2017-04-06 11:10:00 +00:00
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#ifndef __MME_CONTEXT__
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#define __MME_CONTEXT__
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2017-02-06 06:30:12 +00:00
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#include "core_list.h"
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2017-04-10 14:59:59 +00:00
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#include "core_index.h"
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2017-02-06 10:12:10 +00:00
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#include "core_errno.h"
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2017-02-13 04:19:53 +00:00
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#include "core_net.h"
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2017-03-06 12:45:41 +00:00
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#include "core_sha2.h"
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2017-04-06 12:44:30 +00:00
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#include "core_hash.h"
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2017-02-13 04:19:53 +00:00
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2017-04-06 08:10:26 +00:00
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#include "3gpp_common.h"
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2017-03-26 06:57:46 +00:00
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#include "nas_types.h"
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2017-03-28 07:35:57 +00:00
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#include "gtp_xact.h"
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2017-03-26 15:48:33 +00:00
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2017-04-04 01:49:19 +00:00
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#include "mme_sm.h"
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2017-02-06 06:30:12 +00:00
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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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2017-03-05 04:03:11 +00:00
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#define CODE_PER_MME 256 /* According to spec it is 256 */
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2017-02-13 04:19:53 +00:00
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2017-02-06 06:30:12 +00:00
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typedef struct _served_gummei {
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2017-02-06 10:12:10 +00:00
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c_uint32_t num_of_plmn_id;
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2017-03-24 14:01:44 +00:00
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plmn_id_t plmn_id[MAX_PLMN_ID];
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2017-02-06 06:30:12 +00:00
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2017-02-13 05:41:20 +00:00
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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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2017-02-06 06:30:12 +00:00
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} srvd_gummei_t;
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2017-04-06 11:10:00 +00:00
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typedef struct _mme_context_t {
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2017-04-12 12:20:00 +00:00
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c_uint32_t mme_addr; /* MME local address */
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2017-03-27 04:22:42 +00:00
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c_uint32_t s1ap_addr; /* MME S1AP local address */
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c_uint16_t s1ap_port; /* MME S1AP local port */
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net_sock_t *s1ap_sock; /* MME S1AP local listen socket */
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c_uint32_t s11_addr; /* MME S11 local address */
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c_uint16_t s11_port; /* MME S11 local port */
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net_sock_t *s11_sock; /* MME S11 local listen socket */
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2017-02-13 04:19:53 +00:00
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2017-03-28 07:35:57 +00:00
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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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gtp_xact_ctx_t gtp_xact_ctx; /* GTP Transaction Context for MME */
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2017-03-06 08:55:50 +00:00
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2017-03-07 00:30:12 +00:00
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c_uint32_t mme_ue_s1ap_id; /** mme_ue_s1ap_id generator */
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2017-03-24 14:01:44 +00:00
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plmn_id_t plmn_id;
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2017-02-13 04:19:53 +00:00
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2017-03-07 00:30:12 +00:00
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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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2017-03-07 05:47:17 +00:00
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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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2017-03-07 00:30:12 +00:00
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2017-02-14 00:09:01 +00:00
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/* S1SetupRequest */
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c_uint16_t tracking_area_code;
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c_uint16_t default_paging_drx;
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/* S1SetupResponse */
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srvd_gummei_t srvd_gummei;
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2017-02-13 04:19:53 +00:00
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c_uint8_t relative_capacity;
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2017-04-06 11:58:13 +00:00
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list_t sgw_list;
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list_t enb_list;
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2017-04-06 12:44:30 +00:00
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hash_t *mme_ue_s1ap_id_hash; /* hash table for MME-UE-S1AP-ID */
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2017-04-06 11:10:00 +00:00
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} mme_context_t;
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2017-02-06 06:30:12 +00:00
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2017-04-06 11:10:00 +00:00
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typedef struct _mme_sgw_t {
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2017-03-27 04:22:42 +00:00
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gtp_node_t gnode; /* SGW S11 remote GTPv2-C node */
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2017-03-26 15:48:33 +00:00
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2017-04-06 11:10:00 +00:00
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} mme_sgw_t;
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2017-03-26 15:48:33 +00:00
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2017-04-06 11:10:00 +00:00
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typedef struct _mme_enb_t {
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2017-04-11 00:19:33 +00:00
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lnode_t node; /**< A node of list_t */
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2017-04-11 09:59:10 +00:00
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index_t index; /**< An index of this node */
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2017-04-11 00:32:34 +00:00
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fsm_t sm;
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2017-02-13 04:19:53 +00:00
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2017-03-05 04:03:11 +00:00
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c_uint32_t enb_id; /** eNB_ID received from eNB */
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net_sock_t *s1ap_sock;
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2017-04-06 10:33:27 +00:00
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list_t ue_list;
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2017-02-13 04:19:53 +00:00
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2017-04-06 11:10:00 +00:00
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} mme_enb_t;
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2017-02-13 04:19:53 +00:00
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2017-04-06 11:10:00 +00:00
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typedef struct _mme_ue_t {
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2017-04-11 00:19:33 +00:00
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lnode_t node; /**< A node of list_t */
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2017-04-11 09:59:10 +00:00
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index_t index; /**< An index of this node */
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2017-04-11 00:32:34 +00:00
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fsm_t sm;
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2017-02-13 04:19:53 +00:00
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2017-03-07 00:30:12 +00:00
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/* State Machine */
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2017-03-06 08:55:50 +00:00
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2017-03-07 00:30:12 +00:00
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/* UE identity */
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2017-03-05 04:03:11 +00:00
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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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2017-04-09 15:27:19 +00:00
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c_uint8_t imsi[MAX_IMSI_LEN];
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2017-04-10 02:29:46 +00:00
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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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2017-02-13 04:19:53 +00:00
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2017-04-09 11:51:26 +00:00
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/* UE Info */
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2017-04-11 11:44:38 +00:00
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tai_t tai;
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e_cgi_t e_cgi;
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2017-04-09 11:51:26 +00:00
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plmn_id_t visited_plmn_id;
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2017-03-07 00:30:12 +00:00
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/* Security Context */
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2017-03-08 14:42:27 +00:00
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int security_context_available;
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2017-03-07 05:47:17 +00:00
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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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2017-03-06 08:55:50 +00:00
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c_uint8_t xres[MAX_RES_LEN];
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c_uint8_t xres_len;
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2017-03-06 12:45:41 +00:00
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c_uint8_t kasme[SHA256_DIGEST_SIZE];
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2017-04-11 02:54:00 +00:00
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c_uint8_t rand[RAND_LEN];
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c_uint8_t autn[AUTN_LEN];
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2017-03-07 00:30:12 +00:00
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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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2017-04-13 12:05:30 +00:00
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c_uint8_t kenb[SHA256_DIGEST_SIZE];
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2017-03-08 10:10:01 +00:00
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c_uint32_t dl_count;
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2017-03-08 15:09:30 +00:00
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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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2017-03-05 08:36:16 +00:00
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2017-04-10 12:05:28 +00:00
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/* HSS Info */
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c_uint32_t ula_flags;
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c_uint32_t max_bandwidth_ul; /* bits per seconds */
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c_uint32_t max_bandwidth_dl; /* bits per seconds */
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2017-04-12 04:45:57 +00:00
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list_t pdn_list;
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2017-04-10 12:05:28 +00:00
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c_uint32_t subscribed_rau_tau_timer; /* seconds */
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2017-04-12 12:20:00 +00:00
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/* IMPORTANT!
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* MME-S11-TEID is same with an index */
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c_uint32_t mme_s11_teid;
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c_uint32_t mme_s11_addr;
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c_uint32_t sgw_s11_teid;
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c_uint32_t sgw_s11_addr;
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2017-04-12 04:45:57 +00:00
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/* ESM Info */
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2017-04-11 14:55:21 +00:00
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c_uint8_t ebi; /* EPS Bearer ID generator */
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2017-04-13 10:15:53 +00:00
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list_t bearer_list;
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2017-04-10 12:05:28 +00:00
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mme_enb_t *enb;
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2017-04-06 11:10:00 +00:00
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} mme_ue_t;
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2017-04-13 10:15:53 +00:00
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typedef struct _mme_bearer_t {
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2017-04-11 00:19:33 +00:00
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lnode_t node; /**< A node of list_t */
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2017-04-11 09:59:10 +00:00
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index_t index; /**< An index of this node */
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2017-04-11 00:32:34 +00:00
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fsm_t sm;
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2017-04-08 01:18:48 +00:00
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2017-04-11 14:55:21 +00:00
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c_uint8_t pti; /** Procedure Trasaction Identity */
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c_uint8_t ebi; /** EPS Bearer ID */
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2017-04-12 12:20:00 +00:00
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c_uint32_t enb_s1u_teid;
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c_uint32_t enb_s1u_addr;
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c_uint32_t sgw_s1u_teid;
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c_uint32_t sgw_s1u_addr;
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2017-04-11 10:14:18 +00:00
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2017-04-12 01:05:23 +00:00
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/* Protocol Configuration Options */
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c_uint8_t ue_pco[MAX_PCO_LEN];
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int ue_pco_len;
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c_uint8_t pgw_pco[MAX_PCO_LEN];
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int pgw_pco_len;
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2017-04-08 01:18:48 +00:00
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2017-04-11 09:59:10 +00:00
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mme_sgw_t *sgw;
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2017-04-11 12:38:24 +00:00
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pdn_t *pdn;
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mme_ue_t *ue;
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2017-04-13 10:15:53 +00:00
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} mme_bearer_t;
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2017-04-08 01:18:48 +00:00
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2017-04-06 11:10:00 +00:00
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CORE_DECLARE(status_t) mme_context_init(void);
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CORE_DECLARE(status_t) mme_context_final(void);
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CORE_DECLARE(mme_context_t*) mme_self(void);
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CORE_DECLARE(mme_sgw_t*) mme_sgw_add(void);
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CORE_DECLARE(status_t) mme_sgw_remove(mme_sgw_t *sgw);
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CORE_DECLARE(status_t) mme_sgw_remove_all(void);
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CORE_DECLARE(mme_sgw_t*) mme_sgw_find_by_node(gtp_node_t *gnode);
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CORE_DECLARE(mme_sgw_t*) mme_sgw_first(void);
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CORE_DECLARE(mme_sgw_t*) mme_sgw_next(mme_sgw_t *sgw);
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2017-04-08 01:45:48 +00:00
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CORE_DECLARE(mme_enb_t*) mme_enb_add(net_sock_t *s1ap_sock);
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2017-04-06 11:10:00 +00:00
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CORE_DECLARE(status_t) mme_enb_remove(mme_enb_t *enb);
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CORE_DECLARE(status_t) mme_enb_remove_all(void);
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2017-04-11 00:19:33 +00:00
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CORE_DECLARE(mme_enb_t*) mme_enb_find(index_t index);
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2017-04-06 11:10:00 +00:00
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CORE_DECLARE(mme_enb_t*) mme_enb_find_by_sock(net_sock_t *sock);
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CORE_DECLARE(mme_enb_t*) mme_enb_find_by_enb_id(c_uint32_t enb_id);
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CORE_DECLARE(mme_enb_t*) mme_enb_first(void);
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CORE_DECLARE(mme_enb_t*) mme_enb_next(mme_enb_t *enb);
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CORE_DECLARE(mme_ue_t*) mme_ue_add(mme_enb_t *enb);
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CORE_DECLARE(status_t) mme_ue_remove(mme_ue_t *ue);
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2017-04-06 12:44:30 +00:00
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CORE_DECLARE(status_t) mme_ue_remove_all();
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2017-04-10 14:59:59 +00:00
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CORE_DECLARE(mme_ue_t*) mme_ue_find(index_t index);
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2017-04-06 12:44:30 +00:00
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CORE_DECLARE(mme_ue_t*) mme_ue_find_by_mme_ue_s1ap_id(
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c_uint32_t mme_ue_s1ap_id);
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2017-04-12 12:20:00 +00:00
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CORE_DECLARE(mme_ue_t*) mme_ue_find_by_teid(c_uint32_t teid);
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2017-04-06 12:44:30 +00:00
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CORE_DECLARE(hash_index_t *) mme_ue_first();
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CORE_DECLARE(hash_index_t *) mme_ue_next(hash_index_t *hi);
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CORE_DECLARE(mme_ue_t *) mme_ue_this(hash_index_t *hi);
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CORE_DECLARE(unsigned int) mme_ue_count();
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CORE_DECLARE(status_t) mme_ue_remove_in_enb(mme_enb_t *enb);
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2017-04-06 11:10:00 +00:00
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CORE_DECLARE(mme_ue_t*) mme_ue_find_by_enb_ue_s1ap_id(
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mme_enb_t *enb, c_uint32_t enb_ue_s1ap_id);
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2017-04-06 12:44:30 +00:00
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CORE_DECLARE(mme_ue_t*) mme_ue_first_in_enb(mme_enb_t *enb);
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CORE_DECLARE(mme_ue_t*) mme_ue_next_in_enb(mme_ue_t *ue);
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2017-03-05 04:03:11 +00:00
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2017-04-13 10:15:53 +00:00
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CORE_DECLARE(mme_bearer_t*) mme_bearer_add(mme_ue_t *ue, c_uint8_t pti);
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CORE_DECLARE(status_t) mme_bearer_remove(mme_bearer_t *bearer);
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CORE_DECLARE(status_t) mme_bearer_remove_all(mme_ue_t *ue);
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CORE_DECLARE(mme_bearer_t*) mme_bearer_find(index_t index);
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CORE_DECLARE(mme_bearer_t*) mme_bearer_find_by_pti(mme_ue_t *ue, c_uint8_t pti);
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CORE_DECLARE(mme_bearer_t*) mme_bearer_find_by_ebi(mme_ue_t *ue, c_uint8_t ebi);
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CORE_DECLARE(mme_bearer_t*) mme_bearer_first(mme_ue_t *ue);
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CORE_DECLARE(mme_bearer_t*) mme_bearer_next(mme_bearer_t *bearer);
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2017-04-08 01:18:48 +00:00
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2017-04-12 04:45:57 +00:00
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CORE_DECLARE(pdn_t*) mme_pdn_add(mme_ue_t *ue, c_int8_t *apn);
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CORE_DECLARE(status_t) mme_pdn_remove(pdn_t *pdn);
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CORE_DECLARE(status_t) mme_pdn_remove_all(mme_ue_t *ue);
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CORE_DECLARE(pdn_t*) mme_pdn_find_by_apn(mme_ue_t *ue, c_int8_t *apn);
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CORE_DECLARE(pdn_t*) mme_pdn_first(mme_ue_t *ue);
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CORE_DECLARE(pdn_t*) mme_pdn_next(pdn_t *pdn);
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2017-02-06 06:30:12 +00:00
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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2017-04-06 11:10:00 +00:00
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#endif /* __MME_CONTEXT__ */
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