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39 lines
837 B
Bash
Executable File
39 lines
837 B
Bash
Executable File
#!/bin/sh
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#
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# Copyright (C) 2014 Pavel Kirienko <pavel.kirienko@gmail.com>
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#
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HELP="Initializes and brings up a virtual CAN interface.
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Usage:
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`basename $0` <iface-name>
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Example:
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`basename $0` vcan0"
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function die() { echo $@ >&2; exit 1; }
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if [ "$1" == '--help' ] || [ "$1" == '-h' ]; then echo "$HELP"; exit; fi
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[ -n "$1" ] || die "Invalid usage. Use --help to get help."
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[ "$(id -u)" == "0" ] || die "Must be root"
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# ---------------------------------------------------------
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IFACE="$1"
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if [ $(ifconfig -a | grep -c "^$IFACE") -eq "1" ]; then
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ifconfig $IFACE up
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exit
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fi
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modprobe can
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modprobe can_raw
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modprobe can_bcm
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modprobe vcan
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ip link add dev $IFACE type vcan
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ip link set up $IFACE
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ip link show $IFACE
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ifconfig $IFACE up || exit 1
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echo "New iface $IFACE added successfully. To delete: ip link delete $IFACE"
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