void eNB_dlsch_ulsch_scheduler(module_id_t module_idP,uint8_t cooperation_flag, frame_t frameP, sub_frame_t subframeP) //, int calibration_flag) {
{
unsigned int nprb[MAX_NUM_CCs];
unsigned int nCCE[MAX_NUM_CCs];
int mbsfn_status[MAX_NUM_CCs];
uint32_t RBalloc[MAX_NUM_CCs];
protocol_ctxt_t ctxt;
#ifdef EXMIMO
int ret;
#endif
#if defined(ENABLE_ITTI)
MessageDef *msg_p;
const char *msg_name;
instance_t instance;
int result;
#endif
DCI_PDU *DCI_pdu[MAX_NUM_CCs];
int CC_id,i,next_i;
UE_list_t *UE_list=&eNB_mac_inst[module_idP].UE_list;
rnti_t rnti;
LOG_D(MAC,"[eNB %d] Frame %d, Subframe %d, entering MAC scheduler (UE_list->head %d)\n",module_idP, frameP, subframeP,UE_list->head);
start_meas(&eNB_mac_inst[module_idP].eNB_scheduler);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ULSCH_SCHEDULER,VCD_FUNCTION_IN);
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
DCI_pdu[CC_id] = &eNB_mac_inst[module_idP].common_channels[CC_id].DCI_pdu;
nCCE[CC_id]=0;
nprb[CC_id]=0;
RBalloc[CC_id]=0;
mbsfn_status[CC_id]=0;
}
// refresh UE list based on UEs dropped by PHY in previous subframe
i = UE_list->head;
while (i>=0) {
rnti = UE_RNTI(module_idP, i);
CC_id = UE_PCCID(module_idP, i);
LOG_D(MAC,"UE %d: rnti %x (%p)\n", i, rnti,
mac_xface->get_eNB_UE_stats(module_idP, CC_id, rnti));
next_i= UE_list->next[i];
if (mac_xface->get_eNB_UE_stats(module_idP, CC_id, rnti)==NULL) {
mac_remove_ue(module_idP, i, frameP, subframeP);
}
i = next_i;
}
#if defined(ENABLE_ITTI)
do {
// Checks if a message has been sent to MAC sub-task
itti_poll_msg (TASK_MAC_ENB, &msg_p);
if (msg_p != NULL) {
msg_name = ITTI_MSG_NAME (msg_p);
instance = ITTI_MSG_INSTANCE (msg_p);
switch (ITTI_MSG_ID(msg_p)) {
case MESSAGE_TEST:
LOG_D(MAC, "Received %s\n", ITTI_MSG_NAME(msg_p));
break;
case RRC_MAC_BCCH_DATA_REQ:
LOG_D(MAC, "Received %s from %s: instance %d, frameP %d, eNB_index %d\n",
msg_name, ITTI_MSG_ORIGIN_NAME(msg_p), instance,
RRC_MAC_BCCH_DATA_REQ (msg_p).frame, RRC_MAC_BCCH_DATA_REQ (msg_p).enb_index);
// TODO process BCCH data req.
break;
case RRC_MAC_CCCH_DATA_REQ:
LOG_D(MAC, "Received %s from %s: instance %d, frameP %d, eNB_index %d\n",
msg_name, ITTI_MSG_ORIGIN_NAME(msg_p), instance,
RRC_MAC_CCCH_DATA_REQ (msg_p).frame, RRC_MAC_CCCH_DATA_REQ (msg_p).enb_index);
// TODO process CCCH data req.
break;
#ifdef Rel10
case RRC_MAC_MCCH_DATA_REQ:
LOG_D(MAC, "Received %s from %s: instance %d, frameP %d, eNB_index %d, mbsfn_sync_area %d\n",
msg_name, ITTI_MSG_ORIGIN_NAME(msg_p), instance,
RRC_MAC_MCCH_DATA_REQ (msg_p).frame, RRC_MAC_MCCH_DATA_REQ (msg_p).enb_index, RRC_MAC_MCCH_DATA_REQ (msg_p).mbsfn_sync_area);
// TODO process MCCH data req.
break;
#endif
default:
LOG_E(MAC, "Received unexpected message %s\n", msg_name);
break;
}
result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
}
} while(msg_p != NULL);
#endif
// clear DCI and BCCH contents before scheduling
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
DCI_pdu[CC_id]->Num_common_dci = 0;
DCI_pdu[CC_id]->Num_ue_spec_dci = 0;
eNB_mac_inst[module_idP].common_channels[CC_id].bcch_active = 0;
#ifdef Rel10
eNB_mac_inst[module_idP].common_channels[CC_id].mcch_active =0;
#endif
eNB_mac_inst[module_idP].frame = frameP;
eNB_mac_inst[module_idP].subframe = subframeP;
}
//if (subframeP%5 == 0)
//#ifdef EXMIMO
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, ENB_FLAG_YES, NOT_A_RNTI, frameP, 0,module_idP);
pdcp_run(&ctxt);
//#endif
// check HO
rrc_rx_tx(&ctxt,
0, // eNB index, unused in eNB
CC_id);
#ifdef Rel10
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
if (eNB_mac_inst[module_idP].common_channels[CC_id].MBMS_flag >0) {
start_meas(&eNB_mac_inst[module_idP].schedule_mch);
mbsfn_status[CC_id] = schedule_MBMS(module_idP,CC_id,frameP,subframeP);
stop_meas(&eNB_mac_inst[module_idP].schedule_mch);
}
}
#endif
// refresh UE list based on UEs dropped by PHY in previous subframe
/*
i=UE_list->head;
while (i>=0) {
next_i = UE_list->next[i];
LOG_T(MAC,"UE %d : rnti %x, stats %p\n",i,UE_RNTI(module_idP,i),mac_xface->get_eNB_UE_stats(module_idP,0,UE_RNTI(module_idP,i)));
if (mac_xface->get_eNB_UE_stats(module_idP,0,UE_RNTI(module_idP,i))==NULL) {
mac_remove_ue(module_idP,i,frameP);
}
i=next_i;
}
*/
switch (subframeP) {
case 0:
// FDD/TDD Schedule Downlink RA transmissions (RA response, Msg4 Contention resolution)
// Schedule ULSCH for FDD or subframeP 4 (TDD config 0,3,6)
// Schedule Normal DLSCH
schedule_RA(module_idP,frameP,subframeP,2,nprb,nCCE);
if (mac_xface->lte_frame_parms->frame_type == FDD) { //FDD
schedule_ulsch(module_idP,frameP,cooperation_flag,0,4,nCCE);//,calibration_flag);
} else if ((mac_xface->lte_frame_parms->tdd_config == TDD) || //TDD
(mac_xface->lte_frame_parms->tdd_config == 3) ||
(mac_xface->lte_frame_parms->tdd_config == 6)) {
//schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,4,nCCE);//,calibration_flag);
}
// schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status);
break;
case 1:
// TDD, schedule UL for subframeP 7 (TDD config 0,1) / subframeP 8 (TDD Config 6)
// FDD, schedule normal UL/DLSCH
if (mac_xface->lte_frame_parms->frame_type == TDD) { // TDD
switch (mac_xface->lte_frame_parms->tdd_config) {
case 0:
case 1:
schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,7,nCCE);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
case 6:
schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,8,nCCE);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
default:
break;
}
} else { //FDD
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
schedule_ulsch(module_idP,frameP,cooperation_flag,1,5,nCCE);
}
break;
case 2:
// TDD, nothing
// FDD, normal UL/DLSCH
if (mac_xface->lte_frame_parms->frame_type == FDD) { //FDD
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
schedule_ulsch(module_idP,frameP,cooperation_flag,2,6,nCCE);
}
break;
case 3:
// TDD Config 2, ULSCH for subframeP 7
// TDD Config 2/5 normal DLSCH
// FDD, normal UL/DLSCH
if (mac_xface->lte_frame_parms->frame_type == TDD) {
switch (mac_xface->lte_frame_parms->tdd_config) {
case 2:
schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,7,nCCE);
// no break here!
case 5:
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
default:
break;
}
} else { //FDD
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
schedule_ulsch(module_idP,frameP,cooperation_flag,3,7,nCCE);
}
break;
case 4:
// TDD Config 1, ULSCH for subframeP 8
// TDD Config 1/2/4/5 DLSCH
// FDD UL/DLSCH
if (mac_xface->lte_frame_parms->frame_type == 1) { // TDD
switch (mac_xface->lte_frame_parms->tdd_config) {
case 1:
// schedule_RA(module_idP,frameP,subframeP,nprb,nCCE);
schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,8,nCCE);
// no break here!
case 2:
// no break here!
case 4:
// no break here!
case 5:
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status);
break;
default:
break;
}
} else {
if (mac_xface->lte_frame_parms->frame_type == FDD) { //FDD
// schedule_RA(module_idP,frameP, subframeP, 0, nprb, nCCE);
// schedule_ulsch(module_idP, frameP, cooperation_flag, 4, 8, nCCE);
schedule_ue_spec(module_idP, frameP, subframeP, nprb, nCCE, mbsfn_status);
fill_DLSCH_dci(module_idP, frameP, subframeP, RBalloc, 1, mbsfn_status);
}
}
break;
case 5:
// TDD/FDD Schedule SI
// TDD Config 0,6 ULSCH for subframes 9,3 resp.
// TDD normal DLSCH
// FDD normal UL/DLSCH
schedule_SI(module_idP,frameP,nprb,nCCE);
//schedule_RA(module_idP,frameP,subframeP,5,nprb,nCCE);
if (mac_xface->lte_frame_parms->frame_type == FDD) {
schedule_RA(module_idP,frameP,subframeP,1,nprb,nCCE);
// schedule_ulsch(module_idP,frameP,cooperation_flag,5,9,nCCE);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status);
} else if ((mac_xface->lte_frame_parms->tdd_config == 0) || // TDD Config 0
(mac_xface->lte_frame_parms->tdd_config == 6)) { // TDD Config 6
//schedule_ulsch(module_idP,cooperation_flag,subframeP,nCCE);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
} else {
//schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
}
break;
case 6:
// TDD Config 0,1,6 ULSCH for subframes 2,3
// TDD Config 3,4,5 Normal DLSCH
// FDD normal ULSCH/DLSCH
if (mac_xface->lte_frame_parms->frame_type == TDD) { // TDD
switch (mac_xface->lte_frame_parms->tdd_config) {
case 0:
break;
case 1:
schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,2,nCCE);
// schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
case 6:
schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,3,nCCE);
// schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
case 5:
schedule_RA(module_idP,frameP,subframeP,2,nprb,nCCE);
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status);
break;
case 3:
case 4:
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
default:
break;
}
} else { //FDD
// schedule_ulsch(module_idP,frameP,cooperation_flag,6,0,nCCE);
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
}
break;
case 7:
// TDD Config 3,4,5 Normal DLSCH
// FDD Normal UL/DLSCH
if (mac_xface->lte_frame_parms->frame_type == TDD) { // TDD
switch (mac_xface->lte_frame_parms->tdd_config) {
case 3:
case 4:
schedule_RA(module_idP,frameP,subframeP,3,nprb,nCCE); // 3 = Msg3 subframeP, not
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status);
break;
case 5:
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
default:
break;
}
} else { //FDD
//schedule_ulsch(module_idP,frameP,cooperation_flag,7,1,nCCE);
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
}
break;
case 8:
// TDD Config 2,3,4,5 ULSCH for subframeP 2
//
// FDD Normal UL/DLSCH
if (mac_xface->lte_frame_parms->frame_type == TDD) { // TDD
switch (mac_xface->lte_frame_parms->tdd_config) {
case 2:
case 3:
case 4:
case 5:
// schedule_RA(module_idP,subframeP,nprb,nCCE);
schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,2,nCCE);
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
default:
break;
}
} else { //FDD
//schedule_ulsch(module_idP,frameP,cooperation_flag,8,2,nCCE);
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
}
break;
case 9:
// TDD Config 1,3,4,6 ULSCH for subframes 3,3,3,4
if (mac_xface->lte_frame_parms->frame_type == TDD) {
switch (mac_xface->lte_frame_parms->tdd_config) {
case 1:
schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,3,nCCE);
schedule_RA(module_idP,frameP,subframeP,7,nprb,nCCE); // 7 = Msg3 subframeP, not
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,1,mbsfn_status);
break;
case 3:
case 4:
schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,3,nCCE);
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
case 6:
schedule_ulsch(module_idP,frameP,cooperation_flag,subframeP,4,nCCE);
//schedule_RA(module_idP,frameP,subframeP,nprb,nCCE);
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
case 2:
case 5:
//schedule_RA(module_idP,frameP,subframeP,nprb,nCCE);
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
break;
default:
break;
}
} else { //FDD
// schedule_ulsch(module_idP,frameP,cooperation_flag,9,3,nCCE);
schedule_ue_spec(module_idP,frameP,subframeP,nprb,nCCE,mbsfn_status);
fill_DLSCH_dci(module_idP,frameP,subframeP,RBalloc,0,mbsfn_status);
}
break;
}
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
DCI_pdu[CC_id]->nCCE = nCCE[CC_id];
}
LOG_D(MAC,"frameP %d, subframeP %d nCCE %d\n",frameP,subframeP,nCCE[0]);
stop_meas(&eNB_mac_inst[module_idP].eNB_scheduler);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ULSCH_SCHEDULER,VCD_FUNCTION_OUT);
}
//-------------------------------------------------------------------------------------------//
int8_t mac_rrc_lite_data_req(module_id_t Mod_idP, frame_t frameP, uint16_t Srb_id, uint8_t Nb_tb, uint8_t *buffer_pP, eNB_flag_t enb_flagP, uint8_t eNB_index,
uint8_t mbsfn_sync_area) {
//-------------------------------------------------------------------------------------------//
SRB_INFO *Srb_info;
uint8_t Sdu_size=0;
#ifdef DEBUG_RRC
int i;
LOG_D(RRC,"[eNB %d] mac_rrc_data_req to SRB ID=%d\n",Mod_idP,Srb_id);
#endif
if( enb_flagP == ENB_FLAG_YES){
if((Srb_id & RAB_OFFSET) == BCCH){
if(eNB_rrc_inst[Mod_idP].SI.Active==0) return 0;
// All even frames transmit SIB in SF 5
if (eNB_rrc_inst[Mod_idP].sizeof_SIB1 == 255) {
LOG_E(RRC,"[eNB %d] MAC Request for SIB1 and SIB1 not initialized\n",Mod_idP);
mac_xface->macphy_exit("");
}
if ((frameP%2) == 0) {
memcpy(&buffer_pP[0],eNB_rrc_inst[Mod_idP].SIB1,eNB_rrc_inst[Mod_idP].sizeof_SIB1);
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
int sib1_size = eNB_rrc_inst[Mod_idP].sizeof_SIB1;
int sdu_size = sizeof(RRC_MAC_BCCH_DATA_REQ (message_p).sdu);
if (sib1_size > sdu_size)
{
LOG_E(RRC, "SIB1 SDU larger than BCCH SDU buffer size (%d, %d)", sib1_size, sdu_size);
sib1_size = sdu_size;
}
message_p = itti_alloc_new_message (TASK_RRC_ENB, RRC_MAC_BCCH_DATA_REQ);
RRC_MAC_BCCH_DATA_REQ (message_p).frame = frameP;
RRC_MAC_BCCH_DATA_REQ (message_p).sdu_size = sib1_size;
memset (RRC_MAC_BCCH_DATA_REQ (message_p).sdu, 0, sizeof(RRC_MAC_BCCH_DATA_REQ (message_p).sdu));
memcpy (RRC_MAC_BCCH_DATA_REQ (message_p).sdu, eNB_rrc_inst[Mod_idP].SIB1, sib1_size);
RRC_MAC_BCCH_DATA_REQ (message_p).enb_index = eNB_index;
itti_send_msg_to_task (TASK_MAC_ENB, Mod_idP, message_p);
}
#endif
#ifdef DEBUG_RRC
LOG_D(RRC,"[eNB %d] Frame %d : BCCH request => SIB 1\n",Mod_idP,frameP);
for (i=0;i<eNB_rrc_inst[Mod_idP].sizeof_SIB1;i++)
LOG_T(RRC,"%x.",buffer_pP[i]);
LOG_T(RRC,"\n");
#endif
return (eNB_rrc_inst[Mod_idP].sizeof_SIB1);
} // All RFN mod 8 transmit SIB2-3 in SF 5
else if ((frameP%8) == 1){
memcpy(&buffer_pP[0],eNB_rrc_inst[Mod_idP].SIB23,eNB_rrc_inst[Mod_idP].sizeof_SIB23);
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
int sib23_size = eNB_rrc_inst[Mod_idP].sizeof_SIB23;
int sdu_size = sizeof(RRC_MAC_BCCH_DATA_REQ (message_p).sdu);
if (sib23_size > sdu_size)
{
LOG_E(RRC, "SIB23 SDU larger than BCCH SDU buffer size (%d, %d)", sib23_size, sdu_size);
sib23_size = sdu_size;
}
message_p = itti_alloc_new_message (TASK_RRC_ENB, RRC_MAC_BCCH_DATA_REQ);
RRC_MAC_BCCH_DATA_REQ (message_p).frame = frameP;
RRC_MAC_BCCH_DATA_REQ (message_p).sdu_size = sib23_size;
memset (RRC_MAC_BCCH_DATA_REQ (message_p).sdu, 0, sizeof(RRC_MAC_BCCH_DATA_REQ (message_p).sdu));
memcpy (RRC_MAC_BCCH_DATA_REQ (message_p).sdu, eNB_rrc_inst[Mod_idP].SIB23, sib23_size);
RRC_MAC_BCCH_DATA_REQ (message_p).enb_index = eNB_index;
itti_send_msg_to_task (TASK_MAC_ENB, Mod_idP, message_p);
}
#endif
#ifdef DEBUG_RRC
LOG_D(RRC,"[eNB %d] Frame %d BCCH request => SIB 2-3\n",Mod_idP,frameP);
for (i=0;i<eNB_rrc_inst[Mod_idP].sizeof_SIB23;i++)
LOG_T(RRC,"%x.",buffer_pP[i]);
LOG_T(RRC,"\n");
#endif
return(eNB_rrc_inst[Mod_idP].sizeof_SIB23);
}
else
return(0);
}
if( (Srb_id & RAB_OFFSET ) == CCCH){
LOG_D(RRC,"[eNB %d] Frame %d CCCH request (Srb_id %d)\n",Mod_idP,frameP, Srb_id);
if(eNB_rrc_inst[Mod_idP].Srb0.Active==0) {
LOG_E(RRC,"[eNB %d] CCCH Not active\n",Mod_idP);
return -1;
}
Srb_info=&eNB_rrc_inst[Mod_idP].Srb0;
// check if data is there for MAC
if(Srb_info->Tx_buffer.payload_size>0){//Fill buffer
LOG_D(RRC,"[eNB %d] CCCH (%p) has %d bytes (dest: %p, src %p)\n",Mod_idP,Srb_info,Srb_info->Tx_buffer.payload_size,buffer_pP,Srb_info->Tx_buffer.Payload);
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
int ccch_size = Srb_info->Tx_buffer.payload_size;
int sdu_size = sizeof(RRC_MAC_CCCH_DATA_REQ (message_p).sdu);
if (ccch_size > sdu_size) {
LOG_E(RRC, "SDU larger than CCCH SDU buffer size (%d, %d)", ccch_size, sdu_size);
ccch_size = sdu_size;
}
message_p = itti_alloc_new_message (TASK_RRC_ENB, RRC_MAC_CCCH_DATA_REQ);
RRC_MAC_CCCH_DATA_REQ (message_p).frame = frameP;
RRC_MAC_CCCH_DATA_REQ (message_p).sdu_size = ccch_size;
memset (RRC_MAC_BCCH_DATA_REQ (message_p).sdu, 0, sizeof(RRC_MAC_BCCH_DATA_REQ (message_p).sdu));
memcpy (RRC_MAC_CCCH_DATA_REQ (message_p).sdu, Srb_info->Tx_buffer.Payload, ccch_size);
RRC_MAC_CCCH_DATA_REQ (message_p).enb_index = eNB_index;
itti_send_msg_to_task (TASK_MAC_ENB, Mod_idP, message_p);
}
#endif
memcpy(buffer_pP,Srb_info->Tx_buffer.Payload,Srb_info->Tx_buffer.payload_size);
Sdu_size = Srb_info->Tx_buffer.payload_size;
Srb_info->Tx_buffer.payload_size=0;
}
return (Sdu_size);
}
#ifdef Rel10
if((Srb_id & RAB_OFFSET) == MCCH){
if(eNB_rrc_inst[Mod_idP].MCCH_MESS[mbsfn_sync_area].Active==0) return 0; // this parameter is set in function init_mcch in rrc_eNB.c
// this part not needed as it is done in init_mcch
/* if (eNB_rrc_inst[Mod_id].sizeof_MCCH_MESSAGE[mbsfn_sync_area] == 255) {
LOG_E(RRC,"[eNB %d] MAC Request for MCCH MESSAGE and MCCH MESSAGE is not initialized\n",Mod_id);
mac_xface->macphy_exit("");
}*/
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
int mcch_size = eNB_rrc_inst[Mod_idP].sizeof_MCCH_MESSAGE[mbsfn_sync_area];
int sdu_size = sizeof(RRC_MAC_MCCH_DATA_REQ (message_p).sdu);
if (mcch_size > sdu_size) {
LOG_E(RRC, "SDU larger than MCCH SDU buffer size (%d, %d)", mcch_size, sdu_size);
mcch_size = sdu_size;
}
message_p = itti_alloc_new_message (TASK_RRC_ENB, RRC_MAC_MCCH_DATA_REQ);
RRC_MAC_MCCH_DATA_REQ (message_p).frame = frameP;
RRC_MAC_MCCH_DATA_REQ (message_p).sdu_size = mcch_size;
memset (RRC_MAC_BCCH_DATA_REQ (message_p).sdu, 0, sizeof(RRC_MAC_BCCH_DATA_REQ (message_p).sdu));
memcpy (RRC_MAC_MCCH_DATA_REQ (message_p).sdu, eNB_rrc_inst[Mod_idP].MCCH_MESSAGE[mbsfn_sync_area], mcch_size);
RRC_MAC_MCCH_DATA_REQ (message_p).enb_index = eNB_index;
RRC_MAC_MCCH_DATA_REQ (message_p).mbsfn_sync_area = mbsfn_sync_area;
itti_send_msg_to_task (TASK_MAC_ENB, Mod_idP, message_p);
}
#endif
memcpy(&buffer_pP[0],
eNB_rrc_inst[Mod_idP].MCCH_MESSAGE[mbsfn_sync_area],
eNB_rrc_inst[Mod_idP].sizeof_MCCH_MESSAGE[mbsfn_sync_area]);
#ifdef DEBUG_RRC
LOG_D(RRC,"[eNB %d] Frame %d : MCCH request => MCCH_MESSAGE \n",Mod_idP,frameP);
for (i=0;i<eNB_rrc_inst[Mod_idP].sizeof_MCCH_MESSAGE[mbsfn_sync_area];i++)
LOG_T(RRC,"%x.",buffer_pP[i]);
LOG_T(RRC,"\n");
#endif
return (eNB_rrc_inst[Mod_idP].sizeof_MCCH_MESSAGE[mbsfn_sync_area]);
// }
//else
//return(0);
}
#endif //Rel10
}
else{ //This is an UE
#ifdef DEBUG_RRC
LOG_D(RRC,"[UE %d] Frame %d Filling CCCH SRB_ID %d\n",Mod_idP,frameP,Srb_id);
LOG_D(RRC,"[UE %d] Frame %d buffer_pP status %d,\n",Mod_idP,frameP, UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size);
#endif
if( (UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size > 0) ) {
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
int ccch_size = UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size;
int sdu_size = sizeof(RRC_MAC_CCCH_DATA_REQ (message_p).sdu);
if (ccch_size > sdu_size) {
LOG_E(RRC, "SDU larger than CCCH SDU buffer size (%d, %d)", ccch_size, sdu_size);
ccch_size = sdu_size;
}
message_p = itti_alloc_new_message (TASK_RRC_UE, RRC_MAC_CCCH_DATA_REQ);
RRC_MAC_CCCH_DATA_REQ (message_p).frame = frameP;
RRC_MAC_CCCH_DATA_REQ (message_p).sdu_size = ccch_size;
memset (RRC_MAC_BCCH_DATA_REQ (message_p).sdu, 0, sizeof(RRC_MAC_BCCH_DATA_REQ (message_p).sdu));
memcpy (RRC_MAC_CCCH_DATA_REQ (message_p).sdu, UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.Payload, ccch_size);
RRC_MAC_CCCH_DATA_REQ (message_p).enb_index = eNB_index;
itti_send_msg_to_task (TASK_MAC_UE, Mod_idP + NB_eNB_INST, message_p);
}
#endif
memcpy(&buffer_pP[0],&UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.Payload[0],UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size);
uint8_t Ret_size=UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size;
// UE_rrc_inst[Mod_id].Srb0[eNB_index].Tx_buffer.payload_size=0;
UE_rrc_inst[Mod_idP].Info[eNB_index].T300_active = 1;
UE_rrc_inst[Mod_idP].Info[eNB_index].T300_cnt = 0;
// msg("[RRC][UE %d] Sending rach\n",Mod_id);
return(Ret_size);
}
else{
return 0;
}
}
return(0);
}