diff options
Diffstat (limited to 'include/netinet/ip6.h')
| -rw-r--r-- | include/netinet/ip6.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/include/netinet/ip6.h b/include/netinet/ip6.h new file mode 100644 index 00000000..a4347a53 --- /dev/null +++ b/include/netinet/ip6.h @@ -0,0 +1,142 @@ +#ifndef _NETINET_IP6_H +#define _NETINET_IP6_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdint.h> +#include <netinet/in.h> +#include <endian.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 |