Definitions common to DHCP client and server. More...

#include "core/net.h"
#include "dhcp/dhcp_client.h"
#include "dhcp/dhcp_server.h"
#include "dhcp/dhcp_common.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL DHCP_TRACE_LEVEL

Functions
error_t	dhcpAddOption (DhcpMessage message, size_t messageLen, uint8_t optionCode, const void *optionValue, size_t optionLen)
	Append an option to a DHCP message. More...

DhcpOption *	dhcpGetOption (const DhcpMessage *message, size_t length, uint8_t optionCode)
	Search a DHCP message for a given option. More...

Detailed Description

Definitions common to DHCP client and server.

License

SPDX-License-Identifier: GPL-2.0-or-later

This file is part of CycloneTCP Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author: Oryx Embedded SARL (www.oryx-embedded.com)

Version: 2.4.4

Definition in file dhcp_common.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL DHCP_TRACE_LEVEL

Definition at line 32 of file dhcp_common.c.

Function Documentation

◆ dhcpAddOption()

error_t dhcpAddOption	(	DhcpMessage *	message,
		size_t *	messageLen,
		uint8_t	optionCode,
		const void *	optionValue,
		size_t	optionLen
	)

Append an option to a DHCP message.

Parameters

[in]	message	Pointer to the DHCP message
[in,out]	messageLen	Actual length of the DHCP message
[in]	optionCode	Option code
[in]	optionValue	Option value
[in]	optionLen	Length of the option value

Returns: Error code

Definition at line 56 of file dhcp_common.c.

◆ dhcpGetOption()

DhcpOption* dhcpGetOption	(	const DhcpMessage *	message,
		size_t	length,
		uint8_t	optionCode
	)

Search a DHCP message for a given option.