Don't automatically offload checksums

Author: dtwood

tm4c129x-hal/src/ethernet.rs

@@ -431,13 +431,13 @@ impl<'a> Device<'a> for EthernetDevice {
         cap.max_transmission_unit = TX_BUFFER_SIZE;
         cap.max_burst_size = Some(NUM_TX_DESCRIPTORS);
 
-        cap.checksum = ChecksumCapabilities::ignored();
-        cap.checksum.ipv4 = Checksum::None;
+        cap.checksum = ChecksumCapabilities::default();
+        // cap.checksum.ipv4 = Checksum::None;
         // cap.checksum.ipv6 = Checksum::None;
-        cap.checksum.udp = Checksum::None;
-        cap.checksum.tcp = Checksum::None;
-        cap.checksum.icmpv4 = Checksum::None;
-        cap.checksum.icmpv6 = Checksum::None;
+        // cap.checksum.udp = Checksum::None;
+        // cap.checksum.tcp = Checksum::None;
+        // cap.checksum.icmpv4 = Checksum::None;
+        // cap.checksum.icmpv6 = Checksum::None;
 
         cap
     }