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TDA4VM: MCAN driver on Linux - one-shot mode

Ognjen Djekic
Prodigy 140 points

Part Number: TDA4VM

Hello,

We are using MCAN driver on Linux for data exchange between TDA4 and ECU.

In our case when ECU is not accessible, "send" function on TDA4 side still returns successfully but internally driver is trying re-transmission for the current CAN message.

While looking into can-networking documentation: https://www.kernel.org/doc/Documentation/networking/can.txt we noticed "one-shot" mode parameter option. This parameter should avoid continuous data re-transmission for can driver but when we try using this option with mcan driver on TDA4 through iplink linux command we get "Operation not supported" message.

Is there a way for MCAN Linux driver to set this "one-shot" mode (no ACK required)?

Best regards,

Ogi.