+ /* extra mbuf field is required to guess MSS */
+ vmxnet3_segs_dynfield_offset =
+ rte_mbuf_dynfield_register(&vmxnet3_segs_dynfield_desc);
+ if (vmxnet3_segs_dynfield_offset < 0) {
+ PMD_INIT_LOG(ERR, "Cannot register mbuf field.");
+ return -rte_errno;
+ }
+