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#ifndef _BOOTP_H
#define _BOOTP_H
#include "if_ether.h"
#include "ip.h"
#include "udp.h"
#ifndef MAX_BOOTP_RETRIES
#define MAX_BOOTP_RETRIES 20
#endif
#ifdef ALTERNATE_DHCP_PORTS_1067_1068
#undef NON_STANDARD_BOOTP_SERVER
#define NON_STANDARD_BOOTP_SERVER 1067
#undef NON_STANDARD_BOOTP_CLIENT
#define NON_STANDARD_BOOTP_CLIENT 1068
#endif
#ifdef NON_STANDARD_BOOTP_SERVER
#define BOOTP_SERVER NON_STANDARD_BOOTP_SERVER
#else
#define BOOTP_SERVER 67
#endif
#ifdef NON_STANDARD_BOOTP_CLIENT
#define BOOTP_CLIENT NON_STANDARD_BOOTP_CLIENT
#else
#define BOOTP_CLIENT 68
#endif
#define BOOTP_REQUEST 1
#define BOOTP_REPLY 2
#define TAG_LEN(p) (*((p)+1))
#define RFC1533_COOKIE 99, 130, 83, 99
#define RFC1533_PAD 0
#define RFC1533_NETMASK 1
#define RFC1533_TIMEOFFSET 2
#define RFC1533_GATEWAY 3
#define RFC1533_TIMESERVER 4
#define RFC1533_IEN116NS 5
#define RFC1533_DNS 6
#define RFC1533_LOGSERVER 7
#define RFC1533_COOKIESERVER 8
#define RFC1533_LPRSERVER 9
#define RFC1533_IMPRESSSERVER 10
#define RFC1533_RESOURCESERVER 11
#define RFC1533_HOSTNAME 12
#define RFC1533_BOOTFILESIZE 13
#define RFC1533_MERITDUMPFILE 14
#define RFC1533_DOMAINNAME 15
#define RFC1533_SWAPSERVER 16
#define RFC1533_ROOTPATH 17
#define RFC1533_EXTENSIONPATH 18
#define RFC1533_IPFORWARDING 19
#define RFC1533_IPSOURCEROUTING 20
#define RFC1533_IPPOLICYFILTER 21
#define RFC1533_IPMAXREASSEMBLY 22
#define RFC1533_IPTTL 23
#define RFC1533_IPMTU 24
#define RFC1533_IPMTUPLATEAU 25
#define RFC1533_INTMTU 26
#define RFC1533_INTLOCALSUBNETS 27
#define RFC1533_INTBROADCAST 28
#define RFC1533_INTICMPDISCOVER 29
#define RFC1533_INTICMPRESPOND 30
#define RFC1533_INTROUTEDISCOVER 31
#define RFC1533_INTROUTESOLICIT 32
#define RFC1533_INTSTATICROUTES 33
#define RFC1533_LLTRAILERENCAP 34
#define RFC1533_LLARPCACHETMO 35
#define RFC1533_LLETHERNETENCAP 36
#define RFC1533_TCPTTL 37
#define RFC1533_TCPKEEPALIVETMO 38
#define RFC1533_TCPKEEPALIVEGB 39
#define RFC1533_NISDOMAIN 40
#define RFC1533_NISSERVER 41
#define RFC1533_NTPSERVER 42
#define RFC1533_VENDOR 43
#define RFC1533_NBNS 44
#define RFC1533_NBDD 45
#define RFC1533_NBNT 46
#define RFC1533_NBSCOPE 47
#define RFC1533_XFS 48
#define RFC1533_XDM 49
#ifndef NO_DHCP_SUPPORT
#define RFC2132_REQ_ADDR 50
#define RFC2132_MSG_TYPE 53
#define RFC2132_SRV_ID 54
#define RFC2132_PARAM_LIST 55
#define RFC2132_MAX_SIZE 57
#define RFC2132_VENDOR_CLASS_ID 60
#define DHCPDISCOVER 1
#define DHCPOFFER 2
#define DHCPREQUEST 3
#define DHCPACK 5
#endif /* NO_DHCP_SUPPORT */
#define RFC1533_VENDOR_MAJOR 0
#define RFC1533_VENDOR_MINOR 0
#define RFC1533_VENDOR_MAGIC 128
#define RFC1533_VENDOR_ADDPARM 129
#define RFC1533_VENDOR_ETHDEV 130
#ifdef IMAGE_FREEBSD
#define RFC1533_VENDOR_HOWTO 132
#define RFC1533_VENDOR_KERNEL_ENV 133
#endif
#define RFC1533_VENDOR_ETHERBOOT_ENCAP 150
#define RFC1533_VENDOR_MNUOPTS 160
#define RFC1533_VENDOR_NIC_DEV_ID 175
#define RFC1533_VENDOR_SELECTION 176
#define RFC1533_VENDOR_ARCH 177
#define RFC1533_VENDOR_MOTD 184
#define RFC1533_VENDOR_NUMOFMOTD 8
#define RFC1533_VENDOR_IMG 192
#define RFC1533_VENDOR_NUMOFIMG 16
#define RFC1533_VENDOR_CONFIGFILE 150
#define RFC1533_END 255
#define BOOTP_VENDOR_LEN 64
#define DHCP_OPT_LEN 312
/* Format of a bootp packet */
struct bootp_t {
uint8_t bp_op;
uint8_t bp_htype;
uint8_t bp_hlen;
uint8_t bp_hops;
uint32_t bp_xid;
uint16_t bp_secs;
uint16_t unused;
in_addr bp_ciaddr;
in_addr bp_yiaddr;
in_addr bp_siaddr;
in_addr bp_giaddr;
uint8_t bp_hwaddr[16];
uint8_t bp_sname[64];
char bp_file[128];
uint8_t bp_vend[BOOTP_VENDOR_LEN];
};
struct dhcp_t {
uint8_t bp_op;
uint8_t bp_htype;
uint8_t bp_hlen;
uint8_t bp_hops;
uint32_t bp_xid;
uint16_t bp_secs;
uint16_t bp_flag;
in_addr bp_ciaddr;
in_addr bp_yiaddr;
in_addr bp_siaddr;
in_addr bp_giaddr;
uint8_t bp_hwaddr[16];
uint8_t bp_sname[64];
char bp_file[128];
uint8_t bp_vend[DHCP_OPT_LEN];
};
/* Format of a bootp IP packet */
struct bootpip_t
{
struct iphdr ip;
struct udphdr udp;
struct bootp_t bp;
};
struct dhcpip_t
{
struct iphdr ip;
struct udphdr udp;
struct dhcp_t bp;
};
#define MAX_RFC1533_VENDLEN (ETH_MAX_MTU - sizeof(struct bootpip_t) + BOOTP_VENDOR_LEN)
#define BOOTP_DATA_ADDR (&bootp_data)
#endif /* _BOOTP_H */
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