diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c
index 86f1aa6df..8ab29412b 100644
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -2130,7 +2130,8 @@ static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
 }
 
 
-static void hostapd_ctrl_iface_msg_cb(void *ctx, int level, int global,
+static void hostapd_ctrl_iface_msg_cb(void *ctx, int level,
+				      enum wpa_msg_type type,
 				      const char *txt, size_t len)
 {
 	struct hostapd_data *hapd = ctx;
diff --git a/src/utils/wpa_debug.c b/src/utils/wpa_debug.c
index 0d1190518..82a899988 100644
--- a/src/utils/wpa_debug.c
+++ b/src/utils/wpa_debug.c
@@ -635,7 +635,7 @@ void wpa_msg(void *ctx, int level, const char *fmt, ...)
 	va_end(ap);
 	wpa_printf(level, "%s%s", prefix, buf);
 	if (wpa_msg_cb)
-		wpa_msg_cb(ctx, level, 0, buf, len);
+		wpa_msg_cb(ctx, level, WPA_MSG_PER_INTERFACE, buf, len);
 	os_free(buf);
 }
 
@@ -663,7 +663,7 @@ void wpa_msg_ctrl(void *ctx, int level, const char *fmt, ...)
 	va_start(ap, fmt);
 	len = vsnprintf(buf, buflen, fmt, ap);
 	va_end(ap);
-	wpa_msg_cb(ctx, level, 0, buf, len);
+	wpa_msg_cb(ctx, level, WPA_MSG_PER_INTERFACE, buf, len);
 	os_free(buf);
 }
 
@@ -690,7 +690,7 @@ void wpa_msg_global(void *ctx, int level, const char *fmt, ...)
 	va_end(ap);
 	wpa_printf(level, "%s", buf);
 	if (wpa_msg_cb)
-		wpa_msg_cb(ctx, level, 1, buf, len);
+		wpa_msg_cb(ctx, level, WPA_MSG_GLOBAL, buf, len);
 	os_free(buf);
 }
 
@@ -718,7 +718,7 @@ void wpa_msg_global_ctrl(void *ctx, int level, const char *fmt, ...)
 	va_start(ap, fmt);
 	len = vsnprintf(buf, buflen, fmt, ap);
 	va_end(ap);
-	wpa_msg_cb(ctx, level, 1, buf, len);
+	wpa_msg_cb(ctx, level, WPA_MSG_GLOBAL, buf, len);
 	os_free(buf);
 }
 
@@ -745,7 +745,7 @@ void wpa_msg_no_global(void *ctx, int level, const char *fmt, ...)
 	va_end(ap);
 	wpa_printf(level, "%s", buf);
 	if (wpa_msg_cb)
-		wpa_msg_cb(ctx, level, 2, buf, len);
+		wpa_msg_cb(ctx, level, WPA_MSG_NO_GLOBAL, buf, len);
 	os_free(buf);
 }
 
diff --git a/src/utils/wpa_debug.h b/src/utils/wpa_debug.h
index 400bea9e5..5fdc50ef5 100644
--- a/src/utils/wpa_debug.h
+++ b/src/utils/wpa_debug.h
@@ -243,7 +243,13 @@ PRINTF_FORMAT(3, 4);
 void wpa_msg_no_global(void *ctx, int level, const char *fmt, ...)
 PRINTF_FORMAT(3, 4);
 
-typedef void (*wpa_msg_cb_func)(void *ctx, int level, int global,
+enum wpa_msg_type {
+	WPA_MSG_PER_INTERFACE,
+	WPA_MSG_GLOBAL,
+	WPA_MSG_NO_GLOBAL,
+};
+
+typedef void (*wpa_msg_cb_func)(void *ctx, int level, enum wpa_msg_type type,
 				const char *txt, size_t len);
 
 /**
diff --git a/wpa_supplicant/ctrl_iface_named_pipe.c b/wpa_supplicant/ctrl_iface_named_pipe.c
index dc02db213..54e0e2fac 100644
--- a/wpa_supplicant/ctrl_iface_named_pipe.c
+++ b/wpa_supplicant/ctrl_iface_named_pipe.c
@@ -423,7 +423,8 @@ static int ctrl_iface_parse(struct ctrl_iface_priv *priv, const char *params)
 }
 
 
-static void wpa_supplicant_ctrl_iface_msg_cb(void *ctx, int level, int global,
+static void wpa_supplicant_ctrl_iface_msg_cb(void *ctx, int level,
+					     enum wpa_msg_type type,
 					     const char *txt, size_t len)
 {
 	struct wpa_supplicant *wpa_s = ctx;
diff --git a/wpa_supplicant/ctrl_iface_udp.c b/wpa_supplicant/ctrl_iface_udp.c
index bf6a3df6c..76f69f2b5 100644
--- a/wpa_supplicant/ctrl_iface_udp.c
+++ b/wpa_supplicant/ctrl_iface_udp.c
@@ -322,7 +322,8 @@ static void wpa_supplicant_ctrl_iface_receive(int sock, void *eloop_ctx,
 }
 
 
-static void wpa_supplicant_ctrl_iface_msg_cb(void *ctx, int level, int global,
+static void wpa_supplicant_ctrl_iface_msg_cb(void *ctx, int level,
+					     enum wpa_msg_type type,
 					     const char *txt, size_t len)
 {
 	struct wpa_supplicant *wpa_s = ctx;
diff --git a/wpa_supplicant/ctrl_iface_unix.c b/wpa_supplicant/ctrl_iface_unix.c
index b1ac76668..22001cf68 100644
--- a/wpa_supplicant/ctrl_iface_unix.c
+++ b/wpa_supplicant/ctrl_iface_unix.c
@@ -295,7 +295,8 @@ static char * wpa_supplicant_ctrl_iface_path(struct wpa_supplicant *wpa_s)
 }
 
 
-static void wpa_supplicant_ctrl_iface_msg_cb(void *ctx, int level, int global,
+static void wpa_supplicant_ctrl_iface_msg_cb(void *ctx, int level,
+					     enum wpa_msg_type type,
 					     const char *txt, size_t len)
 {
 	struct wpa_supplicant *wpa_s = ctx;
@@ -303,15 +304,14 @@ static void wpa_supplicant_ctrl_iface_msg_cb(void *ctx, int level, int global,
 	if (wpa_s == NULL)
 		return;
 
-	if (global != 2 && wpa_s->global->ctrl_iface) {
+	if (type != WPA_MSG_NO_GLOBAL && wpa_s->global->ctrl_iface) {
 		struct ctrl_iface_global_priv *priv = wpa_s->global->ctrl_iface;
 		if (!dl_list_empty(&priv->ctrl_dst)) {
-			wpa_supplicant_ctrl_iface_send(wpa_s, global ? NULL :
-						       wpa_s->ifname,
-						       priv->sock,
-						       &priv->ctrl_dst,
-						       level, txt, len, NULL,
-						       priv);
+			wpa_supplicant_ctrl_iface_send(
+				wpa_s,
+				type == WPA_MSG_GLOBAL ? NULL : wpa_s->ifname,
+				priv->sock, &priv->ctrl_dst, level, txt, len,
+				NULL, priv);
 		}
 	}