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