text: /*
   * Copyright (c) 2014, 2015, 2016 Nicira, Inc.
   * Copyright (c) 2016 Red Hat, Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at:
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include <config.h>
  #include "dpdk.h"
  
  #include "smap.h"
  #include "ovs-thread.h"
  #include "openvswitch/vlog.h"
  #include "vswitch-idl.h"
  
  VLOG_DEFINE_THIS_MODULE(dpdk);
  
  void
  dpdk_init(const struct smap *ovs_other_config)
  {
      if (smap_get_bool(ovs_other_config, "dpdk-init", false)) {
          static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER;
  
          if (ovsthread_once_start(&once)) {
              VLOG_ERR("DPDK not supported in this copy of Open vSwitch.");
              ovsthread_once_done(&once);
          }
      }
  }
  
  void
  dpdk_set_lcore_id(unsigned cpu OVS_UNUSED)
  {
      /* Nothing */
  }
  
  const char *
  dpdk_get_vhost_sock_dir(void)
  {
      return NULL;
  }
  
  bool
  dpdk_vhost_iommu_enabled(void)
  {
      return false;
  }
  
  bool
  dpdk_vhost_postcopy_enabled(void)
  {
      return false;
  }
  
  bool
  dpdk_per_port_memory(void)
  {
      return false;
  }
  
  bool
  dpdk_available(void)
  {
      return false;
  }
  
  void
  print_dpdk_version(void)
  {
  }
  
  bool
  dpdk_get_cpu_has_isa(const char *arch OVS_UNUSED,
                       const char *feature OVS_UNUSED)
  {
      VLOG_ERR_ONCE("DPDK not supported in this version of Open vSwitch, "
                    "cannot use CPU flag based optimizations");
      return false;
  }
  
  void
  dpdk_status(const struct ovsrec_open_vswitch *cfg)
  {
      if (cfg) {
          ovsrec_open_vswitch_set_dpdk_initialized(cfg, false);
          ovsrec_open_vswitch_set_dpdk_version(cfg, "none");
      }
  }
  