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Enabling ITTI interactions between RRC and X2AP for the generation of sgb addition request ACK message at the gNB side

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This commit is contained in:
Sakthivel Velumani
2019-12-04 15:30:17 +01:00
parent bc580bd6be
commit 5bda11024d
8 changed files with 411 additions and 12 deletions
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openair2/COMMON/x2ap_messages_def.h
+1
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@@ -53,3 +53,4 @@ MESSAGE_DEF(X2AP_SENB_ADDITION_REQ , MESSAGE_PRIORITY_MED, x2ap_sen
/*SGnb bearer addition messages X2AP <-> RRC */
MESSAGE_DEF(X2AP_ENDC_SGNB_ADDITION_REQ , MESSAGE_PRIORITY_MED, x2ap_ENDC_sgnb_addition_req_t , x2ap_ENDC_sgnb_addition_req)
MESSAGE_DEF(X2AP_ENDC_SGNB_ADDITION_REQ_ACK , MESSAGE_PRIORITY_MED, x2ap_ENDC_sgnb_addition_req_ACK_t , x2ap_ENDC_sgnb_addition_req_ACK)
openair2/COMMON/x2ap_messages_types.h
+51 -11
View File
@@ -28,17 +28,18 @@
//-------------------------------------------------------------------------------------------//
// Defines to access message fields.
#define X2AP_REGISTER_ENB_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_register_enb_req
#define X2AP_SETUP_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_setup_req
#define X2AP_SETUP_RESP(mSGpTR) (mSGpTR)->ittiMsg.x2ap_setup_resp
#define X2AP_HANDOVER_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_handover_req
#define X2AP_HANDOVER_REQ_ACK(mSGpTR) (mSGpTR)->ittiMsg.x2ap_handover_req_ack
#define X2AP_REGISTER_ENB_CNF(mSGpTR) (mSGpTR)->ittiMsg.x2ap_register_enb_cnf
#define X2AP_DEREGISTERED_ENB_IND(mSGpTR) (mSGpTR)->ittiMsg.x2ap_deregistered_enb_ind
#define X2AP_UE_CONTEXT_RELEASE(mSGpTR) (mSGpTR)->ittiMsg.x2ap_ue_context_release
#define X2AP_HANDOVER_CANCEL(mSGpTR) (mSGpTR)->ittiMsg.x2ap_handover_cancel
#define X2AP_SENB_ADDITION_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_senb_addition_req
#define X2AP_ENDC_SGNB_ADDITION_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_ENDC_sgnb_addition_req
#define X2AP_REGISTER_ENB_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_register_enb_req
#define X2AP_SETUP_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_setup_req
#define X2AP_SETUP_RESP(mSGpTR) (mSGpTR)->ittiMsg.x2ap_setup_resp
#define X2AP_HANDOVER_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_handover_req
#define X2AP_HANDOVER_REQ_ACK(mSGpTR) (mSGpTR)->ittiMsg.x2ap_handover_req_ack
#define X2AP_REGISTER_ENB_CNF(mSGpTR) (mSGpTR)->ittiMsg.x2ap_register_enb_cnf
#define X2AP_DEREGISTERED_ENB_IND(mSGpTR) (mSGpTR)->ittiMsg.x2ap_deregistered_enb_ind
#define X2AP_UE_CONTEXT_RELEASE(mSGpTR) (mSGpTR)->ittiMsg.x2ap_ue_context_release
#define X2AP_HANDOVER_CANCEL(mSGpTR) (mSGpTR)->ittiMsg.x2ap_handover_cancel
#define X2AP_SENB_ADDITION_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_senb_addition_req
#define X2AP_ENDC_SGNB_ADDITION_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_ENDC_sgnb_addition_req
#define X2AP_ENDC_SGNB_ADDITION_REQ_ACK(mSGpTR) (mSGpTR)->ittiMsg.x2ap_ENDC_sgnb_addition_req_ACK
#define X2AP_MAX_NB_ENB_IP_ADDRESS 2
@@ -343,5 +344,44 @@ typedef struct x2ap_ENDC_sgnb_addition_req_s {
} x2ap_ENDC_sgnb_addition_req_t;
typedef struct x2ap_ENDC_sgnb_addition_req_ACK_s {
int ue_x2_id;
/* used for RRC->X2AP in source eNB */
int rnti;
security_capabilities_t security_capabilities;
/* SgNB Security Key */
uint8_t kgnb[32];
/*next_hop_chaining_coun */
long int kgnb_ncc;
/* UE aggregate maximum bitrate */
ambr_t ue_ambr;
uint8_t nb_e_rabs_tobeadded;
/* list of e_rab to be added by RRC layers */
e_rab_tobe_added_t e_rabs_tobeadded[S1AP_MAX_E_RAB];
/* list of e_rab to be setup by RRC layers */
e_rab_t e_rab_param[S1AP_MAX_E_RAB];
x2ap_lastvisitedcell_info_t lastvisitedcell_info;
uint8_t rrc_buffer[4096 /* arbitrary, big enough */];
int rrc_buffer_size;
int target_assoc_id;
/*long int pDCPatSgNB = X2AP_EN_DC_ResourceConfiguration__pDCPatSgNB_present;
long int mCGresources = X2AP_EN_DC_ResourceConfiguration__mCGresources_not_present;
long int sCGresources = X2AP_EN_DC_ResourceConfiguration__sCGresources_not_present;*/
} x2ap_ENDC_sgnb_addition_req_ACK_t;
#endif /* X2AP_MESSAGES_TYPES_H_ */
openair2/RRC/NR/rrc_gNB_nsa.c
+13
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@@ -104,6 +104,10 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_
rrc_gNB_carrier_data_t *carrier=&rrc->carrier;
MessageDef *msg;
msg = itti_alloc_new_message(TASK_RRC_ENB, X2AP_ENDC_SGNB_ADDITION_REQ_ACK);
X2AP_ENDC_SGNB_ADDITION_REQ_ACK(msg).rrc_buffer_size = 2048; //Need to verify correct value for the buffer_size
// NR RRCReconfiguration
AssertFatal(rrc->Nb_ue < MAX_NR_RRC_UE_CONTEXTS,"cannot add another UE\n");
@@ -130,7 +134,16 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_
NR_CG_Config_t *CG_Config = calloc(1,sizeof(*CG_Config));
memset((void*)CG_Config,0,sizeof(*CG_Config));
generate_CG_Config(rrc,CG_Config,ue_context_p->ue_context.reconfig,ue_context_p->ue_context.rb_config);
// Send to X2 entity to transport to MeNB
asn_enc_rval_t enc_rval = uper_encode_to_buffer(&asn_DEF_NR_CG_Config,
NULL,
(void *)CG_Config,
X2AP_ENDC_SGNB_ADDITION_REQ_ACK(msg).rrc_buffer,
X2AP_ENDC_SGNB_ADDITION_REQ_ACK(msg).rrc_buffer_size);
itti_send_msg_to_task(TASK_X2AP, ENB_MODULE_ID_TO_INSTANCE(0), msg); //Check right id instead of hardcoding
rrc->Nb_ue++;
// configure MAC and RLC
openair2/X2AP/x2ap_eNB.c
+48
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@@ -446,6 +446,47 @@ void x2ap_eNB_handle_handover_req_ack(instance_t instance,
x2ap_eNB_generate_x2_handover_request_ack(instance_p, target, x2ap_handover_req_ack);
}
static
void x2ap_eNB_handle_sgNB_add_req_ack(instance_t instance,
x2ap_ENDC_sgnb_addition_req_ACK_t *x2ap_ENDC_sgnb_addition_req_ACK)
{
/* TODO: remove this hack (the goal is to find the correct
* eNodeB structure for the other end) - we need a proper way for RRC
* and X2AP to identify eNodeBs
* RRC knows about mod_id and X2AP knows about eNB_id (eNB_ID in
* the configuration file)
* as far as I understand.. CROUX
*/
x2ap_eNB_instance_t *instance_p;
x2ap_eNB_data_t *target;
/*int source_assoc_id = x2ap_ENDC_sgnb_addition_req_ACK->source_assoc_id;
int ue_id;
int id_source;
int id_target;*/
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
/*target = x2ap_get_eNB(NULL, source_assoc_id, 0);
DevAssert(target != NULL);*/
// rnti is a new information, save it
/*ue_id = x2ap_handover_req_ack->x2_id_target;
id_source = x2ap_id_get_id_source(&instance_p->id_manager, ue_id);
id_target = ue_id;
x2ap_set_ids(&instance_p->id_manager, ue_id, x2ap_handover_req_ack->rnti, id_source, id_target);*/
//target = x2ap_get_eNB(NULL, 17, 0);
target = x2ap_is_eNB_id_in_list (3585); //Currently hardcoded. Need to extract it differently
DevAssert(target != NULL);
x2ap_eNB_generate_ENDC_x2_SgNB_addition_request_ACK(instance_p, target, x2ap_ENDC_sgnb_addition_req_ACK, 0);
}
static
void x2ap_eNB_ue_context_release(instance_t instance,
x2ap_ue_context_release_t *x2ap_ue_context_release)
@@ -511,6 +552,13 @@ void *x2ap_task(void *arg) {
&X2AP_UE_CONTEXT_RELEASE(received_msg));
break;
case X2AP_ENDC_SGNB_ADDITION_REQ_ACK:
x2ap_eNB_handle_sgNB_add_req_ack(ITTI_MESSAGE_GET_INSTANCE(received_msg),
&X2AP_ENDC_SGNB_ADDITION_REQ_ACK(received_msg));
LOG_I(X2AP, "Received elements for X2AP_ENDC_SGNB_ADDITION_REQ_ACK \n");
break;
case SCTP_INIT_MSG_MULTI_CNF:
x2ap_eNB_handle_sctp_init_msg_multi_cnf(ITTI_MESSAGE_GET_INSTANCE(received_msg),
&received_msg->ittiMsg.sctp_init_msg_multi_cnf);
openair2/X2AP/x2ap_eNB_generate_messages.c
+9
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@@ -1673,3 +1673,12 @@ int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request(
}
int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request_ACK( x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p,
x2ap_ENDC_sgnb_addition_req_ACK_t *x2ap_sgnb_addition_req_ACK, int ue_id)
{
return 0;
}
openair2/X2AP/x2ap_eNB_generate_messages.h
+2
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@@ -72,4 +72,6 @@ int x2ap_eNB_generate_ENDC_x2_setup_response( x2ap_eNB_instance_t *instance_p, x
int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request( x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p, int ue_id);
int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request_ACK( x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p, x2ap_ENDC_sgnb_addition_req_ACK_t *x2ap_sgnb_addition_req_ACK, int ue_id);
#endif /* X2AP_ENB_GENERATE_MESSAGES_H_ */
openair2/X2AP/x2ap_eNB_handler.c
+3 -1
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@@ -1470,7 +1470,7 @@ x2ap_eNB_handle_ENDC_x2_setup_request(instance_t instance,
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
//return x2ap_eNB_generate_ENDC_x2_setup_response(instance_p, x2ap_eNB_data);
x2ap_eNB_generate_ENDC_x2_setup_response(instance_p, x2ap_eNB_data);
return x2ap_eNB_generate_ENDC_x2_SgNB_addition_request(instance_p, x2ap_eNB_data,0);
}
@@ -1658,6 +1658,8 @@ int x2ap_gNB_handle_ENDC_sGNB_addition_request (instance_t instance,
x2ap_eNB_data = x2ap_get_eNB(NULL, assoc_id, 0);
DevAssert(x2ap_eNB_data != NULL);
X2AP_INFO("X2AP Association id: %d \n",assoc_id);
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.slave.conf
+284
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@@ -0,0 +1,284 @@
Active_gNBs = ( "gNB-Eurecom-5GNRBox");
# Asn1_verbosity, choice in: none, info, annoying
Asn1_verbosity = "none";
gNBs =
(
{
////////// Identification parameters:
gNB_ID = 0xe00;
cell_type = "CELL_MACRO_GNB";
gNB_name = "gNB-Eurecom-5GNRBox";
// Tracking area code, 0x0000 and 0xfffe are reserved values
tracking_area_code = 1;
plmn_list = ({mcc = 208; mnc = 93; mnc_length = 2;});
tr_s_preference = "local_mac"
////////// Physical parameters:
ssb_SubcarrierOffset = 0;
servingCellConfigCommon = (
{
#spCellConfigCommon
physCellId = 0;
# downlinkConfigCommon
#frequencyInfoDL
# this is 3600 MHz + 84 PRBs@30kHz SCS (same as initial BWP)
absoluteFrequencySSB = 642016;
dl_frequencyBand = 78;
# this is 3600 MHz
dl_absoluteFrequencyPointA = 640000;
#scs-SpecificCarrierList
dl_offstToCarrier = 0;
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
dl_subcarrierSpacing = 1;
dl_carrierBandwidth = 217;
#initialDownlinkBWP
#genericParameters
# this is RBstart=84,L=50 (275*(L-1))+RBstart
initialDLBWPlocationAndBandwidth = 13559;
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
initialDLBWPsubcarrierSpacing = 1;
#pdcch-ConfigCommon
initialDLBWPcontrolResourceSetZero = 12;
initialDLBWPsearchSpaceZero = 0;
#pdsch-ConfigCommon
#pdschTimeDomainAllocationList (up to 16 entries)
initialDLBWPk0_0 = 0;
#initialULBWPmappingType
#0=typeA,1=typeB
initialDLBWPmappingType_0 = 0;
#this is SS=2,L=3
initialDLBWPstartSymbolAndLength_0 = 40;
initialDLBWPk0_1 = 0;
initialDLBWPmappingType_1 = 0;
#this is SS=2,L=12
initialDLBWPstartSymbolAndLength_1 = 53;
initialDLBWPk0_2 = 0;
initialDLBWPmappingType_2 = 0;
#this is SS=1,L=12
initialDLBWPstartSymbolAndLength_2 = 54;
#uplinkConfigCommon
#frequencyInfoUL
ul_frequencyBand = 78;
#scs-SpecificCarrierList
ul_offstToCarrier = 0;
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
ul_subcarrierSpacing = 1;
ul_carrierBandwidth = 217;
pMax = 20;
#initialUplinkBWP
#genericParameters
initialULBWPlocationAndBandwidth = 13559;
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
initialULBWPsubcarrierSpacing = 1;
#rach-ConfigCommon
#rach-ConfigGeneric
prach_ConfigurationIndex = 98;
#prach_msg1_FDM
#0 = one, 1=two, 2=four, 3=eight
prach_msg1_FDM = 0;
prach_msg1_FrequencyStart = 0;
zeroCorrelationZoneConfig = 13;
preambleReceivedTargetPower = -118;
#preamblTransMax (0...10) = (3,4,5,6,7,8,10,20,50,100,200)
preambleTransMax = 6;
#powerRampingStep
# 0=dB0,1=dB2,2=dB4,3=dB6
powerRampingStep = 1;
#ra_ReponseWindow
#1,2,4,8,10,20,40,80
ra_ResponseWindow = 4;
#ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR
#0=oneeighth,1=onefourth,2=half,3=one,4=two,5=four,6=eight,7=sixteen
ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR = 3;
#oneHalf (0..15) 4,8,12,16,...60,64
ssb_perRACH_OccasionAndCB_PreamblesPerSSB = 15;
#ra_ContentionResolutionTimer
#(0..7) 8,16,24,32,40,48,56,64
ra_ContentionResolutionTimer = 7;
rsrp_ThresholdSSB = 19;
#prach-RootSequenceIndex_PR
#0 = 839, 1 = 139
prach_RootSequenceIndex_PR = 1;
prach_RootSequenceIndex = 1;
# SCS for msg1, can only be 15 for 30 kHz < 6 GHz, takes precendence over the one derived from prach-ConfigIndex
#
msg1_SubcarrierSpacing = 1,
# restrictedSetConfig
# 0=unrestricted, 1=restricted type A, 2=restricted type B
restrictedSetConfig = 0,
# pusch-ConfigCommon (up to 16 elements)
initialULBWPk2_0 = 2;
initialULBWPmappingType_0 = 1
# this is SS=0 L=11
initialULBWPstartSymbolAndLength_0 = 55;
initialULBWPk2_1 = 2;
initialULBWPmappingType_1 = 1;
# this is SS=0 L=12
initialULBWPstartSymbolAndLength_1 = 69;
msg3_DeltaPreamble = 1;
p0_NominalWithGrant =-90;
# pucch-ConfigCommon setup :
# pucchGroupHopping
# 0 = neither, 1= group hopping, 2=sequence hopping
pucchGroupHopping = 0;
hoppingId = 40;
p0_nominal = -90;
# ssb_PositionsInBurs_BitmapPR
# 1=short, 2=medium, 3=long
ssb_PositionsInBurst_PR = 2;
ssb_PositionsInBurst_Bitmap = 255;
# ssb_periodicityServingCell
# 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1
ssb_periodicityServingCell = 2
;
# dmrs_TypeA_position
# 0 = pos2, 1 = pos3
dmrs_TypeA_Position = 0;
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
subcarrierSpacing = 1;
#tdd-UL-DL-ConfigurationCommon
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
referenceSubcarrierSpacing = 2;
# pattern1
# dl_UL_TransmissionPeriodicity
# 0=ms0p5, 1=ms0p625, 2=ms1, 3=ms1p25, 4=ms2, 5=ms2p5, 6=ms5, 7=ms10
dl_UL_TransmissionPeriodicity = 0;
nrofDownlinkSlots = 7;
nrofDownlinkSymbols = 6;
nrofUplinkSlots = 2;
nrofUplinkSymbols = 4;
ssPBCH_BlockPower = 10;
}
);
# ------- SCTP definitions
SCTP :
{
# Number of streams to use in input/output
SCTP_INSTREAMS = 2;
SCTP_OUTSTREAMS = 2;
};
////////// MME parameters:
mme_ip_address = ( { ipv4 = "192.168.12.26";
ipv6 = "192:168:30::17";
active = "yes";
preference = "ipv4";
}
);
///X2
enable_x2 = "yes";
t_reloc_prep = 1000; /* unit: millisecond */
tx2_reloc_overall = 2000; /* unit: millisecond */
target_enb_x2_ip_address = (
{ ipv4 = "192.168.12.188";
ipv6 = "192:168:30::17";
preference = "ipv4";
}
);
NETWORK_INTERFACES :
{
GNB_INTERFACE_NAME_FOR_S1_MME = "eth0";
GNB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.107/24";
GNB_INTERFACE_NAME_FOR_S1U = "eth0";
GNB_IPV4_ADDRESS_FOR_S1U = "192.168.12.107/24";
GNB_PORT_FOR_S1U = 2152; # Spec 2152
GNB_IPV4_ADDRESS_FOR_X2C = "192.168.12.107/23";
GNB_PORT_FOR_X2C = 36422; # Spec 36422
};
}
);
MACRLCs = (
{
num_cc = 1;
tr_s_preference = "local_L1";
tr_n_preference = "local_RRC";
}
);
L1s = (
{
num_cc = 1;
tr_n_preference = "local_mac";
}
);
RUs = (
{
local_rf = "yes"
nb_tx = 1
nb_rx = 1
att_tx = 0
att_rx = 0;
bands = [7];
max_pdschReferenceSignalPower = -27;
max_rxgain = 114;
eNB_instances = [0];
sdr_addrs = "addr=192.168.20.2,mgmt_addr=192.168.20.2";
clock_src = "internal";
}
);
THREAD_STRUCT = (
{
#three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
parallel_config = "PARALLEL_RU_L1_TRX_SPLIT";
#two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
worker_config = "WORKER_ENABLE";
}
);
log_config :
{
global_log_level ="info";
global_log_verbosity ="medium";
hw_log_level ="info";
hw_log_verbosity ="medium";
phy_log_level ="info";
phy_log_verbosity ="medium";
mac_log_level ="info";
mac_log_verbosity ="high";
rlc_log_level ="info";
rlc_log_verbosity ="medium";
pdcp_log_level ="info";
pdcp_log_verbosity ="medium";
rrc_log_level ="info";
rrc_log_verbosity ="medium";
};