194 lines
4.6 KiB
C
194 lines
4.6 KiB
C
#ifndef _NETINET_IP_ICMP_H
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#define _NETINET_IP_ICMP_H
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#include <stdint.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct icmphdr {
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uint8_t type;
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uint8_t code;
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uint16_t checksum;
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union {
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struct {
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uint16_t id;
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uint16_t sequence;
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} echo;
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uint32_t gateway;
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struct {
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uint16_t __unused;
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uint16_t mtu;
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} frag;
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uint8_t reserved[4];
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} un;
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};
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#define ICMP_ECHOREPLY 0
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#define ICMP_DEST_UNREACH 3
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#define ICMP_SOURCE_QUENCH 4
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#define ICMP_REDIRECT 5
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#define ICMP_ECHO 8
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#define ICMP_TIME_EXCEEDED 11
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#define ICMP_PARAMETERPROB 12
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#define ICMP_TIMESTAMP 13
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#define ICMP_TIMESTAMPREPLY 14
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#define ICMP_INFO_REQUEST 15
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#define ICMP_INFO_REPLY 16
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#define ICMP_ADDRESS 17
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#define ICMP_ADDRESSREPLY 18
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#define NR_ICMP_TYPES 18
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#define ICMP_NET_UNREACH 0
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#define ICMP_HOST_UNREACH 1
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#define ICMP_PROT_UNREACH 2
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#define ICMP_PORT_UNREACH 3
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#define ICMP_FRAG_NEEDED 4
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#define ICMP_SR_FAILED 5
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#define ICMP_NET_UNKNOWN 6
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#define ICMP_HOST_UNKNOWN 7
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#define ICMP_HOST_ISOLATED 8
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#define ICMP_NET_ANO 9
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#define ICMP_HOST_ANO 10
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#define ICMP_NET_UNR_TOS 11
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#define ICMP_HOST_UNR_TOS 12
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#define ICMP_PKT_FILTERED 13
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#define ICMP_PREC_VIOLATION 14
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#define ICMP_PREC_CUTOFF 15
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#define NR_ICMP_UNREACH 15
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#define ICMP_REDIR_NET 0
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#define ICMP_REDIR_HOST 1
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#define ICMP_REDIR_NETTOS 2
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#define ICMP_REDIR_HOSTTOS 3
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#define ICMP_EXC_TTL 0
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#define ICMP_EXC_FRAGTIME 1
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struct icmp_ra_addr {
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uint32_t ira_addr;
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uint32_t ira_preference;
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};
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struct icmp {
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uint8_t icmp_type;
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uint8_t icmp_code;
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uint16_t icmp_cksum;
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union {
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uint8_t ih_pptr;
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struct in_addr ih_gwaddr;
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struct ih_idseq {
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uint16_t icd_id;
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uint16_t icd_seq;
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} ih_idseq;
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uint32_t ih_void;
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struct ih_pmtu {
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uint16_t ipm_void;
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uint16_t ipm_nextmtu;
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} ih_pmtu;
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struct ih_rtradv {
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uint8_t irt_num_addrs;
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uint8_t irt_wpa;
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uint16_t irt_lifetime;
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} ih_rtradv;
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} icmp_hun;
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union {
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struct {
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uint32_t its_otime;
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uint32_t its_rtime;
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uint32_t its_ttime;
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} id_ts;
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struct {
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struct ip idi_ip;
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} id_ip;
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struct icmp_ra_addr id_radv;
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uint32_t id_mask;
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uint8_t id_data[1];
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} icmp_dun;
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};
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#define icmp_pptr icmp_hun.ih_pptr
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#define icmp_gwaddr icmp_hun.ih_gwaddr
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#define icmp_id icmp_hun.ih_idseq.icd_id
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#define icmp_seq icmp_hun.ih_idseq.icd_seq
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#define icmp_void icmp_hun.ih_void
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#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void
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#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
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#define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
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#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa
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#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
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#define icmp_otime icmp_dun.id_ts.its_otime
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#define icmp_rtime icmp_dun.id_ts.its_rtime
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#define icmp_ttime icmp_dun.id_ts.its_ttime
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#define icmp_ip icmp_dun.id_ip.idi_ip
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#define icmp_radv icmp_dun.id_radv
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#define icmp_mask icmp_dun.id_mask
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#define icmp_data icmp_dun.id_data
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#define ICMP_MINLEN 8
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#define ICMP_TSLEN (8 + 3 * sizeof (n_time))
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#define ICMP_MASKLEN 12
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#define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8)
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#define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
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#define ICMP_UNREACH 3
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#define ICMP_SOURCEQUENCH 4
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#define ICMP_ROUTERADVERT 9
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#define ICMP_ROUTERSOLICIT 10
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#define ICMP_TIMXCEED 11
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#define ICMP_PARAMPROB 12
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#define ICMP_TSTAMP 13
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#define ICMP_TSTAMPREPLY 14
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#define ICMP_IREQ 15
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#define ICMP_IREQREPLY 16
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#define ICMP_MASKREQ 17
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#define ICMP_MASKREPLY 18
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#define ICMP_MAXTYPE 18
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#define ICMP_UNREACH_NET 0
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#define ICMP_UNREACH_HOST 1
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#define ICMP_UNREACH_PROTOCOL 2
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#define ICMP_UNREACH_PORT 3
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#define ICMP_UNREACH_NEEDFRAG 4
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#define ICMP_UNREACH_SRCFAIL 5
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#define ICMP_UNREACH_NET_UNKNOWN 6
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#define ICMP_UNREACH_HOST_UNKNOWN 7
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#define ICMP_UNREACH_ISOLATED 8
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#define ICMP_UNREACH_NET_PROHIB 9
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#define ICMP_UNREACH_HOST_PROHIB 10
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#define ICMP_UNREACH_TOSNET 11
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#define ICMP_UNREACH_TOSHOST 12
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#define ICMP_UNREACH_FILTER_PROHIB 13
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#define ICMP_UNREACH_HOST_PRECEDENCE 14
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#define ICMP_UNREACH_PRECEDENCE_CUTOFF 15
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#define ICMP_REDIRECT_NET 0
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#define ICMP_REDIRECT_HOST 1
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#define ICMP_REDIRECT_TOSNET 2
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#define ICMP_REDIRECT_TOSHOST 3
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#define ICMP_TIMXCEED_INTRANS 0
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#define ICMP_TIMXCEED_REASS 1
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#define ICMP_PARAMPROB_OPTABSENT 1
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#define ICMP_INFOTYPE(type) \
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((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \
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(type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \
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(type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \
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(type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \
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(type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)
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#ifdef __cplusplus
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}
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#endif
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#endif
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