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merge the implemention of Paging, RRCConnectionRelease, RRCConnectionReestablishment, E-RAB Modify, E-RAB Release

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This commit is contained in:
Xu Bo
2017-11-28 11:13:03 +09:00
parent d915c20899
commit d81438cd17
48 changed files with 4136 additions and 85 deletions
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openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
+19 -1
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@@ -178,9 +178,26 @@ void clean_eNb_ulsch(LTE_eNB_ULSCH_t *ulsch)
//ulsch->harq_processes[i]->phich_active = 0; //this will be done later after transmission of PHICH
ulsch->harq_processes[i]->phich_ACK = 0;
ulsch->harq_processes[i]->round = 0;
ulsch->harq_processes[i]->rar_alloc = 0;
ulsch->harq_processes[i]->first_rb = 0;
ulsch->harq_processes[i]->nb_rb = 0;
ulsch->harq_processes[i]->TBS = 0;
ulsch->harq_processes[i]->Or1 = 0;
ulsch->harq_processes[i]->Or2 = 0;
for ( int j = 0; j < 2; j++ ) {
ulsch->harq_processes[i]->o_RI[j] = 0;
}
ulsch->harq_processes[i]->O_ACK = 0;
ulsch->harq_processes[i]->srs_active = 0;
ulsch->harq_processes[i]->rvidx = 0;
ulsch->harq_processes[i]->Msc_initial = 0;
ulsch->harq_processes[i]->Nsymb_initial = 0;
}
}
ulsch->beta_offset_cqi_times8 = 0;
ulsch->beta_offset_ri_times8 = 0;
ulsch->beta_offset_harqack_times8 = 0;
ulsch->Msg3_active = 0;
}
}
@@ -2038,3 +2055,4 @@ uint32_t ulsch_decoding_emul(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc,
}
#endif
openair1/PHY/defs.h
+1
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@@ -985,6 +985,7 @@ typedef struct PHY_VARS_eNB_s {
LTE_eNB_ULSCH_t *ulsch[NUMBER_OF_UE_MAX+1]; // Nusers + number of RA
LTE_eNB_DLSCH_t *dlsch_SI,*dlsch_ra,*dlsch_p;
LTE_eNB_DLSCH_t *dlsch_MCH;
LTE_eNB_DLSCH_t *dlsch_PCH;
LTE_eNB_UE_stats UE_stats[NUMBER_OF_UE_MAX];
LTE_eNB_UE_stats *UE_stats_ptr[NUMBER_OF_UE_MAX];
openair1/SCHED/defs.h
+7
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@@ -213,6 +213,13 @@ void prach_procedures(PHY_VARS_eNB *eNB,
int br_flag
#endif
);
/*! \brief Function to compute subframe Number(DL and S) as a function of Frame type and TDD Configuration
@param frame_parms Pointer to DL frame parameter descriptor
@returns Subframe Number (DL,S)
*/
int subframe_num(LTE_DL_FRAME_PARMS *frame_parms);
/*! \brief Function to compute subframe type as a function of Frame type and TDD Configuration (implements Table 4.2.2 from 36.211, p.11 from version 8.6) and subframe index.
@param frame_parms Pointer to DL frame parameter descriptor
@param subframe Subframe index
openair1/SCHED/phy_procedures_lte_common.c
+20
View File
@@ -709,6 +709,26 @@ uint16_t get_Np(uint8_t N_RB_DL,uint8_t nCCE,uint8_t plus1)
return(Np[0+plus1]);
}
int subframe_num(LTE_DL_FRAME_PARMS *frame_parms){
if (frame_parms->frame_type == FDD)
return 10;
switch (frame_parms->tdd_config) {
case 1:
return 6;
case 3:
return 7;
case 4:
return 8;
case 5:
return 9;
default:
LOG_E(PHY,"Unsupported TDD configuration %d\n",frame_parms->tdd_config);
AssertFatal(frame_parms->tdd_config==1 || frame_parms->tdd_config==3 || frame_parms->tdd_config==4 || frame_parms->tdd_config==5,"subframe x Unsupported TDD configuration");
return(255);
}
}
lte_subframe_t subframe_select(LTE_DL_FRAME_PARMS *frame_parms,unsigned char subframe)
{
openair2/COMMON/mac_messages_def.h
+2
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@@ -40,3 +40,5 @@ MESSAGE_DEF(RRC_MAC_CCCH_DATA_IND, MESSAGE_PRIORITY_MED_PLUS, RrcMacCcchDat
MESSAGE_DEF(RRC_MAC_MCCH_DATA_REQ, MESSAGE_PRIORITY_MED_PLUS, RrcMacMcchDataReq, rrc_mac_mcch_data_req)
MESSAGE_DEF(RRC_MAC_MCCH_DATA_IND, MESSAGE_PRIORITY_MED_PLUS, RrcMacMcchDataInd, rrc_mac_mcch_data_ind)
MESSAGE_DEF(RRC_MAC_PCCH_DATA_REQ, MESSAGE_PRIORITY_MED_PLUS, RrcMacPcchDataReq, rrc_mac_pcch_data_req)
openair2/COMMON/mac_messages_types.h
+8
View File
@@ -43,11 +43,13 @@
#define RRC_MAC_MCCH_DATA_REQ(mSGpTR) (mSGpTR)->ittiMsg.rrc_mac_mcch_data_req
#define RRC_MAC_MCCH_DATA_IND(mSGpTR) (mSGpTR)->ittiMsg.rrc_mac_mcch_data_ind
#define RRC_MAC_PCCH_DATA_REQ(mSGpTR) (mSGpTR)->ittiMsg.rrc_mac_pcch_data_req
// Some constants from "LAYER2/MAC/defs.h"
#define BCCH_SDU_SIZE (512)
#define CCCH_SDU_SIZE (512)
#define MCCH_SDU_SIZE (512)
#define PCCH_SDU_SIZE (512)
//-------------------------------------------------------------------------------------------//
// Messages between RRC and MAC layers
@@ -114,4 +116,10 @@ typedef struct RrcMacMcchDataInd_s {
uint8_t mbsfn_sync_area;
} RrcMacMcchDataInd;
typedef struct RrcMacPcchDataReq_s {
uint32_t frame;
uint32_t sdu_size;
uint8_t sdu[PCCH_SDU_SIZE];
uint8_t enb_index;
} RrcMacPcchDataReq;
#endif /* MAC_MESSAGES_TYPES_H_ */
openair2/COMMON/pdcp_messages_def.h
+1
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@@ -30,3 +30,4 @@
// Messages between RRC and PDCP layers
MESSAGE_DEF(RRC_DCCH_DATA_REQ, MESSAGE_PRIORITY_MED_PLUS, RrcDcchDataReq, rrc_dcch_data_req)
MESSAGE_DEF(RRC_DCCH_DATA_IND, MESSAGE_PRIORITY_MED_PLUS, RrcDcchDataInd, rrc_dcch_data_ind)
MESSAGE_DEF(RRC_PCCH_DATA_REQ, MESSAGE_PRIORITY_MED_PLUS, RrcPcchDataReq, rrc_pcch_data_req)
openair2/COMMON/pdcp_messages_types.h
+10
View File
@@ -33,6 +33,7 @@
// Defines to access message fields.
#define RRC_DCCH_DATA_REQ(mSGpTR) (mSGpTR)->ittiMsg.rrc_dcch_data_req
#define RRC_DCCH_DATA_IND(mSGpTR) (mSGpTR)->ittiMsg.rrc_dcch_data_ind
#define RRC_PCCH_DATA_REQ(mSGpTR) (mSGpTR)->ittiMsg.rrc_pcch_data_req
//-------------------------------------------------------------------------------------------//
// Messages between RRC and PDCP layers
@@ -60,4 +61,13 @@ typedef struct RrcDcchDataInd_s {
uint8_t eNB_index; // LG: needed in UE
} RrcDcchDataInd;
typedef struct RrcPcchDataReq_s {
uint32_t sdu_size;
uint8_t *sdu_p;
uint8_t mode;
uint16_t rnti;
uint8_t ue_index;
uint8_t CC_id;
} RrcPcchDataReq;
#endif /* PDCP_MESSAGES_TYPES_H_ */
openair2/COMMON/s1ap_messages_def.h
+9
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@@ -33,6 +33,11 @@ MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_COMPLETE_LOG, MESSAGE_PRIORITY_MED, IttiMsgT
MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_ue_context_release_log)
MESSAGE_DEF(S1AP_E_RAB_SETUP_REQUEST_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_e_rab_setup_request_log)
MESSAGE_DEF(S1AP_E_RAB_SETUP_RESPONSE_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_e_rab_setup_response_log)
MESSAGE_DEF(S1AP_E_RAB_MODIFY_REQUEST_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_e_rab_modify_request_log)
MESSAGE_DEF(S1AP_E_RAB_MODIFY_RESPONSE_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_e_rab_modify_response_log)
MESSAGE_DEF(S1AP_PAGING_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_paging_log)
MESSAGE_DEF(S1AP_E_RAB_RELEASE_REQUEST_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_e_rab_release_request_log)
MESSAGE_DEF(S1AP_E_RAB_RELEASE_RESPONSE_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_e_rab_release_response_log)
/* eNB application layer -> S1AP messages */
MESSAGE_DEF(S1AP_REGISTER_ENB_REQ , MESSAGE_PRIORITY_MED, s1ap_register_enb_req_t , s1ap_register_enb_req)
@@ -54,6 +59,8 @@ MESSAGE_DEF(S1AP_UE_CTXT_MODIFICATION_RESP , MESSAGE_PRIORITY_MED, s1ap_ue_ctxt_
MESSAGE_DEF(S1AP_UE_CTXT_MODIFICATION_FAIL , MESSAGE_PRIORITY_MED, s1ap_ue_ctxt_modification_fail_t , s1ap_ue_ctxt_modification_fail)
MESSAGE_DEF(S1AP_E_RAB_SETUP_RESP , MESSAGE_PRIORITY_MED, s1ap_e_rab_setup_resp_t , s1ap_e_rab_setup_resp)
MESSAGE_DEF(S1AP_E_RAB_SETUP_REQUEST_FAIL , MESSAGE_PRIORITY_MED, s1ap_e_rab_setup_req_fail_t , s1ap_e_rab_setup_request_fail)
MESSAGE_DEF(S1AP_E_RAB_MODIFY_RESP , MESSAGE_PRIORITY_MED, s1ap_e_rab_modify_resp_t , s1ap_e_rab_modify_resp)
MESSAGE_DEF(S1AP_E_RAB_RELEASE_RESPONSE , MESSAGE_PRIORITY_MED, s1ap_e_rab_release_resp_t , s1ap_e_rab_release_resp)
/* S1AP -> RRC messages */
MESSAGE_DEF(S1AP_DOWNLINK_NAS , MESSAGE_PRIORITY_MED, s1ap_downlink_nas_t , s1ap_downlink_nas )
@@ -61,6 +68,8 @@ MESSAGE_DEF(S1AP_INITIAL_CONTEXT_SETUP_REQ , MESSAGE_PRIORITY_MED, s1ap_initial_
MESSAGE_DEF(S1AP_UE_CTXT_MODIFICATION_REQ , MESSAGE_PRIORITY_MED, s1ap_ue_ctxt_modification_req_t , s1ap_ue_ctxt_modification_req)
MESSAGE_DEF(S1AP_PAGING_IND , MESSAGE_PRIORITY_MED, s1ap_paging_ind_t , s1ap_paging_ind )
MESSAGE_DEF(S1AP_E_RAB_SETUP_REQ , MESSAGE_PRIORITY_MED, s1ap_e_rab_setup_req_t , s1ap_e_rab_setup_req )
MESSAGE_DEF(S1AP_E_RAB_MODIFY_REQ , MESSAGE_PRIORITY_MED, s1ap_e_rab_modify_req_t , s1ap_e_rab_modify_req )
MESSAGE_DEF(S1AP_E_RAB_RELEASE_COMMAND , MESSAGE_PRIORITY_MED, s1ap_e_rab_release_command_t , s1ap_e_rab_release_command)
MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_COMMAND, MESSAGE_PRIORITY_MED, s1ap_ue_release_command_t , s1ap_ue_release_command)
/* S1AP <-> RRC messages (can be initiated either by MME or eNB) */
openair2/COMMON/s1ap_messages_types.h
+118 -12
View File
@@ -41,6 +41,7 @@
#define S1AP_UE_CTXT_MODIFICATION_FAIL(mSGpTR) (mSGpTR)->ittiMsg.s1ap_ue_ctxt_modification_fail
#define S1AP_E_RAB_SETUP_RESP(mSGpTR) (mSGpTR)->ittiMsg.s1ap_e_rab_setup_resp
#define S1AP_E_RAB_SETUP_FAIL(mSGpTR) (mSGpTR)->ittiMsg.s1ap_e_rab_setup_req_fail
#define S1AP_E_RAB_MODIFY_RESP(mSGpTR) (mSGpTR)->ittiMsg.s1ap_e_rab_modify_resp
#define S1AP_DOWNLINK_NAS(mSGpTR) (mSGpTR)->ittiMsg.s1ap_downlink_nas
#define S1AP_INITIAL_CONTEXT_SETUP_REQ(mSGpTR) (mSGpTR)->ittiMsg.s1ap_initial_context_setup_req
@@ -48,9 +49,12 @@
#define S1AP_UE_CONTEXT_RELEASE_COMMAND(mSGpTR) (mSGpTR)->ittiMsg.s1ap_ue_release_command
#define S1AP_UE_CONTEXT_RELEASE_COMPLETE(mSGpTR) (mSGpTR)->ittiMsg.s1ap_ue_release_complete
#define S1AP_E_RAB_SETUP_REQ(mSGpTR) (mSGpTR)->ittiMsg.s1ap_e_rab_setup_req
#define S1AP_PAGIND_IND(mSGpTR) (mSGpTR)->ittiMsg.s1ap_paging_ind
#define S1AP_E_RAB_MODIFY_REQ(mSGpTR) (mSGpTR)->ittiMsg.s1ap_e_rab_modify_req
#define S1AP_PAGING_IND(mSGpTR) (mSGpTR)->ittiMsg.s1ap_paging_ind
#define S1AP_UE_CONTEXT_RELEASE_REQ(mSGpTR) (mSGpTR)->ittiMsg.s1ap_ue_release_req
#define S1AP_E_RAB_RELEASE_COMMAND(mSGpTR) (mSGpTR)->ittiMsg.s1ap_e_rab_release_command
#define S1AP_E_RAB_RELEASE_RESPONSE(mSGpTR) (mSGpTR)->ittiMsg.s1ap_e_rab_release_resp
//-------------------------------------------------------------------------------------------//
/* Maximum number of e-rabs to be setup/deleted in a single message.
@@ -175,6 +179,11 @@ typedef struct s1ap_gummei_s {
uint16_t mme_group_id;
} s1ap_gummei_t;
typedef struct s1ap_imsi_s {
uint8_t buffer[S1AP_IMSI_LENGTH];
uint8_t length;
} s1ap_imsi_t;
typedef struct s_tmsi_s {
uint8_t mme_code;
uint32_t m_tmsi;
@@ -189,7 +198,7 @@ typedef enum ue_paging_identity_presenceMask_e {
typedef struct ue_paging_identity_s {
ue_paging_identity_presenceMask_t presenceMask;
union {
char imsi[S1AP_IMSI_LENGTH];
s1ap_imsi_t imsi;
s_tmsi_t s_tmsi;
} choice;
} ue_paging_identity_t;
@@ -260,11 +269,29 @@ typedef struct e_rab_setup_s {
uint32_t gtp_teid;
} e_rab_setup_t;
typedef struct e_rab_modify_s {
/* Unique e_rab_id for the UE. */
uint8_t e_rab_id;
} e_rab_modify_t;
typedef enum S1ap_Cause_e {
S1AP_CAUSE_NOTHING, /* No components present */
S1AP_CAUSE_RADIO_NETWORK,
S1AP_CAUSE_TRANSPORT,
S1AP_CAUSE_NAS,
S1AP_CAUSE_PROTOCOL,
S1AP_CAUSE_MISC,
/* Extensions may appear below */
} s1ap_Cause_t;
typedef struct e_rab_failed_s {
/* Unique e_rab_id for the UE. */
uint8_t e_rab_id;
/* Cause of the failure */
// cause_t cause;
s1ap_Cause_t cause;
uint8_t cause_value;
} e_rab_failed_t;
typedef enum s1ap_ue_ctxt_modification_present_s {
@@ -460,6 +487,12 @@ typedef struct s1ap_initial_context_setup_req_s {
e_rab_t e_rab_param[S1AP_MAX_E_RAB];
} s1ap_initial_context_setup_req_t;
typedef struct tai_plmn_identity_s {
uint16_t mcc;
uint16_t mnc;
uint8_t mnc_digit_length;
} plmn_identity_t;
typedef struct s1ap_paging_ind_s {
/* UE identity index value.
* Specified in 3GPP TS 36.304
@@ -472,6 +505,15 @@ typedef struct s1ap_paging_ind_s {
/* Indicates origin of paging */
cn_domain_t cn_domain;
/* PLMN_identity in TAI of Paging*/
plmn_identity_t plmn_identity[256];
/* TAC in TAIList of Paging*/
int16_t tac[256];
/* size of TAIList*/
int16_t tai_size;
/* Optional fields */
paging_drx_t paging_drx;
@@ -520,16 +562,6 @@ typedef struct s1ap_ue_release_command_s {
//-------------------------------------------------------------------------------------------//
typedef enum S1ap_Cause_e {
S1AP_CAUSE_NOTHING, /* No components present */
S1AP_CAUSE_RADIO_NETWORK,
S1AP_CAUSE_TRANSPORT,
S1AP_CAUSE_NAS,
S1AP_CAUSE_PROTOCOL,
S1AP_CAUSE_MISC,
/* Extensions may appear below */
} s1ap_Cause_t;
// S1AP <-- RRC messages
typedef struct s1ap_ue_release_req_s {
unsigned eNB_ue_s1ap_id:24;
@@ -537,4 +569,78 @@ typedef struct s1ap_ue_release_req_s {
long cause_value;
} s1ap_ue_release_req_t, s1ap_ue_release_resp_t;
typedef struct s1ap_e_rab_modify_req_s {
/* UE id for initial connection to S1AP */
uint16_t ue_initial_id;
/* MME UE id */
uint16_t mme_ue_s1ap_id;
/* eNB ue s1ap id as initialized by S1AP layer */
unsigned eNB_ue_s1ap_id:24;
/* Number of e_rab to be modify in the list */
uint8_t nb_e_rabs_tomodify;
/* E RAB modify request */
e_rab_t e_rab_modify_params[S1AP_MAX_E_RAB];
} s1ap_e_rab_modify_req_t;
typedef struct s1ap_e_rab_modify_resp_s {
unsigned eNB_ue_s1ap_id:24;
/* Number of e_rab modify-ed in the list */
uint8_t nb_of_e_rabs;
/* list of e_rab modify-ed by RRC layers */
e_rab_modify_t e_rabs[S1AP_MAX_E_RAB];
/* Number of e_rab failed to be modify in list */
uint8_t nb_of_e_rabs_failed;
/* list of e_rabs that failed to be modify */
e_rab_failed_t e_rabs_failed[S1AP_MAX_E_RAB];
} s1ap_e_rab_modify_resp_t;
typedef struct e_rab_release_s {
/* Unique e_rab_id for the UE. */
uint8_t e_rab_id;
} e_rab_release_t;
typedef struct s1ap_e_rab_release_command_s {
/* MME UE id */
uint16_t mme_ue_s1ap_id;
/* eNB ue s1ap id as initialized by S1AP layer */
unsigned eNB_ue_s1ap_id:24;
/* The NAS PDU should be forwarded by the RRC layer to the NAS layer */
nas_pdu_t nas_pdu;
/* Number of e_rab to be released in the list */
uint8_t nb_e_rabs_torelease;
/* E RAB release command */
e_rab_release_t e_rab_release_params[S1AP_MAX_E_RAB];
} s1ap_e_rab_release_command_t;
typedef struct s1ap_e_rab_release_resp_s {
/* MME UE id */
uint16_t mme_ue_s1ap_id;
/* eNB ue s1ap id as initialized by S1AP layer */
unsigned eNB_ue_s1ap_id:24;
/* Number of e_rab released in the list */
uint8_t nb_of_e_rabs_released;
/* list of e_rabs released */
e_rab_release_t e_rab_release[S1AP_MAX_E_RAB];
/* Number of e_rab failed to be released in list */
uint8_t nb_of_e_rabs_failed;
/* list of e_rabs that failed to be released */
e_rab_failed_t e_rabs_failed[S1AP_MAX_E_RAB];
} s1ap_e_rab_release_resp_t;
#endif /* S1AP_MESSAGES_TYPES_H_ */
openair2/LAYER2/MAC/defs.h
+18
View File
@@ -159,6 +159,8 @@
/*!\brief maximum number of slices / groups */
#define MAX_NUM_SLICES 4
#define U_PLANE_INACTIVITY_VALUE 6000
/*
* eNB part
*/
@@ -459,6 +461,15 @@ typedef struct {
/// BCCH MCS
uint32_t ccch_mcs;
/// num PCCH PDU per CC
uint32_t total_num_pcch_pdu;
/// PCCH buffer size
uint32_t pcch_buffer;
/// total PCCH buffer size
uint32_t total_pcch_buffer;
/// BCCH MCS
uint32_t pcch_mcs;
/// num active users
uint16_t num_dlactive_UEs;
/// available number of PRBs for a give SF
@@ -842,6 +853,7 @@ typedef struct {
uint8_t aperiodic_wideband_cqi1[NFAPI_CC_MAX];
uint8_t aperiodic_wideband_pmi1[NFAPI_CC_MAX];
uint8_t dl_cqi[NFAPI_CC_MAX];
int32_t uplane_inactivity_timer;
} UE_sched_ctrl;
/*! \brief eNB template for the Random access information */
typedef struct {
@@ -990,6 +1002,10 @@ typedef struct {
uint32_t BCCH_alloc_pdu;
/// Outgoing CCCH pdu for PHY
CCCH_PDU CCCH_pdu;
/// Outgoing PCCH DCI allocation
uint32_t PCCH_alloc_pdu;
/// Outgoing PCCH pdu for PHY
PCCH_PDU PCCH_pdu;
/// Outgoing RAR pdu for PHY
RAR_PDU RAR_pdu;
/// Template for RA computations
@@ -1105,6 +1121,8 @@ typedef struct eNB_MAC_INST_s {
time_stats_t schedule_mch;
/// processing time of eNB ULSCH reception
time_stats_t rx_ulsch_sdu; // include rlc_data_ind
/// processing time of eNB PCH scheduler
time_stats_t schedule_pch;
} eNB_MAC_INST;
/*
openair2/LAYER2/MAC/eNB_scheduler.c
+8
View File
@@ -375,6 +375,12 @@ void check_ul_failure(module_id_t module_idP,int CC_id,int UE_id,
}
} // ul_failure_timer>0
UE_list->UE_sched_ctrl[UE_id].uplane_inactivity_timer++;
if(UE_list->UE_sched_ctrl[UE_id].uplane_inactivity_timer > (U_PLANE_INACTIVITY_VALUE*subframe_num(&RC.eNB[module_idP][CC_id]->frame_parms))){
LOG_D(MAC,"UE %d rnti %x: U-Plane Failure after repeated PDCCH orders: Triggering RRC \n",UE_id,rnti);
mac_eNB_rrc_uplane_failure(module_idP,CC_id,frameP,subframeP,rnti);
UE_list->UE_sched_ctrl[UE_id].uplane_inactivity_timer = 0;
}// time > 60s
}
void clear_nfapi_information(eNB_MAC_INST *eNB,int CC_idP,frame_t frameP,sub_frame_t subframeP)
@@ -521,6 +527,8 @@ void eNB_dlsch_ulsch_scheduler(module_id_t module_idP, frame_t frameP, sub_frame
if ((subframeP==0) && (frameP&3) == 0) schedule_mib(module_idP,frameP,subframeP);
// This schedules SI for legacy LTE and eMTC starting in subframeP
schedule_SI(module_idP,frameP,subframeP);
// This schedules Paging in subframeP
schedule_PCH(module_idP,frameP,subframeP);
// This schedules Random-Access for legacy LTE and eMTC starting in subframeP
schedule_RA(module_idP,frameP,subframeP);
// copy previously scheduled UL resources (ULSCH + HARQ)
openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
+355
View File
@@ -986,6 +986,7 @@ schedule_ue_spec(
header_len_dtch_last--;
}
num_sdus++;
UE_list->UE_sched_ctrl[UE_id].uplane_inactivity_timer = 0;
} // no data for this LCID
else {
header_len_dtch-=3;
@@ -1436,6 +1437,12 @@ get_dlsch_sdu(
return((unsigned char *)&eNB->common_channels[CC_id].BCCH_pdu.payload[0]);
}
if (rntiP==P_RNTI) {
LOG_D(MAC,"[eNB %d] CC_id %d Frame %d Get PCH sdu for PCCH \n", module_idP, CC_id, frameP);
return((unsigned char *)&eNB->common_channels[CC_id].PCCH_pdu.payload[0]);
}
UE_id = find_UE_id(module_idP,rntiP);
if (UE_id != -1) {
@@ -1541,3 +1548,351 @@ void set_ue_dai(
break;
}
}
void schedule_PCH(module_id_t module_idP,frame_t frameP,sub_frame_t subframeP)
{
/* DCI:format 1A/1C P-RNTI:0xFFFE */
/* PDU:eNB_rrc_inst[Mod_idP].common_channels[CC_id].PCCH_pdu.payload */
uint16_t pcch_sdu_length;
int mcs = -1;
int CC_id;
eNB_MAC_INST *eNB = RC.mac[module_idP];
COMMON_channels_t *cc;
uint8_t *vrb_map;
int n_rb_dl;
int first_rb = -1;
nfapi_dl_config_request_pdu_t *dl_config_pdu;
nfapi_tx_request_pdu_t *TX_req;
nfapi_dl_config_request_body_t *dl_req;
#ifdef FORMAT1C
int gap_index = 0; /* indicate which gap(1st or 2nd) is used (0:1st) */
const int GAP_MAP [9][2] = {
{-1, 0}, /* N_RB_DL [6-10] -1: |N_RB/2| 0: N/A*/
{4, 0}, /* N_RB_DL [11] */
{8, 0}, /* N_RB_DL [12-19] */
{12, 0}, /* N_RB_DL [20-26] */
{18, 0}, /* N_RB_DL [27-44] */
{27, 0}, /* N_RB_DL [45-49] */
{27, 9}, /* N_RB_DL [50-63] */
{32, 16}, /* N_RB_DL [64-79] */
{48, 16} /* N_RB_DL [80-110] */
};
uint8_t n_rb_step = 0;
uint8_t n_gap = 0;
uint8_t n_vrb_dl = 0;
uint8_t Lcrbs = 0;
uint16_t rb_bit = 168; /* RB bit number value is unsure */
#endif
start_meas(&eNB->schedule_pch);
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
cc = &eNB->common_channels[CC_id];
vrb_map = (void*)&cc->vrb_map;
n_rb_dl = to_prb(cc->mib->message.dl_Bandwidth);
dl_req = &eNB->DL_req[CC_id].dl_config_request_body;
for (uint8_t i = 0; i < NUMBER_OF_UE_MAX; i++) {
if (UE_PF_PO[CC_id][i].enable_flag != TRUE) {
continue;
}
if (frameP % UE_PF_PO[CC_id][i].T == UE_PF_PO[CC_id][i].PF_min && subframeP == UE_PF_PO[CC_id][i].PO) {
pcch_sdu_length = mac_rrc_data_req(module_idP,
CC_id,
frameP,
PCCH,1,
&cc->PCCH_pdu.payload[0],
1,
module_idP,
i); // used for ue index
if (pcch_sdu_length == 0) {
LOG_D(MAC,"[eNB %d] Frame %d subframe %d: PCCH not active(size = 0 byte)\n", module_idP,frameP, subframeP);
continue;
}
LOG_D(MAC,"[eNB %d] Frame %d subframe %d: PCCH->PCH CC_id %d UE_id %d, Received %d bytes \n", module_idP, frameP, subframeP, CC_id,i, pcch_sdu_length);
#ifdef FORMAT1C
//NO SIB
if ((subframeP == 1 || subframeP == 2 || subframeP == 4 || subframeP == 6 || subframeP == 9) ||
(subframeP == 5 && ((frameP % 2) != 0 && (frameP % 8) != 1))) {
switch (n_rb_dl) {
#if 0
case 6:
n_gap = n_rb_dl/2; /* expect: 3 */
n_vrb_dl = 2*((n_gap < (n_rb_dl - n_gap)) ? n_gap : (n_rb_dl - n_gap));; /* expect: 6 */
first_rb = 0;
break;
case 15:
n_gap = GAP_MAP[2][0]; /* expect: 8 */
n_vrb_dl = 2*((n_gap < (n_rb_dl - n_gap)) ? n_gap : (n_rb_dl - n_gap)); /* expect: 14 */
first_rb = 6;
break;
#endif
case 25:
n_gap = GAP_MAP[3][0]; /* expect: 12 */
n_vrb_dl = 2*((n_gap < (n_rb_dl - n_gap)) ? n_gap : (n_rb_dl - n_gap)); /* expect: 24 */
first_rb = 10;
break;
case 50:
n_gap = GAP_MAP[6][gap_index]; /* expect: 27 or 9 */
if (gap_index > 0) {
n_vrb_dl = (n_rb_dl / (2*n_gap)) * (2*n_gap); /* 36 */
} else {
n_vrb_dl = 2*((n_gap < (n_rb_dl - n_gap)) ? n_gap : (n_rb_dl - n_gap)); /* expect: 46 */
}
first_rb = 24;
break;
case 100:
n_gap = GAP_MAP[8][gap_index]; /* expect: 48 or 16 */
if (gap_index > 0) {
n_vrb_dl = (n_rb_dl / (2*n_gap)) * (2*n_gap); /* expect: 96 */
} else {
n_vrb_dl = 2*((n_gap < (n_rb_dl - n_gap)) ? n_gap : (n_rb_dl - n_gap)); /* expect: 96 */
}
first_rb = 48;
break;
}
} else if (subframeP == 5 && ((frameP % 2) == 0 || (frameP % 8) == 1)) { // SIB + paging
switch (n_rb_dl) {
#if 0
case 6:
n_gap = n_rb_dl/2; /* expect: 3 */
n_vrb_dl = 2*((n_gap < (n_rb_dl - n_gap)) ? n_gap : (n_rb_dl - n_gap));; /* expect: 6 */
first_rb = 0;
break;
case 15:
n_gap = GAP_MAP[2][0]; /* expect: 8 */
n_vrb_dl = 2*((n_gap < (n_rb_dl - n_gap)) ? n_gap : (n_rb_dl - n_gap)); /* expect: 14 */
first_rb = 10;
break;
#endif
case 25:
n_gap = GAP_MAP[3][0]; /* expect: 12 */
n_vrb_dl = 2*((n_gap < (n_rb_dl - n_gap)) ? n_gap : (n_rb_dl - n_gap)); /* expect: 24 */
first_rb = 14;
break;
case 50:
n_gap = GAP_MAP[6][gap_index]; /* expect: 27 or 9 */
if (gap_index > 0) {
n_vrb_dl = (n_rb_dl / (2*n_gap)) * (2*n_gap); /* 36 */
} else {
n_vrb_dl = 2*((n_gap < (n_rb_dl - n_gap)) ? n_gap : (n_rb_dl - n_gap)); /* expect: 46 */
}
first_rb = 28;
break;
case 100:
n_gap = GAP_MAP[8][gap_index]; /* expect: 48 or 16 */
if (gap_index > 0) {
n_vrb_dl = (n_rb_dl / (2*n_gap)) * (2*n_gap); /* expect: 96 */
} else {
n_vrb_dl = 2*((n_gap < (n_rb_dl - n_gap)) ? n_gap : (n_rb_dl - n_gap)); /* expect: 96 */
}
first_rb = 52;
break;
}
}
/* Get MCS for length of PCH */
if (pcch_sdu_length <= TBStable1C[0]) {
mcs=0;
} else if (pcch_sdu_length <= TBStable1C[1]) {
mcs=1;
} else if (pcch_sdu_length <= TBStable1C[2]) {
mcs=2;
} else if (pcch_sdu_length <= TBStable1C[3]) {
mcs=3;
} else if (pcch_sdu_length <= TBStable1C[4]) {
mcs=4;
} else if (pcch_sdu_length <= TBStable1C[5]) {
mcs=5;
} else if (pcch_sdu_length <= TBStable1C[6]) {
mcs=6;
} else if (pcch_sdu_length <= TBStable1C[7]) {
mcs=7;
} else if (pcch_sdu_length <= TBStable1C[8]) {
mcs=8;
} else if (pcch_sdu_length <= TBStable1C[9]) {
mcs=9;
} else {
/* unexpected: pcch sdb size is over max value*/
LOG_E(MAC,"[eNB %d] Frame %d : PCCH->PCH CC_id %d, Received %d bytes is over max length(256) \n",
module_idP, frameP,CC_id, pcch_sdu_length);
return;
}
rb_num = TBStable1C[mcs] / rb_bit + ( (TBStable1C[mcs] % rb_bit == 0)? 0: 1) + 1;
/* calculate N_RB_STEP and Lcrbs */
if (n_rb_dl < 50) {
n_rb_step = 2;
Lcrbs = rb_num / 2 + ((rb_num % 2 == 0) ? 0:2);
} else {
n_rb_step = 4;
Lcrbs = rb_num / 4 + ((rb_num % 4 == 0) ? 0:4);
}
for(i = 0;i < Lcrbs ;i++){
vrb_map[first_rb+i] = 1;
}
#else
//NO SIB
if ((subframeP == 1 || subframeP == 2 || subframeP == 4 || subframeP == 6 || subframeP == 9) ||
(subframeP == 5 && ((frameP % 2) != 0 && (frameP % 8) != 1))) {
switch (n_rb_dl) {
case 25:
first_rb = 10;
break;
case 50:
first_rb = 24;
break;
case 100:
first_rb = 48;
break;
}
} else if (subframeP == 5 && ((frameP % 2) == 0 || (frameP % 8) == 1)) { // SIB + paging
switch (n_rb_dl) {
case 25:
first_rb = 14;
break;
case 50:
first_rb = 28;
break;
case 100:
first_rb = 52;
break;
}
}
vrb_map[first_rb] = 1;
vrb_map[first_rb+1] = 1;
vrb_map[first_rb+2] = 1;
vrb_map[first_rb+3] = 1;
/* Get MCS for length of PCH */
if (pcch_sdu_length <= get_TBS_DL(0,3)) {
mcs=0;
} else if (pcch_sdu_length <= get_TBS_DL(1,3)) {
mcs=1;
} else if (pcch_sdu_length <= get_TBS_DL(2,3)) {
mcs=2;
} else if (pcch_sdu_length <= get_TBS_DL(3,3)) {
mcs=3;
} else if (pcch_sdu_length <= get_TBS_DL(4,3)) {
mcs=4;
} else if (pcch_sdu_length <= get_TBS_DL(5,3)) {
mcs=5;
} else if (pcch_sdu_length <= get_TBS_DL(6,3)) {
mcs=6;
} else if (pcch_sdu_length <= get_TBS_DL(7,3)) {
mcs=7;
} else if (pcch_sdu_length <= get_TBS_DL(8,3)) {
mcs=8;
} else if (pcch_sdu_length <= get_TBS_DL(9,3)) {
mcs=9;
}
#endif
dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
memset((void*)dl_config_pdu,0,sizeof(nfapi_dl_config_request_pdu_t));
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE;
dl_config_pdu->pdu_size = (uint8_t)(2+sizeof(nfapi_dl_config_dci_dl_pdu));
#ifdef FORMAT1C
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.dci_format = NFAPI_DL_DCI_FORMAT_1C;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding = getRIV(n_vrb_dl/n_rb_step, first_rb/n_rb_step, Lcrbs/n_rb_step);
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.ngap = n_gap;
#else
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.dci_format = NFAPI_DL_DCI_FORMAT_1A;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.harq_process = 0;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tpc = 1; // no TPC
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.new_data_indicator_1 = 1;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.redundancy_version_1 = 1;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding = getRIV(n_rb_dl,first_rb,4);
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.virtual_resource_block_assignment_flag = 0;
#endif
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level = 4;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti = 0xFFFE; // P-RNTI
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type = 2; // P-RNTI : see Table 4-10 from SCF082 - nFAPI specifications
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.transmission_power = 6000; // equal to RS power
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.mcs_1 = mcs;
// Rel10 fields
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10.pdsch_start = 3;
// Rel13 fields
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.ue_type = 0; // regular UE
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.pdsch_payload_type = 2; // not BR
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.initial_transmission_sf_io = 0xFFFF;
if (!CCE_allocation_infeasible(module_idP, CC_id, 0, subframeP, dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level, P_RNTI)) {
LOG_D(MAC,"Frame %d: Subframe %d : Adding common DCI for P_RNTI\n", frameP,subframeP);
dl_req->number_dci++;
dl_req->number_pdu++;
dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
memset((void*)dl_config_pdu,0,sizeof(nfapi_dl_config_request_pdu_t));
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DLSCH_PDU_TYPE;
dl_config_pdu->pdu_size = (uint8_t)(2+sizeof(nfapi_dl_config_dlsch_pdu));
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index = eNB->pdu_index[CC_id];
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.rnti = 0xFFFE;
#ifdef FORMAT1C
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_allocation_type = 3; // format 1C
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_block_coding = getRIV(n_vrb_dl/n_rb_step, first_rb/n_rb_step, Lcrbs/n_rb_step);
#else
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_allocation_type = 2; // format 1A/1B/1D
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_block_coding = getRIV(n_rb_dl,first_rb,4);
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.virtual_resource_block_assignment_flag = 0; // localized
#endif
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.modulation = 2; //QPSK
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.redundancy_version = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transport_blocks = 1;// first block
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transport_block_to_codeword_swap_flag = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_scheme = (cc->p_eNB==1 ) ? 0 : 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.number_of_layers = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.number_of_subbands = 1;
// dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.codebook_index = ;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ue_category_capacity = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pa = 4; // 0 dB
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.delta_power_offset_index = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ngap = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.nprb = get_subbandsize(cc->mib->message.dl_Bandwidth); // ignored
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_mode = (cc->p_eNB==1 ) ? 1 : 2;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_prb_per_subband = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_vector = 1;
// dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.bf_vector = ;
dl_req->number_pdu++;
eNB->TX_req[CC_id].sfn_sf = (frameP<<4)+subframeP;
TX_req = &eNB->TX_req[CC_id].tx_request_body.tx_pdu_list[eNB->TX_req[CC_id].tx_request_body.number_of_pdus];
TX_req->pdu_length = pcch_sdu_length;
TX_req->pdu_index = eNB->pdu_index[CC_id]++;
TX_req->num_segments = 1;
TX_req->segments[0].segment_length = pcch_sdu_length;
TX_req->segments[0].segment_data = cc[CC_id].PCCH_pdu.payload;
eNB->TX_req[CC_id].tx_request_body.number_of_pdus++;
} else {
LOG_E(MAC,"[eNB %d] CCid %d Frame %d, subframe %d : Cannot add DCI 1A/1C for Paging\n",module_idP, CC_id, frameP, subframeP);
continue;
}
if (opt_enabled == 1) {
trace_pdu(1,
&eNB->common_channels[CC_id].PCCH_pdu.payload[0],
pcch_sdu_length,
0xffff,
PCCH,
P_RNTI,
eNB->frame,
eNB->subframe,
0,
0);
LOG_D(OPT,"[eNB %d][PCH] Frame %d trace pdu for CC_id %d rnti %x with size %d\n",
module_idP, frameP, CC_id, 0xffff, pcch_sdu_length);
}
eNB->eNB_stats[CC_id].total_num_pcch_pdu+=1;
eNB->eNB_stats[CC_id].pcch_buffer=pcch_sdu_length;
eNB->eNB_stats[CC_id].total_pcch_buffer+=pcch_sdu_length;
eNB->eNB_stats[CC_id].pcch_mcs=mcs;
//paging first_rb log
LOG_D(MAC,"[eNB %d] Frame %d subframe %d PCH: paging_ue_index %d pcch_sdu_length %d mcs %d first_rb %d\n",
module_idP, frameP, subframeP, UE_PF_PO[CC_id][i].ue_index_value, pcch_sdu_length, mcs, first_rb);
pthread_mutex_lock(&ue_pf_po_mutex);
memset(&UE_PF_PO[CC_id][i], 0, sizeof(UE_PF_PO_t));
pthread_mutex_unlock(&ue_pf_po_mutex);
}
}
}
/* this might be misleading when pcch is inactive */
stop_meas(&eNB->schedule_pch);
return;
}
openair2/LAYER2/MAC/eNB_scheduler_primitives.c
+29 -1
View File
@@ -1752,6 +1752,7 @@ int rrc_mac_remove_ue(module_id_t mod_idP,rnti_t rntiP)
//------------------------------------------------------------------------------
{
int i;
int j;
UE_list_t *UE_list = &RC.mac[mod_idP]->UE_list;
int UE_id = find_UE_id(mod_idP,rntiP);
int pCC_id;
@@ -1775,7 +1776,7 @@ int rrc_mac_remove_ue(module_id_t mod_idP,rnti_t rntiP)
else UE_list->next_ul[prev(UE_list,UE_id,0)]=UE_list->next_ul[UE_id];
// clear all remaining pending transmissions
UE_list->UE_template[pCC_id][UE_id].bsr_info[LCGID0] = 0;
/* UE_list->UE_template[pCC_id][UE_id].bsr_info[LCGID0] = 0;
UE_list->UE_template[pCC_id][UE_id].bsr_info[LCGID1] = 0;
UE_list->UE_template[pCC_id][UE_id].bsr_info[LCGID2] = 0;
UE_list->UE_template[pCC_id][UE_id].bsr_info[LCGID3] = 0;
@@ -1783,11 +1784,37 @@ int rrc_mac_remove_ue(module_id_t mod_idP,rnti_t rntiP)
UE_list->UE_template[pCC_id][UE_id].ul_SR = 0;
UE_list->UE_template[pCC_id][UE_id].rnti = NOT_A_RNTI;
UE_list->UE_template[pCC_id][UE_id].ul_active = FALSE;
*/
memset (&UE_list->UE_template[pCC_id][UE_id],0,sizeof(UE_TEMPLATE));
UE_list->eNB_UE_stats[pCC_id][UE_id].total_rbs_used = 0;
UE_list->eNB_UE_stats[pCC_id][UE_id].total_rbs_used_retx = 0;
for ( j = 0; j < NB_RB_MAX; j++ ) {
UE_list->eNB_UE_stats[pCC_id][UE_id].num_pdu_tx[j] = 0;
UE_list->eNB_UE_stats[pCC_id][UE_id].num_bytes_tx[j] = 0;
}
UE_list->eNB_UE_stats[pCC_id][UE_id].num_retransmission = 0;
UE_list->eNB_UE_stats[pCC_id][UE_id].total_sdu_bytes = 0;
UE_list->eNB_UE_stats[pCC_id][UE_id].total_pdu_bytes = 0;
UE_list->eNB_UE_stats[pCC_id][UE_id].total_num_pdus = 0;
UE_list->eNB_UE_stats[pCC_id][UE_id].total_rbs_used_rx = 0;
for ( j = 0; j < NB_RB_MAX; j++ ) {
UE_list->eNB_UE_stats[pCC_id][UE_id].num_pdu_rx[j] = 0;
UE_list->eNB_UE_stats[pCC_id][UE_id].num_bytes_rx[j] = 0;
}
UE_list->eNB_UE_stats[pCC_id][UE_id].num_errors_rx = 0;
UE_list->eNB_UE_stats[pCC_id][UE_id].total_pdu_bytes_rx = 0;
UE_list->eNB_UE_stats[pCC_id][UE_id].total_num_pdus_rx = 0;
UE_list->eNB_UE_stats[pCC_id][UE_id].total_num_errors_rx = 0;
eNB_ulsch_info[mod_idP][pCC_id][UE_id].rnti = NOT_A_RNTI;
eNB_ulsch_info[mod_idP][pCC_id][UE_id].status = S_UL_NONE;
eNB_dlsch_info[mod_idP][pCC_id][UE_id].rnti = NOT_A_RNTI;
eNB_dlsch_info[mod_idP][pCC_id][UE_id].status = S_DL_NONE;
eNB_ulsch_info[mod_idP][pCC_id][UE_id].serving_num = 0;
eNB_dlsch_info[mod_idP][pCC_id][UE_id].serving_num = 0;
// check if this has an RA process active
RA_TEMPLATE *RA_template;
for (i=0;i<NB_RA_PROC_MAX;i++) {
@@ -1800,6 +1827,7 @@ int rrc_mac_remove_ue(module_id_t mod_idP,rnti_t rntiP)
RA_template->timing_offset=0;
RA_template->RRC_timer=20;
RA_template->rnti = 0;
RA_template->Msg3_subframe=0;
//break;
}
}
openair2/LAYER2/MAC/eNB_scheduler_ulsch.c
+2
View File
@@ -552,6 +552,8 @@ void rx_sdu(const module_id_t enb_mod_idP,
UE_list->eNB_UE_stats[CC_idP][UE_id].num_pdu_rx[rx_lcids[i]]+=1;
UE_list->eNB_UE_stats[CC_idP][UE_id].num_bytes_rx[rx_lcids[i]]+=rx_lengths[i];
//clear uplane_inactivity_timer
UE_list->UE_sched_ctrl[UE_id].uplane_inactivity_timer = 0;
}
else { /* rx_length[i] */
UE_list->eNB_UE_stats[CC_idP][UE_id].num_errors_rx+=1;
openair2/LAYER2/MAC/extern.h
+2
View File
@@ -101,6 +101,8 @@ extern DCI2_5MHz_2A_TDD_t DLSCH_alloc_pdu1;
extern DCI2_5MHz_2A_TDD_t DLSCH_alloc_pdu2;
extern DCI1E_5MHz_2A_M10PRB_TDD_t DLSCH_alloc_pdu1E;
extern uint16_t reestablish_rnti_map[NUMBER_OF_UE_MAX][2];
#endif //DEF_H
openair2/LAYER2/MAC/pre_processor.c
+3
View File
@@ -581,6 +581,9 @@ void dlsch_scheduler_pre_processor (module_id_t Mod_id,
if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1)
continue;
UE_id = i;
/* harada */
int harq_pid_ul = (((frameP<<1)+subframeP)&7);//subframe2harqpid(&RC.mac[Mod_id]->common_channels[CC_id],frameP,subframeP);
if( (UE_list->UE_sched_ctrl[UE_id].ul_scheduled & (1<<harq_pid_ul)) != 0 ) continue;
for (ii=0; ii<UE_num_active_CC(UE_list,UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id];
openair2/LAYER2/MAC/proto.h
+8
View File
@@ -393,6 +393,14 @@ void set_ue_dai(sub_frame_t subframeP,
uint8_t tdd_config,
UE_list_t *UE_list);
/** \brief First stage of PCH Scheduling. Gets a PCH SDU from RRC if available and computes the MCS required to transport it as a function of the SDU length. It assumes a length less than or equal to 64 bytes (MCS 6, 3 PRBs).
@param Mod_id Instance ID of eNB
@param frame Frame index
@param subframe Subframe number on which to act
@param paging_ue_index
*/
void schedule_PCH(module_id_t module_idP,frame_t frameP,sub_frame_t subframeP);
uint8_t find_num_active_UEs_in_cbagroup(module_id_t module_idP, unsigned char group_id);
uint8_t UE_is_to_be_scheduled(module_id_t module_idP,int CC_id,uint8_t UE_id);
/** \brief Round-robin scheduler for ULSCH traffic.
openair2/LAYER2/PDCP_v10.1.0/pdcp.c
+36 -2
View File
@@ -68,6 +68,8 @@
extern int otg_enabled;
#endif
#include "common/ran_context.h"
extern RAN_CONTEXT_t RC;
//-----------------------------------------------------------------------------
/*
@@ -948,6 +950,21 @@ pdcp_run (
AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
break;
case RRC_PCCH_DATA_REQ:
{
sdu_size_t sdu_buffer_sizeP;
sdu_buffer_sizeP = RRC_PCCH_DATA_REQ(msg_p).sdu_size;
uint8_t CC_id = RRC_PCCH_DATA_REQ(msg_p).CC_id;
uint8_t ue_index = RRC_PCCH_DATA_REQ(msg_p).ue_index;
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sizeof_paging[ue_index] = sdu_buffer_sizeP;
if (sdu_buffer_sizeP > 0) {
memcpy(RC.rrc[ctxt_pP->module_id]->carrier[CC_id].paging[ue_index], RRC_PCCH_DATA_REQ(msg_p).sdu_p, sdu_buffer_sizeP);
}
//paging pdcp log
LOG_D(PDCP, "PDCP Received RRC_PCCH_DATA_REQ CC_id %d length %d \n", CC_id, sdu_buffer_sizeP);
}
break;
default:
LOG_E(PDCP, "Received unexpected message %s\n", msg_name);
break;
@@ -1037,6 +1054,13 @@ pdcp_remove_UE(
// check and remove SRBs first
for(int i = 0;i<NUMBER_OF_UE_MAX;i++){
if(pdcp_eNB_UE_instance_to_rnti[i] == ctxt_pP->rnti){
pdcp_eNB_UE_instance_to_rnti[i] = NOT_A_RNTI;
break;
}
}
for (srb_id=0; srb_id<2; srb_id++) {
key = PDCP_COLL_KEY_VALUE(ctxt_pP->module_id, ctxt_pP->rnti, ctxt_pP->enb_flag, srb_id, SRB_FLAG_YES);
h_rc = hashtable_remove(pdcp_coll_p, key);
@@ -1344,7 +1368,7 @@ rrc_pdcp_config_asn1_req (
for (cnt=0; cnt<drb2release_list_pP->list.count; cnt++) {
pdrb_id_p = drb2release_list_pP->list.array[cnt];
drb_id = *pdrb_id_p;
key = PDCP_COLL_KEY_VALUE(ctxt_pP->module_id, ctxt_pP->rnti, ctxt_pP->enb_flag, srb_id, SRB_FLAG_NO);
key = PDCP_COLL_KEY_VALUE(ctxt_pP->module_id, ctxt_pP->rnti, ctxt_pP->enb_flag, drb_id, SRB_FLAG_NO);
h_rc = hashtable_get(pdcp_coll_p, key, (void**)&pdcp_p);
if (h_rc != HASH_TABLE_OK) {
@@ -1472,7 +1496,17 @@ pdcp_config_req_asn1 (
if (ctxt_pP->enb_flag == ENB_FLAG_YES) {
pdcp_pP->is_ue = FALSE;
//pdcp_eNB_UE_instance_to_rnti[ctxtP->module_id] = ctxt_pP->rnti;
pdcp_eNB_UE_instance_to_rnti[pdcp_eNB_UE_instance_to_rnti_index] = ctxt_pP->rnti;
// pdcp_eNB_UE_instance_to_rnti[pdcp_eNB_UE_instance_to_rnti_index] = ctxt_pP->rnti;
if( srb_flagP == SRB_FLAG_NO ) {
for(int i = 0;i<NUMBER_OF_UE_MAX;i++){
if(pdcp_eNB_UE_instance_to_rnti[pdcp_eNB_UE_instance_to_rnti_index] == NOT_A_RNTI){
break;
}
pdcp_eNB_UE_instance_to_rnti_index = (pdcp_eNB_UE_instance_to_rnti_index + 1) % NUMBER_OF_UE_MAX;
}
pdcp_eNB_UE_instance_to_rnti[pdcp_eNB_UE_instance_to_rnti_index] = ctxt_pP->rnti;
pdcp_eNB_UE_instance_to_rnti_index = (pdcp_eNB_UE_instance_to_rnti_index + 1) % NUMBER_OF_UE_MAX;
}
//pdcp_eNB_UE_instance_to_rnti_index = (pdcp_eNB_UE_instance_to_rnti_index + 1) % NUMBER_OF_UE_MAX;
} else {
pdcp_pP->is_ue = TRUE;
openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c
+1 -1
View File
@@ -587,7 +587,7 @@ int pdcp_fifo_read_input_sdus (const protocol_ctxt_t* const ctxt_pP)
if (ctxt_cpy.enb_flag) {
ctxt.module_id = 0;
rab_id = pdcp_read_header_g.rb_id % maxDRB;
ctxt.rnti = pdcp_eNB_UE_instance_to_rnti[pdcp_eNB_UE_instance_to_rnti_index];
ctxt.rnti = pdcp_eNB_UE_instance_to_rnti[pdcp_read_header_g.rb_id / maxDRB];
} else {
ctxt.module_id = 0;
rab_id = pdcp_read_header_g.rb_id % maxDRB;
openair2/LAYER2/RLC/TM_v9.3.0/rlc_tm_init.c
+1
View File
@@ -125,6 +125,7 @@ rlc_tm_cleanup (
// RX SIDE
if ((rlcP->output_sdu_in_construction)) {
free_mem_block (rlcP->output_sdu_in_construction, __func__);
rlcP->output_sdu_in_construction = NULL;
}
memset(rlcP, 0, sizeof(rlc_tm_entity_t));
openair2/LAYER2/RLC/UM_v9.3.0/rlc_um_control_primitives.c
+1
View File
@@ -343,6 +343,7 @@ rlc_um_cleanup (
if ((rlc_pP->output_sdu_in_construction)) {
free_mem_block (rlc_pP->output_sdu_in_construction, __func__);
rlc_pP->output_sdu_in_construction = NULL;
}
if (rlc_pP->dar_buffer) {
openair2/LAYER2/openair2_proc.c
+6
View File
@@ -131,6 +131,12 @@ int dump_eNB_l2_stats(char *buffer, int length)
eNB->eNB_stats[CC_id].bcch_buffer,
eNB->eNB_stats[CC_id].total_bcch_buffer,
eNB->eNB_stats[CC_id].bcch_mcs);
len += sprintf(&buffer[len],"PCCH , NB_TX_MAC = %d, transmitted bytes (TTI %d, total %d) MCS (TTI %d)\n",
eNB->eNB_stats[CC_id].total_num_pcch_pdu,
eNB->eNB_stats[CC_id].pcch_buffer,
eNB->eNB_stats[CC_id].total_pcch_buffer,
eNB->eNB_stats[CC_id].pcch_mcs);
eNB->eNB_stats[CC_id].dlsch_bitrate=((eNB->eNB_stats[CC_id].dlsch_bytes_tx*8)/((eNB->frame + 1)*10));
eNB->eNB_stats[CC_id].total_dlsch_pdus_tx+=eNB->eNB_stats[CC_id].dlsch_pdus_tx;
openair2/RRC/LITE/L2_interface.c
+62 -2
View File
@@ -250,6 +250,44 @@ mac_rrc_data_req(
return (Sdu_size);
}
if( (Srb_id & RAB_OFFSET ) == PCCH) {
LOG_T(RRC,"[eNB %d] Frame %d PCCH request (Srb_id %d)\n",Mod_idP,frameP, Srb_id);
// check if data is there for MAC
if(RC.rrc[Mod_idP]->carrier[CC_id].sizeof_paging[mbsfn_sync_area] > 0) { //Fill buffer
LOG_D(RRC,"[eNB %d] PCCH (%p) has %d bytes\n",Mod_idP,&RC.rrc[Mod_idP]->carrier[CC_id].paging[mbsfn_sync_area],
RC.rrc[Mod_idP]->carrier[CC_id].sizeof_paging[mbsfn_sync_area]);
#if 0 //defined(ENABLE_ITTI)
{
MessageDef *message_p;
int pcch_size = RC.rrc[Mod_idP]->arrier[CC_id].sizeof_paging[mbsfn_sync_area];
int sdu_size = sizeof(RRC_MAC_PCCH_DATA_REQ (message_p).sdu);
if (pcch_size > sdu_size) {
LOG_E(RRC, "SDU larger than PCCH SDU buffer size (%d, %d)", pcch_size, sdu_size);
pcch_size = sdu_size;
}
message_p = itti_alloc_new_message (TASK_RRC_ENB, RRC_MAC_PCCH_DATA_REQ);
RRC_MAC_PCCH_DATA_REQ (message_p).frame = frameP;
RRC_MAC_PCCH_DATA_REQ (message_p).sdu_size = pcch_size;
memset (RRC_MAC_PCCH_DATA_REQ (message_p).sdu, 0, PCCH_SDU_SIZE);
memcpy (RRC_MAC_PCCH_DATA_REQ (message_p).sdu, RC.rrc[Mod_idP]->carrier[CC_id].paging[mbsfn_sync_area], pcch_size);
RRC_MAC_PCCH_DATA_REQ (message_p).enb_index = eNB_index;
itti_send_msg_to_task (TASK_MAC_ENB, ENB_MODULE_ID_TO_INSTANCE(Mod_idP), message_p);
}
#endif
memcpy(buffer_pP, RC.rrc[Mod_idP]->carrier[CC_id].paging[mbsfn_sync_area], RC.rrc[Mod_idP]->carrier[CC_id].sizeof_paging[mbsfn_sync_area]);
Sdu_size = RC.rrc[Mod_idP]->carrier[CC_id].sizeof_paging[mbsfn_sync_area];
RC.rrc[Mod_idP]->carrier[CC_id].sizeof_paging[mbsfn_sync_area] = 0;
}
return (Sdu_size);
}
#if defined(Rel10) || defined(Rel14)
if((Srb_id & RAB_OFFSET) == MCCH) {
@@ -771,12 +809,34 @@ void mac_eNB_rrc_ul_failure(const module_id_t Mod_instP,
if (ue_context_p != NULL) {
LOG_I(RRC,"Frame %d, Subframe %d: UE %x UL failure, activating timer\n",frameP,subframeP,rntiP);
ue_context_p->ue_context.ul_failure_timer=1;
if(ue_context_p->ue_context.ul_failure_timer == 0)
ue_context_p->ue_context.ul_failure_timer=1;
}
else {
LOG_W(RRC,"Frame %d, Subframe %d: UL failure: UE %x unknown \n",frameP,subframeP,rntiP);
}
rrc_mac_remove_ue(Mod_instP,rntiP);
// rrc_mac_remove_ue(Mod_instP,rntiP);
}
void mac_eNB_rrc_uplane_failure(const module_id_t Mod_instP,
const int CC_idP,
const frame_t frameP,
const sub_frame_t subframeP,
const rnti_t rntiP)
{
struct rrc_eNB_ue_context_s* ue_context_p = NULL;
ue_context_p = rrc_eNB_get_ue_context(
RC.rrc[Mod_instP],
rntiP);
if (ue_context_p != NULL) {
LOG_I(RRC,"Frame %d, Subframe %d: UE %x U-Plane failure, activating timer\n",frameP,subframeP,rntiP);
if(ue_context_p->ue_context.ul_failure_timer == 0)
ue_context_p->ue_context.ul_failure_timer=19999;
}
else {
LOG_W(RRC,"Frame %d, Subframe %d: U-Plane failure: UE %x unknown \n",frameP,subframeP,rntiP);
}
}
void mac_eNB_rrc_ul_in_sync(const module_id_t Mod_instP,
openair2/RRC/LITE/MESSAGES/asn1_msg.c
+278
View File
@@ -54,6 +54,8 @@
#include "UL-DCCH-Message.h"
#include "DL-CCCH-Message.h"
#include "DL-DCCH-Message.h"
#include "PCCH-Message.h"
#include "openair3/UTILS/conversions.h"
#include "EstablishmentCause.h"
#include "RRCConnectionSetup.h"
#include "SRB-ToAddModList.h"
@@ -89,6 +91,7 @@
#endif
#include "common/ran_context.h"
#include "secu_defs.h"
//#include "PHY/defs.h"
#ifndef USER_MODE
@@ -1964,6 +1967,214 @@ do_RRCConnectionReconfiguration(
return((enc_rval.encoded+7)/8);
}
//------------------------------------------------------------------------------
uint8_t
do_RRCConnectionReestablishment(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_t* const ue_context_pP,
int CC_id,
uint8_t* const buffer,
const uint8_t transmission_mode,
const uint8_t Transaction_id,
SRB_ToAddModList_t **SRB_configList,
struct PhysicalConfigDedicated **physicalConfigDedicated)
{
asn_enc_rval_t enc_rval;
long* logicalchannelgroup = NULL;
struct SRB_ToAddMod* SRB1_config = NULL;
struct SRB_ToAddMod* SRB2_config = NULL;
struct SRB_ToAddMod__rlc_Config* SRB1_rlc_config = NULL;
struct SRB_ToAddMod__logicalChannelConfig* SRB1_lchan_config = NULL;
struct LogicalChannelConfig__ul_SpecificParameters* SRB1_ul_SpecificParameters = NULL;
eNB_RRC_INST *rrc = RC.rrc[ctxt_pP->module_id];
#ifdef CBA
struct PUSCH_CBAConfigDedicated_vlola* pusch_CBAConfigDedicated_vlola = NULL;
long* betaOffset_CBA_Index = NULL;
long* cShift_CBA = NULL;
#endif
PhysicalConfigDedicated_t* physicalConfigDedicated2 = NULL;
DL_CCCH_Message_t dl_ccch_msg;
RRCConnectionReestablishment_t* rrcConnectionReestablishment = NULL;
int i = 0;
SRB_ToAddModList_t **SRB_configList2 = NULL;
SRB_configList2 = &ue_context_pP->ue_context.SRB_configList2[Transaction_id];
if (*SRB_configList2) {
free(*SRB_configList2);
}
*SRB_configList2 = CALLOC(1, sizeof(SRB_ToAddModList_t));
memset((void *)&dl_ccch_msg, 0, sizeof(DL_CCCH_Message_t));
dl_ccch_msg.message.present = DL_CCCH_MessageType_PR_c1;
dl_ccch_msg.message.choice.c1.present = DL_CCCH_MessageType__c1_PR_rrcConnectionReestablishment;
rrcConnectionReestablishment = &dl_ccch_msg.message.choice.c1.choice.rrcConnectionReestablishment;
// RRCConnectionReestablishment
// Configure SRB1
// get old configuration of SRB2
if (*SRB_configList != NULL) {
for (i = 0; (i < (*SRB_configList)->list.count) && (i < 3); i++) {
LOG_D(RRC, "(*SRB_configList)->list.array[%d]->srb_Identity=%ld\n",
i, (*SRB_configList)->list.array[i]->srb_Identity);
if ((*SRB_configList)->list.array[i]->srb_Identity == 2 ){
SRB2_config = (*SRB_configList)->list.array[i];
} else if ((*SRB_configList)->list.array[i]->srb_Identity == 1 ){
SRB1_config = (*SRB_configList)->list.array[i];
}
}
}
if (SRB1_config == NULL) {
// default SRB1 configuration
LOG_W(RRC,"SRB1 configuration does not exist in SRB configuration list, use default\n");
/// SRB1
SRB1_config = CALLOC(1, sizeof(*SRB1_config));
SRB1_config->srb_Identity = 1;
SRB1_rlc_config = CALLOC(1, sizeof(*SRB1_rlc_config));
SRB1_config->rlc_Config = SRB1_rlc_config;
SRB1_rlc_config->present = SRB_ToAddMod__rlc_Config_PR_explicitValue;
SRB1_rlc_config->choice.explicitValue.present=RLC_Config_PR_am;
#if defined(ENABLE_ITTI)
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.t_PollRetransmit = rrc->srb1_timer_poll_retransmit;
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollPDU = rrc->srb1_poll_pdu;
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollByte = rrc->srb1_poll_byte;
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.maxRetxThreshold = rrc->srb1_max_retx_threshold;
SRB1_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_Reordering = rrc->srb1_timer_reordering;
SRB1_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_StatusProhibit = rrc->srb1_timer_status_prohibit;
#else
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.t_PollRetransmit = T_PollRetransmit_ms20;;
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollPDU = PollPDU_p4;;
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollByte = PollByte_kBinfinity;
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.maxRetxThreshold = UL_AM_RLC__maxRetxThreshold_t8;
SRB1_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_Reordering = T_Reordering_ms35;
SRB1_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_StatusProhibit = T_StatusProhibit_ms0;
#endif
SRB1_lchan_config = CALLOC(1, sizeof(*SRB1_lchan_config));
SRB1_config->logicalChannelConfig = SRB1_lchan_config;
SRB1_lchan_config->present = SRB_ToAddMod__logicalChannelConfig_PR_explicitValue;
SRB1_ul_SpecificParameters = CALLOC(1, sizeof(*SRB1_ul_SpecificParameters));
SRB1_lchan_config->choice.explicitValue.ul_SpecificParameters = SRB1_ul_SpecificParameters;
SRB1_ul_SpecificParameters->priority = 1;
//assign_enum(&SRB1_ul_SpecificParameters->prioritisedBitRate,LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity);
SRB1_ul_SpecificParameters->prioritisedBitRate=LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
//assign_enum(&SRB1_ul_SpecificParameters->bucketSizeDuration,LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50);
SRB1_ul_SpecificParameters->bucketSizeDuration=LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
logicalchannelgroup = CALLOC(1, sizeof(long));
*logicalchannelgroup = 0;
SRB1_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup;
}
if (SRB2_config == NULL) {
LOG_W(RRC,"SRB2 configuration does not exist in SRB configuration list\n");
} else {
ASN_SEQUENCE_ADD(&(*SRB_configList2)->list, SRB2_config);
}
if (*SRB_configList) {
free(*SRB_configList);
}
*SRB_configList = CALLOC(1, sizeof(SRB_ToAddModList_t));
ASN_SEQUENCE_ADD(&(*SRB_configList)->list,SRB1_config);
physicalConfigDedicated2 = *physicalConfigDedicated;
rrcConnectionReestablishment->rrc_TransactionIdentifier = Transaction_id;
rrcConnectionReestablishment->criticalExtensions.present = RRCConnectionReestablishment__criticalExtensions_PR_c1;
rrcConnectionReestablishment->criticalExtensions.choice.c1.present = RRCConnectionReestablishment__criticalExtensions__c1_PR_rrcConnectionReestablishment_r8;
rrcConnectionReestablishment->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r8.radioResourceConfigDedicated.srb_ToAddModList = *SRB_configList;
rrcConnectionReestablishment->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r8.radioResourceConfigDedicated.drb_ToAddModList = NULL;
rrcConnectionReestablishment->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r8.radioResourceConfigDedicated.drb_ToReleaseList = NULL;
rrcConnectionReestablishment->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r8.radioResourceConfigDedicated.sps_Config = NULL;
rrcConnectionReestablishment->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r8.radioResourceConfigDedicated.physicalConfigDedicated = physicalConfigDedicated2;
rrcConnectionReestablishment->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r8.radioResourceConfigDedicated.mac_MainConfig = NULL;
uint8_t KeNB_star[32] = { 0 };
uint16_t pci = rrc->carrier[CC_id].physCellId;
uint32_t earfcn_dl = (uint32_t)freq_to_arfcn10(RC.mac[ctxt_pP->module_id]->common_channels[CC_id].eutra_band,
rrc->carrier[CC_id].dl_CarrierFreq);
bool is_rel8_only = true;
if (earfcn_dl > 65535) {
is_rel8_only = false;
}
LOG_D(RRC, "pci=%d, eutra_band=%d, downlink_frequency=%d, earfcn_dl=%u, is_rel8_only=%s\n",
pci,
RC.mac[ctxt_pP->module_id]->common_channels[CC_id].eutra_band,
rrc->carrier[CC_id].dl_CarrierFreq,
earfcn_dl,
is_rel8_only == true ? "true": "false");
#if defined(ENABLE_SECURITY)
if (ue_context_pP->ue_context.nh_ncc >= 0) {
derive_keNB_star(ue_context_pP->ue_context.nh, pci, earfcn_dl, is_rel8_only, KeNB_star);
rrcConnectionReestablishment->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r8.nextHopChainingCount = ue_context_pP->ue_context.nh_ncc;
} else { // first HO
derive_keNB_star (ue_context_pP->ue_context.kenb, pci, earfcn_dl, is_rel8_only, KeNB_star);
// LG: really 1
rrcConnectionReestablishment->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r8.nextHopChainingCount = 0;
}
// copy KeNB_star to ue_context_pP->ue_context.kenb
memcpy (ue_context_pP->ue_context.kenb, KeNB_star, 32);
ue_context_pP->ue_context.kenb_ncc = 0;
#else
rrcConnectionReestablishment->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r8.nextHopChainingCount = 0;
#endif
rrcConnectionReestablishment->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r8.nonCriticalExtension = NULL;
#ifdef XER_PRINT
xer_fprint(stdout, &asn_DEF_DL_CCCH_Message, (void*)&dl_ccch_msg);
#endif
enc_rval = uper_encode_to_buffer(&asn_DEF_DL_CCCH_Message,
(void*)&dl_ccch_msg,
buffer,
100);
AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
#if defined(ENABLE_ITTI)
# if !defined(DISABLE_XER_SPRINT)
{
char message_string[20000];
size_t message_string_size;
if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_DL_CCCH_Message, (void *) &dl_ccch_msg)) > 0) {
MessageDef *msg_p;
msg_p = itti_alloc_new_message_sized (TASK_RRC_ENB, RRC_DL_CCCH, message_string_size + sizeof (IttiMsgText));
msg_p->ittiMsg.rrc_dl_ccch.size = message_string_size;
memcpy(&msg_p->ittiMsg.rrc_dl_ccch.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, ctxt_pP->instance, msg_p);
}
}
# endif
#endif
#ifdef USER_MODE
LOG_D(RRC,"RRCConnectionReestablishment Encoded %zd bits (%zd bytes)\n",
enc_rval.encoded,(enc_rval.encoded+7)/8);
#endif
return((enc_rval.encoded+7)/8);
}
//------------------------------------------------------------------------------
uint8_t
do_RRCConnectionReestablishmentReject(
@@ -2451,6 +2662,73 @@ uint8_t do_DLInformationTransfer(uint8_t Mod_id, uint8_t **buffer, uint8_t trans
return encoded;
}
uint8_t do_Paging(uint8_t Mod_id, uint8_t *buffer, ue_paging_identity_t ue_paging_identity, cn_domain_t cn_domain)
{
LOG_D(RRC, "[eNB %d] do_Paging start\n", Mod_id);
asn_enc_rval_t enc_rval;
PCCH_Message_t pcch_msg;
PagingRecord_t *paging_record_p;
int j;
pcch_msg.message.present = PCCH_MessageType_PR_c1;
pcch_msg.message.choice.c1.present = PCCH_MessageType__c1_PR_paging;
pcch_msg.message.choice.c1.choice.paging.pagingRecordList = CALLOC(1,sizeof(*pcch_msg.message.choice.c1.choice.paging.pagingRecordList));
pcch_msg.message.choice.c1.choice.paging.systemInfoModification = NULL;
pcch_msg.message.choice.c1.choice.paging.etws_Indication = NULL;
pcch_msg.message.choice.c1.choice.paging.nonCriticalExtension = NULL;
asn_set_empty(&pcch_msg.message.choice.c1.choice.paging.pagingRecordList->list);
pcch_msg.message.choice.c1.choice.paging.pagingRecordList->list.count = 0;
if ((paging_record_p = calloc(1, sizeof(PagingRecord_t))) == NULL) {
/* Possible error on calloc */
return (-1);
}
memset(paging_record_p, 0, sizeof(PagingRecord_t));
/* convert ue_paging_identity_t to PagingUE_Identity_t */
if (ue_paging_identity.presenceMask == UE_PAGING_IDENTITY_s_tmsi) {
paging_record_p->ue_Identity.present = PagingUE_Identity_PR_s_TMSI;
MME_CODE_TO_OCTET_STRING(ue_paging_identity.choice.s_tmsi.mme_code,
&paging_record_p->ue_Identity.choice.s_TMSI.mmec);
paging_record_p->ue_Identity.choice.s_TMSI.mmec.bits_unused = 0;
M_TMSI_TO_OCTET_STRING(ue_paging_identity.choice.s_tmsi.m_tmsi,
&paging_record_p->ue_Identity.choice.s_TMSI.m_TMSI);
paging_record_p->ue_Identity.choice.s_TMSI.m_TMSI.bits_unused = 0;
} else if (ue_paging_identity.presenceMask == UE_PAGING_IDENTITY_imsi) {
IMSI_Digit_t imsi_digit[21];
for (j = 0; j< ue_paging_identity.choice.imsi.length; j++) { /* IMSI size */
imsi_digit[j] = (IMSI_Digit_t)ue_paging_identity.choice.imsi.buffer[j];
ASN_SEQUENCE_ADD(&paging_record_p->ue_Identity.choice.imsi.list, &imsi_digit[j]);
}
}
/* set cn_domain */
if (cn_domain == CN_DOMAIN_PS) {
paging_record_p->cn_Domain = PagingRecord__cn_Domain_ps;
} else {
paging_record_p->cn_Domain = PagingRecord__cn_Domain_cs;
}
/* add to list */
ASN_SEQUENCE_ADD(&pcch_msg.message.choice.c1.choice.paging.pagingRecordList->list, paging_record_p);
LOG_D(RRC, "[eNB %d] do_Paging paging_record: cn_Domain %ld, ue_paging_identity.presenceMask %d, PagingRecordList.count %d\n",
Mod_id, paging_record_p->cn_Domain, ue_paging_identity.presenceMask, pcch_msg.message.choice.c1.choice.paging.pagingRecordList->list.count);
enc_rval = uper_encode_to_buffer(&asn_DEF_PCCH_Message, (void*)&pcch_msg, buffer, RRC_BUF_SIZE);
AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
#ifdef XER_PRINT
xer_fprint(stdout, &asn_DEF_PCCH_Message, (void*)&pcch_msg);
#endif
return((enc_rval.encoded+7)/8);
}
uint8_t do_ULInformationTransfer(uint8_t **buffer, uint32_t pdu_length, uint8_t *pdu_buffer)
{
ssize_t encoded;
openair2/RRC/LITE/MESSAGES/asn1_msg.h
+24
View File
@@ -195,6 +195,28 @@ do_RRCConnectionReconfiguration(
, SCellToAddMod_r10_t *SCell_config
#endif
);
/**
\brief Generate an RRCConnectionReestablishment DL-CCCH-Message (eNB). This routine configures SRB_ToAddMod (SRB1/SRB2) and
PhysicalConfigDedicated IEs. The latter does not enable periodic CQI reporting (PUCCH format 2/2a/2b) or SRS.
@param ctxt_pP Running context
@param ue_context_pP UE context
@param CC_id Component Carrier ID
@param buffer Pointer to PER-encoded ASN.1 description of DL-CCCH-Message PDU
@param transmission_mode Transmission mode for UE (1-9)
@param Transaction_id Transaction_ID for this message
@param SRB_configList Pointer (returned) to SRB1_config/SRB2_config(later) IEs for this UE
@param physicalConfigDedicated Pointer (returned) to PhysicalConfigDedicated IE for this UE
@returns Size of encoded bit stream in bytes*/
uint8_t
do_RRCConnectionReestablishment(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_t* const ue_context_pP,
int CC_id,
uint8_t* const buffer,
const uint8_t transmission_mode,
const uint8_t Transaction_id,
SRB_ToAddModList_t **SRB_configList,
struct PhysicalConfigDedicated **physicalConfigDedicated);
/**
\brief Generate an RRCConnectionReestablishmentReject DL-CCCH-Message (eNB).
@@ -249,6 +271,8 @@ uint8_t do_MeasurementReport(uint8_t Mod_id, uint8_t *buffer,int measid,int phy_
uint8_t do_DLInformationTransfer(uint8_t Mod_id, uint8_t **buffer, uint8_t transaction_id, uint32_t pdu_length, uint8_t *pdu_buffer);
uint8_t do_Paging(uint8_t Mod_id, uint8_t *buffer, ue_paging_identity_t ue_paging_identity, cn_domain_t cn_domain);
uint8_t do_ULInformationTransfer(uint8_t **buffer, uint32_t pdu_length, uint8_t *pdu_buffer);
OAI_UECapability_t *fill_ue_capability(char *UE_EUTRA_Capability_xer);
openair2/RRC/LITE/defs.h
+27 -1
View File
@@ -292,12 +292,15 @@ typedef enum e_rab_satus_e {
E_RAB_STATUS_DONE, // from the eNB perspective
E_RAB_STATUS_ESTABLISHED, // get the reconfigurationcomplete form UE
E_RAB_STATUS_FAILED,
E_RAB_STATUS_TORELEASE // to release DRB between eNB and UE
} e_rab_status_t;
typedef struct e_rab_param_s {
e_rab_t param;
uint8_t status;
uint8_t xid; // transaction_id
s1ap_Cause_t cause;
uint8_t cause_value;
} __attribute__ ((__packed__)) e_rab_param_t;
#endif
@@ -375,6 +378,7 @@ typedef struct eNB_RRC_UE_s {
SRB_ToAddModList_t* SRB_configList2[RRC_TRANSACTION_IDENTIFIER_NUMBER];
DRB_ToAddModList_t* DRB_configList;
DRB_ToAddModList_t* DRB_configList2[RRC_TRANSACTION_IDENTIFIER_NUMBER];
DRB_ToReleaseList_t* DRB_Release_configList2[RRC_TRANSACTION_IDENTIFIER_NUMBER];
uint8_t DRB_active[8];
struct PhysicalConfigDedicated* physicalConfigDedicated;
struct SPS_Config* sps_Config;
@@ -394,6 +398,9 @@ typedef struct eNB_RRC_UE_s {
#if defined(ENABLE_SECURITY)
/* KeNB as derived from KASME received from EPC */
uint8_t kenb[32];
int8_t kenb_ncc;
uint8_t nh[32];
int8_t nh_ncc;
#endif
/* Used integrity/ciphering algorithms */
CipheringAlgorithm_r12_t ciphering_algorithm;
@@ -423,9 +430,15 @@ typedef struct eNB_RRC_UE_s {
uint8_t setup_e_rabs;
/* Number of e_rab to be setup in the list */
uint8_t nb_of_e_rabs;
/* Number of e_rab to be modified in the list */
uint8_t nb_of_modify_e_rabs;
uint8_t nb_of_failed_e_rabs;
e_rab_param_t modify_e_rab[NB_RB_MAX];//[S1AP_MAX_E_RAB];
/* list of e_rab to be setup by RRC layers */
e_rab_param_t e_rab[NB_RB_MAX];//[S1AP_MAX_E_RAB];
//release e_rabs
uint8_t nb_release_of_e_rabs;
e_rab_failed_t e_rabs_release_failed[S1AP_MAX_E_RAB];
// LG: For GTPV1 TUNNELS
uint32_t enb_gtp_teid[S1AP_MAX_E_RAB];
transport_layer_addr_t enb_gtp_addrs[S1AP_MAX_E_RAB];
@@ -434,6 +447,7 @@ typedef struct eNB_RRC_UE_s {
uint32_t ul_failure_timer;
uint32_t ue_release_timer;
uint32_t ue_release_timer_thres;
uint8_t e_rab_release_command_flag;
} eNB_RRC_UE_t;
typedef uid_t ue_uid_t;
@@ -497,6 +511,8 @@ typedef struct {
#endif
SRB_INFO SI;
SRB_INFO Srb0;
uint8_t *paging[NUMBER_OF_UE_MAX];
uint32_t sizeof_paging[NUMBER_OF_UE_MAX];
} rrc_eNB_carrier_data_t;
typedef struct eNB_RRC_INST_s {
@@ -624,6 +640,8 @@ typedef struct UE_RRC_INST_s {
#if defined(ENABLE_SECURITY)
/* KeNB as computed from parameters within USIM card */
uint8_t kenb[32];
uint8_t nh[32];
int8_t nh_ncc;
#endif
/* Used integrity/ciphering algorithms */
@@ -631,6 +649,14 @@ typedef struct UE_RRC_INST_s {
e_SecurityAlgorithmConfig__integrityProtAlgorithm integrity_algorithm;
} UE_RRC_INST;
typedef struct UE_PF_PO_s {
boolean_t enable_flag; /* flag indicate whether current object is used */
uint16_t ue_index_value; /* UE index value */
uint8_t PF_min; /* minimal value of Paging Frame (PF) */
uint8_t PO; /* Paging Occasion (PO) */
uint32_t T; /* DRX cycle */
} UE_PF_PO_t;
#include "proto.h"
#endif
openair2/RRC/LITE/extern.h
+5
View File
@@ -77,6 +77,11 @@ extern uint32_t timeToTrigger_ms[16];
extern float RSRP_meas_mapping[100];
extern float RSRQ_meas_mapping[33];
extern UE_PF_PO_t UE_PF_PO[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
extern pthread_mutex_t ue_pf_po_mutex;
extern uint16_t reestablish_rnti_map[NUMBER_OF_UE_MAX][2];
#endif
openair2/RRC/LITE/proto.h
+20
View File
@@ -254,6 +254,8 @@ rrc_eNB_generate_defaultRRCConnectionReconfiguration(
const uint8_t ho_state
);
int freq_to_arfcn10(int band, unsigned long freq);
void
rrc_eNB_generate_dedeicatedRRCConnectionReconfiguration(
const protocol_ctxt_t* const ctxt_pP,
@@ -261,6 +263,18 @@ rrc_eNB_generate_dedeicatedRRCConnectionReconfiguration(
const uint8_t ho_state
);
/**\brief release Data Radio Bearer between ENB and UE
\param ctxt_pP Running context
\param ue_context_pP UE context of UE receiving the message*/
void
rrc_eNB_generate_dedicatedRRCConnectionReconfiguration_release(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_t* const ue_context_pP,
uint8_t xid,
uint32_t nas_length,
uint8_t* nas_buffer
);
void
rrc_eNB_reconfigure_DRBs (const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_t* ue_context_pP);
@@ -324,6 +338,12 @@ void mac_eNB_rrc_ul_failure(const module_id_t Mod_instP,
const sub_frame_t subframeP,
const rnti_t rnti);
void mac_eNB_rrc_uplane_failure(const module_id_t Mod_instP,
const int CC_id,
const frame_t frameP,
const sub_frame_t subframeP,
const rnti_t rnti);
void mac_eNB_rrc_ul_in_sync(const module_id_t Mod_instP,
const int CC_id,
const frame_t frameP,
openair2/RRC/LITE/rrc_common.c
+5 -2
View File
@@ -363,9 +363,12 @@ rrc_rx_tx(
}
}
}
if (ue_to_be_removed)
if (ue_to_be_removed) {
rrc_eNB_free_UE(ctxt_pP->module_id,ue_to_be_removed);
if(ue_to_be_removed->ue_context.ul_failure_timer >= 20000){
ue_to_be_removed->ue_context.ul_failure_timer = 0;
}
}
#ifdef RRC_LOCALIZATION
/* for the localization, only primary CC_id might be relevant*/
openair2/RRC/LITE/rrc_eNB.c
+1500 -18
View File
File diff suppressed because it is too large Load Diff
openair2/RRC/LITE/rrc_eNB_GTPV1U.c
+10 -6
View File
@@ -47,7 +47,8 @@ extern RAN_CONTEXT_t RC;
int
rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP(
const protocol_ctxt_t* const ctxt_pP,
const gtpv1u_enb_create_tunnel_resp_t * const create_tunnel_resp_pP
const gtpv1u_enb_create_tunnel_resp_t * const create_tunnel_resp_pP,
uint8_t *inde_list
)
{
rnti_t rnti;
@@ -66,15 +67,18 @@ rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP(
for (i = 0; i < create_tunnel_resp_pP->num_tunnels; i++) {
ue_context_p->ue_context.enb_gtp_teid[i+ue_context_p->ue_context.setup_e_rabs] = create_tunnel_resp_pP->enb_S1u_teid[i];
ue_context_p->ue_context.enb_gtp_addrs[i+ue_context_p->ue_context.setup_e_rabs] = create_tunnel_resp_pP->enb_addr;
ue_context_p->ue_context.enb_gtp_ebi[i+ue_context_p->ue_context.setup_e_rabs] = create_tunnel_resp_pP->eps_bearer_id[i];
// ue_context_p->ue_context.enb_gtp_teid[i+ue_context_p->ue_context.setup_e_rabs] = create_tunnel_resp_pP->enb_S1u_teid[i];
// ue_context_p->ue_context.enb_gtp_addrs[i+ue_context_p->ue_context.setup_e_rabs] = create_tunnel_resp_pP->enb_addr;
// ue_context_p->ue_context.enb_gtp_ebi[i+ue_context_p->ue_context.setup_e_rabs] = create_tunnel_resp_pP->eps_bearer_id[i];
ue_context_p->ue_context.enb_gtp_teid[inde_list[i]] = create_tunnel_resp_pP->enb_S1u_teid[i];
ue_context_p->ue_context.enb_gtp_addrs[inde_list[i]] = create_tunnel_resp_pP->enb_addr;
ue_context_p->ue_context.enb_gtp_ebi[inde_list[i]] = create_tunnel_resp_pP->eps_bearer_id[i];
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT" rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP tunnel (%u, %u) bearer UE context index %u, msg index %u, id %u, gtp addr len %d \n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
create_tunnel_resp_pP->enb_S1u_teid[i],
ue_context_p->ue_context.enb_gtp_teid[i+ue_context_p->ue_context.setup_e_rabs],
i+ue_context_p->ue_context.setup_e_rabs,
ue_context_p->ue_context.enb_gtp_teid[inde_list[i]],
inde_list[i],
i,
create_tunnel_resp_pP->eps_bearer_id[i],
create_tunnel_resp_pP->enb_addr.length);
openair2/RRC/LITE/rrc_eNB_GTPV1U.h
+2 -1
View File
@@ -43,7 +43,8 @@
int
rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP(
const protocol_ctxt_t* const ctxt_pP,
const gtpv1u_enb_create_tunnel_resp_t * const create_tunnel_resp_pP
const gtpv1u_enb_create_tunnel_resp_t * const create_tunnel_resp_pP,
uint8_t *inde_list
);
# endif
openair2/RRC/LITE/rrc_eNB_S1AP.c
+563 -26
View File
@@ -342,6 +342,8 @@ static void process_eNB_security_key (
/* Saves the security key */
memcpy (ue_context_pP->ue_context.kenb, security_key_pP, SECURITY_KEY_LENGTH);
memset (ue_context_pP->ue_context.nh, 0, SECURITY_KEY_LENGTH);
ue_context_pP->ue_context.nh_ncc = -1;
for (i = 0; i < 32; i++) {
sprintf(&ascii_buffer[2 * i], "%02X", ue_context_pP->ue_context.kenb[i]);
@@ -355,7 +357,7 @@ static void process_eNB_security_key (
//------------------------------------------------------------------------------
static void
void
rrc_pdcp_config_security(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_t* const ue_context_pP,
@@ -890,6 +892,7 @@ int rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, const char
//MessageDef *message_gtpv1u_p = NULL;
gtpv1u_enb_create_tunnel_req_t create_tunnel_req;
gtpv1u_enb_create_tunnel_resp_t create_tunnel_resp;
uint8_t inde_list[NB_RB_MAX - 3]={0};
struct rrc_eNB_ue_context_s* ue_context_p = NULL;
protocol_ctxt_t ctxt;
@@ -935,10 +938,12 @@ int rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, const char
memcpy(&create_tunnel_req.sgw_addr[i],
&S1AP_INITIAL_CONTEXT_SETUP_REQ (msg_p).e_rab_param[i].sgw_addr,
sizeof(transport_layer_addr_t));
inde_list[create_tunnel_req.num_tunnels]= i;
create_tunnel_req.num_tunnels++;
}
create_tunnel_req.rnti = ue_context_p->ue_context.rnti; // warning put zero above
create_tunnel_req.num_tunnels = i;
// create_tunnel_req.num_tunnels = i;
gtpv1u_create_s1u_tunnel(
instance,
@@ -947,7 +952,8 @@ int rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, const char
rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP(
&ctxt,
&create_tunnel_resp);
&create_tunnel_resp,
&inde_list[0]);
ue_context_p->ue_context.setup_e_rabs=ue_context_p->ue_context.nb_of_e_rabs;
}
@@ -1263,9 +1269,12 @@ int rrc_eNB_process_S1AP_E_RAB_SETUP_REQ(MessageDef *msg_p, const char *msg_name
uint32_t eNB_ue_s1ap_id;
gtpv1u_enb_create_tunnel_req_t create_tunnel_req;
gtpv1u_enb_create_tunnel_resp_t create_tunnel_resp;
uint8_t inde_list[NB_RB_MAX - 3]={0};
struct rrc_eNB_ue_context_s* ue_context_p = NULL;
protocol_ctxt_t ctxt;
uint8_t e_rab_done;
ue_initial_id = S1AP_E_RAB_SETUP_REQ (msg_p).ue_initial_id;
eNB_ue_s1ap_id = S1AP_E_RAB_SETUP_REQ (msg_p).eNB_ue_s1ap_id;
ue_context_p = rrc_eNB_get_ue_context_from_s1ap_ids(instance, ue_initial_id, eNB_ue_s1ap_id);
@@ -1296,35 +1305,46 @@ int rrc_eNB_process_S1AP_E_RAB_SETUP_REQ(MessageDef *msg_p, const char *msg_name
memset(&create_tunnel_req, 0 , sizeof(create_tunnel_req));
uint8_t nb_e_rabs_tosetup = S1AP_E_RAB_SETUP_REQ (msg_p).nb_e_rabs_tosetup;
e_rab_done = 0;
// keep the previous bearer
// the index for the rec
for (i = 0;
i < nb_e_rabs_tosetup;
// i < nb_e_rabs_tosetup;
i < NB_RB_MAX - 3; // loop all e-rabs in e_rab[]
i++) {
if (ue_context_p->ue_context.e_rab[i+ue_context_p->ue_context.setup_e_rabs].status == E_RAB_STATUS_DONE)
LOG_W(RRC,"E-RAB already configured, reconfiguring\n");
ue_context_p->ue_context.e_rab[i+ue_context_p->ue_context.setup_e_rabs].status = E_RAB_STATUS_NEW;
ue_context_p->ue_context.e_rab[i+ue_context_p->ue_context.setup_e_rabs].param = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i];
//if (ue_context_p->ue_context.e_rab[i+ue_context_p->ue_context.setup_e_rabs].status == E_RAB_STATUS_DONE)
// LOG_W(RRC,"E-RAB already configured, reconfiguring\n");
// check e-rab status, if e rab status is greater than E_RAB_STATUS_DONE, don't not config this one
if(ue_context_p->ue_context.e_rab[i].status >= E_RAB_STATUS_DONE)
continue;
//ue_context_p->ue_context.e_rab[i+ue_context_p->ue_context.setup_e_rabs].status = E_RAB_STATUS_NEW;
//ue_context_p->ue_context.e_rab[i+ue_context_p->ue_context.setup_e_rabs].param = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i];
ue_context_p->ue_context.e_rab[i].status = E_RAB_STATUS_NEW;
ue_context_p->ue_context.e_rab[i].param = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[e_rab_done];
create_tunnel_req.eps_bearer_id[e_rab_done] = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[e_rab_done].e_rab_id;
create_tunnel_req.sgw_S1u_teid[e_rab_done] = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[e_rab_done].gtp_teid;
create_tunnel_req.eps_bearer_id[i] = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i].e_rab_id;
create_tunnel_req.sgw_S1u_teid[i] = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i].gtp_teid;
memcpy(&create_tunnel_req.sgw_addr[i],
& S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i].sgw_addr,
memcpy(&create_tunnel_req.sgw_addr[e_rab_done],
& S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[e_rab_done].sgw_addr,
sizeof(transport_layer_addr_t));
LOG_I(RRC,"E_RAB setup REQ: local index %d teid %u, eps id %d \n",
i+ue_context_p->ue_context.setup_e_rabs,
create_tunnel_req.sgw_S1u_teid[i],
i,
create_tunnel_req.sgw_S1u_teid[e_rab_done],
create_tunnel_req.eps_bearer_id[i] );
inde_list[e_rab_done] = i;
e_rab_done++;
if(e_rab_done >= nb_e_rabs_tosetup){
break;
}
}
ue_context_p->ue_context.nb_of_e_rabs=nb_e_rabs_tosetup;
create_tunnel_req.rnti = ue_context_p->ue_context.rnti; // warning put zero above
create_tunnel_req.num_tunnels = i;
create_tunnel_req.num_tunnels = e_rab_done;
// NN: not sure if we should create a new tunnel: need to check teid, etc.
gtpv1u_create_s1u_tunnel(
@@ -1334,7 +1354,8 @@ int rrc_eNB_process_S1AP_E_RAB_SETUP_REQ(MessageDef *msg_p, const char *msg_name
rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP(
&ctxt,
&create_tunnel_resp);
&create_tunnel_resp,
&inde_list[0]);
ue_context_p->ue_context.setup_e_rabs+=nb_e_rabs_tosetup;
@@ -1398,12 +1419,17 @@ int rrc_eNB_send_S1AP_E_RAB_SETUP_RESP(const protocol_ctxt_t* const ctxt_pP,
S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs_failed[e_rabs_failed].e_rab_id = ue_context_pP->ue_context.e_rab[e_rab].param.e_rab_id;
e_rabs_failed++;
// TODO add cause when it will be integrated
}
}
S1AP_E_RAB_SETUP_RESP (msg_p).nb_of_e_rabs = e_rabs_done;
S1AP_E_RAB_SETUP_RESP (msg_p).nb_of_e_rabs_failed = e_rabs_failed;
// NN: add conditions for e_rabs_failed
} else {
/*debug info for the xid */
LOG_D(RRC,"xid does not corresponds (context e_rab index %d, status %d, xid %d/%d) \n ",
e_rab, ue_context_pP->ue_context.e_rab[e_rab].status, xid, ue_context_pP->ue_context.e_rab[e_rab].xid);
}
}
if ((e_rabs_done > 0) ){
LOG_I(RRC,"S1AP_E_RAB_SETUP_RESP: sending the message: nb_of_erabs %d, total e_rabs %d, index %d\n",
@@ -1422,17 +1448,528 @@ int rrc_eNB_send_S1AP_E_RAB_SETUP_RESP(const protocol_ctxt_t* const ctxt_pP,
itti_send_msg_to_task (TASK_S1AP, ctxt_pP->instance, msg_p);
}
} else {
/*debug info for the xid */
LOG_D(RRC,"xid does not corresponds (context e_rab index %d, status %d, xid %d/%d) \n ",
e_rab, ue_context_pP->ue_context.e_rab[e_rab].status, xid, ue_context_pP->ue_context.e_rab[e_rab].xid);
}
for(int i = 0; i < NB_RB_MAX; i++) {
ue_context_pP->ue_context.e_rab[i].xid = -1;
}
return 0;
}
int rrc_eNB_process_S1AP_E_RAB_MODIFY_REQ(MessageDef *msg_p, const char *msg_name, instance_t instance)
{
int i;
uint16_t ue_initial_id;
uint32_t eNB_ue_s1ap_id;
struct rrc_eNB_ue_context_s* ue_context_p = NULL;
protocol_ctxt_t ctxt;
ue_initial_id = S1AP_E_RAB_MODIFY_REQ (msg_p).ue_initial_id;
eNB_ue_s1ap_id = S1AP_E_RAB_MODIFY_REQ (msg_p).eNB_ue_s1ap_id;
ue_context_p = rrc_eNB_get_ue_context_from_s1ap_ids(instance, ue_initial_id, eNB_ue_s1ap_id);
LOG_D(RRC, "[eNB %d] Received %s: ue_initial_id %d, eNB_ue_s1ap_id %d, nb_of_e_rabs %d\n",
instance, msg_name, ue_initial_id, eNB_ue_s1ap_id, S1AP_E_RAB_MODIFY_REQ (msg_p).nb_e_rabs_tomodify);
if (ue_context_p == NULL) {
/* Can not associate this message to an UE index, send a failure to S1AP and discard it! */
LOG_W(RRC, "[eNB %d] In S1AP_E_RAB_MODIFY_REQ: unknown UE from S1AP ids (%d, %d)\n", instance, ue_initial_id, eNB_ue_s1ap_id);
int nb_of_e_rabs_failed = 0;
MessageDef *msg_fail_p = NULL;
msg_fail_p = itti_alloc_new_message (TASK_RRC_ENB, S1AP_E_RAB_MODIFY_RESP);
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).eNB_ue_s1ap_id = S1AP_E_RAB_MODIFY_REQ (msg_p).eNB_ue_s1ap_id;
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).nb_of_e_rabs = 0;
for (nb_of_e_rabs_failed = 0; nb_of_e_rabs_failed < S1AP_E_RAB_MODIFY_REQ (msg_p).nb_e_rabs_tomodify; nb_of_e_rabs_failed++) {
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).e_rabs_failed[nb_of_e_rabs_failed].e_rab_id =
S1AP_E_RAB_MODIFY_REQ (msg_p).e_rab_modify_params[nb_of_e_rabs_failed].e_rab_id;
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).e_rabs_failed[nb_of_e_rabs_failed].cause = S1AP_CAUSE_RADIO_NETWORK;
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).e_rabs_failed[nb_of_e_rabs_failed].cause_value = 31;//S1ap_CauseRadioNetwork_multiple_E_RAB_ID_instances;
}
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).nb_of_e_rabs_failed = nb_of_e_rabs_failed;
itti_send_msg_to_task(TASK_S1AP, instance, msg_fail_p);
return (-1);
} else {
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt, instance, ENB_FLAG_YES, ue_context_p->ue_context.rnti, 0, 0);
ue_context_p->ue_context.eNB_ue_s1ap_id = eNB_ue_s1ap_id;
/* Save e RAB information for later */
{
int j;
boolean_t is_treated[S1AP_MAX_E_RAB] = {FALSE};
uint8_t nb_of_failed_e_rabs = 0;
// keep the previous bearer
// the index for the rec
for (i = 0; i < S1AP_E_RAB_MODIFY_REQ (msg_p).nb_e_rabs_tomodify; i++) {
if (is_treated[i] == TRUE) {
// already treated
continue;
}
for (j = i+1; j < S1AP_E_RAB_MODIFY_REQ (msg_p).nb_e_rabs_tomodify; j++) {
if (is_treated[j] == FALSE &&
S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[j].e_rab_id == S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[i].e_rab_id) {
// handle multiple E-RAB ID
ue_context_p->ue_context.modify_e_rab[j].status = E_RAB_STATUS_NEW;
ue_context_p->ue_context.modify_e_rab[j].param.e_rab_id = S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[j].e_rab_id;
ue_context_p->ue_context.modify_e_rab[j].cause = S1AP_CAUSE_RADIO_NETWORK;
ue_context_p->ue_context.modify_e_rab[j].cause_value = 31;//S1ap_CauseRadioNetwork_multiple_E_RAB_ID_instances;
nb_of_failed_e_rabs++;
is_treated[i] = TRUE;
is_treated[j] = TRUE;
}
}
if (is_treated[i] == TRUE) {
// handle multiple E-RAB ID
ue_context_p->ue_context.modify_e_rab[i].status = E_RAB_STATUS_NEW;
ue_context_p->ue_context.modify_e_rab[i].param.e_rab_id = S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[i].e_rab_id;
ue_context_p->ue_context.modify_e_rab[i].cause = S1AP_CAUSE_RADIO_NETWORK;
ue_context_p->ue_context.modify_e_rab[i].cause_value = 31;//S1ap_CauseRadioNetwork_multiple_E_RAB_ID_instances;
nb_of_failed_e_rabs++;
continue;
}
if (S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[i].nas_pdu.length == 0) {
// nas_pdu.length == 0
ue_context_p->ue_context.modify_e_rab[i].status = E_RAB_STATUS_NEW;
ue_context_p->ue_context.modify_e_rab[i].param.e_rab_id = S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[i].e_rab_id;
ue_context_p->ue_context.modify_e_rab[i].cause = S1AP_CAUSE_NAS;
ue_context_p->ue_context.modify_e_rab[i].cause_value = 3;//S1ap_CauseNas_unspecified;
nb_of_failed_e_rabs++;
is_treated[i] = TRUE;
continue;
}
for (j = 0; j < NB_RB_MAX-3; j++) {
if (ue_context_p->ue_context.e_rab[j].param.e_rab_id == S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[i].e_rab_id) {
if(ue_context_p->ue_context.e_rab[j].status == E_RAB_STATUS_TORELEASE || ue_context_p->ue_context.e_rab[j].status == E_RAB_STATUS_DONE){
break;
}
ue_context_p->ue_context.modify_e_rab[i].status = E_RAB_STATUS_NEW;
ue_context_p->ue_context.modify_e_rab[i].cause = S1AP_CAUSE_NOTHING;
ue_context_p->ue_context.modify_e_rab[i].param.e_rab_id = S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[i].e_rab_id;
ue_context_p->ue_context.modify_e_rab[i].param.qos = S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[i].qos;
ue_context_p->ue_context.modify_e_rab[i].param.nas_pdu.length = S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[i].nas_pdu.length;
ue_context_p->ue_context.modify_e_rab[i].param.nas_pdu.buffer = S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[i].nas_pdu.buffer;
ue_context_p->ue_context.modify_e_rab[i].param.sgw_addr = ue_context_p->ue_context.e_rab[j].param.sgw_addr;
ue_context_p->ue_context.modify_e_rab[i].param.gtp_teid = ue_context_p->ue_context.e_rab[j].param.gtp_teid;
is_treated[i] = TRUE;
break;
}
}
if (is_treated[i] == FALSE) {
// handle Unknown E-RAB ID
ue_context_p->ue_context.modify_e_rab[i].status = E_RAB_STATUS_NEW;
ue_context_p->ue_context.modify_e_rab[i].param.e_rab_id = S1AP_E_RAB_MODIFY_REQ(msg_p).e_rab_modify_params[i].e_rab_id;
ue_context_p->ue_context.modify_e_rab[i].cause = S1AP_CAUSE_RADIO_NETWORK;
ue_context_p->ue_context.modify_e_rab[i].cause_value = 30;//S1ap_CauseRadioNetwork_unknown_E_RAB_ID;
nb_of_failed_e_rabs++;
is_treated[i] = TRUE;
}
}
ue_context_p->ue_context.nb_of_modify_e_rabs = S1AP_E_RAB_MODIFY_REQ (msg_p).nb_e_rabs_tomodify;
ue_context_p->ue_context.nb_of_failed_e_rabs = nb_of_failed_e_rabs;
}
/* TODO parameters yet to process ... */
{
// S1AP_INITIAL_CONTEXT_SETUP_REQ(msg_p).ue_ambr;
}
if (ue_context_p->ue_context.nb_of_failed_e_rabs < ue_context_p->ue_context.nb_of_modify_e_rabs) {
if (0 == rrc_eNB_modify_dedicatedRRCConnectionReconfiguration(&ctxt, ue_context_p, 0)) {
return (0);
}
}
{
int nb_of_e_rabs_failed = 0;
MessageDef *msg_fail_p = NULL;
msg_fail_p = itti_alloc_new_message (TASK_RRC_ENB, S1AP_E_RAB_MODIFY_RESP);
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).eNB_ue_s1ap_id = S1AP_E_RAB_MODIFY_REQ (msg_p).eNB_ue_s1ap_id;
// S1AP_E_RAB_MODIFY_RESP (msg_fail_p).e_rabs[S1AP_MAX_E_RAB];
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).nb_of_e_rabs = 0;
for(nb_of_e_rabs_failed = 0; nb_of_e_rabs_failed < ue_context_p->ue_context.nb_of_failed_e_rabs; nb_of_e_rabs_failed++) {
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).e_rabs_failed[nb_of_e_rabs_failed].e_rab_id =
ue_context_p->ue_context.modify_e_rab[nb_of_e_rabs_failed].param.e_rab_id;
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).e_rabs_failed[nb_of_e_rabs_failed].cause = ue_context_p->ue_context.modify_e_rab[nb_of_e_rabs_failed].cause;
}
S1AP_E_RAB_MODIFY_RESP (msg_fail_p).nb_of_e_rabs_failed = nb_of_e_rabs_failed;
itti_send_msg_to_task (TASK_S1AP, instance, msg_fail_p);
ue_context_p->ue_context.nb_of_modify_e_rabs = 0;
ue_context_p->ue_context.nb_of_failed_e_rabs = 0;
memset(ue_context_p->ue_context.modify_e_rab, 0, sizeof(ue_context_p->ue_context.modify_e_rab));
return (0);
}
} // end of ue_context_p != NULL
}
/*NN: careful about the typcast of xid (long -> uint8_t*/
int rrc_eNB_send_S1AP_E_RAB_MODIFY_RESP(const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_t* const ue_context_pP,
uint8_t xid ) {
MessageDef *msg_p = NULL;
int i;
int e_rab;
int e_rabs_done = 0;
int e_rabs_failed = 0;
msg_p = itti_alloc_new_message (TASK_RRC_ENB, S1AP_E_RAB_MODIFY_RESP);
S1AP_E_RAB_MODIFY_RESP (msg_p).eNB_ue_s1ap_id = ue_context_pP->ue_context.eNB_ue_s1ap_id;
for (e_rab = 0; e_rab < ue_context_pP->ue_context.nb_of_modify_e_rabs; e_rab++) {
/* only respond to the corresponding transaction */
if (xid == ue_context_pP->ue_context.modify_e_rab[e_rab].xid) {
if (ue_context_pP->ue_context.modify_e_rab[e_rab].status == E_RAB_STATUS_DONE) {
for (i = 0; i < ue_context_pP->ue_context.setup_e_rabs; i++) {
if (ue_context_pP->ue_context.modify_e_rab[e_rab].param.e_rab_id == ue_context_pP->ue_context.e_rab[i].param.e_rab_id) {
// Update ue_context_pP->ue_context.e_rab
ue_context_pP->ue_context.e_rab[i].status = E_RAB_STATUS_ESTABLISHED;
ue_context_pP->ue_context.e_rab[i].param.qos = ue_context_pP->ue_context.modify_e_rab[e_rab].param.qos;
ue_context_pP->ue_context.e_rab[i].cause = S1AP_CAUSE_NOTHING;
break;
}
}
if (i < ue_context_pP->ue_context.setup_e_rabs) {
S1AP_E_RAB_MODIFY_RESP (msg_p).e_rabs[e_rabs_done].e_rab_id = ue_context_pP->ue_context.modify_e_rab[e_rab].param.e_rab_id;
// TODO add other information from S1-U when it will be integrated
LOG_D (RRC,"enb_gtp_addr (msg index %d, e_rab index %d, status %d, xid %d): nb_of_modify_e_rabs %d, e_rab_id %d \n ",
e_rabs_done, e_rab, ue_context_pP->ue_context.modify_e_rab[e_rab].status, xid,
ue_context_pP->ue_context.nb_of_modify_e_rabs,
S1AP_E_RAB_MODIFY_RESP (msg_p).e_rabs[e_rabs_done].e_rab_id);
e_rabs_done++;
} else {
// unexpected
S1AP_E_RAB_MODIFY_RESP (msg_p).e_rabs_failed[e_rabs_failed].e_rab_id = ue_context_pP->ue_context.modify_e_rab[e_rab].param.e_rab_id;
S1AP_E_RAB_MODIFY_RESP (msg_p).e_rabs_failed[e_rabs_failed].cause = S1AP_CAUSE_RADIO_NETWORK;
S1AP_E_RAB_MODIFY_RESP (msg_p).e_rabs_failed[e_rabs_failed].cause_value = 30;//S1ap_CauseRadioNetwork_unknown_E_RAB_ID;
e_rabs_failed++;
}
} else if ((ue_context_pP->ue_context.modify_e_rab[e_rab].status == E_RAB_STATUS_NEW) ||
(ue_context_pP->ue_context.modify_e_rab[e_rab].status == E_RAB_STATUS_ESTABLISHED)){
LOG_D (RRC,"E-RAB is NEW or already ESTABLISHED\n");
} else { /* status == E_RAB_STATUS_FAILED; */
S1AP_E_RAB_MODIFY_RESP (msg_p).e_rabs_failed[e_rabs_failed].e_rab_id = ue_context_pP->ue_context.modify_e_rab[e_rab].param.e_rab_id;
// add failure cause when defined
S1AP_E_RAB_MODIFY_RESP (msg_p).e_rabs_failed[e_rabs_failed].cause = ue_context_pP->ue_context.modify_e_rab[e_rab].cause;
e_rabs_failed++;
}
} else {
/*debug info for the xid */
LOG_D(RRC,"xid does not corresponds (context e_rab index %d, status %d, xid %d/%d) \n ",
e_rab, ue_context_pP->ue_context.modify_e_rab[e_rab].status, xid, ue_context_pP->ue_context.modify_e_rab[e_rab].xid);
}
}
S1AP_E_RAB_MODIFY_RESP (msg_p).nb_of_e_rabs = e_rabs_done;
S1AP_E_RAB_MODIFY_RESP (msg_p).nb_of_e_rabs_failed = e_rabs_failed;
// NN: add conditions for e_rabs_failed
if (e_rabs_done > 0 || e_rabs_failed > 0) {
LOG_D(RRC,"S1AP_E_RAB_MODIFY_RESP: sending the message: nb_of_modify_e_rabs %d, total e_rabs %d, index %d\n",
ue_context_pP->ue_context.nb_of_modify_e_rabs, ue_context_pP->ue_context.setup_e_rabs, e_rab);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_S1AP_ENB,
(const char *)&S1AP_E_RAB_SETUP_RESP (msg_p),
sizeof(s1ap_e_rab_setup_resp_t),
MSC_AS_TIME_FMT" E_RAB_MODIFY_RESP UE %X eNB_ue_s1ap_id %u e_rabs:%u succ %u fail",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_id_rnti,
S1AP_E_RAB_MODIFY_RESP (msg_p).eNB_ue_s1ap_id,
e_rabs_done, e_rabs_failed);
itti_send_msg_to_task (TASK_S1AP, ctxt_pP->instance, msg_p);
}
return 0;
}
int rrc_eNB_process_S1AP_E_RAB_RELEASE_COMMAND(MessageDef *msg_p, const char *msg_name, instance_t instance){
uint16_t mme_ue_s1ap_id;
uint32_t eNB_ue_s1ap_id;
struct rrc_eNB_ue_context_s* ue_context_p = NULL;
protocol_ctxt_t ctxt;
e_rab_release_t e_rab_release_params[S1AP_MAX_E_RAB];
uint8_t nb_e_rabs_torelease;
int erab;
int i;
uint8_t b_existed,is_existed;
uint8_t xid;
uint8_t e_rab_release_drb;
MessageDef * msg_delete_tunnels_p = NULL;
e_rab_release_drb = 0;
memcpy(&e_rab_release_params[0], &(S1AP_E_RAB_RELEASE_COMMAND (msg_p).e_rab_release_params[0]), sizeof(e_rab_release_t)*S1AP_MAX_E_RAB);
mme_ue_s1ap_id = S1AP_E_RAB_RELEASE_COMMAND (msg_p).mme_ue_s1ap_id;
eNB_ue_s1ap_id = S1AP_E_RAB_RELEASE_COMMAND (msg_p).eNB_ue_s1ap_id;
nb_e_rabs_torelease = S1AP_E_RAB_RELEASE_COMMAND (msg_p).nb_e_rabs_torelease;
ue_context_p = rrc_eNB_get_ue_context_from_s1ap_ids(instance, UE_INITIAL_ID_INVALID, eNB_ue_s1ap_id);
if(ue_context_p != NULL){
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt, instance, ENB_FLAG_YES, ue_context_p->ue_context.rnti, 0, 0);
xid = rrc_eNB_get_next_transaction_identifier(ctxt.module_id);
LOG_D(RRC,"S1AP-E-RAB Release Command: MME_UE_S1AP_ID %d ENB_UE_S1AP_ID %d release_e_rabs %d \n",
mme_ue_s1ap_id, eNB_ue_s1ap_id,nb_e_rabs_torelease);
for(erab = 0; erab < nb_e_rabs_torelease; erab++){
b_existed = 0;
is_existed = 0;
for ( i = erab-1; i>= 0; i--){
if (e_rab_release_params[erab].e_rab_id == e_rab_release_params[i].e_rab_id){
is_existed = 1;
break;
}
}
if(is_existed == 1){
//e_rab_id is existed
continue;
}
for ( i = 0; i < NB_RB_MAX; i++){
if (e_rab_release_params[erab].e_rab_id == ue_context_p->ue_context.e_rab[i].param.e_rab_id){
b_existed = 1;
break;
}
}
if(b_existed == 0) {
//no e_rab_id
ue_context_p->ue_context.e_rabs_release_failed[ue_context_p->ue_context.nb_release_of_e_rabs].e_rab_id = e_rab_release_params[erab].e_rab_id;
ue_context_p->ue_context.e_rabs_release_failed[ue_context_p->ue_context.nb_release_of_e_rabs].cause = S1AP_CAUSE_RADIO_NETWORK;
ue_context_p->ue_context.e_rabs_release_failed[ue_context_p->ue_context.nb_release_of_e_rabs].cause_value = 30;
ue_context_p->ue_context.nb_release_of_e_rabs++;
} else {
if(ue_context_p->ue_context.e_rab[i].status == E_RAB_STATUS_FAILED){
ue_context_p->ue_context.e_rab[i].xid = xid;
continue;
} else if(ue_context_p->ue_context.e_rab[i].status == E_RAB_STATUS_ESTABLISHED){
ue_context_p->ue_context.e_rab[i].status = E_RAB_STATUS_TORELEASE;
ue_context_p->ue_context.e_rab[i].xid = xid;
e_rab_release_drb++;
}else{
//e_rab_id status NG
ue_context_p->ue_context.e_rabs_release_failed[ue_context_p->ue_context.nb_release_of_e_rabs].e_rab_id = e_rab_release_params[erab].e_rab_id;
ue_context_p->ue_context.e_rabs_release_failed[ue_context_p->ue_context.nb_release_of_e_rabs].cause = S1AP_CAUSE_RADIO_NETWORK;
ue_context_p->ue_context.e_rabs_release_failed[ue_context_p->ue_context.nb_release_of_e_rabs].cause_value = 0;
ue_context_p->ue_context.nb_release_of_e_rabs++;
}
}
}
if(e_rab_release_drb > 0) {
//RRCConnectionReconfiguration To UE
rrc_eNB_generate_dedicatedRRCConnectionReconfiguration_release(&ctxt, ue_context_p, xid, S1AP_E_RAB_RELEASE_COMMAND (msg_p).nas_pdu.length, S1AP_E_RAB_RELEASE_COMMAND (msg_p).nas_pdu.buffer);
} else {
//gtp tunnel delete
msg_delete_tunnels_p = itti_alloc_new_message(TASK_RRC_ENB, GTPV1U_ENB_DELETE_TUNNEL_REQ);
memset(&GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p), 0, sizeof(GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p)));
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).rnti = ue_context_p->ue_context.rnti;
for(i = 0; i < NB_RB_MAX; i++){
if(xid == ue_context_p->ue_context.e_rab[i].xid){
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).eps_bearer_id[GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).num_erab++] = ue_context_p->ue_context.enb_gtp_ebi[i];
ue_context_p->ue_context.enb_gtp_teid[i] = 0;
memset(&ue_context_p->ue_context.enb_gtp_addrs[i], 0, sizeof(ue_context_p->ue_context.enb_gtp_addrs[i]));
ue_context_p->ue_context.enb_gtp_ebi[i] = 0;
}
}
itti_send_msg_to_task(TASK_GTPV1_U, instance, msg_delete_tunnels_p);
//S1AP_E_RAB_RELEASE_RESPONSE
rrc_eNB_send_S1AP_E_RAB_RELEASE_RESPONSE(&ctxt, ue_context_p, xid);
}
} else {
LOG_E(RRC,"S1AP-E-RAB Release Command: MME_UE_S1AP_ID %d ENB_UE_S1AP_ID %d Error ue_context_p NULL \n",
S1AP_E_RAB_RELEASE_COMMAND (msg_p).mme_ue_s1ap_id, S1AP_E_RAB_RELEASE_COMMAND (msg_p).eNB_ue_s1ap_id);
return -1;
}
return 0;
}
int rrc_eNB_send_S1AP_E_RAB_RELEASE_RESPONSE(const protocol_ctxt_t* const ctxt_pP, rrc_eNB_ue_context_t* const ue_context_pP, uint8_t xid){
int e_rabs_released = 0;
MessageDef *msg_p;
msg_p = itti_alloc_new_message (TASK_RRC_ENB, S1AP_E_RAB_RELEASE_RESPONSE);
S1AP_E_RAB_RELEASE_RESPONSE (msg_p).eNB_ue_s1ap_id = ue_context_pP->ue_context.eNB_ue_s1ap_id;
for (int i = 0; i < NB_RB_MAX; i++){
if (xid == ue_context_pP->ue_context.e_rab[i].xid){
S1AP_E_RAB_RELEASE_RESPONSE (msg_p).e_rab_release[e_rabs_released].e_rab_id = ue_context_pP->ue_context.e_rab[i].param.e_rab_id;
e_rabs_released++;
//clear
memset(&ue_context_pP->ue_context.e_rab[i],0,sizeof(e_rab_param_t));
}
}
S1AP_E_RAB_RELEASE_RESPONSE (msg_p).nb_of_e_rabs_released = e_rabs_released;
S1AP_E_RAB_RELEASE_RESPONSE (msg_p).nb_of_e_rabs_failed = ue_context_pP->ue_context.nb_release_of_e_rabs;
memcpy(&(S1AP_E_RAB_RELEASE_RESPONSE (msg_p).e_rabs_failed[0]),&ue_context_pP->ue_context.e_rabs_release_failed[0],sizeof(e_rab_failed_t)*ue_context_pP->ue_context.nb_release_of_e_rabs);
ue_context_pP->ue_context.setup_e_rabs -= e_rabs_released;
LOG_I(RRC,"S1AP-E-RAB RELEASE RESPONSE: ENB_UE_S1AP_ID %d release_e_rabs %d setup_e_rabs %d \n",
S1AP_E_RAB_RELEASE_RESPONSE (msg_p).eNB_ue_s1ap_id,
e_rabs_released, ue_context_pP->ue_context.setup_e_rabs);
itti_send_msg_to_task (TASK_S1AP, ctxt_pP->instance, msg_p);
//clear xid
for(int i = 0; i < NB_RB_MAX; i++) {
ue_context_pP->ue_context.e_rab[i].xid = -1;
}
//clear release e_rabs
ue_context_pP->ue_context.nb_release_of_e_rabs = 0;
memset(&ue_context_pP->ue_context.e_rabs_release_failed[0],0,sizeof(e_rab_failed_t)*S1AP_MAX_E_RAB);
return 0;
}
/*------------------------------------------------------------------------------*/
int rrc_eNB_process_PAGING_IND(MessageDef *msg_p, const char *msg_name, instance_t instance)
{
const unsigned int Ttab[4] = {32,64,128,256};
uint8_t Tc,Tue; /* DRX cycle of UE */
uint32_t pcch_nB; /* 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 */
uint32_t N; /* N: min(T,nB). total count of PF in one DRX cycle */
uint32_t Ns = 0; /* Ns: max(1,nB/T) */
uint8_t i_s; /* i_s = floor(UE_ID/N) mod Ns */
uint32_t T; /* DRX cycle */
for (uint16_t tai_size = 0; tai_size < S1AP_PAGING_IND(msg_p).tai_size; tai_size++) {
LOG_D(RRC,"[eNB %d] In S1AP_PAGING_IND: MCC %d, MNC %d, TAC %d\n", instance, S1AP_PAGING_IND(msg_p).plmn_identity[tai_size].mcc,
S1AP_PAGING_IND(msg_p).plmn_identity[tai_size].mnc, S1AP_PAGING_IND(msg_p).tac[tai_size]);
if (RC.rrc[instance]->configuration.mcc == S1AP_PAGING_IND(msg_p).plmn_identity[tai_size].mcc
&& RC.rrc[instance]->configuration.mnc == S1AP_PAGING_IND(msg_p).plmn_identity[tai_size].mnc
&& RC.rrc[instance]->configuration.tac == S1AP_PAGING_IND(msg_p).tac[tai_size]) {
for (uint8_t CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
lte_frame_type_t frame_type = RC.eNB[instance][CC_id]->frame_parms.frame_type;
/* get nB from configuration */
/* get default DRX cycle from configuration */
Tc = (uint8_t)RC.rrc[instance]->configuration.pcch_defaultPagingCycle[CC_id];
if (Tc < PCCH_Config__defaultPagingCycle_rf32 || Tc > PCCH_Config__defaultPagingCycle_rf256) {
continue;
}
Tue = (uint8_t)S1AP_PAGING_IND(msg_p).paging_drx;
/* set T = min(Tc,Tue) */
T = Tc < Tue ? Ttab[Tc] : Ttab[Tue];
/* set pcch_nB = PCCH-Config->nB */
pcch_nB = (uint32_t)RC.rrc[instance]->configuration.pcch_nB[CC_id];
switch (pcch_nB) {
case PCCH_Config__nB_fourT:
Ns = 4;
break;
case PCCH_Config__nB_twoT:
Ns = 2;
break;
default:
Ns = 1;
break;
}
/* set N = min(T,nB) */
if (pcch_nB > PCCH_Config__nB_oneT) {
switch (pcch_nB) {
case PCCH_Config__nB_halfT:
N = T/2;
break;
case PCCH_Config__nB_quarterT:
N = T/4;
break;
case PCCH_Config__nB_oneEighthT:
N = T/8;
break;
case PCCH_Config__nB_oneSixteenthT:
N = T/16;
break;
case PCCH_Config__nB_oneThirtySecondT:
N = T/32;
break;
default:
/* pcch_nB error */
LOG_E(RRC, "[eNB %d] In S1AP_PAGING_IND: pcch_nB error (pcch_nB %d) \n",
instance, pcch_nB);
return (-1);
}
} else {
N = T;
}
/* insert data to UE_PF_PO or update data in UE_PF_PO */
pthread_mutex_lock(&ue_pf_po_mutex);
uint8_t i = 0;
for (i = 0; i < NUMBER_OF_UE_MAX; i++) {
if ((UE_PF_PO[CC_id][i].enable_flag == TRUE && UE_PF_PO[CC_id][i].ue_index_value == (uint16_t)(S1AP_PAGING_IND(msg_p).ue_index_value))
|| (UE_PF_PO[CC_id][i].enable_flag != TRUE)) {
/* set T = min(Tc,Tue) */
UE_PF_PO[CC_id][i].T = T;
/* set UE_ID */
UE_PF_PO[CC_id][i].ue_index_value = (uint16_t)S1AP_PAGING_IND(msg_p).ue_index_value;
/* calculate PF and PO */
/* set PF_min : SFN mod T = (T div N)*(UE_ID mod N) */
UE_PF_PO[CC_id][i].PF_min = (T / N) * (UE_PF_PO[CC_id][i].ue_index_value % N);
/* set PO */
/* i_s = floor(UE_ID/N) mod Ns */
i_s = (uint8_t)((UE_PF_PO[CC_id][i].ue_index_value / N) % Ns);
if (Ns == 1) {
UE_PF_PO[CC_id][i].PO = (frame_type==FDD) ? 9 : 0;
} else if (Ns==2) {
UE_PF_PO[CC_id][i].PO = (frame_type==FDD) ? (4+(5*i_s)) : (5*i_s);
} else if (Ns==4) {
UE_PF_PO[CC_id][i].PO = (frame_type==FDD) ? (4*(i_s&1)+(5*(i_s>>1))) : ((i_s&1)+(5*(i_s>>1)));
}
if (UE_PF_PO[CC_id][i].enable_flag == TRUE) {
//paging exist UE log
LOG_D(RRC,"[eNB %d] CC_id %d In S1AP_PAGING_IND: Update exist UE %d, T %d, PF %d, PO %d\n", instance, CC_id, UE_PF_PO[CC_id][i].ue_index_value, T, UE_PF_PO[CC_id][i].PF_min, UE_PF_PO[CC_id][i].PO);
} else {
/* set enable_flag */
UE_PF_PO[CC_id][i].enable_flag = TRUE;
//paging new UE log
LOG_D(RRC,"[eNB %d] CC_id %d In S1AP_PAGING_IND: Insert a new UE %d, T %d, PF %d, PO %d\n", instance, CC_id, UE_PF_PO[CC_id][i].ue_index_value, T, UE_PF_PO[CC_id][i].PF_min, UE_PF_PO[CC_id][i].PO);
}
break;
}
}
pthread_mutex_unlock(&ue_pf_po_mutex);
uint32_t length;
uint8_t buffer[RRC_BUF_SIZE];
uint8_t *message_buffer;
/* Transfer data to PDCP */
MessageDef *message_p;
message_p = itti_alloc_new_message (TASK_RRC_ENB, RRC_PCCH_DATA_REQ);
/* Create message for PDCP (DLInformationTransfer_t) */
length = do_Paging (instance,
buffer,
S1AP_PAGING_IND(msg_p).ue_paging_identity,
S1AP_PAGING_IND(msg_p).cn_domain);
message_buffer = itti_malloc (TASK_RRC_ENB, TASK_PDCP_ENB, length);
/* Uses a new buffer to avoid issue with PDCP buffer content that could be changed by PDCP (asynchronous message handling). */
memcpy (message_buffer, buffer, length);
RRC_PCCH_DATA_REQ (message_p).sdu_size = length;
RRC_PCCH_DATA_REQ (message_p).sdu_p = message_buffer;
RRC_PCCH_DATA_REQ (message_p).mode = PDCP_TRANSMISSION_MODE_TRANSPARENT; /* not used */
RRC_PCCH_DATA_REQ (message_p).rnti = P_RNTI;
RRC_PCCH_DATA_REQ (message_p).ue_index = i;
RRC_PCCH_DATA_REQ (message_p).CC_id = CC_id;
LOG_D(RRC, "[eNB %d] CC_id %d In S1AP_PAGING_IND: send encdoed buffer to PDCP buffer_size %d\n", instance, CC_id, length);
itti_send_msg_to_task (TASK_PDCP_ENB, instance, message_p);
}
}
}
return (0);
}
# endif /* defined(ENABLE_ITTI) */
#endif /* defined(ENABLE_USE_MME) */
openair2/RRC/LITE/rrc_eNB_S1AP.h
+56
View File
@@ -79,6 +79,11 @@ rrc_eNB_generate_dedicatedRRCConnectionReconfiguration(const protocol_ctxt_t* co
const uint8_t ho_state
);
int
rrc_eNB_modify_dedicatedRRCConnectionReconfiguration(const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_t* const ue_context_pP,
const uint8_t ho_state
);
/*! \fn void rrc_eNB_send_S1AP_INITIAL_CONTEXT_SETUP_RESP(uint8_t mod_id, uint8_t ue_index)
*\brief create a S1AP_INITIAL_CONTEXT_SETUP_RESP for S1AP.
@@ -186,6 +191,24 @@ int rrc_eNB_process_S1AP_E_RAB_SETUP_REQ(MessageDef *msg_p, const char *msg_name
*/
int rrc_eNB_send_S1AP_E_RAB_SETUP_RESP(const protocol_ctxt_t* const ctxt_pP, rrc_eNB_ue_context_t* const ue_context_pP, uint8_t xid );
/*! \fn rrc_eNB_process_S1AP_E_RAB_MODIFY_REQ(MessageDef *msg_p, const char *msg_name, instance_t instance);
*\brief process a S1AP dedicated E_RAB modify request message received from S1AP.
*\param msg_p Message received by RRC.
*\param msg_name Message name.
*\param instance Message instance.
*\return 0 when successful, -1 if the UE index can not be retrieved.
*/
int rrc_eNB_process_S1AP_E_RAB_MODIFY_REQ(MessageDef *msg_p, const char *msg_name, instance_t instance);
/*! \fn rrc_eNB_send_S1AP_E_RAB_MODIFY_RESP(const protocol_ctxt_t* const ctxt_pP, rrc_eNB_ue_context_t* const ue_context_pP, uint8_t xid )
*\brief send a S1AP dedicated E_RAB modify response
*\param ctxt_pP contxt infirmation
*\param e_contxt_pP ue specific context at the eNB
*\param xid transaction identifier
*\return 0 when successful, -1 if the UE index can not be retrieved.
*/
int rrc_eNB_send_S1AP_E_RAB_MODIFY_RESP(const protocol_ctxt_t* const ctxt_pP, rrc_eNB_ue_context_t* const ue_context_pP, uint8_t xid );
/*! \fn rrc_eNB_process_S1AP_UE_CTXT_MODIFICATION_REQ(MessageDef *msg_p, const char *msg_name, instance_t instance)
*\brief process a S1AP_UE_CTXT_MODIFICATION_REQ message received from S1AP.
*\param msg_p Message received by RRC.
@@ -213,6 +236,39 @@ int rrc_eNB_process_S1AP_UE_CONTEXT_RELEASE_REQ (MessageDef *msg_p, const char *
*/
int rrc_eNB_process_S1AP_UE_CONTEXT_RELEASE_COMMAND (MessageDef *msg_p, const char *msg_name, instance_t instance);
/*! \fn rrc_eNB_process_PAGING_IND(MessageDef *msg_p, const char *msg_name, instance_t instance)
*\brief process a S1AP_PAGING_IND message received from S1AP.
*\param msg_p Message received by RRC.
*\param msg_name Message name.
*\param instance Message instance.
*\return 0 when successful, -1 if the UE index can not be retrieved.
*/
int rrc_eNB_process_PAGING_IND(MessageDef *msg_p, const char *msg_name, instance_t instance);
void
rrc_pdcp_config_security(
const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_t* const ue_context_pP,
const uint8_t send_security_mode_command
);
/*! \fn rrc_eNB_process_S1AP_E_RAB_RELEASE_COMMAND(MessageDef *msg_p, const char *msg_name, instance_t instance);
*\brief process a S1AP dedicated E_RAB release command message received from S1AP.
*\param msg_p Message received by RRC.
*\param msg_name Message name.
*\param instance Message instance.
*\return 0 when successful, -1 if the UE index can not be retrieved.
*/
int rrc_eNB_process_S1AP_E_RAB_RELEASE_COMMAND(MessageDef *msg_p, const char *msg_name, instance_t instance);
/*! \fn rrc_eNB_send_S1AP_E_RAB_RELEASE_RESPONSE(const protocol_ctxt_t* const ctxt_pP, rrc_eNB_ue_context_t* const ue_context_pP, uint8_t xid )
*\brief send a S1AP dedicated E_RAB release response
*\param ctxt_pP contxt infirmation
*\param e_contxt_pP ue specific context at the eNB
*\param xid transaction identifier
*\return 0 when successful, -1 if the UE index can not be retrieved.
*/
int rrc_eNB_send_S1AP_E_RAB_RELEASE_RESPONSE(const protocol_ctxt_t* const ctxt_pP, rrc_eNB_ue_context_t* const ue_context_pP, uint8_t xid );
# endif
# endif /* defined(ENABLE_USE_MME) */
#endif /* RRC_ENB_S1AP_H_ */
openair2/RRC/LITE/rrc_eNB_UE_context.c
+5
View File
@@ -136,6 +136,10 @@ rrc_eNB_allocate_new_UE_context(
memset(new_p, 0, sizeof(struct rrc_eNB_ue_context_s));
new_p->local_uid = uid_linear_allocator_new(rrc_instance_pP);
for(int i = 0; i < NB_RB_MAX; i++) {
new_p->ue_context.e_rab[i].xid = -1;
new_p->ue_context.modify_e_rab[i].xid = -1;
}
return new_p;
}
@@ -184,6 +188,7 @@ void rrc_eNB_remove_ue_context(
rrc_eNB_free_mem_UE_context(ctxt_pP, ue_context_pP);
uid_linear_allocator_free(rrc_instance_pP, ue_context_pP->local_uid);
free(ue_context_pP);
rrc_instance_pP->Nb_ue --;
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Removed UE context\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
openair2/RRC/LITE/vars.h
+8
View File
@@ -36,6 +36,8 @@
#include "COMMON/mac_rrc_primitives.h"
#include "LAYER2/MAC/defs.h"
UE_PF_PO_t UE_PF_PO[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
pthread_mutex_t ue_pf_po_mutex;
UE_RRC_INST *UE_rrc_inst;
#include "LAYER2/MAC/extern.h"
#define MAX_U32 0xFFFFFFFF
@@ -236,4 +238,10 @@ float RSRQ_meas_mapping[35] = {
-2
};
// only used for RRC connection re-establishment procedure TS36.331 5.3.7
// [0]: current C-RNTI, [1]: prior C-RNTI
// insert one when eNB received RRCConnectionReestablishmentRequest message
// delete one when eNB received RRCConnectionReestablishmentComplete message
uint16_t reestablish_rnti_map[NUMBER_OF_UE_MAX][2] = {{0}};
#endif
openair3/GTPV1-U/gtpv1u_eNB.c
+41
View File
@@ -766,6 +766,7 @@ gtpv1u_create_s1u_tunnel(
gtpv1u_ue_data_p->bearers[eps_bearer_id - GTPV1U_BEARER_OFFSET].teid_eNB = s1u_teid;
gtpv1u_ue_data_p->bearers[eps_bearer_id - GTPV1U_BEARER_OFFSET].teid_eNB_stack_session = stack_req.apiInfo.createTunnelEndPointInfo.hStackSession;
gtpv1u_ue_data_p->bearers[eps_bearer_id - GTPV1U_BEARER_OFFSET].teid_sgw = create_tunnel_req_pP->sgw_S1u_teid[i];
gtpv1u_ue_data_p->num_bearers++;
create_tunnel_resp_pP->enb_S1u_teid[i] = s1u_teid;
} else {
@@ -807,7 +808,47 @@ gtpv1u_create_s1u_tunnel(
return 0;
}
int gtpv1u_update_s1u_tunnel(
const instance_t instanceP,
const gtpv1u_enb_create_tunnel_req_t * const create_tunnel_req_pP,
const rnti_t prior_rnti
)
{
/* Local tunnel end-point identifier */
teid_t s1u_teid = 0;
gtpv1u_teid_data_t *gtpv1u_teid_data_p = NULL;
gtpv1u_ue_data_t *gtpv1u_ue_data_p = NULL;
//MessageDef *message_p = NULL;
hashtable_rc_t hash_rc = HASH_TABLE_KEY_NOT_EXISTS;
int i;
ebi_t eps_bearer_id = 0;
//-----------------------
// PDCP->GTPV1U mapping
//-----------------------
hash_rc = hashtable_get(RC.gtpv1u_data_g->ue_mapping, prior_rnti, (void **)&gtpv1u_ue_data_p);
AssertFatal(hash_rc == HASH_TABLE_OK, "Error get ue_mapping(rnti=%x) from GTPV1U hashtable error\n", prior_rnti);
gtpv1u_ue_data_p->ue_id = create_tunnel_req_pP->rnti;
hash_rc = hashtable_insert(RC.gtpv1u_data_g->ue_mapping, create_tunnel_req_pP->rnti, gtpv1u_ue_data_p);
AssertFatal(hash_rc == HASH_TABLE_OK, "Error inserting ue_mapping in GTPV1U hashtable");
LOG_I(GTPU, "inserting ue_mapping(rnti=%x) in GTPV1U hashtable\n",
create_tunnel_req_pP->rnti);
//-----------------------
// GTPV1U->PDCP mapping
//-----------------------
for (i = 0; i < create_tunnel_req_pP->num_tunnels; i++) {
eps_bearer_id = create_tunnel_req_pP->eps_bearer_id[i];
s1u_teid = gtpv1u_ue_data_p->bearers[eps_bearer_id - GTPV1U_BEARER_OFFSET].teid_eNB;
hash_rc = hashtable_get(RC.gtpv1u_data_g->teid_mapping, s1u_teid, (void**)&gtpv1u_teid_data_p);
AssertFatal(hash_rc == HASH_TABLE_OK, "Error get teid mapping(s1u_teid=%u) from GTPV1U hashtable", s1u_teid);
gtpv1u_teid_data_p->ue_id = create_tunnel_req_pP->rnti;
gtpv1u_teid_data_p->eps_bearer_id = eps_bearer_id;
}
return 0;
}
//-----------------------------------------------------------------------------
static int gtpv1u_delete_s1u_tunnel(
openair3/GTPV1-U/gtpv1u_eNB_task.h
+5 -1
View File
@@ -49,5 +49,9 @@ gtpv1u_create_s1u_tunnel(
const gtpv1u_enb_create_tunnel_req_t * const create_tunnel_req_pP,
gtpv1u_enb_create_tunnel_resp_t * const create_tunnel_resp_pP);
int
gtpv1u_update_s1u_tunnel(
const instance_t instanceP,
const gtpv1u_enb_create_tunnel_req_t * const create_tunnel_req_pP,
const rnti_t prior_rnti);
#endif /* GTPV1U_ENB_TASK_H_ */
openair3/S1AP/s1ap_eNB.c
+12
View File
@@ -364,6 +364,12 @@ void *s1ap_eNB_task(void *arg)
&S1AP_E_RAB_SETUP_RESP(received_msg));
}
break;
case S1AP_E_RAB_MODIFY_RESP: {
s1ap_eNB_e_rab_modify_resp(ITTI_MESSAGE_GET_INSTANCE(received_msg),
&S1AP_E_RAB_MODIFY_RESP(received_msg));
}
break;
case S1AP_NAS_NON_DELIVERY_IND: {
s1ap_eNB_nas_non_delivery_ind(ITTI_MESSAGE_GET_INSTANCE(received_msg),
@@ -397,6 +403,12 @@ void *s1ap_eNB_task(void *arg)
}
break;
case S1AP_E_RAB_RELEASE_RESPONSE: {
s1ap_eNB_e_rab_release_resp(ITTI_MESSAGE_GET_INSTANCE(received_msg),
&S1AP_E_RAB_RELEASE_RESPONSE(received_msg));
}
break;
default:
S1AP_ERROR("Received unhandled message: %d:%s\n",
ITTI_MSG_ID(received_msg), ITTI_MSG_NAME(received_msg));
openair3/S1AP/s1ap_eNB_decoder.c
+38 -6
View File
@@ -108,7 +108,15 @@ static int s1ap_eNB_decode_initiating_message(s1ap_message *message,
ret = s1ap_decode_s1ap_pagingies(
&message->msg.s1ap_PagingIEs, &initiating_p->value);
s1ap_xer_print_s1ap_paging(s1ap_xer__print2sp, message_string, message);
S1AP_ERROR("TODO Paging initiating message\n");
message_id = S1AP_PAGING_LOG;
message_string_size = strlen(message_string);
message_p = itti_alloc_new_message_sized(TASK_S1AP,
message_id,
message_string_size + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_paging_log.size = message_string_size;
memcpy(&message_p->ittiMsg.s1ap_paging_log.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
S1AP_INFO("Paging initiating message\n");
free(message_string);
break;
@@ -128,12 +136,36 @@ static int s1ap_eNB_decode_initiating_message(s1ap_message *message,
free(message_string);
S1AP_INFO("E_RABSetup initiating message\n");
break;
case S1ap_ProcedureCode_id_E_RABRelease:
ret = s1ap_decode_s1ap_e_rabreleasecommandies(&message->msg.s1ap_E_RABReleaseCommandIEs,
&initiating_p->value);
//s1ap_xer_print_s1ap_e_rabsetuprequest(s1ap_xer__print2sp, message_string, message);
S1AP_INFO("TODO E_RABRelease nitiating message\n");
case S1ap_ProcedureCode_id_E_RABModify:
ret = s1ap_decode_s1ap_e_rabmodifyrequesties(
&message->msg.s1ap_E_RABModifyRequestIEs, &initiating_p->value);
message_id = S1AP_E_RAB_MODIFY_REQUEST_LOG;
message_string_size = strlen(message_string);
message_p = itti_alloc_new_message_sized(TASK_S1AP,
message_id,
message_string_size + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_e_rab_modify_request_log.size = message_string_size;
memcpy(&message_p->ittiMsg.s1ap_e_rab_modify_request_log.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(message_string);
S1AP_INFO("E_RABModify initiating message\n");
break;
case S1ap_ProcedureCode_id_E_RABRelease:
ret = s1ap_decode_s1ap_e_rabreleasecommandies(
&message->msg.s1ap_E_RABReleaseCommandIEs, &initiating_p->value);
s1ap_xer_print_s1ap_e_rabreleasecommand(s1ap_xer__print2sp, message_string, message);
message_id = S1AP_E_RAB_RELEASE_REQUEST_LOG;
message_string_size = strlen(message_string);
message_p = itti_alloc_new_message_sized(TASK_S1AP,
message_id,
message_string_size + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_e_rab_release_request_log.size = message_string_size;
memcpy(&message_p->ittiMsg.s1ap_e_rab_release_request_log.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(message_string);
S1AP_INFO("TODO E_RABRelease nitiating message\n");
break;
default:
openair3/S1AP/s1ap_eNB_encoder.c
+81
View File
@@ -100,6 +100,16 @@ int s1ap_eNB_encode_e_rab_setup_response(S1ap_E_RABSetupResponseIEs_t *E_RABSet
uint8_t **buffer,
uint32_t *length);
static inline
int s1ap_eNB_encode_e_rab_modify_response(S1ap_E_RABModifyResponseIEs_t *E_RABModifyResponseIEs,
uint8_t **buffer,
uint32_t *length);
static inline
int s1ap_eNB_encode_e_rab_release_response(S1ap_E_RABReleaseResponseIEs_t *s1ap_E_RABReleaseResponseIEs,
uint8_t **buffer,
uint32_t *length);
int s1ap_eNB_encode_pdu(s1ap_message *message, uint8_t **buffer, uint32_t *len)
{
DevAssert(message != NULL);
@@ -264,6 +274,32 @@ int s1ap_eNB_encode_successfull_outcome(s1ap_message *s1ap_message_p,
free(message_string);
S1AP_INFO("E_RABSetup successful message\n");
break;
case S1ap_ProcedureCode_id_E_RABModify:
ret = s1ap_eNB_encode_e_rab_modify_response (
&s1ap_message_p->msg.s1ap_E_RABModifyResponseIEs, buffer, len);
message_id = S1AP_E_RAB_MODIFY_RESPONSE_LOG ;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, message_string_size + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_e_rab_modify_response_log.size = message_string_size;
memcpy(&message_p->ittiMsg.s1ap_e_rab_modify_response_log.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(message_string);
S1AP_INFO("E_RABModify successful message\n");
break;
case S1ap_ProcedureCode_id_E_RABRelease:
ret = s1ap_eNB_encode_e_rab_release_response (
&s1ap_message_p->msg.s1ap_E_RABReleaseResponseIEs, buffer, len);
s1ap_xer_print_s1ap_e_rabreleaseresponse(s1ap_xer__print2sp, message_string, s1ap_message_p);
message_id = S1AP_E_RAB_RELEASE_RESPONSE_LOG ;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, message_string_size + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_e_rab_release_response_log.size = message_string_size;
memcpy(&message_p->ittiMsg.s1ap_e_rab_release_response_log.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(message_string);
S1AP_INFO("E_RAB Release successful message\n");
break;
default:
S1AP_WARN("Unknown procedure ID (%d) for successfull outcome message\n",
(int)s1ap_message_p->procedureCode);
@@ -563,3 +599,48 @@ int s1ap_eNB_encode_e_rab_setup_response(S1ap_E_RABSetupResponseIEs_t *s1ap_E_R
&asn_DEF_S1ap_E_RABSetupResponse,
e_rab_setup_response_p);
}
static inline
int s1ap_eNB_encode_e_rab_modify_response(S1ap_E_RABModifyResponseIEs_t *s1ap_E_RABModifyResponseIEs,
uint8_t **buffer,
uint32_t *length)
{
S1ap_E_RABModifyResponse_t e_rab_modify_response;
S1ap_E_RABModifyResponse_t *e_rab_modify_response_p = &e_rab_modify_response;
memset((void *)e_rab_modify_response_p, 0,
sizeof(e_rab_modify_response));
if (s1ap_encode_s1ap_e_rabmodifyresponseies (e_rab_modify_response_p, s1ap_E_RABModifyResponseIEs) < 0) {
return -1;
}
return s1ap_generate_successfull_outcome(buffer,
length,
S1ap_ProcedureCode_id_E_RABModify,
S1ap_Criticality_reject,
&asn_DEF_S1ap_E_RABModifyResponse,
e_rab_modify_response_p);
}
static inline
int s1ap_eNB_encode_e_rab_release_response(S1ap_E_RABReleaseResponseIEs_t *s1ap_E_RABReleaseResponseIEs,
uint8_t **buffer,
uint32_t *length)
{
S1ap_E_RABReleaseResponse_t e_rab_release_response;
S1ap_E_RABReleaseResponse_t *e_rab_release_response_p = &e_rab_release_response;
memset((void *)e_rab_release_response_p, 0,
sizeof(e_rab_release_response));
if (s1ap_encode_s1ap_e_rabreleaseresponseies (e_rab_release_response_p, s1ap_E_RABReleaseResponseIEs) < 0) {
return -1;
}
return s1ap_generate_successfull_outcome(buffer,
length,
S1ap_ProcedureCode_id_E_RABRelease,
S1ap_Criticality_reject,
&asn_DEF_S1ap_E_RABReleaseResponse,
e_rab_release_response_p);
}
openair3/S1AP/s1ap_eNB_handlers.c
+396 -4
View File
@@ -81,6 +81,20 @@ int s1ap_eNB_handle_e_rab_setup_request(uint32_t assoc_id,
uint32_t stream,
struct s1ap_message_s *s1ap_message_p);
static
int s1ap_eNB_handle_paging(uint32_t assoc_id,
uint32_t stream,
struct s1ap_message_s *message_p);
static
int s1ap_eNB_handle_e_rab_modify_request(uint32_t assoc_id,
uint32_t stream,
struct s1ap_message_s *s1ap_message_p);
static
int s1ap_eNB_handle_e_rab_release_command(uint32_t assoc_id,
uint32_t stream,
struct s1ap_message_s *s1ap_message_p);
/* Handlers matrix. Only eNB related procedure present here */
s1ap_message_decoded_callback messages_callback[][3] = {
@@ -90,11 +104,11 @@ s1ap_message_decoded_callback messages_callback[][3] = {
{ 0, 0, 0 }, /* PathSwitchRequest */
{ 0, 0, 0 }, /* HandoverCancel */
{ s1ap_eNB_handle_e_rab_setup_request, 0, 0 }, /* E_RABSetup */
{ 0, 0, 0 }, /* E_RABModify */
{ 0, 0, 0 }, /* E_RABRelease */
{ s1ap_eNB_handle_e_rab_modify_request, 0, 0 }, /* E_RABModify */
{ s1ap_eNB_handle_e_rab_release_command, 0, 0 }, /* E_RABRelease */
{ 0, 0, 0 }, /* E_RABReleaseIndication */
{ s1ap_eNB_handle_initial_context_request, 0, 0 }, /* InitialContextSetup */
{ 0, 0, 0 }, /* Paging */
{ s1ap_eNB_handle_paging, 0, 0 }, /* Paging */
{ s1ap_eNB_handle_nas_downlink, 0, 0 }, /* downlinkNASTransport */
{ 0, 0, 0 }, /* initialUEMessage */
{ 0, 0, 0 }, /* uplinkNASTransport */
@@ -950,7 +964,7 @@ int s1ap_eNB_handle_e_rab_setup_request(uint32_t assoc_id,
S1AP_E_RAB_SETUP_REQ(message_p).e_rab_setup_params[i].nas_pdu.buffer = NULL;
S1AP_WARN("NAS PDU is not provided, generate a E_RAB_SETUP Failure (TBD) back to MME \n");
return -1;
// return -1;
}
/* Set the transport layer address */
@@ -983,4 +997,382 @@ int s1ap_eNB_handle_e_rab_setup_request(uint32_t assoc_id,
return 0;
}
static
int s1ap_eNB_handle_paging(uint32_t assoc_id,
uint32_t stream,
struct s1ap_message_s *s1ap_message_p)
{
S1ap_PagingIEs_t *paging_p;
s1ap_eNB_mme_data_t *mme_desc_p = NULL;
s1ap_eNB_instance_t *s1ap_eNB_instance = NULL;
MessageDef *message_p = NULL;
DevAssert(s1ap_message_p != NULL);
// received Paging Message from MME
S1AP_DEBUG("[SCTP %d] Received Paging Message From MME\n",assoc_id);
paging_p = &s1ap_message_p->msg.s1ap_PagingIEs;
/* Paging procedure -> stream != 0 */
if (stream == 0) {
S1AP_ERROR("[SCTP %d] Received Paging procedure on stream (%d)\n",
assoc_id, stream);
return -1;
}
if ((mme_desc_p = s1ap_eNB_get_MME(NULL, assoc_id, 0)) == NULL) {
S1AP_ERROR("[SCTP %d] Received Paging for non "
"existing MME context\n", assoc_id);
return -1;
}
s1ap_eNB_instance = mme_desc_p->s1ap_eNB_instance;
if (s1ap_eNB_instance == NULL) {
S1AP_ERROR("[SCTP %d] Received Paging for non existing MME context : s1ap_eNB_instance is NULL\n",
assoc_id);
return -1;
}
message_p = itti_alloc_new_message(TASK_S1AP, S1AP_PAGING_IND);
/* convert S1ap_PagingIEs_t to s1ap_paging_ind_t */
/* convert UE Identity Index value */
S1AP_PAGING_IND(message_p).ue_index_value = BIT_STRING_to_uint32(&paging_p->ueIdentityIndexValue);
S1AP_DEBUG("[SCTP %d] Received Paging ue_index_value (%d)\n",
assoc_id,(uint32_t)S1AP_PAGING_IND(message_p).ue_index_value);
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.s_tmsi.mme_code = 0;
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.s_tmsi.m_tmsi = 0;
/* convert UE Paging Identity */
if (paging_p->uePagingID.present == S1ap_UEPagingID_PR_s_TMSI) {
S1AP_PAGING_IND(message_p).ue_paging_identity.presenceMask = UE_PAGING_IDENTITY_s_tmsi;
OCTET_STRING_TO_INT8(&paging_p->uePagingID.choice.s_TMSI.mMEC, S1AP_PAGING_IND(message_p).ue_paging_identity.choice.s_tmsi.mme_code);
OCTET_STRING_TO_INT32(&paging_p->uePagingID.choice.s_TMSI.m_TMSI, S1AP_PAGING_IND(message_p).ue_paging_identity.choice.s_tmsi.m_tmsi);
} else if (paging_p->uePagingID.present == S1ap_UEPagingID_PR_iMSI) {
S1AP_PAGING_IND(message_p).ue_paging_identity.presenceMask = UE_PAGING_IDENTITY_imsi;
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.length = 0;
for (int i = 0; i < paging_p->uePagingID.choice.iMSI.size; i++) {
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[2*i] = (uint8_t)(paging_p->uePagingID.choice.iMSI.buf[i] & 0x0F );
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.length++;
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[2*i+1] = (uint8_t)((paging_p->uePagingID.choice.iMSI.buf[i]>>4) & 0x0F);
LOG_D(S1AP,"paging : i %d %d imsi %d %d \n",2*i,2*i+1,S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[2*i], S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[2*i+1]);
if (S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[2*i+1] == 0x0F) {
if(i != paging_p->uePagingID.choice.iMSI.size - 1){
/* invalid paging_p->uePagingID.choise.iMSI.buffer */
S1AP_ERROR("[SCTP %d] Received Paging : uePagingID.choise.iMSI error(i %d 0x0F)\n", assoc_id,i);
return -1;
}
} else {
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.length++;
}
}
if (S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.length >= S1AP_IMSI_LENGTH) {
/* invalid paging_p->uePagingID.choise.iMSI.size */
S1AP_ERROR("[SCTP %d] Received Paging : uePagingID.choise.iMSI.size(%d) is over IMSI length(%d)\n", assoc_id, S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.length, S1AP_IMSI_LENGTH);
return -1;
}
} else {
/* invalid paging_p->uePagingID.present */
S1AP_ERROR("[SCTP %d] Received Paging : uePagingID.present(%d) is unknown\n", assoc_id, paging_p->uePagingID.present);
return -1;
}
#if 0
/* convert Paging DRX(optional) */
if (paging_p->presenceMask & S1AP_PAGINGIES_PAGINGDRX_PRESENT) {
switch(paging_p->pagingDRX) {
case S1ap_PagingDRX_v32:
S1AP_PAGING_IND(message_p).paging_drx = PAGING_DRX_32;
break;
case S1ap_PagingDRX_v64:
S1AP_PAGING_IND(message_p).paging_drx = PAGING_DRX_64;
break;
case S1ap_PagingDRX_v128:
S1AP_PAGING_IND(message_p).paging_drx = PAGING_DRX_128;
break;
case S1ap_PagingDRX_v256:
S1AP_PAGING_IND(message_p).paging_drx = PAGING_DRX_256;
break;
default:
// when UE Paging DRX is no value
S1AP_PAGING_IND(message_p).paging_drx = PAGING_DRX_256;
break;
}
}
#endif
S1AP_PAGING_IND(message_p).paging_drx = PAGING_DRX_256;
/* convert cnDomain */
if (paging_p->cnDomain == S1ap_CNDomain_ps) {
S1AP_PAGING_IND(message_p).cn_domain = CN_DOMAIN_PS;
} else if (paging_p->cnDomain == S1ap_CNDomain_cs) {
S1AP_PAGING_IND(message_p).cn_domain = CN_DOMAIN_CS;
} else {
/* invalid paging_p->cnDomain */
S1AP_ERROR("[SCTP %d] Received Paging : cnDomain(%ld) is unknown\n", assoc_id, paging_p->cnDomain);
return -1;
}
memset (&S1AP_PAGING_IND(message_p).plmn_identity[0], 0, sizeof(plmn_identity_t)*256);
memset (&S1AP_PAGING_IND(message_p).tac[0], 0, sizeof(int16_t)*256);
S1AP_PAGING_IND(message_p).tai_size = 0;
for (int i = 0; i < paging_p->taiList.s1ap_TAIItem.count; i++) {
S1AP_INFO("[SCTP %d] Received Paging taiList: i %d, count %d\n", assoc_id, i, paging_p->taiList.s1ap_TAIItem.count);
S1ap_TAIItem_t s1ap_TAIItem;
memset (&s1ap_TAIItem, 0, sizeof(S1ap_TAIItem_t));
memcpy(&s1ap_TAIItem, paging_p->taiList.s1ap_TAIItem.array[i], sizeof(S1ap_TAIItem_t));
TBCD_TO_MCC_MNC(&s1ap_TAIItem.tAI.pLMNidentity, S1AP_PAGING_IND(message_p).plmn_identity[i].mcc,
S1AP_PAGING_IND(message_p).plmn_identity[i].mnc,
S1AP_PAGING_IND(message_p).plmn_identity[i].mnc_digit_length);
OCTET_STRING_TO_INT16(&s1ap_TAIItem.tAI.tAC, S1AP_PAGING_IND(message_p).tac[i]);
S1AP_PAGING_IND(message_p).tai_size++;
S1AP_DEBUG("[SCTP %d] Received Paging: MCC %d, MNC %d, TAC %d\n", assoc_id, S1AP_PAGING_IND(message_p).plmn_identity[i].mcc, S1AP_PAGING_IND(message_p).plmn_identity[i].mnc, S1AP_PAGING_IND(message_p).tac[i]);
}
#if 0
// CSG Id(optional) List is not used
if (paging_p->presenceMask & S1AP_PAGINGIES_CSG_IDLIST_PRESENT) {
// TODO
}
/* convert pagingPriority (optional) if has value */
if (paging_p->presenceMask & S1AP_PAGINGIES_PAGINGPRIORITY_PRESENT) {
switch(paging_p->pagingPriority) {
case S1ap_PagingPriority_priolevel1:
S1AP_PAGING_IND(message_p).paging_priority = PAGING_PRIO_LEVEL1;
break;
case S1ap_PagingPriority_priolevel2:
S1AP_PAGING_IND(message_p).paging_priority = PAGING_PRIO_LEVEL2;
break;
case S1ap_PagingPriority_priolevel3:
S1AP_PAGING_IND(message_p).paging_priority = PAGING_PRIO_LEVEL3;
break;
case S1ap_PagingPriority_priolevel4:
S1AP_PAGING_IND(message_p).paging_priority = PAGING_PRIO_LEVEL4;
break;
case S1ap_PagingPriority_priolevel5:
S1AP_PAGING_IND(message_p).paging_priority = PAGING_PRIO_LEVEL5;
break;
case S1ap_PagingPriority_priolevel6:
S1AP_PAGING_IND(message_p).paging_priority = PAGING_PRIO_LEVEL6;
break;
case S1ap_PagingPriority_priolevel7:
S1AP_PAGING_IND(message_p).paging_priority = PAGING_PRIO_LEVEL7;
break;
case S1ap_PagingPriority_priolevel8:
S1AP_PAGING_IND(message_p).paging_priority = PAGING_PRIO_LEVEL8;
break;
default:
/* invalid paging_p->pagingPriority */
S1AP_ERROR("[SCTP %d] Received paging : pagingPriority(%ld) is invalid\n", assoc_id, paging_p->pagingPriority);
return -1;
}
}
#endif
//paging parameter values
S1AP_DEBUG("[SCTP %d] Received Paging parameters: ue_index_value %d cn_domain %d paging_drx %d paging_priority %d\n",assoc_id,
S1AP_PAGING_IND(message_p).ue_index_value, S1AP_PAGING_IND(message_p).cn_domain,
S1AP_PAGING_IND(message_p).paging_drx, S1AP_PAGING_IND(message_p).paging_priority);
S1AP_DEBUG("[SCTP %d] Received Paging parameters(ue): presenceMask %d s_tmsi.m_tmsi %d s_tmsi.mme_code %d IMSI length %d (0-5) %d%d%d%d%d%d\n",assoc_id,
S1AP_PAGING_IND(message_p).ue_paging_identity.presenceMask, S1AP_PAGING_IND(message_p).ue_paging_identity.choice.s_tmsi.m_tmsi,
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.s_tmsi.mme_code, S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.length,
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[0], S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[1],
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[2], S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[3],
S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[4], S1AP_PAGING_IND(message_p).ue_paging_identity.choice.imsi.buffer[5]);
/* send message to RRC */
itti_send_msg_to_task(TASK_RRC_ENB, s1ap_eNB_instance->instance, message_p);
return 0;
}
static
int s1ap_eNB_handle_e_rab_modify_request(uint32_t assoc_id,
uint32_t stream,
struct s1ap_message_s *s1ap_message_p) {
int i;
s1ap_eNB_mme_data_t *mme_desc_p = NULL;
s1ap_eNB_ue_context_t *ue_desc_p = NULL;
MessageDef *message_p = NULL;
int nb_of_e_rabs_failed = 0;
S1ap_E_RABModifyRequestIEs_t *s1ap_E_RABModifyRequest;
DevAssert(s1ap_message_p != NULL);
s1ap_E_RABModifyRequest = &s1ap_message_p->msg.s1ap_E_RABModifyRequestIEs;
if ((mme_desc_p = s1ap_eNB_get_MME(NULL, assoc_id, 0)) == NULL) {
S1AP_ERROR("[SCTP %d] Received E-RAB modify request for non "
"existing MME context\n", assoc_id);
return -1;
}
if ((ue_desc_p = s1ap_eNB_get_ue_context(mme_desc_p->s1ap_eNB_instance,
s1ap_E_RABModifyRequest->eNB_UE_S1AP_ID)) == NULL) {
S1AP_ERROR("[SCTP %d] Received E-RAB modify request for non "
"existing UE context 0x%06lx\n", assoc_id,
s1ap_E_RABModifyRequest->eNB_UE_S1AP_ID);
return -1;
}
/* E-RAB modify request = UE-related procedure -> stream != 0 */
if (stream == 0) {
S1AP_ERROR("[SCTP %d] Received UE-related procedure on stream (%d)\n",
assoc_id, stream);
return -1;
}
ue_desc_p->rx_stream = stream;
if ( ue_desc_p->mme_ue_s1ap_id != s1ap_E_RABModifyRequest->mme_ue_s1ap_id){
S1AP_WARN("UE context mme_ue_s1ap_id is different form that of the message (%d != %ld)",
ue_desc_p->mme_ue_s1ap_id, s1ap_E_RABModifyRequest->mme_ue_s1ap_id);
message_p = itti_alloc_new_message (TASK_RRC_ENB, S1AP_E_RAB_MODIFY_RESP);
S1AP_E_RAB_MODIFY_RESP (message_p).eNB_ue_s1ap_id = s1ap_E_RABModifyRequest->eNB_UE_S1AP_ID;
// S1AP_E_RAB_MODIFY_RESP (msg_fail_p).e_rabs[S1AP_MAX_E_RAB];
S1AP_E_RAB_MODIFY_RESP (message_p).nb_of_e_rabs = 0;
for(nb_of_e_rabs_failed = 0; nb_of_e_rabs_failed < s1ap_E_RABModifyRequest->e_RABToBeModifiedListBearerModReq.s1ap_E_RABToBeModifiedItemBearerModReq.count; nb_of_e_rabs_failed++) {
S1AP_E_RAB_MODIFY_RESP (message_p).e_rabs_failed[nb_of_e_rabs_failed].e_rab_id =
((S1ap_E_RABToBeModifiedItemBearerModReq_t *)s1ap_E_RABModifyRequest->e_RABToBeModifiedListBearerModReq.s1ap_E_RABToBeModifiedItemBearerModReq.array[nb_of_e_rabs_failed])->e_RAB_ID;
S1AP_E_RAB_MODIFY_RESP (message_p).e_rabs_failed[nb_of_e_rabs_failed].cause = S1AP_CAUSE_RADIO_NETWORK;
S1AP_E_RAB_MODIFY_RESP (message_p).e_rabs_failed[nb_of_e_rabs_failed].cause_value = 13;//S1ap_CauseRadioNetwork_unknown_mme_ue_s1ap_id;
}
S1AP_E_RAB_MODIFY_RESP (message_p).nb_of_e_rabs_failed = nb_of_e_rabs_failed;
s1ap_eNB_e_rab_modify_resp(mme_desc_p->s1ap_eNB_instance->instance,
&S1AP_E_RAB_MODIFY_RESP(message_p));
message_p = NULL;
return -1;
}
message_p = itti_alloc_new_message(TASK_S1AP, S1AP_E_RAB_MODIFY_REQ);
S1AP_E_RAB_MODIFY_REQ(message_p).ue_initial_id = ue_desc_p->ue_initial_id;
S1AP_E_RAB_MODIFY_REQ(message_p).mme_ue_s1ap_id = s1ap_E_RABModifyRequest->mme_ue_s1ap_id;
S1AP_E_RAB_MODIFY_REQ(message_p).eNB_ue_s1ap_id = s1ap_E_RABModifyRequest->eNB_UE_S1AP_ID;
S1AP_E_RAB_MODIFY_REQ(message_p).nb_e_rabs_tomodify =
s1ap_E_RABModifyRequest->e_RABToBeModifiedListBearerModReq.s1ap_E_RABToBeModifiedItemBearerModReq.count;
for (i = 0; i < s1ap_E_RABModifyRequest->e_RABToBeModifiedListBearerModReq.s1ap_E_RABToBeModifiedItemBearerModReq.count; i++) {
S1ap_E_RABToBeModifiedItemBearerModReq_t *item_p;
item_p = (S1ap_E_RABToBeModifiedItemBearerModReq_t *)s1ap_E_RABModifyRequest->e_RABToBeModifiedListBearerModReq.s1ap_E_RABToBeModifiedItemBearerModReq.array[i];
S1AP_E_RAB_MODIFY_REQ(message_p).e_rab_modify_params[i].e_rab_id = item_p->e_RAB_ID;
// check for the NAS PDU
if (item_p->nAS_PDU.size > 0 ) {
S1AP_E_RAB_MODIFY_REQ(message_p).e_rab_modify_params[i].nas_pdu.length = item_p->nAS_PDU.size;
S1AP_E_RAB_MODIFY_REQ(message_p).e_rab_modify_params[i].nas_pdu.buffer = malloc(sizeof(uint8_t) * item_p->nAS_PDU.size);
memcpy(S1AP_E_RAB_MODIFY_REQ(message_p).e_rab_modify_params[i].nas_pdu.buffer,
item_p->nAS_PDU.buf, item_p->nAS_PDU.size);
} else {
S1AP_E_RAB_MODIFY_REQ(message_p).e_rab_modify_params[i].nas_pdu.length = 0;
S1AP_E_RAB_MODIFY_REQ(message_p).e_rab_modify_params[i].nas_pdu.buffer = NULL;
continue;
}
/* Set the QOS informations */
S1AP_E_RAB_MODIFY_REQ(message_p).e_rab_modify_params[i].qos.qci = item_p->e_RABLevelQoSParameters.qCI;
S1AP_E_RAB_MODIFY_REQ(message_p).e_rab_modify_params[i].qos.allocation_retention_priority.priority_level =
item_p->e_RABLevelQoSParameters.allocationRetentionPriority.priorityLevel;
S1AP_E_RAB_MODIFY_REQ(message_p).e_rab_modify_params[i].qos.allocation_retention_priority.pre_emp_capability =
item_p->e_RABLevelQoSParameters.allocationRetentionPriority.pre_emptionCapability;
S1AP_E_RAB_MODIFY_REQ(message_p).e_rab_modify_params[i].qos.allocation_retention_priority.pre_emp_vulnerability =
item_p->e_RABLevelQoSParameters.allocationRetentionPriority.pre_emptionVulnerability;
}
itti_send_msg_to_task(TASK_RRC_ENB, ue_desc_p->eNB_instance->instance, message_p);
return 0;
}
// handle e-rab release command and send it to rrc_end
static
int s1ap_eNB_handle_e_rab_release_command(uint32_t assoc_id,
uint32_t stream,
struct s1ap_message_s *s1ap_message_p) {
int i;
s1ap_eNB_mme_data_t *mme_desc_p = NULL;
s1ap_eNB_ue_context_t *ue_desc_p = NULL;
MessageDef *message_p = NULL;
S1ap_E_RABReleaseCommandIEs_t *s1ap_E_RABReleaseCommand;
DevAssert(s1ap_message_p != NULL);
s1ap_E_RABReleaseCommand = &s1ap_message_p->msg.s1ap_E_RABReleaseCommandIEs;
if ((mme_desc_p = s1ap_eNB_get_MME(NULL, assoc_id, 0)) == NULL) {
S1AP_ERROR("[SCTP %d] Received E-RAB release command for non existing MME context\n", assoc_id);
return -1;
}
if ((ue_desc_p = s1ap_eNB_get_ue_context(mme_desc_p->s1ap_eNB_instance,
s1ap_E_RABReleaseCommand->eNB_UE_S1AP_ID)) == NULL) {
S1AP_ERROR("[SCTP %d] Received E-RAB release command for non existing UE context 0x%06lx\n", assoc_id,
s1ap_E_RABReleaseCommand->eNB_UE_S1AP_ID);
return -1;
}
/* Initial context request = UE-related procedure -> stream != 0 */
if (stream == 0) {
S1AP_ERROR("[SCTP %d] Received UE-related procedure on stream (%d)\n",
assoc_id, stream);
return -1;
}
ue_desc_p->rx_stream = stream;
if ( ue_desc_p->mme_ue_s1ap_id != s1ap_E_RABReleaseCommand->mme_ue_s1ap_id){
S1AP_WARN("UE context mme_ue_s1ap_id is different form that of the message (%d != %ld)",
ue_desc_p->mme_ue_s1ap_id, s1ap_E_RABReleaseCommand->mme_ue_s1ap_id);
}
S1AP_DEBUG("[SCTP %d] Received E-RAB release command for eNB_UE_S1AP_ID %ld mme_ue_s1ap_id %ld\n",
assoc_id, s1ap_E_RABReleaseCommand->eNB_UE_S1AP_ID, s1ap_E_RABReleaseCommand->mme_ue_s1ap_id);
message_p = itti_alloc_new_message(TASK_S1AP, S1AP_E_RAB_RELEASE_COMMAND);
S1AP_E_RAB_RELEASE_COMMAND(message_p).eNB_ue_s1ap_id = s1ap_E_RABReleaseCommand->eNB_UE_S1AP_ID;
S1AP_E_RAB_RELEASE_COMMAND(message_p).mme_ue_s1ap_id = s1ap_E_RABReleaseCommand->mme_ue_s1ap_id;
if(s1ap_E_RABReleaseCommand->nas_pdu.size > 0 ){
S1AP_E_RAB_RELEASE_COMMAND(message_p).nas_pdu.length = s1ap_E_RABReleaseCommand->nas_pdu.size;
S1AP_E_RAB_RELEASE_COMMAND(message_p).nas_pdu.buffer =
malloc(sizeof(uint8_t) * s1ap_E_RABReleaseCommand->nas_pdu.size);
memcpy(S1AP_E_RAB_RELEASE_COMMAND(message_p).nas_pdu.buffer,
s1ap_E_RABReleaseCommand->nas_pdu.buf,
s1ap_E_RABReleaseCommand->nas_pdu.size);
} else {
S1AP_E_RAB_RELEASE_COMMAND(message_p).nas_pdu.length = 0;
S1AP_E_RAB_RELEASE_COMMAND(message_p).nas_pdu.buffer = NULL;
}
S1AP_E_RAB_RELEASE_COMMAND(message_p).nb_e_rabs_torelease = s1ap_E_RABReleaseCommand->e_RABToBeReleasedList.s1ap_E_RABItem.count;
for(i=0; i < s1ap_E_RABReleaseCommand->e_RABToBeReleasedList.s1ap_E_RABItem.count; i++){
S1ap_E_RABItem_t *item_p;
item_p = (S1ap_E_RABItem_t*)s1ap_E_RABReleaseCommand->e_RABToBeReleasedList.s1ap_E_RABItem.array[i];
S1AP_E_RAB_RELEASE_COMMAND(message_p).e_rab_release_params[i].e_rab_id = item_p->e_RAB_ID;
S1AP_DEBUG("[SCTP] Received E-RAB release command for e-rab id %ld\n", item_p->e_RAB_ID);
}
itti_send_msg_to_task(TASK_RRC_ENB, ue_desc_p->eNB_instance->instance, message_p);
return 0;
}
openair3/S1AP/s1ap_eNB_nas_procedures.c
+279
View File
@@ -837,3 +837,282 @@ int s1ap_eNB_e_rab_setup_resp(instance_t instance,
return ret;
}
//------------------------------------------------------------------------------
int s1ap_eNB_e_rab_modify_resp(instance_t instance,
s1ap_e_rab_modify_resp_t *e_rab_modify_resp_p)
//------------------------------------------------------------------------------
{
s1ap_eNB_instance_t *s1ap_eNB_instance_p = NULL;
struct s1ap_eNB_ue_context_s *ue_context_p = NULL;
S1ap_E_RABModifyResponseIEs_t *initial_ies_p = NULL;
s1ap_message message;
uint8_t *buffer = NULL;
uint32_t length;
int ret = -1;
int i;
/* Retrieve the S1AP eNB instance associated with Mod_id */
s1ap_eNB_instance_p = s1ap_eNB_get_instance(instance);
DevAssert(e_rab_modify_resp_p != NULL);
DevAssert(s1ap_eNB_instance_p != NULL);
if ((ue_context_p = s1ap_eNB_get_ue_context(s1ap_eNB_instance_p,
e_rab_modify_resp_p->eNB_ue_s1ap_id)) == NULL) {
/* The context for this eNB ue s1ap id doesn't exist in the map of eNB UEs */
S1AP_WARN("Failed to find ue context associated with eNB ue s1ap id: 0x%06x\n",
e_rab_modify_resp_p->eNB_ue_s1ap_id);
return -1;
}
/* Uplink NAS transport can occur either during an s1ap connected state
* or during initial attach (for example: NAS authentication).
*/
if (!(ue_context_p->ue_state == S1AP_UE_CONNECTED ||
ue_context_p->ue_state == S1AP_UE_WAITING_CSR)) {
S1AP_WARN("You are attempting to send NAS data over non-connected "
"eNB ue s1ap id: %06x, current state: %d\n",
e_rab_modify_resp_p->eNB_ue_s1ap_id, ue_context_p->ue_state);
return -1;
}
/* Prepare the S1AP message to encode */
memset(&message, 0, sizeof(s1ap_message));
message.direction = S1AP_PDU_PR_successfulOutcome;
message.procedureCode = S1ap_ProcedureCode_id_E_RABModify;
message.criticality = S1ap_Criticality_reject;
initial_ies_p = &message.msg.s1ap_E_RABModifyResponseIEs;
initial_ies_p->eNB_UE_S1AP_ID = e_rab_modify_resp_p->eNB_ue_s1ap_id;
initial_ies_p->mme_ue_s1ap_id = ue_context_p->mme_ue_s1ap_id;
if ( e_rab_modify_resp_p->nb_of_e_rabs >= 1 )
initial_ies_p->presenceMask |= S1AP_E_RABMODIFYRESPONSEIES_E_RABMODIFYLISTBEARERMODRES_PRESENT;
for (i = 0; i < e_rab_modify_resp_p->nb_of_e_rabs; i++) {
S1ap_E_RABModifyItemBearerModRes_t *modify_item;
modify_item = calloc(1, sizeof(S1ap_E_RABModifyItemBearerModRes_t));
modify_item->e_RAB_ID = e_rab_modify_resp_p->e_rabs[i].e_rab_id;
S1AP_DEBUG("e_rab_modify_resp: modified e_rab ID %ld\n",
modify_item->e_RAB_ID);
S1ap_IE_t *ie = s1ap_new_ie(S1ap_ProtocolIE_ID_id_E_RABModifyItemBearerModRes,
S1ap_Criticality_ignore,
&asn_DEF_S1ap_E_RABModifyItemBearerModRes,
modify_item);
ASN_SEQUENCE_ADD(&initial_ies_p->e_RABModifyListBearerModRes.s1ap_E_RABModifyItemBearerModRes,
ie);
}
if ( e_rab_modify_resp_p->nb_of_e_rabs_failed >= 1 )
initial_ies_p->presenceMask |= S1AP_E_RABMODIFYRESPONSEIES_E_RABFAILEDTOMODIFYLIST_PRESENT;
for (i = 0; i < e_rab_modify_resp_p->nb_of_e_rabs_failed; i++) {
S1ap_E_RABItem_t *failed_item;
failed_item = calloc(1, sizeof(S1ap_E_RABItem_t));
failed_item->e_RAB_ID = e_rab_modify_resp_p->e_rabs_failed[i].e_rab_id;
switch(e_rab_modify_resp_p->e_rabs_failed[i].cause)
{
case S1AP_CAUSE_RADIO_NETWORK:
failed_item->cause.present = S1ap_Cause_PR_radioNetwork;
failed_item->cause.choice.radioNetwork = e_rab_modify_resp_p->e_rabs_failed[i].cause_value;
break;
case S1AP_CAUSE_TRANSPORT:
failed_item->cause.present = S1ap_Cause_PR_transport;
failed_item->cause.choice.transport = e_rab_modify_resp_p->e_rabs_failed[i].cause_value;
break;
case S1AP_CAUSE_NAS:
failed_item->cause.present = S1ap_Cause_PR_nas;
failed_item->cause.choice.nas = e_rab_modify_resp_p->e_rabs_failed[i].cause_value;
break;
case S1AP_CAUSE_PROTOCOL:
failed_item->cause.present = S1ap_Cause_PR_protocol;
failed_item->cause.choice.protocol = e_rab_modify_resp_p->e_rabs_failed[i].cause_value;
break;
case S1AP_CAUSE_MISC:
failed_item->cause.present = S1ap_Cause_PR_misc;
failed_item->cause.choice.misc = e_rab_modify_resp_p->e_rabs_failed[i].cause_value;
break;
default:
break;
}
S1AP_DEBUG("e_rab_modify_resp: failed e_rab ID %ld\n",
failed_item->e_RAB_ID);
S1ap_IE_t *ie = s1ap_new_ie(S1ap_ProtocolIE_ID_id_E_RABItem,
S1ap_Criticality_ignore,
&asn_DEF_S1ap_E_RABItem,
failed_item);
ASN_SEQUENCE_ADD(&initial_ies_p->e_RABFailedToModifyList.s1ap_E_RABItem,
ie);
}
fprintf(stderr, "start encode\n");
if (s1ap_eNB_encode_pdu(&message, &buffer, &length) < 0) {
S1AP_ERROR("Failed to encode uplink transport\n");
/* Encode procedure has failed... */
return -1;
}
MSC_LOG_TX_MESSAGE(
MSC_S1AP_ENB,
MSC_S1AP_MME,
(const char *)buffer,
length,
MSC_AS_TIME_FMT" E_RAN Modify successful Outcome eNB_ue_s1ap_id %u mme_ue_s1ap_id %u",
0,0,//MSC_AS_TIME_ARGS(ctxt_pP),
initial_ies_p->eNB_UE_S1AP_ID,
initial_ies_p->mme_ue_s1ap_id);
/* UE associated signalling -> use the allocated stream */
s1ap_eNB_itti_send_sctp_data_req(s1ap_eNB_instance_p->instance,
ue_context_p->mme_ref->assoc_id, buffer,
length, ue_context_p->tx_stream);
return ret;
}
//------------------------------------------------------------------------------
int s1ap_eNB_e_rab_release_resp(instance_t instance,
s1ap_e_rab_release_resp_t *e_rab_release_resp_p)
//------------------------------------------------------------------------------
{
s1ap_eNB_instance_t *s1ap_eNB_instance_p = NULL;
struct s1ap_eNB_ue_context_s *ue_context_p = NULL;
S1ap_E_RABReleaseResponseIEs_t *release_response_ies_p = NULL;
s1ap_message message;
uint8_t *buffer = NULL;
uint32_t length;
int ret = -1;
int i;
/* Retrieve the S1AP eNB instance associated with Mod_id */
s1ap_eNB_instance_p = s1ap_eNB_get_instance(instance);
DevAssert(e_rab_release_resp_p != NULL);
DevAssert(s1ap_eNB_instance_p != NULL);
/* Prepare the S1AP message to encode */
memset(&message, 0, sizeof(s1ap_message));
message.direction = S1AP_PDU_PR_successfulOutcome;
message.procedureCode = S1ap_ProcedureCode_id_E_RABRelease;
message.criticality = S1ap_Criticality_ignore;
if ((ue_context_p = s1ap_eNB_get_ue_context(s1ap_eNB_instance_p,
e_rab_release_resp_p->eNB_ue_s1ap_id)) == NULL) {
/* The context for this eNB ue s1ap id doesn't exist in the map of eNB UEs */
S1AP_WARN("Failed to find ue context associated with eNB ue s1ap id: %u\n",
e_rab_release_resp_p->eNB_ue_s1ap_id);
return -1;
}
release_response_ies_p = &message.msg.s1ap_E_RABReleaseResponseIEs;
release_response_ies_p->eNB_UE_S1AP_ID = e_rab_release_resp_p->eNB_ue_s1ap_id;
release_response_ies_p->mme_ue_s1ap_id = ue_context_p->mme_ue_s1ap_id;
if ( e_rab_release_resp_p->nb_of_e_rabs_released > 0 )
release_response_ies_p->presenceMask |= S1AP_E_RABRELEASERESPONSEIES_E_RABRELEASELISTBEARERRELCOMP_PRESENT;
//release
for (i = 0; i < e_rab_release_resp_p->nb_of_e_rabs_released; i++) {
S1ap_E_RABReleaseItemBearerRelComp_t *new_item;
new_item = calloc(1, sizeof(S1ap_E_RABReleaseItemBearerRelComp_t));
new_item->e_RAB_ID = e_rab_release_resp_p->e_rab_release[i].e_rab_id;
S1AP_DEBUG("e_rab_release_resp: e_rab ID %ld\n",new_item->e_RAB_ID);
ASN_SEQUENCE_ADD(&release_response_ies_p->e_RABReleaseListBearerRelComp.s1ap_E_RABReleaseItemBearerRelComp,
new_item);
}
if ( e_rab_release_resp_p->nb_of_e_rabs_failed > 0 )
release_response_ies_p->presenceMask |= S1AP_E_RABRELEASERESPONSEIES_E_RABFAILEDTORELEASELIST_PRESENT;
//release failed
for (i = 0; i < e_rab_release_resp_p->nb_of_e_rabs_failed; i++) {
S1ap_E_RABItem_t *new_rabitem;
new_rabitem = calloc(1, sizeof(S1ap_E_RABItem_t));
//e_rab_id
new_rabitem->e_RAB_ID = e_rab_release_resp_p->e_rabs_failed[i].e_rab_id;
//cause
switch(e_rab_release_resp_p->e_rabs_failed[i].cause)
{
case S1AP_CAUSE_NOTHING:
new_rabitem->cause.present = S1ap_Cause_PR_NOTHING;
break;
case S1AP_CAUSE_RADIO_NETWORK:
new_rabitem->cause.present = S1ap_Cause_PR_radioNetwork;
new_rabitem->cause.choice.radioNetwork = e_rab_release_resp_p->e_rabs_failed[i].cause_value;
break;
case S1AP_CAUSE_TRANSPORT:
new_rabitem->cause.present = S1ap_Cause_PR_transport;
new_rabitem->cause.choice.transport = e_rab_release_resp_p->e_rabs_failed[i].cause_value;
break;
case S1AP_CAUSE_NAS:
new_rabitem->cause.present = S1ap_Cause_PR_nas;
new_rabitem->cause.choice.nas = e_rab_release_resp_p->e_rabs_failed[i].cause_value;
break;
case S1AP_CAUSE_PROTOCOL:
new_rabitem->cause.present = S1ap_Cause_PR_protocol;
new_rabitem->cause.choice.protocol = e_rab_release_resp_p->e_rabs_failed[i].cause_value;
break;
case S1AP_CAUSE_MISC:
default:
new_rabitem->cause.present = S1ap_Cause_PR_misc;
new_rabitem->cause.choice.misc = e_rab_release_resp_p->e_rabs_failed[i].cause_value;
break;
}
S1AP_DEBUG("e_rab_release_resp: failed e_rab ID %ld\n",new_rabitem->e_RAB_ID);
ASN_SEQUENCE_ADD(&release_response_ies_p->e_RABFailedToReleaseList.s1ap_E_RABItem, new_rabitem);
}
fprintf(stderr, "start encode\n");
if (s1ap_eNB_encode_pdu(&message, &buffer, &length) < 0) {
S1AP_ERROR("Failed to encode release response\n");
/* Encode procedure has failed... */
return -1;
}
MSC_LOG_TX_MESSAGE(
MSC_S1AP_ENB,
MSC_S1AP_MME,
(const char *)buffer,
length,
MSC_AS_TIME_FMT" E_RAN Release successfulOutcome eNB_ue_s1ap_id %u mme_ue_s1ap_id %u",
0,0,//MSC_AS_TIME_ARGS(ctxt_pP),
e_rab_release_resp_p->eNB_ue_s1ap_id,
ue_context_p->mme_ue_s1ap_id);
/* UE associated signalling -> use the allocated stream */
s1ap_eNB_itti_send_sctp_data_req(s1ap_eNB_instance_p->instance,
ue_context_p->mme_ref->assoc_id, buffer,
length, ue_context_p->tx_stream);
S1AP_INFO("e_rab_release_response sended eNB_UE_S1AP_ID %d mme_ue_s1ap_id %d nb_of_e_rabs_released %d nb_of_e_rabs_failed %d\n",
e_rab_release_resp_p->eNB_ue_s1ap_id, ue_context_p->mme_ue_s1ap_id,e_rab_release_resp_p->nb_of_e_rabs_released,e_rab_release_resp_p->nb_of_e_rabs_failed);
return ret;
}
openair3/S1AP/s1ap_eNB_nas_procedures.h
+5
View File
@@ -44,4 +44,9 @@ int s1ap_eNB_ue_capabilities(instance_t instance,
int s1ap_eNB_e_rab_setup_resp(instance_t instance,
s1ap_e_rab_setup_resp_t *e_rab_setup_resp_p);
int s1ap_eNB_e_rab_modify_resp(instance_t instance,
s1ap_e_rab_modify_resp_t *e_rab_modify_resp_p);
int s1ap_eNB_e_rab_release_resp(instance_t instance,
s1ap_e_rab_release_resp_t *e_rab_release_resp_p);
#endif /* S1AP_ENB_NAS_PROCEDURES_H_ */
openair3/SECU/kdf.c
+40
View File
@@ -63,3 +63,43 @@ int derive_keNB(const uint8_t kasme[32], const uint32_t nas_count, uint8_t *keNB
}
#endif
int derive_keNB_star(
const uint8_t *kenb_32,
const uint16_t pci,
const uint32_t earfcn_dl,
const bool is_rel8_only,
uint8_t *kenb_star)
{
// see 33.401 section A.5 KeNB* derivation function
uint8_t s[10] = {0};
// FC = 0x13
s[0] = FC_KENB_STAR;
// P0 = PCI (target physical cell id)
s[1] = (pci & 0x0000ff00) >> 8;
s[2] = (pci & 0x000000ff);
// L0 = length of PCI (i.e. 0x00 0x02)
s[3] = 0x00;
s[4] = 0x02;
// P1 = EARFCN-DL (target physical cell downlink frequency)
if (is_rel8_only) {
s[5] = (earfcn_dl & 0x0000ff00) >> 8;
s[6] = (earfcn_dl & 0x000000ff);
s[7] = 0x00;
s[8] = 0x02;
kdf (kenb_32, 32, s, 9, kenb_star, 32);
} else {
s[5] = (earfcn_dl & 0x00ff0000) >> 16;
s[6] = (earfcn_dl & 0x0000ff00) >> 8;
s[7] = (earfcn_dl & 0x000000ff);
s[8] = 0x00;
s[9] = 0x03;
kdf (kenb_32, 32, s, 10, kenb_star, 32);
}
// L1 length of EARFCN-DL (i.e. L1 = 0x00 0x02 if EARFCN-DL is between 0 and 65535, and L1 = 0x00 0x03 if EARFCN-DL is between 65536 and 262143)
// NOTE: The length of EARFCN-DL cannot be generally set to 3 bytes for backward compatibility reasons: A Rel-8
// entity (UE or eNB) would always assume an input parameter length of 2 bytes for the EARFCN-DL. This
// would lead to different derived keys if another entity assumed an input parameter length of 3 bytes for the
// EARFCN-DL.
return 0;
}
openair3/SECU/secu_defs.h
+4
View File
@@ -23,6 +23,7 @@
#define SECU_DEFS_H_
#include "security_types.h"
#include <stdbool.h>
#define EIA0_ALG_ID 0x00
#define EIA1_128_ALG_ID 0x01
@@ -44,6 +45,9 @@ void kdf(const uint8_t *key,
int derive_keNB(const uint8_t kasme[32], const uint32_t nas_count, uint8_t *keNB);
int derive_keNB_star(const uint8_t *kenb_32, const uint16_t pci, const uint32_t earfcn_dl,
const bool is_rel8_only, uint8_t * kenb_star);
int derive_key_nas(algorithm_type_dist_t nas_alg_type, uint8_t nas_enc_alg_id,
const uint8_t kasme[32], uint8_t *knas);
targets/RT/USER/lte-softmodem.c
+5 -1
View File
@@ -1148,6 +1148,10 @@ int main( int argc, char **argv )
RCconfig_L1();
}
#endif
// init UE_PF_PO and mutex lock
pthread_mutex_init(&ue_pf_po_mutex, NULL);
memset (&UE_PF_PO[0][0], 0, sizeof(UE_PF_PO_t)*NUMBER_OF_UE_MAX*MAX_NUM_CCs);
if (phy_test==0) {
if (UE_flag==1) {
@@ -1369,7 +1373,7 @@ int main( int argc, char **argv )
pthread_cond_destroy(&sync_cond);
pthread_mutex_destroy(&sync_mutex);
pthread_mutex_destroy(&ue_pf_po_mutex);
// *** Handle per CC_id openair0
if (UE_flag==1) {