xref: /freebsd/usr.sbin/bsdconfig/share/device.subr (revision 77e93191b92eed7842f56154eed1d1d0519dd65c)

if [ ! "$_DEVICE_SUBR" ]; then _DEVICE_SUBR=1
#
# Copyright (c) 2012-2016 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#
############################################################ INCLUDES

BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." device.subr
f_include $BSDCFG_SHARE/dialog.subr
f_include $BSDCFG_SHARE/geom.subr
f_include $BSDCFG_SHARE/strings.subr
f_include $BSDCFG_SHARE/struct.subr

BSDCFG_LIBE="/usr/libexec/bsdconfig"
f_include_lang $BSDCFG_LIBE/include/messages.subr

############################################################ GLOBALS

NDEVICES=0 # Set by f_device_register(), used by f_device_*()

#
# A "device" from legacy sysinstall's point of view (mostly)
#
# NB: Disk devices have their `private' property set to GEOM ident
# NB: USB devices have their `private' property set to USB disk device name
#
f_struct_define DEVICE \
	capacity	\
	desc		\
	devname		\
	enabled		\
	flags		\
	get		\
	init		\
	name		\
	private		\
	shutdown	\
	type		\
	volume

# Network devices have their `private' property set to this
f_struct_define DEVICE_INFO \
	extras		\
	ipaddr		\
	ipv6addr	\
	netmask		\
	use_dhcp	\
	use_rtsol

#
# Device types for f_device_register(), f_device_find(), et al.
#
setvar DEVICE_TYPE_ANY		"any"		# Any
setvar DEVICE_TYPE_NONE		"NONE"		# Unknown
setvar DEVICE_TYPE_DISK		"DISK"		# GEOM `DISK'
setvar DEVICE_TYPE_FTP		"FTP"		# Dynamic network device
setvar DEVICE_TYPE_NETWORK	"NETWORK"	# See f_device_get_all_network
setvar DEVICE_TYPE_CDROM	"CDROM"		# GEOM `DISK'
setvar DEVICE_TYPE_USB		"USB"		# GEOM `PART'
setvar DEVICE_TYPE_DOS		"DOS"		# GEOM `DISK' `PART' or `LABEL'
setvar DEVICE_TYPE_UFS		"UFS"		# GEOM `DISK' `PART' or `LABEL'
setvar DEVICE_TYPE_NFS		"NFS"		# Dynamic network device
setvar DEVICE_TYPE_HTTP_PROXY	"HTTP_PROXY"	# Dynamic network device
setvar DEVICE_TYPE_HTTP		"HTTP"		# Dynamic network device

# Network devices have the following flags available
setvar IF_ETHERNET	1
setvar IF_WIRELESS	2
setvar IF_ACTIVE	4

#
# Default behavior is to call f_device_get_all() automatically when loaded.
#
: ${DEVICE_SELF_SCAN_ALL=1}

#
# Device Catalog variables
#
DEVICE_CATALOG_APPEND_ONLY= # Used by f_device_catalog_set()
NCATALOG_DEVICES=0          # Used by f_device_catalog_*() and MAIN

#
# A ``catalog'' device is for mapping GEOM devices to media devices (for
# example, determining if a $GEOM_CLASS_DISK geom is $DEVICE_TYPE_CDROM or
# $DEVICE_TYPE_DISK) and also getting default descriptions for devices that
# either lack a GEOM provided description or lack a presence in GEOM)
#
f_struct_define CATALOG_DEVICE \
	desc	\
	name	\
	type

############################################################ FUNCTIONS

# f_device_register $var_to_set $name $desc $devname $type $enabled
#                   $init_function $get_function $shutdown_function
#                   $private $capacity
#
# Register a device. A `structure' (see struct.subr) is created and if
# $var_to_set is non-NULL, upon success holds the name of the struct created.
# The remaining positional arguments correspond to the properties of the
# `DEVICE' structure-type to be assigned (defined above).
#
# If not already registered (based on $name and $type), a new device is created
# and $NDEVICES is incremented.
#
f_device_register()
{
	local __var_to_set="$1" __name="$2" __desc="$3" __devname="$4"
	local __type="$5" __enabled="$6" __init_func="$7" __get_func="$8"
	local __shutdown_func="$9" __private="${10}" __capacity="${11}"

	# Required parameter(s)
	[ "$__name" ] || return $FAILURE
	if [ "$__var_to_set" ]; then
		setvar "$__var_to_set" "" || return $FAILURE
	fi

	local __device
	if f_device_find -1 "$__name" "$__type" __device; then
		f_struct_free "$__device"
		f_struct_new DEVICE "$__device" || return $FAILURE
	else
		__device=device_$(( NDEVICES + 1 ))
		f_struct_new DEVICE "$__device" || return $FAILURE
		NDEVICES=$(( $NDEVICES + 1 ))
	fi
	$__device set name     "$__name"
	$__device set desc     "$__desc"
	$__device set devname  "$__devname"
	$__device set type     "$__type"
	$__device set enabled  "$__enabled"
	$__device set init     "$__init_func"
	$__device set get      "$__get_func"
	$__device set shutdown "$__shutdown_func"
	$__device set private  "$__private"
	$__device set capacity "$__capacity"

	[ "$__var_to_set" ] && setvar "$__var_to_set" "$__device"
	return $SUCCESS
}

# f_device_reset
#
# Reset the registered device chain.
#
f_device_reset()
{
	local n=1
	while [ $n -le $NDEVICES ]; do
		f_device_shutdown device_$n

		#
		# XXX This potentially leaks $dev->private if it's being
		# used to point to something dynamic, but you're not supposed
		# to call this routine at such times that some open instance
		# has its private member pointing somewhere anyway.
		#
		f_struct_free device_$n

		n=$(( $n + 1 ))
	done
	NDEVICES=0
}

# f_device_reset_network
#
# Reset the registered network device chain.
#
f_device_reset_network()
{
	local n=1 device type private i
	while [ $n -le $NDEVICES ]; do
		device=device_$n
		f_struct $device || continue
		$device get type type
		[ "$type" = "$DEVICE_TYPE_NETWORK" ] || continue

		#
		# Leave the device up (don't call shutdown routine)
		#

		# Network devices may have DEVICE_INFO private member
		$device get private private
		[ "$private" ] && f_struct_free "$private"

		# Free the network device
		f_struct_free $device

		# Fill the gap we just created
		i=$n
		while [ $i -lt $NDEVICES ]; do
			f_struct_copy device_$(( $i + 1 )) device_$i
		done
		f_struct_free device_$NDEVICES

		# Finally decrement the number of devices
		NDEVICES=$(( $NDEVICES - 1 ))

		n=$(( $n + 1 ))
	done
}

# f_device_get_all
#
# Get all device information for all devices.
#
f_device_get_all()
{
	local devname type desc capacity

	f_dprintf "f_device_get_all: Probing devices..."
	f_dialog_info "$msg_probing_devices_please_wait_this_can_take_a_while"

	# First go for the network interfaces
	f_device_get_all_network

	# Next, go for the GEOM devices we might want to use as media
	local geom geoms geom_name
	debug= f_geom_find "" $GEOM_CLASS_DEV geoms
	for geom in $geoms; do
		if ! f_device_probe_geom $geom; then
			debug= $geom get name geom_name
			f_dprintf "WARNING! Unable to classify %s as %s" \
			          "GEOM device $geom_name" "media source"
		fi
	done
}

# f_device_get_all_network
#
# Get all network device information for attached network devices.
#
f_device_get_all_network()
{
	local devname desc device flags
	for devname in $( ifconfig -l ); do
		# Eliminate network devices that don't make sense
		case "$devname" in
		lo*) continue ;;
		esac

		# Try and find its description
		f_device_desc "$devname" $DEVICE_TYPE_NETWORK desc

		f_dprintf "Found network device named %s" "$devname"
		debug= f_device_register device $devname "$desc" \
			"$devname" $DEVICE_TYPE_NETWORK 1 \
			f_media_init_network "" f_media_shutdown_network "" -1

		# Set flags based on media and status
		flags=0
		eval "$( ifconfig $devname 2> /dev/null | awk -v var=flags '
		function _or(var, mask) {
			printf "%s=$(( $%s | $%s ))\n", var, var, mask
		}
		BEGIN { S = "[[:space:]]+" }
		{
			if (!match($0, "^" S "(media|status):" S)) next
			value = substr($0, RLENGTH + 1)
			if ($1 == "media:") {
				if (value ~ /Ethernet/) _or(var, "IF_ETHERNET")
				if (value ~ /802\.11/) _or(var, "IF_WIRELESS")
			} else if ($1 == "status:") {
				if (value ~ /^active/) _or(var, "IF_ACTIVE")
			}
		}' )"
		$device set flags $flags
	done
}

# f_device_rescan
#
# Rescan all devices, after closing previous set - convenience function.
#
f_device_rescan()
{
	f_device_reset
	f_geom_rescan
	f_device_get_all
}

# f_device_rescan_network
#
# Rescan all network devices, after closing previous set - for convenience.
#
f_device_rescan_network()
{
	f_device_reset_network
	f_device_get_all_network
}

# f_device_probe_geom $geom
#
# Probe a single GEOM device and if it can be classified as a media source,
# register it using f_device_register() with known type-specific arguments.
#
f_device_probe_geom()
{
	local geom="$1"

	f_struct "$geom" || return $FAILURE

	# geom associated variables
	local geom_name geom_consumer provider_ref geom_provider=
	local provider_geom provider_config provider_class=
	local provider_config_type catalog_struct catalog_type
	local disk_ident

	# gnop(8)/geli(8) associated variables (p for `parent device')
	local p_devname p_geom p_consumer p_provider_ref p_provider
	local p_provider_config p_provider_geom p_provider_class

	# md(4) associated variables
	local config config_type config_file magic=

	# Temporarily disable debugging to keep debug output light
	local old_debug="$debug" debug=

	#
	# Get the GEOM name (for use below in device registration)
	#
	$geom get name devname || continue

	#
	# Attempt to get the consumer, provider, provider config, and
	# provider class for this geom (errors ignored).
	#
	# NB: Each GEOM in the `DEV' class should have one consumer.
	#     That consumer should have a reference to its provider.
	#
	$geom get consumer1 geom_consumer
	f_struct "$geom_consumer" get provider_ref provider_ref &&
		f_geom_find_by id "$provider_ref" provider geom_provider
	if f_struct "$geom_provider"; then
		$geom_provider get config provider_config
		f_geom_parent $geom_provider provider_geom &&
			f_geom_parent $provider_geom provider_class
	fi

	#
	# Get values for device registration (errors ignored)
	#
	f_struct "$provider_class"  get name      type
	f_struct "$geom_provider"   get mediasize capacity
	f_struct "$provider_config" get descr     desc

	#
	# For gnop(8), geli(8), or combination thereof, change device type to
	# that of the consumer
	#
	p_devname= p_geom= p_provider= p_provider_config=
	case "$devname" in
	*.nop.eli) p_devname="${devname%.nop.eli}" ;;
	*.eli.nop) p_devname="${devname%.eli.nop}" ;;
	*.eli)     p_devname="${devname%.eli}" ;;
	*.nop)     p_devname="${devname%.nop}" ;;
	esac
	[ "$p_devname" ] && f_geom_find "$p_devname" $GEOM_CLASS_DEV p_geom
	if [ "${p_geom:-$geom}" != "$geom" ]; then
		f_struct "$p_geom" get consumer1 p_consumer
		f_struct "$p_consumer" get provider_ref p_provider_ref &&
			f_geom_find_by id "$p_provider_ref" provider p_provider
		if f_struct "$p_provider"; then
			$p_provider get config p_provider_config
			f_geom_parent $p_provider p_provider_geom &&
				f_geom_parent $p_provider_geom p_provider_class
		fi
		f_struct "$p_provider_class" get name type
	fi

	# Look up geom device in device catalog for default description
	f_device_catalog_get \
		$DEVICE_TYPE_ANY "${p_devname:-$devname}" catalog_struct
	[ "$desc" ] || f_struct "catalog_device_$catalog_struct" get desc desc

	# Use device catalog entry for potential re-classification(s)
	f_struct "catalog_device_$catalog_struct" get type catalog_type

	# Restore debugging for this next part (device registration)
	debug="$old_debug"

	#
	# Register the device
	#
	local retval device
	case "$type" in
	$GEOM_CLASS_DISK)
		# First attempt to classify by device catalog (see MAIN)
		case "$catalog_type" in
		$DEVICE_TYPE_CDROM)
			f_dprintf "Found CDROM device for disk %s" "$devname"
			debug= f_device_register device "$devname" "$desc" \
				"/dev/$devname" $DEVICE_TYPE_CDROM 1 \
				f_media_init_cdrom f_media_get_cdrom \
				f_media_shutdown_cdrom "" "$capacity" &&
				return $SUCCESS
			;;
		esac

		# Fall back to register label device as a disk and taste it
		f_dprintf "Found disk device named %s" "$devname"
		debug= f_struct "$p_provider_config" get \
			ident disk_ident ||
			debug= f_struct "$provider_config" get \
				ident disk_ident
		debug= f_device_register device "$devname" "$desc" \
			"/dev/$devname" $DEVICE_TYPE_DISK 1 \
			"" "" "" "$disk_ident" "$capacity"
		retval=$?

		# Detect ``dangerously dedicated'' filesystems (errors ignored)
		f_device_probe_disk_fs device "$devname" "$capacity" &&
			retval=$SUCCESS

		return $retval
		;;
	$GEOM_CLASS_LABEL)
		: fall through to below section # reduces indentation level
		;;
	$GEOM_CLASS_MD)
		f_dprintf "Found disk device named %s" "$devname"
		debug= f_device_register device "$devname" "$desc" \
			"/dev/$devname" $DEVICE_TYPE_DISK 1 \
			"" "" "" "" "$capacity"
		retval=$?

		#
		# Attempt to get file(1) magic to potentially classify as
		# alternate media type. If unable to get magic, fall back to
		# md(4) characteristics (such as vnode filename).
		#
		[ -r "/dev/$devname" ] &&
			magic=$( file -bs "/dev/$devname" 2> /dev/null )
		if [ ! "$magic" ]; then
			# Fall back to md(4) characteristics
			if f_struct "$p_provider_config"; then
				config="$p_provider_config"
			else
				config="$provider_config"
			fi
			debug= f_struct "$config" get type config_type
			debug= f_struct "$config" get file config_file

			# Substitute magic for below based on type and file
			case "$config_type=$config_file" in
			vnode=*.iso) magic="ISO 9660" ;;
			esac
		fi
		f_device_probe_disk_fs device \
			"$devname" "$capacity" "$magic" &&
			retval=$SUCCESS # Errors ignored

		return $retval
		;;
	$GEOM_CLASS_PART)
		if f_struct "$p_provider_config"; then
			config="$p_provider_config"
		else
			config="$provider_config"
		fi
		debug= f_struct "$config" get type provider_config_type
		f_device_probe_geom_part device \
			"$provider_config_type" "$devname" "$capacity"
		retval=$?
		device_type=$DEVICE_TYPE_NONE
		[ $retval -eq $SUCCESS ] &&
			debug= f_struct "$device" get type device_type

		# Potentially re-classify as USB device
		if [ "$device_type" = "$DEVICE_TYPE_UFS" -a \
		     "$catalog_type" = "$DEVICE_TYPE_USB" ]
		then
			f_dprintf "Found USB device for partition %s" \
				  "$devname"
			debug= f_struct "$p_provider_geom" get \
				name disk_name ||
				debug= f_struct "$provider_geom" get \
					name disk_name
			debug= f_device_register device "$devname" "$desc" \
				"/dev/$devname" $DEVICE_TYPE_USB 1 \
				f_media_init_usb f_media_get_usb \
				f_media_shutdown_usb "$disk_name" "$capacity"
			retval=$?
		fi

		return $retval
		;;
	$GEOM_CLASS_RAID)
		# Use the provider geom name as the description
		if [ ! "$desc" ]; then
			f_struct "$p_provider_geom" get name desc ||
				f_struct "$provider_geom" get name desc
		fi

		f_dprintf "Found disk device named %s" "$devname"
		debug= f_device_register device \
			"$devname" "${desc:-GEOM RAID device}" \
			"/dev/$devname" $DEVICE_TYPE_DISK 1 \
			"" "" "" "" "$capacity"
		retval=$?

		# Detect ``dangerously dedicated'' filesystems
		f_device_probe_disk_fs device "$devname" "$capacity" &&
			retval=$SUCCESS # Errors ignored

		return $retval
		;;
	$GEOM_CLASS_ZFS_ZVOL)
		f_dprintf "Found disk device named %s" "$devname"
		debug= f_device_register device \
			"$devname" "${desc:-GEOM ZFS::ZVOL device}" \
			"/dev/$devname" $DEVICE_TYPE_DISK 1 \
			"" "" "" "" "$capacity"
		retval=$?

		# Detect ``dangerously dedicated'' filesystems
		f_device_probe_disk_fs device "$devname" "$capacity" &&
			retval=$SUCCESS # Errors ignored

		return $retval
		;;
	*)
		return $FAILURE # Unknown GEOM class
	esac

	#
	# Still here? Must be $GEOM_CLASS_LABEL
	#

	local label_geom label_devname label_devgeom= label_devconsumer
	local label_devprovider= label_devprovider_ref label_devprovider_config
	local label_gpart_type

	if f_struct "$p_provider"; then
		label_geom="$p_provider_geom"
	else
		label_geom="$provider_geom"
	fi

	case "$devname" in
	gpt/*|gptid/*)
		#
		# Attempt to get the partition type by getting the `config'
		# member of the provider for our device (which is named in the
		# parent geom of our current provider).
		#
		debug= f_struct "$label_geom" get name label_devname &&
			debug= f_geom_find "$label_devname" $GEOM_CLASS_DEV \
				label_devgeom
		debug= f_struct "$label_devgeom" get \
			consumer1 label_devconsumer
		debug= f_struct "$label_devconsumer" get \
			provider_ref label_devprovider_ref &&
			debug= f_geom_find_by id "$label_devprovider_ref" \
				provider label_devprovider
		debug= f_struct "$label_devprovider" get \
			config label_devprovider_config
		debug= f_struct "$label_devprovider_config" get \
			type label_gpart_type

		#
		# Register device label based on partition type
		#
		f_device_probe_geom_part device \
			"$label_gpart_type" "$devname" "$capacity"
		return $?
		;;
	iso9660/*)
		f_dprintf "Found CDROM device labeled %s" "$devname"
		debug= f_device_register device \
			"$devname" "ISO9660 file system" \
			"/dev/$devname" $DEVICE_TYPE_CDROM 1 \
			f_media_init_cdrom f_media_get_cdrom \
			f_media_shutdown_cdrom "" "$capacity"
		return $?
		;;
	label/*)
		# For generic labels, use provider geom name as real device
		debug= f_struct "$label_geom" get name label_devname

		# Look up label geom device in device catalog for default desc
		debug= f_device_catalog_get \
			$DEVICE_TYPE_ANY "$label_devname" catalog_struct
		[ "$desc" ] || debug= f_struct \
			"catalog_device_$catalog_struct" get desc desc

		# Use device catalog entry for potential re-classification(s)
		debug= f_struct "catalog_device_$catalog_struct" get \
			type catalog_type

		# First attempt to classify by device catalog (see MAIN)
		case "$catalog_type" in
		$DEVICE_TYPE_CDROM)
			f_dprintf "Found CDROM device for disk %s" "$devname"
			debug= f_device_register device "$devname" "$desc" \
				"/dev/$devname" $DEVICE_TYPE_CDROM 1 \
				f_media_init_cdrom f_media_get_cdrom \
				f_media_shutdown_cdrom "" "$capacity" &&
				return $SUCCESS
			;;
		esac

		# Fall back to register label device as a disk and taste it
		f_dprintf "Found disk device labeled %s" "$devname"
		debug= f_device_register device \
			"$devname" "GEOM LABEL device" \
			"/dev/$devname" $DEVICE_TYPE_DISK 1 \
			"" "" "" "" "$capacity"
		retval=$?

		# Detect ``dangerously dedicated'' filesystems (errors ignored)
		f_device_probe_disk_fs device "$devname" "$capacity" &&
			retval=$SUCCESS

		return $retval
		;;
	msdosfs/*)
		f_dprintf "Found DOS partition labeled %s" "$devname"
		debug= f_device_register device "$devname" "DOS file system" \
			"/dev/$devname" $DEVICE_TYPE_DOS 1 \
			f_media_init_dos f_media_get_dos \
			f_media_shutdown_dos "" "$capacity"
		return $?
		;;
	ufs/*|ufsid/*)
		f_dprintf "Found UFS partition labeled %s" "$devname"
		debug= f_device_register device "$devname" "UFS file system" \
			"/dev/$devname" $DEVICE_TYPE_UFS 1 \
			f_media_init_ufs f_media_get_ufs \
			f_media_shutdown_ufs "" "$capacity"
		return $?
		;;
	ext2fs/*|ntfs/*|reiserfs/*)
		return $FAILURE # No media device handlers for these labels
		;;
	esac

	# Unable to classify GEOM label
	return $FAILURE
}

# f_device_probe_geom_part $var_to_set $gpart_type $devname $capacity [$magic]
#
# Given a gpart(8) partition type and a device name, register the device if it
# is a known partition type that we can handle. If $var_to_set is non-NULL,
# upon success holds the DEVICE struct name of the registered device.
#
# Returns success if the device was successfully registered, failure otherwise.
#
f_device_probe_geom_part()
{
	local __var_to_set="$1" __gpart_type="$2" __devname="$3"
	local __capacity="${4:--1}" __magic="$5"

	#
	# Register device based on partition type
	# NB: !0 equates to `unused' bsdlabel
	#
	case "$__gpart_type" in
	fat16|fat32)
		f_dprintf "Found DOS partition named %s" "$__devname"
		debug= f_device_register "$__var_to_set" \
			"$__devname" "DOS file system" \
			"/dev/$__devname" $DEVICE_TYPE_DOS 1 \
			f_media_init_dos f_media_get_dos \
			f_media_shutdown_dos "" "$__capacity"
		return $?
		;;
	freebsd|!0) # Commonly used inappropriately, taste for FreeBSD
		[ -r "/dev/$__devname" -a ! "$__magic" ] &&
			__magic=$( file -bs "/dev/$__devname" 2> /dev/null )
		case "$__magic" in
		*"Unix Fast File system"*)
			f_dprintf "Found UFS partition named %s" "$__devname"
			debug= f_device_register "$__var_to_set" \
				"$__devname" "UFS file system" \
				"/dev/$__devname" $DEVICE_TYPE_UFS 1 \
				f_media_init_ufs f_media_get_ufs \
				f_media_shutdown_ufs "" "$__capacity"
			return $?
		esac
		return $FAILURE
		;;
	freebsd-ufs)
		f_dprintf "Found UFS partition named %s" "$__devname"
		debug= f_device_register "$__var_to_set" \
			"$__devname" "UFS file system" \
			"/dev/$__devname" $DEVICE_TYPE_UFS 1 \
			f_media_init_ufs f_media_get_ufs \
			f_media_shutdown_ufs "" "$__capacity"
		return $?
		;;
	apple-*|linux-*|ms-*|netbsd-*|ntfs|vmware-*)
		return $FAILURE # No device types for these
		;;
	bios-*|ebr|efi|mbr|freebsd-boot|freebsd-swap)
		return $FAILURE # Not a source for media
		;;
	freebsd-nandfs|freebsd-vinum|freebsd-zfs)
		return $FAILURE # Unsupported as media source
		;;
	esac

	return $FAILURE # Unknown partition type
}

# f_device_probe_disk_fs $var_to_set $devname [$capacity [$magic]]
#
# Given a device name, taste it and register the device if it is a so-called
# ``dangerously dedicated'' file system written without a partition table.
# Tasting is done using file(1) (specifically `file -bs') but if $magic is
# present and non-NULL it is used instead. If $var_to_set is non-NULL, upon
# success holds the DEVICE struct name of the registered device.
#
# Returns success if the device was successfully registered, failure otherwise.
#
f_device_probe_disk_fs()
{
	local __var_to_set="$1" __devname="$2" __capacity="${3:--1}"
	local __magic="$4"

	[ -r "/dev/${__devname#/dev/}" -a ! "$__magic" ] &&
		__magic=$( file -bs "/dev/$__devname" 2> /dev/null )

	case "$__magic" in
	*"ISO 9660"*)
		f_dprintf "Found CDROM device for disk %s" "$__devname"
		debug= f_device_register "$__var_to_set" \
			"$__devname" "ISO9660 file system" \
			"/dev/$__devname" $DEVICE_TYPE_CDROM 1 \
			f_media_init_cdrom f_media_get_cdrom \
			f_media_shutdown_cdrom "" "$__capacity"
		return $?
		;;
	*"Unix Fast File system"*)
		f_dprintf "Found UFS device for disk %s" "$__devname"
		debug= f_device_register "$__var_to_set" \
			"$__devname" "UFS file system" \
			"/dev/$__devname" $DEVICE_TYPE_UFS 1 \
			f_media_init_ufs f_media_get_ufs \
			f_media_shutdown_ufs "" "$__capacity"
		return $?
		;;
	*"FAT (12 bit)"*|*"FAT (16 bit)"*|*"FAT (32 bit)"*)
		f_dprintf "Found DOS device for disk %s" "$__devname"
		debug= f_device_register "$__var_to_set" \
			"$__devname" "DOS file system" \
			"/dev/$__devname" $DEVICE_TYPE_DOS 1 \
			f_media_init_dos f_media_get_dos \
			f_media_shutdown_dos "" "$__capacity"
		return $?
		;;
	esac

	return $FAILURE # Unknown file system type
}

# f_device_catalog_get $type $name [$var_to_set]
#
# Fetch the struct name of the catalog device matching device $name. If $type
# is either NULL, missing, or set to $DEVICE_TYPE_ANY then only $name is used.
# Returns success if a match was found, otherwise failure.
#
# If $var_to_set is missing or NULL, the struct name is printed to standard out
# for capturing in a sub-shell (which is less-recommended because of
# performance degredation; for example, when called in a loop).
#
f_device_catalog_get()
{
	local __type="$1" __name="$2" __var_to_set="$3"
	local __dname=

	# Return failure if no $name
	[ "$__name" ] || return $FAILURE

	# Disable debugging to keep debug output light
	local debug=

	#
	# Attempt to create an alternate-form of $__name that contains the
	# first contiguous string of numbers replaced with `%d' for comparison
	# against stored pattern names (see MAIN).
	#
	local __left="${__name%%[0-9]*}" __right="${__name#*[0-9]}"
	if [ "$__left" != "$__name" ]; then
		# Chop leading digits from right 'til we hit first non-digit
		while :; do
			case "$__right" in
			[0-9]*) __right="${__right#[0-9]}" ;;
			     *) break
			esac
		done
		__dname="${__left}%d$__right"
	fi

	[ "$__type" = "$DEVICE_TYPE_ANY" ] && __type=
	local __dev __dev_name __dev_type
	for __dev in $DEVICE_CATALOG; do
		catalog_device_$__dev get name __dev_name
		[ "$__dev_name" = "$__name" -o "$__dev_name" = "$__dname" ] ||
			continue
		catalog_device_$__dev get type __dev_type
		[ "${__type:-$__dev_type}" = "$__dev_type" ] || continue
		if [ "$__var_to_set" ]; then
			setvar "$__var_to_set" $__dev
		else
			echo $__dev
		fi
		return $?
	done

	[ "$__var_to_set" ] && setvar "$__var_to_set" ""
	return $FAILURE
}

# f_device_catalog_set $type $name $desc
#
# Store a description (desc) in-association with device $type and $name.
# Returns success unless $name is NULL or missing. Use f_device_catalog_get()
# routine with the same $name and optionally $type to retrieve catalog device
# structure (see CATALOG_DEVICE struct definition in GLOBALS section).
#
f_device_catalog_set()
{
	local type="$1" name="$2" desc="$3"
	local struct dev dev_type found=

	[ "$name" ] || return $FAILURE

	# Disable debugging to keep debug output light
	local debug=

	f_str2varname "$name" struct
	if [ ! "$DEVICE_CATALOG_APPEND_ONLY" ]; then
		for dev in $DEVICE_CATALOG; do
			[ "$dev" = "$struct" ] || continue
			found=1 break
		done
	fi
	if [ "$found" ]; then
		f_struct_free "catalog_device_$struct"
	else
		DEVICE_CATALOG="$DEVICE_CATALOG $struct"
	fi
	f_struct_new CATALOG_DEVICE "catalog_device_$struct" || return $FAILURE
	catalog_device_$struct set type "$type"
	catalog_device_$struct set name "$name"
	catalog_device_$struct set desc "$desc"
	return $SUCCESS
}

# f_device_desc $device_name $device_type [$var_to_set]
#
# Print a description for a device name (eg., `fxp0') given a specific device
# type/class.
#
# If $var_to_set is missing or NULL, the device description is printed to
# standard out for capturing in a sub-shell (which is less-recommended because
# of performance degredation; for example, when called in a loop).
#
f_device_desc()
{
	local __name="$1" __type="$2" __var_to_set="$3"
	local __devname __devunit __cp

	# Check variables
	[ "$__name" ] || return $SUCCESS
	[ "$__type" = "$DEVICE_TYPE_ANY" ] && type=
	[ "$__var_to_set" ] && { setvar "$__var_to_set" "" || return; }

	#
	# Return sysctl MIB dev.NAME.UNIT.%desc if it exists, otherwise fall
	# through to further alternate methods.
	#
	if f_have sysctl; then
		__devname="${__name%%[0-9]*}"
		__devunit="${__name#$__devname}"
		__devunit="${__devunit%%[!0-9]*}"
		if [ "$__var_to_set" ]; then
			if __cp=$(
				sysctl -n "dev.$__devname.$__devunit.%desc" \
				2> /dev/null
			); then
				setvar "$__var_to_set" "$__cp" &&
					return $SUCCESS
			fi
		else
			sysctl -n "dev.$__devname.$__devunit.%desc" \
				2> /dev/null && return $SUCCESS
		fi
	fi

	# Look up device in catalog for default description
	local __catalog_struct
	debug= f_device_catalog_get "$__type" "$__name" __catalog_struct
	debug= f_struct "catalog_device_$__catalog_struct" get \
		desc "$__var_to_set" && return $SUCCESS

	#
	# Sensible fall-backs for specific types
	#
	case "$__type" in
	$DEVICE_TYPE_CDROM)   __cp="<unknown cdrom device type>" ;;
	$DEVICE_TYPE_DISK)    __cp="<unknown disk device type>" ;;
	$DEVICE_TYPE_USB)     __cp="<unknown USB storage device type>" ;;
	$DEVICE_TYPE_NETWORK) __cp="<unknown network interface type>" ;;
	*)
		__cp="<unknown device type>"
	esac

	if [ "$__var_to_set" ]; then
		setvar "$__var_to_set" "$__cp"
	else
		echo "$__cp"
	fi

	return $FAILURE
}

# f_device_is_ethernet $device
#
# Returns true if $device is a wired Ethernet network interface. Otherwise
# returns false. Example wired interfaces include: fxp0 em0 bge0 rl0 etc.
#
f_device_is_ethernet()
{
	local dev="$1" type flags

	# Make sure we have an actual device by that name
	f_struct "$dev" || return $FAILURE

	# Make sure that the device is a network device
	$dev get type type
	[ "$type" = "$DEVICE_TYPE_NETWORK" ] || return $FAILURE

	# Make sure that the media flags indicate that it is Ethernet
	$dev get flags flags
	[ $(( ${flags:-0} & $IF_ETHERNET )) -eq $IF_ETHERNET ]
}

# f_device_is_wireless $device
#
# Returns true if $device is a Wireless network interface. Otherwise returns
# false. Examples of wireless interfaces include: iwn0
#
f_device_is_wireless()
{
	local dev="$1" type flags

	# Make sure we have an actual device by that name
	f_struct "$dev" || return $FAILURE

	# Make sure that the device is a network device
	$dev get type type
	[ "$type" = "$DEVICE_TYPE_NETWORK" ] || return $FAILURE

	# Make sure that the media flags indicate that it is 802.11 wireless
	$dev get flags flags
	[ $(( ${flags:-0} & $IF_WIRELESS )) -eq $IF_WIRELESS ]
}

# f_device_is_active $device
#
# Returns true if $device is active. Otherwise returns false. Currently this
# only works for network interfaces.
#
f_device_is_active()
{
	local dev="$1" type flags=0

	# Make sure we have an actual device by that name
	f_struct "$dev" || return $FAILURE

	$dev get type type
	case "$type" in
	$DEVICE_TYPE_NETWORK)
		# Make sure that the media flags indicate that it is active
		$dev get flags flags
		[ $(( ${flags:-0} & $IF_ACTIVE )) -eq $IF_ACTIVE ]
		;;
	*)
		return $FAILURE
	esac
}

# f_device_find [-1] $name [$type [$var_to_set]]
#
# Find one or more registered devices by name, type, or both. Returns a space-
# separated list of devices matching the search criterion.
#
# If `-1' option flag is given, only the first matching device is returned.
#
# If $var_to_set is missing or NULL, the device name(s) are printed to standard
# out for capturing in a sub-shell (which is less-recommended because of
# performance degredation; for example, when called in a loop).
#
f_device_find()
{
	local OPTIND=1 OPTARG flag only_one=
	while getopts 1 flag; do
		case "$flag" in
		1) only_one=1 ;;
		esac
	done
	shift $(( $OPTIND - 1 ))

	local __name="$1" __type="${2:-$DEVICE_TYPE_ANY}" __var_to_set="$3"
	local __n=1 __devname __devtype __found=
	while [ $__n -le $NDEVICES ]; do
		device_$__n get name __devname
		device_$__n get type __devtype
		if [ "$__name" = "$__devname" -o ! "$__name" ] &&
		   [ "$__type" = "$DEVICE_TYPE_ANY" -o \
		     "$__type" = "$__devtype" ]
		then
			__found="$__found device_$__n"
			[ "$only_one" ] && break
		fi
		__n=$(( $__n + 1 ))
	done

	if [ "$__var_to_set" ]; then
		setvar "$__var_to_set" "${__found# }"
	else
		echo $__found
	fi
	[ "$__found" ] # Return status
}

# f_device_init $device
#
# Initialize a device by evaluating its `init' function. The $device argument
# is a DEVICE struct name.
#
f_device_init()
{
	local device="$1" init_func
	f_struct "$device" || return $?
	$device get init init_func
	${init_func:-:} "$device"
}

# f_device_get $device $file [$probe]
#
# Read $file by evaluating the device's `get' function. The file is commonly
# produced on standard output (but it truly depends on the function called).
# The $device argument is a DEVICE struct name.
#
f_device_get()
{
	local device="$1" file="$2" probe="$3" get_func
	f_struct "$device" || return $?
	$device get get get_func
	${get_func:-:} "$device" "$file" ${3+"$probe"}
}

# f_device_shutdown $device
#
# Shutdown a device by evaluating its `shutdown' function. The $device argument
# is a DEVICE struct name.
#
f_device_shutdown()
{
	local device="$1" shutdown_func
	f_struct "$device" || return $?
	$device get shutdown shutdown_func
	${shutdown_func:-:} "$device"
}

# f_devices_sort_by $property $var_to_get [$var_to_set]
#
# Take list of devices from $var_to_get (separated by whitespace, newline
# included) and sort them by $property (e.g., `name'). The sorted list of
# DEVICE struct names is returned on standard output separated by whitespace
# (newline to be specific) unless $var_to_set is present and non-NULL.
#
# This function is a two-parter. Below is the awk(1) portion of the function,
# afterward is the sh(1) function which utilizes the below awk script.
#
f_device_sort_by_awk='
# Variables that should be defined on the invocation line:
# 	-v prop="property"
function _asorti(src, dest)
{
	k = nitems = 0
	for (i in src) dest[++nitems] = i
	for (i = 1; i <= nitems; k = i++) {
		idx = dest[i]
		while ((k > 0) && (dest[k] > idx)) {
			dest[k+1] = dest[k]; k--
		}
		dest[k+1] = idx
	}
	return nitems
}
{
	split($0, devs, FS)
	for (d in devs) {
		name = ENVIRON["_struct_value_" devs[d] "_" prop]
		devices[name] = devs[d]
	}
}
END {
	nitems = _asorti(devices, devices_sorted)
	for (i = 1; i <= nitems; i++) print devices[devices_sorted[i]]
}
'
f_device_sort_by()
{
	local __property="${1:-name}" __var_to_get="$2" __var_to_set="$3"

	f_isset "$__var_to_get" || return $FAILURE

	local __dev
	for __dev in $( f_getvar "$__var_to_get" ); do
		export _struct_value_${__dev}_$__property
	done

	local __cp
	setvar "${__var_to_set:-__cp}" "$(
		f_getvar "$__var_to_get" |
			awk -v prop="$__property" "$f_device_sort_by_awk"
	)"
	[ "$__var_to_set" ] || echo "$__cp"
}

# f_device_menu $title $prompt $hline $device_type [$helpfile]
#
# Display a menu listing all the devices of a certain type in the system.
#
f_device_menu()
{
	f_dialog_title "$1"
	local title="$DIALOG_TITLE" btitle="$DIALOG_BACKTITLE"
	f_dialog_title_restore

	local prompt="$2" hline="$3" type="$4" helpfile="$5"

	local devs
	f_device_find "" "$type" devs || return $DIALOG_CANCEL

	local name desc menu_list=
	f_device_sort_by name devs devs
	for dev in $devs; do
		$dev get name name
		$dev get desc desc
		f_shell_escape "$name" name
		f_shell_escape "$desc" desc
		menu_list="$menu_list
			'$name' '$desc'" # END-QUOTE
	done
	menu_list="${menu_list#$NL}"

	local height width rows
	eval f_dialog_menu_size height width rows \
	                        \"\$title\"  \
	                        \"\$btitle\" \
	                        \"\$prompt\" \
	                        \"\$hline\"  \
	                        $menu_list

	local errexit=
	case $- in *e*) errexit=1; esac
	set +e

	local mtag
	while :; do
		mtag=$( eval $DIALOG \
			--title \"\$title\"             \
			--backtitle \"\$btitle\"        \
			--hline \"\$hline\"             \
			--ok-label \"\$msg_ok\"         \
			--cancel-label \"\$msg_cancel\" \
			${helpfile:+                    \
			  --help-button                 \
			  --help-label \"\$msg_help\"   \
			  ${USE_XDIALOG:+--help \"\"}   \
			}                               \
			--menu \"\$prompt\"             \
			$height $width $rows            \
			$menu_list                      \
			2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
		)
		local retval=$?

		[ $retval -ne $DIALOG_HELP ] && break
			# Otherwise, the Help button was pressed
		f_show_help "$helpfile"
			# ...then loop back to menu
	done
	f_dprintf "retval=%u mtag=[%s]" $retval "$mtag"

	[ "$errexit" ] && set -e

	if [ $retval -eq $DIALOG_OK ]; then
		# Clean up the output of [X]dialog(1)
		f_dialog_data_sanitize mtag

		# Map the user's choice back to a struct name
		local index device
		index=$( eval f_dialog_menutag2index \"\$mtag\" $menu_list )
		device=$( set -- $devs; eval echo \${$index} )

		echo "$device" >&2
	fi

	return $retval
}

#
# Short-hand
#
f_cdrom()   { f_device_catalog_set $DEVICE_TYPE_CDROM   "$1" "$2"; }
f_disk()    { f_device_catalog_set $DEVICE_TYPE_DISK    "$1" "$2"; }
f_usb()     { f_device_catalog_set $DEVICE_TYPE_USB     "$1" "$2"; }
f_network() { f_device_catalog_set $DEVICE_TYPE_NETWORK "$1" "$2"; }

############################################################ MAIN

#
# The below classifications allow us to re-group the GEOM devices from the
# `DEV' GEOM class appropriately while providing fall-back descriptions both
# for making the below code more maintainable and handling the rare case the
# GEOM device lacks a description.
#

DEVICE_CATALOG_APPEND_ONLY=1 # Make initial loading faster

# CDROM, Disk, and USB devices/names
f_cdrom  "cd%d"   "SCSI CDROM drive"
f_cdrom  "mcd%d"  "Mitsumi (old model) CDROM drive"
f_cdrom  "scd%d"  "Sony CDROM drive - CDU31/33A type"
f_disk   "aacd%d" "Adaptec FSA RAID array"
f_disk   "ada%d"  "ATA/SATA disk device"
f_disk   "amrd%d" "AMI MegaRAID drive"
f_disk   "da%d"   "SCSI disk device"
f_disk   "idad%d" "Compaq RAID array"
f_disk   "ipsd%d" "IBM ServeRAID RAID array"
f_disk   "md%d"   "md(4) disk device"
f_disk   "mfid%d" "LSI MegaRAID SAS array"
f_disk   "mlxd%d" "Mylex RAID disk"
f_disk   "twed%d" "3ware ATA RAID array"
f_disk   "vtbd%d" "VirtIO Block Device"
f_usb    "da%da"  "USB Mass Storage Device"

# Network interfaces/names
f_network "ae%d"    "Attansic/Atheros L2 Fast Ethernet"
f_network "age%d"   "Attansic/Atheros L1 Gigabit Ethernet"
f_network "alc%d"   "Atheros AR8131/AR8132 PCIe Ethernet"
f_network "ale%d"   "Atheros AR8121/AR8113/AR8114 PCIe Ethernet"
f_network "an%d"    "Aironet 4500/4800 802.11 wireless adapter"
f_network "ath%d"   "Atheros IEEE 802.11 wireless adapter"
f_network "aue%d"   "ADMtek USB Ethernet adapter"
f_network "axe%d"   "ASIX Electronics USB Ethernet adapter"
f_network "bce%d"   "Broadcom NetXtreme II Gigabit Ethernet card"
f_network "bfe%d"   "Broadcom BCM440x PCI Ethernet card"
f_network "bge%d"   "Broadcom BCM570x PCI Gigabit Ethernet card"
f_network "bm%d"    "Apple BMAC Built-in Ethernet"
f_network "bwn%d"   "Broadcom BCM43xx IEEE 802.11 wireless adapter"
f_network "cas%d"   "Sun Cassini/Cassini+ or NS DP83065 Saturn Ethernet"
f_network "cc3i%d"  "SDL HSSI sync serial PCI card"
f_network "cue%d"   "CATC USB Ethernet adapter"
f_network "cxgb%d"  "Chelsio T3 10Gb Ethernet card"
f_network "dc%d"    "DEC/Intel 21143 (and clones) PCI Fast Ethernet card"
f_network "de%d"    "DEC DE435 PCI NIC or other DC21040-AA based card"
f_network "disc%d"  "Software discard network interface"
f_network "ed%d"    "Novell NE1000/2000; 3C503; NE2000-compatible PCMCIA"
f_network "el%d"    "3Com 3C501 Ethernet card"
f_network "em%d"    "Intel(R) PRO/1000 Ethernet card"
f_network "ep%d"    "3Com 3C509 Ethernet card/3C589 PCMCIA"
f_network "et%d"    "Agere ET1310 based PCI Express Gigabit Ethernet card"
f_network "ex%d"    "Intel EtherExpress Pro/10 Ethernet card"
f_network "fe%d"    "Fujitsu MB86960A/MB86965A Ethernet card"
f_network "fpa%d"   "DEC DEFPA PCI FDDI card"
f_network "fwe%d"   "FireWire Ethernet emulation"
f_network "fwip%d"  "IP over FireWire"
f_network "fxp%d"   "Intel EtherExpress Pro/100B PCI Fast Ethernet card"
f_network "gem%d"   "Apple GMAC or Sun ERI/GEM Ethernet adapter"
f_network "hme%d"   "Sun HME (Happy Meal Ethernet) Ethernet adapter"
f_network "ie%d"    "AT&T StarLAN 10 and EN100; 3Com 3C507; NI5210"
f_network "igb%d"   "Intel(R) PRO/1000 PCI Express Gigabit Ethernet card"
f_network "ipw%d"   "Intel PRO/Wireless 2100 IEEE 802.11 adapter"
f_network "iwi%d"   "Intel PRO/Wireless 2200BG/2225BG/2915ABG adapter"
f_network "iwn%d"   "Intel Wireless WiFi Link 4965AGN IEEE 802.11n adapter"
f_network "ix%d"    "Intel Etherexpress Ethernet card"
f_network "ixgbe%d" "Intel(R) PRO/10Gb Ethernet card"
f_network "jme%d"   "JMicron JMC250 Gigabit/JMC260 Fast Ethernet"
f_network "kue%d"   "Kawasaki LSI USB Ethernet adapter"
f_network "le%d"    "AMD Am7900 LANCE or Am79C9xx PCnet Ethernet adapter"
f_network "lge%d"   "Level 1 LXT1001 Gigabit Ethernet card"
f_network "lnc%d"   "Lance/PCnet (Isolan/Novell NE2100/NE32-VL) Ethernet"
f_network "lo%d"    "Loop-back (local) network interface"
f_network "lp%d"    "Parallel Port IP (PLIP) peer connection"
f_network "malo%d"  "Marvell Libertas 88W8335 802.11 wireless adapter"
f_network "msk%d"   "Marvell/SysKonnect Yukon II Gigabit Ethernet"
f_network "mxge%d"  "Myricom Myri10GE 10Gb Ethernet card"
f_network "nfe%d"   "NVIDIA nForce MCP Ethernet"
f_network "ng%d"    "Vimage netgraph(4) bridged Ethernet device"
f_network "nge%d"   "NatSemi PCI Gigabit Ethernet card"
f_network "nve%d"   "NVIDIA nForce MCP Ethernet"
f_network "pcn%d"   "AMD Am79c79x PCI Ethernet card"
f_network "plip%d"  "Parallel Port IP (PLIP) peer connection"
f_network "ral%d"   "Ralink Technology IEEE 802.11 wireless adapter"
f_network "ray%d"   "Raytheon Raylink 802.11 wireless adapter"
f_network "re%d"    "RealTek 8139C+/8169/8169S/8110S PCI Ethernet adapter"
f_network "rl%d"    "RealTek 8129/8139 PCI Ethernet card"
f_network "rue%d"   "RealTek USB Ethernet card"
f_network "rum%d"   "Ralink Technology USB IEEE 802.11 wireless adapter"
f_network "sf%d"    "Adaptec AIC-6915 PCI Ethernet card"
f_network "sge%d"   "Silicon Integrated Systems SiS190/191 Ethernet"
f_network "sis%d"   "SiS 900/SiS 7016 PCI Ethernet card"
f_network "sk%d"    "SysKonnect PCI Gigabit Ethernet card"
f_network "sn%d"    "SMC/Megahertz Ethernet card"
f_network "snc%d"   "SONIC Ethernet card"
f_network "sr%d"    "SDL T1/E1 sync serial PCI card"
f_network "ste%d"   "Sundance ST201 PCI Ethernet card"
f_network "stge%d"  "Sundance/Tamarack TC9021 Gigabit Ethernet"
f_network "ti%d"    "Alteon Networks PCI Gigabit Ethernet card"
f_network "tl%d"    "Texas Instruments ThunderLAN PCI Ethernet card"
f_network "tx%d"    "SMC 9432TX Ethernet card"
f_network "txp%d"   "3Com 3cR990 Ethernet card"
f_network "uath%d"  "Atheros AR5005UG and AR5005UX USB wireless adapter"
f_network "upgt%d"  "Conexant/Intersil PrismGT USB wireless adapter"
f_network "ural%d"  "Ralink Technology RT2500USB 802.11 wireless adapter"
f_network "urtw%d"  "Realtek 8187L USB wireless adapter"
f_network "vge%d"   "VIA VT612x PCI Gigabit Ethernet card"
f_network "vlan%d"  "IEEE 802.1Q VLAN network interface"
f_network "vr%d"    "VIA VT3043/VT86C100A Rhine PCI Ethernet card"
f_network "vx%d"    "3COM 3c590 / 3c595 Ethernet card"
f_network "wb%d"    "Winbond W89C840F PCI Ethernet card"
f_network "wi%d"    "Lucent WaveLAN/IEEE 802.11 wireless adapter"
f_network "wpi%d"   "Intel 3945ABG IEEE 802.11 wireless adapter"
f_network "wx%d"    "Intel Gigabit Ethernet (82452) card"
f_network "xe%d"    "Xircom/Intel EtherExpress Pro100/16 Ethernet card"
f_network "xl%d"    "3COM 3c90x / 3c90xB PCI Ethernet card"
f_network "zyd%d"   "ZyDAS ZD1211/ZD1211B USB 802.11 wireless adapter"

DEVICE_CATALOG_APPEND_ONLY= # Additional loading modifies existing devices

f_count NCATALOG_DEVICES $DEVICE_CATALOG
f_dprintf "%s: Initialized device catalog with %u names/descriptions." \
          device.subr $NCATALOG_DEVICES

#
# Scan for the above devices unless requeted otherwise
#
f_dprintf "%s: DEVICE_SELF_SCAN_ALL=[%s]" device.subr "$DEVICE_SELF_SCAN_ALL"
case "$DEVICE_SELF_SCAN_ALL" in
""|0|[Nn][Oo]|[Oo][Ff][Ff]|[Ff][Aa][Ll][Ss][Ee]) : do nothing ;;
*) f_device_get_all
esac

f_dprintf "%s: Successfully loaded." device.subr

fi # ! $_DEVICE_SUBR