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SubjectRe: TCP bug?
> It is not good idea. Any module (CIPE in this case) outside of core cannot
> know, what generic fields in skb must be initialized in copying.

Yes, and it's ugly too :-)

> Most of fields in skb are strictly private to core.
> If you believe, that some primitive is missing,
> it would be better to submit it for inclusion to core.

Basically I need a version of skb_realloc_headroom that allows me to
specify needed headroom _and_ tailroom, because my driver adds a
"footer" in addition to its own header. I can well imagine there could
be real hardware drivers that need this too.


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