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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 __ADJ_TYPES_H__
#define __ADJ_TYPES_H__
#include <vnet/vnet.h>
/**
* @brief An index for adjacencies.
* Alas 'C' is not typesafe enough to b0rk when a u32 is used instead of
* an adi_index_t. However, for us humans, we can glean much more intent
* from the declaration
* foo bar(adj_index_t t);
* than we can from
* foo bar(u32 t);
*/
typedef u32 adj_index_t;
/**
* @brief Invalid ADJ index - used when no adj is known
* likewise blazoned capitals INVALID speak volumes where ~0 does not.
*/
#define ADJ_INDEX_INVALID ((u32)~0)
#endif
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