map_dpo.h

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/*
 * Copyright (c) 2016 Cisco and/or its affiliates.
 * 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 __MAP_DPO_H__
#define __MAP_DPO_H__

#include <vnet/vnet.h>
#include <vnet/dpo/dpo.h>

/**
 * A representation of a MAP DPO
 */
typedef struct map_dpo_t
{
    /**
     * The dat-plane protocol
     */
    dpo_proto_t md_proto;

    /**
     * the MAP domain index
     */
    u32 md_domain;

    /**
     * Number of locks/users of the label
     */
    u16 md_locks;
} map_dpo_t;

extern void map_dpo_create (dpo_proto_t dproto,
                            u32 domain_index,
                            dpo_id_t *dpo);
extern void map_t_dpo_create (dpo_proto_t dproto,
                              u32 domain_index,
                              dpo_id_t *dpo);

extern u8* format_map_dpo(u8 *s, va_list *args);

/*
 * Encapsulation violation for fast data-path access
 */
extern map_dpo_t *map_dpo_pool;
extern dpo_type_t map_dpo_type;
extern dpo_type_t map_t_dpo_type;

static inline map_dpo_t *
map_dpo_get (index_t index)
{
    return (pool_elt_at_index(map_dpo_pool, index));
}

extern void map_dpo_module_init(void);

#endif