Às 10:51 AM de 3/23/2017, Giuseppe CAVALLARO escreveu: > On 3/23/2017 11:48 AM, Giuseppe CAVALLARO wrote: >> Hello >> >> On 3/23/2017 11:20 AM, Corentin Labbe wrote: >>>> I have a 4.21 QoS Core with 4 RX + 4 TX and detected no regression. >>>> >Could you please share the iperf cmds you are using in order for me to >>>> reproduce >>>> >in my side? >> >> Joao, you have a really powerful HW integration with multiple channels for >> both RX and TX. >> Often this is not the same for other setup where, usually just a DMA0 is >> present or, sometime, there >> is just one RX extra channel. >> >> My question is, what happens on this kind of configurations? Are we still >> guarantying the best performances? >> >> Also we have to guarantee, that the TSO and SG are always working. Another >> point is the buffer sizes that >> can be different among platforms. >> >> The problem below reported by Corentin push me to think that there is a bug, >> so we should >> understand when this has been introduced and if likely fixed by some >> configuration we are >> not take care right now. >> >> ndesc_get_rx_status: Oversized frame spanned multiple buffers" > > I wonder if this could be easily triggered by getting a big file via FTP. So > not > properly related on performance benchs
I am going to do that test and check it out and also run iperf a couple of times. I am counting on doing this today and send you later the results. If anyone gets results sooner please share. > > peppe > >> >> >> Best Regards >> Peppe >> > Thanks.