blob: ba9826e914cb9aaf2bcb2e14103e846ac9b94690 [file] [log] [blame]
wdenkefee1702002-07-20 20:14:13 +00001/*
2 * Copied from LiMon - BOOTP.
3 *
4 * Copyright 1994, 1995, 2000 Neil Russell.
5 * (See License)
6 * Copyright 2000 Paolo Scaffardi
7 */
8
9#ifndef __BOOTP_H__
10#define __BOOTP_H__
11
12#ifndef __NET_H__
13#include <net.h>
14#endif /* __NET_H__ */
15
16/**********************************************************************/
17
18/*
19 * BOOTP header.
20 */
Jon Loeliger643d1ab2007-07-09 17:45:14 -050021#if defined(CONFIG_CMD_DHCP)
wdenkefee1702002-07-20 20:14:13 +000022#define OPT_SIZE 312 /* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */
23#else
24#define OPT_SIZE 64
25#endif
26
27typedef struct
28{
29 uchar bp_op; /* Operation */
30# define OP_BOOTREQUEST 1
31# define OP_BOOTREPLY 2
32 uchar bp_htype; /* Hardware type */
33# define HWT_ETHER 1
34 uchar bp_hlen; /* Hardware address length */
35# define HWL_ETHER 6
36 uchar bp_hops; /* Hop count (gateway thing) */
37 ulong bp_id; /* Transaction ID */
38 ushort bp_secs; /* Seconds since boot */
39 ushort bp_spare1; /* Alignment */
40 IPaddr_t bp_ciaddr; /* Client IP address */
41 IPaddr_t bp_yiaddr; /* Your (client) IP address */
42 IPaddr_t bp_siaddr; /* Server IP address */
43 IPaddr_t bp_giaddr; /* Gateway IP address */
44 uchar bp_chaddr[16]; /* Client hardware address */
45 char bp_sname[64]; /* Server host name */
46 char bp_file[128]; /* Boot file name */
47 char bp_vend[OPT_SIZE]; /* Vendor information */
48} Bootp_t;
49
50#define BOOTP_HDR_SIZE sizeof (Bootp_t)
51#define BOOTP_SIZE (ETHER_HDR_SIZE + IP_HDR_SIZE + BOOTP_HDR_SIZE)
52
53/**********************************************************************/
54/*
55 * Global functions and variables.
56 */
57
58/* bootp.c */
59extern ulong BootpID; /* ID of cur BOOTP request */
60extern char BootFile[128]; /* Boot file name */
61extern int BootpTry;
62#ifdef CONFIG_BOOTP_RANDOM_DELAY
63ulong seed1, seed2; /* seed for random BOOTP delay */
64#endif
65
66
67/* Send a BOOTP request */
68extern void BootpRequest (void);
69
70/****************** DHCP Support *********************/
71extern void DhcpRequest(void);
72
73/* DHCP States */
74typedef enum { INIT,
75 INIT_REBOOT,
76 REBOOTING,
77 SELECTING,
78 REQUESTING,
79 REBINDING,
80 BOUND,
81 RENEWING } dhcp_state_t;
82
83#define DHCP_DISCOVER 1
84#define DHCP_OFFER 2
85#define DHCP_REQUEST 3
86#define DHCP_DECLINE 4
87#define DHCP_ACK 5
88#define DHCP_NAK 6
89#define DHCP_RELEASE 7
90
91#define SELECT_TIMEOUT 3 /* Seconds to wait for offers */
92
93/**********************************************************************/
94
95#endif /* __BOOTP_H__ */