Changes and New Features

Red Hat Enterprise Linux (RHEL) 8.9 Driver Documentation

Component

Feature/Change

Description

mlx5

Enablement of OVS\OVN Inbox offload

[ConnectX-6 Dx and above] Added support for GRE and Geneve tunnels' offload when the tunnel source IP is on a VF.

CT UDP Unidirectional Traffic Offload

[ConnectX-4 Dx and above] Offloaded long-running unidirectional UDP connection with conntrack.

Multi Port E-switch Support

[ConnectX-6 Dx] Enabled multiport of E-Switch A mode, where a single E-Switch is used and all the vports and physical ports on the NIC are connected to it. For example, sending traffic from a VF that is created on PF0 to an uplink that is natively associated with PF1 uplink.

Support TC Police MTU Match

[ConnectX-4 Dx and above] Added support for TC police action MTU attributes' offload, which allows users to compare the pktlen to the MTU value. In addition, added support for TC police jump conform-exceeds' offload and control action.

RDMA pkts and Bytes Counters on VFs Expose to Host

[ConnectX-5 and above] Added RDMA traffic-only counters for rep devices. These counters can now be read from host with ethtool or from sysfs and not only from the container.

General Driver Support

Driver base Upstream Kernel v6.3

mlx4

General Driver Support

Driver base Upstream Kernel v6.3

rdma-core

General Driver Support

Updated to version rdma-core-46.0-1.el8.1

mstflint

General Driver Support

Updated to version mstflint-4.24.0-1.el8

VMA

General Driver Support

Updated to version libvma-9.8.20-3.el8

UCX

General Driver Support

Updated to version ucx-1.14.1-1.el8.1

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