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* Copied from LiMon - BOOTP.
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* Copyright 1994, 1995, 2000 Neil Russell.
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* Copyright 2000 Paolo Scaffardi
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#endif /* __NET_H__ */
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/**********************************************************************/
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#if defined(CONFIG_CMD_DHCP)
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/* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */
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#define OPT_FIELD_SIZE 312
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#if defined(CONFIG_BOOTP_VENDOREX)
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extern u8 *dhcp_vendorex_prep(u8 *e); /*rtn new e after add own opts. */
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extern u8 *dhcp_vendorex_proc(u8 *e); /*rtn next e if mine,else NULL */
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#define OPT_FIELD_SIZE 64
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uchar bp_op; /* Operation */
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# define OP_BOOTREQUEST 1
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# define OP_BOOTREPLY 2
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uchar bp_htype; /* Hardware type */
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uchar bp_hlen; /* Hardware address length */
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uchar bp_hops; /* Hop count (gateway thing) */
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ulong bp_id; /* Transaction ID */
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ushort bp_secs; /* Seconds since boot */
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ushort bp_spare1; /* Alignment */
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IPaddr_t bp_ciaddr; /* Client IP address */
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IPaddr_t bp_yiaddr; /* Your (client) IP address */
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IPaddr_t bp_siaddr; /* Server IP address */
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IPaddr_t bp_giaddr; /* Gateway IP address */
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uchar bp_chaddr[16]; /* Client hardware address */
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char bp_sname[64]; /* Server host name */
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char bp_file[128]; /* Boot file name */
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char bp_vend[OPT_FIELD_SIZE]; /* Vendor information */
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#define BOOTP_HDR_SIZE sizeof(struct Bootp_t)
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/**********************************************************************/
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* Global functions and variables.
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extern ulong BootpID; /* ID of cur BOOTP request */
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extern char BootFile[128]; /* Boot file name */
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/* Send a BOOTP request */
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extern void BootpRequest(void);
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/****************** DHCP Support *********************/
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extern void DhcpRequest(void);
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RENEWING } dhcp_state_t;
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#define DHCP_DISCOVER 1
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#define DHCP_REQUEST 3
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#define DHCP_DECLINE 4
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#define DHCP_RELEASE 7
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#define SELECT_TIMEOUT 3000UL /* Milliseconds to wait for offers */
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/**********************************************************************/
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#endif /* __BOOTP_H__ */