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" "${1##*\.}"
69 # sort the device list, drop duplicates
79 # Create the interface, if necessary.
80 # Return status 0 indicates that the setup_interface() call should continue
81 # Return status 1 means that everything is set up already.
89 # if we're called for the bridge interface itself, don't bother trying
90 # to create any interfaces here. The scripts have already done that, otherwise
91 # the bridge interface wouldn't exist.
92 [ "br-$config" = "$iface" -o -e "$iface" ] && return 0;
94 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
114 config_get iftype
"$config" type
115 config_get stp
"$config" stp
118 [ -x /usr
/sbin
/brctl
] && {
119 ifconfig
"br-$config" 2>/dev
/null
>/dev
/null
&& {
122 config_get devices
"$config" device
123 for dev
in $
(sort_list
"$devices" "$iface"); do
124 append newdevs
"$dev"
126 uci_set_state network
"$config" device
"$newdevs"
127 $DEBUG brctl addif
"br-$config" "$iface"
128 # Bridge existed already. No further processing necesary
130 $DEBUG brctl addbr
"br-$config"
131 $DEBUG brctl setfd
"br-$config" 0
132 $DEBUG ifconfig
"br-$config" up
133 $DEBUG brctl addif
"br-$config" "$iface"
134 $DEBUG brctl stp
"br-$config" ${stp:-off}
135 # Creating the bridge here will have triggered a hotplug event, which will
136 # result in another setup_interface() call, so we simply stop processing
137 # the current event at this point.
139 ifconfig
"$iface" up
2>/dev
/null
>/dev
/null
147 set_interface_ifname
() {
151 config_get device
"$1" device
152 uci_set_state network
"$config" ifname
"$ifname"
153 uci_set_state network
"$config" device
"$device"
156 setup_interface_none
() {
157 env
-i ACTION
="ifup" INTERFACE
="$2" DEVICE
="$1" PROTO
=none
/sbin
/hotplug-call
"iface" &
160 setup_interface_static
() {
164 config_get ipaddr
"$config" ipaddr
165 config_get netmask
"$config" netmask
166 config_get ip6addr
"$config" ip6addr
167 [ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1
169 config_get gateway
"$config" gateway
170 config_get ip6gw
"$config" ip6gw
171 config_get dns
"$config" dns
172 config_get bcast
"$config" broadcast
174 [ -z "$ipaddr" ] ||
$DEBUG ifconfig
"$iface" "$ipaddr" netmask
"$netmask" broadcast
"${bcast:-+}"
175 [ -z "$ip6addr" ] ||
$DEBUG ifconfig
"$iface" add
"$ip6addr"
176 [ -z "$gateway" ] ||
$DEBUG route add default gw
"$gateway" dev
"$iface"
177 [ -z "$ip6gw" ] ||
$DEBUG route
-A inet6 add default gw
"$ip6gw" dev
"$iface"
180 grep "$ns" /tmp
/resolv.conf.auto
2>/dev
/null
>/dev
/null ||
{
181 echo "nameserver $ns" >> /tmp
/resolv.conf.auto
186 config_get
type "$config" TYPE
187 [ "$type" = "alias" ] && return 0
189 env
-i ACTION
="ifup" INTERFACE
="$config" DEVICE
="$iface" PROTO
=static
/sbin
/hotplug-call
"iface" &
192 setup_interface_alias
() {
197 config_get cfg
"$config" interface
198 [ "$parent" == "$cfg" ] ||
return 0
201 config_get ctr
"$parent" alias_count
203 config_set
"$parent" alias_count
"$ctr"
206 config_get list
"$parent" aliases
207 append list
"$config"
208 config_set
"$parent" aliases
"$list"
210 set_interface_ifname
"$config" "$iface:$ctr"
211 config_get proto
"$config" proto
212 case "${proto:-static}" in
214 setup_interface_static
"$iface:$ctr" "$config"
217 echo "Unsupported type '$proto' for alias config '$config'"
231 [ -n "$config" ] ||
{
232 config
=$
(find_config
"$iface")
233 [ "$?" = 0 ] ||
return 1
235 proto
="${3:-$(config_get "$config" proto)}"
237 prepare_interface
"$iface" "$config" "$vifmac" ||
return 0
239 [ "$iface" = "br-$config" ] && {
240 # need to bring up the bridge and wait a second for
241 # it to switch to the 'forwarding' state, otherwise
242 # it will lose its routes...
247 # Check whether this interface has an IPv6 address
248 # defined and ensure that the kmod is loaded since
249 # ifup could be triggered before modules are loaded.
250 config_get hasipv6
"$config" ip6addr
251 [ -n "$hasipv6" ] && [ ! -d /proc
/sys
/net
/ipv6
] && {
252 grep -q '^ipv6' /etc
/modules.d
/* && insmod ipv6
256 config_get mtu
"$config" mtu
257 config_get macaddr
"$config" macaddr
258 grep "$iface:" /proc
/net
/dev
> /dev
/null
&& {
259 [ -n "$macaddr" ] && $DEBUG ifconfig
"$iface" down
260 $DEBUG ifconfig
"$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
262 set_interface_ifname
"$config" "$iface"
264 pidfile
="/var/run/$iface.pid"
267 setup_interface_static
"$iface" "$config"
270 # prevent udhcpc from starting more than once
271 lock
"/var/lock/dhcp-$iface"
272 pid
="$(cat "$pidfile" 2>/dev/null)"
273 if [ -d "/proc/$pid" ] && grep udhcpc
"/proc/${pid}/cmdline" >/dev
/null
2>/dev
/null
; then
274 lock
-u "/var/lock/dhcp-$iface"
277 config_get ipaddr
"$config" ipaddr
278 config_get netmask
"$config" netmask
279 config_get hostname
"$config" hostname
280 config_get proto1
"$config" proto
281 config_get clientid
"$config" clientid
283 [ -z "$ipaddr" ] || \
284 $DEBUG ifconfig
"$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
286 # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
287 [ .
"$proto1" != .
"$proto" ] && dhcpopts
="-n -q"
288 $DEBUG eval udhcpc
-t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -R &}
289 lock
-u "/var/lock/dhcp-$iface"
293 setup_interface_none
"$iface" "$config"
296 if ( eval "type setup_interface_$proto" ) >/dev
/null
2>/dev
/null
; then
297 eval "setup_interface_$proto '$iface' '$config' '$proto'"
299 echo "Interface type $proto not supported."
304 [ "$proto" = none
] ||
{
305 for ifn
in `ifconfig | grep "^$iface:" | awk '{print $1}'`; do
309 config_set
"$config" aliases
""
310 config_set
"$config" alias_count
0
311 config_foreach setup_interface_alias
alias "$config" "$iface"
312 config_get aliases
"$config" aliases
313 [ -z "$aliases" ] || uci_set_state network
"$config" aliases
"$aliases"
320 [ -x /usr
/sbin
/brctl
] ||
return 0
321 brctl show |
grep "$dev" >/dev
/null
&& {
322 # interface is still part of a bridge, correct that
324 for brdev
in $
(brctl show |
awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
325 brctl delif
"$brdev" "$dev" 2>/dev
/null
>/dev
/null