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
53 * enum nft_verdicts - nf_tables internal verdicts
55 * @NFT_CONTINUE: continue evaluation of the current rule
56 * @NFT_BREAK: terminate evaluation of the current rule
57 * @NFT_JUMP: push the current chain on the jump stack and jump to a chain
58 * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack
59 * @NFT_RETURN: return to the topmost chain on the jump stack
61 * The nf_tables verdicts share their numeric space with the netfilter verdicts.
72 * enum nf_tables_msg_types - nf_tables netlink message types
74 * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes)
75 * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes)
76 * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes)
77 * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes)
78 * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes)
79 * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes)
80 * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes)
81 * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes)
82 * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes)
83 * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes)
84 * @NFT_MSG_GETSET: get a set (enum nft_set_attributes)
85 * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes)
86 * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes)
87 * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes)
88 * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes)
89 * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes)
90 * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes)
91 * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes)
92 * @NFT_MSG_NEWOBJ: create a stateful object (enum nft_obj_attributes)
93 * @NFT_MSG_GETOBJ: get a stateful object (enum nft_obj_attributes)
94 * @NFT_MSG_DELOBJ: delete a stateful object (enum nft_obj_attributes)
95 * @NFT_MSG_GETOBJ_RESET: get and reset a stateful object (enum nft_obj_attributes)
96 * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes)
97 * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes)
98 * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes)
100 enum nf_tables_msg_types {
122 NFT_MSG_GETOBJ_RESET,
123 NFT_MSG_NEWFLOWTABLE,
124 NFT_MSG_GETFLOWTABLE,
125 NFT_MSG_DELFLOWTABLE,
130 * enum nft_list_attributes - nf_tables generic list netlink attributes
132 * @NFTA_LIST_ELEM: list element (NLA_NESTED)
134 enum nft_list_attributes {
139 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1)
142 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes
144 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32)
145 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
146 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING)
148 enum nft_hook_attributes {
155 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1)
158 * enum nft_table_flags - nf_tables table flags
160 * @NFT_TABLE_F_DORMANT: this table is not active
162 enum nft_table_flags {
163 NFT_TABLE_F_DORMANT = 0x1,
167 * enum nft_table_attributes - nf_tables table netlink attributes
169 * @NFTA_TABLE_NAME: name of the table (NLA_STRING)
170 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)
171 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)
173 enum nft_table_attributes {
182 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)
185 * enum nft_chain_attributes - nf_tables chain netlink attributes
187 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING)
188 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64)
189 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING)
190 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes)
191 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32)
192 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32)
193 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING)
194 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes)
196 enum nft_chain_attributes {
209 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1)
212 * enum nft_rule_attributes - nf_tables rule netlink attributes
214 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)
215 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)
216 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)
217 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
218 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
219 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
220 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
221 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)
223 enum nft_rule_attributes {
228 NFTA_RULE_EXPRESSIONS,
236 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1)
239 * enum nft_rule_compat_flags - nf_tables rule compat flags
241 * @NFT_RULE_COMPAT_F_INV: invert the check result
243 enum nft_rule_compat_flags {
244 NFT_RULE_COMPAT_F_INV = (1 << 1),
245 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,
249 * enum nft_rule_compat_attributes - nf_tables rule compat attributes
251 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)
252 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)
254 enum nft_rule_compat_attributes {
255 NFTA_RULE_COMPAT_UNSPEC,
256 NFTA_RULE_COMPAT_PROTO,
257 NFTA_RULE_COMPAT_FLAGS,
258 __NFTA_RULE_COMPAT_MAX
260 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1)
263 * enum nft_set_flags - nf_tables set flags
265 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink
266 * @NFT_SET_CONSTANT: set contents may not change while bound
267 * @NFT_SET_INTERVAL: set contains intervals
268 * @NFT_SET_MAP: set is used as a dictionary
269 * @NFT_SET_TIMEOUT: set uses timeouts
270 * @NFT_SET_EVAL: set can be updated from the evaluation path
271 * @NFT_SET_OBJECT: set contains stateful objects
274 NFT_SET_ANONYMOUS = 0x1,
275 NFT_SET_CONSTANT = 0x2,
276 NFT_SET_INTERVAL = 0x4,
278 NFT_SET_TIMEOUT = 0x10,
280 NFT_SET_OBJECT = 0x40,
284 * enum nft_set_policies - set selection policy
286 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use
287 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance
289 enum nft_set_policies {
290 NFT_SET_POL_PERFORMANCE,
295 * enum nft_set_desc_attributes - set element description
297 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)
299 enum nft_set_desc_attributes {
300 NFTA_SET_DESC_UNSPEC,
304 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1)
307 * enum nft_set_attributes - nf_tables set netlink attributes
309 * @NFTA_SET_TABLE: table name (NLA_STRING)
310 * @NFTA_SET_NAME: set name (NLA_STRING)
311 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)
312 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)
313 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)
314 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)
315 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)
316 * @NFTA_SET_POLICY: selection policy (NLA_U32)
317 * @NFTA_SET_DESC: set description (NLA_NESTED)
318 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
319 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)
320 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)
321 * @NFTA_SET_USERDATA: user data (NLA_BINARY)
322 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)
323 * @NFTA_SET_HANDLE: set handle (NLA_U64)
325 enum nft_set_attributes {
338 NFTA_SET_GC_INTERVAL,
345 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1)
348 * enum nft_set_elem_flags - nf_tables set element flags
350 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
352 enum nft_set_elem_flags {
353 NFT_SET_ELEM_INTERVAL_END = 0x1,
357 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
359 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
360 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
361 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
362 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)
363 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
364 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
365 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
366 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
368 enum nft_set_elem_attributes {
369 NFTA_SET_ELEM_UNSPEC,
373 NFTA_SET_ELEM_TIMEOUT,
374 NFTA_SET_ELEM_EXPIRATION,
375 NFTA_SET_ELEM_USERDATA,
378 NFTA_SET_ELEM_OBJREF,
381 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)
384 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
386 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
387 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
388 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
389 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
391 enum nft_set_elem_list_attributes {
392 NFTA_SET_ELEM_LIST_UNSPEC,
393 NFTA_SET_ELEM_LIST_TABLE,
394 NFTA_SET_ELEM_LIST_SET,
395 NFTA_SET_ELEM_LIST_ELEMENTS,
396 NFTA_SET_ELEM_LIST_SET_ID,
397 __NFTA_SET_ELEM_LIST_MAX
399 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)
402 * enum nft_data_types - nf_tables data types
404 * @NFT_DATA_VALUE: generic data
405 * @NFT_DATA_VERDICT: netfilter verdict
407 * The type of data is usually determined by the kernel directly and is not
408 * explicitly specified by userspace. The only difference are sets, where
409 * userspace specifies the key and mapping data types.
411 * The values 0xffffff00-0xffffffff are reserved for internally used types.
412 * The remaining range can be freely used by userspace to encode types, all
413 * values are equivalent to NFT_DATA_VALUE.
415 enum nft_data_types {
417 NFT_DATA_VERDICT = 0xffffff00U,
420 #define NFT_DATA_RESERVED_MASK 0xffffff00U
423 * enum nft_data_attributes - nf_tables data netlink attributes
425 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
426 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
428 enum nft_data_attributes {
434 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)
436 /* Maximum length of a value */
437 #define NFT_DATA_VALUE_MAXLEN 64
440 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
442 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
443 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
445 enum nft_verdict_attributes {
451 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)
454 * enum nft_expr_attributes - nf_tables expression netlink attributes
456 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
457 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
459 enum nft_expr_attributes {
465 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)
468 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
470 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
471 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
473 enum nft_immediate_attributes {
474 NFTA_IMMEDIATE_UNSPEC,
479 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)
482 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
484 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
485 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
486 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
487 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
488 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
490 * The bitwise expression performs the following operation:
492 * dreg = (sreg & mask) ^ xor
494 * which allow to express all bitwise operations:
502 enum nft_bitwise_attributes {
511 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)
514 * enum nft_byteorder_ops - nf_tables byteorder operators
516 * @NFT_BYTEORDER_NTOH: network to host operator
517 * @NFT_BYTEORDER_HTON: host to network operator
519 enum nft_byteorder_ops {
525 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
527 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
528 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
529 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
530 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
531 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
533 enum nft_byteorder_attributes {
534 NFTA_BYTEORDER_UNSPEC,
542 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)
545 * enum nft_cmp_ops - nf_tables relational operator
548 * @NFT_CMP_NEQ: not equal
549 * @NFT_CMP_LT: less than
550 * @NFT_CMP_LTE: less than or equal to
551 * @NFT_CMP_GT: greater than
552 * @NFT_CMP_GTE: greater than or equal to
564 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
566 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
567 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
568 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
570 enum nft_cmp_attributes {
577 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)
580 * enum nft_range_ops - nf_tables range operator
582 * @NFT_RANGE_EQ: equal
583 * @NFT_RANGE_NEQ: not equal
591 * enum nft_range_attributes - nf_tables range expression netlink attributes
593 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
594 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops)
595 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
596 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
598 enum nft_range_attributes {
602 NFTA_RANGE_FROM_DATA,
606 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)
608 enum nft_lookup_flags {
609 NFT_LOOKUP_F_INV = (1 << 0),
613 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
615 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
616 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
617 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
618 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
619 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
621 enum nft_lookup_attributes {
630 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)
632 enum nft_dynset_ops {
634 NFT_DYNSET_OP_UPDATE,
637 enum nft_dynset_flags {
638 NFT_DYNSET_F_INV = (1 << 0),
642 * enum nft_dynset_attributes - dynset expression attributes
644 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
645 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
646 * @NFTA_DYNSET_OP: operation (NLA_U32)
647 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
648 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
649 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
650 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
651 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
653 enum nft_dynset_attributes {
655 NFTA_DYNSET_SET_NAME,
658 NFTA_DYNSET_SREG_KEY,
659 NFTA_DYNSET_SREG_DATA,
666 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)
669 * enum nft_payload_bases - nf_tables payload expression offset bases
671 * @NFT_PAYLOAD_LL_HEADER: link layer header
672 * @NFT_PAYLOAD_NETWORK_HEADER: network header
673 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
675 enum nft_payload_bases {
676 NFT_PAYLOAD_LL_HEADER,
677 NFT_PAYLOAD_NETWORK_HEADER,
678 NFT_PAYLOAD_TRANSPORT_HEADER,
682 * enum nft_payload_csum_types - nf_tables payload expression checksum types
684 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
685 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
687 enum nft_payload_csum_types {
688 NFT_PAYLOAD_CSUM_NONE,
689 NFT_PAYLOAD_CSUM_INET,
692 enum nft_payload_csum_flags {
693 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
697 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
699 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
700 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
701 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
702 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
703 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
704 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
705 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
706 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
708 enum nft_payload_attributes {
715 NFTA_PAYLOAD_CSUM_TYPE,
716 NFTA_PAYLOAD_CSUM_OFFSET,
717 NFTA_PAYLOAD_CSUM_FLAGS,
720 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)
722 enum nft_exthdr_flags {
723 NFT_EXTHDR_F_PRESENT = (1 << 0),
727 * enum nft_exthdr_op - nf_tables match options
729 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
730 * @NFT_EXTHDR_OP_TCP: match against tcp options
734 NFT_EXTHDR_OP_TCPOPT,
737 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)
740 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
742 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
743 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
744 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
745 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
746 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
747 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
748 * @NFTA_EXTHDR_SREG: option match type (NLA_U32)
750 enum nft_exthdr_attributes {
761 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)
764 * enum nft_meta_keys - nf_tables meta expression keys
766 * @NFT_META_LEN: packet length (skb->len)
767 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
768 * @NFT_META_PRIORITY: packet priority (skb->priority)
769 * @NFT_META_MARK: packet mark (skb->mark)
770 * @NFT_META_IIF: packet input interface index (dev->ifindex)
771 * @NFT_META_OIF: packet output interface index (dev->ifindex)
772 * @NFT_META_IIFNAME: packet input interface name (dev->name)
773 * @NFT_META_OIFNAME: packet output interface name (dev->name)
774 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
775 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
776 * @NFT_META_SKUID: originating socket UID (fsuid)
777 * @NFT_META_SKGID: originating socket GID (fsgid)
778 * @NFT_META_NFTRACE: packet nftrace bit
779 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
780 * @NFT_META_SECMARK: packet secmark (skb->secmark)
781 * @NFT_META_NFPROTO: netfilter protocol
782 * @NFT_META_L4PROTO: layer 4 protocol number
783 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
784 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
785 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
786 * @NFT_META_CPU: cpu id through smp_processor_id()
787 * @NFT_META_IIFGROUP: packet input interface group
788 * @NFT_META_OIFGROUP: packet output interface group
789 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
790 * @NFT_META_PRANDOM: a 32bit pseudo-random number
791 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
811 NFT_META_BRI_IIFNAME,
812 NFT_META_BRI_OIFNAME,
823 * enum nft_rt_keys - nf_tables routing expression keys
825 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
826 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
827 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
828 * @NFT_RT_TCPMSS: fetch current path tcp mss
837 #define NFT_RT_MAX (__NFT_RT_MAX - 1)
840 * enum nft_hash_types - nf_tables hash expression types
842 * @NFT_HASH_JENKINS: Jenkins Hash
843 * @NFT_HASH_SYM: Symmetric Hash
845 enum nft_hash_types {
851 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
853 * @NFTA_HASH_SREG: source register (NLA_U32)
854 * @NFTA_HASH_DREG: destination register (NLA_U32)
855 * @NFTA_HASH_LEN: source data length (NLA_U32)
856 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
857 * @NFTA_HASH_SEED: seed value (NLA_U32)
858 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
859 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
860 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
861 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
863 enum nft_hash_attributes {
876 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)
879 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
881 * @NFTA_META_DREG: destination register (NLA_U32)
882 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
883 * @NFTA_META_SREG: source register (NLA_U32)
885 enum nft_meta_attributes {
892 #define NFTA_META_MAX (__NFTA_META_MAX - 1)
895 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
897 * @NFTA_RT_DREG: destination register (NLA_U32)
898 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
900 enum nft_rt_attributes {
906 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1)
909 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
911 * @NFTA_SOCKET_KEY: socket key to match
912 * @NFTA_SOCKET_DREG: destination register
914 enum nft_socket_attributes {
920 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)
923 * enum nft_socket_keys - nf_tables socket expression keys
925 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option
926 * @NFT_SOCKET_MARK: Value of the socket mark
928 enum nft_socket_keys {
929 NFT_SOCKET_TRANSPARENT,
933 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)
936 * enum nft_ct_keys - nf_tables ct expression keys
938 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
939 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
940 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
941 * @NFT_CT_MARK: conntrack mark value
942 * @NFT_CT_SECMARK: conntrack secmark value
943 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
944 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
945 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
946 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
947 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
948 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
949 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
950 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
951 * @NFT_CT_LABELS: conntrack labels
952 * @NFT_CT_PKTS: conntrack packets
953 * @NFT_CT_BYTES: conntrack bytes
954 * @NFT_CT_AVGPKT: conntrack average bytes per packet
955 * @NFT_CT_ZONE: conntrack zone
956 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
957 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
958 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
959 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
960 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
961 * @NFT_CT_TIMEOUT: connection tracking timeout policy assigned to conntrack
990 #define NFT_CT_MAX (__NFT_CT_MAX - 1)
993 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
995 * @NFTA_CT_DREG: destination register (NLA_U32)
996 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
997 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
998 * @NFTA_CT_SREG: source register (NLA_U32)
1000 enum nft_ct_attributes {
1008 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
1011 * enum nft_flow_attributes - ct offload expression attributes
1012 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1014 enum nft_offload_attributes {
1016 NFTA_FLOW_TABLE_NAME,
1019 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)
1021 enum nft_limit_type {
1026 enum nft_limit_flags {
1027 NFT_LIMIT_F_INV = (1 << 0),
1031 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1033 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1034 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1035 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1036 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1037 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1039 enum nft_limit_attributes {
1049 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
1051 enum nft_connlimit_flags {
1052 NFT_CONNLIMIT_F_INV = (1 << 0),
1056 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1058 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1059 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1061 enum nft_connlimit_attributes {
1062 NFTA_CONNLIMIT_UNSPEC,
1063 NFTA_CONNLIMIT_COUNT,
1064 NFTA_CONNLIMIT_FLAGS,
1065 __NFTA_CONNLIMIT_MAX
1067 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)
1070 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1072 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1073 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1075 enum nft_counter_attributes {
1076 NFTA_COUNTER_UNSPEC,
1078 NFTA_COUNTER_PACKETS,
1082 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)
1085 * enum nft_log_attributes - nf_tables log expression netlink attributes
1087 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32)
1088 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1089 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1090 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32)
1091 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1092 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1094 enum nft_log_attributes {
1099 NFTA_LOG_QTHRESHOLD,
1104 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)
1107 * enum nft_log_level - nf_tables log levels
1109 * @NFT_LOGLEVEL_EMERG: system is unusable
1110 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
1111 * @NFT_LOGLEVEL_CRIT: critical conditions
1112 * @NFT_LOGLEVEL_ERR: error conditions
1113 * @NFT_LOGLEVEL_WARNING: warning conditions
1114 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
1115 * @NFT_LOGLEVEL_INFO: informational
1116 * @NFT_LOGLEVEL_DEBUG: debug-level messages
1117 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
1119 enum nft_log_level {
1124 NFT_LOGLEVEL_WARNING,
1125 NFT_LOGLEVEL_NOTICE,
1131 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1)
1134 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1136 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1137 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1138 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1139 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1141 enum nft_queue_attributes {
1146 NFTA_QUEUE_SREG_QNUM,
1149 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)
1151 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */
1152 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */
1153 #define NFT_QUEUE_FLAG_MASK 0x03
1155 enum nft_quota_flags {
1156 NFT_QUOTA_F_INV = (1 << 0),
1157 NFT_QUOTA_F_DEPLETED = (1 << 1),
1161 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1163 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1164 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1165 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1167 enum nft_quota_attributes {
1172 NFTA_QUOTA_CONSUMED,
1175 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)
1178 * enum nft_reject_types - nf_tables reject expression reject types
1180 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1181 * @NFT_REJECT_TCP_RST: reject using TCP RST
1182 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1184 enum nft_reject_types {
1185 NFT_REJECT_ICMP_UNREACH,
1187 NFT_REJECT_ICMPX_UNREACH,
1191 * enum nft_reject_code - Generic reject codes for IPv4/IPv6
1193 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1194 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1195 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1196 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1198 * These codes are mapped to real ICMP and ICMPv6 codes.
1200 enum nft_reject_inet_code {
1201 NFT_REJECT_ICMPX_NO_ROUTE = 0,
1202 NFT_REJECT_ICMPX_PORT_UNREACH,
1203 NFT_REJECT_ICMPX_HOST_UNREACH,
1204 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1205 __NFT_REJECT_ICMPX_MAX
1207 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)
1210 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1212 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1213 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1215 enum nft_reject_attributes {
1218 NFTA_REJECT_ICMP_CODE,
1221 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)
1224 * enum nft_nat_types - nf_tables nat expression NAT types
1226 * @NFT_NAT_SNAT: source NAT
1227 * @NFT_NAT_DNAT: destination NAT
1229 enum nft_nat_types {
1235 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1237 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1238 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1239 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1240 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1241 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1242 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1243 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1245 enum nft_nat_attributes {
1249 NFTA_NAT_REG_ADDR_MIN,
1250 NFTA_NAT_REG_ADDR_MAX,
1251 NFTA_NAT_REG_PROTO_MIN,
1252 NFTA_NAT_REG_PROTO_MAX,
1256 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)
1259 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
1261 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
1262 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
1263 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
1265 enum nft_tproxy_attributes {
1268 NFTA_TPROXY_REG_ADDR,
1269 NFTA_TPROXY_REG_PORT,
1272 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1)
1275 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1277 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1278 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1279 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1281 enum nft_masq_attributes {
1284 NFTA_MASQ_REG_PROTO_MIN,
1285 NFTA_MASQ_REG_PROTO_MAX,
1288 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)
1291 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1293 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1294 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1295 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1297 enum nft_redir_attributes {
1299 NFTA_REDIR_REG_PROTO_MIN,
1300 NFTA_REDIR_REG_PROTO_MAX,
1304 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
1307 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1309 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1310 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1312 enum nft_dup_attributes {
1318 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
1321 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1323 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1324 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1325 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1327 enum nft_fwd_attributes {
1334 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
1337 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1339 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1340 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1341 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1342 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1343 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1345 enum nft_objref_attributes {
1347 NFTA_OBJREF_IMM_TYPE,
1348 NFTA_OBJREF_IMM_NAME,
1349 NFTA_OBJREF_SET_SREG,
1350 NFTA_OBJREF_SET_NAME,
1354 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
1357 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1359 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1361 enum nft_gen_attributes {
1368 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)
1371 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1373 * @NFTA_FIB_DREG: destination register (NLA_U32)
1374 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1375 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1377 * The FIB expression performs a route lookup according
1378 * to the packet data.
1380 enum nft_fib_attributes {
1387 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1389 enum nft_fib_result {
1390 NFT_FIB_RESULT_UNSPEC,
1392 NFT_FIB_RESULT_OIFNAME,
1393 NFT_FIB_RESULT_ADDRTYPE,
1394 __NFT_FIB_RESULT_MAX
1396 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)
1398 enum nft_fib_flags {
1399 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */
1400 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */
1401 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */
1402 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */
1403 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */
1404 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */
1407 enum nft_ct_helper_attributes {
1408 NFTA_CT_HELPER_UNSPEC,
1409 NFTA_CT_HELPER_NAME,
1410 NFTA_CT_HELPER_L3PROTO,
1411 NFTA_CT_HELPER_L4PROTO,
1412 __NFTA_CT_HELPER_MAX,
1414 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)
1416 enum nft_ct_timeout_timeout_attributes {
1417 NFTA_CT_TIMEOUT_UNSPEC,
1418 NFTA_CT_TIMEOUT_L3PROTO,
1419 NFTA_CT_TIMEOUT_L4PROTO,
1420 NFTA_CT_TIMEOUT_DATA,
1421 __NFTA_CT_TIMEOUT_MAX,
1423 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1)
1425 #define NFT_OBJECT_UNSPEC 0
1426 #define NFT_OBJECT_COUNTER 1
1427 #define NFT_OBJECT_QUOTA 2
1428 #define NFT_OBJECT_CT_HELPER 3
1429 #define NFT_OBJECT_LIMIT 4
1430 #define NFT_OBJECT_CONNLIMIT 5
1431 #define NFT_OBJECT_TUNNEL 6
1432 #define NFT_OBJECT_CT_TIMEOUT 7
1433 #define __NFT_OBJECT_MAX 8
1434 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)
1437 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1439 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1440 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1441 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1442 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1443 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1444 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1446 enum nft_object_attributes {
1457 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)
1460 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1462 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1463 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1464 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)
1465 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1466 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1468 enum nft_flowtable_attributes {
1469 NFTA_FLOWTABLE_UNSPEC,
1470 NFTA_FLOWTABLE_TABLE,
1471 NFTA_FLOWTABLE_NAME,
1472 NFTA_FLOWTABLE_HOOK,
1474 NFTA_FLOWTABLE_HANDLE,
1476 __NFTA_FLOWTABLE_MAX
1478 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)
1481 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1483 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1484 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1485 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1487 enum nft_flowtable_hook_attributes {
1488 NFTA_FLOWTABLE_HOOK_UNSPEC,
1489 NFTA_FLOWTABLE_HOOK_NUM,
1490 NFTA_FLOWTABLE_HOOK_PRIORITY,
1491 NFTA_FLOWTABLE_HOOK_DEVS,
1492 __NFTA_FLOWTABLE_HOOK_MAX
1494 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)
1496 enum nft_osf_attributes {
1501 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)
1504 * enum nft_device_attributes - nf_tables device netlink attributes
1506 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1508 enum nft_devices_attributes {
1513 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
1517 * enum nft_trace_attributes - nf_tables trace netlink attributes
1519 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1520 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1521 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1522 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1523 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1524 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1525 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1526 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1527 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1528 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1529 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1530 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1531 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1532 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1533 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1534 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1536 enum nft_trace_attributes {
1540 NFTA_TRACE_RULE_HANDLE,
1544 NFTA_TRACE_LL_HEADER,
1545 NFTA_TRACE_NETWORK_HEADER,
1546 NFTA_TRACE_TRANSPORT_HEADER,
1557 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1559 enum nft_trace_types {
1560 NFT_TRACETYPE_UNSPEC,
1561 NFT_TRACETYPE_POLICY,
1562 NFT_TRACETYPE_RETURN,
1566 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1569 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1571 * @NFTA_NG_DREG: destination register (NLA_U32)
1572 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1573 * @NFTA_NG_TYPE: operation type (NLA_U32)
1574 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1575 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1576 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1578 enum nft_ng_attributes {
1584 NFTA_NG_SET_NAME, /* deprecated */
1585 NFTA_NG_SET_ID, /* deprecated */
1588 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1)
1595 #define NFT_NG_MAX (__NFT_NG_MAX - 1)
1597 enum nft_tunnel_key_ip_attributes {
1598 NFTA_TUNNEL_KEY_IP_UNSPEC,
1599 NFTA_TUNNEL_KEY_IP_SRC,
1600 NFTA_TUNNEL_KEY_IP_DST,
1601 __NFTA_TUNNEL_KEY_IP_MAX
1603 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1)
1605 enum nft_tunnel_ip6_attributes {
1606 NFTA_TUNNEL_KEY_IP6_UNSPEC,
1607 NFTA_TUNNEL_KEY_IP6_SRC,
1608 NFTA_TUNNEL_KEY_IP6_DST,
1609 NFTA_TUNNEL_KEY_IP6_FLOWLABEL,
1610 __NFTA_TUNNEL_KEY_IP6_MAX
1612 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1)
1614 enum nft_tunnel_opts_attributes {
1615 NFTA_TUNNEL_KEY_OPTS_UNSPEC,
1616 NFTA_TUNNEL_KEY_OPTS_VXLAN,
1617 NFTA_TUNNEL_KEY_OPTS_ERSPAN,
1618 __NFTA_TUNNEL_KEY_OPTS_MAX
1620 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1)
1622 enum nft_tunnel_opts_vxlan_attributes {
1623 NFTA_TUNNEL_KEY_VXLAN_UNSPEC,
1624 NFTA_TUNNEL_KEY_VXLAN_GBP,
1625 __NFTA_TUNNEL_KEY_VXLAN_MAX
1627 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)
1629 enum nft_tunnel_opts_erspan_attributes {
1630 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,
1631 NFTA_TUNNEL_KEY_ERSPAN_VERSION,
1632 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,
1633 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,
1634 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,
1635 __NFTA_TUNNEL_KEY_ERSPAN_MAX
1637 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)
1639 enum nft_tunnel_flags {
1640 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0),
1641 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1),
1642 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2),
1644 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \
1645 NFT_TUNNEL_F_DONT_FRAGMENT | \
1646 NFT_TUNNEL_F_SEQ_NUMBER)
1648 enum nft_tunnel_key_attributes {
1649 NFTA_TUNNEL_KEY_UNSPEC,
1652 NFTA_TUNNEL_KEY_IP6,
1653 NFTA_TUNNEL_KEY_FLAGS,
1654 NFTA_TUNNEL_KEY_TOS,
1655 NFTA_TUNNEL_KEY_TTL,
1656 NFTA_TUNNEL_KEY_SPORT,
1657 NFTA_TUNNEL_KEY_DPORT,
1658 NFTA_TUNNEL_KEY_OPTS,
1659 __NFTA_TUNNEL_KEY_MAX
1661 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)
1663 enum nft_tunnel_keys {
1668 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)
1670 enum nft_tunnel_attributes {
1676 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)
1678 #endif /* _LINUX_NF_TABLES_H */