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Use capture_pdu_session_establishment_accept_msg in handleDownlinkNASTransport

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* DL NAS Transport messages can piggy-back 5GSM messages
* the relevant decoding functions can be called in the handler (e.g. capture_pdu_session_establishment_accept_msg)
This commit is contained in:
Guido Casati
2024-10-25 12:43:44 +02:00
parent 9a67c5e5b5
commit c3f1824f0b
1 changed files with 7 additions and 8 deletions
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openair3/NAS/NR_UE/nr_nas_msg_sim.c
+7 -8
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@@ -848,16 +848,15 @@ static void generateRegistrationComplete(nr_ue_nas_t *nas,
} }
} }
void decodeDownlinkNASTransport(as_nas_info_t *initialNasMsg, uint8_t *pdu_buffer) /**
* @brief Handle DL NAS Transport and process piggybacked 5GSM messages
*/
static void handleDownlinkNASTransport(uint8_t *pdu_buffer, uint32_t msg_length)
{ {
uint8_t msg_type = *(pdu_buffer + 16); uint8_t msg_type = *(pdu_buffer + 16);
if (msg_type == FGS_PDU_SESSION_ESTABLISHMENT_ACC) { if (msg_type == FGS_PDU_SESSION_ESTABLISHMENT_ACC) {
uint8_t *ip_p = pdu_buffer + 39; LOG_A(NAS, "Received PDU Session Establishment Accept in DL NAS Transport\n");
char ip[20]; capture_pdu_session_establishment_accept_msg(pdu_buffer, msg_length);
sprintf(ip, "%d.%d.%d.%d", *(ip_p), *(ip_p + 1), *(ip_p + 2), *(ip_p + 3));
LOG_A(NAS, "Received PDU Session Establishment Accept\n");
tun_config(1, ip, NULL, "oaitun_ue");
setup_ue_ipv4_route(1, ip, "oaitun_ue");
} else { } else {
LOG_E(NAS, "Received unexpected message in DLinformationTransfer %d\n", msg_type); LOG_E(NAS, "Received unexpected message in DLinformationTransfer %d\n", msg_type);
} }
@@ -1415,7 +1414,7 @@ void *nas_nrue(void *args_p)
handle_security_mode_command(nas, &initialNasMsg, pdu_buffer, pdu_length); handle_security_mode_command(nas, &initialNasMsg, pdu_buffer, pdu_length);
break; break;
case FGS_DOWNLINK_NAS_TRANSPORT: case FGS_DOWNLINK_NAS_TRANSPORT:
decodeDownlinkNASTransport(&initialNasMsg, pdu_buffer); handleDownlinkNASTransport(pdu_buffer, pdu_length);
break; break;
case REGISTRATION_ACCEPT: case REGISTRATION_ACCEPT:
handle_registration_accept(nas, pdu_buffer, pdu_length); handle_registration_accept(nas, pdu_buffer, pdu_length);