645 lines
23 KiB
C
645 lines
23 KiB
C
#ifndef __MME_CONTEXT__
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#define __MME_CONTEXT__
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#include "core_list.h"
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#include "core_index.h"
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#include "core_errno.h"
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#include "core_sha2.h"
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#include "core_hash.h"
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#include "core_network.h"
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#include "core_tlv_msg.h"
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#include "core_fsm.h"
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#include "core_msgq.h"
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#include "core_timer.h"
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#include "3gpp_types.h"
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#include "s1ap/s1ap_message.h"
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#include "nas/nas_message.h"
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#include "fd/s6a/s6a_message.h"
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/* S1AP */
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#include "S1ap-Cause.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define MAX_PLMN_ID 6
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#define GRP_PER_MME 256 /* According to spec it is 65535 */
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#define CODE_PER_MME 256 /* According to spec it is 256 */
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#define MAX_NUM_OF_SERVED_TAI 16
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#define MAX_NUM_OF_SERVED_GUMMEI 8
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#define MAX_NUM_OF_ALGORITHM 8
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#define MAX_NUM_OF_BPLMN 6
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typedef struct _enb_ue_t enb_ue_t;
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typedef struct _mme_ue_t mme_ue_t;
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typedef struct _gtp_node_t gtp_node_t;
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typedef struct _gtp_xact_t gtp_xact_t;
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typedef struct _fd_config_t fd_config_t;
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typedef c_uint32_t mme_m_tmsi_t;
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typedef struct _served_gummei {
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c_uint32_t num_of_plmn_id;
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plmn_id_t plmn_id[MAX_PLMN_ID];
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c_uint32_t num_of_mme_gid;
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c_uint16_t mme_gid[GRP_PER_MME];
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c_uint32_t num_of_mme_code;
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c_uint8_t mme_code[CODE_PER_MME];
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} served_gummei_t;
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typedef struct _mme_context_t {
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const char *fd_conf_path; /* MME freeDiameter conf path */
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fd_config_t *fd_config; /* MME freeDiameter config */
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c_uint16_t s1ap_port; /* Default S1AP Port */
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c_uint16_t gtpc_port; /* Default GTPC Port */
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list_t s1ap_list; /* MME S1AP IPv4 Server List */
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list_t s1ap_list6; /* MME S1AP IPv6 Server List */
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list_t gtpc_list; /* MME GTPC IPv4 Server List */
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list_t gtpc_list6; /* MME GTPC IPv6 Server List */
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sock_id gtpc_sock; /* MME GTPC IPv4 Socket */
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sock_id gtpc_sock6; /* MME GTPC IPv6 Socket */
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c_sockaddr_t *gtpc_addr; /* MME GTPC IPv4 Address */
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c_sockaddr_t *gtpc_addr6; /* MME GTPC IPv6 Address */
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list_t sgw_list; /* SGW GTPC Client List */
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gtp_node_t *sgw; /* Iterator for SGW round-robin */
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list_t pgw_list; /* PGW GTPC Client List */
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c_sockaddr_t *pgw_addr; /* First IPv4 Address Selected */
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c_sockaddr_t *pgw_addr6; /* First IPv6 Address Selected */
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/* Served GUMME */
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c_uint8_t max_num_of_served_gummei;
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served_gummei_t served_gummei[MAX_NUM_OF_SERVED_GUMMEI];
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/* Served TAI */
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c_uint8_t num_of_served_tai;
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struct {
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tai0_list_t list0;
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tai2_list_t list2;
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} served_tai[MAX_NUM_OF_SERVED_TAI];
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/* defined in 'nas_ies.h'
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* #define NAS_SECURITY_ALGORITHMS_EIA0 0
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* #define NAS_SECURITY_ALGORITHMS_128_EEA1 1
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* #define NAS_SECURITY_ALGORITHMS_128_EEA2 2
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* #define NAS_SECURITY_ALGORITHMS_128_EEA3 3 */
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c_uint8_t num_of_ciphering_order;
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c_uint8_t ciphering_order[MAX_NUM_OF_ALGORITHM];
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/* defined in 'nas_ies.h'
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* #define NAS_SECURITY_ALGORITHMS_EIA0 0
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* #define NAS_SECURITY_ALGORITHMS_128_EIA1 1
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* #define NAS_SECURITY_ALGORITHMS_128_EIA1 2
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* #define NAS_SECURITY_ALGORITHMS_128_EIA3 3 */
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c_uint8_t num_of_integrity_order;
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c_uint8_t integrity_order[MAX_NUM_OF_ALGORITHM];
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/* S1SetupResponse */
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c_uint8_t relative_capacity;
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/* Timer value */
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c_uint32_t t3413_value; /* Paging retry timer value */
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c_uint32_t s1_holding_timer_value; /* S1 holding timer value */
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/* Generator for unique identification */
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c_uint32_t mme_ue_s1ap_id; /* mme_ue_s1ap_id generator */
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/* M-TMSI Pool */
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struct {
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int head, tail;
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int size, avail;
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mutex_id mut;
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mme_m_tmsi_t *free[MAX_POOL_OF_SESS], pool[MAX_POOL_OF_SESS];
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} m_tmsi;
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hash_t *enb_sock_hash; /* hash table for ENB Socket */
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hash_t *enb_addr_hash; /* hash table for ENB Address */
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hash_t *enb_id_hash; /* hash table for ENB-ID */
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hash_t *mme_ue_s1ap_id_hash; /* hash table for MME-UE-S1AP-ID */
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hash_t *imsi_ue_hash; /* hash table (IMSI : MME_UE) */
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hash_t *guti_ue_hash; /* hash table (GUTI : MME_UE) */
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/* System */
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msgq_id queue_id; /* Queue for processing MME control plane */
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tm_service_t tm_service; /* Timer Service */
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} mme_context_t;
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typedef struct _mme_enb_t {
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index_t index; /* An index of this node */
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fsm_t sm; /* A state machine */
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c_uint32_t enb_id; /* eNB_ID received from eNB */
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int sock_type; /* SOCK_STREAM or SOCK_SEQPACKET */
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sock_id sock; /* eNB S1AP Socket */
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c_sockaddr_t *addr; /* eNB S1AP Address */
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c_uint8_t num_of_supported_ta_list;
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tai_t supported_ta_list[MAX_NUM_OF_TAI * MAX_NUM_OF_BPLMN];
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list_t enb_ue_list;
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} mme_enb_t;
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struct _enb_ue_t {
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lnode_t node; /* A node of list_t */
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index_t index; /* An index of this node */
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/* UE identity */
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c_uint32_t enb_ue_s1ap_id; /* eNB-UE-S1AP-ID received from eNB */
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c_uint32_t mme_ue_s1ap_id; /* MME-UE-S1AP-ID received from MME */
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/* Handover Info */
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S1ap_HandoverType_t handover_type;
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enb_ue_t *source_ue;
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enb_ue_t *target_ue;
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/* Use mme_ue->tai, mme_ue->e_cgi.
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* Do not access enb_ue->nas.tai enb_ue->nas.e_cgi.
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*
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* Save TAI and ECGI. And then, this will copy 'mme_ue_t' context later */
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struct {
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tai_t tai;
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e_cgi_t e_cgi;
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} nas;
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/* Store by UE Context Release Command
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* Retrieve by UE Context Release Complete */
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#define S1AP_UE_CTX_REL_INVALID_ACTION 0
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#define S1AP_UE_CTX_REL_NO_ACTION 1
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#define S1AP_UE_CTX_REL_UNLINK_MME_UE_CONTEXT 2
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#define S1AP_UE_CTX_REL_REMOVE_MME_UE_CONTEXT 3
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#define S1AP_UE_CTX_REL_DELETE_INDIRECT_TUNNEL 4
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c_uint8_t ue_ctx_rel_action;
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/*
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* S1 holding timer
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*
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* When eNodeB sends Attach Request, TAU Request, Service Request repeatly,
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* S1(enb_ue_t) context is repeatly created.
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*
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* NAS(mme_ue_t) context is associated with last created S1(enb_ue_t)
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* context, and older S1(enb_ue_t) context might not be freed.
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*
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* If NAS(mme_ue_t) has already been associated with
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* older S1(enb_ue_t) context, the holding timer(30secs) is started.
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* Newly associated S1(enb_ue_t) context holding timer is stopped.
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*
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* If the holding timer expires,
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* S1(enb_ue_t) context will be implicitly deleted.
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*/
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tm_block_id holding_timer;
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/* Related Context */
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mme_enb_t *enb;
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mme_ue_t *mme_ue;
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};
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struct _mme_ue_t {
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index_t index; /* An index of this node */
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fsm_t sm; /* A state machine */
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struct {
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#define MME_EPS_TYPE_ATTACH_REQUEST 1
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#define MME_EPS_TYPE_TAU_REQUEST 2
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#define MME_EPS_TYPE_SERVICE_REQUEST 3
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c_uint8_t type;
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union {
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nas_eps_attach_type_t attach;
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nas_eps_update_type_t update;
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};
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} nas_eps;
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/* UE identity */
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#define MME_UE_HAVE_IMSI(__mME) \
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((__mME) && ((__mME)->imsi_len))
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c_uint8_t imsi[MAX_IMSI_LEN];
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int imsi_len;
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c_int8_t imsi_bcd[MAX_IMSI_BCD_LEN+1];
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mme_m_tmsi_t *m_tmsi;
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guti_t guti;
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int guti_present;
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c_uint32_t mme_s11_teid; /* MME-S11-TEID is derived from INDEX */
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c_uint32_t sgw_s11_teid; /* SGW-S11-TEID is received from SGW */
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/* UE Info */
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tai_t tai;
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e_cgi_t e_cgi;
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plmn_id_t visited_plmn_id;
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#define SECURITY_CONTEXT_IS_VALID(__mME) \
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((__mME) && \
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((__mME)->security_context_available == 1) && ((__mME)->mac_failed == 0))
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#define CLEAR_SECURITY_CONTEXT(__mME) \
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do { \
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d_assert((__mME), break, "Null param"); \
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(__mME)->security_context_available = 0; \
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(__mME)->mac_failed = 0; \
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} while(0)
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int security_context_available;
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int mac_failed;
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/* Security Context */
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nas_ue_network_capability_t ue_network_capability;
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nas_ms_network_capability_t ms_network_capability;
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c_uint8_t xres[MAX_RES_LEN];
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c_uint8_t xres_len;
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c_uint8_t kasme[SHA256_DIGEST_SIZE];
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c_uint8_t rand[RAND_LEN];
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c_uint8_t knas_int[SHA256_DIGEST_SIZE/2];
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c_uint8_t knas_enc[SHA256_DIGEST_SIZE/2];
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c_uint32_t dl_count;
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union {
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struct {
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ED3(c_uint8_t spare;,
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c_uint16_t overflow;,
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c_uint8_t sqn;)
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} __attribute__ ((packed));
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c_uint32_t i32;
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} ul_count;
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c_uint8_t kenb[SHA256_DIGEST_SIZE];
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struct {
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ED2(c_uint8_t nhcc_spare:5;,
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c_uint8_t nhcc:3;) /* Next Hop Channing Counter */
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};
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c_uint8_t nh[SHA256_DIGEST_SIZE]; /* NH Security Key */
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/* defined in 'nas_ies.h'
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* #define NAS_SECURITY_ALGORITHMS_EIA0 0
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* #define NAS_SECURITY_ALGORITHMS_128_EEA1 1
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* #define NAS_SECURITY_ALGORITHMS_128_EEA2 2
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* #define NAS_SECURITY_ALGORITHMS_128_EEA3 3 */
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c_uint8_t selected_enc_algorithm;
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/* defined in 'nas_ies.h'
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* #define NAS_SECURITY_ALGORITHMS_EIA0 0
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* #define NAS_SECURITY_ALGORITHMS_128_EIA1 1
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* #define NAS_SECURITY_ALGORITHMS_128_EIA1 2
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* #define NAS_SECURITY_ALGORITHMS_128_EIA3 3 */
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c_uint8_t selected_int_algorithm;
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/* HSS Info */
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s6a_subscription_data_t subscription_data;
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/* ESM Info */
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#define MIN_EPS_BEARER_ID 5
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#define MAX_EPS_BEARER_ID 15
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#define CLEAR_EPS_BEARER_ID(__mME) \
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do { \
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d_assert((__mME), break, "Null param"); \
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(__mME)->ebi = MIN_EPS_BEARER_ID - 1; \
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} while(0)
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c_uint8_t ebi; /* EPS Bearer ID generator */
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list_t sess_list;
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#define MME_UE_ECM_IDLE(__mME) \
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((__mME) && ((__mME)->enb_ue == NULL))
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#define MME_UE_ECM_CONNECTED(__mME) \
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((__mME) && ((__mME)->enb_ue != NULL))
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/* S1 UE context */
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enb_ue_t *enb_ue;
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/* Save PDN Connectivity Request */
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nas_esm_message_container_t pdn_connectivity_request;
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/* Paging */
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#define CLEAR_PAGING_INFO(__mME) \
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do { \
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d_assert((__mME), break, "Null param"); \
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\
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tm_stop((__mME)->t3413); \
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if ((__mME)->last_paging_msg) \
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{ \
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pkbuf_free((__mME)->last_paging_msg); \
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(__mME)->last_paging_msg = NULL; \
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} \
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(__mME)->max_paging_retry = 0; \
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} while(0);
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pkbuf_t *last_paging_msg;
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tm_block_id t3413;
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#define MAX_NUM_OF_PAGING 2
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c_uint32_t max_paging_retry;
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/* UE Radio Capability */
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void *radio_capa;
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/* Detach Request */
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nas_detach_type_t detach_type;
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/* S1AP Transparent Container */
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OCTET_STRING_t container;
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/* GTP Request/Response Counter */
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#define GTP_COUNTER_INCREMENT(__mME, __tYPE) \
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do { \
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d_assert((__mME), break,); \
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((__mME)->gtp_counter[__tYPE].request)++; \
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} while(0);
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#define GTP_COUNTER_CHECK(__mME, __tYPE, __eXPR) \
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do { \
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d_assert((__mME), break,); \
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if ((__mME)->gtp_counter[__tYPE].request == 0) break; \
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((__mME)->gtp_counter[__tYPE].response)++; \
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if (((__mME)->gtp_counter[__tYPE].request) == \
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((__mME)->gtp_counter[__tYPE].response)) \
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{ \
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((__mME)->gtp_counter[__tYPE].request) = 0; \
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((__mME)->gtp_counter[__tYPE].response) = 0; \
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__eXPR \
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} \
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} while(0);
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#define MAX_NUM_OF_GTP_COUNTER 16
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#if 0 /* Deprecated */
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#define GTP_COUNTER_DELETE_SESSION 0
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#endif
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#define GTP_COUNTER_MODIFY_BEARER_BY_PATH_SWITCH 1
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#define GTP_COUNTER_MODIFY_BEARER_BY_HANDOVER_NOTIFY 2
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struct {
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c_uint8_t request;
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c_uint8_t response;
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} gtp_counter[MAX_NUM_OF_GTP_COUNTER];
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gtp_node_t *gnode;
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};
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#define MME_HAVE_SGW_S1U_PATH(__sESS) \
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((__sESS) && (mme_bearer_first(__sESS)) && \
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((mme_default_bearer_in_sess(__sESS)->sgw_s1u_teid)))
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#define SESSION_CONTEXT_IS_VALID(__mME) \
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((__mME) && ((__mME)->sgw_s11_teid))
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#define CLEAR_SESSION_CONTEXT(__mME) \
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do { \
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d_assert((__mME), break, "Null param"); \
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(__mME)->sgw_s11_teid = 0; \
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} while(0)
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typedef struct _mme_sess_t {
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lnode_t node; /* A node of list_t */
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index_t index; /* An index of this node */
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c_uint8_t pti; /* Procedure Trasaction Identity */
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/* PDN Connectivity Request */
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nas_request_type_t request_type;
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/* mme_bearer_first(sess) : Default Bearer Context */
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list_t bearer_list;
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/* Related Context */
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mme_ue_t *mme_ue;
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#define MME_UE_HAVE_APN(__mME) \
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((__mME) && (mme_sess_first(__mME)) && \
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((mme_sess_first(__mME))->pdn))
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pdn_t *pdn;
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/* Save Protocol Configuration Options from UE */
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struct {
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c_uint8_t length;
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c_uint8_t *buffer;
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} ue_pco;
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/* Save Protocol Configuration Options from PGW */
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tlv_octet_t pgw_pco;
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} mme_sess_t;
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#define MME_BEARER_INACTIVE(__mME) \
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(mme_bearer_is_inactive(__mME) == 1)
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#define MME_BEARER_ACTIVE(__mME) \
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(mme_bearer_is_inactive(__mME) == 0)
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#define MME_BEARER_SET_INACTIVE(__mME) \
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mme_bearer_set_inactive(__mME)
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#define MME_HAVE_ENB_S1U_PATH(__bEARER) \
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((__bEARER) && ((__bEARER)->enb_s1u_teid))
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#define CLEAR_ENB_S1U_PATH(__bEARER) \
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do { \
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d_assert((__bEARER), break, "Null param"); \
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(__bEARER)->enb_s1u_teid = 0; \
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} while(0)
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#define MME_HAVE_ENB_DL_INDIRECT_TUNNEL(__bEARER) \
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((__bEARER) && ((__bEARER)->enb_dl_teid))
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#define MME_HAVE_ENB_UL_INDIRECT_TUNNEL(__bEARER) \
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((__bEARER) && ((__bEARER)->enb_ul_teid))
|
|
#define MME_HAVE_SGW_DL_INDIRECT_TUNNEL(__bEARER) \
|
|
((__bEARER) && ((__bEARER)->sgw_dl_teid))
|
|
#define MME_HAVE_SGW_UL_INDIRECT_TUNNEL(__bEARER) \
|
|
((__bEARER) && ((__bEARER)->sgw_ul_teid))
|
|
#define CLEAR_INDIRECT_TUNNEL(__bEARER) \
|
|
do { \
|
|
d_assert((__bEARER), break, "Null param"); \
|
|
(__bEARER)->enb_dl_teid = 0; \
|
|
(__bEARER)->enb_ul_teid = 0; \
|
|
(__bEARER)->sgw_dl_teid = 0; \
|
|
(__bEARER)->sgw_ul_teid = 0; \
|
|
} while(0)
|
|
typedef struct _mme_bearer_t {
|
|
lnode_t node; /* A node of list_t */
|
|
index_t index; /* An index of this node */
|
|
fsm_t sm; /* State Machine */
|
|
|
|
c_uint8_t ebi; /* EPS Bearer ID */
|
|
|
|
c_uint32_t enb_s1u_teid;
|
|
ip_t enb_s1u_ip;
|
|
c_uint32_t sgw_s1u_teid;
|
|
ip_t sgw_s1u_ip;
|
|
|
|
c_uint32_t target_s1u_teid; /* Target S1U TEID from HO-Req-Ack */
|
|
ip_t target_s1u_ip; /* Target S1U ADDR from HO-Req-Ack */
|
|
|
|
c_uint32_t enb_dl_teid;
|
|
ip_t enb_dl_ip;
|
|
c_uint32_t enb_ul_teid;
|
|
ip_t enb_ul_ip;
|
|
|
|
c_uint32_t sgw_dl_teid;
|
|
ip_t sgw_dl_ip;
|
|
c_uint32_t sgw_ul_teid;
|
|
ip_t sgw_ul_ip;
|
|
|
|
qos_t qos;
|
|
tlv_octet_t tft; /* Saved TFT */
|
|
|
|
/* Related Context */
|
|
mme_ue_t *mme_ue;
|
|
mme_sess_t *sess;
|
|
gtp_xact_t *xact;
|
|
} mme_bearer_t;
|
|
|
|
CORE_DECLARE(status_t) mme_context_init(void);
|
|
CORE_DECLARE(status_t) mme_context_final(void);
|
|
CORE_DECLARE(mme_context_t*) mme_self(void);
|
|
|
|
CORE_DECLARE(status_t) mme_context_parse_config(void);
|
|
CORE_DECLARE(status_t) mme_context_setup_trace_module(void);
|
|
|
|
CORE_DECLARE(mme_enb_t*) mme_enb_add(sock_id sock, c_sockaddr_t *addr);
|
|
CORE_DECLARE(status_t) mme_enb_remove(mme_enb_t *enb);
|
|
CORE_DECLARE(status_t) mme_enb_remove_all(void);
|
|
CORE_DECLARE(mme_enb_t*) mme_enb_find(index_t index);
|
|
CORE_DECLARE(mme_enb_t*) mme_enb_find_by_sock(sock_id sock);
|
|
CORE_DECLARE(mme_enb_t*) mme_enb_find_by_addr(c_sockaddr_t *addr);
|
|
CORE_DECLARE(mme_enb_t*) mme_enb_find_by_enb_id(c_uint32_t enb_id);
|
|
CORE_DECLARE(status_t) mme_enb_set_enb_id(
|
|
mme_enb_t *enb, c_uint32_t enb_id);
|
|
CORE_DECLARE(hash_index_t *) mme_enb_first();
|
|
CORE_DECLARE(hash_index_t *) mme_enb_next(hash_index_t *hi);
|
|
CORE_DECLARE(mme_enb_t *) mme_enb_this(hash_index_t *hi);
|
|
CORE_DECLARE(int) mme_enb_sock_type(sock_id sock);
|
|
|
|
CORE_DECLARE(enb_ue_t*) enb_ue_add(mme_enb_t *enb);
|
|
CORE_DECLARE(unsigned int) enb_ue_count();
|
|
CORE_DECLARE(status_t) enb_ue_remove(enb_ue_t *enb_ue);
|
|
CORE_DECLARE(status_t) enb_ue_remove_in_enb(mme_enb_t *enb);
|
|
CORE_DECLARE(status_t) enb_ue_switch_to_enb(enb_ue_t *enb_ue,
|
|
mme_enb_t *new_enb);
|
|
CORE_DECLARE(enb_ue_t*) enb_ue_find(index_t index);
|
|
CORE_DECLARE(enb_ue_t*) enb_ue_find_by_enb_ue_s1ap_id(mme_enb_t *enb,
|
|
c_uint32_t enb_ue_s1ap_id);
|
|
CORE_DECLARE(enb_ue_t*) enb_ue_find_by_mme_ue_s1ap_id(
|
|
c_uint32_t mme_ue_s1ap_id);
|
|
CORE_DECLARE(enb_ue_t*) enb_ue_first_in_enb(mme_enb_t *enb);
|
|
CORE_DECLARE(enb_ue_t*) enb_ue_next_in_enb(enb_ue_t *enb_ue);
|
|
|
|
CORE_DECLARE(mme_ue_t*) mme_ue_add(enb_ue_t *enb_ue);
|
|
CORE_DECLARE(status_t) mme_ue_remove(mme_ue_t *mme_ue);
|
|
CORE_DECLARE(status_t) mme_ue_remove_all();
|
|
|
|
CORE_DECLARE(mme_ue_t*) mme_ue_find(index_t index);
|
|
CORE_DECLARE(mme_ue_t*) mme_ue_find_by_imsi(c_uint8_t *imsi, int imsi_len);
|
|
CORE_DECLARE(mme_ue_t*) mme_ue_find_by_imsi_bcd(c_int8_t *imsi_bcd);
|
|
CORE_DECLARE(mme_ue_t*) mme_ue_find_by_guti(guti_t *guti);
|
|
CORE_DECLARE(mme_ue_t*) mme_ue_find_by_teid(c_uint32_t teid);
|
|
|
|
CORE_DECLARE(mme_ue_t*) mme_ue_find_by_message(nas_message_t *message);
|
|
CORE_DECLARE(status_t) mme_ue_set_imsi(
|
|
mme_ue_t *mme_ue, c_int8_t *imsi_bcd);
|
|
|
|
/*
|
|
* o RECV Initial UE-Message : S-TMSI
|
|
* o RECV Attach Request : IMSI, GUTI
|
|
* o RECV TAU Request : GUTI
|
|
* ### MME_UE_ASSOCIATE_ENB_UE() ###
|
|
* ### MME_UE_ECM_CONNECTED() ###
|
|
*
|
|
* o RECV Initial Context Setup Failure in EMM Registered State
|
|
* ### MME_UE_DEASSOCIATE_ENB_UE() ###
|
|
* ### ENB_UE_REMOVE() ###
|
|
* ### MME_UE_DEASSOCIATE() ###
|
|
*
|
|
* o SEND UE Context Release Command with NO_ACTION
|
|
* - RECV UE Context Release Complete
|
|
* ### ENB_UE_REMOVE() ###
|
|
* ### MME_UE_DEASSOCIATE() ###
|
|
*
|
|
* o SEND UE Context Release Command with REMOVE_MME_UE_CONTEXT
|
|
* - RECV UE Context Release Complete
|
|
* ### ENB_UE_REMOVE() ###
|
|
* ### MME_UE_REMOVE() ###
|
|
*
|
|
*
|
|
* o RECV Handover Required
|
|
* ### SOURCE_UE_ASSOCIATE_TARGET_UE() ####
|
|
* - SEND Handover Request
|
|
*
|
|
* o RECV Handover Notify
|
|
* ### MME_UE_ASSOCIATE_ENB_UE(TARGET) ###
|
|
* ### MME_UE_ECM_CONNECTED(TARGET) ###
|
|
* - Modify Bearer Request/Response
|
|
* - UE Context Release Command/Complete
|
|
* ### SOURCE_UE_DEASSOCIATE_TARGET_UE() ####
|
|
* ### ENB_UE_REMOVE() ####
|
|
* - Delete Indirect Data Forwarding Tunnel Request/Response
|
|
*
|
|
* o RECV Handover Cancel
|
|
* - UE Context Release Command/Complete
|
|
* ### SOURCE_UE_DEASSOCIATE_TARGET_UE() ####
|
|
* ### ENB_UE_REMOVE() ####
|
|
* - Delete Indirect Data Forwarding Tunnel Request/Response
|
|
*
|
|
* o RECV Handover Failure
|
|
* - UE Context Release Command/Complete
|
|
* ### SOURCE_UE_DEASSOCIATE_TARGET_UE() ####
|
|
* ### ENB_UE_REMOVE() ####
|
|
* - Delete Indirect Data Forwarding Tunnel Request/Response
|
|
*/
|
|
CORE_DECLARE(status_t) mme_ue_associate_enb_ue(
|
|
mme_ue_t *mme_ue, enb_ue_t *enb_ue);
|
|
CORE_DECLARE(status_t) enb_ue_deassociate(enb_ue_t *enb_ue);
|
|
CORE_DECLARE(status_t) mme_ue_deassociate(mme_ue_t *mme_ue);
|
|
CORE_DECLARE(status_t) source_ue_associate_target_ue(
|
|
enb_ue_t *source_ue, enb_ue_t *target_ue);
|
|
CORE_DECLARE(status_t) source_ue_deassociate_target_ue(enb_ue_t *enb_ue);
|
|
|
|
CORE_DECLARE(hash_index_t *) mme_ue_first();
|
|
CORE_DECLARE(hash_index_t *) mme_ue_next(hash_index_t *hi);
|
|
CORE_DECLARE(mme_ue_t *) mme_ue_this(hash_index_t *hi);
|
|
|
|
CORE_DECLARE(mme_sess_t*) mme_sess_add(mme_ue_t *mme_ue, c_uint8_t pti);
|
|
CORE_DECLARE(status_t ) mme_sess_remove(mme_sess_t *sess);
|
|
CORE_DECLARE(status_t ) mme_sess_remove_all(mme_ue_t *mme_ue);
|
|
CORE_DECLARE(mme_sess_t*) mme_sess_find(index_t index);
|
|
CORE_DECLARE(mme_sess_t*) mme_sess_find_by_pti(
|
|
mme_ue_t *mme_ue, c_uint8_t pti);
|
|
CORE_DECLARE(mme_sess_t*) mme_sess_find_by_ebi(
|
|
mme_ue_t *mme_ue, c_uint8_t ebi);
|
|
CORE_DECLARE(mme_sess_t*) mme_sess_find_by_apn(
|
|
mme_ue_t *mme_ue, c_int8_t *apn);
|
|
CORE_DECLARE(mme_sess_t*) mme_sess_first(mme_ue_t *mme_ue);
|
|
CORE_DECLARE(mme_sess_t*) mme_sess_next(mme_sess_t *sess);
|
|
CORE_DECLARE(unsigned int) mme_sess_count(mme_ue_t *mme_ue);
|
|
|
|
CORE_DECLARE(mme_bearer_t*) mme_bearer_add(mme_sess_t *sess);
|
|
CORE_DECLARE(status_t) mme_bearer_remove(mme_bearer_t *bearer);
|
|
CORE_DECLARE(status_t) mme_bearer_remove_all(mme_sess_t *sess);
|
|
CORE_DECLARE(mme_bearer_t*) mme_bearer_find(index_t index);
|
|
CORE_DECLARE(mme_bearer_t*) mme_bearer_find_by_sess_ebi(
|
|
mme_sess_t *sess, c_uint8_t ebi);
|
|
CORE_DECLARE(mme_bearer_t*) mme_bearer_find_by_ue_ebi(
|
|
mme_ue_t *mme_ue, c_uint8_t ebi);
|
|
CORE_DECLARE(mme_bearer_t*) mme_bearer_find_or_add_by_message(
|
|
mme_ue_t *mme_ue, nas_message_t *message);
|
|
CORE_DECLARE(mme_bearer_t*) mme_default_bearer_in_sess(mme_sess_t *sess);
|
|
CORE_DECLARE(mme_bearer_t*) mme_linked_bearer(mme_bearer_t *bearer);
|
|
CORE_DECLARE(mme_bearer_t*) mme_bearer_first(mme_sess_t *sess);
|
|
CORE_DECLARE(mme_bearer_t*) mme_bearer_next(mme_bearer_t *bearer);
|
|
|
|
CORE_DECLARE(int) mme_bearer_is_inactive(mme_ue_t *mme_ue);
|
|
CORE_DECLARE(status_t) mme_bearer_set_inactive(mme_ue_t *mme_ue);
|
|
|
|
CORE_DECLARE(pdn_t*) mme_pdn_add(mme_ue_t *mme_ue, c_int8_t *apn);
|
|
CORE_DECLARE(status_t) mme_pdn_remove_all(mme_ue_t *mme_ue);
|
|
CORE_DECLARE(pdn_t*) mme_pdn_find_by_apn(
|
|
mme_ue_t *mme_ue, c_int8_t *apn);
|
|
CORE_DECLARE(pdn_t*) mme_default_pdn(mme_ue_t *mme_ue);
|
|
|
|
CORE_DECLARE(int) mme_find_served_tai(tai_t *tai);
|
|
|
|
CORE_DECLARE(status_t) mme_m_tmsi_pool_generate();
|
|
CORE_DECLARE(mme_m_tmsi_t *) mme_m_tmsi_alloc();
|
|
CORE_DECLARE(status_t) mme_m_tmsi_free(mme_m_tmsi_t *tmsi);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* __MME_CONTEXT__ */
|