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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/modem/
Date: June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
The .../XXXXXXX.ipa/modem/ directory contains a set of
attributes describing properties of the modem execution
environment reachable by the IPA hardware.
What: .../XXXXXXX.ipa/modem/rx_endpoint_id
Date: June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
The .../XXXXXXX.ipa/feature/rx_endpoint_id file contains
the AP endpoint ID that receives packets originating from
the modem execution environment. The "rx" is from the
perspective of the AP; this endpoint is considered an "IPA
producer". An endpoint ID is a small unsigned integer.
What: .../XXXXXXX.ipa/modem/tx_endpoint_id
Date: June 2021
KernelVersion: v5.14
Contact: Alex Elder <elder@kernel.org>
Description:
The .../XXXXXXX.ipa/feature/tx_endpoint_id file contains
the AP endpoint ID used to transmit packets destined for
the modem execution environment. The "tx" is from the
perspective of the AP; this endpoint is considered an "IPA
consumer". An endpoint ID is a small unsigned integer.
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