Git Repo - J-u-boot.git/blame_incremental

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Commit	Line	Data
	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__
	13	#include <net.h>
	14	#endif /* __NET_H__ */
	15
	16	/**********************************************************************/
	17
	18	/*
	19	* BOOTP header.
	20	*/
	21	#if defined(CONFIG_CMD_DHCP)
	22	/* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */
	23	#define OPT_FIELD_SIZE 312
	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
	28	#else
	29	#define OPT_FIELD_SIZE 64
	30	#endif
	31
	32	struct bootp_hdr {
	33	u8 bp_op; /* Operation */
	34	# define OP_BOOTREQUEST 1
	35	# define OP_BOOTREPLY 2
	36	u8 bp_htype; /* Hardware type */
	37	# define HWT_ETHER 1
	38	u8 bp_hlen; /* Hardware address length */
	39	# define HWL_ETHER 6
	40	u8 bp_hops; /* Hop count (gateway thing) */
	41	u32 bp_id; /* Transaction ID */
	42	u16 bp_secs; /* Seconds since boot */
	43	u16 bp_spare1; /* Alignment */
	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 */
	48	u8 bp_chaddr[16]; /* Client hardware address */
	49	char bp_sname[64]; /* Server host name */
	50	char bp_file[128]; /* Boot file name */
	51	char bp_vend[OPT_FIELD_SIZE]; /* Vendor information */
	52	};
	53
	54	#define BOOTP_HDR_SIZE sizeof(struct bootp_hdr)
	55
	56	/**********************************************************************/
	57	/*
	58	* Global functions and variables.
	59	*/
	60
	61	/* bootp.c */
	62	extern u32 bootp_id; /* ID of cur BOOTP request */
	63	extern int bootp_try;
	64
	65
	66	/* Send a BOOTP request */
	67	void bootp_reset(void);
	68	void bootp_request(void);
	69
	70	/**************** DHCP Support *******************/
	71	void dhcp_request(void);
	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
	91	/**********************************************************************/
	92
	93	#endif /* __BOOTP_H__ */