rtlwifi: Add usb driver
authorGeorge <george0505@realtek.com>
Fri, 11 Feb 2011 20:27:49 +0000 (14:27 -0600)
committerJohn W. Linville <linville@tuxdriver.com>
Fri, 11 Feb 2011 21:16:37 +0000 (16:16 -0500)
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: George <george0505@realtek.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/rtlwifi/Makefile
drivers/net/wireless/rtlwifi/usb.c [new file with mode: 0644]
drivers/net/wireless/rtlwifi/usb.h [new file with mode: 0644]

index 2a7a4384f8ee9725a871aa6d4ef47f152cbcf25a..efbff2f478bf4cb8c57e4c088d31775787725bc8 100644 (file)
@@ -8,6 +8,7 @@ rtlwifi-objs    :=              \
                pci.o           \
                ps.o            \
                rc.o            \
-               regd.o
+               regd.o          \
+               usb.o
 
 obj-$(CONFIG_RTL8192CE)                += rtl8192ce/
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
new file mode 100644 (file)
index 0000000..fbf24a0
--- /dev/null
@@ -0,0 +1,1035 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2011  Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ *****************************************************************************/
+#include <linux/usb.h>
+#include "core.h"
+#include "wifi.h"
+#include "usb.h"
+#include "base.h"
+#include "ps.h"
+
+#define        REALTEK_USB_VENQT_READ                  0xC0
+#define        REALTEK_USB_VENQT_WRITE                 0x40
+#define REALTEK_USB_VENQT_CMD_REQ              0x05
+#define        REALTEK_USB_VENQT_CMD_IDX               0x00
+
+#define REALTEK_USB_VENQT_MAX_BUF_SIZE         254
+
+static void usbctrl_async_callback(struct urb *urb)
+{
+       if (urb)
+               kfree(urb->context);
+}
+
+static int _usbctrl_vendorreq_async_write(struct usb_device *udev, u8 request,
+                                         u16 value, u16 index, void *pdata,
+                                         u16 len)
+{
+       int rc;
+       unsigned int pipe;
+       u8 reqtype;
+       struct usb_ctrlrequest *dr;
+       struct urb *urb;
+       struct rtl819x_async_write_data {
+               u8 data[REALTEK_USB_VENQT_MAX_BUF_SIZE];
+               struct usb_ctrlrequest dr;
+       } *buf;
+
+       pipe = usb_sndctrlpipe(udev, 0); /* write_out */
+       reqtype =  REALTEK_USB_VENQT_WRITE;
+
+       buf = kmalloc(sizeof(*buf), GFP_ATOMIC);
+       if (!buf)
+               return -ENOMEM;
+
+       urb = usb_alloc_urb(0, GFP_ATOMIC);
+       if (!urb) {
+               kfree(buf);
+               return -ENOMEM;
+       }
+
+       dr = &buf->dr;
+
+       dr->bRequestType = reqtype;
+       dr->bRequest = request;
+       dr->wValue = cpu_to_le16(value);
+       dr->wIndex = cpu_to_le16(index);
+       dr->wLength = cpu_to_le16(len);
+       memcpy(buf, pdata, len);
+       usb_fill_control_urb(urb, udev, pipe,
+                            (unsigned char *)dr, buf, len,
+                            usbctrl_async_callback, buf);
+       rc = usb_submit_urb(urb, GFP_ATOMIC);
+       if (rc < 0)
+               kfree(buf);
+       usb_free_urb(urb);
+       return rc;
+}
+
+static int _usbctrl_vendorreq_sync_read(struct usb_device *udev, u8 request,
+                                       u16 value, u16 index, void *pdata,
+                                       u16 len)
+{
+       unsigned int pipe;
+       int status;
+       u8 reqtype;
+
+       pipe = usb_rcvctrlpipe(udev, 0); /* read_in */
+       reqtype =  REALTEK_USB_VENQT_READ;
+
+       status = usb_control_msg(udev, pipe, request, reqtype, value, index,
+                                pdata, len, 0); /* max. timeout */
+
+       if (status < 0)
+               printk(KERN_ERR "reg 0x%x, usbctrl_vendorreq TimeOut! "
+                      "status:0x%x value=0x%x\n", value, status,
+                      *(u32 *)pdata);
+       return status;
+}
+
+static u32 _usb_read_sync(struct usb_device *udev, u32 addr, u16 len)
+{
+       u8 request;
+       u16 wvalue;
+       u16 index;
+       u32 *data;
+       u32 ret;
+
+       data = kmalloc(sizeof(u32), GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
+       request = REALTEK_USB_VENQT_CMD_REQ;
+       index = REALTEK_USB_VENQT_CMD_IDX; /* n/a */
+
+       wvalue = (u16)addr;
+       _usbctrl_vendorreq_sync_read(udev, request, wvalue, index, data, len);
+       ret = le32_to_cpu(*data);
+       kfree(data);
+       return ret;
+}
+
+static u8 _usb_read8_sync(struct rtl_priv *rtlpriv, u32 addr)
+{
+       struct device *dev = rtlpriv->io.dev;
+
+       return (u8)_usb_read_sync(to_usb_device(dev), addr, 1);
+}
+
+static u16 _usb_read16_sync(struct rtl_priv *rtlpriv, u32 addr)
+{
+       struct device *dev = rtlpriv->io.dev;
+
+       return (u16)_usb_read_sync(to_usb_device(dev), addr, 2);
+}
+
+static u32 _usb_read32_sync(struct rtl_priv *rtlpriv, u32 addr)
+{
+       struct device *dev = rtlpriv->io.dev;
+
+       return _usb_read_sync(to_usb_device(dev), addr, 4);
+}
+
+static void _usb_write_async(struct usb_device *udev, u32 addr, u32 val,
+                            u16 len)
+{
+       u8 request;
+       u16 wvalue;
+       u16 index;
+       u32 data;
+
+       request = REALTEK_USB_VENQT_CMD_REQ;
+       index = REALTEK_USB_VENQT_CMD_IDX; /* n/a */
+       wvalue = (u16)(addr&0x0000ffff);
+       data = cpu_to_le32(val);
+       _usbctrl_vendorreq_async_write(udev, request, wvalue, index, &data,
+                                      len);
+}
+
+static void _usb_write8_async(struct rtl_priv *rtlpriv, u32 addr, u8 val)
+{
+       struct device *dev = rtlpriv->io.dev;
+
+       _usb_write_async(to_usb_device(dev), addr, val, 1);
+}
+
+static void _usb_write16_async(struct rtl_priv *rtlpriv, u32 addr, u16 val)
+{
+       struct device *dev = rtlpriv->io.dev;
+
+       _usb_write_async(to_usb_device(dev), addr, val, 2);
+}
+
+static void _usb_write32_async(struct rtl_priv *rtlpriv, u32 addr, u32 val)
+{
+       struct device *dev = rtlpriv->io.dev;
+
+       _usb_write_async(to_usb_device(dev), addr, val, 4);
+}
+
+static int _usb_nbytes_read_write(struct usb_device *udev, bool read, u32 addr,
+                                 u16 len, u8 *pdata)
+{
+       int status;
+       u8 request;
+       u16 wvalue;
+       u16 index;
+
+       request = REALTEK_USB_VENQT_CMD_REQ;
+       index = REALTEK_USB_VENQT_CMD_IDX; /* n/a */
+       wvalue = (u16)addr;
+       if (read)
+               status = _usbctrl_vendorreq_sync_read(udev, request, wvalue,
+                                                     index, pdata, len);
+       else
+               status = _usbctrl_vendorreq_async_write(udev, request, wvalue,
+                                                       index, pdata, len);
+       return status;
+}
+
+static int _usb_readN_sync(struct rtl_priv *rtlpriv, u32 addr, u16 len,
+                          u8 *pdata)
+{
+       struct device *dev = rtlpriv->io.dev;
+
+       return _usb_nbytes_read_write(to_usb_device(dev), true, addr, len,
+                                      pdata);
+}
+
+static int _usb_writeN_async(struct rtl_priv *rtlpriv, u32 addr, u16 len,
+                            u8 *pdata)
+{
+       struct device *dev = rtlpriv->io.dev;
+
+       return _usb_nbytes_read_write(to_usb_device(dev), false, addr, len,
+                                     pdata);
+}
+
+static void _rtl_usb_io_handler_init(struct device *dev,
+                                    struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       rtlpriv->io.dev = dev;
+       mutex_init(&rtlpriv->io.bb_mutex);
+       rtlpriv->io.write8_async        = _usb_write8_async;
+       rtlpriv->io.write16_async       = _usb_write16_async;
+       rtlpriv->io.write32_async       = _usb_write32_async;
+       rtlpriv->io.writeN_async        = _usb_writeN_async;
+       rtlpriv->io.read8_sync          = _usb_read8_sync;
+       rtlpriv->io.read16_sync         = _usb_read16_sync;
+       rtlpriv->io.read32_sync         = _usb_read32_sync;
+       rtlpriv->io.readN_sync          = _usb_readN_sync;
+}
+
+static void _rtl_usb_io_handler_release(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       mutex_destroy(&rtlpriv->io.bb_mutex);
+}
+
+/**
+ *
+ *     Default aggregation handler. Do nothing and just return the oldest skb.
+ */
+static struct sk_buff *_none_usb_tx_aggregate_hdl(struct ieee80211_hw *hw,
+                                                 struct sk_buff_head *list)
+{
+       return skb_dequeue(list);
+}
+
+#define IS_HIGH_SPEED_USB(udev) \
+               ((USB_SPEED_HIGH == (udev)->speed) ? true : false)
+
+static int _rtl_usb_init_tx(struct ieee80211_hw *hw)
+{
+       u32 i;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+
+       rtlusb->max_bulk_out_size = IS_HIGH_SPEED_USB(rtlusb->udev)
+                                                   ? USB_HIGH_SPEED_BULK_SIZE
+                                                   : USB_FULL_SPEED_BULK_SIZE;
+
+       RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, ("USB Max Bulk-out Size=%d\n",
+                rtlusb->max_bulk_out_size));
+
+       for (i = 0; i < __RTL_TXQ_NUM; i++) {
+               u32 ep_num = rtlusb->ep_map.ep_mapping[i];
+               if (!ep_num) {
+                       RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+                                ("Invalid endpoint map setting!\n"));
+                       return -EINVAL;
+               }
+       }
+
+       rtlusb->usb_tx_post_hdl =
+                rtlpriv->cfg->usb_interface_cfg->usb_tx_post_hdl;
+       rtlusb->usb_tx_cleanup  =
+                rtlpriv->cfg->usb_interface_cfg->usb_tx_cleanup;
+       rtlusb->usb_tx_aggregate_hdl =
+                (rtlpriv->cfg->usb_interface_cfg->usb_tx_aggregate_hdl)
+                ? rtlpriv->cfg->usb_interface_cfg->usb_tx_aggregate_hdl
+                : &_none_usb_tx_aggregate_hdl;
+
+       init_usb_anchor(&rtlusb->tx_submitted);
+       for (i = 0; i < RTL_USB_MAX_EP_NUM; i++) {
+               skb_queue_head_init(&rtlusb->tx_skb_queue[i]);
+               init_usb_anchor(&rtlusb->tx_pending[i]);
+       }
+       return 0;
+}
+
+static int _rtl_usb_init_rx(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
+       struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
+
+       rtlusb->rx_max_size = rtlpriv->cfg->usb_interface_cfg->rx_max_size;
+       rtlusb->rx_urb_num = rtlpriv->cfg->usb_interface_cfg->rx_urb_num;
+       rtlusb->in_ep = rtlpriv->cfg->usb_interface_cfg->in_ep_num;
+       rtlusb->usb_rx_hdl = rtlpriv->cfg->usb_interface_cfg->usb_rx_hdl;
+       rtlusb->usb_rx_segregate_hdl =
+               rtlpriv->cfg->usb_interface_cfg->usb_rx_segregate_hdl;
+
+       printk(KERN_INFO "rtl8192cu: rx_max_size %d, rx_urb_num %d, in_ep %d\n",
+               rtlusb->rx_max_size, rtlusb->rx_urb_num, rtlusb->in_ep);
+       init_usb_anchor(&rtlusb->rx_submitted);
+       return 0;
+}
+
+static int _rtl_usb_init(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
+       struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
+       int err;
+       u8 epidx;
+       struct usb_interface    *usb_intf = rtlusb->intf;
+       u8 epnums = usb_intf->cur_altsetting->desc.bNumEndpoints;
+
+       rtlusb->out_ep_nums = rtlusb->in_ep_nums = 0;
+       for (epidx = 0; epidx < epnums; epidx++) {
+               struct usb_endpoint_descriptor *pep_desc;
+               pep_desc = &usb_intf->cur_altsetting->endpoint[epidx].desc;
+
+               if (usb_endpoint_dir_in(pep_desc))
+                       rtlusb->in_ep_nums++;
+               else if (usb_endpoint_dir_out(pep_desc))
+                       rtlusb->out_ep_nums++;
+
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+                        ("USB EP(0x%02x), MaxPacketSize=%d ,Interval=%d.\n",
+                        pep_desc->bEndpointAddress, pep_desc->wMaxPacketSize,
+                        pep_desc->bInterval));
+       }
+       if (rtlusb->in_ep_nums <  rtlpriv->cfg->usb_interface_cfg->in_ep_num)
+               return -EINVAL ;
+
+       /* usb endpoint mapping */
+       err = rtlpriv->cfg->usb_interface_cfg->usb_endpoint_mapping(hw);
+       rtlusb->usb_mq_to_hwq =  rtlpriv->cfg->usb_interface_cfg->usb_mq_to_hwq;
+       _rtl_usb_init_tx(hw);
+       _rtl_usb_init_rx(hw);
+       return err;
+}
+
+static int _rtl_usb_init_sw(struct ieee80211_hw *hw)
+{
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+       struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+
+       rtlhal->hw = hw;
+       ppsc->b_inactiveps = false;
+       ppsc->b_leisure_ps = false;
+       ppsc->b_fwctrl_lps = false;
+       ppsc->b_reg_fwctrl_lps = 3;
+       ppsc->reg_max_lps_awakeintvl = 5;
+       ppsc->fwctrl_psmode = FW_PS_DTIM_MODE;
+
+        /* IBSS */
+       mac->beacon_interval = 100;
+
+        /* AMPDU */
+       mac->min_space_cfg = 0;
+       mac->max_mss_density = 0;
+
+       /* set sane AMPDU defaults */
+       mac->current_ampdu_density = 7;
+       mac->current_ampdu_factor = 3;
+
+       /* QOS */
+       rtlusb->acm_method = eAcmWay2_SW;
+
+       /* IRQ */
+       /* HIMR - turn all on */
+       rtlusb->irq_mask[0] = 0xFFFFFFFF;
+       /* HIMR_EX - turn all on */
+       rtlusb->irq_mask[1] = 0xFFFFFFFF;
+       rtlusb->disableHWSM =  true;
+       return 0;
+}
+
+#define __RADIO_TAP_SIZE_RSV   32
+
+static void _rtl_rx_completed(struct urb *urb);
+
+static struct sk_buff *_rtl_prep_rx_urb(struct ieee80211_hw *hw,
+                                       struct rtl_usb *rtlusb,
+                                       struct urb *urb,
+                                       gfp_t gfp_mask)
+{
+       struct sk_buff *skb;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+       skb = __dev_alloc_skb((rtlusb->rx_max_size + __RADIO_TAP_SIZE_RSV),
+                              gfp_mask);
+       if (!skb) {
+               RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
+                        ("Failed to __dev_alloc_skb!!\n"))
+               return ERR_PTR(-ENOMEM);
+       }
+
+       /* reserve some space for mac80211's radiotap */
+       skb_reserve(skb, __RADIO_TAP_SIZE_RSV);
+       usb_fill_bulk_urb(urb, rtlusb->udev,
+                         usb_rcvbulkpipe(rtlusb->udev, rtlusb->in_ep),
+                         skb->data, min(skb_tailroom(skb),
+                         (int)rtlusb->rx_max_size),
+                         _rtl_rx_completed, skb);
+
+       _rtl_install_trx_info(rtlusb, skb, rtlusb->in_ep);
+       return skb;
+}
+
+#undef __RADIO_TAP_SIZE_RSV
+
+static void _rtl_usb_rx_process_agg(struct ieee80211_hw *hw,
+                                   struct sk_buff *skb)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 *rxdesc = skb->data;
+       struct ieee80211_hdr *hdr;
+       bool unicast = false;
+       u16 fc;
+       struct ieee80211_rx_status rx_status = {0};
+       struct rtl_stats stats = {
+               .signal = 0,
+               .noise = -98,
+               .rate = 0,
+       };
+
+       skb_pull(skb, RTL_RX_DESC_SIZE);
+       rtlpriv->cfg->ops->query_rx_desc(hw, &stats, &rx_status, rxdesc, skb);
+       skb_pull(skb, (stats.rx_drvinfo_size + stats.rx_bufshift));
+       hdr = (struct ieee80211_hdr *)(skb->data);
+       fc = le16_to_cpu(hdr->frame_control);
+       if (!stats.b_crc) {
+               memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
+
+               if (is_broadcast_ether_addr(hdr->addr1)) {
+                       /*TODO*/;
+               } else if (is_multicast_ether_addr(hdr->addr1)) {
+                       /*TODO*/
+               } else {
+                       unicast = true;
+                       rtlpriv->stats.rxbytesunicast +=  skb->len;
+               }
+
+               rtl_is_special_data(hw, skb, false);
+
+               if (ieee80211_is_data(fc)) {
+                       rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX);
+
+                       if (unicast)
+                               rtlpriv->link_info.num_rx_inperiod++;
+               }
+       }
+}
+
+static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw,
+                                     struct sk_buff *skb)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 *rxdesc = skb->data;
+       struct ieee80211_hdr *hdr;
+       bool unicast = false;
+       u16 fc;
+       struct ieee80211_rx_status rx_status = {0};
+       struct rtl_stats stats = {
+               .signal = 0,
+               .noise = -98,
+               .rate = 0,
+       };
+
+       skb_pull(skb, RTL_RX_DESC_SIZE);
+       rtlpriv->cfg->ops->query_rx_desc(hw, &stats, &rx_status, rxdesc, skb);
+       skb_pull(skb, (stats.rx_drvinfo_size + stats.rx_bufshift));
+       hdr = (struct ieee80211_hdr *)(skb->data);
+       fc = le16_to_cpu(hdr->frame_control);
+       if (!stats.b_crc) {
+               memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
+
+               if (is_broadcast_ether_addr(hdr->addr1)) {
+                       /*TODO*/;
+               } else if (is_multicast_ether_addr(hdr->addr1)) {
+                       /*TODO*/
+               } else {
+                       unicast = true;
+                       rtlpriv->stats.rxbytesunicast +=  skb->len;
+               }
+
+               rtl_is_special_data(hw, skb, false);
+
+               if (ieee80211_is_data(fc)) {
+                       rtlpriv->cfg->ops->led_control(hw, LED_CTL_RX);
+
+                       if (unicast)
+                               rtlpriv->link_info.num_rx_inperiod++;
+               }
+               if (likely(rtl_action_proc(hw, skb, false))) {
+                       struct sk_buff *uskb = NULL;
+                       u8 *pdata;
+
+                       uskb = dev_alloc_skb(skb->len + 128);
+                       memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status,
+                              sizeof(rx_status));
+                       pdata = (u8 *)skb_put(uskb, skb->len);
+                       memcpy(pdata, skb->data, skb->len);
+                       dev_kfree_skb_any(skb);
+                       ieee80211_rx_irqsafe(hw, uskb);
+               } else {
+                       dev_kfree_skb_any(skb);
+               }
+       }
+}
+
+static void _rtl_rx_pre_process(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+       struct sk_buff *_skb;
+       struct sk_buff_head rx_queue;
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+
+       skb_queue_head_init(&rx_queue);
+       if (rtlusb->usb_rx_segregate_hdl)
+               rtlusb->usb_rx_segregate_hdl(hw, skb, &rx_queue);
+       WARN_ON(skb_queue_empty(&rx_queue));
+       while (!skb_queue_empty(&rx_queue)) {
+               _skb = skb_dequeue(&rx_queue);
+               _rtl_usb_rx_process_agg(hw, skb);
+               ieee80211_rx_irqsafe(hw, skb);
+       }
+}
+
+static void _rtl_rx_completed(struct urb *_urb)
+{
+       struct sk_buff *skb = (struct sk_buff *)_urb->context;
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+       struct rtl_usb *rtlusb = (struct rtl_usb *)info->rate_driver_data[0];
+       struct ieee80211_hw *hw = usb_get_intfdata(rtlusb->intf);
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       int err = 0;
+
+       if (unlikely(IS_USB_STOP(rtlusb)))
+               goto free;
+
+       if (likely(0 == _urb->status)) {
+               /* If this code were moved to work queue, would CPU
+                * utilization be improved?  NOTE: We shall allocate another skb
+                * and reuse the original one.
+                */
+               skb_put(skb, _urb->actual_length);
+
+               if (likely(!rtlusb->usb_rx_segregate_hdl)) {
+                       struct sk_buff *_skb;
+                       _rtl_usb_rx_process_noagg(hw, skb);
+                       _skb = _rtl_prep_rx_urb(hw, rtlusb, _urb, GFP_ATOMIC);
+                       if (IS_ERR(_skb)) {
+                               err = PTR_ERR(_skb);
+                               RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
+                                       ("Can't allocate skb for bulk IN!\n"));
+                               return;
+                       }
+                       skb = _skb;
+               } else{
+                       /* TO DO */
+                       _rtl_rx_pre_process(hw, skb);
+                       printk(KERN_ERR "rtlwifi: rx agg not supported\n");
+               }
+               goto resubmit;
+       }
+
+       switch (_urb->status) {
+       /* disconnect */
+       case -ENOENT:
+       case -ECONNRESET:
+       case -ENODEV:
+       case -ESHUTDOWN:
+               goto free;
+       default:
+               break;
+       }
+
+resubmit:
+       skb_reset_tail_pointer(skb);
+       skb_trim(skb, 0);
+
+       usb_anchor_urb(_urb, &rtlusb->rx_submitted);
+       err = usb_submit_urb(_urb, GFP_ATOMIC);
+       if (unlikely(err)) {
+               usb_unanchor_urb(_urb);
+               goto free;
+       }
+       return;
+
+free:
+       dev_kfree_skb_irq(skb);
+}
+
+static int _rtl_usb_receive(struct ieee80211_hw *hw)
+{
+       struct urb *urb;
+       struct sk_buff *skb;
+       int err;
+       int i;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+
+       WARN_ON(0 == rtlusb->rx_urb_num);
+       /* 1600 == 1514 + max WLAN header + rtk info */
+       WARN_ON(rtlusb->rx_max_size < 1600);
+
+       for (i = 0; i < rtlusb->rx_urb_num; i++) {
+               err = -ENOMEM;
+               urb = usb_alloc_urb(0, GFP_KERNEL);
+               if (!urb) {
+                       RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
+                                ("Failed to alloc URB!!\n"))
+                       goto err_out;
+               }
+
+               skb = _rtl_prep_rx_urb(hw, rtlusb, urb, GFP_KERNEL);
+               if (IS_ERR(skb)) {
+                       RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
+                                ("Failed to prep_rx_urb!!\n"))
+                       err = PTR_ERR(skb);
+                       goto err_out;
+               }
+
+               usb_anchor_urb(urb, &rtlusb->rx_submitted);
+               err = usb_submit_urb(urb, GFP_KERNEL);
+               if (err)
+                       goto err_out;
+               usb_free_urb(urb);
+       }
+       return 0;
+
+err_out:
+       usb_kill_anchored_urbs(&rtlusb->rx_submitted);
+       return err;
+}
+
+static int rtl_usb_start(struct ieee80211_hw *hw)
+{
+       int err;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+
+       err = rtlpriv->cfg->ops->hw_init(hw);
+       rtl_init_rx_config(hw);
+
+       /* Enable software */
+       SET_USB_START(rtlusb);
+       /* should after adapter start and interrupt enable. */
+       set_hal_start(rtlhal);
+
+       /* Start bulk IN */
+       _rtl_usb_receive(hw);
+
+       return err;
+}
+/**
+ *
+ *
+ */
+
+/*=======================  tx =========================================*/
+static void rtl_usb_cleanup(struct ieee80211_hw *hw)
+{
+       u32 i;
+       struct sk_buff *_skb;
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+       struct ieee80211_tx_info *txinfo;
+
+       SET_USB_STOP(rtlusb);
+
+       /* clean up rx stuff. */
+       usb_kill_anchored_urbs(&rtlusb->rx_submitted);
+
+       /* clean up tx stuff */
+       for (i = 0; i < RTL_USB_MAX_EP_NUM; i++) {
+               while ((_skb = skb_dequeue(&rtlusb->tx_skb_queue[i]))) {
+                       rtlusb->usb_tx_cleanup(hw, _skb);
+                       txinfo = IEEE80211_SKB_CB(_skb);
+                       ieee80211_tx_info_clear_status(txinfo);
+                       txinfo->flags |= IEEE80211_TX_STAT_ACK;
+                       ieee80211_tx_status_irqsafe(hw, _skb);
+               }
+               usb_kill_anchored_urbs(&rtlusb->tx_pending[i]);
+       }
+       usb_kill_anchored_urbs(&rtlusb->tx_submitted);
+}
+
+/**
+ *
+ * We may add some struct into struct rtl_usb later. Do deinit here.
+ *
+ */
+static void rtl_usb_deinit(struct ieee80211_hw *hw)
+{
+       rtl_usb_cleanup(hw);
+}
+
+static void rtl_usb_stop(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+
+       /* should after adapter start and interrupt enable. */
+       set_hal_stop(rtlhal);
+       /* Enable software */
+       SET_USB_STOP(rtlusb);
+       rtl_usb_deinit(hw);
+       rtlpriv->cfg->ops->hw_disable(hw);
+}
+
+static void _rtl_submit_tx_urb(struct ieee80211_hw *hw, struct urb *_urb)
+{
+       int err;
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+
+       usb_anchor_urb(_urb, &rtlusb->tx_submitted);
+       err = usb_submit_urb(_urb, GFP_ATOMIC);
+       if (err < 0) {
+               struct sk_buff *skb;
+
+               RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
+                        ("Failed to submit urb.\n"));
+               usb_unanchor_urb(_urb);
+               skb = (struct sk_buff *)_urb->context;
+               kfree_skb(skb);
+       }
+       usb_free_urb(_urb);
+}
+
+static int _usb_tx_post(struct ieee80211_hw *hw, struct urb *urb,
+                       struct sk_buff *skb)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+       struct ieee80211_tx_info *txinfo;
+
+       rtlusb->usb_tx_post_hdl(hw, urb, skb);
+       skb_pull(skb, RTL_TX_HEADER_SIZE);
+       txinfo = IEEE80211_SKB_CB(skb);
+       ieee80211_tx_info_clear_status(txinfo);
+       txinfo->flags |= IEEE80211_TX_STAT_ACK;
+
+       if (urb->status) {
+               RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
+                        ("Urb has error status 0x%X\n", urb->status));
+               goto out;
+       }
+       /*  TODO:       statistics */
+out:
+       ieee80211_tx_status_irqsafe(hw, skb);
+       return urb->status;
+}
+
+static void _rtl_tx_complete(struct urb *urb)
+{
+       struct sk_buff *skb = (struct sk_buff *)urb->context;
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+       struct rtl_usb *rtlusb = (struct rtl_usb *)info->rate_driver_data[0];
+       struct ieee80211_hw *hw = usb_get_intfdata(rtlusb->intf);
+       int err;
+
+       if (unlikely(IS_USB_STOP(rtlusb)))
+               return;
+       err = _usb_tx_post(hw, urb, skb);
+       if (err) {
+               /* Ignore error and keep issuiing other urbs */
+               return;
+       }
+}
+
+static struct urb *_rtl_usb_tx_urb_setup(struct ieee80211_hw *hw,
+                               struct sk_buff *skb, u32 ep_num)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+       struct urb *_urb;
+
+       WARN_ON(NULL == skb);
+       _urb = usb_alloc_urb(0, GFP_ATOMIC);
+       if (!_urb) {
+               RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
+                        ("Can't allocate URB for bulk out!\n"));
+               kfree_skb(skb);
+               return NULL;
+       }
+       _rtl_install_trx_info(rtlusb, skb, ep_num);
+       usb_fill_bulk_urb(_urb, rtlusb->udev, usb_sndbulkpipe(rtlusb->udev,
+                         ep_num), skb->data, skb->len, _rtl_tx_complete, skb);
+       _urb->transfer_flags |= URB_ZERO_PACKET;
+       return _urb;
+}
+
+static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb,
+                      enum rtl_txq qnum)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+       u32 ep_num;
+       struct urb *_urb = NULL;
+       struct sk_buff *_skb = NULL;
+       struct sk_buff_head *skb_list;
+       struct usb_anchor *urb_list;
+
+       WARN_ON(NULL == rtlusb->usb_tx_aggregate_hdl);
+       if (unlikely(IS_USB_STOP(rtlusb))) {
+               RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
+                        ("USB device is stopping...\n"));
+               kfree_skb(skb);
+               return;
+       }
+       ep_num = rtlusb->ep_map.ep_mapping[qnum];
+       skb_list = &rtlusb->tx_skb_queue[ep_num];
+       _skb = skb;
+       _urb = _rtl_usb_tx_urb_setup(hw, _skb, ep_num);
+       if (unlikely(!_urb)) {
+               RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                        ("Can't allocate urb. Drop skb!\n"));
+               return;
+       }
+       urb_list = &rtlusb->tx_pending[ep_num];
+       _rtl_submit_tx_urb(hw, _urb);
+}
+
+static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb,
+                           u16 hw_queue)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+       struct rtl_tx_desc *pdesc = NULL;
+       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
+       u16 fc = le16_to_cpu(hdr->frame_control);
+       u8 *pda_addr = hdr->addr1;
+       /* ssn */
+       u8 *qc = NULL;
+       u8 tid = 0;
+       u16 seq_number = 0;
+
+       if (ieee80211_is_mgmt(fc))
+               rtl_tx_mgmt_proc(hw, skb);
+       rtl_action_proc(hw, skb, true);
+       if (is_multicast_ether_addr(pda_addr))
+               rtlpriv->stats.txbytesmulticast += skb->len;
+       else if (is_broadcast_ether_addr(pda_addr))
+               rtlpriv->stats.txbytesbroadcast += skb->len;
+       else
+               rtlpriv->stats.txbytesunicast += skb->len;
+       if (ieee80211_is_data_qos(fc)) {
+               qc = ieee80211_get_qos_ctl(hdr);
+               tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
+               seq_number = (le16_to_cpu(hdr->seq_ctrl) &
+                            IEEE80211_SCTL_SEQ) >> 4;
+               seq_number += 1;
+               seq_number <<= 4;
+       }
+       rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, info, skb,
+                                       hw_queue);
+       if (!ieee80211_has_morefrags(hdr->frame_control)) {
+               if (qc)
+                       mac->tids[tid].seq_number = seq_number;
+       }
+       if (ieee80211_is_data(fc))
+               rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
+}
+
+static int rtl_usb_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+       struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
+       u16 fc = le16_to_cpu(hdr->frame_control);
+       u16 hw_queue;
+
+       if (unlikely(is_hal_stop(rtlhal)))
+               goto err_free;
+       hw_queue = rtlusb->usb_mq_to_hwq(fc, skb_get_queue_mapping(skb));
+       _rtl_usb_tx_preprocess(hw, skb, hw_queue);
+       _rtl_usb_transmit(hw, skb, hw_queue);
+       return NETDEV_TX_OK;
+
+err_free:
+       dev_kfree_skb_any(skb);
+       return NETDEV_TX_OK;
+}
+
+static bool rtl_usb_tx_chk_waitq_insert(struct ieee80211_hw *hw,
+                                       struct sk_buff *skb)
+{
+       return false;
+}
+
+static struct rtl_intf_ops rtl_usb_ops = {
+       .adapter_start = rtl_usb_start,
+       .adapter_stop = rtl_usb_stop,
+       .adapter_tx = rtl_usb_tx,
+       .waitq_insert = rtl_usb_tx_chk_waitq_insert,
+};
+
+int __devinit rtl_usb_probe(struct usb_interface *intf,
+                       const struct usb_device_id *id)
+{
+       int err;
+       struct ieee80211_hw *hw = NULL;
+       struct rtl_priv *rtlpriv = NULL;
+       struct usb_device       *udev;
+       struct rtl_usb_priv *usb_priv;
+
+       hw = ieee80211_alloc_hw(sizeof(struct rtl_priv) +
+                               sizeof(struct rtl_usb_priv), &rtl_ops);
+       if (!hw) {
+               RT_ASSERT(false, ("%s : ieee80211 alloc failed\n", __func__));
+               return -ENOMEM;
+       }
+       rtlpriv = hw->priv;
+       SET_IEEE80211_DEV(hw, &intf->dev);
+       udev = interface_to_usbdev(intf);
+       usb_get_dev(udev);
+       usb_priv = rtl_usbpriv(hw);
+       memset(usb_priv, 0, sizeof(*usb_priv));
+       usb_priv->dev.intf = intf;
+       usb_priv->dev.udev = udev;
+       usb_set_intfdata(intf, hw);
+       /* init cfg & intf_ops */
+       rtlpriv->rtlhal.interface = INTF_USB;
+       rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_info);
+       rtlpriv->intf_ops = &rtl_usb_ops;
+       rtl_dbgp_flag_init(hw);
+       /* Init IO handler */
+       _rtl_usb_io_handler_init(&udev->dev, hw);
+       rtlpriv->cfg->ops->read_chip_version(hw);
+       /*like read eeprom and so on */
+       rtlpriv->cfg->ops->read_eeprom_info(hw);
+       if (rtlpriv->cfg->ops->init_sw_vars(hw)) {
+               RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                        ("Can't init_sw_vars.\n"));
+               goto error_out;
+       }
+       rtlpriv->cfg->ops->init_sw_leds(hw);
+       err = _rtl_usb_init(hw);
+       err = _rtl_usb_init_sw(hw);
+       /* Init mac80211 sw */
+       err = rtl_init_core(hw);
+       if (err) {
+               RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                        ("Can't allocate sw for mac80211.\n"));
+               goto error_out;
+       }
+
+       /*init rfkill */
+       /* rtl_init_rfkill(hw); */
+
+       err = ieee80211_register_hw(hw);
+       if (err) {
+               RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG,
+                        ("Can't register mac80211 hw.\n"));
+               goto error_out;
+       } else {
+               rtlpriv->mac80211.mac80211_registered = 1;
+       }
+       set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
+       return 0;
+error_out:
+       rtl_deinit_core(hw);
+       _rtl_usb_io_handler_release(hw);
+       ieee80211_free_hw(hw);
+       usb_put_dev(udev);
+       return -ENODEV;
+}
+EXPORT_SYMBOL(rtl_usb_probe);
+
+void rtl_usb_disconnect(struct usb_interface *intf)
+{
+       struct ieee80211_hw *hw = usb_get_intfdata(intf);
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
+       struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
+
+       if (unlikely(!rtlpriv))
+               return;
+       /*ieee80211_unregister_hw will call ops_stop */
+       if (rtlmac->mac80211_registered == 1) {
+               ieee80211_unregister_hw(hw);
+               rtlmac->mac80211_registered = 0;
+       } else {
+               rtl_deinit_deferred_work(hw);
+               rtlpriv->intf_ops->adapter_stop(hw);
+       }
+       /*deinit rfkill */
+       /* rtl_deinit_rfkill(hw); */
+       rtl_usb_deinit(hw);
+       rtl_deinit_core(hw);
+       rtlpriv->cfg->ops->deinit_sw_leds(hw);
+       rtlpriv->cfg->ops->deinit_sw_vars(hw);
+       _rtl_usb_io_handler_release(hw);
+       usb_put_dev(rtlusb->udev);
+       usb_set_intfdata(intf, NULL);
+       ieee80211_free_hw(hw);
+}
+EXPORT_SYMBOL(rtl_usb_disconnect);
+
+int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message)
+{
+       return 0;
+}
+EXPORT_SYMBOL(rtl_usb_suspend);
+
+int rtl_usb_resume(struct usb_interface *pusb_intf)
+{
+       return 0;
+}
+EXPORT_SYMBOL(rtl_usb_resume);
diff --git a/drivers/net/wireless/rtlwifi/usb.h b/drivers/net/wireless/rtlwifi/usb.h
new file mode 100644 (file)
index 0000000..c833116
--- /dev/null
@@ -0,0 +1,164 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2011  Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ *****************************************************************************/
+
+#ifndef __RTL_USB_H__
+#define __RTL_USB_H__
+
+#include <linux/usb.h>
+#include <linux/skbuff.h>
+
+#define RTL_USB_DEVICE(vend, prod, cfg) \
+       .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
+       .idVendor = (vend), \
+       .idProduct = (prod), \
+       .driver_info = (kernel_ulong_t)&(cfg)
+
+#define USB_HIGH_SPEED_BULK_SIZE       512
+#define USB_FULL_SPEED_BULK_SIZE       64
+
+
+#define RTL_USB_MAX_TXQ_NUM            4               /* max tx queue */
+#define RTL_USB_MAX_EP_NUM             6               /* max ep number */
+#define RTL_USB_MAX_TX_URBS_NUM                8
+
+enum rtl_txq {
+       /* These definitions shall be consistent with value
+        * returned by skb_get_queue_mapping
+        *------------------------------------*/
+       RTL_TXQ_BK,
+       RTL_TXQ_BE,
+       RTL_TXQ_VI,
+       RTL_TXQ_VO,
+       /*------------------------------------*/
+       RTL_TXQ_BCN,
+       RTL_TXQ_MGT,
+       RTL_TXQ_HI,
+
+       /* Must be last */
+       __RTL_TXQ_NUM,
+};
+
+struct rtl_ep_map {
+       u32 ep_mapping[__RTL_TXQ_NUM];
+};
+
+struct _trx_info {
+       struct rtl_usb *rtlusb;
+       u32 ep_num;
+};
+
+static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
+                                        struct sk_buff *skb,
+                                        u32 ep_num)
+{
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+       info->rate_driver_data[0] = rtlusb;
+       info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
+}
+
+
+/*  Add suspend/resume later */
+enum rtl_usb_state {
+       USB_STATE_STOP  = 0,
+       USB_STATE_START = 1,
+};
+
+#define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
+#define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
+#define SET_USB_STOP(rtlusb_ptr) \
+       do {                                                    \
+               (rtlusb_ptr)->state = USB_STATE_STOP;           \
+       } while (0)
+
+#define SET_USB_START(rtlusb_ptr)                              \
+       do { \
+               (rtlusb_ptr)->state = USB_STATE_START;          \
+       } while (0)
+
+struct rtl_usb {
+       struct usb_device *udev;
+       struct usb_interface *intf;
+       enum rtl_usb_state state;
+
+       /* Bcn control register setting */
+       u32 reg_bcn_ctrl_val;
+       /* for 88/92cu card disable */
+       u8      disableHWSM;
+       /*QOS & EDCA */
+       enum acm_method acm_method;
+       /* irq  . HIMR,HIMR_EX */
+       u32 irq_mask[2];
+       bool irq_enabled;
+
+       u16 (*usb_mq_to_hwq)(u16 fc, u16 mac80211_queue_index);
+
+       /* Tx */
+       u8 out_ep_nums ;
+       u8 out_queue_sel;
+       struct rtl_ep_map ep_map;
+
+       u32 max_bulk_out_size;
+       u32 tx_submitted_urbs;
+       struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
+
+       struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
+       struct usb_anchor tx_submitted;
+
+       struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
+                                               struct sk_buff_head *);
+       int (*usb_tx_post_hdl)(struct ieee80211_hw *,
+                              struct urb *, struct sk_buff *);
+       void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
+
+       /* Rx */
+       u8 in_ep_nums ;
+       u32 in_ep;              /* Bulk IN endpoint number */
+       u32 rx_max_size;        /* Bulk IN max buffer size */
+       u32 rx_urb_num;         /* How many Bulk INs are submitted to host. */
+       struct usb_anchor       rx_submitted;
+       void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
+                                    struct sk_buff_head *);
+       void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);
+};
+
+struct rtl_usb_priv {
+       struct rtl_usb dev;
+       struct rtl_led_ctl ledctl;
+};
+
+#define rtl_usbpriv(hw)         (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
+#define rtl_usbdev(usbpriv)    (&((usbpriv)->dev))
+
+
+
+int __devinit rtl_usb_probe(struct usb_interface *intf,
+                           const struct usb_device_id *id);
+void rtl_usb_disconnect(struct usb_interface *intf);
+int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message);
+int rtl_usb_resume(struct usb_interface *pusb_intf);
+
+#endif