commit 1f895c9a40f446ca9f1b7803f350c70ebb3ad0fa
author Rajesh Saluja <rajsaluj@cisco.com> Thu Jul 26 14:13:09 2018 -0700
committer Ole Trøan <otroan@employees.org> Mon Jul 30 11:22:59 2018 +0000
tree a1bcb4d5f756565a0fe4ca12dab0ea80a70bafbd
parent d3ca8ffd0f095b9649b43cca5bb65fb82df3bb2a

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

Change-Id: I051c137ae18fd436a798a12a56a9d12f8eaa2e08
Signed-off-by: Rajesh Saluja <rajsaluj@cisco.com>

src/vnet/ip/ip_frag.c

diff --git a/src/vnet/ip/ip_frag.c b/src/vnet/ip/ip_frag.c
index 9f93738..8d495af 100644
--- a/src/vnet/ip/ip_frag.c
+++ b/src/vnet/ip/ip_frag.c
@@ -66,7 +66,7 @@
   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;