lib/multipath.h

   1 /*
   2  * Copyright (c) 2010, 2011, 2012, 2013, 2014 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 MULTIPATH_H
  18 #define MULTIPATH_H 1
  19
  20 #include <stdint.h>
  21 #include "compiler.h"
  22 #include "openvswitch/ofp-errors.h"
  23
  24 struct ds;
  25 struct flow;
  26 struct flow_wildcards;
  27 struct match;
  28 struct nx_action_multipath;
  29 struct ofpact_multipath;
  30 struct ofpbuf;
  31
  32 /* NXAST_MULTIPATH helper functions. */
  33
  34 enum ofperr multipath_check(const struct ofpact_multipath *,
  35                             const struct match *);
  36
  37 void multipath_execute(const struct ofpact_multipath *, struct flow *,
  38                        struct flow_wildcards *);
  39
  40 char *multipath_parse(struct ofpact_multipath *, const char *)
  41     OVS_WARN_UNUSED_RESULT;
  42 void multipath_format(const struct ofpact_multipath *, struct ds *);
  43
  44 #endif /* multipath.h */