diff options
Diffstat (limited to 'src/libqmi-glib/qmi-helpers.c')
| -rw-r--r-- | src/libqmi-glib/qmi-helpers.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/src/libqmi-glib/qmi-helpers.c b/src/libqmi-glib/qmi-helpers.c index 09fee3d..d8f1176 100644 --- a/src/libqmi-glib/qmi-helpers.c +++ b/src/libqmi-glib/qmi-helpers.c @@ -465,8 +465,10 @@ qmi_helpers_get_transport_type (const gchar *path, g_autofree gchar *device_basename = NULL; g_autofree gchar *usb_driver = NULL; g_autofree gchar *wwan_sysfs_path = NULL; + g_autofree gchar *wwan_type_sysfs_path = NULL; g_autofree gchar *smdpkt_sysfs_path = NULL; g_autofree gchar *rpmsg_sysfs_path = NULL; + gchar wwan_type[16] = { 0 }; device_basename = qmi_helpers_get_devname (path, error); if (!device_basename) @@ -484,13 +486,24 @@ qmi_helpers_get_transport_type (const gchar *path, return QMI_HELPERS_TRANSPORT_TYPE_UNKNOWN; } - /* WWAN devices have protocol in their name */ + /* WWAN devices have a type attribute or protocol in their name */ wwan_sysfs_path = g_strdup_printf ("/sys/class/wwan/%s", device_basename); if (g_file_test (wwan_sysfs_path, G_FILE_TEST_EXISTS)) { - if (g_strrstr (device_basename, "QMI")) - return QMI_HELPERS_TRANSPORT_TYPE_QMUX; - if (g_strrstr (device_basename, "MBIM")) - return QMI_HELPERS_TRANSPORT_TYPE_MBIM; + wwan_type_sysfs_path = g_strdup_printf ("/sys/class/wwan/%s/type", device_basename); + if (qmi_helpers_read_sysfs_file (wwan_type_sysfs_path, wwan_type, + sizeof (wwan_type) - 1, NULL)) { + g_strstrip (wwan_type); + if (!g_strcmp0 (wwan_type, "QMI")) + return QMI_HELPERS_TRANSPORT_TYPE_QMUX; + if (!g_strcmp0 (wwan_type, "MBIM")) + return QMI_HELPERS_TRANSPORT_TYPE_MBIM; + } else { + /* "type" attribute exists only on Linux 5.14+, fall back to device name */ + if (g_strrstr (device_basename, "QMI")) + return QMI_HELPERS_TRANSPORT_TYPE_QMUX; + if (g_strrstr (device_basename, "MBIM")) + return QMI_HELPERS_TRANSPORT_TYPE_MBIM; + } g_set_error (error, QMI_CORE_ERROR, QMI_CORE_ERROR_FAILED, "unsupported wwan port"); return QMI_HELPERS_TRANSPORT_TYPE_UNKNOWN; |