| /* Routines for the MSC handling */ |
| |
| #ifndef OSMO_MSC_H |
| #define OSMO_MSC_H |
| |
| #include <osmocom/core/fsm.h> |
| #include <osmocom/gsm/gsup.h> |
| |
| #include <osmocom/msc/gsm_data.h> |
| |
| #define MSC_HLR_REMOTE_IP_DEFAULT "127.0.0.1" |
| #define MSC_HLR_REMOTE_PORT_DEFAULT OSMO_GSUP_PORT |
| |
| enum subscr_conn_fsm_event { |
| /* Mark 0 as invalid to catch uninitialized vars */ |
| SUBSCR_CONN_E_INVALID = 0, |
| /* Accepted the initial Complete Layer 3 (starting to evaluate Authentication and Ciphering) */ |
| SUBSCR_CONN_E_COMPLETE_LAYER_3, |
| /* LU or Process Access FSM has determined that this conn is good */ |
| SUBSCR_CONN_E_ACCEPTED, |
| /* received first reply from MS in "real" CC, SMS, USSD communication */ |
| SUBSCR_CONN_E_COMMUNICATING, |
| /* Some async action has completed, check again whether all is done */ |
| SUBSCR_CONN_E_RELEASE_WHEN_UNUSED, |
| /* MS/BTS/BSC originated close request */ |
| SUBSCR_CONN_E_MO_CLOSE, |
| /* MSC originated close request, e.g. failed authentication */ |
| SUBSCR_CONN_E_CN_CLOSE, |
| /* The usage count for the conn has reached zero */ |
| SUBSCR_CONN_E_UNUSED, |
| }; |
| |
| enum subscr_conn_fsm_state { |
| SUBSCR_CONN_S_NEW, |
| SUBSCR_CONN_S_AUTH_CIPH, |
| SUBSCR_CONN_S_ACCEPTED, |
| SUBSCR_CONN_S_COMMUNICATING, |
| SUBSCR_CONN_S_RELEASING, |
| SUBSCR_CONN_S_RELEASED, |
| }; |
| |
| enum msc_compl_l3_rc { |
| MSC_CONN_ACCEPT = 0, |
| MSC_CONN_REJECT = 1, |
| }; |
| |
| struct gsm_subscriber_connection *msc_subscr_conn_alloc(struct gsm_network *network, |
| enum ran_type via_ran, uint16_t lac); |
| |
| void msc_subscr_conn_update_id(struct gsm_subscriber_connection *conn, |
| enum complete_layer3_type from, const char *id); |
| char *msc_subscr_conn_get_conn_id(struct gsm_subscriber_connection *conn); |
| |
| void msc_subscr_conn_complete_layer_3(struct gsm_subscriber_connection *conn); |
| |
| int msc_vlr_alloc(struct gsm_network *net); |
| int msc_vlr_start(struct gsm_network *net); |
| |
| void msc_sapi_n_reject(struct gsm_subscriber_connection *conn, int dlci); |
| int msc_clear_request(struct gsm_subscriber_connection *conn, uint32_t cause); |
| int msc_compl_l3(struct gsm_subscriber_connection *conn, |
| struct msgb *msg, uint16_t chosen_channel); |
| void msc_dtap(struct gsm_subscriber_connection *conn, uint8_t link_id, |
| struct msgb *msg); |
| void msc_cipher_mode_compl(struct gsm_subscriber_connection *conn, |
| struct msgb *msg, uint8_t alg_id); |
| void msc_rx_sec_mode_compl(struct gsm_subscriber_connection *conn); |
| void msc_classmark_chg(struct gsm_subscriber_connection *conn, |
| const uint8_t *cm2, uint8_t cm2_len, |
| const uint8_t *cm3, uint8_t cm3_len); |
| void msc_assign_fail(struct gsm_subscriber_connection *conn, |
| uint8_t cause, uint8_t *rr_cause); |
| |
| void msc_subscr_conn_init(void); |
| bool msc_subscr_conn_is_accepted(const struct gsm_subscriber_connection *conn); |
| bool msc_subscr_conn_is_establishing_auth_ciph(const struct gsm_subscriber_connection *conn); |
| void msc_subscr_conn_communicating(struct gsm_subscriber_connection *conn); |
| void msc_subscr_conn_close(struct gsm_subscriber_connection *conn, |
| uint32_t cause); |
| void msc_subscr_conn_mo_close(struct gsm_subscriber_connection *conn, uint32_t cause); |
| bool msc_subscr_conn_in_release(struct gsm_subscriber_connection *conn); |
| |
| void msc_subscr_conn_rx_bssmap_clear_complete(struct gsm_subscriber_connection *conn); |
| void msc_subscr_conn_rx_iu_release_complete(struct gsm_subscriber_connection *conn); |
| |
| enum msc_subscr_conn_use { |
| MSC_CONN_USE_UNTRACKED = -1, |
| MSC_CONN_USE_COMPL_L3, |
| MSC_CONN_USE_DTAP, |
| MSC_CONN_USE_AUTH_CIPH, |
| MSC_CONN_USE_CM_SERVICE, |
| MSC_CONN_USE_TRANS_CC, |
| MSC_CONN_USE_TRANS_SMS, |
| MSC_CONN_USE_TRANS_USSD, |
| MSC_CONN_USE_SILENT_CALL, |
| MSC_CONN_USE_RELEASE, |
| }; |
| |
| extern const struct value_string msc_subscr_conn_use_names[]; |
| static inline const char *msc_subscr_conn_use_name(enum msc_subscr_conn_use val) |
| { return get_value_string(msc_subscr_conn_use_names, val); } |
| |
| #define msc_subscr_conn_get(conn, balance_token) \ |
| _msc_subscr_conn_get(conn, balance_token, __BASE_FILE__, __LINE__) |
| #define msc_subscr_conn_put(conn, balance_token) \ |
| _msc_subscr_conn_put(conn, balance_token, __BASE_FILE__, __LINE__) |
| struct gsm_subscriber_connection * |
| _msc_subscr_conn_get(struct gsm_subscriber_connection *conn, |
| enum msc_subscr_conn_use balance_token, |
| const char *file, int line); |
| void _msc_subscr_conn_put(struct gsm_subscriber_connection *conn, |
| enum msc_subscr_conn_use balance_token, |
| const char *file, int line); |
| bool msc_subscr_conn_used_by(struct gsm_subscriber_connection *conn, |
| enum msc_subscr_conn_use token); |
| |
| void msc_stop_paging(struct vlr_subscr *vsub); |
| |
| #endif |