busybox/files/vlan.pre-up

#!/bin/sh

case "$IFACE" in
	vlan0*)
		vconfig set_name_type VLAN_PLUS_VID
		VLANID=`echo $IFACE|sed "s/vlan0*//"`
		;;
	vlan*)
		vconfig set_name_type VLAN_PLUS_VID_NO_PAD
		VLANID=`echo $IFACE|sed "s/vlan*//"`
		;;
	eth*.0?*)
		vconfig set_name_type DEV_PLUS_VID
		VLANID=`echo $IFACE|sed "s/eth[0-9][0-9]*\.0*//g"`
		IF_VLAN_RAW_DEVICE=`echo $IFACE|sed "s/\(eth[0-9][0-9]*\)\..*/\1/"`
		;;
	eth*.*)
		vconfig set_name_type DEV_PLUS_VID_NO_PAD
		VLANID=`echo $IFACE|sed "s/eth[0-9][0-9]*\.*//g"`
		IF_VLAN_RAW_DEVICE=`echo $IFACE|sed "s/\(eth[0-9][0-9]*\)\..*/\1/"`
		;;
	*)      exit 0
		;;
esac

if [ "$IF_VLAN_RAW_DEVICE" != "" ]
then
        [ -x /sbin/vconfig ] || exit 0
        if ! grep -q "$IF_VLAN_RAW_DEVICE" /proc/net/dev
        then
                echo "$IF_VLAN_RAW_DEVICE does not exist, unable to create $IFACE"
                exit 1
        fi

        # enable vlan 
	if [ -d /proc/switch/$IF_VLAN_RAW_DEVICE ]
	then
		echo 1 > /proc/switch/$IF_VLAN_RAW_DEVICE/enable_vlan
	fi
        ip link set up dev $IF_VLAN_RAW_DEVICE
        vconfig add $IF_VLAN_RAW_DEVICE $VLANID
	# change mac link layer address
	if [ "$IF_MAC_ADDRESS" != "" ]
	then
		ip link set $IF_VLAN_RAW_DEVICE.$VLANID address $IF_MAC_ADDRESS
	fi
        ip link set up dev $IF_VLAN_RAW_DEVICE.$VLANID

	# configure switch ports
	if [ "$IF_SWITCH_PORTS" != "" ]
	then
		echo "$IF_SWITCH_PORTS" > /proc/switch/$IF_VLAN_RAW_DEVICE/vlan/$VLANID/ports
	fi
fi
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1	#!/bin/sh
2
3	case "$IFACE" in
4	vlan0*)
5	vconfig set_name_type VLAN_PLUS_VID
6	VLANID=`echo $IFACE\|sed "s/vlan0*//"`
7	;;
8	vlan*)
9	vconfig set_name_type VLAN_PLUS_VID_NO_PAD
10	VLANID=`echo $IFACE\|sed "s/vlan*//"`
11	;;
12	eth.0?)
13	vconfig set_name_type DEV_PLUS_VID
14	VLANID=`echo $IFACE\|sed "s/eth[0-9][0-9]\.0//g"`
15	IF_VLAN_RAW_DEVICE=`echo $IFACE\|sed "s/\(eth[0-9][0-9]\)\../\1/"`
16	;;
17	eth.)
18	vconfig set_name_type DEV_PLUS_VID_NO_PAD
19	VLANID=`echo $IFACE\|sed "s/eth[0-9][0-9]\.//g"`
20	IF_VLAN_RAW_DEVICE=`echo $IFACE\|sed "s/\(eth[0-9][0-9]\)\../\1/"`
21	;;
22	*) exit 0
23	;;
24	esac
25
26	if [ "$IF_VLAN_RAW_DEVICE" != "" ]
27	then
28	[ -x /sbin/vconfig ] \|\| exit 0
29	if ! grep -q "$IF_VLAN_RAW_DEVICE" /proc/net/dev
30	then
31	echo "$IF_VLAN_RAW_DEVICE does not exist, unable to create $IFACE"
32	exit 1
33	fi
34
35	# enable vlan
36	if [ -d /proc/switch/$IF_VLAN_RAW_DEVICE ]
37	then
38	echo 1 > /proc/switch/$IF_VLAN_RAW_DEVICE/enable_vlan
39	fi
40	ip link set up dev $IF_VLAN_RAW_DEVICE
41	vconfig add $IF_VLAN_RAW_DEVICE $VLANID
42	# change mac link layer address
43	if [ "$IF_MAC_ADDRESS" != "" ]
44	then
45	ip link set $IF_VLAN_RAW_DEVICE.$VLANID address $IF_MAC_ADDRESS
46	fi
47	ip link set up dev $IF_VLAN_RAW_DEVICE.$VLANID
48
49	# configure switch ports
50	if [ "$IF_SWITCH_PORTS" != "" ]
51	then
52	echo "$IF_SWITCH_PORTS" > /proc/switch/$IF_VLAN_RAW_DEVICE/vlan/$VLANID/ports
53	fi
54	fi