| 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. |
