VMXNET3_RXM_MCAST
ASSERT(!(dp->rxMode & VMXNET3_RXM_MCAST));
dp->rxMode |= VMXNET3_RXM_MCAST;
ASSERT(dp->rxMode & VMXNET3_RXM_MCAST);
dp->rxMode &= ~VMXNET3_RXM_MCAST;