Bug#565404: linux-image-2.6.26-2-amd64: atl1e: TSO is broken
Ben Hutchings <ben@decadent.org.uk> wrote:
>
> Based on the TCP sequence numbers, it seems that the length of the
> broken packet is correct but its IP header is wrong.
>
> My understanding is that the length of the TCP payload in a GSO skb must
> always be a multiple of the gso_size, so that hardware is not required
> to adjust length fields. So I see several possible explanations:
No, there is no such requirement. The trailer skb can be of any
size less than or equal to gso_size.
However, if the hardware assumed this then yes it would explain
the problem.
Cheers,
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