1 /* $NetBSD: bootp.h,v 1.4 1997/09/06 13:55:57 drochner Exp $ */ 2 3 /* 4 * Bootstrap Protocol (BOOTP). RFC951 and RFC1048. 5 * 6 * This file specifies the "implementation-independent" BOOTP protocol 7 * information which is common to both client and server. 8 * 9 * Copyright 1988 by Carnegie Mellon. 10 * 11 * Permission to use, copy, modify, and distribute this program for any 12 * purpose and without fee is hereby granted, provided that this copyright 13 * and permission notice appear on all copies and supporting documentation, 14 * the name of Carnegie Mellon not be used in advertising or publicity 15 * pertaining to distribution of the program without specific prior 16 * permission, and notice be given in supporting documentation that copying 17 * and distribution is by permission of Carnegie Mellon and Stanford 18 * University. Carnegie Mellon makes no representations about the 19 * suitability of this software for any purpose. It is provided "as is" 20 * without express or implied warranty. 21 * 22 * $FreeBSD: src/lib/libstand/bootp.h,v 1.1.1.1.6.1 2000/09/10 02:52:19 ps Exp $ 23 */ 24 25 #ifndef _STAND_BOOTP_H_ 26 #define _STAND_BOOTP_H_ 27 28 struct bootp { 29 unsigned char bp_op; /* packet opcode type */ 30 unsigned char bp_htype; /* hardware addr type */ 31 unsigned char bp_hlen; /* hardware addr length */ 32 unsigned char bp_hops; /* gateway hops */ 33 unsigned int bp_xid; /* transaction ID */ 34 unsigned short bp_secs; /* seconds since boot began */ 35 unsigned short bp_flags; 36 struct in_addr bp_ciaddr; /* client IP address */ 37 struct in_addr bp_yiaddr; /* 'your' IP address */ 38 struct in_addr bp_siaddr; /* server IP address */ 39 struct in_addr bp_giaddr; /* gateway IP address */ 40 unsigned char bp_chaddr[16]; /* client hardware address */ 41 unsigned char bp_sname[64]; /* server host name */ 42 unsigned char bp_file[128]; /* boot file name */ 43 #ifdef SUPPORT_DHCP 44 #define BOOTP_VENDSIZE 312 45 #else 46 #define BOOTP_VENDSIZE 64 47 #endif 48 unsigned char bp_vend[BOOTP_VENDSIZE]; /* vendor-specific area */ 49 }; 50 51 /* 52 * UDP port numbers, server and client. 53 */ 54 #define IPPORT_BOOTPS 67 55 #define IPPORT_BOOTPC 68 56 57 #define BOOTREPLY 2 58 #define BOOTREQUEST 1 59 60 61 /* 62 * Vendor magic cookie (v_magic) for CMU 63 */ 64 #define VM_CMU "CMU" 65 66 /* 67 * Vendor magic cookie (v_magic) for RFC1048 68 */ 69 #define VM_RFC1048 { 99, 130, 83, 99 } 70 71 72 73 /* 74 * RFC1048 tag values used to specify what information is being supplied in 75 * the vendor field of the packet. 76 */ 77 78 #define TAG_PAD ((unsigned char) 0) 79 #define TAG_SUBNET_MASK ((unsigned char) 1) 80 #define TAG_TIME_OFFSET ((unsigned char) 2) 81 #define TAG_GATEWAY ((unsigned char) 3) 82 #define TAG_TIME_SERVER ((unsigned char) 4) 83 #define TAG_NAME_SERVER ((unsigned char) 5) 84 #define TAG_DOMAIN_SERVER ((unsigned char) 6) 85 #define TAG_LOG_SERVER ((unsigned char) 7) 86 #define TAG_COOKIE_SERVER ((unsigned char) 8) 87 #define TAG_LPR_SERVER ((unsigned char) 9) 88 #define TAG_IMPRESS_SERVER ((unsigned char) 10) 89 #define TAG_RLP_SERVER ((unsigned char) 11) 90 #define TAG_HOSTNAME ((unsigned char) 12) 91 #define TAG_BOOTSIZE ((unsigned char) 13) 92 #define TAG_DUMPFILE ((unsigned char) 14) 93 #define TAG_DOMAINNAME ((unsigned char) 15) 94 #define TAG_SWAPSERVER ((unsigned char) 16) 95 #define TAG_ROOTPATH ((unsigned char) 17) 96 97 #ifdef SUPPORT_DHCP 98 #define TAG_REQ_ADDR ((unsigned char) 50) 99 #define TAG_LEASETIME ((unsigned char) 51) 100 #define TAG_OVERLOAD ((unsigned char) 52) 101 #define TAG_DHCP_MSGTYPE ((unsigned char) 53) 102 #define TAG_SERVERID ((unsigned char) 54) 103 #define TAG_PARAM_REQ ((unsigned char) 55) 104 #define TAG_MSG ((unsigned char) 56) 105 #define TAG_MAXSIZE ((unsigned char) 57) 106 #define TAG_T1 ((unsigned char) 58) 107 #define TAG_T2 ((unsigned char) 59) 108 #define TAG_CLASSID ((unsigned char) 60) 109 #define TAG_CLIENTID ((unsigned char) 61) 110 #endif 111 112 #define TAG_END ((unsigned char) 255) 113 114 #ifdef SUPPORT_DHCP 115 #define DHCPDISCOVER 1 116 #define DHCPOFFER 2 117 #define DHCPREQUEST 3 118 #define DHCPDECLINE 4 119 #define DHCPACK 5 120 #define DHCPNAK 6 121 #define DHCPRELEASE 7 122 #endif 123 124 /* 125 * bootp flags 126 */ 127 #define BOOTP_NONE 0x0000 /* No flags */ 128 #define BOOTP_PXE 0x0001 /* Booting from PXE. */ 129 130 /* 131 * "vendor" data permitted for CMU bootp clients. 132 */ 133 134 struct cmu_vend { 135 unsigned char v_magic[4]; /* magic number */ 136 unsigned int v_flags; /* flags/opcodes, etc. */ 137 struct in_addr v_smask; /* Subnet mask */ 138 struct in_addr v_dgate; /* Default gateway */ 139 struct in_addr v_dns1, v_dns2; /* Domain name servers */ 140 struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */ 141 struct in_addr v_ts1, v_ts2; /* Time servers */ 142 unsigned char v_unused[25]; /* currently unused */ 143 }; 144 145 146 /* v_flags values */ 147 #define VF_SMASK 1 /* Subnet mask field contains valid data */ 148 149 #endif /* !_STAND_BOOTP_H_ */ 150