User Manual Revision History

Date	Revision	Section	Description
April 30, 2022	2.90	Enhanced Connection Establishment	New section
		DOCA Socket Relay	New section
		Offload Capabilities for Windows DPDK	New section
		Installing WinOF-2 Driver	Updated the Custom Setup screenshot to include the new Doca Tools
November 30, 2021	2.80	Hardware QoS Offload	New section
		DevX Utility	New section
		DOCA Communication Channel API	New section
		GPUDirect	Added feature limitation.
		Configuring the Driver Registry Keys	Added registry key " NdkFmrDedicatedQp" to the RDMA Registry Keys section.
October 28, 2021	2.70.53000	All	No changes to the User Manual
July 13, 2021	2.70.51000	All	No changes to the User Manual
June 30, 2021	2.70	MlxNdPerf Utility	New section
		VXLAN Offloading Configuration Utility	New section
		GPUDirect	New section
		DevX Registry Keys	Updated the `DevxFsRules` registry key's values.
		Mellanox WinOF-2 Port QoS	Updated the description of the following counters: Sent Pause Frames Sent Pause Duration Received Pause Frames Received Pause Duration
January 04, 2021	2.60	Accessing DPU From Host	New section
		Configuration Validator	New section
		Link FEC Configuration Utility	New section
		Packet Pacing Capabilities	New section
		DevX Registry Keys	New section
		NDIS Poll Mode	New section
		smpquery Utility	New section
		Command Line Based Teaming Configuration	Updated section
		Ethernet Registry Keys	Added DisableLocalLoopbackFlags key
		Mellanox WinOF-2 Receive Datapath & Mellanox WinOF-2 Transmit Datapath / Mellanox WinOF-2 PCI Device Diagnostic & Mellanox WinOF-2 Diagnostics Extension 1	Added the following new counters: Packets processed in NDIS poll mode CQ Overrun
		Reported Driver Events	Changed the events below severity status from Error to Warnings: MLX_EVENT_LOG_IPOIB_ILLEGAL_Q_KEY (0x000A) MLX_EVENT_LOG_ILLEGAL_MAC_ADDRESS (0x0027) MLX_EVENT_LOG_SM_MTU_MISMATCH (0x0035) MLX_EVENT_ERROR_RESILIENCY_INIT_FAIL (0x0097) MLX_EVENT_ERROR_DUMP_ME_NOW (0x0169) EVENT_NDK_FAILED_TO_BE_ENABLED (0x016f) EVENT_NDK_FAILED_TO_BE_DISABLED (0x0170)
July 30, 2020	2.50	Mellanox WinOf-2 SW Backchannel Diagnostics	New section
		DSCP Based QoS	New section
		DevX Interface	New section
		VF’s DHCP Redirections	New section
		Additional MAC Addresses for the Network Adapter	New section
		Explicit Congestion Notification (ECN) Hint in CQE	New section
		Resource Dump	New section
		ResourceDump Registry Keys	New section
		Temperature Utility	New section
		Features Status Utility	New section
		Display RSS Information	New section
		Resource Dump Utility	New section
		NVIDIA BlueField SmartNIC Mode	New section
		.RShim Drivers and Usage v2.80	New section
		Mellanox WinOF-2 VF Diagnostics	Added the following new counters: Quota Exceeded Command Send Queue Priority Update Flow
		Dump Me Now (DMN) Registry Keys	Added a new registry key "DumpMeNowDumpMask"
		Mellanox WinOF-2 Receive Datapath / Mellanox WinOF-2 PCI Device Diagnostic	Added ECN related software counters
		Event Logs	Removed Event ID: 0x100
		Reported Driver Events	Added the following few events: 0x193-0x19C and removed Even ID: 0x0100
		Mellanox WinOF-2 PCI Device Diagnostic.	Added "Available PCI BW/Sec" and "Used PCI BW/Sec" counters
April 06, 2020	2.40.51000	N/A	No changes to the User Manual
March 03, 2020	2.40	Live Firmware Patch	New section
		Using Network Direct with Mellanox Adapters	New section
		Striding RQ	New section
		.Management Utilities v2.80	Added Firmware Capabilities Utility
		Resiliency	Updated the following sub-sections: Dumps and Incident Folders State Dumping (via Dump Me Now)
		Mellanox WinOF-2 Receive Datapath	Added Strided Wqes register
		Receive Side Scaling (RSS)	Added RSSv2 sub-keys
		Performance Registry Keys	Added RSSv2, StridingRqEnabled and NumberOfStrides registry keys
		Reported Driver Events	Added events 0x0190 & 0x0191
		Ethernet Registry Keys	Added the the RelaxedOrderingWrite & VFAllowedRelaxedOrdering registers
		Adapter Cards Counters	Added the following counters: Mellanox WinOF-2 Port QoS: Packets received discarded Mellanox WinOF-2 VF Diagnostics: Quota exceeded command Send queue priority update flow Mellanox WinOF-2 Port Traffic: Packets Received jabbers Error Packets Received Frame undersize error Packets Received unsupported opcode error Packets Received Frame too long Error Packets Received fragments Error Mellanox WinOF-2 Device Diagnostics: Internal RQ out of buffer Mellanox WinOF-2 PCI Device Diagnostic PCI link width the current width of PCIe link PCI link speed the current speed of PCIe link Mellanox WinOF-2 VF Port Traffic Mac Anti-Spoofing Packets Discarded Mac Anti-Spoofing Bytes Discarded Vlan Anti-Spoofing Packets Discarded Vlan Anti-Spoofing Bytes Discarded Allowed EthType Anti-Spoofing Packets Discarded Allowed EthType Anti-Spoofing Bytes Discarded
September 20, 2019	2.30	NIC Teaming	New section
		Zero Touch RoCE Parameters	New parameter to configure Zero Touch RoCE Facilities
		Mellanox WinOF-2 Diagnostics Extension 1	New Diagnostic Counters
		Performance Registry Keys	A new performance registry key (MaxCallsToNdisIndicate)
		Ethernet Registry Keys	Updated the `RoceMaxFrameSize` registry keys values
		Reported Driver Events	Updated error event 0x0042, added "rfr 0x<K>".
April 31, 2019	2.20	Zero Touch RoCE	New section
		Hardware Timestamping	New section
		Get-NetView Utility	New section
		Ethernet Registry Keys	As of WinOF-2 v2.20, these registry keys can be changed dynamically: DelayDropTimeout TCHeadOfQueueLifeTimeLimit TCHeadOfQueueLifeTimeLimitEnable TCStallCount TCStallEnable DeviceRxStallTimeout DeviceRxStallWatermark
		InfiniBand Related Troubleshooting	Added a new Issue "No link over ConnectX-6 IB VF."
		Reported Driver Events	Added the following Event IDs: 0x015a 0x015b 0x015c
Dec 03, 2018	2.10	Mellanox WinOF-2 Port Diagnostics	New section
		Mellanox WinOF-2 VF Internal Traffic Counters	New section
		Controlling VF Internal Traffic Counters	New section
		Dump PDDR Information	New section
		Sniffer Utility	Updated the section. Now the tool is supported in IB as well.
		RDMA Registry Keys	Added the NetworkDirectAdminOnly registry key.
		Basic Registry Keys	Added the *NetworkDirectTechnology registry key.