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-rw-r--r--include/net/netfilter/nf_tables.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index d45a871b3da6..e6bcf55dcf20 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -583,6 +583,7 @@ static inline void nft_set_gc_batch_add(struct nft_set_gc_batch *gcb,
* @policy: netlink attribute policy
* @maxattr: highest netlink attribute number
* @family: address family for AF-specific types
+ * @flags: expression type flags
*/
struct nft_expr_type {
const struct nft_expr_ops *(*select_ops)(const struct nft_ctx *,
@@ -594,8 +595,11 @@ struct nft_expr_type {
const struct nla_policy *policy;
unsigned int maxattr;
u8 family;
+ u8 flags;
};
+#define NFT_EXPR_STATEFUL 0x1
+
/**
* struct nft_expr_ops - nf_tables expression operations
*