netfilter: nf_tables: Provide NFT_{RT,CT}_MAX for userspace

These macros allow conveniently declaring arrays which use NFT_{RT,CT}_* values as indexes. Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
mariux64 · May 6, 2018 · 3f9c56a · 3f9c56a
1 parent 3a2e86f
commit 3f9c56a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
@@ -831,7 +831,9 @@ enum nft_rt_keys {
 	NFT_RT_NEXTHOP4,
 	NFT_RT_NEXTHOP6,
 	NFT_RT_TCPMSS,
+	__NFT_RT_MAX
 };
+#define NFT_RT_MAX		(__NFT_RT_MAX - 1)
 
 /**
  * enum nft_hash_types - nf_tables hash expression types
@@ -949,7 +951,9 @@ enum nft_ct_keys {
 	NFT_CT_DST_IP,
 	NFT_CT_SRC_IP6,
 	NFT_CT_DST_IP6,
+	__NFT_CT_MAX
 };
+#define NFT_CT_MAX		(__NFT_CT_MAX - 1)
 
 /**
  * enum nft_ct_attributes - nf_tables ct expression netlink attributes