Implement a new Nicira extension action for multipath link selection.

[sliver-openvswitch.git] / lib / multipath.h

diff --git a/lib/multipath.h b/lib/multipath.h
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+++ b/lib/multipath.h
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+/*
+ * Copyright (c) 2010 Nicira Networks.
+ *
+ * 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.
+ */
+
+#ifndef MULTIPATH_H
+#define MULTIPATH_H 1
+
+#include <stdint.h>
+
+struct ds;
+struct flow;
+struct nx_action_multipath;
+struct nx_action_reg_move;
+
+/* NXAST_MULTIPATH helper functions.
+ *
+ * See include/openflow/nicira-ext.h for NXAST_MULTIPATH specification.
+ */
+
+int multipath_check(const struct nx_action_multipath *);
+void multipath_execute(const struct nx_action_multipath *, struct flow *);
+
+void multipath_parse(struct nx_action_multipath *, const char *);
+void multipath_format(const struct nx_action_multipath *, struct ds *);
+
+#endif /* multipath.h */