UbixOS V2 2.0

icmp.h
Go to the documentation of this file.
1
6 /*
7 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without modification,
11 * are permitted provided that the following conditions are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30 * OF SUCH DAMAGE.
31 *
32 * This file is part of the lwIP TCP/IP stack.
33 *
34 * Author: Adam Dunkels <adam@sics.se>
35 *
36 */
37 #ifndef LWIP_HDR_PROT_ICMP_H
38 #define LWIP_HDR_PROT_ICMP_H
39
40 #include "net/arch.h"
41
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45
46 #define ICMP_ER 0 /* echo reply */
47 #define ICMP_DUR 3 /* destination unreachable */
48 #define ICMP_SQ 4 /* source quench */
49 #define ICMP_RD 5 /* redirect */
50 #define ICMP_ECHO 8 /* echo */
51 #define ICMP_TE 11 /* time exceeded */
52 #define ICMP_PP 12 /* parameter problem */
53 #define ICMP_TS 13 /* timestamp */
54 #define ICMP_TSR 14 /* timestamp reply */
55 #define ICMP_IRQ 15 /* information request */
56 #define ICMP_IR 16 /* information reply */
57 #define ICMP_AM 17 /* address mask request */
58 #define ICMP_AMR 18 /* address mask reply */
59
60 #ifdef PACK_STRUCT_USE_INCLUDES
61 # include "arch/bpstruct.h"
62 #endif
63
68 PACK_STRUCT_BEGIN
69 struct icmp_echo_hdr {
70 PACK_STRUCT_FLD_8(u8_t type);
71 PACK_STRUCT_FLD_8(u8_t code);
72 PACK_STRUCT_FIELD(u16_t chksum);
73 PACK_STRUCT_FIELD(u16_t id);
74 PACK_STRUCT_FIELD(u16_t seqno);
75 } PACK_STRUCT_STRUCT;
76 PACK_STRUCT_END
77 #ifdef PACK_STRUCT_USE_INCLUDES
78 # include "arch/epstruct.h"
79 #endif
80
81 /* Compatibility defines, old versions used to combine type and code to an u16_t */
82 #define ICMPH_TYPE(hdr) ((hdr)->type)
83 #define ICMPH_CODE(hdr) ((hdr)->code)
84 #define ICMPH_TYPE_SET(hdr, t) ((hdr)->type = (t))
85 #define ICMPH_CODE_SET(hdr, c) ((hdr)->code = (c))
86
87 #ifdef __cplusplus
88 }
89 #endif
90
91 #endif /* LWIP_HDR_PROT_ICMP_H */
u16_t
uint16_t u16_t
Definition: arch.h:124
icmp_echo_hdr
Definition: icmp.h:69
arch.h
u8_t
uint8_t u8_t
Definition: arch.h:122
PACK_STRUCT_BEGIN
#define PACK_STRUCT_BEGIN
Definition: cc.h:8
icmp_echo_hdr::PACK_STRUCT_FIELD
PACK_STRUCT_FIELD(u16_t chksum)
PACK_STRUCT_STRUCT
PACK_STRUCT_BEGIN struct icmp_echo_hdr PACK_STRUCT_STRUCT
icmp_echo_hdr::PACK_STRUCT_FLD_8
PACK_STRUCT_FLD_8(u8_t type)
PACK_STRUCT_END
#define PACK_STRUCT_END
Definition: cc.h:9