[ONOS-7128] Initial commit of fabric.p4
Change-Id: I5224c411a1eccdbee84b1fc0b1824c5fa922f689
diff --git a/pipelines/fabric/src/main/resources/include/checksum.p4 b/pipelines/fabric/src/main/resources/include/checksum.p4
new file mode 100644
index 0000000..9931090
--- /dev/null
+++ b/pipelines/fabric/src/main/resources/include/checksum.p4
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __CHECKSUM__
+#define __CHECKSUM__
+
+control FabricComputeChecksum(inout parsed_headers_t hdr,
+ inout fabric_metadata_t meta)
+{
+ apply {
+ update_checksum(hdr.ipv4.isValid(),
+ {
+ hdr.ipv4.version,
+ hdr.ipv4.ihl,
+ hdr.ipv4.diffserv,
+ hdr.ipv4.total_len,
+ hdr.ipv4.identification,
+ hdr.ipv4.flags,
+ hdr.ipv4.frag_offset,
+ hdr.ipv4.ttl,
+ hdr.ipv4.protocol,
+ hdr.ipv4.src_addr,
+ hdr.ipv4.dst_addr
+ },
+ hdr.ipv4.hdr_checksum,
+ HashAlgorithm.csum16
+ );
+ update_checksum(hdr.icmp.isValid(),
+ {
+ hdr.icmp.icmp_type,
+ hdr.icmp.icmp_code
+ },
+ hdr.icmp.checksum,
+ HashAlgorithm.csum16
+ );
+ }
+}
+
+control FabricVerifyChecksum(inout parsed_headers_t hdr,
+ inout fabric_metadata_t meta)
+{
+ apply {
+ verify_checksum(hdr.ipv4.isValid(),
+ {
+ hdr.ipv4.version,
+ hdr.ipv4.ihl,
+ hdr.ipv4.diffserv,
+ hdr.ipv4.total_len,
+ hdr.ipv4.identification,
+ hdr.ipv4.flags,
+ hdr.ipv4.frag_offset,
+ hdr.ipv4.ttl,
+ hdr.ipv4.protocol,
+ hdr.ipv4.src_addr,
+ hdr.ipv4.dst_addr
+ },
+ hdr.ipv4.hdr_checksum,
+ HashAlgorithm.csum16
+ );
+ verify_checksum(hdr.icmp.isValid(),
+ {
+ hdr.icmp.icmp_type,
+ hdr.icmp.icmp_code
+ },
+ hdr.icmp.checksum,
+ HashAlgorithm.csum16
+ );
+ }
+}
+
+#endif