EF100 doesn't need to split up large DMAs.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
/* Map the fragment taking account of NIC-dependent DMA limits. */
do {
buffer = efx_tx_queue_get_insert_buffer(tx_queue);
- dma_len = nic_type->tx_limit_len(tx_queue, dma_addr, len);
+
+ if (nic_type->tx_limit_len)
+ dma_len = nic_type->tx_limit_len(tx_queue, dma_addr, len);
+ else
+ dma_len = len;
buffer->len = dma_len;
buffer->dma_addr = dma_addr;