move openbsc/* to repos root

This is the first step in creating this repository from the legacy openbsc.git.

Like all other Osmocom repositories, keep the autoconf and automake files in
the repository root. openbsc.git has been the sole exception, which ends now.

Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7

1 files changed, 0 insertions, 552 deletions

diff --git a/openbsc/src/libbsc/bsc_init.c b/openbsc/src/libbsc/bsc_init.c
deleted file mode 100644
index ec87a7bc7..000000000
--- a/openbsc/src/libbsc/bsc_init.c
+++ /dev/null
@@ -1,552 +0,0 @@
-/* A hackish minimal BSC (+MSC +HLR) implementation */
-
-/* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org>
- * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.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 Affero 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 <openbsc/gsm_data.h>
-#include <osmocom/gsm/gsm_utils.h>
-#include <openbsc/gsm_04_08.h>
-#include <openbsc/abis_rsl.h>
-#include <openbsc/abis_nm.h>
-#include <openbsc/debug.h>
-#include <openbsc/misdn.h>
-#include <osmocom/vty/telnet_interface.h>
-#include <osmocom/vty/ports.h>
-#include <openbsc/system_information.h>
-#include <openbsc/paging.h>
-#include <openbsc/signal.h>
-#include <openbsc/chan_alloc.h>
-#include <osmocom/core/talloc.h>
-#include <openbsc/ipaccess.h>
-#include <osmocom/gsm/sysinfo.h>
-#include <openbsc/e1_config.h>
-#include <openbsc/common_bsc.h>
-#include <openbsc/pcu_if.h>
-#include <limits.h>
-
-/* global pointer to the gsm network data structure */
-extern struct gsm_network *bsc_gsmnet;
-
-/* Callback function for NACK on the OML NM */
-static int oml_msg_nack(struct nm_nack_signal_data *nack)
-{
-	if (nack->mt == NM_MT_GET_ATTR_NACK) {
-		LOGP(DNM, LOGL_ERROR, "BTS%u does not support Get Attributes "
-		     "OML message.\n", nack->bts->nr);
-		return 0;
-	}
-
-	if (nack->mt == NM_MT_SET_BTS_ATTR_NACK)
-		LOGP(DNM, LOGL_ERROR, "Failed to set BTS attributes. That is fatal. "
-		     "Was the bts type and frequency properly specified?\n");
-	else
-		LOGP(DNM, LOGL_ERROR, "Got %s NACK going to drop the OML links.\n",
-		     abis_nm_nack_name(nack->mt));
-
-	if (!nack->bts) {
-		LOGP(DNM, LOGL_ERROR, "Unknown bts. Can not drop it.\n");
-		return 0;
-	}
-
-	if (is_ipaccess_bts(nack->bts))
-		ipaccess_drop_oml(nack->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;
-
-	switch (signal) {
-	case S_NM_NACK:
-		nack = signal_data;
-		return oml_msg_nack(nack);
-	default:
-		break;
-	}
-	return 0;
-}
-
-int bsc_shutdown_net(struct gsm_network *net)
-{
-	struct gsm_bts *bts;
-
-	llist_for_each_entry(bts, &net->bts_list, list) {
-		LOGP(DNM, LOGL_NOTICE, "shutting down OML for BTS %u\n", bts->nr);
-		osmo_signal_dispatch(SS_L_GLOBAL, S_GLOBAL_BTS_CLOSE_OM, bts);
-	}
-
-	return 0;
-}
-
-static int rsl_si(struct gsm_bts_trx *trx, enum osmo_sysinfo_type i, int si_len)
-{
-	struct gsm_bts *bts = trx->bts;
-	int rc, j;
-
-	DEBUGP(DRR, "SI%s: %s\n", get_value_string(osmo_sitype_strs, i),
-		osmo_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, osmo_sitype2rsl(i),
-				       GSM_BTS_SI(bts, i), si_len);
-		break;
-	case SYSINFO_TYPE_2quater:
-		for (j = 0; j <= bts->si2q_count; j++)
-			rc = rsl_bcch_info(trx, i, (const uint8_t *)GSM_BTS_SI2Q(bts, j), GSM_MACBLOCK_LEN);
-		break;
-	default:
-		rc = rsl_bcch_info(trx, i, GSM_BTS_SI(bts, i), si_len);
-		break;
-	}
-
-	return rc;
-}
-
-/* set all system information types for a TRX */
-int gsm_bts_trx_set_system_infos(struct gsm_bts_trx *trx)
-{
-	int i, rc;
-	struct gsm_bts *bts = trx->bts;
-	uint8_t gen_si[_MAX_SYSINFO_TYPE], n_si = 0, n;
-	int si_len[_MAX_SYSINFO_TYPE];
-
-	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;
-
-	/* Zero, forget the state of the SIs */
-	bts->si_valid = 0;
-
-	/* First, we determine which of the SI messages we actually need */
-
-	if (trx == bts->c0) {
-		/* 1...4 are always present on a C0 TRX */
-		gen_si[n_si++] = SYSINFO_TYPE_1;
-		gen_si[n_si++] = SYSINFO_TYPE_2;
-		gen_si[n_si++] = SYSINFO_TYPE_2bis;
-		gen_si[n_si++] = SYSINFO_TYPE_2ter;
-		gen_si[n_si++] = SYSINFO_TYPE_2quater;
-		gen_si[n_si++] = SYSINFO_TYPE_3;
-		gen_si[n_si++] = SYSINFO_TYPE_4;
-
-		/* 13 is always present on a C0 TRX of a GPRS BTS */
-		if (bts->gprs.mode != BTS_GPRS_NONE)
-			gen_si[n_si++] = SYSINFO_TYPE_13;
-	}
-
-	/* 5 and 6 are always present on every TRX */
-	gen_si[n_si++] = SYSINFO_TYPE_5;
-	gen_si[n_si++] = SYSINFO_TYPE_5bis;
-	gen_si[n_si++] = SYSINFO_TYPE_5ter;
-	gen_si[n_si++] = SYSINFO_TYPE_6;
-
-	/* Second, we generate the selected SI via RSL */
-
-	for (n = 0; n < n_si; n++) {
-		i = gen_si[n];
-		/* Only generate SI if this SI is not in "static" (user-defined) mode */
-		if (!(bts->si_mode_static & (1 << i))) {
-			/* Set SI as being valid. gsm_generate_si() might unset
-			 * it, if SI is not required. */
-			bts->si_valid |= (1 << i);
-			rc = gsm_generate_si(bts, i);
-			if (rc < 0)
-				goto err_out;
-			si_len[i] = rc;
-		} else {
-			if (i == SYSINFO_TYPE_5 || i == SYSINFO_TYPE_5bis
-			 || i == SYSINFO_TYPE_5ter)
-				si_len[i] = 18;
-			else if (i == SYSINFO_TYPE_6)
-				si_len[i] = 11;
-			else
-				si_len[i] = 23;
-		}
-	}
-
-	/* Third, we send the selected SI via RSL */
-
-	for (n = 0; n < n_si; n++) {
-		i = gen_si[n];
-		if (!GSM_BTS_HAS_SI(bts, i))
-			continue;
-		rc = rsl_si(trx, i, si_len[i]);
-		if (rc < 0)
-			return rc;
-	}
-
-	/* Make sure the PCU is aware (in case anything GPRS related has
-	 * changed in SI */
-	pcu_info_update(bts);
-
-	return 0;
-err_out:
-	LOGP(DRR, LOGL_ERROR, "Cannot generate SI%s for BTS %u: error <%s>, "
-	     "most likely a problem with neighbor cell list generation\n",
-	     get_value_string(osmo_sitype_strs, i), bts->nr, strerror(-rc));
-	return rc;
-}
-
-/* set all system information types for a BTS */
-int gsm_bts_set_system_infos(struct gsm_bts *bts)
-{
-	struct gsm_bts_trx *trx;
-
-	/* Generate a new ID */
-	bts->bcch_change_mark += 1;
-	bts->bcch_change_mark %= 0x7;
-
-	llist_for_each_entry(trx, &bts->trx_list, list) {
-		int rc;
-
-		rc = gsm_bts_trx_set_system_infos(trx);
-		if (rc != 0)
-			return rc;
-	}
-
-	return 0;
-}
-
-/* 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 = 0; 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 = 0; 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\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);
-
-	if (trx->bts->type == GSM_BTS_TYPE_NOKIA_SITE) {
-		rsl_nokia_si_begin(trx);
-	}
-
-	gsm_bts_trx_set_system_infos(trx);
-
-	if (trx->bts->type == GSM_BTS_TYPE_NOKIA_SITE) {
-		/* channel unspecific, power reduction in 2 dB steps */
-		rsl_bs_power_control(trx, 0xFF, trx->max_power_red / 2);
-		rsl_nokia_si_end(trx);
-	}
-
-	for (i = 0; i < ARRAY_SIZE(trx->ts); i++)
-		generate_ma_for_ts(&trx->ts[i]);
-}
-
-/* Callback function to be called every time we receive a signal from INPUT */
-static int inp_sig_cb(unsigned int subsys, unsigned int signal,
-		      void *handler_data, void *signal_data)
-{
-	struct input_signal_data *isd = signal_data;
-	struct gsm_bts_trx *trx = isd->trx;
-	int ts_no, lchan_no;
-	/* N. B: we rely on attribute order when parsing response in abis_nm_rx_get_attr_resp() */
-	const uint8_t bts_attr[] = { NM_ATT_MANUF_ID, NM_ATT_SW_CONFIG, };
-	const uint8_t trx_attr[] = { NM_ATT_MANUF_STATE, NM_ATT_SW_CONFIG, };
-
-	/* we should not request more attributes than we're ready to handle */
-	OSMO_ASSERT(sizeof(bts_attr) < MAX_BTS_ATTR);
-	OSMO_ASSERT(sizeof(trx_attr) < MAX_BTS_ATTR);
-
-	if (subsys != SS_L_INPUT)
-		return -EINVAL;
-
-	LOGP(DLMI, LOGL_DEBUG, "%s(): Input signal '%s' received\n", __func__,
-		get_value_string(e1inp_signal_names, signal));
-	switch (signal) {
-	case S_L_INP_TEI_UP:
-		if (isd->link_type == E1INP_SIGN_OML) {
-			/* TODO: this is required for the Nokia BTS, hopping is configured
-			   during OML, other MA is not set.  */
-			struct gsm_bts_trx *cur_trx;
-			/* was static in system_information.c */
-			extern int generate_cell_chan_list(uint8_t *chan_list, struct gsm_bts *bts);
-			uint8_t ca[20];
-			/* has to be called before generate_ma_for_ts to
-			  set bts->si_common.cell_alloc */
-			generate_cell_chan_list(ca, trx->bts);
-
-			/* Request generic BTS-level attributes */
-			abis_nm_get_attr(trx->bts, NM_OC_BTS, trx->bts->nr, trx->nr, 0xFF, bts_attr, sizeof(bts_attr));
-
-			llist_for_each_entry(cur_trx, &trx->bts->trx_list, list) {
-				int i;
-				/* Request TRX-level attributes */
-				abis_nm_get_attr(cur_trx->bts, NM_OC_BASEB_TRANSC, cur_trx->bts->nr, cur_trx->nr, 0xFF,
-						 trx_attr, sizeof(trx_attr));
-				for (i = 0; i < ARRAY_SIZE(cur_trx->ts); i++)
-					generate_ma_for_ts(&cur_trx->ts[i]);
-			}
-		}
-		if (isd->link_type == E1INP_SIGN_RSL)
-			bootstrap_rsl(trx);
-		break;
-	case S_L_INP_TEI_DN:
-		LOGP(DLMI, LOGL_ERROR, "Lost some E1 TEI link: %d %p\n", isd->link_type, trx);
-
-		if (isd->link_type == E1INP_SIGN_OML)
-			rate_ctr_inc(&trx->bts->network->bsc_ctrs->ctr[BSC_CTR_BTS_OML_FAIL]);
-		else if (isd->link_type == E1INP_SIGN_RSL)
-			rate_ctr_inc(&trx->bts->network->bsc_ctrs->ctr[BSC_CTR_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]);
-			}
-		}
-
-		gsm_bts_mo_reset(trx->bts);
-
-		abis_nm_clear_queue(trx->bts);
-		break;
-	default:
-		break;
-	}
-
-	return 0;
-}
-
-static int bootstrap_bts(struct gsm_bts *bts)
-{
-	int i, n;
-
-	if (!bts->model)
-		return -EFAULT;
-
-	if (bts->model->start && !bts->model->started) {
-		int ret = bts->model->start(bts->network);
-		if (ret < 0)
-			return ret;
-
-		bts->model->started = true;
-	}
-
-	/* 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 > 124 && bts->c0->arfcn < 955) ||
-		    bts->c0->arfcn > 1023)  {
-			LOGP(DNM, LOGL_ERROR, "GSM900 channel must be between 0-124, 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 is set from vty/config */
-
-	/* 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;
-		/* Limit reserved block to 2 on combined channel according to
-		   3GPP TS 44.018 Table 10.5.2.11.1 */
-		if (bts->si_common.chan_desc.bs_ag_blks_res > 2) {
-			LOGP(DNM, LOGL_NOTICE, "CCCH is combined with SDCCHs, "
-			     "reducing BS-AG-BLKS-RES value %d -> 2\n",
-			     bts->si_common.chan_desc.bs_ag_blks_res);
-			bts->si_common.chan_desc.bs_ag_blks_res = 2;
-		}
-		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;
-	}
-
-	bts->si_common.cell_options.pwrc = 0; /* PWRC not set */
-
-	bts->si_common.cell_sel_par.acs = 0;
-
-	bts->si_common.ncc_permitted = 0xff;
-
-	/* Initialize the BTS state */
-	gsm_bts_mo_reset(bts);
-
-	return 0;
-}
-
-int bsc_network_alloc(mncc_recv_cb_t mncc_recv)
-{
-	/* initialize our data structures */
-	bsc_gsmnet = bsc_network_init(tall_bsc_ctx, 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");
-
-	return 0;
-}
-
-int bsc_network_configure(const char *config_file)
-{
-	struct gsm_bts *bts;
-	int rc;
-
-	rc = vty_read_config_file(config_file, NULL);
-	if (rc < 0) {
-		LOGP(DNM, LOGL_FATAL, "Failed to parse the config file: '%s'\n", config_file);
-		return rc;
-	}
-
-	/* start telnet after reading config for vty_get_bind_addr() */
-	rc = telnet_init_dynif(tall_bsc_ctx, bsc_gsmnet, vty_get_bind_addr(),
-			       OSMO_VTY_PORT_NITB_BSC);
-	if (rc < 0)
-		return rc;
-
-	osmo_signal_register_handler(SS_NM, nm_sig_cb, NULL);
-	osmo_signal_register_handler(SS_L_INPUT, inp_sig_cb, NULL);
-
-	llist_for_each_entry(bts, &bsc_gsmnet->bts_list, list) {
-		rc = bootstrap_bts(bts);
-		if (rc < 0) {
-			LOGP(DNM, LOGL_FATAL, "Error bootstrapping BTS\n");
-			return rc;
-		}
-		rc = e1_reconfig_bts(bts);
-		if (rc < 0) {
-			LOGP(DNM, LOGL_FATAL, "Error enabling E1 input driver\n");
-			return rc;
-		}
-	}
-
-	return 0;
-}