1230 lines
34 KiB
C
1230 lines
34 KiB
C
/* A hackish minimal BSC (+MSC +HLR) implementation */
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/* (C) 2008-2010 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 Affero General Public License as published by
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* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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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 <osmocom/vty/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 <openbsc/chan_alloc.h>
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#include <osmocore/talloc.h>
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#include <openbsc/ipaccess.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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NM_ATT_IPACC_CGI, 0, 7, 0x00, 0xf1, 0x10, 0x00, 0x01, 0x00, 0x00,
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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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static unsigned char nanobts_attr_nse[] = {
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NM_ATT_IPACC_NSEI, 0, 2, 0x03, 0x9d, /* NSEI 925 */
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NM_ATT_IPACC_NS_CFG, 0, 7, 3, /* (un)blocking timer (Tns-block) */
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3, /* (un)blocking retries */
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3, /* reset timer (Tns-reset) */
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3, /* reset retries */
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30, /* test timer (Tns-test) */
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3, /* alive timer (Tns-alive) */
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10, /* alive retrires */
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NM_ATT_IPACC_BSSGP_CFG, 0, 11,
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3, /* blockimg timer (T1) */
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3, /* blocking retries */
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3, /* unblocking retries */
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3, /* reset timer */
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3, /* reset retries */
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10, /* suspend timer (T3) in 100ms */
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3, /* suspend retries */
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10, /* resume timer (T4) in 100ms */
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3, /* resume retries */
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10, /* capability update timer (T5) */
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3, /* capability update retries */
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};
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static unsigned char nanobts_attr_cell[] = {
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NM_ATT_IPACC_RAC, 0, 1, 1, /* routing area code */
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NM_ATT_IPACC_GPRS_PAGING_CFG, 0, 2,
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5, /* repeat time (50ms) */
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3, /* repeat count */
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NM_ATT_IPACC_BVCI, 0, 2, 0x03, 0x9d, /* BVCI 925 */
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NM_ATT_IPACC_RLC_CFG, 0, 9,
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20, /* T3142 */
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5, /* T3169 */
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5, /* T3191 */
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200, /* T3193 */
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5, /* T3195 */
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10, /* N3101 */
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4, /* N3103 */
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8, /* N3105 */
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15, /* RLC CV countdown */
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NM_ATT_IPACC_CODING_SCHEMES, 0, 2, 0x0f, 0x00, /* CS1..CS4 */
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NM_ATT_IPACC_RLC_CFG_2, 0, 5,
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0x00, 250, /* T downlink TBF extension (0..500) */
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0x00, 250, /* T uplink TBF extension (0..500) */
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2, /* CS2 */
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#if 0
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/* EDGE model only, breaks older models.
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* Should inquire the BTS capabilities */
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NM_ATT_IPACC_RLC_CFG_3, 0, 1,
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2, /* MCS2 */
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#endif
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};
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static unsigned char nanobts_attr_nsvc0[] = {
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NM_ATT_IPACC_NSVCI, 0, 2, 0x03, 0x9d, /* 925 */
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NM_ATT_IPACC_NS_LINK_CFG, 0, 8,
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0x59, 0xd8, /* remote udp port (23000) */
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192, 168, 100, 11, /* remote ip address */
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0x59, 0xd8, /* local udp port (23000) */
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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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struct abis_om_obj_inst *obj_inst)
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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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struct gsm_bts_gprs_nsvc *nsvc;
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|
|
/* 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 == NM_OPSTATE_ENABLED &&
|
|
new_state->availability == NM_AVSTATE_OK) ||
|
|
(new_state->operational == NM_OPSTATE_DISABLED &&
|
|
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 == NM_OPSTATE_DISABLED &&
|
|
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 == NM_OPSTATE_DISABLED &&
|
|
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.mode == BTS_GPRS_NONE)
|
|
break;
|
|
if (new_state->availability == NM_AVSTATE_DEPENDENCY) {
|
|
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);
|
|
}
|
|
break;
|
|
case NM_OC_GPRS_CELL:
|
|
bts = container_of(obj, struct gsm_bts, gprs.cell);
|
|
if (bts->gprs.mode == BTS_GPRS_NONE)
|
|
break;
|
|
if (new_state->availability == NM_AVSTATE_DEPENDENCY) {
|
|
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);
|
|
abis_nm_chg_adm_state(bts, NM_OC_GPRS_NSE, bts->bts_nr,
|
|
0xff, 0xff, NM_STATE_UNLOCKED);
|
|
}
|
|
break;
|
|
case NM_OC_GPRS_NSVC:
|
|
nsvc = obj;
|
|
bts = nsvc->bts;
|
|
if (bts->gprs.mode == BTS_GPRS_NONE)
|
|
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(struct nm_nack_signal_data *nack)
|
|
{
|
|
int i;
|
|
|
|
if (nack->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);
|
|
} else {
|
|
LOGP(DNM, LOGL_ERROR, "Got a NACK going to drop the OML links.\n");
|
|
for (i = 0; i < bsc_gsmnet->num_bts; ++i) {
|
|
struct gsm_bts *bts = gsm_bts_num(bsc_gsmnet, i);
|
|
if (is_ipaccess_bts(bts))
|
|
ipaccess_drop_oml(bts);
|
|
}
|
|
}
|
|
|
|
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)
|
|
{
|
|
struct nm_nack_signal_data *nack;
|
|
u_int8_t *msg_type;
|
|
|
|
switch (signal) {
|
|
case S_NM_SW_ACTIV_REP:
|
|
return sw_activ_rep(signal_data);
|
|
case S_NM_NACK:
|
|
nack = signal_data;
|
|
return oml_msg_nack(nack);
|
|
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;
|
|
}
|
|
|
|
static int generate_and_rsl_si(struct gsm_bts_trx *trx, enum osmo_sysinfo_type i)
|
|
{
|
|
struct gsm_bts *bts = trx->bts;
|
|
int rc;
|
|
|
|
/* Only generate SI if this SI is not in "static" (user-defined) mode */
|
|
if (!(bts->si_mode_static & (1 << i))) {
|
|
rc = gsm_generate_si(bts, i);
|
|
if (rc < 0)
|
|
return rc;
|
|
}
|
|
|
|
DEBUGP(DRR, "SI%s: %s\n", gsm_sitype_name(i),
|
|
hexdump(GSM_BTS_SI(bts, i), GSM_MACBLOCK_LEN));
|
|
|
|
switch (i) {
|
|
case SYSINFO_TYPE_5:
|
|
case SYSINFO_TYPE_5bis:
|
|
case SYSINFO_TYPE_5ter:
|
|
case SYSINFO_TYPE_6:
|
|
rc = rsl_sacch_filling(trx, gsm_sitype2rsl(i),
|
|
GSM_BTS_SI(bts, i), rc);
|
|
break;
|
|
default:
|
|
rc = rsl_bcch_info(trx, gsm_sitype2rsl(i),
|
|
GSM_BTS_SI(bts, i), rc);
|
|
break;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
/* set all system information types */
|
|
static int set_system_infos(struct gsm_bts_trx *trx)
|
|
{
|
|
int i, rc;
|
|
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;
|
|
|
|
/* First, we determine which of the SI messages we actually need */
|
|
|
|
if (trx == bts->c0) {
|
|
/* 1...4 are always present on a C0 TRX */
|
|
for (i = SYSINFO_TYPE_1; i <= SYSINFO_TYPE_4; i++)
|
|
bts->si_valid |= (1 << i);
|
|
|
|
/* 13 is always present on a C0 TRX of a GPRS BTS */
|
|
if (bts->gprs.mode != BTS_GPRS_NONE)
|
|
bts->si_valid |= (1 << SYSINFO_TYPE_13);
|
|
}
|
|
|
|
/* 5 and 6 are always present on every TRX */
|
|
bts->si_valid |= (1 << SYSINFO_TYPE_5);
|
|
bts->si_valid |= (1 << SYSINFO_TYPE_6);
|
|
|
|
/* Second, we generate and send the selected SI via RSL */
|
|
for (i = SYSINFO_TYPE_1; i < _MAX_SYSINFO_TYPE; i++) {
|
|
if (!(bts->si_valid & (1 << i)))
|
|
continue;
|
|
|
|
rc = generate_and_rsl_si(trx, i);
|
|
if (rc < 0)
|
|
goto err_out;
|
|
}
|
|
|
|
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, bts->nr);
|
|
return rc;
|
|
}
|
|
|
|
static void patch_16(uint8_t *data, const uint16_t val)
|
|
{
|
|
memcpy(data, &val, sizeof(val));
|
|
}
|
|
|
|
static void patch_32(uint8_t *data, const uint32_t val)
|
|
{
|
|
memcpy(data, &val, sizeof(val));
|
|
}
|
|
|
|
/*
|
|
* 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 the RACH attributes */
|
|
if (bts->rach_b_thresh != -1) {
|
|
nanobts_attr_bts[33] = bts->rach_b_thresh & 0xff;
|
|
bs11_attr_bts[33] = bts->rach_b_thresh & 0xff;
|
|
}
|
|
|
|
if (bts->rach_ldavg_slots != -1) {
|
|
u_int8_t avg_high = bts->rach_ldavg_slots & 0xff;
|
|
u_int8_t avg_low = (bts->rach_ldavg_slots >> 8) & 0x0f;
|
|
|
|
nanobts_attr_bts[35] = avg_high;
|
|
nanobts_attr_bts[36] = avg_low;
|
|
bs11_attr_bts[35] = avg_high;
|
|
bs11_attr_bts[36] = avg_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;
|
|
memcpy(nanobts_attr_nse+8, bts->gprs.nse.timer,
|
|
ARRAY_SIZE(bts->gprs.nse.timer));
|
|
memcpy(nanobts_attr_nse+18, bts->gprs.cell.timer,
|
|
ARRAY_SIZE(bts->gprs.cell.timer));
|
|
|
|
/* 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 */
|
|
patch_16(nanobts_attr_nsvc0 + 8,
|
|
htons(bts->gprs.nsvc[0].remote_port));
|
|
patch_32(nanobts_attr_nsvc0 + 10,
|
|
htonl(bts->gprs.nsvc[0].remote_ip));
|
|
patch_16(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;
|
|
|
|
if (bts->gprs.mode == BTS_GPRS_EGPRS) {
|
|
/* patch EGPRS coding schemes MCS 1..9 */
|
|
nanobts_attr_cell[29] = 0x8f;
|
|
nanobts_attr_cell[30] = 0xff;
|
|
}
|
|
}
|
|
|
|
/* Produce a MA as specified in 10.5.2.21 */
|
|
static int generate_ma_for_ts(struct gsm_bts_trx_ts *ts)
|
|
{
|
|
/* we have three bitvecs: the per-timeslot ARFCNs, the cell chan ARFCNs
|
|
* and the MA */
|
|
struct bitvec *cell_chan = &ts->trx->bts->si_common.cell_alloc;
|
|
struct bitvec *ts_arfcn = &ts->hopping.arfcns;
|
|
struct bitvec *ma = &ts->hopping.ma;
|
|
unsigned int num_cell_arfcns, bitnum, n_chan;
|
|
int i;
|
|
|
|
/* re-set the MA to all-zero */
|
|
ma->cur_bit = 0;
|
|
ts->hopping.ma_len = 0;
|
|
memset(ma->data, 0, ma->data_len);
|
|
|
|
if (!ts->hopping.enabled)
|
|
return 0;
|
|
|
|
/* count the number of ARFCNs in the cell channel allocation */
|
|
num_cell_arfcns = 0;
|
|
for (i = 1; i < 1024; i++) {
|
|
if (bitvec_get_bit_pos(cell_chan, i))
|
|
num_cell_arfcns++;
|
|
}
|
|
|
|
/* pad it to octet-aligned number of bits */
|
|
ts->hopping.ma_len = num_cell_arfcns / 8;
|
|
if (num_cell_arfcns % 8)
|
|
ts->hopping.ma_len++;
|
|
|
|
n_chan = 0;
|
|
for (i = 1; i < 1024; i++) {
|
|
if (!bitvec_get_bit_pos(cell_chan, i))
|
|
continue;
|
|
/* set the corresponding bit in the MA */
|
|
bitnum = (ts->hopping.ma_len * 8) - 1 - n_chan;
|
|
if (bitvec_get_bit_pos(ts_arfcn, i))
|
|
bitvec_set_bit_pos(ma, bitnum, 1);
|
|
else
|
|
bitvec_set_bit_pos(ma, bitnum, 0);
|
|
n_chan++;
|
|
}
|
|
|
|
/* ARFCN 0 is special: It is coded last in the bitmask */
|
|
if (bitvec_get_bit_pos(cell_chan, 0)) {
|
|
n_chan++;
|
|
/* set the corresponding bit in the MA */
|
|
bitnum = (ts->hopping.ma_len * 8) - 1 - n_chan;
|
|
if (bitvec_get_bit_pos(ts_arfcn, 0))
|
|
bitvec_set_bit_pos(ma, bitnum, 1);
|
|
else
|
|
bitvec_set_bit_pos(ma, bitnum, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void bootstrap_rsl(struct gsm_bts_trx *trx)
|
|
{
|
|
unsigned int i;
|
|
|
|
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);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(trx->ts); i++)
|
|
generate_ma_for_ts(&trx->ts[i]);
|
|
}
|
|
|
|
void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
|
|
{
|
|
int ts_no, lchan_no;
|
|
|
|
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_ERROR, "Lost some E1 TEI link: %d %p\n", type, trx);
|
|
|
|
if (type == E1INP_SIGN_OML)
|
|
counter_inc(trx->bts->network->stats.bts.oml_fail);
|
|
else if (type == E1INP_SIGN_RSL)
|
|
counter_inc(trx->bts->network->stats.bts.rsl_fail);
|
|
|
|
/*
|
|
* free all allocated channels. change the nm_state so the
|
|
* trx and trx_ts becomes unusable and chan_alloc.c can not
|
|
* allocate from it.
|
|
*/
|
|
for (ts_no = 0; ts_no < ARRAY_SIZE(trx->ts); ++ts_no) {
|
|
struct gsm_bts_trx_ts *ts = &trx->ts[ts_no];
|
|
|
|
for (lchan_no = 0; lchan_no < ARRAY_SIZE(ts->lchan); ++lchan_no) {
|
|
if (ts->lchan[lchan_no].state != LCHAN_S_NONE)
|
|
lchan_free(&ts->lchan[lchan_no]);
|
|
lchan_reset(&ts->lchan[lchan_no]);
|
|
}
|
|
|
|
ts->nm_state.operational = 0;
|
|
ts->nm_state.availability = 0;
|
|
}
|
|
|
|
trx->nm_state.operational = 0;
|
|
trx->nm_state.availability = 0;
|
|
trx->bb_transc.nm_state.operational = 0;
|
|
trx->bb_transc.nm_state.availability = 0;
|
|
|
|
abis_nm_clear_queue(trx->bts);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int bootstrap_bts(struct gsm_bts *bts)
|
|
{
|
|
int i, n;
|
|
|
|
/* FIXME: What about secondary TRX of a BTS? What about a BTS that has TRX
|
|
* in different bands? Why is 'band' a parameter of the BTS and not of the TRX? */
|
|
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;
|
|
case GSM_BAND_850:
|
|
if (bts->c0->arfcn < 128 || bts->c0->arfcn > 251) {
|
|
LOGP(DNM, LOGL_ERROR, "GSM850 channel must be between 128-251.\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.bs_pa_mfrms = RSL_BS_PA_MFRMS_5;
|
|
/* T3212 is set from vty/config */
|
|
|
|
/* Set ccch config by looking at ts config */
|
|
for (n=0, i=0; i<8; i++)
|
|
n += bts->c0->ts[i].pchan == GSM_PCHAN_CCCH ? 1 : 0;
|
|
|
|
switch (n) {
|
|
case 0:
|
|
bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_1_C;
|
|
break;
|
|
case 1:
|
|
bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_1_NC;
|
|
break;
|
|
case 2:
|
|
bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_2_NC;
|
|
break;
|
|
case 3:
|
|
bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_3_NC;
|
|
break;
|
|
case 4:
|
|
bts->si_common.chan_desc.ccch_conf = RSL_BCCH_CCCH_CONF_4_NC;
|
|
break;
|
|
default:
|
|
LOGP(DNM, LOGL_ERROR, "Unsupported CCCH timeslot configuration\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* some defaults for our system information */
|
|
bts->si_common.cell_options.radio_link_timeout = 7; /* 12 */
|
|
|
|
/* allow/disallow DTXu */
|
|
if (bts->network->dtx_enabled)
|
|
bts->si_common.cell_options.dtx = 0;
|
|
else
|
|
bts->si_common.cell_options.dtx = 2;
|
|
|
|
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 telnet_connection dummy_conn;
|
|
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");
|
|
|
|
/* our vty command code expects vty->priv to point to a telnet_connection */
|
|
dummy_conn.priv = bsc_gsmnet;
|
|
rc = vty_read_config_file(config_file, &dummy_conn);
|
|
if (rc < 0) {
|
|
LOGP(DNM, LOGL_FATAL, "Failed to parse the config file: '%s'\n", config_file);
|
|
return rc;
|
|
}
|
|
|
|
rc = telnet_init(tall_bsc_ctx, bsc_gsmnet, 4242);
|
|
if (rc < 0)
|
|
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;
|
|
}
|