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,
170 * enum nft_table_attributes - nf_tables table netlink attributes
172 * @NFTA_TABLE_NAME: name of the table (NLA_STRING)
173 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)
174 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)
176 enum nft_table_attributes {
185 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)
187 enum nft_chain_flags {
188 NFT_CHAIN_BASE = (1 << 0),
189 NFT_CHAIN_HW_OFFLOAD = (1 << 1),
190 NFT_CHAIN_BINDING = (1 << 2),
192 #define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \
193 NFT_CHAIN_HW_OFFLOAD | \
197 * enum nft_chain_attributes - nf_tables chain netlink attributes
199 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING)
200 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64)
201 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING)
202 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes)
203 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32)
204 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32)
205 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING)
206 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes)
207 * @NFTA_CHAIN_FLAGS: chain flags
208 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32)
210 enum nft_chain_attributes {
225 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1)
228 * enum nft_rule_attributes - nf_tables rule netlink attributes
230 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)
231 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)
232 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)
233 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
234 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
235 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
236 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
237 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)
238 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32)
240 enum nft_rule_attributes {
245 NFTA_RULE_EXPRESSIONS,
251 NFTA_RULE_POSITION_ID,
255 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1)
258 * enum nft_rule_compat_flags - nf_tables rule compat flags
260 * @NFT_RULE_COMPAT_F_INV: invert the check result
262 enum nft_rule_compat_flags {
263 NFT_RULE_COMPAT_F_INV = (1 << 1),
264 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,
268 * enum nft_rule_compat_attributes - nf_tables rule compat attributes
270 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)
271 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)
273 enum nft_rule_compat_attributes {
274 NFTA_RULE_COMPAT_UNSPEC,
275 NFTA_RULE_COMPAT_PROTO,
276 NFTA_RULE_COMPAT_FLAGS,
277 __NFTA_RULE_COMPAT_MAX
279 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1)
282 * enum nft_set_flags - nf_tables set flags
284 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink
285 * @NFT_SET_CONSTANT: set contents may not change while bound
286 * @NFT_SET_INTERVAL: set contains intervals
287 * @NFT_SET_MAP: set is used as a dictionary
288 * @NFT_SET_TIMEOUT: set uses timeouts
289 * @NFT_SET_EVAL: set can be updated from the evaluation path
290 * @NFT_SET_OBJECT: set contains stateful objects
291 * @NFT_SET_CONCAT: set contains a concatenation
294 NFT_SET_ANONYMOUS = 0x1,
295 NFT_SET_CONSTANT = 0x2,
296 NFT_SET_INTERVAL = 0x4,
298 NFT_SET_TIMEOUT = 0x10,
300 NFT_SET_OBJECT = 0x40,
301 NFT_SET_CONCAT = 0x80,
305 * enum nft_set_policies - set selection policy
307 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use
308 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance
310 enum nft_set_policies {
311 NFT_SET_POL_PERFORMANCE,
316 * enum nft_set_desc_attributes - set element description
318 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)
319 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED)
321 enum nft_set_desc_attributes {
322 NFTA_SET_DESC_UNSPEC,
324 NFTA_SET_DESC_CONCAT,
327 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1)
330 * enum nft_set_field_attributes - attributes of concatenated fields
332 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32)
334 enum nft_set_field_attributes {
335 NFTA_SET_FIELD_UNSPEC,
339 #define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1)
342 * enum nft_set_attributes - nf_tables set netlink attributes
344 * @NFTA_SET_TABLE: table name (NLA_STRING)
345 * @NFTA_SET_NAME: set name (NLA_STRING)
346 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)
347 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)
348 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)
349 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)
350 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)
351 * @NFTA_SET_POLICY: selection policy (NLA_U32)
352 * @NFTA_SET_DESC: set description (NLA_NESTED)
353 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
354 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)
355 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)
356 * @NFTA_SET_USERDATA: user data (NLA_BINARY)
357 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)
358 * @NFTA_SET_HANDLE: set handle (NLA_U64)
359 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes)
361 enum nft_set_attributes {
374 NFTA_SET_GC_INTERVAL,
382 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1)
385 * enum nft_set_elem_flags - nf_tables set element flags
387 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
389 enum nft_set_elem_flags {
390 NFT_SET_ELEM_INTERVAL_END = 0x1,
394 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
396 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
397 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
398 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
399 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)
400 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
401 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
402 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
403 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
404 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data)
406 enum nft_set_elem_attributes {
407 NFTA_SET_ELEM_UNSPEC,
411 NFTA_SET_ELEM_TIMEOUT,
412 NFTA_SET_ELEM_EXPIRATION,
413 NFTA_SET_ELEM_USERDATA,
416 NFTA_SET_ELEM_OBJREF,
417 NFTA_SET_ELEM_KEY_END,
420 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)
423 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
425 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
426 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
427 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
428 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
430 enum nft_set_elem_list_attributes {
431 NFTA_SET_ELEM_LIST_UNSPEC,
432 NFTA_SET_ELEM_LIST_TABLE,
433 NFTA_SET_ELEM_LIST_SET,
434 NFTA_SET_ELEM_LIST_ELEMENTS,
435 NFTA_SET_ELEM_LIST_SET_ID,
436 __NFTA_SET_ELEM_LIST_MAX
438 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)
441 * enum nft_data_types - nf_tables data types
443 * @NFT_DATA_VALUE: generic data
444 * @NFT_DATA_VERDICT: netfilter verdict
446 * The type of data is usually determined by the kernel directly and is not
447 * explicitly specified by userspace. The only difference are sets, where
448 * userspace specifies the key and mapping data types.
450 * The values 0xffffff00-0xffffffff are reserved for internally used types.
451 * The remaining range can be freely used by userspace to encode types, all
452 * values are equivalent to NFT_DATA_VALUE.
454 enum nft_data_types {
456 NFT_DATA_VERDICT = 0xffffff00U,
459 #define NFT_DATA_RESERVED_MASK 0xffffff00U
462 * enum nft_data_attributes - nf_tables data netlink attributes
464 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
465 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
467 enum nft_data_attributes {
473 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)
475 /* Maximum length of a value */
476 #define NFT_DATA_VALUE_MAXLEN 64
479 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
481 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
482 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
483 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32)
485 enum nft_verdict_attributes {
489 NFTA_VERDICT_CHAIN_ID,
492 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)
495 * enum nft_expr_attributes - nf_tables expression netlink attributes
497 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
498 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
500 enum nft_expr_attributes {
506 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)
509 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
511 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
512 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
514 enum nft_immediate_attributes {
515 NFTA_IMMEDIATE_UNSPEC,
520 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)
523 * enum nft_bitwise_ops - nf_tables bitwise operations
525 * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and
526 * XOR boolean operations
527 * @NFT_BITWISE_LSHIFT: left-shift operation
528 * @NFT_BITWISE_RSHIFT: right-shift operation
530 enum nft_bitwise_ops {
537 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
539 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
540 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
541 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
542 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
543 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
544 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops)
545 * @NFTA_BITWISE_DATA: argument for non-boolean operations
546 * (NLA_NESTED: nft_data_attributes)
548 * The bitwise expression supports boolean and shift operations. It implements
549 * the boolean operations by performing the following operation:
551 * dreg = (sreg & mask) ^ xor
553 * with these mask and xor values:
561 enum nft_bitwise_attributes {
572 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)
575 * enum nft_byteorder_ops - nf_tables byteorder operators
577 * @NFT_BYTEORDER_NTOH: network to host operator
578 * @NFT_BYTEORDER_HTON: host to network operator
580 enum nft_byteorder_ops {
586 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
588 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
589 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
590 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
591 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
592 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
594 enum nft_byteorder_attributes {
595 NFTA_BYTEORDER_UNSPEC,
603 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)
606 * enum nft_cmp_ops - nf_tables relational operator
609 * @NFT_CMP_NEQ: not equal
610 * @NFT_CMP_LT: less than
611 * @NFT_CMP_LTE: less than or equal to
612 * @NFT_CMP_GT: greater than
613 * @NFT_CMP_GTE: greater than or equal to
625 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
627 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
628 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
629 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
631 enum nft_cmp_attributes {
638 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)
641 * enum nft_range_ops - nf_tables range operator
643 * @NFT_RANGE_EQ: equal
644 * @NFT_RANGE_NEQ: not equal
652 * enum nft_range_attributes - nf_tables range expression netlink attributes
654 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
655 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops)
656 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
657 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
659 enum nft_range_attributes {
663 NFTA_RANGE_FROM_DATA,
667 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)
669 enum nft_lookup_flags {
670 NFT_LOOKUP_F_INV = (1 << 0),
674 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
676 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
677 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
678 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
679 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
680 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
682 enum nft_lookup_attributes {
691 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)
693 enum nft_dynset_ops {
695 NFT_DYNSET_OP_UPDATE,
696 NFT_DYNSET_OP_DELETE,
699 enum nft_dynset_flags {
700 NFT_DYNSET_F_INV = (1 << 0),
704 * enum nft_dynset_attributes - dynset expression attributes
706 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
707 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
708 * @NFTA_DYNSET_OP: operation (NLA_U32)
709 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
710 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
711 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
712 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
713 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
715 enum nft_dynset_attributes {
717 NFTA_DYNSET_SET_NAME,
720 NFTA_DYNSET_SREG_KEY,
721 NFTA_DYNSET_SREG_DATA,
728 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)
731 * enum nft_payload_bases - nf_tables payload expression offset bases
733 * @NFT_PAYLOAD_LL_HEADER: link layer header
734 * @NFT_PAYLOAD_NETWORK_HEADER: network header
735 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
737 enum nft_payload_bases {
738 NFT_PAYLOAD_LL_HEADER,
739 NFT_PAYLOAD_NETWORK_HEADER,
740 NFT_PAYLOAD_TRANSPORT_HEADER,
744 * enum nft_payload_csum_types - nf_tables payload expression checksum types
746 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
747 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
749 enum nft_payload_csum_types {
750 NFT_PAYLOAD_CSUM_NONE,
751 NFT_PAYLOAD_CSUM_INET,
754 enum nft_payload_csum_flags {
755 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
759 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
761 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
762 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
763 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
764 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
765 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
766 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
767 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
768 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
770 enum nft_payload_attributes {
777 NFTA_PAYLOAD_CSUM_TYPE,
778 NFTA_PAYLOAD_CSUM_OFFSET,
779 NFTA_PAYLOAD_CSUM_FLAGS,
782 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)
784 enum nft_exthdr_flags {
785 NFT_EXTHDR_F_PRESENT = (1 << 0),
789 * enum nft_exthdr_op - nf_tables match options
791 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
792 * @NFT_EXTHDR_OP_TCP: match against tcp options
793 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options
797 NFT_EXTHDR_OP_TCPOPT,
801 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)
804 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
806 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
807 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
808 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
809 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
810 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
811 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
812 * @NFTA_EXTHDR_SREG: option match type (NLA_U32)
814 enum nft_exthdr_attributes {
825 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)
828 * enum nft_meta_keys - nf_tables meta expression keys
830 * @NFT_META_LEN: packet length (skb->len)
831 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
832 * @NFT_META_PRIORITY: packet priority (skb->priority)
833 * @NFT_META_MARK: packet mark (skb->mark)
834 * @NFT_META_IIF: packet input interface index (dev->ifindex)
835 * @NFT_META_OIF: packet output interface index (dev->ifindex)
836 * @NFT_META_IIFNAME: packet input interface name (dev->name)
837 * @NFT_META_OIFNAME: packet output interface name (dev->name)
838 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
839 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
840 * @NFT_META_SKUID: originating socket UID (fsuid)
841 * @NFT_META_SKGID: originating socket GID (fsgid)
842 * @NFT_META_NFTRACE: packet nftrace bit
843 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
844 * @NFT_META_SECMARK: packet secmark (skb->secmark)
845 * @NFT_META_NFPROTO: netfilter protocol
846 * @NFT_META_L4PROTO: layer 4 protocol number
847 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
848 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
849 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
850 * @NFT_META_CPU: cpu id through smp_processor_id()
851 * @NFT_META_IIFGROUP: packet input interface group
852 * @NFT_META_OIFGROUP: packet output interface group
853 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
854 * @NFT_META_PRANDOM: a 32bit pseudo-random number
855 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
856 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
857 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
858 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid
859 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto
860 * @NFT_META_TIME_NS: time since epoch (in nanoseconds)
861 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday)
862 * @NFT_META_TIME_HOUR: hour of day (in seconds)
863 * @NFT_META_SDIF: slave device interface index
864 * @NFT_META_SDIFNAME: slave device interface name
884 NFT_META_BRI_IIFNAME,
885 NFT_META_BRI_OIFNAME,
895 NFT_META_BRI_IIFPVID,
896 NFT_META_BRI_IIFVPROTO,
905 * enum nft_rt_keys - nf_tables routing expression keys
907 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
908 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
909 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
910 * @NFT_RT_TCPMSS: fetch current path tcp mss
911 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL
921 #define NFT_RT_MAX (__NFT_RT_MAX - 1)
924 * enum nft_hash_types - nf_tables hash expression types
926 * @NFT_HASH_JENKINS: Jenkins Hash
927 * @NFT_HASH_SYM: Symmetric Hash
929 enum nft_hash_types {
935 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
937 * @NFTA_HASH_SREG: source register (NLA_U32)
938 * @NFTA_HASH_DREG: destination register (NLA_U32)
939 * @NFTA_HASH_LEN: source data length (NLA_U32)
940 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
941 * @NFTA_HASH_SEED: seed value (NLA_U32)
942 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
943 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
944 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
945 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
947 enum nft_hash_attributes {
956 NFTA_HASH_SET_NAME, /* deprecated */
957 NFTA_HASH_SET_ID, /* deprecated */
960 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)
963 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
965 * @NFTA_META_DREG: destination register (NLA_U32)
966 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
967 * @NFTA_META_SREG: source register (NLA_U32)
969 enum nft_meta_attributes {
976 #define NFTA_META_MAX (__NFTA_META_MAX - 1)
979 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
981 * @NFTA_RT_DREG: destination register (NLA_U32)
982 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
984 enum nft_rt_attributes {
990 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1)
993 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
995 * @NFTA_SOCKET_KEY: socket key to match
996 * @NFTA_SOCKET_DREG: destination register
998 enum nft_socket_attributes {
1004 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)
1007 * enum nft_socket_keys - nf_tables socket expression keys
1009 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option
1010 * @NFT_SOCKET_MARK: Value of the socket mark
1012 enum nft_socket_keys {
1013 NFT_SOCKET_TRANSPARENT,
1017 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)
1020 * enum nft_ct_keys - nf_tables ct expression keys
1022 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
1023 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
1024 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
1025 * @NFT_CT_MARK: conntrack mark value
1026 * @NFT_CT_SECMARK: conntrack secmark value
1027 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
1028 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
1029 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
1030 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
1031 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
1032 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
1033 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
1034 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
1035 * @NFT_CT_LABELS: conntrack labels
1036 * @NFT_CT_PKTS: conntrack packets
1037 * @NFT_CT_BYTES: conntrack bytes
1038 * @NFT_CT_AVGPKT: conntrack average bytes per packet
1039 * @NFT_CT_ZONE: conntrack zone
1040 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
1041 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
1042 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
1043 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
1044 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
1045 * @NFT_CT_ID: conntrack id
1074 #define NFT_CT_MAX (__NFT_CT_MAX - 1)
1077 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
1079 * @NFTA_CT_DREG: destination register (NLA_U32)
1080 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
1081 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
1082 * @NFTA_CT_SREG: source register (NLA_U32)
1084 enum nft_ct_attributes {
1092 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
1095 * enum nft_flow_attributes - ct offload expression attributes
1096 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1098 enum nft_offload_attributes {
1100 NFTA_FLOW_TABLE_NAME,
1103 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)
1105 enum nft_limit_type {
1110 enum nft_limit_flags {
1111 NFT_LIMIT_F_INV = (1 << 0),
1115 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1117 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1118 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1119 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1120 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1121 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1123 enum nft_limit_attributes {
1133 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
1135 enum nft_connlimit_flags {
1136 NFT_CONNLIMIT_F_INV = (1 << 0),
1140 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1142 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1143 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1145 enum nft_connlimit_attributes {
1146 NFTA_CONNLIMIT_UNSPEC,
1147 NFTA_CONNLIMIT_COUNT,
1148 NFTA_CONNLIMIT_FLAGS,
1149 __NFTA_CONNLIMIT_MAX
1151 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)
1154 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1156 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1157 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1159 enum nft_counter_attributes {
1160 NFTA_COUNTER_UNSPEC,
1162 NFTA_COUNTER_PACKETS,
1166 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)
1169 * enum nft_log_attributes - nf_tables log expression netlink attributes
1171 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32)
1172 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1173 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1174 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32)
1175 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1176 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1178 enum nft_log_attributes {
1183 NFTA_LOG_QTHRESHOLD,
1188 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)
1191 * enum nft_log_level - nf_tables log levels
1193 * @NFT_LOGLEVEL_EMERG: system is unusable
1194 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
1195 * @NFT_LOGLEVEL_CRIT: critical conditions
1196 * @NFT_LOGLEVEL_ERR: error conditions
1197 * @NFT_LOGLEVEL_WARNING: warning conditions
1198 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
1199 * @NFT_LOGLEVEL_INFO: informational
1200 * @NFT_LOGLEVEL_DEBUG: debug-level messages
1201 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
1203 enum nft_log_level {
1208 NFT_LOGLEVEL_WARNING,
1209 NFT_LOGLEVEL_NOTICE,
1215 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1)
1218 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1220 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1221 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1222 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1223 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1225 enum nft_queue_attributes {
1230 NFTA_QUEUE_SREG_QNUM,
1233 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)
1235 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */
1236 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */
1237 #define NFT_QUEUE_FLAG_MASK 0x03
1239 enum nft_quota_flags {
1240 NFT_QUOTA_F_INV = (1 << 0),
1241 NFT_QUOTA_F_DEPLETED = (1 << 1),
1245 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1247 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1248 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1249 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1251 enum nft_quota_attributes {
1256 NFTA_QUOTA_CONSUMED,
1259 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)
1262 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes
1264 * @NFTA_SECMARK_CTX: security context (NLA_STRING)
1266 enum nft_secmark_attributes {
1267 NFTA_SECMARK_UNSPEC,
1271 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1)
1273 /* Max security context length */
1274 #define NFT_SECMARK_CTX_MAXLEN 256
1277 * enum nft_reject_types - nf_tables reject expression reject types
1279 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1280 * @NFT_REJECT_TCP_RST: reject using TCP RST
1281 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1283 enum nft_reject_types {
1284 NFT_REJECT_ICMP_UNREACH,
1286 NFT_REJECT_ICMPX_UNREACH,
1290 * enum nft_reject_code - Generic reject codes for IPv4/IPv6
1292 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1293 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1294 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1295 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1297 * These codes are mapped to real ICMP and ICMPv6 codes.
1299 enum nft_reject_inet_code {
1300 NFT_REJECT_ICMPX_NO_ROUTE = 0,
1301 NFT_REJECT_ICMPX_PORT_UNREACH,
1302 NFT_REJECT_ICMPX_HOST_UNREACH,
1303 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1304 __NFT_REJECT_ICMPX_MAX
1306 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)
1309 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1311 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1312 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1314 enum nft_reject_attributes {
1317 NFTA_REJECT_ICMP_CODE,
1320 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)
1323 * enum nft_nat_types - nf_tables nat expression NAT types
1325 * @NFT_NAT_SNAT: source NAT
1326 * @NFT_NAT_DNAT: destination NAT
1328 enum nft_nat_types {
1334 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1336 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1337 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1338 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1339 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1340 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1341 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1342 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1344 enum nft_nat_attributes {
1348 NFTA_NAT_REG_ADDR_MIN,
1349 NFTA_NAT_REG_ADDR_MAX,
1350 NFTA_NAT_REG_PROTO_MIN,
1351 NFTA_NAT_REG_PROTO_MAX,
1355 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)
1358 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
1360 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
1361 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
1362 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
1364 enum nft_tproxy_attributes {
1367 NFTA_TPROXY_REG_ADDR,
1368 NFTA_TPROXY_REG_PORT,
1371 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1)
1374 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1376 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1377 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1378 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1380 enum nft_masq_attributes {
1383 NFTA_MASQ_REG_PROTO_MIN,
1384 NFTA_MASQ_REG_PROTO_MAX,
1387 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)
1390 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1392 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1393 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1394 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1396 enum nft_redir_attributes {
1398 NFTA_REDIR_REG_PROTO_MIN,
1399 NFTA_REDIR_REG_PROTO_MAX,
1403 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
1406 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1408 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1409 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1411 enum nft_dup_attributes {
1417 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
1420 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1422 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1423 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1424 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1426 enum nft_fwd_attributes {
1433 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
1436 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1438 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1439 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1440 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1441 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1442 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1444 enum nft_objref_attributes {
1446 NFTA_OBJREF_IMM_TYPE,
1447 NFTA_OBJREF_IMM_NAME,
1448 NFTA_OBJREF_SET_SREG,
1449 NFTA_OBJREF_SET_NAME,
1453 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
1456 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1458 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1460 enum nft_gen_attributes {
1467 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)
1470 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1472 * @NFTA_FIB_DREG: destination register (NLA_U32)
1473 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1474 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1476 * The FIB expression performs a route lookup according
1477 * to the packet data.
1479 enum nft_fib_attributes {
1486 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1488 enum nft_fib_result {
1489 NFT_FIB_RESULT_UNSPEC,
1491 NFT_FIB_RESULT_OIFNAME,
1492 NFT_FIB_RESULT_ADDRTYPE,
1493 __NFT_FIB_RESULT_MAX
1495 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)
1497 enum nft_fib_flags {
1498 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */
1499 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */
1500 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */
1501 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */
1502 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */
1503 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */
1506 enum nft_ct_helper_attributes {
1507 NFTA_CT_HELPER_UNSPEC,
1508 NFTA_CT_HELPER_NAME,
1509 NFTA_CT_HELPER_L3PROTO,
1510 NFTA_CT_HELPER_L4PROTO,
1511 __NFTA_CT_HELPER_MAX,
1513 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)
1515 enum nft_ct_timeout_timeout_attributes {
1516 NFTA_CT_TIMEOUT_UNSPEC,
1517 NFTA_CT_TIMEOUT_L3PROTO,
1518 NFTA_CT_TIMEOUT_L4PROTO,
1519 NFTA_CT_TIMEOUT_DATA,
1520 __NFTA_CT_TIMEOUT_MAX,
1522 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1)
1524 enum nft_ct_expectation_attributes {
1525 NFTA_CT_EXPECT_UNSPEC,
1526 NFTA_CT_EXPECT_L3PROTO,
1527 NFTA_CT_EXPECT_L4PROTO,
1528 NFTA_CT_EXPECT_DPORT,
1529 NFTA_CT_EXPECT_TIMEOUT,
1530 NFTA_CT_EXPECT_SIZE,
1531 __NFTA_CT_EXPECT_MAX,
1533 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1)
1535 #define NFT_OBJECT_UNSPEC 0
1536 #define NFT_OBJECT_COUNTER 1
1537 #define NFT_OBJECT_QUOTA 2
1538 #define NFT_OBJECT_CT_HELPER 3
1539 #define NFT_OBJECT_LIMIT 4
1540 #define NFT_OBJECT_CONNLIMIT 5
1541 #define NFT_OBJECT_TUNNEL 6
1542 #define NFT_OBJECT_CT_TIMEOUT 7
1543 #define NFT_OBJECT_SECMARK 8
1544 #define NFT_OBJECT_CT_EXPECT 9
1545 #define NFT_OBJECT_SYNPROXY 10
1546 #define __NFT_OBJECT_MAX 11
1547 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)
1550 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1552 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1553 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1554 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1555 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1556 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1557 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1559 enum nft_object_attributes {
1570 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)
1573 * enum nft_flowtable_flags - nf_tables flowtable flags
1575 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled
1576 * @NFT_FLOWTABLE_COUNTER: enable flow counters
1578 enum nft_flowtable_flags {
1579 NFT_FLOWTABLE_HW_OFFLOAD = 0x1,
1580 NFT_FLOWTABLE_COUNTER = 0x2,
1581 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD |
1582 NFT_FLOWTABLE_COUNTER)
1586 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1588 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1589 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1590 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)
1591 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1592 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1593 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32)
1595 enum nft_flowtable_attributes {
1596 NFTA_FLOWTABLE_UNSPEC,
1597 NFTA_FLOWTABLE_TABLE,
1598 NFTA_FLOWTABLE_NAME,
1599 NFTA_FLOWTABLE_HOOK,
1601 NFTA_FLOWTABLE_HANDLE,
1603 NFTA_FLOWTABLE_FLAGS,
1604 __NFTA_FLOWTABLE_MAX
1606 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)
1609 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1611 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1612 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1613 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1615 enum nft_flowtable_hook_attributes {
1616 NFTA_FLOWTABLE_HOOK_UNSPEC,
1617 NFTA_FLOWTABLE_HOOK_NUM,
1618 NFTA_FLOWTABLE_HOOK_PRIORITY,
1619 NFTA_FLOWTABLE_HOOK_DEVS,
1620 __NFTA_FLOWTABLE_HOOK_MAX
1622 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)
1625 * enum nft_osf_attributes - nftables osf expression netlink attributes
1627 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers)
1628 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8)
1629 * @NFTA_OSF_FLAGS: flags (NLA_U32)
1631 enum nft_osf_attributes {
1638 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)
1640 enum nft_osf_flags {
1641 NFT_OSF_F_VERSION = (1 << 0),
1645 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes
1647 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16)
1648 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8)
1649 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32)
1651 enum nft_synproxy_attributes {
1652 NFTA_SYNPROXY_UNSPEC,
1654 NFTA_SYNPROXY_WSCALE,
1655 NFTA_SYNPROXY_FLAGS,
1656 __NFTA_SYNPROXY_MAX,
1658 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1)
1661 * enum nft_device_attributes - nf_tables device netlink attributes
1663 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1665 enum nft_devices_attributes {
1670 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
1673 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
1675 * @NFTA_XFRM_DREG: destination register (NLA_U32)
1676 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
1677 * @NFTA_XFRM_DIR: direction (NLA_U8)
1678 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
1680 enum nft_xfrm_attributes {
1688 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)
1690 enum nft_xfrm_keys {
1691 NFT_XFRM_KEY_UNSPEC,
1692 NFT_XFRM_KEY_DADDR_IP4,
1693 NFT_XFRM_KEY_DADDR_IP6,
1694 NFT_XFRM_KEY_SADDR_IP4,
1695 NFT_XFRM_KEY_SADDR_IP6,
1700 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)
1703 * enum nft_trace_attributes - nf_tables trace netlink attributes
1705 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1706 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1707 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1708 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1709 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1710 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1711 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1712 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1713 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1714 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1715 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1716 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1717 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1718 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1719 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1720 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1722 enum nft_trace_attributes {
1726 NFTA_TRACE_RULE_HANDLE,
1730 NFTA_TRACE_LL_HEADER,
1731 NFTA_TRACE_NETWORK_HEADER,
1732 NFTA_TRACE_TRANSPORT_HEADER,
1743 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1745 enum nft_trace_types {
1746 NFT_TRACETYPE_UNSPEC,
1747 NFT_TRACETYPE_POLICY,
1748 NFT_TRACETYPE_RETURN,
1752 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1755 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1757 * @NFTA_NG_DREG: destination register (NLA_U32)
1758 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1759 * @NFTA_NG_TYPE: operation type (NLA_U32)
1760 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1761 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1762 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1764 enum nft_ng_attributes {
1770 NFTA_NG_SET_NAME, /* deprecated */
1771 NFTA_NG_SET_ID, /* deprecated */
1774 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1)
1781 #define NFT_NG_MAX (__NFT_NG_MAX - 1)
1783 enum nft_tunnel_key_ip_attributes {
1784 NFTA_TUNNEL_KEY_IP_UNSPEC,
1785 NFTA_TUNNEL_KEY_IP_SRC,
1786 NFTA_TUNNEL_KEY_IP_DST,
1787 __NFTA_TUNNEL_KEY_IP_MAX
1789 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1)
1791 enum nft_tunnel_ip6_attributes {
1792 NFTA_TUNNEL_KEY_IP6_UNSPEC,
1793 NFTA_TUNNEL_KEY_IP6_SRC,
1794 NFTA_TUNNEL_KEY_IP6_DST,
1795 NFTA_TUNNEL_KEY_IP6_FLOWLABEL,
1796 __NFTA_TUNNEL_KEY_IP6_MAX
1798 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1)
1800 enum nft_tunnel_opts_attributes {
1801 NFTA_TUNNEL_KEY_OPTS_UNSPEC,
1802 NFTA_TUNNEL_KEY_OPTS_VXLAN,
1803 NFTA_TUNNEL_KEY_OPTS_ERSPAN,
1804 NFTA_TUNNEL_KEY_OPTS_GENEVE,
1805 __NFTA_TUNNEL_KEY_OPTS_MAX
1807 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1)
1809 enum nft_tunnel_opts_vxlan_attributes {
1810 NFTA_TUNNEL_KEY_VXLAN_UNSPEC,
1811 NFTA_TUNNEL_KEY_VXLAN_GBP,
1812 __NFTA_TUNNEL_KEY_VXLAN_MAX
1814 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)
1816 enum nft_tunnel_opts_erspan_attributes {
1817 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,
1818 NFTA_TUNNEL_KEY_ERSPAN_VERSION,
1819 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,
1820 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,
1821 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,
1822 __NFTA_TUNNEL_KEY_ERSPAN_MAX
1824 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)
1826 enum nft_tunnel_opts_geneve_attributes {
1827 NFTA_TUNNEL_KEY_GENEVE_UNSPEC,
1828 NFTA_TUNNEL_KEY_GENEVE_CLASS,
1829 NFTA_TUNNEL_KEY_GENEVE_TYPE,
1830 NFTA_TUNNEL_KEY_GENEVE_DATA,
1831 __NFTA_TUNNEL_KEY_GENEVE_MAX
1833 #define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1)
1835 enum nft_tunnel_flags {
1836 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0),
1837 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1),
1838 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2),
1840 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \
1841 NFT_TUNNEL_F_DONT_FRAGMENT | \
1842 NFT_TUNNEL_F_SEQ_NUMBER)
1844 enum nft_tunnel_key_attributes {
1845 NFTA_TUNNEL_KEY_UNSPEC,
1848 NFTA_TUNNEL_KEY_IP6,
1849 NFTA_TUNNEL_KEY_FLAGS,
1850 NFTA_TUNNEL_KEY_TOS,
1851 NFTA_TUNNEL_KEY_TTL,
1852 NFTA_TUNNEL_KEY_SPORT,
1853 NFTA_TUNNEL_KEY_DPORT,
1854 NFTA_TUNNEL_KEY_OPTS,
1855 __NFTA_TUNNEL_KEY_MAX
1857 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)
1859 enum nft_tunnel_keys {
1864 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)
1866 enum nft_tunnel_mode {
1867 NFT_TUNNEL_MODE_NONE,
1870 __NFT_TUNNEL_MODE_MAX
1872 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1)
1874 enum nft_tunnel_attributes {
1881 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)
1883 #endif /* _LINUX_NF_TABLES_H */