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authorJiri Pirko <jpirko@redhat.com>2011-02-13 10:15:37 +0000
committerDavid S. Miller <davem@davemloft.net>2011-02-13 16:58:39 -0800
commitfbaec0ea54f7d9131891ff98744e82c073ce03b1 (patch)
treed0622d38a51b7e4a1e853338e7cbd954d3977cf2 /include/linux/netdevice.h
parentf45437efff460aa033978180da88229c5fc68455 (diff)
rtnetlink: implement setting of master device
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>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 5a42b100376..d08ef653857 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -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);
};
/*