netlink: add size description for constant sets

The kernel side can make better decisions with this information when
selecting the right backend, so add this information to the set netlink
message.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/src/netlink.c b/src/netlink.c
index 59e8918d2ba0ceba5dfaf196d6dc4c17c7709fcc..28821903f18cc997245a312d06b426975afecb8b 100644 (file)
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -1293,6 +1293,8 @@ static int netlink_add_set_batch(struct netlink_ctx *ctx,
                if (set->desc.size != 0)
                        nftnl_set_set_u32(nls, NFTNL_SET_DESC_SIZE,
                                          set->desc.size);
+       } else if (set->init) {
+               nftnl_set_set_u32(nls, NFTNL_SET_DESC_SIZE, set->init->size);
        }
 
        udbuf = nftnl_udata_buf_alloc(NFT_USERDATA_MAXLEN);