Commit edaef191 authored by Nikolay Aleksandrov's avatar Nikolay Aleksandrov Committed by David S. Miller
Browse files

net: bridge: fdb: add ndo_fdb_del_bulk 



Add a minimal ndo_fdb_del_bulk implementation which flushes all entries.
Support for more fine-grained filtering will be added in the following
patches.

Signed-off-by: default avatarNikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9e834259

net/bridge/br_device.c

+1 −0
Original line number Diff line number Diff line
@@ -465,6 +465,7 @@ static const struct net_device_ops br_netdev_ops = { 
	.ndo_fix_features        = br_fix_features,

	.ndo_fdb_add		 = br_fdb_add,

	.ndo_fdb_del		 = br_fdb_delete,

	.ndo_fdb_del_bulk	 = br_fdb_delete_bulk,

	.ndo_fdb_dump		 = br_fdb_dump,

	.ndo_fdb_get		 = br_fdb_get,

	.ndo_bridge_getlink	 = br_getlink,

net/bridge/br_fdb.c

+23 −0
Original line number Diff line number Diff line
@@ -572,6 +572,29 @@ void br_fdb_flush(struct net_bridge *br) 
	spin_unlock_bh(&br->hash_lock);

}



int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[],

		       struct net_device *dev, u16 vid,

		       struct netlink_ext_ack *extack)

{

	struct net_bridge_port *p = NULL;

	struct net_bridge *br;



	if (netif_is_bridge_master(dev)) {

		br = netdev_priv(dev);

	} else {

		p = br_port_get_rtnl(dev);

		if (!p) {

			NL_SET_ERR_MSG_MOD(extack, "Device is not a bridge port");

			return -EINVAL;

		}

		br = p->br;

	}



	br_fdb_flush(br);



	return 0;

}



/* Flush all entries referring to a specific port.

 * if do_all is set also flush static entries

 * if vid is set delete all entries that match the vlan_id

net/bridge/br_private.h

+3 −0
Original line number Diff line number Diff line
@@ -781,6 +781,9 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, 


int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],

		  struct net_device *dev, const unsigned char *addr, u16 vid);

int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[],

		       struct net_device *dev, u16 vid,

		       struct netlink_ext_ack *extack);

int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev,

	       const unsigned char *addr, u16 vid, u16 nlh_flags,

	       struct netlink_ext_ack *extack);