From adaea813b53d2f3cbbaefb9dffa19faf58d670a2 Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Tue, 15 Feb 2022 17:05:18 +0100
Subject: [PATCH] hostapd: add acs_exclude_dfs support for SW ACS

Signed-off-by: John Crispin <john@phrozen.org>
---
 .../hostapd/patches/760-acs_exclude_dfs.patch     | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 package/network/services/hostapd/patches/760-acs_exclude_dfs.patch

diff --git a/package/network/services/hostapd/patches/760-acs_exclude_dfs.patch b/package/network/services/hostapd/patches/760-acs_exclude_dfs.patch
new file mode 100644
index 0000000000..52d63c5ff9
--- /dev/null
+++ b/package/network/services/hostapd/patches/760-acs_exclude_dfs.patch
@@ -0,0 +1,15 @@
+Index: hostapd-2021-02-20-59e9794c/src/ap/acs.c
+===================================================================
+--- hostapd-2021-02-20-59e9794c.orig/src/ap/acs.c
++++ hostapd-2021-02-20-59e9794c/src/ap/acs.c
+@@ -672,6 +672,10 @@ acs_find_ideal_chan_mode(struct hostapd_
+ 			continue;
+ 		}
+ 
++		if (iface->conf->acs_exclude_dfs &&
++                      (chan->flag & HOSTAPD_CHAN_RADAR))
++			continue;
++
+ 		/* HT40 on 5 GHz has a limited set of primary channels as per
+ 		 * 11n Annex J */
+ 		if (mode->mode == HOSTAPD_MODE_IEEE80211A &&
-- 
2.25.1

