netdev - Re: [PATCH 3/3] rocker: set feature NETIF_F_HW_SWITCH

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Date:	Thu, 4 Dec 2014 22:16:06 -0800
From:	Scott Feldman <sfeldma@...il.com>
To:	Jianhua Xie <jianhua.xie@...escale.com>
Cc:	Roopa Prabhu <roopa@...ulusnetworks.com>,
	Jiří Pírko <jiri@...nulli.us>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	Benjamin LaHaise <bcrl@...ck.org>, Thomas Graf <tgraf@...g.ch>,
	john fastabend <john.fastabend@...il.com>,
	"stephen@...workplumber.org" <stephen@...workplumber.org>,
	John Linville <linville@...driver.com>,
	"nhorman@...driver.com" <nhorman@...driver.com>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	"vyasevic@...hat.com" <vyasevic@...hat.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	"buytenh@...tstofly.org" <buytenh@...tstofly.org>,
	Aviad Raveh <aviadr@...lanox.com>,
	Netdev <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>, shm@...ulusnetworks.com,
	Andy Gospodarek <gospo@...ulusnetworks.com>
Subject: Re: [PATCH 3/3] rocker: set feature NETIF_F_HW_SWITCH_OFFLOAD

On Thu, Dec 4, 2014 at 7:25 PM, Jianhua Xie <jianhua.xie@...escale.com> wrote:
>
> 在 2014年12月05日 10:26, roopa@...ulusnetworks.com 写道:
>
>> From: Roopa Prabhu <roopa@...ulusnetworks.com>
>>
>> This patch just sets the feature flag on rocker ports
>> ---
>>   drivers/net/ethernet/rocker/rocker.c |    3 ++-
>>   1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/ethernet/rocker/rocker.c
>> b/drivers/net/ethernet/rocker/rocker.c
>> index fded127..3fe19b0 100644
>> --- a/drivers/net/ethernet/rocker/rocker.c
>> +++ b/drivers/net/ethernet/rocker/rocker.c
>> @@ -4003,7 +4003,8 @@ static int rocker_probe_port(struct rocker *rocker,
>> unsigned int port_number)
>>                        NAPI_POLL_WEIGHT);
>>         rocker_carrier_init(rocker_port);
>>   -     dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
>> +       dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER |
>> +                                        NETIF_F_HW_SWITCH_OFFLOAD;
>
> Do you have a plan on enabling/disabling  this flag dynamically by ethtool?

Might get it for free if we recycle NETIF_F_HW_L2FW_DOFFLOAD;
NETIF_F_HW_L2FW_DOFFLOAD seems to be supported by ethtool already.

>
> Thanks & B.R
> Jianhua
>
>>         err = register_netdev(dev);
>>         if (err) {
>
>
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