Lower RX_MGMT driver event debug level for Beacon frames

This event can be very frequent in AP mode when Beacon frames from
neighboring BSSes are delivered to user space. Drop the debug
message priority from DEBUG to EXCESSIVE for Beacon frames.

Signed-hostap: Jouni Malinen <j@w1.fi>

src/ap/drv_callbacks.c

@@ -469,9 +469,23 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 			  union wpa_event_data *data)
 {
 	struct hostapd_data *hapd = ctx;
+#ifndef CONFIG_NO_STDOUT_DEBUG
+	int level = MSG_DEBUG;
 
-	wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Event %s (%d) received",
+	if (event == EVENT_RX_MGMT && data && data->rx_mgmt.frame &&
+	    data->rx_mgmt.frame_len >= 24) {
+		const struct ieee80211_hdr *hdr;
+		u16 fc;
+		hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
+		fc = le_to_host16(hdr->frame_control);
+		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
+			level = MSG_EXCESSIVE;
+	}
+
+	wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
 		event_to_string(event), event);
+#endif /* CONFIG_NO_STDOUT_DEBUG */
 
 	switch (event) {
 	case EVENT_MICHAEL_MIC_FAILURE:

wpa_supplicant/events.c

@@ -1997,8 +1997,25 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 		return;
 	}
 
-	wpa_dbg(wpa_s, MSG_DEBUG, "Event %s (%d) received",
+#ifndef CONFIG_NO_STDOUT_DEBUG
+{
+	int level = MSG_DEBUG;
+
+	if (event == EVENT_RX_MGMT && data && data->rx_mgmt.frame &&
+	    data->rx_mgmt.frame_len >= 24) {
+		const struct ieee80211_hdr *hdr;
+		u16 fc;
+		hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
+		fc = le_to_host16(hdr->frame_control);
+		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
+			level = MSG_EXCESSIVE;
+	}
+
+	wpa_dbg(wpa_s, level, "Event %s (%d) received",
 		event_to_string(event), event);
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
 
 	switch (event) {
 	case EVENT_AUTH: