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path: root/drivers/net/usb/kaweth.c
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Diffstat (limited to 'drivers/net/usb/kaweth.c')
-rw-r--r--drivers/net/usb/kaweth.c221
1 files changed, 99 insertions, 122 deletions
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 5e98643a4a2..dcb6d33141e 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -25,8 +25,7 @@
* 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*
****************************************************************/
@@ -46,7 +45,6 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/string.h>
-#include <linux/init.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
@@ -179,6 +177,7 @@ static struct usb_driver kaweth_driver = {
.resume = kaweth_resume,
.id_table = usb_klsi_table,
.supports_autosuspend = 1,
+ .disable_hub_initiated_lpm = 1,
};
typedef __u8 eth_addr_t[6];
@@ -266,19 +265,16 @@ static int kaweth_control(struct kaweth_device *kaweth,
struct usb_ctrlrequest *dr;
int retval;
- dbg("kaweth_control()");
+ netdev_dbg(kaweth->net, "kaweth_control()\n");
if(in_interrupt()) {
- dbg("in_interrupt()");
+ netdev_dbg(kaweth->net, "in_interrupt()\n");
return -EBUSY;
}
dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
-
- if (!dr) {
- dbg("kmalloc() failed");
+ if (!dr)
return -ENOMEM;
- }
dr->bRequestType = requesttype;
dr->bRequest = request;
@@ -304,7 +300,7 @@ static int kaweth_read_configuration(struct kaweth_device *kaweth)
{
int retval;
- dbg("Reading kaweth configuration");
+ netdev_dbg(kaweth->net, "Reading kaweth configuration\n");
retval = kaweth_control(kaweth,
usb_rcvctrlpipe(kaweth->dev, 0),
@@ -326,7 +322,7 @@ static int kaweth_set_urb_size(struct kaweth_device *kaweth, __u16 urb_size)
{
int retval;
- dbg("Setting URB size to %d", (unsigned)urb_size);
+ netdev_dbg(kaweth->net, "Setting URB size to %d\n", (unsigned)urb_size);
retval = kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
@@ -348,7 +344,7 @@ static int kaweth_set_sofs_wait(struct kaweth_device *kaweth, __u16 sofs_wait)
{
int retval;
- dbg("Set SOFS wait to %d", (unsigned)sofs_wait);
+ netdev_dbg(kaweth->net, "Set SOFS wait to %d\n", (unsigned)sofs_wait);
retval = kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
@@ -371,7 +367,8 @@ static int kaweth_set_receive_filter(struct kaweth_device *kaweth,
{
int retval;
- dbg("Set receive filter to %d", (unsigned)receive_filter);
+ netdev_dbg(kaweth->net, "Set receive filter to %d\n",
+ (unsigned)receive_filter);
retval = kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
@@ -400,12 +397,14 @@ static int kaweth_download_firmware(struct kaweth_device *kaweth,
ret = request_firmware(&fw, fwname, &kaweth->dev->dev);
if (ret) {
- err("Firmware request failed\n");
+ dev_err(&kaweth->intf->dev, "Firmware request failed\n");
return ret;
}
if (fw->size > KAWETH_FIRMWARE_BUF_SIZE) {
- err("Firmware too big: %zu", fw->size);
+ dev_err(&kaweth->intf->dev, "Firmware too big: %zu\n",
+ fw->size);
+ release_firmware(fw);
return -ENOSPC;
}
data_len = fw->size;
@@ -418,12 +417,13 @@ static int kaweth_download_firmware(struct kaweth_device *kaweth,
kaweth->firmware_buf[4] = type;
kaweth->firmware_buf[5] = interrupt;
- dbg("High: %i, Low:%i", kaweth->firmware_buf[3],
+ netdev_dbg(kaweth->net, "High: %i, Low:%i\n", kaweth->firmware_buf[3],
kaweth->firmware_buf[2]);
- dbg("Downloading firmware at %p to kaweth device at %p",
- fw->data, kaweth);
- dbg("Firmware length: %d", data_len);
+ netdev_dbg(kaweth->net,
+ "Downloading firmware at %p to kaweth device at %p\n",
+ kaweth->firmware_buf, kaweth);
+ netdev_dbg(kaweth->net, "Firmware length: %d\n", data_len);
return kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
@@ -451,7 +451,7 @@ static int kaweth_trigger_firmware(struct kaweth_device *kaweth,
kaweth->firmware_buf[6] = 0x00;
kaweth->firmware_buf[7] = 0x00;
- dbg("Triggering firmware");
+ netdev_dbg(kaweth->net, "Triggering firmware\n");
return kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
@@ -471,11 +471,11 @@ static int kaweth_reset(struct kaweth_device *kaweth)
{
int result;
- dbg("kaweth_reset(%p)", kaweth);
+ netdev_dbg(kaweth->net, "kaweth_reset(%p)\n", kaweth);
result = usb_reset_configuration(kaweth->dev);
mdelay(10);
- dbg("kaweth_reset() returns %d.",result);
+ netdev_dbg(kaweth->net, "kaweth_reset() returns %d.\n", result);
return result;
}
@@ -500,9 +500,10 @@ static void kaweth_resubmit_int_urb(struct kaweth_device *kaweth, gfp_t mf)
}
if (status)
- err ("can't resubmit intr, %s-%s, status %d",
- kaweth->dev->bus->bus_name,
- kaweth->dev->devpath, status);
+ dev_err(&kaweth->intf->dev,
+ "can't resubmit intr, %s-%s, status %d\n",
+ kaweth->dev->bus->bus_name,
+ kaweth->dev->devpath, status);
}
static void int_callback(struct urb *u)
@@ -575,7 +576,8 @@ static int kaweth_resubmit_rx_urb(struct kaweth_device *kaweth,
kaweth->suspend_lowmem_rx = 1;
schedule_delayed_work(&kaweth->lowmem_work, HZ/4);
}
- err("resubmitting rx_urb %d failed", result);
+ dev_err(&kaweth->intf->dev, "resubmitting rx_urb %d failed\n",
+ result);
} else {
kaweth->suspend_lowmem_rx = 0;
}
@@ -590,6 +592,7 @@ static void kaweth_async_set_rx_mode(struct kaweth_device *kaweth);
****************************************************************/
static void kaweth_usb_receive(struct urb *urb)
{
+ struct device *dev = &urb->dev->dev;
struct kaweth_device *kaweth = urb->context;
struct net_device *net = kaweth->net;
int status = urb->status;
@@ -605,25 +608,25 @@ static void kaweth_usb_receive(struct urb *urb)
kaweth->stats.rx_errors++;
kaweth->end = 1;
wake_up(&kaweth->term_wait);
- dbg("Status was -EPIPE.");
+ dev_dbg(dev, "Status was -EPIPE.\n");
return;
}
if (unlikely(status == -ECONNRESET || status == -ESHUTDOWN)) {
/* we are killed - set a flag and wake the disconnect handler */
kaweth->end = 1;
wake_up(&kaweth->term_wait);
- dbg("Status was -ECONNRESET or -ESHUTDOWN.");
+ dev_dbg(dev, "Status was -ECONNRESET or -ESHUTDOWN.\n");
return;
}
if (unlikely(status == -EPROTO || status == -ETIME ||
status == -EILSEQ)) {
kaweth->stats.rx_errors++;
- dbg("Status was -EPROTO, -ETIME, or -EILSEQ.");
+ dev_dbg(dev, "Status was -EPROTO, -ETIME, or -EILSEQ.\n");
return;
}
if (unlikely(status == -EOVERFLOW)) {
kaweth->stats.rx_errors++;
- dbg("Status was -EOVERFLOW.");
+ dev_dbg(dev, "Status was -EOVERFLOW.\n");
}
spin_lock(&kaweth->device_lock);
if (IS_BLOCKED(kaweth->status)) {
@@ -633,20 +636,21 @@ static void kaweth_usb_receive(struct urb *urb)
spin_unlock(&kaweth->device_lock);
if(status && status != -EREMOTEIO && count != 1) {
- err("%s RX status: %d count: %d packet_len: %d",
- net->name,
- status,
- count,
- (int)pkt_len);
+ dev_err(&kaweth->intf->dev,
+ "%s RX status: %d count: %d packet_len: %d\n",
+ net->name, status, count, (int)pkt_len);
kaweth_resubmit_rx_urb(kaweth, GFP_ATOMIC);
return;
}
if(kaweth->net && (count > 2)) {
if(pkt_len > (count - 2)) {
- 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);
+ dev_err(&kaweth->intf->dev,
+ "Packet length too long for USB frame (pkt_len: %x, count: %x)\n",
+ pkt_len, count);
+ dev_err(&kaweth->intf->dev, "Packet len & 2047: %x\n",
+ pkt_len & 2047);
+ dev_err(&kaweth->intf->dev, "Count 2: %x\n", count2);
kaweth_resubmit_rx_urb(kaweth, GFP_ATOMIC);
return;
}
@@ -681,11 +685,11 @@ static int kaweth_open(struct net_device *net)
struct kaweth_device *kaweth = netdev_priv(net);
int res;
- dbg("Opening network device.");
+ netdev_dbg(kaweth->net, "Opening network device.\n");
res = usb_autopm_get_interface(kaweth->intf);
if (res) {
- err("Interface cannot be resumed.");
+ dev_err(&kaweth->intf->dev, "Interface cannot be resumed.\n");
return -EIO;
}
res = kaweth_resubmit_rx_urb(kaweth, GFP_KERNEL);
@@ -781,7 +785,8 @@ static void kaweth_usb_transmit_complete(struct urb *urb)
if (unlikely(status != 0))
if (status != -ENOENT)
- dbg("%s: TX status %d.", kaweth->net->name, status);
+ dev_dbg(&urb->dev->dev, "%s: TX status %d.\n",
+ kaweth->net->name, status);
netif_wake_queue(kaweth->net);
dev_kfree_skb_irq(skb);
@@ -865,7 +870,7 @@ static void kaweth_set_rx_mode(struct net_device *net)
KAWETH_PACKET_FILTER_BROADCAST |
KAWETH_PACKET_FILTER_MULTICAST;
- dbg("Setting Rx mode to %d", packet_filter_bitmap);
+ netdev_dbg(net, "Setting Rx mode to %d\n", packet_filter_bitmap);
netif_stop_queue(net);
@@ -906,10 +911,12 @@ static void kaweth_async_set_rx_mode(struct kaweth_device *kaweth)
KAWETH_CONTROL_TIMEOUT);
if(result < 0) {
- err("Failed to set Rx mode: %d", result);
+ dev_err(&kaweth->intf->dev, "Failed to set Rx mode: %d\n",
+ result);
}
else {
- dbg("Set Rx mode to %d", packet_filter_bitmap);
+ netdev_dbg(kaweth->net, "Set Rx mode to %d\n",
+ packet_filter_bitmap);
}
}
@@ -944,7 +951,7 @@ static int kaweth_suspend(struct usb_interface *intf, pm_message_t message)
struct kaweth_device *kaweth = usb_get_intfdata(intf);
unsigned long flags;
- dbg("Suspending device");
+ dev_dbg(&intf->dev, "Suspending device\n");
spin_lock_irqsave(&kaweth->device_lock, flags);
kaweth->status |= KAWETH_STATUS_SUSPENDING;
spin_unlock_irqrestore(&kaweth->device_lock, flags);
@@ -961,7 +968,7 @@ static int kaweth_resume(struct usb_interface *intf)
struct kaweth_device *kaweth = usb_get_intfdata(intf);
unsigned long flags;
- dbg("Resuming device");
+ dev_dbg(&intf->dev, "Resuming device\n");
spin_lock_irqsave(&kaweth->device_lock, flags);
kaweth->status &= ~KAWETH_STATUS_SUSPENDING;
spin_unlock_irqrestore(&kaweth->device_lock, flags);
@@ -984,7 +991,7 @@ static const struct net_device_ops kaweth_netdev_ops = {
.ndo_stop = kaweth_close,
.ndo_start_xmit = kaweth_start_xmit,
.ndo_tx_timeout = kaweth_tx_timeout,
- .ndo_set_multicast_list = kaweth_set_rx_mode,
+ .ndo_set_rx_mode = kaweth_set_rx_mode,
.ndo_get_stats = kaweth_netdev_stats,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
@@ -996,36 +1003,37 @@ static int kaweth_probe(
const struct usb_device_id *id /* from id_table */
)
{
- struct usb_device *dev = interface_to_usbdev(intf);
+ struct device *dev = &intf->dev;
+ struct usb_device *udev = interface_to_usbdev(intf);
struct kaweth_device *kaweth;
struct net_device *netdev;
const eth_addr_t bcast_addr = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
int result = 0;
- 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));
+ dev_dbg(dev,
+ "Kawasaki Device Probe (Device number:%d): 0x%4.4x:0x%4.4x:0x%4.4x\n",
+ udev->devnum, le16_to_cpu(udev->descriptor.idVendor),
+ le16_to_cpu(udev->descriptor.idProduct),
+ le16_to_cpu(udev->descriptor.bcdDevice));
- dbg("Device at %p", dev);
+ dev_dbg(dev, "Device at %p\n", udev);
- dbg("Descriptor length: %x type: %x",
- (int)dev->descriptor.bLength,
- (int)dev->descriptor.bDescriptorType);
+ dev_dbg(dev, "Descriptor length: %x type: %x\n",
+ (int)udev->descriptor.bLength,
+ (int)udev->descriptor.bDescriptorType);
netdev = alloc_etherdev(sizeof(*kaweth));
if (!netdev)
return -ENOMEM;
kaweth = netdev_priv(netdev);
- kaweth->dev = dev;
+ kaweth->dev = udev;
kaweth->net = netdev;
spin_lock_init(&kaweth->device_lock);
init_waitqueue_head(&kaweth->term_wait);
- dbg("Resetting.");
+ dev_dbg(dev, "Resetting.\n");
kaweth_reset(kaweth);
@@ -1034,17 +1042,18 @@ static int kaweth_probe(
* downloaded. Don't try to do it again, or we'll hang the device.
*/
- if (le16_to_cpu(dev->descriptor.bcdDevice) >> 8) {
- dev_info(&intf->dev, "Firmware present in device.\n");
+ if (le16_to_cpu(udev->descriptor.bcdDevice) >> 8) {
+ dev_info(dev, "Firmware present in device.\n");
} else {
/* Download the firmware */
- dev_info(&intf->dev, "Downloading firmware...\n");
+ dev_info(dev, "Downloading firmware...\n");
kaweth->firmware_buf = (__u8 *)__get_free_page(GFP_KERNEL);
if ((result = kaweth_download_firmware(kaweth,
"kaweth/new_code.bin",
100,
2)) < 0) {
- err("Error downloading firmware (%d)", result);
+ dev_err(dev, "Error downloading firmware (%d)\n",
+ result);
goto err_fw;
}
@@ -1052,7 +1061,8 @@ static int kaweth_probe(
"kaweth/new_code_fix.bin",
100,
3)) < 0) {
- err("Error downloading firmware fix (%d)", result);
+ dev_err(dev, "Error downloading firmware fix (%d)\n",
+ result);
goto err_fw;
}
@@ -1060,7 +1070,8 @@ static int kaweth_probe(
"kaweth/trigger_code.bin",
126,
2)) < 0) {
- err("Error downloading trigger code (%d)", result);
+ dev_err(dev, "Error downloading trigger code (%d)\n",
+ result);
goto err_fw;
}
@@ -1069,18 +1080,18 @@ static int kaweth_probe(
"kaweth/trigger_code_fix.bin",
126,
3)) < 0) {
- err("Error downloading trigger code fix (%d)", result);
+ dev_err(dev, "Error downloading trigger code fix (%d)\n", result);
goto err_fw;
}
if ((result = kaweth_trigger_firmware(kaweth, 126)) < 0) {
- err("Error triggering firmware (%d)", result);
+ dev_err(dev, "Error triggering firmware (%d)\n", result);
goto err_fw;
}
/* Device will now disappear for a moment... */
- dev_info(&intf->dev, "Firmware loaded. I'll be back...\n");
+ dev_info(dev, "Firmware loaded. I'll be back...\n");
err_fw:
free_page((unsigned long)kaweth->firmware_buf);
free_netdev(netdev);
@@ -1090,35 +1101,29 @@ err_fw:
result = kaweth_read_configuration(kaweth);
if(result < 0) {
- err("Error reading configuration (%d), no net device created", result);
+ dev_err(dev, "Error reading configuration (%d), no net device created\n", result);
goto err_free_netdev;
}
- dev_info(&intf->dev, "Statistics collection: %x\n", kaweth->configuration.statistics_mask);
- dev_info(&intf->dev, "Multicast filter limit: %x\n", kaweth->configuration.max_multicast_filters & ((1 << 15) - 1));
- dev_info(&intf->dev, "MTU: %d\n", le16_to_cpu(kaweth->configuration.segment_size));
- dev_info(&intf->dev, "Read MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
- (int)kaweth->configuration.hw_addr[0],
- (int)kaweth->configuration.hw_addr[1],
- (int)kaweth->configuration.hw_addr[2],
- (int)kaweth->configuration.hw_addr[3],
- (int)kaweth->configuration.hw_addr[4],
- (int)kaweth->configuration.hw_addr[5]);
+ dev_info(dev, "Statistics collection: %x\n", kaweth->configuration.statistics_mask);
+ dev_info(dev, "Multicast filter limit: %x\n", kaweth->configuration.max_multicast_filters & ((1 << 15) - 1));
+ dev_info(dev, "MTU: %d\n", le16_to_cpu(kaweth->configuration.segment_size));
+ dev_info(dev, "Read MAC address %pM\n", kaweth->configuration.hw_addr);
if(!memcmp(&kaweth->configuration.hw_addr,
&bcast_addr,
sizeof(bcast_addr))) {
- err("Firmware not functioning properly, no net device created");
+ dev_err(dev, "Firmware not functioning properly, no net device created\n");
goto err_free_netdev;
}
if(kaweth_set_urb_size(kaweth, KAWETH_BUF_SIZE) < 0) {
- dbg("Error setting URB size");
+ dev_dbg(dev, "Error setting URB size\n");
goto err_free_netdev;
}
if(kaweth_set_sofs_wait(kaweth, KAWETH_SOFS_TO_WAIT) < 0) {
- err("Error setting SOFS wait");
+ dev_err(dev, "Error setting SOFS wait\n");
goto err_free_netdev;
}
@@ -1128,11 +1133,11 @@ err_fw:
KAWETH_PACKET_FILTER_MULTICAST);
if(result < 0) {
- err("Error setting receive filter");
+ dev_err(dev, "Error setting receive filter\n");
goto err_free_netdev;
}
- dbg("Initializing net device.");
+ dev_dbg(dev, "Initializing net device.\n");
kaweth->intf = intf;
@@ -1166,7 +1171,7 @@ err_fw:
netdev->netdev_ops = &kaweth_netdev_ops;
netdev->watchdog_timeo = KAWETH_TX_TIMEOUT;
netdev->mtu = le16_to_cpu(kaweth->configuration.segment_size);
- SET_ETHTOOL_OPS(netdev, &ops);
+ netdev->ethtool_ops = &ops;
/* kaweth is zeroed as part of alloc_netdev */
INIT_DELAYED_WORK(&kaweth->lowmem_work, kaweth_resubmit_tl);
@@ -1174,20 +1179,20 @@ err_fw:
#if 0
// dma_supported() is deeply broken on almost all architectures
- if (dma_supported (&intf->dev, 0xffffffffffffffffULL))
+ if (dma_supported (dev, 0xffffffffffffffffULL))
kaweth->net->features |= NETIF_F_HIGHDMA;
#endif
- SET_NETDEV_DEV(netdev, &intf->dev);
+ SET_NETDEV_DEV(netdev, dev);
if (register_netdev(netdev) != 0) {
- err("Error registering netdev.");
+ dev_err(dev, "Error registering netdev.\n");
goto err_intfdata;
}
- dev_info(&intf->dev, "kaweth interface created at %s\n",
+ dev_info(dev, "kaweth interface created at %s\n",
kaweth->net->name);
- dbg("Kaweth probe returning.");
+ dev_dbg(dev, "Kaweth probe returning.\n");
return 0;
@@ -1220,12 +1225,12 @@ static void kaweth_disconnect(struct usb_interface *intf)
usb_set_intfdata(intf, NULL);
if (!kaweth) {
- dev_warn(&intf->dev, "unregistering non-existant device\n");
+ dev_warn(&intf->dev, "unregistering non-existent device\n");
return;
}
netdev = kaweth->net;
- dbg("Unregistering net device");
+ netdev_dbg(kaweth->net, "Unregistering net device\n");
unregister_netdev(netdev);
usb_free_urb(kaweth->rx_urb);
@@ -1307,7 +1312,7 @@ static int kaweth_internal_control_msg(struct usb_device *usb_dev,
int retv;
int length = 0; /* shut up GCC */
- urb = usb_alloc_urb(0, GFP_NOIO);
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;
@@ -1323,32 +1328,4 @@ static int kaweth_internal_control_msg(struct usb_device *usb_dev,
}
}
-
-/****************************************************************
- * kaweth_init
- ****************************************************************/
-static int __init kaweth_init(void)
-{
- dbg("Driver loading");
- return usb_register(&kaweth_driver);
-}
-
-/****************************************************************
- * kaweth_exit
- ****************************************************************/
-static void __exit kaweth_exit(void)
-{
- usb_deregister(&kaweth_driver);
-}
-
-module_init(kaweth_init);
-module_exit(kaweth_exit);
-
-
-
-
-
-
-
-
-
+module_usb_driver(kaweth_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 13:15:50 +0000