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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__ | |
13 | #include <net.h> | |
14 | #endif /* __NET_H__ */ | |
15 | ||
16 | /**********************************************************************/ | |
17 | ||
18 | /* | |
19 | * BOOTP header. | |
20 | */ | |
643d1ab2 | 21 | #if defined(CONFIG_CMD_DHCP) |
efee1709 WD |
22 | #define OPT_SIZE 312 /* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */ |
23 | #else | |
24 | #define OPT_SIZE 64 | |
25 | #endif | |
26 | ||
27 | typedef struct | |
28 | { | |
29 | uchar bp_op; /* Operation */ | |
30 | # define OP_BOOTREQUEST 1 | |
31 | # define OP_BOOTREPLY 2 | |
32 | uchar bp_htype; /* Hardware type */ | |
33 | # define HWT_ETHER 1 | |
34 | uchar bp_hlen; /* Hardware address length */ | |
35 | # define HWL_ETHER 6 | |
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 */ | |
48 | } Bootp_t; | |
49 | ||
50 | #define BOOTP_HDR_SIZE sizeof (Bootp_t) | |
51 | #define BOOTP_SIZE (ETHER_HDR_SIZE + IP_HDR_SIZE + BOOTP_HDR_SIZE) | |
52 | ||
53 | /**********************************************************************/ | |
54 | /* | |
55 | * Global functions and variables. | |
56 | */ | |
57 | ||
58 | /* bootp.c */ | |
59 | extern ulong BootpID; /* ID of cur BOOTP request */ | |
60 | extern char BootFile[128]; /* Boot file name */ | |
61 | extern int BootpTry; | |
62 | #ifdef CONFIG_BOOTP_RANDOM_DELAY | |
61365501 | 63 | extern ulong seed1, seed2; /* seed for random BOOTP delay */ |
efee1709 WD |
64 | #endif |
65 | ||
66 | ||
67 | /* Send a BOOTP request */ | |
68 | extern void BootpRequest (void); | |
69 | ||
70 | /****************** DHCP Support *********************/ | |
71 | extern void DhcpRequest(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 | ||
49f3bdbb | 91 | #define SELECT_TIMEOUT 3000UL /* Milliseconds to wait for offers */ |
efee1709 WD |
92 | |
93 | /**********************************************************************/ | |
94 | ||
95 | #endif /* __BOOTP_H__ */ |