openwrt-cghmn-mt300n/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch
Daniel Golle 5b972d7272 generic: mtk_eth_soc: allow setting MDIO clock frequency
Backport patch allowing to set the MDIO bus clock frequency.
By default the MDIO bus clock runs on 2.5 MHz, allow increasing it
up to 25 MHz.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2023-03-27 19:07:54 +01:00

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
@@ -2993,8 +2993,8 @@ 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, eth->soc->txrx.rx_irq_done_mask);
+ __napi_schedule(&eth->rx_napi);
}
return IRQ_HANDLED;
@@ -3006,8 +3006,8 @@ 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;
@@ -4638,6 +4638,8 @@ 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,
NAPI_POLL_WEIGHT);
netif_napi_add(&eth->dummy_dev, &eth->rx_napi, mtk_napi_rx,