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)
100 * @NFT_MSG_GETRULE_RESET: get rules and reset stateful expressions (enum nft_obj_attributes)
101 * @NFT_MSG_DESTROYTABLE: destroy a table (enum nft_table_attributes)
102 * @NFT_MSG_DESTROYCHAIN: destroy a chain (enum nft_chain_attributes)
103 * @NFT_MSG_DESTROYRULE: destroy a rule (enum nft_rule_attributes)
104 * @NFT_MSG_DESTROYSET: destroy a set (enum nft_set_attributes)
105 * @NFT_MSG_DESTROYSETELEM: destroy a set element (enum nft_set_elem_attributes)
106 * @NFT_MSG_DESTROYOBJ: destroy a stateful object (enum nft_object_attributes)
107 * @NFT_MSG_DESTROYFLOWTABLE: destroy flow table (enum nft_flowtable_attributes)
108 * @NFT_MSG_GETSETELEM_RESET: get set elements and reset attached stateful expressions (enum nft_set_elem_attributes)
110 enum nf_tables_msg_types {
132 NFT_MSG_GETOBJ_RESET,
133 NFT_MSG_NEWFLOWTABLE,
134 NFT_MSG_GETFLOWTABLE,
135 NFT_MSG_DELFLOWTABLE,
136 NFT_MSG_GETRULE_RESET,
137 NFT_MSG_DESTROYTABLE,
138 NFT_MSG_DESTROYCHAIN,
141 NFT_MSG_DESTROYSETELEM,
143 NFT_MSG_DESTROYFLOWTABLE,
144 NFT_MSG_GETSETELEM_RESET,
149 * enum nft_list_attributes - nf_tables generic list netlink attributes
151 * @NFTA_LIST_ELEM: list element (NLA_NESTED)
153 enum nft_list_attributes {
158 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1)
161 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes
163 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32)
164 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
165 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING)
166 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED)
168 enum nft_hook_attributes {
176 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1)
179 * enum nft_table_flags - nf_tables table flags
181 * @NFT_TABLE_F_DORMANT: this table is not active
183 enum nft_table_flags {
184 NFT_TABLE_F_DORMANT = 0x1,
185 NFT_TABLE_F_OWNER = 0x2,
187 #define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | \
191 * enum nft_table_attributes - nf_tables table netlink attributes
193 * @NFTA_TABLE_NAME: name of the table (NLA_STRING)
194 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)
195 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)
196 * @NFTA_TABLE_USERDATA: user data (NLA_BINARY)
197 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32)
199 enum nft_table_attributes {
210 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)
212 enum nft_chain_flags {
213 NFT_CHAIN_BASE = (1 << 0),
214 NFT_CHAIN_HW_OFFLOAD = (1 << 1),
215 NFT_CHAIN_BINDING = (1 << 2),
217 #define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \
218 NFT_CHAIN_HW_OFFLOAD | \
222 * enum nft_chain_attributes - nf_tables chain netlink attributes
224 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING)
225 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64)
226 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING)
227 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes)
228 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32)
229 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32)
230 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING)
231 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes)
232 * @NFTA_CHAIN_FLAGS: chain flags
233 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32)
234 * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY)
236 enum nft_chain_attributes {
252 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1)
255 * enum nft_rule_attributes - nf_tables rule netlink attributes
257 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)
258 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)
259 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)
260 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
261 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
262 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
263 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
264 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)
265 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32)
266 * @NFTA_RULE_CHAIN_ID: add the rule to chain by ID, alternative to @NFTA_RULE_CHAIN (NLA_U32)
268 enum nft_rule_attributes {
273 NFTA_RULE_EXPRESSIONS,
279 NFTA_RULE_POSITION_ID,
283 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1)
286 * enum nft_rule_compat_flags - nf_tables rule compat flags
288 * @NFT_RULE_COMPAT_F_INV: invert the check result
290 enum nft_rule_compat_flags {
291 NFT_RULE_COMPAT_F_INV = (1 << 1),
292 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,
296 * enum nft_rule_compat_attributes - nf_tables rule compat attributes
298 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)
299 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)
301 enum nft_rule_compat_attributes {
302 NFTA_RULE_COMPAT_UNSPEC,
303 NFTA_RULE_COMPAT_PROTO,
304 NFTA_RULE_COMPAT_FLAGS,
305 __NFTA_RULE_COMPAT_MAX
307 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1)
310 * enum nft_set_flags - nf_tables set flags
312 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink
313 * @NFT_SET_CONSTANT: set contents may not change while bound
314 * @NFT_SET_INTERVAL: set contains intervals
315 * @NFT_SET_MAP: set is used as a dictionary
316 * @NFT_SET_TIMEOUT: set uses timeouts
317 * @NFT_SET_EVAL: set can be updated from the evaluation path
318 * @NFT_SET_OBJECT: set contains stateful objects
319 * @NFT_SET_CONCAT: set contains a concatenation
320 * @NFT_SET_EXPR: set contains expressions
323 NFT_SET_ANONYMOUS = 0x1,
324 NFT_SET_CONSTANT = 0x2,
325 NFT_SET_INTERVAL = 0x4,
327 NFT_SET_TIMEOUT = 0x10,
329 NFT_SET_OBJECT = 0x40,
330 NFT_SET_CONCAT = 0x80,
331 NFT_SET_EXPR = 0x100,
335 * enum nft_set_policies - set selection policy
337 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use
338 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance
340 enum nft_set_policies {
341 NFT_SET_POL_PERFORMANCE,
346 * enum nft_set_desc_attributes - set element description
348 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)
349 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED)
351 enum nft_set_desc_attributes {
352 NFTA_SET_DESC_UNSPEC,
354 NFTA_SET_DESC_CONCAT,
357 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1)
360 * enum nft_set_field_attributes - attributes of concatenated fields
362 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32)
364 enum nft_set_field_attributes {
365 NFTA_SET_FIELD_UNSPEC,
369 #define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1)
372 * enum nft_set_attributes - nf_tables set netlink attributes
374 * @NFTA_SET_TABLE: table name (NLA_STRING)
375 * @NFTA_SET_NAME: set name (NLA_STRING)
376 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)
377 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)
378 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)
379 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)
380 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)
381 * @NFTA_SET_POLICY: selection policy (NLA_U32)
382 * @NFTA_SET_DESC: set description (NLA_NESTED)
383 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
384 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)
385 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)
386 * @NFTA_SET_USERDATA: user data (NLA_BINARY)
387 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)
388 * @NFTA_SET_HANDLE: set handle (NLA_U64)
389 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes)
390 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
392 enum nft_set_attributes {
405 NFTA_SET_GC_INTERVAL,
411 NFTA_SET_EXPRESSIONS,
414 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1)
417 * enum nft_set_elem_flags - nf_tables set element flags
419 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
420 * @NFT_SET_ELEM_CATCHALL: special catch-all element
422 enum nft_set_elem_flags {
423 NFT_SET_ELEM_INTERVAL_END = 0x1,
424 NFT_SET_ELEM_CATCHALL = 0x2,
428 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
430 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
431 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
432 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
433 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)
434 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
435 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
436 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
437 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
438 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data)
439 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
441 enum nft_set_elem_attributes {
442 NFTA_SET_ELEM_UNSPEC,
446 NFTA_SET_ELEM_TIMEOUT,
447 NFTA_SET_ELEM_EXPIRATION,
448 NFTA_SET_ELEM_USERDATA,
451 NFTA_SET_ELEM_OBJREF,
452 NFTA_SET_ELEM_KEY_END,
453 NFTA_SET_ELEM_EXPRESSIONS,
456 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)
459 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
461 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
462 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
463 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
464 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
466 enum nft_set_elem_list_attributes {
467 NFTA_SET_ELEM_LIST_UNSPEC,
468 NFTA_SET_ELEM_LIST_TABLE,
469 NFTA_SET_ELEM_LIST_SET,
470 NFTA_SET_ELEM_LIST_ELEMENTS,
471 NFTA_SET_ELEM_LIST_SET_ID,
472 __NFTA_SET_ELEM_LIST_MAX
474 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)
477 * enum nft_data_types - nf_tables data types
479 * @NFT_DATA_VALUE: generic data
480 * @NFT_DATA_VERDICT: netfilter verdict
482 * The type of data is usually determined by the kernel directly and is not
483 * explicitly specified by userspace. The only difference are sets, where
484 * userspace specifies the key and mapping data types.
486 * The values 0xffffff00-0xffffffff are reserved for internally used types.
487 * The remaining range can be freely used by userspace to encode types, all
488 * values are equivalent to NFT_DATA_VALUE.
490 enum nft_data_types {
492 NFT_DATA_VERDICT = 0xffffff00U,
495 #define NFT_DATA_RESERVED_MASK 0xffffff00U
498 * enum nft_data_attributes - nf_tables data netlink attributes
500 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
501 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
503 enum nft_data_attributes {
509 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)
511 /* Maximum length of a value */
512 #define NFT_DATA_VALUE_MAXLEN 64
515 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
517 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
518 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
519 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32)
521 enum nft_verdict_attributes {
525 NFTA_VERDICT_CHAIN_ID,
528 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)
531 * enum nft_expr_attributes - nf_tables expression netlink attributes
533 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
534 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
536 enum nft_expr_attributes {
542 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)
545 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
547 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
548 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
550 enum nft_immediate_attributes {
551 NFTA_IMMEDIATE_UNSPEC,
556 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)
559 * enum nft_bitwise_ops - nf_tables bitwise operations
561 * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and
562 * XOR boolean operations
563 * @NFT_BITWISE_LSHIFT: left-shift operation
564 * @NFT_BITWISE_RSHIFT: right-shift operation
566 enum nft_bitwise_ops {
573 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
575 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
576 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
577 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
578 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
579 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
580 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops)
581 * @NFTA_BITWISE_DATA: argument for non-boolean operations
582 * (NLA_NESTED: nft_data_attributes)
584 * The bitwise expression supports boolean and shift operations. It implements
585 * the boolean operations by performing the following operation:
587 * dreg = (sreg & mask) ^ xor
589 * with these mask and xor values:
597 enum nft_bitwise_attributes {
608 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)
611 * enum nft_byteorder_ops - nf_tables byteorder operators
613 * @NFT_BYTEORDER_NTOH: network to host operator
614 * @NFT_BYTEORDER_HTON: host to network operator
616 enum nft_byteorder_ops {
622 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
624 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
625 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
626 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
627 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
628 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
630 enum nft_byteorder_attributes {
631 NFTA_BYTEORDER_UNSPEC,
639 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)
642 * enum nft_cmp_ops - nf_tables relational operator
645 * @NFT_CMP_NEQ: not equal
646 * @NFT_CMP_LT: less than
647 * @NFT_CMP_LTE: less than or equal to
648 * @NFT_CMP_GT: greater than
649 * @NFT_CMP_GTE: greater than or equal to
661 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
663 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
664 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
665 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
667 enum nft_cmp_attributes {
674 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)
677 * enum nft_range_ops - nf_tables range operator
679 * @NFT_RANGE_EQ: equal
680 * @NFT_RANGE_NEQ: not equal
688 * enum nft_range_attributes - nf_tables range expression netlink attributes
690 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
691 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops)
692 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
693 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
695 enum nft_range_attributes {
699 NFTA_RANGE_FROM_DATA,
703 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)
705 enum nft_lookup_flags {
706 NFT_LOOKUP_F_INV = (1 << 0),
710 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
712 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
713 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
714 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
715 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
716 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
718 enum nft_lookup_attributes {
727 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)
729 enum nft_dynset_ops {
731 NFT_DYNSET_OP_UPDATE,
732 NFT_DYNSET_OP_DELETE,
735 enum nft_dynset_flags {
736 NFT_DYNSET_F_INV = (1 << 0),
737 NFT_DYNSET_F_EXPR = (1 << 1),
741 * enum nft_dynset_attributes - dynset expression attributes
743 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
744 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
745 * @NFTA_DYNSET_OP: operation (NLA_U32)
746 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
747 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
748 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
749 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
750 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
751 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
753 enum nft_dynset_attributes {
755 NFTA_DYNSET_SET_NAME,
758 NFTA_DYNSET_SREG_KEY,
759 NFTA_DYNSET_SREG_DATA,
764 NFTA_DYNSET_EXPRESSIONS,
767 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)
770 * enum nft_payload_bases - nf_tables payload expression offset bases
772 * @NFT_PAYLOAD_LL_HEADER: link layer header
773 * @NFT_PAYLOAD_NETWORK_HEADER: network header
774 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
775 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload
777 enum nft_payload_bases {
778 NFT_PAYLOAD_LL_HEADER,
779 NFT_PAYLOAD_NETWORK_HEADER,
780 NFT_PAYLOAD_TRANSPORT_HEADER,
781 NFT_PAYLOAD_INNER_HEADER,
782 NFT_PAYLOAD_TUN_HEADER,
786 * enum nft_payload_csum_types - nf_tables payload expression checksum types
788 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
789 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
790 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309)
792 enum nft_payload_csum_types {
793 NFT_PAYLOAD_CSUM_NONE,
794 NFT_PAYLOAD_CSUM_INET,
795 NFT_PAYLOAD_CSUM_SCTP,
798 enum nft_payload_csum_flags {
799 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
802 enum nft_inner_type {
803 NFT_INNER_UNSPEC = 0,
808 enum nft_inner_flags {
809 NFT_INNER_HDRSIZE = (1 << 0),
810 NFT_INNER_LL = (1 << 1),
811 NFT_INNER_NH = (1 << 2),
812 NFT_INNER_TH = (1 << 3),
814 #define NFT_INNER_MASK (NFT_INNER_HDRSIZE | NFT_INNER_LL | \
815 NFT_INNER_NH | NFT_INNER_TH)
817 enum nft_inner_attributes {
826 #define NFTA_INNER_MAX (__NFTA_INNER_MAX - 1)
829 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
831 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
832 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
833 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
834 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
835 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
836 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
837 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
838 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
840 enum nft_payload_attributes {
847 NFTA_PAYLOAD_CSUM_TYPE,
848 NFTA_PAYLOAD_CSUM_OFFSET,
849 NFTA_PAYLOAD_CSUM_FLAGS,
852 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)
854 enum nft_exthdr_flags {
855 NFT_EXTHDR_F_PRESENT = (1 << 0),
859 * enum nft_exthdr_op - nf_tables match options
861 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
862 * @NFT_EXTHDR_OP_TCP: match against tcp options
863 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options
864 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks
865 * @NFT_EXTHDR_OP_DCCP: match against dccp otions
869 NFT_EXTHDR_OP_TCPOPT,
875 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)
878 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
880 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
881 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
882 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
883 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
884 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
885 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
886 * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers)
888 enum nft_exthdr_attributes {
899 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)
902 * enum nft_meta_keys - nf_tables meta expression keys
904 * @NFT_META_LEN: packet length (skb->len)
905 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
906 * @NFT_META_PRIORITY: packet priority (skb->priority)
907 * @NFT_META_MARK: packet mark (skb->mark)
908 * @NFT_META_IIF: packet input interface index (dev->ifindex)
909 * @NFT_META_OIF: packet output interface index (dev->ifindex)
910 * @NFT_META_IIFNAME: packet input interface name (dev->name)
911 * @NFT_META_OIFNAME: packet output interface name (dev->name)
912 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
913 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
914 * @NFT_META_SKUID: originating socket UID (fsuid)
915 * @NFT_META_SKGID: originating socket GID (fsgid)
916 * @NFT_META_NFTRACE: packet nftrace bit
917 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
918 * @NFT_META_SECMARK: packet secmark (skb->secmark)
919 * @NFT_META_NFPROTO: netfilter protocol
920 * @NFT_META_L4PROTO: layer 4 protocol number
921 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
922 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
923 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
924 * @NFT_META_CPU: cpu id through smp_processor_id()
925 * @NFT_META_IIFGROUP: packet input interface group
926 * @NFT_META_OIFGROUP: packet output interface group
927 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
928 * @NFT_META_PRANDOM: a 32bit pseudo-random number
929 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
930 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
931 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
932 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid
933 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto
934 * @NFT_META_TIME_NS: time since epoch (in nanoseconds)
935 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday)
936 * @NFT_META_TIME_HOUR: hour of day (in seconds)
937 * @NFT_META_SDIF: slave device interface index
938 * @NFT_META_SDIFNAME: slave device interface name
939 * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit
951 #define NFT_META_IIFTYPE NFT_META_IFTYPE
960 NFT_META_BRI_IIFNAME,
961 NFT_META_BRI_OIFNAME,
971 NFT_META_BRI_IIFPVID,
972 NFT_META_BRI_IIFVPROTO,
983 * enum nft_rt_keys - nf_tables routing expression keys
985 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
986 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
987 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
988 * @NFT_RT_TCPMSS: fetch current path tcp mss
989 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL
999 #define NFT_RT_MAX (__NFT_RT_MAX - 1)
1002 * enum nft_hash_types - nf_tables hash expression types
1004 * @NFT_HASH_JENKINS: Jenkins Hash
1005 * @NFT_HASH_SYM: Symmetric Hash
1007 enum nft_hash_types {
1013 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
1015 * @NFTA_HASH_SREG: source register (NLA_U32)
1016 * @NFTA_HASH_DREG: destination register (NLA_U32)
1017 * @NFTA_HASH_LEN: source data length (NLA_U32)
1018 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
1019 * @NFTA_HASH_SEED: seed value (NLA_U32)
1020 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
1021 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
1022 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
1023 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
1025 enum nft_hash_attributes {
1034 NFTA_HASH_SET_NAME, /* deprecated */
1035 NFTA_HASH_SET_ID, /* deprecated */
1038 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)
1041 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
1043 * @NFTA_META_DREG: destination register (NLA_U32)
1044 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
1045 * @NFTA_META_SREG: source register (NLA_U32)
1047 enum nft_meta_attributes {
1054 #define NFTA_META_MAX (__NFTA_META_MAX - 1)
1057 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
1059 * @NFTA_RT_DREG: destination register (NLA_U32)
1060 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
1062 enum nft_rt_attributes {
1068 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1)
1071 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
1073 * @NFTA_SOCKET_KEY: socket key to match
1074 * @NFTA_SOCKET_DREG: destination register
1075 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2)
1077 enum nft_socket_attributes {
1084 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)
1087 * enum nft_socket_keys - nf_tables socket expression keys
1089 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option
1090 * @NFT_SOCKET_MARK: Value of the socket mark
1091 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0)
1092 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2
1094 enum nft_socket_keys {
1095 NFT_SOCKET_TRANSPARENT,
1097 NFT_SOCKET_WILDCARD,
1098 NFT_SOCKET_CGROUPV2,
1101 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)
1104 * enum nft_ct_keys - nf_tables ct expression keys
1106 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
1107 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
1108 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
1109 * @NFT_CT_MARK: conntrack mark value
1110 * @NFT_CT_SECMARK: conntrack secmark value
1111 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
1112 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
1113 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
1114 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
1115 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
1116 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
1117 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
1118 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
1119 * @NFT_CT_LABELS: conntrack labels
1120 * @NFT_CT_PKTS: conntrack packets
1121 * @NFT_CT_BYTES: conntrack bytes
1122 * @NFT_CT_AVGPKT: conntrack average bytes per packet
1123 * @NFT_CT_ZONE: conntrack zone
1124 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
1125 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
1126 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
1127 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
1128 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
1129 * @NFT_CT_ID: conntrack id
1158 #define NFT_CT_MAX (__NFT_CT_MAX - 1)
1161 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
1163 * @NFTA_CT_DREG: destination register (NLA_U32)
1164 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
1165 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
1166 * @NFTA_CT_SREG: source register (NLA_U32)
1168 enum nft_ct_attributes {
1176 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
1179 * enum nft_flow_attributes - ct offload expression attributes
1180 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1182 enum nft_offload_attributes {
1184 NFTA_FLOW_TABLE_NAME,
1187 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)
1189 enum nft_limit_type {
1194 enum nft_limit_flags {
1195 NFT_LIMIT_F_INV = (1 << 0),
1199 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1201 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1202 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1203 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1204 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1205 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1207 enum nft_limit_attributes {
1217 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
1219 enum nft_connlimit_flags {
1220 NFT_CONNLIMIT_F_INV = (1 << 0),
1224 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1226 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1227 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1229 enum nft_connlimit_attributes {
1230 NFTA_CONNLIMIT_UNSPEC,
1231 NFTA_CONNLIMIT_COUNT,
1232 NFTA_CONNLIMIT_FLAGS,
1233 __NFTA_CONNLIMIT_MAX
1235 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)
1238 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1240 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1241 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1243 enum nft_counter_attributes {
1244 NFTA_COUNTER_UNSPEC,
1246 NFTA_COUNTER_PACKETS,
1250 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)
1253 * enum nft_last_attributes - nf_tables last expression netlink attributes
1255 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32)
1256 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64)
1258 enum nft_last_attributes {
1265 #define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1)
1268 * enum nft_log_attributes - nf_tables log expression netlink attributes
1270 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16)
1271 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1272 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1273 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16)
1274 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1275 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1277 enum nft_log_attributes {
1282 NFTA_LOG_QTHRESHOLD,
1287 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)
1290 * enum nft_log_level - nf_tables log levels
1292 * @NFT_LOGLEVEL_EMERG: system is unusable
1293 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
1294 * @NFT_LOGLEVEL_CRIT: critical conditions
1295 * @NFT_LOGLEVEL_ERR: error conditions
1296 * @NFT_LOGLEVEL_WARNING: warning conditions
1297 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
1298 * @NFT_LOGLEVEL_INFO: informational
1299 * @NFT_LOGLEVEL_DEBUG: debug-level messages
1300 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
1302 enum nft_log_level {
1307 NFT_LOGLEVEL_WARNING,
1308 NFT_LOGLEVEL_NOTICE,
1314 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1)
1317 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1319 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1320 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1321 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1322 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1324 enum nft_queue_attributes {
1329 NFTA_QUEUE_SREG_QNUM,
1332 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)
1334 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */
1335 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */
1336 #define NFT_QUEUE_FLAG_MASK 0x03
1338 enum nft_quota_flags {
1339 NFT_QUOTA_F_INV = (1 << 0),
1340 NFT_QUOTA_F_DEPLETED = (1 << 1),
1344 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1346 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1347 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1348 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1350 enum nft_quota_attributes {
1355 NFTA_QUOTA_CONSUMED,
1358 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)
1361 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes
1363 * @NFTA_SECMARK_CTX: security context (NLA_STRING)
1365 enum nft_secmark_attributes {
1366 NFTA_SECMARK_UNSPEC,
1370 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1)
1372 /* Max security context length */
1373 #define NFT_SECMARK_CTX_MAXLEN 256
1376 * enum nft_reject_types - nf_tables reject expression reject types
1378 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1379 * @NFT_REJECT_TCP_RST: reject using TCP RST
1380 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1382 enum nft_reject_types {
1383 NFT_REJECT_ICMP_UNREACH,
1385 NFT_REJECT_ICMPX_UNREACH,
1389 * enum nft_reject_code - Generic reject codes for IPv4/IPv6
1391 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1392 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1393 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1394 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1396 * These codes are mapped to real ICMP and ICMPv6 codes.
1398 enum nft_reject_inet_code {
1399 NFT_REJECT_ICMPX_NO_ROUTE = 0,
1400 NFT_REJECT_ICMPX_PORT_UNREACH,
1401 NFT_REJECT_ICMPX_HOST_UNREACH,
1402 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1403 __NFT_REJECT_ICMPX_MAX
1405 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)
1408 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1410 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1411 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1413 enum nft_reject_attributes {
1416 NFTA_REJECT_ICMP_CODE,
1419 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)
1422 * enum nft_nat_types - nf_tables nat expression NAT types
1424 * @NFT_NAT_SNAT: source NAT
1425 * @NFT_NAT_DNAT: destination NAT
1427 enum nft_nat_types {
1433 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1435 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1436 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1437 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1438 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1439 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1440 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1441 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1443 enum nft_nat_attributes {
1447 NFTA_NAT_REG_ADDR_MIN,
1448 NFTA_NAT_REG_ADDR_MAX,
1449 NFTA_NAT_REG_PROTO_MIN,
1450 NFTA_NAT_REG_PROTO_MAX,
1454 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)
1457 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
1459 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
1460 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
1461 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
1463 enum nft_tproxy_attributes {
1466 NFTA_TPROXY_REG_ADDR,
1467 NFTA_TPROXY_REG_PORT,
1470 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1)
1473 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1475 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1476 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1477 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1479 enum nft_masq_attributes {
1482 NFTA_MASQ_REG_PROTO_MIN,
1483 NFTA_MASQ_REG_PROTO_MAX,
1486 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)
1489 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1491 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1492 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1493 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1495 enum nft_redir_attributes {
1497 NFTA_REDIR_REG_PROTO_MIN,
1498 NFTA_REDIR_REG_PROTO_MAX,
1502 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
1505 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1507 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1508 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1510 enum nft_dup_attributes {
1516 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
1519 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1521 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1522 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1523 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1525 enum nft_fwd_attributes {
1532 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
1535 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1537 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1538 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1539 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1540 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1541 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1543 enum nft_objref_attributes {
1545 NFTA_OBJREF_IMM_TYPE,
1546 NFTA_OBJREF_IMM_NAME,
1547 NFTA_OBJREF_SET_SREG,
1548 NFTA_OBJREF_SET_NAME,
1552 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
1555 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1557 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1559 enum nft_gen_attributes {
1566 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)
1569 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1571 * @NFTA_FIB_DREG: destination register (NLA_U32)
1572 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1573 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1575 * The FIB expression performs a route lookup according
1576 * to the packet data.
1578 enum nft_fib_attributes {
1585 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1587 enum nft_fib_result {
1588 NFT_FIB_RESULT_UNSPEC,
1590 NFT_FIB_RESULT_OIFNAME,
1591 NFT_FIB_RESULT_ADDRTYPE,
1592 __NFT_FIB_RESULT_MAX
1594 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)
1596 enum nft_fib_flags {
1597 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */
1598 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */
1599 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */
1600 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */
1601 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */
1602 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */
1605 enum nft_ct_helper_attributes {
1606 NFTA_CT_HELPER_UNSPEC,
1607 NFTA_CT_HELPER_NAME,
1608 NFTA_CT_HELPER_L3PROTO,
1609 NFTA_CT_HELPER_L4PROTO,
1610 __NFTA_CT_HELPER_MAX,
1612 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)
1614 enum nft_ct_timeout_timeout_attributes {
1615 NFTA_CT_TIMEOUT_UNSPEC,
1616 NFTA_CT_TIMEOUT_L3PROTO,
1617 NFTA_CT_TIMEOUT_L4PROTO,
1618 NFTA_CT_TIMEOUT_DATA,
1619 __NFTA_CT_TIMEOUT_MAX,
1621 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1)
1623 enum nft_ct_expectation_attributes {
1624 NFTA_CT_EXPECT_UNSPEC,
1625 NFTA_CT_EXPECT_L3PROTO,
1626 NFTA_CT_EXPECT_L4PROTO,
1627 NFTA_CT_EXPECT_DPORT,
1628 NFTA_CT_EXPECT_TIMEOUT,
1629 NFTA_CT_EXPECT_SIZE,
1630 __NFTA_CT_EXPECT_MAX,
1632 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1)
1634 #define NFT_OBJECT_UNSPEC 0
1635 #define NFT_OBJECT_COUNTER 1
1636 #define NFT_OBJECT_QUOTA 2
1637 #define NFT_OBJECT_CT_HELPER 3
1638 #define NFT_OBJECT_LIMIT 4
1639 #define NFT_OBJECT_CONNLIMIT 5
1640 #define NFT_OBJECT_TUNNEL 6
1641 #define NFT_OBJECT_CT_TIMEOUT 7
1642 #define NFT_OBJECT_SECMARK 8
1643 #define NFT_OBJECT_CT_EXPECT 9
1644 #define NFT_OBJECT_SYNPROXY 10
1645 #define __NFT_OBJECT_MAX 11
1646 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)
1649 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1651 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1652 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1653 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1654 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1655 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1656 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1657 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY)
1659 enum nft_object_attributes {
1671 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)
1674 * enum nft_flowtable_flags - nf_tables flowtable flags
1676 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled
1677 * @NFT_FLOWTABLE_COUNTER: enable flow counters
1679 enum nft_flowtable_flags {
1680 NFT_FLOWTABLE_HW_OFFLOAD = 0x1,
1681 NFT_FLOWTABLE_COUNTER = 0x2,
1682 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD |
1683 NFT_FLOWTABLE_COUNTER)
1687 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1689 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1690 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1691 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)
1692 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1693 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1694 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32)
1696 enum nft_flowtable_attributes {
1697 NFTA_FLOWTABLE_UNSPEC,
1698 NFTA_FLOWTABLE_TABLE,
1699 NFTA_FLOWTABLE_NAME,
1700 NFTA_FLOWTABLE_HOOK,
1702 NFTA_FLOWTABLE_HANDLE,
1704 NFTA_FLOWTABLE_FLAGS,
1705 __NFTA_FLOWTABLE_MAX
1707 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)
1710 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1712 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1713 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1714 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1716 enum nft_flowtable_hook_attributes {
1717 NFTA_FLOWTABLE_HOOK_UNSPEC,
1718 NFTA_FLOWTABLE_HOOK_NUM,
1719 NFTA_FLOWTABLE_HOOK_PRIORITY,
1720 NFTA_FLOWTABLE_HOOK_DEVS,
1721 __NFTA_FLOWTABLE_HOOK_MAX
1723 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)
1726 * enum nft_osf_attributes - nftables osf expression netlink attributes
1728 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers)
1729 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8)
1730 * @NFTA_OSF_FLAGS: flags (NLA_U32)
1732 enum nft_osf_attributes {
1739 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)
1741 enum nft_osf_flags {
1742 NFT_OSF_F_VERSION = (1 << 0),
1746 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes
1748 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16)
1749 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8)
1750 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32)
1752 enum nft_synproxy_attributes {
1753 NFTA_SYNPROXY_UNSPEC,
1755 NFTA_SYNPROXY_WSCALE,
1756 NFTA_SYNPROXY_FLAGS,
1757 __NFTA_SYNPROXY_MAX,
1759 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1)
1762 * enum nft_device_attributes - nf_tables device netlink attributes
1764 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1766 enum nft_devices_attributes {
1771 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
1774 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
1776 * @NFTA_XFRM_DREG: destination register (NLA_U32)
1777 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
1778 * @NFTA_XFRM_DIR: direction (NLA_U8)
1779 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
1781 enum nft_xfrm_attributes {
1789 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)
1791 enum nft_xfrm_keys {
1792 NFT_XFRM_KEY_UNSPEC,
1793 NFT_XFRM_KEY_DADDR_IP4,
1794 NFT_XFRM_KEY_DADDR_IP6,
1795 NFT_XFRM_KEY_SADDR_IP4,
1796 NFT_XFRM_KEY_SADDR_IP6,
1801 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)
1804 * enum nft_trace_attributes - nf_tables trace netlink attributes
1806 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1807 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1808 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1809 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1810 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1811 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1812 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1813 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1814 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1815 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1816 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1817 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1818 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1819 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1820 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1821 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1823 enum nft_trace_attributes {
1827 NFTA_TRACE_RULE_HANDLE,
1831 NFTA_TRACE_LL_HEADER,
1832 NFTA_TRACE_NETWORK_HEADER,
1833 NFTA_TRACE_TRANSPORT_HEADER,
1844 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1846 enum nft_trace_types {
1847 NFT_TRACETYPE_UNSPEC,
1848 NFT_TRACETYPE_POLICY,
1849 NFT_TRACETYPE_RETURN,
1853 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1856 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1858 * @NFTA_NG_DREG: destination register (NLA_U32)
1859 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1860 * @NFTA_NG_TYPE: operation type (NLA_U32)
1861 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1862 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1863 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1865 enum nft_ng_attributes {
1871 NFTA_NG_SET_NAME, /* deprecated */
1872 NFTA_NG_SET_ID, /* deprecated */
1875 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1)
1882 #define NFT_NG_MAX (__NFT_NG_MAX - 1)
1884 enum nft_tunnel_key_ip_attributes {
1885 NFTA_TUNNEL_KEY_IP_UNSPEC,
1886 NFTA_TUNNEL_KEY_IP_SRC,
1887 NFTA_TUNNEL_KEY_IP_DST,
1888 __NFTA_TUNNEL_KEY_IP_MAX
1890 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1)
1892 enum nft_tunnel_ip6_attributes {
1893 NFTA_TUNNEL_KEY_IP6_UNSPEC,
1894 NFTA_TUNNEL_KEY_IP6_SRC,
1895 NFTA_TUNNEL_KEY_IP6_DST,
1896 NFTA_TUNNEL_KEY_IP6_FLOWLABEL,
1897 __NFTA_TUNNEL_KEY_IP6_MAX
1899 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1)
1901 enum nft_tunnel_opts_attributes {
1902 NFTA_TUNNEL_KEY_OPTS_UNSPEC,
1903 NFTA_TUNNEL_KEY_OPTS_VXLAN,
1904 NFTA_TUNNEL_KEY_OPTS_ERSPAN,
1905 NFTA_TUNNEL_KEY_OPTS_GENEVE,
1906 __NFTA_TUNNEL_KEY_OPTS_MAX
1908 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1)
1910 enum nft_tunnel_opts_vxlan_attributes {
1911 NFTA_TUNNEL_KEY_VXLAN_UNSPEC,
1912 NFTA_TUNNEL_KEY_VXLAN_GBP,
1913 __NFTA_TUNNEL_KEY_VXLAN_MAX
1915 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)
1917 enum nft_tunnel_opts_erspan_attributes {
1918 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,
1919 NFTA_TUNNEL_KEY_ERSPAN_VERSION,
1920 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,
1921 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,
1922 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,
1923 __NFTA_TUNNEL_KEY_ERSPAN_MAX
1925 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)
1927 enum nft_tunnel_opts_geneve_attributes {
1928 NFTA_TUNNEL_KEY_GENEVE_UNSPEC,
1929 NFTA_TUNNEL_KEY_GENEVE_CLASS,
1930 NFTA_TUNNEL_KEY_GENEVE_TYPE,
1931 NFTA_TUNNEL_KEY_GENEVE_DATA,
1932 __NFTA_TUNNEL_KEY_GENEVE_MAX
1934 #define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1)
1936 enum nft_tunnel_flags {
1937 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0),
1938 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1),
1939 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2),
1941 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \
1942 NFT_TUNNEL_F_DONT_FRAGMENT | \
1943 NFT_TUNNEL_F_SEQ_NUMBER)
1945 enum nft_tunnel_key_attributes {
1946 NFTA_TUNNEL_KEY_UNSPEC,
1949 NFTA_TUNNEL_KEY_IP6,
1950 NFTA_TUNNEL_KEY_FLAGS,
1951 NFTA_TUNNEL_KEY_TOS,
1952 NFTA_TUNNEL_KEY_TTL,
1953 NFTA_TUNNEL_KEY_SPORT,
1954 NFTA_TUNNEL_KEY_DPORT,
1955 NFTA_TUNNEL_KEY_OPTS,
1956 __NFTA_TUNNEL_KEY_MAX
1958 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)
1960 enum nft_tunnel_keys {
1965 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)
1967 enum nft_tunnel_mode {
1968 NFT_TUNNEL_MODE_NONE,
1971 __NFT_TUNNEL_MODE_MAX
1973 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1)
1975 enum nft_tunnel_attributes {
1982 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)
1984 #endif /* _LINUX_NF_TABLES_H */