static int hns_roce_port_immutable(struct ib_device *ib_dev, u8 port_num,
				   struct ib_port_immutable *immutable)
{
	struct ib_port_attr attr;
	int ret;

	ret = ib_query_port(ib_dev, port_num, &attr);
	if (ret)
		return ret;

	immutable->pkey_tbl_len = attr.pkey_tbl_len;
	immutable->gid_tbl_len = attr.gid_tbl_len;

	immutable->max_mad_size = IB_MGMT_MAD_SIZE;
	immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE;
	if (to_hr_dev(ib_dev)->caps.flags & HNS_ROCE_CAP_FLAG_ROCE_V1_V2)
		immutable->core_cap_flags |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;

	return 0;
}
Unknown