119 lines
2.2 KiB
Bash
119 lines
2.2 KiB
Bash
# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
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# All rights reserved. Released under the 2-clause BSD license.
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vlan_depend()
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{
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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="$_config_vars vlans"
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_is_vlan()
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{
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[ ! -d /proc/net/vlan ] && return 1
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[ -e /proc/net/vlan/"${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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{
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[ -e /proc/net/vlan/config ] || return 1
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sed -n -e 's/^\W*\([^ ]*\) \(.* \) .*'"${IFACE}"'$/\1/p' /proc/net/vlan/config
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}
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_check_vlan()
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{
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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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{
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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 "${e}"
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return 1
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done
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}
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vlan_post_start()
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{
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local vlans=
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eval vlans=\$vlans_${IFVAR}
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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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yesno ${s:-yes} || continue
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# We need to work out the interface name of our new vlan id
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local ifname="$(sed -n -e \
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'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 RC_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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{
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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 ${IFACE}"
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(
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export RC_SVCNAME="net.${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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