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doc: (n)FAPI: Correct header levels to also match transport

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Robert Schmidt
2025-12-03 16:02:47 +01:00
parent b137478dc8
commit 2230606f42
1 changed files with 6 additions and 4 deletions
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doc/nfapi.md
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# FAPI/nFAPI split in OAI
This document describes the SmallCellForum (SCF) (n)FAPI split in 5G, i.e., This document describes the SmallCellForum (SCF) (n)FAPI split in 5G, i.e.,
between the MAC/L2 and PHY/L1. It also describes how to make use of the between the MAC/L2 and PHY/L1. It also describes how to make use of the
multiple transport mechanisms between the 2. multiple transport mechanisms between the 2.
@@ -10,7 +12,7 @@ about nFAPI can be found in SCF 225.2.0.
[[_TOC_]] [[_TOC_]]
# Quickstart ## Quickstart
Compile OAI as normal. Start the CN and make sure that the VNF configuration Compile OAI as normal. Start the CN and make sure that the VNF configuration
matches the PLMN/IP addresses. Then, run the VNF matches the PLMN/IP addresses. Then, run the VNF
@@ -29,7 +31,7 @@ VNF!)
You should not observe a difference between nFAPI split and monolithic. You should not observe a difference between nFAPI split and monolithic.
# Status ## Status
All FAPI message can be transferred between VNF and PNF. This is because OAI All FAPI message can be transferred between VNF and PNF. This is because OAI
uses FAPI with its corresponding messages internally, whether a split is in use uses FAPI with its corresponding messages internally, whether a split is in use
@@ -54,7 +56,7 @@ When using RFsim, the system might run slower than in monolithic. This is
because the PNF needs to slow down the execution time of a specific slot, because the PNF needs to slow down the execution time of a specific slot,
because it has to send a Slot.indication to the VNF for scheduling. because it has to send a Slot.indication to the VNF for scheduling.
# Configuration ## Configuration
Both PNF and VNF are run through the `nr-softmodem` executable. The type of Both PNF and VNF are run through the `nr-softmodem` executable. The type of
mode is switched through the `--nfapi` switch, with options `MONOLITHIC` mode is switched through the `--nfapi` switch, with options `MONOLITHIC`
@@ -256,7 +258,7 @@ Run the OAI-UE
sudo ./nr-uesoftmodem -r 273 --numerology 1 --band 78 -C 3400140000 --ssb 1518 --uicc0.imsi 001010000000001 --rfsim sudo ./nr-uesoftmodem -r 273 --numerology 1 --band 78 -C 3400140000 --ssb 1518 --uicc0.imsi 001010000000001 --rfsim
# nFAPI logging system ## nFAPI logging system
nFAPI has its own logging system, independent of OAI's. It can be activated by nFAPI has its own logging system, independent of OAI's. It can be activated by
setting the `NFAPI_TRACE_LEVEL` environment variable to an appropriate value; setting the `NFAPI_TRACE_LEVEL` environment variable to an appropriate value;