l4re-base-25.08.0

src/l4/pkg/virtio-net-switch/server/switch/options.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2016-2017, 2022, 2024 Kernkonzept GmbH.
+ * Author(s): Jean Wolter <jean.wolter@kernkonzept.com>
+ *            Manuel von Oltersdorff-Kalettka <manuel.kalettka@kernkonzept.com>
+ *
+ * License: see LICENSE.spdx (in this directory or the directories above)
+ */
+#pragma once
+
+#include <memory>
+#include <vector>
+#include <cerrno>
+#include <climits>
+
+#include <l4/re/dataspace>
+
+bool
+parse_int_optstring(char const *optstring, int *out);
+
+class Options
+{
+  using Ds_vector = std::vector<L4::Cap<L4Re::Dataspace>>;
+public:
+  int get_max_ports() const
+  { return _max_ports; }
+
+  int get_virtq_max_num() const
+  { return _virtq_max_num; }
+
+  int get_portq_max_num() const
+  { return _portq_max_num; }
+
+  int get_request_timeout() const
+  { return _request_timeout; }
+
+  int assign_mac() const
+  { return _assign_mac; }
+
+  static Options const *
+  parse_options(int argc, char **argv,
+                std::shared_ptr<Ds_vector> trusted_dataspaces);
+  static Options const *get_options();
+
+private:
+  int _max_ports = 5;
+  int _virtq_max_num = 0x100; // default value for data queues
+  int _portq_max_num = 50;    // default value for port queues
+  int _request_timeout = 1 * 1000 * 1000; // default packet timeout 1 second
+  bool _assign_mac = true;
+
+  int parse_cmd_line(int argc, char **argv,
+                     std::shared_ptr<Ds_vector> trusted_dataspaces);
+};