Extend VENDOR_ELEM parameters to cover non-P2P Probe Request frame

The new VENDOR_ELEM value 14 can now be used to add a vendor element
into Probe Request frames used by non-P2P active scans.

For example:
VENDOR_ELEM_ADD 14 dd05001122330a
and to clear that:
VENDOR_ELEM_REMOVE 14 *

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

src/common/wpa_ctrl.h

@@ -319,6 +319,7 @@ enum wpa_vendor_elem_frame {
 	VENDOR_ELEM_P2P_ASSOC_REQ = 11,
 	VENDOR_ELEM_P2P_ASSOC_RESP = 12,
 	VENDOR_ELEM_ASSOC_REQ = 13,
+	VENDOR_ELEM_PROBE_REQ = 14,
 	NUM_VENDOR_ELEM_FRAMES
 };
 

wpa_supplicant/scan.c

@@ -497,6 +497,13 @@ static struct wpabuf * wpa_supplicant_extra_ies(struct wpa_supplicant *wpa_s)
 		wpas_mbo_scan_ie(wpa_s, extra_ie);
 #endif /* CONFIG_MBO */
 
+	if (wpa_s->vendor_elem[VENDOR_ELEM_PROBE_REQ]) {
+		struct wpabuf *buf = wpa_s->vendor_elem[VENDOR_ELEM_PROBE_REQ];
+
+		if (wpabuf_resize(&extra_ie, wpabuf_len(buf)) == 0)
+			wpabuf_put_buf(extra_ie, buf);
+	}
+
 	return extra_ie;
 }