netdev - Re: [PATCH net-next] xen-netfront: convert to GRO API and advertise this feature

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Message-ID: <1379861723.3431.10.camel@edumazet-glaptop>
Date:	Sun, 22 Sep 2013 07:55:23 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Wei Liu <wei.liu2@...rix.com>
Cc:	netdev@...r.kernel.org, xen-devel@...ts.xen.org,
	Anirban Chakraborty <abchak@...iper.net>,
	Ian Campbell <ian.campbell@...rix.com>
Subject: Re: [PATCH net-next] xen-netfront: convert to GRO API and advertise
 this feature

On Sat, 2013-09-21 at 17:05 +0100, Wei Liu wrote:
> Anirban was seeing netfront received MTU size packets, which downgraded
> throughput. The following patch makes netfront use GRO API which
> improves throughput for that case.

> -	netdev->hw_features	= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO;
> +	netdev->hw_features	= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO |
> +				  NETIF_F_GRO;


This part is not needed.


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