diff options
Diffstat (limited to 'openbsc/include')
| -rw-r--r-- | openbsc/include/openbsc/Makefile.am | 2 | ||||
| -rw-r--r-- | openbsc/include/openbsc/a_iface.h | 25 | ||||
| -rw-r--r-- | openbsc/include/openbsc/a_iface_bssap.h | 47 | ||||
| -rw-r--r-- | openbsc/include/openbsc/gsm_data.h | 5 | ||||
| -rw-r--r-- | openbsc/include/openbsc/iu.h | 2 | ||||
| -rw-r--r-- | openbsc/include/openbsc/msc_ifaces.h | 19 | ||||
| -rw-r--r-- | openbsc/include/openbsc/osmo_msc.h | 3 |
7 files changed, 93 insertions, 10 deletions
diff --git a/openbsc/include/openbsc/Makefile.am b/openbsc/include/openbsc/Makefile.am index 14396b74a..84f3250a3 100644 --- a/openbsc/include/openbsc/Makefile.am +++ b/openbsc/include/openbsc/Makefile.am @@ -2,6 +2,8 @@ noinst_HEADERS = \ abis_nm.h \ abis_om2000.h \ abis_rsl.h \ + a_iface.h \ + a_iface_bssap.h \ arfcn_range_encode.h \ auth.h \ bsc_msc.h \ diff --git a/openbsc/include/openbsc/a_iface.h b/openbsc/include/openbsc/a_iface.h new file mode 100644 index 000000000..d5c5f9efb --- /dev/null +++ b/openbsc/include/openbsc/a_iface.h @@ -0,0 +1,25 @@ +/* (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/>. + * + */ + +/* Initalize A interface connection between to MSC and BSC */ +int a_init(void *ctx, const char *name, uint32_t local_pc, const char *listen_addr, + const char *remote_addr, uint16_t local_port, struct gsm_network *network); + +#pragma once diff --git a/openbsc/include/openbsc/a_iface_bssap.h b/openbsc/include/openbsc/a_iface_bssap.h new file mode 100644 index 000000000..2b489730f --- /dev/null +++ b/openbsc/include/openbsc/a_iface_bssap.h @@ -0,0 +1,47 @@ +/* (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 + +/* A structure to hold tha most basic information about a sigtran connection + * we use this struct internally here to pass connection data around */ +struct conn_info { + struct osmo_sccp_addr *called_addr; + struct osmo_sccp_addr *calling_addr; + int conn_id; + struct gsm_network *network; +}; + +/* A structure to pack BSC clling addresses into a list */ +struct bsc_addr { + struct llist_head list; + struct osmo_sccp_addr called_addr; + struct osmo_sccp_addr calling_addr; + struct osmo_sccp_user *scu; +}; + +/* Handle incoming connection less data messages */ +void msc_handle_udt(struct osmo_sccp_user *scu, struct conn_info *conn_info, struct msgb *msg); + +/* Handle incoming connection oriented messages */ +int msc_handle_dt1(struct osmo_sccp_user *scu, struct conn_info *conn_info, struct msgb *msg); + +/* Get a list with all known BSCs */ +struct llist_head *get_bsc_addr_list(void); diff --git a/openbsc/include/openbsc/gsm_data.h b/openbsc/include/openbsc/gsm_data.h index 971745980..a0aade64b 100644 --- a/openbsc/include/openbsc/gsm_data.h +++ b/openbsc/include/openbsc/gsm_data.h @@ -195,6 +195,11 @@ struct gsm_subscriber_connection { uint16_t mgcp_rtp_port_cn; uint8_t rab_id; } iu; + + struct { + struct osmo_sccp_user *scu; + int conn_id; + } a; }; diff --git a/openbsc/include/openbsc/iu.h b/openbsc/include/openbsc/iu.h index 0cc16d011..a0c481aae 100644 --- a/openbsc/include/openbsc/iu.h +++ b/openbsc/include/openbsc/iu.h @@ -80,3 +80,5 @@ int iu_tx_release(struct ue_conn_ctx *ctx, const struct RANAP_Cause *cause); void iu_vty_init(int iu_parent_node, enum nsap_addr_enc *rab_assign_addr_enc); int iu_vty_config_write(struct vty *vty, const char *indent); + +struct ue_conn_ctx *ue_conn_ctx_alloc(struct osmo_sccp_addr *addr, uint32_t conn_id); diff --git a/openbsc/include/openbsc/msc_ifaces.h b/openbsc/include/openbsc/msc_ifaces.h index 2965c72c5..942e1cebd 100644 --- a/openbsc/include/openbsc/msc_ifaces.h +++ b/openbsc/include/openbsc/msc_ifaces.h @@ -28,20 +28,18 @@ /* Each main linkage must implement this function (see comment above). */ extern int iu_tx(struct msgb *msg, uint8_t sapi); -/* So far this is a dummy implemented in libmsc/a_iface.c. When A-interface - * gets implemented, it should be in a separate lib (like libiu), this function - * should move there, and the following comment should remain here: " - * Each main linkage must implement this function (see comment above). - * " */ +/* FIXME: Maybe the function prototypes that are implemented in a_iface.c + * should be moved to a_iface.h too? */ + +/* Send DTAP message via A-interface (see also: a_iface.c) */ extern int a_tx(struct msgb *msg); -/* So far this is a dummy implemented in libmsc/a_iface.c. When A-interface - * gets implemented, it should be in a separate lib (like libiu), this function - * should move there, and the following comment should remain here: " - * Each main linkage must implement this function (see comment above). - * " */ +/* Page a subscriber via A-interface (see also: a_iface.c) */ extern int a_page(const char *imsi, uint32_t tmsi, uint16_t lac); +/* Send assignment request via A-interface */ +extern int a_assign(struct gsm_trans *trans); + int msc_tx_dtap(struct gsm_subscriber_connection *conn, struct msgb *msg); @@ -50,6 +48,7 @@ int msc_gsm48_tx_mm_serv_rej(struct gsm_subscriber_connection *conn, enum gsm48_reject_value value); /* TODO: specific to A interface, move this away */ +/* Send Cipher mode command via A-interface (see also: a_iface.c) */ int msc_gsm0808_tx_cipher_mode(struct gsm_subscriber_connection *conn, int cipher, const uint8_t *key, int len, int include_imeisv); diff --git a/openbsc/include/openbsc/osmo_msc.h b/openbsc/include/openbsc/osmo_msc.h index fa7ea293d..6a3b36761 100644 --- a/openbsc/include/openbsc/osmo_msc.h +++ b/openbsc/include/openbsc/osmo_msc.h @@ -69,6 +69,9 @@ void msc_dtap(struct gsm_subscriber_connection *conn, uint8_t link_id, 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_subscr_conn_init(void); bool msc_subscr_conn_is_accepted(struct gsm_subscriber_connection *conn); |