net: cleanup and document skb fclone layout

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Lets use a proper structure to clearly document and implement
skb fast clones.

Then, we might experiment more easily alternative layouts.

This patch adds a new skb_fclone_busy() helper, used by tcp and xfrm,
to stop leaking of implementation details.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2014-09-29 13:29:15 -07:00 • committed by David S. Miller

parent b248230c34

commit d0bf4a9e92

4 changed files with 47 additions and 28 deletions

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include/linux/skbuff.h

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