cache: move list filter under struct

Wrap the table and set fields for list filtering to prepare for the
introduction element filters.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/include/cache.h b/include/cache.h
index 05233588..7d61701a 100644
--- a/include/cache.h
+++ b/include/cache.h
@@ -39,8 +39,10 @@ enum cache_level_flags {
 };
 
 struct nft_cache_filter {
-	const char		*table;
-	const char		*set;
+	struct {
+		const char	*table;
+		const char	*set;
+	} list;
 };
 
 struct nft_cache;