port-net: new 'MMPortNet' object with netlink capabilities

Right now just with the support to setup link properties like up/down
state or the link mtu.

This features are required when using QMAP based multiplexing with the
qmi_wwan kernel driver.

1 files changed, 54 insertions, 0 deletions

diff --git a/src/mm-netlink.h b/src/mm-netlink.h
new file mode 100644
index 00000000..5ced1eaf
--- /dev/null
+++ b/src/mm-netlink.h
@@ -0,0 +1,54 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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:
+ *
+ * Basic netlink support from libqmi:
+ *   Copyright (C) 2020 Eric Caruso <ejcaruso@chromium.org>
+ *   Copyright (C) 2020 Andrew Lassalle <andrewlassalle@chromium.org>
+ *
+ * Copyright (C) 2021 Aleksander Morgado <aleksander@aleksander.es>
+ */
+
+#ifndef MM_NETLINK_H
+#define MM_NETLINK_H
+
+#include <glib-object.h>
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+#define MM_TYPE_NETLINK         (mm_netlink_get_type ())
+#define MM_NETLINK(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), MM_TYPE_NETLINK, MMNetlink))
+#define MM_NETLINK_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST ((k), MM_TYPE_NETLINK, MMNetlinkClass))
+#define MM_NETLINK_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), MM_TYPE_NETLINK, MMNetlinkClass))
+#define MM_IS_NETLINK(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), MM_TYPE_NETLINK))
+#define MM_IS_NETLINK_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), MM_TYPE_NETLINK))
+
+typedef struct _MMNetlink         MMNetlink;
+typedef struct _MMNetlinkClass    MMNetlinkClass;
+
+GType      mm_netlink_get_type     (void) G_GNUC_CONST;
+MMNetlink *mm_netlink_get          (void);
+
+void     mm_netlink_setlink        (MMNetlink           *self,
+                                    guint                ifindex,
+                                    gboolean             up,
+                                    guint                mtu,
+                                    GCancellable        *cancellable,
+                                    GAsyncReadyCallback  callback,
+                                    gpointer             user_data);
+gboolean mm_netlink_setlink_finish (MMNetlink            *self,
+                                    GAsyncResult         *res,
+                                    GError              **error);
+
+G_END_DECLS
+
+#endif  /* MM_MODEM_HELPERS_NETLINK_H */