1 files changed, 4 insertions, 1 deletions

diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index c84c452c62a7..c88ccbfda5f1 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -1,7 +1,8 @@
 #ifndef _LINUX_NF_TABLES_H
 #define _LINUX_NF_TABLES_H
 
-#define NFT_CHAIN_MAXNAMELEN 32
+#define NFT_CHAIN_MAXNAMELEN    32
+#define NFT_USERDATA_MAXLEN     256
 
 enum nft_registers {
         NFT_REG_VERDICT,
@@ -156,6 +157,7 @@ enum nft_chain_attributes {
  * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
  * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
  * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
+ * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
  */
 enum nft_rule_attributes {
         NFTA_RULE_UNSPEC,
@@ -165,6 +167,7 @@ enum nft_rule_attributes {
         NFTA_RULE_EXPRESSIONS,
         NFTA_RULE_COMPAT,
         NFTA_RULE_POSITION,
+        NFTA_RULE_USERDATA,
         __NFTA_RULE_MAX
 };
 #define NFTA_RULE_MAX           (__NFTA_RULE_MAX - 1)