Initial import of qemu-2.4.1HEADmaster

19 files changed, 2946 insertions, 0 deletions

diff --git a/roms/ipxe/src/usr/autoboot.c b/roms/ipxe/src/usr/autoboot.c
new file mode 100644
index 00000000..47476ae4
--- /dev/null
+++ b/roms/ipxe/src/usr/autoboot.c
@@ -0,0 +1,587 @@
+/*
+ * Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, 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/settings.h>
+#include <ipxe/image.h>
+#include <ipxe/sanboot.h>
+#include <ipxe/uri.h>
+#include <ipxe/open.h>
+#include <ipxe/init.h>
+#include <ipxe/keys.h>
+#include <ipxe/version.h>
+#include <ipxe/shell.h>
+#include <ipxe/features.h>
+#include <ipxe/image.h>
+#include <ipxe/timer.h>
+#include <usr/ifmgmt.h>
+#include <usr/route.h>
+#include <usr/imgmgmt.h>
+#include <usr/prompt.h>
+#include <usr/autoboot.h>
+#include <config/general.h>
+
+/** @file
+ *
+ * Automatic booting
+ *
+ */
+
+/** Link-layer address of preferred autoboot device, if known */
+static uint8_t autoboot_ll_addr[MAX_LL_ADDR_LEN];
+
+/** Device location of preferred autoboot device, if known */
+static struct device_description autoboot_desc;
+
+/** Autoboot device tester */
+static int ( * is_autoboot_device ) ( struct net_device *netdev );
+
+/* Disambiguate the various error causes */
+#define ENOENT_BOOT __einfo_error ( EINFO_ENOENT_BOOT )
+#define EINFO_ENOENT_BOOT \
+	__einfo_uniqify ( EINFO_ENOENT, 0x01, "Nothing to boot" )
+
+#define NORMAL	"\033[0m"
+#define BOLD	"\033[1m"
+#define CYAN	"\033[36m"
+
+/** The "scriptlet" setting */
+const struct setting scriptlet_setting __setting ( SETTING_MISC, scriptlet ) = {
+	.name = "scriptlet",
+	.description = "Boot scriptlet",
+	.tag = DHCP_EB_SCRIPTLET,
+	.type = &setting_type_string,
+};
+
+/**
+ * Perform PXE menu boot when PXE stack is not available
+ */
+__weak int pxe_menu_boot ( struct net_device *netdev __unused ) {
+	return -ENOTSUP;
+}
+
+/**
+ * Parse next-server and filename into a URI
+ *
+ * @v next_server	Next-server address
+ * @v filename		Filename
+ * @ret uri		URI, or NULL on failure
+ */
+static struct uri * parse_next_server_and_filename ( struct in_addr next_server,
+						     const char *filename ) {
+	struct uri *uri;
+
+	/* Parse filename */
+	uri = parse_uri ( filename );
+	if ( ! uri )
+		return NULL;
+
+	/* Construct a TFTP URI for the filename, if applicable */
+	if ( next_server.s_addr && filename[0] && ! uri_is_absolute ( uri ) ) {
+		uri_put ( uri );
+		uri = tftp_uri ( next_server, filename );
+		if ( ! uri )
+			return NULL;
+	}
+
+	return uri;
+}
+
+/** The "keep-san" setting */
+const struct setting keep_san_setting __setting ( SETTING_SANBOOT_EXTRA,
+						  keep-san ) = {
+	.name = "keep-san",
+	.description = "Preserve SAN connection",
+	.tag = DHCP_EB_KEEP_SAN,
+	.type = &setting_type_int8,
+};
+
+/** The "skip-san-boot" setting */
+const struct setting skip_san_boot_setting __setting ( SETTING_SANBOOT_EXTRA,
+						       skip-san-boot ) = {
+	.name = "skip-san-boot",
+	.description = "Do not boot from SAN device",
+	.tag = DHCP_EB_SKIP_SAN_BOOT,
+	.type = &setting_type_int8,
+};
+
+/**
+ * Boot from filename and root-path URIs
+ *
+ * @v filename		Filename
+ * @v root_path		Root path
+ * @v drive		SAN drive (if applicable)
+ * @v flags		Boot action flags
+ * @ret rc		Return status code
+ *
+ * The somewhat tortuous flow of control in this function exists in
+ * order to ensure that the "sanboot" command remains identical in
+ * function to a SAN boot via a DHCP-specified root path, and to
+ * provide backwards compatibility for the "keep-san" and
+ * "skip-san-boot" options.
+ */
+int uriboot ( struct uri *filename, struct uri *root_path, int drive,
+	      unsigned int flags ) {
+	struct image *image;
+	int rc;
+
+	/* Hook SAN device, if applicable */
+	if ( root_path ) {
+		if ( ( rc = san_hook ( root_path, drive ) ) != 0 ) {
+			printf ( "Could not open SAN device: %s\n",
+				 strerror ( rc ) );
+			goto err_san_hook;
+		}
+		printf ( "Registered SAN device %#02x\n", drive );
+	}
+
+	/* Describe SAN device, if applicable */
+	if ( ( drive >= 0 ) && ! ( flags & URIBOOT_NO_SAN_DESCRIBE ) ) {
+		if ( ( rc = san_describe ( drive ) ) != 0 ) {
+			printf ( "Could not describe SAN device %#02x: %s\n",
+				 drive, strerror ( rc ) );
+			goto err_san_describe;
+		}
+	}
+
+	/* Allow a root-path-only boot with skip-san enabled to succeed */
+	rc = 0;
+
+	/* Attempt filename boot if applicable */
+	if ( filename ) {
+		if ( ( rc = imgdownload ( filename, 0, &image ) ) != 0 )
+			goto err_download;
+		image->flags |= IMAGE_AUTO_UNREGISTER;
+		if ( ( rc = image_exec ( image ) ) != 0 ) {
+			printf ( "Could not boot image: %s\n",
+				 strerror ( rc ) );
+			/* Fall through to (possibly) attempt a SAN boot
+			 * as a fallback.  If no SAN boot is attempted,
+			 * our status will become the return status.
+			 */
+		} else {
+			/* Always print an extra newline, because we
+			 * don't know where the NBP may have left the
+			 * cursor.
+			 */
+			printf ( "\n" );
+		}
+	}
+
+	/* Attempt SAN boot if applicable */
+	if ( ( drive >= 0 ) && ! ( flags & URIBOOT_NO_SAN_BOOT ) ) {
+		if ( fetch_intz_setting ( NULL, &skip_san_boot_setting) == 0 ) {
+			printf ( "Booting from SAN device %#02x\n", drive );
+			rc = san_boot ( drive );
+			printf ( "Boot from SAN device %#02x failed: %s\n",
+				 drive, strerror ( rc ) );
+		} else {
+			printf ( "Skipping boot from SAN device %#02x\n",
+				 drive );
+			/* Avoid overwriting a possible failure status
+			 * from a filename boot.
+			 */
+		}
+	}
+
+ err_download:
+ err_san_describe:
+	/* Unhook SAN device, if applicable */
+	if ( ( drive >= 0 ) && ! ( flags & URIBOOT_NO_SAN_UNHOOK ) ) {
+		if ( fetch_intz_setting ( NULL, &keep_san_setting ) == 0 ) {
+			san_unhook ( drive );
+			printf ( "Unregistered SAN device %#02x\n", drive );
+		} else {
+			printf ( "Preserving SAN device %#02x\n", drive );
+		}
+	}
+ err_san_hook:
+	return rc;
+}
+
+/**
+ * Close all open net devices
+ *
+ * Called before a fresh boot attempt in order to free up memory.  We
+ * don't just close the device immediately after the boot fails,
+ * because there may still be TCP connections in the process of
+ * closing.
+ */
+static void close_all_netdevs ( void ) {
+	struct net_device *netdev;
+
+	for_each_netdev ( netdev ) {
+		ifclose ( netdev );
+	}
+}
+
+/**
+ * Fetch next-server and filename settings into a URI
+ *
+ * @v settings		Settings block
+ * @ret uri		URI, or NULL on failure
+ */
+struct uri * fetch_next_server_and_filename ( struct settings *settings ) {
+	struct in_addr next_server = { 0 };
+	char *raw_filename = NULL;
+	struct uri *uri = NULL;
+	char *filename;
+
+	/* If we have a filename, fetch it along with the next-server
+	 * setting from the same settings block.
+	 */
+	if ( fetch_setting ( settings, &filename_setting, &settings,
+			     NULL, NULL, 0 ) >= 0 ) {
+		fetch_string_setting_copy ( settings, &filename_setting,
+					    &raw_filename );
+		fetch_ipv4_setting ( settings, &next_server_setting,
+				     &next_server );
+	}
+
+	/* Expand filename setting */
+	filename = expand_settings ( raw_filename ? raw_filename : "" );
+	if ( ! filename )
+		goto err_expand;
+
+	/* Parse next server and filename */
+	if ( next_server.s_addr )
+		printf ( "Next server: %s\n", inet_ntoa ( next_server ) );
+	if ( filename[0] )
+		printf ( "Filename: %s\n", filename );
+	uri = parse_next_server_and_filename ( next_server, filename );
+	if ( ! uri )
+		goto err_parse;
+
+ err_parse:
+	free ( filename );
+ err_expand:
+	free ( raw_filename );
+	return uri;
+}
+
+/**
+ * Fetch root-path setting into a URI
+ *
+ * @v settings		Settings block
+ * @ret uri		URI, or NULL on failure
+ */
+static struct uri * fetch_root_path ( struct settings *settings ) {
+	struct uri *uri = NULL;
+	char *raw_root_path;
+	char *root_path;
+
+	/* Fetch root-path setting */
+	fetch_string_setting_copy ( settings, &root_path_setting,
+				    &raw_root_path );
+
+	/* Expand filename setting */
+	root_path = expand_settings ( raw_root_path ? raw_root_path : "" );
+	if ( ! root_path )
+		goto err_expand;
+
+	/* Parse root path */
+	if ( root_path[0] )
+		printf ( "Root path: %s\n", root_path );
+	uri = parse_uri ( root_path );
+	if ( ! uri )
+		goto err_parse;
+
+ err_parse:
+	free ( root_path );
+ err_expand:
+	free ( raw_root_path );
+	return uri;
+}
+
+/**
+ * Check whether or not we have a usable PXE menu
+ *
+ * @ret have_menu	A usable PXE menu is present
+ */
+static int have_pxe_menu ( void ) {
+	struct setting vendor_class_id_setting
+		= { .tag = DHCP_VENDOR_CLASS_ID };
+	struct setting pxe_discovery_control_setting
+		= { .tag = DHCP_PXE_DISCOVERY_CONTROL };
+	struct setting pxe_boot_menu_setting
+		= { .tag = DHCP_PXE_BOOT_MENU };
+	char buf[ 10 /* "PXEClient" + NUL */ ];
+	unsigned int pxe_discovery_control;
+
+	fetch_string_setting ( NULL, &vendor_class_id_setting,
+			       buf, sizeof ( buf ) );
+	pxe_discovery_control =
+		fetch_uintz_setting ( NULL, &pxe_discovery_control_setting );
+
+	return ( ( strcmp ( buf, "PXEClient" ) == 0 ) &&
+		 setting_exists ( NULL, &pxe_boot_menu_setting ) &&
+		 ( ! ( ( pxe_discovery_control & PXEBS_SKIP ) &&
+		       setting_exists ( NULL, &filename_setting ) ) ) );
+}
+
+/**
+ * Boot from a network device
+ *
+ * @v netdev		Network device
+ * @ret rc		Return status code
+ */
+int netboot ( struct net_device *netdev ) {
+	struct uri *filename;
+	struct uri *root_path;
+	int rc;
+
+	/* Close all other network devices */
+	close_all_netdevs();
+
+	/* Open device and display device status */
+	if ( ( rc = ifopen ( netdev ) ) != 0 )
+		goto err_ifopen;
+	ifstat ( netdev );
+
+	/* Configure device */
+	if ( ( rc = ifconf ( netdev, NULL ) ) != 0 )
+		goto err_dhcp;
+	route();
+
+	/* Try PXE menu boot, if applicable */
+	if ( have_pxe_menu() ) {
+		printf ( "Booting from PXE menu\n" );
+		rc = pxe_menu_boot ( netdev );
+		goto err_pxe_menu_boot;
+	}
+
+	/* Fetch next server and filename */
+	filename = fetch_next_server_and_filename ( NULL );
+	if ( ! filename )
+		goto err_filename;
+	if ( ! uri_has_path ( filename ) ) {
+		/* Ignore empty filename */
+		uri_put ( filename );
+		filename = NULL;
+	}
+
+	/* Fetch root path */
+	root_path = fetch_root_path ( NULL );
+	if ( ! root_path )
+		goto err_root_path;
+	if ( ! uri_is_absolute ( root_path ) ) {
+		/* Ignore empty root path */
+		uri_put ( root_path );
+		root_path = NULL;
+	}
+
+	/* If we have both a filename and a root path, ignore an
+	 * unsupported URI scheme in the root path, since it may
+	 * represent an NFS root.
+	 */
+	if ( filename && root_path &&
+	     ( xfer_uri_opener ( root_path->scheme ) == NULL ) ) {
+		printf ( "Ignoring unsupported root path\n" );
+		uri_put ( root_path );
+		root_path = NULL;
+	}
+
+	/* Check that we have something to boot */
+	if ( ! ( filename || root_path ) ) {
+		rc = -ENOENT_BOOT;
+		printf ( "Nothing to boot: %s\n", strerror ( rc ) );
+		goto err_no_boot;
+	}
+
+	/* Boot using next server, filename and root path */
+	if ( ( rc = uriboot ( filename, root_path, san_default_drive(),
+			      ( root_path ? 0 : URIBOOT_NO_SAN ) ) ) != 0 )
+		goto err_uriboot;
+
+ err_uriboot:
+ err_no_boot:
+	uri_put ( root_path );
+ err_root_path:
+	uri_put ( filename );
+ err_filename:
+ err_pxe_menu_boot:
+ err_dhcp:
+ err_ifopen:
+	return rc;
+}
+
+/**
+ * Test if network device matches the autoboot device bus type and location
+ *
+ * @v netdev		Network device
+ * @ret is_autoboot	Network device matches the autoboot device
+ */
+static int is_autoboot_busloc ( struct net_device *netdev ) {
+
+	return ( ( netdev->dev->desc.bus_type == autoboot_desc.bus_type ) &&
+		 ( netdev->dev->desc.location == autoboot_desc.location ) );
+}
+
+/**
+ * Identify autoboot device by bus type and location
+ *
+ * @v bus_type		Bus type
+ * @v location		Location
+ */
+void set_autoboot_busloc ( unsigned int bus_type, unsigned int location ) {
+
+	/* Record autoboot device description */
+	autoboot_desc.bus_type = bus_type;
+	autoboot_desc.location = location;
+
+	/* Mark autoboot device as present */
+	is_autoboot_device = is_autoboot_busloc;
+}
+
+/**
+ * Test if network device matches the autoboot device link-layer address
+ *
+ * @v netdev		Network device
+ * @ret is_autoboot	Network device matches the autoboot device
+ */
+static int is_autoboot_ll_addr ( struct net_device *netdev ) {
+
+	return ( memcmp ( netdev->ll_addr, autoboot_ll_addr,
+			  netdev->ll_protocol->ll_addr_len ) == 0 );
+}
+
+/**
+ * Identify autoboot device by link-layer address
+ *
+ * @v ll_addr		Link-layer address
+ * @v len		Length of link-layer address
+ */
+void set_autoboot_ll_addr ( const void *ll_addr, size_t len ) {
+
+	/* Record autoboot link-layer address (truncated if necessary) */
+	if ( len > sizeof ( autoboot_ll_addr ) )
+		len = sizeof ( autoboot_ll_addr );
+	memcpy ( autoboot_ll_addr, ll_addr, len );
+
+	/* Mark autoboot device as present */
+	is_autoboot_device = is_autoboot_ll_addr;
+}
+
+/**
+ * Boot the system
+ */
+static int autoboot ( void ) {
+	struct net_device *netdev;
+	int rc = -ENODEV;
+
+	/* Try booting from each network device.  If we have a
+	 * specified autoboot device location, then use only devices
+	 * matching that location.
+	 */
+	for_each_netdev ( netdev ) {
+
+		/* Skip any non-matching devices, if applicable */
+		if ( is_autoboot_device && ( ! is_autoboot_device ( netdev ) ) )
+			continue;
+
+		/* Attempt booting from this device */
+		rc = netboot ( netdev );
+	}
+
+	printf ( "No more network devices\n" );
+	return rc;
+}
+
+/**
+ * Prompt for shell entry
+ *
+ * @ret	enter_shell	User wants to enter shell
+ */
+static int shell_banner ( void ) {
+
+	/* Skip prompt if timeout is zero */
+	if ( BANNER_TIMEOUT <= 0 )
+		return 0;
+
+	/* Prompt user */
+	printf ( "\n" );
+	return ( prompt ( "Press Ctrl-B for the iPXE command line...",
+			  ( ( BANNER_TIMEOUT * TICKS_PER_SEC ) / 10 ),
+			  CTRL_B ) == 0 );
+}
+
+/**
+ * Main iPXE flow of execution
+ *
+ * @v netdev		Network device, or NULL
+ */
+void ipxe ( struct net_device *netdev ) {
+	struct feature *feature;
+	struct image *image;
+	char *scriptlet;
+
+	/*
+	 * Print welcome banner
+	 *
+	 *
+	 * If you wish to brand this build of iPXE, please do so by
+	 * defining the string PRODUCT_NAME in config/general.h.
+	 *
+	 * While nothing in the GPL prevents you from removing all
+	 * references to iPXE or http://ipxe.org, we prefer you not to
+	 * do so.
+	 *
+	 */
+	printf ( NORMAL "\n\n%s\n" BOLD "iPXE %s"
+		 NORMAL " -- Open Source Network Boot Firmware -- "
+		 CYAN "http://ipxe.org" NORMAL "\n"
+		 "Features:", product_name, product_version );
+	for_each_table_entry ( feature, FEATURES )
+		printf ( " %s", feature->name );
+	printf ( "\n" );
+
+	/* Boot system */
+	if ( ( image = first_image() ) != NULL ) {
+		/* We have an embedded image; execute it */
+		image_exec ( image );
+	} else if ( shell_banner() ) {
+		/* User wants shell; just give them a shell */
+		shell();
+	} else {
+		fetch_string_setting_copy ( NULL, &scriptlet_setting,
+					    &scriptlet );
+		if ( scriptlet ) {
+			/* User has defined a scriptlet; execute it */
+			system ( scriptlet );
+			free ( scriptlet );
+		} else {
+			/* Try booting.  If booting fails, offer the
+			 * user another chance to enter the shell.
+			 */
+			if ( netdev ) {
+				netboot ( netdev );
+			} else {
+				autoboot();
+			}
+			if ( shell_banner() )
+				shell();
+		}
+	}
+}
diff --git a/roms/ipxe/src/usr/dhcpmgmt.c b/roms/ipxe/src/usr/dhcpmgmt.c
new file mode 100644
index 00000000..23982b19
--- /dev/null
+++ b/roms/ipxe/src/usr/dhcpmgmt.c
@@ -0,0 +1,46 @@
+/*
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, 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 <usr/ifmgmt.h>
+#include <usr/dhcpmgmt.h>
+
+/** @file
+ *
+ * DHCP management
+ *
+ */
+
+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 ( "", 0 );
+
+	return rc;
+}
diff --git a/roms/ipxe/src/usr/fcmgmt.c b/roms/ipxe/src/usr/fcmgmt.c
new file mode 100644
index 00000000..a30f37a7
--- /dev/null
+++ b/roms/ipxe/src/usr/fcmgmt.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2010 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <ipxe/fc.h>
+#include <ipxe/fcels.h>
+#include <ipxe/monojob.h>
+#include <usr/fcmgmt.h>
+
+/** @file
+ *
+ * Fibre Channel management
+ *
+ */
+
+/**
+ * Print status of Fibre Channel port
+ *
+ * @v port		Fibre Channel port
+ */
+void fcportstat ( struct fc_port *port ) {
+	printf ( "%s: %s id %s", port->name, fc_ntoa ( &port->port_wwn ),
+		 fc_id_ntoa ( &port->port_id ) );
+	printf ( " node %s\n  [Link:", fc_ntoa ( &port->node_wwn ) );
+	if ( fc_link_ok ( &port->link ) ) {
+		printf ( " up, %s", fc_ntoa ( &port->link_port_wwn ) );
+		if ( ( port->flags & FC_PORT_HAS_FABRIC ) ) {
+			printf ( " fabric" );
+		} else {
+			printf ( " id %s",
+				 fc_id_ntoa ( &port->ptp_link_port_id ) );
+		}
+		printf ( " node %s]\n", fc_ntoa ( &port->link_node_wwn ) );
+	} else {
+		printf ( " down: %s]\n", strerror ( port->link.rc ) );
+	}
+}
+
+/**
+ * Print status of Fibre Channel peer
+ *
+ * @v peer		Fibre Channel peer
+ */
+void fcpeerstat ( struct fc_peer *peer ) {
+	struct fc_ulp *ulp;
+	uint8_t *param;
+	unsigned int i;
+
+	printf ( "%s:\n  [Link:", fc_ntoa ( &peer->port_wwn ) );
+	if ( fc_link_ok ( &peer->link ) ) {
+		printf ( " up, port %s id %s]\n", peer->port->name,
+			 fc_id_ntoa ( &peer->port_id ) );
+	} else {
+		printf ( " down: %s]\n", strerror ( peer->link.rc ) );
+	}
+
+	list_for_each_entry ( ulp, &peer->ulps, list ) {
+		printf ( "  [Type %02x link:", ulp->type );
+		if ( fc_link_ok ( &ulp->link ) ) {
+			printf ( " up, params" );
+			param = ulp->param;
+			for ( i = 0 ; i < ulp->param_len ; i++ ) {
+				printf ( "%c%02x", ( ( i == 0 ) ? ' ' : ':' ),
+					 param[i] );
+			}
+		} else {
+			printf ( " down: %s", strerror ( ulp->link.rc ) );
+		}
+		printf ( "]\n" );
+	}
+}
+
+/**
+ * Issue Fibre Channel ELS
+ *
+ * @v port		Fibre Channel port
+ * @v peer_port_id	Peer port ID
+ * @v handler		ELS handler
+ * @ret rc		Return status code
+ */
+int fcels ( struct fc_port *port, struct fc_port_id *peer_port_id,
+	    struct fc_els_handler *handler ) {
+	int rc;
+
+	/* Initiate ELS */
+	printf ( "%s %s to %s...",
+		 port->name, handler->name, fc_id_ntoa ( peer_port_id ) );
+	if ( ( rc = fc_els_request ( &monojob, port, peer_port_id,
+				     handler ) ) != 0 ) {
+		printf ( "%s\n", strerror ( rc ) );
+		return rc;
+	}
+
+	/* Wait for ELS to complete */
+	return monojob_wait ( "", 0 );
+}
diff --git a/roms/ipxe/src/usr/ifmgmt.c b/roms/ipxe/src/usr/ifmgmt.c
new file mode 100644
index 00000000..3d05895c
--- /dev/null
+++ b/roms/ipxe/src/usr/ifmgmt.c
@@ -0,0 +1,289 @@
+/*
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <ipxe/console.h>
+#include <ipxe/netdevice.h>
+#include <ipxe/device.h>
+#include <ipxe/job.h>
+#include <ipxe/monojob.h>
+#include <ipxe/timer.h>
+#include <usr/ifmgmt.h>
+
+/** @file
+ *
+ * Network interface management
+ *
+ */
+
+/** Default time to wait for link-up */
+#define LINK_WAIT_TIMEOUT ( 15 * TICKS_PER_SEC )
+
+/** Default unsuccessful configuration status code */
+#define EADDRNOTAVAIL_CONFIG __einfo_error ( EINFO_EADDRNOTAVAIL_CONFIG )
+#define EINFO_EADDRNOTAVAIL_CONFIG					\
+	__einfo_uniqify ( EINFO_EADDRNOTAVAIL, 0x01,			\
+			  "No configuration methods succeeded" )
+
+/**
+ * Open network device
+ *
+ * @v netdev		Network device
+ * @ret rc		Return status code
+ */
+int ifopen ( struct net_device *netdev ) {
+	int rc;
+
+	if ( ( rc = netdev_open ( netdev ) ) != 0 ) {
+		printf ( "Could not open %s: %s\n",
+			 netdev->name, strerror ( rc ) );
+		return rc;
+	}
+
+	return 0;
+}
+
+/**
+ * Close network device
+ *
+ * @v netdev		Network device
+ */
+void ifclose ( struct net_device *netdev ) {
+	netdev_close ( netdev );
+}
+
+/**
+ * Print network device error breakdown
+ *
+ * @v stats		Network device statistics
+ * @v prefix		Message prefix
+ */
+static void ifstat_errors ( struct net_device_stats *stats,
+			    const char *prefix ) {
+	unsigned int i;
+
+	for ( i = 0 ; i < ( sizeof ( stats->errors ) /
+			    sizeof ( stats->errors[0] ) ) ; i++ ) {
+		if ( stats->errors[i].count )
+			printf ( "  [%s: %d x \"%s\"]\n", prefix,
+				 stats->errors[i].count,
+				 strerror ( stats->errors[i].rc ) );
+	}
+}
+
+/**
+ * Print status of network device
+ *
+ * @v netdev		Network device
+ */
+void ifstat ( struct net_device *netdev ) {
+	printf ( "%s: %s using %s on %s (%s)\n"
+		 "  [Link:%s, TX:%d TXE:%d RX:%d RXE:%d]\n",
+		 netdev->name, netdev_addr ( netdev ),
+		 netdev->dev->driver_name, netdev->dev->name,
+		 ( netdev_is_open ( netdev ) ? "open" : "closed" ),
+		 ( netdev_link_ok ( netdev ) ? "up" : "down" ),
+		 netdev->tx_stats.good, netdev->tx_stats.bad,
+		 netdev->rx_stats.good, netdev->rx_stats.bad );
+	if ( ! netdev_link_ok ( netdev ) ) {
+		printf ( "  [Link status: %s]\n",
+			 strerror ( netdev->link_rc ) );
+	}
+	ifstat_errors ( &netdev->tx_stats, "TXE" );
+	ifstat_errors ( &netdev->rx_stats, "RXE" );
+}
+
+/** Network device poller */
+struct ifpoller {
+	/** Job control interface */
+	struct interface job;
+	/** Network device */
+	struct net_device *netdev;
+	/** Network device configurator (if applicable) */
+	struct net_device_configurator *configurator;
+	/**
+	 * Check progress
+	 *
+	 * @v ifpoller		Network device poller
+	 * @ret ongoing_rc	Ongoing job status code (if known)
+	 */
+	int ( * progress ) ( struct ifpoller *ifpoller );
+};
+
+/**
+ * Report network device poller progress
+ *
+ * @v ifpoller		Network device poller
+ * @v progress		Progress report to fill in
+ * @ret ongoing_rc	Ongoing job status code (if known)
+ */
+static int ifpoller_progress ( struct ifpoller *ifpoller,
+			       struct job_progress *progress __unused ) {
+
+	/* Hand off to current progress checker */
+	return ifpoller->progress ( ifpoller );
+}
+
+/** Network device poller operations */
+static struct interface_operation ifpoller_job_op[] = {
+	INTF_OP ( job_progress, struct ifpoller *, ifpoller_progress ),
+};
+
+/** Network device poller descriptor */
+static struct interface_descriptor ifpoller_job_desc =
+	INTF_DESC ( struct ifpoller, job, ifpoller_job_op );
+
+/**
+ * Poll network device until completion
+ *
+ * @v netdev		Network device
+ * @v configurator	Network device configurator (if applicable)
+ * @v timeout		Timeout period, in ticks
+ * @v progress		Method to check progress
+ * @ret rc		Return status code
+ */
+static int ifpoller_wait ( struct net_device *netdev,
+			   struct net_device_configurator *configurator,
+			   unsigned long timeout,
+			   int ( * progress ) ( struct ifpoller *ifpoller ) ) {
+	static struct ifpoller ifpoller = {
+		.job = INTF_INIT ( ifpoller_job_desc ),
+	};
+
+	ifpoller.netdev = netdev;
+	ifpoller.configurator = configurator;
+	ifpoller.progress = progress;
+	intf_plug_plug ( &monojob, &ifpoller.job );
+	return monojob_wait ( "", timeout );
+}
+
+/**
+ * Check link-up progress
+ *
+ * @v ifpoller		Network device poller
+ * @ret ongoing_rc	Ongoing job status code (if known)
+ */
+static int iflinkwait_progress ( struct ifpoller *ifpoller ) {
+	struct net_device *netdev = ifpoller->netdev;
+	int ongoing_rc = netdev->link_rc;
+
+	/* Terminate successfully if link is up */
+	if ( ongoing_rc == 0 )
+		intf_close ( &ifpoller->job, 0 );
+
+	/* Otherwise, report link status as ongoing job status */
+	return ongoing_rc;
+}
+
+/**
+ * Wait for link-up, with status indication
+ *
+ * @v netdev		Network device
+ * @v timeout		Timeout period, in ticks
+ */
+int iflinkwait ( struct net_device *netdev, unsigned long timeout ) {
+	int rc;
+
+	/* Ensure device is open */
+	if ( ( rc = ifopen ( netdev ) ) != 0 )
+		return rc;
+
+	/* Return immediately if link is already up */
+	netdev_poll ( netdev );
+	if ( netdev_link_ok ( netdev ) )
+		return 0;
+
+	/* Wait for link-up */
+	printf ( "Waiting for link-up on %s", netdev->name );
+	return ifpoller_wait ( netdev, NULL, timeout, iflinkwait_progress );
+}
+
+/**
+ * Check configuration progress
+ *
+ * @v ifpoller		Network device poller
+ * @ret ongoing_rc	Ongoing job status code (if known)
+ */
+static int ifconf_progress ( struct ifpoller *ifpoller ) {
+	struct net_device *netdev = ifpoller->netdev;
+	struct net_device_configurator *configurator = ifpoller->configurator;
+	struct net_device_configuration *config;
+	int rc;
+
+	/* Do nothing unless configuration has completed */
+	if ( netdev_configuration_in_progress ( netdev ) )
+		return 0;
+
+	/* Terminate with appropriate overall return status code */
+	if ( configurator ) {
+		config = netdev_configuration ( netdev, configurator );
+		rc = config->rc;
+	} else {
+		rc = ( netdev_configuration_ok ( netdev ) ?
+		       0 : -EADDRNOTAVAIL_CONFIG );
+	}
+	intf_close ( &ifpoller->job, rc );
+
+	return rc;
+}
+
+/**
+ * Perform network device configuration
+ *
+ * @v netdev		Network device
+ * @v configurator	Network device configurator, or NULL to use all
+ * @ret rc		Return status code
+ */
+int ifconf ( struct net_device *netdev,
+	     struct net_device_configurator *configurator ) {
+	int rc;
+
+	/* Ensure device is open and link is up */
+	if ( ( rc = iflinkwait ( netdev, LINK_WAIT_TIMEOUT ) ) != 0 )
+		return rc;
+
+	/* Start configuration */
+	if ( configurator ) {
+		if ( ( rc = netdev_configure ( netdev, configurator ) ) != 0 ) {
+			printf ( "Could not configure %s via %s: %s\n",
+				 netdev->name, configurator->name,
+				 strerror ( rc ) );
+			return rc;
+		}
+	} else {
+		if ( ( rc = netdev_configure_all ( netdev ) ) != 0 ) {
+			printf ( "Could not configure %s: %s\n",
+				 netdev->name, strerror ( rc ) );
+			return rc;
+		}
+	}
+
+	/* Wait for configuration to complete */
+	printf ( "Configuring %s%s%s(%s %s)",
+		 ( configurator ? "[" : "" ),
+		 ( configurator ? configurator->name : "" ),
+		 ( configurator ? "] " : "" ),
+		 netdev->name, netdev->ll_protocol->ntoa ( netdev->ll_addr ) );
+	return ifpoller_wait ( netdev, configurator, 0, ifconf_progress );
+}
diff --git a/roms/ipxe/src/usr/imgmgmt.c b/roms/ipxe/src/usr/imgmgmt.c
new file mode 100644
index 00000000..c9c57164
--- /dev/null
+++ b/roms/ipxe/src/usr/imgmgmt.c
@@ -0,0 +1,166 @@
+/*
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <ipxe/image.h>
+#include <ipxe/downloader.h>
+#include <ipxe/monojob.h>
+#include <ipxe/open.h>
+#include <ipxe/uri.h>
+#include <usr/imgmgmt.h>
+
+/** @file
+ *
+ * Image management
+ *
+ */
+
+/**
+ * Download a new image
+ *
+ * @v uri		URI
+ * @v timeout		Download timeout
+ * @v image		Image to fill in
+ * @ret rc		Return status code
+ */
+int imgdownload ( struct uri *uri, unsigned long timeout,
+		  struct image **image ) {
+	const char *password;
+	char *uri_string_redacted;
+	int rc;
+
+	/* Construct redacted URI */
+	password = uri->password;
+	if ( password )
+		uri->password = "***";
+	uri_string_redacted = format_uri_alloc ( uri );
+	uri->password = password;
+	if ( ! uri_string_redacted ) {
+		rc = -ENOMEM;
+		goto err_uri_string;
+	}
+
+	/* Resolve URI */
+	uri = resolve_uri ( cwuri, uri );
+	if ( ! uri ) {
+		rc = -ENOMEM;
+		goto err_resolve_uri;
+	}
+
+	/* Allocate image */
+	*image = alloc_image ( uri );
+	if ( ! *image ) {
+		rc = -ENOMEM;
+		goto err_alloc_image;
+	}
+
+	/* Create downloader */
+	if ( ( rc = create_downloader ( &monojob, *image ) ) != 0 ) {
+		printf ( "Could not start download: %s\n", strerror ( rc ) );
+		goto err_create_downloader;
+	}
+
+	/* Wait for download to complete */
+	if ( ( rc = monojob_wait ( uri_string_redacted, timeout ) ) != 0 )
+		goto err_monojob_wait;
+
+	/* Register image */
+	if ( ( rc = register_image ( *image ) ) != 0 ) {
+		printf ( "Could not register image: %s\n", strerror ( rc ) );
+		goto err_register_image;
+	}
+
+ err_register_image:
+ err_monojob_wait:
+ err_create_downloader:
+	image_put ( *image );
+ err_alloc_image:
+	uri_put ( uri );
+ err_resolve_uri:
+	free ( uri_string_redacted );
+ err_uri_string:
+	return rc;
+}
+
+/**
+ * Download a new image
+ *
+ * @v uri_string	URI string
+ * @v timeout		Download timeout
+ * @v image		Image to fill in
+ * @ret rc		Return status code
+ */
+int imgdownload_string ( const char *uri_string, unsigned long timeout,
+			 struct image **image ) {
+	struct uri *uri;
+	int rc;
+
+	if ( ! ( uri = parse_uri ( uri_string ) ) )
+		return -ENOMEM;
+
+	rc = imgdownload ( uri, timeout, image );
+
+	uri_put ( uri );
+	return rc;
+}
+
+/**
+ * Acquire an image
+ *
+ * @v name_uri		Name or URI string
+ * @v timeout		Download timeout
+ * @v image		Image to fill in
+ * @ret rc		Return status code
+ */
+int imgacquire ( const char *name_uri, unsigned long timeout,
+		 struct image **image ) {
+
+	/* If we already have an image with the specified name, use it */
+	*image = find_image ( name_uri );
+	if ( *image )
+		return 0;
+
+	/* Otherwise, download a new image */
+	return imgdownload_string ( name_uri, timeout, image );
+}
+
+/**
+ * Display status of an image
+ *
+ * @v image		Executable/loadable image
+ */
+void imgstat ( struct image *image ) {
+	printf ( "%s : %zd bytes", image->name, image->len );
+	if ( image->type )
+		printf ( " [%s]", image->type->name );
+	if ( image->flags & IMAGE_TRUSTED )
+		printf ( " [TRUSTED]" );
+	if ( image->flags & IMAGE_SELECTED )
+		printf ( " [SELECTED]" );
+	if ( image->flags & IMAGE_AUTO_UNREGISTER )
+		printf ( " [AUTOFREE]" );
+	if ( image->cmdline )
+		printf ( " \"%s\"", image->cmdline );
+	printf ( "\n" );
+}
diff --git a/roms/ipxe/src/usr/imgtrust.c b/roms/ipxe/src/usr/imgtrust.c
new file mode 100644
index 00000000..da7ff2ef
--- /dev/null
+++ b/roms/ipxe/src/usr/imgtrust.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2012 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdlib.h>
+#include <errno.h>
+#include <time.h>
+#include <syslog.h>
+#include <ipxe/uaccess.h>
+#include <ipxe/image.h>
+#include <ipxe/cms.h>
+#include <ipxe/validator.h>
+#include <ipxe/monojob.h>
+#include <usr/imgtrust.h>
+
+/** @file
+ *
+ * Image trust management
+ *
+ */
+
+/**
+ * Verify image using downloaded signature
+ *
+ * @v image		Image to verify
+ * @v signature		Image containing signature
+ * @v name		Required common name, or NULL to allow any name
+ * @ret rc		Return status code
+ */
+int imgverify ( struct image *image, struct image *signature,
+		const char *name ) {
+	size_t len;
+	void *data;
+	struct cms_signature *sig;
+	struct cms_signer_info *info;
+	time_t now;
+	int rc;
+
+	/* Mark image as untrusted */
+	image_untrust ( image );
+
+	/* Copy signature to internal memory */
+	len = signature->len;
+	data = malloc ( len );
+	if ( ! data ) {
+		rc = -ENOMEM;
+		goto err_alloc;
+	}
+	copy_from_user ( data, signature->data, 0, len );
+
+	/* Parse signature */
+	if ( ( rc = cms_signature ( data, len, &sig ) ) != 0 )
+		goto err_parse;
+
+	/* Free internal copy of signature */
+	free ( data );
+	data = NULL;
+
+	/* Complete all certificate chains */
+	list_for_each_entry ( info, &sig->info, list ) {
+		if ( ( rc = create_validator ( &monojob, info->chain ) ) != 0 )
+			goto err_create_validator;
+		if ( ( rc = monojob_wait ( NULL, 0 ) ) != 0 )
+			goto err_validator_wait;
+	}
+
+	/* Use signature to verify image */
+	now = time ( NULL );
+	if ( ( rc = cms_verify ( sig, image->data, image->len,
+				 name, now, NULL, NULL ) ) != 0 )
+		goto err_verify;
+
+	/* Drop reference to signature */
+	cms_put ( sig );
+	sig = NULL;
+
+	/* Mark image as trusted */
+	image_trust ( image );
+	syslog ( LOG_NOTICE, "Image \"%s\" signature OK\n", image->name );
+
+	return 0;
+
+ err_verify:
+ err_validator_wait:
+ err_create_validator:
+	cms_put ( sig );
+ err_parse:
+	free ( data );
+ err_alloc:
+	syslog ( LOG_ERR, "Image \"%s\" signature bad: %s\n",
+		 image->name, strerror ( rc ) );
+	return rc;
+}
diff --git a/roms/ipxe/src/usr/ipstat.c b/roms/ipxe/src/usr/ipstat.c
new file mode 100644
index 00000000..95ad799d
--- /dev/null
+++ b/roms/ipxe/src/usr/ipstat.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2014 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <ipxe/ipstat.h>
+#include <usr/ipstat.h>
+
+/** @file
+ *
+ * IP statistics
+ *
+ */
+
+/**
+ * Print IP statistics
+ *
+ */
+void ipstat ( void ) {
+	struct ip_statistics_family *family;
+	struct ip_statistics *stats;
+
+	for_each_table_entry ( family, IP_STATISTICS_FAMILIES ) {
+		stats = family->stats;
+		printf ( "IP version %d:\n", family->version );
+		printf ( "  InReceives:%ld InMcastPkts:%ld InBcastPkts:%ld "
+			 "InOctets:%ld\n", stats->in_receives,
+			 stats->in_mcast_pkts, stats->in_bcast_pkts,
+			 stats->in_octets );
+		printf ( "  InHdrErrors:%ld InAddrErrors:%ld "
+			 "InUnknownProtos:%ld InTruncatedPkts:%ld\n",
+			 stats->in_hdr_errors, stats->in_addr_errors,
+			 stats->in_unknown_protos, stats->in_truncated_pkts );
+		printf ( "  ReasmReqds:%ld ReasmOKs:%ld ReasmFails:%ld\n",
+			 stats->reasm_reqds, stats->reasm_oks,
+			 stats->reasm_fails );
+		printf ( "  InDelivers:%ld OutRequests:%ld OutNoRoutes:%ld\n",
+			 stats->in_delivers, stats->out_requests,
+			 stats->out_no_routes );
+		printf ( "  OutTransmits:%ld OutMcastPkts:%ld OutBcastPkts:%ld "
+			 "OutOctets:%ld\n", stats->out_transmits,
+			 stats->out_mcast_pkts, stats->out_bcast_pkts,
+			 stats->out_octets );
+	}
+}
diff --git a/roms/ipxe/src/usr/iwmgmt.c b/roms/ipxe/src/usr/iwmgmt.c
new file mode 100644
index 00000000..a486bceb
--- /dev/null
+++ b/roms/ipxe/src/usr/iwmgmt.c
@@ -0,0 +1,226 @@
+/*
+ * Copyright (C) 2009 Joshua Oreman <oremanj@rwcr.net>.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <ipxe/net80211.h>
+#include <ipxe/ethernet.h>
+#include <usr/ifmgmt.h>
+#include <usr/iwmgmt.h>
+
+/** @file
+ *
+ * Wireless network interface management
+ *
+ */
+
+/**
+ * Print status of 802.11 device
+ *
+ * @v dev	802.11 device
+ */
+void iwstat ( struct net80211_device *dev ) {
+
+	ifstat ( dev->netdev );
+
+	printf ( "  [802.11 ");
+	if ( dev->state & NET80211_ASSOCIATED ) {
+		printf ( "SSID '%s', ", dev->essid );
+	} else {
+		printf ( "not associated, " );
+	}
+	if ( dev->channel < dev->nr_channels && dev->rate < dev->nr_rates ) {
+		printf ( "Ch:%d Sig:%d", dev->channels[dev->channel].channel_nr,
+			 dev->last_signal );
+		switch ( dev->hw->signal_type ) {
+		case NET80211_SIGNAL_NONE:
+			printf ( "?" );
+			break;
+		case NET80211_SIGNAL_ARBITRARY:
+			printf ( "/%d", dev->hw->signal_max );
+			break;
+		case NET80211_SIGNAL_DB:
+			printf ( "/%d dB", dev->hw->signal_max );
+			break;
+		case NET80211_SIGNAL_DBM:
+			printf ( " dBm" );
+			break;
+		}
+		printf ( ", Qual:%d%% Rate:%d Mbps]\n",
+			 ( dev->rx_beacon_interval == 0 ? 0 :
+			   100 * dev->tx_beacon_interval /
+			   dev->rx_beacon_interval ),
+			 dev->rates[dev->rate] / 10 );
+	} else {
+		printf ( "antenna off]\n" );
+	}
+
+	if ( dev->state & NET80211_WORKING ) {
+		printf ( "  [associating" );
+		if ( dev->associating )
+			printf ( " to '%s'", dev->associating->essid );
+		printf ( "...]\n" );
+	}
+}
+
+/** Identifiers for 802.11 cryptography types, indexed by type number */
+static const char *crypto_types[] = {
+	[NET80211_CRYPT_NONE] = "Open",
+	[NET80211_CRYPT_WEP] = "WEP ",
+	[NET80211_CRYPT_TKIP] = "WPA ",
+	[NET80211_CRYPT_CCMP] = "WPA2",
+	[NET80211_CRYPT_UNKNOWN] = "UNK ",
+};
+
+/** Number of 802.11 cryptography types defined */
+#define NR_CRYPTO_TYPES ( sizeof ( crypto_types ) / sizeof ( crypto_types[0] ) )
+
+/** Identifiers for 802.11 authentication types, indexed by type number */
+static const char *auth_types[] = {
+	[NET80211_SECPROT_NONE] = "",
+	[NET80211_SECPROT_PSK] = "PSK",
+	[NET80211_SECPROT_EAP] = "802.1X",
+	[NET80211_SECPROT_UNKNOWN] = "UNK",
+};
+
+/** Number of 802.11 authentication types defined */
+#define NR_AUTH_TYPES ( sizeof ( auth_types ) / sizeof ( auth_types[0] ) )
+
+/**
+ * Scan for wireless networks using 802.11 device
+ *
+ * @v dev	802.11 device
+ * @v active	Whether to use active scanning
+ *
+ * The list of networks found will be printed in tabular format.
+ *
+ * This function is safe to call at all times, whether the 802.11
+ * device is open or not, but if called while the auto-association
+ * task is running it will return an error indication.
+ */
+int iwlist ( struct net80211_device *dev ) {
+	struct net80211_probe_ctx *ctx;
+	struct list_head *networks;
+	struct net80211_wlan *wlan;
+	char ssid_buf[22];
+	int rc;
+	unsigned i;
+	int was_opened = netdev_is_open ( dev->netdev );
+	int was_channel = dev->channels[dev->channel].channel_nr;
+
+	if ( ! was_opened ) {
+		dev->state |= NET80211_NO_ASSOC;
+		rc = netdev_open ( dev->netdev );
+		if ( rc < 0 )
+			goto err;
+	}
+
+	if ( dev->state & NET80211_WORKING ) {
+		rc = -EINVAL;
+		goto err_close_netdev;
+	}
+
+	if ( ! was_opened ) {
+		rc = net80211_prepare_probe ( dev, dev->hw->bands, 0 );
+		if ( rc < 0 )
+			goto err_close_netdev;
+	}
+
+	ctx = net80211_probe_start ( dev, "", 0 );
+	if ( ! ctx ) {
+		rc = -ENOMEM;
+		goto err_close_netdev;
+	}
+
+	while ( ! ( rc = net80211_probe_step ( ctx ) ) ) {
+		step();
+	}
+
+	networks = net80211_probe_finish_all ( ctx );
+
+	if ( list_empty ( networks ) ) {
+		goto err_free_networks;
+	}
+
+	rc = 0;
+
+	printf ( "Networks on %s:\n\n", dev->netdev->name );
+
+	/* Output format:
+	 * 0         1         2         3         4         5         6
+	 * 0123456789012345678901234567890123456789012345678901234567890
+	 * [Sig] SSID                  BSSID              Ch  Crypt/Auth
+	 * -------------------------------------------------------------
+	 * [ 15] abcdefghijklmnopqrst> 00:00:00:00:00:00  11  Open
+	 *                                             ... or WPA   PSK etc.
+	 */
+
+	/* Quoting the dashes and spaces verbatim uses less code space
+	   than generating them programmatically. */
+	printf ( "[Sig] SSID                  BSSID              Ch  Crypt/Auth\n"
+		 "-------------------------------------------------------------\n" );
+
+	list_for_each_entry ( wlan, networks, list ) {
+
+		/* Format SSID into 22-character string, space-padded,
+		   with '>' indicating truncation */
+
+		snprintf ( ssid_buf, sizeof ( ssid_buf ), "%s", wlan->essid );
+		for ( i = strlen ( ssid_buf ); i < sizeof ( ssid_buf ) - 1;
+		      i++ )
+			ssid_buf[i] = ' ';
+		if ( ssid_buf[sizeof ( ssid_buf ) - 2] != ' ' )
+			ssid_buf[sizeof ( ssid_buf ) - 2] = '>';
+		ssid_buf[sizeof ( ssid_buf ) - 1] = 0;
+
+		/* Sanity check */
+		if ( wlan->crypto >= NR_CRYPTO_TYPES ||
+		     wlan->handshaking >= NR_AUTH_TYPES )
+			continue;
+
+		printf ( "[%3d] %s %s  %2d  %s  %s\n",
+			 wlan->signal < 0 ? 100 + wlan->signal : wlan->signal,
+			 ssid_buf, eth_ntoa ( wlan->bssid ), wlan->channel,
+			 crypto_types[wlan->crypto],
+			 auth_types[wlan->handshaking] );
+	}
+	printf ( "\n" );
+
+ err_free_networks:
+	net80211_free_wlanlist ( networks );
+
+ err_close_netdev:
+	if ( ! was_opened ) {
+		dev->state &= ~NET80211_NO_ASSOC;
+		netdev_close ( dev->netdev );
+	} else {
+		net80211_change_channel ( dev, was_channel );
+	}
+
+	if ( ! rc )
+		return 0;
+
+ err:
+	printf ( "Scanning for networks on %s: %s\n",
+		 dev->netdev->name, strerror ( rc ) );
+	return rc;
+}
diff --git a/roms/ipxe/src/usr/lotest.c b/roms/ipxe/src/usr/lotest.c
new file mode 100644
index 00000000..ad7a2fad
--- /dev/null
+++ b/roms/ipxe/src/usr/lotest.c
@@ -0,0 +1,275 @@
+/*
+ * Copyright (C) 2010 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <byteswap.h>
+#include <ipxe/iobuf.h>
+#include <ipxe/netdevice.h>
+#include <ipxe/if_ether.h>
+#include <ipxe/keys.h>
+#include <ipxe/console.h>
+#include <usr/ifmgmt.h>
+#include <usr/lotest.h>
+
+/** @file
+ *
+ * Loopback testing
+ *
+ */
+
+/** Current loopback test receiver */
+static struct net_device *lotest_receiver;
+
+/** Loopback testing received packets */
+static LIST_HEAD ( lotest_queue );
+
+/**
+ * Process received packet
+ *
+ * @v iobuf		I/O buffer
+ * @v netdev		Network device
+ * @v ll_dest		Link-layer destination address
+ * @v ll_source		Link-layer source address
+ * @v flags		Packet flags
+ * @ret rc		Return status code
+ */
+static int lotest_rx ( struct io_buffer *iobuf,
+		       struct net_device *netdev,
+		       const void *ll_dest __unused,
+		       const void *ll_source __unused,
+		       unsigned int flags __unused ) {
+
+	/* Add to received packet queue if currently performing a test */
+	if ( netdev == lotest_receiver ) {
+		list_add_tail ( &iobuf->list, &lotest_queue );
+	} else {
+		free_iob ( iobuf );
+	}
+
+	return 0;
+}
+
+/**
+ * Dequeue received packet
+ *
+ * @ret iobuf		I/O buffer, or NULL
+ */
+static struct io_buffer * lotest_dequeue ( void ) {
+	struct io_buffer *iobuf;
+
+	/* Remove first packet (if any) from received packet queue */
+	iobuf = list_first_entry ( &lotest_queue, struct io_buffer, list );
+	if ( ! iobuf )
+		return NULL;
+	list_del ( &iobuf->list );
+
+	return iobuf;
+}
+
+/**
+ * Transcribe network-layer address
+ *
+ * @v net_addr		Network-layer address
+ * @ret string		Human-readable transcription of address
+ */
+static const char * lotest_ntoa ( const void *net_addr __unused ) {
+	return "<INVALID>";
+}
+
+/**
+ * Loopback test network-layer protocol
+ *
+ * Using a dedicated network-layer protocol avoids problems caused by
+ * cards supporting features such as IPv4 checksum offload trying to
+ * interpret the (randomly generated) network-layer content.
+ */
+static struct net_protocol lotest_protocol __net_protocol = {
+	.name = "LOTEST",
+	.rx = lotest_rx,
+	.ntoa = lotest_ntoa,
+	.net_proto = htons ( 0x6950 ), /* Not a genuine protocol number */
+	.net_addr_len = 0,
+};
+
+/**
+ * Discard all received loopback test packets
+ *
+ */
+static void lotest_flush ( void ) {
+	struct io_buffer *iobuf;
+
+	while ( ( iobuf = lotest_dequeue() ) != NULL )
+		free_iob ( iobuf );
+}
+
+/**
+ * Wait for packet to be received
+ *
+ * @v data		Expected data
+ * @v len		Expected data length
+ * @ret rc		Return status code
+ */
+static int loopback_wait ( void *data, size_t len ) {
+	struct io_buffer *iobuf;
+
+	/* Poll until packet arrives */
+	while ( 1 ) {
+
+		/* Check for cancellation */
+		if ( iskey() && ( getchar() == CTRL_C ) )
+			return -ECANCELED;
+
+		/* Poll network devices */
+		net_poll();
+
+		/* Dequeue packet, if available */
+		iobuf = lotest_dequeue();
+		if ( ! iobuf )
+			continue;
+
+		/* Check packet length */
+		if ( iob_len ( iobuf ) != len ) {
+			printf ( "\nLength mismatch: sent %zd, received %zd",
+				 len, iob_len ( iobuf ) );
+			DBG ( "\nSent:\n" );
+			DBG_HDA ( 0, data, len );
+			DBG ( "Received:\n" );
+			DBG_HDA ( 0, iobuf->data, iob_len ( iobuf ) );
+			free_iob ( iob_disown ( iobuf ) );
+			return -EINVAL;
+		}
+
+		/* Check packet content */
+		if ( memcmp ( iobuf->data, data, len ) != 0 ) {
+			printf ( "\nContent mismatch" );
+			DBG ( "\nSent:\n" );
+			DBG_HDA ( 0, data, len );
+			DBG ( "Received:\n" );
+			DBG_HDA ( 0, iobuf->data, iob_len ( iobuf ) );
+			free_iob ( iob_disown ( iobuf ) );
+			return -EINVAL;
+		}
+
+		/* Discard packet and return */
+		free_iob ( iob_disown ( iobuf ) );
+		return 0;
+	}
+}
+
+/**
+ * Perform loopback test between two network devices
+ *
+ * @v sender		Sending network device
+ * @v receiver		Received network device
+ * @v mtu		Packet size (excluding link-layer headers)
+ * @ret rc		Return status code
+ */
+int loopback_test ( struct net_device *sender, struct net_device *receiver,
+		    size_t mtu ) {
+	uint8_t *buf;
+	uint32_t *seq;
+	struct io_buffer *iobuf;
+	unsigned int i;
+	unsigned int successes;
+	int rc;
+
+	/* Open network devices */
+	if ( ( rc = ifopen ( sender ) ) != 0 )
+		return rc;
+	if ( ( rc = ifopen ( receiver ) ) != 0 )
+		return rc;
+
+	/* Wait for link-up */
+	if ( ( rc = iflinkwait ( sender, 0 ) ) != 0 )
+		return rc;
+	if ( ( rc = iflinkwait ( receiver, 0 ) ) != 0 )
+		return rc;
+
+	/* Allocate data buffer */
+	if ( mtu < sizeof ( *seq ) )
+		mtu = sizeof ( *seq );
+	buf = malloc ( mtu );
+	if ( ! buf )
+		return -ENOMEM;
+	seq = ( ( void * ) buf );
+
+	/* Print initial statistics */
+	printf ( "Performing loopback test from %s to %s with %zd byte MTU\n",
+		 sender->name, receiver->name, mtu );
+	ifstat ( sender );
+	ifstat ( receiver );
+
+	/* Start loopback test */
+	lotest_flush();
+	lotest_receiver = receiver;
+
+	/* Perform loopback test */
+	for ( successes = 0 ; ; successes++ ) {
+
+		/* Print running total */
+		printf ( "\r%d", successes );
+
+		/* Generate random packet */
+		*seq = htonl ( successes );
+		for ( i = sizeof ( *seq ) ; i < mtu ; i++ )
+			buf[i] = random();
+		iobuf = alloc_iob ( MAX_LL_HEADER_LEN + mtu );
+		if ( ! iobuf ) {
+			printf ( "\nFailed to allocate I/O buffer" );
+			rc = -ENOMEM;
+			break;
+		}
+		iob_reserve ( iobuf, MAX_LL_HEADER_LEN );
+		memcpy ( iob_put ( iobuf, mtu ), buf, mtu );
+
+		/* Transmit packet */
+		if ( ( rc = net_tx ( iob_disown ( iobuf ), sender,
+				     &lotest_protocol, receiver->ll_addr,
+				     sender->ll_addr ) ) != 0 ) {
+			printf ( "\nFailed to transmit packet: %s",
+				 strerror ( rc ) );
+			break;
+		}
+
+		/* Wait for received packet */
+		if ( ( rc = loopback_wait ( buf, mtu ) ) != 0 )
+			break;
+	}
+
+	printf ( "\n");
+
+	/* Stop loopback testing */
+	lotest_receiver = NULL;
+	lotest_flush();
+
+	/* Dump final statistics */
+	ifstat ( sender );
+	ifstat ( receiver );
+
+	/* Free buffer */
+	free ( buf );
+
+	return 0;
+}
diff --git a/roms/ipxe/src/usr/neighmgmt.c b/roms/ipxe/src/usr/neighmgmt.c
new file mode 100644
index 00000000..e4d21a20
--- /dev/null
+++ b/roms/ipxe/src/usr/neighmgmt.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2013 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <ipxe/neighbour.h>
+#include <usr/neighmgmt.h>
+
+/** @file
+ *
+ * Neighbour management
+ *
+ */
+
+/**
+ * Print neighbour table
+ *
+ */
+void nstat ( void ) {
+	struct neighbour *neighbour;
+	struct net_device *netdev;
+	struct ll_protocol *ll_protocol;
+	struct net_protocol *net_protocol;
+
+	list_for_each_entry ( neighbour, &neighbours, list ) {
+		netdev = neighbour->netdev;
+		ll_protocol = netdev->ll_protocol;
+		net_protocol = neighbour->net_protocol;
+		printf ( "%s %s %s is %s %s", netdev->name, net_protocol->name,
+			 net_protocol->ntoa ( neighbour->net_dest ),
+			 ll_protocol->name,
+			 ( neighbour_has_ll_dest ( neighbour ) ?
+			   ll_protocol->ntoa ( neighbour->ll_dest ) :
+			   "(incomplete)" ) );
+		if ( neighbour->discovery )
+			printf ( " (%s)", neighbour->discovery->name );
+		printf ( "\n" );
+	}
+}
diff --git a/roms/ipxe/src/usr/nslookup.c b/roms/ipxe/src/usr/nslookup.c
new file mode 100644
index 00000000..eb2b08b4
--- /dev/null
+++ b/roms/ipxe/src/usr/nslookup.c
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2012 Patrick Plenefisch <phplenefisch@wpi.edu>.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <ipxe/resolv.h>
+#include <ipxe/tcpip.h>
+#include <ipxe/monojob.h>
+#include <ipxe/settings.h>
+#include <usr/nslookup.h>
+
+/** @file
+ *
+ * Standalone name resolution
+ *
+ */
+
+/** A name resolution request */
+struct nslookup {
+	/** Reference count for this object */
+	struct refcnt refcnt;
+
+	/** Job control interface */
+	struct interface job;
+	/** Data transfer interface */
+	struct interface resolver;
+
+	/** Setting name */
+	char *setting_name;
+};
+
+/**
+ * Terminate name resolution
+ *
+ * @v nslookup		Name resolution request
+ * @v rc		Reason for termination
+ */
+static void nslookup_close ( struct nslookup *nslookup, int rc ) {
+
+	/* Shut down interfaces */
+	intf_shutdown ( &nslookup->resolver, rc );
+	intf_shutdown ( &nslookup->job, rc );
+}
+
+/**
+ * Handle resolved name
+ *
+ * @v nslookup		Name resolution request
+ * @v sa		Completed socket address
+ */
+static void nslookup_resolv_done ( struct nslookup *nslookup,
+				   struct sockaddr *sa ) {
+	struct sockaddr_in *sin;
+	struct sockaddr_in6 *sin6;
+	const struct setting_type *default_type;
+	struct settings *settings;
+	struct setting setting;
+	void *data;
+	size_t len;
+	int rc;
+
+	/* Extract address */
+	switch ( sa->sa_family ) {
+	case AF_INET:
+		sin = ( ( struct sockaddr_in * ) sa );
+		data = &sin->sin_addr;
+		len = sizeof ( sin->sin_addr );
+		default_type = &setting_type_ipv4;
+		break;
+	case AF_INET6:
+		sin6 = ( ( struct sockaddr_in6 * ) sa );
+		data = &sin6->sin6_addr;
+		len = sizeof ( sin6->sin6_addr );
+		default_type = &setting_type_ipv6;
+		break;
+	default:
+		rc = -ENOTSUP;
+		goto err;
+	}
+
+	/* Parse specified setting name */
+	if ( ( rc = parse_setting_name ( nslookup->setting_name,
+					 autovivify_child_settings, &settings,
+					 &setting ) ) != 0 )
+		goto err;
+
+	/* Apply default type if necessary */
+	if ( ! setting.type )
+		setting.type = default_type;
+
+	/* Store in specified setting */
+	if ( ( rc = store_setting ( settings, &setting, data, len ) ) != 0 )
+		goto err;
+
+ err:
+	/* Terminate name resolution */
+	nslookup_close ( nslookup, rc );
+}
+
+/** Name resolution resolver interface operations */
+static struct interface_operation nslookup_resolver_operations[] = {
+	INTF_OP ( resolv_done, struct nslookup *, nslookup_resolv_done ),
+	INTF_OP ( intf_close, struct nslookup *, nslookup_close ),
+};
+
+/** Name resolution resolver interface descriptor */
+static struct interface_descriptor nslookup_resolver_desc =
+	INTF_DESC_PASSTHRU ( struct nslookup, resolver,
+			     nslookup_resolver_operations, job );
+
+/** Name resolution job control interface operations */
+static struct interface_operation nslookup_job_operations[] = {
+	INTF_OP ( intf_close, struct nslookup *, nslookup_close ),
+};
+
+/** Name resolution job control interface descriptor */
+static struct interface_descriptor nslookup_job_desc =
+	INTF_DESC_PASSTHRU ( struct nslookup, job,
+			     nslookup_job_operations, resolver );
+
+/**
+ * Initiate standalone name resolution
+ *
+ * @v job		Parent interface
+ * @v name		Name to resolve
+ * @v setting_name	Setting name
+ * @ret rc		Return status code
+ */
+static int resolv_setting ( struct interface *job, const char *name,
+			    const char *setting_name ) {
+	struct nslookup *nslookup;
+	struct sockaddr sa;
+	char *setting_name_copy;
+	int rc;
+
+	/* Allocate and initialise structure */
+	nslookup = zalloc ( sizeof ( *nslookup ) + strlen ( setting_name )
+			    + 1 /* NUL */ );
+	if ( ! nslookup )
+		return -ENOMEM;
+	ref_init ( &nslookup->refcnt, NULL );
+	intf_init ( &nslookup->job, &nslookup_job_desc, &nslookup->refcnt );
+	intf_init ( &nslookup->resolver, &nslookup_resolver_desc,
+		    &nslookup->refcnt );
+	setting_name_copy = ( ( void * ) ( nslookup + 1 ) );
+	strcpy ( setting_name_copy, setting_name );
+	nslookup->setting_name = setting_name_copy;
+
+	/* Start name resolution */
+	memset ( &sa, 0, sizeof ( sa ) );
+	if ( ( rc = resolv ( &nslookup->resolver, name, &sa ) ) != 0 )
+		goto err_resolv;
+
+	/* Attach parent interface, mortalise self, and return */
+	intf_plug_plug ( &nslookup->job, job );
+	ref_put ( &nslookup->refcnt );
+	return 0;
+
+ err_resolv:
+	ref_put ( &nslookup->refcnt );
+	return rc;
+}
+
+/**
+ * Perform (blocking) standalone name resolution
+ *
+ * @v name		Name to resolve
+ * @v setting_name	Setting name
+ * @ret rc		Return status code
+ */
+int nslookup ( const char *name, const char *setting_name ) {
+	int rc;
+
+	/* Perform name resolution */
+	if ( ( rc = resolv_setting ( &monojob, name, setting_name ) ) == 0 )
+		rc = monojob_wait ( NULL, 0 );
+	if ( rc != 0 ) {
+		printf ( "Could not resolve %s: %s\n", name, strerror ( rc ) );
+		return rc;
+	}
+
+	return 0;
+}
diff --git a/roms/ipxe/src/usr/pingmgmt.c b/roms/ipxe/src/usr/pingmgmt.c
new file mode 100644
index 00000000..16b3ec99
--- /dev/null
+++ b/roms/ipxe/src/usr/pingmgmt.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2013 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <ipxe/pinger.h>
+#include <ipxe/monojob.h>
+#include <ipxe/timer.h>
+#include <usr/pingmgmt.h>
+
+/** @file
+ *
+ * ICMP ping management
+ *
+ */
+
+/**
+ * Display ping result
+ *
+ * @v src		Source socket address, or NULL
+ * @v sequence		Sequence number
+ * @v len		Payload length
+ * @v rc		Status code
+ */
+static void ping_callback ( struct sockaddr *peer, unsigned int sequence,
+			    size_t len, int rc ) {
+
+	/* Display ping response */
+	printf ( "%zd bytes from %s: seq=%d",
+		 len, ( peer ? sock_ntoa ( peer ) : "<none>" ), sequence );
+	if ( rc != 0 )
+		printf ( ": %s", strerror ( rc ) );
+	printf ( "\n" );
+}
+
+/**
+ * Ping a host
+ *
+ * @v hostname		Hostname
+ * @v timeout		Timeout between pings, in ticks
+ * @v len		Payload length
+ * @v count		Number of packets to send (or zero for no limit)
+ * @v quiet		Inhibit output
+ * @ret rc		Return status code
+ */
+int ping ( const char *hostname, unsigned long timeout, size_t len,
+	   unsigned int count, int quiet ) {
+	int rc;
+
+	/* Create pinger */
+	if ( ( rc = create_pinger ( &monojob, hostname, timeout, len, count,
+				    ( quiet ? NULL : ping_callback ) ) ) != 0 ){
+		printf ( "Could not start ping: %s\n", strerror ( rc ) );
+		return rc;
+	}
+
+	/* Wait for ping to complete */
+	if ( ( rc = monojob_wait ( NULL, 0 ) ) != 0 ) {
+		if ( ! quiet )
+			printf ( "Finished: %s\n", strerror ( rc ) );
+		return rc;
+	}
+
+	return 0;
+}
diff --git a/roms/ipxe/src/usr/profstat.c b/roms/ipxe/src/usr/profstat.c
new file mode 100644
index 00000000..99142747
--- /dev/null
+++ b/roms/ipxe/src/usr/profstat.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2014 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <ipxe/profile.h>
+#include <usr/profstat.h>
+
+/** @file
+ *
+ * Profiling
+ *
+ */
+
+/**
+ * Print profiling statistics
+ *
+ */
+void profstat ( void ) {
+	struct profiler *profiler;
+
+	for_each_table_entry ( profiler, PROFILERS ) {
+		printf ( "%s: %ld +/- %ld ticks (%d samples)\n",
+			 profiler->name, profile_mean ( profiler ),
+			 profile_stddev ( profiler ), profiler->count );
+	}
+}
diff --git a/roms/ipxe/src/usr/prompt.c b/roms/ipxe/src/usr/prompt.c
new file mode 100644
index 00000000..957b4ab3
--- /dev/null
+++ b/roms/ipxe/src/usr/prompt.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2011 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** @file
+ *
+ * Prompt for keypress
+ *
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <ipxe/console.h>
+#include <usr/prompt.h>
+
+/**
+ * Prompt for keypress
+ *
+ * @v text		Prompt string
+ * @v timeout		Timeout period, in ticks (0=indefinite)
+ * @v key		Key to wait for (0=any key)
+ * @ret rc		Return status code
+ *
+ * Returns success if the specified key was pressed within the
+ * specified timeout period.
+ */
+int prompt ( const char *text, unsigned long timeout, int key ) {
+	int key_pressed;
+
+	/* Display prompt */
+	printf ( "%s", text );
+
+	/* Wait for key */
+	key_pressed = getkey ( timeout );
+
+	/* Clear the prompt line */
+	while ( *(text++) )
+		printf ( "\b \b" );
+
+	/* Check for timeout */
+	if ( key_pressed < 0 )
+		return -ETIMEDOUT;
+
+	/* Check for correct key pressed */
+	if ( key && ( key_pressed != key ) )
+		return -ECANCELED;
+
+	return 0;
+}
diff --git a/roms/ipxe/src/usr/pxemenu.c b/roms/ipxe/src/usr/pxemenu.c
new file mode 100644
index 00000000..b69905df
--- /dev/null
+++ b/roms/ipxe/src/usr/pxemenu.c
@@ -0,0 +1,380 @@
+/*
+ * Copyright (C) 2009 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <byteswap.h>
+#include <curses.h>
+#include <ipxe/console.h>
+#include <ipxe/dhcp.h>
+#include <ipxe/keys.h>
+#include <ipxe/timer.h>
+#include <ipxe/uri.h>
+#include <ipxe/ansicol.h>
+#include <usr/dhcpmgmt.h>
+#include <usr/autoboot.h>
+
+/** @file
+ *
+ * PXE Boot Menus
+ *
+ */
+
+/** A PXE boot menu item */
+struct pxe_menu_item {
+	/** Boot Server type */
+	unsigned int type;
+	/** Description */
+	char *desc;
+};
+
+/**
+ * A PXE boot menu
+ *
+ * This structure encapsulates the menu information provided via DHCP
+ * options.
+ */
+struct pxe_menu {
+	/** Prompt string (optional) */
+	const char *prompt;
+	/** Timeout (in seconds)
+	 *
+	 * Negative indicates no timeout (i.e. wait indefinitely)
+	 */
+	int timeout;
+	/** Number of menu items */
+	unsigned int num_items;
+	/** Selected menu item */
+	unsigned int selection;
+	/** Menu items */
+	struct pxe_menu_item items[0];
+};
+
+/**
+ * Parse and allocate PXE boot menu
+ *
+ * @v menu		PXE boot menu to fill in
+ * @ret rc		Return status code
+ *
+ * It is the callers responsibility to eventually free the allocated
+ * boot menu.
+ */
+static int pxe_menu_parse ( struct pxe_menu **menu ) {
+	struct setting pxe_boot_menu_prompt_setting =
+		{ .tag = DHCP_PXE_BOOT_MENU_PROMPT };
+	struct setting pxe_boot_menu_setting =
+		{ .tag = DHCP_PXE_BOOT_MENU };
+	uint8_t raw_menu[256];
+	int raw_prompt_len;
+	int raw_menu_len;
+	struct dhcp_pxe_boot_menu *raw_menu_item;
+	struct dhcp_pxe_boot_menu_prompt *raw_menu_prompt;
+	void *raw_menu_end;
+	unsigned int num_menu_items;
+	unsigned int i;
+	int rc;
+
+	/* Fetch raw menu */
+	memset ( raw_menu, 0, sizeof ( raw_menu ) );
+	if ( ( raw_menu_len = fetch_raw_setting ( NULL, &pxe_boot_menu_setting,
+						  raw_menu,
+						  sizeof ( raw_menu ) ) ) < 0 ){
+		rc = raw_menu_len;
+		DBG ( "Could not retrieve raw PXE boot menu: %s\n",
+		      strerror ( rc ) );
+		return rc;
+	}
+	if ( raw_menu_len >= ( int ) sizeof ( raw_menu ) ) {
+		DBG ( "Raw PXE boot menu too large for buffer\n" );
+		return -ENOSPC;
+	}
+	raw_menu_end = ( raw_menu + raw_menu_len );
+
+	/* Fetch raw prompt length */
+	raw_prompt_len =
+		fetch_raw_setting ( NULL, &pxe_boot_menu_prompt_setting,
+				    NULL, 0 );
+	if ( raw_prompt_len < 0 )
+		raw_prompt_len = 0;
+
+	/* Count menu items */
+	num_menu_items = 0;
+	raw_menu_item = ( ( void * ) raw_menu );
+	while ( 1 ) {
+		if ( ( ( ( void * ) raw_menu_item ) +
+		       sizeof ( *raw_menu_item ) ) > raw_menu_end )
+			break;
+		if ( ( ( ( void * ) raw_menu_item ) +
+		       sizeof ( *raw_menu_item ) +
+		       raw_menu_item->desc_len ) > raw_menu_end )
+			break;
+		num_menu_items++;
+		raw_menu_item = ( ( ( void * ) raw_menu_item ) +
+				  sizeof ( *raw_menu_item ) +
+				  raw_menu_item->desc_len );
+	}
+
+	/* Allocate space for parsed menu */
+	*menu = zalloc ( sizeof ( **menu ) +
+			 ( num_menu_items * sizeof ( (*menu)->items[0] ) ) +
+			 raw_menu_len + 1 /* NUL */ +
+			 raw_prompt_len + 1 /* NUL */ );
+	if ( ! *menu ) {
+		DBG ( "Could not allocate PXE boot menu\n" );
+		return -ENOMEM;
+	}
+
+	/* Fill in parsed menu */
+	(*menu)->num_items = num_menu_items;
+	raw_menu_item = ( ( ( void * ) (*menu) ) + sizeof ( **menu ) +
+			  ( num_menu_items * sizeof ( (*menu)->items[0] ) ) );
+	memcpy ( raw_menu_item, raw_menu, raw_menu_len );
+	for ( i = 0 ; i < num_menu_items ; i++ ) {
+		(*menu)->items[i].type = le16_to_cpu ( raw_menu_item->type );
+		(*menu)->items[i].desc = raw_menu_item->desc;
+		/* Set type to 0; this ensures that the description
+		 * for the previous menu item is NUL-terminated.
+		 * (Final item is NUL-terminated anyway.)
+		 */
+		raw_menu_item->type = 0;
+		raw_menu_item = ( ( ( void * ) raw_menu_item ) +
+				  sizeof ( *raw_menu_item ) +
+				  raw_menu_item->desc_len );
+	}
+	if ( raw_prompt_len ) {
+		raw_menu_prompt = ( ( ( void * ) raw_menu_item ) +
+				    1 /* NUL */ );
+		fetch_raw_setting ( NULL, &pxe_boot_menu_prompt_setting,
+				    raw_menu_prompt, raw_prompt_len );
+		(*menu)->timeout =
+			( ( raw_menu_prompt->timeout == 0xff ) ?
+			  -1 : raw_menu_prompt->timeout );
+		(*menu)->prompt = raw_menu_prompt->prompt;
+	} else {
+		(*menu)->timeout = -1;
+	}
+
+	return 0;
+}
+
+/**
+ * Draw PXE boot menu item
+ *
+ * @v menu		PXE boot menu
+ * @v index		Index of item to draw
+ * @v selected		Item is selected
+ */
+static void pxe_menu_draw_item ( struct pxe_menu *menu,
+				 unsigned int index, int selected ) {
+	char buf[COLS+1];
+	size_t len;
+	unsigned int row;
+
+	/* Prepare space-padded row content */
+	len = snprintf ( buf, sizeof ( buf ), " %c. %s",
+			 ( 'A' + index ), menu->items[index].desc );
+	while ( len < ( sizeof ( buf ) - 1 ) )
+		buf[len++] = ' ';
+	buf[ sizeof ( buf ) - 1 ] = '\0';
+
+	/* Draw row */
+	row = ( LINES - menu->num_items + index );
+	color_set ( ( selected ? CPAIR_PXE : CPAIR_DEFAULT ), NULL );
+	mvprintw ( row, 0, "%s", buf );
+	move ( row, 1 );
+}
+
+/**
+ * Make selection from PXE boot menu
+ *
+ * @v menu		PXE boot menu
+ * @ret rc		Return status code
+ */
+static int pxe_menu_select ( struct pxe_menu *menu ) {
+	int key;
+	unsigned int key_selection;
+	unsigned int i;
+	int rc = 0;
+
+	/* Initialise UI */
+	initscr();
+	start_color();
+	color_set ( CPAIR_DEFAULT, NULL );
+
+	/* Draw initial menu */
+	for ( i = 0 ; i < menu->num_items ; i++ )
+		printf ( "\n" );
+	for ( i = 0 ; i < menu->num_items ; i++ )
+		pxe_menu_draw_item ( menu, ( menu->num_items - i - 1 ), 0 );
+
+	while ( 1 ) {
+
+		/* Highlight currently selected item */
+		pxe_menu_draw_item ( menu, menu->selection, 1 );
+
+		/* Wait for keyboard input */
+		key = getkey ( 0 );
+
+		/* Unhighlight currently selected item */
+		pxe_menu_draw_item ( menu, menu->selection, 0 );
+
+		/* Act upon key */
+		if ( ( key == CR ) || ( key == LF ) ) {
+			pxe_menu_draw_item ( menu, menu->selection, 1 );
+			break;
+		} else if ( ( key == CTRL_C ) || ( key == ESC ) ) {
+			rc = -ECANCELED;
+			break;
+		} else if ( key == KEY_UP ) {
+			if ( menu->selection > 0 )
+				menu->selection--;
+		} else if ( key == KEY_DOWN ) {
+			if ( menu->selection < ( menu->num_items - 1 ) )
+				menu->selection++;
+		} else if ( ( key < KEY_MIN ) &&
+			    ( ( key_selection = ( toupper ( key ) - 'A' ) )
+			      < menu->num_items ) ) {
+			menu->selection = key_selection;
+			pxe_menu_draw_item ( menu, menu->selection, 1 );
+			break;
+		}
+	}
+
+	/* Shut down UI */
+	endwin();
+
+	return rc;
+}
+
+/**
+ * Prompt for (and make selection from) PXE boot menu
+ *
+ * @v menu		PXE boot menu
+ * @ret rc		Return status code
+ */
+static int pxe_menu_prompt_and_select ( struct pxe_menu *menu ) {
+	unsigned long start = currticks();
+	unsigned long now;
+	unsigned long elapsed;
+	size_t len = 0;
+	int key;
+	int rc = 0;
+
+	/* Display menu immediately, if specified to do so */
+	if ( menu->timeout < 0 ) {
+		if ( menu->prompt )
+			printf ( "%s\n", menu->prompt );
+		return pxe_menu_select ( menu );
+	}
+
+	/* Display prompt, if specified */
+	if ( menu->prompt )
+		printf ( "%s", menu->prompt );
+
+	/* Wait for timeout, if specified */
+	while ( menu->timeout > 0 ) {
+		if ( ! len )
+			len = printf ( " (%d)", menu->timeout );
+		if ( iskey() ) {
+			key = getkey ( 0 );
+			if ( key == KEY_F8 ) {
+				/* Display menu */
+				printf ( "\n" );
+				return pxe_menu_select ( menu );
+			} else if ( ( key == CTRL_C ) || ( key == ESC ) ) {
+				/* Abort */
+				rc = -ECANCELED;
+				break;
+			} else {
+				/* Stop waiting */
+				break;
+			}
+		}
+		now = currticks();
+		elapsed = ( now - start );
+		if ( elapsed >= TICKS_PER_SEC ) {
+			menu->timeout -= 1;
+			do {
+				printf ( "\b \b" );
+			} while ( --len );
+			start = now;
+		}
+	}
+
+	/* Return with default option selected */
+	printf ( "\n" );
+	return rc;
+}
+
+/**
+ * Boot using PXE boot menu
+ *
+ * @ret rc		Return status code
+ *
+ * Note that a success return status indicates that a PXE boot menu
+ * item has been selected, and that the DHCP session should perform a
+ * boot server request/ack.
+ */
+int pxe_menu_boot ( struct net_device *netdev ) {
+	struct pxe_menu *menu;
+	unsigned int pxe_type;
+	struct settings *pxebs_settings;
+	struct uri *uri;
+	int rc;
+
+	/* Parse and allocate boot menu */
+	if ( ( rc = pxe_menu_parse ( &menu ) ) != 0 )
+		return rc;
+
+	/* Make selection from boot menu */
+	if ( ( rc = pxe_menu_prompt_and_select ( menu ) ) != 0 ) {
+		free ( menu );
+		return rc;
+	}
+	pxe_type = menu->items[menu->selection].type;
+
+	/* Free boot menu */
+	free ( menu );
+
+	/* Return immediately if local boot selected */
+	if ( ! pxe_type )
+		return 0;
+
+	/* Attempt PXE Boot Server Discovery */
+	if ( ( rc = pxebs ( netdev, pxe_type ) ) != 0 )
+		return rc;
+
+	/* Fetch next server and filename */
+	pxebs_settings = find_settings ( PXEBS_SETTINGS_NAME );
+	assert ( pxebs_settings );
+	uri = fetch_next_server_and_filename ( pxebs_settings );
+	if ( ! uri )
+		return -ENOMEM;
+
+	/* Attempt boot */
+	rc = uriboot ( uri, NULL, 0, URIBOOT_NO_SAN );
+	uri_put ( uri );
+	return rc;
+}
diff --git a/roms/ipxe/src/usr/route.c b/roms/ipxe/src/usr/route.c
new file mode 100644
index 00000000..ba4cc322
--- /dev/null
+++ b/roms/ipxe/src/usr/route.c
@@ -0,0 +1,44 @@
+/*
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <ipxe/netdevice.h>
+#include <usr/route.h>
+
+/** @file
+ *
+ * Routing management
+ *
+ */
+
+/**
+ * Print routing table
+ *
+ */
+void route ( void ) {
+	struct net_device *netdev;
+	struct routing_family *family;
+
+	for_each_netdev ( netdev ) {
+		for_each_table_entry ( family, ROUTING_FAMILIES ) {
+			family->print ( netdev );
+		}
+	}
+}
diff --git a/roms/ipxe/src/usr/route_ipv4.c b/roms/ipxe/src/usr/route_ipv4.c
new file mode 100644
index 00000000..b4d1b7bf
--- /dev/null
+++ b/roms/ipxe/src/usr/route_ipv4.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2013 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <ipxe/netdevice.h>
+#include <ipxe/ip.h>
+#include <usr/route.h>
+
+/** @file
+ *
+ * IPv4 routing management
+ *
+ */
+
+/**
+ * Print IPv4 routing table
+ *
+ * @v netdev		Network device
+ */
+static void route_ipv4_print ( struct net_device *netdev ) {
+	struct ipv4_miniroute *miniroute;
+
+	list_for_each_entry ( miniroute, &ipv4_miniroutes, list ) {
+		if ( miniroute->netdev != netdev )
+			continue;
+		printf ( "%s: %s/", netdev->name,
+			 inet_ntoa ( miniroute->address ) );
+		printf ( "%s", inet_ntoa ( miniroute->netmask ) );
+		if ( miniroute->gateway.s_addr )
+			printf ( " gw %s", inet_ntoa ( miniroute->gateway ) );
+		if ( ! netdev_is_open ( miniroute->netdev ) )
+			printf ( " (inaccessible)" );
+		printf ( "\n" );
+	}
+}
+
+/** IPv4 routing family */
+struct routing_family ipv4_routing_family __routing_family ( ROUTING_IPV4 ) = {
+	.print = route_ipv4_print,
+};
diff --git a/roms/ipxe/src/usr/route_ipv6.c b/roms/ipxe/src/usr/route_ipv6.c
new file mode 100644
index 00000000..6045f85b
--- /dev/null
+++ b/roms/ipxe/src/usr/route_ipv6.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2013 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <ipxe/netdevice.h>
+#include <ipxe/ipv6.h>
+#include <usr/route.h>
+
+/** @file
+ *
+ * IPv6 routing management
+ *
+ */
+
+/**
+ * Print IPv6 routing table
+ *
+ * @v netdev		Network device
+ */
+static void route_ipv6_print ( struct net_device *netdev ) {
+	struct ipv6_miniroute *miniroute;
+
+	list_for_each_entry ( miniroute, &ipv6_miniroutes, list ) {
+		if ( miniroute->netdev != netdev )
+			continue;
+		printf ( "%s: %s/%d", netdev->name,
+			 inet6_ntoa ( &miniroute->address ),
+			 miniroute->prefix_len );
+		if ( miniroute->flags & IPV6_HAS_ROUTER )
+			printf ( " gw %s", inet6_ntoa ( &miniroute->router ) );
+		if ( ! ( miniroute->flags & IPV6_HAS_ADDRESS ) )
+			printf ( " (no address)" );
+		if ( ! netdev_is_open ( miniroute->netdev ) )
+			printf ( " (inaccessible)" );
+		printf ( "\n" );
+	}
+}
+
+/** IPv6 routing family */
+struct routing_family ipv6_routing_family __routing_family ( ROUTING_IPV6 ) = {
+	.print = route_ipv6_print,
+};
diff --git a/roms/ipxe/src/usr/sync.c b/roms/ipxe/src/usr/sync.c
new file mode 100644
index 00000000..f7a04c44
--- /dev/null
+++ b/roms/ipxe/src/usr/sync.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2012 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stddef.h>
+#include <ipxe/job.h>
+#include <ipxe/monojob.h>
+#include <ipxe/pending.h>
+#include <usr/sync.h>
+
+/** @file
+ *
+ * Wait for pending operations to complete
+ *
+ */
+
+/**
+ * Report progress
+ *
+ * @v intf		Interface
+ * @v progress		Progress report to fill in
+ * @ret ongoing_rc	Ongoing job status code (if known)
+ */
+static int sync_progress ( struct interface *intf,
+			   struct job_progress *progress __unused ) {
+
+	/* Terminate successfully if no pending operations remain */
+	if ( ! have_pending() )
+		intf_close ( intf, 0 );
+
+	return 0;
+}
+
+/** Synchroniser interface operations */
+static struct interface_operation sync_intf_op[] = {
+	INTF_OP ( job_progress, struct interface *, sync_progress ),
+};
+
+/** Synchroniser interface descriptor */
+static struct interface_descriptor sync_intf_desc =
+	INTF_DESC_PURE ( sync_intf_op );
+
+/** Synchroniser */
+static struct interface sync_intf = INTF_INIT ( sync_intf_desc );
+
+/**
+ * Wait for pending operations to complete
+ *
+ * @v timeout		Timeout period, in ticks (0=indefinite)
+ * @ret rc		Return status code
+ */
+int sync ( unsigned long timeout ) {
+
+	/* Attach synchroniser and wait for completion */
+	intf_plug_plug ( &monojob, &sync_intf );
+	return monojob_wait ( NULL, timeout );
+}