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/*
* (C) 2013-2015 by Holger Hans Peter Freyther
* (C) 2013-2022 by sysmocom s.f.m.c. GmbH
*
* 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 <errno.h>
#include <time.h>
#include <osmocom/ctrl/control_cmd.h>
#include <osmocom/vty/command.h>
#include <osmocom/vty/misc.h>
#include <osmocom/bsc/ctrl.h>
#include <osmocom/bsc/osmo_bsc_rf.h>
#include <osmocom/bsc/bts.h>
#include <osmocom/bsc/ipaccess.h>
#include <osmocom/bsc/chan_alloc.h>
#include <osmocom/bsc/abis_nm.h>
#include <osmocom/bsc/neighbor_ident.h>
#include <osmocom/bsc/system_information.h>
/*********************
* TS_NODE
*********************/
static int verify_ts_hopping_arfcn_add(struct ctrl_cmd *cmd, const char *value, void *_data)
{
int64_t arfcn;
enum gsm_band unused;
if (osmo_str_to_int64(&arfcn, value, 10, 0, 1024) < 0)
return 1;
if (gsm_arfcn2band_rc(arfcn, &unused) < 0) {
return 1;
}
return 0;
}
static int set_ts_hopping_arfcn_add(struct ctrl_cmd *cmd, void *data)
{
struct gsm_bts_trx_ts *ts = cmd->node;
int arfcn = atoi(cmd->value);
bitvec_set_bit_pos(&ts->hopping.arfcns, arfcn, ONE);
/* Update Cell Allocation (list of all the frequencies allocated to a cell) */
if (generate_cell_chan_alloc(ts->trx->bts) != 0) {
bitvec_set_bit_pos(&ts->hopping.arfcns, arfcn, ZERO); /* roll-back */
cmd->reply = "Failed to re-generate Cell Allocation";
return CTRL_CMD_ERROR;
}
cmd->reply = "OK";
return CTRL_CMD_REPLY;
}
/* Parameter format: "<arfcn>" */
CTRL_CMD_DEFINE_WO(ts_hopping_arfcn_add, "hopping-arfcn-add");
static int verify_ts_hopping_arfcn_del(struct ctrl_cmd *cmd, const char *value, void *_data)
{
int64_t arfcn;
enum gsm_band unused;
if (strcmp(value, "all") == 0)
return 0;
if (osmo_str_to_int64(&arfcn, value, 10, 0, 1024) < 0)
return 1;
if (gsm_arfcn2band_rc(arfcn, &unused) < 0) {
return 1;
}
return 0;
}
static int set_ts_hopping_arfcn_del(struct ctrl_cmd *cmd, void *data)
{
struct gsm_bts_trx_ts *ts = cmd->node;
bool all = (strcmp(cmd->value, "all") == 0);
int arfcn;
if (all) {
bitvec_zero(&ts->hopping.arfcns);
} else {
arfcn = atoi(cmd->value);
bitvec_set_bit_pos(&ts->hopping.arfcns, arfcn, ZERO);
}
/* Update Cell Allocation (list of all the frequencies allocated to a cell) */
if (generate_cell_chan_alloc(ts->trx->bts) != 0) {
if (!all)
bitvec_set_bit_pos(&ts->hopping.arfcns, arfcn, ONE); /* roll-back */
cmd->reply = "Failed to re-generate Cell Allocation";
return CTRL_CMD_ERROR;
}
cmd->reply = "OK";
return CTRL_CMD_REPLY;
}
/* Parameter format: "(<arfcn>|all)" */
CTRL_CMD_DEFINE_WO(ts_hopping_arfcn_del, "hopping-arfcn-del");
static int bsc_bts_trx_ts_ctrl_cmds_install(void)
{
int rc = 0;
rc |= ctrl_cmd_install(CTRL_NODE_TS, &cmd_ts_hopping_arfcn_add);
rc |= ctrl_cmd_install(CTRL_NODE_TS, &cmd_ts_hopping_arfcn_del);
return rc;
}
/*********************
* TRX_NODE
*********************/
static int get_trx_rf_locked(struct ctrl_cmd *cmd, void *data)
{
struct gsm_bts_trx *trx = cmd->node;
/* Return rf_locked = 1 only if it is explicitly locked. If it is in shutdown or null state, do not "trick" the
* caller into thinking that sending "rf_locked 0" is necessary to bring the TRX up. */
cmd->reply = (trx->mo.nm_state.administrative == NM_STATE_LOCKED) ? "1" : "0";
return CTRL_CMD_REPLY;
}
static int set_trx_rf_locked(struct ctrl_cmd *cmd, void *data)
{
struct gsm_bts_trx *trx = cmd->node;
int locked;
if (osmo_str_to_int(&locked, cmd->value, 10, 0, 1)) {
cmd->reply = "Invalid value";
return CTRL_CMD_ERROR;
}
gsm_trx_lock_rf(trx, locked, "ctrl");
/* Let's not assume the nm FSM has already switched its state, just return the intended rf_locked value. */
cmd->reply = locked ? "1" : "0";
return CTRL_CMD_REPLY;
}
static int verify_trx_rf_locked(struct ctrl_cmd *cmd, const char *value, void *data)
{
return osmo_str_to_int(NULL, value, 10, 0, 1);
}
CTRL_CMD_DEFINE(trx_rf_locked, "rf_locked");
/* TRX related commands below here */
CTRL_HELPER_GET_INT(trx_max_power, struct gsm_bts_trx, max_power_red);
static int verify_trx_max_power(struct ctrl_cmd *cmd, const char *value, void *_data)
{
int tmp = atoi(value);
if (tmp < 0 || tmp > 22) {
cmd->reply = "Value must be between 0 and 22";
return -1;
}
if (tmp & 1) {
cmd->reply = "Value must be even";
return -1;
}
return 0;
}
CTRL_CMD_DEFINE_RANGE(trx_arfcn, "arfcn", struct gsm_bts_trx, arfcn, 0, 1023);
static int set_trx_max_power(struct ctrl_cmd *cmd, void *_data)
{
struct gsm_bts_trx *trx = cmd->node;
int old_power;
/* remember the old value, set the new one */
old_power = trx->max_power_red;
trx->max_power_red = atoi(cmd->value);
/* Maybe update the value */
if (old_power != trx->max_power_red) {
LOGP(DCTRL, LOGL_NOTICE,
"%s updating max_pwr_red(%d)\n",
gsm_trx_name(trx), trx->max_power_red);
abis_nm_update_max_power_red(trx);
}
return get_trx_max_power(cmd, _data);
}
CTRL_CMD_DEFINE(trx_max_power, "max-power-reduction");
int bsc_bts_trx_ctrl_cmds_install(void)
{
int rc = 0;
rc |= ctrl_cmd_install(CTRL_NODE_TRX, &cmd_trx_max_power);
rc |= ctrl_cmd_install(CTRL_NODE_TRX, &cmd_trx_arfcn);
rc |= ctrl_cmd_install(CTRL_NODE_TRX, &cmd_trx_rf_locked);
rc |= bsc_bts_trx_ts_ctrl_cmds_install();
return rc;
}
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