From 4af041067217532a51ba7e1061b9fa7a61d60eb2 Mon Sep 17 00:00:00 2001
From: "himanshu.goyal" <himanshu.goyal@mediatek.com>
Date: Fri, 3 Mar 2023 12:45:42 +0800
Subject: [PATCH 20/25] hostapd: mtk: Mark DFS channel as available for CSA.

---
 hostapd/ctrl_iface.c   | 10 ++++++++++
 hostapd/hostapd_cli.c  |  2 +-
 src/ap/ctrl_iface_ap.c |  1 +
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c
index c33b7a4..9ba6992 100644
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -2704,6 +2704,16 @@ static int hostapd_ctrl_iface_chan_switch(struct hostapd_iface *iface,
 		settings.freq_params.he_enabled = iface->conf->ieee80211ax;
 	}
 
+	if (settings.freq_params.radar_background) {
+		hostapd_dfs_sta_update_state(iface,
+			settings.freq_params.freq,
+			settings.freq_params.ht_enabled,
+			settings.freq_params.sec_channel_offset,
+			bandwidth, settings.freq_params.center_freq1,
+			settings.freq_params.center_freq2,
+			HOSTAPD_CHAN_DFS_AVAILABLE);
+	}
+
 	if (settings.freq_params.center_freq1)
 		dfs_range += hostapd_is_dfs_overlap(
 			iface, bandwidth, settings.freq_params.center_freq1);
diff --git a/hostapd/hostapd_cli.c b/hostapd/hostapd_cli.c
index 0da18e2..6231e51 100644
--- a/hostapd/hostapd_cli.c
+++ b/hostapd/hostapd_cli.c
@@ -1693,7 +1693,7 @@ static const struct hostapd_cli_cmd hostapd_cli_commands[] = {
 	  "<addr> = send QoS Map Configure frame" },
 	{ "chan_switch", hostapd_cli_cmd_chan_switch, NULL,
 	  "<cs_count> <freq> [sec_channel_offset=] [center_freq1=]\n"
-	  "  [center_freq2=] [bandwidth=] [blocktx] [ht|vht]\n"
+	  "  [center_freq2=] [bandwidth=] [blocktx] [ht|vht] [skip_cac]\n"
 	  "  = initiate channel switch announcement" },
 	{ "hs20_wnm_notif", hostapd_cli_cmd_hs20_wnm_notif, NULL,
 	  "<addr> <url>\n"
diff --git a/src/ap/ctrl_iface_ap.c b/src/ap/ctrl_iface_ap.c
index 18bae5c..2fae590 100644
--- a/src/ap/ctrl_iface_ap.c
+++ b/src/ap/ctrl_iface_ap.c
@@ -938,6 +938,7 @@ int hostapd_parse_csa_settings(const char *pos,
 	settings->freq_params.vht_enabled = !!os_strstr(pos, " vht");
 	settings->freq_params.he_enabled = !!os_strstr(pos, " he");
 	settings->freq_params.eht_enabled = !!os_strstr(pos, " eht");
+	settings->freq_params.radar_background = !!os_strstr(pos, " skip_cac");
 	settings->block_tx = !!os_strstr(pos, " blocktx");
 #undef SET_CSA_SETTING
 
-- 
2.18.0