netfilter: nf_tables: add stateful object reference expression

This new expression allows us to refer to existing stateful objects from
rules.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso
2016-11-28 00:05:38 +01:00
parent 173705d9a2
commit c97d22e68b
4 changed files with 133 additions and 0 deletions

View File

@@ -1137,6 +1137,20 @@ enum nft_fwd_attributes {
};
#define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
/**
* enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
*
* @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
* @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
*/
enum nft_objref_attributes {
NFTA_OBJREF_UNSPEC,
NFTA_OBJREF_IMM_TYPE,
NFTA_OBJREF_IMM_NAME,
__NFTA_OBJREF_MAX
};
#define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
/**
* enum nft_gen_attributes - nf_tables ruleset generation attributes
*