/* 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_VENDOR_CLASS_ID 60
#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];
    char    bp_file[128];
    uint8_t bp_vend[];
};

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

#define NB_BOOTP_CLIENTS 16

/* Process a bootp packet from the guest */
void bootp_input(struct mbuf *m);

#endif
