#!/bin/sh
bridge_parse_ports()
{
while [ x"${1+set}" = xset ]
do
# For compatibility: the `all' option.
case $1 in
all)
shift &&
set regex eth.\* em.\* 'p[0-9].*' noregex "$@"
;;
esac
# Primitive state machine...
case $1-`uname -s` in
regex-Linux)
all_interfaces=`sed -n 's%^[\ ]*\([^:]*\):.*$%\1%p' < /proc/net/dev`
shift
;;
regex-*)
echo -n "$0 needs to be ported for your `uname -s` system. " >&2
echo "Trying to continue nevertheless." >&2
shift
;;
noregex-*)
all_interfaces=
unset all_interfaces
shift
;;
esac
case ${all_interfaces+regex}-${1+set} in
regex-set)
# The following interface specification are to be parsed as regular
# expressions against all interfaces the system provides.
i=`egrep "^$1$" << EOAI
$all_interfaces
EOAI
`
shift
;;
*-set)
# Literal interfaces.
i=$1
shift
;;
*)
# No interface specification is following.
i=
;;
esac
echo $i
done
}
create_vlan_port()
{
# port doesn't yet exist
if [ ! -e "/sys/class/net/$port" ]
then
dev="${port%.*}"
# port is a vlan and the device exists?
if [ "$port" != "$dev" ] && [ -e "/sys/class/net/$dev" ]
then
if [ -f /proc/sys/net/ipv6/conf/$dev/disable_ipv6 ]
then
echo 1 > /proc/sys/net/ipv6/conf/$dev/disable_ipv6
fi
ip link set "$dev" up
ip link add link "$dev" name "$port" type vlan id "${port#*.}"
fi
fi
}
destroy_vlan_port()
{
# port exists
if [ -e "/sys/class/net/$port" ]
then
dev="${port%.*}"
# port is a vlan
if [ "$port" != "$dev" ]
then
ip link delete "$port"
fi
fi
}
Mini Shell