Changes and New Features
SR-IOV - Virtual Functions (VF) per Port - The maximum Virtual Functions (VF) per port is 127. For further information, see Known Issues.
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.
When upgrading or changing the configuration on multi-host adapter cards, for the changes to take effect, PCIe restart must be simultaneously sent from both hosts (servers).
To do so, perform the following:
1. Shut down the server with the auxiliary card.
2. Shut down the server with the primary card.
3. Bring back the server with the primary card.
4. Bring back the server with the auxiliary card.
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Feature/Change |
Description |
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20.39.1002 |
|
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MCTP over PCIe |
Enabled Management Component Transport Protocol (MCTP) over PCIe. |
|
Expansion ROM |
Added a caching mechanism to improved expansion ROM performance and to avoid any slow boot occurrences when loading the expansion ROM driver. |
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Reserved mkey |
Added new support for reserved mkey index range. When enabled, a range of mkey indexes is reserved for mkey by name use. |
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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