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Refactor F1 Setup Req/DU config update: transport slices via F1 and read config

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In the DU, read slice information from the DU config file. Handle
multiple slices within the F1 Setup Request structure representation,
and forward it via F1 to CU. The DU slice information is stored in the
setup request structure.
This commit is contained in:
Robert Schmidt
2024-05-06 11:54:41 +02:00
parent 740189c625
commit 956df365de
5 changed files with 57 additions and 11 deletions
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openair2/GNB_APP/gnb_config.c
+16 -2
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@@ -1075,6 +1075,8 @@ static int read_du_cell_info(configmodule_interface_t *cfg,
PLMNParams[I].chkPptr = &(config_check_PLMNParams[I]);
paramlist_def_t PLMNParamList = {GNB_CONFIG_STRING_PLMN_LIST, NULL, 0};
config_getlist(cfg, &PLMNParamList, PLMNParams, sizeof(PLMNParams) / sizeof(paramdef_t), aprefix);
AssertFatal(PLMNParamList.numelt > 0, "need to have a PLMN in PLMN section\n");
AssertFatal(PLMNParamList.numelt == 1, "cannot have more than one PLMN\n");
// if fronthaul is F1, require gNB_DU_ID, else use gNB_ID
if (separate_du) {
@@ -1099,8 +1101,20 @@ static int read_du_cell_info(configmodule_interface_t *cfg,
info->plmn.mnc_digit_length);
info->nr_cellid = (uint64_t) * (GNBParamList.paramarray[0][GNB_NRCELLID_IDX].u64ptr);
LOG_W(GNB_APP, "no slices transported via F1 Setup Request!\n");
info->num_ssi = 0;
paramdef_t SNSSAIParams[] = GNBSNSSAIPARAMS_DESC;
paramlist_def_t SNSSAIParamList = {GNB_CONFIG_STRING_SNSSAI_LIST, NULL, 0};
checkedparam_t config_check_SNSSAIParams[] = SNSSAIPARAMS_CHECK;
for (int J = 0; J < sizeofArray(SNSSAIParams); ++J)
SNSSAIParams[J].chkPptr = &(config_check_SNSSAIParams[J]);
char snssaistr[MAX_OPTNAME_SIZE * 2 + 8];
sprintf(snssaistr, "%s.[0].%s.[0]", GNB_CONFIG_STRING_GNB_LIST, GNB_CONFIG_STRING_PLMN_LIST);
config_getlist(config_get_if(), &SNSSAIParamList, SNSSAIParams, sizeofArray(SNSSAIParams), snssaistr);
info->num_ssi = SNSSAIParamList.numelt;
for (int s = 0; s < info->num_ssi; ++s) {
info->nssai[s].sst = *SNSSAIParamList.paramarray[s][GNB_SLICE_SERVICE_TYPE_IDX].uptr;
info->nssai[s].sd = *SNSSAIParamList.paramarray[s][GNB_SLICE_DIFFERENTIATOR_IDX].uptr;
AssertFatal(info->nssai[s].sd <= 0xffffff, "SD cannot be bigger than 0xffffff, but is %d\n", info->nssai[s].sd);
}
return 1;
}