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 mode iftype iface ifname device
32 config_set
"$2" auto
1
35 config_get iftype
"$CONFIG_SECTION" TYPE
38 config_get proto
"$CONFIG_SECTION" proto
39 append interfaces
"$CONFIG_SECTION"
40 config_get iftype
"$CONFIG_SECTION" type
41 config_get ifname
"$CONFIG_SECTION" ifname
42 config_set
"$CONFIG_SECTION" device
"$ifname"
45 config_set
"$CONFIG_SECTION" ifnames
"$ifname"
46 config_set
"$CONFIG_SECTION" ifname br-
"$CONFIG_SECTION"
49 ( type "scan_$proto" ) >/dev
/null
2>/dev
/null
&& eval "scan_$proto '$CONFIG_SECTION'"
59 [ "$1" = "$vif" ] || ifconfig
"$1" >/dev
/null
2>/dev
/null ||
{
60 ifconfig
"$vif" up
2>/dev
/null
>/dev
/null || add_vlan
"$vif"
61 $DEBUG vconfig add
"$vif" "${1##*\.}"
72 config
=$
(find_config
"$iface")
73 [ "$?" = 0 ] ||
return 1
76 proto
="${3:-$(config_get "$config" proto)}"
77 config_get iftype
"$config" type
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
91 ifconfig
"$iface" up
2>/dev
/null
>/dev
/null
92 ifconfig
"br-$config" 2>/dev
/null
>/dev
/null
&& {
93 $DEBUG brctl addif
"br-$config" "$iface"
96 $DEBUG brctl addbr
"br-$config"
97 $DEBUG brctl setfd
"br-$config" 0
98 $DEBUG brctl addif
"br-$config" "$iface"
105 config_get mtu
"$config" mtu
106 config_get macddr
"$config" macaddr
107 $DEBUG ifconfig
"$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
109 pidfile
="/var/run/$iface.pid"
112 config_get ipaddr
"$config" ipaddr
113 config_get netmask
"$config" netmask
114 [ -z "$ipaddr" -o -z "$netmask" ] && return 1
116 config_get ip6addr
"$config" ip6addr
117 config_get gateway
"$config" gateway
118 config_get dns
"$config" dns
120 $DEBUG ifconfig
"$iface" "$ipaddr" netmask
"$netmask"
121 [ -z "$gateway" ] || route add default gw
"$gateway"
122 [ -z "$dns" -o -f /tmp
/resolv.conf
] ||
{
124 echo "nameserver $ns" >> /tmp
/resolv.conf
128 env
-i ACTION
="ifup" INTERFACE
="$config" DEVICE
="$iface" PROTO
=static
/sbin
/hotplug
"iface" &
131 # prevent udhcpc from starting more than once
132 lock
"/var/lock/dhcp-$iface"
133 pid
="$(cat "$pidfile" 2>/dev/null)"
134 [ -d "/proc/$pid" ] && grep udhcpc
"/proc/${pid}/cmdline" >/dev
/null
2>/dev
/null
&& {
135 lock
-u "/var/lock/dhcp-$iface"
139 config_get ipaddr
"$config" ipaddr
140 config_get netmask
"$config" netmask
141 config_get hostname
"$config" hostname
142 config_get proto1
"$config" proto
144 [ -z "$ipaddr" ] || \
145 $DEBUG ifconfig
"$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
147 # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
148 [ "$proto1" != "$proto" ] && dhcpopts
="-n -q"
149 $DEBUG eval udhcpc
-t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &}
150 lock
-u "/var/lock/dhcp-$iface"
153 if ( eval "type setup_interface_$proto" ) >/dev
/null
2>/dev
/null
; then
154 eval "setup_interface_$proto '$iface' '$config' '$proto'"
156 echo "Interface type $proto not supported."
167 brctl show |
grep "$dev" >/dev
/null
&& {
168 # interface is still part of a bridge, correct that
170 for brdev
in $
(brctl show |
awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
171 brctl delif
"$brdev" "$dev" 2>/dev
/null
>/dev
/null