5. NVIDIA MLX5 RegEx Driver

The mlx5 RegEx (Regular Expression) driver (librte_regex_mlx5) provides support for NVIDIA DPU device family.

5.1. Design

This PMD is configuring the RegEx HW engine. For the PMD to work, the application must supply a precompiled rule file in rof2 format.

See NVIDIA MLX5 Common Driver guide for more design details.

5.2. Features

• Multi segments mbuf support.

5.3. Configuration

See mlx5 common compilation, Firmware Configuration, and mlx5 common driver options.

5.4. Supported Devices

• NVIDIA® BlueField-2 DPU
• NVIDIA® BlueField-3 DPU/SuperNIC

5.5. Prerequisites

• BlueField-2 or BlueField-3 running NVIDIA supported kernel.
• Enable the RegEx capabilities using system call from the BlueField-2 or BlueField-3.
• Official support is not yet released.

5.6. Limitations

• The firmware version must be greater than 24.31.0364 for BlueField-2 and 32.36.xxxx for BlueField-3.