openrc/net/macvlan.sh
2011-12-29 19:10:32 -06:00

63 lines
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# 2011-09-22 Stef Simoens <stef@bgs.org>
# based on vlan.sh & tuntap.sh
# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.
_ip()
{
if [ -x /bin/ip ]; then
echo /bin/ip
else
echo /sbin/ip
fi
}
macvlan_depend()
{
program $(_ip)
after interface
before dhcp macchanger
}
_is_macvlan()
{
[ -n "$(export RC_SVCNAME="net.${IFACE}"; service_get_value macvlan)" ]
}
macvlan_pre_start()
{
# MAC-VLAN needs an existing interface to link to
local macvlan=
eval macvlan=\$macvlan_${IFVAR}
[ -z "${macvlan}" ] && return 0
case " ${MODULES} " in
*" ifconfig "*)
eerror "sys-apps/iproute2 is required to configure MACVLANs"
return 1 ;;
esac
# optional mode, default to "private"
local mode=
eval mode=\$mode_${IFVAR}
[ -z "${mode}" ] && mode="private"
ebegin "Creating MAC-VLAN ${IFACE} to ${macvlan}"
e="$(ip link add link "${macvlan}" name "${IFACE}" type macvlan mode "${mode}" 2>&1 1>/dev/null)"
if [ -n "${e}" ]; then
eend 1 "${e}"
else
eend 0 && _up && service_set_value macvlan "${macvlan}"
fi
}
macvlan_post_stop()
{
_is_macvlan || return 0
ebegin "Removing MAC-VLAN ${IFACE}"
ip link delete "${IFACE}" type macvlan >/dev/null
eend $?
}