Hybrid ICN (hICN) plugin  v21.06-rc0-4-g18fa668
icmprd.h
1 /*
2  * Copyright (c) 2017-2019 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 
20 #ifndef HICN_PROTOCOL_ICMPRD_H
21 #define HICN_PROTOCOL_ICMPRD_H
22 
23 #include "../common.h"
24 #include "ipv4.h"
25 
26 /*
27  * The length of the ICMPRD4 header struct must be 92 bytes.
28  */
29 #define EXPECTED_ICMPRD4_HDRLEN 92
30 
31 typedef struct
32 {
33  u8 type;
34  u8 code;
35  u16 csum;
36  ip4_address_t ip;
37  _ipv4_header_t iph;
38  u8 data[64];
40 
41 #define ICMPRD4_HDRLEN sizeof(_icmprd4_header_t)
42 static_assert (EXPECTED_ICMPRD4_HDRLEN == ICMPRD4_HDRLEN,
43  "Size of ICMPWLDR struct does not match its expected size.");
44 
45 /*
46  * The length of the ICMPRD header struct must be 40 bytes.
47  */
48 #define EXPECTED_ICMPRD_HDRLEN 40
49 
50 typedef struct
51 {
52  u8 type;
53  u8 code;
54  u16 csum;
55  u32 res;
56  ip6_address_t tgt;
57  ip6_address_t dst;
59 
60 #define ICMPRD_HDRLEN sizeof(_icmprd_header_t)
61 static_assert (EXPECTED_ICMPRD_HDRLEN == ICMPRD_HDRLEN,
62  "Size of ICMPWLDR struct does not match its expected size.");
63 
64 #endif /* HICN_PROTOCOL_ICMPRD_H */
65 
66 /*
67  * fd.io coding-style-patch-verification: ON
68  *
69  * Local Variables:
70  * eval: (c-set-style "gnu")
71  * End:
72  */
ip6_address_t
Definition: common.h:173
_icmprd_header_t
Definition: icmprd.h:50
_icmprd4_header_t
Definition: icmprd.h:31
ip4_address_t
Definition: common.h:167
_ipv4_header_t
Definition: ipv4.h:30