netdev - Re: [PATCH v2 net-next] vlan: Add GRO support for non hardware accelerated vlan

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Message-Id: <20150601.165132.685895742264313831.davem@davemloft.net>
Date:	Mon, 01 Jun 2015 16:51:32 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	makita.toshiaki@....ntt.co.jp
Cc:	kaber@...sh.net, eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH v2 net-next] vlan: Add GRO support for non hardware
 accelerated vlan

From: Toshiaki Makita <makita.toshiaki@....ntt.co.jp>
Date: Mon,  1 Jun 2015 21:55:06 +0900

> Currently packets with non-hardware-accelerated vlan cannot be handled
> by GRO. This causes low performance for 802.1ad and stacked vlan, as their
> vlan tags are currently not stripped by hardware.
> 
> This patch adds GRO support for non-hardware-accelerated vlan and
> improves receive performance of them.
> 
> Test Environment:
>  vlan device (.1Q) on vlan device (.1ad) on ixgbe (82599)
> 
> Result:
 ...
> Signed-off-by: Toshiaki Makita <makita.toshiaki@....ntt.co.jp>

So I applied this, but gave the new offloads a priority of 10.

Thanks.
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