Add SGs Interface
Add an SGs interface (3GPP TS 29.118) to osmo-msc in order to support SMS tunneling and Circuit Switched Fallback (CSFB) Change-Id: I73359925fc1ca72b33a1466e6ac41307f2f0b11d Related: OS#3615
This commit is contained in:
parent
c7de62cc53
commit
0df904dea9
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@ -23,11 +23,15 @@ noinst_HEADERS = \
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a_reset.h \
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ran_conn.h \
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rrlp.h \
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sgs_iface.h \
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sgs_server.h \
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sgs_vty.h \
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signal.h \
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silent_call.h \
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smpp.h \
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sms_queue.h \
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transaction.h \
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vlr.h \
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vlr_sgs.h \
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vty.h \
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$(NULL)
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@ -21,5 +21,6 @@ enum {
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DVLR,
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DIUCS,
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DBSSAP,
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DSGS,
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Debug_LastEntry,
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};
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@ -77,5 +77,6 @@ int gsm48_multirate_config(uint8_t *lv, const struct amr_multirate_conf *mr, con
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int gsm48_tch_rtp_create(struct gsm_trans *trans);
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int gsm48_conn_sendmsg(struct msgb *msg, struct ran_conn *conn, struct gsm_trans *trans);
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struct msgb *gsm48_create_mm_info(struct gsm_network *net);
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#endif
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@ -5,6 +5,7 @@
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/gsm/protocol/gsm_23_003.h>
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#include <osmocom/gsm/protocol/gsm_29_118.h>
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#include <osmocom/msc/gsm_data.h>
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@ -36,8 +37,8 @@ struct subscr_request {
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*/
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struct subscr_request *subscr_request_conn(struct vlr_subscr *vsub,
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gsm_cbfn *cbfn, void *param,
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const char *label);
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const char *label,
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enum sgsap_service_ind serv_ind);
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void subscr_remove_request(struct subscr_request *req);
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void subscr_paging_cancel(struct vlr_subscr *vsub, enum gsm_paging_event event);
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@ -208,6 +208,7 @@ bool ran_conn_in_release(struct ran_conn *conn);
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void ran_conn_rx_bssmap_clear_complete(struct ran_conn *conn);
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void ran_conn_rx_iu_release_complete(struct ran_conn *conn);
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void ran_conn_sgs_release_sent(struct ran_conn *conn);
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enum ran_conn_use {
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RAN_CONN_USE_UNTRACKED = -1,
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@ -0,0 +1,87 @@
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/* (C) 2018-2019 by sysmocom s.f.m.c. GmbH
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* All Rights Reserved
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*
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* Author: Harald Welte, Philipp Maier
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <osmocom/gsm/protocol/gsm_23_003.h>
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#include <osmocom/gsm/protocol/gsm_29_118.h>
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#include <osmocom/msc/vlr.h>
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#include <osmocom/msc/vlr_sgs.h>
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#include <osmocom/core/socket.h>
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static const unsigned int sgs_state_timer_defaults[_NUM_SGS_STATE_TIMERS] = {
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[SGS_STATE_TS5] = SGS_TS5_DEFAULT,
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[SGS_STATE_TS6_2] = SGS_TS6_2_DEFAULT,
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[SGS_STATE_TS7] = SGS_TS7_DEFAULT,
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[SGS_STATE_TS11] = SGS_TS11_DEFAULT,
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[SGS_STATE_TS14] = SGS_TS14_DEFAULT,
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[SGS_STATE_TS15] = SGS_TS15_DEFAULT,
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};
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static const unsigned int sgs_state_counter_defaults[_NUM_SGS_STATE_COUNTERS] = {
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[SGS_STATE_NS7] = SGS_NS7_DEFAULT,
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[SGS_STATE_NS11] = SGS_NS11_DEFAULT,
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};
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struct sgs_connection {
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/* global list of SGs connections */
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struct llist_head entry;
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/* back-pointer */
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struct sgs_state *sgs;
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/* Socket name from osmo_sock_get_name() */
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char sockname[OSMO_SOCK_NAME_MAXLEN];
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/* MME for this connection, if any. This field is NULL until we
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* receive the first "MME name" IE from the MME, which could be part
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* of the RESET procedure, but also just a normal LU request. */
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struct sgs_mme_ctx *mme;
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/* represents the SCTP connection we accept()ed from this MME */
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struct osmo_stream_srv *srv;
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};
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struct sgs_mme_ctx {
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/* global list of MME contexts */
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struct llist_head entry;
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/* back-pointer */
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struct sgs_state *sgs;
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/* MME name as string representation */
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char fqdn[GSM23003_MME_DOMAIN_LEN + 1];
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/* current connection for this MME, if any. Can be NULL if the SCTP
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* connection to the MME was lost and hasn't been re-established yet */
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struct sgs_connection *conn;
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/* FSM for the "VLR reset" procedure" */
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struct osmo_fsm_inst *fi;
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unsigned int ns11_remaining;
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};
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extern struct sgs_state *g_sgs;
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struct sgs_state *sgs_iface_init(void *ctx, struct gsm_network *network);
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int sgs_iface_rx(struct sgs_connection *sgc, struct msgb *msg);
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int sgs_iface_tx_paging(struct vlr_subscr *vsub, enum sgsap_service_ind serv_ind);
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int sgs_iface_tx_dtap_ud(struct msgb *msg);
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void sgs_iface_tx_release(struct ran_conn *conn);
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@ -0,0 +1,53 @@
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/* (C) 2018-2019 by sysmocom s.f.m.c. GmbH
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* All Rights Reserved
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*
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* Author: Harald Welte, Philipp Maier
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <arpa/inet.h>
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#include <osmocom/gsm/protocol/gsm_29_118.h>
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#define DEFAULT_SGS_SERVER_IP "0.0.0.0"
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#define DEFAULT_SGS_SERVER_VLR_NAME "vlr.example.net"
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/* global SGs state */
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struct sgs_state {
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/* list of MMEs (sgs_mme_ctx) */
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struct llist_head mme_list;
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/* list of SCTP client connections */
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struct llist_head conn_list;
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/* SCTP server for inbound SGs connections */
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struct osmo_stream_srv_link *srv_link;
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struct {
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char local_addr[INET6_ADDRSTRLEN];
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uint16_t local_port;
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/* user-configured VLR name (FQDN) */
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char vlr_name[SGS_VLR_NAME_MAXLEN];
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/* timers on VLR side */
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unsigned int timer[_NUM_SGS_STATE_TIMERS];
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/* countrs on VLR side */
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unsigned int counter[_NUM_SGS_STATE_COUNTERS];
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} cfg;
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};
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struct sgs_state *sgs_server_alloc(void *ctx);
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int sgs_server_open(struct sgs_state *sgs);
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@ -0,0 +1,23 @@
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/* (C) 2018-2019 by sysmocom s.f.m.c. GmbH
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* All Rights Reserved
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*
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* Author: Harald Welte, Philipp Maier
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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void sgs_vty_init(void);
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@ -13,6 +13,7 @@
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#include <osmocom/msc/ran_conn.h>
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#include <osmocom/msc/msc_common.h>
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#include <osmocom/gsupclient/gsup_client.h>
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#include <osmocom/msc/vlr_sgs.h>
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#define LOGGSUPP(level, gsup, fmt, args...) \
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LOGP(DVLR, level, "GSUP(%s) " fmt, (gsup)->imsi, ## args)
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@ -162,6 +163,7 @@ struct vlr_subscr {
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struct osmo_fsm_inst *lu_fsm;
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struct osmo_fsm_inst *auth_fsm;
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struct osmo_fsm_inst *proc_arq_fsm;
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struct osmo_fsm_inst *sgs_fsm;
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bool lu_complete;
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time_t expire_lu;
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@ -182,6 +184,17 @@ struct vlr_subscr {
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uint8_t lac;
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enum osmo_rat_type attached_via_ran;
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} cs;
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/* SGs (MME) specific parts */
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struct {
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struct vlr_sgs_cfg cfg;
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char mme_name[SGS_MME_NAME_LEN + 1];
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struct osmo_location_area_id lai;
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vlr_sgs_lu_response_cb_t response_cb;
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vlr_sgs_lu_paging_cb_t paging_cb;
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vlr_sgs_lu_mminfo_cb_t mminfo_cb;
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enum sgsap_service_ind paging_serv_ind;
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struct osmo_timer_list Ts5;
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} sgs;
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struct gsm_classmark classmark;
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};
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@ -0,0 +1,107 @@
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/* (C) 2018-2019 by sysmocom s.f.m.c. GmbH
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* All Rights Reserved
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*
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* Author: Harald Welte, Philipp Maier
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <osmocom/gsm/gsm29118.h>
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enum vlr_lu_type;
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struct vlr_subscr;
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struct vlr_instance;
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/* See also 3GPP TS 29.118, chapter 4.2.2 States at the VLR */
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enum sgs_ue_fsm_state {
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SGS_UE_ST_NULL,
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SGS_UE_ST_ASSOCIATED,
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SGS_UE_ST_LA_UPD_PRES,
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};
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enum vlr_sgs_state_tmr {
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/* Started when sending the SGsAP-PAGING-REQUEST, implemented in vlr_sgs.c */
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SGS_STATE_TS5,
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/* TMSI reallocation, 5.2.3.5, implemented by fsm in vlr_sgs_fsm.c */
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SGS_STATE_TS6_2,
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/* Started when SGsAP-ALERT-REQUEST is sent 5.3.2.1, not implemented yet */
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SGS_STATE_TS7,
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/* Reset ack timeout, implemnted in sgs_iface.c */
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SGS_STATE_TS11,
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/* Started when SGsAP-SERVICE-REQUEST is received 5.15.1, not implemented yet */
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SGS_STATE_TS14,
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/* Started when SGsAP-MO-CSFB-INDICATION is received 5.16.3 (UE fallback, not implemented yet) */
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SGS_STATE_TS15,
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_NUM_SGS_STATE_TIMERS
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};
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enum vlr_sgs_state_ctr {
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/* Alert request retransmit count */
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SGS_STATE_NS7,
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/* Reset repeat count */
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SGS_STATE_NS11,
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_NUM_SGS_STATE_COUNTERS
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};
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extern const struct value_string sgs_state_timer_names[];
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static inline const char *vlr_sgs_state_timer_name(enum vlr_sgs_state_tmr Ts)
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{
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return get_value_string(sgs_state_timer_names, Ts);
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}
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extern const struct value_string sgs_state_counter_names[];
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static inline const char *vlr_sgs_state_counter_name(enum vlr_sgs_state_ctr Ns)
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{
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return get_value_string(sgs_state_timer_names, Ns);
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}
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/* This callback function is called when an SGs location update is complete */
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struct sgs_lu_response {
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bool accepted;
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struct vlr_subscr *vsub;
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};
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typedef void (*vlr_sgs_lu_response_cb_t) (struct sgs_lu_response *response);
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/* This callback function is called in cases where a paging request is required
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* after the LU is completed */
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typedef int (*vlr_sgs_lu_paging_cb_t) (struct vlr_subscr *vsub, enum sgsap_service_ind serv_ind);
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/* This callback function is called to send the MM info to the UE. */
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typedef void (*vlr_sgs_lu_mminfo_cb_t) (struct vlr_subscr *vsub);
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/* Configuration parameters for the SGs FSM */
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struct vlr_sgs_cfg {
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unsigned int timer[_NUM_SGS_STATE_TIMERS];
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unsigned int counter[_NUM_SGS_STATE_COUNTERS];
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};
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void vlr_sgs_reset(struct vlr_instance *vlr);
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int vlr_sgs_loc_update(struct vlr_instance *vlr, struct vlr_sgs_cfg *cfg,
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vlr_sgs_lu_response_cb_t response_cb, vlr_sgs_lu_paging_cb_t paging_cb,
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vlr_sgs_lu_mminfo_cb_t mminfo_cb, char *mme_name, enum vlr_lu_type type, const char *imsi,
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struct osmo_location_area_id *new_lai);
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void vlr_sgs_loc_update_acc_sent(struct vlr_subscr *vsub);
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void vlr_sgs_loc_update_rej_sent(struct vlr_subscr *vsub);
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void vlr_sgs_detach(struct vlr_instance *vlr, const char *imsi, bool eps);
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void vlr_sgs_imsi_detach(struct vlr_instance *vlr, const char *imsi, enum sgsap_imsi_det_noneps_type type);
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void vlr_sgs_eps_detach(struct vlr_instance *vlr, const char *imsi, enum sgsap_imsi_det_eps_type type);
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void vlr_sgs_tmsi_reall_compl(struct vlr_instance *vlr, const char *imsi);
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void vlr_sgs_pag_rej(struct vlr_instance *vlr, const char *imsi, enum sgsap_sgs_cause cause);
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void vlr_sgs_pag_ack(struct vlr_instance *vlr, const char *imsi);
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void vlr_sgs_ue_unr(struct vlr_instance *vlr, const char *imsi, enum sgsap_sgs_cause cause);
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void vlr_sgs_pag(struct vlr_subscr *vsub, enum sgsap_service_ind serv_ind);
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bool vlr_sgs_pag_pend(struct vlr_subscr *vsub);
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@ -23,6 +23,7 @@ enum bsc_vty_node {
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SMPP_NODE,
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SMPP_ESME_NODE,
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HLR_NODE,
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CFG_SGS_NODE,
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};
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int bsc_vty_init_extra(void);
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@ -17,6 +17,7 @@ AM_CFLAGS = \
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$(LIBOSMOMGCPCLIENT_CFLAGS) \
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$(LIBOSMOGSUPCLIENT_CFLAGS) \
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$(LIBOSMORANAP_CFLAGS) \
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$(LIBOSMONETIF_CFLAGS) \
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$(NULL)
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noinst_HEADERS = \
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@ -52,6 +53,9 @@ libmsc_a_SOURCES = \
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transaction.c \
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osmo_msc.c \
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ctrl_commands.c \
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sgs_iface.c \
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sgs_server.c \
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sgs_vty.c \
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$(NULL)
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if BUILD_IU
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libmsc_a_SOURCES += \
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@ -469,13 +469,12 @@ static uint8_t bcdify(uint8_t value)
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return ret;
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}
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/* Section 9.2.15a */
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int gsm48_tx_mm_info(struct ran_conn *conn)
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/* Generate a message buffer that contains a valid MM info message,
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* See also 3GPP TS 24.008, chapter 9.2.15a */
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struct msgb *gsm48_create_mm_info(struct gsm_network *net)
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{
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struct msgb *msg = gsm48_msgb_alloc_name("GSM 04.08 MM INF");
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struct gsm48_hdr *gh;
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struct gsm_network *net = conn->network;
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uint8_t *ptr8;
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int name_len, name_pad;
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||||
|
@ -617,8 +616,18 @@ int gsm48_tx_mm_info(struct ran_conn *conn)
|
|||
ptr8[2] = dst;
|
||||
}
|
||||
|
||||
LOG_RAN_CONN(conn, LOGL_DEBUG, "Tx MM INFO\n");
|
||||
return msg;
|
||||
}
|
||||
|
||||
/* Section 9.2.15a */
|
||||
int gsm48_tx_mm_info(struct ran_conn *conn)
|
||||
{
|
||||
struct gsm_network *net = conn->network;
|
||||
struct msgb *msg;
|
||||
|
||||
msg = gsm48_create_mm_info(net);
|
||||
|
||||
LOG_RAN_CONN(conn, LOGL_DEBUG, "Tx MM INFO\n");
|
||||
return gsm48_conn_sendmsg(msg, conn, NULL);
|
||||
}
|
||||
|
||||
|
|
|
@ -1969,7 +1969,8 @@ int mncc_tx_to_cc(struct gsm_network *net, int msg_type, void *arg)
|
|||
vsub,
|
||||
setup_trig_pag_evt,
|
||||
trans,
|
||||
"MNCC: establish call");
|
||||
"MNCC: establish call",
|
||||
SGSAP_SERV_IND_CS_CALL);
|
||||
if (!trans->paging_request) {
|
||||
LOGP(DCC, LOGL_ERROR, "Failed to allocate paging token.\n");
|
||||
vlr_subscr_put(vsub);
|
||||
|
|
|
@ -193,7 +193,9 @@ static int gsm411_mmsms_est_req(struct gsm_trans *trans)
|
|||
LOGP(DLSMS, LOGL_DEBUG, "Initiating Paging procedure "
|
||||
"for %s due to MMSMS_EST_REQ\n", vlr_subscr_name(trans->vsub));
|
||||
trans->paging_request = subscr_request_conn(trans->vsub,
|
||||
paging_cb_mmsms_est_req, trans, "MT SMS");
|
||||
paging_cb_mmsms_est_req,
|
||||
trans, "MT SMS",
|
||||
SGSAP_SERV_IND_SMS);
|
||||
if (!trans->paging_request) {
|
||||
LOGP(DLSMS, LOGL_ERROR, "Failed to initiate Paging "
|
||||
"procedure for %s\n", vlr_subscr_name(trans->vsub));
|
||||
|
|
|
@ -343,7 +343,8 @@ static struct gsm_trans *establish_nc_ss_trans(struct gsm_network *net,
|
|||
|
||||
/* Trigger Paging Request */
|
||||
trans->paging_request = subscr_request_conn(vsub,
|
||||
&handle_paging_event, trans, "GSM 09.11 SS/USSD");
|
||||
&handle_paging_event, trans, "GSM 09.11 SS/USSD",
|
||||
SGSAP_SERV_IND_CS_CALL);
|
||||
if (!trans->paging_request) {
|
||||
LOGP(DMM, LOGL_ERROR, "Failed to allocate paging token\n");
|
||||
trans_free(trans);
|
||||
|
|
|
@ -48,6 +48,7 @@
|
|||
#include <osmocom/msc/vlr.h>
|
||||
#include <osmocom/msc/msc_ifaces.h>
|
||||
#include <osmocom/msc/a_iface.h>
|
||||
#include <osmocom/msc/sgs_iface.h>
|
||||
|
||||
void subscr_paging_cancel(struct vlr_subscr *vsub, enum gsm_paging_event event)
|
||||
{
|
||||
|
@ -109,7 +110,9 @@ int subscr_paging_dispatch(unsigned int hooknum, unsigned int event,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int msc_paging_request(struct vlr_subscr *vsub)
|
||||
/* Execute a paging on the currently active RAN. Returns the number of
|
||||
* delivered paging requests or -EINVAL in case of failure. */
|
||||
static int msc_paging_request(struct vlr_subscr *vsub, enum sgsap_service_ind serv_ind)
|
||||
{
|
||||
/* The subscriber was last seen in subscr->lac. Find out which
|
||||
* BSCs/RNCs are responsible and send them a paging request via open
|
||||
|
@ -122,6 +125,8 @@ static int msc_paging_request(struct vlr_subscr *vsub)
|
|||
vsub->tmsi == GSM_RESERVED_TMSI?
|
||||
NULL : &vsub->tmsi,
|
||||
vsub->cgi.lai.lac);
|
||||
case OSMO_RAT_EUTRAN_SGS:
|
||||
return sgs_iface_tx_paging(vsub, serv_ind);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
@ -142,10 +147,11 @@ static void paging_response_timer_cb(void *data)
|
|||
* \param cbfn function to call when the conn is established.
|
||||
* \param param caller defined param to pass to cbfn().
|
||||
* \param label human readable label of the request kind used for logging.
|
||||
* \param serv_ind sgsap service indicator (in case SGs interface is used to page).
|
||||
*/
|
||||
struct subscr_request *subscr_request_conn(struct vlr_subscr *vsub,
|
||||
gsm_cbfn *cbfn, void *param,
|
||||
const char *label)
|
||||
const char *label, enum sgsap_service_ind serv_ind)
|
||||
{
|
||||
int rc;
|
||||
struct subscr_request *request;
|
||||
|
@ -155,7 +161,7 @@ struct subscr_request *subscr_request_conn(struct vlr_subscr *vsub,
|
|||
if (!vsub->cs.is_paging) {
|
||||
LOGP(DMM, LOGL_DEBUG, "Subscriber %s not paged yet, start paging.\n",
|
||||
vlr_subscr_name(vsub));
|
||||
rc = msc_paging_request(vsub);
|
||||
rc = msc_paging_request(vsub, serv_ind);
|
||||
if (rc <= 0) {
|
||||
LOGP(DMM, LOGL_ERROR, "Subscriber %s paging failed: %d\n",
|
||||
vlr_subscr_name(vsub), rc);
|
||||
|
|
|
@ -28,6 +28,7 @@
|
|||
#include <osmocom/mgcp_client/mgcp_client.h>
|
||||
#include <osmocom/msc/vlr.h>
|
||||
#include <osmocom/msc/a_iface.h>
|
||||
#include <osmocom/msc/sgs_iface.h>
|
||||
#include <osmocom/msc/gsm_04_08.h>
|
||||
#include <osmocom/msc/msc_mgcp.h>
|
||||
|
||||
|
@ -60,6 +61,10 @@ static int msc_tx(struct ran_conn *conn, struct msgb *msg)
|
|||
msg->dst = conn->iu.ue_ctx;
|
||||
return ranap_iu_tx(msg, 0);
|
||||
|
||||
case OSMO_RAT_EUTRAN_SGS:
|
||||
msg->dst = conn;
|
||||
return sgs_iface_tx_dtap_ud(msg);
|
||||
|
||||
default:
|
||||
LOGP(DMSC, LOGL_ERROR,
|
||||
"msc_tx(): conn->via_ran invalid (%d)\n",
|
||||
|
|
|
@ -56,6 +56,8 @@
|
|||
#include <osmocom/msc/signal.h>
|
||||
#include <osmocom/msc/mncc_int.h>
|
||||
#include <osmocom/msc/rrlp.h>
|
||||
#include <osmocom/msc/vlr_sgs.h>
|
||||
#include <osmocom/msc/sgs_vty.h>
|
||||
|
||||
static struct gsm_network *gsmnet = NULL;
|
||||
|
||||
|
@ -565,7 +567,7 @@ static void vty_dump_one_conn(struct vty *vty, const struct ran_conn *conn)
|
|||
{
|
||||
vty_out(vty, "%08x %3s %5u %3u %08x %c /%1u %27s %22s%s",
|
||||
conn->a.conn_id,
|
||||
conn->via_ran == OSMO_RAT_UTRAN_IU ? "Iu" : "A",
|
||||
osmo_rat_type_name(conn->via_ran),
|
||||
conn->lac,
|
||||
conn->use_count,
|
||||
conn->use_tokens,
|
||||
|
@ -729,6 +731,15 @@ static void subscr_dump_full_vty(struct vty *vty, struct vlr_subscr *vsub)
|
|||
reqs += 1;
|
||||
vty_out(vty, " Paging: %s paging for %d requests%s",
|
||||
vsub->cs.is_paging ? "is" : "not", reqs, VTY_NEWLINE);
|
||||
|
||||
/* SGs related */
|
||||
vty_out(vty, " SGs-state: %s%s",
|
||||
osmo_fsm_inst_state_name(vsub->sgs_fsm), VTY_NEWLINE);
|
||||
if (vsub->sgs.mme_name && strlen(vsub->sgs.mme_name))
|
||||
vty_out(vty, " SGs-MME: %s%s", vsub->sgs.mme_name, VTY_NEWLINE);
|
||||
else
|
||||
vty_out(vty, " SGs-MME: (none)%s", VTY_NEWLINE);
|
||||
|
||||
vty_out(vty, " Use count: %u%s", vsub->use_count, VTY_NEWLINE);
|
||||
|
||||
/* Connection */
|
||||
|
@ -1159,7 +1170,7 @@ DEFUN(subscriber_paging,
|
|||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
req = subscr_request_conn(vsub, NULL, NULL, "manual Paging from VTY");
|
||||
req = subscr_request_conn(vsub, NULL, NULL, "manual Paging from VTY", SGSAP_SERV_IND_CS_CALL);
|
||||
if (req)
|
||||
vty_out(vty, "%% paging subscriber%s", VTY_NEWLINE);
|
||||
else
|
||||
|
@ -1590,6 +1601,7 @@ void msc_vty_init(struct gsm_network *msc_network)
|
|||
#ifdef BUILD_IU
|
||||
ranap_iu_vty_init(MSC_NODE, &msc_network->iu.rab_assign_addr_enc);
|
||||
#endif
|
||||
sgs_vty_init();
|
||||
osmo_fsm_vty_add_cmds();
|
||||
|
||||
osmo_signal_register_handler(SS_SCALL, scall_cbfn, NULL);
|
||||
|
|
|
@ -31,6 +31,7 @@
|
|||
#include <osmocom/msc/transaction.h>
|
||||
#include <osmocom/msc/signal.h>
|
||||
#include <osmocom/msc/a_iface.h>
|
||||
#include <osmocom/msc/sgs_iface.h>
|
||||
#include <osmocom/msc/iucs.h>
|
||||
|
||||
#include "../../bscconfig.h"
|
||||
|
@ -338,6 +339,13 @@ static void ran_conn_fsm_releasing_onenter(struct osmo_fsm_inst *fi, uint32_t pr
|
|||
{
|
||||
struct ran_conn *conn = fi->priv;
|
||||
|
||||
/* The SGs interface needs to access vsub struct members to send the
|
||||
* release message, however the following release procedures will
|
||||
* remove conn->vsub, so we need to send the release right now. */
|
||||
if (conn->via_ran == OSMO_RAT_EUTRAN_SGS) {
|
||||
sgs_iface_tx_release(conn);
|
||||
}
|
||||
|
||||
/* Use count for either conn->a.waiting_for_clear_complete or
|
||||
* conn->iu.waiting_for_release_complete. 'get' it early, so we don't deallocate after tearing
|
||||
* down active transactions. Safeguard against double-get (though it shouldn't happen). */
|
||||
|
@ -381,6 +389,12 @@ static void ran_conn_fsm_releasing_onenter(struct osmo_fsm_inst *fi, uint32_t pr
|
|||
}
|
||||
conn->iu.waiting_for_release_complete = true;
|
||||
break;
|
||||
case OSMO_RAT_EUTRAN_SGS:
|
||||
/* Release message is already sent at the beginning of this
|
||||
* functions (see above), but we still need to notify the
|
||||
* conn that a release has been sent / is in progress. */
|
||||
ran_conn_sgs_release_sent(conn);
|
||||
break;
|
||||
default:
|
||||
LOGP(DMM, LOGL_ERROR, "%s: Unknown RAN type, cannot tx release/clear\n",
|
||||
vlr_subscr_name(conn->vsub));
|
||||
|
@ -667,6 +681,8 @@ struct ran_conn *ran_conn_alloc(struct gsm_network *network,
|
|||
case OSMO_RAT_UTRAN_IU:
|
||||
conn->log_subsys = DRANAP;
|
||||
break;
|
||||
case OSMO_RAT_EUTRAN_SGS:
|
||||
conn->log_subsys = DSGS;
|
||||
default:
|
||||
conn->log_subsys = DMSC;
|
||||
break;
|
||||
|
@ -772,3 +788,11 @@ void ran_conn_rx_iu_release_complete(struct ran_conn *conn)
|
|||
{
|
||||
rx_close_complete(conn, "Iu Release Complete", &conn->iu.waiting_for_release_complete);
|
||||
}
|
||||
|
||||
void ran_conn_sgs_release_sent(struct ran_conn *conn)
|
||||
{
|
||||
bool dummy_waiting_for_release_complete = true;
|
||||
|
||||
/* Note: In SGsAP there is no confirmation of a release. */
|
||||
rx_close_complete(conn, "SGs Release Complete", &dummy_waiting_for_release_complete);
|
||||
}
|
||||
|
|
File diff suppressed because it is too large
Load Diff
|
@ -0,0 +1,187 @@
|
|||
/* (C) 2018-2019 by sysmocom s.f.m.c. GmbH
|
||||
* All Rights Reserved
|
||||
*
|
||||
* Author: Harald Welte, 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/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <osmocom/msc/sgs_iface.h>
|
||||
#include <osmocom/msc/debug.h>
|
||||
#include <osmocom/msc/sgs_server.h>
|
||||
#include <osmocom/core/utils.h>
|
||||
#include <osmocom/core/socket.h>
|
||||
#include <osmocom/core/select.h>
|
||||
#include <osmocom/netif/stream.h>
|
||||
#include <netinet/sctp.h>
|
||||
|
||||
#define LOGSGC(sgc, lvl, fmt, args...) \
|
||||
LOGP(DSGS, lvl, "%s: " fmt, (sgc)->sockname, ## args)
|
||||
|
||||
/* call-back when data arrives on SGs */
|
||||
static int sgs_conn_readable_cb(struct osmo_stream_srv *conn)
|
||||
{
|
||||
struct osmo_fd *ofd = osmo_stream_srv_get_ofd(conn);
|
||||
struct sgs_connection *sgc = osmo_stream_srv_get_data(conn);
|
||||
struct msgb *msg = gsm29118_msgb_alloc();
|
||||
struct sctp_sndrcvinfo sinfo;
|
||||
int flags = 0;
|
||||
int rc;
|
||||
|
||||
/* we cannot use osmo_stream_srv_recv() here, as we might get some out-of-band info from
|
||||
* SCTP. FIXME: add something like osmo_stream_srv_recv_sctp() to libosmo-netif and use
|
||||
* it here as well as in libosmo-sigtran */
|
||||
rc = sctp_recvmsg(ofd->fd, msgb_data(msg), msgb_tailroom(msg), NULL, NULL, &sinfo, &flags);
|
||||
if (rc < 0) {
|
||||
osmo_stream_srv_destroy(conn);
|
||||
rc = -EBADF;
|
||||
goto out;
|
||||
} else if (rc == 0) {
|
||||
osmo_stream_srv_destroy(conn);
|
||||
rc = -EBADF;
|
||||
goto out;
|
||||
} else {
|
||||
msgb_put(msg, rc);
|
||||
}
|
||||
|
||||
if (flags & MSG_NOTIFICATION) {
|
||||
union sctp_notification *notif = (union sctp_notification *)msgb_data(msg);
|
||||
|
||||
switch (notif->sn_header.sn_type) {
|
||||
case SCTP_SHUTDOWN_EVENT:
|
||||
osmo_stream_srv_destroy(conn);
|
||||
rc = -EBADF;
|
||||
break;
|
||||
case SCTP_ASSOC_CHANGE:
|
||||
/* FIXME: do we have to notify the SGs code about this? */
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
rc = 0;
|
||||
goto out;
|
||||
}
|
||||
|
||||
/* set l2 header, as that's what we use in SGs code */
|
||||
msg->l2h = msgb_data(msg);
|
||||
|
||||
if (msgb_sctp_ppid(msg) != 0) {
|
||||
LOGSGC(sgc, LOGL_NOTICE, "Ignoring SCTP PPID %ld (spec violation)\n", msgb_sctp_ppid(msg));
|
||||
msgb_free(msg);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* handle message */
|
||||
sgs_iface_rx(sgc, msg);
|
||||
|
||||
return 0;
|
||||
out:
|
||||
msgb_free(msg);
|
||||
return rc;
|
||||
}
|
||||
|
||||
/* call-back when new connection is closed ed on SGs */
|
||||
static int sgs_conn_closed_cb(struct osmo_stream_srv *conn)
|
||||
{
|
||||
struct sgs_connection *sgc = osmo_stream_srv_get_data(conn);
|
||||
|
||||
LOGSGC(sgc, LOGL_NOTICE, "Connection lost\n");
|
||||
if (sgc->mme) {
|
||||
/* unlink ourselves from the MME context */
|
||||
if (sgc->mme->conn == sgc)
|
||||
sgc->mme->conn = NULL;
|
||||
}
|
||||
llist_del(&sgc->entry);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* call-back when new connection is accept() ed on SGs */
|
||||
static int sgs_accept_cb(struct osmo_stream_srv_link *link, int fd)
|
||||
{
|
||||
struct sgs_state *sgs = osmo_stream_srv_link_get_data(link);
|
||||
struct sgs_connection *sgc = talloc_zero(link, struct sgs_connection);
|
||||
OSMO_ASSERT(sgc);
|
||||
sgc->sgs = sgs;
|
||||
osmo_sock_get_name_buf(sgc->sockname, sizeof(sgc->sockname), fd);
|
||||
sgc->srv = osmo_stream_srv_create(sgc, link, fd, sgs_conn_readable_cb, sgs_conn_closed_cb, sgc);
|
||||
if (!sgc->srv) {
|
||||
talloc_free(sgc);
|
||||
return -1;
|
||||
}
|
||||
LOGSGC(sgc, LOGL_INFO, "Accepted new SGs connection\n");
|
||||
llist_add_tail(&sgc->entry, &sgs->conn_list);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct sgs_state *sgs_state_alloc(void *ctx)
|
||||
{
|
||||
struct sgs_state *sgs = talloc_zero(ctx, struct sgs_state);
|
||||
|
||||
INIT_LLIST_HEAD(&sgs->mme_list);
|
||||
INIT_LLIST_HEAD(&sgs->conn_list);
|
||||
|
||||
memcpy(sgs->cfg.timer, sgs_state_timer_defaults, sizeof(sgs->cfg.timer));
|
||||
memcpy(sgs->cfg.counter, sgs_state_counter_defaults, sizeof(sgs->cfg.counter));
|
||||
sgs->cfg.local_port = SGS_PORT_DEFAULT;
|
||||
osmo_strlcpy(sgs->cfg.local_addr, DEFAULT_SGS_SERVER_IP, sizeof(sgs->cfg.local_addr));
|
||||
osmo_strlcpy(sgs->cfg.vlr_name, DEFAULT_SGS_SERVER_VLR_NAME, sizeof(sgs->cfg.vlr_name));
|
||||
|
||||
return sgs;
|
||||
}
|
||||
|
||||
/*! allocate SGs new sgs state
|
||||
* \param[in] ctx talloc context
|
||||
* \returns returns allocated sgs state, NULL in case of error. */
|
||||
struct sgs_state *sgs_server_alloc(void *ctx)
|
||||
{
|
||||
struct sgs_state *sgs;
|
||||
struct osmo_stream_srv_link *link;
|
||||
|
||||
sgs = sgs_state_alloc(ctx);
|
||||
if (!sgs)
|
||||
return NULL;
|
||||
|
||||
sgs->srv_link = link = osmo_stream_srv_link_create(ctx);
|
||||
if (!sgs->srv_link)
|
||||
return NULL;
|
||||
|
||||
osmo_stream_srv_link_set_nodelay(link, true);
|
||||
osmo_stream_srv_link_set_addr(link, sgs->cfg.local_addr);
|
||||
osmo_stream_srv_link_set_port(link, sgs->cfg.local_port);
|
||||
osmo_stream_srv_link_set_proto(link, IPPROTO_SCTP);
|
||||
osmo_stream_srv_link_set_data(link, sgs);
|
||||
osmo_stream_srv_link_set_accept_cb(link, sgs_accept_cb);
|
||||
|
||||
return sgs;
|
||||
}
|
||||
|
||||
/*! (re)open SGs interface (SCTP)
|
||||
* \param[in] sgs associated sgs state
|
||||
* \returns 0 in case of success, -EINVAL in case of error. */
|
||||
int sgs_server_open(struct sgs_state *sgs)
|
||||
{
|
||||
int rc;
|
||||
struct osmo_fd *ofd = osmo_stream_srv_link_get_ofd(sgs->srv_link);
|
||||
|
||||
rc = osmo_stream_srv_link_open(sgs->srv_link);
|
||||
if (rc < 0) {
|
||||
LOGP(DSGS, LOGL_ERROR, "SGs socket cannot be opened: %s\n", strerror(errno));
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
LOGP(DSGS, LOGL_NOTICE, "SGs socket bound to %s\n", osmo_sock_get_name2(ofd->fd));
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,197 @@
|
|||
/* (C) 2018-2019 by sysmocom s.f.m.c. GmbH
|
||||
* All Rights Reserved
|
||||
*
|
||||
* Author: Harald Welte, 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/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#include <osmocom/core/utils.h>
|
||||
#include <osmocom/core/msgb.h>
|
||||
#include <osmocom/msc/vty.h>
|
||||
#include <osmocom/netif/stream.h>
|
||||
#include <osmocom/msc/sgs_iface.h>
|
||||
#include <osmocom/msc/sgs_server.h>
|
||||
#include <osmocom/msc/debug.h>
|
||||
#include <osmocom/gsm/tlv.h>
|
||||
|
||||
struct cmd_node cfg_sgs_node = {
|
||||
CFG_SGS_NODE,
|
||||
"%s(config-sgs)# ",
|
||||
1
|
||||
};
|
||||
|
||||
DEFUN(cfg_sgs, cfg_sgs_cmd,
|
||||
"sgs",
|
||||
"Configure the SGs interface\n")
|
||||
{
|
||||
vty->index = g_sgs;
|
||||
vty->node = CFG_SGS_NODE;
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_sgs_local_ip, cfg_sgs_local_ip_cmd,
|
||||
"local-ip A.B.C.D",
|
||||
"Set the Local IP Address of the SGs interface\n"
|
||||
"Local IP Address of the SGs interface\n")
|
||||
{
|
||||
struct sgs_state *sgs = vty->index;
|
||||
int rc;
|
||||
|
||||
osmo_strlcpy(sgs->cfg.local_addr, argv[0], sizeof(sgs->cfg.local_addr));
|
||||
osmo_stream_srv_link_set_addr(sgs->srv_link, sgs->cfg.local_addr);
|
||||
|
||||
rc = sgs_server_open(sgs);
|
||||
if (rc < 0) {
|
||||
vty_out(vty, "%% SGs socket cannot be opened: %s%s", strerror(errno), VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_sgs_local_port, cfg_sgs_local_port_cmd,
|
||||
"local-port <0-65535>",
|
||||
"Set the local SCTP port of the SGs interface\n"
|
||||
"Local SCTP port of the SGs interface\n")
|
||||
{
|
||||
struct sgs_state *sgs = vty->index;
|
||||
int rc;
|
||||
|
||||
sgs->cfg.local_port = atoi(argv[0]);
|
||||
osmo_stream_srv_link_set_port(sgs->srv_link, sgs->cfg.local_port);
|
||||
|
||||
rc = sgs_server_open(sgs);
|
||||
if (rc < 0) {
|
||||
vty_out(vty, "%% SGs socket cannot be opened: %s%s", strerror(errno), VTY_NEWLINE);
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_sgs_vlr_name, cfg_sgs_vlr_name_cmd,
|
||||
"vlr-name FQDN",
|
||||
"Set the SGs VLR Name as per TS 29.118 9.4.22\n"
|
||||
"Fully-Qualified Domain Name of this VLR\n")
|
||||
{
|
||||
struct sgs_state *sgs = vty->index;
|
||||
osmo_strlcpy(sgs->cfg.vlr_name, argv[0], sizeof(sgs->cfg.vlr_name));
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(cfg_sgs_timer, cfg_sgs_timer_cmd,
|
||||
"timer (ts5|ts6-2|ts7|ts11|ts14|ts15) <1-120>",
|
||||
"Configure SGs Timer\n"
|
||||
"Paging procedure guard timer\n"
|
||||
"TMSI reallocation guard timer\n"
|
||||
"Non-EPS alert procedure guard timer\n"
|
||||
"VLR reset guard timer\n"
|
||||
"UE fallback prcoedure timer\n"
|
||||
"MO UE fallback procedure guard timer\n"
|
||||
"Time in seconds\n")
|
||||
{
|
||||
struct sgs_state *sgs = vty->index;
|
||||
unsigned int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(sgs->cfg.timer); i++) {
|
||||
if (!strcasecmp(argv[0], vlr_sgs_state_timer_name(i))) {
|
||||
sgs->cfg.timer[i] = atoi(argv[1]);
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
DEFUN(cfg_sgs_counter, cfg_sgs_counter_cmd,
|
||||
"counter (ns7|ns11) <0-255>",
|
||||
"Configure SGs Counter\n"
|
||||
"Non-EPS alert request retry counter\n"
|
||||
"VLR reset retry counter\n" "Counter value\n")
|
||||
{
|
||||
struct sgs_state *sgs = vty->index;
|
||||
unsigned int i = 0;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(sgs->cfg.counter); i++) {
|
||||
if (!strcasecmp(argv[0], vlr_sgs_state_counter_name(i))) {
|
||||
sgs->cfg.counter[i] = atoi(argv[1]);
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
return CMD_WARNING;
|
||||
}
|
||||
|
||||
DEFUN(show_sgs_conn, show_sgs_conn_cmd,
|
||||
"show sgs-connections", SHOW_STR
|
||||
"Show SGs interface connections / MMEs\n")
|
||||
{
|
||||
struct sgs_connection *sgc;
|
||||
|
||||
llist_for_each_entry(sgc, &g_sgs->conn_list, entry) {
|
||||
vty_out(vty, " %s %s%s", sgc->sockname, sgc->mme ? sgc->mme->fqdn : "", VTY_NEWLINE);
|
||||
}
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
static int config_write_sgs(struct vty *vty)
|
||||
{
|
||||
struct sgs_state *sgs = g_sgs;
|
||||
unsigned int i;
|
||||
char str_buf[256];
|
||||
|
||||
vty_out(vty, "sgs%s", VTY_NEWLINE);
|
||||
if (sgs->cfg.local_port != SGS_PORT_DEFAULT)
|
||||
vty_out(vty, " local-port %u%s", sgs->cfg.local_port, VTY_NEWLINE);
|
||||
if (sgs->cfg.local_addr)
|
||||
vty_out(vty, " local-ip %s%s", sgs->cfg.local_addr, VTY_NEWLINE);
|
||||
if (sgs->cfg.vlr_name)
|
||||
vty_out(vty, " vlr-name %s%s", sgs->cfg.vlr_name, VTY_NEWLINE);
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(sgs->cfg.timer); i++) {
|
||||
if (sgs->cfg.timer[i] == sgs_state_timer_defaults[i])
|
||||
continue;
|
||||
osmo_str_tolower_buf(str_buf, sizeof(str_buf), vlr_sgs_state_timer_name(i));
|
||||
vty_out(vty, " timer %s %u%s", str_buf, sgs->cfg.timer[i], VTY_NEWLINE);
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(sgs->cfg.counter); i++) {
|
||||
if (sgs->cfg.counter[i] == sgs_state_counter_defaults[i])
|
||||
continue;
|
||||
osmo_str_tolower_buf(str_buf, sizeof(str_buf), vlr_sgs_state_counter_name(i));
|
||||
vty_out(vty, " counter %s %u%s", str_buf, sgs->cfg.counter[i], VTY_NEWLINE);
|
||||
}
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
void sgs_vty_init(void)
|
||||
{
|
||||
/* configuration commands / nodes */
|
||||
install_element(CONFIG_NODE, &cfg_sgs_cmd);
|
||||
install_node(&cfg_sgs_node, config_write_sgs);
|
||||
install_element(CFG_SGS_NODE, &cfg_sgs_local_ip_cmd);
|
||||
install_element(CFG_SGS_NODE, &cfg_sgs_local_port_cmd);
|
||||
install_element(CFG_SGS_NODE, &cfg_sgs_timer_cmd);
|
||||
install_element(CFG_SGS_NODE, &cfg_sgs_counter_cmd);
|
||||
install_element(CFG_SGS_NODE, &cfg_sgs_vlr_name_cmd);
|
||||
|
||||
install_element_ve(&show_sgs_conn_cmd);
|
||||
}
|
|
@ -128,7 +128,8 @@ int gsm_silent_call_start(struct vlr_subscr *vsub, void *data, int type)
|
|||
* This doesn't apply to the situation after MSCSPLIT with an
|
||||
* A-interface. */
|
||||
req = subscr_request_conn(vsub, paging_cb_silent, data,
|
||||
"establish silent call");
|
||||
"establish silent call",
|
||||
SGSAP_SERV_IND_CS_CALL);
|
||||
if (!req)
|
||||
return -ENODEV;
|
||||
return 0;
|
||||
|
|
|
@ -8,6 +8,7 @@ AM_CFLAGS= \
|
|||
$(LIBOSMOGSUPCLIENT_CFLAGS) \
|
||||
$(LIBOSMOABIS_CFLAGS) \
|
||||
$(LIBOSMORANAP_CFLAGS) \
|
||||
$(LIBOSMOGSM_CFLAGS) \
|
||||
$(COVERAGE_CFLAGS) \
|
||||
$(NULL)
|
||||
|
||||
|
@ -16,6 +17,7 @@ noinst_HEADERS = \
|
|||
vlr_auth_fsm.h \
|
||||
vlr_core.h \
|
||||
vlr_lu_fsm.h \
|
||||
vlr_sgs_fsm.h \
|
||||
$(NULL)
|
||||
|
||||
noinst_LIBRARIES = libvlr.a
|
||||
|
@ -25,4 +27,6 @@ libvlr_a_SOURCES = \
|
|||
vlr_access_req_fsm.c \
|
||||
vlr_auth_fsm.c \
|
||||
vlr_lu_fsm.c \
|
||||
vlr_sgs.c \
|
||||
vlr_sgs_fsm.c \
|
||||
$(NULL)
|
||||
|
|
|
@ -30,6 +30,7 @@
|
|||
#include <osmocom/gsm/ipa.h>
|
||||
#include <osmocom/msc/gsm_subscriber.h>
|
||||
#include <osmocom/gsupclient/gsup_client.h>
|
||||
#include <osmocom/msc/vlr_sgs.h>
|
||||
#include <osmocom/msc/vlr.h>
|
||||
#include <osmocom/msc/debug.h>
|
||||
|
||||
|
@ -42,6 +43,7 @@
|
|||
#include "vlr_auth_fsm.h"
|
||||
#include "vlr_lu_fsm.h"
|
||||
#include "vlr_access_req_fsm.h"
|
||||
#include "vlr_sgs_fsm.h"
|
||||
|
||||
#define SGSN_SUBSCR_MAX_RETRIES 3
|
||||
#define SGSN_SUBSCR_RETRY_INTERVAL 10
|
||||
|
@ -262,6 +264,11 @@ static struct vlr_subscr *_vlr_subscr_alloc(struct vlr_instance *vlr)
|
|||
INIT_LLIST_HEAD(&vsub->cs.requests);
|
||||
INIT_LLIST_HEAD(&vsub->ps.pdp_list);
|
||||
|
||||
/* Create an SGs FSM, which is needed to control CSFB,
|
||||
* in cases where CSFB/SGs is not in use, this FSM will
|
||||
* just do nothing. (see also: sgs_iface.c) */
|
||||
vlr_sgs_fsm_create(vsub);
|
||||
|
||||
llist_add_tail(&vsub->list, &vlr->subscribers);
|
||||
return vsub;
|
||||
}
|
||||
|
@ -307,6 +314,13 @@ void vlr_subscr_free(struct vlr_subscr *vsub)
|
|||
{
|
||||
llist_del(&vsub->list);
|
||||
DEBUGP(DREF, "freeing VLR subscr %s\n", vlr_subscr_name(vsub));
|
||||
|
||||
/* Make sure SGs timer Ts5 is removed */
|
||||
osmo_timer_del(&vsub->sgs.Ts5);
|
||||
|
||||
/* Remove SGs FSM (see also: sgs_iface.c) */
|
||||
vlr_sgs_fsm_remove(vsub);
|
||||
|
||||
talloc_free(vsub);
|
||||
}
|
||||
|
||||
|
@ -854,7 +868,13 @@ static int vlr_subscr_handle_isd_req(struct vlr_subscr *vsub,
|
|||
static int vlr_subscr_handle_lu_res(struct vlr_subscr *vsub,
|
||||
const struct osmo_gsup_message *gsup)
|
||||
{
|
||||
if (!vsub->lu_fsm) {
|
||||
struct sgs_lu_response sgs_lu_response;
|
||||
bool sgs_lu_in_progress = false;
|
||||
|
||||
if (vsub->sgs_fsm->state == SGS_UE_ST_LA_UPD_PRES)
|
||||
sgs_lu_in_progress = true;
|
||||
|
||||
if (!vsub->lu_fsm && !sgs_lu_in_progress) {
|
||||
LOGVSUBP(LOGL_ERROR, vsub, "Rx GSUP LU Result "
|
||||
"without LU in progress\n");
|
||||
return -ENODEV;
|
||||
|
@ -865,7 +885,12 @@ static int vlr_subscr_handle_lu_res(struct vlr_subscr *vsub,
|
|||
* nested INSERT SUBSCRIBER DATA transaction */
|
||||
vlr_subscr_gsup_insert_data(vsub, gsup);
|
||||
|
||||
osmo_fsm_inst_dispatch(vsub->lu_fsm, VLR_ULA_E_HLR_LU_RES, NULL);
|
||||
if (sgs_lu_in_progress) {
|
||||
sgs_lu_response.accepted = true;
|
||||
sgs_lu_response.vsub = vsub;
|
||||
vsub->sgs.response_cb(&sgs_lu_response);
|
||||
} else
|
||||
osmo_fsm_inst_dispatch(vsub->lu_fsm, VLR_ULA_E_HLR_LU_RES, NULL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -874,7 +899,13 @@ static int vlr_subscr_handle_lu_res(struct vlr_subscr *vsub,
|
|||
static int vlr_subscr_handle_lu_err(struct vlr_subscr *vsub,
|
||||
const struct osmo_gsup_message *gsup)
|
||||
{
|
||||
if (!vsub->lu_fsm) {
|
||||
struct sgs_lu_response sgs_lu_response;
|
||||
bool sgs_lu_in_progress = false;
|
||||
|
||||
if (vsub->sgs_fsm->state == SGS_UE_ST_LA_UPD_PRES)
|
||||
sgs_lu_in_progress = true;
|
||||
|
||||
if (!vsub->lu_fsm && !sgs_lu_in_progress) {
|
||||
LOGVSUBP(LOGL_ERROR, vsub, "Rx GSUP LU Error "
|
||||
"without LU in progress\n");
|
||||
return -ENODEV;
|
||||
|
@ -883,9 +914,13 @@ static int vlr_subscr_handle_lu_err(struct vlr_subscr *vsub,
|
|||
LOGVSUBP(LOGL_DEBUG, vsub, "UpdateLocation failed; gmm_cause: %s\n",
|
||||
get_value_string(gsm48_gmm_cause_names, gsup->cause));
|
||||
|
||||
osmo_fsm_inst_dispatch(vsub->lu_fsm, VLR_ULA_E_HLR_LU_RES,
|
||||
(void *)&gsup->cause);
|
||||
|
||||
if (sgs_lu_in_progress) {
|
||||
sgs_lu_response.accepted = false;
|
||||
sgs_lu_response.vsub = vsub;
|
||||
vsub->sgs.response_cb(&sgs_lu_response);
|
||||
} else
|
||||
osmo_fsm_inst_dispatch(vsub->lu_fsm, VLR_ULA_E_HLR_LU_RES,
|
||||
(void *)&gsup->cause);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -1225,6 +1260,9 @@ int vlr_subscr_rx_imsi_detach(struct vlr_subscr *vsub)
|
|||
vsub->imsi_detached_flag = true;
|
||||
vsub->expire_lu = VLR_SUBSCRIBER_NO_EXPIRATION;
|
||||
|
||||
/* Inform the UE-SGs FSM that the subscriber has been detached */
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_RX_DETACH_IND_FROM_UE, NULL);
|
||||
|
||||
vlr_subscr_expire(vsub);
|
||||
|
||||
return 0;
|
||||
|
@ -1273,6 +1311,8 @@ struct vlr_instance *vlr_alloc(void *ctx, const struct vlr_ops *ops)
|
|||
vlr_lu_fsm_init();
|
||||
/* vlr_access_request_fsm.c */
|
||||
vlr_parq_fsm_init();
|
||||
/* vlr_sgs_fsm.c */
|
||||
vlr_sgs_fsm_init();
|
||||
|
||||
return vlr;
|
||||
}
|
||||
|
|
|
@ -27,6 +27,7 @@
|
|||
#include "vlr_core.h"
|
||||
#include "vlr_auth_fsm.h"
|
||||
#include "vlr_lu_fsm.h"
|
||||
#include "vlr_sgs_fsm.h"
|
||||
|
||||
#define S(x) (1 << (x))
|
||||
|
||||
|
@ -362,6 +363,7 @@ static void vlr_lu_compl_fsm_success(struct osmo_fsm_inst *fi)
|
|||
vlr_subscr_get(vsub);
|
||||
}
|
||||
_vlr_lu_compl_fsm_done(fi, VLR_FSM_RESULT_SUCCESS, 0);
|
||||
vlr_sgs_fsm_update_id(vsub);
|
||||
}
|
||||
|
||||
static void vlr_lu_compl_fsm_failure(struct osmo_fsm_inst *fi, uint8_t cause)
|
||||
|
@ -1055,6 +1057,11 @@ static void lu_fsm_idle(struct osmo_fsm_inst *fi, uint32_t event,
|
|||
|
||||
OSMO_ASSERT(lfp->vsub);
|
||||
|
||||
/* At this point we know for which subscriber the location update is,
|
||||
* we now must inform SGs-UE FSM that we received a location update
|
||||
* via A, IU or Gs interface. */
|
||||
osmo_fsm_inst_dispatch(lfp->vsub->sgs_fsm, SGS_UE_E_RX_LU_FROM_A_IU_GS, NULL);
|
||||
|
||||
/* See 3GPP TS 23.012, procedure Retrieve_IMEISV_If_Required */
|
||||
if ((!vlr->cfg.retrieve_imeisv_early)
|
||||
|| (lfp->type == VLR_LU_TYPE_PERIODIC && lfp->vsub->imeisv[0])) {
|
||||
|
|
|
@ -0,0 +1,331 @@
|
|||
/* (C) 2018-2019 by sysmocom s.f.m.c. GmbH
|
||||
* All Rights Reserved
|
||||
*
|
||||
* Author: Harald Welte, 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/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <osmocom/core/utils.h>
|
||||
#include <osmocom/core/fsm.h>
|
||||
#include <osmocom/msc/debug.h>
|
||||
#include <osmocom/msc/vlr.h>
|
||||
#include <osmocom/msc/vlr_sgs.h>
|
||||
#include "vlr_sgs_fsm.h"
|
||||
|
||||
const struct value_string sgs_state_timer_names[] = {
|
||||
{SGS_STATE_TS5, "Ts5"},
|
||||
{SGS_STATE_TS6_2, "Ts6-2"},
|
||||
{SGS_STATE_TS7, "Ts7"},
|
||||
{SGS_STATE_TS11, "Ts11"},
|
||||
{SGS_STATE_TS14, "Ts14"},
|
||||
{SGS_STATE_TS15, "Ts15"},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
const struct value_string sgs_state_counter_names[] = {
|
||||
{SGS_STATE_NS7, "Ns7"},
|
||||
{SGS_STATE_NS11, "Ns11"},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
/* Reset all SGs-Associations back to zero.
|
||||
* \param[in] vlr VLR instace. */
|
||||
void vlr_sgs_reset(struct vlr_instance *vlr)
|
||||
{
|
||||
struct vlr_subscr *vsub;
|
||||
|
||||
OSMO_ASSERT(vlr);
|
||||
|
||||
LOGP(DVLR, LOGL_INFO, "dropping all SGs associations.\n");
|
||||
|
||||
llist_for_each_entry(vsub, &vlr->subscribers, list) {
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_RX_RESET_FROM_MME, NULL);
|
||||
}
|
||||
}
|
||||
|
||||
/*! Perform an SGs location update.
|
||||
* \param[in] vlr VLR instace.
|
||||
* \param[in] cfg SGs interface configuration parameters.
|
||||
* \param[in] response_cb calback function that is called when LU is done.
|
||||
* \param[in] paging_cb calback function that is called when LU needs to page.
|
||||
* \param[in] mminfo_cb calback function that is called to provide MM info to the UE.
|
||||
* \param[in] mme_name fqdn of the requesting MME (mme-name).
|
||||
* \param[in] type location update type (normal or IMSI attach).
|
||||
* \param[in] imsi mobile identity (IMSI).
|
||||
* \param[in] new_lai identifier of the new location area.
|
||||
* \returns 0 in case of success, -EINVAL in case of error. */
|
||||
int vlr_sgs_loc_update(struct vlr_instance *vlr, struct vlr_sgs_cfg *cfg,
|
||||
vlr_sgs_lu_response_cb_t response_cb, vlr_sgs_lu_paging_cb_t paging_cb,
|
||||
vlr_sgs_lu_mminfo_cb_t mminfo_cb, char *mme_name, enum vlr_lu_type type, const char *imsi,
|
||||
struct osmo_location_area_id *new_lai)
|
||||
{
|
||||
struct vlr_subscr *vsub = NULL;
|
||||
|
||||
OSMO_ASSERT(response_cb);
|
||||
OSMO_ASSERT(paging_cb);
|
||||
OSMO_ASSERT(mminfo_cb);
|
||||
OSMO_ASSERT(cfg);
|
||||
OSMO_ASSERT(imsi);
|
||||
|
||||
vsub = vlr_subscr_find_or_create_by_imsi(vlr, imsi, NULL);
|
||||
if (!vsub) {
|
||||
LOGP(DSGS, LOGL_ERROR, "VLR subscriber allocation failed\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
vsub->sgs.cfg = *cfg;
|
||||
vsub->sgs.response_cb = response_cb;
|
||||
vsub->sgs.paging_cb = paging_cb;
|
||||
vsub->sgs.mminfo_cb = mminfo_cb;
|
||||
vlr_subscr_set_imsi(vsub, imsi);
|
||||
osmo_strlcpy(vsub->sgs.mme_name, mme_name, sizeof(vsub->sgs.mme_name));
|
||||
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_RX_LU_FROM_MME, NULL);
|
||||
|
||||
/* FIXME: Use the "type" type parameter (for what is it useful?) */
|
||||
|
||||
vsub->sgs.lai = *new_lai;
|
||||
vsub->cgi.lai = *new_lai;
|
||||
vsub->cs.lac = vsub->sgs.lai.lac;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*! Notify that the SGs Location Update accept message has been sent to MME.
|
||||
* \param[in] vsub VLR subscriber. */
|
||||
void vlr_sgs_loc_update_acc_sent(struct vlr_subscr *vsub)
|
||||
{
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_TX_LU_ACCEPT, NULL);
|
||||
|
||||
/* FIXME: At this point we need to check the status of Ts5 and if
|
||||
* it is still running this means the LU has interrupted the paging,
|
||||
* and we need to start paging again. 3GPP TS 29.118,
|
||||
* chapter 5.2.3.2 */
|
||||
}
|
||||
|
||||
/*! Notify that the SGs Location Update reject message has been sent to MME.
|
||||
* \param[in] vsub VLR subscriber. */
|
||||
void vlr_sgs_loc_update_rej_sent(struct vlr_subscr *vsub)
|
||||
{
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_TX_LU_REJECT, NULL);
|
||||
}
|
||||
|
||||
/*! Perform an SGs IMSI detach.
|
||||
* \param[in] vsub VLR subscriber.
|
||||
* \param[in] imsi mobile identity (IMSI).
|
||||
* \param[in] type datach type. */
|
||||
void vlr_sgs_imsi_detach(struct vlr_instance *vlr, const char *imsi, enum sgsap_imsi_det_noneps_type type)
|
||||
{
|
||||
struct vlr_subscr *vsub;
|
||||
enum sgs_ue_fsm_event evt;
|
||||
vsub = vlr_subscr_find_by_imsi(vlr, imsi);
|
||||
if (!vsub)
|
||||
return;
|
||||
|
||||
switch (type) {
|
||||
case SGSAP_ID_NONEPS_T_EXPLICIT_UE_NONEPS:
|
||||
evt = SGS_UE_E_RX_DETACH_IND_FROM_UE;
|
||||
break;
|
||||
case SGSAP_ID_NONEPS_T_COMBINED_UE_EPS_NONEPS:
|
||||
case SGSAP_ID_NONEPS_T_IMPLICIT_UE_EPS_NONEPS:
|
||||
/* FIXME: Is that right? */
|
||||
evt = SGS_UE_E_RX_DETACH_IND_FROM_MME;
|
||||
break;
|
||||
default:
|
||||
LOGP(DSGS, LOGL_ERROR, "(sub %s) invalid SGS IMSI detach type, detaching anyway...\n",
|
||||
vlr_subscr_msisdn_or_name(vsub));
|
||||
evt = SGS_UE_E_RX_DETACH_IND_FROM_MME;
|
||||
break;
|
||||
}
|
||||
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, evt, NULL);
|
||||
vlr_subscr_put(vsub);
|
||||
}
|
||||
|
||||
/*! Perform an SGs EPS detach.
|
||||
* \param[in] vsub VLR subscriber.
|
||||
* \param[in] imsi mobile identity (IMSI).
|
||||
* \param[in] type datach type. */
|
||||
void vlr_sgs_eps_detach(struct vlr_instance *vlr, const char *imsi, enum sgsap_imsi_det_eps_type type)
|
||||
{
|
||||
struct vlr_subscr *vsub;
|
||||
enum sgs_ue_fsm_event evt;
|
||||
vsub = vlr_subscr_find_by_imsi(vlr, imsi);
|
||||
if (!vsub)
|
||||
return;
|
||||
|
||||
switch (type) {
|
||||
case SGSAP_ID_EPS_T_NETWORK_INITIATED:
|
||||
evt = SGS_UE_E_RX_DETACH_IND_FROM_MME;
|
||||
break;
|
||||
case SGSAP_ID_EPS_T_UE_INITIATED:
|
||||
evt = SGS_UE_E_RX_DETACH_IND_FROM_UE;
|
||||
break;
|
||||
case SGSAP_ID_EPS_T_EPS_NOT_ALLOWED:
|
||||
evt = SGS_UE_E_RX_DETACH_IND_FROM_MME;
|
||||
break;
|
||||
default:
|
||||
LOGP(DSGS, LOGL_ERROR, "(sub %s) invalid SGS IMSI detach type, detaching anyway...\n",
|
||||
vlr_subscr_msisdn_or_name(vsub));
|
||||
evt = SGS_UE_E_RX_DETACH_IND_FROM_MME;
|
||||
break;
|
||||
}
|
||||
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, evt, NULL);
|
||||
vlr_subscr_put(vsub);
|
||||
}
|
||||
|
||||
/*! Perform an SGs TMSI reallocation complete.
|
||||
* \param[in] vsub VLR subscriber.
|
||||
* \param[in] imsi mobile identity (IMSI). */
|
||||
void vlr_sgs_tmsi_reall_compl(struct vlr_instance *vlr, const char *imsi)
|
||||
{
|
||||
struct vlr_subscr *vsub;
|
||||
vsub = vlr_subscr_find_by_imsi(vlr, imsi);
|
||||
if (!vsub)
|
||||
return;
|
||||
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_RX_TMSI_REALLOC, NULL);
|
||||
vlr_subscr_put(vsub);
|
||||
}
|
||||
|
||||
/*! Notify that an SGs paging has been rejected by the MME.
|
||||
* \param[in] vsub VLR subscriber.
|
||||
* \param[in] imsi mobile identity (IMSI).
|
||||
* \param[in] cause SGs cause code. */
|
||||
void vlr_sgs_pag_rej(struct vlr_instance *vlr, const char *imsi, enum sgsap_sgs_cause cause)
|
||||
{
|
||||
struct vlr_subscr *vsub;
|
||||
vsub = vlr_subscr_find_by_imsi(vlr, imsi);
|
||||
if (!vsub)
|
||||
return;
|
||||
|
||||
/* On the reception of a paging rej the VLR is supposed to stop Ts5,
|
||||
also 3GPP TS 29.118, chapter 5.1.2.4 */
|
||||
osmo_timer_del(&vsub->sgs.Ts5);
|
||||
LOGP(DSGS, LOGL_DEBUG, "(sub %s) Paging via SGs interface rejected by MME, %s stopped, cause: %s!\n",
|
||||
vlr_subscr_msisdn_or_name(vsub), vlr_sgs_state_timer_name(SGS_STATE_TS5), sgsap_sgs_cause_name(cause));
|
||||
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_RX_PAGING_FAILURE, &cause);
|
||||
vlr_subscr_put(vsub);
|
||||
|
||||
/* Balance ref count increment from vlr_sgs_pag() */
|
||||
vlr_subscr_put(vsub);
|
||||
}
|
||||
|
||||
/*! Notify that an SGs paging has been accepted by the MME.
|
||||
* \param[in] vsub VLR subscriber.
|
||||
* \param[in] imsi mobile identity (IMSI). */
|
||||
void vlr_sgs_pag_ack(struct vlr_instance *vlr, const char *imsi)
|
||||
{
|
||||
struct vlr_subscr *vsub;
|
||||
vsub = vlr_subscr_find_by_imsi(vlr, imsi);
|
||||
if (!vsub)
|
||||
return;
|
||||
|
||||
/* Stop Ts5 and and consider the paging as successful */
|
||||
osmo_timer_del(&vsub->sgs.Ts5);
|
||||
vlr_subscr_put(vsub);
|
||||
|
||||
/* Balance ref count increment from vlr_sgs_pag() */
|
||||
vlr_subscr_put(vsub);
|
||||
}
|
||||
|
||||
/*! Notify that the UE has been marked as unreachable by the MME.
|
||||
* \param[in] vsub VLR subscriber.
|
||||
* \param[in] imsi mobile identity (IMSI).
|
||||
* \param[in] cause SGs cause code. */
|
||||
void vlr_sgs_ue_unr(struct vlr_instance *vlr, const char *imsi, enum sgsap_sgs_cause cause)
|
||||
{
|
||||
struct vlr_subscr *vsub;
|
||||
vsub = vlr_subscr_find_by_imsi(vlr, imsi);
|
||||
if (!vsub)
|
||||
return;
|
||||
|
||||
/* On the reception of an UE unreachable the VLR is supposed to stop
|
||||
* Ts5, also 3GPP TS 29.118, chapter 5.1.2.5 */
|
||||
osmo_timer_del(&vsub->sgs.Ts5);
|
||||
LOGP(DSGS, LOGL_DEBUG,
|
||||
"(sub %s) Paging via SGs interface not possible, UE unreachable, %s stopped, cause: %s\n",
|
||||
vlr_subscr_msisdn_or_name(vsub), vlr_sgs_state_timer_name(SGS_STATE_TS5), sgsap_sgs_cause_name(cause));
|
||||
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_RX_SGSAP_UE_UNREACHABLE, &cause);
|
||||
vlr_subscr_put(vsub);
|
||||
}
|
||||
|
||||
/* Callback function that is called when an SGs paging request times out */
|
||||
static void Ts5_timeout_cb(void *arg)
|
||||
{
|
||||
struct vlr_subscr *vsub = arg;
|
||||
|
||||
/* 3GPP TS 29.118 does not specify a specif action that has to happen
|
||||
* in case Ts5 times out. The timeout just indicates that the paging
|
||||
* failed. Other actions may check the status of Ts5 to see if a paging
|
||||
* is still ongoing or not. */
|
||||
|
||||
LOGP(DSGS, LOGL_ERROR, "(sub %s) Paging via SGs interface timed out (%s expired)!\n",
|
||||
vlr_subscr_msisdn_or_name(vsub), vlr_sgs_state_timer_name(SGS_STATE_TS5));
|
||||
|
||||
/* Balance ref count increment from vlr_sgs_pag() */
|
||||
vlr_subscr_put(vsub);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/*! Notify that a paging message has been sent and a paging is now in progress.
|
||||
* \param[in] vsub VLR subscriber. */
|
||||
void vlr_sgs_pag(struct vlr_subscr *vsub, enum sgsap_service_ind serv_ind)
|
||||
{
|
||||
|
||||
/* In cases where we have to respawn a paging after an intermitted LU,
|
||||
* there may e a Ts5 still running. In those cases we have to remove
|
||||
* the old timer first */
|
||||
if (osmo_timer_pending(&vsub->sgs.Ts5))
|
||||
osmo_timer_del(&vsub->sgs.Ts5);
|
||||
|
||||
/* Note: 3GPP TS 29.118, chapter 4.2.2 mentions paging in the FSM
|
||||
* diagram, but paging never causes a state transition except when
|
||||
* an explicit failure is indicated (MME actively rejects paging).
|
||||
* Apparantly it is also possible that an LU happens while the paging
|
||||
* is still ongoing and Ts5 is running. (chapter 5.1.2.3). This means
|
||||
* that the paging procedure is intended to run in parallel to the
|
||||
* SGs FSM and given that the benaviour around Ts5 must be implemented
|
||||
* also separately, to emphasize this separation Ts5 is implemented
|
||||
* here in and not in vlr_sgs_fsm.c. */
|
||||
osmo_timer_setup(&vsub->sgs.Ts5, Ts5_timeout_cb, vsub);
|
||||
osmo_timer_schedule(&vsub->sgs.Ts5, vsub->sgs.cfg.timer[SGS_STATE_TS5], 0);
|
||||
|
||||
/* Formally 3GPP TS 29.118 defines the sending of a paging request
|
||||
* as an event, but as far as the VLR is concerned only Ts5 is
|
||||
* started. */
|
||||
osmo_fsm_inst_dispatch(vsub->sgs_fsm, SGS_UE_E_TX_PAGING, NULL);
|
||||
|
||||
/* Memorize service type in for the case that the paging must be
|
||||
* respawned after an LU */
|
||||
vsub->sgs.paging_serv_ind = serv_ind;
|
||||
|
||||
/* Ensure that the reference count is increased by one while the
|
||||
* paging is happening. We will balance this again in vlr_sgs_pag_rej()
|
||||
* and vlr_sgs_pag_ack(); */
|
||||
vlr_subscr_get(vsub);
|
||||
}
|
||||
|
||||
/*! Check if the SGs interface is currently paging
|
||||
* \param[in] vsub VLR subscriber. */
|
||||
bool vlr_sgs_pag_pend(struct vlr_subscr *vsub)
|
||||
{
|
||||
return osmo_timer_pending(&vsub->sgs.Ts5);
|
||||
}
|
|
@ -0,0 +1,386 @@
|
|||
/* (C) 2018-2019 by sysmocom s.f.m.c. GmbH
|
||||
* All Rights Reserved
|
||||
*
|
||||
* Author: Harald Welte, 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/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <osmocom/core/utils.h>
|
||||
#include <osmocom/core/fsm.h>
|
||||
#include <osmocom/gsm/gsm48.h>
|
||||
#include <osmocom/msc/debug.h>
|
||||
#include <osmocom/msc/vlr.h>
|
||||
#include <osmocom/msc/vlr_sgs.h>
|
||||
|
||||
#include "vlr_sgs_fsm.h"
|
||||
#include "vlr_core.h"
|
||||
|
||||
#define S(x) (1 << (x))
|
||||
|
||||
static const struct value_string sgs_ue_fsm_event_names[] = {
|
||||
{SGS_UE_E_VLR_FAILURE, "VLR_FAILURE"},
|
||||
{SGS_UE_E_RX_RESET_FROM_MME, "RX_RESET_FROM_MME"},
|
||||
{SGS_UE_E_RX_DETACH_IND_FROM_MME, "RX_DETACH_IND_FROM_MME"},
|
||||
{SGS_UE_E_RX_DETACH_IND_FROM_UE, "RX_DETACH_IND_FROM_UE"}, /* vlr.c */
|
||||
{SGS_UE_E_RX_LU_FROM_A_IU_GS, "RX_LU_FROM_A_Iu_Gs"}, /* vlr_lu_fsm.c */
|
||||
{SGS_UE_E_RX_PAGING_FAILURE, "RX_PAGING_FAILURE"},
|
||||
{SGS_UE_E_RX_ALERT_FAILURE, "RX_ALERT_FAILURE"},
|
||||
{SGS_UE_E_RX_LU_FROM_MME, "RX_LU_FROM_MME"},
|
||||
{SGS_UE_E_TX_LU_REJECT, "TX_LU_REJECT"},
|
||||
{SGS_UE_E_TX_LU_ACCEPT, "TX_LU_ACCEPT"},
|
||||
{SGS_UE_E_TX_PAGING, "TX_PAGING"},
|
||||
{SGS_UE_E_RX_SGSAP_UE_UNREACHABLE, "RX_SGSAP_UE_UNREACH"},
|
||||
{SGS_UE_E_RX_TMSI_REALLOC, "RX_TMSI_REALLOC"},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
/* Initiate location update and change to SGS_UE_ST_LA_UPD_PRES state */
|
||||
static void perform_lu(struct osmo_fsm_inst *fi)
|
||||
{
|
||||
struct vlr_subscr *vsub = fi->priv;
|
||||
int rc;
|
||||
osmo_fsm_inst_state_chg(fi, SGS_UE_ST_LA_UPD_PRES, 0, 0);
|
||||
vsub->ms_not_reachable_flag = false;
|
||||
|
||||
/* Note: At the moment we allocate a new TMSI on each LU. */
|
||||
rc = vlr_subscr_alloc_tmsi(vsub);
|
||||
if (rc != 0)
|
||||
LOGPFSML(fi, LOGL_ERROR, "(sub %s) VLR LU tmsi allocation failed\n", vlr_subscr_name(vsub));
|
||||
|
||||
rc = vlr_subscr_req_lu(vsub);
|
||||
if (rc != 0)
|
||||
LOGPFSML(fi, LOGL_ERROR, "(sub %s) HLR LU request failed\n", vlr_subscr_name(vsub));
|
||||
}
|
||||
|
||||
/* Send the SGs Association to NULL state immediately */
|
||||
static void to_null(struct osmo_fsm_inst *fi)
|
||||
{
|
||||
struct vlr_subscr *vsub = fi->priv;
|
||||
osmo_fsm_inst_state_chg(fi, SGS_UE_ST_NULL, 0, 0);
|
||||
|
||||
/* Note: This is only relevent for cases where we are in the middle
|
||||
* of an TMSI reallocation procedure. Should a failure of some sort
|
||||
* put us to NULL state, we have to free the pending TMSI */
|
||||
vsub->tmsi_new = GSM_RESERVED_TMSI;
|
||||
|
||||
/* Make sure any ongoing paging is aborted. */
|
||||
vsub->cs.is_paging = false;
|
||||
|
||||
/* Ensure that Ts5 (pending paging via SGs) is deleted */
|
||||
if (vlr_sgs_pag_pend(vsub))
|
||||
osmo_timer_del(&vsub->sgs.Ts5);
|
||||
}
|
||||
|
||||
/* Respawn a pending paging (Timer is reset and a new paging request is sent) */
|
||||
static void respawn_paging(struct vlr_subscr *vsub)
|
||||
{
|
||||
if (vlr_sgs_pag_pend(vsub)) {
|
||||
|
||||
/* Delete the old paging timer first. */
|
||||
osmo_timer_del(&vsub->sgs.Ts5);
|
||||
|
||||
/* Issue a fresh paging request */
|
||||
vsub->sgs.paging_cb(vsub, vsub->sgs.paging_serv_ind);
|
||||
}
|
||||
}
|
||||
|
||||
/* Figure 4.2.2.1 SGs-NULL */
|
||||
static void sgs_ue_fsm_null(struct osmo_fsm_inst *fi, uint32_t event, void *data)
|
||||
{
|
||||
switch (event) {
|
||||
case SGS_UE_E_RX_LU_FROM_MME:
|
||||
perform_lu(fi);
|
||||
break;
|
||||
case SGS_UE_E_TX_PAGING:
|
||||
/* do nothing */
|
||||
break;
|
||||
case SGS_UE_E_RX_PAGING_FAILURE:
|
||||
/* do nothing */
|
||||
break;
|
||||
default:
|
||||
OSMO_ASSERT(0);
|
||||
}
|
||||
}
|
||||
|
||||
/* Figure 4.2.2.1 SGs-LA-UPDATE-PRESENT */
|
||||
static void sgs_ue_fsm_lau_present(struct osmo_fsm_inst *fi, uint32_t event, void *data)
|
||||
{
|
||||
struct vlr_subscr *vsub = fi->priv;
|
||||
enum sgsap_sgs_cause *cause = NULL;
|
||||
|
||||
switch (event) {
|
||||
case SGS_UE_E_TX_LU_ACCEPT:
|
||||
vsub->conf_by_radio_contact_ind = true;
|
||||
vsub->sub_dataconf_by_hlr_ind = true;
|
||||
vsub->loc_conf_in_hlr_ind = true;
|
||||
vsub->la_allowed = true;
|
||||
vsub->imsi_detached_flag = false;
|
||||
vsub->lu_complete = true;
|
||||
vlr_sgs_fsm_update_id(vsub);
|
||||
vsub->cs.attached_via_ran = OSMO_RAT_EUTRAN_SGS;
|
||||
|
||||
/* Check if we expect a TMSI REALLOCATION COMPLETE message from the MME
|
||||
* by checking the tmsi_new flag. If this flag is not GSM_RESERVED_TMSI
|
||||
* we know that we have a TMSI pending and need to wait for the MME
|
||||
* to acknowlege first */
|
||||
if (vsub->tmsi_new != GSM_RESERVED_TMSI) {
|
||||
osmo_fsm_inst_state_chg(fi, SGS_UE_ST_ASSOCIATED, vsub->sgs.cfg.timer[SGS_STATE_TS6_2],
|
||||
SGS_STATE_TS6_2);
|
||||
} else {
|
||||
/* Trigger sending of an MM information request */
|
||||
vsub->sgs.mminfo_cb(vsub);
|
||||
|
||||
/* In cases where the LU has interrupted the paging, respawn the paging now,
|
||||
* See also: 3GPP TS 29.118, chapter 5.2.3.2 Location update response */
|
||||
if (vlr_sgs_pag_pend(vsub))
|
||||
respawn_paging(vsub);
|
||||
|
||||
osmo_fsm_inst_state_chg(fi, SGS_UE_ST_ASSOCIATED, 0, 0);
|
||||
}
|
||||
|
||||
break;
|
||||
case SGS_UE_E_RX_PAGING_FAILURE:
|
||||
cause = data;
|
||||
if (*cause == SGSAP_SGS_CAUSE_MT_CSFB_REJ_USER)
|
||||
break;
|
||||
to_null(fi);
|
||||
break;
|
||||
case SGS_UE_E_TX_LU_REJECT:
|
||||
case SGS_UE_E_RX_ALERT_FAILURE:
|
||||
to_null(fi);
|
||||
break;
|
||||
case SGS_UE_E_TX_PAGING:
|
||||
/* do nothing */
|
||||
break;
|
||||
default:
|
||||
OSMO_ASSERT(0);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Figure 4.2.2.1 SGs-ASSOCIATED */
|
||||
static void sgs_ue_fsm_associated(struct osmo_fsm_inst *fi, uint32_t event, void *data)
|
||||
{
|
||||
struct vlr_subscr *vsub = fi->priv;
|
||||
enum sgsap_sgs_cause *cause = NULL;
|
||||
|
||||
switch (event) {
|
||||
case SGS_UE_E_TX_PAGING:
|
||||
/* do nothing */
|
||||
break;
|
||||
case SGS_UE_E_RX_TMSI_REALLOC:
|
||||
if (vsub->tmsi_new == GSM_RESERVED_TMSI) {
|
||||
LOGPFSML(fi, LOGL_ERROR,
|
||||
"(sub %s) TMSI reallocation completed at the MME, but no TMSI reallocation ordered.\n",
|
||||
vlr_subscr_msisdn_or_name(vsub));
|
||||
}
|
||||
|
||||
vsub->tmsi = vsub->tmsi_new;
|
||||
vsub->tmsi_new = GSM_RESERVED_TMSI;
|
||||
|
||||
/* Trigger sending of MM information */
|
||||
vsub->sgs.mminfo_cb(vsub);
|
||||
|
||||
/* In cases where the LU has interrupted the paging, respawn the paging now,
|
||||
* See also: 3GPP TS 29.118, chapter 5.2.3.2 Location update response */
|
||||
if (vlr_sgs_pag_pend(vsub))
|
||||
respawn_paging(vsub);
|
||||
|
||||
/* Note: We are already in SGS_UE_ST_ASSOCIATED but the
|
||||
* transition that lead us here had is guarded with Ts6-1,
|
||||
* wo we change the state now once more without timeout
|
||||
* to ensure the timer is stopped */
|
||||
osmo_fsm_inst_state_chg(fi, SGS_UE_ST_ASSOCIATED, 0, 0);
|
||||
break;
|
||||
case SGS_UE_E_RX_SGSAP_UE_UNREACHABLE:
|
||||
/* do nothing */
|
||||
break;
|
||||
case SGS_UE_E_RX_PAGING_FAILURE:
|
||||
cause = data;
|
||||
if (*cause == SGSAP_SGS_CAUSE_MT_CSFB_REJ_USER)
|
||||
break;
|
||||
to_null(fi);
|
||||
case SGS_UE_E_RX_ALERT_FAILURE:
|
||||
to_null(fi);
|
||||
break;
|
||||
case SGS_UE_E_RX_LU_FROM_MME:
|
||||
perform_lu(fi);
|
||||
break;
|
||||
default:
|
||||
OSMO_ASSERT(0);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Figure 4.2.2.1 From any of the three states (at the VLR) */
|
||||
static void sgs_ue_fsm_allstate(struct osmo_fsm_inst *fi, uint32_t event, void *data)
|
||||
{
|
||||
struct vlr_subscr *vsub = fi->priv;
|
||||
|
||||
switch (event) {
|
||||
case SGS_UE_E_RX_DETACH_IND_FROM_MME:
|
||||
case SGS_UE_E_RX_DETACH_IND_FROM_UE:
|
||||
vsub->imsi_detached_flag = true;
|
||||
vsub->expire_lu = VLR_SUBSCRIBER_NO_EXPIRATION;
|
||||
/* See 5.4.3 and 5.5.3 */
|
||||
to_null(fi);
|
||||
break;
|
||||
case SGS_UE_E_RX_RESET_FROM_MME:
|
||||
/* See also 3GPP TS 29.118, chapter 5.7.2.1 VLR Reset Initiation */
|
||||
vsub->conf_by_radio_contact_ind = false;
|
||||
to_null(fi);
|
||||
break;
|
||||
case SGS_UE_E_VLR_FAILURE:
|
||||
case SGS_UE_E_RX_LU_FROM_A_IU_GS:
|
||||
to_null(fi);
|
||||
break;
|
||||
default:
|
||||
OSMO_ASSERT(0);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static int sgs_ue_fsm_timer_cb(struct osmo_fsm_inst *fi)
|
||||
{
|
||||
struct vlr_subscr *vsub = fi->priv;
|
||||
switch (fi->T) {
|
||||
|
||||
case SGS_STATE_TS6_2:
|
||||
/* Failed TMSI reallocation procedure, deallocate all TMSI
|
||||
* information, but don't change the SGs association state. */
|
||||
vsub->tmsi_new = GSM_RESERVED_TMSI;
|
||||
vsub->tmsi = GSM_RESERVED_TMSI;
|
||||
break;
|
||||
default:
|
||||
/* Unhandled timer */
|
||||
OSMO_ASSERT(false);
|
||||
break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct osmo_fsm_state sgs_ue_fsm_states[] = {
|
||||
[SGS_UE_ST_NULL] = {
|
||||
.name = "SGs-NULL",
|
||||
.action = sgs_ue_fsm_null,
|
||||
.in_event_mask = 0
|
||||
| S(SGS_UE_E_RX_LU_FROM_MME)
|
||||
| S(SGS_UE_E_TX_PAGING)
|
||||
| S(SGS_UE_E_RX_PAGING_FAILURE)
|
||||
,
|
||||
.out_state_mask = 0
|
||||
| S(SGS_UE_ST_NULL)
|
||||
| S(SGS_UE_ST_LA_UPD_PRES)
|
||||
,
|
||||
},
|
||||
[SGS_UE_ST_LA_UPD_PRES] = {
|
||||
.name = "SGs-LA-UPDATE-PRESENT",
|
||||
.action = sgs_ue_fsm_lau_present,
|
||||
.in_event_mask = 0
|
||||
| S(SGS_UE_E_TX_LU_ACCEPT)
|
||||
| S(SGS_UE_E_TX_LU_REJECT)
|
||||
| S(SGS_UE_E_TX_PAGING)
|
||||
| S(SGS_UE_E_RX_PAGING_FAILURE)
|
||||
| S(SGS_UE_E_RX_ALERT_FAILURE)
|
||||
,
|
||||
.out_state_mask = 0
|
||||
| S(SGS_UE_ST_NULL)
|
||||
| S(SGS_UE_ST_ASSOCIATED)
|
||||
| S(SGS_UE_ST_LA_UPD_PRES)
|
||||
,
|
||||
},
|
||||
[SGS_UE_ST_ASSOCIATED] = {
|
||||
.name = "SGs-ASSOCIATED",
|
||||
.action = sgs_ue_fsm_associated,
|
||||
.in_event_mask = 0
|
||||
| S(SGS_UE_E_TX_PAGING)
|
||||
| S(SGS_UE_E_RX_TMSI_REALLOC)
|
||||
| S(SGS_UE_E_RX_SGSAP_UE_UNREACHABLE)
|
||||
| S(SGS_UE_E_RX_PAGING_FAILURE)
|
||||
| S(SGS_UE_E_RX_ALERT_FAILURE)
|
||||
| S(SGS_UE_E_RX_LU_FROM_MME)
|
||||
,
|
||||
.out_state_mask = 0
|
||||
| S(SGS_UE_ST_NULL)
|
||||
| S(SGS_UE_ST_ASSOCIATED)
|
||||
| S(SGS_UE_ST_LA_UPD_PRES)
|
||||
,
|
||||
},
|
||||
};
|
||||
|
||||
static struct osmo_fsm sgs_ue_fsm = {
|
||||
.name = "SGs-UE",
|
||||
.states = sgs_ue_fsm_states,
|
||||
.num_states = ARRAY_SIZE(sgs_ue_fsm_states),
|
||||
.allstate_event_mask = S(SGS_UE_E_RX_RESET_FROM_MME) |
|
||||
S(SGS_UE_E_VLR_FAILURE) | S(SGS_UE_E_RX_DETACH_IND_FROM_MME) | S(SGS_UE_E_RX_DETACH_IND_FROM_UE) |
|
||||
S(SGS_UE_E_RX_LU_FROM_A_IU_GS),
|
||||
.allstate_action = sgs_ue_fsm_allstate,
|
||||
.timer_cb = sgs_ue_fsm_timer_cb,
|
||||
.log_subsys = DSGS,
|
||||
.event_names = sgs_ue_fsm_event_names,
|
||||
};
|
||||
|
||||
/*! Initalize/Register SGs FSM in osmo-fsm subsystem */
|
||||
void vlr_sgs_fsm_init(void)
|
||||
{
|
||||
if (osmo_fsm_find_by_name(sgs_ue_fsm.name) != &sgs_ue_fsm)
|
||||
osmo_fsm_register(&sgs_ue_fsm);
|
||||
}
|
||||
|
||||
/*! Crate SGs FSM in struct vlr_subscr.
|
||||
* \param[in] vsub VLR subscriber for which the SGs FSM should be created. */
|
||||
void vlr_sgs_fsm_create(struct vlr_subscr *vsub)
|
||||
{
|
||||
char interim_fsm_id[256];
|
||||
static unsigned int fsm_id_num = 0;
|
||||
|
||||
/* An SGSs FSM must not be created twice! */
|
||||
OSMO_ASSERT(!vsub->sgs_fsm);
|
||||
|
||||
snprintf(interim_fsm_id, sizeof(interim_fsm_id), "num:%u", fsm_id_num);
|
||||
|
||||
vsub->sgs_fsm = osmo_fsm_inst_alloc(&sgs_ue_fsm, vsub, vsub, LOGL_INFO, interim_fsm_id);
|
||||
OSMO_ASSERT(vsub->sgs_fsm);
|
||||
|
||||
osmo_fsm_inst_state_chg(vsub->sgs_fsm, SGS_UE_ST_NULL, 0, 0);
|
||||
|
||||
fsm_id_num++;
|
||||
}
|
||||
|
||||
/*! Remove SGs FSM from struct vlr_subscr.
|
||||
* \param[in] vsub VLR subscriber from which the SGs FSM should be removed. */
|
||||
void vlr_sgs_fsm_remove(struct vlr_subscr *vsub)
|
||||
{
|
||||
/* An SGSs FSM must exist! */
|
||||
OSMO_ASSERT(vsub->sgs_fsm);
|
||||
|
||||
osmo_fsm_inst_state_chg(vsub->sgs_fsm, SGS_UE_ST_NULL, 0, 0);
|
||||
osmo_fsm_inst_term(vsub->sgs_fsm, OSMO_FSM_TERM_REGULAR, NULL);
|
||||
vsub->sgs_fsm = NULL;
|
||||
}
|
||||
|
||||
/*! Update the ID of the SGs FSM with the subscriber IMSI
|
||||
* \param[in] vsub VLR subscriber to update. */
|
||||
void vlr_sgs_fsm_update_id(struct vlr_subscr *vsub)
|
||||
{
|
||||
char fsm_id[256];
|
||||
|
||||
if (strlen(vsub->imsi) > 0) {
|
||||
snprintf(fsm_id, sizeof(fsm_id), "imsi:%s", vsub->imsi);
|
||||
osmo_fsm_inst_update_id(vsub->sgs_fsm, fsm_id);
|
||||
}
|
||||
}
|
|
@ -0,0 +1,42 @@
|
|||
/* (C) 2018-2019 by sysmocom s.f.m.c. GmbH
|
||||
* All Rights Reserved
|
||||
*
|
||||
* Author: Harald Welte, 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
|
||||
|
||||
enum sgs_ue_fsm_event {
|
||||
SGS_UE_E_VLR_FAILURE,
|
||||
SGS_UE_E_RX_RESET_FROM_MME,
|
||||
SGS_UE_E_RX_DETACH_IND_FROM_MME,
|
||||
SGS_UE_E_RX_DETACH_IND_FROM_UE,
|
||||
SGS_UE_E_RX_LU_FROM_A_IU_GS,
|
||||
SGS_UE_E_RX_PAGING_FAILURE,
|
||||
SGS_UE_E_RX_ALERT_FAILURE,
|
||||
SGS_UE_E_RX_LU_FROM_MME,
|
||||
SGS_UE_E_TX_LU_REJECT,
|
||||
SGS_UE_E_TX_LU_ACCEPT,
|
||||
SGS_UE_E_TX_PAGING,
|
||||
SGS_UE_E_RX_SGSAP_UE_UNREACHABLE,
|
||||
SGS_UE_E_RX_TMSI_REALLOC,
|
||||
};
|
||||
|
||||
void vlr_sgs_fsm_init(void);
|
||||
void vlr_sgs_fsm_create(struct vlr_subscr *vsub);
|
||||
void vlr_sgs_fsm_remove(struct vlr_subscr *vsub);
|
||||
void vlr_sgs_fsm_update_id(struct vlr_subscr *vsub);
|
|
@ -12,6 +12,7 @@ AM_CFLAGS = \
|
|||
$(LIBOSMOVTY_CFLAGS) \
|
||||
$(LIBOSMOCTRL_CFLAGS) \
|
||||
$(LIBOSMOABIS_CFLAGS) \
|
||||
$(LIBOSMONETIF_CFLAGS) \
|
||||
$(LIBSMPP34_CFLAGS) \
|
||||
$(LIBOSMORANAP_CFLAGS) \
|
||||
$(LIBASN1C_CFLAGS) \
|
||||
|
@ -40,11 +41,13 @@ osmo_msc_LDADD = \
|
|||
$(LIBOSMOCORE_LIBS) \
|
||||
$(LIBOSMOCTRL_LIBS) \
|
||||
$(LIBOSMOABIS_LIBS) \
|
||||
$(LIBOSMONETIF_LIBS) \
|
||||
$(LIBSMPP34_LIBS) \
|
||||
$(LIBOSMOSIGTRAN_LIBS) \
|
||||
$(LIBOSMOMGCPCLIENT_LIBS) \
|
||||
$(LIBOSMOGSUPCLIENT_LIBS) \
|
||||
-ldbi \
|
||||
-lsctp \
|
||||
$(NULL)
|
||||
if BUILD_IU
|
||||
osmo_msc_LDADD += \
|
||||
|
|
|
@ -61,6 +61,7 @@
|
|||
#include <osmocom/msc/smpp.h>
|
||||
#include <osmocom/sigtran/osmo_ss7.h>
|
||||
#include <osmocom/mgcp_client/mgcp_client.h>
|
||||
#include <osmocom/msc/sgs_iface.h>
|
||||
|
||||
#ifdef BUILD_IU
|
||||
#include <osmocom/ranap/iu_client.h>
|
||||
|
@ -491,6 +492,12 @@ static const struct log_info_cat msc_default_categories[] = {
|
|||
.description = "BSSAP Protocol (A Interface)",
|
||||
.enabled = 1, .loglevel = LOGL_NOTICE,
|
||||
},
|
||||
[DSGS] = {
|
||||
.name = "DSGS",
|
||||
.description = "SGs Interface (SGsAP)",
|
||||
.enabled = 1, .loglevel = LOGL_NOTICE,
|
||||
},
|
||||
|
||||
|
||||
};
|
||||
|
||||
|
@ -566,6 +573,7 @@ int main(int argc, char **argv)
|
|||
if (smpp_openbsc_alloc_init(tall_msc_ctx) < 0)
|
||||
return -1;
|
||||
#endif
|
||||
sgs_iface_init(tall_msc_ctx, msc_network);
|
||||
|
||||
rc = vty_read_config_file(msc_cmdline_config.config_file, NULL);
|
||||
if (rc < 0) {
|
||||
|
|
|
@ -57,6 +57,7 @@ LDADD = \
|
|||
|
||||
noinst_HEADERS = \
|
||||
msc_vlr_tests.h \
|
||||
stubs.h \
|
||||
$(NULL)
|
||||
|
||||
EXTRA_DIST = \
|
||||
|
|
|
@ -24,6 +24,7 @@
|
|||
/* NOTE that further auth re-use tests exist in msc_vlr_test_hlr_reject.c */
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
static void _test_auth_reuse(enum osmo_rat_type via_ran,
|
||||
int set_max_reuse_count,
|
||||
|
|
|
@ -22,6 +22,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
#include <osmocom/msc/gsm_04_08.h>
|
||||
|
||||
|
|
|
@ -22,6 +22,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
static void test_gsm_authen()
|
||||
{
|
||||
|
|
|
@ -22,6 +22,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
static void test_ciph()
|
||||
{
|
||||
|
|
|
@ -22,6 +22,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
static void test_hlr_rej_auth_info_unknown_imsi()
|
||||
{
|
||||
|
|
|
@ -22,6 +22,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
#include <osmocom/core/logging.h>
|
||||
|
||||
|
|
|
@ -22,6 +22,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
static void test_ms_timeout_lu_auth_resp()
|
||||
{
|
||||
|
|
|
@ -22,6 +22,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
static void test_no_authen()
|
||||
{
|
||||
|
|
|
@ -22,6 +22,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
static void test_reject_2nd_conn()
|
||||
{
|
||||
|
|
|
@ -22,6 +22,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
static void test_early_stage()
|
||||
{
|
||||
|
|
|
@ -21,6 +21,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
#define IMSI "901700000004620"
|
||||
|
||||
|
|
|
@ -22,6 +22,7 @@
|
|||
*/
|
||||
|
||||
#include "msc_vlr_tests.h"
|
||||
#include "stubs.h"
|
||||
|
||||
static void _test_umts_authen(enum osmo_rat_type via_ran)
|
||||
{
|
||||
|
|
|
@ -0,0 +1,40 @@
|
|||
/* (C) 2018-2019 by sysmocom s.f.m.c. GmbH
|
||||
* All Rights Reserved
|
||||
*
|
||||
* Author: Harald Welte, 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/>.
|
||||
*
|
||||
*/
|
||||
|
||||
void osmo_stream_srv_link_set_data(struct osmo_stream_srv_link *link, void *data) {}
|
||||
struct osmo_fd *osmo_stream_srv_get_ofd(struct osmo_stream_srv *srv) { return NULL; }
|
||||
void osmo_stream_srv_destroy(struct osmo_stream_srv *conn) {}
|
||||
struct osmo_stream_srv *osmo_stream_srv_create(void *ctx, struct osmo_stream_srv_link *link,
|
||||
int fd, int (*cb)(struct osmo_stream_srv *conn),
|
||||
int (*closed_cb)(struct osmo_stream_srv *conn),
|
||||
void *data) { return NULL; }
|
||||
void osmo_stream_srv_send(struct osmo_stream_srv *conn, struct msgb *msg) {}
|
||||
void osmo_stream_srv_link_set_proto(struct osmo_stream_srv_link *link, uint16_t proto) {}
|
||||
struct osmo_fd *osmo_stream_srv_link_get_ofd(struct osmo_stream_srv_link *link) { return NULL; }
|
||||
struct osmo_stream_srv_link *osmo_stream_srv_link_create(void *ctx) { return NULL; }
|
||||
void *osmo_stream_srv_get_data(struct osmo_stream_srv *conn) { return NULL; }
|
||||
void osmo_stream_srv_link_set_nodelay(struct osmo_stream_srv_link *link, bool nodelay) {}
|
||||
void osmo_stream_srv_link_set_accept_cb(struct osmo_stream_srv_link *link, int (*accept_cb)
|
||||
(struct osmo_stream_srv_link *link, int fd)) {}
|
||||
int osmo_stream_srv_link_open(struct osmo_stream_srv_link *link) { return 0; }
|
||||
void *osmo_stream_srv_link_get_data(struct osmo_stream_srv_link *link) { return NULL; }
|
||||
void osmo_stream_srv_link_set_port(struct osmo_stream_srv_link *link, uint16_t port) {}
|
||||
void osmo_stream_srv_link_set_addr(struct osmo_stream_srv_link *link, const char *addr) {}
|
||||
int sctp_recvmsg(int sd, void *msg, size_t len, void *from, void *fromlen, void *info, int *msg_flags) { return 0; }
|
|
@ -237,3 +237,24 @@ int main(int argc, char **argv)
|
|||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void osmo_stream_srv_link_set_data(struct osmo_stream_srv_link *link, void *data) {}
|
||||
struct osmo_fd *osmo_stream_srv_get_ofd(struct osmo_stream_srv *srv) { return NULL; }
|
||||
void osmo_stream_srv_destroy(struct osmo_stream_srv *conn) {}
|
||||
struct osmo_stream_srv *osmo_stream_srv_create(void *ctx, struct osmo_stream_srv_link *link,
|
||||
int fd, int (*cb)(struct osmo_stream_srv *conn),
|
||||
int (*closed_cb)(struct osmo_stream_srv *conn),
|
||||
void *data) { return NULL; }
|
||||
void osmo_stream_srv_send(struct osmo_stream_srv *conn, struct msgb *msg) {}
|
||||
void osmo_stream_srv_link_set_proto(struct osmo_stream_srv_link *link, uint16_t proto) {}
|
||||
struct osmo_fd *osmo_stream_srv_link_get_ofd(struct osmo_stream_srv_link *link) { return NULL; }
|
||||
struct osmo_stream_srv_link *osmo_stream_srv_link_create(void *ctx) { return NULL; }
|
||||
void *osmo_stream_srv_get_data(struct osmo_stream_srv *conn) { return NULL; }
|
||||
void osmo_stream_srv_link_set_nodelay(struct osmo_stream_srv_link *link, bool nodelay) {}
|
||||
void osmo_stream_srv_link_set_accept_cb(struct osmo_stream_srv_link *link, int (*accept_cb)
|
||||
(struct osmo_stream_srv_link *link, int fd)) {}
|
||||
int osmo_stream_srv_link_open(struct osmo_stream_srv_link *link) { return 0; }
|
||||
void *osmo_stream_srv_link_get_data(struct osmo_stream_srv_link *link) { return NULL; }
|
||||
void osmo_stream_srv_link_set_port(struct osmo_stream_srv_link *link, uint16_t port) {}
|
||||
void osmo_stream_srv_link_set_addr(struct osmo_stream_srv_link *link, const char *addr) {}
|
||||
int sctp_recvmsg(int sd, void *msg, size_t len, void *from, void *fromlen, void *info, int *msg_flags) { return 0; }
|
||||
|
|
|
@ -4,6 +4,7 @@ OsmoMSC(config)# list
|
|||
...
|
||||
network
|
||||
msc
|
||||
sgs
|
||||
mncc-int
|
||||
hlr
|
||||
...
|
||||
|
@ -92,6 +93,18 @@ OsmoMSC(config)# exit
|
|||
OsmoMSC# configure terminal
|
||||
OsmoMSC(config)# network
|
||||
OsmoMSC(config-net)# end
|
||||
|
||||
OsmoMSC# configure terminal
|
||||
OsmoMSC(config)# sgs
|
||||
OsmoMSC(config-sgs)# list
|
||||
...
|
||||
local-ip A.B.C.D
|
||||
local-port <0-65535>
|
||||
timer (ts5|ts6-2|ts7|ts11|ts14|ts15) <1-120>
|
||||
counter (ns7|ns11) <0-255>
|
||||
vlr-name FQDN
|
||||
OsmoMSC(config-sgs)# end
|
||||
|
||||
OsmoMSC# disable
|
||||
OsmoMSC> enable
|
||||
|
||||
|
@ -125,4 +138,7 @@ mncc-int
|
|||
hlr
|
||||
remote-ip 127.0.0.1
|
||||
remote-port 4222
|
||||
sgs
|
||||
local-ip 0.0.0.0
|
||||
vlr-name vlr.example.net
|
||||
end
|
||||
|
|
Loading…
Reference in New Issue