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Commit | Line | Data |
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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__ | |
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 |
31 | ||
3090b7e3 JH |
32 | struct Bootp_t { |
33 | uchar bp_op; /* Operation */ | |
efee1709 WD |
34 | # define OP_BOOTREQUEST 1 |
35 | # define OP_BOOTREPLY 2 | |
3090b7e3 | 36 | uchar bp_htype; /* Hardware type */ |
efee1709 | 37 | # define HWT_ETHER 1 |
3090b7e3 | 38 | uchar bp_hlen; /* Hardware address length */ |
efee1709 | 39 | # define HWL_ETHER 6 |
3090b7e3 JH |
40 | uchar bp_hops; /* Hop count (gateway thing) */ |
41 | ulong bp_id; /* Transaction ID */ | |
42 | ushort bp_secs; /* Seconds since boot */ | |
43 | ushort bp_spare1; /* Alignment */ | |
44 | IPaddr_t bp_ciaddr; /* Client IP address */ | |
45 | IPaddr_t bp_yiaddr; /* Your (client) IP address */ | |
46 | IPaddr_t bp_siaddr; /* Server IP address */ | |
47 | IPaddr_t bp_giaddr; /* Gateway IP address */ | |
48 | uchar bp_chaddr[16]; /* Client hardware address */ | |
49 | char bp_sname[64]; /* Server host name */ | |
50 | char bp_file[128]; /* Boot file name */ | |
f8315731 | 51 | char bp_vend[OPT_FIELD_SIZE]; /* Vendor information */ |
3090b7e3 JH |
52 | }; |
53 | ||
54 | #define BOOTP_HDR_SIZE sizeof(struct Bootp_t) | |
efee1709 WD |
55 | |
56 | /**********************************************************************/ | |
57 | /* | |
58 | * Global functions and variables. | |
59 | */ | |
60 | ||
61 | /* bootp.c */ | |
3090b7e3 JH |
62 | extern ulong BootpID; /* ID of cur BOOTP request */ |
63 | extern char BootFile[128]; /* Boot file name */ | |
efee1709 | 64 | extern int BootpTry; |
efee1709 WD |
65 | |
66 | ||
67 | /* Send a BOOTP request */ | |
3090b7e3 | 68 | extern void BootpRequest(void); |
efee1709 WD |
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__ */ |