mbimmodem: Add gprs-context driver

3 files changed, 470 insertions, 0 deletions

diff --git a/drivers/mbimmodem/gprs-context.c b/drivers/mbimmodem/gprs-context.c
new file mode 100644
index 00000000..79793c92
--- /dev/null
+++ b/drivers/mbimmodem/gprs-context.c
@@ -0,0 +1,464 @@
+/*
+ *
+ *  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 <stdint.h>
+#include <stdbool.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <arpa/inet.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/gprs-context.h>
+
+#include "drivers/mbimmodem/mbim.h"
+#include "drivers/mbimmodem/mbim-message.h"
+#include "drivers/mbimmodem/mbimmodem.h"
+
+enum state {
+	STATE_IDLE,
+	STATE_ENABLING,
+	STATE_DISABLING,
+	STATE_ACTIVE,
+};
+
+struct gprs_context_data {
+	struct mbim_device *device;
+	unsigned int active_context;
+	enum ofono_gprs_proto proto;
+	enum state state;
+	ofono_gprs_context_cb_t cb;
+	void *cb_data;
+};
+
+static uint32_t proto_to_context_ip_type(enum ofono_gprs_proto proto)
+{
+	switch (proto) {
+	case OFONO_GPRS_PROTO_IP:
+		return 1; /* MBIMContextIPTypeIPv4 */
+	case OFONO_GPRS_PROTO_IPV6:
+		return 2; /* MBIMContextIPTypeIPv6 */
+	case OFONO_GPRS_PROTO_IPV4V6:
+		return 3; /* MBIMContextIPTypeIPv4v6 */
+	}
+
+	return 0;
+}
+
+static uint32_t auth_method_to_auth_protocol(enum ofono_gprs_auth_method method)
+{
+	switch (method) {
+	case OFONO_GPRS_AUTH_METHOD_CHAP:
+		return 2; /* MBIMAuthProtocolChap */
+	case OFONO_GPRS_AUTH_METHOD_PAP:
+		return 1; /* MBIMAuthProtocolPap */
+	}
+
+	return 0;
+}
+
+static void mbim_deactivate_cb(struct mbim_message *message, void *user)
+{
+	struct ofono_gprs_context *gc = user;
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+
+	DBG("");
+
+	gcd->active_context = 0;
+	gcd->state = STATE_IDLE;
+
+	if (!gcd->cb)
+		return;
+
+	if (mbim_message_get_error(message) != 0)
+		CALLBACK_WITH_FAILURE(gcd->cb, gcd->cb_data);
+	else
+		CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
+}
+
+static void mbim_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 mbim_message *message;
+
+	DBG("cid %u", cid);
+
+	gcd->state = STATE_DISABLING;
+	gcd->cb = cb;
+	gcd->cb_data = data;
+
+	message = mbim_message_new(mbim_uuid_basic_connect,
+					MBIM_CID_CONNECT,
+					MBIM_COMMAND_TYPE_SET);
+	mbim_message_set_arguments(message, "uusssuuu16y",
+					cid, 0, NULL, NULL, NULL, 0, 0, 0,
+					mbim_context_type_internet);
+
+	if (mbim_device_send(gcd->device, GPRS_CONTEXT_GROUP, message,
+				mbim_deactivate_cb, gc, NULL) > 0)
+		return;
+
+	mbim_message_unref(message);
+
+	if (cb)
+		CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static void mbim_ip_configuration_cb(struct mbim_message *message, void *user)
+{
+	struct ofono_gprs_context *gc = user;
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+	struct ofono_modem *modem = ofono_gprs_context_get_modem(gc);
+	const char *interface;
+	uint32_t session_id;
+	uint32_t ipv4_config_available;
+	uint32_t ipv6_config_available;
+	uint32_t n_ipv4_addr;
+	uint32_t ipv4_addr_offset;
+	uint32_t n_ipv6_addr;
+	uint32_t ipv6_addr_offset;
+	uint32_t ipv4_gw_offset;
+	uint32_t ipv6_gw_offset;
+	uint32_t n_ipv4_dns;
+	uint32_t ipv4_dns_offset;
+	uint32_t n_ipv6_dns;
+	uint32_t ipv6_dns_offset;
+	uint32_t ipv4_mtu;
+	uint32_t ipv6_mtu;
+
+	struct in6_addr ipv6;
+	struct in_addr ipv4;
+	char buf[INET6_ADDRSTRLEN];
+
+	DBG("%u", mbim_message_get_error(message));
+
+	if (mbim_message_get_error(message) != 0)
+		goto error;
+
+	if (!mbim_message_get_arguments(message, "uuuuuuuuuuuuuuu",
+				&session_id,
+				&ipv4_config_available, &ipv6_config_available,
+				&n_ipv4_addr, &ipv4_addr_offset,
+				&n_ipv6_addr, &ipv6_addr_offset,
+				&ipv4_gw_offset, &ipv6_gw_offset,
+				&n_ipv4_dns, &ipv4_dns_offset,
+				&n_ipv6_dns, &ipv6_dns_offset,
+				&ipv4_mtu, &ipv6_mtu))
+		goto error;
+
+	if (gcd->proto == OFONO_GPRS_PROTO_IPV6)
+		goto ipv6;
+
+	if (ipv4_config_available & 0x1) { /* Address Info present */
+		uint32_t prefix;
+
+		if (!mbim_message_get_ipv4_element(message, ipv4_addr_offset,
+							&prefix, &ipv4))
+			goto error;
+
+		inet_ntop(AF_INET, &ipv4, buf, sizeof(buf));
+		ofono_gprs_context_set_ipv4_address(gc, buf, TRUE);
+		ofono_gprs_context_set_ipv4_prefix_length(gc, prefix);
+	} else
+		ofono_gprs_context_set_ipv4_address(gc, NULL, FALSE);
+
+	if (ipv4_config_available & 0x2) { /* IPv4 Gateway info */
+		if (!mbim_message_get_ipv4_address(message,
+							ipv4_gw_offset, &ipv4))
+			goto error;
+
+		inet_ntop(AF_INET, &ipv4, buf, sizeof(buf));
+
+		ofono_gprs_context_set_ipv4_gateway(gc, buf);
+	}
+
+	if (ipv4_config_available & 0x3) { /* IPv4 DNS Info */
+		const char *dns[3];
+		char dns1[INET_ADDRSTRLEN];
+		char dns2[INET_ADDRSTRLEN];
+
+		memset(dns, 0, sizeof(dns));
+
+		if (n_ipv4_dns > 1) { /* Grab second DNS */
+			if (!mbim_message_get_ipv4_address(message,
+							ipv4_dns_offset + 4,
+							&ipv4))
+				goto error;
+
+			inet_ntop(AF_INET, &ipv4, dns2, sizeof(dns2));
+			dns[1] = dns2;
+		}
+
+		if (n_ipv4_dns > 0) { /* Grab first DNS */
+			if (!mbim_message_get_ipv4_address(message,
+							ipv4_dns_offset,
+							&ipv4))
+				goto error;
+
+			inet_ntop(AF_INET, &ipv4, dns1, sizeof(dns1));
+			dns[0] = dns1;
+
+			ofono_gprs_context_set_ipv4_dns_servers(gc, dns);
+		}
+	}
+
+	if (gcd->proto == OFONO_GPRS_PROTO_IP)
+		goto done;
+ipv6:
+	if (ipv6_config_available & 0x1) { /* Address Info present */
+		uint32_t prefix;
+
+		if (!mbim_message_get_ipv6_element(message, ipv6_addr_offset,
+							&prefix, &ipv6))
+			goto error;
+
+		inet_ntop(AF_INET6, &ipv6, buf, sizeof(buf));
+		ofono_gprs_context_set_ipv6_address(gc, buf);
+		ofono_gprs_context_set_ipv6_prefix_length(gc, prefix);
+	}
+
+	if (ipv6_config_available & 0x2) { /* IPv6 Gateway info */
+		if (!mbim_message_get_ipv6_address(message,
+							ipv6_gw_offset, &ipv6))
+			goto error;
+
+		inet_ntop(AF_INET6, &ipv6, buf, sizeof(buf));
+
+		ofono_gprs_context_set_ipv6_gateway(gc, buf);
+	}
+
+	if (ipv6_config_available & 0x3) { /* IPv6 DNS Info */
+		const char *dns[3];
+		char dns1[INET6_ADDRSTRLEN];
+		char dns2[INET6_ADDRSTRLEN];
+
+		memset(dns, 0, sizeof(dns));
+
+		if (n_ipv6_dns > 1) { /* Grab second DNS */
+			if (!mbim_message_get_ipv6_address(message,
+							ipv6_dns_offset + 16,
+							&ipv6))
+				goto error;
+
+			inet_ntop(AF_INET6, &ipv6, dns2, sizeof(dns2));
+			dns[1] = dns2;
+		}
+
+		if (n_ipv6_dns > 0) { /* Grab first DNS */
+			if (!mbim_message_get_ipv6_address(message,
+							ipv6_dns_offset,
+							&ipv6))
+				goto error;
+
+			inet_ntop(AF_INET6, &ipv6, dns1, sizeof(dns1));
+			dns[0] = dns1;
+
+			ofono_gprs_context_set_ipv6_dns_servers(gc, dns);
+		}
+	}
+done:
+
+	gcd->state = STATE_ACTIVE;
+	interface = ofono_modem_get_string(modem, "NetworkInterface");
+	ofono_gprs_context_set_interface(gc, interface);
+
+	CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
+	gcd->cb = NULL;
+	gcd->cb_data = NULL;
+	return;
+
+error:
+	CALLBACK_WITH_FAILURE(gcd->cb, gcd->cb_data);
+	gcd->state = STATE_IDLE;
+	gcd->cb = NULL;
+	gcd->cb_data = NULL;
+
+	message = mbim_message_new(mbim_uuid_basic_connect,
+					MBIM_CID_CONNECT,
+					MBIM_COMMAND_TYPE_SET);
+	mbim_message_set_arguments(message, "uusssuuu16y",
+					gcd->active_context, 0,
+					NULL, NULL, NULL, 0, 0, 0,
+					mbim_context_type_internet);
+
+	if (!mbim_device_send(gcd->device, GPRS_CONTEXT_GROUP, message,
+				NULL, NULL, NULL))
+		mbim_message_unref(message);
+}
+
+static void mbim_activate_cb(struct mbim_message *message, void *user)
+{
+	struct ofono_gprs_context *gc = user;
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+
+	DBG("");
+
+	if (mbim_message_get_error(message) != 0)
+		goto error;
+
+	message = mbim_message_new(mbim_uuid_basic_connect,
+					MBIM_CID_IP_CONFIGURATION,
+					MBIM_COMMAND_TYPE_QUERY);
+	mbim_message_set_arguments(message, "uuuuuuuuuuuuuuu",
+				gcd->active_context,
+				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+
+	if (mbim_device_send(gcd->device, GPRS_CONTEXT_GROUP, message,
+				mbim_ip_configuration_cb, gc, NULL) > 0)
+		return;
+
+error:
+	CALLBACK_WITH_FAILURE(gcd->cb, gcd->cb_data);
+	gcd->state = STATE_IDLE;
+	gcd->cb = NULL;
+	gcd->cb_data = NULL;
+}
+
+static void mbim_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 mbim_message *message;
+
+	DBG("cid %u", ctx->cid);
+
+	gcd->state = STATE_ENABLING;
+	gcd->cb = cb;
+	gcd->cb_data = data;
+	gcd->active_context = ctx->cid;
+	gcd->proto = ctx->proto;
+
+	message = mbim_message_new(mbim_uuid_basic_connect,
+					MBIM_CID_CONNECT,
+					MBIM_COMMAND_TYPE_SET);
+	mbim_message_set_arguments(message, "uusssuuu16y",
+				ctx->cid,
+				1, /* MBIMActivationCommandActivate */
+				ctx->apn,
+				ctx->username[0] ? ctx->username : NULL,
+				ctx->password[0] ? ctx->password : NULL,
+				0, /*MBIMCompressionNone */
+				auth_method_to_auth_protocol(ctx->auth_method),
+				proto_to_context_ip_type(ctx->proto),
+				mbim_context_type_internet);
+
+	if (mbim_device_send(gcd->device, GPRS_CONTEXT_GROUP, message,
+				mbim_activate_cb, gc, NULL) > 0)
+		return;
+
+	mbim_message_unref(message);
+	CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static void mbim_gprs_detach_shutdown(struct ofono_gprs_context *gc,
+						unsigned int cid)
+{
+	DBG("");
+	mbim_gprs_deactivate_primary(gc, cid, NULL, NULL);
+}
+
+static void mbim_connect_notify(struct mbim_message *message, void *user)
+{
+	uint32_t session_id;
+	uint32_t activation_state;
+	uint32_t voice_call_state;
+	uint32_t ip_type;
+	uint8_t context_type[16];
+	uint32_t nw_error;
+	char uuidstr[37];
+
+	DBG("");
+
+	if (!mbim_message_get_arguments(message, "uuuu16yu",
+					&session_id, &activation_state,
+					&voice_call_state, &ip_type,
+					context_type, &nw_error))
+		return;
+
+	DBG("session_id: %u, activation_state: %u, ip_type: %u",
+			session_id, activation_state, ip_type);
+	l_uuid_to_string(context_type, uuidstr, sizeof(uuidstr));
+	DBG("context_type: %s, nw_error: %u", uuidstr, nw_error);
+}
+
+static int mbim_gprs_context_probe(struct ofono_gprs_context *gc,
+					unsigned int vendor, void *data)
+{
+	struct mbim_device *device = data;
+	struct gprs_context_data *gcd;
+
+	DBG("");
+
+	if (!mbim_device_register(device, GPRS_CONTEXT_GROUP,
+					mbim_uuid_basic_connect,
+					MBIM_CID_CONNECT,
+					mbim_connect_notify, gc, NULL))
+		return -EIO;
+
+	gcd = l_new(struct gprs_context_data, 1);
+	gcd->device = mbim_device_ref(device);
+
+	ofono_gprs_context_set_data(gc, gcd);
+
+	return 0;
+}
+
+static void mbim_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);
+
+	mbim_device_cancel_group(gcd->device, GPRS_CONTEXT_GROUP);
+	mbim_device_unregister_group(gcd->device, GPRS_CONTEXT_GROUP);
+	mbim_device_unref(gcd->device);
+	gcd->device = NULL;
+	l_free(gcd);
+}
+
+static struct ofono_gprs_context_driver driver = {
+	.name			= "mbim",
+	.probe			= mbim_gprs_context_probe,
+	.remove			= mbim_gprs_context_remove,
+	.activate_primary	= mbim_gprs_activate_primary,
+	.deactivate_primary	= mbim_gprs_deactivate_primary,
+	.detach_shutdown	= mbim_gprs_detach_shutdown
+};
+
+void mbim_gprs_context_init(void)
+{
+	ofono_gprs_context_driver_register(&driver);
+}
+
+void mbim_gprs_context_exit(void)
+{
+	ofono_gprs_context_driver_unregister(&driver);
+}
diff --git a/drivers/mbimmodem/mbimmodem.c b/drivers/mbimmodem/mbimmodem.c
index 5b8b3aca..a4c9daa1 100644
--- a/drivers/mbimmodem/mbimmodem.c
+++ b/drivers/mbimmodem/mbimmodem.c
@@ -35,11 +35,13 @@ static int mbimmodem_init(void)
 	mbim_netreg_init();
 	mbim_sms_exit();
 	mbim_gprs_init();
+	mbim_gprs_context_init();
 	return 0;
 }
 
 static void mbimmodem_exit(void)
 {
+	mbim_gprs_context_exit();
 	mbim_gprs_exit();
 	mbim_sms_exit();
 	mbim_netreg_exit();
diff --git a/drivers/mbimmodem/mbimmodem.h b/drivers/mbimmodem/mbimmodem.h
index c5d8d889..7c978023 100644
--- a/drivers/mbimmodem/mbimmodem.h
+++ b/drivers/mbimmodem/mbimmodem.h
@@ -26,6 +26,7 @@ enum MBIM_GROUP {
 	NETREG_GROUP = 2,
 	SMS_GROUP = 3,
 	GPRS_GROUP = 4,
+	GPRS_CONTEXT_GROUP = 101,
 };
 
 extern void mbim_devinfo_init(void);
@@ -42,3 +43,6 @@ extern void mbim_sms_exit(void);
 
 extern void mbim_gprs_init(void);
 extern void mbim_gprs_exit(void);
+
+extern void mbim_gprs_context_init(void);
+extern void mbim_gprs_context_exit(void);