VMXNET3_MAX_TX_BUF_SIZE
(((size) + VMXNET3_MAX_TX_BUF_SIZE - 1) / VMXNET3_MAX_TX_BUF_SIZE)
if (len > VMXNET3_MAX_TX_BUF_SIZE) {
chunkLen = VMXNET3_MAX_TX_BUF_SIZE;
dw2 = chunkLen == VMXNET3_MAX_TX_BUF_SIZE ?