mirror of git://git.sysmocom.de/ofono
692 lines
16 KiB
C
692 lines
16 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2011-2012 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <endian.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ofono/log.h>
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#include <ofono/modem.h>
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#include <ofono/netreg.h>
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#include "qmi.h"
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#include "nas.h"
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#include "qmimodem.h"
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#include "src/common.h"
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struct netreg_data {
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struct qmi_service *nas;
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struct ofono_network_operator operator;
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uint8_t current_rat;
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int lac;
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int cellid;
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bool is_roaming;
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};
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enum roaming_status {
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ROAMING_STATUS_OFF,
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ROAMING_STATUS_ON,
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ROAMING_STATUS_NO_CHANGE,
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};
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static bool extract_ss_info_time(
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struct qmi_result *result,
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struct ofono_network_time *time)
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{
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const struct qmi_nas_3gpp_time *time_3gpp = NULL;
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uint8_t dst_3gpp;
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bool dst_3gpp_valid;
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uint16_t len;
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/* parse 3gpp time & dst */
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dst_3gpp_valid = qmi_result_get_uint8(result, QMI_NAS_RESULT_3GGP_DST,
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&dst_3gpp);
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time_3gpp = qmi_result_get(result, QMI_NAS_RESULT_3GPP_TIME, &len);
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if (time_3gpp && len == sizeof(struct qmi_nas_3gpp_time) &&
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dst_3gpp_valid) {
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time->year = le16toh(time_3gpp->year);
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time->mon = time_3gpp->month;
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time->mday = time_3gpp->day;
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time->hour = time_3gpp->hour;
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time->min = time_3gpp->minute;
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time->sec = time_3gpp->second;
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time->utcoff = time_3gpp->timezone * 15 * 60;
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time->dst = dst_3gpp;
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return true;
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}
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/* TODO: 3gpp2 */
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return false;
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}
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static bool extract_ss_info(struct qmi_result *result, int *status,
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int *lac, int *cellid, int *tech,
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enum roaming_status *roaming,
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struct ofono_network_operator *operator)
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{
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const struct qmi_nas_serving_system *ss;
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const struct qmi_nas_current_plmn *plmn;
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uint8_t i, roaming_status;
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uint16_t value16, len, opname_len;
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uint32_t value32;
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DBG("");
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ss = qmi_result_get(result, QMI_NAS_RESULT_SERVING_SYSTEM, &len);
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if (!ss)
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return false;
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*status = ss->status;
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DBG("serving system status %d", ss->status);
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*tech = -1;
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for (i = 0; i < ss->radio_if_count; i++) {
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DBG("radio in use %d", ss->radio_if[i]);
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*tech = qmi_nas_rat_to_tech(ss->radio_if[i]);
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}
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*roaming = ROAMING_STATUS_NO_CHANGE;
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if (qmi_result_get_uint8(result, QMI_NAS_RESULT_ROAMING_STATUS,
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&roaming_status)) {
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if (roaming_status == 0)
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*roaming = ROAMING_STATUS_ON;
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else if (roaming_status == 1)
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*roaming = ROAMING_STATUS_OFF;
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}
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if (!operator)
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return true;
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plmn = qmi_result_get(result, QMI_NAS_RESULT_CURRENT_PLMN, &len);
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if (plmn) {
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uint16_t mcc = GUINT16_FROM_LE(plmn->mcc);
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uint16_t mnc = GUINT16_FROM_LE(plmn->mnc);
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if (mcc > 999)
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mcc = 999;
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if (mnc > 999)
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mnc = 999;
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snprintf(operator->mcc, OFONO_MAX_MCC_LENGTH + 1, "%03d", mcc);
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snprintf(operator->mnc, OFONO_MAX_MNC_LENGTH + 1, "%03d", mnc);
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opname_len = plmn->desc_len;
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if (opname_len > OFONO_MAX_OPERATOR_NAME_LENGTH)
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opname_len = OFONO_MAX_OPERATOR_NAME_LENGTH;
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/*
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* Telit QMI modems can return non-utf-8 characters in
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* plmn-desc. When that happens, libdbus will abort ofono.
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* If non-utf-8 characters are detected, use mccmnc string.
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*/
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if (g_utf8_validate(plmn->desc, opname_len, NULL)) {
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strncpy(operator->name, plmn->desc, opname_len);
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operator->name[opname_len] = '\0';
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} else
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snprintf(operator->name, OFONO_MAX_OPERATOR_NAME_LENGTH,
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"%s%s", operator->mcc, operator->mnc);
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DBG("%s (%s:%s)", operator->name, operator->mcc, operator->mnc);
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}
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if (qmi_result_get_uint16(result, QMI_NAS_RESULT_LOCATION_AREA_CODE,
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&value16))
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*lac = value16;
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else
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*lac = -1;
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if (qmi_result_get_uint32(result, QMI_NAS_RESULT_CELL_ID, &value32))
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*cellid = value32;
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else
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*cellid = -1;
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DBG("roaming %u lac %d cellid %d tech %d", *roaming, *lac, *cellid,
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*tech);
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return true;
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}
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static int remember_ss_info(struct netreg_data *data, int status, int lac,
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int cellid, enum roaming_status roaming)
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{
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if (roaming == ROAMING_STATUS_ON)
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data->is_roaming = true;
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else if (roaming == ROAMING_STATUS_OFF)
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data->is_roaming = false;
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if (status == QMI_NAS_REGISTRATION_STATE_REGISTERED) {
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if (lac >= 0)
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data->lac = lac;
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if (cellid >= 0)
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data->cellid = cellid;
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} else {
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data->lac = -1;
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data->cellid = -1;
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}
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if (status == QMI_NAS_REGISTRATION_STATE_REGISTERED &&
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data->is_roaming)
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status = NETWORK_REGISTRATION_STATUS_ROAMING;
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return status;
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}
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static void ss_info_notify(struct qmi_result *result, void *user_data)
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{
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struct ofono_netreg *netreg = user_data;
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struct ofono_network_time net_time;
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struct netreg_data *data = ofono_netreg_get_data(netreg);
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int status, lac, cellid, tech;
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enum roaming_status roaming;
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DBG("");
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if (extract_ss_info_time(result, &net_time))
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ofono_netreg_time_notify(netreg, &net_time);
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if (!extract_ss_info(result, &status, &lac, &cellid, &tech, &roaming,
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&data->operator))
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return;
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status = remember_ss_info(data, status, lac, cellid, roaming);
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ofono_netreg_status_notify(netreg, status, data->lac, data->cellid,
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tech);
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}
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static void get_ss_info_cb(struct qmi_result *result, void *user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_netreg_status_cb_t cb = cbd->cb;
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struct netreg_data *data = cbd->user;
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int status, lac, cellid, tech;
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enum roaming_status roaming;
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DBG("");
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if (qmi_result_set_error(result, NULL)) {
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CALLBACK_WITH_FAILURE(cb, -1, -1, -1, -1, cbd->data);
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return;
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}
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if (!extract_ss_info(result, &status, &lac, &cellid, &tech, &roaming,
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&data->operator)) {
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CALLBACK_WITH_FAILURE(cb, -1, -1, -1, -1, cbd->data);
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return;
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}
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status = remember_ss_info(data, status, lac, cellid, roaming);
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CALLBACK_WITH_SUCCESS(cb, status, data->lac, data->cellid, tech,
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cbd->data);
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}
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static void qmi_registration_status(struct ofono_netreg *netreg,
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ofono_netreg_status_cb_t cb, void *user_data)
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{
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struct netreg_data *data = ofono_netreg_get_data(netreg);
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struct cb_data *cbd = cb_data_new(cb, user_data);
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DBG("");
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cbd->user = data;
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if (qmi_service_send(data->nas, QMI_NAS_GET_SS_INFO, NULL,
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get_ss_info_cb, cbd, g_free) > 0)
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return;
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CALLBACK_WITH_FAILURE(cb, -1, -1, -1, -1, cbd->data);
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g_free(cbd);
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}
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static void qmi_current_operator(struct ofono_netreg *netreg,
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ofono_netreg_operator_cb_t cb, void *user_data)
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{
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struct netreg_data *data = ofono_netreg_get_data(netreg);
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DBG("");
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CALLBACK_WITH_SUCCESS(cb, &data->operator, user_data);
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}
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static void scan_nets_cb(struct qmi_result *result, void *user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_netreg_operator_list_cb_t cb = cbd->cb;
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struct ofono_network_operator *list;
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const struct qmi_nas_network_list *netlist;
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const struct qmi_nas_network_rat *netrat;
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const void *ptr;
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uint16_t len, num, offset, i;
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DBG("");
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if (qmi_result_set_error(result, NULL)) {
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CALLBACK_WITH_FAILURE(cb, 0, NULL, cbd->data);
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return;
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}
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ptr = qmi_result_get(result, QMI_NAS_RESULT_NETWORK_LIST, &len);
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if (!ptr) {
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CALLBACK_WITH_FAILURE(cb, 0, NULL, cbd->data);
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return;
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}
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netlist = ptr;
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num = GUINT16_FROM_LE(netlist->count);
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DBG("found %d operators", num);
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list = g_try_new0(struct ofono_network_operator, num);
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if (!list) {
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CALLBACK_WITH_FAILURE(cb, 0, NULL, cbd->data);
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return;
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}
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offset = 2;
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for (i = 0; i < num; i++) {
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const struct qmi_nas_network_info *netinfo = ptr + offset;
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uint16_t mcc = GUINT16_FROM_LE(netinfo->mcc);
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uint16_t mnc = GUINT16_FROM_LE(netinfo->mnc);
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if (mcc > 999)
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mcc = 999;
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if (mnc > 999)
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mnc = 999;
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snprintf(list[i].mcc, OFONO_MAX_MCC_LENGTH + 1, "%03d", mcc);
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snprintf(list[i].mnc, OFONO_MAX_MNC_LENGTH + 1, "%03d", mnc);
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strncpy(list[i].name, netinfo->desc, netinfo->desc_len);
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list[i].name[netinfo->desc_len] = '\0';
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if (netinfo->status & 0x10)
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list[i].status = 3;
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else if (netinfo->status & 0x01)
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list[i].status = 2;
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else if (netinfo->status & 0x02)
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list[i].status = 1;
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else
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list[i].status = 0;
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list[i].tech = -1;
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DBG("%s (%s:%s) status %d", list[i].name,
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list[i].mcc, list[i].mnc, list[i].status);
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offset += sizeof(struct qmi_nas_network_info) +
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netinfo->desc_len;
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}
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netrat = qmi_result_get(result, QMI_NAS_RESULT_NETWORK_RAT, &len);
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if (!netrat)
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goto done;
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if (GUINT16_FROM_LE(netrat->count) != num)
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goto done;
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for (i = 0; i < num; i++) {
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DBG("%03d:%02d %d", netrat->info[i].mcc, netrat->info[i].mnc,
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netrat->info[i].rat);
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list[i].tech = qmi_nas_rat_to_tech(netrat->info[i].rat);
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}
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done:
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CALLBACK_WITH_SUCCESS(cb, num, list, cbd->data);
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g_free(list);
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}
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static void qmi_list_operators(struct ofono_netreg *netreg,
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ofono_netreg_operator_list_cb_t cb, void *user_data)
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{
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struct netreg_data *data = ofono_netreg_get_data(netreg);
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struct cb_data *cbd = cb_data_new(cb, user_data);
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DBG("");
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if (qmi_service_send(data->nas, QMI_NAS_SCAN_NETS, NULL,
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scan_nets_cb, cbd, g_free) > 0)
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return;
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CALLBACK_WITH_FAILURE(cb, 0, NULL, cbd->data);
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g_free(cbd);
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}
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static void register_net_cb(struct qmi_result *result, void *user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_netreg_register_cb_t cb = cbd->cb;
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uint16_t error;
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int cme_error;
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DBG("");
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if (qmi_result_set_error(result, &error)) {
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if (error == 26) {
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/* no effect */
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goto done;
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}
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cme_error = qmi_error_to_ofono_cme(error);
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CALLBACK_WITH_CME_ERROR(cb, cme_error, cbd->data);
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return;
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}
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done:
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CALLBACK_WITH_SUCCESS(cb, cbd->data);
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}
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static void qmi_register_auto(struct ofono_netreg *netreg,
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ofono_netreg_register_cb_t cb, void *user_data)
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{
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struct netreg_data *data = ofono_netreg_get_data(netreg);
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struct cb_data *cbd = cb_data_new(cb, user_data);
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struct qmi_param *param;
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DBG("");
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param = qmi_param_new_uint8(QMI_NAS_PARAM_REGISTER_ACTION,
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QMI_NAS_REGISTER_ACTION_AUTO);
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if (!param)
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goto error;
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if (qmi_service_send(data->nas, QMI_NAS_REGISTER_NET, param,
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register_net_cb, cbd, g_free) > 0)
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return;
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qmi_param_free(param);
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error:
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CALLBACK_WITH_FAILURE(cb, cbd->data);
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g_free(cbd);
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}
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static void qmi_register_manual(struct ofono_netreg *netreg,
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const char *mcc, const char *mnc,
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ofono_netreg_register_cb_t cb, void *user_data)
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{
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struct netreg_data *data = ofono_netreg_get_data(netreg);
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struct cb_data *cbd = cb_data_new(cb, user_data);
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struct qmi_nas_param_register_manual_info info;
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struct qmi_param *param;
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DBG("");
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param = qmi_param_new_uint8(QMI_NAS_PARAM_REGISTER_ACTION,
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QMI_NAS_REGISTER_ACTION_MANUAL);
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if (!param)
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goto error;
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info.mcc = atoi(mcc);
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info.mnc = atoi(mnc);
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info.rat = QMI_NAS_NETWORK_RAT_NO_CHANGE;
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qmi_param_append(param, QMI_NAS_PARAM_REGISTER_MANUAL_INFO,
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sizeof(info), &info);
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if (qmi_service_send(data->nas, QMI_NAS_REGISTER_NET, param,
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register_net_cb, cbd, g_free) > 0)
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return;
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qmi_param_free(param);
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error:
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CALLBACK_WITH_FAILURE(cb, cbd->data);
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g_free(cbd);
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}
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static int dbm_to_strength(int8_t dbm)
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{
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if (dbm > -55)
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return 100;
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else if (dbm > -65)
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return 80;
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else if (dbm > -75)
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return 60;
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else if (dbm > -85)
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return 40;
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else if (dbm > -95)
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return 20;
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else if (dbm > -105)
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return 0;
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return -1;
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}
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static void get_rssi_cb(struct qmi_result *result, void *user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_netreg_strength_cb_t cb = cbd->cb;
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const struct qmi_nas_signal_strength *ss;
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uint16_t len;
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int strength;
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DBG("");
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if (qmi_result_set_error(result, NULL)) {
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CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
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return;
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}
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ss = qmi_result_get(result, QMI_NAS_RESULT_SIGNAL_STRENGTH, &len);
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if (!ss) {
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CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
|
|
return;
|
|
}
|
|
|
|
DBG("signal with %d dBm on %d", ss->dbm, ss->rat);
|
|
|
|
strength = dbm_to_strength(ss->dbm);
|
|
|
|
CALLBACK_WITH_SUCCESS(cb, strength, cbd->data);
|
|
}
|
|
|
|
static void qmi_signal_strength(struct ofono_netreg *netreg,
|
|
ofono_netreg_strength_cb_t cb, void *user_data)
|
|
{
|
|
struct netreg_data *data = ofono_netreg_get_data(netreg);
|
|
struct cb_data *cbd = cb_data_new(cb, user_data);
|
|
|
|
DBG("");
|
|
|
|
if (qmi_service_send(data->nas, QMI_NAS_GET_RSSI, NULL,
|
|
get_rssi_cb, cbd, g_free) > 0)
|
|
return;
|
|
|
|
CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
|
|
|
|
g_free(cbd);
|
|
}
|
|
|
|
static void event_notify(struct qmi_result *result, void *user_data)
|
|
{
|
|
struct ofono_netreg *netreg = user_data;
|
|
struct netreg_data *data = ofono_netreg_get_data(netreg);
|
|
const struct qmi_nas_signal_strength *ss;
|
|
const struct qmi_nas_rf_info *rf;
|
|
uint16_t len;
|
|
|
|
DBG("");
|
|
|
|
ss = qmi_result_get(result, QMI_NAS_NOTIFY_SIGNAL_STRENGTH, &len);
|
|
if (ss) {
|
|
int strength;
|
|
|
|
strength = dbm_to_strength(ss->dbm);
|
|
|
|
DBG("signal with %d%%(%d dBm) on %d",
|
|
strength, ss->dbm, ss->rat);
|
|
|
|
ofono_netreg_strength_notify(netreg, strength);
|
|
}
|
|
|
|
rf = qmi_result_get(result, QMI_NAS_NOTIFY_RF_INFO, &len);
|
|
if (rf) {
|
|
uint8_t i;
|
|
|
|
for (i = 0; i < rf->count; i++) {
|
|
DBG("rat %d band %d channel %d", rf->info[i].rat,
|
|
rf->info[i].band, rf->info[i].channel);
|
|
}
|
|
|
|
data->current_rat = rf->info[i].rat;
|
|
}
|
|
}
|
|
|
|
static void set_event_cb(struct qmi_result *result, void *user_data)
|
|
{
|
|
struct ofono_netreg *netreg = user_data;
|
|
struct netreg_data *data = ofono_netreg_get_data(netreg);
|
|
|
|
DBG("");
|
|
|
|
ofono_netreg_register(netreg);
|
|
|
|
qmi_service_register(data->nas, QMI_NAS_EVENT,
|
|
event_notify, netreg, NULL);
|
|
|
|
qmi_service_register(data->nas, QMI_NAS_SS_INFO_IND,
|
|
ss_info_notify, netreg, NULL);
|
|
}
|
|
|
|
static void create_nas_cb(struct qmi_service *service, void *user_data)
|
|
{
|
|
struct ofono_netreg *netreg = user_data;
|
|
struct netreg_data *data = ofono_netreg_get_data(netreg);
|
|
struct qmi_param *param;
|
|
struct qmi_nas_param_event_signal_strength ss = { .report = 0x01,
|
|
.count = 5, .dbm[0] = -55, .dbm[1] = -65,
|
|
.dbm[2] = -75, .dbm[3] = -85, .dbm[4] = -95 };
|
|
|
|
DBG("");
|
|
|
|
if (!service) {
|
|
ofono_error("Failed to request NAS service");
|
|
ofono_netreg_remove(netreg);
|
|
return;
|
|
}
|
|
|
|
data->nas = qmi_service_ref(service);
|
|
|
|
param = qmi_param_new();
|
|
if (!param)
|
|
goto done;
|
|
|
|
qmi_param_append(param, QMI_NAS_PARAM_REPORT_SIGNAL_STRENGTH,
|
|
sizeof(ss), &ss);
|
|
qmi_param_append_uint8(param, QMI_NAS_PARAM_REPORT_RF_INFO, 0x01);
|
|
|
|
if (qmi_service_send(data->nas, QMI_NAS_SET_EVENT, param,
|
|
set_event_cb, netreg, NULL) > 0)
|
|
return;
|
|
|
|
qmi_param_free(param);
|
|
|
|
done:
|
|
ofono_netreg_register(netreg);
|
|
}
|
|
|
|
static int qmi_netreg_probe(struct ofono_netreg *netreg,
|
|
unsigned int vendor, void *user_data)
|
|
{
|
|
struct qmi_device *device = user_data;
|
|
struct netreg_data *data;
|
|
|
|
DBG("");
|
|
|
|
data = g_new0(struct netreg_data, 1);
|
|
|
|
data->operator.name[0] = '\0';
|
|
data->operator.mcc[0] = '\0';
|
|
data->operator.mnc[0] = '\0';
|
|
data->operator.status = -1;
|
|
data->operator.tech = -1;
|
|
|
|
data->current_rat = QMI_NAS_NETWORK_RAT_NO_CHANGE;
|
|
data->is_roaming = false;
|
|
data->lac = -1;
|
|
data->cellid = -1;
|
|
|
|
ofono_netreg_set_data(netreg, data);
|
|
|
|
qmi_service_create_shared(device, QMI_SERVICE_NAS,
|
|
create_nas_cb, netreg, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void qmi_netreg_remove(struct ofono_netreg *netreg)
|
|
{
|
|
struct netreg_data *data = ofono_netreg_get_data(netreg);
|
|
|
|
DBG("");
|
|
|
|
ofono_netreg_set_data(netreg, NULL);
|
|
|
|
qmi_service_unregister_all(data->nas);
|
|
|
|
qmi_service_unref(data->nas);
|
|
|
|
g_free(data);
|
|
}
|
|
|
|
static const struct ofono_netreg_driver driver = {
|
|
.name = "qmimodem",
|
|
.probe = qmi_netreg_probe,
|
|
.remove = qmi_netreg_remove,
|
|
.registration_status = qmi_registration_status,
|
|
.current_operator = qmi_current_operator,
|
|
.list_operators = qmi_list_operators,
|
|
.register_auto = qmi_register_auto,
|
|
.register_manual = qmi_register_manual,
|
|
.strength = qmi_signal_strength,
|
|
};
|
|
|
|
void qmi_netreg_init(void)
|
|
{
|
|
ofono_netreg_driver_register(&driver);
|
|
}
|
|
|
|
void qmi_netreg_exit(void)
|
|
{
|
|
ofono_netreg_driver_unregister(&driver);
|
|
}
|