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broadband-modem-mbim: implement initial EPS bearer settings updating

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We use the "LTE attach config" extension defined by Microsoft to update
the initial EPS bearer settings.

https://docs.microsoft.com/en-us/windows-hardware/drivers/network/mb-lte-attach-operations
This commit is contained in:
Aleksander Morgado
2018-11-20 10:17:44 +01:00
committed by Dan Williams
parent 2b25673f34
commit c12b5fa027
1 changed files with 171 additions and 0 deletions
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171
src/mm-broadband-modem-mbim.c
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@@ -2588,6 +2588,175 @@ modem_3gpp_load_initial_eps_bearer_settings (MMIfaceModem3gpp *self,
mbim_message_unref (message);
}
/*****************************************************************************/
/* Set initial EPS bearer settings
*
* The logic to set the EPS bearer settings requires us to first load the current
* settings from the module, because we are only going to change the settings
* associated to the HOME slot, we will leave untouched the PARTNER and NON-PARTNER
* slots.
*/
static gboolean
modem_3gpp_set_initial_eps_bearer_settings_finish (MMIfaceModem3gpp *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_boolean (G_TASK (res), error);
}
static void
set_lte_attach_configuration_set_ready (MbimDevice *device,
GAsyncResult *res,
GTask *task)
{
MMBroadbandModemMbim *self;
MbimMessage *response;
GError *error = NULL;
self = g_task_get_source_object (task);
response = mbim_device_command_finish (device, res, &error);
if (!response || !mbim_message_response_get_result (response, MBIM_MESSAGE_TYPE_COMMAND_DONE, &error))
g_task_return_error (task, error);
else
g_task_return_boolean (task, TRUE);
g_object_unref (task);
if (response)
mbim_message_unref (response);
}
static void
before_set_lte_attach_configuration_query_ready (MbimDevice *device,
GAsyncResult *res,
GTask *task)
{
MMBroadbandModemMbim *self;
MbimMessage *request;
MbimMessage *response;
GError *error = NULL;
MMBearerProperties *config;
guint32 n_configurations = 0;
MbimLteAttachConfiguration **configurations = NULL;
guint i;
self = g_task_get_source_object (task);
config = g_task_get_task_data (task);
response = mbim_device_command_finish (device, res, &error);
if (!response ||
!mbim_message_response_get_result (response, MBIM_MESSAGE_TYPE_COMMAND_DONE, &error) ||
!mbim_message_ms_basic_connect_extensions_lte_attach_configuration_response_parse (
response,
&n_configurations,
&configurations,
&error)) {
g_task_return_error (task, error);
g_object_unref (task);
goto out;
}
/* We should always receive 3 configurations but the MBIM API doesn't force
* that so we'll just assume we don't get always the same fixed number */
for (i = 0; i < n_configurations; i++) {
MMBearerIpFamily ip_family;
MMBearerAllowedAuth auth;
/* We only support configuring the HOME settings */
if (configurations[i]->roaming != MBIM_LTE_ATTACH_CONTEXT_ROAMING_CONTROL_HOME)
continue;
ip_family = mm_bearer_properties_get_ip_type (config);
if (ip_family == MM_BEARER_IP_FAMILY_NONE || ip_family == MM_BEARER_IP_FAMILY_ANY)
configurations[i]->ip_type = MBIM_CONTEXT_IP_TYPE_DEFAULT;
else {
configurations[i]->ip_type = mm_bearer_ip_family_to_mbim_context_ip_type (ip_family, &error);
if (error) {
configurations[i]->ip_type = MBIM_CONTEXT_IP_TYPE_DEFAULT;
mm_warn ("unexpected IP type settings requested: %s", error->message);
g_clear_error (&error);
}
}
auth = mm_bearer_properties_get_allowed_auth (config);
if (auth == MM_BEARER_ALLOWED_AUTH_UNKNOWN)
configurations[i]->auth_protocol = MBIM_AUTH_PROTOCOL_NONE;
else {
configurations[i]->auth_protocol = mm_bearer_allowed_auth_to_mbim_auth_protocol (auth, &error);
if (error) {
configurations[i]->auth_protocol = MBIM_AUTH_PROTOCOL_NONE;
mm_warn ("unexpected auth settings requested: %s", error->message);
g_clear_error (&error);
}
}
g_clear_pointer (&(configurations[i]->access_string), g_free);
configurations[i]->access_string = g_strdup (mm_bearer_properties_get_apn (config));
g_clear_pointer (&(configurations[i]->user_name), g_free);
configurations[i]->user_name = g_strdup (mm_bearer_properties_get_user (config));
g_clear_pointer (&(configurations[i]->password), g_free);
configurations[i]->password = g_strdup (mm_bearer_properties_get_user (config));
configurations[i]->source = MBIM_CONTEXT_SOURCE_USER;
configurations[i]->compression = MBIM_COMPRESSION_NONE;
break;
}
request = mbim_message_ms_basic_connect_extensions_lte_attach_configuration_set_new (
MBIM_LTE_ATTACH_CONTEXT_OPERATION_DEFAULT,
n_configurations,
(const MbimLteAttachConfiguration *const *)configurations,
&error);
if (!request) {
g_task_return_error (task, error);
g_object_unref (task);
goto out;
}
mbim_device_command (device,
request,
10,
NULL,
(GAsyncReadyCallback)set_lte_attach_configuration_set_ready,
task);
mbim_message_unref (request);
out:
if (configurations)
mbim_lte_attach_configuration_array_free (configurations);
if (response)
mbim_message_unref (response);
}
static void
modem_3gpp_set_initial_eps_bearer_settings (MMIfaceModem3gpp *self,
MMBearerProperties *config,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
MbimDevice *device;
MbimMessage *message;
if (!peek_device (self, &device, callback, user_data))
return;
task = g_task_new (self, NULL, callback, user_data);
g_task_set_task_data (task, g_object_ref (config), g_object_unref);
message = mbim_message_ms_basic_connect_extensions_lte_attach_configuration_query_new (NULL);
mbim_device_command (device,
message,
10,
NULL,
(GAsyncReadyCallback)before_set_lte_attach_configuration_query_ready,
task);
mbim_message_unref (message);
}
/*****************************************************************************/
/* Common unsolicited events setup and cleanup */
@@ -5143,6 +5312,8 @@ iface_modem_3gpp_init (MMIfaceModem3gpp *iface)
iface->load_initial_eps_bearer_finish = modem_3gpp_load_initial_eps_bearer_finish;
iface->load_initial_eps_bearer_settings = modem_3gpp_load_initial_eps_bearer_settings;
iface->load_initial_eps_bearer_settings_finish = modem_3gpp_load_initial_eps_bearer_settings_finish;
iface->set_initial_eps_bearer_settings = modem_3gpp_set_initial_eps_bearer_settings;
iface->set_initial_eps_bearer_settings_finish = modem_3gpp_set_initial_eps_bearer_settings_finish;
iface->run_registration_checks = modem_3gpp_run_registration_checks;
iface->run_registration_checks_finish = modem_3gpp_run_registration_checks_finish;
iface->register_in_network = modem_3gpp_register_in_network;