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- What: /sys/devices/platform/soc@X/XXXXXXX.ipa/
- Date: June 2021
- KernelVersion: v5.14
- Contact: Alex Elder <[email protected]>
- 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 <[email protected]>
- 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 <[email protected]>
- 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 <[email protected]>
- 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 <[email protected]>
- 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 <[email protected]>
- 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 <[email protected]>
- 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 <[email protected]>
- 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 <[email protected]>
- 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 <[email protected]>
- 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 <[email protected]>
- 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 <[email protected]>
- Description:
- The .../XXXXXXX.ipa/modem/tx_endpoint_id file duplicates
- the value found in .../XXXXXXX.ipa/endpoint_id/modem_tx.
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