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path: root/drivers/net/usb
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Diffstat (limited to 'drivers/net/usb')
-rw-r--r--drivers/net/usb/hso.c91
-rw-r--r--drivers/net/usb/r8152.c132
-rw-r--r--drivers/net/usb/usbnet.c17
3 files changed, 142 insertions, 98 deletions
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 9c5aa922a9f4..7833bd1d9791 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -58,7 +58,6 @@
#include <linux/module.h>
#include <linux/ethtool.h>
#include <linux/usb.h>
-#include <linux/timer.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
@@ -154,6 +153,7 @@ struct hso_net {
struct hso_device *parent;
struct net_device *net;
struct rfkill *rfkill;
+ char name[24];
struct usb_endpoint_descriptor *in_endp;
struct usb_endpoint_descriptor *out_endp;
@@ -274,7 +274,6 @@ struct hso_device {
u8 usb_gone;
struct work_struct async_get_intf;
struct work_struct async_put_intf;
- struct work_struct reset_device;
struct usb_device *usb;
struct usb_interface *interface;
@@ -340,7 +339,6 @@ static void async_put_intf(struct work_struct *data);
static int hso_put_activity(struct hso_device *hso_dev);
static int hso_get_activity(struct hso_device *hso_dev);
static void tiocmget_intr_callback(struct urb *urb);
-static void reset_device(struct work_struct *data);
/*****************************************************************************/
/* Helping functions */
/*****************************************************************************/
@@ -696,7 +694,7 @@ static void handle_usb_error(int status, const char *function,
case -ETIMEDOUT:
explanation = "protocol error";
if (hso_dev)
- schedule_work(&hso_dev->reset_device);
+ usb_queue_reset_device(hso_dev->interface);
break;
default:
explanation = "unknown status";
@@ -1271,7 +1269,6 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
goto err_out;
D1("Opening %d", serial->minor);
- kref_get(&serial->parent->ref);
/* setup */
tty->driver_data = serial;
@@ -1290,7 +1287,8 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
if (result) {
hso_stop_serial_device(serial->parent);
serial->port.count--;
- kref_put(&serial->parent->ref, hso_serial_ref_free);
+ } else {
+ kref_get(&serial->parent->ref);
}
} else {
D1("Port was already open");
@@ -1340,8 +1338,6 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp)
usb_autopm_put_interface(serial->parent->interface);
mutex_unlock(&serial->parent->mutex);
-
- kref_put(&serial->parent->ref, hso_serial_ref_free);
}
/* close the requested serial port */
@@ -1392,6 +1388,16 @@ static int hso_serial_write_room(struct tty_struct *tty)
return room;
}
+static void hso_serial_cleanup(struct tty_struct *tty)
+{
+ struct hso_serial *serial = tty->driver_data;
+
+ if (!serial)
+ return;
+
+ kref_put(&serial->parent->ref, hso_serial_ref_free);
+}
+
/* setup the term */
static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old)
{
@@ -2198,8 +2204,8 @@ static int hso_stop_serial_device(struct hso_device *hso_dev)
for (i = 0; i < serial->num_rx_urbs; i++) {
if (serial->rx_urb[i]) {
- usb_kill_urb(serial->rx_urb[i]);
- serial->rx_urb_filled[i] = 0;
+ usb_kill_urb(serial->rx_urb[i]);
+ serial->rx_urb_filled[i] = 0;
}
}
serial->curr_rx_urb_idx = 0;
@@ -2228,14 +2234,17 @@ static int hso_stop_serial_device(struct hso_device *hso_dev)
return 0;
}
-static void hso_serial_common_free(struct hso_serial *serial)
+static void hso_serial_tty_unregister(struct hso_serial *serial)
{
- int i;
-
if (serial->parent->dev)
device_remove_file(serial->parent->dev, &dev_attr_hsotype);
tty_unregister_device(tty_drv, serial->minor);
+}
+
+static void hso_serial_common_free(struct hso_serial *serial)
+{
+ int i;
for (i = 0; i < serial->num_rx_urbs; i++) {
/* unlink and free RX URB */
@@ -2246,6 +2255,7 @@ static void hso_serial_common_free(struct hso_serial *serial)
/* unlink and free TX URB */
usb_free_urb(serial->tx_urb);
+ kfree(serial->tx_buffer);
kfree(serial->tx_data);
tty_port_destroy(&serial->port);
}
@@ -2316,6 +2326,7 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
return 0;
exit:
+ hso_serial_tty_unregister(serial);
hso_serial_common_free(serial);
return -1;
}
@@ -2338,7 +2349,6 @@ static struct hso_device *hso_create_device(struct usb_interface *intf,
INIT_WORK(&hso_dev->async_get_intf, async_get_intf);
INIT_WORK(&hso_dev->async_put_intf, async_put_intf);
- INIT_WORK(&hso_dev->reset_device, reset_device);
return hso_dev;
}
@@ -2459,27 +2469,21 @@ static void hso_create_rfkill(struct hso_device *hso_dev,
{
struct hso_net *hso_net = dev2net(hso_dev);
struct device *dev = &hso_net->net->dev;
- char *rfkn;
+ static u32 rfkill_counter;
- rfkn = kzalloc(20, GFP_KERNEL);
- if (!rfkn)
- dev_err(dev, "%s - Out of memory\n", __func__);
-
- snprintf(rfkn, 20, "hso-%d",
- interface->altsetting->desc.bInterfaceNumber);
+ snprintf(hso_net->name, sizeof(hso_net->name), "hso-%d",
+ rfkill_counter++);
- hso_net->rfkill = rfkill_alloc(rfkn,
+ hso_net->rfkill = rfkill_alloc(hso_net->name,
&interface_to_usbdev(interface)->dev,
RFKILL_TYPE_WWAN,
&hso_rfkill_ops, hso_dev);
if (!hso_net->rfkill) {
dev_err(dev, "%s - Out of memory\n", __func__);
- kfree(rfkn);
return;
}
if (rfkill_register(hso_net->rfkill) < 0) {
rfkill_destroy(hso_net->rfkill);
- kfree(rfkn);
hso_net->rfkill = NULL;
dev_err(dev, "%s - Failed to register rfkill\n", __func__);
return;
@@ -2594,7 +2598,6 @@ static void hso_free_serial_device(struct hso_device *hso_dev)
if (!serial)
return;
- set_serial_by_index(serial->minor, NULL);
hso_serial_common_free(serial);
@@ -2684,6 +2687,7 @@ static struct hso_device *hso_create_bulk_serial_device(
return hso_dev;
exit2:
+ hso_serial_tty_unregister(serial);
hso_serial_common_free(serial);
exit:
hso_free_tiomget(serial);
@@ -3083,26 +3087,6 @@ out:
return result;
}
-static void reset_device(struct work_struct *data)
-{
- struct hso_device *hso_dev =
- container_of(data, struct hso_device, reset_device);
- struct usb_device *usb = hso_dev->usb;
- int result;
-
- if (hso_dev->usb_gone) {
- D1("No reset during disconnect\n");
- } else {
- result = usb_lock_device_for_reset(usb, hso_dev->interface);
- if (result < 0)
- D1("unable to lock device for reset: %d\n", result);
- else {
- usb_reset_device(usb);
- usb_unlock_device(usb);
- }
- }
-}
-
static void hso_serial_ref_free(struct kref *ref)
{
struct hso_device *hso_dev = container_of(ref, struct hso_device, ref);
@@ -3112,18 +3096,22 @@ static void hso_serial_ref_free(struct kref *ref)
static void hso_free_interface(struct usb_interface *interface)
{
- struct hso_serial *hso_dev;
+ struct hso_serial *serial;
int i;
for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) {
if (serial_table[i] &&
(serial_table[i]->interface == interface)) {
- hso_dev = dev2ser(serial_table[i]);
- tty_port_tty_hangup(&hso_dev->port, false);
- mutex_lock(&hso_dev->parent->mutex);
- hso_dev->parent->usb_gone = 1;
- mutex_unlock(&hso_dev->parent->mutex);
+ serial = dev2ser(serial_table[i]);
+ tty_port_tty_hangup(&serial->port, false);
+ mutex_lock(&serial->parent->mutex);
+ serial->parent->usb_gone = 1;
+ mutex_unlock(&serial->parent->mutex);
+ cancel_work_sync(&serial_table[i]->async_put_intf);
+ cancel_work_sync(&serial_table[i]->async_get_intf);
+ hso_serial_tty_unregister(serial);
kref_put(&serial_table[i]->ref, hso_serial_ref_free);
+ set_serial_by_index(i, NULL);
}
}
@@ -3215,6 +3203,7 @@ static const struct tty_operations hso_serial_ops = {
.close = hso_serial_close,
.write = hso_serial_write,
.write_room = hso_serial_write_room,
+ .cleanup = hso_serial_cleanup,
.ioctl = hso_serial_ioctl,
.set_termios = hso_serial_set_termios,
.chars_in_buffer = hso_serial_chars_in_buffer,
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index bf405f134d3a..b74a272243ae 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -27,7 +27,7 @@
#include <linux/usb/cdc.h>
/* Version Information */
-#define DRIVER_VERSION "v1.07.0 (2014/10/09)"
+#define DRIVER_VERSION "v1.08.0 (2015/01/13)"
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
#define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
#define MODULENAME "r8152"
@@ -448,6 +448,7 @@ enum rtl_register_content {
#define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN)
#define RTL8153_RMS RTL8153_MAX_PACKET
#define RTL8152_TX_TIMEOUT (5 * HZ)
+#define RTL8152_NAPI_WEIGHT 64
/* rtl8152 flags */
enum rtl8152_flags {
@@ -457,7 +458,7 @@ enum rtl8152_flags {
RTL8152_LINK_CHG,
SELECTIVE_SUSPEND,
PHY_RESET,
- SCHEDULE_TASKLET,
+ SCHEDULE_NAPI,
};
/* Define these values to match your device */
@@ -549,14 +550,14 @@ struct tx_agg {
struct r8152 {
unsigned long flags;
struct usb_device *udev;
- struct tasklet_struct tl;
+ struct napi_struct napi;
struct usb_interface *intf;
struct net_device *netdev;
struct urb *intr_urb;
struct tx_agg tx_info[RTL8152_MAX_TX];
struct rx_agg rx_info[RTL8152_MAX_RX];
struct list_head rx_done, tx_free;
- struct sk_buff_head tx_queue;
+ struct sk_buff_head tx_queue, rx_queue;
spinlock_t rx_lock, tx_lock;
struct delayed_work schedule;
struct mii_if_info mii;
@@ -1050,7 +1051,7 @@ static void read_bulk_callback(struct urb *urb)
spin_lock(&tp->rx_lock);
list_add_tail(&agg->list, &tp->rx_done);
spin_unlock(&tp->rx_lock);
- tasklet_schedule(&tp->tl);
+ napi_schedule(&tp->napi);
return;
case -ESHUTDOWN:
set_bit(RTL8152_UNPLUG, &tp->flags);
@@ -1114,7 +1115,7 @@ static void write_bulk_callback(struct urb *urb)
return;
if (!skb_queue_empty(&tp->tx_queue))
- tasklet_schedule(&tp->tl);
+ napi_schedule(&tp->napi);
}
static void intr_callback(struct urb *urb)
@@ -1233,6 +1234,7 @@ static int alloc_all_mem(struct r8152 *tp)
spin_lock_init(&tp->tx_lock);
INIT_LIST_HEAD(&tp->tx_free);
skb_queue_head_init(&tp->tx_queue);
+ skb_queue_head_init(&tp->rx_queue);
for (i = 0; i < RTL8152_MAX_RX; i++) {
buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
@@ -1409,10 +1411,10 @@ static int msdn_giant_send_check(struct sk_buff *skb)
static inline void rtl_tx_vlan_tag(struct tx_desc *desc, struct sk_buff *skb)
{
- if (vlan_tx_tag_present(skb)) {
+ if (skb_vlan_tag_present(skb)) {
u32 opts2;
- opts2 = TX_VLAN_TAG | swab16(vlan_tx_tag_get(skb));
+ opts2 = TX_VLAN_TAG | swab16(skb_vlan_tag_get(skb));
desc->opts2 |= cpu_to_le32(opts2);
}
}
@@ -1637,13 +1639,32 @@ return_result:
return checksum;
}
-static void rx_bottom(struct r8152 *tp)
+static int rx_bottom(struct r8152 *tp, int budget)
{
unsigned long flags;
struct list_head *cursor, *next, rx_queue;
+ int work_done = 0;
+
+ if (!skb_queue_empty(&tp->rx_queue)) {
+ while (work_done < budget) {
+ struct sk_buff *skb = __skb_dequeue(&tp->rx_queue);
+ struct net_device *netdev = tp->netdev;
+ struct net_device_stats *stats = &netdev->stats;
+ unsigned int pkt_len;
+
+ if (!skb)
+ break;
+
+ pkt_len = skb->len;
+ napi_gro_receive(&tp->napi, skb);
+ work_done++;
+ stats->rx_packets++;
+ stats->rx_bytes += pkt_len;
+ }
+ }
if (list_empty(&tp->rx_done))
- return;
+ goto out1;
INIT_LIST_HEAD(&rx_queue);
spin_lock_irqsave(&tp->rx_lock, flags);
@@ -1696,9 +1717,14 @@ static void rx_bottom(struct r8152 *tp)
skb_put(skb, pkt_len);
skb->protocol = eth_type_trans(skb, netdev);
rtl_rx_vlan_tag(rx_desc, skb);
- netif_receive_skb(skb);
- stats->rx_packets++;
- stats->rx_bytes += pkt_len;
+ if (work_done < budget) {
+ napi_gro_receive(&tp->napi, skb);
+ work_done++;
+ stats->rx_packets++;
+ stats->rx_bytes += pkt_len;
+ } else {
+ __skb_queue_tail(&tp->rx_queue, skb);
+ }
find_next_rx:
rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE);
@@ -1710,6 +1736,9 @@ find_next_rx:
submit:
r8152_submit_rx(tp, agg, GFP_ATOMIC);
}
+
+out1:
+ return work_done;
}
static void tx_bottom(struct r8152 *tp)
@@ -1749,12 +1778,8 @@ static void tx_bottom(struct r8152 *tp)
} while (res == 0);
}
-static void bottom_half(unsigned long data)
+static void bottom_half(struct r8152 *tp)
{
- struct r8152 *tp;
-
- tp = (struct r8152 *)data;
-
if (test_bit(RTL8152_UNPLUG, &tp->flags))
return;
@@ -1766,17 +1791,38 @@ static void bottom_half(unsigned long data)
if (!netif_carrier_ok(tp->netdev))
return;
- clear_bit(SCHEDULE_TASKLET, &tp->flags);
+ clear_bit(SCHEDULE_NAPI, &tp->flags);
- rx_bottom(tp);
tx_bottom(tp);
}
+static int r8152_poll(struct napi_struct *napi, int budget)
+{
+ struct r8152 *tp = container_of(napi, struct r8152, napi);
+ int work_done;
+
+ work_done = rx_bottom(tp, budget);
+ bottom_half(tp);
+
+ if (work_done < budget) {
+ napi_complete(napi);
+ if (!list_empty(&tp->rx_done))
+ napi_schedule(napi);
+ }
+
+ return work_done;
+}
+
static
int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
{
int ret;
+ /* The rx would be stopped, so skip submitting */
+ if (test_bit(RTL8152_UNPLUG, &tp->flags) ||
+ !test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev))
+ return 0;
+
usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
agg->head, agg_buf_sz,
(usb_complete_t)read_bulk_callback, agg);
@@ -1793,7 +1839,11 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
spin_lock_irqsave(&tp->rx_lock, flags);
list_add_tail(&agg->list, &tp->rx_done);
spin_unlock_irqrestore(&tp->rx_lock, flags);
- tasklet_schedule(&tp->tl);
+
+ netif_err(tp, rx_err, tp->netdev,
+ "Couldn't submit rx[%p], ret = %d\n", agg, ret);
+
+ napi_schedule(&tp->napi);
}
return ret;
@@ -1912,11 +1962,11 @@ static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
if (!list_empty(&tp->tx_free)) {
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
- set_bit(SCHEDULE_TASKLET, &tp->flags);
+ set_bit(SCHEDULE_NAPI, &tp->flags);
schedule_delayed_work(&tp->schedule, 0);
} else {
usb_mark_last_busy(tp->udev);
- tasklet_schedule(&tp->tl);
+ napi_schedule(&tp->napi);
}
} else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) {
netif_stop_queue(netdev);
@@ -1995,6 +2045,7 @@ static int rtl_start_rx(struct r8152 *tp)
{
int i, ret = 0;
+ napi_disable(&tp->napi);
INIT_LIST_HEAD(&tp->rx_done);
for (i = 0; i < RTL8152_MAX_RX; i++) {
INIT_LIST_HEAD(&tp->rx_info[i].list);
@@ -2002,6 +2053,7 @@ static int rtl_start_rx(struct r8152 *tp)
if (ret)
break;
}
+ napi_enable(&tp->napi);
if (ret && ++i < RTL8152_MAX_RX) {
struct list_head rx_queue;
@@ -2032,6 +2084,9 @@ static int rtl_stop_rx(struct r8152 *tp)
for (i = 0; i < RTL8152_MAX_RX; i++)
usb_kill_urb(tp->rx_info[i].urb);
+ while (!skb_queue_empty(&tp->rx_queue))
+ dev_kfree_skb(__skb_dequeue(&tp->rx_queue));
+
return 0;
}
@@ -2047,7 +2102,7 @@ static int rtl_enable(struct r8152 *tp)
rxdy_gated_en(tp, false);
- return rtl_start_rx(tp);
+ return 0;
}
static int rtl8152_enable(struct r8152 *tp)
@@ -2856,13 +2911,14 @@ static void set_carrier(struct r8152 *tp)
tp->rtl_ops.enable(tp);
set_bit(RTL8152_SET_RX_MODE, &tp->flags);
netif_carrier_on(netdev);
+ rtl_start_rx(tp);
}
} else {
if (tp->speed & LINK_STATUS) {
netif_carrier_off(netdev);
- tasklet_disable(&tp->tl);
+ napi_disable(&tp->napi);
tp->rtl_ops.disable(tp);
- tasklet_enable(&tp->tl);
+ napi_enable(&tp->napi);
}
}
tp->speed = speed;
@@ -2895,10 +2951,11 @@ static void rtl_work_func_t(struct work_struct *work)
if (test_bit(RTL8152_SET_RX_MODE, &tp->flags))
_rtl8152_set_rx_mode(tp->netdev);
- if (test_bit(SCHEDULE_TASKLET, &tp->flags) &&
+ /* don't schedule napi before linking */
+ if (test_bit(SCHEDULE_NAPI, &tp->flags) &&
(tp->speed & LINK_STATUS)) {
- clear_bit(SCHEDULE_TASKLET, &tp->flags);
- tasklet_schedule(&tp->tl);
+ clear_bit(SCHEDULE_NAPI, &tp->flags);
+ napi_schedule(&tp->napi);
}
if (test_bit(PHY_RESET, &tp->flags))
@@ -2959,7 +3016,7 @@ static int rtl8152_open(struct net_device *netdev)
res);
free_all_mem(tp);
} else {
- tasklet_enable(&tp->tl);
+ napi_enable(&tp->napi);
}
mutex_unlock(&tp->control);
@@ -2975,7 +3032,7 @@ static int rtl8152_close(struct net_device *netdev)
struct r8152 *tp = netdev_priv(netdev);
int res = 0;
- tasklet_disable(&tp->tl);
+ napi_disable(&tp->napi);
clear_bit(WORK_ENABLE, &tp->flags);
usb_kill_urb(tp->intr_urb);
cancel_delayed_work_sync(&tp->schedule);
@@ -2984,6 +3041,7 @@ static int rtl8152_close(struct net_device *netdev)
res = usb_autopm_get_interface(tp->intf);
if (res < 0) {
rtl_drop_queued_tx(tp);
+ rtl_stop_rx(tp);
} else {
mutex_lock(&tp->control);
@@ -3239,7 +3297,7 @@ static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
clear_bit(WORK_ENABLE, &tp->flags);
usb_kill_urb(tp->intr_urb);
- tasklet_disable(&tp->tl);
+ napi_disable(&tp->napi);
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
rtl_stop_rx(tp);
rtl_runtime_suspend_enable(tp, true);
@@ -3247,7 +3305,7 @@ static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
cancel_delayed_work_sync(&tp->schedule);
tp->rtl_ops.down(tp);
}
- tasklet_enable(&tp->tl);
+ napi_enable(&tp->napi);
}
out1:
mutex_unlock(&tp->control);
@@ -3831,7 +3889,6 @@ static int rtl8152_probe(struct usb_interface *intf,
if (ret)
goto out;
- tasklet_init(&tp->tl, bottom_half, (unsigned long)tp);
mutex_init(&tp->control);
INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t);
@@ -3867,6 +3924,7 @@ static int rtl8152_probe(struct usb_interface *intf,
set_ethernet_addr(tp);
usb_set_intfdata(intf, tp);
+ netif_napi_add(netdev, &tp->napi, r8152_poll, RTL8152_NAPI_WEIGHT);
ret = register_netdev(netdev);
if (ret != 0) {
@@ -3880,15 +3938,13 @@ static int rtl8152_probe(struct usb_interface *intf,
else
device_set_wakeup_enable(&udev->dev, false);
- tasklet_disable(&tp->tl);
-
netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);
return 0;
out1:
+ netif_napi_del(&tp->napi);
usb_set_intfdata(intf, NULL);
- tasklet_kill(&tp->tl);
out:
free_netdev(netdev);
return ret;
@@ -3905,7 +3961,7 @@ static void rtl8152_disconnect(struct usb_interface *intf)
if (udev->state == USB_STATE_NOTATTACHED)
set_bit(RTL8152_UNPLUG, &tp->flags);
- tasklet_kill(&tp->tl);
+ netif_napi_del(&tp->napi);
unregister_netdev(tp->netdev);
tp->rtl_ops.unload(tp);
free_netdev(tp->netdev);
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 3a6770a65d78..449835f4331e 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -160,20 +160,19 @@ EXPORT_SYMBOL_GPL(usbnet_get_endpoints);
int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress)
{
- int tmp, i;
+ int tmp = -1, ret;
unsigned char buf [13];
- tmp = usb_string(dev->udev, iMACAddress, buf, sizeof buf);
- if (tmp != 12) {
+ ret = usb_string(dev->udev, iMACAddress, buf, sizeof buf);
+ if (ret == 12)
+ tmp = hex2bin(dev->net->dev_addr, buf, 6);
+ if (tmp < 0) {
dev_dbg(&dev->udev->dev,
"bad MAC string %d fetch, %d\n", iMACAddress, tmp);
- if (tmp >= 0)
- tmp = -EINVAL;
- return tmp;
+ if (ret >= 0)
+ ret = -EINVAL;
+ return ret;
}
- for (i = tmp = 0; i < 6; i++, tmp += 2)
- dev->net->dev_addr [i] =
- (hex_to_bin(buf[tmp]) << 4) + hex_to_bin(buf[tmp + 1]);
return 0;
}
EXPORT_SYMBOL_GPL(usbnet_get_ethernet_addr);
generated by cgit v1.2.3 (git 2.0.4) at 2024-10-24 21:25:43 +0000