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Commit ec627f7c authored by Raymond Knopp's avatar Raymond Knopp
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nr-ip-over-LTE: Add checks for noS1 use case (gNB side)

parent 46c8d181
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Showing with 115 additions and 114 deletions
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
View file @ ec627f7c
......@@ -33,7 +33,7 @@
#include "mac_proto.h"
#include "PHY/NR_TRANSPORT/nr_dlsch.h"
#include "PHY/NR_TRANSPORT/nr_dci.h"
#include "targets/RT/USER/lte-softmodem.h"
#include "executables/nr-softmodem.h"
extern RAN_CONTEXT_t RC;
/*Scheduling of DLSCH with associated DCI in common search space
......@@ -457,7 +457,7 @@ void nr_schedule_uss_dlsch_phytest(module_id_t module_idP,
memcpy(nr_mac->UE_list.DLSCH_pdu[CC_id][0][0].payload[0],DLSCH_pdu.payload[0],TBS_bytes);
LOG_I(MAC, "Printing payload bytes at the gNB side: \n");
LOG_I(MAC, "Printing payload bytes at the gNB side, Frame: %d, slot: %d : \n", frameP, slotP);
for(int i = 0; i < TBS_bytes; i++) { //dlsch_pdu_rel15->transport_block_size/8 6784/8
LOG_I(MAC, "%x. ", ((uint8_t *)nr_mac->UE_list.DLSCH_pdu[CC_id][0][0].payload[0])[i]);
}
......@@ -480,6 +480,7 @@ void nr_schedule_uss_dlsch_phytest(module_id_t module_idP,
TBS_bytes = configure_fapi_dl_Tx(dl_req, TX_req, cfg, &nr_mac->coreset[CC_id][1], &nr_mac->search_space[CC_id][1], nr_mac->pdu_index[CC_id]);
// HOT FIX for all zero pdu problem
// ------------------------------------------------------------------------------------------------
LOG_I(MAC, "Printing payload bytes at the gNB side, Frame: %d, slot: %d : \n", frameP, slotP);
for(int i = 0; i < TBS_bytes; i++) {
((uint8_t *)nr_mac->UE_list.DLSCH_pdu[CC_id][0][0].payload[0])[i] = (unsigned char) rand();
LOG_I(MAC, "%x. ", ((uint8_t *)nr_mac->UE_list.DLSCH_pdu[CC_id][0][0].payload[0])[i]);
......
openair2/LAYER2/NR_MAC_gNB/main.c
View file @ ec627f7c
......@@ -40,6 +40,7 @@
//#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
#include "common/ran_context.h"
#include "executables/nr-softmodem.h"
extern RAN_CONTEXT_t RC;
......@@ -127,6 +128,9 @@ void mac_top_init_gNB(void)
// These should be out of here later
pdcp_layer_init();
if(IS_SOFTMODEM_NOS1)
nr_ip_over_LTE_DRB_preconfiguration();
rrc_init_nr_global_param();
}else {
......
openair2/LAYER2/PDCP_v10.1.0/pdcp.c
View file @ ec627f7c
......@@ -358,7 +358,16 @@ boolean_t pdcp_data_req(
LOG_D(PDCP, "pdcp data req on drb %d, size %d, rnti %x, node_type %d \n",
rb_idP, pdcp_pdu_size, ctxt_pP->rnti, RC.rrc[ctxt_pP->module_id]->node_type);
if (ctxt_pP->enb_flag == ENB_FLAG_YES && NODE_IS_DU(ngran_gNB)) { //RC.rrc[ctxt_pP->module_id]->node_type
// The check on nos1 is done only for the use case of LTE stack running over 5g-nr PHY. This should be changed
// before future merge of develop with develop-nr and instead of a check of IS_SOFTMODEM_NOS1, we should use a check
// with a new execution option capturing the nr-ip-over-LTE-stack use case.
ngran_node_t node_type;
if (IS_SOFTMODEM_NOS1)
node_type = ngran_gNB;
else
node_type = RC.rrc[ctxt_pP->module_id]->node_type;
if (ctxt_pP->enb_flag == ENB_FLAG_YES && NODE_IS_DU(node_type)) { //RC.rrc[ctxt_pP->module_id]->node_type
LOG_E(PDCP, "Can't be DU, bad node type %d \n", RC.rrc[ctxt_pP->module_id]->node_type);
ret=FALSE;
} else {
......@@ -2222,6 +2231,103 @@ void pdcp_module_cleanup (void)
{
}
void nr_ip_over_LTE_DRB_preconfiguration(void){
// Addition for the use-case of 4G stack on top of 5G-NR.
// We need to configure pdcp and rlc instances without having an actual
// UE RRC Connection. In order to be able to test the NR PHY with some injected traffic
// on top of the LTE stack.
protocol_ctxt_t ctxt;
LTE_DRB_ToAddModList_t* DRB_configList=NULL;
DRB_configList = CALLOC(1, sizeof(LTE_DRB_ToAddModList_t));
struct LTE_LogicalChannelConfig *DRB_lchan_config = NULL;
struct LTE_RLC_Config *DRB_rlc_config = NULL;
struct LTE_PDCP_Config *DRB_pdcp_config = NULL;
struct LTE_PDCP_Config__rlc_UM *PDCP_rlc_UM = NULL;
struct LTE_DRB_ToAddMod *DRB_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters *DRB_ul_SpecificParameters = NULL;
long *logicalchannelgroup_drb;
//Static preconfiguration of DRB
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->eps_BearerIdentity = CALLOC(1, sizeof(long));
// allowed value 5..15, value : x+4
*(DRB_config->eps_BearerIdentity) = 1; //ue_context_pP->ue_context.e_rab[i].param.e_rab_id;//+ 4; // especial case generation
// DRB_config->drb_Identity = 1 + drb_identity_index + e_rab_done;// + i ;// (DRB_Identity_t) ue_context_pP->ue_context.e_rab[i].param.e_rab_id;
// 1 + drb_identiy_index;
DRB_config->drb_Identity = 1;
DRB_config->logicalChannelIdentity = CALLOC(1, sizeof(long));
*(DRB_config->logicalChannelIdentity) = DRB_config->drb_Identity + 2; //(long) (ue_context_pP->ue_context.e_rab[i].param.e_rab_id + 2); // value : x+2
DRB_rlc_config = CALLOC(1, sizeof(*DRB_rlc_config));
DRB_config->rlc_Config = DRB_rlc_config;
DRB_pdcp_config = CALLOC(1, sizeof(*DRB_pdcp_config));
DRB_config->pdcp_Config = DRB_pdcp_config;
DRB_pdcp_config->discardTimer = CALLOC(1, sizeof(long));
*DRB_pdcp_config->discardTimer = LTE_PDCP_Config__discardTimer_infinity;
DRB_pdcp_config->rlc_AM = NULL;
DRB_pdcp_config->rlc_UM = NULL;
DRB_rlc_config->present = LTE_RLC_Config_PR_um_Bi_Directional;
DRB_rlc_config->choice.um_Bi_Directional.ul_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.t_Reordering = LTE_T_Reordering_ms35;
// PDCP
PDCP_rlc_UM = CALLOC(1, sizeof(*PDCP_rlc_UM));
DRB_pdcp_config->rlc_UM = PDCP_rlc_UM;
PDCP_rlc_UM->pdcp_SN_Size = LTE_PDCP_Config__rlc_UM__pdcp_SN_Size_len12bits;
DRB_pdcp_config->headerCompression.present = LTE_PDCP_Config__headerCompression_PR_notUsed;
DRB_lchan_config = CALLOC(1, sizeof(*DRB_lchan_config));
DRB_config->logicalChannelConfig = DRB_lchan_config;
DRB_ul_SpecificParameters = CALLOC(1, sizeof(*DRB_ul_SpecificParameters));
DRB_lchan_config->ul_SpecificParameters = DRB_ul_SpecificParameters;
DRB_ul_SpecificParameters->priority= 4;
DRB_ul_SpecificParameters->prioritisedBitRate = LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_kBps8;
//LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
DRB_ul_SpecificParameters->bucketSizeDuration =
LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
logicalchannelgroup_drb = CALLOC(1, sizeof(long));
*logicalchannelgroup_drb = 1;//(i+1) % 3;
DRB_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup_drb;
ASN_SEQUENCE_ADD(&DRB_configList->list,DRB_config);
if (ENB_NAS_USE_TUN){
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, 0, ENB_FLAG_YES, 0x1234, 0, 0,0);
}
else{
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, 0, ENB_FLAG_NO, 0x1234, 0, 0,0);
}
rrc_pdcp_config_asn1_req(&ctxt,
(LTE_SRB_ToAddModList_t *) NULL,
DRB_configList,
(LTE_DRB_ToReleaseList_t *) NULL,
0xff, NULL, NULL, NULL
//#if (RRC_VERSION >= MAKE_VERSION(10, 0, 0))
, (LTE_PMCH_InfoList_r9_t *) NULL
//#endif
,NULL);
rrc_rlc_config_asn1_req(&ctxt,
(LTE_SRB_ToAddModList_t*)NULL,
DRB_configList,
(LTE_DRB_ToReleaseList_t*)NULL
//#if (RRC_VERSION >= MAKE_VERSION(10, 0, 0))
,(LTE_PMCH_InfoList_r9_t *)NULL
, 0, 0
//#endif
);
}
//-----------------------------------------------------------------------------
void pdcp_layer_init(void)
//-----------------------------------------------------------------------------
......@@ -2300,117 +2406,6 @@ void pdcp_layer_init(void)
memset(Pdcp_stats_rx_aiat, 0, sizeof(Pdcp_stats_rx_aiat));
memset(Pdcp_stats_rx_iat, 0, sizeof(Pdcp_stats_rx_iat));
memset(Pdcp_stats_rx_outoforder, 0, sizeof(Pdcp_stats_rx_outoforder));
// Addition for the use-case of 4G stack on top of 5G-NR.
// We need to configure pdcp and rlc instances without having an actual
// UE RRC Connection. Just to be able to test the NR PHY with some injected traffic
// on top of the LTE stack.
protocol_ctxt_t ctxt;
LTE_DRB_ToAddModList_t* DRB_configList=NULL;
DRB_configList = CALLOC(1, sizeof(LTE_DRB_ToAddModList_t));
struct LTE_LogicalChannelConfig *DRB_lchan_config = NULL;
struct LTE_RLC_Config *DRB_rlc_config = NULL;
struct LTE_PDCP_Config *DRB_pdcp_config = NULL;
struct LTE_PDCP_Config__rlc_UM *PDCP_rlc_UM = NULL;
struct LTE_DRB_ToAddMod *DRB_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters *DRB_ul_SpecificParameters = NULL;
long *logicalchannelgroup_drb;
//Static preconfiguration of DRB
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->eps_BearerIdentity = CALLOC(1, sizeof(long));
// allowed value 5..15, value : x+4
*(DRB_config->eps_BearerIdentity) = 1; //ue_context_pP->ue_context.e_rab[i].param.e_rab_id;//+ 4; // especial case generation
// DRB_config->drb_Identity = 1 + drb_identity_index + e_rab_done;// + i ;// (DRB_Identity_t) ue_context_pP->ue_context.e_rab[i].param.e_rab_id;
// 1 + drb_identiy_index;
DRB_config->drb_Identity = 1;
DRB_config->logicalChannelIdentity = CALLOC(1, sizeof(long));
*(DRB_config->logicalChannelIdentity) = DRB_config->drb_Identity + 2; //(long) (ue_context_pP->ue_context.e_rab[i].param.e_rab_id + 2); // value : x+2
DRB_rlc_config = CALLOC(1, sizeof(*DRB_rlc_config));
DRB_config->rlc_Config = DRB_rlc_config;
DRB_pdcp_config = CALLOC(1, sizeof(*DRB_pdcp_config));
DRB_config->pdcp_Config = DRB_pdcp_config;
DRB_pdcp_config->discardTimer = CALLOC(1, sizeof(long));
*DRB_pdcp_config->discardTimer = LTE_PDCP_Config__discardTimer_infinity;
DRB_pdcp_config->rlc_AM = NULL;
DRB_pdcp_config->rlc_UM = NULL;
DRB_rlc_config->present = LTE_RLC_Config_PR_um_Bi_Directional;
DRB_rlc_config->choice.um_Bi_Directional.ul_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.t_Reordering = LTE_T_Reordering_ms35;
// PDCP
PDCP_rlc_UM = CALLOC(1, sizeof(*PDCP_rlc_UM));
DRB_pdcp_config->rlc_UM = PDCP_rlc_UM;
PDCP_rlc_UM->pdcp_SN_Size = LTE_PDCP_Config__rlc_UM__pdcp_SN_Size_len12bits;
DRB_pdcp_config->headerCompression.present = LTE_PDCP_Config__headerCompression_PR_notUsed;
DRB_lchan_config = CALLOC(1, sizeof(*DRB_lchan_config));
DRB_config->logicalChannelConfig = DRB_lchan_config;
DRB_ul_SpecificParameters = CALLOC(1, sizeof(*DRB_ul_SpecificParameters));
DRB_lchan_config->ul_SpecificParameters = DRB_ul_SpecificParameters;
DRB_ul_SpecificParameters->priority= 4;
DRB_ul_SpecificParameters->prioritisedBitRate = LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_kBps8;
//LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
DRB_ul_SpecificParameters->bucketSizeDuration =
LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
logicalchannelgroup_drb = CALLOC(1, sizeof(long));
*logicalchannelgroup_drb = 1;//(i+1) % 3;
DRB_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup_drb;
// Have to dins out how to fill the DRB_config and then feed it back to the list
/*
if (DRB_configList != NULL) {
LOG_D(RRC, "get DRB_config from (ue_context_pP->ue_context.DRB_configList)\n");
for (i = 0; (i < DRB_configList->list.count) && (i < 3); i++) {
DRB_config = DRB_configList->list.array[i];
// Add DRB to DRB configuration list, for RRCConnectionReconfigurationComplete
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
}
}
*/
ASN_SEQUENCE_ADD(&DRB_configList->list,DRB_config);
if (ENB_NAS_USE_TUN){
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, 0, ENB_FLAG_YES, 0x1234, 0, 0,0);
}
else{
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, 0, ENB_FLAG_NO, 0x1234, 0, 0,0);
}
rrc_pdcp_config_asn1_req(&ctxt,
(LTE_SRB_ToAddModList_t *) NULL,
DRB_configList,
(LTE_DRB_ToReleaseList_t *) NULL,
0xff, NULL, NULL, NULL
//#if (RRC_VERSION >= MAKE_VERSION(10, 0, 0))
, (LTE_PMCH_InfoList_r9_t *) NULL
//#endif
,NULL);
rrc_rlc_config_asn1_req(&ctxt,
(LTE_SRB_ToAddModList_t*)NULL,
DRB_configList,
(LTE_SRB_ToAddModList_t*)NULL
//#if (RRC_VERSION >= MAKE_VERSION(10, 0, 0))
,(LTE_PMCH_InfoList_r9_t *)NULL
, 0, 0
//#endif
);
}
//-----------------------------------------------------------------------------
......
openair2/LAYER2/PDCP_v10.1.0/pdcp.h
View file @ ec627f7c
......@@ -403,6 +403,7 @@ void pdcp_run (
const protocol_ctxt_t *const ctxt_pP);
uint64_t pdcp_module_init (uint64_t pdcp_optmask);
void pdcp_module_cleanup (void);
void nr_ip_over_LTE_DRB_preconfiguration (void);
void pdcp_layer_init (void);
void pdcp_layer_cleanup (void);
#define PDCP2NW_DRIVER_FIFO 21
......
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