NVIDIA Mellanox MCX4431A-GCAN PCIe Card Firmware 14.28.1002

Important Notes:

- Security Hardening Enhancements: This release contains important reliability improvements and security hardening enhancements. Mellanox recommends upgrading your devices firmware to this release to improve the devices’ firmware security and reliability.
- SR-IOV - Virtual Functions (VF) per Port - The maximum Virtual Functions (VF) per port is 127.

Changes and New Feature:

- Added mlxconfig support for power reduction: PCI CAP and AUTO_POWER_SAVE_LINK_DOWN
- Added the following segments, as appeared in the PRM, to the Resource Dump: PRM_QUERY_QP, PRM_QUERY_CQ, PRM_QUERY_MKEY, and QUERY_VNIC_ENV
- Implemented the following new command from NS-SI 1.2 specification: Get PF Assignment
- Improved init_hca performance in Parallel Function initialization.

Bug Fixes:

- Fixed an issue that caused the sent packet to hang while the device entered FLR mode.
- Enabled Bar configuration bytewise by applying the write_en bitmask.
- Fixed a rare case where the the device hanged while running the sw reset flow under heavy stress and with many open resources.
- Fixed low PXE performance while using the VSC to trigger the send_ring_doorbells.
- Fixed an error that prevented the completions (CQ) from being completed due to a race condition in the firmware transport error handlers, and the error stressors, where the error stressors would hang the firmware transport error handler flow. 
- Fixed an issue that cause fragmented IP packets to drop.
- Fixed an issue that prevented the desched_threshold field from working properly.
- Added the option to use the unicast MAC from the NC-SI cmd Set MAC Address to establish OS to BMC passthrough.
- Fixed a firmware fatal assert that showed an IRISC HANG due to init_hca waiting on the timers flow lock release.

About Network Adapter Drivers:

When connected, the operating system usually installs a generic driver that helps the computer to recognize the newly attached device.

However, proper software must be applied if you want to make use of all features that the network adapter has available. This task also allows computers to properly recognize all device characteristics such as manufacturer, chipset, technology, and others.

Updating the adapter's drivers and utilities version might improve overall performance and stability, increase transfer speeds, fix different compatibility problems and several network-related errors, as well as bring various other changes.

To install this release, simply get the package, extract it if necessary, run the setup, and follow the instructions displayed on-screen. When done, don't forget to perform a system restart and reconnect the network adapter to make sure that all changes take effect properly.

Without further ado, if you intend to apply this version, click the download button and install the package. Moreover, check with our website as often as possible so that you don't miss a single new release.

  It is highly recommended to always use the most recent driver version available.

Try to set a system restore point before installing a device driver. This will help if you installed an incorrect or mismatched driver. Problems can arise when your hardware device is too old or not supported any longer.