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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