From 1dcb97eaa355e0dbd1d85e5c8a6243ab2d58609f Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Wed, 20 Jan 2016 17:48:42 +0100 Subject: LC15: port litecell 1.5 support to recent osmo-bts master This includes changes required for * shared main() function accross all BTS models * use of the new phy_link / phy_instance infrastructure as the basis for true multi-TRX operation --- src/osmo-bts-litecell15/main.c | 290 +++++------------------------------------ 1 file changed, 34 insertions(+), 256 deletions(-) (limited to 'src/osmo-bts-litecell15/main.c') diff --git a/src/osmo-bts-litecell15/main.c b/src/osmo-bts-litecell15/main.c index 6e8ca0d5..08513256 100644 --- a/src/osmo-bts-litecell15/main.c +++ b/src/osmo-bts-litecell15/main.c @@ -1,6 +1,7 @@ /* Main program for NuRAN Wireless Litecell 1.5 BTS */ /* Copyright (C) 2015 by Yves Godin + * Copyright (C) 2016 by Harald Welte * * Based on sysmoBTS: * (C) 2011-2013 by Harald Welte @@ -41,22 +42,16 @@ #include #include #include -#include -#include #include #include -#include #include #include #include -#include -#include #include /*NTQD: Change how rx_nr is handle in multi-trx*/ -#define LC15BTS_RF_LOCK_PATH(NR) ((((NR))==1) ? "/var/lock/bts_rf_lock1" : "/var/lock/bts_rf_lock2") -#define LC15BTS_PID_FILE(NR) ((((NR))==1) ? "osmo-bts1" : "osmo-bts2") +#define LC15BTS_RF_LOCK_PATH "/var/lock/bts_rf_lock" #include "utils.h" #include "l1_if.h" @@ -64,37 +59,33 @@ #include "oml_router.h" #include "misc/lc15bts_bid.h" -int pcu_direct = 0; - -static const char *config_file = "lc15bts.cfg"; -static int daemonize = 0; +extern int pcu_direct; static unsigned int dsp_trace = 0x00000000; -static int rt_prio = -1; -static char *gsmtap_ip = 0; -static int trx_nr = 1; int bts_model_init(struct gsm_bts *bts) { - struct lc15l1_hdl *fl1h; + struct gsm_bts_role_bts *btsb; + struct stat st; + static struct osmo_fd accept_fd, read_fd; int rc; - fl1h = l1if_open(bts->c0, trx_nr); - if (!fl1h) { - LOGP(DL1C, LOGL_FATAL, "Cannot open L1 Interface\n"); - return -EIO; + btsb = bts_role_bts(bts); + btsb->support.ciphers = CIPHER_A5(1) | CIPHER_A5(2) | CIPHER_A5(3); + + 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); } - fl1h->dsp_trace_f = dsp_trace; - bts->c0->role_bts.l1h = fl1h; + bts->c0->nominal_power = 37; + bts->c0->power_params.trx_p_max_out_mdBm = to_mdB(bts->c0->nominal_power); - rc = lc15bts_get_nominal_power(bts->c0); - if (rc < 0) { - LOGP(DL1C, LOGL_NOTICE, "Cannot determine nominal " - "transmit power. Assuming 37dBm.\n"); - rc = 37; + if (stat(LC15BTS_RF_LOCK_PATH, &st) == 0) { + LOGP(DL1C, LOGL_NOTICE, "Not starting BTS due to RF_LOCK file present\n"); + exit(23); } - bts->c0->nominal_power = rc; - bts->c0->power_params.trx_p_max_out_mdBm = to_mdB(rc); bts_model_vty_init(bts); @@ -134,24 +125,12 @@ void bts_update_status(enum bts_global_status which, int on) lc15bts_led_set(led_rf_active_on ? LED_GREEN : LED_OFF); } -static void print_help() +void bts_model_print_help() { - printf( "Some useful options:\n" - " -h --help this text\n" - " -d --debug MASK Enable debugging (e.g. -d DRSL:DOML:DLAPDM)\n" - " -D --daemonize For the process into a background daemon\n" - " -c --config-file Specify the filename of the config file\n" - " -s --disable-color Don't use colors in stderr log output\n" - " -T --timestamp Prefix every log line with a timestamp\n" - " -V --version Print version information and exit\n" - " -e --log-level Set a global log-level\n" - " -p --dsp-trace Set DSP trace flags\n" - " -r --realtime PRIO Use SCHED_RR with the specified priority\n" + printf( " -p --dsp-trace Set DSP trace flags\n" " -w --hw-version Print the targeted HW Version\n" " -M --pcu-direct Force PCU to access message queue for " "PDCH dchannel directly\n" - " -i --gsmtap-ip The destination IP used for GSMTAP.\n" - " -n --hw-trx-nr Hardware TRX number <1-2>\n" ); } @@ -178,254 +157,53 @@ static void print_hwversion() printf(model_name); } -/* FIXME: finally get some option parsing code into libosmocore */ -static void handle_options(int argc, char **argv) +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[] = { /* FIXME: all those are generic Osmocom app options */ - { "help", 0, 0, 'h' }, - { "debug", 1, 0, 'd' }, - { "daemonize", 0, 0, 'D' }, - { "config-file", 1, 0, 'c' }, - { "disable-color", 0, 0, 's' }, - { "timestamp", 0, 0, 'T' }, - { "version", 0, 0, 'V' }, - { "log-level", 1, 0, 'e' }, { "dsp-trace", 1, 0, 'p' }, { "hw-version", 0, 0, 'w' }, { "pcu-direct", 0, 0, 'M' }, - { "realtime", 1, 0, 'r' }, - { "gsmtap-ip", 1, 0, 'i' }, - { "hw-trx-nr", 1, 0, 'n' }, { 0, 0, 0, 0 } }; - c = getopt_long(argc, argv, "hc:d:Dc:sTVe:p:w:Mr:n:", + c = getopt_long(argc, argv, "p:wM", long_options, &option_idx); if (c == -1) break; switch (c) { - case 'h': - print_help(); - exit(0); - break; - case 's': - log_set_use_color(osmo_stderr_target, 0); - break; - case 'd': - log_parse_category_mask(osmo_stderr_target, optarg); - break; - case 'D': - daemonize = 1; - break; - case 'c': - config_file = optarg; - break; - case 'T': - log_set_print_timestamp(osmo_stderr_target, 1); + case 'p': + dsp_trace = strtoul(optarg, NULL, 16); +#warning use dsp_trace!!! break; case 'M': pcu_direct = 1; break; - case 'V': - print_version(1); - exit(0); - break; - case 'e': - log_set_log_level(osmo_stderr_target, atoi(optarg)); - break; - case 'p': - dsp_trace = strtoul(optarg, NULL, 16); - break; case 'w': print_hwversion(); exit(0); break; - case 'r': - rt_prio = atoi(optarg); - break; - case 'i': - gsmtap_ip = optarg; - break; - case 'n': - trx_nr = atoi(optarg); - break; default: + num_errors++; break; } } -} - -static struct gsm_bts *bts; -static void signal_handler(int signal) -{ - fprintf(stderr, "signal %u received\n", signal); - - switch (signal) { - case SIGINT: - //osmo_signal_dispatch(SS_GLOBAL, S_GLOBAL_SHUTDOWN, NULL); - bts_shutdown(bts, "SIGINT"); - break; - case SIGABRT: - case SIGUSR1: - case SIGUSR2: - talloc_report_full(tall_bts_ctx, stderr); - break; - default: - break; - } + return num_errors; } -static int write_pid_file(char *procname) +void bts_model_abis_close(struct gsm_bts *bts) { - FILE *outf; - char tmp[PATH_MAX+1]; - - snprintf(tmp, sizeof(tmp)-1, "/var/run/%s.pid", procname); - tmp[PATH_MAX-1] = '\0'; - - outf = fopen(tmp, "w"); - if (!outf) - return -1; - - fprintf(outf, "%d\n", getpid()); - - fclose(outf); - - return 0; + /* for now, we simply terminate the program and re-spawn */ + bts_shutdown(bts, "Abis close"); } -extern int lc15bts_ctrlif_inst_cmds(void); - int main(int argc, char **argv) { - struct stat st; - struct sched_param param; - struct gsm_bts_role_bts *btsb; - struct e1inp_line *line; - void *tall_msgb_ctx; - struct osmo_fd accept_fd, read_fd; - int vty_port; - int rc; - - - tall_bts_ctx = talloc_named_const(NULL, 1, "lc15BTS context"); - tall_msgb_ctx = talloc_pool(tall_bts_ctx, 100*1024); - msgb_set_talloc_ctx(tall_msgb_ctx); - - bts_log_init(NULL); - - bts = gsm_bts_alloc(tall_bts_ctx); - vty_init(&bts_vty_info); - e1inp_vty_init(); - bts_vty_init(bts, &bts_log_info); - - handle_options(argc, argv); - - /* enable realtime priority for us */ - if (rt_prio != -1) { - memset(¶m, 0, sizeof(param)); - param.sched_priority = rt_prio; - rc = sched_setscheduler(getpid(), SCHED_RR, ¶m); - if (rc != 0) { - fprintf(stderr, "Setting SCHED_RR priority(%d) failed: %s\n", - param.sched_priority, strerror(errno)); - exit(1); - } - } - - if (gsmtap_ip) { - gsmtap = gsmtap_source_init(gsmtap_ip, GSMTAP_UDP_PORT, 1); - if (!gsmtap) { - fprintf(stderr, "Failed during gsmtap_init()\n"); - exit(1); - } - gsmtap_source_add_sink(gsmtap); - } - - if (bts_init(bts) < 0) { - fprintf(stderr, "unable to open bts\n"); - exit(1); - } - btsb = bts_role_bts(bts); - btsb->support.ciphers = CIPHER_A5(1) | CIPHER_A5(2) | CIPHER_A5(3); - - abis_init(bts); - - rc = vty_read_config_file(config_file, NULL); - if (rc < 0) { - fprintf(stderr, "Failed to parse the config file: '%s'\n", - config_file); - exit(1); - } - - if (stat(LC15BTS_RF_LOCK_PATH(trx_nr), &st) == 0) { - LOGP(DL1C, LOGL_NOTICE, "Not starting BTS due to RF_LOCK file present\n"); - exit(23); - } - write_pid_file(LC15BTS_PID_FILE(trx_nr)); - - bts_controlif_setup(bts); - - vty_port = (trx_nr == 1) ? OSMO_VTY_PORT_BTS : (OSMO_VTY_PORT_BTS + 1000); - rc = telnet_init(tall_bts_ctx, NULL, vty_port); - if (rc < 0) { - fprintf(stderr, "Error initializing telnet\n"); - exit(1); - } - - /* NTQD: For testing, we only support PCU on the first TRX */ - if (trx_nr == 1) { - if (pcu_sock_init()) { - fprintf(stderr, "PCU L1 socket failed\n"); - exit(1); - } - } - - signal(SIGINT, &signal_handler); - //signal(SIGABRT, &signal_handler); - signal(SIGUSR1, &signal_handler); - signal(SIGUSR2, &signal_handler); - osmo_init_ignore_signals(); - - 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); - } - - if (!btsb->bsc_oml_host) { - fprintf(stderr, "Cannot start BTS without knowing BSC OML IP\n"); - exit(1); - } - - line = abis_open(bts, btsb->bsc_oml_host, "lc15BTS"); - if (!line) { - fprintf(stderr, "unable to connect to BSC\n"); - exit(2); - } - - if (daemonize) { - rc = osmo_daemonize(); - if (rc < 0) { - perror("Error during daemonize"); - exit(1); - } - } - - while (1) { - log_reset_context(); - osmo_select_main(0); - } -} - -void bts_model_abis_close(struct gsm_bts *bts) -{ - /* for now, we simply terminate the program and re-spawn */ - bts_shutdown(bts, "Abis close"); + return bts_main(argc, argv); } -- cgit v1.2.3