linux-drivers/
drivers/net/ethernet/mellanox/mlxbf_gige

NVIDIA BlueField SoC Gigabit Ethernet Management Port

The dedicated 1 Gigabit Ethernet out-of-band management port built into NVIDIA (formerly Mellanox) BlueField-2 and BlueField-3 data processing units (DPUs), the smartNIC/SoC products widely deployed in cloud and enterprise datacenters from 2020 onward for offloading networking, storage, and security workloads.

keep conf=0.86 last_sold=2025 deploy=medium replacement=none subsystem=net category=networking-ethernet
86%

recommendation

It should stay in the kernel because NVIDIA's BlueField-2 and BlueField-3 DPUs are current datacenter products in 2025, and the driver is actively maintained — bug fixes were merged into net-next and backported to stable as recently as mid-2025.

repository signals

12 files
2,298 source lines
35 commits, 5y
+2,763 / −442 lines added / removed, 5y
14 authors, 5y
monthly commits · 2021-04-21 → 2026-04-21 · 35 total · active in 22/61 months
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sources

  1. spinics.net

    June 2025 netdev patch for mlxbf_gige shows active bug-fix maintenance on the driver.

  2. spinics.net

    July 2025 net-next application notice shows mlxbf_gige changes were still being merged upstream.

  3. spinics.net

    June 2025 stable review patch shows mlxbf_gige fixes were considered important enough for stable backporting.

  4. docs.nvidia.com

    NVIDIA BlueField-2 DPU documentation shows the BlueField-2 family remained a real datacenter product line, not legacy-only hardware.

  5. nvidia.com

    NVIDIA BlueField-3 datasheet published in late 2025 advertises current BlueField-3 DPUs and explicitly lists a 1GbE out-of-band management port, matching this driver's use case.

codex reasoning notes (technical)

Local shell inspection (`rg`, `sed`) shows this is a real platform driver for the BlueField SoC out-of-band Gigabit Ethernet management port; Kconfig names BlueField-2 and in-tree headers include BF2/BF3 MDIO variants. `lei`/lore MCP were unavailable here, so lore history was approximated via `web.search_query`, which found active 2025 netdev/stable mail threads on Spinics mirrors and no removal/deprecation hits from a removal-focused search. NVIDIA docs/datasheet were also obtained via `web.search_query`; together they indicate BlueField-2/3 were still current datacenter products in 2025, so this driver should be kept rather than deprecated.