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| author |   Laura Garcia Liebana <nevola@gmail.com> | 2016-08-18 12:13:13 +0200 |
|---|---|---|
| committer |   Pablo Neira Ayuso <pablo@netfilter.org> | 2016-08-22 11:42:22 +0200 |
| commit | 91dbc6be0a62d3bcea98287734d593610aed507d (patch) | |
| tree | 99b45cb0fc627a16fa2418f806b13ea1c7b0669e /include/uapi/linux/netfilter | |
| parent | netfilter: nf_tables: add quota expression (diff) | |
| download | linux-dev-91dbc6be0a62d3bcea98287734d593610aed507d.tar.xz linux-dev-91dbc6be0a62d3bcea98287734d593610aed507d.zip | |
netfilter: nf_tables: add number generator expression
This patch adds the numgen expression that allows us to generated
incremental and random numbers, this generator is bound to a upper limit
that is specified by userspace.
This expression is useful to distribute packets in a round-robin fashion
as well as randomly.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/uapi/linux/netfilter')
| -rw-r--r-- | include/uapi/linux/netfilter/nf_tables.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index 784fbf15ab3d..8c9d6ff70ec0 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -1121,4 +1121,28 @@ enum nft_trace_types { __NFT_TRACETYPE_MAX }; #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) + +/** + * enum nft_ng_attributes - nf_tables number generator expression netlink attributes + * + * @NFTA_NG_DREG: destination register (NLA_U32) + * @NFTA_NG_UNTIL: source value to increment the counter until reset (NLA_U32) + * @NFTA_NG_TYPE: operation type (NLA_U32) + */ +enum nft_ng_attributes { + NFTA_NG_UNSPEC, + NFTA_NG_DREG, + NFTA_NG_UNTIL, + NFTA_NG_TYPE, + __NFTA_NG_MAX +}; +#define NFTA_NG_MAX (__NFTA_NG_MAX - 1) + +enum nft_ng_types { + NFT_NG_INCREMENTAL, + NFT_NG_RANDOM, + __NFT_NG_MAX +}; +#define NFT_NG_MAX (__NFT_NG_MAX - 1) + #endif /* _LINUX_NF_TABLES_H */ |