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dhcpmgmt.c 1.9KB

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  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. FILE_LICENCE ( GPL2_OR_LATER );
  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. #define LINK_WAIT_MS 15000
  29. /** @file
  30. *
  31. * DHCP management
  32. *
  33. */
  34. int dhcp ( struct net_device *netdev ) {
  35. uint8_t *chaddr;
  36. uint8_t hlen;
  37. uint16_t flags;
  38. int rc;
  39. /* Check we can open the interface first */
  40. if ( ( rc = ifopen ( netdev ) ) != 0 )
  41. return rc;
  42. /* Wait for link-up */
  43. if ( ( rc = iflinkwait ( netdev, LINK_WAIT_MS ) ) != 0 )
  44. return rc;
  45. /* Perform DHCP */
  46. chaddr = dhcp_chaddr ( netdev, &hlen, &flags );
  47. printf ( "DHCP (%s ", netdev->name );
  48. while ( hlen-- )
  49. printf ( "%02x%c", *(chaddr++), ( hlen ? ':' : ')' ) );
  50. if ( ( rc = start_dhcp ( &monojob, netdev ) ) == 0 )
  51. rc = monojob_wait ( "" );
  52. return rc;
  53. }
  54. int pxebs ( struct net_device *netdev, unsigned int pxe_type ) {
  55. int rc;
  56. /* Perform PXE Boot Server Discovery */
  57. printf ( "PXEBS (%s type %d)", netdev->name, pxe_type );
  58. if ( ( rc = start_pxebs ( &monojob, netdev, pxe_type ) ) == 0 )
  59. rc = monojob_wait ( "" );
  60. return rc;
  61. }