projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 7044c6bb | 32 | struct bootp_hdr { |
| 717234e0 | 33 | u8 bp_op; /* Operation */ |
| efee1709 WD |
34 | # define OP_BOOTREQUEST 1 |
| 35 | # define OP_BOOTREPLY 2 | |
| 717234e0 | 36 | u8 bp_htype; /* Hardware type */ |
| efee1709 | 37 | # define HWT_ETHER 1 |
| 717234e0 | 38 | u8 bp_hlen; /* Hardware address length */ |
| efee1709 | 39 | # define HWL_ETHER 6 |
| 717234e0 | 40 | u8 bp_hops; /* Hop count (gateway thing) */ |
| 5917e7d1 | 41 | u32 bp_id; /* Transaction ID */ |
| 717234e0 ST |
42 | u16 bp_secs; /* Seconds since boot */ |
| 43 | u16 bp_spare1; /* Alignment */ | |
| 049a95a7 JH |
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 */ | |
| 717234e0 | 48 | u8 bp_chaddr[16]; /* Client hardware address */ |
| 3090b7e3 JH |
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 */ |
| 704f3acf | 52 | } __attribute__((packed)); |
| 3090b7e3 | 53 | |
| 7044c6bb | 54 | #define BOOTP_HDR_SIZE sizeof(struct bootp_hdr) |
| efee1709 WD |
55 | |
| 56 | /**********************************************************************/ | |
| 57 | /* | |
| 58 | * Global functions and variables. | |
| 59 | */ | |
| 60 | ||
| 61 | /* bootp.c */ | |
| 5917e7d1 | 62 | extern u32 bootp_id; /* ID of cur BOOTP request */ |
| 7044c6bb | 63 | extern int bootp_try; |
| efee1709 WD |
64 | |
| 65 | ||
| 66 | /* Send a BOOTP request */ | |
| 7044c6bb JH |
67 | void bootp_reset(void); |
| 68 | void bootp_request(void); | |
| efee1709 WD |
69 | |
| 70 | /****************** DHCP Support *********************/ | |
| 7044c6bb | 71 | void dhcp_request(void); |
| efee1709 WD |
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 | ||
| efee1709 WD |
91 | /**********************************************************************/ |
| 92 | ||
| 93 | #endif /* __BOOTP_H__ */ |