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ramips/mediatek: enable threaded NAPI in the ethernet driver

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This commit is contained in:
lean 2022-03-24 14:22:05 +08:00
parent 3755e9c978
commit aa422c5375
2 changed files with 42 additions and 1 deletions
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41
target/linux/generic/pending-5.10/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch Normal file
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@ -0,0 +1,41 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Mon, 21 Mar 2022 20:39:59 +0100
Subject: [PATCH] net: ethernet: mtk_eth_soc: enable threaded NAPI
This can improve performance under load by ensuring that NAPI processing is
not pinned on CPU 0.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2171,8 +2171,8 @@ static irqreturn_t mtk_handle_irq_rx(int
eth->rx_events++;
if (likely(napi_schedule_prep(&eth->rx_napi))) {
- __napi_schedule(&eth->rx_napi);
mtk_rx_irq_disable(eth, MTK_RX_DONE_INT);
+ __napi_schedule(&eth->rx_napi);
}
return IRQ_HANDLED;
@@ -2184,8 +2184,8 @@ static irqreturn_t mtk_handle_irq_tx(int
eth->tx_events++;
if (likely(napi_schedule_prep(&eth->tx_napi))) {
- __napi_schedule(&eth->tx_napi);
mtk_tx_irq_disable(eth, MTK_TX_DONE_INT);
+ __napi_schedule(&eth->tx_napi);
}
return IRQ_HANDLED;
@@ -3229,6 +3229,8 @@ static int mtk_probe(struct platform_dev
* for NAPI to work
*/
init_dummy_netdev(&eth->dummy_dev);
+ eth->dummy_dev.threaded = 1;
+ strcpy(eth->dummy_dev.name, "mtk_eth");
netif_napi_add(&eth->dummy_dev, &eth->tx_napi, mtk_napi_tx,
MTK_NAPI_WEIGHT);
netif_napi_add(&eth->dummy_dev, &eth->rx_napi, mtk_napi_rx,

2
target/linux/mediatek/patches-5.10/510-net-mediatek-add-flow-offload-for-mt7623.patch
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@ -14,7 +14,7 @@ Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -3302,6 +3302,7 @@ static const struct mtk_soc_data mt7623_ @@ -3304,6 +3304,7 @@ static const struct mtk_soc_data mt7623_
.hw_features = MTK_HW_FEATURES, .hw_features = MTK_HW_FEATURES,
.required_clks = MT7623_CLKS_BITMAP, .required_clks = MT7623_CLKS_BITMAP,
.required_pctl = true, .required_pctl = true,