--- /dev/null
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ * IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef _DHCP_H_
+#define _DHCP_H_
+
+#include <stdint.h>
+
+#ifdef USE_MTFTP
+#include <netlib/mtftp.h>
+#else
+#include <netlib/tftp.h>
+#endif
+
+/** \struct btphdr
+ * A header for BootP/DHCP-messages.
+ * For more information see RFC 951 / RFC 2131.
+ */
+struct btphdr {
+ uint8_t op; /**< Identifies is it request (1) or reply (2) */
+ uint8_t htype; /**< HW address type (ethernet usually) */
+ uint8_t hlen; /**< HW address length */
+ uint8_t hops; /**< This info used by relay agents (not used) */
+ uint32_t xid; /**< This ID is used to match queries and replies */
+ uint16_t secs; /**< Unused */
+ uint16_t unused; /**< Unused */
+ uint32_t ciaddr; /**< Client IP address (if client knows it) */
+ uint32_t yiaddr; /**< "Your" (client) IP address */
+ uint32_t siaddr; /**< Next server IP address (TFTP server IP) */
+ uint32_t giaddr; /**< Gateway IP address (used by relay agents) */
+ uint8_t chaddr[16]; /**< Client HW address */
+ uint8_t sname[64]; /**< Server host name (TFTP server name) */
+ uint8_t file[128]; /**< Boot file name */
+ uint8_t vend[64]; /**< Optional parameters field (DHCP-options) */
+};
+
+int bootp(char *ret_buffer, filename_ip_t *, unsigned int);
+int dhcpv4(char *ret_buffer, filename_ip_t *);
+void dhcp_send_release(int fd);
+
+/* Handles DHCP-packets, which are detected by receive_ether. */
+extern int8_t handle_dhcp(int fd, uint8_t * packet, int32_t packetsize);
+
+#endif