Re: Are "skb->data" physically continuous?

[Jamie Lokier (jamie@shareable.org)]

Nick Patavalis wrote:
> How should the kernel be notified if the calculation of a checksum
> failed (checksum does not match). Reading the e100 source, I see that
> if the checksums (any of the checksums, I presume) of a packet are
> invalid, then the driver sets "skb->ip_summed" to CHECKSUM_NONE; but
> won't this force the kernel to re-calculate the checksums, although
> they are, in this case, a-priori known to be invalid?

I'm reading the 2.6.0-test5 e100 source, and I don't see anywhere
where it's set to CHECKSUM_NONE if the checksum is known to be
invalid.  I see CHECKSUM_UNNECESSARY in those cases.

-- Jamie
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