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[AMF] Fix search for correct SMF based on SmfInfo

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Each SMF's NfProfile can contain multiple SmfInfo items. The issue was
that AMF checked only the first SmfInfo for correct S-NSSAI/NR-TAI
information.

In case of a 5G core setup with SMF handling 2 or more slices, and UE
trying to establish multiple PDU sessions, AMF would report an error
when trying to find the correct serving SMF.

[amf] ERROR: [1:0] (NF discover) No [nsmf-pdusession] (../src/amf/nnrf-handler.c:85)
This commit is contained in:
Bostjan Meglic
2023-06-23 05:10:27 +00:00
committed by Sukchan Lee
parent aa13091a8c
commit f616037460
1 changed files with 15 additions and 5 deletions
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20
src/amf/context.c
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@@ -2185,11 +2185,21 @@ void amf_sbi_select_nf(
false) false)
continue; continue;
nf_info = ogs_sbi_nf_info_find( if ((nf_instance->nf_type == OpenAPI_nf_type_SMF) &&
&nf_instance->nf_info_list, nf_instance->nf_type); (ogs_list_count(&nf_instance->nf_info_list) > 0)) {
if (nf_info) { bool match = false;
if (nf_instance->nf_type == OpenAPI_nf_type_SMF &&
check_smf_info(nf_info, sess) == false) ogs_list_for_each(&nf_instance->nf_info_list, nf_info) {
if (nf_info->nf_type != nf_instance->nf_type)
continue;
if (check_smf_info(nf_info, sess) == false)
continue;
match = true;
break;
}
if (!match)
continue; continue;
} }