swmodem: Add Sierra Wireless DirectIP support

3 files changed, 254 insertions, 0 deletions

diff --git a/drivers/swmodem/gprs-context.c b/drivers/swmodem/gprs-context.c
new file mode 100644
index 00000000..d9b494de
--- /dev/null
+++ b/drivers/swmodem/gprs-context.c
@@ -0,0 +1,248 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2011  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
+
+#define _GNU_SOURCE
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/gprs-context.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+#include "gattty.h"
+
+#include "swmodem.h"
+
+static const char *none_prefix[] = { NULL };
+
+struct gprs_context_data {
+	GAtChat *chat;
+	unsigned int active_context;
+	ofono_gprs_context_cb_t cb;
+	void *cb_data;
+};
+
+static void at_scact_down_cb(gboolean ok, GAtResult *result,
+						gpointer 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 *gcd = ofono_gprs_context_get_data(gc);
+	struct ofono_error error;
+
+	DBG("ok %d", ok);
+
+	if (ok) {
+		gcd->cb = cb;
+		gcd->cb_data = cbd->data;
+	}
+
+	decode_at_error(&error, g_at_result_final_response(result));
+	cb(&error, cbd->data);
+}
+
+static void at_scact_up_cb(gboolean ok, GAtResult *result,
+						gpointer 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 *gcd = ofono_gprs_context_get_data(gc);
+	struct ofono_modem *modem;
+	const char *interface;
+	char buf[64];
+
+	DBG("ok %d", ok);
+
+	if (!ok) {
+		struct ofono_error error;
+
+		gcd->active_context = 0;
+
+		decode_at_error(&error, g_at_result_final_response(result));
+		cb(&error, cbd->data);
+		return;
+	}
+
+	gcd->cb = cb;
+	gcd->cb_data = cbd->data;
+
+	snprintf(buf, sizeof(buf), "AT!SCPADDR=%u", gcd->active_context);
+	g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL);
+
+	modem = ofono_gprs_context_get_modem(gc);
+	interface = ofono_modem_get_string(modem, "NetworkInterface");
+
+	ofono_gprs_context_set_interface(gc, interface);
+	ofono_gprs_context_set_ipv4_address(gc, NULL, FALSE);
+
+	CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
+}
+
+static void at_cgdcont_cb(gboolean ok, GAtResult *result, gpointer 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 *gcd = ofono_gprs_context_get_data(gc);
+	struct cb_data *ncbd;
+	char buf[64];
+
+	DBG("ok %d", ok);
+
+	if (!ok) {
+		struct ofono_error error;
+
+		gcd->active_context = 0;
+
+		decode_at_error(&error, g_at_result_final_response(result));
+		cb(&error, cbd->data);
+		return;
+	}
+
+	ncbd = g_memdup(cbd, sizeof(struct cb_data));
+
+	snprintf(buf, sizeof(buf), "AT!SCACT=1,%u", gcd->active_context);
+
+	if (g_at_chat_send(gcd->chat, buf, none_prefix,
+				at_scact_up_cb, ncbd, g_free) > 0)
+		return;
+
+	g_free(ncbd);
+
+	gcd->active_context = 0;
+
+	CALLBACK_WITH_FAILURE(cb, cbd->data);
+}
+
+static void sw_gprs_activate_primary(struct ofono_gprs_context *gc,
+				const struct ofono_gprs_primary_context *ctx,
+				ofono_gprs_context_cb_t cb, void *data)
+{
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+	struct cb_data *cbd = cb_data_new(cb, data);
+	char buf[64];
+	int len;
+
+	DBG("cid %u", ctx->cid);
+
+	gcd->active_context = ctx->cid;
+
+	cbd->user = gc;
+
+	len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IP\"", ctx->cid);
+
+	if (ctx->apn)
+		snprintf(buf + len, sizeof(buf) - len - 3, ",\"%s\"",
+				ctx->apn);
+
+	if (g_at_chat_send(gcd->chat, buf, none_prefix,
+				at_cgdcont_cb, cbd, g_free) > 0)
+		return;
+
+	g_free(cbd);
+
+	CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static void sw_gprs_deactivate_primary(struct ofono_gprs_context *gc,
+					unsigned int cid,
+					ofono_gprs_context_cb_t cb, void *data)
+{
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+	struct cb_data *cbd = cb_data_new(cb, data);
+	char buf[128];
+
+	DBG("cid %u", cid);
+
+	cbd->user = gc;
+
+	snprintf(buf, sizeof(buf), "AT!SCACT=0,%u", cid);
+
+	if (g_at_chat_send(gcd->chat, buf, none_prefix,
+				at_scact_down_cb, cbd, g_free) > 0)
+		return;
+
+	g_free(cbd);
+
+	CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static int sw_gprs_context_probe(struct ofono_gprs_context *gc,
+					unsigned int vendor, void *data)
+{
+	GAtChat *chat = data;
+	struct gprs_context_data *gcd;
+
+	DBG("");
+
+	gcd = g_try_new0(struct gprs_context_data, 1);
+	if (gcd == NULL)
+		return -ENOMEM;
+
+	gcd->chat = g_at_chat_clone(chat);
+
+	ofono_gprs_context_set_data(gc, gcd);
+
+	return 0;
+}
+
+static void sw_gprs_context_remove(struct ofono_gprs_context *gc)
+{
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+
+	DBG("");
+
+	ofono_gprs_context_set_data(gc, NULL);
+
+	g_at_chat_unref(gcd->chat);
+	g_free(gcd);
+}
+
+static struct ofono_gprs_context_driver driver = {
+	.name			= "swmodem",
+	.probe			= sw_gprs_context_probe,
+	.remove			= sw_gprs_context_remove,
+	.activate_primary	= sw_gprs_activate_primary,
+	.deactivate_primary	= sw_gprs_deactivate_primary,
+};
+
+void sw_gprs_context_init(void)
+{
+	ofono_gprs_context_driver_register(&driver);
+}
+
+void sw_gprs_context_exit(void)
+{
+	ofono_gprs_context_driver_unregister(&driver);
+}
diff --git a/drivers/swmodem/swmodem.c b/drivers/swmodem/swmodem.c
index 789467c5..81a143ff 100644
--- a/drivers/swmodem/swmodem.c
+++ b/drivers/swmodem/swmodem.c
@@ -34,11 +34,14 @@
 
 static int swmodem_init(void)
 {
+	sw_gprs_context_init();
+
 	return 0;
 }
 
 static void swmodem_exit(void)
 {
+	sw_gprs_context_exit();
 }
 
 OFONO_PLUGIN_DEFINE(swmodem, "Sierra modem driver", VERSION,
diff --git a/drivers/swmodem/swmodem.h b/drivers/swmodem/swmodem.h
index 90deb948..c501a499 100644
--- a/drivers/swmodem/swmodem.h
+++ b/drivers/swmodem/swmodem.h
@@ -20,3 +20,6 @@
  */
 
 #include <drivers/atmodem/atutil.h>
+
+extern void sw_gprs_context_init(void);
+extern void sw_gprs_context_exit(void);