Changes and New Features History

v2.8.0
Cables	Added support for CMIS cable.
PortVLXmit	Added support for PortVLXmitFlowCtlUpdateErrors.
PortVLXmit	Added support for PortVLXmitWait.
PHY plugin	Updated SLRG_16 and SLTP_16 registers.
PHY plugin	Added support for PCI Diagnostic Data Pages.
Adapter Cards: Socket-Direct	Added a list of Socket-Direct HCAs to DB_CSV.
Adapter Cards: Socket-Direct	Socket-Direct HCAs are excluded from Rail-Optimized Topology validation.
PM Stage Reports Overflow & Threshold	PM Stage reports overflow & threshold for 3 counters only: SyncHeaderErrorCounter UnknownBlockCounter port_fec_uncorrectable_block_counter
Fat Tree Validation	Improved "Connectivity group" detection.
ibnetdiscover	ibnetdiscover file will not be generate in case of the scope file usage.
Fabric Summary	Fabric Summary now includes number of Socket-Direct HCAs
Error/Warning Reporting	Error/warning reporting to screen and log files is limited by 5 of each type, DB_CSV includes all errors
v2.7.0
Link Speed	Added support for NDR InfiniBand link speed.
Fat Tree Topology	Enabled a new Fat Tree Topology validation tool.
Virtualization Stage	Redesigned the Virtualization stage to asynchronous mode.
AGUID	AGUID stage is disabled by default. To enable it, use the `'--aguid'` parameter.
db_csv	db_csv will now contain information about connected ports only.
v2.6.1
ibdiagnet	Enabled Adaptive Routing validation Performance improvement of routing checking Added new counters and diagnostic information: SHARP: “SAT” (“Streaming Aggregation”) counters PHY: Maximum PLR per second field in PPCNT PHY: SLLM register PHY: New SymbolBER thresholds Adaptive Routing: PortARTrails counter Added support for SHARP security (AMKEY) Enabled reporting port counter differences when using `"–pm_pause_time"` (PM_DELTA section in db_csv) Added Dragonfly+ Topology Validation (--dfp, --dfp_opt [<max_cas>] ) Added the option to report the version on the screen and in log file
ibtopodif	Added support for “stable” names of RDMA devices based on PCI/slot/function location.
ibnetdiscover dump file (created by ibdiagnet)	Now the dump file includes Virtual Port info
v2.5.1
Rail Optimized Topology Validation	Checks links between compute nodes and leaf switches to provide rail optimized topology (`--rail_validation, --rail_validation_opt [<regex>]` ).
Service Level	Customization SL for GMP MADs in ibdiagnet (`--sl`).
General	Added output similar to the results of the "ibnetdiscovery" ibdiagnet: Disabled the output by default for AR/FDBS files in routing stage Moved SHARP performance counters to db_csv Dumped by default FEC_MODE section in db_csv Improved AR connectivity check
v2.4.0
General	Flexible output control options (--enable_output , --disable_output, --path) Discovery only mode (–discovery_only) Support for MLNX Congestion Control counters “Fabric Summary” is enabled by default. Dates and versions in “nodes_info” file are printed in human-readable format. Dump files include ibdiagnet version and command line parameters. Added split mode to IBNL for “InfiniBand Smart Director Switches” (CS8500)
Performance Improvements	The performance of following steps in ibdiagnet have been improved: Routing validation Network discovery Virtualization stage Dump creation

Changes in Command Line Parameters

Version	Tool	Parameter Name	Status	Description
2.8.0	--r_opt	dump_only_skip_routing_tables	Added	Skips routing tables (LFTs) retrieving
	rn	Deprecated	Dumps routing notification data to file (enabled by default)
	drnc	Deprecated	Dumps routing notification port counters to file (enabled by default)
2.7.0	ibdiagnet	--ft	New	Enables Fat Tree Topology Validation (default - disabled)
		--aguid	New	Collects AGUIDs
		--enable_spst	Removed	SPST mode is enabled by default. Option was deprecated in 2.6.1
2.6.1	ibdiagnet	--smp_window	Upper limit and default are changed	Max: 256; default: 16
		--gmp_window	Upper limit and default are changed	Max: 16384; default: 256
		--am_key	New	Specifies default AMKEY for the fabric
		--am_key_file	New	Specifies the path to file (AMKEY per GUID)
		--smdb	New	Specifies the path to OpenSM SMDB file (required for Adaptive Routing & Dragonfly+ Topology validation)
		--ber_threshold_table	New	Specifies the path to BER thresholds table file (BER per FEC)
		--create_ber_threshold_table	New	Creates template file of BER threshold table
		--enable_spst	Deprecated	SPST mode is enabled by default
		--dfp	New	Enabling DFP Topology Validation (default - disabled)
		--dfp_opt	New	Specifies comma separated DFP Topology Validation options
	dfp_opt	<max_cas>	-	Specifies max number of CAs for “Root” switch in Dragonfly+ island (default: 1). This parameter is mutual exclusive with --smdb
	ibdmchk	--FAR	New	Adds support for input FAR file
2.5.1	ibdiagnet	--sl	New	Specifies the SL to be used (default=0)
		--rail_validation	New	Enabling Rail Optimized Topology Validation (default - disabled)
		--rail_validation_opt	New	Specifies comma separated Rail Optimized Topology Validation options
		--clear_congestion_counters	New	Dumping Congestion Counters and clearing them
		--fec_mode	Deprecated	FEC_MODE section will be dump to "db_csv" by default
	--rail_validation_opt	<regex>	-	Specifies regular expression to filter HCA nodes from reports. To be applied to HCAs node descriptions
2.4.0	ibdiagnet	--enable_output	New	Enable creation of specific dump file
		--disable_output	New	Disable specific dump file
		--path	New	Set custom path for specific dump file
		--discovery_only	New	Discover IB fabric, save topology information into “db_csv” file and exit
		--smp_window	Upper limit is changed	New max is 128
		--gmp_window	Upper limit is changed	New max is 8192
	ibtopodiff	--ibnl_dir	New	Set path for IBNL files

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