RTEMS | Controller Area Network (CAN) Stack Improvements (#5440)

Vansh Dobhal (@v4xsh) gitlab at rtems.org
Mon Feb 23 06:40:16 UTC 2026




Vansh  Dobhal commented: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5440#note_143286


> Hi @michallenc @ppisa @gedare,
>
> I’ve started ramping up on the SJA1000 driver and reviewing the recent implementation, particularly the worker path and TX handling logic. I’m currently setting up my environment to reproduce the `rtems_can_test` scenarios under QEMU (pc386) to better understand the end-to-end behavior.
>
> As an initial direction for my GSoC preparation, I’m considering focusing on:
>
> * establishing a clean QEMU + pc386 baseline for the SJA1000 path,
> * studying the TX scheduling/abort behavior under load,
> * and identifying areas where example/test coverage could be strengthened for more reliable automated testing.
>
> Before I go too far down this path — would you recommend continuing with SJA1000-focused experimentation and test improvements first, or should contributors prioritize work in the `can_queue` layer earlier?
>
> I’ll share concrete results once I have the QEMU setup running.
>
> Thanks!

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5440#note_143286
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