//-------------------------------------------------------------------------------------------//
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
}
//-------------------------------------------------------------------------------------------//
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
}
static NwGtpv1uRcT
nwGtpv1uHandleEchoReq(NW_IN NwGtpv1uStackT *thiz,
NW_IN uint8_t *msgBuf,
NW_IN uint32_t msgBufLen,
NW_IN uint16_t peerPort,
NW_IN uint32_t peerIp)
{
NwGtpv1uRcT rc = NW_GTPV1U_FAILURE;
uint16_t seqNum = 0;
NwGtpv1uMsgHandleT hMsg = 0;
int bufLen = 0;
seqNum = ntohs(*(uint16_t *) (msgBuf + (((*msgBuf) & 0x02) ? 8 : 4)));
MSC_LOG_RX_MESSAGE(
(thiz->stackType == GTPU_STACK_ENB) ? MSC_GTPU_ENB:MSC_GTPU_SGW,
(thiz->stackType == GTPU_STACK_ENB) ? MSC_GTPU_SGW:MSC_GTPU_ENB,
NULL,
0,
MSC_AS_TIME_FMT" ECHO-REQ seq %u size %u",
0,0,seqNum, msgBufLen);
/* Send Echo Response */
rc = nwGtpv1uMsgNew( (NwGtpv1uStackHandleT)thiz,
NW_TRUE, /* SeqNum flag */
NW_FALSE,
NW_FALSE,
NW_GTP_ECHO_RSP, /* Msg Type */
0x00000000U, /* TEID */
seqNum, /* Seq Number */
0,
0,
(&hMsg));
bufLen = sizeof(NwGtpv1uIeTv1T)+ ((NwGtpv1uMsgT*)hMsg)->msgLen;
((NwGtpv1uMsgT*)hMsg)->msgBuf = itti_malloc(
TASK_GTPV1_U,
TASK_UDP,
bufLen);
((NwGtpv1uMsgT*)hMsg)->msgBufLen = bufLen;
NW_ASSERT(NW_GTPV1U_OK == rc);
/*
* The Restart Counter value in the Recovery information element shall
* not be used, i.e. it shall be set to zero by the sender and shall be
* ignored by the receiver.
*/
rc = nwGtpv1uMsgAddIeTV1(hMsg, NW_GTPV1U_IE_RECOVERY, 0x00);
#if defined(LOG_GTPU) && LOG_GTPU > 0
GTPU_INFO("Sending NW_GTP_ECHO_RSP message to %x:%x with seq %u\n",
peerIp,
peerPort,
seqNum);
#endif
MSC_LOG_TX_MESSAGE(
(thiz->stackType == GTPU_STACK_ENB) ? MSC_GTPU_ENB:MSC_GTPU_SGW,
(thiz->stackType == GTPU_STACK_ENB) ? MSC_GTPU_SGW:MSC_GTPU_ENB,
NULL,
0,
MSC_AS_TIME_FMT" ECHO-RSP seq %u",
0,0,seqNum);
rc = nwGtpv1uCreateAndSendMsg(
thiz,
peerIp,
peerPort,
(NwGtpv1uMsgT *) hMsg);
rc = nwGtpv1uMsgDelete((NwGtpv1uStackHandleT)thiz, hMsg);
NW_ASSERT(NW_GTPV1U_OK == rc);
return rc;
}
