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-rw-r--r--netifd/files/etc/hotplug.d/iface/00-netstate6
-rw-r--r--netifd/files/etc/hotplug.d/net/20-smp-tune67
-rwxr-xr-xnetifd/files/etc/init.d/network149
-rwxr-xr-xnetifd/files/lib/netifd/dhcp.script110
-rwxr-xr-xnetifd/files/lib/netifd/proto/dhcp.sh88
-rwxr-xr-xnetifd/files/lib/network/config.sh76
-rwxr-xr-xnetifd/files/sbin/devstatus12
l---------netifd/files/sbin/ifdown1
-rwxr-xr-xnetifd/files/sbin/ifstatus13
-rwxr-xr-xnetifd/files/sbin/ifup77
-rwxr-xr-xnetifd/files/usr/share/udhcpc/default.script57
11 files changed, 656 insertions, 0 deletions
diff --git a/netifd/files/etc/hotplug.d/iface/00-netstate b/netifd/files/etc/hotplug.d/iface/00-netstate
new file mode 100644
index 0000000..71ccb01
--- /dev/null
+++ b/netifd/files/etc/hotplug.d/iface/00-netstate
@@ -0,0 +1,6 @@
+[ ifup = "$ACTION" ] && {
+ uci_toggle_state network "$INTERFACE" up 1
+ [ -n "$DEVICE" ] && {
+ uci_toggle_state network "$INTERFACE" ifname "$DEVICE"
+ }
+}
diff --git a/netifd/files/etc/hotplug.d/net/20-smp-tune b/netifd/files/etc/hotplug.d/net/20-smp-tune
new file mode 100644
index 0000000..ab9a904
--- /dev/null
+++ b/netifd/files/etc/hotplug.d/net/20-smp-tune
@@ -0,0 +1,67 @@
+#!/bin/sh
+[ "$ACTION" = add ] || exit
+
+NPROCS="$(grep -c "^processor.*:" /proc/cpuinfo)"
+[ "$NPROCS" -gt 1 ] || exit
+
+PROC_MASK="$(( (1 << $NPROCS) - 1 ))"
+
+find_irq_cpu() {
+ local dev="$1"
+ local match="$(grep -m 1 "$dev\$" /proc/interrupts)"
+ local cpu=0
+
+ [ -n "$match" ] && {
+ set -- $match
+ shift
+ for cur in `seq 1 $NPROCS`; do
+ [ "$1" -gt 0 ] && {
+ cpu=$(($cur - 1))
+ break
+ }
+ shift
+ done
+ }
+
+ echo "$cpu"
+}
+
+set_hex_val() {
+ local file="$1"
+ local val="$2"
+ val="$(printf %x "$val")"
+ [ -n "$DEBUG" ] && echo "$file = $val"
+ echo "$val" > "$file"
+}
+
+default_ps="$(uci get "network.@globals[0].default_ps")"
+[ -n "$default_ps" -a "$default_ps" != 1 ] && exit 0
+
+exec 512>/var/lock/smp_tune.lock
+flock 512 || exit 1
+
+for dev in /sys/class/net/*; do
+ [ -d "$dev" ] || continue
+
+ # ignore virtual interfaces
+ [ -n "$(ls "${dev}/" | grep '^lower_')" ] && continue
+ [ -d "${dev}/device" ] || continue
+
+ device="$(readlink "${dev}/device")"
+ device="$(basename "$device")"
+ irq_cpu="$(find_irq_cpu "$device")"
+ irq_cpu_mask="$((1 << $irq_cpu))"
+
+ for q in ${dev}/queues/rx-*; do
+ set_hex_val "$q/rps_cpus" "$(($PROC_MASK & ~$irq_cpu_mask))"
+ done
+
+ ntxq="$(ls -d ${dev}/queues/tx-* | wc -l)"
+
+ idx=$(($irq_cpu + 1))
+ for q in ${dev}/queues/tx-*; do
+ set_hex_val "$q/xps_cpus" "$((1 << $idx))"
+ let "idx = idx + 1"
+ [ "$idx" -ge "$NPROCS" ] && idx=0
+ done
+done
diff --git a/netifd/files/etc/init.d/network b/netifd/files/etc/init.d/network
new file mode 100755
index 0000000..2321a30
--- /dev/null
+++ b/netifd/files/etc/init.d/network
@@ -0,0 +1,149 @@
+#!/bin/sh /etc/rc.common
+
+START=20
+STOP=90
+
+USE_PROCD=1
+
+init_switch() {
+ setup_switch() { return 0; }
+
+ include /lib/network
+ setup_switch
+}
+
+start_service() {
+ init_switch
+
+ procd_open_instance
+ procd_set_param command /sbin/netifd
+ procd_set_param respawn
+ procd_set_param watch network.interface
+ [ -e /proc/sys/kernel/core_pattern ] && {
+ procd_set_param limits core="unlimited"
+ }
+ procd_close_instance
+}
+
+reload_service() {
+ local rv=0
+
+ init_switch
+ ubus call network reload || rv=1
+ /sbin/wifi reload_legacy
+ return $rv
+}
+
+stop_service() {
+ /sbin/wifi down
+ ifdown -a
+ sleep 1
+}
+
+service_running() {
+ ubus -t 30 wait_for network.interface
+ /sbin/wifi reload_legacy
+}
+
+validate_atm_bridge_section()
+{
+ uci_validate_section network "atm-bridge" "${1}" \
+ 'unit:uinteger:0' \
+ 'vci:range(32, 65535):35' \
+ 'vpi:range(0, 255):8' \
+ 'atmdev:uinteger:0' \
+ 'encaps:or("llc", "vc"):llc' \
+ 'payload:or("bridged", "routed"):bridged'
+}
+
+validate_route_section()
+{
+ uci_validate_section network route "${1}" \
+ 'interface:string' \
+ 'target:cidr4' \
+ 'netmask:netmask4' \
+ 'gateway:ip4addr' \
+ 'metric:uinteger' \
+ 'mtu:uinteger' \
+ 'table:or(range(0,65535),string)'
+}
+
+validate_route6_section()
+{
+ uci_validate_section network route6 "${1}" \
+ 'interface:string' \
+ 'target:cidr6' \
+ 'gateway:ip6addr' \
+ 'metric:uinteger' \
+ 'mtu:uinteger' \
+ 'table:or(range(0,65535),string)'
+}
+
+validate_rule_section()
+{
+ uci_validate_section network rule "${1}" \
+ 'in:string' \
+ 'out:string' \
+ 'src:cidr4' \
+ 'dest:cidr4' \
+ 'tos:range(0,31)' \
+ 'mark:string' \
+ 'invert:bool' \
+ 'lookup:or(range(0,65535),string)' \
+ 'goto:range(0,65535)' \
+ 'action:or("prohibit", "unreachable", "blackhole", "throw")'
+}
+
+validate_rule6_section()
+{
+ uci_validate_section network rule6 "${1}" \
+ 'in:string' \
+ 'out:string' \
+ 'src:cidr6' \
+ 'dest:cidr6' \
+ 'tos:range(0,31)' \
+ 'mark:string' \
+ 'invert:bool' \
+ 'lookup:or(range(0,65535),string)' \
+ 'goto:range(0,65535)' \
+ 'action:or("prohibit", "unreachable", "blackhole", "throw")'
+}
+
+validate_switch_section()
+{
+ uci_validate_section network switch "${1}" \
+ 'name:string' \
+ 'enable:bool' \
+ 'enable_vlan:bool' \
+ 'reset:bool' \
+ 'ar8xxx_mib_poll_interval:uinteger' \
+ 'ar8xxx_mib_type:range(0,1)'
+}
+
+validate_switch_vlan()
+{
+ uci_validate_section network switch_vlan "${1}" \
+ 'device:string' \
+ 'vlan:uinteger' \
+ 'ports:list(ports)'
+}
+
+service_triggers()
+{
+ procd_add_reload_trigger network wireless
+
+ procd_open_validate
+ validate_atm_bridge_section
+ validate_route_section
+ [ -e /proc/sys/net/ipv6 ] && validate_route6_section
+ validate_rule_section
+ [ -e /proc/sys/net/ipv6 ] && validate_rule6_section
+ validate_switch_section
+ validate_switch_vlan
+ procd_close_validate
+}
+
+shutdown() {
+ ifdown -a
+ sleep 1
+}
diff --git a/netifd/files/lib/netifd/dhcp.script b/netifd/files/lib/netifd/dhcp.script
new file mode 100755
index 0000000..00604f4
--- /dev/null
+++ b/netifd/files/lib/netifd/dhcp.script
@@ -0,0 +1,110 @@
+#!/bin/sh
+[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
+
+. /lib/functions.sh
+. /lib/netifd/netifd-proto.sh
+
+set_classless_routes() {
+ local max=128
+ while [ -n "$1" -a -n "$2" -a $max -gt 0 ]; do
+ proto_add_ipv4_route "${1%%/*}" "${1##*/}" "$2" "$ip"
+ max=$(($max-1))
+ shift 2
+ done
+}
+
+setup_interface () {
+ proto_init_update "*" 1
+ proto_add_ipv4_address "$ip" "${subnet:-255.255.255.0}"
+ # TODO: apply $broadcast
+
+ local ip_net
+ eval "$(ipcalc.sh "$ip/$mask")";ip_net="$NETWORK"
+
+ local i
+ for i in $router; do
+ local gw_net
+ eval "$(ipcalc.sh "$i/$mask")";gw_net="$NETWORK"
+
+ [ "$ip_net" != "$gw_net" ] && proto_add_ipv4_route "$i" 32 "" "$ip"
+ proto_add_ipv4_route 0.0.0.0 0 "$i" "$ip"
+
+ local r
+ for r in $CUSTOMROUTES; do
+ proto_add_ipv4_route "${r%%/*}" "${r##*/}" "$i" "$ip"
+ done
+ done
+
+ # CIDR STATIC ROUTES (rfc3442)
+ [ -n "$staticroutes" ] && set_classless_routes $staticroutes
+ [ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
+
+ for i in $dns; do
+ proto_add_dns_server "$i"
+ done
+ for i in $domain; do
+ proto_add_dns_search "$i"
+ done
+
+ proto_add_data
+ [ -n "$ZONE" ] && json_add_string zone "$ZONE"
+ [ -n "$ntpsrv" ] && json_add_string ntpserver "$ntpsrv"
+ [ -n "$timesvr" ] && json_add_string timeserver "$timesvr"
+ [ -n "$hostname" ] && json_add_string hostname "$hostname"
+ [ -n "$message" ] && json_add_string message "$message"
+ [ -n "$timezone" ] && json_add_int timezone "$timezone"
+ [ -n "$lease" ] && json_add_int leasetime "$lease"
+ proto_close_data
+
+ proto_send_update "$INTERFACE"
+
+
+ if [ "$IFACE6RD" != 0 -a -n "$ip6rd" ]; then
+ local v4mask="${ip6rd%% *}"
+ ip6rd="${ip6rd#* }"
+ local ip6rdprefixlen="${ip6rd%% *}"
+ ip6rd="${ip6rd#* }"
+ local ip6rdprefix="${ip6rd%% *}"
+ ip6rd="${ip6rd#* }"
+ local ip6rdbr="${ip6rd%% *}"
+
+ [ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE 2>/dev/null)
+ [ -z "$IFACE6RD" -o "$IFACE6RD" = 1 ] && IFACE6RD=${INTERFACE}_6
+
+ json_init
+ json_add_string name "$IFACE6RD"
+ json_add_string ifname "@$INTERFACE"
+ json_add_string proto "6rd"
+ json_add_string peeraddr "$ip6rdbr"
+ json_add_int ip4prefixlen "$v4mask"
+ json_add_string ip6prefix "$ip6rdprefix"
+ json_add_int ip6prefixlen "$ip6rdprefixlen"
+ json_add_string tunlink "$INTERFACE"
+ [ -n "$IFACE6RD_DELEGATE" ] && json_add_boolean delegate "$IFACE6RD_DELEGATE"
+ [ -n "$ZONE6RD" ] || ZONE6RD=$ZONE
+ [ -n "$ZONE6RD" ] && json_add_string zone "$ZONE6RD"
+ [ -n "$MTU6RD" ] && json_add_string mtu "$MTU6RD"
+ json_close_object
+
+ ubus call network add_dynamic "$(json_dump)"
+ fi
+}
+
+deconfig_interface() {
+ proto_init_update "*" 0
+ proto_send_update "$INTERFACE"
+}
+
+case "$1" in
+ deconfig)
+ deconfig_interface
+ ;;
+ renew|bound)
+ setup_interface
+ ;;
+esac
+
+# user rules
+[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user "$@"
+
+exit 0
diff --git a/netifd/files/lib/netifd/proto/dhcp.sh b/netifd/files/lib/netifd/proto/dhcp.sh
new file mode 100755
index 0000000..0d06eba
--- /dev/null
+++ b/netifd/files/lib/netifd/proto/dhcp.sh
@@ -0,0 +1,88 @@
+#!/bin/sh
+
+[ -L /sbin/udhcpc ] || exit 0
+
+. /lib/functions.sh
+. ../netifd-proto.sh
+init_proto "$@"
+
+proto_dhcp_init_config() {
+ renew_handler=1
+
+ proto_config_add_string 'ipaddr:ipaddr'
+ proto_config_add_string 'hostname:hostname'
+ proto_config_add_string clientid
+ proto_config_add_string vendorid
+ proto_config_add_boolean 'broadcast:bool'
+ proto_config_add_boolean 'release:bool'
+ proto_config_add_string 'reqopts:list(string)'
+ proto_config_add_boolean 'defaultreqopts:bool'
+ proto_config_add_string iface6rd
+ proto_config_add_array 'sendopts:list(string)'
+ proto_config_add_boolean delegate
+ proto_config_add_string zone6rd
+ proto_config_add_string zone
+ proto_config_add_string mtu6rd
+ proto_config_add_string customroutes
+ proto_config_add_boolean classlessroute
+}
+
+proto_dhcp_add_sendopts() {
+ [ -n "$1" ] && append "$3" "-x $1"
+}
+
+proto_dhcp_setup() {
+ local config="$1"
+ local iface="$2"
+
+ local ipaddr hostname clientid vendorid broadcast release reqopts defaultreqopts iface6rd sendopts delegate zone6rd zone mtu6rd customroutes classlessroute
+ json_get_vars ipaddr hostname clientid vendorid broadcast release reqopts defaultreqopts iface6rd delegate zone6rd zone mtu6rd customroutes classlessroute
+
+ local opt dhcpopts
+ for opt in $reqopts; do
+ append dhcpopts "-O $opt"
+ done
+
+ json_for_each_item proto_dhcp_add_sendopts sendopts dhcpopts
+
+ [ -z "$hostname" ] && hostname="$(cat /proc/sys/kernel/hostname)"
+ [ "$hostname" = "*" ] && hostname=
+
+ [ "$defaultreqopts" = 0 ] && defaultreqopts="-o" || defaultreqopts=
+ [ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
+ [ "$release" = 1 ] && release="-R" || release=
+ [ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
+ [ -n "$iface6rd" ] && proto_export "IFACE6RD=$iface6rd"
+ [ "$iface6rd" != 0 -a -f /lib/netifd/proto/6rd.sh ] && append dhcpopts "-O 212"
+ [ -n "$zone6rd" ] && proto_export "ZONE6RD=$zone6rd"
+ [ -n "$zone" ] && proto_export "ZONE=$zone"
+ [ -n "$mtu6rd" ] && proto_export "MTU6RD=$mtu6rd"
+ [ -n "$customroutes" ] && proto_export "CUSTOMROUTES=$customroutes"
+ [ "$delegate" = "0" ] && proto_export "IFACE6RD_DELEGATE=0"
+ # Request classless route option (see RFC 3442) by default
+ [ "$classlessroute" = "0" ] || append dhcpopts "-O 121"
+
+ proto_export "INTERFACE=$config"
+ proto_run_command "$config" udhcpc \
+ -p /var/run/udhcpc-$iface.pid \
+ -s /lib/netifd/dhcp.script \
+ -f -t 0 -i "$iface" \
+ ${ipaddr:+-r $ipaddr} \
+ ${hostname:+-x "hostname:$hostname"} \
+ ${vendorid:+-V "$vendorid"} \
+ $clientid $defaultreqopts $broadcast $release $dhcpopts
+}
+
+proto_dhcp_renew() {
+ local interface="$1"
+ # SIGUSR1 forces udhcpc to renew its lease
+ local sigusr1="$(kill -l SIGUSR1)"
+ [ -n "$sigusr1" ] && proto_kill_command "$interface" $sigusr1
+}
+
+proto_dhcp_teardown() {
+ local interface="$1"
+ proto_kill_command "$interface"
+}
+
+add_protocol dhcp
diff --git a/netifd/files/lib/network/config.sh b/netifd/files/lib/network/config.sh
new file mode 100755
index 0000000..0ded45e
--- /dev/null
+++ b/netifd/files/lib/network/config.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+# Copyright (C) 2011 OpenWrt.org
+
+. /usr/share/libubox/jshn.sh
+
+find_config() {
+ local device="$1"
+ local ifdev ifl3dev ifobj
+ for ifobj in `ubus list network.interface.\*`; do
+ interface="${ifobj##network.interface.}"
+ (
+ json_load "$(ifstatus $interface)"
+ json_get_var ifdev device
+ json_get_var ifl3dev l3_device
+ if [[ "$device" = "$ifdev" ]] || [[ "$device" = "$ifl3dev" ]]; then
+ echo "$interface"
+ exit 0
+ else
+ exit 1
+ fi
+ ) && return
+ done
+}
+
+unbridge() {
+ return
+}
+
+ubus_call() {
+ json_init
+ local _data="$(ubus -S call "$1" "$2")"
+ [ -z "$_data" ] && return 1
+ json_load "$_data"
+ return 0
+}
+
+
+fixup_interface() {
+ local config="$1"
+ local ifname type device l3dev
+
+ config_get type "$config" type
+ config_get ifname "$config" ifname
+ [ "bridge" = "$type" ] && ifname="br-$config"
+ ubus_call "network.interface.$config" status || return 0
+ json_get_var l3dev l3_device
+ [ -n "$l3dev" ] && ifname="$l3dev"
+ json_init
+ config_set "$config" ifname "$ifname"
+}
+
+scan_interfaces() {
+ config_load network
+ config_foreach fixup_interface interface
+}
+
+prepare_interface_bridge() {
+ local config="$1"
+
+ [ -n "$config" ] || return 0
+ ubus call network.interface."$config" prepare
+}
+
+setup_interface() {
+ local iface="$1"
+ local config="$2"
+
+ [ -n "$config" ] || return 0
+ ubus call network.interface."$config" add_device "{ \"name\": \"$iface\" }"
+}
+
+do_sysctl() {
+ [ -n "$2" ] && \
+ sysctl -n -e -w "$1=$2" >/dev/null || \
+ sysctl -n -e "$1"
+}
diff --git a/netifd/files/sbin/devstatus b/netifd/files/sbin/devstatus
new file mode 100755
index 0000000..3c35b26
--- /dev/null
+++ b/netifd/files/sbin/devstatus
@@ -0,0 +1,12 @@
+#!/bin/sh
+. /usr/share/libubox/jshn.sh
+DEVICE="$1"
+
+[ -n "$DEVICE" ] || {
+ echo "Usage: $0 <device>"
+ exit 1
+}
+
+json_init
+json_add_string name "$DEVICE"
+ubus call network.device status "$(json_dump)"
diff --git a/netifd/files/sbin/ifdown b/netifd/files/sbin/ifdown
new file mode 120000
index 0000000..a0e5c17
--- /dev/null
+++ b/netifd/files/sbin/ifdown
@@ -0,0 +1 @@
+ifup \ No newline at end of file
diff --git a/netifd/files/sbin/ifstatus b/netifd/files/sbin/ifstatus
new file mode 100755
index 0000000..8a951e6
--- /dev/null
+++ b/netifd/files/sbin/ifstatus
@@ -0,0 +1,13 @@
+#!/bin/sh
+INTERFACE="$1"
+
+[ -n "$INTERFACE" ] || {
+ echo "Usage: $0 <interface>"
+ exit 1
+}
+
+ubus -S list "network.interface.$INTERFACE" >/dev/null || {
+ echo "Interface $INTERFACE not found"
+ exit 1
+}
+ubus call network.interface status "{ \"interface\" : \"$INTERFACE\" }"
diff --git a/netifd/files/sbin/ifup b/netifd/files/sbin/ifup
new file mode 100755
index 0000000..5515b91
--- /dev/null
+++ b/netifd/files/sbin/ifup
@@ -0,0 +1,77 @@
+#!/bin/sh
+
+ifup_all=
+setup_wifi=
+
+if_call() {
+ local interface="$1"
+ for mode in $modes; do
+ ubus call network.interface $mode "{ \"interface\" : \"$interface\" }"
+ done
+}
+
+case "$0" in
+ *ifdown) modes=down;;
+ *ifup)
+ modes="down up"
+ setup_wifi=1
+ ;;
+ *) echo "Invalid command: $0";;
+esac
+
+while :; do
+ case "$1" in
+ -a)
+ ifup_all=1
+ shift
+ ;;
+ -w)
+ setup_wifi=
+ shift
+ ;;
+ *)
+ break
+ ;;
+ esac
+done
+
+[ "$modes" = "down up" ] && ubus call network reload
+if [ -n "$ifup_all" ]; then
+ for interface in `ubus -S list 'network.interface.*'`; do
+ if_call "${interface##network.interface.}"
+ done
+ [ -n "$setup_wifi" ] && /sbin/wifi up
+ exit
+else
+ ubus -S list "network.interface.$1" > /dev/null || {
+ echo "Interface $1 not found"
+ exit
+ }
+ if_call "$1"
+fi
+
+if [ -n "$setup_wifi" ] && grep -sq config /etc/config/wireless; then
+ . /lib/functions.sh
+
+ find_related_radios() {
+ local wdev wnet
+ config_get wdev "$1" device
+ config_get wnet "$1" network
+
+ if [ -n "$wdev" ]; then
+ for wnet in $wnet; do
+ if [ "$wnet" = "$network" ]; then
+ append radio_devs "$wdev" "$N"
+ fi
+ done
+ fi
+ }
+
+ network="$1"
+ config_load wireless
+ config_foreach find_related_radios wifi-iface
+
+ for dev in $(echo "$radio_devs" | sort -u); do
+ /sbin/wifi up "$dev"
+ done
+fi
diff --git a/netifd/files/usr/share/udhcpc/default.script b/netifd/files/usr/share/udhcpc/default.script
new file mode 100755
index 0000000..ac765a6
--- /dev/null
+++ b/netifd/files/usr/share/udhcpc/default.script
@@ -0,0 +1,57 @@
+#!/bin/sh
+[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
+
+set_classless_routes() {
+ local max=128
+ local type
+ while [ -n "$1" -a -n "$2" -a $max -gt 0 ]; do
+ [ ${1##*/} -eq 32 ] && type=host || type=net
+ echo "udhcpc: adding route for $type $1 via $2"
+ route add -$type "$1" gw "$2" dev "$interface"
+ max=$(($max-1))
+ shift 2
+ done
+}
+
+setup_interface() {
+ echo "udhcpc: ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}"
+ ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}
+
+ [ -n "$router" ] && [ "$router" != "0.0.0.0" ] && [ "$router" != "255.255.255.255" ] && {
+ echo "udhcpc: setting default routers: $router"
+
+ local valid_gw=""
+ for i in $router ; do
+ route add default gw $i dev $interface
+ valid_gw="${valid_gw:+$valid_gw|}$i"
+ done
+
+ eval $(route -n | awk '
+ /^0.0.0.0\W{9}('$valid_gw')\W/ {next}
+ /^0.0.0.0/ {print "route del -net "$1" gw "$2";"}
+ ')
+ }
+
+ # CIDR STATIC ROUTES (rfc3442)
+ [ -n "$staticroutes" ] && set_classless_routes $staticroutes
+ [ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
+}
+
+
+applied=
+case "$1" in
+ deconfig)
+ ifconfig "$interface" 0.0.0.0
+ ;;
+ renew)
+ setup_interface update
+ ;;
+ bound)
+ setup_interface ifup
+ ;;
+esac
+
+# user rules
+[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
+
+exit 0