1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _LINUX_NF_TABLES_H
3 #define _LINUX_NF_TABLES_H
5 #define NFT_NAME_MAXLEN 256
6 #define NFT_TABLE_MAXNAMELEN NFT_NAME_MAXLEN
7 #define NFT_CHAIN_MAXNAMELEN NFT_NAME_MAXLEN
8 #define NFT_SET_MAXNAMELEN NFT_NAME_MAXLEN
9 #define NFT_OBJ_MAXNAMELEN NFT_NAME_MAXLEN
10 #define NFT_USERDATA_MAXLEN 256
11 #define NFT_OSF_MAXGENRELEN 16
14 * enum nft_registers - nf_tables registers
16 * nf_tables used to have five registers: a verdict register and four data
17 * registers of size 16. The data registers have been changed to 16 registers
18 * of size 4. For compatibility reasons, the NFT_REG_[1-4] registers still
19 * map to areas of size 16, the 4 byte registers are addressed using
20 * NFT_REG32_00 - NFT_REG32_15.
47 #define NFT_REG_MAX (__NFT_REG_MAX - 1)
49 #define NFT_REG_SIZE 16
50 #define NFT_REG32_SIZE 4
51 #define NFT_REG32_COUNT (NFT_REG32_15 - NFT_REG32_00 + 1)
54 * enum nft_verdicts - nf_tables internal verdicts
56 * @NFT_CONTINUE: continue evaluation of the current rule
57 * @NFT_BREAK: terminate evaluation of the current rule
58 * @NFT_JUMP: push the current chain on the jump stack and jump to a chain
59 * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack
60 * @NFT_RETURN: return to the topmost chain on the jump stack
62 * The nf_tables verdicts share their numeric space with the netfilter verdicts.
73 * enum nf_tables_msg_types - nf_tables netlink message types
75 * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes)
76 * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes)
77 * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes)
78 * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes)
79 * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes)
80 * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes)
81 * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes)
82 * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes)
83 * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes)
84 * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes)
85 * @NFT_MSG_GETSET: get a set (enum nft_set_attributes)
86 * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes)
87 * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes)
88 * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes)
89 * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes)
90 * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes)
91 * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes)
92 * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes)
93 * @NFT_MSG_NEWOBJ: create a stateful object (enum nft_obj_attributes)
94 * @NFT_MSG_GETOBJ: get a stateful object (enum nft_obj_attributes)
95 * @NFT_MSG_DELOBJ: delete a stateful object (enum nft_obj_attributes)
96 * @NFT_MSG_GETOBJ_RESET: get and reset a stateful object (enum nft_obj_attributes)
97 * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes)
98 * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes)
99 * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes)
101 enum nf_tables_msg_types {
123 NFT_MSG_GETOBJ_RESET,
124 NFT_MSG_NEWFLOWTABLE,
125 NFT_MSG_GETFLOWTABLE,
126 NFT_MSG_DELFLOWTABLE,
131 * enum nft_list_attributes - nf_tables generic list netlink attributes
133 * @NFTA_LIST_ELEM: list element (NLA_NESTED)
135 enum nft_list_attributes {
140 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1)
143 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes
145 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32)
146 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
147 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING)
148 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED)
150 enum nft_hook_attributes {
158 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1)
161 * enum nft_table_flags - nf_tables table flags
163 * @NFT_TABLE_F_DORMANT: this table is not active
165 enum nft_table_flags {
166 NFT_TABLE_F_DORMANT = 0x1,
167 NFT_TABLE_F_OWNER = 0x2,
169 #define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | \
173 * enum nft_table_attributes - nf_tables table netlink attributes
175 * @NFTA_TABLE_NAME: name of the table (NLA_STRING)
176 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)
177 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)
178 * @NFTA_TABLE_USERDATA: user data (NLA_BINARY)
179 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32)
181 enum nft_table_attributes {
192 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)
194 enum nft_chain_flags {
195 NFT_CHAIN_BASE = (1 << 0),
196 NFT_CHAIN_HW_OFFLOAD = (1 << 1),
197 NFT_CHAIN_BINDING = (1 << 2),
199 #define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \
200 NFT_CHAIN_HW_OFFLOAD | \
204 * enum nft_chain_attributes - nf_tables chain netlink attributes
206 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING)
207 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64)
208 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING)
209 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes)
210 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32)
211 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32)
212 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING)
213 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes)
214 * @NFTA_CHAIN_FLAGS: chain flags
215 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32)
216 * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY)
218 enum nft_chain_attributes {
234 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1)
237 * enum nft_rule_attributes - nf_tables rule netlink attributes
239 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)
240 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)
241 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)
242 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
243 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
244 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
245 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
246 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)
247 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32)
249 enum nft_rule_attributes {
254 NFTA_RULE_EXPRESSIONS,
260 NFTA_RULE_POSITION_ID,
264 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1)
267 * enum nft_rule_compat_flags - nf_tables rule compat flags
269 * @NFT_RULE_COMPAT_F_INV: invert the check result
271 enum nft_rule_compat_flags {
272 NFT_RULE_COMPAT_F_INV = (1 << 1),
273 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,
277 * enum nft_rule_compat_attributes - nf_tables rule compat attributes
279 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)
280 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)
282 enum nft_rule_compat_attributes {
283 NFTA_RULE_COMPAT_UNSPEC,
284 NFTA_RULE_COMPAT_PROTO,
285 NFTA_RULE_COMPAT_FLAGS,
286 __NFTA_RULE_COMPAT_MAX
288 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1)
291 * enum nft_set_flags - nf_tables set flags
293 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink
294 * @NFT_SET_CONSTANT: set contents may not change while bound
295 * @NFT_SET_INTERVAL: set contains intervals
296 * @NFT_SET_MAP: set is used as a dictionary
297 * @NFT_SET_TIMEOUT: set uses timeouts
298 * @NFT_SET_EVAL: set can be updated from the evaluation path
299 * @NFT_SET_OBJECT: set contains stateful objects
300 * @NFT_SET_CONCAT: set contains a concatenation
301 * @NFT_SET_EXPR: set contains expressions
304 NFT_SET_ANONYMOUS = 0x1,
305 NFT_SET_CONSTANT = 0x2,
306 NFT_SET_INTERVAL = 0x4,
308 NFT_SET_TIMEOUT = 0x10,
310 NFT_SET_OBJECT = 0x40,
311 NFT_SET_CONCAT = 0x80,
312 NFT_SET_EXPR = 0x100,
316 * enum nft_set_policies - set selection policy
318 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use
319 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance
321 enum nft_set_policies {
322 NFT_SET_POL_PERFORMANCE,
327 * enum nft_set_desc_attributes - set element description
329 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)
330 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED)
332 enum nft_set_desc_attributes {
333 NFTA_SET_DESC_UNSPEC,
335 NFTA_SET_DESC_CONCAT,
338 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1)
341 * enum nft_set_field_attributes - attributes of concatenated fields
343 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32)
345 enum nft_set_field_attributes {
346 NFTA_SET_FIELD_UNSPEC,
350 #define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1)
353 * enum nft_set_attributes - nf_tables set netlink attributes
355 * @NFTA_SET_TABLE: table name (NLA_STRING)
356 * @NFTA_SET_NAME: set name (NLA_STRING)
357 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)
358 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)
359 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)
360 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)
361 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)
362 * @NFTA_SET_POLICY: selection policy (NLA_U32)
363 * @NFTA_SET_DESC: set description (NLA_NESTED)
364 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
365 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)
366 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)
367 * @NFTA_SET_USERDATA: user data (NLA_BINARY)
368 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)
369 * @NFTA_SET_HANDLE: set handle (NLA_U64)
370 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes)
371 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
373 enum nft_set_attributes {
386 NFTA_SET_GC_INTERVAL,
392 NFTA_SET_EXPRESSIONS,
395 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1)
398 * enum nft_set_elem_flags - nf_tables set element flags
400 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
401 * @NFT_SET_ELEM_CATCHALL: special catch-all element
403 enum nft_set_elem_flags {
404 NFT_SET_ELEM_INTERVAL_END = 0x1,
405 NFT_SET_ELEM_CATCHALL = 0x2,
409 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
411 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
412 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
413 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
414 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)
415 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
416 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
417 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
418 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
419 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data)
420 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
422 enum nft_set_elem_attributes {
423 NFTA_SET_ELEM_UNSPEC,
427 NFTA_SET_ELEM_TIMEOUT,
428 NFTA_SET_ELEM_EXPIRATION,
429 NFTA_SET_ELEM_USERDATA,
432 NFTA_SET_ELEM_OBJREF,
433 NFTA_SET_ELEM_KEY_END,
434 NFTA_SET_ELEM_EXPRESSIONS,
437 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)
440 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
442 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
443 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
444 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
445 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
447 enum nft_set_elem_list_attributes {
448 NFTA_SET_ELEM_LIST_UNSPEC,
449 NFTA_SET_ELEM_LIST_TABLE,
450 NFTA_SET_ELEM_LIST_SET,
451 NFTA_SET_ELEM_LIST_ELEMENTS,
452 NFTA_SET_ELEM_LIST_SET_ID,
453 __NFTA_SET_ELEM_LIST_MAX
455 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)
458 * enum nft_data_types - nf_tables data types
460 * @NFT_DATA_VALUE: generic data
461 * @NFT_DATA_VERDICT: netfilter verdict
463 * The type of data is usually determined by the kernel directly and is not
464 * explicitly specified by userspace. The only difference are sets, where
465 * userspace specifies the key and mapping data types.
467 * The values 0xffffff00-0xffffffff are reserved for internally used types.
468 * The remaining range can be freely used by userspace to encode types, all
469 * values are equivalent to NFT_DATA_VALUE.
471 enum nft_data_types {
473 NFT_DATA_VERDICT = 0xffffff00U,
476 #define NFT_DATA_RESERVED_MASK 0xffffff00U
479 * enum nft_data_attributes - nf_tables data netlink attributes
481 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
482 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
484 enum nft_data_attributes {
490 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)
492 /* Maximum length of a value */
493 #define NFT_DATA_VALUE_MAXLEN 64
496 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
498 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
499 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
500 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32)
502 enum nft_verdict_attributes {
506 NFTA_VERDICT_CHAIN_ID,
509 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)
512 * enum nft_expr_attributes - nf_tables expression netlink attributes
514 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
515 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
517 enum nft_expr_attributes {
523 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)
526 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
528 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
529 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
531 enum nft_immediate_attributes {
532 NFTA_IMMEDIATE_UNSPEC,
537 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)
540 * enum nft_bitwise_ops - nf_tables bitwise operations
542 * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and
543 * XOR boolean operations
544 * @NFT_BITWISE_LSHIFT: left-shift operation
545 * @NFT_BITWISE_RSHIFT: right-shift operation
547 enum nft_bitwise_ops {
554 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
556 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
557 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
558 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
559 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
560 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
561 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops)
562 * @NFTA_BITWISE_DATA: argument for non-boolean operations
563 * (NLA_NESTED: nft_data_attributes)
565 * The bitwise expression supports boolean and shift operations. It implements
566 * the boolean operations by performing the following operation:
568 * dreg = (sreg & mask) ^ xor
570 * with these mask and xor values:
578 enum nft_bitwise_attributes {
589 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)
592 * enum nft_byteorder_ops - nf_tables byteorder operators
594 * @NFT_BYTEORDER_NTOH: network to host operator
595 * @NFT_BYTEORDER_HTON: host to network operator
597 enum nft_byteorder_ops {
603 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
605 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
606 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
607 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
608 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
609 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
611 enum nft_byteorder_attributes {
612 NFTA_BYTEORDER_UNSPEC,
620 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)
623 * enum nft_cmp_ops - nf_tables relational operator
626 * @NFT_CMP_NEQ: not equal
627 * @NFT_CMP_LT: less than
628 * @NFT_CMP_LTE: less than or equal to
629 * @NFT_CMP_GT: greater than
630 * @NFT_CMP_GTE: greater than or equal to
642 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
644 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
645 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
646 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
648 enum nft_cmp_attributes {
655 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)
658 * enum nft_range_ops - nf_tables range operator
660 * @NFT_RANGE_EQ: equal
661 * @NFT_RANGE_NEQ: not equal
669 * enum nft_range_attributes - nf_tables range expression netlink attributes
671 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
672 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops)
673 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
674 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
676 enum nft_range_attributes {
680 NFTA_RANGE_FROM_DATA,
684 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)
686 enum nft_lookup_flags {
687 NFT_LOOKUP_F_INV = (1 << 0),
691 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
693 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
694 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
695 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
696 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
697 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
699 enum nft_lookup_attributes {
708 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)
710 enum nft_dynset_ops {
712 NFT_DYNSET_OP_UPDATE,
713 NFT_DYNSET_OP_DELETE,
716 enum nft_dynset_flags {
717 NFT_DYNSET_F_INV = (1 << 0),
718 NFT_DYNSET_F_EXPR = (1 << 1),
722 * enum nft_dynset_attributes - dynset expression attributes
724 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
725 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
726 * @NFTA_DYNSET_OP: operation (NLA_U32)
727 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
728 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
729 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
730 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
731 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
732 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
734 enum nft_dynset_attributes {
736 NFTA_DYNSET_SET_NAME,
739 NFTA_DYNSET_SREG_KEY,
740 NFTA_DYNSET_SREG_DATA,
745 NFTA_DYNSET_EXPRESSIONS,
748 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)
751 * enum nft_payload_bases - nf_tables payload expression offset bases
753 * @NFT_PAYLOAD_LL_HEADER: link layer header
754 * @NFT_PAYLOAD_NETWORK_HEADER: network header
755 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
756 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload
758 enum nft_payload_bases {
759 NFT_PAYLOAD_LL_HEADER,
760 NFT_PAYLOAD_NETWORK_HEADER,
761 NFT_PAYLOAD_TRANSPORT_HEADER,
762 NFT_PAYLOAD_INNER_HEADER,
766 * enum nft_payload_csum_types - nf_tables payload expression checksum types
768 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
769 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
770 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309)
772 enum nft_payload_csum_types {
773 NFT_PAYLOAD_CSUM_NONE,
774 NFT_PAYLOAD_CSUM_INET,
775 NFT_PAYLOAD_CSUM_SCTP,
778 enum nft_payload_csum_flags {
779 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
783 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
785 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
786 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
787 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
788 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
789 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
790 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
791 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
792 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
794 enum nft_payload_attributes {
801 NFTA_PAYLOAD_CSUM_TYPE,
802 NFTA_PAYLOAD_CSUM_OFFSET,
803 NFTA_PAYLOAD_CSUM_FLAGS,
806 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)
808 enum nft_exthdr_flags {
809 NFT_EXTHDR_F_PRESENT = (1 << 0),
813 * enum nft_exthdr_op - nf_tables match options
815 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
816 * @NFT_EXTHDR_OP_TCP: match against tcp options
817 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options
818 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks
822 NFT_EXTHDR_OP_TCPOPT,
827 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)
830 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
832 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
833 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
834 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
835 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
836 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
837 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
838 * @NFTA_EXTHDR_SREG: option match type (NLA_U32)
840 enum nft_exthdr_attributes {
851 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)
854 * enum nft_meta_keys - nf_tables meta expression keys
856 * @NFT_META_LEN: packet length (skb->len)
857 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
858 * @NFT_META_PRIORITY: packet priority (skb->priority)
859 * @NFT_META_MARK: packet mark (skb->mark)
860 * @NFT_META_IIF: packet input interface index (dev->ifindex)
861 * @NFT_META_OIF: packet output interface index (dev->ifindex)
862 * @NFT_META_IIFNAME: packet input interface name (dev->name)
863 * @NFT_META_OIFNAME: packet output interface name (dev->name)
864 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
865 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
866 * @NFT_META_SKUID: originating socket UID (fsuid)
867 * @NFT_META_SKGID: originating socket GID (fsgid)
868 * @NFT_META_NFTRACE: packet nftrace bit
869 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
870 * @NFT_META_SECMARK: packet secmark (skb->secmark)
871 * @NFT_META_NFPROTO: netfilter protocol
872 * @NFT_META_L4PROTO: layer 4 protocol number
873 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
874 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
875 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
876 * @NFT_META_CPU: cpu id through smp_processor_id()
877 * @NFT_META_IIFGROUP: packet input interface group
878 * @NFT_META_OIFGROUP: packet output interface group
879 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
880 * @NFT_META_PRANDOM: a 32bit pseudo-random number
881 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
882 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
883 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
884 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid
885 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto
886 * @NFT_META_TIME_NS: time since epoch (in nanoseconds)
887 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday)
888 * @NFT_META_TIME_HOUR: hour of day (in seconds)
889 * @NFT_META_SDIF: slave device interface index
890 * @NFT_META_SDIFNAME: slave device interface name
902 #define NFT_META_IIFTYPE NFT_META_IFTYPE
911 NFT_META_BRI_IIFNAME,
912 NFT_META_BRI_OIFNAME,
922 NFT_META_BRI_IIFPVID,
923 NFT_META_BRI_IIFVPROTO,
933 * enum nft_rt_keys - nf_tables routing expression keys
935 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
936 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
937 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
938 * @NFT_RT_TCPMSS: fetch current path tcp mss
939 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL
949 #define NFT_RT_MAX (__NFT_RT_MAX - 1)
952 * enum nft_hash_types - nf_tables hash expression types
954 * @NFT_HASH_JENKINS: Jenkins Hash
955 * @NFT_HASH_SYM: Symmetric Hash
957 enum nft_hash_types {
963 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
965 * @NFTA_HASH_SREG: source register (NLA_U32)
966 * @NFTA_HASH_DREG: destination register (NLA_U32)
967 * @NFTA_HASH_LEN: source data length (NLA_U32)
968 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
969 * @NFTA_HASH_SEED: seed value (NLA_U32)
970 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
971 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
972 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
973 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
975 enum nft_hash_attributes {
984 NFTA_HASH_SET_NAME, /* deprecated */
985 NFTA_HASH_SET_ID, /* deprecated */
988 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)
991 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
993 * @NFTA_META_DREG: destination register (NLA_U32)
994 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
995 * @NFTA_META_SREG: source register (NLA_U32)
997 enum nft_meta_attributes {
1004 #define NFTA_META_MAX (__NFTA_META_MAX - 1)
1007 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
1009 * @NFTA_RT_DREG: destination register (NLA_U32)
1010 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
1012 enum nft_rt_attributes {
1018 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1)
1021 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
1023 * @NFTA_SOCKET_KEY: socket key to match
1024 * @NFTA_SOCKET_DREG: destination register
1025 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2)
1027 enum nft_socket_attributes {
1034 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)
1037 * enum nft_socket_keys - nf_tables socket expression keys
1039 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option
1040 * @NFT_SOCKET_MARK: Value of the socket mark
1041 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0)
1042 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2
1044 enum nft_socket_keys {
1045 NFT_SOCKET_TRANSPARENT,
1047 NFT_SOCKET_WILDCARD,
1048 NFT_SOCKET_CGROUPV2,
1051 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)
1054 * enum nft_ct_keys - nf_tables ct expression keys
1056 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
1057 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
1058 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
1059 * @NFT_CT_MARK: conntrack mark value
1060 * @NFT_CT_SECMARK: conntrack secmark value
1061 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
1062 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
1063 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
1064 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
1065 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
1066 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
1067 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
1068 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
1069 * @NFT_CT_LABELS: conntrack labels
1070 * @NFT_CT_PKTS: conntrack packets
1071 * @NFT_CT_BYTES: conntrack bytes
1072 * @NFT_CT_AVGPKT: conntrack average bytes per packet
1073 * @NFT_CT_ZONE: conntrack zone
1074 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
1075 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
1076 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
1077 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
1078 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
1079 * @NFT_CT_ID: conntrack id
1108 #define NFT_CT_MAX (__NFT_CT_MAX - 1)
1111 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
1113 * @NFTA_CT_DREG: destination register (NLA_U32)
1114 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
1115 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
1116 * @NFTA_CT_SREG: source register (NLA_U32)
1118 enum nft_ct_attributes {
1126 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
1129 * enum nft_flow_attributes - ct offload expression attributes
1130 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1132 enum nft_offload_attributes {
1134 NFTA_FLOW_TABLE_NAME,
1137 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)
1139 enum nft_limit_type {
1144 enum nft_limit_flags {
1145 NFT_LIMIT_F_INV = (1 << 0),
1149 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1151 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1152 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1153 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1154 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1155 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1157 enum nft_limit_attributes {
1167 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
1169 enum nft_connlimit_flags {
1170 NFT_CONNLIMIT_F_INV = (1 << 0),
1174 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1176 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1177 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1179 enum nft_connlimit_attributes {
1180 NFTA_CONNLIMIT_UNSPEC,
1181 NFTA_CONNLIMIT_COUNT,
1182 NFTA_CONNLIMIT_FLAGS,
1183 __NFTA_CONNLIMIT_MAX
1185 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)
1188 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1190 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1191 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1193 enum nft_counter_attributes {
1194 NFTA_COUNTER_UNSPEC,
1196 NFTA_COUNTER_PACKETS,
1200 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)
1203 * enum nft_last_attributes - nf_tables last expression netlink attributes
1205 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32)
1206 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64)
1208 enum nft_last_attributes {
1215 #define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1)
1218 * enum nft_log_attributes - nf_tables log expression netlink attributes
1220 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32)
1221 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1222 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1223 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32)
1224 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1225 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1227 enum nft_log_attributes {
1232 NFTA_LOG_QTHRESHOLD,
1237 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)
1240 * enum nft_log_level - nf_tables log levels
1242 * @NFT_LOGLEVEL_EMERG: system is unusable
1243 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
1244 * @NFT_LOGLEVEL_CRIT: critical conditions
1245 * @NFT_LOGLEVEL_ERR: error conditions
1246 * @NFT_LOGLEVEL_WARNING: warning conditions
1247 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
1248 * @NFT_LOGLEVEL_INFO: informational
1249 * @NFT_LOGLEVEL_DEBUG: debug-level messages
1250 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
1252 enum nft_log_level {
1257 NFT_LOGLEVEL_WARNING,
1258 NFT_LOGLEVEL_NOTICE,
1264 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1)
1267 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1269 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1270 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1271 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1272 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1274 enum nft_queue_attributes {
1279 NFTA_QUEUE_SREG_QNUM,
1282 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)
1284 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */
1285 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */
1286 #define NFT_QUEUE_FLAG_MASK 0x03
1288 enum nft_quota_flags {
1289 NFT_QUOTA_F_INV = (1 << 0),
1290 NFT_QUOTA_F_DEPLETED = (1 << 1),
1294 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1296 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1297 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1298 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1300 enum nft_quota_attributes {
1305 NFTA_QUOTA_CONSUMED,
1308 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)
1311 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes
1313 * @NFTA_SECMARK_CTX: security context (NLA_STRING)
1315 enum nft_secmark_attributes {
1316 NFTA_SECMARK_UNSPEC,
1320 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1)
1322 /* Max security context length */
1323 #define NFT_SECMARK_CTX_MAXLEN 256
1326 * enum nft_reject_types - nf_tables reject expression reject types
1328 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1329 * @NFT_REJECT_TCP_RST: reject using TCP RST
1330 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1332 enum nft_reject_types {
1333 NFT_REJECT_ICMP_UNREACH,
1335 NFT_REJECT_ICMPX_UNREACH,
1339 * enum nft_reject_code - Generic reject codes for IPv4/IPv6
1341 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1342 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1343 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1344 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1346 * These codes are mapped to real ICMP and ICMPv6 codes.
1348 enum nft_reject_inet_code {
1349 NFT_REJECT_ICMPX_NO_ROUTE = 0,
1350 NFT_REJECT_ICMPX_PORT_UNREACH,
1351 NFT_REJECT_ICMPX_HOST_UNREACH,
1352 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1353 __NFT_REJECT_ICMPX_MAX
1355 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)
1358 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1360 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1361 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1363 enum nft_reject_attributes {
1366 NFTA_REJECT_ICMP_CODE,
1369 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)
1372 * enum nft_nat_types - nf_tables nat expression NAT types
1374 * @NFT_NAT_SNAT: source NAT
1375 * @NFT_NAT_DNAT: destination NAT
1377 enum nft_nat_types {
1383 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1385 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1386 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1387 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1388 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1389 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1390 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1391 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1393 enum nft_nat_attributes {
1397 NFTA_NAT_REG_ADDR_MIN,
1398 NFTA_NAT_REG_ADDR_MAX,
1399 NFTA_NAT_REG_PROTO_MIN,
1400 NFTA_NAT_REG_PROTO_MAX,
1404 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)
1407 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
1409 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
1410 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
1411 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
1413 enum nft_tproxy_attributes {
1416 NFTA_TPROXY_REG_ADDR,
1417 NFTA_TPROXY_REG_PORT,
1420 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1)
1423 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1425 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1426 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1427 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1429 enum nft_masq_attributes {
1432 NFTA_MASQ_REG_PROTO_MIN,
1433 NFTA_MASQ_REG_PROTO_MAX,
1436 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)
1439 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1441 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1442 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1443 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1445 enum nft_redir_attributes {
1447 NFTA_REDIR_REG_PROTO_MIN,
1448 NFTA_REDIR_REG_PROTO_MAX,
1452 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
1455 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1457 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1458 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1460 enum nft_dup_attributes {
1466 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
1469 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1471 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1472 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1473 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1475 enum nft_fwd_attributes {
1482 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
1485 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1487 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1488 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1489 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1490 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1491 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1493 enum nft_objref_attributes {
1495 NFTA_OBJREF_IMM_TYPE,
1496 NFTA_OBJREF_IMM_NAME,
1497 NFTA_OBJREF_SET_SREG,
1498 NFTA_OBJREF_SET_NAME,
1502 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
1505 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1507 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1509 enum nft_gen_attributes {
1516 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)
1519 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1521 * @NFTA_FIB_DREG: destination register (NLA_U32)
1522 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1523 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1525 * The FIB expression performs a route lookup according
1526 * to the packet data.
1528 enum nft_fib_attributes {
1535 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1537 enum nft_fib_result {
1538 NFT_FIB_RESULT_UNSPEC,
1540 NFT_FIB_RESULT_OIFNAME,
1541 NFT_FIB_RESULT_ADDRTYPE,
1542 __NFT_FIB_RESULT_MAX
1544 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)
1546 enum nft_fib_flags {
1547 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */
1548 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */
1549 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */
1550 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */
1551 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */
1552 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */
1555 enum nft_ct_helper_attributes {
1556 NFTA_CT_HELPER_UNSPEC,
1557 NFTA_CT_HELPER_NAME,
1558 NFTA_CT_HELPER_L3PROTO,
1559 NFTA_CT_HELPER_L4PROTO,
1560 __NFTA_CT_HELPER_MAX,
1562 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)
1564 enum nft_ct_timeout_timeout_attributes {
1565 NFTA_CT_TIMEOUT_UNSPEC,
1566 NFTA_CT_TIMEOUT_L3PROTO,
1567 NFTA_CT_TIMEOUT_L4PROTO,
1568 NFTA_CT_TIMEOUT_DATA,
1569 __NFTA_CT_TIMEOUT_MAX,
1571 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1)
1573 enum nft_ct_expectation_attributes {
1574 NFTA_CT_EXPECT_UNSPEC,
1575 NFTA_CT_EXPECT_L3PROTO,
1576 NFTA_CT_EXPECT_L4PROTO,
1577 NFTA_CT_EXPECT_DPORT,
1578 NFTA_CT_EXPECT_TIMEOUT,
1579 NFTA_CT_EXPECT_SIZE,
1580 __NFTA_CT_EXPECT_MAX,
1582 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1)
1584 #define NFT_OBJECT_UNSPEC 0
1585 #define NFT_OBJECT_COUNTER 1
1586 #define NFT_OBJECT_QUOTA 2
1587 #define NFT_OBJECT_CT_HELPER 3
1588 #define NFT_OBJECT_LIMIT 4
1589 #define NFT_OBJECT_CONNLIMIT 5
1590 #define NFT_OBJECT_TUNNEL 6
1591 #define NFT_OBJECT_CT_TIMEOUT 7
1592 #define NFT_OBJECT_SECMARK 8
1593 #define NFT_OBJECT_CT_EXPECT 9
1594 #define NFT_OBJECT_SYNPROXY 10
1595 #define __NFT_OBJECT_MAX 11
1596 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)
1599 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1601 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1602 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1603 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1604 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1605 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1606 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1607 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY)
1609 enum nft_object_attributes {
1621 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)
1624 * enum nft_flowtable_flags - nf_tables flowtable flags
1626 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled
1627 * @NFT_FLOWTABLE_COUNTER: enable flow counters
1629 enum nft_flowtable_flags {
1630 NFT_FLOWTABLE_HW_OFFLOAD = 0x1,
1631 NFT_FLOWTABLE_COUNTER = 0x2,
1632 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD |
1633 NFT_FLOWTABLE_COUNTER)
1637 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1639 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1640 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1641 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)
1642 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1643 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1644 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32)
1646 enum nft_flowtable_attributes {
1647 NFTA_FLOWTABLE_UNSPEC,
1648 NFTA_FLOWTABLE_TABLE,
1649 NFTA_FLOWTABLE_NAME,
1650 NFTA_FLOWTABLE_HOOK,
1652 NFTA_FLOWTABLE_HANDLE,
1654 NFTA_FLOWTABLE_FLAGS,
1655 __NFTA_FLOWTABLE_MAX
1657 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)
1660 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1662 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1663 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1664 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1666 enum nft_flowtable_hook_attributes {
1667 NFTA_FLOWTABLE_HOOK_UNSPEC,
1668 NFTA_FLOWTABLE_HOOK_NUM,
1669 NFTA_FLOWTABLE_HOOK_PRIORITY,
1670 NFTA_FLOWTABLE_HOOK_DEVS,
1671 __NFTA_FLOWTABLE_HOOK_MAX
1673 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)
1676 * enum nft_osf_attributes - nftables osf expression netlink attributes
1678 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers)
1679 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8)
1680 * @NFTA_OSF_FLAGS: flags (NLA_U32)
1682 enum nft_osf_attributes {
1689 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)
1691 enum nft_osf_flags {
1692 NFT_OSF_F_VERSION = (1 << 0),
1696 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes
1698 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16)
1699 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8)
1700 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32)
1702 enum nft_synproxy_attributes {
1703 NFTA_SYNPROXY_UNSPEC,
1705 NFTA_SYNPROXY_WSCALE,
1706 NFTA_SYNPROXY_FLAGS,
1707 __NFTA_SYNPROXY_MAX,
1709 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1)
1712 * enum nft_device_attributes - nf_tables device netlink attributes
1714 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1716 enum nft_devices_attributes {
1721 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
1724 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
1726 * @NFTA_XFRM_DREG: destination register (NLA_U32)
1727 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
1728 * @NFTA_XFRM_DIR: direction (NLA_U8)
1729 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
1731 enum nft_xfrm_attributes {
1739 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)
1741 enum nft_xfrm_keys {
1742 NFT_XFRM_KEY_UNSPEC,
1743 NFT_XFRM_KEY_DADDR_IP4,
1744 NFT_XFRM_KEY_DADDR_IP6,
1745 NFT_XFRM_KEY_SADDR_IP4,
1746 NFT_XFRM_KEY_SADDR_IP6,
1751 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)
1754 * enum nft_trace_attributes - nf_tables trace netlink attributes
1756 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1757 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1758 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1759 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1760 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1761 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1762 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1763 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1764 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1765 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1766 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1767 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1768 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1769 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1770 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1771 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1773 enum nft_trace_attributes {
1777 NFTA_TRACE_RULE_HANDLE,
1781 NFTA_TRACE_LL_HEADER,
1782 NFTA_TRACE_NETWORK_HEADER,
1783 NFTA_TRACE_TRANSPORT_HEADER,
1794 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1796 enum nft_trace_types {
1797 NFT_TRACETYPE_UNSPEC,
1798 NFT_TRACETYPE_POLICY,
1799 NFT_TRACETYPE_RETURN,
1803 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1806 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1808 * @NFTA_NG_DREG: destination register (NLA_U32)
1809 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1810 * @NFTA_NG_TYPE: operation type (NLA_U32)
1811 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1812 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1813 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1815 enum nft_ng_attributes {
1821 NFTA_NG_SET_NAME, /* deprecated */
1822 NFTA_NG_SET_ID, /* deprecated */
1825 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1)
1832 #define NFT_NG_MAX (__NFT_NG_MAX - 1)
1834 enum nft_tunnel_key_ip_attributes {
1835 NFTA_TUNNEL_KEY_IP_UNSPEC,
1836 NFTA_TUNNEL_KEY_IP_SRC,
1837 NFTA_TUNNEL_KEY_IP_DST,
1838 __NFTA_TUNNEL_KEY_IP_MAX
1840 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1)
1842 enum nft_tunnel_ip6_attributes {
1843 NFTA_TUNNEL_KEY_IP6_UNSPEC,
1844 NFTA_TUNNEL_KEY_IP6_SRC,
1845 NFTA_TUNNEL_KEY_IP6_DST,
1846 NFTA_TUNNEL_KEY_IP6_FLOWLABEL,
1847 __NFTA_TUNNEL_KEY_IP6_MAX
1849 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1)
1851 enum nft_tunnel_opts_attributes {
1852 NFTA_TUNNEL_KEY_OPTS_UNSPEC,
1853 NFTA_TUNNEL_KEY_OPTS_VXLAN,
1854 NFTA_TUNNEL_KEY_OPTS_ERSPAN,
1855 NFTA_TUNNEL_KEY_OPTS_GENEVE,
1856 __NFTA_TUNNEL_KEY_OPTS_MAX
1858 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1)
1860 enum nft_tunnel_opts_vxlan_attributes {
1861 NFTA_TUNNEL_KEY_VXLAN_UNSPEC,
1862 NFTA_TUNNEL_KEY_VXLAN_GBP,
1863 __NFTA_TUNNEL_KEY_VXLAN_MAX
1865 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)
1867 enum nft_tunnel_opts_erspan_attributes {
1868 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,
1869 NFTA_TUNNEL_KEY_ERSPAN_VERSION,
1870 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,
1871 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,
1872 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,
1873 __NFTA_TUNNEL_KEY_ERSPAN_MAX
1875 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)
1877 enum nft_tunnel_opts_geneve_attributes {
1878 NFTA_TUNNEL_KEY_GENEVE_UNSPEC,
1879 NFTA_TUNNEL_KEY_GENEVE_CLASS,
1880 NFTA_TUNNEL_KEY_GENEVE_TYPE,
1881 NFTA_TUNNEL_KEY_GENEVE_DATA,
1882 __NFTA_TUNNEL_KEY_GENEVE_MAX
1884 #define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1)
1886 enum nft_tunnel_flags {
1887 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0),
1888 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1),
1889 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2),
1891 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \
1892 NFT_TUNNEL_F_DONT_FRAGMENT | \
1893 NFT_TUNNEL_F_SEQ_NUMBER)
1895 enum nft_tunnel_key_attributes {
1896 NFTA_TUNNEL_KEY_UNSPEC,
1899 NFTA_TUNNEL_KEY_IP6,
1900 NFTA_TUNNEL_KEY_FLAGS,
1901 NFTA_TUNNEL_KEY_TOS,
1902 NFTA_TUNNEL_KEY_TTL,
1903 NFTA_TUNNEL_KEY_SPORT,
1904 NFTA_TUNNEL_KEY_DPORT,
1905 NFTA_TUNNEL_KEY_OPTS,
1906 __NFTA_TUNNEL_KEY_MAX
1908 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)
1910 enum nft_tunnel_keys {
1915 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)
1917 enum nft_tunnel_mode {
1918 NFT_TUNNEL_MODE_NONE,
1921 __NFT_TUNNEL_MODE_MAX
1923 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1)
1925 enum nft_tunnel_attributes {
1932 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)
1934 #endif /* _LINUX_NF_TABLES_H */