1 /* 2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* 29 * Bootstrap Protocol (BOOTP). RFC 951. 30 */ 31 /* 32 * HISTORY 33 * 34 * 14 May 1992 ? at NeXT 35 * Added correct padding to struct nextvend. This is 36 * needed for the i386 due to alignment differences wrt 37 * the m68k. Also adjusted the size of the array fields 38 * because the NeXT vendor area was overflowing the bootp 39 * packet. 40 */ 41 42 #ifndef _NETINET_BOOTP_H_ 43 #define _NETINET_BOOTP_H_ 44 45 #include <netinet/in.h> 46 #include <netinet/ip.h> 47 #include <netinet/udp.h> 48 49 #define iaddr_t struct in_addr 50 51 struct bootp { 52 u_char bp_op; /* packet opcode type */ 53 #define BOOTREQUEST 1 54 #define BOOTREPLY 2 55 u_char bp_htype; /* hardware addr type */ 56 u_char bp_hlen; /* hardware addr length */ 57 u_char bp_hops; /* gateway hops */ 58 u_int32_t bp_xid; /* transaction ID */ 59 u_short bp_secs; /* seconds since boot began */ 60 u_short bp_unused; 61 iaddr_t bp_ciaddr; /* client IP address */ 62 iaddr_t bp_yiaddr; /* 'your' IP address */ 63 iaddr_t bp_siaddr; /* server IP address */ 64 iaddr_t bp_giaddr; /* gateway IP address */ 65 u_char bp_chaddr[16]; /* client hardware address */ 66 u_char bp_sname[64]; /* server host name */ 67 u_char bp_file[128]; /* boot file name */ 68 u_char bp_vend[64]; /* vendor-specific area */ 69 }; 70 71 /* 72 * UDP port numbers, server and client. 73 */ 74 #define IPPORT_BOOTPS 67 75 #define IPPORT_BOOTPC 68 76 77 /* 78 * "vendor" data permitted for Stanford boot clients. 79 */ 80 struct vend { 81 u_char v_magic[4]; /* magic number */ 82 u_int32_t v_flags; /* flags/opcodes, etc. */ 83 u_char v_unused[56]; /* currently unused */ 84 }; 85 #define VM_STANFORD "STAN" /* v_magic for Stanford */ 86 87 /* v_flags values */ 88 #define VF_PCBOOT 1 /* an IBMPC or Mac wants environment info */ 89 #define VF_HELP 2 /* help me, I'm not registered */ 90 91 #define NVMAXTEXT 55 /* don't change this, it just fits RFC951 */ 92 struct nextvend { 93 u_char nv_magic[4]; /* Magic number for vendor specificity */ 94 u_char nv_version; /* NeXT protocol version */ 95 /* 96 * Round the beginning 97 * of the union to a 16 98 * bit boundary due to 99 * struct/union alignment 100 * on the m68k. 101 */ 102 unsigned short :0; 103 union { 104 u_char NV0[58]; 105 struct { 106 u_char NV1_opcode; /* opcode - Version 1 */ 107 u_char NV1_xid; /* transcation id */ 108 u_char NV1_text[NVMAXTEXT]; /* text */ 109 u_char NV1_null; /* null terminator */ 110 } NV1; 111 } nv_U; 112 }; 113 #define nv_unused nv_U.NV0 114 #define nv_opcode nv_U.NV1.NV1_opcode 115 #define nv_xid nv_U.NV1.NV1_xid 116 #define nv_text nv_U.NV1.NV1_text 117 #define nv_null nv_U.NV1.NV1_null 118 119 /* Magic number */ 120 #define VM_NEXT "NeXT" /* v_magic for NeXT, Inc. */ 121 122 /* Opcodes */ 123 #define BPOP_OK 0 124 #define BPOP_QUERY 1 125 #define BPOP_QUERY_NE 2 126 #define BPOP_ERROR 3 127 128 struct bootp_packet { 129 struct ip bp_ip; 130 struct udphdr bp_udp; 131 struct bootp bp_bootp; 132 }; 133 134 #define BOOTP_PKTSIZE (sizeof (struct bootp_packet)) 135 136 /* backoffs must be masks */ 137 #define BOOTP_MIN_BACKOFF 0x7ff /* 2.048 sec */ 138 #define BOOTP_MAX_BACKOFF 0xffff /* 65.535 sec */ 139 #define BOOTP_RETRY 6 /* # retries */ 140 141 #endif /* _NETINET_BOOTP_H_ */ 142