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