mirror of git://git.sysmocom.de/ofono
drivers: gemalto: add gprs-context driver
Some gemalto modems provide USB ethernet interfaces for data path. Implement gprs-context driver for such modems to send data via USB ethernet rather than fallback to PPP.master
Sergey Matyukevich
Denis Kenzior
parent
288f263ab6
commit
da1ef6588b
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@ -482,7 +482,8 @@ builtin_sources += drivers/atmodem/atutil.h \
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drivers/gemaltomodem/gemaltomodem.h \
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drivers/gemaltomodem/gemaltomodem.c \
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drivers/gemaltomodem/location-reporting.c \
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drivers/gemaltomodem/voicecall.c
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drivers/gemaltomodem/voicecall.c \
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drivers/gemaltomodem/gprs-context.c
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builtin_modules += xmm7modem
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builtin_sources += drivers/atmodem/atutil.h \
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@ -36,6 +36,7 @@
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static int gemaltomodem_init(void)
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{
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gemalto_location_reporting_init();
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gemalto_gprs_context_init();
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gemalto_voicecall_init();
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return 0;
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@ -43,8 +44,9 @@ static int gemaltomodem_init(void)
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static void gemaltomodem_exit(void)
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{
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gemalto_voicecall_exit();
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gemalto_location_reporting_exit();
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gemalto_gprs_context_exit();
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gemalto_voicecall_exit();
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}
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OFONO_PLUGIN_DEFINE(gemaltomodem, "Gemalto modem driver", VERSION,
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@ -27,3 +27,6 @@ extern void gemalto_location_reporting_exit();
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extern void gemalto_voicecall_init();
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extern void gemalto_voicecall_exit();
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extern void gemalto_gprs_context_init();
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extern void gemalto_gprs_context_exit();
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@ -0,0 +1,278 @@
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/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2020 Sergey Matyukevich. 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 <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 "gatchat.h"
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#include "gatresult.h"
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#include "gattty.h"
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#include "gemaltomodem.h"
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static const char *none_prefix[] = { NULL };
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struct gprs_context_data {
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GAtChat *chat;
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unsigned int active_context;
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ofono_gprs_context_cb_t cb;
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void *cb_data;
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};
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static void cgact_enable_cb(gboolean ok, GAtResult *result,
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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 ofono_modem *modem;
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const char *interface;
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char buf[64];
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DBG("ok %d", ok);
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if (!ok) {
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struct ofono_error error;
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gcd->active_context = 0;
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decode_at_error(&error, g_at_result_final_response(result));
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gcd->cb(&error, gcd->cb_data);
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return;
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}
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snprintf(buf, sizeof(buf), "AT^SWWAN=1,%u", gcd->active_context);
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g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL);
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modem = ofono_gprs_context_get_modem(gc);
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interface = ofono_modem_get_string(modem, "NetworkInterface");
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ofono_gprs_context_set_interface(gc, interface);
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/* Use DHCP */
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ofono_gprs_context_set_ipv4_address(gc, NULL, 0);
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CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
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}
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static void cgdcont_enable_cb(gboolean ok, GAtResult *result,
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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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char buf[64];
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DBG("ok %d", ok);
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if (!ok) {
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struct ofono_error error;
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gcd->active_context = 0;
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decode_at_error(&error, g_at_result_final_response(result));
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gcd->cb(&error, gcd->cb_data);
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return;
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}
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snprintf(buf, sizeof(buf), "AT+CGACT=1,%u", gcd->active_context);
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if (g_at_chat_send(gcd->chat, buf, none_prefix,
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cgact_enable_cb, gc, NULL) == 0)
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goto error;
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return;
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error:
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CALLBACK_WITH_FAILURE(gcd->cb, gcd->cb_data);
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}
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static void gemalto_gprs_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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char buf[OFONO_GPRS_MAX_APN_LENGTH + 128];
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int len = 0;
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DBG("cid %u", ctx->cid);
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/* IPv6 support not implemented */
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if (ctx->proto != OFONO_GPRS_PROTO_IP)
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goto error;
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gcd->active_context = ctx->cid;
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gcd->cb_data = data;
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gcd->cb = cb;
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len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IP\"", ctx->cid);
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if (ctx->apn)
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snprintf(buf + len, sizeof(buf) - len - 3, ",\"%s\"", ctx->apn);
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if (g_at_chat_send(gcd->chat, buf, none_prefix,
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cgdcont_enable_cb, gc, NULL) == 0)
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goto error;
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return;
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error:
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CALLBACK_WITH_FAILURE(cb, data);
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}
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static void cgact_disable_cb(gboolean ok, GAtResult *result,
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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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char buf[64];
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DBG("ok %d", ok);
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if (!ok) {
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CALLBACK_WITH_FAILURE(gcd->cb, gcd->cb_data);
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return;
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}
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snprintf(buf, sizeof(buf), "AT^SWWAN=0,%u", gcd->active_context);
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g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL);
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gcd->active_context = 0;
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CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
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}
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static void gemalto_gprs_deactivate_primary(struct ofono_gprs_context *gc,
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unsigned int cid,
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ofono_gprs_context_cb_t cb,
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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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char buf[64];
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DBG("cid %u", cid);
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gcd->cb = cb;
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gcd->cb_data = data;
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snprintf(buf, sizeof(buf), "AT+CGACT=0,%u", cid);
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if (g_at_chat_send(gcd->chat, buf, none_prefix,
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cgact_disable_cb, gc, NULL) == 0)
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goto error;
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return;
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error:
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CALLBACK_WITH_FAILURE(cb, data);
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}
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static void cgev_notify(GAtResult *result, 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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GAtResultIter iter;
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const char *event;
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gint cid;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CGEV:"))
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return;
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if (!g_at_result_iter_next_unquoted_string(&iter, &event))
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return;
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if (g_str_has_prefix(event, "NW PDN DEACT"))
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sscanf(event, "%*s %*s %*s %u", &cid);
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else if (g_str_has_prefix(event, "NW DEACT"))
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sscanf(event, "%*s %*s %u", &cid);
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else
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return;
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DBG("cid %d, active cid: %d", cid, gcd->active_context);
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if ((unsigned int) cid != gcd->active_context)
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return;
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ofono_gprs_context_deactivated(gc, gcd->active_context);
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gcd->active_context = 0;
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}
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static int gemalto_gprs_context_probe(struct ofono_gprs_context *gc,
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unsigned int vendor, void *data)
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{
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GAtChat *chat = data;
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struct gprs_context_data *gcd;
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DBG("");
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gcd = g_new0(struct gprs_context_data, 1);
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gcd->chat = g_at_chat_clone(chat);
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ofono_gprs_context_set_data(gc, gcd);
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g_at_chat_register(chat, "+CGEV:", cgev_notify, FALSE, gc, NULL);
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return 0;
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}
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static void gemalto_gprs_context_remove(struct ofono_gprs_context *gc)
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{
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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DBG("");
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ofono_gprs_context_set_data(gc, NULL);
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g_at_chat_unref(gcd->chat);
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g_free(gcd);
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}
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static const struct ofono_gprs_context_driver driver = {
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.name = "gemaltomodem",
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.probe = gemalto_gprs_context_probe,
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.remove = gemalto_gprs_context_remove,
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.activate_primary = gemalto_gprs_activate_primary,
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.deactivate_primary = gemalto_gprs_deactivate_primary,
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};
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void gemalto_gprs_context_init(void)
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{
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ofono_gprs_context_driver_register(&driver);
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}
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void gemalto_gprs_context_exit(void)
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{
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ofono_gprs_context_driver_unregister(&driver);
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}
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