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Diffstat (limited to 'roms/ipxe/src/usr/dhcpmgmt.c')
-rw-r--r--roms/ipxe/src/usr/dhcpmgmt.c80
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;
+}