230 lines
5.5 KiB
C
230 lines
5.5 KiB
C
/* Main program for NuRAN Wireless OC-2G BTS */
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/* Copyright (C) 2015 by Yves Godin <support@nuranwireless.com>
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* Copyright (C) 2016 by Harald Welte <laforge@gnumonks.org>
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*
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* Based on sysmoBTS:
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* (C) 2011-2013 by Harald Welte <laforge@gnumonks.org>
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*
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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 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 <stdint.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <getopt.h>
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#include <limits.h>
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#include <sys/signal.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sched.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/application.h>
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#include <osmocom/vty/telnet_interface.h>
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#include <osmocom/vty/logging.h>
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#include <osmocom/vty/ports.h>
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#include <osmo-bts/gsm_data.h>
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#include <osmo-bts/logging.h>
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#include <osmo-bts/bts.h>
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#include <osmo-bts/vty.h>
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#include <osmo-bts/bts_model.h>
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#include <osmo-bts/pcu_if.h>
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#include <osmo-bts/l1sap.h>
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static int write_status_file(char *status_file, char *status_str)
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{
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FILE *outf;
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char tmp[PATH_MAX+1];
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snprintf(tmp, sizeof(tmp)-1, "/var/run/osmo-bts/%s", status_file);
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tmp[PATH_MAX-1] = '\0';
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outf = fopen(tmp, "w");
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if (!outf)
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return -1;
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fprintf(outf, "%s\n", status_str);
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fclose(outf);
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return 0;
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}
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/*NTQD: Change how rx_nr is handle in multi-trx*/
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#define OC2GBTS_RF_LOCK_PATH "/var/lock/bts_rf_lock"
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#include "utils.h"
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#include "l1_if.h"
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#include "hw_misc.h"
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#include "misc/oc2gbts_bid.h"
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unsigned int dsp_trace = 0x00000000;
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int bts_model_init(struct gsm_bts *bts)
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{
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struct stat st;
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struct bts_oc2g_priv *bts_oc2g = talloc(bts, struct bts_oc2g_priv);
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bts->model_priv = bts_oc2g;
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bts->variant = BTS_OSMO_OC2G;
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bts->support.ciphers = CIPHER_A5(1) | CIPHER_A5(2) | CIPHER_A5(3);
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/* specific default values for OC2G platform */
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/* TODO(oramadan) MERGE
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bts_oc2g->led_ctrl_mode = OC2G_BTS_LED_CTRL_MODE_DEFAULT;
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*/
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/* RTP drift threshold default */
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/* bts_oc2g->rtp_drift_thres_ms = OC2G_BTS_RTP_DRIFT_THRES_DEFAULT; */
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if (stat(OC2GBTS_RF_LOCK_PATH, &st) == 0) {
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LOGP(DL1C, LOGL_NOTICE, "Not starting BTS due to RF_LOCK file present\n");
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exit(23);
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}
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/* order alphabetically */
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osmo_bts_set_feature(bts->features, BTS_FEAT_AGCH_PCH_PROP);
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osmo_bts_set_feature(bts->features, BTS_FEAT_EGPRS);
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osmo_bts_set_feature(bts->features, BTS_FEAT_GPRS);
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osmo_bts_set_feature(bts->features, BTS_FEAT_OML_ALERTS);
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osmo_bts_set_feature(bts->features, BTS_FEAT_SPEECH_F_AMR);
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osmo_bts_set_feature(bts->features, BTS_FEAT_SPEECH_F_EFR);
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osmo_bts_set_feature(bts->features, BTS_FEAT_SPEECH_F_V1);
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osmo_bts_set_feature(bts->features, BTS_FEAT_SPEECH_H_AMR);
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osmo_bts_set_feature(bts->features, BTS_FEAT_SPEECH_H_V1);
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bts_internal_flag_set(bts, BTS_INTERNAL_FLAG_MS_PWR_CTRL_DSP);
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bts_internal_flag_set(bts, BTS_INTERNAL_FLAG_NM_RCHANNEL_DEPENDS_RCARRIER);
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return 0;
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}
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int bts_model_trx_init(struct gsm_bts_trx *trx)
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{
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trx->nominal_power = 25;
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trx->power_params.trx_p_max_out_mdBm = to_mdB(trx->bts->c0->nominal_power);
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return 0;
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}
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void bts_model_phy_link_set_defaults(struct phy_link *plink)
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{
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}
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void bts_model_phy_instance_set_defaults(struct phy_instance *pinst)
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{
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}
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int bts_model_oml_estab(struct gsm_bts *bts)
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{
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/* update status file */
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write_status_file("state", "");
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return 0;
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}
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void bts_update_status(enum bts_global_status which, int on)
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{
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static uint64_t states = 0;
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uint64_t old_states = states;
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if (on)
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states |= (1ULL << which);
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else
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states &= ~(1ULL << which);
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LOGP(DL1C, LOGL_INFO,
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"Set global status #%d to %d (%04llx -> %04llx)\n",
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which, on,
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(long long)old_states, (long long)states);
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}
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void bts_model_print_help()
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{
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printf( "\nModel specific options:\n"
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" -w --hw-version Print the targeted HW Version\n"
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" -M --pcu-direct Force PCU to access message queue for "
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"PDCH dchannel directly\n"
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" -p --dsp-trace Set DSP trace flags\n"
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);
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}
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static void print_hwversion()
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{
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printf(get_hwversion_desc());
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printf("\n");
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}
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int bts_model_handle_options(int argc, char **argv)
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{
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int num_errors = 0;
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while (1) {
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int option_idx = 0, c;
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static const struct option long_options[] = {
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{ "dsp-trace", 1, 0, 'p' },
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{ "hw-version", 0, 0, 'w' },
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{ "pcu-direct", 0, 0, 'M' },
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{ 0, 0, 0, 0 }
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};
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c = getopt_long(argc, argv, "p:wM",
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long_options, &option_idx);
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if (c == -1)
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break;
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switch (c) {
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case 'p':
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dsp_trace = strtoul(optarg, NULL, 16);
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break;
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case 'M':
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pcu_direct = 1;
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break;
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case 'w':
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print_hwversion();
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exit(0);
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break;
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default:
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num_errors++;
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break;
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}
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}
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return num_errors;
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}
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void bts_model_abis_close(struct gsm_bts *bts)
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{
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/* write to status file */
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write_status_file("state", "ABIS DOWN");
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/* for now, we simply terminate the program and re-spawn */
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bts_shutdown(bts, "Abis close");
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}
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int main(int argc, char **argv)
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{
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/* create status file with initial state */
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write_status_file("state", "ABIS DOWN");
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return bts_main(argc, argv);
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}
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