netfilter: nf_tables: add transaction helper functions

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Add some helper functions for building the genmask as preparation for
set transactions.

Also add a little documentation how this stuff actually works.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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Patrick McHardy 2015-03-25 14:08:49 +00:00 • committed by Pablo Neira Ayuso

parent b2832dd662

commit ea4bd995b0

3 changed files with 35 additions and 16 deletions

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28

include/net/netfilter/nf_tables.h

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17

net/netfilter/nf_tables_api.c

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6

net/netfilter/nf_tables_core.c

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