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openairinterface5g/openair2/RRC/LITE/L2_interface.c
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/*******************************************************************************
Eurecom OpenAirInterface 2
Copyright(c) 1999 - 2010 Eurecom
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information
Openair Admin: openair_admin@eurecom.fr
Openair Tech : openair_tech@eurecom.fr
Forums : http://forums.eurecom.fsr/openairinterface
Address : Eurecom, 2229, route des crêtes, 06560 Valbonne Sophia Antipolis, France
*******************************************************************************/
/*! \file l2_interface.c
* \brief layer 2 interface
* \author Raymond Knopp and Navid Nikaein
* \date 2011
* \version 1.0
* \company Eurecom
* \email: raymond.knopp@eurecom.fr
*/
//#include "openair_types.h"
//#include "openair_defs.h"
//#include "openair_proto.h"
#include "defs.h"
#include "extern.h"
//#include "mac_lchan_interface.h"
//#include "openair_rrc_utils.h"
//#include "openair_rrc_main.h"
#include "UTIL/LOG/log.h"
#include "pdcp.h"
#ifdef PHY_EMUL
#include "SIMULATION/simulation_defs.h"
extern EMULATION_VARS *Emul_vars;
extern eNB_MAC_INST *eNB_mac_inst;
extern UE_MAC_INST *UE_mac_inst;
#endif
#if defined(ENABLE_ITTI)
# include "intertask_interface.h"
#endif
//#define RRC_DATA_REQ_DEBUG
#define DEBUG_RRC
mui_t mui=0;
//-------------------------------------------------------------------------------------------//
s8 mac_rrc_lite_data_req(module_id_t Mod_idP, frame_t frameP, u16 Srb_id, u8 Nb_tb, u8 *buffer_pP, eNB_flag_t enb_flagP, u8 eNB_index,
u8 mbsfn_sync_area) {
//-------------------------------------------------------------------------------------------//
SRB_INFO *Srb_info;
u8 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 == 1){
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);
u8 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);
}
//-------------------------------------------------------------------------------------------//
s8 mac_rrc_lite_data_ind(module_id_t Mod_idP, frame_t frameP, u16 Srb_id, u8 *Sdu, u16 sdu_size,eNB_flag_t enb_flagP,u8 eNB_index,u8 mbsfn_sync_area){
//-------------------------------------------------------------------------------------------//
SRB_INFO *Srb_info;
/*
int si_window;
*/
if(enb_flagP == 0){
if(Srb_id == BCCH){
LOG_T(RRC,"[UE %d] Received SDU for BCCH on SRB %d from eNB %d\n",Mod_idP,Srb_id,eNB_index);
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
int msg_sdu_size = sizeof(RRC_MAC_BCCH_DATA_IND (message_p).sdu);
if (sdu_size > msg_sdu_size)
{
LOG_E(RRC, "SDU larger than BCCH SDU buffer size (%d, %d)", sdu_size, msg_sdu_size);
sdu_size = msg_sdu_size;
}
message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_BCCH_DATA_IND);
RRC_MAC_BCCH_DATA_IND (message_p).frame = frameP;
RRC_MAC_BCCH_DATA_IND (message_p).sdu_size = sdu_size;
memset (RRC_MAC_CCCH_DATA_IND (message_p).sdu, 0, sizeof(RRC_MAC_CCCH_DATA_IND (message_p).sdu));
memcpy (RRC_MAC_BCCH_DATA_IND (message_p).sdu, Sdu, sdu_size);
RRC_MAC_BCCH_DATA_IND (message_p).enb_index = eNB_index;
RRC_MAC_BCCH_DATA_IND (message_p).rsrq = 30 /* TODO change phy to report rspq */;
RRC_MAC_BCCH_DATA_IND (message_p).rsrp = 45 /* TODO change phy to report rspp */;
itti_send_msg_to_task (TASK_RRC_UE, Mod_idP + NB_eNB_INST, message_p);
}
#else
decode_BCCH_DLSCH_Message(Mod_idP,frameP,eNB_index,Sdu,sdu_size, 0, 0);
/*
if ((frameP %2) == 0) {
if (UE_rrc_inst[Mod_id].Info[eNB_index].SIB1Status == 0) {
LOG_D(RRC,"[UE %d] Frame %d : Received SIB1 from eNB %d (%d bytes)\n",Mod_id,frameP,eNB_index,sdu_size);
if (UE_rrc_inst[Mod_id].SIB1[eNB_index])
memcpy(UE_rrc_inst[Mod_id].SIB1[eNB_index],&Sdu[0],sdu_size);
else {
LOG_E(RRC,"[FATAL ERROR] SIB1 buffer for eNB %d not allocated, exiting ...\n",eNB_index);
mac_xface->macphy_exit("");
return(-1);
}
UE_rrc_inst[Mod_id].Info[eNB_index].SIB1Status = 1;
decode_SIB1(Mod_id,eNB_index);
}
}
else {
if ((UE_rrc_inst[Mod_id].Info[eNB_index].SIB1Status == 1) &&
(UE_rrc_inst[Mod_id].Info[eNB_index].SIStatus == 0)) {
si_window = (frameP%UE_rrc_inst[Mod_id].Info[eNB_index].SIperiod)/frameP%UE_rrc_inst[Mod_id].Info[eNB_index].SIwindowsize;
LOG_D(RRC,"[UE %d] Frame %d : Received SI (%d bytes), in window %d (SIperiod %d, SIwindowsize %d)\n",Mod_id,frameP,sdu_size,si_window,UE_rrc_inst[Mod_id].Info[eNB_index].SIperiod,UE_rrc_inst[Mod_id].Info[eNB_index].SIwindowsize);
memcpy(UE_rrc_inst[Mod_id].SI[eNB_index],&Sdu[0],sdu_size);
if (decode_SI(Mod_id,frameP,eNB_index,si_window)==0) {
LOG_D(RRC,"[UE %d] Frame %d :Decoded SI successfully\n",Mod_id,frameP);
UE_rrc_inst[Mod_id].Info[eNB_index].SIStatus = 1;
}
}
}
if ((UE_rrc_inst[Mod_id].Info[eNB_index].SIB1Status == 1) &&
(UE_rrc_inst[Mod_id].Info[eNB_index].SIStatus == 1)) {
if (UE_rrc_inst[Mod_id].Info[eNB_index].State == RRC_IDLE) {
LOG_I(RRC,"[UE %d] Received SIB1/SIB2/SIB3 Switching to RRC_SI_RECEIVED\n",Mod_id);
UE_rrc_inst[Mod_id].Info[eNB_index].State = RRC_SI_RECEIVED;
}
}
*/
#endif
}
if((Srb_id & RAB_OFFSET) == CCCH){
if (sdu_size>0) {
LOG_T(RRC,"[UE %d] Received SDU for CCCH on SRB %d from eNB %d\n",Mod_idP,Srb_id & RAB_OFFSET,eNB_index);
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
int msg_sdu_size = sizeof(RRC_MAC_CCCH_DATA_IND (message_p).sdu);
if (sdu_size > msg_sdu_size)
{
LOG_E(RRC, "SDU larger than CCCH SDU buffer size (%d, %d)", sdu_size, msg_sdu_size);
sdu_size = msg_sdu_size;
}
message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_CCCH_DATA_IND);
RRC_MAC_CCCH_DATA_IND (message_p).frame = frameP;
RRC_MAC_CCCH_DATA_IND (message_p).sdu_size = sdu_size;
memset (RRC_MAC_CCCH_DATA_IND (message_p).sdu, 0, sizeof(RRC_MAC_CCCH_DATA_IND (message_p).sdu));
memcpy (RRC_MAC_CCCH_DATA_IND (message_p).sdu, Sdu, sdu_size);
RRC_MAC_CCCH_DATA_IND (message_p).enb_index = eNB_index;
itti_send_msg_to_task (TASK_RRC_UE, Mod_idP + NB_eNB_INST, message_p);
}
#else
Srb_info = &UE_rrc_inst[Mod_idP].Srb0[eNB_index];
memcpy(Srb_info->Rx_buffer.Payload,Sdu,sdu_size);
Srb_info->Rx_buffer.payload_size = sdu_size;
rrc_ue_decode_ccch(Mod_idP, frameP, Srb_info, eNB_index);
#endif
}
}
#ifdef Rel10
if ((Srb_id & RAB_OFFSET) == MCCH) {
LOG_T(RRC,"[UE %d] Frame %d: Received SDU on MBSFN sync area %d for MCCH on SRB %d from eNB %d\n",
Mod_idP,frameP, mbsfn_sync_area, Srb_id & RAB_OFFSET,eNB_index);
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
int msg_sdu_size = sizeof(RRC_MAC_MCCH_DATA_IND (message_p).sdu);
if (sdu_size > msg_sdu_size)
{
LOG_E(RRC, "SDU larger than MCCH SDU buffer size (%d, %d)", sdu_size, msg_sdu_size);
sdu_size = msg_sdu_size;
}
message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_MCCH_DATA_IND);
RRC_MAC_MCCH_DATA_IND (message_p).frame = frameP;
RRC_MAC_MCCH_DATA_IND (message_p).sdu_size = sdu_size;
memset (RRC_MAC_CCCH_DATA_IND (message_p).sdu, 0, sizeof(RRC_MAC_CCCH_DATA_IND (message_p).sdu));
memcpy (RRC_MAC_MCCH_DATA_IND (message_p).sdu, Sdu, sdu_size);
RRC_MAC_MCCH_DATA_IND (message_p).enb_index = eNB_index;
RRC_MAC_MCCH_DATA_IND (message_p).mbsfn_sync_area = mbsfn_sync_area;
itti_send_msg_to_task (TASK_RRC_UE, Mod_idP + NB_eNB_INST, message_p);
}
#else
decode_MCCH_Message(Mod_idP, frameP, eNB_index, Sdu, sdu_size, mbsfn_sync_area);
#endif
}
#endif // Rel10
}
else{ // This is an eNB
Srb_info = &eNB_rrc_inst[Mod_idP].Srb0;
LOG_T(RRC,"[eNB %d] Received SDU for CCCH on SRB %d\n",Mod_idP,Srb_info->Srb_id);
#if defined(ENABLE_ITTI)
{
MessageDef *message_p;
int msg_sdu_size = sizeof(RRC_MAC_CCCH_DATA_IND (message_p).sdu);
if (sdu_size > msg_sdu_size)
{
LOG_E(RRC, "SDU larger than CCCH SDU buffer size (%d, %d)", sdu_size, msg_sdu_size);
sdu_size = msg_sdu_size;
}
message_p = itti_alloc_new_message (TASK_MAC_ENB, RRC_MAC_CCCH_DATA_IND);
RRC_MAC_CCCH_DATA_IND (message_p).frame = frameP;
RRC_MAC_CCCH_DATA_IND (message_p).sdu_size = sdu_size;
memset (RRC_MAC_CCCH_DATA_IND (message_p).sdu, 0, sizeof(RRC_MAC_CCCH_DATA_IND (message_p).sdu));
memcpy (RRC_MAC_CCCH_DATA_IND (message_p).sdu, Sdu, sdu_size);
itti_send_msg_to_task (TASK_RRC_ENB, Mod_idP, message_p);
}
#else
// msg("\n******INST %d Srb_info %p, Srb_id=%d****\n\n",Mod_id,Srb_info,Srb_info->Srb_id);
if (sdu_size > 0) {
memcpy(Srb_info->Rx_buffer.Payload,Sdu,sdu_size);
Srb_info->Rx_buffer.payload_size = sdu_size;
rrc_eNB_decode_ccch(Mod_idP,frameP,Srb_info);
}
#endif
}
return(0);
}
//-------------------------------------------------------------------------------------------//
// this function is Not USED anymore
void mac_lite_sync_ind(module_id_t Mod_idP,u8 Status){
//-------------------------------------------------------------------------------------------//
}
//-------------------------------------------------------------------------------------------//
u8 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, u32 confirmP,
sdu_size_t sdu_size, u8* buffer_pP, u8 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).
u8 *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
return pdcp_data_req (enb_mod_idP, ue_mod_idP, frameP, enb_flagP, rb_idP, muiP, confirmP, sdu_size, buffer_pP, mode);
#endif
}
//-------------------------------------------------------------------------------------------//
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,u8 *buffer_pP){
//-------------------------------------------------------------------------------------------//
u8 DCCH_index = Srb_id;
u8_t Mod_id;
if (enb_flagP == 0) {
Mod_id = ue_mod_idP + NB_eNB_INST;
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 {
Mod_id = enb_mod_idP;
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).
u8 *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, Mod_id, message_p);
}
#else
if (enb_flagP ==1) {
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
}
//-------------------------------------------------------------------------------------------//
void rrc_lite_in_sync_ind(module_id_t Mod_idP, frame_t frameP, u16 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
}
//-------------------------------------------------------------------------------------------//
void rrc_lite_out_of_sync_ind(module_id_t Mod_idP, frame_t frameP, u16 eNB_index){
//-------------------------------------------------------------------------------------------//
// rlc_info_t rlc_infoP;
// rlc_infoP.rlc_mode=RLC_UM;
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
}
//-------------------------------------------------------------------------------------------//
int mac_get_rrc_lite_status(module_id_t Mod_idP,eNB_flag_t enb_flagP,u8 index){
//-------------------------------------------------------------------------------------------//
if(enb_flagP == 1)
return(eNB_rrc_inst[Mod_idP].Info.UE[index].Status);
else
return(UE_rrc_inst[Mod_idP].Info[index].State);
}
//-------------------------------------------------------------------------------------------//
int mac_ue_ccch_success_ind(module_id_t Mod_idP, u8 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;
}
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