Mastering the Art of Net Device Passthrough Empowering Linux Networks

This chapter describes how the network interfaces fit in with the rest of the Linux kernel and provides examples in the form of a memory-based modularized ... The Netfilter framework provides a bunch of hooks in the Linux kernel. As network packets pass through the protocol stack in the kernel, they ... Speakers: Sandeep Nagapattinam Nupur Uttarwar Venkata Suresh Kumar Namrata Limaye Info: This talk demonstrates the linux kernel network ... ... netdev [NetDev] Name=bridge0 Kind=bridge Example 2. /etc/systemd ... Linux Ethernet Bonding Driver HOWTO https://www.kernel.org/doc/Documentation ... Example flow of netdev handling under ``rtnl_lock``: .. code-block:: c. static void my_setup(struct net_device *dev). {. dev->needs_free_netdev = true ... ... Kernel: Linux 5.9.13-arch1-1 Architecture: x86-64. systemctl list ... - connected to the charger to passthrough power to the MacBook - ... You can isolate the guest from the host (and broader network) using the restrict option. For example -netdev user,id=mynet0,restrict=y or - ... For the above example to work, the two physical interfaces must be bound to the DPDK poll-mode drivers in userspace rather than the traditional kernel ... ... net_device. We will discuss the various required steps to get a basic driver working, ranging from simple initialization, queue setup, DMA ... A lot of it goes above my head (a lot of the presenters/attendees work on networking subsystems in the Linux kernel), but I kind of like that!