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Diffstat (limited to 'inet/netinet/icmp6.h')
| -rw-r--r-- | inet/netinet/icmp6.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/inet/netinet/icmp6.h b/inet/netinet/icmp6.h new file mode 100644 index 0000000000..ef85269117 --- /dev/null +++ b/inet/netinet/icmp6.h @@ -0,0 +1,203 @@ +/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _NETINET_ICMP6_H +#define _NETINET_ICMP6_H 1 + +#include <sys/types.h> + +#define ICMPV6_FILTER 1 + +#define ICMPV6_FILTER_BLOCK 1 +#define ICMPV6_FILTER_PASS 2 +#define ICMPV6_FILTER_BLOCKOTHERS 3 +#define ICMPV6_FILTER_PASSONLY 4 + +struct icmpv6_filter + { + u_int32_t data[8]; + }; + +struct icmpv6hdr + { + u_int8_t icmpv6_type; /* type field */ + u_int8_t icmpv6_code; /* code field */ + u_int16_t icmpv6_cksum; /* checksum field */ + union + { + u_int32_t un_data32[1]; /* type-specific field */ + u_int16_t un_data16[2]; /* type-specific field */ + u_int8_t un_data8[4]; /* type-specific field */ + } icmpv6_dataun; + }; + +#define icmpv6_data32 icmpv6_dataun.un_data32 +#define icmpv6_data16 icmpv6_dataun.un_data16 +#define icmpv6_data8 icmpv6_dataun.un_data8 +#define icmpv6_pptr icmpv6_data32[0] /* parameter prob */ +#define icmpv6_mtu icmpv6_data32[0] /* packet too big */ +#define icmpv6_id icmpv6_data16[0] /* echo request/reply */ +#define icmpv6_seq icmpv6_data16[1] /* echo request/reply */ +#define icmpv6_maxdelay icmpv6_data16[0] /* mcast group membership */ + +#define ICMPV6_DEST_UNREACH 1 +#define ICMPV6_PACKET_TOOBIG 2 +#define ICMPV6_TIME_EXCEEDED 3 +#define ICMPV6_PARAMETER_PROBLEM 4 +#define ICMPV6_INFOMSG_MASK 128 /* message is info if bit set */ +#define ICMPV6_ECHOREQUEST 128 +#define ICMPV6_ECHOREPLY 129 +#define ICMPV6_MGM_QUERY 130 +#define ICMPV6_MGM_REPORT 131 +#define ICMPV6_MGM_REDUCTION 132 + +#define ICMPV6_DEST_UNREACH_NOROUTE 0 +#define ICMPV6_DEST_UNREACH_ADMIN 1 /* administratively prohibited */ +#define ICMPV6_DEST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor (and must be) */ +#define ICMPV6_DEST_UNREACH_ADDR 3 +#define ICMPV6_DEST_UNREACH_NOPORT 4 +#define ICMPV6_TIME_EXCEED_HOPS 0 /* Hop Limit == 0 in transit */ +#define ICMPV6_TIME_EXCEED_REASSEMBLY 1 /* Reassembly time out */ +#define ICMPV6_PARAMPROB_HEADER 0 /* erroneous header field */ +#define ICMPV6_PARAMPROB_NEXTHEADER 1 /* unrecognized Next Header */ +#define ICMPV6_PARAMPROB_OPTION 2 /* unrecognized option */ + +#if defined(__OPTIMIZE__) +#include <asm/bitops.h> + +#define ICMPV6_FILTER_WILLPASS(type, filterp) \ + (test_bit (type, filterp) == 0) + +#define ICMPV6_FILTER_WILLBLOCK(type, filterp) \ + test_bit (type, filterp) + +#define ICMPV6_FILTER_SETPASS(type, filterp) \ + clear_bit (type & 0x1f, &((filterp)->data[type >> 5])) + +#define ICMPV6_FILTER_SETBLOCK(type, filterp) \ + set_bit (type & 0x1f, &((filterp)->data[type >> 5])) +#else +#define ICMPV6_FILTER_WILLPASS(type, filterp) \ + ((((filterp)->data[(type) >> 5]) & (1 << ((type) & 31))) == 0) + +#define ICMPV6_FILTER_WILLBLOCK(type, filterp) \ + ((((filterp)->data[(type) >> 5]) & (1 << ((type) & 31))) != 0) + +#define ICMPV6_FILTER_SETPASS(type, filterp) \ + ((((filterp)->data[(type) >> 5]) &= ~(1 << ((type) & 31)))) + +#define ICMPV6_FILTER_SETBLOCK(type, filterp) \ + ((((filterp)->data[(type) >> 5]) |= (1 << ((type) & 31)))) +#endif + +#define ICMPV6_FILTER_SETPASSALL(filterp) \ + memset (filterp, 0, sizeof (struct icmpv6_filter)); + +#define ICMPV6_FILTER_SETBLOCKALL(filterp) \ + memset (filterp, 0xFF, sizeof (struct icmpv6_filter)); + +#define ND6_ROUTER_SOLICITATION 133 +#define ND6_ROUTER_ADVERTISEMENT 134 +#define ND6_NEIGHBOR_SOLICITATION 135 +#define ND6_NEIGHBOR_ADVERTISEMENT 136 +#define ND6_REDIRECT 137 + +enum nd6_option + { + ND6_OPT_SOURCE_LINKADDR=1, + ND6_OPT_TARGET_LINKADDR=2, + ND6_OPT_PREFIX_INFORMATION=3, + ND6_OPT_REDIRECTED_HEADER=4, + ND6_OPT_MTU=5, + ND6_OPT_ENDOFLIST=256 + }; + +struct nd6_router_solicit /* router solicitation */ + { + struct icmpv6hdr rsol_hdr; + }; + +#define rsol_type rsol_hdr.icmpv6_type +#define rsol_code rsol_hdr.icmpv6_code +#define rsol_cksum rsol_hdr.icmpv6_cksum +#define rsol_reserved rsol_hdr.icmpv6_data32[0] + +struct nd6_router_advert + { + struct icmpv6hdr radv_hdr; + u_int32_t radv_reachable; /* reachable time */ + u_int32_t radv_retransmit; /* reachable retransmit time */ + }; + +#define radv_type radv_hdr.icmpv6_type +#define radv_code radv_hdr.icmpv6_code +#define radv_cksum radv_hdr.icmpv6_cksum +#define radv_maxhoplimit radv_hdr.icmpv6_data8[0] +#define radv_m_o_res radv_hdr.icmpv6_data8[1] +#define ND6_RADV_M_BIT 0x80 +#define ND6_RADV_O_BIT 0x40 +#define radv_router_lifetime radv_hdr.icmpv6_data16[1] + +struct nd6_nsolicitation /* neighbor solicitation */ + { + struct icmpv6hdr nsol6_hdr; + struct in6_addr nsol6_target; + }; + +struct nd6_nadvertisement /* neighbor advertisement */ + { + struct icmpv6hdr nadv6_hdr; + struct in6_addr nadv6_target; + }; + +#define nadv6_flags nadv6_hdr.icmpv6_data32[0] +#define ND6_NADVERFLAG_ISROUTER 0x80 +#define ND6_NADVERFLAG_SOLICITED 0x40 +#define ND6_NADVERFLAG_OVERRIDE 0x20 + +struct nd6_redirect /* redirect */ + { + struct icmpv6hdr redirect_hdr; + struct in6_addr redirect_target; + struct in6_addr redirect_destination; + }; + +struct nd6_opt_prefix_info /* prefix information */ + { + u_int8_t opt_type; + u_int8_t opt_length; + u_int8_t opt_prefix_length; + u_int8_t opt_l_a_res; + u_int32_t opt_valid_life; + u_int32_t opt_preferred_life; + u_int32_t opt_reserved2; + struct in6_addr opt_prefix; + }; + +#define ND6_OPT_PI_L_BIT 0x80 +#define ND6_OPT_PI_A_BIT 0x40 + +struct nd6_opt_mtu /* MTU option */ + { + u_int8_t opt_type; + u_int8_t opt_length; + u_int16_t opt_reserved; + u_int32_t opt_mtu; + }; + +#endif /* _NETINET6_ICMPV6_H */ |