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This section includes history of changes and new feature of 3 major releases back. For older releases history, please refer to the relevant firmware versions.

Feature/ChangeDescription

14.30.1004

Performance: SteeringAdded support for a new NV config mode “icm_cache_mode_large_scale_steering” that enables less cache misses and improves performance for cases when working with many steering rules.
This capability is enabled using the mlxconfig parameter "ICM_CACHE_MODE".
Bug Fixes

See Bug Fixes section. 

14.29.2002

Bug Fixes

See Bug Fixes section. 

14.29.1016

Ethernet wqe_too_small ModeAdded a new counter per vPort that counts the number of packets that reached the Ethernet RQ but cannot fit into the WQE due to their large size. Additionally, we added the option to control if such packet will cause “CQE with Error” or “CQE_MOCK”.
CountersAdded support for the cq_overrun counter. The counter represents the number of times CQs enter an error state due to overflow that occur when the device tries to post a CQE into a full CQ buffer.
Pause Frames from VFs[Beta] Enabled the capability to allow Virtual Functions to send Pause Frames packets.
Auto-SensingEnabled 10/25GbE auto-sensing with 3rd party when using 10/25GbE optical cables.
Steering Dump

Hardware steering dump output used for debugging and troubleshooting.

Please see Known Issue 2213356 for its limitations.

14.28.2006

CablesAdded support for Rate-Select on SFP+ (AFBR-57F5UMZ-EP1) cables to raise 10GbE link speed.
NC-SIAdded a new NC-SI command (get_device_id) to report a unique device identifier.
NC-SIAdded new NC-SI commands (get_lldp_nb, set_lldp_nb) to query the current status of LLDP and to enable/disable it.
Bug FixesSee Bug Fixes.

14.28.1300

Bug FixesSee Bug Fixes.

14.28.1002

Power Consumption

Added mlxconfig support for power reduction:

  • PCI CAP
  • AUTO_POWER_SAVE_LINK_DOWN
Resourcedump

Added the following segments, as appeared in the PRM, to the Resource Dump:

  • PRM_QUERY_QP
  • PRM_QUERY_CQ
  • PRM_QUERY_MKEY
  • QUERY_VNIC_ENV
NC-SI 1.2 New Command

Implemented the following new command from NS-SI 1.2 specification:

  • Get PF Assignment
Parallel VF init/Teardown Performance OptimizationImproved init_hca performance in Parallel Function initialization.
Bug FixesSee Bug Fixes.