netfilter: nf_tables_offload: add nft_flow_cls_offload_setup()

	return 0;

}

static int nft_flow_offload_rule(struct nft_chain *chain,

				 struct nft_rule *rule,

				 struct nft_flow_rule *flow,

static void nft_flow_cls_offload_setup(struct flow_cls_offload *cls_flow,

				       const struct nft_base_chain *basechain,

				       const struct nft_rule *rule,

				       const struct nft_flow_rule *flow,

				       enum flow_cls_command command)

{

	struct flow_cls_offload cls_flow = {};

	struct nft_base_chain *basechain;

	struct netlink_ext_ack extack;

	__be16 proto = ETH_P_ALL;

	if (!nft_is_base_chain(chain))

		return -EOPNOTSUPP;

	basechain = nft_base_chain(chain);

	memset(cls_flow, 0, sizeof(*cls_flow));

	if (flow)

		proto = flow->proto;

	nft_flow_offload_common_init(&cls_flow.common, proto,

	nft_flow_offload_common_init(&cls_flow->common, proto,

				     basechain->ops.priority, &extack);

	cls_flow.command = command;

	cls_flow.cookie = (unsigned long) rule;

	cls_flow->command = command;

	cls_flow->cookie = (unsigned long) rule;

	if (flow)

		cls_flow.rule = flow->rule;

		cls_flow->rule = flow->rule;

}

static int nft_flow_offload_rule(struct nft_chain *chain,

				 struct nft_rule *rule,

				 struct nft_flow_rule *flow,

				 enum flow_cls_command command)

{

	struct flow_cls_offload cls_flow;

	struct nft_base_chain *basechain;

	if (!nft_is_base_chain(chain))

		return -EOPNOTSUPP;

	basechain = nft_base_chain(chain);

	nft_flow_cls_offload_setup(&cls_flow, basechain, rule, flow, command);

	return nft_setup_cb_call(TC_SETUP_CLSFLOWER, &cls_flow,

				 &basechain->flow_block.cb_list);