diff options
Diffstat (limited to 'src/osmo-bts-oc2g/main.c')
| -rw-r--r-- | src/osmo-bts-oc2g/main.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/src/osmo-bts-oc2g/main.c b/src/osmo-bts-oc2g/main.c new file mode 100644 index 00000000..9777c092 --- /dev/null +++ b/src/osmo-bts-oc2g/main.c @@ -0,0 +1,240 @@ +/* Main program for NuRAN Wireless OC-2G BTS */ + +/* Copyright (C) 2015 by Yves Godin <support@nuranwireless.com> + * Copyright (C) 2016 by Harald Welte <laforge@gnumonks.org> + * + * Based on sysmoBTS: + * (C) 2011-2013 by Harald Welte <laforge@gnumonks.org> + * + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +#include <stdint.h> +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> +#include <getopt.h> +#include <limits.h> +#include <sys/signal.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sched.h> + +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <osmocom/core/talloc.h> +#include <osmocom/core/application.h> +#include <osmocom/vty/telnet_interface.h> +#include <osmocom/vty/logging.h> +#include <osmocom/vty/ports.h> + +#include <osmo-bts/gsm_data.h> +#include <osmo-bts/logging.h> +#include <osmo-bts/bts.h> +#include <osmo-bts/vty.h> +#include <osmo-bts/bts_model.h> +#include <osmo-bts/pcu_if.h> +#include <osmo-bts/l1sap.h> + +static int write_status_file(char *status_file, char *status_str) +{ + FILE *outf; + char tmp[PATH_MAX+1]; + + snprintf(tmp, sizeof(tmp)-1, "/var/run/osmo-bts/%s", status_file); + tmp[PATH_MAX-1] = '\0'; + + outf = fopen(tmp, "w"); + if (!outf) + return -1; + + fprintf(outf, "%s\n", status_str); + + fclose(outf); + + return 0; +} + +/*NTQD: Change how rx_nr is handle in multi-trx*/ +#define OC2GBTS_RF_LOCK_PATH "/var/lock/bts_rf_lock" + +#include "utils.h" +#include "l1_if.h" +#include "hw_misc.h" +#include "oml_router.h" +#include "misc/oc2gbts_bid.h" + +unsigned int dsp_trace = 0x00000000; + +int bts_model_init(struct gsm_bts *bts) +{ + struct gsm_bts_trx *trx; + struct stat st; + static struct osmo_fd accept_fd, read_fd; + int rc; + + bts->variant = BTS_OSMO_OC2G; + bts->support.ciphers = CIPHER_A5(1) | CIPHER_A5(2) | CIPHER_A5(3); + /* specific default values for OC2G platform */ + + /* TODO(oramadan) MERGE + bts->oc2g.led_ctrl_mode = OC2G_BTS_LED_CTRL_MODE_DEFAULT; + /* RTP drift threshold default * / + bts->oc2g.rtp_drift_thres_ms = OC2G_BTS_RTP_DRIFT_THRES_DEFAULT; + */ + + rc = oml_router_init(bts, OML_ROUTER_PATH, &accept_fd, &read_fd); + if (rc < 0) { + fprintf(stderr, "Error creating the OML router: %s rc=%d\n", + OML_ROUTER_PATH, rc); + exit(1); + } + + llist_for_each_entry(trx, &bts->trx_list, list) { + trx->nominal_power = 40; + trx->power_params.trx_p_max_out_mdBm = to_mdB(bts->c0->nominal_power); + } + + if (stat(OC2GBTS_RF_LOCK_PATH, &st) == 0) { + LOGP(DL1C, LOGL_NOTICE, "Not starting BTS due to RF_LOCK file present\n"); + exit(23); + } + + gsm_bts_set_feature(bts, BTS_FEAT_GPRS); + gsm_bts_set_feature(bts, BTS_FEAT_EGPRS); + gsm_bts_set_feature(bts, BTS_FEAT_OML_ALERTS); + gsm_bts_set_feature(bts, BTS_FEAT_AGCH_PCH_PROP); + gsm_bts_set_feature(bts, BTS_FEAT_SPEECH_F_V1); + gsm_bts_set_feature(bts, BTS_FEAT_SPEECH_H_V1); + gsm_bts_set_feature(bts, BTS_FEAT_SPEECH_F_EFR); + gsm_bts_set_feature(bts, BTS_FEAT_SPEECH_F_AMR); + gsm_bts_set_feature(bts, BTS_FEAT_SPEECH_H_AMR); + + bts_model_vty_init(bts); + + return 0; +} + +void bts_model_phy_link_set_defaults(struct phy_link *plink) +{ +} + +void bts_model_phy_instance_set_defaults(struct phy_instance *pinst) +{ +} + +int bts_model_oml_estab(struct gsm_bts *bts) +{ + /* update status file */ + write_status_file("state", ""); + + return 0; +} + +void bts_update_status(enum bts_global_status which, int on) +{ + static uint64_t states = 0; + uint64_t old_states = states; + int led_rf_active_on; + + if (on) + states |= (1ULL << which); + else + states &= ~(1ULL << which); + + led_rf_active_on = + (states & (1ULL << BTS_STATUS_RF_ACTIVE)) && + !(states & (1ULL << BTS_STATUS_RF_MUTE)); + + LOGP(DL1C, LOGL_INFO, + "Set global status #%d to %d (%04llx -> %04llx), LEDs: ACT %d\n", + which, on, + (long long)old_states, (long long)states, + led_rf_active_on); + + oc2gbts_led_set(led_rf_active_on ? LED_GREEN : LED_OFF); +} + +void bts_model_print_help() +{ + printf( " -w --hw-version Print the targeted HW Version\n" + " -M --pcu-direct Force PCU to access message queue for PDCH dchannel directly\n" + " -p --dsp-trace Set DSP trace flags\n" + ); +} + +static void print_hwversion() +{ + printf(get_hwversion_desc()); + printf("\n"); +} + +int bts_model_handle_options(int argc, char **argv) +{ + int num_errors = 0; + + while (1) { + int option_idx = 0, c; + static const struct option long_options[] = { + { "dsp-trace", 1, 0, 'p' }, + { "hw-version", 0, 0, 'w' }, + { "pcu-direct", 0, 0, 'M' }, + { 0, 0, 0, 0 } + }; + + c = getopt_long(argc, argv, "p:wM", + long_options, &option_idx); + if (c == -1) + break; + + switch (c) { + case 'p': + dsp_trace = strtoul(optarg, NULL, 16); + break; + case 'M': + pcu_direct = 1; + break; + case 'w': + print_hwversion(); + exit(0); + break; + default: + num_errors++; + break; + } + } + + return num_errors; +} + +void bts_model_abis_close(struct gsm_bts *bts) +{ + /* write to status file */ + write_status_file("state", "ABIS DOWN"); + + /* for now, we simply terminate the program and re-spawn */ + bts_shutdown(bts, "Abis close"); +} + +int main(int argc, char **argv) +{ + /* create status file with initial state */ + write_status_file("state", "ABIS DOWN"); + + return bts_main(argc, argv); +} |