Make update_idx available in BSS control interface command

This can be used to perform more accurate tests on BSS entry updates.

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

src/common/wpa_ctrl.h

@@ -313,6 +313,7 @@ extern "C" {
 #define WPA_BSS_MASK_SNR		BIT(19)
 #define WPA_BSS_MASK_EST_THROUGHPUT	BIT(20)
 #define WPA_BSS_MASK_FST		BIT(21)
+#define WPA_BSS_MASK_UPDATE_IDX		BIT(22)
 
 
 /* VENDOR_ELEM_* frame id values */

wpa_supplicant/ctrl_iface.c

@@ -4442,6 +4442,14 @@ static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
 	}
 #endif /* CONFIG_FST */
 
+	if (mask & WPA_BSS_MASK_UPDATE_IDX) {
+		ret = os_snprintf(pos, end - pos, "update_idx=%u\n",
+				  bss->last_update_idx);
+		if (os_snprintf_error(end - pos, ret))
+			return 0;
+		pos += ret;
+	}
+
 	if (mask & WPA_BSS_MASK_DELIM) {
 		ret = os_snprintf(pos, end - pos, "====\n");
 		if (os_snprintf_error(end - pos, ret))