| /* | |
| * Copied from LiMon - BOOTP. | |
| * | |
| * Copyright 1994, 1995, 2000 Neil Russell. | |
| * (See License) | |
| * Copyright 2000 Paolo Scaffardi | |
| */ | |
| #ifndef __BOOTP_H__ | |
| #define __BOOTP_H__ | |
| #ifndef __NET_H__ | |
| #include <net.h> | |
| #endif /* __NET_H__ */ | |
| /**********************************************************************/ | |
| /* | |
| * BOOTP header. | |
| */ | |
| #if defined(CONFIG_CMD_DHCP) | |
| #define OPT_SIZE 312 /* Minimum DHCP Options size per RFC2131 - results in 576 byte pkt */ | |
| #else | |
| #define OPT_SIZE 64 | |
| #endif | |
| typedef struct | |
| { | |
| uchar bp_op; /* Operation */ | |
| # define OP_BOOTREQUEST 1 | |
| # define OP_BOOTREPLY 2 | |
| uchar bp_htype; /* Hardware type */ | |
| # define HWT_ETHER 1 | |
| uchar bp_hlen; /* Hardware address length */ | |
| # define HWL_ETHER 6 | |
| uchar bp_hops; /* Hop count (gateway thing) */ | |
| ulong bp_id; /* Transaction ID */ | |
| ushort bp_secs; /* Seconds since boot */ | |
| ushort bp_spare1; /* Alignment */ | |
| IPaddr_t bp_ciaddr; /* Client IP address */ | |
| IPaddr_t bp_yiaddr; /* Your (client) IP address */ | |
| IPaddr_t bp_siaddr; /* Server IP address */ | |
| IPaddr_t bp_giaddr; /* Gateway IP address */ | |
| uchar bp_chaddr[16]; /* Client hardware address */ | |
| char bp_sname[64]; /* Server host name */ | |
| char bp_file[128]; /* Boot file name */ | |
| char bp_vend[OPT_SIZE]; /* Vendor information */ | |
| } Bootp_t; | |
| #define BOOTP_HDR_SIZE sizeof (Bootp_t) | |
| #define BOOTP_SIZE (ETHER_HDR_SIZE + IP_HDR_SIZE + BOOTP_HDR_SIZE) | |
| /**********************************************************************/ | |
| /* | |
| * Global functions and variables. | |
| */ | |
| /* bootp.c */ | |
| extern ulong BootpID; /* ID of cur BOOTP request */ | |
| extern char BootFile[128]; /* Boot file name */ | |
| extern int BootpTry; | |
| #ifdef CONFIG_BOOTP_RANDOM_DELAY | |
| extern ulong seed1, seed2; /* seed for random BOOTP delay */ | |
| #endif | |
| /* Send a BOOTP request */ | |
| extern void BootpRequest (void); | |
| /****************** DHCP Support *********************/ | |
| extern void DhcpRequest(void); | |
| /* DHCP States */ | |
| typedef enum { INIT, | |
| INIT_REBOOT, | |
| REBOOTING, | |
| SELECTING, | |
| REQUESTING, | |
| REBINDING, | |
| BOUND, | |
| RENEWING } dhcp_state_t; | |
| #define DHCP_DISCOVER 1 | |
| #define DHCP_OFFER 2 | |
| #define DHCP_REQUEST 3 | |
| #define DHCP_DECLINE 4 | |
| #define DHCP_ACK 5 | |
| #define DHCP_NAK 6 | |
| #define DHCP_RELEASE 7 | |
| #define SELECT_TIMEOUT 3UL /* Seconds to wait for offers */ | |
| /**********************************************************************/ | |
| #endif /* __BOOTP_H__ */ |