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/* (C) 2008-2010 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 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <stdbool.h>
#include <netinet/in.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/talloc.h>
#include <osmocom/gsm/gsm_utils.h>
#include <osmocom/gsm/abis_nm.h>
#include <osmocom/core/statistics.h>
#include <osmocom/gsm/protocol/gsm_04_08.h>
#include <osmocom/msc/gsm_data.h>
#include <osmocom/msc/bsc_msc_data.h>
#include <osmocom/msc/abis_nm.h>
void *tall_bsc_ctx;
static LLIST_HEAD(bts_models);
void set_ts_e1link(struct gsm_bts_trx_ts *ts, uint8_t e1_nr,
uint8_t e1_ts, uint8_t e1_ts_ss)
{
ts->e1_link.e1_nr = e1_nr;
ts->e1_link.e1_ts = e1_ts;
ts->e1_link.e1_ts_ss = e1_ts_ss;
}
const struct value_string bts_type_descs[_NUM_GSM_BTS_TYPE+1] = {
{ GSM_BTS_TYPE_UNKNOWN, "Unknown BTS Type" },
{ GSM_BTS_TYPE_BS11, "Siemens BTS (BS-11 or compatible)" },
{ GSM_BTS_TYPE_NANOBTS, "ip.access nanoBTS or compatible" },
{ GSM_BTS_TYPE_RBS2000, "Ericsson RBS2000 Series" },
{ GSM_BTS_TYPE_NOKIA_SITE, "Nokia {Metro,Ultra,In}Site" },
{ GSM_BTS_TYPE_OSMOBTS, "sysmocom sysmoBTS" },
{ 0, NULL }
};
struct gsm_bts_trx *gsm_bts_trx_by_nr(struct gsm_bts *bts, int nr)
{
struct gsm_bts_trx *trx;
llist_for_each_entry(trx, &bts->trx_list, list) {
if (trx->nr == nr)
return trx;
}
return NULL;
}
/* Search for a BTS in the given Location Area; optionally start searching
* with start_bts (for continuing to search after the first result) */
struct gsm_bts *gsm_bts_by_lac(struct gsm_network *net, unsigned int lac,
struct gsm_bts *start_bts)
{
int i;
struct gsm_bts *bts;
int skip = 0;
if (start_bts)
skip = 1;
for (i = 0; i < net->num_bts; i++) {
bts = gsm_bts_num(net, i);
if (skip) {
if (start_bts == bts)
skip = 0;
continue;
}
if (lac == GSM_LAC_RESERVED_ALL_BTS || bts->location_area_code == lac)
return bts;
}
return NULL;
}
static const struct value_string auth_policy_names[] = {
{ GSM_AUTH_POLICY_CLOSED, "closed" },
{ GSM_AUTH_POLICY_ACCEPT_ALL, "accept-all" },
{ GSM_AUTH_POLICY_TOKEN, "token" },
{ GSM_AUTH_POLICY_REGEXP, "regexp" },
{ 0, NULL }
};
enum gsm_auth_policy gsm_auth_policy_parse(const char *arg)
{
return get_string_value(auth_policy_names, arg);
}
const char *gsm_auth_policy_name(enum gsm_auth_policy policy)
{
return get_value_string(auth_policy_names, policy);
}
static const struct value_string rrlp_mode_names[] = {
{ RRLP_MODE_NONE, "none" },
{ RRLP_MODE_MS_BASED, "ms-based" },
{ RRLP_MODE_MS_PREF, "ms-preferred" },
{ RRLP_MODE_ASS_PREF, "ass-preferred" },
{ 0, NULL }
};
enum rrlp_mode rrlp_mode_parse(const char *arg)
{
return get_string_value(rrlp_mode_names, arg);
}
const char *rrlp_mode_name(enum rrlp_mode mode)
{
return get_value_string(rrlp_mode_names, mode);
}
static const struct value_string bts_gprs_mode_names[] = {
{ BTS_GPRS_NONE, "none" },
{ BTS_GPRS_GPRS, "gprs" },
{ BTS_GPRS_EGPRS, "egprs" },
{ 0, NULL }
};
enum bts_gprs_mode bts_gprs_mode_parse(const char *arg, int *valid)
{
int rc;
rc = get_string_value(bts_gprs_mode_names, arg);
if (valid)
*valid = rc != -EINVAL;
return rc;
}
const char *bts_gprs_mode_name(enum bts_gprs_mode mode)
{
return get_value_string(bts_gprs_mode_names, mode);
}
void gprs_ra_id_by_bts(struct gprs_ra_id *raid, struct gsm_bts *bts)
{
raid->mcc = bts->network->country_code;
raid->mnc = bts->network->network_code;
raid->lac = bts->location_area_code;
raid->rac = bts->gprs.rac;
}
int gsm48_ra_id_by_bts(uint8_t *buf, struct gsm_bts *bts)
{
struct gprs_ra_id raid;
gprs_ra_id_by_bts(&raid, bts);
return gsm48_construct_ra(buf, &raid);
}
int gsm_parse_reg(void *ctx, regex_t *reg, char **str, int argc, const char **argv)
{
int ret;
ret = 0;
if (*str) {
talloc_free(*str);
*str = NULL;
}
regfree(reg);
if (argc > 0) {
*str = talloc_strdup(ctx, argv[0]);
ret = regcomp(reg, argv[0], 0);
/* handle compilation failures */
if (ret != 0) {
talloc_free(*str);
*str = NULL;
}
}
return ret;
}
/* Assume there are only 256 possible bts */
osmo_static_assert(sizeof(((struct gsm_bts *) 0)->nr) == 1, _bts_nr_is_256);
bool classmark_is_r99(struct gsm_classmark *cm)
{
int rev_lev = 0;
if (cm->classmark1_set)
rev_lev = cm->classmark1.rev_lev;
else if (cm->classmark2_len > 0)
rev_lev = (cm->classmark2[0] >> 5) & 0x3;
return rev_lev >= 2;
}
const struct value_string ran_type_names[] = {
OSMO_VALUE_STRING(RAN_UNKNOWN),
OSMO_VALUE_STRING(RAN_GERAN_A),
OSMO_VALUE_STRING(RAN_UTRAN_IU),
{ 0, NULL }
};
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