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			42 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From: Felix Fietkau <nbd@nbd.name>
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Date: Mon, 21 Mar 2022 20:39:59 +0100
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Subject: [PATCH] net: ethernet: mtk_eth_soc: enable threaded NAPI
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This can improve performance under load by ensuring that NAPI processing is
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not pinned on CPU 0.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@@ -3100,8 +3100,8 @@ static irqreturn_t mtk_handle_irq_rx(int
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 	eth->rx_events++;
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 	if (likely(napi_schedule_prep(ð->rx_napi))) {
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-		__napi_schedule(ð->rx_napi);
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 		mtk_rx_irq_disable(eth, eth->soc->txrx.rx_irq_done_mask);
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+		__napi_schedule(ð->rx_napi);
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 	}
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 	return IRQ_HANDLED;
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@@ -3113,8 +3113,8 @@ static irqreturn_t mtk_handle_irq_tx(int
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 	eth->tx_events++;
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 	if (likely(napi_schedule_prep(ð->tx_napi))) {
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-		__napi_schedule(ð->tx_napi);
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 		mtk_tx_irq_disable(eth, MTK_TX_DONE_INT);
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+		__napi_schedule(ð->tx_napi);
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 	}
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 	return IRQ_HANDLED;
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@@ -4888,6 +4888,8 @@ static int mtk_probe(struct platform_dev
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 	 * for NAPI to work
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 	 */
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 	init_dummy_netdev(ð->dummy_dev);
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+	eth->dummy_dev.threaded = 1;
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+	strcpy(eth->dummy_dev.name, "mtk_eth");
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 	netif_napi_add(ð->dummy_dev, ð->tx_napi, mtk_napi_tx,
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 		       NAPI_POLL_WEIGHT);
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 	netif_napi_add(ð->dummy_dev, ð->rx_napi, mtk_napi_rx,
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