ofono/drivers/rilmodem/netmon.c

409 lines
10 KiB
C

/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2016 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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 General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <glib.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/netmon.h>
#include "gril.h"
#include "rilmodem.h"
/*
* Defined below are copy of
* RIL_CellInfoType defined in Ril.h
*/
#define NETMON_RIL_CELLINFO_TYPE_GSM 1
#define NETMON_RIL_CELLINFO_TYPE_CDMA 2
#define NETMON_RIL_CELLINFO_TYPE_LTE 3
#define NETMON_RIL_CELLINFO_TYPE_UMTS 4
#define NETMON_RIL_CELLINFO_TYPE_TDSCDMA 5
/* size of RIL_CellInfoGsm */
#define NETMON_RIL_CELLINFO_SIZE_GSM 24
/* size of RIL_CellInfoCDMA */
#define NETMON_RIL_CELLINFO_SIZE_CDMA 40
/* size of RIL_CellInfoLte */
#define NETMON_RIL_CELLINFO_SIZE_LTE 44
/* size of RIL_CellInfoWcdma */
#define NETMON_RIL_CELLINFO_SIZE_UMTS 28
/* size of RIL_CellInfoTdscdma */
#define NETMON_RIL_CELLINFO_SIZE_TDSCDMA 24
#define MSECS_RATE_INVALID (0x7fffffff)
#define SECS_TO_MSECS(x) ((x) * 1000)
struct netmon_data {
GRil *ril;
};
static gboolean ril_delayed_register(gpointer user_data)
{
struct ofono_netmon *netmon = user_data;
ofono_netmon_register(netmon);
return FALSE;
}
static int ril_cell_type_to_size(int cell_type)
{
switch (cell_type) {
case NETMON_RIL_CELLINFO_TYPE_GSM:
return NETMON_RIL_CELLINFO_SIZE_GSM;
case NETMON_RIL_CELLINFO_TYPE_CDMA:
return NETMON_RIL_CELLINFO_SIZE_CDMA;
case NETMON_RIL_CELLINFO_TYPE_LTE:
return NETMON_RIL_CELLINFO_SIZE_LTE;
case NETMON_RIL_CELLINFO_TYPE_UMTS:
return NETMON_RIL_CELLINFO_SIZE_UMTS;
case NETMON_RIL_CELLINFO_TYPE_TDSCDMA:
return NETMON_RIL_CELLINFO_SIZE_TDSCDMA;
}
return 0;
}
static int process_cellinfo_list(struct ril_msg *message,
struct ofono_netmon *netmon)
{
struct parcel rilp;
int skip_len;
int cell_info_cnt;
int cell_type;
int registered = 0;
int mcc, mnc;
int lac, cid, psc;
int rssi, ber;
int ci, pci, tac;
int rsrp, rsrq, rssnr;
int cqi, tadv;
char s_mcc[OFONO_MAX_MCC_LENGTH + 1];
char s_mnc[OFONO_MAX_MNC_LENGTH + 1];
int i, j;
if (message->error != RIL_E_SUCCESS)
return OFONO_ERROR_TYPE_FAILURE;
g_ril_init_parcel(message, &rilp);
cell_info_cnt = parcel_r_int32(&rilp);
for (i = 0; i < cell_info_cnt; i++) {
cell_type = parcel_r_int32(&rilp);
registered = parcel_r_int32(&rilp);
/* skipping unneeded timeStampType in Ril cell info */
(void)parcel_r_int32(&rilp);
/*skipping timeStamp which is a uint64_t type */
(void)parcel_r_int32(&rilp);
(void)parcel_r_int32(&rilp);
if (registered)
break;
/*
* not serving cell,
* skip remainder of current cell info
*/
skip_len = ril_cell_type_to_size(cell_type)/sizeof(int);
for (j = 0; j < skip_len; j++)
(void)parcel_r_int32(&rilp);
}
if (!registered)
return OFONO_ERROR_TYPE_FAILURE;
if (cell_type == NETMON_RIL_CELLINFO_TYPE_GSM) {
mcc = parcel_r_int32(&rilp);
mnc = parcel_r_int32(&rilp);
lac = parcel_r_int32(&rilp);
cid = parcel_r_int32(&rilp);
rssi = parcel_r_int32(&rilp);
ber = parcel_r_int32(&rilp);
if (mcc >= 0 && mcc <= 999)
snprintf(s_mcc, sizeof(s_mcc), "%03d", mcc);
else
strcpy(s_mcc, "");
if (mnc >= 0 && mnc <= 999)
snprintf(s_mnc, sizeof(s_mnc), "%03d", mnc);
else
strcpy(s_mnc, "");
lac = (lac >= 0 && lac <= 65535) ? lac : -1;
cid = (cid >= 0 && cid <= 65535) ? cid : -1;
rssi = (rssi >= 0 && rssi <= 31) ? rssi : -1;
ber = (ber >= 0 && ber <= 7) ? ber : -1;
ofono_netmon_serving_cell_notify(netmon,
OFONO_NETMON_CELL_TYPE_GSM,
OFONO_NETMON_INFO_MCC, s_mcc,
OFONO_NETMON_INFO_MNC, s_mnc,
OFONO_NETMON_INFO_LAC, lac,
OFONO_NETMON_INFO_CI, cid,
OFONO_NETMON_INFO_RSSI, rssi,
OFONO_NETMON_INFO_BER, ber,
OFONO_NETMON_INFO_INVALID);
} else if (cell_type == NETMON_RIL_CELLINFO_TYPE_UMTS) {
mcc = parcel_r_int32(&rilp);
mnc = parcel_r_int32(&rilp);
lac = parcel_r_int32(&rilp);
cid = parcel_r_int32(&rilp);
psc = parcel_r_int32(&rilp);
rssi = parcel_r_int32(&rilp);
ber = parcel_r_int32(&rilp);
if (mcc >= 0 && mcc <= 999)
snprintf(s_mcc, sizeof(s_mcc), "%03d", mcc);
else
strcpy(s_mcc, "");
if (mnc >= 0 && mnc <= 999)
snprintf(s_mnc, sizeof(s_mnc), "%03d", mnc);
else
strcpy(s_mnc, "");
lac = (lac >= 0 && lac <= 65535) ? lac : -1;
cid = (cid >= 0 && cid <= 268435455) ? cid : -1;
psc = (psc >= 0 && psc <= 511) ? psc : -1;
rssi = (rssi >= 0 && rssi <= 31) ? rssi : -1;
ber = (ber >= 0 && ber <= 7) ? ber : -1;
ofono_netmon_serving_cell_notify(netmon,
OFONO_NETMON_CELL_TYPE_UMTS,
OFONO_NETMON_INFO_MCC, s_mcc,
OFONO_NETMON_INFO_MNC, s_mnc,
OFONO_NETMON_INFO_LAC, lac,
OFONO_NETMON_INFO_CI, cid,
OFONO_NETMON_INFO_PSC, psc,
OFONO_NETMON_INFO_RSSI, rssi,
OFONO_NETMON_INFO_BER, ber,
OFONO_NETMON_INFO_INVALID);
} else if (cell_type == NETMON_RIL_CELLINFO_TYPE_LTE) {
mcc = parcel_r_int32(&rilp);
mnc = parcel_r_int32(&rilp);
ci = parcel_r_int32(&rilp);
pci = parcel_r_int32(&rilp);
tac = parcel_r_int32(&rilp);
rssi = parcel_r_int32(&rilp);
rsrp = parcel_r_int32(&rilp);
rsrq = parcel_r_int32(&rilp);
rssnr = parcel_r_int32(&rilp);
cqi = parcel_r_int32(&rilp);
tadv = parcel_r_int32(&rilp);
if (mcc >= 0 && mcc <= 999)
snprintf(s_mcc, sizeof(s_mcc), "%03d", mcc);
else
strcpy(s_mcc, "");
if (mnc >= 0 && mnc <= 999)
snprintf(s_mnc, sizeof(s_mnc), "%03d", mnc);
else
strcpy(s_mnc, "");
ci = (ci >= 0 && ci <= 268435455) ? ci : -1;
pci = (pci >= 0 && pci <= 503) ? pci : -1;
tac = (tac >= 0 && tac <= 65535) ? tac : -1;
rssi = (rssi >= 0 && rssi <= 31) ? rssi : -1;
rsrp = (rsrp >= 44 && rsrp <= 140) ? -rsrp : -1;
rsrq = (rsrq >= 3 && rsrq <= 20) ? -rsrq : -1;
rssnr = (rssnr >= -200 && rssnr <= 300) ? rssnr : -1;
cqi = (cqi >= 0 && cqi <= 15) ? cqi : -1;
tadv = (tadv >=0 && tadv <= 63) ? tadv : -1;
ofono_netmon_serving_cell_notify(netmon,
OFONO_NETMON_CELL_TYPE_LTE,
OFONO_NETMON_INFO_MCC, s_mcc,
OFONO_NETMON_INFO_MNC, s_mnc,
OFONO_NETMON_INFO_CI, ci,
OFONO_NETMON_INFO_PCI, pci,
OFONO_NETMON_INFO_TAC, tac,
OFONO_NETMON_INFO_RSSI, rssi,
OFONO_NETMON_INFO_RSRP, rsrp,
OFONO_NETMON_INFO_RSRQ, rsrq,
OFONO_NETMON_INFO_SNR, rssnr,
OFONO_NETMON_INFO_CQI, cqi,
OFONO_NETMON_INFO_TIMING_ADVANCE, tadv,
OFONO_NETMON_INFO_INVALID);
}
return OFONO_ERROR_TYPE_NO_ERROR;
}
static void ril_netmon_update_cb(struct ril_msg *message, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_netmon_cb_t cb = cbd->cb;
struct ofono_netmon *netmon = cbd->data;
if (process_cellinfo_list(message, netmon) ==
OFONO_ERROR_TYPE_NO_ERROR) {
CALLBACK_WITH_SUCCESS(cb, cbd->data);
return;
}
CALLBACK_WITH_FAILURE(cb, cbd->data);
}
static void ril_cellinfo_notify(struct ril_msg *message, gpointer user_data)
{
struct ofono_netmon *netmon = user_data;
process_cellinfo_list(message, netmon);
}
static void setup_cell_info_notify(struct ofono_netmon *netmon)
{
struct netmon_data *nmd = ofono_netmon_get_data(netmon);
struct parcel rilp;
parcel_init(&rilp);
parcel_w_int32(&rilp, 1); /* Number of elements */
parcel_w_int32(&rilp, MSECS_RATE_INVALID);
if (g_ril_send(nmd->ril, RIL_REQUEST_SET_UNSOL_CELL_INFO_LIST_RATE,
&rilp, NULL, NULL, NULL) == 0)
ofono_error("%s: setup failed\n", __func__);
if (g_ril_register(nmd->ril, RIL_UNSOL_CELL_INFO_LIST,
ril_cellinfo_notify, netmon) == 0)
ofono_error("%s: setup failed\n", __func__);
}
static int ril_netmon_probe(struct ofono_netmon *netmon,
unsigned int vendor, void *user)
{
GRil *ril = user;
struct netmon_data *ud = g_new0(struct netmon_data, 1);
ud->ril = g_ril_clone(ril);
ofono_netmon_set_data(netmon, ud);
setup_cell_info_notify(netmon);
g_idle_add(ril_delayed_register, netmon);
return 0;
}
static void ril_netmon_remove(struct ofono_netmon *netmon)
{
struct netmon_data *nmd = ofono_netmon_get_data(netmon);
ofono_netmon_set_data(netmon, NULL);
g_ril_unref(nmd->ril);
}
static void ril_netmon_request_update(struct ofono_netmon *netmon,
ofono_netmon_cb_t cb, void *data)
{
struct netmon_data *nmd = ofono_netmon_get_data(netmon);
struct cb_data *cbd = cb_data_new(cb, data, nmd);
if (g_ril_send(nmd->ril, RIL_REQUEST_GET_CELL_INFO_LIST, NULL,
ril_netmon_update_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static void periodic_update_cb(struct ril_msg *message, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_netmon_cb_t cb = cbd->cb;
if (message->error != RIL_E_SUCCESS)
CALLBACK_WITH_FAILURE(cb, cbd->data);
CALLBACK_WITH_SUCCESS(cb, cbd->data);
}
static void ril_netmon_periodic_update(struct ofono_netmon *netmon,
unsigned int enable, unsigned int period,
ofono_netmon_cb_t cb, void *data)
{
struct netmon_data *nmd = ofono_netmon_get_data(netmon);
struct cb_data *cbd = cb_data_new(cb, data, nmd);
struct parcel rilp;
parcel_init(&rilp);
parcel_w_int32(&rilp, 1); /* Number of elements */
if (enable)
parcel_w_int32(&rilp, SECS_TO_MSECS(period));
else
parcel_w_int32(&rilp, MSECS_RATE_INVALID);
if (g_ril_send(nmd->ril, RIL_REQUEST_SET_UNSOL_CELL_INFO_LIST_RATE,
&rilp, periodic_update_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, cbd->data);
}
static const struct ofono_netmon_driver driver = {
.name = RILMODEM,
.probe = ril_netmon_probe,
.remove = ril_netmon_remove,
.request_update = ril_netmon_request_update,
.enable_periodic_update = ril_netmon_periodic_update,
};
void ril_netmon_init(void)
{
ofono_netmon_driver_register(&driver);
}
void ril_netmon_exit(void)
{
ofono_netmon_driver_unregister(&driver);
}