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From: Rasesh Mody <rmody@marvell.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	Thomas Monjalon <thomas@monjalon.net>
Cc: GR-Everest-DPDK-Dev <GR-Everest-DPDK-Dev@marvell.com>
Subject: Re: [dpdk-dev] [EXT] Re:  [PATCH] doc: update qede PMD guide
Date: Fri, 22 Nov 2019 19:42:06 +0000
Message-ID: <BYAPR18MB283889C8815ABEE4238FE03CB5490@BYAPR18MB2838.namprd18.prod.outlook.com> (raw)
In-Reply-To: <fd53369e-07b5-4a52-be0b-444a13cb787b@intel.com>

Hi Ferruh,

>From: Ferruh Yigit <ferruh.yigit@intel.com>
>Sent: Friday, November 22, 2019 6:33 AM
>
>External Email
>
>----------------------------------------------------------------------
>On 11/22/2019 7:51 AM, Rasesh Mody wrote:
>>  - Add note for Co-existence of DPDK and Linux drivers.
>>  - Update the firmware version in example.
>>  - Add Config note for potential error due to lack of memzone desciptor
>>    count.
>>
>> Signed-off-by: Rasesh Mody <rmody@marvell.com>
>> ---
>>  doc/guides/nics/qede.rst | 25 ++++++++++++++++++++-----
>>  1 file changed, 20 insertions(+), 5 deletions(-)
>>
>> diff --git a/doc/guides/nics/qede.rst b/doc/guides/nics/qede.rst index
>> 2f4045795..9c14dd006 100644
>> --- a/doc/guides/nics/qede.rst
>> +++ b/doc/guides/nics/qede.rst
>> @@ -70,6 +70,10 @@ Co-existence considerations
>>    to the PFs of a given adapter and either qede PMD or Linux drivers
>>    (qed and qede) can be bound to the VFs of the adapter.
>>
>> +- To use DPDK on some PFs and Linux drivers on other PFs of an
>> +adapter,
>> +  create a VF each on the PFs where DPDK will be used, attach DPDK to
>> +  these VFs and Linux drivers to the other PFs where no VFs are created.
>
>But this won't be using DPDK on some PFs, you are indeed suggesting to
>create VFs and use them via DPDK instead. And should the PF not bound to
>any kernel driver?

For sharing an adapter between DPDK and Linux drivers, we are suggesting to use DPDK on a VF created on PFs. All the PFs would be bound to Linux drivers(qed/qede). I'll send out a v2 with modified text for more clarity.

Thanks!
-Rasesh


  reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-22  7:51 [dpdk-dev] " Rasesh Mody
2019-11-22 14:32 ` Ferruh Yigit
2019-11-22 19:42   ` Rasesh Mody [this message]
2019-11-22 23:31 ` [dpdk-dev] [PATCH v2] " Rasesh Mody
2019-11-25 15:32   ` Ferruh Yigit

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