Re: TCP Checksum offload in 2.4.19

From: Bernd Eckenfels (ecki-news2002-09@lina.inka.de)
Date: Fri Sep 06 2002 - 17:58:25 EST


In article <1031245128.3d778d48988c9@imap.linux.ibm.com> you wrote:
> the sendmsg() case, the checksum is computed while doing
> the copy operation.

thats why it makes sence to have zerocopy with hw-checksum. there is only a
marginal time needed for a copy+chksum, but it is totally wasted time on
zero copy environment.

Gruss
Bernd
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