Quelle  sysfs-devices-platform-soc-ipa   Sprache: C

What:  /sys/devices/platform/soc@X/XXXXXXX.ipa/
Date:  June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
  The /sys/devices/platform/soc@X/XXXXXXX.ipa/ directory
  contains read-only attributes exposing information about
  an IPA device.  The X values could vary, but are typically
  "soc@0/1e40000.ipa".

What:  .../XXXXXXX.ipa/version
Date:  June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/version file contains the IPA hardware
  version, as a period-separated set of two or three integers
  (e.g., "3.5.1" or "4.2").

What:  .../XXXXXXX.ipa/feature/
Date:  June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/feature/ directory contains a set of
  attributes describing features implemented by the IPA
  hardware.

What:  .../XXXXXXX.ipa/feature/rx_offload
Date:  June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/feature/rx_offload file contains a
  string indicating the type of receive checksum offload
  that is supported by the hardware.  The possible values
  are "MAPv4" or "MAPv5".

What:  .../XXXXXXX.ipa/feature/tx_offload
Date:  June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/feature/tx_offload file contains a
  string indicating the type of transmit checksum offload
  that is supported by the hardware.  The possible values
  are "MAPv4" or "MAPv5".

What:  .../XXXXXXX.ipa/endpoint_id/
Date:  July 2022
KernelVersion: v5.19
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/endpoint_id/ directory contains
  attributes that define IDs associated with IPA
  endpoints.  The "rx" or "tx" in an endpoint name is
  from the perspective of the AP.  An endpoint ID is a
  small unsigned integer.

What:  .../XXXXXXX.ipa/endpoint_id/modem_rx
Date:  July 2022
KernelVersion: v5.19
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/endpoint_id/modem_rx file contains
  the ID of the AP endpoint on which packets originating
  from the embedded modem are received.

What:  .../XXXXXXX.ipa/endpoint_id/modem_tx
Date:  July 2022
KernelVersion: v5.19
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/endpoint_id/modem_tx file contains
  the ID of the AP endpoint on which packets destined
  for the embedded modem are sent.

What:  .../XXXXXXX.ipa/endpoint_id/monitor_rx
Date:  July 2022
KernelVersion: v5.19
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/endpoint_id/monitor_rx file contains
  the ID of the AP endpoint on which IPA "monitor" data is
  received.  The monitor endpoint supplies replicas of
  packets that enter the IPA hardware for processing.
  Each replicated packet is preceded by a fixed-size "ODL"
  header (see .../XXXXXXX.ipa/feature/monitor, above).
  Large packets are truncated, to reduce the bandwidth
  required to provide the monitor function.

What:  .../XXXXXXX.ipa/modem/
Date:  June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/modem/ directory contains attributes
  describing properties of the modem embedded in the SoC.

What:  .../XXXXXXX.ipa/modem/rx_endpoint_id
Date:  June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/modem/rx_endpoint_id file duplicates
  the value found in .../XXXXXXX.ipa/endpoint_id/modem_rx.

What:  .../XXXXXXX.ipa/modem/tx_endpoint_id
Date:  June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
  The .../XXXXXXX.ipa/modem/tx_endpoint_id file duplicates
  the value found in .../XXXXXXX.ipa/endpoint_id/modem_tx.