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X2AP MOBILITY PROCEDURES (X2AP HANDOVER REQUEST/REQUEST ACK)

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S1AP PATH SWITCH REQUEST/REQUEST ACK/FAILURE
RRC MEASUREMENT REPORT
MINOR CHANGES IN MAC LAYER
This commit is contained in:
Konstantinos Alexandris
2018-12-18 13:45:03 +01:00
parent 67cc97a42c
commit ea105c39b1
40 changed files with 3647 additions and 160 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/COMMON/s1ap_messages_def.h
+4
View File
@@ -39,6 +39,8 @@ MESSAGE_DEF(S1AP_PAGING_LOG , MESSAGE_PRIORITY_MED, IttiMsgText
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)
MESSAGE_DEF(S1AP_ERROR_INDICATION_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_error_indication_log)
MESSAGE_DEF(S1AP_PATH_SWITCH_REQ_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_path_switch_req_log)
MESSAGE_DEF(S1AP_PATH_SWITCH_REQ_ACK_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_path_switch_req_ack_log)
/* eNB application layer -> S1AP messages */
MESSAGE_DEF(S1AP_REGISTER_ENB_REQ , MESSAGE_PRIORITY_MED, s1ap_register_enb_req_t , s1ap_register_enb_req)
@@ -62,6 +64,8 @@ MESSAGE_DEF(S1AP_E_RAB_SETUP_RESP , MESSAGE_PRIORITY_MED, s1ap_e_rab_se
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)
MESSAGE_DEF(S1AP_PATH_SWITCH_REQ , MESSAGE_PRIORITY_MED, s1ap_path_switch_req_t , s1ap_path_switch_req)
MESSAGE_DEF(S1AP_PATH_SWITCH_REQ_ACK , MESSAGE_PRIORITY_MED, s1ap_path_switch_req_ack_t , s1ap_path_switch_req_ack)
/* S1AP -> RRC messages */
MESSAGE_DEF(S1AP_DOWNLINK_NAS , MESSAGE_PRIORITY_MED, s1ap_downlink_nas_t , s1ap_downlink_nas )
openair2/COMMON/s1ap_messages_types.h
+71 -4
View File
@@ -42,6 +42,8 @@
#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_PATH_SWITCH_REQ(mSGpTR) (mSGpTR)->ittiMsg.s1ap_path_switch_req
#define S1AP_PATH_SWITCH_REQ_ACK(mSGpTR) (mSGpTR)->ittiMsg.s1ap_path_switch_req_ack
#define S1AP_DOWNLINK_NAS(mSGpTR) (mSGpTR)->ittiMsg.s1ap_downlink_nas
#define S1AP_INITIAL_CONTEXT_SETUP_REQ(mSGpTR) (mSGpTR)->ittiMsg.s1ap_initial_context_setup_req
@@ -269,6 +271,17 @@ typedef struct e_rab_setup_s {
uint32_t gtp_teid;
} e_rab_setup_t;
typedef struct e_rab_tobeswitched_s {
/* Unique e_rab_id for the UE. */
uint8_t e_rab_id;
/* The transport layer address for the IP packets */
transport_layer_addr_t sgw_addr;
/* S-GW Tunnel endpoint identifier */
uint32_t gtp_teid;
} e_rab_tobeswitched_t;
typedef struct e_rab_modify_s {
/* Unique e_rab_id for the UE. */
uint8_t e_rab_id;
@@ -472,6 +485,8 @@ typedef struct s1ap_initial_context_setup_req_s {
/* eNB ue s1ap id as initialized by S1AP layer */
unsigned eNB_ue_s1ap_id:24;
uint32_t mme_ue_s1ap_id;
/* UE aggregate maximum bitrate */
ambr_t ue_ambr;
@@ -525,7 +540,7 @@ typedef struct s1ap_e_rab_setup_req_s {
uint16_t ue_initial_id;
/* MME UE id */
uint16_t mme_ue_s1ap_id;
uint32_t mme_ue_s1ap_id;
/* eNB ue s1ap id as initialized by S1AP layer */
unsigned eNB_ue_s1ap_id:24;
@@ -552,6 +567,58 @@ typedef struct s1ap_e_rab_setup_resp_s {
e_rab_failed_t e_rabs_failed[S1AP_MAX_E_RAB];
} s1ap_e_rab_setup_resp_t;
typedef struct s1ap_path_switch_req_s {
unsigned eNB_ue_s1ap_id:24;
/* Number of e_rab setup-ed in the list */
uint8_t nb_of_e_rabs;
/* list of e_rab setup-ed by RRC layers */
e_rab_setup_t e_rabs_tobeswitched[S1AP_MAX_E_RAB];
/* MME UE id */
uint32_t mme_ue_s1ap_id;
s1ap_gummei_t ue_gummei;
uint16_t ue_initial_id;
/* Security algorithms */
security_capabilities_t security_capabilities;
} s1ap_path_switch_req_t;
typedef struct s1ap_path_switch_req_ack_s {
/* UE id for initial connection to S1AP */
uint16_t ue_initial_id;
unsigned eNB_ue_s1ap_id:24;
/* MME UE id */
uint32_t mme_ue_s1ap_id;
/* UE aggregate maximum bitrate */
ambr_t ue_ambr;
/* Number of e_rab setup-ed in the list */
uint8_t nb_e_rabs_tobeswitched;
/* list of e_rab to be switched by RRC layers */
e_rab_tobeswitched_t e_rabs_tobeswitched[S1AP_MAX_E_RAB];
/* Number of e_rabs to be released by RRC */
uint8_t nb_e_rabs_tobereleased;
/* list of e_rabs to be released */
e_rab_failed_t e_rabs_tobereleased[S1AP_MAX_E_RAB];
/* Security key */
int next_hop_chain_count;
uint8_t next_security_key[SECURITY_KEY_LENGTH];
} s1ap_path_switch_req_ack_t;
// S1AP --> RRC messages
typedef struct s1ap_ue_release_command_s {
@@ -574,7 +641,7 @@ typedef struct s1ap_e_rab_modify_req_s {
uint16_t ue_initial_id;
/* MME UE id */
uint16_t mme_ue_s1ap_id;
uint32_t mme_ue_s1ap_id;
/* eNB ue s1ap id as initialized by S1AP layer */
unsigned eNB_ue_s1ap_id:24;
@@ -607,7 +674,7 @@ typedef struct e_rab_release_s {
typedef struct s1ap_e_rab_release_command_s {
/* MME UE id */
uint16_t mme_ue_s1ap_id;
uint32_t mme_ue_s1ap_id;
/* eNB ue s1ap id as initialized by S1AP layer */
unsigned eNB_ue_s1ap_id:24;
@@ -625,7 +692,7 @@ typedef struct s1ap_e_rab_release_command_s {
typedef struct s1ap_e_rab_release_resp_s {
/* MME UE id */
uint16_t mme_ue_s1ap_id;
uint32_t mme_ue_s1ap_id;
/* eNB ue s1ap id as initialized by S1AP layer */
unsigned eNB_ue_s1ap_id:24;
openair2/COMMON/x2ap_messages_types.h
+15 -2
View File
@@ -132,7 +132,7 @@ typedef struct x2ap_handover_req_s {
int source_rnti; /* TODO: to be fixed/remove */
int source_x2id; /* TODO: to be fixed/remove */
unsigned old_eNB_ue_s1ap_id:24;
int old_eNB_ue_x2ap_id;
PhysCellId_t target_physCellId;
@@ -158,10 +158,14 @@ typedef struct x2ap_handover_req_s {
/* list of e_rab setup-ed by RRC layers */
e_rab_setup_t e_rabs_tobesetup[S1AP_MAX_E_RAB];
/* ue_context_pP->ue_context.e_rab[i].param.sgw_addr; */
/* list of e_rab to be setup by RRC layers */
e_rab_t e_rab_param[S1AP_MAX_E_RAB];
x2ap_lastvisitedcell_info_t lastvisitedcell_info;
uint8_t rrc_buffer[1024 /* arbitrary, big enough */];
int rrc_buffer_size;
/* TODO: this parameter has to be removed */
int target_mod_id;
} x2ap_handover_req_t;
@@ -171,6 +175,15 @@ typedef struct x2ap_handover_req_ack_s {
int source_x2id; /* TODO: to be fixed/remove */
/* TODO: this parameter has to be removed */
int target_mod_id;
uint8_t nb_e_rabs_tobesetup;
/* list of e_rab setup-ed by RRC layers */
e_rab_setup_t e_rabs_tobesetup[S1AP_MAX_E_RAB];
/* list of e_rab to be setup by RRC layers */
e_rab_t e_rab_param[S1AP_MAX_E_RAB];
uint8_t rrc_buffer[1024 /* arbitrary, big enough */];
int rrc_buffer_size;