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Annotation of Net2/arch/i386/netboot/bootp.h, revision 1.1.1.1

1.1       root        1: /* netboot
                      2:  *
                      3:  * bootp.h,v
                      4:  * Revision 1.1  1993/07/08  16:03:53  brezak
                      5:  * Diskless boot prom code from Jim McKim ([email protected])
                      6:  *
                      7:  * Revision 1.1  1993/06/30  20:14:07  mckim
                      8:  * Added BOOTP support.
                      9:  *
                     10:  */
                     11: 
                     12: /*
                     13:  * Bootstrap Protocol (BOOTP).  RFC951 and RFC1048.
                     14:  *
                     15:  *
                     16:  * This file specifies the "implementation-independent" BOOTP protocol
                     17:  * information which is common to both client and server.
                     18:  *
                     19:  *
                     20:  * Copyright 1988 by Carnegie Mellon.
                     21:  *
                     22:  * Permission to use, copy, modify, and distribute this program for any
                     23:  * purpose and without fee is hereby granted, provided that this copyright
                     24:  * and permission notice appear on all copies and supporting documentation,
                     25:  * the name of Carnegie Mellon not be used in advertising or publicity
                     26:  * pertaining to distribution of the program without specific prior
                     27:  * permission, and notice be given in supporting documentation that copying
                     28:  * and distribution is by permission of Carnegie Mellon and Stanford
                     29:  * University.  Carnegie Mellon makes no representations about the
                     30:  * suitability of this software for any purpose.  It is provided "as is"
                     31:  * without express or implied warranty.
                     32:  */
                     33: 
                     34: 
                     35: struct bootp {
                     36:        unsigned char   bp_op;          /* packet opcode type */
                     37:        unsigned char   bp_htype;       /* hardware addr type */
                     38:        unsigned char   bp_hlen;        /* hardware addr length */
                     39:        unsigned char   bp_hops;        /* gateway hops */
                     40:        unsigned long   bp_xid;         /* transaction ID */
                     41:        unsigned short  bp_secs;        /* seconds since boot began */
                     42:        unsigned short  bp_unused;
                     43:        ipaddr_t        bp_ciaddr;      /* client IP address */
                     44:        ipaddr_t        bp_yiaddr;      /* 'your' IP address */
                     45:        ipaddr_t        bp_siaddr;      /* server IP address */
                     46:        ipaddr_t        bp_giaddr;      /* gateway IP address */
                     47:        unsigned char   bp_chaddr[16];  /* client hardware address */
                     48:        unsigned char   bp_sname[64];   /* server host name */
                     49:        unsigned char   bp_file[128];   /* boot file name */
                     50:        unsigned char   bp_vend[64];    /* vendor-specific area */
                     51: };
                     52: 
                     53: /*
                     54:  * UDP port numbers, server and client.
                     55:  */
                     56: #define        IPPORT_BOOTPS           67
                     57: #define        IPPORT_BOOTPC           68
                     58: 
                     59: #define BOOTREPLY              2
                     60: #define BOOTREQUEST            1
                     61: 
                     62: 
                     63: /*
                     64:  * Vendor magic cookie (v_magic) for CMU
                     65:  */
                     66: #define VM_CMU         "CMU"
                     67: 
                     68: /*
                     69:  * Vendor magic cookie (v_magic) for RFC1048
                     70:  */
                     71: #define VM_RFC1048     { 99, 130, 83, 99 }
                     72: 
                     73: 
                     74: 
                     75: /*
                     76:  * RFC1048 tag values used to specify what information is being supplied in
                     77:  * the vendor field of the packet.
                     78:  */
                     79: 
                     80: #define TAG_PAD                        ((unsigned char)   0)
                     81: #define TAG_SUBNET_MASK                ((unsigned char)   1)
                     82: #define TAG_TIME_OFFSET                ((unsigned char)   2)
                     83: #define TAG_GATEWAY            ((unsigned char)   3)
                     84: #define TAG_TIME_SERVER                ((unsigned char)   4)
                     85: #define TAG_NAME_SERVER                ((unsigned char)   5)
                     86: #define TAG_DOMAIN_SERVER      ((unsigned char)   6)
                     87: #define TAG_LOG_SERVER         ((unsigned char)   7)
                     88: #define TAG_COOKIE_SERVER      ((unsigned char)   8)
                     89: #define TAG_LPR_SERVER         ((unsigned char)   9)
                     90: #define TAG_IMPRESS_SERVER     ((unsigned char)  10)
                     91: #define TAG_RLP_SERVER         ((unsigned char)  11)
                     92: #define TAG_HOSTNAME           ((unsigned char)  12)
                     93: #define TAG_BOOTSIZE           ((unsigned char)  13)
                     94: #define TAG_END                        ((unsigned char) 255)
                     95: 
                     96: 
                     97: 
                     98: /*
                     99:  * "vendor" data permitted for CMU bootp clients.
                    100:  */
                    101: 
                    102: struct cmu_vend {
                    103:        unsigned char   v_magic[4];     /* magic number */
                    104:        unsigned long   v_flags;        /* flags/opcodes, etc. */
                    105:        ipaddr_t        v_smask;        /* Subnet mask */
                    106:        ipaddr_t        v_dgate;        /* Default gateway */
                    107:        ipaddr_t        v_dns1, v_dns2; /* Domain name servers */
                    108:        ipaddr_t        v_ins1, v_ins2; /* IEN-116 name servers */
                    109:        ipaddr_t        v_ts1, v_ts2;   /* Time servers */
                    110:        unsigned char   v_unused[25];   /* currently unused */
                    111: };
                    112: 
                    113: 
                    114: /* v_flags values */
                    115: #define VF_SMASK       1       /* Subnet mask field contains valid data */

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