netfilter: nf_tables: store and dump set policy

We want to know in which cases the user explicitly sets the policy
options. In that case, we also want to dump back the info.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index a476b9962155..19e79f0d9ad2 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2344,6 +2344,11 @@ static int nf_tables_fill_set(struct sk_buff *skb, const struct nft_ctx *ctx,
                         goto nla_put_failure;
         }
 
+        if (set->policy != NFT_SET_POL_PERFORMANCE) {
+                if (nla_put_be32(skb, NFTA_SET_POLICY, htonl(set->policy)))
+                        goto nla_put_failure;
+        }
+
         desc = nla_nest_start(skb, NFTA_SET_DESC);
         if (desc == NULL)
                 goto nla_put_failure;
@@ -2669,6 +2674,7 @@ static int nf_tables_newset(struct sock *nlsk, struct sk_buff *skb,
         set->dlen  = desc.dlen;
         set->flags = flags;
         set->size  = desc.size;
+        set->policy = policy;
 
         err = ops->init(set, &desc, nla);
         if (err < 0)