bootp.h

基于nucleus操作系统的GPRS无线数据传输终端全套源文件。包括支持ARM7的BSP,操作系统

/**************************************************************************
*                                                                          
*      Copyright (c) 1993 - 2001 by Accelerated Technology, Inc.           
*                                                                          
* PROPRIETARY RIGHTS of Accelerated Technology are involved in the subject 
* matter of this material.  All manufacturing, reproduction, use and sales 
* rights pertaining to this subject matter are governed by the license     
* agreement.  The recipient of this software implicity accepts the terms   
* of the license.                                                          
*                                                                          
****************************************************************************/
/**************************************************************************
*                                                                          
* FILENAME                                      VERSION                            
*                                                                                  
*      bootp                                      4.4                              
*                                                                                  
* DESCRIPTION                                                              
*                                                                          
*      This include file will handle bootstrap protocol defines -- RFC 951.
*                                                                          
* DATA STRUCTURES                                                          
*                                                                          
*       BOOTPLAYER
*       BOOTP_STRUCT
*       vend
*                                                                                 
* DEPENDENCIES                                                             
*                                                                          
*      No other file dependencies                                          
*                                                                          
****************************************************************************/

#ifndef BOOTP_H
#define BOOTP_H

#include "net/inc/socketd.h"
#include "net/target.h"
#include "net/inc/mem_defs.h"                 /* NET_MAX_MAC_HEADER_SIZE */

#ifdef          __cplusplus
extern  "C" {                               /* C declarations in C++     */
#endif /* _cplusplus */

#define BOOTREQUEST     1
#define BOOTREPLY       2
/*
 * UDP port numbers, server and client.
 */
#define IPPORT_BOOTPS       67
#define IPPORT_BOOTPC       68

#define VM_STANFORD     "STAN"  /* v_magic for Stanford */

#define VM_RFC1048      "\143\202\123\143"


/*  BOOTP Vendor Extensions  */

#define BOOTP_PAD       0
#define BOOTP_SUBNET    1
#define BOOTP_TIMEOFF   2
#define BOOTP_GATEWAY   3
#define BOOTP_TIMESERV  4
#define BOOTP_NAMESERV  5
#define BOOTP_DOMNAME   6
#define BOOTP_LOGSERV   7
#define BOOTP_COOKSRV   8
#define BOOTP_LPRSRV    9
#define BOOTP_IMPRSRV   10
#define BOOTP_RLPSRV    11
#define BOOTP_HOSTNAME  12
#define BOOTP_BFILSZ    13
#define BOOTP_END       255
#define BOOTP_COOKIE    { 0x63,0x82, 0x53, 0x63 }
#define LARGEST_OPT_SIZE                255

/* v_flags values */
#define VF_PCBOOT           1    /* an IBMPC or Mac wants environment info */
#define VF_HELP             2    /* help me, I'm not registered */
#define TAG_BOOTFILE_SIZE   13   /* tag used by vend fields rfc 1048 */

#define BOOTP_RETRIES       6    /* The maximum number of times bootp will send
                                  * a request before giving up.     */
#define MAX_BOOTP_TIMEOUT   63   /* The maximum time bootp will wait for a
                                  * response before retransmitting a request. */
typedef struct bootp HUGE BOOTPLAYER;
struct bootp
{
    UINT8  bp_op;      /* packet opcode type */
    UINT8  bp_htype;   /* hardware addr type */
    UINT8  bp_hlen;    /* hardware addr length */
    UINT8  bp_hops;    /* gateway hops */
    UINT32  bp_xid;     /* transaction ID */
    UINT16 bp_secs;    /* seconds since boot began */
    UINT16 bp_unused;
    struct id_struct bp_ciaddr;  /* client IP address */
    struct id_struct bp_yiaddr;  /* 'your' IP address */
    struct id_struct bp_siaddr;  /* server IP address */
    struct id_struct bp_giaddr;  /* gateway IP address */
    UINT8  bp_chaddr[16];  /* client hardware address */
    UINT8  bp_sname[64];   /* server host name */
    UINT8  bp_file[128];   /* boot file name */
    UINT8  bp_vend[64];    /* vendor-specific area */
};


struct bootp_struct {
        UINT8 bp_ip_addr[4];                       /* r/s new IP address of client. */
        UINT8 bp_mac_addr[6];                      /* r MAC address of client. */
        UINT8 bp_sname[64];                        /* r optional server host name field. */
        UINT8 bp_file[128];                        /* r fully pathed filename */
        UINT8 bp_siaddr[4];                        /* r DHCP server IP address */
        UINT8 bp_giaddr[4];                        /* r Gateway IP address */
        UINT8 bp_yiaddr[4];                        /* r Your IP address */
        UINT8 bp_net_mask[4];                      /* r Net mask for new IP address */
};

typedef struct bootp_struct BOOTP_STRUCT;

/*
 * "vendor" data permitted for Stanford boot clients.
 */
struct vend
{
    UINT8  v_magic[4];      /* magic number */
    UINT32  v_flags;         /* flags/opcodes, etc. */
    UINT8  v_unused[56];    /* currently unused */
};

#define BOOTP_MAX_HEADER_SIZE \
  (NET_MAX_MAC_HEADER_SIZE + sizeof (IPLAYER) + \
   sizeof (UDPLAYER) + sizeof (BOOTPLAYER) )

#ifdef          __cplusplus
}
#endif /* _cplusplus */


#endif  /* BOOTP_H */