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netfilter: nf_tables: add flag to indicate set contains expressions

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Add a set flag to indicate that the set is used as a state table and
contains expressions for evaluation. This operation is mutually
exclusive with the mapping operation, so sets specifying both are
rejected. The lookup expression also rejects binding to state tables
since it only deals with loopup and map operations.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Patrick McHardy 2015-04-11 10:46:41 +01:00 • committed by Pablo Neira Ayuso
commit 7c6c6e95a1
3 changed files with 11 additions and 2 deletions
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2
include/uapi/linux/netfilter/nf_tables.h
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@ -238,6 +238,7 @@ enum nft_rule_compat_attributes {
* @NFT_SET_INTERVAL: set contains intervals
* @NFT_SET_MAP: set is used as a dictionary
* @NFT_SET_TIMEOUT: set uses timeouts
* @NFT_SET_EVAL: set contains expressions for evaluation
*/
enum nft_set_flags {
NFT_SET_ANONYMOUS = 0x1,
@ -245,6 +246,7 @@ enum nft_set_flags {
NFT_SET_INTERVAL = 0x4,
NFT_SET_MAP = 0x8,
NFT_SET_TIMEOUT = 0x10,
NFT_SET_EVAL = 0x20,
};
/**