On Tue, 9 Jan 2001, David S. Miller wrote:
> Is there any value to supporting fragments in a driver which
> doesn't do hardware checksumming? IIRC Alexey had a patch to do
> such for Tulip, but I don't see it in the above patchset.
>
> I'm actually considering making the SG w/o hwcsum situation illegal.
i believe it might still make some limited sense for normal sendmsg()
and higher MTUs (or 8k NFS) - we could copy & checksum stuff into the
->tcp_page if SG is possible and thus the SG capability improves the VM.
(because we can allocate at PAGE_SIZE granularity.)
Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon Jan 15 2001 - 21:00:30 EST