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/* SPDX-License-Identifier: BSD-3-Clause */
#ifndef __DHCPSNOOP_MSG_H
#define __DHCPSNOOP_MSG_H
#include <netinet/in.h>
#include <stdint.h>
enum dhcpv4_msg {
DHCPV4_MSG_DISCOVER = 1,
DHCPV4_MSG_OFFER = 2,
DHCPV4_MSG_REQUEST = 3,
DHCPV4_MSG_DECLINE = 4,
DHCPV4_MSG_ACK = 5,
DHCPV4_MSG_NAK = 6,
DHCPV4_MSG_RELEASE = 7,
DHCPV4_MSG_INFORM = 8,
DHCPV4_MSG_FORCERENEW = 9,
};
enum dhcpv4_opt {
DHCPV4_OPT_PAD = 0,
DHCPV4_OPT_NETMASK = 1,
DHCPV4_OPT_ROUTER = 3,
DHCPV4_OPT_DNSSERVER = 6,
DHCPV4_OPT_DOMAIN = 15,
DHCPV4_OPT_MTU = 26,
DHCPV4_OPT_BROADCAST = 28,
DHCPV4_OPT_NTPSERVER = 42,
DHCPV4_OPT_LEASETIME = 51,
DHCPV4_OPT_MESSAGE = 53,
DHCPV4_OPT_SERVERID = 54,
DHCPV4_OPT_REQOPTS = 55,
DHCPV4_OPT_RENEW = 58,
DHCPV4_OPT_REBIND = 59,
DHCPV4_OPT_IPADDRESS = 50,
DHCPV4_OPT_MSG_TYPE = 53,
DHCPV4_OPT_HOSTNAME = 12,
DHCPV4_OPT_REQUEST = 17,
DHCPV4_OPT_USER_CLASS = 77,
DHCPV4_OPT_AUTHENTICATION = 90,
DHCPV4_OPT_SEARCH_DOMAIN = 119,
DHCPV4_OPT_FORCERENEW_NONCE_CAPABLE = 145,
DHCPV4_OPT_END = 255,
};
struct dhcpv4_message {
uint8_t op;
uint8_t htype;
uint8_t hlen;
uint8_t hops;
uint32_t xid;
uint16_t secs;
uint16_t flags;
struct in_addr ciaddr;
struct in_addr yiaddr;
struct in_addr siaddr;
struct in_addr giaddr;
uint8_t chaddr[16];
char sname[64];
char file[128];
uint32_t magic;
uint8_t options[];
} __attribute__((packed));
#define DHCPV4_MAGIC 0x63825363
enum dhcpv6_opt {
DHCPV6_MSG_SOLICIT = 1,
DHCPV6_MSG_ADVERTISE = 2,
DHCPV6_MSG_REQUEST = 3,
DHCPV6_MSG_CONFIRM = 4,
DHCPV6_MSG_RENEW = 5,
DHCPV6_MSG_REBIND = 6,
DHCPV6_MSG_REPLY = 7,
DHCPV6_MSG_RELEASE = 8,
DHCPV6_MSG_DECLINE = 9,
DHCPV6_MSG_RECONFIGURE = 10,
DHCPV6_MSG_INFORMATION_REQUEST = 11,
DHCPV6_MSG_RELAY_FORW = 12,
DHCPV6_MSG_RELAY_REPL = 13,
};
struct dhcpv6_message {
uint8_t msg_type;
uint8_t transaction_id[3];
uint8_t options[];
} __attribute__((packed));
#endif
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