src: add support for flowtable counter

Allow users to enable flow counters via control plane toggle, e.g.

 table ip x {
	flowtable y {
		hook ingress priority 0;
		counter;
	}

	chain z {
		type filter hook ingress priority filter;
		flow add @z
	}
 }

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

1 files changed, 3 insertions, 0 deletions

diff --git a/src/mnl.c b/src/mnl.c
index 18a73e28..2eea85e8 100644
--- a/src/mnl.c
+++ b/src/mnl.c
@@ -1629,6 +1629,9 @@ int mnl_nft_flowtable_add(struct netlink_ctx *ctx, struct cmd *cmd,
 
 	free(dev_array);
 
+	nftnl_flowtable_set_u32(flo, NFTNL_FLOWTABLE_FLAGS,
+				cmd->flowtable->flags);
+
 	netlink_dump_flowtable(flo, ctx);
 
 	nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(ctx->batch),