DHCP APIs Header file. More...

Macros
#define	MAX_DHCPV4_RETRY 2
	Maximum retry count. More...

#define	DHCPV4_WAIT_TIME 10
	Wait Time 10s. More...

#define	DHCPV4_SERVER_PORT 67
	DHCP server port number. More...

#define	DHCPV4_CLIENT_PORT 68
	DHCP client port number. More...

#define	MAGIC_COOKIE 0x63825363
	You should not modify it number. More...

#define	DCHPV4_HOST_NAME "WIZnet\0"

Enumerations
enum	{ DHCPV4_FAILED = 0, DHCPV4_RUNNING, DHCP_IPV4_ASSIGN, DHCP_IPV4_CHANGED, DHCP_IPV4_LEASED, DHCPV4_STOPPED }

Functions
void	DHCPv4_init (uint8_t s, uint8_t *buf)

void	DHCPv4_time_handler (void)

void	reg_dhcpv4_cbfunc (void(ip_assign)(void), void(ip_update)(void), void(*ip_conflict)(void))

uint8_t	DHCPv4_run (void)

void	DHCPv4_stop (void)

void	getIPfromDHCPv4 (uint8_t *ip)

void	getGWfromDHCPv4 (uint8_t *ip)

void	getSNfromDHCPv4 (uint8_t *ip)

void	getDNSfromDHCPv4 (uint8_t *ip)

uint32_t	getDHCPv4Leasetime (void)

Detailed Description

DHCP APIs Header file.

Processig DHCP protocol as DISCOVER, OFFER, REQUEST, ACK, NACK and DECLINE.

Version: 1.1.1

Date: 2019/10/08

Revision history: <2019/10/08> compare DHCP server ip address <2013/11/18> 1st Release <2012/12/20> V1.1.0 1. Move unreferenced DEFINE to dhcp.c <2012/12/26> V1.1.1

Author: Eric Jung & MidnightCow

Copyright

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the <ORGANIZATION> nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition in file dhcpv4.h.

Macro Definition Documentation

◆ MAX_DHCPV4_RETRY

#define MAX_DHCPV4_RETRY 2

Maximum retry count.

Definition at line 62 of file dhcpv4.h.

◆ DHCPV4_WAIT_TIME

#define DHCPV4_WAIT_TIME 10

Wait Time 10s.

Definition at line 63 of file dhcpv4.h.

◆ DHCPV4_SERVER_PORT

#define DHCPV4_SERVER_PORT 67

DHCP server port number.

Definition at line 67 of file dhcpv4.h.

◆ DHCPV4_CLIENT_PORT

#define DHCPV4_CLIENT_PORT 68

DHCP client port number.

Definition at line 68 of file dhcpv4.h.

◆ MAGIC_COOKIE

#define MAGIC_COOKIE 0x63825363

You should not modify it number.

Definition at line 71 of file dhcpv4.h.

◆ DCHPV4_HOST_NAME

#define DCHPV4_HOST_NAME "WIZnet\0"

Definition at line 73 of file dhcpv4.h.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
DHCPV4_FAILED	Processing Fail.
DHCPV4_RUNNING	Processing DHCP protocol.
DHCP_IPV4_ASSIGN	First Occupy IP from DHPC server (if cbfunc == null, act as default default_ip_assign)
DHCP_IPV4_CHANGED	Change IP address by new ip from DHCP (if cbfunc == null, act as default default_ip_update)
DHCP_IPV4_LEASED	Stand by.
DHCPV4_STOPPED	Stop processing DHCP protocol.