static void *gtpv1u_thread(void *args)
{
itti_mark_task_ready(TASK_GTPV1_U);
MSC_START_USE();
while(1) {
/* Trying to fetch a message from the message queue.
* If the queue is empty, this function will block till a
* message is sent to the task.
*/
MessageDef *received_message_p = NULL;
itti_receive_msg(TASK_GTPV1_U, &received_message_p);
DevAssert(received_message_p != NULL);
switch (ITTI_MSG_ID(received_message_p)) {
case TERMINATE_MESSAGE: {
itti_exit_task();
}
break;
// DATA COMING FROM UDP
case UDP_DATA_IND: {
udp_data_ind_t *udp_data_ind_p;
udp_data_ind_p = &received_message_p->ittiMsg.udp_data_ind;
nwGtpv1uProcessUdpReq(gtpv1u_sgw_data.gtpv1u_stack,
udp_data_ind_p->buffer,
udp_data_ind_p->buffer_length,
udp_data_ind_p->peer_port,
udp_data_ind_p->peer_address);
//itti_free(ITTI_MSG_ORIGIN_ID(received_message_p), udp_data_ind_p->buffer);
}
break;
case TIMER_HAS_EXPIRED:
nwGtpv1uProcessTimeout(&received_message_p->ittiMsg.timer_has_expired.arg);
break;
default: {
GTPU_ERROR("Unkwnon message ID %d:%s\n",
ITTI_MSG_ID(received_message_p),
ITTI_MSG_NAME(received_message_p));
}
break;
}
itti_free(ITTI_MSG_ORIGIN_ID(received_message_p), received_message_p);
received_message_p = NULL;
}
return NULL;
}
//-----------------------------------------------------------------------------
void *gtpv1u_eNB_task(void *args)
{
int rc = 0;
instance_t instance;
//const char *msg_name_p;
rc = gtpv1u_eNB_init();
AssertFatal(rc == 0, "gtpv1u_eNB_init Failed");
itti_mark_task_ready(TASK_GTPV1_U);
MSC_START_USE();
while(1) {
/* Trying to fetch a message from the message queue.
* If the queue is empty, this function will block till a
* message is sent to the task.
*/
MessageDef *received_message_p = NULL;
itti_receive_msg(TASK_GTPV1_U, &received_message_p);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GTPV1U_ENB_TASK, VCD_FUNCTION_IN);
DevAssert(received_message_p != NULL);
instance = ITTI_MSG_INSTANCE(received_message_p);
//msg_name_p = ITTI_MSG_NAME(received_message_p);
switch (ITTI_MSG_ID(received_message_p)) {
case GTPV1U_ENB_DELETE_TUNNEL_REQ: {
gtpv1u_delete_s1u_tunnel(instance, &received_message_p->ittiMsg.Gtpv1uDeleteTunnelReq);
}
break;
// DATA COMING FROM UDP
case UDP_DATA_IND: {
udp_data_ind_t *udp_data_ind_p;
udp_data_ind_p = &received_message_p->ittiMsg.udp_data_ind;
nwGtpv1uProcessUdpReq(gtpv1u_data_g.gtpv1u_stack,
udp_data_ind_p->buffer,
udp_data_ind_p->buffer_length,
udp_data_ind_p->peer_port,
udp_data_ind_p->peer_address);
//itti_free(ITTI_MSG_ORIGIN_ID(received_message_p), udp_data_ind_p->buffer);
}
break;
// DATA TO BE SENT TO UDP
case GTPV1U_ENB_TUNNEL_DATA_REQ: {
gtpv1u_enb_tunnel_data_req_t *data_req_p = NULL;
NwGtpv1uUlpApiT stack_req;
NwGtpv1uRcT rc = NW_GTPV1U_FAILURE;
hashtable_rc_t hash_rc = HASH_TABLE_KEY_NOT_EXISTS;
gtpv1u_ue_data_t *gtpv1u_ue_data_p = NULL;
teid_t enb_s1u_teid = 0;
teid_t sgw_s1u_teid = 0;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GTPV1U_PROCESS_TUNNEL_DATA_REQ, VCD_FUNCTION_IN);
data_req_p = >PV1U_ENB_TUNNEL_DATA_REQ(received_message_p);
//ipv4_send_data(ipv4_data_p->sd, data_ind_p->buffer, data_ind_p->length);
#if defined(GTP_DUMP_SOCKET) && GTP_DUMP_SOCKET > 0
gtpv1u_eNB_write_dump_socket(&data_req_p->buffer[data_req_p->offset],data_req_p->length);
#endif
memset(&stack_req, 0, sizeof(NwGtpv1uUlpApiT));
hash_rc = hashtable_get(gtpv1u_data_g.ue_mapping, (uint64_t)data_req_p->rnti, (void**)>pv1u_ue_data_p);
if (hash_rc == HASH_TABLE_KEY_NOT_EXISTS) {
LOG_E(GTPU, "nwGtpv1uProcessUlpReq failed: while getting ue rnti %x in hashtable ue_mapping\n", data_req_p->rnti);
} else {
if ((data_req_p->rab_id >= GTPV1U_BEARER_OFFSET) && (data_req_p->rab_id <= max_val_DRB_Identity)) {
enb_s1u_teid = gtpv1u_ue_data_p->bearers[data_req_p->rab_id - GTPV1U_BEARER_OFFSET].teid_eNB;
sgw_s1u_teid = gtpv1u_ue_data_p->bearers[data_req_p->rab_id - GTPV1U_BEARER_OFFSET].teid_sgw;
stack_req.apiType = NW_GTPV1U_ULP_API_SEND_TPDU;
stack_req.apiInfo.sendtoInfo.teid = sgw_s1u_teid;
stack_req.apiInfo.sendtoInfo.ipAddr = gtpv1u_ue_data_p->bearers[data_req_p->rab_id - GTPV1U_BEARER_OFFSET].sgw_ip_addr;
rc = nwGtpv1uGpduMsgNew(
gtpv1u_data_g.gtpv1u_stack,
sgw_s1u_teid,
NW_FALSE,
gtpv1u_data_g.seq_num++,
data_req_p->buffer,
data_req_p->length,
data_req_p->offset,
&(stack_req.apiInfo.sendtoInfo.hMsg));
if (rc != NW_GTPV1U_OK) {
LOG_E(GTPU, "nwGtpv1uGpduMsgNew failed: 0x%x\n", rc);
MSC_LOG_EVENT(MSC_GTPU_ENB,"0 Failed send G-PDU ltid %u rtid %u size %u",
enb_s1u_teid,sgw_s1u_teid,data_req_p->length);
(void)enb_s1u_teid; /* avoid gcc warning "set but not used" */
} else {
rc = nwGtpv1uProcessUlpReq(gtpv1u_data_g.gtpv1u_stack, &stack_req);
if (rc != NW_GTPV1U_OK) {
LOG_E(GTPU, "nwGtpv1uProcessUlpReq failed: 0x%x\n", rc);
MSC_LOG_EVENT(MSC_GTPU_ENB,"0 Failed send G-PDU ltid %u rtid %u size %u",
enb_s1u_teid,sgw_s1u_teid,data_req_p->length);
} else {
MSC_LOG_TX_MESSAGE(
MSC_GTPU_ENB,
MSC_GTPU_SGW,
NULL,
0,
MSC_AS_TIME_FMT" G-PDU ltid %u rtid %u size %u",
0,0,
enb_s1u_teid,
sgw_s1u_teid,
data_req_p->length);
}
rc = nwGtpv1uMsgDelete(gtpv1u_data_g.gtpv1u_stack,
stack_req.apiInfo.sendtoInfo.hMsg);
if (rc != NW_GTPV1U_OK) {
LOG_E(GTPU, "nwGtpv1uMsgDelete failed: 0x%x\n", rc);
}
}
}
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GTPV1U_PROCESS_TUNNEL_DATA_REQ, VCD_FUNCTION_OUT);
/* Buffer still needed, do not free it */
//itti_free(ITTI_MSG_ORIGIN_ID(received_message_p), data_req_p->buffer);
}
break;
case TERMINATE_MESSAGE: {
if (gtpv1u_data_g.ue_mapping != NULL) {
hashtable_destroy (gtpv1u_data_g.ue_mapping);
}
if (gtpv1u_data_g.teid_mapping != NULL) {
hashtable_destroy (gtpv1u_data_g.teid_mapping);
}
itti_exit_task();
}
break;
case TIMER_HAS_EXPIRED:
nwGtpv1uProcessTimeout(&received_message_p->ittiMsg.timer_has_expired.arg);
break;
default: {
LOG_E(GTPU, "Unkwnon message ID %d:%s\n",
ITTI_MSG_ID(received_message_p),
ITTI_MSG_NAME(received_message_p));
}
break;
}
rc = itti_free(ITTI_MSG_ORIGIN_ID(received_message_p), received_message_p);
AssertFatal(rc == EXIT_SUCCESS, "Failed to free memory (%d)!\n", rc);
received_message_p = NULL;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GTPV1U_ENB_TASK, VCD_FUNCTION_OUT);
}
return NULL;
}
