/* SPDX-License-Identifier: BSD-3-Clause */
/* bootp/dhcp defines */

#ifndef SLIRP_BOOTP_H
#define SLIRP_BOOTP_H

#define BOOTP_SERVER	67
#define BOOTP_CLIENT	68

#define BOOTP_REQUEST	1
#define BOOTP_REPLY	2

#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

#define RFC2132_REQ_ADDR	50
#define RFC2132_LEASE_TIME      51
#define RFC2132_MSG_TYPE	53
#define RFC2132_SRV_ID		54
#define RFC2132_PARAM_LIST	55
#define RFC2132_MESSAGE		56
#define RFC2132_MAX_SIZE	57
#define RFC2132_RENEWAL_TIME    58
#define RFC2132_REBIND_TIME     59
#define RFC2132_TFTP_SERVER_NAME 66

#define DHCPDISCOVER		1
#define DHCPOFFER		2
#define DHCPREQUEST		3
#define DHCPACK			5
#define DHCPNAK			6

#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
#define RFC1533_VENDOR_HOWTO    132
#define RFC1533_VENDOR_MNUOPTS	160
#define RFC1533_VENDOR_SELECTION 176
#define RFC1533_VENDOR_MOTD	184
#define RFC1533_VENDOR_NUMOFMOTD 8
#define RFC1533_VENDOR_IMG	192
#define RFC1533_VENDOR_NUMOFIMG	16

#define RFC1533_END		255
#define BOOTP_VENDOR_LEN	64
#define DHCP_OPT_LEN		312

struct bootp_t {
    struct ip ip;
    struct udphdr udp;
    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;
    struct in_addr bp_ciaddr;
    struct in_addr bp_yiaddr;
    struct in_addr bp_siaddr;
    struct in_addr bp_giaddr;
    uint8_t bp_hwaddr[16];
    uint8_t bp_sname[64];
    uint8_t bp_file[128];
    uint8_t bp_vend[DHCP_OPT_LEN];
};

typedef struct {
    uint16_t allocated;
    uint8_t macaddr[6];
} BOOTPClient;

#define NB_BOOTP_CLIENTS 16

void bootp_input(struct mbuf *m);

#endif