lib/dummy.h

   1 /*
   2  * Copyright (c) 2010, 2011, 2012, 2013, 2015 Nicira, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef DUMMY_H
  18 #define DUMMY_H 1
  19
  20 #include <stdbool.h>
  21
  22 /* Degree of dummy support.
  23  *
  24  * Beyond enabling support for dummies, it can be useful to replace some kinds
  25  * of bridges and netdevs, or all kinds, by dummies.  This enum expresses the
  26  * degree to which this should happen. */
  27 enum dummy_level {
  28     DUMMY_OVERRIDE_NONE,        /* Support dummy but don't force its use. */
  29     DUMMY_OVERRIDE_SYSTEM,      /* Replace "system" by dummy. */
  30     DUMMY_OVERRIDE_ALL,         /* Replace all types by dummy. */
  31 };
  32
  33 /* For client programs to call directly to enable dummy support. */
  34 void dummy_enable(const char *arg);
  35
  36 /* Implementation details. */
  37 void dpif_dummy_register(enum dummy_level);
  38 void netdev_dummy_register(enum dummy_level);
  39 void timeval_dummy_register(void);
  40 void ofpact_dummy_enable(void);
  41
  42 #endif /* dummy.h */