Re: interesting paper at usenix...

[Jason Thorpe <thorpej@xxxxxxxxxxxxxx>]

On Jun 29, 2008, at 2:45 AM, Matt Fleming wrote:

> I don't think packet aggregation is feasible for NetBSD in general
> because of this statement,

Uh, it's really easy to determine that at run-time.


> "Packet aggregation is done only for valid TCP packets, i.e., those  
> with
> a valid TCP and IP checksum. We verify only the IP checksum field of  
> the
> network TCP packet before it is used for aggregation. For the TCP
> checksum, we assume the common case that the NIC supports checksum
> offloading, and has validated the TCP checksum. This is because
> verifying the TCP checksum in software would make the aggregation
> expensive."
>
> Matt

-- thorpej