[352] | 1 | #ifndef _NETINET_IP_ICMP_H
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| 2 | #define _NETINET_IP_ICMP_H
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| 3 |
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| 4 | #include <stdint.h>
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| 5 | #include <netinet/in.h>
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| 6 | #include <netinet/ip.h>
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| 7 |
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| 8 | #ifdef __cplusplus
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| 9 | extern "C" {
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| 10 | #endif
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| 11 |
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| 12 | struct icmphdr {
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| 13 | uint8_t type;
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| 14 | uint8_t code;
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| 15 | uint16_t checksum;
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| 16 | union {
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| 17 | struct {
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| 18 | uint16_t id;
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| 19 | uint16_t sequence;
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| 20 | } echo;
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| 21 | uint32_t gateway;
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| 22 | struct {
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| 23 | uint16_t __unused;
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| 24 | uint16_t mtu;
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| 25 | } frag;
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| 26 | uint8_t reserved[4];
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| 27 | } un;
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| 28 | };
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| 29 |
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| 30 | #define ICMP_ECHOREPLY 0
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| 31 | #define ICMP_DEST_UNREACH 3
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| 32 | #define ICMP_SOURCE_QUENCH 4
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| 33 | #define ICMP_REDIRECT 5
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| 34 | #define ICMP_ECHO 8
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| 35 | #define ICMP_TIME_EXCEEDED 11
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| 36 | #define ICMP_PARAMETERPROB 12
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| 37 | #define ICMP_TIMESTAMP 13
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| 38 | #define ICMP_TIMESTAMPREPLY 14
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| 39 | #define ICMP_INFO_REQUEST 15
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| 40 | #define ICMP_INFO_REPLY 16
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| 41 | #define ICMP_ADDRESS 17
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| 42 | #define ICMP_ADDRESSREPLY 18
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| 43 | #define NR_ICMP_TYPES 18
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| 44 |
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| 45 |
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| 46 | #define ICMP_NET_UNREACH 0
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| 47 | #define ICMP_HOST_UNREACH 1
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| 48 | #define ICMP_PROT_UNREACH 2
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| 49 | #define ICMP_PORT_UNREACH 3
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| 50 | #define ICMP_FRAG_NEEDED 4
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| 51 | #define ICMP_SR_FAILED 5
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| 52 | #define ICMP_NET_UNKNOWN 6
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| 53 | #define ICMP_HOST_UNKNOWN 7
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| 54 | #define ICMP_HOST_ISOLATED 8
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| 55 | #define ICMP_NET_ANO 9
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| 56 | #define ICMP_HOST_ANO 10
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| 57 | #define ICMP_NET_UNR_TOS 11
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| 58 | #define ICMP_HOST_UNR_TOS 12
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| 59 | #define ICMP_PKT_FILTERED 13
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| 60 | #define ICMP_PREC_VIOLATION 14
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| 61 | #define ICMP_PREC_CUTOFF 15
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| 62 | #define NR_ICMP_UNREACH 15
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| 63 |
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| 64 | #define ICMP_REDIR_NET 0
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| 65 | #define ICMP_REDIR_HOST 1
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| 66 | #define ICMP_REDIR_NETTOS 2
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| 67 | #define ICMP_REDIR_HOSTTOS 3
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| 68 |
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| 69 | #define ICMP_EXC_TTL 0
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| 70 | #define ICMP_EXC_FRAGTIME 1
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| 71 |
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| 72 |
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| 73 | struct icmp_ra_addr {
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| 74 | uint32_t ira_addr;
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| 75 | uint32_t ira_preference;
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| 76 | };
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| 77 |
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| 78 | struct icmp {
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| 79 | uint8_t icmp_type;
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| 80 | uint8_t icmp_code;
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| 81 | uint16_t icmp_cksum;
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| 82 | union {
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| 83 | uint8_t ih_pptr;
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| 84 | struct in_addr ih_gwaddr;
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| 85 | struct ih_idseq {
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| 86 | uint16_t icd_id;
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| 87 | uint16_t icd_seq;
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| 88 | } ih_idseq;
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| 89 | uint32_t ih_void;
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| 90 |
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| 91 | struct ih_pmtu {
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| 92 | uint16_t ipm_void;
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| 93 | uint16_t ipm_nextmtu;
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| 94 | } ih_pmtu;
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| 95 |
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| 96 | struct ih_rtradv {
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| 97 | uint8_t irt_num_addrs;
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| 98 | uint8_t irt_wpa;
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| 99 | uint16_t irt_lifetime;
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| 100 | } ih_rtradv;
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| 101 | } icmp_hun;
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| 102 | union {
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| 103 | struct {
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| 104 | uint32_t its_otime;
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| 105 | uint32_t its_rtime;
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| 106 | uint32_t its_ttime;
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| 107 | } id_ts;
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| 108 | struct {
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| 109 | struct ip idi_ip;
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| 110 | } id_ip;
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| 111 | struct icmp_ra_addr id_radv;
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| 112 | uint32_t id_mask;
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| 113 | uint8_t id_data[1];
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| 114 | } icmp_dun;
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| 115 | };
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| 116 |
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| 117 | #define icmp_pptr icmp_hun.ih_pptr
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| 118 | #define icmp_gwaddr icmp_hun.ih_gwaddr
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| 119 | #define icmp_id icmp_hun.ih_idseq.icd_id
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| 120 | #define icmp_seq icmp_hun.ih_idseq.icd_seq
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| 121 | #define icmp_void icmp_hun.ih_void
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| 122 | #define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void
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| 123 | #define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
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| 124 | #define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
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| 125 | #define icmp_wpa icmp_hun.ih_rtradv.irt_wpa
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| 126 | #define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
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| 127 | #define icmp_otime icmp_dun.id_ts.its_otime
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| 128 | #define icmp_rtime icmp_dun.id_ts.its_rtime
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| 129 | #define icmp_ttime icmp_dun.id_ts.its_ttime
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| 130 | #define icmp_ip icmp_dun.id_ip.idi_ip
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| 131 | #define icmp_radv icmp_dun.id_radv
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| 132 | #define icmp_mask icmp_dun.id_mask
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| 133 | #define icmp_data icmp_dun.id_data
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| 134 |
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| 135 | #define ICMP_MINLEN 8
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| 136 | #define ICMP_TSLEN (8 + 3 * sizeof (n_time))
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| 137 | #define ICMP_MASKLEN 12
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| 138 | #define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8)
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| 139 | #define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
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| 140 |
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| 141 | #define ICMP_UNREACH 3
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| 142 | #define ICMP_SOURCEQUENCH 4
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| 143 | #define ICMP_ROUTERADVERT 9
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| 144 | #define ICMP_ROUTERSOLICIT 10
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| 145 | #define ICMP_TIMXCEED 11
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| 146 | #define ICMP_PARAMPROB 12
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| 147 | #define ICMP_TSTAMP 13
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| 148 | #define ICMP_TSTAMPREPLY 14
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| 149 | #define ICMP_IREQ 15
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| 150 | #define ICMP_IREQREPLY 16
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| 151 | #define ICMP_MASKREQ 17
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| 152 | #define ICMP_MASKREPLY 18
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| 153 | #define ICMP_MAXTYPE 18
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| 154 |
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| 155 | #define ICMP_UNREACH_NET 0
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| 156 | #define ICMP_UNREACH_HOST 1
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| 157 | #define ICMP_UNREACH_PROTOCOL 2
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| 158 | #define ICMP_UNREACH_PORT 3
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| 159 | #define ICMP_UNREACH_NEEDFRAG 4
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| 160 | #define ICMP_UNREACH_SRCFAIL 5
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| 161 | #define ICMP_UNREACH_NET_UNKNOWN 6
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| 162 | #define ICMP_UNREACH_HOST_UNKNOWN 7
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| 163 | #define ICMP_UNREACH_ISOLATED 8
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| 164 | #define ICMP_UNREACH_NET_PROHIB 9
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| 165 | #define ICMP_UNREACH_HOST_PROHIB 10
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| 166 | #define ICMP_UNREACH_TOSNET 11
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| 167 | #define ICMP_UNREACH_TOSHOST 12
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| 168 | #define ICMP_UNREACH_FILTER_PROHIB 13
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| 169 | #define ICMP_UNREACH_HOST_PRECEDENCE 14
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| 170 | #define ICMP_UNREACH_PRECEDENCE_CUTOFF 15
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| 171 |
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| 172 | #define ICMP_REDIRECT_NET 0
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| 173 | #define ICMP_REDIRECT_HOST 1
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| 174 | #define ICMP_REDIRECT_TOSNET 2
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| 175 | #define ICMP_REDIRECT_TOSHOST 3
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| 176 |
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| 177 | #define ICMP_TIMXCEED_INTRANS 0
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| 178 | #define ICMP_TIMXCEED_REASS 1
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| 179 |
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| 180 | #define ICMP_PARAMPROB_OPTABSENT 1
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| 181 |
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| 182 | #define ICMP_INFOTYPE(type) \
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| 183 | ((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \
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| 184 | (type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \
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| 185 | (type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \
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| 186 | (type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \
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| 187 | (type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)
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| 188 |
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| 189 | #ifdef __cplusplus
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| 190 | }
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| 191 | #endif
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| 192 |
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| 193 | #endif
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