openwrtv3/target/linux/mediatek/patches-4.9/0060-eth-debug.patch

--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -851,6 +851,7 @@ static void mtk_stop_queue(struct mtk_et
 			continue;
 		netif_stop_queue(eth->netdev[i]);
 	}
+	mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
 }
 
 static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -1885,6 +1886,19 @@ static int mtk_start_dma(struct mtk_eth
 	return 0;
 }
 
+#define NAPI_TIMER_EXPIRE		HZ
+
+static void napi_timer_handler(unsigned long priv)
+{
+	struct mtk_eth *eth = (struct mtk_eth*) priv;
+
+	mtk_wake_queue(eth);
+	mtk_handle_irq_rx(0, eth);
+	mtk_handle_irq_tx(0, eth);
+
+	mod_timer(&eth->napi_timer, jiffies + NAPI_TIMER_EXPIRE);
+}
+
 static int mtk_open(struct net_device *dev)
 {
 	struct mtk_mac *mac = netdev_priv(dev);
@@ -1901,6 +1915,9 @@ static int mtk_open(struct net_device *d
 		napi_enable(&eth->rx_napi);
 		mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
 		mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
+
+		setup_timer(&eth->napi_timer, napi_timer_handler, (unsigned long) eth);
+		mod_timer(&eth->napi_timer, jiffies + NAPI_TIMER_EXPIRE);
 	}
 	atomic_inc(&eth->dma_refcnt);
 
@@ -1945,6 +1962,8 @@ static int mtk_stop(struct net_device *d
 	if (!atomic_dec_and_test(&eth->dma_refcnt))
 		return 0;
 
+	del_timer(&eth->napi_timer);
+
 	mtk_tx_irq_disable(eth, MTK_TX_DONE_INT);
 	mtk_rx_irq_disable(eth, MTK_RX_DONE_INT);
 	napi_disable(&eth->tx_napi);
@@ -2524,7 +2543,7 @@ static int mtk_add_mac(struct mtk_eth *e
 	mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET;
 
 	SET_NETDEV_DEV(eth->netdev[id], eth->dev);
-	eth->netdev[id]->watchdog_timeo = 15 * HZ;
+	eth->netdev[id]->watchdog_timeo = 30 * HZ;
 	eth->netdev[id]->netdev_ops = &mtk_netdev_ops;
 	eth->netdev[id]->base_addr = (unsigned long)eth->base;
 
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -601,6 +601,8 @@ struct mtk_eth {
 	struct mii_bus			*mii_bus;
 	struct work_struct		pending_work;
 	unsigned long			state;
+
+	struct timer_list		napi_timer;
 };
 
 /* struct mtk_mac -	the structure that holds the info about the MACs of the