NInicologiuliani6·Sep 17, 2026Submission
Show HN: Out-of-tree Linux driver for a reverse-engineered Cavium 10GbE SmartNIC
1 points · Open discussionnicologiuliani6
cavium-cn6640-snic10e-octeon-ii-nic
Batchfile2026–2026
nicologiuliani6 / cavium-cn6640-snic10e-octeon-ii-nic
cavium-cn6640-snic10e-octeon-ii-nic
Out-of-tree Linux driver stack and boot tooling for the Cavium CN6640-SNIC10E (Octeon II, PCI 177d:0092), exposing the card as two independent 10 GbE interfaces (oct0/oct1) over a reverse-engineered PCIe BAR2 shared-memory datapath. Host module (octnic), on-card OpenWrt modules (octshm_card/octcarrier), serial-free host bootloader (octboot).
2Distinct people
3Mentions
0Explicit recommenders
56GitHub stars
What to know before exploring
What it is
Out-of-tree Linux driver stack and boot tooling for the Cavium CN6640-SNIC10E (Octeon II, PCI 177d:0092), exposing the card as two independent 10 GbE interfaces (oct0/oct1) over a reverse-engineered PCIe BAR2 shared-memory datapath. Host module (octnic), on-card OpenWrt modules (octshm_card/octcarrier), serial-free host bootloader (octboot).
GitHub
Where it is used
No documented product use has been verified yet.
What people are saying
No recommendation phrase was found in the indexed comments.
No classified warning is attached to this page. Read the discussions before treating silence as approval.
Also in these discussions
No other repository is repeatedly linked in the same discussions.
This week on Hacker News
Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 5:04:57 PM UTC.
No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.
Mentions over time
HN mentions by day3 dated mentions
Observed mentions: 2026-09-02 07:10:40 UTC to 2026-09-17 12:01:28 UTC.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
View mention counts and date ranges
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| Sep 2 | 2026-09-02 00:00:00 UTC | 2026-09-03 00:00:00 UTC | 1 | 1 | 0 |
| Sep 3 | 2026-09-03 00:00:00 UTC | 2026-09-04 00:00:00 UTC | 0 | 0 | 0 |
| Sep 4 | 2026-09-04 00:00:00 UTC | 2026-09-05 00:00:00 UTC | 0 | 0 | 0 |
| Sep 5 | 2026-09-05 00:00:00 UTC | 2026-09-06 00:00:00 UTC | 0 | 0 | 0 |
| Sep 6 | 2026-09-06 00:00:00 UTC | 2026-09-07 00:00:00 UTC | 0 | 0 | 0 |
| Sep 7 | 2026-09-07 00:00:00 UTC | 2026-09-08 00:00:00 UTC | 1 | 1 | 0 |
| Sep 8 | 2026-09-08 00:00:00 UTC | 2026-09-09 00:00:00 UTC | 0 | 0 | 0 |
| Sep 9 | 2026-09-09 00:00:00 UTC | 2026-09-10 00:00:00 UTC | 0 | 0 | 0 |
| Sep 10 | 2026-09-10 00:00:00 UTC | 2026-09-11 00:00:00 UTC | 0 | 0 | 0 |
| Sep 11 | 2026-09-11 00:00:00 UTC | 2026-09-12 00:00:00 UTC | 0 | 0 | 0 |
| Sep 12 | 2026-09-12 00:00:00 UTC | 2026-09-13 00:00:00 UTC | 0 | 0 | 0 |
| Sep 13 | 2026-09-13 00:00:00 UTC | 2026-09-14 00:00:00 UTC | 0 | 0 | 0 |
| Sep 14 | 2026-09-14 00:00:00 UTC | 2026-09-15 00:00:00 UTC | 0 | 0 | 0 |
| Sep 15 | 2026-09-15 00:00:00 UTC | 2026-09-16 00:00:00 UTC | 0 | 0 | 0 |
| Sep 16 | 2026-09-16 00:00:00 UTC | 2026-09-17 00:00:00 UTC | 0 | 0 | 0 |
| Sep 17 | 2026-09-17 00:00:00 UTC | 2026-09-18 00:00:00 UTC | 1 | 1 | 0 |