netdev - Re: [PATCH v5 1/2] Renesas Ethernet AVB driver proper

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Date:	Tue, 09 Jun 2015 01:41:12 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	David Miller <davem@...emloft.net>
CC:	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, devicetree@...r.kernel.org,
	galak@...eaurora.org, netdev@...r.kernel.org,
	richardcochran@...il.com, linux-sh@...r.kernel.org,
	mitsuhiro.kimura.kc@...esas.com
Subject: Re: [PATCH v5 1/2] Renesas Ethernet AVB driver proper

On 06/09/2015 01:19 AM, David Miller wrote:

>>> Furthermore, you should pass the NAPI context into ravb_rx() and use

>>     I guess I should have one NAPI context per RX queue?

> Yes.

    Thanks, done.

>>> it so that you can invoke napi_gro_receive() on all of the packets and
>>> therefore support GRO.

>>     Hmm, I don't think I have a hardware support for generic RX offload...
>> I'm still unsure what it is anyway -- is it used for IP packet
>> defragmentation?

> It's completely implemented in software, you don't need to do anything
> other than properly invoke napi_gro_receive().

    Not even set NETIF_F_GRO?

WBR, Sergei

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