diff options
Diffstat (limited to 'include/netinet/icmp6.h')
| -rw-r--r-- | include/netinet/icmp6.h | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/include/netinet/icmp6.h b/include/netinet/icmp6.h new file mode 100644 index 00000000..01269e7d --- /dev/null +++ b/include/netinet/icmp6.h @@ -0,0 +1,305 @@ +#ifndef _NETINET_ICMP6_H +#define _NETINET_ICMP6_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdint.h> +#include <string.h> +#include <sys/types.h> +#include <netinet/in.h> + +#define ICMP6_FILTER 1 + +#define ICMP6_FILTER_BLOCK 1 +#define ICMP6_FILTER_PASS 2 +#define ICMP6_FILTER_BLOCKOTHERS 3 +#define ICMP6_FILTER_PASSONLY 4 + +struct icmp6_filter { + uint32_t icmp6_filt[8]; +}; + +struct icmp6_hdr { + uint8_t icmp6_type; + uint8_t icmp6_code; + uint16_t icmp6_cksum; + union { + uint32_t icmp6_un_data32[1]; + uint16_t icmp6_un_data16[2]; + uint8_t icmp6_un_data8[4]; + } icmp6_dataun; +}; + +#define icmp6_data32 icmp6_dataun.icmp6_un_data32 +#define icmp6_data16 icmp6_dataun.icmp6_un_data16 +#define icmp6_data8 icmp6_dataun.icmp6_un_data8 +#define icmp6_pptr icmp6_data32[0] +#define icmp6_mtu icmp6_data32[0] +#define icmp6_id icmp6_data16[0] +#define icmp6_seq icmp6_data16[1] +#define icmp6_maxdelay icmp6_data16[0] + +#define ICMP6_DST_UNREACH 1 +#define ICMP6_PACKET_TOO_BIG 2 +#define ICMP6_TIME_EXCEEDED 3 +#define ICMP6_PARAM_PROB 4 + +#define ICMP6_INFOMSG_MASK 0x80 + +#define ICMP6_ECHO_REQUEST 128 +#define ICMP6_ECHO_REPLY 129 +#define MLD_LISTENER_QUERY 130 +#define MLD_LISTENER_REPORT 131 +#define MLD_LISTENER_REDUCTION 132 + +#define ICMP6_DST_UNREACH_NOROUTE 0 +#define ICMP6_DST_UNREACH_ADMIN 1 +#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 +#define ICMP6_DST_UNREACH_ADDR 3 +#define ICMP6_DST_UNREACH_NOPORT 4 + +#define ICMP6_TIME_EXCEED_TRANSIT 0 +#define ICMP6_TIME_EXCEED_REASSEMBLY 1 + +#define ICMP6_PARAMPROB_HEADER 0 +#define ICMP6_PARAMPROB_NEXTHEADER 1 +#define ICMP6_PARAMPROB_OPTION 2 + +#define ICMP6_FILTER_WILLPASS(type, filterp) \ + ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0) + +#define ICMP6_FILTER_WILLBLOCK(type, filterp) \ + ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0) + +#define ICMP6_FILTER_SETPASS(type, filterp) \ + ((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31)))) + +#define ICMP6_FILTER_SETBLOCK(type, filterp) \ + ((((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31)))) + +#define ICMP6_FILTER_SETPASSALL(filterp) \ + memset (filterp, 0, sizeof (struct icmp6_filter)); + +#define ICMP6_FILTER_SETBLOCKALL(filterp) \ + memset (filterp, 0xFF, sizeof (struct icmp6_filter)); + +#define ND_ROUTER_SOLICIT 133 +#define ND_ROUTER_ADVERT 134 +#define ND_NEIGHBOR_SOLICIT 135 +#define ND_NEIGHBOR_ADVERT 136 +#define ND_REDIRECT 137 + +struct nd_router_solicit { + struct icmp6_hdr nd_rs_hdr; +}; + +#define nd_rs_type nd_rs_hdr.icmp6_type +#define nd_rs_code nd_rs_hdr.icmp6_code +#define nd_rs_cksum nd_rs_hdr.icmp6_cksum +#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0] + +struct nd_router_advert { + struct icmp6_hdr nd_ra_hdr; + uint32_t nd_ra_reachable; + uint32_t nd_ra_retransmit; +}; + +#define nd_ra_type nd_ra_hdr.icmp6_type +#define nd_ra_code nd_ra_hdr.icmp6_code +#define nd_ra_cksum nd_ra_hdr.icmp6_cksum +#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0] +#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1] +#define ND_RA_FLAG_MANAGED 0x80 +#define ND_RA_FLAG_OTHER 0x40 +#define ND_RA_FLAG_HOME_AGENT 0x20 +#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1] + +struct nd_neighbor_solicit { + struct icmp6_hdr nd_ns_hdr; + struct in6_addr nd_ns_target; +}; + +#define nd_ns_type nd_ns_hdr.icmp6_type +#define nd_ns_code nd_ns_hdr.icmp6_code +#define nd_ns_cksum nd_ns_hdr.icmp6_cksum +#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0] + +struct nd_neighbor_advert { + struct icmp6_hdr nd_na_hdr; + struct in6_addr nd_na_target; +}; + +#define nd_na_type nd_na_hdr.icmp6_type +#define nd_na_code nd_na_hdr.icmp6_code +#define nd_na_cksum nd_na_hdr.icmp6_cksum +#define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0] +#if __BYTE_ORDER == __BIG_ENDIAN +#define ND_NA_FLAG_ROUTER 0x80000000 +#define ND_NA_FLAG_SOLICITED 0x40000000 +#define ND_NA_FLAG_OVERRIDE 0x20000000 +#else +#define ND_NA_FLAG_ROUTER 0x00000080 +#define ND_NA_FLAG_SOLICITED 0x00000040 +#define ND_NA_FLAG_OVERRIDE 0x00000020 +#endif + +struct nd_redirect { + struct icmp6_hdr nd_rd_hdr; + struct in6_addr nd_rd_target; + struct in6_addr nd_rd_dst; +}; + +#define nd_rd_type nd_rd_hdr.icmp6_type +#define nd_rd_code nd_rd_hdr.icmp6_code +#define nd_rd_cksum nd_rd_hdr.icmp6_cksum +#define nd_rd_reserved nd_rd_hdr.icmp6_data32[0] + +struct nd_opt_hdr { + uint8_t nd_opt_type; + uint8_t nd_opt_len; +}; + +#define ND_OPT_SOURCE_LINKADDR 1 +#define ND_OPT_TARGET_LINKADDR 2 +#define ND_OPT_PREFIX_INFORMATION 3 +#define ND_OPT_REDIRECTED_HEADER 4 +#define ND_OPT_MTU 5 +#define ND_OPT_RTR_ADV_INTERVAL 7 +#define ND_OPT_HOME_AGENT_INFO 8 + +struct nd_opt_prefix_info { + uint8_t nd_opt_pi_type; + uint8_t nd_opt_pi_len; + uint8_t nd_opt_pi_prefix_len; + uint8_t nd_opt_pi_flags_reserved; + uint32_t nd_opt_pi_valid_time; + uint32_t nd_opt_pi_preferred_time; + uint32_t nd_opt_pi_reserved2; + struct in6_addr nd_opt_pi_prefix; +}; + +#define ND_OPT_PI_FLAG_ONLINK 0x80 +#define ND_OPT_PI_FLAG_AUTO 0x40 +#define ND_OPT_PI_FLAG_RADDR 0x20 + +struct nd_opt_rd_hdr { + uint8_t nd_opt_rh_type; + uint8_t nd_opt_rh_len; + uint16_t nd_opt_rh_reserved1; + uint32_t nd_opt_rh_reserved2; +}; + +struct nd_opt_mtu { + uint8_t nd_opt_mtu_type; + uint8_t nd_opt_mtu_len; + uint16_t nd_opt_mtu_reserved; + uint32_t nd_opt_mtu_mtu; +}; + +struct mld_hdr { + struct icmp6_hdr mld_icmp6_hdr; + struct in6_addr mld_addr; +}; + +#define mld_type mld_icmp6_hdr.icmp6_type +#define mld_code mld_icmp6_hdr.icmp6_code +#define mld_cksum mld_icmp6_hdr.icmp6_cksum +#define mld_maxdelay mld_icmp6_hdr.icmp6_data16[0] +#define mld_reserved mld_icmp6_hdr.icmp6_data16[1] + +#define ICMP6_ROUTER_RENUMBERING 138 + +struct icmp6_router_renum { + struct icmp6_hdr rr_hdr; + uint8_t rr_segnum; + uint8_t rr_flags; + uint16_t rr_maxdelay; + uint32_t rr_reserved; +}; + +#define rr_type rr_hdr.icmp6_type +#define rr_code rr_hdr.icmp6_code +#define rr_cksum rr_hdr.icmp6_cksum +#define rr_seqnum rr_hdr.icmp6_data32[0] + +#define ICMP6_RR_FLAGS_TEST 0x80 +#define ICMP6_RR_FLAGS_REQRESULT 0x40 +#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20 +#define ICMP6_RR_FLAGS_SPECSITE 0x10 +#define ICMP6_RR_FLAGS_PREVDONE 0x08 + +struct rr_pco_match { + uint8_t rpm_code; + uint8_t rpm_len; + uint8_t rpm_ordinal; + uint8_t rpm_matchlen; + uint8_t rpm_minlen; + uint8_t rpm_maxlen; + uint16_t rpm_reserved; + struct in6_addr rpm_prefix; +}; + +#define RPM_PCO_ADD 1 +#define RPM_PCO_CHANGE 2 +#define RPM_PCO_SETGLOBAL 3 + +struct rr_pco_use { + uint8_t rpu_uselen; + uint8_t rpu_keeplen; + uint8_t rpu_ramask; + uint8_t rpu_raflags; + uint32_t rpu_vltime; + uint32_t rpu_pltime; + uint32_t rpu_flags; + struct in6_addr rpu_prefix; +}; + +#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x20 +#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x10 + +#if __BYTE_ORDER == __BIG_ENDIAN +#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000 +#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000 +#else +#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80 +#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40 +#endif + +struct rr_result { + uint16_t rrr_flags; + uint8_t rrr_ordinal; + uint8_t rrr_matchedlen; + uint32_t rrr_ifid; + struct in6_addr rrr_prefix; +}; + +#if __BYTE_ORDER == __BIG_ENDIAN +#define ICMP6_RR_RESULT_FLAGS_OOB 0x0002 +#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001 +#else +#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200 +#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100 +#endif + +struct nd_opt_adv_interval { + uint8_t nd_opt_adv_interval_type; + uint8_t nd_opt_adv_interval_len; + uint16_t nd_opt_adv_interval_reserved; + uint32_t nd_opt_adv_interval_ival; +}; + +struct nd_opt_home_agent_info { + uint8_t nd_opt_home_agent_info_type; + uint8_t nd_opt_home_agent_info_len; + uint16_t nd_opt_home_agent_info_reserved; + uint16_t nd_opt_home_agent_info_preference; + uint16_t nd_opt_home_agent_info_lifetime; +}; + +#ifdef __cplusplus +} +#endif + +#endif |