* [dpdk-users] QAT cryto PMD queue pair and Ring Libary @ 2019-03-07 21:28 Changchun Zhang 2019-03-08 10:55 ` Trahe, Fiona 0 siblings, 1 reply; 8+ messages in thread From: Changchun Zhang @ 2019-03-07 21:28 UTC (permalink / raw) To: users 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? Thanks, ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary 2019-03-07 21:28 [dpdk-users] QAT cryto PMD queue pair and Ring Libary Changchun Zhang @ 2019-03-08 10:55 ` Trahe, Fiona 2019-03-08 21:14 ` Changchun Zhang 0 siblings, 1 reply; 8+ messages in thread From: Trahe, Fiona @ 2019-03-08 10:55 UTC (permalink / raw) To: Changchun Zhang, users; +Cc: Trahe, Fiona > -----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. ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary 2019-03-08 10:55 ` Trahe, Fiona @ 2019-03-08 21:14 ` Changchun Zhang 2019-03-11 11:07 ` Ferruh Yigit 0 siblings, 1 reply; 8+ messages in thread From: Changchun Zhang @ 2019-03-08 21:14 UTC (permalink / raw) To: Trahe, Fiona, users 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? 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. ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary 2019-03-08 21:14 ` Changchun Zhang @ 2019-03-11 11:07 ` Ferruh Yigit 2019-03-11 15:59 ` Changchun Zhang 2019-03-11 16:05 ` Changchun Zhang 0 siblings, 2 replies; 8+ messages in thread From: Ferruh Yigit @ 2019-03-11 11:07 UTC (permalink / raw) To: Changchun Zhang, Trahe, Fiona, users 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. > ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary 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 1 sibling, 1 reply; 8+ messages in thread From: Changchun Zhang @ 2019-03-11 15:59 UTC (permalink / raw) To: Ferruh Yigit, Trahe, Fiona, users Thanks! So igb_uio driver is actually part of DPDK, instead of the general Ethernet driver. This is very important. 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. > ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary 2019-03-11 15:59 ` Changchun Zhang @ 2019-03-12 10:39 ` Ferruh Yigit 0 siblings, 0 replies; 8+ messages in thread From: Ferruh Yigit @ 2019-03-12 10:39 UTC (permalink / raw) To: Changchun Zhang, Trahe, Fiona, users On 3/11/2019 3:59 PM, Changchun Zhang wrote: > Thanks! > So igb_uio driver is actually part of DPDK, instead of the general Ethernet driver. This is very important. igb_uio driver is delivered by DPDK. igb_uio and drivers are separated. > > 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. >> > ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary 2019-03-11 11:07 ` Ferruh Yigit 2019-03-11 15:59 ` Changchun Zhang @ 2019-03-11 16:05 ` Changchun Zhang 2019-03-12 10:40 ` Ferruh Yigit 1 sibling, 1 reply; 8+ messages in thread From: Changchun Zhang @ 2019-03-11 16:05 UTC (permalink / raw) To: Ferruh Yigit, Trahe, Fiona, users I found i40e, ifc, and ixgbe under ./drivers/net/. Which folder is used to build the 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. > ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [dpdk-users] QAT cryto PMD queue pair and Ring Libary 2019-03-11 16:05 ` Changchun Zhang @ 2019-03-12 10:40 ` Ferruh Yigit 0 siblings, 0 replies; 8+ messages in thread From: Ferruh Yigit @ 2019-03-12 10:40 UTC (permalink / raw) To: Changchun Zhang, Trahe, Fiona, users 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. >> > ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2019-03-12 10:40 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2019-03-07 21:28 [dpdk-users] QAT cryto PMD queue pair and Ring Libary 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
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