diff options
| -rwxr-xr-x | package/base-files/files/lib/network/config.sh | 57 |
1 files changed, 39 insertions, 18 deletions
diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh index ffe637bbf..2b1574937 100755 --- a/package/base-files/files/lib/network/config.sh +++ b/package/base-files/files/lib/network/config.sh @@ -62,19 +62,18 @@ 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="$2" - local proto - local macaddr - [ -n "$config" ] || { - config=$(find_config "$iface") - [ "$?" = 0 ] || return 1 - } - - proto="${3:-$(config_get "$config" proto)}" - config_get iftype "$config" type + # if we're called for the bridge interface itself, don't bother trying + # to create any interfaces here. The scripts have already done that, otherwise + # the bridge interface wouldn't exist. + [ "$iface" = "br-$config" ] && return 0; ifconfig "$iface" 2>/dev/null >/dev/null && { # make sure the interface is removed from any existing bridge and brought down @@ -86,28 +85,50 @@ setup_interface() { add_vlan "$iface" # Setup bridging + config_get iftype "$config" type case "$iftype" in bridge) [ -x /usr/sbin/brctl ] && { ifconfig "$iface" up 2>/dev/null >/dev/null ifconfig "br-$config" 2>/dev/null >/dev/null && { $DEBUG brctl addif "br-$config" "$iface" - return 0 + # Bridge existed already. No further processing necesary } || { $DEBUG brctl addbr "br-$config" $DEBUG brctl setfd "br-$config" 0 $DEBUG brctl addif "br-$config" "$iface" - iface="br-$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 + # 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. } + return 1 } ;; 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 |