3 files changed, 22 insertions, 0 deletions
diff --git a/include/json.h b/include/json.h
index d2dc92d9..8d45c3c3 100644
--- a/include/json.h
+++ b/include/json.h
@@ -7,6 +7,7 @@ struct chain;
 struct cmd;
 struct expr;
 struct netlink_ctx;
+struct nlmsghdr;
 struct rule;
 struct set;
 struct obj;
@@ -103,6 +104,10 @@ void monitor_print_obj_json(struct netlink_mon_handler *monh,
 void monitor_print_rule_json(struct netlink_mon_handler *monh,
 			     const char *cmd, struct rule *r);
 
+int json_events_cb(const struct nlmsghdr *nlh,
+		   struct netlink_mon_handler *monh);
+void json_print_echo(struct nft_ctx *ctx);
+
 #else /* ! HAVE_LIBJANSSON */
 
 typedef void json_t;
@@ -234,6 +239,16 @@ static inline void monitor_print_rule_json(struct netlink_mon_handler *monh,
 	/* empty */
 }
 
+static inline int json_events_cb(const struct nlmsghdr *nlh)
+{
+	return -1;
+}
+
+static inline void json_print_echo(struct nft_ctx *ctx)
+{
+	/* empty */
+}
+
 #endif /* HAVE_LIBJANSSON */
 
 #endif /* NFTABLES_JSON_H */
diff --git a/include/netlink.h b/include/netlink.h
index 5ff129ed..a8528d59 100644
--- a/include/netlink.h
+++ b/include/netlink.h
@@ -55,6 +55,12 @@ struct netlink_ctx {
 extern struct nftnl_expr *alloc_nft_expr(const char *name);
 extern void alloc_setelem_cache(const struct expr *set, struct nftnl_set *nls);
 
+extern struct nftnl_table *netlink_table_alloc(const struct nlmsghdr *nlh);
+extern struct nftnl_chain *netlink_chain_alloc(const struct nlmsghdr *nlh);
+extern struct nftnl_set *netlink_set_alloc(const struct nlmsghdr *nlh);
+extern struct nftnl_obj *netlink_obj_alloc(const struct nlmsghdr *nlh);
+extern struct nftnl_rule *netlink_rule_alloc(const struct nlmsghdr *nlh);
+
 struct nft_data_linearize {
 	uint32_t	len;
 	uint32_t	value[4];
diff --git a/include/nftables.h b/include/nftables.h
index 25e78c80..1009e266 100644
--- a/include/nftables.h
+++ b/include/nftables.h
@@ -53,6 +53,7 @@ struct nft_ctx {
 	uint32_t		flags;
 	struct parser_state	*state;
 	void			*scanner;
+	void			*json_root;
 };
 
 enum nftables_exit_codes {