net: hsr: Send supervisory frames to HSR network with ProxyNodeTable data

This patch provides support for sending supervision HSR frames with
MAC addresses stored in ProxyNodeTable when RedBox (i.e. HSR-SAN) is
enabled.

Supervision frames with RedBox MAC address (appended as second TLV)
are only send for ProxyNodeTable nodes.

This patch series shall be tested with hsr_redbox.sh script.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c
index 898f18c..f6ff0b6 100644
--- a/net/hsr/hsr_netlink.c
+++ b/net/hsr/hsr_netlink.c
@@ -131,6 +131,7 @@ static void hsr_dellink(struct net_device *dev, struct list_head *head)
 	del_timer_sync(&hsr->prune_timer);
 	del_timer_sync(&hsr->prune_proxy_timer);
 	del_timer_sync(&hsr->announce_timer);
+	timer_delete_sync(&hsr->announce_proxy_timer);
 
 	hsr_debugfs_term(hsr);
 	hsr_del_ports(hsr);