76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/* OpenBSC BSC code */
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#ifndef OSMO_BSC_H
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#define OSMO_BSC_H
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#include "bsc_api.h"
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#include "bsc_msg_filter.h"
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#define BSS_SEND_USSD 1
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enum bsc_con {
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BSC_CON_SUCCESS,
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BSC_CON_REJECT_NO_LINK,
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BSC_CON_REJECT_RF_GRACE,
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BSC_CON_NO_MEM,
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};
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struct sccp_connection;
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struct bsc_msc_data;
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struct bsc_msc_connection;
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struct osmo_bsc_sccp_con {
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struct llist_head entry;
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int ciphering_handled;
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/* for audio handling */
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uint16_t cic;
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uint32_t rtp_ip;
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int rtp_port;
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/* for advanced ping/pong */
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int send_ping;
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/* SCCP connection realted */
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struct sccp_connection *sccp;
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struct bsc_msc_data *msc;
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struct osmo_timer_list sccp_it_timeout;
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struct osmo_timer_list sccp_cc_timeout;
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struct llist_head sccp_queue;
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unsigned int sccp_queue_size;
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struct gsm_subscriber_connection *conn;
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uint8_t new_subscriber;
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struct bsc_filter_state filter_state;
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/* Sigtran connection ID */
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int conn_id;
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};
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struct bsc_api *osmo_bsc_api();
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int bsc_queue_for_msc(struct osmo_bsc_sccp_con *conn, struct msgb *msg);
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int bsc_open_connection(struct osmo_bsc_sccp_con *sccp, struct msgb *msg);
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enum bsc_con bsc_create_new_connection(struct gsm_subscriber_connection *conn,
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struct bsc_msc_data *msc, int send_ping);
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int bsc_delete_connection(struct osmo_bsc_sccp_con *sccp);
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struct bsc_msc_data *bsc_find_msc(struct gsm_subscriber_connection *conn, struct msgb *);
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int bsc_scan_bts_msg(struct gsm_subscriber_connection *conn, struct msgb *msg);
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int bsc_scan_msc_msg(struct gsm_subscriber_connection *conn, struct msgb *msg);
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int bsc_send_welcome_ussd(struct gsm_subscriber_connection *conn);
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int bsc_handle_udt(struct bsc_msc_data *msc, struct msgb *msg, unsigned int length);
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int bsc_handle_dt(struct osmo_bsc_sccp_con *conn, struct msgb *msg, unsigned int len);
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int bsc_ctrl_cmds_install();
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void bsc_gen_location_state_trap(struct gsm_bts *bts);
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struct llist_head *bsc_access_lists(void);
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#endif
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