Re: [PATCH net-next v3 0/7] bcm63xx_enet: major makeover of driver

From: Jakub Kicinski
Date: Thu Jan 07 2021 - 15:42:34 EST


On Wed, 6 Jan 2021 22:42:01 +0800 Sieng Piaw Liew wrote:
> This patch series aim to improve the bcm63xx_enet driver by integrating the
> latest networking features, i.e. batched rx processing, BQL, build_skb,
> etc.
>
> The newer enetsw SoCs are found to be able to do unaligned rx DMA by adding
> NET_IP_ALIGN padding which, combined with these patches, improved packet
> processing performance by ~50% on BCM6328.
>
> Older non-enetsw SoCs still benefit mainly from rx batching. Performance
> improvement of ~30% is observed on BCM6333.
>
> The BCM63xx SoCs are designed for routers. As such, having BQL is
> beneficial as well as trivial to add.
>
> v3:
> * Simplify xmit_more patch by not moving around the code needlessly.
> * Fix indentation in xmit_more patch.
> * Fix indentation in build_skb patch.
> * Split rx ring cleanup patch from build_skb patch and precede build_skb
> patch for better understanding, as suggested by Florian Fainelli.
>
> v2:
> * Add xmit_more support and rx loop improvisation patches.
> * Moved BQL netdev_reset_queue() to bcm_enet_stop()/bcm_enetsw_stop()
> functions as suggested by Florian Fainelli.
> * Improved commit messages.

Applied, thanks!