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

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Message-ID: <20210107124128.3d989c45@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Thu, 7 Jan 2021 12:41:28 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Sieng Piaw Liew <liew.s.piaw@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3 0/7] bcm63xx_enet: major makeover of driver

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!