consolidate show_interfaces* scripts with vyatta-show-interfaces

8 files changed, 195 insertions, 591 deletions

diff --git a/scripts/show_interfaces b/scripts/show_interfaces
deleted file mode 100755
index 44b3c8c..0000000
--- a/scripts/show_interfaces
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/bin/bash
-# **** License ****
-# Version: VPL 1.0
-#
-# The contents of this file are subject to the Vyatta Public License
-# Version 1.0 ("License"); you may not use this file except in
-# compliance with the License. You may obtain a copy of the License at
-# http://www.vyatta.com/vpl
-#
-# Software distributed under the License is distributed on an "AS IS"
-# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-# the License for the specific language governing rights and limitations
-# under the License.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
-# All Rights Reserved.
-#
-# Author: Tom Grennan
-# Date: 2007
-#
-# **** End License ****
-
-shopt -s extglob
-shopt -s nullglob
-
-test -f /etc/default/vyatta && source /etc/default/vyatta
-: ${vyatta_bindir:=/opt/vyatta/bin}
-
-declare progname=${0##*/}
-declare -a full_itfs=( /sys/class/net/+(eth|vmnet|lo|sit|wan)* )
-declare -a itfs
-
-_usage ()
-{
-    cat <<-EOF
-	$progname [ INTERFACE ]
-	EOF
-}
-
-_error ()
-{
-    ecode=$1
-    shift
-    echo $@
-    if [ $ecode -eq 1 ] ; then
-        echo
-        _usage
-    fi
-    exit $ecode
-}
-
-if [ $# -gt 0 ] ; then
-    if [[ $1 == --+(usage|help) ]] ; then
-	_usage
-	exit 0
-    elif [[ $1 != +(eth|vmnet|lo|sit|wan)* ]] ; then
-	_error 2 \""$1"\" is not an interface name\!
-    elif ! test -d /sys/class/net/$1 ; then
-	_error 2 $1: no such interface\!
-    else
-	itfs=( $1 )
-	shift
-    fi
-else
-    itfs=( ${full_itfs[@]##*/} )
-fi
-
-$vyatta_bindir/show_interfaces_statistics ${itfs[@]}
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 4
-# End:
diff --git a/scripts/show_interfaces_ethernet b/scripts/show_interfaces_ethernet
deleted file mode 100755
index d592018..0000000
--- a/scripts/show_interfaces_ethernet
+++ /dev/null
@@ -1,112 +0,0 @@
-#!/bin/bash
-# **** License ****
-# Version: VPL 1.0
-#
-# The contents of this file are subject to the Vyatta Public License
-# Version 1.0 ("License"); you may not use this file except in
-# compliance with the License. You may obtain a copy of the License at
-# http://www.vyatta.com/vpl
-#
-# Software distributed under the License is distributed on an "AS IS"
-# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-# the License for the specific language governing rights and limitations
-# under the License.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
-# All Rights Reserved.
-#
-# Author: Tom Grennan
-# Date: 2007
-#
-# **** End License ****
-
-test -f /etc/default/vyatta && source /etc/default/vyatta
-: ${vyatta_bindir:=/opt/vyatta/bin}
-
-shopt -s extglob
-shopt -s nullglob
-
-declare progname=${0##*/}
-declare -a itfs
-
-_usage ()
-{
-    cat <<-EOF
-	$progname
-	$progname INTERFACE
-	$progname INTERFACE physical
-	$progname INTERFACE vif VIF
-	$progname INTERFACE vif VIF physical
-	EOF
-}
-
-_error ()
-{
-    ecode=$1
-    shift
-    echo $@
-    if [ $ecode -eq 1 ] ; then
-        echo
-        _usage
-    fi
-    exit $ecode
-}
-
-_show_interfaces_ethernet_physical ()
-{
-    if type -t ethtool &>/dev/null ; then
-	for eth ; do
-	    sudo ethtool $eth
-	    echo
-	done
-    fi
-}
-
-if [ $# -gt 0 ] ; then
-    if [[ $1 == --+(usage|help) ]] ; then
-	_usage
-	exit 0
-    elif [[ $1 != +(eth|vmnet)*([[:digit:]]) ]] ; then
-	_error 2 \""$1"\" is not an ethernet device name\!
-    elif ! test -d /sys/class/net/$1 ; then
-	_error 2 \""$1"\" no such ethernet interface\!
-    else
-	eth=$1
-	shift
-    fi
-    if [[ $# -gt 0 && $1 == vif ]] ; then
-	shift
-	if [ $# -gt 0 ] ; then
-	    vif=$1 ; shift
-	    itf=${eth}.${vif}
-	    test -d /sys/class/net/$itf || \
-		_error 2 \""$vif"\" no such vif for $eth\!
-	else
-	    _error 1 Missing VIF parameter\!
-	fi
-    else
-	itf=$eth
-    fi
-    itfs=( $itf )
-else
-    declare -a full_eths=( /sys/class/net/+(eth|vmnet)* )
-    test ${#full_eths[@]} -gt 0 || \
-	_error 2 No ethernet interfaces\!
-    itfs=( ${full_eths[@]##*/} )
-fi
-
-case "$1" in
-    physical )		cmd=_show_interfaces_ethernet_physical ;;
-    "" | statistics )	cmd=$vyatta_bindir/show_interfaces_statistics ;;
-    name )		cmd=echo ;;
-    * )			_error 1 \""$1"\" is an invalid parameter\! ;;
-esac
-
-eval $cmd ${itfs[@]##*/}
-
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 4
-# End:
diff --git a/scripts/show_interfaces_loopback b/scripts/show_interfaces_loopback
deleted file mode 100755
index ab1bb5d..0000000
--- a/scripts/show_interfaces_loopback
+++ /dev/null
@@ -1,76 +0,0 @@
-#!/bin/bash
-# **** License ****
-# Version: VPL 1.0
-#
-# The contents of this file are subject to the Vyatta Public License
-# Version 1.0 ("License"); you may not use this file except in
-# compliance with the License. You may obtain a copy of the License at
-# http://www.vyatta.com/vpl
-#
-# Software distributed under the License is distributed on an "AS IS"
-# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-# the License for the specific language governing rights and limitations
-# under the License.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
-# All Rights Reserved.
-#
-# Author: Tom Grennan
-# Date: 2007
-#
-# **** End License ****
-
-test -f /etc/default/vyatta && source /etc/default/vyatta
-: ${vyatta_bindir:=/opt/vyatta/bin}
-
-shopt -s extglob
-shopt -s nullglob
-
-declare progname=${0##*/}
-declare -a itfs
-
-_usage ()
-{
-    cat <<-EOF
-	$progname [ INTERFACE ]
-	EOF
-}
-
-_error ()
-{
-    ecode=$1
-    shift
-    echo $@
-    if [ $ecode -eq 1 ] ; then
-        echo
-        _usage
-    fi
-    exit $ecode
-}
-
-if [ $# -gt 0 ] ; then
-    if [[ $1 == --+(usage|help) ]] ; then
-	_usage
-	exit 0
-    elif [[ $1 != lo* ]] ; then
-	_error 2 \""$1"\" is not a loopback device name\!
-    elif ! test -d /sys/class/net/$1 ; then
-	_error 2 $1: no such loopback interface\!
-    else
-	itfs=( $1 )
-	shift
-    fi
-else
-    declare -a full_los=( /sys/class/net/lo* )
-    test ${#full_los[@]} -gt 0 || \
-	_error 2 No loopback interfaces\!
-    itfs=( ${full_los[@]##*/} )
-fi
-
-$vyatta_bindir/show_interfaces_statistics ${itfs[@]}
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 4
-# End:
diff --git a/scripts/show_interfaces_statistics b/scripts/show_interfaces_statistics
deleted file mode 100755
index 40870cc..0000000
--- a/scripts/show_interfaces_statistics
+++ /dev/null
@@ -1,123 +0,0 @@
-#!/bin/bash
-# **** License ****
-# Version: VPL 1.0
-#
-# The contents of this file are subject to the Vyatta Public License
-# Version 1.0 ("License"); you may not use this file except in
-# compliance with the License. You may obtain a copy of the License at
-# http://www.vyatta.com/vpl
-#
-# Software distributed under the License is distributed on an "AS IS"
-# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-# the License for the specific language governing rights and limitations
-# under the License.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
-# All Rights Reserved.
-#
-# Author: Tom Grennan
-# Date: 2007
-#
-# **** End License ****
-
-shopt -s extglob
-shopt -s nullglob
-
-declare progname=${0##*/}
-declare -a full_itfs=( /sys/class/net/+(eth|vmnet|wan|sit|lo)* )
-declare -a itfs
-declare -i rx_bytes rx_packets rx_errors rx_dropped rx_over_errors multicast
-declare -i tx_bytes tx_packets tx_errors tx_dropped tx_carrier_errors collisions
-declare -i rx_missed_errors rx_fifo_errors
-
-_usage ()
-{
-    cat <<-EOF
-	$progname [ INTERFACE ]
-	EOF
-}
-
-_error ()
-{
-    ecode=$1
-    shift
-    echo $@
-    if [ $ecode -eq 1 ] ; then
-        echo
-        _usage
-    fi
-    exit $ecode
-}
-
-if [ $# -gt 0 ] ; then
-    if [[ $1 == --+(usage|help) ]] ; then
-	_usage
-	exit 0
-    else
-	itfs=( $@ )
-    fi
-else
-    itfs=( ${full_itfs[@]##*/} )
-fi
-
-for itf in ${itfs[@]} ; do
-    test -d /sys/class/net/$itf || \
-	_error 2 $itf: no such interface\!
-    for stat in \
-	rx_bytes rx_packets rx_errors rx_dropped rx_over_errors multicast \
-	tx_bytes tx_packets tx_errors tx_dropped tx_carrier_errors collisions
-    do
-	full_stat=/sys/class/net/${itf}/statistics/${stat}
-	if  [ -r $full_stat ] ; then
-	    eval $stat=$(cat $full_stat)
-	else
-	    eval $stat=0
-	fi
-    done
-    for stat in rx_missed_errors ; do
-	full_stat=/sys/class/net/${itf}/statistics/${stat}
-	if  [ -r $full_stat ] ; then
-	    let $(( rx_dropped_errors += $(cat $full_stat) ))
-	fi
-    done
-    for stat in rx_fifo_errors ; do
-	full_stat=/sys/class/net/${itf}/statistics/${stat}
-	if  [ -r $full_stat ] ; then
-	    let $(( rx_over_errors += $(cat $full_stat) ))
-	fi
-    done
-
-    printf -v rx_stats \
-	'%10d %10d %10d %10d %10d %10d' \
-	$rx_bytes  \
-	$rx_packets\
-	$rx_errors \
-	$rx_dropped \
-	$rx_over_errors \
-	$multicast
-
-    printf -v tx_stats \
-	'%10d %10d %10d %10d %10d %10d' \
-	$tx_bytes  \
-	$tx_packets\
-	$tx_errors \
-	$tx_dropped \
-	$tx_carrier_errors \
-	$collisions
-
-    ip -s addr show ${itf} | sed 's/^[0-9]*: //'
-    cat <<-EOF
-
-    RX:  bytes    packets     errors    dropped    overrun      mcast
-    $rx_stats
-    TX:  bytes    packets     errors    dropped    carrier collisions
-    $tx_stats
-
-	EOF
-done
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 4
-# End:
diff --git a/scripts/show_interfaces_summary b/scripts/show_interfaces_summary
deleted file mode 100755
index 020ae2c..0000000
--- a/scripts/show_interfaces_summary
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/bin/bash
-# **** License ****
-# Version: VPL 1.0
-#
-# The contents of this file are subject to the Vyatta Public License
-# Version 1.0 ("License"); you may not use this file except in
-# compliance with the License. You may obtain a copy of the License at
-# http://www.vyatta.com/vpl
-#
-# Software distributed under the License is distributed on an "AS IS"
-# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-# the License for the specific language governing rights and limitations
-# under the License.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
-# All Rights Reserved.
-#
-# Author: Tom Grennan
-# Date: 2007
-#
-# **** End License ****
-
-shopt -s extglob
-shopt -s nullglob
-
-declare -a full_itfs=( /sys/class/net/+(eth|vmnet|lo|sit|wan)* )
-declare -i rx_bytes rx_packets rx_errors rx_dropped rx_over_errors multicast
-declare -i tx_bytes tx_packets tx_errors tx_dropped tx_carrier_errors collisions
-
-printf '%10s    %10s %10s %10s %10s\n' \
-    interface packets bytes errors drops
-
-for itf in ${full_itfs[@]##*/} ; do
-    for stat in \
-	rx_bytes rx_packets rx_errors rx_dropped rx_over_errors multicast \
-	tx_bytes tx_packets tx_errors tx_dropped tx_carrier_errors collisions
-    do
-	full_stat=/sys/class/net/${itf}/statistics/${stat}
-	if  [ -r $full_stat ] ; then
-	    eval $stat=$(cat $full_stat)
-	else
-	    eval $stat=0
-	fi
-    done
-    printf '%10s rx %10d %10d %10d %10d\n' \
-	$itf $rx_packets $rx_bytes $rx_errors $rx_dropped
-    printf '%10s tx %10d %10d %10d %10d\n' \
-	'' $tx_packets $tx_bytes $tx_errors $tx_dropped
-done
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 4
-# End:
diff --git a/scripts/show_interfaces_system b/scripts/show_interfaces_system
deleted file mode 100755
index abc79d4..0000000
--- a/scripts/show_interfaces_system
+++ /dev/null
@@ -1,75 +0,0 @@
-#!/bin/bash
-# **** License ****
-# Version: VPL 1.0
-#
-# The contents of this file are subject to the Vyatta Public License
-# Version 1.0 ("License"); you may not use this file except in
-# compliance with the License. You may obtain a copy of the License at
-# http://www.vyatta.com/vpl
-#
-# Software distributed under the License is distributed on an "AS IS"
-# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-# the License for the specific language governing rights and limitations
-# under the License.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
-# All Rights Reserved.
-#
-# Author: Tom Grennan
-# Date: 2007
-#
-# **** End License ****
-
-test -f /etc/default/vyatta && source /etc/default/vyatta
-: ${vyatta_bindir:=/opt/vyatta/bin}
-
-shopt -s extglob
-shopt -s nullglob
-
-declare progname=${0##*/}
-declare -a full_itfs=( /sys/class/net/+(eth|vmnet|lo|sit|wan)* )
-declare -a itfs
-declare -i flags
-
-_usage ()
-{
-    cat <<-EOF
-	$progname [ enabled ]
-	EOF
-}
-
-_error ()
-{
-    ecode=$1
-    shift
-    echo $@
-    if [ $ecode -eq 1 ] ; then
-        _usage
-    fi
-    exit $ecode
-}
-
-if [ $# -gt 0 ] ; then
-    if [[ $1 == --+(usage|help) ]] ; then
-	_usage
-	exit 0
-    elif [[ $1 != enabled ]] ; then
-	_error 1 Invalid option: $1
-    else
-	for itf in ${full_itfs[@]} ; do
-	    let -i flags="$(cat $itf/flags) & 1"
-	    [[ $flags -eq 1 ]] && \
-		itfs[${#itfs[@]}]=${itf##*/}
-	done
-    fi
-else
-    itfs=( ${full_itfs[@]##*/} )
-fi
-
-$vyatta_bindir/show_interfaces_statistics ${itfs[@]}
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 4
-# End:
diff --git a/scripts/show_interfaces_tunnel b/scripts/show_interfaces_tunnel
deleted file mode 100755
index d5df7b3..0000000
--- a/scripts/show_interfaces_tunnel
+++ /dev/null
@@ -1,76 +0,0 @@
-#!/bin/bash
-# **** License ****
-# Version: VPL 1.0
-#
-# The contents of this file are subject to the Vyatta Public License
-# Version 1.0 ("License"); you may not use this file except in
-# compliance with the License. You may obtain a copy of the License at
-# http://www.vyatta.com/vpl
-#
-# Software distributed under the License is distributed on an "AS IS"
-# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-# the License for the specific language governing rights and limitations
-# under the License.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
-# All Rights Reserved.
-#
-# Author: Tom Grennan
-# Date: 2007
-#
-# **** End License ****
-
-test -f /etc/default/vyatta && source /etc/default/vyatta
-: ${vyatta_bindir:=/opt/vyatta/bin}
-
-shopt -s extglob
-shopt -s nullglob
-
-declare progname=${0##*/}
-declare -a itfs
-
-_usage ()
-{
-    cat <<-EOF
-	$progname [ INTERFACE ]
-	EOF
-}
-
-_error ()
-{
-    ecode=$1
-    shift
-    echo $@
-    if [ $ecode -eq 1 ] ; then
-        echo
-        _usage
-    fi
-    exit $ecode
-}
-
-if [ $# -gt 0 ] ; then
-    if [[ $1 == --+(usage|help) ]] ; then
-	_usage
-	exit 0
-    elif [[ $1 != sit* ]] ; then
-	_error 2 \""$1"\" is not a tunnel device name\!
-    elif ! test -d /sys/class/net/$1 ; then
-	_error 2 $1: no such tunnel interface\!
-    else
-	itfs=( $1 )
-	shift
-    fi
-else
-    declare -a full_sits=( /sys/class/net/sit* )
-    test ${#full_sits[@]} -gt 0 || \
-	_error 2 No tunnel interfaces\!
-    itfs=( ${full_sits[@]##*/} )
-fi
-
-$vyatta_bindir/show_interfaces_statistics ${itfs[@]}
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 4
-# End:
diff --git a/scripts/vyatta-show-interfaces b/scripts/vyatta-show-interfaces
new file mode 100755
index 0000000..1a71c29
--- /dev/null
+++ b/scripts/vyatta-show-interfaces
@@ -0,0 +1,195 @@
+#!/bin/bash
+# **** License ****
+# Version: VPL 1.0
+#
+# The contents of this file are subject to the Vyatta Public License
+# Version 1.0 ("License"); you may not use this file except in
+# compliance with the License. You may obtain a copy of the License at
+# http://www.vyatta.com/vpl
+#
+# Software distributed under the License is distributed on an "AS IS"
+# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+# the License for the specific language governing rights and limitations
+# under the License.
+#
+# This code was originally developed by Vyatta, Inc.
+# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
+# All Rights Reserved.
+#
+# Author: Tom Grennan
+# Date: 2007
+#
+# **** End License ****
+
+shopt -s extglob
+shopt -s nullglob
+
+declare progname=${0##*/}
+declare -a full_itfs=( /sys/class/net/+(eth|vmnet|lo|sit|wan)* )
+declare -a itfs
+declare _do_show=_show_itf_stats
+
+_error ()
+{
+    ecode=$1
+    shift
+    echo $@
+    if [ $ecode -eq 1 ] ; then
+        echo
+        _usage
+    fi
+    exit $ecode
+}
+
+_show_itf_stats ()
+{
+    local -i rx_bytes rx_packets rx_errors rx_dropped rx_over_errors multicast
+    local -i tx_bytes tx_packets tx_errors tx_dropped tx_carrier_errors \
+	collisions
+    local -i rx_missed_errors rx_fifo_errors
+
+    for itf ; do
+	test -d /sys/class/net/$itf || \
+	    _error 2 $itf: no such interface\!
+	for stat in \
+	    rx_bytes rx_packets rx_errors rx_dropped rx_over_errors multicast \
+	    tx_bytes tx_packets tx_errors tx_dropped tx_carrier_errors \
+	    collisions
+	do
+	    full_stat=/sys/class/net/${itf}/statistics/${stat}
+	    if  [ -r $full_stat ] ; then
+		eval $stat=$(cat $full_stat)
+	    else
+		eval $stat=0
+	    fi
+	done
+	for stat in rx_missed_errors ; do
+	    full_stat=/sys/class/net/${itf}/statistics/${stat}
+	    if  [ -r $full_stat ] ; then
+		let $(( rx_dropped_errors += $(cat $full_stat) ))
+	    fi
+	done
+	for stat in rx_fifo_errors ; do
+	    full_stat=/sys/class/net/${itf}/statistics/${stat}
+	    if  [ -r $full_stat ] ; then
+		let $(( rx_over_errors += $(cat $full_stat) ))
+	    fi
+	done
+
+	printf -v rx_stats \
+	    '%10d %10d %10d %10d %10d %10d' \
+	    $rx_bytes  \
+	    $rx_packets \
+	    $rx_errors \
+	    $rx_dropped \
+	    $rx_over_errors \
+	    $multicast
+
+	printf -v tx_stats \
+	    '%10d %10d %10d %10d %10d %10d' \
+	    $tx_bytes  \
+	    $tx_packets \
+	    $tx_errors \
+	    $tx_dropped \
+	    $tx_carrier_errors \
+	    $collisions
+
+	ip -s addr show ${itf} | sed 's/^[0-9]*: //'
+	cat <<-EOF
+
+    RX:  bytes    packets     errors    dropped    overrun      mcast
+    $rx_stats
+    TX:  bytes    packets     errors    dropped    carrier collisions
+    $tx_stats
+
+	EOF
+    done
+}
+
+_show_itf_physical ()
+{
+    if type -t ethtool &>/dev/null ; then
+        for eth ; do
+            sudo ethtool $eth
+            echo
+        done
+    fi
+}
+
+_usage ()
+{
+    cat <<-EOF
+	$progname [ INTERFACE ]
+	$progname loopback [ INTERFACE ]
+	$progname tunnel [ INTERFACE ]
+	$progname system [ enabled ]
+	EOF
+}
+
+_add_itfs ()
+{
+    for itf ; do
+	if [[ $itf != +(eth|vmnet|lo|sit|wan)* ]] ; then
+	    _error 2 \""$itf"\" is not an interface name\!
+	elif [ ! -d /sys/class/net/$itf ] ; then
+	    _error 2 $itf: no such interface\!
+	else
+	    itfs+=( $itf )
+	fi
+    done
+}
+
+if [ $# -gt 0 ] ; then
+    if [[ $1 == --+(usage|help) ]] ; then
+	_usage
+	exit 0
+    elif [[ $1 == +(ethernet|loopback|system|tunnel) ]] ; then
+	if [ $# -eq 1 ] ; then
+	    case $1 in
+		ethernet )
+		    full_itfs=( /sys/class/net/+(eth|vmnet)* ) ;;
+		loopback )
+		    full_itfs=( /sys/class/net/lo* ) ;;
+		tunnel )
+		    full_itfs=( /sys/class/net/sit* ) ;;
+	    esac
+	    itfs=( ${full_itfs[@]##*/} )
+	else
+	    if [[ $1 == system ]] ; then
+		if [[ $2 == enabled ]] ; then
+		    for full_itf in ${full_itfs[@]} ; do
+		        let -i flags="$(cat $full_itf/flags) & 1"
+			[[ $flags -eq 1 ]] && _add_itfs ${full_itf##*/}
+		    done
+		fi
+	    else
+		_add_itfs $2
+		if [ $# -gt 2 ] ; then
+		    if [[ $3 == physical ]] ; then
+			_do_show=_show_itf_physical
+		    elif [[ $3 == vif ]] ; then
+			if [ $# -gt 3 ] ; then
+			    itfs+=.$4
+			    if [[ $# -gt 4 && $4 == physical ]] ; then
+				_do_show=_show_itf_physical
+			    fi
+			else
+			    _error 2 missing VIF number\!
+			fi
+		    fi
+		fi
+	    fi
+	fi
+    else
+	_add_itfs $*
+    fi
+else
+    itfs=( ${full_itfs[@]##*/} )
+fi
+
+eval $_do_show ${itfs[@]}
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 4
+# End: