1/*
2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef __CLASSIFY_DPO_H__
17#define __CLASSIFY_DPO_H__
18
19#include <vnet/vnet.h>
20#include <vnet/mpls/packet.h>
21#include <vnet/dpo/dpo.h>
22
23/**
24 * A representation of an MPLS label for imposition in the data-path
25 */
26typedef struct classify_dpo_t
27{
28    /**
29     * required for pool_get_aligned.
30     */
31    CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
32
33    dpo_proto_t cd_proto;
34
35    u32 cd_table_index;
36
37    /**
38     * Number of locks/users of the label
39     */
40    u16 cd_locks;
41} classify_dpo_t;
42
43extern index_t classify_dpo_create(dpo_proto_t proto,
44                                   u32 classify_table_index);
45
46extern u8* format_classify_dpo(u8 *s, va_list *args);
47
48/*
49 * Encapsulation violation for fast data-path access
50 */
51extern classify_dpo_t *classify_dpo_pool;
52
53static inline classify_dpo_t *
54classify_dpo_get (index_t index)
55{
56    return (pool_elt_at_index(classify_dpo_pool, index));
57}
58
59extern void classify_dpo_module_init(void);
60
61#endif
62