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get_user_nssai_idx(): make NSSAI check configurable

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We need to check arbitrary PDU session configurations in a later commit,
so make this configurable.
This commit is contained in:
Robert Schmidt
2025-11-16 14:42:48 +01:00
parent 542b2d017e
commit 0eddb4d3e3
1 changed files with 5 additions and 4 deletions
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9
openair3/NAS/NR_UE/nr_nas_msg.c
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@@ -1785,14 +1785,14 @@ void request_pdusession(nr_ue_nas_t *nas, int pdusession_id)
itti_send_msg_to_task(TASK_NAS_NRUE, nas->UE_id, message_p);
}
static int get_user_nssai_idx(const nr_nas_msg_snssai_t allowed_nssai[NAS_MAX_NUMBER_SLICES], const nr_ue_nas_t *nas)
static int get_user_nssai_idx(nssai_t ch_nssai, const nr_nas_msg_snssai_t allowed_nssai[NAS_MAX_NUMBER_SLICES])
{
for (int i = 0; i < NAS_MAX_NUMBER_SLICES; i++) {
const nr_nas_msg_snssai_t *nssai = allowed_nssai + i;
/* If it was received in Registration Accept, check the SD
in the stored Allowed N-SSAI, else, consider the SD valid */
bool sd_match = !nssai->sd || (nas->uicc->nssai_sd == *nssai->sd);
if ((nas->uicc->nssai_sst == nssai->sst) && sd_match)
bool sd_match = !nssai->sd || (ch_nssai.sd == *nssai->sd);
if ((ch_nssai.sst == nssai->sst) && sd_match)
return i;
}
return -1;
@@ -1867,7 +1867,8 @@ static void handle_registration_accept(nr_ue_nas_t *nas, const uint8_t *pdu_buff
send_nas_uplink_data_req(nas, &initialNasMsg);
LOG_I(NAS, "Send NAS_UPLINK_DATA_REQ message(RegistrationComplete)\n");
}
if (get_user_nssai_idx(msg.nas_allowed_nssai, nas) < 0) {
nssai_t ch_nssai = {nas->uicc->nssai_sst, nas->uicc->nssai_sd};
if (get_user_nssai_idx(ch_nssai, msg.nas_allowed_nssai) < 0) {
LOG_E(NAS, "NSSAI parameters not match with allowed NSSAI. Couldn't request PDU session.\n");
} else {
request_pdusession(nas, get_softmodem_params()->default_pdu_session_id);