mirror of git://git.sysmocom.de/ofono
507 lines
11 KiB
C
507 lines
11 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <inttypes.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.h>
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#include <ofono/gprs-context.h>
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#include <gisi/client.h>
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#include <gisi/iter.h>
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#include "isimodem.h"
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#include "isiutil.h"
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#include "gpds.h"
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#include "info.h"
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#include "debug.h"
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/* 27.007 Section 10.1.20 <stat> */
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enum network_registration_status {
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GPRS_STAT_NOT_REGISTERED = 0,
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GPRS_STAT_REGISTERED = 1,
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GPRS_STAT_SEARCHING = 2,
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GPRS_STAT_DENIED = 3,
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GPRS_STAT_UNKNOWN = 4,
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GPRS_STAT_ROAMING = 5
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};
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struct gprs_data {
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GIsiClient *client;
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GIsiClient *info_client;
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};
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static void configure_resp_cb(const GIsiMessage *msg, void *opaque)
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{
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const uint8_t *data = g_isi_msg_data(msg);
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if (g_isi_msg_error(msg) < 0) {
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DBG("ISI message error: %d", g_isi_msg_error(msg));
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return;
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}
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if (g_isi_msg_id(msg) != GPDS_CONFIGURE_RESP)
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return;
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if (g_isi_msg_data_len(msg) < 1)
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return;
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if (data[0] != GPDS_OK)
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DBG("GPDS configure failed: %s", gpds_status_name(data[0]));
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}
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static void set_attach_mode(struct ofono_gprs *gprs, int attached)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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const unsigned char msg[] = {
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GPDS_CONFIGURE_REQ,
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attached ? GPDS_ATTACH_MODE_AUTOMATIC : GPDS_ATTACH_MODE_MANUAL,
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GPDS_MT_ACT_MODE_REJECT,
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GPDS_CLASSC_MODE_DEFAULT,
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GPDS_AOL_CTX_DEFAULT,
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0x00,
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0x00
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};
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if (g_isi_client_send(gd->client, msg, sizeof(msg),
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GPDS_TIMEOUT, configure_resp_cb,
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gprs, NULL))
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return;
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}
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static void detach_ind_cb(const GIsiMessage *msg, void *opaque)
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{
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struct ofono_gprs *gprs = opaque;
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const uint8_t *data = g_isi_msg_data(msg);
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if (g_isi_msg_error(msg) < 0)
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return;
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if (g_isi_msg_id(msg) != GPDS_DETACH_IND)
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return;
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if (g_isi_msg_data_len(msg) < 2)
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return;
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DBG("detached: %s (0x%02"PRIx8")",
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gpds_isi_cause_name(data[0]), data[0]);
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set_attach_mode(gprs, FALSE);
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ofono_gprs_detached_notify(gprs);
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}
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static void suspend_notify(struct ofono_gprs *gprs, uint8_t suspend_status,
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uint8_t suspend_cause)
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{
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int cause;
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DBG("transfer status: %s (0x%02"PRIx8") cause %s (0x%02"PRIx8")",
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gpds_transfer_status_name(suspend_status), suspend_status,
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gpds_transfer_cause_name(suspend_cause), suspend_cause);
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if (suspend_status == GPDS_TRANSFER_AVAIL) {
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ofono_gprs_resume_notify(gprs);
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return;
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}
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switch (suspend_cause) {
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case GPDS_TRANSFER_CAUSE_SUSPENDED_NO_COVERAGE:
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cause = GPRS_SUSPENDED_NO_COVERAGE;
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break;
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case GPDS_TRANSFER_CAUSE_SUSPENDED_CALL:
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cause = GPRS_SUSPENDED_CALL;
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break;
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case GPDS_TRANSFER_CAUSE_SUSPENDED_CALL_SMS:
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case GPDS_TRANSFER_CAUSE_SUSPENDED_RAU:
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case GPDS_TRANSFER_CAUSE_SUSPENDED_LU:
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cause = GPRS_SUSPENDED_SIGNALLING;
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break;
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default:
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return;
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}
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ofono_gprs_suspend_notify(gprs, cause);
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}
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static void transfer_status_ind_cb(const GIsiMessage *msg, void *opaque)
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{
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struct ofono_gprs *gprs = opaque;
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const uint8_t *data = g_isi_msg_data(msg);
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if (g_isi_msg_error(msg) < 0)
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return;
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if (g_isi_msg_id(msg) != GPDS_TRANSFER_STATUS_IND)
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return;
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if (g_isi_msg_data_len(msg) < 2)
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return;
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suspend_notify(gprs, data[0], data[1]);
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}
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static void create_contexts(struct ofono_gprs *gprs, int count)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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GIsiModem *modem = g_isi_client_modem(gd->client);
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struct ofono_modem *omodem = g_isi_modem_get_userdata(modem);
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struct ofono_gprs_context *gc;
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int i;
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for (i = 0; i < count; i++) {
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gc = ofono_gprs_context_create(omodem, 0, "isimodem", modem);
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if (!gc)
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break;
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ofono_gprs_add_context(gprs, gc);
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}
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ofono_gprs_set_cid_range(gprs, 1, i);
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DBG("%d GPRS contexts created", count);
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}
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static void info_pp_read_resp_cb(const GIsiMessage *msg, void *opaque)
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{
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struct ofono_gprs *gprs = opaque;
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uint8_t count = GPDS_MAX_CONTEXT_COUNT;
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GIsiSubBlockIter iter;
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if (g_isi_msg_error(msg) < 0)
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goto out;
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if (g_isi_msg_id(msg) != INFO_PP_READ_RESP)
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goto out;
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for (g_isi_sb_iter_init(&iter, msg, 2); g_isi_sb_iter_is_valid(&iter);
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g_isi_sb_iter_next(&iter)) {
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switch (g_isi_sb_iter_get_id(&iter)) {
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case INFO_SB_PP: {
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guint16 fea;
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guint8 n;
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unsigned pp;
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if (!g_isi_sb_iter_get_byte(&iter, &n, 1))
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goto out;
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for (pp = 4; n--; pp += 2) {
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if (!g_isi_sb_iter_get_word(&iter, &fea, pp))
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goto out;
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if ((fea >> 8) != INFO_PP_MAX_PDP_CONTEXTS)
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goto out;
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count = fea & 0xff;
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break;
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}
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break;
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}
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default:
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break;
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}
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}
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out:
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create_contexts(gprs, count);
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}
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static void gpds_reachable_cb(const GIsiMessage *msg, void *opaque)
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{
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struct ofono_gprs *gprs = opaque;
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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GIsiModem *modem = g_isi_client_modem(gd->client);
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const unsigned char req[] = {
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INFO_PP_READ_REQ,
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0, /* filler */
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1, /* subblocks */
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INFO_SB_PP,
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8, /* subblock length */
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0,
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1, /* N */
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INFO_PP_MAX_PDP_CONTEXTS, /* PP feature */
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0, /* PP value */
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0, /* filler */
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0 /* filler */
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};
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if (g_isi_msg_error(msg) < 0) {
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DBG("unable to bootstrap gprs driver");
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return;
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}
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ISI_VERSION_DBG(msg);
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g_isi_client_ind_subscribe(gd->client, GPDS_DETACH_IND,
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detach_ind_cb, gprs);
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g_isi_client_ind_subscribe(gd->client, GPDS_TRANSFER_STATUS_IND,
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transfer_status_ind_cb, gprs);
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ofono_gprs_register(gprs);
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gd->info_client = g_isi_client_create(modem, PN_PHONE_INFO);
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if (!gd->info_client) {
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create_contexts(gprs, GPDS_MAX_CONTEXT_COUNT);
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return;
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}
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if (g_isi_client_send(gd->info_client, req, sizeof(req),
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GPDS_TIMEOUT, info_pp_read_resp_cb,
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gprs, NULL))
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return;
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}
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static int isi_gprs_probe(struct ofono_gprs *gprs,
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unsigned int vendor, void *user)
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{
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GIsiModem *modem = user;
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struct gprs_data *gd = g_try_new0(struct gprs_data, 1);
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if (gd == NULL)
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return -ENOMEM;
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gd->client = g_isi_client_create(modem, PN_GPDS);
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if (gd->client == NULL) {
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g_free(gd);
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return -ENOMEM;
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}
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ofono_gprs_set_data(gprs, gd);
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g_isi_client_verify(gd->client, gpds_reachable_cb, gprs, NULL);
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return 0;
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}
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static void isi_gprs_remove(struct ofono_gprs *gprs)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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ofono_gprs_set_data(gprs, NULL);
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if (gd == NULL)
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return;
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g_isi_client_destroy(gd->client);
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g_isi_client_destroy(gd->info_client);
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g_free(gd);
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}
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static void attach_resp_cb(const GIsiMessage *msg, void *opaque)
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{
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struct isi_cb_data *cbd = opaque;
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ofono_gprs_cb_t cb = cbd->cb;
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const uint8_t *data = g_isi_msg_data(msg);
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if (g_isi_msg_error(msg) < 0) {
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DBG("ISI message error: %d", g_isi_msg_error(msg));
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goto error;
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}
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if (g_isi_msg_id(msg) != GPDS_ATTACH_RESP)
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return;
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if (g_isi_msg_data_len(msg) < 2)
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goto error;
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if (data[0] != GPDS_OK) {
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DBG("attach failed: %s", gpds_status_name(data[0]));
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goto error;
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}
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set_attach_mode(cbd->user, TRUE);
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CALLBACK_WITH_SUCCESS(cb, cbd->data);
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return;
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error:
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CALLBACK_WITH_FAILURE(cb, cbd->data);
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}
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static void detach_resp_cb(const GIsiMessage *msg, void *opaque)
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{
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struct isi_cb_data *cbd = opaque;
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ofono_gprs_cb_t cb = cbd->cb;
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const uint8_t *data = g_isi_msg_data(msg);
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if (g_isi_msg_error(msg) < 0) {
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DBG("ISI client error: %d", g_isi_msg_error(msg));
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goto error;
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}
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if (g_isi_msg_id(msg) != GPDS_DETACH_RESP)
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return;
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if (g_isi_msg_data_len(msg) < 2)
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goto error;
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if (data[0] != GPDS_OK) {
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DBG("detach failed: %s", gpds_status_name(data[0]));
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goto error;
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}
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set_attach_mode(cbd->user, FALSE);
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CALLBACK_WITH_SUCCESS(cb, cbd->data);
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return;
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error:
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CALLBACK_WITH_FAILURE(cb, cbd->data);
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}
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static void isi_gprs_set_attached(struct ofono_gprs *gprs, int attached,
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ofono_gprs_cb_t cb, void *data)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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struct isi_cb_data *cbd = isi_cb_data_new(gprs, cb, data);
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if (cbd == NULL || gd == NULL)
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goto error;
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if (attached) {
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const unsigned char msg[] = {
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GPDS_ATTACH_REQ,
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GPDS_FOLLOW_OFF
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};
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if (g_isi_client_send(gd->client, msg, sizeof(msg),
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GPDS_ATTACH_TIMEOUT, attach_resp_cb,
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cbd, g_free))
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return;
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} else {
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const unsigned char msg[] = {
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GPDS_DETACH_REQ,
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0x00, /* filler */
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0x00 /* sub-blocks */
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};
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if (g_isi_client_send(gd->client, msg, sizeof(msg),
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GPDS_DETACH_TIMEOUT, detach_resp_cb,
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cbd, g_free))
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return;
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}
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error:
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CALLBACK_WITH_FAILURE(cb, data);
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g_free(cbd);
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}
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static void status_resp_cb(const GIsiMessage *msg, void *opaque)
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{
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struct isi_cb_data *cbd = opaque;
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ofono_gprs_status_cb_t cb = cbd->cb;
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struct ofono_gprs *gprs = cbd->data;
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int status;
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const uint8_t *data = g_isi_msg_data(msg);
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if (g_isi_msg_error(msg) < 0) {
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DBG("ISI message error: %d", g_isi_msg_error(msg));
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goto error;
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}
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if (g_isi_msg_id(msg) != GPDS_STATUS_RESP)
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return;
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if (g_isi_msg_data_len(msg) < 12)
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goto error;
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/* FIXME: the core still expects reg status, and not a boolean
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* attached status here.*/
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switch (data[0]) {
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case GPDS_ATTACHED:
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status = GPRS_STAT_REGISTERED;
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break;
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case GPDS_DETACHED:
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status = GPRS_STAT_NOT_REGISTERED;
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break;
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default:
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status = GPRS_STAT_UNKNOWN;
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}
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suspend_notify(gprs, data[10], data[11]);
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CALLBACK_WITH_SUCCESS(cb, status, cbd->data);
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return;
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error:
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CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
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}
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static void isi_gprs_attached_status(struct ofono_gprs *gprs,
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ofono_gprs_status_cb_t cb,
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void *data)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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struct isi_cb_data *cbd = isi_cb_data_new(NULL, cb, data);
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const unsigned char msg[] = {
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GPDS_STATUS_REQ,
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};
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if (cbd == NULL || gd == NULL)
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goto error;
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if (g_isi_client_send(gd->client, msg, sizeof(msg), GPDS_TIMEOUT,
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status_resp_cb, cbd, g_free))
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return;
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error:
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CALLBACK_WITH_FAILURE(cb, -1, data);
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g_free(cbd);
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}
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static struct ofono_gprs_driver driver = {
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.name = "isimodem",
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.probe = isi_gprs_probe,
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.remove = isi_gprs_remove,
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.set_attached = isi_gprs_set_attached,
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.attached_status = isi_gprs_attached_status,
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};
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void isi_gprs_init(void)
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{
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ofono_gprs_driver_register(&driver);
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}
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void isi_gprs_exit(void)
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{
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ofono_gprs_driver_unregister(&driver);
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}
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