| /* 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 <openbsc/gsm_data.h> |
| #include <openbsc/gsm_utils.h> |
| #include <openbsc/gsm_04_08.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/system_information.h> |
| #include <openbsc/paging.h> |
| #include <openbsc/signal.h> |
| #include <openbsc/talloc.h> |
| |
| /* global pointer to the gsm network data structure */ |
| extern struct gsm_network *bsc_gsmnet; |
| |
| static void patch_nm_tables(struct gsm_bts *bts); |
| |
| /* 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[] = |
| { |
| NM_MT_BS11_SET_ATTR, NM_OC_SITE_MANAGER, 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 |
| */ |
| |
| static unsigned char bs11_attr_bts[] = |
| { |
| 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[] = |
| { |
| NM_MT_BS11_SET_ATTR, NM_OC_BS11_HANDOVER, 0x00, 0xFF, 0xFF, |
| 0xD0, 0x00, /* enableDelayPowerBudgetHO */ |
| 0x64, 0x00, /* enableDistanceHO */ |
| 0x67, 0x00, /* enableInternalInterCellHandover */ |
| 0x68, 0x00, /* enableInternalInterCellHandover */ |
| 0x6A, 0x00, /* enablePowerBudgetHO */ |
| 0x6C, 0x00, /* enableRXLEVHO */ |
| 0x6D, 0x00, /* enableRXQUALHO */ |
| 0x6F, 0x08, /* hoAveragingDistance */ |
| 0x70, 0x08, 0x01, /* hoAveragingLev */ |
| 0x71, 0x10, 0x10, 0x10, |
| 0x72, 0x08, 0x02, /* hoAveragingQual */ |
| 0x73, 0x0A, /* hoLowerThresholdLevDL */ |
| 0x74, 0x05, /* hoLowerThresholdLevUL */ |
| 0x75, 0x06, /* hoLowerThresholdQualDL */ |
| 0x76, 0x06, /* hoLowerThresholdQualUL */ |
| 0x78, 0x14, /* hoThresholdLevDLintra */ |
| 0x79, 0x14, /* hoThresholdLevULintra */ |
| 0x7A, 0x14, /* hoThresholdMsRangeMax */ |
| 0x7D, 0x06, /* nCell */ |
| NM_ATT_BS11_TIMER_HO_REQUEST, 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[] = |
| { |
| NM_MT_BS11_SET_ATTR, 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, /* pcAveragingLev */ |
| 0x7F, 0x04, 0x02, /* pcAveragingQual */ |
| 0x80, 0x0F, /* pcLowerThresholdLevDL */ |
| 0x81, 0x0A, /* pcLowerThresholdLevUL */ |
| 0x82, 0x05, /* pcLowerThresholdQualDL */ |
| 0x83, 0x05, /* pcLowerThresholdQualUL */ |
| 0x84, 0x0C, /* pcRLFThreshold */ |
| 0x85, 0x14, /* pcUpperThresholdLevDL */ |
| 0x86, 0x0F, /* pcUpperThresholdLevUL */ |
| 0x87, 0x04, /* pcUpperThresholdQualDL */ |
| 0x88, 0x04, /* pcUpperThresholdQualUL */ |
| 0x89, 0x02, /* powerConfirm */ |
| 0x8A, 0x02, /* powerConfirmInterval */ |
| 0x8B, 0x02, /* powerIncrStepSize */ |
| 0x8C, 0x01, /* powerRedStepSize */ |
| 0x8D, 0x40, /* radioLinkTimeoutBs */ |
| 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 |
| */ |
| |
| static unsigned char bs11_attr_radio[] = |
| { |
| NM_ATT_ARFCN_LIST, 0x01, 0x00, HARDCODED_ARFCN /*0x01*/, |
| NM_ATT_RF_MAXPOWR_R, 0x00, |
| NM_ATT_BS11_RADIO_MEAS_GRAN, 0x01, 0x05, |
| 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, |
| }; |
| |
| /* 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 event-driven BTS setup is currently only required on nanoBTS */ |
| |
| /* EVT_STATECHG_ADM is called after we call chg_adm_state() and would create |
| * endless loop */ |
| if (evt != EVT_STATECHG_OPER) |
| return 0; |
| |
| switch (obj_class) { |
| case NM_OC_SITE_MANAGER: |
| bts = container_of(obj, struct gsm_bts, site_mgr); |
| if (new_state->operational == 2 && |
| new_state->availability == NM_AVSTATE_OK) |
| abis_nm_opstart(bts, obj_class, 0xff, 0xff, 0xff); |
| break; |
| case NM_OC_BTS: |
| bts = obj; |
| if (new_state->availability == NM_AVSTATE_DEPENDENCY) { |
| patch_nm_tables(bts); |
| abis_nm_set_bts_attr(bts, nanobts_attr_bts, |
| sizeof(nanobts_attr_bts)); |
| abis_nm_chg_adm_state(bts, obj_class, |
| bts->bts_nr, 0xff, 0xff, |
| NM_STATE_UNLOCKED); |
| abis_nm_opstart(bts, obj_class, |
| bts->bts_nr, 0xff, 0xff); |
| } |
| break; |
| case NM_OC_CHANNEL: |
| ts = obj; |
| trx = ts->trx; |
| if (new_state->operational == 1 && |
| new_state->availability == NM_AVSTATE_DEPENDENCY) { |
| patch_nm_tables(trx->bts); |
| enum abis_nm_chan_comb ccomb = |
| abis_nm_chcomb4pchan(ts->pchan); |
| abis_nm_set_channel_attr(ts, ccomb); |
| abis_nm_chg_adm_state(trx->bts, obj_class, |
| trx->bts->bts_nr, trx->nr, ts->nr, |
| NM_STATE_UNLOCKED); |
| abis_nm_opstart(trx->bts, obj_class, |
| trx->bts->bts_nr, trx->nr, ts->nr); |
| } |
| break; |
| case NM_OC_RADIO_CARRIER: |
| trx = obj; |
| if (new_state->operational == 1 && |
| new_state->availability == NM_AVSTATE_OK) |
| abis_nm_opstart(trx->bts, obj_class, trx->bts->bts_nr, |
| trx->nr, 0xff); |
| break; |
| default: |
| 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 *bts = mb->trx->bts; |
| struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, foh->obj_inst.trx_nr); |
| |
| |
| switch (foh->obj_class) { |
| case NM_OC_BASEB_TRANSC: |
| abis_nm_chg_adm_state(trx->bts, foh->obj_class, |
| trx->bts->bts_nr, trx->nr, 0xff, |
| NM_STATE_UNLOCKED); |
| abis_nm_opstart(trx->bts, foh->obj_class, |
| trx->bts->bts_nr, trx->nr, 0xff); |
| /* TRX software is active, tell it to initiate RSL Link */ |
| abis_nm_ipaccess_rsl_connect(trx, 0, 3003, trx->rsl_tei); |
| break; |
| case NM_OC_RADIO_CARRIER: { |
| /* |
| * Locking the radio carrier will make it go |
| * offline again and we would come here. The |
| * framework should determine that there was |
| * no change and avoid recursion. |
| * |
| * This code is here to make sure that on start |
| * a TRX remains locked. |
| */ |
| int rc_state = trx->rf_locked ? |
| NM_STATE_LOCKED : NM_STATE_UNLOCKED; |
| /* Patch ARFCN into radio attribute */ |
| nanobts_attr_radio[5] &= 0xf0; |
| nanobts_attr_radio[5] |= trx->arfcn >> 8; |
| nanobts_attr_radio[6] = trx->arfcn & 0xff; |
| abis_nm_set_radio_attr(trx, nanobts_attr_radio, |
| sizeof(nanobts_attr_radio)); |
| abis_nm_chg_adm_state(trx->bts, foh->obj_class, |
| trx->bts->bts_nr, trx->nr, 0xff, |
| rc_state); |
| abis_nm_opstart(trx->bts, foh->obj_class, trx->bts->bts_nr, |
| trx->nr, 0xff); |
| break; |
| } |
| } |
| return 0; |
| } |
| |
| /* Callback function for NACK on the OML NM */ |
| static int oml_msg_nack(u_int8_t mt) |
| { |
| if (mt == NM_MT_SET_BTS_ATTR_NACK) { |
| LOGP(DNM, LOGL_FATAL, "Failed to set BTS attributes. That is fatal. " |
| "Was the bts type and frequency properly specified?\n"); |
| exit(-1); |
| } |
| |
| 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) |
| { |
| u_int8_t *msg_type; |
| |
| switch (signal) { |
| case S_NM_SW_ACTIV_REP: |
| return sw_activ_rep(signal_data); |
| case S_NM_NACK: |
| msg_type = signal_data; |
| return oml_msg_nack(*msg_type); |
| 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 nm_reconfig_ts(struct gsm_bts_trx_ts *ts) |
| { |
| enum abis_nm_chan_comb ccomb = abis_nm_chcomb4pchan(ts->pchan); |
| struct gsm_e1_subslot *e1l = &ts->e1_link; |
| |
| abis_nm_set_channel_attr(ts, ccomb); |
| |
| if (is_ipaccess_bts(ts->trx->bts)) |
| return; |
| |
| switch (ts->pchan) { |
| case GSM_PCHAN_TCH_F: |
| case GSM_PCHAN_TCH_H: |
| abis_nm_conn_terr_traf(ts, e1l->e1_nr, e1l->e1_ts, |
| e1l->e1_ts_ss); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void nm_reconfig_trx(struct gsm_bts_trx *trx) |
| { |
| struct gsm_e1_subslot *e1l = &trx->rsl_e1_link; |
| int i; |
| |
| patch_nm_tables(trx->bts); |
| |
| switch (trx->bts->type) { |
| case GSM_BTS_TYPE_BS11: |
| /* FIXME: discover this by fetching an attribute */ |
| #if 0 |
| trx->nominal_power = 15; /* 15dBm == 30mW PA configuration */ |
| #else |
| trx->nominal_power = 24; /* 24dBm == 250mW PA configuration */ |
| #endif |
| abis_nm_conn_terr_sign(trx, e1l->e1_nr, e1l->e1_ts, |
| e1l->e1_ts_ss); |
| abis_nm_establish_tei(trx->bts, trx->nr, e1l->e1_nr, |
| e1l->e1_ts, e1l->e1_ts_ss, trx->rsl_tei); |
| |
| /* Set Radio Attributes */ |
| if (trx == trx->bts->c0) |
| abis_nm_set_radio_attr(trx, bs11_attr_radio, |
| sizeof(bs11_attr_radio)); |
| else { |
| u_int8_t trx1_attr_radio[sizeof(bs11_attr_radio)]; |
| u_int8_t arfcn_low = trx->arfcn & 0xff; |
| u_int8_t arfcn_high = (trx->arfcn >> 8) & 0x0f; |
| memcpy(trx1_attr_radio, bs11_attr_radio, |
| sizeof(trx1_attr_radio)); |
| |
| /* patch ARFCN into TRX Attributes */ |
| trx1_attr_radio[2] &= 0xf0; |
| trx1_attr_radio[2] |= arfcn_high; |
| trx1_attr_radio[3] = arfcn_low; |
| |
| abis_nm_set_radio_attr(trx, trx1_attr_radio, |
| sizeof(trx1_attr_radio)); |
| } |
| break; |
| case GSM_BTS_TYPE_NANOBTS: |
| switch (trx->bts->band) { |
| case GSM_BAND_850: |
| case GSM_BAND_900: |
| trx->nominal_power = 20; |
| break; |
| case GSM_BAND_1800: |
| case GSM_BAND_1900: |
| trx->nominal_power = 23; |
| break; |
| default: |
| LOGP(DNM, LOGL_ERROR, "Unsupported nanoBTS GSM band %s\n", |
| gsm_band_name(trx->bts->band)); |
| break; |
| } |
| break; |
| default: |
| break; |
| } |
| |
| for (i = 0; i < TRX_NR_TS; i++) |
| nm_reconfig_ts(&trx->ts[i]); |
| } |
| |
| static void nm_reconfig_bts(struct gsm_bts *bts) |
| { |
| struct gsm_bts_trx *trx; |
| |
| switch (bts->type) { |
| case GSM_BTS_TYPE_BS11: |
| patch_nm_tables(bts); |
| abis_nm_raw_msg(bts, sizeof(msg_1), msg_1); /* set BTS SiteMgr attr*/ |
| abis_nm_set_bts_attr(bts, bs11_attr_bts, sizeof(bs11_attr_bts)); |
| 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 */ |
| break; |
| default: |
| break; |
| } |
| |
| llist_for_each_entry(trx, &bts->trx_list, list) |
| nm_reconfig_trx(trx); |
| } |
| |
| static void bootstrap_om_bs11(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); |
| |
| /* begin DB transmission */ |
| abis_nm_bs11_db_transmission(bts, 1); |
| |
| /* reconfigure BTS with all TRX and all TS */ |
| nm_reconfig_bts(bts); |
| |
| /* 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) |
| { |
| LOGP(DNM, LOGL_NOTICE, "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: |
| bootstrap_om_nanobts(bts); |
| break; |
| default: |
| LOGP(DNM, LOGL_ERROR, "Unable to bootstrap OML: Unknown BTS type %d\n", bts->type); |
| } |
| } |
| |
| static int shutdown_om(struct gsm_bts *bts) |
| { |
| LOGP(DNM, LOGL_NOTICE, "shutting down OML for BTS %u\n", bts->nr); |
| |
| /* 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; |
| } |
| |
| int bsc_shutdown_net(struct gsm_network *net) |
| { |
| struct gsm_bts *bts; |
| |
| llist_for_each_entry(bts, &net->bts_list, list) { |
| int rc; |
| rc = shutdown_om(bts); |
| if (rc < 0) |
| return rc; |
| } |
| |
| return 0; |
| } |
| |
| /* set all system information types */ |
| static int set_system_infos(struct gsm_bts_trx *trx) |
| { |
| int i, rc; |
| u_int8_t si_tmp[23]; |
| |
| if (trx == trx->bts->c0) { |
| for (i = 1; i <= 4; i++) { |
| rc = gsm_generate_si(si_tmp, trx->bts, i); |
| if (rc < 0) |
| goto err_out; |
| DEBUGP(DRR, "SI%2u: %s\n", i, hexdump(si_tmp, rc)); |
| rsl_bcch_info(trx, i, si_tmp, sizeof(si_tmp)); |
| } |
| } |
| #ifdef GPRS |
| i = 13 |
| rc = gsm_generate_si(si_tmp, trx->bts, RSL_SYSTEM_INFO_13); |
| if (rc < 0) |
| goto err_out; |
| DEBUGP(DRR, "SI%2u: %s\n", i, hexdump(si_tmp, rc)); |
| rsl_bcch_info(trx, RSL_SYSTEM_INFO_13, si_tmp, rc); |
| #endif |
| i = 5; |
| rc = gsm_generate_si(si_tmp, trx->bts, RSL_SYSTEM_INFO_5); |
| if (rc < 0) |
| goto err_out; |
| DEBUGP(DRR, "SI%2u: %s\n", i, hexdump(si_tmp, rc)); |
| rsl_sacch_filling(trx, RSL_SYSTEM_INFO_5, si_tmp, rc); |
| |
| i = 6; |
| rc = gsm_generate_si(si_tmp, trx->bts, RSL_SYSTEM_INFO_6); |
| if (rc < 0) |
| goto err_out; |
| DEBUGP(DRR, "SI%2u: %s\n", i, hexdump(si_tmp, rc)); |
| rsl_sacch_filling(trx, RSL_SYSTEM_INFO_6, si_tmp, rc); |
| |
| return 0; |
| err_out: |
| LOGP(DRR, LOGL_ERROR, "Cannot generate SI %u for BTS %u, most likely " |
| "a problem with neighbor cell list generation\n", |
| i, trx->bts->nr); |
| return rc; |
| } |
| |
| /* |
| * Patch the various SYSTEM INFORMATION tables to update |
| * the LAI |
| */ |
| static void patch_nm_tables(struct gsm_bts *bts) |
| { |
| u_int8_t arfcn_low = bts->c0->arfcn & 0xff; |
| u_int8_t arfcn_high = (bts->c0->arfcn >> 8) & 0x0f; |
| |
| /* patch ARFCN into BTS Attributes */ |
| bs11_attr_bts[69] &= 0xf0; |
| bs11_attr_bts[69] |= arfcn_high; |
| bs11_attr_bts[70] = arfcn_low; |
| nanobts_attr_bts[42] &= 0xf0; |
| nanobts_attr_bts[42] |= arfcn_high; |
| nanobts_attr_bts[43] = arfcn_low; |
| |
| /* patch ARFCN into TRX Attributes */ |
| bs11_attr_radio[2] &= 0xf0; |
| bs11_attr_radio[2] |= arfcn_high; |
| bs11_attr_radio[3] = arfcn_low; |
| |
| /* patch BSIC */ |
| bs11_attr_bts[1] = bts->bsic; |
| nanobts_attr_bts[sizeof(nanobts_attr_bts)-1] = bts->bsic; |
| |
| /* patch the power reduction */ |
| bs11_attr_radio[5] = bts->c0->max_power_red / 2; |
| nanobts_attr_radio[1] = bts->c0->max_power_red / 2; |
| } |
| |
| static void bootstrap_rsl(struct gsm_bts_trx *trx) |
| { |
| LOGP(DRSL, LOGL_NOTICE, "bootstrapping RSL for BTS/TRX (%u/%u) " |
| "using MCC=%u MNC=%u BSIC=%u TSC=%u\n", |
| trx->bts->nr, trx->nr, bsc_gsmnet->country_code, |
| bsc_gsmnet->network_code, trx->bts->bsic, trx->bts->tsc); |
| 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: |
| LOGP(DMI, LOGL_NOTICE, "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) |
| { |
| switch (bts->band) { |
| case GSM_BAND_1800: |
| if (bts->c0->arfcn < 512 || bts->c0->arfcn > 885) { |
| LOGP(DNM, LOGL_ERROR, "GSM1800 channel must be between 512-885.\n"); |
| return -EINVAL; |
| } |
| break; |
| case GSM_BAND_1900: |
| if (bts->c0->arfcn < 512 || bts->c0->arfcn > 810) { |
| LOGP(DNM, LOGL_ERROR, "GSM1900 channel must be between 512-810.\n"); |
| return -EINVAL; |
| } |
| break; |
| case GSM_BAND_900: |
| if (bts->c0->arfcn < 1 || bts->c0->arfcn > 124) { |
| LOGP(DNM, LOGL_ERROR, "GSM900 channel must be between 1-124.\n"); |
| return -EINVAL; |
| } |
| break; |
| default: |
| LOGP(DNM, LOGL_ERROR, "Unsupported frequency band.\n"); |
| return -EINVAL; |
| } |
| |
| if (bts->network->auth_policy == GSM_AUTH_POLICY_ACCEPT_ALL && |
| !bts->cell_barred) |
| LOGP(DNM, LOG_ERROR, "\nWARNING: You are running an 'accept-all' " |
| "network on a BTS that is not barred. This " |
| "configuration is likely to interfere with production " |
| "GSM networks and should only be used in a RF " |
| "shielded environment such as a faraday cage!\n\n"); |
| |
| /* Control Channel Description */ |
| bts->si_common.chan_desc.att = 1; |
| bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_1_C; |
| bts->si_common.chan_desc.bs_pa_mfrms = RSL_BS_PA_MFRMS_5; |
| if (bts->cell_barred) |
| bts->si_common.rach_control.cell_bar = 1; |
| /* T3212 is set from vty/config */ |
| |
| /* some defaults for our system information */ |
| bts->si_common.rach_control.re = 1; /* no re-establishment */ |
| bts->si_common.rach_control.tx_integer = 5; /* 8 slots spread */ |
| bts->si_common.rach_control.max_trans = 3; /* 7 retransmissions */ |
| bts->si_common.rach_control.t2 = 4; /* no emergency calls */ |
| |
| bts->si_common.cell_options.radio_link_timeout = 2; /* 12 */ |
| bts->si_common.cell_options.dtx = 2; /* MS shall not use upplink DTX */ |
| bts->si_common.cell_options.pwrc = 0; /* PWRC not set */ |
| |
| bts->si_common.cell_sel_par.ms_txpwr_max_ccch = |
| ms_pwr_ctl_lvl(bts->band, bts->ms_max_power); |
| bts->si_common.cell_sel_par.acs = 0; |
| bts->si_common.cell_sel_par.neci = bts->network->neci; |
| |
| bts->si_common.ncc_permitted = 0xff; |
| |
| paging_init(bts); |
| |
| return 0; |
| } |
| |
| int bsc_bootstrap_network(int (*mncc_recv)(struct gsm_network *, int, void *), |
| const char *config_file) |
| { |
| struct gsm_bts *bts; |
| int rc; |
| |
| /* initialize our data structures */ |
| bsc_gsmnet = gsm_network_init(1, 1, mncc_recv); |
| if (!bsc_gsmnet) |
| return -ENOMEM; |
| |
| bsc_gsmnet->name_long = talloc_strdup(bsc_gsmnet, "OpenBSC"); |
| bsc_gsmnet->name_short = talloc_strdup(bsc_gsmnet, "OpenBSC"); |
| |
| telnet_init(bsc_gsmnet, 4242); |
| rc = vty_read_config_file(config_file); |
| if (rc < 0) { |
| LOGP(DNM, LOGL_FATAL, "Failed to parse the config file: '%s'\n", config_file); |
| return rc; |
| } |
| |
| register_signal_handler(SS_NM, nm_sig_cb, NULL); |
| |
| llist_for_each_entry(bts, &bsc_gsmnet->bts_list, list) { |
| bootstrap_bts(bts); |
| if (!is_ipaccess_bts(bts)) |
| rc = e1_reconfig_bts(bts); |
| |
| if (rc < 0) |
| exit (1); |
| } |
| |
| /* initialize nanoBTS support omce */ |
| rc = ipaccess_setup(bsc_gsmnet); |
| |
| return 0; |
| } |