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0x1A: More material
by Jamal Hadi Salim 20 Aug '26

20 Aug '26

Trickling in... 1) Paolo Abeni chairing the drivers workshop: https://netdevconf.info/0x1A/49 2) Willem de Bruijn chairing the What's next for the PSP Security Protocol workshop: https://netdevconf.info/0x1A/19 3) Alexander Lobakin chairing the XDP workshop https://netdevconf.info/0x1A/3 4) Jason Xing chairing the Network Observability BoF https://netdevconf.info/0x1A/12 5) PJ chairing the Your Fu is Better Than Mine, 3.0! BoF https://netdevconf.info/0x1A/20 6) Fernando Fernandez Mancera chairing a BoF on running IPv6-Only Kernel https://netdevconf.info/0x1A/32 Enjoy! cheers, jamal

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0x1A: Conference Material trickling in..
by Jamal Hadi Salim 19 Aug '26

19 Aug '26

We are beginning to post the conference material. The first four sessions out are: 1) Maciek Machnikowski's excellent tutorial on Making Time Uncertainty a First-Class Concept in Linux Timing https://netdevconf.info/0x1A/2 2) Jakub Kicinski giving an update from netconf https://netdevconf.info/0x1A/51 3) Jakub Kicinski, Eric Dumazet and Paolo Abeni in a panel chat with the maintainers https://netdevconf.info/0x1A/52 4) Bringing together the AI bug hunters, developers who are juggling the massive bug infusion and other tooling jugglers https://netdevconf.info/0x1A/28 Enjoy! cheers, jamal

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0x1A: Keynote content is up!
by Jamal Hadi Salim 04 Aug '26

04 Aug '26

Greg's keynote slides and videos are now up! https://netdevconf.info/0x1A/sessions/keynote/llms-and-the-kernel-security-… Some highlights that yours truly enjoyed: - ~minute 11 (rephrasing): "If you could only get rid of CAP_NET_ADMIN" ;-> - ~minute 13 (rephrasing): "do not share data you dont want to see with the LLMS;->" - ~minute 27 (rephrasing): "it's going to be a tough 18 months" enjoy! cheers, jamal

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Thanks, and sorry I missed last Thursday's closing
by Stefano Salsano 21 Jul '26

21 Jul '26

Dear Netdev community, thanks to speakers, BoF leads, sponsors and attendees for such a substantive, engaging Netdev 0x1A week in Rome. The quality of the talks and the conversations in the hallways were the highlight of the week for me, and I hope for you too. A special thanks to the Local Organizing Committee (Carlo Filippi and the teams of Roma TRE and Roma Tor Vergata universities) for the on-site organization here in Rome. Thanks to Jamal for the trust in bringing Netdev to Rome and for the guidance along the way. Thanks also to PJ, Christie and the whole Netdev team for the work behind the scenes. For reasons beyond my control I couldn't be with you last Thursday for the closing session. My apologies for not being able to say goodbye in person. I hope you enjoyed Rome and our hospitality, and are taking home some good memories along with the technical takeaways. I hope to meet you all again at Netdev y, for y=0x1B to 0xFF. ciao Stefano -- ******************************************************************* Prof. Stefano Salsano Dipartimento Ingegneria Elettronica Universita' di Roma Tor Vergata Viale Politecnico, 1 - 00133 Roma - ITALY http://netgroup.uniroma2.it/Stefano_Salsano/ E-mail : stefano.salsano(a)uniroma2.it Office : (Tel.) +39 06 72597770 (Fax.) +39 06 72597435 *******************************************************************

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Netdev 0x1A
by Christie Geldart 12 Jul '26

12 Jul '26

Dear Netdev 0x1A Attendees, We're excited to welcome you to Netdev 0x1A in Rome! With day 1 of the conference starting tomorrow, we wanted to share a few important details to help you prepare for your arrival. Please visit the following page <https://netdevconf.info/0x1A/pages/badge.html> for everything you'll need before the event, including: Conference venue location and directions Conference best practices and attendee information Details about Bits, Nibbles, Bytes, and Words: A Pizza Party, happening on July 14 from 5pm-7pm Wi-Fi information If you have any questions or need assistance during the conference, please don't hesitate to find PJ Waskiewicz throughout the conference. We wish you safe travels to Rome and great Netdev! Best regards, The Netdev Team

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0x1A: Schedule is LIVE!
by PJ Waskiewicz 05 Jul '26

05 Jul '26

We are pleased to announce the NetDev 0x1A schedule is now live! See it here: http://netdevconf.info/0x1A/schedule It's going to be an excellent conference in Rome, Italy. We're excited to see everyone next week! Best regards, -PJ

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0x1A: Talk, io_uring ZCRX: Progress and Next Steps
by Jamal Hadi Salim 25 Jun '26

25 Jun '26

Pavel Begunkov will update us on the latest and greatest in the io_uring ZCRX universe. To make ZCRX reliable for broader workloads, key questions must be addressed: handling refill queue exhaustion when buffers can't be recycled to the kernel, sharing NIC queues across multiple processes, and detecting memory pressure before allocation failures degrade performance. In this talk Pavel covers latest ZCRX developments tackling these challenges, including recent API additions and their motivations, new features, and performance improvements. It concludes with future directions for zero-copy receive in Linux. More details: https://netdevconf.info/0x1A/sessions/talk/io_uring-zcrx-progress-and-next-… cheers, jamal

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0x1A: Talk, Kernel shared memory socket transport
by Jamal Hadi Salim 24 Jun '26

24 Jun '26

High performance IPC between two local apps uses zero copy on shared memory. There's a plethora of APIs that require a plethora of libraries' support - and both the sender and receiver MUST use the same IPC library to communicate. sigh. In this talk, Davide Wei proposes adding kernel support for zero-copy shared memory IPC (both sender and receiver) built on AF_UNIX SOCK_SEQPACKET + io_uring, enabling any userspace library to interoperate without sharing a common IPC library. An RFC prototype is ready for community feedback on uAPI and design. More details: https://netdevconf.info/0x1A/sessions/talk/kernel-shared-memory-socket-tran… cheers, jamal

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0x1A: Talk, Line-Rate Cybersecurity: Modern DPI and Encrypted Traffic Fingerprinting at 100 Gbps
by Jamal Hadi Salim 23 Jun '26

23 Jun '26

Luca Deri and Alfredo Cardigliano present recent advancements in nDPI, an open-source Deep Packet Inspection toolkit, addressing challenges posed by encryption and evasion protocols that limit legacy firewalls. The talk covers using cryptographic fingerprints to identify malicious actors despite encryption, and exposes structural flaws in JA3/JA4 fingerprinting methods when handling ephemeral TLS extensions. Finally, Luca and Alfredo will detail integrating nDPI with the Linux kernel firewall for real-time traffic optimization, plus architectural blueprints using PF_RING and SmartNIC flow managers to achieve deterministic 100 Gbps monitoring and hardware-accelerated enforcement. Come and interact with Luca and Deri! More details: https://netdevconf.info/0x1A/sessions/talk/line-rate-cybersecurity-modern-d… cheers, jamal

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0x1A: Talk, Thrice the charm: an skb extension for BPF metadata
by Jamal Hadi Salim 22 Jun '26

22 Jun '26

Jakub Sitnicki revisits storing custom BPF data tied to an skb's lifetime. In this talk Jakub will recap what he's already established on the XDP/skb metadata feature (scope, accessible hooks, wipe conditions, and driver contract) and then discuss two approaches for paths where XDP metadata isn't supported: a BPF map side-stash available today, and an RFC for embedding a BPF metadata buffer in an skb extension chunk. Jakub will compare both from the BPF-hook interface and overhead perspectives, and explain why alternatives (extending metadata lifetime, BPF local storage) failed. The latter will delve into skb extension internals—compiling out unneeded extensions and avoiding hot-path allocations—and finally the talk closes with open user-API questions: whether a new socket option or cmsg type is needed, how users exchange metadata today and its limits, and how metadata maps to L7 abstractions like streams and requests. Come and engage Jakub! cheers, jamal

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