2 * Copied from LiMon - BOOTP.
4 * Copyright 1994, 1995, 2000 Neil Russell.
6 * Copyright 2000 Paolo Scaffardi
14 #endif /* __NET_H__ */
16 /**********************************************************************/
21 #if defined(CONFIG_CMD_DHCP)
22 #define OPT_SIZE 312 /* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */
29 uchar bp_op; /* Operation */
30 # define OP_BOOTREQUEST 1
31 # define OP_BOOTREPLY 2
32 uchar bp_htype; /* Hardware type */
34 uchar bp_hlen; /* Hardware address length */
36 uchar bp_hops; /* Hop count (gateway thing) */
37 ulong bp_id; /* Transaction ID */
38 ushort bp_secs; /* Seconds since boot */
39 ushort bp_spare1; /* Alignment */
40 IPaddr_t bp_ciaddr; /* Client IP address */
41 IPaddr_t bp_yiaddr; /* Your (client) IP address */
42 IPaddr_t bp_siaddr; /* Server IP address */
43 IPaddr_t bp_giaddr; /* Gateway IP address */
44 uchar bp_chaddr[16]; /* Client hardware address */
45 char bp_sname[64]; /* Server host name */
46 char bp_file[128]; /* Boot file name */
47 char bp_vend[OPT_SIZE]; /* Vendor information */
50 #define BOOTP_HDR_SIZE sizeof (Bootp_t)
51 #define BOOTP_SIZE (ETHER_HDR_SIZE + IP_HDR_SIZE + BOOTP_HDR_SIZE)
53 /**********************************************************************/
55 * Global functions and variables.
61 /* Send a BOOTP request */
62 extern void BootpRequest (void);
64 /****************** DHCP Support *********************/
65 extern void DhcpRequest(void);
75 RENEWING } dhcp_state_t;
77 #define DHCP_DISCOVER 1
79 #define DHCP_REQUEST 3
80 #define DHCP_DECLINE 4
83 #define DHCP_RELEASE 7
85 #define SELECT_TIMEOUT 3000UL /* Milliseconds to wait for offers */
87 /**********************************************************************/
89 #endif /* __BOOTP_H__ */