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# Copyright 2004-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
vlan_depend() {
program /sbin/vconfig
after interface
before dhcp
}
_config_vars="$_config_vars vlans"
_is_vlan() {
[ ! -d /proc/net/vlan ] && return 1
[ -e /proc/net/vlan/"${IFACE}" ] && return 0
grep -Eq "^${IFACE}[[:space:]]+" /proc/net/vlan/config
}
_get_vlans() {
[ -e /proc/net/vlan/config ] || return 1
sed -n -e 's/^\(.*[0-9]\) \(.* \) .*'"${IFACE}"'$/\1/p' /proc/net/vlan/config
}
_check_vlan() {
if [ ! -d /proc/net/vlan ] ; then
modprobe 8021q
if [ ! -d /proc/net/vlan ] ; then
eerror "VLAN (802.1q) support is not present in this kernel"
return 1
fi
fi
}
vlan_pre_start() {
eval $(_get_array "vconfig_${IFVAR}")
[ $# = "0" ] && return 0
_check_vlan || return 1
_exists || return 1
local v= x= e=
for v in "$@" ; do
case "${v}" in
set_name_type" "*) x=${v} ;;
*) x="$(echo "${v}" | sed -e "s/ / ${IFACE} /g")"
[ "${x}" = "${v}" ] && x="${x} ${IFACE}"
;;
esac
set -x
e="$(vconfig ${x} 2>&1 1>/dev/null)"
set +x
[ -z "${e}" ] && continue
eerror "${e}"
return 1
done
}
vlan_post_start() {
eval $(_get_array "vlans_${IFVAR}")
[ $# = "0" ] && return 0
_check_vlan || return 1
_exists || return 1
local vlan= e= s=
for vlan in "$@" ; do
einfo "Adding VLAN ${vlan} to ${IFACE}"
e="$(vconfig add "${IFACE}" "${vlan}" 2>&1 1>/dev/null)"
if [ -n "${e}" ] ; then
eend 1 "${e}"
continue
fi
# We may not want to start the vlan ourselves
eval s=\$vlan_start_${IFVAR}
[ "${s:-yes}" != "yes" ] && continue
# We need to work out the interface name of our new vlan id
local ifname="$( \
sed -n -e 's/^\([^[:space:]]*\) *| '"${vlan}"' *| .*'"${iface}"'$/\1/p' \
/proc/net/vlan/config )"
mark_service_started "net.${ifname}"
(
export SVCNAME="net.${ifname}"
start
) || mark_service_stopped "net.${ifname}"
done
return 0
}
vlan_post_stop() {
local vlan=
for vlan in $(_get_vlans) ; do
einfo "Removing VLAN ${vlan##*.} from ${IFACE}"
(
export SVCNAME="net.${vlan}"
stop
) && {
mark_service_stopped "net.${vlan}"
vconfig rem "${vlan}" >/dev/null
}
done
return 0
}
# vim: set ts=4 :
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