Linux Kernel Upstream Release Notes v6.19

Overview

These release notes provide information on new features and supported NICs in Linux Kernel Upstream.

Uplink/Adapter Card	Driver Name	Uplink Speed
ConnectX-8	mlx5	InfiniBand: EDR, HDR100 , HDR , NDR , NDR200 , XDR Ethernet: 50GbE , 100GbE , 200GbE , 400GbE
BlueField-3		InfiniBand: EDR, HDR100, HDR, NDR200 , NDR Ethernet: 1GbE, 10GbE, 25GbE, 40GbE, 50GbE , 100GbE , 200GbE , 400GbE
BlueField-2		InfiniBand: SDR, FDR, EDR, HDR Ethernet: 1GbE, 10GbE, 25GbE, 40GbE, 50GbE , 100GbE
BlueField		InfiniBand: SDR, QDR, FDR, FDR10, EDR Ethernet: 1GbE, 10GbE, 25GbE, 40GbE, 50GbE, 100GbE
ConnectX-7		InfiniBand: EDR, HDR100, HDR, NDR200, NDR Ethernet: 1GbE, 10GbE, 25GbE, 40GbE, 50GbE , 100GbE , 200GbE , 400GbE
ConnectX-6 Lx		Ethernet: 1GbE, 10GbE, 25GbE, 40GbE, 50GbE
ConnectX-6 Dx		Ethernet: 10GbE, 25GbE, 40GbE, 50GbE , 100GbE , 200GbE
ConnectX-6		InfiniBand: SDR, FDR, EDR, HDR Ethernet: 10GbE, 25GbE, 40GbE, 50GbE , 100GbE , 200GbE
ConnectX-5/ConnectX-5 Ex		InfiniBand: SDR, QDR, FDR, FDR10, EDR Ethernet: 1GbE, 10GbE, 25GbE, 40GbE, 50GbE, 100GbE
ConnectX-4 Lx		Ethernet: 1GbE, 10GbE, 25GbE, 40GbE, 50GbE
ConnectX-4		InfiniBand: SDR, QDR, FDR, FDR10, EDR Ethernet: 1GbE, 10GbE, 25GbE, 40GbE, 50GbE, 56GbE , 100GbE

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Linux Kernel Upstream supports the following NVIDIA network adapter cards firmware versions:

Adapter Card	Recommended Firmware Version
ConnectX-8	40.44.0208
ConnectX-7	28.42.1000
ConnectX-6 Lx	26.42.1000
ConnectX-6 Dx	22.42.1000
ConnectX-6	20.42.1000
BlueField-3	32.42.1000
BlueField-2	24.42.1000
ConnectX-5	16.35.1012
ConnectX-4 Lx	14.32.1900
ConnectX-4	12.28.2302

Last updated: May 18, 2026