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