Phani R Burra b4ff4e626a libie: add bookkeeping support for control queue messages ...

Small send control queue message buffers are managed and reused by
libie itself, bigger send buffers are consumed. All are tracked with
the unique transaction (Xn) ids until they receive response or time out.

Responses can be received out of order, therefore transactions are stored
in an array and tracked though a bitmap. Rx buffers utilize page_pool.

Pre-allocated DMA memory is used where possible. It reduces the driver
overhead in handling memory allocation/free and message timeouts.

Reviewed-by: Maciej Fijalkowski <[email protected]>
Signed-off-by: Phani R Burra <[email protected]>
Co-developed-by: Victor Raj <[email protected]>
Signed-off-by: Victor Raj <[email protected]>
Co-developed-by: Pavan Kumar Linga <[email protected]>
Signed-off-by: Pavan Kumar Linga <[email protected]>
Tested-by: Bharath R <[email protected]>
Tested-by: Samuel Salin <[email protected]>
Co-developed-by: Larysa Zaremba <[email protected]>
Signed-off-by: Larysa Zaremba <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>

2026-08-12 13:56:51 -07:00

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intel

libie: add bookkeeping support for control queue messages

2026-08-12 13:56:51 -07:00