1 files changed, 88 insertions, 46 deletions

diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 416e44943e71..4e6466b13af1 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1234,10 +1234,10 @@ static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
  */
 static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
                                     struct sk_buff *skb,
-                                    struct txdata_entry_desc *desc,
+                                    struct txentry_desc *txdesc,
                                     struct ieee80211_tx_control *control)
 {
-        struct skb_desc *skbdesc = get_skb_desc(skb);
+        struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
         __le32 *txd = skbdesc->desc;
         u32 word;
 
@@ -1245,19 +1245,19 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
          * Start writing the descriptor words.
          */
         rt2x00_desc_read(txd, 1, &word);
-        rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, desc->queue);
-        rt2x00_set_field32(&word, TXD_W1_AIFSN, desc->aifs);
-        rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min);
-        rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max);
+        rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue);
+        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);
         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
         rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1);
         rt2x00_desc_write(txd, 1, word);
 
         rt2x00_desc_read(txd, 2, &word);
-        rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal);
-        rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service);
-        rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low);
-        rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high);
+        rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
+        rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
+        rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
+        rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
         rt2x00_desc_write(txd, 2, word);
 
         rt2x00_desc_read(txd, 5, &word);
@@ -1268,24 +1268,24 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 
         rt2x00_desc_read(txd, 0, &word);
         rt2x00_set_field32(&word, TXD_W0_BURST,
-                           test_bit(ENTRY_TXD_BURST, &desc->flags));
+                           test_bit(ENTRY_TXD_BURST, &txdesc->flags));
         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
-                           test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
+                           test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
         rt2x00_set_field32(&word, TXD_W0_ACK,
-                           test_bit(ENTRY_TXD_ACK, &desc->flags));
+                           test_bit(ENTRY_TXD_ACK, &txdesc->flags));
         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
-                           test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
+                           test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
         rt2x00_set_field32(&word, TXD_W0_OFDM,
-                           test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
-        rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
+                           test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
+        rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
                            !!(control->flags &
                               IEEE80211_TXCTL_LONG_RETRY_LIMIT));
         rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0);
         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
         rt2x00_set_field32(&word, TXD_W0_BURST2,
-                           test_bit(ENTRY_TXD_BURST, &desc->flags));
+                           test_bit(ENTRY_TXD_BURST, &txdesc->flags));
         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
         rt2x00_desc_write(txd, 0, word);
 }
@@ -1377,37 +1377,57 @@ static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
         return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
 }
 
-static void rt73usb_fill_rxdone(struct data_entry *entry,
-                                struct rxdata_entry_desc *desc)
+static void rt73usb_fill_rxdone(struct queue_entry *entry,
+                                struct rxdone_entry_desc *rxdesc)
 {
-        struct skb_desc *skbdesc = get_skb_desc(entry->skb);
+        struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
         __le32 *rxd = (__le32 *)entry->skb->data;
+        struct ieee80211_hdr *hdr =
+            (struct ieee80211_hdr *)entry->skb->data + entry->queue->desc_size;
+        int header_size = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control));
         u32 word0;
         u32 word1;
 
         rt2x00_desc_read(rxd, 0, &word0);
         rt2x00_desc_read(rxd, 1, &word1);
 
-        desc->flags = 0;
+        rxdesc->flags = 0;
         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
-                desc->flags |= RX_FLAG_FAILED_FCS_CRC;
+                rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 
         /*
          * Obtain the status about this packet.
          */
-        desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
-        desc->rssi = rt73usb_agc_to_rssi(entry->ring->rt2x00dev, word1);
-        desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
-        desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
-        desc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS);
+        rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
+        rxdesc->rssi = rt73usb_agc_to_rssi(entry->queue->rt2x00dev, word1);
+        rxdesc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
+        rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
+        rxdesc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS);
+
+        /*
+         * The data behind the ieee80211 header must be
+         * aligned on a 4 byte boundary.
+         */
+        if (header_size % 4 == 0) {
+                skb_push(entry->skb, 2);
+                memmove(entry->skb->data, entry->skb->data + 2,
+                        entry->skb->len - 2);
+        }
 
         /*
          * Set descriptor and data pointer.
          */
+        skbdesc->data = entry->skb->data + entry->queue->desc_size;
+        skbdesc->data_len = entry->queue->data_size;
         skbdesc->desc = entry->skb->data;
-        skbdesc->desc_len = entry->ring->desc_size;
-        skbdesc->data = entry->skb->data + entry->ring->desc_size;
-        skbdesc->data_len = desc->size;
+        skbdesc->desc_len = entry->queue->desc_size;
+
+        /*
+         * Remove descriptor from skb buffer and trim the whole thing
+         * down to only contain data.
+         */
+        skb_pull(entry->skb, skbdesc->desc_len);
+        skb_trim(entry->skb, rxdesc->size);
 }
 
 /*
@@ -1967,9 +1987,9 @@ static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
                           struct ieee80211_tx_control *control)
 {
         struct rt2x00_dev *rt2x00dev = hw->priv;
-        struct skb_desc *desc;
-        struct data_ring *ring;
-        struct data_entry *entry;
+        struct skb_frame_desc *skbdesc;
+        struct data_queue *queue;
+        struct queue_entry *entry;
         int timeout;
 
         /*
@@ -1978,25 +1998,25 @@ static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
          * initialization.
          */
         control->queue = IEEE80211_TX_QUEUE_BEACON;
-        ring = rt2x00lib_get_ring(rt2x00dev, control->queue);
-        entry = rt2x00_get_data_entry(ring);
+        queue = rt2x00queue_get_queue(rt2x00dev, control->queue);
+        entry = rt2x00queue_get_entry(queue, Q_INDEX);
 
         /*
          * Add the descriptor in front of the skb.
          */
-        skb_push(skb, ring->desc_size);
-        memset(skb->data, 0, ring->desc_size);
+        skb_push(skb, queue->desc_size);
+        memset(skb->data, 0, queue->desc_size);
 
         /*
          * Fill in skb descriptor
          */
-        desc = get_skb_desc(skb);
-        desc->desc_len = ring->desc_size;
-        desc->data_len = skb->len - ring->desc_size;
-        desc->desc = skb->data;
-        desc->data = skb->data + ring->desc_size;
-        desc->ring = ring;
-        desc->entry = entry;
+        skbdesc = get_skb_frame_desc(skb);
+        memset(skbdesc, 0, sizeof(*skbdesc));
+        skbdesc->data = skb->data + queue->desc_size;
+        skbdesc->data_len = queue->data_size;
+        skbdesc->desc = skb->data;
+        skbdesc->desc_len = queue->desc_size;
+        skbdesc->entry = entry;
 
         rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
 
@@ -2057,12 +2077,34 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
         .config                 = rt73usb_config,
 };
 
+static const struct data_queue_desc rt73usb_queue_rx = {
+        .entry_num              = RX_ENTRIES,
+        .data_size              = DATA_FRAME_SIZE,
+        .desc_size              = RXD_DESC_SIZE,
+        .priv_size              = sizeof(struct queue_entry_priv_usb_rx),
+};
+
+static const struct data_queue_desc rt73usb_queue_tx = {
+        .entry_num              = TX_ENTRIES,
+        .data_size              = DATA_FRAME_SIZE,
+        .desc_size              = TXD_DESC_SIZE,
+        .priv_size              = sizeof(struct queue_entry_priv_usb_tx),
+};
+
+static const struct data_queue_desc rt73usb_queue_bcn = {
+        .entry_num              = BEACON_ENTRIES,
+        .data_size              = MGMT_FRAME_SIZE,
+        .desc_size              = TXINFO_SIZE,
+        .priv_size              = sizeof(struct queue_entry_priv_usb_tx),
+};
+
 static const struct rt2x00_ops rt73usb_ops = {
         .name           = KBUILD_MODNAME,
-        .rxd_size       = RXD_DESC_SIZE,
-        .txd_size       = TXD_DESC_SIZE,
         .eeprom_size    = EEPROM_SIZE,
         .rf_size        = RF_SIZE,
+        .rx             = &rt73usb_queue_rx,
+        .tx             = &rt73usb_queue_tx,
+        .bcn            = &rt73usb_queue_bcn,
         .lib            = &rt73usb_rt2x00_ops,
         .hw             = &rt73usb_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS