WPS: Add builder functions for AP Channel and RF Bands attributes

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

src/wps/wps_attr_build.c

@@ -449,3 +449,23 @@ int wps_build_mac_addr(struct wpabuf *msg, const u8 *addr)
 	wpabuf_put_data(msg, addr, ETH_ALEN);
 	return 0;
 }
+
+
+int wps_build_rf_bands_attr(struct wpabuf *msg, u8 rf_bands)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * RF Bands (%x)", rf_bands);
+	wpabuf_put_be16(msg, ATTR_RF_BANDS);
+	wpabuf_put_be16(msg, 1);
+	wpabuf_put_u8(msg, rf_bands);
+	return 0;
+}
+
+
+int wps_build_ap_channel(struct wpabuf *msg, u16 ap_channel)
+{
+	wpa_printf(MSG_DEBUG, "WPS:  * AP Channel (%u)", ap_channel);
+	wpabuf_put_be16(msg, ATTR_AP_CHANNEL);
+	wpabuf_put_be16(msg, 2);
+	wpabuf_put_be16(msg, ap_channel);
+	return 0;
+}

src/wps/wps_dev_attr.c

@@ -220,11 +220,7 @@ int wps_build_vendor_ext_m1(struct wps_device_data *dev, struct wpabuf *msg)
 int wps_build_rf_bands(struct wps_device_data *dev, struct wpabuf *msg,
 		       u8 rf_band)
 {
-	wpa_printf(MSG_DEBUG, "WPS:  * RF Bands (%x)", dev->rf_bands);
-	wpabuf_put_be16(msg, ATTR_RF_BANDS);
-	wpabuf_put_be16(msg, 1);
-	wpabuf_put_u8(msg, rf_band ? rf_band : dev->rf_bands);
-	return 0;
+	return wps_build_rf_bands_attr(msg, rf_band ? rf_band : dev->rf_bands);
 }
 
 

src/wps/wps_i.h

@@ -173,6 +173,8 @@ int wps_build_oob_dev_pw(struct wpabuf *msg, u16 dev_pw_id,
 			 size_t dev_pw_len);
 struct wpabuf * wps_ie_encapsulate(struct wpabuf *data);
 int wps_build_mac_addr(struct wpabuf *msg, const u8 *addr);
+int wps_build_rf_bands_attr(struct wpabuf *msg, u8 rf_bands);
+int wps_build_ap_channel(struct wpabuf *msg, u16 ap_channel);
 
 /* wps_attr_process.c */
 int wps_process_authenticator(struct wps_data *wps, const u8 *authenticator,