diff --git a/generators/example/src/main/scala/ConfigMixins.scala b/generators/example/src/main/scala/ConfigMixins.scala
index 9454d9b5..f06cd5f4 100644
--- a/generators/example/src/main/scala/ConfigMixins.scala
+++ b/generators/example/src/main/scala/ConfigMixins.scala
@@ -220,7 +220,8 @@ class WithIceNIC(inBufFlits: Int = 1800, usePauser: Boolean = false)
     extends Config((site, here, up) => {
   case NICKey => NICConfig(
     inBufFlits = inBufFlits,
-    usePauser = usePauser)
+    usePauser = usePauser,
+    checksumOffload = true)
 })
 
 class WithLoopbackNICTop extends Config((site, here, up) => {
diff --git a/generators/firechip/src/main/scala/TargetConfigs.scala b/generators/firechip/src/main/scala/TargetConfigs.scala
index f7961c14..4cb0b990 100644
--- a/generators/firechip/src/main/scala/TargetConfigs.scala
+++ b/generators/firechip/src/main/scala/TargetConfigs.scala
@@ -52,7 +52,8 @@ class WithBlockDevice extends Config(new testchipip.WithBlockDevice)
 class WithNICKey extends Config((site, here, up) => {
   case NICKey => NICConfig(
     inBufFlits = 8192,
-    ctrlQueueDepth = 64)
+    ctrlQueueDepth = 64,
+    checksumOffload = true)
 })
 
 class WithRocketL2TLBs(entries: Int) extends Config((site, here, up) => {
diff --git a/generators/icenet b/generators/icenet
index 77eb7eff..87b3bf5e 160000
--- a/generators/icenet
+++ b/generators/icenet
@@ -1 +1 @@
-Subproject commit 77eb7eff2e6f39aa971f53f3c3ffbb27cc9bab2d
+Subproject commit 87b3bf5e46da3db6f9a653fdd6786699c075bff3