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-rw-r--r--net/core/dev.c46
1 files changed, 44 insertions, 2 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 64f0d5b7cdf..2cc258b7acc 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -956,6 +956,7 @@ rollback:
* dev_set_alias - change ifalias of a device
* @dev: device
* @alias: name up to IFALIASZ
+ * @len: limit of bytes to copy from info
*
* Set ifalias for a device,
*/
@@ -3330,6 +3331,12 @@ static void dev_addr_discard(struct net_device *dev)
netif_addr_unlock_bh(dev);
}
+/**
+ * dev_get_flags - get flags reported to userspace
+ * @dev: device
+ *
+ * Get the combination of flag bits exported through APIs to userspace.
+ */
unsigned dev_get_flags(const struct net_device *dev)
{
unsigned flags;
@@ -3354,6 +3361,14 @@ unsigned dev_get_flags(const struct net_device *dev)
return flags;
}
+/**
+ * dev_change_flags - change device settings
+ * @dev: device
+ * @flags: device state flags
+ *
+ * Change settings on device based state flags. The flags are
+ * in the userspace exported format.
+ */
int dev_change_flags(struct net_device *dev, unsigned flags)
{
int ret, changes;
@@ -3423,6 +3438,13 @@ int dev_change_flags(struct net_device *dev, unsigned flags)
return ret;
}
+/**
+ * dev_set_mtu - Change maximum transfer unit
+ * @dev: device
+ * @new_mtu: new transfer unit
+ *
+ * Change the maximum transfer size of the network device.
+ */
int dev_set_mtu(struct net_device *dev, int new_mtu)
{
int err;
@@ -3447,6 +3469,13 @@ int dev_set_mtu(struct net_device *dev, int new_mtu)
return err;
}
+/**
+ * dev_set_mac_address - Change Media Access Control Address
+ * @dev: device
+ * @sa: new address
+ *
+ * Change the hardware (MAC) address of the device
+ */
int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa)
{
int err;
@@ -4350,7 +4379,12 @@ void free_netdev(struct net_device *dev)
put_device(&dev->dev);
}
-/* Synchronize with packet receive processing. */
+/**
+ * synchronize_net - Synchronize with packet receive processing
+ *
+ * Wait for packets currently being received to be done.
+ * Does not block later packets from starting.
+ */
void synchronize_net(void)
{
might_sleep();
@@ -4652,7 +4686,7 @@ netdev_dma_event(struct dma_client *client, struct dma_chan *chan,
}
/**
- * netdev_dma_regiser - register the networking subsystem as a DMA client
+ * netdev_dma_register - register the networking subsystem as a DMA client
*/
static int __init netdev_dma_register(void)
{
@@ -4753,6 +4787,14 @@ err_name:
return -ENOMEM;
}
+/**
+ * netdev_drivername - network driver for the device
+ * @dev: network device
+ * @buffer: buffer for resulting name
+ * @len: size of buffer
+ *
+ * Determine network driver for device.
+ */
char *netdev_drivername(const struct net_device *dev, char *buffer, int len)
{
const struct device_driver *driver;