session: support for cl port reuse

[vpp.git] / src / vnet / udp / udp_format.c

diff --git a/src/vnet/udp/udp_format.c b/src/vnet/udp/udp_format.c
index 0e9fb17..93e7508 100644 (file)
--- a/src/vnet/udp/udp_format.c
+++ b/src/vnet/udp/udp_format.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Copyright (c) 2015-2019 Cisco and/or its affiliates.
  * 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:
@@ -82,6 +82,23 @@ format_udp_header (u8 * s, va_list * args)
   return s;
 }
 
+uword
+unformat_udp_port (unformat_input_t * input, va_list * args)
+{
+  u16 *result = va_arg (*args, u16 *);
+  int port;
+
+  /* Numeric type. */
+  if (unformat (input, "0x%x", &port) || unformat (input, "%d", &port))
+    {
+      if (port <= 0 || port >= (1 << 16))
+       return 0;
+      *result = port;
+      return 1;
+    }
+  return 0;
+}
+
 /*
  * fd.io coding-style-patch-verification: ON
  *