1 files changed, 90 insertions, 0 deletions
diff --git a/nuttx/net/tcp/tcp_wrbuffer_dump.c b/nuttx/net/tcp/tcp_wrbuffer_dump.c
new file mode 100644
index 000000000..6ff5bb021
--- /dev/null
+++ b/nuttx/net/tcp/tcp_wrbuffer_dump.c
@@ -0,0 +1,90 @@
+/****************************************************************************
+ * net/tcp/tcp_wrbuffer_dump.c
+ *
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <debug.h>
+
+#include <nuttx/net/iob.h>
+#include <nuttx/net/uip/uip-tcp.h>
+
+#ifdef CONFIG_DEBUG
+
+/****************************************************************************
+ * Pre-processor definitions
+ ****************************************************************************/
+
+/* Select the lowest level debug interface available */
+
+#ifdef CONFIG_CPP_HAVE_VARARGS
+#  ifdef CONFIG_ARCH_LOWPUTC
+#    define message(format, ...) lowsyslog(format, ##__VA_ARGS__)
+#  else
+#    define message(format, ...) syslog(format, ##__VA_ARGS__)
+#  endif
+#else
+#  ifdef CONFIG_ARCH_LOWPUTC
+#    define message lowsyslog
+#  else
+#    define message syslog
+#  endif
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: tcp_wrbuffer_dump
+ *
+ * Description:
+ *  Dump the contents of a write buffer
+ *
+ ****************************************************************************/
+
+void tcp_wrbuffer_dump(FAR const char *msg, FAR struct tcp_wrbuffer_s *wrb,
+                       unsigned int len, unsigned int offset)
+{
+  message("%s: wrb=%p segno=%d sent=%d nrtx=%d\n",
+          msg, wrb, WRB_SEQNO(wrb), WRB_SENT(wrb), WRB_NRTX(wrb));
+  iob_dump("I/O Buffer Chain", WRB_IOB(wrb), len, offset);
+}
+
+#endif /* CONFIG_DEBUG */