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" = .
"$1" ] && {
27 local cfgfile
="${1:-network}"
32 config_set
"$2" auto
1
35 local iftype ifname device proto
36 config_get iftype
"$CONFIG_SECTION" TYPE
39 append interfaces
"$CONFIG_SECTION"
40 config_get proto
"$CONFIG_SECTION" proto
41 config_get iftype
"$CONFIG_SECTION" type
42 config_get ifname
"$CONFIG_SECTION" ifname
43 config_get device
"$CONFIG_SECTION" device
"$ifname"
44 config_set
"$CONFIG_SECTION" device
"$device"
47 config_set
"$CONFIG_SECTION" ifnames
"$device"
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}"
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" "${1##*\.}"
69 # sort the device list, drop duplicates
79 # Create the interface, if necessary.
80 # Return status 0 indicates that the setup_interface() call should continue
81 # Return status 1 means that everything is set up already.
88 # if we're called for the bridge interface itself, don't bother trying
89 # to create any interfaces here. The scripts have already done that, otherwise
90 # the bridge interface wouldn't exist.
91 [ "br-$config" = "$iface" -o -e "$iface" ] && return 0;
93 ifconfig
"$iface" 2>/dev
/null
>/dev
/null
&& {
95 config_get proto
"$config" proto
97 # make sure the interface is removed from any existing bridge and deconfigured,
98 # (deconfigured only if the interface is not set to proto=none)
100 [ "$proto" = none
] || ifconfig
"$iface" 0.0.0.0
102 # Change interface MAC address if requested
103 [ -n "$vifmac" ] && {
104 ifconfig
"$iface" down
105 ifconfig
"$iface" hw ether
"$vifmac" up
109 # Setup VLAN interfaces
110 add_vlan
"$iface" && return 1
111 ifconfig
"$iface" 2>/dev
/null
>/dev
/null ||
return 0
115 config_get iftype
"$config" type
118 [ -x /usr
/sbin
/brctl
] && {
119 ifconfig
"br-$config" 2>/dev
/null
>/dev
/null
&& {
120 local newdevs devices
121 config_get devices
"$config" device
122 for dev
in $
(sort_list
"$devices" "$iface"); do
123 append newdevs
"$dev"
125 uci_set_state network
"$config" device
"$newdevs"
126 $DEBUG ifconfig
"$iface" 0.0.0.0
127 $DEBUG brctl addif
"br-$config" "$iface"
128 # Bridge existed already. No further processing necesary
131 config_get_bool stp
"$config" stp
0
132 $DEBUG brctl addbr
"br-$config"
133 $DEBUG brctl setfd
"br-$config" 0
134 $DEBUG ifconfig
"br-$config" up
135 $DEBUG ifconfig
"$iface" 0.0.0.0
136 $DEBUG brctl addif
"br-$config" "$iface"
137 $DEBUG brctl stp
"br-$config" $stp
138 # Creating the bridge here will have triggered a hotplug event, which will
139 # result in another setup_interface() call, so we simply stop processing
140 # the current event at this point.
142 ifconfig
"$iface" up
2>/dev
/null
>/dev
/null
150 set_interface_ifname
() {
155 config_get device
"$1" device
156 uci_set_state network
"$config" ifname
"$ifname"
157 uci_set_state network
"$config" device
"$device"
160 setup_interface_none
() {
161 env
-i ACTION
="ifup" INTERFACE
="$2" DEVICE
="$1" PROTO
=none
/sbin
/hotplug-call
"iface" &
164 stop_interface_none
() {
165 env
-i ACTION
="ifdown" INTERFACE
="$2" DEVICE
="$1" PROTO
=none
/sbin
/hotplug-call
"iface" &
168 setup_interface_static
() {
172 local ipaddr netmask ip6addr
173 config_get ipaddr
"$config" ipaddr
174 config_get netmask
"$config" netmask
175 config_get ip6addr
"$config" ip6addr
176 [ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1
178 local gateway ip6gw dns bcast
179 config_get gateway
"$config" gateway
180 config_get ip6gw
"$config" ip6gw
181 config_get dns
"$config" dns
182 config_get bcast
"$config" broadcast
184 [ -z "$ipaddr" ] ||
$DEBUG ifconfig
"$iface" "$ipaddr" netmask
"$netmask" broadcast
"${bcast:-+}"
185 [ -z "$ip6addr" ] ||
$DEBUG ifconfig
"$iface" add
"$ip6addr"
186 [ -z "$gateway" ] ||
$DEBUG route add default gw
"$gateway" dev
"$iface"
187 [ -z "$ip6gw" ] ||
$DEBUG route
-A inet6 add default gw
"$ip6gw" dev
"$iface"
190 grep "$ns" /tmp
/resolv.conf.auto
2>/dev
/null
>/dev
/null ||
{
191 echo "nameserver $ns" >> /tmp
/resolv.conf.auto
196 config_get
type "$config" TYPE
197 [ "$type" = "alias" ] && return 0
199 env
-i ACTION
="ifup" INTERFACE
="$config" DEVICE
="$iface" PROTO
=static
/sbin
/hotplug-call
"iface" &
202 setup_interface_alias
() {
208 config_get cfg
"$config" interface
209 [ "$parent" == "$cfg" ] ||
return 0
213 config_get ctr
"$parent" alias_count
0
215 config_set
"$parent" alias_count
"$ctr"
219 config_get list
"$parent" aliases
220 append list
"$config"
221 config_set
"$parent" aliases
"$list"
224 set_interface_ifname
"$config" "$iface"
227 config_get proto
"$config" proto
"static"
230 setup_interface_static
"$iface" "$config"
233 echo "Unsupported type '$proto' for alias config '$config'"
240 local iface_main
="$1"
246 [ -n "$config" ] ||
{
247 config
=$
(find_config
"$iface_main")
248 [ "$?" = 0 ] ||
return 1
251 prepare_interface
"$iface_main" "$config" "$vifmac" ||
return 0
253 [ "$iface_main" = "br-$config" ] && {
254 # need to bring up the bridge and wait a second for
255 # it to switch to the 'forwarding' state, otherwise
256 # it will lose its routes...
257 ifconfig
"$iface_main" up
262 grep "$iface_main:" /proc
/net
/dev
> /dev
/null
&& {
264 config_get mtu
"$config" mtu
265 config_get macaddr
"$config" macaddr
266 [ -n "$macaddr" ] && $DEBUG ifconfig
"$iface_main" down
267 $DEBUG ifconfig
"$iface_main" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
269 set_interface_ifname
"$config" "$iface_main"
271 pidfile
="/var/run/$iface_main.pid"
272 [ -n "$proto" ] || config_get proto
"$config" proto
275 config_get ip6addr_main
"$config" ip6addr
276 setup_interface_static
"$iface_main" "$config"
279 # prevent udhcpc from starting more than once
280 lock
"/var/lock/dhcp-$iface_main"
281 local pid
="$(cat "$pidfile" 2>/dev/null)"
282 if [ -d "/proc/$pid" ] && grep udhcpc
"/proc/${pid}/cmdline" >/dev
/null
2>/dev
/null
; then
283 lock
-u "/var/lock/dhcp-$iface_main"
285 local ipaddr netmask hostname proto1 clientid
286 config_get ipaddr
"$config" ipaddr
287 config_get netmask
"$config" netmask
288 config_get hostname
"$config" hostname
289 config_get proto1
"$config" proto
290 config_get clientid
"$config" clientid
292 [ -z "$ipaddr" ] || \
293 $DEBUG ifconfig
"$iface_main" "$ipaddr" ${netmask:+netmask "$netmask"}
295 # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
297 [ .
"$proto1" != .
"$proto" ] && dhcpopts
="-n -q"
298 $DEBUG eval udhcpc
-t 0 -i "$iface_main" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -O rootpath -R &}
299 lock
-u "/var/lock/dhcp-$iface_main"
303 setup_interface_none
"$iface_main" "$config"
306 if ( eval "type setup_interface_$proto" ) >/dev
/null
2>/dev
/null
; then
307 eval "setup_interface_$proto '$iface_main' '$config' '$proto'"
309 echo "Interface type $proto not supported."
314 [ "$proto" = none
] ||
{
315 for ifn
in `ifconfig | grep "^$iface_main:" | awk '{print $1}'`; do
321 config_set
"$config" aliases
""
322 config_set
"$config" alias_count
0
323 config_foreach setup_interface_alias
alias "$config" "$iface_main"
324 config_get aliases
"$config" aliases
325 [ -z "$aliases" ] || uci_set_state network
"$config" aliases
"$aliases"
327 # put the ip6addr back to the beginning to become the main ip again
328 [ -z "$ip6addr_main" ] ||
{
329 $DEBUG ifconfig
"$iface_main" del
"$ip6addr_main"
330 $DEBUG ifconfig
"$iface_main" add
"$ip6addr_main"
338 [ -x /usr
/sbin
/brctl
] ||
return 0
339 brctl show |
grep "$dev" >/dev
/null
&& {
340 # interface is still part of a bridge, correct that
342 for brdev
in $
(brctl show |
awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
343 brctl delif
"$brdev" "$dev" 2>/dev
/null
>/dev
/null