From 6f3bd8773bcba419bdc705bb359f8f71bf97444d Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@nico-notebook.schottelius.org>
Date: Wed, 6 Mar 2019 13:54:22 +0100
Subject: [PATCH] ... try reenabling checksumming in P4

---
 p4src/checksums.p4 | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/p4src/checksums.p4 b/p4src/checksums.p4
index 2de339f..6ebc5f5 100644
--- a/p4src/checksums.p4
+++ b/p4src/checksums.p4
@@ -21,18 +21,18 @@ control MyVerifyChecksum(inout headers hdr, inout metadata meta) {
 
 control MyComputeChecksum(inout headers  hdr, inout metadata meta) {
     apply {
-        // GRRRRR update_checksum_with_payload(meta.calc_icmp6_checksum,
-		// GRRRRR  	{
-        // GRRRRR         hdr.ipv6.src_addr,         /* 128 */
-		// GRRRRR  		hdr.ipv6.dst_addr,         /* 128 */
-        // GRRRRR         16w0,                      /* 16 try implicit cast */
-        // GRRRRR         hdr.ipv6.payload_length,   /* 16 */
-        // GRRRRR         24w0,                      /* 24 0's */
-        // GRRRRR         PROTO_ICMP6                /* 8 */
-        // GRRRRR     },
-        // GRRRRR     hdr.icmp6.checksum,
-        // GRRRRR     HashAlgorithm.csum16
-        // GRRRRR );
+        update_checksum_with_payload(meta.do_cksum,
+		 	{
+                hdr.ipv6.src_addr,         /* 128 */
+		 		hdr.ipv6.dst_addr,         /* 128 */
+                16w0,                      /* 16 try implicit cast */
+                hdr.ipv6.payload_length,   /* 16 */
+                24w0,                      /* 24 0's */
+                PROTO_ICMP6                /* 8 */
+            },
+            hdr.icmp6.checksum,
+            HashAlgorithm.csum16
+        );
     }
 }