[BBDev + PktGen] How to properly generate traffic with Pktgen-DPDK towards BBDev

[Mattia Milani]

Solved using 54.3 Example at the following page: 
https://doc.dpdk.org/guides/nics/tap.html

Mattia

On 01/02/2024 16:11, Mattia Milani wrote:
>
> Hello everybody,
>
> It's the first time that I'm posting on this mailing list so I hope 
> it's the correct place for my questions.
> Otherwise please correct me.
>
> I'm trying to generate some traffic using Pktgen-DPDK and sending it 
> to BBDev.
> Following what is described 
> in:https://doc.dpdk.org/guides/sample_app_ug/bbdev_app.html
> But I'm facing some issues. Mostly because I'm new to DPDK in general 
> and I'm learning
> how to use this tools.
>
> I've installed and configured all the software without much problems 
> and when I run the
> following command I can see the statistics from BBDev displayed on video:
> "sudo -E ./dpdk-23.11/build/examples/dpdk-bbdev_app --log-level 
> lib.eal:debug \
> --vdev='baseband_turbo_sw,max_nb_queues=8,socket_id=0' \
> --vdev=net_tap0,iface=foo0 \
> -c 0x38 --file-prefix=bbdev -- -e 0x10 -d 0x20"
>
> I've substituted the "-a <NIC0PCIADDR>" from the tutorial with a 
> virtual interface because
> I don't have other nic cards that DPDK can acquire.
>
> On the other side I run Pktgen-DPDK as suggested in the guidelines, 
> again swapping
> "<NIC1PCIADDR>" with a virtual one, as follows:
> "sudo -E ./Builddir/app/pktgen -c 0x3 --file-prefix=pg 
> --vdev=net_tap1,iface=foo1 -- -m 1.0 -P -T"
>
> But now I do not understand how I can generate traffic towards BBDev.
> I've looked into the documentation of both BBDev and PktGen but I 
> cannot wrap my head
> around it.
> I would really appreciate any kind of suggestion, also material and 
> references to look into
> that can help me to connect this two components.
>
> Thanks in advance for the help, best regards,
> Mattia
>