VMXNET3_CSUM_OFFLOAD
hwassist |= VMXNET3_CSUM_OFFLOAD;
if (m->m_pkthdr.csum_flags & (VMXNET3_CSUM_OFFLOAD |
(VMXNET3_CSUM_OFFLOAD | VMXNET3_CSUM_OFFLOAD_IPV6 | CSUM_TSO)