1 files changed, 77 insertions, 0 deletions
diff --git a/src/VBox/Devices/Network/slirp/debug.h b/src/VBox/Devices/Network/slirp/debug.h
new file mode 100644
index 00000000..b0b08b5d
--- /dev/null
+++ b/src/VBox/Devices/Network/slirp/debug.h
@@ -0,0 +1,77 @@
+/* $Id: debug.h $ */
+/** @file
+ * NAT - debug helpers (declarations/defines).
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * 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, in version 3 of the
+ * License.
+ *
+ * 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, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+/*
+ * This code is based on:
+ *
+ * Copyright (c) 1995 Danny Gasparovski.
+ *
+ * Please read the file COPYRIGHT for the
+ * terms and conditions of the copyright.
+ */
+
+#ifndef _DEBUG_H_
+#define _DEBUG_H_
+
+#include <VBox/log.h>
+/* we've excluded stdio.h */
+#define FILE void
+
+int debug_init (PNATState);
+void ipstats (PNATState);
+void tcpstats (PNATState);
+void udpstats (PNATState);
+void icmpstats (PNATState);
+void mbufstats (PNATState);
+void sockstats (PNATState);
+
+#ifdef LOG_ENABLED
+# define TCP_STATE_SWITCH_TO(tp, new_tcp_state) \
+  do { \
+      Log2(("%R[tcpcb793] switch to %R[tcpstate] -> %R[tcpstate]\n", (tp), (tp->t_state) ,(new_tcp_state))); \
+      if ((tp)->t_socket) \
+          Log2(("%R[tcpcb793] %R[natsock]\n", (tp), (tp)->t_socket)); \
+      (tp)->t_state = (new_tcp_state); \
+  } while (0)
+#else
+# define TCP_STATE_SWITCH_TO(tp, new_tcp_state) (tp)->t_state = (new_tcp_state)
+#endif
+
+/* TCP CB state validity macro definitions
+ * we need to be sure that TCP is in right state.
+ * TCP_ACCEPTABLE_STATEX(tp, (X-states here))
+ */
+#ifdef DEBUG_vvl
+# define TCP_ACCEPTABLE_STATE1(tp, tcp_state1) Assert((tp)->t_state == (tcp_state))
+# define TCP_ACCEPTABLE_STATE2(tp, tcp_state1, tcp_state2) \
+    Assert(   (tp)->t_state == (tcp_state1)  \
+           || (tp)->t_state == (tcp_state2) ); \
+#else
+# define TCP_ACCEPTABLE_STATE1(tp, tcp_state1) do { } while(0)
+# define TCP_ACCEPTABLE_STATE2(tp, tcp_state1, tcp_state2) do { } while(0)
+#endif
+#endif