From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Changchun Zhang <changchun.zhang@oracle.com>,
"Trahe, Fiona" <fiona.trahe@intel.com>,
users@dpdk.org
Subject: Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary
Date: Tue, 12 Mar 2019 10:40:56 +0000 [thread overview]
Message-ID: <bd1ca2bd-036e-45b8-4ae4-7d0e13e984d0@intel.com> (raw)
In-Reply-To: <7213a224-808b-4566-b143-7d6a6c027d80@default>
On 3/11/2019 4:05 PM, Changchun Zhang wrote:
> I found i40e, ifc, and ixgbe under ./drivers/net/. Which folder is used to build the igb_uio?
searching for it in the repo should yield some info:
$ find . -name "*igb_uio*"
./kernel/linux/igb_uio
>
> Changchun (Alex)
>
>
> -----Original Message-----
> From: Ferruh Yigit [mailto:ferruh.yigit@intel.com]
> Sent: Monday, March 11, 2019 7:08 AM
> To: Changchun Zhang <changchun.zhang@oracle.com>; Trahe, Fiona <fiona.trahe@intel.com>; users@dpdk.org
> Subject: Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary
>
> On 3/8/2019 9:14 PM, Changchun Zhang wrote:
>> Thanks.
>> The related question, for Ethernet device, if it has been bound to igb_uio driver, who is going to actually implement the rx_ring and tx_ring for the Ethernet PMD? The igb_uio driver?
>
> DPDK drivers does it, please check ./drivers/net/* igb_uio just for exposing the device registers to be able to use with DPDK drivers.
>
>>
>> Changchun (Alex)
>>
>>
>> -----Original Message-----
>> From: Trahe, Fiona [mailto:fiona.trahe@intel.com]
>> Sent: Friday, March 08, 2019 5:56 AM
>> To: Changchun Zhang <changchun.zhang@oracle.com>; users@dpdk.org
>> Cc: Trahe, Fiona <fiona.trahe@intel.com>
>> Subject: RE: [dpdk-users] QAT cryto PMD queue pair and Ring Libary
>>
>>
>>> -----Original Message-----
>>> From: users [mailto:users-bounces@dpdk.org] On Behalf Of Changchun
>>> Zhang
>>> Sent: Thursday, March 7, 2019 9:29 PM
>>> To: users@dpdk.org
>>> Subject: [dpdk-users] QAT cryto PMD queue pair and Ring Libary
>>>
>>> Hi,
>>>
>>>
>>>
>>> QAT PMD driver uses the queue pair to communication with QAT device.
>>> My question is, whether or this QAP queue pair is implemented over DPDK ring library or just self-defined queue implementation?
>> [Fiona] This doesn't use the DPDK ring library. They are QAT-specific, hw-supported tx and rx rings.
>>
>
prev parent reply other threads:[~2019-03-12 10:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-07 21:28 Changchun Zhang
2019-03-08 10:55 ` Trahe, Fiona
2019-03-08 21:14 ` Changchun Zhang
2019-03-11 11:07 ` Ferruh Yigit
2019-03-11 15:59 ` Changchun Zhang
2019-03-12 10:39 ` Ferruh Yigit
2019-03-11 16:05 ` Changchun Zhang
2019-03-12 10:40 ` Ferruh Yigit [this message]
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