Reverse the logic of flagging malformed packet in fragmentation code to allow padding 52/13752/2
authorRajesh Saluja <rajsaluj@cisco.com>
Thu, 26 Jul 2018 21:13:09 +0000 (14:13 -0700)
committerOle Trøan <otroan@employees.org>
Mon, 30 Jul 2018 11:22:59 +0000 (11:22 +0000)
Change-Id: I051c137ae18fd436a798a12a56a9d12f8eaa2e08
Signed-off-by: Rajesh Saluja <rajsaluj@cisco.com>
src/vnet/ip/ip_frag.c

index 9f93738..8d495af 100644 (file)
@@ -66,7 +66,7 @@ ip4_frag_do_fragment (vlib_main_t * vm, u32 pi, u32 ** buffer,
   ptr = 0;
   max = (mtu - sizeof (*ip4) - vnet_buffer (p)->ip_frag.header_offset) & ~0x7;
 
-  if (rem < (p->current_length - offset - sizeof (*ip4)))
+  if (rem > (p->current_length - offset - sizeof (*ip4)))
     {
       *error = IP_FRAG_ERROR_MALFORMED;
       return;