[nrf fromlist] drivers: bluetooth: hci: Add retries for IPC interface #2550
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Add HCI IPC retry handling in case of full IPC queue. This mechanism improves reliability. The ipc_service_send can return -ENOMEM in case of full queue. If this happens the retries are executed in order to wait for queue to empty and not drop messages. If the retry mechanism reaches maximum then the error code is passed back to the host. The change should improve the handling of passing messages to full ipc and reduce dropping of packets. Upstream PR #: 85649 Signed-off-by: Dominik Chat <[email protected]>
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pdunaj,
grochu,
rakons,
doki-nordic and
maje-emb
maje-emb
approved these changes
Feb 24, 2025
pdunaj
approved these changes
Feb 24, 2025
grochu
approved these changes
Feb 24, 2025
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Add HCI IPC retry handling in case of full IPC
queue. This mechanism improves reliability.
The ipc_service_send can return -ENOMEM in case
of full queue. If this happens the retries are
executed in order to wait for queue to empty
and not drop messages.
If the retry mechanism reaches maximum then
the error code is passed back to the host.
The change should improve the handling of
passing messages to full ipc and reduce
dropping of packets.
Upstream PR #: 85649