                        __func__,
                        bss_conf->use_short_preamble);
                if (bss_conf->use_short_preamble)
-                       sc->sc_flags |= ATH_PREAMBLE_SHORT;
+                       sc->sc_flags |= SC_OP_PREAMBLE_SHORT;
                else
-                       sc->sc_flags &= ~ATH_PREAMBLE_SHORT;
+                       sc->sc_flags &= ~SC_OP_PREAMBLE_SHORT;
        }
 
        if (changed & BSS_CHANGED_ERP_CTS_PROT) {
@@ -918,15 +1299,14 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
                        bss_conf->use_cts_prot);
                if (bss_conf->use_cts_prot &&
                    hw->conf.channel->band != IEEE80211_BAND_5GHZ)
-                       sc->sc_flags |= ATH_PROTECT_ENABLE;
+                       sc->sc_flags |= SC_OP_PROTECT_ENABLE;
                else
-                       sc->sc_flags &= ~ATH_PROTECT_ENABLE;
+                       sc->sc_flags &= ~SC_OP_PROTECT_ENABLE;
        }
 
        if (changed & BSS_CHANGED_HT) {
-               DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed HT %d\n",
-                       __func__,
-                       bss_conf->assoc_ht);
+               DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed HT\n",
+                       __func__);
                ath9k_ht_conf(sc, bss_conf);
        }
 
@@ -934,7 +1314,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
                DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed ASSOC %d\n",
                        __func__,
                        bss_conf->assoc);
-               ath9k_bss_assoc_info(sc, bss_conf);
+               ath9k_bss_assoc_info(sc, vif, bss_conf);
        }
 }
 
@@ -959,45 +1339,39 @@ static void ath9k_reset_tsf(struct ieee80211_hw *hw)
 
 static int ath9k_ampdu_action(struct ieee80211_hw *hw,
                       enum ieee80211_ampdu_mlme_action action,
-                      const u8 *addr,
-                      u16 tid,
-                      u16 *ssn)
+                      struct ieee80211_sta *sta,
+                      u16 tid, u16 *ssn)
 {
        struct ath_softc *sc = hw->priv;
        int ret = 0;
 
        switch (action) {
        case IEEE80211_AMPDU_RX_START:
-               ret = ath_rx_aggr_start(sc, addr, tid, ssn);
-               if (ret < 0)
-                       DPRINTF(sc, ATH_DBG_FATAL,
-                               "%s: Unable to start RX aggregation\n",
-                               __func__);
+               if (!(sc->sc_flags & SC_OP_RXAGGR))
+                       ret = -ENOTSUPP;
                break;
        case IEEE80211_AMPDU_RX_STOP:
-               ret = ath_rx_aggr_stop(sc, addr, tid);
-               if (ret < 0)
-                       DPRINTF(sc, ATH_DBG_FATAL,
-                               "%s: Unable to stop RX aggregation\n",
-                               __func__);
                break;
        case IEEE80211_AMPDU_TX_START:
-               ret = ath_tx_aggr_start(sc, addr, tid, ssn);
+               ret = ath_tx_aggr_start(sc, sta, tid, ssn);
                if (ret < 0)
                        DPRINTF(sc, ATH_DBG_FATAL,
                                "%s: Unable to start TX aggregation\n",
                                __func__);
                else
-                       ieee80211_start_tx_ba_cb_irqsafe(hw, (u8 *)addr, tid);
+                       ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
                break;
        case IEEE80211_AMPDU_TX_STOP:
-               ret = ath_tx_aggr_stop(sc, addr, tid);
+               ret = ath_tx_aggr_stop(sc, sta, tid);
                if (ret < 0)
                        DPRINTF(sc, ATH_DBG_FATAL,
                                "%s: Unable to stop TX aggregation\n",
                                __func__);
 
-               ieee80211_stop_tx_ba_cb_irqsafe(hw, (u8 *)addr, tid);
+               ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+               break;
+       case IEEE80211_AMPDU_TX_RESUME:
+               ath_tx_aggr_resume(sc, sta, tid);
                break;
        default:
                DPRINTF(sc, ATH_DBG_FATAL,
@@ -1007,6 +1381,11 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
        return ret;
 }
 
+static int ath9k_no_fragmentation(struct ieee80211_hw *hw, u32 value)
+{
+       return -EOPNOTSUPP;
+}
+
 static struct ieee80211_ops ath9k_ops = {
        .tx                 = ath9k_tx,
        .start              = ath9k_start,
@@ -1016,276 +1395,73 @@ static struct ieee80211_ops ath9k_ops = {
        .config             = ath9k_config,
        .config_interface   = ath9k_config_interface,
        .configure_filter   = ath9k_configure_filter,
-       .get_stats          = NULL,
        .sta_notify         = ath9k_sta_notify,
        .conf_tx            = ath9k_conf_tx,
-       .get_tx_stats       = NULL,
        .bss_info_changed   = ath9k_bss_info_changed,
-       .set_tim            = NULL,
        .set_key            = ath9k_set_key,
-       .hw_scan            = NULL,
-       .get_tkip_seq       = NULL,
-       .set_rts_threshold  = NULL,
-       .set_frag_threshold = NULL,
-       .set_retry_limit    = NULL,
        .get_tsf            = ath9k_get_tsf,
        .reset_tsf          = ath9k_reset_tsf,
-       .tx_last_beacon     = NULL,
-       .ampdu_action       = ath9k_ampdu_action
+       .ampdu_action       = ath9k_ampdu_action,
+       .set_frag_threshold = ath9k_no_fragmentation,
 };
 
-void ath_get_beaconconfig(struct ath_softc *sc,
-                         int if_id,
-                         struct ath_beacon_config *conf)
-{
-       struct ieee80211_hw *hw = sc->hw;
-
-       /* fill in beacon config data */
+static struct {
+       u32 version;
+       const char * name;
+} ath_mac_bb_names[] = {
+       { AR_SREV_VERSION_5416_PCI,     "5416" },
+       { AR_SREV_VERSION_5416_PCIE,    "5418" },
+       { AR_SREV_VERSION_9100,         "9100" },
+       { AR_SREV_VERSION_9160,         "9160" },
+       { AR_SREV_VERSION_9280,         "9280" },
+       { AR_SREV_VERSION_9285,         "9285" }
+};
 
-       conf->beacon_interval = hw->conf.beacon_int;
-       conf->listen_interval = 100;
-       conf->dtim_count = 1;
-       conf->bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * conf->listen_interval;
-}
+static struct {
+       u16 version;
+       const char * name;
+} ath_rf_names[] = {
+       { 0,                            "5133" },
+       { AR_RAD5133_SREV_MAJOR,        "5133" },
+       { AR_RAD5122_SREV_MAJOR,        "5122" },
+       { AR_RAD2133_SREV_MAJOR,        "2133" },
+       { AR_RAD2122_SREV_MAJOR,        "2122" }
+};
 
-int ath_update_beacon(struct ath_softc *sc,
-                     int if_id,
-                     struct ath_beacon_offset *bo,
-                     struct sk_buff *skb,
-                     int mcast)
-{
-       return 0;
-}
+/*
+ * Return the MAC/BB name. "????" is returned if the MAC/BB is unknown.
+ */
 
-void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
-                    struct ath_xmit_status *tx_status, struct ath_node *an)
+static const char *
+ath_mac_bb_name(u32 mac_bb_version)
 {
-       struct ieee80211_hw *hw = sc->hw;
-       struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-
-       DPRINTF(sc, ATH_DBG_XMIT,
-               "%s: TX complete: skb: %p\n", __func__, skb);
-
-       if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
-               tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
-               /* free driver's private data area of tx_info */
-               if (tx_info->driver_data[0] != NULL)
-                       kfree(tx_info->driver_data[0]);
-                       tx_info->driver_data[0] = NULL;
-       }
-
-       if (tx_status->flags & ATH_TX_BAR) {
-               tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
-               tx_status->flags &= ~ATH_TX_BAR;
-       }
+       int i;
 
-       if (tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY)) {
-               if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) {
-                       /* Frame was not ACKed, but an ACK was expected */
-                       tx_info->status.excessive_retries = 1;
+       for (i=0; i<ARRAY_SIZE(ath_mac_bb_names); i++) {
+               if (ath_mac_bb_names[i].version == mac_bb_version) {
+                       return ath_mac_bb_names[i].name;
                }
-       } else {
-               /* Frame was ACKed */
-               tx_info->flags |= IEEE80211_TX_STAT_ACK;
-       }
-
-       tx_info->status.retry_count = tx_status->retries;
-
-       ieee80211_tx_status(hw, skb);
-       if (an)
-               ath_node_put(sc, an, ATH9K_BH_STATUS_CHANGE);
-}
-
-int ath__rx_indicate(struct ath_softc *sc,
-                    struct sk_buff *skb,
-                    struct ath_recv_status *status,
-                    u16 keyix)
-{
-       struct ieee80211_hw *hw = sc->hw;
-       struct ath_node *an = NULL;
-       struct ieee80211_rx_status rx_status;
-       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-       int hdrlen = ieee80211_get_hdrlen_from_skb(skb);
-       int padsize;
-       enum ATH_RX_TYPE st;
-
-       /* see if any padding is done by the hw and remove it */
-       if (hdrlen & 3) {
-               padsize = hdrlen % 4;
-               memmove(skb->data + padsize, skb->data, hdrlen);
-               skb_pull(skb, padsize);
-       }
-
-       /* remove FCS before passing up to protocol stack */
-       skb_trim(skb, (skb->len - FCS_LEN));
-
-       /* Prepare rx status */
-       ath9k_rx_prepare(sc, skb, status, &rx_status);
-
-       if (!(keyix == ATH9K_RXKEYIX_INVALID) &&
-           !(status->flags & ATH_RX_DECRYPT_ERROR)) {
-               rx_status.flag |= RX_FLAG_DECRYPTED;
-       } else if ((le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_PROTECTED)
-                  && !(status->flags & ATH_RX_DECRYPT_ERROR)
-                  && skb->len >= hdrlen + 4) {
-               keyix = skb->data[hdrlen + 3] >> 6;
-
-               if (test_bit(keyix, sc->sc_keymap))
-                       rx_status.flag |= RX_FLAG_DECRYPTED;
-       }
-
-       spin_lock_bh(&sc->node_lock);
-       an = ath_node_find(sc, hdr->addr2);
-       spin_unlock_bh(&sc->node_lock);
-
-       if (an) {
-               ath_rx_input(sc, an,
-                            hw->conf.ht_conf.ht_supported,
-                            skb, status, &st);
        }
-       if (!an || (st != ATH_RX_CONSUMED))
-               __ieee80211_rx(hw, skb, &rx_status);
-
-       return 0;
-}
-
-int ath_rx_subframe(struct ath_node *an,
-                   struct sk_buff *skb,
-                   struct ath_recv_status *status)
-{
-       struct ath_softc *sc = an->an_sc;
-       struct ieee80211_hw *hw = sc->hw;
-       struct ieee80211_rx_status rx_status;
 
-       /* Prepare rx status */
-       ath9k_rx_prepare(sc, skb, status, &rx_status);
-       if (!(status->flags & ATH_RX_DECRYPT_ERROR))
-               rx_status.flag |= RX_FLAG_DECRYPTED;
-
-       __ieee80211_rx(hw, skb, &rx_status);
-
-       return 0;
-}
-
-enum ath9k_ht_macmode ath_cwm_macmode(struct ath_softc *sc)
-{
-       return sc->sc_ht_info.tx_chan_width;
+       return "????";
 }
 
-static int ath_detach(struct ath_softc *sc)
-{
-       struct ieee80211_hw *hw = sc->hw;
-
-       DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach ATH hw\n", __func__);
-
-       /* Unregister hw */
-
-       ieee80211_unregister_hw(hw);
-
-       /* unregister Rate control */
-       ath_rate_control_unregister();
-
-       /* tx/rx cleanup */
-
-       ath_rx_cleanup(sc);
-       ath_tx_cleanup(sc);
-
-       /* Deinit */
-
-       ath_deinit(sc);
-
-       return 0;
-}
+/*
+ * Return the RF name. "????" is returned if the RF is unknown.
+ */
 
-static int ath_attach(u16 devid,
-                     struct ath_softc *sc)
+static const char *
+ath_rf_name(u16 rf_version)
 {
-       struct ieee80211_hw *hw = sc->hw;
-       int error = 0;
-
-       DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach ATH hw\n", __func__);
-
-       error = ath_init(devid, sc);
-       if (error != 0)
-               return error;
-
-       /* Init nodes */
-
-       INIT_LIST_HEAD(&sc->node_list);
-       spin_lock_init(&sc->node_lock);
-
-       /* get mac address from hardware and set in mac80211 */
-
-       SET_IEEE80211_PERM_ADDR(hw, sc->sc_myaddr);
-
-       /* setup channels and rates */
-
-       sc->sbands[IEEE80211_BAND_2GHZ].channels =
-               sc->channels[IEEE80211_BAND_2GHZ];
-       sc->sbands[IEEE80211_BAND_2GHZ].bitrates =
-               sc->rates[IEEE80211_BAND_2GHZ];
-       sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
-
-       if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
-               /* Setup HT capabilities for 2.4Ghz*/
-               setup_ht_cap(&sc->sbands[IEEE80211_BAND_2GHZ].ht_info);
-
-       hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
-               &sc->sbands[IEEE80211_BAND_2GHZ];
-
-       if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes)) {
-               sc->sbands[IEEE80211_BAND_5GHZ].channels =
-                       sc->channels[IEEE80211_BAND_5GHZ];
-               sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
-                       sc->rates[IEEE80211_BAND_5GHZ];
-               sc->sbands[IEEE80211_BAND_5GHZ].band =
-                       IEEE80211_BAND_5GHZ;
-
-               if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
-                       /* Setup HT capabilities for 5Ghz*/
-                       setup_ht_cap(&sc->sbands[IEEE80211_BAND_5GHZ].ht_info);
-
-               hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
-                       &sc->sbands[IEEE80211_BAND_5GHZ];
-       }
-
-       /* FIXME: Have to figure out proper hw init values later */
-
-       hw->queues = 4;
-       hw->ampdu_queues = 1;
-
-       /* Register rate control */
-       hw->rate_control_algorithm = "ath9k_rate_control";
-       error = ath_rate_control_register();
-       if (error != 0) {
-               DPRINTF(sc, ATH_DBG_FATAL,
-                       "%s: Unable to register rate control "
-                       "algorithm:%d\n", __func__, error);
-               ath_rate_control_unregister();
-               goto bad;
-       }
+       int i;
 
-       error = ieee80211_register_hw(hw);
-       if (error != 0) {
-               ath_rate_control_unregister();
-               goto bad;
+       for (i=0; i<ARRAY_SIZE(ath_rf_names); i++) {
+               if (ath_rf_names[i].version == rf_version) {
+                       return ath_rf_names[i].name;
+               }
        }
 
-       /* initialize tx/rx engine */
-
-       error = ath_tx_init(sc, ATH_TXBUF);
-       if (error != 0)
-               goto bad1;
-
-       error = ath_rx_init(sc, ATH_RXBUF);
-       if (error != 0)
-               goto bad1;
-
-       return 0;
-bad1:
-       ath_detach(sc);
-bad:
-       return error;
+       return "????";
 }
 
 static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -1293,18 +1469,26 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        void __iomem *mem;
        struct ath_softc *sc;
        struct ieee80211_hw *hw;
-       const char *athname;
        u8 csz;
        u32 val;
        int ret = 0;
+       struct ath_hal *ah;
 
        if (pci_enable_device(pdev))
                return -EIO;
 
-       /* XXX 32-bit addressing only */
-       if (pci_set_dma_mask(pdev, 0xffffffff)) {
-               printk(KERN_ERR "ath_pci: 32-bit DMA not available\n");
-               ret = -ENODEV;
+       ret =  pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+
+       if (ret) {
+               printk(KERN_ERR "ath9k: 32-bit DMA not available\n");
+               goto bad;
+       }
+
+       ret = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+
+       if (ret) {
+               printk(KERN_ERR "ath9k: 32-bit DMA consistent "
+                       "DMA enable faled\n");
                goto bad;
        }
 
@@ -1361,9 +1545,6 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                goto bad2;
        }
 
-       hw->flags = IEEE80211_HW_SIGNAL_DBM |
-               IEEE80211_HW_NOISE_DBM;
-
        SET_IEEE80211_DEV(hw, &pdev->dev);
        pci_set_drvdata(pdev, hw);
 
@@ -1386,11 +1567,15 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                goto bad4;
        }
 
-       athname = ath9k_hw_probe(id->vendor, id->device);
-
-       printk(KERN_INFO "%s: %s: mem=0x%lx, irq=%d\n",
+       ah = sc->sc_ah;
+       printk(KERN_INFO
+              "%s: Atheros AR%s MAC/BB Rev:%x "
+              "AR%s RF Rev:%x: mem=0x%lx, irq=%d\n",
               wiphy_name(hw->wiphy),
-              athname ? athname : "Atheros ???",
+              ath_mac_bb_name(ah->ah_macVersion),
+              ah->ah_macRev,
+              ath_rf_name((ah->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR)),
+              ah->ah_phyRev,
               (unsigned long)mem, pdev->irq);
 
        return 0;
@@ -1411,17 +1596,10 @@ static void ath_pci_remove(struct pci_dev *pdev)
 {
        struct ieee80211_hw *hw = pci_get_drvdata(pdev);
        struct ath_softc *sc = hw->priv;
-       enum ath9k_int status;
 
-       if (pdev->irq) {
-               ath9k_hw_set_interrupts(sc->sc_ah, 0);
-               /* clear the ISR */
-               ath9k_hw_getisr(sc->sc_ah, &status);
-               sc->sc_invalid = 1;
-               free_irq(pdev->irq, sc);
-       }
        ath_detach(sc);
-
+       if (pdev->irq)
+               free_irq(pdev->irq, sc);
        pci_iounmap(pdev, sc->mem);
        pci_release_region(pdev, 0);
        pci_disable_device(pdev);
@@ -1432,6 +1610,16 @@ static void ath_pci_remove(struct pci_dev *pdev)
 
 static int ath_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 {
+       struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+       struct ath_softc *sc = hw->priv;
+
+       ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+       if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+               cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
+#endif
+
        pci_save_state(pdev);
        pci_disable_device(pdev);
        pci_set_power_state(pdev, 3);
@@ -1441,6 +1629,8 @@ static int ath_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 
 static int ath_pci_resume(struct pci_dev *pdev)
 {
+       struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+       struct ath_softc *sc = hw->priv;
        u32 val;
        int err;
 
@@ -1457,6 +1647,21 @@ static int ath_pci_resume(struct pci_dev *pdev)
        if ((val & 0x0000ff00) != 0)
                pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 
+       /* Enable LED */
+       ath9k_hw_cfg_output(sc->sc_ah, ATH_LED_PIN,
+                           AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+       ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+       /*
+        * check the h/w rfkill state on resume
+        * and start the rfkill poll timer
+        */
+       if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+               queue_delayed_work(sc->hw->workqueue,
+                                  &sc->rf_kill.rfkill_poll, 0);
+#endif
+
        return 0;
 }