mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/*
|
|
* Copied from LiMon - BOOTP.
|
|
*
|
|
* Copyright 1994, 1995, 2000 Neil Russell.
|
|
* (See License)
|
|
* Copyright 2000 Paolo Scaffardi
|
|
*/
|
|
|
|
#ifndef __BOOTP_H__
|
|
#define __BOOTP_H__
|
|
|
|
#ifndef __NET_H__
|
|
#include <net.h>
|
|
#endif /* __NET_H__ */
|
|
|
|
/**********************************************************************/
|
|
|
|
/*
|
|
* BOOTP header.
|
|
*/
|
|
#if defined(CONFIG_CMD_DHCP)
|
|
#define OPT_SIZE 312 /* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */
|
|
#else
|
|
#define OPT_SIZE 64
|
|
#endif
|
|
|
|
typedef struct
|
|
{
|
|
uchar bp_op; /* Operation */
|
|
# define OP_BOOTREQUEST 1
|
|
# define OP_BOOTREPLY 2
|
|
uchar bp_htype; /* Hardware type */
|
|
# define HWT_ETHER 1
|
|
uchar bp_hlen; /* Hardware address length */
|
|
# define HWL_ETHER 6
|
|
uchar bp_hops; /* Hop count (gateway thing) */
|
|
ulong bp_id; /* Transaction ID */
|
|
ushort bp_secs; /* Seconds since boot */
|
|
ushort bp_spare1; /* Alignment */
|
|
IPaddr_t bp_ciaddr; /* Client IP address */
|
|
IPaddr_t bp_yiaddr; /* Your (client) IP address */
|
|
IPaddr_t bp_siaddr; /* Server IP address */
|
|
IPaddr_t bp_giaddr; /* Gateway IP address */
|
|
uchar bp_chaddr[16]; /* Client hardware address */
|
|
char bp_sname[64]; /* Server host name */
|
|
char bp_file[128]; /* Boot file name */
|
|
char bp_vend[OPT_SIZE]; /* Vendor information */
|
|
} Bootp_t;
|
|
|
|
#define BOOTP_HDR_SIZE sizeof (Bootp_t)
|
|
#define BOOTP_SIZE (ETHER_HDR_SIZE + IP_HDR_SIZE + BOOTP_HDR_SIZE)
|
|
|
|
/**********************************************************************/
|
|
/*
|
|
* Global functions and variables.
|
|
*/
|
|
|
|
/* bootp.c */
|
|
extern ulong BootpID; /* ID of cur BOOTP request */
|
|
extern char BootFile[128]; /* Boot file name */
|
|
extern int BootpTry;
|
|
#ifdef CONFIG_BOOTP_RANDOM_DELAY
|
|
ulong seed1, seed2; /* seed for random BOOTP delay */
|
|
#endif
|
|
|
|
|
|
/* Send a BOOTP request */
|
|
extern void BootpRequest (void);
|
|
|
|
/****************** DHCP Support *********************/
|
|
extern void DhcpRequest(void);
|
|
|
|
/* DHCP States */
|
|
typedef enum { INIT,
|
|
INIT_REBOOT,
|
|
REBOOTING,
|
|
SELECTING,
|
|
REQUESTING,
|
|
REBINDING,
|
|
BOUND,
|
|
RENEWING } dhcp_state_t;
|
|
|
|
#define DHCP_DISCOVER 1
|
|
#define DHCP_OFFER 2
|
|
#define DHCP_REQUEST 3
|
|
#define DHCP_DECLINE 4
|
|
#define DHCP_ACK 5
|
|
#define DHCP_NAK 6
|
|
#define DHCP_RELEASE 7
|
|
|
|
#define SELECT_TIMEOUT 3UL /* Seconds to wait for offers */
|
|
|
|
/**********************************************************************/
|
|
|
|
#endif /* __BOOTP_H__ */
|