bridge: netlink: add support for netfilter tables config

Add support to allow getting/setting netfilter tables settings.
Currently these are IFLA_BR_NF_CALL_IPTABLES, IFLA_BR_NF_CALL_IP6TABLES
and IFLA_BR_NF_CALL_ARPTABLES.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index b8c88aa..0200bed 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -259,6 +259,9 @@
 	IFLA_BR_MCAST_QUERY_INTVL,
 	IFLA_BR_MCAST_QUERY_RESPONSE_INTVL,
 	IFLA_BR_MCAST_STARTUP_QUERY_INTVL,
+	IFLA_BR_NF_CALL_IPTABLES,
+	IFLA_BR_NF_CALL_IP6TABLES,
+	IFLA_BR_NF_CALL_ARPTABLES,
 	__IFLA_BR_MAX,
 };