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);
}
//-----------------------------------------------------------------------------
void mac_rlc_data_ind (
const module_id_t module_idP,
const rnti_t rntiP,
const module_id_t eNB_index,
const frame_t frameP,
const eNB_flag_t enb_flagP,
const MBMS_flag_t MBMS_flagP,
const logical_chan_id_t channel_idP,
char *buffer_pP,
const tb_size_t tb_sizeP,
num_tb_t num_tbP,
crc_t *crcs_pP)
{
//-----------------------------------------------------------------------------
rb_id_t rb_id = 0;
rlc_mode_t rlc_mode = RLC_MODE_NONE;
rlc_mbms_id_t *mbms_id_p = NULL;
rlc_union_t *rlc_union_p = NULL;
hash_key_t key = HASHTABLE_NOT_A_KEY_VALUE;
hashtable_rc_t h_rc;
srb_flag_t srb_flag = (channel_idP <= 2) ? SRB_FLAG_YES : SRB_FLAG_NO;
protocol_ctxt_t ctxt;
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, enb_flagP, rntiP, frameP, 0, eNB_index);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_MAC_RLC_DATA_IND,VCD_FUNCTION_IN);
#ifdef DEBUG_MAC_INTERFACE
if (num_tbP) {
LOG_D(RLC, PROTOCOL_CTXT_FMT" MAC_RLC_DATA_IND on channel %d (%d), rb max %d, Num_tb %d\n",
PROTOCOL_CTXT_ARGS(&ctxt),
channel_idP,
RLC_MAX_LC,
NB_RB_MAX,
num_tbP);
}
#endif // DEBUG_MAC_INTERFACE
#ifdef OAI_EMU
if (MBMS_flagP)
AssertFatal (channel_idP < RLC_MAX_MBMS_LC, "channel id is too high (%u/%d)!\n",
channel_idP, RLC_MAX_MBMS_LC);
else
AssertFatal (channel_idP < NB_RB_MAX, "channel id is too high (%u/%d)!\n",
channel_idP, NB_RB_MAX);
CHECK_CTXT_ARGS(&ctxt);
#endif
if (MBMS_flagP) {
if (BOOL_NOT(enb_flagP)) {
mbms_id_p = &rlc_mbms_lcid2service_session_id_ue[module_idP][channel_idP];
key = RLC_COLL_KEY_MBMS_VALUE(module_idP, rntiP, enb_flagP, mbms_id_p->service_id, mbms_id_p->session_id);
} else {
return;
}
} else {
if (channel_idP > 2) {
rb_id = channel_idP - 2;
} else {
rb_id = channel_idP;
}
key = RLC_COLL_KEY_VALUE(module_idP, rntiP, enb_flagP, rb_id, srb_flag);
}
h_rc = hashtable_get(rlc_coll_p, key, (void**)&rlc_union_p);
if (h_rc == HASH_TABLE_OK) {
rlc_mode = rlc_union_p->mode;
} else {
rlc_mode = RLC_MODE_NONE;
//AssertFatal (0 , "%s RLC not configured rb id %u lcid %u module %u!\n", __FUNCTION__, rb_id, channel_idP, ue_module_idP);
}
struct mac_data_ind data_ind = mac_rlc_deserialize_tb(buffer_pP, tb_sizeP, num_tbP, crcs_pP);
switch (rlc_mode) {
case RLC_MODE_NONE:
//handle_event(WARNING,"FILE %s FONCTION mac_rlc_data_ind() LINE %s : no radio bearer configured :%d\n", __FILE__, __LINE__, channel_idP);
break;
case RLC_MODE_AM:
rlc_am_mac_data_indication(&ctxt, &rlc_union_p->rlc.am, data_ind);
break;
case RLC_MODE_UM:
rlc_um_mac_data_indication(&ctxt, &rlc_union_p->rlc.um, data_ind);
break;
case RLC_MODE_TM:
rlc_tm_mac_data_indication(&ctxt, &rlc_union_p->rlc.tm, data_ind);
break;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_MAC_RLC_DATA_IND,VCD_FUNCTION_OUT);
}
//-----------------------------------------------------------------------------
mac_rlc_status_resp_t mac_rlc_status_ind(
const module_id_t module_idP,
const rnti_t rntiP,
const eNB_index_t eNB_index,
const frame_t frameP,
const eNB_flag_t enb_flagP,
const MBMS_flag_t MBMS_flagP,
const logical_chan_id_t channel_idP,
const tb_size_t tb_sizeP)
{
//-----------------------------------------------------------------------------
mac_rlc_status_resp_t mac_rlc_status_resp;
struct mac_status_ind tx_status;
struct mac_status_resp status_resp;
rb_id_t rb_id = 0;
rlc_mode_t rlc_mode = RLC_MODE_NONE;
rlc_mbms_id_t *mbms_id_p = NULL;
rlc_union_t *rlc_union_p = NULL;
hash_key_t key = HASHTABLE_NOT_A_KEY_VALUE;
hashtable_rc_t h_rc;
srb_flag_t srb_flag = (channel_idP <= 2) ? SRB_FLAG_YES : SRB_FLAG_NO;
protocol_ctxt_t ctxt;
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, enb_flagP, rntiP, frameP, 0, eNB_index);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_MAC_RLC_STATUS_IND,VCD_FUNCTION_IN);
memset (&mac_rlc_status_resp, 0, sizeof(mac_rlc_status_resp_t));
memset (&tx_status , 0, sizeof(struct mac_status_ind));
#ifdef OAI_EMU
if (MBMS_flagP)
AssertFatal (channel_idP < RLC_MAX_MBMS_LC,
"%s channel id is too high (%u/%d) enb module id %u ue %u!\n",
(enb_flagP) ? "eNB" : "UE",
channel_idP,
RLC_MAX_MBMS_LC,
module_idP,
rntiP);
else
AssertFatal (channel_idP < NB_RB_MAX,
"%s channel id is too high (%u/%d) enb module id %u ue %u!\n",
(enb_flagP) ? "eNB" : "UE",
channel_idP,
NB_RB_MAX,
module_idP,
rntiP);
CHECK_CTXT_ARGS(&ctxt);
#endif
if (MBMS_flagP) {
if (enb_flagP) {
mbms_id_p = &rlc_mbms_lcid2service_session_id_eNB[module_idP][channel_idP];
} else {
mbms_id_p = &rlc_mbms_lcid2service_session_id_ue[module_idP][channel_idP];
}
key = RLC_COLL_KEY_MBMS_VALUE(module_idP, rntiP, enb_flagP, mbms_id_p->service_id, mbms_id_p->session_id);
} else {
if (channel_idP > 2) {
rb_id = channel_idP - 2;
} else {
rb_id = channel_idP;
}
key = RLC_COLL_KEY_VALUE(module_idP, rntiP, enb_flagP, rb_id, srb_flag);
}
h_rc = hashtable_get(rlc_coll_p, key, (void**)&rlc_union_p);
if (h_rc == HASH_TABLE_OK) {
rlc_mode = rlc_union_p->mode;
} else {
rlc_mode = RLC_MODE_NONE;
//LOG_W(RLC , "[%s] RLC not configured rb id %u lcid %u module %u!\n", __FUNCTION__, rb_id, channel_idP, ue_module_idP);
//LOG_D(RLC , "[%s] RLC not configured rb id %u lcid %u module %u!\n", __FUNCTION__, rb_id, channel_idP, ue_module_idP);
}
switch (rlc_mode) {
case RLC_MODE_NONE:
//handle_event(WARNING,"FILE %s FONCTION mac_rlc_data_ind() LINE %s : no radio bearer configured :%d\n", __FILE__, __LINE__, channel_idP);
mac_rlc_status_resp.bytes_in_buffer = 0;
break;
case RLC_MODE_AM:
status_resp = rlc_am_mac_status_indication(&ctxt, &rlc_union_p->rlc.am, tb_sizeP, tx_status);
mac_rlc_status_resp.bytes_in_buffer = status_resp.buffer_occupancy_in_bytes;
mac_rlc_status_resp.head_sdu_creation_time = status_resp.head_sdu_creation_time;
mac_rlc_status_resp.head_sdu_remaining_size_to_send = status_resp.head_sdu_remaining_size_to_send;
mac_rlc_status_resp.head_sdu_is_segmented = status_resp.head_sdu_is_segmented;
//return mac_rlc_status_resp;
break;
case RLC_MODE_UM:
status_resp = rlc_um_mac_status_indication(&ctxt, &rlc_union_p->rlc.um, tb_sizeP, tx_status);
mac_rlc_status_resp.bytes_in_buffer = status_resp.buffer_occupancy_in_bytes;
mac_rlc_status_resp.pdus_in_buffer = status_resp.buffer_occupancy_in_pdus;
mac_rlc_status_resp.head_sdu_creation_time = status_resp.head_sdu_creation_time;
mac_rlc_status_resp.head_sdu_remaining_size_to_send = status_resp.head_sdu_remaining_size_to_send;
mac_rlc_status_resp.head_sdu_is_segmented = status_resp.head_sdu_is_segmented;
// return mac_rlc_status_resp;
break;
case RLC_MODE_TM:
status_resp = rlc_tm_mac_status_indication(&ctxt, &rlc_union_p->rlc.tm, tb_sizeP, tx_status);
mac_rlc_status_resp.bytes_in_buffer = status_resp.buffer_occupancy_in_bytes;
mac_rlc_status_resp.pdus_in_buffer = status_resp.buffer_occupancy_in_pdus;
// return mac_rlc_status_resp;
break;
default:
mac_rlc_status_resp.bytes_in_buffer = 0 ;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_MAC_RLC_STATUS_IND,VCD_FUNCTION_OUT);
return mac_rlc_status_resp;
}
//-----------------------------------------------------------------------------
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;
}
//-----------------------------------------------------------------------------
tbs_size_t mac_rlc_data_req(
const module_id_t module_idP,
const rnti_t rntiP,
const eNB_index_t eNB_index,
const frame_t frameP,
const eNB_flag_t enb_flagP,
const MBMS_flag_t MBMS_flagP,
const logical_chan_id_t channel_idP,
char *buffer_pP)
{
//-----------------------------------------------------------------------------
struct mac_data_req data_request;
rb_id_t rb_id = 0;
rlc_mode_t rlc_mode = RLC_MODE_NONE;
rlc_mbms_id_t *mbms_id_p = NULL;
rlc_union_t *rlc_union_p = NULL;
hash_key_t key = HASHTABLE_NOT_A_KEY_VALUE;
hashtable_rc_t h_rc;
srb_flag_t srb_flag = (channel_idP <= 2) ? SRB_FLAG_YES : SRB_FLAG_NO;
tbs_size_t ret_tb_size = 0;
protocol_ctxt_t ctxt;
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, enb_flagP, rntiP, frameP, 0,eNB_index);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_MAC_RLC_DATA_REQ,VCD_FUNCTION_IN);
#ifdef DEBUG_MAC_INTERFACE
LOG_D(RLC, PROTOCOL_CTXT_FMT" MAC_RLC_DATA_REQ channel %d (%d) MAX RB %d, Num_tb %d\n",
PROTOCOL_CTXT_ARGS((&ctxt)),
channel_idP,
RLC_MAX_LC,
NB_RB_MAX);
#endif // DEBUG_MAC_INTERFACE
if (MBMS_flagP) {
AssertFatal (channel_idP < RLC_MAX_MBMS_LC, "channel id is too high (%u/%d)!\n", channel_idP, RLC_MAX_MBMS_LC);
} else {
AssertFatal (channel_idP < NB_RB_MAX, "channel id is too high (%u/%d)!\n", channel_idP, NB_RB_MAX);
}
#ifdef OAI_EMU
CHECK_CTXT_ARGS(&ctxt);
//printf("MBMS_flagP %d, MBMS_FLAG_NO %d \n",MBMS_flagP, MBMS_FLAG_NO);
// AssertFatal (MBMS_flagP == MBMS_FLAG_NO ," MBMS FLAG SHOULD NOT BE SET IN mac_rlc_data_req in UE\n");
#endif
if (MBMS_flagP) {
if (enb_flagP) {
mbms_id_p = &rlc_mbms_lcid2service_session_id_eNB[module_idP][channel_idP];
key = RLC_COLL_KEY_MBMS_VALUE(module_idP, rntiP, enb_flagP, mbms_id_p->service_id, mbms_id_p->session_id);
} else {
return (tbs_size_t)0;
}
} else {
if (channel_idP > 2) {
rb_id = channel_idP - 2;
} else {
rb_id = channel_idP;
}
key = RLC_COLL_KEY_VALUE(module_idP, rntiP, enb_flagP, rb_id, srb_flag);
}
h_rc = hashtable_get(rlc_coll_p, key, (void**)&rlc_union_p);
if (h_rc == HASH_TABLE_OK) {
rlc_mode = rlc_union_p->mode;
} else {
rlc_mode = RLC_MODE_NONE;
AssertFatal (0 , "RLC not configured rb id %u lcid %u RNTI %x!\n", rb_id, channel_idP, rntiP);
}
switch (rlc_mode) {
case RLC_MODE_NONE:
ret_tb_size =0;
break;
case RLC_MODE_AM:
data_request = rlc_am_mac_data_request(&ctxt, &rlc_union_p->rlc.am);
ret_tb_size =mac_rlc_serialize_tb(buffer_pP, data_request.data);
break;
case RLC_MODE_UM:
data_request = rlc_um_mac_data_request(&ctxt, &rlc_union_p->rlc.um);
ret_tb_size = mac_rlc_serialize_tb(buffer_pP, data_request.data);
break;
case RLC_MODE_TM:
data_request = rlc_tm_mac_data_request(&ctxt, &rlc_union_p->rlc.tm);
ret_tb_size = mac_rlc_serialize_tb(buffer_pP, data_request.data);
break;
default:
;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_MAC_RLC_DATA_REQ,VCD_FUNCTION_OUT);
return ret_tb_size;
}
//-----------------------------------------------------------------------------
int
pdcp_validate_security(
const protocol_ctxt_t* const ctxt_pP,
pdcp_t * const pdcp_pP,
const srb_flag_t srb_flagP,
const rb_id_t rb_id,
const uint8_t pdcp_header_len,
const uint16_t current_sn,
uint8_t *const pdcp_pdu_buffer,
const uint16_t sdu_buffer_size
)
{
uint8_t *buffer_decrypted = NULL;
stream_cipher_t decrypt_params;
DevAssert(pdcp_pP != NULL);
DevAssert(pdcp_pdu_buffer != NULL);
DevCheck(rb_id < NB_RB_MAX && rb_id >= 0, rb_id, NB_RB_MAX, 0);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDCP_VALIDATE_SECURITY, VCD_FUNCTION_IN);
buffer_decrypted = (uint8_t*)&pdcp_pdu_buffer[pdcp_header_len];
decrypt_params.direction = (pdcp_pP->is_ue == 1) ? SECU_DIRECTION_DOWNLINK : SECU_DIRECTION_UPLINK ;
decrypt_params.bearer = rb_id - 1;
decrypt_params.count = pdcp_get_next_count_rx(pdcp_pP, srb_flagP, current_sn);
decrypt_params.message = &pdcp_pdu_buffer[pdcp_header_len];
decrypt_params.blength = (sdu_buffer_size - pdcp_header_len) << 3;
decrypt_params.key_length = 16;
if (srb_flagP) {
LOG_D(PDCP, "[OSA][RB %d] %s Validating control-plane security\n",
rb_id, (pdcp_pP->is_ue != 0) ? "eNB -> UE" : "UE -> eNB");
decrypt_params.key = pdcp_pP->kRRCenc;// + 128;
} else {
LOG_D(PDCP, "[OSA][RB %d] %s Validating user-plane security\n",
rb_id, (pdcp_pP->is_ue != 0) ? "eNB -> UE" : "UE -> eNB");
decrypt_params.key = pdcp_pP->kUPenc;// + 128;
}
/* Uncipher the block */
stream_decrypt(pdcp_pP->cipheringAlgorithm,
&decrypt_params,
&buffer_decrypted);
if (srb_flagP) {
/* Now check the integrity of the complete PDU */
decrypt_params.message = pdcp_pdu_buffer;
decrypt_params.blength = sdu_buffer_size << 3;
decrypt_params.key = pdcp_pP->kRRCint + 16;// 128;
if (stream_check_integrity(pdcp_pP->integrityProtAlgorithm,
&decrypt_params,
&pdcp_pdu_buffer[sdu_buffer_size]) != 0) {
MSC_LOG_EVENT(
(ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_PDCP_ENB:MSC_PDCP_UE,
" Security: failed MAC-I Algo %X UE %"PRIx16" ",
pdcp_pP->integrityProtAlgorithm,
ctxt_pP->rnti);
LOG_E(PDCP, "[OSA][RB %d] %s failed to validate MAC-I of incoming PDU\n",
rb_id, (pdcp_pP->is_ue != 0) ? "UE" : "eNB");
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDCP_VALIDATE_SECURITY, VCD_FUNCTION_OUT);
return -1;
}
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDCP_VALIDATE_SECURITY, VCD_FUNCTION_OUT);
return 0;
}
int dlsch_encoding(unsigned char *a,
LTE_DL_FRAME_PARMS *frame_parms,
uint8_t num_pdcch_symbols,
LTE_eNB_DLSCH_t *dlsch,
int frame,
uint8_t subframe,
time_stats_t *rm_stats,
time_stats_t *te_stats,
time_stats_t *i_stats)
{
unsigned int G;
unsigned int crc=1;
unsigned short iind;
unsigned char harq_pid = dlsch->current_harq_pid;
unsigned short nb_rb = dlsch->harq_processes[harq_pid]->nb_rb;
unsigned int A;
unsigned char mod_order;
unsigned int Kr=0,Kr_bytes,r,r_offset=0;
unsigned short m=dlsch->harq_processes[harq_pid]->mcs;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ENCODING, VCD_FUNCTION_IN);
A = dlsch->harq_processes[harq_pid]->TBS; //6228
// printf("Encoder: A: %d\n",A);
mod_order = get_Qm(dlsch->harq_processes[harq_pid]->mcs);
G = get_G(frame_parms,nb_rb,dlsch->harq_processes[harq_pid]->rb_alloc,mod_order,dlsch->harq_processes[harq_pid]->Nl,num_pdcch_symbols,frame,subframe);
// if (dlsch->harq_processes[harq_pid]->Ndi == 1) { // this is a new packet
if (dlsch->harq_processes[harq_pid]->round == 0) { // this is a new packet
/*
int i;
printf("dlsch (tx): \n");
for (i=0;i<(A>>3);i++)
printf("%02x.",a[i]);
printf("\n");
*/
// Add 24-bit crc (polynomial A) to payload
crc = crc24a(a,
A)>>8;
a[A>>3] = ((uint8_t*)&crc)[2];
a[1+(A>>3)] = ((uint8_t*)&crc)[1];
a[2+(A>>3)] = ((uint8_t*)&crc)[0];
// printf("CRC %x (A %d)\n",crc,A);
dlsch->harq_processes[harq_pid]->B = A+24;
// dlsch->harq_processes[harq_pid]->b = a;
memcpy(dlsch->harq_processes[harq_pid]->b,a,(A/8)+4);
if (lte_segmentation(dlsch->harq_processes[harq_pid]->b,
dlsch->harq_processes[harq_pid]->c,
dlsch->harq_processes[harq_pid]->B,
&dlsch->harq_processes[harq_pid]->C,
&dlsch->harq_processes[harq_pid]->Cplus,
&dlsch->harq_processes[harq_pid]->Cminus,
&dlsch->harq_processes[harq_pid]->Kplus,
&dlsch->harq_processes[harq_pid]->Kminus,
&dlsch->harq_processes[harq_pid]->F)<0)
return(-1);
for (r=0; r<dlsch->harq_processes[harq_pid]->C; r++) {
if (r<dlsch->harq_processes[harq_pid]->Cminus)
Kr = dlsch->harq_processes[harq_pid]->Kminus;
else
Kr = dlsch->harq_processes[harq_pid]->Kplus;
Kr_bytes = Kr>>3;
// get interleaver index for Turbo code (lookup in Table 5.1.3-3 36-212, V8.6 2009-03, p. 13-14)
if (Kr_bytes<=64)
iind = (Kr_bytes-5);
else if (Kr_bytes <=128)
iind = 59 + ((Kr_bytes-64)>>1);
else if (Kr_bytes <= 256)
iind = 91 + ((Kr_bytes-128)>>2);
else if (Kr_bytes <= 768)
//-----------------------------------------------------------------------------
int
pdcp_apply_security(
const protocol_ctxt_t* const ctxt_pP,
pdcp_t *const pdcp_pP,
const srb_flag_t srb_flagP,
const rb_id_t rb_id,
const uint8_t pdcp_header_len,
const uint16_t current_sn,
uint8_t * const pdcp_pdu_buffer,
const uint16_t sdu_buffer_size
)
{
uint8_t *buffer_encrypted = NULL;
stream_cipher_t encrypt_params;
DevAssert(pdcp_pP != NULL);
DevAssert(pdcp_pdu_buffer != NULL);
DevCheck(rb_id < NB_RB_MAX && rb_id >= 0, rb_id, NB_RB_MAX, 0);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDCP_APPLY_SECURITY, VCD_FUNCTION_IN);
encrypt_params.direction = (pdcp_pP->is_ue == 1) ? SECU_DIRECTION_UPLINK : SECU_DIRECTION_DOWNLINK;
encrypt_params.bearer = rb_id - 1;
encrypt_params.count = pdcp_get_next_count_tx(pdcp_pP, srb_flagP, current_sn);
encrypt_params.key_length = 16;
if (srb_flagP) {
/* SRBs */
uint8_t *mac_i;
LOG_D(PDCP, "[OSA][RB %d] %s Applying control-plane security %d \n",
rb_id, (pdcp_pP->is_ue != 0) ? "UE -> eNB" : "eNB -> UE", pdcp_pP->integrityProtAlgorithm);
encrypt_params.message = pdcp_pdu_buffer;
encrypt_params.blength = (pdcp_header_len + sdu_buffer_size) << 3;
encrypt_params.key = pdcp_pP->kRRCint + 16; // + 128;
mac_i = &pdcp_pdu_buffer[pdcp_header_len + sdu_buffer_size];
/* Both header and data parts are integrity protected for
* control-plane PDUs */
stream_compute_integrity(pdcp_pP->integrityProtAlgorithm,
&encrypt_params,
mac_i);
encrypt_params.key = pdcp_pP->kRRCenc; // + 128 // bit key
} else {
LOG_D(PDCP, "[OSA][RB %d] %s Applying user-plane security\n",
rb_id, (pdcp_pP->is_ue != 0) ? "UE -> eNB" : "eNB -> UE");
encrypt_params.key = pdcp_pP->kUPenc;// + 128;
}
encrypt_params.message = &pdcp_pdu_buffer[pdcp_header_len];
encrypt_params.blength = sdu_buffer_size << 3;
buffer_encrypted = &pdcp_pdu_buffer[pdcp_header_len];
/* Apply ciphering if any requested */
stream_encrypt(pdcp_pP->cipheringAlgorithm,
&encrypt_params,
&buffer_encrypted);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDCP_APPLY_SECURITY, VCD_FUNCTION_OUT);
return 0;
}
//log record, format, and print: executed in the main thread (mt)
void logRecord_mt(const char *file, const char *func, int line, int comp,
int level, const char *format, ...)
{
int len = 0;
va_list args;
log_component_t *c;
char *log_start;
char *log_end;
/* The main difference with the version above is the use of this local log_buffer.
* The other difference is the return value of snprintf which was not used
* correctly. It was not a big problem because in practice MAX_LOG_TOTAL is
* big enough so that the buffer is never full.
*/
char log_buffer[MAX_LOG_TOTAL];
/* for no gcc warnings */
(void)log_start;
(void)log_end;
c = &g_log->log_component[comp];
// do not apply filtering for LOG_F
// only log messages which are enabled and are below the global log level and component's level threshold
if ((level != LOG_FILE) && ((level > c->level) || (level > g_log->level))) {
/* if ((level != LOG_FILE) &&
((level > c->level) ||
(level > g_log->level) ||
( c->level > g_log->level))) {
*/
return;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LOG_RECORD,
VCD_FUNCTION_IN);
va_start(args, format);
// adjust syslog level for TRACE messages
if (g_log->syslog) {
if (g_log->level > LOG_DEBUG) {
g_log->level = LOG_DEBUG;
}
}
// make sure that for log trace the extra info is only printed once, reset when the level changes
if ((level == LOG_FILE) || (c->flag == LOG_NONE) || (level == LOG_TRACE)) {
log_start = log_buffer;
len = vsnprintf(log_buffer, MAX_LOG_TOTAL, format, args);
if (len > MAX_LOG_TOTAL) len = MAX_LOG_TOTAL;
log_end = log_buffer + len;
} else {
if ( (g_log->flag & FLAG_COLOR) || (c->flag & FLAG_COLOR) ) {
len += snprintf(&log_buffer[len], MAX_LOG_TOTAL - len, "%s",
log_level_highlight_start[level]);
if (len > MAX_LOG_TOTAL) len = MAX_LOG_TOTAL;
}
log_start = log_buffer + len;
if ( (g_log->flag & FLAG_COMP) || (c->flag & FLAG_COMP) ) {
len += snprintf(&log_buffer[len], MAX_LOG_TOTAL - len, "[%s]",
g_log->log_component[comp].name);
if (len > MAX_LOG_TOTAL) len = MAX_LOG_TOTAL;
}
if ( (g_log->flag & FLAG_LEVEL) || (c->flag & FLAG_LEVEL) ) {
len += snprintf(&log_buffer[len], MAX_LOG_TOTAL - len, "[%s]",
g_log->level2string[level]);
if (len > MAX_LOG_TOTAL) len = MAX_LOG_TOTAL;
}
if ( (g_log->flag & FLAG_THREAD) || (c->flag & FLAG_THREAD) ) {
# define THREAD_NAME_LEN 128
char threadname[THREAD_NAME_LEN];
if (pthread_getname_np(pthread_self(), threadname, THREAD_NAME_LEN) != 0)
{
perror("pthread_getname_np : ");
} else {
len += snprintf(&log_buffer[len], MAX_LOG_TOTAL - len, "[%s]", threadname);
if (len > MAX_LOG_TOTAL) len = MAX_LOG_TOTAL;
}
# undef THREAD_NAME_LEN
}
if ( (g_log->flag & FLAG_FUNCT) || (c->flag & FLAG_FUNCT) ) {
len += snprintf(&log_buffer[len], MAX_LOG_TOTAL - len, "[%s] ",
func);
if (len > MAX_LOG_TOTAL) len = MAX_LOG_TOTAL;
}
if ( (g_log->flag & FLAG_FILE_LINE) || (c->flag & FLAG_FILE_LINE) ) {
len += snprintf(&log_buffer[len], MAX_LOG_TOTAL - len, "[%s:%d]",
file, line);
if (len > MAX_LOG_TOTAL) len = MAX_LOG_TOTAL;
}
len += vsnprintf(&log_buffer[len], MAX_LOG_TOTAL - len, format, args);
if (len > MAX_LOG_TOTAL) len = MAX_LOG_TOTAL;
log_end = log_buffer + len;
if ( (g_log->flag & FLAG_COLOR) || (c->flag & FLAG_COLOR) ) {
len += snprintf(&log_buffer[len], MAX_LOG_TOTAL - len, "%s",
log_level_highlight_end[level]);
if (len > MAX_LOG_TOTAL) len = MAX_LOG_TOTAL;
}
}
va_end(args);
// OAI printf compatibility
if ((g_log->onlinelog == 1) && (level != LOG_FILE))
#ifdef RTAI
if (len > MAX_LOG_TOTAL) {
rt_printk ("[OPENAIR] FIFO_PRINTF WROTE OUTSIDE ITS MEMORY BOUNDARY : ERRORS WILL OCCUR\n");
}
if (len > 0) {
rtf_put (FIFO_PRINTF_NO, log_buffer, len);
}
#else
fwrite(log_buffer, len, 1, stdout);
#endif
#ifndef RTAI
if (g_log->syslog) {
syslog(g_log->level, "%s", log_buffer);
}
if (g_log->filelog) {
if (write(gfd, log_buffer, len) < len) {
// TODO assert ?
}
}
if ((g_log->log_component[comp].filelog) && (level == LOG_FILE)) {
if (write(g_log->log_component[comp].fd, log_buffer, len) < len) {
// TODO assert ?
}
}
#else
// online print messges
if ((g_log->log_component[comp].filelog) && (level == LOG_FILE)) {
printf(log_buffer);
}
#endif
#if defined(ENABLE_ITTI)
if (level <= LOG_DEBUG) {
task_id_t origin_task_id = TASK_UNKNOWN;
MessagesIds messages_id;
MessageDef *message_p;
size_t message_string_size;
char *message_msg_p;
message_string_size = log_end - log_start;
#if !defined(DISABLE_ITTI_DETECT_SUB_TASK_ID)
/* Try to identify sub task ID from log information (comp, log_instance_type) */
switch (comp) {
case PHY:
switch (log_instance_type) {
case LOG_INSTANCE_ENB:
origin_task_id = TASK_PHY_ENB;
break;
case LOG_INSTANCE_UE:
origin_task_id = TASK_PHY_UE;
break;
default:
break;
}
break;
case MAC:
switch (log_instance_type) {
case LOG_INSTANCE_ENB:
origin_task_id = TASK_MAC_ENB;
break;
case LOG_INSTANCE_UE:
origin_task_id = TASK_MAC_UE;
default:
break;
}
break;
case RLC:
switch (log_instance_type) {
case LOG_INSTANCE_ENB:
origin_task_id = TASK_RLC_ENB;
break;
case LOG_INSTANCE_UE:
origin_task_id = TASK_RLC_UE;
default:
break;
}
break;
case PDCP:
switch (log_instance_type) {
case LOG_INSTANCE_ENB:
origin_task_id = TASK_PDCP_ENB;
break;
case LOG_INSTANCE_UE:
origin_task_id = TASK_PDCP_UE;
default:
break;
}
break;
default:
break;
}
#endif
switch (level) {
case LOG_EMERG:
case LOG_ALERT:
case LOG_CRIT:
case LOG_ERR:
messages_id = ERROR_LOG;
break;
case LOG_WARNING:
messages_id = WARNING_LOG;
break;
case LOG_NOTICE:
messages_id = NOTICE_LOG;
break;
case LOG_INFO:
messages_id = INFO_LOG;
break;
default:
messages_id = DEBUG_LOG;
break;
}
message_p = itti_alloc_new_message_sized(origin_task_id, messages_id, message_string_size);
switch (level) {
case LOG_EMERG:
case LOG_ALERT:
case LOG_CRIT:
case LOG_ERR:
message_msg_p = (char *) &message_p->ittiMsg.error_log;
break;
case LOG_WARNING:
message_msg_p = (char *) &message_p->ittiMsg.warning_log;
break;
case LOG_NOTICE:
message_msg_p = (char *) &message_p->ittiMsg.notice_log;
break;
case LOG_INFO:
message_msg_p = (char *) &message_p->ittiMsg.info_log;
break;
default:
message_msg_p = (char *) &message_p->ittiMsg.debug_log;
break;
}
memcpy(message_msg_p, log_start, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
}
#endif
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LOG_RECORD,
VCD_FUNCTION_OUT);
}
void logRecord_thread_safe(const char *file, const char *func,
int line, int comp, int level,
int len, const char *params_string)
{
log_component_t *c;
int total_len = 0;
char log_buffer[MAX_LOG_TOTAL];
c = &g_log->log_component[comp];
// do not apply filtering for LOG_F
// only log messages which are enabled and are below the global log level and component's level threshold
if ((level != LOG_FILE) && ((c->level > g_log->level) ||
(level > c->level) || (level > g_log->level))) {
return;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LOG_RECORD,
VCD_FUNCTION_IN);
// adjust syslog level for TRACE messages
if (g_log->syslog) {
if (g_log->level > LOG_DEBUG) {
g_log->level = LOG_DEBUG;
}
}
// make sure that for log trace the extra info is only printed once, reset when the level changes
if ((level == LOG_FILE) || (c->flag == LOG_NONE) || (level ==LOG_TRACE )) {
total_len = snprintf(&log_buffer[total_len], MAX_LOG_TOTAL - 1, "%s",
params_string);
} else {
if ((g_log->flag & FLAG_COLOR) || (c->flag & FLAG_COLOR)) {
total_len += snprintf(&log_buffer[total_len], MAX_LOG_TOTAL - total_len, "%s",
log_level_highlight_start[level]);
}
if ((g_log->flag & FLAG_COMP) || (c->flag & FLAG_COMP) ) {
total_len += snprintf(&log_buffer[total_len], MAX_LOG_TOTAL - total_len, "[%s]",
g_log->log_component[comp].name);
}
if ((g_log->flag & FLAG_LEVEL) || (c->flag & FLAG_LEVEL)) {
total_len += snprintf(&log_buffer[total_len], MAX_LOG_TOTAL - total_len, "[%s]",
g_log->level2string[level]);
}
if ((g_log->flag & FLAG_FUNCT) || (c->flag & FLAG_FUNCT)) {
total_len += snprintf(&log_buffer[total_len], MAX_LOG_TOTAL - total_len, "[%s] ",
func);
}
if ((g_log->flag & FLAG_FILE_LINE) || (c->flag & FLAG_FILE_LINE) ) {
total_len += snprintf(&log_buffer[total_len], MAX_LOG_TOTAL - total_len, "[%s:%d]",
file, line);
}
len += snprintf(&log_buffer[total_len], MAX_LOG_TOTAL - len, "%s",
params_string);
if ((g_log->flag & FLAG_COLOR) || (c->flag & FLAG_COLOR)) {
total_len += snprintf(&log_buffer[total_len], MAX_LOG_TOTAL - total_len, "%s",
log_level_highlight_end[level]);
}
}
// OAI printf compatibility
if ((g_log->onlinelog == 1) && (level != LOG_FILE)) {
#ifdef RTAI
if (len > MAX_LOG_TOTAL) {
rt_printk ("[OPENAIR] FIFO_PRINTF WROTE OUTSIDE ITS MEMORY BOUNDARY : ERRORS WILL OCCUR\n");
}
if (len > 0) {
rtf_put (FIFO_PRINTF_NO, log_buffer, len);
}
#else
fprintf(stdout, "%s", log_buffer);
#endif
}
#ifndef RTAI
if (g_log->syslog) {
syslog(g_log->level, "%s", log_buffer);
}
if (g_log->filelog) {
if (write(gfd, log_buffer, total_len) < total_len) {
// TODO assert ?
}
}
if ((g_log->log_component[comp].filelog) && (level == LOG_FILE)) {
if (write(g_log->log_component[comp].fd, log_buffer, total_len) < total_len) {
// TODO assert ?
}
}
#endif
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LOG_RECORD,
VCD_FUNCTION_OUT);
}
NwGtpv1uRcT
nwGtpv1uProcessUdpReq( NW_IN NwGtpv1uStackHandleT hGtpuStackHandle,
NW_IN uint8_t *udpData,
NW_IN uint32_t udpDataLen,
NW_IN uint16_t peerPort,
NW_IN uint32_t peerIp)
{
NwGtpv1uRcT ret = NW_GTPV1U_FAILURE;
NwGtpv1uStackT *thiz;
uint16_t msgType;
#if defined(ENB_MODE)
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GTPV1U_PROCESS_UDP_REQ, VCD_FUNCTION_IN);
#endif
thiz = (NwGtpv1uStackT *) hGtpuStackHandle;
NW_ASSERT(thiz);
msgType = *((uint8_t *)(udpData + 1));
switch(msgType) {
case NW_GTP_ECHO_REQ:
GTPU_DEBUG("NW_GTP_ECHO_REQ\n");
ret = nwGtpv1uHandleEchoReq( thiz, udpData, udpDataLen, peerPort, peerIp);
break;
case NW_GTP_ERROR_INDICATION:
GTPU_DEBUG("NW_GTP_ERROR_INDICATION\n");
ret = nwGtpv1uSendUlpMessageIndication( thiz,
0,
NW_GTPV1U_ULP_API_RECV_MSG,
msgType,
peerIp,
peerPort,
udpData,
udpDataLen);
NW_ASSERT(ret == NW_GTPV1U_OK);
break;
case NW_GTP_ECHO_RSP:
GTPU_DEBUG("NW_GTP_ECHO_RSP\n");
ret = NW_GTPV1U_OK;
break;
case NW_GTP_GPDU:
#if defined(LOG_GTPU) && LOG_GTPU > 0
GTPU_DEBUG("NW_GTP_GPDU: DATA COMING FROM UDP\n");
#endif
ret = nwGtpv1uProcessGpdu(thiz, udpData, udpDataLen, peerIp);
break;
default:
ret = NW_GTPV1U_FAILURE;
NW_ASSERT(0);
break;
}
#if defined(LOG_GTPU) && LOG_GTPU > 0
NW_LEAVE(thiz);
#endif
#if defined(ENB_MODE)
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GTPV1U_PROCESS_UDP_REQ, VCD_FUNCTION_OUT);
#endif
return ret;
}
/** RX_PDSCH Decoding Thread */
static void * rx_pdsch_thread(void *param)
{
//unsigned long cpuid;
uint8_t dlsch_thread_index = 0;
uint8_t pilot2,harq_pid,subframe;
// uint8_t last_slot;
uint8_t dual_stream_UE = 0;
uint8_t i_mod = 0;
#ifdef RTAI
RT_TASK *task;
#endif
int m,eNB_id = 0;
int eNB_id_i = 1;
PHY_VARS_UE *UE = PHY_vars_UE_g[0][0];
#ifdef RTAI
task = rt_task_init_schmod(nam2num("RX_PDSCH_THREAD"), 0, 0, 0, SCHED_FIFO, 0xF);
if (task==NULL) {
LOG_E(PHY,"[SCHED][RX_PDSCH] Problem starting rx_pdsch thread!!!!\n");
return 0;
} else {
LOG_I(PHY,"[SCHED][RX_PDSCH] rx_pdsch_thread started for with id %p\n",task);
}
#endif
mlockall(MCL_CURRENT | MCL_FUTURE);
//rt_set_runnable_on_cpuid(task,1);
//cpuid = rtai_cpuid();
#ifdef HARD_RT
rt_make_hard_real_time();
#endif
if (UE->lte_frame_parms.Ncp == NORMAL) { // normal prefix
pilot2 = 7;
} else { // extended prefix
pilot2 = 6;
}
while (!oai_exit) {
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_THREAD, 0);
if (pthread_mutex_lock(&rx_pdsch_mutex) != 0) {
LOG_E(PHY,"[SCHED][RX_PDSCH] error locking mutex.\n");
} else {
while (rx_pdsch_instance_cnt < 0) {
pthread_cond_wait(&rx_pdsch_cond,&rx_pdsch_mutex);
}
if (pthread_mutex_unlock(&rx_pdsch_mutex) != 0) {
LOG_E(PHY,"[SCHED][RX_PDSCH] error unlocking mutex.\n");
}
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_THREAD, 1);
// last_slot = rx_pdsch_slot;
subframe = UE->slot_rx>>1;
// Important! assumption that PDCCH procedure of next SF is not called yet
harq_pid = UE->dlsch_ue[eNB_id][0]->current_harq_pid;
UE->dlsch_ue[eNB_id][0]->harq_processes[harq_pid]->G = get_G(&UE->lte_frame_parms,
UE->dlsch_ue[eNB_id][0]->harq_processes[harq_pid]->nb_rb,
UE->dlsch_ue[eNB_id][0]->harq_processes[harq_pid]->rb_alloc,
get_Qm(UE->dlsch_ue[eNB_id][0]->harq_processes[harq_pid]->mcs),
UE->dlsch_ue[eNB_id][0]->harq_processes[harq_pid]->Nl,
UE->lte_ue_pdcch_vars[eNB_id]->num_pdcch_symbols,
UE->frame_rx,subframe);
if ((UE->transmission_mode[eNB_id] == 5) &&
(UE->dlsch_ue[eNB_id][0]->harq_processes[harq_pid]->dl_power_off==0) &&
(openair_daq_vars.use_ia_receiver > 0)) {
dual_stream_UE = 1;
eNB_id_i = UE->n_connected_eNB;
if (openair_daq_vars.use_ia_receiver == 2) {
i_mod = get_Qm(((UE->frame_rx%1024)/3)%28);
} else {
i_mod = get_Qm(UE->dlsch_ue[eNB_id][0]->harq_processes[harq_pid]->mcs);
}
} else {
dual_stream_UE = 0;
eNB_id_i = eNB_id+1;
i_mod = 0;
}
if (oai_exit) break;
LOG_D(PHY,"[SCHED][RX_PDSCH] Frame %d, slot %d: Calling rx_pdsch_decoding with harq_pid %d\n",UE->frame_rx,UE->slot_rx,harq_pid);
// Check if we are in even or odd slot
if (UE->slot_rx%2) { // odd slots
// measure time
//time0 = rt_get_time_ns();
// rt_printk("[SCHED][RX_PDSCH][before rx_pdsch] Frame %d, slot %d, time %llu\n",UE->frame,last_slot,rt_get_time_ns());
for (m=pilot2; m<UE->lte_frame_parms.symbols_per_tti; m++) {
rx_pdsch(UE,
PDSCH,
eNB_id,
eNB_id_i,
subframe,
m,
0,
dual_stream_UE,
i_mod,
harq_pid);
}
// time1 = rt_get_time_ns();
// rt_printk("[SCHED][RX_PDSCH] Frame %d, slot %d, start %llu, end %llu, proc time: %llu ns\n",UE->frame_rx,last_slot,time0,time1,(time1-time0));
dlsch_thread_index = harq_pid;
if (pthread_mutex_lock (&dlsch_mutex[dlsch_thread_index]) != 0) { // Signal MAC_PHY Scheduler
LOG_E(PHY,"[UE %d] ERROR pthread_mutex_lock\n",UE->Mod_id); // lock before accessing shared resource
// VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_OUT);
//return(-1);
}
dlsch_instance_cnt[dlsch_thread_index]++;
dlsch_subframe[dlsch_thread_index] = subframe;
pthread_mutex_unlock (&dlsch_mutex[dlsch_thread_index]);
if (dlsch_instance_cnt[dlsch_thread_index] == 0) {
if (pthread_cond_signal(&dlsch_cond[dlsch_thread_index]) != 0) {
LOG_E(PHY,"[UE %d] ERROR pthread_cond_signal for dlsch_cond[%d]\n",UE->Mod_id,dlsch_thread_index);
// VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_OUT);
//return(-1);
}
} else {
LOG_W(PHY,"[UE %d] DLSCH thread for dlsch_thread_index %d busy!!!\n",UE->Mod_id,dlsch_thread_index);
// VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_RX, VCD_FUNCTION_OUT);
//return(-1);
}
} else { // even slots
for (m=UE->lte_ue_pdcch_vars[eNB_id]->num_pdcch_symbols; m<pilot2; m++) {
rx_pdsch(UE,
PDSCH,
eNB_id,
eNB_id_i,
subframe,
m,
(m==UE->lte_ue_pdcch_vars[eNB_id]->num_pdcch_symbols)?1:0, // first_symbol_flag
dual_stream_UE,
i_mod,
harq_pid);
}
}
if (pthread_mutex_lock(&rx_pdsch_mutex) != 0) {
msg("[openair][SCHED][RX_PDSCH] error locking mutex.\n");
} else {
rx_pdsch_instance_cnt--;
if (pthread_mutex_unlock(&rx_pdsch_mutex) != 0) {
msg("[openair][SCHED][RX_PDSCH] error unlocking mutex.\n");
}
}
}
#ifdef HARD_RT
rt_make_soft_real_time();
#endif
LOG_D(PHY,"[openair][SCHED][RX_PDSCH] RX_PDSCH thread exiting\n");
return 0;
}
