Implement a plugin for Ericsson MBM modems (like F3507g) (Author Per Hallsmark).

1 files changed, 244 insertions, 0 deletions

diff --git a/plugins/mm-plugin-mbm.c b/plugins/mm-plugin-mbm.c
new file mode 100644
index 00000000..6f7373f8
--- /dev/null
+++ b/plugins/mm-plugin-mbm.c
@@ -0,0 +1,244 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+  Additions to NetworkManager, network-manager-applet and modemmanager
+  for supporting Ericsson modules like F3507g.
+
+  Author: Per Hallsmark <per@hallsmark.se>
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <string.h>
+#include <gmodule.h>
+#include "mm-plugin-mbm.h"
+#include "mm-modem-mbm.h"
+
+static void plugin_init (MMPlugin *plugin_class);
+
+G_DEFINE_TYPE_EXTENDED (MMPluginMbm, mm_plugin_mbm, G_TYPE_OBJECT,
+                        0, G_IMPLEMENT_INTERFACE (MM_TYPE_PLUGIN, plugin_init))
+
+int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION;
+int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION;
+
+G_MODULE_EXPORT MMPlugin *
+mm_plugin_create (void)
+{
+    return MM_PLUGIN (g_object_new (MM_TYPE_PLUGIN_MBM, NULL));
+}
+
+/*****************************************************************************/
+
+static const char *
+get_name (MMPlugin *plugin)
+{
+    return "MBM";
+}
+
+static char **
+list_supported_udis (MMPlugin *plugin, LibHalContext *hal_ctx)
+{
+    char **supported = NULL;
+    char **devices;
+    int num_devices;
+    int i;
+
+    devices = libhal_find_device_by_capability (hal_ctx, "modem", &num_devices, NULL);
+    if (devices) {
+        GPtrArray *array;
+
+        array = g_ptr_array_new ();
+
+        for (i = 0; i < num_devices; i++) {
+            char *udi = devices[i];
+
+            if (mm_plugin_supports_udi (plugin, hal_ctx, udi))
+                g_ptr_array_add (array, g_strdup (udi));
+        }
+
+        if (array->len > 0) {
+            g_ptr_array_add (array, NULL);
+            supported = (char **) g_ptr_array_free (array, FALSE);
+        } else
+            g_ptr_array_free (array, TRUE);
+    }
+
+    g_strfreev (devices);
+
+    return supported;
+}
+
+static char *
+get_netdev (LibHalContext *ctx, const char *udi)
+{
+    char *serial_parent, *serial_parent_parent, *netdev = NULL;
+    char **netdevs;
+    int num, i;
+
+    /* Get the origin udi, which is parent of our parent */
+    serial_parent = libhal_device_get_property_string (ctx, udi, "info.parent", NULL);
+    if (!serial_parent)
+        return NULL;
+    /* Just attach to first cdc-acm interface */
+    if (strncmp (serial_parent + strlen (serial_parent) - 4, "_if1", 4))
+        return NULL;
+    serial_parent_parent = libhal_device_get_property_string (ctx, serial_parent, "info.parent", NULL);
+    if (!serial_parent_parent)
+        return NULL;
+
+    /* Look for the originating device's netdev */
+    netdevs = libhal_find_device_by_capability (ctx, "net", &num, NULL);
+    for (i = 0; netdevs && !netdev && (i < num); i++) {
+        char *netdev_parent, *netdev_parent_parent, *tmp;
+
+        /* Get the origin udi, which also is parent of our parent */
+        netdev_parent = libhal_device_get_property_string (ctx, netdevs[i], "info.parent", NULL);
+        if (!netdev_parent)
+            continue;
+        netdev_parent_parent = libhal_device_get_property_string (ctx, netdev_parent, "info.parent", NULL);
+        if (!netdev_parent_parent)
+            continue;
+
+        if (!strcmp (netdev_parent_parent, serial_parent_parent)) {
+            /* We found it */
+            tmp = libhal_device_get_property_string (ctx, netdevs[i], "net.interface", NULL);
+            if (tmp) {
+                netdev = g_strdup (tmp);
+                libhal_free_string (tmp);
+            }
+        }
+
+        libhal_free_string (netdev_parent);
+        libhal_free_string (netdev_parent_parent);
+    }
+    libhal_free_string_array (netdevs);
+    libhal_free_string (serial_parent);
+    libhal_free_string (serial_parent_parent);
+
+    return netdev;
+}
+
+static char *
+get_driver (LibHalContext *ctx, const char *udi)
+{
+    char *serial_parent, *serial_parent_parent, *driver = NULL;
+    char **netdevs;
+    int num, i;
+
+    /* Get the origin udi, which is parent of our parent */
+    serial_parent = libhal_device_get_property_string (ctx, udi, "info.parent", NULL);
+    if (!serial_parent)
+        return NULL;
+    serial_parent_parent = libhal_device_get_property_string (ctx, serial_parent, "info.parent", NULL);
+    if (!serial_parent_parent)
+        return NULL;
+
+    /* Look for the originating device's netdev */
+    netdevs = libhal_find_device_by_capability (ctx, "net", &num, NULL);
+    for (i = 0; netdevs && !driver && (i < num); i++) {
+        char *netdev_parent, *netdev_parent_parent, *tmp;
+
+        /* Get the origin udi, which also is parent of our parent */
+        netdev_parent = libhal_device_get_property_string (ctx, netdevs[i], "info.parent", NULL);
+        if (!netdev_parent)
+            continue;
+        netdev_parent_parent = libhal_device_get_property_string (ctx, netdev_parent, "info.parent", NULL);
+        if (!netdev_parent_parent)
+            continue;
+
+        if (!strcmp (netdev_parent_parent, serial_parent_parent)) {
+            /* We found it */
+            tmp = libhal_device_get_property_string (ctx,
+                                                     netdev_parent, "info.linux.driver", NULL);
+            if (tmp) {
+                driver = g_strdup (tmp);
+                libhal_free_string (tmp);
+            }
+        }
+
+        libhal_free_string (netdev_parent);
+        libhal_free_string (netdev_parent_parent);
+    }
+    libhal_free_string_array (netdevs);
+    libhal_free_string (serial_parent);
+    libhal_free_string (serial_parent_parent);
+
+    return driver;
+}
+
+static gboolean
+supports_udi (MMPlugin *plugin, LibHalContext *hal_ctx, const char *udi)
+{
+    gboolean supported = FALSE;
+    char *netdev = NULL;
+
+    netdev = get_netdev (hal_ctx, udi);
+
+    if (netdev) {
+        supported = TRUE;
+        libhal_free_string (netdev);
+    }
+
+    return supported;
+}
+
+static MMModem *
+create_modem (MMPlugin *plugin, LibHalContext *hal_ctx, const char *udi)
+{
+    char *serial_device;
+    char *net_device;
+    char *driver;
+    MMModem *modem;
+
+    serial_device = libhal_device_get_property_string (hal_ctx, udi, "serial.device", NULL);
+    g_return_val_if_fail (serial_device != NULL, NULL);
+
+    net_device = get_netdev (hal_ctx, udi);
+    g_return_val_if_fail (net_device != NULL, NULL);
+
+    driver = get_driver (hal_ctx, udi);
+    g_return_val_if_fail (driver != NULL, NULL);
+
+    modem = MM_MODEM (mm_modem_mbm_new (serial_device, net_device, driver));
+
+    g_free (serial_device);
+    g_free (net_device);
+
+    return modem;
+}
+
+/*****************************************************************************/
+
+static void
+plugin_init (MMPlugin *plugin_class)
+{
+    /* interface implementation */
+    plugin_class->get_name = get_name;
+    plugin_class->list_supported_udis = list_supported_udis;
+    plugin_class->supports_udi = supports_udi;
+    plugin_class->create_modem = create_modem;
+}
+
+static void
+mm_plugin_mbm_init (MMPluginMbm *self)
+{
+}
+
+static void
+mm_plugin_mbm_class_init (MMPluginMbmClass *klass)
+{
+}