Device Registers of Mellanox ConnectX-5


I’m right now working on the low-level configuration of a Mellanox ConnectX-5 (MT27800 family) with mstmcra-command. Thus I’m wondering whether there is some official documentation of the low-level device registers of these Cards and their functionality.

Thanks in advance!

There is none.

What are you looking for?

we can’t publish to customer

I’m still trying to understand how ICRC can be disabled on a Mellanox ConnectX-5 card (MT27800 family). I’ve found scripts online that pretend to do exactly this for various Mellanox-cards by manipulating a set of device registers with the mstmcra-command, but a source for their choice of registers is nowhere to be found. I would like to verify my mstmcra-commands with the official documentation of the device registers of the Mellanox-cards.

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