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author | Aleksander Morgado <aleksander@aleksander.es> | 2018-12-06 08:06:57 +0100 |
---|---|---|
committer | Dan Williams <dcbw@redhat.com> | 2018-12-07 16:20:53 +0000 |
commit | 2b25673f3460821cf9294f6feda9faffcb0e85ef (patch) | |
tree | d4c75807e8639b7775f48d9886a365e9fecf379a | |
parent | 1e09b586a72bf4d7ff8ea6badc65289f57ade760 (diff) | |
download | ModemManager-2b25673f3460821cf9294f6feda9faffcb0e85ef.tar.gz |
broadband-modem-mbim: implement initial EPS bearer settings loading
We use the "LTE attach config" extension defined by Microsoft to query
the initial EPS bearer settings.
https://docs.microsoft.com/en-us/windows-hardware/drivers/network/mb-lte-attach-operations
-rw-r--r-- | src/mm-broadband-modem-mbim.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/mm-broadband-modem-mbim.c b/src/mm-broadband-modem-mbim.c index d15525fc0..ddca72157 100644 --- a/src/mm-broadband-modem-mbim.c +++ b/src/mm-broadband-modem-mbim.c @@ -2469,6 +2469,126 @@ modem_3gpp_load_initial_eps_bearer (MMIfaceModem3gpp *self, } /*****************************************************************************/ +/* Initial EPS bearer settings loading */ + +static MMBearerProperties * +modem_3gpp_load_initial_eps_bearer_settings_finish (MMIfaceModem3gpp *self, + GAsyncResult *res, + GError **error) +{ + return MM_BEARER_PROPERTIES (g_task_propagate_pointer (G_TASK (res), error)); +} + +static MMBearerProperties * +common_process_lte_attach_configuration (MMBroadbandModemMbim *self, + MbimLteAttachConfiguration *config, + GError **error) +{ + MMBearerProperties *properties; + MMBearerIpFamily ip_family = MM_BEARER_IP_FAMILY_NONE; + MMBearerAllowedAuth auth; + + properties = mm_bearer_properties_new (); + if (config->access_string) + mm_bearer_properties_set_apn (properties, config->access_string); + if (config->user_name) + mm_bearer_properties_set_user (properties, config->user_name); + if (config->password) + mm_bearer_properties_set_password (properties, config->password); + + ip_family = mm_bearer_ip_family_from_mbim_context_ip_type (config->ip_type); + if (ip_family != MM_BEARER_IP_FAMILY_NONE) + mm_bearer_properties_set_ip_type (properties, ip_family); + + auth = mm_bearer_allowed_auth_from_mbim_auth_protocol (config->auth_protocol); + if (auth != MM_BEARER_ALLOWED_AUTH_UNKNOWN) + mm_bearer_properties_set_allowed_auth (properties, auth); + + /* note: we don't expose compression settings or the configuration source details */ + + return properties; +} + +static void +lte_attach_configuration_query_ready (MbimDevice *device, + GAsyncResult *res, + GTask *task) +{ + MMBroadbandModemMbim *self; + MbimMessage *response; + GError *error = NULL; + MMBearerProperties *properties = NULL; + guint32 n_configurations = 0; + MbimLteAttachConfiguration **configurations = NULL; + guint i; + + 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) || + !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++) { + /* We only support configuring the HOME settings */ + if (configurations[i]->roaming != MBIM_LTE_ATTACH_CONTEXT_ROAMING_CONTROL_HOME) + continue; + properties = common_process_lte_attach_configuration (self, configurations[i], &error); + break; + } + mbim_lte_attach_configuration_array_free (configurations); + + if (!properties && !error) + error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_NOT_FOUND, + "Couldn't find home network LTE attach settings"); + + g_assert (properties || error); + if (properties) + g_task_return_pointer (task, properties, g_object_unref); + else + g_task_return_error (task, error); + g_object_unref (task); + + out: + if (response) + mbim_message_unref (response); +} + +static void +modem_3gpp_load_initial_eps_bearer_settings (MMIfaceModem3gpp *self, + GAsyncReadyCallback callback, + gpointer user_data) +{ + MbimDevice *device; + MbimMessage *message; + GTask *task; + + if (!peek_device (self, &device, callback, user_data)) + return; + + task = g_task_new (self, NULL, callback, user_data); + + message = mbim_message_ms_basic_connect_extensions_lte_attach_configuration_query_new (NULL); + mbim_device_command (device, + message, + 10, + NULL, + (GAsyncReadyCallback)lte_attach_configuration_query_ready, + task); + mbim_message_unref (message); +} + +/*****************************************************************************/ /* Common unsolicited events setup and cleanup */ static void @@ -5021,6 +5141,8 @@ iface_modem_3gpp_init (MMIfaceModem3gpp *iface) iface->load_operator_name_finish = modem_3gpp_load_operator_name_finish; iface->load_initial_eps_bearer = modem_3gpp_load_initial_eps_bearer; 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->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; |