diff --git a/netdev.c b/netdev.c
index a512022..98e3d57 100644
--- a/netdev.c
+++ b/netdev.c
@@ -146,7 +146,7 @@ static int get_counter_delta(__u32 new, __u32 old)
 }
 
 void
-iface_dump(void)
+iface_dump(int delta)
 {
 	struct iface *iface;
 
@@ -176,28 +176,43 @@ iface_dump(void)
 			blobmsg_close_array(&b, d);
 		}
 
-		d = blobmsg_open_table(&b, "stats");
-		blobmsg_add_u32(&b, "rx_packets",
-			get_counter_delta(iface->stats.rx_packets, iface->stats_old.rx_packets));
-		blobmsg_add_u32(&b, "tx_packets",
-			get_counter_delta(iface->stats.tx_packets, iface->stats_old.tx_packets));
-	        blobmsg_add_u32(&b, "rx_bytes",
-			get_counter_delta(iface->stats.rx_bytes, iface->stats_old.rx_bytes));
-	        blobmsg_add_u32(&b, "tx_bytes",
-			get_counter_delta(iface->stats.tx_bytes, iface->stats_old.tx_bytes));
-	        blobmsg_add_u32(&b, "rx_errors",
-			get_counter_delta(iface->stats.rx_errors, iface->stats_old.rx_errors));
-	        blobmsg_add_u32(&b, "tx_errors",
-			get_counter_delta(iface->stats.tx_errors, iface->stats_old.tx_errors));
-	        blobmsg_add_u32(&b, "rx_dropped",
-			get_counter_delta(iface->stats.rx_dropped, iface->stats_old.rx_dropped));
-	        blobmsg_add_u32(&b, "tx_dropped",
-			get_counter_delta(iface->stats.tx_dropped, iface->stats_old.tx_dropped));
-	        blobmsg_add_u32(&b, "multicast",
-			get_counter_delta(iface->stats.multicast, iface->stats_old.multicast));
-	        blobmsg_add_u32(&b, "collisions",
-			get_counter_delta(iface->stats.collisions, iface->stats_old.collisions));
+		d = blobmsg_open_table(&b, "counters");
+		blobmsg_add_u32(&b, "rx_packets", iface->stats.rx_packets);
+		blobmsg_add_u32(&b, "tx_packets", iface->stats.tx_packets);
+	        blobmsg_add_u32(&b, "rx_bytes", iface->stats.rx_bytes);
+	        blobmsg_add_u32(&b, "tx_bytes", iface->stats.tx_bytes);
+	        blobmsg_add_u32(&b, "rx_errors", iface->stats.rx_errors);
+	        blobmsg_add_u32(&b, "tx_errors", iface->stats.tx_errors);
+	        blobmsg_add_u32(&b, "rx_dropped", iface->stats.rx_dropped);
+	        blobmsg_add_u32(&b, "tx_dropped", iface->stats.tx_dropped);
+	        blobmsg_add_u32(&b, "multicast", iface->stats.multicast);
+	        blobmsg_add_u32(&b, "collisions", iface->stats.collisions);
 		blobmsg_close_table(&b, d);
+
+		if (delta) {
+			d = blobmsg_open_table(&b, "deltas");
+			blobmsg_add_u32(&b, "rx_packets",
+				get_counter_delta(iface->stats.rx_packets, iface->stats_old.rx_packets));
+			blobmsg_add_u32(&b, "tx_packets",
+				get_counter_delta(iface->stats.tx_packets, iface->stats_old.tx_packets));
+		        blobmsg_add_u32(&b, "rx_bytes",
+				get_counter_delta(iface->stats.rx_bytes, iface->stats_old.rx_bytes));
+		        blobmsg_add_u32(&b, "tx_bytes",
+				get_counter_delta(iface->stats.tx_bytes, iface->stats_old.tx_bytes));
+		        blobmsg_add_u32(&b, "rx_errors",
+				get_counter_delta(iface->stats.rx_errors, iface->stats_old.rx_errors));
+		        blobmsg_add_u32(&b, "tx_errors",
+				get_counter_delta(iface->stats.tx_errors, iface->stats_old.tx_errors));
+		        blobmsg_add_u32(&b, "rx_dropped",
+				get_counter_delta(iface->stats.rx_dropped, iface->stats_old.rx_dropped));
+		        blobmsg_add_u32(&b, "tx_dropped",
+				get_counter_delta(iface->stats.tx_dropped, iface->stats_old.tx_dropped));
+		        blobmsg_add_u32(&b, "multicast",
+				get_counter_delta(iface->stats.multicast, iface->stats_old.multicast));
+		        blobmsg_add_u32(&b, "collisions",
+				get_counter_delta(iface->stats.collisions, iface->stats_old.collisions));
+			blobmsg_close_table(&b, d);
+		}
 		memcpy(&iface->stats_old, &iface->stats, sizeof(iface->stats));
 
 		bridge_dump_if(iface->name);
diff --git a/ubus.c b/ubus.c
index 176b353..10e8aa7 100644
--- a/ubus.c
+++ b/ubus.c
@@ -67,7 +67,24 @@ ubus_port_cb(struct ubus_context *ctx, struct ubus_object *obj,
 	     struct ubus_request_data *req, const char *method,
 	     struct blob_attr *msg)
 {
-	iface_dump();
+	enum {
+		DUMP_DELTA,
+		__DUMP_MAX
+	};
+
+	static const struct blobmsg_policy dump_policy[__DUMP_MAX] = {
+		[DUMP_DELTA] = { .name = "delta", .type = BLOBMSG_TYPE_INT32 },
+	};
+
+	struct blob_attr *tb[__DUMP_MAX];
+	int delta = 0;
+
+	blobmsg_parse(dump_policy, __DUMP_MAX, tb, blob_data(msg), blob_len(msg));
+
+	if (tb[DUMP_DELTA])
+		delta = blobmsg_get_u32(tb[DUMP_DELTA]);
+
+	iface_dump(delta);
 	ubus_send_reply(ctx, req, b.head);
 
 	return UBUS_STATUS_OK;
diff --git a/udevmand.h b/udevmand.h
index c1244af..3781a47 100644
--- a/udevmand.h
+++ b/udevmand.h
@@ -140,4 +140,4 @@ char *interface_resolve(char *device);
 
 void ethers_init(void);
 
-void iface_dump(void);
+void iface_dump(int delta);