Re: [PATCH v4 6/6] testpmd: Set Rx VMDq RSS mode

[Vlad Zolotarov <vladz-RmZWMc9puTNJc61us3aD9laTQe2KTcn/@public.gmane.org>]

On 01/04/15 11:01, Ouyang, Changchun wrote:
>> -----Original Message-----
>> From: Vlad Zolotarov [mailto:vladz-RmZWMc9puTNJc61us3aD9laTQe2KTcn/@public.gmane.org]
>> Sent: Sunday, January 4, 2015 4:50 PM
>> To: Ouyang, Changchun; dev-VfR2kkLFssw@public.gmane.org
>> Subject: Re: [dpdk-dev] [PATCH v4 6/6] testpmd: Set Rx VMDq RSS mode
>>
>>
>> On 01/04/15 09:18, Ouyang Changchun wrote:
>>> Set VMDq RSS mode if it has VF(VF number is more than 1) and has RSS
>> information.
>>> Signed-off-by: Changchun Ouyang <changchun.ouyang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
>>> ---
>>>    app/test-pmd/testpmd.c | 10 ++++++++++
>>>    1 file changed, 10 insertions(+)
>>>
>>> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
>>> 8c69756..6230f8b 100644
>>> --- a/app/test-pmd/testpmd.c
>>> +++ b/app/test-pmd/testpmd.c
>>> @@ -1708,6 +1708,16 @@ init_port_config(void)
>>>    				port->dev_conf.rxmode.mq_mode =
>> ETH_MQ_RX_NONE;
>>>    		}
>>>
>>> +		if (port->dev_info.max_vfs != 0) {
>>> +			if (port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0)
>>> +				port->dev_conf.rxmode.mq_mode =
>>> +					ETH_MQ_RX_VMDQ_RSS;
>>> +			else {
>>> +				port->dev_conf.rxmode.mq_mode =
>> ETH_MQ_RX_NONE;
>>> +				port->dev_conf.txmode.mq_mode =
>> ETH_MQ_TX_NONE;
>>
>> And what about the txmode.mq_mode when RSS is available (the :if" clause)?
> I think we can keep its original value for txmode.mq_mode, so don't change its value. How do you think of it?

I agree that not changing a Tx mq_mode in both cases would be better.

> Thanks
> Changchun
>
>