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From: David Miller <davem@davemloft.net>
To: sergei.shtylyov@cogentembedded.com
Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com,
	ijc+devicetree@hellion.org.uk, devicetree@vger.kernel.org,
	galak@codeaurora.org, netdev@vger.kernel.org,
	richardcochran@gmail.com, linux-sh@vger.kernel.org,
	mitsuhiro.kimura.kc@renesas.com
Subject: Re: [PATCH v5 1/2] Renesas Ethernet AVB driver proper
Date: Mon, 08 Jun 2015 15:19:54 -0700 (PDT)	[thread overview]
Message-ID: <20150608.151954.191885697349673611.davem@davemloft.net> (raw)
In-Reply-To: <55760CB0.1020503@cogentembedded.com>

From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Date: Tue, 09 Jun 2015 00:44:16 +0300

> On 06/04/2015 06:12 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.

> 
>> 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().

  reply	other threads:[~2015-06-08 22:19 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-02 20:44 [PATCH v5 1/2] Renesas Ethernet AVB driver proper Sergei Shtylyov
2015-06-04  3:12 ` David Miller
2015-06-08 21:44   ` Sergei Shtylyov
2015-06-08 22:19     ` David Miller [this message]
2015-06-08 22:41       ` Sergei Shtylyov
2015-06-08 22:43         ` David Miller
2015-06-09  0:12           ` Eric Dumazet

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