1 files changed, 78 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/usr/dhcpmgmt.c b/contrib/syslinux-4.02/gpxe/src/usr/dhcpmgmt.c
new file mode 100644
index 0000000..f82a3bb
--- /dev/null
+++ b/contrib/syslinux-4.02/gpxe/src/usr/dhcpmgmt.c
@@ -0,0 +1,78 @@
+/*
+ * 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;
+}