1*21482Ssklower /* ns.h 6.1 85/05/30 */ 2*21482Ssklower 3*21482Ssklower /* 4*21482Ssklower * Constants and Structures defined by the Xerox Network Software 5*21482Ssklower * per "Internet Transport Protocols", XSIS 028112, December 1981 6*21482Ssklower */ 7*21482Ssklower 8*21482Ssklower /* 9*21482Ssklower * Protocols 10*21482Ssklower */ 11*21482Ssklower #define NSPROTO_RI 1 /* Routing Information */ 12*21482Ssklower #define NSPROTO_ECHO 2 /* Echo Protocol */ 13*21482Ssklower #define NSPROTO_ERROR 3 /* Error Protocol */ 14*21482Ssklower #define NSPROTO_PE 4 /* Packet Exchange */ 15*21482Ssklower #define NSPROTO_SPP 5 /* Sequenced Packet */ 16*21482Ssklower #define NSPROTO_RAW 255 /* Placemarker*/ 17*21482Ssklower #define NSPROTO_MAX 256 /* Placemarker*/ 18*21482Ssklower 19*21482Ssklower 20*21482Ssklower /* 21*21482Ssklower * Port/Socket numbers: network standard functions 22*21482Ssklower */ 23*21482Ssklower 24*21482Ssklower #define NSPORT_RI 1 /* Routing Information */ 25*21482Ssklower #define NSPORT_ECHO 2 /* Echo */ 26*21482Ssklower #define NSPORT_RE 3 /* Router Error */ 27*21482Ssklower 28*21482Ssklower /* 29*21482Ssklower * Ports < NSPORT_RESERVED are reserved for priveleged 30*21482Ssklower * processes (e.g. root). 31*21482Ssklower */ 32*21482Ssklower #define NSPORT_RESERVED 3000 33*21482Ssklower 34*21482Ssklower /* flags passed to ns_output as last parameter */ 35*21482Ssklower 36*21482Ssklower #define NS_FORWARDING 0x1 /* most of idp header exists */ 37*21482Ssklower #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */ 38*21482Ssklower #define NS_ALLOWBROADCAST SS_PRIV /* can send broadcast packets */ 39*21482Ssklower 40*21482Ssklower #define NS_MAXHOPS 15 41*21482Ssklower 42*21482Ssklower /* flags passed to get/set socket option */ 43*21482Ssklower #define SO_HEADERS_ON_INPUT 1 44*21482Ssklower #define SO_HEADERS_ON_OUTPUT 2 45*21482Ssklower #define SO_DEFAULT_HEADERS 3 46*21482Ssklower #define SO_LAST_HEADER 4 47*21482Ssklower #define SO_NSIP_ROUTE 5 48*21482Ssklower 49*21482Ssklower 50*21482Ssklower /* 51*21482Ssklower * NS addressing 52*21482Ssklower */ 53*21482Ssklower union ns_host { 54*21482Ssklower u_char c_host[6]; 55*21482Ssklower u_short s_host[3]; 56*21482Ssklower }; 57*21482Ssklower 58*21482Ssklower union ns_net { 59*21482Ssklower u_char c_net[4]; 60*21482Ssklower u_short s_net[2]; 61*21482Ssklower }; 62*21482Ssklower 63*21482Ssklower struct ns_addr { 64*21482Ssklower union ns_net x_net; 65*21482Ssklower union ns_host x_host; 66*21482Ssklower u_short x_port; 67*21482Ssklower }; 68*21482Ssklower 69*21482Ssklower /* 70*21482Ssklower * Socket address, Xerox style 71*21482Ssklower */ 72*21482Ssklower struct sockaddr_ns { 73*21482Ssklower short sns_family; 74*21482Ssklower struct ns_addr sns_addr; 75*21482Ssklower char sns_zero[4]; 76*21482Ssklower }; 77*21482Ssklower #define sns_port sns_addr.x_port 78*21482Ssklower 79*21482Ssklower #define ns_netof(a) (*(long *) & ((a).x_net)) 80*21482Ssklower #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr) 81*21482Ssklower #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \ 82*21482Ssklower (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2]) 83*21482Ssklower #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host)) 84*21482Ssklower #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \ 85*21482Ssklower ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0)) 86*21482Ssklower 87*21482Ssklower #if !defined(vax) 88*21482Ssklower #if !defined(INET) 89*21482Ssklower /* 90*21482Ssklower * Macros for number representation conversion. 91*21482Ssklower */ 92*21482Ssklower #define ntohl(x) (x) 93*21482Ssklower #define ntohs(x) (x) 94*21482Ssklower #define htonl(x) (x) 95*21482Ssklower #define htons(x) (x) 96*21482Ssklower #endif 97*21482Ssklower #endif 98*21482Ssklower 99*21482Ssklower #ifdef KERNEL 100*21482Ssklower extern struct domain nsdomain; 101*21482Ssklower extern union ns_host ns_thishost; 102*21482Ssklower extern union ns_host ns_zerohost; 103*21482Ssklower extern union ns_host ns_broadhost; 104*21482Ssklower u_short ns_cksum(); 105*21482Ssklower #endif 106