summaryrefslogtreecommitdiffstats
path: root/openbsc/src/bsc_hack.c
diff options
context:
space:
mode:
Diffstat (limited to 'openbsc/src/bsc_hack.c')
-rw-r--r--openbsc/src/bsc_hack.c1159
1 files changed, 1159 insertions, 0 deletions
diff --git a/openbsc/src/bsc_hack.c b/openbsc/src/bsc_hack.c
new file mode 100644
index 000000000..7aa8b9aef
--- /dev/null
+++ b/openbsc/src/bsc_hack.c
@@ -0,0 +1,1159 @@
+/* A hackish minimal BSC (+MSC +HLR) implementation */
+
+/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <time.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+#define _GNU_SOURCE
+#include <getopt.h>
+
+#include <openbsc/db.h>
+#include <openbsc/timer.h>
+#include <openbsc/gsm_data.h>
+#include <openbsc/gsm_04_08.h>
+#include <openbsc/select.h>
+#include <openbsc/abis_rsl.h>
+#include <openbsc/abis_nm.h>
+#include <openbsc/debug.h>
+#include <openbsc/misdn.h>
+#include <openbsc/telnet_interface.h>
+#include <openbsc/paging.h>
+#include <openbsc/e1_input.h>
+#include <openbsc/signal.h>
+
+/* global pointer to the gsm network data structure */
+static struct gsm_network *gsmnet;
+
+/* MCC and MNC for the Location Area Identifier */
+static int MCC = 1;
+static int MNC = 1;
+static int LAC = 1;
+static int ARFCN = HARDCODED_ARFCN;
+static int cardnr = 0;
+static int release_l2 = 0;
+static enum gsm_bts_type BTS_TYPE = GSM_BTS_TYPE_BS11;
+static const char *database_name = "hlr.sqlite3";
+
+/* The following definitions are for OM and NM packets that we cannot yet
+ * generate by code but we just pass on */
+
+// BTS Site Manager, SET ATTRIBUTES
+
+/*
+ Object Class: BTS Site Manager
+ Instance 1: FF
+ Instance 2: FF
+ Instance 3: FF
+SET ATTRIBUTES
+ sAbisExternalTime: 2007/09/08 14:36:11
+ omLAPDRelTimer: 30sec
+ shortLAPDIntTimer: 5sec
+ emergencyTimer1: 10 minutes
+ emergencyTimer2: 0 minutes
+*/
+
+unsigned char msg_1[] =
+{
+ 0xD0, 0x00, 0xFF, 0xFF, 0xFF,
+ NM_ATT_BS11_ABIS_EXT_TIME, 0x07,
+ 0xD7, 0x09, 0x08, 0x0E, 0x24, 0x0B, 0xCE,
+ 0x02,
+ 0x00, 0x1E,
+ NM_ATT_BS11_SH_LAPD_INT_TIMER,
+ 0x01, 0x05,
+ 0x42, 0x02, 0x00, 0x0A,
+ 0x44, 0x02, 0x00, 0x00
+};
+
+// BTS, SET BTS ATTRIBUTES
+
+/*
+ Object Class: BTS
+ BTS relat. Number: 0
+ Instance 2: FF
+ Instance 3: FF
+SET BTS ATTRIBUTES
+ bsIdentityCode / BSIC:
+ PLMN_colour_code: 7h
+ BS_colour_code: 7h
+ BTS Air Timer T3105: 4 ,unit 10 ms
+ btsIsHopping: FALSE
+ periodCCCHLoadIndication: 1sec
+ thresholdCCCHLoadIndication: 0%
+ cellAllocationNumber: 00h = GSM 900
+ enableInterferenceClass: 00h = Disabled
+ fACCHQual: 6 (FACCH stealing flags minus 1)
+ intaveParameter: 31 SACCH multiframes
+ interferenceLevelBoundaries:
+ Interference Boundary 1: 0Ah
+ Interference Boundary 2: 0Fh
+ Interference Boundary 3: 14h
+ Interference Boundary 4: 19h
+ Interference Boundary 5: 1Eh
+ mSTxPwrMax: 11
+ GSM range: 2=39dBm, 15=13dBm, stepsize 2 dBm
+ DCS1800 range: 0=30dBm, 15=0dBm, stepsize 2 dBm
+ PCS1900 range: 0=30dBm, 15=0dBm, stepsize 2 dBm
+ 30=33dBm, 31=32dBm
+ ny1:
+ Maximum number of repetitions for PHYSICAL INFORMATION message (GSM 04.08): 20
+ powerOutputThresholds:
+ Out Power Fault Threshold: -10 dB
+ Red Out Power Threshold: - 6 dB
+ Excessive Out Power Threshold: 5 dB
+ rACHBusyThreshold: -127 dBm
+ rACHLoadAveragingSlots: 250 ,number of RACH burst periods
+ rfResourceIndicationPeriod: 125 SACCH multiframes
+ T200:
+ SDCCH: 044 in 5 ms
+ FACCH/Full rate: 031 in 5 ms
+ FACCH/Half rate: 041 in 5 ms
+ SACCH with TCH SAPI0: 090 in 10 ms
+ SACCH with SDCCH: 090 in 10 ms
+ SDCCH with SAPI3: 090 in 5 ms
+ SACCH with TCH SAPI3: 135 in 10 ms
+ tSync: 9000 units of 10 msec
+ tTrau: 9000 units of 10 msec
+ enableUmLoopTest: 00h = disabled
+ enableExcessiveDistance: 00h = Disabled
+ excessiveDistance: 64km
+ hoppingMode: 00h = baseband hopping
+ cellType: 00h = Standard Cell
+ BCCH ARFCN / bCCHFrequency: 1
+*/
+
+unsigned char msg_2[] =
+{
+ 0x41, NM_OC_BTS, 0x00, 0xFF, 0xFF,
+ NM_ATT_BSIC, HARDCODED_BSIC,
+ NM_ATT_BTS_AIR_TIMER, 0x04,
+ NM_ATT_BS11_BTSLS_HOPPING, 0x00,
+ NM_ATT_CCCH_L_I_P, 0x01,
+ NM_ATT_CCCH_L_T, 0x00,
+ NM_ATT_BS11_CELL_ALLOC_NR, NM_BS11_CANR_GSM,
+ NM_ATT_BS11_ENA_INTERF_CLASS, 0x01,
+ NM_ATT_BS11_FACCH_QUAL, 0x06,
+ /* interference avg. period in numbers of SACCH multifr */
+ NM_ATT_INTAVE_PARAM, 0x1F,
+ NM_ATT_INTERF_BOUND, 0x0A, 0x0F, 0x14, 0x19, 0x1E, 0x7B,
+ NM_ATT_CCCH_L_T, 0x23,
+ NM_ATT_GSM_TIME, 0x28, 0x00,
+ NM_ATT_ADM_STATE, 0x03,
+ NM_ATT_RACH_B_THRESH, 0x7F,
+ NM_ATT_LDAVG_SLOTS, 0x00, 0xFA,
+ NM_ATT_BS11_RF_RES_IND_PER, 0x7D,
+ NM_ATT_T200, 0x2C, 0x1F, 0x29, 0x5A, 0x5A, 0x5A, 0x87,
+ NM_ATT_BS11_TSYNC, 0x23, 0x28,
+ NM_ATT_BS11_TTRAU, 0x23, 0x28,
+ NM_ATT_TEST_DUR, 0x01, 0x00,
+ NM_ATT_OUTST_ALARM, 0x01, 0x00,
+ NM_ATT_BS11_EXCESSIVE_DISTANCE, 0x01, 0x40,
+ NM_ATT_BS11_HOPPING_MODE, 0x01, 0x00,
+ NM_ATT_BS11_PLL, 0x01, 0x00,
+ NM_ATT_BCCH_ARFCN, 0x00, HARDCODED_ARFCN/*0x01*/,
+};
+
+// Handover Recognition, SET ATTRIBUTES
+
+/*
+Illegal Contents GSM Formatted O&M Msg
+ Object Class: Handover Recognition
+ BTS relat. Number: 0
+ Instance 2: FF
+ Instance 3: FF
+SET ATTRIBUTES
+ enableDelayPowerBudgetHO: 00h = Disabled
+ enableDistanceHO: 00h = Disabled
+ enableInternalInterCellHandover: 00h = Disabled
+ enableInternalIntraCellHandover: 00h = Disabled
+ enablePowerBudgetHO: 00h = Disabled
+ enableRXLEVHO: 00h = Disabled
+ enableRXQUALHO: 00h = Disabled
+ hoAveragingDistance: 8 SACCH multiframes
+ hoAveragingLev:
+ A_LEV_HO: 8 SACCH multiframes
+ W_LEV_HO: 1 SACCH multiframes
+ hoAveragingPowerBudget: 16 SACCH multiframes
+ hoAveragingQual:
+ A_QUAL_HO: 8 SACCH multiframes
+ W_QUAL_HO: 2 SACCH multiframes
+ hoLowerThresholdLevDL: (10 - 110) dBm
+ hoLowerThresholdLevUL: (5 - 110) dBm
+ hoLowerThresholdQualDL: 06h = 6.4% < BER < 12.8%
+ hoLowerThresholdQualUL: 06h = 6.4% < BER < 12.8%
+ hoThresholdLevDLintra : (20 - 110) dBm
+ hoThresholdLevULintra: (20 - 110) dBm
+ hoThresholdMsRangeMax: 20 km
+ nCell: 06h
+ timerHORequest: 3 ,unit 2 SACCH multiframes
+*/
+
+unsigned char msg_3[] =
+{
+ 0xD0, NM_OC_BS11_HANDOVER, 0x00, 0xFF, 0xFF,
+ 0xD0, 0x00,
+ 0x64, 0x00,
+ 0x67, 0x00,
+ 0x68, 0x00,
+ 0x6A, 0x00,
+ 0x6C, 0x00,
+ 0x6D, 0x00,
+ 0x6F, 0x08,
+ 0x70, 0x08, 0x01,
+ 0x71, 0x10, 0x10, 0x10,
+ 0x72, 0x08, 0x02,
+ 0x73, 0x0A,
+ 0x74, 0x05,
+ 0x75, 0x06,
+ 0x76, 0x06,
+ 0x78, 0x14,
+ 0x79, 0x14,
+ 0x7A, 0x14,
+ 0x7D, 0x06,
+ 0x92, 0x03, 0x20, 0x01, 0x00,
+ 0x45, 0x01, 0x00,
+ 0x48, 0x01, 0x00,
+ 0x5A, 0x01, 0x00,
+ 0x5B, 0x01, 0x05,
+ 0x5E, 0x01, 0x1A,
+ 0x5F, 0x01, 0x20,
+ 0x9D, 0x01, 0x00,
+ 0x47, 0x01, 0x00,
+ 0x5C, 0x01, 0x64,
+ 0x5D, 0x01, 0x1E,
+ 0x97, 0x01, 0x20,
+ 0xF7, 0x01, 0x3C,
+};
+
+// Power Control, SET ATTRIBUTES
+
+/*
+ Object Class: Power Control
+ BTS relat. Number: 0
+ Instance 2: FF
+ Instance 3: FF
+SET ATTRIBUTES
+ enableMsPowerControl: 00h = Disabled
+ enablePowerControlRLFW: 00h = Disabled
+ pcAveragingLev:
+ A_LEV_PC: 4 SACCH multiframes
+ W_LEV_PC: 1 SACCH multiframes
+ pcAveragingQual:
+ A_QUAL_PC: 4 SACCH multiframes
+ W_QUAL_PC: 2 SACCH multiframes
+ pcLowerThresholdLevDL: 0Fh
+ pcLowerThresholdLevUL: 0Ah
+ pcLowerThresholdQualDL: 05h = 3.2% < BER < 6.4%
+ pcLowerThresholdQualUL: 05h = 3.2% < BER < 6.4%
+ pcRLFThreshold: 0Ch
+ pcUpperThresholdLevDL: 14h
+ pcUpperThresholdLevUL: 0Fh
+ pcUpperThresholdQualDL: 04h = 1.6% < BER < 3.2%
+ pcUpperThresholdQualUL: 04h = 1.6% < BER < 3.2%
+ powerConfirm: 2 ,unit 2 SACCH multiframes
+ powerControlInterval: 2 ,unit 2 SACCH multiframes
+ powerIncrStepSize: 02h = 4 dB
+ powerRedStepSize: 01h = 2 dB
+ radioLinkTimeoutBs: 64 SACCH multiframes
+ enableBSPowerControl: 00h = disabled
+*/
+
+unsigned char msg_4[] =
+{
+ 0xD0, NM_OC_BS11_PWR_CTRL, 0x00, 0xFF, 0xFF,
+ NM_ATT_BS11_ENA_MS_PWR_CTRL, 0x00,
+ NM_ATT_BS11_ENA_PWR_CTRL_RLFW, 0x00,
+ 0x7E, 0x04, 0x01,
+ 0x7F, 0x04, 0x02,
+ 0x80, 0x0F,
+ 0x81, 0x0A,
+ 0x82, 0x05,
+ 0x83, 0x05,
+ 0x84, 0x0C,
+ 0x85, 0x14,
+ 0x86, 0x0F,
+ 0x87, 0x04,
+ 0x88, 0x04,
+ 0x89, 0x02,
+ 0x8A, 0x02,
+ 0x8B, 0x02,
+ 0x8C, 0x01,
+ 0x8D, 0x40,
+ 0x65, 0x01, 0x00 // set to 0x01 to enable BSPowerControl
+};
+
+
+// Transceiver, SET TRX ATTRIBUTES (TRX 0)
+
+/*
+ Object Class: Transceiver
+ BTS relat. Number: 0
+ Tranceiver number: 0
+ Instance 3: FF
+SET TRX ATTRIBUTES
+ aRFCNList (HEX): 0001
+ txPwrMaxReduction: 00h = 30dB
+ radioMeasGran: 254 SACCH multiframes
+ radioMeasRep: 01h = enabled
+ memberOfEmergencyConfig: 01h = TRUE
+ trxArea: 00h = TRX doesn't belong to a concentric cell
+*/
+
+unsigned char msg_6[] =
+{
+ 0x44, NM_OC_RADIO_CARRIER, 0x00, 0x00, 0xFF,
+ NM_ATT_ARFCN_LIST, 0x01, 0x00, HARDCODED_ARFCN /*0x01*/,
+ NM_ATT_RF_MAXPOWR_R, 0x00,
+ NM_ATT_BS11_RADIO_MEAS_GRAN, 0x01, 0xFE,
+ NM_ATT_BS11_RADIO_MEAS_REP, 0x01, 0x01,
+ NM_ATT_BS11_EMRG_CFG_MEMBER, 0x01, 0x01,
+ NM_ATT_BS11_TRX_AREA, 0x01, 0x00,
+};
+
+static unsigned char nanobts_attr_bts[] = {
+ NM_ATT_INTERF_BOUND, 0x55, 0x5b, 0x61, 0x67, 0x6d, 0x73,
+ /* interference avg. period in numbers of SACCH multifr */
+ NM_ATT_INTAVE_PARAM, 0x06,
+ /* conn fail based on SACCH error rate */
+ NM_ATT_CONN_FAIL_CRIT, 0x00, 0x02, 0x01, 0x10,
+ NM_ATT_T200, 0x1e, 0x24, 0x24, 0xa8, 0x34, 0x21, 0xa8,
+ NM_ATT_MAX_TA, 0x3f,
+ NM_ATT_OVERL_PERIOD, 0x00, 0x01, 10, /* seconds */
+ NM_ATT_CCCH_L_T, 10, /* percent */
+ NM_ATT_CCCH_L_I_P, 1, /* seconds */
+ NM_ATT_RACH_B_THRESH, 10, /* busy threshold in - dBm */
+ NM_ATT_LDAVG_SLOTS, 0x03, 0xe8, /* rach load averaging 1000 slots */
+ NM_ATT_BTS_AIR_TIMER, 128, /* miliseconds */
+ NM_ATT_NY1, 10, /* 10 retransmissions of physical config */
+ NM_ATT_BCCH_ARFCN, HARDCODED_ARFCN >> 8, HARDCODED_ARFCN & 0xff,
+ NM_ATT_BSIC, HARDCODED_BSIC,
+};
+
+static unsigned char nanobts_attr_radio[] = {
+ NM_ATT_RF_MAXPOWR_R, 0x0c, /* number of -2dB reduction steps / Pn */
+ NM_ATT_ARFCN_LIST, 0x00, 0x02, HARDCODED_ARFCN >> 8, HARDCODED_ARFCN & 0xff,
+};
+
+static unsigned char nanobts_attr_e0[] = {
+ 0x85, 0x00,
+ 0x81, 0x0b, 0xbb, /* TCP PORT for RSL */
+};
+
+/* Callback function to be called whenever we get a GSM 12.21 state change event */
+int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
+ struct gsm_nm_state *old_state, struct gsm_nm_state *new_state)
+{
+ struct gsm_bts *bts;
+ struct gsm_bts_trx *trx;
+ struct gsm_bts_trx_ts *ts;
+
+ /* This is currently only required on nanoBTS */
+
+ switch (evt) {
+ case EVT_STATECHG_OPER:
+ switch (obj_class) {
+ case NM_OC_SITE_MANAGER:
+ bts = container_of(obj, struct gsm_bts, site_mgr);
+ if (old_state->operational != 2 && new_state->operational == 2) {
+ abis_nm_opstart(bts, NM_OC_SITE_MANAGER, 0xff, 0xff, 0xff);
+ }
+ break;
+ case NM_OC_BTS:
+ bts = obj;
+ if (new_state->availability == 5) {
+ abis_nm_set_bts_attr(bts, nanobts_attr_bts,
+ sizeof(nanobts_attr_bts));
+ abis_nm_opstart(bts, NM_OC_BTS,
+ bts->bts_nr, 0xff, 0xff);
+ abis_nm_chg_adm_state(bts, NM_OC_BTS,
+ bts->bts_nr, 0xff, 0xff,
+ NM_STATE_UNLOCKED);
+ }
+ break;
+ case NM_OC_CHANNEL:
+ ts = obj;
+ trx = ts->trx;
+ if (new_state->availability == 5) {
+ if (ts->nr == 0 && trx == trx->bts->c0)
+ abis_nm_set_channel_attr(ts, NM_CHANC_BCCH_CBCH);
+ else
+ abis_nm_set_channel_attr(ts, NM_CHANC_TCHFull);
+ abis_nm_opstart(trx->bts, NM_OC_CHANNEL,
+ trx->bts->bts_nr, trx->nr, ts->nr);
+ abis_nm_chg_adm_state(trx->bts, NM_OC_CHANNEL,
+ trx->bts->bts_nr, trx->nr, ts->nr,
+ NM_STATE_UNLOCKED);
+ }
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ //DEBUGP(DMM, "Unhandled state change in %s:%d\n", __func__, __LINE__);
+ break;
+ }
+ return 0;
+}
+
+/* Callback function to be called every time we receive a 12.21 SW activated report */
+static int sw_activ_rep(struct msgb *mb)
+{
+ struct abis_om_fom_hdr *foh = msgb_l3(mb);
+ struct gsm_bts_trx *trx = mb->trx;
+
+ switch (foh->obj_class) {
+ case NM_OC_BASEB_TRANSC:
+ /* TRX software is active, tell it to initiate RSL Link */
+ abis_nm_ipaccess_msg(trx->bts, 0xe0, NM_OC_BASEB_TRANSC,
+ trx->bts->bts_nr, trx->nr, 0xff,
+ nanobts_attr_e0, sizeof(nanobts_attr_e0));
+ abis_nm_opstart(trx->bts, NM_OC_BASEB_TRANSC,
+ trx->bts->bts_nr, trx->nr, 0xff);
+ abis_nm_chg_adm_state(trx->bts, NM_OC_BASEB_TRANSC,
+ trx->bts->bts_nr, trx->nr, 0xff,
+ NM_STATE_UNLOCKED);
+ break;
+ case NM_OC_RADIO_CARRIER:
+ abis_nm_set_radio_attr(trx, nanobts_attr_radio,
+ sizeof(nanobts_attr_radio));
+ abis_nm_opstart(trx->bts, NM_OC_RADIO_CARRIER,
+ trx->bts->bts_nr, trx->nr, 0xff);
+ abis_nm_chg_adm_state(trx->bts, NM_OC_RADIO_CARRIER,
+ trx->bts->bts_nr, trx->nr, 0xff,
+ NM_STATE_UNLOCKED);
+ break;
+ }
+ return 0;
+}
+
+/* Callback function to be called every time we receive a signal from NM */
+static int nm_sig_cb(unsigned int subsys, unsigned int signal,
+ void *handler_data, void *signal_data)
+{
+ switch (signal) {
+ case S_NM_SW_ACTIV_REP:
+ return sw_activ_rep(signal_data);
+ default:
+ break;
+ }
+ return 0;
+}
+
+static void bootstrap_om_nanobts(struct gsm_bts *bts)
+{
+ /* We don't do callback based bootstrapping, but event driven (see above) */
+}
+
+static void bootstrap_om_bs11(struct gsm_bts *bts)
+{
+ struct gsm_bts_trx *trx = &bts->trx[0];
+
+ /* stop sending event reports */
+ abis_nm_event_reports(bts, 0);
+
+ /* begin DB transmission */
+ abis_nm_bs11_db_transmission(bts, 1);
+
+ /* end DB transmission */
+ abis_nm_bs11_db_transmission(bts, 0);
+
+ /* Reset BTS Site manager resource */
+ abis_nm_bs11_reset_resource(bts);
+
+ /* begin DB transmission */
+ abis_nm_bs11_db_transmission(bts, 1);
+
+ abis_nm_raw_msg(bts, sizeof(msg_1), msg_1); /* set BTS SiteMgr attr*/
+ abis_nm_raw_msg(bts, sizeof(msg_2), msg_2); /* set BTS attr */
+ abis_nm_raw_msg(bts, sizeof(msg_3), msg_3); /* set BTS handover attr */
+ abis_nm_raw_msg(bts, sizeof(msg_4), msg_4); /* set BTS power control attr */
+
+ /* Connect signalling of bts0/trx0 to e1_0/ts1/64kbps */
+ abis_nm_conn_terr_sign(trx, 0, 1, 0xff);
+ abis_nm_raw_msg(bts, sizeof(msg_6), msg_6); /* SET TRX ATTRIBUTES */
+
+ /* Use TEI 1 for signalling */
+ abis_nm_establish_tei(bts, 0, 0, 1, 0xff, 0x01);
+ abis_nm_set_channel_attr(&trx->ts[0], NM_CHANC_SDCCH_CBCH);
+
+#ifdef HAVE_TRX1
+ /* TRX 1 */
+ abis_nm_conn_terr_sign(&bts->trx[1], 0, 1, 0xff);
+ /* FIXME: TRX ATTRIBUTE */
+ abis_nm_establish_tei(bts, 0, 0, 1, 0xff, 0x02);
+#endif
+
+ /* SET CHANNEL ATTRIBUTE TS1 */
+ abis_nm_set_channel_attr(&trx->ts[1], NM_CHANC_TCHFull);
+ /* Connect traffic of bts0/trx0/ts1 to e1_0/ts2/b */
+ abis_nm_conn_terr_traf(&trx->ts[1], 0, 2, 1);
+
+ /* SET CHANNEL ATTRIBUTE TS2 */
+ abis_nm_set_channel_attr(&trx->ts[2], NM_CHANC_TCHFull);
+ /* Connect traffic of bts0/trx0/ts2 to e1_0/ts2/c */
+ abis_nm_conn_terr_traf(&trx->ts[2], 0, 2, 2);
+
+ /* SET CHANNEL ATTRIBUTE TS3 */
+ abis_nm_set_channel_attr(&trx->ts[3], NM_CHANC_TCHFull);
+ /* Connect traffic of bts0/trx0/ts3 to e1_0/ts2/d */
+ abis_nm_conn_terr_traf(&trx->ts[3], 0, 2, 3);
+
+ /* SET CHANNEL ATTRIBUTE TS4 */
+ abis_nm_set_channel_attr(&trx->ts[4], NM_CHANC_TCHFull);
+ /* Connect traffic of bts0/trx0/ts4 to e1_0/ts3/a */
+ abis_nm_conn_terr_traf(&trx->ts[4], 0, 3, 0);
+
+ /* SET CHANNEL ATTRIBUTE TS5 */
+ abis_nm_set_channel_attr(&trx->ts[5], NM_CHANC_TCHFull);
+ /* Connect traffic of bts0/trx0/ts5 to e1_0/ts3/b */
+ abis_nm_conn_terr_traf(&trx->ts[5], 0, 3, 1);
+
+ /* SET CHANNEL ATTRIBUTE TS6 */
+ abis_nm_set_channel_attr(&trx->ts[6], NM_CHANC_TCHFull);
+ /* Connect traffic of bts0/trx0/ts6 to e1_0/ts3/c */
+ abis_nm_conn_terr_traf(&trx->ts[6], 0, 3, 2);
+
+ /* SET CHANNEL ATTRIBUTE TS7 */
+ abis_nm_set_channel_attr(&trx->ts[7], NM_CHANC_TCHFull);
+ /* Connect traffic of bts0/trx0/ts7 to e1_0/ts3/d */
+ abis_nm_conn_terr_traf(&trx->ts[7], 0, 3, 3);
+
+ /* end DB transmission */
+ abis_nm_bs11_db_transmission(bts, 0);
+
+ /* Reset BTS Site manager resource */
+ abis_nm_bs11_reset_resource(bts);
+
+ /* restart sending event reports */
+ abis_nm_event_reports(bts, 1);
+}
+
+static void bootstrap_om(struct gsm_bts *bts)
+{
+ fprintf(stdout, "bootstrapping OML for BTS %u\n", bts->nr);
+
+ switch (bts->type) {
+ case GSM_BTS_TYPE_BS11:
+ bootstrap_om_bs11(bts);
+ break;
+ case GSM_BTS_TYPE_NANOBTS_900:
+ case GSM_BTS_TYPE_NANOBTS_1800:
+ bootstrap_om_nanobts(bts);
+ break;
+ default:
+ fprintf(stderr, "Unable to bootstrap OML: Unknown BTS type %d\n", bts->type);
+ }
+}
+
+static int shutdown_om(struct gsm_bts *bts)
+{
+ /* stop sending event reports */
+ abis_nm_event_reports(bts, 0);
+
+ /* begin DB transmission */
+ abis_nm_bs11_db_transmission(bts, 1);
+
+ /* end DB transmission */
+ abis_nm_bs11_db_transmission(bts, 0);
+
+ /* Reset BTS Site manager resource */
+ abis_nm_bs11_reset_resource(bts);
+
+ return 0;
+}
+
+static int shutdown_net(struct gsm_network *net)
+{
+ int i;
+ for (i = 0; i < net->num_bts; i++) {
+ int rc;
+ rc = shutdown_om(&net->bts[i]);
+ if (rc < 0)
+ return rc;
+ }
+
+ return 0;
+}
+
+struct bcch_info {
+ u_int8_t type;
+ u_int8_t len;
+ const u_int8_t *data;
+};
+
+/*
+SYSTEM INFORMATION TYPE 1
+ Cell channel description
+ Format-ID bit map 0
+ CA-ARFCN Bit 124...001 (Hex): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01
+ RACH Control Parameters
+ maximum 7 retransmissions
+ 8 slots used to spread transmission
+ cell not barred for access
+ call reestablishment not allowed
+ Access Control Class = 0000
+*/
+static u_int8_t si1[] = {
+ /* header */0x55, 0x06, 0x19,
+ /* ccdesc */0x04 /*0x00*/, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /*0x01*/,
+ /* rach */0xD5, 0x00, 0x00,
+ /* s1 reset*/0x2B
+};
+
+/*
+ SYSTEM INFORMATION TYPE 2
+ Neighbour Cells Description
+ EXT-IND: Carries the complete BA
+ BA-IND = 0
+ Format-ID bit map 0
+ CA-ARFCN Bit 124...001 (Hex): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+ NCC permitted (NCC) = FF
+ RACH Control Parameters
+ maximum 7 retransmissions
+ 8 slots used to spread transmission
+ cell not barred for access
+ call reestablishment not allowed
+ Access Control Class = 0000
+*/
+static u_int8_t si2[] = {
+ /* header */0x59, 0x06, 0x1A,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* ncc */0xFF,
+ /* rach*/0xD5, 0x00, 0x00
+};
+
+/*
+SYSTEM INFORMATION TYPE 3
+ Cell identity = 00001 (1h)
+ Location area identification
+ Mobile Country Code (MCC): 001
+ Mobile Network Code (MNC): 01
+ Location Area Code (LAC): 00001 (1h)
+ Control Channel Description
+ Attach-detach: MSs in the cell are not allowed to apply IMSI attach /detach
+ 0 blocks reserved for access grant
+ 1 channel used for CCCH, with SDCCH
+ 5 multiframes period for PAGING REQUEST
+ Time-out T3212 = 0
+ Cell Options BCCH
+ Power control indicator: not set
+ MSs shall not use uplink DTX
+ Radio link timeout = 36
+ Cell Selection Parameters
+ Cell reselect hysteresis = 6 dB RXLEV hysteresis for LA re-selection
+ max.TX power level MS may use for CCH = 2 <- according to GSM05.05 39dBm (max)
+ Additional Reselect Parameter Indication (ACS) = only SYSTEM INFO 4: The SI rest octets, if present, shall be used to derive the value of PI and possibly C2 parameters
+ Half rate support (NECI): New establishment causes are not supported
+ min.RX signal level for MS = 0
+ RACH Control Parameters
+ maximum 7 retransmissions
+ 8 slots used to spread transmission
+ cell not barred for access
+ call reestablishment not allowed
+ Access Control Class = 0000
+ SI 3 Rest Octets
+ Cell Bar Qualify (CBQ): 0
+ Cell Reselect Offset = 0 dB
+ Temporary Offset = 0 dB
+ Penalty Time = 20 s
+ System Information 2ter Indicator (2TI): 0 = not available
+ Early Classmark Sending Control (ECSC): 0 = forbidden
+ Scheduling Information is not sent in SYSTEM INFORMATION TYPE 9 on the BCCH
+*/
+static u_int8_t si3[] = {
+ /* header */0x49, 0x06, 0x1B,
+ /* cell */0x00, 0x01,
+ /* lai */0x00, 0xF1, 0x10, 0x00, 0x01,
+ /* desc */0x01, 0x03, 0x00,
+ /* option*/0x28,
+ /* selection*/0x62, 0x00,
+ /* rach */0xD5, 0x00, 0x00,
+ /* reset*/0x80, 0x00, 0x00, 0x2B
+};
+
+/*
+SYSTEM INFORMATION TYPE 4
+ Location area identification
+ Mobile Country Code (MCC): 001
+ Mobile Network Code (MNC): 01
+ Location Area Code (LAC): 00001 (1h)
+ Cell Selection Parameters
+ Cell reselect hysteresis = 6 dB RXLEV hysteresis for LA re-selection
+ max.TX power level MS may use for CCH = 2
+ Additional Reselect Parameter Indication (ACS) = only SYSTEM INFO 4: The SI rest octets, if present, shall be used to derive the value of PI and possibly C2 parameters
+ Half rate support (NECI): New establishment causes are not supported
+ min.RX signal level for MS = 0
+ RACH Control Parameters
+ maximum 7 retransmissions
+ 8 slots used to spread transmission
+ cell not barred for access
+ call reestablishment not allowed
+ Access Control Class = 0000
+ Channel Description
+ Type = SDCCH/4[2]
+ Timeslot Number: 0
+ Training Sequence Code: 7h
+ ARFCN: 1
+ SI Rest Octets
+ Cell Bar Qualify (CBQ): 0
+ Cell Reselect Offset = 0 dB
+ Temporary Offset = 0 dB
+ Penalty Time = 20 s
+*/
+static u_int8_t si4[] = {
+ /* header */0x41, 0x06, 0x1C,
+ /* lai */0x00, 0xF1, 0x10, 0x00, 0x01,
+ /* sel */0x62, 0x00,
+ /* rach*/0xD5, 0x00, 0x00,
+ /* var */0x64, 0x30, 0xE0, HARDCODED_ARFCN/*0x01*/, 0x80, 0x00, 0x00,
+ 0x2B, 0x2B, 0x2B
+};
+
+/*
+ SYSTEM INFORMATION TYPE 5
+ Neighbour Cells Description
+ EXT-IND: Carries the complete BA
+ BA-IND = 0
+ Format-ID bit map 0
+ CA-ARFCN Bit 124...001 (Hex): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+*/
+
+static u_int8_t si5[] = {
+ /* header without l2 len*/0x06, 0x1D,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+// SYSTEM INFORMATION TYPE 6
+
+/*
+SACCH FILLING
+ System Info Type: SYSTEM INFORMATION 6
+ L3 Information (Hex): 06 1E 00 01 xx xx 10 00 01 28 FF
+
+SYSTEM INFORMATION TYPE 6
+ Cell identity = 00001 (1h)
+ Location area identification
+ Mobile Country Code (MCC): 001
+ Mobile Network Code (MNC): 01
+ Location Area Code (LAC): 00001 (1h)
+ Cell Options SACCH
+ Power control indicator: not set
+ MSs shall not use uplink DTX on a TCH-F. MS shall not use uplink DTX on TCH-H.
+ Radio link timeout = 36
+ NCC permitted (NCC) = FF
+*/
+
+static u_int8_t si6[] = {
+ /* header */0x06, 0x1E,
+ /* cell id*/ 0x00, 0x01,
+ /* lai */ 0x00, 0xF1, 0x10, 0x00, 0x01,
+ /* options */ 0x28,
+ /* ncc */ 0xFF,
+};
+
+
+
+static const struct bcch_info bcch_infos[] = {
+ {
+ .type = RSL_SYSTEM_INFO_1,
+ .len = sizeof(si1),
+ .data = si1,
+ }, {
+ .type = RSL_SYSTEM_INFO_2,
+ .len = sizeof(si2),
+ .data = si2,
+ }, {
+ .type = RSL_SYSTEM_INFO_3,
+ .len = sizeof(si3),
+ .data = si3,
+ }, {
+ .type = RSL_SYSTEM_INFO_4,
+ .len = sizeof(si4),
+ .data = si4,
+ },
+};
+
+static_assert(sizeof(si1) == sizeof(struct gsm48_system_information_type_1), type1)
+static_assert(sizeof(si2) == sizeof(struct gsm48_system_information_type_2), type2)
+static_assert(sizeof(si3) == sizeof(struct gsm48_system_information_type_3), type3)
+static_assert(sizeof(si4) >= sizeof(struct gsm48_system_information_type_4), type4)
+static_assert(sizeof(si5) == sizeof(struct gsm48_system_information_type_5), type5)
+static_assert(sizeof(si6) >= sizeof(struct gsm48_system_information_type_6), type6)
+
+/* set all system information types */
+static int set_system_infos(struct gsm_bts_trx *trx)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(bcch_infos); i++) {
+ rsl_bcch_info(trx, bcch_infos[i].type,
+ bcch_infos[i].data,
+ bcch_infos[i].len);
+ }
+ rsl_sacch_filling(trx, RSL_SYSTEM_INFO_5, si5, sizeof(si5));
+ rsl_sacch_filling(trx, RSL_SYSTEM_INFO_6, si6, sizeof(si6));
+
+ return 0;
+}
+
+/*
+ * Patch the various SYSTEM INFORMATION tables to update
+ * the LAI
+ */
+static void patch_tables(struct gsm_bts *bts)
+{
+ u_int8_t arfcn_low = bts->trx[0].arfcn & 0xff;
+ u_int8_t arfcn_high = (bts->trx[0].arfcn >> 8) & 0x0f;
+ /* covert the raw packet to the struct */
+ struct gsm48_system_information_type_3 *type_3 =
+ (struct gsm48_system_information_type_3*)&si3;
+ struct gsm48_system_information_type_4 *type_4 =
+ (struct gsm48_system_information_type_4*)&si4;
+ struct gsm48_system_information_type_6 *type_6 =
+ (struct gsm48_system_information_type_6*)&si6;
+ struct gsm48_loc_area_id lai;
+
+ gsm0408_generate_lai(&lai, bts->network->country_code,
+ bts->network->network_code,
+ bts->location_area_code);
+
+ /* assign the MCC and MNC */
+ type_3->lai = lai;
+ type_4->lai = lai;
+ type_6->lai = lai;
+
+ /* patch ARFCN into BTS Attributes */
+ msg_2[74] &= 0xf0;
+ msg_2[74] |= arfcn_high;
+ msg_2[75] = arfcn_low;
+ nanobts_attr_bts[42] &= 0xf0;
+ nanobts_attr_bts[42] |= arfcn_high;
+ nanobts_attr_bts[43] = arfcn_low;
+
+ /* patch ARFCN into TRX Attributes */
+ msg_6[7] &= 0xf0;
+ msg_6[7] |= arfcn_high;
+ msg_6[8] = arfcn_low;
+ nanobts_attr_radio[5] &= 0xf0;
+ nanobts_attr_radio[5] |= arfcn_high;
+ nanobts_attr_radio[6] = arfcn_low;
+
+ type_4->data[2] &= 0xf0;
+ type_4->data[2] |= arfcn_high;
+ type_4->data[3] = arfcn_low;
+
+ /* patch Control Channel Description 10.5.2.11 */
+ type_3->control_channel_desc = bts->chan_desc;
+
+ /* patch BSIC */
+ msg_2[6] = bts->bsic;
+ nanobts_attr_bts[sizeof(nanobts_attr_bts)-1] = bts->bsic;
+}
+
+
+static void bootstrap_rsl(struct gsm_bts_trx *trx)
+{
+ fprintf(stdout, "bootstrapping RSL for BTS/TRX (%u/%u) "
+ "using MCC=%u MNC=%u\n", trx->nr, trx->bts->nr, MCC, MNC);
+ set_system_infos(trx);
+}
+
+void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
+{
+ switch (event) {
+ case EVT_E1_TEI_UP:
+ switch (type) {
+ case E1INP_SIGN_OML:
+ bootstrap_om(trx->bts);
+ break;
+ case E1INP_SIGN_RSL:
+ bootstrap_rsl(trx);
+ break;
+ default:
+ break;
+ }
+ break;
+ case EVT_E1_TEI_DN:
+ fprintf(stderr, "Lost some E1 TEI link\n");
+ /* FIXME: deal with TEI or L1 link loss */
+ break;
+ default:
+ break;
+ }
+}
+
+static int bootstrap_bts(struct gsm_bts *bts)
+{
+ bts->location_area_code = LAC;
+ bts->trx[0].arfcn = ARFCN;
+
+ /* Control Channel Description */
+ memset(&bts->chan_desc, 0, sizeof(struct gsm48_control_channel_descr));
+ bts->chan_desc.att = 1;
+ bts->chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_1_C;
+ bts->chan_desc.bs_pa_mfrms = RSL_BS_PA_MFRMS_5;
+ bts->chan_desc.t3212 = 0;
+
+ patch_tables(bts);
+
+ paging_init(bts);
+
+ if (bts->type == GSM_BTS_TYPE_BS11) {
+ struct gsm_bts_trx *trx = &bts->trx[0];
+ set_ts_e1link(&trx->ts[0], 0, 1, 0xff);
+ set_ts_e1link(&trx->ts[1], 0, 2, 1);
+ set_ts_e1link(&trx->ts[2], 0, 2, 2);
+ set_ts_e1link(&trx->ts[3], 0, 2, 3);
+ set_ts_e1link(&trx->ts[4], 0, 3, 0);
+ set_ts_e1link(&trx->ts[5], 0, 3, 1);
+ set_ts_e1link(&trx->ts[6], 0, 3, 2);
+ set_ts_e1link(&trx->ts[7], 0, 3, 3);
+#ifdef HAVE_TRX1
+ /* TRX 1 */
+ trx = &bts->trx[1];
+ set_ts_e1link(&trx->ts[0], 0, 1, 0xff);
+ set_ts_e1link(&trx->ts[1], 0, 2, 1);
+ set_ts_e1link(&trx->ts[2], 0, 2, 2);
+ set_ts_e1link(&trx->ts[3], 0, 2, 3);
+ set_ts_e1link(&trx->ts[4], 0, 3, 0);
+ set_ts_e1link(&trx->ts[5], 0, 3, 1);
+ set_ts_e1link(&trx->ts[6], 0, 3, 2);
+ set_ts_e1link(&trx->ts[7], 0, 3, 3);
+#endif
+ }
+
+ return 0;
+}
+
+static int bootstrap_network(void)
+{
+ struct gsm_bts *bts;
+
+ /* initialize our data structures */
+ gsmnet = gsm_network_init(2, BTS_TYPE, MCC, MNC);
+ if (!gsmnet)
+ return -ENOMEM;
+
+ gsmnet->name_long = "OpenBSC";
+ gsmnet->name_short = "OpenBSC";
+
+ bts = &gsmnet->bts[0];
+ bootstrap_bts(bts);
+
+ if (db_init(database_name)) {
+ printf("DB: Failed to init database. Please check the option settings.\n");
+ return -1;
+ }
+ printf("DB: Database initialized.\n");
+
+ if (db_prepare()) {
+ printf("DB: Failed to prepare database.\n");
+ return -1;
+ }
+ printf("DB: Database prepared.\n");
+
+ telnet_init(gsmnet, 4242);
+
+ register_signal_handler(SS_NM, nm_sig_cb, NULL);
+
+ /* E1 mISDN input setup */
+ if (BTS_TYPE == GSM_BTS_TYPE_BS11) {
+ gsmnet->num_bts = 1;
+ return e1_config(bts, cardnr, release_l2);
+ } else {
+ /* FIXME: do this dynamic */
+ bts->ip_access.site_id = 1801;
+ bts->ip_access.bts_id = 0;
+ bts = &gsmnet->bts[1];
+ bootstrap_bts(bts);
+ bts->ip_access.site_id = 1800;
+ bts->ip_access.bts_id = 0;
+ return ipaccess_setup(gsmnet);
+ }
+}
+
+static void create_pcap_file(char *file)
+{
+ mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
+ int fd = open(file, O_WRONLY|O_TRUNC|O_CREAT, mode);
+
+ if (fd < 0) {
+ perror("Failed to open file for pcap");
+ return;
+ }
+
+ e1_set_pcap_fd(fd);
+}
+
+static void print_usage()
+{
+ printf("Usage: bsc_hack\n");
+}
+
+static void print_help()
+{
+ printf(" Some useful help...\n");
+ printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM enable debugging\n");
+ printf(" -s --disable-color\n");
+ printf(" -n --network-code number(MNC) \n");
+ printf(" -c --country-code number (MCC) \n");
+ printf(" -L --location-area-code number (LAC) \n");
+ printf(" -f --arfcn number The frequency ARFCN\n");
+ printf(" -l --database db-name The database to use\n");
+ printf(" -a --authorize-everyone Allow everyone into the network.\n");
+ printf(" -r --reject-cause number The reject cause for LOCATION UPDATING REJECT.\n");
+ printf(" -p --pcap file The filename of the pcap file\n");
+ printf(" -t --bts-type type The BTS type (bs11, nanobts900, nanobts1800)\n");
+ printf(" -C --cardnr number For bs11 select E1 card number other than 0\n");
+ printf(" -R --release-l2 Releases mISDN layer 2 after exit, to unload driver.\n");
+ printf(" -h --help this text\n");
+}
+
+static void handle_options(int argc, char** argv)
+{
+ while (1) {
+ int option_index = 0, c;
+ static struct option long_options[] = {
+ {"help", 0, 0, 'h'},
+ {"debug", 1, 0, 'd'},
+ {"disable-color", 0, 0, 's'},
+ {"network-code", 1, 0, 'n'},
+ {"country-code", 1, 0, 'c'},
+ {"location-area-code", 1, 0, 'L'},
+ {"database", 1, 0, 'l'},
+ {"authorize-everyone", 0, 0, 'a'},
+ {"reject-cause", 1, 0, 'r'},
+ {"pcap", 1, 0, 'p'},
+ {"arfcn", 1, 0, 'f'},
+ {"bts-type", 1, 0, 't'},
+ {"cardnr", 1, 0, 'C'},
+ {"release-l2", 0, 0, 'R'},
+ {"timestamp", 0, 0, 'T'},
+ {0, 0, 0, 0}
+ };
+
+ c = getopt_long(argc, argv, "hc:n:d:sar:p:f:t:C:RL:l:T",
+ long_options, &option_index);
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 'h':
+ print_usage();
+ print_help();
+ exit(0);
+ case 's':
+ debug_use_color(0);
+ break;
+ case 'd':
+ debug_parse_category_mask(optarg);
+ break;
+ case 'n':
+ MNC = atoi(optarg);
+ break;
+ case 'c':
+ MCC = atoi(optarg);
+ break;
+ case 'L':
+ LAC = atoi(optarg);
+ break;
+ case 'f':
+ ARFCN = atoi(optarg);
+ break;
+ case 'l':
+ database_name = strdup(optarg);
+ break;
+ case 'a':
+ gsm0408_allow_everyone(1);
+ break;
+ case 'r':
+ gsm0408_set_reject_cause(atoi(optarg));
+ break;
+ case 'p':
+ create_pcap_file(optarg);
+ break;
+ case 't':
+ BTS_TYPE = parse_btstype(optarg);
+ break;
+ case 'C':
+ cardnr = atoi(optarg);
+ break;
+ case 'R':
+ release_l2 = 1;
+ break;
+ case 'T':
+ debug_timestamp(1);
+ break;
+ default:
+ /* ignore */
+ break;
+ }
+ }
+}
+
+static void signal_handler(int signal)
+{
+ fprintf(stdout, "signal %u received\n", signal);
+
+ switch (signal) {
+ case SIGHUP:
+ case SIGABRT:
+ shutdown_net(gsmnet);
+ break;
+ default:
+ break;
+ }
+}
+
+int main(int argc, char **argv)
+{
+ int rc;
+
+ /* parse options */
+ handle_options(argc, argv);
+
+ /* seed the PRNG */
+ srand(time(NULL));
+
+ rc = bootstrap_network();
+ if (rc < 0)
+ exit(1);
+
+ signal(SIGHUP, &signal_handler);
+ signal(SIGABRT, &signal_handler);
+
+ while (1) {
+ bsc_select_main(0);
+ }
+}