[PATCH 2/5] RRM: Send Radio Measurement response when beacon report scan fails

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From: Avraham Stern <avraham.stern@xxxxxxxxx>

When failing to trigger scan for beacon report (e.g., when the
requested duration is not supported by the driver), send a
Radio Measurement response with the mode set to refused and don't
retry the scan.

Signed-off-by: Avraham Stern <avraham.stern@xxxxxxxxx>
---
 wpa_supplicant/rrm.c              | 2 +-
 wpa_supplicant/scan.c             | 7 ++++++-
 wpa_supplicant/wpa_supplicant_i.h | 2 +-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/wpa_supplicant/rrm.c b/wpa_supplicant/rrm.c
index 32c8a06..deb57df 100644
--- a/wpa_supplicant/rrm.c
+++ b/wpa_supplicant/rrm.c
@@ -870,7 +870,7 @@ static void wpas_beacon_rep_table(struct wpa_supplicant *wpa_s,
 }
 
 
-static void wpas_rrm_refuse_request(struct wpa_supplicant *wpa_s)
+void wpas_rrm_refuse_request(struct wpa_supplicant *wpa_s)
 {
 	if (!is_multicast_ether_addr(wpa_s->rrm.dst_addr)) {
 		struct wpabuf *buf = NULL;
diff --git a/wpa_supplicant/scan.c b/wpa_supplicant/scan.c
index 85b732f..62e916a 100644
--- a/wpa_supplicant/scan.c
+++ b/wpa_supplicant/scan.c
@@ -200,7 +200,8 @@ static void wpas_trigger_scan_cb(struct wpa_radio_work *work, int deinit)
 	wpa_scan_free_params(params);
 	work->ctx = NULL;
 	if (ret) {
-		int retry = wpa_s->last_scan_req != MANUAL_SCAN_REQ;
+		int retry = wpa_s->last_scan_req != MANUAL_SCAN_REQ &&
+			!wpa_s->beacon_rep_data.token;
 
 		if (wpa_s->disconnected)
 			retry = 0;
@@ -222,6 +223,10 @@ static void wpas_trigger_scan_cb(struct wpa_radio_work *work, int deinit)
 			/* Clear the scan_res_handler */
 			wpa_s->scan_res_handler = NULL;
 		}
+
+		if (wpa_s->beacon_rep_data.token)
+			wpas_rrm_refuse_request(wpa_s);
+
 		return;
 	}
 
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index e5c7272..e792b1a 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -1283,7 +1283,7 @@ int wpas_beacon_rep_scan_process(struct wpa_supplicant *wpa_s,
 				 struct scan_info *info);
 void wpas_clear_beacon_rep_data(struct wpa_supplicant *wpa_s);
 void wpas_flush_fils_hlp_req(struct wpa_supplicant *wpa_s);
-
+void wpas_rrm_refuse_request(struct wpa_supplicant *wpa_s);
 
 /* MBO functions */
 int wpas_mbo_ie(struct wpa_supplicant *wpa_s, u8 *buf, size_t len);
-- 
1.9.1


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