| /* 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> |
| |
| /* 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 ARFCN = HARDCODED_ARFCN; |
| 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, |
| 0xE8, 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, 0x01, 0x00, 0xFF, 0xFF, |
| NM_ATT_BSIC, 0x3F, |
| 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, 0x00, |
| NM_ATT_BS11_ENA_INTERF_CLASS, 0x00, |
| NM_ATT_BS11_FACCH_QUAL, 0x06, |
| 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, 0xA1, 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, 0xA2, 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, 0x02, 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, |
| NM_ATT_INTAVE_PARAM, 0x06, |
| 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, 0x0a, |
| NM_ATT_LDAVG_SLOTS, 0x03, 0xe8, |
| NM_ATT_BTS_AIR_TIMER, 0x80, |
| NM_ATT_NY1, 0x0a, |
| NM_ATT_BCCH_ARFCN, HARDCODED_ARFCN >> 8, HARDCODED_ARFCN & 0xff, |
| NM_ATT_BSIC, 0x20, |
| }; |
| |
| static unsigned char nanobts_attr_radio[] = { |
| NM_ATT_RF_MAXPOWR_R, 0x0c, |
| 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 */ |
| }; |
| |
| 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->nr, 0xff, 0xff); |
| abis_nm_chg_adm_state(bts, NM_OC_BTS, |
| bts->nr, 0xff, 0xff, |
| NM_STATE_UNLOCKED); |
| } |
| break; |
| case NM_OC_RADIO_CARRIER: |
| trx = obj; |
| if (new_state->availability == 3) { |
| abis_nm_set_radio_attr(trx, nanobts_attr_radio, |
| sizeof(nanobts_attr_radio)); |
| abis_nm_opstart(trx->bts, NM_OC_RADIO_CARRIER, |
| trx->bts->nr, trx->nr, 0xff); |
| abis_nm_chg_adm_state(trx->bts, NM_OC_RADIO_CARRIER, |
| trx->bts->nr, trx->nr, 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->nr, trx->nr, ts->nr); |
| abis_nm_chg_adm_state(trx->bts, NM_OC_CHANNEL, |
| trx->bts->nr, trx->nr, ts->nr, |
| NM_STATE_UNLOCKED); |
| } |
| break; |
| case NM_OC_BASEB_TRANSC: |
| trx = container_of(obj, struct gsm_bts_trx, bb_transc); |
| if (new_state->availability == 5) { |
| abis_nm_ipaccess_msg(trx->bts, 0xe0, NM_OC_BASEB_TRANSC, |
| trx->bts->nr, trx->nr, 0xff, |
| nanobts_attr_e0, sizeof(nanobts_attr_e0)); |
| abis_nm_opstart(trx->bts, NM_OC_BASEB_TRANSC, |
| trx->bts->nr, trx->nr, 0xff); |
| abis_nm_chg_adm_state(trx->bts, NM_OC_BASEB_TRANSC, |
| trx->bts->nr, trx->nr, 0xff, |
| NM_STATE_UNLOCKED); |
| } |
| break; |
| } |
| break; |
| case EVT_STATECHG_ADM: |
| DEBUGP(DMM, "Unhandled state change in %s:%d\n", __func__, __LINE__); |
| 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); |
| set_ts_e1link(&trx->ts[0], 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 */ |
| set_ts_e1link(&trx->ts[1], 0, 2, 1); |
| 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 */ |
| set_ts_e1link(&trx->ts[2], 0, 2, 2); |
| 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 */ |
| set_ts_e1link(&trx->ts[3], 0, 2, 3); |
| 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 */ |
| set_ts_e1link(&trx->ts[4], 0, 3, 0); |
| 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 */ |
| set_ts_e1link(&trx->ts[5], 0, 3, 1); |
| 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 */ |
| set_ts_e1link(&trx->ts[6], 0, 3, 2); |
| 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 */ |
| set_ts_e1link(&trx->ts[7], 0, 3, 3); |
| 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\n"); |
| |
| 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; |
| } |
| |
| /* |
| * Inform anyone... |
| */ |
| static void bsc_hack_channel_allocated(struct gsm_lchan *lchan) { |
| } |
| |
| /* |
| * Patch the various SYSTEM INFORMATION tables to update |
| * the LAI |
| */ |
| static void patch_tables(struct gsm_bts *bts) |
| { |
| u_int8_t arfcn_low = ARFCN & 0xff; |
| u_int8_t arfcn_high = (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; |
| } |
| |
| |
| static void bootstrap_rsl(struct gsm_bts_trx *trx) |
| { |
| fprintf(stdout, "bootstrapping RSL MCC=%u MNC=%u\n", 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_network(void) |
| { |
| struct gsm_bts *bts; |
| |
| /* initialize our data structures */ |
| gsmnet = gsm_network_init(1, BTS_TYPE, MCC, MNC); |
| if (!gsmnet) |
| return -ENOMEM; |
| |
| gsmnet->name_long = "OpenBSC"; |
| gsmnet->name_short = "OpenBSC"; |
| bts = &gsmnet->bts[0]; |
| bts->location_area_code = 1; |
| 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); |
| bts->paging.channel_allocated = bsc_hack_channel_allocated; |
| |
| 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); |
| |
| /* E1 mISDN input setup */ |
| if (BTS_TYPE == GSM_BTS_TYPE_BS11) |
| return e1_config(bts); |
| else |
| return ia_config(bts); |
| } |
| |
| 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(" -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(" -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'}, |
| {"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'}, |
| {0, 0, 0, 0} |
| }; |
| |
| c = getopt_long(argc, argv, "hc:n:d:sar:p:f: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 '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; |
| 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(); |
| } |
| } |