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" "${1##*\.}"
67 # sort the device list, drop duplicates
77 # Create the interface, if necessary.
78 # Return status 0 indicates that the setup_interface() call should continue
79 # Return status 1 means that everything is set up already.
85 # if we're called for the bridge interface itself, don't bother trying
86 # to create any interfaces here. The scripts have already done that, otherwise
87 # the bridge interface wouldn't exist.
88 [ "br-$config" = "$iface" -o -e "$iface" ] && return 0;
90 ifconfig
"$iface" 2>/dev
/null
>/dev
/null
&& {
91 # make sure the interface is removed from any existing bridge and brought down
92 ifconfig
"$iface" down
96 # Setup VLAN interfaces
98 ifconfig
"$iface" 2>/dev
/null
>/dev
/null ||
return 0
101 config_get iftype
"$config" type
102 config_get stp
"$config" stp
105 [ -x /usr
/sbin
/brctl
] && {
106 ifconfig
"br-$config" 2>/dev
/null
>/dev
/null
&& {
109 config_get devices
"$config" device
110 for dev
in $
(sort_list
"$devices" "$iface"); do
111 append newdevs
"$dev"
113 uci_set_state network
"$config" device
"$newdevs"
114 $DEBUG brctl addif
"br-$config" "$iface"
115 # Bridge existed already. No further processing necesary
117 $DEBUG brctl addbr
"br-$config"
118 $DEBUG brctl setfd
"br-$config" 0
119 $DEBUG ifconfig
"br-$config" up
120 $DEBUG brctl addif
"br-$config" "$iface"
121 $DEBUG brctl stp
"br-$config" ${stp:-off}
122 # Creating the bridge here will have triggered a hotplug event, which will
123 # result in another setup_interface() call, so we simply stop processing
124 # the current event at this point.
126 ifconfig
"$iface" up
2>/dev
/null
>/dev
/null
134 set_interface_ifname
() {
138 config_get device
"$1" device
139 uci_set_state network
"$config" ifname
"$ifname"
140 uci_set_state network
"$config" device
"$device"
149 [ -n "$config" ] ||
{
150 config
=$
(find_config
"$iface")
151 [ "$?" = 0 ] ||
return 1
153 proto
="${3:-$(config_get "$config" proto)}"
155 prepare_interface
"$iface" "$config" ||
return 0
157 [ "$iface" = "br-$config" ] && {
158 # need to bring up the bridge and wait a second for
159 # it to switch to the 'forwarding' state, otherwise
160 # it will lose its routes...
166 config_get mtu
"$config" mtu
167 config_get macaddr
"$config" macaddr
168 grep "$iface:" /proc
/net
/dev
> /dev
/null
&& \
169 $DEBUG ifconfig
"$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
170 set_interface_ifname
"$config" "$iface"
172 pidfile
="/var/run/$iface.pid"
175 config_get ipaddr
"$config" ipaddr
176 config_get netmask
"$config" netmask
177 config_get ip6addr
"$config" ip6addr
178 [ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1
180 config_get gateway
"$config" gateway
181 config_get ip6gw
"$config" ip6gw
182 config_get dns
"$config" dns
183 config_get bcast
"$config" broadcast
185 [ -z "$ipaddr" ] ||
$DEBUG ifconfig
"$iface" "$ipaddr" netmask
"$netmask" broadcast
"${bcast:-+}"
186 [ -z "$ip6addr" ] ||
$DEBUG ifconfig
"$iface" add
"$ip6addr"
187 [ -z "$gateway" ] ||
$DEBUG route add default gw
"$gateway" dev
"$iface"
188 [ -z "$ip6gw" ] ||
$DEBUG route
-A inet6 add default gw
"$ip6gw" dev
"$iface"
191 grep "$ns" /tmp
/resolv.conf.auto
2>/dev
/null
>/dev
/null ||
{
192 echo "nameserver $ns" >> /tmp
/resolv.conf.auto
197 env
-i ACTION
="ifup" INTERFACE
="$config" DEVICE
="$iface" PROTO
=static
/sbin
/hotplug-call
"iface" &
200 # prevent udhcpc from starting more than once
201 lock
"/var/lock/dhcp-$iface"
202 pid
="$(cat "$pidfile" 2>/dev/null)"
203 [ -d "/proc/$pid" ] && grep udhcpc
"/proc/${pid}/cmdline" >/dev
/null
2>/dev
/null
&& {
204 lock
-u "/var/lock/dhcp-$iface"
208 config_get ipaddr
"$config" ipaddr
209 config_get netmask
"$config" netmask
210 config_get hostname
"$config" hostname
211 config_get proto1
"$config" proto
212 config_get clientid
"$config" clientid
214 [ -z "$ipaddr" ] || \
215 $DEBUG ifconfig
"$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
217 # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
218 [ .
"$proto1" != .
"$proto" ] && dhcpopts
="-n -q"
219 $DEBUG eval udhcpc
-t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -R &}
220 lock
-u "/var/lock/dhcp-$iface"
223 if ( eval "type setup_interface_$proto" ) >/dev
/null
2>/dev
/null
; then
224 eval "setup_interface_$proto '$iface' '$config' '$proto'"
226 echo "Interface type $proto not supported."
237 [ -x /usr
/sbin
/brctl
] ||
return 0
238 brctl show |
grep "$dev" >/dev
/null
&& {
239 # interface is still part of a bridge, correct that
241 for brdev
in $
(brctl show |
awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
242 brctl delif
"$brdev" "$dev" 2>/dev
/null
>/dev
/null