net: Add MDB bulk deletion device operation

Add MDB net device operation that will be invoked by rtnetlink code in
response to received 'RTM_DELMDB' messages with the 'NLM_F_BULK' flag
set. Subsequent patches will implement the operation in the bridge and
VXLAN drivers.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1b935ee341b42d44e471ff519b1dc302fadafca4..75c7725e5e4fdf59da55923cd803e084956b0fa0 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1329,6 +1329,9 @@ struct netdev_net_notifier {
  * int (*ndo_mdb_del)(struct net_device *dev, struct nlattr *tb[],
  *                   struct netlink_ext_ack *extack);
  *     Deletes the MDB entry from dev.
+ * int (*ndo_mdb_del_bulk)(struct net_device *dev, struct nlattr *tb[],
+ *                        struct netlink_ext_ack *extack);
+ *     Bulk deletes MDB entries from dev.
  * int (*ndo_mdb_dump)(struct net_device *dev, struct sk_buff *skb,
  *                    struct netlink_callback *cb);
  *     Dumps MDB entries from dev. The first argument (marker) in the netlink
@@ -1611,6 +1614,9 @@ struct net_device_ops {
        int                     (*ndo_mdb_del)(struct net_device *dev,
                                               struct nlattr *tb[],
                                               struct netlink_ext_ack *extack);
+       int                     (*ndo_mdb_del_bulk)(struct net_device *dev,
+                                                   struct nlattr *tb[],
+                                                   struct netlink_ext_ack *extack);
        int                     (*ndo_mdb_dump)(struct net_device *dev,
                                                struct sk_buff *skb,
                                                struct netlink_callback *cb);