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