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General Support

Supported Adapter Cards Speeds

NVIDIA® FreeBSD driver version supports the following adapter cards and uplinks to servers.

Uplink/Adapter	Driver Name	Uplink Speed
NVIDIA® ConnectX®-4	mlx5	InfiniBand: SDR, QDR, FDR, FDR10, EDR Ethernet: 1GigE, 10GigE, 25GigE, 40GigE, 50GigE, 56GigE¹, and 100GigE
NVIDIA® ConnectX®-4 Lx		Ethernet: 1GigE, 10GigE, 25GigE, 40GigE, and 50GigE
NVIDIA® ConnectX®-5/NVIDIA® ConnectX®-5 Ex		InfiniBand: SDR, QDR, FDR, FDR10, EDR Ethernet: 1GigE, 10GigE, 25GigE, 40GigE, 50GigE, and 100GigE
NVIDIA® ConnectX®-6		InfiniBand: SDR, EDR, HDR Ethernet: 10GigE, 25GigE, 40GigE, 50GigE, 100GigEb, and 200GigE (alpha)
NVIDIA® ConnectX®-6 Dx		Ethernet - 10GbE, 25GbE, 40GbE, 50GbE², 100GbE², 200GbE²
NVIDIA® ConnectX®-6 Lx		Ethernet - 10GbE, 25GbE and 50GbE²

^{1. 56 GbE is a Mellanox propriety link speed and can be achieved while connecting an NVIDIA® adapter card to SX10XX switch series, or connecting an NVIDIA® adapter card to another NVIDIA® adapter card.}

^{2. Supports both NRZ and PAM4 modes.}

Supported Platforms and Operating Systems

Operating System	Platform
FreeBSD 14, FreeBSD 13	AMD64/x86_64

Supported Adapters Firmware Versions

Supported Adapter	Supported Firmware Version
ConnectX-4	12.28.2006
ConnectX-4 Lx	14.32.1010
ConnectX-5/ConnectX-5 Ex	16.32.1010
ConnectX-6	20.32.1010
ConnectX-6 Dx	22.32.1010
ConnectX-6 Lx	24.32.1010

FreeBSD Package Contents

Tarball Package

FreeBSD package includes the following directories:

sys - kernel space
contrib - user space
user.sbin - mlx5tool

mlx5 Driver

mlx5 is the low level driver implementation for the ConnectX-4 and above adapter cards.

Software Components

FreeBSD contains the following software components.

Components	Description
mlx5ib	Implementation of ibcore interface to support RoCE and InfiniBand in ConnectX-4/ConnectX-5 adapter cards.
mlx5	Acts as a library of common functions required by ConnectX®-4/ConnectX-4 Lx adapter cards. For example: initializing the device after reset.
mlx5en	Handles Ethernet specific functions and plugs into the ifnet mid-layer.

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