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https://github.com/openwrt/openwrt.git
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97a6ef513f
* fixes default affinity * adds a napi watchdog - we were seeing stalled TX queues * adds up/down locking Signed-off-by: John Crispin <john@phrozen.org>
74 lines
2.4 KiB
Diff
74 lines
2.4 KiB
Diff
Index: linux-4.9.44/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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===================================================================
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--- linux-4.9.44.orig/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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+++ linux-4.9.44/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@@ -851,6 +851,7 @@ static void mtk_stop_queue(struct mtk_et
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continue;
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netif_stop_queue(eth->netdev[i]);
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}
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+ mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
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}
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static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev)
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@@ -1885,6 +1886,19 @@ static int mtk_start_dma(struct mtk_eth
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return 0;
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}
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+#define NAPI_TIMER_EXPIRE HZ
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+
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+static void napi_timer_handler(unsigned long priv)
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+{
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+ struct mtk_eth *eth = (struct mtk_eth*) priv;
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+
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+ mtk_wake_queue(eth);
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+ mtk_handle_irq_rx(0, eth);
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+ mtk_handle_irq_tx(0, eth);
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+
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+ mod_timer(ð->napi_timer, jiffies + NAPI_TIMER_EXPIRE);
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+}
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+
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static int mtk_open(struct net_device *dev)
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{
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struct mtk_mac *mac = netdev_priv(dev);
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@@ -1901,6 +1915,9 @@ static int mtk_open(struct net_device *d
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napi_enable(ð->rx_napi);
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mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
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mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
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+
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+ setup_timer(ð->napi_timer, napi_timer_handler, (unsigned long) eth);
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+ mod_timer(ð->napi_timer, jiffies + NAPI_TIMER_EXPIRE);
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}
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atomic_inc(ð->dma_refcnt);
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@@ -1945,6 +1962,8 @@ static int mtk_stop(struct net_device *d
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if (!atomic_dec_and_test(ð->dma_refcnt))
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return 0;
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+ del_timer(ð->napi_timer);
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+
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mtk_tx_irq_disable(eth, MTK_TX_DONE_INT);
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mtk_rx_irq_disable(eth, MTK_RX_DONE_INT);
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napi_disable(ð->tx_napi);
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@@ -2524,7 +2543,7 @@ static int mtk_add_mac(struct mtk_eth *e
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mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET;
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SET_NETDEV_DEV(eth->netdev[id], eth->dev);
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- eth->netdev[id]->watchdog_timeo = 15 * HZ;
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+ eth->netdev[id]->watchdog_timeo = 30 * HZ;
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eth->netdev[id]->netdev_ops = &mtk_netdev_ops;
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eth->netdev[id]->base_addr = (unsigned long)eth->base;
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Index: linux-4.9.44/drivers/net/ethernet/mediatek/mtk_eth_soc.h
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===================================================================
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--- linux-4.9.44.orig/drivers/net/ethernet/mediatek/mtk_eth_soc.h
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+++ linux-4.9.44/drivers/net/ethernet/mediatek/mtk_eth_soc.h
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@@ -601,6 +601,8 @@ struct mtk_eth {
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struct mii_bus *mii_bus;
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struct work_struct pending_work;
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unsigned long state;
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+
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+ struct timer_list napi_timer;
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};
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/* struct mtk_mac - the structure that holds the info about the MACs of the
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