diff options
Diffstat (limited to 'include/uapi/linux/netfilter/nf_tables.h')
| -rw-r--r-- | include/uapi/linux/netfilter/nf_tables.h | 80 |
1 files changed, 79 insertions, 1 deletions
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index 832bc46db78b..5fa1cd04762e 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -1,19 +1,49 @@ #ifndef _LINUX_NF_TABLES_H #define _LINUX_NF_TABLES_H +#define NFT_TABLE_MAXNAMELEN 32 #define NFT_CHAIN_MAXNAMELEN 32 #define NFT_USERDATA_MAXLEN 256 +/** + * enum nft_registers - nf_tables registers + * + * nf_tables used to have five registers: a verdict register and four data + * registers of size 16. The data registers have been changed to 16 registers + * of size 4. For compatibility reasons, the NFT_REG_[1-4] registers still + * map to areas of size 16, the 4 byte registers are addressed using + * NFT_REG32_00 - NFT_REG32_15. + */ enum nft_registers { NFT_REG_VERDICT, NFT_REG_1, NFT_REG_2, NFT_REG_3, NFT_REG_4, - __NFT_REG_MAX + __NFT_REG_MAX, + + NFT_REG32_00 = 8, + MFT_REG32_01, + NFT_REG32_02, + NFT_REG32_03, + NFT_REG32_04, + NFT_REG32_05, + NFT_REG32_06, + NFT_REG32_07, + NFT_REG32_08, + NFT_REG32_09, + NFT_REG32_10, + NFT_REG32_11, + NFT_REG32_12, + NFT_REG32_13, + NFT_REG32_14, + NFT_REG32_15, }; #define NFT_REG_MAX (__NFT_REG_MAX - 1) +#define NFT_REG_SIZE 16 +#define NFT_REG32_SIZE 4 + /** * enum nft_verdicts - nf_tables internal verdicts * @@ -207,12 +237,16 @@ enum nft_rule_compat_attributes { * @NFT_SET_CONSTANT: set contents may not change while bound * @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, NFT_SET_CONSTANT = 0x2, NFT_SET_INTERVAL = 0x4, NFT_SET_MAP = 0x8, + NFT_SET_TIMEOUT = 0x10, + NFT_SET_EVAL = 0x20, }; /** @@ -251,6 +285,8 @@ enum nft_set_desc_attributes { * @NFTA_SET_POLICY: selection policy (NLA_U32) * @NFTA_SET_DESC: set description (NLA_NESTED) * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) + * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) + * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) */ enum nft_set_attributes { NFTA_SET_UNSPEC, @@ -264,6 +300,8 @@ enum nft_set_attributes { NFTA_SET_POLICY, NFTA_SET_DESC, NFTA_SET_ID, + NFTA_SET_TIMEOUT, + NFTA_SET_GC_INTERVAL, __NFTA_SET_MAX }; #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) @@ -283,12 +321,20 @@ enum nft_set_elem_flags { * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) + * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64) + * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) + * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) + * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) */ enum nft_set_elem_attributes { NFTA_SET_ELEM_UNSPEC, NFTA_SET_ELEM_KEY, NFTA_SET_ELEM_DATA, NFTA_SET_ELEM_FLAGS, + NFTA_SET_ELEM_TIMEOUT, + NFTA_SET_ELEM_EXPIRATION, + NFTA_SET_ELEM_USERDATA, + NFTA_SET_ELEM_EXPR, __NFTA_SET_ELEM_MAX }; #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) @@ -346,6 +392,9 @@ enum nft_data_attributes { }; #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) +/* Maximum length of a value */ +#define NFT_DATA_VALUE_MAXLEN 64 + /** * enum nft_verdict_attributes - nf_tables verdict netlink attributes * @@ -504,6 +553,35 @@ enum nft_lookup_attributes { }; #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) +enum nft_dynset_ops { + NFT_DYNSET_OP_ADD, + NFT_DYNSET_OP_UPDATE, +}; + +/** + * enum nft_dynset_attributes - dynset expression attributes + * + * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) + * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) + * @NFTA_DYNSET_OP: operation (NLA_U32) + * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) + * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) + * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) + * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) + */ +enum nft_dynset_attributes { + NFTA_DYNSET_UNSPEC, + NFTA_DYNSET_SET_NAME, + NFTA_DYNSET_SET_ID, + NFTA_DYNSET_OP, + NFTA_DYNSET_SREG_KEY, + NFTA_DYNSET_SREG_DATA, + NFTA_DYNSET_TIMEOUT, + NFTA_DYNSET_EXPR, + __NFTA_DYNSET_MAX, +}; +#define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) + /** * enum nft_payload_bases - nf_tables payload expression offset bases * |