This commit is contained in:
laurent
2022-09-22 16:57:20 +02:00
188 changed files with 4242 additions and 3241 deletions
+10 -6
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@@ -733,16 +733,20 @@ static void generatePduSessionEstablishRequest(int Mod_id, uicc_t * uicc, as_nas
mm_msg->uplink_nas_transport.pdusessionid = 10;
mm_msg->uplink_nas_transport.requesttype = 1;
size += 3;
mm_msg->uplink_nas_transport.snssai.length = 4;
const bool has_nssai_sd = uicc->nssai_sd != 0xffffff; // 0xffffff means "no SD", TS 23.003
const size_t nssai_len = has_nssai_sd ? 4 : 1;
mm_msg->uplink_nas_transport.snssai.length = nssai_len;
//Fixme: it seems there are a lot of memory errors in this: this value was on the stack,
// but pushed in a itti message to another thread
// this kind of error seems in many places in 5G NAS
mm_msg->uplink_nas_transport.snssai.value=calloc(1,4);
mm_msg->uplink_nas_transport.snssai.value = calloc(1, nssai_len);
mm_msg->uplink_nas_transport.snssai.value[0] = uicc->nssai_sst;
mm_msg->uplink_nas_transport.snssai.value[1] = (uicc->nssai_sd>>16)&0xFF;
mm_msg->uplink_nas_transport.snssai.value[2] = (uicc->nssai_sd>>8)&0xFF;
mm_msg->uplink_nas_transport.snssai.value[3] = (uicc->nssai_sd)&0xFF;
size += (1+1+4);
if (has_nssai_sd) {
mm_msg->uplink_nas_transport.snssai.value[1] = (uicc->nssai_sd >> 16) & 0xFF;
mm_msg->uplink_nas_transport.snssai.value[2] = (uicc->nssai_sd >> 8) & 0xFF;
mm_msg->uplink_nas_transport.snssai.value[3] = (uicc->nssai_sd) & 0xFF;
}
size += 1 + 1 + nssai_len;
int dnnSize=strlen(uicc->dnnStr);
mm_msg->uplink_nas_transport.dnn.value=calloc(1,dnnSize+1);
mm_msg->uplink_nas_transport.dnn.length = dnnSize + 1;
+5 -2
View File
@@ -44,7 +44,7 @@ extern uint16_t NB_UE_INST;
{"sqn", "USIM sqn\n", 0, strptr:&uicc->sqnStr, defstrval:"000000", TYPE_STRING, 0 }, \
{"dnn", "UE dnn (apn)\n", 0, strptr:&uicc->dnnStr, defstrval:"oai", TYPE_STRING, 0 }, \
{"nssai_sst", "UE nssai\n", 0, iptr:&uicc->nssai_sst, defintval:1, TYPE_INT, 0 }, \
{"nssai_sd", "UE nssai\n", 0, iptr:&uicc->nssai_sd, defintval:1, TYPE_INT, 0 }, \
{"nssai_sd", "UE nssai\n", 0, iptr:&uicc->nssai_sd, defintval:0xffffff, TYPE_INT, 0 }, \
};
static uicc_t** uiccArray=NULL;
@@ -73,7 +73,10 @@ uicc_t *init_uicc(char *sectionName) {
// key, OPc, sqn, amf don't need to be read from the true USIM
int ret = config_get( uicc_params,sizeof(uicc_params)/sizeof(paramdef_t),sectionName);
AssertFatal(ret >= 0, "configuration couldn't be performed for uicc name: %s", sectionName);
LOG_I(SIM, "UICC simulation: IMSI=%s, Ki=%s, OPc=%s\n", uicc->imsiStr, uicc->keyStr, uicc->opcStr);
LOG_I(SIM,
"UICC simulation: IMSI=%s, Ki=%s, OPc=%s, DNN=%s, SST=0x%02x, SD=0x%06x\n",
uicc->imsiStr, uicc->keyStr, uicc->opcStr,
uicc->dnnStr, uicc->nssai_sst, uicc->nssai_sd);
to_hex(uicc->keyStr,uicc->key, sizeof(uicc->key) );
to_hex(uicc->opcStr,uicc->opc, sizeof(uicc->opc) );
to_hex(uicc->sqnStr,uicc->sqn, sizeof(uicc->sqn) );
+133 -124
View File
@@ -163,11 +163,46 @@ static teid_t gtpv1uNewTeid(void) {
}
instance_t legacyInstanceMapping=0;
#define compatInst(a) ((a)==0 || (a)==INSTANCE_DEFAULT?legacyInstanceMapping:a)
#define compatInst(a) ((a)==0 || (a)==INSTANCE_DEFAULT ? legacyInstanceMapping:a)
#define GTPV1U_HEADER_SIZE (8)
#define getInstRetVoid(insT) \
auto instChk=globGtp.instances.find(compatInst(insT)); \
if (instChk == globGtp.instances.end()) { \
LOG_E(GTPU,"try to get a gtp-u not existing output\n"); \
pthread_mutex_unlock(&globGtp.gtp_lock); \
return; \
} \
gtpEndPoint * inst=&instChk->second;
#define HDR_MAX 256 // 256 is supposed to be larger than any gtp header
#define getInstRetInt(insT) \
auto instChk=globGtp.instances.find(compatInst(insT)); \
if (instChk == globGtp.instances.end()) { \
LOG_E(GTPU,"try to get a gtp-u not existing output\n"); \
pthread_mutex_unlock(&globGtp.gtp_lock); \
return GTPNOK; \
} \
gtpEndPoint * inst=&instChk->second;
#define getRntiRetVoid(insT, RnTi) \
auto ptrRnti=insT->ue2te_mapping.find(RnTi); \
\
if ( ptrRnti==insT->ue2te_mapping.end() ) { \
LOG_E(GTPU, "[%ld] gtpv1uSend failed: while getting ue rnti %x in hashtable ue_mapping\n", instance, rnti); \
pthread_mutex_unlock(&globGtp.gtp_lock); \
return; \
}
#define getRntiRetInt(insT, RnTi) \
auto ptrRnti=insT->ue2te_mapping.find(RnTi); \
\
if ( ptrRnti==insT->ue2te_mapping.end() ) { \
LOG_E(GTPU, "[%ld] gtpv1uSend failed: while getting ue rnti %x in hashtable ue_mapping\n", instance, rnti); \
pthread_mutex_unlock(&globGtp.gtp_lock); \
return GTPNOK; \
}
#define HDR_MAX 256 // 256 is supposed to be larger than any gtp header
static int gtpv1uCreateAndSendMsg(int h,
uint32_t peerIp,
uint16_t peerPort,
@@ -196,13 +231,11 @@ static int gtpv1uCreateAndSendMsg(int h,
msgHdr->PT=1;
msgHdr->version=1;
msgHdr->msgType=msgType;
msgHdr->msgLength = htons(msgLen + extensionHeader_length);
msgHdr->teid=htonl(teid);
curPtr+=sizeof(Gtpv1uMsgHeaderT);
if (seqNumFlag || (extHdrType != NO_MORE_EXT_HDRS) || npduNumFlag) {
msgHdr->msgLength += htons(4);
*(uint16_t *)curPtr = seqNumFlag ? seqNum : 0x0000;
curPtr+=sizeof(uint16_t);
*(uint8_t *)curPtr = npduNumFlag ? npduNum : 0x00;
@@ -229,9 +262,10 @@ static int gtpv1uCreateAndSendMsg(int h,
curPtr+=msgLen;
}
AssertFatal(curPtr-(buffer+msgLen) < HDR_MAX, "");
msgHdr->msgLength = htons(curPtr-(buffer+sizeof(Gtpv1uMsgHeaderT)));
AssertFatal(curPtr-(buffer+msgLen) < HDR_MAX, "fixed max size of all headers too short");
// Fix me: add IPv6 support, using flag ipVersion
static struct sockaddr_in to= {0};
struct sockaddr_in to= {0};
to.sin_family = AF_INET;
to.sin_port = htons(peerPort);
to.sin_addr.s_addr = peerIp ;
@@ -253,14 +287,8 @@ static void gtpv1uSend(instance_t instance, gtpv1u_enb_tunnel_data_req_t *req, b
rnti_t rnti=req->rnti;
int rab_id=req->rab_id;
pthread_mutex_lock(&globGtp.gtp_lock);
auto inst=&globGtp.instances[compatInst(instance)];
auto ptrRnti=inst->ue2te_mapping.find(rnti);
if ( ptrRnti==inst->ue2te_mapping.end() ) {
LOG_E(GTPU, "[%ld] gtpv1uSend failed: while getting ue rnti %x in hashtable ue_mapping\n", instance, rnti);
pthread_mutex_unlock(&globGtp.gtp_lock);
return;
}
getInstRetVoid(compatInst(instance));
getRntiRetVoid(inst, rnti);
map<int, gtpv1u_bearer_t>::iterator ptr2=ptrRnti->second.bearers.find(rab_id);
@@ -292,14 +320,8 @@ static void gtpv1uSend2(instance_t instance, gtpv1u_gnb_tunnel_data_req_t *req,
rnti_t rnti=req->rnti;
int rab_id=req->pdusession_id;
pthread_mutex_lock(&globGtp.gtp_lock);
auto inst=&globGtp.instances[compatInst(instance)];
auto ptrRnti=inst->ue2te_mapping.find(rnti);
if ( ptrRnti==inst->ue2te_mapping.end() ) {
LOG_E(GTPU, "[%ld] GTP-U gtpv1uSend failed: while getting ue rnti %x in hashtable ue_mapping\n", instance, rnti);
pthread_mutex_unlock(&globGtp.gtp_lock);
return;
}
getInstRetVoid(compatInst(instance));
getRntiRetVoid(inst, rnti);
map<int, gtpv1u_bearer_t>::iterator ptr2=ptrRnti->second.bearers.find(rab_id);
@@ -385,14 +407,8 @@ static void gtpv1uSendDlDeliveryStatus(instance_t instance, gtpv1u_DU_buffer_rep
rnti_t rnti=req->rnti;
int rab_id=req->pdusession_id;
pthread_mutex_lock(&globGtp.gtp_lock);
auto inst=&globGtp.instances[compatInst(instance)];
auto ptrRnti=inst->ue2te_mapping.find(rnti);
if ( ptrRnti==inst->ue2te_mapping.end() ) {
LOG_E(GTPU, "[%ld] GTP-U gtpv1uSend failed: while getting ue rnti %x in hashtable ue_mapping\n", instance, rnti);
pthread_mutex_unlock(&globGtp.gtp_lock);
return;
}
getInstRetVoid(compatInst(instance));
getRntiRetVoid(inst, rnti);
map<int, gtpv1u_bearer_t>::iterator ptr2=ptrRnti->second.bearers.find(rab_id);
@@ -419,14 +435,8 @@ static void gtpv1uEndTunnel(instance_t instance, gtpv1u_enb_tunnel_data_req_t *r
rnti_t rnti=req->rnti;
int rab_id=req->rab_id;
pthread_mutex_lock(&globGtp.gtp_lock);
auto inst=&globGtp.instances[compatInst(instance)];
auto ptrRnti=inst->ue2te_mapping.find(rnti);
if ( ptrRnti==inst->ue2te_mapping.end() ) {
LOG_E(GTPU, "[%ld] gtpv1uSend failed: while getting ue rnti %x in hashtable ue_mapping\n", instance, rnti);
pthread_mutex_unlock(&globGtp.gtp_lock);
return;
}
getInstRetVoid(compatInst(instance));
getRntiRetVoid(inst, rnti);
map<int, gtpv1u_bearer_t>::iterator ptr2=ptrRnti->second.bearers.find(rab_id);
@@ -571,14 +581,8 @@ instance_t gtpv1Init(openAddr_t context) {
void GtpuUpdateTunnelOutgoingTeid(instance_t instance, rnti_t rnti, ebi_t bearer_id, teid_t newOutgoingTeid) {
pthread_mutex_lock(&globGtp.gtp_lock);
auto inst=&globGtp.instances[compatInst(instance)];
auto ptrRnti=inst->ue2te_mapping.find(rnti);
if ( ptrRnti == inst->ue2te_mapping.end() ) {
LOG_E(GTPU,"[%ld] Update tunnel for a not existing rnti %x\n", instance, rnti);
pthread_mutex_unlock(&globGtp.gtp_lock);
return;
}
getInstRetVoid(compatInst(instance));
getRntiRetVoid(inst, rnti);
map<int, gtpv1u_bearer_t>::iterator ptr2=ptrRnti->second.bearers.find(bearer_id);
@@ -605,8 +609,7 @@ teid_t newGtpuCreateTunnel(instance_t instance,
gtpCallback callBack,
gtpCallbackSDAP callBackSDAP) {
pthread_mutex_lock(&globGtp.gtp_lock);
instance=compatInst(instance);
auto inst=&globGtp.instances[instance];
getInstRetInt(compatInst(instance));
auto it=inst->ue2te_mapping.find(rnti);
if ( it != inst->ue2te_mapping.end() && it->second.bearers.find(outgoing_bearer_id) != it->second.bearers.end()) {
@@ -682,8 +685,14 @@ int gtpv1u_create_s1u_tunnel(instance_t instance,
create_tunnel_req->rnti,
create_tunnel_req->num_tunnels,
create_tunnel_req->sgw_S1u_teid[0]);
tcp_udp_port_t dstport=globGtp.instances[compatInst(instance)].get_dstport();
pthread_mutex_lock(&globGtp.gtp_lock);
getInstRetInt(compatInst(instance));
tcp_udp_port_t dstport=inst->get_dstport();
uint8_t addr[inst->foundAddrLen];
memcpy(addr, inst->foundAddr, inst->foundAddrLen);
pthread_mutex_unlock(&globGtp.gtp_lock);
for (int i = 0; i < create_tunnel_req->num_tunnels; i++) {
AssertFatal(create_tunnel_req->eps_bearer_id[i] > 4,
"From legacy code not clear, seems impossible (bearer=%d)\n",
@@ -704,9 +713,8 @@ int gtpv1u_create_s1u_tunnel(instance_t instance,
create_tunnel_resp->num_tunnels=create_tunnel_req->num_tunnels;
create_tunnel_resp->enb_S1u_teid[i]=teid;
create_tunnel_resp->eps_bearer_id[i] = create_tunnel_req->eps_bearer_id[i];
memcpy(create_tunnel_resp->enb_addr.buffer,globGtp.instances[compatInst(instance)].foundAddr,
globGtp.instances[compatInst(instance)].foundAddrLen);
create_tunnel_resp->enb_addr.length= globGtp.instances[compatInst(instance)].foundAddrLen;
memcpy(create_tunnel_resp->enb_addr.buffer,addr,sizeof(addr));
create_tunnel_resp->enb_addr.length= sizeof(addr);
}
return !GTPNOK;
@@ -725,10 +733,11 @@ int gtpv1u_update_s1u_tunnel(
create_tunnel_req->sgw_S1u_teid[0],
create_tunnel_req->eps_bearer_id[0]);
pthread_mutex_lock(&globGtp.gtp_lock);
auto inst=&globGtp.instances[compatInst(instance)];
getInstRetInt(compatInst(instance));
if ( inst->ue2te_mapping.find(create_tunnel_req->rnti) == inst->ue2te_mapping.end() ) {
LOG_E(GTPU,"[%ld] Update not already existing tunnel (new rnti %x, old rnti %x)\n", instance, create_tunnel_req->rnti, prior_rnti);
LOG_E(GTPU,"[%ld] Update not already existing tunnel (new rnti %x, old rnti %x)\n",
instance, create_tunnel_req->rnti, prior_rnti);
}
auto it=inst->ue2te_mapping.find(prior_rnti);
@@ -755,7 +764,13 @@ int gtpv1u_create_ngu_tunnel( const instance_t instance,
create_tunnel_req->rnti,
create_tunnel_req->num_tunnels,
create_tunnel_req->outgoing_teid[0]);
tcp_udp_port_t dstport = globGtp.instances[compatInst(instance)].get_dstport();
pthread_mutex_lock(&globGtp.gtp_lock);
getInstRetInt(compatInst(instance));
tcp_udp_port_t dstport = inst->get_dstport();
uint8_t addr[inst->foundAddrLen];
memcpy(addr, inst->foundAddr, inst->foundAddrLen);
pthread_mutex_unlock(&globGtp.gtp_lock);
for (int i = 0; i < create_tunnel_req->num_tunnels; i++) {
teid_t teid = newGtpuCreateTunnel(instance,
create_tunnel_req->rnti,
@@ -771,9 +786,8 @@ int gtpv1u_create_ngu_tunnel( const instance_t instance,
create_tunnel_resp->rnti=create_tunnel_req->rnti;
create_tunnel_resp->num_tunnels=create_tunnel_req->num_tunnels;
create_tunnel_resp->gnb_NGu_teid[i]=teid;
memcpy(create_tunnel_resp->gnb_addr.buffer,globGtp.instances[compatInst(instance)].foundAddr,
globGtp.instances[compatInst(instance)].foundAddrLen);
create_tunnel_resp->gnb_addr.length= globGtp.instances[compatInst(instance)].foundAddrLen;
memcpy(create_tunnel_resp->gnb_addr.buffer,addr,sizeof(addr));
create_tunnel_resp->gnb_addr.length= sizeof(addr);
}
return !GTPNOK;
@@ -799,25 +813,19 @@ int newGtpuDeleteAllTunnels(instance_t instance, rnti_t rnti) {
LOG_D(GTPU, "[%ld] Start delete tunnels for RNTI %x\n",
instance, rnti);
pthread_mutex_lock(&globGtp.gtp_lock);
auto inst=&globGtp.instances[compatInst(instance)];
auto it=inst->ue2te_mapping.find(rnti);
if ( it == inst->ue2te_mapping.end() ) {
LOG_W(GTPU,"[%ld] Delete GTP tunnels for rnti: %x, but no tunnel exits\n", instance, rnti);
pthread_mutex_unlock(&globGtp.gtp_lock);
return -1;
}
getInstRetInt(compatInst(instance));
getRntiRetInt(inst, rnti);
int nb=0;
for (auto j=it->second.bearers.begin();
j!=it->second.bearers.end();
for (auto j=ptrRnti->second.bearers.begin();
j!=ptrRnti->second.bearers.end();
++j) {
inst->te2ue_mapping.erase(j->second.teid_incoming);
nb++;
}
inst->ue2te_mapping.erase(it);
inst->ue2te_mapping.erase(ptrRnti);
pthread_mutex_unlock(&globGtp.gtp_lock);
LOG_I(GTPU, "[%ld] Deleted all tunnels for RNTI %x (%d tunnels deleted)\n", instance, rnti, nb);
return !GTPNOK;
@@ -834,21 +842,14 @@ int newGtpuDeleteTunnels(instance_t instance, rnti_t rnti, int nbTunnels, pduses
LOG_D(GTPU, "[%ld] Start delete tunnels for RNTI %x\n",
instance, rnti);
pthread_mutex_lock(&globGtp.gtp_lock);
auto inst=&globGtp.instances[compatInst(instance)];
auto ptrRNTI=inst->ue2te_mapping.find(rnti);
if ( ptrRNTI == inst->ue2te_mapping.end() ) {
LOG_W(GTPU,"[%ld] Delete GTP tunnels for rnti: %x, but no tunnel exits\n", instance, rnti);
pthread_mutex_unlock(&globGtp.gtp_lock);
return -1;
}
getInstRetInt(compatInst(instance));
getRntiRetInt(inst, rnti);
int nb=0;
for (int i=0; i<nbTunnels; i++) {
auto ptr2=ptrRNTI->second.bearers.find(pdusession_id[i]);
auto ptr2=ptrRnti->second.bearers.find(pdusession_id[i]);
if ( ptr2 == ptrRNTI->second.bearers.end() ) {
if ( ptr2 == ptrRnti->second.bearers.end() ) {
LOG_E(GTPU,"[%ld] GTP-U instance: delete of not existing tunnel RNTI:RAB: %x/%x\n", instance, rnti,pdusession_id[i]);
} else {
inst->te2ue_mapping.erase(ptr2->second.teid_incoming);
@@ -856,9 +857,9 @@ int newGtpuDeleteTunnels(instance_t instance, rnti_t rnti, int nbTunnels, pduses
}
}
if (ptrRNTI->second.bearers.size() == 0 )
if (ptrRnti->second.bearers.size() == 0 )
// no tunnels on this rnti, erase the ue entry
inst->ue2te_mapping.erase(ptrRNTI);
inst->ue2te_mapping.erase(ptrRnti);
pthread_mutex_unlock(&globGtp.gtp_lock);
LOG_I(GTPU, "[%ld] Deleted all tunnels for RNTI %x (%d tunnels deleted)\n", instance, rnti, nb);
@@ -936,7 +937,8 @@ static int Gtpv1uHandleEndMarker(int h,
pthread_mutex_lock(&globGtp.gtp_lock);
// the socket Linux file handler is the instance id
auto inst=&globGtp.instances[h];
getInstRetInt(h);
auto tunnel=inst->te2ue_mapping.find(ntohl(msgHdr->teid));
if ( tunnel == inst->te2ue_mapping.end() ) {
@@ -996,7 +998,8 @@ static int Gtpv1uHandleGpdu(int h,
pthread_mutex_lock(&globGtp.gtp_lock);
// the socket Linux file handler is the instance id
auto inst=&globGtp.instances[h];
getInstRetInt(h);
auto tunnel=inst->te2ue_mapping.find(ntohl(msgHdr->teid));
if ( tunnel == inst->te2ue_mapping.end() ) {
@@ -1007,7 +1010,7 @@ static int Gtpv1uHandleGpdu(int h,
/* see TS 29.281 5.1 */
//Minimum length of GTP-U header if non of the optional fields are present
int offset = sizeof(Gtpv1uMsgHeaderT);
unsigned int offset = sizeof(Gtpv1uMsgHeaderT);
uint8_t qfi = -1;
bool rqi = false;
@@ -1025,12 +1028,20 @@ static int Gtpv1uHandleGpdu(int h,
extension_header_length = msgBuf[offset];
switch (next_extension_header_type) {
case PDU_SESSION_CONTAINER: {
if (offset + sizeof(PDUSessionContainerT) > msgBufLen ) {
LOG_E(GTPU, "gtp-u received header is malformed, ignore gtp packet\n");
return GTPNOK;
}
PDUSessionContainerT *pdusession_cntr = (PDUSessionContainerT *)(msgBuf + offset + 1);
qfi = pdusession_cntr->QFI;
rqi = pdusession_cntr->Reflective_QoS_activation;
break;
}
case NR_RAN_CONTAINER: {
if (offset + 1 > msgBufLen ) {
LOG_E(GTPU, "gtp-u received header is malformed, ignore gtp packet\n");
return GTPNOK;
}
uint8_t PDU_type = (msgBuf[offset+1]>>4) & 0x0f;
if (PDU_type == 0){ //DL USER Data Format
int additional_offset = 6; //Additional offset capturing the first non-mandatory octet (TS 38.425, Figure 5.5.2.1-1)
@@ -1057,10 +1068,14 @@ static int Gtpv1uHandleGpdu(int h,
}
default:
LOG_W(GTPU, "unhandled extension 0x%2.2x, skipping\n", next_extension_header_type);
break;
break;
}
offset += extension_header_length * EXT_HDR_LNTH_OCTET_UNITS;
if (offset > msgBufLen ) {
LOG_E(GTPU, "gtp-u received header is malformed, ignore gtp packet\n");
return GTPNOK;
}
next_extension_header_type = msgBuf[offset - 1];
}
}
@@ -1081,40 +1096,21 @@ static int Gtpv1uHandleGpdu(int h,
const rb_id_t rb_id=tunnel->second.incoming_rb_id;
const mui_t mui=RLC_MUI_UNDEFINED;
const confirm_t confirm=RLC_SDU_CONFIRM_NO;
const sdu_size_t sdu_buffer_size=msgBufLen-offset;
const sdu_size_t sdu_buffer_size = msgBufLen - offset;
unsigned char *const sdu_buffer=msgBuf+offset;
const pdcp_transmission_mode_t mode=PDCP_TRANSMISSION_MODE_DATA;
const uint32_t sourceL2Id=0;
const uint32_t destinationL2Id=0;
pthread_mutex_unlock(&globGtp.gtp_lock);
if (qfi != -1 && tunnel->second.callBackSDAP) {
if ( !tunnel->second.callBackSDAP(&ctxt,
srb_flag,
rb_id,
mui,
confirm,
sdu_buffer_size,
sdu_buffer,
mode,
&sourceL2Id,
&destinationL2Id,
qfi,
rqi,
tunnel->second.pdusession_id) )
LOG_E(GTPU,"[%d] down layer refused incoming packet\n", h);
} else {
if ( !tunnel->second.callBack(&ctxt,
srb_flag,
rb_id,
mui,
confirm,
sdu_buffer_size,
sdu_buffer,
mode,
&sourceL2Id,
&destinationL2Id) )
LOG_E(GTPU,"[%d] down layer refused incoming packet\n", h);
if (sdu_buffer_size > 0) {
if (qfi != -1 && tunnel->second.callBackSDAP) {
if (!tunnel->second.callBackSDAP(&ctxt, srb_flag, rb_id, mui, confirm, sdu_buffer_size, sdu_buffer, mode, &sourceL2Id, &destinationL2Id, qfi, rqi, tunnel->second.pdusession_id))
LOG_E(GTPU, "[%d] down layer refused incoming packet\n", h);
} else {
if (!tunnel->second.callBack(&ctxt, srb_flag, rb_id, mui, confirm, sdu_buffer_size, sdu_buffer, mode, &sourceL2Id, &destinationL2Id))
LOG_E(GTPU, "[%d] down layer refused incoming packet\n", h);
}
}
if(NR_PDCP_PDU_SN > 0 && NR_PDCP_PDU_SN %5 ==0){
@@ -1139,7 +1135,10 @@ static int Gtpv1uHandleGpdu(int h,
extensionHeader->buffer[offset] = (NR_PDCP_PDU_SN >> 16) & 0xff;
extensionHeader->buffer[offset+1] = (NR_PDCP_PDU_SN >> 8) & 0xff;
extensionHeader->buffer[offset+2] = NR_PDCP_PDU_SN & 0xff;
LOG_D(GTPU, "Octets reporting NR_PDCP_PDU_SN, extensionHeader->buffer[offset]: %u, extensionHeader->buffer[offset+1]:%u, extensionHeader->buffer[offset+2]:%u \n", extensionHeader->buffer[offset], extensionHeader->buffer[offset+1],extensionHeader->buffer[offset+2]);
LOG_D(GTPU, "Octets reporting NR_PDCP_PDU_SN, extensionHeader-> %u:%u:%u \n",
extensionHeader->buffer[offset],
extensionHeader->buffer[offset+1],
extensionHeader->buffer[offset+2]);
extensionHeader->buffer[offset+3] = 0x00; //Padding octet
extensionHeader->buffer[offset+4] = 0x00; //No more extension headers
/*Total size of DDD_status PDU = size of mandatory part +
@@ -1148,7 +1147,10 @@ static int Gtpv1uHandleGpdu(int h,
* according to TS 38.425: Fig. 5.5.2.2-1 and section 5.5.3.24*/
extensionHeader->length = 1+sizeof(DlDataDeliveryStatus_flagsT)+3+1+1;
gtpv1uCreateAndSendMsg(
h, peerIp, peerPort, GTP_GPDU, inst->te2ue_mapping[ntohl(msgHdr->teid)].outgoing_teid, NULL, 0, false, false, 0, 0, NR_RAN_CONTAINER, extensionHeader->buffer, extensionHeader->length);
h, peerIp, peerPort, GTP_GPDU,
inst->te2ue_mapping[ntohl(msgHdr->teid)].outgoing_teid,
NULL, 0, false, false, 0, 0, NR_RAN_CONTAINER,
extensionHeader->buffer, extensionHeader->length);
}
LOG_D(GTPU,"[%d] Received a %d bytes packet for: teid:%x\n", h,
@@ -1158,7 +1160,7 @@ static int Gtpv1uHandleGpdu(int h,
}
void gtpv1uReceiver(int h) {
uint8_t udpData[65536];
uint8_t udpData[65536];
int udpDataLen;
socklen_t from_len;
struct sockaddr_in addr;
@@ -1172,10 +1174,17 @@ void gtpv1uReceiver(int h) {
LOG_W(GTPU, "[%d] Recvfrom returned 0\n", h);
return;
} else {
uint8_t msgType = *((uint8_t *)(udpData + 1));
LOG_D(GTPU, "[%d] Received GTP data, msg type: %x\n", h, msgType);
switch(msgType) {
if ( udpDataLen < (int)sizeof(Gtpv1uMsgHeaderT) ) {
LOG_W(GTPU, "[%d] received malformed gtp packet \n", h);
return;
}
Gtpv1uMsgHeaderT* msg=(Gtpv1uMsgHeaderT*) udpData;
if ( (int)(ntohs(msg->msgLength) + sizeof(Gtpv1uMsgHeaderT)) != udpDataLen ) {
LOG_W(GTPU, "[%d] received malformed gtp packet length\n", h);
return;
}
LOG_D(GTPU, "[%d] Received GTP data, msg type: %x\n", h, msg->msgType);
switch(msg->msgType) {
case GTP_ECHO_RSP:
break;
@@ -1200,7 +1209,7 @@ void gtpv1uReceiver(int h) {
break;
default:
LOG_E(GTPU, "[%d] Received a GTP packet of unknown type: %d\n", h, msgType);
LOG_E(GTPU, "[%d] Received a GTP packet of unknown type: %d\n", h, msg->msgType);
break;
}
}