1 /* 2 * Copyright (c) 1990,1991 Regents of The University of Michigan. 3 * All Rights Reserved. 4 * 5 * Permission to use, copy, modify, and distribute this software and 6 * its documentation for any purpose and without fee is hereby granted, 7 * provided that the above copyright notice appears in all copies and 8 * that both that copyright notice and this permission notice appear 9 * in supporting documentation, and that the name of The University 10 * of Michigan not be used in advertising or publicity pertaining to 11 * distribution of the software without specific, written prior 12 * permission. This software is supplied as is without expressed or 13 * implied warranties of any kind. 14 * 15 * Research Systems Unix Group 16 * The University of Michigan 17 * c/o Mike Clark 18 * 535 W. William Street 19 * Ann Arbor, Michigan 20 * +1-313-763-0525 21 * netatalk@itd.umich.edu 22 */ 23 24 #ifndef __AT_HEADER__ 25 #define __AT_HEADER__ 26 /* 27 * Supported protocols 28 */ 29 #define ATPROTO_DDP 0 30 #define ATPROTO_AARP 254 31 32 /* 33 * Ethernet types, for DIX. 34 * These should really be in some global header file, but we can't 35 * count on them being there, and it's annoying to patch system files. 36 */ 37 #define ETHERTYPE_AT 0x809B /* AppleTalk protocol */ 38 #define ETHERTYPE_AARP 0x80F3 /* AppleTalk ARP */ 39 40 #define DDP_MAXSZ 587 41 42 /* 43 * If ATPORT_FIRST <= Port < ATPORT_RESERVED, 44 * Port was created by a privileged process. 45 * If ATPORT_RESERVED <= Port < ATPORT_LAST, 46 * Port was not necessarily created by a 47 * privileged process. 48 */ 49 #define ATPORT_FIRST 1 50 #define ATPORT_RESERVED 128 51 #define ATPORT_LAST 255 52 53 /* 54 * AppleTalk address. 55 */ 56 struct at_addr { 57 u_short s_net; 58 u_char s_node; 59 }; 60 61 #define ATADDR_ANYNET (u_short)0x0000 62 #define ATADDR_ANYNODE (u_char)0x00 63 #define ATADDR_ANYPORT (u_char)0x00 64 #define ATADDR_BCAST (u_char)0xff /* There is no BCAST for NET */ 65 66 struct netrange { 67 u_char nr_phase; 68 u_short nr_firstnet; 69 u_short nr_lastnet; 70 }; 71 72 /* 73 * Socket address, AppleTalk style. We keep magic information in the 74 * zero bytes. There are three types, NONE, CONFIG which has the phase 75 * and a net range, and IFACE which has the network address of an 76 * interface. IFACE may be filled in by the client, and is filled in 77 * by the kernel. 78 */ 79 struct sockaddr_at { 80 u_char sat_len; 81 u_char sat_family; 82 u_char sat_port; 83 struct at_addr sat_addr; 84 union { 85 struct netrange r_netrange; 86 char r_zero[ 8 ]; /* Hide a struct netrange in here */ 87 } sat_range; 88 }; 89 90 #define sat_zero sat_range.r_zero 91 92 #endif /* !__AT_HEADER__ */ 93