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gerrit.cesnet.cz / github / trini / u-boot / 94ab98bb1c963bb9694955a9512044ef2630a4fe / . / net / bootp.h
blob: 3b95a0a2ded87596636516c3b1b865aa79cf3aaf [file] [log] [blame]
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]1/*
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__
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]13#include <net.h>
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]14#endif /* __NET_H__ */
15
16/**********************************************************************/
17
18/*
19 * BOOTP header.
20 */
Jon Loeliger643d1ab2007-07-09 17:45:14 -0500[diff] [blame]21#if defined(CONFIG_CMD_DHCP)
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]22/* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */
Joe Hershbergerf8315732012-05-23 07:58:14 +0000[diff] [blame]23#define OPT_FIELD_SIZE 312
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]24#if defined(CONFIG_BOOTP_VENDOREX)
25extern u8 *dhcp_vendorex_prep(u8 *e); /*rtn new e after add own opts. */
26extern u8 *dhcp_vendorex_proc(u8 *e); /*rtn next e if mine,else NULL */
27#endif
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]28#else
Joe Hershbergerf8315732012-05-23 07:58:14 +0000[diff] [blame]29#define OPT_FIELD_SIZE 64
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]30#endif
31
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]32struct Bootp_t {
33 uchar bp_op; /* Operation */
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]34# define OP_BOOTREQUEST 1
35# define OP_BOOTREPLY 2
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]36 uchar bp_htype; /* Hardware type */
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]37# define HWT_ETHER 1
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]38 uchar bp_hlen; /* Hardware address length */
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]39# define HWL_ETHER 6
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]40 uchar bp_hops; /* Hop count (gateway thing) */
41 ulong bp_id; /* Transaction ID */
42 ushort bp_secs; /* Seconds since boot */
43 ushort bp_spare1; /* Alignment */
44 IPaddr_t bp_ciaddr; /* Client IP address */
45 IPaddr_t bp_yiaddr; /* Your (client) IP address */
46 IPaddr_t bp_siaddr; /* Server IP address */
47 IPaddr_t bp_giaddr; /* Gateway IP address */
48 uchar bp_chaddr[16]; /* Client hardware address */
49 char bp_sname[64]; /* Server host name */
50 char bp_file[128]; /* Boot file name */
Joe Hershbergerf8315732012-05-23 07:58:14 +0000[diff] [blame]51 char bp_vend[OPT_FIELD_SIZE]; /* Vendor information */
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]52};
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]53
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]54#define BOOTP_HDR_SIZE sizeof(struct Bootp_t)
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]55
56/**********************************************************************/
57/*
58 * Global functions and variables.
59 */
60
61/* bootp.c */
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]62extern ulong BootpID; /* ID of cur BOOTP request */
63extern char BootFile[128]; /* Boot file name */
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]64extern int BootpTry;
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]65
66
67/* Send a BOOTP request */
Stephen Warrenf59be6e2014-07-25 17:30:48 -0600[diff] [blame]68extern void BootpReset(void);
Joe Hershberger3090b7e32012-05-15 08:59:06 +0000[diff] [blame]69extern void BootpRequest(void);
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]70
71/****************** DHCP Support *********************/
72extern void DhcpRequest(void);
73
74/* DHCP States */
75typedef enum { INIT,
76 INIT_REBOOT,
77 REBOOTING,
78 SELECTING,
79 REQUESTING,
80 REBINDING,
81 BOUND,
82 RENEWING } dhcp_state_t;
83
84#define DHCP_DISCOVER 1
85#define DHCP_OFFER 2
86#define DHCP_REQUEST 3
87#define DHCP_DECLINE 4
88#define DHCP_ACK 5
89#define DHCP_NAK 6
90#define DHCP_RELEASE 7
91
wdenkefee1702002-07-20 20:14:13 +0000[diff] [blame]92/**********************************************************************/
93
94#endif /* __BOOTP_H__ */