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_set
"$CONFIG_SECTION" device
"$ifname"
46 config_set
"$CONFIG_SECTION" ifnames
"$ifname"
47 config_set
"$CONFIG_SECTION" ifname br-
"$CONFIG_SECTION"
50 ( type "scan_$proto" ) >/dev
/null
2>/dev
/null
&& eval "scan_$proto '$CONFIG_SECTION'"
54 config_load
"${cfgfile:-network}"
60 [ "$1" = "$vif" ] || ifconfig
"$1" >/dev
/null
2>/dev
/null ||
{
61 ifconfig
"$vif" up
2>/dev
/null
>/dev
/null || add_vlan
"$vif"
62 $DEBUG vconfig add
"$vif" "${1##*\.}"
66 # Create the interface, if necessary.
67 # Return status 0 indicates that the setup_interface() call should continue
68 # Return status 1 means that everything is set up already.
74 # if we're called for the bridge interface itself, don't bother trying
75 # to create any interfaces here. The scripts have already done that, otherwise
76 # the bridge interface wouldn't exist.
77 [ "br-$config" = "$iface" -o -f "$iface" ] && return 0;
79 ifconfig
"$iface" 2>/dev
/null
>/dev
/null
&& {
80 # make sure the interface is removed from any existing bridge and brought down
81 ifconfig
"$iface" down
85 # Setup VLAN interfaces
87 ifconfig
"$iface" 2>/dev
/null
>/dev
/null ||
return 0
90 config_get iftype
"$config" type
93 [ -x /usr
/sbin
/brctl
] && {
94 ifconfig
"br-$config" 2>/dev
/null
>/dev
/null
&& {
95 $DEBUG brctl addif
"br-$config" "$iface"
96 # Bridge existed already. No further processing necesary
98 $DEBUG brctl addbr
"br-$config"
99 $DEBUG brctl setfd
"br-$config" 0
100 $DEBUG ifconfig
"br-$config" up
101 $DEBUG brctl addif
"br-$config" "$iface"
102 # Creating the bridge here will have triggered a hotplug event, which will
103 # result in another setup_interface() call, so we simply stop processing
104 # the current event at this point.
106 ifconfig
"$iface" up
2>/dev
/null
>/dev
/null
120 [ -n "$config" ] ||
{
121 config
=$
(find_config
"$iface")
122 [ "$?" = 0 ] ||
return 1
124 proto
="${3:-$(config_get "$config" proto)}"
126 prepare_interface
"$iface" "$config" ||
return 0
128 [ "$iface" = "br-$config" ] && {
129 # need to bring up the bridge and wait a second for
130 # it to switch to the 'forwarding' state, otherwise
131 # it will lose its routes...
137 config_get mtu
"$config" mtu
138 config_get macaddr
"$config" macaddr
139 $DEBUG ifconfig
"$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
140 uci
set "/var/state/network.$config.ifname=$iface"
142 pidfile
="/var/run/$iface.pid"
145 config_get ipaddr
"$config" ipaddr
146 config_get netmask
"$config" netmask
147 [ -z "$ipaddr" -o -z "$netmask" ] && return 1
149 config_get ip6addr
"$config" ip6addr
150 config_get gateway
"$config" gateway
151 config_get dns
"$config" dns
152 config_get bcast
"$config" broadcast
154 [ -z "$ipaddr" ] ||
$DEBUG ifconfig
"$iface" "$ipaddr" netmask
"$netmask" broadcast
"${bcast:-+}"
155 [ -z "$ip6addr" ] ||
$DEBUG ifconfig
"$iface" add
"$ip6addr"
156 [ -z "$gateway" ] ||
$DEBUG route add default gw
"$gateway"
159 grep "$ns" /tmp
/resolv.conf.auto
2>/dev
/null
>/dev
/null ||
{
160 echo "nameserver $ns" >> /tmp
/resolv.conf.auto
165 env
-i ACTION
="ifup" INTERFACE
="$config" DEVICE
="$iface" PROTO
=static
/sbin
/hotplug-call
"iface" &
168 # prevent udhcpc from starting more than once
169 lock
"/var/lock/dhcp-$iface"
170 pid
="$(cat "$pidfile" 2>/dev/null)"
171 [ -d "/proc/$pid" ] && grep udhcpc
"/proc/${pid}/cmdline" >/dev
/null
2>/dev
/null
&& {
172 lock
-u "/var/lock/dhcp-$iface"
176 config_get ipaddr
"$config" ipaddr
177 config_get netmask
"$config" netmask
178 config_get hostname
"$config" hostname
179 config_get proto1
"$config" proto
180 config_get clientid
"$config" clientid
182 [ -z "$ipaddr" ] || \
183 $DEBUG ifconfig
"$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
185 # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
186 [ .
"$proto1" != .
"$proto" ] && dhcpopts
="-n -q"
187 $DEBUG eval udhcpc
-t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -R &}
188 lock
-u "/var/lock/dhcp-$iface"
191 if ( eval "type setup_interface_$proto" ) >/dev
/null
2>/dev
/null
; then
192 eval "setup_interface_$proto '$iface' '$config' '$proto'"
194 echo "Interface type $proto not supported."
205 [ -x /usr
/sbin
/brctl
] ||
return 0
206 brctl show |
grep "$dev" >/dev
/null
&& {
207 # interface is still part of a bridge, correct that
209 for brdev
in $
(brctl show |
awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
210 brctl delif
"$brdev" "$dev" 2>/dev
/null
>/dev
/null