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/* (C) 2017 by Sysmocom s.f.m.c. GmbH
* All Rights Reserved
*
* Author: Philipp Maier
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include <openbsc/a_reset.h>
/* A struct to keep a context information about the BSCs we are associated with */
struct bsc_context {
struct llist_head list;
/* To be filled up by the user (VTY) */
struct osmo_sccp_addr called_addr; /* BSC (remote) */
struct osmo_sccp_addr calling_addr; /* MSC (local) */
/* Automatically filled up by a_init() */
struct a_reset_ctx reset; /* Reset FSM (one per BSC) */
struct osmo_sccp_user *sccp_user; /* SCCP user (the same for all) */
};
/* Initalize A interface connection between to MSC and BSC */
int a_init(void *ctx, struct osmo_sccp_instance *sccp, struct gsm_network *network);
/* Send DTAP message via A-interface */
int a_iface_tx_dtap(struct msgb *msg);
/* Send Cipher mode command via A-interface */
int a_iface_tx_cipher_mode(struct gsm_subscriber_connection *conn,
int cipher, const uint8_t *key, int len, int include_imeisv);
/* Page a subscriber via A-interface */
int a_iface_tx_paging(const char *imsi, uint32_t tmsi, uint16_t lac);
/* Send assignment request via A-interface */
int a_iface_tx_assignment(struct gsm_trans *trans);
/* Clear all subscriber connections on a specified BSC */
void a_clear_all(struct osmo_sccp_user *scu, struct osmo_sccp_addr *bsc_addr);
/* Delete info of a closed connection from the active connection list */
void a_delete_bsc_con(uint32_t conn_id);
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