diff options
Diffstat (limited to 'include/osmocom/msc/osmo_msc.h')
-rw-r--r-- | include/osmocom/msc/osmo_msc.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/include/osmocom/msc/osmo_msc.h b/include/osmocom/msc/osmo_msc.h new file mode 100644 index 000000000..5f4713ee8 --- /dev/null +++ b/include/osmocom/msc/osmo_msc.h @@ -0,0 +1,99 @@ +/* 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> + +#include "bsc_api.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, + /* Timeout on connection establishment starts */ + SUBSCR_CONN_E_START, + /* 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_BUMP, + /* MS/BTS/BSC originated close request */ + SUBSCR_CONN_E_MO_CLOSE, + /* MSC originated close request, e.g. failed authentication */ + SUBSCR_CONN_E_CN_CLOSE, +}; + +enum subscr_conn_fsm_state { + SUBSCR_CONN_S_INIT, + SUBSCR_CONN_S_NEW, + SUBSCR_CONN_S_ACCEPTED, + SUBSCR_CONN_S_COMMUNICATING, + SUBSCR_CONN_S_RELEASED, +}; + +enum subscr_conn_from { + SUBSCR_CONN_FROM_INVALID, + SUBSCR_CONN_FROM_LU, + SUBSCR_CONN_FROM_CM_SERVICE_REQ, + SUBSCR_CONN_FROM_PAGING_RESP, +}; + +extern const struct value_string subscr_conn_from_names[]; +static inline const char *subscr_conn_from_name(enum subscr_conn_from val) +{ + return get_value_string(subscr_conn_from_names, val); +} + +enum msc_compl_l3_rc { + MSC_CONN_ACCEPT = 0, + MSC_CONN_REJECT = 1, +}; + +struct bsc_api *msc_bsc_api(); + +int msc_create_conn_fsm(struct gsm_subscriber_connection *conn, const char *id); + +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(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); + +#define msc_subscr_conn_get(conn) \ + _msc_subscr_conn_get(conn, __BASE_FILE__, __LINE__) +#define msc_subscr_conn_put(conn) \ + _msc_subscr_conn_put(conn, __BASE_FILE__, __LINE__) +struct gsm_subscriber_connection * +_msc_subscr_conn_get(struct gsm_subscriber_connection *conn, + const char *file, int line); +void _msc_subscr_conn_put(struct gsm_subscriber_connection *conn, + const char *file, int line); + +void msc_stop_paging(struct vlr_subscr *vsub); + +#endif |