gluon/patches/openwrt/0013-mac80211-create-channel-list-for-fixed-channel-operation.patch

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From: David Bauer <mail@david-bauer.net>
Date: Sat, 4 Jul 2020 13:20:02 +0200
Subject: mac80211: create channel list for fixed channel operation
Currently a device which has a DFS channel selected using the UCI
channel setting might switch to a non-DFS channel in case no chanlist is
provided (UCI setting "channels") when the radio detects a DFS event.
Automatically add a chanlist consisting of the configured channel when
the device does not operate in auto-channel mode and no chanlist set to
circumvent this issue.
Signed-off-by: David Bauer <mail@david-bauer.net>
diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
index 36aebbb2ccfec2137d5d260fe2111d77f531ddec..367a3e8e37a8e8435c35ca2912ef0855efbdfc78 100644
--- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
+++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
@@ -100,6 +100,9 @@ mac80211_hostapd_setup_base() {
json_get_vars noscan ht_coex
json_get_values ht_capab_list ht_capab tx_burst
+ [ "$auto_channel" = 0 ] && [ -z "$channel_list" ] && \
+ channel_list="$channel"
+
set_default noscan 0
[ "$noscan" -gt 0 ] && hostapd_noscan=1