1 files changed, 963 insertions, 0 deletions

diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c
new file mode 100644
index 00000000000..86e90c59d55
--- /dev/null
+++ b/drivers/net/usb/catc.c
@@ -0,0 +1,963 @@
+/*
+ *  Copyright (c) 2001 Vojtech Pavlik
+ *
+ *  CATC EL1210A NetMate USB Ethernet driver
+ *
+ *  Sponsored by SuSE
+ *
+ *  Based on the work of
+ *		Donald Becker
+ * 
+ *  Old chipset support added by Simon Evans <spse@secret.org.uk> 2002
+ *    - adds support for Belkin F5U011
+ */
+
+/*
+ * 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.
+ * 
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * 
+ * Should you need to contact me, the author, you can do so either by
+ * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
+ * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/ethtool.h>
+#include <linux/crc32.h>
+#include <linux/bitops.h>
+#include <asm/uaccess.h>
+
+#undef DEBUG
+
+#include <linux/usb.h>
+
+/*
+ * Version information.
+ */
+
+#define DRIVER_VERSION "v2.8"
+#define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@suse.cz>"
+#define DRIVER_DESC "CATC EL1210A NetMate USB Ethernet driver"
+#define SHORT_DRIVER_DESC "EL1210A NetMate USB Ethernet"
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+static const char driver_name[] = "catc";
+
+/*
+ * Some defines.
+ */ 
+
+#define STATS_UPDATE		(HZ)	/* Time between stats updates */
+#define TX_TIMEOUT		(5*HZ)	/* Max time the queue can be stopped */
+#define PKT_SZ			1536	/* Max Ethernet packet size */
+#define RX_MAX_BURST		15	/* Max packets per rx buffer (> 0, < 16) */
+#define TX_MAX_BURST		15	/* Max full sized packets per tx buffer (> 0) */
+#define CTRL_QUEUE		16	/* Max control requests in flight (power of two) */
+#define RX_PKT_SZ		1600	/* Max size of receive packet for F5U011 */
+
+/*
+ * Control requests.
+ */
+
+enum control_requests {
+	ReadMem =	0xf1,
+	GetMac =	0xf2,
+	Reset =		0xf4,
+	SetMac =	0xf5,
+	SetRxMode =     0xf5,  /* F5U011 only */
+	WriteROM =	0xf8,
+	SetReg =	0xfa,
+	GetReg =	0xfb,
+	WriteMem =	0xfc,
+	ReadROM =	0xfd,
+};
+
+/*
+ * Registers.
+ */
+
+enum register_offsets {
+	TxBufCount =	0x20,
+	RxBufCount =	0x21,
+	OpModes =	0x22,
+	TxQed =		0x23,
+	RxQed =		0x24,
+	MaxBurst =	0x25,
+	RxUnit =	0x60,
+	EthStatus =	0x61,
+	StationAddr0 =	0x67,
+	EthStats =	0x69,
+	LEDCtrl =	0x81,
+};
+
+enum eth_stats {
+	TxSingleColl =	0x00,
+        TxMultiColl =	0x02,
+        TxExcessColl =	0x04,
+        RxFramErr =	0x06,
+};
+
+enum op_mode_bits {
+	Op3MemWaits =	0x03,
+	OpLenInclude =	0x08,
+	OpRxMerge =	0x10,
+	OpTxMerge =	0x20,
+	OpWin95bugfix =	0x40,
+	OpLoopback =	0x80,
+};
+
+enum rx_filter_bits {
+	RxEnable =	0x01,
+	RxPolarity =	0x02,
+	RxForceOK =	0x04,
+	RxMultiCast =	0x08,
+	RxPromisc =	0x10,
+	AltRxPromisc =  0x20, /* F5U011 uses different bit */
+};
+
+enum led_values {
+	LEDFast = 	0x01,
+	LEDSlow =	0x02,
+	LEDFlash =	0x03,
+	LEDPulse =	0x04,
+	LEDLink =	0x08,
+};
+
+enum link_status {
+	LinkNoChange = 0,
+	LinkGood     = 1,
+	LinkBad      = 2
+};
+
+/*
+ * The catc struct.
+ */
+
+#define CTRL_RUNNING	0
+#define RX_RUNNING	1
+#define TX_RUNNING	2
+
+struct catc {
+	struct net_device *netdev;
+	struct usb_device *usbdev;
+
+	struct net_device_stats stats;
+	unsigned long flags;
+
+	unsigned int tx_ptr, tx_idx;
+	unsigned int ctrl_head, ctrl_tail;
+	spinlock_t tx_lock, ctrl_lock;
+
+	u8 tx_buf[2][TX_MAX_BURST * (PKT_SZ + 2)];
+	u8 rx_buf[RX_MAX_BURST * (PKT_SZ + 2)];
+	u8 irq_buf[2];
+	u8 ctrl_buf[64];
+	struct usb_ctrlrequest ctrl_dr;
+
+	struct timer_list timer;
+	u8 stats_buf[8];
+	u16 stats_vals[4];
+	unsigned long last_stats;
+
+	u8 multicast[64];
+
+	struct ctrl_queue {
+		u8 dir;
+		u8 request;
+		u16 value;
+		u16 index;
+		void *buf;
+		int len;
+		void (*callback)(struct catc *catc, struct ctrl_queue *q);
+	} ctrl_queue[CTRL_QUEUE];
+
+	struct urb *tx_urb, *rx_urb, *irq_urb, *ctrl_urb;
+
+	u8 is_f5u011;	/* Set if device is an F5U011 */
+	u8 rxmode[2];	/* Used for F5U011 */
+	atomic_t recq_sz; /* Used for F5U011 - counter of waiting rx packets */
+};
+
+/*
+ * Useful macros.
+ */
+
+#define catc_get_mac(catc, mac)				catc_ctrl_msg(catc, USB_DIR_IN,  GetMac, 0, 0, mac,  6)
+#define catc_reset(catc)				catc_ctrl_msg(catc, USB_DIR_OUT, Reset, 0, 0, NULL, 0)
+#define catc_set_reg(catc, reg, val)			catc_ctrl_msg(catc, USB_DIR_OUT, SetReg, val, reg, NULL, 0)
+#define catc_get_reg(catc, reg, buf)			catc_ctrl_msg(catc, USB_DIR_IN,  GetReg, 0, reg, buf, 1)
+#define catc_write_mem(catc, addr, buf, size)		catc_ctrl_msg(catc, USB_DIR_OUT, WriteMem, 0, addr, buf, size)
+#define catc_read_mem(catc, addr, buf, size)		catc_ctrl_msg(catc, USB_DIR_IN,  ReadMem, 0, addr, buf, size)
+
+#define f5u011_rxmode(catc, rxmode)			catc_ctrl_msg(catc, USB_DIR_OUT, SetRxMode, 0, 1, rxmode, 2)
+#define f5u011_rxmode_async(catc, rxmode)		catc_ctrl_async(catc, USB_DIR_OUT, SetRxMode, 0, 1, &rxmode, 2, NULL)
+#define f5u011_mchash_async(catc, hash)			catc_ctrl_async(catc, USB_DIR_OUT, SetRxMode, 0, 2, &hash, 8, NULL)
+
+#define catc_set_reg_async(catc, reg, val)		catc_ctrl_async(catc, USB_DIR_OUT, SetReg, val, reg, NULL, 0, NULL)
+#define catc_get_reg_async(catc, reg, cb)		catc_ctrl_async(catc, USB_DIR_IN, GetReg, 0, reg, NULL, 1, cb)
+#define catc_write_mem_async(catc, addr, buf, size)	catc_ctrl_async(catc, USB_DIR_OUT, WriteMem, 0, addr, buf, size, NULL)
+
+/*
+ * Receive routines.
+ */
+
+static void catc_rx_done(struct urb *urb)
+{
+	struct catc *catc = urb->context;
+	u8 *pkt_start = urb->transfer_buffer;
+	struct sk_buff *skb;
+	int pkt_len, pkt_offset = 0;
+
+	if (!catc->is_f5u011) {
+		clear_bit(RX_RUNNING, &catc->flags);
+		pkt_offset = 2;
+	}
+
+	if (urb->status) {
+		dbg("rx_done, status %d, length %d", urb->status, urb->actual_length);
+		return;
+	}
+
+	do {
+		if(!catc->is_f5u011) {
+			pkt_len = le16_to_cpup((__le16*)pkt_start);
+			if (pkt_len > urb->actual_length) {
+				catc->stats.rx_length_errors++;
+				catc->stats.rx_errors++;
+				break;
+			}
+		} else {
+			pkt_len = urb->actual_length;
+		}
+
+		if (!(skb = dev_alloc_skb(pkt_len)))
+			return;
+
+		eth_copy_and_sum(skb, pkt_start + pkt_offset, pkt_len, 0);
+		skb_put(skb, pkt_len);
+
+		skb->protocol = eth_type_trans(skb, catc->netdev);
+		netif_rx(skb);
+
+		catc->stats.rx_packets++;
+		catc->stats.rx_bytes += pkt_len;
+
+		/* F5U011 only does one packet per RX */
+		if (catc->is_f5u011)
+			break;
+		pkt_start += (((pkt_len + 1) >> 6) + 1) << 6;
+
+	} while (pkt_start - (u8 *) urb->transfer_buffer < urb->actual_length);
+
+	catc->netdev->last_rx = jiffies;
+
+	if (catc->is_f5u011) {
+		if (atomic_read(&catc->recq_sz)) {
+			int status;
+			atomic_dec(&catc->recq_sz);
+			dbg("getting extra packet");
+			urb->dev = catc->usbdev;
+			if ((status = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
+				dbg("submit(rx_urb) status %d", status);
+			}
+		} else {
+			clear_bit(RX_RUNNING, &catc->flags);
+		}
+	}
+}
+
+static void catc_irq_done(struct urb *urb)
+{
+	struct catc *catc = urb->context;
+	u8 *data = urb->transfer_buffer;
+	int status;
+	unsigned int hasdata = 0, linksts = LinkNoChange;
+
+	if (!catc->is_f5u011) {
+		hasdata = data[1] & 0x80;
+		if (data[1] & 0x40)
+			linksts = LinkGood;
+		else if (data[1] & 0x20)
+			linksts = LinkBad;
+	} else {
+		hasdata = (unsigned int)(be16_to_cpup((__be16*)data) & 0x0fff);
+		if (data[0] == 0x90)
+			linksts = LinkGood;
+		else if (data[0] == 0xA0)
+			linksts = LinkBad;
+	}
+
+	switch (urb->status) {
+	case 0:			/* success */
+		break;
+	case -ECONNRESET:	/* unlink */
+	case -ENOENT:
+	case -ESHUTDOWN:
+		return;
+	/* -EPIPE:  should clear the halt */
+	default:		/* error */
+		dbg("irq_done, status %d, data %02x %02x.", urb->status, data[0], data[1]);
+		goto resubmit;
+	}
+
+	if (linksts == LinkGood) {
+		netif_carrier_on(catc->netdev);
+		dbg("link ok");
+	}
+
+	if (linksts == LinkBad) {
+		netif_carrier_off(catc->netdev);
+		dbg("link bad");
+	}
+
+	if (hasdata) {
+		if (test_and_set_bit(RX_RUNNING, &catc->flags)) {
+			if (catc->is_f5u011)
+				atomic_inc(&catc->recq_sz);
+		} else {
+			catc->rx_urb->dev = catc->usbdev;
+			if ((status = usb_submit_urb(catc->rx_urb, GFP_ATOMIC)) < 0) {
+				err("submit(rx_urb) status %d", status);
+			}
+		} 
+	}
+resubmit:
+	status = usb_submit_urb (urb, GFP_ATOMIC);
+	if (status)
+		err ("can't resubmit intr, %s-%s, status %d",
+				catc->usbdev->bus->bus_name,
+				catc->usbdev->devpath, status);
+}
+
+/*
+ * Transmit routines.
+ */
+
+static int catc_tx_run(struct catc *catc)
+{
+	int status;
+
+	if (catc->is_f5u011)
+		catc->tx_ptr = (catc->tx_ptr + 63) & ~63;
+
+	catc->tx_urb->transfer_buffer_length = catc->tx_ptr;
+	catc->tx_urb->transfer_buffer = catc->tx_buf[catc->tx_idx];
+	catc->tx_urb->dev = catc->usbdev;
+
+	if ((status = usb_submit_urb(catc->tx_urb, GFP_ATOMIC)) < 0)
+		err("submit(tx_urb), status %d", status);
+
+	catc->tx_idx = !catc->tx_idx;
+	catc->tx_ptr = 0;
+
+	catc->netdev->trans_start = jiffies;
+	return status;
+}
+
+static void catc_tx_done(struct urb *urb)
+{
+	struct catc *catc = urb->context;
+	unsigned long flags;
+	int r;
+
+	if (urb->status == -ECONNRESET) {
+		dbg("Tx Reset.");
+		urb->status = 0;
+		catc->netdev->trans_start = jiffies;
+		catc->stats.tx_errors++;
+		clear_bit(TX_RUNNING, &catc->flags);
+		netif_wake_queue(catc->netdev);
+		return;
+	}
+
+	if (urb->status) {
+		dbg("tx_done, status %d, length %d", urb->status, urb->actual_length);
+		return;
+	}
+
+	spin_lock_irqsave(&catc->tx_lock, flags);
+
+	if (catc->tx_ptr) {
+		r = catc_tx_run(catc);
+		if (unlikely(r < 0))
+			clear_bit(TX_RUNNING, &catc->flags);
+	} else {
+		clear_bit(TX_RUNNING, &catc->flags);
+	}
+
+	netif_wake_queue(catc->netdev);
+
+	spin_unlock_irqrestore(&catc->tx_lock, flags);
+}
+
+static int catc_hard_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+{
+	struct catc *catc = netdev_priv(netdev);
+	unsigned long flags;
+	int r = 0;
+	char *tx_buf;
+
+	spin_lock_irqsave(&catc->tx_lock, flags);
+
+	catc->tx_ptr = (((catc->tx_ptr - 1) >> 6) + 1) << 6;
+	tx_buf = catc->tx_buf[catc->tx_idx] + catc->tx_ptr;
+	*((u16*)tx_buf) = (catc->is_f5u011) ? cpu_to_be16((u16)skb->len) : cpu_to_le16((u16)skb->len);
+	skb_copy_from_linear_data(skb, tx_buf + 2, skb->len);
+	catc->tx_ptr += skb->len + 2;
+
+	if (!test_and_set_bit(TX_RUNNING, &catc->flags)) {
+		r = catc_tx_run(catc);
+		if (r < 0)
+			clear_bit(TX_RUNNING, &catc->flags);
+	}
+
+	if ((catc->is_f5u011 && catc->tx_ptr)
+	     || (catc->tx_ptr >= ((TX_MAX_BURST - 1) * (PKT_SZ + 2))))
+		netif_stop_queue(netdev);
+
+	spin_unlock_irqrestore(&catc->tx_lock, flags);
+
+	if (r >= 0) {
+		catc->stats.tx_bytes += skb->len;
+		catc->stats.tx_packets++;
+	}
+
+	dev_kfree_skb(skb);
+
+	return 0;
+}
+
+static void catc_tx_timeout(struct net_device *netdev)
+{
+	struct catc *catc = netdev_priv(netdev);
+
+	warn("Transmit timed out.");
+	usb_unlink_urb(catc->tx_urb);
+}
+
+/*
+ * Control messages.
+ */
+
+static int catc_ctrl_msg(struct catc *catc, u8 dir, u8 request, u16 value, u16 index, void *buf, int len)
+{
+        int retval = usb_control_msg(catc->usbdev,
+		dir ? usb_rcvctrlpipe(catc->usbdev, 0) : usb_sndctrlpipe(catc->usbdev, 0),
+		 request, 0x40 | dir, value, index, buf, len, 1000);
+        return retval < 0 ? retval : 0;
+}
+
+static void catc_ctrl_run(struct catc *catc)
+{
+	struct ctrl_queue *q = catc->ctrl_queue + catc->ctrl_tail;
+	struct usb_device *usbdev = catc->usbdev;
+	struct urb *urb = catc->ctrl_urb;
+	struct usb_ctrlrequest *dr = &catc->ctrl_dr;
+	int status;
+
+	dr->bRequest = q->request;
+	dr->bRequestType = 0x40 | q->dir;
+	dr->wValue = cpu_to_le16(q->value);
+	dr->wIndex = cpu_to_le16(q->index);
+	dr->wLength = cpu_to_le16(q->len);
+
+        urb->pipe = q->dir ? usb_rcvctrlpipe(usbdev, 0) : usb_sndctrlpipe(usbdev, 0);
+	urb->transfer_buffer_length = q->len;
+	urb->transfer_buffer = catc->ctrl_buf;
+	urb->setup_packet = (void *) dr;
+	urb->dev = usbdev;
+
+	if (!q->dir && q->buf && q->len)
+		memcpy(catc->ctrl_buf, q->buf, q->len);
+
+	if ((status = usb_submit_urb(catc->ctrl_urb, GFP_KERNEL)))
+		err("submit(ctrl_urb) status %d", status);
+}
+
+static void catc_ctrl_done(struct urb *urb)
+{
+	struct catc *catc = urb->context;
+	struct ctrl_queue *q;
+	unsigned long flags;
+
+	if (urb->status)
+		dbg("ctrl_done, status %d, len %d.", urb->status, urb->actual_length);
+
+	spin_lock_irqsave(&catc->ctrl_lock, flags);
+
+	q = catc->ctrl_queue + catc->ctrl_tail;
+
+	if (q->dir) {
+		if (q->buf && q->len)
+			memcpy(q->buf, catc->ctrl_buf, q->len);
+		else
+			q->buf = catc->ctrl_buf;
+	}
+
+	if (q->callback)
+		q->callback(catc, q);
+
+	catc->ctrl_tail = (catc->ctrl_tail + 1) & (CTRL_QUEUE - 1);
+
+	if (catc->ctrl_head != catc->ctrl_tail)
+		catc_ctrl_run(catc);
+	else
+		clear_bit(CTRL_RUNNING, &catc->flags);
+
+	spin_unlock_irqrestore(&catc->ctrl_lock, flags);
+}
+
+static int catc_ctrl_async(struct catc *catc, u8 dir, u8 request, u16 value,
+	u16 index, void *buf, int len, void (*callback)(struct catc *catc, struct ctrl_queue *q))
+{
+	struct ctrl_queue *q;
+	int retval = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&catc->ctrl_lock, flags);
+	
+	q = catc->ctrl_queue + catc->ctrl_head;
+
+	q->dir = dir;
+	q->request = request;
+	q->value = value;
+	q->index = index;
+	q->buf = buf;
+	q->len = len;
+	q->callback = callback;
+
+	catc->ctrl_head = (catc->ctrl_head + 1) & (CTRL_QUEUE - 1);
+
+	if (catc->ctrl_head == catc->ctrl_tail) {
+		err("ctrl queue full");
+		catc->ctrl_tail = (catc->ctrl_tail + 1) & (CTRL_QUEUE - 1);
+		retval = -1;
+	}
+
+	if (!test_and_set_bit(CTRL_RUNNING, &catc->flags))
+		catc_ctrl_run(catc);
+
+	spin_unlock_irqrestore(&catc->ctrl_lock, flags);
+
+	return retval;
+}
+
+/*
+ * Statistics.
+ */
+
+static void catc_stats_done(struct catc *catc, struct ctrl_queue *q)
+{
+	int index = q->index - EthStats;
+	u16 data, last;
+
+	catc->stats_buf[index] = *((char *)q->buf);
+
+	if (index & 1)
+		return;
+
+	data = ((u16)catc->stats_buf[index] << 8) | catc->stats_buf[index + 1];
+	last = catc->stats_vals[index >> 1];
+
+	switch (index) {
+		case TxSingleColl:
+		case TxMultiColl:
+			catc->stats.collisions += data - last;
+			break;
+		case TxExcessColl:
+			catc->stats.tx_aborted_errors += data - last;
+			catc->stats.tx_errors += data - last;
+			break;
+		case RxFramErr:
+			catc->stats.rx_frame_errors += data - last;
+			catc->stats.rx_errors += data - last;
+			break;
+	}
+
+	catc->stats_vals[index >> 1] = data;
+}
+
+static void catc_stats_timer(unsigned long data)
+{
+	struct catc *catc = (void *) data;
+	int i;
+
+	for (i = 0; i < 8; i++)
+		catc_get_reg_async(catc, EthStats + 7 - i, catc_stats_done);
+
+	mod_timer(&catc->timer, jiffies + STATS_UPDATE);
+}
+
+static struct net_device_stats *catc_get_stats(struct net_device *netdev)
+{
+	struct catc *catc = netdev_priv(netdev);
+	return &catc->stats;
+}
+
+/*
+ * Receive modes. Broadcast, Multicast, Promisc.
+ */
+
+static void catc_multicast(unsigned char *addr, u8 *multicast)
+{
+	u32 crc;
+
+	crc = ether_crc_le(6, addr);
+	multicast[(crc >> 3) & 0x3f] |= 1 << (crc & 7);
+}
+
+static void catc_set_multicast_list(struct net_device *netdev)
+{
+	struct catc *catc = netdev_priv(netdev);
+	struct dev_mc_list *mc;
+	u8 broadcast[6];
+	u8 rx = RxEnable | RxPolarity | RxMultiCast;
+	int i;
+
+	memset(broadcast, 0xff, 6);
+	memset(catc->multicast, 0, 64);
+
+	catc_multicast(broadcast, catc->multicast);
+	catc_multicast(netdev->dev_addr, catc->multicast);
+
+	if (netdev->flags & IFF_PROMISC) {
+		memset(catc->multicast, 0xff, 64);
+		rx |= (!catc->is_f5u011) ? RxPromisc : AltRxPromisc;
+	} 
+
+	if (netdev->flags & IFF_ALLMULTI) {
+		memset(catc->multicast, 0xff, 64);
+	} else {
+		for (i = 0, mc = netdev->mc_list; mc && i < netdev->mc_count; i++, mc = mc->next) {
+			u32 crc = ether_crc_le(6, mc->dmi_addr);
+			if (!catc->is_f5u011) {
+				catc->multicast[(crc >> 3) & 0x3f] |= 1 << (crc & 7);
+			} else {
+				catc->multicast[7-(crc >> 29)] |= 1 << ((crc >> 26) & 7);
+			}
+		}
+	}
+	if (!catc->is_f5u011) {
+		catc_set_reg_async(catc, RxUnit, rx);
+		catc_write_mem_async(catc, 0xfa80, catc->multicast, 64);
+	} else {
+		f5u011_mchash_async(catc, catc->multicast);
+		if (catc->rxmode[0] != rx) {
+			catc->rxmode[0] = rx;
+			dbg("Setting RX mode to %2.2X %2.2X", catc->rxmode[0], catc->rxmode[1]);
+			f5u011_rxmode_async(catc, catc->rxmode);
+		}
+	}
+}
+
+static void catc_get_drvinfo(struct net_device *dev,
+			     struct ethtool_drvinfo *info)
+{
+	struct catc *catc = netdev_priv(dev);
+	strncpy(info->driver, driver_name, ETHTOOL_BUSINFO_LEN);
+	strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN);
+	usb_make_path (catc->usbdev, info->bus_info, sizeof info->bus_info);
+}
+
+static int catc_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	struct catc *catc = netdev_priv(dev);
+	if (!catc->is_f5u011)
+		return -EOPNOTSUPP;
+
+	cmd->supported = SUPPORTED_10baseT_Half | SUPPORTED_TP;
+	cmd->advertising = ADVERTISED_10baseT_Half | ADVERTISED_TP;
+	cmd->speed = SPEED_10;
+	cmd->duplex = DUPLEX_HALF;
+	cmd->port = PORT_TP; 
+	cmd->phy_address = 0;
+	cmd->transceiver = XCVR_INTERNAL;
+	cmd->autoneg = AUTONEG_DISABLE;
+	cmd->maxtxpkt = 1;
+	cmd->maxrxpkt = 1;
+	return 0;
+}
+
+static struct ethtool_ops ops = {
+	.get_drvinfo = catc_get_drvinfo,
+	.get_settings = catc_get_settings,
+	.get_link = ethtool_op_get_link
+};
+
+/*
+ * Open, close.
+ */
+
+static int catc_open(struct net_device *netdev)
+{
+	struct catc *catc = netdev_priv(netdev);
+	int status;
+
+	catc->irq_urb->dev = catc->usbdev;
+	if ((status = usb_submit_urb(catc->irq_urb, GFP_KERNEL)) < 0) {
+		err("submit(irq_urb) status %d", status);
+		return -1;
+	}
+
+	netif_start_queue(netdev);
+
+	if (!catc->is_f5u011)
+		mod_timer(&catc->timer, jiffies + STATS_UPDATE);
+
+	return 0;
+}
+
+static int catc_stop(struct net_device *netdev)
+{
+	struct catc *catc = netdev_priv(netdev);
+
+	netif_stop_queue(netdev);
+
+	if (!catc->is_f5u011)
+		del_timer_sync(&catc->timer);
+
+	usb_kill_urb(catc->rx_urb);
+	usb_kill_urb(catc->tx_urb);
+	usb_kill_urb(catc->irq_urb);
+	usb_kill_urb(catc->ctrl_urb);
+
+	return 0;
+}
+
+/*
+ * USB probe, disconnect.
+ */
+
+static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+	struct usb_device *usbdev = interface_to_usbdev(intf);
+	struct net_device *netdev;
+	struct catc *catc;
+	u8 broadcast[6];
+	int i, pktsz;
+
+	if (usb_set_interface(usbdev,
+			intf->altsetting->desc.bInterfaceNumber, 1)) {
+                err("Can't set altsetting 1.");
+		return -EIO;
+	}
+
+	netdev = alloc_etherdev(sizeof(struct catc));
+	if (!netdev)
+		return -ENOMEM;
+
+	catc = netdev_priv(netdev);
+
+	netdev->open = catc_open;
+	netdev->hard_start_xmit = catc_hard_start_xmit;
+	netdev->stop = catc_stop;
+	netdev->get_stats = catc_get_stats;
+	netdev->tx_timeout = catc_tx_timeout;
+	netdev->watchdog_timeo = TX_TIMEOUT;
+	netdev->set_multicast_list = catc_set_multicast_list;
+	SET_ETHTOOL_OPS(netdev, &ops);
+
+	catc->usbdev = usbdev;
+	catc->netdev = netdev;
+
+	spin_lock_init(&catc->tx_lock);
+	spin_lock_init(&catc->ctrl_lock);
+
+	init_timer(&catc->timer);
+	catc->timer.data = (long) catc;
+	catc->timer.function = catc_stats_timer;
+
+	catc->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
+	catc->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
+	catc->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
+	catc->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if ((!catc->ctrl_urb) || (!catc->tx_urb) || 
+	    (!catc->rx_urb) || (!catc->irq_urb)) {
+		err("No free urbs available.");
+		usb_free_urb(catc->ctrl_urb);
+		usb_free_urb(catc->tx_urb);
+		usb_free_urb(catc->rx_urb);
+		usb_free_urb(catc->irq_urb);
+		free_netdev(netdev);
+		return -ENOMEM;
+	}
+
+	/* The F5U011 has the same vendor/product as the netmate but a device version of 0x130 */
+	if (le16_to_cpu(usbdev->descriptor.idVendor) == 0x0423 && 
+	    le16_to_cpu(usbdev->descriptor.idProduct) == 0xa &&
+	    le16_to_cpu(catc->usbdev->descriptor.bcdDevice) == 0x0130) {
+		dbg("Testing for f5u011");
+		catc->is_f5u011 = 1;		
+		atomic_set(&catc->recq_sz, 0);
+		pktsz = RX_PKT_SZ;
+	} else {
+		pktsz = RX_MAX_BURST * (PKT_SZ + 2);
+	}
+	
+	usb_fill_control_urb(catc->ctrl_urb, usbdev, usb_sndctrlpipe(usbdev, 0),
+		NULL, NULL, 0, catc_ctrl_done, catc);
+
+	usb_fill_bulk_urb(catc->tx_urb, usbdev, usb_sndbulkpipe(usbdev, 1),
+		NULL, 0, catc_tx_done, catc);
+
+	usb_fill_bulk_urb(catc->rx_urb, usbdev, usb_rcvbulkpipe(usbdev, 1),
+		catc->rx_buf, pktsz, catc_rx_done, catc);
+
+	usb_fill_int_urb(catc->irq_urb, usbdev, usb_rcvintpipe(usbdev, 2),
+                catc->irq_buf, 2, catc_irq_done, catc, 1);
+
+	if (!catc->is_f5u011) {
+		dbg("Checking memory size\n");
+
+		i = 0x12345678;
+		catc_write_mem(catc, 0x7a80, &i, 4);
+		i = 0x87654321;	
+		catc_write_mem(catc, 0xfa80, &i, 4);
+		catc_read_mem(catc, 0x7a80, &i, 4);
+	  
+		switch (i) {
+		case 0x12345678:
+			catc_set_reg(catc, TxBufCount, 8);
+			catc_set_reg(catc, RxBufCount, 32);
+			dbg("64k Memory\n");
+			break;
+		default:
+			warn("Couldn't detect memory size, assuming 32k");
+		case 0x87654321:
+			catc_set_reg(catc, TxBufCount, 4);
+			catc_set_reg(catc, RxBufCount, 16);
+			dbg("32k Memory\n");
+			break;
+		}
+	  
+		dbg("Getting MAC from SEEROM.");
+	  
+		catc_get_mac(catc, netdev->dev_addr);
+		
+		dbg("Setting MAC into registers.");
+	  
+		for (i = 0; i < 6; i++)
+			catc_set_reg(catc, StationAddr0 - i, netdev->dev_addr[i]);
+		
+		dbg("Filling the multicast list.");
+	  
+		memset(broadcast, 0xff, 6);
+		catc_multicast(broadcast, catc->multicast);
+		catc_multicast(netdev->dev_addr, catc->multicast);
+		catc_write_mem(catc, 0xfa80, catc->multicast, 64);
+		
+		dbg("Clearing error counters.");
+		
+		for (i = 0; i < 8; i++)
+			catc_set_reg(catc, EthStats + i, 0);
+		catc->last_stats = jiffies;
+		
+		dbg("Enabling.");
+		
+		catc_set_reg(catc, MaxBurst, RX_MAX_BURST);
+		catc_set_reg(catc, OpModes, OpTxMerge | OpRxMerge | OpLenInclude | Op3MemWaits);
+		catc_set_reg(catc, LEDCtrl, LEDLink);
+		catc_set_reg(catc, RxUnit, RxEnable | RxPolarity | RxMultiCast);
+	} else {
+		dbg("Performing reset\n");
+		catc_reset(catc);
+		catc_get_mac(catc, netdev->dev_addr);
+		
+		dbg("Setting RX Mode");
+		catc->rxmode[0] = RxEnable | RxPolarity | RxMultiCast;
+		catc->rxmode[1] = 0;
+		f5u011_rxmode(catc, catc->rxmode);
+	}
+	dbg("Init done.");
+	printk(KERN_INFO "%s: %s USB Ethernet at usb-%s-%s, ",
+	       netdev->name, (catc->is_f5u011) ? "Belkin F5U011" : "CATC EL1210A NetMate",
+	       usbdev->bus->bus_name, usbdev->devpath);
+	for (i = 0; i < 5; i++) printk("%2.2x:", netdev->dev_addr[i]);
+	printk("%2.2x.\n", netdev->dev_addr[i]);
+	usb_set_intfdata(intf, catc);
+
+	SET_NETDEV_DEV(netdev, &intf->dev);
+	if (register_netdev(netdev) != 0) {
+		usb_set_intfdata(intf, NULL);
+		usb_free_urb(catc->ctrl_urb);
+		usb_free_urb(catc->tx_urb);
+		usb_free_urb(catc->rx_urb);
+		usb_free_urb(catc->irq_urb);
+		free_netdev(netdev);
+		return -EIO;
+	}
+	return 0;
+}
+
+static void catc_disconnect(struct usb_interface *intf)
+{
+	struct catc *catc = usb_get_intfdata(intf);
+
+	usb_set_intfdata(intf, NULL);
+	if (catc) {
+		unregister_netdev(catc->netdev);
+		usb_free_urb(catc->ctrl_urb);
+		usb_free_urb(catc->tx_urb);
+		usb_free_urb(catc->rx_urb);
+		usb_free_urb(catc->irq_urb);
+		free_netdev(catc->netdev);
+	}
+}
+
+/*
+ * Module functions and tables.
+ */
+
+static struct usb_device_id catc_id_table [] = {
+	{ USB_DEVICE(0x0423, 0xa) },	/* CATC Netmate, Belkin F5U011 */
+	{ USB_DEVICE(0x0423, 0xc) },	/* CATC Netmate II, Belkin F5U111 */
+	{ USB_DEVICE(0x08d1, 0x1) },	/* smartBridges smartNIC */
+	{ }
+};
+
+MODULE_DEVICE_TABLE(usb, catc_id_table);
+
+static struct usb_driver catc_driver = {
+	.name =		driver_name,
+	.probe =	catc_probe,
+	.disconnect =	catc_disconnect,
+	.id_table =	catc_id_table,
+};
+
+static int __init catc_init(void)
+{
+	int result = usb_register(&catc_driver);
+	if (result == 0)
+		info(DRIVER_VERSION " " DRIVER_DESC);
+	return result;
+}
+
+static void __exit catc_exit(void)
+{
+	usb_deregister(&catc_driver);
+}
+
+module_init(catc_init);
+module_exit(catc_exit);