fib feature: Code mechanics to decouple dependency of feature on adj

[vpp.git] / src / vnet / ip / ip4_format.c

diff --git a/src/vnet/ip/ip4_format.c b/src/vnet/ip/ip4_format.c
index 0a2d7d2..eebd5ad 100644 (file)
--- a/src/vnet/ip/ip4_format.c
+++ b/src/vnet/ip/ip4_format.c
@@ -165,7 +165,7 @@ format_ip4_header (u8 * s, va_list * args)
 
     /* Fragment offset. */
     o = 8 * (f & 0x1fff);
-    f ^= o;
+    f ^= f & 0x1fff;
     if (o != 0)
       s = format (s, " offset %d", o);
 
@@ -178,6 +178,9 @@ format_ip4_header (u8 * s, va_list * args)
        _(CONGESTION);
 #undef _
       }
+    /* Fragment packet but not the first. */
+    if (o != 0)
+      return s;
   }
 
   /* Recurse into next protocol layer. */
@@ -213,7 +216,7 @@ unformat_ip4_header (unformat_input_t * input, va_list * args)
     ip = p;
   }
 
-  memset (ip, 0, sizeof (ip[0]));
+  clib_memset (ip, 0, sizeof (ip[0]));
   ip->ip_version_and_header_length = IP4_VERSION_AND_HEADER_LENGTH_NO_OPTIONS;
 
   if (!unformat (input, "%U: %U -> %U",