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 [ -x /usr/sbin/brctl ] && {
92 ifconfig "$iface" up 2>/dev/null >/dev/null
93 ifconfig "br-$config" 2>/dev/null >/dev/null && {
94 $DEBUG brctl addif "br-$config" "$iface"
97 $DEBUG brctl addbr "br-$config"
98 $DEBUG brctl setfd "br-$config" 0
99 $DEBUG brctl addif "br-$config" "$iface"
102 # need to bring up the bridge and wait a second for
103 # it to switch to the 'forwarding' state, otherwise
104 # it will lose its routes...
113 config_get mtu "$config" mtu
114 config_get macaddr "$config" macaddr
115 $DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
117 pidfile="/var/run/$iface.pid"
120 config_get ipaddr "$config" ipaddr
121 config_get netmask "$config" netmask
122 [ -z "$ipaddr" -o -z "$netmask" ] && return 1
124 config_get ip6addr "$config" ip6addr
125 config_get gateway "$config" gateway
126 config_get dns "$config" dns
128 [ -z "$ipaddr" ] || $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask"
129 [ -z "$ip6addr" ] || $DEBUG ifconfig "$iface" inet6 add "$ip6addr"
130 [ -z "$gateway" ] || route add default gw "$gateway"
131 [ -z "$dns" -o -f /tmp/resolv.conf.auto ] || {
133 echo "nameserver $ns" >> /tmp/resolv.conf.auto
137 env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug "iface" &
140 # prevent udhcpc from starting more than once
141 lock "/var/lock/dhcp-$iface"
142 pid="$(cat "$pidfile" 2>/dev/null)"
143 [ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null && {
144 lock -u "/var/lock/dhcp-$iface"
148 config_get ipaddr "$config" ipaddr
149 config_get netmask "$config" netmask
150 config_get hostname "$config" hostname
151 config_get proto1 "$config" proto
153 [ -z "$ipaddr" ] || \
154 $DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
156 # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
157 [ "$proto1" != "$proto" ] && dhcpopts="-n -q"
158 $DEBUG eval udhcpc -t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &}
159 lock -u "/var/lock/dhcp-$iface"
162 if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
163 eval "setup_interface_$proto '$iface' '$config' '$proto'"
165 echo "Interface type $proto not supported."
176 brctl show | grep "$dev" >/dev/null && {
177 # interface is still part of a bridge, correct that
179 for brdev in $(brctl show | awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
180 brctl delif "$brdev" "$dev" 2>/dev/null >/dev/null