blob: 9dbc02a9f9663f05a5545d06f2da1e9ae7479a58 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) 2014-2018 Linaro Limited
*/
/**
* @file
*
* ODP ICMP header
*/
#ifndef ODPH_ICMP_H_
#define ODPH_ICMP_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <odp_api.h>
/**
* @addtogroup odph_protocols
* @{
*/
/** ICMP header length */
#define ODPH_ICMPHDR_LEN 8
/** ICMP header */
typedef struct ODP_PACKED {
uint8_t type; /**< message type */
uint8_t code; /**< type sub-code */
odp_u16sum_t chksum; /**< checksum of icmp header */
/** Variant mappings of ICMP fields */
union {
/** Fields used for ICMP echo msgs */
struct {
odp_u16be_t id; /**< id */
odp_u16be_t sequence; /**< sequence */
} echo; /**< echo datagram */
odp_u32be_t gateway; /**< gateway address */
/** Fields used for ICMP frag msgs */
struct {
odp_u16be_t __unused; /**< @internal */
odp_u16be_t mtu; /**< mtu */
} frag; /**< path mtu discovery */
} un; /**< icmp sub header */
} odph_icmphdr_t;
#define ODPH_ICMP_ECHOREPLY 0 /**< Echo Reply */
#define ODPH_ICMP_ECHO 8 /**< Echo Request */
/** @cond _ODP_HIDE_FROM_DOXYGEN_ */
ODP_STATIC_ASSERT(sizeof(odph_icmphdr_t) == ODPH_ICMPHDR_LEN,
"ODPH_ICMPHDR_T__SIZE_ERROR");
/** @endcond */
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif
|
