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