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netfilter: nf_tables: expression ops overloading

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Split the expression ops into two parts and support overloading of
the runtime expression ops based on the requested function through
a ->select_ops() callback.

This can be used to provide optimized implementations, for instance
for loading small aligned amounts of data from the packet or inlining
frequently used operations into the main evaluation loop.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Patrick McHardy 2013-10-10 11:41:20 +02:00 • committed by Pablo Neira Ayuso
commit ef1f7df917
17 changed files with 267 additions and 148 deletions
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