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
"$config" dns
127 config_get bcast
"$config" broadcast
129 [ -z "$ipaddr" ] ||
$DEBUG ifconfig
"$iface" "$ipaddr" netmask
"$netmask"
130 [ -z "$ip6addr" ] ||
$DEBUG ifconfig
"$iface" inet6 add
"$ip6addr"
131 [ -z "$gateway" ] ||
$DEBUG route add default gw
"$gateway"
132 [ -z "$bcast" ] ||
$DEBUG ifconfig
"$iface" broadcast
"$bcast"
133 [ -z "$dns" -o -f /tmp
/resolv.conf.auto
] ||
{
135 echo "nameserver $ns" >> /tmp
/resolv.conf.auto
139 env
-i ACTION
="ifup" INTERFACE
="$config" DEVICE
="$iface" PROTO
=static
/sbin
/hotplug
"iface" &
142 # prevent udhcpc from starting more than once
143 lock
"/var/lock/dhcp-$iface"
144 pid
="$(cat "$pidfile" 2>/dev/null)"
145 [ -d "/proc/$pid" ] && grep udhcpc
"/proc/${pid}/cmdline" >/dev
/null
2>/dev
/null
&& {
146 lock
-u "/var/lock/dhcp-$iface"
150 config_get ipaddr
"$config" ipaddr
151 config_get netmask
"$config" netmask
152 config_get hostname
"$config" hostname
153 config_get proto1
"$config" proto
155 [ -z "$ipaddr" ] || \
156 $DEBUG ifconfig
"$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
158 # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
159 [ "$proto1" != "$proto" ] && dhcpopts
="-n -q"
160 $DEBUG eval udhcpc
-t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &}
161 lock
-u "/var/lock/dhcp-$iface"
164 if ( eval "type setup_interface_$proto" ) >/dev
/null
2>/dev
/null
; then
165 eval "setup_interface_$proto '$iface' '$config' '$proto'"
167 echo "Interface type $proto not supported."
178 brctl show |
grep "$dev" >/dev
/null
&& {
179 # interface is still part of a bridge, correct that
181 for brdev
in $
(brctl show |
awk '$2 ~ /^[0-9].*\./ { print $1 }'); do
182 brctl delif
"$brdev" "$dev" 2>/dev
/null
>/dev
/null