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 __included_ip6_ioam_e2e_h__
17#define __included_ip6_ioam_e2e_h__
18
19#include <ioam/lib-e2e/e2e_util.h>
20#include "ip6_ioam_seqno.h"
21
22/* *INDENT-OFF* */
23typedef CLIB_PACKED(struct {
24  ip6_hop_by_hop_option_t hdr;
25  ioam_e2e_packet_t e2e_hdr;
26}) ioam_e2e_option_t;
27/* *INDENT-ON* */
28
29typedef struct ioam_e2e_data_t_ {
30  u32 flow_ctx;
31  u32 pad;
32  ioam_seqno_data seqno_data;
33} ioam_e2e_data_t;
34
35typedef struct {
36  ioam_e2e_data_t *e2e_data;
37  vlib_main_t *vlib_main;
38  vnet_main_t *vnet_main;
39} ioam_e2e_main_t;
40
41extern ioam_e2e_main_t ioam_e2e_main;
42
43static inline ioam_seqno_data *
44ioam_e2ec_get_seqno_data_from_flow_ctx (u32 flow_ctx)
45{
46  ioam_e2e_data_t *data = NULL;
47  u32 index;
48
49  index =  get_flow_data_from_flow_ctx(flow_ctx,
50                                       HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE);
51  data = &ioam_e2e_main.e2e_data[index];
52  return &(data->seqno_data);
53}
54
55static inline u32
56ioam_e2e_get_cur_seqno_from_flow_ctx (u32 flow_ctx)
57{
58  ioam_seqno_data *data = NULL;
59
60  data =  ioam_e2ec_get_seqno_data_from_flow_ctx(flow_ctx);
61  return data->seq_num;
62}
63
64#endif /* __included_ioam_e2e_h__ */
65