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Important Notes

SR-IOV - Virtual Functions (VF) per Port - The maximum Virtual Functions (VF) per port is 127. For further information, see RoCE Limitations.

It is recommended to enable the “above 4G decoding” BIOS setting for features that require large amount of PCIe resources.

Such features are: SR-IOV with numerous VFs, PCIe Emulated Switch, and Large BAR Requests.

Security Hardening Enhancements: This release contains important reliability improvements and security hardening enhancements. NVIDIA recommends upgrading your devices' firmware to this release to improve the devices’ firmware security and reliability.

Changes and New Feature in this Firmware Version 



UDPAdded support for copy modify header steering action to/from the UDP field.
Resource Dump

Added the following resource dump segments:

  • SEG_HW_STE_FULL that includes dump to STE and all its dependencies
  • SEG_FW_STE_FULL that include dump to FW_STE and to HW_STE_FULL in range
Striding WQE - Headroom and Tail-roomAs the software requires additional space before and after a packet is scattered for its processing for stridden RQ, the hardware will allocate the required room while scattering packets to spare a copy. 
QoS Priority Trust Default State

QoS priority trust default state can now be changed using the new nvconfig below:


The values that can be used to set the default state are:

Bug FixesSee Bug Fixes in this Firmware Version section. 

Unsupported Features and Commands

Unsupported Features

The following advanced feature are unsupported in the current firmware version:

  • The following service types:
    • SyncUMR
    • Mellanox transport
    • RAW IPv6
  • INT-A not supported for EQs only MSI-X
  • PCI VPD write flow (RO flow supported)
  • Streaming Receive Queue (STRQ) and collapsed CQ
  • Subnet Manager (SM) on VFs
  • RoCE LAG in Multi-Host/Socket-Direct

Unsupported Commands