This is 0.3.99.20 with bring-up hacks, possible crash fixes

This makes sure that someone can call bsc_msc_lost multiple times
even if there is no MSC connection. This makes sense as bsc_msc_lost
is public and be called from client code.

openbsc/Makefile.am

@@ -4,7 +4,7 @@ INCLUDES = $(all_includes) -I$(top_srcdir)/include
 SUBDIRS = include src tests
 
 pkgconfigdir = $(libdir)/pkgconfig
-pkgconfig_DATA = openbsc.pc libsccp.pc
+pkgconfig_DATA = openbsc.pc
 
 BUILT_SOURCES = $(top_srcdir)/.version
 $(top_srcdir)/.version:

openbsc/configure.in

@@ -1,9 +1,6 @@
 dnl Process this file with autoconf to produce a configure script
-AC_INIT([openbsc],
-	m4_esyscmd([./git-version-gen .tarball-version]),
-	[openbsc-devel@lists.openbsc.org])
-
-AM_INIT_AUTOMAKE([dist-bzip2])
+AC_INIT(openbsc, 0.3.99.20onwaves)
+AM_INIT_AUTOMAKE(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)
 
 dnl kernel style compile messages
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
@@ -18,7 +15,8 @@ dnl checks for libraries
 AC_SEARCH_LIBS(crypt, crypt,
     [LIBCRYPT="-lcrypt"; AC_DEFINE([VTY_CRYPT_PW], [], [Use crypt functionality of vty.])])
 
-PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 0.1.3)
+PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 0.1.22)
+PKG_CHECK_MODULES(LIBOSMOSCCP, libosmo-sccp >= 0.0.3)
 
 dnl checks for header files
 AC_HEADER_STDC
@@ -42,10 +40,8 @@ AM_CONFIG_HEADER(bscconfig.h)
 
 AC_OUTPUT(
     openbsc.pc
-    libsccp.pc
     include/openbsc/Makefile
     include/vty/Makefile
-    include/sccp/Makefile
     include/Makefile
     src/Makefile
     tests/Makefile
@@ -53,5 +49,4 @@ AC_OUTPUT(
     tests/gsm0408/Makefile
     tests/db/Makefile
     tests/channel/Makefile
-    tests/sccp/Makefile
     Makefile)

openbsc/contrib/README

@@ -0,0 +1,2 @@
+This contains a set of scripts used for the development of the
+MSC functionality.

openbsc/contrib/send_handshake.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+import sys
+
+# packages
+ACK ="\x00\x01\xfe\x06"
+RESET_ACK = "\x00\x13\xfd\x09\x00\x03\x07\x0b\x04\x43\x01\x00\xfe\x04\x43\x5c\x00\xfe\x03\x00\x01\x31"
+PAGE = "\x00\x20\xfd\x09\x00\x03\x07\x0b\x04\x43\x01\x00\xfe\x04\x43\x5c\x00\xfe\x10\x00\x0e\x52\x08\x08\x29\x42\x08\x05\x03\x12\x23\x42\x1a\x01\x06"
+
+
+# simple handshake...
+sys.stdout.write(ACK)
+sys.stdout.flush()
+sys.stdin.read(4)
+
+# wait for some data and send reset ack
+sys.stdin.read(21)
+sys.stdout.write(RESET_ACK)
+sys.stdout.flush()
+
+sys.stdout.write(RESET_ACK)
+sys.stdout.flush()
+
+# page a subscriber
+sys.stdout.write(PAGE)
+sys.stdout.flush()
+
+while True:
+    sys.stdin.read(1)
+

openbsc/include/Makefile.am

@@ -1,3 +1,3 @@
-SUBDIRS = openbsc vty sccp
+SUBDIRS = openbsc vty
 
 noinst_HEADERS = mISDNif.h compat_af_isdn.h

openbsc/include/openbsc/Makefile.am

@@ -6,7 +6,8 @@ noinst_HEADERS = abis_nm.h abis_rsl.h db.h gsm_04_08.h gsm_data.h \
 		 bsc_rll.h mncc.h transaction.h ussd.h gsm_04_80.h \
 		 silent_call.h mgcp.h meas_rep.h rest_octets.h \
 		 system_information.h handover.h mgcp_internal.h \
-		 vty.h
+		 vty.h bssap.h bsc_msc.h bsc_nat.h osmo_bsc_rf.h \
+		 osmo_bsc_grace.h
 
 openbsc_HEADERS = gsm_04_08.h meas_rep.h bsc_api.h
 openbscdir = $(includedir)/openbsc

openbsc/include/openbsc/abis_nm.h

@@ -55,6 +55,8 @@ struct ipac_bcch_info {
 	u_int8_t ca_list_si1[16];
 };
 
+extern const struct value_string abis_nm_adm_state_names[];
+extern const struct value_string abis_nm_obj_class_names[];
 extern const struct tlv_definition nm_att_tlvdef;
 
 /* PUBLIC */
@@ -92,7 +94,7 @@ int abis_nm_sw_act_req_ack(struct gsm_bts *bts, u_int8_t obj_class, u_int8_t i1,
 int abis_nm_raw_msg(struct gsm_bts *bts, int len, u_int8_t *msg);
 int abis_nm_event_reports(struct gsm_bts *bts, int on);
 int abis_nm_reset_resource(struct gsm_bts *bts);
-int abis_nm_software_load(struct gsm_bts *bts, const char *fname,
+int abis_nm_software_load(struct gsm_bts *bts, int trx_nr, const char *fname,
 			  u_int8_t win_size, int forced,
 			  gsm_cbfn *cbfn, void *cb_data);
 int abis_nm_software_load_status(struct gsm_bts *bts);
@@ -148,7 +150,7 @@ int abis_nm_ipaccess_msg(struct gsm_bts *bts, u_int8_t msg_type,
 			 u_int8_t *attr, int attr_len);
 int abis_nm_ipaccess_set_nvattr(struct gsm_bts_trx *trx, u_int8_t *attr,
 				int attr_len);
-int abis_nm_ipaccess_restart(struct gsm_bts *bts);
+int abis_nm_ipaccess_restart(struct gsm_bts_trx *trx);
 int abis_nm_ipaccess_set_attr(struct gsm_bts *bts, u_int8_t obj_class,
 				u_int8_t bts_nr, u_int8_t trx_nr, u_int8_t ts_nr,
 				u_int8_t *attr, u_int8_t attr_len);
@@ -164,9 +166,15 @@ enum nm_evt {
 	EVT_STATECHG_ADM,
 };
 int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
-		   struct gsm_nm_state *old_state, struct gsm_nm_state *new_state); 
+		   struct gsm_nm_state *old_state, struct gsm_nm_state *new_state,
+		   struct abis_om_obj_inst *obj_inst);
 
 const char *nm_opstate_name(u_int8_t os);
 const char *nm_avail_name(u_int8_t avail);
 int nm_is_running(struct gsm_nm_state *s);
+void abis_nm_clear_queue(struct gsm_bts *bts);
+
+
+int abis_nm_vty_init(void);
+
 #endif /* _NM_H */

openbsc/include/openbsc/abis_rsl.h

@@ -68,13 +68,16 @@ unsigned int get_paging_group(u_int64_t imsi, unsigned int bs_cc_chans,
 unsigned int n_pag_blocks(int bs_ccch_sdcch_comb, unsigned int bs_ag_blks_res);
 u_int64_t str_to_imsi(const char *imsi_str);
 u_int8_t lchan2chan_nr(const struct gsm_lchan *lchan);
-int rsl_release_request(struct gsm_lchan *lchan, u_int8_t link_id);
+int rsl_release_request(struct gsm_lchan *lchan, u_int8_t link_id, u_int8_t release_reason);
+
+int rsl_lchan_set_state(struct gsm_lchan *lchan, int);
 
 int rsl_lchan_set_state(struct gsm_lchan *lchan, int);
 
 /* to be provided by external code */
 int abis_rsl_sendmsg(struct msgb *msg);
 int rsl_deact_sacch(struct gsm_lchan *lchan);
+int rsl_lchan_rll_release(struct gsm_lchan *lchan, u_int8_t link_id);
 
 /* BCCH related code */
 int rsl_ccch_conf_to_bs_cc_chans(int ccch_conf);

openbsc/include/openbsc/bsc_msc.h

@@ -0,0 +1,51 @@
+/* Routines to talk to the MSC using the IPA Protocol */
+/*
+ * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2010 by On-Waves
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef BSC_MSC_H
+#define BSC_MSC_H
+
+#include <osmocore/write_queue.h>
+#include <osmocore/timer.h>
+
+struct bsc_msc_connection {
+	struct write_queue write_queue;
+	int is_connected;
+	int is_authenticated;
+	const char *ip;
+	int port;
+	int prio;
+
+	void (*connection_loss) (struct bsc_msc_connection *);
+	void (*connected) (struct bsc_msc_connection *);
+	struct timer_list reconnect_timer;
+	struct timer_list timeout_timer;
+};
+
+struct bsc_msc_connection *bsc_msc_create(const char *ip, int port, int prio);
+int bsc_msc_connect(struct bsc_msc_connection *);
+void bsc_msc_schedule_connect(struct bsc_msc_connection *);
+
+void bsc_msc_lost(struct bsc_msc_connection *);
+
+struct msgb *bsc_msc_id_get_resp(const char *token);
+
+#endif

openbsc/include/openbsc/bsc_nat.h

@@ -0,0 +1,338 @@
+/*
+ * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2010 by On-Waves
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef BSC_NAT_H
+#define BSC_NAT_H
+
+#include "mgcp.h"
+
+#include <sys/types.h>
+#include <osmocom/sccp/sccp_types.h>
+
+#include <osmocore/select.h>
+#include <osmocore/msgb.h>
+#include <osmocore/timer.h>
+#include <osmocore/write_queue.h>
+#include <osmocore/statistics.h>
+
+#include <regex.h>
+
+#define DIR_BSC 1
+#define DIR_MSC 2
+
+#define NAT_IPAC_PROTO_MGCP	0xfc
+
+struct bsc_nat;
+
+enum {
+	NAT_CON_TYPE_NONE,
+	NAT_CON_TYPE_LU,
+	NAT_CON_TYPE_CM_SERV_REQ,
+	NAT_CON_TYPE_PAG_RESP,
+	NAT_CON_TYPE_LOCAL_REJECT,
+	NAT_CON_TYPE_OTHER,
+};
+
+/*
+ * For the NAT we will need to analyze and later patch
+ * the received message. This would require us to parse
+ * the IPA and SCCP header twice. Instead of doing this
+ * we will have one analyze structure and have the patching
+ * and filter operate on the same structure.
+ */
+struct bsc_nat_parsed {
+	/* ip access prototype */
+	int ipa_proto;
+
+	/* source local reference */
+	struct sccp_source_reference *src_local_ref;
+
+	/* destination local reference */
+	struct sccp_source_reference *dest_local_ref;
+
+	/* called ssn number */
+	int called_ssn;
+
+	/* calling ssn number */
+	int calling_ssn;
+
+	/* sccp message type */
+	int sccp_type;
+
+	/* bssap type, e.g. 0 for BSS Management */
+	int bssap;
+
+	/* the gsm0808 message type */
+	int gsm_type;
+};
+
+/*
+ * Per BSC data structure
+ */
+struct bsc_connection {
+	struct llist_head list_entry;
+
+	/* do we know anything about this BSC? */
+	int authenticated;
+
+	/* the fd we use to communicate */
+	struct write_queue write_queue;
+
+	/* the BSS associated */
+	struct bsc_config *cfg;
+
+	/* a timeout node */
+	struct timer_list id_timeout;
+
+	/* pong timeout */
+	struct timer_list ping_timeout;
+	struct timer_list pong_timeout;
+
+	/* a back pointer */
+	struct bsc_nat *nat;
+};
+
+/*
+ * Per SCCP source local reference patch table. It needs to
+ * be updated on new SCCP connections, connection confirm and reject,
+ * and on the loss of the BSC connection.
+ */
+struct sccp_connections {
+	struct llist_head list_entry;
+
+	struct bsc_connection *bsc;
+
+	struct sccp_source_reference real_ref;
+	struct sccp_source_reference patched_ref;
+	struct sccp_source_reference remote_ref;
+	int has_remote_ref;
+
+	/* status */
+	int con_type;
+	int con_local;
+
+	/* GSM audio handling. That is 32 * multiplex + ts */
+	int crcx;
+	int msc_timeslot;
+	int bsc_timeslot;
+
+	/* timeout handling */
+	struct timespec creation_time;
+};
+
+/**
+ * Stats per BSC
+ */
+struct bsc_config_stats {
+	struct {
+		struct counter *conn;
+		struct counter *calls;
+	} sccp;
+
+	struct {
+		struct counter *reconn;
+	} net;
+};
+
+/**
+ * One BSC entry in the config
+ */
+struct bsc_config {
+	struct llist_head entry;
+
+	char *token;
+	unsigned int lac;
+	int nr;
+
+	char *description;
+
+	/* imsi white and blacklist */
+	char *acc_lst_name;
+
+	int forbid_paging;
+
+	/* backpointer */
+	struct bsc_nat *nat;
+
+	struct bsc_config_stats stats;
+};
+
+/**
+ * BSCs point of view of endpoints
+ */
+struct bsc_endpoint {
+	/* the pending transaction id */
+	char *transaction_id;
+	/* the bsc we are talking to */
+	struct bsc_connection *bsc;
+};
+
+/**
+ * Statistic for the nat.
+ */
+struct bsc_nat_statistics {
+	struct {
+		struct counter *conn;
+		struct counter *calls;
+	} sccp;
+
+	struct {
+		struct counter *reconn;
+                struct counter *auth_fail;
+	} bsc;
+
+	struct {
+		struct counter *reconn;
+	} msc;
+};
+
+struct bsc_nat_acc_lst {
+	struct llist_head list;
+
+	/* the name of the list */
+	const char *name;
+	struct llist_head fltr_list;
+};
+
+struct bsc_nat_acc_lst_entry {
+	struct llist_head list;
+
+	/* the filter */
+	char *imsi_allow;
+	regex_t imsi_allow_re;
+	char *imsi_deny;
+	regex_t imsi_deny_re;
+};
+
+/**
+ * the structure of the "nat" network
+ */
+struct bsc_nat {
+	/* active SCCP connections that need patching */
+	struct llist_head sccp_connections;
+
+	/* active BSC connections that need patching */
+	struct llist_head bsc_connections;
+
+	/* access lists */
+	struct llist_head access_lists;
+
+	/* known BSC's */
+	struct llist_head bsc_configs;
+	int num_bsc;
+	int bsc_ip_tos;
+
+	/* MGCP config */
+	struct mgcp_config *mgcp_cfg;
+	struct write_queue mgcp_queue;
+	u_int8_t mgcp_msg[4096];
+	int mgcp_length;
+
+	/* msc things */
+	char *msc_ip;
+	int msc_port;
+	int first_contact;
+	struct bsc_msc_connection *msc_con;
+	char *token;
+
+	/* timeouts */
+	int auth_timeout;
+	int ping_timeout;
+	int pong_timeout;
+
+	struct bsc_endpoint *bsc_endpoints;
+
+	/* filter */
+	char *acc_lst_name;
+
+	/* statistics */
+	struct bsc_nat_statistics stats;
+};
+
+/* create and init the structures */
+struct bsc_config *bsc_config_alloc(struct bsc_nat *nat, const char *token, unsigned int lac);
+struct bsc_config *bsc_config_num(struct bsc_nat *nat, int num);
+struct bsc_nat *bsc_nat_alloc(void);
+struct bsc_connection *bsc_connection_alloc(struct bsc_nat *nat);
+void bsc_nat_set_msc_ip(struct bsc_nat *bsc, const char *ip);
+
+void sccp_connection_destroy(struct sccp_connections *);
+void bsc_close_connection(struct bsc_connection *);
+
+const char *bsc_con_type_to_string(int type);
+
+/**
+ * parse the given message into the above structure
+ */
+struct bsc_nat_parsed *bsc_nat_parse(struct msgb *msg);
+
+/**
+ * filter based on IP Access header in both directions
+ */
+int bsc_nat_filter_ipa(int direction, struct msgb *msg, struct bsc_nat_parsed *parsed);
+int bsc_nat_vty_init(struct bsc_nat *nat);
+struct bsc_connection *bsc_nat_find_bsc(struct bsc_nat *nat, struct msgb *msg, int *_lac);
+
+/**
+ * Content filtering.
+ */
+int bsc_nat_filter_sccp_cr(struct bsc_connection *bsc, struct msgb *msg,
+			   struct bsc_nat_parsed *, int *con_type);
+
+/**
+ * SCCP patching and handling
+ */
+struct sccp_connections *create_sccp_src_ref(struct bsc_connection *bsc, struct bsc_nat_parsed *parsed);
+int update_sccp_src_ref(struct sccp_connections *sccp, struct bsc_nat_parsed *parsed);
+void remove_sccp_src_ref(struct bsc_connection *bsc, struct msgb *msg, struct bsc_nat_parsed *parsed);
+struct sccp_connections *patch_sccp_src_ref_to_bsc(struct msgb *, struct bsc_nat_parsed *, struct bsc_nat *);
+struct sccp_connections *patch_sccp_src_ref_to_msc(struct msgb *, struct bsc_nat_parsed *, struct bsc_connection *);
+
+/**
+ * MGCP/Audio handling
+ */
+int bsc_write_mgcp(struct bsc_connection *bsc, const u_int8_t *data, unsigned int length);
+int bsc_mgcp_assign(struct sccp_connections *, struct msgb *msg);
+void bsc_mgcp_init(struct sccp_connections *);
+void bsc_mgcp_dlcx(struct sccp_connections *);
+void bsc_mgcp_free_endpoints(struct bsc_nat *nat);
+int bsc_mgcp_nat_init(struct bsc_nat *nat);
+
+struct sccp_connections *bsc_mgcp_find_con(struct bsc_nat *, int endpoint_number);
+struct msgb *bsc_mgcp_rewrite(char *input, int length, const char *ip, int port);
+void bsc_mgcp_forward(struct bsc_connection *bsc, struct msgb *msg);
+
+void bsc_mgcp_clear_endpoints_for(struct bsc_connection *bsc);
+int bsc_mgcp_parse_response(const char *str, int *code, char transaction[60]);
+uint32_t bsc_mgcp_extract_ci(const char *resp);
+
+
+int bsc_write(struct bsc_connection *bsc, struct msgb *msg, int id);
+
+/* IMSI allow/deny handling */
+void bsc_parse_reg(void *ctx, regex_t *reg, char **imsi, int argc, const char **argv);
+struct bsc_nat_acc_lst *bsc_nat_acc_lst_find(struct bsc_nat *nat, const char *name);
+struct bsc_nat_acc_lst *bsc_nat_acc_lst_get(struct bsc_nat *nat, const char *name);
+void bsc_nat_acc_lst_delete(struct bsc_nat_acc_lst *lst);
+
+struct bsc_nat_acc_lst_entry *bsc_nat_acc_lst_entry_create(struct bsc_nat_acc_lst *);
+
+#endif

openbsc/include/openbsc/bssap.h

@@ -0,0 +1,333 @@
+/* From GSM08.08 */
+
+#ifndef BSSAP_H
+#define BSSAP_H
+
+#include <stdlib.h>
+
+#include <osmocore/msgb.h>
+#include <openbsc/gsm_data.h>
+
+/*
+ * this is from GSM 03.03 CGI but is copied in GSM 08.08
+ * in § 3.2.2.27 for Cell Identifier List
+ */
+enum CELL_IDENT {
+	CELL_IDENT_WHOLE_GLOBAL		= 0,
+	CELL_IDENT_LAC_AND_CI		= 1,
+	CELL_IDENT_CI			= 2,
+	CELL_IDENT_NO_CELL		= 3,
+	CELL_IDENT_LAI_AND_LAC		= 4,
+	CELL_IDENT_LAC			= 5,
+	CELL_IDENT_BSS			= 6,
+	CELL_IDENT_UTRAN_PLMN_LAC_RNC	= 8,
+	CELL_IDENT_UTRAN_RNC		= 9,
+	CELL_IDENT_UTRAN_LAC_RNC	= 10,
+};
+
+
+/* GSM 08.06 § 6.3 */
+enum BSSAP_MSG_TYPE {
+	BSSAP_MSG_BSS_MANAGEMENT    = 0x0,
+	BSSAP_MSG_DTAP		    = 0x1,
+};
+
+struct bssmap_header {
+	u_int8_t type;
+	u_int8_t length;
+} __attribute__((packed));
+
+struct dtap_header {
+	u_int8_t type;
+	u_int8_t link_id;
+	u_int8_t length;
+} __attribute__((packed));
+
+
+enum BSS_MAP_MSG_TYPE {
+	BSS_MAP_MSG_RESERVED_0		= 0,
+
+	/* ASSIGNMENT MESSAGES */
+	BSS_MAP_MSG_ASSIGMENT_RQST	= 1,
+	BSS_MAP_MSG_ASSIGMENT_COMPLETE	= 2,
+	BSS_MAP_MSG_ASSIGMENT_FAILURE	= 3,
+
+	/*  HANDOVER MESSAGES */
+	BSS_MAP_MSG_HANDOVER_RQST		= 16,
+	BSS_MAP_MSG_HANDOVER_REQUIRED		= 17,
+	BSS_MAP_MSG_HANDOVER_RQST_ACKNOWLEDGE= 18,
+	BSS_MAP_MSG_HANDOVER_CMD		= 19,
+	BSS_MAP_MSG_HANDOVER_COMPLETE		= 20,
+	BSS_MAP_MSG_HANDOVER_SUCCEEDED		= 21,
+	BSS_MAP_MSG_HANDOVER_FAILURE		= 22,
+	BSS_MAP_MSG_HANDOVER_PERFORMED		= 23,
+	BSS_MAP_MSG_HANDOVER_CANDIDATE_ENQUIRE	= 24,
+	BSS_MAP_MSG_HANDOVER_CANDIDATE_RESPONSE	= 25,
+	BSS_MAP_MSG_HANDOVER_REQUIRED_REJECT	= 26,
+	BSS_MAP_MSG_HANDOVER_DETECT		= 27,
+
+	/* RELEASE MESSAGES */
+	BSS_MAP_MSG_CLEAR_CMD		= 32,
+	BSS_MAP_MSG_CLEAR_COMPLETE		= 33,
+	BSS_MAP_MSG_CLEAR_RQST		= 34,
+	BSS_MAP_MSG_RESERVED_1			= 35,
+	BSS_MAP_MSG_RESERVED_2			= 36,
+	BSS_MAP_MSG_SAPI_N_REJECT		= 37,
+	BSS_MAP_MSG_CONFUSION			= 38,
+
+	/* OTHER CONNECTION RELATED MESSAGES */
+	BSS_MAP_MSG_SUSPEND			= 40,
+	BSS_MAP_MSG_RESUME			= 41,
+	BSS_MAP_MSG_CONNECTION_ORIENTED_INFORMATION = 42,
+	BSS_MAP_MSG_PERFORM_LOCATION_RQST	= 43,
+	BSS_MAP_MSG_LSA_INFORMATION		= 44,
+	BSS_MAP_MSG_PERFORM_LOCATION_RESPONSE	= 45,
+	BSS_MAP_MSG_PERFORM_LOCATION_ABORT	= 46,
+	BSS_MAP_MSG_COMMON_ID			= 47,
+
+	/* GENERAL MESSAGES */
+	BSS_MAP_MSG_RESET			= 48,
+	BSS_MAP_MSG_RESET_ACKNOWLEDGE		= 49,
+	BSS_MAP_MSG_OVERLOAD			= 50,
+	BSS_MAP_MSG_RESERVED_3			= 51,
+	BSS_MAP_MSG_RESET_CIRCUIT		= 52,
+	BSS_MAP_MSG_RESET_CIRCUIT_ACKNOWLEDGE	= 53,
+	BSS_MAP_MSG_MSC_INVOKE_TRACE		= 54,
+	BSS_MAP_MSG_BSS_INVOKE_TRACE		= 55,
+	BSS_MAP_MSG_CONNECTIONLESS_INFORMATION	= 58,
+
+	/* TERRESTRIAL RESOURCE MESSAGES */
+	BSS_MAP_MSG_BLOCK			= 64,
+	BSS_MAP_MSG_BLOCKING_ACKNOWLEDGE	= 65,
+	BSS_MAP_MSG_UNBLOCK			= 66,
+	BSS_MAP_MSG_UNBLOCKING_ACKNOWLEDGE	= 67,
+	BSS_MAP_MSG_CIRCUIT_GROUP_BLOCK		= 68,
+	BSS_MAP_MSG_CIRCUIT_GROUP_BLOCKING_ACKNOWLEDGE	= 69,
+	BSS_MAP_MSG_CIRCUIT_GROUP_UNBLOCK	= 70,
+	BSS_MAP_MSG_CIRCUIT_GROUP_UNBLOCKING_ACKNOWLEDGE = 71,
+	BSS_MAP_MSG_UNEQUIPPED_CIRCUIT		= 72,
+	BSS_MAP_MSG_CHANGE_CIRCUIT		= 78,
+	BSS_MAP_MSG_CHANGE_CIRCUIT_ACKNOWLEDGE	= 79,
+
+	/* RADIO RESOURCE MESSAGES */
+	BSS_MAP_MSG_RESOURCE_RQST		= 80,
+	BSS_MAP_MSG_RESOURCE_INDICATION		= 81,
+	BSS_MAP_MSG_PAGING			= 82,
+	BSS_MAP_MSG_CIPHER_MODE_CMD		= 83,
+	BSS_MAP_MSG_CLASSMARK_UPDATE		= 84,
+	BSS_MAP_MSG_CIPHER_MODE_COMPLETE	= 85,
+	BSS_MAP_MSG_QUEUING_INDICATION		= 86,
+	BSS_MAP_MSG_COMPLETE_LAYER_3		= 87,
+	BSS_MAP_MSG_CLASSMARK_RQST		= 88,
+	BSS_MAP_MSG_CIPHER_MODE_REJECT		= 89,
+	BSS_MAP_MSG_LOAD_INDICATION		= 90,
+
+	/* VGCS/VBS */
+	BSS_MAP_MSG_VGCS_VBS_SETUP		= 4,
+	BSS_MAP_MSG_VGCS_VBS_SETUP_ACK		= 5,
+	BSS_MAP_MSG_VGCS_VBS_SETUP_REFUSE	= 6,
+	BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RQST	= 7,
+	BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RESULT	= 28,
+	BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_FAILURE	= 29,
+	BSS_MAP_MSG_VGCS_VBS_QUEUING_INDICATION	= 30,
+	BSS_MAP_MSG_UPLINK_RQST		= 31,
+	BSS_MAP_MSG_UPLINK_RQST_ACKNOWLEDGE	= 39,
+	BSS_MAP_MSG_UPLINK_RQST_CONFIRMATION	= 73,
+	BSS_MAP_MSG_UPLINK_RELEASE_INDICATION	= 74,
+	BSS_MAP_MSG_UPLINK_REJECT_CMD	= 75,
+	BSS_MAP_MSG_UPLINK_RELEASE_CMD	= 76,
+	BSS_MAP_MSG_UPLINK_SEIZED_CMD	= 77,
+};
+
+enum GSM0808_IE_CODING {
+	GSM0808_IE_CIRCUIT_IDENTITY_CODE	= 1,
+	GSM0808_IE_RESERVED_0			= 2,
+	GSM0808_IE_RESOURCE_AVAILABLE		= 3,
+	GSM0808_IE_CAUSE			= 4,
+	GSM0808_IE_CELL_IDENTIFIER		= 5,
+	GSM0808_IE_PRIORITY			= 6,
+	GSM0808_IE_LAYER_3_HEADER_INFORMATION	= 7,
+	GSM0808_IE_IMSI				= 8,
+	GSM0808_IE_TMSI				= 9,
+	GSM0808_IE_ENCRYPTION_INFORMATION	= 10,
+	GSM0808_IE_CHANNEL_TYPE			= 11,
+	GSM0808_IE_PERIODICITY			= 12,
+	GSM0808_IE_EXTENDED_RESOURCE_INDICATOR	= 13,
+	GSM0808_IE_NUMBER_OF_MSS		= 14,
+	GSM0808_IE_RESERVED_1			= 15,
+	GSM0808_IE_RESERVED_2			= 16,
+	GSM0808_IE_RESERVED_3			= 17,
+	GSM0808_IE_CLASSMARK_INFORMATION_T2	= 18,
+	GSM0808_IE_CLASSMARK_INFORMATION_T3	= 19,
+	GSM0808_IE_INTERFERENCE_BAND_TO_USE	= 20,
+	GSM0808_IE_RR_CAUSE			= 21,
+	GSM0808_IE_RESERVED_4			= 22,
+	GSM0808_IE_LAYER_3_INFORMATION		= 23,
+	GSM0808_IE_DLCI				= 24,
+	GSM0808_IE_DOWNLINK_DTX_FLAG		= 25,
+	GSM0808_IE_CELL_IDENTIFIER_LIST		= 26,
+	GSM0808_IE_RESPONSE_RQST		= 27,
+	GSM0808_IE_RESOURCE_INDICATION_METHOD	= 28,
+	GSM0808_IE_CLASSMARK_INFORMATION_TYPE_1	= 29,
+	GSM0808_IE_CIRCUIT_IDENTITY_CODE_LIST	= 30,
+	GSM0808_IE_DIAGNOSTIC			= 31,
+	GSM0808_IE_LAYER_3_MESSAGE_CONTENTS	= 32,
+	GSM0808_IE_CHOSEN_CHANNEL		= 33,
+	GSM0808_IE_TOTAL_RESOURCE_ACCESSIBLE	= 34,
+	GSM0808_IE_CIPHER_RESPONSE_MODE		= 35,
+	GSM0808_IE_CHANNEL_NEEDED		= 36,
+	GSM0808_IE_TRACE_TYPE			= 37,
+	GSM0808_IE_TRIGGERID			= 38,
+	GSM0808_IE_TRACE_REFERENCE		= 39,
+	GSM0808_IE_TRANSACTIONID		= 40,
+	GSM0808_IE_MOBILE_IDENTITY		= 41,
+	GSM0808_IE_OMCID			= 42,
+	GSM0808_IE_FORWARD_INDICATOR		= 43,
+	GSM0808_IE_CHOSEN_ENCR_ALG		= 44,
+	GSM0808_IE_CIRCUIT_POOL			= 45,
+	GSM0808_IE_CIRCUIT_POOL_LIST		= 46,
+	GSM0808_IE_TIME_INDICATION		= 47,
+	GSM0808_IE_RESOURCE_SITUATION		= 48,
+	GSM0808_IE_CURRENT_CHANNEL_TYPE_1	= 49,
+	GSM0808_IE_QUEUEING_INDICATOR		= 50,
+	GSM0808_IE_SPEECH_VERSION		= 64,
+	GSM0808_IE_ASSIGNMENT_REQUIREMENT	= 51,
+	GSM0808_IE_TALKER_FLAG			= 53,
+	GSM0808_IE_CONNECTION_RELEASE_RQSTED	= 54,
+	GSM0808_IE_GROUP_CALL_REFERENCE		= 55,
+	GSM0808_IE_EMLPP_PRIORITY		= 56,
+	GSM0808_IE_CONFIG_EVO_INDI		= 57,
+	GSM0808_IE_OLD_BSS_TO_NEW_BSS_INFORMATION	= 58,
+	GSM0808_IE_LSA_IDENTIFIER		= 59,
+	GSM0808_IE_LSA_IDENTIFIER_LIST		= 60,
+	GSM0808_IE_LSA_INFORMATION		= 61,
+	GSM0808_IE_LCS_QOS			= 62,
+	GSM0808_IE_LSA_ACCESS_CTRL_SUPPR	= 63,
+	GSM0808_IE_LCS_PRIORITY			= 67,
+	GSM0808_IE_LOCATION_TYPE		= 68,
+	GSM0808_IE_LOCATION_ESTIMATE		= 69,
+	GSM0808_IE_POSITIONING_DATA		= 70,
+	GSM0808_IE_LCS_CAUSE			= 71,
+	GSM0808_IE_LCS_CLIENT_TYPE		= 72,
+	GSM0808_IE_APDU				= 73,
+	GSM0808_IE_NETWORK_ELEMENT_IDENTITY	= 74,
+	GSM0808_IE_GPS_ASSISTANCE_DATA		= 75,
+	GSM0808_IE_DECIPHERING_KEYS		= 76,
+	GSM0808_IE_RETURN_ERROR_RQST		= 77,
+	GSM0808_IE_RETURN_ERROR_CAUSE		= 78,
+	GSM0808_IE_SEGMENTATION			= 79,
+	GSM0808_IE_SERVICE_HANDOVER		= 80,
+	GSM0808_IE_SOURCE_RNC_TO_TARGET_RNC_TRANSPARENT_UMTS	= 81,
+	GSM0808_IE_SOURCE_RNC_TO_TARGET_RNC_TRANSPARENT_CDMA2000= 82,
+	GSM0808_IE_RESERVED_5			= 65,
+	GSM0808_IE_RESERVED_6			= 66,
+};
+
+enum gsm0808_cause {
+	GSM0808_CAUSE_RADIO_INTERFACE_MESSAGE_FAILURE			= 0,
+	GSM0808_CAUSE_RADIO_INTERFACE_FAILURE				= 1,
+	GSM0808_CAUSE_UPLINK_QUALITY					= 2,
+	GSM0808_CAUSE_UPLINK_STRENGTH					= 3,
+	GSM0808_CAUSE_DOWNLINK_QUALITY					= 4,
+	GSM0808_CAUSE_DOWNLINK_STRENGTH					= 5,
+	GSM0808_CAUSE_DISTANCE						= 6,
+	GSM0808_CAUSE_O_AND_M_INTERVENTION				= 7,
+	GSM0808_CAUSE_RESPONSE_TO_MSC_INVOCATION			= 8,
+	GSM0808_CAUSE_CALL_CONTROL					= 9,
+	GSM0808_CAUSE_RADIO_INTERFACE_FAILURE_REVERSION			= 10,
+	GSM0808_CAUSE_HANDOVER_SUCCESSFUL				= 11,
+	GSM0808_CAUSE_BETTER_CELL					= 12,
+	GSM0808_CAUSE_DIRECTED_RETRY					= 13,
+	GSM0808_CAUSE_JOINED_GROUP_CALL_CHANNEL				= 14,
+	GSM0808_CAUSE_TRAFFIC						= 15,
+	GSM0808_CAUSE_EQUIPMENT_FAILURE					= 32,
+	GSM0808_CAUSE_NO_RADIO_RESOURCE_AVAILABLE			= 33,
+	GSM0808_CAUSE_RQSTED_TERRESTRIAL_RESOURCE_UNAVAILABLE	= 34,
+	GSM0808_CAUSE_CCCH_OVERLOAD					= 35,
+	GSM0808_CAUSE_PROCESSOR_OVERLOAD				= 36,
+	GSM0808_CAUSE_BSS_NOT_EQUIPPED					= 37,
+	GSM0808_CAUSE_MS_NOT_EQUIPPED					= 38,
+	GSM0808_CAUSE_INVALID_CELL					= 39,
+	GSM0808_CAUSE_TRAFFIC_LOAD					= 40,
+	GSM0808_CAUSE_PREEMPTION					= 41,
+	GSM0808_CAUSE_RQSTED_TRANSCODING_RATE_ADAPTION_UNAVAILABLE	= 48,
+	GSM0808_CAUSE_CIRCUIT_POOL_MISMATCH				= 49,
+	GSM0808_CAUSE_SWITCH_CIRCUIT_POOL				= 50,
+	GSM0808_CAUSE_RQSTED_SPEECH_VERSION_UNAVAILABLE		= 51,
+	GSM0808_CAUSE_LSA_NOT_ALLOWED					= 52,
+	GSM0808_CAUSE_CIPHERING_ALGORITHM_NOT_SUPPORTED			= 64,
+	GSM0808_CAUSE_TERRESTRIAL_CIRCUIT_ALREADY_ALLOCATED		= 80,
+	GSM0808_CAUSE_INVALID_MESSAGE_CONTENTS				= 81,
+	GSM0808_CAUSE_INFORMATION_ELEMENT_OR_FIELD_MISSING		= 82,
+	GSM0808_CAUSE_INCORRECT_VALUE					= 83,
+	GSM0808_CAUSE_UNKNOWN_MESSAGE_TYPE				= 84,
+	GSM0808_CAUSE_UNKNOWN_INFORMATION_ELEMENT			= 85,
+	GSM0808_CAUSE_PROTOCOL_ERROR_BETWEEN_BSS_AND_MSC		= 96,
+};
+
+/* GSM 08.08 3.2.2.11 Channel Type */
+enum gsm0808_chan_indicator {
+	GSM0808_CHAN_SPEECH = 1,
+	GSM0808_CHAN_DATA   = 2,
+	GSM0808_CHAN_SIGN   = 3,
+};
+
+enum gsm0808_chan_rate_type_data {
+	GSM0808_DATA_FULL_BM	= 0x8,
+	GSM0808_DATA_HALF_LM	= 0x9,
+	GSM0808_DATA_FULL_RPREF	= 0xa,
+	GSM0808_DATA_HALF_PREF	= 0xb,
+	GSM0808_DATA_FULL_PREF_NO_CHANGE	= 0x1a,
+	GSM0808_DATA_HALF_PREF_NO_CHANGE	= 0x1b,
+	GSM0808_DATA_MULTI_MASK	= 0x20,
+	GSM0808_DATA_MULTI_MASK_NO_CHANGE	= 0x30,
+};
+
+enum gsm0808_chan_rate_type_speech {
+	GSM0808_SPEECH_FULL_BM	= 0x8,
+	GSM0808_SPEECH_HALF_LM	= 0x9,
+	GSM0808_SPEECH_FULL_PREF= 0xa,
+	GSM0808_SPEECH_HALF_PREF= 0xb,
+	GSM0808_SPEECH_FULL_PREF_NO_CHANGE	= 0x1a,
+	GSM0808_SPEECH_HALF_PREF_NO_CHANGE	= 0x1b,
+	GSM0808_SPEECH_PERM	= 0xf,
+	GSM0808_SPEECH_PERM_NO_CHANGE = 0x1f,
+};
+
+enum gsm0808_permitted_speech {
+	GSM0808_PERM_FR1	= 0x01,
+	GSM0808_PERM_FR2	= 0x11,
+	GSM0808_PERM_FR3	= 0x21,
+	GSM0808_PERM_HR1	= GSM0808_PERM_FR1 | 0x4,
+	GSM0808_PERM_HR2	= GSM0808_PERM_FR2 | 0x4,
+	GSM0808_PERM_HR3	= GSM0808_PERM_FR3 | 0x4,
+};
+
+int bssmap_rcvmsg_dt1(struct sccp_connection *conn, struct msgb *msg, unsigned int length);
+int bssmap_rcvmsg_udt(struct gsm_network *net, struct msgb *msg, unsigned int length);
+
+struct msgb *bssmap_create_layer3(struct msgb *msg);
+struct msgb *bssmap_create_reset(void);
+struct msgb *bssmap_create_clear_complete(void);
+struct msgb *bssmap_create_cipher_complete(struct msgb *layer3);
+struct msgb *bssmap_create_cipher_reject(u_int8_t cause);
+struct msgb *bssmap_create_sapi_reject(u_int8_t link_id);
+struct msgb *bssmap_create_assignment_completed(struct gsm_lchan *lchan, u_int8_t rr_cause);
+struct msgb *bssmap_create_assignment_failure(u_int8_t cause, u_int8_t *rr_cause);
+struct msgb *bssmap_create_classmark_update(const u_int8_t *classmark, u_int8_t length);
+
+void gsm0808_send_assignment_failure(struct gsm_lchan *l, u_int8_t cause, u_int8_t *rr_value);
+void gsm0808_send_assignment_compl(struct gsm_lchan *l, u_int8_t rr_value);
+
+int dtap_rcvmsg(struct gsm_lchan *lchan, struct msgb *msg, unsigned int length);
+struct msgb *dtap_create_msg(struct msgb *msg_l3, u_int8_t link_id);
+
+void bsc_queue_connection_write(struct sccp_connection *conn, struct msgb *msg);
+void bsc_free_queued(struct sccp_connection *conn);
+void bsc_send_queued(struct sccp_connection *conn);
+
+void bts_send_queued(struct bss_sccp_connection_data*);
+void bts_free_queued(struct bss_sccp_connection_data*);
+void bts_unblock_queue(struct bss_sccp_connection_data*);
+
+#endif

openbsc/include/openbsc/chan_alloc.h

@@ -23,6 +23,28 @@
 
 #include "gsm_subscriber.h"
 
+/*
+ * Refcounting for the lchan. If the refcount drops to zero
+ * the channel will send a RSL release request.
+ */
+#define use_subscr_con(con) \
+	do {	(con)->use_count++; \
+		DEBUGP(DREF, "lchan (bts=%d,trx=%d,ts=%d,ch=%d) increases usage to: %d\n", \
+			(con)->lchan->ts->trx->bts->nr, (con)->lchan->ts->trx->nr, (con)->lchan->ts->nr, \
+			(con)->lchan->nr, (con)->use_count); \
+	} while(0);
+
+#define put_subscr_con(con, reason) \
+	do { (con)->use_count--; \
+		DEBUGP(DREF, "lchan (bts=%d,trx=%d,ts=%d,ch=%d) decreases usage to: %d\n", \
+			(con)->lchan->ts->trx->bts->nr, (con)->lchan->ts->trx->nr, (con)->lchan->ts->nr, \
+			(con)->lchan->nr, (con)->use_count); \
+	    if ((con)->use_count <= 0) \
+		_lchan_release((con)->lchan, reason); \
+	} while(0);
+
+
+
 /* Special allocator for C0 of BTS */
 struct gsm_bts_trx_ts *ts_c0_alloc(struct gsm_bts *bts,
 				   enum gsm_phys_chan_config pchan);
@@ -41,14 +63,14 @@ struct gsm_lchan *lchan_find(struct gsm_bts *bts, struct gsm_subscriber *subscr)
 struct gsm_lchan *lchan_for_subscr(struct gsm_subscriber *subscr);
 
 /* Allocate a logical channel (SDCCH, TCH, ...) */
-struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type);
+struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type, int allow_bigger);
 
 /* Free a logical channel (SDCCH, TCH, ...) */
 void lchan_free(struct gsm_lchan *lchan);
 void lchan_reset(struct gsm_lchan *lchan);
 
-/* Consider releasing the channel */
-int lchan_auto_release(struct gsm_lchan *lchan);
+/* internal.. do not use */
+int _lchan_release(struct gsm_lchan *lchan, u_int8_t release_reason);
 
 struct load_counter {
 	unsigned int total;

openbsc/include/openbsc/debug.h

@@ -29,6 +29,7 @@ enum {
 	DHO,
 	DDB,
 	DREF,
+	DNAT,
 	Debug_LastEntry,
 };
 

openbsc/include/openbsc/e1_input.h

@@ -66,6 +66,8 @@ struct e1inp_ts {
 		struct {
 			/* list of all signalling links on this TS */
 			struct llist_head sign_links;
+			/* delay for the queue */
+			int delay;
 			/* timer when to dequeue next frame */
 			struct timer_list tx_timer;
 		} sign;
@@ -93,6 +95,7 @@ struct e1inp_driver {
 	struct llist_head list;
 	const char *name;
 	int (*want_write)(struct e1inp_ts *ts);
+	int default_delay;
 };	
 
 struct e1inp_line {

openbsc/include/openbsc/gsm_04_08.h

@@ -16,8 +16,9 @@ struct gsm_trans;
 void gsm0408_allow_everyone(int allow);
 
 int gsm0408_rcvmsg(struct msgb *msg, u_int8_t link_id);
-enum gsm_chan_t get_ctype_by_chreq(struct gsm_bts *bts, u_int8_t ra, int neci);
-enum gsm_chreq_reason_t get_reason_by_chreq(struct gsm_bts *bts, u_int8_t ra, int neci);
+enum gsm_chan_t get_ctype_by_chreq(struct gsm_network *bts, u_int8_t ra);
+enum gsm_chreq_reason_t get_reason_by_chreq(u_int8_t ra, int neci);
+void gsm_net_update_ctype(struct gsm_network *net);
 
 int gsm48_tx_mm_info(struct gsm_lchan *lchan);
 int gsm48_tx_mm_auth_req(struct gsm_lchan *lchan, u_int8_t *rand, int key_seq);
@@ -44,12 +45,15 @@ int decode_bcd_number(char *output, int output_len, const u_int8_t *bcd_lv,
 		      int h_len);
 
 int send_siemens_mrpci(struct gsm_lchan *lchan, u_int8_t *classmark2_lv);
-int gsm48_paging_extract_mi(struct msgb *msg, char *mi_string, u_int8_t *mi_type);
+int gsm48_extract_mi(uint8_t *classmark2, int length, char *mi_string, uint8_t *mi_type);
+int gsm48_paging_extract_mi(struct gsm48_pag_resp *pag, int length, char *mi_string, u_int8_t *mi_type);
 int gsm48_handle_paging_resp(struct msgb *msg, struct gsm_subscriber *subscr);
 
 int gsm48_lchan_modify(struct gsm_lchan *lchan, u_int8_t lchan_mode);
 int gsm48_rx_rr_modif_ack(struct msgb *msg);
 int gsm48_parse_meas_rep(struct gsm_meas_rep *rep, struct msgb *msg);
 
+struct msgb *gsm48_create_mm_serv_rej(enum gsm48_reject_value value);
+struct msgb *gsm48_create_loc_upd_rej(uint8_t cause);
 
 #endif

openbsc/include/openbsc/gsm_04_80.h

@@ -19,4 +19,7 @@ int gsm0480_send_ussd_response(const struct msgb *in_msg, const char* response_t
 int gsm0480_send_ussd_reject(const struct msgb *msg, 
 				const struct ussd_request *request);
 
+int gsm0480_send_ussdNotify(struct gsm_lchan *lchan, int level, const char *text);
+int gsm0480_send_releaseComplete(struct gsm_lchan *lchan);
+
 #endif

openbsc/include/openbsc/gsm_data.h

@@ -3,6 +3,8 @@
 
 #include <sys/types.h>
 
+struct bsc_msc_connection;
+
 enum gsm_phys_chan_config {
 	GSM_PCHAN_NONE,
 	GSM_PCHAN_CCCH,
@@ -79,36 +81,15 @@ enum bts_gprs_mode {
 	BTS_GPRS_EGPRS = 2,
 };
 
+#define OBSC_NM_W_ACK_CB(__msgb) (__msgb)->cb[3]
 struct msgb;
 typedef int gsm_cbfn(unsigned int hooknum,
 		     unsigned int event,
 		     struct msgb *msg,
 		     void *data, void *param);
 
-/*
- * Use the channel. As side effect the lchannel recycle timer
- * will be started.
- */
-#define LCHAN_RELEASE_TIMEOUT 20, 0
-#define use_subscr_con(con) \
-	do {	(con)->use_count++; \
-		DEBUGP(DREF, "lchan (bts=%d,trx=%d,ts=%d,ch=%d) increases usage to: %d\n", \
-			(con)->lchan->ts->trx->bts->nr, (con)->lchan->ts->trx->nr, (con)->lchan->ts->nr, \
-			(con)->lchan->nr, (con)->use_count); \
-		bsc_schedule_timer(&(con)->release_timer, LCHAN_RELEASE_TIMEOUT); } while(0);
-
-#define put_subscr_con(con) \
-	do { (con)->use_count--; \
-		DEBUGP(DREF, "lchan (bts=%d,trx=%d,ts=%d,ch=%d) decreases usage to: %d\n", \
-			(con)->lchan->ts->trx->bts->nr, (con)->lchan->ts->trx->nr, (con)->lchan->ts->nr, \
-			(con)->lchan->nr, (con)->use_count); \
-	} while(0);
-
-
-/* communications link with a BTS */
-struct gsm_bts_link {
-	struct gsm_bts *bts;
-};
+struct osmo_bsc_rf;
+struct sccp_connection;
 
 /* Real authentication information containing Ki */
 enum gsm_auth_algo {
@@ -137,6 +118,49 @@ struct gsm_subscriber;
 struct gsm_mncc;
 struct rtp_socket;
 
+/* BSC/MSC data holding them together */
+struct bss_sccp_connection_data {
+	struct gsm_lchan *lchan;
+	struct gsm_lchan *secondary_lchan;
+	struct sccp_connection *sccp;
+	int ciphering_handled : 1;
+
+	int new_subscriber;
+
+        /* Timers... */
+
+        /* for assginment command */
+        struct timer_list T10;
+
+	/* for SCCP ... */
+	struct timer_list sccp_cc_timeout;
+	struct timer_list sccp_it;
+
+	/* audio handling */
+	int rtp_port;
+
+	/* Queue SCCP and GSM0408 messages */
+	int block_gsm;
+	struct llist_head gsm_queue;
+	unsigned int gsm_queue_size;
+
+	struct llist_head sccp_queue;
+	unsigned int sccp_queue_size;
+
+	/* which msc connection to use? */
+	struct bsc_msc_connection *msc_con;
+
+	/* Active connections */
+	struct llist_head active_connections;
+};
+
+#define GSM0808_T10_VALUE	6, 0
+#define sccp_get_lchan(data_ctx) ((struct bss_sccp_connection_data *)data_ctx)->lchan
+#define lchan_get_sccp(lchan) lchan->msc_data->sccp
+struct bss_sccp_connection_data *bss_sccp_create_data();
+void bss_sccp_free_data(struct bss_sccp_connection_data *);
+
+
 /* Network Management State */
 struct gsm_nm_state {
 	u_int8_t operational;
@@ -185,6 +209,7 @@ enum gsm_lchan_state {
 	LCHAN_S_ACT_REQ,	/* channel activatin requested */
 	LCHAN_S_ACTIVE,		/* channel is active and operational */
 	LCHAN_S_REL_REQ,	/* channel release has been requested */
+	LCHAN_S_REL_ERR,	/* channel is in an error state */
 	LCHAN_S_INACTIVE,	/* channel is set inactive */
 };
 
@@ -193,9 +218,6 @@ struct gsm_subscriber_connection {
 	/* To whom we are allocated at the moment */
 	struct gsm_subscriber *subscr;
 
-	/* Timer started to release the channel */
-	struct timer_list release_timer;
-
 	/*
 	 * Operations that have a state and might be pending
 	 */
@@ -203,6 +225,7 @@ struct gsm_subscriber_connection {
 
 	/* use count. how many users use this channel */
 	unsigned int use_count;
+	int hand_off;
 
 	/* Are we part of a special "silent" call */
 	int silent_call;
@@ -236,6 +259,8 @@ struct gsm_lchan {
 	} encr;
 
 	struct timer_list T3101;
+	struct timer_list T3111;
+	struct timer_list error_timer;
 
 	/* AMR bits */
 	struct gsm48_multi_rate_conf mr_conf;
@@ -243,6 +268,15 @@ struct gsm_lchan {
 	/* Established data link layer services */
 	u_int8_t sapis[8];
 
+	/*
+	 * MSC handling...
+	 */
+	struct bss_sccp_connection_data *msc_data;
+
+	/* GSM Random Access data */
+	struct gsm48_req_ref *rqd_ref;
+	uint8_t rqd_ta;
+
 	/* cache of last measurement reports on this lchan */
 	struct gsm_meas_rep meas_rep[6];
 	int meas_rep_idx;
@@ -256,13 +290,18 @@ struct gsm_lchan {
 		u_int16_t bound_port;
 		u_int16_t connect_port;
 		u_int16_t conn_id;
-		u_int8_t rtp_payload;
 		u_int8_t rtp_payload2;
 		u_int8_t speech_mode;
 		struct rtp_socket *rtp_socket;
 	} abis_ip;
 
 	struct gsm_subscriber_connection conn;
+
+	/* release reason */
+	u_int8_t release_reason;
+
+	/* timestamp */
+	struct timeval alloc_time;
 };
 
 struct gsm_e1_subslot {
@@ -378,6 +417,10 @@ struct gsm_bts_paging_state {
 	struct gsm_bts *bts;
 
 	struct timer_list work_timer;
+	struct timer_list credit_timer;
+
+	/* free chans needed */
+	int free_chans_need;
 
 	/* load */
 	u_int16_t available_slots;
@@ -486,18 +529,28 @@ struct gsm_bts {
 		struct {
 			struct gsm_nm_state nm_state;
 			u_int16_t nsei;
+			uint8_t timer[7];
 		} nse;
 		struct {
 			struct gsm_nm_state nm_state;
 			u_int16_t bvci;
+			uint8_t timer[11];
 		} cell;
 		struct gsm_bts_gprs_nsvc nsvc[2];
 		u_int8_t rac;
 	} gprs;
+
+	/* RACH NM values */
+	int rach_b_thresh;
+	int rach_ldavg_slots;
 	
 	/* transceivers */
 	int num_trx;
 	struct llist_head trx_list;
+
+	/* Abis NM queue */
+	struct llist_head abis_queue;
+	int abis_nm_pend;
 };
 
 /* Some statistics of our network */
@@ -560,6 +613,14 @@ enum gsm_auth_policy {
 #define GSM_T3101_DEFAULT 10
 #define GSM_T3113_DEFAULT 60
 
+/*
+ * internal data for audio management
+ */
+struct gsm_audio_support {
+	u_int8_t hr  : 1,
+		 ver : 7;
+};
+
 struct gsm_network {
 	/* global parameters */
 	u_int16_t country_code;
@@ -590,6 +651,11 @@ struct gsm_network {
 
 	struct gsmnet_stats stats;
 
+	struct gsm_audio_support **audio_support;
+	int audio_length;
+	int rtp_payload;
+	int rtp_base_port;
+
 	/* layer 4 */
 	int (*mncc_recv) (struct gsm_network *net, int msg_type, void *arg);
 	struct llist_head upqueue;
@@ -615,6 +681,30 @@ struct gsm_network {
 	struct {
 		enum rrlp_mode mode;
 	} rrlp;
+
+	enum gsm_chan_t ctype_by_chreq[16];
+
+	/* enable the DTXu and DTXd for this network */
+	int dtx_enabled;
+
+	/* Use a TCH for handling requests of type paging any */
+	int pag_any_tch;
+
+	/* a hack for On Waves. It must be signed */
+	int32_t core_country_code;
+	int32_t core_network_code;
+
+	/* a simple token for this network... */
+	char *bsc_token;
+	char *msc_ip;
+	int msc_port;
+	int msc_ip_dscp;
+	struct bsc_msc_connection *msc_con;
+	int ping_timeout;
+	int pong_timeout;
+	struct osmo_bsc_rf *rf;
+	char *ussd_grace_txt;
+	char *ussd_welcome_txt;
 };
 
 #define SMS_HDR_SIZE	128
@@ -716,14 +806,6 @@ const char *bts_gprs_mode_name(enum bts_gprs_mode mode);
 
 void gsm_trx_lock_rf(struct gsm_bts_trx *trx, int locked);
 
-/* A parsed GPRS routing area */
-struct gprs_ra_id {
-	u_int16_t	mnc;
-	u_int16_t	mcc;
-	u_int16_t	lac;
-	u_int8_t	rac;
-};
-
 int gsm48_ra_id_by_bts(u_int8_t *buf, struct gsm_bts *bts);
 void gprs_ra_id_by_bts(struct gprs_ra_id *raid, struct gsm_bts *bts);
 struct gsm_meas_rep *lchan_next_meas_rep(struct gsm_lchan *lchan);

openbsc/include/openbsc/gsm_subscriber.h

@@ -81,6 +81,8 @@ struct gsm_subscriber *subscr_get_by_extension(struct gsm_network *net,
 					       const char *ext);
 struct gsm_subscriber *subscr_get_by_id(struct gsm_network *net,
 					unsigned long long id);
+struct gsm_subscriber *subscr_get_or_create(struct gsm_network *net,
+					    const char *imsi);
 int subscr_update(struct gsm_subscriber *s, struct gsm_bts *bts, int reason);
 void subscr_put_channel(struct gsm_lchan *lchan);
 void subscr_get_channel(struct gsm_subscriber *subscr,

openbsc/include/openbsc/mgcp.h

@@ -29,7 +29,7 @@
 #include <arpa/inet.h>
 
 #define RTP_PORT_DEFAULT 4000
-
+#define RTP_PORT_NET_DEFAULT 16000
 /**
  * Calculate the RTP audio port for the given multiplex
  * and the direction. This allows a semi static endpoint
@@ -75,38 +75,62 @@ struct mgcp_config;
 #define MGCP_POLICY_REJECT	5
 #define MGCP_POLICY_DEFER	6
 
-typedef int (*mgcp_change)(struct mgcp_config *cfg, int endpoint, int state, int local_rtp);
+typedef int (*mgcp_realloc)(struct mgcp_config *cfg, int endpoint);
+typedef int (*mgcp_change)(struct mgcp_config *cfg, int endpoint, int state);
 typedef int (*mgcp_policy)(struct mgcp_config *cfg, int endpoint, int state, const char *transactio_id);
 typedef int (*mgcp_reset)(struct mgcp_config *cfg);
 
+#define PORT_ALLOC_STATIC	0
+#define PORT_ALLOC_DYNAMIC	1
+
+/**
+ * This holds information on how to allocate ports
+ */
+struct mgcp_port_range {
+	int mode;
+
+	/* pre-allocated from a base? */
+	int base_port;
+
+	/* dynamically allocated */
+	int range_start;
+	int range_end;
+	int last_port;
+};
+
 struct mgcp_config {
+	/* common configuration */
 	int source_port;
 	char *local_ip;
 	char *source_addr;
-	unsigned int number_endpoints;
 	char *bts_ip;
 	char *call_agent_addr;
 
+	/* default endpoint data */
 	struct in_addr bts_in;
 	char *audio_name;
 	int audio_payload;
 	int audio_loop;
-	int early_bind;
-	int rtp_base_port;
 
-	char *forward_ip;
-	int forward_port;
+	struct mgcp_port_range bts_ports;
+	struct mgcp_port_range net_ports;
+	int endp_dscp;
+
+	/* endpoint configuration */
+	unsigned int number_endpoints;
+	struct mgcp_endpoint *endpoints;
 
 	/* spec handling */
 	int force_realloc;
 
+	/* callback functionality */
 	mgcp_change change_cb;
 	mgcp_policy policy_cb;
 	mgcp_reset reset_cb;
+	mgcp_realloc realloc_cb;
 	void *data;
 
-	struct mgcp_endpoint *endpoints;
-	unsigned int last_call_id;
+	uint32_t last_call_id;
 };
 
 /* config management */
@@ -114,7 +138,6 @@ struct mgcp_config *mgcp_config_alloc(void);
 int mgcp_parse_config(const char *config_file, struct mgcp_config *cfg);
 int mgcp_vty_init(void);
 int mgcp_endpoints_allocate(struct mgcp_config *cfg);
-int mgcp_bind_rtp_port(struct mgcp_endpoint *endp, int rtp_port);
 void mgcp_free_endp(struct mgcp_endpoint *endp);
 
 /*
@@ -128,7 +151,7 @@ static inline int mgcp_timeslot_to_endpoint(int multiplex, int timeslot)
 {
 	if (timeslot == 0)
 		timeslot = 1;
-	return timeslot + (31 * multiplex);
+	return timeslot + (32 * multiplex);
 }
 
 

openbsc/include/openbsc/mgcp_internal.h

@@ -28,39 +28,86 @@
 
 #define CI_UNUSED 0
 
+enum mgcp_connection_mode {
+	MGCP_CONN_NONE = 0,
+	MGCP_CONN_RECV_ONLY = 1,
+	MGCP_CONN_SEND_ONLY = 2,
+	MGCP_CONN_RECV_SEND = MGCP_CONN_RECV_ONLY | MGCP_CONN_SEND_ONLY,
+	MGCP_CONN_LOOPBACK  = 4,
+};
+
+struct mgcp_rtp_state {
+	int initialized;
+	int patch;
+
+	uint32_t orig_ssrc;
+	uint32_t ssrc;
+	uint16_t seq_no;
+	int lost_no;
+	int seq_offset;
+	uint32_t last_timestamp;
+	int32_t  timestamp_offset;
+};
+
+struct mgcp_rtp_end {
+	/* statistics */
+	unsigned int packets;
+	struct in_addr addr;
+
+	/* in network byte order */
+	int rtp_port, rtcp_port;
+
+	int payload_type;
+
+	/*
+	 * Each end has a socket...
+	 */
+	struct bsc_fd rtp;
+	struct bsc_fd rtcp;
+
+	int local_port;
+	int local_alloc;
+};
+
+enum {
+	MGCP_TAP_BTS_IN,
+	MGCP_TAP_BTS_OUT,
+	MGCP_TAP_NET_IN,
+	MGCP_TAP_NET_OUT,
+
+	/* last element */
+	MGCP_TAP_COUNT
+};
+
+struct mgcp_rtp_tap {
+	int enabled;
+	struct sockaddr_in forward;
+};
+
 struct mgcp_endpoint {
-	int ci;
+	int allocated;
+	uint32_t ci;
 	char *callid;
 	char *local_options;
 	int conn_mode;
-
-	int bts_payload_type;
-	int net_payload_type;
-
-	/* the local rtp port we are binding to */
-	int rtp_port;
-
-	/*
-	 * RTP mangling:
-	 *  - we get RTP and RTCP to us and need to forward to the BTS
-	 *  - we get RTP and RTCP from the BTS and forward to the network
-	 */
-	struct bsc_fd local_rtp;
-	struct bsc_fd local_rtcp;
-
-	struct in_addr remote;
-	struct in_addr bts;
-
-	/* in network byte order */
-	int net_rtp, net_rtcp;
-	int bts_rtp, bts_rtcp;
+	int orig_mode;
 
 	/* backpointer */
 	struct mgcp_config *cfg;
 
-	/* statistics */
-	unsigned int in_bts;
-	unsigned int in_remote;
+	/* port status for bts/net */
+	struct mgcp_rtp_end bts_end;
+	struct mgcp_rtp_end net_end;
+
+	/* sequence bits */
+	struct mgcp_rtp_state net_state;
+	struct mgcp_rtp_state bts_state;
+
+	/* SSRC/seq/ts patching for loop */
+	int allow_patch;
+
+	/* tap for the endpoint */
+	struct mgcp_rtp_tap taps[MGCP_TAP_COUNT];
 };
 
 #define ENDPOINT_NUMBER(endp) abs(endp - endp->cfg->endpoints)
@@ -73,5 +120,9 @@ struct mgcp_msg_ptr {
 int mgcp_analyze_header(struct mgcp_config *cfg, struct msgb *msg,
 			struct mgcp_msg_ptr *ptr, int size,
 			const char **transaction_id, struct mgcp_endpoint **endp);
+int mgcp_send_dummy(struct mgcp_endpoint *endp);
+int mgcp_bind_bts_rtp_port(struct mgcp_endpoint *endp, int rtp_port);
+int mgcp_bind_net_rtp_port(struct mgcp_endpoint *endp, int rtp_port);
+int mgcp_free_rtp_port(struct mgcp_rtp_end *end);
 
 #endif

openbsc/include/openbsc/osmo_bsc_grace.h

@@ -0,0 +1,29 @@
+/*
+ * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2010 by On-Waves
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef OSMO_BSC_GRACE_H
+#define OSMO_BSC_GRACE_H
+
+#include "gsm_data.h"
+
+int bsc_grace_allow_new_connection(struct gsm_network *network);
+
+#endif

openbsc/include/openbsc/osmo_bsc_rf.h

@@ -0,0 +1,22 @@
+#ifndef BSC_MSC_RF
+#define BSC_MSC_RF
+
+#include <osmocore/write_queue.h>
+
+struct gsm_network;
+
+struct osmo_bsc_rf {
+	/* the value of signal.h */
+	int policy;
+	struct bsc_fd listen;
+	struct gsm_network *gsm_network;
+};
+
+struct osmo_bsc_rf_conn {
+	struct write_queue queue;
+	struct osmo_bsc_rf *rf;
+};
+
+struct osmo_bsc_rf *osmo_bsc_rf_create(const char *path, struct gsm_network *net);
+
+#endif

openbsc/include/openbsc/paging.h

@@ -43,4 +43,7 @@ void paging_request_stop(struct gsm_bts *bts, struct gsm_subscriber *subscr,
 /* update paging load */
 void paging_update_buffer_space(struct gsm_bts *bts, u_int16_t);
 
+/* pending paging requests */
+unsigned int paging_pending_requests_nr(struct gsm_bts *bts);
+
 #endif

openbsc/include/openbsc/rtp_proxy.h

@@ -28,12 +28,6 @@
 #include <osmocore/linuxlist.h>
 #include <osmocore/select.h>
 
-#define RTP_PT_GSM_FULL 3
-#define RTP_PT_GSM_HALF 96
-#define RTP_PT_GSM_EFR 97
-#define RTP_PT_AMR_FULL 98
-#define RTP_PT_AMR_HALF 99
-
 enum rtp_rx_action {
 	RTP_NONE,
 	RTP_PROXY,

openbsc/include/openbsc/signal.h

@@ -43,6 +43,7 @@ enum signal_subsystems {
 	SS_SCALL,
 	SS_GLOBAL,
 	SS_CHALLOC,
+	SS_RF,
 };
 
 /* SS_PAGING signals */
@@ -118,6 +119,13 @@ enum signal_global {
 	S_GLOBAL_SHUTDOWN,
 };
 
+/* SS_RF signals */
+enum signal_rf {
+	S_RF_OFF,
+	S_RF_ON,
+	S_RF_GRACE,
+};
+
 struct paging_signal_data {
 	struct gsm_subscriber *subscr;
 	struct gsm_bts *bts;
@@ -133,7 +141,7 @@ struct scall_signal_data {
 };
 
 struct ipacc_ack_signal_data {
-	struct gsm_bts *bts;
+	struct gsm_bts_trx *trx;
 	u_int8_t msg_type;	
 };
 
@@ -143,4 +151,8 @@ struct challoc_signal_data {
 	enum gsm_chan_t type;
 };
 
+struct rf_signal_data {
+	struct gsm_network *net;
+};
+
 #endif

openbsc/include/sccp/Makefile.am

@@ -1,2 +0,0 @@
-sccp_HEADERS = sccp_types.h sccp.h
-sccpdir = $(includedir)/sccp

openbsc/include/sccp/sccp.h

@@ -1,172 +0,0 @@
-/*
- * SCCP management code
- *
- * (C) 2009, 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#ifndef SCCP_H
-#define SCCP_H
-
-#include <stdlib.h>
-
-#include <sys/socket.h>
-#include <sys/types.h>
-
-#include "sccp_types.h"
-
-struct msgb;
-struct sccp_system;
-
-enum {
-	SCCP_CONNECTION_STATE_NONE,
-	SCCP_CONNECTION_STATE_REQUEST,
-	SCCP_CONNECTION_STATE_CONFIRM,
-	SCCP_CONNECTION_STATE_ESTABLISHED,
-	SCCP_CONNECTION_STATE_RELEASE,
-	SCCP_CONNECTION_STATE_RELEASE_COMPLETE,
-	SCCP_CONNECTION_STATE_REFUSED,
-	SCCP_CONNECTION_STATE_SETUP_ERROR,
-};
-
-struct sockaddr_sccp {
-	sa_family_t	sccp_family;		/* AF_SCCP in the future??? */
-	u_int8_t	sccp_ssn;		/* subssystem number for routing */
-
-	/* TODO fill in address indicator... if that is ever needed */
-
-	/* not sure about these */
-	/* u_int8_t    sccp_class; */
-};
-
-/*
- * parsed structure of an address
- */
-struct sccp_address {
-	struct sccp_called_party_address    address;
-	u_int8_t			    ssn;
-	u_int8_t			    poi[2];
-};
-
-struct sccp_optional_data {
-	u_int8_t			    data_len;
-	u_int8_t			    data_start;
-};
-
-struct sccp_connection {
-	/* public */
-	void *data_ctx;
-	void (*data_cb)(struct sccp_connection *conn, struct msgb *msg, unsigned int len);
-
-	void *state_ctx;
-	void (*state_cb)(struct sccp_connection *, int old_state);
-
-	struct sccp_source_reference source_local_reference;
-	struct sccp_source_reference destination_local_reference;
-
-	int connection_state;
-
-	/* private */
-	/* list of active connections */
-	struct llist_head list;
-	struct sccp_system *system;
-	int incoming;
-};
-
-/**
- * system functionality to implement on top of any other transport layer:
- *   call sccp_system_incoming for incoming data (from the network)
- *   sccp will call outgoing whenever outgoing data exists
- */
-int sccp_system_init(void (*outgoing)(struct msgb *data, void *ctx), void *context);
-int sccp_system_incoming(struct msgb *data);
-
-/**
- * Send data on an existing connection
- */
-int sccp_connection_write(struct sccp_connection *connection, struct msgb *data);
-int sccp_connection_send_it(struct sccp_connection *connection);
-int sccp_connection_close(struct sccp_connection *connection, int cause);
-int sccp_connection_free(struct sccp_connection *connection);
-
-/**
- * internal.. 
- */
-int sccp_connection_force_free(struct sccp_connection *conn);
-
-/**
- * Create a new socket. Set your callbacks and then call bind to open
- * the connection.
- */
-struct sccp_connection *sccp_connection_socket(void);
-
-/**
- * Open the connection and send additional data
- */
-int sccp_connection_connect(struct sccp_connection *conn,
-			    const struct sockaddr_sccp *sccp_called,
-			    struct msgb *data);
-
-/**
- * mostly for testing purposes only. Set the accept callback.
- * TODO: add true routing information... in analogy to socket, bind, accept
- */
-int sccp_connection_set_incoming(const struct sockaddr_sccp *sock,
-				 int (*accept_cb)(struct sccp_connection *connection, void *data),
-				 void *user_data);
-
-/**
- * Send data in terms of unit data. A fixed address indicator will be used.
- */
-int sccp_write(struct msgb *data,
-	       const struct sockaddr_sccp *sock_sender,
-	       const struct sockaddr_sccp *sock_target, int class);
-int sccp_set_read(const struct sockaddr_sccp *sock,
-		  int (*read_cb)(struct msgb *msgb, unsigned int, void *user_data),
-		  void *user_data);
-
-/* generic sock addresses */
-extern const struct sockaddr_sccp sccp_ssn_bssap;
-
-/* helpers */
-u_int32_t sccp_src_ref_to_int(struct sccp_source_reference *ref);
-struct sccp_source_reference sccp_src_ref_from_int(u_int32_t);
-
-/**
- * Below this are helper functions and structs for parsing SCCP messages
- */
-struct sccp_parse_result {
-	struct sccp_address called;
-	struct sccp_address calling;
-
-	/* point to the msg packet */
-	struct sccp_source_reference *source_local_reference;
-	struct sccp_source_reference *destination_local_reference;
-
-	/* data pointer */
-	int data_len;
-};
-
-/*
- * helper functions for the nat code
- */
-int sccp_determine_msg_type(struct msgb *msg);
-int sccp_parse_header(struct msgb *msg, struct sccp_parse_result *result);
-
-#endif

openbsc/include/sccp/sccp_types.h

@@ -1,414 +0,0 @@
-/*
- * ITU Q.713 defined types for SCCP
- *
- * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#ifndef SCCP_TYPES_H
-#define SCCP_TYPES_H
-
-#include <endian.h>
-
-/* Table 1/Q.713 - SCCP message types */
-enum sccp_message_types {
-	SCCP_MSG_TYPE_CR	= 1,
-	SCCP_MSG_TYPE_CC	= 2,
-	SCCP_MSG_TYPE_CREF	= 3,
-	SCCP_MSG_TYPE_RLSD	= 4,
-	SCCP_MSG_TYPE_RLC	= 5,
-	SCCP_MSG_TYPE_DT1	= 6,
-	SCCP_MSG_TYPE_DT2	= 7,
-	SCCP_MSG_TYPE_AK	= 8,
-	SCCP_MSG_TYPE_UDT	= 9,
-	SCCP_MSG_TYPE_UDTS	= 10,
-	SCCP_MSG_TYPE_ED	= 11,
-	SCCP_MSG_TYPE_EA	= 12,
-	SCCP_MSG_TYPE_RSR	= 13,
-	SCCP_MSG_TYPE_RSC	= 14,
-	SCCP_MSG_TYPE_ERR	= 15,
-	SCCP_MSG_TYPE_IT	= 16,
-	SCCP_MSG_TYPE_XUDT	= 17,
-	SCCP_MSG_TYPE_XUDTS	= 18,
-	SCCP_MSG_TYPE_LUDT	= 19,
-	SCCP_MSG_TYPE_LUDTS	= 20
-};
-
-/* Table 2/Q.713 - SCCP parameter name codes */
-enum sccp_parameter_name_codes {
-	SCCP_PNC_END_OF_OPTIONAL		= 0,
-	SCCP_PNC_DESTINATION_LOCAL_REFERENCE	= 1,
-	SCCP_PNC_SOURCE_LOCAL_REFERENCE		= 2,
-	SCCP_PNC_CALLED_PARTY_ADDRESS		= 3,
-	SCCP_PNC_CALLING_PARTY_ADDRESS		= 4,
-	SCCP_PNC_PROTOCOL_CLASS			= 5,
-	SCCP_PNC_SEGMENTING			= 6,
-	SCCP_PNC_RECEIVE_SEQ_NUMBER		= 7,
-	SCCP_PNC_SEQUENCING			= 8,
-	SCCP_PNC_CREDIT				= 9,
-	SCCP_PNC_RELEASE_CAUSE			= 10,
-	SCCP_PNC_RETURN_CAUSE			= 11,
-	SCCP_PNC_RESET_CAUSE			= 12,
-	SCCP_PNC_ERROR_CAUSE			= 13,
-	SCCP_PNC_REFUSAL_CAUSE			= 14,
-	SCCP_PNC_DATA				= 15,
-	SCCP_PNC_SEGMENTATION			= 16,
-	SCCP_PNC_HOP_COUNTER			= 17,
-	SCCP_PNC_IMPORTANCE			= 18,
-	SCCP_PNC_LONG_DATA			= 19,
-};
-
-/* Figure 3/Q.713 Called/calling party address */
-enum {
-	SCCP_TITLE_IND_NONE			= 0,
-	SCCP_TITLE_IND_NATURE_ONLY		= 1,
-	SCCP_TITLE_IND_TRANSLATION_ONLY		= 2,
-	SCCP_TITLE_IND_TRANS_NUM_ENC		= 3,
-	SCCP_TITLE_IND_TRANS_NUM_ENC_NATURE	= 4,
-};
-
-enum {
-	SCCP_CALL_ROUTE_ON_SSN			= 1,
-	SCCP_CALL_ROUTE_ON_GT			= 0,
-};
-
-struct sccp_called_party_address {
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-	u_int8_t	point_code_indicator : 1,
-			ssn_indicator	     : 1,
-			global_title_indicator : 4,
-			routing_indicator    : 1,
-			reserved	     : 1;
-#elif __BYTE_ORDER == __BIG_ENDIAN
-	u_int8_t	reserved	     : 1,
-			routing_indicator    : 1,
-			global_title_indicator : 4,
-			ssn_indicator	     : 1,
-			point_code_indicator : 1;
-#endif
-	u_int8_t	data[0];
-} __attribute__((packed));
-
-/* indicator indicates presence in the above order */
-
-/* Figure 6/Q.713 */
-struct sccp_signalling_point_code {
-	u_int8_t	lsb;
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-	u_int8_t	msb : 6,
-			reserved : 2;
-#elif __BYTE_ORDER == __BIG_ENDIAN
-	u_int8_t	reserved : 2,
-			msb : 6;
-#endif
-} __attribute__((packed));
-
-/* SSN == subsystem number */
-enum sccp_subsystem_number {
-	SCCP_SSN_NOT_KNOWN_OR_USED	    = 0,
-	SCCP_SSN_MANAGEMENT		    = 1,
-	SCCP_SSN_RESERVED_ITU		    = 2,
-	SCCP_SSN_ISDN_USER_PART		    = 3,
-	SCCP_SSN_OMAP			    = 4, /* operation, maint and administration part */
-	SCCP_SSN_MAP			    = 5, /* mobile application part */
-	SCCP_SSN_HLR			    = 6,
-	SCCP_SSN_VLR			    = 7,
-	SCCP_SSN_MSC			    = 8,
-	SCCP_SSN_EIC			    = 9, /* equipent identifier centre */
-	SCCP_SSN_AUC			    = 10, /* authentication centre */
-	SCCP_SSN_ISDN_SUPPL_SERVICES	    = 11,
-	SCCP_SSN_RESERVED_INTL		    = 12,
-	SCCP_SSN_ISDN_EDGE_TO_EDGE	    = 13,
-	SCCP_SSN_TC_TEST_RESPONDER	    = 14,
-
-	/* From GSM 03.03 8.2 */
-	SCCP_SSN_BSSAP			    = 254,
-	SCCP_SSN_BSSOM			    = 253,
-};
-
-/* Q.713, 3.4.2.3 */
-enum {
-	SCCP_NAI_UNKNOWN		    = 0,
-	SCCP_NAI_SUBSCRIBER_NUMBER	    = 1,
-	SCCP_NAI_RESERVED_NATIONAL	    = 2,
-	SCCP_NAI_NATIONAL_SIGNIFICANT	    = 3,
-	SCCP_NAI_INTERNATIONAL		    = 4,
-};
-
-struct sccp_global_title {
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-	u_int8_t	nature_of_addr_ind : 7,
-			odd_even : 1;
-#elif __BYTE_ORDER == __BIG_ENDIAN
-	u_int8_t	odd_even : 1,
-			nature_of_addr_ind : 7;
-#endif
-	u_int8_t	data[0];
-} __attribute__((packed));
-
-/* Q.713, 3.3 */
-struct sccp_source_reference {
-	u_int8_t    octet1;
-	u_int8_t    octet2;
-	u_int8_t    octet3;
-} __attribute__((packed));
-
-/* Q.714, 3.6 */
-enum sccp_protocol_class {
-	SCCP_PROTOCOL_CLASS_0		    = 0,
-	SCCP_PROTOCOL_CLASS_1		    = 1,
-	SCCP_PROTOCOL_CLASS_2		    = 2,
-	SCCP_PROTOCOL_CLASS_3		    = 3,
-};
-
-/* bits 5-8 when class0, class1 is used */
-enum sccp_protocol_options {
-	SCCP_PROTOCOL_NO_SPECIAL	    = 0,
-	SCCP_PROTOCOL_RETURN_MESSAGE	    = 8,
-};
-
-enum sccp_release_cause {
-	SCCP_RELEASE_CAUSE_END_USER_ORIGINATED	    = 0,
-	SCCP_RELEASE_CAUSE_END_USER_CONGESTION	    = 1,
-	SCCP_RELEASE_CAUSE_END_USER_FAILURE	    = 2,
-	SCCP_RELEASE_CAUSE_SCCP_USER_ORIGINATED	    = 3,
-	SCCP_RELEASE_CAUSE_REMOTE_PROCEDURE_ERROR   = 4,
-	SCCP_RELEASE_CAUSE_INCONSISTENT_CONN_DATA   = 5,
-	SCCP_RELEASE_CAUSE_ACCESS_FAILURE	    = 6,
-	SCCP_RELEASE_CAUSE_ACCESS_CONGESTION	    = 7,
-	SCCP_RELEASE_CAUSE_SUBSYSTEM_FAILURE	    = 8,
-	SCCP_RELEASE_CAUSE_SUBSYSTEM_CONGESTION	    = 9,
-	SCCP_RELEASE_CAUSE_MTP_FAILURE		    = 10,
-	SCCP_RELEASE_CAUSE_NETWORK_CONGESTION	    = 11,
-	SCCP_RELEASE_CAUSE_EXPIRATION_RESET	    = 12,
-	SCCP_RELEASE_CAUSE_EXPIRATION_INACTIVE	    = 13,
-	SCCP_RELEASE_CAUSE_RESERVED		    = 14,
-	SCCP_RELEASE_CAUSE_UNQUALIFIED		    = 15,
-	SCCP_RELEASE_CAUSE_SCCP_FAILURE		    = 16,
-};
-
-enum sccp_return_cause {
-	SCCP_RETURN_CAUSE_NO_TRANSLATION_NATURE	    = 0,
-	SCCP_RETURN_CAUSE_NO_TRANSLATION	    = 1,
-	SCCP_RETURN_CAUSE_SUBSYSTEM_CONGESTION	    = 2,
-	SCCP_RETURN_CAUSE_SUBSYSTEM_FAILURE	    = 3,
-	SCCP_RETURN_CAUSE_UNEQUIPPED_USER	    = 4,
-	SCCP_RETURN_CAUSE_MTP_FAILURE		    = 5,
-	SCCP_RETURN_CAUSE_NETWORK_CONGESTION	    = 6,
-	SCCP_RETURN_CAUSE_UNQUALIFIED		    = 7,
-	SCCP_RETURN_CAUSE_ERROR_IN_MSG_TRANSPORT    = 8,
-	SCCP_RETURN_CAUSE_ERROR_IN_LOCAL_PROCESSING = 9,
-	SCCP_RETURN_CAUSE_DEST_CANNOT_PERFORM_REASSEMBLY = 10,
-	SCCP_RETURN_CAUSE_SCCP_FAILURE		    = 11,
-	SCCP_RETURN_CAUSE_HOP_COUNTER_VIOLATION	    = 12,
-	SCCP_RETURN_CAUSE_SEGMENTATION_NOT_SUPPORTED= 13,
-	SCCP_RETURN_CAUSE_SEGMENTATION_FAOLURE	    = 14
-};
-
-enum sccp_reset_cause {
-	SCCP_RESET_CAUSE_END_USER_ORIGINATED	    = 0,
-	SCCP_RESET_CAUSE_SCCP_USER_ORIGINATED	    = 1,
-	SCCP_RESET_CAUSE_MSG_OUT_OF_ORDER_PS	    = 2,
-	SCCP_RESET_CAUSE_MSG_OUT_OF_ORDER_PR	    = 3,
-	SCCP_RESET_CAUSE_RPC_OUT_OF_WINDOW	    = 4,
-	SCCP_RESET_CAUSE_RPC_INCORRECT_PS	    = 5,
-	SCCP_RESET_CAUSE_RPC_GENERAL		    = 6,
-	SCCP_RESET_CAUSE_REMOTE_END_USER_OPERATIONAL= 7,
-	SCCP_RESET_CAUSE_NETWORK_OPERATIONAL	    = 8,
-	SCCP_RESET_CAUSE_ACCESS_OPERATIONAL	    = 9,
-	SCCP_RESET_CAUSE_NETWORK_CONGESTION	    = 10,
-	SCCP_RESET_CAUSE_RESERVED		    = 11,
-};
-
-enum sccp_error_cause {
-	SCCP_ERROR_LRN_MISMATCH_UNASSIGNED	    = 0, /* local reference number */
-	SCCP_ERROR_LRN_MISMATCH_INCONSISTENT	    = 1,
-	SCCP_ERROR_POINT_CODE_MISMATCH		    = 2,
-	SCCP_ERROR_SERVICE_CLASS_MISMATCH	    = 3,
-	SCCP_ERROR_UNQUALIFIED			    = 4,
-};
-
-enum sccp_refusal_cause {
-	SCCP_REFUSAL_END_USER_ORIGINATED	    = 0,
-	SCCP_REFUSAL_END_USER_CONGESTION	    = 1,
-	SCCP_REFUSAL_END_USER_FAILURE		    = 2,
-	SCCP_REFUSAL_SCCP_USER_ORIGINATED	    = 3,
-	SCCP_REFUSAL_DESTINATION_ADDRESS_UKNOWN	    = 4,
-	SCCP_REFUSAL_DESTINATION_INACCESSIBLE	    = 5,
-	SCCP_REFUSAL_NET_QOS_NON_TRANSIENT	    = 6,
-	SCCP_REFUSAL_NET_QOS_TRANSIENT		    = 7,
-	SCCP_REFUSAL_ACCESS_FAILURE		    = 8,
-	SCCP_REFUSAL_ACCESS_CONGESTION		    = 9,
-	SCCP_REFUSAL_SUBSYSTEM_FAILURE		    = 10,
-	SCCP_REFUSAL_SUBSYTEM_CONGESTION	    = 11,
-	SCCP_REFUSAL_EXPIRATION			    = 12,
-	SCCP_REFUSAL_INCOMPATIBLE_USER_DATA	    = 13,
-	SCCP_REFUSAL_RESERVED			    = 14,
-	SCCP_REFUSAL_UNQUALIFIED		    = 15,
-	SCCP_REFUSAL_HOP_COUNTER_VIOLATION	    = 16,
-	SCCP_REFUSAL_SCCP_FAILURE		    = 17,
-	SCCP_REFUSAL_UNEQUIPPED_USER		    = 18,
-};
-
-/*
- * messages... as of Q.713 Chapter 4
- */
-struct sccp_connection_request {
-	/* mandantory */
-	u_int8_t			type;
-	struct sccp_source_reference	source_local_reference;
-	u_int8_t			proto_class;
-
-
-	/* variable */
-	u_int8_t			variable_called;
-#if VARIABLE
-	called_party_address
-#endif
-
-	/* optional */
-	u_int8_t			optional_start;
-
-#if OPTIONAL
-	credit 3
-	callingparty var 4-n
-	data            3-130
-	hop_counter     3
-	importance      3
-	end_of_optional 1
-#endif
-
-	u_int8_t			data[0];
-} __attribute__((packed));
-
-struct sccp_connection_confirm {
-	/* mandantory */
-	u_int8_t			type;
-	struct sccp_source_reference	destination_local_reference;
-	struct sccp_source_reference	source_local_reference;
-	u_int8_t			proto_class;
-
-	/* optional */
-	u_int8_t			optional_start;
-
-	/* optional */
-#if OPTIONAL
-	credit 3
-	called party 4
-	data            3-130
-	importance      3
-	end_of_optional 1
-#endif
-
-	u_int8_t			data[0];
-} __attribute__((packed));
-
-struct sccp_connection_refused {
-	/* mandantory */
-	u_int8_t			type;
-	struct sccp_source_reference	destination_local_reference;
-	u_int8_t			cause;
-
-	/* optional */
-	u_int8_t			optional_start;
-
-	/* optional */
-#if OPTIONAL
-	called party 4
-	data            3-130
-	importance      3
-	end_of_optional 1
-#endif
-
-	u_int8_t			data[0];
-} __attribute__((packed));
-
-struct sccp_connection_released {
-	/* mandantory */
-	u_int8_t			type;
-	struct sccp_source_reference	destination_local_reference;
-	struct sccp_source_reference	source_local_reference;
-	u_int8_t			release_cause;
-
-
-	/* optional */
-	u_int8_t			optional_start;
-
-#if OPTIONAL
-	data            3-130
-	importance      3
-	end_of_optional 1
-#endif
-	u_int8_t			data[0];
-} __attribute__((packed));
-
-struct sccp_connection_release_complete {
-	u_int8_t			type;
-	struct sccp_source_reference	destination_local_reference;
-	struct sccp_source_reference	source_local_reference;
-} __attribute__((packed));
-
-struct sccp_data_form1 {
-	/* mandantory */
-	u_int8_t			type;
-	struct sccp_source_reference	destination_local_reference;
-	u_int8_t			segmenting;
-
-	/* variable */
-	u_int8_t			variable_start;
-
-#if VARIABLE
-	data 2-256;
-#endif
-
-	u_int8_t			data[0];
-} __attribute__((packed));
-
-
-struct sccp_data_unitdata {
-	/* mandantory */
-	u_int8_t			type;
-	u_int8_t			proto_class;
-
-
-	/* variable */
-	u_int8_t			variable_called;
-	u_int8_t			variable_calling;
-	u_int8_t			variable_data;
-
-#if VARIABLE
-	called party address
-	calling party address
-#endif
-
-	u_int8_t			data[0];
-} __attribute__((packed));
-
-struct sccp_data_it {
-	/* mandantory */
-	u_int8_t			type;
-	struct sccp_source_reference	destination_local_reference;
-	struct sccp_source_reference	source_local_reference;
-	u_int8_t			proto_class;
-
-	u_int8_t			sequencing[2];
-	u_int8_t			credit;
-} __attribute__((packed));
-
-#endif

openbsc/include/vty/buffer.h

@@ -28,7 +28,7 @@
 /* Create a new buffer.  Memory will be allocated in chunks of the given
    size.  If the argument is 0, the library will supply a reasonable
    default size suitable for buffering socket I/O. */
-struct buffer *buffer_new(size_t);
+struct buffer *buffer_new(void *ctx, size_t);
 
 /* Free all data in the buffer. */
 void buffer_reset(struct buffer *);

openbsc/include/vty/command.h

@@ -65,6 +65,7 @@ enum node_type {
 	VIEW_NODE,		/* View node. Default mode of vty interface. */
 	AUTH_ENABLE_NODE,	/* Authentication mode for change enable. */
 	ENABLE_NODE,		/* Enable node. */
+	OML_NODE,
 	CONFIG_NODE,		/* Config node. Default mode of config file. */
 	SERVICE_NODE,		/* Service node. */
 	DEBUG_NODE,		/* Debug node. */

openbsc/libsccp.pc.in

@@ -1,10 +0,0 @@
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@
-
-Name: OpenBSC SCCP Lib
-Description: OpenBSC SCCP Lib
-Version: @VERSION@
-Libs: -L${libdir} -lsccp
-Cflags: -I${includedir}/

openbsc/src/Makefile.am

@@ -1,38 +1,38 @@
 INCLUDES = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
-AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS)
-AM_LDFLAGS = $(LIBOSMOCORE_LIBS)
+AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOSCCP_CFLAGS)
+AM_LDFLAGS = $(LIBOSMOCORE_LIBS) $(LIBOSMOSCCP_LIBS)
 
 sbin_PROGRAMS = bsc_hack bs11_config ipaccess-find ipaccess-config \
-                isdnsync bsc_mgcp ipaccess-proxy
+                isdnsync bsc_mgcp ipaccess-proxy \
+                bsc_msc_ip
 noinst_LIBRARIES = libbsc.a libmsc.a libvty.a
 noinst_HEADERS = vty/cardshell.h
 
-bscdir = $(libdir)
-bsc_LIBRARIES = libsccp.a
-
 libbsc_a_SOURCES = abis_rsl.c abis_nm.c gsm_data.c gsm_04_08_utils.c \
-		chan_alloc.c debug.c \
+		chan_alloc.c debug.c abis_nm_vty.c \
 		gsm_subscriber_base.c subchan_demux.c bsc_rll.c transaction.c \
 		trau_frame.c trau_mux.c paging.c e1_config.c e1_input.c \
 		input/misdn.c input/ipaccess.c \
 		talloc_ctx.c system_information.c rest_octets.c \
 		rtp_proxy.c bts_siemens_bs11.c bts_ipaccess_nanobts.c \
-		bts_unknown.c bsc_version.c bsc_api.c vty_interface_cmds.c
+		bts_unknown.c meas_rep.c telnet_interface.c bsc_version.c bsc_api.c vty_interface_cmds.c 
 
-libmsc_a_SOURCES = gsm_subscriber.c db.c telnet_interface.c \
+libmsc_a_SOURCES = gsm_subscriber.c db.c \
 		mncc.c gsm_04_08.c gsm_04_11.c transaction.c \
 		token_auth.c rrlp.c gsm_04_80.c ussd.c silent_call.c \
-		handover_logic.c handover_decision.c meas_rep.c
+		handover_logic.c handover_decision.c
 
 libvty_a_SOURCES = vty/buffer.c vty/command.c vty/vector.c vty/vty.c
 
-libsccp_a_SOURCES = sccp/sccp.c
-
 bsc_hack_SOURCES = bsc_hack.c bsc_init.c vty_interface.c vty_interface_layer3.c
 bsc_hack_LDADD = libmsc.a libbsc.a libmsc.a libvty.a -ldl -ldbi $(LIBCRYPT)
 
 bs11_config_SOURCES = bs11_config.c abis_nm.c gsm_data.c debug.c \
 		      rs232.c bts_siemens_bs11.c
+bsc_msc_ip_SOURCES = bssap.c bsc_msc_ip.c bsc_init.c vty_interface.c vty_interface_bsc.c \
+		bsc_msc.c osmo_bsc_rf.c osmo_bsc_grace.c gsm_04_80.c
+bsc_msc_ip_LDADD = libbsc.a libvty.a $(LIBOSMOSCCP_LIBS)
+
 
 ipaccess_find_SOURCES = ipaccess/ipaccess-find.c
 
@@ -46,3 +46,4 @@ bsc_mgcp_SOURCES = mgcp/mgcp_main.c mgcp/mgcp_protocol.c mgcp/mgcp_network.c mgc
 bsc_mgcp_LDADD = libvty.a
 
 ipaccess_proxy_SOURCES = ipaccess/ipaccess-proxy.c debug.c
+

openbsc/src/abis_nm.c

@@ -410,39 +410,59 @@ static struct msgb *nm_msgb_alloc(void)
 }
 
 /* Send a OML NM Message from BSC to BTS */
-int abis_nm_sendmsg(struct gsm_bts *bts, struct msgb *msg)
+static int abis_nm_queue_msg(struct gsm_bts *bts, struct msgb *msg)
 {
 	msg->trx = bts->c0;
 
-	return _abis_nm_sendmsg(msg);
+	/* queue OML messages */
+	if (llist_empty(&bts->abis_queue) && !bts->abis_nm_pend) {
+		bts->abis_nm_pend = OBSC_NM_W_ACK_CB(msg);
+		return _abis_nm_sendmsg(msg);
+	} else {
+		msgb_enqueue(&bts->abis_queue, msg);
+		return 0;
+	}
+
+}
+
+int abis_nm_sendmsg(struct gsm_bts *bts, struct msgb *msg)
+{
+	OBSC_NM_W_ACK_CB(msg) = 1;
+	return abis_nm_queue_msg(bts, msg);
+}
+
+static int abis_nm_sendmsg_direct(struct gsm_bts *bts, struct msgb *msg)
+{
+	OBSC_NM_W_ACK_CB(msg) = 0;
+	return abis_nm_queue_msg(bts, msg);
 }
 
 static int abis_nm_rcvmsg_sw(struct msgb *mb);
 
-static struct value_string obj_class_names[] = {
-	{ NM_OC_SITE_MANAGER,	"SITE MANAGER" },
+const struct value_string abis_nm_obj_class_names[] = {
+	{ NM_OC_SITE_MANAGER,	"SITE-MANAGER" },
 	{ NM_OC_BTS,		"BTS" },
-	{ NM_OC_RADIO_CARRIER,	"RADIO CARRIER" },
-	{ NM_OC_BASEB_TRANSC,	"BASEBAND TRANSCEIVER" },
+	{ NM_OC_RADIO_CARRIER,	"RADIO-CARRIER" },
+	{ NM_OC_BASEB_TRANSC,	"BASEBAND-TRANSCEIVER" },
 	{ NM_OC_CHANNEL,	"CHANNEL" },
 	{ NM_OC_BS11_ADJC,	"ADJC" },
 	{ NM_OC_BS11_HANDOVER,	"HANDOVER" },
-	{ NM_OC_BS11_PWR_CTRL,	"POWER CONTROL" },
+	{ NM_OC_BS11_PWR_CTRL,	"POWER-CONTROL" },
 	{ NM_OC_BS11_BTSE,	"BTSE" },
 	{ NM_OC_BS11_RACK,	"RACK" },
 	{ NM_OC_BS11_TEST,	"TEST" },
 	{ NM_OC_BS11_ENVABTSE,	"ENVABTSE" },
 	{ NM_OC_BS11_BPORT,	"BPORT" },
-	{ NM_OC_GPRS_NSE,	"GPRS NSE" },
-	{ NM_OC_GPRS_CELL,	"GPRS CELL" },
-	{ NM_OC_GPRS_NSVC,	"GPRS NSVC" },
+	{ NM_OC_GPRS_NSE,	"GPRS-NSE" },
+	{ NM_OC_GPRS_CELL,	"GPRS-CELL" },
+	{ NM_OC_GPRS_NSVC,	"GPRS-NSVC" },
 	{ NM_OC_BS11,		"SIEMENSHW" },
 	{ 0,			NULL }
 };
 
 static const char *obj_class_name(u_int8_t oc)
 {
-	return get_value_string(obj_class_names, oc);
+	return get_value_string(abis_nm_obj_class_names, oc);
 }
 
 const char *nm_opstate_name(u_int8_t os)
@@ -490,18 +510,17 @@ static struct value_string test_names[] = {
 	{ 0, NULL }
 };
 
+const struct value_string abis_nm_adm_state_names[] = {
+	{ NM_STATE_LOCKED,	"Locked" },
+	{ NM_STATE_UNLOCKED,	"Unlocked" },
+	{ NM_STATE_SHUTDOWN,	"Shutdown" },
+	{ NM_STATE_NULL,	"NULL" },
+	{ 0, NULL }
+};
+
 const char *nm_adm_name(u_int8_t adm)
 {
-	switch (adm) {
-	case 1:
-		return "Locked";
-	case 2:
-		return "Unlocked";
-	case 3:
-		return "Shutdown";
-	default:
-		return "<not used>";
-	}
+	return get_value_string(abis_nm_adm_state_names, adm);
 }
 
 int nm_is_running(struct gsm_nm_state *s) {
@@ -678,7 +697,7 @@ static int update_admstate(struct gsm_bts *bts, u_int8_t obj_class,
 	new_state = *nm_state;
 	new_state.administrative = adm_state;
 
-	rc = nm_state_event(EVT_STATECHG_ADM, obj_class, obj, nm_state, &new_state);
+	rc = nm_state_event(EVT_STATECHG_ADM, obj_class, obj, nm_state, &new_state, obj_inst);
 
 	nm_state->administrative = adm_state;
 
@@ -732,7 +751,7 @@ static int abis_nm_rx_statechg_rep(struct msgb *mb)
 		/* Update the operational state of a given object in our in-memory data
  		* structures and send an event to the higher layer */
 		void *obj = objclass2obj(bts, foh->obj_class, &foh->obj_inst);
-		rc = nm_state_event(EVT_STATECHG_OPER, foh->obj_class, obj, nm_state, &new_state);
+		rc = nm_state_event(EVT_STATECHG_OPER, foh->obj_class, obj, nm_state, &new_state, &foh->obj_inst);
 		nm_state->operational = new_state.operational;
 		nm_state->availability = new_state.availability;
 		if (nm_state->administrative == 0)
@@ -952,12 +971,30 @@ static int abis_nm_rx_lmt_event(struct msgb *mb)
 	return 0;
 }
 
+static void abis_nm_queue_send_next(struct gsm_bts *bts)
+{
+	int wait = 0;
+	struct msgb *msg;
+	/* the queue is empty */
+	while (!llist_empty(&bts->abis_queue)) {
+		msg = msgb_dequeue(&bts->abis_queue);
+		wait = OBSC_NM_W_ACK_CB(msg);
+		_abis_nm_sendmsg(msg);
+
+		if (wait)
+			break;
+	}
+
+	bts->abis_nm_pend = wait;
+}
+
 /* Receive a OML NM Message from BTS */
 static int abis_nm_rcvmsg_fom(struct msgb *mb)
 {
 	struct abis_om_hdr *oh = msgb_l2(mb);
 	struct abis_om_fom_hdr *foh = msgb_l3(mb);
 	u_int8_t mt = foh->msg_type;
+	int ret = 0;
 
 	/* check for unsolicited message */
 	if (is_report(mt))
@@ -971,16 +1008,17 @@ static int abis_nm_rcvmsg_fom(struct msgb *mb)
 
 		debugp_foh(foh);
 
-		DEBUGPC(DNM, "%s NACK ", get_value_string(nack_names, mt));
+		LOGPC(DNM, LOGL_ERROR, "%s NACK ", get_value_string(nack_names, mt));
 
 		abis_nm_tlv_parse(&tp, mb->trx->bts, foh->data, oh->length-sizeof(*foh));
 		if (TLVP_PRESENT(&tp, NM_ATT_NACK_CAUSES))
-			DEBUGPC(DNM, "CAUSE=%s\n",
+			LOGPC(DNM, LOGL_ERROR, "CAUSE=%s\n",
 				nack_cause_name(*TLVP_VAL(&tp, NM_ATT_NACK_CAUSES)));
 		else
-			DEBUGPC(DNM, "\n");
+			LOGPC(DNM, LOGL_ERROR, "\n");
 
 		dispatch_signal(SS_NM, S_NM_NACK, (void*) &mt);
+		abis_nm_queue_send_next(mb->trx->bts);
 		return 0;
 	}
 #if 0
@@ -1002,13 +1040,13 @@ static int abis_nm_rcvmsg_fom(struct msgb *mb)
 
 	switch (mt) {
 	case NM_MT_CHG_ADM_STATE_ACK:
-		return abis_nm_rx_chg_adm_state_ack(mb);
+		ret = abis_nm_rx_chg_adm_state_ack(mb);
 		break;
 	case NM_MT_SW_ACT_REQ:
-		return abis_nm_rx_sw_act_req(mb);
+		ret = abis_nm_rx_sw_act_req(mb);
 		break;
 	case NM_MT_BS11_LMT_SESSION:
-		return abis_nm_rx_lmt_event(mb);
+		ret = abis_nm_rx_lmt_event(mb);
 		break;
 	case NM_MT_CONN_MDROP_LINK_ACK:
 		DEBUGP(DNM, "CONN MDROP LINK ACK\n");
@@ -1021,7 +1059,8 @@ static int abis_nm_rcvmsg_fom(struct msgb *mb)
 		break;
 	}
 
-	return 0;
+	abis_nm_queue_send_next(mb->trx->bts);
+	return ret;
 }
 
 static int abis_nm_rx_ipacc(struct msgb *mb);
@@ -1034,6 +1073,7 @@ static int abis_nm_rcvmsg_manuf(struct msgb *mb)
 	switch (bts_type) {
 	case GSM_BTS_TYPE_NANOBTS:
 		rc = abis_nm_rx_ipacc(mb);
+		abis_nm_queue_send_next(mb->trx->bts);
 		break;
 	default:
 		LOGP(DNM, LOGL_ERROR, "don't know how to parse OML for this "
@@ -1139,6 +1179,7 @@ enum sw_state {
 
 struct abis_nm_sw {
 	struct gsm_bts *bts;
+	int trx_nr;
 	gsm_cbfn *cbfn;
 	void *cb_data;
 	int forced;
@@ -1276,7 +1317,7 @@ static int sw_load_segment(struct abis_nm_sw *sw)
 			sw->obj_instance[0], sw->obj_instance[1],
 			sw->obj_instance[2]);
 
-	return abis_nm_sendmsg(sw->bts, msg);
+	return abis_nm_sendmsg_direct(sw->bts, msg);
 }
 
 /* 6.2.4 / 8.3.4 Load Data End */
@@ -1469,6 +1510,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
 					 sw->cb_data, NULL);
 			rc = sw_fill_window(sw);
 			sw->state = SW_STATE_WAIT_SEGACK;
+			abis_nm_queue_send_next(mb->trx->bts);
 			break;
 		case NM_MT_LOAD_INIT_NACK:
 			if (sw->forced) {
@@ -1489,6 +1531,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
 						 sw->cb_data, NULL);
 				sw->state = SW_STATE_ERROR;
 			}
+			abis_nm_queue_send_next(mb->trx->bts);
 			break;
 		}
 		break;
@@ -1509,6 +1552,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
 				sw->state = SW_STATE_WAIT_ENDACK;
 				rc = sw_load_end(sw);
 			}
+			abis_nm_queue_send_next(mb->trx->bts);
 			break;
 		case NM_MT_LOAD_ABORT:
 			if (sw->cbfn)
@@ -1530,6 +1574,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
 					 NM_MT_LOAD_END_ACK, mb,
 					 sw->cb_data, NULL);
 			rc = 0;
+			abis_nm_queue_send_next(mb->trx->bts);
 			break;
 		case NM_MT_LOAD_END_NACK:
 			if (sw->forced) {
@@ -1549,6 +1594,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
 						 NM_MT_LOAD_END_NACK, mb,
 						 sw->cb_data, NULL);
 			}
+			abis_nm_queue_send_next(mb->trx->bts);
 			break;
 		}
 	case SW_STATE_WAIT_ACTACK:
@@ -1562,6 +1608,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
 				sw->cbfn(GSM_HOOK_NM_SWLOAD,
 					 NM_MT_ACTIVATE_SW_ACK, mb,
 					 sw->cb_data, NULL);
+			abis_nm_queue_send_next(mb->trx->bts);
 			break;
 		case NM_MT_ACTIVATE_SW_NACK:
 			DEBUGP(DNM, "Activate Software NACK\n");
@@ -1571,6 +1618,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
 				sw->cbfn(GSM_HOOK_NM_SWLOAD,
 					 NM_MT_ACTIVATE_SW_NACK, mb,
 					 sw->cb_data, NULL);
+			abis_nm_queue_send_next(mb->trx->bts);
 			break;
 		}
 	case SW_STATE_NONE:
@@ -1592,7 +1640,7 @@ static int abis_nm_rcvmsg_sw(struct msgb *mb)
 }
 
 /* Load the specified software into the BTS */
-int abis_nm_software_load(struct gsm_bts *bts, const char *fname,
+int abis_nm_software_load(struct gsm_bts *bts, int trx_nr, const char *fname,
 			  u_int8_t win_size, int forced,
 			  gsm_cbfn *cbfn, void *cb_data)
 {
@@ -1606,6 +1654,7 @@ int abis_nm_software_load(struct gsm_bts *bts, const char *fname,
 		return -EBUSY;
 
 	sw->bts = bts;
+	sw->trx_nr = trx_nr;
 
 	switch (bts->type) {
 	case GSM_BTS_TYPE_BS11:
@@ -1616,8 +1665,8 @@ int abis_nm_software_load(struct gsm_bts *bts, const char *fname,
 		break;
 	case GSM_BTS_TYPE_NANOBTS:
 		sw->obj_class = NM_OC_BASEB_TRANSC;
-		sw->obj_instance[0] = 0x00;
-		sw->obj_instance[1] = 0x00;
+		sw->obj_instance[0] = sw->bts->nr;
+		sw->obj_instance[1] = sw->trx_nr;
 		sw->obj_instance[2] = 0xff;
 		break;
 	case GSM_BTS_TYPE_UNKNOWN:
@@ -2012,7 +2061,7 @@ int abis_nm_sw_act_req_ack(struct gsm_bts *bts, u_int8_t obj_class, u_int8_t i1,
 	if (nack)
 		msgb_tv_put(msg, NM_ATT_NACK_CAUSES, NM_NACK_OBJCLASS_NOTSUPP);
 
-	return abis_nm_sendmsg(bts, msg);
+	return abis_nm_sendmsg_direct(bts, msg);
 }
 
 int abis_nm_raw_msg(struct gsm_bts *bts, int len, u_int8_t *rawmsg)
@@ -2551,7 +2600,7 @@ static int bs11_swload_cbfn(unsigned int hook, unsigned int event,
 		fle = fl_dequeue(&bs11_sw->file_list);
 		if (fle) {
 			/* start download the next file of our file list */
-			rc = abis_nm_software_load(bs11_sw->bts, fle->fname,
+			rc = abis_nm_software_load(bs11_sw->bts, 0xff, fle->fname,
 						   bs11_sw->win_size,
 						   bs11_sw->forced,
 						   &bs11_swload_cbfn, bs11_sw);
@@ -2607,7 +2656,7 @@ int abis_nm_bs11_load_swl(struct gsm_bts *bts, const char *fname,
 		return -EINVAL;
 
 	/* start download the next file of our file list */
-	rc = abis_nm_software_load(bts, fle->fname, win_size, forced,
+	rc = abis_nm_software_load(bts, 0xff, fle->fname, win_size, forced,
 				   bs11_swload_cbfn, bs11_sw);
 	talloc_free(fle);
 	return rc;
@@ -2688,6 +2737,7 @@ static const char ipaccess_magic[] = "com.ipaccess";
 
 static int abis_nm_rx_ipacc(struct msgb *msg)
 {
+	struct in_addr addr;
 	struct abis_om_hdr *oh = msgb_l2(msg);
 	struct abis_om_fom_hdr *foh;
 	u_int8_t idstrlen = oh->data[0];
@@ -2709,10 +2759,12 @@ static int abis_nm_rx_ipacc(struct msgb *msg)
 	switch (foh->msg_type) {
 	case NM_MT_IPACC_RSL_CONNECT_ACK:
 		DEBUGPC(DNM, "RSL CONNECT ACK ");
-		if (TLVP_PRESENT(&tp, NM_ATT_IPACC_DST_IP))
-			DEBUGPC(DNM, "IP=%s ",
-				inet_ntoa(*((struct in_addr *)
-					TLVP_VAL(&tp, NM_ATT_IPACC_DST_IP))));
+		if (TLVP_PRESENT(&tp, NM_ATT_IPACC_DST_IP)) {
+			memcpy(&addr,
+				TLVP_VAL(&tp, NM_ATT_IPACC_DST_IP), sizeof(addr));
+
+			DEBUGPC(DNM, "IP=%s ", inet_ntoa(addr));
+		}
 		if (TLVP_PRESENT(&tp, NM_ATT_IPACC_DST_IP_PORT))
 			DEBUGPC(DNM, "PORT=%u ",
 				ntohs(*((u_int16_t *)
@@ -2775,12 +2827,12 @@ static int abis_nm_rx_ipacc(struct msgb *msg)
 	case NM_MT_IPACC_RSL_CONNECT_NACK:
 	case NM_MT_IPACC_SET_NVATTR_NACK:
 	case NM_MT_IPACC_GET_NVATTR_NACK:
-		signal.bts = msg->trx->bts;
+		signal.trx = gsm_bts_trx_by_nr(msg->trx->bts, foh->obj_inst.trx_nr);
 		signal.msg_type = foh->msg_type;
 		dispatch_signal(SS_NM, S_NM_IPACC_NACK, &signal);
 		break;
 	case NM_MT_IPACC_SET_NVATTR_ACK:
-		signal.bts = msg->trx->bts;
+		signal.trx = gsm_bts_trx_by_nr(msg->trx->bts, foh->obj_inst.trx_nr);
 		signal.msg_type = foh->msg_type;
 		dispatch_signal(SS_NM, S_NM_IPACC_ACK, &signal);
 		break;
@@ -2866,9 +2918,16 @@ int abis_nm_ipaccess_rsl_connect(struct gsm_bts_trx *trx,
 }
 
 /* restart / reboot an ip.access nanoBTS */
-int abis_nm_ipaccess_restart(struct gsm_bts *bts)
+int abis_nm_ipaccess_restart(struct gsm_bts_trx *trx)
 {
-	return __simple_cmd(bts, NM_MT_IPACC_RESTART);
+	struct abis_om_hdr *oh;
+	struct msgb *msg = nm_msgb_alloc();
+
+	oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
+	fill_om_fom_hdr(oh, 0, NM_MT_IPACC_RESTART, NM_OC_BASEB_TRANSC,
+			trx->bts->nr, trx->nr, 0xff);
+
+	return abis_nm_sendmsg(trx->bts, msg);
 }
 
 int abis_nm_ipaccess_set_attr(struct gsm_bts *bts, u_int8_t obj_class,
@@ -3004,3 +3063,15 @@ int ipac_parse_bcch_info(struct ipac_bcch_info *binf, u_int8_t *buf)
 
 	return 0;
 }
+
+void abis_nm_clear_queue(struct gsm_bts *bts)
+{
+	struct msgb *msg;
+
+	while (!llist_empty(&bts->abis_queue)) {
+		msg = msgb_dequeue(&bts->abis_queue);
+		msgb_free(msg);
+	}
+
+	bts->abis_nm_pend = 0;
+}

openbsc/src/abis_nm_vty.c

@@ -0,0 +1,194 @@
+/* VTY interface for A-bis OML (Netowrk Management) */
+
+/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdint.h>
+
+#include <arpa/inet.h>
+
+#include <openbsc/gsm_data.h>
+#include <osmocore/msgb.h>
+#include <osmocore/tlv.h>
+#include <osmocore/talloc.h>
+#include <openbsc/debug.h>
+#include <openbsc/signal.h>
+#include <openbsc/abis_nm.h>
+#include <openbsc/vty.h>
+
+#include <vty/command.h>
+
+extern struct gsm_network *bsc_gsmnet;
+
+static struct cmd_node oml_node = {
+	OML_NODE,
+	"%s(oml)# ",
+	1,
+};
+
+struct oml_node_state {
+	struct gsm_bts *bts;
+	uint8_t obj_class;
+	uint8_t obj_inst[3];
+};
+
+static int dummy_config_write(struct vty *v)
+{
+	return CMD_SUCCESS;
+}
+
+/* FIXME: auto-generate those strings from the value_string lists */
+#define NM_OBJCLASS_VTY "(site-manager|bts|radio-carrier|baseband-transceiver|channel|adjc|handover|power-contorl|btse|rack|test|envabtse|bport|gprs-nse|gprs-cell|gprs-nsvc|siemenshw)"
+#define NM_OBJCLASS_VTY_HELP "FIXME"
+
+DEFUN(oml_class_inst, oml_class_inst_cmd,
+	"bts <0-255> oml class " NM_OBJCLASS_VTY
+					" instance <0-255> <0-255> <0-255>",
+	"BTS related commands\n" "BTS Number\n"
+	"Manipulate the OML managed objects\n"
+	"Object Class\n" 	NM_OBJCLASS_VTY_HELP
+	"Object Instance\n" "BTS Number\n" "TRX Number\n" "TS Number\n")
+{
+	struct gsm_bts *bts;
+	struct oml_node_state *oms;
+	int bts_nr = atoi(argv[0]);
+
+	bts = gsm_bts_num(bsc_gsmnet, bts_nr);
+	if (!bts) {
+		vty_out(vty, "%% No such BTS (%d)%s", bts_nr, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	oms = talloc_zero(tall_bsc_ctx, struct oml_node_state);
+	if (!oms)
+		return CMD_WARNING;
+
+	oms->bts = bts;
+	oms->obj_class = get_string_value(abis_nm_obj_class_names, argv[1]);
+	oms->obj_inst[0] = atoi(argv[2]);
+	oms->obj_inst[1] = atoi(argv[3]);
+	oms->obj_inst[2] = atoi(argv[4]);
+
+	vty->index = oms;
+	vty->node = OML_NODE;
+
+	return CMD_SUCCESS;
+
+}
+
+DEFUN(oml_classnum_inst, oml_classnum_inst_cmd,
+	"bts <0-255> oml class <0-255> instance <0-255> <0-255> <0-255>",
+	"BTS related commands\n" "BTS Number\n"
+	"Manipulate the OML managed objects\n"
+	"Object Class\n" "Object Class\n"
+	"Object Instance\n" "BTS Number\n" "TRX Number\n" "TS Number\n")
+{
+	struct gsm_bts *bts;
+	struct oml_node_state *oms;
+	int bts_nr = atoi(argv[0]);
+
+	bts = gsm_bts_num(bsc_gsmnet, bts_nr);
+	if (!bts) {
+		vty_out(vty, "%% No such BTS (%d)%s", bts_nr, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	oms = talloc_zero(tall_bsc_ctx, struct oml_node_state);
+	if (!oms)
+		return CMD_WARNING;
+
+	oms->bts = bts;
+	oms->obj_class = atoi(argv[1]);
+	oms->obj_inst[0] = atoi(argv[2]);
+	oms->obj_inst[1] = atoi(argv[3]);
+	oms->obj_inst[2] = atoi(argv[4]);
+
+	vty->index = oms;
+	vty->node = OML_NODE;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(oml_attrib_get, oml_attrib_get_cmd,
+	"attribute get <0-255>",
+	"OML Attribute Actions\n" "Get a single OML Attribute\n"
+	"OML Attribute Number\n")
+{
+	struct oml_node_state *oms = vty->index;
+
+	/* FIXME */
+	return CMD_SUCCESS;
+}
+
+DEFUN(oml_attrib_set, oml_attrib_set_cmd,
+	"attribute set <0-255> .HEX",
+	"OML Attribute Actions\n" "Set a single OML Attribute\n"
+	"OML Attribute Number\n")
+{
+	struct oml_node_state *oms = vty->index;
+
+	/* FIXME */
+	return CMD_SUCCESS;
+}
+
+DEFUN(oml_chg_adm_state, oml_chg_adm_state_cmd,
+	"change-adm-state (locked|unlocked|shutdown|null)",
+	"Change the Administrative State\n"
+	"Locked\n" "Unlocked\n" "Shutdown\n" "NULL\n")
+{
+	struct oml_node_state *oms = vty->index;
+	enum abis_nm_adm_state state;
+
+	state = get_string_value(abis_nm_adm_state_names, argv[0]);
+
+	abis_nm_chg_adm_state(oms->bts, oms->obj_class, oms->obj_inst[0],
+			      oms->obj_inst[1], oms->obj_inst[2], state);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(oml_opstart, oml_opstart_cmd,
+	"opstart", "Send an OPSTART message to the object")
+{
+	struct oml_node_state *oms = vty->index;
+
+	abis_nm_opstart(oms->bts, oms->obj_class, oms->obj_inst[0],
+			oms->obj_inst[1], oms->obj_inst[2]);
+
+	return CMD_SUCCESS;
+}
+
+int abis_nm_vty_init(void)
+{
+	install_element(ENABLE_NODE, &oml_class_inst_cmd);
+	install_element(ENABLE_NODE, &oml_classnum_inst_cmd);
+	install_node(&oml_node, dummy_config_write);
+
+	install_default(OML_NODE);
+	install_element(OML_NODE, &oml_attrib_get_cmd);
+	install_element(OML_NODE, &oml_attrib_set_cmd);
+	install_element(OML_NODE, &oml_chg_adm_state_cmd);
+	install_element(OML_NODE, &oml_opstart_cmd);
+
+	return 0;
+}

openbsc/src/abis_rsl.c

@@ -42,11 +42,15 @@
 #include <openbsc/rtp_proxy.h>
 #include <osmocore/rsl.h>
 
+#include <osmocore/talloc.h>
+
 #define RSL_ALLOC_SIZE		1024
 #define RSL_ALLOC_HEADROOM	128
 
 #define MAX(a, b) (a) >= (b) ? (a) : (b)
 
+static int rsl_send_imm_assignment(struct gsm_lchan *lchan);
+
 static u_int8_t mdisc_by_msgtype(u_int8_t msg_type)
 {
 	/* mask off the transparent bit ? */
@@ -325,7 +329,10 @@ static int channel_mode_from_lchan(struct rsl_ie_chan_mode *cm,
 	memset(cm, 0, sizeof(cm));
 
 	/* FIXME: what to do with data calls ? */
-	cm->dtx_dtu = 0x00;
+	if (lchan->ts->trx->bts->network->dtx_enabled)
+		cm->dtx_dtu = 0x03;
+	else
+		cm->dtx_dtu = 0x00;
 
 	/* set TCH Speech/Data */
 	cm->spd_ind = lchan->rsl_cmode;
@@ -568,12 +575,33 @@ int rsl_deact_sacch(struct gsm_lchan *lchan)
 	return abis_rsl_sendmsg(msg);
 }
 
+static void error_timeout_cb(void *data)
+{
+	struct gsm_lchan *lchan = data;
+	if (lchan->state != LCHAN_S_REL_ERR) {
+		LOGP(DRSL, LOGL_ERROR, "%s error timeout but not in error state: %d\n",
+		     gsm_lchan_name(lchan), lchan->state);
+		return;
+	}
+
+	/* go back to the none state */
+	LOGP(DRSL, LOGL_NOTICE, "%s is back in operation.\n", gsm_lchan_name(lchan));
+	rsl_lchan_set_state(lchan, LCHAN_S_NONE);
+}
+
 /* Chapter 8.4.14 / 4.7: Tell BTS to release the radio channel */
-int rsl_rf_chan_release(struct gsm_lchan *lchan)
+static int rsl_rf_chan_release(struct gsm_lchan *lchan, int error)
 {
 	struct abis_rsl_dchan_hdr *dh;
-	struct msgb *msg = rsl_msgb_alloc();
+	struct msgb *msg;
 
+	if (lchan->state == LCHAN_S_REL_ERR) {
+		LOGP(DRSL, LOGL_NOTICE, "%s is in error state not sending release.\n",
+		     gsm_lchan_name(lchan));
+		return -1;
+	}
+
+	msg = rsl_msgb_alloc();
 	dh = (struct abis_rsl_dchan_hdr *) msgb_put(msg, sizeof(*dh));
 	init_dchan_hdr(dh, RSL_MT_RF_CHAN_REL);
 	dh->chan_nr = lchan2chan_nr(lchan);
@@ -581,7 +609,20 @@ int rsl_rf_chan_release(struct gsm_lchan *lchan)
 	msg->lchan = lchan;
 	msg->trx = lchan->ts->trx;
 
-	DEBUGP(DRSL, "%s RF Channel Release CMD\n", gsm_lchan_name(lchan));
+	DEBUGP(DRSL, "%s RF Channel Release CMD due error %d\n", gsm_lchan_name(lchan), error);
+
+	if (error) {
+		/*
+		 * the nanoBTS sends RLL release indications after the channel release. This can
+		 * be a problem when we have reassigned the channel to someone else and then can
+		 * not figure out who used this channel.
+		 */
+		rsl_lchan_set_state(lchan, LCHAN_S_REL_ERR);
+		lchan->error_timer.data = lchan;
+		lchan->error_timer.cb = error_timeout_cb;
+		bsc_schedule_timer(&lchan->error_timer,
+				   msg->trx->bts->network->T3111 + 2, 0);
+	}
 
 	/* BTS will respond by RF CHAN REL ACK */
 	return abis_rsl_sendmsg(msg);
@@ -718,14 +759,15 @@ int rsl_establish_request(struct gsm_lchan *lchan, u_int8_t link_id)
    RELEASE CONFIRM, which we in turn use to trigger RSL CHANNEL RELEASE,
    which in turn is acknowledged by RSL CHANNEL RELEASE ACK, which calls
    lchan_free() */
-int rsl_release_request(struct gsm_lchan *lchan, u_int8_t link_id)
+int rsl_release_request(struct gsm_lchan *lchan, u_int8_t link_id, u_int8_t reason)
 {
 
 	struct msgb *msg;
 
 	msg = rsl_rll_simple(RSL_MT_REL_REQ, lchan2chan_nr(lchan),
 			     link_id, 0);
-	msgb_tv_put(msg, RSL_IE_RELEASE_MODE, 0);	/* normal release */
+        /* 0 is normal release, 1 is local end */
+	msgb_tv_put(msg, RSL_IE_RELEASE_MODE, reason);
 
 	/* FIXME: start some timer in case we don't receive a REL ACK ? */
 
@@ -756,6 +798,13 @@ static int rsl_rx_chan_act_ack(struct msgb *msg)
 			gsm_lchans_name(msg->lchan->state));
 	rsl_lchan_set_state(msg->lchan, LCHAN_S_ACTIVE);
 
+	if (msg->lchan->rqd_ref) {
+		rsl_send_imm_assignment(msg->lchan);
+		talloc_free(msg->lchan->rqd_ref);
+		msg->lchan->rqd_ref = NULL;
+		msg->lchan->rqd_ta = 0;
+	}
+
 	dispatch_signal(SS_LCHAN, S_LCHAN_ACTIVATE_ACK, msg->lchan);
 
 	return 0;
@@ -811,7 +860,7 @@ static int rsl_rx_conn_fail(struct msgb *msg)
 	LOGPC(DRSL, LOGL_NOTICE, "\n");
 	/* FIXME: only free it after channel release ACK */
 	counter_inc(msg->lchan->ts->trx->bts->network->stats.chan.rf_fail);
-	return rsl_rf_chan_release(msg->lchan);
+	return rsl_rf_chan_release(msg->lchan, 1);
 }
 
 static void print_meas_rep_uni(struct gsm_meas_rep_unidir *mru,
@@ -876,7 +925,7 @@ static int rsl_rx_meas_res(struct msgb *msg)
 	/* check if this channel is actually active */
 	/* FIXME: maybe this check should be way more generic/centralized */
 	if (msg->lchan->state != LCHAN_S_ACTIVE) {
-		LOGP(DRSL, LOGL_NOTICE, "%s: MEAS RES for inactive channel\n",
+		LOGP(DRSL, LOGL_DEBUG, "%s: MEAS RES for inactive channel\n",
 			gsm_lchan_name(msg->lchan));
 		return 0;
 	}
@@ -983,11 +1032,14 @@ static int abis_rsl_rx_dchan(struct msgb *msg)
 		break;
 	case RSL_MT_RF_CHAN_REL_ACK:
 		DEBUGP(DRSL, "%s RF CHANNEL RELEASE ACK\n", ts_name);
-		if (msg->lchan->state != LCHAN_S_REL_REQ)
+		if (msg->lchan->state != LCHAN_S_REL_REQ && msg->lchan->state != LCHAN_S_REL_ERR)
 			LOGP(DRSL, LOGL_NOTICE, "%s CHAN REL ACK but state %s\n",
 				gsm_lchan_name(msg->lchan),
 				gsm_lchans_name(msg->lchan->state));
-		rsl_lchan_set_state(msg->lchan, LCHAN_S_NONE);
+		bsc_del_timer(&msg->lchan->T3111);
+		/* we have an error timer pending to release that */
+		if (msg->lchan->state != LCHAN_S_REL_ERR)
+			rsl_lchan_set_state(msg->lchan, LCHAN_S_NONE);
 		lchan_free(msg->lchan);
 		break;
 	case RSL_MT_MODE_MODIFY_ACK:
@@ -1079,7 +1131,15 @@ static void t3101_expired(void *data)
 {
 	struct gsm_lchan *lchan = data;
 
-	rsl_rf_chan_release(lchan);
+	rsl_rf_chan_release(lchan, 1);
+}
+
+/* If T3111 expires, we will send the RF Channel Request */
+static void t3111_expired(void *data)
+{
+	struct gsm_lchan *lchan = data;
+
+	rsl_rf_chan_release(lchan, 0);
 }
 
 /* MS has requested a channel on the RACH */
@@ -1088,12 +1148,11 @@ static int rsl_rx_chan_rqd(struct msgb *msg)
 	struct gsm_bts *bts = msg->trx->bts;
 	struct abis_rsl_dchan_hdr *rqd_hdr = msgb_l2(msg);
 	struct gsm48_req_ref *rqd_ref;
-	struct gsm48_imm_ass ia;
 	enum gsm_chan_t lctype;
 	enum gsm_chreq_reason_t chreq_reason;
 	struct gsm_lchan *lchan;
 	u_int8_t rqd_ta;
-	int ret;
+	int is_lu;
 
 	u_int16_t arfcn;
 	u_int8_t ts_number, subch;
@@ -1111,13 +1170,19 @@ static int rsl_rx_chan_rqd(struct msgb *msg)
 
 	/* determine channel type (SDCCH/TCH_F/TCH_H) based on
 	 * request reference RA */
-	lctype = get_ctype_by_chreq(bts, rqd_ref->ra, bts->network->neci);
-	chreq_reason = get_reason_by_chreq(bts, rqd_ref->ra, bts->network->neci);
+	lctype = get_ctype_by_chreq(bts->network, rqd_ref->ra);
+	chreq_reason = get_reason_by_chreq(rqd_ref->ra, bts->network->neci);
 
 	counter_inc(bts->network->stats.chreq.total);
 
+	/*
+	 * We want LOCATION UPDATES to succeed and will assign a TCH
+	 * if we have no SDCCH available.
+	 */
+	is_lu = !!(chreq_reason == GSM_CHREQ_REASON_LOCATION_UPD);
+
 	/* check availability / allocate channel */
-	lchan = lchan_alloc(bts, lctype);
+	lchan = lchan_alloc(bts, lctype, is_lu);
 	if (!lchan) {
 		LOGP(DRSL, LOGL_NOTICE, "BTS %d CHAN RQD: no resources for %s 0x%x\n",
 		     msg->lchan->ts->trx->bts->nr, gsm_lchant_name(lctype), rqd_ref->ra);
@@ -1132,6 +1197,17 @@ static int rsl_rx_chan_rqd(struct msgb *msg)
 		     gsm_lchans_name(lchan->state));
 	rsl_lchan_set_state(lchan, LCHAN_S_ACT_REQ);
 
+	/* save the RACH data as we need it after the CHAN ACT ACK */
+	lchan->rqd_ref = talloc_zero(bts, struct gsm48_req_ref);
+	if (!lchan->rqd_ref) {
+		LOGP(DRSL, LOGL_ERROR, "Failed to allocate gsm48_req_ref.\n");
+		lchan_free(lchan);
+		return -ENOMEM;
+	}
+
+	memcpy(lchan->rqd_ref, rqd_ref, sizeof(*rqd_ref));
+	lchan->rqd_ta = rqd_ta;
+
 	ts_number = lchan->ts->nr;
 	arfcn = lchan->ts->trx->arfcn;
 	subch = lchan->nr;
@@ -1141,8 +1217,25 @@ static int rsl_rx_chan_rqd(struct msgb *msg)
 	lchan->bs_power = 0; /* 0dB reduction, output power = Pn */
 	lchan->rsl_cmode = RSL_CMOD_SPD_SIGN;
 	lchan->tch_mode = GSM48_CMODE_SIGN;
+
+	/* FIXME: Start another timer or assume the BTS sends a ACK/NACK? */
 	rsl_chan_activate_lchan(lchan, 0x00, rqd_ta, 0);
 
+	DEBUGP(DRSL, "%s Activating ARFCN(%u) SS(%u) lctype %s "
+		"r=%s ra=0x%02x\n", gsm_lchan_name(lchan), arfcn, subch,
+		gsm_lchant_name(lchan->type), gsm_chreq_name(chreq_reason),
+		rqd_ref->ra);
+	return 0;
+}
+
+static int rsl_send_imm_assignment(struct gsm_lchan *lchan)
+{
+	struct gsm_bts *bts = lchan->ts->trx->bts;
+	struct gsm48_imm_ass ia;
+	u_int16_t arfcn;
+
+	arfcn = lchan->ts->trx->arfcn;
+
 	/* create IMMEDIATE ASSIGN 04.08 messge */
 	memset(&ia, 0, sizeof(ia));
 	ia.l2_plen = 0x2d;
@@ -1155,24 +1248,17 @@ static int rsl_rx_chan_rqd(struct msgb *msg)
 	ia.chan_desc.h0.arfcn_low = arfcn & 0xff;
 	ia.chan_desc.h0.tsc = bts->tsc;
 	/* use request reference extracted from CHAN_RQD */
-	memcpy(&ia.req_ref, rqd_ref, sizeof(ia.req_ref));
-	ia.timing_advance = rqd_ta;
+	memcpy(&ia.req_ref, lchan->rqd_ref, sizeof(ia.req_ref));
+	ia.timing_advance = lchan->rqd_ta;
 	ia.mob_alloc_len = 0;
 
-	DEBUGP(DRSL, "%s Activating ARFCN(%u) SS(%u) lctype %s "
-		"r=%s ra=0x%02x\n", gsm_lchan_name(lchan), arfcn, subch,
-		gsm_lchant_name(lchan->type), gsm_chreq_name(chreq_reason),
-		rqd_ref->ra);
-
 	/* Start timer T3101 to wait for GSM48_MT_RR_PAG_RESP */
 	lchan->T3101.cb = t3101_expired;
 	lchan->T3101.data = lchan;
 	bsc_schedule_timer(&lchan->T3101, bts->network->T3101, 0);
 
 	/* send IMMEDIATE ASSIGN CMD on RSL to BTS (to send on CCCH to MS) */
-	ret = rsl_imm_assign_cmd(bts, sizeof(ia), (u_int8_t *) &ia);
-
-	return ret;
+	return rsl_imm_assign_cmd(bts, sizeof(ia), (u_int8_t *) &ia);
 }
 
 /* MS has requested a channel on the RACH */
@@ -1252,12 +1338,38 @@ static int rsl_rx_rll_err_ind(struct msgb *msg)
 
 	if (rlm_cause[1] == RLL_CAUSE_T200_EXPIRED) {
 		counter_inc(msg->lchan->ts->trx->bts->network->stats.chan.rll_err);
-		return rsl_rf_chan_release(msg->lchan);
+		return rsl_rf_chan_release(msg->lchan, 1);
 	}
 
 	return 0;
 }
 
+static void rsl_handle_release(struct gsm_lchan *lchan)
+{
+	int sapi;
+	struct gsm_bts *bts;
+
+	/* maybe we have only brought down one RLL */
+	if (lchan->state != LCHAN_S_REL_REQ)
+		return;
+
+	for (sapi = 0; sapi < ARRAY_SIZE(lchan->sapis); ++sapi) {
+		if (lchan->sapis[sapi] == LCHAN_SAPI_UNUSED)
+			continue;
+		LOGP(DRSL, LOGL_NOTICE, "%s waiting for SAPI=%d to be released.\n",
+		     gsm_lchan_name(lchan), sapi);
+		return;
+	}
+			
+
+
+	/* wait a bit to send the RF Channel Release */
+	lchan->T3111.cb = t3111_expired;
+	lchan->T3111.data = lchan;
+	bts = lchan->ts->trx->bts;
+	bsc_schedule_timer(&lchan->T3111, bts->network->T3111, 0);
+}
+
 /*	ESTABLISH INDICATION, LOCATION AREA UPDATE REQUEST
 	0x02, 0x06,
 	0x01, 0x20,
@@ -1309,20 +1421,16 @@ static int abis_rsl_rx_rll(struct msgb *msg)
 		msg->lchan->sapis[rllh->link_id & 0x7] = LCHAN_SAPI_UNUSED;
 		rll_indication(msg->lchan, rllh->link_id,
 				  BSC_RLLR_IND_REL_IND);
-		/* we can now releae the channel on the BTS/Abis side */
-		/* FIXME: officially we need to start T3111 and wait for
-		 * some grace period */
-		rsl_rf_chan_release(msg->lchan);
+		rsl_handle_release(msg->lchan);
+		rsl_lchan_rll_release(msg->lchan, rllh->link_id);
 		break;
 	case RSL_MT_REL_CONF:
 		/* BTS informs us of having received UA from MS,
 		 * in response to DISC that we've sent earlier */
 		DEBUGPC(DRLL, "RELEASE CONFIRMATION\n");
 		msg->lchan->sapis[rllh->link_id & 0x7] = LCHAN_SAPI_UNUSED;
-		/* we can now releae the channel on the BTS/Abis side */
-		/* FIXME: officially we need to start T3111 and wait for
-		 * some grace period */
-		rsl_rf_chan_release(msg->lchan);
+		rsl_handle_release(msg->lchan);
+		rsl_lchan_rll_release(msg->lchan, rllh->link_id);
 		break;
 	case RSL_MT_ERROR_IND:
 		rc = rsl_rx_rll_err_ind(msg);
@@ -1342,31 +1450,11 @@ static u_int8_t ipa_smod_s_for_lchan(struct gsm_lchan *lchan)
 {
 	switch (lchan->tch_mode) {
 	case GSM48_CMODE_SPEECH_V1:
-		switch (lchan->type) {
-		case GSM_LCHAN_TCH_F:
-			return 0x00;
-		case GSM_LCHAN_TCH_H:
-			return 0x03;
-		default:
-			break;
-		}
+		return 0x00;
 	case GSM48_CMODE_SPEECH_EFR:
-		switch (lchan->type) {
-		case GSM_LCHAN_TCH_F:
-			return 0x01;
-		/* there's no half-rate EFR */
-		default:
-			break;
-		}
+		return 0x01;
 	case GSM48_CMODE_SPEECH_AMR:
-		switch (lchan->type) {
-		case GSM_LCHAN_TCH_F:
-			return 0x02;
-		case GSM_LCHAN_TCH_H:
-			return 0x05;
-		default:
-			break;
-		}
+		return 0x02;
 	default:
 		break;
 	}
@@ -1375,44 +1463,6 @@ static u_int8_t ipa_smod_s_for_lchan(struct gsm_lchan *lchan)
 	return 0;
 }
 
-static u_int8_t ipa_rtp_pt_for_lchan(struct gsm_lchan *lchan)
-{
-	switch (lchan->tch_mode) {
-	case GSM48_CMODE_SPEECH_V1:
-		switch (lchan->type) {
-		case GSM_LCHAN_TCH_F:
-			return RTP_PT_GSM_FULL;
-		case GSM_LCHAN_TCH_H:
-			return RTP_PT_GSM_HALF;
-		default:
-			break;
-		}
-	case GSM48_CMODE_SPEECH_EFR:
-		switch (lchan->type) {
-		case GSM_LCHAN_TCH_F:
-			return RTP_PT_GSM_EFR;
-		/* there's no half-rate EFR */
-		default:
-			break;
-		}
-	case GSM48_CMODE_SPEECH_AMR:
-		switch (lchan->type) {
-		case GSM_LCHAN_TCH_F:
-			return RTP_PT_AMR_FULL;
-		case GSM_LCHAN_TCH_H:
-			return RTP_PT_AMR_HALF;
-		default:
-			break;
-		}
-	default:
-		break;
-	}
-	LOGP(DRSL, LOGL_ERROR, "Cannot determine ip.access rtp payload type for "
-		"tch_mode == 0x%02x\n & lchan_type == %d",
-		lchan->tch_mode, lchan->type);
-	return 0;
-}
-
 /* ip.access specific RSL extensions */
 static void ipac_parse_rtp(struct gsm_lchan *lchan, struct tlv_parsed *tv)
 {
@@ -1479,13 +1529,10 @@ int rsl_ipacc_crcx(struct gsm_lchan *lchan)
 
 	/* 0x1- == receive-only, 0x-1 == EFR codec */
 	lchan->abis_ip.speech_mode = 0x10 | ipa_smod_s_for_lchan(lchan);
-	lchan->abis_ip.rtp_payload = ipa_rtp_pt_for_lchan(lchan);
 	msgb_tv_put(msg, RSL_IE_IPAC_SPEECH_MODE, lchan->abis_ip.speech_mode);
-	msgb_tv_put(msg, RSL_IE_IPAC_RTP_PAYLOAD, lchan->abis_ip.rtp_payload);
 
-	DEBUGP(DRSL, "%s IPAC_BIND speech_mode=0x%02x RTP_PAYLOAD=%d\n",
-		gsm_lchan_name(lchan), lchan->abis_ip.speech_mode,
-		lchan->abis_ip.rtp_payload);
+	DEBUGP(DRSL, "%s IPAC_BIND speech_mode=0x%02x\n",
+		gsm_lchan_name(lchan), lchan->abis_ip.speech_mode);
 
 	msg->trx = lchan->ts->trx;
 
@@ -1512,13 +1559,11 @@ int rsl_ipacc_mdcx(struct gsm_lchan *lchan, u_int32_t ip, u_int16_t port,
 
 	/* 0x0- == both directions, 0x-1 == EFR codec */
 	lchan->abis_ip.speech_mode = 0x00 | ipa_smod_s_for_lchan(lchan);
-	lchan->abis_ip.rtp_payload = ipa_rtp_pt_for_lchan(lchan);
 
 	ia.s_addr = htonl(ip);
-	DEBUGP(DRSL, "%s IPAC_MDCX IP=%s PORT=%d RTP_PAYLOAD=%d RTP_PAYLOAD2=%d "
-		"CONN_ID=%d speech_mode=0x%02x\n", gsm_lchan_name(lchan),
-		inet_ntoa(ia), port, lchan->abis_ip.rtp_payload, rtp_payload2,
-		lchan->abis_ip.conn_id, lchan->abis_ip.speech_mode);
+	DEBUGP(DRSL, "%s IPAC_MDCX IP=%s PORT=%d RTP_PAYLOAD2=%d CONN_ID=%d "
+		"speech_mode=0x%02x\n", gsm_lchan_name(lchan), inet_ntoa(ia), port,
+		rtp_payload2, lchan->abis_ip.conn_id, lchan->abis_ip.speech_mode);
 
 	msgb_tv16_put(msg, RSL_IE_IPAC_CONN_ID, lchan->abis_ip.conn_id);
 	msgb_v_put(msg, RSL_IE_IPAC_REMOTE_IP);
@@ -1526,7 +1571,6 @@ int rsl_ipacc_mdcx(struct gsm_lchan *lchan, u_int32_t ip, u_int16_t port,
 	*att_ip = ia.s_addr;
 	msgb_tv16_put(msg, RSL_IE_IPAC_REMOTE_PORT, port);
 	msgb_tv_put(msg, RSL_IE_IPAC_SPEECH_MODE, lchan->abis_ip.speech_mode);
-	msgb_tv_put(msg, RSL_IE_IPAC_RTP_PAYLOAD, lchan->abis_ip.rtp_payload);
 	if (rtp_payload2)
 		msgb_tv_put(msg, RSL_IE_IPAC_RTP_PAYLOAD2, rtp_payload2);
 	

openbsc/src/bs11_config.c

@@ -481,7 +481,7 @@ static int handle_state_resp(enum abis_bs11_phase state)
 		 * argument, so our swload_cbfn can distinguish
 		 * a safety load from a regular software */
 		if (file_is_readable(fname_safety))
-			rc = abis_nm_software_load(g_bts, fname_safety,
+			rc = abis_nm_software_load(g_bts, 0xff, fname_safety,
 						   win_size, param_forced,
 						   swload_cbfn, g_bts);
 		else
@@ -697,7 +697,8 @@ int handle_serial_msg(struct msgb *rx_msg)
 }
 
 int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
-		   struct gsm_nm_state *old_state, struct gsm_nm_state *new_state)
+		   struct gsm_nm_state *old_state, struct gsm_nm_state *new_state,
+		   struct abis_om_obj_inst *obj_ins)
 {
 	return 0;
 }
@@ -870,3 +871,8 @@ int main(int argc, char **argv)
 
 	exit(0);
 }
+
+/* dummy to be able to compile */
+void gsm_net_update_ctype(struct gsm_network *net)
+{
+}

openbsc/src/bsc-nat.cfg

@@ -0,0 +1,25 @@
+!
+! BSC NAT configuration hand edited
+!   !
+password foo
+!
+line vty
+ no login
+!
+nat
+ msc ip 10.0.0.23
+ bsc 0
+   token zecke
+   location_area_code 3
+ bsc 1
+   token roch
+   location_area_code 4
+mgcp
+  local ip 10.0.0.23
+!  bts ip 0.0.0.0
+  bind ip 127.0.0.1
+  bind port 2427
+  bind early 1
+  rtp base 4000
+  number endpoints 31
+  call agent ip 127.0.0.1

openbsc/src/bsc_init.c

@@ -33,6 +33,7 @@
 #include <openbsc/signal.h>
 #include <openbsc/chan_alloc.h>
 #include <osmocore/talloc.h>
+#include <openbsc/ipaccess.h>
 
 /* global pointer to the gsm network data structure */
 extern struct gsm_network *bsc_gsmnet;
@@ -317,14 +318,14 @@ static unsigned char bs11_attr_radio[] =
 static unsigned char nanobts_attr_bts[] = {
 	NM_ATT_INTERF_BOUND, 0x55, 0x5b, 0x61, 0x67, 0x6d, 0x73,
 	/* interference avg. period in numbers of SACCH multifr */
-	NM_ATT_INTAVE_PARAM, 0x06,
+	NM_ATT_INTAVE_PARAM, 0x1f,
 	/* conn fail based on SACCH error rate */
-	NM_ATT_CONN_FAIL_CRIT, 0x00, 0x02, 0x01, 0x10,
-	NM_ATT_T200, 0x1e, 0x24, 0x24, 0xa8, 0x34, 0x21, 0xa8,
-	NM_ATT_MAX_TA, 0x3f,
-	NM_ATT_OVERL_PERIOD, 0x00, 0x01, 10, /* seconds */
-	NM_ATT_CCCH_L_T, 10, /* percent */
-	NM_ATT_CCCH_L_I_P, 1, /* seconds */
+	NM_ATT_CONN_FAIL_CRIT, 0x00, 0x02, 0x01, 0x20,
+	NM_ATT_T200, 0x1e, 0x1e, 0x24, 0xa8, 0x34, 0x21, 0xa8,
+	NM_ATT_MAX_TA, 0x00,
+	NM_ATT_OVERL_PERIOD, 0x00, 0x01, 5, /* seconds */
+	NM_ATT_CCCH_L_T, 32, /* percent */
+	NM_ATT_CCCH_L_I_P, 5, /* seconds */
 	NM_ATT_RACH_B_THRESH, 10, /* busy threshold in - dBm */
 	NM_ATT_LDAVG_SLOTS, 0x03, 0xe8, /* rach load averaging 1000 slots */
 	NM_ATT_BTS_AIR_TIMER, 128, /* miliseconds */
@@ -345,7 +346,7 @@ static unsigned char nanobts_attr_nse[] = {
 				    3,  /* (un)blocking retries */
 				    3,  /* reset timer (Tns-reset) */
 				    3,  /* reset retries */
-				    30,  /* test timer (Tns-test) */
+				    3,  /* test timer (Tns-test) */
 				    3,  /* alive timer (Tns-alive) */
 				    10, /* alive retrires */
 	NM_ATT_IPACC_BSSGP_CFG, 0, 11,
@@ -366,29 +367,27 @@ static unsigned char nanobts_attr_cell[] = {
 	NM_ATT_IPACC_RAC, 0, 1,  1, /* routing area code */
 	NM_ATT_IPACC_GPRS_PAGING_CFG, 0, 2,
 		5,	/* repeat time (50ms) */
-		3,	/* repeat count */
+		1,	/* repeat count */
 	NM_ATT_IPACC_BVCI, 0, 2,  0x03, 0x9d, /* BVCI 925 */
 	NM_ATT_IPACC_RLC_CFG, 0, 9,
-		20, 	/* T3142 */
-		5, 	/* T3169 */
-		5,	/* T3191 */
-		200,	/* T3193 */
-		5,	/* T3195 */
-		10,	/* N3101 */
-		4,	/* N3103 */
-		8,	/* N3105 */
-		15,	/* RLC CV countdown */
-	NM_ATT_IPACC_CODING_SCHEMES, 0, 2,  0x0f, 0x00,	/* CS1..CS4 */
+		0x14, 	/* T3142 */
+		0x05, 	/* T3169 */
+		0x05,	/* T3191 */
+		0x14,	/* T3193 */
+		0x05,	/* T3195 */
+		0x0a,	/* N3101 */
+		0x04,	/* N3103 */
+		0x08,	/* N3105 */
+		0x0f,	/* RLC CV countdown */
+	NM_ATT_IPACC_CODING_SCHEMES, 0, 2,  0x8f, 0xff,	/* CS1..CS4 */
 	NM_ATT_IPACC_RLC_CFG_2, 0, 5,
-		0x00, 250,	/* T downlink TBF extension (0..500) */
-		0x00, 250,	/* T uplink TBF extension (0..500) */
+		0x00, 0x96,	/* T downlink TBF extension (0..500) */
+		0x00, 0x32,	/* T uplink TBF extension (0..500) */
 		2,	/* CS2 */
-#if 0
 	/* EDGE model only, breaks older models.
 	 * Should inquire the BTS capabilities */
 	NM_ATT_IPACC_RLC_CFG_3, 0, 1,
 		2,	/* MCS2 */
-#endif
 };
 
 static unsigned char nanobts_attr_nsvc0[] = {
@@ -401,7 +400,8 @@ static unsigned char nanobts_attr_nsvc0[] = {
 
 /* Callback function to be called whenever we get a GSM 12.21 state change event */
 int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
-		   struct gsm_nm_state *old_state, struct gsm_nm_state *new_state)
+		   struct gsm_nm_state *old_state, struct gsm_nm_state *new_state,
+		   struct abis_om_obj_inst *obj_inst)
 {
 	struct gsm_bts *bts;
 	struct gsm_bts_trx *trx;
@@ -418,9 +418,9 @@ int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
 	switch (obj_class) {
 	case NM_OC_SITE_MANAGER:
 		bts = container_of(obj, struct gsm_bts, site_mgr);
-		if ((new_state->operational == 2 &&
+		if ((new_state->operational == NM_OPSTATE_ENABLED &&
 		     new_state->availability == NM_AVSTATE_OK) ||
-		    (new_state->operational == 1 &&
+		    (new_state->operational == NM_OPSTATE_DISABLED &&
 		     new_state->availability == NM_AVSTATE_OFF_LINE))
 			abis_nm_opstart(bts, obj_class, 0xff, 0xff, 0xff);
 		break;
@@ -440,7 +440,7 @@ int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
 	case NM_OC_CHANNEL:
 		ts = obj;
 		trx = ts->trx;
-		if (new_state->operational == 1 &&
+		if (new_state->operational == NM_OPSTATE_DISABLED &&
 		    new_state->availability == NM_AVSTATE_DEPENDENCY) {
 			patch_nm_tables(trx->bts);
 			enum abis_nm_chan_comb ccomb =
@@ -455,7 +455,7 @@ int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
 		break;
 	case NM_OC_RADIO_CARRIER:
 		trx = obj;
-		if (new_state->operational == 1 &&
+		if (new_state->operational == NM_OPSTATE_DISABLED &&
 		    new_state->availability == NM_AVSTATE_OK)
 			abis_nm_opstart(trx->bts, obj_class, trx->bts->bts_nr,
 					trx->nr, 0xff);
@@ -464,21 +464,19 @@ int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
 		bts = container_of(obj, struct gsm_bts, gprs.nse);
 		if (bts->gprs.mode == BTS_GPRS_NONE)
 			break;
-		if (new_state->availability == 5) {
+		if (new_state->availability == NM_AVSTATE_DEPENDENCY) {
 			abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr,
 						  0xff, 0xff, nanobts_attr_nse,
 						  sizeof(nanobts_attr_nse));
 			abis_nm_opstart(bts, obj_class, bts->bts_nr,
 					0xff, 0xff);
-			abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr,
-					      0xff, 0xff, NM_STATE_UNLOCKED);
 		}
 		break;
 	case NM_OC_GPRS_CELL:
 		bts = container_of(obj, struct gsm_bts, gprs.cell);
 		if (bts->gprs.mode == BTS_GPRS_NONE)
 			break;
-		if (new_state->availability == 5) {
+		if (new_state->availability == NM_AVSTATE_DEPENDENCY) {
 			abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr,
 						  0, 0xff, nanobts_attr_cell,
 						  sizeof(nanobts_attr_cell));
@@ -486,6 +484,8 @@ int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
 					0, 0xff);
 			abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr,
 					      0, 0xff, NM_STATE_UNLOCKED);
+			abis_nm_chg_adm_state(bts, NM_OC_GPRS_NSE, bts->bts_nr,
+					      0xff, 0xff, NM_STATE_UNLOCKED);
 		}
 		break;
 	case NM_OC_GPRS_NSVC:
@@ -493,7 +493,7 @@ int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
 		bts = nsvc->bts;
 		if (bts->gprs.mode == BTS_GPRS_NONE)
 			break;
-	        /* We skip NSVC1 since we only use NSVC0 */
+		/* We skip NSVC1 since we only use NSVC0 */
 		if (nsvc->id == 1)
 			break;
 		if (new_state->availability == NM_AVSTATE_OFF_LINE) {
@@ -564,10 +564,19 @@ static int sw_activ_rep(struct msgb *mb)
 /* Callback function for NACK on the OML NM */
 static int oml_msg_nack(u_int8_t mt)
 {
+	int i;
+
 	if (mt == NM_MT_SET_BTS_ATTR_NACK) {
 		LOGP(DNM, LOGL_FATAL, "Failed to set BTS attributes. That is fatal. "
 				"Was the bts type and frequency properly specified?\n");
 		exit(-1);
+	} else {
+		LOGP(DNM, LOGL_ERROR, "Got a NACK going to drop the OML links.\n");
+		for (i = 0; i < bsc_gsmnet->num_bts; ++i) {
+			struct gsm_bts *bts = gsm_bts_num(bsc_gsmnet, i);
+			if (is_ipaccess_bts(bts))
+				ipaccess_drop_oml(bts);
+		}
 	}
 
 	return 0;
@@ -831,6 +840,16 @@ err_out:
 	return rc;
 }
 
+static void patch_16(uint8_t *data, const uint16_t val)
+{
+	memcpy(data, &val, sizeof(val));
+}
+
+static void patch_32(uint8_t *data, const uint32_t val)
+{
+	memcpy(data, &val, sizeof(val));
+}
+
 /*
  * Patch the various SYSTEM INFORMATION tables to update
  * the LAI
@@ -853,6 +872,22 @@ static void patch_nm_tables(struct gsm_bts *bts)
 	bs11_attr_radio[2] |= arfcn_high;
 	bs11_attr_radio[3] = arfcn_low;
 
+	/* patch the RACH attributes */
+	if (bts->rach_b_thresh != -1) {
+		nanobts_attr_bts[33] = bts->rach_b_thresh & 0xff;
+		bs11_attr_bts[33] = bts->rach_b_thresh & 0xff;
+	}
+
+	if (bts->rach_ldavg_slots != -1) {
+		u_int8_t avg_high = bts->rach_ldavg_slots & 0xff;
+		u_int8_t avg_low = (bts->rach_ldavg_slots >> 8) & 0x0f;
+
+		nanobts_attr_bts[35] = avg_high;
+		nanobts_attr_bts[36] = avg_low;
+		bs11_attr_bts[35] = avg_high;
+		bs11_attr_bts[36] = avg_low;
+	}
+
 	/* patch BSIC */
 	bs11_attr_bts[1] = bts->bsic;
 	nanobts_attr_bts[sizeof(nanobts_attr_bts)-11] = bts->bsic;
@@ -867,18 +902,22 @@ static void patch_nm_tables(struct gsm_bts *bts)
 	/* patch NSEI */
 	nanobts_attr_nse[3] = bts->gprs.nse.nsei >> 8;
 	nanobts_attr_nse[4] = bts->gprs.nse.nsei & 0xff;
+	memcpy(nanobts_attr_nse+8, bts->gprs.nse.timer,
+		ARRAY_SIZE(bts->gprs.nse.timer));
+	memcpy(nanobts_attr_nse+18, bts->gprs.cell.timer,
+		ARRAY_SIZE(bts->gprs.cell.timer));
 
 	/* patch NSVCI */
 	nanobts_attr_nsvc0[3] = bts->gprs.nsvc[0].nsvci >> 8;
 	nanobts_attr_nsvc0[4] = bts->gprs.nsvc[0].nsvci & 0xff;
 
 	/* patch IP address as SGSN IP */
-	*(u_int16_t *)(nanobts_attr_nsvc0+8) =
-				htons(bts->gprs.nsvc[0].remote_port);
-	*(u_int32_t *)(nanobts_attr_nsvc0+10) =
-				htonl(bts->gprs.nsvc[0].remote_ip);
-	*(u_int16_t *)(nanobts_attr_nsvc0+14) =
-				htons(bts->gprs.nsvc[0].local_port);
+	patch_16(nanobts_attr_nsvc0 + 8,
+			htons(bts->gprs.nsvc[0].remote_port));
+	patch_32(nanobts_attr_nsvc0 + 10,
+			htonl(bts->gprs.nsvc[0].remote_ip));
+	patch_16(nanobts_attr_nsvc0 + 14,
+			htons(bts->gprs.nsvc[0].local_port));
 
 	/* patch BVCI */
 	nanobts_attr_cell[12] = bts->gprs.cell.bvci >> 8;
@@ -950,6 +989,8 @@ void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
 		trx->nm_state.availability = 0;
 		trx->bb_transc.nm_state.operational = 0;
 		trx->bb_transc.nm_state.availability = 0;
+
+		abis_nm_clear_queue(trx->bts);
 		break;
 	default:
 		break;
@@ -958,6 +999,8 @@ void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
 
 static int bootstrap_bts(struct gsm_bts *bts)
 {
+	int i, n;
+
 	switch (bts->band) {
 	case GSM_BAND_1800:
 		if (bts->c0->arfcn < 512 || bts->c0->arfcn > 885) {
@@ -994,13 +1037,43 @@ static int bootstrap_bts(struct gsm_bts *bts)
 
 	/* Control Channel Description */
 	bts->si_common.chan_desc.att = 1;
-	bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_1_C;
 	bts->si_common.chan_desc.bs_pa_mfrms = RSL_BS_PA_MFRMS_5;
 	/* T3212 is set from vty/config */
 
+	/* Set ccch config by looking at ts config */
+	for (n=0, i=0; i<8; i++)
+		n += bts->c0->ts[i].pchan == GSM_PCHAN_CCCH ? 1 : 0;
+
+	switch (n) {
+	case 0:
+		bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_1_C;
+		break;
+	case 1:
+		bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_1_NC;
+		break;
+	case 2:
+		bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_2_NC;
+		break;
+	case 3:
+		bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_3_NC;
+		break;
+	case 4:
+		bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_4_NC;
+		break;
+	default:
+		LOGP(DNM, LOGL_ERROR, "Unsupported CCCH timeslot configuration\n");
+		return -EINVAL;
+	}
+
 	/* some defaults for our system information */
-	bts->si_common.cell_options.radio_link_timeout = 2; /* 12 */
-	bts->si_common.cell_options.dtx = 2; /* MS shall not use upplink DTX */
+	bts->si_common.cell_options.radio_link_timeout = 7; /* 12 */
+
+	/* allow/disallow DTXu */
+	if (bts->network->dtx_enabled)
+		bts->si_common.cell_options.dtx = 0;
+	else
+		bts->si_common.cell_options.dtx = 2;
+
 	bts->si_common.cell_options.pwrc = 0; /* PWRC not set */
 
 	bts->si_common.cell_sel_par.acs = 0;

openbsc/src/bsc_msc.c

@@ -0,0 +1,261 @@
+/* Routines to talk to the MSC using the IPA Protocol */
+/*
+ * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2010 by On-Waves
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <openbsc/bsc_msc.h>
+#include <openbsc/debug.h>
+#include <openbsc/ipaccess.h>
+
+#include <osmocore/write_queue.h>
+#include <osmocore/talloc.h>
+
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+static void connection_loss(struct bsc_msc_connection *con)
+{
+	struct bsc_fd *fd;
+
+	fd = &con->write_queue.bfd;
+
+	close(fd->fd);
+	fd->fd = -1;
+	fd->cb = write_queue_bfd_cb;
+	fd->when = 0;
+
+	con->is_connected = 0;
+	con->connection_loss(con);
+}
+
+static void msc_con_timeout(void *_con)
+{
+	struct bsc_msc_connection *con = _con;
+
+	LOGP(DMSC, LOGL_ERROR, "MSC Connection timeout.\n");
+	bsc_msc_lost(con);
+}
+
+/* called in the case of a non blocking connect */
+static int msc_connection_connect(struct bsc_fd *fd, unsigned int what)
+{
+	int rc;
+	int val;
+	struct bsc_msc_connection *con;
+	struct write_queue *queue;
+
+	socklen_t len = sizeof(val);
+
+	if ((what & BSC_FD_WRITE) == 0) {
+		LOGP(DMSC, LOGL_ERROR, "Callback but not writable.\n");
+		return -1;
+	}
+
+	queue = container_of(fd, struct write_queue, bfd);
+	con = container_of(queue, struct bsc_msc_connection, write_queue);
+
+	/* From here on we will either be connected or reconnect */
+	bsc_del_timer(&con->timeout_timer);
+
+	/* check the socket state */
+	rc = getsockopt(fd->fd, SOL_SOCKET, SO_ERROR, &val, &len);
+	if (rc != 0) {
+		LOGP(DMSC, LOGL_ERROR, "getsockopt for the MSC socket failed.\n");
+		goto error;
+	}
+	if (val != 0) {
+		LOGP(DMSC, LOGL_ERROR, "Not connected to the MSC: %d\n", val);
+		goto error;
+	}
+
+
+	/* go to full operation */
+	fd->cb = write_queue_bfd_cb;
+	fd->when = BSC_FD_READ | BSC_FD_EXCEPT;
+
+	con->is_connected = 1;
+	LOGP(DMSC, LOGL_NOTICE, "(Re)Connected to the MSC.\n");
+	if (con->connected)
+		con->connected(con);
+	return 0;
+
+error:
+	bsc_unregister_fd(fd);
+	connection_loss(con);
+	return -1;
+}
+static void setnonblocking(struct bsc_fd *fd)
+{
+	int flags;
+
+	flags = fcntl(fd->fd, F_GETFL);
+	if (flags < 0) {
+		perror("fcntl get failed");
+		close(fd->fd);
+		fd->fd = -1;
+		return;
+	}
+
+	flags |= O_NONBLOCK;
+	flags = fcntl(fd->fd, F_SETFL, flags);
+	if (flags < 0) {
+		perror("fcntl get failed");
+		close(fd->fd);
+		fd->fd = -1;
+		return;
+	}
+}
+
+int bsc_msc_connect(struct bsc_msc_connection *con)
+{
+	struct bsc_fd *fd;
+	struct sockaddr_in sin;
+	int on = 1, ret;
+
+	LOGP(DMSC, LOGL_NOTICE, "Attempting to connect MSC at %s:%d\n", con->ip, con->port);
+
+	con->is_connected = 0;
+
+	fd = &con->write_queue.bfd;
+	fd->fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+	fd->data = NULL;
+	fd->priv_nr = 1;
+
+	if (fd->fd < 0) {
+		perror("Creating TCP socket failed");
+		return fd->fd;
+	}
+
+	/* make it non blocking */
+	setnonblocking(fd);
+
+	/* set the socket priority */
+	ret = setsockopt(fd->fd, IPPROTO_IP, IP_TOS,
+			 &con->prio, sizeof(con->prio));
+	if (ret != 0)
+		LOGP(DMSC, LOGL_ERROR, "Failed to set prio to %d. %s\n",
+		     con->prio, strerror(errno));
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_port = htons(con->port);
+	inet_aton(con->ip, &sin.sin_addr);
+
+	setsockopt(fd->fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+	ret = connect(fd->fd, (struct sockaddr *) &sin, sizeof(sin));
+
+	if (ret == -1 && errno == EINPROGRESS) {
+		LOGP(DMSC, LOGL_ERROR, "MSC Connection in progress\n");
+		fd->when = BSC_FD_WRITE;
+		fd->cb = msc_connection_connect;
+		con->timeout_timer.cb = msc_con_timeout;
+		con->timeout_timer.data = con;
+		bsc_schedule_timer(&con->timeout_timer, 20, 0);
+	} else if (ret < 0) {
+		perror("Connection failed");
+		connection_loss(con);
+		return ret;
+	} else {
+		fd->when = BSC_FD_READ | BSC_FD_EXCEPT;
+		fd->cb = write_queue_bfd_cb;
+		con->is_connected = 1;
+		if (con->connected)
+			con->connected(con);
+	}
+
+	ret = bsc_register_fd(fd);
+	if (ret < 0) {
+		perror("Registering the fd failed");
+		close(fd->fd);
+		return ret;
+	}
+
+	return ret;
+}
+
+
+struct bsc_msc_connection *bsc_msc_create(const char *ip, int port, int prio)
+{
+	struct bsc_msc_connection *con;
+
+	con = talloc_zero(NULL, struct bsc_msc_connection);
+	if (!con) {
+		LOGP(DMSC, LOGL_FATAL, "Failed to create the MSC connection.\n");
+		return NULL;
+	}
+
+	con->ip = ip;
+	con->port = port;
+	con->prio = prio;
+	write_queue_init(&con->write_queue, 100);
+	return con;
+}
+
+void bsc_msc_lost(struct bsc_msc_connection *con)
+{
+	write_queue_clear(&con->write_queue);
+	bsc_del_timer(&con->timeout_timer);
+
+	if (con->write_queue.bfd.fd >= 0)
+		bsc_unregister_fd(&con->write_queue.bfd);
+	connection_loss(con);
+}
+
+static void reconnect_msc(void *_msc)
+{
+	struct bsc_msc_connection *con = _msc;
+
+	LOGP(DMSC, LOGL_NOTICE, "Attempting to reconnect to the MSC.\n");
+	bsc_msc_connect(con);
+}
+
+void bsc_msc_schedule_connect(struct bsc_msc_connection *con)
+{
+	LOGP(DMSC, LOGL_NOTICE, "Attempting to reconnect to the MSC.\n");
+	con->reconnect_timer.cb = reconnect_msc;
+	con->reconnect_timer.data = con;
+	bsc_schedule_timer(&con->reconnect_timer, 5, 0);
+}
+
+struct msgb *bsc_msc_id_get_resp(const char *token)
+{
+	struct msgb *msg;
+
+	if (!token) {
+		LOGP(DMSC, LOGL_ERROR, "No token specified.\n");
+		return NULL;
+	}
+
+	msg = msgb_alloc_headroom(4096, 128, "id resp");
+	if (!msg) {
+		LOGP(DMSC, LOGL_ERROR, "Failed to create the message.\n");
+		return NULL;
+	}
+
+	msg->l2h = msgb_v_put(msg, IPAC_MSGT_ID_RESP);
+	msgb_l16tv_put(msg, strlen(token) + 1,
+			IPAC_IDTAG_UNITNAME, (u_int8_t *) token);
+	return msg;
+}

openbsc/src/bsc_rll.c

@@ -55,7 +55,7 @@ static void complete_rllr(struct bsc_rll_req *rllr, enum bsc_rllr_ind type)
 
 	conn = &rllr->lchan->conn;
 	llist_del(&rllr->list);
-	put_subscr_con(conn);
+	put_subscr_con(conn, 0);
 	rllr->cb(rllr->lchan, rllr->link_id, rllr->data, type);
 	talloc_free(rllr);
 }

openbsc/src/chan_alloc.c

@@ -25,6 +25,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
+#include <time.h>
 
 #include <openbsc/gsm_data.h>
 #include <openbsc/chan_alloc.h>
@@ -33,7 +34,7 @@
 #include <openbsc/debug.h>
 #include <openbsc/signal.h>
 
-static void auto_release_channel(void *_lchan);
+#include <osmocore/talloc.h>
 
 static int ts_is_usable(struct gsm_bts_trx_ts *ts)
 {
@@ -225,7 +226,8 @@ _lc_find_bts(struct gsm_bts *bts, enum gsm_phys_chan_config pchan)
 }
 
 /* Allocate a logical channel */
-struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type)
+struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type,
+			      int allow_bigger)
 {
 	struct gsm_lchan *lchan = NULL;
 	enum gsm_phys_chan_config first, second;
@@ -243,6 +245,19 @@ struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type)
 		lchan = _lc_find_bts(bts, first);
 		if (lchan == NULL)
 			lchan = _lc_find_bts(bts, second);
+
+		/* allow to assign bigger channels */
+		if (allow_bigger) {
+			if (lchan == NULL) {
+				lchan = _lc_find_bts(bts, GSM_PCHAN_TCH_H);
+				type = GSM_LCHAN_TCH_H;
+			}
+
+			if (lchan == NULL) {
+				lchan = _lc_find_bts(bts, GSM_PCHAN_TCH_F);
+				type = GSM_LCHAN_TCH_F;
+			}
+		}
 		break;
 	case GSM_LCHAN_TCH_F:
 		lchan = _lc_find_bts(bts, GSM_PCHAN_TCH_F);
@@ -268,16 +283,16 @@ struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type)
 		/* clear multi rate config */
 		memset(&lchan->mr_conf, 0, sizeof(lchan->mr_conf));
 
+		/* clear any msc reference */
+		lchan->msc_data = NULL;
+
 		/* clear per MSC/BSC data */
 		memset(&lchan->conn, 0, sizeof(lchan->conn));
-
-		/* Configure the time and start it so it will be closed */
 		lchan->conn.lchan = lchan;
 		lchan->conn.bts = lchan->ts->trx->bts;
-		lchan->conn.release_timer.cb = auto_release_channel;
-		lchan->conn.release_timer.data = lchan;
-		bsc_schedule_timer(&lchan->conn.release_timer, LCHAN_RELEASE_TIMEOUT);
 
+		/* set the alloc time */
+		gettimeofday(&lchan->alloc_time, NULL);
 	} else {
 		struct challoc_signal_data sig;
 		sig.bts = bts;
@@ -307,8 +322,6 @@ void lchan_free(struct gsm_lchan *lchan)
 		lchan->conn.use_count = 0;
 	}
 
-	/* stop the timer */
-	bsc_del_timer(&lchan->conn.release_timer);
 	bsc_del_timer(&lchan->T3101);
 
 	/* clear cached measuement reports */
@@ -320,6 +333,11 @@ void lchan_free(struct gsm_lchan *lchan)
 	for (i = 0; i < ARRAY_SIZE(lchan->neigh_meas); i++)
 		lchan->neigh_meas[i].arfcn = 0;
 
+	if (lchan->rqd_ref) {
+		talloc_free(lchan->rqd_ref);
+		lchan->rqd_ref = NULL;
+		lchan->rqd_ta = 0;
+	}
 	lchan->conn.silent_call = 0;
 
 	sig.lchan = lchan;
@@ -338,22 +356,48 @@ void lchan_free(struct gsm_lchan *lchan)
 void lchan_reset(struct gsm_lchan *lchan)
 {
 	bsc_del_timer(&lchan->T3101);
+	bsc_del_timer(&lchan->T3111);
+	bsc_del_timer(&lchan->error_timer);
 
 	lchan->type = GSM_LCHAN_NONE;
 	lchan->state = LCHAN_S_NONE;
 }
 
-
-/* Consider releasing the channel now */
-int lchan_auto_release(struct gsm_lchan *lchan)
+static int _lchan_release_next_sapi(struct gsm_lchan *lchan)
 {
-	if (lchan->conn.use_count > 0) {
+	int sapi;
+
+	for (sapi = 1; sapi < ARRAY_SIZE(lchan->sapis); ++sapi) {
+		u_int8_t link_id;
+		if (lchan->sapis[sapi] == LCHAN_SAPI_UNUSED)
+			continue;
+
+		link_id = sapi;
+		if (lchan->type == GSM_LCHAN_TCH_F || lchan->type == GSM_LCHAN_TCH_H)
+			link_id |= 0x40;
+		rsl_release_request(lchan, link_id, lchan->release_reason);
 		return 0;
 	}
 
+	return 1;
+}
+
+static void _lchan_handle_release(struct gsm_lchan *lchan)
+{
+	/* Ask for SAPI != 0 to be freed first and stop if we need to wait */
+	if (_lchan_release_next_sapi(lchan) == 0)
+		return;
+
 	/* Assume we have GSM04.08 running and send a release */
 	if (lchan->conn.subscr) {
+		++lchan->conn.use_count;
 		gsm48_send_rr_release(lchan);
+		--lchan->conn.use_count;
+
+		/* avoid reentrancy */
+		subscr_put(lchan->conn.subscr);
+		lchan->conn.subscr = NULL;
+		return;
 	}
 
 	/* spoofed? message */
@@ -361,19 +405,44 @@ int lchan_auto_release(struct gsm_lchan *lchan)
 		LOGP(DRLL, LOGL_ERROR, "Channel count is negative: %d\n",
 			lchan->conn.use_count);
 
-	DEBUGP(DRLL, "%s Recycling Channel\n", gsm_lchan_name(lchan));
+	rsl_release_request(lchan, 0, lchan->release_reason);
 	rsl_lchan_set_state(lchan, LCHAN_S_REL_REQ);
-	rsl_release_request(lchan, 0);
-	return 1;
 }
 
-/* Auto release the channel when the use count is zero */
-static void auto_release_channel(void *_lchan)
+/* called from abis rsl */
+int rsl_lchan_rll_release(struct gsm_lchan *lchan, u_int8_t link_id)
 {
-	struct gsm_lchan *lchan = _lchan;
+	if (lchan->state != LCHAN_S_REL_REQ)
+		return -1;
 
-	if (!lchan_auto_release(lchan))
-		bsc_schedule_timer(&lchan->conn.release_timer, LCHAN_RELEASE_TIMEOUT);
+	if ((link_id & 0x7) != 0)
+		_lchan_handle_release(lchan);
+	return 0;
+}
+
+
+/*
+ * Start the channel release procedure now. We will start by shutting
+ * down SAPI!=0, then we will deactivate the SACCH and finish by releasing
+ * the last SAPI at which point the RSL code will send the channel release
+ * for us. We should guard the whole shutdown by T3109 or similiar and then
+ * update the fixme inside gsm_04_08_utils.c
+ * When we request to release the RLL and we don't get an answer within T200
+ * the BTS will send us an Error indication which we will handle by closing
+ * the channel and be done.
+ */
+int _lchan_release(struct gsm_lchan *lchan, u_int8_t release_reason)
+{
+	if (lchan->conn.use_count > 0) {
+		LOGP(DRLL, LOGL_ERROR, "BUG: _lchan_release called without zero use_count.\n");
+		return 0;
+	}
+
+	LOGP(DRLL, LOGL_NOTICE, "%s Recycling Channel.\n", gsm_lchan_name(lchan));
+	rsl_lchan_set_state(lchan, LCHAN_S_REL_REQ);
+	lchan->release_reason = release_reason;
+	_lchan_handle_release(lchan);
+	return 1;
 }
 
 struct gsm_lchan* lchan_find(struct gsm_bts *bts, struct gsm_subscriber *subscr) {

openbsc/src/debug.c

@@ -146,6 +146,11 @@ static const struct log_info_cat default_categories[] = {
 		.description = "Reference Counting",
 		.enabled = 0, .loglevel = LOGL_NOTICE,
 	},
+	[DNAT] = {
+		.name = "DNAT",
+		.description = "BSC MUX/NAT",
+		.enabled = 1, .loglevel = LOGL_NOTICE,
+	},
 };
 
 enum log_ctxt {

openbsc/src/e1_input.c

@@ -303,6 +303,10 @@ int e1inp_ts_config(struct e1inp_ts *ts, struct e1inp_line *line,
 
 	switch (type) {
 	case E1INP_TS_TYPE_SIGN:
+		if (line->driver)
+			ts->sign.delay = line->driver->default_delay;
+		else
+			ts->sign.delay = 100000;
 		INIT_LLIST_HEAD(&ts->sign.sign_links);
 		break;
 	case E1INP_TS_TYPE_TRAU:
@@ -420,7 +424,17 @@ e1inp_sign_link_create(struct e1inp_ts *ts, enum e1inp_sign_type type,
 
 void e1inp_sign_link_destroy(struct e1inp_sign_link *link)
 {
+	struct msgb *msg;
+
 	llist_del(&link->list);
+	while (!llist_empty(&link->tx_list)) {
+		msg = msgb_dequeue(&link->tx_list);
+		msgb_free(msg);
+	}
+
+	if (link->ts->type == E1INP_TS_TYPE_SIGN)
+		bsc_del_timer(&link->ts->sign.tx_timer);
+
 	talloc_free(link);
 }
 

openbsc/src/gsm_04_08.c

@@ -52,6 +52,7 @@
 #include <openbsc/transaction.h>
 #include <openbsc/ussd.h>
 #include <openbsc/silent_call.h>
+#include <osmocore/gsm0480.h>
 
 void *tall_locop_ctx;
 
@@ -104,12 +105,12 @@ static void release_loc_updating_req(struct gsm_subscriber_connection *conn)
 	bsc_del_timer(&conn->loc_operation->updating_timer);
 	talloc_free(conn->loc_operation);
 	conn->loc_operation = 0;
-	put_subscr_con(conn);
+	put_subscr_con(conn, 0);
 }
 
 static void allocate_loc_updating_req(struct gsm_subscriber_connection *conn)
 {
-	use_subscr_con(conn)
+	use_subscr_con(conn);
 	release_loc_updating_req(conn);
 
 	conn->loc_operation = talloc_zero(tall_locop_ctx,
@@ -122,7 +123,6 @@ static int gsm0408_authorize(struct gsm_subscriber_connection *conn, struct msgb
 		int rc;
 
 		db_subscriber_alloc_tmsi(conn->subscr);
-		release_loc_updating_req(conn);
 		rc = gsm0408_loc_upd_acc(msg->lchan, conn->subscr->tmsi);
 		if (msg->lchan->ts->trx->bts->network->send_mm_info) {
 			/* send MM INFO with network name */
@@ -134,9 +134,7 @@ static int gsm0408_authorize(struct gsm_subscriber_connection *conn, struct msgb
 		 * trigger further action like SMS delivery */
 		subscr_update(conn->subscr, msg->trx->bts,
 			      GSM_SUBSCRIBER_UPDATE_ATTACHED);
-
-		/* try to close channel ASAP */
-		lchan_auto_release(conn->lchan);
+		release_loc_updating_req(conn);
 		return rc;
 	}
 
@@ -178,24 +176,24 @@ int gsm0408_loc_upd_rej(struct gsm_lchan *lchan, u_int8_t cause)
 {
 	struct gsm_subscriber_connection *conn;
 	struct gsm_bts *bts = lchan->ts->trx->bts;
-	struct msgb *msg = gsm48_msgb_alloc();
-	struct gsm48_hdr *gh;
+	struct msgb *msg;
+
+	counter_inc(bts->network->stats.loc_upd_resp.reject);
+
+	msg = gsm48_create_loc_upd_rej(cause);
+	if (!msg) {
+		LOGP(DMM, LOGL_ERROR, "Failed to create msg for LOCATION UPDATING REJECT.\n");
+		return -1;
+	}
 	
 	msg->lchan = lchan;
 	conn = &lchan->conn;
 
-	gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
-	gh->proto_discr = GSM48_PDISC_MM;
-	gh->msg_type = GSM48_MT_MM_LOC_UPD_REJECT;
-	gh->data[0] = cause;
-
 	LOGP(DMM, LOGL_INFO, "Subscriber %s: LOCATION UPDATING REJECT "
 	     "LAC=%u BTS=%u\n", conn->subscr ?
 	     			subscr_name(conn->subscr) : "unknown",
 	     lchan->ts->trx->bts->location_area_code, lchan->ts->trx->bts->nr);
 
-	counter_inc(bts->network->stats.loc_upd_resp.reject);
-	
 	return gsm48_sendmsg(msg, NULL);
 }
 
@@ -298,9 +296,8 @@ static void loc_upd_rej_cb(void *data)
 	struct gsm_lchan *lchan = conn->lchan;
 	struct gsm_bts *bts = lchan->ts->trx->bts;
 
-	release_loc_updating_req(conn);
 	gsm0408_loc_upd_rej(lchan, bts->network->reject_cause);
-	lchan_auto_release(lchan);
+	release_loc_updating_req(conn);
 }
 
 static void schedule_reject(struct gsm_subscriber_connection *conn)
@@ -578,19 +575,17 @@ static int gsm48_tx_mm_serv_ack(struct gsm_lchan *lchan)
 static int gsm48_tx_mm_serv_rej(struct gsm_subscriber_connection *conn,
 				enum gsm48_reject_value value)
 {
-	struct msgb *msg = gsm48_msgb_alloc();
-	struct gsm48_hdr *gh;
+	struct msgb *msg;
 
-	gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
+	msg = gsm48_create_mm_serv_rej(value);
+	if (!msg) {
+		LOGP(DMM, LOGL_ERROR, "Failed to allocate CM Service Reject.\n");
+		return -1;
+	}
 
+	DEBUGP(DMM, "-> CM SERVICE Reject cause: %d\n", value);
 	msg->lchan = conn->lchan;
 	use_subscr_con(conn);
-
-	gh->proto_discr = GSM48_PDISC_MM;
-	gh->msg_type = GSM48_MT_MM_CM_SERV_REJ;
-	gh->data[0] = value;
-	DEBUGP(DMM, "-> CM SERVICE Reject cause: %d\n", value);
-
 	return gsm48_sendmsg(msg, NULL);
 }
 
@@ -613,7 +608,7 @@ static int gsm48_rx_mm_serv_req(struct msgb *msg)
 	struct gsm48_hdr *gh = msgb_l3(msg);
 	struct gsm48_service_request *req =
 			(struct gsm48_service_request *)gh->data;
-	/* unfortunately in Phase1 the classmar2 length is variable */
+	/* unfortunately in Phase1 the classmark2 length is variable */
 	u_int8_t classmark2_len = gh->data[1];
 	u_int8_t *classmark2 = gh->data+2;
 	u_int8_t mi_len = *(classmark2 + classmark2_len);
@@ -722,8 +717,6 @@ static int gsm48_rx_mm_imsi_detach_ind(struct msgb *msg)
 	 * imagine an IMSI DETACH happening during an active call! */
 
 	/* subscriber is detached: should we release lchan? */
-	lchan_auto_release(msg->lchan);
-
 	return 0;
 }
 
@@ -785,13 +778,16 @@ static int gsm48_rx_rr_pag_resp(struct msgb *msg)
 {
 	struct gsm_bts *bts = msg->lchan->ts->trx->bts;
 	struct gsm48_hdr *gh = msgb_l3(msg);
+	struct gsm48_pag_resp *resp;
 	u_int8_t *classmark2_lv = gh->data + 1;
 	u_int8_t mi_type;
 	char mi_string[GSM48_MI_SIZE];
 	struct gsm_subscriber *subscr = NULL;
 	int rc = 0;
 
-	gsm48_paging_extract_mi(msg, mi_string, &mi_type);
+	resp = (struct gsm48_pag_resp *) &gh->data[0];
+	gsm48_paging_extract_mi(resp, msgb_l3len(msg) - sizeof(*gh),
+				mi_string, &mi_type);
 	DEBUGP(DRR, "PAGING RESPONSE: mi_type=0x%02x MI(%s)\n",
 		mi_type, mi_string);
 
@@ -2070,7 +2066,6 @@ static int gsm48_cc_rx_release_compl(struct gsm_trans *trans, struct msgb *msg)
 					  MNCC_REL_CNF, &rel);
 			/* FIXME: in case of multiple calls, we can't simply
 			 * hang up here ! */
-			lchan_auto_release(msg->lchan);
 			break;
 		default:
 			rc = mncc_recvmsg(trans->subscr->net, trans,

openbsc/src/gsm_04_08_utils.c

@@ -164,13 +164,46 @@ static const enum gsm_chreq_reason_t reason_by_chreq[] = {
 	[CHREQ_T_RESERVED_IGNORE]	= GSM_CHREQ_REASON_OTHER,
 };
 
-enum gsm_chan_t get_ctype_by_chreq(struct gsm_bts *bts, u_int8_t ra, int neci)
+/* verify that the two tables match */
+static_assert(sizeof(ctype_by_chreq) ==
+	      sizeof(((struct gsm_network *) NULL)->ctype_by_chreq), assert_size);
+
+/*
+ * Update channel types for request based on policy. E.g. in the
+ * case of a TCH/H network/bsc use TCH/H for the emergency calls,
+ * for early assignment assign a SDCCH and some other options.
+ */
+void gsm_net_update_ctype(struct gsm_network *network)
+{
+	/* copy over the data */
+	memcpy(network->ctype_by_chreq, ctype_by_chreq, sizeof(ctype_by_chreq));
+
+	/*
+	 * Use TCH/H for emergency calls when this cell allows TCH/H. Maybe it
+	 * is better to iterate over the BTS/TRX and check if no TCH/F is available
+	 * and then set it to TCH/H.
+	 */
+	if (network->neci)
+		network->ctype_by_chreq[CHREQ_T_EMERG_CALL] = GSM_LCHAN_TCH_H;
+
+	if (network->pag_any_tch) {
+		if (network->neci) {
+			network->ctype_by_chreq[CHREQ_T_PAG_R_ANY_NECI0] = GSM_LCHAN_TCH_H;
+			network->ctype_by_chreq[CHREQ_T_PAG_R_ANY_NECI1] = GSM_LCHAN_TCH_H;
+		} else {
+			network->ctype_by_chreq[CHREQ_T_PAG_R_ANY_NECI0] = GSM_LCHAN_TCH_F;
+			network->ctype_by_chreq[CHREQ_T_PAG_R_ANY_NECI1] = GSM_LCHAN_TCH_F;
+		}
+	}
+}
+
+enum gsm_chan_t get_ctype_by_chreq(struct gsm_network *network, u_int8_t ra)
 {
 	int i;
 	int length;
 	const struct chreq *chreq;
 
-	if (neci) {
+	if (network->neci) {
 		chreq = chreq_type_neci1;
 		length = ARRAY_SIZE(chreq_type_neci1);
 	} else {
@@ -182,13 +215,13 @@ enum gsm_chan_t get_ctype_by_chreq(struct gsm_bts *bts, u_int8_t ra, int neci)
 	for (i = 0; i < length; i++) {
 		const struct chreq *chr = &chreq[i];
 		if ((ra & chr->mask) == chr->val)
-			return ctype_by_chreq[chr->type];
+			return network->ctype_by_chreq[chr->type];
 	}
 	LOGP(DRR, LOGL_ERROR, "Unknown CHANNEL REQUEST RQD 0x%02x\n", ra);
 	return GSM_LCHAN_SDCCH;
 }
 
-enum gsm_chreq_reason_t get_reason_by_chreq(struct gsm_bts *bts, u_int8_t ra, int neci)
+enum gsm_chreq_reason_t get_reason_by_chreq(u_int8_t ra, int neci)
 {
 	int i;
 	int length;
@@ -252,16 +285,30 @@ int send_siemens_mrpci(struct gsm_lchan *lchan,
 	return rsl_siemens_mrpci(lchan, &mrpci);
 }
 
-int gsm48_paging_extract_mi(struct msgb *msg, char *mi_string, u_int8_t *mi_type)
+int gsm48_extract_mi(uint8_t *classmark2_lv, int length, char *mi_string, uint8_t *mi_type)
 {
-	struct gsm48_hdr *gh = msgb_l3(msg);
-	u_int8_t *classmark2_lv = gh->data + 1;
-	u_int8_t *mi_lv = gh->data + 2 + *classmark2_lv;
-	*mi_type = mi_lv[1] & GSM_MI_TYPE_MASK;
+	/* Check the size for the classmark */
+	if (length < 1 + *classmark2_lv)
+		return -1;
 
+	u_int8_t *mi_lv = classmark2_lv + *classmark2_lv + 1;
+	if (length < 2 + *classmark2_lv + mi_lv[0])
+		return -2;
+
+	*mi_type = mi_lv[1] & GSM_MI_TYPE_MASK;
 	return gsm48_mi_to_string(mi_string, GSM48_MI_SIZE, mi_lv+1, *mi_lv);
 }
 
+int gsm48_paging_extract_mi(struct gsm48_pag_resp *resp, int length,
+			    char *mi_string, u_int8_t *mi_type)
+{
+	static const uint32_t classmark_offset =
+		offsetof(struct gsm48_pag_resp, classmark2);
+	u_int8_t *classmark2_lv = (uint8_t *) &resp->classmark2;
+	return gsm48_extract_mi(classmark2_lv, length - classmark_offset,
+				mi_string, mi_type);
+}
+
 int gsm48_handle_paging_resp(struct msgb *msg, struct gsm_subscriber *subscr)
 {
 	struct gsm_bts *bts = msg->lchan->ts->trx->bts;
@@ -288,7 +335,7 @@ int gsm48_handle_paging_resp(struct msgb *msg, struct gsm_subscriber *subscr)
 	sig_data.bts	= msg->lchan->ts->trx->bts;
 	sig_data.lchan	= msg->lchan;
 
-	bts->network->stats.paging.completed++;
+	counter_inc(bts->network->stats.paging.completed);
 
 	dispatch_signal(SS_PAGING, S_PAGING_SUCCEEDED, &sig_data);
 
@@ -582,3 +629,36 @@ int gsm48_parse_meas_rep(struct gsm_meas_rep *rep, struct msgb *msg)
 
 	return 0;
 }
+
+struct msgb *gsm48_create_mm_serv_rej(enum gsm48_reject_value value)
+{
+	struct msgb *msg;
+	struct gsm48_hdr *gh;
+
+	msg = gsm48_msgb_alloc();
+	if (!msg)
+		return NULL;
+
+	gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
+	gh->proto_discr = GSM48_PDISC_MM;
+	gh->msg_type = GSM48_MT_MM_CM_SERV_REJ;
+	gh->data[0] = value;
+
+	return msg;
+}
+
+struct msgb *gsm48_create_loc_upd_rej(uint8_t cause)
+{
+	struct gsm48_hdr *gh;
+	struct msgb *msg;
+
+	msg = gsm48_msgb_alloc();
+	if (!msg)
+		return NULL;
+
+	gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
+	gh->proto_discr = GSM48_PDISC_MM;
+	gh->msg_type = GSM48_MT_MM_LOC_UPD_REJECT;
+	gh->data[0] = cause;
+	return msg;
+}

openbsc/src/gsm_04_11.c

@@ -675,7 +675,7 @@ static int gsm411_rx_rp_ud(struct msgb *msg, struct gsm_trans *trans,
 				     GSM411_RP_CAUSE_INV_MAND_INF);
 		return -EIO;
 	}
-	msg->smsh = tpdu;
+	msg->l4h = tpdu;
 
 	DEBUGP(DSMS, "DST(%u,%s)\n", dst_len, hexdump(dst, dst_len));
 
@@ -757,7 +757,7 @@ static int gsm411_rx_rp_ack(struct msgb *msg, struct gsm_trans *trans,
 	/* release channel if done */
 #warning "BROKEN. The SAPI will be released automatically by the BSC"
 	if (!sms)
-		rsl_release_request(msg->lchan, trans->sms.link_id);
+		rsl_release_request(msg->lchan, trans->sms.link_id, 0);
 
 	return 0;
 }
@@ -833,7 +833,7 @@ static int gsm411_rx_rp_smma(struct msgb *msg, struct gsm_trans *trans,
 	if (sms)
 		gsm411_send_sms_lchan(trans->conn, sms);
 	else
-		rsl_release_request(msg->lchan, trans->sms.link_id);
+		rsl_release_request(msg->lchan, trans->sms.link_id, 0);
 #warning "BROKEN: The SAPI=3 will be released automatically by the BSC"
 
 	return rc;

openbsc/src/gsm_04_80.c

@@ -2,7 +2,7 @@
  * 3GPP TS 04.08 version 7.21.0 Release 1998 / ETSI TS 100 940 V7.21.0 */
 
 /* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
- * (C) 2008, 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2008, 2009, 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
  * (C) 2009 by Mike Haben <michael.haben@btinternet.com>
  *
  * All Rights Reserved
@@ -36,6 +36,7 @@
 #include <osmocore/gsm_utils.h>
 #include <openbsc/gsm_04_08.h>
 #include <openbsc/gsm_04_80.h>
+#include <osmocore/gsm0480.h>
 
 /* Forward declarations */
 static int parse_ussd(u_int8_t *ussd, struct ussd_request *req);
@@ -50,22 +51,22 @@ static int parse_process_uss_req(u_int8_t *uss_req_data, u_int8_t length,
 
 static inline unsigned char *msgb_wrap_with_TL(struct msgb *msgb, u_int8_t tag)
 {
-	msgb->data -= 2;
-	msgb->data[0] = tag;
-	msgb->data[1] = msgb->len;
-	msgb->len += 2;
-	return msgb->data;
+	uint8_t *data = msgb_push(msgb, 2);
+
+	data[0] = tag;
+	data[1] = msgb->len - 2;
+	return data;
 }
 
 static inline unsigned char *msgb_push_TLV1(struct msgb *msgb, u_int8_t tag,
 					    u_int8_t value)
 {
-	msgb->data -= 3;
-	msgb->len += 3;
-	msgb->data[0] = tag;
-	msgb->data[1] = 1;
-	msgb->data[2] = value;
-	return msgb->data;
+	uint8_t *data = msgb_push(msgb, 3);
+
+	data[0] = tag;
+	data[1] = 1;
+	data[2] = value;
+	return data;
 }
 
 
@@ -257,7 +258,6 @@ int gsm0480_send_ussd_response(const struct msgb *in_msg, const char *response_t
 	if (((strlen(response_text) * 7) % 8) != 0)
 		response_len += 1;
 
-	msg->bts_link = in_msg->bts_link;
 	msg->lchan = in_msg->lchan;
 
 	/* First put the payload text into the message */
@@ -299,12 +299,11 @@ int gsm0480_send_ussd_response(const struct msgb *in_msg, const char *response_t
 }
 
 int gsm0480_send_ussd_reject(const struct msgb *in_msg,
-				const struct ussd_request *req)
+			     const struct ussd_request *req)
 {
 	struct msgb *msg = gsm48_msgb_alloc();
 	struct gsm48_hdr *gh;
 
-	msg->bts_link = in_msg->bts_link;
 	msg->lchan = in_msg->lchan;
 
 	/* First insert the problem code */
@@ -328,3 +327,43 @@ int gsm0480_send_ussd_reject(const struct msgb *in_msg,
 
 	return gsm48_sendmsg(msg, NULL);
 }
+
+int gsm0480_send_ussdNotify(struct gsm_lchan *lchan, int level, const char *text)
+{
+	struct gsm48_hdr *gh;
+	struct msgb *msg;
+
+	msg = gsm0480_create_unstructuredSS_Notify(level, text);
+	if (!msg)
+		return -1;
+
+	gsm0480_wrap_invoke(msg, GSM0480_OP_CODE_USS_NOTIFY, 0);
+	gsm0480_wrap_facility(msg);
+
+	msg->lchan = lchan;
+
+	/* And finally pre-pend the L3 header */
+	gh = (struct gsm48_hdr *) msgb_push(msg, sizeof(*gh));
+	gh->proto_discr = GSM48_PDISC_NC_SS;
+	gh->msg_type = GSM0480_MTYPE_REGISTER;
+
+	return gsm48_sendmsg(msg, NULL);
+}
+
+int gsm0480_send_releaseComplete(struct gsm_lchan *lchan)
+{
+	struct gsm48_hdr *gh;
+	struct msgb *msg;
+
+	msg = gsm48_msgb_alloc();
+	if (!msg)
+		return -1;
+
+	msg->lchan = lchan;
+
+	gh = (struct gsm48_hdr *) msgb_push(msg, sizeof(*gh));
+	gh->proto_discr = GSM48_PDISC_NC_SS;
+	gh->msg_type = GSM0480_MTYPE_RELEASE_COMPLETE;
+
+	return gsm48_sendmsg(msg, NULL);
+}

openbsc/src/gsm_data.c

@@ -88,6 +88,7 @@ static const struct value_string lchan_s_names[] = {
 	{ LCHAN_S_ACTIVE,	"ACTIVE" },
 	{ LCHAN_S_INACTIVE,	"INACTIVE" },
 	{ LCHAN_S_REL_REQ,	"RELEASE REQUESTED" },
+	{ LCHAN_S_REL_ERR,	"RELEASE DUE ERROR" },
 	{ 0,			NULL }
 };
 
@@ -171,6 +172,10 @@ struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts)
 	return trx;
 }
 
+static const uint8_t bts_nse_timer_default[] = { 3, 3, 3, 3, 3, 3, 10 };
+static const uint8_t bts_cell_timer_default[] =
+				{ 3, 3, 3, 3, 3, 10, 3, 10, 3, 10, 3 };
+
 struct gsm_bts *gsm_bts_alloc(struct gsm_network *net, enum gsm_bts_type type,
 			      u_int8_t tsc, u_int8_t bsic)
 {
@@ -212,6 +217,10 @@ struct gsm_bts *gsm_bts_alloc(struct gsm_network *net, enum gsm_bts_type type,
 		bts->gprs.nsvc[i].bts = bts;
 		bts->gprs.nsvc[i].id = i;
 	}
+	memcpy(&bts->gprs.nse.timer, bts_nse_timer_default,
+		sizeof(bts->gprs.nse.timer));
+	memcpy(&bts->gprs.cell.timer, bts_cell_timer_default,
+		sizeof(bts->gprs.cell.timer));
 
 	/* create our primary TRX */
 	bts->c0 = gsm_bts_trx_alloc(bts);
@@ -221,6 +230,12 @@ struct gsm_bts *gsm_bts_alloc(struct gsm_network *net, enum gsm_bts_type type,
 	}
 	bts->c0->ts[0].pchan = GSM_PCHAN_CCCH_SDCCH4;
 
+	bts->paging.free_chans_need = -1;
+	bts->rach_b_thresh = -1;
+	bts->rach_ldavg_slots = -1;
+
+	INIT_LLIST_HEAD(&bts->abis_queue);
+
 	llist_add_tail(&bts->list, &net->bts_list);
 
 	return bts;
@@ -287,6 +302,17 @@ struct gsm_network *gsm_network_init(u_int16_t country_code, u_int16_t network_c
 
 	net->mncc_recv = mncc_recv;
 
+	gsm_net_update_ctype(net);
+
+	net->core_country_code = -1;
+	net->core_network_code = -1;
+	net->rtp_base_port = 4000;
+
+	net->msc_ip = talloc_strdup(net, "127.0.0.1");
+	net->msc_port = 5000;
+	net->ping_timeout = 20;
+	net->pong_timeout = 5;
+
 	return net;
 }
 
@@ -440,33 +466,6 @@ const char *gsm_auth_policy_name(enum gsm_auth_policy policy)
 	return get_value_string(auth_policy_names, policy);
 }
 
-/* this should not be here but in gsm_04_08... but that creates
-   in turn a dependency nightmare (abis_nm depending on 04_08, ...) */
-static int gsm48_construct_ra(u_int8_t *buf, const struct gprs_ra_id *raid)
-{
-	u_int16_t mcc = raid->mcc;
-	u_int16_t mnc = raid->mnc;
-
-	buf[0] = ((mcc / 100) % 10) | (((mcc / 10) % 10) << 4);
-	buf[1] = (mcc % 10);
-
-	/* I wonder who came up with the stupidity of encoding the MNC
-	 * differently depending on how many digits its decimal number has! */
-	if (mnc < 100) {
-		buf[1] |= 0xf0;
-		buf[2] = ((mnc / 10) % 10) | ((mnc % 10) << 4);
-	} else {
-		buf[1] |= (mnc % 10) << 4;
-		buf[2] = ((mnc / 100) % 10) | (((mcc / 10) % 10) << 4);
-	}
-
-	*(u_int16_t *)(buf+3) = htons(raid->lac);
-
-	buf[5] = raid->rac;
-
-	return 6;
-}
-
 void gprs_ra_id_by_bts(struct gprs_ra_id *raid, struct gsm_bts *bts)
 {
 	raid->mcc = bts->network->country_code;

openbsc/src/gsm_subscriber_base.c

@@ -31,6 +31,7 @@
 #include <openbsc/gsm_subscriber.h>
 #include <openbsc/paging.h>
 #include <openbsc/debug.h>
+#include <openbsc/chan_alloc.h>
 
 LLIST_HEAD(active_subscribers);
 void *tall_subscr_ctx;
@@ -88,6 +89,7 @@ static int subscr_paging_cb(unsigned int hooknum, unsigned int event,
 	request->cbfn(hooknum, event, msg, data, request->param);
 	subscr->in_callback = 0;
 
+	subscr_put(request->subscr);
 	talloc_free(request);
 	return 0;
 }
@@ -165,7 +167,7 @@ void subscr_get_channel(struct gsm_subscriber *subscr,
 	}
 
 	memset(request, 0, sizeof(*request));
-	request->subscr = subscr;
+	request->subscr = subscr_get(subscr);
 	request->channel_type = type;
 	request->cbfn = cbfn;
 	request->param = param;
@@ -206,9 +208,28 @@ void subscr_put_channel(struct gsm_lchan *lchan)
 	 * will listen to the paging requests before we timeout
 	 */
 
-	put_subscr_con(conn);
+	put_subscr_con(conn, 0);
 
 	if (lchan->conn.subscr && !llist_empty(&lchan->conn.subscr->requests))
 		subscr_send_paging_request(lchan->conn.subscr);
 }
 
+struct gsm_subscriber *subscr_get_or_create(struct gsm_network *net,
+					    const char *imsi)
+{
+	struct gsm_subscriber *subscr;
+
+	llist_for_each_entry(subscr, subscr_bsc_active_subscriber(), entry) {
+		if (strcmp(subscr->imsi, imsi) == 0 && subscr->net == net)
+			return subscr_get(subscr);
+	}
+
+	subscr = subscr_alloc();
+	if (!subscr)
+		return NULL;
+
+	strcpy(subscr->imsi, imsi);
+	subscr->net = net;
+	return subscr;
+}
+

openbsc/src/handover_logic.c

@@ -99,7 +99,7 @@ int bsc_handover_start(struct gsm_lchan *old_lchan, struct gsm_bts *bts)
 
 	counter_inc(bts->network->stats.handover.attempted);
 
-	new_lchan = lchan_alloc(bts, old_lchan->type);
+	new_lchan = lchan_alloc(bts, old_lchan->type, 0);
 	if (!new_lchan) {
 		LOGP(DHO, LOGL_NOTICE, "No free channel\n");
 		counter_inc(bts->network->stats.handover.no_channel);
@@ -231,7 +231,6 @@ static int ho_gsm48_ho_compl(struct gsm_lchan *new_lchan)
 	trans_lchan_change(&ho->old_lchan->conn, &new_lchan->conn);
 
 	rsl_lchan_set_state(ho->old_lchan, LCHAN_S_INACTIVE);
-	lchan_auto_release(ho->old_lchan);
 
 	/* do something to re-route the actual speech frames ! */
 
@@ -259,7 +258,7 @@ static int ho_gsm48_ho_fail(struct gsm_lchan *old_lchan)
 	bsc_del_timer(&ho->T3103);
 	llist_del(&ho->list);
 	conn = &ho->new_lchan->conn;
-	put_subscr_con(conn);
+	put_subscr_con(conn, 0);
 	talloc_free(ho);
 
 	return 0;

openbsc/src/input/ipaccess.c

@@ -265,6 +265,7 @@ static int ipaccess_rcvmsg(struct e1inp_line *line, struct msgb *msg,
 			trx->rsl_link = e1inp_sign_link_create(e1i_ts,
 							E1INP_SIGN_RSL, trx,
 							trx->rsl_tei, 0);
+			trx->rsl_link->ts->sign.delay = 0;
 
 			/* get rid of our old temporary bfd */
 			memcpy(newbfd, bfd, sizeof(*newbfd));
@@ -572,7 +573,7 @@ static int handle_ts1_write(struct bsc_fd *bfd)
 	e1i_ts->sign.tx_timer.data = e1i_ts;
 
 	/* Reducing this might break the nanoBTS 900 init. */
-	bsc_schedule_timer(&e1i_ts->sign.tx_timer, 0, 100000);
+	bsc_schedule_timer(&e1i_ts->sign.tx_timer, 0, e1i_ts->sign.delay);
 
 	return ret;
 }
@@ -606,6 +607,7 @@ static int ipaccess_fd_cb(struct bsc_fd *bfd, unsigned int what)
 struct e1inp_driver ipaccess_driver = {
 	.name = "ip.access",
 	.want_write = ts_want_write,
+	.default_delay = 0,
 };
 
 /* callback of the OML listening filedescriptor */

openbsc/src/input/misdn.c

@@ -235,7 +235,7 @@ static int handle_ts1_write(struct bsc_fd *bfd)
 	/* set tx delay timer for next event */
 	e1i_ts->sign.tx_timer.cb = timeout_ts1_write;
 	e1i_ts->sign.tx_timer.data = e1i_ts;
-	bsc_schedule_timer(&e1i_ts->sign.tx_timer, 0, 50000);
+	bsc_schedule_timer(&e1i_ts->sign.tx_timer, 0, e1i_ts->sign.delay);
 
 	return ret;
 }
@@ -375,6 +375,7 @@ static int activate_bchan(struct e1inp_line *line, int ts, int act)
 struct e1inp_driver misdn_driver = {
 	.name = "mISDNuser",
 	.want_write = ts_want_write,
+	.default_delay = 50000,
 };
 
 static int mi_e1_setup(struct e1inp_line *line, int release_l2)

openbsc/src/ipaccess/ipaccess-config.c

@@ -1,8 +1,8 @@
 /* ip.access nanoBTS configuration tool */
 
 /* (C) 2009 by Harald Welte <laforge@gnumonks.org>
- * (C) 2009 by Holger Hans Peter Freyther
- * (C) 2009 by On Waves
+ * (C) 2009,2010 by Holger Hans Peter Freyther
+ * (C) 2009,2010 by On Waves
  * All Rights Reserved
  *
  * This program is free software; you can redistribute it and/or modify
@@ -59,6 +59,7 @@ static int sw_load_state = 0;
 static int oml_state = 0;
 static int dump_files = 0;
 static char *firmware_analysis = NULL;
+static int found_trx = 0;
 
 struct sw_load {
 	u_int8_t file_id[255];
@@ -91,23 +92,23 @@ static int ipacc_msg_nack(u_int8_t mt)
 	return 0;
 }
 
-static int ipacc_msg_ack(u_int8_t mt, struct gsm_bts *bts)
+static void check_restart_or_exit(struct gsm_bts_trx *trx)
+{
+	if (restart) {
+		abis_nm_ipaccess_restart(trx);
+	} else {
+		exit(0);
+	}
+}
+
+static int ipacc_msg_ack(u_int8_t mt, struct gsm_bts_trx *trx)
 {
 	if (sw_load_state == 1) {
 		fprintf(stderr, "The new software is activaed.\n");
-
-		if (restart) {
-			abis_nm_ipaccess_restart(bts);
-		} else {
-			exit(0);
-		}
+		check_restart_or_exit(trx);
 	} else if (oml_state == 1) {
 		fprintf(stderr, "Set the primary OML IP.\n");
-		if (restart) {
-			abis_nm_ipaccess_restart(bts);
-		} else {
-			exit(0);
-		}
+		check_restart_or_exit(trx);
 	}
 
 	return 0;
@@ -202,7 +203,7 @@ static int nm_sig_cb(unsigned int subsys, unsigned int signal,
 		return ipacc_msg_nack(ipacc_data->msg_type);
 	case S_NM_IPACC_ACK:
 		ipacc_data = signal_data;
-		return ipacc_msg_ack(ipacc_data->msg_type, ipacc_data->bts);
+		return ipacc_msg_ack(ipacc_data->msg_type, ipacc_data->trx);
 	case S_NM_TEST_REP:
 		return test_rep(signal_data);
 	case S_NM_IPACC_RESTART_ACK:
@@ -227,12 +228,12 @@ static int swload_cbfn(unsigned int hook, unsigned int event, struct msgb *_msg,
 		       void *data, void *param)
 {
 	struct msgb *msg;
-	struct gsm_bts *bts;
+	struct gsm_bts_trx *trx;
 
 	if (hook != GSM_HOOK_NM_SWLOAD)
 		return 0;
 
-	bts = (struct gsm_bts *) data;
+	trx = (struct gsm_bts_trx *) data;
 
 	switch (event) {
 	case NM_MT_LOAD_INIT_ACK:
@@ -271,7 +272,7 @@ static int swload_cbfn(unsigned int hook, unsigned int event, struct msgb *_msg,
 		msg->l2h[1] = msgb_l3len(msg) >> 8;
 		msg->l2h[2] = msgb_l3len(msg) & 0xff;
 		printf("Foo l2h: %p l3h: %p... length l2: %u  l3: %u\n", msg->l2h, msg->l3h, msgb_l2len(msg), msgb_l3len(msg));
-		abis_nm_ipaccess_set_nvattr(bts->c0, msg->l2h, msgb_l2len(msg));
+		abis_nm_ipaccess_set_nvattr(trx, msg->l2h, msgb_l2len(msg));
 		msgb_free(msg);
 		break;
 	case NM_MT_LOAD_END_NACK:
@@ -285,7 +286,7 @@ static int swload_cbfn(unsigned int hook, unsigned int event, struct msgb *_msg,
 	case NM_MT_ACTIVATE_SW_ACK:
 		break;
 	case NM_MT_LOAD_SEG_ACK:
-		percent = abis_nm_software_load_status(bts);
+		percent = abis_nm_software_load_status(trx->bts);
 		if (percent > percent_old)
 			printf("Software Download Progress: %d%%\n", percent);
 		percent_old = percent;
@@ -298,13 +299,13 @@ static int swload_cbfn(unsigned int hook, unsigned int event, struct msgb *_msg,
 	return 0;
 }
 
-static void bootstrap_om(struct gsm_bts *bts)
+static void bootstrap_om(struct gsm_bts_trx *trx)
 {
 	int len;
 	static u_int8_t buf[1024];
 	u_int8_t *cur = buf;
 
-	printf("OML link established\n");
+	printf("OML link established using TRX %d\n", trx->nr);
 
 	if (unit_id) {
 		len = strlen(unit_id);
@@ -316,7 +317,7 @@ static void bootstrap_om(struct gsm_bts *bts)
 		memcpy(buf+3, unit_id, len);
 		buf[3+len] = 0;
 		printf("setting Unit ID to '%s'\n", unit_id);
-		abis_nm_ipaccess_set_nvattr(bts->c0, buf, 3+len+1);
+		abis_nm_ipaccess_set_nvattr(trx, buf, 3+len+1);
 	}
 	if (prim_oml_ip) {
 		struct in_addr ia;
@@ -340,7 +341,7 @@ static void bootstrap_om(struct gsm_bts *bts)
 		*cur++ = 0;
 		printf("setting primary OML link IP to '%s'\n", inet_ntoa(ia));
 		oml_state = 1;
-		abis_nm_ipaccess_set_nvattr(bts->c0, buf, 3+len);
+		abis_nm_ipaccess_set_nvattr(trx, buf, 3+len);
 	}
 	if (nv_mask) {
 		len = 4;
@@ -354,12 +355,12 @@ static void bootstrap_om(struct gsm_bts *bts)
 		*cur++ = nv_mask >> 8;
 		printf("setting NV Flags/Mask to 0x%04x/0x%04x\n",
 			nv_flags, nv_mask);
-		abis_nm_ipaccess_set_nvattr(bts->c0, buf, 3+len);
+		abis_nm_ipaccess_set_nvattr(trx, buf, 3+len);
 	}
 
 	if (restart && !prim_oml_ip && !software) {
 		printf("restarting BTS\n");
-		abis_nm_ipaccess_restart(bts);
+		abis_nm_ipaccess_restart(trx);
 	}
 
 }
@@ -370,7 +371,6 @@ void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
 	case EVT_E1_TEI_UP:
 		switch (type) {
 		case E1INP_SIGN_OML:
-			bootstrap_om(trx->bts);
 			break;
 		case E1INP_SIGN_RSL:
 			/* FIXME */
@@ -389,22 +389,29 @@ void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
 }
 
 int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
-		   struct gsm_nm_state *old_state, struct gsm_nm_state *new_state)
+		   struct gsm_nm_state *old_state, struct gsm_nm_state *new_state,
+		   struct abis_om_obj_inst *obj_inst)
 {
-	if (evt == EVT_STATECHG_OPER &&
+	if (obj_class == NM_OC_BASEB_TRANSC) {
+		if (!found_trx && obj_inst->trx_nr != 0xff) {
+			struct gsm_bts_trx *trx = container_of(obj, struct gsm_bts_trx, bb_transc);
+			bootstrap_om(trx);
+			found_trx = 1;
+		}
+	} else if (evt == EVT_STATECHG_OPER &&
 	    obj_class == NM_OC_RADIO_CARRIER &&
 	    new_state->availability == 3) {
 		struct gsm_bts_trx *trx = obj;
 
 		if (net_listen_testnr) {
 			u_int8_t phys_config[] = { 0x02, 0x0a, 0x00, 0x01, 0x02 };
-			abis_nm_perform_test(trx->bts, 2, 0, 0, 0xff,
+			abis_nm_perform_test(trx->bts, 2, 0, trx->nr, 0xff,
 					     net_listen_testnr, 1,
 					     phys_config, sizeof(phys_config));
 		} else if (software) {
 			int rc;
 			printf("Attempting software upload with '%s'\n", software);
-			rc = abis_nm_software_load(trx->bts, software, 19, 0, swload_cbfn, trx->bts);
+			rc = abis_nm_software_load(trx->bts, trx->nr, software, 19, 0, swload_cbfn, trx);
 			if (rc < 0) {
 				fprintf(stderr, "Failed to start software load\n");
 				exit(-3);
@@ -639,6 +646,7 @@ int main(int argc, char **argv)
 			{ "software", 1, 0, 'd' },
 			{ "firmware", 1, 0, 'f' },
 			{ "write-firmware", 0, 0, 'w' },
+			{ 0, 0, 0, 0 },
 		};
 
 		c = getopt_long(argc, argv, "u:o:rn:l:hs:d:f:w", long_options,
@@ -724,6 +732,8 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 	
+	bts->oml_link->ts->sign.delay = 10;
+	bts->c0->rsl_link->ts->sign.delay = 10;
 	while (1) {
 		rc = bsc_select_main(0);
 		if (rc < 0)

openbsc/src/mgcp/mgcp_main.c

@@ -128,6 +128,15 @@ static int mgcp_rsip_cb(struct mgcp_config *cfg)
 	return 0;
 }
 
+static int mgcp_change_cb(struct mgcp_config *cfg, int endpoint, int state)
+{
+	if (state != MGCP_ENDP_MDCX)
+		return 0;
+
+	mgcp_send_dummy(&cfg->endpoints[endpoint]);
+	return 0;
+}
+
 static int read_call_agent(struct bsc_fd *fd, unsigned int what)
 {
 	struct sockaddr_in addr;
@@ -200,6 +209,7 @@ int main(int argc, char** argv)
 
 	/* set some callbacks */
 	cfg->reset_cb = mgcp_rsip_cb;
+	cfg->change_cb = mgcp_change_cb;
 
         /* we need to bind a socket */
         if (rc == 0) {

openbsc/src/mgcp/mgcp_network.c

@@ -23,6 +23,7 @@
  */
 
 #include <string.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include <endian.h>
 #include <errno.h>
@@ -31,7 +32,6 @@
 #include <arpa/inet.h>
 
 #include <osmocore/msgb.h>
-#include <osmocore/talloc.h>
 #include <osmocore/select.h>
 
 #include <openbsc/debug.h>
@@ -73,6 +73,8 @@ enum {
 	PROTO_RTCP,
 };
 
+#define DUMMY_LOAD 0x23
+
 
 static int udp_send(int fd, struct in_addr *addr, int port, char *buf, int len)
 {
@@ -84,44 +86,128 @@ static int udp_send(int fd, struct in_addr *addr, int port, char *buf, int len)
 	return sendto(fd, buf, len, 0, (struct sockaddr *)&out, sizeof(out));
 }
 
-static void patch_payload(int payload, char *data, int len)
+int mgcp_send_dummy(struct mgcp_endpoint *endp)
 {
+	static char buf[] = { DUMMY_LOAD };
+
+	return udp_send(endp->net_end.rtp.fd, &endp->net_end.addr,
+			endp->net_end.rtp_port, buf, 1);
+}
+
+static void patch_and_count(struct mgcp_endpoint *endp, struct mgcp_rtp_state *state,
+			    int payload, struct sockaddr_in *addr, char *data, int len)
+{
+	uint16_t seq;
+	uint32_t timestamp;
 	struct rtp_hdr *rtp_hdr;
 
 	if (len < sizeof(*rtp_hdr))
 		return;
 
+	rtp_hdr = (struct rtp_hdr *) data;
+	seq = ntohs(rtp_hdr->sequence);
+	timestamp = ntohl(rtp_hdr->timestamp);
+
+	if (!state->initialized) {
+		state->seq_no = seq - 1;
+		state->ssrc = state->orig_ssrc = rtp_hdr->ssrc;
+		state->initialized = 1;
+		state->last_timestamp = timestamp;
+	} else if (state->ssrc != rtp_hdr->ssrc) {
+		state->ssrc = rtp_hdr->ssrc;
+		state->seq_offset = (state->seq_no + 1) - seq;
+		state->timestamp_offset = state->last_timestamp - timestamp;
+		state->patch = endp->allow_patch;
+		LOGP(DMGCP, LOGL_NOTICE,
+			"The SSRC changed on 0x%x SSRC: %u offset: %d from %s:%d in %d\n",
+			ENDPOINT_NUMBER(endp), state->ssrc, state->seq_offset,
+			inet_ntoa(addr->sin_addr), ntohs(addr->sin_port), endp->conn_mode);
+	}
+
+	/* apply the offset and store it back to the packet */
+	if (state->patch) {
+		seq += state->seq_offset;
+		rtp_hdr->sequence = htons(seq);
+		rtp_hdr->ssrc = state->orig_ssrc;
+
+		timestamp += state->timestamp_offset;
+		rtp_hdr->timestamp = htonl(timestamp);
+	}
+
+	/* seq changed, now compare if we have lost something */
+	if (state->seq_no + 1u != seq)
+		state->lost_no = abs(seq - (state->seq_no + 1));
+	state->seq_no = seq;
+
+	state->last_timestamp = timestamp;
+
 	if (payload < 0)
 		return;
 
-	rtp_hdr = (struct rtp_hdr *) data;
 	rtp_hdr->payload_type = payload;
 }
 
 /*
- * There is data coming. We will have to figure out if it
- * came from the BTS or the MediaGateway of the MSC. On top
- * of that we need to figure out if it was RTP or RTCP.
- *
- * Currently we do not communicate with the BSC so we have
- * no idea where the BTS is listening for RTP and need to
- * do the classic routing trick. Wait for the first packet
- * from the BTS and then go ahead.
+ * The below code is for dispatching. We have a dedicated port for
+ * the data coming from the net and one to discover the BTS.
  */
-static int rtp_data_cb(struct bsc_fd *fd, unsigned int what)
+static int forward_data(int fd, struct mgcp_rtp_tap *tap, const char *buf, int len)
 {
-	char buf[4096];
-	struct sockaddr_in addr;
-	socklen_t slen = sizeof(addr);
-	struct mgcp_endpoint *endp;
-	struct mgcp_config *cfg;
-	int rc, dest, proto;
+	if (!tap->enabled)
+		return 0;
 
-	endp = (struct mgcp_endpoint *) fd->data;
-	cfg = endp->cfg;
+	return sendto(fd, buf, len, 0,
+		      (struct sockaddr *)&tap->forward, sizeof(tap->forward));
+}
+static int send_to(struct mgcp_endpoint *endp, int dest, int is_rtp,
+		   struct sockaddr_in *addr, char *buf, int rc)
+{
+	struct mgcp_config *cfg = endp->cfg;
+	/* For loop toggle the destination and then dispatch. */
+	if (cfg->audio_loop)
+		dest = !dest;
 
-	rc = recvfrom(fd->fd, &buf, sizeof(buf), 0,
-			    (struct sockaddr *) &addr, &slen);
+	/* Loop based on the conn_mode, maybe undoing the above */
+	if (endp->conn_mode == MGCP_CONN_LOOPBACK)
+		dest = !dest;
+
+	if (dest == DEST_NETWORK) {
+		if (is_rtp) {
+			patch_and_count(endp, &endp->bts_state,
+					endp->net_end.payload_type,
+					addr, buf, rc);
+			forward_data(endp->net_end.rtp.fd,
+				     &endp->taps[MGCP_TAP_NET_OUT], buf, rc);
+			return udp_send(endp->net_end.rtp.fd, &endp->net_end.addr,
+					endp->net_end.rtp_port, buf, rc);
+		} else {
+			return udp_send(endp->net_end.rtcp.fd, &endp->net_end.addr,
+					endp->net_end.rtcp_port, buf, rc);
+		}
+	} else {
+		if (is_rtp) {
+			patch_and_count(endp, &endp->net_state,
+					endp->bts_end.payload_type,
+					addr, buf, rc);
+			forward_data(endp->bts_end.rtp.fd,
+				     &endp->taps[MGCP_TAP_BTS_OUT], buf, rc);
+			return udp_send(endp->bts_end.rtp.fd, &endp->bts_end.addr,
+					endp->bts_end.rtp_port, buf, rc);
+		} else {
+			return udp_send(endp->bts_end.rtcp.fd, &endp->bts_end.addr,
+					endp->bts_end.rtcp_port, buf, rc);
+		}
+	}
+}
+
+static int recevice_from(struct mgcp_endpoint *endp, int fd, struct sockaddr_in *addr,
+			 char *buf, int bufsize)
+{
+	int rc;
+	socklen_t slen = sizeof(*addr);
+
+	rc = recvfrom(fd, buf, bufsize, 0,
+			    (struct sockaddr *) addr, &slen);
 	if (rc < 0) {
 		LOGP(DMGCP, LOGL_ERROR, "Failed to receive message on: 0x%x errno: %d/%s\n",
 			ENDPOINT_NUMBER(endp), errno, strerror(errno));
@@ -129,62 +215,131 @@ static int rtp_data_cb(struct bsc_fd *fd, unsigned int what)
 	}
 
 	/* do not forward aynthing... maybe there is a packet from the bts */
-	if (endp->ci == CI_UNUSED)
+	if (!endp->allocated)
 		return -1;
 
-	/*
-	 * Figure out where to forward it to. This code assumes that we
-	 * have received the Connection Modify and know who is a legitimate
-	 * partner. According to the spec we could attempt to forward even
-	 * after the Create Connection but we will not as we are not really
-	 * able to tell if this is legitimate.
-	 */
 	#warning "Slight spec violation. With connection mode recvonly we should attempt to forward."
-	dest = memcmp(&addr.sin_addr, &endp->remote, sizeof(addr.sin_addr)) == 0 &&
-                    (endp->net_rtp == addr.sin_port || endp->net_rtcp == addr.sin_port)
-			? DEST_BTS : DEST_NETWORK;
-	proto = fd == &endp->local_rtp ? PROTO_RTP : PROTO_RTCP;
+
+	return rc;
+}
+
+static int rtp_data_net(struct bsc_fd *fd, unsigned int what)
+{
+	char buf[4096];
+	struct sockaddr_in addr;
+	struct mgcp_endpoint *endp;
+	int rc, proto;
+
+	endp = (struct mgcp_endpoint *) fd->data;
+
+	rc = recevice_from(endp, fd->fd, &addr, buf, sizeof(buf));
+	if (rc <= 0)
+		return -1;
+
+	if (memcmp(&addr.sin_addr, &endp->net_end.addr, sizeof(addr.sin_addr)) != 0) {
+		LOGP(DMGCP, LOGL_ERROR,
+			"Data from wrong address %s on 0x%x\n",
+			inet_ntoa(addr.sin_addr), ENDPOINT_NUMBER(endp));
+		return -1;
+	}
+
+	if (endp->net_end.rtp_port != addr.sin_port &&
+	    endp->net_end.rtcp_port != addr.sin_port) {
+		LOGP(DMGCP, LOGL_ERROR,
+			"Data from wrong source port %d on 0x%x\n",
+			ntohs(addr.sin_port), ENDPOINT_NUMBER(endp));
+		return -1;
+	}
+
+	/* throw away the dummy message */
+	if (rc == 1 && buf[0] == DUMMY_LOAD) {
+		LOGP(DMGCP, LOGL_NOTICE, "Filtered dummy from network on 0x%x\n",
+			ENDPOINT_NUMBER(endp));
+		return 0;
+	}
+
+	proto = fd == &endp->net_end.rtp ? PROTO_RTP : PROTO_RTCP;
+	endp->net_end.packets += 1;
+
+	forward_data(fd->fd, &endp->taps[MGCP_TAP_NET_IN], buf, rc);
+	return send_to(endp, DEST_BTS, proto == PROTO_RTP, &addr, &buf[0], rc);
+}
+
+static void discover_bts(struct mgcp_endpoint *endp, int proto, struct sockaddr_in *addr)
+{
+	struct mgcp_config *cfg = endp->cfg;
+
+	if (proto == PROTO_RTP && endp->bts_end.rtp_port == 0) {
+		if (!cfg->bts_ip ||
+		    memcmp(&addr->sin_addr,
+			   &cfg->bts_in, sizeof(cfg->bts_in)) == 0 ||
+		    memcmp(&addr->sin_addr,
+			   &endp->bts_end.addr, sizeof(endp->bts_end.addr)) == 0) {
+
+			endp->bts_end.rtp_port = addr->sin_port;
+			endp->bts_end.addr = addr->sin_addr;
+
+			LOGP(DMGCP, LOGL_NOTICE,
+				"Found BTS for endpoint: 0x%x on port: %d/%d of %s\n",
+				ENDPOINT_NUMBER(endp), ntohs(endp->bts_end.rtp_port),
+				ntohs(endp->bts_end.rtcp_port), inet_ntoa(addr->sin_addr));
+		}
+	} else if (proto == PROTO_RTCP && endp->bts_end.rtcp_port == 0) {
+		if (memcmp(&endp->bts_end.addr, &addr->sin_addr,
+				sizeof(endp->bts_end.addr)) == 0) {
+			endp->bts_end.rtcp_port = addr->sin_port;
+		}
+	}
+}
+
+static int rtp_data_bts(struct bsc_fd *fd, unsigned int what)
+{
+	char buf[4096];
+	struct sockaddr_in addr;
+	struct mgcp_endpoint *endp;
+	struct mgcp_config *cfg;
+	int rc, proto;
+
+	endp = (struct mgcp_endpoint *) fd->data;
+	cfg = endp->cfg;
+
+	rc = recevice_from(endp, fd->fd, &addr, buf, sizeof(buf));
+	if (rc <= 0)
+		return -1;
+
+	proto = fd == &endp->bts_end.rtp ? PROTO_RTP : PROTO_RTCP;
 
 	/* We have no idea who called us, maybe it is the BTS. */
-	if (dest == DEST_NETWORK && (endp->bts_rtp == 0 || cfg->forward_ip)) {
-		/* it was the BTS... */
-		if (!cfg->bts_ip
-		    || memcmp(&addr.sin_addr, &cfg->bts_in, sizeof(cfg->bts_in)) == 0
-		    || memcmp(&addr.sin_addr, &endp->bts, sizeof(endp->bts)) == 0) {
-			if (fd == &endp->local_rtp) {
-				endp->bts_rtp = addr.sin_port;
-			} else {
-				endp->bts_rtcp = addr.sin_port;
-			}
+	/* it was the BTS... */
+	discover_bts(endp, proto, &addr);
 
-			endp->bts = addr.sin_addr;
-			LOGP(DMGCP, LOGL_NOTICE, "Found BTS for endpoint: 0x%x on port: %d/%d of %s\n",
-				ENDPOINT_NUMBER(endp), ntohs(endp->bts_rtp), ntohs(endp->bts_rtcp),
-				inet_ntoa(addr.sin_addr));
-		}
+	if (memcmp(&endp->bts_end.addr, &addr.sin_addr, sizeof(addr.sin_addr)) != 0) {
+		LOGP(DMGCP, LOGL_ERROR,
+			"Data from wrong bts %s on 0x%x\n",
+			inet_ntoa(addr.sin_addr), ENDPOINT_NUMBER(endp));
+		return -1;
+	}
+
+	if (endp->bts_end.rtp_port != addr.sin_port &&
+	    endp->bts_end.rtcp_port != addr.sin_port) {
+		LOGP(DMGCP, LOGL_ERROR,
+			"Data from wrong bts source port %d on 0x%x\n",
+			ntohs(addr.sin_port), ENDPOINT_NUMBER(endp));
+		return -1;
+	}
+
+	/* throw away the dummy message */
+	if (rc == 1 && buf[0] == DUMMY_LOAD) {
+		LOGP(DMGCP, LOGL_NOTICE, "Filtered dummy from bts on 0x%x\n",
+			ENDPOINT_NUMBER(endp));
+		return 0;
 	}
 
 	/* do this before the loop handling */
-	if (dest == DEST_NETWORK)
-		++endp->in_bts;
-	else
-		++endp->in_remote;
+	endp->bts_end.packets += 1;
 
-	/* dispatch */
-	if (cfg->audio_loop)
-		dest = !dest;
-
-	if (dest == DEST_NETWORK) {
-		patch_payload(endp->net_payload_type, buf, rc);
-		return udp_send(fd->fd, &endp->remote,
-			     proto == PROTO_RTP ? endp->net_rtp : endp->net_rtcp,
-			     buf, rc);
-	} else {
-		patch_payload(endp->bts_payload_type, buf, rc);
-		return udp_send(fd->fd, &endp->bts,
-			     proto == PROTO_RTP ? endp->bts_rtp : endp->bts_rtcp,
-			     buf, rc);
-	}
+	forward_data(fd->fd, &endp->taps[MGCP_TAP_BTS_IN], buf, rc);
+	return send_to(endp, DEST_NETWORK, proto == PROTO_RTP, &addr, &buf[0], rc);
 }
 
 static int create_bind(const char *source_addr, struct bsc_fd *fd, int port)
@@ -205,62 +360,112 @@ static int create_bind(const char *source_addr, struct bsc_fd *fd, int port)
 	inet_aton(source_addr, &addr.sin_addr);
 
 	if (bind(fd->fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		close(fd->fd);
+		fd->fd = -1;
 		return -1;
 	}
 
 	return 0;
 }
 
-static int bind_rtp(struct mgcp_endpoint *endp)
+static int set_ip_tos(int fd, int tos)
 {
-	struct mgcp_config *cfg = endp->cfg;
+	int ret;
+	ret = setsockopt(fd, IPPROTO_IP, IP_TOS,
+			 &tos, sizeof(tos));
+	return ret != 0;
+}
 
-	if (create_bind(cfg->source_addr, &endp->local_rtp, endp->rtp_port) != 0) {
+static int bind_rtp(struct mgcp_config *cfg, struct mgcp_rtp_end *rtp_end, int endpno)
+{
+	if (create_bind(cfg->source_addr, &rtp_end->rtp, rtp_end->local_port) != 0) {
 		LOGP(DMGCP, LOGL_ERROR, "Failed to create RTP port: %s:%d on 0x%x\n",
-		       cfg->source_addr, endp->rtp_port, ENDPOINT_NUMBER(endp));
+		       cfg->source_addr, rtp_end->local_port, endpno);
 		goto cleanup0;
 	}
 
-	if (create_bind(cfg->source_addr, &endp->local_rtcp, endp->rtp_port + 1) != 0) {
+	if (create_bind(cfg->source_addr, &rtp_end->rtcp, rtp_end->local_port + 1) != 0) {
 		LOGP(DMGCP, LOGL_ERROR, "Failed to create RTCP port: %s:%d on 0x%x\n",
-		       cfg->source_addr, endp->rtp_port + 1, ENDPOINT_NUMBER(endp));
+		       cfg->source_addr, rtp_end->local_port + 1, endpno);
 		goto cleanup1;
 	}
 
-	endp->local_rtp.cb = rtp_data_cb;
-	endp->local_rtp.data = endp;
-	endp->local_rtp.when = BSC_FD_READ;
-	if (bsc_register_fd(&endp->local_rtp) != 0) {
+	set_ip_tos(rtp_end->rtp.fd, cfg->endp_dscp);
+	set_ip_tos(rtp_end->rtcp.fd, cfg->endp_dscp);
+
+	rtp_end->rtp.when = BSC_FD_READ;
+	if (bsc_register_fd(&rtp_end->rtp) != 0) {
 		LOGP(DMGCP, LOGL_ERROR, "Failed to register RTP port %d on 0x%x\n",
-			endp->rtp_port, ENDPOINT_NUMBER(endp));
+			rtp_end->local_port, endpno);
 		goto cleanup2;
 	}
 
-	endp->local_rtcp.cb = rtp_data_cb;
-	endp->local_rtcp.data = endp;
-	endp->local_rtcp.when = BSC_FD_READ;
-	if (bsc_register_fd(&endp->local_rtcp) != 0) {
+	rtp_end->rtcp.when = BSC_FD_READ;
+	if (bsc_register_fd(&rtp_end->rtcp) != 0) {
 		LOGP(DMGCP, LOGL_ERROR, "Failed to register RTCP port %d on 0x%x\n",
-			endp->rtp_port + 1, ENDPOINT_NUMBER(endp));
+			rtp_end->local_port + 1, endpno);
 		goto cleanup3;
 	}
 
 	return 0;
 
 cleanup3:
-	bsc_unregister_fd(&endp->local_rtp);
+	bsc_unregister_fd(&rtp_end->rtp);
 cleanup2:
-	close(endp->local_rtcp.fd);
-	endp->local_rtcp.fd = -1;
+	close(rtp_end->rtcp.fd);
+	rtp_end->rtcp.fd = -1;
 cleanup1:
-	close(endp->local_rtp.fd);
-	endp->local_rtp.fd = -1;
+	close(rtp_end->rtp.fd);
+	rtp_end->rtp.fd = -1;
 cleanup0:
 	return -1;
 }
 
-int mgcp_bind_rtp_port(struct mgcp_endpoint *endp, int rtp_port)
+int mgcp_bind_bts_rtp_port(struct mgcp_endpoint *endp, int rtp_port)
 {
-	endp->rtp_port = rtp_port;
-	return bind_rtp(endp);
+	if (endp->bts_end.rtp.fd != -1 || endp->bts_end.rtcp.fd != -1) {
+		LOGP(DMGCP, LOGL_ERROR, "Previous bts-port was still bound on %d\n",
+			ENDPOINT_NUMBER(endp));
+		mgcp_free_rtp_port(&endp->bts_end);
+	}
+
+	endp->bts_end.local_port = rtp_port;
+	endp->bts_end.rtp.cb = rtp_data_bts;
+	endp->bts_end.rtp.data = endp;
+	endp->bts_end.rtcp.data = endp;
+	endp->bts_end.rtcp.cb = rtp_data_bts;
+	return bind_rtp(endp->cfg, &endp->bts_end, ENDPOINT_NUMBER(endp));
+}
+
+int mgcp_bind_net_rtp_port(struct mgcp_endpoint *endp, int rtp_port)
+{
+	if (endp->net_end.rtp.fd != -1 || endp->net_end.rtcp.fd != -1) {
+		LOGP(DMGCP, LOGL_ERROR, "Previous net-port was still bound on %d\n",
+			ENDPOINT_NUMBER(endp));
+		mgcp_free_rtp_port(&endp->net_end);
+	}
+
+	endp->net_end.local_port = rtp_port;
+	endp->net_end.rtp.cb = rtp_data_net;
+	endp->net_end.rtp.data = endp;
+	endp->net_end.rtcp.data = endp;
+	endp->net_end.rtcp.cb = rtp_data_net;
+	return bind_rtp(endp->cfg, &endp->net_end, ENDPOINT_NUMBER(endp));
+}
+
+int mgcp_free_rtp_port(struct mgcp_rtp_end *end)
+{
+	if (end->rtp.fd != -1) {
+		close(end->rtp.fd);
+		end->rtp.fd = -1;
+		bsc_unregister_fd(&end->rtp);
+	}
+
+	if (end->rtcp.fd != -1) {
+		close(end->rtcp.fd);
+		end->rtcp.fd = -1;
+		bsc_unregister_fd(&end->rtcp);
+	}
+
+	return 0;
 }

openbsc/src/mgcp/mgcp_protocol.c

@@ -38,13 +38,6 @@
 #include <openbsc/mgcp.h>
 #include <openbsc/mgcp_internal.h>
 
-enum mgcp_connection_mode {
-	MGCP_CONN_NONE = 0,
-	MGCP_CONN_RECV_ONLY = 1,
-	MGCP_CONN_SEND_ONLY = 2,
-	MGCP_CONN_RECV_SEND = MGCP_CONN_RECV_ONLY | MGCP_CONN_SEND_ONLY,
-};
-
 /**
  * Macro for tokenizing MGCP messages and SDP in one go.
  *
@@ -79,6 +72,7 @@ enum mgcp_connection_mode {
 		}			    \
 	}
 
+static void mgcp_rtp_end_reset(struct mgcp_rtp_end *end);
 
 struct mgcp_request {
 	char *name;
@@ -95,7 +89,7 @@ static struct msgb *handle_delete_con(struct mgcp_config *cfg, struct msgb *msg)
 static struct msgb *handle_modify_con(struct mgcp_config *cfg, struct msgb *msg);
 static struct msgb *handle_rsip(struct mgcp_config *cfg, struct msgb *msg);
 
-static int generate_call_id(struct mgcp_config *cfg)
+static uint32_t generate_call_id(struct mgcp_config *cfg)
 {
 	int i;
 
@@ -135,7 +129,7 @@ static struct msgb *mgcp_msgb_alloc(void)
 	struct msgb *msg;
 	msg = msgb_alloc_headroom(4096, 128, "MGCP msg");
 	if (!msg)
-	    LOGP(DMGCP, LOGL_ERROR, "Failed to msgb for MGCP data.\n");
+		LOGP(DMGCP, LOGL_ERROR, "Failed to msgb for MGCP data.\n");
 
 	return msg;
 }
@@ -176,13 +170,13 @@ static struct msgb *create_response_with_sdp(struct mgcp_endpoint *endp,
 		addr = endp->cfg->source_addr;
 
 	snprintf(sdp_record, sizeof(sdp_record) - 1,
-			"I: %d\n\n"
+			"I: %u\n\n"
 			"v=0\r\n"
 			"c=IN IP4 %s\r\n"
 			"m=audio %d RTP/AVP %d\r\n"
 			"a=rtpmap:%d %s\r\n",
-			endp->ci, addr, endp->rtp_port,
-			endp->bts_payload_type, endp->bts_payload_type,
+			endp->ci, addr, endp->net_end.local_port,
+			endp->bts_end.payload_type, endp->bts_end.payload_type,
 		        endp->cfg->audio_name);
 	return mgcp_create_response_with_data(200, msg, trans_id, sdp_record);
 }
@@ -330,11 +324,13 @@ static int verify_call_id(const struct mgcp_endpoint *endp,
 }
 
 static int verify_ci(const struct mgcp_endpoint *endp,
-		     const char *ci)
+		     const char *_ci)
 {
-	if (atoi(ci) != endp->ci) {
-		LOGP(DMGCP, LOGL_ERROR, "ConnectionIdentifiers do not match on 0x%x. %d != %s\n",
-			ENDPOINT_NUMBER(endp), endp->ci, ci);
+	uint32_t ci = strtoul(_ci, NULL, 10);
+
+	if (ci != endp->ci) {
+		LOGP(DMGCP, LOGL_ERROR, "ConnectionIdentifiers do not match on 0x%x. %u != %s\n",
+			ENDPOINT_NUMBER(endp), endp->ci, _ci);
 		return -1;
 	}
 
@@ -364,6 +360,8 @@ static int parse_conn_mode(const char* msg, int *conn_mode)
 		*conn_mode = MGCP_CONN_RECV_ONLY;
 	else if (strcmp(msg, "sendrecv") == 0)
 		*conn_mode = MGCP_CONN_RECV_SEND;
+	else if (strcmp(msg, "loopback") == 0)
+		*conn_mode = MGCP_CONN_LOOPBACK;
 	else {
 		LOGP(DMGCP, LOGL_ERROR, "Unknown connection mode: '%s'\n", msg);
 		ret = -1;
@@ -372,6 +370,54 @@ static int parse_conn_mode(const char* msg, int *conn_mode)
 	return ret;
 }
 
+static int allocate_port(struct mgcp_endpoint *endp, struct mgcp_rtp_end *end,
+			 struct mgcp_port_range *range, int for_net)
+{
+	int i;
+
+	if (range->mode == PORT_ALLOC_STATIC) {
+		end->local_port = rtp_calculate_port(ENDPOINT_NUMBER(endp), range->base_port);
+		end->local_alloc = PORT_ALLOC_STATIC;
+		return 0;
+	}
+
+	/* attempt to find a port */
+	for (i = 0; i < 200; ++i) {
+		int rc;
+
+		if (range->last_port >= range->range_end)
+			range->last_port = range->range_start;
+
+		rc = for_net ?
+			mgcp_bind_net_rtp_port(endp, range->last_port) :
+			mgcp_bind_bts_rtp_port(endp, range->last_port);
+
+		range->last_port += 2;
+		if (rc == 0) {
+			end->local_alloc = PORT_ALLOC_DYNAMIC;
+			return 0;
+		}
+
+	}
+
+	LOGP(DMGCP, LOGL_ERROR, "Allocating a RTP/RTCP port failed 200 times 0x%x net: %d\n",
+	     ENDPOINT_NUMBER(endp), for_net);
+	return -1;
+}
+
+static int allocate_ports(struct mgcp_endpoint *endp)
+{
+	if (allocate_port(endp, &endp->net_end, &endp->cfg->net_ports, 1) != 0)
+		return -1;
+
+	if (allocate_port(endp, &endp->bts_end, &endp->cfg->bts_ports, 0) != 0) {
+		mgcp_rtp_end_reset(&endp->net_end);
+		return -1;
+	}
+
+	return 0;
+}
+
 static struct msgb *handle_create_con(struct mgcp_config *cfg, struct msgb *msg)
 {
 	struct mgcp_msg_ptr data_ptrs[6];
@@ -379,16 +425,18 @@ static struct msgb *handle_create_con(struct mgcp_config *cfg, struct msgb *msg)
 	const char *trans_id;
 	struct mgcp_endpoint *endp;
 	int error_code = 500;
-	int port;
 
 	found = mgcp_analyze_header(cfg, msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp);
 	if (found != 0)
 		return create_response(500, "CRCX", trans_id);
 
-	if (endp->ci != CI_UNUSED) {
+	if (endp->allocated) {
 		if (cfg->force_realloc) {
 			LOGP(DMGCP, LOGL_NOTICE, "Endpoint 0x%x already allocated. Forcing realloc.\n",
 			    ENDPOINT_NUMBER(endp));
+			mgcp_free_endp(endp);
+			if (cfg->realloc_cb)
+				cfg->realloc_cb(cfg, ENDPOINT_NUMBER(endp));
 		} else {
 			LOGP(DMGCP, LOGL_ERROR, "Endpoint is already used. 0x%x\n",
 			     ENDPOINT_NUMBER(endp));
@@ -413,6 +461,8 @@ static struct msgb *handle_create_con(struct mgcp_config *cfg, struct msgb *msg)
 		    error_code = 517;
 		    goto error2;
 		}
+
+		endp->orig_mode = endp->conn_mode;
 		break;
 	default:
 		LOGP(DMGCP, LOGL_NOTICE, "Unhandled option: '%c'/%d on 0x%x\n",
@@ -423,16 +473,13 @@ static struct msgb *handle_create_con(struct mgcp_config *cfg, struct msgb *msg)
 	MSG_TOKENIZE_END
 
 	/* initialize */
-	endp->net_rtp = endp->net_rtcp = endp->bts_rtp = endp->bts_rtcp = 0;
+	endp->net_end.rtp_port = endp->net_end.rtcp_port = endp->bts_end.rtp_port = endp->bts_end.rtcp_port = 0;
 
 	/* set to zero until we get the info */
-	memset(&endp->remote, 0, sizeof(endp->remote));
+	memset(&endp->net_end.addr, 0, sizeof(endp->net_end.addr));
 
 	/* bind to the port now */
-	port = rtp_calculate_port(ENDPOINT_NUMBER(endp), cfg->rtp_base_port);
-	if (cfg->early_bind)
-		endp->rtp_port = port;
-	else if (mgcp_bind_rtp_port(endp, port) != 0)
+	if (allocate_ports(endp) != 0)
 		goto error2;
 
 	/* assign a local call identifier or fail */
@@ -440,7 +487,8 @@ static struct msgb *handle_create_con(struct mgcp_config *cfg, struct msgb *msg)
 	if (endp->ci == CI_UNUSED)
 		goto error2;
 
-	endp->bts_payload_type = cfg->audio_payload;
+	endp->allocated = 1;
+	endp->bts_end.payload_type = cfg->audio_payload;
 
 	/* policy CB */
 	if (cfg->policy_cb) {
@@ -461,10 +509,11 @@ static struct msgb *handle_create_con(struct mgcp_config *cfg, struct msgb *msg)
 		}
 	}
 
-	LOGP(DMGCP, LOGL_NOTICE, "Creating endpoint on: 0x%x CI: %u port: %u\n",
-		ENDPOINT_NUMBER(endp), endp->ci, endp->rtp_port);
+	LOGP(DMGCP, LOGL_DEBUG, "Creating endpoint on: 0x%x CI: %u port: %u/%u\n",
+		ENDPOINT_NUMBER(endp), endp->ci,
+		endp->net_end.local_port, endp->bts_end.local_port);
 	if (cfg->change_cb)
-		cfg->change_cb(cfg, ENDPOINT_NUMBER(endp), MGCP_ENDP_CRCX, endp->rtp_port);
+		cfg->change_cb(cfg, ENDPOINT_NUMBER(endp), MGCP_ENDP_CRCX);
 
 	return create_response_with_sdp(endp, "CRCX", trans_id);
 error:
@@ -474,6 +523,7 @@ error:
 	return create_response(error_code, "CRCX", trans_id);
 
 error2:
+	mgcp_free_endp(endp);
 	LOGP(DMGCP, LOGL_NOTICE, "Resource error on 0x%x\n", ENDPOINT_NUMBER(endp));
 	return create_response(error_code, "CRCX", trans_id);
 }
@@ -485,6 +535,7 @@ static struct msgb *handle_modify_con(struct mgcp_config *cfg, struct msgb *msg)
 	const char *trans_id;
 	struct mgcp_endpoint *endp;
 	int error_code = 500;
+	int silent = 0;
 
 	found = mgcp_analyze_header(cfg, msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp);
 	if (found != 0)
@@ -516,6 +567,10 @@ static struct msgb *handle_modify_con(struct mgcp_config *cfg, struct msgb *msg)
 		    error_code = 517;
 		    goto error3;
 		}
+		endp->orig_mode = endp->conn_mode;
+		break;
+	case 'Z':
+		silent = strcmp("noanswer", (const char *)&msg->l3h[line_start + 3]) == 0;
 		break;
 	case '\0':
 		/* SDP file begins */
@@ -533,9 +588,9 @@ static struct msgb *handle_modify_con(struct mgcp_config *cfg, struct msgb *msg)
 		const char *param = (const char *)&msg->l3h[line_start];
 
 		if (sscanf(param, "m=audio %d RTP/AVP %d", &port, &payload) == 2) {
-			endp->net_rtp = htons(port);
-			endp->net_rtcp = htons(port + 1);
-			endp->net_payload_type = payload;
+			endp->net_end.rtp_port = htons(port);
+			endp->net_end.rtcp_port = htons(port + 1);
+			endp->net_end.payload_type = payload;
 		}
 		break;
 	}
@@ -544,7 +599,7 @@ static struct msgb *handle_modify_con(struct mgcp_config *cfg, struct msgb *msg)
 		const char *param = (const char *)&msg->l3h[line_start];
 
 		if (sscanf(param, "c=IN IP4 %15s", ipv4) == 1) {
-			inet_aton(ipv4, &endp->remote);
+			inet_aton(ipv4, &endp->net_end.addr);
 		}
 		break;
 	}
@@ -562,6 +617,8 @@ static struct msgb *handle_modify_con(struct mgcp_config *cfg, struct msgb *msg)
 		case MGCP_POLICY_REJECT:
 			LOGP(DMGCP, LOGL_NOTICE, "MDCX rejected by policy on 0x%x\n",
 			     ENDPOINT_NUMBER(endp));
+			if (silent)
+				goto out_silent;
 			return create_response(500, "MDCX", trans_id);
 			break;
 		case MGCP_POLICY_DEFER:
@@ -575,10 +632,13 @@ static struct msgb *handle_modify_con(struct mgcp_config *cfg, struct msgb *msg)
 	}
 
 	/* modify */
-	LOGP(DMGCP, LOGL_NOTICE, "Modified endpoint on: 0x%x Server: %s:%u\n",
-		ENDPOINT_NUMBER(endp), inet_ntoa(endp->remote), ntohs(endp->net_rtp));
+	LOGP(DMGCP, LOGL_DEBUG, "Modified endpoint on: 0x%x Server: %s:%u\n",
+		ENDPOINT_NUMBER(endp), inet_ntoa(endp->net_end.addr), ntohs(endp->net_end.rtp_port));
 	if (cfg->change_cb)
-		cfg->change_cb(cfg, ENDPOINT_NUMBER(endp), MGCP_ENDP_MDCX, endp->rtp_port);
+		cfg->change_cb(cfg, ENDPOINT_NUMBER(endp), MGCP_ENDP_MDCX);
+	if (silent)
+		goto out_silent;
+
 	return create_response_with_sdp(endp, "MDCX", trans_id);
 
 error:
@@ -589,6 +649,10 @@ error:
 
 error3:
 	return create_response(error_code, "MDCX", trans_id);
+
+
+out_silent:
+	return NULL;
 }
 
 static struct msgb *handle_delete_con(struct mgcp_config *cfg, struct msgb *msg)
@@ -598,12 +662,13 @@ static struct msgb *handle_delete_con(struct mgcp_config *cfg, struct msgb *msg)
 	const char *trans_id;
 	struct mgcp_endpoint *endp;
 	int error_code = 500;
+	int silent = 0;
 
 	found = mgcp_analyze_header(cfg, msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp);
 	if (found != 0)
 		return create_response(error_code, "DLCX", trans_id);
 
-	if (endp->ci == CI_UNUSED) {
+	if (!endp->allocated) {
 		LOGP(DMGCP, LOGL_ERROR, "Endpoint is not used. 0x%x\n", ENDPOINT_NUMBER(endp));
 		return create_response(error_code, "DLCX", trans_id);
 	}
@@ -619,6 +684,9 @@ static struct msgb *handle_delete_con(struct mgcp_config *cfg, struct msgb *msg)
 		if (verify_ci(endp, (const char *)&msg->l3h[line_start + 3]) != 0)
 			goto error3;
 		break;
+	case 'Z':
+		silent = strcmp("noanswer", (const char *)&msg->l3h[line_start + 3]) == 0;
+		break;
 	}
 	default:
 		LOGP(DMGCP, LOGL_NOTICE, "Unhandled option: '%c'/%d on 0x%x\n",
@@ -634,6 +702,8 @@ static struct msgb *handle_delete_con(struct mgcp_config *cfg, struct msgb *msg)
 		case MGCP_POLICY_REJECT:
 			LOGP(DMGCP, LOGL_NOTICE, "DLCX rejected by policy on 0x%x\n",
 			     ENDPOINT_NUMBER(endp));
+			if (silent)
+				goto out_silent;
 			return create_response(500, "DLCX", trans_id);
 			break;
 		case MGCP_POLICY_DEFER:
@@ -647,10 +717,14 @@ static struct msgb *handle_delete_con(struct mgcp_config *cfg, struct msgb *msg)
 	}
 
 	/* free the connection */
+	LOGP(DMGCP, LOGL_DEBUG, "Deleted endpoint on: 0x%x Server: %s:%u\n",
+		ENDPOINT_NUMBER(endp), inet_ntoa(endp->net_end.addr), ntohs(endp->net_end.rtp_port));
 	mgcp_free_endp(endp);
 	if (cfg->change_cb)
-		cfg->change_cb(cfg, ENDPOINT_NUMBER(endp), MGCP_ENDP_DLCX, endp->rtp_port);
+		cfg->change_cb(cfg, ENDPOINT_NUMBER(endp), MGCP_ENDP_DLCX);
 
+	if (silent)
+		goto out_silent;
 	return create_response(250, "DLCX", trans_id);
 
 error:
@@ -661,6 +735,9 @@ error:
 
 error3:
 	return create_response(error_code, "DLCX", trans_id);
+
+out_silent:
+	return NULL;
 }
 
 static struct msgb *handle_rsip(struct mgcp_config *cfg, struct msgb *msg)
@@ -684,11 +761,32 @@ struct mgcp_config *mgcp_config_alloc(void)
 	cfg->source_addr = talloc_strdup(cfg, "0.0.0.0");
 	cfg->audio_name = talloc_strdup(cfg, "GSM-EFR/8000");
 	cfg->audio_payload = 97;
-	cfg->rtp_base_port = RTP_PORT_DEFAULT;
+
+	cfg->bts_ports.base_port = RTP_PORT_DEFAULT;
+	cfg->net_ports.base_port = RTP_PORT_NET_DEFAULT;
 
 	return cfg;
 }
 
+static void mgcp_rtp_end_reset(struct mgcp_rtp_end *end)
+{
+	if (end->local_alloc == PORT_ALLOC_DYNAMIC)
+		mgcp_free_rtp_port(end);
+
+	end->packets = 0;
+	memset(&end->addr, 0, sizeof(end->addr));
+	end->rtp_port = end->rtcp_port = end->local_port = 0;
+	end->payload_type = -1;
+	end->local_alloc = -1;
+}
+
+static void mgcp_rtp_end_init(struct mgcp_rtp_end *end)
+{
+	mgcp_rtp_end_reset(end);
+	end->rtp.fd = -1;
+	end->rtcp.fd = -1;
+}
+
 int mgcp_endpoints_allocate(struct mgcp_config *cfg)
 {
 	int i;
@@ -701,12 +799,10 @@ int mgcp_endpoints_allocate(struct mgcp_config *cfg)
 		return -1;
 
 	for (i = 0; i < cfg->number_endpoints; ++i) {
-		cfg->endpoints[i].local_rtp.fd = -1;
-		cfg->endpoints[i].local_rtcp.fd = -1;
 		cfg->endpoints[i].ci = CI_UNUSED;
 		cfg->endpoints[i].cfg = cfg;
-		cfg->endpoints[i].net_payload_type = -1;
-		cfg->endpoints[i].bts_payload_type = -1;
+		mgcp_rtp_end_init(&cfg->endpoints[i].net_end);
+		mgcp_rtp_end_init(&cfg->endpoints[i].bts_end);
 	}
 
 	return 0;
@@ -715,7 +811,8 @@ int mgcp_endpoints_allocate(struct mgcp_config *cfg)
 void mgcp_free_endp(struct mgcp_endpoint *endp)
 {
 	LOGP(DMGCP, LOGL_DEBUG, "Deleting endpoint on: 0x%x\n", ENDPOINT_NUMBER(endp));
-	endp->ci= CI_UNUSED;
+	endp->ci = CI_UNUSED;
+	endp->allocated = 0;
 
 	if (endp->callid) {
 		talloc_free(endp->callid);
@@ -727,14 +824,14 @@ void mgcp_free_endp(struct mgcp_endpoint *endp)
 		endp->local_options = NULL;
 	}
 
-	if (!endp->cfg->early_bind) {
-		bsc_unregister_fd(&endp->local_rtp);
-		bsc_unregister_fd(&endp->local_rtcp);
-	}
+	mgcp_rtp_end_reset(&endp->bts_end);
+	mgcp_rtp_end_reset(&endp->net_end);
 
-	endp->net_rtp = endp->net_rtcp = endp->bts_rtp = endp->bts_rtcp = 0;
-	endp->net_payload_type = endp->bts_payload_type = -1;
-	endp->in_bts = endp->in_remote = 0;
-	memset(&endp->remote, 0, sizeof(endp->remote));
-	memset(&endp->bts, 0, sizeof(endp->bts));
+	memset(&endp->net_state, 0, sizeof(endp->net_state));
+	memset(&endp->bts_state, 0, sizeof(endp->bts_state));
+
+	endp->conn_mode = endp->orig_mode = MGCP_CONN_NONE;
+	endp->allow_patch = 0;
+
+	memset(&endp->taps, 0, sizeof(endp->taps));
 }

openbsc/src/mgcp/mgcp_vty.c

@@ -55,18 +55,26 @@ static int config_write_mgcp(struct vty *vty)
 		vty_out(vty, "  bts ip %s%s", g_cfg->bts_ip, VTY_NEWLINE);
 	vty_out(vty, "  bind ip %s%s", g_cfg->source_addr, VTY_NEWLINE);
 	vty_out(vty, "  bind port %u%s", g_cfg->source_port, VTY_NEWLINE);
-	vty_out(vty, "  bind early %u%s", !!g_cfg->early_bind, VTY_NEWLINE);
-	vty_out(vty, "  rtp base %u%s", g_cfg->rtp_base_port, VTY_NEWLINE);
+
+	if (g_cfg->bts_ports.mode == PORT_ALLOC_STATIC)
+		vty_out(vty, "  rtp bts-base %u%s", g_cfg->bts_ports.base_port, VTY_NEWLINE);
+	else
+		vty_out(vty, "  rtp bts-range %u %u%s",
+			g_cfg->bts_ports.range_start, g_cfg->bts_ports.range_end, VTY_NEWLINE);
+
+	if (g_cfg->net_ports.mode == PORT_ALLOC_STATIC)
+		vty_out(vty, "  rtp net-base %u%s", g_cfg->net_ports.base_port, VTY_NEWLINE);
+	else
+		vty_out(vty, "  rtp net-range %u %u%s",
+			g_cfg->net_ports.range_start, g_cfg->net_ports.range_end, VTY_NEWLINE);
+
+	vty_out(vty, "  rtp ip-dscp %d%s", g_cfg->endp_dscp, VTY_NEWLINE);
 	if (g_cfg->audio_payload != -1)
 		vty_out(vty, "  sdp audio payload number %d%s", g_cfg->audio_payload, VTY_NEWLINE);
 	if (g_cfg->audio_name)
 		vty_out(vty, "  sdp audio payload name %s%s", g_cfg->audio_name, VTY_NEWLINE);
 	vty_out(vty, "  loop %u%s", !!g_cfg->audio_loop, VTY_NEWLINE);
 	vty_out(vty, "  number endpoints %u%s", g_cfg->number_endpoints - 1, VTY_NEWLINE);
-	if (g_cfg->forward_ip)
-		vty_out(vty, "  forward audio ip %s%s", g_cfg->forward_ip, VTY_NEWLINE);
-	if (g_cfg->forward_port != 0)
-		vty_out(vty, "  forward audio port %d%s", g_cfg->forward_port, VTY_NEWLINE);
 	if (g_cfg->call_agent_addr)
 		vty_out(vty, "  call agent ip %s%s", g_cfg->call_agent_addr, VTY_NEWLINE);
 
@@ -81,11 +89,13 @@ DEFUN(show_mcgp, show_mgcp_cmd, "show mgcp",
 	vty_out(vty, "MGCP is up and running with %u endpoints:%s", g_cfg->number_endpoints - 1, VTY_NEWLINE);
 	for (i = 1; i < g_cfg->number_endpoints; ++i) {
 		struct mgcp_endpoint *endp = &g_cfg->endpoints[i];
-		vty_out(vty, " Endpoint 0x%.2x: CI: %d net: %u/%u bts: %u/%u on %s traffic received bts: %u  remote: %u%s",
+		vty_out(vty, " Endpoint 0x%.2x: CI: %d net: %u/%u bts: %u/%u on %s traffic received bts: %u/%u  remote: %u/%u%s",
 			i, endp->ci,
-			ntohs(endp->net_rtp), ntohs(endp->net_rtcp),
-			ntohs(endp->bts_rtp), ntohs(endp->bts_rtcp),
-			inet_ntoa(endp->bts), endp->in_bts, endp->in_remote,
+			ntohs(endp->net_end.rtp_port), ntohs(endp->net_end.rtcp_port),
+			ntohs(endp->bts_end.rtp_port), ntohs(endp->bts_end.rtcp_port),
+			inet_ntoa(endp->bts_end.addr),
+			endp->bts_end.packets, endp->bts_state.lost_no,
+			endp->net_end.packets, endp->net_state.lost_no,
 			VTY_NEWLINE);
 	}
 
@@ -103,7 +113,7 @@ DEFUN(cfg_mgcp,
 
 DEFUN(cfg_mgcp_local_ip,
       cfg_mgcp_local_ip_cmd,
-      "local ip IP",
+      "local ip A.B.C.D",
       "Set the IP to be used in SDP records")
 {
 	if (g_cfg->local_ip)
@@ -114,7 +124,7 @@ DEFUN(cfg_mgcp_local_ip,
 
 DEFUN(cfg_mgcp_bts_ip,
       cfg_mgcp_bts_ip_cmd,
-      "bts ip IP",
+      "bts ip A.B.C.D",
       "Set the IP of the BTS for RTP forwarding")
 {
 	if (g_cfg->bts_ip)
@@ -126,7 +136,7 @@ DEFUN(cfg_mgcp_bts_ip,
 
 DEFUN(cfg_mgcp_bind_ip,
       cfg_mgcp_bind_ip_cmd,
-      "bind ip IP",
+      "bind ip A.B.C.D",
       "Bind the MGCP to this local addr")
 {
 	if (g_cfg->source_addr)
@@ -141,11 +151,6 @@ DEFUN(cfg_mgcp_bind_port,
       "Bind the MGCP to this port")
 {
 	unsigned int port = atoi(argv[0]);
-	if (port > 65534) {
-		vty_out(vty, "%% wrong bind port '%s'%s", argv[0], VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
 	g_cfg->source_port = port;
 	return CMD_SUCCESS;
 }
@@ -155,42 +160,82 @@ DEFUN(cfg_mgcp_bind_early,
       "bind early (0|1)",
       "Bind all RTP ports early")
 {
-	unsigned int bind = atoi(argv[0]);
-	if (bind != 0 && bind != 1) {
-		vty_out(vty, "%% param must be 0 or 1.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	g_cfg->early_bind = bind == 1;
-	return CMD_SUCCESS;
+	vty_out(vty, "bind early is deprecated, remove it from the config.\n");
+	return CMD_WARNING;
 }
 
-DEFUN(cfg_mgcp_rtp_base_port,
-      cfg_mgcp_rtp_base_port_cmd,
-      "rtp base <0-65534>",
+DEFUN(cfg_mgcp_rtp_bts_base_port,
+      cfg_mgcp_rtp_bts_base_port_cmd,
+      "rtp bts-base <0-65534>",
       "Base port to use")
 {
 	unsigned int port = atoi(argv[0]);
-	if (port > 65534) {
-		vty_out(vty, "%% wrong base port '%s'%s", argv[0], VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	g_cfg->rtp_base_port = port;
+	g_cfg->bts_ports.mode = PORT_ALLOC_STATIC;
+	g_cfg->bts_ports.base_port = port;
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_mgcp_rtp_bts_range,
+      cfg_mgcp_rtp_bts_range_cmd,
+      "rtp bts-range <0-65534> <0-65534>",
+      "Range of ports to allocate for endpoints\n"
+      "Start of the range of ports\n" "End of the range of ports\n")
+{
+	g_cfg->bts_ports.mode = PORT_ALLOC_DYNAMIC;
+	g_cfg->bts_ports.range_start = atoi(argv[0]);
+	g_cfg->bts_ports.range_end = atoi(argv[1]);
+	g_cfg->bts_ports.last_port = g_cfg->bts_ports.range_start;
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_mgcp_rtp_net_range,
+      cfg_mgcp_rtp_net_range_cmd,
+      "rtp net-range <0-65534> <0-65534>",
+      "Range of ports to allocate for endpoints\n"
+      "Start of the range of ports\n" "End of the range of ports\n")
+{
+	g_cfg->net_ports.mode = PORT_ALLOC_DYNAMIC;
+	g_cfg->net_ports.range_start = atoi(argv[0]);
+	g_cfg->net_ports.range_end = atoi(argv[1]);
+	g_cfg->net_ports.last_port = g_cfg->net_ports.range_start;
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_mgcp_rtp_net_base_port,
+      cfg_mgcp_rtp_net_base_port_cmd,
+      "rtp net-base <0-65534>",
+      "Base port to use for network port\n" "Port\n")
+{
+	unsigned int port = atoi(argv[0]);
+	g_cfg->net_ports.mode = PORT_ALLOC_STATIC;
+	g_cfg->net_ports.base_port = port;
+	return CMD_SUCCESS;
+}
+
+ALIAS_DEPRECATED(cfg_mgcp_rtp_bts_base_port, cfg_mgcp_rtp_base_port_cmd,
+      "rtp base <0-65534>", "Base port to use")
+
+DEFUN(cfg_mgcp_rtp_ip_dscp,
+      cfg_mgcp_rtp_ip_dscp_cmd,
+      "rtp ip-dscp <0-255>",
+      "Set the IP_TOS socket attribute on the RTP/RTCP sockets.\n" "The DSCP value.")
+{
+	int dscp = atoi(argv[0]);
+	g_cfg->endp_dscp = dscp;
+	return CMD_SUCCESS;
+}
+
+ALIAS_DEPRECATED(cfg_mgcp_rtp_ip_dscp, cfg_mgcp_rtp_ip_tos_cmd,
+      "rtp ip-tos <0-255>",
+      "Set the IP_TOS socket attribute on the RTP/RTCP sockets.\n" "The DSCP value.")
+
+
 DEFUN(cfg_mgcp_sdp_payload_number,
       cfg_mgcp_sdp_payload_number_cmd,
       "sdp audio payload number <1-255>",
       "Set the audio codec to use")
 {
 	unsigned int payload = atoi(argv[0]);
-	if (payload > 255) {
-		vty_out(vty, "%% wrong payload number '%s'%s", argv[0], VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
 	g_cfg->audio_payload = payload;
 	return CMD_SUCCESS;
 }
@@ -225,26 +270,6 @@ DEFUN(cfg_mgcp_number_endp,
 	return CMD_SUCCESS;
 }
 
-DEFUN(cfg_mgcp_forward_ip,
-      cfg_mgcp_forward_ip_cmd,
-      "forward audio ip IP",
-      "Forward packets from and to the IP. This disables most of the MGCP feature.")
-{
-	if (g_cfg->forward_ip)
-		talloc_free(g_cfg->forward_ip);
-	g_cfg->forward_ip = talloc_strdup(g_cfg, argv[0]);
-	return CMD_SUCCESS;
-}
-
-DEFUN(cfg_mgcp_forward_port,
-      cfg_mgcp_forward_port_cmd,
-      "forward audio port <1-15000>",
-      "Forward packets from and to the port. This disables most of the MGCP feature.")
-{
-	g_cfg->forward_port = atoi(argv[0]);
-	return CMD_SUCCESS;
-}
-
 DEFUN(cfg_mgcp_agent_addr,
       cfg_mgcp_agent_addr_cmd,
       "call agent ip IP",
@@ -256,12 +281,88 @@ DEFUN(cfg_mgcp_agent_addr,
 	return CMD_SUCCESS;
 }
 
+DEFUN(loop_endp,
+      loop_endp_cmd,
+      "loop-endpoint NAME (0|1)",
+      "Loop a given endpoint\n"
+      "The name in hex of the endpoint\n" "Disable the loop\n" "Enable the loop\n")
+{
+	struct mgcp_endpoint *endp;
+
+	int endp_no = strtoul(argv[0], NULL, 16);
+	if (endp_no < 1 || endp_no >= g_cfg->number_endpoints) {
+		vty_out(vty, "Loopback number %s/%d is invalid.%s",
+		argv[0], endp_no, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+
+	endp = &g_cfg->endpoints[endp_no];
+	int loop = atoi(argv[1]);
+
+	if (loop)
+		endp->conn_mode = MGCP_CONN_LOOPBACK;
+	else
+		endp->conn_mode = endp->orig_mode;
+	endp->allow_patch = 1;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(tap_call,
+      tap_call_cmd,
+      "tap-call ENDPOINT (bts-in|bts-out|net-in|net-out) A.B.C.D <0-65534>",
+      "Forward data on endpoint to a different system\n"
+      "The endpoint in hex\n"
+      "Forward the data coming from the bts\n"
+      "Forward the data coming from the bts leaving to the network\n"
+      "Forward the data coming from the net\n"
+      "Forward the data coming from the net leaving to the bts\n"
+      "destination IP of the data\n" "destination port\n")
+{
+	struct mgcp_rtp_tap *tap;
+	struct mgcp_endpoint *endp;
+	int port = 0;
+
+	int endp_no = strtoul(argv[0], NULL, 16);
+	if (endp_no < 1 || endp_no >= g_cfg->number_endpoints) {
+		vty_out(vty, "Endpoint number %s/%d is invalid.%s",
+		argv[0], endp_no, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	endp = &g_cfg->endpoints[endp_no];
+
+	if (strcmp(argv[1], "bts-in") == 0) {
+		port = MGCP_TAP_BTS_IN;
+	} else if (strcmp(argv[1], "bts-out") == 0) {
+		port = MGCP_TAP_BTS_OUT;
+	} else if (strcmp(argv[1], "net-in") == 0) {
+		port = MGCP_TAP_NET_IN;
+	} else if (strcmp(argv[1], "net-out") == 0) {
+		port = MGCP_TAP_NET_OUT;
+	} else {
+		vty_out(vty, "Unknown mode... tricked vty?%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	tap = &endp->taps[port];
+	memset(&tap->forward, 0, sizeof(tap->forward));
+	inet_aton(argv[2], &tap->forward.sin_addr);
+	tap->forward.sin_port = htons(atoi(argv[3]));
+	tap->enabled = 1;
+	return CMD_SUCCESS;
+}
+
 int mgcp_vty_init(void)
 {
 	install_element(VIEW_NODE, &show_mgcp_cmd);
+	install_element(ENABLE_NODE, &loop_endp_cmd);
+	install_element(ENABLE_NODE, &tap_call_cmd);
 
 	install_element(CONFIG_NODE, &cfg_mgcp_cmd);
 	install_node(&mgcp_node, config_write_mgcp);
+
 	install_default(MGCP_NODE);
 	install_element(MGCP_NODE, &cfg_mgcp_local_ip_cmd);
 	install_element(MGCP_NODE, &cfg_mgcp_bts_ip_cmd);
@@ -269,12 +370,16 @@ int mgcp_vty_init(void)
 	install_element(MGCP_NODE, &cfg_mgcp_bind_port_cmd);
 	install_element(MGCP_NODE, &cfg_mgcp_bind_early_cmd);
 	install_element(MGCP_NODE, &cfg_mgcp_rtp_base_port_cmd);
+	install_element(MGCP_NODE, &cfg_mgcp_rtp_bts_base_port_cmd);
+	install_element(MGCP_NODE, &cfg_mgcp_rtp_net_base_port_cmd);
+	install_element(MGCP_NODE, &cfg_mgcp_rtp_bts_range_cmd);
+	install_element(MGCP_NODE, &cfg_mgcp_rtp_net_range_cmd);
+	install_element(MGCP_NODE, &cfg_mgcp_rtp_ip_dscp_cmd);
+	install_element(MGCP_NODE, &cfg_mgcp_rtp_ip_tos_cmd);
 	install_element(MGCP_NODE, &cfg_mgcp_sdp_payload_number_cmd);
 	install_element(MGCP_NODE, &cfg_mgcp_sdp_payload_name_cmd);
 	install_element(MGCP_NODE, &cfg_mgcp_loop_cmd);
 	install_element(MGCP_NODE, &cfg_mgcp_number_endp_cmd);
-	install_element(MGCP_NODE, &cfg_mgcp_forward_ip_cmd);
-	install_element(MGCP_NODE, &cfg_mgcp_forward_port_cmd);
 	install_element(MGCP_NODE, &cfg_mgcp_agent_addr_cmd);
 	return 0;
 }
@@ -304,51 +409,32 @@ int mgcp_parse_config(const char *config_file, struct mgcp_config *cfg)
 		return -1;
 	}
 
-	/*
-	 * This application supports two modes.
-         *    1.) a true MGCP gateway with support for AUEP, CRCX, MDCX, DLCX
-         *    2.) plain forwarding of RTP packets on the endpoints.
-	 * both modes are mutual exclusive
-	 */
-	if (g_cfg->forward_ip) {
-		int port = g_cfg->rtp_base_port;
-		if (g_cfg->forward_port != 0)
-			port = g_cfg->forward_port;
-
-		if (!g_cfg->early_bind) {
-			LOGP(DMGCP, LOGL_NOTICE, "Forwarding requires early bind.\n");
-			return -1;
-		}
-
-		/*
-		 * Store the forward IP and assign a ci. For early bind
-		 * the sockets will be created after this.
-		 */
-		for (i = 1; i < g_cfg->number_endpoints; ++i) {
-			struct mgcp_endpoint *endp = &g_cfg->endpoints[i];
-			inet_aton(g_cfg->forward_ip, &endp->remote);
-			endp->ci = CI_UNUSED + 23;
-			endp->net_rtp = htons(rtp_calculate_port(ENDPOINT_NUMBER(endp), port));
-			endp->net_rtcp = htons(rtp_calculate_port(ENDPOINT_NUMBER(endp), port) + 1);
-		}
-
-		LOGP(DMGCP, LOGL_NOTICE, "Configured for Audio Forwarding.\n");
-	}
-
 	/* early bind */
-	if (g_cfg->early_bind) {
-		for (i = 1; i < g_cfg->number_endpoints; ++i) {
-			struct mgcp_endpoint *endp = &g_cfg->endpoints[i];
-			int rtp_port;
+	for (i = 1; i < g_cfg->number_endpoints; ++i) {
+		struct mgcp_endpoint *endp = &g_cfg->endpoints[i];
+		int rtp_port;
 
-			rtp_port = rtp_calculate_port(ENDPOINT_NUMBER(endp), g_cfg->rtp_base_port);
-			if (mgcp_bind_rtp_port(endp, rtp_port) != 0) {
+		if (g_cfg->bts_ports.mode == PORT_ALLOC_STATIC) {
+			rtp_port = rtp_calculate_port(ENDPOINT_NUMBER(endp),
+						      g_cfg->bts_ports.base_port);
+			if (mgcp_bind_bts_rtp_port(endp, rtp_port) != 0) {
 				LOGP(DMGCP, LOGL_FATAL, "Failed to bind: %d\n", rtp_port);
 				return -1;
 			}
+			endp->bts_end.local_alloc = PORT_ALLOC_STATIC;
+		}
+
+		if (g_cfg->net_ports.mode == PORT_ALLOC_STATIC) {
+			rtp_port = rtp_calculate_port(ENDPOINT_NUMBER(endp),
+						      g_cfg->net_ports.base_port);
+			if (mgcp_bind_net_rtp_port(endp, rtp_port) != 0) {
+				LOGP(DMGCP, LOGL_FATAL, "Failed to bind: %d\n", rtp_port);
+				return -1;
+			}
+			endp->net_end.local_alloc = PORT_ALLOC_STATIC;
 		}
 	}
 
-	return !!g_cfg->forward_ip;
+	return 0;
 }
 

openbsc/src/osmo_bsc_grace.c

@@ -0,0 +1,97 @@
+/*
+ * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2010 by On-Waves
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <openbsc/osmo_bsc_grace.h>
+#include <openbsc/osmo_bsc_rf.h>
+#include <openbsc/gsm_04_80.h>
+#include <openbsc/signal.h>
+
+int bsc_grace_allow_new_connection(struct gsm_network *network)
+{
+	if (!network->rf)
+		return 1;
+	return network->rf->policy == S_RF_ON;
+}
+
+static int handle_sub(struct gsm_lchan *lchan, const char *text)
+{
+	/* only send it to TCH */
+	if (lchan->type != GSM_LCHAN_TCH_H && lchan->type != GSM_LCHAN_TCH_F)
+		return -1;
+
+	/* only when active */
+	if (lchan->state != LCHAN_S_ACTIVE)
+		return -1;
+
+	gsm0480_send_ussdNotify(lchan, 0, text);
+	gsm0480_send_releaseComplete(lchan);
+
+	return 0;
+}
+
+/*
+ * The place to handle the grace mode. Right now we will send
+ * USSD messages to the subscriber, in the future we might start
+ * a timer to have different modes for the grace period.
+ */
+static int handle_grace(struct gsm_network *network)
+{
+	int ts_nr, lchan_nr;
+	struct gsm_bts *bts;
+	struct gsm_bts_trx *trx;
+
+	if (!network->ussd_grace_txt)
+		return 0;
+
+	llist_for_each_entry(bts, &network->bts_list, list) {
+		llist_for_each_entry(trx, &bts->trx_list, list) {
+			for (ts_nr = 0; ts_nr < TRX_NR_TS; ++ts_nr) {
+				struct gsm_bts_trx_ts *ts = &trx->ts[ts_nr];
+				for (lchan_nr = 0; lchan_nr < TS_MAX_LCHAN; ++lchan_nr) {
+					handle_sub(&ts->lchan[lchan_nr],
+						   network->ussd_grace_txt);
+				}
+			}
+		}
+	}
+	return 0;
+}
+
+static int handle_rf_signal(unsigned int subsys, unsigned int signal,
+			    void *handler_data, void *signal_data)
+{
+	struct rf_signal_data *sig;
+
+	if (subsys != SS_RF)
+		return -1;
+
+	sig = signal_data;
+
+	if (signal == S_RF_GRACE)
+		handle_grace(sig->net);
+
+	return 0;
+}
+
+static __attribute__((constructor)) void on_dso_load_grace(void)
+{
+	register_signal_handler(SS_RF, handle_rf_signal, NULL);
+}

openbsc/src/osmo_bsc_rf.c

@@ -0,0 +1,266 @@
+/* RF Ctl handling socket */
+
+/* (C) 2010 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2010 by On-Waves
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <openbsc/osmo_bsc_rf.h>
+#include <openbsc/debug.h>
+#include <openbsc/gsm_data.h>
+#include <openbsc/signal.h>
+
+#include <osmocore/talloc.h>
+#include <osmocore/protocol/gsm_12_21.h>
+
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <errno.h>
+#include <unistd.h>
+
+#define RF_CMD_QUERY '?'
+#define RF_CMD_OFF   '0'
+#define RF_CMD_ON    '1'
+#define RF_CMD_GRACE 'g'
+
+static int lock_each_trx(struct gsm_network *net, int lock)
+{
+	struct gsm_bts *bts;
+
+	llist_for_each_entry(bts, &net->bts_list, list) {
+		struct gsm_bts_trx *trx;
+		llist_for_each_entry(trx, &bts->trx_list, list) {
+			gsm_trx_lock_rf(trx, lock);
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * Send a '1' when one TRX is online, otherwise send 0
+ */
+static void handle_query(struct osmo_bsc_rf_conn *conn)
+{
+	struct msgb *msg;
+	struct gsm_bts *bts;
+	char send = RF_CMD_OFF;
+
+	llist_for_each_entry(bts, &conn->rf->gsm_network->bts_list, list) {
+		struct gsm_bts_trx *trx;
+		llist_for_each_entry(trx, &bts->trx_list, list) {
+			if (trx->nm_state.availability == NM_AVSTATE_OK &&
+			    trx->nm_state.operational != NM_STATE_LOCKED) {
+					send = RF_CMD_ON;
+					break;
+			}
+		}
+	}
+
+	msg = msgb_alloc(10, "RF Query");
+	if (!msg) {
+		LOGP(DINP, LOGL_ERROR, "Failed to allocate response msg.\n");
+		return;
+	}
+
+	msg->l2h = msgb_put(msg, 1);
+	msg->l2h[0] = send;
+
+	if (write_queue_enqueue(&conn->queue, msg) != 0) {
+		LOGP(DINP, LOGL_ERROR, "Failed to enqueue the answer.\n");
+		msgb_free(msg);
+		return;
+	}
+
+	return;
+}
+
+static void send_signal(struct osmo_bsc_rf_conn *conn, int val)
+{
+	struct rf_signal_data sig;
+	sig.net = conn->rf->gsm_network;
+
+	conn->rf->policy = val;
+	dispatch_signal(SS_RF, val, &sig);
+}
+
+static int rf_read_cmd(struct bsc_fd *fd)
+{
+	struct osmo_bsc_rf_conn *conn = fd->data;
+	char buf[1];
+	int rc;
+
+	rc = read(fd->fd, buf, sizeof(buf));
+	if (rc != sizeof(buf)) {
+		LOGP(DINP, LOGL_ERROR, "Short read %d/%s\n", errno, strerror(errno));
+		bsc_unregister_fd(fd);
+		close(fd->fd);
+		write_queue_clear(&conn->queue);
+		talloc_free(conn);
+		return -1;
+	}
+
+	switch (buf[0]) {
+	case RF_CMD_QUERY:
+		handle_query(conn);
+		break;
+	case RF_CMD_OFF:
+		lock_each_trx(conn->rf->gsm_network, 1);
+		send_signal(conn, S_RF_OFF);
+		break;
+	case RF_CMD_ON:
+		lock_each_trx(conn->rf->gsm_network, 0);
+		send_signal(conn, S_RF_ON);
+		break;
+	case RF_CMD_GRACE:
+		send_signal(conn, S_RF_GRACE);
+		break;
+	default:
+		LOGP(DINP, LOGL_ERROR, "Unknown command %d\n", buf[0]);
+		break;
+	}
+
+	return 0;
+}
+
+static int rf_write_cmd(struct bsc_fd *fd, struct msgb *msg)
+{
+	int rc;
+
+	rc = write(fd->fd, msg->data, msg->len);
+	if (rc != msg->len) {
+		LOGP(DINP, LOGL_ERROR, "Short write %d/%s\n", errno, strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+static int rf_ctl_accept(struct bsc_fd *bfd, unsigned int what)
+{
+	struct osmo_bsc_rf_conn *conn;
+	struct osmo_bsc_rf *rf = bfd->data;
+	struct sockaddr_un addr;
+	socklen_t len = sizeof(addr);
+	int fd;
+
+	fd = accept(bfd->fd, (struct sockaddr *) &addr, &len);
+	if (fd < 0) {
+		LOGP(DINP, LOGL_ERROR, "Failed to accept. errno: %d/%s\n",
+		     errno, strerror(errno));
+		return -1;
+	}
+
+	conn = talloc_zero(rf, struct osmo_bsc_rf_conn);
+	if (!conn) {
+		LOGP(DINP, LOGL_ERROR, "Failed to allocate mem.\n");
+		close(fd);
+		return -1;
+	}
+
+	write_queue_init(&conn->queue, 10);
+	conn->queue.bfd.data = conn;
+	conn->queue.bfd.fd = fd;
+	conn->queue.bfd.when = BSC_FD_READ | BSC_FD_WRITE;
+	conn->queue.read_cb = rf_read_cmd;
+	conn->queue.write_cb = rf_write_cmd;
+	conn->rf = rf;
+
+	if (bsc_register_fd(&conn->queue.bfd) != 0) {
+		close(fd);
+		talloc_free(conn);
+		return -1;
+	}
+
+	return 0;
+}
+
+struct osmo_bsc_rf *osmo_bsc_rf_create(const char *path, struct gsm_network *net)
+{
+	unsigned int namelen;
+	struct sockaddr_un local;
+	struct bsc_fd *bfd;
+	struct osmo_bsc_rf *rf;
+	int rc;
+
+	rf = talloc_zero(NULL, struct osmo_bsc_rf);
+	if (!rf) {
+		LOGP(DINP, LOGL_ERROR, "Failed to create osmo_bsc_rf.\n");
+		return NULL;
+	}
+
+	bfd = &rf->listen;
+	bfd->fd = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (bfd->fd < 0) {
+		LOGP(DINP, LOGL_ERROR, "Can not create socket. %d/%s\n",
+		     errno, strerror(errno));
+		return NULL;
+	}
+
+	local.sun_family = AF_UNIX;
+	strncpy(local.sun_path, path, sizeof(local.sun_path));
+	local.sun_path[sizeof(local.sun_path) - 1] = '\0';
+	unlink(local.sun_path);
+
+	/* we use the same magic that X11 uses in Xtranssock.c for
+	 * calculating the proper length of the sockaddr */
+#if defined(BSD44SOCKETS) || defined(__UNIXWARE__)
+	local.sun_len = strlen(local.sun_path);
+#endif
+#if defined(BSD44SOCKETS) || defined(SUN_LEN)
+	namelen = SUN_LEN(&local);
+#else
+	namelen = strlen(local.sun_path) +
+		  offsetof(struct sockaddr_un, sun_path);
+#endif
+
+	rc = bind(bfd->fd, (struct sockaddr *) &local, namelen);
+	if (rc != 0) {
+		LOGP(DINP, LOGL_ERROR, "Failed to bind '%s' errno: %d/%s\n",
+		     local.sun_path, errno, strerror(errno));
+		close(bfd->fd);
+		talloc_free(rf);
+		return NULL;
+	}
+
+	if (listen(bfd->fd, 0) != 0) {
+		LOGP(DINP, LOGL_ERROR, "Failed to listen: %d/%s\n", errno, strerror(errno));
+		close(bfd->fd);
+		talloc_free(rf);
+		return NULL;
+	}
+
+	bfd->when = BSC_FD_READ;
+	bfd->cb = rf_ctl_accept;
+	bfd->data = rf;
+
+	if (bsc_register_fd(bfd) != 0) {
+		LOGP(DINP, LOGL_ERROR, "Failed to register bfd.\n");
+		close(bfd->fd);
+		talloc_free(rf);
+		return NULL;
+	}
+
+	rf->gsm_network = net;
+	rf->policy = S_RF_ON;
+
+	return rf;
+}
+

openbsc/src/paging.c

@@ -49,6 +49,8 @@
 
 void *tall_paging_ctx;
 
+#define PAGING_TIMER 0, 500000
+
 static unsigned int calculate_group(struct gsm_bts *bts, struct gsm_subscriber *subscr)
 {
 	int ccch_conf;
@@ -96,6 +98,72 @@ static void page_ms(struct gsm_paging_request *request)
 			request->chan_type);
 }
 
+static void paging_schedule_if_needed(struct gsm_bts_paging_state *paging_bts)
+{
+	if (llist_empty(&paging_bts->pending_requests))
+		return;
+
+	if (!bsc_timer_pending(&paging_bts->work_timer))
+		bsc_schedule_timer(&paging_bts->work_timer, PAGING_TIMER);
+}
+
+
+static void paging_handle_pending_requests(struct gsm_bts_paging_state *paging_bts);
+static void paging_give_credit(void *data)
+{
+	struct gsm_bts_paging_state *paging_bts = data;
+
+	LOGP(DPAG, LOGL_NOTICE, "No slots available on bts nr %d\n", paging_bts->bts->nr);
+	paging_bts->available_slots = 20;
+	paging_handle_pending_requests(paging_bts);
+}
+
+static int can_send_pag_req(struct gsm_bts *bts, int rsl_type)
+{
+	struct pchan_load pl;
+	int count;
+
+	memset(&pl, 0, sizeof(pl));
+	bts_chan_load(&pl, bts);
+
+	switch (rsl_type) {
+	case RSL_CHANNEED_TCH_F:
+	case RSL_CHANNEED_TCH_ForH:
+		goto count_tch;
+		break;
+	case RSL_CHANNEED_SDCCH:
+		goto count_sdcch;
+		break;
+	case RSL_CHANNEED_ANY:
+	default:
+		if (bts->network->pag_any_tch)
+			goto count_tch;
+		else
+			goto count_sdcch;
+		break;
+	}
+
+	return 0;
+
+	/* could available SDCCH */
+count_sdcch:
+	count = 0;
+	count += pl.pchan[GSM_PCHAN_SDCCH8_SACCH8C].total
+			- pl.pchan[GSM_PCHAN_SDCCH8_SACCH8C].used;
+	count += pl.pchan[GSM_PCHAN_CCCH_SDCCH4].total
+			- pl.pchan[GSM_PCHAN_CCCH_SDCCH4].used;
+	return bts->paging.free_chans_need > count;
+
+count_tch:
+	count = 0;
+	count += pl.pchan[GSM_PCHAN_TCH_F].total
+			- pl.pchan[GSM_PCHAN_TCH_F].used;
+	if (bts->network->neci)
+		count += pl.pchan[GSM_PCHAN_TCH_H].total
+				- pl.pchan[GSM_PCHAN_TCH_H].used;
+	return bts->paging.free_chans_need > count;
+}
+
 /*
  * This is kicked by the periodic PAGING LOAD Indicator
  * coming from abis_rsl.c
@@ -105,8 +173,7 @@ static void page_ms(struct gsm_paging_request *request)
  */
 static void paging_handle_pending_requests(struct gsm_bts_paging_state *paging_bts)
 {
-	struct gsm_paging_request *initial_request = NULL;
-	struct gsm_paging_request *current_request = NULL;
+	struct gsm_paging_request *request = NULL;
 
 	/*
 	 * Determine if the pending_requests list is empty and
@@ -118,39 +185,37 @@ static void paging_handle_pending_requests(struct gsm_bts_paging_state *paging_b
 	}
 
 	/*
-	 * In case the BTS does not provide us with load indication just fill
-	 * up our slots for this round. We should be able to page 20 subscribers
-	 * every two seconds. So we will just give the BTS some extra credit.
-	 * We will have to see how often we run out of this credit, so we might
-	 * need a low watermark and then add credit or give 20 every run when
-	 * the bts sets an option for that.
+	 * In case the BTS does not provide us with load indication and we
+	 * ran out of slots, call an autofill routine. It might be that the
+	 * BTS did not like our paging messages and then we have counted down
+	 * to zero and we do not get any messages.
 	 */
 	if (paging_bts->available_slots == 0) {
-		LOGP(DPAG, LOGL_NOTICE, "No slots available on bts nr %d\n",
-		     paging_bts->bts->nr);
-		paging_bts->available_slots = 20;
+		paging_bts->credit_timer.cb = paging_give_credit;
+		paging_bts->credit_timer.data = paging_bts;
+		bsc_schedule_timer(&paging_bts->credit_timer, 5, 0);
+		return;
 	}
 
-	initial_request = llist_entry(paging_bts->pending_requests.next,
-				      struct gsm_paging_request, entry);
-	current_request = initial_request;
+	request = llist_entry(paging_bts->pending_requests.next,
+			      struct gsm_paging_request, entry);
 
-	do {
-		/* handle the paging request now */
-		page_ms(current_request);
-		paging_bts->available_slots--;
+	/* we need to determine the number of free channels */
+	if (paging_bts->free_chans_need != -1) {
+		if (can_send_pag_req(request->bts, request->chan_type) != 0)
+			goto skip_paging;
+	}
 
-		/* take the current and add it to the back */
-		llist_del(&current_request->entry);
-		llist_add_tail(&current_request->entry, &paging_bts->pending_requests);
+	/* handle the paging request now */
+	page_ms(request);
+	paging_bts->available_slots--;
 
-		/* take the next request */
-		current_request = llist_entry(paging_bts->pending_requests.next,
-					      struct gsm_paging_request, entry);
-	} while (paging_bts->available_slots > 0
-		    &&  initial_request != current_request);
+	/* take the current and add it to the back */
+	llist_del(&request->entry);
+	llist_add_tail(&request->entry, &paging_bts->pending_requests);
 
-	bsc_schedule_timer(&paging_bts->work_timer, 2, 0);
+skip_paging:
+	bsc_schedule_timer(&paging_bts->work_timer, PAGING_TIMER);
 }
 
 static void paging_worker(void *data)
@@ -233,9 +298,7 @@ static int _paging_request(struct gsm_bts *bts, struct gsm_subscriber *subscr,
 	req->T3113.data = req;
 	bsc_schedule_timer(&req->T3113, bts->network->T3113, 0);
 	llist_add_tail(&req->entry, &bts_entry->pending_requests);
-
-	if (!bsc_timer_pending(&bts_entry->work_timer))
-		bsc_schedule_timer(&bts_entry->work_timer, 2, 0);
+	paging_schedule_if_needed(bts_entry);
 
 	return 0;
 }
@@ -318,12 +381,26 @@ void paging_request_stop(struct gsm_bts *_bts, struct gsm_subscriber *subscr,
 			break;
 
 		/* Stop paging */
-                if (bts != _bts)
+		if (bts != _bts)
 			_paging_request_stop(bts, subscr, NULL);
 	} while (1);
 }
 
 void paging_update_buffer_space(struct gsm_bts *bts, u_int16_t free_slots)
 {
+	bsc_del_timer(&bts->paging.credit_timer);
 	bts->paging.available_slots = free_slots;
+	paging_schedule_if_needed(&bts->paging);
+}
+
+unsigned int paging_pending_requests_nr(struct gsm_bts *bts)
+{
+	unsigned int requests = 0;
+
+	struct gsm_paging_request *req;
+
+	llist_for_each_entry(req, &bts->paging.pending_requests, entry)
+		++requests;
+
+	return requests;
 }

openbsc/src/rest_octets.c

@@ -316,8 +316,16 @@ static int append_gprs_cell_opt(struct bitvec *bv,
 	bitvec_set_bit(bv, 1);
 	bitvec_set_uint(bv, gco->bs_cv_max, 4);
 
-	/* hard-code no PAN_{DEC,INC,MAX} */
-	bitvec_set_bit(bv, 0);
+	if (0) {
+		/* hard-code no PAN_{DEC,INC,MAX} */
+		bitvec_set_bit(bv, 0);
+	} else {
+		/* copied from ip.access BSC protocol trace */
+		bitvec_set_bit(bv, 1);
+		bitvec_set_uint(bv, 1, 3);	/* DEC */
+		bitvec_set_uint(bv, 1, 3);	/* INC */
+		bitvec_set_uint(bv, 15, 3);	/* MAX */
+	}
 
 	if (!gco->ext_info_present) {
 		/* no extension information */

openbsc/src/rtp_proxy.c

@@ -91,6 +91,9 @@ struct rtp_x_hdr {
 
 #define RTP_VERSION	2
 
+#define RTP_PT_GSM_FULL	3
+#define RTP_PT_GSM_EFR	97
+
 /* decode an rtp frame and create a new buffer with payload */
 static int rtp_decode(struct msgb *msg, u_int32_t callref, struct msgb **data)
 {

openbsc/src/silent_call.c

@@ -140,7 +140,7 @@ int gsm_silent_call_stop(struct gsm_subscriber *subscr)
 	if (!conn->silent_call)
 		return -EINVAL;
 
-	put_subscr_con(conn);
+	put_subscr_con(conn, 0);
 
 	return 0;
 }

openbsc/src/system_information.c

@@ -397,17 +397,17 @@ static int generate_si6(u_int8_t *output, struct gsm_bts *bts)
 
 static struct gsm48_si13_info si13_default = {
 	.cell_opts = {
-		.nmo 		= GPRS_NMO_III,
-		.t3168		= 1500,
-		.t3192		= 500,
+		.nmo 		= GPRS_NMO_II,
+		.t3168		= 2000,
+		.t3192		= 200,
 		.drx_timer_max	= 3,
 		.bs_cv_max	= 15,
-		.ext_info_present = 0,
+		.ext_info_present = 1,
 		.ext_info = {
 			/* The values below are just guesses ! */
 			.egprs_supported = 0,
 			.use_egprs_p_ch_req = 1,
-			.bep_period = 4,
+			.bep_period = 5,
 			.pfc_supported = 0,
 			.dtm_supported = 0,
 			.bss_paging_coordination = 0,
@@ -415,10 +415,10 @@ static struct gsm48_si13_info si13_default = {
 	},
 	.pwr_ctrl_pars = {
 		.alpha		= 10,	/* a = 1.0 */
-		.t_avg_w	= 25,
-		.t_avg_t	= 25,
+		.t_avg_w	= 16,
+		.t_avg_t	= 16,
 		.pc_meas_chan	= 0, 	/* downling measured on CCCH */
-		.n_avg_i	= 15,
+		.n_avg_i	= 8,
 	},
 	.bcch_change_mark	= 1,
 	.si_change_field	= 0,
@@ -451,7 +451,8 @@ static int generate_si13(u_int8_t *output, struct gsm_bts *bts)
 	if (ret < 0)
 		return ret;
 
-	si13->header.l2_plen = ret & 0xff;
+	/* length is coded in bit 2 an up */
+	si13->header.l2_plen = 0x01;
 
 	return sizeof (*si13) + ret;
 }

openbsc/src/transaction.c

@@ -28,6 +28,7 @@
 #include <openbsc/gsm_04_08.h>
 #include <openbsc/mncc.h>
 #include <openbsc/paging.h>
+#include <openbsc/chan_alloc.h>
 
 void *tall_trans_ctx;
 
@@ -95,14 +96,14 @@ void trans_free(struct gsm_trans *trans)
 		break;
 	}
 
-	if (trans->conn)
-		put_subscr_con(trans->conn);
-
 	if (!trans->conn && trans->subscr && trans->subscr->net) {
 		/* Stop paging on all bts' */
 		paging_request_stop(NULL, trans->subscr, NULL);
 	}
 
+	if (trans->conn)
+		put_subscr_con(trans->conn, 0);
+
 	if (trans->subscr)
 		subscr_put(trans->subscr);
 
@@ -159,7 +160,7 @@ int trans_lchan_change(struct gsm_subscriber_connection *conn_old,
 		if (trans->conn == conn_old) {
 
 			/* drop old channel use count */
-			put_subscr_con(conn_old);
+			put_subscr_con(conn_old, 0);
 			/* assign new channel */
 			trans->conn = conn_new;
 			/* bump new channel use count */

openbsc/src/vty/buffer.c

@@ -65,11 +65,11 @@ struct buffer_data {
 #define BUFFER_DATA_FREE(D) talloc_free((D))
 
 /* Make new buffer. */
-struct buffer *buffer_new(size_t size)
+struct buffer *buffer_new(void *ctx, size_t size)
 {
 	struct buffer *b;
 
-	b = talloc_zero(tall_vty_ctx, struct buffer);
+	b = talloc_zero(ctx, struct buffer);
 
 	if (size)
 		b->size = size;
@@ -138,7 +138,7 @@ static struct buffer_data *buffer_add(struct buffer *b)
 {
 	struct buffer_data *d;
 
-	d = _talloc_zero(tall_vty_ctx,
+	d = _talloc_zero(b,
 			 offsetof(struct buffer_data, data[b->size]),
 			 "buffer_add");
 	if (!d)

openbsc/src/vty/command.c

@@ -1949,6 +1949,11 @@ enum node_type vty_go_parent(struct vty *vty)
 		subscr_put(vty->index);
 		vty->index = NULL;
 		break;
+	case OML_NODE:
+		vty->node = ENABLE_NODE;
+		talloc_free(vty->index);
+		vty->index = NULL;
+		break;
 	default:
 		vty->node = CONFIG_NODE;
 	}
@@ -2365,6 +2370,12 @@ DEFUN(config_exit,
 	case MGCP_NODE:
 		vty->node = CONFIG_NODE;
 		vty->index = NULL;
+		break;
+	case OML_NODE:
+		vty->node = ENABLE_NODE;
+		talloc_free(vty->index);
+		vty->index = NULL;
+		break;
 	default:
 		break;
 	}

openbsc/src/vty/vty.c

@@ -51,10 +51,10 @@ struct vty *vty_new()
 	if (!new)
 		goto out;
 
-	new->obuf = buffer_new(0);	/* Use default buffer size. */
+	new->obuf = buffer_new(new, 0);	/* Use default buffer size. */
 	if (!new->obuf)
 		goto out_new;
-	new->buf = _talloc_zero(tall_vty_ctx, VTY_BUFSIZ, "vty_new->buf");
+	new->buf = _talloc_zero(new, VTY_BUFSIZ, "vty_new->buf");
 	if (!new->buf)
 		goto out_obuf;
 
@@ -170,8 +170,7 @@ void vty_close(struct vty *vty)
 	/* Check configure. */
 	vty_config_unlock(vty);
 
-	/* FIXME: memory leak. We need to call telnet_close_client() but don't
-	 * have bfd */
+	/* VTY_CLOSED is handled by the telnet_interface */
 	vty_event(VTY_CLOSED, vty->fd, vty);
 
 	/* OK free vty. */
@@ -211,7 +210,7 @@ int vty_out(struct vty *vty, const char *format, ...)
 				else
 					size = size * 2;
 
-				p = talloc_realloc_size(tall_vty_ctx, p, size);
+				p = talloc_realloc_size(vty, p, size);
 				if (!p)
 					return -1;
 
@@ -358,7 +357,7 @@ static void vty_ensure(struct vty *vty, int length)
 {
 	if (vty->max <= length) {
 		vty->max *= 2;
-		vty->buf = talloc_realloc_size(tall_vty_ctx, vty->buf, vty->max);
+		vty->buf = talloc_realloc_size(vty, vty->buf, vty->max);
 		// FIXME: check return
 	}
 }
@@ -459,7 +458,7 @@ static void vty_hist_add(struct vty *vty)
 	/* Insert history entry. */
 	if (vty->hist[vty->hindex])
 		talloc_free(vty->hist[vty->hindex]);
-	vty->hist[vty->hindex] = talloc_strdup(tall_vty_ctx, vty->buf);
+	vty->hist[vty->hindex] = talloc_strdup(vty, vty->buf);
 
 	/* History index rotation. */
 	vty->hindex++;
@@ -916,7 +915,7 @@ static void vty_complete_command(struct vty *vty)
 		vty_backward_pure_word(vty);
 		vty_insert_word_overwrite(vty, matched[0]);
 		vty_self_insert(vty, ' ');
-		//talloc_free(matched[0]);
+		talloc_free(matched[0]);
 		break;
 	case CMD_COMPLETE_MATCH:
 		vty_prompt(vty);
@@ -924,8 +923,6 @@ static void vty_complete_command(struct vty *vty)
 		vty_backward_pure_word(vty);
 		vty_insert_word_overwrite(vty, matched[0]);
 		talloc_free(matched[0]);
-		vector_only_index_free(matched);
-		return;
 		break;
 	case CMD_COMPLETE_LIST_MATCH:
 		for (i = 0; matched[i] != NULL; i++) {
@@ -966,7 +963,7 @@ vty_describe_fold(struct vty *vty, int cmd_width,
 		return;
 	}
 
-	buf = _talloc_zero(tall_vty_ctx, strlen(desc->str) + 1, "describe_fold");
+	buf = _talloc_zero(vty, strlen(desc->str) + 1, "describe_fold");
 	if (!buf)
 		return;
 

openbsc/src/vty_interface.c

@@ -1,4 +1,4 @@
-/* OpenBSC interface to quagga VTY */
+/* ipenBSC interface to quagga VTY */
 /* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
  * All Rights Reserved
  *
@@ -27,6 +27,7 @@
 #include <vty/vty.h>
 
 #include <arpa/inet.h>
+#include <netinet/ip.h>
 
 #include <osmocore/linuxlist.h>
 #include <openbsc/gsm_data.h>
@@ -39,9 +40,37 @@
 #include <osmocore/talloc.h>
 #include <openbsc/telnet_interface.h>
 #include <openbsc/vty.h>
+#include <openbsc/ipaccess.h>
+#include <openbsc/paging.h>
 
 static struct gsm_network *gsmnet;
 
+static struct value_string gprs_ns_timer_strs[] = {
+	{ 0, "tns-block" },
+	{ 1, "tns-block-retries" },
+	{ 2, "tns-reset" },
+	{ 3, "tns-reset-retries" },
+	{ 4, "tns-test" },
+	{ 5, "tns-alive" },
+	{ 6, "tns-alive-retries" },
+	{ 0, NULL }
+};
+
+static struct value_string gprs_bssgp_cfg_strs[] = {
+	{ 0,	"blocking-timer" },
+	{ 1,	"blocking-retries" },
+	{ 2,	"unblocking-retries" },
+	{ 3,	"reset-timer" },
+	{ 4,	"reset-retries" },
+	{ 5,	"suspend-timer" },
+	{ 6,	"suspend-retries" },
+	{ 7,	"resume-timer" },
+	{ 8,	"resume-retries" },
+	{ 9,	"capability-update-timer" },
+	{ 10,	"capability-update-retries" },
+	{ 0,	NULL }
+};
+
 struct cmd_node net_node = {
 	GSMNET_NODE,
 	"%s(network)#",
@@ -100,6 +129,7 @@ static void dump_pchan_load_vty(struct vty *vty, char *prefix,
 
 static void net_dump_vty(struct vty *vty, struct gsm_network *net)
 {
+	int i;
 	struct pchan_load pl;
 
 	vty_out(vty, "BSC is on Country Code %u, Network Code %u "
@@ -117,6 +147,8 @@ static void net_dump_vty(struct vty *vty, struct gsm_network *net)
 		VTY_NEWLINE);
 	vty_out(vty, "  NECI (TCH/H): %u%s", net->neci,
 		VTY_NEWLINE);
+	vty_out(vty, "  Use TCH for Paging any: %d%s", net->pag_any_tch,
+		VTY_NEWLINE);
 	vty_out(vty, "  RRLP Mode: %s%s", rrlp_mode_name(net->rrlp.mode),
 		VTY_NEWLINE);
 	vty_out(vty, "  MM Info: %s%s", net->send_mm_info ? "On" : "Off",
@@ -126,6 +158,12 @@ static void net_dump_vty(struct vty *vty, struct gsm_network *net)
 	network_chan_load(&pl, net);
 	vty_out(vty, "  Current Channel Load:%s", VTY_NEWLINE);
 	dump_pchan_load_vty(vty, "    ", &pl);
+
+	vty_out(vty, "  Allowed Audio Codecs: ");
+	for (i = 0; i < net->audio_length; ++i)
+		vty_out(vty, "hr: %d ver: %d, ",
+			net->audio_support[i]->hr, net->audio_support[i]->ver);
+	vty_out(vty, "%s", VTY_NEWLINE);
 }
 
 DEFUN(show_net, show_net_cmd, "show network",
@@ -186,7 +224,8 @@ static void bts_dump_vty(struct vty *vty, struct gsm_bts *bts)
 	net_dump_nmstate(vty, &bts->nm_state);
 	vty_out(vty, "  Site Mgr NM State: ");
 	net_dump_nmstate(vty, &bts->site_mgr.nm_state);
-	vty_out(vty, "  Paging: FIXME pending requests, %u free slots%s",
+	vty_out(vty, "  Paging: %u pending requests, %u free slots%s",
+		paging_pending_requests_nr(bts),
 		bts->paging.available_slots, VTY_NEWLINE);
 	if (!is_ipaccess_bts(bts)) {
 		vty_out(vty, "  E1 Signalling Link:%s", VTY_NEWLINE);
@@ -224,6 +263,36 @@ DEFUN(show_bts, show_bts_cmd, "show bts [number]",
 	return CMD_SUCCESS;
 }
 
+DEFUN(test_bts_lchan_alloc, test_bts_lchan_alloc_cmd, "test bts alloc (sdcch|tch_h|tch_f)",
+      "Test command to allocate all channels. You will need to restart. To free these channels.\n")
+{
+	struct gsm_network *net = gsmnet;
+	int bts_nr;
+
+	enum gsm_chan_t type = GSM_LCHAN_NONE;
+
+	if (strcmp("sdcch", argv[0]) == 0)
+		type = GSM_LCHAN_SDCCH;
+	else if (strcmp("tch_h", argv[0]) == 0)
+		type = GSM_LCHAN_TCH_H;
+	else if (strcmp("tch_f", argv[0]) == 0)
+		type = GSM_LCHAN_TCH_F;
+	else {
+		vty_out(vty, "Unknown mode for allocation.%s", VTY_NEWLINE);
+	}
+
+	for (bts_nr = 0; bts_nr < net->num_bts; ++bts_nr) {
+		struct gsm_bts *bts = gsm_bts_num(net, bts_nr);
+		struct gsm_lchan *lchan;
+
+		/* alloc the channel */
+		while ((lchan = lchan_alloc(bts, type, 0)) != NULL)
+			rsl_lchan_set_state(lchan, LCHAN_S_REL_ERR);
+	}
+
+	return CMD_SUCCESS;
+}
+
 /* utility functions */
 static void parse_e1_link(struct gsm_e1_subslot *e1_link, const char *line,
 			  const char *ts, const char *ss)
@@ -279,10 +348,48 @@ static void config_write_trx_single(struct vty *vty, struct gsm_bts_trx *trx)
 		config_write_ts_single(vty, &trx->ts[i]);
 }
 
+static void config_write_bts_gprs(struct vty *vty, struct gsm_bts *bts)
+{
+	unsigned int i;
+	vty_out(vty, "  gprs mode %s%s", bts_gprs_mode_name(bts->gprs.mode),
+		VTY_NEWLINE);
+	if (bts->gprs.mode == BTS_GPRS_NONE)
+		return;
+
+	vty_out(vty, "  gprs routing area %u%s", bts->gprs.rac,
+		VTY_NEWLINE);
+	vty_out(vty, "  gprs cell bvci %u%s", bts->gprs.cell.bvci,
+		VTY_NEWLINE);
+	for (i = 0; i < ARRAY_SIZE(bts->gprs.cell.timer); i++)
+		vty_out(vty, "  gprs cell timer %s %u%s",
+			get_value_string(gprs_bssgp_cfg_strs, i),
+			bts->gprs.cell.timer[i], VTY_NEWLINE);
+	vty_out(vty, "  gprs nsei %u%s", bts->gprs.nse.nsei,
+		VTY_NEWLINE);
+	for (i = 0; i < ARRAY_SIZE(bts->gprs.nse.timer); i++)
+		vty_out(vty, "  gprs ns timer %s %u%s",
+			get_value_string(gprs_ns_timer_strs, i),
+			bts->gprs.nse.timer[i], VTY_NEWLINE);
+	for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) {
+		struct gsm_bts_gprs_nsvc *nsvc =
+					&bts->gprs.nsvc[i];
+		struct in_addr ia;
+
+		ia.s_addr = htonl(nsvc->remote_ip);
+		vty_out(vty, "  gprs nsvc %u nsvci %u%s", i,
+			nsvc->nsvci, VTY_NEWLINE);
+		vty_out(vty, "  gprs nsvc %u local udp port %u%s", i,
+			nsvc->local_port, VTY_NEWLINE);
+		vty_out(vty, "  gprs nsvc %u remote udp port %u%s", i,
+			nsvc->remote_port, VTY_NEWLINE);
+		vty_out(vty, "  gprs nsvc %u remote ip %s%s", i,
+			inet_ntoa(ia), VTY_NEWLINE);
+	}
+}
+
 static void config_write_bts_single(struct vty *vty, struct gsm_bts *bts)
 {
 	struct gsm_bts_trx *trx;
-	int i;
 
 	vty_out(vty, " bts %u%s", bts->nr, VTY_NEWLINE);
 	vty_out(vty, "  type %s%s", btstype2str(bts->type), VTY_NEWLINE);
@@ -308,8 +415,17 @@ static void config_write_bts_single(struct vty *vty, struct gsm_bts *bts)
 	vty_out(vty, "  rach max transmission %u%s",
 		rach_max_trans_raw2val(bts->si_common.rach_control.max_trans),
 		VTY_NEWLINE);
+
+	if (bts->rach_b_thresh != -1)
+		vty_out(vty, "  rach nm busy threshold %u%s",
+			bts->rach_b_thresh, VTY_NEWLINE);
+	if (bts->rach_ldavg_slots != -1)
+		vty_out(vty, "  rach nm load average %u%s",
+			bts->rach_ldavg_slots, VTY_NEWLINE);
 	if (bts->si_common.rach_control.cell_bar)
 		vty_out(vty, "  cell barred 1%s", VTY_NEWLINE);
+	if ((bts->si_common.rach_control.t2 & 0x4) == 0)
+		vty_out(vty, "  rach emergency call allowed 1%s", VTY_NEWLINE);
 	if (is_ipaccess_bts(bts)) {
 		vty_out(vty, "  ip.access unit_id %u %u%s",
 			bts->ip_access.site_id, bts->ip_access.bts_id, VTY_NEWLINE);
@@ -318,31 +434,13 @@ static void config_write_bts_single(struct vty *vty, struct gsm_bts *bts)
 		config_write_e1_link(vty, &bts->oml_e1_link, "  oml ");
 		vty_out(vty, "  oml e1 tei %u%s", bts->oml_tei, VTY_NEWLINE);
 	}
-	vty_out(vty, "  gprs mode %s%s", bts_gprs_mode_name(bts->gprs.mode),
-		VTY_NEWLINE);
-	if (bts->gprs.mode != BTS_GPRS_NONE) {
-		vty_out(vty, "  gprs routing area %u%s", bts->gprs.rac,
-			VTY_NEWLINE);
-		vty_out(vty, "  gprs cell bvci %u%s", bts->gprs.cell.bvci,
-			VTY_NEWLINE);
-		vty_out(vty, "  gprs nsei %u%s", bts->gprs.nse.nsei,
-			VTY_NEWLINE);
-		for (i = 0; i < ARRAY_SIZE(bts->gprs.nsvc); i++) {
-			struct gsm_bts_gprs_nsvc *nsvc =
-						&bts->gprs.nsvc[i];
-			struct in_addr ia;
 
-			ia.s_addr = htonl(nsvc->remote_ip);
-			vty_out(vty, "  gprs nsvc %u nsvci %u%s", i,
-				nsvc->nsvci, VTY_NEWLINE);
-			vty_out(vty, "  gprs nsvc %u local udp port %u%s", i,
-				nsvc->local_port, VTY_NEWLINE);
-			vty_out(vty, "  gprs nsvc %u remote udp port %u%s", i,
-				nsvc->remote_port, VTY_NEWLINE);
-			vty_out(vty, "  gprs nsvc %u remote ip %s%s", i,
-				inet_ntoa(ia), VTY_NEWLINE);
-		}
-	}
+	config_write_bts_gprs(vty, bts);
+
+	/* if we have a limit, write it */
+	if (bts->paging.free_chans_need >= 0)
+		vty_out(vty, "  paging free %d%s", bts->paging.free_chans_need, VTY_NEWLINE);
+
 
 	llist_for_each_entry(trx, &bts->trx_list, list)
 		config_write_trx_single(vty, trx);
@@ -362,7 +460,11 @@ static int config_write_net(struct vty *vty)
 {
 	vty_out(vty, "network%s", VTY_NEWLINE);
 	vty_out(vty, " network country code %u%s", gsmnet->country_code, VTY_NEWLINE);
+	if (gsmnet->core_country_code > 0)
+		vty_out(vty, " core network country code %u%s", gsmnet->core_country_code, VTY_NEWLINE);
 	vty_out(vty, " mobile network code %u%s", gsmnet->network_code, VTY_NEWLINE);
+	if (gsmnet->core_network_code > 0)
+		vty_out(vty, " core mobile network code %u%s", gsmnet->core_network_code, VTY_NEWLINE);
 	vty_out(vty, " short name %s%s", gsmnet->name_short, VTY_NEWLINE);
 	vty_out(vty, " long name %s%s", gsmnet->name_long, VTY_NEWLINE);
 	vty_out(vty, " auth policy %s%s", gsm_auth_policy_name(gsmnet->auth_policy), VTY_NEWLINE);
@@ -370,6 +472,7 @@ static int config_write_net(struct vty *vty)
 		gsmnet->reject_cause, VTY_NEWLINE);
 	vty_out(vty, " encryption a5 %u%s", gsmnet->a5_encryption, VTY_NEWLINE);
 	vty_out(vty, " neci %u%s", gsmnet->neci, VTY_NEWLINE);
+	vty_out(vty, " paging any use tch %d%s", gsmnet->pag_any_tch, VTY_NEWLINE);
 	vty_out(vty, " rrlp mode %s%s", rrlp_mode_name(gsmnet->rrlp.mode),
 		VTY_NEWLINE);
 	vty_out(vty, " mm info %u%s", gsmnet->send_mm_info, VTY_NEWLINE);
@@ -397,6 +500,39 @@ static int config_write_net(struct vty *vty)
 	vty_out(vty, " timer t3117 %u%s", gsmnet->T3117, VTY_NEWLINE);
 	vty_out(vty, " timer t3119 %u%s", gsmnet->T3119, VTY_NEWLINE);
 	vty_out(vty, " timer t3141 %u%s", gsmnet->T3141, VTY_NEWLINE);
+	vty_out(vty, " dtx-used %u%s", gsmnet->dtx_enabled, VTY_NEWLINE);
+	vty_out(vty, " ipacc rtp_payload %u%s", gsmnet->rtp_payload, VTY_NEWLINE);
+	vty_out(vty, " rtp base %u%s", gsmnet->rtp_base_port, VTY_NEWLINE);
+
+	if (gsmnet->audio_length != 0) {
+		int i;
+
+		vty_out(vty, " codec_list ");
+		for (i = 0; i < gsmnet->audio_length; ++i) {
+			printf("I... %d %d\n", i, gsmnet->audio_length);
+			if (i != 0)
+				vty_out(vty, ", ");
+
+			if (gsmnet->audio_support[i]->hr)
+				vty_out(vty, "hr%.1u", gsmnet->audio_support[i]->ver);
+			else
+				vty_out(vty, "fr%.1u", gsmnet->audio_support[i]->ver);
+		}
+		vty_out(vty, "%s", VTY_NEWLINE);
+	}
+
+	if (gsmnet->bsc_token)
+		vty_out(vty, " bsc_token %s%s", gsmnet->bsc_token, VTY_NEWLINE);
+	vty_out(vty, " msc ip %s%s", gsmnet->msc_ip, VTY_NEWLINE);
+	vty_out(vty, " msc port %d%s", gsmnet->msc_port, VTY_NEWLINE);
+	vty_out(vty, " msc ip-dscp %d%s", gsmnet->msc_ip_dscp, VTY_NEWLINE);
+	vty_out(vty, " timeout ping %d%s", gsmnet->ping_timeout, VTY_NEWLINE);
+	vty_out(vty, " timeout pong %d%s", gsmnet->pong_timeout, VTY_NEWLINE);
+	if (gsmnet->ussd_grace_txt)
+		vty_out(vty, " bsc-grace-text %s%s", gsmnet->ussd_grace_txt, VTY_NEWLINE);
+	if (gsmnet->ussd_welcome_txt)
+		vty_out(vty, " bsc-welcome-text %s%s", gsmnet->ussd_welcome_txt, VTY_NEWLINE);
+
 
 	return CMD_SUCCESS;
 }
@@ -594,7 +730,7 @@ static void meas_rep_dump_vty(struct vty *vty, struct gsm_meas_rep *mr,
 	meas_rep_dump_uni_vty(vty, &mr->ul, prefix, "ul");
 }
 
-static void lchan_dump_vty(struct vty *vty, struct gsm_lchan *lchan)
+static void lchan_dump_full_vty(struct vty *vty, struct gsm_lchan *lchan)
 {
 	int idx;
 
@@ -629,37 +765,41 @@ static void lchan_dump_vty(struct vty *vty, struct gsm_lchan *lchan)
 	meas_rep_dump_vty(vty, &lchan->meas_rep[idx], "  ");
 }
 
-#if 0
-TODO: callref and remote callref of call must be resolved to get gsm_trans object
-static void call_dump_vty(struct vty *vty, struct gsm_call *call)
+static void lchan_dump_short_vty(struct vty *vty, struct gsm_lchan *lchan)
 {
-	vty_out(vty, "Call Type %u, State %u, Transaction ID %u%s",
-		call->type, call->state, call->transaction_id, VTY_NEWLINE);
+	struct gsm_meas_rep *mr;
+	int idx;
 
-	if (call->local_lchan) {
-		vty_out(vty, "Call Local Channel:%s", VTY_NEWLINE);
-		lchan_dump_vty(vty, call->local_lchan);
-	} else
-		vty_out(vty, "Call has no Local Channel%s", VTY_NEWLINE);
+	/* we want to report the last measurement report */
+	idx = calc_initial_idx(ARRAY_SIZE(lchan->meas_rep),
+			       lchan->meas_rep_idx, 1);
+	mr =  &lchan->meas_rep[idx];
 
-	if (call->remote_lchan) {
-		vty_out(vty, "Call Remote Channel:%s", VTY_NEWLINE);
-		lchan_dump_vty(vty, call->remote_lchan);
-	} else
-		vty_out(vty, "Call has no Remote Channel%s", VTY_NEWLINE);
-
-	if (call->called_subscr) {
-		vty_out(vty, "Called Subscriber:%s", VTY_NEWLINE);
-		subscr_dump_vty(vty, call->called_subscr);
-	} else
-		vty_out(vty, "Call has no Called Subscriber%s", VTY_NEWLINE);
+	vty_out(vty, "Lchan: %u Timeslot: %u TRX: %u BTS: %u Type: %s - L1 MS Power: %u dBm "
+		     "RXL-FULL-dl: %4d dBm RXL-FULL-ul: %4d dBm%s",
+		lchan->nr, lchan->ts->nr, lchan->ts->trx->nr,
+		lchan->ts->trx->bts->nr, gsm_lchant_name(lchan->type),
+		mr->ms_l1.pwr,
+		rxlev2dbm(mr->dl.full.rx_lev),
+		rxlev2dbm(mr->ul.full.rx_lev),
+		VTY_NEWLINE);
 }
-#endif
 
-DEFUN(show_lchan,
-      show_lchan_cmd,
-      "show lchan [bts_nr] [trx_nr] [ts_nr] [lchan_nr]",
-	SHOW_STR "Display information about a logical channel\n")
+static void lchan_dump_status_vty(struct vty *vty, struct gsm_lchan *lchan)
+{
+	vty_out(vty, "Lchan: %u/%u/%u/%u Type: %s State: %s ref: %u HO: %d Subscriber: %d "
+		"Time: %lu SAPI: %d/%d%s",
+		lchan->nr, lchan->ts->nr, lchan->ts->trx->nr,
+		lchan->ts->trx->bts->nr, gsm_lchant_name(lchan->type),
+		gsm_lchans_name(lchan->state), lchan->conn.use_count,
+		lchan->conn.hand_off,
+		lchan->conn.subscr != NULL, (unsigned long) lchan->alloc_time.tv_sec,
+		lchan->sapis[0], lchan->sapis[3],
+		VTY_NEWLINE);
+}
+
+static int lchan_summary(struct vty *vty, int argc, const char **argv,
+			 void (*dump_cb)(struct vty *, struct gsm_lchan *))
 {
 	struct gsm_network *net = gsmnet;
 	struct gsm_bts *bts;
@@ -704,7 +844,7 @@ DEFUN(show_lchan,
 			return CMD_WARNING;
 		}
 		lchan = &ts->lchan[lchan_nr];
-		lchan_dump_vty(vty, lchan);
+		dump_cb(vty, lchan);
 		return CMD_SUCCESS;
 	}
 	for (bts_nr = 0; bts_nr < net->num_bts; bts_nr++) {
@@ -718,7 +858,7 @@ DEFUN(show_lchan,
 					lchan = &ts->lchan[lchan_nr];
 					if (lchan->type == GSM_LCHAN_NONE)
 						continue;
-					lchan_dump_vty(vty, lchan);
+					dump_cb(vty, lchan);
 				}
 			}
 		}
@@ -727,6 +867,31 @@ DEFUN(show_lchan,
 	return CMD_SUCCESS;
 }
 
+
+DEFUN(show_lchan,
+      show_lchan_cmd,
+      "show lchan [bts_nr] [trx_nr] [ts_nr] [lchan_nr]",
+	SHOW_STR "Display information about a logical channel\n")
+{
+	return lchan_summary(vty, argc, argv, lchan_dump_full_vty);
+}
+
+DEFUN(show_lchan_summary,
+      show_lchan_summary_cmd,
+      "show lchan-summary [bts_nr] [trx_nr] [ts_nr] [lchan_nr]",
+	SHOW_STR "Display a short summary about a logical channel\n")
+{
+	return lchan_summary(vty, argc, argv, lchan_dump_short_vty);
+}
+
+DEFUN(show_lchan_status,
+      show_lchan_status_cmd,
+      "show lchan-status [bts_nr] [trx_nr] [ts_nr] [lchan_nr]",
+	SHOW_STR "Display a short stat about a logical channel\n")
+{
+	return lchan_summary(vty, argc, argv, lchan_dump_status_vty);
+}
+
 static void e1drv_dump_vty(struct vty *vty, struct e1inp_driver *drv)
 {
 	vty_out(vty, "E1 Input Driver %s%s", drv->name, VTY_NEWLINE);
@@ -879,6 +1044,50 @@ DEFUN(show_paging,
 	return CMD_SUCCESS;
 }
 
+DEFUN(drop_bts,
+      drop_bts_cmd,
+      "drop bts connection <0-65535> (oml|rsl)",
+      "Debug/Simulation command to drop ipaccess BTS\n")
+{
+	struct gsm_bts_trx *trx;
+	struct gsm_bts *bts;
+	unsigned int bts_nr;
+
+	bts_nr = atoi(argv[0]);
+	if (bts_nr >= gsmnet->num_bts) {
+		vty_out(vty, "BTS number must be between 0 and %d. It was %d.%s",
+			gsmnet->num_bts, bts_nr, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	bts = gsm_bts_num(gsmnet, bts_nr);
+	if (!bts) {
+		vty_out(vty, "BTS Nr. %d could not be found.%s", bts_nr, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	if (!is_ipaccess_bts(bts)) {
+		vty_out(vty, "This command only works for ipaccess.%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+
+	/* close all connections */
+	if (strcmp(argv[1], "oml") == 0)
+		ipaccess_drop_oml(bts);
+	else if (strcmp(argv[1], "rsl") == 0) {
+		/* close all rsl connections */
+		llist_for_each_entry(trx, &bts->trx_list, list) {
+			ipaccess_drop_rsl(trx);
+		}
+	} else {
+		vty_out(vty, "Argument must be 'oml' or 'rsl'.%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	return CMD_SUCCESS;
+}
+
 DEFUN(cfg_net,
       cfg_net_cmd,
       "network",
@@ -901,6 +1110,16 @@ DEFUN(cfg_net_ncc,
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_core_net_ncc,
+      cfg_core_net_ncc_cmd,
+      "core network country code <1-999>",
+      "Set the GSM country code to be used in the MSC connection")
+{
+	gsmnet->core_country_code = atoi(argv[0]);
+
+	return CMD_SUCCESS;
+}
+
 DEFUN(cfg_net_mnc,
       cfg_net_mnc_cmd,
       "mobile network code <1-999>",
@@ -911,6 +1130,16 @@ DEFUN(cfg_net_mnc,
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_core_net_mnc,
+      cfg_core_net_mnc_cmd,
+      "core mobile network code <1-999>",
+      "Set the GSM mobile network code to be used in the MSC connection")
+{
+	gsmnet->core_network_code = atoi(argv[0]);
+
+	return CMD_SUCCESS;
+}
+
 DEFUN(cfg_net_name_short,
       cfg_net_name_short_cmd,
       "short name NAME",
@@ -975,6 +1204,7 @@ DEFUN(cfg_net_neci,
       "Set if NECI of cell selection is to be set")
 {
 	gsmnet->neci = atoi(argv[0]);
+	gsm_net_update_ctype(gsmnet);
 	return CMD_SUCCESS;
 }
 
@@ -1061,6 +1291,195 @@ DEFUN(cfg_net_ho_max_distance, cfg_net_ho_max_distance_cmd,
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_net_supported_codecs,
+      cfg_net_supported_codecs_cmd,
+      "codec_list .LIST",
+      "Set the three preferred audio codecs.\n"
+      "Codec List")
+{
+	int saw_fr, saw_hr;
+	int i;
+
+	saw_fr = saw_hr = 0;
+
+	/* free the old list... if it exists */
+	if (gsmnet->audio_support) {
+		talloc_free(gsmnet->audio_support);
+		gsmnet->audio_support = NULL;
+		gsmnet->audio_length = 0;
+	}
+
+	/* create a new array */
+	gsmnet->audio_support =
+			talloc_zero_array(gsmnet, struct gsm_audio_support *, argc);
+	gsmnet->audio_length = argc;
+
+	for (i = 0; i < argc; ++i) {
+		/* check for hrX or frX */
+		if (strlen(argv[i]) != 3
+		    || argv[i][1] != 'r'
+		    || (argv[i][0] != 'h' && argv[i][0] != 'f')
+		    || argv[i][2] < 0x30
+		    || argv[i][2] > 0x39)
+			goto error;
+
+		gsmnet->audio_support[i] = talloc_zero(gsmnet->audio_support,
+						       struct gsm_audio_support);
+		gsmnet->audio_support[i]->ver = atoi(argv[i] + 2);
+
+		if (strncmp("hr", argv[i], 2) == 0) {
+			gsmnet->audio_support[i]->hr = 1;
+			saw_hr = 1;
+		} else if (strncmp("fr", argv[i], 2) == 0) {
+			gsmnet->audio_support[i]->hr = 0;
+			saw_fr = 1;
+		}
+
+		if (saw_hr && saw_fr) {
+			vty_out(vty, "Can not have full-rate and half-rate codec.%s",
+				VTY_NEWLINE);
+			return CMD_ERR_INCOMPLETE;
+		}
+	}
+
+	return CMD_SUCCESS;
+
+error:
+	vty_out(vty, "Codec name must be hrX or frX. Was '%s'%s",
+		argv[i], VTY_NEWLINE);
+	return CMD_ERR_INCOMPLETE;
+}
+
+DEFUN(cfg_net_ipacc_rtp_payload,
+      cfg_net_ipacc_rtp_payload_cmd,
+      "ipacc rtp_payload <0-256>",
+      "Override the RTP payload to use")
+{
+	gsmnet->rtp_payload = atoi(argv[0]) & 0xff;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_net_rtp_base_port,
+      cfg_net_rtp_base_port_cmd,
+      "rtp base <0-65534>",
+      "Base port to use for MGCP RTP")
+{
+	unsigned int port = atoi(argv[0]);
+	if (port > 65534) {
+		vty_out(vty, "%% wrong base port '%s'%s", argv[0], VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	gsmnet->rtp_base_port = port;
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_net_bsc_token,
+      cfg_net_bsc_token_cmd,
+      "bsc_token TOKEN",
+      "A token for the BSC to be sent to the MSC")
+{
+	if (gsmnet->bsc_token)
+		talloc_free(gsmnet->bsc_token);
+	gsmnet->bsc_token = talloc_strdup(gsmnet, argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_net_pag_any_tch,
+      cfg_net_pag_any_tch_cmd,
+      "paging any use tch (0|1)",
+      "Assign a TCH when receiving a Paging Any request")
+{
+	gsmnet->pag_any_tch = atoi(argv[0]);
+	gsm_net_update_ctype(gsmnet);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_net_msc_ip,
+      cfg_net_msc_ip_cmd,
+      "msc ip A.B.C.D",
+      "Set the MSC/MUX IP address.")
+{
+	if (gsmnet->msc_ip)
+		talloc_free(gsmnet->msc_ip);
+	gsmnet->msc_ip = talloc_strdup(gsmnet, argv[0]);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_net_msc_port,
+      cfg_net_msc_port_cmd,
+      "msc port <1-65000>",
+      "Set the MSC/MUX port.")
+{
+	gsmnet->msc_port = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_net_msc_prio,
+      cfg_net_msc_prio_cmd,
+      "msc ip-dscp <0-255>",
+      "Set the IP_TOS socket attribite")
+{
+	gsmnet->msc_ip_dscp = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
+ALIAS_DEPRECATED(cfg_net_msc_prio, cfg_net_msc_ip_tos_cmd,
+      "msc ip-tos <0-255>",
+      "Set the IP_TOS socket attribite\n" "The DSCP to use.\n")
+
+DEFUN(cfg_net_ping_time,
+      cfg_net_ping_time_cmd,
+      "timeout ping NR",
+      "Set the PING interval, negative for not sending PING")
+{
+	gsmnet->ping_timeout = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_net_pong_time,
+      cfg_net_pong_time_cmd,
+      "timeout pong NR",
+      "Set the time to wait for a PONG.")
+{
+	gsmnet->pong_timeout = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_net_grace_ussd,
+      cfg_net_grace_ussd_cmd,
+      "bsc-grace-text .TEXT",
+      "Set the USSD notifcation to be send.\n" "Text to be sent\n")
+{
+	char *data = argv_concat(argv, argc, 1);
+	if (!data)
+		return CMD_WARNING;
+
+	if (gsmnet->ussd_grace_txt)
+		talloc_free(gsmnet->ussd_grace_txt);
+	gsmnet->ussd_grace_txt = talloc_strdup(gsmnet, data);
+	talloc_free(data);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_net_welcome_ussd,
+      cfg_net_welcome_ussd_cmd,
+      "bsc-welcome-text .TEXT",
+      "Set the USSD notification to be sent.\n" "Text to be sent\n")
+{
+	char *data = argv_concat(argv, argc, 1);
+	if (!data)
+		return CMD_WARNING;
+
+	if (gsmnet->ussd_welcome_txt)
+		talloc_free(gsmnet->ussd_welcome_txt);
+	gsmnet->ussd_welcome_txt = talloc_strdup(gsmnet, data);
+	talloc_free(data);
+	return CMD_SUCCESS;
+}
+
 #define DECLARE_TIMER(number, doc) \
     DEFUN(cfg_net_T##number,					\
       cfg_net_T##number##_cmd,					\
@@ -1071,7 +1490,7 @@ DEFUN(cfg_net_ho_max_distance, cfg_net_ho_max_distance_cmd,
 								\
 	if (value < 0 || value > 65535) {			\
 		vty_out(vty, "Timer value %s out of range.%s",	\
-		        argv[0], VTY_NEWLINE);			\
+			argv[0], VTY_NEWLINE);			\
 		return CMD_WARNING;				\
 	}							\
 								\
@@ -1084,13 +1503,22 @@ DECLARE_TIMER(3103, "Set the timeout value for HANDOVER.")
 DECLARE_TIMER(3105, "Currently not used.")
 DECLARE_TIMER(3107, "Currently not used.")
 DECLARE_TIMER(3109, "Currently not used.")
-DECLARE_TIMER(3111, "Currently not used.")
+DECLARE_TIMER(3111, "Set the RSL timeout to wait before releasing the RF Channel.")
 DECLARE_TIMER(3113, "Set the time to try paging a subscriber.")
 DECLARE_TIMER(3115, "Currently not used.")
 DECLARE_TIMER(3117, "Currently not used.")
 DECLARE_TIMER(3119, "Currently not used.")
 DECLARE_TIMER(3141, "Currently not used.")
 
+DEFUN(cfg_net_dtx,
+      cfg_net_dtx_cmd,
+      "dtx-used (0|1)",
+      "Enable the usage of DTX.\n"
+      "DTX is enabled/disabled")
+{
+	gsmnet->dtx_enabled = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
 
 /* per-BTS configuration */
 DEFUN(cfg_bts,
@@ -1337,6 +1765,26 @@ DEFUN(cfg_bts_rach_max_trans,
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_bts_rach_nm_b_thresh,
+      cfg_bts_rach_nm_b_thresh_cmd,
+      "rach nm busy threshold <0-255>",
+      "Set the NM Busy Threshold in DB")
+{
+	struct gsm_bts *bts = vty->index;
+	bts->rach_b_thresh = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bts_rach_nm_ldavg,
+      cfg_bts_rach_nm_ldavg_cmd,
+      "rach nm load average <0-65535>",
+      "Set the NM Loadaver Slots value")
+{
+	struct gsm_bts *bts = vty->index;
+	bts->rach_ldavg_slots = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
 DEFUN(cfg_bts_cell_barred, cfg_bts_cell_barred_cmd,
       "cell barred (0|1)",
       "Should this cell be barred from access?")
@@ -1348,6 +1796,20 @@ DEFUN(cfg_bts_cell_barred, cfg_bts_cell_barred_cmd,
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_bts_rach_ec_allowed, cfg_bts_rach_ec_allowed_cmd,
+      "rach emergency call allowed (0|1)",
+      "Should this cell allow emergency calls?")
+{
+	struct gsm_bts *bts = vty->index;
+
+	if (atoi(argv[0]) == 0)
+		bts->si_common.rach_control.t2 |= 0x4;
+	else
+		bts->si_common.rach_control.t2 &= ~0x4;
+
+	return CMD_SUCCESS;
+}
+
 DEFUN(cfg_bts_ms_max_power, cfg_bts_ms_max_power_cmd,
       "ms max power <0-40>",
       "Maximum transmit power of the MS")
@@ -1495,6 +1957,64 @@ DEFUN(cfg_bts_gprs_nsvc_rip, cfg_bts_gprs_nsvc_rip_cmd,
 	return CMD_SUCCESS;
 }
 
+#define GPRS_TEXT "GPRS Packet Network\n"
+#define NS_TIMERS "(tns-block|tns-block-retries|tns-reset|tns-reset-retries|tns-test|tns-alive|tns-alive-retries)"
+#define NS_TIMERS_HELP	\
+	"(un)blocking Timer (Tns-block) timeout\n"		\
+	"(un)blocking Timer (Tns-block) number of retries\n"	\
+	"Reset Timer (Tns-reset) timeout\n"			\
+	"Reset Timer (Tns-reset) number of retries\n"		\
+	"Test Timer (Tns-test) timeout\n"			\
+
+DEFUN(cfg_bts_gprs_ns_timer, cfg_bts_gprs_ns_timer_cmd,
+	"gprs ns timer " NS_TIMERS " <0-255>",
+	GPRS_TEXT "Network Service\n"
+	"Network Service Timer\n"
+	NS_TIMERS_HELP "Timer Value\n")
+{
+	struct gsm_bts *bts = vty->index;
+	int idx = get_string_value(gprs_ns_timer_strs, argv[0]);
+	int val = atoi(argv[1]);
+
+	if (bts->gprs.mode == BTS_GPRS_NONE) {
+		vty_out(vty, "%% GPRS not enabled on this BTS%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	if (idx < 0 || idx >= ARRAY_SIZE(bts->gprs.nse.timer))
+		return CMD_WARNING;
+
+	bts->gprs.nse.timer[idx] = val;
+
+	return CMD_SUCCESS;
+}
+
+#define BSSGP_TIMERS "(blocking-timer|blocking-retries|unblocking-retries|reset-timer|reset-retries|suspend-timer|suspend-retries|resume-timer|resume-retries|capability-update-timer|capability-update-retries)"
+#define BSSGP_TIMERS_HELP	""
+
+DEFUN(cfg_bts_gprs_cell_timer, cfg_bts_gprs_cell_timer_cmd,
+	"gprs cell timer " BSSGP_TIMERS " <0-255>",
+	GPRS_TEXT "Cell / BSSGP\n"
+	"Cell/BSSGP Timer\n"
+	BSSGP_TIMERS_HELP "Timer Value\n")
+{
+	struct gsm_bts *bts = vty->index;
+	int idx = get_string_value(gprs_bssgp_cfg_strs, argv[0]);
+	int val = atoi(argv[1]);
+
+	if (bts->gprs.mode == BTS_GPRS_NONE) {
+		vty_out(vty, "%% GPRS not enabled on this BTS%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	if (idx < 0 || idx >= ARRAY_SIZE(bts->gprs.cell.timer))
+		return CMD_WARNING;
+
+	bts->gprs.cell.timer[idx] = val;
+
+	return CMD_SUCCESS;
+}
+
 DEFUN(cfg_bts_gprs_rac, cfg_bts_gprs_rac_cmd,
 	"gprs routing area <0-255>",
 	"GPRS Routing Area Code")
@@ -1522,6 +2042,15 @@ DEFUN(cfg_bts_gprs_mode, cfg_bts_gprs_mode_cmd,
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_bts_pag_free, cfg_bts_pag_free_cmd,
+      "paging free FREE_NR",
+      "Only page when having a certain amount of free slots. -1 to disable")
+{
+	struct gsm_bts *bts = vty->index;
+
+	bts->paging.free_chans_need = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
 
 /* per TRX configuration */
 DEFUN(cfg_trx,
@@ -1714,6 +2243,8 @@ int bsc_vty_init(struct gsm_network *net)
 	install_element(VIEW_NODE, &show_trx_cmd);
 	install_element(VIEW_NODE, &show_ts_cmd);
 	install_element(VIEW_NODE, &show_lchan_cmd);
+	install_element(VIEW_NODE, &show_lchan_summary_cmd);
+	install_element(VIEW_NODE, &show_lchan_status_cmd);
 
 	install_element(VIEW_NODE, &show_e1drv_cmd);
 	install_element(VIEW_NODE, &show_e1line_cmd);
@@ -1721,13 +2252,18 @@ int bsc_vty_init(struct gsm_network *net)
 
 	install_element(VIEW_NODE, &show_paging_cmd);
 
-	openbsc_vty_add_cmds();
+	install_element(VIEW_NODE, &drop_bts_cmd);
+	install_element(VIEW_NODE, &test_bts_lchan_alloc_cmd);
 
+	openbsc_vty_add_cmds();
+        
 	install_element(CONFIG_NODE, &cfg_net_cmd);
 	install_node(&net_node, config_write_net);
 	install_default(GSMNET_NODE);
 	install_element(GSMNET_NODE, &cfg_net_ncc_cmd);
+	install_element(GSMNET_NODE, &cfg_core_net_ncc_cmd);
 	install_element(GSMNET_NODE, &cfg_net_mnc_cmd);
+	install_element(GSMNET_NODE, &cfg_core_net_mnc_cmd);
 	install_element(GSMNET_NODE, &cfg_net_name_short_cmd);
 	install_element(GSMNET_NODE, &cfg_net_name_long_cmd);
 	install_element(GSMNET_NODE, &cfg_net_auth_policy_cmd);
@@ -1743,6 +2279,9 @@ int bsc_vty_init(struct gsm_network *net)
 	install_element(GSMNET_NODE, &cfg_net_ho_pwr_interval_cmd);
 	install_element(GSMNET_NODE, &cfg_net_ho_pwr_hysteresis_cmd);
 	install_element(GSMNET_NODE, &cfg_net_ho_max_distance_cmd);
+	install_element(GSMNET_NODE, &cfg_net_supported_codecs_cmd);
+	install_element(GSMNET_NODE, &cfg_net_ipacc_rtp_payload_cmd);
+	install_element(GSMNET_NODE, &cfg_net_rtp_base_port_cmd);
 	install_element(GSMNET_NODE, &cfg_net_T3101_cmd);
 	install_element(GSMNET_NODE, &cfg_net_T3103_cmd);
 	install_element(GSMNET_NODE, &cfg_net_T3105_cmd);
@@ -1754,6 +2293,17 @@ int bsc_vty_init(struct gsm_network *net)
 	install_element(GSMNET_NODE, &cfg_net_T3117_cmd);
 	install_element(GSMNET_NODE, &cfg_net_T3119_cmd);
 	install_element(GSMNET_NODE, &cfg_net_T3141_cmd);
+	install_element(GSMNET_NODE, &cfg_net_dtx_cmd);
+	install_element(GSMNET_NODE, &cfg_net_bsc_token_cmd);
+	install_element(GSMNET_NODE, &cfg_net_pag_any_tch_cmd);
+	install_element(GSMNET_NODE, &cfg_net_msc_ip_cmd);
+	install_element(GSMNET_NODE, &cfg_net_msc_port_cmd);
+	install_element(GSMNET_NODE, &cfg_net_msc_ip_tos_cmd);
+	install_element(GSMNET_NODE, &cfg_net_msc_prio_cmd);
+	install_element(GSMNET_NODE, &cfg_net_ping_time_cmd);
+	install_element(GSMNET_NODE, &cfg_net_pong_time_cmd);
+	install_element(GSMNET_NODE, &cfg_net_grace_ussd_cmd);
+	install_element(GSMNET_NODE, &cfg_net_welcome_ussd_cmd);
 
 	install_element(GSMNET_NODE, &cfg_bts_cmd);
 	install_node(&bts_node, config_write_bts);
@@ -1771,19 +2321,25 @@ int bsc_vty_init(struct gsm_network *net)
 	install_element(BTS_NODE, &cfg_bts_challoc_cmd);
 	install_element(BTS_NODE, &cfg_bts_rach_tx_integer_cmd);
 	install_element(BTS_NODE, &cfg_bts_rach_max_trans_cmd);
+	install_element(BTS_NODE, &cfg_bts_rach_nm_b_thresh_cmd);
+	install_element(BTS_NODE, &cfg_bts_rach_nm_ldavg_cmd);
 	install_element(BTS_NODE, &cfg_bts_cell_barred_cmd);
+	install_element(BTS_NODE, &cfg_bts_rach_ec_allowed_cmd);
 	install_element(BTS_NODE, &cfg_bts_ms_max_power_cmd);
 	install_element(BTS_NODE, &cfg_bts_per_loc_upd_cmd);
 	install_element(BTS_NODE, &cfg_bts_cell_resel_hyst_cmd);
 	install_element(BTS_NODE, &cfg_bts_rxlev_acc_min_cmd);
 	install_element(BTS_NODE, &cfg_bts_gprs_mode_cmd);
+	install_element(BTS_NODE, &cfg_bts_gprs_ns_timer_cmd);
 	install_element(BTS_NODE, &cfg_bts_gprs_rac_cmd);
 	install_element(BTS_NODE, &cfg_bts_gprs_bvci_cmd);
+	install_element(BTS_NODE, &cfg_bts_gprs_cell_timer_cmd);
 	install_element(BTS_NODE, &cfg_bts_gprs_nsei_cmd);
 	install_element(BTS_NODE, &cfg_bts_gprs_nsvci_cmd);
 	install_element(BTS_NODE, &cfg_bts_gprs_nsvc_lport_cmd);
 	install_element(BTS_NODE, &cfg_bts_gprs_nsvc_rport_cmd);
 	install_element(BTS_NODE, &cfg_bts_gprs_nsvc_rip_cmd);
+	install_element(BTS_NODE, &cfg_bts_pag_free_cmd);
 
 	install_element(BTS_NODE, &cfg_trx_cmd);
 	install_node(&trx_node, dummy_config_write);
@@ -1801,6 +2357,8 @@ int bsc_vty_init(struct gsm_network *net)
 	install_element(TS_NODE, &cfg_ts_pchan_cmd);
 	install_element(TS_NODE, &cfg_ts_e1_subslot_cmd);
 
+	abis_nm_vty_init();
+
 	bsc_vty_init_extra(net);
 
 	return 0;

openbsc/src/vty_interface_bsc.c

@@ -0,0 +1,95 @@
+/* OpenBSC interface to quagga VTY - BSC options */
+/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#include <vty/command.h>
+#include <vty/buffer.h>
+#include <vty/vty.h>
+
+#include <openbsc/gsm_data.h>
+#include <openbsc/bsc_msc.h>
+#include <openbsc/vty.h>
+
+#include <osmocom/sccp/sccp.h>
+
+static struct gsm_network *gsmnet = NULL;
+
+extern struct llist_head *bsc_sccp_connections();
+
+DEFUN(show_bsc, show_bsc_cmd, "show bsc",
+	SHOW_STR "Display information about the BSC\n")
+{
+	struct bss_sccp_connection_data *con;
+
+	vty_out(vty, "BSC Information%s", VTY_NEWLINE);
+	llist_for_each_entry(con, bsc_sccp_connections(), active_connections) {
+		vty_out(vty, " Connection: LCHAN: %p sec LCHAN: 0x%p SCCP src: 0x%x dest: 0x%x%s",
+			con->lchan, con->secondary_lchan,
+			con->sccp ? (int) sccp_src_ref_to_int(&con->sccp->source_local_reference) : -1,
+			con->sccp ? (int) sccp_src_ref_to_int(&con->sccp->destination_local_reference) : -1,
+			VTY_NEWLINE);
+	}
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(show_stats,
+      show_stats_cmd,
+      "show statistics",
+	SHOW_STR "Display network statistics\n")
+{
+	struct gsm_network *net = gsmnet;
+
+	openbsc_vty_print_statistics(vty, net);
+	return CMD_SUCCESS;
+}
+
+DEFUN(show_msc,
+      show_msc_cmd,
+      "show msc connection",
+      SHOW_STR "Show the status of the MSC connection.")
+{
+	if (!gsmnet->msc_con) {
+		vty_out(vty, "The MSC is not yet configured.\n");
+		return CMD_WARNING;
+	}
+
+	vty_out(vty, "MSC on %s:%d is connected: %d%s\n",
+		gsmnet->msc_con->ip, gsmnet->msc_con->port,
+		gsmnet->msc_con->is_connected, VTY_NEWLINE);
+
+	return CMD_SUCCESS;
+}
+
+
+int bsc_vty_init_extra(struct gsm_network *net)
+{
+	gsmnet = net;
+
+	/* get runtime information */
+	install_element(VIEW_NODE, &show_bsc_cmd);
+	install_element(VIEW_NODE, &show_stats_cmd);
+	install_element(VIEW_NODE, &show_msc_cmd);
+
+	return 0;
+}

openbsc/src/vty_interface_layer3.c

@@ -58,7 +58,7 @@ static int dummy_config_write(struct vty *v)
 
 static struct buffer *argv_to_buffer(int argc, const char *argv[], int base)
 {
-	struct buffer *b = buffer_new(1024);
+	struct buffer *b = buffer_new(NULL, 1024);
 	int i;
 
 	if (!b)
@@ -73,33 +73,6 @@ static struct buffer *argv_to_buffer(int argc, const char *argv[], int base)
 	return b;
 }
 
-static int hexparse(const char *str, u_int8_t *b, int max_len)
-
-{
-	int i, l, v;
-
-	l = strlen(str);
-	if ((l&1) || ((l>>1) > max_len))
-		return -1;
-
-	memset(b, 0x00, max_len);
-
-	for (i=0; i<l; i++) {
-		char c = str[i];
-		if (c >= '0' && c <= '9')
-			v = c - '0';
-		else if (c >= 'a' && c <= 'f')
-			v = 10 + (c - 'a');
-		else if (c >= 'A' && c <= 'F')
-			v = 10 + (c - 'a');
-		else
-			return -1;
-		b[i>>1] |= v << (i&1 ? 0 : 4);
-	}
-
-	return i>>1;
-}
-
 /* per-subscriber configuration */
 DEFUN(cfg_subscr,
       cfg_subscr_cmd,

openbsc/tests/Makefile.am

@@ -1 +1 @@
-SUBDIRS = debug gsm0408 db channel sccp
+SUBDIRS = debug gsm0408 db channel

openbsc/tests/channel/channel_test.c

@@ -76,6 +76,8 @@ int main(int argc, char** argv)
 void nm_state_event() {}
 void input_event() {}
 void sms_alloc() {}
+void _lchan_release() {}
+void gsm_net_update_ctype(struct gsm_network *network) {}
 
 struct tlv_definition nm_att_tlvdef;
 

openbsc/tests/sccp/Makefile.am

@@ -1,8 +0,0 @@
-INCLUDES = $(all_includes) -I$(top_srcdir)/include
-AM_CFLAGS=-Wall -ggdb3 $(LIBOSMOCORE_CFLAGS)
-
-noinst_PROGRAMS = sccp_test
-
-sccp_test_SOURCES = sccp_test.c
-sccp_test_LDADD = $(top_builddir)/src/libsccp.a $(top_builddir)/src/libbsc.a $(LIBOSMOCORE_LIBS)
-

openbsc/tests/sccp/sccp_test.c

@@ -1,832 +0,0 @@
-/*
- * SCCP testing code
- *
- * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
- * (C) 2009 by On-Waves
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#include <stdio.h>
-
-#include <arpa/inet.h>
-
-#include <openbsc/gsm_data.h>
-#include <openbsc/debug.h>
-#include <osmocore/msgb.h>
-
-#include <sccp/sccp.h>
-
-#define MIN(x, y) ((x) < (y) ? (x) : (y))
-
-/* BSC -> MSC */
-static const u_int8_t bssmap_reset[] = {
-	0x09, 0x00, 0x03, 0x05, 0x07, 0x02, 0x42, 0xfe,
-	0x02, 0x42, 0xfe, 0x06, 0x00, 0x04, 0x30, 0x04,
-	0x01, 0x20,
-};
-
-/* MSC -> BSC reset ack */
-static const u_int8_t bssmap_reset_ack[] = {
-	0x09, 0x00, 0x03, 0x07, 0x0b, 0x04, 0x43, 0x01,
-	0x00, 0xfe, 0x04, 0x43, 0x5c, 0x00, 0xfe, 0x03,
-	0x00, 0x01, 0x31,
-};
-
-/* MSC -> BSC paging, connection less */
-static const u_int8_t bssmap_paging[] = {
-	0x09, 0x00, 0x03, 0x07, 0x0b, 0x04, 0x43, 0x01,
-	0x00, 0xfe, 0x04, 0x43, 0x5c, 0x00, 0xfe, 0x10,
-	0x00, 0x0e, 0x52, 0x08, 0x08, 0x29, 0x47, 0x10,
-	0x02, 0x01, 0x31, 0x97, 0x61, 0x1a, 0x01, 0x06,
-};
-
-/* MSC -> BSC paging, UDT without PC  */
-static const u_int8_t bssmap_udt[] = {
-	0x09, 0x00, 0x03, 0x05, 0x07, 0x02, 0x42, 0xfe,
-	0x02, 0x42, 0xfe, 0x10, 0x00, 0x0e, 0x52, 0x08,
-	0x08, 0x29, 0x47, 0x10, 0x02, 0x01, 0x31, 0x97,
-	0x61, 0x1a, 0x01, 0x06,
-};
-
-/* BSC -> MSC connection open */
-static const u_int8_t bssmap_cr[] = {
-	0x01, 0x01, 0x02, 0x03, 0x02, 0x02, 0x04, 0x02,
-	0x42, 0xfe, 0x0f, 0x1f, 0x00, 0x1d, 0x57, 0x05,
-	0x08, 0x00, 0x72, 0xf4, 0x80, 0x20, 0x12, 0xc3,
-	0x50, 0x17, 0x10, 0x05, 0x24, 0x11, 0x03, 0x33,
-	0x19, 0xa2, 0x08, 0x29, 0x47, 0x10, 0x02, 0x01,
-	0x31, 0x97, 0x61, 0x00
-};
-
-/* MSC -> BSC connection confirm */
-static const u_int8_t bssmap_cc[] = {
-	0x02, 0x01, 0x02, 0x03, 0x00, 0x00, 0x03, 0x02, 0x01, 0x00,
-};
-
-/* MSC -> BSC DTAP
- *
- * we fake a bit and make it BSC -> MSC... so the
- * payload does not make any sense..
- */
-static const u_int8_t bssmap_dtap[] = {
-	0x06, 0x00, 0x00, 0x03, 0x00, 0x01, 0x0f, 0x01, 0x00, 0x0c,
-	0x03, 0x05, 0x5c, 0x08, 0x11, 0x81, 0x33, 0x66, 0x02, 0x13,
-	0x45, 0xf4,
-};
-
-/* MSC -> BSC clear command */
-static const u_int8_t bssmap_clear[] = {
-	0x06, 0x00, 0x00, 0x03, 0x00, 0x01, 0x06, 0x00, 0x04, 0x20,
-	0x04, 0x01, 0x09,
-};
-
-/* MSC -> BSC released */
-static const u_int8_t bssmap_released[] = {
-	0x04, 0x00, 0x00, 0x03, 0x01, 0x02, 0x03, 0x00, 0x01, 0x0f,
-	0x02, 0x23, 0x42, 0x00,
-};
-
-/* BSC -> MSC released */
-static const u_int8_t bssmap_release_complete[] = {
-	0x05, 0x01, 0x02, 0x03, 0x00, 0x00, 0x03
-};
-
-struct test_data {
-	int length;
-	const u_int8_t *data;
-	int payload_start;
-	int payload_length;
-	u_int8_t first_byte;
-
-        /* in case it should trigger a sccp response */
-	int write;
-	const u_int8_t  *response;
-	int response_length;
-};
-
-static const struct test_data test_data[] = {
-	{
-		.length		= ARRAY_SIZE(bssmap_reset),
-		.data		= &bssmap_reset[0],
-		.payload_start	= 12,
-		.payload_length = ARRAY_SIZE(bssmap_reset) - 12,
-		.first_byte	= 0x0,
-	},
-	{
-		.length		= ARRAY_SIZE(bssmap_reset_ack),
-		.data		= &bssmap_reset_ack[0],
-		.payload_start	= 16,
-		.payload_length = ARRAY_SIZE(bssmap_reset_ack) - 16,
-		.first_byte	= 0x0,
-	},
-	{
-		.length		= ARRAY_SIZE(bssmap_paging),
-		.data		= &bssmap_paging[0],
-		.payload_start	= 16,
-		.payload_length = ARRAY_SIZE(bssmap_paging) - 16,
-		.first_byte	= 0x0,
-	},
-	{
-		.length		= ARRAY_SIZE(bssmap_cr),
-		.data		= &bssmap_cr[0],
-		.payload_start	= 12,
-		/* 0x00 is end of optional data, subtract this byte */
-		.payload_length = 31,
-		.first_byte	= 0x0,
-
-		/* the connection request should trigger a connection confirm */
-		.write		= 1,
-		.response	= &bssmap_cc[0],
-		.response_length= ARRAY_SIZE(bssmap_cc),
-	},
-	{
-		.length		= ARRAY_SIZE(bssmap_dtap),
-		.data		= &bssmap_dtap[0],
-		.payload_start	= 7,
-		.payload_length = 15,
-		.first_byte	= 0x01,
-	},
-	{
-		.length		= ARRAY_SIZE(bssmap_clear),
-		.data		= &bssmap_clear[0],
-		.payload_start	= 7,
-		.payload_length = 6,
-		.first_byte	= 0x00,
-	},
-	{
-		.length		= ARRAY_SIZE(bssmap_released),
-		.data		= &bssmap_released[0],
-		.payload_length = 2,
-		.payload_start  = 11,
-		.first_byte	= 0x23,
-
-		.write		= 1,
-		.response	= &bssmap_release_complete[0],
-		.response_length= ARRAY_SIZE(bssmap_release_complete),
-	},
-};
-
-/* we will send UDTs and verify they look like this */
-static const struct test_data send_data[] = {
-	{
-		.length		= ARRAY_SIZE(bssmap_udt),
-		.data		= &bssmap_udt[0],
-		.payload_start	= 12,
-		.payload_length = ARRAY_SIZE(bssmap_udt) - 12,
-		.first_byte	= 0x0,
-	},
-	{
-		.length		= ARRAY_SIZE(bssmap_reset),
-		.data		= &bssmap_reset[0],
-		.payload_start	= 12,
-		.payload_length = ARRAY_SIZE(bssmap_reset) - 12,
-		.first_byte	= 0x0,
-	},
-};
-
-struct connection_test {
-	/* should the connection be refused? */
-	int refuse;
-
-	int with_data;
-
-	/* on which side to close the connection? */
-	int close_side;
-	int close_cause;
-};
-
-/* sccp connection handling we want to test */
-static const struct connection_test connection_tests[] = {
-	{
-		.refuse	= 1,
-	},
-	{
-		.refuse	= 1,
-		.with_data = 1,
-	},
-	{
-		.refuse = 0,
-		.close_side = 0,
-		.close_cause = 5,
-	},
-	{
-		.refuse = 0,
-		.close_side = 0,
-		.close_cause = 5,
-		.with_data = 1,
-	},
-	{
-		.refuse = 0,
-		.close_side = 1,
-		.close_cause = 5,
-	},
-	{
-		.refuse = 0,
-		.close_side = 1,
-		.close_cause = 5,
-		.with_data = 1,
-	},
-};
-
-struct sccp_parse_header_result {
-	/* results */
-	int msg_type;
-	int wanted_len;
-	int src_ssn;
-	int dst_ssn;
-
-	int has_src_ref, has_dst_ref;
-	struct sccp_source_reference src_ref;
-	struct sccp_source_reference dst_ref;
-
-	/* the input */
-	const u_int8_t *input;
-	int input_len;
-};
-
-static const u_int8_t it_test[] = {
-0x10, 0x01, 0x07, 
-0x94, 0x01, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00 };
-
-static const struct sccp_parse_header_result parse_result[] = {
-	{
-		.msg_type	= SCCP_MSG_TYPE_IT,
-		.wanted_len	= 0,
-		.src_ssn	= -1,
-		.dst_ssn	= -1,
-		.has_src_ref	= 1,
-		.has_dst_ref	= 1,
-
-		.src_ref	= {
-			.octet1 = 0x01,
-			.octet2 = 0x04,
-			.octet3 = 0x00
-		},
-		.dst_ref	= {
-			.octet1 = 0x01,
-			.octet2 = 0x07,
-			.octet3 = 0x94,
-		},
-
-		.input		= it_test,
-		.input_len	= sizeof(it_test),
-	},
-};
-
-
-/* testing procedure:
- *	- we will use sccp_write and see what will be set in the
- *	  outgoing callback
- *	- we will call sccp_system_incoming and see which calls
- *	  are made. And then compare it to the ones we expect. We
- *	  want the payload to arrive, or callbacks to be called.
- *	- we will use sccp_connection_socket and sccp_connection_write
- *	  and verify state handling of connections
- */
-
-static int current_test;
-
-/*
- * test state...
- */
-static int called  = 0;
-static int matched = 0;
-static int write_called = 0;
-
-#define FAIL(x, args...) printf("FAILURE in %s:%d: " x, __FILE__, __LINE__, ## args)
-
-/*
- * writing these packets and expecting a result
- */
-int sccp_read_cb(struct msgb *data, unsigned len, void *context)
-{
-	u_int16_t payload_length = test_data[current_test].payload_length;
-	const u_int8_t *got, *wanted;
-	int i;
-
-	called = 1;
-
-	if (msgb_l3len(data) < len) {
-		/* this should never be reached */
-		FAIL("Something horrible happened.. invalid packet..\n");
-		exit(-1);
-	}
-
-	if (len == 0 || len != payload_length) {
-		FAIL("length mismatch: got: %d wanted: %d\n", msgb_l3len(data), payload_length);
-		return -1;
-	}
-
-	if (data->l3h[0] !=  test_data[current_test].first_byte) {
-		FAIL("The first bytes of l3 do not match: 0x%x 0x%x\n",
-			data->l3h[0], test_data[current_test].first_byte);
-		return -1;
-	}
-
-	got = &data->l3h[0];
-	wanted = test_data[current_test].data + test_data[current_test].payload_start;
-
-	for (i = 0; i < len; ++i) {
-		if (got[i] != wanted[i]) {
-			FAIL("Failed to compare byte. Got: 0x%x Wanted: 0x%x at %d\n",
-			     got[i], wanted[i], i);
-			return -1;
-		}
-	}
-
-	matched = 1;
-	return 0;
-}
-
-void sccp_write_cb(struct msgb *data, void *ctx)
-{
-	int i = 0;
-	const u_int8_t *got, *wanted;
-
-	if (test_data[current_test].response == NULL) {
-		FAIL("Didn't expect write callback\n");
-		goto exit;
-	} else if (test_data[current_test].response_length != msgb_l2len(data)) {
-		FAIL("Size does not match. Got: %d Wanted: %d\n",
-		     msgb_l2len(data), test_data[current_test].response_length);
-	}
-
-	got = &data->l2h[0];
-	wanted = test_data[current_test].response;
-
-	for (i = 0; i < msgb_l2len(data); ++i) {
-		if (got[i] != wanted[i]) {
-			FAIL("Failed to compare byte. Got: 0x%x Wanted: 0x%x at %d\n",
-			     got[i], wanted[i], i);
-			goto exit;
-		}
-	}
-
-	write_called = 1;
-
-exit:
-	msgb_free(data);
-}
-
-void sccp_c_read(struct sccp_connection *connection, struct msgb *msgb, unsigned int len)
-{
-	sccp_read_cb(msgb, len, connection->data_ctx);
-}
-
-void sccp_c_state(struct sccp_connection *connection, int old_state)
-{
-	if (connection->connection_state >= SCCP_CONNECTION_STATE_RELEASE_COMPLETE)
-		sccp_connection_free(connection);
-}
-
-int sccp_accept_cb(struct sccp_connection *connection, void *user_data)
-{
-	called = 1;
-	unsigned int ref = 0;
-	ref |= connection->destination_local_reference.octet1 << 24;
-	ref |= connection->destination_local_reference.octet2 << 16;
-	ref |= connection->destination_local_reference.octet3 <<  8;
-	ref = ntohl(ref);
-
-	connection->data_cb = sccp_c_read;
-	connection->state_cb = sccp_c_state;
-
-	/* accept this */
-	return 0;
-}
-
-static void sccp_udt_write_cb(struct msgb *data, void *context)
-{
-	const u_int8_t *got, *wanted;
-	int i;
-
-	write_called = 1;
-
-	if (send_data[current_test].length != msgb_l2len(data)) {
-		FAIL("Size does not match. Got: %d Wanted: %d\n",
-		     msgb_l2len(data), send_data[current_test].length);
-		goto exit;
-	}
-
-	got = &data->l2h[0];
-	wanted = send_data[current_test].data;
-
-	for (i = 0; i < msgb_l2len(data); ++i) {
-		if (got[i] != wanted[i]) {
-			FAIL("Failed to compare byte. Got: 0x%x Wanted: 0x%x at %d\n",
-			     got[i], wanted[i], i);
-			goto exit;
-		}
-	}
-
-	matched = 1;
-
-exit:
-	msgb_free(data);
-}
-
-static void test_sccp_system(void)
-{
-	sccp_system_init(sccp_write_cb, NULL);
-	sccp_set_read(&sccp_ssn_bssap, sccp_read_cb, NULL);
-	sccp_connection_set_incoming(&sccp_ssn_bssap, sccp_accept_cb, NULL);
-
-	for (current_test = 0; current_test < ARRAY_SIZE(test_data); ++current_test) {
-		unsigned int length = test_data[current_test].length;
-		struct msgb *msg = msgb_alloc_headroom(length + 2, 2, __func__);
-		msg->l2h = msgb_put(msg, length);
-		memcpy(msg->l2h, test_data[current_test].data, length);
-
-		called = matched = write_called = 0;
-		printf("Testing packet: %d\n", current_test);
-		sccp_system_incoming(msg);
-
-		if (!called || !matched || (test_data[current_test].write != write_called))
-			FAIL("current test: %d called: %d matched: %d write: %d\n",
-			     current_test, called, matched, write_called);
-
-		msgb_free(msg);
-	}
-}
-
-/* test sending of udt */
-static void test_sccp_send_udt(void)
-{
-	sccp_system_init(sccp_udt_write_cb, NULL);
-	sccp_set_read(NULL, NULL, NULL);
-	sccp_connection_set_incoming(NULL, NULL, NULL);
-
-	for (current_test = 0; current_test < ARRAY_SIZE(send_data); ++current_test) {
-		const struct test_data *test = &send_data[current_test];
-
-		struct msgb *msg = msgb_alloc(test->payload_length, __func__);
-		msg->l3h = msgb_put(msg, test->payload_length);
-		memcpy(msg->l3h, test->data + test->payload_start, test->payload_length);
-
-		matched = write_called = 0;
-		printf("Testing packet: %d\n", current_test);
-		sccp_write(msg, &sccp_ssn_bssap, &sccp_ssn_bssap, 0);
-
-		if (!matched || !write_called)
-			FAIL("current test: %d matched: %d write: %d\n",
-			     current_test, matched, write_called);
-
-		msgb_free(msg);
-	}
-}
-
-/* send udt from one end to another */
-static unsigned int test_value = 0x2442;
-static int sccp_udt_read(struct msgb *data, unsigned int len, void *context)
-{
-	unsigned int *val;
-
-	if (len != 4) {
-		FAIL("Wrong size: %d\n", msgb_l3len(data));
-		return -1;
-	}
-
-	val = (unsigned int*)data->l3h;
-	matched = test_value == *val;
-
-	return 0;
-}
-
-static void sccp_write_loop(struct msgb *data, void *context)
-{
-	/* send it back to us */
-	sccp_system_incoming(data);
-	msgb_free(data);
-}
-
-static void test_sccp_udt_communication(void)
-{
-	struct msgb *data;
-	unsigned int *val;
-
-	sccp_system_init(sccp_write_loop, NULL);
-	sccp_set_read(&sccp_ssn_bssap, sccp_udt_read, NULL);
-	sccp_connection_set_incoming(NULL, NULL, NULL);
-
-
-	data = msgb_alloc(4, "test data");
-	data->l3h = &data->data[0];
-	val = (unsigned int *)msgb_put(data, 4);
-	*val = test_value;
-
-	matched = 0;
-	sccp_write(data, &sccp_ssn_bssap, &sccp_ssn_bssap, 0);
-
-	if (!matched)
-	    FAIL("Talking with us didn't work\n");
-
-	msgb_free(data);
-}
-
-
-/* connection testing... open, send, close */
-static const struct connection_test *current_con_test;
-static struct sccp_connection *outgoing_con;
-static struct sccp_connection *incoming_con;
-static int outgoing_data, incoming_data, incoming_state, outgoing_state;
-
-static struct msgb *test_data1, *test_data2, *test_data3;
-
-static void sccp_conn_in_state(struct sccp_connection *conn, int old_state)
-{
-	printf("\tincome: %d -> %d\n", old_state, conn->connection_state);
-	if (conn->connection_state >= SCCP_CONNECTION_STATE_RELEASE_COMPLETE) {
-		if (conn == incoming_con) {
-			sccp_connection_free(conn);
-			incoming_con = NULL;
-		}
-	}
-}
-
-static void sccp_conn_in_data(struct sccp_connection *conn, struct msgb *msg, unsigned int len)
-{
-	/* compare the data */
-	++incoming_data;
-	printf("\tincoming data: %d\n", len);
-
-	/* compare the data */
-	if (len != 4) {
-		FAIL("Length of packet is wrong: %u %u\n", msgb_l3len(msg), len);
-		return;
-	}
-
-	if (incoming_data == 1) {
-		if (memcmp(msg->l3h, test_data1->l3h, len) != 0) {
-			FAIL("Comparing the data failed: %d\n", incoming_data);
-			incoming_state = 0;
-			printf("Got:    %s\n", hexdump(msg->l3h, len));
-			printf("Wanted: %s\n", hexdump(test_data1->l3h, len));
-
-		}
-	} else if (incoming_data == 2) {
-		if (memcmp(msg->l3h, test_data2->l3h, len) != 0) {
-			FAIL("Comparing the data failed: %d\n", incoming_data);
-			incoming_state = 0;
-			printf("Got:    %s\n", hexdump(msg->l3h, len));
-			printf("Wanted: %s\n", hexdump(test_data2->l3h, len));
-		}
-	}
-
-	/* sending out data */
-	if (incoming_data == 2) {
-		printf("\tReturning data3\n");
-		sccp_connection_write(conn, test_data3);
-	}
-}
-
-static int sccp_conn_accept(struct sccp_connection *conn, void *ctx)
-{
-	printf("\taccept: %p\n", conn);
-	conn->state_cb = sccp_conn_in_state;
-	conn->data_cb = sccp_conn_in_data;
-
-	if (current_con_test->refuse)
-		return -1;
-
-	incoming_con = conn;
-	return 0;
-}
-
-/* callbacks for the outgoing side */
-static void sccp_conn_out_state(struct sccp_connection *conn, int old_state)
-{
-	printf("\toutgoing: %p %d -> %d\n", conn, old_state, conn->connection_state);
-
-	if (conn->connection_state >= SCCP_CONNECTION_STATE_RELEASE_COMPLETE) {
-		if (conn == outgoing_con) {
-			sccp_connection_free(conn);
-			outgoing_con = NULL;
-		}
-	}
-}
-
-static void sccp_conn_out_data(struct sccp_connection *conn, struct msgb *msg, unsigned int len)
-{
-	++outgoing_data;
-	printf("\toutgoing data: %p %d\n", conn, len);
-
-	if (len != 4)
-		FAIL("Length of packet is wrong: %u %u\n", msgb_l3len(msg), len);
-
-	if (outgoing_data == 1) {
-		if (memcmp(msg->l3h, test_data3->l3h, len) != 0) {
-			FAIL("Comparing the data failed\n");
-			outgoing_state = 0;
-		}
-	}
-}
-
-static void do_test_sccp_connection(const struct connection_test *test)
-{
-	int ret;
-
-	current_con_test = test;
-	outgoing_con = incoming_con = 0;
-
-	outgoing_con = sccp_connection_socket();
-	if (!outgoing_con) {
-		FAIL("Connection is NULL\n");
-		return;
-	}
-
-	outgoing_con->state_cb = sccp_conn_out_state;
-	outgoing_con->data_cb = sccp_conn_out_data;
-	outgoing_data = incoming_data = 0;
-	incoming_state = outgoing_state = 1;
-
-	/* start testing */
-	if (test->with_data) {
-		if (sccp_connection_connect(outgoing_con, &sccp_ssn_bssap, test_data1) != 0)
-			FAIL("Binding failed\n");
-	} else {
-		++incoming_data;
-		if (sccp_connection_connect(outgoing_con, &sccp_ssn_bssap, NULL) != 0)
-			FAIL("Binding failed\n");
-	}
-
-	if (test->refuse) {
-		if (outgoing_con)
-			FAIL("Outgoing connection should have been refused.\n");
-	} else {
-		if (!incoming_con)
-			FAIL("Creating incoming didn't work.\n");
-
-		printf("\tWriting test data2\n");
-		sccp_connection_write(outgoing_con, test_data2);
-		sccp_connection_send_it(outgoing_con);
-
-		/* closing connection */
-		if (test->close_side == 0)
-			ret = sccp_connection_close(outgoing_con, 0);
-		else
-			ret = sccp_connection_close(incoming_con, 0);
-
-		if (ret != 0)
-			FAIL("Closing the connection failed\n");
-	}
-
-	/* outgoing should be gone now */
-	if (outgoing_con)
-		FAIL("Outgoing connection was not properly closed\n");
-
-	if (incoming_con)
-		FAIL("Incoming connection was not propery closed.\n");
-
-	if (test->refuse == 0) {
-		if (outgoing_data != 1 || incoming_data != 2) {
-			FAIL("Data sending failed: %d/%d %d/%d\n",
-			     outgoing_data, 1,
-			     incoming_data, 2);
-		}
-	}
-
-	if (!incoming_state || !outgoing_state)
-		FAIL("Failure with the state transition. %d %d\n",
-		     outgoing_state, incoming_state);
-}
-
-static void test_sccp_connection(void)
-{
-	sccp_system_init(sccp_write_loop, NULL);
-	sccp_set_read(NULL, NULL, NULL);
-	sccp_connection_set_incoming(&sccp_ssn_bssap, sccp_conn_accept, NULL);
-
-	test_data1 = msgb_alloc(4, "data1");
-	test_data1->l3h = msgb_put(test_data1, 4);
-	*((unsigned int*)test_data1->l3h) = 0x23421122;
-
-	test_data2 = msgb_alloc(4, "data2");
-	test_data2->l3h = msgb_put(test_data2, 4);
-	*((unsigned int*)test_data2->l3h) = 0x42232211;
-
-	test_data3 = msgb_alloc(4, "data3");
-	test_data3->l3h = msgb_put(test_data3, 4);
-	*((unsigned int*)test_data3->l3h) = 0x2323ff55;
-
-
-	for (current_test = 0; current_test < ARRAY_SIZE(connection_tests); ++current_test) {
-		printf("Testing %d refuse: %d with_data: %d\n",
-			current_test, connection_tests[current_test].refuse,
-			connection_tests[current_test].with_data);
-		do_test_sccp_connection(&connection_tests[current_test]);
-	}
-
-	msgb_free(test_data1);
-	msgb_free(test_data2);
-	msgb_free(test_data3);
-}
-
-/* invalid input */
-static void test_sccp_system_crash(void)
-{
-	printf("trying to provoke a crash with invalid input\n");
-	sccp_set_read(&sccp_ssn_bssap, sccp_read_cb, NULL);
-	sccp_connection_set_incoming(&sccp_ssn_bssap, sccp_accept_cb, NULL);
-
-	for (current_test = 0; current_test < ARRAY_SIZE(test_data); ++current_test) {
-		int original_length = test_data[current_test].length;
-		int length = original_length + 2;
-		int i;
-
-		printf("Testing packet: %d\n", current_test);
-
-		for (i = length; i >= 0; --i) {
-			unsigned int length = MIN(test_data[current_test].length, i);
-			struct msgb *msg = msgb_alloc_headroom(length + 2, 2, __func__);
-			msg->l2h = msgb_put(msg, length);
-			memcpy(msg->l2h, test_data[current_test].data, length);
-			sccp_system_incoming(msg);
-			msgb_free(msg);
-		}
-	}
-
-	printf("survived\n");
-}
-
-static void test_sccp_parsing(void)
-{
-	for (current_test = 0; current_test < ARRAY_SIZE(parse_result); ++current_test) {
-		struct msgb *msg;
-		struct sccp_parse_result result;
-
-		msg = msgb_alloc_headroom(1024, 128, "parse-test");
-		msgb_put(msg, 1);
-		msg->l2h = msgb_put(msg, parse_result[current_test].input_len);
-		memcpy(msg->l2h, parse_result[current_test].input, msgb_l2len(msg));
-
-		memset(&result, 0, sizeof(result));
-		if (sccp_parse_header(msg, &result) != 0) {
-			fprintf(stderr, "Failed to parse test: %d\n", current_test);
-		} else {
-			if (parse_result[current_test].wanted_len != result.data_len) {
-				fprintf(stderr, "Unexpected data length.\n");
-				abort();
-			}
-
-			if (parse_result[current_test].has_src_ref) {
-				if (memcmp(result.source_local_reference,
-					   &parse_result[current_test].src_ref,
-					   sizeof(struct sccp_source_reference)) != 0) {
-					fprintf(stderr, "SRC REF did not match\n");
-					abort();
-				}
-			}
-
-			if (parse_result[current_test].has_dst_ref) {
-				if (memcmp(result.destination_local_reference,
-					   &parse_result[current_test].dst_ref,
-					   sizeof(struct sccp_source_reference)) != 0) {
-					fprintf(stderr, "DST REF did not match\n");
-					abort();
-				}
-			}
-
-			if (parse_result[current_test].src_ssn != -1) {
-				fprintf(stderr, "Not implemented.\n");
-				abort();
-			}
-
-			if (parse_result[current_test].dst_ssn != -1) {
-				fprintf(stderr, "Not implemented.\n");
-				abort();
-			}
-		}
-
-		msgb_free(msg);
-	}
-}
-
-
-int main(int argc, char **argv)
-{
-	test_sccp_system();
-	test_sccp_send_udt();
-	test_sccp_udt_communication();
-	test_sccp_connection();
-	test_sccp_system_crash();
-	test_sccp_parsing();
-	return 0;
-}
-
-void db_store_counter() {}