Changes and New Features
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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.
LLDP Properties Implementation on RDE
Added LLDPEnable, LLDPTransmit and LLDPReceive properties to the RDE Port schema implementation.
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.
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.
See Bug Fixes in this Firmware Version section.
The following advanced feature are unsupported in the current firmware version:
The following service types:
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
CREATE_RQ - MEMORY_RQ_RMP