[Click] click to driver interaction

[Roman Chertov]

Also in ToDevice element when a packet is queued then it gets eventually 
copied onto the TX ring buffer through a DMA transfer.  Could one 
achieve better performance by batching these packets in ToDevice and 
then writing all of them at once with a single DMA transfer?

Roman Chertov wrote:
> Hello,
> 	After messing with the driver code it seems that polling is used to 
> receive packets but direct function calls are used used to transmit 
> them.  (e1000_xmit_frame or the e1000_tx_pqueue variant).  So if you 
> have a device with 256 descriptors then you would copy some number of 
> descriptors into the ring and then call e1000_tx_eob (when BURST number 
> of packets is reached), right?
> 
> 
> Roman
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