linux-2.6: Add a driver to run an MMC or SD card over a GPIO based SPI interface.

[openwrt.git] / package / base-files / files / lib / network / config.sh

diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index 90f5bf7..611da71 100755 (executable)
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -13,7 +13,7 @@ find_config() {
                esac
                config_get device "$ifn" device
                for ifc in $device $iface $ifaces; do
                esac
                config_get device "$ifn" device
                for ifc in $device $iface $ifaces; do

-                       [ "$ifc" = "$1" ] && {
+                       [ ."$ifc" = ."$1" ] && {

                                echo "$ifn"
                                return 0
                        }
                                echo "$ifn"
                                return 0
                        }


@@ -24,6 +24,7 @@ find_config() {
 }
 
 scan_interfaces() {
 }
 
 scan_interfaces() {

+       local cfgfile="$1"

        local mode iftype iface ifname device
        interfaces=
        config_cb() {
        local mode iftype iface ifname device
        interfaces=
        config_cb() {


@@ -50,7 +51,7 @@ scan_interfaces() {
                        ;;
                esac
        }
                        ;;
                esac
        }

-       config_load network
+       config_load "${cfgfile:-network}"

 }
 
 add_vlan() {
 }
 
 add_vlan() {


@@ -62,67 +63,111 @@ add_vlan() {
        }
 }
 
        }
 }
 

-setup_interface() {
+# 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 iface="$1"
        local config="$2"

-       local proto
-
-       [ -n "$config" ] || {
-               config=$(find_config "$iface")
-               [ "$?" = 0 ] || return 1
-       }

 
 

-       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 && {
        
        ifconfig "$iface" 2>/dev/null >/dev/null && {

-               # make sure the interface is removed from any existing bridge
+               # make sure the interface is removed from any existing bridge and brought down
+               ifconfig "$iface" down

                unbridge "$iface"
        }
 
        # Setup VLAN interfaces
        add_vlan "$iface"
                unbridge "$iface"
        }
 
        # Setup VLAN interfaces
        add_vlan "$iface"

+       ifconfig "$iface" 2>/dev/null >/dev/null || return 0

 
        # Setup bridging
 
        # Setup bridging

+       config_get iftype "$config" type
+       config_get stp "$config" stp

        case "$iftype" in
                bridge)
        case "$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 && {
+                                       $DEBUG brctl addif "br-$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" ${stp:-off}
+                                       # Creating the bridge here will have triggered a hotplug event, which will
+                                       # result in another setup_interface() call, so we simply stop processing
+                                       # the current event at this point.
+                               }
+                               ifconfig "$iface" up 2>/dev/null >/dev/null
+                               return 1

                        }
                ;;
        esac
                        }
                ;;
        esac

+       return 0
+}
+
+setup_interface() {
+       local iface="$1"
+       local config="$2"
+       local proto
+       local macaddr
+
+       [ -n "$config" ] || {
+               config=$(find_config "$iface")
+               [ "$?" = 0 ] || return 1
+       }
+       proto="${3:-$(config_get "$config" proto)}"
+       
+       prepare_interface "$iface" "$config" || 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
        
        # Interface settings
        config_get mtu "$config" mtu

-       $DEBUG ifconfig "$iface" ${mtu:+mtu $mtu} up
+       config_get macaddr "$config" macaddr
+       grep "$iface:" /proc/net/dev > /dev/null && \
+               $DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
+       uci_set_state network "$config" ifname "$iface"

 
        pidfile="/var/run/$iface.pid"
        case "$proto" in
                static)
                        config_get ipaddr "$config" ipaddr
                        config_get netmask "$config" netmask
 
        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 "$config" ip6addr
                        config_get ip6addr "$config" ip6addr

+                       [ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1
+                       

                        config_get gateway "$config" gateway
                        config_get gateway "$config" gateway

+                       config_get ip6gw "$config" ip6gw

                        config_get dns "$config" dns
                        config_get dns "$config" dns

+                       config_get bcast "$config" broadcast

                        
                        

-                       $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask"
-                       [ -z "$gateway" ] || route add default gw "$gateway"
-                       [ -z "$dns" -o -f /tmp/resolv.conf ] || {
+                       [ -z "$ipaddr" ] || $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask" broadcast "${bcast:-+}"
+                       [ -z "$ip6addr" ] || $DEBUG ifconfig "$iface" add "$ip6addr"
+                       [ -z "$gateway" ] || $DEBUG route add default gw "$gateway"
+                       [ -z "$ip6gw" ] || $DEBUG route -A inet6 add default gw "$ip6gw"
+                       [ -z "$dns" ] || {

                                for ns in $dns; do
                                for ns in $dns; do

-                                       echo "nameserver $ns" >> /tmp/resolv.conf
+                                       grep "$ns" /tmp/resolv.conf.auto 2>/dev/null >/dev/null || {
+                                               echo "nameserver $ns" >> /tmp/resolv.conf.auto
+                                       }

                                done
                        }
 
                                done
                        }
 

-                       env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug "iface" &
+                       env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug-call "iface" &

                ;;
                dhcp)
                        # prevent udhcpc from starting more than once
                ;;
                dhcp)
                        # prevent udhcpc from starting more than once


@@ -137,13 +182,14 @@ setup_interface() {
                        config_get netmask "$config" netmask
                        config_get hostname "$config" hostname
                        config_get proto1 "$config" proto
                        config_get netmask "$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"}
 
                        # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
 
                        [ -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" ${dhcpopts:- -R &}
+                       [ ."$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-$iface"
                ;;
                *)
                        lock -u "/var/lock/dhcp-$iface"
                ;;
                *)


@@ -160,7 +206,8 @@ setup_interface() {
 unbridge() {
        local dev="$1"
        local brdev
 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
 
        brctl show | grep "$dev" >/dev/null && {
                # interface is still part of a bridge, correct that