wlan-ap-Telecominfraproject/feeds/qca/hostapd/patches/r04-002-02-hostapd-unsolicited-broadcast-Probe-response-during-.patch

From 9e4e5929284051e82f990bb3ffba80a8418001b5 Mon Sep 17 00:00:00 2001
From: Yuvarani V <quic_yuvarani@quicinc.com>
Date: Wed, 22 Nov 2023 14:46:38 +0530
Subject: [PATCH] hostapd: unsolicited broadcast Probe response during CCA.

During color change announcement, if the unsol_bcast_presp interval is set,
then generate and send unsolicited broadcast Probe Response Frame to
driver to update the probe response template.

Signed-off-by: Rathees Kumar R Chinannan <quic_rrchinan@quicinc.com>
Signed-off-by: Yuvarani V <quic_yuvarani@quicinc.com>
---
 hostapd/ctrl_iface.c         | 6 ++++++
 src/ap/hostapd.c             | 2 ++
 src/drivers/driver.h         | 2 ++
 src/drivers/driver_nl80211.c | 5 +++++
 4 files changed, 15 insertions(+)

--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -2805,6 +2805,8 @@ static int hostapd_ctrl_iface_color_chan
 		if (hostapd_fill_cca_settings(bss, &settings)) {
 			wpa_printf(MSG_DEBUG, "hostapd fill cca settings failed for color: %d\n", color);
 			hostapd_cleanup_cca_params(bss);
+			if (settings.ubpr.unsol_bcast_probe_resp_tmpl)
+				os_free(settings.ubpr.unsol_bcast_probe_resp_tmpl);
 			continue;
 		}
 
@@ -2812,6 +2814,8 @@ static int hostapd_ctrl_iface_color_chan
 		ret = hostapd_drv_switch_color(bss, &settings);
 		free_beacon_data(&settings.beacon_cca);
 		free_beacon_data(&settings.beacon_after);
+		if (settings.ubpr.unsol_bcast_probe_resp_tmpl)
+			os_free(settings.ubpr.unsol_bcast_probe_resp_tmpl);
 
 		if (ret)
 			 hostapd_cleanup_cca_params(bss);
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -4629,6 +4629,8 @@ int hostapd_fill_cca_settings(struct hos
 		free_beacon_data(&settings->beacon_after);
 		return ret;
 	}
+	settings->ubpr.unsol_bcast_probe_resp_tmpl =
+		hostapd_unsol_bcast_probe_resp(hapd, &settings->ubpr);
 
 	settings->counter_offset_beacon = hapd->cca_c_off_beacon;
 	settings->counter_offset_presp = hapd->cca_c_off_proberesp;
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -2815,6 +2815,7 @@ struct csa_settings {
  * @beacon_after: Next Beacon/Probe Response/(Re)Association Response frame info
  * @counter_offset_beacon: Offset to the count field in Beacon frame tail
  * @counter_offset_presp: Offset to the count field in Probe Response frame
+ * @ubpr: unsolicited Probe Response frame
  */
 struct cca_settings {
 	u8 cca_count;
@@ -2825,6 +2826,7 @@ struct cca_settings {
 
 	u16 counter_offset_beacon;
 	u16 counter_offset_presp;
+	struct unsol_bcast_probe_resp ubpr;
 
 	/**
 	 * link_id: If >=0 indicates the link of the AP MLD to configure
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -11408,6 +11408,11 @@ static int nl80211_switch_color(void *pr
 			return -1;
 		}
 	}
+	if (settings->ubpr.unsol_bcast_probe_resp_interval &&
+			nl80211_unsol_bcast_probe_resp(bss, msg, &settings->ubpr) < 0) {
+		ret = -ENOBUFS;
+		goto error;
+	}
 
 	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {