USB

added rtl8150 usb ethernet driver

drivers/usb/Config.help

@@ -332,7 +332,7 @@ CONFIG_USB_PEGASUS
   If in doubt then look at linux/drivers/usb/pegasus.h for the complete
   list of supported devices.
   If your particular adapter is not in the list and you are _sure_ it
-  is Pegasus or Pegasus II based then send me (pmanolov@users.sourceforge.net)
+  is Pegasus or Pegasus II based then send me (petkan@users.sourceforge.net)
   vendor and device IDs.
 
   This code is also available as a module ( = code which can be
@@ -340,6 +340,16 @@ CONFIG_USB_PEGASUS
   The module will be called pegasus.o. If you want to compile it as a
   module, say M here and read <file:Documentation/modules.txt>.
 
+CONFIG_USB_RTL8150
+  Say Y here if you have RTL8150 based usb-ethernet adapter.
+  Send me (petkan@users.sourceforge.net) any comments you may have.
+  You can also check for updates at http://pegasus2.sourceforge.net/
+
+  This code is also available as a module ( = code which can be
+  inserted in and removed from the running kernel whenever you want).
+  The module will be called rtl8150.o. If you want to compile it as a
+  module, say M here and read <file:Documentation/modules.txt>.
+
 CONFIG_USB_KAWETH
   Say Y here if you want to use one of the following 10Mbps only
   USB Ethernet adapters based on the KLSI KL5KUSB101B chipset:

drivers/usb/Config.in

@@ -88,6 +88,7 @@ if [ "$CONFIG_USB" = "y" -o  "$CONFIG_USB" = "m" ]; then
       comment '  Networking support is needed for USB Networking device support'
    else
       dep_tristate '  USB Pegasus/Pegasus-II based ethernet device support (EXPERIMENTAL)' CONFIG_USB_PEGASUS $CONFIG_USB $CONFIG_NET $CONFIG_EXPERIMENTAL
+      dep_tristate '  USB RTL8150 based ethernet device support (EXPERIMENTAL)' CONFIG_USB_RTL8150 $CONFIG_USB $CONFIG_NET $CONFIG_EXPERIMENTAL
       dep_tristate '  USB KLSI KL5USB101-based ethernet device support (EXPERIMENTAL)' CONFIG_USB_KAWETH $CONFIG_USB $CONFIG_NET $CONFIG_EXPERIMENTAL
       dep_tristate '  USB CATC NetMate-based Ethernet device support (EXPERIMENTAL)' CONFIG_USB_CATC $CONFIG_USB $CONFIG_NET $CONFIG_EXPERIMENTAL
       dep_tristate '  USB Communication Class Ethernet device support (EXPERIMENTAL)' CONFIG_USB_CDCETHER $CONFIG_USB $CONFIG_NET $CONFIG_EXPERIMENTAL

drivers/usb/Makefile

@@ -76,6 +76,7 @@ obj-$(CONFIG_USB_OV511)		+= ov511.o
 obj-$(CONFIG_USB_SE401)		+= se401.o
 obj-$(CONFIG_USB_STV680)	+= stv680.o
 obj-$(CONFIG_USB_PEGASUS)	+= pegasus.o
+obj-$(CONFIG_USB_RTL8150)	+= rtl8150.o
 obj-$(CONFIG_USB_CATC)		+= catc.o
 obj-$(CONFIG_USB_KAWETH)        += kaweth.o
 obj-$(CONFIG_USB_CDCETHER)	+= CDCEther.o

drivers/usb/rtl8150.c

+/*
+ * Copyright (c) 2002 Petko Manolov (petkan@users.sourceforge.net)
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License as
+ *	published by the Free Software Foundation; either version 2 of
+ *	the License, or (at your option) any later version.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/sched.h>
+#include <linux/signal.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/devfs_fs_kernel.h>
+#include <linux/usb.h>
+#include <asm/uaccess.h>
+
+
+
+/* Version Information */
+#define DRIVER_VERSION "v0.0.1"
+#define DRIVER_AUTHOR "Petko Manolov <petkan@users.sourceforge.net>"
+#define DRIVER_DESC "rtl8150 based usb-ethernet driver"
+
+
+#define	IRD			0x0120
+#define	MAR			0x0126
+#define	CR			0x012e
+#define	TCR			0x012f
+#define	RCR			0x0130
+#define	TSR			0x0132
+#define	RSR			0x0133
+#define	CON0			0x0135
+#define	CON1			0x0136
+#define	MSR			0x0137
+#define	PHYADD			0x0138
+#define	PHYDAT			0x0139
+#define	PHYCNT			0x013b
+#define	GPPC			0x013d
+#define	BMCR			0x0140
+#define	BMSR			0x0142
+#define	ANAR			0x0144
+#define	ANLP			0x0146
+#define	AER			0x0148
+
+#define	PHY_READ		0
+#define	PHY_WRITE		0x20
+#define	PHY_GO			0x40
+
+#define	RTL8150_REQT_READ	0xc0
+#define	RTL8150_REQT_WRITE	0x40
+#define	RTL8150_REQ_GET_REGS	0x05
+#define	RTL8150_REQ_SET_REGS	0x05
+
+#define	RTL8150_MTU		1500
+#define	RTL8150_MAX_MTU		1500
+
+#define	RTL8150_TX_TIMEOUT	(HZ)
+
+/* rtl8150 flags */
+#define	RTL8150_FLAG_HWCRC	0
+#define	RX_REG_SET		1
+
+
+/* Define these values to match your device */
+#define VENDOR_ID_REALTEK		0x0bda
+#define PRODUCT_ID_RTL8150		0x8150
+
+/* table of devices that work with this driver */
+static struct usb_device_id rtl8150_table [] = {
+	{ USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8150) },
+	{ }				
+};
+
+MODULE_DEVICE_TABLE (usb, rtl8150_table);
+
+
+struct rtl8150 {
+	unsigned int		flags;
+	struct usb_device	*udev;
+	struct usb_interface	*interface;
+	struct semaphore	sem;
+	struct net_device_stats	stats;
+	struct net_device	*netdev;
+	struct urb		*rx_urb, *tx_urb, *intr_urb, *ctrl_urb;
+	struct usb_ctrlrequest	dr;
+	int			intr_interval;
+	u16			rx_creg;
+	u8			rx_buff[RTL8150_MAX_MTU];
+	u8			tx_buff[RTL8150_MAX_MTU];
+	u8			intr_buff[8];
+	u8			phy;
+};
+
+typedef	struct rtl8150	rtl8150_t;
+
+
+/* the global usb devfs handle */
+extern devfs_handle_t usb_devfs_handle;
+unsigned long multicast_filter_limit = 32;
+
+
+static void rtl8150_disconnect(struct usb_device *dev, void *ptr);
+static void * rtl8150_probe(struct usb_device *dev, unsigned int ifnum,
+			    const struct usb_device_id *id);
+
+
+static struct usb_driver rtl8150_driver = {
+	name:		"rtl8150",
+	probe:		rtl8150_probe,
+	disconnect:	rtl8150_disconnect,
+	id_table:	rtl8150_table,
+};
+
+
+
+/*
+**
+**	device related part of the code
+**
+*/
+static int get_registers(rtl8150_t *dev, u16 indx, u16 size, void *data)
+{
+	return usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev,0),
+				RTL8150_REQ_GET_REGS, RTL8150_REQT_READ,
+				indx, 0, data, size, HZ/2);
+}
+
+
+static int set_registers(rtl8150_t *dev, u16 indx, u16 size, void *data)
+{
+	return usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev,0),
+				RTL8150_REQ_SET_REGS, RTL8150_REQT_WRITE,
+				indx, 0, data, size, HZ/2);
+}
+
+
+static void ctrl_callback(struct urb *urb)
+{
+	rtl8150_t	*dev;
+	
+	switch (urb->status) {
+	case 0:
+		info("async set regs OK");
+		break;
+	case -EINPROGRESS:
+		warn("in progress");
+		break;
+	case -ENOENT:
+		warn("no entry");
+		break;
+	default:
+		warn("ctrl urb status %d", urb->status);
+	}
+	dev = urb->context;
+	clear_bit(RX_REG_SET, &dev->flags);
+}
+
+
+static int async_set_registers(rtl8150_t *dev, u16 indx, u16 size, void *data)
+{
+	int	ret;
+
+	if (test_bit(RX_REG_SET, &dev->flags)) {
+		warn("async registers change in progress");
+		return -EAGAIN;
+	}
+	
+	dev->dr.bRequestType = RTL8150_REQT_WRITE;
+	dev->dr.bRequest = RTL8150_REQ_SET_REGS;
+	dev->dr.wValue = cpu_to_le16(indx);
+	dev->dr.wIndex = 0;
+	dev->dr.wLength = cpu_to_le16(size);
+	dev->ctrl_urb->transfer_buffer_length = size;
+	FILL_CONTROL_URB(dev->ctrl_urb, dev->udev, usb_sndctrlpipe(dev->udev,0),
+	                 (char*)&dev->dr, &dev->rx_creg, size,
+	                 ctrl_callback, dev);
+	if ((ret = usb_submit_urb(dev->ctrl_urb, GFP_ATOMIC)))
+		err("control request submission failed: %d", ret);
+	else
+		set_bit(RX_REG_SET, &dev->flags);
+
+	return ret;
+}
+
+
+static int read_mii_word(rtl8150_t *dev, u8 phy, __u8 indx, u16 *reg)
+{
+	int	i;
+	u8	data[3], tmp;
+
+	data[0] = phy;
+	data[1] = data[2] = 0;
+	tmp = indx | PHY_READ | PHY_GO;
+	i = 0;
+
+	set_registers(dev, PHYADD, sizeof(data), data);
+	set_registers(dev, PHYCNT, 1, &tmp);
+	do {
+		get_registers(dev, PHYCNT, 1, data);
+	} while ((data[0] & PHY_GO) && (i++ < HZ));
+
+	if (i < HZ) {
+		get_registers(dev, PHYDAT, 2, data);
+		*reg = le16_to_cpup(data);
+		return 0;
+	} else
+		return 1;
+}
+
+
+static int write_mii_word(rtl8150_t *dev, u8 phy, __u8 indx, u16 reg)
+{
+	int	i;
+	u8	data[3], tmp;
+
+	data[0] = phy;
+	*(data + 1) = cpu_to_le16p(&reg);
+	tmp = indx | PHY_WRITE | PHY_GO;
+	i = 0;
+
+	set_registers(dev, PHYADD, sizeof(data), data);
+	set_registers(dev, PHYCNT, 1, &tmp);
+	do {
+		get_registers(dev, PHYCNT, 1, data);
+	} while((data[0] & PHY_GO) && (i++ < HZ));
+
+	if (i < HZ)
+		return 0;
+	else
+		return 1;
+}
+
+
+static inline void set_ethernet_addr(rtl8150_t *dev)
+{
+	u8	node_id[6];
+
+	get_registers(dev, IRD, sizeof(node_id), node_id);
+	memcpy(dev->netdev->dev_addr, node_id, sizeof(node_id));
+	info("ethID->%02x:%02x:%02x:%02x:%02x:%02x", node_id[0], node_id[1],
+	     node_id[2], node_id[3], node_id[4], node_id[5]);
+}
+
+
+static int rtl8150_reset(rtl8150_t *dev)
+{
+	u8	data=0x10;
+	int	i=HZ;
+
+	set_registers(dev, CR, 1, &data);
+	do {
+		get_registers(dev, CR, 1, &data);
+	} while ((data & 0x10) && --i);
+	
+	return (i > 0) ? 0 : -1;
+}
+
+
+static int alloc_all_urbs(rtl8150_t *dev)
+{
+	dev->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!dev->rx_urb)
+		return 0;
+	dev->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!dev->tx_urb) {
+		usb_free_urb(dev->rx_urb);
+		return 0;
+	}
+	dev->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!dev->intr_urb) {
+		usb_free_urb(dev->rx_urb);
+		usb_free_urb(dev->tx_urb);
+		return 0;
+	}
+	dev->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!dev->intr_urb) {
+		usb_free_urb(dev->rx_urb);
+		usb_free_urb(dev->tx_urb);
+		usb_free_urb(dev->intr_urb);
+		return 0;
+	}
+
+	return 1;
+}
+
+
+static void free_all_urbs(rtl8150_t *dev)
+{
+	usb_free_urb(dev->rx_urb);
+	usb_free_urb(dev->tx_urb);
+	usb_free_urb(dev->intr_urb);
+	usb_free_urb(dev->ctrl_urb);
+}
+
+
+static void unlink_all_urbs(rtl8150_t *dev)
+{
+	usb_unlink_urb(dev->rx_urb);
+	usb_unlink_urb(dev->tx_urb);
+	usb_unlink_urb(dev->intr_urb);
+	usb_unlink_urb(dev->ctrl_urb);
+}
+
+
+static void read_bulk_callback(struct urb *urb)
+{
+	rtl8150_t	*dev;
+	int		pkt_len, res;
+	struct sk_buff	*skb;
+	struct net_device *netdev;
+
+	dev = urb->context;
+	if (!dev) {
+		warn("!dev");
+		return;
+	}
+	netdev = dev->netdev;
+	if (!netif_device_present(netdev)) {
+		warn("netdev is not present");
+		return;
+	}
+	switch (urb->status) {
+	case 0:
+		break;
+	case -ENOENT:
+		warn("-ENOENT");
+		return;
+	case -ETIMEDOUT:
+		warn("reset needed may be?..");
+		break;
+	default:
+		warn("Rx status %d", urb->status);
+		goto goon;
+	}
+	
+	pkt_len = urb->actual_length - 4;
+
+	if (pkt_len < 60) {
+		warn("Rx short packet %d", pkt_len);
+		goto goon;
+	}
+#if 0
+	if (pkt_len <= 80) {
+		int     i;
+		info("%s: Rx pkt_len %d", netdev->name, pkt_len);
+		for (i=0; i<(pkt_len + 4); i++) {
+			printk("%02x ", *(u8 *)(dev->rx_buff+i));
+		}
+		printk("\b ..done\n");
+		memset(dev->rx_buff, 0, pkt_len);
+	}
+#endif
+	if (!(skb = dev_alloc_skb(pkt_len + 2))) 
+		goto goon;
+	skb->dev = netdev;
+	skb_reserve(skb, 2);
+	eth_copy_and_sum(skb, dev->rx_buff, pkt_len, 0);
+	skb_put(skb, pkt_len);
+	skb->protocol = eth_type_trans(skb, netdev);
+	netif_rx(skb);
+	dev->stats.rx_packets++;
+	dev->stats.rx_bytes += pkt_len;
+goon:
+	FILL_BULK_URB(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev,1),
+	              dev->rx_buff, RTL8150_MAX_MTU, read_bulk_callback, dev);
+	if ((res=usb_submit_urb(dev->rx_urb, GFP_ATOMIC)))
+		warn("%s: Rx urb submission failed %d", netdev->name, res);
+}
+
+
+static void write_bulk_callback(struct urb *urb)
+{
+	rtl8150_t	*dev;
+
+	dev = urb->context;
+	if (!dev)
+		return;
+	if (!netif_device_present(dev->netdev))
+		return;
+	if (urb->status)
+		info("%s: Tx status %d", dev->netdev->name, urb->status);
+	dev->netdev->trans_start = jiffies;
+	netif_wake_queue(dev->netdev);
+}
+
+
+void intr_callback(struct urb *urb)
+{
+	rtl8150_t	*dev;
+	struct net_device *netdev;
+	u8		*d;
+
+	dev = urb->context;
+	if (!dev)
+		return;
+	switch (urb->status) {
+		case 0:
+			break;
+		case -ENOENT:
+			return;
+		default:
+			info("%s: intr status %d", dev->netdev->name,
+			     urb->status);
+	}
+	d = urb->transfer_buffer;
+	netdev = dev->netdev;
+	/* info("%s: Tx errs %02x:%02x:%02x:%02x", dev->netdev->name,
+	     d[0], d[1], d[2], d[3]); */
+}
+
+
+
+
+/*
+**
+**	network related part of the code
+**
+*/
+
+
+static int enable_net_traffic(rtl8150_t *dev)
+{
+	u8	cr, tcr, rcr, msr;
+
+	if (rtl8150_reset(dev)) {
+		warn("%s - device reset failed", __FUNCTION__);
+	}
+	dev->rx_creg = rcr = 0x9e;	/* bit7=1 attach Rx info at the end */
+	tcr = 0xd8;
+	cr = 0x0c;
+	set_registers(dev, RCR, 1, &rcr);
+	set_registers(dev, TCR, 1, &tcr);
+	set_registers(dev, CR, 1, &cr);
+	get_registers(dev, MSR, 1, &msr);
+	info("MSR = %02x", msr);
+
+	return 0;
+}
+
+
+static void disable_net_traffic(rtl8150_t *dev)
+{
+	u8	cr;
+
+	get_registers(dev, CR, 1, &cr);
+	cr &= 0xf3;
+	set_registers(dev, CR, 1, &cr);
+}
+
+
+static struct net_device_stats *rtl8150_netdev_stats(struct net_device *dev)
+{
+	return &((rtl8150_t *)dev->priv)->stats;
+}
+
+
+static void rtl8150_tx_timeout(struct net_device *netdev)
+{
+	rtl8150_t	*dev;
+
+	dev = netdev->priv;
+	if (!dev)
+		return;
+	warn("%s: tx timeout.", netdev->name);
+	dev->tx_urb->transfer_flags |= USB_ASYNC_UNLINK;
+	usb_unlink_urb(dev->tx_urb);
+	dev->stats.tx_errors++;
+}
+
+
+static void rtl8150_set_multicast(struct net_device *netdev)
+{
+	rtl8150_t	*dev;
+
+	dev = netdev->priv;
+	netif_stop_queue(netdev);
+	if (netdev->flags & IFF_PROMISC) {
+		dev->rx_creg |= 0x0001;
+		info("%s: promiscuous mode", netdev->name);
+	} else if ((netdev->mc_count > multicast_filter_limit) ||
+	           (netdev->flags & IFF_ALLMULTI)) {
+		dev->rx_creg &= 0xfffe;
+		dev->rx_creg |= 0x0002;
+		info("%s: allmulti set", netdev->name);
+	} else {
+		/* ~RX_MULTICAST, ~RX_PROMISCUOUS */
+		dev->rx_creg &= 0x00fc;
+	}
+	async_set_registers(dev, RCR, 2, &dev->rx_creg);
+	netif_wake_queue(netdev);
+}
+
+
+static int rtl8150_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+{
+	rtl8150_t	*dev;
+	int		count, res;
+
+	netif_stop_queue(netdev);
+	dev = netdev->priv;
+	count = (skb->len & 0x3f) ? skb->len : skb->len+1;
+	memcpy(dev->tx_buff, skb->data, skb->len);
+	FILL_BULK_URB(dev->tx_urb, dev->udev, usb_sndbulkpipe(dev->udev,2),
+		      dev->tx_buff, RTL8150_MAX_MTU, write_bulk_callback, dev);
+	dev->tx_urb->transfer_buffer_length = count;
+
+	if ((res = usb_submit_urb(dev->tx_urb, GFP_KERNEL))) {
+		warn("failed tx_urb %d\n", res);
+		dev->stats.tx_errors++;
+		netif_start_queue(netdev);
+	} else {
+		dev->stats.tx_packets++;
+		dev->stats.tx_bytes += skb->len;
+		netdev->trans_start = jiffies;
+	}
+	dev_kfree_skb(skb);
+
+	return 0;
+}
+
+
+static int rtl8150_open(struct net_device *netdev)
+{
+	rtl8150_t	*dev;
+	int		res;
+	
+	dbg(__FUNCTION__);
+
+	dev = netdev->priv;
+	if (dev == NULL) {
+		return -ENODEV;
+	}
+
+	{
+		unsigned char	mar[8];
+		get_registers(dev, MAR, sizeof(mar), mar);
+		printk("%x:%x:%x:%x:%x:%x:%x:%x\n", mar[0], mar[1], mar[2],
+		       mar[3], mar[4], mar[5], mar[6], mar[7]);
+	}
+
+	FILL_BULK_URB(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev,1),
+			dev->rx_buff, RTL8150_MAX_MTU, read_bulk_callback, dev);
+	if ((res=usb_submit_urb(dev->rx_urb, GFP_KERNEL)))
+		warn("%s: rx_urb submit failed: %d", __FUNCTION__, res);
+#if 0
+	FILL_INT_URB(dev->intr_urb, dev->udev, usb_rcvintpipe(dev->udev,3),
+			dev->intr_buff, sizeof(dev->intr_buff), intr_callback,
+			dev, dev->intr_interval);
+	if ((res=usb_submit_urb(dev->intr_urb, GFP_KERNEL)))
+		warn("%s: intr_urb submit failed: %d", __FUNCTION__, res);
+#endif
+	netif_start_queue(netdev);
+	enable_net_traffic(dev);
+
+	return res;
+}
+
+
+static int rtl8150_close(struct net_device *netdev)
+{
+	rtl8150_t *dev;
+	int res = 0;
+
+	dev = netdev->priv;
+	if (!dev)
+		return -ENODEV;
+
+	disable_net_traffic(dev);
+	unlink_all_urbs(dev);
+	netif_stop_queue(netdev);
+
+
+	return res;
+}
+
+
+static int rtl8150_ethtool_ioctl(struct net_device *netdev, void *uaddr)
+{
+	rtl8150_t	*dev;
+	int		cmd;
+	char		tmp[128];
+
+	dev = netdev->priv;
+	if (get_user(cmd, (int *)uaddr))
+		return -EFAULT;
+
+	switch (cmd) {
+	case ETHTOOL_GDRVINFO: {
+		struct ethtool_drvinfo info = {ETHTOOL_GDRVINFO};
+		
+		strncpy(info.driver, DRIVER_DESC, ETHTOOL_BUSINFO_LEN);
+		strncpy(info.version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN);
+		sprintf(tmp, "usb%d:%d", dev->udev->bus->busnum,
+		        dev->udev->devnum);
+		strncpy(info.bus_info, tmp, ETHTOOL_BUSINFO_LEN);
+		if (copy_to_user(uaddr, &info, sizeof(info)))
+			return -EFAULT;
+		return 0;
+	}
+	case ETHTOOL_GSET: {
+		struct ethtool_cmd ecmd;
+		short   lpa, bmcr;
+
+		if (copy_from_user(&ecmd, uaddr, sizeof(ecmd)))
+			return -EFAULT;
+		ecmd.supported = (SUPPORTED_10baseT_Half |
+		                  SUPPORTED_10baseT_Full |
+		                  SUPPORTED_100baseT_Half |
+		                  SUPPORTED_100baseT_Full |
+		                  SUPPORTED_Autoneg |
+		                  SUPPORTED_TP |
+		                  SUPPORTED_MII);
+		ecmd.port = PORT_TP;
+		ecmd.transceiver = XCVR_INTERNAL;
+		ecmd.phy_address = dev->phy;
+		get_registers(dev, BMCR, 2, &bmcr);
+		get_registers(dev, ANLP, 2, &lpa);
+		if (bmcr & BMCR_ANENABLE) {
+			ecmd.autoneg = AUTONEG_ENABLE;
+			ecmd.speed = (lpa & (LPA_100HALF | LPA_100FULL)) ?
+			             SPEED_100 : SPEED_10;
+			if (ecmd.speed == SPEED_100)
+				ecmd.duplex = (lpa & LPA_100FULL) ?
+				              DUPLEX_FULL : DUPLEX_HALF;
+			else
+				ecmd.duplex = (lpa & LPA_10FULL) ?
+				              DUPLEX_FULL : DUPLEX_HALF;
+		} else {
+			ecmd.autoneg = AUTONEG_DISABLE;
+			ecmd.speed = (bmcr & BMCR_SPEED100) ?
+			             SPEED_100 : SPEED_10;
+			ecmd.duplex = (bmcr & BMCR_FULLDPLX) ?
+			              DUPLEX_FULL : DUPLEX_HALF;
+		}
+		if (copy_to_user(uaddr, &ecmd, sizeof(ecmd)))
+			return -EFAULT;
+		return 0;
+	}
+	case ETHTOOL_SSET:
+		return -ENOTSUPP;
+	case ETHTOOL_GLINK: {
+		struct ethtool_value edata = {ETHTOOL_GLINK};
+
+		edata.data = netif_carrier_ok(netdev);
+		if (copy_to_user(uaddr, &edata, sizeof(edata)))
+			return -EFAULT;
+		return 0;
+	}
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+
+static int rtl8150_ioctl (struct net_device *netdev, struct ifreq *rq, int cmd)
+{
+	rtl8150_t *dev;
+	u16	*data;
+
+	dev = netdev->priv;
+	data = (u16 *)&rq->ifr_data;
+
+	switch (cmd) {
+	case SIOCETHTOOL:
+		return	rtl8150_ethtool_ioctl(netdev, rq->ifr_data);
+	case SIOCDEVPRIVATE:
+		data[0] = dev->phy;
+	case SIOCDEVPRIVATE+1:
+		read_mii_word(dev, dev->phy, (data[1] & 0x1f), &data[3]);
+		return 0;
+	case SIOCDEVPRIVATE+2:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		write_mii_word(dev, dev->phy, (data[1] & 0x1f), data[2]);
+		return 0;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+
+static void * rtl8150_probe(struct usb_device *udev, unsigned int ifnum,
+			    const struct usb_device_id *id)
+{
+	rtl8150_t *dev;
+	struct net_device *netdev;
+
+	udev->config[0].bConfigurationValue = 1;
+	if (usb_set_configuration(udev, udev->config[0].bConfigurationValue)) {
+		err("usb_set_configuration() failed");
+		return NULL;
+	}
+	if ((udev->descriptor.idVendor != VENDOR_ID_REALTEK) ||
+	    (udev->descriptor.idProduct != PRODUCT_ID_RTL8150)) {
+	    	err("Not the one we are interested about");
+		return NULL;
+	}
+
+	dev = kmalloc(sizeof(rtl8150_t), GFP_KERNEL);
+	if (!dev) {
+		err ("Out of memory");
+		return NULL;
+	} else
+		memset(dev, 0, sizeof(rtl8150_t));
+
+	netdev = init_etherdev(NULL, 0);
+	if (!netdev) {
+		kfree(dev);
+		err("Oh boy, out of memory again?!?");
+		return NULL;
+	}
+		
+	init_MUTEX(&dev->sem);
+	dev->udev = udev;
+	dev->netdev = netdev;
+	SET_MODULE_OWNER(netdev);
+	netdev->priv = dev;
+	netdev->open = rtl8150_open;
+	netdev->stop = rtl8150_close;
+	netdev->do_ioctl = rtl8150_ioctl;
+	netdev->watchdog_timeo = RTL8150_TX_TIMEOUT;
+	netdev->tx_timeout = rtl8150_tx_timeout;
+	netdev->hard_start_xmit = rtl8150_start_xmit;
+	netdev->set_multicast_list = rtl8150_set_multicast;
+	netdev->get_stats = rtl8150_netdev_stats;
+	netdev->mtu = RTL8150_MTU;
+	dev->intr_interval = 100;	/* 100ms */
+
+	if (rtl8150_reset(dev) || !alloc_all_urbs(dev)) {
+		err("couldn't reset the device");
+		free_all_urbs(dev);
+		unregister_netdev(dev->netdev);
+		kfree(netdev);
+		kfree(dev);
+		return NULL;
+	}
+
+	set_ethernet_addr(dev);
+
+	info("%s: the rtl8150 is detected", netdev->name);
+	info("compiled %s %s\n", __DATE__, __TIME__);
+
+	return dev;
+}
+
+
+static void rtl8150_disconnect(struct usb_device *udev, void *ptr)
+{
+	rtl8150_t *dev;
+
+	dev = ptr;
+	unregister_netdev(dev->netdev);
+	unlink_all_urbs(dev);
+	free_all_urbs(dev);
+	kfree(dev->netdev);
+	kfree(dev);
+	dev->netdev = NULL;
+	dev = NULL;
+}
+
+
+
+static int __init usb_rtl8150_init(void)
+{
+	info(DRIVER_DESC " " DRIVER_VERSION);
+	return usb_register(&rtl8150_driver);
+}
+
+
+static void __exit usb_rtl8150_exit(void)
+{
+	usb_deregister(&rtl8150_driver);
+}
+
+
+module_init(usb_rtl8150_init);
+module_exit(usb_rtl8150_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");