From 597b5b401c862c601ef6a74b4c54f8e32eaa8f79 Mon Sep 17 00:00:00 2001
From: Mina Tahmasbi Arashloo <mina.tahmasbi@gmail.com>
Date: Wed, 25 Oct 2017 19:21:46 -0400
Subject: [PATCH] updating the totalLen field in the IP header after adding
 swtrace (#67)

---
 P4D2_2017_Fall/exercises/mri/solution/mri.p4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/P4D2_2017_Fall/exercises/mri/solution/mri.p4 b/P4D2_2017_Fall/exercises/mri/solution/mri.p4
index 1ce23be..654f01b 100644
--- a/P4D2_2017_Fall/exercises/mri/solution/mri.p4
+++ b/P4D2_2017_Fall/exercises/mri/solution/mri.p4
@@ -198,6 +198,7 @@ control MyEgress(inout headers hdr,
 
         hdr.ipv4.ihl = hdr.ipv4.ihl + 2;
         hdr.ipv4_option.optionLength = hdr.ipv4_option.optionLength + 8; 
+	hdr.ipv4.totalLen = hdr.ipv4.totalLen + 8;
     }
 
     table swtrace {