lede/target/linux/generic/pending-5.4/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch
lovehackintosh 6fc2d00f25
kernel: bump 5.4 to 5.4.214 (#10170)
Manually rebased:
 generic/hack-5.4/953-net-patch-linux-kernel-to-support-shortcut-fe.patch
 ipq806x/patches-5.4/0063-2-tsens-support-configurable-interrupts.patch
 layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch
 layerscape/patches-5.4/820-usb-0009-usb-dwc3-Add-workaround-for-host-mode-VBUS-glitch-wh.patch
 layerscape/patches-5.4/801-audio-0008-Revert-ASoC-Remove-dev_err-usage-after-platform_get_.patch
 octeon/patches-5.4/700-allocate_interface_by_label.patch

All other patches automatically rebased.

Signed-off-by: Liu Linhui <liulinhui36@gmail.com>

Signed-off-by: Liu Linhui <liulinhui36@gmail.com>
2022-09-24 12:09:08 +08:00

42 lines
1.3 KiB
Diff

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
struct mtk_eth *eth = _eth;
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;
@@ -2183,8 +2183,8 @@ static irqreturn_t mtk_handle_irq_tx(int
struct mtk_eth *eth = _eth;
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;
@@ -3107,6 +3107,8 @@ 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,