gpxe/src/usr/dhcpmgmt.c

   1 /*
   2  * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18
  19 #include <string.h>
  20 #include <stdio.h>
  21 #include <errno.h>
  22 #include <gpxe/netdevice.h>
  23 #include <gpxe/dhcp.h>
  24 #include <gpxe/monojob.h>
  25 #include <gpxe/process.h>
  26 #include <usr/ifmgmt.h>
  27 #include <usr/dhcpmgmt.h>
  28
  29 /** @file
  30  *
  31  * DHCP management
  32  *
  33  */
  34
  35 int dhcp ( struct net_device *netdev ) {
  36         int rc;
  37
  38         /* Check we can open the interface first */
  39         if ( ( rc = ifopen ( netdev ) ) != 0 )
  40                 return rc;
  41
  42         /* Perform DHCP */
  43         printf ( "DHCP (%s %s)", netdev->name, netdev_hwaddr ( netdev ) );
  44         if ( ( rc = start_dhcp ( &monojob, netdev ) ) == 0 )
  45                 rc = monojob_wait ( "" );
  46
  47         return rc;
  48 }