diff options
Diffstat (limited to 'roms/ipxe/src/usr/dhcpmgmt.c')
-rw-r--r-- | roms/ipxe/src/usr/dhcpmgmt.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/roms/ipxe/src/usr/dhcpmgmt.c b/roms/ipxe/src/usr/dhcpmgmt.c new file mode 100644 index 000000000..e651dfda1 --- /dev/null +++ b/roms/ipxe/src/usr/dhcpmgmt.c @@ -0,0 +1,80 @@ +/* + * 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 <ipxe/netdevice.h> +#include <ipxe/dhcp.h> +#include <ipxe/monojob.h> +#include <ipxe/process.h> +#include <usr/ifmgmt.h> +#include <usr/dhcpmgmt.h> + +#define LINK_WAIT_MS 15000 + +/** @file + * + * DHCP management + * + */ + +int dhcp ( struct net_device *netdev ) { + struct dhcphdr *dhcphdr; + typeof ( dhcphdr->chaddr ) chaddr; + unsigned int hlen; + unsigned int i; + 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 */ + printf ( "DHCP (%s", netdev->name ); + hlen = dhcp_chaddr ( netdev, chaddr, NULL ); + for ( i = 0 ; i < hlen ; i++ ) + printf ( "%c%02x", ( i ? ':' : ' ' ), chaddr[i] ); + printf ( ")" ); + + 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; +} |