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PDCP config as two functions

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This commit is contained in:
Sakthivel Velumani
2022-09-14 18:14:05 -04:00
committed by laurent
parent ec21db63eb
commit 4fe3599a43
10 changed files with 106 additions and 191 deletions
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3
doc/SW_archi.md
View File

@@ -344,7 +344,8 @@ pdcp_config_set_security(): not yet developped
nr_DRB_preconfiguration(): the mac layer calls this for ???
nr_rrc_pdcp_config_asn1_req() adds a UE in pdcp, pdcp_remove_UE() removes it
nr_pdcp_add_srbs() adds UE SRBs in pdcp, pdcp_remove_UE() removes it
nr_pdcp_add_drbs() adds UE DRBs in pdcp, pdcp_remove_UE() removes it
# GTP
Gtp + UDP are two twin threads performing the data plane interface to the core network

1
openair2/ENB_APP/enb_app.c
View File

@@ -41,7 +41,6 @@
# include "intertask_interface.h"
# include "s1ap_eNB.h"
# include "sctp_eNB_task.h"
# include "gtpv1u_eNB_task.h"
# include "x2ap_eNB.h"
# include "x2ap_messages_types.h"

118
openair2/LAYER2/nr_pdcp/nr_pdcp_oai_api.c
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@@ -911,11 +911,11 @@ static void add_srb(int is_gnb, int rnti, struct NR_SRB_ToAddMod *s,
nr_pdcp_manager_unlock(nr_pdcp_ue_manager);
}
static void add_drb_am(int is_gnb, int rnti, struct NR_DRB_ToAddMod *s,
int ciphering_algorithm,
int integrity_algorithm,
unsigned char *ciphering_key,
unsigned char *integrity_key)
void add_drb_am(int is_gnb, int rnti, struct NR_DRB_ToAddMod *s,
int ciphering_algorithm,
int integrity_algorithm,
unsigned char *ciphering_key,
unsigned char *integrity_key)
{
nr_pdcp_entity_t *pdcp_drb;
nr_pdcp_ue_t *ue;
@@ -1038,72 +1038,45 @@ static void add_drb(int is_gnb, int rnti, struct NR_DRB_ToAddMod *s,
LOG_I(PDCP, "%s:%s:%d: added DRB for UE RNTI %x\n", __FILE__, __FUNCTION__, __LINE__, rnti);
}
bool nr_rrc_pdcp_config_asn1_req(const protocol_ctxt_t *const ctxt_pP,
NR_SRB_ToAddModList_t *const srb2add_list,
NR_DRB_ToAddModList_t *const drb2add_list,
NR_DRB_ToReleaseList_t *const drb2release_list,
const uint8_t security_modeP,
uint8_t *const kRRCenc,
uint8_t *const kRRCint,
uint8_t *const kUPenc,
uint8_t *const kUPint,
LTE_PMCH_InfoList_r9_t *pmch_InfoList_r9,
rb_id_t *const defaultDRB,
struct NR_CellGroupConfig__rlc_BearerToAddModList *rlc_bearer2add_list)
{
int rnti = ctxt_pP->rnti;
int i;
if (//ctxt_pP->enb_flag != 1 ||
ctxt_pP->module_id != 0 ||
ctxt_pP->instance != 0 ||
ctxt_pP->eNB_index != 0 ||
//ctxt_pP->configured != 2 ||
//srb2add_list == NULL ||
//drb2add_list != NULL ||
//drb2release_list != NULL ||
//security_modeP != 255 ||
//kRRCenc != NULL ||
//kRRCint != NULL ||
//kUPenc != NULL ||
pmch_InfoList_r9 != NULL /*||
defaultDRB != NULL */) {
LOG_I(PDCP,"Releasing DRBs, oops\n");
TODO;
}
void nr_pdcp_add_srbs(eNB_flag_t enb_flag, rnti_t rnti,
NR_SRB_ToAddModList_t *const srb2add_list,
const uint8_t security_modeP,
uint8_t *const kRRCenc,
uint8_t *const kRRCint) {
if (srb2add_list != NULL) {
for (i = 0; i < srb2add_list->list.count; i++) {
add_srb(ctxt_pP->enb_flag,rnti, srb2add_list->list.array[i],
for (int i = 0; i < srb2add_list->list.count; i++) {
add_srb(enb_flag,rnti, srb2add_list->list.array[i],
security_modeP & 0x0f, (security_modeP >> 4) & 0x0f,
kRRCenc, kRRCint);
}
}
} else
LOG_W(PDCP, "nr_pdcp_add_srbs() with void list\n");
if (kRRCenc)
free(kRRCenc);
if (kRRCint)
free(kRRCint);
}
void nr_pdcp_add_drbs(eNB_flag_t enb_flag, rnti_t rnti,
NR_DRB_ToAddModList_t *const drb2add_list,
const uint8_t security_modeP,
uint8_t *const kUPenc,
uint8_t *const kUPint,
struct NR_CellGroupConfig__rlc_BearerToAddModList *rlc_bearer2add_list) {
if (drb2add_list != NULL) {
for (i = 0; i < drb2add_list->list.count; i++) {
add_drb(ctxt_pP->enb_flag, rnti, drb2add_list->list.array[i],
for (int i = 0; i < drb2add_list->list.count; i++) {
add_drb(enb_flag, rnti, drb2add_list->list.array[i],
rlc_bearer2add_list->list.array[i]->rlc_Config,
security_modeP & 0x0f, (security_modeP >> 4) & 0x0f,
kUPenc, kUPint);
}
}
/* update security */
if (kRRCint != NULL) {
/* todo */
}
if (drb2release_list != NULL) {
// TODO
}
free(kRRCenc);
free(kRRCint);
free(kUPenc);
free(kUPint);
return 0;
} else
LOG_W(PDCP, "nr_pdcp_add_drbs() with void list\n");
if (kUPenc)
free(kUPenc);
if (kUPint)
free(kUPint);
}
/* Dummy function due to dependency from LTE libraries */
@@ -1190,21 +1163,14 @@ void nr_DRB_preconfiguration(uint16_t crnti)
else{
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, 0, ENB_FLAG_NO, crnti, 0, 0,0);
}
nr_rrc_pdcp_config_asn1_req(
&ctxt,
(NR_SRB_ToAddModList_t *) NULL,
rbconfig->drb_ToAddModList ,
rbconfig->drb_ToReleaseList,
0,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
Rlc_Bearer_ToAdd_list);
nr_pdcp_add_drbs(ctxt.enb_flag, ctxt.rnti,
rbconfig->drb_ToAddModList ,
0,
NULL,
NULL,
Rlc_Bearer_ToAdd_list);
nr_rrc_rlc_config_asn1_req (&ctxt,
(NR_SRB_ToAddModList_t *) NULL,
rbconfig->drb_ToAddModList,

1
openair2/MCE_APP/mce_app.c
View File

@@ -41,7 +41,6 @@
# include "intertask_interface.h"
# include "s1ap_eNB.h"
# include "sctp_eNB_task.h"
# include "gtpv1u_eNB_task.h"
# include "x2ap_eNB.h"
# include "x2ap_messages_types.h"

24
openair2/RRC/NR/nr_rrc_proto.h
View File

@@ -210,17 +210,17 @@ rlc_op_status_t nr_rrc_rlc_config_asn1_req (const protocol_ctxt_t * const ctxt
const LTE_PMCH_InfoList_r9_t * const pmch_InfoList_r9_pP,
struct NR_CellGroupConfig__rlc_BearerToAddModList *rlc_bearer2add_list);
bool nr_rrc_pdcp_config_asn1_req(const protocol_ctxt_t *const ctxt_pP,
NR_SRB_ToAddModList_t *const srb2add_list,
NR_DRB_ToAddModList_t *const drb2add_list,
NR_DRB_ToReleaseList_t *const drb2release_list,
const uint8_t security_modeP,
uint8_t *const kRRCenc,
uint8_t *const kRRCint,
uint8_t *const kUPenc,
uint8_t *const kUPint,
LTE_PMCH_InfoList_r9_t *pmch_InfoList_r9,
rb_id_t *const defaultDRB,
struct NR_CellGroupConfig__rlc_BearerToAddModList *rlc_bearer2add_list);
void nr_pdcp_add_srbs(eNB_flag_t enb_flag, rnti_t rnti,
NR_SRB_ToAddModList_t *const srb2add_list,
const uint8_t security_modeP,
uint8_t *const kRRCenc,
uint8_t *const kUPint);
void nr_pdcp_add_drbs(eNB_flag_t enb_flag, rnti_t rnti,
NR_DRB_ToAddModList_t *const drb2add_list,
const uint8_t security_modeP,
uint8_t *const kUPenc,
uint8_t *const kUPint,
struct NR_CellGroupConfig__rlc_BearerToAddModList *rlc_bearer2add_list);
#endif

72
openair2/RRC/NR/rrc_gNB.c
View File

@@ -312,23 +312,7 @@ void apply_macrlc_config(gNB_RRC_INST *rrc,
}
void apply_pdcp_config(rrc_gNB_ue_context_t *const ue_context_pP,
const protocol_ctxt_t *const ctxt_pP ) {
nr_rrc_pdcp_config_asn1_req(ctxt_pP,
ue_context_pP->ue_context.SRB_configList,
NULL,
NULL,
0,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
get_softmodem_params()->sa ? ue_context_pP->ue_context.masterCellGroup->rlc_BearerToAddModList : NULL);
}
//-----------------------------------------------------------------------------
void
@@ -374,7 +358,12 @@ rrc_gNB_generate_RRCSetup(
ue_context_pP->ue_context.ue_release_timer_thres = 1000;
/* TODO: this should go through the E1 interface */
apply_pdcp_config(ue_context_pP,ctxt_pP);
nr_pdcp_add_srbs(ctxt_pP->enb_flag,
ctxt_pP->rnti,
ue_context_pP->ue_context.SRB_configList,
0,
NULL,
NULL);
f1ap_dl_rrc_message_t dl_rrc = {
.old_gNB_DU_ue_id = 0xFFFFFF,
@@ -1324,19 +1313,21 @@ rrc_gNB_process_RRCReconfigurationComplete(
LOG_D(NR_RRC,"Configuring PDCP DRBs/SRBs for UE %x\n",ue_context_pP->ue_context.rnti);
nr_rrc_pdcp_config_asn1_req(ctxt_pP,
SRB_configList, // NULL,
DRB_configList,
DRB_Release_configList2,
(ue_context_pP->ue_context.integrity_algorithm << 4)
| ue_context_pP->ue_context.ciphering_algorithm,
kRRCenc,
kRRCint,
kUPenc,
kUPint,
NULL,
NULL,
get_softmodem_params()->sa ? ue_context_pP->ue_context.masterCellGroup->rlc_BearerToAddModList : NULL);
nr_pdcp_add_srbs(ctxt_pP->enb_flag, ctxt_pP->rnti,
SRB_configList,
(ue_context_pP->ue_context.integrity_algorithm << 4)
| ue_context_pP->ue_context.ciphering_algorithm,
kRRCenc,
kRRCint);
nr_pdcp_add_drbs(ctxt_pP->enb_flag, ctxt_pP->rnti,
DRB_configList,
(ue_context_pP->ue_context.integrity_algorithm << 4)
| ue_context_pP->ue_context.ciphering_algorithm,
kUPenc,
kUPint,
get_softmodem_params()->sa ? ue_context_pP->ue_context.masterCellGroup->rlc_BearerToAddModList : NULL);
/* Refresh SRBs/DRBs */
if (!NODE_IS_CU(RC.nrrrc[ctxt_pP->module_id]->node_type)) {
LOG_D(NR_RRC,"Configuring RLC DRBs/SRBs for UE %x\n",ue_context_pP->ue_context.rnti);
@@ -2180,27 +2171,6 @@ int nr_rrc_gNB_decode_ccch(protocol_ctxt_t *const ctxt_pP,
LOG_I(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT"CALLING RLC CONFIG SRB1 (rbid %d)\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
Idx);
// nr_rrc_pdcp_config_asn1_req(ctxt_pP,
// ue_context_p->ue_context.SRB_configList,
// NULL,
// NULL,
// 0xff,
// NULL,
// NULL,
// NULL,
// NULL,
// NULL,
// NULL,
// NULL);
// if (!NODE_IS_CU(RC.nrrrc[ctxt_pP->module_id]->node_type)) {
// nr_rrc_rlc_config_asn1_req(ctxt_pP,
// ue_context_p->ue_context.SRB_configList,
// NULL,
// NULL,
// NULL,
// NULL);
// }
}
break;

20
openair2/RRC/NR/rrc_gNB_nsa.c
View File

@@ -383,21 +383,15 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_
ctxt.subframe,
ctxt.eNB_index);
nr_rrc_pdcp_config_asn1_req(&ctxt,
get_softmodem_params()->sa ? ue_context_p->ue_context.rb_config->srb_ToAddModList : (NR_SRB_ToAddModList_t *) NULL,
ue_context_p->ue_context.rb_config->drb_ToAddModList ,
ue_context_p->ue_context.rb_config->drb_ToReleaseList,
(ue_context_p->ue_context.integrity_algorithm << 4) | ue_context_p->ue_context.ciphering_algorithm,
NULL, /* kRRCenc - unused */
NULL, /* kRRCint - unused */
kUPenc, /* kUPenc */
kUPint, /* kUPint */
NULL,
NULL,
ue_context_p->ue_context.secondaryCellGroup->rlc_BearerToAddModList);
nr_pdcp_add_drbs(ctxt.enb_flag, ctxt.rnti,
ue_context_p->ue_context.rb_config->drb_ToAddModList ,
(ue_context_p->ue_context.integrity_algorithm << 4) | ue_context_p->ue_context.ciphering_algorithm,
kUPenc,
kUPint,
ue_context_p->ue_context.secondaryCellGroup->rlc_BearerToAddModList);
nr_rrc_rlc_config_asn1_req(&ctxt,
get_softmodem_params()->sa ? ue_context_p->ue_context.rb_config->srb_ToAddModList : (NR_SRB_ToAddModList_t *) NULL,
get_softmodem_params()->sa ? ue_context_p->ue_context.rb_config->srb_ToAddModList : NULL,
ue_context_p->ue_context.rb_config->drb_ToAddModList,
ue_context_p->ue_context.rb_config->drb_ToReleaseList,
(LTE_PMCH_InfoList_r9_t *) NULL,

55
openair2/RRC/NR_UE/rrc_UE.c
View File

@@ -1970,19 +1970,12 @@ nr_rrc_ue_establish_srb2(
NR_UE_rrc_inst[ctxt_pP->module_id].kgnb, &kRRCint);
// Refresh SRBs
nr_rrc_pdcp_config_asn1_req(ctxt_pP,
radioBearerConfig->srb_ToAddModList,
NULL,
NULL,
NR_UE_rrc_inst[ctxt_pP->module_id].cipheringAlgorithm |
(NR_UE_rrc_inst[ctxt_pP->module_id].integrityProtAlgorithm << 4),
kRRCenc,
kRRCint,
NULL,
NULL,
NULL,
NULL,
NR_UE_rrc_inst[ctxt_pP->module_id].cell_group_config->rlc_BearerToAddModList);
nr_pdcp_add_srbs(ctxt_pP->enb_flag, ctxt_pP->rnti,
radioBearerConfig->srb_ToAddModList,
NR_UE_rrc_inst[ctxt_pP->module_id].cipheringAlgorithm |
(NR_UE_rrc_inst[ctxt_pP->module_id].integrityProtAlgorithm << 4),
kRRCenc,
kRRCint);
// Refresh SRBs
nr_rrc_rlc_config_asn1_req(ctxt_pP,
radioBearerConfig->srb_ToAddModList,
@@ -2075,27 +2068,21 @@ nr_rrc_ue_establish_srb2(
NR_UE_rrc_inst[ctxt_pP->module_id].kgnb, &kUPint);
// Refresh DRBs
nr_rrc_pdcp_config_asn1_req(ctxt_pP,
NULL,
radioBearerConfig->drb_ToAddModList,
NULL,
NR_UE_rrc_inst[ctxt_pP->module_id].cipheringAlgorithm
| (NR_UE_rrc_inst[ctxt_pP->module_id].integrityProtAlgorithm << 4),
NULL,
NULL,
kUPenc,
kUPint,
NULL,
NR_UE_rrc_inst[ctxt_pP->module_id].defaultDRB,
NR_UE_rrc_inst[ctxt_pP->module_id].cell_group_config->rlc_BearerToAddModList);
// Refresh DRBs
nr_rrc_rlc_config_asn1_req(ctxt_pP,
NULL,
radioBearerConfig->drb_ToAddModList,
NULL,
NULL,
NR_UE_rrc_inst[ctxt_pP->module_id].cell_group_config->rlc_BearerToAddModList
);
nr_pdcp_add_drbs(ctxt_pP->enb_flag, ctxt_pP->rnti,
radioBearerConfig->drb_ToAddModList,
NR_UE_rrc_inst[ctxt_pP->module_id].cipheringAlgorithm
| (NR_UE_rrc_inst[ctxt_pP->module_id].integrityProtAlgorithm << 4),
kUPenc,
kUPint,
NR_UE_rrc_inst[ctxt_pP->module_id].cell_group_config->rlc_BearerToAddModList);
// Refresh DRBs
nr_rrc_rlc_config_asn1_req(ctxt_pP,
NULL,
radioBearerConfig->drb_ToAddModList,
NULL,
NULL,
NR_UE_rrc_inst[ctxt_pP->module_id].cell_group_config->rlc_BearerToAddModList
);
} // drb_ToAddModList //
if (radioBearerConfig->drb_ToReleaseList != NULL) {

2
openair2/SDAP/nr_sdap/nr_sdap.c
View File

@@ -74,7 +74,7 @@ void sdap_data_ind(rb_id_t pdcp_entity,
sdap_entity = nr_sdap_get_entity(ue_id, pdusession_id);
if(sdap_entity == NULL) {
LOG_E(SDAP, "%s:%d:%s: Entity not found for ue rnti: %x and pdusession id: %d\n", __FILE__, __LINE__, __FUNCTION__, rnti, pdusession_id);
LOG_E(SDAP, "%s:%d:%s: Entity not found for ue rnti: %lu and pdusession id: %d\n", __FILE__, __LINE__, __FUNCTION__, ue_id, pdusession_id);
return;
}

1
openair3/MME_APP/mme_app.c
View File

@@ -41,7 +41,6 @@
# include "intertask_interface.h"
# include "s1ap_eNB.h"
# include "sctp_eNB_task.h"
# include "gtpv1u_eNB_task.h"
# include "x2ap_eNB.h"
# include "x2ap_messages_types.h"