1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/sctp/src/user_ip_icmp.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,223 @@
1.4 +/*-
1.5 + * Copyright (c) 1982, 1986, 1993
1.6 + * The Regents of the University of California. All rights reserved.
1.7 + *
1.8 + * Redistribution and use in source and binary forms, with or without
1.9 + * modification, are permitted provided that the following conditions
1.10 + * are met:
1.11 + * 1. Redistributions of source code must retain the above copyright
1.12 + * notice, this list of conditions and the following disclaimer.
1.13 + * 2. Redistributions in binary form must reproduce the above copyright
1.14 + * notice, this list of conditions and the following disclaimer in the
1.15 + * documentation and/or other materials provided with the distribution.
1.16 + * 4. Neither the name of the University nor the names of its contributors
1.17 + * may be used to endorse or promote products derived from this software
1.18 + * without specific prior written permission.
1.19 + *
1.20 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
1.21 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.22 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.23 + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
1.24 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.25 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.26 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.27 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.28 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.29 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.30 + * SUCH DAMAGE.
1.31 + *
1.32 + */
1.33 +
1.34 +#ifndef _USER_IP_ICMP_H_
1.35 +#define _USER_IP_ICMP_H_
1.36 +
1.37 +/*
1.38 + * Interface Control Message Protocol Definitions.
1.39 + * Per RFC 792, September 1981.
1.40 + */
1.41 +
1.42 +/*
1.43 + * Internal of an ICMP Router Advertisement
1.44 + */
1.45 +struct icmp_ra_addr {
1.46 + u_int32_t ira_addr;
1.47 + u_int32_t ira_preference;
1.48 +};
1.49 +
1.50 +/*
1.51 + * Structure of an icmp header.
1.52 + */
1.53 +struct icmphdr {
1.54 + u_char icmp_type; /* type of message, see below */
1.55 + u_char icmp_code; /* type sub code */
1.56 + u_short icmp_cksum; /* ones complement cksum of struct */
1.57 +};
1.58 +
1.59 +#if defined(__Userspace_os_Windows)
1.60 +struct icmp6_hdr {
1.61 + u_int8_t icmp6_type;
1.62 + u_int8_t icmp6_code;
1.63 + u_int16_t icmp6_cksum;
1.64 + union {
1.65 + u_int32_t icmp6_un_data32[1];
1.66 + u_int16_t icmp6_un_data16[2];
1.67 + u_int8_t icmp6_un_data8[4];
1.68 + } icmp6_dataun;
1.69 +} __packed;
1.70 +
1.71 +#define icmp6_data32 icmp6_dataun.icmp6_un_data32
1.72 +#define icmp6_mtu icmp6_data32[0]
1.73 +#endif
1.74 +
1.75 +/*
1.76 + * Structure of an icmp packet.
1.77 + *
1.78 + * XXX: should start with a struct icmphdr.
1.79 + */
1.80 +struct icmp {
1.81 + u_char icmp_type; /* type of message, see below */
1.82 + u_char icmp_code; /* type sub code */
1.83 + u_short icmp_cksum; /* ones complement cksum of struct */
1.84 + union {
1.85 + u_char ih_pptr; /* ICMP_PARAMPROB */
1.86 + struct in_addr ih_gwaddr; /* ICMP_REDIRECT */
1.87 + struct ih_idseq {
1.88 + uint16_t icd_id; /* network format */
1.89 + uint16_t icd_seq; /* network format */
1.90 + } ih_idseq;
1.91 + int ih_void;
1.92 +
1.93 + /* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */
1.94 + struct ih_pmtu {
1.95 + uint16_t ipm_void; /* network format */
1.96 + uint16_t ipm_nextmtu; /* network format */
1.97 + } ih_pmtu;
1.98 +
1.99 + struct ih_rtradv {
1.100 + u_char irt_num_addrs;
1.101 + u_char irt_wpa;
1.102 + u_int16_t irt_lifetime;
1.103 + } ih_rtradv;
1.104 + } icmp_hun;
1.105 +#define icmp_pptr icmp_hun.ih_pptr
1.106 +#define icmp_gwaddr icmp_hun.ih_gwaddr
1.107 +#define icmp_id icmp_hun.ih_idseq.icd_id
1.108 +#define icmp_seq icmp_hun.ih_idseq.icd_seq
1.109 +#define icmp_void icmp_hun.ih_void
1.110 +#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void
1.111 +#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
1.112 +#define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
1.113 +#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa
1.114 +#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
1.115 + union {
1.116 + struct id_ts { /* ICMP Timestamp */
1.117 + /*
1.118 + * The next 3 fields are in network format,
1.119 + * milliseconds since 00:00 GMT
1.120 + */
1.121 + uint32_t its_otime; /* Originate */
1.122 + uint32_t its_rtime; /* Receive */
1.123 + uint32_t its_ttime; /* Transmit */
1.124 + } id_ts;
1.125 + struct id_ip {
1.126 + struct ip idi_ip;
1.127 + /* options and then 64 bits of data */
1.128 + } id_ip;
1.129 + struct icmp_ra_addr id_radv;
1.130 + u_int32_t id_mask;
1.131 + char id_data[1];
1.132 + } icmp_dun;
1.133 +#define icmp_otime icmp_dun.id_ts.its_otime
1.134 +#define icmp_rtime icmp_dun.id_ts.its_rtime
1.135 +#define icmp_ttime icmp_dun.id_ts.its_ttime
1.136 +#define icmp_ip icmp_dun.id_ip.idi_ip
1.137 +#define icmp_radv icmp_dun.id_radv
1.138 +#define icmp_mask icmp_dun.id_mask
1.139 +#define icmp_data icmp_dun.id_data
1.140 +};
1.141 +
1.142 +/*
1.143 + * Lower bounds on packet lengths for various types.
1.144 + * For the error advice packets must first insure that the
1.145 + * packet is large enough to contain the returned ip header.
1.146 + * Only then can we do the check to see if 64 bits of packet
1.147 + * data have been returned, since we need to check the returned
1.148 + * ip header length.
1.149 + */
1.150 +#define ICMP_MINLEN 8 /* abs minimum */
1.151 +#define ICMP_TSLEN (8 + 3 * sizeof (uint32_t)) /* timestamp */
1.152 +#define ICMP_MASKLEN 12 /* address mask */
1.153 +#define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */
1.154 +#define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
1.155 + /* N.B.: must separately check that ip_hl >= 5 */
1.156 +
1.157 +/*
1.158 + * Definition of type and code field values.
1.159 + */
1.160 +#define ICMP_ECHOREPLY 0 /* echo reply */
1.161 +#define ICMP_UNREACH 3 /* dest unreachable, codes: */
1.162 +#define ICMP_UNREACH_NET 0 /* bad net */
1.163 +#define ICMP_UNREACH_HOST 1 /* bad host */
1.164 +#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */
1.165 +#define ICMP_UNREACH_PORT 3 /* bad port */
1.166 +#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */
1.167 +#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */
1.168 +#define ICMP_UNREACH_NET_UNKNOWN 6 /* unknown net */
1.169 +#define ICMP_UNREACH_HOST_UNKNOWN 7 /* unknown host */
1.170 +#define ICMP_UNREACH_ISOLATED 8 /* src host isolated */
1.171 +#define ICMP_UNREACH_NET_PROHIB 9 /* prohibited access */
1.172 +#define ICMP_UNREACH_HOST_PROHIB 10 /* ditto */
1.173 +#define ICMP_UNREACH_TOSNET 11 /* bad tos for net */
1.174 +#define ICMP_UNREACH_TOSHOST 12 /* bad tos for host */
1.175 +#define ICMP_UNREACH_FILTER_PROHIB 13 /* admin prohib */
1.176 +#define ICMP_UNREACH_HOST_PRECEDENCE 14 /* host prec vio. */
1.177 +#define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 /* prec cutoff */
1.178 +#define ICMP_SOURCEQUENCH 4 /* packet lost, slow down */
1.179 +#define ICMP_REDIRECT 5 /* shorter route, codes: */
1.180 +#define ICMP_REDIRECT_NET 0 /* for network */
1.181 +#define ICMP_REDIRECT_HOST 1 /* for host */
1.182 +#define ICMP_REDIRECT_TOSNET 2 /* for tos and net */
1.183 +#define ICMP_REDIRECT_TOSHOST 3 /* for tos and host */
1.184 +#define ICMP_ALTHOSTADDR 6 /* alternate host address */
1.185 +#define ICMP_ECHO 8 /* echo service */
1.186 +#define ICMP_ROUTERADVERT 9 /* router advertisement */
1.187 +#define ICMP_ROUTERADVERT_NORMAL 0 /* normal advertisement */
1.188 +#define ICMP_ROUTERADVERT_NOROUTE_COMMON 16 /* selective routing */
1.189 +#define ICMP_ROUTERSOLICIT 10 /* router solicitation */
1.190 +#define ICMP_TIMXCEED 11 /* time exceeded, code: */
1.191 +#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */
1.192 +#define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */
1.193 +#define ICMP_PARAMPROB 12 /* ip header bad */
1.194 +#define ICMP_PARAMPROB_ERRATPTR 0 /* error at param ptr */
1.195 +#define ICMP_PARAMPROB_OPTABSENT 1 /* req. opt. absent */
1.196 +#define ICMP_PARAMPROB_LENGTH 2 /* bad length */
1.197 +#define ICMP_TSTAMP 13 /* timestamp request */
1.198 +#define ICMP_TSTAMPREPLY 14 /* timestamp reply */
1.199 +#define ICMP_IREQ 15 /* information request */
1.200 +#define ICMP_IREQREPLY 16 /* information reply */
1.201 +#define ICMP_MASKREQ 17 /* address mask request */
1.202 +#define ICMP_MASKREPLY 18 /* address mask reply */
1.203 +#define ICMP_TRACEROUTE 30 /* traceroute */
1.204 +#define ICMP_DATACONVERR 31 /* data conversion error */
1.205 +#define ICMP_MOBILE_REDIRECT 32 /* mobile host redirect */
1.206 +#define ICMP_IPV6_WHEREAREYOU 33 /* IPv6 where-are-you */
1.207 +#define ICMP_IPV6_IAMHERE 34 /* IPv6 i-am-here */
1.208 +#define ICMP_MOBILE_REGREQUEST 35 /* mobile registration req */
1.209 +#define ICMP_MOBILE_REGREPLY 36 /* mobile registration reply */
1.210 +#define ICMP_SKIP 39 /* SKIP */
1.211 +#define ICMP_PHOTURIS 40 /* Photuris */
1.212 +#define ICMP_PHOTURIS_UNKNOWN_INDEX 1 /* unknown sec index */
1.213 +#define ICMP_PHOTURIS_AUTH_FAILED 2 /* auth failed */
1.214 +#define ICMP_PHOTURIS_DECRYPT_FAILED 3 /* decrypt failed */
1.215 +
1.216 +#define ICMP_MAXTYPE 40
1.217 +
1.218 +#define ICMP_INFOTYPE(type) \
1.219 + ((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \
1.220 + (type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \
1.221 + (type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \
1.222 + (type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \
1.223 + (type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)
1.224 +
1.225 +
1.226 +#endif
