The headers that means, and for real network controllers (the ones that
actually come in computers for normal people) the checksums.
> > The header can be in multiple parts. Also stuff like the NFS rpc code would
> > need a rewrite to cope with fragmented rpc headers
>
> I certainly agree on the need to have the headers in one fragment, but
> that still doesn't mean we need to reassemble _all_ fragments.
No it means we need something akin to BSD m_pullup()