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)
147 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED)
149 enum nft_hook_attributes {
157 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1)
160 * enum nft_table_flags - nf_tables table flags
162 * @NFT_TABLE_F_DORMANT: this table is not active
164 enum nft_table_flags {
165 NFT_TABLE_F_DORMANT = 0x1,
169 * enum nft_table_attributes - nf_tables table netlink attributes
171 * @NFTA_TABLE_NAME: name of the table (NLA_STRING)
172 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)
173 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)
175 enum nft_table_attributes {
184 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)
187 * enum nft_chain_attributes - nf_tables chain netlink attributes
189 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING)
190 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64)
191 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING)
192 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes)
193 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32)
194 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32)
195 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING)
196 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes)
197 * @NFTA_CHAIN_FLAGS: chain flags
199 enum nft_chain_attributes {
213 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1)
216 * enum nft_rule_attributes - nf_tables rule netlink attributes
218 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)
219 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)
220 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)
221 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
222 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
223 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
224 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
225 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)
226 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32)
228 enum nft_rule_attributes {
233 NFTA_RULE_EXPRESSIONS,
239 NFTA_RULE_POSITION_ID,
242 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1)
245 * enum nft_rule_compat_flags - nf_tables rule compat flags
247 * @NFT_RULE_COMPAT_F_INV: invert the check result
249 enum nft_rule_compat_flags {
250 NFT_RULE_COMPAT_F_INV = (1 << 1),
251 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,
255 * enum nft_rule_compat_attributes - nf_tables rule compat attributes
257 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)
258 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)
260 enum nft_rule_compat_attributes {
261 NFTA_RULE_COMPAT_UNSPEC,
262 NFTA_RULE_COMPAT_PROTO,
263 NFTA_RULE_COMPAT_FLAGS,
264 __NFTA_RULE_COMPAT_MAX
266 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1)
269 * enum nft_set_flags - nf_tables set flags
271 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink
272 * @NFT_SET_CONSTANT: set contents may not change while bound
273 * @NFT_SET_INTERVAL: set contains intervals
274 * @NFT_SET_MAP: set is used as a dictionary
275 * @NFT_SET_TIMEOUT: set uses timeouts
276 * @NFT_SET_EVAL: set can be updated from the evaluation path
277 * @NFT_SET_OBJECT: set contains stateful objects
280 NFT_SET_ANONYMOUS = 0x1,
281 NFT_SET_CONSTANT = 0x2,
282 NFT_SET_INTERVAL = 0x4,
284 NFT_SET_TIMEOUT = 0x10,
286 NFT_SET_OBJECT = 0x40,
290 * enum nft_set_policies - set selection policy
292 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use
293 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance
295 enum nft_set_policies {
296 NFT_SET_POL_PERFORMANCE,
301 * enum nft_set_desc_attributes - set element description
303 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)
305 enum nft_set_desc_attributes {
306 NFTA_SET_DESC_UNSPEC,
310 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1)
313 * enum nft_set_attributes - nf_tables set netlink attributes
315 * @NFTA_SET_TABLE: table name (NLA_STRING)
316 * @NFTA_SET_NAME: set name (NLA_STRING)
317 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)
318 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)
319 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)
320 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)
321 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)
322 * @NFTA_SET_POLICY: selection policy (NLA_U32)
323 * @NFTA_SET_DESC: set description (NLA_NESTED)
324 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
325 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)
326 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)
327 * @NFTA_SET_USERDATA: user data (NLA_BINARY)
328 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)
329 * @NFTA_SET_HANDLE: set handle (NLA_U64)
331 enum nft_set_attributes {
344 NFTA_SET_GC_INTERVAL,
351 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1)
354 * enum nft_set_elem_flags - nf_tables set element flags
356 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
358 enum nft_set_elem_flags {
359 NFT_SET_ELEM_INTERVAL_END = 0x1,
363 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
365 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
366 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
367 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
368 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)
369 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
370 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
371 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
372 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
374 enum nft_set_elem_attributes {
375 NFTA_SET_ELEM_UNSPEC,
379 NFTA_SET_ELEM_TIMEOUT,
380 NFTA_SET_ELEM_EXPIRATION,
381 NFTA_SET_ELEM_USERDATA,
384 NFTA_SET_ELEM_OBJREF,
387 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)
390 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
392 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
393 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
394 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
395 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
397 enum nft_set_elem_list_attributes {
398 NFTA_SET_ELEM_LIST_UNSPEC,
399 NFTA_SET_ELEM_LIST_TABLE,
400 NFTA_SET_ELEM_LIST_SET,
401 NFTA_SET_ELEM_LIST_ELEMENTS,
402 NFTA_SET_ELEM_LIST_SET_ID,
403 __NFTA_SET_ELEM_LIST_MAX
405 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)
408 * enum nft_data_types - nf_tables data types
410 * @NFT_DATA_VALUE: generic data
411 * @NFT_DATA_VERDICT: netfilter verdict
413 * The type of data is usually determined by the kernel directly and is not
414 * explicitly specified by userspace. The only difference are sets, where
415 * userspace specifies the key and mapping data types.
417 * The values 0xffffff00-0xffffffff are reserved for internally used types.
418 * The remaining range can be freely used by userspace to encode types, all
419 * values are equivalent to NFT_DATA_VALUE.
421 enum nft_data_types {
423 NFT_DATA_VERDICT = 0xffffff00U,
426 #define NFT_DATA_RESERVED_MASK 0xffffff00U
429 * enum nft_data_attributes - nf_tables data netlink attributes
431 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
432 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
434 enum nft_data_attributes {
440 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)
442 /* Maximum length of a value */
443 #define NFT_DATA_VALUE_MAXLEN 64
446 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
448 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
449 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
451 enum nft_verdict_attributes {
457 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)
460 * enum nft_expr_attributes - nf_tables expression netlink attributes
462 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
463 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
465 enum nft_expr_attributes {
471 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)
474 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
476 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
477 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
479 enum nft_immediate_attributes {
480 NFTA_IMMEDIATE_UNSPEC,
485 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)
488 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
490 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
491 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
492 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
493 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
494 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
496 * The bitwise expression performs the following operation:
498 * dreg = (sreg & mask) ^ xor
500 * which allow to express all bitwise operations:
508 enum nft_bitwise_attributes {
517 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)
520 * enum nft_byteorder_ops - nf_tables byteorder operators
522 * @NFT_BYTEORDER_NTOH: network to host operator
523 * @NFT_BYTEORDER_HTON: host to network operator
525 enum nft_byteorder_ops {
531 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
533 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
534 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
535 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
536 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
537 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
539 enum nft_byteorder_attributes {
540 NFTA_BYTEORDER_UNSPEC,
548 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)
551 * enum nft_cmp_ops - nf_tables relational operator
554 * @NFT_CMP_NEQ: not equal
555 * @NFT_CMP_LT: less than
556 * @NFT_CMP_LTE: less than or equal to
557 * @NFT_CMP_GT: greater than
558 * @NFT_CMP_GTE: greater than or equal to
570 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
572 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
573 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
574 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
576 enum nft_cmp_attributes {
583 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)
586 * enum nft_range_ops - nf_tables range operator
588 * @NFT_RANGE_EQ: equal
589 * @NFT_RANGE_NEQ: not equal
597 * enum nft_range_attributes - nf_tables range expression netlink attributes
599 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
600 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops)
601 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
602 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
604 enum nft_range_attributes {
608 NFTA_RANGE_FROM_DATA,
612 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)
614 enum nft_lookup_flags {
615 NFT_LOOKUP_F_INV = (1 << 0),
619 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
621 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
622 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
623 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
624 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
625 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
627 enum nft_lookup_attributes {
636 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)
638 enum nft_dynset_ops {
640 NFT_DYNSET_OP_UPDATE,
641 NFT_DYNSET_OP_DELETE,
644 enum nft_dynset_flags {
645 NFT_DYNSET_F_INV = (1 << 0),
649 * enum nft_dynset_attributes - dynset expression attributes
651 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
652 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
653 * @NFTA_DYNSET_OP: operation (NLA_U32)
654 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
655 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
656 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
657 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
658 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
660 enum nft_dynset_attributes {
662 NFTA_DYNSET_SET_NAME,
665 NFTA_DYNSET_SREG_KEY,
666 NFTA_DYNSET_SREG_DATA,
673 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)
676 * enum nft_payload_bases - nf_tables payload expression offset bases
678 * @NFT_PAYLOAD_LL_HEADER: link layer header
679 * @NFT_PAYLOAD_NETWORK_HEADER: network header
680 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
682 enum nft_payload_bases {
683 NFT_PAYLOAD_LL_HEADER,
684 NFT_PAYLOAD_NETWORK_HEADER,
685 NFT_PAYLOAD_TRANSPORT_HEADER,
689 * enum nft_payload_csum_types - nf_tables payload expression checksum types
691 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
692 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
694 enum nft_payload_csum_types {
695 NFT_PAYLOAD_CSUM_NONE,
696 NFT_PAYLOAD_CSUM_INET,
699 enum nft_payload_csum_flags {
700 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
704 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
706 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
707 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
708 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
709 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
710 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
711 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
712 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
713 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
715 enum nft_payload_attributes {
722 NFTA_PAYLOAD_CSUM_TYPE,
723 NFTA_PAYLOAD_CSUM_OFFSET,
724 NFTA_PAYLOAD_CSUM_FLAGS,
727 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)
729 enum nft_exthdr_flags {
730 NFT_EXTHDR_F_PRESENT = (1 << 0),
734 * enum nft_exthdr_op - nf_tables match options
736 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
737 * @NFT_EXTHDR_OP_TCP: match against tcp options
738 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options
742 NFT_EXTHDR_OP_TCPOPT,
746 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)
749 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
751 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
752 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
753 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
754 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
755 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
756 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
757 * @NFTA_EXTHDR_SREG: option match type (NLA_U32)
759 enum nft_exthdr_attributes {
770 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)
773 * enum nft_meta_keys - nf_tables meta expression keys
775 * @NFT_META_LEN: packet length (skb->len)
776 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
777 * @NFT_META_PRIORITY: packet priority (skb->priority)
778 * @NFT_META_MARK: packet mark (skb->mark)
779 * @NFT_META_IIF: packet input interface index (dev->ifindex)
780 * @NFT_META_OIF: packet output interface index (dev->ifindex)
781 * @NFT_META_IIFNAME: packet input interface name (dev->name)
782 * @NFT_META_OIFNAME: packet output interface name (dev->name)
783 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
784 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
785 * @NFT_META_SKUID: originating socket UID (fsuid)
786 * @NFT_META_SKGID: originating socket GID (fsgid)
787 * @NFT_META_NFTRACE: packet nftrace bit
788 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
789 * @NFT_META_SECMARK: packet secmark (skb->secmark)
790 * @NFT_META_NFPROTO: netfilter protocol
791 * @NFT_META_L4PROTO: layer 4 protocol number
792 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
793 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
794 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
795 * @NFT_META_CPU: cpu id through smp_processor_id()
796 * @NFT_META_IIFGROUP: packet input interface group
797 * @NFT_META_OIFGROUP: packet output interface group
798 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
799 * @NFT_META_PRANDOM: a 32bit pseudo-random number
800 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
801 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
802 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
803 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid
804 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto
805 * @NFT_META_TIME_NS: time since epoch (in nanoseconds)
806 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday)
807 * @NFT_META_TIME_HOUR: hour of day (in seconds)
827 NFT_META_BRI_IIFNAME,
828 NFT_META_BRI_OIFNAME,
838 NFT_META_BRI_IIFPVID,
839 NFT_META_BRI_IIFVPROTO,
846 * enum nft_rt_keys - nf_tables routing expression keys
848 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
849 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
850 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
851 * @NFT_RT_TCPMSS: fetch current path tcp mss
852 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL
862 #define NFT_RT_MAX (__NFT_RT_MAX - 1)
865 * enum nft_hash_types - nf_tables hash expression types
867 * @NFT_HASH_JENKINS: Jenkins Hash
868 * @NFT_HASH_SYM: Symmetric Hash
870 enum nft_hash_types {
876 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
878 * @NFTA_HASH_SREG: source register (NLA_U32)
879 * @NFTA_HASH_DREG: destination register (NLA_U32)
880 * @NFTA_HASH_LEN: source data length (NLA_U32)
881 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
882 * @NFTA_HASH_SEED: seed value (NLA_U32)
883 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
884 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
885 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
886 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
888 enum nft_hash_attributes {
897 NFTA_HASH_SET_NAME, /* deprecated */
898 NFTA_HASH_SET_ID, /* deprecated */
901 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)
904 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
906 * @NFTA_META_DREG: destination register (NLA_U32)
907 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
908 * @NFTA_META_SREG: source register (NLA_U32)
910 enum nft_meta_attributes {
917 #define NFTA_META_MAX (__NFTA_META_MAX - 1)
920 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
922 * @NFTA_RT_DREG: destination register (NLA_U32)
923 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
925 enum nft_rt_attributes {
931 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1)
934 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
936 * @NFTA_SOCKET_KEY: socket key to match
937 * @NFTA_SOCKET_DREG: destination register
939 enum nft_socket_attributes {
945 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)
948 * enum nft_socket_keys - nf_tables socket expression keys
950 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option
951 * @NFT_SOCKET_MARK: Value of the socket mark
953 enum nft_socket_keys {
954 NFT_SOCKET_TRANSPARENT,
958 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)
961 * enum nft_ct_keys - nf_tables ct expression keys
963 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
964 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
965 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
966 * @NFT_CT_MARK: conntrack mark value
967 * @NFT_CT_SECMARK: conntrack secmark value
968 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
969 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
970 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
971 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
972 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
973 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
974 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
975 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
976 * @NFT_CT_LABELS: conntrack labels
977 * @NFT_CT_PKTS: conntrack packets
978 * @NFT_CT_BYTES: conntrack bytes
979 * @NFT_CT_AVGPKT: conntrack average bytes per packet
980 * @NFT_CT_ZONE: conntrack zone
981 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
982 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
983 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
984 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
985 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
986 * @NFT_CT_ID: conntrack id
1015 #define NFT_CT_MAX (__NFT_CT_MAX - 1)
1018 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
1020 * @NFTA_CT_DREG: destination register (NLA_U32)
1021 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
1022 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
1023 * @NFTA_CT_SREG: source register (NLA_U32)
1025 enum nft_ct_attributes {
1033 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
1036 * enum nft_flow_attributes - ct offload expression attributes
1037 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1039 enum nft_offload_attributes {
1041 NFTA_FLOW_TABLE_NAME,
1044 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)
1046 enum nft_limit_type {
1051 enum nft_limit_flags {
1052 NFT_LIMIT_F_INV = (1 << 0),
1056 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1058 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1059 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1060 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1061 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1062 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1064 enum nft_limit_attributes {
1074 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
1076 enum nft_connlimit_flags {
1077 NFT_CONNLIMIT_F_INV = (1 << 0),
1081 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1083 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1084 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1086 enum nft_connlimit_attributes {
1087 NFTA_CONNLIMIT_UNSPEC,
1088 NFTA_CONNLIMIT_COUNT,
1089 NFTA_CONNLIMIT_FLAGS,
1090 __NFTA_CONNLIMIT_MAX
1092 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)
1095 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1097 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1098 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1100 enum nft_counter_attributes {
1101 NFTA_COUNTER_UNSPEC,
1103 NFTA_COUNTER_PACKETS,
1107 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)
1110 * enum nft_log_attributes - nf_tables log expression netlink attributes
1112 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32)
1113 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1114 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1115 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32)
1116 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1117 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1119 enum nft_log_attributes {
1124 NFTA_LOG_QTHRESHOLD,
1129 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)
1132 * enum nft_log_level - nf_tables log levels
1134 * @NFT_LOGLEVEL_EMERG: system is unusable
1135 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
1136 * @NFT_LOGLEVEL_CRIT: critical conditions
1137 * @NFT_LOGLEVEL_ERR: error conditions
1138 * @NFT_LOGLEVEL_WARNING: warning conditions
1139 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
1140 * @NFT_LOGLEVEL_INFO: informational
1141 * @NFT_LOGLEVEL_DEBUG: debug-level messages
1142 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
1144 enum nft_log_level {
1149 NFT_LOGLEVEL_WARNING,
1150 NFT_LOGLEVEL_NOTICE,
1156 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1)
1159 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1161 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1162 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1163 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1164 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1166 enum nft_queue_attributes {
1171 NFTA_QUEUE_SREG_QNUM,
1174 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)
1176 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */
1177 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */
1178 #define NFT_QUEUE_FLAG_MASK 0x03
1180 enum nft_quota_flags {
1181 NFT_QUOTA_F_INV = (1 << 0),
1182 NFT_QUOTA_F_DEPLETED = (1 << 1),
1186 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1188 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1189 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1190 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1192 enum nft_quota_attributes {
1197 NFTA_QUOTA_CONSUMED,
1200 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)
1203 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes
1205 * @NFTA_SECMARK_CTX: security context (NLA_STRING)
1207 enum nft_secmark_attributes {
1208 NFTA_SECMARK_UNSPEC,
1212 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1)
1214 /* Max security context length */
1215 #define NFT_SECMARK_CTX_MAXLEN 256
1218 * enum nft_reject_types - nf_tables reject expression reject types
1220 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1221 * @NFT_REJECT_TCP_RST: reject using TCP RST
1222 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1224 enum nft_reject_types {
1225 NFT_REJECT_ICMP_UNREACH,
1227 NFT_REJECT_ICMPX_UNREACH,
1231 * enum nft_reject_code - Generic reject codes for IPv4/IPv6
1233 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1234 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1235 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1236 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1238 * These codes are mapped to real ICMP and ICMPv6 codes.
1240 enum nft_reject_inet_code {
1241 NFT_REJECT_ICMPX_NO_ROUTE = 0,
1242 NFT_REJECT_ICMPX_PORT_UNREACH,
1243 NFT_REJECT_ICMPX_HOST_UNREACH,
1244 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1245 __NFT_REJECT_ICMPX_MAX
1247 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)
1250 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1252 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1253 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1255 enum nft_reject_attributes {
1258 NFTA_REJECT_ICMP_CODE,
1261 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)
1264 * enum nft_nat_types - nf_tables nat expression NAT types
1266 * @NFT_NAT_SNAT: source NAT
1267 * @NFT_NAT_DNAT: destination NAT
1269 enum nft_nat_types {
1275 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1277 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1278 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1279 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1280 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1281 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1282 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1283 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1285 enum nft_nat_attributes {
1289 NFTA_NAT_REG_ADDR_MIN,
1290 NFTA_NAT_REG_ADDR_MAX,
1291 NFTA_NAT_REG_PROTO_MIN,
1292 NFTA_NAT_REG_PROTO_MAX,
1296 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)
1299 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
1301 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
1302 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
1303 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
1305 enum nft_tproxy_attributes {
1308 NFTA_TPROXY_REG_ADDR,
1309 NFTA_TPROXY_REG_PORT,
1312 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1)
1315 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1317 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1318 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1319 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1321 enum nft_masq_attributes {
1324 NFTA_MASQ_REG_PROTO_MIN,
1325 NFTA_MASQ_REG_PROTO_MAX,
1328 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)
1331 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1333 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1334 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1335 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1337 enum nft_redir_attributes {
1339 NFTA_REDIR_REG_PROTO_MIN,
1340 NFTA_REDIR_REG_PROTO_MAX,
1344 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
1347 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1349 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1350 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1352 enum nft_dup_attributes {
1358 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
1361 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1363 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1364 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1365 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1367 enum nft_fwd_attributes {
1374 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
1377 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1379 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1380 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1381 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1382 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1383 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1385 enum nft_objref_attributes {
1387 NFTA_OBJREF_IMM_TYPE,
1388 NFTA_OBJREF_IMM_NAME,
1389 NFTA_OBJREF_SET_SREG,
1390 NFTA_OBJREF_SET_NAME,
1394 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
1397 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1399 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1401 enum nft_gen_attributes {
1408 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)
1411 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1413 * @NFTA_FIB_DREG: destination register (NLA_U32)
1414 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1415 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1417 * The FIB expression performs a route lookup according
1418 * to the packet data.
1420 enum nft_fib_attributes {
1427 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1429 enum nft_fib_result {
1430 NFT_FIB_RESULT_UNSPEC,
1432 NFT_FIB_RESULT_OIFNAME,
1433 NFT_FIB_RESULT_ADDRTYPE,
1434 __NFT_FIB_RESULT_MAX
1436 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)
1438 enum nft_fib_flags {
1439 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */
1440 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */
1441 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */
1442 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */
1443 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */
1444 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */
1447 enum nft_ct_helper_attributes {
1448 NFTA_CT_HELPER_UNSPEC,
1449 NFTA_CT_HELPER_NAME,
1450 NFTA_CT_HELPER_L3PROTO,
1451 NFTA_CT_HELPER_L4PROTO,
1452 __NFTA_CT_HELPER_MAX,
1454 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)
1456 enum nft_ct_timeout_timeout_attributes {
1457 NFTA_CT_TIMEOUT_UNSPEC,
1458 NFTA_CT_TIMEOUT_L3PROTO,
1459 NFTA_CT_TIMEOUT_L4PROTO,
1460 NFTA_CT_TIMEOUT_DATA,
1461 __NFTA_CT_TIMEOUT_MAX,
1463 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1)
1465 enum nft_ct_expectation_attributes {
1466 NFTA_CT_EXPECT_UNSPEC,
1467 NFTA_CT_EXPECT_L3PROTO,
1468 NFTA_CT_EXPECT_L4PROTO,
1469 NFTA_CT_EXPECT_DPORT,
1470 NFTA_CT_EXPECT_TIMEOUT,
1471 NFTA_CT_EXPECT_SIZE,
1472 __NFTA_CT_EXPECT_MAX,
1474 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1)
1476 #define NFT_OBJECT_UNSPEC 0
1477 #define NFT_OBJECT_COUNTER 1
1478 #define NFT_OBJECT_QUOTA 2
1479 #define NFT_OBJECT_CT_HELPER 3
1480 #define NFT_OBJECT_LIMIT 4
1481 #define NFT_OBJECT_CONNLIMIT 5
1482 #define NFT_OBJECT_TUNNEL 6
1483 #define NFT_OBJECT_CT_TIMEOUT 7
1484 #define NFT_OBJECT_SECMARK 8
1485 #define NFT_OBJECT_CT_EXPECT 9
1486 #define NFT_OBJECT_SYNPROXY 10
1487 #define __NFT_OBJECT_MAX 11
1488 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)
1491 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1493 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1494 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1495 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1496 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1497 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1498 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1500 enum nft_object_attributes {
1511 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)
1514 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1516 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1517 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1518 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)
1519 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1520 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1521 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32)
1523 enum nft_flowtable_attributes {
1524 NFTA_FLOWTABLE_UNSPEC,
1525 NFTA_FLOWTABLE_TABLE,
1526 NFTA_FLOWTABLE_NAME,
1527 NFTA_FLOWTABLE_HOOK,
1529 NFTA_FLOWTABLE_HANDLE,
1531 NFTA_FLOWTABLE_FLAGS,
1532 __NFTA_FLOWTABLE_MAX
1534 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)
1537 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1539 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1540 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1541 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1543 enum nft_flowtable_hook_attributes {
1544 NFTA_FLOWTABLE_HOOK_UNSPEC,
1545 NFTA_FLOWTABLE_HOOK_NUM,
1546 NFTA_FLOWTABLE_HOOK_PRIORITY,
1547 NFTA_FLOWTABLE_HOOK_DEVS,
1548 __NFTA_FLOWTABLE_HOOK_MAX
1550 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)
1553 * enum nft_osf_attributes - nftables osf expression netlink attributes
1555 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers)
1556 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8)
1557 * @NFTA_OSF_FLAGS: flags (NLA_U32)
1559 enum nft_osf_attributes {
1566 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)
1568 enum nft_osf_flags {
1569 NFT_OSF_F_VERSION = (1 << 0),
1573 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes
1575 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16)
1576 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8)
1577 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32)
1579 enum nft_synproxy_attributes {
1580 NFTA_SYNPROXY_UNSPEC,
1582 NFTA_SYNPROXY_WSCALE,
1583 NFTA_SYNPROXY_FLAGS,
1584 __NFTA_SYNPROXY_MAX,
1586 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1)
1589 * enum nft_device_attributes - nf_tables device netlink attributes
1591 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1593 enum nft_devices_attributes {
1598 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
1601 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
1603 * @NFTA_XFRM_DREG: destination register (NLA_U32)
1604 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
1605 * @NFTA_XFRM_DIR: direction (NLA_U8)
1606 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
1608 enum nft_xfrm_attributes {
1616 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)
1618 enum nft_xfrm_keys {
1619 NFT_XFRM_KEY_UNSPEC,
1620 NFT_XFRM_KEY_DADDR_IP4,
1621 NFT_XFRM_KEY_DADDR_IP6,
1622 NFT_XFRM_KEY_SADDR_IP4,
1623 NFT_XFRM_KEY_SADDR_IP6,
1628 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)
1631 * enum nft_trace_attributes - nf_tables trace netlink attributes
1633 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1634 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1635 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1636 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1637 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1638 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1639 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1640 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1641 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1642 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1643 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1644 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1645 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1646 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1647 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1648 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1650 enum nft_trace_attributes {
1654 NFTA_TRACE_RULE_HANDLE,
1658 NFTA_TRACE_LL_HEADER,
1659 NFTA_TRACE_NETWORK_HEADER,
1660 NFTA_TRACE_TRANSPORT_HEADER,
1671 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1673 enum nft_trace_types {
1674 NFT_TRACETYPE_UNSPEC,
1675 NFT_TRACETYPE_POLICY,
1676 NFT_TRACETYPE_RETURN,
1680 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1683 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1685 * @NFTA_NG_DREG: destination register (NLA_U32)
1686 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1687 * @NFTA_NG_TYPE: operation type (NLA_U32)
1688 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1689 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1690 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1692 enum nft_ng_attributes {
1698 NFTA_NG_SET_NAME, /* deprecated */
1699 NFTA_NG_SET_ID, /* deprecated */
1702 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1)
1709 #define NFT_NG_MAX (__NFT_NG_MAX - 1)
1711 enum nft_tunnel_key_ip_attributes {
1712 NFTA_TUNNEL_KEY_IP_UNSPEC,
1713 NFTA_TUNNEL_KEY_IP_SRC,
1714 NFTA_TUNNEL_KEY_IP_DST,
1715 __NFTA_TUNNEL_KEY_IP_MAX
1717 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1)
1719 enum nft_tunnel_ip6_attributes {
1720 NFTA_TUNNEL_KEY_IP6_UNSPEC,
1721 NFTA_TUNNEL_KEY_IP6_SRC,
1722 NFTA_TUNNEL_KEY_IP6_DST,
1723 NFTA_TUNNEL_KEY_IP6_FLOWLABEL,
1724 __NFTA_TUNNEL_KEY_IP6_MAX
1726 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1)
1728 enum nft_tunnel_opts_attributes {
1729 NFTA_TUNNEL_KEY_OPTS_UNSPEC,
1730 NFTA_TUNNEL_KEY_OPTS_VXLAN,
1731 NFTA_TUNNEL_KEY_OPTS_ERSPAN,
1732 __NFTA_TUNNEL_KEY_OPTS_MAX
1734 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1)
1736 enum nft_tunnel_opts_vxlan_attributes {
1737 NFTA_TUNNEL_KEY_VXLAN_UNSPEC,
1738 NFTA_TUNNEL_KEY_VXLAN_GBP,
1739 __NFTA_TUNNEL_KEY_VXLAN_MAX
1741 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)
1743 enum nft_tunnel_opts_erspan_attributes {
1744 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,
1745 NFTA_TUNNEL_KEY_ERSPAN_VERSION,
1746 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,
1747 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,
1748 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,
1749 __NFTA_TUNNEL_KEY_ERSPAN_MAX
1751 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)
1753 enum nft_tunnel_flags {
1754 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0),
1755 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1),
1756 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2),
1758 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \
1759 NFT_TUNNEL_F_DONT_FRAGMENT | \
1760 NFT_TUNNEL_F_SEQ_NUMBER)
1762 enum nft_tunnel_key_attributes {
1763 NFTA_TUNNEL_KEY_UNSPEC,
1766 NFTA_TUNNEL_KEY_IP6,
1767 NFTA_TUNNEL_KEY_FLAGS,
1768 NFTA_TUNNEL_KEY_TOS,
1769 NFTA_TUNNEL_KEY_TTL,
1770 NFTA_TUNNEL_KEY_SPORT,
1771 NFTA_TUNNEL_KEY_DPORT,
1772 NFTA_TUNNEL_KEY_OPTS,
1773 __NFTA_TUNNEL_KEY_MAX
1775 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)
1777 enum nft_tunnel_keys {
1782 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)
1784 enum nft_tunnel_mode {
1785 NFT_TUNNEL_MODE_NONE,
1788 __NFT_TUNNEL_MODE_MAX
1790 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1)
1792 enum nft_tunnel_attributes {
1799 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)
1801 #endif /* _LINUX_NF_TABLES_H */