rt2800: 5592: TXWI & RXWI descriptors size

Based on:
TXWI_STRUC
RXWI_STRUC

from:
DPO_RT5572_LinuxSTA_2.6.1.3_20121022/include/chip/rtmp_mac.h

Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Tested-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 51 insertions, 2 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index f9ca79503252..9b1ca672f6ca 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -485,7 +485,7 @@ static void rt2800usb_write_tx_desc(struct queue_entry *entry,
          */
         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
         skbdesc->desc = txi;
-        skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
+        skbdesc->desc_len = entry->queue->desc_size;
 }
 
 /*
@@ -730,6 +730,11 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
          * Process the RXWI structure.
          */
         rt2800_process_rxwi(entry, rxdesc);
+
+        /*
+         * Remove RXWI descriptor from start of buffer.
+         */
+        skb_pull(entry->skb, entry->queue->desc_size - RXINFO_DESC_SIZE);
 }
 
 /*
@@ -890,6 +895,47 @@ static const struct rt2x00_ops rt2800usb_ops = {
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 };
 
+static const struct data_queue_desc rt2800usb_queue_rx_5592 = {
+        .entry_num              = 128,
+        .data_size              = AGGREGATION_SIZE,
+        .desc_size              = RXINFO_DESC_SIZE + RXWI_DESC_SIZE_5592,
+        .priv_size              = sizeof(struct queue_entry_priv_usb),
+};
+
+static const struct data_queue_desc rt2800usb_queue_tx_5592 = {
+        .entry_num              = 16,
+        .data_size              = AGGREGATION_SIZE,
+        .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE_5592,
+        .priv_size              = sizeof(struct queue_entry_priv_usb),
+};
+
+static const struct data_queue_desc rt2800usb_queue_bcn_5592 = {
+        .entry_num              = 8,
+        .data_size              = MGMT_FRAME_SIZE,
+        .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE_5592,
+        .priv_size              = sizeof(struct queue_entry_priv_usb),
+};
+
+
+static const struct rt2x00_ops rt2800usb_ops_5592 = {
+        .name                   = KBUILD_MODNAME,
+        .drv_data_size          = sizeof(struct rt2800_drv_data),
+        .max_ap_intf            = 8,
+        .eeprom_size            = EEPROM_SIZE,
+        .rf_size                = RF_SIZE,
+        .tx_queues              = NUM_TX_QUEUES,
+        .extra_tx_headroom      = TXINFO_DESC_SIZE + TXWI_DESC_SIZE_5592,
+        .rx                     = &rt2800usb_queue_rx_5592,
+        .tx                     = &rt2800usb_queue_tx_5592,
+        .bcn                    = &rt2800usb_queue_bcn_5592,
+        .lib                    = &rt2800usb_rt2x00_ops,
+        .drv                    = &rt2800usb_rt2800_ops,
+        .hw                     = &rt2800usb_mac80211_ops,
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+        .debugfs                = &rt2800_rt2x00debug,
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+};
+
 /*
  * rt2800usb module information.
  */
@@ -1201,7 +1247,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
         { USB_DEVICE(0x148f, 0x5372) },
 #endif
 #ifdef CONFIG_RT2800USB_RT55XX
-        { USB_DEVICE(0x148f, 0x5572) },
+        { USB_DEVICE(0x148f, 0x5572), .driver_info = 5592 },
 #endif
 #ifdef CONFIG_RT2800USB_UNKNOWN
         /*
@@ -1306,6 +1352,9 @@ MODULE_LICENSE("GPL");
 static int rt2800usb_probe(struct usb_interface *usb_intf,
                            const struct usb_device_id *id)
 {
+        if (id->driver_info == 5592)
+                return rt2x00usb_probe(usb_intf, &rt2800usb_ops_5592);
+
         return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
 }