Demystifying Virtual Net Dev Passthrough A Linux Kernel Adventure

Kernel Virtual Machine (KVM) is a virtualization module built in the Linux kernel ... For example, to run the kernel available in mounted disk at /mnt as ... netdev; other extensions are ignored. Virtual network devices are created as soon as networkd is started. If a netdev with the specified name already exists, ... + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Intel PCIe NTB Network Linux driver + * + * ... linux-kernel" in While the NVMe driver is the first command-provider that got into the kernel, other examples include ublk [48] and network sockets [49]. The ... The virtual network device that is provided to the guest (e.g. a PCI ... pre-configured tunnels (same as the Linux kernel). use 'src=' to specify ... Most devices require that the hardware to be used by DPDK be unbound from the kernel driver it uses, and instead be bound to the vfio-pci kernel module before ... In this way the Linux networking stack can receive specific traffic through the kernel driver while a DPDK application can receive specific traffic bypassing ... Virtual network devices are created as soon as networkd is started. If a netdev with the specified name already exists, networkd will use that as-is rather than ... Once the IOMMU has been enabled in the BIOS, we also need to tell the Linux kernel to use it, since it is typically disabled by default. We need ... Once the VM boots you have to load the netmap module inside the VM itself. You should see a network interface popping up there. "ethtool -i ethX ...