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/*
* Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <gpxe/netdevice.h>
#include <gpxe/dhcp.h>
#include <gpxe/monojob.h>
#include <gpxe/process.h>
#include <usr/ifmgmt.h>
#include <usr/dhcpmgmt.h>
#define LINK_WAIT_MS 15000
/** @file
*
* DHCP management
*
*/
int dhcp ( struct net_device *netdev ) {
uint8_t *chaddr;
uint8_t hlen;
uint16_t flags;
int rc;
/* Check we can open the interface first */
if ( ( rc = ifopen ( netdev ) ) != 0 )
return rc;
/* Wait for link-up */
if ( ( rc = iflinkwait ( netdev, LINK_WAIT_MS ) ) != 0 )
return rc;
/* Perform DHCP */
chaddr = dhcp_chaddr ( netdev, &hlen, &flags );
printf ( "DHCP (%s ", netdev->name );
while ( hlen-- )
printf ( "%02x%c", *(chaddr++), ( hlen ? ':' : ')' ) );
if ( ( rc = start_dhcp ( &monojob, netdev ) ) == 0 ) {
rc = monojob_wait ( "" );
} else if ( rc > 0 ) {
printf ( " using cached\n" );
rc = 0;
}
return rc;
}
int pxebs ( struct net_device *netdev, unsigned int pxe_type ) {
int rc;
/* Perform PXE Boot Server Discovery */
printf ( "PXEBS (%s type %d)", netdev->name, pxe_type );
if ( ( rc = start_pxebs ( &monojob, netdev, pxe_type ) ) == 0 )
rc = monojob_wait ( "" );
return rc;
}
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