nl80211: Add vendor attribute for interface index

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

src/common/qca-vendor.h

@@ -64,6 +64,8 @@ enum qca_wlan_vendor_attr {
 	QCA_WLAN_VENDOR_ATTR_NAN     = 2,
 	/* used by QCA_NL80211_VENDOR_SUBCMD_STATS_EXT */
 	QCA_WLAN_VENDOR_ATTR_STATS_EXT     = 3,
+	/* used by QCA_NL80211_VENDOR_SUBCMD_STATS_EXT */
+	QCA_WLAN_VENDOR_ATTR_IFINDEX     = 4,
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_AFTER_LAST,
 	QCA_WLAN_VENDOR_ATTR_MAX	= QCA_WLAN_VENDOR_ATTR_AFTER_LAST - 1,