/*
 * Copyright (c) 2013 Nicira, Inc.
 * Copyright (c) 2013 Simon Horman
 *
 * 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 EXECUTE_ACTIONS_H
#define EXECUTE_ACTIONS_H 1

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "openvswitch/types.h"

struct nlattr;
struct dp_packet;
struct pkt_metadata;
struct dp_packet_batch;


/* Called once at initialization time. */
void odp_execute_init(void);

typedef void (*odp_execute_action_cb)(struct dp_packet_batch *batch,
                                      const struct nlattr *action);

typedef void (*odp_execute_cb)(void *dp, struct dp_packet_batch *batch,
                               const struct nlattr *action, bool should_steal);

/* Actions that need to be executed in the context of a datapath are handed
 * to 'dp_execute_action', if non-NULL.  Currently this is called only for
 * actions OVS_ACTION_ATTR_OUTPUT and OVS_ACTION_ATTR_USERSPACE so
 * 'dp_execute_action' needs to handle only these. */
void odp_execute_actions(void *dp, struct dp_packet_batch *batch,
                         bool steal,
                         const struct nlattr *actions, size_t actions_len,
                         odp_execute_cb dp_execute_action);

#define odp_get_key_mask(a, type) ((const type *)(const void *)(a + 1) + 1)

#endif
