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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[cascardo/linux.git] / drivers / net / wireless / rt2x00 / rt73usb.c
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index aa9de18..9be8089 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -545,7 +545,8 @@ static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
 }
 
 static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
-                              struct rt2x00lib_erp *erp)
+                              struct rt2x00lib_erp *erp,
+                              u32 changed)
 {
        u32 reg;
 
@@ -554,28 +555,36 @@ static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
        rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
        rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 
-       rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
-       rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
-       rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
-                          !!erp->short_preamble);
-       rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
+       if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+               rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
+               rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
+               rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
+                                  !!erp->short_preamble);
+               rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
+       }
 
-       rt2x00usb_register_write(rt2x00dev, TXRX_CSR5, erp->basic_rates);
+       if (changed & BSS_CHANGED_BASIC_RATES)
+               rt2x00usb_register_write(rt2x00dev, TXRX_CSR5,
+                                        erp->basic_rates);
 
-       rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
-       rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
-                          erp->beacon_int * 16);
-       rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+       if (changed & BSS_CHANGED_BEACON_INT) {
+               rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+               rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
+                                  erp->beacon_int * 16);
+               rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+       }
 
-       rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
-       rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
-       rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
+       if (changed & BSS_CHANGED_ERP_SLOT) {
+               rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
+               rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
+               rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
 
-       rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg);
-       rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs);
-       rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
-       rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs);
-       rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg);
+               rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg);
+               rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs);
+               rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
+               rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs);
+               rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg);
+       }
 }
 
 static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
@@ -929,7 +938,7 @@ static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev,
        /*
         * Determine r17 bounds.
         */
-       if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
+       if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
                low_bound = 0x28;
                up_bound = 0x48;
 
@@ -1426,12 +1435,11 @@ static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 /*
  * TX descriptor initialization
  */
-static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-                                 struct sk_buff *skb,
+static void rt73usb_write_tx_desc(struct queue_entry *entry,
                                  struct txentry_desc *txdesc)
 {
-       struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-       __le32 *txd = (__le32 *) skb->data;
+       struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+       __le32 *txd = (__le32 *) entry->skb->data;
        u32 word;
 
        /*
@@ -1464,7 +1472,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
        rt2x00_desc_write(txd, 0, word);
 
        rt2x00_desc_read(txd, 1, &word);
-       rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue);
+       rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->qid);
        rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs);
        rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
        rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
@@ -1487,7 +1495,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 
        rt2x00_desc_read(txd, 5, &word);
        rt2x00_set_field32(&word, TXD_W5_TX_POWER,
-                          TXPOWER_TO_DEV(rt2x00dev->tx_power));
+                          TXPOWER_TO_DEV(entry->queue->rt2x00dev->tx_power));
        rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
        rt2x00_desc_write(txd, 5, word);
 
@@ -1526,7 +1534,7 @@ static void rt73usb_write_beacon(struct queue_entry *entry,
        /*
         * Write the TX descriptor for the beacon.
         */
-       rt73usb_write_tx_desc(rt2x00dev, entry->skb, txdesc);
+       rt73usb_write_tx_desc(entry, txdesc);
 
        /*
         * Dump beacon to userspace through debugfs.
@@ -1574,6 +1582,14 @@ static int rt73usb_get_tx_data_len(struct queue_entry *entry)
        return length;
 }
 
+static void rt73usb_kill_tx_queue(struct data_queue *queue)
+{
+       if (queue->qid == QID_BEACON)
+               rt2x00usb_register_write(queue->rt2x00dev, TXRX_CSR9, 0);
+
+       rt2x00usb_kill_tx_queue(queue);
+}
+
 /*
  * RX control handlers
  */
@@ -1597,7 +1613,7 @@ static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
                return 0;
        }
 
-       if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
+       if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
                if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
                        if (lna == 3 || lna == 2)
                                offset += 10;
@@ -2047,9 +2063,14 @@ static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 
        /*
         * Initialize all hw fields.
+        *
+        * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING unless we are
+        * capable of sending the buffered frames out after the DTIM
+        * transmission using rt2x00lib_beacondone. This will send out
+        * multicast and broadcast traffic immediately instead of buffering it
+        * infinitly and thus dropping it after some time.
         */
        rt2x00dev->hw->flags =
-           IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
            IEEE80211_HW_SIGNAL_DBM |
            IEEE80211_HW_SUPPORTS_PS |
            IEEE80211_HW_PS_NULLFUNC_STACK;
@@ -2084,20 +2105,24 @@ static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
        /*
         * Create channel information array
         */
-       info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
+       info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
        if (!info)
                return -ENOMEM;
 
        spec->channels_info = info;
 
        tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
-       for (i = 0; i < 14; i++)
-               info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+       for (i = 0; i < 14; i++) {
+               info[i].max_power = MAX_TXPOWER;
+               info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+       }
 
        if (spec->num_channels > 14) {
                tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
-               for (i = 14; i < spec->num_channels; i++)
-                       info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+               for (i = 14; i < spec->num_channels; i++) {
+                       info[i].max_power = MAX_TXPOWER;
+                       info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+               }
        }
 
        return 0;
@@ -2259,7 +2284,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
        .write_beacon           = rt73usb_write_beacon,
        .get_tx_data_len        = rt73usb_get_tx_data_len,
        .kick_tx_queue          = rt2x00usb_kick_tx_queue,
-       .kill_tx_queue          = rt2x00usb_kill_tx_queue,
+       .kill_tx_queue          = rt73usb_kill_tx_queue,
        .fill_rxdone            = rt73usb_fill_rxdone,
        .config_shared_key      = rt73usb_config_shared_key,
        .config_pairwise_key    = rt73usb_config_pairwise_key,
@@ -2345,6 +2370,7 @@ static struct usb_device_id rt73usb_device_table[] = {
        { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) },
        { USB_DEVICE(0x0411, 0x0116), USB_DEVICE_DATA(&rt73usb_ops) },
        { USB_DEVICE(0x0411, 0x0119), USB_DEVICE_DATA(&rt73usb_ops) },
+       { USB_DEVICE(0x0411, 0x0137), USB_DEVICE_DATA(&rt73usb_ops) },
        /* CEIVA */
        { USB_DEVICE(0x178d, 0x02be), USB_DEVICE_DATA(&rt73usb_ops) },
        /* CNet */
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