2008-12-23 20:25:15 +00:00
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/* GSM Mobile Radio Interface Layer 3 messages on the A-bis interface
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* 3GPP TS 04.08 version 7.21.0 Release 1998 / ETSI TS 100 940 V7.21.0 */
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2009-02-03 12:59:45 +00:00
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/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
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2009-01-09 21:27:43 +00:00
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* (C) 2008, 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
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2008-12-25 23:28:35 +00:00
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*
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2008-12-23 20:25:15 +00:00
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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2008-12-30 17:56:55 +00:00
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#include <time.h>
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2008-12-27 01:55:51 +00:00
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#include <netinet/in.h>
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2008-12-23 20:25:15 +00:00
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2008-12-27 21:34:06 +00:00
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#include <openbsc/db.h>
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2008-12-25 23:28:35 +00:00
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#include <openbsc/msgb.h>
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2009-02-11 11:44:12 +00:00
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#include <openbsc/tlv.h>
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2008-12-25 23:28:35 +00:00
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#include <openbsc/debug.h>
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#include <openbsc/gsm_data.h>
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#include <openbsc/gsm_subscriber.h>
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2008-12-28 00:31:09 +00:00
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#include <openbsc/gsm_04_11.h>
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2008-12-25 23:28:35 +00:00
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#include <openbsc/gsm_04_08.h>
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#include <openbsc/abis_rsl.h>
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2009-01-04 21:05:01 +00:00
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#include <openbsc/chan_alloc.h>
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2009-02-09 17:54:43 +00:00
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#include <openbsc/paging.h>
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2009-02-14 22:51:06 +00:00
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#include <openbsc/signal.h>
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2009-05-23 15:51:12 +00:00
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#include <openbsc/trau_frame.h>
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2009-02-19 17:24:39 +00:00
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#include <openbsc/trau_mux.h>
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2009-06-20 20:36:41 +00:00
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#include <openbsc/talloc.h>
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2008-12-23 20:25:15 +00:00
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2008-12-25 23:28:35 +00:00
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#define GSM48_ALLOC_SIZE 1024
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#define GSM48_ALLOC_HEADROOM 128
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2008-12-23 20:25:15 +00:00
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2009-06-10 04:08:54 +00:00
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#define GSM_MAX_FACILITY 128
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#define GSM_MAX_SSVERSION 128
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#define GSM_MAX_USERUSER 128
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2009-06-20 20:36:41 +00:00
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static void *tall_locop_ctx;
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static void *tall_trans_ctx;
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2009-02-16 22:52:23 +00:00
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static const struct tlv_definition rsl_att_tlvdef = {
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.def = {
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[GSM48_IE_MOBILE_ID] = { TLV_TYPE_TLV },
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[GSM48_IE_NAME_LONG] = { TLV_TYPE_TLV },
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[GSM48_IE_NAME_SHORT] = { TLV_TYPE_TLV },
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[GSM48_IE_UTC] = { TLV_TYPE_TV },
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[GSM48_IE_NET_TIME_TZ] = { TLV_TYPE_FIXED, 7 },
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[GSM48_IE_LSA_IDENT] = { TLV_TYPE_TLV },
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[GSM48_IE_BEARER_CAP] = { TLV_TYPE_TLV },
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[GSM48_IE_CAUSE] = { TLV_TYPE_TLV },
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[GSM48_IE_CC_CAP] = { TLV_TYPE_TLV },
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[GSM48_IE_ALERT] = { TLV_TYPE_TLV },
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[GSM48_IE_FACILITY] = { TLV_TYPE_TLV },
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[GSM48_IE_PROGR_IND] = { TLV_TYPE_TLV },
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[GSM48_IE_AUX_STATUS] = { TLV_TYPE_TLV },
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2009-06-10 04:08:54 +00:00
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[GSM48_IE_NOTIFY] = { TLV_TYPE_TV },
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2009-02-16 22:52:23 +00:00
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[GSM48_IE_KPD_FACILITY] = { TLV_TYPE_TV },
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[GSM48_IE_SIGNAL] = { TLV_TYPE_TV },
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2009-06-10 04:08:54 +00:00
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[GSM48_IE_CONN_BCD] = { TLV_TYPE_TLV },
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[GSM48_IE_CONN_SUB] = { TLV_TYPE_TLV },
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2009-02-16 22:52:23 +00:00
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[GSM48_IE_CALLING_BCD] = { TLV_TYPE_TLV },
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[GSM48_IE_CALLING_SUB] = { TLV_TYPE_TLV },
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[GSM48_IE_CALLED_BCD] = { TLV_TYPE_TLV },
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[GSM48_IE_CALLED_SUB] = { TLV_TYPE_TLV },
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[GSM48_IE_REDIR_BCD] = { TLV_TYPE_TLV },
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[GSM48_IE_REDIR_SUB] = { TLV_TYPE_TLV },
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[GSM48_IE_LOWL_COMPAT] = { TLV_TYPE_TLV },
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[GSM48_IE_HIGHL_COMPAT] = { TLV_TYPE_TLV },
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[GSM48_IE_USER_USER] = { TLV_TYPE_TLV },
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[GSM48_IE_SS_VERS] = { TLV_TYPE_TLV },
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[GSM48_IE_MORE_DATA] = { TLV_TYPE_T },
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[GSM48_IE_CLIR_SUPP] = { TLV_TYPE_T },
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[GSM48_IE_CLIR_INVOC] = { TLV_TYPE_T },
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[GSM48_IE_REV_C_SETUP] = { TLV_TYPE_T },
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2009-06-10 04:08:54 +00:00
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[GSM48_IE_REPEAT_CIR] = { TLV_TYPE_T },
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[GSM48_IE_REPEAT_SEQ] = { TLV_TYPE_T },
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2009-02-16 22:52:23 +00:00
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/* FIXME: more elements */
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},
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};
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2009-05-01 18:28:42 +00:00
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static const char *rr_cause_names[] = {
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[GSM48_RR_CAUSE_NORMAL] = "Normal event",
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[GSM48_RR_CAUSE_ABNORMAL_UNSPEC] = "Abnormal release, unspecified",
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[GSM48_RR_CAUSE_ABNORMAL_UNACCT] = "Abnormal release, channel unacceptable",
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[GSM48_RR_CAUSE_ABNORMAL_TIMER] = "Abnormal release, timer expired",
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[GSM48_RR_CAUSE_ABNORMAL_NOACT] = "Abnormal release, no activity on radio path",
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[GSM48_RR_CAUSE_PREMPTIVE_REL] = "Preemptive release",
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[GSM48_RR_CAUSE_HNDOVER_IMP] = "Handover impossible, timing advance out of range",
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[GSM48_RR_CAUSE_CHAN_MODE_UNACCT] = "Channel mode unacceptable",
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[GSM48_RR_CAUSE_FREQ_NOT_IMPL] = "Frequency not implemented",
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[GSM48_RR_CAUSE_CALL_CLEARED] = "Call already cleared",
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[GSM48_RR_CAUSE_SEMANT_INCORR] = "Semantically incorrect message",
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[GSM48_RR_CAUSE_INVALID_MAND_INF] = "Invalid mandatory information",
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[GSM48_RR_CAUSE_MSG_TYPE_N] = "Message type non-existant or not implemented",
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[GSM48_RR_CAUSE_MSG_TYPE_N_COMPAT] = "Message type not compatible with protocol state",
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[GSM48_RR_CAUSE_COND_IE_ERROR] = "Conditional IE error",
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[GSM48_RR_CAUSE_NO_CELL_ALLOC_A] = "No cell allocation available",
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[GSM48_RR_CAUSE_PROT_ERROR_UNSPC] = "Protocol error unspecified",
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};
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2009-06-10 15:11:52 +00:00
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static const char *cc_state_names[] = {
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"NULL",
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"INITIATED",
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"illegal state 2",
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"MO_CALL_PROC",
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"CALL_DELIVERED",
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"illegal state 5",
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"CALL_PRESENT",
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"CALL_RECEIVED",
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"CONNECT_REQUEST",
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"MO_TERM_CALL_CONF",
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"ACTIVE",
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"DISCONNECT_REQ",
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"DISCONNECT_IND",
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"illegal state 13",
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"illegal state 14",
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"illegal state 15",
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"illegal state 16",
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"illegal state 17",
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"illegal state 18",
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"RELEASE_REQ",
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"illegal state 20",
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"illegal state 21",
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"illegal state 22",
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"illegal state 23",
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"illegal state 24",
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"illegal state 25",
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"MO_ORIG_MODIFY",
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"MO_TERM_MODIFY",
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"CONNECT_IND",
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"illegal state 29",
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"illegal state 30",
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"illegal state 31",
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};
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static const char *cc_msg_names[] = {
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"unknown 0x00",
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"ALERTING",
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"CALL_PROC",
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"PROGRESS",
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"ESTAB",
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"SETUP",
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"ESTAB_CONF",
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"CONNECT",
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"CALL_CONF",
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"START_CC",
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"unknown 0x0a",
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"RECALL",
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"unknown 0x0c",
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"unknown 0x0d",
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"EMERG_SETUP",
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"CONNECT_ACK",
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"USER_INFO",
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"unknown 0x11",
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"unknown 0x12",
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"MODIFY_REJECT",
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"unknown 0x14",
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"unknown 0x15",
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"unknown 0x16",
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"MODIFY",
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"HOLD",
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"HOLD_ACK",
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"HOLD_REJ",
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"unknown 0x1b",
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"RETR",
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"RETR_ACK",
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"RETR_REJ",
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"MODIFY_COMPL",
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"unknown 0x20",
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"unknown 0x21",
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"unknown 0x22",
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"unknown 0x23",
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"unknown 0x24",
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"DISCONNECT",
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"unknown 0x26",
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"unknown 0x27",
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"unknown 0x28",
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"unknown 0x29",
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"RELEASE_COMPL",
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"unknown 0x2b",
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"unknown 0x2c",
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"RELEASE",
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"unknown 0x2e",
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"unknown 0x2f",
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"unknown 0x30",
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"STOP_DTMF",
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"STOP_DTMF_ACK",
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"unknown 0x33",
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"STATUS_ENQ",
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"START_DTMF",
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"START_DTMF_ACK",
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"START_DTMF_REJ",
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"unknown 0x38",
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"CONG_CTRL",
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"FACILITY",
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"unknown 0x3b",
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"STATUS",
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"unknown 0x3c",
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"NOTIFY",
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"unknown 0x3f",
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};
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2009-05-01 18:28:42 +00:00
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static char strbuf[64];
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static const char *rr_cause_name(u_int8_t cause)
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{
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if (cause < ARRAY_SIZE(rr_cause_names) &&
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rr_cause_names[cause])
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return rr_cause_names[cause];
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snprintf(strbuf, sizeof(strbuf), "0x%02x", cause);
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return strbuf;
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}
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2009-06-09 20:24:21 +00:00
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static void parse_meas_rep(struct gsm_meas_rep *rep, const u_int8_t *data,
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int len)
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{
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memset(rep, 0, sizeof(*rep));
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if (data[0] & 0x80)
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rep->flags |= MEAS_REP_F_BA1;
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if (data[0] & 0x40)
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rep->flags |= MEAS_REP_F_DTX;
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if (data[1] & 0x40)
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rep->flags |= MEAS_REP_F_VALID;
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rep->rxlev_full = data[0] & 0x3f;
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rep->rxlev_sub = data[1] & 0x3f;
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rep->rxqual_full = (data[3] >> 4) & 0x7;
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rep->rxqual_sub = (data[3] >> 1) & 0x7;
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rep->num_cell = data[4] >> 6 | ((data[3] & 0x01) << 2);
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if (rep->num_cell < 1)
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return;
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/* an encoding nightmare in perfection */
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rep->cell[0].rxlev = data[4] & 0x3f;
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rep->cell[0].bcch_freq = data[5] >> 2;
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rep->cell[0].bsic = ((data[5] & 0x03) << 3) | (data[6] >> 5);
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if (rep->num_cell < 2)
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return;
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rep->cell[1].rxlev = ((data[6] & 0x1f) << 1) | (data[7] >> 7);
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rep->cell[1].bcch_freq = (data[7] >> 2) & 0x1f;
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rep->cell[1].bsic = ((data[7] & 0x03) << 4) | (data[8] >> 4);
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if (rep->num_cell < 3)
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return;
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rep->cell[2].rxlev = ((data[8] & 0x0f) << 2) | (data[9] >> 6);
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rep->cell[2].bcch_freq = (data[9] >> 1) & 0x1f;
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rep->cell[2].bsic = ((data[9] & 0x01) << 6) | (data[10] >> 3);
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if (rep->num_cell < 4)
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return;
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rep->cell[3].rxlev = ((data[10] & 0x07) << 3) | (data[11] >> 5);
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rep->cell[3].bcch_freq = data[11] & 0x1f;
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rep->cell[3].bsic = data[12] >> 2;
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if (rep->num_cell < 5)
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return;
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rep->cell[4].rxlev = ((data[12] & 0x03) << 4) | (data[13] >> 4);
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rep->cell[4].bcch_freq = ((data[13] & 0xf) << 1) | (data[14] >> 7);
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rep->cell[4].bsic = (data[14] >> 1) & 0x3f;
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if (rep->num_cell < 6)
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return;
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rep->cell[5].rxlev = ((data[14] & 0x01) << 5) | (data[15] >> 3);
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rep->cell[5].bcch_freq = ((data[15] & 0x07) << 2) | (data[16] >> 6);
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rep->cell[5].bsic = data[16] & 0x3f;
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}
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2009-06-09 08:27:07 +00:00
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int gsm0408_loc_upd_acc(struct gsm_lchan *lchan, u_int32_t tmsi);
|
2008-12-29 01:55:35 +00:00
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static int gsm48_tx_simple(struct gsm_lchan *lchan,
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u_int8_t pdisc, u_int8_t msg_type);
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2008-12-29 17:44:08 +00:00
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static void schedule_reject(struct gsm_lchan *lchan);
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2009-06-10 15:11:52 +00:00
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void free_trans(struct gsm_trans *trans);
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2008-12-29 01:55:35 +00:00
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2008-12-23 20:25:15 +00:00
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struct gsm_lai {
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u_int16_t mcc;
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u_int16_t mnc;
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|
|
|
u_int16_t lac;
|
|
|
|
};
|
|
|
|
|
2008-12-30 16:18:18 +00:00
|
|
|
static int authorize_everonye = 0;
|
|
|
|
void gsm0408_allow_everyone(int everyone)
|
|
|
|
{
|
|
|
|
printf("Allowing everyone?\n");
|
|
|
|
authorize_everonye = everyone;
|
|
|
|
}
|
|
|
|
|
2008-12-31 18:52:11 +00:00
|
|
|
static int reject_cause = 0;
|
|
|
|
void gsm0408_set_reject_cause(int cause)
|
|
|
|
{
|
|
|
|
reject_cause = cause;
|
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static u_int32_t new_callref = 0x80000001;
|
|
|
|
|
2008-12-31 18:53:57 +00:00
|
|
|
static int authorize_subscriber(struct gsm_loc_updating_operation *loc,
|
|
|
|
struct gsm_subscriber *subscriber)
|
2008-12-30 16:18:18 +00:00
|
|
|
{
|
|
|
|
if (!subscriber)
|
|
|
|
return 0;
|
|
|
|
|
2008-12-31 18:53:57 +00:00
|
|
|
/*
|
|
|
|
* Do not send accept yet as more information should arrive. Some
|
|
|
|
* phones will not send us the information and we will have to check
|
|
|
|
* what we want to do with that.
|
|
|
|
*/
|
|
|
|
if (loc && (loc->waiting_for_imsi || loc->waiting_for_imei))
|
|
|
|
return 0;
|
|
|
|
|
2008-12-30 16:18:18 +00:00
|
|
|
if (authorize_everonye)
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
return subscriber->authorized;
|
|
|
|
}
|
2008-12-29 06:23:46 +00:00
|
|
|
|
2008-12-31 18:53:57 +00:00
|
|
|
static void release_loc_updating_req(struct gsm_lchan *lchan)
|
|
|
|
{
|
2008-12-31 23:59:18 +00:00
|
|
|
if (!lchan->loc_operation)
|
2008-12-31 18:53:57 +00:00
|
|
|
return;
|
|
|
|
|
2009-05-23 05:22:08 +00:00
|
|
|
bsc_del_timer(&lchan->loc_operation->updating_timer);
|
2009-06-20 20:36:41 +00:00
|
|
|
talloc_free(lchan->loc_operation);
|
2008-12-31 18:53:57 +00:00
|
|
|
lchan->loc_operation = 0;
|
2009-01-01 02:59:03 +00:00
|
|
|
put_lchan(lchan);
|
2008-12-31 18:53:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void allocate_loc_updating_req(struct gsm_lchan *lchan)
|
|
|
|
{
|
2009-01-01 03:46:11 +00:00
|
|
|
use_lchan(lchan);
|
2008-12-31 18:53:57 +00:00
|
|
|
release_loc_updating_req(lchan);
|
|
|
|
|
2009-06-20 20:36:41 +00:00
|
|
|
if (!tall_locop_ctx)
|
|
|
|
tall_locop_ctx = talloc_named_const(tall_bsc_ctx, 1,
|
|
|
|
"loc_updating_oper");
|
|
|
|
lchan->loc_operation = talloc(tall_locop_ctx,
|
|
|
|
struct gsm_loc_updating_operation);
|
2008-12-31 18:53:57 +00:00
|
|
|
memset(lchan->loc_operation, 0, sizeof(*lchan->loc_operation));
|
|
|
|
}
|
2008-12-29 06:23:46 +00:00
|
|
|
|
2009-06-09 08:27:07 +00:00
|
|
|
static int gsm0408_authorize(struct gsm_lchan *lchan, struct msgb *msg)
|
|
|
|
{
|
|
|
|
u_int32_t tmsi;
|
|
|
|
|
|
|
|
if (authorize_subscriber(lchan->loc_operation, lchan->subscr)) {
|
|
|
|
db_subscriber_alloc_tmsi(lchan->subscr);
|
|
|
|
subscr_update(lchan->subscr, msg->trx->bts, GSM_SUBSCRIBER_UPDATE_ATTACHED);
|
|
|
|
tmsi = strtoul(lchan->subscr->tmsi, NULL, 10);
|
|
|
|
release_loc_updating_req(lchan);
|
|
|
|
return gsm0408_loc_upd_acc(msg->lchan, tmsi);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-06-06 13:54:35 +00:00
|
|
|
static int gsm0408_handle_lchan_signal(unsigned int subsys, unsigned int signal,
|
|
|
|
void *handler_data, void *signal_data)
|
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
struct gsm_trans *trans, *temp;
|
|
|
|
|
2009-06-06 13:54:35 +00:00
|
|
|
if (subsys != SS_LCHAN || signal != S_LCHAN_UNEXPECTED_RELEASE)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Cancel any outstanding location updating request
|
|
|
|
* operation taking place on the lchan.
|
|
|
|
*/
|
|
|
|
struct gsm_lchan *lchan = (struct gsm_lchan *)handler_data;
|
|
|
|
release_loc_updating_req(lchan);
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
/* Free all transactions that are associated with the released lchan */
|
|
|
|
llist_for_each_entry_safe(trans, temp, &lchan->ts->trx->bts->network->trans_list, entry) {
|
|
|
|
if (trans->lchan == lchan)
|
|
|
|
free_trans(trans);
|
|
|
|
}
|
|
|
|
|
2009-06-06 13:54:35 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This will be ran by the linker when loading the DSO. We use it to
|
|
|
|
* do system initialization, e.g. registration of signal handlers.
|
|
|
|
*/
|
|
|
|
static __attribute__((constructor)) void on_dso_load_0408(void)
|
|
|
|
{
|
|
|
|
register_signal_handler(SS_LCHAN, gsm0408_handle_lchan_signal, NULL);
|
|
|
|
}
|
|
|
|
|
2008-12-23 20:25:15 +00:00
|
|
|
static void to_bcd(u_int8_t *bcd, u_int16_t val)
|
|
|
|
{
|
2008-12-27 01:55:51 +00:00
|
|
|
bcd[2] = val % 10;
|
2008-12-23 20:25:15 +00:00
|
|
|
val = val / 10;
|
|
|
|
bcd[1] = val % 10;
|
|
|
|
val = val / 10;
|
2008-12-27 01:55:51 +00:00
|
|
|
bcd[0] = val % 10;
|
2008-12-23 20:25:15 +00:00
|
|
|
val = val / 10;
|
|
|
|
}
|
|
|
|
|
2008-12-28 16:32:44 +00:00
|
|
|
void gsm0408_generate_lai(struct gsm48_loc_area_id *lai48, u_int16_t mcc,
|
2008-12-23 20:25:15 +00:00
|
|
|
u_int16_t mnc, u_int16_t lac)
|
|
|
|
{
|
|
|
|
u_int8_t bcd[3];
|
|
|
|
|
|
|
|
to_bcd(bcd, mcc);
|
|
|
|
lai48->digits[0] = bcd[0] | (bcd[1] << 4);
|
|
|
|
lai48->digits[1] = bcd[2];
|
|
|
|
|
|
|
|
to_bcd(bcd, mnc);
|
2008-12-27 01:55:51 +00:00
|
|
|
/* FIXME: do we need three-digit MNC? See Table 10.5.3 */
|
|
|
|
#if 0
|
2008-12-25 23:28:35 +00:00
|
|
|
lai48->digits[1] |= bcd[2] << 4;
|
|
|
|
lai48->digits[2] = bcd[0] | (bcd[1] << 4);
|
2008-12-27 01:55:51 +00:00
|
|
|
#else
|
|
|
|
lai48->digits[1] |= 0xf << 4;
|
|
|
|
lai48->digits[2] = bcd[1] | (bcd[2] << 4);
|
|
|
|
#endif
|
2008-12-23 20:25:15 +00:00
|
|
|
|
2008-12-27 01:55:51 +00:00
|
|
|
lai48->lac = htons(lac);
|
2008-12-23 20:25:15 +00:00
|
|
|
}
|
|
|
|
|
2008-12-28 02:26:27 +00:00
|
|
|
#define TMSI_LEN 5
|
2008-12-23 20:25:15 +00:00
|
|
|
#define MID_TMSI_LEN (TMSI_LEN + 2)
|
|
|
|
|
2008-12-28 02:26:27 +00:00
|
|
|
int generate_mid_from_tmsi(u_int8_t *buf, u_int32_t tmsi)
|
2008-12-23 20:25:15 +00:00
|
|
|
{
|
2008-12-29 01:55:35 +00:00
|
|
|
u_int32_t *tptr = (u_int32_t *) &buf[3];
|
2008-12-28 02:26:27 +00:00
|
|
|
|
2008-12-27 01:55:51 +00:00
|
|
|
buf[0] = GSM48_IE_MOBILE_ID;
|
2008-12-27 22:13:43 +00:00
|
|
|
buf[1] = TMSI_LEN;
|
2008-12-27 01:55:51 +00:00
|
|
|
buf[2] = 0xf0 | GSM_MI_TYPE_TMSI;
|
2008-12-28 02:26:27 +00:00
|
|
|
*tptr = htonl(tmsi);
|
|
|
|
|
|
|
|
return 7;
|
2008-12-23 20:25:15 +00:00
|
|
|
}
|
|
|
|
|
2009-02-16 22:52:23 +00:00
|
|
|
static const char bcd_num_digits[] = {
|
|
|
|
'0', '1', '2', '3', '4', '5', '6', '7',
|
|
|
|
'8', '9', '*', '#', 'a', 'b', 'c', '\0'
|
|
|
|
};
|
|
|
|
|
2009-06-10 04:08:54 +00:00
|
|
|
/* decode a 'called/calling/connect party BCD number' as in 10.5.4.7 */
|
|
|
|
int decode_bcd_number(char *output, int output_len, const u_int8_t *bcd_lv,
|
|
|
|
int h_len)
|
2009-02-16 22:52:23 +00:00
|
|
|
{
|
|
|
|
u_int8_t in_len = bcd_lv[0];
|
|
|
|
int i;
|
|
|
|
|
2009-06-10 04:08:54 +00:00
|
|
|
for (i = 1 + h_len; i <= in_len; i++) {
|
2009-02-16 22:52:23 +00:00
|
|
|
/* lower nibble */
|
|
|
|
output_len--;
|
|
|
|
if (output_len <= 1)
|
|
|
|
break;
|
|
|
|
*output++ = bcd_num_digits[bcd_lv[i] & 0xf];
|
|
|
|
|
|
|
|
/* higher nibble */
|
|
|
|
output_len--;
|
|
|
|
if (output_len <= 1)
|
|
|
|
break;
|
|
|
|
*output++ = bcd_num_digits[bcd_lv[i] >> 4];
|
|
|
|
}
|
|
|
|
if (output_len >= 1)
|
|
|
|
*output++ = '\0';
|
|
|
|
|
2009-06-10 04:08:54 +00:00
|
|
|
return 0;
|
2009-02-16 22:52:23 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* convert a single ASCII character to call-control BCD */
|
|
|
|
static int asc_to_bcd(const char asc)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(bcd_num_digits); i++) {
|
|
|
|
if (bcd_num_digits[i] == asc)
|
|
|
|
return i;
|
|
|
|
}
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2009-06-10 04:08:54 +00:00
|
|
|
/* convert a ASCII phone number to 'called/calling/connect party BCD number' */
|
2009-02-16 22:52:23 +00:00
|
|
|
int encode_bcd_number(u_int8_t *bcd_lv, u_int8_t max_len,
|
2009-06-10 04:08:54 +00:00
|
|
|
int h_len, const char *input)
|
2009-02-16 22:52:23 +00:00
|
|
|
{
|
|
|
|
int in_len = strlen(input);
|
|
|
|
int i;
|
2009-06-10 04:08:54 +00:00
|
|
|
u_int8_t *bcd_cur = bcd_lv + 1 + h_len;
|
2009-02-16 22:52:23 +00:00
|
|
|
|
|
|
|
/* two digits per byte, plus type byte */
|
2009-06-10 04:08:54 +00:00
|
|
|
bcd_lv[0] = in_len/2 + h_len;
|
2009-02-16 22:52:23 +00:00
|
|
|
if (in_len % 2)
|
|
|
|
bcd_lv[0]++;
|
|
|
|
|
2009-06-10 04:08:54 +00:00
|
|
|
if (bcd_lv[0] > max_len)
|
|
|
|
return -EIO;
|
2009-02-16 22:52:23 +00:00
|
|
|
|
|
|
|
for (i = 0; i < in_len; i++) {
|
|
|
|
int rc = asc_to_bcd(input[i]);
|
|
|
|
if (rc < 0)
|
|
|
|
return rc;
|
|
|
|
if (i % 2 == 0)
|
|
|
|
*bcd_cur = rc;
|
|
|
|
else
|
|
|
|
*bcd_cur++ |= (rc << 4);
|
|
|
|
}
|
|
|
|
/* append padding nibble in case of odd length */
|
|
|
|
if (i % 2)
|
|
|
|
*bcd_cur++ |= 0xf0;
|
|
|
|
|
|
|
|
/* return how many bytes we used */
|
|
|
|
return (bcd_cur - bcd_lv);
|
|
|
|
}
|
|
|
|
|
2009-06-10 04:08:54 +00:00
|
|
|
/* decode 'bearer capability' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int decode_bearer_cap(struct gsm_mncc_bearer_cap *bcap,
|
2009-06-10 04:08:54 +00:00
|
|
|
const u_int8_t *lv)
|
|
|
|
{
|
|
|
|
u_int8_t in_len = lv[0];
|
|
|
|
int i, s;
|
|
|
|
|
|
|
|
if (in_len < 1)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
bcap->speech_ver[0] = -1; /* end of list, of maximum 7 values */
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
/* octet 3 */
|
2009-06-10 15:11:52 +00:00
|
|
|
bcap->transfer = lv[1] & 0x07;
|
|
|
|
bcap->mode = (lv[1] & 0x08) >> 3;
|
|
|
|
bcap->coding = (lv[1] & 0x10) >> 4;
|
|
|
|
bcap->radio = (lv[1] & 0x60) >> 5;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
i = 1;
|
|
|
|
s = 0;
|
|
|
|
while(!(lv[i] & 0x80)) {
|
|
|
|
i++; /* octet 3a etc */
|
|
|
|
if (in_len < i)
|
|
|
|
return 0;
|
2009-06-10 15:11:52 +00:00
|
|
|
bcap->speech_ver[s++] = lv[i] & 0x0f;
|
|
|
|
bcap->speech_ver[s] = -1; /* end of list */
|
2009-06-10 04:08:54 +00:00
|
|
|
if (i == 2) /* octet 3a */
|
2009-06-10 15:11:52 +00:00
|
|
|
bcap->speech_ctm = (lv[i] & 0x20) >> 5;
|
2009-06-10 04:08:54 +00:00
|
|
|
if (s == 7) /* maximum speech versions + end of list */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'bearer capability' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int encode_bearer_cap(struct msgb *msg, int lv_only,
|
|
|
|
const struct gsm_mncc_bearer_cap *bcap)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
|
|
|
u_int8_t lv[32 + 1];
|
|
|
|
int i, s;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[1] = bcap->transfer;
|
|
|
|
lv[1] |= bcap->mode << 3;
|
|
|
|
lv[1] |= bcap->coding << 4;
|
|
|
|
lv[1] |= bcap->radio << 5;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
i = 1;
|
2009-06-10 15:11:52 +00:00
|
|
|
for (s = 0; bcap->speech_ver[s] >= 0; s++) {
|
2009-06-10 04:08:54 +00:00
|
|
|
i++; /* octet 3a etc */
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[i] = bcap->speech_ver[s];
|
2009-06-10 04:08:54 +00:00
|
|
|
if (i == 2) /* octet 3a */
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[i] |= bcap->speech_ctm << 5;
|
2009-06-10 04:08:54 +00:00
|
|
|
}
|
|
|
|
lv[i] |= 0x80; /* last IE of octet 3 etc */
|
|
|
|
|
|
|
|
lv[0] = i;
|
|
|
|
if (lv_only)
|
|
|
|
msgb_lv_put(msg, lv[0], lv+1);
|
|
|
|
else
|
|
|
|
msgb_tlv_put(msg, GSM48_IE_BEARER_CAP, lv[0], lv+1);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* decode 'call control cap' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int decode_cccap(struct gsm_mncc_cccap *ccap, const u_int8_t *lv)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
|
|
|
u_int8_t in_len = lv[0];
|
|
|
|
|
|
|
|
if (in_len < 1)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
/* octet 3 */
|
2009-06-10 15:11:52 +00:00
|
|
|
ccap->dtmf = lv[1] & 0x01;
|
|
|
|
ccap->pcp = (lv[1] & 0x02) >> 1;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* decode 'called party BCD number' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int decode_called(struct gsm_mncc_number *called,
|
|
|
|
const u_int8_t *lv)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
|
|
|
u_int8_t in_len = lv[0];
|
|
|
|
|
|
|
|
if (in_len < 1)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
/* octet 3 */
|
2009-06-10 15:11:52 +00:00
|
|
|
called->plan = lv[1] & 0x0f;
|
|
|
|
called->type = (lv[1] & 0x70) >> 4;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
/* octet 4..N */
|
2009-06-10 15:11:52 +00:00
|
|
|
decode_bcd_number(called->number, sizeof(called->number), lv, 1);
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'called party BCD number' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int encode_called(struct msgb *msg,
|
|
|
|
const struct gsm_mncc_number *called)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
|
|
|
u_int8_t lv[18];
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
/* octet 3 */
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[1] = called->plan;
|
|
|
|
lv[1] |= called->type << 4;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
/* octet 4..N, octet 2 */
|
2009-06-10 15:11:52 +00:00
|
|
|
ret = encode_bcd_number(lv, sizeof(lv), 1, called->number);
|
2009-06-10 04:08:54 +00:00
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
msgb_tlv_put(msg, GSM48_IE_CALLED_BCD, lv[0], lv+1);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode callerid of various IEs */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int encode_callerid(struct msgb *msg, int ie,
|
|
|
|
const struct gsm_mncc_number *callerid)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
|
|
|
u_int8_t lv[13];
|
|
|
|
int h_len = 1;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
/* octet 3 */
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[1] = callerid->plan;
|
|
|
|
lv[1] |= callerid->type << 4;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (callerid->present || callerid->screen) {
|
2009-06-10 04:08:54 +00:00
|
|
|
/* octet 3a */
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[2] = callerid->screen;
|
|
|
|
lv[2] |= callerid->present << 5;
|
2009-06-10 04:08:54 +00:00
|
|
|
lv[2] |= 0x80;
|
|
|
|
h_len++;
|
|
|
|
} else
|
|
|
|
lv[1] |= 0x80;
|
|
|
|
|
|
|
|
/* octet 4..N, octet 2 */
|
2009-06-10 15:11:52 +00:00
|
|
|
ret = encode_bcd_number(lv, sizeof(lv), h_len, callerid->number);
|
2009-06-10 04:08:54 +00:00
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
msgb_tlv_put(msg, ie, lv[0], lv+1);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* decode 'cause' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int decode_cause(struct gsm_mncc_cause *cause,
|
2009-06-10 04:08:54 +00:00
|
|
|
const u_int8_t *lv)
|
|
|
|
{
|
|
|
|
u_int8_t in_len = lv[0];
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if (in_len < 2)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
cause->diag_len = 0;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
/* octet 3 */
|
2009-06-10 15:11:52 +00:00
|
|
|
cause->location = lv[1] & 0x0f;
|
|
|
|
cause->coding = (lv[1] & 0x60) >> 5;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
i = 1;
|
|
|
|
if (!(lv[i] & 0x80)) {
|
|
|
|
i++; /* octet 3a */
|
|
|
|
if (in_len < i+1)
|
|
|
|
return 0;
|
2009-06-10 15:11:52 +00:00
|
|
|
cause->rec = 1;
|
|
|
|
cause->rec_val = lv[i] & 0x7f;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
|
|
|
|
/* octet 4 */
|
2009-06-10 15:11:52 +00:00
|
|
|
cause->value = lv[i] & 0x7f;
|
2009-06-10 04:08:54 +00:00
|
|
|
i++;
|
|
|
|
|
|
|
|
if (in_len < i) /* no diag */
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
if (in_len - (i-1) > 32) /* maximum 32 octets */
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* octet 5-N */
|
2009-06-10 15:11:52 +00:00
|
|
|
memcpy(cause->diag, lv + i, in_len - (i-1));
|
|
|
|
cause->diag_len = in_len - (i-1);
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'cause' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int encode_cause(struct msgb *msg, int lv_only,
|
|
|
|
const struct gsm_mncc_cause *cause)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
|
|
|
u_int8_t lv[32+4];
|
|
|
|
int i;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (cause->diag_len > 32)
|
2009-06-10 04:08:54 +00:00
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
/* octet 3 */
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[1] = cause->location;
|
|
|
|
lv[1] |= cause->coding << 5;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
i = 1;
|
2009-06-10 15:11:52 +00:00
|
|
|
if (cause->rec) {
|
2009-06-10 04:08:54 +00:00
|
|
|
i++; /* octet 3a */
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[i] = cause->rec_val;
|
2009-06-10 04:08:54 +00:00
|
|
|
}
|
|
|
|
lv[i] |= 0x80; /* end of octet 3 */
|
|
|
|
|
|
|
|
/* octet 4 */
|
|
|
|
i++;
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[i] = 0x80 | cause->value;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
/* octet 5-N */
|
2009-06-10 15:11:52 +00:00
|
|
|
if (cause->diag_len) {
|
|
|
|
memcpy(lv + i, cause->diag, cause->diag_len);
|
|
|
|
i += cause->diag_len;
|
2009-06-10 04:08:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
lv[0] = i;
|
|
|
|
if (lv_only)
|
|
|
|
msgb_lv_put(msg, lv[0], lv+1);
|
|
|
|
else
|
|
|
|
msgb_tlv_put(msg, GSM48_IE_CAUSE, lv[0], lv+1);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'calling number' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int encode_calling(struct msgb *msg,
|
|
|
|
const struct gsm_mncc_number *calling)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
return encode_callerid(msg, GSM48_IE_CALLING_BCD, calling);
|
2009-06-10 04:08:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'connected number' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int encode_connected(struct msgb *msg,
|
|
|
|
const struct gsm_mncc_number *connected)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
return encode_callerid(msg, GSM48_IE_CONN_BCD, connected);
|
2009-06-10 04:08:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'redirecting number' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int encode_redirecting(struct msgb *msg,
|
|
|
|
const struct gsm_mncc_number *redirecting)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
return encode_callerid(msg, GSM48_IE_REDIR_BCD, redirecting);
|
2009-06-10 04:08:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* decode 'facility' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int decode_facility(struct gsm_mncc_facility *facility,
|
2009-06-10 04:08:54 +00:00
|
|
|
const u_int8_t *lv)
|
|
|
|
{
|
|
|
|
u_int8_t in_len = lv[0];
|
|
|
|
|
|
|
|
if (in_len < 1)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (in_len > sizeof(facility->info))
|
2009-06-10 04:08:54 +00:00
|
|
|
return -EINVAL;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
memcpy(facility->info, lv+1, in_len);
|
|
|
|
facility->len = in_len;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'facility' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int encode_facility(struct msgb *msg, int lv_only,
|
|
|
|
const struct gsm_mncc_facility *facility)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
|
|
|
u_int8_t lv[GSM_MAX_FACILITY + 1];
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (facility->len < 1 || facility->len > GSM_MAX_FACILITY)
|
2009-06-10 04:08:54 +00:00
|
|
|
return -EINVAL;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
memcpy(lv+1, facility->info, facility->len);
|
|
|
|
lv[0] = facility->len;
|
2009-06-10 04:08:54 +00:00
|
|
|
if (lv_only)
|
|
|
|
msgb_lv_put(msg, lv[0], lv+1);
|
|
|
|
else
|
|
|
|
msgb_tlv_put(msg, GSM48_IE_FACILITY, lv[0], lv+1);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* decode 'notify' */
|
|
|
|
static int decode_notify(int *notify, const u_int8_t *v)
|
|
|
|
{
|
|
|
|
*notify = v[0] & 0x7f;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'notify' */
|
|
|
|
static int encode_notify(struct msgb *msg, int notify)
|
|
|
|
{
|
|
|
|
msgb_v_put(msg, notify | 0x80);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'signal' */
|
|
|
|
static int encode_signal(struct msgb *msg, int signal)
|
|
|
|
{
|
|
|
|
msgb_tv_put(msg, GSM48_IE_SIGNAL, signal);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* decode 'keypad' */
|
|
|
|
static int decode_keypad(int *keypad, const u_int8_t *lv)
|
|
|
|
{
|
|
|
|
u_int8_t in_len = lv[0];
|
|
|
|
|
|
|
|
if (in_len < 1)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
*keypad = lv[1] & 0x7f;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'keypad' */
|
|
|
|
static int encode_keypad(struct msgb *msg, int keypad)
|
|
|
|
{
|
|
|
|
msgb_tv_put(msg, GSM48_IE_KPD_FACILITY, keypad);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* decode 'progress' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int decode_progress(struct gsm_mncc_progress *progress,
|
2009-06-10 04:08:54 +00:00
|
|
|
const u_int8_t *lv)
|
|
|
|
{
|
|
|
|
u_int8_t in_len = lv[0];
|
|
|
|
|
|
|
|
if (in_len < 2)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
progress->coding = (lv[1] & 0x60) >> 5;
|
|
|
|
progress->location = lv[1] & 0x0f;
|
|
|
|
progress->descr = lv[2] & 0x7f;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'progress' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int encode_progress(struct msgb *msg, int lv_only,
|
|
|
|
const struct gsm_mncc_progress *p)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
|
|
|
u_int8_t lv[3];
|
|
|
|
|
|
|
|
lv[0] = 2;
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[1] = 0x80 | ((p->coding & 0x3) << 5) | (p->location & 0xf);
|
|
|
|
lv[2] = 0x80 | (p->descr & 0x7f);
|
2009-06-10 04:08:54 +00:00
|
|
|
if (lv_only)
|
|
|
|
msgb_lv_put(msg, lv[0], lv+1);
|
|
|
|
else
|
|
|
|
msgb_tlv_put(msg, GSM48_IE_PROGR_IND, lv[0], lv+1);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* decode 'user-user' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int decode_useruser(struct gsm_mncc_useruser *uu,
|
2009-06-10 04:08:54 +00:00
|
|
|
const u_int8_t *lv)
|
|
|
|
{
|
|
|
|
u_int8_t in_len = lv[0];
|
2009-06-10 15:11:52 +00:00
|
|
|
char *info = uu->info;
|
|
|
|
int info_len = sizeof(uu->info);
|
2009-06-10 04:08:54 +00:00
|
|
|
int i;
|
|
|
|
|
|
|
|
if (in_len < 1)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
uu->proto = lv[1];
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
for (i = 2; i <= in_len; i++) {
|
|
|
|
info_len--;
|
|
|
|
if (info_len <= 1)
|
|
|
|
break;
|
|
|
|
*info++ = lv[i];
|
|
|
|
}
|
|
|
|
if (info_len >= 1)
|
|
|
|
*info++ = '\0';
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'useruser' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int encode_useruser(struct msgb *msg, int lv_only,
|
|
|
|
const struct gsm_mncc_useruser *uu)
|
2009-06-10 04:08:54 +00:00
|
|
|
{
|
|
|
|
u_int8_t lv[GSM_MAX_USERUSER + 2];
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (strlen(uu->info) > GSM_MAX_USERUSER)
|
2009-06-10 04:08:54 +00:00
|
|
|
return -EINVAL;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
lv[0] = 1 + strlen(uu->info);
|
|
|
|
lv[1] = uu->proto;
|
|
|
|
memcpy(lv + 2, uu->info, strlen(uu->info));
|
2009-06-10 04:08:54 +00:00
|
|
|
if (lv_only)
|
|
|
|
msgb_lv_put(msg, lv[0], lv+1);
|
|
|
|
else
|
|
|
|
msgb_tlv_put(msg, GSM48_IE_USER_USER, lv[0], lv+1);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* decode 'ss version' */
|
2009-06-10 15:11:52 +00:00
|
|
|
static int decode_ssversion(struct gsm_mncc_ssversion *ssv,
|
2009-06-10 04:08:54 +00:00
|
|
|
const u_int8_t *lv)
|
|
|
|
{
|
|
|
|
u_int8_t in_len = lv[0];
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (in_len < 1 || in_len < sizeof(ssv->info))
|
2009-06-10 04:08:54 +00:00
|
|
|
return -EINVAL;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
memcpy(ssv->info, lv + 1, in_len);
|
|
|
|
ssv->len = in_len;
|
2009-06-10 04:08:54 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* encode 'more data' */
|
|
|
|
static int encode_more(struct msgb *msg)
|
|
|
|
{
|
|
|
|
u_int8_t *ie;
|
|
|
|
|
|
|
|
ie = msgb_put(msg, 1);
|
|
|
|
ie[0] = GSM48_IE_MORE_DATA;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-01-04 03:52:50 +00:00
|
|
|
struct msgb *gsm48_msgb_alloc(void)
|
2008-12-25 23:28:35 +00:00
|
|
|
{
|
2009-06-26 17:39:35 +00:00
|
|
|
return msgb_alloc_headroom(GSM48_ALLOC_SIZE, GSM48_ALLOC_HEADROOM,
|
|
|
|
"GSM 04.08");
|
2008-12-25 23:28:35 +00:00
|
|
|
}
|
|
|
|
|
2009-01-04 03:55:31 +00:00
|
|
|
int gsm48_sendmsg(struct msgb *msg)
|
2008-12-23 20:25:15 +00:00
|
|
|
{
|
2008-12-29 01:55:35 +00:00
|
|
|
if (msg->lchan) {
|
2009-06-10 15:11:52 +00:00
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msg->data;
|
2008-12-25 23:28:35 +00:00
|
|
|
msg->trx = msg->lchan->ts->trx;
|
2008-12-23 20:25:15 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if ((gh->proto_discr & GSM48_PDISC_MASK) == GSM48_PDISC_CC)
|
|
|
|
DEBUGP(DCC, "(bts %d trx %d ts %d ti %02x) "
|
|
|
|
"Sending '%s' to MS.\n", msg->trx->bts->nr,
|
|
|
|
msg->trx->nr, msg->lchan->ts->nr,
|
|
|
|
gh->proto_discr & 0xf0,
|
|
|
|
cc_msg_names[gh->msg_type & 0x3f]);
|
|
|
|
else
|
|
|
|
DEBUGP(DCC, "(bts %d trx %d ts %d pd %02x) "
|
|
|
|
"Sending 0x%02x to MS.\n", msg->trx->bts->nr,
|
|
|
|
msg->trx->nr, msg->lchan->ts->nr,
|
|
|
|
gh->proto_discr, gh->msg_type);
|
2008-12-29 01:55:35 +00:00
|
|
|
}
|
|
|
|
|
2008-12-27 01:55:51 +00:00
|
|
|
msg->l3h = msg->data;
|
|
|
|
|
2008-12-25 23:28:35 +00:00
|
|
|
return rsl_data_request(msg, 0);
|
2008-12-23 20:25:15 +00:00
|
|
|
}
|
|
|
|
|
2008-12-30 13:28:30 +00:00
|
|
|
/* Chapter 9.2.14 : Send LOCATION UPDATING REJECT */
|
2008-12-25 23:28:35 +00:00
|
|
|
int gsm0408_loc_upd_rej(struct gsm_lchan *lchan, u_int8_t cause)
|
2008-12-23 20:25:15 +00:00
|
|
|
{
|
2008-12-25 23:28:35 +00:00
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
2008-12-23 20:25:15 +00:00
|
|
|
struct gsm48_hdr *gh;
|
|
|
|
|
2008-12-25 23:28:35 +00:00
|
|
|
msg->lchan = lchan;
|
2008-12-23 20:25:15 +00:00
|
|
|
|
|
|
|
gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
|
|
|
|
gh->proto_discr = GSM48_PDISC_MM;
|
2008-12-27 19:53:37 +00:00
|
|
|
gh->msg_type = GSM48_MT_MM_LOC_UPD_REJECT;
|
2008-12-23 20:25:15 +00:00
|
|
|
gh->data[0] = cause;
|
|
|
|
|
2008-12-30 17:56:55 +00:00
|
|
|
DEBUGP(DMM, "-> LOCATION UPDATING REJECT on channel: %d\n", lchan->nr);
|
|
|
|
|
2008-12-29 01:55:35 +00:00
|
|
|
return gsm48_sendmsg(msg);
|
2008-12-23 20:25:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Chapter 9.2.13 : Send LOCATION UPDATE ACCEPT */
|
2008-12-27 21:34:06 +00:00
|
|
|
int gsm0408_loc_upd_acc(struct gsm_lchan *lchan, u_int32_t tmsi)
|
2008-12-23 20:25:15 +00:00
|
|
|
{
|
2008-12-25 23:28:35 +00:00
|
|
|
struct gsm_bts *bts = lchan->ts->trx->bts;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
2008-12-23 20:25:15 +00:00
|
|
|
struct gsm48_hdr *gh;
|
|
|
|
struct gsm48_loc_area_id *lai;
|
|
|
|
u_int8_t *mid;
|
2008-12-29 06:23:46 +00:00
|
|
|
int ret;
|
2008-12-23 20:25:15 +00:00
|
|
|
|
2008-12-25 23:28:35 +00:00
|
|
|
msg->lchan = lchan;
|
2008-12-23 20:25:15 +00:00
|
|
|
|
|
|
|
gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
gh->proto_discr = GSM48_PDISC_MM;
|
|
|
|
gh->msg_type = GSM48_MT_MM_LOC_UPD_ACCEPT;
|
|
|
|
|
|
|
|
lai = (struct gsm48_loc_area_id *) msgb_put(msg, sizeof(*lai));
|
2008-12-28 16:32:44 +00:00
|
|
|
gsm0408_generate_lai(lai, bts->network->country_code,
|
2008-12-23 20:25:15 +00:00
|
|
|
bts->network->network_code, bts->location_area_code);
|
|
|
|
|
|
|
|
mid = msgb_put(msg, MID_TMSI_LEN);
|
|
|
|
generate_mid_from_tmsi(mid, tmsi);
|
|
|
|
|
|
|
|
DEBUGP(DMM, "-> LOCATION UPDATE ACCEPT\n");
|
|
|
|
|
2008-12-30 17:56:55 +00:00
|
|
|
ret = gsm48_sendmsg(msg);
|
|
|
|
|
|
|
|
ret = gsm48_tx_mm_info(lchan);
|
|
|
|
|
2008-12-29 06:23:46 +00:00
|
|
|
return ret;
|
2008-12-23 20:25:15 +00:00
|
|
|
}
|
|
|
|
|
2008-12-27 10:19:37 +00:00
|
|
|
static char bcd2char(u_int8_t bcd)
|
|
|
|
{
|
|
|
|
if (bcd < 0xa)
|
|
|
|
return '0' + bcd;
|
|
|
|
else
|
|
|
|
return 'A' + (bcd - 0xa);
|
|
|
|
}
|
|
|
|
|
2009-02-03 12:59:45 +00:00
|
|
|
/* Convert Mobile Identity (10.5.1.4) to string */
|
2008-12-27 10:19:37 +00:00
|
|
|
static int mi_to_string(char *string, int str_len, u_int8_t *mi, int mi_len)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
u_int8_t mi_type;
|
|
|
|
char *str_cur = string;
|
2009-01-10 03:17:30 +00:00
|
|
|
u_int32_t tmsi;
|
2008-12-27 10:19:37 +00:00
|
|
|
|
|
|
|
mi_type = mi[0] & GSM_MI_TYPE_MASK;
|
|
|
|
|
|
|
|
switch (mi_type) {
|
|
|
|
case GSM_MI_TYPE_NONE:
|
|
|
|
break;
|
|
|
|
case GSM_MI_TYPE_TMSI:
|
2009-01-10 03:17:30 +00:00
|
|
|
/* Table 10.5.4.3, reverse generate_mid_from_tmsi */
|
|
|
|
if (mi_len == TMSI_LEN && mi[0] == (0xf0 | GSM_MI_TYPE_TMSI)) {
|
|
|
|
memcpy(&tmsi, &mi[1], 4);
|
|
|
|
tmsi = ntohl(tmsi);
|
|
|
|
return snprintf(string, str_len, "%u", tmsi);
|
2008-12-27 10:19:37 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case GSM_MI_TYPE_IMSI:
|
|
|
|
case GSM_MI_TYPE_IMEI:
|
|
|
|
case GSM_MI_TYPE_IMEISV:
|
2008-12-30 17:56:55 +00:00
|
|
|
*str_cur++ = bcd2char(mi[0] >> 4);
|
|
|
|
|
|
|
|
for (i = 1; i < mi_len; i++) {
|
2008-12-27 10:19:37 +00:00
|
|
|
if (str_cur + 2 >= string + str_len)
|
|
|
|
return str_cur - string;
|
|
|
|
*str_cur++ = bcd2char(mi[i] & 0xf);
|
2008-12-30 17:56:55 +00:00
|
|
|
/* skip last nibble in last input byte when GSM_EVEN */
|
|
|
|
if( (i != mi_len-1) || (mi[0] & GSM_MI_ODD))
|
|
|
|
*str_cur++ = bcd2char(mi[i] >> 4);
|
2008-12-27 10:19:37 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
*str_cur++ = '\0';
|
2008-12-30 17:56:55 +00:00
|
|
|
|
2008-12-27 10:19:37 +00:00
|
|
|
return str_cur - string;
|
|
|
|
}
|
|
|
|
|
2009-02-03 12:59:45 +00:00
|
|
|
/* Transmit Chapter 9.2.10 Identity Request */
|
2008-12-27 11:15:38 +00:00
|
|
|
static int mm_tx_identity_req(struct gsm_lchan *lchan, u_int8_t id_type)
|
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh;
|
|
|
|
|
|
|
|
msg->lchan = lchan;
|
|
|
|
|
|
|
|
gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
|
|
|
|
gh->proto_discr = GSM48_PDISC_MM;
|
|
|
|
gh->msg_type = GSM48_MT_MM_ID_REQ;
|
|
|
|
gh->data[0] = id_type;
|
|
|
|
|
2008-12-29 01:55:35 +00:00
|
|
|
return gsm48_sendmsg(msg);
|
2008-12-27 11:15:38 +00:00
|
|
|
}
|
2008-12-27 10:19:37 +00:00
|
|
|
|
2008-12-27 11:15:38 +00:00
|
|
|
#define MI_SIZE 32
|
|
|
|
|
2009-02-03 12:59:45 +00:00
|
|
|
/* Parse Chapter 9.2.11 Identity Response */
|
2008-12-27 11:15:38 +00:00
|
|
|
static int mm_rx_id_resp(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
2008-12-27 21:34:06 +00:00
|
|
|
struct gsm_lchan *lchan = msg->lchan;
|
2008-12-27 11:15:38 +00:00
|
|
|
u_int8_t mi_type = gh->data[1] & GSM_MI_TYPE_MASK;
|
|
|
|
char mi_string[MI_SIZE];
|
|
|
|
|
|
|
|
mi_to_string(mi_string, sizeof(mi_string), &gh->data[1], gh->data[0]);
|
2008-12-27 11:25:50 +00:00
|
|
|
DEBUGP(DMM, "IDENTITY RESPONSE: mi_type=0x%02x MI(%s)\n",
|
2008-12-27 11:15:38 +00:00
|
|
|
mi_type, mi_string);
|
|
|
|
|
2008-12-27 21:34:06 +00:00
|
|
|
switch (mi_type) {
|
|
|
|
case GSM_MI_TYPE_IMSI:
|
|
|
|
if (!lchan->subscr)
|
|
|
|
lchan->subscr = db_create_subscriber(mi_string);
|
2008-12-31 18:53:57 +00:00
|
|
|
if (lchan->loc_operation)
|
|
|
|
lchan->loc_operation->waiting_for_imsi = 0;
|
2008-12-27 21:34:06 +00:00
|
|
|
break;
|
|
|
|
case GSM_MI_TYPE_IMEI:
|
2008-12-28 02:26:27 +00:00
|
|
|
case GSM_MI_TYPE_IMEISV:
|
2008-12-27 21:34:06 +00:00
|
|
|
/* update subscribe <-> IMEI mapping */
|
|
|
|
if (lchan->subscr)
|
|
|
|
db_subscriber_assoc_imei(lchan->subscr, mi_string);
|
2008-12-31 18:53:57 +00:00
|
|
|
if (lchan->loc_operation)
|
|
|
|
lchan->loc_operation->waiting_for_imei = 0;
|
2008-12-27 21:34:06 +00:00
|
|
|
break;
|
|
|
|
}
|
2008-12-31 18:53:57 +00:00
|
|
|
|
|
|
|
/* Check if we can let the mobile station enter */
|
2009-06-09 08:27:07 +00:00
|
|
|
return gsm0408_authorize(lchan, msg);
|
2008-12-27 11:15:38 +00:00
|
|
|
}
|
|
|
|
|
2008-12-28 02:26:27 +00:00
|
|
|
|
|
|
|
static void loc_upd_rej_cb(void *data)
|
|
|
|
{
|
|
|
|
struct gsm_lchan *lchan = data;
|
|
|
|
|
2008-12-31 18:53:57 +00:00
|
|
|
release_loc_updating_req(lchan);
|
2008-12-31 18:52:11 +00:00
|
|
|
gsm0408_loc_upd_rej(lchan, reject_cause);
|
2009-01-01 03:46:11 +00:00
|
|
|
lchan_auto_release(lchan);
|
2008-12-28 02:26:27 +00:00
|
|
|
}
|
|
|
|
|
2008-12-29 17:44:08 +00:00
|
|
|
static void schedule_reject(struct gsm_lchan *lchan)
|
|
|
|
{
|
2008-12-31 18:53:57 +00:00
|
|
|
lchan->loc_operation->updating_timer.cb = loc_upd_rej_cb;
|
|
|
|
lchan->loc_operation->updating_timer.data = lchan;
|
2009-05-23 05:22:08 +00:00
|
|
|
bsc_schedule_timer(&lchan->loc_operation->updating_timer, 5, 0);
|
2008-12-29 17:44:08 +00:00
|
|
|
}
|
|
|
|
|
2009-02-22 21:14:55 +00:00
|
|
|
static const char *lupd_name(u_int8_t type)
|
|
|
|
{
|
|
|
|
switch (type) {
|
|
|
|
case GSM48_LUPD_NORMAL:
|
|
|
|
return "NORMAL";
|
|
|
|
case GSM48_LUPD_PERIODIC:
|
|
|
|
return "PEROIDOC";
|
|
|
|
case GSM48_LUPD_IMSI_ATT:
|
|
|
|
return "IMSI ATTACH";
|
|
|
|
default:
|
|
|
|
return "UNKNOWN";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-12-27 11:15:38 +00:00
|
|
|
#define MI_SIZE 32
|
2009-02-03 12:59:45 +00:00
|
|
|
/* Chapter 9.2.15: Receive Location Updating Request */
|
2008-12-27 11:15:38 +00:00
|
|
|
static int mm_rx_loc_upd_req(struct msgb *msg)
|
2008-12-23 20:25:15 +00:00
|
|
|
{
|
2008-12-25 23:28:35 +00:00
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
2008-12-23 20:25:15 +00:00
|
|
|
struct gsm48_loc_upd_req *lu;
|
2009-06-10 15:11:52 +00:00
|
|
|
struct gsm_subscriber *subscr = NULL;
|
2008-12-28 02:26:27 +00:00
|
|
|
struct gsm_lchan *lchan = msg->lchan;
|
2008-12-25 23:28:35 +00:00
|
|
|
u_int8_t mi_type;
|
2008-12-27 11:15:38 +00:00
|
|
|
char mi_string[MI_SIZE];
|
|
|
|
int rc;
|
2008-12-25 23:28:35 +00:00
|
|
|
|
|
|
|
lu = (struct gsm48_loc_upd_req *) gh->data;
|
2008-12-23 20:25:15 +00:00
|
|
|
|
2008-12-25 23:28:35 +00:00
|
|
|
mi_type = lu->mi[0] & GSM_MI_TYPE_MASK;
|
2008-12-23 20:25:15 +00:00
|
|
|
|
2008-12-27 10:19:37 +00:00
|
|
|
mi_to_string(mi_string, sizeof(mi_string), lu->mi, lu->mi_len);
|
|
|
|
|
2009-06-02 03:25:04 +00:00
|
|
|
DEBUGP(DMM, "LUPDREQ: mi_type=0x%02x MI(%s) type=%s\n", mi_type, mi_string,
|
2009-02-22 21:14:55 +00:00
|
|
|
lupd_name(lu->type));
|
2008-12-31 18:53:57 +00:00
|
|
|
|
2009-06-06 13:54:44 +00:00
|
|
|
/*
|
|
|
|
* Pseudo Spoof detection: Just drop a second/concurrent
|
|
|
|
* location updating request.
|
|
|
|
*/
|
|
|
|
if (lchan->loc_operation) {
|
|
|
|
DEBUGP(DMM, "LUPDREQ: ignoring request due an existing one: %p.\n",
|
|
|
|
lchan->loc_operation);
|
|
|
|
gsm0408_loc_upd_rej(lchan, GSM48_REJECT_PROTOCOL_ERROR);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-12-31 18:53:57 +00:00
|
|
|
allocate_loc_updating_req(lchan);
|
|
|
|
|
2008-12-23 20:25:15 +00:00
|
|
|
switch (mi_type) {
|
|
|
|
case GSM_MI_TYPE_IMSI:
|
2009-06-10 15:11:52 +00:00
|
|
|
DEBUGP(DMM, "\n");
|
2008-12-27 11:15:38 +00:00
|
|
|
/* we always want the IMEI, too */
|
2009-02-28 18:22:03 +00:00
|
|
|
rc = mm_tx_identity_req(lchan, GSM_MI_TYPE_IMEI);
|
2008-12-31 18:53:57 +00:00
|
|
|
lchan->loc_operation->waiting_for_imei = 1;
|
2008-12-30 19:18:21 +00:00
|
|
|
|
2008-12-23 20:25:15 +00:00
|
|
|
/* look up subscriber based on IMSI */
|
2008-12-27 21:34:06 +00:00
|
|
|
subscr = db_create_subscriber(mi_string);
|
2008-12-27 01:55:51 +00:00
|
|
|
break;
|
2008-12-23 20:25:15 +00:00
|
|
|
case GSM_MI_TYPE_TMSI:
|
2009-06-10 15:11:52 +00:00
|
|
|
DEBUGP(DMM, "\n");
|
2008-12-27 11:15:38 +00:00
|
|
|
/* we always want the IMEI, too */
|
2009-02-28 18:22:03 +00:00
|
|
|
rc = mm_tx_identity_req(lchan, GSM_MI_TYPE_IMEI);
|
2008-12-31 18:53:57 +00:00
|
|
|
lchan->loc_operation->waiting_for_imei = 1;
|
2008-12-30 19:18:21 +00:00
|
|
|
|
2008-12-23 20:25:15 +00:00
|
|
|
/* look up the subscriber based on TMSI, request IMSI if it fails */
|
2009-01-10 01:49:35 +00:00
|
|
|
subscr = subscr_get_by_tmsi(mi_string);
|
2008-12-23 20:25:15 +00:00
|
|
|
if (!subscr) {
|
2008-12-27 11:15:38 +00:00
|
|
|
/* send IDENTITY REQUEST message to get IMSI */
|
2008-12-28 02:26:27 +00:00
|
|
|
rc = mm_tx_identity_req(lchan, GSM_MI_TYPE_IMSI);
|
2008-12-31 18:53:57 +00:00
|
|
|
lchan->loc_operation->waiting_for_imsi = 1;
|
2008-12-23 20:25:15 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case GSM_MI_TYPE_IMEI:
|
|
|
|
case GSM_MI_TYPE_IMEISV:
|
|
|
|
/* no sim card... FIXME: what to do ? */
|
2009-02-22 21:14:55 +00:00
|
|
|
DEBUGP(DMM, "unimplemented mobile identity type\n");
|
2008-12-23 20:25:15 +00:00
|
|
|
break;
|
|
|
|
default:
|
2009-02-22 21:14:55 +00:00
|
|
|
DEBUGP(DMM, "unknown mobile identity type\n");
|
2008-12-23 20:25:15 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (!subscr) {
|
|
|
|
DEBUGP(DRR, "<- Can't find any subscriber for this ID\n");
|
|
|
|
/* FIXME: request id? close channel? */
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2008-12-28 02:26:27 +00:00
|
|
|
lchan->subscr = subscr;
|
|
|
|
|
2008-12-31 18:53:57 +00:00
|
|
|
/*
|
|
|
|
* Schedule the reject timer and check if we can let the
|
|
|
|
* subscriber into our network immediately or if we need to wait
|
|
|
|
* for identity responses.
|
|
|
|
*/
|
|
|
|
schedule_reject(lchan);
|
2009-06-09 08:27:07 +00:00
|
|
|
return gsm0408_authorize(lchan, msg);
|
2008-12-23 20:25:15 +00:00
|
|
|
}
|
|
|
|
|
2009-02-11 11:44:12 +00:00
|
|
|
/* 9.1.5 Channel mode modify */
|
|
|
|
int gsm48_tx_chan_mode_modify(struct gsm_lchan *lchan, u_int8_t mode)
|
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
struct gsm48_chan_mode_modify *cmm =
|
|
|
|
(struct gsm48_chan_mode_modify *) msgb_put(msg, sizeof(*cmm));
|
2009-02-28 13:17:55 +00:00
|
|
|
u_int16_t arfcn = lchan->ts->trx->arfcn & 0x3ff;
|
2009-02-11 11:44:12 +00:00
|
|
|
|
2009-02-28 13:17:55 +00:00
|
|
|
DEBUGP(DRR, "-> CHANNEL MODE MODIFY mode=0x%02x\n", mode);
|
2009-02-17 01:43:01 +00:00
|
|
|
|
2009-05-23 15:51:12 +00:00
|
|
|
lchan->tch_mode = mode;
|
2009-02-11 11:44:12 +00:00
|
|
|
msg->lchan = lchan;
|
|
|
|
gh->proto_discr = GSM48_PDISC_RR;
|
|
|
|
gh->msg_type = GSM48_MT_RR_CHAN_MODE_MODIF;
|
|
|
|
|
|
|
|
/* fill the channel information element, this code
|
|
|
|
* should probably be shared with rsl_rx_chan_rqd() */
|
|
|
|
cmm->chan_desc.chan_nr = lchan2chan_nr(lchan);
|
2009-02-28 13:11:07 +00:00
|
|
|
cmm->chan_desc.h0.tsc = lchan->ts->trx->bts->tsc;
|
2009-02-11 11:44:12 +00:00
|
|
|
cmm->chan_desc.h0.h = 0;
|
|
|
|
cmm->chan_desc.h0.arfcn_high = arfcn >> 8;
|
|
|
|
cmm->chan_desc.h0.arfcn_low = arfcn & 0xff;
|
|
|
|
cmm->mode = mode;
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
#if 0
|
|
|
|
static u_int8_t to_bcd8(u_int8_t val)
|
|
|
|
{
|
|
|
|
return ((val / 10) << 4) | (val % 10);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2008-12-30 17:56:55 +00:00
|
|
|
/* Section 9.2.15a */
|
|
|
|
int gsm48_tx_mm_info(struct gsm_lchan *lchan)
|
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh;
|
|
|
|
struct gsm_network *net = lchan->ts->trx->bts->network;
|
|
|
|
u_int8_t *ptr8;
|
|
|
|
u_int16_t *ptr16;
|
|
|
|
int name_len;
|
|
|
|
int i;
|
2009-06-10 15:11:52 +00:00
|
|
|
#if 0
|
|
|
|
time_t cur_t;
|
|
|
|
struct tm* cur_time;
|
|
|
|
int tz15min;
|
|
|
|
#endif
|
2008-12-30 17:56:55 +00:00
|
|
|
|
|
|
|
msg->lchan = lchan;
|
|
|
|
|
|
|
|
gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
gh->proto_discr = GSM48_PDISC_MM;
|
|
|
|
gh->msg_type = GSM48_MT_MM_INFO;
|
|
|
|
|
|
|
|
if (net->name_long) {
|
|
|
|
name_len = strlen(net->name_long);
|
|
|
|
/* 10.5.3.5a */
|
|
|
|
ptr8 = msgb_put(msg, 3);
|
|
|
|
ptr8[0] = GSM48_IE_NAME_LONG;
|
|
|
|
ptr8[1] = name_len*2 +1;
|
|
|
|
ptr8[2] = 0x90; /* UCS2, no spare bits, no CI */
|
|
|
|
|
|
|
|
ptr16 = (u_int16_t *) msgb_put(msg, name_len*2);
|
|
|
|
for (i = 0; i < name_len; i++)
|
2008-12-31 23:59:18 +00:00
|
|
|
ptr16[i] = htons(net->name_long[i]);
|
2008-12-30 17:56:55 +00:00
|
|
|
|
|
|
|
/* FIXME: Use Cell Broadcast, not UCS-2, since
|
|
|
|
* UCS-2 is only supported by later revisions of the spec */
|
|
|
|
}
|
|
|
|
|
|
|
|
if (net->name_short) {
|
|
|
|
name_len = strlen(net->name_short);
|
|
|
|
/* 10.5.3.5a */
|
|
|
|
ptr8 = (u_int8_t *) msgb_put(msg, 3);
|
|
|
|
ptr8[0] = GSM48_IE_NAME_LONG;
|
|
|
|
ptr8[1] = name_len*2 + 1;
|
|
|
|
ptr8[2] = 0x90; /* UCS2, no spare bits, no CI */
|
|
|
|
|
2009-01-01 00:33:37 +00:00
|
|
|
ptr16 = (u_int16_t *) msgb_put(msg, name_len*2);
|
2008-12-30 17:56:55 +00:00
|
|
|
for (i = 0; i < name_len; i++)
|
2008-12-31 23:59:18 +00:00
|
|
|
ptr16[i] = htons(net->name_short[i]);
|
2008-12-30 17:56:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
/* Section 10.5.3.9 */
|
|
|
|
cur_t = time(NULL);
|
2009-06-10 15:11:52 +00:00
|
|
|
cur_time = gmtime(&cur_t);
|
2008-12-30 17:56:55 +00:00
|
|
|
ptr8 = msgb_put(msg, 8);
|
|
|
|
ptr8[0] = GSM48_IE_NET_TIME_TZ;
|
|
|
|
ptr8[1] = to_bcd8(cur_time->tm_year % 100);
|
|
|
|
ptr8[2] = to_bcd8(cur_time->tm_mon);
|
|
|
|
ptr8[3] = to_bcd8(cur_time->tm_mday);
|
|
|
|
ptr8[4] = to_bcd8(cur_time->tm_hour);
|
|
|
|
ptr8[5] = to_bcd8(cur_time->tm_min);
|
|
|
|
ptr8[6] = to_bcd8(cur_time->tm_sec);
|
|
|
|
/* 02.42: coded as BCD encoded signed value in units of 15 minutes */
|
|
|
|
tz15min = (cur_time->tm_gmtoff)/(60*15);
|
2009-06-10 15:11:52 +00:00
|
|
|
ptr8[7] = to_bcd8(tz15min);
|
2008-12-30 17:56:55 +00:00
|
|
|
if (tz15min < 0)
|
2009-06-10 15:11:52 +00:00
|
|
|
ptr8[7] |= 0x80;
|
2008-12-30 17:56:55 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
2008-12-27 01:55:51 +00:00
|
|
|
static int gsm48_tx_mm_serv_ack(struct gsm_lchan *lchan)
|
|
|
|
{
|
|
|
|
DEBUGP(DMM, "-> CM SERVICE ACK\n");
|
2008-12-29 01:55:35 +00:00
|
|
|
return gsm48_tx_simple(lchan, GSM48_PDISC_MM, GSM48_MT_MM_CM_SERV_ACC);
|
2008-12-27 01:55:51 +00:00
|
|
|
}
|
2009-01-10 01:49:35 +00:00
|
|
|
|
|
|
|
/* 9.2.6 CM service reject */
|
|
|
|
static int gsm48_tx_mm_serv_rej(struct gsm_lchan *lchan,
|
|
|
|
enum gsm48_reject_value value)
|
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh;
|
|
|
|
|
|
|
|
gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
|
|
|
|
|
|
|
|
msg->lchan = lchan;
|
|
|
|
use_lchan(lchan);
|
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
2009-01-10 03:17:30 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Handle CM Service Requests
|
|
|
|
* a) Verify that the packet is long enough to contain the information
|
|
|
|
* we require otherwsie reject with INCORRECT_MESSAGE
|
|
|
|
* b) Try to parse the TMSI. If we do not have one reject
|
|
|
|
* c) Check that we know the subscriber with the TMSI otherwise reject
|
|
|
|
* with a HLR cause
|
|
|
|
* d) Set the subscriber on the gsm_lchan and accept
|
|
|
|
*/
|
2008-12-27 01:55:51 +00:00
|
|
|
static int gsm48_rx_mm_serv_req(struct msgb *msg)
|
|
|
|
{
|
2009-01-10 01:49:35 +00:00
|
|
|
u_int8_t mi_type;
|
2009-01-10 03:17:30 +00:00
|
|
|
char mi_string[MI_SIZE];
|
2009-01-10 01:49:35 +00:00
|
|
|
|
|
|
|
struct gsm_subscriber *subscr;
|
2008-12-27 01:55:51 +00:00
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
2009-01-10 01:49:35 +00:00
|
|
|
struct gsm48_service_request *req =
|
|
|
|
(struct gsm48_service_request *)gh->data;
|
2009-05-01 19:07:53 +00:00
|
|
|
/* unfortunately in Phase1 the classmar2 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);
|
|
|
|
u_int8_t *mi = (classmark2 + classmark2_len + 1);
|
2009-01-10 01:49:35 +00:00
|
|
|
|
2009-05-01 19:07:53 +00:00
|
|
|
DEBUGP(DMM, "<- CM SERVICE REQUEST ");
|
2009-01-10 01:49:35 +00:00
|
|
|
if (msg->data_len < sizeof(struct gsm48_service_request*)) {
|
2009-05-01 19:07:53 +00:00
|
|
|
DEBUGPC(DMM, "wrong sized message\n");
|
2009-01-10 01:49:35 +00:00
|
|
|
return gsm48_tx_mm_serv_rej(msg->lchan,
|
|
|
|
GSM48_REJECT_INCORRECT_MESSAGE);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (msg->data_len < req->mi_len + 6) {
|
2009-05-01 19:07:53 +00:00
|
|
|
DEBUGPC(DMM, "does not fit in packet\n");
|
2009-01-10 01:49:35 +00:00
|
|
|
return gsm48_tx_mm_serv_rej(msg->lchan,
|
|
|
|
GSM48_REJECT_INCORRECT_MESSAGE);
|
|
|
|
}
|
|
|
|
|
2009-05-01 19:07:53 +00:00
|
|
|
mi_type = mi[0] & GSM_MI_TYPE_MASK;
|
2009-01-10 01:49:35 +00:00
|
|
|
if (mi_type != GSM_MI_TYPE_TMSI) {
|
2009-05-01 19:07:53 +00:00
|
|
|
DEBUGPC(DMM, "mi_type is not TMSI: %d\n", mi_type);
|
2009-01-10 01:49:35 +00:00
|
|
|
return gsm48_tx_mm_serv_rej(msg->lchan,
|
|
|
|
GSM48_REJECT_INCORRECT_MESSAGE);
|
|
|
|
}
|
2008-12-27 21:45:37 +00:00
|
|
|
|
2009-05-01 19:07:53 +00:00
|
|
|
mi_to_string(mi_string, sizeof(mi_string), mi, mi_len);
|
|
|
|
DEBUGPC(DMM, "serv_type=0x%02x mi_type=0x%02x M(%s)\n",
|
2009-01-10 03:17:30 +00:00
|
|
|
req->cm_service_type, mi_type, mi_string);
|
|
|
|
|
2009-06-04 13:58:42 +00:00
|
|
|
subscr = subscr_get_by_tmsi(mi_string);
|
|
|
|
|
2009-02-22 21:14:55 +00:00
|
|
|
/* FIXME: if we don't know the TMSI, inquire abit IMSI and allocate new TMSI */
|
2009-01-10 03:17:30 +00:00
|
|
|
if (!subscr)
|
|
|
|
return gsm48_tx_mm_serv_rej(msg->lchan,
|
|
|
|
GSM48_REJECT_IMSI_UNKNOWN_IN_HLR);
|
2008-12-27 01:55:51 +00:00
|
|
|
|
2009-01-10 03:17:30 +00:00
|
|
|
if (!msg->lchan->subscr)
|
|
|
|
msg->lchan->subscr = subscr;
|
2009-01-10 03:21:41 +00:00
|
|
|
else if (msg->lchan->subscr != subscr) {
|
|
|
|
DEBUGP(DMM, "<- CM Channel already owned by someone else?\n");
|
|
|
|
subscr_put(subscr);
|
|
|
|
}
|
|
|
|
|
2009-06-09 20:24:21 +00:00
|
|
|
subscr->classmark2_len = classmark2_len;
|
|
|
|
memcpy(subscr->classmark2, classmark2, classmark2_len);
|
|
|
|
|
2008-12-27 01:55:51 +00:00
|
|
|
return gsm48_tx_mm_serv_ack(msg->lchan);
|
|
|
|
}
|
|
|
|
|
2009-02-22 21:14:55 +00:00
|
|
|
static int gsm48_rx_mm_imsi_detach_ind(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
struct gsm48_imsi_detach_ind *idi =
|
|
|
|
(struct gsm48_imsi_detach_ind *) gh->data;
|
|
|
|
u_int8_t mi_type = idi->mi[0] & GSM_MI_TYPE_MASK;
|
|
|
|
char mi_string[MI_SIZE];
|
2009-06-10 15:11:52 +00:00
|
|
|
struct gsm_subscriber *subscr = NULL;
|
2009-02-22 21:14:55 +00:00
|
|
|
|
|
|
|
mi_to_string(mi_string, sizeof(mi_string), idi->mi, idi->mi_len);
|
|
|
|
DEBUGP(DMM, "IMSI DETACH INDICATION: mi_type=0x%02x MI(%s): ",
|
|
|
|
mi_type, mi_string);
|
|
|
|
|
|
|
|
switch (mi_type) {
|
|
|
|
case GSM_MI_TYPE_TMSI:
|
|
|
|
subscr = subscr_get_by_tmsi(mi_string);
|
|
|
|
break;
|
|
|
|
case GSM_MI_TYPE_IMSI:
|
|
|
|
subscr = subscr_get_by_imsi(mi_string);
|
|
|
|
break;
|
|
|
|
case GSM_MI_TYPE_IMEI:
|
|
|
|
case GSM_MI_TYPE_IMEISV:
|
|
|
|
/* no sim card... FIXME: what to do ? */
|
2009-06-02 03:25:04 +00:00
|
|
|
DEBUGPC(DMM, "unimplemented mobile identity type\n");
|
2009-02-22 21:14:55 +00:00
|
|
|
break;
|
|
|
|
default:
|
2009-06-02 03:25:04 +00:00
|
|
|
DEBUGPC(DMM, "unknown mobile identity type\n");
|
2009-02-22 21:14:55 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2009-04-12 05:37:29 +00:00
|
|
|
if (subscr) {
|
|
|
|
subscr_update(subscr, msg->trx->bts,
|
|
|
|
GSM_SUBSCRIBER_UPDATE_DETACHED);
|
2009-02-22 21:14:55 +00:00
|
|
|
DEBUGP(DMM, "Subscriber: %s\n",
|
|
|
|
subscr->name ? subscr->name : subscr->imsi);
|
2009-06-02 02:54:57 +00:00
|
|
|
subscr_put(subscr);
|
2009-04-12 05:37:29 +00:00
|
|
|
} else
|
2009-02-22 21:14:55 +00:00
|
|
|
DEBUGP(DMM, "Unknown Subscriber ?!?\n");
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-06-05 20:08:20 +00:00
|
|
|
static int gsm48_rx_mm_status(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
|
|
|
|
DEBUGP(DMM, "MM STATUS (reject cause 0x%02x)\n", gh->data[0]);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-02-03 12:59:45 +00:00
|
|
|
/* Receive a GSM 04.08 Mobility Management (MM) message */
|
2008-12-23 20:25:15 +00:00
|
|
|
static int gsm0408_rcv_mm(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
2009-06-10 15:11:52 +00:00
|
|
|
int rc = 0;
|
2008-12-23 20:25:15 +00:00
|
|
|
|
|
|
|
switch (gh->msg_type & 0xbf) {
|
|
|
|
case GSM48_MT_MM_LOC_UPD_REQUEST:
|
2008-12-30 13:28:30 +00:00
|
|
|
DEBUGP(DMM, "LOCATION UPDATING REQUEST\n");
|
2008-12-27 11:15:38 +00:00
|
|
|
rc = mm_rx_loc_upd_req(msg);
|
2008-12-23 20:25:15 +00:00
|
|
|
break;
|
|
|
|
case GSM48_MT_MM_ID_RESP:
|
2008-12-27 11:15:38 +00:00
|
|
|
rc = mm_rx_id_resp(msg);
|
|
|
|
break;
|
2008-12-23 20:25:15 +00:00
|
|
|
case GSM48_MT_MM_CM_SERV_REQ:
|
2008-12-27 01:55:51 +00:00
|
|
|
rc = gsm48_rx_mm_serv_req(msg);
|
|
|
|
break;
|
2008-12-27 11:15:38 +00:00
|
|
|
case GSM48_MT_MM_STATUS:
|
2009-06-05 20:08:20 +00:00
|
|
|
rc = gsm48_rx_mm_status(msg);
|
2008-12-27 11:15:38 +00:00
|
|
|
break;
|
|
|
|
case GSM48_MT_MM_TMSI_REALL_COMPL:
|
2009-01-06 19:47:00 +00:00
|
|
|
DEBUGP(DMM, "TMSI Reallocation Completed. Subscriber: %s\n",
|
|
|
|
msg->lchan->subscr ?
|
|
|
|
msg->lchan->subscr->imsi :
|
|
|
|
"unknown subscriber");
|
|
|
|
break;
|
2009-02-22 21:14:55 +00:00
|
|
|
case GSM48_MT_MM_IMSI_DETACH_IND:
|
|
|
|
rc = gsm48_rx_mm_imsi_detach_ind(msg);
|
|
|
|
break;
|
2009-01-06 19:47:00 +00:00
|
|
|
case GSM48_MT_MM_CM_REEST_REQ:
|
2009-02-22 21:14:55 +00:00
|
|
|
DEBUGP(DMM, "CM REESTABLISH REQUEST: Not implemented\n");
|
|
|
|
break;
|
2008-12-27 11:15:38 +00:00
|
|
|
case GSM48_MT_MM_AUTH_RESP:
|
2009-02-22 21:14:55 +00:00
|
|
|
DEBUGP(DMM, "AUTHENTICATION RESPONSE: Not implemented\n");
|
2008-12-23 20:25:15 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
fprintf(stderr, "Unknown GSM 04.08 MM msg type 0x%02x\n",
|
|
|
|
gh->msg_type);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
2009-02-03 12:59:45 +00:00
|
|
|
|
2009-02-06 12:02:13 +00:00
|
|
|
/* Receive a PAGING RESPONSE message from the MS */
|
|
|
|
static int gsm48_rr_rx_pag_resp(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
2009-02-22 21:26:29 +00:00
|
|
|
u_int8_t *classmark2_lv = gh->data + 1;
|
|
|
|
u_int8_t *mi_lv = gh->data + 2 + *classmark2_lv;
|
|
|
|
u_int8_t mi_type = mi_lv[1] & GSM_MI_TYPE_MASK;
|
2009-02-06 12:02:13 +00:00
|
|
|
char mi_string[MI_SIZE];
|
2009-06-10 15:11:52 +00:00
|
|
|
struct gsm_subscriber *subscr = NULL;
|
2009-02-16 22:05:44 +00:00
|
|
|
struct paging_signal_data sig_data;
|
2009-02-06 12:02:13 +00:00
|
|
|
int rc = 0;
|
|
|
|
|
2009-02-22 21:26:29 +00:00
|
|
|
mi_to_string(mi_string, sizeof(mi_string), mi_lv+1, *mi_lv);
|
2009-02-06 12:02:13 +00:00
|
|
|
DEBUGP(DRR, "PAGING RESPONSE: mi_type=0x%02x MI(%s)\n",
|
|
|
|
mi_type, mi_string);
|
2009-02-22 21:14:24 +00:00
|
|
|
switch (mi_type) {
|
|
|
|
case GSM_MI_TYPE_TMSI:
|
|
|
|
subscr = subscr_get_by_tmsi(mi_string);
|
|
|
|
break;
|
|
|
|
case GSM_MI_TYPE_IMSI:
|
|
|
|
subscr = subscr_get_by_imsi(mi_string);
|
|
|
|
break;
|
|
|
|
}
|
2009-02-06 12:02:13 +00:00
|
|
|
|
|
|
|
if (!subscr) {
|
|
|
|
DEBUGP(DRR, "<- Can't find any subscriber for this ID\n");
|
2009-02-16 22:52:23 +00:00
|
|
|
/* FIXME: request id? close channel? */
|
2009-02-06 12:02:13 +00:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
DEBUGP(DRR, "<- Channel was requested by %s\n",
|
|
|
|
subscr->name ? subscr->name : subscr->imsi);
|
2009-02-14 22:51:06 +00:00
|
|
|
|
2009-06-09 20:24:21 +00:00
|
|
|
subscr->classmark2_len = *classmark2_lv;
|
|
|
|
memcpy(subscr->classmark2, classmark2_lv+1, *classmark2_lv);
|
|
|
|
|
2009-06-02 02:54:57 +00:00
|
|
|
if (!msg->lchan->subscr) {
|
2009-02-14 23:53:15 +00:00
|
|
|
msg->lchan->subscr = subscr;
|
2009-06-02 02:54:57 +00:00
|
|
|
} else if (msg->lchan->subscr != subscr) {
|
2009-02-14 23:53:15 +00:00
|
|
|
DEBUGP(DRR, "<- Channel already owned by someone else?\n");
|
|
|
|
subscr_put(subscr);
|
2009-06-02 02:54:57 +00:00
|
|
|
return -EINVAL;
|
|
|
|
} else {
|
|
|
|
DEBUGP(DRR, "<- Channel already owned by us\n");
|
|
|
|
subscr_put(subscr);
|
|
|
|
subscr = msg->lchan->subscr;
|
2009-02-14 23:53:15 +00:00
|
|
|
}
|
|
|
|
|
2009-02-16 22:05:44 +00:00
|
|
|
sig_data.subscr = subscr;
|
|
|
|
sig_data.bts = msg->lchan->ts->trx->bts;
|
|
|
|
sig_data.lchan = msg->lchan;
|
|
|
|
|
|
|
|
dispatch_signal(SS_PAGING, S_PAGING_COMPLETED, &sig_data);
|
2009-06-10 03:21:55 +00:00
|
|
|
|
|
|
|
/* Stop paging on the bts we received the paging response */
|
2009-02-17 01:43:01 +00:00
|
|
|
paging_request_stop(msg->trx->bts, subscr, msg->lchan);
|
2009-02-06 12:02:13 +00:00
|
|
|
|
2009-02-11 11:44:12 +00:00
|
|
|
/* FIXME: somehow signal the completion of the PAGING to
|
|
|
|
* the entity that requested the paging */
|
|
|
|
|
2009-02-06 12:02:13 +00:00
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
2009-06-09 20:24:21 +00:00
|
|
|
static int gsm48_rx_rr_classmark(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
struct gsm_subscriber *subscr = msg->lchan->subscr;
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
u_int8_t cm2_len, cm3_len = 0;
|
|
|
|
u_int8_t *cm2, *cm3 = NULL;
|
|
|
|
|
|
|
|
DEBUGP(DRR, "CLASSMARK CHANGE ");
|
|
|
|
|
|
|
|
/* classmark 2 */
|
|
|
|
cm2_len = gh->data[0];
|
|
|
|
cm2 = &gh->data[1];
|
|
|
|
DEBUGPC(DRR, "CM2(len=%u) ", cm2_len);
|
|
|
|
|
|
|
|
if (payload_len > cm2_len + 1) {
|
|
|
|
/* we must have a classmark3 */
|
|
|
|
if (gh->data[cm2_len+1] != 0x20) {
|
|
|
|
DEBUGPC(DRR, "ERR CM3 TAG\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
if (cm2_len > 3) {
|
|
|
|
DEBUGPC(DRR, "CM2 too long!\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
cm3_len = gh->data[cm2_len+2];
|
|
|
|
cm3 = &gh->data[cm2_len+3];
|
|
|
|
if (cm3_len > 14) {
|
|
|
|
DEBUGPC(DRR, "CM3 len %u too long!\n", cm3_len);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
DEBUGPC(DRR, "CM3(len=%u)\n", cm3_len);
|
|
|
|
}
|
|
|
|
if (subscr) {
|
|
|
|
subscr->classmark2_len = cm2_len;
|
|
|
|
memcpy(subscr->classmark2, cm2, cm2_len);
|
|
|
|
if (cm3) {
|
|
|
|
subscr->classmark3_len = cm3_len;
|
|
|
|
memcpy(subscr->classmark3, cm3, cm3_len);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* FIXME: store the classmark2/3 values with the equipment register */
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-05-01 18:28:42 +00:00
|
|
|
static int gsm48_rx_rr_status(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
|
|
|
|
DEBUGP(DRR, "STATUS rr_cause = %s\n",
|
|
|
|
rr_cause_name(gh->data[0]));
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-06-09 20:24:21 +00:00
|
|
|
static int gsm48_rx_rr_meas_rep(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
static struct gsm_meas_rep meas_rep;
|
|
|
|
|
|
|
|
DEBUGP(DRR, "MEASUREMENT REPORT ");
|
|
|
|
parse_meas_rep(&meas_rep, gh->data, payload_len);
|
|
|
|
if (meas_rep.flags & MEAS_REP_F_DTX)
|
|
|
|
DEBUGPC(DRR, "DTX ");
|
|
|
|
if (meas_rep.flags & MEAS_REP_F_BA1)
|
|
|
|
DEBUGPC(DRR, "BA1 ");
|
|
|
|
if (!(meas_rep.flags & MEAS_REP_F_VALID))
|
|
|
|
DEBUGPC(DRR, "NOT VALID ");
|
|
|
|
else
|
|
|
|
DEBUGPC(DRR, "FULL(lev=%u, qual=%u) SUB(lev=%u, qual=%u) ",
|
|
|
|
meas_rep.rxlev_full, meas_rep.rxqual_full, meas_rep.rxlev_sub,
|
|
|
|
meas_rep.rxqual_sub);
|
|
|
|
|
|
|
|
DEBUGPC(DRR, "NUM_NEIGH=%u\n", meas_rep.num_cell);
|
|
|
|
|
|
|
|
/* FIXME: put the results somwhere */
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-02-03 12:59:45 +00:00
|
|
|
/* Receive a GSM 04.08 Radio Resource (RR) message */
|
2008-12-23 20:25:15 +00:00
|
|
|
static int gsm0408_rcv_rr(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
2009-02-06 12:02:13 +00:00
|
|
|
int rc = 0;
|
2008-12-23 20:25:15 +00:00
|
|
|
|
|
|
|
switch (gh->msg_type) {
|
|
|
|
case GSM48_MT_RR_CLSM_CHG:
|
2009-06-09 20:24:21 +00:00
|
|
|
rc = gsm48_rx_rr_classmark(msg);
|
2008-12-23 20:25:15 +00:00
|
|
|
break;
|
2008-12-27 10:19:37 +00:00
|
|
|
case GSM48_MT_RR_GPRS_SUSP_REQ:
|
|
|
|
DEBUGP(DRR, "GRPS SUSPEND REQUEST\n");
|
|
|
|
break;
|
2008-12-23 20:25:15 +00:00
|
|
|
case GSM48_MT_RR_PAG_RESP:
|
2009-02-06 12:02:13 +00:00
|
|
|
rc = gsm48_rr_rx_pag_resp(msg);
|
|
|
|
break;
|
2009-02-17 01:43:01 +00:00
|
|
|
case GSM48_MT_RR_CHAN_MODE_MODIF_ACK:
|
|
|
|
DEBUGP(DRR, "CHANNEL MODE MODIFY ACK\n");
|
2009-02-18 03:44:24 +00:00
|
|
|
rc = rsl_chan_mode_modify_req(msg->lchan);
|
2009-02-17 01:43:01 +00:00
|
|
|
break;
|
2009-05-01 18:28:42 +00:00
|
|
|
case GSM48_MT_RR_STATUS:
|
|
|
|
rc = gsm48_rx_rr_status(msg);
|
|
|
|
break;
|
2009-06-09 20:24:21 +00:00
|
|
|
case GSM48_MT_RR_MEAS_REP:
|
|
|
|
rc = gsm48_rx_rr_meas_rep(msg);
|
|
|
|
break;
|
2008-12-23 20:25:15 +00:00
|
|
|
default:
|
2009-02-06 12:02:13 +00:00
|
|
|
fprintf(stderr, "Unimplemented GSM 04.08 RR msg type 0x%02x\n",
|
2008-12-23 20:25:15 +00:00
|
|
|
gh->msg_type);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2009-02-06 12:02:13 +00:00
|
|
|
return rc;
|
2008-12-23 20:25:15 +00:00
|
|
|
}
|
|
|
|
|
2009-02-06 21:55:37 +00:00
|
|
|
/* 7.1.7 and 9.1.7 Channel release*/
|
|
|
|
int gsm48_send_rr_release(struct gsm_lchan *lchan)
|
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
u_int8_t *cause;
|
|
|
|
|
|
|
|
msg->lchan = lchan;
|
|
|
|
gh->proto_discr = GSM48_PDISC_RR;
|
|
|
|
gh->msg_type = GSM48_MT_RR_CHAN_REL;
|
|
|
|
|
|
|
|
cause = msgb_put(msg, 1);
|
|
|
|
cause[0] = GSM48_RR_CAUSE_NORMAL;
|
|
|
|
|
|
|
|
DEBUGP(DRR, "Sending Channel Release: Chan: Number: %d Type: %d\n",
|
|
|
|
lchan->nr, lchan->type);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
2008-12-27 16:32:52 +00:00
|
|
|
/* Call Control */
|
|
|
|
|
2009-02-11 11:44:12 +00:00
|
|
|
/* The entire call control code is written in accordance with Figure 7.10c
|
|
|
|
* for 'very early assignment', i.e. we allocate a TCH/F during IMMEDIATE
|
|
|
|
* ASSIGN, then first use that TCH/F for signalling and later MODE MODIFY
|
|
|
|
* it for voice */
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static void new_cc_state(struct gsm_trans *trans, int state)
|
|
|
|
{
|
|
|
|
if (state > 31 || state < 0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
DEBUGP(DCC, "new state %s -> %s\n",
|
|
|
|
cc_state_names[trans->state], cc_state_names[state]);
|
|
|
|
|
|
|
|
trans->state = state;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_status(struct gsm_trans *trans, void *arg)
|
2008-12-27 16:32:52 +00:00
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
u_int8_t *cause, *call_state;
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
2008-12-27 16:32:52 +00:00
|
|
|
gh->msg_type = GSM48_MT_CC_STATUS;
|
|
|
|
|
|
|
|
cause = msgb_put(msg, 3);
|
|
|
|
cause[0] = 2;
|
|
|
|
cause[1] = GSM48_CAUSE_CS_GSM | GSM48_CAUSE_LOC_USER;
|
|
|
|
cause[2] = 0x80 | 30; /* response to status inquiry */
|
|
|
|
|
|
|
|
call_state = msgb_put(msg, 1);
|
|
|
|
call_state[0] = 0xc0 | 0x00;
|
|
|
|
|
2008-12-29 01:55:35 +00:00
|
|
|
return gsm48_sendmsg(msg);
|
2008-12-27 16:32:52 +00:00
|
|
|
}
|
|
|
|
|
2008-12-29 00:39:37 +00:00
|
|
|
static int gsm48_tx_simple(struct gsm_lchan *lchan,
|
|
|
|
u_int8_t pdisc, u_int8_t msg_type)
|
2008-12-27 16:32:52 +00:00
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
msg->lchan = lchan;
|
|
|
|
|
2008-12-29 00:39:37 +00:00
|
|
|
gh->proto_discr = pdisc;
|
2008-12-27 16:32:52 +00:00
|
|
|
gh->msg_type = msg_type;
|
|
|
|
|
2008-12-29 01:55:35 +00:00
|
|
|
return gsm48_sendmsg(msg);
|
2008-12-27 16:32:52 +00:00
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static void gsm48_stop_cc_timer(struct gsm_trans *trans)
|
2009-02-16 22:52:23 +00:00
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
if (bsc_timer_pending(&trans->cc_timer)) {
|
|
|
|
DEBUGP(DCC, "stopping pending timer T%x\n", trans->Tcurrent);
|
|
|
|
bsc_del_timer(&trans->cc_timer);
|
|
|
|
trans->Tcurrent = 0;
|
2009-02-16 22:52:23 +00:00
|
|
|
}
|
|
|
|
}
|
2009-06-10 15:11:52 +00:00
|
|
|
|
|
|
|
static int mncc_recvmsg(struct gsm_network *net, struct gsm_trans *trans,
|
|
|
|
int msg_type, struct gsm_mncc *mncc)
|
|
|
|
{
|
|
|
|
struct msgb *msg;
|
|
|
|
|
|
|
|
if (trans)
|
|
|
|
if (trans->lchan)
|
|
|
|
DEBUGP(DCC, "(bts %d trx %d ts %d ti %02x sub %s) "
|
|
|
|
"Sending '%s' to MNCC.\n",
|
|
|
|
trans->lchan->ts->trx->bts->nr,
|
|
|
|
trans->lchan->ts->trx->nr,
|
|
|
|
trans->lchan->ts->nr, trans->transaction_id,
|
|
|
|
(trans->subscr)?(trans->subscr->extension):"-",
|
|
|
|
get_mncc_name(msg_type));
|
|
|
|
else
|
|
|
|
DEBUGP(DCC, "(bts - trx - ts - ti -- sub %s) "
|
|
|
|
"Sending '%s' to MNCC.\n",
|
|
|
|
(trans->subscr)?(trans->subscr->extension):"-",
|
|
|
|
get_mncc_name(msg_type));
|
|
|
|
else
|
|
|
|
DEBUGP(DCC, "(bts - trx - ts - ti -- sub -) "
|
|
|
|
"Sending '%s' to MNCC.\n", get_mncc_name(msg_type));
|
2009-02-16 22:52:23 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
mncc->msg_type = msg_type;
|
|
|
|
|
2009-06-26 17:39:35 +00:00
|
|
|
msg = msgb_alloc(sizeof(struct gsm_mncc), "MNCC");
|
2009-06-10 15:11:52 +00:00
|
|
|
if (!msg)
|
|
|
|
return -ENOMEM;
|
|
|
|
memcpy(msg->data, mncc, sizeof(struct gsm_mncc));
|
|
|
|
msgb_enqueue(&net->upqueue, msg);
|
|
|
|
|
|
|
|
return 0;
|
2008-12-27 16:32:52 +00:00
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
int mncc_release_ind(struct gsm_network *net, struct gsm_trans *trans,
|
|
|
|
u_int32_t callref, int location, int value)
|
2008-12-27 16:32:52 +00:00
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
struct gsm_mncc rel;
|
2009-02-11 11:44:12 +00:00
|
|
|
|
2009-06-11 17:54:08 +00:00
|
|
|
memset(&rel, 0, sizeof(rel));
|
2009-06-10 15:11:52 +00:00
|
|
|
rel.callref = callref;
|
Use correct cause value and cause location
Fixed indication of cause value and location.
Replaced plain cause numbers by definitions from header file.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index f323a2a..39e7b1f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1865,8 +1865,7 @@ int mncc_release_ind(struct gsm_network *net, struct gsm_trans *trans,
memset(&rel, 0, sizeof(rel));
rel.callref = callref;
- mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU,
- GSM48_CC_CAUSE_UNASSIGNED_NR);
+ mncc_set_cause(&rel, location, value);
return mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
}
@@ -1879,7 +1878,9 @@ void free_trans(struct gsm_trans *trans)
/* send release to L4, if callref still exists */
if (trans->callref) {
/* Ressource unavailable */
- mncc_release_ind(trans->network, trans, trans->callref, 1, 47);
+ mncc_release_ind(trans->network, trans, trans->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
if (trans->state != GSM_CSTATE_NULL)
new_cc_state(trans, GSM_CSTATE_NULL);
}
@@ -1960,7 +1961,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
subscr->extension);
/* Temporarily out of order */
mncc_release_ind(transt->network, transt, transt->callref,
- 1, 27);
+ 1, GSM48_CC_CAUSE_DEST_OOO);
transt->callref = 0;
free_trans(transt);
break;
@@ -2270,7 +2271,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
"This is not allowed!\n");
/* Temporarily out of order */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -2287,7 +2289,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
if ((trans_id_mask & 0x007f) == 0x7f) {
/* no free transaction ID */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -3373,14 +3376,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown callref %d\n", data->called.number,
get_mncc_name(msg_type), data->callref);
/* Invalid call reference */
- return mncc_release_ind(net, NULL, data->callref, 1, 81);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INVAL_TRANS_ID);
}
if (!data->called.number[0] && !data->called.imsi[0]) {
DEBUGP(DCC, "(bts - trx - ts - ti) "
"Received '%s' from MNCC with "
"no number or IMSI\n", get_mncc_name(msg_type));
/* Invalid number */
- return mncc_release_ind(net, NULL, data->callref, 1, 28);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INV_NR_FORMAT);
}
/* New transaction due to setup, find subscriber */
if (data->called.number[0])
@@ -3394,7 +3401,9 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown subscriber %s\n", data->called.number,
get_mncc_name(msg_type), data->called.number);
/* Unknown subscriber */
- return mncc_release_ind(net, NULL, data->callref, 1, 1);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_UNASSIGNED_NR);
}
/* If subscriber is not "attached" */
if (!subscr->lac) {
@@ -3404,14 +3413,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
get_mncc_name(msg_type), data->called.number);
subscr_put(subscr);
/* Temporarily out of order */
- return mncc_release_ind(net, NULL, data->callref, 1, 27);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_DEST_OOO);
}
/* Create transaction */
if (!(trans = calloc(1, sizeof(struct gsm_trans)))) {
DEBUGP(DCC, "No memory for trans.\n");
subscr_put(subscr);
/* Ressource unavailable */
- mncc_release_ind(net, NULL, data->callref, 1, 47);
+ mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
return -ENOMEM;
}
trans->callref = data->callref;
2009-06-14 14:14:12 +00:00
|
|
|
mncc_set_cause(&rel, location, value);
|
2009-06-10 15:11:52 +00:00
|
|
|
return mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
|
|
|
|
}
|
2009-02-11 11:44:12 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
void free_trans(struct gsm_trans *trans)
|
|
|
|
{
|
|
|
|
struct gsm_bts *bts;
|
2009-02-17 01:43:01 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
gsm48_stop_cc_timer(trans);
|
2009-02-17 01:43:01 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
/* send release to L4, if callref still exists */
|
|
|
|
if (trans->callref) {
|
|
|
|
/* Ressource unavailable */
|
Use correct cause value and cause location
Fixed indication of cause value and location.
Replaced plain cause numbers by definitions from header file.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index f323a2a..39e7b1f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1865,8 +1865,7 @@ int mncc_release_ind(struct gsm_network *net, struct gsm_trans *trans,
memset(&rel, 0, sizeof(rel));
rel.callref = callref;
- mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU,
- GSM48_CC_CAUSE_UNASSIGNED_NR);
+ mncc_set_cause(&rel, location, value);
return mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
}
@@ -1879,7 +1878,9 @@ void free_trans(struct gsm_trans *trans)
/* send release to L4, if callref still exists */
if (trans->callref) {
/* Ressource unavailable */
- mncc_release_ind(trans->network, trans, trans->callref, 1, 47);
+ mncc_release_ind(trans->network, trans, trans->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
if (trans->state != GSM_CSTATE_NULL)
new_cc_state(trans, GSM_CSTATE_NULL);
}
@@ -1960,7 +1961,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
subscr->extension);
/* Temporarily out of order */
mncc_release_ind(transt->network, transt, transt->callref,
- 1, 27);
+ 1, GSM48_CC_CAUSE_DEST_OOO);
transt->callref = 0;
free_trans(transt);
break;
@@ -2270,7 +2271,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
"This is not allowed!\n");
/* Temporarily out of order */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -2287,7 +2289,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
if ((trans_id_mask & 0x007f) == 0x7f) {
/* no free transaction ID */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -3373,14 +3376,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown callref %d\n", data->called.number,
get_mncc_name(msg_type), data->callref);
/* Invalid call reference */
- return mncc_release_ind(net, NULL, data->callref, 1, 81);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INVAL_TRANS_ID);
}
if (!data->called.number[0] && !data->called.imsi[0]) {
DEBUGP(DCC, "(bts - trx - ts - ti) "
"Received '%s' from MNCC with "
"no number or IMSI\n", get_mncc_name(msg_type));
/* Invalid number */
- return mncc_release_ind(net, NULL, data->callref, 1, 28);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INV_NR_FORMAT);
}
/* New transaction due to setup, find subscriber */
if (data->called.number[0])
@@ -3394,7 +3401,9 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown subscriber %s\n", data->called.number,
get_mncc_name(msg_type), data->called.number);
/* Unknown subscriber */
- return mncc_release_ind(net, NULL, data->callref, 1, 1);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_UNASSIGNED_NR);
}
/* If subscriber is not "attached" */
if (!subscr->lac) {
@@ -3404,14 +3413,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
get_mncc_name(msg_type), data->called.number);
subscr_put(subscr);
/* Temporarily out of order */
- return mncc_release_ind(net, NULL, data->callref, 1, 27);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_DEST_OOO);
}
/* Create transaction */
if (!(trans = calloc(1, sizeof(struct gsm_trans)))) {
DEBUGP(DCC, "No memory for trans.\n");
subscr_put(subscr);
/* Ressource unavailable */
- mncc_release_ind(net, NULL, data->callref, 1, 47);
+ mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
return -ENOMEM;
}
trans->callref = data->callref;
2009-06-14 14:14:12 +00:00
|
|
|
mncc_release_ind(trans->network, trans, trans->callref,
|
|
|
|
GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
|
2009-06-10 15:11:52 +00:00
|
|
|
if (trans->state != GSM_CSTATE_NULL)
|
|
|
|
new_cc_state(trans, GSM_CSTATE_NULL);
|
2009-02-22 21:13:18 +00:00
|
|
|
}
|
2009-02-11 11:44:12 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (!trans->lchan && trans->subscr && trans->subscr->net) {
|
|
|
|
/* Stop paging on all bts' */
|
|
|
|
bts = NULL;
|
|
|
|
do {
|
|
|
|
bts = gsm_bts_by_lac(trans->subscr->net,
|
|
|
|
trans->subscr->lac, bts);
|
|
|
|
if (!bts)
|
|
|
|
break;
|
|
|
|
/* Stop paging */
|
|
|
|
paging_request_stop(bts, trans->subscr, NULL);
|
|
|
|
} while (1);
|
|
|
|
}
|
2009-02-16 22:52:23 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (trans->lchan) {
|
|
|
|
trau_mux_unmap(&trans->lchan->ts->e1_link, trans->callref);
|
|
|
|
put_lchan(trans->lchan);
|
|
|
|
}
|
2009-02-11 11:44:12 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (trans->subscr)
|
|
|
|
subscr_put(trans->subscr);
|
2009-02-11 11:44:12 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (trans->state != GSM_CSTATE_NULL)
|
|
|
|
new_cc_state(trans, GSM_CSTATE_NULL);
|
2009-02-17 15:29:33 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
llist_del(&trans->entry);
|
2009-02-16 22:52:23 +00:00
|
|
|
|
2009-06-20 20:36:41 +00:00
|
|
|
talloc_free(trans);
|
2008-12-27 16:32:52 +00:00
|
|
|
}
|
2009-02-11 11:44:12 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg);
|
|
|
|
|
|
|
|
/* call-back from paging the B-end of the connection */
|
|
|
|
static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
|
|
|
|
struct msgb *msg, void *_lchan, void *param)
|
2009-02-17 01:43:01 +00:00
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
struct gsm_lchan *lchan = _lchan;
|
|
|
|
struct gsm_subscriber *subscr = param;
|
|
|
|
struct gsm_trans *transt, *tmp;
|
|
|
|
struct gsm_network *net;
|
|
|
|
|
|
|
|
if (hooknum != GSM_HOOK_RR_PAGING)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (!subscr)
|
|
|
|
return -EINVAL;
|
|
|
|
net = subscr->net;
|
|
|
|
if (!net) {
|
|
|
|
DEBUGP(DCC, "Error Network not set!\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
2009-02-17 01:43:01 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
/* check all tranactions (without lchan) for subscriber */
|
|
|
|
llist_for_each_entry_safe(transt, tmp, &net->trans_list, entry) {
|
|
|
|
if (transt->subscr != subscr || transt->lchan)
|
|
|
|
continue;
|
|
|
|
switch (event) {
|
|
|
|
case GSM_PAGING_SUCCEEDED:
|
|
|
|
if (!lchan) // paranoid
|
|
|
|
break;
|
|
|
|
DEBUGP(DCC, "Paging subscr %s succeeded!\n",
|
|
|
|
subscr->extension);
|
|
|
|
/* Assign lchan */
|
|
|
|
if (!transt->lchan) {
|
|
|
|
transt->lchan = lchan;
|
|
|
|
use_lchan(lchan);
|
|
|
|
}
|
|
|
|
/* send SETUP request to called party */
|
|
|
|
gsm48_cc_tx_setup(transt, &transt->cc_msg);
|
|
|
|
if (is_ipaccess_bts(lchan->ts->trx->bts))
|
|
|
|
rsl_ipacc_bind(lchan);
|
|
|
|
break;
|
|
|
|
case GSM_PAGING_EXPIRED:
|
|
|
|
DEBUGP(DCC, "Paging subscr %s expired!\n",
|
|
|
|
subscr->extension);
|
|
|
|
/* Temporarily out of order */
|
|
|
|
mncc_release_ind(transt->network, transt, transt->callref,
|
Use correct cause value and cause location
Fixed indication of cause value and location.
Replaced plain cause numbers by definitions from header file.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index f323a2a..39e7b1f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1865,8 +1865,7 @@ int mncc_release_ind(struct gsm_network *net, struct gsm_trans *trans,
memset(&rel, 0, sizeof(rel));
rel.callref = callref;
- mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU,
- GSM48_CC_CAUSE_UNASSIGNED_NR);
+ mncc_set_cause(&rel, location, value);
return mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
}
@@ -1879,7 +1878,9 @@ void free_trans(struct gsm_trans *trans)
/* send release to L4, if callref still exists */
if (trans->callref) {
/* Ressource unavailable */
- mncc_release_ind(trans->network, trans, trans->callref, 1, 47);
+ mncc_release_ind(trans->network, trans, trans->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
if (trans->state != GSM_CSTATE_NULL)
new_cc_state(trans, GSM_CSTATE_NULL);
}
@@ -1960,7 +1961,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
subscr->extension);
/* Temporarily out of order */
mncc_release_ind(transt->network, transt, transt->callref,
- 1, 27);
+ 1, GSM48_CC_CAUSE_DEST_OOO);
transt->callref = 0;
free_trans(transt);
break;
@@ -2270,7 +2271,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
"This is not allowed!\n");
/* Temporarily out of order */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -2287,7 +2289,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
if ((trans_id_mask & 0x007f) == 0x7f) {
/* no free transaction ID */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -3373,14 +3376,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown callref %d\n", data->called.number,
get_mncc_name(msg_type), data->callref);
/* Invalid call reference */
- return mncc_release_ind(net, NULL, data->callref, 1, 81);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INVAL_TRANS_ID);
}
if (!data->called.number[0] && !data->called.imsi[0]) {
DEBUGP(DCC, "(bts - trx - ts - ti) "
"Received '%s' from MNCC with "
"no number or IMSI\n", get_mncc_name(msg_type));
/* Invalid number */
- return mncc_release_ind(net, NULL, data->callref, 1, 28);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INV_NR_FORMAT);
}
/* New transaction due to setup, find subscriber */
if (data->called.number[0])
@@ -3394,7 +3401,9 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown subscriber %s\n", data->called.number,
get_mncc_name(msg_type), data->called.number);
/* Unknown subscriber */
- return mncc_release_ind(net, NULL, data->callref, 1, 1);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_UNASSIGNED_NR);
}
/* If subscriber is not "attached" */
if (!subscr->lac) {
@@ -3404,14 +3413,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
get_mncc_name(msg_type), data->called.number);
subscr_put(subscr);
/* Temporarily out of order */
- return mncc_release_ind(net, NULL, data->callref, 1, 27);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_DEST_OOO);
}
/* Create transaction */
if (!(trans = calloc(1, sizeof(struct gsm_trans)))) {
DEBUGP(DCC, "No memory for trans.\n");
subscr_put(subscr);
/* Ressource unavailable */
- mncc_release_ind(net, NULL, data->callref, 1, 47);
+ mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
return -ENOMEM;
}
trans->callref = data->callref;
2009-06-14 14:14:12 +00:00
|
|
|
GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
GSM48_CC_CAUSE_DEST_OOO);
|
2009-06-10 15:11:52 +00:00
|
|
|
transt->callref = 0;
|
|
|
|
free_trans(transt);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
2009-02-17 01:43:01 +00:00
|
|
|
}
|
|
|
|
|
2009-02-17 15:29:33 +00:00
|
|
|
/* map two ipaccess RTP streams onto each other */
|
2009-02-19 17:24:39 +00:00
|
|
|
static int tch_map(struct gsm_lchan *lchan, struct gsm_lchan *remote_lchan)
|
2009-02-17 15:29:33 +00:00
|
|
|
{
|
2009-02-19 17:24:39 +00:00
|
|
|
struct gsm_bts *bts = lchan->ts->trx->bts;
|
|
|
|
struct gsm_bts *remote_bts = remote_lchan->ts->trx->bts;
|
2009-02-17 15:29:33 +00:00
|
|
|
struct gsm_bts_trx_ts *ts;
|
|
|
|
|
2009-02-19 17:24:39 +00:00
|
|
|
DEBUGP(DCC, "Setting up TCH map between (bts=%u,trx=%u,ts=%u) and (bts=%u,trx=%u,ts=%u)\n",
|
|
|
|
bts->nr, lchan->ts->trx->nr, lchan->ts->nr,
|
|
|
|
remote_bts->nr, remote_lchan->ts->trx->nr, remote_lchan->ts->nr);
|
|
|
|
|
|
|
|
if (bts->type != remote_bts->type) {
|
|
|
|
DEBUGP(DCC, "Cannot switch calls between different BTS types yet\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (bts->type) {
|
|
|
|
case GSM_BTS_TYPE_NANOBTS_900:
|
|
|
|
case GSM_BTS_TYPE_NANOBTS_1800:
|
|
|
|
ts = remote_lchan->ts;
|
|
|
|
rsl_ipacc_connect(lchan, ts->abis_ip.bound_ip, ts->abis_ip.bound_port,
|
|
|
|
lchan->ts->abis_ip.attr_f8, ts->abis_ip.attr_fc);
|
2009-02-17 15:29:33 +00:00
|
|
|
|
2009-02-19 17:24:39 +00:00
|
|
|
ts = lchan->ts;
|
|
|
|
rsl_ipacc_connect(remote_lchan, ts->abis_ip.bound_ip, ts->abis_ip.bound_port,
|
|
|
|
remote_lchan->ts->abis_ip.attr_f8, ts->abis_ip.attr_fc);
|
|
|
|
break;
|
|
|
|
case GSM_BTS_TYPE_BS11:
|
|
|
|
trau_mux_map_lchan(lchan, remote_lchan);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
DEBUGP(DCC, "Unknown BTS type %u\n", bts->type);
|
|
|
|
break;
|
|
|
|
}
|
2009-02-17 15:29:33 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static struct gsm_trans *get_trans_ref(struct gsm_network *net, u_int32_t callref)
|
2009-02-17 01:43:01 +00:00
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
struct gsm_trans *trans;
|
|
|
|
llist_for_each_entry(trans, &net->trans_list, entry) {
|
|
|
|
if (trans->callref == callref)
|
|
|
|
return trans;
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
2009-02-17 01:43:01 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
/* bridge channels of two transactions */
|
|
|
|
static int tch_bridge(struct gsm_network *net, u_int32_t *refs)
|
|
|
|
{
|
|
|
|
struct gsm_trans *trans1 = get_trans_ref(net, refs[0]);
|
|
|
|
struct gsm_trans *trans2 = get_trans_ref(net, refs[1]);
|
2009-02-19 17:24:39 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (!trans1 || !trans2)
|
|
|
|
return -EIO;
|
2009-02-17 01:43:01 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (!trans1->lchan || !trans2->lchan)
|
|
|
|
return -EIO;
|
2009-02-17 15:29:33 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
/* through-connect channel */
|
|
|
|
return tch_map(trans1->lchan, trans2->lchan);
|
2009-02-17 01:43:01 +00:00
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
/* enable receive of channels to upqueue */
|
|
|
|
static int tch_recv(struct gsm_network *net, struct gsm_mncc *data, int enable)
|
2009-02-17 01:43:01 +00:00
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
struct gsm_trans *trans;
|
2009-02-17 01:43:01 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
/* Find callref */
|
|
|
|
trans = get_trans_ref(net, data->callref);
|
|
|
|
if (!trans)
|
|
|
|
return -EIO;
|
|
|
|
if (!trans->lchan)
|
|
|
|
return 0;
|
2008-12-27 16:32:52 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
// todo IPACCESS
|
|
|
|
if (enable)
|
|
|
|
return trau_recv_lchan(trans->lchan, data->callref);
|
|
|
|
return trau_mux_unmap(NULL, data->callref);
|
|
|
|
}
|
2009-04-12 05:37:52 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
/* send a frame to channel */
|
|
|
|
static int tch_frame(struct gsm_network *net, struct gsm_trau_frame *frame)
|
|
|
|
{
|
|
|
|
struct gsm_trans *trans;
|
2009-02-17 01:43:01 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
/* Find callref */
|
|
|
|
trans = get_trans_ref(net, frame->callref);
|
|
|
|
if (!trans)
|
2009-02-17 01:43:01 +00:00
|
|
|
return -EIO;
|
2009-06-10 15:11:52 +00:00
|
|
|
if (!trans->lchan)
|
|
|
|
return 0;
|
|
|
|
if (trans->lchan->type != GSM_LCHAN_TCH_F &&
|
|
|
|
trans->lchan->type != GSM_LCHAN_TCH_H)
|
|
|
|
return 0;
|
2009-02-17 01:43:01 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
// todo IPACCESS
|
|
|
|
return trau_send_lchan(trans->lchan,
|
|
|
|
(struct decoded_trau_frame *)frame->data);
|
2009-02-17 01:43:01 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static int gsm48_cc_rx_status_enq(struct gsm_trans *trans, struct msgb *msg)
|
2008-12-29 01:55:35 +00:00
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
DEBUGP(DCC, "-> STATUS ENQ\n");
|
|
|
|
return gsm48_cc_tx_status(trans, msg);
|
|
|
|
}
|
2008-12-29 01:55:35 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static int gsm48_cc_tx_release(struct gsm_trans *trans, void *arg);
|
|
|
|
static int gsm48_cc_tx_disconnect(struct gsm_trans *trans, void *arg);
|
2008-12-29 01:55:35 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static void gsm48_cc_timeout(void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_trans *trans = arg;
|
|
|
|
int disconnect = 0, release = 0;
|
2009-06-11 06:23:20 +00:00
|
|
|
int mo_cause = GSM48_CC_CAUSE_RECOVERY_TIMER;
|
|
|
|
int mo_location = GSM48_CAUSE_LOC_USER;
|
|
|
|
int l4_cause = GSM48_CC_CAUSE_NORMAL_UNSPEC;
|
|
|
|
int l4_location = GSM48_CAUSE_LOC_PRN_S_LU;
|
2009-06-10 15:11:52 +00:00
|
|
|
struct gsm_mncc mo_rel, l4_rel;
|
2009-02-17 15:29:33 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
memset(&mo_rel, 0, sizeof(struct gsm_mncc));
|
|
|
|
mo_rel.callref = trans->callref;
|
|
|
|
memset(&l4_rel, 0, sizeof(struct gsm_mncc));
|
|
|
|
l4_rel.callref = trans->callref;
|
2008-12-29 01:55:35 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
switch(trans->Tcurrent) {
|
|
|
|
case 0x303:
|
|
|
|
release = 1;
|
2009-06-11 06:23:20 +00:00
|
|
|
l4_cause = GSM48_CC_CAUSE_USER_NOTRESPOND;
|
2009-06-10 15:11:52 +00:00
|
|
|
break;
|
|
|
|
case 0x310:
|
|
|
|
disconnect = 1;
|
2009-06-11 06:23:20 +00:00
|
|
|
l4_cause = GSM48_CC_CAUSE_USER_NOTRESPOND;
|
2009-06-10 15:11:52 +00:00
|
|
|
break;
|
|
|
|
case 0x313:
|
|
|
|
disconnect = 1;
|
|
|
|
/* unknown, did not find it in the specs */
|
|
|
|
break;
|
|
|
|
case 0x301:
|
|
|
|
disconnect = 1;
|
2009-06-11 06:23:20 +00:00
|
|
|
l4_cause = GSM48_CC_CAUSE_USER_NOTRESPOND;
|
2009-06-10 15:11:52 +00:00
|
|
|
break;
|
|
|
|
case 0x308:
|
|
|
|
if (!trans->T308_second) {
|
|
|
|
/* restart T308 a second time */
|
|
|
|
gsm48_cc_tx_release(trans, &trans->cc_msg);
|
|
|
|
trans->T308_second = 1;
|
|
|
|
break; /* stay in release state */
|
|
|
|
}
|
|
|
|
free_trans(trans);
|
|
|
|
return;
|
|
|
|
// release = 1;
|
|
|
|
// l4_cause = 14;
|
|
|
|
// break;
|
|
|
|
case 0x306:
|
|
|
|
release = 1;
|
|
|
|
mo_cause = trans->cc_msg.cause.value;
|
|
|
|
mo_location = trans->cc_msg.cause.location;
|
|
|
|
break;
|
|
|
|
case 0x323:
|
|
|
|
disconnect = 1;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
release = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (release && trans->callref) {
|
|
|
|
/* process release towards layer 4 */
|
|
|
|
mncc_release_ind(trans->network, trans, trans->callref,
|
|
|
|
l4_location, l4_cause);
|
|
|
|
trans->callref = 0;
|
|
|
|
}
|
2009-02-16 22:52:23 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (disconnect && trans->callref) {
|
|
|
|
/* process disconnect towards layer 4 */
|
|
|
|
mncc_set_cause(&l4_rel, l4_location, l4_cause);
|
|
|
|
mncc_recvmsg(trans->network, trans, MNCC_DISC_IND, &l4_rel);
|
2009-02-17 01:43:01 +00:00
|
|
|
}
|
2009-06-10 15:11:52 +00:00
|
|
|
|
|
|
|
/* process disconnect towards mobile station */
|
|
|
|
if (disconnect || release) {
|
|
|
|
mncc_set_cause(&mo_rel, mo_location, mo_cause);
|
|
|
|
mo_rel.cause.diag[0] = ((trans->Tcurrent & 0xf00) >> 8) + '0';
|
|
|
|
mo_rel.cause.diag[1] = ((trans->Tcurrent & 0x0f0) >> 4) + '0';
|
|
|
|
mo_rel.cause.diag[2] = (trans->Tcurrent & 0x00f) + '0';
|
|
|
|
mo_rel.cause.diag_len = 3;
|
|
|
|
|
|
|
|
if (disconnect)
|
|
|
|
gsm48_cc_tx_disconnect(trans, &mo_rel);
|
|
|
|
if (release)
|
|
|
|
gsm48_cc_tx_release(trans, &mo_rel);
|
2009-02-17 01:43:01 +00:00
|
|
|
}
|
2008-12-29 01:55:35 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
}
|
2008-12-29 01:55:35 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static void gsm48_start_cc_timer(struct gsm_trans *trans, int current,
|
|
|
|
int sec, int micro)
|
|
|
|
{
|
|
|
|
DEBUGP(DCC, "starting timer T%x with %d seconds\n", current, sec);
|
|
|
|
trans->cc_timer.cb = gsm48_cc_timeout;
|
|
|
|
trans->cc_timer.data = trans;
|
|
|
|
bsc_schedule_timer(&trans->cc_timer, sec, micro);
|
|
|
|
trans->Tcurrent = current;
|
2008-12-29 01:55:35 +00:00
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static int gsm48_cc_rx_setup(struct gsm_trans *trans, struct msgb *msg)
|
2008-12-27 16:32:52 +00:00
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
u_int8_t msg_type = gh->msg_type & 0xbf;
|
2009-06-10 15:11:52 +00:00
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc setup;
|
2008-12-27 16:32:52 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
memset(&setup, 0, sizeof(struct gsm_mncc));
|
|
|
|
setup.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, 0, 0);
|
|
|
|
/* emergency setup is identified by msg_type */
|
|
|
|
if (msg_type == GSM48_MT_CC_EMERG_SETUP)
|
|
|
|
setup.emergency = 1;
|
|
|
|
|
|
|
|
/* use subscriber as calling party number */
|
|
|
|
if (trans->subscr) {
|
|
|
|
setup.fields |= MNCC_F_CALLING;
|
|
|
|
strncpy(setup.calling.number, trans->subscr->extension,
|
|
|
|
sizeof(setup.calling.number)-1);
|
2009-06-15 21:22:09 +00:00
|
|
|
strncpy(setup.imsi, trans->subscr->imsi,
|
|
|
|
sizeof(setup.imsi)-1);
|
2009-06-10 15:11:52 +00:00
|
|
|
}
|
|
|
|
/* bearer capability */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_BEARER_CAP)) {
|
|
|
|
setup.fields |= MNCC_F_BEARER_CAP;
|
|
|
|
decode_bearer_cap(&setup.bearer_cap,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_BEARER_CAP)-1);
|
|
|
|
}
|
|
|
|
/* facility */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_FACILITY)) {
|
|
|
|
setup.fields |= MNCC_F_FACILITY;
|
|
|
|
decode_facility(&setup.facility,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
|
|
|
|
}
|
|
|
|
/* called party bcd number */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_CALLED_BCD)) {
|
|
|
|
setup.fields |= MNCC_F_CALLED;
|
|
|
|
decode_called(&setup.called,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_CALLED_BCD)-1);
|
|
|
|
}
|
|
|
|
/* user-user */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_USER_USER)) {
|
|
|
|
setup.fields |= MNCC_F_USERUSER;
|
|
|
|
decode_useruser(&setup.useruser,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_USER_USER)-1);
|
|
|
|
}
|
|
|
|
/* ss-version */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_SS_VERS)) {
|
|
|
|
setup.fields |= MNCC_F_SSVERSION;
|
|
|
|
decode_ssversion(&setup.ssversion,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_SS_VERS)-1);
|
|
|
|
}
|
|
|
|
/* CLIR suppression */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_CLIR_SUPP))
|
|
|
|
setup.clir.sup = 1;
|
|
|
|
/* CLIR invocation */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_CLIR_INVOC))
|
|
|
|
setup.clir.inv = 1;
|
|
|
|
/* cc cap */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_CC_CAP)) {
|
|
|
|
setup.fields |= MNCC_F_CCCAP;
|
|
|
|
decode_cccap(&setup.cccap,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_CC_CAP)-1);
|
2008-12-27 16:32:52 +00:00
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
if (is_ipaccess_bts(msg->trx->bts))
|
|
|
|
rsl_ipacc_bind(msg->lchan);
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_INITIATED);
|
|
|
|
|
|
|
|
/* indicate setup to MNCC */
|
|
|
|
mncc_recvmsg(trans->network, trans, MNCC_SETUP_IND, &setup);
|
|
|
|
|
|
|
|
return 0;
|
2008-12-27 16:32:52 +00:00
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
|
2008-12-23 20:25:15 +00:00
|
|
|
{
|
2009-06-10 15:11:52 +00:00
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh;
|
|
|
|
struct gsm_mncc *setup = arg;
|
|
|
|
struct gsm_trans *transt;
|
|
|
|
u_int16_t trans_id_mask = 0;
|
|
|
|
int rc, i;
|
|
|
|
|
|
|
|
gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
/* transaction id must not be assigned */
|
|
|
|
if (trans->transaction_id != 0xff) { /* unasssigned */
|
|
|
|
DEBUGP(DCC, "TX Setup with assigned transaction. "
|
|
|
|
"This is not allowed!\n");
|
|
|
|
/* Temporarily out of order */
|
|
|
|
rc = mncc_release_ind(trans->network, trans, trans->callref,
|
Use correct cause value and cause location
Fixed indication of cause value and location.
Replaced plain cause numbers by definitions from header file.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index f323a2a..39e7b1f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1865,8 +1865,7 @@ int mncc_release_ind(struct gsm_network *net, struct gsm_trans *trans,
memset(&rel, 0, sizeof(rel));
rel.callref = callref;
- mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU,
- GSM48_CC_CAUSE_UNASSIGNED_NR);
+ mncc_set_cause(&rel, location, value);
return mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
}
@@ -1879,7 +1878,9 @@ void free_trans(struct gsm_trans *trans)
/* send release to L4, if callref still exists */
if (trans->callref) {
/* Ressource unavailable */
- mncc_release_ind(trans->network, trans, trans->callref, 1, 47);
+ mncc_release_ind(trans->network, trans, trans->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
if (trans->state != GSM_CSTATE_NULL)
new_cc_state(trans, GSM_CSTATE_NULL);
}
@@ -1960,7 +1961,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
subscr->extension);
/* Temporarily out of order */
mncc_release_ind(transt->network, transt, transt->callref,
- 1, 27);
+ 1, GSM48_CC_CAUSE_DEST_OOO);
transt->callref = 0;
free_trans(transt);
break;
@@ -2270,7 +2271,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
"This is not allowed!\n");
/* Temporarily out of order */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -2287,7 +2289,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
if ((trans_id_mask & 0x007f) == 0x7f) {
/* no free transaction ID */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -3373,14 +3376,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown callref %d\n", data->called.number,
get_mncc_name(msg_type), data->callref);
/* Invalid call reference */
- return mncc_release_ind(net, NULL, data->callref, 1, 81);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INVAL_TRANS_ID);
}
if (!data->called.number[0] && !data->called.imsi[0]) {
DEBUGP(DCC, "(bts - trx - ts - ti) "
"Received '%s' from MNCC with "
"no number or IMSI\n", get_mncc_name(msg_type));
/* Invalid number */
- return mncc_release_ind(net, NULL, data->callref, 1, 28);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INV_NR_FORMAT);
}
/* New transaction due to setup, find subscriber */
if (data->called.number[0])
@@ -3394,7 +3401,9 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown subscriber %s\n", data->called.number,
get_mncc_name(msg_type), data->called.number);
/* Unknown subscriber */
- return mncc_release_ind(net, NULL, data->callref, 1, 1);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_UNASSIGNED_NR);
}
/* If subscriber is not "attached" */
if (!subscr->lac) {
@@ -3404,14 +3413,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
get_mncc_name(msg_type), data->called.number);
subscr_put(subscr);
/* Temporarily out of order */
- return mncc_release_ind(net, NULL, data->callref, 1, 27);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_DEST_OOO);
}
/* Create transaction */
if (!(trans = calloc(1, sizeof(struct gsm_trans)))) {
DEBUGP(DCC, "No memory for trans.\n");
subscr_put(subscr);
/* Ressource unavailable */
- mncc_release_ind(net, NULL, data->callref, 1, 47);
+ mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
return -ENOMEM;
}
trans->callref = data->callref;
2009-06-14 14:14:12 +00:00
|
|
|
GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
|
2009-06-10 15:11:52 +00:00
|
|
|
trans->callref = 0;
|
|
|
|
free_trans(trans);
|
|
|
|
return rc;
|
|
|
|
}
|
2008-12-23 20:25:15 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
/* Get free transaction_id */
|
|
|
|
llist_for_each_entry(transt, &trans->network->trans_list, entry) {
|
|
|
|
/* Transaction of our lchan? */
|
|
|
|
if (transt->lchan == trans->lchan &&
|
|
|
|
transt->transaction_id != 0xff)
|
|
|
|
trans_id_mask |= (1 << (transt->transaction_id >> 4));
|
|
|
|
}
|
|
|
|
/* Assign free transaction ID */
|
|
|
|
if ((trans_id_mask & 0x007f) == 0x7f) {
|
|
|
|
/* no free transaction ID */
|
|
|
|
rc = mncc_release_ind(trans->network, trans, trans->callref,
|
Use correct cause value and cause location
Fixed indication of cause value and location.
Replaced plain cause numbers by definitions from header file.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index f323a2a..39e7b1f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1865,8 +1865,7 @@ int mncc_release_ind(struct gsm_network *net, struct gsm_trans *trans,
memset(&rel, 0, sizeof(rel));
rel.callref = callref;
- mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU,
- GSM48_CC_CAUSE_UNASSIGNED_NR);
+ mncc_set_cause(&rel, location, value);
return mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
}
@@ -1879,7 +1878,9 @@ void free_trans(struct gsm_trans *trans)
/* send release to L4, if callref still exists */
if (trans->callref) {
/* Ressource unavailable */
- mncc_release_ind(trans->network, trans, trans->callref, 1, 47);
+ mncc_release_ind(trans->network, trans, trans->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
if (trans->state != GSM_CSTATE_NULL)
new_cc_state(trans, GSM_CSTATE_NULL);
}
@@ -1960,7 +1961,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
subscr->extension);
/* Temporarily out of order */
mncc_release_ind(transt->network, transt, transt->callref,
- 1, 27);
+ 1, GSM48_CC_CAUSE_DEST_OOO);
transt->callref = 0;
free_trans(transt);
break;
@@ -2270,7 +2271,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
"This is not allowed!\n");
/* Temporarily out of order */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -2287,7 +2289,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
if ((trans_id_mask & 0x007f) == 0x7f) {
/* no free transaction ID */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -3373,14 +3376,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown callref %d\n", data->called.number,
get_mncc_name(msg_type), data->callref);
/* Invalid call reference */
- return mncc_release_ind(net, NULL, data->callref, 1, 81);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INVAL_TRANS_ID);
}
if (!data->called.number[0] && !data->called.imsi[0]) {
DEBUGP(DCC, "(bts - trx - ts - ti) "
"Received '%s' from MNCC with "
"no number or IMSI\n", get_mncc_name(msg_type));
/* Invalid number */
- return mncc_release_ind(net, NULL, data->callref, 1, 28);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INV_NR_FORMAT);
}
/* New transaction due to setup, find subscriber */
if (data->called.number[0])
@@ -3394,7 +3401,9 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown subscriber %s\n", data->called.number,
get_mncc_name(msg_type), data->called.number);
/* Unknown subscriber */
- return mncc_release_ind(net, NULL, data->callref, 1, 1);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_UNASSIGNED_NR);
}
/* If subscriber is not "attached" */
if (!subscr->lac) {
@@ -3404,14 +3413,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
get_mncc_name(msg_type), data->called.number);
subscr_put(subscr);
/* Temporarily out of order */
- return mncc_release_ind(net, NULL, data->callref, 1, 27);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_DEST_OOO);
}
/* Create transaction */
if (!(trans = calloc(1, sizeof(struct gsm_trans)))) {
DEBUGP(DCC, "No memory for trans.\n");
subscr_put(subscr);
/* Ressource unavailable */
- mncc_release_ind(net, NULL, data->callref, 1, 47);
+ mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
return -ENOMEM;
}
trans->callref = data->callref;
2009-06-14 14:14:12 +00:00
|
|
|
GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
|
2009-06-10 15:11:52 +00:00
|
|
|
trans->callref = 0;
|
|
|
|
free_trans(trans);
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
for (i = 0; i < 7; i++) {
|
|
|
|
if ((trans_id_mask & (1 << i)) == 0) {
|
|
|
|
trans->transaction_id = i << 4; /* flag = 0 */
|
|
|
|
break;
|
|
|
|
}
|
2008-12-23 20:25:15 +00:00
|
|
|
}
|
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_SETUP;
|
|
|
|
|
|
|
|
gsm48_start_cc_timer(trans, 0x303, GSM48_T303);
|
|
|
|
|
|
|
|
/* bearer capability */
|
|
|
|
if (setup->fields & MNCC_F_BEARER_CAP)
|
|
|
|
encode_bearer_cap(msg, 0, &setup->bearer_cap);
|
|
|
|
/* facility */
|
|
|
|
if (setup->fields & MNCC_F_FACILITY)
|
|
|
|
encode_facility(msg, 0, &setup->facility);
|
|
|
|
/* progress */
|
|
|
|
if (setup->fields & MNCC_F_PROGRESS)
|
|
|
|
encode_progress(msg, 0, &setup->progress);
|
|
|
|
/* calling party BCD number */
|
|
|
|
if (setup->fields & MNCC_F_CALLING)
|
|
|
|
encode_calling(msg, &setup->calling);
|
|
|
|
/* called party BCD number */
|
|
|
|
if (setup->fields & MNCC_F_CALLED)
|
|
|
|
encode_called(msg, &setup->called);
|
|
|
|
/* user-user */
|
|
|
|
if (setup->fields & MNCC_F_USERUSER)
|
|
|
|
encode_useruser(msg, 0, &setup->useruser);
|
|
|
|
/* redirecting party BCD number */
|
|
|
|
if (setup->fields & MNCC_F_REDIRECTING)
|
|
|
|
encode_redirecting(msg, &setup->redirecting);
|
|
|
|
/* signal */
|
|
|
|
if (setup->fields & MNCC_F_SIGNAL)
|
|
|
|
encode_signal(msg, setup->signal);
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_CALL_PRESENT);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
2008-12-23 20:25:15 +00:00
|
|
|
}
|
2008-12-25 23:28:35 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
static int gsm48_cc_rx_call_conf(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc call_conf;
|
2008-12-25 23:28:35 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
gsm48_start_cc_timer(trans, 0x310, GSM48_T310);
|
2008-12-25 23:28:35 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
memset(&call_conf, 0, sizeof(struct gsm_mncc));
|
|
|
|
call_conf.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, 0, 0);
|
|
|
|
#if 0
|
|
|
|
/* repeat */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_REPEAT_CIR))
|
|
|
|
call_conf.repeat = 1;
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_REPEAT_SEQ))
|
|
|
|
call_conf.repeat = 2;
|
|
|
|
#endif
|
|
|
|
/* bearer capability */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_BEARER_CAP)) {
|
|
|
|
call_conf.fields |= MNCC_F_BEARER_CAP;
|
|
|
|
decode_bearer_cap(&call_conf.bearer_cap,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_BEARER_CAP)-1);
|
|
|
|
}
|
|
|
|
/* cause */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_CAUSE)) {
|
|
|
|
call_conf.fields |= MNCC_F_CAUSE;
|
|
|
|
decode_cause(&call_conf.cause,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_CAUSE)-1);
|
|
|
|
}
|
|
|
|
/* cc cap */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_CC_CAP)) {
|
|
|
|
call_conf.fields |= MNCC_F_CCCAP;
|
|
|
|
decode_cccap(&call_conf.cccap,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_CC_CAP)-1);
|
|
|
|
}
|
2008-12-25 23:28:35 +00:00
|
|
|
|
2009-06-10 15:11:52 +00:00
|
|
|
new_cc_state(trans, GSM_CSTATE_MO_TERM_CALL_CONF);
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_CALL_CONF_IND, &call_conf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_call_proc(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *proceeding = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_CALL_PROC;
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_MO_CALL_PROC);
|
|
|
|
|
|
|
|
/* bearer capability */
|
|
|
|
if (proceeding->fields & MNCC_F_BEARER_CAP)
|
|
|
|
encode_bearer_cap(msg, 0, &proceeding->bearer_cap);
|
|
|
|
/* facility */
|
|
|
|
if (proceeding->fields & MNCC_F_FACILITY)
|
|
|
|
encode_facility(msg, 0, &proceeding->facility);
|
|
|
|
/* progress */
|
|
|
|
if (proceeding->fields & MNCC_F_PROGRESS)
|
|
|
|
encode_progress(msg, 0, &proceeding->progress);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_alerting(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc alerting;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
gsm48_start_cc_timer(trans, 0x301, GSM48_T301);
|
|
|
|
|
|
|
|
memset(&alerting, 0, sizeof(struct gsm_mncc));
|
|
|
|
alerting.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, 0, 0);
|
|
|
|
/* facility */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_FACILITY)) {
|
|
|
|
alerting.fields |= MNCC_F_FACILITY;
|
|
|
|
decode_facility(&alerting.facility,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* progress */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_PROGR_IND)) {
|
|
|
|
alerting.fields |= MNCC_F_PROGRESS;
|
|
|
|
decode_progress(&alerting.progress,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_PROGR_IND)-1);
|
|
|
|
}
|
|
|
|
/* ss-version */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_SS_VERS)) {
|
|
|
|
alerting.fields |= MNCC_F_SSVERSION;
|
|
|
|
decode_ssversion(&alerting.ssversion,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_SS_VERS)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_CALL_RECEIVED);
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_ALERT_IND, &alerting);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_alerting(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *alerting = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_ALERTING;
|
|
|
|
|
|
|
|
/* facility */
|
|
|
|
if (alerting->fields & MNCC_F_FACILITY)
|
|
|
|
encode_facility(msg, 0, &alerting->facility);
|
|
|
|
/* progress */
|
|
|
|
if (alerting->fields & MNCC_F_PROGRESS)
|
|
|
|
encode_progress(msg, 0, &alerting->progress);
|
|
|
|
/* user-user */
|
|
|
|
if (alerting->fields & MNCC_F_USERUSER)
|
|
|
|
encode_useruser(msg, 0, &alerting->useruser);
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_CALL_DELIVERED);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_progress(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *progress = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_PROGRESS;
|
|
|
|
|
|
|
|
/* progress */
|
|
|
|
encode_progress(msg, 1, &progress->progress);
|
|
|
|
/* user-user */
|
|
|
|
if (progress->fields & MNCC_F_USERUSER)
|
|
|
|
encode_useruser(msg, 0, &progress->useruser);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_connect(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *connect = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_CONNECT;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
gsm48_start_cc_timer(trans, 0x313, GSM48_T313);
|
|
|
|
|
|
|
|
/* facility */
|
|
|
|
if (connect->fields & MNCC_F_FACILITY)
|
|
|
|
encode_facility(msg, 0, &connect->facility);
|
|
|
|
/* progress */
|
|
|
|
if (connect->fields & MNCC_F_PROGRESS)
|
|
|
|
encode_progress(msg, 0, &connect->progress);
|
|
|
|
/* connected number */
|
|
|
|
if (connect->fields & MNCC_F_CONNECTED)
|
|
|
|
encode_connected(msg, &connect->connected);
|
|
|
|
/* user-user */
|
|
|
|
if (connect->fields & MNCC_F_USERUSER)
|
|
|
|
encode_useruser(msg, 0, &connect->useruser);
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_CONNECT_IND);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_connect(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc connect;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
|
|
|
|
memset(&connect, 0, sizeof(struct gsm_mncc));
|
|
|
|
connect.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, 0, 0);
|
|
|
|
/* use subscriber as connected party number */
|
|
|
|
if (trans->subscr) {
|
|
|
|
connect.fields |= MNCC_F_CONNECTED;
|
|
|
|
strncpy(connect.connected.number, trans->subscr->extension,
|
|
|
|
sizeof(connect.connected.number)-1);
|
2009-06-15 21:22:09 +00:00
|
|
|
strncpy(connect.imsi, trans->subscr->imsi,
|
|
|
|
sizeof(connect.imsi)-1);
|
2009-06-10 15:11:52 +00:00
|
|
|
}
|
|
|
|
/* facility */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_FACILITY)) {
|
|
|
|
connect.fields |= MNCC_F_FACILITY;
|
|
|
|
decode_facility(&connect.facility,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
|
|
|
|
}
|
|
|
|
/* user-user */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_USER_USER)) {
|
|
|
|
connect.fields |= MNCC_F_USERUSER;
|
|
|
|
decode_useruser(&connect.useruser,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_USER_USER)-1);
|
|
|
|
}
|
|
|
|
/* ss-version */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_SS_VERS)) {
|
|
|
|
connect.fields |= MNCC_F_SSVERSION;
|
|
|
|
decode_ssversion(&connect.ssversion,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_SS_VERS)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_CONNECT_REQUEST);
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_SETUP_CNF, &connect);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_connect_ack(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc connect_ack;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_ACTIVE);
|
|
|
|
|
|
|
|
memset(&connect_ack, 0, sizeof(struct gsm_mncc));
|
|
|
|
connect_ack.callref = trans->callref;
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_SETUP_COMPL_IND,
|
|
|
|
&connect_ack);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_connect_ack(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_CONNECT_ACK;
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_ACTIVE);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_disconnect(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc disc;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_DISCONNECT_REQ);
|
|
|
|
|
|
|
|
memset(&disc, 0, sizeof(struct gsm_mncc));
|
|
|
|
disc.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, GSM48_IE_CAUSE, 0);
|
|
|
|
/* cause */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_CAUSE)) {
|
|
|
|
disc.fields |= MNCC_F_CAUSE;
|
|
|
|
decode_cause(&disc.cause,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_CAUSE)-1);
|
|
|
|
}
|
|
|
|
/* facility */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_FACILITY)) {
|
|
|
|
disc.fields |= MNCC_F_FACILITY;
|
|
|
|
decode_facility(&disc.facility,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
|
|
|
|
}
|
|
|
|
/* user-user */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_USER_USER)) {
|
|
|
|
disc.fields |= MNCC_F_USERUSER;
|
|
|
|
decode_useruser(&disc.useruser,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_USER_USER)-1);
|
|
|
|
}
|
|
|
|
/* ss-version */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_SS_VERS)) {
|
|
|
|
disc.fields |= MNCC_F_SSVERSION;
|
|
|
|
decode_ssversion(&disc.ssversion,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_SS_VERS)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_DISC_IND, &disc);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
2009-06-11 06:23:20 +00:00
|
|
|
static struct gsm_mncc_cause default_cause = {
|
|
|
|
.location = GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
.coding = 0,
|
|
|
|
.rec = 0,
|
|
|
|
.rec_val = 0,
|
|
|
|
.value = GSM48_CC_CAUSE_NORMAL_UNSPEC,
|
|
|
|
.diag_len = 0,
|
|
|
|
.diag = { 0 },
|
|
|
|
};
|
2009-06-10 15:11:52 +00:00
|
|
|
|
|
|
|
static int gsm48_cc_tx_disconnect(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *disc = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_DISCONNECT;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
gsm48_start_cc_timer(trans, 0x306, GSM48_T306);
|
|
|
|
|
|
|
|
/* cause */
|
|
|
|
if (disc->fields & MNCC_F_CAUSE)
|
|
|
|
encode_cause(msg, 1, &disc->cause);
|
|
|
|
else
|
|
|
|
encode_cause(msg, 1, &default_cause);
|
|
|
|
|
|
|
|
/* facility */
|
|
|
|
if (disc->fields & MNCC_F_FACILITY)
|
|
|
|
encode_facility(msg, 0, &disc->facility);
|
|
|
|
/* progress */
|
|
|
|
if (disc->fields & MNCC_F_PROGRESS)
|
|
|
|
encode_progress(msg, 0, &disc->progress);
|
|
|
|
/* user-user */
|
|
|
|
if (disc->fields & MNCC_F_USERUSER)
|
|
|
|
encode_useruser(msg, 0, &disc->useruser);
|
|
|
|
|
|
|
|
/* store disconnect cause for T306 expiry */
|
|
|
|
memcpy(&trans->cc_msg, disc, sizeof(struct gsm_mncc));
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_DISCONNECT_IND);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_release(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc rel;
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
|
|
|
|
memset(&rel, 0, sizeof(struct gsm_mncc));
|
|
|
|
rel.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, 0, 0);
|
|
|
|
/* cause */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_CAUSE)) {
|
|
|
|
rel.fields |= MNCC_F_CAUSE;
|
|
|
|
decode_cause(&rel.cause,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_CAUSE)-1);
|
|
|
|
}
|
|
|
|
/* facility */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_FACILITY)) {
|
|
|
|
rel.fields |= MNCC_F_FACILITY;
|
|
|
|
decode_facility(&rel.facility,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
|
|
|
|
}
|
|
|
|
/* user-user */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_USER_USER)) {
|
|
|
|
rel.fields |= MNCC_F_USERUSER;
|
|
|
|
decode_useruser(&rel.useruser,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_USER_USER)-1);
|
|
|
|
}
|
|
|
|
/* ss-version */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_SS_VERS)) {
|
|
|
|
rel.fields |= MNCC_F_SSVERSION;
|
|
|
|
decode_ssversion(&rel.ssversion,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_SS_VERS)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (trans->state == GSM_CSTATE_RELEASE_REQ) {
|
|
|
|
/* release collision 5.4.5 */
|
|
|
|
rc = mncc_recvmsg(trans->network, trans, MNCC_REL_CNF, &rel);
|
|
|
|
} else {
|
|
|
|
rc = gsm48_tx_simple(msg->lchan, GSM48_PDISC_CC | trans->transaction_id,
|
|
|
|
GSM48_MT_CC_RELEASE_COMPL);
|
|
|
|
rc = mncc_recvmsg(trans->network, trans, MNCC_REL_IND, &rel);
|
|
|
|
}
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_NULL);
|
|
|
|
|
|
|
|
trans->callref = 0;
|
|
|
|
free_trans(trans);
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_release(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *rel = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_RELEASE;
|
|
|
|
|
|
|
|
trans->callref = 0;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
gsm48_start_cc_timer(trans, 0x308, GSM48_T308);
|
|
|
|
|
|
|
|
/* cause */
|
|
|
|
if (rel->fields & MNCC_F_CAUSE)
|
|
|
|
encode_cause(msg, 0, &rel->cause);
|
|
|
|
/* facility */
|
|
|
|
if (rel->fields & MNCC_F_FACILITY)
|
|
|
|
encode_facility(msg, 0, &rel->facility);
|
|
|
|
/* user-user */
|
|
|
|
if (rel->fields & MNCC_F_USERUSER)
|
|
|
|
encode_useruser(msg, 0, &rel->useruser);
|
|
|
|
|
|
|
|
trans->T308_second = 0;
|
|
|
|
memcpy(&trans->cc_msg, rel, sizeof(struct gsm_mncc));
|
|
|
|
|
|
|
|
if (trans->state != GSM_CSTATE_RELEASE_REQ)
|
|
|
|
new_cc_state(trans, GSM_CSTATE_RELEASE_REQ);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_release_compl(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc rel;
|
|
|
|
int rc = 0;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
|
|
|
|
memset(&rel, 0, sizeof(struct gsm_mncc));
|
|
|
|
rel.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, 0, 0);
|
|
|
|
/* cause */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_CAUSE)) {
|
|
|
|
rel.fields |= MNCC_F_CAUSE;
|
|
|
|
decode_cause(&rel.cause,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_CAUSE)-1);
|
|
|
|
}
|
|
|
|
/* facility */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_FACILITY)) {
|
|
|
|
rel.fields |= MNCC_F_FACILITY;
|
|
|
|
decode_facility(&rel.facility,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
|
|
|
|
}
|
|
|
|
/* user-user */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_USER_USER)) {
|
|
|
|
rel.fields |= MNCC_F_USERUSER;
|
|
|
|
decode_useruser(&rel.useruser,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_USER_USER)-1);
|
|
|
|
}
|
|
|
|
/* ss-version */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_SS_VERS)) {
|
|
|
|
rel.fields |= MNCC_F_SSVERSION;
|
|
|
|
decode_ssversion(&rel.ssversion,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_SS_VERS)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (trans->callref) {
|
|
|
|
switch (trans->state) {
|
|
|
|
case GSM_CSTATE_CALL_PRESENT:
|
|
|
|
rc = mncc_recvmsg(trans->network, trans,
|
|
|
|
MNCC_REJ_IND, &rel);
|
|
|
|
break;
|
|
|
|
case GSM_CSTATE_RELEASE_REQ:
|
|
|
|
rc = mncc_recvmsg(trans->network, trans,
|
|
|
|
MNCC_REL_CNF, &rel);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
rc = mncc_recvmsg(trans->network, trans,
|
|
|
|
MNCC_REL_IND, &rel);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
trans->callref = 0;
|
|
|
|
free_trans(trans);
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_release_compl(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *rel = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_RELEASE_COMPL;
|
|
|
|
|
|
|
|
trans->callref = 0;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
|
|
|
|
/* cause */
|
|
|
|
if (rel->fields & MNCC_F_CAUSE)
|
|
|
|
encode_cause(msg, 0, &rel->cause);
|
|
|
|
/* facility */
|
|
|
|
if (rel->fields & MNCC_F_FACILITY)
|
|
|
|
encode_facility(msg, 0, &rel->facility);
|
|
|
|
/* user-user */
|
|
|
|
if (rel->fields & MNCC_F_USERUSER)
|
|
|
|
encode_useruser(msg, 0, &rel->useruser);
|
|
|
|
|
|
|
|
free_trans(trans);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_facility(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc fac;
|
|
|
|
|
|
|
|
memset(&fac, 0, sizeof(struct gsm_mncc));
|
|
|
|
fac.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, GSM48_IE_FACILITY, 0);
|
|
|
|
/* facility */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_FACILITY)) {
|
|
|
|
fac.fields |= MNCC_F_FACILITY;
|
|
|
|
decode_facility(&fac.facility,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_FACILITY)-1);
|
|
|
|
}
|
|
|
|
/* ss-version */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_SS_VERS)) {
|
|
|
|
fac.fields |= MNCC_F_SSVERSION;
|
|
|
|
decode_ssversion(&fac.ssversion,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_SS_VERS)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_FACILITY_IND, &fac);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_facility(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *fac = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_FACILITY;
|
|
|
|
|
|
|
|
/* facility */
|
|
|
|
encode_facility(msg, 1, &fac->facility);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_hold(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc hold;
|
|
|
|
|
|
|
|
memset(&hold, 0, sizeof(struct gsm_mncc));
|
|
|
|
hold.callref = trans->callref;
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_HOLD_IND, &hold);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_hold_ack(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_HOLD_ACK;
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_hold_rej(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *hold_rej = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_HOLD_REJ;
|
|
|
|
|
|
|
|
/* cause */
|
|
|
|
if (hold_rej->fields & MNCC_F_CAUSE)
|
|
|
|
encode_cause(msg, 1, &hold_rej->cause);
|
|
|
|
else
|
|
|
|
encode_cause(msg, 1, &default_cause);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_retrieve(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc retrieve;
|
|
|
|
|
|
|
|
memset(&retrieve, 0, sizeof(struct gsm_mncc));
|
|
|
|
retrieve.callref = trans->callref;
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_RETRIEVE_IND, &retrieve);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_retrieve_ack(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_RETR_ACK;
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_retrieve_rej(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *retrieve_rej = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_RETR_REJ;
|
|
|
|
|
|
|
|
/* cause */
|
|
|
|
if (retrieve_rej->fields & MNCC_F_CAUSE)
|
|
|
|
encode_cause(msg, 1, &retrieve_rej->cause);
|
|
|
|
else
|
|
|
|
encode_cause(msg, 1, &default_cause);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_start_dtmf(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc dtmf;
|
|
|
|
|
|
|
|
memset(&dtmf, 0, sizeof(struct gsm_mncc));
|
|
|
|
dtmf.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, 0, 0);
|
|
|
|
/* keypad facility */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_KPD_FACILITY)) {
|
|
|
|
dtmf.fields |= MNCC_F_KEYPAD;
|
|
|
|
decode_keypad(&dtmf.keypad,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_KPD_FACILITY)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_START_DTMF_IND, &dtmf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_start_dtmf_ack(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *dtmf = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_START_DTMF_ACK;
|
|
|
|
|
|
|
|
/* keypad */
|
|
|
|
if (dtmf->fields & MNCC_F_KEYPAD)
|
|
|
|
encode_keypad(msg, dtmf->keypad);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_start_dtmf_rej(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *dtmf = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_START_DTMF_REJ;
|
|
|
|
|
|
|
|
/* cause */
|
|
|
|
if (dtmf->fields & MNCC_F_CAUSE)
|
|
|
|
encode_cause(msg, 1, &dtmf->cause);
|
|
|
|
else
|
|
|
|
encode_cause(msg, 1, &default_cause);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_stop_dtmf_ack(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_STOP_DTMF_ACK;
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_stop_dtmf(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc dtmf;
|
|
|
|
|
|
|
|
memset(&dtmf, 0, sizeof(struct gsm_mncc));
|
|
|
|
dtmf.callref = trans->callref;
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_STOP_DTMF_IND, &dtmf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_modify(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc modify;
|
|
|
|
|
|
|
|
memset(&modify, 0, sizeof(struct gsm_mncc));
|
|
|
|
modify.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, GSM48_IE_BEARER_CAP, 0);
|
|
|
|
/* bearer capability */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_BEARER_CAP)) {
|
|
|
|
modify.fields |= MNCC_F_BEARER_CAP;
|
|
|
|
decode_bearer_cap(&modify.bearer_cap,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_BEARER_CAP)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_MO_ORIG_MODIFY);
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_MODIFY_IND, &modify);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_modify(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *modify = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_MODIFY;
|
|
|
|
|
|
|
|
gsm48_start_cc_timer(trans, 0x323, GSM48_T323);
|
|
|
|
|
|
|
|
/* bearer capability */
|
|
|
|
encode_bearer_cap(msg, 1, &modify->bearer_cap);
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_MO_TERM_MODIFY);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_modify_complete(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc modify;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
|
|
|
|
memset(&modify, 0, sizeof(struct gsm_mncc));
|
|
|
|
modify.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, GSM48_IE_BEARER_CAP, 0);
|
|
|
|
/* bearer capability */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_BEARER_CAP)) {
|
|
|
|
modify.fields |= MNCC_F_BEARER_CAP;
|
|
|
|
decode_bearer_cap(&modify.bearer_cap,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_BEARER_CAP)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_ACTIVE);
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_MODIFY_CNF, &modify);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_modify_complete(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *modify = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_MODIFY_COMPL;
|
|
|
|
|
|
|
|
/* bearer capability */
|
|
|
|
encode_bearer_cap(msg, 1, &modify->bearer_cap);
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_ACTIVE);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_modify_reject(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc modify;
|
|
|
|
|
|
|
|
gsm48_stop_cc_timer(trans);
|
|
|
|
|
|
|
|
memset(&modify, 0, sizeof(struct gsm_mncc));
|
|
|
|
modify.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, GSM48_IE_BEARER_CAP, GSM48_IE_CAUSE);
|
|
|
|
/* bearer capability */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_BEARER_CAP)) {
|
|
|
|
modify.fields |= GSM48_IE_BEARER_CAP;
|
|
|
|
decode_bearer_cap(&modify.bearer_cap,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_BEARER_CAP)-1);
|
|
|
|
}
|
|
|
|
/* cause */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_CAUSE)) {
|
|
|
|
modify.fields |= MNCC_F_CAUSE;
|
|
|
|
decode_cause(&modify.cause,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_CAUSE)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_ACTIVE);
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_MODIFY_REJ, &modify);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_modify_reject(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *modify = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_MODIFY_REJECT;
|
|
|
|
|
|
|
|
/* bearer capability */
|
|
|
|
encode_bearer_cap(msg, 1, &modify->bearer_cap);
|
|
|
|
/* cause */
|
|
|
|
encode_cause(msg, 1, &modify->cause);
|
|
|
|
|
|
|
|
new_cc_state(trans, GSM_CSTATE_ACTIVE);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_notify(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *notify = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_NOTIFY;
|
|
|
|
|
|
|
|
/* notify */
|
|
|
|
encode_notify(msg, notify->notify);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_notify(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
// struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc notify;
|
|
|
|
|
|
|
|
memset(¬ify, 0, sizeof(struct gsm_mncc));
|
|
|
|
notify.callref = trans->callref;
|
|
|
|
// tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len);
|
|
|
|
if (payload_len >= 1)
|
|
|
|
decode_notify(¬ify.notify, gh->data);
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_NOTIFY_IND, ¬ify);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_tx_userinfo(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *user = arg;
|
|
|
|
struct msgb *msg = gsm48_msgb_alloc();
|
|
|
|
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh));
|
|
|
|
|
|
|
|
gh->proto_discr = GSM48_PDISC_CC | trans->transaction_id;
|
|
|
|
msg->lchan = trans->lchan;
|
|
|
|
gh->msg_type = GSM48_MT_CC_USER_INFO;
|
|
|
|
|
|
|
|
/* user-user */
|
|
|
|
if (user->fields & MNCC_F_USERUSER)
|
|
|
|
encode_useruser(msg, 1, &user->useruser);
|
|
|
|
/* more data */
|
|
|
|
if (user->more)
|
|
|
|
encode_more(msg);
|
|
|
|
|
|
|
|
return gsm48_sendmsg(msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_cc_rx_userinfo(struct gsm_trans *trans, struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
|
|
|
|
struct tlv_parsed tp;
|
|
|
|
struct gsm_mncc user;
|
|
|
|
|
|
|
|
memset(&user, 0, sizeof(struct gsm_mncc));
|
|
|
|
user.callref = trans->callref;
|
|
|
|
tlv_parse(&tp, &rsl_att_tlvdef, gh->data, payload_len, GSM48_IE_USER_USER, 0);
|
|
|
|
/* user-user */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_USER_USER)) {
|
|
|
|
user.fields |= MNCC_F_USERUSER;
|
|
|
|
decode_useruser(&user.useruser,
|
|
|
|
TLVP_VAL(&tp, GSM48_IE_USER_USER)-1);
|
|
|
|
}
|
|
|
|
/* more data */
|
|
|
|
if (TLVP_PRESENT(&tp, GSM48_IE_MORE_DATA))
|
|
|
|
user.more = 1;
|
|
|
|
|
|
|
|
return mncc_recvmsg(trans->network, trans, MNCC_USERINFO_IND, &user);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gsm48_lchan_modify(struct gsm_trans *trans, void *arg)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *mode = arg;
|
|
|
|
|
|
|
|
return gsm48_tx_chan_mode_modify(trans->lchan, mode->lchan_mode);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct downstate {
|
|
|
|
u_int32_t states;
|
|
|
|
int type;
|
|
|
|
int (*rout) (struct gsm_trans *trans, void *arg);
|
|
|
|
} downstatelist[] = {
|
|
|
|
/* mobile originating call establishment */
|
|
|
|
{SBIT(GSM_CSTATE_INITIATED), /* 5.2.1.2 */
|
|
|
|
MNCC_CALL_PROC_REQ, gsm48_cc_tx_call_proc},
|
|
|
|
{SBIT(GSM_CSTATE_INITIATED) | SBIT(GSM_CSTATE_MO_CALL_PROC), /* 5.2.1.2 | 5.2.1.5 */
|
|
|
|
MNCC_ALERT_REQ, gsm48_cc_tx_alerting},
|
|
|
|
{SBIT(GSM_CSTATE_INITIATED) | SBIT(GSM_CSTATE_MO_CALL_PROC) | SBIT(GSM_CSTATE_CALL_DELIVERED), /* 5.2.1.2 | 5.2.1.6 | 5.2.1.6 */
|
|
|
|
MNCC_SETUP_RSP, gsm48_cc_tx_connect},
|
|
|
|
{SBIT(GSM_CSTATE_MO_CALL_PROC), /* 5.2.1.4.2 */
|
|
|
|
MNCC_PROGRESS_REQ, gsm48_cc_tx_progress},
|
|
|
|
/* mobile terminating call establishment */
|
|
|
|
{SBIT(GSM_CSTATE_NULL), /* 5.2.2.1 */
|
|
|
|
MNCC_SETUP_REQ, gsm48_cc_tx_setup},
|
|
|
|
{SBIT(GSM_CSTATE_CONNECT_REQUEST),
|
|
|
|
MNCC_SETUP_COMPL_REQ, gsm48_cc_tx_connect_ack},
|
|
|
|
/* signalling during call */
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
MNCC_NOTIFY_REQ, gsm48_cc_tx_notify},
|
|
|
|
{ALL_STATES - SBIT(GSM_CSTATE_NULL) - SBIT(GSM_CSTATE_RELEASE_REQ),
|
|
|
|
MNCC_FACILITY_REQ, gsm48_cc_tx_facility},
|
|
|
|
{ALL_STATES,
|
|
|
|
MNCC_START_DTMF_RSP, gsm48_cc_tx_start_dtmf_ack},
|
|
|
|
{ALL_STATES,
|
|
|
|
MNCC_START_DTMF_REJ, gsm48_cc_tx_start_dtmf_rej},
|
|
|
|
{ALL_STATES,
|
|
|
|
MNCC_STOP_DTMF_RSP, gsm48_cc_tx_stop_dtmf_ack},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
MNCC_HOLD_CNF, gsm48_cc_tx_hold_ack},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
MNCC_HOLD_REJ, gsm48_cc_tx_hold_rej},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
MNCC_RETRIEVE_CNF, gsm48_cc_tx_retrieve_ack},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
MNCC_RETRIEVE_REJ, gsm48_cc_tx_retrieve_rej},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
MNCC_MODIFY_REQ, gsm48_cc_tx_modify},
|
|
|
|
{SBIT(GSM_CSTATE_MO_ORIG_MODIFY),
|
|
|
|
MNCC_MODIFY_RSP, gsm48_cc_tx_modify_complete},
|
|
|
|
{SBIT(GSM_CSTATE_MO_ORIG_MODIFY),
|
|
|
|
MNCC_MODIFY_REJ, gsm48_cc_tx_modify_reject},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
MNCC_USERINFO_REQ, gsm48_cc_tx_userinfo},
|
|
|
|
/* clearing */
|
|
|
|
{SBIT(GSM_CSTATE_INITIATED),
|
|
|
|
MNCC_REJ_REQ, gsm48_cc_tx_release_compl},
|
|
|
|
{ALL_STATES - SBIT(GSM_CSTATE_NULL) - SBIT(GSM_CSTATE_DISCONNECT_IND) - SBIT(GSM_CSTATE_RELEASE_REQ) - SBIT(GSM_CSTATE_DISCONNECT_REQ), /* 5.4.4 */
|
|
|
|
MNCC_DISC_REQ, gsm48_cc_tx_disconnect},
|
|
|
|
{ALL_STATES - SBIT(GSM_CSTATE_NULL) - SBIT(GSM_CSTATE_RELEASE_REQ), /* 5.4.3.2 */
|
|
|
|
MNCC_REL_REQ, gsm48_cc_tx_release},
|
|
|
|
/* special */
|
|
|
|
{ALL_STATES,
|
|
|
|
MNCC_LCHAN_MODIFY, gsm48_lchan_modify},
|
|
|
|
};
|
|
|
|
|
|
|
|
#define DOWNSLLEN \
|
|
|
|
(sizeof(downstatelist) / sizeof(struct downstate))
|
|
|
|
|
|
|
|
|
|
|
|
int mncc_send(struct gsm_network *net, int msg_type, void *arg)
|
|
|
|
{
|
|
|
|
int i, j, k, l, rc = 0;
|
|
|
|
struct gsm_trans *trans = NULL, *transt;
|
|
|
|
struct gsm_subscriber *subscr;
|
|
|
|
struct gsm_lchan *lchan = NULL, *lchant;
|
|
|
|
struct gsm_bts *bts = NULL;
|
|
|
|
struct gsm_bts_trx *trx;
|
|
|
|
struct gsm_bts_trx_ts *ts;
|
|
|
|
struct gsm_mncc *data = arg, rel;
|
|
|
|
|
|
|
|
/* handle special messages */
|
|
|
|
switch(msg_type) {
|
|
|
|
case MNCC_BRIDGE:
|
|
|
|
return tch_bridge(net, arg);
|
|
|
|
case MNCC_FRAME_DROP:
|
|
|
|
return tch_recv(net, arg, 0);
|
|
|
|
case MNCC_FRAME_RECV:
|
|
|
|
return tch_recv(net, arg, 1);
|
|
|
|
case GSM_TRAU_FRAME:
|
|
|
|
return tch_frame(net, arg);
|
|
|
|
}
|
|
|
|
|
|
|
|
memset(&rel, 0, sizeof(struct gsm_mncc));
|
|
|
|
rel.callref = data->callref;
|
|
|
|
|
|
|
|
/* Find callref */
|
|
|
|
trans = get_trans_ref(net, data->callref);
|
|
|
|
|
|
|
|
/* Callref unknown */
|
|
|
|
if (!trans) {
|
2009-06-15 21:22:09 +00:00
|
|
|
if (msg_type != MNCC_SETUP_REQ ||
|
|
|
|
(!data->called.number[0] && !data->imsi[0])) {
|
2009-06-10 15:11:52 +00:00
|
|
|
DEBUGP(DCC, "(bts - trx - ts - ti -- sub %s) "
|
|
|
|
"Received '%s' from MNCC with "
|
|
|
|
"unknown callref %d\n", data->called.number,
|
|
|
|
get_mncc_name(msg_type), data->callref);
|
|
|
|
/* Invalid call reference */
|
Use correct cause value and cause location
Fixed indication of cause value and location.
Replaced plain cause numbers by definitions from header file.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index f323a2a..39e7b1f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1865,8 +1865,7 @@ int mncc_release_ind(struct gsm_network *net, struct gsm_trans *trans,
memset(&rel, 0, sizeof(rel));
rel.callref = callref;
- mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU,
- GSM48_CC_CAUSE_UNASSIGNED_NR);
+ mncc_set_cause(&rel, location, value);
return mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
}
@@ -1879,7 +1878,9 @@ void free_trans(struct gsm_trans *trans)
/* send release to L4, if callref still exists */
if (trans->callref) {
/* Ressource unavailable */
- mncc_release_ind(trans->network, trans, trans->callref, 1, 47);
+ mncc_release_ind(trans->network, trans, trans->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
if (trans->state != GSM_CSTATE_NULL)
new_cc_state(trans, GSM_CSTATE_NULL);
}
@@ -1960,7 +1961,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
subscr->extension);
/* Temporarily out of order */
mncc_release_ind(transt->network, transt, transt->callref,
- 1, 27);
+ 1, GSM48_CC_CAUSE_DEST_OOO);
transt->callref = 0;
free_trans(transt);
break;
@@ -2270,7 +2271,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
"This is not allowed!\n");
/* Temporarily out of order */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -2287,7 +2289,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
if ((trans_id_mask & 0x007f) == 0x7f) {
/* no free transaction ID */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -3373,14 +3376,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown callref %d\n", data->called.number,
get_mncc_name(msg_type), data->callref);
/* Invalid call reference */
- return mncc_release_ind(net, NULL, data->callref, 1, 81);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INVAL_TRANS_ID);
}
if (!data->called.number[0] && !data->called.imsi[0]) {
DEBUGP(DCC, "(bts - trx - ts - ti) "
"Received '%s' from MNCC with "
"no number or IMSI\n", get_mncc_name(msg_type));
/* Invalid number */
- return mncc_release_ind(net, NULL, data->callref, 1, 28);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INV_NR_FORMAT);
}
/* New transaction due to setup, find subscriber */
if (data->called.number[0])
@@ -3394,7 +3401,9 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown subscriber %s\n", data->called.number,
get_mncc_name(msg_type), data->called.number);
/* Unknown subscriber */
- return mncc_release_ind(net, NULL, data->callref, 1, 1);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_UNASSIGNED_NR);
}
/* If subscriber is not "attached" */
if (!subscr->lac) {
@@ -3404,14 +3413,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
get_mncc_name(msg_type), data->called.number);
subscr_put(subscr);
/* Temporarily out of order */
- return mncc_release_ind(net, NULL, data->callref, 1, 27);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_DEST_OOO);
}
/* Create transaction */
if (!(trans = calloc(1, sizeof(struct gsm_trans)))) {
DEBUGP(DCC, "No memory for trans.\n");
subscr_put(subscr);
/* Ressource unavailable */
- mncc_release_ind(net, NULL, data->callref, 1, 47);
+ mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
return -ENOMEM;
}
trans->callref = data->callref;
2009-06-14 14:14:12 +00:00
|
|
|
return mncc_release_ind(net, NULL, data->callref,
|
|
|
|
GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
GSM48_CC_CAUSE_INVAL_TRANS_ID);
|
2009-06-10 15:11:52 +00:00
|
|
|
}
|
2009-06-15 21:22:09 +00:00
|
|
|
if (!data->called.number[0] && !data->imsi[0]) {
|
|
|
|
DEBUGP(DCC, "(bts - trx - ts - ti) "
|
|
|
|
"Received '%s' from MNCC with "
|
|
|
|
"no number or IMSI\n", get_mncc_name(msg_type));
|
|
|
|
/* Invalid number */
|
|
|
|
return mncc_release_ind(net, NULL, data->callref,
|
|
|
|
GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
GSM48_CC_CAUSE_INV_NR_FORMAT);
|
|
|
|
}
|
2009-06-10 15:11:52 +00:00
|
|
|
/* New transaction due to setup, find subscriber */
|
2009-06-15 21:22:09 +00:00
|
|
|
if (data->called.number[0])
|
|
|
|
subscr = subscr_get_by_extension(data->called.number);
|
|
|
|
else
|
|
|
|
subscr = subscr_get_by_imsi(data->imsi);
|
2009-06-10 15:11:52 +00:00
|
|
|
/* If subscriber is not found */
|
|
|
|
if (!subscr) {
|
|
|
|
DEBUGP(DCC, "(bts - trx - ts - ti -- sub %s) "
|
|
|
|
"Received '%s' from MNCC with "
|
|
|
|
"unknown subscriber %s\n", data->called.number,
|
|
|
|
get_mncc_name(msg_type), data->called.number);
|
|
|
|
/* Unknown subscriber */
|
Use correct cause value and cause location
Fixed indication of cause value and location.
Replaced plain cause numbers by definitions from header file.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index f323a2a..39e7b1f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1865,8 +1865,7 @@ int mncc_release_ind(struct gsm_network *net, struct gsm_trans *trans,
memset(&rel, 0, sizeof(rel));
rel.callref = callref;
- mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU,
- GSM48_CC_CAUSE_UNASSIGNED_NR);
+ mncc_set_cause(&rel, location, value);
return mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
}
@@ -1879,7 +1878,9 @@ void free_trans(struct gsm_trans *trans)
/* send release to L4, if callref still exists */
if (trans->callref) {
/* Ressource unavailable */
- mncc_release_ind(trans->network, trans, trans->callref, 1, 47);
+ mncc_release_ind(trans->network, trans, trans->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
if (trans->state != GSM_CSTATE_NULL)
new_cc_state(trans, GSM_CSTATE_NULL);
}
@@ -1960,7 +1961,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
subscr->extension);
/* Temporarily out of order */
mncc_release_ind(transt->network, transt, transt->callref,
- 1, 27);
+ 1, GSM48_CC_CAUSE_DEST_OOO);
transt->callref = 0;
free_trans(transt);
break;
@@ -2270,7 +2271,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
"This is not allowed!\n");
/* Temporarily out of order */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -2287,7 +2289,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
if ((trans_id_mask & 0x007f) == 0x7f) {
/* no free transaction ID */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -3373,14 +3376,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown callref %d\n", data->called.number,
get_mncc_name(msg_type), data->callref);
/* Invalid call reference */
- return mncc_release_ind(net, NULL, data->callref, 1, 81);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INVAL_TRANS_ID);
}
if (!data->called.number[0] && !data->called.imsi[0]) {
DEBUGP(DCC, "(bts - trx - ts - ti) "
"Received '%s' from MNCC with "
"no number or IMSI\n", get_mncc_name(msg_type));
/* Invalid number */
- return mncc_release_ind(net, NULL, data->callref, 1, 28);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INV_NR_FORMAT);
}
/* New transaction due to setup, find subscriber */
if (data->called.number[0])
@@ -3394,7 +3401,9 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown subscriber %s\n", data->called.number,
get_mncc_name(msg_type), data->called.number);
/* Unknown subscriber */
- return mncc_release_ind(net, NULL, data->callref, 1, 1);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_UNASSIGNED_NR);
}
/* If subscriber is not "attached" */
if (!subscr->lac) {
@@ -3404,14 +3413,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
get_mncc_name(msg_type), data->called.number);
subscr_put(subscr);
/* Temporarily out of order */
- return mncc_release_ind(net, NULL, data->callref, 1, 27);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_DEST_OOO);
}
/* Create transaction */
if (!(trans = calloc(1, sizeof(struct gsm_trans)))) {
DEBUGP(DCC, "No memory for trans.\n");
subscr_put(subscr);
/* Ressource unavailable */
- mncc_release_ind(net, NULL, data->callref, 1, 47);
+ mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
return -ENOMEM;
}
trans->callref = data->callref;
2009-06-14 14:14:12 +00:00
|
|
|
return mncc_release_ind(net, NULL, data->callref,
|
|
|
|
GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
GSM48_CC_CAUSE_UNASSIGNED_NR);
|
2009-06-10 15:11:52 +00:00
|
|
|
}
|
|
|
|
/* If subscriber is not "attached" */
|
|
|
|
if (!subscr->lac) {
|
|
|
|
DEBUGP(DCC, "(bts - trx - ts - ti -- sub %s) "
|
|
|
|
"Received '%s' from MNCC with "
|
|
|
|
"detached subscriber %s\n", data->called.number,
|
|
|
|
get_mncc_name(msg_type), data->called.number);
|
|
|
|
subscr_put(subscr);
|
|
|
|
/* Temporarily out of order */
|
Use correct cause value and cause location
Fixed indication of cause value and location.
Replaced plain cause numbers by definitions from header file.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index f323a2a..39e7b1f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1865,8 +1865,7 @@ int mncc_release_ind(struct gsm_network *net, struct gsm_trans *trans,
memset(&rel, 0, sizeof(rel));
rel.callref = callref;
- mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU,
- GSM48_CC_CAUSE_UNASSIGNED_NR);
+ mncc_set_cause(&rel, location, value);
return mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
}
@@ -1879,7 +1878,9 @@ void free_trans(struct gsm_trans *trans)
/* send release to L4, if callref still exists */
if (trans->callref) {
/* Ressource unavailable */
- mncc_release_ind(trans->network, trans, trans->callref, 1, 47);
+ mncc_release_ind(trans->network, trans, trans->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
if (trans->state != GSM_CSTATE_NULL)
new_cc_state(trans, GSM_CSTATE_NULL);
}
@@ -1960,7 +1961,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
subscr->extension);
/* Temporarily out of order */
mncc_release_ind(transt->network, transt, transt->callref,
- 1, 27);
+ 1, GSM48_CC_CAUSE_DEST_OOO);
transt->callref = 0;
free_trans(transt);
break;
@@ -2270,7 +2271,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
"This is not allowed!\n");
/* Temporarily out of order */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -2287,7 +2289,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
if ((trans_id_mask & 0x007f) == 0x7f) {
/* no free transaction ID */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -3373,14 +3376,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown callref %d\n", data->called.number,
get_mncc_name(msg_type), data->callref);
/* Invalid call reference */
- return mncc_release_ind(net, NULL, data->callref, 1, 81);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INVAL_TRANS_ID);
}
if (!data->called.number[0] && !data->called.imsi[0]) {
DEBUGP(DCC, "(bts - trx - ts - ti) "
"Received '%s' from MNCC with "
"no number or IMSI\n", get_mncc_name(msg_type));
/* Invalid number */
- return mncc_release_ind(net, NULL, data->callref, 1, 28);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INV_NR_FORMAT);
}
/* New transaction due to setup, find subscriber */
if (data->called.number[0])
@@ -3394,7 +3401,9 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown subscriber %s\n", data->called.number,
get_mncc_name(msg_type), data->called.number);
/* Unknown subscriber */
- return mncc_release_ind(net, NULL, data->callref, 1, 1);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_UNASSIGNED_NR);
}
/* If subscriber is not "attached" */
if (!subscr->lac) {
@@ -3404,14 +3413,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
get_mncc_name(msg_type), data->called.number);
subscr_put(subscr);
/* Temporarily out of order */
- return mncc_release_ind(net, NULL, data->callref, 1, 27);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_DEST_OOO);
}
/* Create transaction */
if (!(trans = calloc(1, sizeof(struct gsm_trans)))) {
DEBUGP(DCC, "No memory for trans.\n");
subscr_put(subscr);
/* Ressource unavailable */
- mncc_release_ind(net, NULL, data->callref, 1, 47);
+ mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
return -ENOMEM;
}
trans->callref = data->callref;
2009-06-14 14:14:12 +00:00
|
|
|
return mncc_release_ind(net, NULL, data->callref,
|
|
|
|
GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
GSM48_CC_CAUSE_DEST_OOO);
|
2009-06-10 15:11:52 +00:00
|
|
|
}
|
|
|
|
/* Create transaction */
|
2009-06-20 20:36:41 +00:00
|
|
|
if (!(trans = talloc(tall_trans_ctx, struct gsm_trans))) {
|
2009-06-10 15:11:52 +00:00
|
|
|
DEBUGP(DCC, "No memory for trans.\n");
|
|
|
|
subscr_put(subscr);
|
|
|
|
/* Ressource unavailable */
|
Use correct cause value and cause location
Fixed indication of cause value and location.
Replaced plain cause numbers by definitions from header file.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index f323a2a..39e7b1f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1865,8 +1865,7 @@ int mncc_release_ind(struct gsm_network *net, struct gsm_trans *trans,
memset(&rel, 0, sizeof(rel));
rel.callref = callref;
- mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU,
- GSM48_CC_CAUSE_UNASSIGNED_NR);
+ mncc_set_cause(&rel, location, value);
return mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
}
@@ -1879,7 +1878,9 @@ void free_trans(struct gsm_trans *trans)
/* send release to L4, if callref still exists */
if (trans->callref) {
/* Ressource unavailable */
- mncc_release_ind(trans->network, trans, trans->callref, 1, 47);
+ mncc_release_ind(trans->network, trans, trans->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
if (trans->state != GSM_CSTATE_NULL)
new_cc_state(trans, GSM_CSTATE_NULL);
}
@@ -1960,7 +1961,7 @@ static int setup_trig_pag_evt(unsigned int hooknum, unsigned int event,
subscr->extension);
/* Temporarily out of order */
mncc_release_ind(transt->network, transt, transt->callref,
- 1, 27);
+ 1, GSM48_CC_CAUSE_DEST_OOO);
transt->callref = 0;
free_trans(transt);
break;
@@ -2270,7 +2271,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
"This is not allowed!\n");
/* Temporarily out of order */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -2287,7 +2289,8 @@ static int gsm48_cc_tx_setup(struct gsm_trans *trans, void *arg)
if ((trans_id_mask & 0x007f) == 0x7f) {
/* no free transaction ID */
rc = mncc_release_ind(trans->network, trans, trans->callref,
- 1, 47);
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
trans->callref = 0;
free_trans(trans);
return rc;
@@ -3373,14 +3376,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown callref %d\n", data->called.number,
get_mncc_name(msg_type), data->callref);
/* Invalid call reference */
- return mncc_release_ind(net, NULL, data->callref, 1, 81);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INVAL_TRANS_ID);
}
if (!data->called.number[0] && !data->called.imsi[0]) {
DEBUGP(DCC, "(bts - trx - ts - ti) "
"Received '%s' from MNCC with "
"no number or IMSI\n", get_mncc_name(msg_type));
/* Invalid number */
- return mncc_release_ind(net, NULL, data->callref, 1, 28);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_INV_NR_FORMAT);
}
/* New transaction due to setup, find subscriber */
if (data->called.number[0])
@@ -3394,7 +3401,9 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
"unknown subscriber %s\n", data->called.number,
get_mncc_name(msg_type), data->called.number);
/* Unknown subscriber */
- return mncc_release_ind(net, NULL, data->callref, 1, 1);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_UNASSIGNED_NR);
}
/* If subscriber is not "attached" */
if (!subscr->lac) {
@@ -3404,14 +3413,18 @@ int mncc_send(struct gsm_network *net, int msg_type, void *arg)
get_mncc_name(msg_type), data->called.number);
subscr_put(subscr);
/* Temporarily out of order */
- return mncc_release_ind(net, NULL, data->callref, 1, 27);
+ return mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_DEST_OOO);
}
/* Create transaction */
if (!(trans = calloc(1, sizeof(struct gsm_trans)))) {
DEBUGP(DCC, "No memory for trans.\n");
subscr_put(subscr);
/* Ressource unavailable */
- mncc_release_ind(net, NULL, data->callref, 1, 47);
+ mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
return -ENOMEM;
}
trans->callref = data->callref;
2009-06-14 14:14:12 +00:00
|
|
|
mncc_release_ind(net, NULL, data->callref,
|
|
|
|
GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
|
2009-06-10 15:11:52 +00:00
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
trans->callref = data->callref;
|
|
|
|
trans->network = net;
|
|
|
|
trans->transaction_id = 0xff; /* unassigned */
|
|
|
|
llist_add_tail(&trans->entry, &net->trans_list);
|
|
|
|
/* Assign subscriber to transaction */
|
|
|
|
trans->subscr = subscr;
|
|
|
|
/* Find lchan */
|
|
|
|
for (i = 0; i < net->num_bts; i++) {
|
2009-06-21 14:17:15 +00:00
|
|
|
bts = gsm_bts_num(net, i);
|
2009-06-10 15:11:52 +00:00
|
|
|
for (j = 0; j < bts->num_trx; j++) {
|
2009-06-21 14:17:15 +00:00
|
|
|
trx = gsm_bts_trx_num(bts, j);
|
2009-06-10 15:11:52 +00:00
|
|
|
for (k = 0; k < TRX_NR_TS; k++) {
|
|
|
|
ts = &trx->ts[k];
|
|
|
|
for (l = 0; l < TS_MAX_LCHAN; l++) {
|
|
|
|
lchant = &ts->lchan[l];
|
|
|
|
if (lchant->subscr == subscr) {
|
|
|
|
lchan = lchant;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If subscriber has no lchan */
|
|
|
|
if (!lchan) {
|
|
|
|
/* find transaction with this subscriber already paging */
|
|
|
|
llist_for_each_entry(transt, &net->trans_list, entry) {
|
|
|
|
/* Transaction of our lchan? */
|
|
|
|
if (transt == trans ||
|
|
|
|
transt->subscr != subscr)
|
|
|
|
continue;
|
|
|
|
DEBUGP(DCC, "(bts %d trx - ts - ti -- sub %s) "
|
|
|
|
"Received '%s' from MNCC with "
|
|
|
|
"unallocated channel, paging already "
|
|
|
|
"started.\n", bts->nr,
|
|
|
|
data->called.number,
|
|
|
|
get_mncc_name(msg_type));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/* store setup informations until paging was successfull */
|
|
|
|
memcpy(&trans->cc_msg, data, sizeof(struct gsm_mncc));
|
|
|
|
/* start paging subscriber on all BTS with her location */
|
|
|
|
subscr->net = net;
|
|
|
|
bts = NULL;
|
|
|
|
do {
|
|
|
|
bts = gsm_bts_by_lac(net, subscr->lac, bts);
|
|
|
|
if (!bts)
|
|
|
|
break;
|
|
|
|
DEBUGP(DCC, "(bts %d trx - ts - ti -- sub %s) "
|
|
|
|
"Received '%s' from MNCC with "
|
|
|
|
"unallocated channel, paging.\n",
|
|
|
|
bts->nr, data->called.number,
|
|
|
|
get_mncc_name(msg_type));
|
|
|
|
/* Trigger paging */
|
2009-06-11 17:54:08 +00:00
|
|
|
paging_request(net, subscr, RSL_CHANNEED_TCH_F,
|
2009-06-10 15:11:52 +00:00
|
|
|
setup_trig_pag_evt, subscr);
|
|
|
|
} while (1);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/* Assign lchan */
|
|
|
|
trans->lchan = lchan;
|
|
|
|
use_lchan(lchan);
|
|
|
|
}
|
|
|
|
lchan = trans->lchan;
|
|
|
|
|
|
|
|
/* if paging did not respond yet */
|
|
|
|
if (!lchan) {
|
|
|
|
DEBUGP(DCC, "(bts - trx - ts - ti -- sub %s) "
|
|
|
|
"Received '%s' from MNCC in paging state\n",
|
|
|
|
(trans->subscr)?(trans->subscr->extension):"-",
|
|
|
|
get_mncc_name(msg_type));
|
2009-06-11 06:23:20 +00:00
|
|
|
mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU,
|
|
|
|
GSM48_CC_CAUSE_NORM_CALL_CLEAR);
|
2009-06-10 15:11:52 +00:00
|
|
|
if (msg_type == MNCC_REL_REQ)
|
|
|
|
rc = mncc_recvmsg(net, trans, MNCC_REL_CNF, &rel);
|
|
|
|
else
|
|
|
|
rc = mncc_recvmsg(net, trans, MNCC_REL_IND, &rel);
|
|
|
|
trans->callref = 0;
|
|
|
|
free_trans(trans);
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
DEBUGP(DCC, "(bts %d trx %d ts %d ti %02x sub %s) "
|
|
|
|
"Received '%s' from MNCC in state %d (%s)\n",
|
|
|
|
lchan->ts->trx->bts->nr, lchan->ts->trx->nr, lchan->ts->nr,
|
|
|
|
trans->transaction_id,
|
|
|
|
(lchan->subscr)?(lchan->subscr->extension):"-",
|
|
|
|
get_mncc_name(msg_type), trans->state,
|
|
|
|
cc_state_names[trans->state]);
|
|
|
|
|
|
|
|
/* Find function for current state and message */
|
|
|
|
for (i = 0; i < DOWNSLLEN; i++)
|
|
|
|
if ((msg_type == downstatelist[i].type)
|
|
|
|
&& ((1 << trans->state) & downstatelist[i].states))
|
|
|
|
break;
|
|
|
|
if (i == DOWNSLLEN) {
|
|
|
|
DEBUGP(DCC, "Message unhandled at this state.\n");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
rc = downstatelist[i].rout(trans, arg);
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static struct datastate {
|
|
|
|
u_int32_t states;
|
|
|
|
int type;
|
|
|
|
int (*rout) (struct gsm_trans *trans, struct msgb *msg);
|
|
|
|
} datastatelist[] = {
|
|
|
|
/* mobile originating call establishment */
|
|
|
|
{SBIT(GSM_CSTATE_NULL), /* 5.2.1.2 */
|
|
|
|
GSM48_MT_CC_SETUP, gsm48_cc_rx_setup},
|
|
|
|
{SBIT(GSM_CSTATE_NULL), /* 5.2.1.2 */
|
|
|
|
GSM48_MT_CC_EMERG_SETUP, gsm48_cc_rx_setup},
|
|
|
|
{SBIT(GSM_CSTATE_CONNECT_IND), /* 5.2.1.2 */
|
|
|
|
GSM48_MT_CC_CONNECT_ACK, gsm48_cc_rx_connect_ack},
|
|
|
|
/* mobile terminating call establishment */
|
|
|
|
{SBIT(GSM_CSTATE_CALL_PRESENT), /* 5.2.2.3.2 */
|
|
|
|
GSM48_MT_CC_CALL_CONF, gsm48_cc_rx_call_conf},
|
|
|
|
{SBIT(GSM_CSTATE_CALL_PRESENT) | SBIT(GSM_CSTATE_MO_TERM_CALL_CONF), /* ???? | 5.2.2.3.2 */
|
|
|
|
GSM48_MT_CC_ALERTING, gsm48_cc_rx_alerting},
|
|
|
|
{SBIT(GSM_CSTATE_CALL_PRESENT) | SBIT(GSM_CSTATE_MO_TERM_CALL_CONF) | SBIT(GSM_CSTATE_CALL_RECEIVED), /* (5.2.2.6) | 5.2.2.6 | 5.2.2.6 */
|
|
|
|
GSM48_MT_CC_CONNECT, gsm48_cc_rx_connect},
|
|
|
|
/* signalling during call */
|
|
|
|
{ALL_STATES - SBIT(GSM_CSTATE_NULL),
|
|
|
|
GSM48_MT_CC_FACILITY, gsm48_cc_rx_facility},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
GSM48_MT_CC_NOTIFY, gsm48_cc_rx_notify},
|
|
|
|
{ALL_STATES,
|
|
|
|
GSM48_MT_CC_START_DTMF, gsm48_cc_rx_start_dtmf},
|
|
|
|
{ALL_STATES,
|
|
|
|
GSM48_MT_CC_STOP_DTMF, gsm48_cc_rx_stop_dtmf},
|
|
|
|
{ALL_STATES,
|
|
|
|
GSM48_MT_CC_STATUS_ENQ, gsm48_cc_rx_status_enq},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
GSM48_MT_CC_HOLD, gsm48_cc_rx_hold},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
GSM48_MT_CC_RETR, gsm48_cc_rx_retrieve},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
GSM48_MT_CC_MODIFY, gsm48_cc_rx_modify},
|
|
|
|
{SBIT(GSM_CSTATE_MO_TERM_MODIFY),
|
|
|
|
GSM48_MT_CC_MODIFY_COMPL, gsm48_cc_rx_modify_complete},
|
|
|
|
{SBIT(GSM_CSTATE_MO_TERM_MODIFY),
|
|
|
|
GSM48_MT_CC_MODIFY_REJECT, gsm48_cc_rx_modify_reject},
|
|
|
|
{SBIT(GSM_CSTATE_ACTIVE),
|
|
|
|
GSM48_MT_CC_USER_INFO, gsm48_cc_rx_userinfo},
|
|
|
|
/* clearing */
|
|
|
|
{ALL_STATES - SBIT(GSM_CSTATE_NULL) - SBIT(GSM_CSTATE_RELEASE_REQ), /* 5.4.3.2 */
|
|
|
|
GSM48_MT_CC_DISCONNECT, gsm48_cc_rx_disconnect},
|
|
|
|
{ALL_STATES - SBIT(GSM_CSTATE_NULL), /* 5.4.4.1.2.2 */
|
|
|
|
GSM48_MT_CC_RELEASE, gsm48_cc_rx_release},
|
|
|
|
{ALL_STATES, /* 5.4.3.4 */
|
|
|
|
GSM48_MT_CC_RELEASE_COMPL, gsm48_cc_rx_release_compl},
|
|
|
|
};
|
|
|
|
|
|
|
|
#define DATASLLEN \
|
|
|
|
(sizeof(datastatelist) / sizeof(struct datastate))
|
|
|
|
|
|
|
|
static int gsm0408_rcv_cc(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
u_int8_t msg_type = gh->msg_type & 0xbf;
|
|
|
|
u_int8_t transaction_id = (gh->proto_discr & 0xf0) ^ 0x80; /* flip */
|
|
|
|
struct gsm_lchan *lchan = msg->lchan;
|
|
|
|
struct gsm_trans *trans = NULL, *transt;
|
|
|
|
struct gsm_network *net = lchan->ts->trx->bts->network;
|
|
|
|
int i, rc = 0;
|
|
|
|
|
|
|
|
if (msg_type & 0x80) {
|
|
|
|
DEBUGP(DCC, "MSG 0x%2x not defined for PD error\n", msg_type);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Find transaction */
|
|
|
|
llist_for_each_entry(transt, &net->trans_list, entry) {
|
|
|
|
/* Transaction of our lchan? */
|
|
|
|
if (transt->lchan == lchan
|
|
|
|
&& transt->transaction_id == transaction_id) {
|
|
|
|
trans = transt;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
DEBUGP(DCC, "(bts %d trx %d ts %d ti %02x sub %s) "
|
|
|
|
"Received '%s' from MS in state %d (%s)\n",
|
|
|
|
lchan->ts->trx->bts->nr, lchan->ts->trx->nr, lchan->ts->nr,
|
|
|
|
transaction_id, (lchan->subscr)?(lchan->subscr->extension):"-",
|
|
|
|
cc_msg_names[msg_type], trans?(trans->state):0,
|
|
|
|
cc_state_names[trans?(trans->state):0]);
|
|
|
|
|
|
|
|
/* Create transaction */
|
|
|
|
if (!trans) {
|
|
|
|
DEBUGP(DCC, "Unknown transaction ID %02x, "
|
|
|
|
"creating new trans.\n", transaction_id);
|
|
|
|
/* Create transaction */
|
2009-06-20 20:36:41 +00:00
|
|
|
if (!(trans = talloc(tall_trans_ctx, struct gsm_trans))) {
|
2009-06-10 15:11:52 +00:00
|
|
|
DEBUGP(DCC, "No memory for trans.\n");
|
|
|
|
rc = gsm48_tx_simple(msg->lchan,
|
|
|
|
GSM48_PDISC_CC | transaction_id,
|
|
|
|
GSM48_MT_CC_RELEASE_COMPL);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
llist_add_tail(&trans->entry, &net->trans_list);
|
|
|
|
/* Assign transaction */
|
|
|
|
trans->callref = new_callref++;
|
|
|
|
trans->network = net;
|
|
|
|
trans->transaction_id = transaction_id;
|
|
|
|
trans->lchan = lchan;
|
|
|
|
use_lchan(lchan);
|
|
|
|
if (lchan->subscr) {
|
|
|
|
trans->subscr = lchan->subscr;
|
|
|
|
subscr_get(trans->subscr);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* find function for current state and message */
|
|
|
|
for (i = 0; i < DATASLLEN; i++)
|
|
|
|
if ((msg_type == datastatelist[i].type)
|
|
|
|
&& ((1 << trans->state) & datastatelist[i].states))
|
|
|
|
break;
|
|
|
|
if (i == DATASLLEN) {
|
|
|
|
DEBUGP(DCC, "Message unhandled at this state.\n");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
rc = datastatelist[i].rout(trans, msg);
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* here we pass in a msgb from the RSL->RLL. We expect the l3 pointer to be set */
|
|
|
|
int gsm0408_rcvmsg(struct msgb *msg)
|
|
|
|
{
|
|
|
|
struct gsm48_hdr *gh = msgb_l3(msg);
|
|
|
|
u_int8_t pdisc = gh->proto_discr & 0x0f;
|
|
|
|
int rc = 0;
|
|
|
|
|
|
|
|
switch (pdisc) {
|
|
|
|
case GSM48_PDISC_CC:
|
|
|
|
rc = gsm0408_rcv_cc(msg);
|
|
|
|
break;
|
|
|
|
case GSM48_PDISC_MM:
|
|
|
|
rc = gsm0408_rcv_mm(msg);
|
|
|
|
break;
|
|
|
|
case GSM48_PDISC_RR:
|
|
|
|
rc = gsm0408_rcv_rr(msg);
|
|
|
|
break;
|
|
|
|
case GSM48_PDISC_SMS:
|
|
|
|
rc = gsm0411_rcv_sms(msg);
|
|
|
|
break;
|
|
|
|
case GSM48_PDISC_MM_GPRS:
|
|
|
|
case GSM48_PDISC_SM_GPRS:
|
|
|
|
fprintf(stderr, "Unimplemented GSM 04.08 discriminator 0x%02d\n",
|
|
|
|
pdisc);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
fprintf(stderr, "Unknown GSM 04.08 discriminator 0x%02d\n",
|
|
|
|
pdisc);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Section 9.1.8 / Table 9.9 */
|
|
|
|
struct chreq {
|
|
|
|
u_int8_t val;
|
|
|
|
u_int8_t mask;
|
|
|
|
enum chreq_type type;
|
|
|
|
};
|
|
|
|
|
|
|
|
/* If SYSTEM INFORMATION TYPE 4 NECI bit == 1 */
|
|
|
|
static const struct chreq chreq_type_neci1[] = {
|
|
|
|
{ 0xa0, 0xe0, CHREQ_T_EMERG_CALL },
|
|
|
|
{ 0xc0, 0xe0, CHREQ_T_CALL_REEST_TCH_F },
|
|
|
|
{ 0x68, 0xfc, CHREQ_T_CALL_REEST_TCH_H },
|
|
|
|
{ 0x6c, 0xfc, CHREQ_T_CALL_REEST_TCH_H_DBL },
|
|
|
|
{ 0xe0, 0xe0, CHREQ_T_SDCCH },
|
|
|
|
{ 0x40, 0xf0, CHREQ_T_VOICE_CALL_TCH_H },
|
|
|
|
{ 0x50, 0xf0, CHREQ_T_DATA_CALL_TCH_H },
|
|
|
|
{ 0x00, 0xf0, CHREQ_T_LOCATION_UPD },
|
|
|
|
{ 0x10, 0xf0, CHREQ_T_SDCCH },
|
|
|
|
{ 0x80, 0xe0, CHREQ_T_PAG_R_ANY },
|
|
|
|
{ 0x20, 0xf0, CHREQ_T_PAG_R_TCH_F },
|
|
|
|
{ 0x30, 0xf0, CHREQ_T_PAG_R_TCH_FH },
|
|
|
|
};
|
|
|
|
|
|
|
|
/* If SYSTEM INFORMATION TYPE 4 NECI bit == 0 */
|
2008-12-25 23:28:35 +00:00
|
|
|
static const struct chreq chreq_type_neci0[] = {
|
|
|
|
{ 0xa0, 0xe0, CHREQ_T_EMERG_CALL },
|
|
|
|
{ 0xc0, 0xe0, CHREQ_T_CALL_REEST_TCH_H },
|
|
|
|
{ 0xe0, 0xe0, CHREQ_T_TCH_F },
|
|
|
|
{ 0x50, 0xf0, CHREQ_T_DATA_CALL_TCH_H },
|
|
|
|
{ 0x00, 0xe0, CHREQ_T_LOCATION_UPD },
|
|
|
|
{ 0x80, 0xe0, CHREQ_T_PAG_R_ANY },
|
|
|
|
{ 0x20, 0xf0, CHREQ_T_PAG_R_TCH_F },
|
|
|
|
{ 0x30, 0xf0, CHREQ_T_PAG_R_TCH_FH },
|
|
|
|
};
|
|
|
|
|
|
|
|
static const enum gsm_chan_t ctype_by_chreq[] = {
|
|
|
|
[CHREQ_T_EMERG_CALL] = GSM_LCHAN_TCH_F,
|
|
|
|
[CHREQ_T_CALL_REEST_TCH_F] = GSM_LCHAN_TCH_F,
|
|
|
|
[CHREQ_T_CALL_REEST_TCH_H] = GSM_LCHAN_TCH_H,
|
|
|
|
[CHREQ_T_CALL_REEST_TCH_H_DBL] = GSM_LCHAN_TCH_H,
|
|
|
|
[CHREQ_T_SDCCH] = GSM_LCHAN_SDCCH,
|
|
|
|
[CHREQ_T_TCH_F] = GSM_LCHAN_TCH_F,
|
|
|
|
[CHREQ_T_VOICE_CALL_TCH_H] = GSM_LCHAN_TCH_H,
|
|
|
|
[CHREQ_T_DATA_CALL_TCH_H] = GSM_LCHAN_TCH_H,
|
|
|
|
[CHREQ_T_LOCATION_UPD] = GSM_LCHAN_SDCCH,
|
|
|
|
[CHREQ_T_PAG_R_ANY] = GSM_LCHAN_SDCCH,
|
|
|
|
[CHREQ_T_PAG_R_TCH_F] = GSM_LCHAN_TCH_F,
|
|
|
|
[CHREQ_T_PAG_R_TCH_FH] = GSM_LCHAN_TCH_F,
|
|
|
|
};
|
|
|
|
|
2008-12-29 04:08:28 +00:00
|
|
|
static const enum gsm_chreq_reason_t reason_by_chreq[] = {
|
|
|
|
[CHREQ_T_EMERG_CALL] = GSM_CHREQ_REASON_EMERG,
|
|
|
|
[CHREQ_T_CALL_REEST_TCH_F] = GSM_CHREQ_REASON_CALL,
|
|
|
|
[CHREQ_T_CALL_REEST_TCH_H] = GSM_CHREQ_REASON_CALL,
|
|
|
|
[CHREQ_T_CALL_REEST_TCH_H_DBL] = GSM_CHREQ_REASON_CALL,
|
|
|
|
[CHREQ_T_SDCCH] = GSM_CHREQ_REASON_OTHER,
|
|
|
|
[CHREQ_T_TCH_F] = GSM_CHREQ_REASON_OTHER,
|
|
|
|
[CHREQ_T_VOICE_CALL_TCH_H] = GSM_CHREQ_REASON_OTHER,
|
|
|
|
[CHREQ_T_DATA_CALL_TCH_H] = GSM_CHREQ_REASON_OTHER,
|
|
|
|
[CHREQ_T_LOCATION_UPD] = GSM_CHREQ_REASON_LOCATION_UPD,
|
|
|
|
[CHREQ_T_PAG_R_ANY] = GSM_CHREQ_REASON_PAG,
|
|
|
|
[CHREQ_T_PAG_R_TCH_F] = GSM_CHREQ_REASON_PAG,
|
|
|
|
[CHREQ_T_PAG_R_TCH_FH] = GSM_CHREQ_REASON_PAG,
|
|
|
|
};
|
|
|
|
|
2008-12-25 23:28:35 +00:00
|
|
|
enum gsm_chan_t get_ctype_by_chreq(struct gsm_bts *bts, u_int8_t ra)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
/* FIXME: determine if we set NECI = 0 in the BTS SI4 */
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(chreq_type_neci0); i++) {
|
|
|
|
const struct chreq *chr = &chreq_type_neci0[i];
|
|
|
|
if ((ra & chr->mask) == chr->val)
|
|
|
|
return ctype_by_chreq[chr->type];
|
|
|
|
}
|
|
|
|
fprintf(stderr, "Unknown CHANNEL REQUEST RQD 0x%02x\n", ra);
|
|
|
|
return GSM_LCHAN_SDCCH;
|
|
|
|
}
|
2008-12-29 04:08:28 +00:00
|
|
|
|
|
|
|
enum gsm_chreq_reason_t get_reason_by_chreq(struct gsm_bts *bts, u_int8_t ra)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
/* FIXME: determine if we set NECI = 0 in the BTS SI4 */
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(chreq_type_neci0); i++) {
|
|
|
|
const struct chreq *chr = &chreq_type_neci0[i];
|
|
|
|
if ((ra & chr->mask) == chr->val)
|
|
|
|
return reason_by_chreq[chr->type];
|
|
|
|
}
|
|
|
|
fprintf(stderr, "Unknown CHANNEL REQUEST REASON 0x%02x\n", ra);
|
|
|
|
return GSM_CHREQ_REASON_OTHER;
|
|
|
|
}
|
2009-06-10 15:11:52 +00:00
|
|
|
|
|
|
|
/* dequeue messages to layer 4 */
|
|
|
|
int bsc_upqueue(struct gsm_network *net)
|
|
|
|
{
|
|
|
|
struct gsm_mncc *mncc;
|
|
|
|
struct msgb *msg;
|
|
|
|
int work = 0;
|
|
|
|
|
|
|
|
if (net)
|
|
|
|
while ((msg = msgb_dequeue(&net->upqueue))) {
|
|
|
|
mncc = (struct gsm_mncc *)msg->data;
|
|
|
|
if (net->mncc_recv)
|
|
|
|
net->mncc_recv(net, mncc->msg_type, mncc);
|
|
|
|
work = 1; /* work done */
|
2009-06-26 17:40:48 +00:00
|
|
|
talloc_free(msg);
|
2009-06-10 15:11:52 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return work;
|
|
|
|
}
|