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Commit 305a2681 authored by Laurent Thomas's avatar Laurent Thomas
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bug fix in F1

parent d3f09fda
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Showing with 100 additions and 40 deletions
openair2/LAYER2/nr_pdcp/nr_pdcp_oai_api.c
View file @ 305a2681
......@@ -627,7 +627,9 @@ srb_found:
}
else {
MessageDef *message_p = itti_alloc_new_message (TASK_RRC_GNB, 0, F1AP_DL_RRC_MESSAGE);
F1AP_DL_RRC_MESSAGE (message_p).rrc_container = (uint8_t*)buf;
uint8_t *message_buffer = itti_malloc (TASK_RRC_GNB, TASK_CU_F1, size);
memcpy (message_buffer, buf, size);
F1AP_DL_RRC_MESSAGE (message_p).rrc_container = message_buffer;
F1AP_DL_RRC_MESSAGE (message_p).rrc_container_length = size;
F1AP_DL_RRC_MESSAGE (message_p).gNB_CU_ue_id = 0;
F1AP_DL_RRC_MESSAGE (message_p).gNB_DU_ue_id = 0;
......
openair2/LAYER2/nr_rlc/nr_rlc_oai_api.c
View file @ 305a2681
......@@ -491,9 +491,11 @@ rb_found:
if (NODE_IS_DU(type) && is_srb == 1) {
MessageDef *msg;
msg = itti_alloc_new_message(TASK_RLC_ENB, 0, F1AP_UL_RRC_MESSAGE);
uint8_t *message_buffer = itti_malloc (TASK_RLC_ENB, TASK_DU_F1, size);
memcpy (message_buffer, buf, size);
F1AP_UL_RRC_MESSAGE(msg).rnti = ue->rnti;
F1AP_UL_RRC_MESSAGE(msg).srb_id = rb_id;
F1AP_UL_RRC_MESSAGE(msg).rrc_container = (unsigned char *)buf;
F1AP_UL_RRC_MESSAGE(msg).rrc_container = message_buffer;
F1AP_UL_RRC_MESSAGE(msg).rrc_container_length = size;
itti_send_msg_to_task(TASK_DU_F1, ENB_MODULE_ID_TO_INSTANCE(0 /*ctxt_pP->module_id*/), msg);
return;
......
openair2/RRC/NR/rrc_gNB.c
View file @ 305a2681
......@@ -1361,6 +1361,10 @@ rrc_gNB_process_RRCReconfigurationComplete(
F1AP_UE_CONTEXT_SETUP_REQ (message_p).gNB_CU_ue_id = 0;
F1AP_UE_CONTEXT_SETUP_REQ (message_p).gNB_DU_ue_id = 0;
F1AP_UE_CONTEXT_SETUP_REQ (message_p).rnti = ue_context_pP->ue_context.rnti;
F1AP_UE_CONTEXT_SETUP_REQ (message_p).mcc = RC.nrrrc[0]->configuration.mcc[0];
F1AP_UE_CONTEXT_SETUP_REQ (message_p).mnc = RC.nrrrc[0]->configuration.mnc[0];
F1AP_UE_CONTEXT_SETUP_REQ (message_p).mnc_digit_length = RC.nrrrc[0]->configuration.mnc_digit_length[0];
F1AP_UE_CONTEXT_SETUP_REQ (message_p).nr_cellid = RC.nrrrc[0]->nr_cellid;
itti_send_msg_to_task (TASK_CU_F1, ctxt_pP->module_id, message_p);
LOG_I(RRC, "Send F1AP_UE_CONTEXT_SETUP_REQ with ITTI\n");
}
......
openair3/NAS/NR_UE/nr_nas_msg_sim.c
View file @ 305a2681
......@@ -713,6 +713,31 @@ void generatePduSessionEstablishRequest(as_nas_info_t *initialNasMsg){
}
uint8_t get_msg_type(uint8_t *pdu_buffer, uint32_t length) {
uint8_t msg_type = 0;
uint8_t offset = 0;
nas_msg_header_t nas_msg_header;
if ((pdu_buffer != NULL) && (length > 0)) {
if (((nas_msg_header_t *)(pdu_buffer))->choice.security_protected_nas_msg_header_t.security_header_type > 0) {
offset += SECURITY_PROTECTED_5GS_NAS_MESSAGE_HEADER_LENGTH;
if (offset < length) {
msg_type = ((mm_msg_header_t *)(pdu_buffer + offset))->message_type;
if (msg_type == FGS_DOWNLINK_NAS_TRANSPORT) {
msg_type = ((dl_nas_transport_t *)(pdu_buffer+ offset))->sm_nas_msg_header.message_type;
}
}
} else { // plain 5GS NAS message
msg_type = ((nas_msg_header_t *)(pdu_buffer))->choice.plain_nas_msg_header.message_type;
}
} else {
LOG_I(NAS, "[UE] Received invalid downlink message\n");
}
return msg_type;
}
void *nas_nrue_task(void *args_p)
{
MessageDef *msg_p;
......@@ -784,23 +809,8 @@ void *nas_nrue_task(void *args_p)
NAS_CONN_ESTABLI_CNF (msg_p).errCode, NAS_CONN_ESTABLI_CNF (msg_p).nasMsg.length);
pdu_buffer = NAS_CONN_ESTABLI_CNF (msg_p).nasMsg.data;
if((pdu_buffer + 1) != NULL){
if (*(pdu_buffer + 1) > 0 ) {
if((pdu_buffer + 9) != NULL){
msg_type = *(pdu_buffer + 9);
} else {
LOG_W(NAS, "[UE] Received invalid downlink message\n");
break;
}
} else {
if((pdu_buffer + 2) != NULL){
msg_type = *(pdu_buffer + 2);
} else {
LOG_W(NAS, "[UE] Received invalid downlink message\n");
break;
}
}
}
msg_type = get_msg_type(pdu_buffer, NAS_CONN_ESTABLI_CNF (msg_p).nasMsg.length);
if(msg_type == REGISTRATION_ACCEPT){
LOG_I(NAS, "[UE] Received REGISTRATION ACCEPT message\n");
......@@ -829,17 +839,38 @@ void *nas_nrue_task(void *args_p)
itti_send_msg_to_task(TASK_RRC_NRUE, instance, message_p);
LOG_I(NAS, "Send NAS_UPLINK_DATA_REQ message(PduSessionEstablishRequest)\n");
}
}
else if((pdu_buffer + 16) != NULL){
msg_type = *(pdu_buffer + 16);
if(msg_type == FGS_PDU_SESSION_ESTABLISHMENT_ACC){
sprintf(baseNetAddress, "%d.%d", *(pdu_buffer + 39),*(pdu_buffer + 40));
int third_octet = *(pdu_buffer + 41);
int fourth_octet = *(pdu_buffer + 42);
LOG_I(NAS, "Received PDU Session Establishment Accept\n");
nas_config(1,third_octet,fourth_octet,"ue");
} else if(msg_type == FGS_PDU_SESSION_ESTABLISHMENT_ACC){
uint8_t offset = 0;
uint8_t *payload_container = NULL;
offset += SECURITY_PROTECTED_5GS_NAS_MESSAGE_HEADER_LENGTH;
uint16_t payload_container_length = htons(((dl_nas_transport_t *)(pdu_buffer + offset))->payload_container_length);
if ((payload_container_length >= PAYLOAD_CONTAINER_LENGTH_MIN) && (payload_container_length <= PAYLOAD_CONTAINER_LENGTH_MAX)) {
offset += (PLAIN_5GS_NAS_MESSAGE_HEADER_LENGTH + 3);
}
if (offset < NAS_CONN_ESTABLI_CNF(msg_p).nasMsg.length) {
payload_container = pdu_buffer + offset;
}
offset = 0;
while(offset < payload_container_length) {
if (*(payload_container + offset) == 0x29) { // PDU address IEI
if ((*(payload_container+offset+1) == 0x05) && (*(payload_container +offset+2) == 0x01)) { // IPV4
nas_getparams();
netlink_init_tun("ue", 1);
sprintf(baseNetAddress, "%d.%d", *(payload_container+offset+3), *(payload_container+offset+4));
int third_octet = *(payload_container+offset+5);
int fourth_octet = *(payload_container+offset+6);
LOG_I(NAS, "Received PDU Session Establishment Accept, UE IP: %d.%d.%d.%d\n",
*(payload_container+offset+3), *(payload_container+offset+4),
*(payload_container+offset+5), *(payload_container+offset+6));
nas_config(1,third_octet,fourth_octet,"oaitun_ue");
break;
}
}
offset++;
}
}
}
break;
}
......@@ -866,17 +897,7 @@ void *nas_nrue_task(void *args_p)
as_nas_info_t initialNasMsg={0};
pdu_buffer = NAS_DOWNLINK_DATA_IND(msg_p).nasMsg.data;
if((pdu_buffer + 1) != NULL){
if (*(pdu_buffer + 1) > 0 ) {
msg_type = *(pdu_buffer + 9);
} else {
msg_type = *(pdu_buffer + 2);
}
}
if((pdu_buffer + 2) == NULL){
LOG_W(NAS, "[UE] Received invalid downlink message\n");
return 0;
}
msg_type = get_msg_type(pdu_buffer, NAS_DOWNLINK_DATA_IND(msg_p).nasMsg.length);
switch(msg_type){
case FGS_IDENTITY_REQUEST:
......
openair3/NAS/NR_UE/nr_nas_msg_sim.h
View file @ 305a2681
......@@ -64,6 +64,10 @@
#define INITIAL_REGISTRATION 0b001
#define PLAIN_5GS_NAS_MESSAGE_HEADER_LENGTH 3
#define SECURITY_PROTECTED_5GS_NAS_MESSAGE_HEADER_LENGTH 7
#define PAYLOAD_CONTAINER_LENGTH_MIN 3
#define PAYLOAD_CONTAINER_LENGTH_MAX 65537
typedef enum fgs_protocol_discriminator_e {
/* Protocol discriminator identifier for 5GS Mobility Management */
......@@ -116,6 +120,33 @@ typedef union {
fgs_nas_message_plain_t plain;
} fgs_nas_message_t;
typedef struct {
union {
mm_msg_header_t plain_nas_msg_header;
struct security_protected_nas_msg_header_s {
uint8_t ex_protocol_discriminator;
uint8_t security_header_type;
uint16_t message_authentication_code1;
uint16_t message_authentication_code2;
uint8_t sequence_number;
} security_protected_nas_msg_header_t;
} choice;
} nas_msg_header_t;
typedef struct {
uint8_t ex_protocol_discriminator;
uint8_t pdu_session_id;
uint8_t PTI;
uint8_t message_type;
} fgs_sm_nas_msg_header_t;
typedef struct {
mm_msg_header_t plain_nas_msg_header;
uint8_t payload_container_type;
uint16_t payload_container_length;
fgs_sm_nas_msg_header_t sm_nas_msg_header;
} dl_nas_transport_t;
void generateRegistrationRequest(as_nas_info_t *initialNasMsg, int Mod_id);
void generateSecurityModeComplete(as_nas_info_t *initialNasMsg);
void generateRegistrationComplete(as_nas_info_t *initialNasMsg, SORTransparentContainer *sortransparentcontainer);
......
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