| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Tue, 3 May 2011 11:17:57 -0700
From: Joe Perches <joe@...ches.com>
To: Oliver Neukum <oneukum@...e.de>,
David Brownell <dbrownell@...rs.sourceforge.net>,
Greg Kroah-Hartman <gregkh@...e.de>
Cc: netdev@...r.kernel.org, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] usbnet: Style cleanups
Just general neatening.
Remove spaces before function open parentheses.
Add spaces around sizeof uses.
Convert c99 comments to /* */
Hoist assigns from if where appropriate.
Signed-off-by: Joe Perches <joe@...ches.com>
---
drivers/net/usb/usbnet.c | 625 +++++++++++++++++++++++----------------------
1 files changed, 319 insertions(+), 306 deletions(-)
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 7bc9852..28aecbb 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -30,8 +30,8 @@
* issues can usefully be addressed by this framework.
*/
-// #define DEBUG // error path messages, extra info
-// #define VERBOSE // more; success messages
+/* #define DEBUG // error path messages, extra info */
+/* #define VERBOSE // more; success messages */
#include <linux/module.h>
#include <linux/init.h>
@@ -64,32 +64,31 @@
* is required, under load. Jumbograms change the equation.
*/
#define RX_MAX_QUEUE_MEMORY (60 * 1518)
-#define RX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \
- (RX_MAX_QUEUE_MEMORY/(dev)->rx_urb_size) : 4)
-#define TX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \
- (RX_MAX_QUEUE_MEMORY/(dev)->hard_mtu) : 4)
+#define RX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \
+ (RX_MAX_QUEUE_MEMORY/(dev)->rx_urb_size) : 4)
+#define TX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \
+ (RX_MAX_QUEUE_MEMORY/(dev)->hard_mtu) : 4)
-// reawaken network queue this soon after stopping; else watchdog barks
+/* reawaken network queue this soon after stopping; else watchdog barks */
#define TX_TIMEOUT_JIFFIES (5*HZ)
-// throttle rx/tx briefly after some faults, so khubd might disconnect()
-// us (it polls at HZ/4 usually) before we report too many false errors.
+/* throttle rx/tx briefly after some faults, so khubd might disconnect()
+ * us (it polls at HZ/4 usually) before we report too many false errors.
+ */
#define THROTTLE_JIFFIES (HZ/8)
-// between wakeups
-#define UNLINK_TIMEOUT_MS 3
+#define UNLINK_TIMEOUT_MS 3 /* between wakeups */
/*-------------------------------------------------------------------------*/
-// randomly generated ethernet address
-static u8 node_id [ETH_ALEN];
+static u8 node_id[ETH_ALEN]; /* randomly generated ethernet address */
-static const char driver_name [] = "usbnet";
+static const char driver_name[] = "usbnet";
/* use ethtool to change the level for any given device */
static int msg_level = -1;
-module_param (msg_level, int, 0);
-MODULE_PARM_DESC (msg_level, "Override default message level");
+module_param(msg_level, int, 0);
+MODULE_PARM_DESC(msg_level, "Override default message level");
/*-------------------------------------------------------------------------*/
@@ -145,15 +144,15 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf)
if (alt->desc.bAlternateSetting != 0 ||
!(dev->driver_info->flags & FLAG_NO_SETINT)) {
- tmp = usb_set_interface (dev->udev, alt->desc.bInterfaceNumber,
- alt->desc.bAlternateSetting);
+ tmp = usb_set_interface(dev->udev, alt->desc.bInterfaceNumber,
+ alt->desc.bAlternateSetting);
if (tmp < 0)
return tmp;
}
- dev->in = usb_rcvbulkpipe (dev->udev,
+ dev->in = usb_rcvbulkpipe(dev->udev,
in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
- dev->out = usb_sndbulkpipe (dev->udev,
+ dev->out = usb_sndbulkpipe(dev->udev,
out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
dev->status = status;
return 0;
@@ -162,27 +161,27 @@ EXPORT_SYMBOL_GPL(usbnet_get_endpoints);
int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress)
{
- int tmp, i;
- unsigned char buf [13];
+ int tmp, i;
+ unsigned char buf[13];
- tmp = usb_string(dev->udev, iMACAddress, buf, sizeof buf);
+ 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);
+ 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] =
+ 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);
-static void intr_complete (struct urb *urb);
+static void intr_complete(struct urb *urb);
-static int init_status (struct usbnet *dev, struct usb_interface *intf)
+static int init_status(struct usbnet *dev, struct usb_interface *intf)
{
char *buf = NULL;
unsigned pipe = 0;
@@ -192,24 +191,24 @@ static int init_status (struct usbnet *dev, struct usb_interface *intf)
if (!dev->driver_info->status)
return 0;
- pipe = usb_rcvintpipe (dev->udev,
- dev->status->desc.bEndpointAddress
- & USB_ENDPOINT_NUMBER_MASK);
- maxp = usb_maxpacket (dev->udev, pipe, 0);
+ pipe = usb_rcvintpipe(dev->udev,
+ dev->status->desc.bEndpointAddress
+ & USB_ENDPOINT_NUMBER_MASK);
+ maxp = usb_maxpacket(dev->udev, pipe, 0);
/* avoid 1 msec chatter: min 8 msec poll rate */
- period = max ((int) dev->status->desc.bInterval,
- (dev->udev->speed == USB_SPEED_HIGH) ? 7 : 3);
+ period = max((int)dev->status->desc.bInterval,
+ (dev->udev->speed == USB_SPEED_HIGH) ? 7 : 3);
- buf = kmalloc (maxp, GFP_KERNEL);
+ buf = kmalloc(maxp, GFP_KERNEL);
if (buf) {
- dev->interrupt = usb_alloc_urb (0, GFP_KERNEL);
+ dev->interrupt = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->interrupt) {
- kfree (buf);
+ kfree(buf);
return -ENOMEM;
} else {
usb_fill_int_urb(dev->interrupt, dev->udev, pipe,
- buf, maxp, intr_complete, dev, period);
+ buf, maxp, intr_complete, dev, period);
dev_dbg(&intf->dev,
"status ep%din, %d bytes period %d\n",
usb_pipeendpoint(pipe), maxp, period);
@@ -222,7 +221,7 @@ static int init_status (struct usbnet *dev, struct usb_interface *intf)
* Some link protocols batch packets, so their rx_fixup paths
* can return clones as well as just modify the original skb.
*/
-void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb)
+void usbnet_skb_return(struct usbnet *dev, struct sk_buff *skb)
{
int status;
@@ -231,28 +230,27 @@ void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb)
return;
}
- skb->protocol = eth_type_trans (skb, dev->net);
+ skb->protocol = eth_type_trans(skb, dev->net);
dev->net->stats.rx_packets++;
dev->net->stats.rx_bytes += skb->len;
netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n",
- skb->len + sizeof (struct ethhdr), skb->protocol);
- memset (skb->cb, 0, sizeof (struct skb_data));
- status = netif_rx (skb);
+ skb->len + sizeof(struct ethhdr), skb->protocol);
+ memset(skb->cb, 0, sizeof(struct skb_data));
+ status = netif_rx(skb);
if (status != NET_RX_SUCCESS)
netif_dbg(dev, rx_err, dev->net,
"netif_rx status %d\n", status);
}
EXPORT_SYMBOL_GPL(usbnet_skb_return);
-.
/*-------------------------------------------------------------------------
*
* Network Device Driver (peer link to "Host Device", from USB host)
*
*-------------------------------------------------------------------------*/
-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;
@@ -261,7 +259,7 @@ int usbnet_change_mtu (struct net_device *net, int new_mtu)
if (new_mtu <= 0)
return -EINVAL;
- // no second zero-length packet read wanted after mtu-sized packets
+ /* no second zero-length packet read wanted after mtu-sized packets */
if ((ll_mtu % dev->maxpacket) == 0)
return -EDOM;
net->mtu = new_mtu;
@@ -283,7 +281,8 @@ EXPORT_SYMBOL_GPL(usbnet_change_mtu);
* completion callbacks. 2.5 should have fixed those bugs...
*/
-static void defer_bh(struct usbnet *dev, struct sk_buff *skb, struct sk_buff_head *list)
+static void
+defer_bh(struct usbnet *dev, struct sk_buff *skb, struct sk_buff_head *list)
{
unsigned long flags;
@@ -302,10 +301,10 @@ static void defer_bh(struct usbnet *dev, struct sk_buff *skb, struct sk_buff_hea
* NOTE: annoying asymmetry: if it's active, schedule_work() fails,
* but tasklet_schedule() doesn't. hope the failure is rare.
*/
-void usbnet_defer_kevent (struct usbnet *dev, int work)
+void usbnet_defer_kevent(struct usbnet *dev, int work)
{
- set_bit (work, &dev->flags);
- if (!schedule_work (&dev->kevent))
+ set_bit(work, &dev->flags);
+ if (!schedule_work(&dev->kevent))
netdev_err(dev->net, "kevent %d may have been dropped\n", work);
else
netdev_dbg(dev->net, "kevent %d scheduled\n", work);
@@ -314,9 +313,9 @@ EXPORT_SYMBOL_GPL(usbnet_defer_kevent);
/*-------------------------------------------------------------------------*/
-static void rx_complete (struct urb *urb);
+static void rx_complete(struct urb *urb);
-static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
+static int rx_submit(struct usbnet *dev, struct urb *urb, gfp_t flags)
{
struct sk_buff *skb;
struct skb_data *entry;
@@ -324,39 +323,40 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
unsigned long lockflags;
size_t size = dev->rx_urb_size;
- if ((skb = alloc_skb (size + NET_IP_ALIGN, flags)) == NULL) {
+ skb = alloc_skb(size + NET_IP_ALIGN, flags);
+ if (!skb) {
netif_dbg(dev, rx_err, dev->net, "no rx skb\n");
- usbnet_defer_kevent (dev, EVENT_RX_MEMORY);
- usb_free_urb (urb);
+ usbnet_defer_kevent(dev, EVENT_RX_MEMORY);
+ usb_free_urb(urb);
return -ENOMEM;
}
- skb_reserve (skb, NET_IP_ALIGN);
+ skb_reserve(skb, NET_IP_ALIGN);
- entry = (struct skb_data *) skb->cb;
+ entry = (struct skb_data *)skb->cb;
entry->urb = urb;
entry->dev = dev;
entry->state = rx_start;
entry->length = 0;
- usb_fill_bulk_urb (urb, dev->udev, dev->in,
- skb->data, size, rx_complete, skb);
+ usb_fill_bulk_urb(urb, dev->udev, dev->in,
+ skb->data, size, rx_complete, skb);
- spin_lock_irqsave (&dev->rxq.lock, lockflags);
+ spin_lock_irqsave(&dev->rxq.lock, lockflags);
- if (netif_running (dev->net) &&
- netif_device_present (dev->net) &&
- !test_bit (EVENT_RX_HALT, &dev->flags) &&
- !test_bit (EVENT_DEV_ASLEEP, &dev->flags)) {
- switch (retval = usb_submit_urb (urb, GFP_ATOMIC)) {
+ if (netif_running(dev->net) &&
+ netif_device_present(dev->net) &&
+ !test_bit(EVENT_RX_HALT, &dev->flags) &&
+ !test_bit(EVENT_DEV_ASLEEP, &dev->flags)) {
+ switch (retval = usb_submit_urb(urb, GFP_ATOMIC)) {
case -EPIPE:
- usbnet_defer_kevent (dev, EVENT_RX_HALT);
+ usbnet_defer_kevent(dev, EVENT_RX_HALT);
break;
case -ENOMEM:
- usbnet_defer_kevent (dev, EVENT_RX_MEMORY);
+ usbnet_defer_kevent(dev, EVENT_RX_MEMORY);
break;
case -ENODEV:
netif_dbg(dev, ifdown, dev->net, "device gone\n");
- netif_device_detach (dev->net);
+ netif_device_detach(dev->net);
break;
case -EHOSTUNREACH:
retval = -ENOLINK;
@@ -364,19 +364,19 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
default:
netif_dbg(dev, rx_err, dev->net,
"rx submit, %d\n", retval);
- tasklet_schedule (&dev->bh);
+ tasklet_schedule(&dev->bh);
break;
case 0:
- __skb_queue_tail (&dev->rxq, skb);
+ __skb_queue_tail(&dev->rxq, skb);
}
} else {
netif_dbg(dev, ifdown, dev->net, "rx: stopped\n");
retval = -ENOLINK;
}
- spin_unlock_irqrestore (&dev->rxq.lock, lockflags);
+ spin_unlock_irqrestore(&dev->rxq.lock, lockflags);
if (retval) {
- dev_kfree_skb_any (skb);
- usb_free_urb (urb);
+ dev_kfree_skb_any(skb);
+ usb_free_urb(urb);
}
return retval;
}
@@ -384,16 +384,16 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
/*-------------------------------------------------------------------------*/
-static inline void rx_process (struct usbnet *dev, struct sk_buff *skb)
+static inline void rx_process(struct usbnet *dev, struct sk_buff *skb)
{
if (dev->driver_info->rx_fixup &&
- !dev->driver_info->rx_fixup (dev, skb)) {
+ !dev->driver_info->rx_fixup(dev, skb)) {
/* With RX_ASSEMBLE, rx_fixup() must update counters */
if (!(dev->driver_info->flags & FLAG_RX_ASSEMBLE))
dev->net->stats.rx_errors++;
goto done;
}
- // else network stack removes extra byte if we forced a short packet
+ /* else network stack removes extra byte if we forced a short packet */
if (skb->len) {
/* all data was already cloned from skb inside the driver */
@@ -412,19 +412,19 @@ done:
/*-------------------------------------------------------------------------*/
-static void rx_complete (struct urb *urb)
+static void rx_complete(struct urb *urb)
{
- struct sk_buff *skb = (struct sk_buff *) urb->context;
- struct skb_data *entry = (struct skb_data *) skb->cb;
+ struct sk_buff *skb = (struct sk_buff *)urb->context;
+ struct skb_data *entry = (struct skb_data *)skb->cb;
struct usbnet *dev = entry->dev;
int urb_status = urb->status;
- skb_put (skb, urb->actual_length);
+ skb_put(skb, urb->actual_length);
entry->state = rx_done;
entry->urb = NULL;
switch (urb_status) {
- /* success */
+ /* success */
case 0:
if (skb->len < dev->net->hard_header_len) {
entry->state = rx_cleanup;
@@ -435,33 +435,34 @@ static void rx_complete (struct urb *urb)
}
break;
- /* 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 ETIMEDOUT/EILSEQ
- * storm, recovering as needed.
- */
+ /* 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 ETIMEDOUT/EILSEQ
+ * storm, recovering as needed.
+ */
case -EPIPE:
dev->net->stats.rx_errors++;
- usbnet_defer_kevent (dev, EVENT_RX_HALT);
- // FALLTHROUGH
+ usbnet_defer_kevent(dev, EVENT_RX_HALT);
+ /* FALLTHROUGH */
- /* software-driven interface shutdown */
+ /* software-driven interface shutdown */
case -ECONNRESET: /* async unlink */
case -ESHUTDOWN: /* hardware gone */
netif_dbg(dev, ifdown, dev->net,
"rx shutdown, code %d\n", urb_status);
goto block;
- /* we get controller i/o faults during khubd disconnect() delays.
- * throttle down resubmits, to avoid log floods; just temporarily,
- * so we still recover when the fault isn't a khubd delay.
- */
+ /* we get controller i/o faults during khubd disconnect()
+ * delays. Throttle down resubmits, to avoid log floods;
+ * just temporarily, so we still recover when the fault
+ * isn't a khubd delay.
+ */
case -EPROTO:
case -ETIME:
case -EILSEQ:
dev->net->stats.rx_errors++;
- if (!timer_pending (&dev->delay)) {
- mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES);
+ if (!timer_pending(&dev->delay)) {
+ mod_timer(&dev->delay, jiffies + THROTTLE_JIFFIES);
netif_dbg(dev, link, dev->net,
"rx throttle %d\n", urb_status);
}
@@ -471,10 +472,10 @@ block:
urb = NULL;
break;
- /* data overrun ... flush fifo? */
+ /* data overrun ... flush fifo? */
case -EOVERFLOW:
dev->net->stats.rx_over_errors++;
- // FALLTHROUGH
+ /* FALLTHROUGH */
default:
entry->state = rx_cleanup;
@@ -486,47 +487,47 @@ block:
defer_bh(dev, skb, &dev->rxq);
if (urb) {
- if (netif_running (dev->net) &&
- !test_bit (EVENT_RX_HALT, &dev->flags)) {
- rx_submit (dev, urb, GFP_ATOMIC);
+ if (netif_running(dev->net) &&
+ !test_bit(EVENT_RX_HALT, &dev->flags)) {
+ rx_submit(dev, urb, GFP_ATOMIC);
return;
}
- usb_free_urb (urb);
+ usb_free_urb(urb);
}
netif_dbg(dev, rx_err, dev->net, "no read resubmitted\n");
}
-static void intr_complete (struct urb *urb)
+static void intr_complete(struct urb *urb)
{
struct usbnet *dev = urb->context;
int status = urb->status;
switch (status) {
- /* success */
+ /* success */
case 0:
dev->driver_info->status(dev, urb);
break;
- /* software-driven interface shutdown */
+ /* software-driven interface shutdown */
case -ENOENT: /* urb killed */
case -ESHUTDOWN: /* hardware gone */
netif_dbg(dev, ifdown, dev->net,
"intr shutdown, code %d\n", status);
return;
- /* NOTE: not throttling like RX/TX, since this endpoint
- * already polls infrequently
- */
+ /* NOTE: not throttling like RX/TX, since this endpoint
+ * already polls infrequently
+ */
default:
netdev_dbg(dev->net, "intr status %d\n", status);
break;
}
- if (!netif_running (dev->net))
+ if (!netif_running(dev->net))
return;
memset(urb->transfer_buffer, 0, urb->transfer_buffer_length);
- status = usb_submit_urb (urb, GFP_ATOMIC);
+ status = usb_submit_urb(urb, GFP_ATOMIC);
if (status != 0)
netif_err(dev, timer, dev->net,
"intr resubmit --> %d\n", status);
@@ -568,15 +569,15 @@ EXPORT_SYMBOL_GPL(usbnet_purge_paused_rxq);
/*-------------------------------------------------------------------------*/
-// unlink pending rx/tx; completion handlers do all other cleanup
+/* unlink pending rx/tx; completion handlers do all other cleanup */
-static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q)
+static int unlink_urbs(struct usbnet *dev, struct sk_buff_head *q)
{
unsigned long flags;
struct sk_buff *skb, *skbnext;
int count = 0;
- spin_lock_irqsave (&q->lock, flags);
+ spin_lock_irqsave(&q->lock, flags);
skb_queue_walk_safe(q, skb, skbnext) {
struct skb_data *entry;
struct urb *urb;
@@ -585,25 +586,27 @@ static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q)
entry = (struct skb_data *) skb->cb;
urb = entry->urb;
- // during some PM-driven resume scenarios,
- // these (async) unlinks complete immediately
- retval = usb_unlink_urb (urb);
+ /* during some PM-driven resume scenarios,
+ * these (async) unlinks complete immediately
+ */
+ retval = usb_unlink_urb(urb);
if (retval != -EINPROGRESS && retval != 0)
netdev_dbg(dev->net, "unlink urb err, %d\n", retval);
else
count++;
}
- spin_unlock_irqrestore (&q->lock, flags);
+ spin_unlock_irqrestore(&q->lock, flags);
return count;
}
-// Flush all pending rx urbs
-// minidrivers may need to do this when the MTU changes
+/* Flush all pending rx urbs
+ * minidrivers may need to do this when the MTU changes
+ */
void usbnet_unlink_rx_urbs(struct usbnet *dev)
{
if (netif_running(dev->net)) {
- (void) unlink_urbs (dev, &dev->rxq);
+ (void)unlink_urbs(dev, &dev->rxq);
tasklet_schedule(&dev->bh);
}
}
@@ -611,7 +614,7 @@ EXPORT_SYMBOL_GPL(usbnet_unlink_rx_urbs);
/*-------------------------------------------------------------------------*/
-// precondition: never called in_interrupt
+/* precondition: never called in_interrupt */
static void usbnet_terminate_urbs(struct usbnet *dev)
{
DECLARE_WAIT_QUEUE_HEAD_ONSTACK(unlink_wakeup);
@@ -622,30 +625,29 @@ static void usbnet_terminate_urbs(struct usbnet *dev)
add_wait_queue(&unlink_wakeup, &wait);
set_current_state(TASK_UNINTERRUPTIBLE);
dev->wait = &unlink_wakeup;
- temp = unlink_urbs(dev, &dev->txq) +
- unlink_urbs(dev, &dev->rxq);
+ temp = unlink_urbs(dev, &dev->txq) + unlink_urbs(dev, &dev->rxq);
/* maybe wait for deletions to finish. */
- while (!skb_queue_empty(&dev->rxq)
- && !skb_queue_empty(&dev->txq)
- && !skb_queue_empty(&dev->done)) {
- schedule_timeout(msecs_to_jiffies(UNLINK_TIMEOUT_MS));
- set_current_state(TASK_UNINTERRUPTIBLE);
- netif_dbg(dev, ifdown, dev->net,
- "waited for %d urb completions\n", temp);
+ while (!skb_queue_empty(&dev->rxq) &&
+ !skb_queue_empty(&dev->txq) &&
+ !skb_queue_empty(&dev->done)) {
+ schedule_timeout(msecs_to_jiffies(UNLINK_TIMEOUT_MS));
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ netif_dbg(dev, ifdown, dev->net,
+ "waited for %d urb completions\n", temp);
}
set_current_state(TASK_RUNNING);
dev->wait = NULL;
remove_wait_queue(&unlink_wakeup, &wait);
}
-int usbnet_stop (struct net_device *net)
+int usbnet_stop(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct driver_info *info = dev->driver_info;
int retval;
- netif_stop_queue (net);
+ netif_stop_queue(net);
netif_info(dev, ifdown, dev->net,
"stop stats: rx/tx %lu/%lu, errs %lu/%lu\n",
@@ -676,8 +678,8 @@ int usbnet_stop (struct net_device *net)
* else workers could deadlock; so make workers a NOP.
*/
dev->flags = 0;
- del_timer_sync (&dev->delay);
- tasklet_kill (&dev->bh);
+ del_timer_sync(&dev->delay);
+ tasklet_kill(&dev->bh);
if (info->manage_power)
info->manage_power(dev, 0);
else
@@ -689,17 +691,18 @@ EXPORT_SYMBOL_GPL(usbnet_stop);
/*-------------------------------------------------------------------------*/
-// posts reads, and enables write queuing
-
-// precondition: never called in_interrupt
+/* posts reads, and enables write queuing
+ * precondition: never called in_interrupt
+ */
-int usbnet_open (struct net_device *net)
+int usbnet_open(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
int retval;
struct driver_info *info = dev->driver_info;
- if ((retval = usb_autopm_get_interface(dev->intf)) < 0) {
+ retval = usb_autopm_get_interface(dev->intf);
+ if (retval < 0) {
netif_info(dev, ifup, dev->net,
"resumption fail (%d) usbnet usb-%s-%s, %s\n",
retval,
@@ -709,8 +712,8 @@ int usbnet_open (struct net_device *net)
goto done_nopm;
}
- // put into "known safe" state
- if (info->reset && (retval = info->reset (dev)) < 0) {
+ /* put into "known safe" state */
+ if (info->reset && (retval = info->reset(dev)) < 0) {
netif_info(dev, ifup, dev->net,
"open reset fail (%d) usbnet usb-%s-%s, %s\n",
retval,
@@ -720,15 +723,15 @@ int usbnet_open (struct net_device *net)
goto done;
}
- // insist peer be connected
- if (info->check_connect && (retval = info->check_connect (dev)) < 0) {
+ /* insist peer be connected */
+ if (info->check_connect && (retval = info->check_connect(dev)) < 0) {
netif_dbg(dev, ifup, dev->net, "can't open; %d\n", retval);
goto done;
}
/* start any status interrupt transfer */
if (dev->interrupt) {
- retval = usb_submit_urb (dev->interrupt, GFP_KERNEL);
+ retval = usb_submit_urb(dev->interrupt, GFP_KERNEL);
if (retval < 0) {
netif_err(dev, ifup, dev->net,
"intr submit %d\n", retval);
@@ -736,7 +739,7 @@ int usbnet_open (struct net_device *net)
}
}
- netif_start_queue (net);
+ netif_start_queue(net);
netif_info(dev, ifup, dev->net,
"open: enable queueing (rx %d, tx %d) mtu %d %s framing\n",
(int)RX_QLEN(dev), (int)TX_QLEN(dev),
@@ -748,8 +751,8 @@ int usbnet_open (struct net_device *net)
(dev->driver_info->flags & FLAG_FRAMING_AX) ? "ASIX" :
"simple");
- // delay posting reads until we're fully open
- tasklet_schedule (&dev->bh);
+ /* delay posting reads until we're fully open */
+ tasklet_schedule(&dev->bh);
if (info->manage_power) {
retval = info->manage_power(dev, 1);
if (retval < 0)
@@ -771,7 +774,7 @@ EXPORT_SYMBOL_GPL(usbnet_open);
* they'll probably want to use this base set.
*/
-int usbnet_get_settings (struct net_device *net, struct ethtool_cmd *cmd)
+int usbnet_get_settings(struct net_device *net, struct ethtool_cmd *cmd)
{
struct usbnet *dev = netdev_priv(net);
@@ -782,7 +785,7 @@ int usbnet_get_settings (struct net_device *net, struct ethtool_cmd *cmd)
}
EXPORT_SYMBOL_GPL(usbnet_get_settings);
-int usbnet_set_settings (struct net_device *net, struct ethtool_cmd *cmd)
+int usbnet_set_settings(struct net_device *net, struct ethtool_cmd *cmd)
{
struct usbnet *dev = netdev_priv(net);
int retval;
@@ -801,13 +804,13 @@ int usbnet_set_settings (struct net_device *net, struct ethtool_cmd *cmd)
}
EXPORT_SYMBOL_GPL(usbnet_set_settings);
-u32 usbnet_get_link (struct net_device *net)
+u32 usbnet_get_link(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
/* If a check_connect is defined, return its result */
if (dev->driver_info->check_connect)
- return dev->driver_info->check_connect (dev) == 0;
+ return dev->driver_info->check_connect(dev) == 0;
/* if the device has mii operations, use those */
if (dev->mii.mdio_read)
@@ -829,19 +832,19 @@ int usbnet_nway_reset(struct net_device *net)
}
EXPORT_SYMBOL_GPL(usbnet_nway_reset);
-void usbnet_get_drvinfo (struct net_device *net, struct ethtool_drvinfo *info)
+void usbnet_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info)
{
struct usbnet *dev = netdev_priv(net);
- strncpy (info->driver, dev->driver_name, sizeof info->driver);
- strncpy (info->version, DRIVER_VERSION, sizeof info->version);
- strncpy (info->fw_version, dev->driver_info->description,
- sizeof info->fw_version);
- usb_make_path (dev->udev, info->bus_info, sizeof info->bus_info);
+ strncpy(info->driver, dev->driver_name, sizeof(info->driver));
+ strncpy(info->version, DRIVER_VERSION, sizeof(info->version));
+ strncpy(info->fw_version, dev->driver_info->description,
+ sizeof(info->fw_version));
+ usb_make_path(dev->udev, info->bus_info, sizeof(info->bus_info));
}
EXPORT_SYMBOL_GPL(usbnet_get_drvinfo);
-u32 usbnet_get_msglevel (struct net_device *net)
+u32 usbnet_get_msglevel(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
@@ -849,7 +852,7 @@ u32 usbnet_get_msglevel (struct net_device *net)
}
EXPORT_SYMBOL_GPL(usbnet_get_msglevel);
-void usbnet_set_msglevel (struct net_device *net, u32 level)
+void usbnet_set_msglevel(struct net_device *net, u32 level)
{
struct usbnet *dev = netdev_priv(net);
@@ -876,90 +879,92 @@ static const struct ethtool_ops usbnet_ethtool_ops = {
* especially now that control transfers can be queued.
*/
static void
-kevent (struct work_struct *work)
+kevent(struct work_struct *work)
{
- struct usbnet *dev =
- container_of(work, struct usbnet, kevent);
- int status;
+ struct usbnet *dev = container_of(work, struct usbnet, kevent);
+ int status;
/* usb_clear_halt() needs a thread context */
- if (test_bit (EVENT_TX_HALT, &dev->flags)) {
- unlink_urbs (dev, &dev->txq);
+ if (test_bit(EVENT_TX_HALT, &dev->flags)) {
+ unlink_urbs(dev, &dev->txq);
status = usb_autopm_get_interface(dev->intf);
if (status < 0)
goto fail_pipe;
- status = usb_clear_halt (dev->udev, dev->out);
+ status = usb_clear_halt(dev->udev, dev->out);
usb_autopm_put_interface(dev->intf);
if (status < 0 &&
status != -EPIPE &&
status != -ESHUTDOWN) {
- if (netif_msg_tx_err (dev))
+ if (netif_msg_tx_err(dev))
fail_pipe:
- netdev_err(dev->net, "can't clear tx halt, status %d\n",
+ netdev_err(dev->net,
+ "can't clear tx halt, status %d\n",
status);
} else {
- clear_bit (EVENT_TX_HALT, &dev->flags);
+ clear_bit(EVENT_TX_HALT, &dev->flags);
if (status != -ESHUTDOWN)
- netif_wake_queue (dev->net);
+ netif_wake_queue(dev->net);
}
}
- if (test_bit (EVENT_RX_HALT, &dev->flags)) {
- unlink_urbs (dev, &dev->rxq);
+ if (test_bit(EVENT_RX_HALT, &dev->flags)) {
+ unlink_urbs(dev, &dev->rxq);
status = usb_autopm_get_interface(dev->intf);
if (status < 0)
goto fail_halt;
- status = usb_clear_halt (dev->udev, dev->in);
+ status = usb_clear_halt(dev->udev, dev->in);
usb_autopm_put_interface(dev->intf);
if (status < 0 &&
status != -EPIPE &&
status != -ESHUTDOWN) {
- if (netif_msg_rx_err (dev))
+ if (netif_msg_rx_err(dev))
fail_halt:
- netdev_err(dev->net, "can't clear rx halt, status %d\n",
+ netdev_err(dev->net,
+ "can't clear rx halt, status %d\n",
status);
} else {
- clear_bit (EVENT_RX_HALT, &dev->flags);
- tasklet_schedule (&dev->bh);
+ clear_bit(EVENT_RX_HALT, &dev->flags);
+ tasklet_schedule(&dev->bh);
}
}
/* tasklet could resubmit itself forever if memory is tight */
- if (test_bit (EVENT_RX_MEMORY, &dev->flags)) {
+ if (test_bit(EVENT_RX_MEMORY, &dev->flags)) {
struct urb *urb = NULL;
int resched = 1;
- if (netif_running (dev->net))
- urb = usb_alloc_urb (0, GFP_KERNEL);
+ if (netif_running(dev->net))
+ urb = usb_alloc_urb(0, GFP_KERNEL);
else
- clear_bit (EVENT_RX_MEMORY, &dev->flags);
+ clear_bit(EVENT_RX_MEMORY, &dev->flags);
if (urb != NULL) {
- clear_bit (EVENT_RX_MEMORY, &dev->flags);
+ clear_bit(EVENT_RX_MEMORY, &dev->flags);
status = usb_autopm_get_interface(dev->intf);
if (status < 0) {
usb_free_urb(urb);
goto fail_lowmem;
}
- if (rx_submit (dev, urb, GFP_KERNEL) == -ENOLINK)
+ if (rx_submit(dev, urb, GFP_KERNEL) == -ENOLINK)
resched = 0;
usb_autopm_put_interface(dev->intf);
fail_lowmem:
if (resched)
- tasklet_schedule (&dev->bh);
+ tasklet_schedule(&dev->bh);
}
}
- if (test_bit (EVENT_LINK_RESET, &dev->flags)) {
+ if (test_bit(EVENT_LINK_RESET, &dev->flags)) {
struct driver_info *info = dev->driver_info;
int retval = 0;
- clear_bit (EVENT_LINK_RESET, &dev->flags);
+ clear_bit(EVENT_LINK_RESET, &dev->flags);
status = usb_autopm_get_interface(dev->intf);
if (status < 0)
goto skip_reset;
- if(info->link_reset && (retval = info->link_reset(dev)) < 0) {
+ if (info->link_reset && (retval = info->link_reset(dev)) < 0) {
usb_autopm_put_interface(dev->intf);
skip_reset:
- netdev_info(dev->net, "link reset failed (%d) usbnet usb-%s-%s, %s\n",
+ netdev_info(dev->net,
+ "link reset failed (%d) usbnet usb-%s-%s, %s\n",
retval,
dev->udev->bus->bus_name,
dev->udev->devpath,
@@ -970,15 +975,16 @@ skip_reset:
}
if (dev->flags)
- netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n", dev->flags);
+ netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n",
+ dev->flags);
}
/*-------------------------------------------------------------------------*/
-static void tx_complete (struct urb *urb)
+static void tx_complete(struct urb *urb)
{
- struct sk_buff *skb = (struct sk_buff *) urb->context;
- struct skb_data *entry = (struct skb_data *) skb->cb;
+ struct sk_buff *skb = (struct sk_buff *)urb->context;
+ struct skb_data *entry = (struct skb_data *)skb->cb;
struct usbnet *dev = entry->dev;
if (urb->status == 0) {
@@ -990,27 +996,29 @@ static void tx_complete (struct urb *urb)
switch (urb->status) {
case -EPIPE:
- usbnet_defer_kevent (dev, EVENT_TX_HALT);
+ usbnet_defer_kevent(dev, EVENT_TX_HALT);
break;
- /* software-driven interface shutdown */
- case -ECONNRESET: // async unlink
- case -ESHUTDOWN: // hardware gone
+ /* software-driven interface shutdown */
+ case -ECONNRESET: /* async unlink */
+ case -ESHUTDOWN: /* hardware gone */
break;
- // like rx, tx gets controller i/o faults during khubd delays
- // and so it uses the same throttling mechanism.
+ /* like rx, tx gets controller i/o faults during
+ * khubd delays and so it uses the same throttling
+ * mechanism.
+ */
case -EPROTO:
case -ETIME:
case -EILSEQ:
usb_mark_last_busy(dev->udev);
- if (!timer_pending (&dev->delay)) {
- mod_timer (&dev->delay,
- jiffies + THROTTLE_JIFFIES);
+ if (!timer_pending(&dev->delay)) {
+ mod_timer(&dev->delay,
+ jiffies + THROTTLE_JIFFIES);
netif_dbg(dev, link, dev->net,
"tx throttle %d\n", urb->status);
}
- netif_stop_queue (dev->net);
+ netif_stop_queue(dev->net);
break;
default:
netif_dbg(dev, tx_err, dev->net,
@@ -1027,21 +1035,21 @@ static void tx_complete (struct urb *urb)
/*-------------------------------------------------------------------------*/
-void usbnet_tx_timeout (struct net_device *net)
+void usbnet_tx_timeout(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
- unlink_urbs (dev, &dev->txq);
- tasklet_schedule (&dev->bh);
+ unlink_urbs(dev, &dev->txq);
+ tasklet_schedule(&dev->bh);
- // FIXME: device recovery -- reset?
+ /* FIXME: device recovery -- reset? */
}
EXPORT_SYMBOL_GPL(usbnet_tx_timeout);
/*-------------------------------------------------------------------------*/
-netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
- struct net_device *net)
+netdev_tx_t usbnet_start_xmit(struct sk_buff *skb,
+ struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
int length;
@@ -1051,10 +1059,11 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
unsigned long flags;
int retval;
- // some devices want funky USB-level framing, for
- // win32 driver (usually) and/or hardware quirks
+ /* some devices want funky USB-level framing, for
+ * win32 driver (usually) and/or hardware quirks
+ */
if (info->tx_fixup) {
- skb = info->tx_fixup (dev, skb, GFP_ATOMIC);
+ skb = info->tx_fixup(dev, skb, GFP_ATOMIC);
if (!skb) {
if (netif_msg_tx_err(dev)) {
netif_dbg(dev, tx_err, dev->net, "can't tx_fixup skb\n");
@@ -1067,19 +1076,20 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
}
length = skb->len;
- if (!(urb = usb_alloc_urb (0, GFP_ATOMIC))) {
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
netif_dbg(dev, tx_err, dev->net, "no urb\n");
goto drop;
}
- entry = (struct skb_data *) skb->cb;
+ entry = (struct skb_data *)skb->cb;
entry->urb = urb;
entry->dev = dev;
entry->state = tx_start;
entry->length = length;
- usb_fill_bulk_urb (urb, dev->udev, dev->out,
- skb->data, skb->len, tx_complete, skb);
+ usb_fill_bulk_urb(urb, dev->udev, dev->out,
+ skb->data, skb->len, tx_complete, skb);
/* don't assume the hardware handles USB_ZERO_PACKET
* NOTE: strictly conforming cdc-ether devices should expect
@@ -1121,10 +1131,10 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
}
#endif
- switch ((retval = usb_submit_urb (urb, GFP_ATOMIC))) {
+ switch ((retval = usb_submit_urb(urb, GFP_ATOMIC))) {
case -EPIPE:
- netif_stop_queue (net);
- usbnet_defer_kevent (dev, EVENT_TX_HALT);
+ netif_stop_queue(net);
+ usbnet_defer_kevent(dev, EVENT_TX_HALT);
usb_autopm_put_interface_async(dev->intf);
break;
default:
@@ -1134,11 +1144,11 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
break;
case 0:
net->trans_start = jiffies;
- __skb_queue_tail (&dev->txq, skb);
- if (dev->txq.qlen >= TX_QLEN (dev))
- netif_stop_queue (net);
+ __skb_queue_tail(&dev->txq, skb);
+ if (dev->txq.qlen >= TX_QLEN(dev))
+ netif_stop_queue(net);
}
- spin_unlock_irqrestore (&dev->txq.lock, flags);
+ spin_unlock_irqrestore(&dev->txq.lock, flags);
if (retval) {
netif_dbg(dev, tx_err, dev->net, "drop, code %d\n", retval);
@@ -1146,8 +1156,8 @@ drop:
dev->net->stats.tx_dropped++;
not_drop:
if (skb)
- dev_kfree_skb_any (skb);
- usb_free_urb (urb);
+ dev_kfree_skb_any(skb);
+ usb_free_urb(urb);
} else
netif_dbg(dev, tx_queued, dev->net,
"> tx, len %d, type 0x%x\n", length, skb->protocol);
@@ -1160,54 +1170,54 @@ EXPORT_SYMBOL_GPL(usbnet_start_xmit);
/*-------------------------------------------------------------------------*/
-// tasklet (work deferred from completions, in_irq) or timer
+/* tasklet (work deferred from completions, in_irq) or timer */
-static void usbnet_bh (unsigned long param)
+static void usbnet_bh(unsigned long param)
{
- struct usbnet *dev = (struct usbnet *) param;
+ struct usbnet *dev = (struct usbnet *)param;
struct sk_buff *skb;
struct skb_data *entry;
- while ((skb = skb_dequeue (&dev->done))) {
- entry = (struct skb_data *) skb->cb;
+ while ((skb = skb_dequeue(&dev->done))) {
+ entry = (struct skb_data *)skb->cb;
switch (entry->state) {
case rx_done:
entry->state = rx_cleanup;
- rx_process (dev, skb);
+ rx_process(dev, skb);
continue;
case tx_done:
case rx_cleanup:
- usb_free_urb (entry->urb);
- dev_kfree_skb (skb);
+ usb_free_urb(entry->urb);
+ dev_kfree_skb(skb);
continue;
default:
- netdev_dbg(dev->net, "bogus skb state %d\n", entry->state);
+ netdev_dbg(dev->net, "bogus skb state %d\n",
+ entry->state);
}
}
- // waiting for all pending urbs to complete?
+ /* waiting for all pending urbs to complete? */
if (dev->wait) {
- if ((dev->txq.qlen + dev->rxq.qlen + dev->done.qlen) == 0) {
- wake_up (dev->wait);
- }
-
- // or are we maybe short a few urbs?
- } else if (netif_running (dev->net) &&
- netif_device_present (dev->net) &&
- !timer_pending (&dev->delay) &&
- !test_bit (EVENT_RX_HALT, &dev->flags)) {
+ if ((dev->txq.qlen + dev->rxq.qlen + dev->done.qlen) == 0)
+ wake_up(dev->wait);
+
+ /* or are we maybe short a few urbs? */
+ } else if (netif_running(dev->net) &&
+ netif_device_present(dev->net) &&
+ !timer_pending(&dev->delay) &&
+ !test_bit(EVENT_RX_HALT, &dev->flags)) {
int temp = dev->rxq.qlen;
- int qlen = RX_QLEN (dev);
+ int qlen = RX_QLEN(dev);
if (temp < qlen) {
struct urb *urb;
int i;
- // don't refill the queue all at once
+ /* don't refill the queue all at once */
for (i = 0; i < 10 && dev->rxq.qlen < qlen; i++) {
- urb = usb_alloc_urb (0, GFP_ATOMIC);
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
if (urb != NULL) {
- if (rx_submit (dev, urb, GFP_ATOMIC) ==
+ if (rx_submit(dev, urb, GFP_ATOMIC) ==
-ENOLINK)
return;
}
@@ -1217,10 +1227,10 @@ static void usbnet_bh (unsigned long param)
"rxqlen %d --> %d\n",
temp, dev->rxq.qlen);
if (dev->rxq.qlen < qlen)
- tasklet_schedule (&dev->bh);
+ tasklet_schedule(&dev->bh);
}
- if (dev->txq.qlen < TX_QLEN (dev))
- netif_wake_queue (dev->net);
+ if (dev->txq.qlen < TX_QLEN(dev))
+ netif_wake_queue(dev->net);
}
}
@@ -1231,9 +1241,9 @@ static void usbnet_bh (unsigned long param)
*
*-------------------------------------------------------------------------*/
-// precondition: never called in_interrupt
+/* precondition: never called in_interrupt */
-void usbnet_disconnect (struct usb_interface *intf)
+void usbnet_disconnect(struct usb_interface *intf)
{
struct usbnet *dev;
struct usb_device *xdev;
@@ -1244,7 +1254,7 @@ void usbnet_disconnect (struct usb_interface *intf)
if (!dev)
return;
- xdev = interface_to_usbdev (intf);
+ xdev = interface_to_usbdev(intf);
netif_info(dev, probe, dev->net, "unregister '%s' usb-%s-%s, %s\n",
intf->dev.driver->name,
@@ -1252,15 +1262,15 @@ void usbnet_disconnect (struct usb_interface *intf)
dev->driver_info->description);
net = dev->net;
- unregister_netdev (net);
+ unregister_netdev(net);
cancel_work_sync(&dev->kevent);
if (dev->driver_info->unbind)
- dev->driver_info->unbind (dev, intf);
+ dev->driver_info->unbind(dev, intf);
free_netdev(net);
- usb_put_dev (xdev);
+ usb_put_dev(xdev);
}
EXPORT_SYMBOL_GPL(usbnet_disconnect);
@@ -1270,13 +1280,13 @@ static const struct net_device_ops usbnet_netdev_ops = {
.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_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};
/*-------------------------------------------------------------------------*/
-// precondition: never called in_interrupt
+/* precondition: never called in_interrupt */
static struct device_type wlan_type = {
.name = "wlan",
@@ -1287,7 +1297,7 @@ static struct device_type wwan_type = {
};
int
-usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
+usbnet_probe(struct usb_interface *udev, const struct usb_device_id *prod)
{
struct usbnet *dev;
struct net_device *net;
@@ -1296,7 +1306,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
struct usb_device *xdev;
int status;
const char *name;
- struct usb_driver *driver = to_usb_driver(udev->dev.driver);
+ struct usb_driver *driver = to_usb_driver(udev->dev.driver);
/* usbnet already took usb runtime pm, so have to enable the feature
* for usb interface, otherwise usb_autopm_get_interface may return
@@ -1308,22 +1318,22 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
}
name = udev->dev.driver->name;
- info = (struct driver_info *) prod->driver_info;
+ info = (struct driver_info *)prod->driver_info;
if (!info) {
- dev_dbg (&udev->dev, "blacklisted by %s\n", name);
+ dev_dbg(&udev->dev, "blacklisted by %s\n", name);
return -ENODEV;
}
- xdev = interface_to_usbdev (udev);
+ xdev = interface_to_usbdev(udev);
interface = udev->cur_altsetting;
- usb_get_dev (xdev);
+ usb_get_dev(xdev);
status = -ENOMEM;
- // set up our own records
+ /* set up our own records */
net = alloc_etherdev(sizeof(*dev));
if (!net) {
- dbg ("can't kmalloc dev");
+ dbg("can't kmalloc dev");
goto out;
}
@@ -1335,33 +1345,34 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
dev->intf = udev;
dev->driver_info = info;
dev->driver_name = name;
- dev->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV
- | NETIF_MSG_PROBE | NETIF_MSG_LINK);
- skb_queue_head_init (&dev->rxq);
- skb_queue_head_init (&dev->txq);
- skb_queue_head_init (&dev->done);
+ dev->msg_enable = netif_msg_init(msg_level, NETIF_MSG_DRV
+ | NETIF_MSG_PROBE | NETIF_MSG_LINK);
+ skb_queue_head_init(&dev->rxq);
+ skb_queue_head_init(&dev->txq);
+ skb_queue_head_init(&dev->done);
skb_queue_head_init(&dev->rxq_pause);
dev->bh.func = usbnet_bh;
- dev->bh.data = (unsigned long) dev;
- INIT_WORK (&dev->kevent, kevent);
+ dev->bh.data = (unsigned long)dev;
+ INIT_WORK(&dev->kevent, kevent);
init_usb_anchor(&dev->deferred);
dev->delay.function = usbnet_bh;
- dev->delay.data = (unsigned long) dev;
- init_timer (&dev->delay);
- mutex_init (&dev->phy_mutex);
+ dev->delay.data = (unsigned long)dev;
+ init_timer(&dev->delay);
+ mutex_init(&dev->phy_mutex);
dev->net = net;
- strcpy (net->name, "usb%d");
- memcpy (net->dev_addr, node_id, sizeof node_id);
+ strcpy(net->name, "usb%d");
+ memcpy(net->dev_addr, node_id, sizeof(node_id));
/* rx and tx sides can use different message sizes;
* bind() should set rx_urb_size in that case.
*/
dev->hard_mtu = net->mtu + net->hard_header_len;
#if 0
-// dma_supported() is deeply broken on almost all architectures
- // possible with some EHCI controllers
- if (dma_supported (&udev->dev, DMA_BIT_MASK(64)))
+ /* dma_supported() is deeply broken on almost all architectures
+ * possible with some EHCI controllers
+ */
+ if (dma_supported(&udev->dev, DMA_BIT_MASK(64)))
net->features |= NETIF_F_HIGHDMA;
#endif
@@ -1369,20 +1380,22 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
net->watchdog_timeo = TX_TIMEOUT_JIFFIES;
net->ethtool_ops = &usbnet_ethtool_ops;
- // allow device-specific bind/init procedures
- // NOTE net->name still not usable ...
+ /* allow device-specific bind/init procedures
+ * NOTE net->name still not usable ...
+ */
if (info->bind) {
- status = info->bind (dev, udev);
+ status = info->bind(dev, udev);
if (status < 0)
goto out1;
- // heuristic: "usb%d" for links we know are two-host,
- // else "eth%d" when there's reasonable doubt. userspace
- // can rename the link if it knows better.
+ /* heuristic: "usb%d" for links we know are two-host,
+ * else "eth%d" when there's reasonable doubt. userspace
+ * can rename the link if it knows better.
+ */
if ((dev->driver_info->flags & FLAG_ETHER) != 0 &&
((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 ||
- (net->dev_addr [0] & 0x02) == 0))
- strcpy (net->name, "eth%d");
+ (net->dev_addr[0] & 0x02) == 0))
+ strcpy(net->name, "eth%d");
/* WLAN devices should always be named "wlan%d" */
if ((dev->driver_info->flags & FLAG_WLAN) != 0)
strcpy(net->name, "wlan%d");
@@ -1394,33 +1407,33 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
if (net->mtu > (dev->hard_mtu - net->hard_header_len))
net->mtu = dev->hard_mtu - net->hard_header_len;
} else if (!info->in || !info->out)
- status = usbnet_get_endpoints (dev, udev);
+ status = usbnet_get_endpoints(dev, udev);
else {
- dev->in = usb_rcvbulkpipe (xdev, info->in);
- dev->out = usb_sndbulkpipe (xdev, info->out);
+ dev->in = usb_rcvbulkpipe(xdev, info->in);
+ dev->out = usb_sndbulkpipe(xdev, info->out);
if (!(info->flags & FLAG_NO_SETINT))
- status = usb_set_interface (xdev,
- interface->desc.bInterfaceNumber,
- interface->desc.bAlternateSetting);
+ status = usb_set_interface(xdev,
+ interface->desc.bInterfaceNumber,
+ interface->desc.bAlternateSetting);
else
status = 0;
}
if (status >= 0 && dev->status)
- status = init_status (dev, udev);
+ status = init_status(dev, udev);
if (status < 0)
goto out3;
if (!dev->rx_urb_size)
dev->rx_urb_size = dev->hard_mtu;
- dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1);
+ dev->maxpacket = usb_maxpacket(dev->udev, dev->out, 1);
if ((dev->driver_info->flags & FLAG_WLAN) != 0)
SET_NETDEV_DEVTYPE(net, &wlan_type);
if ((dev->driver_info->flags & FLAG_WWAN) != 0)
SET_NETDEV_DEVTYPE(net, &wwan_type);
- status = register_netdev (net);
+ status = register_netdev(net);
if (status)
goto out3;
netif_info(dev, probe, dev->net,
@@ -1430,10 +1443,10 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
dev->driver_info->description,
net->dev_addr);
- // ok, it's ready to go.
- usb_set_intfdata (udev, dev);
+ /* ok, it's ready to go. */
+ usb_set_intfdata(udev, dev);
- netif_device_attach (net);
+ netif_device_attach(net);
if (dev->driver_info->flags & FLAG_LINK_INTR)
netif_carrier_off(net);
@@ -1442,7 +1455,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
out3:
if (info->unbind)
- info->unbind (dev, udev);
+ info->unbind(dev, udev);
out1:
free_netdev(net);
out:
@@ -1458,7 +1471,7 @@ EXPORT_SYMBOL_GPL(usbnet_probe);
* resume only when the last interface is resumed
*/
-int usbnet_suspend (struct usb_interface *intf, pm_message_t message)
+int usbnet_suspend(struct usb_interface *intf, pm_message_t message)
{
struct usbnet *dev = usb_get_intfdata(intf);
@@ -1476,7 +1489,7 @@ int usbnet_suspend (struct usb_interface *intf, pm_message_t message)
* accelerate emptying of the rx and queues, to avoid
* having everything error out.
*/
- netif_device_detach (dev->net);
+ netif_device_detach(dev->net);
usbnet_terminate_urbs(dev);
usb_kill_urb(dev->interrupt);
@@ -1484,13 +1497,13 @@ int usbnet_suspend (struct usb_interface *intf, pm_message_t message)
* reattach so runtime management can use and
* wake the device
*/
- netif_device_attach (dev->net);
+ netif_device_attach(dev->net);
}
return 0;
}
EXPORT_SYMBOL_GPL(usbnet_suspend);
-int usbnet_resume (struct usb_interface *intf)
+int usbnet_resume(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
struct sk_buff *skb;
@@ -1518,7 +1531,7 @@ int usbnet_resume (struct usb_interface *intf)
spin_unlock_irq(&dev->txq.lock);
if (!(dev->txq.qlen >= TX_QLEN(dev)))
netif_start_queue(dev->net);
- tasklet_schedule (&dev->bh);
+ tasklet_schedule(&dev->bh);
}
return 0;
}
--
1.7.5.rc3.dirty
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists