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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 __MPLS_LABEL_DPO_H__
#define __MPLS_LABEL_DPO_H__
#include <vnet/vnet.h>
#include <vnet/mpls/packet.h>
#include <vnet/dpo/dpo.h>
/**
* A representation of an MPLS label for imposition in the data-path
*/
typedef struct mpls_label_dpo_t
{
/**
* The MPLS label header to impose
*/
mpls_unicast_header_t mld_hdr;
/**
* Next DPO in the graph
*/
dpo_id_t mld_dpo;
/**
* Number of locks/users of the label
*/
u16 mld_locks;
} mpls_label_dpo_t;
extern index_t mpls_label_dpo_create(mpls_label_t label,
mpls_eos_bit_t eos,
u8 ttl,
u8 exp,
const dpo_id_t *dpo);
extern u8* format_mpls_label_dpo(u8 *s, va_list *args);
/*
* Encapsulation violation for fast data-path access
*/
extern mpls_label_dpo_t *mpls_label_dpo_pool;
static inline mpls_label_dpo_t *
mpls_label_dpo_get (index_t index)
{
return (pool_elt_at_index(mpls_label_dpo_pool, index));
}
extern void mpls_label_dpo_module_init(void);
#endif
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