netdev - Re: [PATCH 09/13] tile: enable GRO in the tilegx network driver

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Date:	Tue, 23 Jul 2013 14:19:11 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Chris Metcalf <cmetcalf@...era.com>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 09/13] tile: enable GRO in the tilegx network driver

On Tue, 2013-07-23 at 16:05 -0400, Chris Metcalf wrote:
> Signed-off-by: Chris Metcalf <cmetcalf@...era.com>
> ---
>  drivers/net/ethernet/tile/tilegx.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
> index b34fd2c..9c128ff 100644
> --- a/drivers/net/ethernet/tile/tilegx.c
> +++ b/drivers/net/ethernet/tile/tilegx.c
> @@ -458,7 +458,7 @@ static void tile_net_receive_skb(struct net_device *dev, struct sk_buff *skb,
>  	/* Get RX timestamp from idesc. */
>  	tile_rx_timestamp(skb, idesc);
>  
> -	netif_receive_skb(skb);
> +	napi_gro_receive(&info->napi, skb);
>  
>  	/* Update stats. */
>  	tile_net_stats_add(1, &dev->stats.rx_packets);
> @@ -1880,6 +1880,7 @@ static void tile_net_setup(struct net_device *dev)
>  	dev->features |= NETIF_F_HW_CSUM;
>  	dev->features |= NETIF_F_SG;
>  	dev->features |= NETIF_F_TSO;
> +	dev->features |= NETIF_F_GRO;

This line should not be needed

register_netdevice() does it for all devices :

dev->hw_features |= NETIF_F_SOFT_FEATURES;
dev->features |= NETIF_F_SOFT_FEATURES;


 


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