Reverse the logic of flagging malformed packet in fragmentation code to allow padding

Change-Id: I051c137ae18fd436a798a12a56a9d12f8eaa2e08
Signed-off-by: Rajesh Saluja <[email protected]>
(cherry picked from commit 1f895c9a40f446ca9f1b7803f350c70ebb3ad0fa)

diff --git a/src/vnet/ip/ip_frag.c b/src/vnet/ip/ip_frag.c
index 9f93738..8d495af 100644 (file)
--- a/src/vnet/ip/ip_frag.c
+++ b/src/vnet/ip/ip_frag.c
@@ -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;