1 files changed, 108 insertions, 0 deletions
diff --git a/net.Linux/vlan.sh b/net.Linux/vlan.sh
new file mode 100644
index 00000000..fef4f2c5
--- /dev/null
+++ b/net.Linux/vlan.sh
@@ -0,0 +1,108 @@
+# 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="$_config_vars vlans"
+
+_is_vlan() {
+	[ ! -d /proc/net/vlan ] && return 1
+	grep -q "^${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/^\([^ \t]*\) *| '"${vlan}"' *| .*'"${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 :