int nas_itti_protected_msg(const char *buffer, const nas_message_t *msg, const int length, const int down_link)
{
MessageDef *message_p = NULL;
if (msg->header.protocol_discriminator == EPS_MOBILITY_MANAGEMENT_MESSAGE) {
message_p = itti_alloc_new_message(TASK_ORIGIN, down_link ? NAS_DL_EMM_PROTECTED_MSG : NAS_UL_EMM_PROTECTED_MSG);
memcpy ((void *) &(NAS_DL_EMM_PROTECTED_MSG(message_p).header), &msg->header, sizeof (nas_message_security_header_t));
NAS_DL_EMM_PROTECTED_MSG(message_p).present = _nas_find_message_index(msg->security_protected.plain.emm.header.message_type, emm_message_ids, sizeof(emm_message_ids) / sizeof(emm_message_ids[0]));
memcpy ((void *) &(NAS_DL_EMM_PROTECTED_MSG(message_p).choice), &msg->security_protected.plain.emm, sizeof (EMM_msg));
} else {
if (msg->header.protocol_discriminator == EPS_SESSION_MANAGEMENT_MESSAGE) {
message_p = itti_alloc_new_message(TASK_ORIGIN, down_link ? NAS_DL_ESM_PROTECTED_MSG : NAS_UL_ESM_PROTECTED_MSG);
memcpy ((void *) &(NAS_DL_ESM_PROTECTED_MSG(message_p).header), &msg->header, sizeof (nas_message_security_header_t));
NAS_DL_ESM_PROTECTED_MSG(message_p).present = _nas_find_message_index(msg->security_protected.plain.esm.header.message_type, esm_message_ids, sizeof(esm_message_ids) / sizeof(esm_message_ids[0]));
memcpy ((void *) &(NAS_DL_ESM_PROTECTED_MSG(message_p).choice), &msg->security_protected.plain.esm, sizeof (ESM_msg));
}
}
if (message_p != NULL) {
return itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
}
return EXIT_FAILURE;
}
int nas_itti_plain_msg(const char *buffer, const nas_message_t *msg, const int length, const int down_link)
{
MessageDef *message_p;
int data_length = length < NAS_DATA_LENGHT_MAX ? length : NAS_DATA_LENGHT_MAX;
int message_type = -1;
MessagesIds messageId_raw = -1;
MessagesIds messageId_plain = -1;
/* Define message ids */
if (msg->header.protocol_discriminator == EPS_MOBILITY_MANAGEMENT_MESSAGE) {
message_type = 0;
messageId_raw = down_link ? NAS_DL_EMM_RAW_MSG : NAS_UL_EMM_RAW_MSG;
messageId_plain = down_link ? NAS_DL_EMM_PLAIN_MSG : NAS_UL_EMM_PLAIN_MSG;
} else {
if (msg->header.protocol_discriminator == EPS_SESSION_MANAGEMENT_MESSAGE) {
message_type = 1;
messageId_raw = down_link ? NAS_DL_ESM_RAW_MSG : NAS_UL_ESM_RAW_MSG;
messageId_plain = down_link ? NAS_DL_ESM_PLAIN_MSG : NAS_UL_ESM_PLAIN_MSG;
}
}
if (message_type >= 0) {
/* Create and send the RAW message */
message_p = itti_alloc_new_message(TASK_ORIGIN, messageId_raw);
NAS_DL_EMM_RAW_MSG(message_p).lenght = length;
memset ((void *) &(NAS_DL_EMM_RAW_MSG(message_p).data), 0, NAS_DATA_LENGHT_MAX);
memcpy ((void *) &(NAS_DL_EMM_RAW_MSG(message_p).data), buffer, data_length);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
/* Create and send the plain message */
if (message_type == 0) {
message_p = itti_alloc_new_message(TASK_ORIGIN, messageId_plain);
NAS_DL_EMM_PLAIN_MSG(message_p).present = _nas_find_message_index(msg->plain.emm.header.message_type, emm_message_ids, sizeof(emm_message_ids) / sizeof(emm_message_ids[0]));
memcpy ((void *) &(NAS_DL_EMM_PLAIN_MSG(message_p).choice), &msg->plain.emm, sizeof (EMM_msg));
} else {
message_p = itti_alloc_new_message(TASK_ORIGIN, messageId_plain);
NAS_DL_ESM_PLAIN_MSG(message_p).present = _nas_find_message_index(msg->plain.esm.header.message_type, esm_message_ids, sizeof(esm_message_ids) / sizeof(esm_message_ids[0]));
memcpy ((void *) &(NAS_DL_ESM_PLAIN_MSG(message_p).choice), &msg->plain.esm, sizeof (ESM_msg));
}
return itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
}
return EXIT_FAILURE;
}
//-----------------------------------------------------------------------------
NwGtpv1uRcT gtpv1u_eNB_send_udp_msg(
NwGtpv1uUdpHandleT udpHandle,
uint8_t *buffer,
uint32_t buffer_len,
uint32_t buffer_offset,
uint32_t peerIpAddr,
uint16_t peerPort)
{
// Create and alloc new message
MessageDef *message_p = NULL;
udp_data_req_t *udp_data_req_p = NULL;
message_p = itti_alloc_new_message(TASK_GTPV1_U, UDP_DATA_REQ);
if (message_p) {
#if defined(LOG_GTPU) && LOG_GTPU > 0
LOG_D(GTPU, "Sending UDP_DATA_REQ length %u offset %u", buffer_len, buffer_offset);
#endif
udp_data_req_p = &message_p->ittiMsg.udp_data_req;
udp_data_req_p->peer_address = peerIpAddr;
udp_data_req_p->peer_port = peerPort;
udp_data_req_p->buffer = buffer;
udp_data_req_p->buffer_length = buffer_len;
udp_data_req_p->buffer_offset = buffer_offset;
return itti_send_msg_to_task(TASK_UDP, INSTANCE_DEFAULT, message_p);
} else {
return NW_GTPV1U_FAILURE;
}
}
//-----------------------------------------------------------------------------
static int gtpv1u_eNB_send_init_udp(uint16_t port_number)
{
// Create and alloc new message
MessageDef *message_p;
struct in_addr addr;
message_p = itti_alloc_new_message(TASK_GTPV1_U, UDP_INIT);
if (message_p == NULL) {
return -1;
}
UDP_INIT(message_p).port = port_number;
//LG UDP_INIT(message_p).address = "0.0.0.0"; //ANY address
addr.s_addr = gtpv1u_data_g.enb_ip_address_for_S1u_S12_S4_up;
UDP_INIT(message_p).address = inet_ntoa(addr);
LOG_D(GTPU, "Tx UDP_INIT IP addr %s\n", UDP_INIT(message_p).address);
MSC_LOG_EVENT(
MSC_GTPU_ENB,
"0 UDP bind %s:%u",
UDP_INIT(message_p).address,
UDP_INIT(message_p).port);
return itti_send_msg_to_task(TASK_UDP, INSTANCE_DEFAULT, message_p);
}
static int gtpv1u_create_s1u_tunnel(Gtpv1uCreateTunnelReq *create_tunnel_reqP)
{
/* Create a new nw-gtpv1-u stack req using API */
NwGtpv1uUlpApiT stack_req;
NwGtpv1uRcT rc;
/* Local tunnel end-point identifier */
uint32_t s1u_teid = 0;
gtpv1u_teid2enb_info_t *gtpv1u_teid2enb_info = NULL;
MessageDef *message_p = NULL;
hashtable_rc_t hash_rc;
GTPU_DEBUG("Rx GTPV1U_CREATE_TUNNEL_REQ Context %d\n", create_tunnel_reqP->context_teid);
memset(&stack_req, 0, sizeof(NwGtpv1uUlpApiT));
stack_req.apiType = NW_GTPV1U_ULP_API_CREATE_TUNNEL_ENDPOINT;
do {
s1u_teid = gtpv1u_new_teid();
GTPU_DEBUG("gtpv1u_create_s1u_tunnel() %u\n", s1u_teid);
stack_req.apiInfo.createTunnelEndPointInfo.teid = s1u_teid;
stack_req.apiInfo.createTunnelEndPointInfo.hUlpSession = 0;
stack_req.apiInfo.createTunnelEndPointInfo.hStackSession = 0;
rc = nwGtpv1uProcessUlpReq(gtpv1u_sgw_data.gtpv1u_stack, &stack_req);
GTPU_DEBUG(".\n");
} while (rc != NW_GTPV1U_OK);
gtpv1u_teid2enb_info = malloc (sizeof(gtpv1u_teid2enb_info_t));
memset(gtpv1u_teid2enb_info, 0, sizeof(gtpv1u_teid2enb_info_t));
gtpv1u_teid2enb_info->state = BEARER_IN_CONFIG;
//#warning !!! hack because missing modify session request, so force enb address
// gtpv1u_teid2enb_info->enb_ip_addr.pdn_type = IPv4;
// gtpv1u_teid2enb_info->enb_ip_addr.address.ipv4_address[0] = 192;
// gtpv1u_teid2enb_info->enb_ip_addr.address.ipv4_address[1] = 168;
// gtpv1u_teid2enb_info->enb_ip_addr.address.ipv4_address[2] = 1;
// gtpv1u_teid2enb_info->enb_ip_addr.address.ipv4_address[3] = 2;
message_p = itti_alloc_new_message(TASK_GTPV1_U, GTPV1U_CREATE_TUNNEL_RESP);
message_p->ittiMsg.gtpv1uCreateTunnelResp.S1u_teid = s1u_teid;
message_p->ittiMsg.gtpv1uCreateTunnelResp.context_teid = create_tunnel_reqP->context_teid;
message_p->ittiMsg.gtpv1uCreateTunnelResp.eps_bearer_id = create_tunnel_reqP->eps_bearer_id;
hash_rc = hashtable_is_key_exists(gtpv1u_sgw_data.S1U_mapping, s1u_teid);
if (hash_rc == HASH_TABLE_KEY_NOT_EXISTS) {
hash_rc = hashtable_insert(gtpv1u_sgw_data.S1U_mapping, s1u_teid, gtpv1u_teid2enb_info);
message_p->ittiMsg.gtpv1uCreateTunnelResp.status = 0;
} else {
message_p->ittiMsg.gtpv1uCreateTunnelResp.status = 0xFF;
}
GTPU_DEBUG("Tx GTPV1U_CREATE_TUNNEL_RESP Context %u teid %u eps bearer id %u status %d\n",
message_p->ittiMsg.gtpv1uCreateTunnelResp.context_teid,
message_p->ittiMsg.gtpv1uCreateTunnelResp.S1u_teid,
message_p->ittiMsg.gtpv1uCreateTunnelResp.eps_bearer_id,
message_p->ittiMsg.gtpv1uCreateTunnelResp.status);
return itti_send_msg_to_task(TASK_SPGW_APP, INSTANCE_DEFAULT, message_p);
}
static int gtpv1u_update_s1u_tunnel(Gtpv1uUpdateTunnelReq *reqP)
{
hashtable_rc_t hash_rc;
gtpv1u_teid2enb_info_t *gtpv1u_teid2enb_info;
MessageDef *message_p;
GTPU_DEBUG("Rx GTPV1U_UPDATE_TUNNEL_REQ Context %u, S-GW S1U teid %u, eNB S1U teid %u\n",
reqP->context_teid,
reqP->sgw_S1u_teid,
reqP->enb_S1u_teid);
message_p = itti_alloc_new_message(TASK_GTPV1_U, GTPV1U_UPDATE_TUNNEL_RESP);
hash_rc = hashtable_get(gtpv1u_sgw_data.S1U_mapping, reqP->sgw_S1u_teid, (void**)>pv1u_teid2enb_info);
if (hash_rc == HASH_TABLE_OK) {
gtpv1u_teid2enb_info->teid_enb = reqP->enb_S1u_teid;
gtpv1u_teid2enb_info->enb_ip_addr = reqP->enb_ip_address_for_S1u;
gtpv1u_teid2enb_info->state = BEARER_UP;
gtpv1u_teid2enb_info->port = GTPV1U_UDP_PORT;
message_p->ittiMsg.gtpv1uUpdateTunnelResp.status = 0; ///< Status (Failed = 0xFF or Success = 0x0)
} else {
GTPU_ERROR("Mapping not found\n");
message_p->ittiMsg.gtpv1uUpdateTunnelResp.status = 0xFF; ///< Status (Failed = 0xFF or Success = 0x0)
}
message_p->ittiMsg.gtpv1uUpdateTunnelResp.context_teid = reqP->context_teid;
message_p->ittiMsg.gtpv1uUpdateTunnelResp.sgw_S1u_teid = reqP->sgw_S1u_teid;
message_p->ittiMsg.gtpv1uUpdateTunnelResp.enb_S1u_teid = reqP->enb_S1u_teid;
message_p->ittiMsg.gtpv1uUpdateTunnelResp.eps_bearer_id = reqP->eps_bearer_id;
return itti_send_msg_to_task(TASK_SPGW_APP, INSTANCE_DEFAULT, message_p);
}
static
NwRcT s11_sgw_send_udp_msg(
NwGtpv2cUdpHandleT udpHandle,
uint8_t *buffer,
uint32_t buffer_len,
uint32_t peerIpAddr,
uint32_t peerPort)
{
// Create and alloc new message
MessageDef *message_p;
udp_data_req_t *udp_data_req_p;
int ret = 0;
message_p = itti_alloc_new_message(TASK_S11, UDP_DATA_REQ);
udp_data_req_p = &message_p->ittiMsg.udp_data_req;
udp_data_req_p->peer_address = peerIpAddr;
udp_data_req_p->peer_port = peerPort;
udp_data_req_p->buffer = buffer;
udp_data_req_p->buffer_length = buffer_len;
ret = itti_send_msg_to_task(TASK_UDP, INSTANCE_DEFAULT, message_p);
return ret == 0 ? NW_OK : NW_FAILURE;
}
//------------------------------------------------------------------------------
static uint32_t eNB_app_register(const uint32_t enb_id_start, const uint32_t enb_id_end, const Enb_properties_array_t *enb_properties)
//------------------------------------------------------------------------------
{
uint32_t enb_id;
uint32_t mme_id;
MessageDef *msg_p;
uint32_t register_enb_pending = 0;
char *str = NULL;
struct in_addr addr;
// 1 eNB should be max.
// 1 eNB should be max.
for (enb_id = enb_id_start; (enb_id < enb_id_end) ; enb_id++) {
{
s1ap_register_enb_req_t *s1ap_register_eNB;
/* note: there is an implicit relationship between the data structure and the message name */
msg_p = itti_alloc_new_message (TASK_ENB_APP, S1AP_REGISTER_ENB_REQ);
s1ap_register_eNB = &S1AP_REGISTER_ENB_REQ(msg_p);
/* Some default/random parameters */
s1ap_register_eNB->eNB_id = enb_properties->properties[enb_id]->eNB_id;
s1ap_register_eNB->cell_type = enb_properties->properties[enb_id]->cell_type;
s1ap_register_eNB->eNB_name = enb_properties->properties[enb_id]->eNB_name;
s1ap_register_eNB->tac = enb_properties->properties[enb_id]->tac;
s1ap_register_eNB->mcc = enb_properties->properties[enb_id]->mcc;
s1ap_register_eNB->mnc = enb_properties->properties[enb_id]->mnc;
s1ap_register_eNB->mnc_digit_length = enb_properties->properties[enb_id]->mnc_digit_length;
s1ap_register_eNB->default_drx = enb_properties->properties[enb_id]->pcch_defaultPagingCycle[0];
s1ap_register_eNB->nb_mme = enb_properties->properties[enb_id]->nb_mme;
AssertFatal (s1ap_register_eNB->nb_mme <= S1AP_MAX_NB_MME_IP_ADDRESS, "Too many MME for eNB %d (%d/%d)!", enb_id, s1ap_register_eNB->nb_mme,
S1AP_MAX_NB_MME_IP_ADDRESS);
for (mme_id = 0; mme_id < s1ap_register_eNB->nb_mme; mme_id++) {
s1ap_register_eNB->mme_ip_address[mme_id].ipv4 = enb_properties->properties[enb_id]->mme_ip_address[mme_id].ipv4;
s1ap_register_eNB->mme_ip_address[mme_id].ipv6 = enb_properties->properties[enb_id]->mme_ip_address[mme_id].ipv6;
strncpy (s1ap_register_eNB->mme_ip_address[mme_id].ipv4_address,
enb_properties->properties[enb_id]->mme_ip_address[mme_id].ipv4_address,
sizeof(s1ap_register_eNB->mme_ip_address[0].ipv4_address));
strncpy (s1ap_register_eNB->mme_ip_address[mme_id].ipv6_address,
enb_properties->properties[enb_id]->mme_ip_address[mme_id].ipv6_address,
sizeof(s1ap_register_eNB->mme_ip_address[0].ipv6_address));
}
s1ap_register_eNB->enb_ip_address.ipv6 = 0;
s1ap_register_eNB->enb_ip_address.ipv4 = 1;
addr.s_addr = enb_properties->properties[enb_id]->enb_ipv4_address_for_S1_MME;
str = inet_ntoa(addr);
strcpy(s1ap_register_eNB->enb_ip_address.ipv4_address, str);
itti_send_msg_to_task (TASK_S1AP, ENB_MODULE_ID_TO_INSTANCE(enb_id), msg_p);
register_enb_pending++;
}
}
return register_enb_pending;
}
void s1ap_handle_s1_setup_message(s1ap_eNB_mme_data_t *mme_desc_p, int sctp_shutdown)
{
if (sctp_shutdown) {
/* A previously connected MME has been shutdown */
/* TODO check if it was used by some eNB and send a message to inform these eNB if there is no more associated MME */
if (mme_desc_p->state == S1AP_ENB_STATE_CONNECTED) {
mme_desc_p->state = S1AP_ENB_STATE_DISCONNECTED;
if (mme_desc_p->s1ap_eNB_instance->s1ap_mme_associated_nb > 0) {
/* Decrease associated MME number */
mme_desc_p->s1ap_eNB_instance->s1ap_mme_associated_nb --;
}
/* If there are no more associated MME, inform eNB app */
if (mme_desc_p->s1ap_eNB_instance->s1ap_mme_associated_nb == 0) {
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_S1AP, S1AP_DEREGISTERED_ENB_IND);
S1AP_DEREGISTERED_ENB_IND(message_p).nb_mme = 0;
itti_send_msg_to_task(TASK_ENB_APP, mme_desc_p->s1ap_eNB_instance->instance, message_p);
}
}
} else {
/* Check that at least one setup message is pending */
DevCheck(mme_desc_p->s1ap_eNB_instance->s1ap_mme_pending_nb > 0, mme_desc_p->s1ap_eNB_instance->instance,
mme_desc_p->s1ap_eNB_instance->s1ap_mme_pending_nb, 0);
if (mme_desc_p->s1ap_eNB_instance->s1ap_mme_pending_nb > 0) {
/* Decrease pending messages number */
mme_desc_p->s1ap_eNB_instance->s1ap_mme_pending_nb --;
}
/* If there are no more pending messages, inform eNB app */
if (mme_desc_p->s1ap_eNB_instance->s1ap_mme_pending_nb == 0) {
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_S1AP, S1AP_REGISTER_ENB_CNF);
S1AP_REGISTER_ENB_CNF(message_p).nb_mme = mme_desc_p->s1ap_eNB_instance->s1ap_mme_associated_nb;
itti_send_msg_to_task(TASK_ENB_APP, mme_desc_p->s1ap_eNB_instance->instance, message_p);
}
}
}
int
sctp_itti_send_com_down_ind (
uint32_t assoc_id)
{
MessageDef *message_p;
sctp_close_association_t *sctp_close_association_p;
message_p = itti_alloc_new_message (TASK_SCTP, SCTP_CLOSE_ASSOCIATION);
sctp_close_association_p = &message_p->ittiMsg.sctp_close_association;
sctp_close_association_p->assoc_id = assoc_id;
return itti_send_msg_to_task (TASK_S1AP, INSTANCE_DEFAULT, message_p);
}
int nas_itti_ul_data_req(const uint32_t ue_id, void *const data, const uint32_t length)
{
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_NAS_UE, NAS_UPLINK_DATA_REQ);
NAS_UPLINK_DATA_REQ(message_p).UEid = ue_id;
NAS_UPLINK_DATA_REQ(message_p).nasMsg.data = data;
NAS_UPLINK_DATA_REQ(message_p).nasMsg.length = length;
return itti_send_msg_to_task(TASK_RRC_UE, NB_eNB_INST + 0 /* TODO to be virtualized */, message_p);
}
int s1ap_mme_itti_send_sctp_request(uint8_t *buffer, uint32_t length,
uint32_t assoc_id, uint16_t stream)
{
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_S1AP, SCTP_DATA_REQ);
SCTP_DATA_REQ(message_p).buffer = buffer;
SCTP_DATA_REQ(message_p).bufLen = length;
SCTP_DATA_REQ(message_p).assocId = assoc_id;
SCTP_DATA_REQ(message_p).stream = stream;
return itti_send_msg_to_task(TASK_SCTP, INSTANCE_DEFAULT, message_p);
}
//-------------------------------------------------------------------------------------------//
void rrc_lite_data_ind(module_id_t enb_mod_idP, module_id_t ue_mod_idP, frame_t frameP, eNB_flag_t enb_flagP,rb_id_t Srb_id, sdu_size_t sdu_sizeP,uint8_t *buffer_pP){
//-------------------------------------------------------------------------------------------//
rb_id_t DCCH_index = Srb_id;
#if defined(ENABLE_ITTI)
instance_t instance;
#endif
if (enb_flagP == ENB_FLAG_NO) {
#if defined(ENABLE_ITTI)
instance = ue_mod_idP + NB_eNB_INST;
#endif
LOG_N(RRC, "[UE %d] Frame %d: received a DCCH %d message on SRB %d with Size %d from eNB %d\n",
ue_mod_idP, frameP, DCCH_index,Srb_id-1,sdu_sizeP, enb_mod_idP);
} else {
#if defined(ENABLE_ITTI)
instance = enb_mod_idP;
#endif
LOG_N(RRC, "[eNB %d] Frame %d: received a DCCH %d message on SRB %d with Size %d from UE %d\n",
enb_mod_idP, frameP, DCCH_index,Srb_id-1,sdu_sizeP, ue_mod_idP);
}
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
// Uses a new buffer to avoid issue with PDCP buffer content that could be changed by PDCP (asynchronous message handling).
uint8_t *message_buffer;
message_buffer = itti_malloc (enb_flagP ? TASK_PDCP_ENB : TASK_PDCP_UE, enb_flagP ? TASK_RRC_ENB : TASK_RRC_UE, sdu_sizeP);
memcpy (message_buffer, buffer_pP, sdu_sizeP);
message_p = itti_alloc_new_message (enb_flagP ? TASK_PDCP_ENB : TASK_PDCP_UE, RRC_DCCH_DATA_IND);
RRC_DCCH_DATA_IND (message_p).frame = frameP;
RRC_DCCH_DATA_IND (message_p).dcch_index = DCCH_index;
RRC_DCCH_DATA_IND (message_p).sdu_size = sdu_sizeP;
RRC_DCCH_DATA_IND (message_p).sdu_p = message_buffer;
RRC_DCCH_DATA_IND (message_p).ue_index = ue_mod_idP;
RRC_DCCH_DATA_IND (message_p).eNB_index = enb_mod_idP;
itti_send_msg_to_task (enb_flagP ? TASK_RRC_ENB : TASK_RRC_UE, instance, message_p);
}
#else
if (enb_flagP == ENB_FLAG_YES) {
rrc_eNB_decode_dcch(enb_mod_idP,frameP,DCCH_index,ue_mod_idP,buffer_pP,sdu_sizeP);
}
else {
rrc_ue_decode_dcch(ue_mod_idP,frameP,DCCH_index,buffer_pP,enb_mod_idP);
}
#endif
}
int timer_handle_signal(siginfo_t *info)
{
struct timer_elm_s *timer_p;
MessageDef *message_p;
timer_has_expired_t *timer_expired_p;
task_id_t task_id;
int32_t instance;
/* Get back pointer to timer list element */
timer_p = (struct timer_elm_s *)info->si_ptr;
// LG: To many traces for msc timer:
// TMR_DEBUG("Timer with id 0x%lx has expired\n", (long)timer_p->timer);
task_id = timer_p->task_id;
instance = timer_p->instance;
message_p = itti_alloc_new_message(TASK_TIMER, TIMER_HAS_EXPIRED);
timer_expired_p = &message_p->ittiMsg.timer_has_expired;
timer_expired_p->timer_id = (long)timer_p->timer;
timer_expired_p->arg = timer_p->timer_arg;
/* Timer is a one shot timer, remove it */
if (timer_p->type == TIMER_ONE_SHOT) {
// if (timer_delete(timer_p->timer) < 0) {
// TMR_DEBUG("Failed to delete timer 0x%lx\n", (long)timer_p->timer);
// }
// TMR_DEBUG("Removed timer 0x%lx\n", (long)timer_p->timer);
// pthread_mutex_lock(&timer_desc.timer_list_mutex);
// STAILQ_REMOVE(&timer_desc.timer_queue, timer_p, timer_elm_s, entries);
// pthread_mutex_unlock(&timer_desc.timer_list_mutex);
// free(timer_p);
// timer_p = NULL;
if (timer_remove((long)timer_p->timer) != 0) {
TMR_DEBUG("Failed to delete timer 0x%lx\n", (long)timer_p->timer);
}
}
/* Notify task of timer expiry */
if (itti_send_msg_to_task(task_id, instance, message_p) < 0) {
TMR_DEBUG("Failed to send msg TIMER_HAS_EXPIRED to task %u\n", task_id);
free(message_p);
return -1;
}
return 0;
}
int
sctp_itti_send_new_association (
uint32_t assoc_id,
uint16_t instreams,
uint16_t outstreams)
{
MessageDef *message_p;
sctp_new_peer_t *sctp_new_peer_p;
message_p = itti_alloc_new_message (TASK_SCTP, SCTP_NEW_ASSOCIATION);
sctp_new_peer_p = &message_p->ittiMsg.sctp_new_peer;
sctp_new_peer_p->assoc_id = assoc_id;
sctp_new_peer_p->instreams = instreams;
sctp_new_peer_p->outstreams = outstreams;
return itti_send_msg_to_task (TASK_S1AP, INSTANCE_DEFAULT, message_p);
}
//-------------------------------------------------------------------------------------------//
int mac_ue_ccch_success_ind(module_id_t Mod_idP, uint8_t eNB_index) {
//-------------------------------------------------------------------------------------------//
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_CCCH_DATA_CNF);
RRC_MAC_CCCH_DATA_CNF (message_p).enb_index = eNB_index;
itti_send_msg_to_task (TASK_RRC_UE, Mod_idP + NB_eNB_INST, message_p);
}
#else
// reset the tx buffer to indicate RRC that ccch was successfully transmitted (for example if contention resolution succeeds)
UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size=0;
#endif
return 0;
}
void s1ap_eNB_itti_send_sctp_data_req(instance_t instance, int32_t assoc_id, uint8_t *buffer,
uint32_t buffer_length, uint16_t stream)
{
MessageDef *message_p;
sctp_data_req_t *sctp_data_req;
message_p = itti_alloc_new_message(TASK_S1AP, SCTP_DATA_REQ);
sctp_data_req = &message_p->ittiMsg.sctp_data_req;
sctp_data_req->assoc_id = assoc_id;
sctp_data_req->buffer = buffer;
sctp_data_req->buffer_length = buffer_length;
sctp_data_req->stream = stream;
itti_send_msg_to_task(TASK_SCTP, instance, message_p);
}
static int s11_send_init_udp(char *address, uint16_t port_number)
{
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_S11, UDP_INIT);
if (message_p == NULL) {
return -1;
}
message_p->ittiMsg.udp_init.port = port_number;
//LG message_p->ittiMsg.udpInit.address = "0.0.0.0"; //ANY address
message_p->ittiMsg.udp_init.address = address;
S11_DEBUG("Tx UDP_INIT IP addr %s\n", message_p->ittiMsg.udp_init.address);
return itti_send_msg_to_task(TASK_UDP, INSTANCE_DEFAULT, message_p);
}
//-------------------------------------------------------------------------------------------//
void rrc_lite_in_sync_ind(module_id_t Mod_idP, frame_t frameP, uint16_t eNB_index) {
//-------------------------------------------------------------------------------------------//
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_IN_SYNC_IND);
RRC_MAC_IN_SYNC_IND (message_p).frame = frameP;
RRC_MAC_IN_SYNC_IND (message_p).enb_index = eNB_index;
itti_send_msg_to_task (TASK_RRC_UE, Mod_idP + NB_eNB_INST, message_p);
}
#else
UE_rrc_inst[Mod_idP].Info[eNB_index].N310_cnt=0;
if (UE_rrc_inst[Mod_idP].Info[eNB_index].T310_active==1)
UE_rrc_inst[Mod_idP].Info[eNB_index].N311_cnt++;
#endif
}
int nas_itti_rab_establish_rsp(const as_stmsi_t s_tmsi, const as_rab_id_t rabID, const nas_error_code_t errCode)
{
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_NAS_UE, NAS_RAB_ESTABLI_RSP);
NAS_RAB_ESTABLI_RSP(message_p).s_tmsi = s_tmsi;
NAS_RAB_ESTABLI_RSP(message_p).rabID = rabID;
NAS_RAB_ESTABLI_RSP(message_p).errCode = errCode;
MSC_LOG_TX_MESSAGE(
MSC_NAS_UE,
MSC_RRC_UE,
NULL,0,
"0 NAS_RAB_ESTABLI_RSP MME code %u m-TMSI %u rb id %u status %u",
s_tmsi.MMEcode, s_tmsi.m_tmsi,rabID, errCode );
return itti_send_msg_to_task(TASK_RRC_UE, NB_eNB_INST + 0 /* TODO to be virtualized */, message_p);
}
int nas_itti_cell_info_req(const plmn_t plmnID, const Byte_t rat)
{
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_NAS_UE, NAS_CELL_SELECTION_REQ);
NAS_CELL_SELECTION_REQ(message_p).plmnID = plmnID;
NAS_CELL_SELECTION_REQ(message_p).rat = rat;
MSC_LOG_TX_MESSAGE(
MSC_NAS_UE,
MSC_RRC_UE,
NULL,0,
"0 NAS_CELL_SELECTION_REQ PLMN %X%X%X.%X%X%X",
plmnID.MCCdigit1, plmnID.MCCdigit2, plmnID.MCCdigit3,
plmnID.MNCdigit1, plmnID.MNCdigit2, plmnID.MNCdigit3);
return itti_send_msg_to_task(TASK_RRC_UE, NB_eNB_INST + 0 /* TODO to be virtualized */, message_p);
}
int nas_itti_dl_data_req(const uint32_t ue_id, void *const data,
const uint32_t length)
{
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_NAS_MME, NAS_DOWNLINK_DATA_REQ);
NAS_DL_DATA_REQ(message_p).UEid = ue_id;
NAS_DL_DATA_REQ(message_p).nasMsg.data = data;
NAS_DL_DATA_REQ(message_p).nasMsg.length = length;
MSC_LOG_TX_MESSAGE(
MSC_NAS_MME,
MSC_S1AP_MME,
NULL,0,
"0 NAS_DOWNLINK_DATA_REQ ue id "NAS_UE_ID_FMT" len %u", ue_id, length);
return itti_send_msg_to_task(TASK_S1AP, INSTANCE_DEFAULT, message_p);
}
static int gtpv1u_delete_s1u_tunnel(Teid_t context_teidP, Teid_t S1U_teidP)
{
/* Local tunnel end-point identifier */
MessageDef *message_p;
GTPU_DEBUG("Rx GTPV1U_DELETE_TUNNEL Context %u S1U teid %u\n", context_teidP, S1U_teidP);
message_p = itti_alloc_new_message(TASK_GTPV1_U, GTPV1U_DELETE_TUNNEL_RESP);
message_p->ittiMsg.gtpv1uDeleteTunnelResp.S1u_teid = S1U_teidP;
message_p->ittiMsg.gtpv1uDeleteTunnelResp.context_teid = context_teidP;
if (hashtable_remove(gtpv1u_sgw_data.S1U_mapping, S1U_teidP) == HASH_TABLE_OK ) {
message_p->ittiMsg.gtpv1uDeleteTunnelResp.status = 0;
} else {
message_p->ittiMsg.gtpv1uDeleteTunnelResp.status = -1;
}
GTPU_DEBUG("Tx SGW_S1U_ENDPOINT_CREATED Context %u teid %u status %d\n", context_teidP, S1U_teidP, message_p->ittiMsg.gtpv1uDeleteTunnelResp.status);
return itti_send_msg_to_task(TASK_SPGW_APP, INSTANCE_DEFAULT, message_p);
}
void s1ap_eNB_itti_send_nas_downlink_ind(instance_t instance,
uint16_t ue_initial_id,
uint32_t eNB_ue_s1ap_id,
uint8_t *nas_pdu,
uint32_t nas_pdu_length)
{
MessageDef *message_p;
s1ap_downlink_nas_t *s1ap_downlink_nas;
message_p = itti_alloc_new_message(TASK_S1AP, S1AP_DOWNLINK_NAS);
s1ap_downlink_nas = &message_p->ittiMsg.s1ap_downlink_nas;
s1ap_downlink_nas->ue_initial_id = ue_initial_id;
s1ap_downlink_nas->eNB_ue_s1ap_id = eNB_ue_s1ap_id;
s1ap_downlink_nas->nas_pdu.buffer = nas_pdu;
s1ap_downlink_nas->nas_pdu.length = nas_pdu_length;
itti_send_msg_to_task(TASK_RRC_ENB, instance, message_p);
}
int s1ap_mme_itti_nas_downlink_cnf(const uint32_t ue_id,
nas_error_code_t error_code)
{
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_S1AP, NAS_DOWNLINK_DATA_CNF);
NAS_DL_DATA_CNF(message_p).UEid = ue_id;
NAS_DL_DATA_CNF(message_p).errCode = error_code;
MSC_LOG_TX_MESSAGE(
MSC_S1AP_MME,
MSC_NAS_MME,
NULL,0,
"0 NAS_DOWNLINK_DATA_CNF ue_id "S1AP_UE_ID_FMT" errCode %u",
NAS_DL_DATA_CNF(message_p).UEid,
NAS_DL_DATA_CNF(message_p).errCode);
return itti_send_msg_to_task(TASK_NAS_MME, INSTANCE_DEFAULT, message_p);
}
int s1ap_mme_itti_nas_uplink_ind(const uint32_t ue_id, uint8_t * const buffer,
const uint32_t length)
{
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_S1AP, NAS_UPLINK_DATA_IND);
NAS_UL_DATA_IND(message_p).UEid = ue_id;
NAS_UL_DATA_IND(message_p).nasMsg.data = buffer;
NAS_UL_DATA_IND(message_p).nasMsg.length = length;
MSC_LOG_TX_MESSAGE(
MSC_S1AP_MME,
MSC_NAS_MME,
NULL,0,
"0 NAS_UPLINK_DATA_IND ue_id "S1AP_UE_ID_FMT" len %u",
NAS_UL_DATA_IND(message_p).UEid,
NAS_UL_DATA_IND(message_p).nasMsg.length);
return itti_send_msg_to_task(TASK_NAS_MME, INSTANCE_DEFAULT, message_p);
}
int
sctp_itti_send_new_message_ind (
int n,
uint8_t * buffer,
uint32_t assoc_id,
uint16_t stream,
uint16_t instreams,
uint16_t outstreams)
{
MessageDef *message_p;
message_p = itti_alloc_new_message (TASK_SCTP, SCTP_DATA_IND);
SCTP_DATA_IND (message_p).buffer = malloc (sizeof (uint8_t) * n);
memcpy ((void *)SCTP_DATA_IND (message_p).buffer, (void *)buffer, n);
SCTP_DATA_IND (message_p).stream = stream;
SCTP_DATA_IND (message_p).buf_length = n;
SCTP_DATA_IND (message_p).assoc_id = assoc_id;
SCTP_DATA_IND (message_p).instreams = instreams;
SCTP_DATA_IND (message_p).outstreams = outstreams;
return itti_send_msg_to_task (TASK_S1AP, INSTANCE_DEFAULT, message_p);
}
//-------------------------------------------------------------------------------------------//
void rrc_lite_out_of_sync_ind(module_id_t Mod_idP, frame_t frameP, uint16_t eNB_index){
//-------------------------------------------------------------------------------------------//
LOG_I(RRC,"[UE %d] Frame %d: OUT OF SYNC FROM eNB %d (T310 %d, N310 %d, N311 %d)\n ",
Mod_idP,frameP,eNB_index,
UE_rrc_inst[Mod_idP].Info[eNB_index].T310_cnt,
UE_rrc_inst[Mod_idP].Info[eNB_index].N310_cnt,
UE_rrc_inst[Mod_idP].Info[eNB_index].N311_cnt);
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_OUT_OF_SYNC_IND);
RRC_MAC_OUT_OF_SYNC_IND (message_p).frame = frameP;
RRC_MAC_OUT_OF_SYNC_IND (message_p).enb_index = eNB_index;
itti_send_msg_to_task (TASK_RRC_UE, Mod_idP + NB_eNB_INST, message_p);
}
#else
UE_rrc_inst[Mod_idP].Info[eNB_index].N310_cnt++;
#endif
}
//-------------------------------------------------------------------------------------------//
uint8_t rrc_lite_data_req(module_id_t enb_mod_idP, module_id_t ue_mod_idP, frame_t frameP, eNB_flag_t enb_flagP, rb_id_t rb_idP, mui_t muiP, uint32_t confirmP,
sdu_size_t sdu_size, uint8_t* buffer_pP, pdcp_transmission_mode_t mode) {
//-------------------------------------------------------------------------------------------//
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
// Uses a new buffer to avoid issue with PDCP buffer content that could be changed by PDCP (asynchronous message handling).
uint8_t *message_buffer;
message_buffer = itti_malloc (enb_flagP ? TASK_RRC_ENB : TASK_RRC_UE, enb_flagP ? TASK_PDCP_ENB : TASK_PDCP_UE, sdu_size);
memcpy (message_buffer, buffer_pP, sdu_size);
message_p = itti_alloc_new_message (enb_flagP ? TASK_RRC_ENB : TASK_RRC_UE, RRC_DCCH_DATA_REQ);
RRC_DCCH_DATA_REQ (message_p).frame = frameP;
RRC_DCCH_DATA_REQ (message_p).enb_flag = enb_flagP;
RRC_DCCH_DATA_REQ (message_p).rb_id = rb_idP;
RRC_DCCH_DATA_REQ (message_p).muip = muiP;
RRC_DCCH_DATA_REQ (message_p).confirmp = confirmP;
RRC_DCCH_DATA_REQ (message_p).sdu_size = sdu_size;
RRC_DCCH_DATA_REQ (message_p).sdu_p = message_buffer;
RRC_DCCH_DATA_REQ (message_p).mode = mode;
RRC_DCCH_DATA_REQ (message_p).eNB_index = enb_mod_idP;
RRC_DCCH_DATA_REQ (message_p).ue_index = ue_mod_idP;
itti_send_msg_to_task (enb_flagP ? TASK_PDCP_ENB : TASK_PDCP_UE, enb_flagP ? enb_mod_idP : NB_eNB_INST + ue_mod_idP, message_p);
return TRUE; // TODO should be changed to a CNF message later, currently RRC lite does not used the returned value anyway.
}
#else
protocol_ctxt_t ctxt;
ctxt.enb_module_id = enb_mod_idP;
ctxt.ue_module_id = ue_mod_idP;
ctxt.frame = frameP;
ctxt.enb_flag = enb_flagP;
return pdcp_data_req (&ctxt, SRB_FLAG_YES, rb_idP, muiP, confirmP, sdu_size, buffer_pP, mode);
#endif
}
NwGtpv1uRcT gtpv1u_send_udp_msg(
NwGtpv1uUdpHandleT udpHandle,
uint8_t *buffer,
uint32_t buffer_len,
uint32_t buffer_offset,
uint32_t peerIpAddr,
uint32_t peerPort)
{
// Create and alloc new message
MessageDef *message_p;
udp_data_req_t *udp_data_req_p;
message_p = itti_alloc_new_message(TASK_GTPV1_U, UDP_DATA_REQ);
udp_data_req_p = &message_p->ittiMsg.udp_data_req;
udp_data_req_p->peer_address = peerIpAddr;
udp_data_req_p->peer_port = peerPort;
udp_data_req_p->buffer = buffer;
udp_data_req_p->buffer_length = buffer_len;
udp_data_req_p->buffer_offset = buffer_offset;
return itti_send_msg_to_task(TASK_UDP, INSTANCE_DEFAULT, message_p);
}
