882 lines
25 KiB
C
882 lines
25 KiB
C
/* A hackish minimal BSC (+MSC +HLR) implementation */
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/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
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* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <openbsc/gsm_data.h>
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#include <osmocore/gsm_utils.h>
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#include <openbsc/gsm_04_08.h>
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#include <openbsc/abis_rsl.h>
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#include <openbsc/abis_nm.h>
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#include <openbsc/debug.h>
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#include <openbsc/misdn.h>
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#include <openbsc/telnet_interface.h>
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#include <openbsc/system_information.h>
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#include <openbsc/paging.h>
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#include <openbsc/signal.h>
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#include <osmocore/talloc.h>
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/* global pointer to the gsm network data structure */
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extern struct gsm_network *bsc_gsmnet;
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static void patch_nm_tables(struct gsm_bts *bts);
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/* The following definitions are for OM and NM packets that we cannot yet
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* generate by code but we just pass on */
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// BTS Site Manager, SET ATTRIBUTES
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/*
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Object Class: BTS Site Manager
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Instance 1: FF
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Instance 2: FF
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Instance 3: FF
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SET ATTRIBUTES
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sAbisExternalTime: 2007/09/08 14:36:11
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omLAPDRelTimer: 30sec
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shortLAPDIntTimer: 5sec
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emergencyTimer1: 10 minutes
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emergencyTimer2: 0 minutes
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*/
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unsigned char msg_1[] =
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{
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NM_MT_BS11_SET_ATTR, NM_OC_SITE_MANAGER, 0xFF, 0xFF, 0xFF,
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NM_ATT_BS11_ABIS_EXT_TIME, 0x07,
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0xD7, 0x09, 0x08, 0x0E, 0x24, 0x0B, 0xCE,
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0x02,
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0x00, 0x1E,
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NM_ATT_BS11_SH_LAPD_INT_TIMER,
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0x01, 0x05,
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0x42, 0x02, 0x00, 0x0A,
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0x44, 0x02, 0x00, 0x00
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};
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// BTS, SET BTS ATTRIBUTES
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/*
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Object Class: BTS
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BTS relat. Number: 0
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Instance 2: FF
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Instance 3: FF
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SET BTS ATTRIBUTES
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bsIdentityCode / BSIC:
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PLMN_colour_code: 7h
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BS_colour_code: 7h
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BTS Air Timer T3105: 4 ,unit 10 ms
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btsIsHopping: FALSE
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periodCCCHLoadIndication: 1sec
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thresholdCCCHLoadIndication: 0%
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cellAllocationNumber: 00h = GSM 900
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enableInterferenceClass: 00h = Disabled
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fACCHQual: 6 (FACCH stealing flags minus 1)
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intaveParameter: 31 SACCH multiframes
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interferenceLevelBoundaries:
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Interference Boundary 1: 0Ah
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Interference Boundary 2: 0Fh
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Interference Boundary 3: 14h
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Interference Boundary 4: 19h
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Interference Boundary 5: 1Eh
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mSTxPwrMax: 11
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GSM range: 2=39dBm, 15=13dBm, stepsize 2 dBm
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DCS1800 range: 0=30dBm, 15=0dBm, stepsize 2 dBm
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PCS1900 range: 0=30dBm, 15=0dBm, stepsize 2 dBm
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30=33dBm, 31=32dBm
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ny1:
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Maximum number of repetitions for PHYSICAL INFORMATION message (GSM 04.08): 20
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powerOutputThresholds:
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Out Power Fault Threshold: -10 dB
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Red Out Power Threshold: - 6 dB
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Excessive Out Power Threshold: 5 dB
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rACHBusyThreshold: -127 dBm
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rACHLoadAveragingSlots: 250 ,number of RACH burst periods
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rfResourceIndicationPeriod: 125 SACCH multiframes
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T200:
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SDCCH: 044 in 5 ms
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FACCH/Full rate: 031 in 5 ms
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FACCH/Half rate: 041 in 5 ms
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SACCH with TCH SAPI0: 090 in 10 ms
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SACCH with SDCCH: 090 in 10 ms
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SDCCH with SAPI3: 090 in 5 ms
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SACCH with TCH SAPI3: 135 in 10 ms
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tSync: 9000 units of 10 msec
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tTrau: 9000 units of 10 msec
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enableUmLoopTest: 00h = disabled
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enableExcessiveDistance: 00h = Disabled
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excessiveDistance: 64km
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hoppingMode: 00h = baseband hopping
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cellType: 00h = Standard Cell
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BCCH ARFCN / bCCHFrequency: 1
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*/
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static unsigned char bs11_attr_bts[] =
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{
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NM_ATT_BSIC, HARDCODED_BSIC,
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NM_ATT_BTS_AIR_TIMER, 0x04,
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NM_ATT_BS11_BTSLS_HOPPING, 0x00,
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NM_ATT_CCCH_L_I_P, 0x01,
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NM_ATT_CCCH_L_T, 0x00,
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NM_ATT_BS11_CELL_ALLOC_NR, NM_BS11_CANR_GSM,
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NM_ATT_BS11_ENA_INTERF_CLASS, 0x01,
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NM_ATT_BS11_FACCH_QUAL, 0x06,
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/* interference avg. period in numbers of SACCH multifr */
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NM_ATT_INTAVE_PARAM, 0x1F,
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NM_ATT_INTERF_BOUND, 0x0A, 0x0F, 0x14, 0x19, 0x1E, 0x7B,
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NM_ATT_CCCH_L_T, 0x23,
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NM_ATT_GSM_TIME, 0x28, 0x00,
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NM_ATT_ADM_STATE, 0x03,
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NM_ATT_RACH_B_THRESH, 0x7F,
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NM_ATT_LDAVG_SLOTS, 0x00, 0xFA,
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NM_ATT_BS11_RF_RES_IND_PER, 0x7D,
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NM_ATT_T200, 0x2C, 0x1F, 0x29, 0x5A, 0x5A, 0x5A, 0x87,
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NM_ATT_BS11_TSYNC, 0x23, 0x28,
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NM_ATT_BS11_TTRAU, 0x23, 0x28,
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NM_ATT_TEST_DUR, 0x01, 0x00,
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NM_ATT_OUTST_ALARM, 0x01, 0x00,
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NM_ATT_BS11_EXCESSIVE_DISTANCE, 0x01, 0x40,
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NM_ATT_BS11_HOPPING_MODE, 0x01, 0x00,
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NM_ATT_BS11_PLL, 0x01, 0x00,
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NM_ATT_BCCH_ARFCN, 0x00, HARDCODED_ARFCN/*0x01*/,
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};
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// Handover Recognition, SET ATTRIBUTES
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/*
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Illegal Contents GSM Formatted O&M Msg
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Object Class: Handover Recognition
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BTS relat. Number: 0
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Instance 2: FF
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Instance 3: FF
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SET ATTRIBUTES
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enableDelayPowerBudgetHO: 00h = Disabled
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enableDistanceHO: 00h = Disabled
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enableInternalInterCellHandover: 00h = Disabled
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enableInternalIntraCellHandover: 00h = Disabled
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enablePowerBudgetHO: 00h = Disabled
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enableRXLEVHO: 00h = Disabled
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enableRXQUALHO: 00h = Disabled
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hoAveragingDistance: 8 SACCH multiframes
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hoAveragingLev:
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A_LEV_HO: 8 SACCH multiframes
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W_LEV_HO: 1 SACCH multiframes
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hoAveragingPowerBudget: 16 SACCH multiframes
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hoAveragingQual:
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A_QUAL_HO: 8 SACCH multiframes
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W_QUAL_HO: 2 SACCH multiframes
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hoLowerThresholdLevDL: (10 - 110) dBm
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hoLowerThresholdLevUL: (5 - 110) dBm
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hoLowerThresholdQualDL: 06h = 6.4% < BER < 12.8%
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hoLowerThresholdQualUL: 06h = 6.4% < BER < 12.8%
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hoThresholdLevDLintra : (20 - 110) dBm
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hoThresholdLevULintra: (20 - 110) dBm
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hoThresholdMsRangeMax: 20 km
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nCell: 06h
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timerHORequest: 3 ,unit 2 SACCH multiframes
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*/
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unsigned char msg_3[] =
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{
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NM_MT_BS11_SET_ATTR, NM_OC_BS11_HANDOVER, 0x00, 0xFF, 0xFF,
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0xD0, 0x00, /* enableDelayPowerBudgetHO */
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0x64, 0x00, /* enableDistanceHO */
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0x67, 0x00, /* enableInternalInterCellHandover */
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0x68, 0x00, /* enableInternalInterCellHandover */
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0x6A, 0x00, /* enablePowerBudgetHO */
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0x6C, 0x00, /* enableRXLEVHO */
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0x6D, 0x00, /* enableRXQUALHO */
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0x6F, 0x08, /* hoAveragingDistance */
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0x70, 0x08, 0x01, /* hoAveragingLev */
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0x71, 0x10, 0x10, 0x10,
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0x72, 0x08, 0x02, /* hoAveragingQual */
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0x73, 0x0A, /* hoLowerThresholdLevDL */
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0x74, 0x05, /* hoLowerThresholdLevUL */
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0x75, 0x06, /* hoLowerThresholdQualDL */
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0x76, 0x06, /* hoLowerThresholdQualUL */
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0x78, 0x14, /* hoThresholdLevDLintra */
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0x79, 0x14, /* hoThresholdLevULintra */
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0x7A, 0x14, /* hoThresholdMsRangeMax */
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0x7D, 0x06, /* nCell */
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NM_ATT_BS11_TIMER_HO_REQUEST, 0x03,
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0x20, 0x01, 0x00,
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0x45, 0x01, 0x00,
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0x48, 0x01, 0x00,
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0x5A, 0x01, 0x00,
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0x5B, 0x01, 0x05,
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0x5E, 0x01, 0x1A,
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0x5F, 0x01, 0x20,
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0x9D, 0x01, 0x00,
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0x47, 0x01, 0x00,
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0x5C, 0x01, 0x64,
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0x5D, 0x01, 0x1E,
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0x97, 0x01, 0x20,
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0xF7, 0x01, 0x3C,
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};
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// Power Control, SET ATTRIBUTES
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/*
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Object Class: Power Control
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BTS relat. Number: 0
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Instance 2: FF
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Instance 3: FF
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SET ATTRIBUTES
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enableMsPowerControl: 00h = Disabled
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enablePowerControlRLFW: 00h = Disabled
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pcAveragingLev:
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A_LEV_PC: 4 SACCH multiframes
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W_LEV_PC: 1 SACCH multiframes
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pcAveragingQual:
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A_QUAL_PC: 4 SACCH multiframes
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W_QUAL_PC: 2 SACCH multiframes
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pcLowerThresholdLevDL: 0Fh
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pcLowerThresholdLevUL: 0Ah
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pcLowerThresholdQualDL: 05h = 3.2% < BER < 6.4%
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pcLowerThresholdQualUL: 05h = 3.2% < BER < 6.4%
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pcRLFThreshold: 0Ch
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pcUpperThresholdLevDL: 14h
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pcUpperThresholdLevUL: 0Fh
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pcUpperThresholdQualDL: 04h = 1.6% < BER < 3.2%
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pcUpperThresholdQualUL: 04h = 1.6% < BER < 3.2%
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powerConfirm: 2 ,unit 2 SACCH multiframes
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powerControlInterval: 2 ,unit 2 SACCH multiframes
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powerIncrStepSize: 02h = 4 dB
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powerRedStepSize: 01h = 2 dB
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radioLinkTimeoutBs: 64 SACCH multiframes
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enableBSPowerControl: 00h = disabled
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*/
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unsigned char msg_4[] =
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{
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NM_MT_BS11_SET_ATTR, NM_OC_BS11_PWR_CTRL, 0x00, 0xFF, 0xFF,
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NM_ATT_BS11_ENA_MS_PWR_CTRL, 0x00,
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NM_ATT_BS11_ENA_PWR_CTRL_RLFW, 0x00,
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0x7E, 0x04, 0x01, /* pcAveragingLev */
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0x7F, 0x04, 0x02, /* pcAveragingQual */
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0x80, 0x0F, /* pcLowerThresholdLevDL */
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0x81, 0x0A, /* pcLowerThresholdLevUL */
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0x82, 0x05, /* pcLowerThresholdQualDL */
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0x83, 0x05, /* pcLowerThresholdQualUL */
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0x84, 0x0C, /* pcRLFThreshold */
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0x85, 0x14, /* pcUpperThresholdLevDL */
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0x86, 0x0F, /* pcUpperThresholdLevUL */
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0x87, 0x04, /* pcUpperThresholdQualDL */
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0x88, 0x04, /* pcUpperThresholdQualUL */
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0x89, 0x02, /* powerConfirm */
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0x8A, 0x02, /* powerConfirmInterval */
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0x8B, 0x02, /* powerIncrStepSize */
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0x8C, 0x01, /* powerRedStepSize */
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0x8D, 0x40, /* radioLinkTimeoutBs */
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0x65, 0x01, 0x00 // set to 0x01 to enable BSPowerControl
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};
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// Transceiver, SET TRX ATTRIBUTES (TRX 0)
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/*
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Object Class: Transceiver
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BTS relat. Number: 0
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Tranceiver number: 0
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Instance 3: FF
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SET TRX ATTRIBUTES
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aRFCNList (HEX): 0001
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txPwrMaxReduction: 00h = 30dB
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radioMeasGran: 254 SACCH multiframes
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radioMeasRep: 01h = enabled
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memberOfEmergencyConfig: 01h = TRUE
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trxArea: 00h = TRX doesn't belong to a concentric cell
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*/
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static unsigned char bs11_attr_radio[] =
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{
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NM_ATT_ARFCN_LIST, 0x01, 0x00, HARDCODED_ARFCN /*0x01*/,
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NM_ATT_RF_MAXPOWR_R, 0x00,
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NM_ATT_BS11_RADIO_MEAS_GRAN, 0x01, 0x05,
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NM_ATT_BS11_RADIO_MEAS_REP, 0x01, 0x01,
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NM_ATT_BS11_EMRG_CFG_MEMBER, 0x01, 0x01,
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NM_ATT_BS11_TRX_AREA, 0x01, 0x00,
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};
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static unsigned char nanobts_attr_bts[] = {
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NM_ATT_INTERF_BOUND, 0x55, 0x5b, 0x61, 0x67, 0x6d, 0x73,
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/* interference avg. period in numbers of SACCH multifr */
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NM_ATT_INTAVE_PARAM, 0x06,
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/* conn fail based on SACCH error rate */
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NM_ATT_CONN_FAIL_CRIT, 0x00, 0x02, 0x01, 0x10,
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NM_ATT_T200, 0x1e, 0x24, 0x24, 0xa8, 0x34, 0x21, 0xa8,
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NM_ATT_MAX_TA, 0x3f,
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NM_ATT_OVERL_PERIOD, 0x00, 0x01, 10, /* seconds */
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NM_ATT_CCCH_L_T, 10, /* percent */
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NM_ATT_CCCH_L_I_P, 1, /* seconds */
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NM_ATT_RACH_B_THRESH, 10, /* busy threshold in - dBm */
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NM_ATT_LDAVG_SLOTS, 0x03, 0xe8, /* rach load averaging 1000 slots */
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NM_ATT_BTS_AIR_TIMER, 128, /* miliseconds */
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NM_ATT_NY1, 10, /* 10 retransmissions of physical config */
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NM_ATT_BCCH_ARFCN, HARDCODED_ARFCN >> 8, HARDCODED_ARFCN & 0xff,
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NM_ATT_BSIC, HARDCODED_BSIC,
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};
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static unsigned char nanobts_attr_radio[] = {
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NM_ATT_RF_MAXPOWR_R, 0x0c, /* number of -2dB reduction steps / Pn */
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NM_ATT_ARFCN_LIST, 0x00, 0x02, HARDCODED_ARFCN >> 8, HARDCODED_ARFCN & 0xff,
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};
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/* Callback function to be called whenever we get a GSM 12.21 state change event */
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int nm_state_event(enum nm_evt evt, u_int8_t obj_class, void *obj,
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struct gsm_nm_state *old_state, struct gsm_nm_state *new_state)
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{
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struct gsm_bts *bts;
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struct gsm_bts_trx *trx;
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struct gsm_bts_trx_ts *ts;
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/* This event-driven BTS setup is currently only required on nanoBTS */
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/* EVT_STATECHG_ADM is called after we call chg_adm_state() and would create
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* endless loop */
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if (evt != EVT_STATECHG_OPER)
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return 0;
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switch (obj_class) {
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case NM_OC_SITE_MANAGER:
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bts = container_of(obj, struct gsm_bts, site_mgr);
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if ((new_state->operational == 2 &&
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new_state->availability == NM_AVSTATE_OK) ||
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(new_state->operational == 1 &&
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new_state->availability == NM_AVSTATE_OFF_LINE))
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abis_nm_opstart(bts, obj_class, 0xff, 0xff, 0xff);
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break;
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case NM_OC_BTS:
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bts = obj;
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if (new_state->availability == NM_AVSTATE_DEPENDENCY) {
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patch_nm_tables(bts);
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abis_nm_set_bts_attr(bts, nanobts_attr_bts,
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sizeof(nanobts_attr_bts));
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abis_nm_chg_adm_state(bts, obj_class,
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bts->bts_nr, 0xff, 0xff,
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NM_STATE_UNLOCKED);
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abis_nm_opstart(bts, obj_class,
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bts->bts_nr, 0xff, 0xff);
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}
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break;
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case NM_OC_CHANNEL:
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ts = obj;
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trx = ts->trx;
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if (new_state->operational == 1 &&
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new_state->availability == NM_AVSTATE_DEPENDENCY) {
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patch_nm_tables(trx->bts);
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enum abis_nm_chan_comb ccomb =
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abis_nm_chcomb4pchan(ts->pchan);
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abis_nm_set_channel_attr(ts, ccomb);
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abis_nm_chg_adm_state(trx->bts, obj_class,
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trx->bts->bts_nr, trx->nr, ts->nr,
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NM_STATE_UNLOCKED);
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abis_nm_opstart(trx->bts, obj_class,
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trx->bts->bts_nr, trx->nr, ts->nr);
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}
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break;
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case NM_OC_RADIO_CARRIER:
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trx = obj;
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if (new_state->operational == 1 &&
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new_state->availability == NM_AVSTATE_OK)
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abis_nm_opstart(trx->bts, obj_class, trx->bts->bts_nr,
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trx->nr, 0xff);
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break;
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default:
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break;
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}
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return 0;
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}
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/* Callback function to be called every time we receive a 12.21 SW activated report */
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static int sw_activ_rep(struct msgb *mb)
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{
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struct abis_om_fom_hdr *foh = msgb_l3(mb);
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struct gsm_bts *bts = mb->trx->bts;
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struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, foh->obj_inst.trx_nr);
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if (!trx)
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return -EINVAL;
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switch (foh->obj_class) {
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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));
|
|
}
|
|
#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) "
|
|
"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;
|
|
}
|