[people/ms/u-boot.git] / net / bootp.h

/*
 *	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)
/* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */
#define OPT_FIELD_SIZE 312
#if defined(CONFIG_BOOTP_VENDOREX)
extern u8 *dhcp_vendorex_prep(u8 *e); /*rtn new e after add own opts. */
extern u8 *dhcp_vendorex_proc(u8 *e); /*rtn next e if mine,else NULL  */
#endif
#else
#define OPT_FIELD_SIZE 64
#endif

struct bootp_hdr {
	u8		bp_op;		/* Operation			*/
# define OP_BOOTREQUEST	1
# define OP_BOOTREPLY	2
	u8		bp_htype;	/* Hardware type		*/
# define HWT_ETHER	1
	u8		bp_hlen;	/* Hardware address length	*/
# define HWL_ETHER	6
	u8		bp_hops;	/* Hop count (gateway thing)	*/
	u32		bp_id;		/* Transaction ID		*/
	u16		bp_secs;	/* Seconds since boot		*/
	u16		bp_spare1;	/* Alignment			*/
	struct in_addr	bp_ciaddr;	/* Client IP address		*/
	struct in_addr	bp_yiaddr;	/* Your (client) IP address	*/
	struct in_addr	bp_siaddr;	/* Server IP address		*/
	struct in_addr	bp_giaddr;	/* Gateway IP address		*/
	u8		bp_chaddr[16];	/* Client hardware address	*/
	char		bp_sname[64];	/* Server host name		*/
	char		bp_file[128];	/* Boot file name		*/
	char		bp_vend[OPT_FIELD_SIZE]; /* Vendor information	*/
};

#define BOOTP_HDR_SIZE	sizeof(struct bootp_hdr)

/**********************************************************************/
/*
 *	Global functions and variables.
 */

/* bootp.c */
extern u32	bootp_id;		/* ID of cur BOOTP request	*/
extern int	bootp_try;


/* Send a BOOTP request */
void bootp_reset(void);
void bootp_request(void);

/****************** DHCP Support *********************/
void dhcp_request(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

/**********************************************************************/

#endif /* __BOOTP_H__ */
Commit	Line	Data
efee1709 WD	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__
3090b7e3	13	#include <net.h>
efee1709 WD	14	#endif /* __NET_H__ */
	15
	16	/**********************************************************************/
	17
	18	/*
	19	* BOOTP header.
	20	*/
643d1ab2	21	#if defined(CONFIG_CMD_DHCP)
3090b7e3	22	/* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */
f8315731	23	#define OPT_FIELD_SIZE 312
3090b7e3 JH	24	#if defined(CONFIG_BOOTP_VENDOREX)
	25	extern u8 dhcp_vendorex_prep(u8 e); /rtn new e after add own opts. /
	26	extern u8 dhcp_vendorex_proc(u8 e); /rtn next e if mine,else NULL /
	27	#endif
efee1709	28	#else
f8315731	29	#define OPT_FIELD_SIZE 64
efee1709 WD	30	#endif
efee1709 WD	31
7044c6bb	32	struct bootp_hdr {
717234e0	33	u8 bp_op; /* Operation */
efee1709 WD	34	# define OP_BOOTREQUEST 1
efee1709 WD	35	# define OP_BOOTREPLY 2
717234e0	36	u8 bp_htype; /* Hardware type */
efee1709	37	# define HWT_ETHER 1
717234e0	38	u8 bp_hlen; /* Hardware address length */
efee1709	39	# define HWL_ETHER 6
717234e0	40	u8 bp_hops; /* Hop count (gateway thing) */
5917e7d1	41	u32 bp_id; /* Transaction ID */
717234e0 ST	42	u16 bp_secs; /* Seconds since boot */
717234e0 ST	43	u16 bp_spare1; /* Alignment */
049a95a7 JH	44	struct in_addr bp_ciaddr; /* Client IP address */
	45	struct in_addr bp_yiaddr; /* Your (client) IP address */
	46	struct in_addr bp_siaddr; /* Server IP address */
	47	struct in_addr bp_giaddr; /* Gateway IP address */
717234e0	48	u8 bp_chaddr[16]; /* Client hardware address */
3090b7e3 JH	49	char bp_sname[64]; /* Server host name */
3090b7e3 JH	50	char bp_file[128]; /* Boot file name */
f8315731	51	char bp_vend[OPT_FIELD_SIZE]; /* Vendor information */
3090b7e3 JH	52	};
3090b7e3 JH	53
7044c6bb	54	#define BOOTP_HDR_SIZE sizeof(struct bootp_hdr)
efee1709 WD	55
	56	/**********************************************************************/
	57	/*
	58	* Global functions and variables.
	59	*/
	60
	61	/* bootp.c */
5917e7d1	62	extern u32 bootp_id; /* ID of cur BOOTP request */
7044c6bb	63	extern int bootp_try;
efee1709 WD	64
	65
	66	/* Send a BOOTP request */
7044c6bb JH	67	void bootp_reset(void);
7044c6bb JH	68	void bootp_request(void);
efee1709 WD	69
efee1709 WD	70	/**************** DHCP Support *******************/
7044c6bb	71	void dhcp_request(void);
efee1709 WD	72
	73	/* DHCP States */
	74	typedef 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
efee1709 WD	91	/**********************************************************************/
	92
	93	#endif /* __BOOTP_H__ */