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xen-devel
RE: [Xen-devel] [PATCH] Network Checksum Removal
> > I'm surprised there's much benefit to csum offload on the
> tx side at
> > all as its almost always done as part of a copy.
>
> Why? The tx checksumming is just as expensive as the rx checksumming.
[Nivedita has already posted a nice explanation.]
> There is a patch on netdev which can decrease the CPU load of
> bridging.
> specifically, it allows the bridge device to take advantage
> of the network device features (like hardware checksum
> offload). Stephen Hemminger says it should go in the 2.6.13 kernel.
Please can you post it as a patch so that we can include it in our
2.6.11 patches directory.
With the patch, csum offload will be much more interesting in the rx
case
Thanks,
Ian
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