Commit 47674562 authored by Roopa Prabhu's avatar Roopa Prabhu Committed by David S. Miller
Browse files

bridge: support for ndo_fdb_get 



This patch implements ndo_fdb_get for the bridge
fdb.

Signed-off-by: default avatarRoopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: default avatarNikolay Aleksandrov <nikolay@cumulusnetworks.com>
Reviewed-by: default avatarDavid Ahern <dsa@cumulusnetworks.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5b2f94b2

net/bridge/br_device.c

+1 −0
Original line number Diff line number Diff line
@@ -403,6 +403,7 @@ static const struct net_device_ops br_netdev_ops = { 
	.ndo_fdb_add		 = br_fdb_add,

	.ndo_fdb_del		 = br_fdb_delete,

	.ndo_fdb_dump		 = br_fdb_dump,

	.ndo_fdb_get		 = br_fdb_get,

	.ndo_bridge_getlink	 = br_getlink,

	.ndo_bridge_setlink	 = br_setlink,

	.ndo_bridge_dellink	 = br_dellink,

net/bridge/br_fdb.c

+26 −0
Original line number Diff line number Diff line
@@ -773,6 +773,32 @@ int br_fdb_dump(struct sk_buff *skb, 
	return err;

}



int br_fdb_get(struct sk_buff *skb,

	       struct nlattr *tb[],

	       struct net_device *dev,

	       const unsigned char *addr,

	       u16 vid, u32 portid, u32 seq,

	       struct netlink_ext_ack *extack)

{

	struct net_bridge *br = netdev_priv(dev);

	struct net_bridge_fdb_entry *f;

	int err = 0;



	rcu_read_lock();

	f = br_fdb_find_rcu(br, addr, vid);

	if (!f) {

		NL_SET_ERR_MSG(extack, "Fdb entry not found");

		err = -ENOENT;

		goto errout;

	}



	err = fdb_fill_info(skb, br, f, portid, seq,

			    RTM_NEWNEIGH, 0);

errout:

	rcu_read_unlock();

	return err;

}



/* Update (create or replace) forwarding database entry */

static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source,

			 const u8 *addr, u16 state, u16 flags, u16 vid,

net/bridge/br_private.h

+3 −0
Original line number Diff line number Diff line
@@ -575,6 +575,9 @@ int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, 
	       const unsigned char *addr, u16 vid, u16 nlh_flags);

int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,

		struct net_device *dev, struct net_device *fdev, int *idx);

int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev,

	       const unsigned char *addr, u16 vid, u32 portid, u32 seq,

	       struct netlink_ext_ack *extack);

int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p);

void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p);

int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,