lib/dpdk-stub.c

   1 /*
   2  * Copyright (c) 2014, 2015, 2016 Nicira, Inc.
   3  * Copyright (c) 2016 Red Hat, Inc.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at:
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #include <config.h>
  19 #include "dpdk.h"
  20
  21 #include "smap.h"
  22 #include "ovs-thread.h"
  23 #include "openvswitch/vlog.h"
  24
  25 VLOG_DEFINE_THIS_MODULE(dpdk);
  26
  27 void
  28 dpdk_init(const struct smap *ovs_other_config)
  29 {
  30     if (smap_get_bool(ovs_other_config, "dpdk-init", false)) {
  31         static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER;
  32
  33         if (ovsthread_once_start(&once)) {
  34             VLOG_ERR("DPDK not supported in this copy of Open vSwitch.");
  35             ovsthread_once_done(&once);
  36         }
  37     }
  38 }
  39
  40 void
  41 dpdk_set_lcore_id(unsigned cpu OVS_UNUSED)
  42 {
  43     /* Nothing */
  44 }
  45
  46 const char *
  47 dpdk_get_vhost_sock_dir(void)
  48 {
  49     return NULL;
  50 }