Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
[pandora-kernel.git] / drivers / net / wireless / rt2x00 / rt2x00dev.c
index e873a39..c997d4f 100644 (file)
@@ -1,5 +1,5 @@
 /*
-       Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+       Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
        <http://rt2x00.serialmonkey.com>
 
        This program is free software; you can redistribute it and/or modify
 #include "rt2x00lib.h"
 #include "rt2x00dump.h"
 
-/*
- * Ring handler.
- */
-struct data_ring *rt2x00lib_get_ring(struct rt2x00_dev *rt2x00dev,
-                                    const unsigned int queue)
-{
-       int beacon = test_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags);
-
-       /*
-        * Check if we are requesting a reqular TX ring,
-        * or if we are requesting a Beacon or Atim ring.
-        * For Atim rings, we should check if it is supported.
-        */
-       if (queue < rt2x00dev->hw->queues && rt2x00dev->tx)
-               return &rt2x00dev->tx[queue];
-
-       if (!rt2x00dev->bcn || !beacon)
-               return NULL;
-
-       if (queue == IEEE80211_TX_QUEUE_BEACON)
-               return &rt2x00dev->bcn[0];
-       else if (queue == IEEE80211_TX_QUEUE_AFTER_BEACON)
-               return &rt2x00dev->bcn[1];
-
-       return NULL;
-}
-EXPORT_SYMBOL_GPL(rt2x00lib_get_ring);
-
 /*
  * Link tuning handlers
  */
@@ -103,7 +75,7 @@ static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev)
 
        rt2x00lib_reset_link_tuner(rt2x00dev);
 
-       queue_delayed_work(rt2x00dev->hw->workqueue,
+       queue_delayed_work(rt2x00dev->workqueue,
                           &rt2x00dev->link.work, LINK_TUNE_INTERVAL);
 }
 
@@ -112,46 +84,6 @@ static void rt2x00lib_stop_link_tuner(struct rt2x00_dev *rt2x00dev)
        cancel_delayed_work_sync(&rt2x00dev->link.work);
 }
 
-/*
- * Ring initialization
- */
-static void rt2x00lib_init_rxrings(struct rt2x00_dev *rt2x00dev)
-{
-       struct data_ring *ring = rt2x00dev->rx;
-       unsigned int i;
-
-       if (!rt2x00dev->ops->lib->init_rxentry)
-               return;
-
-       if (ring->data_addr)
-               memset(ring->data_addr, 0, rt2x00_get_ring_size(ring));
-
-       for (i = 0; i < ring->stats.limit; i++)
-               rt2x00dev->ops->lib->init_rxentry(rt2x00dev, &ring->entry[i]);
-
-       rt2x00_ring_index_clear(ring);
-}
-
-static void rt2x00lib_init_txrings(struct rt2x00_dev *rt2x00dev)
-{
-       struct data_ring *ring;
-       unsigned int i;
-
-       if (!rt2x00dev->ops->lib->init_txentry)
-               return;
-
-       txringall_for_each(rt2x00dev, ring) {
-               if (ring->data_addr)
-                       memset(ring->data_addr, 0, rt2x00_get_ring_size(ring));
-
-               for (i = 0; i < ring->stats.limit; i++)
-                       rt2x00dev->ops->lib->init_txentry(rt2x00dev,
-                                                         &ring->entry[i]);
-
-               rt2x00_ring_index_clear(ring);
-       }
-}
-
 /*
  * Radio control handlers.
  */
@@ -168,19 +100,22 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
                return 0;
 
        /*
-        * Initialize all data rings.
+        * Initialize all data queues.
         */
-       rt2x00lib_init_rxrings(rt2x00dev);
-       rt2x00lib_init_txrings(rt2x00dev);
+       rt2x00queue_init_rx(rt2x00dev);
+       rt2x00queue_init_tx(rt2x00dev);
 
        /*
         * Enable radio.
         */
-       status = rt2x00dev->ops->lib->set_device_state(rt2x00dev,
-                                                      STATE_RADIO_ON);
+       status =
+           rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_ON);
        if (status)
                return status;
 
+       rt2x00leds_led_radio(rt2x00dev, true);
+       rt2x00led_led_activity(rt2x00dev, true);
+
        __set_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags);
 
        /*
@@ -201,16 +136,6 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev)
        if (!__test_and_clear_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
                return;
 
-       /*
-        * Stop all scheduled work.
-        */
-       if (work_pending(&rt2x00dev->beacon_work))
-               cancel_work_sync(&rt2x00dev->beacon_work);
-       if (work_pending(&rt2x00dev->filter_work))
-               cancel_work_sync(&rt2x00dev->filter_work);
-       if (work_pending(&rt2x00dev->config_work))
-               cancel_work_sync(&rt2x00dev->config_work);
-
        /*
         * Stop the TX queues.
         */
@@ -225,6 +150,8 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev)
         * Disable radio.
         */
        rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_OFF);
+       rt2x00led_led_activity(rt2x00dev, false);
+       rt2x00leds_led_radio(rt2x00dev, false);
 }
 
 void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state)
@@ -241,7 +168,7 @@ void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state)
         * When we are enabling the RX, we should also start the link tuner.
         */
        if (state == STATE_RADIO_RX_ON &&
-           is_interface_present(&rt2x00dev->interface))
+           (rt2x00dev->intf_ap_count || rt2x00dev->intf_sta_count))
                rt2x00lib_start_link_tuner(rt2x00dev);
 }
 
@@ -448,6 +375,11 @@ static void rt2x00lib_link_tuner(struct work_struct *work)
         */
        rt2x00lib_precalculate_link_signal(&rt2x00dev->link.qual);
 
+       /*
+        * Send a signal to the led to update the led signal strength.
+        */
+       rt2x00leds_led_quality(rt2x00dev, rt2x00dev->link.qual.avg_rssi);
+
        /*
         * Evaluate antenna setup, make this the last step since this could
         * possibly reset some statistics.
@@ -458,67 +390,93 @@ static void rt2x00lib_link_tuner(struct work_struct *work)
         * Increase tuner counter, and reschedule the next link tuner run.
         */
        rt2x00dev->link.count++;
-       queue_delayed_work(rt2x00dev->hw->workqueue, &rt2x00dev->link.work,
-                          LINK_TUNE_INTERVAL);
+       queue_delayed_work(rt2x00dev->workqueue,
+                          &rt2x00dev->link.work, LINK_TUNE_INTERVAL);
 }
 
 static void rt2x00lib_packetfilter_scheduled(struct work_struct *work)
 {
        struct rt2x00_dev *rt2x00dev =
            container_of(work, struct rt2x00_dev, filter_work);
-       unsigned int filter = rt2x00dev->packet_filter;
+
+       rt2x00dev->ops->lib->config_filter(rt2x00dev, rt2x00dev->packet_filter);
+}
+
+static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac,
+                                         struct ieee80211_vif *vif)
+{
+       struct rt2x00_dev *rt2x00dev = data;
+       struct rt2x00_intf *intf = vif_to_intf(vif);
+       struct sk_buff *skb;
+       struct ieee80211_tx_control control;
+       struct ieee80211_bss_conf conf;
+       int delayed_flags;
 
        /*
-        * Since we had stored the filter inside interface.filter,
-        * we should now clear that field. Otherwise the driver will
-        * assume nothing has changed (*total_flags will be compared
-        * to interface.filter to determine if any action is required).
+        * Copy all data we need during this action under the protection
+        * of a spinlock. Otherwise race conditions might occur which results
+        * into an invalid configuration.
         */
-       rt2x00dev->packet_filter = 0;
+       spin_lock(&intf->lock);
+
+       memcpy(&conf, &intf->conf, sizeof(conf));
+       delayed_flags = intf->delayed_flags;
+       intf->delayed_flags = 0;
+
+       spin_unlock(&intf->lock);
+
+       /*
+        * It is possible the radio was disabled while the work had been
+        * scheduled. If that happens we should return here immediately,
+        * note that in the spinlock protected area above the delayed_flags
+        * have been cleared correctly.
+        */
+       if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+               return;
 
-       rt2x00dev->ops->hw->configure_filter(rt2x00dev->hw,
-                                            filter, &filter, 0, NULL);
+       if (delayed_flags & DELAYED_UPDATE_BEACON) {
+               skb = ieee80211_beacon_get(rt2x00dev->hw, vif, &control);
+               if (skb && rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw,
+                                                            skb, &control))
+                       dev_kfree_skb(skb);
+       }
+
+       if (delayed_flags & DELAYED_CONFIG_ERP)
+               rt2x00lib_config_erp(rt2x00dev, intf, &conf);
+
+       if (delayed_flags & DELAYED_LED_ASSOC)
+               rt2x00leds_led_assoc(rt2x00dev, !!rt2x00dev->intf_associated);
 }
 
-static void rt2x00lib_configuration_scheduled(struct work_struct *work)
+static void rt2x00lib_intf_scheduled(struct work_struct *work)
 {
        struct rt2x00_dev *rt2x00dev =
-           container_of(work, struct rt2x00_dev, config_work);
-       struct ieee80211_bss_conf bss_conf;
-
-       bss_conf.use_short_preamble =
-               test_bit(CONFIG_SHORT_PREAMBLE, &rt2x00dev->flags);
+           container_of(work, struct rt2x00_dev, intf_work);
 
        /*
-        * FIXME: shouldn't invoke it this way because all other contents
-        *        of bss_conf is invalid.
+        * Iterate over each interface and perform the
+        * requested configurations.
         */
-       rt2x00mac_bss_info_changed(rt2x00dev->hw, rt2x00dev->interface.id,
-                                  &bss_conf, BSS_CHANGED_ERP_PREAMBLE);
+       ieee80211_iterate_active_interfaces(rt2x00dev->hw,
+                                           rt2x00lib_intf_scheduled_iter,
+                                           rt2x00dev);
 }
 
 /*
  * Interrupt context handlers.
  */
-static void rt2x00lib_beacondone_scheduled(struct work_struct *work)
+static void rt2x00lib_beacondone_iter(void *data, u8 *mac,
+                                     struct ieee80211_vif *vif)
 {
-       struct rt2x00_dev *rt2x00dev =
-           container_of(work, struct rt2x00_dev, beacon_work);
-       struct data_ring *ring =
-           rt2x00lib_get_ring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
-       struct data_entry *entry = rt2x00_get_data_entry(ring);
-       struct sk_buff *skb;
+       struct rt2x00_intf *intf = vif_to_intf(vif);
 
-       skb = ieee80211_beacon_get(rt2x00dev->hw,
-                                  rt2x00dev->interface.id,
-                                  &entry->tx_status.control);
-       if (!skb)
+       if (vif->type != IEEE80211_IF_TYPE_AP &&
+           vif->type != IEEE80211_IF_TYPE_IBSS)
                return;
 
-       rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, skb,
-                                         &entry->tx_status.control);
-
-       dev_kfree_skb(skb);
+       spin_lock(&intf->lock);
+       intf->delayed_flags |= DELAYED_UPDATE_BEACON;
+       spin_unlock(&intf->lock);
 }
 
 void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)
@@ -526,116 +484,140 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)
        if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
                return;
 
-       queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->beacon_work);
+       ieee80211_iterate_active_interfaces_atomic(rt2x00dev->hw,
+                                                  rt2x00lib_beacondone_iter,
+                                                  rt2x00dev);
+
+       queue_work(rt2x00dev->workqueue, &rt2x00dev->intf_work);
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_beacondone);
 
-void rt2x00lib_txdone(struct data_entry *entry,
-                     const int status, const int retry)
+void rt2x00lib_txdone(struct queue_entry *entry,
+                     struct txdone_entry_desc *txdesc)
 {
-       struct rt2x00_dev *rt2x00dev = entry->ring->rt2x00dev;
-       struct ieee80211_tx_status *tx_status = &entry->tx_status;
-       struct ieee80211_low_level_stats *stats = &rt2x00dev->low_level_stats;
-       int success = !!(status == TX_SUCCESS || status == TX_SUCCESS_RETRY);
-       int fail = !!(status == TX_FAIL_RETRY || status == TX_FAIL_INVALID ||
-                     status == TX_FAIL_OTHER);
+       struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+       struct skb_frame_desc *skbdesc;
+       struct ieee80211_tx_status tx_status;
+       int success = !!(txdesc->status == TX_SUCCESS ||
+                        txdesc->status == TX_SUCCESS_RETRY);
+       int fail = !!(txdesc->status == TX_FAIL_RETRY ||
+                     txdesc->status == TX_FAIL_INVALID ||
+                     txdesc->status == TX_FAIL_OTHER);
 
        /*
         * Update TX statistics.
         */
-       tx_status->flags = 0;
-       tx_status->ack_signal = 0;
-       tx_status->excessive_retries = (status == TX_FAIL_RETRY);
-       tx_status->retry_count = retry;
        rt2x00dev->link.qual.tx_success += success;
-       rt2x00dev->link.qual.tx_failed += retry + fail;
+       rt2x00dev->link.qual.tx_failed += fail;
+
+       /*
+        * Initialize TX status
+        */
+       tx_status.flags = 0;
+       tx_status.ack_signal = 0;
+       tx_status.excessive_retries = (txdesc->status == TX_FAIL_RETRY);
+       tx_status.retry_count = txdesc->retry;
+       memcpy(&tx_status.control, txdesc->control, sizeof(*txdesc->control));
 
-       if (!(tx_status->control.flags & IEEE80211_TXCTL_NO_ACK)) {
+       if (!(tx_status.control.flags & IEEE80211_TXCTL_NO_ACK)) {
                if (success)
-                       tx_status->flags |= IEEE80211_TX_STATUS_ACK;
+                       tx_status.flags |= IEEE80211_TX_STATUS_ACK;
                else
-                       stats->dot11ACKFailureCount++;
+                       rt2x00dev->low_level_stats.dot11ACKFailureCount++;
        }
 
-       tx_status->queue_length = entry->ring->stats.limit;
-       tx_status->queue_number = tx_status->control.queue;
+       tx_status.queue_length = entry->queue->limit;
+       tx_status.queue_number = tx_status.control.queue;
 
-       if (tx_status->control.flags & IEEE80211_TXCTL_USE_RTS_CTS) {
+       if (tx_status.control.flags & IEEE80211_TXCTL_USE_RTS_CTS) {
                if (success)
-                       stats->dot11RTSSuccessCount++;
+                       rt2x00dev->low_level_stats.dot11RTSSuccessCount++;
                else
-                       stats->dot11RTSFailureCount++;
+                       rt2x00dev->low_level_stats.dot11RTSFailureCount++;
        }
 
        /*
-        * Send the tx_status to mac80211 & debugfs.
-        * mac80211 will clean up the skb structure.
+        * Send the tx_status to debugfs. Only send the status report
+        * to mac80211 when the frame originated from there. If this was
+        * a extra frame coming through a mac80211 library call (RTS/CTS)
+        * then we should not send the status report back.
+        * If send to mac80211, mac80211 will clean up the skb structure,
+        * otherwise we have to do it ourself.
         */
-       get_skb_desc(entry->skb)->frame_type = DUMP_FRAME_TXDONE;
+       skbdesc = get_skb_frame_desc(entry->skb);
+       skbdesc->frame_type = DUMP_FRAME_TXDONE;
+
        rt2x00debug_dump_frame(rt2x00dev, entry->skb);
-       ieee80211_tx_status_irqsafe(rt2x00dev->hw, entry->skb, tx_status);
+
+       if (!(skbdesc->flags & FRAME_DESC_DRIVER_GENERATED))
+               ieee80211_tx_status_irqsafe(rt2x00dev->hw,
+                                           entry->skb, &tx_status);
+       else
+               dev_kfree_skb(entry->skb);
        entry->skb = NULL;
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
 
-void rt2x00lib_rxdone(struct data_entry *entry, struct sk_buff *skb,
-                     struct rxdata_entry_desc *desc)
+void rt2x00lib_rxdone(struct queue_entry *entry,
+                     struct rxdone_entry_desc *rxdesc)
 {
-       struct rt2x00_dev *rt2x00dev = entry->ring->rt2x00dev;
+       struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
        struct ieee80211_rx_status *rx_status = &rt2x00dev->rx_status;
-       struct ieee80211_hw_mode *mode;
-       struct ieee80211_rate *rate;
+       struct ieee80211_supported_band *sband;
        struct ieee80211_hdr *hdr;
+       const struct rt2x00_rate *rate;
        unsigned int i;
-       int val = 0;
+       int idx = -1;
        u16 fc;
 
        /*
         * Update RX statistics.
         */
-       mode = &rt2x00dev->hwmodes[rt2x00dev->curr_hwmode];
-       for (i = 0; i < mode->num_rates; i++) {
-               rate = &mode->rates[i];
+       sband = &rt2x00dev->bands[rt2x00dev->curr_band];
+       for (i = 0; i < sband->n_bitrates; i++) {
+               rate = rt2x00_get_rate(sband->bitrates[i].hw_value);
 
-               /*
-                * When frame was received with an OFDM bitrate,
-                * the signal is the PLCP value. If it was received with
-                * a CCK bitrate the signal is the rate in 0.5kbit/s.
-                */
-               if (!desc->ofdm)
-                       val = DEVICE_GET_RATE_FIELD(rate->val, RATE);
-               else
-                       val = DEVICE_GET_RATE_FIELD(rate->val, PLCP);
-
-               if (val == desc->signal) {
-                       val = rate->val;
+               if (((rxdesc->dev_flags & RXDONE_SIGNAL_PLCP) &&
+                    (rate->plcp == rxdesc->signal)) ||
+                   (!(rxdesc->dev_flags & RXDONE_SIGNAL_PLCP) &&
+                     (rate->bitrate == rxdesc->signal))) {
+                       idx = i;
                        break;
                }
        }
 
+       if (idx < 0) {
+               WARNING(rt2x00dev, "Frame received with unrecognized signal,"
+                       "signal=0x%.2x, plcp=%d.\n", rxdesc->signal,
+                       !!(rxdesc->dev_flags & RXDONE_SIGNAL_PLCP));
+               idx = 0;
+       }
+
        /*
         * Only update link status if this is a beacon frame carrying our bssid.
         */
-       hdr = (struct ieee80211_hdr*)skb->data;
+       hdr = (struct ieee80211_hdr *)entry->skb->data;
        fc = le16_to_cpu(hdr->frame_control);
-       if (is_beacon(fc) && desc->my_bss)
-               rt2x00lib_update_link_stats(&rt2x00dev->link, desc->rssi);
+       if (is_beacon(fc) && (rxdesc->dev_flags & RXDONE_MY_BSS))
+               rt2x00lib_update_link_stats(&rt2x00dev->link, rxdesc->rssi);
 
        rt2x00dev->link.qual.rx_success++;
 
-       rx_status->rate = val;
+       rx_status->rate_idx = idx;
        rx_status->signal =
-           rt2x00lib_calculate_link_signal(rt2x00dev, desc->rssi);
-       rx_status->ssi = desc->rssi;
-       rx_status->flag = desc->flags;
+           rt2x00lib_calculate_link_signal(rt2x00dev, rxdesc->rssi);
+       rx_status->ssi = rxdesc->rssi;
+       rx_status->flag = rxdesc->flags;
        rx_status->antenna = rt2x00dev->link.ant.active.rx;
 
        /*
-        * Send frame to mac80211 & debugfs
+        * Send frame to mac80211 & debugfs.
+        * mac80211 will clean up the skb structure.
         */
-       get_skb_desc(skb)->frame_type = DUMP_FRAME_RXDONE;
-       rt2x00debug_dump_frame(rt2x00dev, skb);
-       ieee80211_rx_irqsafe(rt2x00dev->hw, skb, rx_status);
+       get_skb_frame_desc(entry->skb)->frame_type = DUMP_FRAME_RXDONE;
+       rt2x00debug_dump_frame(rt2x00dev, entry->skb);
+       ieee80211_rx_irqsafe(rt2x00dev->hw, entry->skb, rx_status);
+       entry->skb = NULL;
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_rxdone);
 
@@ -646,83 +628,69 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
                             struct sk_buff *skb,
                             struct ieee80211_tx_control *control)
 {
-       struct txdata_entry_desc desc;
-       struct skb_desc *skbdesc = get_skb_desc(skb);
-       struct ieee80211_hdr *ieee80211hdr = skbdesc->data;
+       struct txentry_desc txdesc;
+       struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
+       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skbdesc->data;
+       const struct rt2x00_rate *rate;
        int tx_rate;
-       int bitrate;
        int length;
        int duration;
        int residual;
        u16 frame_control;
        u16 seq_ctrl;
 
-       memset(&desc, 0, sizeof(desc));
+       memset(&txdesc, 0, sizeof(txdesc));
 
-       desc.cw_min = skbdesc->ring->tx_params.cw_min;
-       desc.cw_max = skbdesc->ring->tx_params.cw_max;
-       desc.aifs = skbdesc->ring->tx_params.aifs;
-
-       /*
-        * Identify queue
-        */
-       if (control->queue < rt2x00dev->hw->queues)
-               desc.queue = control->queue;
-       else if (control->queue == IEEE80211_TX_QUEUE_BEACON ||
-                control->queue == IEEE80211_TX_QUEUE_AFTER_BEACON)
-               desc.queue = QUEUE_MGMT;
-       else
-               desc.queue = QUEUE_OTHER;
+       txdesc.queue = skbdesc->entry->queue->qid;
+       txdesc.cw_min = skbdesc->entry->queue->cw_min;
+       txdesc.cw_max = skbdesc->entry->queue->cw_max;
+       txdesc.aifs = skbdesc->entry->queue->aifs;
 
        /*
         * Read required fields from ieee80211 header.
         */
-       frame_control = le16_to_cpu(ieee80211hdr->frame_control);
-       seq_ctrl = le16_to_cpu(ieee80211hdr->seq_ctrl);
+       frame_control = le16_to_cpu(hdr->frame_control);
+       seq_ctrl = le16_to_cpu(hdr->seq_ctrl);
 
-       tx_rate = control->tx_rate;
+       tx_rate = control->tx_rate->hw_value;
 
        /*
         * Check whether this frame is to be acked
         */
        if (!(control->flags & IEEE80211_TXCTL_NO_ACK))
-               __set_bit(ENTRY_TXD_ACK, &desc.flags);
+               __set_bit(ENTRY_TXD_ACK, &txdesc.flags);
 
        /*
         * Check if this is a RTS/CTS frame
         */
        if (is_rts_frame(frame_control) || is_cts_frame(frame_control)) {
-               __set_bit(ENTRY_TXD_BURST, &desc.flags);
+               __set_bit(ENTRY_TXD_BURST, &txdesc.flags);
                if (is_rts_frame(frame_control)) {
-                       __set_bit(ENTRY_TXD_RTS_FRAME, &desc.flags);
-                       __set_bit(ENTRY_TXD_ACK, &desc.flags);
+                       __set_bit(ENTRY_TXD_RTS_FRAME, &txdesc.flags);
+                       __set_bit(ENTRY_TXD_ACK, &txdesc.flags);
                } else
-                       __clear_bit(ENTRY_TXD_ACK, &desc.flags);
+                       __clear_bit(ENTRY_TXD_ACK, &txdesc.flags);
                if (control->rts_cts_rate)
-                       tx_rate = control->rts_cts_rate;
+                       tx_rate = control->rts_cts_rate->hw_value;
        }
 
-       /*
-        * Check for OFDM
-        */
-       if (DEVICE_GET_RATE_FIELD(tx_rate, RATEMASK) & DEV_OFDM_RATEMASK)
-               __set_bit(ENTRY_TXD_OFDM_RATE, &desc.flags);
+       rate = rt2x00_get_rate(tx_rate);
 
        /*
         * Check if more fragments are pending
         */
-       if (ieee80211_get_morefrag(ieee80211hdr)) {
-               __set_bit(ENTRY_TXD_BURST, &desc.flags);
-               __set_bit(ENTRY_TXD_MORE_FRAG, &desc.flags);
+       if (ieee80211_get_morefrag(hdr)) {
+               __set_bit(ENTRY_TXD_BURST, &txdesc.flags);
+               __set_bit(ENTRY_TXD_MORE_FRAG, &txdesc.flags);
        }
 
        /*
         * Beacons and probe responses require the tsf timestamp
         * to be inserted into the frame.
         */
-       if (control->queue == IEEE80211_TX_QUEUE_BEACON ||
+       if (control->queue == RT2X00_BCN_QUEUE_BEACON ||
            is_probe_resp(frame_control))
-               __set_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc.flags);
+               __set_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc.flags);
 
        /*
         * Determine with what IFS priority this frame should be send.
@@ -730,30 +698,30 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
         * or this fragment came after RTS/CTS.
         */
        if ((seq_ctrl & IEEE80211_SCTL_FRAG) > 0 ||
-           test_bit(ENTRY_TXD_RTS_FRAME, &desc.flags))
-               desc.ifs = IFS_SIFS;
+           test_bit(ENTRY_TXD_RTS_FRAME, &txdesc.flags))
+               txdesc.ifs = IFS_SIFS;
        else
-               desc.ifs = IFS_BACKOFF;
+               txdesc.ifs = IFS_BACKOFF;
 
        /*
         * PLCP setup
         * Length calculation depends on OFDM/CCK rate.
         */
-       desc.signal = DEVICE_GET_RATE_FIELD(tx_rate, PLCP);
-       desc.service = 0x04;
+       txdesc.signal = rate->plcp;
+       txdesc.service = 0x04;
 
        length = skbdesc->data_len + FCS_LEN;
-       if (test_bit(ENTRY_TXD_OFDM_RATE, &desc.flags)) {
-               desc.length_high = (length >> 6) & 0x3f;
-               desc.length_low = length & 0x3f;
-       } else {
-               bitrate = DEVICE_GET_RATE_FIELD(tx_rate, RATE);
+       if (rate->flags & DEV_RATE_OFDM) {
+               __set_bit(ENTRY_TXD_OFDM_RATE, &txdesc.flags);
 
+               txdesc.length_high = (length >> 6) & 0x3f;
+               txdesc.length_low = length & 0x3f;
+       } else {
                /*
                 * Convert length to microseconds.
                 */
-               residual = get_duration_res(length, bitrate);
-               duration = get_duration(length, bitrate);
+               residual = get_duration_res(length, rate->bitrate);
+               duration = get_duration(length, rate->bitrate);
 
                if (residual != 0) {
                        duration++;
@@ -761,28 +729,27 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
                        /*
                         * Check if we need to set the Length Extension
                         */
-                       if (bitrate == 110 && residual <= 30)
-                               desc.service |= 0x80;
+                       if (rate->bitrate == 110 && residual <= 30)
+                               txdesc.service |= 0x80;
                }
 
-               desc.length_high = (duration >> 8) & 0xff;
-               desc.length_low = duration & 0xff;
+               txdesc.length_high = (duration >> 8) & 0xff;
+               txdesc.length_low = duration & 0xff;
 
                /*
                 * When preamble is enabled we should set the
                 * preamble bit for the signal.
                 */
-               if (DEVICE_GET_RATE_FIELD(tx_rate, PREAMBLE))
-                       desc.signal |= 0x08;
+               if (rt2x00_get_rate_preamble(tx_rate))
+                       txdesc.signal |= 0x08;
        }
 
-       rt2x00dev->ops->lib->write_tx_desc(rt2x00dev, skb, &desc, control);
+       rt2x00dev->ops->lib->write_tx_desc(rt2x00dev, skb, &txdesc, control);
 
        /*
-        * Update ring entry.
+        * Update queue entry.
         */
        skbdesc->entry->skb = skb;
-       memcpy(&skbdesc->entry->tx_status.control, control, sizeof(*control));
 
        /*
         * The frame has been completely initialized and ready
@@ -798,133 +765,167 @@ EXPORT_SYMBOL_GPL(rt2x00lib_write_tx_desc);
 /*
  * Driver initialization handlers.
  */
+const struct rt2x00_rate rt2x00_supported_rates[12] = {
+       {
+               .flags = DEV_RATE_CCK | DEV_RATE_BASIC,
+               .bitrate = 10,
+               .ratemask = BIT(0),
+               .plcp = 0x00,
+       },
+       {
+               .flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE | DEV_RATE_BASIC,
+               .bitrate = 20,
+               .ratemask = BIT(1),
+               .plcp = 0x01,
+       },
+       {
+               .flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE | DEV_RATE_BASIC,
+               .bitrate = 55,
+               .ratemask = BIT(2),
+               .plcp = 0x02,
+       },
+       {
+               .flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE | DEV_RATE_BASIC,
+               .bitrate = 110,
+               .ratemask = BIT(3),
+               .plcp = 0x03,
+       },
+       {
+               .flags = DEV_RATE_OFDM | DEV_RATE_BASIC,
+               .bitrate = 60,
+               .ratemask = BIT(4),
+               .plcp = 0x0b,
+       },
+       {
+               .flags = DEV_RATE_OFDM,
+               .bitrate = 90,
+               .ratemask = BIT(5),
+               .plcp = 0x0f,
+       },
+       {
+               .flags = DEV_RATE_OFDM | DEV_RATE_BASIC,
+               .bitrate = 120,
+               .ratemask = BIT(6),
+               .plcp = 0x0a,
+       },
+       {
+               .flags = DEV_RATE_OFDM,
+               .bitrate = 180,
+               .ratemask = BIT(7),
+               .plcp = 0x0e,
+       },
+       {
+               .flags = DEV_RATE_OFDM | DEV_RATE_BASIC,
+               .bitrate = 240,
+               .ratemask = BIT(8),
+               .plcp = 0x09,
+       },
+       {
+               .flags = DEV_RATE_OFDM,
+               .bitrate = 360,
+               .ratemask = BIT(9),
+               .plcp = 0x0d,
+       },
+       {
+               .flags = DEV_RATE_OFDM,
+               .bitrate = 480,
+               .ratemask = BIT(10),
+               .plcp = 0x08,
+       },
+       {
+               .flags = DEV_RATE_OFDM,
+               .bitrate = 540,
+               .ratemask = BIT(11),
+               .plcp = 0x0c,
+       },
+};
+
 static void rt2x00lib_channel(struct ieee80211_channel *entry,
                              const int channel, const int tx_power,
                              const int value)
 {
-       entry->chan = channel;
-       if (channel <= 14)
-               entry->freq = 2407 + (5 * channel);
-       else
-               entry->freq = 5000 + (5 * channel);
-       entry->val = value;
-       entry->flag =
-           IEEE80211_CHAN_W_IBSS |
-           IEEE80211_CHAN_W_ACTIVE_SCAN |
-           IEEE80211_CHAN_W_SCAN;
-       entry->power_level = tx_power;
-       entry->antenna_max = 0xff;
+       entry->center_freq = ieee80211_channel_to_frequency(channel);
+       entry->hw_value = value;
+       entry->max_power = tx_power;
+       entry->max_antenna_gain = 0xff;
 }
 
 static void rt2x00lib_rate(struct ieee80211_rate *entry,
-                          const int rate, const int mask,
-                          const int plcp, const int flags)
+                          const u16 index, const struct rt2x00_rate *rate)
 {
-       entry->rate = rate;
-       entry->val =
-           DEVICE_SET_RATE_FIELD(rate, RATE) |
-           DEVICE_SET_RATE_FIELD(mask, RATEMASK) |
-           DEVICE_SET_RATE_FIELD(plcp, PLCP);
-       entry->flags = flags;
-       entry->val2 = entry->val;
-       if (entry->flags & IEEE80211_RATE_PREAMBLE2)
-               entry->val2 |= DEVICE_SET_RATE_FIELD(1, PREAMBLE);
-       entry->min_rssi_ack = 0;
-       entry->min_rssi_ack_delta = 0;
+       entry->flags = 0;
+       entry->bitrate = rate->bitrate;
+       entry->hw_value = rt2x00_create_rate_hw_value(index, 0);
+       entry->hw_value_short = entry->hw_value;
+
+       if (rate->flags & DEV_RATE_SHORT_PREAMBLE) {
+               entry->flags |= IEEE80211_RATE_SHORT_PREAMBLE;
+               entry->hw_value_short |= rt2x00_create_rate_hw_value(index, 1);
+       }
 }
 
 static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
                                    struct hw_mode_spec *spec)
 {
        struct ieee80211_hw *hw = rt2x00dev->hw;
-       struct ieee80211_hw_mode *hwmodes;
        struct ieee80211_channel *channels;
        struct ieee80211_rate *rates;
+       unsigned int num_rates;
        unsigned int i;
        unsigned char tx_power;
 
-       hwmodes = kzalloc(sizeof(*hwmodes) * spec->num_modes, GFP_KERNEL);
-       if (!hwmodes)
-               goto exit;
+       num_rates = 0;
+       if (spec->supported_rates & SUPPORT_RATE_CCK)
+               num_rates += 4;
+       if (spec->supported_rates & SUPPORT_RATE_OFDM)
+               num_rates += 8;
 
        channels = kzalloc(sizeof(*channels) * spec->num_channels, GFP_KERNEL);
        if (!channels)
-               goto exit_free_modes;
+               return -ENOMEM;
 
-       rates = kzalloc(sizeof(*rates) * spec->num_rates, GFP_KERNEL);
+       rates = kzalloc(sizeof(*rates) * num_rates, GFP_KERNEL);
        if (!rates)
                goto exit_free_channels;
 
        /*
         * Initialize Rate list.
         */
-       rt2x00lib_rate(&rates[0], 10, DEV_RATEMASK_1MB,
-                      0x00, IEEE80211_RATE_CCK);
-       rt2x00lib_rate(&rates[1], 20, DEV_RATEMASK_2MB,
-                      0x01, IEEE80211_RATE_CCK_2);
-       rt2x00lib_rate(&rates[2], 55, DEV_RATEMASK_5_5MB,
-                      0x02, IEEE80211_RATE_CCK_2);
-       rt2x00lib_rate(&rates[3], 110, DEV_RATEMASK_11MB,
-                      0x03, IEEE80211_RATE_CCK_2);
-
-       if (spec->num_rates > 4) {
-               rt2x00lib_rate(&rates[4], 60, DEV_RATEMASK_6MB,
-                              0x0b, IEEE80211_RATE_OFDM);
-               rt2x00lib_rate(&rates[5], 90, DEV_RATEMASK_9MB,
-                              0x0f, IEEE80211_RATE_OFDM);
-               rt2x00lib_rate(&rates[6], 120, DEV_RATEMASK_12MB,
-                              0x0a, IEEE80211_RATE_OFDM);
-               rt2x00lib_rate(&rates[7], 180, DEV_RATEMASK_18MB,
-                              0x0e, IEEE80211_RATE_OFDM);
-               rt2x00lib_rate(&rates[8], 240, DEV_RATEMASK_24MB,
-                              0x09, IEEE80211_RATE_OFDM);
-               rt2x00lib_rate(&rates[9], 360, DEV_RATEMASK_36MB,
-                              0x0d, IEEE80211_RATE_OFDM);
-               rt2x00lib_rate(&rates[10], 480, DEV_RATEMASK_48MB,
-                              0x08, IEEE80211_RATE_OFDM);
-               rt2x00lib_rate(&rates[11], 540, DEV_RATEMASK_54MB,
-                              0x0c, IEEE80211_RATE_OFDM);
-       }
+       for (i = 0; i < num_rates; i++)
+               rt2x00lib_rate(&rates[i], i, rt2x00_get_rate(i));
 
        /*
         * Initialize Channel list.
         */
        for (i = 0; i < spec->num_channels; i++) {
-               if (spec->channels[i].channel <= 14)
-                       tx_power = spec->tx_power_bg[i];
-               else if (spec->tx_power_a)
-                       tx_power = spec->tx_power_a[i];
-               else
-                       tx_power = spec->tx_power_default;
+               if (spec->channels[i].channel <= 14) {
+                       if (spec->tx_power_bg)
+                               tx_power = spec->tx_power_bg[i];
+                       else
+                               tx_power = spec->tx_power_default;
+               } else {
+                       if (spec->tx_power_a)
+                               tx_power = spec->tx_power_a[i];
+                       else
+                               tx_power = spec->tx_power_default;
+               }
 
                rt2x00lib_channel(&channels[i],
                                  spec->channels[i].channel, tx_power, i);
        }
 
        /*
-        * Intitialize 802.11b
-        * Rates: CCK.
-        * Channels: OFDM.
-        */
-       if (spec->num_modes > HWMODE_B) {
-               hwmodes[HWMODE_B].mode = MODE_IEEE80211B;
-               hwmodes[HWMODE_B].num_channels = 14;
-               hwmodes[HWMODE_B].num_rates = 4;
-               hwmodes[HWMODE_B].channels = channels;
-               hwmodes[HWMODE_B].rates = rates;
-       }
-
-       /*
-        * Intitialize 802.11g
+        * Intitialize 802.11b, 802.11g
         * Rates: CCK, OFDM.
-        * Channels: OFDM.
-        */
-       if (spec->num_modes > HWMODE_G) {
-               hwmodes[HWMODE_G].mode = MODE_IEEE80211G;
-               hwmodes[HWMODE_G].num_channels = 14;
-               hwmodes[HWMODE_G].num_rates = spec->num_rates;
-               hwmodes[HWMODE_G].channels = channels;
-               hwmodes[HWMODE_G].rates = rates;
+        * Channels: 2.4 GHz
+        */
+       if (spec->supported_bands & SUPPORT_BAND_2GHZ) {
+               rt2x00dev->bands[IEEE80211_BAND_2GHZ].n_channels = 14;
+               rt2x00dev->bands[IEEE80211_BAND_2GHZ].n_bitrates = num_rates;
+               rt2x00dev->bands[IEEE80211_BAND_2GHZ].channels = channels;
+               rt2x00dev->bands[IEEE80211_BAND_2GHZ].bitrates = rates;
+               hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+                   &rt2x00dev->bands[IEEE80211_BAND_2GHZ];
        }
 
        /*
@@ -932,40 +933,21 @@ static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
         * Rates: OFDM.
         * Channels: OFDM, UNII, HiperLAN2.
         */
-       if (spec->num_modes > HWMODE_A) {
-               hwmodes[HWMODE_A].mode = MODE_IEEE80211A;
-               hwmodes[HWMODE_A].num_channels = spec->num_channels - 14;
-               hwmodes[HWMODE_A].num_rates = spec->num_rates - 4;
-               hwmodes[HWMODE_A].channels = &channels[14];
-               hwmodes[HWMODE_A].rates = &rates[4];
+       if (spec->supported_bands & SUPPORT_BAND_5GHZ) {
+               rt2x00dev->bands[IEEE80211_BAND_5GHZ].n_channels =
+                   spec->num_channels - 14;
+               rt2x00dev->bands[IEEE80211_BAND_5GHZ].n_bitrates =
+                   num_rates - 4;
+               rt2x00dev->bands[IEEE80211_BAND_5GHZ].channels = &channels[14];
+               rt2x00dev->bands[IEEE80211_BAND_5GHZ].bitrates = &rates[4];
+               hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+                   &rt2x00dev->bands[IEEE80211_BAND_5GHZ];
        }
 
-       if (spec->num_modes > HWMODE_G &&
-           ieee80211_register_hwmode(hw, &hwmodes[HWMODE_G]))
-               goto exit_free_rates;
-
-       if (spec->num_modes > HWMODE_B &&
-           ieee80211_register_hwmode(hw, &hwmodes[HWMODE_B]))
-               goto exit_free_rates;
-
-       if (spec->num_modes > HWMODE_A &&
-           ieee80211_register_hwmode(hw, &hwmodes[HWMODE_A]))
-               goto exit_free_rates;
-
-       rt2x00dev->hwmodes = hwmodes;
-
        return 0;
 
-exit_free_rates:
-       kfree(rates);
-
-exit_free_channels:
+ exit_free_channels:
        kfree(channels);
-
-exit_free_modes:
-       kfree(hwmodes);
-
-exit:
        ERROR(rt2x00dev, "Allocation ieee80211 modes failed.\n");
        return -ENOMEM;
 }
@@ -975,11 +957,11 @@ static void rt2x00lib_remove_hw(struct rt2x00_dev *rt2x00dev)
        if (test_bit(DEVICE_REGISTERED_HW, &rt2x00dev->flags))
                ieee80211_unregister_hw(rt2x00dev->hw);
 
-       if (likely(rt2x00dev->hwmodes)) {
-               kfree(rt2x00dev->hwmodes->channels);
-               kfree(rt2x00dev->hwmodes->rates);
-               kfree(rt2x00dev->hwmodes);
-               rt2x00dev->hwmodes = NULL;
+       if (likely(rt2x00dev->hw->wiphy->bands[IEEE80211_BAND_2GHZ])) {
+               kfree(rt2x00dev->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
+               kfree(rt2x00dev->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->bitrates);
+               rt2x00dev->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
+               rt2x00dev->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
        }
 }
 
@@ -1012,86 +994,6 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
 /*
  * Initialization/uninitialization handlers.
  */
-static int rt2x00lib_alloc_entries(struct data_ring *ring,
-                                  const u16 max_entries, const u16 data_size,
-                                  const u16 desc_size)
-{
-       struct data_entry *entry;
-       unsigned int i;
-
-       ring->stats.limit = max_entries;
-       ring->data_size = data_size;
-       ring->desc_size = desc_size;
-
-       /*
-        * Allocate all ring entries.
-        */
-       entry = kzalloc(ring->stats.limit * sizeof(*entry), GFP_KERNEL);
-       if (!entry)
-               return -ENOMEM;
-
-       for (i = 0; i < ring->stats.limit; i++) {
-               entry[i].flags = 0;
-               entry[i].ring = ring;
-               entry[i].skb = NULL;
-               entry[i].entry_idx = i;
-       }
-
-       ring->entry = entry;
-
-       return 0;
-}
-
-static int rt2x00lib_alloc_ring_entries(struct rt2x00_dev *rt2x00dev)
-{
-       struct data_ring *ring;
-
-       /*
-        * Allocate the RX ring.
-        */
-       if (rt2x00lib_alloc_entries(rt2x00dev->rx, RX_ENTRIES, DATA_FRAME_SIZE,
-                                   rt2x00dev->ops->rxd_size))
-               return -ENOMEM;
-
-       /*
-        * First allocate the TX rings.
-        */
-       txring_for_each(rt2x00dev, ring) {
-               if (rt2x00lib_alloc_entries(ring, TX_ENTRIES, DATA_FRAME_SIZE,
-                                           rt2x00dev->ops->txd_size))
-                       return -ENOMEM;
-       }
-
-       if (!test_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags))
-               return 0;
-
-       /*
-        * Allocate the BEACON ring.
-        */
-       if (rt2x00lib_alloc_entries(&rt2x00dev->bcn[0], BEACON_ENTRIES,
-                                   MGMT_FRAME_SIZE, rt2x00dev->ops->txd_size))
-               return -ENOMEM;
-
-       /*
-        * Allocate the Atim ring.
-        */
-       if (rt2x00lib_alloc_entries(&rt2x00dev->bcn[1], ATIM_ENTRIES,
-                                   DATA_FRAME_SIZE, rt2x00dev->ops->txd_size))
-               return -ENOMEM;
-
-       return 0;
-}
-
-static void rt2x00lib_free_ring_entries(struct rt2x00_dev *rt2x00dev)
-{
-       struct data_ring *ring;
-
-       ring_for_each(rt2x00dev, ring) {
-               kfree(ring->entry);
-               ring->entry = NULL;
-       }
-}
-
 static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev)
 {
        if (!__test_and_clear_bit(DEVICE_INITIALIZED, &rt2x00dev->flags))
@@ -1108,9 +1010,9 @@ static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev)
        rt2x00dev->ops->lib->uninitialize(rt2x00dev);
 
        /*
-        * Free allocated ring entries.
+        * Free allocated queue entries.
         */
-       rt2x00lib_free_ring_entries(rt2x00dev);
+       rt2x00queue_uninitialize(rt2x00dev);
 }
 
 static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
@@ -1121,20 +1023,20 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
                return 0;
 
        /*
-        * Allocate all ring entries.
+        * Allocate all queue entries.
         */
-       status = rt2x00lib_alloc_ring_entries(rt2x00dev);
-       if (status) {
-               ERROR(rt2x00dev, "Ring entries allocation failed.\n");
+       status = rt2x00queue_initialize(rt2x00dev);
+       if (status)
                return status;
-       }
 
        /*
         * Initialize the device.
         */
        status = rt2x00dev->ops->lib->initialize(rt2x00dev);
-       if (status)
-               goto exit;
+       if (status) {
+               rt2x00queue_uninitialize(rt2x00dev);
+               return status;
+       }
 
        __set_bit(DEVICE_INITIALIZED, &rt2x00dev->flags);
 
@@ -1144,11 +1046,6 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
        rt2x00rfkill_register(rt2x00dev);
 
        return 0;
-
-exit:
-       rt2x00lib_free_ring_entries(rt2x00dev);
-
-       return status;
 }
 
 int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
@@ -1162,11 +1059,9 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
         * If this is the first interface which is added,
         * we should load the firmware now.
         */
-       if (test_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags)) {
-               retval = rt2x00lib_load_firmware(rt2x00dev);
-               if (retval)
-                       return retval;
-       }
+       retval = rt2x00lib_load_firmware(rt2x00dev);
+       if (retval)
+               return retval;
 
        /*
         * Initialize the device.
@@ -1184,6 +1079,10 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
                return retval;
        }
 
+       rt2x00dev->intf_ap_count = 0;
+       rt2x00dev->intf_sta_count = 0;
+       rt2x00dev->intf_associated = 0;
+
        __set_bit(DEVICE_STARTED, &rt2x00dev->flags);
 
        return 0;
@@ -1200,74 +1099,25 @@ void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev)
         */
        rt2x00lib_disable_radio(rt2x00dev);
 
+       rt2x00dev->intf_ap_count = 0;
+       rt2x00dev->intf_sta_count = 0;
+       rt2x00dev->intf_associated = 0;
+
        __clear_bit(DEVICE_STARTED, &rt2x00dev->flags);
 }
 
 /*
  * driver allocation handlers.
  */
-static int rt2x00lib_alloc_rings(struct rt2x00_dev *rt2x00dev)
+int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
 {
-       struct data_ring *ring;
-       unsigned int index;
-
-       /*
-        * We need the following rings:
-        * RX: 1
-        * TX: hw->queues
-        * Beacon: 1 (if required)
-        * Atim: 1 (if required)
-        */
-       rt2x00dev->data_rings = 1 + rt2x00dev->hw->queues +
-           (2 * test_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags));
-
-       ring = kzalloc(rt2x00dev->data_rings * sizeof(*ring), GFP_KERNEL);
-       if (!ring) {
-               ERROR(rt2x00dev, "Ring allocation failed.\n");
-               return -ENOMEM;
-       }
+       int retval = -ENOMEM;
 
        /*
-        * Initialize pointers
+        * Make room for rt2x00_intf inside the per-interface
+        * structure ieee80211_vif.
         */
-       rt2x00dev->rx = ring;
-       rt2x00dev->tx = &rt2x00dev->rx[1];
-       if (test_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags))
-               rt2x00dev->bcn = &rt2x00dev->tx[rt2x00dev->hw->queues];
-
-       /*
-        * Initialize ring parameters.
-        * RX: queue_idx = 0
-        * TX: queue_idx = IEEE80211_TX_QUEUE_DATA0 + index
-        * TX: cw_min: 2^5 = 32.
-        * TX: cw_max: 2^10 = 1024.
-        */
-       rt2x00dev->rx->rt2x00dev = rt2x00dev;
-       rt2x00dev->rx->queue_idx = 0;
-
-       index = IEEE80211_TX_QUEUE_DATA0;
-       txring_for_each(rt2x00dev, ring) {
-               ring->rt2x00dev = rt2x00dev;
-               ring->queue_idx = index++;
-               ring->tx_params.aifs = 2;
-               ring->tx_params.cw_min = 5;
-               ring->tx_params.cw_max = 10;
-       }
-
-       return 0;
-}
-
-static void rt2x00lib_free_rings(struct rt2x00_dev *rt2x00dev)
-{
-       kfree(rt2x00dev->rx);
-       rt2x00dev->rx = NULL;
-       rt2x00dev->tx = NULL;
-       rt2x00dev->bcn = NULL;
-}
-
-int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
-{
-       int retval = -ENOMEM;
+       rt2x00dev->hw->vif_data_size = sizeof(struct rt2x00_intf);
 
        /*
         * Let the driver probe the device to detect the capabilities.
@@ -1281,20 +1131,18 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
        /*
         * Initialize configuration work.
         */
-       INIT_WORK(&rt2x00dev->beacon_work, rt2x00lib_beacondone_scheduled);
+       rt2x00dev->workqueue = create_singlethread_workqueue("rt2x00lib");
+       if (!rt2x00dev->workqueue)
+               goto exit;
+
+       INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
        INIT_WORK(&rt2x00dev->filter_work, rt2x00lib_packetfilter_scheduled);
-       INIT_WORK(&rt2x00dev->config_work, rt2x00lib_configuration_scheduled);
        INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00lib_link_tuner);
 
        /*
-        * Reset current working type.
+        * Allocate queue array.
         */
-       rt2x00dev->interface.type = IEEE80211_IF_TYPE_INVALID;
-
-       /*
-        * Allocate ring array.
-        */
-       retval = rt2x00lib_alloc_rings(rt2x00dev);
+       retval = rt2x00queue_allocate(rt2x00dev);
        if (retval)
                goto exit;
 
@@ -1310,6 +1158,7 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
        /*
         * Register extra components.
         */
+       rt2x00leds_register(rt2x00dev);
        rt2x00rfkill_allocate(rt2x00dev);
        rt2x00debug_register(rt2x00dev);
 
@@ -1343,6 +1192,14 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
         */
        rt2x00debug_deregister(rt2x00dev);
        rt2x00rfkill_free(rt2x00dev);
+       rt2x00leds_unregister(rt2x00dev);
+
+       /*
+        * Stop all queued work. Note that most tasks will already be halted
+        * during rt2x00lib_disable_radio() and rt2x00lib_uninitialize().
+        */
+       flush_workqueue(rt2x00dev->workqueue);
+       destroy_workqueue(rt2x00dev->workqueue);
 
        /*
         * Free ieee80211_hw memory.
@@ -1355,9 +1212,9 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
        rt2x00lib_free_firmware(rt2x00dev);
 
        /*
-        * Free ring structures.
+        * Free queue structures.
         */
-       rt2x00lib_free_rings(rt2x00dev);
+       rt2x00queue_free(rt2x00dev);
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_remove_dev);
 
@@ -1388,6 +1245,7 @@ int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state)
        /*
         * Suspend/disable extra components.
         */
+       rt2x00leds_suspend(rt2x00dev);
        rt2x00rfkill_suspend(rt2x00dev);
        rt2x00debug_deregister(rt2x00dev);
 
@@ -1412,9 +1270,30 @@ exit:
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_suspend);
 
+static void rt2x00lib_resume_intf(void *data, u8 *mac,
+                                 struct ieee80211_vif *vif)
+{
+       struct rt2x00_dev *rt2x00dev = data;
+       struct rt2x00_intf *intf = vif_to_intf(vif);
+
+       spin_lock(&intf->lock);
+
+       rt2x00lib_config_intf(rt2x00dev, intf,
+                             vif->type, intf->mac, intf->bssid);
+
+
+       /*
+        * Master or Ad-hoc mode require a new beacon update.
+        */
+       if (vif->type == IEEE80211_IF_TYPE_AP ||
+           vif->type == IEEE80211_IF_TYPE_IBSS)
+               intf->delayed_flags |= DELAYED_UPDATE_BEACON;
+
+       spin_unlock(&intf->lock);
+}
+
 int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
 {
-       struct interface *intf = &rt2x00dev->interface;
        int retval;
 
        NOTICE(rt2x00dev, "Waking up.\n");
@@ -1424,6 +1303,7 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
         */
        rt2x00debug_register(rt2x00dev);
        rt2x00rfkill_resume(rt2x00dev);
+       rt2x00leds_resume(rt2x00dev);
 
        /*
         * Only continue if mac80211 had open interfaces.
@@ -1445,9 +1325,12 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
        if (!rt2x00dev->hw->conf.radio_enabled)
                rt2x00lib_disable_radio(rt2x00dev);
 
-       rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
-       rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
-       rt2x00lib_config_type(rt2x00dev, intf->type);
+       /*
+        * Iterator over each active interface to
+        * reconfigure the hardware.
+        */
+       ieee80211_iterate_active_interfaces(rt2x00dev->hw,
+                                           rt2x00lib_resume_intf, rt2x00dev);
 
        /*
         * We are ready again to receive requests from mac80211.
@@ -1463,12 +1346,11 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
        ieee80211_start_queues(rt2x00dev->hw);
 
        /*
-        * When in Master or Ad-hoc mode,
-        * restart Beacon transmitting by faking a beacondone event.
+        * During interface iteration we might have changed the
+        * delayed_flags, time to handles the event by calling
+        * the work handler directly.
         */
-       if (intf->type == IEEE80211_IF_TYPE_AP ||
-           intf->type == IEEE80211_IF_TYPE_IBSS)
-               rt2x00lib_beacondone(rt2x00dev);
+       rt2x00lib_intf_scheduled(&rt2x00dev->intf_work);
 
        return 0;