#pragma once /* 3GPP TS 24.008, private header */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define GPRS_GMM_SESS_ID_UNASSIGNED (0xffffffff) extern int g_gmm_log_cat[_OSMO_GPRS_GMM_LOGC_MAX]; #define LOGGMM(lvl, fmt, args...) LOGP(g_gmm_log_cat[OSMO_GPRS_GMM_LOGC_GMM], lvl, fmt, ## args) #define msgb_gmm_prim(msg) ((struct osmo_gprs_gmm_prim *)(msg)->l1h) struct gprs_gmm_ctx { enum osmo_gprs_gmm_location location; osmo_gprs_gmm_prim_up_cb gmm_up_cb; void *gmm_up_cb_user_data; osmo_gprs_gmm_prim_down_cb gmm_down_cb; void *gmm_down_cb_user_data; osmo_gprs_gmm_prim_llc_down_cb gmm_llc_down_cb; void *gmm_llc_down_cb_user_data; /* GPRS enabled in the system: 3GPP TS 24.008 Figure 4.1b, * transition GMM-NULL<->GMM-DEREGISTERED */ bool gprs_enabled; struct osmo_tdef *T_defs; /* timers controlled by GMM layer */ struct llist_head gmme_list; /* list of struct gprs_gmm_entity->list */ }; extern struct gprs_gmm_ctx *g_gmm_ctx; /* GMM Entity: */ struct gprs_gmm_entity { struct llist_head list; /* item in (struct gprs_gmm_ctx)->gmme_list */ struct gprs_gmm_ms_fsm_ctx ms_fsm; uint32_t sess_id; /* Used to identify the GMME in GMMSM SAP */ uint32_t ptmsi_sig; /* 3 bytes */ uint32_t ptmsi; uint32_t old_ptmsi; uint32_t tlli; uint32_t old_tlli; char imsi[OSMO_IMSI_BUF_SIZE]; char imei[GSM23003_IMEI_NUM_DIGITS + 1]; char imeisv[GSM23003_IMEISV_NUM_DIGITS+1]; uint8_t radio_prio_sms; /* TS 24.008 10.5.7.2 */ uint8_t radio_prio_tom8; /* TS 24.008 10.5.7.2 */ struct gprs_ra_id ra; /* TS 24.008 10.5.5.15 (decoded) */ bool pdp_ctx_status_present; uint8_t pdp_ctx_status[2]; /* TS 24.008 10.5.7.1 */ bool rx_npdu_numbers_list_present; uint8_t rx_npdu_numbers_list[17]; /* TS 24.008 10.5.5.11 */ uint8_t rx_npdu_numbers_list_len; /* bitmask TS 24.008 10.5.5.11 */ struct { /* Input params received from network: */ struct { uint8_t ac_ref_nr; uint8_t key_seq; uint8_t rand[16]; /* max 16 * 8 = 128 bits */ bool imeisv_requested; } req; uint8_t gea; /* GEA/0 = 0, GEA/1 = 1, ... */ uint8_t kc[16]; /* max 16 * 8 = 128 bits */ } auth_ciph; unsigned long t3302; unsigned long t3346; /* READY timer, TS 24.008 4.7.2.1.1 */ struct osmo_timer_list t3314; unsigned long t3314_assigned_sec; /* value assigned by the network */ struct osmo_timer_list t3312; /* periodic RAU, in seconds */ unsigned long t3312_assigned_sec; /* value assigned by the network */ struct osmo_timer_list t3316; /* Delete stored RAND & SRES */ /* network name */ char name_long[32]; char name_short[32]; }; /* gmm_prim.c: */ int gprs_gmm_prim_call_up_cb(struct osmo_gprs_gmm_prim *gmm_prim); int gprs_gmm_prim_call_down_cb(struct osmo_gprs_gmm_prim *gmm_prim); int gprs_gmm_prim_call_llc_down_cb(struct osmo_gprs_llc_prim *llc_prim); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmreg_attach_cnf(void); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmreg_detach_cnf(void); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmreg_sim_auth_ind(void); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmrr_assign_req(uint32_t old_tlli, uint32_t new_tlli); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmbssgp_paging_req(uint16_t bvci, uint16_t nsei); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmbssgp_ra_capability_req(uint16_t bvci, uint16_t nsei); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmbssgp_ra_capability_update_resp(uint16_t bvci, uint16_t nsei); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmbssgp_ms_registration_enquiry_resp(uint16_t bvci, uint16_t nsei); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmsm_establish_cnf(uint32_t id, uint8_t cause); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmsm_release_ind(uint32_t id); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmsm_unitdata_ind(uint32_t id, uint8_t *smpdu, unsigned int smpdu_len); struct osmo_gprs_gmm_prim *gprs_gmm_prim_alloc_gmmsm_modify_ind(uint32_t id); /* gmm.c: */ struct gprs_gmm_entity *gprs_gmm_gmme_alloc(uint32_t ptmsi, const char *imsi); void gprs_gmm_gmme_free(struct gprs_gmm_entity *gmme); struct gprs_gmm_entity *gprs_gmm_gmme_find_or_create_by_ptmsi_imsi(uint32_t ptmsi, const char *imsi); struct gprs_gmm_entity *gprs_gmm_find_gmme_by_ptmsi(uint32_t ptmsi); struct gprs_gmm_entity *gprs_gmm_find_gmme_by_imsi(const char *imsi); struct gprs_gmm_entity *gprs_gmm_find_gmme_by_tlli(uint32_t tlli); struct gprs_gmm_entity *gprs_gmm_find_gmme_by_sess_id(uint32_t id); uint32_t gprs_gmm_alloc_rand_tlli(void); void gprs_gmm_gmme_ready_timer_start(struct gprs_gmm_entity *gmme); void gprs_gmm_gmme_ready_timer_stop(struct gprs_gmm_entity *gmme); bool gprs_gmm_gmme_ready_timer_running(const struct gprs_gmm_entity *gmme); void gprs_gmm_gmme_t3312_start(struct gprs_gmm_entity *gmme); void gprs_gmm_gmme_t3312_stop(struct gprs_gmm_entity *gmme); void gprs_gmm_gmme_t3316_start(struct gprs_gmm_entity *gmme); void gprs_gmm_gmme_t3316_stop(struct gprs_gmm_entity *gmme); int gprs_gmm_rx(struct gprs_gmm_entity *gmme, struct gsm48_hdr *gh, unsigned int len); int gprs_gmm_tx_att_req(struct gprs_gmm_entity *gmme, enum osmo_gprs_gmm_attach_type attach_type, bool attach_with_imsi); int gprs_gmm_tx_detach_req(struct gprs_gmm_entity *gmme, enum osmo_gprs_gmm_detach_ms_type detach_type, enum osmo_gprs_gmm_detach_poweroff_type poweroff_type); int gprs_gmm_tx_rau_req(struct gprs_gmm_entity *gmme, enum gprs_gmm_upd_type rau_type); int gprs_gmm_tx_auth_ciph_resp(const struct gprs_gmm_entity *gmme, const uint8_t *sres); int gprs_gmm_tx_auth_ciph_fail(struct gprs_gmm_entity *gmme, enum gsm48_gmm_cause cause); int gprs_gmm_submit_gmmreg_attach_cnf(struct gprs_gmm_entity *gmme, bool accepted, uint8_t cause); int gprs_gmm_submit_gmmsm_establish_cnf(struct gprs_gmm_entity *gmme, bool accepted, uint8_t cause); int gprs_gmm_submit_gmmsm_release_ind(struct gprs_gmm_entity *gmme); int gprs_gmm_submit_gmmsm_modify_ind(struct gprs_gmm_entity *gmme); int gprs_gmm_submit_llgmm_assing_req(const struct gprs_gmm_entity *gmme); /* misc.c */ int gprs_gmm_gprs_tmr_to_secs(uint8_t gprs_tmr); uint8_t gprs_gmm_secs_to_gprs_tmr_floor(int secs); int gprs_gmm_decode_network_name(char *name, int name_len, const uint8_t *lv); #define LOGGMME(gmme, level, fmt, args...) \ LOGGMM(level, "GMME(IMSI-%s:PTMSI-%08x:TLLI-%08x) " fmt, \ gmme->imsi, \ gmme->ptmsi, \ gmme->tlli, \ ## args)