Re: [UPDATE] Zerocopy patches, against 2.4.1-pre10

[David S. Miller]

Steve Whitehouse writes:
 > Do you mean that devices will not be able to indicate support of SG seperately
 > from hw checksum or that the IP zerocopy will simply ignore devices which
 > do not have both ?

IP will ignore devices which do not have both.

 > DECnet assumes that the mac level checksum will detect all errors and does
 > not have a checksum of its own on data, so it would only need SG to benefit
 > from the zerocopy framework,

Which is just fine.

Later,
David S. Miller
[e-mail]