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Diffstat (limited to 'openbsc/src/bsc_init.c')
| -rw-r--r-- | openbsc/src/bsc_init.c | 1016 |
1 files changed, 1016 insertions, 0 deletions
diff --git a/openbsc/src/bsc_init.c b/openbsc/src/bsc_init.c new file mode 100644 index 000000000..f3436621f --- /dev/null +++ b/openbsc/src/bsc_init.c @@ -0,0 +1,1016 @@ +/* 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 <osmocore/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 <osmocore/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, + NM_ATT_IPACC_CGI, 0, 7, 0x00, 0xf1, 0x10, 0x00, 0x01, 0x00, 0x00, +}; + +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_nse[] = { + NM_ATT_IPACC_NSEI, 0, 2, 0x03, 0x9d, /* NSEI 925 */ + NM_ATT_IPACC_NS_CFG, 0, 7, 3, /* (un)blocking timer (Tns-block) */ + 3, /* (un)blocking retries */ + 3, /* reset timer (Tns-reset) */ + 3, /* reset retries */ + 30, /* test timer (Tns-test) */ + 3, /* alive timer (Tns-alive) */ + 10, /* alive retrires */ + NM_ATT_IPACC_BSSGP_CFG, 0, 11, + 3, /* blockimg timer (T1) */ + 3, /* blocking retries */ + 3, /* unblocking retries */ + 3, /* reset timer */ + 3, /* reset retries */ + 10, /* suspend timer (T3) in 100ms */ + 3, /* suspend retries */ + 10, /* resume timer (T4) in 100ms */ + 3, /* resume retries */ + 10, /* capability update timer (T5) */ + 3, /* capability update retries */ +}; + +static unsigned char nanobts_attr_cell[] = { + NM_ATT_IPACC_RAC, 0, 1, 1, /* routing area code */ + NM_ATT_IPACC_GPRS_PAGING_CFG, 0, 2, + 5, /* repeat time (50ms) */ + 3, /* repeat count */ + NM_ATT_IPACC_BVCI, 0, 2, 0x03, 0x9d, /* BVCI 925 */ + NM_ATT_IPACC_RLC_CFG, 0, 9, + 20, /* T3142 */ + 5, /* T3169 */ + 5, /* T3191 */ + 200, /* T3193 */ + 5, /* T3195 */ + 10, /* N3101 */ + 4, /* N3103 */ + 8, /* N3105 */ + 15, /* RLC CV countdown */ + NM_ATT_IPACC_CODING_SCHEMES, 0, 2, 0x0f, 0x00, + NM_ATT_IPACC_RLC_CFG_2, 0, 5, + 0x00, 250, + 0x00, 250, + 2, /* MCS2 */ +#if 0 + /* EDGE model only, breaks older models. + * Should inquire the BTS capabilities */ + NM_ATT_IPACC_RLC_CFG_3, 0, 1, + 2, /* MCS2 */ +#endif +}; + +static unsigned char nanobts_attr_nsvc0[] = { + NM_ATT_IPACC_NSVCI, 0, 2, 0x03, 0x9d, /* 925 */ + NM_ATT_IPACC_NS_LINK_CFG, 0, 8, + 0x59, 0xd8, /* remote udp port (23000) */ + 192, 168, 100, 11, /* remote ip address */ + 0x59, 0xd8, /* local udp port (23000) */ +}; + +/* 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; + struct gsm_bts_gprs_nsvc *nsvc; + + /* 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) || + (new_state->operational == 1 && + new_state->availability == NM_AVSTATE_OFF_LINE)) + 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; + case NM_OC_GPRS_NSE: + bts = container_of(obj, struct gsm_bts, gprs.nse); + if (!bts->gprs.enabled) + break; + if (new_state->availability == 5) { + abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, + 0xff, 0xff, nanobts_attr_nse, + sizeof(nanobts_attr_nse)); + abis_nm_opstart(bts, obj_class, bts->bts_nr, + 0xff, 0xff); + abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr, + 0xff, 0xff, NM_STATE_UNLOCKED); + } + break; + case NM_OC_GPRS_CELL: + bts = container_of(obj, struct gsm_bts, gprs.cell); + if (!bts->gprs.enabled) + break; + if (new_state->availability == 5) { + abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, + 0, 0xff, nanobts_attr_cell, + sizeof(nanobts_attr_cell)); + abis_nm_opstart(bts, obj_class, bts->bts_nr, + 0, 0xff); + abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr, + 0, 0xff, NM_STATE_UNLOCKED); + } + break; + case NM_OC_GPRS_NSVC: + nsvc = obj; + bts = nsvc->bts; + if (!bts->gprs.enabled) + break; + /* We skip NSVC1 since we only use NSVC0 */ + if (nsvc->id == 1) + break; + if (new_state->availability == NM_AVSTATE_OFF_LINE) { + abis_nm_ipaccess_set_attr(bts, obj_class, bts->bts_nr, + nsvc->id, 0xff, + nanobts_attr_nsvc0, + sizeof(nanobts_attr_nsvc0)); + abis_nm_opstart(bts, obj_class, bts->bts_nr, + nsvc->id, 0xff); + abis_nm_chg_adm_state(bts, obj_class, bts->bts_nr, + nsvc->id, 0xff, + NM_STATE_UNLOCKED); + } + 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); + + if (!trx) + return -EINVAL; + + 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->nm_state.administrative; + /* 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]; + struct gsm_bts *bts = trx->bts; + + 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.neci = bts->network->neci; + + 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)); + } + if (bts->gprs.enabled) { + 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); + } + } + + 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)-11] = bts->bsic; + + /* patch CGI */ + abis_nm_ipaccess_cgi(nanobts_attr_bts+sizeof(nanobts_attr_bts)-7, bts); + + /* patch the power reduction */ + bs11_attr_radio[5] = bts->c0->max_power_red / 2; + nanobts_attr_radio[1] = bts->c0->max_power_red / 2; + + /* patch NSEI */ + nanobts_attr_nse[3] = bts->gprs.nse.nsei >> 8; + nanobts_attr_nse[4] = bts->gprs.nse.nsei & 0xff; + + /* patch NSVCI */ + nanobts_attr_nsvc0[3] = bts->gprs.nsvc[0].nsvci >> 8; + nanobts_attr_nsvc0[4] = bts->gprs.nsvc[0].nsvci & 0xff; + + /* patch IP address as SGSN IP */ + *(u_int16_t *)(nanobts_attr_nsvc0+8) = + htons(bts->gprs.nsvc[0].remote_port); + *(u_int32_t *)(nanobts_attr_nsvc0+10) = + htonl(bts->gprs.nsvc[0].remote_ip); + *(u_int16_t *)(nanobts_attr_nsvc0+14) = + htons(bts->gprs.nsvc[0].local_port); + + /* patch BVCI */ + nanobts_attr_cell[12] = bts->gprs.cell.bvci >> 8; + nanobts_attr_cell[13] = bts->gprs.cell.bvci & 0xff; + /* patch RAC */ + nanobts_attr_cell[3] = bts->gprs.rac; + +} + +static void bootstrap_rsl(struct gsm_bts_trx *trx) +{ + LOGP(DRSL, LOGL_NOTICE, "bootstrapping RSL for BTS/TRX (%u/%u) " + "on ARFCN %u using MCC=%u MNC=%u LAC=%u CID=%u BSIC=%u TSC=%u\n", + trx->bts->nr, trx->nr, trx->arfcn, bsc_gsmnet->country_code, + bsc_gsmnet->network_code, trx->bts->location_area_code, + trx->bts->cell_identity, 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 && bts->c0->arfcn < 955) || + bts->c0->arfcn > 1023) { + LOGP(DNM, LOGL_ERROR, "GSM900 channel must be between 1-124, 955-1023.\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->si_common.rach_control.cell_bar) + LOGP(DNM, LOGL_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; + /* T3212 is set from vty/config */ + + /* some defaults for our system information */ + bts->si_common.cell_options.radio_link_timeout = 2; /* 12 */ + bts->si_common.cell_options.dtx = 2; /* MS shall not use upplink DTX */ + bts->si_common.cell_options.pwrc = 0; /* PWRC not set */ + + bts->si_common.cell_sel_par.acs = 0; + + 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; +} |