Changes and New Feature in this Firmware Version

Warning

Firmware version 28.38.1900 (together with MLNX_OFED v23.07-0.5.1.2) should be used by InfiniBand customers.

Feature/Change	Description
28.38.1900
QKEY Mitigation in the Kernel	QKEY creation with the MSB set is available now for non-privileged users as well. To allow non-privileged users to create QKEY with MSB set, the below new module parameter was added to ib_uverbs module: Module Parameter: `enforce_qkey_check` Description: Force QKEY MSB check for non-privileged user on UD QP creation Default: 0 (disabled) Note: In this release, this module parameter is disabled by default to ensure backward compatibility and give customers the opportunity to update their applications accordingly. In the upcoming release, it will be enabled by default, and later on deprecated.

Feature/Change

Description

28.38.1900

QKEY Mitigation in the Kernel

QKEY creation with the MSB set is available now for non-privileged users as well.

To allow non-privileged users to create QKEY with MSB set, the below new module parameter was added to ib_uverbs module:

Module Parameter: enforce_qkey_check
Description: Force QKEY MSB check for non-privileged user on UD QP creation
Default: 0 (disabled)

Note: In this release, this module parameter is disabled by default to ensure backward compatibility and give customers the opportunity to update their applications accordingly. In the upcoming release, it will be enabled by default, and later on deprecated.