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rtnetlink: implement setting of master device

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This patch allows userspace to enslave/release slave devices via netlink
interface using IFLA_MASTER. This introduces generic way to add/remove
underling devices.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2011-02-13 10:15:37 +00:00 • committed by David S. Miller
parent f45437efff
commit fbaec0ea54
2 changed files with 55 additions and 0 deletions
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12
include/linux/netdevice.h
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@ -783,6 +783,14 @@ struct netdev_tc_txq {
* Set hardware filter for RFS. rxq_index is the target queue index;
* flow_id is a flow ID to be passed to rps_may_expire_flow() later.
* Return the filter ID on success, or a negative error code.
*
* Slave management functions (for bridge, bonding, etc). User should
* call netdev_set_master() to set dev->master properly.
* int (*ndo_add_slave)(struct net_device *dev, struct net_device *slave_dev);
* Called to make another netdev an underling.
*
* int (*ndo_del_slave)(struct net_device *dev, struct net_device *slave_dev);
* Called to release previously enslaved netdev.
*/
#define HAVE_NET_DEVICE_OPS
struct net_device_ops {
@ -862,6 +870,10 @@ struct net_device_ops {
u16 rxq_index,
u32 flow_id);
#endif
int (*ndo_add_slave)(struct net_device *dev,
struct net_device *slave_dev);
int (*ndo_del_slave)(struct net_device *dev,
struct net_device *slave_dev);
};
/*