/**************************************************************************
 *
 * Copyright (c) 2013 Alcatel-Lucent
 *
 * Alcatel Lucent licenses this file to You under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License.  A copy of the License is contained the
 * file LICENSE at the top level of this repository.
 * You may also obtain a copy of the License at:
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 **************************************************************************
 *
 * dhcp_02.c:
 *
 * This is the PPA-specific code used for Time-Warner Market.
 *
 * Original author:     Ed Sutter (ed.sutter@alcatel-lucent.com)
 *
 */
#include "config.h"
#include "cpuio.h"
#include "ether.h"
#include "tfs.h"
#include "tfsprivate.h"
#include "genlib.h"
#include "stddefs.h"

/* ValidDHCPOffer():
 *  Target issued the DISCOVER, the incoming packet is the server's
 *  OFFER reply.  If the offer contains the string PPADHCPSRVR in the
 *  bootfile string, then accept the offer (return 1); else reject it.
 */
ValidDHCPOffer(struct   dhcphdr *dhdr)
{
    if(strcmp(dhdr->bootfile,"PPADHCPSRVR")) {
        return(0);
    }
    return(1);
}

/* buildDhcpHdr():
 *  Called by dhcpboot.c to allow application-specific header stuff to
 *  be added to header.  Return 0 if generic stuff in dhcpboot.c is to be
 *  used; else return 1 and the calling code will assume this function is
 *  dealing with it (see dhcpboot.c for basic idea).
 */
int
buildDhcpHdr(struct dhcphdr *dhcpdata)
{
    return(0);
}

/* DhcpBootpDone():
 *  Called at the end of the Bootp or Dhcp transaction.
 *  Input...
 *  bootp:  1 if BOOTP; else DHCP.
 *  dhdr:   pointer to dhcp or bootp header.
 *  vsize:  size of vendor specific area (for bootp this is fixed at 64,
 *          but for dhcp it is variable).
 */
void
DhcpBootpDone(int bootp, struct dhcphdr *dhdr, int vsize)
{
    return;
}

/* DhcpVendorSpecific():
 *  Process vendor specific stuff within the incoming dhcp header.
 */
void
DhcpVendorSpecific(struct   dhcphdr *dhdr)
{
}

/* printDhcpVSopt():
 *  Print vendor specific stuff within the incoming dhcp header.
 */
int
printDhcpVSopt(int vsopt, int vsoptlen, char *options)
{
    return(0);
}