RE: Questions on i40e TX path

2022-02-10 Thread Honnappa Nagarahalli
> > > > Thank you for your input. Please see few comments inline. > > > > > > Subject: Questions on i40e TX path > > > > > > > > Hi Beilei, > > > > I want to make sure my understanding of the TX path is correct. > >

RE: Questions on i40e TX path

2022-02-10 Thread Xing, Beilei
> -Original Message- > From: Honnappa Nagarahalli > Sent: Thursday, February 10, 2022 12:38 PM > To: Xing, Beilei ; dev@dpdk.org > Cc: Feifei Wang ; Ruifeng Wang > ; Yigit, Ferruh ; Richardson, > Bruce ; nd ; nd > Subject: RE: Questions on i40e TX path >

RE: Questions on i40e TX path

2022-02-09 Thread Honnappa Nagarahalli
Thank you for your input. Please see few comments inline. > > Subject: Questions on i40e TX path > > > > Hi Beilei, > > I want to make sure my understanding of the TX path is correct. > > Following is my understanding. > > > > 1) The RS bit must b

RE: Questions on i40e TX path

2022-02-08 Thread Xing, Beilei
Hi Honnappa, > -Original Message- > From: Honnappa Nagarahalli > Sent: Wednesday, February 9, 2022 12:36 PM > To: Xing, Beilei ; dev@dpdk.org > Cc: Feifei Wang ; Ruifeng Wang > ; Yigit, Ferruh ; Richardson, > Bruce ; nd ; nd > Subject: Questions on i40e TX path &

Questions on i40e TX path

2022-02-08 Thread Honnappa Nagarahalli
Hi Beilei, I want to make sure my understanding of the TX path is correct. Following is my understanding. 1) The RS bit must be set in the TX descriptors to ask the NIC to report back the send status. 2) The NIC reports the send completion by setting the DTYPE field to 0xf. This also in