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Commit eedc4226 authored by Raymond Knopp's avatar Raymond Knopp
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modifications for SRB0 to allow multiple UE contexts in case of delayed CCCH... 

modifications for SRB0 to allow multiple UE contexts in case of delayed CCCH reception in CU/DU split (moved SRB0 from carrier to UE context)
parent 6f11dc77
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Showing with 122 additions and 105 deletions
openair2/LAYER2/MAC/eNB_scheduler_RA.c
View file @ eedc4226
......@@ -832,7 +832,8 @@ generate_Msg4(module_id_t module_idP, int CC_idP, frame_t frameP,
/*rrc_sdu_length = mac_rrc_data_req(module_idP, CC_idP, frameP, CCCH, 1, // 1 transport block
&cc[CC_idP].CCCH_pdu.payload[0], ENB_FLAG_YES, module_idP, 0); // not used in this case*/
rrc_sdu_length = mac_rrc_data_req(module_idP, CC_idP, frameP, CCCH, 1, // 1 transport block
rrc_sdu_length = mac_rrc_data_req(module_idP, CC_idP, frameP, CCCH,
UE_RNTI(module_idP,UE_id),1, // 1 transport block
&cc[CC_idP].CCCH_pdu.payload[0], 0); // not used in this case
LOG_D(MAC,
......@@ -1017,7 +1018,8 @@ generate_Msg4(module_id_t module_idP, int CC_idP, frame_t frameP,
&cc[CC_idP].CCCH_pdu.payload[0], ENB_FLAG_YES, module_idP, 0); // not used in this case*/
// check if there's data on the CCCH to send with Msg4
rrc_sdu_length = mac_rrc_data_req(module_idP, CC_idP, frameP, CCCH, 1, // 1 transport block
rrc_sdu_length = mac_rrc_data_req(module_idP, CC_idP, frameP, CCCH,
UE_RNTI(module_idP,UE_id),1, // 1 transport block
&cc[CC_idP].CCCH_pdu.payload[0], 0); // not used in this case
LOG_D(MAC,
......
openair2/LAYER2/MAC/eNB_scheduler_bch.c
View file @ eedc4226
......@@ -193,7 +193,7 @@ schedule_SIB1_BR(module_id_t module_idP,
n_NB = Sj[((cc->physCellId % N_S_NB) + (i * N_S_NB / m)) % N_S_NB];
bcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, BCCH_SIB1_BR, 1, &cc->BCCH_BR_pdu[0].payload[0], 0); // not used in this case
bcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, BCCH_SIB1_BR, 0xFFFF, 1, &cc->BCCH_BR_pdu[0].payload[0], 0); // not used in this case
AssertFatal(cc->mib->message.schedulingInfoSIB1_BR_r13 < 19,
"schedulingInfoSIB1_BR_r13 %d > 18\n",
......@@ -382,7 +382,7 @@ schedule_SI_BR(module_id_t module_idP, frame_t frameP,
if ((sf_mod_period < si_WindowLength_BR_r13)
&& ((frameP & (((1 << si_RepetitionPattern_r13) - 1))) == 0)) { // this SIB is to be scheduled
bcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, BCCH_SI_BR + i, 1, &cc->BCCH_BR_pdu[i + 1].payload[0], 0); // not used in this case
bcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, BCCH_SI_BR + i, 0xFFFF, 1, &cc->BCCH_BR_pdu[i + 1].payload[0], 0); // not used in this case
AssertFatal(bcch_sdu_length > 0,
"RRC returned 0 bytes for SI-BR %d\n", i);
......@@ -524,7 +524,7 @@ schedule_mib(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP)
dl_req = &dl_config_request->dl_config_request_body;
cc = &eNB->common_channels[CC_id];
mib_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, MIBCH, 1, &cc->MIB_pdu.payload[0], 0); // not used in this case
mib_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, MIBCH, 0xFFFF, 1, &cc->MIB_pdu.payload[0], 0); // not used in this case
LOG_D(MAC, "Frame %d, subframe %d: BCH PDU length %d\n", frameP, subframeP, mib_sdu_length);
......@@ -611,7 +611,7 @@ schedule_SI(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP)
dl_req = &eNB->DL_req[CC_id].dl_config_request_body;
bcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, BCCH, 1, &cc->BCCH_pdu.payload[0], 0); // not used in this case
bcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, BCCH, 0xFFFF,1, &cc->BCCH_pdu.payload[0], 0); // not used in this case
if (bcch_sdu_length > 0) {
LOG_D(MAC, "[eNB %d] Frame %d : BCCH->DLSCH CC_id %d, Received %d bytes \n", module_idP, frameP, CC_id, bcch_sdu_length);
......
openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
View file @ eedc4226
......@@ -731,10 +731,14 @@ schedule_ue_spec(module_id_t module_idP,slice_id_t slice_idP,
aggregation = 2;
}
}
int ccecond = CCE_allocation_infeasible(module_idP, CC_id, 1, subframeP,
aggregation, rnti);
if (!ccecond) {
// check for CCCH
}
/* if (continue_flag != 1 */
if ((ue_sched_ctl->pre_nb_available_rbs[CC_id] == 0) || // no RBs allocated
CCE_allocation_infeasible(module_idP, CC_id, 1, subframeP,
aggregation, rnti)) {
ccecond) {
LOG_D(MAC,
"[eNB %d] Frame %d : no RB allocated for UE %d on CC_id %d: continue \n",
module_idP, frameP, UE_id, CC_id);
......@@ -1836,7 +1840,7 @@ void schedule_PCH(module_id_t module_idP,frame_t frameP,sub_frame_t subframeP)
pcch_sdu_length = mac_rrc_data_req(module_idP,
CC_id,
frameP,
PCCH,1,
PCCH,0xFFFE,1,
&cc->PCCH_pdu.payload[0],
i); // used for ue index
if (pcch_sdu_length == 0) {
......
openair2/LAYER2/MAC/eNB_scheduler_mch.c
View file @ eedc4226
......@@ -542,7 +542,7 @@ schedule_MBMS(module_id_t module_idP, uint8_t CC_id, frame_t frameP,
"[eNB %d] CC_id %d Frame %d Subframe %d: Schedule MCCH MESSAGE (area %d, sfAlloc %d)\n",
module_idP, CC_id, frameP, subframeP, i, j);
mcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, MCCH, 1, &cc->MCCH_pdu.payload[0],
mcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, MCCH, 0xFFFC, 1, &cc->MCCH_pdu.payload[0],
i); // this is the mbsfn sync area index
if (mcch_sdu_length > 0) {
......
openair2/RRC/L2_INTERFACE/openair_rrc_L2_interface.h
View file @ eedc4226
......@@ -39,6 +39,7 @@ mac_rrc_data_req(
const int CC_idP,
const frame_t frameP,
const rb_id_t srb_idP,
const rnti_t rntiP,
const uint8_t nb_tbP,
uint8_t* const buffer_pP,
const uint8_t mbsfn_sync_areaP
......
openair2/RRC/LTE/L2_interface.c
View file @ eedc4226
......@@ -53,6 +53,7 @@ mac_rrc_data_req(
const int CC_id,
const frame_t frameP,
const rb_id_t Srb_id,
const rnti_t rnti,
const uint8_t Nb_tb,
uint8_t* const buffer_pP,
const uint8_t mbsfn_sync_area
......@@ -105,9 +106,6 @@ mac_rrc_data_req(
return (RC.rrc[Mod_idP]->carrier[CC_id].sizeof_SIB1);
} // All RFN mod 8 transmit SIB2-3 in SF 5
else if ((frameP%8) == 1) {
LOG_I(RRC,"Copying SIB23 @ %p to mac %d bytes\n",
RC.rrc[Mod_idP]->carrier[CC_id].SIB23,
RC.rrc[Mod_idP]->carrier[CC_id].sizeof_SIB23);
memcpy(&buffer_pP[0],
RC.rrc[Mod_idP]->carrier[CC_id].SIB23,
RC.rrc[Mod_idP]->carrier[CC_id].sizeof_SIB23);
......@@ -144,14 +142,19 @@ mac_rrc_data_req(
}
if( (Srb_id & RAB_OFFSET ) == CCCH) {
LOG_T(RRC,"[eNB %d] Frame %d CCCH request (Srb_id %d)\n",Mod_idP,frameP, Srb_id);
if(RC.rrc[Mod_idP]->carrier[CC_id].Srb0.Active==0) {
struct rrc_eNB_ue_context_s *ue_context_p = rrc_eNB_get_ue_context(RC.rrc[Mod_idP],rnti);
if (ue_context_p == NULL) return(0);
eNB_RRC_UE_t *ue_p = &ue_context_p->ue_context;
LOG_T(RRC,"[eNB %d] Frame %d CCCH request (Srb_id %d, rnti %x)\n",Mod_idP,frameP, Srb_id,rnti);
if(ue_p->Srb0.Active==0) {
LOG_E(RRC,"[eNB %d] CCCH Not active\n",Mod_idP);
return -1;
return(0);
}
Srb_info=&RC.rrc[Mod_idP]->carrier[CC_id].Srb0;
Srb_info=&ue_p->Srb0;
// check if data is there for MAC
if(Srb_info->Tx_buffer.payload_size>0) { //Fill buffer
......@@ -301,15 +304,11 @@ mac_rrc_data_ind(
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, ENB_FLAG_YES, rntiP, frameP, sub_frameP,0);
if((srb_idP & RAB_OFFSET) == CCCH) {
Srb_info = &RC.rrc[module_idP]->carrier[CC_id].Srb0;
LOG_D(RRC,"[eNB %d] Received SDU for CCCH on SRB %d\n",module_idP,Srb_info->Srb_id);
LOG_D(RRC,"[eNB %d] Received SDU for CCCH on SRB 0\n",module_idP);
// msg("\n******INST %d Srb_info %p, Srb_id=%d****\n\n",Mod_id,Srb_info,Srb_info->Srb_id);
if (sdu_lenP > 0) {
memcpy(Srb_info->Rx_buffer.Payload,sduP,sdu_lenP);
Srb_info->Rx_buffer.payload_size = sdu_lenP;
rrc_eNB_decode_ccch(&ctxt, Srb_info, CC_id);
}
if (sdu_lenP > 0) rrc_eNB_decode_ccch(&ctxt, sduP, sdu_lenP, CC_id);
}
if((srb_idP & RAB_OFFSET) == DCCH) {
struct rrc_eNB_ue_context_s* ue_context_p = NULL;
......
openair2/RRC/LTE/rrc_defs.h
View file @ eedc4226
......@@ -671,7 +671,6 @@ typedef struct {
SystemInformationBlockType21_r14_t *sib21;
// End - TTN
SRB_INFO SI;
SRB_INFO Srb0;
uint8_t *paging[MAX_MOBILES_PER_ENB];
uint32_t sizeof_paging[MAX_MOBILES_PER_ENB];
} rrc_eNB_carrier_data_t;
......
openair2/RRC/LTE/rrc_eNB.c
View file @ eedc4226
This diff is collapsed.
openair2/RRC/LTE/rrc_proto.h
View file @ eedc4226
......@@ -219,13 +219,15 @@ uint8_t rrc_eNB_get_next_transaction_identifier(module_id_t module_idP);
/**\brief Entry routine to decode a UL-CCCH-Message. Invokes PER decoder and parses message.
\param ctxt_pP Running context
\param Srb_info Pointer to SRB0 information structure (buffer, etc.)*/
int
rrc_eNB_decode_ccch(
protocol_ctxt_t* const ctxt_pP,
const SRB_INFO* const Srb_info,
\param buffer Pointer to SDU
\param buffer_length length of SDU in bytes
\param CC_id component carrier index*/
int rrc_eNB_decode_ccch(protocol_ctxt_t* const ctxt_pP,
uint8_t *buffer,
int buffer_length,
const int CC_id
);
);
/**\brief Entry routine to decode a UL-DCCH-Message. Invokes PER decoder and parses message.
\param ctxt_pP Context
......@@ -411,6 +413,7 @@ mac_rrc_data_req(
const int CC_id,
const frame_t frameP,
const rb_id_t Srb_id,
const rnti_t rnti,
const uint8_t Nb_tb,
uint8_t* const buffer_pP,
const uint8_t mbsfn_sync_area
......
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