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:[email protected]] > Sent: Monday, March 11, 2019 7:08 AM > To: Changchun Zhang <[email protected]>; Trahe, Fiona > <[email protected]>; [email protected] > 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:[email protected]] >> Sent: Friday, March 08, 2019 5:56 AM >> To: Changchun Zhang <[email protected]>; [email protected] >> Cc: Trahe, Fiona <[email protected]> >> Subject: RE: [dpdk-users] QAT cryto PMD queue pair and Ring Libary >> >> >>> -----Original Message----- >>> From: users [mailto:[email protected]] On Behalf Of Changchun >>> Zhang >>> Sent: Thursday, March 7, 2019 9:29 PM >>> To: [email protected] >>> 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. >> >
