2 # Copyright (C) 2006 OpenWrt.org
7 local iftype device iface ifaces ifn
8 for ifn
in $interfaces; do
9 config_get iftype
"$ifn" type
10 config_get iface
"$ifn" ifname
12 bridge
) config_get ifaces
"$ifn" ifnames
;;
14 config_get device
"$ifn" device
15 for ifc
in $device $iface $ifaces; do
16 [ .
"$ifc" = .
"$1" ] && {
28 local mode iftype iface ifname device
33 config_set
"$2" auto
1
36 config_get iftype
"$CONFIG_SECTION" TYPE
39 config_get proto
"$CONFIG_SECTION" proto
40 append interfaces
"$CONFIG_SECTION"
41 config_get iftype
"$CONFIG_SECTION" type
42 config_get ifname
"$CONFIG_SECTION" ifname
43 config_get device
"$CONFIG_SECTION" device
44 config_set
"$CONFIG_SECTION" device
"${device:-$ifname}"
47 config_set
"$CONFIG_SECTION" ifnames
"${device:-$ifname}"
48 config_set
"$CONFIG_SECTION" ifname br-
"$CONFIG_SECTION"
51 ( type "scan_$proto" ) >/dev
/null
2>/dev
/null
&& eval "scan_$proto '$CONFIG_SECTION'"
55 config_load
"${cfgfile:-network}"
61 [ "$1" = "$vif" ] || ifconfig
"$1" >/dev
/null
2>/dev
/null ||
{
62 ifconfig
"$vif" up
2>/dev
/null
>/dev
/null || add_vlan
"$vif"
63 $DEBUG vconfig add
"$vif" "${1##*\.}"
69 # sort the device list, drop duplicates
79 # Create the interface, if necessary.
80 # Return status 0 indicates that the setup_interface() call should continue
81 # Return status 1 means that everything is set up already.
87 # if we're called for the bridge interface itself, don't bother trying
88 # to create any interfaces here. The scripts have already done that, otherwise
89 # the bridge interface wouldn't exist.
90 [ "br-$config" = "$iface" -o -e "$iface" ] && return 0;
92 ifconfig
"$iface" 2>/dev
/null
>/dev
/null
&& {
93 # make sure the interface is removed from any existing bridge and deconfigured
94 ifconfig
"$iface" 0.0.0.0
98 # Setup VLAN interfaces
99 add_vlan
"$iface" && return 1
100 ifconfig
"$iface" 2>/dev
/null
>/dev
/null ||
return 0
103 config_get iftype
"$config" type
104 config_get stp
"$config" stp
107 [ -x /usr
/sbin
/brctl
] && {
108 ifconfig
"br-$config" 2>/dev
/null
>/dev
/null
&& {
111 config_get devices
"$config" device
112 for dev
in $
(sort_list
"$devices" "$iface"); do
113 append newdevs
"$dev"
115 uci_set_state network
"$config" device
"$newdevs"
116 $DEBUG brctl addif
"br-$config" "$iface"
117 # Bridge existed already. No further processing necesary
119 $DEBUG brctl addbr
"br-$config"
120 $DEBUG brctl setfd
"br-$config" 0
121 $DEBUG ifconfig
"br-$config" up
122 $DEBUG brctl addif
"br-$config" "$iface"
123 $DEBUG brctl stp
"br-$config" ${stp:-0}
124 # Creating the bridge here will have triggered a hotplug event, which will
125 # result in another setup_interface() call, so we simply stop processing
126 # the current event at this point.
128 ifconfig
"$iface" up
2>/dev
/null
>/dev
/null
136 set_interface_ifname
() {
140 config_get device
"$1" device
141 uci_set_state network
"$config" ifname
"$ifname"
142 uci_set_state network
"$config" device
"$device"
145 setup_interface_none
() {
146 env
-i ACTION
="ifup" INTERFACE
="$2" DEVICE
="$1" PROTO
=none
/sbin
/hotplug-call
"iface" &
149 setup_interface_static
() {
153 config_get ipaddr
"$config" ipaddr
154 config_get netmask
"$config" netmask
155 config_get ip6addr
"$config" ip6addr
156 [ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1
158 config_get gateway
"$config" gateway
159 config_get ip6gw
"$config" ip6gw
160 config_get dns
"$config" dns
161 config_get bcast
"$config" broadcast
163 [ -z "$ipaddr" ] ||
$DEBUG ifconfig
"$iface" "$ipaddr" netmask
"$netmask" broadcast
"${bcast:-+}"
164 [ -z "$ip6addr" ] ||
$DEBUG ifconfig
"$iface" add
"$ip6addr"
165 [ -z "$gateway" ] ||
$DEBUG route add default gw
"$gateway" dev
"$iface"
166 [ -z "$ip6gw" ] ||
$DEBUG route
-A inet6 add default gw
"$ip6gw" dev
"$iface"
169 grep "$ns" /tmp
/resolv.conf.auto
2>/dev
/null
>/dev
/null ||
{
170 echo "nameserver $ns" >> /tmp
/resolv.conf.auto
175 env
-i ACTION
="ifup" INTERFACE
="$config" DEVICE
="$iface" PROTO
=static
/sbin
/hotplug-call
"iface" &
178 setup_interface_alias
() {
183 config_get cfg
"$config" interface
184 [ "$parent" == "$cfg" ] ||
return 0
187 config_get ctr
"$parent" alias_count
189 config_set
"$parent" alias_count
"$ctr"
192 config_get list
"$parent" aliases
193 append list
"$config"
194 config_set
"$parent" aliases
"$list"
196 set_interface_ifname
"$config" "$iface:$ctr"
197 config_get proto
"$config" proto
198 case "${proto:-static}" in
200 setup_interface_static
"$iface:$ctr" "$config"
203 echo "Unsupported type '$proto' for alias config '$config'"
215 [ -n "$config" ] ||
{
216 config
=$
(find_config
"$iface")
217 [ "$?" = 0 ] ||
return 1
219 proto
="${3:-$(config_get "$config" proto)}"
221 prepare_interface
"$iface" "$config" ||
return 0
223 [ "$iface" = "br-$config" ] && {
224 # need to bring up the bridge and wait a second for
225 # it to switch to the 'forwarding' state, otherwise
226 # it will lose its routes...
232 config_get mtu
"$config" mtu
233 config_get macaddr
"$config" macaddr
234 grep "$iface:" /proc
/net
/dev
> /dev
/null
&& \
235 $DEBUG ifconfig
"$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
236 set_interface_ifname
"$config" "$iface"
238 pidfile
="/var/run/$iface.pid"
241 setup_interface_static
"$iface" "$config"
244 # prevent udhcpc from starting more than once
245 lock
"/var/lock/dhcp-$iface"
246 pid
="$(cat "$pidfile" 2>/dev/null)"
247 if [ -d "/proc/$pid" ] && grep udhcpc
"/proc/${pid}/cmdline" >/dev
/null
2>/dev
/null
; then
248 lock
-u "/var/lock/dhcp-$iface"
251 config_get ipaddr
"$config" ipaddr
252 config_get netmask
"$config" netmask
253 config_get hostname
"$config" hostname
254 config_get proto1
"$config" proto
255 config_get clientid
"$config" clientid
257 [ -z "$ipaddr" ] || \
258 $DEBUG ifconfig
"$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
260 # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
261 [ .
"$proto1" != .
"$proto" ] && dhcpopts
="-n -q"
262 $DEBUG eval udhcpc
-t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -R &}
263 lock
-u "/var/lock/dhcp-$iface"
267 setup_interface_none
"$iface" "$config"
270 if ( eval "type setup_interface_$proto" ) >/dev
/null
2>/dev
/null
; then
271 eval "setup_interface_$proto '$iface' '$config' '$proto'"
273 echo "Interface type $proto not supported."
278 config_set
"$config" aliases
""
279 config_set
"$config" alias_count
0
280 config_foreach setup_interface_alias
alias "$config" "$iface"
281 config_get aliases
"$config" aliases
282 [ -z "$aliases" ] || uci_set_state network
"$config" aliases
"$aliases"
289 [ -x /usr
/sbin
/brctl
] ||
return 0
290 brctl show |
grep "$dev" >/dev
/null
&& {
291 # interface is still part of a bridge, correct that
293 for brdev
in $
(brctl show |
awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
294 brctl delif
"$brdev" "$dev" 2>/dev
/null
>/dev
/null