ipv6: Add fib6_type and fib6_flags to fib6_result

Add the fib6_flags and fib6_type to fib6_result. Update the lookup helpers
to set them and update post fib lookup users to use the version from the
result.

This allows nexthop objects to have blackhole nexthop.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index cb3277c..6b7557b 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -193,6 +193,8 @@ struct rt6_info {
 struct fib6_result {
 	struct fib6_nh		*nh;
 	struct fib6_info	*f6i;
+	u32			fib6_flags;
+	u8			fib6_type;
 };
 
 #define for_each_fib6_node_rt_rcu(fn)					\