P2P: Add Secondary Device Type list in Probe Response frames

Add Secondary Device Type List attribute in WSC IE for P2P
Probe Response frames if one or more secondary device types
are configured.

Signed-off-by: Jean-Michel Bachot <jean-michelx.bachot@linux.intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

src/p2p/p2p_build.c

@@ -385,5 +385,14 @@ void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, u16 pw_id,
 
 	wps_build_wfa_ext(buf, 0, NULL, 0);
 
+	if (all_attr && p2p->cfg->num_sec_dev_types) {
+		wpabuf_put_be16(buf, ATTR_SECONDARY_DEV_TYPE_LIST);
+		wpabuf_put_be16(buf, WPS_DEV_TYPE_LEN *
+				p2p->cfg->num_sec_dev_types);
+		wpabuf_put_data(buf, p2p->cfg->sec_dev_type,
+				WPS_DEV_TYPE_LEN *
+				p2p->cfg->num_sec_dev_types);
+	}
+
 	p2p_buf_update_ie_hdr(buf, len);
 }