#include "lwip/opt.h"
#include "lwip/arch.h"
#include "lwip/prot/ip4.h"

Classes
struct	dhcp_msg

Macros
#define	DHCP_CHADDR_LEN 16U
#define	DHCP_SNAME_OFS 44U
#define	DHCP_SNAME_LEN 64U
#define	DHCP_FILE_OFS 108U
#define	DHCP_FILE_LEN 128U
#define	DHCP_MSG_LEN 236U
#define	DHCP_OPTIONS_OFS (DHCP_MSG_LEN + 4U)
#define	DHCP_MIN_OPTIONS_LEN 68U
#define	DHCP_OPTIONS_LEN DHCP_MIN_OPTIONS_LEN
#define	DHCP_BOOTREQUEST 1
#define	DHCP_BOOTREPLY 2
#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	DHCP_INFORM 8
#define	DHCP_MAGIC_COOKIE 0x63825363UL
#define	DHCP_OPTION_PAD 0
#define	DHCP_OPTION_SUBNET_MASK 1
#define	DHCP_OPTION_ROUTER 3
#define	DHCP_OPTION_DNS_SERVER 6
#define	DHCP_OPTION_HOSTNAME 12
#define	DHCP_OPTION_IP_TTL 23
#define	DHCP_OPTION_MTU 26
#define	DHCP_OPTION_BROADCAST 28
#define	DHCP_OPTION_TCP_TTL 37
#define	DHCP_OPTION_NTP 42
#define	DHCP_OPTION_END 255
#define	DHCP_OPTION_REQUESTED_IP 50
#define	DHCP_OPTION_LEASE_TIME 51
#define	DHCP_OPTION_OVERLOAD 52
#define	DHCP_OPTION_MESSAGE_TYPE 53
#define	DHCP_OPTION_MESSAGE_TYPE_LEN 1
#define	DHCP_OPTION_SERVER_ID 54
#define	DHCP_OPTION_PARAMETER_REQUEST_LIST 55
#define	DHCP_OPTION_MAX_MSG_SIZE 57
#define	DHCP_OPTION_MAX_MSG_SIZE_LEN 2
#define	DHCP_OPTION_T1 58
#define	DHCP_OPTION_T2 59
#define	DHCP_OPTION_US 60
#define	DHCP_OPTION_CLIENT_ID 61
#define	DHCP_OPTION_TFTP_SERVERNAME 66
#define	DHCP_OPTION_BOOTFILE 67
#define	DHCP_OVERLOAD_NONE 0
#define	DHCP_OVERLOAD_FILE 1
#define	DHCP_OVERLOAD_SNAME 2
#define	DHCP_OVERLOAD_SNAME_FILE 3

Enumerations

enum dhcp_state_enum_t {
DHCP_STATE_OFF = 0 , DHCP_STATE_REQUESTING = 1 , DHCP_STATE_INIT = 2 , DHCP_STATE_REBOOTING = 3 ,
DHCP_STATE_REBINDING = 4 , DHCP_STATE_RENEWING = 5 , DHCP_STATE_SELECTING = 6 , DHCP_STATE_INFORMING = 7 ,
DHCP_STATE_CHECKING = 8 , DHCP_STATE_PERMANENT = 9 , DHCP_STATE_BOUND = 10 , DHCP_STATE_RELEASING = 11 ,
DHCP_STATE_BACKING_OFF = 12
}

Variables
PACK_STRUCT_BEGIN struct dhcp_msg	PACK_STRUCT_STRUCT

Detailed Description

DHCP protocol definitions

Definition in file dhcp.h.

Macro Definition Documentation

◆ DHCP_ACK

#define DHCP_ACK 5

Definition at line 125 of file dhcp.h.

◆ DHCP_BOOTREPLY

#define DHCP_BOOTREPLY 2

Definition at line 118 of file dhcp.h.

◆ DHCP_BOOTREQUEST

#define DHCP_BOOTREQUEST 1

Definition at line 117 of file dhcp.h.

◆ DHCP_CHADDR_LEN

#define DHCP_CHADDR_LEN 16U

Definition at line 51 of file dhcp.h.

◆ DHCP_DECLINE

#define DHCP_DECLINE 4

Definition at line 124 of file dhcp.h.

◆ DHCP_DISCOVER

#define DHCP_DISCOVER 1

Definition at line 121 of file dhcp.h.

◆ DHCP_FILE_LEN

#define DHCP_FILE_LEN 128U

Definition at line 55 of file dhcp.h.

◆ DHCP_FILE_OFS

#define DHCP_FILE_OFS 108U

Definition at line 54 of file dhcp.h.

◆ DHCP_INFORM

#define DHCP_INFORM 8

Definition at line 128 of file dhcp.h.

◆ DHCP_MAGIC_COOKIE

#define DHCP_MAGIC_COOKIE 0x63825363UL

Definition at line 130 of file dhcp.h.

◆ DHCP_MIN_OPTIONS_LEN

#define DHCP_MIN_OPTIONS_LEN 68U

Definition at line 81 of file dhcp.h.

◆ DHCP_MSG_LEN

#define DHCP_MSG_LEN 236U

Definition at line 56 of file dhcp.h.

◆ DHCP_NAK

#define DHCP_NAK 6

Definition at line 126 of file dhcp.h.

◆ DHCP_OFFER

#define DHCP_OFFER 2

Definition at line 122 of file dhcp.h.

◆ DHCP_OPTION_BOOTFILE

#define DHCP_OPTION_BOOTFILE 67

Definition at line 166 of file dhcp.h.

◆ DHCP_OPTION_BROADCAST

#define DHCP_OPTION_BROADCAST 28

Definition at line 142 of file dhcp.h.

◆ DHCP_OPTION_CLIENT_ID

#define DHCP_OPTION_CLIENT_ID 61

Definition at line 164 of file dhcp.h.

◆ DHCP_OPTION_DNS_SERVER

#define DHCP_OPTION_DNS_SERVER 6

Definition at line 138 of file dhcp.h.

◆ DHCP_OPTION_END

#define DHCP_OPTION_END 255

Definition at line 145 of file dhcp.h.

◆ DHCP_OPTION_HOSTNAME

#define DHCP_OPTION_HOSTNAME 12

Definition at line 139 of file dhcp.h.

◆ DHCP_OPTION_IP_TTL

#define DHCP_OPTION_IP_TTL 23

Definition at line 140 of file dhcp.h.

◆ DHCP_OPTION_LEASE_TIME

#define DHCP_OPTION_LEASE_TIME 51

Definition at line 149 of file dhcp.h.

◆ DHCP_OPTION_MAX_MSG_SIZE

#define DHCP_OPTION_MAX_MSG_SIZE 57

Definition at line 158 of file dhcp.h.

◆ DHCP_OPTION_MAX_MSG_SIZE_LEN

#define DHCP_OPTION_MAX_MSG_SIZE_LEN 2

Definition at line 159 of file dhcp.h.

◆ DHCP_OPTION_MESSAGE_TYPE

#define DHCP_OPTION_MESSAGE_TYPE 53

Definition at line 152 of file dhcp.h.

◆ DHCP_OPTION_MESSAGE_TYPE_LEN

#define DHCP_OPTION_MESSAGE_TYPE_LEN 1

Definition at line 153 of file dhcp.h.

◆ DHCP_OPTION_MTU

#define DHCP_OPTION_MTU 26

Definition at line 141 of file dhcp.h.

◆ DHCP_OPTION_NTP

#define DHCP_OPTION_NTP 42

Definition at line 144 of file dhcp.h.

◆ DHCP_OPTION_OVERLOAD

#define DHCP_OPTION_OVERLOAD 52

Definition at line 150 of file dhcp.h.

◆ DHCP_OPTION_PAD

#define DHCP_OPTION_PAD 0

Definition at line 135 of file dhcp.h.

◆ DHCP_OPTION_PARAMETER_REQUEST_LIST

#define DHCP_OPTION_PARAMETER_REQUEST_LIST 55

Definition at line 156 of file dhcp.h.

◆ DHCP_OPTION_REQUESTED_IP

#define DHCP_OPTION_REQUESTED_IP 50

Definition at line 148 of file dhcp.h.

◆ DHCP_OPTION_ROUTER

#define DHCP_OPTION_ROUTER 3

Definition at line 137 of file dhcp.h.

◆ DHCP_OPTION_SERVER_ID

#define DHCP_OPTION_SERVER_ID 54

Definition at line 155 of file dhcp.h.

◆ DHCP_OPTION_SUBNET_MASK

#define DHCP_OPTION_SUBNET_MASK 1

Definition at line 136 of file dhcp.h.

◆ DHCP_OPTION_T1

#define DHCP_OPTION_T1 58

Definition at line 161 of file dhcp.h.

◆ DHCP_OPTION_T2

#define DHCP_OPTION_T2 59

Definition at line 162 of file dhcp.h.

◆ DHCP_OPTION_TCP_TTL

#define DHCP_OPTION_TCP_TTL 37

Definition at line 143 of file dhcp.h.

◆ DHCP_OPTION_TFTP_SERVERNAME

#define DHCP_OPTION_TFTP_SERVERNAME 66

Definition at line 165 of file dhcp.h.

◆ DHCP_OPTION_US

#define DHCP_OPTION_US 60

Definition at line 163 of file dhcp.h.

◆ DHCP_OPTIONS_LEN

#define DHCP_OPTIONS_LEN DHCP_MIN_OPTIONS_LEN

make sure user does not configure this too small allow this to be configured in lwipopts.h, but not too small set this to be sufficient for your options in outgoing DHCP msgs

Definition at line 89 of file dhcp.h.

◆ DHCP_OPTIONS_OFS

#define DHCP_OPTIONS_OFS (DHCP_MSG_LEN + 4U)

Definition at line 57 of file dhcp.h.

◆ DHCP_OVERLOAD_FILE

#define DHCP_OVERLOAD_FILE 1

Definition at line 170 of file dhcp.h.

◆ DHCP_OVERLOAD_NONE

#define DHCP_OVERLOAD_NONE 0

Definition at line 169 of file dhcp.h.

◆ DHCP_OVERLOAD_SNAME

#define DHCP_OVERLOAD_SNAME 2

Definition at line 171 of file dhcp.h.

◆ DHCP_OVERLOAD_SNAME_FILE

#define DHCP_OVERLOAD_SNAME_FILE 3

Definition at line 172 of file dhcp.h.

◆ DHCP_RELEASE

#define DHCP_RELEASE 7

Definition at line 127 of file dhcp.h.

◆ DHCP_REQUEST

#define DHCP_REQUEST 3

Definition at line 123 of file dhcp.h.

◆ DHCP_SNAME_LEN

#define DHCP_SNAME_LEN 64U

Definition at line 53 of file dhcp.h.

◆ DHCP_SNAME_OFS

#define DHCP_SNAME_OFS 44U

Definition at line 52 of file dhcp.h.

Enumeration Type Documentation

◆ dhcp_state_enum_t

enum dhcp_state_enum_t

Definition at line 100 of file dhcp.h.

Classes

Macros