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If you work with J1939 there is a can-j1939 kernel module which was mainlined in the 5.4 Linux kernel. It handles address negotiation and other time-sensitive matters which would have had to be done in user space previously.

https://github.com/linux-can/can-utils/blob/master/can-j1939...






Welp this makes my day-job a touch simpler now. Thank you for the heads up!



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