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" = "$1" ] && {
27 local mode iftype iface ifname device
30 config_get iftype "$CONFIG_SECTION" TYPE
33 config_get proto "$CONFIG_SECTION" proto
34 append interfaces "$CONFIG_SECTION"
35 config_get iftype "$CONFIG_SECTION" type
36 config_get ifname "$CONFIG_SECTION" ifname
37 config_set "$CONFIG_SECTION" device "$ifname"
40 config_set "$CONFIG_SECTION" ifnames "$ifname"
41 config_set "$CONFIG_SECTION" ifname br-"$CONFIG_SECTION"
44 ( type "scan_$proto" ) >/dev/null 2>/dev/null && eval "scan_$proto '$CONFIG_SECTION'"
54 [ "$1" = "$vif" ] || ifconfig "$1" >/dev/null 2>/dev/null || {
55 ifconfig "$vif" up 2>/dev/null >/dev/null || add_vlan "$vif"
56 $DEBUG vconfig add "$vif" "${1##*\.}"
66 config=$(find_config "$iface")
67 [ "$?" = 0 ] || return 1
70 proto="${3:-$(config_get "$config" proto)}"
71 config_get iftype "$config" type
73 ifconfig "$iface" 2>/dev/null >/dev/null && {
74 # make sure the interface is removed from any existing bridge
78 # Setup VLAN interfaces
84 ifconfig "$iface" up 2>/dev/null >/dev/null
85 ifconfig "br-$config" 2>/dev/null >/dev/null && {
86 $DEBUG brctl addif "br-$config" "$iface"
89 $DEBUG brctl addbr "br-$config"
90 $DEBUG brctl setfd "br-$config" 0
91 $DEBUG brctl addif "br-$config" "$iface"
98 config_get mtu "$config" mtu
99 $DEBUG ifconfig "$iface" ${mtu:+mtu $mtu} up
101 pidfile="/var/run/$iface.pid"
104 config_get ipaddr "$config" ipaddr
105 config_get netmask "$config" netmask
106 [ -z "$ipaddr" -o -z "$netmask" ] && return 1
108 config_get ip6addr "$config" ip6addr
109 config_get gateway "$config" gateway
110 config_get dns "$config" dns
112 $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask"
113 [ -z "$gateway" ] || route add default gw "$gateway"
114 [ -z "$dns" -o -f /tmp/resolv.conf ] || {
116 echo "nameserver $ns" >> /tmp/resolv.conf
120 env -i ACTION="ifup" INTERFACE="config" DEVICE="$iface" PROTO=static /sbin/hotplug "iface" &
123 # prevent udhcpc from starting more than once
124 pid="$(cat "$pidfile" 2>/dev/null)"
125 [ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null && return 0
127 config_get ipaddr "$config" ipaddr
128 config_get netmask "$config" netmask
129 config_get hostname "$config" hostname
130 config_get proto1 "$config" proto
132 [ -z "$ipaddr" ] || \
133 $DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
135 # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
136 [ "$proto1" != "$proto" ] && dhcpopts="-n -q"
137 $DEBUG udhcpc -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &}
140 if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
141 eval "setup_interface_$proto '$iface' '$config' '$proto'"
143 echo "Interface type $proto not supported."
154 brctl show | grep "$dev" >/dev/null && {
155 # interface is still part of a bridge, correct that
157 for brdev in $(brctl show | awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
158 brctl delif "$brdev" "$dev" 2>/dev/null >/dev/null