diff options
Diffstat (limited to 'target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch')
| -rw-r--r-- | target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch b/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch new file mode 100644 index 0000000000..da9c040322 --- /dev/null +++ b/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch @@ -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(ð->rx_napi))) { +- __napi_schedule(ð->rx_napi); + mtk_rx_irq_disable(eth, MTK_RX_DONE_INT); ++ __napi_schedule(ð->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(ð->tx_napi))) { +- __napi_schedule(ð->tx_napi); + mtk_tx_irq_disable(eth, MTK_TX_DONE_INT); ++ __napi_schedule(ð->tx_napi); + } + + return IRQ_HANDLED; +@@ -3229,6 +3229,8 @@ static int mtk_probe(struct platform_dev + * for NAPI to work + */ + init_dummy_netdev(ð->dummy_dev); ++ eth->dummy_dev.threaded = 1; ++ strcpy(eth->dummy_dev.name, "mtk_eth"); + netif_napi_add(ð->dummy_dev, ð->tx_napi, mtk_napi_tx, + MTK_NAPI_WEIGHT); + netif_napi_add(ð->dummy_dev, ð->rx_napi, mtk_napi_rx, |