[PATCH 7/7] wpa_supplicant: Do not allow fast associate before scanning 6 GHz

Andrei Otcheretianski andrei.otcheretianski at intel.com
Mon Apr 8 06:07:01 PDT 2024


From: Ilan Peer <ilan.peer at intel.com>

In case the channel map was updated to include the 6 GHz but these channels
were not scanned yet, do not allow fast associate.

Signed-off-by: Ilan Peer <ilan.peer at intel.com>
---
 wpa_supplicant/events.c | 10 ++++++----
 wpa_supplicant/scan.c   |  6 ++++++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index bfe3d85e8f..96054f264a 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -2852,6 +2852,9 @@ int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
 			       wpa_s->conf->scan_res_valid_for_connect)) {
 		wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
 		return -1;
+	} else if (wpa_s->crossed_6ghz_dom) {
+		wpa_printf(MSG_DEBUG, "Fast associate: crossed 6 GHz dom");
+		return -1;
 	}
 
 	return wpas_select_network_from_last_scan(wpa_s, 0, 1, false, NULL);
@@ -5234,11 +5237,10 @@ void wpa_supplicant_update_channel_list(struct wpa_supplicant *wpa_s,
 			wpa_dbg(ifs, MSG_DEBUG,
 				"Channel list changed - restart sched_scan");
 			wpas_scan_restart_sched_scan(ifs);
-		} else if (ifs->scanning && !was_6ghz_enabled &&
-			   ifs->is_6ghz_enabled) {
-			/* Look for APs in the 6 GHz band */
+		} else if (!was_6ghz_enabled && ifs->is_6ghz_enabled) {
 			wpa_dbg(ifs, MSG_INFO,
-				"Channel list changed - trigger 6 GHz-only scan");
+				"Channel list changed: 6 GHz are enabled");
+
 			ifs->crossed_6ghz_dom = true;
 		}
 	}
diff --git a/wpa_supplicant/scan.c b/wpa_supplicant/scan.c
index 2db4d8b910..e591f22507 100644
--- a/wpa_supplicant/scan.c
+++ b/wpa_supplicant/scan.c
@@ -322,6 +322,12 @@ int wpa_supplicant_trigger_scan(struct wpa_supplicant *wpa_s,
 	}
 	wpa_s->last_scan_all_chan = !params->freqs;
 	wpa_s->last_scan_non_coloc_6ghz = params->non_coloc_6ghz;
+
+	if (wpa_s->crossed_6ghz_dom) {
+		wpa_printf(MSG_DEBUG, "First scan after crossing 6 GHz domain");
+		wpa_s->crossed_6ghz_dom = false;
+	}
+
 	if (!ctx ||
 	    radio_add_work(wpa_s, 0, "scan", next, wpas_trigger_scan_cb,
 			   ctx) < 0) {
-- 
2.43.0




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