From 9ac9d78cb92dd3ffce4dd514f80d5a166d722ce0 Mon Sep 17 00:00:00 2001
From: dzou <dzou@company.com>
Date: Sun, 5 Jun 2022 23:19:45 +0800
Subject: [PATCH 904/911] nl80211: Radar background flag setting

Allow background radar detection flag to be set when specifying a
channel. This is a preliminary change to introduce radar/CAC background
detection support.

Tested-by: Owen Peng <owen.peng@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 src/drivers/driver.h         | 5 +++++
 src/drivers/driver_nl80211.c | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index 68964c9d5..90adbf0f4 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -783,6 +783,11 @@ struct hostapd_freq_params {
 	 * for IEEE 802.11ay EDMG configuration.
 	 */
 	struct ieee80211_edmg_config edmg;
+
+	/**
+	 * radar_background - Whether radar/CAC background is requested
+	 */
+	bool radar_background;
 };
 
 /**
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index bf4fda770..6cf127ca7 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -4901,6 +4901,8 @@ static int nl80211_put_freq_params(struct nl_msg *msg,
 	wpa_printf(MSG_DEBUG, "  * he_enabled=%d", freq->he_enabled);
 	wpa_printf(MSG_DEBUG, "  * vht_enabled=%d", freq->vht_enabled);
 	wpa_printf(MSG_DEBUG, "  * ht_enabled=%d", freq->ht_enabled);
+	wpa_printf(MSG_DEBUG, "  * radar_background=%d",
+		   freq->radar_background);
 
 	hw_mode = ieee80211_freq_to_chan(freq->freq, &channel);
 	is_24ghz = hw_mode == HOSTAPD_MODE_IEEE80211G ||
@@ -4978,6 +4980,9 @@ static int nl80211_put_freq_params(struct nl_msg *msg,
 				NL80211_CHAN_NO_HT))
 			return -ENOBUFS;
 	}
+	if (freq->radar_background)
+		nla_put_flag(msg, NL80211_ATTR_RADAR_BACKGROUND);
+
 	return 0;
 }
 
-- 
2.29.2