| #ifndef _NETINET_IP6_H |
| #define _NETINET_IP6_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include <stdint.h> |
| #include <netinet/in.h> |
| |
| struct ip6_hdr { |
| union { |
| struct ip6_hdrctl { |
| uint32_t ip6_un1_flow; |
| uint16_t ip6_un1_plen; |
| uint8_t ip6_un1_nxt; |
| uint8_t ip6_un1_hlim; |
| } ip6_un1; |
| uint8_t ip6_un2_vfc; |
| } ip6_ctlun; |
| struct in6_addr ip6_src; |
| struct in6_addr ip6_dst; |
| }; |
| |
| #define ip6_vfc ip6_ctlun.ip6_un2_vfc |
| #define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow |
| #define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen |
| #define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt |
| #define ip6_hlim ip6_ctlun.ip6_un1.ip6_un1_hlim |
| #define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim |
| |
| struct ip6_ext { |
| uint8_t ip6e_nxt; |
| uint8_t ip6e_len; |
| }; |
| |
| struct ip6_hbh { |
| uint8_t ip6h_nxt; |
| uint8_t ip6h_len; |
| }; |
| |
| struct ip6_dest { |
| uint8_t ip6d_nxt; |
| uint8_t ip6d_len; |
| }; |
| |
| struct ip6_rthdr { |
| uint8_t ip6r_nxt; |
| uint8_t ip6r_len; |
| uint8_t ip6r_type; |
| uint8_t ip6r_segleft; |
| }; |
| |
| struct ip6_rthdr0 { |
| uint8_t ip6r0_nxt; |
| uint8_t ip6r0_len; |
| uint8_t ip6r0_type; |
| uint8_t ip6r0_segleft; |
| uint8_t ip6r0_reserved; |
| uint8_t ip6r0_slmap[3]; |
| struct in6_addr ip6r0_addr[]; |
| }; |
| |
| struct ip6_frag { |
| uint8_t ip6f_nxt; |
| uint8_t ip6f_reserved; |
| uint16_t ip6f_offlg; |
| uint32_t ip6f_ident; |
| }; |
| |
| #if __BYTE_ORDER == __BIG_ENDIAN |
| #define IP6F_OFF_MASK 0xfff8 |
| #define IP6F_RESERVED_MASK 0x0006 |
| #define IP6F_MORE_FRAG 0x0001 |
| #else |
| #define IP6F_OFF_MASK 0xf8ff |
| #define IP6F_RESERVED_MASK 0x0600 |
| #define IP6F_MORE_FRAG 0x0100 |
| #endif |
| |
| struct ip6_opt { |
| uint8_t ip6o_type; |
| uint8_t ip6o_len; |
| }; |
| |
| #define IP6OPT_TYPE(o) ((o) & 0xc0) |
| #define IP6OPT_TYPE_SKIP 0x00 |
| #define IP6OPT_TYPE_DISCARD 0x40 |
| #define IP6OPT_TYPE_FORCEICMP 0x80 |
| #define IP6OPT_TYPE_ICMP 0xc0 |
| #define IP6OPT_TYPE_MUTABLE 0x20 |
| |
| #define IP6OPT_PAD1 0 |
| #define IP6OPT_PADN 1 |
| |
| #define IP6OPT_JUMBO 0xc2 |
| #define IP6OPT_NSAP_ADDR 0xc3 |
| #define IP6OPT_TUNNEL_LIMIT 0x04 |
| #define IP6OPT_ROUTER_ALERT 0x05 |
| |
| struct ip6_opt_jumbo { |
| uint8_t ip6oj_type; |
| uint8_t ip6oj_len; |
| uint8_t ip6oj_jumbo_len[4]; |
| }; |
| #define IP6OPT_JUMBO_LEN 6 |
| |
| struct ip6_opt_nsap { |
| uint8_t ip6on_type; |
| uint8_t ip6on_len; |
| uint8_t ip6on_src_nsap_len; |
| uint8_t ip6on_dst_nsap_len; |
| }; |
| |
| struct ip6_opt_tunnel { |
| uint8_t ip6ot_type; |
| uint8_t ip6ot_len; |
| uint8_t ip6ot_encap_limit; |
| }; |
| |
| struct ip6_opt_router { |
| uint8_t ip6or_type; |
| uint8_t ip6or_len; |
| uint8_t ip6or_value[2]; |
| }; |
| |
| #if __BYTE_ORDER == __BIG_ENDIAN |
| #define IP6_ALERT_MLD 0x0000 |
| #define IP6_ALERT_RSVP 0x0001 |
| #define IP6_ALERT_AN 0x0002 |
| #else |
| #define IP6_ALERT_MLD 0x0000 |
| #define IP6_ALERT_RSVP 0x0100 |
| #define IP6_ALERT_AN 0x0200 |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |