Bluetooth: ISO: Cleanup BIG before stopped callback #93324
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Pull Request Overview
This PR modifies the BIG (Broadcast Isochronous Group) disconnection sequence to perform cleanup before invoking the stopped callback, allowing callers to immediately reuse BIG and ISO channel resources. The key changes include:
- Moved
cleanup_big()call insidebig_disconnect()to occur before the stopped callback - Added special handling for BIS (Broadcast Isochronous Stream) TX completion cleanup
- Added assertion to prevent workqueue corruption during connection initialization
Reviewed Changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
subsys/bluetooth/host/iso.c |
Core change: moves cleanup_big() into big_disconnect() and adds BIS TX completion handling |
subsys/bluetooth/host/conn.c |
Adds assertion to prevent workqueue corruption during connection initialization |
tests/bluetooth/host/conn/mocks/kernel.h |
Adds mock declaration for k_work_busy_get function |
tests/bluetooth/host/conn/mocks/kernel.c |
Adds mock implementation for k_work_busy_get function |
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zephyrbot
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area: Bluetooth ISO
Modify the big_disconnect function to do cleanup_big before calling the `stopped` callback. This will allow the ISO channels, as well as the BIG itself, to be reused for other purposes directly in the stopped callback, without having to offload such actions to a separate thread. Signed-off-by: Emil Gydesen <[email protected]>
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cvinayak
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Aug 16, 2025
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Modify the big_disconnect function to do cleanup_big before
calling the
stoppedcallback. This will allow the ISO channels,as well as the BIG itself, to be reused for other purposes directly
in the stopped callback, without having to offload such actions
to a separate thread.