+++ /dev/null
-/*
- * 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);
projects / powerpc.git / blobdiff