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

From: Chris Metcalf <[email-masked]>
Date: Tue, 23 Jul 2013 18:26:19 -0400

On 7/23/2013 5:19 PM, Eric Dumazet wrote:
> On Tue, 2013-07-23 at 16:05 -0400, Chris Metcalf wrote:
>> Signed-off-by: Chris Metcalf <[email-masked]>
>> ---
>>  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;

Thanks; I removed the line from my tile-net-next tree so it will get pulled without it.

-- 
Chris Metcalf, Tilera Corp.
http://www.tilera.com