on-hostapd-channel-whitelist

gehe zur Dokumentation dieser Datei

#!/bin/sh
#
# Dieses Skript wird nur ein einziges Mal nach einem Upgrade oder der Erstinstallation ausgefuehrt:
#   http://wiki.openwrt.org/doc/uci#defaults
#

# shellcheck source=opennet/packages/on-core/files/usr/lib/opennet/on-helper.sh
. "${IPKG_INSTROOT:-}/usr/lib/opennet/on-helper.sh"


# add channel whitelist for 5GHz devices to /etc/config/wireless
# info: the additional option "chanlist" is enabled by one of our patches
# TODO: move this adjustment to a future "configure as wifi master" web interface action
find_all_uci_sections wireless wifi-device "hwmode=11a" "channel=auto" | while read -r device_uci_prefix; do
    # do not touch non-empty chanlists
    [ -n "$(uci_get "${device_uci_prefix}.chanlist")" ] && continue
    # the device name could be "radio0" or similar
    device_name=$(echo "$device_uci_prefix" | cut -f 2 -d .)
    # do not touch devices without a master interface
    ap_interfaces=$(find_all_uci_sections wireless wifi-iface "device=$device_name" "mode=ap")
    [ -z "$ap_interfaces" ] && continue
    # Use one (random) indoor channel and multiple outdoor channels. This allows a usable
    # fallback even under bad conditions.
    indoor_channel=$(( 36 + 4 * $(get_random 4) ))
    # use all outdoor channels except 128 (used by the local weather station)
    uci set "${device_uci_prefix}.chanlist=$indoor_channel 100-124 132-140"
    uci commit "$device_uci_prefix"
done