NVIDIA ConnectX-6 Dx Adapter Cards Firmware Release Notes v22.34.1002
NVIDIA ConnectX-5 Adapter Cards Firmware Release Notes v16.35.3502 LTS

Changes and New Features

Warning

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

Warning

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.

Warning

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.

Feature/Change

Description

22.34.1002

LLDP Properties Implementation on RDE

Added LLDPEnable, LLDPTransmit and LLDPReceive properties to the RDE Port schema implementation.

PPS Offset

Added a 22 nanosecond of propagation delay to the cable delay of the PPS signal when using PPS out.

Programmable CC, PPCC, MAD, IBCC

Added support for PPCC register with bulk operations, MAD for algorithm configuration and tunable parameters.

Programmable Counters

Added support for programmable counters for PCC via PPCC register and MAD.

Queue Counters Allocation

This new capability allows privileged users to allocate queue counters. In this new feature the get_max_qp_cnt_cur_cap() returns a valid value when the UID is with UCTX_CAP_INTERNAL_DEVICE_RESOURCES, otherwise it returns 0.

Bug Fixes

See Bug Fixes in this Firmware Version section.

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

  • QUERY_MAD_DEMUX

  • SET_MAD_DEMUX

  • CREATE_RQ - MEMORY_RQ_RMP

  • MODIFY_LAG_ASYNC_EVENT

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