struct kaweth_ethernet_configuration configuration;
struct net_device_stats stats;
-};
+} __attribute__ ((packed));
/****************************************************************
****************************************************************/
static int kaweth_open(struct net_device *net)
{
- struct kaweth_device *kaweth = netdev_priv(net);
+ struct kaweth_device *kaweth = (struct kaweth_device *)net->priv;
int res;
kaweth_dbg("Opening network device.");
INTBUFFERSIZE,
int_callback,
kaweth,
- 250); /* overriding the descriptor */
+ 8);
kaweth->irq_urb->transfer_dma = kaweth->intbufferhandle;
kaweth->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
res = usb_submit_urb(kaweth->irq_urb, GFP_KERNEL);
if (res) {
- usb_kill_urb(kaweth->rx_urb);
+ usb_unlink_urb(kaweth->rx_urb);
return -EIO;
}
****************************************************************/
static int kaweth_close(struct net_device *net)
{
- struct kaweth_device *kaweth = netdev_priv(net);
+ struct kaweth_device *kaweth = net->priv;
netif_stop_queue(net);
kaweth->status |= KAWETH_STATUS_CLOSING;
- usb_kill_urb(kaweth->irq_urb);
- usb_kill_urb(kaweth->rx_urb);
+ usb_unlink_urb(kaweth->irq_urb);
+ usb_unlink_urb(kaweth->rx_urb);
flush_scheduled_work();
/* a scheduled work may have resubmitted,
we hit them again */
- usb_kill_urb(kaweth->irq_urb);
- usb_kill_urb(kaweth->rx_urb);
+ usb_unlink_urb(kaweth->irq_urb);
+ usb_unlink_urb(kaweth->rx_urb);
kaweth->status &= ~KAWETH_STATUS_CLOSING;
return 0;
}
-static void kaweth_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+static int netdev_ethtool_ioctl(struct net_device *dev, void __user *useraddr)
{
+ u32 ethcmd;
+
+ if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd)))
+ return -EFAULT;
+
+ switch (ethcmd) {
+ case ETHTOOL_GDRVINFO: {
+ struct ethtool_drvinfo info = {ETHTOOL_GDRVINFO};
+ strlcpy(info.driver, driver_name, sizeof(info.driver));
+ if (copy_to_user(useraddr, &info, sizeof(info)))
+ return -EFAULT;
+ return 0;
+ }
+ }
- strlcpy(info->driver, driver_name, sizeof(info->driver));
+ return -EOPNOTSUPP;
}
-static struct ethtool_ops ops = {
- .get_drvinfo = kaweth_get_drvinfo
-};
+/****************************************************************
+ * kaweth_ioctl
+ ****************************************************************/
+static int kaweth_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
+{
+ switch (cmd) {
+ case SIOCETHTOOL:
+ return netdev_ethtool_ioctl(net, rq->ifr_data);
+ }
+ return -EOPNOTSUPP;
+}
/****************************************************************
* kaweth_usb_transmit_complete
struct sk_buff *skb = kaweth->tx_skb;
if (unlikely(urb->status != 0))
- if (urb->status != -ENOENT)
- kaweth_dbg("%s: TX status %d.", kaweth->net->name, urb->status);
+ kaweth_dbg("%s: TX status %d.", kaweth->net->name, urb->status);
netif_wake_queue(kaweth->net);
dev_kfree_skb_irq(skb);
****************************************************************/
static int kaweth_start_xmit(struct sk_buff *skb, struct net_device *net)
{
- struct kaweth_device *kaweth = netdev_priv(net);
+ struct kaweth_device *kaweth = net->priv;
__le16 *private_header;
int res;
****************************************************************/
static void kaweth_set_rx_mode(struct net_device *net)
{
- struct kaweth_device *kaweth = netdev_priv(net);
+ struct kaweth_device *kaweth = net->priv;
__u16 packet_filter_bitmap = KAWETH_PACKET_FILTER_DIRECTED |
KAWETH_PACKET_FILTER_BROADCAST |
****************************************************************/
static struct net_device_stats *kaweth_netdev_stats(struct net_device *dev)
{
- struct kaweth_device *kaweth = netdev_priv(dev);
- return &kaweth->stats;
+ return &((struct kaweth_device *)dev->priv)->stats;
}
/****************************************************************
****************************************************************/
static void kaweth_tx_timeout(struct net_device *net)
{
- struct kaweth_device *kaweth = netdev_priv(net);
+ struct kaweth_device *kaweth = net->priv;
kaweth_warn("%s: Tx timed out. Resetting.", net->name);
kaweth->stats.tx_errors++;
(int)dev->descriptor.bLength,
(int)dev->descriptor.bDescriptorType);
- netdev = alloc_etherdev(sizeof(*kaweth));
- if (!netdev)
+ if(!(kaweth = kmalloc(sizeof(struct kaweth_device), GFP_KERNEL)))
return -ENOMEM;
- kaweth = netdev_priv(netdev);
- kaweth->dev = dev;
- kaweth->net = netdev;
+ memset(kaweth, 0, sizeof(struct kaweth_device));
+ kaweth->dev = dev;
spin_lock_init(&kaweth->device_lock);
init_waitqueue_head(&kaweth->term_wait);
100,
2)) < 0) {
kaweth_err("Error downloading firmware (%d)", result);
- goto err_fw;
+ free_page((unsigned long)kaweth->firmware_buf);
+ kfree(kaweth);
+ return -EIO;
}
if ((result = kaweth_download_firmware(kaweth,
100,
3)) < 0) {
kaweth_err("Error downloading firmware fix (%d)", result);
- goto err_fw;
+ free_page((unsigned long)kaweth->firmware_buf);
+ kfree(kaweth);
+ return -EIO;
}
if ((result = kaweth_download_firmware(kaweth,
126,
2)) < 0) {
kaweth_err("Error downloading trigger code (%d)", result);
- goto err_fw;
-
+ free_page((unsigned long)kaweth->firmware_buf);
+ kfree(kaweth);
+ return -EIO;
}
if ((result = kaweth_download_firmware(kaweth,
126,
3)) < 0) {
kaweth_err("Error downloading trigger code fix (%d)", result);
- goto err_fw;
+ free_page((unsigned long)kaweth->firmware_buf);
+ kfree(kaweth);
+ return -EIO;
}
if ((result = kaweth_trigger_firmware(kaweth, 126)) < 0) {
kaweth_err("Error triggering firmware (%d)", result);
- goto err_fw;
+ free_page((unsigned long)kaweth->firmware_buf);
+ kfree(kaweth);
+ return -EIO;
}
/* Device will now disappear for a moment... */
kaweth_info("Firmware loaded. I'll be back...");
-err_fw:
free_page((unsigned long)kaweth->firmware_buf);
- free_netdev(netdev);
+ kfree(kaweth);
return -EIO;
}
if(result < 0) {
kaweth_err("Error reading configuration (%d), no net device created", result);
- goto err_free_netdev;
+ kfree(kaweth);
+ return -EIO;
}
kaweth_info("Statistics collection: %x", kaweth->configuration.statistics_mask);
&bcast_addr,
sizeof(bcast_addr))) {
kaweth_err("Firmware not functioning properly, no net device created");
- goto err_free_netdev;
+ kfree(kaweth);
+ return -EIO;
}
if(kaweth_set_urb_size(kaweth, KAWETH_BUF_SIZE) < 0) {
kaweth_dbg("Error setting URB size");
- goto err_free_netdev;
+ goto err_no_netdev;
}
if(kaweth_set_sofs_wait(kaweth, KAWETH_SOFS_TO_WAIT) < 0) {
kaweth_err("Error setting SOFS wait");
- goto err_free_netdev;
+ goto err_no_netdev;
}
result = kaweth_set_receive_filter(kaweth,
if(result < 0) {
kaweth_err("Error setting receive filter");
- goto err_free_netdev;
+ kfree(kaweth);
+ return -EIO;
}
kaweth_dbg("Initializing net device.");
+ if (!(netdev = alloc_etherdev(0))) {
+ kfree(kaweth);
+ return -ENOMEM;
+ }
+
kaweth->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!kaweth->tx_urb)
- goto err_free_netdev;
+ goto err_no_urb;
kaweth->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!kaweth->rx_urb)
goto err_only_tx;
if (!kaweth->rx_buf)
goto err_all_but_rxbuf;
- memcpy(netdev->broadcast, &bcast_addr, sizeof(bcast_addr));
- memcpy(netdev->dev_addr, &kaweth->configuration.hw_addr,
+ kaweth->net = netdev;
+ memcpy(kaweth->net->broadcast, &bcast_addr, sizeof(bcast_addr));
+ memcpy(kaweth->net->dev_addr,
+ &kaweth->configuration.hw_addr,
sizeof(kaweth->configuration.hw_addr));
- netdev->open = kaweth_open;
- netdev->stop = kaweth_close;
+ kaweth->net->priv = kaweth;
+ kaweth->net->open = kaweth_open;
+ kaweth->net->stop = kaweth_close;
- netdev->watchdog_timeo = KAWETH_TX_TIMEOUT;
- netdev->tx_timeout = kaweth_tx_timeout;
+ kaweth->net->watchdog_timeo = KAWETH_TX_TIMEOUT;
+ kaweth->net->tx_timeout = kaweth_tx_timeout;
- netdev->hard_start_xmit = kaweth_start_xmit;
- netdev->set_multicast_list = kaweth_set_rx_mode;
- netdev->get_stats = kaweth_netdev_stats;
- netdev->mtu = le16_to_cpu(kaweth->configuration.segment_size);
- SET_ETHTOOL_OPS(netdev, &ops);
+ kaweth->net->do_ioctl = kaweth_ioctl;
+ kaweth->net->hard_start_xmit = kaweth_start_xmit;
+ kaweth->net->set_multicast_list = kaweth_set_rx_mode;
+ kaweth->net->get_stats = kaweth_netdev_stats;
+ kaweth->net->mtu = le16_to_cpu(kaweth->configuration.segment_size);
- /* kaweth is zeroed as part of alloc_netdev */
+ memset(&kaweth->stats, 0, sizeof(kaweth->stats));
INIT_WORK(&kaweth->lowmem_work, kaweth_resubmit_tl, (void *)kaweth);
usb_free_urb(kaweth->rx_urb);
err_only_tx:
usb_free_urb(kaweth->tx_urb);
-err_free_netdev:
+err_no_urb:
free_netdev(netdev);
-
+err_no_netdev:
+ kfree(kaweth);
return -EIO;
}
static void kaweth_disconnect(struct usb_interface *intf)
{
struct kaweth_device *kaweth = usb_get_intfdata(intf);
- struct net_device *netdev;
kaweth_info("Unregistering");
kaweth_warn("unregistering non-existant device");
return;
}
- netdev = kaweth->net;
+
kaweth->removed = 1;
- usb_kill_urb(kaweth->irq_urb);
- usb_kill_urb(kaweth->rx_urb);
- usb_kill_urb(kaweth->tx_urb);
+ usb_unlink_urb(kaweth->irq_urb);
+ usb_unlink_urb(kaweth->rx_urb);
+
+ /* we need to wait for the urb to be cancelled, if it is active */
+ spin_lock(&kaweth->device_lock);
+ if (usb_unlink_urb(kaweth->tx_urb) == -EINPROGRESS) {
+ spin_unlock(&kaweth->device_lock);
+ wait_event(kaweth->term_wait, kaweth->end);
+ } else {
+ spin_unlock(&kaweth->device_lock);
+ }
+
+ if(kaweth->net) {
+ if(kaweth->net->flags & IFF_UP) {
+ kaweth_dbg("Closing net device");
+ dev_close(kaweth->net);
+ }
- kaweth_dbg("Unregistering net device");
- unregister_netdev(netdev);
+ kaweth_dbg("Unregistering net device");
+ unregister_netdev(kaweth->net);
+ free_netdev(kaweth->net);
+ }
usb_free_urb(kaweth->rx_urb);
usb_free_urb(kaweth->tx_urb);
usb_free_urb(kaweth->irq_urb);
+
usb_buffer_free(kaweth->dev, KAWETH_BUF_SIZE, (void *)kaweth->rx_buf, kaweth->rxbufferhandle);
usb_buffer_free(kaweth->dev, INTBUFFERSIZE, (void *)kaweth->intbuffer, kaweth->intbufferhandle);
- free_netdev(netdev);
+ kfree(kaweth);
}
return status;
}
+ set_current_state(TASK_UNINTERRUPTIBLE);
while (timeout && !awd.done) {
- set_current_state(TASK_UNINTERRUPTIBLE);
timeout = schedule_timeout(timeout);
+ set_current_state(TASK_UNINTERRUPTIBLE);
}
+ set_current_state(TASK_RUNNING);
remove_wait_queue(&awd.wqh, &wait);
if (!timeout) {
// timeout
kaweth_warn("usb_control/bulk_msg: timeout");
- usb_kill_urb(urb); // remove urb safely
+ usb_unlink_urb(urb); // remove urb safely
status = -ETIMEDOUT;
}
else {