#undef DEBUG
-#ifdef DEBUG
-#define kaweth_dbg(format, arg...) printk(KERN_DEBUG __FILE__ ": " format "\n" ,##arg)
-#else
-#define kaweth_dbg(format, arg...) do {} while (0)
-#endif
-#define kaweth_err(format, arg...) printk(KERN_ERR __FILE__ ": " format "\n" ,##arg)
-#define kaweth_info(format, arg...) printk(KERN_INFO __FILE__ ": " format "\n" , ##arg)
-#define kaweth_warn(format, arg...) printk(KERN_WARNING __FILE__ ": " format "\n" , ##arg)
-
-
#include "kawethfw.h"
#define KAWETH_MTU 1514
#define KAWETH_STATUS_BROKEN 0x0000001
#define KAWETH_STATUS_CLOSING 0x0000002
+#define KAWETH_STATUS_SUSPENDING 0x0000004
+
+#define KAWETH_STATUS_BLOCKED (KAWETH_STATUS_CLOSING | KAWETH_STATUS_SUSPENDING)
#define KAWETH_PACKET_FILTER_PROMISCUOUS 0x01
#define KAWETH_PACKET_FILTER_ALL_MULTICAST 0x02
#define STATE_MASK 0x40
#define STATE_SHIFT 5
+#define IS_BLOCKED(s) (s & KAWETH_STATUS_BLOCKED)
+
MODULE_AUTHOR("Michael Zappe <zapman@interlan.net>, Stephane Alnet <stephane@u-picardie.fr>, Brad Hards <bhards@bigpond.net.au> and Oliver Neukum <oliver@neukum.org>");
MODULE_DESCRIPTION("KL5USB101 USB Ethernet driver");
unsigned int pipe,
struct usb_ctrlrequest *cmd, void *data,
int len, int timeout);
+static int kaweth_suspend(struct usb_interface *intf, pm_message_t message);
+static int kaweth_resume(struct usb_interface *intf);
/****************************************************************
* usb_device_id
{ USB_DEVICE(0x1645, 0x0005) }, /* Entrega E45 */
{ USB_DEVICE(0x1645, 0x0008) }, /* Entrega USB Ethernet Adapter */
{ USB_DEVICE(0x1645, 0x8005) }, /* PortGear Ethernet Adapter */
+ { USB_DEVICE(0x1668, 0x0323) }, /* Actiontec USB Ethernet */
{ USB_DEVICE(0x2001, 0x4000) }, /* D-link DSB-650C */
{} /* Null terminator */
};
.name = driver_name,
.probe = kaweth_probe,
.disconnect = kaweth_disconnect,
+ .suspend = kaweth_suspend,
+ .resume = kaweth_resume,
.id_table = usb_klsi_table,
};
int suspend_lowmem_rx;
int suspend_lowmem_ctrl;
int linkstate;
- struct work_struct lowmem_work;
+ int opened;
+ struct delayed_work lowmem_work;
struct usb_device *dev;
struct net_device *net;
{
struct usb_ctrlrequest *dr;
- kaweth_dbg("kaweth_control()");
+ dbg("kaweth_control()");
if(in_interrupt()) {
- kaweth_dbg("in_interrupt()");
+ dbg("in_interrupt()");
return -EBUSY;
}
dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
if (!dr) {
- kaweth_dbg("kmalloc() failed");
+ dbg("kmalloc() failed");
return -ENOMEM;
}
{
int retval;
- kaweth_dbg("Reading kaweth configuration");
+ dbg("Reading kaweth configuration");
retval = kaweth_control(kaweth,
usb_rcvctrlpipe(kaweth->dev, 0),
{
int retval;
- kaweth_dbg("Setting URB size to %d", (unsigned)urb_size);
+ dbg("Setting URB size to %d", (unsigned)urb_size);
retval = kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
{
int retval;
- kaweth_dbg("Set SOFS wait to %d", (unsigned)sofs_wait);
+ dbg("Set SOFS wait to %d", (unsigned)sofs_wait);
retval = kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
{
int retval;
- kaweth_dbg("Set receive filter to %d", (unsigned)receive_filter);
+ dbg("Set receive filter to %d", (unsigned)receive_filter);
retval = kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
__u8 type)
{
if(data_len > KAWETH_FIRMWARE_BUF_SIZE) {
- kaweth_err("Firmware too big: %d", data_len);
+ err("Firmware too big: %d", data_len);
return -ENOSPC;
}
kaweth->firmware_buf[4] = type;
kaweth->firmware_buf[5] = interrupt;
- kaweth_dbg("High: %i, Low:%i", kaweth->firmware_buf[3],
+ dbg("High: %i, Low:%i", kaweth->firmware_buf[3],
kaweth->firmware_buf[2]);
- kaweth_dbg("Downloading firmware at %p to kaweth device at %p",
+ dbg("Downloading firmware at %p to kaweth device at %p",
data,
kaweth);
- kaweth_dbg("Firmware length: %d", data_len);
+ dbg("Firmware length: %d", data_len);
return kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
kaweth->firmware_buf[6] = 0x00;
kaweth->firmware_buf[7] = 0x00;
- kaweth_dbg("Triggering firmware");
+ dbg("Triggering firmware");
return kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
{
int result;
- kaweth_dbg("kaweth_reset(%p)", kaweth);
+ dbg("kaweth_reset(%p)", kaweth);
result = kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
USB_REQ_SET_CONFIGURATION,
mdelay(10);
- kaweth_dbg("kaweth_reset() returns %d.",result);
+ dbg("kaweth_reset() returns %d.",result);
return result;
}
-static void kaweth_usb_receive(struct urb *, struct pt_regs *regs);
+static void kaweth_usb_receive(struct urb *);
static int kaweth_resubmit_rx_urb(struct kaweth_device *, gfp_t);
/****************************************************************
kaweth->dev->devpath, status);
}
-static void int_callback(struct urb *u, struct pt_regs *regs)
+static void int_callback(struct urb *u)
{
struct kaweth_device *kaweth = u->context;
int act_state;
kaweth_resubmit_int_urb(kaweth, GFP_ATOMIC);
}
-static void kaweth_resubmit_tl(void *d)
+static void kaweth_resubmit_tl(struct work_struct *work)
{
- struct kaweth_device *kaweth = (struct kaweth_device *)d;
+ struct kaweth_device *kaweth =
+ container_of(work, struct kaweth_device, lowmem_work.work);
- if (kaweth->status | KAWETH_STATUS_CLOSING)
+ if (IS_BLOCKED(kaweth->status))
return;
if (kaweth->suspend_lowmem_rx)
kaweth->suspend_lowmem_rx = 1;
schedule_delayed_work(&kaweth->lowmem_work, HZ/4);
}
- kaweth_err("resubmitting rx_urb %d failed", result);
+ err("resubmitting rx_urb %d failed", result);
} else {
kaweth->suspend_lowmem_rx = 0;
}
/****************************************************************
* kaweth_usb_receive
****************************************************************/
-static void kaweth_usb_receive(struct urb *urb, struct pt_regs *regs)
+static void kaweth_usb_receive(struct urb *urb)
{
struct kaweth_device *kaweth = urb->context;
struct net_device *net = kaweth->net;
return;
}
- if (kaweth->status & KAWETH_STATUS_CLOSING)
+ spin_lock(&kaweth->device_lock);
+ if (IS_BLOCKED(kaweth->status)) {
+ spin_unlock(&kaweth->device_lock);
return;
+ }
+ spin_unlock(&kaweth->device_lock);
if(urb->status && urb->status != -EREMOTEIO && count != 1) {
- kaweth_err("%s RX status: %d count: %d packet_len: %d",
+ err("%s RX status: %d count: %d packet_len: %d",
net->name,
urb->status,
count,
if(kaweth->net && (count > 2)) {
if(pkt_len > (count - 2)) {
- kaweth_err("Packet length too long for USB frame (pkt_len: %x, count: %x)",pkt_len, count);
- kaweth_err("Packet len & 2047: %x", pkt_len & 2047);
- kaweth_err("Count 2: %x", count2);
+ err("Packet length too long for USB frame (pkt_len: %x, count: %x)",pkt_len, count);
+ err("Packet len & 2047: %x", pkt_len & 2047);
+ err("Count 2: %x", count2);
kaweth_resubmit_rx_urb(kaweth, GFP_ATOMIC);
return;
}
struct kaweth_device *kaweth = netdev_priv(net);
int res;
- kaweth_dbg("Opening network device.");
+ dbg("Opening network device.");
res = kaweth_resubmit_rx_urb(kaweth, GFP_KERNEL);
if (res)
usb_kill_urb(kaweth->rx_urb);
return -EIO;
}
+ kaweth->opened = 1;
netif_start_queue(net);
/****************************************************************
* kaweth_close
****************************************************************/
-static int kaweth_close(struct net_device *net)
+static void kaweth_kill_urbs(struct kaweth_device *kaweth)
{
- struct kaweth_device *kaweth = netdev_priv(net);
-
- netif_stop_queue(net);
-
- kaweth->status |= KAWETH_STATUS_CLOSING;
-
usb_kill_urb(kaweth->irq_urb);
usb_kill_urb(kaweth->rx_urb);
usb_kill_urb(kaweth->tx_urb);
we hit them again */
usb_kill_urb(kaweth->irq_urb);
usb_kill_urb(kaweth->rx_urb);
+}
+
+/****************************************************************
+ * kaweth_close
+ ****************************************************************/
+static int kaweth_close(struct net_device *net)
+{
+ struct kaweth_device *kaweth = netdev_priv(net);
+
+ netif_stop_queue(net);
+ kaweth->opened = 0;
+
+ kaweth->status |= KAWETH_STATUS_CLOSING;
+
+ kaweth_kill_urbs(kaweth);
kaweth->status &= ~KAWETH_STATUS_CLOSING;
/****************************************************************
* kaweth_usb_transmit_complete
****************************************************************/
-static void kaweth_usb_transmit_complete(struct urb *urb, struct pt_regs *regs)
+static void kaweth_usb_transmit_complete(struct urb *urb)
{
struct kaweth_device *kaweth = urb->context;
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);
+ dbg("%s: TX status %d.", kaweth->net->name, urb->status);
netif_wake_queue(kaweth->net);
dev_kfree_skb_irq(skb);
kaweth_async_set_rx_mode(kaweth);
netif_stop_queue(net);
+ if (IS_BLOCKED(kaweth->status)) {
+ goto skip;
+ }
/* We now decide whether we can put our special header into the sk_buff */
if (skb_cloned(skb) || skb_headroom(skb) < 2) {
if((res = usb_submit_urb(kaweth->tx_urb, GFP_ATOMIC)))
{
- kaweth_warn("kaweth failed tx_urb %d", res);
+ warn("kaweth failed tx_urb %d", res);
+skip:
kaweth->stats.tx_errors++;
netif_start_queue(net);
KAWETH_PACKET_FILTER_BROADCAST |
KAWETH_PACKET_FILTER_MULTICAST;
- kaweth_dbg("Setting Rx mode to %d", packet_filter_bitmap);
+ dbg("Setting Rx mode to %d", packet_filter_bitmap);
netif_stop_queue(net);
KAWETH_CONTROL_TIMEOUT);
if(result < 0) {
- kaweth_err("Failed to set Rx mode: %d", result);
+ err("Failed to set Rx mode: %d", result);
}
else {
- kaweth_dbg("Set Rx mode to %d", packet_filter_bitmap);
+ dbg("Set Rx mode to %d", packet_filter_bitmap);
}
}
}
{
struct kaweth_device *kaweth = netdev_priv(net);
- kaweth_warn("%s: Tx timed out. Resetting.", net->name);
+ warn("%s: Tx timed out. Resetting.", net->name);
kaweth->stats.tx_errors++;
net->trans_start = jiffies;
usb_unlink_urb(kaweth->tx_urb);
}
+/****************************************************************
+ * kaweth_suspend
+ ****************************************************************/
+static int kaweth_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct kaweth_device *kaweth = usb_get_intfdata(intf);
+ unsigned long flags;
+
+ spin_lock_irqsave(&kaweth->device_lock, flags);
+ kaweth->status |= KAWETH_STATUS_SUSPENDING;
+ spin_unlock_irqrestore(&kaweth->device_lock, flags);
+
+ kaweth_kill_urbs(kaweth);
+ return 0;
+}
+
+/****************************************************************
+ * kaweth_resume
+ ****************************************************************/
+static int kaweth_resume(struct usb_interface *intf)
+{
+ struct kaweth_device *kaweth = usb_get_intfdata(intf);
+ unsigned long flags;
+
+ spin_lock_irqsave(&kaweth->device_lock, flags);
+ kaweth->status &= ~KAWETH_STATUS_SUSPENDING;
+ spin_unlock_irqrestore(&kaweth->device_lock, flags);
+
+ if (!kaweth->opened)
+ return 0;
+ kaweth_resubmit_rx_urb(kaweth, GFP_NOIO);
+ kaweth_resubmit_int_urb(kaweth, GFP_NOIO);
+
+ return 0;
+}
+
/****************************************************************
* kaweth_probe
****************************************************************/
const eth_addr_t bcast_addr = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
int result = 0;
- kaweth_dbg("Kawasaki Device Probe (Device number:%d): 0x%4.4x:0x%4.4x:0x%4.4x",
+ dbg("Kawasaki Device Probe (Device number:%d): 0x%4.4x:0x%4.4x:0x%4.4x",
dev->devnum,
le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct),
le16_to_cpu(dev->descriptor.bcdDevice));
- kaweth_dbg("Device at %p", dev);
+ dbg("Device at %p", dev);
- kaweth_dbg("Descriptor length: %x type: %x",
+ dbg("Descriptor length: %x type: %x",
(int)dev->descriptor.bLength,
(int)dev->descriptor.bDescriptorType);
spin_lock_init(&kaweth->device_lock);
init_waitqueue_head(&kaweth->term_wait);
- kaweth_dbg("Resetting.");
+ dbg("Resetting.");
kaweth_reset(kaweth);
*/
if (le16_to_cpu(dev->descriptor.bcdDevice) >> 8) {
- kaweth_info("Firmware present in device.");
+ info("Firmware present in device.");
} else {
/* Download the firmware */
- kaweth_info("Downloading firmware...");
+ info("Downloading firmware...");
kaweth->firmware_buf = (__u8 *)__get_free_page(GFP_KERNEL);
if ((result = kaweth_download_firmware(kaweth,
kaweth_new_code,
len_kaweth_new_code,
100,
2)) < 0) {
- kaweth_err("Error downloading firmware (%d)", result);
+ err("Error downloading firmware (%d)", result);
goto err_fw;
}
len_kaweth_new_code_fix,
100,
3)) < 0) {
- kaweth_err("Error downloading firmware fix (%d)", result);
+ err("Error downloading firmware fix (%d)", result);
goto err_fw;
}
len_kaweth_trigger_code,
126,
2)) < 0) {
- kaweth_err("Error downloading trigger code (%d)", result);
+ err("Error downloading trigger code (%d)", result);
goto err_fw;
}
len_kaweth_trigger_code_fix,
126,
3)) < 0) {
- kaweth_err("Error downloading trigger code fix (%d)", result);
+ err("Error downloading trigger code fix (%d)", result);
goto err_fw;
}
if ((result = kaweth_trigger_firmware(kaweth, 126)) < 0) {
- kaweth_err("Error triggering firmware (%d)", result);
+ err("Error triggering firmware (%d)", result);
goto err_fw;
}
/* Device will now disappear for a moment... */
- kaweth_info("Firmware loaded. I'll be back...");
+ info("Firmware loaded. I'll be back...");
err_fw:
free_page((unsigned long)kaweth->firmware_buf);
free_netdev(netdev);
result = kaweth_read_configuration(kaweth);
if(result < 0) {
- kaweth_err("Error reading configuration (%d), no net device created", result);
+ err("Error reading configuration (%d), no net device created", result);
goto err_free_netdev;
}
- kaweth_info("Statistics collection: %x", kaweth->configuration.statistics_mask);
- kaweth_info("Multicast filter limit: %x", kaweth->configuration.max_multicast_filters & ((1 << 15) - 1));
- kaweth_info("MTU: %d", le16_to_cpu(kaweth->configuration.segment_size));
- kaweth_info("Read MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
+ info("Statistics collection: %x", kaweth->configuration.statistics_mask);
+ info("Multicast filter limit: %x", kaweth->configuration.max_multicast_filters & ((1 << 15) - 1));
+ info("MTU: %d", le16_to_cpu(kaweth->configuration.segment_size));
+ info("Read MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
(int)kaweth->configuration.hw_addr[0],
(int)kaweth->configuration.hw_addr[1],
(int)kaweth->configuration.hw_addr[2],
if(!memcmp(&kaweth->configuration.hw_addr,
&bcast_addr,
sizeof(bcast_addr))) {
- kaweth_err("Firmware not functioning properly, no net device created");
+ err("Firmware not functioning properly, no net device created");
goto err_free_netdev;
}
if(kaweth_set_urb_size(kaweth, KAWETH_BUF_SIZE) < 0) {
- kaweth_dbg("Error setting URB size");
+ dbg("Error setting URB size");
goto err_free_netdev;
}
if(kaweth_set_sofs_wait(kaweth, KAWETH_SOFS_TO_WAIT) < 0) {
- kaweth_err("Error setting SOFS wait");
+ err("Error setting SOFS wait");
goto err_free_netdev;
}
KAWETH_PACKET_FILTER_MULTICAST);
if(result < 0) {
- kaweth_err("Error setting receive filter");
+ err("Error setting receive filter");
goto err_free_netdev;
}
- kaweth_dbg("Initializing net device.");
+ dbg("Initializing net device.");
kaweth->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!kaweth->tx_urb)
/* kaweth is zeroed as part of alloc_netdev */
- INIT_WORK(&kaweth->lowmem_work, kaweth_resubmit_tl, (void *)kaweth);
+ INIT_DELAYED_WORK(&kaweth->lowmem_work, kaweth_resubmit_tl);
SET_MODULE_OWNER(netdev);
SET_NETDEV_DEV(netdev, &intf->dev);
if (register_netdev(netdev) != 0) {
- kaweth_err("Error registering netdev.");
+ err("Error registering netdev.");
goto err_intfdata;
}
- kaweth_info("kaweth interface created at %s", kaweth->net->name);
+ info("kaweth interface created at %s", kaweth->net->name);
- kaweth_dbg("Kaweth probe returning.");
+ dbg("Kaweth probe returning.");
return 0;
struct kaweth_device *kaweth = usb_get_intfdata(intf);
struct net_device *netdev;
- kaweth_info("Unregistering");
+ info("Unregistering");
usb_set_intfdata(intf, NULL);
if (!kaweth) {
- kaweth_warn("unregistering non-existant device");
+ warn("unregistering non-existant device");
return;
}
netdev = kaweth->net;
- kaweth_dbg("Unregistering net device");
+ dbg("Unregistering net device");
unregister_netdev(netdev);
usb_free_urb(kaweth->rx_urb);
/*-------------------------------------------------------------------*
* completion handler for compatibility wrappers (sync control/bulk) *
*-------------------------------------------------------------------*/
-static void usb_api_blocking_completion(struct urb *urb, struct pt_regs *regs)
+static void usb_api_blocking_completion(struct urb *urb)
{
struct usb_api_data *awd = (struct usb_api_data *)urb->context;
if (!wait_event_timeout(awd.wqh, awd.done, timeout)) {
// timeout
- kaweth_warn("usb_control/bulk_msg: timeout");
+ warn("usb_control/bulk_msg: timeout");
usb_kill_urb(urb); // remove urb safely
status = -ETIMEDOUT;
}
****************************************************************/
static int __init kaweth_init(void)
{
- kaweth_dbg("Driver loading");
+ dbg("Driver loading");
return usb_register(&kaweth_driver);
}
git://git.onelab.eu / linux-2.6.git / blobdiff