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/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2016 Endocode AG. 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <glib.h>
#include <ofono/modem.h>
#include <ofono/gprs-context.h>
#include <ofono/log.h>
#include <ofono/lte.h>
#include "gatchat.h"
#include "gatresult.h"
#include "ubloxmodem.h"
static const char *none_prefix[] = { NULL };
struct lte_driver_data {
GAtChat *chat;
const struct ublox_model *model;
struct ofono_lte_default_attach_info pending_info;
};
static void at_lte_set_auth_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_lte_cb_t cb = cbd->cb;
struct ofono_error error;
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void at_lte_set_default_attach_info_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_lte_cb_t cb = cbd->cb;
void *data = cbd->data;
struct lte_driver_data *ldd = cbd->user;
struct ofono_error error;
char buf[32 + OFONO_GPRS_MAX_USERNAME_LENGTH +
OFONO_GPRS_MAX_PASSWORD_LENGTH + 1];
enum ofono_gprs_auth_method auth_method;
int cid;
if (!ok) {
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, data);
return;
}
if (ublox_is_toby_l2(ldd->model)) {
/* If CGDCONT has already been used to set up cid 4 then
* the EPS default bearer will be configured from another
* cid (see documentation for how this is selected). Avoid
* doing so as this assumes as much...
*/
cid = 4;
} else if (ublox_is_toby_l4(ldd->model)) {
cid = 1;
} else {
ofono_error("Unknown model; "
"unable to determine EPS default bearer CID");
goto out;
}
auth_method = ldd->pending_info.auth_method;
/* change the authentication method if the parameters are invalid */
if (!*ldd->pending_info.username || !*ldd->pending_info.password)
auth_method = OFONO_GPRS_AUTH_METHOD_NONE;
/* In contrast to CGAUTH, all four parameters are _required_ here;
* if auth type is NONE then username and password must be set to
* empty strings.
*/
sprintf(buf, "AT+UAUTHREQ=%d,%d,\"%s\",\"%s\"",
cid,
at_util_gprs_auth_method_to_auth_prot(auth_method),
ldd->pending_info.username,
ldd->pending_info.password);
cbd = cb_data_ref(cbd);
if (g_at_chat_send(ldd->chat, buf, none_prefix,
at_lte_set_auth_cb, cbd, cb_data_unref) > 0)
return;
out:
cb_data_unref(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static void ublox_lte_set_default_attach_info(const struct ofono_lte *lte,
const struct ofono_lte_default_attach_info *info,
ofono_lte_cb_t cb, void *data)
{
struct lte_driver_data *ldd = ofono_lte_get_data(lte);
char buf[32 + OFONO_GPRS_MAX_APN_LENGTH + 1];
struct cb_data *cbd = cb_data_new(cb, data);
DBG("LTE config with APN: %s", info->apn);
cbd->user = ldd;
memcpy(&ldd->pending_info, info, sizeof(ldd->pending_info));
if (ublox_is_toby_l2(ldd->model)) {
if (strlen(info->apn) > 0)
snprintf(buf, sizeof(buf), "AT+UCGDFLT=0,%s,\"%s\"",
at_util_gprs_proto_to_pdp_type(info->proto),
info->apn);
else
snprintf(buf, sizeof(buf), "AT+UCGDFLT=0");
} else if (ublox_is_toby_l4(ldd->model)) {
if (strlen(info->apn) > 0)
snprintf(buf, sizeof(buf), "AT+CGDCONT=1,%s,\"%s\"",
at_util_gprs_proto_to_pdp_type(info->proto),
info->apn);
else
snprintf(buf, sizeof(buf), "AT+CGDCONT=1");
}
if (g_at_chat_send(ldd->chat, buf, none_prefix,
at_lte_set_default_attach_info_cb,
cbd, cb_data_unref) > 0)
return;
cb_data_unref(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static gboolean lte_delayed_register(gpointer user_data)
{
struct ofono_lte *lte = user_data;
ofono_lte_register(lte);
return FALSE;
}
static int ublox_lte_probe(struct ofono_lte *lte,
unsigned int model_id, void *data)
{
GAtChat *chat = data;
struct lte_driver_data *ldd;
DBG("ublox lte probe");
ldd = g_try_new0(struct lte_driver_data, 1);
if (!ldd)
return -ENOMEM;
ldd->chat = g_at_chat_clone(chat);
ldd->model = ublox_model_from_id(model_id);
ofono_lte_set_data(lte, ldd);
g_idle_add(lte_delayed_register, lte);
return 0;
}
static void ublox_lte_remove(struct ofono_lte *lte)
{
struct lte_driver_data *ldd = ofono_lte_get_data(lte);
DBG("ublox lte remove");
g_at_chat_unref(ldd->chat);
ofono_lte_set_data(lte, NULL);
g_free(ldd);
}
static const struct ofono_lte_driver driver = {
.name = UBLOXMODEM,
.probe = ublox_lte_probe,
.remove = ublox_lte_remove,
.set_default_attach_info = ublox_lte_set_default_attach_info,
};
void ublox_lte_init(void)
{
ofono_lte_driver_register(&driver);
}
void ublox_lte_exit(void)
{
ofono_lte_driver_unregister(&driver);
}
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