42. NGBE Poll Mode Driver

The NGBE PMD (librte_pmd_ngbe) provides poll mode driver support for Wangxun 1 Gigabit Ethernet NICs.

42.1. Features

• Multiple queues for Tx and Rx

• Receiver Side Scaling (RSS)

• MAC/VLAN filtering

• Packet type information

• Checksum offload

• VLAN/QinQ stripping and inserting

• TSO offload

• Promiscuous mode

• Multicast mode

• Port hardware statistics

• Jumbo frames

• Link state information

• Link flow control

• Scattered and gather for TX and RX

• IEEE 1588

• FW version

42.2. Prerequisites

• Learning about Wangxun 1 Gigabit Ethernet NICs using https://www.net-swift.com/a/386.html.

• Follow the DPDK Getting Started Guide for Linux to setup the basic DPDK environment.

42.3. Pre-Installation Configuration

42.3.1. Dynamic Logging Parameters

One may leverage EAL option “–log-level” to change default levels for the log types supported by the driver. The option is used with an argument typically consisting of two parts separated by a colon.

NGBE PMD provides the following log types available for control:

• pmd.net.ngbe.driver (default level is notice)

  Affects driver-wide messages unrelated to any particular devices.

• pmd.net.ngbe.init (default level is notice)

  Extra logging of the messages during PMD initialization.

42.4. Driver compilation and testing

Refer to the document compiling and testing a PMD for a NIC for details.

42.5. Limitations or Known issues

Build with ICC is not supported yet. Power8, ARMv7 and BSD are not supported yet.