qmimodem: Add support for GPRS data connection handling

1 files changed, 314 insertions, 0 deletions

diff --git a/drivers/qmimodem/gprs-context.c b/drivers/qmimodem/gprs-context.c
new file mode 100644
index 00000000..b036b8ab
--- /dev/null
+++ b/drivers/qmimodem/gprs-context.c
@@ -0,0 +1,314 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2011-2012  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/gprs-context.h>
+
+#include "qmi.h"
+#include "wds.h"
+
+#include "qmimodem.h"
+
+struct gprs_context_data {
+	struct qmi_service *wds;
+	unsigned int active_context;
+	uint32_t pkt_handle;
+};
+
+static void pkt_status_notify(struct qmi_result *result, void *user_data)
+{
+	struct ofono_gprs_context *gc = user_data;
+	struct gprs_context_data *data = ofono_gprs_context_get_data(gc);
+	const struct qmi_wds_notify_conn_status *status;
+	uint16_t len;
+	uint8_t ip_family;
+
+	DBG("");
+
+	status = qmi_result_get(result, QMI_WDS_NOTIFY_CONN_STATUS, &len);
+	if (!status)
+		return;
+
+	DBG("conn status %d", status->status);
+
+	if (qmi_result_get_uint8(result, QMI_WDS_NOTIFY_IP_FAMILY, &ip_family))
+		DBG("ip family %d", ip_family);
+
+	switch (status->status) {
+	case QMI_WDS_CONN_STATUS_DISCONNECTED:
+		ofono_gprs_context_deactivated(gc, data->active_context);
+		data->active_context = 0;
+		break;
+	}
+}
+
+static void get_settings_cb(struct qmi_result *result, void *user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_gprs_context_cb_t cb = cbd->cb;
+	struct ofono_gprs_context *gc = cbd->user;
+	struct ofono_modem *modem;
+	const char *interface;
+	uint8_t pdp_type, ip_family;
+
+	DBG("");
+
+	if (qmi_result_set_error(result, NULL))
+		goto done;
+
+	if (qmi_result_get_uint8(result, QMI_WDS_RESULT_PDP_TYPE, &pdp_type))
+		DBG("PDP type %d", pdp_type);
+
+	if (qmi_result_get_uint8(result, QMI_WDS_RESULT_IP_FAMILY, &ip_family))
+		DBG("IP family %d", ip_family);
+
+done:
+	modem = ofono_gprs_context_get_modem(gc);
+	interface = ofono_modem_get_string(modem, "NetworkInterface");
+
+	ofono_gprs_context_set_interface(gc, interface);
+
+	CALLBACK_WITH_SUCCESS(cb, cbd->data);
+
+	g_free(cbd);
+}
+
+static void start_net_cb(struct qmi_result *result, void *user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_gprs_context_cb_t cb = cbd->cb;
+	struct ofono_gprs_context *gc = cbd->user;
+	struct gprs_context_data *data = ofono_gprs_context_get_data(gc);
+	struct ofono_modem *modem;
+	const char *interface;
+	uint32_t handle;
+
+	DBG("");
+
+	if (qmi_result_set_error(result, NULL))
+		goto error;
+
+	if (!qmi_result_get_uint32(result, QMI_WDS_RESULT_PKT_HANDLE, &handle))
+		goto error;
+
+	DBG("packet handle %d", handle);
+
+	data->pkt_handle = handle;
+
+	if (qmi_service_send(data->wds, QMI_WDS_GET_SETTINGS, NULL,
+					get_settings_cb, cbd, NULL) > 0)
+		return;
+
+	modem = ofono_gprs_context_get_modem(gc);
+	interface = ofono_modem_get_string(modem, "NetworkInterface");
+
+	ofono_gprs_context_set_interface(gc, interface);
+
+	CALLBACK_WITH_SUCCESS(cb, cbd->data);
+
+	g_free(cbd);
+
+	return;
+
+error:
+	data->active_context = 0;
+
+	CALLBACK_WITH_FAILURE(cb, cbd->data);
+
+	g_free(cbd);
+}
+
+static void qmi_activate_primary(struct ofono_gprs_context *gc,
+				const struct ofono_gprs_primary_context *ctx,
+				ofono_gprs_context_cb_t cb, void *user_data)
+{
+	struct gprs_context_data *data = ofono_gprs_context_get_data(gc);
+	struct cb_data *cbd = cb_data_new(cb, user_data);
+	struct qmi_param *param;
+	uint8_t ip_family;
+
+	DBG("cid %u", ctx->cid);
+
+	cbd->user = gc;
+
+	data->active_context = ctx->cid;
+
+	switch (ctx->proto) {
+	case OFONO_GPRS_PROTO_IP:
+		ip_family = 4;
+		break;
+	case OFONO_GPRS_PROTO_IPV6:
+		ip_family = 6;
+		break;
+	default:
+		goto error;
+	}
+
+	param = qmi_param_new();
+	if (!param)
+		goto error;
+
+	qmi_param_append(param, QMI_WDS_PARAM_APN,
+					strlen(ctx->apn), ctx->apn);
+
+	qmi_param_append_uint8(param, QMI_WDS_PARAM_IP_FAMILY, ip_family);
+
+	if (qmi_service_send(data->wds, QMI_WDS_START_NET, param,
+					start_net_cb, cbd, NULL) > 0)
+		return;
+
+	qmi_param_free(param);
+
+error:
+	data->active_context = 0;
+
+	CALLBACK_WITH_FAILURE(cb, cbd->data);
+
+	g_free(cbd);
+}
+
+static void stop_net_cb(struct qmi_result *result, void *user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_gprs_context_cb_t cb = cbd->cb;
+	struct ofono_gprs_context *gc = cbd->user;
+	struct gprs_context_data *data = ofono_gprs_context_get_data(gc);
+
+	DBG("");
+
+	if (qmi_result_set_error(result, NULL)) {
+		CALLBACK_WITH_FAILURE(cb, cbd->data);
+		return;
+	}
+
+	data->active_context = 0;
+
+	data->pkt_handle = 0;
+
+	CALLBACK_WITH_SUCCESS(cb, cbd->data);
+
+	g_free(cbd);
+}
+
+static void qmi_deactivate_primary(struct ofono_gprs_context *gc,
+				unsigned int cid,
+				ofono_gprs_context_cb_t cb, void *user_data)
+{
+	struct gprs_context_data *data = ofono_gprs_context_get_data(gc);
+	struct cb_data *cbd = cb_data_new(cb, user_data);
+	struct qmi_param *param;
+
+	DBG("cid %u", cid);
+
+	cbd->user = gc;
+
+	param = qmi_param_new_uint32(QMI_WDS_PARAM_PKT_HANDLE,
+						data->pkt_handle);
+	if (!param)
+		goto error;
+
+	if (qmi_service_send(data->wds, QMI_WDS_STOP_NET, param,
+					 stop_net_cb, cbd, NULL) > 0)
+		return;
+
+	qmi_param_free(param);
+
+error:
+	CALLBACK_WITH_FAILURE(cb, cbd->data);
+
+	g_free(cbd);
+}
+
+static void create_wds_cb(struct qmi_service *service, void *user_data)
+{
+	struct ofono_gprs_context *gc = user_data;
+	struct gprs_context_data *data = ofono_gprs_context_get_data(gc);
+
+	DBG("");
+
+	if (!service) {
+		ofono_error("Failed to request WDS service");
+		ofono_gprs_context_remove(gc);
+		return;
+	}
+
+	data->wds = qmi_service_ref(service);
+
+	qmi_service_register(data->wds, QMI_WDS_PKT_STATUS_IND,
+					pkt_status_notify, gc, NULL);
+}
+
+static int qmi_gprs_context_probe(struct ofono_gprs_context *gc,
+					unsigned int vendor, void *user_data)
+{
+	struct qmi_device *device = user_data;
+	struct gprs_context_data *data;
+
+	DBG("");
+
+	data = g_new0(struct gprs_context_data, 1);
+
+	ofono_gprs_context_set_data(gc, data);
+
+	qmi_service_create(device, QMI_SERVICE_WDS, create_wds_cb, gc, NULL);
+
+	return 0;
+}
+
+static void qmi_gprs_context_remove(struct ofono_gprs_context *gc)
+{
+	struct gprs_context_data *data = ofono_gprs_context_get_data(gc);
+
+	DBG("");
+
+	ofono_gprs_context_set_data(gc, NULL);
+
+	qmi_service_unregister_all(data->wds);
+
+	qmi_service_unref(data->wds);
+
+	g_free(data);
+}
+
+static struct ofono_gprs_context_driver driver = {
+	.name			= "qmimodem",
+	.probe			= qmi_gprs_context_probe,
+	.remove			= qmi_gprs_context_remove,
+	.activate_primary	= qmi_activate_primary,
+	.deactivate_primary	= qmi_deactivate_primary,
+};
+
+void qmi_gprs_context_init(void)
+{
+	ofono_gprs_context_driver_register(&driver);
+}
+
+void qmi_gprs_context_exit(void)
+{
+	ofono_gprs_context_driver_unregister(&driver);
+}