maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Use capture_pdu_session_establishment_accept_msg in handleDownlinkNASTransport

Browse Source 
* 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
Download Patch File Download Diff File Expand all files Collapse all files
openair3/NAS/NR_UE/nr_nas_msg_sim.c
+7 -8
View File
@@ -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);
if (msg_type == FGS_PDU_SESSION_ESTABLISHMENT_ACC) {
uint8_t *ip_p = pdu_buffer + 39;
char ip[20];
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");
LOG_A(NAS, "Received PDU Session Establishment Accept in DL NAS Transport\n");
capture_pdu_session_establishment_accept_msg(pdu_buffer, msg_length);
} else {
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);
break;
case FGS_DOWNLINK_NAS_TRANSPORT:
decodeDownlinkNASTransport(&initialNasMsg, pdu_buffer);
handleDownlinkNASTransport(pdu_buffer, pdu_length);
break;
case REGISTRATION_ACCEPT:
handle_registration_accept(nas, pdu_buffer, pdu_length);