OpenWrt – Rev 1

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#!/bin/sh

# This must run before 10-wifi-detect


[ "${ACTION}" = "add" ] || return


. /lib/functions.sh


check_radio()
{
        local cfg="$1" to="$2"

        config_get path "$cfg" path

        [ "$path" = "$to" ] && PATH_EXISTS=true
}

do_migrate_radio()
{
        local cfg="$1" from="$2" to="$3"

        config_get path "$cfg" path

        [ "$path" = "$from" ] || return

        uci set "wireless.${cfg}.path=${to}"
        WIRELESS_CHANGED=true

        logger -t wifi-migrate "Updated path of wireless.${cfg} from '${from}' to '${to}'"
}

migrate_radio()
{
        local from="$1" to="$2"

        config_load wireless

        # Check if there is already a section with the target path: In this case, the system
        # was already upgraded to a version without this migration script before; better bail out,
        # as we can't be sure we don't break more than we fix.
        PATH_EXISTS=false
        config_foreach check_radio wifi-device "$to"
        $PATH_EXISTS && return

        config_foreach do_migrate_radio wifi-device "$from" "$to"
}


WIRELESS_CHANGED=false

case "$(board_name)" in
tplink,tl-wdr4900-v1)
        migrate_radio 'ffe09000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0' 'ffe09000.pcie/pci9000:00/9000:00:00.0/9000:01:00.0'
        migrate_radio 'ffe0a000.pcie/pci0001:02/0001:02:00.0/0001:03:00.0' 'ffe0a000.pcie/pcia000:02/a000:02:00.0/a000:03:00.0'
        ;;
esac

$WIRELESS_CHANGED && uci commit wireless

exit 0