summaryrefslogtreecommitdiff
path: root/drivers/net/usb/usbnet.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/usb/usbnet.c')
-rw-r--r--drivers/net/usb/usbnet.c105
1 files changed, 68 insertions, 37 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index c32284ff3f54..edfd9e10ceba 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -37,6 +37,7 @@
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/ctype.h>
#include <linux/ethtool.h>
#include <linux/workqueue.h>
#include <linux/mii.h>
@@ -156,6 +157,36 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf)
}
EXPORT_SYMBOL_GPL(usbnet_get_endpoints);
+static u8 nibble(unsigned char c)
+{
+ if (likely(isdigit(c)))
+ return c - '0';
+ c = toupper(c);
+ if (likely(isxdigit(c)))
+ return 10 + c - 'A';
+ return 0;
+}
+
+int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress)
+{
+ int tmp, i;
+ unsigned char buf [13];
+
+ tmp = usb_string(dev->udev, iMACAddress, buf, sizeof buf);
+ if (tmp != 12) {
+ dev_dbg(&dev->udev->dev,
+ "bad MAC string %d fetch, %d\n", iMACAddress, tmp);
+ if (tmp >= 0)
+ tmp = -EINVAL;
+ return tmp;
+ }
+ for (i = tmp = 0; i < 6; i++, tmp += 2)
+ dev->net->dev_addr [i] =
+ (nibble(buf [tmp]) << 4) + nibble(buf [tmp + 1]);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(usbnet_get_ethernet_addr);
+
static void intr_complete (struct urb *urb);
static int init_status (struct usbnet *dev, struct usb_interface *intf)
@@ -203,8 +234,8 @@ void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb)
int status;
skb->protocol = eth_type_trans (skb, dev->net);
- dev->stats.rx_packets++;
- dev->stats.rx_bytes += skb->len;
+ dev->net->stats.rx_packets++;
+ dev->net->stats.rx_bytes += skb->len;
if (netif_msg_rx_status (dev))
devdbg (dev, "< rx, len %zu, type 0x%x",
@@ -223,7 +254,7 @@ EXPORT_SYMBOL_GPL(usbnet_skb_return);
*
*-------------------------------------------------------------------------*/
-static int usbnet_change_mtu (struct net_device *net, int new_mtu)
+int usbnet_change_mtu (struct net_device *net, int new_mtu)
{
struct usbnet *dev = netdev_priv(net);
int ll_mtu = new_mtu + net->hard_header_len;
@@ -246,14 +277,7 @@ static int usbnet_change_mtu (struct net_device *net, int new_mtu)
return 0;
}
-
-/*-------------------------------------------------------------------------*/
-
-static struct net_device_stats *usbnet_get_stats (struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
- return &dev->stats;
-}
+EXPORT_SYMBOL_GPL(usbnet_change_mtu);
/*-------------------------------------------------------------------------*/
@@ -373,7 +397,7 @@ static inline void rx_process (struct usbnet *dev, struct sk_buff *skb)
if (netif_msg_rx_err (dev))
devdbg (dev, "drop");
error:
- dev->stats.rx_errors++;
+ dev->net->stats.rx_errors++;
skb_queue_tail (&dev->done, skb);
}
}
@@ -396,8 +420,8 @@ static void rx_complete (struct urb *urb)
case 0:
if (skb->len < dev->net->hard_header_len) {
entry->state = rx_cleanup;
- dev->stats.rx_errors++;
- dev->stats.rx_length_errors++;
+ dev->net->stats.rx_errors++;
+ dev->net->stats.rx_length_errors++;
if (netif_msg_rx_err (dev))
devdbg (dev, "rx length %d", skb->len);
}
@@ -405,11 +429,11 @@ static void rx_complete (struct urb *urb)
/* stalls need manual reset. this is rare ... except that
* when going through USB 2.0 TTs, unplug appears this way.
- * we avoid the highspeed version of the ETIMEOUT/EILSEQ
+ * we avoid the highspeed version of the ETIMEDOUT/EILSEQ
* storm, recovering as needed.
*/
case -EPIPE:
- dev->stats.rx_errors++;
+ dev->net->stats.rx_errors++;
usbnet_defer_kevent (dev, EVENT_RX_HALT);
// FALLTHROUGH
@@ -427,7 +451,7 @@ static void rx_complete (struct urb *urb)
case -EPROTO:
case -ETIME:
case -EILSEQ:
- dev->stats.rx_errors++;
+ dev->net->stats.rx_errors++;
if (!timer_pending (&dev->delay)) {
mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES);
if (netif_msg_link (dev))
@@ -441,12 +465,12 @@ block:
/* data overrun ... flush fifo? */
case -EOVERFLOW:
- dev->stats.rx_over_errors++;
+ dev->net->stats.rx_over_errors++;
// FALLTHROUGH
default:
entry->state = rx_cleanup;
- dev->stats.rx_errors++;
+ dev->net->stats.rx_errors++;
if (netif_msg_rx_err (dev))
devdbg (dev, "rx status %d", urb_status);
break;
@@ -548,7 +572,7 @@ EXPORT_SYMBOL_GPL(usbnet_unlink_rx_urbs);
// precondition: never called in_interrupt
-static int usbnet_stop (struct net_device *net)
+int usbnet_stop (struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
int temp;
@@ -559,8 +583,8 @@ static int usbnet_stop (struct net_device *net)
if (netif_msg_ifdown (dev))
devinfo (dev, "stop stats: rx/tx %ld/%ld, errs %ld/%ld",
- dev->stats.rx_packets, dev->stats.tx_packets,
- dev->stats.rx_errors, dev->stats.tx_errors
+ net->stats.rx_packets, net->stats.tx_packets,
+ net->stats.rx_errors, net->stats.tx_errors
);
// ensure there are no more active urbs
@@ -592,6 +616,7 @@ static int usbnet_stop (struct net_device *net)
return 0;
}
+EXPORT_SYMBOL_GPL(usbnet_stop);
/*-------------------------------------------------------------------------*/
@@ -599,7 +624,7 @@ static int usbnet_stop (struct net_device *net)
// precondition: never called in_interrupt
-static int usbnet_open (struct net_device *net)
+int usbnet_open (struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
int retval;
@@ -674,6 +699,7 @@ done:
done_nopm:
return retval;
}
+EXPORT_SYMBOL_GPL(usbnet_open);
/*-------------------------------------------------------------------------*/
@@ -865,10 +891,10 @@ static void tx_complete (struct urb *urb)
struct usbnet *dev = entry->dev;
if (urb->status == 0) {
- dev->stats.tx_packets++;
- dev->stats.tx_bytes += entry->length;
+ dev->net->stats.tx_packets++;
+ dev->net->stats.tx_bytes += entry->length;
} else {
- dev->stats.tx_errors++;
+ dev->net->stats.tx_errors++;
switch (urb->status) {
case -EPIPE:
@@ -908,7 +934,7 @@ static void tx_complete (struct urb *urb)
/*-------------------------------------------------------------------------*/
-static void usbnet_tx_timeout (struct net_device *net)
+void usbnet_tx_timeout (struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
@@ -917,10 +943,11 @@ static void usbnet_tx_timeout (struct net_device *net)
// FIXME: device recovery -- reset?
}
+EXPORT_SYMBOL_GPL(usbnet_tx_timeout);
/*-------------------------------------------------------------------------*/
-static int usbnet_start_xmit (struct sk_buff *skb, struct net_device *net)
+int usbnet_start_xmit (struct sk_buff *skb, struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
int length;
@@ -993,7 +1020,7 @@ static int usbnet_start_xmit (struct sk_buff *skb, struct net_device *net)
devdbg (dev, "drop, code %d", retval);
drop:
retval = NET_XMIT_SUCCESS;
- dev->stats.tx_dropped++;
+ dev->net->stats.tx_dropped++;
if (skb)
dev_kfree_skb_any (skb);
usb_free_urb (urb);
@@ -1003,7 +1030,7 @@ drop:
}
return retval;
}
-
+EXPORT_SYMBOL_GPL(usbnet_start_xmit);
/*-------------------------------------------------------------------------*/
@@ -1110,6 +1137,15 @@ void usbnet_disconnect (struct usb_interface *intf)
}
EXPORT_SYMBOL_GPL(usbnet_disconnect);
+static const struct net_device_ops usbnet_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
/*-------------------------------------------------------------------------*/
@@ -1175,17 +1211,12 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
#if 0
// dma_supported() is deeply broken on almost all architectures
// possible with some EHCI controllers
- if (dma_supported (&udev->dev, DMA_64BIT_MASK))
+ if (dma_supported (&udev->dev, DMA_BIT_MASK(64)))
net->features |= NETIF_F_HIGHDMA;
#endif
- net->change_mtu = usbnet_change_mtu;
- net->get_stats = usbnet_get_stats;
- net->hard_start_xmit = usbnet_start_xmit;
- net->open = usbnet_open;
- net->stop = usbnet_stop;
+ net->netdev_ops = &usbnet_netdev_ops;
net->watchdog_timeo = TX_TIMEOUT_JIFFIES;
- net->tx_timeout = usbnet_tx_timeout;
net->ethtool_ops = &usbnet_ethtool_ops;
// allow device-specific bind/init procedures
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-14 22:39:16 +0000