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[Settings] Add per-netdevice settings block

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Add a configuration settings block for each net device.  This will
provide the parent scope for settings applicable only to that network
device (e.g. non-volatile options stored on the NIC, options obtained via
DHCP, etc.).

Expose the MAC address as a setting.
This commit is contained in:
Michael Brown
2008-03-20 21:06:03 +00:00
parent 260b93bb72
commit acfa14423e
6 changed files with 126 additions and 1 deletions
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14
src/net/netdevice.c
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@@ -266,6 +266,9 @@ struct net_device * alloc_netdev ( size_t priv_size ) {
netdev->refcnt.free = free_netdev;
INIT_LIST_HEAD ( &netdev->tx_queue );
INIT_LIST_HEAD ( &netdev->rx_queue );
settings_init ( &netdev->settings,
&netdev_settings_operations, &netdev->refcnt,
netdev->name );
netdev->priv = ( ( ( void * ) netdev ) + sizeof ( *netdev ) );
}
return netdev;
@@ -282,11 +285,19 @@ struct net_device * alloc_netdev ( size_t priv_size ) {
*/
int register_netdev ( struct net_device *netdev ) {
static unsigned int ifindex = 0;
int rc;
/* Create device name */
snprintf ( netdev->name, sizeof ( netdev->name ), "net%d",
ifindex++ );
/* Register per-netdev configuration settings */
if ( ( rc = register_settings ( &netdev->settings, NULL ) ) != 0 ) {
DBGC ( netdev, "NETDEV %p could not register settings: %s\n",
netdev, strerror ( rc ) );
return rc;
}
/* Add to device list */
netdev_get ( netdev );
list_add_tail ( &netdev->list, &net_devices );
@@ -357,6 +368,9 @@ void unregister_netdev ( struct net_device *netdev ) {
/* Ensure device is closed */
netdev_close ( netdev );
/* Unregister per-netdev configuration settings */
unregister_settings ( &netdev->settings );
/* Remove from device list */
list_del ( &netdev->list );
netdev_put ( netdev );