1 /*********************************************************** 2 Copyright IBM Corporation 1987 3 4 All Rights Reserved 5 6 Permission to use, copy, modify, and distribute this software and its 7 documentation for any purpose and without fee is hereby granted, 8 provided that the above copyright notice appear in all copies and that 9 both that copyright notice and this permission notice appear in 10 supporting documentation, and that the name of IBM not be 11 used in advertising or publicity pertaining to distribution of the 12 software without specific, written prior permission. 13 14 IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 15 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 16 IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 17 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 18 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 19 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 20 SOFTWARE. 21 22 ******************************************************************/ 23 24 /* 25 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison 26 */ 27 /* $Header: iso.h,v 4.9 88/09/11 18:06:38 hagens Exp $ */ 28 /* $Source: /usr/argo/sys/netiso/RCS/iso.h,v $ */ 29 /* @(#)iso.h 7.2 (Berkeley) 04/22/89 */ 30 31 #ifndef __ISO__ 32 #define __ISO__ 33 34 /* 35 * Return true if this is a multicast address 36 * This assumes that the bit transmission is lsb first. This 37 * assumption is valid for 802.3 but not 802.5. There is a 38 * kludge to get around this for 802.5 -- see if_lan.c 39 * where subnetwork header is setup. 40 */ 41 #define IS_MULTICAST(snpa)\ 42 ((snpa)[0] & 0x01) 43 44 /* 45 * Protocols 46 */ 47 #define ISOPROTO_TP0 25 /* connection oriented transport protocol */ 48 #define ISOPROTO_TP1 26 /* not implemented */ 49 #define ISOPROTO_TP2 27 /* not implemented */ 50 #define ISOPROTO_TP3 28 /* not implemented */ 51 #define ISOPROTO_TP4 29 /* connection oriented transport protocol */ 52 #define ISOPROTO_TP ISOPROTO_TP4 /* tp-4 with negotiation */ 53 #define ISOPROTO_CLTP 30 /* connectionless transport (not yet impl.) */ 54 #define ISOPROTO_CLNP 31 /* connectionless internetworking protocol */ 55 #define ISOPROTO_X25 32 /* cons */ 56 #define ISOPROTO_INACT_NL 33 /* inactive network layer! */ 57 #define ISOPROTO_ESIS 34 /* ES-IS protocol */ 58 59 #define ISOPROTO_RAW 255 /* raw clnp */ 60 #define ISOPROTO_MAX 256 61 62 #define ISO_PORT_RESERVED 1024 63 #define ISO_PORT_USERRESERVED 5000 64 /* 65 * Port/socket numbers: standard network functions 66 * NOT PRESENTLY USED 67 */ 68 #define ISO_PORT_MAINT 501 69 #define ISO_PORT_ECHO 507 70 #define ISO_PORT_DISCARD 509 71 #define ISO_PORT_SYSTAT 511 72 #define ISO_PORT_NETSTAT 515 73 /* 74 * Port/socket numbers: non-standard application functions 75 */ 76 #define ISO_PORT_LOGIN 513 77 /* 78 * Port/socket numbers: public use 79 */ 80 #define ISO_PORT_PUBLIC 1024 /* high bit set --> public */ 81 82 /* 83 * Network layer protocol identifiers 84 */ 85 #define ISO8473_CLNP 0x81 86 #define ISO9542_ESIS 0x82 87 #define ISO9542X25_ESIS 0x8a 88 89 #ifndef IN_CLASSA_NET 90 #include "../netinet/in.h" 91 #endif IN_CLASSA_NET 92 93 /* 94 * Type 37 Address 95 * 96 * This address is named for the value of its AFI (37). This format 97 * supports an X.121 address. A type 37 address has the following format: 98 * 99 * <----- idp -------> <- dsp -> 100 * <- afi -> <- idi -> <- dsp -> 101 * | "37" | 7 bytes | 9 bytes | 102 * 103 * The idi contains 14 bcd digits of X.121 address. 104 * The use of the dsp part is unknown. 105 * 106 * The afi is considered the "network" portion of the address. 107 * This means that you can't have multihoming in the x.25 environment. 108 * Makes loopback a bear. 109 */ 110 #define BIGSOCKADDRS 111 #ifdef BIGSOCKADDRS 112 #define ADDR37_IDI_LEN 7 /* 14 bcd digits == 7 octets */ 113 #define ADDR37_DSP_LEN 9 114 #else 115 #define ADDR37_IDI_LEN 7 /* 14 bcd digits == 7 octets */ 116 #define ADDR37_DSP_LEN 3 /* this is a lie to fit in sockaddr */ 117 #endif BIGSOCKADDRS 118 struct addr_37 { 119 u_char a37_idi[ADDR37_IDI_LEN]; /* initial domain identifier */ 120 u_char a37_dsp[ADDR37_DSP_LEN]; /* domain specific part */ 121 }; 122 123 struct ovl_37 { /* overlay for type 37 address */ 124 u_char o37_afi; /* afi */ 125 u_char o37_x121[ADDR37_IDI_LEN]; /* X.121 address */ 126 u_char o37_dsp[ADDR37_DSP_LEN]; /* unknown use at this time */ 127 }; 128 129 /* 130 * OSINET address 131 * 132 * This style address is used by the OSINET group 133 * An OSINET address has the following (variable-length) format 134 * 135 * <----- idp -------> <---------------- dsp ---------------------------> 136 * <- afi -> <- idi -> <---------------- dsp ---------------------------> 137 * | "47" | "0004" | 11 bytes | 138 * | afi(1)| osinetid | orgid(2) | subnet id(2) | (4-8) | nsap sel(1) | 139 * 140 * the afi, orgid, and subnet id are considered the "network" portion of 141 * the address. 142 */ 143 #ifdef BIGSOCKADDRS 144 #define ADDROSINET_IDI_LEN 2 145 #define ADDROSINET_DSP_LEN 11 146 #else 147 #define ADDROSINET_IDI_LEN 2 148 #define ADDROSINET_DSP_LEN 8 /* this is a lie to fit in sockaddr */ 149 #endif BIGSOCKADDRS 150 struct addr_osinet { 151 u_char aosi_idi[ADDROSINET_IDI_LEN]; /* initial domain identifier */ 152 u_char aosi_dsp[ADDROSINET_DSP_LEN]; /* domain specific part */ 153 }; 154 155 #define OVLOSINET_ID_LEN 2 156 #ifdef BIGSOCKADDRS 157 #define OVLOSINET_ORGID_LEN 2 158 #define OVLOSINET_SNETID_LEN 2 159 #define OVLOSINET_SNPA_LEN 8 160 #define OVLOSINET_NSAP_LEN 1 161 #else 162 #define OVLOSINET_ORGID_LEN 2 163 #define OVLOSINET_SNETID_LEN 2 164 #define OVLOSINET_SNPA_LEN 5 /* this is a lie to fit in sockaddr */ 165 #define OVLOSINET_NSAP_LEN 1 166 #endif BIGSOCKADDRS 167 struct ovl_osinet { /* overlay for osinet address */ 168 u_char oosi_afi; /* afi */ 169 u_char oosi_id[OVLOSINET_ID_LEN]; /* osinet id */ 170 u_char oosi_orgid[OVLOSINET_ORGID_LEN]; /* orgid */ 171 u_char oosi_snetid[OVLOSINET_SNETID_LEN]; /* subnet id */ 172 u_char oosi_snpa[OVLOSINET_SNPA_LEN]; /* snpa */ 173 u_char oosi_nsap[OVLOSINET_NSAP_LEN]; /* nsap sel */ 174 }; 175 176 /* 177 * RFC 986 address 178 * 179 * This style address is used when DOD internet addresses are used 180 * The format of rfc986 addresses is: 181 * 182 * <----- idp -------> <---------------- dsp --------------------> 183 * <- afi -> <- idi -> <---------------- dsp --------------------> 184 * | "47" | "0006" | 6 bytes | 185 * | afi(1)| idi(2) | version (1) | inet addr (4) | proto id(1) | 186 * 187 * the afi, idi, and network portion of the inet address are considered 188 * the "network" portion of the address. 189 */ 190 #define ADDRRFC986_IDI_LEN 2 191 #define ADDRRFC986_DSP_LEN 6 192 struct addr_rfc986 { 193 u_char a986_idi[ADDRRFC986_IDI_LEN]; /* initial domain identifier */ 194 u_char a986_dsp[ADDRRFC986_DSP_LEN]; /* domain specific part */ 195 }; 196 197 #define OVLRFC986_INET_LEN 4 198 struct ovl_rfc986 { 199 u_char o986_afi; /* afi */ 200 u_char o986_idi[ADDRRFC986_IDI_LEN]; /* idi */ 201 u_char o986_vers; /* version */ 202 u_char o986_inetaddr[OVLRFC986_INET_LEN]; /* internet address */ 203 u_char o986_upid; /* upper protocol id */ 204 }; 205 #define RFC986V1 0x01 /* version of 986 addr */ 206 207 #define AFI_37 0x37 /* bcd of "37" */ 208 #define AFI_OSINET 0x47 /* bcd of "47" */ 209 #define AFI_RFC986 0x47 /* bcd of "47" */ 210 #define AFI_SNA 0x00 /* SubNetwork Address; invalid really... 211 - used by ES-IS */ 212 213 /* the idi for type 37 addresses is very different than the others */ 214 #define IDI_OSINET 0x0004 /* bcd of "0004" */ 215 #define IDI_RFC986 0x0006 /* bcd of "0006" */ 216 217 /* 218 * This address type is used to store a subnetwork address in a 219 * sockaddr_iso. The isoa_len field should contain the length of the 220 * subnetwork address plus the length of the afi (ie +1 ). 221 * 222 * This address format is used only by the ES-IS protocol 223 */ 224 #define ADDRSNA_IDI_LEN 7 225 struct addr_sn { 226 char sna_addr[ADDRSNA_IDI_LEN]; /* subnetwork address */ 227 }; 228 229 /* 230 * Type 47 is the biggest address: 11 bytes. The length of iso_addr 231 * is 13 bytes. 232 */ 233 struct old_iso_addr { 234 u_char isoa_afi; /* authority and format id */ 235 union { 236 struct addr_37 addr_37; /* type 37 */ 237 struct addr_osinet addr_osinet; /* type osinet */ 238 struct addr_rfc986 addr_rfc986; /* type rfc986 */ 239 struct addr_sn addr_sn; /* subnetwork address */ 240 } isoa_u; 241 u_char isoa_len; /* length (in bytes) */ 242 }; 243 244 /* The following looks like a sockaddr 245 * in case we decide to use tree routines */ 246 struct iso_addr { 247 u_char isoa_len; /* length (in bytes) */ 248 char isoa_genaddr[20]; /* general opaque address */ 249 }; 250 251 #define t37_idi isoa_u.addr_37.a37_idi 252 #define t37_dsp isoa_u.addr_37.a37_dsp 253 #define osinet_idi isoa_u.addr_osinet.aosi_idi 254 #define osinet_dsp isoa_u.addr_osinet.aosi_dsp 255 #define rfc986_idi isoa_u.addr_rfc986.a986_idi 256 #define rfc986_dsp isoa_u.addr_rfc986.a986_dsp 257 #define sna_idi isoa_u.addr_sn.sna_addr 258 259 /* 260 * An iso_addr is 18 bytes, a sockaddr_iso is therefore 20 bytes. 261 * the struct sockaddr data field has been changed to 22 bytes. 262 * 263 * severly changed osinet and t37 addresses from argo code, we don't want 264 * sockaddrs to grow bigger than the original 16 bytes so we changed the 265 * t37 and osinet addresses so that they were only 10 bytes long 266 */ 267 struct sockaddr_iso { 268 u_char siso_len; /* length */ 269 u_char siso_family; /* family */ 270 u_char siso_ssuffixlen; /* session suffix len */ 271 u_char siso_tsuffixlen; /* transport suffix len */ 272 /* u_char siso_nsaptype; /* someday?? */ 273 struct iso_addr siso_addr; /* network address */ 274 u_char siso_pad[3]; /* make multiple of sizeof long */ 275 }; 276 277 #define siso_data siso_addr.isoa_genaddr 278 #define siso_nlen siso_addr.isoa_len 279 #define TSEL(s) ((caddr_t)((s)->siso_data + (s)->siso_nlen)) 280 281 #define SAME_ISOADDR(a, b) \ 282 (bcmp((a)->siso_data, (b)->siso_data, (unsigned)(a)->siso_nlen)==0) 283 284 #define NSAPTYPE_UNKNOWN -1 285 #define NSAPTYPE_INET 0 286 #define NSAPTYPE_X121BCD 1 287 #define NSAPTYPE_X121BIN 2 288 #define NSAPTYPE_DCCBCD 3 289 #define NSAPTYPE_DCCBIN 4 290 #define NSAPTYPE_OSINET 5 291 #define NSAPTYPE_RFC986 6 292 293 #ifdef KERNEL 294 295 extern int iso_netmatch(); 296 extern int iso_hash(); 297 extern int iso_addrmatch(); 298 extern struct iso_ifaddr *iso_iaonnetof(); 299 extern struct domain isodomain; 300 extern struct protosw isosw[]; 301 302 #else 303 /* user utilities definitions from the iso library */ 304 305 char *iso_ntoa(); 306 struct hostent *iso_gethostbyname(), *iso_gethostbyaddr(); 307 308 #endif KERNEL 309 310 #endif __ISO__ 311 #define _offsetof(t, m) ((int)((caddr_t)&((t *)0)->m)) 312