123205Smckusick /* 223205Smckusick * Copyright (c) 1982 Regents of the University of California. 323205Smckusick * All rights reserved. The Berkeley software License Agreement 423205Smckusick * specifies the terms and conditions for redistribution. 523205Smckusick * 6*23562Ssklower * @(#)ns.h 6.3 (Berkeley) 06/19/85 723205Smckusick */ 821482Ssklower 921482Ssklower /* 1021482Ssklower * Constants and Structures defined by the Xerox Network Software 1121482Ssklower * per "Internet Transport Protocols", XSIS 028112, December 1981 1221482Ssklower */ 1321482Ssklower 1421482Ssklower /* 1521482Ssklower * Protocols 1621482Ssklower */ 1721482Ssklower #define NSPROTO_RI 1 /* Routing Information */ 1821482Ssklower #define NSPROTO_ECHO 2 /* Echo Protocol */ 1921482Ssklower #define NSPROTO_ERROR 3 /* Error Protocol */ 2021482Ssklower #define NSPROTO_PE 4 /* Packet Exchange */ 2121482Ssklower #define NSPROTO_SPP 5 /* Sequenced Packet */ 2221482Ssklower #define NSPROTO_RAW 255 /* Placemarker*/ 2321482Ssklower #define NSPROTO_MAX 256 /* Placemarker*/ 2421482Ssklower 2521482Ssklower 2621482Ssklower /* 2721482Ssklower * Port/Socket numbers: network standard functions 2821482Ssklower */ 2921482Ssklower 3021482Ssklower #define NSPORT_RI 1 /* Routing Information */ 3121482Ssklower #define NSPORT_ECHO 2 /* Echo */ 3221482Ssklower #define NSPORT_RE 3 /* Router Error */ 3321482Ssklower 3421482Ssklower /* 3521482Ssklower * Ports < NSPORT_RESERVED are reserved for priveleged 3621482Ssklower * processes (e.g. root). 3721482Ssklower */ 3821482Ssklower #define NSPORT_RESERVED 3000 3921482Ssklower 4021482Ssklower /* flags passed to ns_output as last parameter */ 4121482Ssklower 4221482Ssklower #define NS_FORWARDING 0x1 /* most of idp header exists */ 4321482Ssklower #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */ 44*23562Ssklower #define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ 4521482Ssklower 4621482Ssklower #define NS_MAXHOPS 15 4721482Ssklower 4821482Ssklower /* flags passed to get/set socket option */ 4921482Ssklower #define SO_HEADERS_ON_INPUT 1 5021482Ssklower #define SO_HEADERS_ON_OUTPUT 2 5121482Ssklower #define SO_DEFAULT_HEADERS 3 5221482Ssklower #define SO_LAST_HEADER 4 5321482Ssklower #define SO_NSIP_ROUTE 5 5421482Ssklower 5521482Ssklower 5621482Ssklower /* 5721482Ssklower * NS addressing 5821482Ssklower */ 5921482Ssklower union ns_host { 6021482Ssklower u_char c_host[6]; 6121482Ssklower u_short s_host[3]; 6221482Ssklower }; 6321482Ssklower 6421482Ssklower union ns_net { 6521482Ssklower u_char c_net[4]; 6621482Ssklower u_short s_net[2]; 6721482Ssklower }; 6821482Ssklower 6921482Ssklower struct ns_addr { 7021482Ssklower union ns_net x_net; 7121482Ssklower union ns_host x_host; 7221482Ssklower u_short x_port; 7321482Ssklower }; 7421482Ssklower 7521482Ssklower /* 7621482Ssklower * Socket address, Xerox style 7721482Ssklower */ 7821482Ssklower struct sockaddr_ns { 7921482Ssklower short sns_family; 8021482Ssklower struct ns_addr sns_addr; 8121482Ssklower char sns_zero[4]; 8221482Ssklower }; 8321482Ssklower #define sns_port sns_addr.x_port 8421482Ssklower 8521482Ssklower #define ns_netof(a) (*(long *) & ((a).x_net)) 8621482Ssklower #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr) 8721482Ssklower #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \ 8821482Ssklower (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2]) 8921482Ssklower #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host)) 9021482Ssklower #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \ 9121482Ssklower ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0)) 9221482Ssklower 9321482Ssklower #if !defined(vax) 9421482Ssklower #if !defined(INET) 9521482Ssklower /* 9621482Ssklower * Macros for number representation conversion. 9721482Ssklower */ 9821482Ssklower #define ntohl(x) (x) 9921482Ssklower #define ntohs(x) (x) 10021482Ssklower #define htonl(x) (x) 10121482Ssklower #define htons(x) (x) 10221482Ssklower #endif 10321482Ssklower #endif 10421482Ssklower 10521482Ssklower #ifdef KERNEL 10621482Ssklower extern struct domain nsdomain; 10721482Ssklower extern union ns_host ns_thishost; 10821482Ssklower extern union ns_host ns_zerohost; 10921482Ssklower extern union ns_host ns_broadhost; 11021482Ssklower u_short ns_cksum(); 11121482Ssklower #endif 112