Re: [dpdk-dev] Running dpdk application inside virtual machine created on VirtualBox

[Stephen Hemminger <stephen@networkplumber.org>]

On Thu, 4 Jul 2019 11:28:13 +0530
Shailja Pandey <csz168117@iitd.ac.in> wrote:

> Hi,
> 
> I am trying to run dpdk application inside a virtual machine (Ubuntu 
> 16.04) deployed in Oracle Virtualbox. The host machine is also the same 
> Ubuntu 16.04. I am running l2fwd application in the VM and the packets 
> are being generated using pktgen-DPDK running on other physical machine. 
> The issue I am facing is  that I am not able to redirect packets 
> reaching the host machine to the virtual machine and hence the l2fwd 
> application running inside VM shows zero packet counts. I am 
> successfully binding network interfaces on virtual machine to use 
> DPDK-compatible driver. I think I am missing something while binding the 
> physical network interfaces to the virtual machine. Some discussion 
> forum suggests using device passthrough to achieve this. I am not able 
> to figure out exactly what is to be done. Any help would be appreciated.
> 
> Output of lspci | grep Ether :
> 
> 02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 
> Gigabit Ethernet PCIe
> 02:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 
> Gigabit Ethernet PCIe
> 03:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 
> Gigabit Ethernet PCIe
> 03:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 
> Gigabit Ethernet PCIe
> 04:00.0 Ethernet controller: Intel Corporation Ethernet Controller 
> 10-Gigabit X540-AT2 (rev 01)
> 04:00.1 Ethernet controller: Intel Corporation Ethernet Controller 
> 10-Gigabit X540-AT2 (rev 01)
> 05:00.0 Ethernet controller: Intel Corporation Ethernet Controller XL710 
> for 40GbE QSFP+ (rev 02)
> 05:00.1 Ethernet controller: Intel Corporation Ethernet Controller XL710 
> for 40GbE QSFP+ (rev 02)
> 
> 

Most virtualization environments impose network spoofing rules such
that a guest is only allowed to receive and send packets for its own
mac address.  I am not familiar with Virtual Box settings, but
there maybe a way to override this.