mirror of git://git.sysmocom.de/ofono
586 lines
15 KiB
C
586 lines
15 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
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* Copyright (C) 2013 Canonical Ltd.
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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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#define _GNU_SOURCE
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <glib.h>
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#include <ofono/log.h>
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#include <ofono/modem.h>
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#include <ofono/gprs-context.h>
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#include <ofono/types.h>
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#include "ofono.h"
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#include "grilreply.h"
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#include "grilrequest.h"
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#include "grilunsol.h"
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#include "gprs.h"
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#include "rilmodem.h"
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#define NUM_DEACTIVATION_RETRIES 4
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#define TIME_BETWEEN_DEACT_RETRIES_S 2
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enum state {
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STATE_IDLE,
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STATE_ENABLING,
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STATE_DISABLING,
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STATE_ACTIVE,
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};
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struct gprs_context_data {
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GRil *ril;
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struct ofono_modem *modem;
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unsigned vendor;
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gint active_ctx_cid;
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gint active_rild_cid;
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enum state state;
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guint call_list_id;
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char *apn;
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enum ofono_gprs_context_type type;
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int deact_retries;
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guint retry_ev_id;
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struct cb_data *retry_cbd;
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guint reset_ev_id;
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};
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static void ril_gprs_context_deactivate_primary(struct ofono_gprs_context *gc,
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unsigned int id,
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ofono_gprs_context_cb_t cb,
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void *data);
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static void ril_deactivate_data_call_cb(struct ril_msg *message,
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gpointer user_data);
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static void set_context_disconnected(struct gprs_context_data *gcd)
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{
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DBG("");
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gcd->active_ctx_cid = -1;
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gcd->active_rild_cid = -1;
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gcd->state = STATE_IDLE;
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g_free(gcd->apn);
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gcd->apn = NULL;
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}
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static void disconnect_context(struct ofono_gprs_context *gc)
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{
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ril_gprs_context_deactivate_primary(gc, 0, NULL, NULL);
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}
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static void ril_gprs_context_call_list_changed(struct ril_msg *message,
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gpointer user_data)
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{
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struct ofono_gprs_context *gc = user_data;
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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struct ril_data_call *call = NULL;
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struct ril_data_call_list *call_list;
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gboolean active_cid_found = FALSE;
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gboolean disconnect = FALSE;
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GSList *iterator = NULL;
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call_list = g_ril_unsol_parse_data_call_list(gcd->ril, message);
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if (call_list == NULL)
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return;
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DBG("*gc: %p num calls: %d", gc, g_slist_length(call_list->calls));
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for (iterator = call_list->calls; iterator; iterator = iterator->next) {
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call = (struct ril_data_call *) iterator->data;
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if (call->cid == gcd->active_rild_cid) {
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active_cid_found = TRUE;
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DBG("found call - cid: %d", call->cid);
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if (call->active == 0) {
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DBG("call !active; notify disconnect: %d",
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call->cid);
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disconnect = TRUE;
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}
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break;
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}
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}
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if ((disconnect == TRUE || active_cid_found == FALSE)
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&& gcd->state != STATE_IDLE) {
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ofono_info("Clearing active context; disconnect: %d"
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" active_cid_found: %d active_ctx_cid: %d",
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disconnect, active_cid_found, gcd->active_ctx_cid);
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ofono_gprs_context_deactivated(gc, gcd->active_ctx_cid);
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set_context_disconnected(gcd);
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}
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g_ril_unsol_free_data_call_list(call_list);
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}
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static void ril_setup_data_call_cb(struct ril_msg *message, gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_gprs_context_cb_t cb = cbd->cb;
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struct ofono_gprs_context *gc = cbd->user;
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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struct ril_data_call *call = NULL;
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struct ril_data_call_list *call_list = NULL;
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DBG("*gc: %p", gc);
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if (message->error != RIL_E_SUCCESS) {
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ofono_error("%s: setup data call failed for apn: %s - %s",
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__func__, gcd->apn,
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ril_error_to_string(message->error));
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set_context_disconnected(gcd);
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goto error;
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}
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call_list = g_ril_unsol_parse_data_call_list(gcd->ril, message);
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if (call_list == NULL) {
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/* parsing failed, need to actually disconnect */
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disconnect_context(gc);
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goto error;
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}
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if (g_slist_length(call_list->calls) != 1) {
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ofono_error("%s: setup_data_call reply for apn: %s,"
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" includes %d calls",
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__func__, gcd->apn,
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g_slist_length(call_list->calls));
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disconnect_context(gc);
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goto error;
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}
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call = (struct ril_data_call *) call_list->calls->data;
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/* Check for valid DNS settings, except for MMS contexts */
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if (gcd->type != OFONO_GPRS_CONTEXT_TYPE_MMS
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&& (call->dns_addrs == NULL
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|| g_strv_length(call->dns_addrs) == 0)) {
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ofono_error("%s: no DNS in context of type %d",
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__func__, gcd->type);
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disconnect_context(gc);
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goto error;
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}
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if (call->status != PDP_FAIL_NONE) {
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ofono_error("%s: reply->status for apn: %s, is non-zero: %s",
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__func__, gcd->apn,
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ril_pdp_fail_to_string(call->status));
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set_context_disconnected(gcd);
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goto error;
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}
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gcd->active_rild_cid = call->cid;
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gcd->state = STATE_ACTIVE;
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ofono_gprs_context_set_interface(gc, call->ifname);
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ofono_gprs_context_set_ipv4_netmask(gc,
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ril_util_get_netmask(call->ip_addr));
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ofono_gprs_context_set_ipv4_address(gc, call->ip_addr, TRUE);
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ofono_gprs_context_set_ipv4_gateway(gc, call->gateways[0]);
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ofono_gprs_context_set_ipv4_dns_servers(gc,
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(const char **) call->dns_addrs);
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g_ril_unsol_free_data_call_list(call_list);
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/* activate listener for data call changed events.... */
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gcd->call_list_id =
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g_ril_register(gcd->ril,
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RIL_UNSOL_DATA_CALL_LIST_CHANGED,
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ril_gprs_context_call_list_changed, gc);
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CALLBACK_WITH_SUCCESS(cb, cbd->data);
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return;
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error:
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g_ril_unsol_free_data_call_list(call_list);
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CALLBACK_WITH_FAILURE(cb, cbd->data);
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}
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static void ril_gprs_context_activate_primary(struct ofono_gprs_context *gc,
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const struct ofono_gprs_primary_context *ctx,
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ofono_gprs_context_cb_t cb, void *data)
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{
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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struct ofono_modem *modem = ofono_gprs_context_get_modem(gc);
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struct ofono_atom *gprs_atom =
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__ofono_modem_find_atom(modem, OFONO_ATOM_TYPE_GPRS);
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struct ofono_gprs *gprs = NULL;
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struct ril_gprs_data *gd = NULL;
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struct cb_data *cbd = cb_data_new(cb, data, gc);
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struct req_setup_data_call request;
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struct parcel rilp;
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struct ofono_error error;
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int ret = 0;
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g_assert(gprs_atom != NULL);
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gprs = __ofono_atom_get_data(gprs_atom);
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g_assert(gprs != NULL);
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gd = ofono_gprs_get_data(gprs);
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g_assert(gd != NULL);
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/*
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* 0: CDMA 1: GSM/UMTS, 2...
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* anything 2+ is a RadioTechnology value +2
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*/
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DBG("*gc: %p activating cid: %d; curr_tech: %d", gc, ctx->cid,
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gd->tech);
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if (gd->tech == RADIO_TECH_UNKNOWN) {
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ofono_error("%s: radio tech for apn: %s UNKNOWN!", __func__,
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gcd->apn);
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request.tech = 1;
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} else {
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request.tech = gd->tech + 2;
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}
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/*
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* TODO: add comments about tethering, other non-public
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* profiles...
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*/
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if (g_ril_vendor(gcd->ril) == OFONO_RIL_VENDOR_MTK &&
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gcd->type == OFONO_GPRS_CONTEXT_TYPE_MMS)
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request.data_profile = RIL_DATA_PROFILE_MTK_MMS;
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else
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request.data_profile = RIL_DATA_PROFILE_DEFAULT;
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request.apn = g_strdup(ctx->apn);
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request.username = g_strdup(ctx->username);
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request.password = g_strdup(ctx->password);
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/*
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* We do the same as in $AOSP/frameworks/opt/telephony/src/java/com/
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* android/internal/telephony/dataconnection/DataConnection.java,
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* onConnect(), and use authentication or not depending on whether
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* the user field is empty or not.
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*/
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if (request.username != NULL && request.username[0] != '\0')
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request.auth_type = RIL_AUTH_BOTH;
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else
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request.auth_type = RIL_AUTH_NONE;
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request.protocol = ctx->proto;
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request.req_cid = ctx->cid;
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if (g_ril_request_setup_data_call(gcd->ril,
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&request,
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&rilp,
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&error) == FALSE) {
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ofono_error("%s: couldn't build SETUP_DATA_CALL"
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" request for apn: %s.",
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__func__, request.apn);
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goto error;
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}
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gcd->active_ctx_cid = ctx->cid;
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gcd->state = STATE_ENABLING;
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gcd->apn = g_strdup(ctx->apn);
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ret = g_ril_send(gcd->ril, RIL_REQUEST_SETUP_DATA_CALL, &rilp,
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ril_setup_data_call_cb, cbd, g_free);
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error:
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g_free(request.apn);
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g_free(request.username);
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g_free(request.password);
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if (ret == 0) {
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ofono_error("%s: send SETUP_DATA_CALL failed for apn: %s.",
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__func__, gcd->apn);
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set_context_disconnected(gcd);
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, data);
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}
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}
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static gboolean reset_modem(gpointer data)
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{
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/* TODO call mtk_reset_modem when driver is upstreamed */
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return FALSE;
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}
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static gboolean retry_deactivate(gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_gprs_context_cb_t cb = cbd->cb;
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struct ofono_gprs_context *gc = cbd->user;
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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struct req_deactivate_data_call request;
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struct parcel rilp;
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struct ofono_error error;
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gcd->retry_ev_id = 0;
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/* We might have received a call list update while waiting */
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if (gcd->state == STATE_IDLE) {
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if (cb)
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CALLBACK_WITH_SUCCESS(cb, cbd->data);
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g_free(cbd);
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return FALSE;
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}
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request.cid = gcd->active_rild_cid;
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request.reason = RIL_DEACTIVATE_DATA_CALL_NO_REASON;
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g_ril_request_deactivate_data_call(gcd->ril, &request, &rilp, &error);
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if (g_ril_send(gcd->ril, RIL_REQUEST_DEACTIVATE_DATA_CALL, &rilp,
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ril_deactivate_data_call_cb, cbd, g_free) == 0) {
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ofono_error("%s: send DEACTIVATE_DATA_CALL failed for apn: %s",
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__func__, gcd->apn);
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if (cb)
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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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return FALSE;
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}
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static void ril_deactivate_data_call_cb(struct ril_msg *message,
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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_gprs_context_cb_t cb = cbd->cb;
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struct ofono_gprs_context *gc = cbd->user;
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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gint active_ctx_cid;
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DBG("*gc: %p", gc);
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if (message->error == RIL_E_SUCCESS) {
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g_ril_print_response_no_args(gcd->ril, message);
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active_ctx_cid = gcd->active_ctx_cid;
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set_context_disconnected(gcd);
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/*
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* If the deactivate was a result of a data network detach or of
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* an error in data call establishment, there won't be call
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* back, so _deactivated() needs to be called directly.
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*/
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if (cb)
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CALLBACK_WITH_SUCCESS(cb, cbd->data);
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else
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ofono_gprs_context_deactivated(gc, active_ctx_cid);
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} else {
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ofono_error("%s: reply failure for apn: %s - %s",
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__func__, gcd->apn,
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ril_error_to_string(message->error));
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/*
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* It has been detected that some modems fail the deactivation
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* temporarily. We do retries to handle that case.
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*/
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if (--(gcd->deact_retries) > 0) {
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gcd->retry_cbd = cb_data_new(cb, cbd->data, gc);
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gcd->retry_ev_id =
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g_timeout_add_seconds(
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TIME_BETWEEN_DEACT_RETRIES_S,
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retry_deactivate, gcd->retry_cbd);
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} else {
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ofono_error("%s: retry limit hit", __func__);
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if (cb)
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CALLBACK_WITH_FAILURE(cb, cbd->data);
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/*
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* Reset modem if MTK. TODO Failures deactivating a
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* context have not been reported for other modems, but
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* it would be good to have a generic method to force an
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* internal reset nonetheless.
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*/
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if (gcd->vendor == OFONO_RIL_VENDOR_MTK)
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gcd->reset_ev_id = g_idle_add(reset_modem, gcd);
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}
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}
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}
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static void ril_gprs_context_deactivate_primary(struct ofono_gprs_context *gc,
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unsigned int id,
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ofono_gprs_context_cb_t cb, void *data)
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{
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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struct cb_data *cbd = NULL;
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struct parcel rilp;
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struct req_deactivate_data_call request;
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struct ofono_error error;
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int ret = 0;
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DBG("*gc: %p cid: %d active_rild_cid: %d", gc, id,
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gcd->active_rild_cid);
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if (gcd->state == STATE_IDLE || gcd->state == STATE_DISABLING) {
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/* nothing to do */
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if (cb) {
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CALLBACK_WITH_SUCCESS(cb, data);
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g_free(cbd);
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}
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return;
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}
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cbd = cb_data_new(cb, data, gc);
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gcd->state = STATE_DISABLING;
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if (g_ril_unregister(gcd->ril, gcd->call_list_id) == FALSE) {
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ofono_warn("%s: couldn't remove call_list listener"
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" for apn: %s.",
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__func__, gcd->apn);
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}
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request.cid = gcd->active_rild_cid;
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request.reason = RIL_DEACTIVATE_DATA_CALL_NO_REASON;
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if (g_ril_request_deactivate_data_call(gcd->ril, &request,
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&rilp, &error) == FALSE) {
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ofono_error("%s: couldn't build DEACTIVATE_DATA_CALL"
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" request for apn: %s.",
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__func__, gcd->apn);
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goto error;
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}
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gcd->deact_retries = NUM_DEACTIVATION_RETRIES;
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ret = g_ril_send(gcd->ril, RIL_REQUEST_DEACTIVATE_DATA_CALL, &rilp,
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ril_deactivate_data_call_cb, cbd, g_free);
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error:
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if (ret == 0) {
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/* TODO: should we force state to disconnected here? */
|
|
|
|
ofono_error("%s: send DEACTIVATE_DATA_CALL failed for apn: %s",
|
|
__func__, gcd->apn);
|
|
g_free(cbd);
|
|
if (cb)
|
|
CALLBACK_WITH_FAILURE(cb, data);
|
|
}
|
|
}
|
|
|
|
static void ril_gprs_context_detach_shutdown(struct ofono_gprs_context *gc,
|
|
unsigned int id)
|
|
{
|
|
DBG("*gc: %p cid: %d", gc, id);
|
|
|
|
ril_gprs_context_deactivate_primary(gc, 0, NULL, NULL);
|
|
}
|
|
|
|
static int ril_gprs_context_probe(struct ofono_gprs_context *gc,
|
|
unsigned int vendor, void *data)
|
|
{
|
|
struct ril_gprs_context_data *ril_data = data;
|
|
struct gprs_context_data *gcd;
|
|
|
|
DBG("*gc: %p", gc);
|
|
|
|
gcd = g_try_new0(struct gprs_context_data, 1);
|
|
if (gcd == NULL)
|
|
return -ENOMEM;
|
|
|
|
gcd->ril = g_ril_clone(ril_data->gril);
|
|
gcd->modem = ril_data->modem;
|
|
gcd->vendor = vendor;
|
|
set_context_disconnected(gcd);
|
|
gcd->call_list_id = -1;
|
|
gcd->type = ril_data->type;
|
|
|
|
ofono_gprs_context_set_data(gc, gcd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void ril_gprs_context_remove(struct ofono_gprs_context *gc)
|
|
{
|
|
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
|
|
|
|
DBG("*gc: %p", gc);
|
|
|
|
if (gcd->state != STATE_IDLE && gcd->state != STATE_DISABLING) {
|
|
struct req_deactivate_data_call request;
|
|
struct parcel rilp;
|
|
struct ofono_error error;
|
|
|
|
request.cid = gcd->active_rild_cid;
|
|
request.reason = RIL_DEACTIVATE_DATA_CALL_NO_REASON;
|
|
g_ril_request_deactivate_data_call(gcd->ril, &request,
|
|
&rilp, &error);
|
|
|
|
g_ril_send(gcd->ril, RIL_REQUEST_DEACTIVATE_DATA_CALL,
|
|
&rilp, NULL, NULL, NULL);
|
|
}
|
|
|
|
if (gcd->retry_ev_id > 0) {
|
|
g_source_remove(gcd->retry_ev_id);
|
|
g_free(gcd->retry_cbd);
|
|
}
|
|
|
|
if (gcd->reset_ev_id > 0)
|
|
g_source_remove(gcd->reset_ev_id);
|
|
|
|
ofono_gprs_context_set_data(gc, NULL);
|
|
|
|
g_ril_unref(gcd->ril);
|
|
g_free(gcd);
|
|
}
|
|
|
|
static struct ofono_gprs_context_driver driver = {
|
|
.name = RILMODEM,
|
|
.probe = ril_gprs_context_probe,
|
|
.remove = ril_gprs_context_remove,
|
|
.activate_primary = ril_gprs_context_activate_primary,
|
|
.deactivate_primary = ril_gprs_context_deactivate_primary,
|
|
.detach_shutdown = ril_gprs_context_detach_shutdown,
|
|
};
|
|
|
|
void ril_gprs_context_init(void)
|
|
{
|
|
ofono_gprs_context_driver_register(&driver);
|
|
}
|
|
|
|
void ril_gprs_context_exit(void)
|
|
{
|
|
ofono_gprs_context_driver_unregister(&driver);
|
|
}
|