diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index ec157885da13..a9dcc98b6af1 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -5283,6 +5283,8 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->hw_features |= NETIF_F_RXALL; dev->hw_features |= NETIF_F_RXFCS; + netdev_sw_irq_coalesce_default_on(dev); + /* configure chip for default features */ rtl8169_set_features(dev, dev->features); diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 5aa35c58c342..f78db610ada5 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -78,6 +78,7 @@ struct xdp_buff; void synchronize_net(void); void netdev_set_default_ethtool_ops(struct net_device *dev, const struct ethtool_ops *ops); +void netdev_sw_irq_coalesce_default_on(struct net_device *dev); /* Backlog congestion levels */ #define NET_RX_SUCCESS 0 /* keep 'em coming, baby */ diff --git a/net/core/dev.c b/net/core/dev.c index 7627c475d991..b76fb37b381e 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -10517,6 +10517,22 @@ void netdev_set_default_ethtool_ops(struct net_device *dev, } EXPORT_SYMBOL_GPL(netdev_set_default_ethtool_ops); +/** + * netdev_sw_irq_coalesce_default_on() - enable SW IRQ coalescing by default + * @dev: netdev to enable the IRQ coalescing on + * + * Sets a conservative default for SW IRQ coalescing. Users can use + * sysfs attributes to override the default values. + */ +void netdev_sw_irq_coalesce_default_on(struct net_device *dev) +{ + WARN_ON(dev->reg_state == NETREG_REGISTERED); + + dev->gro_flush_timeout = 20000; + dev->napi_defer_hard_irqs = 1; +} +EXPORT_SYMBOL_GPL(netdev_sw_irq_coalesce_default_on); + void netdev_freemem(struct net_device *dev) { char *addr = (char *)dev - dev->padded;