SCTP stack (RFC4960)

== CONTENT ==
* SCTP chunks definition as per RFC4960;
* Helper functions to set/get values to/from the corresponding chunks;
* Hooks to the session/application layers;
* Complete state-machine handling;
* Implementation for unexpected chunk received in a certain
state (state-machine error handling)
* Support for 1-single connection;
* Sample application to test receive/transmit data-path;
* Test to validate SCTP stack;

Change-Id: I1b55c455ab400be9513f4e094dadfc3181d2ebc9
Signed-off-by: Marco Varlese <marco.varlese@suse.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/src/vnet/sctp/sctp_debug.h b/src/vnet/sctp/sctp_debug.h
new file mode 100644
index 00000000000..b422d199640
--- /dev/null
+++ b/src/vnet/sctp/sctp_debug.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2017 SUSE LLC.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef included_sctp_debug_h__
+#define included_sctp_debug_h__
+
+#include <vlib/vlib.h>
+
+typedef enum _sctp_dbg
+{
+#define _(sym, str) SCTP_DBG_##sym,
+  foreach_sctp_dbg_evt
+#undef _
+} sctp_dbg_e;
+
+#define SCTP_DEBUG_STATE_MACHINE (0)
+#if SCTP_DEBUG_STATE_MACHINE
+#define SCTP_DBG_STATE_MACHINE(_fmt, _args...) clib_warning (_fmt, ##_args)
+#else
+#define SCTP_DBG_STATE_MACHINE(_fmt, _args...)
+#endif
+
+#define SCTP_DEBUG (0)
+#if SCTP_DEBUG
+#define SCTP_DBG(_fmt, _args...) clib_warning (_fmt, ##_args)
+#else
+#define SCTP_DBG(_fmt, _args...)
+#endif
+
+#define SCTP_ADV_DEBUG (0)
+#if SCTP_ADV_DEBUG
+#define SCTP_ADV_DBG(_fmt, _args...) clib_warning (_fmt, ##_args)
+#else
+#define SCTP_ADV_DBG(_fmt, _args...)
+#endif
+
+#define SCTP_DEBUG_OUTPUT (0)
+#if SCTP_DEBUG_OUTPUT
+#define SCTP_DBG_OUTPUT(_fmt, _args...) clib_warning (_fmt, ##_args)
+#else
+#define SCTP_DBG_OUTPUT(_fmt, _args...)
+#endif
+
+#define SCTP_ADV_DEBUG_OUTPUT (0)
+#if SCTP_ADV_DEBUG_OUTPUT
+#define SCTP_ADV_DBG_OUTPUT(_fmt, _args...) clib_warning (_fmt, ##_args)
+#else
+#define SCTP_ADV_DBG_OUTPUT(_fmt, _args...)
+#endif
+
+#endif /* included_sctp_debug_h__ */