rocker: adding port ageing_time for ageing out FDB entries

Follow-up patcheset will allow user to change ageing_time, but for now
just hard-code it to a fixed value (the same value used as the default
for the bridge driver).
Signed-off-by: NScott Feldman <sfeldma@gmail.com>
Acked-by: NJiri Pirko <jiri@resnulli.us>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/rocker/rocker.c

@@ -221,6 +221,7 @@ struct rocker_port {
 	__be16 internal_vlan_id;
 	int stp_state;
 	u32 brport_flags;
+	unsigned long ageing_time;
 	bool ctrls[ROCKER_CTRL_MAX];
 	unsigned long vlan_bitmap[ROCKER_VLAN_BITMAP_LEN];
 	struct napi_struct napi_tx;
@@ -4975,6 +4976,7 @@ static int rocker_probe_port(struct rocker *rocker, unsigned int port_number)
 	rocker_port->port_number = port_number;
 	rocker_port->pport = port_number + 1;
 	rocker_port->brport_flags = BR_LEARNING | BR_LEARNING_SYNC;
+	rocker_port->ageing_time = BR_DEFAULT_AGEING_TIME;
 	INIT_LIST_HEAD(&rocker_port->trans_mem);
 
 	rocker_port_dev_addr_init(rocker_port);