136 lines
3.4 KiB
Bash
136 lines
3.4 KiB
Bash
# Copyright 2004-2007 Gentoo Foundation
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# Copyright 2007 Roy Marples
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# All rights reserved
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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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="$_config_vars vlans"
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_is_vlan() {
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[ ! -d /proc/net/vlan ] && return 1
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[ -e /proc/net/vlan/"${IFACE}" ] && return 0
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grep -Eq "^${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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local vc="$(_get_array "vconfig_${IFVAR}")"
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[ -z "${vc}" ] && return 0
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_check_vlan || return 1
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_exists || return 1
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local v= x= e=
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local IFS="$__IFS"
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for v in ${vc}; do
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unset IFS
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case "${v}" in
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set_name_type" "*) x=${v} ;;
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*)
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set -- ${v}
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x="$1 ${IFACE}"
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shift
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x="${x} $@"
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;;
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esac
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e="$(vconfig ${x} 2>&1 1>/dev/null)"
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[ -z "${e}" ] && continue
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eerror "${e}"
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return 1
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done
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}
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vlan_post_start() {
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local vlans=
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eval vlans=\$vlans_${IFACE}
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[ -z "${vlans}" ] && 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 ${vlans}; 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/^\([^[:space:]]*\) *| '"${vlan}"' *| .*'"${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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