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Commit ab169427 authored by zhenghuangkun's avatar zhenghuangkun Committed by Haruki NAOI
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Modify HO Dedicate DRB Reconfiguration 

(cherry picked from commit 9f6e9ee61bbcbe827efcc5ca101d0afd8c34e1fd)
parent 3c4edbb3
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Showing with 207 additions and 58 deletions
openair2/RRC/LTE/rrc_eNB.c
View file @ ab169427
......@@ -3294,6 +3294,14 @@ void rrc_eNB_generate_defaultRRCConnectionReconfiguration(const protocol_ctxt_t
ASN_SEQUENCE_ADD(&(*DRB_configList)->list, DRB_config);
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
LOG_I(RRC,"EPS ID %ld, DRB ID %ld (index %d), QCI %d, priority %ld, LCID %ld LCGID %ld \n",
*DRB_config->eps_BearerIdentity,
DRB_config->drb_Identity, i,
ue_context_pP->ue_context.e_rab[i].param.qos.qci,
DRB_ul_SpecificParameters->priority,
*(DRB_config->logicalChannelIdentity),
*DRB_ul_SpecificParameters->logicalChannelGroup
);
}
/* MAC Main Config */
......@@ -5020,9 +5028,19 @@ void rrc_eNB_process_handoverPreparationInformation(int mod_id, x2ap_handover_re
ue_context_target_p->ue_context.e_rab[i].param.e_rab_id = m->e_rabs_tobesetup[i].e_rab_id;
ue_context_target_p->ue_context.e_rab[i].param.sgw_addr = m->e_rabs_tobesetup[i].eNB_addr;
ue_context_target_p->ue_context.e_rab[i].param.gtp_teid= m->e_rabs_tobesetup[i].gtp_teid;
LOG_I(RRC, "eNB %d: Update the UE context after HO, e_rab_id %u gtp_teid %u\n", mod_id,
ue_context_target_p->ue_context.e_rab[i].param.qos.qci = m->e_rab_param[i].qos.qci;
ue_context_target_p->ue_context.e_rab[i].param.qos.allocation_retention_priority.priority_level = m->e_rab_param[i].qos.allocation_retention_priority.priority_level;
ue_context_target_p->ue_context.e_rab[i].param.qos.allocation_retention_priority.pre_emp_capability = m->e_rab_param[i].qos.allocation_retention_priority.pre_emp_capability;
ue_context_target_p->ue_context.e_rab[i].param.qos.allocation_retention_priority.pre_emp_vulnerability = m->e_rab_param[i].qos.allocation_retention_priority.pre_emp_vulnerability;
LOG_I(RRC, "eNB %d: Update the UE context after HO, e_rab_id %u gtp_teid %u. qci %d, priority_level %d, pre_emp_capability %d, pre_emp_vulnerability %d\n", mod_id,
ue_context_target_p->ue_context.e_rab[i].param.e_rab_id,
ue_context_target_p->ue_context.e_rab[i].param.gtp_teid);
ue_context_target_p->ue_context.e_rab[i].param.gtp_teid,
ue_context_target_p->ue_context.e_rab[i].param.qos.qci,
ue_context_target_p->ue_context.e_rab[i].param.qos.allocation_retention_priority.priority_level,
ue_context_target_p->ue_context.e_rab[i].param.qos.allocation_retention_priority.pre_emp_capability,
ue_context_target_p->ue_context.e_rab[i].param.qos.allocation_retention_priority.pre_emp_vulnerability);
}
rrc_eNB_process_X2AP_TUNNEL_SETUP_REQ(mod_id, ue_context_target_p);
......@@ -5647,6 +5665,8 @@ rrc_eNB_generate_HO_RRCConnectionReconfiguration(const protocol_ctxt_t *const ct
continue;
}
switch(i) {
case 0:
/// DRB
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->eps_BearerIdentity = CALLOC(1, sizeof(long));
......@@ -5655,7 +5675,7 @@ rrc_eNB_generate_HO_RRCConnectionReconfiguration(const protocol_ctxt_t *const ct
// NN: this is the 1st DRB for this ue, so set it to 1
DRB_config->drb_Identity = (LTE_DRB_Identity_t) (ue_context_pP->ue_context.e_rab[i].param.e_rab_id - 4); // (ue_mod_idP+1); //allowed values 1..32, value: x
DRB_config->logicalChannelIdentity = CALLOC(1, sizeof(long));
*(DRB_config->logicalChannelIdentity) = (long)(ue_context_pP->ue_context.e_rab[i].param.e_rab_id - 4 + 2); // value : x+2
*(DRB_config->logicalChannelIdentity) = (long)(DRB_config->drb_Identity + 2); // value : x+2
DRB_rlc_config = CALLOC(1, sizeof(*DRB_rlc_config));
DRB_config->rlc_Config = DRB_rlc_config;
#ifdef RRC_DEFAULT_RAB_IS_AM
......@@ -5711,6 +5731,135 @@ rrc_eNB_generate_HO_RRCConnectionReconfiguration(const protocol_ctxt_t *const ct
ASN_SEQUENCE_ADD(&(*DRB_configList)->list, DRB_config);
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
//ue_context_pP->ue_context.DRB_configList2[0] = &(*DRB_configList);
LOG_I(RRC,"EPS ID %ld, DRB ID %ld (index %d), QCI %d, priority %ld, LCID %ld LCGID %ld \n",
*DRB_config->eps_BearerIdentity,
DRB_config->drb_Identity, i,
ue_context_pP->ue_context.e_rab[i].param.qos.qci,
DRB_ul_SpecificParameters->priority,
*(DRB_config->logicalChannelIdentity),
*DRB_ul_SpecificParameters->logicalChannelGroup
);
break;
default:
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) = ue_context_pP->ue_context.e_rab[i].param.e_rab_id;//+ 4; // especial case generation
DRB_config->drb_Identity = (LTE_DRB_Identity_t) (ue_context_pP->ue_context.e_rab[i].param.e_rab_id - 4);
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;
switch (ue_context_pP->ue_context.e_rab[i].param.qos.qci) {
/*
* type: realtime data with medium packer error rate
* action: swtich to RLC UM
*/
case 1: // 100ms, 10^-2, p2, GBR
case 2: // 150ms, 10^-3, p4, GBR
case 3: // 50ms, 10^-3, p3, GBR
case 4: // 300ms, 10^-6, p5
case 7: // 100ms, 10^-3, p7, GBR
case 9: // 300ms, 10^-6, p9
case 65: // 75ms, 10^-2, p0.7, mission critical voice, GBR
case 66: // 100ms, 10^-2, p2, non-mission critical voice , GBR
// RLC
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;
break;
/*
* type: non-realtime data with low packer error rate
* action: swtich to RLC AM
*/
case 5: // 100ms, 10^-6, p1 , IMS signaling
case 6: // 300ms, 10^-6, p6
case 8: // 300ms, 10^-6, p8
case 69: // 60ms, 10^-6, p0.5, mission critical delay sensitive data, Lowest Priority
case 70: // 200ms, 10^-6, p5.5, mision critical data
// RLC
DRB_rlc_config->present = LTE_RLC_Config_PR_am;
DRB_rlc_config->choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms50;
DRB_rlc_config->choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p16;
DRB_rlc_config->choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kBinfinity;
DRB_rlc_config->choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t8;
DRB_rlc_config->choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
DRB_rlc_config->choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms25;
// PDCP
PDCP_rlc_AM = CALLOC(1, sizeof(*PDCP_rlc_AM));
DRB_pdcp_config->rlc_AM = PDCP_rlc_AM;
PDCP_rlc_AM->statusReportRequired = FALSE;
break;
default :
LOG_E(RRC,"not supported qci %d\n", ue_context_pP->ue_context.e_rab[i].param.qos.qci);
ue_context_pP->ue_context.e_rab[i].status = E_RAB_STATUS_FAILED;
ue_context_pP->ue_context.e_rab[i].xid = xid;
free(DRB_pdcp_config->discardTimer);
free(DRB_pdcp_config);
free(DRB_rlc_config);
free(DRB_config->logicalChannelIdentity);
free(DRB_config->eps_BearerIdentity);
free(DRB_config);
continue;
}
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;
if (ue_context_pP->ue_context.e_rab[i].param.qos.qci < 9 )
DRB_ul_SpecificParameters->priority = qci_to_priority[ue_context_pP->ue_context.e_rab[i].param.qos.qci-1] + 3;
// ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.priority_level;
else
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));
if (DRB_ul_SpecificParameters->priority < 5) {
*logicalchannelgroup_drb = 0;
} else if (DRB_ul_SpecificParameters->priority == 5) {
*logicalchannelgroup_drb = 1;
} else {
*logicalchannelgroup_drb = 3;
}
DRB_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup_drb;
ASN_SEQUENCE_ADD(&(*DRB_configList)->list, DRB_config);
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
//ue_context_pP->ue_context.DRB_configList2[drb_identity_index] = &(*DRB_configList);
LOG_I(RRC,"EPS ID %ld, DRB ID %ld (index %d), QCI %d, priority %ld, LCID %ld LCGID %ld \n",
*DRB_config->eps_BearerIdentity,
DRB_config->drb_Identity, i,
ue_context_pP->ue_context.e_rab[i].param.qos.qci,
DRB_ul_SpecificParameters->priority,
*(DRB_config->logicalChannelIdentity),
*DRB_ul_SpecificParameters->logicalChannelGroup
);
break;
}
ue_context_pP->ue_context.e_rab[i].xid = xid;
}
mac_MainConfig = CALLOC(1, sizeof(*mac_MainConfig));
......
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