+#ifdef CONFIG_MATCH_IFACE
+
+/**
+ * wpa_supplicant_match_iface - Match an interface description to a name
+ * @global: Pointer to global data from wpa_supplicant_init()
+ * @ifname: Name of the interface to match
+ * Returns: Pointer to the created interface description or %NULL on failure
+ */
+struct wpa_interface * wpa_supplicant_match_iface(struct wpa_global *global,
+ const char *ifname)
+{
+ int i;
+ struct wpa_interface *iface, *miface;
+
+ for (i = 0; i < global->params.match_iface_count; i++) {
+ miface = &global->params.match_ifaces[i];
+ if (!miface->ifname ||
+ fnmatch(miface->ifname, ifname, 0) == 0) {
+ iface = os_zalloc(sizeof(*iface));
+ if (!iface)
+ return NULL;
+ *iface = *miface;
+ iface->ifname = ifname;
+ return iface;
+ }
+ }
+
+ return NULL;
+}
+
+
+/**
+ * wpa_supplicant_match_existing - Match existing interfaces
+ * @global: Pointer to global data from wpa_supplicant_init()
+ * Returns: 0 on success, -1 on failure
+ */
+static int wpa_supplicant_match_existing(struct wpa_global *global)
+{
+ struct if_nameindex *ifi, *ifp;
+ struct wpa_supplicant *wpa_s;
+ struct wpa_interface *iface;
+
+ ifp = if_nameindex();
+ if (!ifp) {
+ wpa_printf(MSG_ERROR, "if_nameindex: %s", strerror(errno));
+ return -1;
+ }
+
+ for (ifi = ifp; ifi->if_name; ifi++) {
+ wpa_s = wpa_supplicant_get_iface(global, ifi->if_name);
+ if (wpa_s)
+ continue;
+ iface = wpa_supplicant_match_iface(global, ifi->if_name);
+ if (iface) {
+ wpa_s = wpa_supplicant_add_iface(global, iface, NULL);
+ os_free(iface);
+ if (wpa_s)
+ wpa_s->matched = 1;
+ }
+ }
+
+ if_freenameindex(ifp);
+ return 0;
+}
+
+#endif /* CONFIG_MATCH_IFACE */
+
+