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
182 * @NFT_TABLE_F_OWNER: this table is owned by a process
183 * @NFT_TABLE_F_PERSIST: this table shall outlive its owner
185 enum nft_table_flags {
186 NFT_TABLE_F_DORMANT = 0x1,
187 NFT_TABLE_F_OWNER = 0x2,
188 NFT_TABLE_F_PERSIST = 0x4,
190 #define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | \
191 NFT_TABLE_F_OWNER | \
195 * enum nft_table_attributes - nf_tables table netlink attributes
197 * @NFTA_TABLE_NAME: name of the table (NLA_STRING)
198 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)
199 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)
200 * @NFTA_TABLE_USERDATA: user data (NLA_BINARY)
201 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32)
203 enum nft_table_attributes {
214 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)
216 enum nft_chain_flags {
217 NFT_CHAIN_BASE = (1 << 0),
218 NFT_CHAIN_HW_OFFLOAD = (1 << 1),
219 NFT_CHAIN_BINDING = (1 << 2),
221 #define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \
222 NFT_CHAIN_HW_OFFLOAD | \
226 * enum nft_chain_attributes - nf_tables chain netlink attributes
228 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING)
229 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64)
230 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING)
231 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes)
232 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32)
233 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32)
234 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING)
235 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes)
236 * @NFTA_CHAIN_FLAGS: chain flags
237 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32)
238 * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY)
240 enum nft_chain_attributes {
256 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1)
259 * enum nft_rule_attributes - nf_tables rule netlink attributes
261 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)
262 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)
263 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)
264 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
265 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
266 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
267 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
268 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)
269 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32)
270 * @NFTA_RULE_CHAIN_ID: add the rule to chain by ID, alternative to @NFTA_RULE_CHAIN (NLA_U32)
272 enum nft_rule_attributes {
277 NFTA_RULE_EXPRESSIONS,
283 NFTA_RULE_POSITION_ID,
287 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1)
290 * enum nft_rule_compat_flags - nf_tables rule compat flags
292 * @NFT_RULE_COMPAT_F_UNUSED: unused
293 * @NFT_RULE_COMPAT_F_INV: invert the check result
295 enum nft_rule_compat_flags {
296 NFT_RULE_COMPAT_F_UNUSED = (1 << 0),
297 NFT_RULE_COMPAT_F_INV = (1 << 1),
298 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,
302 * enum nft_rule_compat_attributes - nf_tables rule compat attributes
304 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)
305 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)
307 enum nft_rule_compat_attributes {
308 NFTA_RULE_COMPAT_UNSPEC,
309 NFTA_RULE_COMPAT_PROTO,
310 NFTA_RULE_COMPAT_FLAGS,
311 __NFTA_RULE_COMPAT_MAX
313 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1)
316 * enum nft_set_flags - nf_tables set flags
318 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink
319 * @NFT_SET_CONSTANT: set contents may not change while bound
320 * @NFT_SET_INTERVAL: set contains intervals
321 * @NFT_SET_MAP: set is used as a dictionary
322 * @NFT_SET_TIMEOUT: set uses timeouts
323 * @NFT_SET_EVAL: set can be updated from the evaluation path
324 * @NFT_SET_OBJECT: set contains stateful objects
325 * @NFT_SET_CONCAT: set contains a concatenation
326 * @NFT_SET_EXPR: set contains expressions
329 NFT_SET_ANONYMOUS = 0x1,
330 NFT_SET_CONSTANT = 0x2,
331 NFT_SET_INTERVAL = 0x4,
333 NFT_SET_TIMEOUT = 0x10,
335 NFT_SET_OBJECT = 0x40,
336 NFT_SET_CONCAT = 0x80,
337 NFT_SET_EXPR = 0x100,
341 * enum nft_set_policies - set selection policy
343 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use
344 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance
346 enum nft_set_policies {
347 NFT_SET_POL_PERFORMANCE,
352 * enum nft_set_desc_attributes - set element description
354 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)
355 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED)
357 enum nft_set_desc_attributes {
358 NFTA_SET_DESC_UNSPEC,
360 NFTA_SET_DESC_CONCAT,
363 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1)
366 * enum nft_set_field_attributes - attributes of concatenated fields
368 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32)
370 enum nft_set_field_attributes {
371 NFTA_SET_FIELD_UNSPEC,
375 #define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1)
378 * enum nft_set_attributes - nf_tables set netlink attributes
380 * @NFTA_SET_TABLE: table name (NLA_STRING)
381 * @NFTA_SET_NAME: set name (NLA_STRING)
382 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)
383 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)
384 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)
385 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)
386 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)
387 * @NFTA_SET_POLICY: selection policy (NLA_U32)
388 * @NFTA_SET_DESC: set description (NLA_NESTED)
389 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
390 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)
391 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)
392 * @NFTA_SET_USERDATA: user data (NLA_BINARY)
393 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)
394 * @NFTA_SET_HANDLE: set handle (NLA_U64)
395 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes)
396 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
398 enum nft_set_attributes {
411 NFTA_SET_GC_INTERVAL,
417 NFTA_SET_EXPRESSIONS,
420 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1)
423 * enum nft_set_elem_flags - nf_tables set element flags
425 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
426 * @NFT_SET_ELEM_CATCHALL: special catch-all element
428 enum nft_set_elem_flags {
429 NFT_SET_ELEM_INTERVAL_END = 0x1,
430 NFT_SET_ELEM_CATCHALL = 0x2,
434 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
436 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
437 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
438 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
439 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)
440 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
441 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
442 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
443 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
444 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data)
445 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
447 enum nft_set_elem_attributes {
448 NFTA_SET_ELEM_UNSPEC,
452 NFTA_SET_ELEM_TIMEOUT,
453 NFTA_SET_ELEM_EXPIRATION,
454 NFTA_SET_ELEM_USERDATA,
457 NFTA_SET_ELEM_OBJREF,
458 NFTA_SET_ELEM_KEY_END,
459 NFTA_SET_ELEM_EXPRESSIONS,
462 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)
465 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
467 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
468 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
469 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
470 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
472 enum nft_set_elem_list_attributes {
473 NFTA_SET_ELEM_LIST_UNSPEC,
474 NFTA_SET_ELEM_LIST_TABLE,
475 NFTA_SET_ELEM_LIST_SET,
476 NFTA_SET_ELEM_LIST_ELEMENTS,
477 NFTA_SET_ELEM_LIST_SET_ID,
478 __NFTA_SET_ELEM_LIST_MAX
480 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)
483 * enum nft_data_types - nf_tables data types
485 * @NFT_DATA_VALUE: generic data
486 * @NFT_DATA_VERDICT: netfilter verdict
488 * The type of data is usually determined by the kernel directly and is not
489 * explicitly specified by userspace. The only difference are sets, where
490 * userspace specifies the key and mapping data types.
492 * The values 0xffffff00-0xffffffff are reserved for internally used types.
493 * The remaining range can be freely used by userspace to encode types, all
494 * values are equivalent to NFT_DATA_VALUE.
496 enum nft_data_types {
498 NFT_DATA_VERDICT = 0xffffff00U,
501 #define NFT_DATA_RESERVED_MASK 0xffffff00U
504 * enum nft_data_attributes - nf_tables data netlink attributes
506 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
507 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
509 enum nft_data_attributes {
515 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)
517 /* Maximum length of a value */
518 #define NFT_DATA_VALUE_MAXLEN 64
521 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
523 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
524 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
525 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32)
527 enum nft_verdict_attributes {
531 NFTA_VERDICT_CHAIN_ID,
534 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)
537 * enum nft_expr_attributes - nf_tables expression netlink attributes
539 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
540 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
542 enum nft_expr_attributes {
548 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)
551 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
553 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
554 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
556 enum nft_immediate_attributes {
557 NFTA_IMMEDIATE_UNSPEC,
562 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)
565 * enum nft_bitwise_ops - nf_tables bitwise operations
567 * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and
568 * XOR boolean operations
569 * @NFT_BITWISE_LSHIFT: left-shift operation
570 * @NFT_BITWISE_RSHIFT: right-shift operation
572 enum nft_bitwise_ops {
579 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
581 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
582 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
583 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
584 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
585 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
586 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops)
587 * @NFTA_BITWISE_DATA: argument for non-boolean operations
588 * (NLA_NESTED: nft_data_attributes)
590 * The bitwise expression supports boolean and shift operations. It implements
591 * the boolean operations by performing the following operation:
593 * dreg = (sreg & mask) ^ xor
595 * with these mask and xor values:
603 enum nft_bitwise_attributes {
614 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)
617 * enum nft_byteorder_ops - nf_tables byteorder operators
619 * @NFT_BYTEORDER_NTOH: network to host operator
620 * @NFT_BYTEORDER_HTON: host to network operator
622 enum nft_byteorder_ops {
628 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
630 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
631 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
632 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
633 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
634 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
636 enum nft_byteorder_attributes {
637 NFTA_BYTEORDER_UNSPEC,
645 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)
648 * enum nft_cmp_ops - nf_tables relational operator
651 * @NFT_CMP_NEQ: not equal
652 * @NFT_CMP_LT: less than
653 * @NFT_CMP_LTE: less than or equal to
654 * @NFT_CMP_GT: greater than
655 * @NFT_CMP_GTE: greater than or equal to
667 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
669 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
670 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
671 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
673 enum nft_cmp_attributes {
680 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)
683 * enum nft_range_ops - nf_tables range operator
685 * @NFT_RANGE_EQ: equal
686 * @NFT_RANGE_NEQ: not equal
694 * enum nft_range_attributes - nf_tables range expression netlink attributes
696 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
697 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops)
698 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
699 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
701 enum nft_range_attributes {
705 NFTA_RANGE_FROM_DATA,
709 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)
711 enum nft_lookup_flags {
712 NFT_LOOKUP_F_INV = (1 << 0),
716 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
718 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
719 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
720 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
721 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
722 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
724 enum nft_lookup_attributes {
733 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)
735 enum nft_dynset_ops {
737 NFT_DYNSET_OP_UPDATE,
738 NFT_DYNSET_OP_DELETE,
741 enum nft_dynset_flags {
742 NFT_DYNSET_F_INV = (1 << 0),
743 NFT_DYNSET_F_EXPR = (1 << 1),
747 * enum nft_dynset_attributes - dynset expression attributes
749 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
750 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
751 * @NFTA_DYNSET_OP: operation (NLA_U32)
752 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
753 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
754 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
755 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
756 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
757 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
759 enum nft_dynset_attributes {
761 NFTA_DYNSET_SET_NAME,
764 NFTA_DYNSET_SREG_KEY,
765 NFTA_DYNSET_SREG_DATA,
770 NFTA_DYNSET_EXPRESSIONS,
773 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)
776 * enum nft_payload_bases - nf_tables payload expression offset bases
778 * @NFT_PAYLOAD_LL_HEADER: link layer header
779 * @NFT_PAYLOAD_NETWORK_HEADER: network header
780 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
781 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload
783 enum nft_payload_bases {
784 NFT_PAYLOAD_LL_HEADER,
785 NFT_PAYLOAD_NETWORK_HEADER,
786 NFT_PAYLOAD_TRANSPORT_HEADER,
787 NFT_PAYLOAD_INNER_HEADER,
788 NFT_PAYLOAD_TUN_HEADER,
792 * enum nft_payload_csum_types - nf_tables payload expression checksum types
794 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
795 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
796 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309)
798 enum nft_payload_csum_types {
799 NFT_PAYLOAD_CSUM_NONE,
800 NFT_PAYLOAD_CSUM_INET,
801 NFT_PAYLOAD_CSUM_SCTP,
804 enum nft_payload_csum_flags {
805 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
808 enum nft_inner_type {
809 NFT_INNER_UNSPEC = 0,
814 enum nft_inner_flags {
815 NFT_INNER_HDRSIZE = (1 << 0),
816 NFT_INNER_LL = (1 << 1),
817 NFT_INNER_NH = (1 << 2),
818 NFT_INNER_TH = (1 << 3),
820 #define NFT_INNER_MASK (NFT_INNER_HDRSIZE | NFT_INNER_LL | \
821 NFT_INNER_NH | NFT_INNER_TH)
823 enum nft_inner_attributes {
832 #define NFTA_INNER_MAX (__NFTA_INNER_MAX - 1)
835 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
837 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
838 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
839 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
840 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
841 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
842 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
843 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
844 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
846 enum nft_payload_attributes {
853 NFTA_PAYLOAD_CSUM_TYPE,
854 NFTA_PAYLOAD_CSUM_OFFSET,
855 NFTA_PAYLOAD_CSUM_FLAGS,
858 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)
860 enum nft_exthdr_flags {
861 NFT_EXTHDR_F_PRESENT = (1 << 0),
865 * enum nft_exthdr_op - nf_tables match options
867 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
868 * @NFT_EXTHDR_OP_TCP: match against tcp options
869 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options
870 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks
871 * @NFT_EXTHDR_OP_DCCP: match against dccp otions
875 NFT_EXTHDR_OP_TCPOPT,
881 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)
884 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
886 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
887 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
888 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
889 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
890 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
891 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
892 * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers)
894 enum nft_exthdr_attributes {
905 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)
908 * enum nft_meta_keys - nf_tables meta expression keys
910 * @NFT_META_LEN: packet length (skb->len)
911 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
912 * @NFT_META_PRIORITY: packet priority (skb->priority)
913 * @NFT_META_MARK: packet mark (skb->mark)
914 * @NFT_META_IIF: packet input interface index (dev->ifindex)
915 * @NFT_META_OIF: packet output interface index (dev->ifindex)
916 * @NFT_META_IIFNAME: packet input interface name (dev->name)
917 * @NFT_META_OIFNAME: packet output interface name (dev->name)
918 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
919 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
920 * @NFT_META_SKUID: originating socket UID (fsuid)
921 * @NFT_META_SKGID: originating socket GID (fsgid)
922 * @NFT_META_NFTRACE: packet nftrace bit
923 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
924 * @NFT_META_SECMARK: packet secmark (skb->secmark)
925 * @NFT_META_NFPROTO: netfilter protocol
926 * @NFT_META_L4PROTO: layer 4 protocol number
927 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
928 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
929 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
930 * @NFT_META_CPU: cpu id through smp_processor_id()
931 * @NFT_META_IIFGROUP: packet input interface group
932 * @NFT_META_OIFGROUP: packet output interface group
933 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
934 * @NFT_META_PRANDOM: a 32bit pseudo-random number
935 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
936 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
937 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
938 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid
939 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto
940 * @NFT_META_TIME_NS: time since epoch (in nanoseconds)
941 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday)
942 * @NFT_META_TIME_HOUR: hour of day (in seconds)
943 * @NFT_META_SDIF: slave device interface index
944 * @NFT_META_SDIFNAME: slave device interface name
945 * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit
957 #define NFT_META_IIFTYPE NFT_META_IFTYPE
966 NFT_META_BRI_IIFNAME,
967 NFT_META_BRI_OIFNAME,
977 NFT_META_BRI_IIFPVID,
978 NFT_META_BRI_IIFVPROTO,
989 * enum nft_rt_keys - nf_tables routing expression keys
991 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
992 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
993 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
994 * @NFT_RT_TCPMSS: fetch current path tcp mss
995 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL
1005 #define NFT_RT_MAX (__NFT_RT_MAX - 1)
1008 * enum nft_hash_types - nf_tables hash expression types
1010 * @NFT_HASH_JENKINS: Jenkins Hash
1011 * @NFT_HASH_SYM: Symmetric Hash
1013 enum nft_hash_types {
1019 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
1021 * @NFTA_HASH_SREG: source register (NLA_U32)
1022 * @NFTA_HASH_DREG: destination register (NLA_U32)
1023 * @NFTA_HASH_LEN: source data length (NLA_U32)
1024 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
1025 * @NFTA_HASH_SEED: seed value (NLA_U32)
1026 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
1027 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
1028 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
1029 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
1031 enum nft_hash_attributes {
1040 NFTA_HASH_SET_NAME, /* deprecated */
1041 NFTA_HASH_SET_ID, /* deprecated */
1044 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)
1047 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
1049 * @NFTA_META_DREG: destination register (NLA_U32)
1050 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
1051 * @NFTA_META_SREG: source register (NLA_U32)
1053 enum nft_meta_attributes {
1060 #define NFTA_META_MAX (__NFTA_META_MAX - 1)
1063 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
1065 * @NFTA_RT_DREG: destination register (NLA_U32)
1066 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
1068 enum nft_rt_attributes {
1074 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1)
1077 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
1079 * @NFTA_SOCKET_KEY: socket key to match
1080 * @NFTA_SOCKET_DREG: destination register
1081 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2)
1083 enum nft_socket_attributes {
1090 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)
1093 * enum nft_socket_keys - nf_tables socket expression keys
1095 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option
1096 * @NFT_SOCKET_MARK: Value of the socket mark
1097 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0)
1098 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2
1100 enum nft_socket_keys {
1101 NFT_SOCKET_TRANSPARENT,
1103 NFT_SOCKET_WILDCARD,
1104 NFT_SOCKET_CGROUPV2,
1107 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)
1110 * enum nft_ct_keys - nf_tables ct expression keys
1112 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
1113 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
1114 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
1115 * @NFT_CT_MARK: conntrack mark value
1116 * @NFT_CT_SECMARK: conntrack secmark value
1117 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
1118 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
1119 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
1120 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
1121 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
1122 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
1123 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
1124 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
1125 * @NFT_CT_LABELS: conntrack labels
1126 * @NFT_CT_PKTS: conntrack packets
1127 * @NFT_CT_BYTES: conntrack bytes
1128 * @NFT_CT_AVGPKT: conntrack average bytes per packet
1129 * @NFT_CT_ZONE: conntrack zone
1130 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
1131 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
1132 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
1133 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
1134 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
1135 * @NFT_CT_ID: conntrack id
1164 #define NFT_CT_MAX (__NFT_CT_MAX - 1)
1167 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
1169 * @NFTA_CT_DREG: destination register (NLA_U32)
1170 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
1171 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
1172 * @NFTA_CT_SREG: source register (NLA_U32)
1174 enum nft_ct_attributes {
1182 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
1185 * enum nft_flow_attributes - ct offload expression attributes
1186 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1188 enum nft_offload_attributes {
1190 NFTA_FLOW_TABLE_NAME,
1193 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)
1195 enum nft_limit_type {
1200 enum nft_limit_flags {
1201 NFT_LIMIT_F_INV = (1 << 0),
1205 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1207 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1208 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1209 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1210 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1211 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1213 enum nft_limit_attributes {
1223 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
1225 enum nft_connlimit_flags {
1226 NFT_CONNLIMIT_F_INV = (1 << 0),
1230 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1232 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1233 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1235 enum nft_connlimit_attributes {
1236 NFTA_CONNLIMIT_UNSPEC,
1237 NFTA_CONNLIMIT_COUNT,
1238 NFTA_CONNLIMIT_FLAGS,
1239 __NFTA_CONNLIMIT_MAX
1241 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)
1244 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1246 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1247 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1249 enum nft_counter_attributes {
1250 NFTA_COUNTER_UNSPEC,
1252 NFTA_COUNTER_PACKETS,
1256 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)
1259 * enum nft_last_attributes - nf_tables last expression netlink attributes
1261 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32)
1262 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64)
1264 enum nft_last_attributes {
1271 #define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1)
1274 * enum nft_log_attributes - nf_tables log expression netlink attributes
1276 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16)
1277 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1278 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1279 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16)
1280 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1281 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1283 enum nft_log_attributes {
1288 NFTA_LOG_QTHRESHOLD,
1293 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)
1296 * enum nft_log_level - nf_tables log levels
1298 * @NFT_LOGLEVEL_EMERG: system is unusable
1299 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
1300 * @NFT_LOGLEVEL_CRIT: critical conditions
1301 * @NFT_LOGLEVEL_ERR: error conditions
1302 * @NFT_LOGLEVEL_WARNING: warning conditions
1303 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
1304 * @NFT_LOGLEVEL_INFO: informational
1305 * @NFT_LOGLEVEL_DEBUG: debug-level messages
1306 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
1308 enum nft_log_level {
1313 NFT_LOGLEVEL_WARNING,
1314 NFT_LOGLEVEL_NOTICE,
1320 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1)
1323 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1325 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1326 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1327 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1328 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1330 enum nft_queue_attributes {
1335 NFTA_QUEUE_SREG_QNUM,
1338 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)
1340 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */
1341 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */
1342 #define NFT_QUEUE_FLAG_MASK 0x03
1344 enum nft_quota_flags {
1345 NFT_QUOTA_F_INV = (1 << 0),
1346 NFT_QUOTA_F_DEPLETED = (1 << 1),
1350 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1352 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1353 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1354 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1356 enum nft_quota_attributes {
1361 NFTA_QUOTA_CONSUMED,
1364 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)
1367 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes
1369 * @NFTA_SECMARK_CTX: security context (NLA_STRING)
1371 enum nft_secmark_attributes {
1372 NFTA_SECMARK_UNSPEC,
1376 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1)
1378 /* Max security context length */
1379 #define NFT_SECMARK_CTX_MAXLEN 256
1382 * enum nft_reject_types - nf_tables reject expression reject types
1384 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1385 * @NFT_REJECT_TCP_RST: reject using TCP RST
1386 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1388 enum nft_reject_types {
1389 NFT_REJECT_ICMP_UNREACH,
1391 NFT_REJECT_ICMPX_UNREACH,
1395 * enum nft_reject_code - Generic reject codes for IPv4/IPv6
1397 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1398 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1399 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1400 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1402 * These codes are mapped to real ICMP and ICMPv6 codes.
1404 enum nft_reject_inet_code {
1405 NFT_REJECT_ICMPX_NO_ROUTE = 0,
1406 NFT_REJECT_ICMPX_PORT_UNREACH,
1407 NFT_REJECT_ICMPX_HOST_UNREACH,
1408 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1409 __NFT_REJECT_ICMPX_MAX
1411 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)
1414 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1416 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1417 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1419 enum nft_reject_attributes {
1422 NFTA_REJECT_ICMP_CODE,
1425 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)
1428 * enum nft_nat_types - nf_tables nat expression NAT types
1430 * @NFT_NAT_SNAT: source NAT
1431 * @NFT_NAT_DNAT: destination NAT
1433 enum nft_nat_types {
1439 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1441 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1442 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1443 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1444 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1445 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1446 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1447 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1449 enum nft_nat_attributes {
1453 NFTA_NAT_REG_ADDR_MIN,
1454 NFTA_NAT_REG_ADDR_MAX,
1455 NFTA_NAT_REG_PROTO_MIN,
1456 NFTA_NAT_REG_PROTO_MAX,
1460 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)
1463 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
1465 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
1466 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
1467 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
1469 enum nft_tproxy_attributes {
1472 NFTA_TPROXY_REG_ADDR,
1473 NFTA_TPROXY_REG_PORT,
1476 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1)
1479 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1481 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1482 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1483 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1485 enum nft_masq_attributes {
1488 NFTA_MASQ_REG_PROTO_MIN,
1489 NFTA_MASQ_REG_PROTO_MAX,
1492 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)
1495 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1497 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1498 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1499 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1501 enum nft_redir_attributes {
1503 NFTA_REDIR_REG_PROTO_MIN,
1504 NFTA_REDIR_REG_PROTO_MAX,
1508 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
1511 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1513 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1514 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1516 enum nft_dup_attributes {
1522 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
1525 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1527 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1528 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1529 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1531 enum nft_fwd_attributes {
1538 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
1541 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1543 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1544 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1545 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1546 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1547 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1549 enum nft_objref_attributes {
1551 NFTA_OBJREF_IMM_TYPE,
1552 NFTA_OBJREF_IMM_NAME,
1553 NFTA_OBJREF_SET_SREG,
1554 NFTA_OBJREF_SET_NAME,
1558 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
1561 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1563 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1565 enum nft_gen_attributes {
1572 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)
1575 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1577 * @NFTA_FIB_DREG: destination register (NLA_U32)
1578 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1579 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1581 * The FIB expression performs a route lookup according
1582 * to the packet data.
1584 enum nft_fib_attributes {
1591 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1593 enum nft_fib_result {
1594 NFT_FIB_RESULT_UNSPEC,
1596 NFT_FIB_RESULT_OIFNAME,
1597 NFT_FIB_RESULT_ADDRTYPE,
1598 __NFT_FIB_RESULT_MAX
1600 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)
1602 enum nft_fib_flags {
1603 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */
1604 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */
1605 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */
1606 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */
1607 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */
1608 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */
1611 enum nft_ct_helper_attributes {
1612 NFTA_CT_HELPER_UNSPEC,
1613 NFTA_CT_HELPER_NAME,
1614 NFTA_CT_HELPER_L3PROTO,
1615 NFTA_CT_HELPER_L4PROTO,
1616 __NFTA_CT_HELPER_MAX,
1618 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)
1620 enum nft_ct_timeout_timeout_attributes {
1621 NFTA_CT_TIMEOUT_UNSPEC,
1622 NFTA_CT_TIMEOUT_L3PROTO,
1623 NFTA_CT_TIMEOUT_L4PROTO,
1624 NFTA_CT_TIMEOUT_DATA,
1625 __NFTA_CT_TIMEOUT_MAX,
1627 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1)
1629 enum nft_ct_expectation_attributes {
1630 NFTA_CT_EXPECT_UNSPEC,
1631 NFTA_CT_EXPECT_L3PROTO,
1632 NFTA_CT_EXPECT_L4PROTO,
1633 NFTA_CT_EXPECT_DPORT,
1634 NFTA_CT_EXPECT_TIMEOUT,
1635 NFTA_CT_EXPECT_SIZE,
1636 __NFTA_CT_EXPECT_MAX,
1638 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1)
1640 #define NFT_OBJECT_UNSPEC 0
1641 #define NFT_OBJECT_COUNTER 1
1642 #define NFT_OBJECT_QUOTA 2
1643 #define NFT_OBJECT_CT_HELPER 3
1644 #define NFT_OBJECT_LIMIT 4
1645 #define NFT_OBJECT_CONNLIMIT 5
1646 #define NFT_OBJECT_TUNNEL 6
1647 #define NFT_OBJECT_CT_TIMEOUT 7
1648 #define NFT_OBJECT_SECMARK 8
1649 #define NFT_OBJECT_CT_EXPECT 9
1650 #define NFT_OBJECT_SYNPROXY 10
1651 #define __NFT_OBJECT_MAX 11
1652 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)
1655 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1657 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1658 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1659 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1660 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1661 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1662 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1663 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY)
1665 enum nft_object_attributes {
1677 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)
1680 * enum nft_flowtable_flags - nf_tables flowtable flags
1682 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled
1683 * @NFT_FLOWTABLE_COUNTER: enable flow counters
1685 enum nft_flowtable_flags {
1686 NFT_FLOWTABLE_HW_OFFLOAD = 0x1,
1687 NFT_FLOWTABLE_COUNTER = 0x2,
1688 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD |
1689 NFT_FLOWTABLE_COUNTER)
1693 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1695 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1696 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1697 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)
1698 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1699 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1700 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32)
1702 enum nft_flowtable_attributes {
1703 NFTA_FLOWTABLE_UNSPEC,
1704 NFTA_FLOWTABLE_TABLE,
1705 NFTA_FLOWTABLE_NAME,
1706 NFTA_FLOWTABLE_HOOK,
1708 NFTA_FLOWTABLE_HANDLE,
1710 NFTA_FLOWTABLE_FLAGS,
1711 __NFTA_FLOWTABLE_MAX
1713 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)
1716 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1718 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1719 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1720 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1722 enum nft_flowtable_hook_attributes {
1723 NFTA_FLOWTABLE_HOOK_UNSPEC,
1724 NFTA_FLOWTABLE_HOOK_NUM,
1725 NFTA_FLOWTABLE_HOOK_PRIORITY,
1726 NFTA_FLOWTABLE_HOOK_DEVS,
1727 __NFTA_FLOWTABLE_HOOK_MAX
1729 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)
1732 * enum nft_osf_attributes - nftables osf expression netlink attributes
1734 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers)
1735 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8)
1736 * @NFTA_OSF_FLAGS: flags (NLA_U32)
1738 enum nft_osf_attributes {
1745 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)
1747 enum nft_osf_flags {
1748 NFT_OSF_F_VERSION = (1 << 0),
1752 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes
1754 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16)
1755 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8)
1756 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32)
1758 enum nft_synproxy_attributes {
1759 NFTA_SYNPROXY_UNSPEC,
1761 NFTA_SYNPROXY_WSCALE,
1762 NFTA_SYNPROXY_FLAGS,
1763 __NFTA_SYNPROXY_MAX,
1765 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1)
1768 * enum nft_device_attributes - nf_tables device netlink attributes
1770 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1772 enum nft_devices_attributes {
1777 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
1780 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
1782 * @NFTA_XFRM_DREG: destination register (NLA_U32)
1783 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
1784 * @NFTA_XFRM_DIR: direction (NLA_U8)
1785 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
1787 enum nft_xfrm_attributes {
1795 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)
1797 enum nft_xfrm_keys {
1798 NFT_XFRM_KEY_UNSPEC,
1799 NFT_XFRM_KEY_DADDR_IP4,
1800 NFT_XFRM_KEY_DADDR_IP6,
1801 NFT_XFRM_KEY_SADDR_IP4,
1802 NFT_XFRM_KEY_SADDR_IP6,
1807 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)
1810 * enum nft_trace_attributes - nf_tables trace netlink attributes
1812 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1813 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1814 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1815 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1816 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1817 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1818 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1819 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1820 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1821 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1822 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1823 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1824 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1825 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1826 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1827 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1829 enum nft_trace_attributes {
1833 NFTA_TRACE_RULE_HANDLE,
1837 NFTA_TRACE_LL_HEADER,
1838 NFTA_TRACE_NETWORK_HEADER,
1839 NFTA_TRACE_TRANSPORT_HEADER,
1850 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1852 enum nft_trace_types {
1853 NFT_TRACETYPE_UNSPEC,
1854 NFT_TRACETYPE_POLICY,
1855 NFT_TRACETYPE_RETURN,
1859 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1862 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1864 * @NFTA_NG_DREG: destination register (NLA_U32)
1865 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1866 * @NFTA_NG_TYPE: operation type (NLA_U32)
1867 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1868 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1869 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1871 enum nft_ng_attributes {
1877 NFTA_NG_SET_NAME, /* deprecated */
1878 NFTA_NG_SET_ID, /* deprecated */
1881 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1)
1888 #define NFT_NG_MAX (__NFT_NG_MAX - 1)
1890 enum nft_tunnel_key_ip_attributes {
1891 NFTA_TUNNEL_KEY_IP_UNSPEC,
1892 NFTA_TUNNEL_KEY_IP_SRC,
1893 NFTA_TUNNEL_KEY_IP_DST,
1894 __NFTA_TUNNEL_KEY_IP_MAX
1896 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1)
1898 enum nft_tunnel_ip6_attributes {
1899 NFTA_TUNNEL_KEY_IP6_UNSPEC,
1900 NFTA_TUNNEL_KEY_IP6_SRC,
1901 NFTA_TUNNEL_KEY_IP6_DST,
1902 NFTA_TUNNEL_KEY_IP6_FLOWLABEL,
1903 __NFTA_TUNNEL_KEY_IP6_MAX
1905 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1)
1907 enum nft_tunnel_opts_attributes {
1908 NFTA_TUNNEL_KEY_OPTS_UNSPEC,
1909 NFTA_TUNNEL_KEY_OPTS_VXLAN,
1910 NFTA_TUNNEL_KEY_OPTS_ERSPAN,
1911 NFTA_TUNNEL_KEY_OPTS_GENEVE,
1912 __NFTA_TUNNEL_KEY_OPTS_MAX
1914 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1)
1916 enum nft_tunnel_opts_vxlan_attributes {
1917 NFTA_TUNNEL_KEY_VXLAN_UNSPEC,
1918 NFTA_TUNNEL_KEY_VXLAN_GBP,
1919 __NFTA_TUNNEL_KEY_VXLAN_MAX
1921 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)
1923 enum nft_tunnel_opts_erspan_attributes {
1924 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,
1925 NFTA_TUNNEL_KEY_ERSPAN_VERSION,
1926 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,
1927 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,
1928 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,
1929 __NFTA_TUNNEL_KEY_ERSPAN_MAX
1931 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)
1933 enum nft_tunnel_opts_geneve_attributes {
1934 NFTA_TUNNEL_KEY_GENEVE_UNSPEC,
1935 NFTA_TUNNEL_KEY_GENEVE_CLASS,
1936 NFTA_TUNNEL_KEY_GENEVE_TYPE,
1937 NFTA_TUNNEL_KEY_GENEVE_DATA,
1938 __NFTA_TUNNEL_KEY_GENEVE_MAX
1940 #define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1)
1942 enum nft_tunnel_flags {
1943 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0),
1944 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1),
1945 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2),
1947 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \
1948 NFT_TUNNEL_F_DONT_FRAGMENT | \
1949 NFT_TUNNEL_F_SEQ_NUMBER)
1951 enum nft_tunnel_key_attributes {
1952 NFTA_TUNNEL_KEY_UNSPEC,
1955 NFTA_TUNNEL_KEY_IP6,
1956 NFTA_TUNNEL_KEY_FLAGS,
1957 NFTA_TUNNEL_KEY_TOS,
1958 NFTA_TUNNEL_KEY_TTL,
1959 NFTA_TUNNEL_KEY_SPORT,
1960 NFTA_TUNNEL_KEY_DPORT,
1961 NFTA_TUNNEL_KEY_OPTS,
1962 __NFTA_TUNNEL_KEY_MAX
1964 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)
1966 enum nft_tunnel_keys {
1971 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)
1973 enum nft_tunnel_mode {
1974 NFT_TUNNEL_MODE_NONE,
1977 __NFT_TUNNEL_MODE_MAX
1979 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1)
1981 enum nft_tunnel_attributes {
1988 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)
1990 #endif /* _LINUX_NF_TABLES_H */