netfilter: nf_tables: add missing netlink attrs to policies

Fixes: 8aeff920dcc9 ("netfilter: nf_tables: add stateful object reference to set elements")
Fixes: f25ad2e907f1 ("netfilter: nf_tables: prepare for expressions associated to set elements")
Fixes: 1a94e38d254b ("netfilter: nf_tables: add NFTA_RULE_ID attribute")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

net/netfilter/nf_tables_api.c

@@ -1973,6 +1973,7 @@ static const struct nla_policy nft_rule_policy[NFTA_RULE_MAX + 1] = {
 	[NFTA_RULE_POSITION]	= { .type = NLA_U64 },
 	[NFTA_RULE_USERDATA]	= { .type = NLA_BINARY,
 				    .len = NFT_USERDATA_MAXLEN },
+	[NFTA_RULE_ID]		= { .type = NLA_U32 },
 };
 
 static int nf_tables_fill_rule_info(struct sk_buff *skb, struct net *net,
@@ -3380,6 +3381,8 @@ static const struct nla_policy nft_set_elem_policy[NFTA_SET_ELEM_MAX + 1] = {
 	[NFTA_SET_ELEM_TIMEOUT]		= { .type = NLA_U64 },
 	[NFTA_SET_ELEM_USERDATA]	= { .type = NLA_BINARY,
 					    .len = NFT_USERDATA_MAXLEN },
+	[NFTA_SET_ELEM_EXPR]		= { .type = NLA_NESTED },
+	[NFTA_SET_ELEM_OBJREF]		= { .type = NLA_STRING },
 };
 
 static const struct nla_policy nft_set_elem_list_policy[NFTA_SET_ELEM_LIST_MAX + 1] = {