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Merge remote-tracking branch 'origin/ldpc-aal' into integration_2025_w32 (!3344)

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LDPC BBDEV/AAL rework

This branch aims to generalize the existing LDPC T2 implementation to support
other DPDK BBDEV accelerators, e.g., Intel ACC100/200.

Differences from the current T2 implementation include:
  1. relax CMakeLists.txt checking for custom dpdk-t2 implementation,
     technically, any DPDK BBDEV should work
  2. BBDEV capability checks during init
  3. llr_scaling to scale the input llr accordingly for better decoding
     performance on the Intel ACC100/200
  4. self-managed harq buffers for the ACC200, as internal harq memory is not
     available

Tested BBDEV devices:
  1. Intel ACC100
  2. Intel ACC200/VRB1
This commit is contained in:
Jaroslava Fiedlerova
2025-08-07 12:17:11 +02:00
parent 5555a465fc f6aeb21d97
commit 5ca59d0f48
16 changed files with 1097 additions and 415 deletions
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doc/README.md
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@@ -64,7 +64,7 @@ There is some general information in the [OpenAirInterface Gitlab Wiki](https://
- [How to run with E2 agent](../openair2/E2AP/README.md)
- [How to run the physical simulators](./physical-simulators.md)
- [How to setup OAI with Nvidia Aerial and Foxconn](./Aerial_FAPI_Split_Tutorial.md)
- [How to setup OAI with AMD T2 Telco card](./LDPC_T2_OFFLOAD_SETUP.md)
- [How to setup OAI with LDPC accelerators (Xilinx T2/Intel ACCs)](./LDPC_OFFLOAD_SETUP.md)
- [How to do a handover](./handover-tutorial.md)
- [How to setup gNB frequency](./gNB_frequency_setup.md)