esac
config_get device "$ifn" device
for ifc in $device $iface $ifaces; do
- [ "$ifc" = "$1" ] && {
+ [ ."$ifc" = ."$1" ] && {
echo "$ifn"
return 0
}
}
scan_interfaces() {
+ local cfgfile="$1"
local mode iftype iface ifname device
interfaces=
config_cb() {
append interfaces "$CONFIG_SECTION"
config_get iftype "$CONFIG_SECTION" type
config_get ifname "$CONFIG_SECTION" ifname
- config_set "$CONFIG_SECTION" device "$ifname"
+ config_get device "$CONFIG_SECTION" device
+ config_set "$CONFIG_SECTION" device "${device:-$ifname}"
case "$iftype" in
bridge)
- config_set "$CONFIG_SECTION" ifnames "$ifname"
+ config_set "$CONFIG_SECTION" ifnames "${device:-$ifname}"
config_set "$CONFIG_SECTION" ifname br-"$CONFIG_SECTION"
;;
esac
;;
esac
}
- config_load network
+ config_load "${cfgfile:-network}"
}
add_vlan() {
[ "$1" = "$vif" ] || ifconfig "$1" >/dev/null 2>/dev/null || {
ifconfig "$vif" up 2>/dev/null >/dev/null || add_vlan "$vif"
$DEBUG vconfig add "$vif" "${1##*\.}"
+ return 0
}
+ return 1
}
-setup_interface() {
+# sort the device list, drop duplicates
+sort_list() {
+ local arg="$*"
+ (
+ for item in $arg; do
+ echo "$item"
+ done
+ ) | sort -u
+}
+
+# Create the interface, if necessary.
+# Return status 0 indicates that the setup_interface() call should continue
+# Return status 1 means that everything is set up already.
+
+prepare_interface() {
local iface="$1"
local config="$2"
- local proto
- local macaddr
-
- [ -n "$config" ] || {
- config=$(find_config "$iface")
- [ "$?" = 0 ] || return 1
- }
+ local vifmac="$3"
- proto="${3:-$(config_get "$config" proto)}"
- config_get iftype "$config" type
+ # if we're called for the bridge interface itself, don't bother trying
+ # to create any interfaces here. The scripts have already done that, otherwise
+ # the bridge interface wouldn't exist.
+ [ "br-$config" = "$iface" -o -e "$iface" ] && return 0;
ifconfig "$iface" 2>/dev/null >/dev/null && {
- # make sure the interface is removed from any existing bridge and brought down
- ifconfig "$iface" down
+ # make sure the interface is removed from any existing bridge and deconfigured
+ ifconfig "$iface" 0.0.0.0
unbridge "$iface"
+
+ # Change interface MAC address if requested
+ [ -n "$vifmac" ] && {
+ ifconfig "$iface" down
+ ifconfig "$iface" hw ether "$vifmac" up
+ }
}
# Setup VLAN interfaces
- add_vlan "$iface"
+ add_vlan "$iface" && return 1
+ ifconfig "$iface" 2>/dev/null >/dev/null || return 0
# Setup bridging
+ config_get iftype "$config" type
+ config_get stp "$config" stp
case "$iftype" in
bridge)
- ifconfig "$iface" up 2>/dev/null >/dev/null
- ifconfig "br-$config" 2>/dev/null >/dev/null && {
- $DEBUG brctl addif "br-$config" "$iface"
- return 0
- } || {
- $DEBUG brctl addbr "br-$config"
- $DEBUG brctl setfd "br-$config" 0
- $DEBUG brctl addif "br-$config" "$iface"
- iface="br-$config"
+ [ -x /usr/sbin/brctl ] && {
+ ifconfig "br-$config" 2>/dev/null >/dev/null && {
+ local newdevs=
+
+ config_get devices "$config" device
+ for dev in $(sort_list "$devices" "$iface"); do
+ append newdevs "$dev"
+ done
+ uci_set_state network "$config" device "$newdevs"
+ $DEBUG brctl addif "br-$config" "$iface"
+ # Bridge existed already. No further processing necesary
+ } || {
+ $DEBUG brctl addbr "br-$config"
+ $DEBUG brctl setfd "br-$config" 0
+ $DEBUG ifconfig "br-$config" up
+ $DEBUG brctl addif "br-$config" "$iface"
+ $DEBUG brctl stp "br-$config" ${stp:-0}
+ # Creating the bridge here will have triggered a hotplug event, which will
+ # result in another setup_interface() call, so we simply stop processing
+ # the current event at this point.
+ }
+ ifconfig "$iface" up 2>/dev/null >/dev/null
+ return 1
+ }
+ ;;
+ esac
+ return 0
+}
+
+set_interface_ifname() {
+ local config="$1"
+ local ifname="$2"
+
+ config_get device "$1" device
+ uci_set_state network "$config" ifname "$ifname"
+ uci_set_state network "$config" device "$device"
+}
+
+setup_interface_none() {
+ env -i ACTION="ifup" INTERFACE="$2" DEVICE="$1" PROTO=none /sbin/hotplug-call "iface" &
+}
+
+setup_interface_static() {
+ local iface="$1"
+ local config="$2"
+
+ config_get ipaddr "$config" ipaddr
+ config_get netmask "$config" netmask
+ config_get ip6addr "$config" ip6addr
+ [ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1
+
+ config_get gateway "$config" gateway
+ config_get ip6gw "$config" ip6gw
+ config_get dns "$config" dns
+ config_get bcast "$config" broadcast
+
+ [ -z "$ipaddr" ] || $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask" broadcast "${bcast:-+}"
+ [ -z "$ip6addr" ] || $DEBUG ifconfig "$iface" add "$ip6addr"
+ [ -z "$gateway" ] || $DEBUG route add default gw "$gateway" dev "$iface"
+ [ -z "$ip6gw" ] || $DEBUG route -A inet6 add default gw "$ip6gw" dev "$iface"
+ [ -z "$dns" ] || {
+ for ns in $dns; do
+ grep "$ns" /tmp/resolv.conf.auto 2>/dev/null >/dev/null || {
+ echo "nameserver $ns" >> /tmp/resolv.conf.auto
}
+ done
+ }
+
+ config_get type "$config" TYPE
+ [ "$type" = "alias" ] && return 0
+
+ env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug-call "iface" &
+}
+
+setup_interface_alias() {
+ local config="$1"
+ local parent="$2"
+ local iface="$3"
+
+ config_get cfg "$config" interface
+ [ "$parent" == "$cfg" ] || return 0
+
+ # alias counter
+ config_get ctr "$parent" alias_count
+ ctr="$(($ctr + 1))"
+ config_set "$parent" alias_count "$ctr"
+
+ # alias list
+ config_get list "$parent" aliases
+ append list "$config"
+ config_set "$parent" aliases "$list"
+
+ set_interface_ifname "$config" "$iface:$ctr"
+ config_get proto "$config" proto
+ case "${proto:-static}" in
+ static)
+ setup_interface_static "$iface:$ctr" "$config"
+ ;;
+ *)
+ echo "Unsupported type '$proto' for alias config '$config'"
+ return 1
;;
esac
+}
+
+setup_interface() {
+ local iface="$1"
+ local config="$2"
+ local vifmac="$4"
+ local proto
+ local macaddr
+
+ [ -n "$config" ] || {
+ config=$(find_config "$iface")
+ [ "$?" = 0 ] || return 1
+ }
+ proto="${3:-$(config_get "$config" proto)}"
+
+ prepare_interface "$iface" "$config" "$vifmac" || return 0
+
+ [ "$iface" = "br-$config" ] && {
+ # need to bring up the bridge and wait a second for
+ # it to switch to the 'forwarding' state, otherwise
+ # it will lose its routes...
+ ifconfig "$iface" up
+ sleep 1
+ }
# Interface settings
config_get mtu "$config" mtu
- config_get macddr "$config" macaddr
- $DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
+ config_get macaddr "$config" macaddr
+ grep "$iface:" /proc/net/dev > /dev/null && \
+ $DEBUG ifconfig "$iface" down && \
+ $DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
+ set_interface_ifname "$config" "$iface"
pidfile="/var/run/$iface.pid"
case "$proto" in
static)
- config_get ipaddr "$config" ipaddr
- config_get netmask "$config" netmask
- [ -z "$ipaddr" -o -z "$netmask" ] && return 1
-
- config_get ip6addr "$config" ip6addr
- config_get gateway "$config" gateway
- config_get dns "$config" dns
-
- $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask"
- [ -z "$gateway" ] || route add default gw "$gateway"
- [ -z "$dns" -o -f /tmp/resolv.conf ] || {
- for ns in $dns; do
- echo "nameserver $ns" >> /tmp/resolv.conf
- done
- }
-
- env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug "iface" &
+ setup_interface_static "$iface" "$config"
;;
dhcp)
# prevent udhcpc from starting more than once
lock "/var/lock/dhcp-$iface"
pid="$(cat "$pidfile" 2>/dev/null)"
- [ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null && {
+ if [ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null; then
lock -u "/var/lock/dhcp-$iface"
- return 0
- }
+ else
- config_get ipaddr "$config" ipaddr
- config_get netmask "$config" netmask
- config_get hostname "$config" hostname
- config_get proto1 "$config" proto
+ config_get ipaddr "$config" ipaddr
+ config_get netmask "$config" netmask
+ config_get hostname "$config" hostname
+ config_get proto1 "$config" proto
+ config_get clientid "$config" clientid
- [ -z "$ipaddr" ] || \
- $DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
+ [ -z "$ipaddr" ] || \
+ $DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
- # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
- [ "$proto1" != "$proto" ] && dhcpopts="-n -q"
- $DEBUG eval udhcpc -t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &}
- lock -u "/var/lock/dhcp-$iface"
+ # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
+ [ ."$proto1" != ."$proto" ] && dhcpopts="-n -q"
+ $DEBUG eval udhcpc -t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -R &}
+ lock -u "/var/lock/dhcp-$iface"
+ fi
+ ;;
+ none)
+ setup_interface_none "$iface" "$config"
;;
*)
if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
fi
;;
esac
+ config_set "$config" aliases ""
+ config_set "$config" alias_count 0
+ config_foreach setup_interface_alias alias "$config" "$iface"
+ config_get aliases "$config" aliases
+ [ -z "$aliases" ] || uci_set_state network "$config" aliases "$aliases"
}
unbridge() {
local dev="$1"
local brdev
-
+
+ [ -x /usr/sbin/brctl ] || return 0
brctl show | grep "$dev" >/dev/null && {
# interface is still part of a bridge, correct that