diff options
Diffstat (limited to 'net/bootp.h')
-rw-r--r-- | net/bootp.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/net/bootp.h b/net/bootp.h new file mode 100644 index 0000000..0b31639 --- /dev/null +++ b/net/bootp.h @@ -0,0 +1,95 @@ +/* + * 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 (CONFIG_COMMANDS & CFG_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 +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 3 /* Seconds to wait for offers */ + +/**********************************************************************/ + +#endif /* __BOOTP_H__ */ |