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openairinterface5g/openair2/RRC/CELLULAR/rrc_rg_control.c
T
Cedric Roux 56c66c09aa - Fix: avoid infinite loop on mulitcast read thread if no data to read 
Pre-ci test passed

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2013-06-25 09:05:02 +00:00

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/***************************************************************************
rrc_rg_control.c - description
-------------------
begin : November 25, 2002
copyright : (C) 2002, 2010 by Eurecom
email : Michelle.Wetterwald@eurecom.fr
email : Lionel.gauthier@eurecom.fr
**************************************************************************
Procedures associated with the control of the RG protocol stack
***************************************************************************/
/********************
//OpenAir definitions
********************/
#include "LAYER2/MAC/extern.h"
#include "UTIL/MEM/mem_block.h"
/********************
// RRC definitions
********************/
//#include "rlc.h"
#include "rrc_rg_vars.h"
#include "rrc_messages.h"
//#include "rrm_as_sap.h"
#include "rrc_qos_classes.h"
//#include "rrc_rrm_primitives.h"
//-----------------------------------------------------------------------------
#include "rrc_proto_intf.h"
#include "rrc_proto_fsm.h"
#include "rrc_proto_int.h"
#include "rrc_proto_mbms.h"
#include "rrc_proto_msg.h"
//-----------------------------------------------------------------------------
// These proto already in rrc_rg.c (ESTEREL file)
//void RRC_RG_O_O_SEND_DCCH_AM (int msgId);
//-----------------------------------------------------------------------------
void rrc_rg_CRLC_Status_rx (int rb_id, int evcP){
//-----------------------------------------------------------------------------
int srb_id;
int UE_Id;
srb_id = rb_id % maxRB;
UE_Id = (rb_id - srb_id) / maxRB;
msg ("[RRC-CRLC] Outsynch received from RLC for Rb %d , mobile %d\n", rb_id, UE_Id);
rrc_rg_fsm_control (UE_Id, RG_CRLC_STATUS);
}
// Indications from L1
//-----------------------------------------------------------------------------
void rrc_rg_CPHY_Synch_rx (int CCTrCH){
//-----------------------------------------------------------------------------
# ifdef DEBUG_RRC_STATE
msg ("[RRC-CPHY] Insynch received from PHY for CCTrCH %d \n", CCTrCH);
# endif
protocol_bs->rrc.rrc_rg_synch_ind = TRUE;
protocol_bs->rrc.rrc_rg_cctrch_synch[CCTrCH] = TRUE;
}
//-----------------------------------------------------------------------------
void rrc_rg_CPHY_Out_Synch_rx (int CCTrCH){
//-----------------------------------------------------------------------------
msg ("[RRC-CPHY] Outsynch received from PHY for CCTrCH %d \n", CCTrCH);
protocol_bs->rrc.rrc_rg_outsynch_ind = TRUE;
protocol_bs->rrc.rrc_rg_cctrch_outsynch[CCTrCH] = TRUE;
}
/* Check if an event arrived from L1 */
//-------------------------------------------------------------------
void rrc_rg_L1_check (void){
//-------------------------------------------------------------------
/**** Original version - A revoir - UE_ID is rrc_rg_pending_UE
int UE_Id=0; // Temp - hard coded
int data_ccTrCh; // Temp - hard coded
// First step is to test InSynch conditions
if (protocol_bs->rrc.rrc_rg_synch_ind==TRUE){
//insynch detected- read it
protocol_bs->rrc.rrc_rg_synch_ind=FALSE;
for (data_ccTrCh=0; data_ccTrCh<maxCCTrCH_rg; data_ccTrCh++){
if (protocol_bs->rrc.rrc_rg_cctrch_synch[data_ccTrCh]==TRUE){
#ifdef DEBUG_RRC_STATE
msg("[RRC_RG][CPHY] In-Synch detected for mobile %d and CCTRCH %d \n",UE_Id, data_ccTrCh);
#endif
protocol_bs->rrc.rrc_rg_cctrch_synch[data_ccTrCh]=FALSE;
UE_Id = protocol_bs->rrc.rrc_rg_pending_UE;
protocol_bs->rrc.rrc_rg_cctrch_crnti[data_ccTrCh]= UE_Id;
//rrc_RG_PHY_Synch_rx(UE_Id); Now in FSM
rrc_rg_fsm_control(UE_Id, UE_PHY_SYNCH);
}
}
}
// Next step is to test OutOfSynch conditions
if (protocol_bs->rrc.rrc_rg_outsynch_ind==TRUE){
//outsynch detected- read it
protocol_bs->rrc.rrc_rg_outsynch_ind=FALSE;
for (data_ccTrCh=0; data_ccTrCh<maxCCTrCH_rg; data_ccTrCh++){
if (protocol_bs->rrc.rrc_rg_cctrch_outsynch[data_ccTrCh]==TRUE){
#ifdef DEBUG_RRC_STATE
msg("[RRC_RG][CPHY] Out-Synch detected for mobile %d and CCTRCH %d \n",UE_Id, data_ccTrCh);
#endif
protocol_bs->rrc.rrc_rg_cctrch_outsynch[data_ccTrCh]=FALSE;
UE_Id = protocol_bs->rrc.rrc_rg_cctrch_crnti[data_ccTrCh];
//rrc_RG_PHY_Connection_Loss_rx(UE_Id); Now in FSM
rrc_rg_fsm_control(UE_Id, RRC_CONNECT_LOSS);
}
}
}
*/
int UE_Id = 0; // Temp - hard coded
int data_ccTrCh; // Temp - hard coded
// First step is to test InSynch conditions
// for (UE_Id =0; UE_Id <maxUsers ; UE_Id ++){
//
/*
if (rrc_rg_tick[UE_Id] > 2000) { // LG WAS 15000
rrc_rg_tick[UE_Id] = 0;
msg ("[RRC_RG][CPHY] Mobile %d OUT due to lack of mesures \n\n\n\n", UE_Id);
protocol_bs->rrc.rrc_rg_outsynch_ind = TRUE;
for (data_ccTrCh = 0; data_ccTrCh < maxCCTrCH_rg; data_ccTrCh++) {
if (UE_Id == protocol_bs->rrc.rrc_rg_cctrch_crnti[data_ccTrCh])
protocol_bs->rrc.rrc_rg_cctrch_outsynch[data_ccTrCh] = TRUE;
}
}
*/
// if (rrc_rg_tick[UE_Id ]>1000){
// rrc_rg_fsm_control (UE_Id, RRC_CONNECT_LOSS);
// #ifdef DEBUG_RRC_STATE
// msg ("[RRC_RG][CPHY] Mobile %d \n\n\n \n", UE_Id);
// #endif
// }
// }
if (protocol_bs->rrc.rrc_rg_synch_ind == TRUE) {
//insynch detected- read it
protocol_bs->rrc.rrc_rg_synch_ind = FALSE;
for (data_ccTrCh = 0; data_ccTrCh < maxCCTrCH_rg; data_ccTrCh++) {
if (protocol_bs->rrc.rrc_rg_cctrch_synch[data_ccTrCh] == TRUE) {
#ifdef DEBUG_RRC_STATE
msg ("[RRC_RG][CPHY] In-Synch detected for mobile %d and CCTRCH %d \n", UE_Id, data_ccTrCh);
#endif
protocol_bs->rrc.rrc_rg_cctrch_synch[data_ccTrCh] = FALSE;
UE_Id = protocol_bs->rrc.rrc_rg_pending_UE;
protocol_bs->rrc.rrc_rg_cctrch_crnti[data_ccTrCh] = UE_Id;
//rrc_RG_PHY_Synch_rx(UE_Id); Now in FSM
rrc_rg_fsm_control (UE_Id, UE_PHY_SYNCH);
}
}
}
// Next step is to test OutOfSynch conditions
if (protocol_bs->rrc.rrc_rg_outsynch_ind == TRUE) {
//outsynch detected- read it
protocol_bs->rrc.rrc_rg_outsynch_ind = FALSE;
for (data_ccTrCh = 0; data_ccTrCh < maxCCTrCH_rg; data_ccTrCh++) {
if (protocol_bs->rrc.rrc_rg_cctrch_outsynch[data_ccTrCh] == TRUE) {
#ifdef DEBUG_RRC_STATE
msg ("[RRC_RG][CPHY] Out-Synch detected for mobile %d and CCTRCH %d \n", UE_Id, data_ccTrCh);
#endif
protocol_bs->rrc.rrc_rg_cctrch_outsynch[data_ccTrCh] = FALSE;
UE_Id = protocol_bs->rrc.rrc_rg_cctrch_crnti[data_ccTrCh];
//rrc_RG_PHY_Connection_Loss_rx(UE_Id); Now in FSM
rrc_rg_fsm_control (UE_Id, RRC_CONNECT_LOSS);
}
}
}
}
//-------------------------------------------------------------------
void rrc_process_sib18 (void){
//-------------------------------------------------------------------
struct rrc_rg_nas_neighbor_list *p;
p = (struct rrc_rg_nas_neighbor_list *)protocol_bs->rrc.rg_bch_blocks.currSIB18.cellIdentities.data;
// (char *) p = protocol_bs->rrc.rg_bch_blocks.currSIB18.cellIdentities.data;
protocol_bs->rrc.num_cells = p->num_rg;
#ifdef DEBUG_RRC_STATE
msg ("[RRC_RG][SIB18] Number of cells %d \n", protocol_bs->rrc.num_cells);
if (protocol_bs->rrc.num_cells < protocol_bs->rrc.rg_cell_id)
msg ("\n\n NETWORK CONFIGURATION - RG cell_id %d, Number of cells %d\n\n", protocol_bs->rrc.rg_cell_id, protocol_bs->rrc.num_cells);
#endif
}
// TEMP OPEMAIR : The 3 next functions provide some dummy values for L1 and L2 measurements.
// To be replaced when interface is set-up.
//-------------------------------------------------------------------
// Performs the BS Traffic Volume measurements in L1
void rrc_rg_measure_tv (int meas_ix){
//-------------------------------------------------------------------
int i, numRBs;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].identity = meas_ix;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].meas_results_type = IX_tvbM;
// Traffic Volume measurements - Temp dummy values
numRBs = MAXMEASRBS;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].tv_num_rbs = numRBs;
for (i = 0; i < numRBs; i++) {
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].tv_rbid[i] = i;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].tv_rb_payload[i] = 2 * i; //0-19
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].tv_rb_average[i] = (2 * i) + 5; //0-19
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].tv_rb_variance[i] = i + 2; //0-104
}
}
//-------------------------------------------------------------------
// Performs the Quality measurements in L1
void rrc_rg_measure_q (int meas_ix){
//-------------------------------------------------------------------
// u16 q_num_TrCH;
// u16 q_dl_TrCH_id[MAXMEASTRCH];
// u16 q_dl_TrCH_BLER[MAXMEASTRCH];
// u16 q_num_tfcs;
// u16 q_tfcs_id[MAXMEASTFCS];
// u16 q_sir[MAXMEASTFCS][maxTS];
int i,j,numTrCH=MAXMEASTRCH,numTFCS=MAXMEASTFCS;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].identity =meas_ix;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].meas_results_type = IX_qbM;
// Quality measurements - Temp dummy values
numTrCH = MAXMEASTRCH;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].q_num_TrCH = numTrCH;
for (i=0; i<numTrCH; i++){
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].q_dl_TrCH_id[i]=i;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].q_dl_TrCH_BLER[i]=((i+1)*4)-1; //0-63
}
numTFCS = MAXMEASTFCS;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].q_num_tfcs = numTFCS;
for (i=0; i<numTFCS; i++){
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].q_tfcs_id[i]=i;
for (j=0; j<14; j++)
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].q_sir[i][j]=(5*(i+1))+j+10; //0-63
}
}
//-------------------------------------------------------------------
// Performs the Internal BS measurements in L1
void rrc_rg_measure_int_bs (int meas_ix){
//-------------------------------------------------------------------
// u16 num_measurement_counter;
// u16 identity;
// u16 meas_results_type;
// u16 int_xmit_power[numANTENNAS][maxTS];
// u16 int_rscp[maxTS][MAXCH];
int i,j,numCH;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].identity =meas_ix;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].meas_results_type = IX_ibsM;
numCH=MAXCH;
// internal UE measurements - Temp dummy values
for (i=0; i<14; i++){
for (j=0; j<numANTENNAS; j++)
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].int_xmit_power[j][i]=25+(6*i)+(2*j); //0-104
for (j=0; j<numCH; j++)
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[meas_ix].int_rscp[i][j]=12+(3*i)+(2*j); //range ??
}
}
//-------------------------------------------------------------------
// Triggers the necessary measurements in L1
void rrc_rg_sync_measures (int time){
//-------------------------------------------------------------------
int i;
for (i = 0; i < 2 * maxUsers + 1; i++) {
//check if measure needed
if (protocol_bs->rrc.rg_meas_blocks.rrc_rg_bs_meas_next[i] == time) {
// perform the measurement
switch (protocol_bs->rrc.rg_meas_blocks.bs_meas_cmd[i].type) {
case IX_tvbM:
// Measurement Report - Traffic Volume
#ifdef DEBUG_RRC_MEASURE_REPORT_MAIN
msg ("[RRC_MSG] RG prepares Measurement Report (Traffic Volume) at time : %d\n\n", time);
#endif
rrc_rg_measure_tv (i);
break;
case IX_qbM:
// Measurement Report - Quality
#ifdef DEBUG_RRC_MEASURE_REPORT_MAIN
msg ("[RRC_MSG] RG prepares Measurement Report (Quality) at time : %d\n\n", time);
#endif
rrc_rg_measure_q (i);
break;
case IX_ibsM:
// Measurement Report - internal UE
#ifdef DEBUG_RRC_MEASURE_REPORT_MAIN
msg ("[RRC_MSG] RG prepares Measurement Report (Int BS) at time : %d\n\n", time);
#endif
rrc_rg_measure_int_bs (i);
break;
}
// Print measurements
#ifdef DEBUG_RRC_MEASURE_REPORT_MAIN
rrc_rg_print_bs_meas_report (&(protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[i]));
#endif
// Send Measurement to RRM
rrc_rg_send_bs_meas_report (i);
// Prepare next measurement if needed
if (--protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[i].meas_counter) {
//set next measure in table
protocol_bs->rrc.rg_meas_blocks.rrc_rg_bs_meas_next[i] = time + protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[i].meas_interval;
} else {
// clean up measurement control blocks
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[i].meas_start = 0;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[i].meas_counter = 0;
protocol_bs->rrc.rg_meas_blocks.bs_meas_rep[i].meas_interval = 0;
memset (&(protocol_bs->rrc.rg_meas_blocks.bs_meas_cmd[i]), 0, sizeof (struct rrc_rg_bs_meas_cmd));
protocol_bs->rrc.rg_meas_blocks.rrc_rg_bs_meas_next[i] = 0;
}
}
}
}
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