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
13 * enum nft_registers - nf_tables registers
15 * nf_tables used to have five registers: a verdict register and four data
16 * registers of size 16. The data registers have been changed to 16 registers
17 * of size 4. For compatibility reasons, the NFT_REG_[1-4] registers still
18 * map to areas of size 16, the 4 byte registers are addressed using
19 * NFT_REG32_00 - NFT_REG32_15.
46 #define NFT_REG_MAX (__NFT_REG_MAX - 1)
48 #define NFT_REG_SIZE 16
49 #define NFT_REG32_SIZE 4
52 * enum nft_verdicts - nf_tables internal verdicts
54 * @NFT_CONTINUE: continue evaluation of the current rule
55 * @NFT_BREAK: terminate evaluation of the current rule
56 * @NFT_JUMP: push the current chain on the jump stack and jump to a chain
57 * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack
58 * @NFT_RETURN: return to the topmost chain on the jump stack
60 * The nf_tables verdicts share their numeric space with the netfilter verdicts.
71 * enum nf_tables_msg_types - nf_tables netlink message types
73 * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes)
74 * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes)
75 * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes)
76 * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes)
77 * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes)
78 * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes)
79 * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes)
80 * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes)
81 * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes)
82 * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes)
83 * @NFT_MSG_GETSET: get a set (enum nft_set_attributes)
84 * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes)
85 * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes)
86 * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes)
87 * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes)
88 * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes)
89 * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes)
90 * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes)
91 * @NFT_MSG_NEWOBJ: create a stateful object (enum nft_obj_attributes)
92 * @NFT_MSG_GETOBJ: get a stateful object (enum nft_obj_attributes)
93 * @NFT_MSG_DELOBJ: delete a stateful object (enum nft_obj_attributes)
94 * @NFT_MSG_GETOBJ_RESET: get and reset a stateful object (enum nft_obj_attributes)
95 * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes)
96 * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes)
97 * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes)
99 enum nf_tables_msg_types {
121 NFT_MSG_GETOBJ_RESET,
122 NFT_MSG_NEWFLOWTABLE,
123 NFT_MSG_GETFLOWTABLE,
124 NFT_MSG_DELFLOWTABLE,
129 * enum nft_list_attributes - nf_tables generic list netlink attributes
131 * @NFTA_LIST_ELEM: list element (NLA_NESTED)
133 enum nft_list_attributes {
138 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1)
141 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes
143 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32)
144 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
145 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING)
147 enum nft_hook_attributes {
154 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1)
157 * enum nft_table_flags - nf_tables table flags
159 * @NFT_TABLE_F_DORMANT: this table is not active
161 enum nft_table_flags {
162 NFT_TABLE_F_DORMANT = 0x1,
166 * enum nft_table_attributes - nf_tables table netlink attributes
168 * @NFTA_TABLE_NAME: name of the table (NLA_STRING)
169 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)
170 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)
172 enum nft_table_attributes {
181 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)
184 * enum nft_chain_attributes - nf_tables chain netlink attributes
186 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING)
187 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64)
188 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING)
189 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes)
190 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32)
191 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32)
192 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING)
193 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes)
195 enum nft_chain_attributes {
208 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1)
211 * enum nft_rule_attributes - nf_tables rule netlink attributes
213 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)
214 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)
215 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)
216 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
217 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
218 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
219 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
220 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)
222 enum nft_rule_attributes {
227 NFTA_RULE_EXPRESSIONS,
235 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1)
238 * enum nft_rule_compat_flags - nf_tables rule compat flags
240 * @NFT_RULE_COMPAT_F_INV: invert the check result
242 enum nft_rule_compat_flags {
243 NFT_RULE_COMPAT_F_INV = (1 << 1),
244 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,
248 * enum nft_rule_compat_attributes - nf_tables rule compat attributes
250 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)
251 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)
253 enum nft_rule_compat_attributes {
254 NFTA_RULE_COMPAT_UNSPEC,
255 NFTA_RULE_COMPAT_PROTO,
256 NFTA_RULE_COMPAT_FLAGS,
257 __NFTA_RULE_COMPAT_MAX
259 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1)
262 * enum nft_set_flags - nf_tables set flags
264 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink
265 * @NFT_SET_CONSTANT: set contents may not change while bound
266 * @NFT_SET_INTERVAL: set contains intervals
267 * @NFT_SET_MAP: set is used as a dictionary
268 * @NFT_SET_TIMEOUT: set uses timeouts
269 * @NFT_SET_EVAL: set contains expressions for evaluation
270 * @NFT_SET_OBJECT: set contains stateful objects
273 NFT_SET_ANONYMOUS = 0x1,
274 NFT_SET_CONSTANT = 0x2,
275 NFT_SET_INTERVAL = 0x4,
277 NFT_SET_TIMEOUT = 0x10,
279 NFT_SET_OBJECT = 0x40,
283 * enum nft_set_policies - set selection policy
285 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use
286 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance
288 enum nft_set_policies {
289 NFT_SET_POL_PERFORMANCE,
294 * enum nft_set_desc_attributes - set element description
296 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)
298 enum nft_set_desc_attributes {
299 NFTA_SET_DESC_UNSPEC,
303 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1)
306 * enum nft_set_attributes - nf_tables set netlink attributes
308 * @NFTA_SET_TABLE: table name (NLA_STRING)
309 * @NFTA_SET_NAME: set name (NLA_STRING)
310 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)
311 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)
312 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)
313 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)
314 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)
315 * @NFTA_SET_POLICY: selection policy (NLA_U32)
316 * @NFTA_SET_DESC: set description (NLA_NESTED)
317 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
318 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)
319 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)
320 * @NFTA_SET_USERDATA: user data (NLA_BINARY)
321 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)
322 * @NFTA_SET_HANDLE: set handle (NLA_U64)
324 enum nft_set_attributes {
337 NFTA_SET_GC_INTERVAL,
344 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1)
347 * enum nft_set_elem_flags - nf_tables set element flags
349 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
351 enum nft_set_elem_flags {
352 NFT_SET_ELEM_INTERVAL_END = 0x1,
356 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
358 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
359 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
360 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
361 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)
362 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
363 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
364 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
365 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
367 enum nft_set_elem_attributes {
368 NFTA_SET_ELEM_UNSPEC,
372 NFTA_SET_ELEM_TIMEOUT,
373 NFTA_SET_ELEM_EXPIRATION,
374 NFTA_SET_ELEM_USERDATA,
377 NFTA_SET_ELEM_OBJREF,
380 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)
383 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
385 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
386 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
387 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
388 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
390 enum nft_set_elem_list_attributes {
391 NFTA_SET_ELEM_LIST_UNSPEC,
392 NFTA_SET_ELEM_LIST_TABLE,
393 NFTA_SET_ELEM_LIST_SET,
394 NFTA_SET_ELEM_LIST_ELEMENTS,
395 NFTA_SET_ELEM_LIST_SET_ID,
396 __NFTA_SET_ELEM_LIST_MAX
398 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)
401 * enum nft_data_types - nf_tables data types
403 * @NFT_DATA_VALUE: generic data
404 * @NFT_DATA_VERDICT: netfilter verdict
406 * The type of data is usually determined by the kernel directly and is not
407 * explicitly specified by userspace. The only difference are sets, where
408 * userspace specifies the key and mapping data types.
410 * The values 0xffffff00-0xffffffff are reserved for internally used types.
411 * The remaining range can be freely used by userspace to encode types, all
412 * values are equivalent to NFT_DATA_VALUE.
414 enum nft_data_types {
416 NFT_DATA_VERDICT = 0xffffff00U,
419 #define NFT_DATA_RESERVED_MASK 0xffffff00U
422 * enum nft_data_attributes - nf_tables data netlink attributes
424 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
425 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
427 enum nft_data_attributes {
433 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)
435 /* Maximum length of a value */
436 #define NFT_DATA_VALUE_MAXLEN 64
439 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
441 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
442 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
444 enum nft_verdict_attributes {
450 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)
453 * enum nft_expr_attributes - nf_tables expression netlink attributes
455 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
456 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
458 enum nft_expr_attributes {
464 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)
467 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
469 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
470 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
472 enum nft_immediate_attributes {
473 NFTA_IMMEDIATE_UNSPEC,
478 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)
481 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
483 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
484 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
485 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
486 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
487 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
489 * The bitwise expression performs the following operation:
491 * dreg = (sreg & mask) ^ xor
493 * which allow to express all bitwise operations:
501 enum nft_bitwise_attributes {
510 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)
513 * enum nft_byteorder_ops - nf_tables byteorder operators
515 * @NFT_BYTEORDER_NTOH: network to host operator
516 * @NFT_BYTEORDER_HTON: host to network operator
518 enum nft_byteorder_ops {
524 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
526 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
527 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
528 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
529 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
530 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
532 enum nft_byteorder_attributes {
533 NFTA_BYTEORDER_UNSPEC,
541 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)
544 * enum nft_cmp_ops - nf_tables relational operator
547 * @NFT_CMP_NEQ: not equal
548 * @NFT_CMP_LT: less than
549 * @NFT_CMP_LTE: less than or equal to
550 * @NFT_CMP_GT: greater than
551 * @NFT_CMP_GTE: greater than or equal to
563 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
565 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
566 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
567 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
569 enum nft_cmp_attributes {
576 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)
579 * enum nft_range_ops - nf_tables range operator
581 * @NFT_RANGE_EQ: equal
582 * @NFT_RANGE_NEQ: not equal
590 * enum nft_range_attributes - nf_tables range expression netlink attributes
592 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
593 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops)
594 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
595 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
597 enum nft_range_attributes {
601 NFTA_RANGE_FROM_DATA,
605 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)
607 enum nft_lookup_flags {
608 NFT_LOOKUP_F_INV = (1 << 0),
612 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
614 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
615 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
616 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
617 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
618 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
620 enum nft_lookup_attributes {
629 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)
631 enum nft_dynset_ops {
633 NFT_DYNSET_OP_UPDATE,
636 enum nft_dynset_flags {
637 NFT_DYNSET_F_INV = (1 << 0),
641 * enum nft_dynset_attributes - dynset expression attributes
643 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
644 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
645 * @NFTA_DYNSET_OP: operation (NLA_U32)
646 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
647 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
648 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
649 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
650 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
652 enum nft_dynset_attributes {
654 NFTA_DYNSET_SET_NAME,
657 NFTA_DYNSET_SREG_KEY,
658 NFTA_DYNSET_SREG_DATA,
665 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)
668 * enum nft_payload_bases - nf_tables payload expression offset bases
670 * @NFT_PAYLOAD_LL_HEADER: link layer header
671 * @NFT_PAYLOAD_NETWORK_HEADER: network header
672 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
674 enum nft_payload_bases {
675 NFT_PAYLOAD_LL_HEADER,
676 NFT_PAYLOAD_NETWORK_HEADER,
677 NFT_PAYLOAD_TRANSPORT_HEADER,
681 * enum nft_payload_csum_types - nf_tables payload expression checksum types
683 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
684 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
686 enum nft_payload_csum_types {
687 NFT_PAYLOAD_CSUM_NONE,
688 NFT_PAYLOAD_CSUM_INET,
691 enum nft_payload_csum_flags {
692 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
696 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
698 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
699 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
700 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
701 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
702 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
703 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
704 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
705 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
707 enum nft_payload_attributes {
714 NFTA_PAYLOAD_CSUM_TYPE,
715 NFTA_PAYLOAD_CSUM_OFFSET,
716 NFTA_PAYLOAD_CSUM_FLAGS,
719 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)
721 enum nft_exthdr_flags {
722 NFT_EXTHDR_F_PRESENT = (1 << 0),
726 * enum nft_exthdr_op - nf_tables match options
728 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
729 * @NFT_EXTHDR_OP_TCP: match against tcp options
733 NFT_EXTHDR_OP_TCPOPT,
736 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)
739 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
741 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
742 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
743 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
744 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
745 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
746 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
747 * @NFTA_EXTHDR_SREG: option match type (NLA_U32)
749 enum nft_exthdr_attributes {
760 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)
763 * enum nft_meta_keys - nf_tables meta expression keys
765 * @NFT_META_LEN: packet length (skb->len)
766 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
767 * @NFT_META_PRIORITY: packet priority (skb->priority)
768 * @NFT_META_MARK: packet mark (skb->mark)
769 * @NFT_META_IIF: packet input interface index (dev->ifindex)
770 * @NFT_META_OIF: packet output interface index (dev->ifindex)
771 * @NFT_META_IIFNAME: packet input interface name (dev->name)
772 * @NFT_META_OIFNAME: packet output interface name (dev->name)
773 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
774 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
775 * @NFT_META_SKUID: originating socket UID (fsuid)
776 * @NFT_META_SKGID: originating socket GID (fsgid)
777 * @NFT_META_NFTRACE: packet nftrace bit
778 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
779 * @NFT_META_SECMARK: packet secmark (skb->secmark)
780 * @NFT_META_NFPROTO: netfilter protocol
781 * @NFT_META_L4PROTO: layer 4 protocol number
782 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
783 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
784 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
785 * @NFT_META_CPU: cpu id through smp_processor_id()
786 * @NFT_META_IIFGROUP: packet input interface group
787 * @NFT_META_OIFGROUP: packet output interface group
788 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
789 * @NFT_META_PRANDOM: a 32bit pseudo-random number
790 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
810 NFT_META_BRI_IIFNAME,
811 NFT_META_BRI_OIFNAME,
822 * enum nft_rt_keys - nf_tables routing expression keys
824 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
825 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
826 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
827 * @NFT_RT_TCPMSS: fetch current path tcp mss
836 #define NFT_RT_MAX (__NFT_RT_MAX - 1)
839 * enum nft_hash_types - nf_tables hash expression types
841 * @NFT_HASH_JENKINS: Jenkins Hash
842 * @NFT_HASH_SYM: Symmetric Hash
844 enum nft_hash_types {
850 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
852 * @NFTA_HASH_SREG: source register (NLA_U32)
853 * @NFTA_HASH_DREG: destination register (NLA_U32)
854 * @NFTA_HASH_LEN: source data length (NLA_U32)
855 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
856 * @NFTA_HASH_SEED: seed value (NLA_U32)
857 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
858 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
859 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
860 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
862 enum nft_hash_attributes {
875 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)
878 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
880 * @NFTA_META_DREG: destination register (NLA_U32)
881 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
882 * @NFTA_META_SREG: source register (NLA_U32)
884 enum nft_meta_attributes {
891 #define NFTA_META_MAX (__NFTA_META_MAX - 1)
894 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
896 * @NFTA_RT_DREG: destination register (NLA_U32)
897 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
899 enum nft_rt_attributes {
905 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1)
908 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
910 * @NFTA_SOCKET_KEY: socket key to match
911 * @NFTA_SOCKET_DREG: destination register
913 enum nft_socket_attributes {
919 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)
922 * enum nft_socket_keys - nf_tables socket expression keys
924 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option_
926 enum nft_socket_keys {
927 NFT_SOCKET_TRANSPARENT,
930 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)
933 * enum nft_ct_keys - nf_tables ct expression keys
935 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
936 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
937 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
938 * @NFT_CT_MARK: conntrack mark value
939 * @NFT_CT_SECMARK: conntrack secmark value
940 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
941 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
942 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
943 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
944 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
945 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
946 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
947 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
948 * @NFT_CT_LABELS: conntrack labels
949 * @NFT_CT_PKTS: conntrack packets
950 * @NFT_CT_BYTES: conntrack bytes
951 * @NFT_CT_AVGPKT: conntrack average bytes per packet
952 * @NFT_CT_ZONE: conntrack zone
953 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
954 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
955 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
956 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
957 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
985 #define NFT_CT_MAX (__NFT_CT_MAX - 1)
988 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
990 * @NFTA_CT_DREG: destination register (NLA_U32)
991 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
992 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
993 * @NFTA_CT_SREG: source register (NLA_U32)
995 enum nft_ct_attributes {
1003 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
1006 * enum nft_flow_attributes - ct offload expression attributes
1007 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1009 enum nft_offload_attributes {
1011 NFTA_FLOW_TABLE_NAME,
1014 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)
1016 enum nft_limit_type {
1021 enum nft_limit_flags {
1022 NFT_LIMIT_F_INV = (1 << 0),
1026 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1028 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1029 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1030 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1031 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1032 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1034 enum nft_limit_attributes {
1044 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
1046 enum nft_connlimit_flags {
1047 NFT_CONNLIMIT_F_INV = (1 << 0),
1051 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1053 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1054 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1056 enum nft_connlimit_attributes {
1057 NFTA_CONNLIMIT_UNSPEC,
1058 NFTA_CONNLIMIT_COUNT,
1059 NFTA_CONNLIMIT_FLAGS,
1060 __NFTA_CONNLIMIT_MAX
1062 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)
1065 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1067 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1068 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1070 enum nft_counter_attributes {
1071 NFTA_COUNTER_UNSPEC,
1073 NFTA_COUNTER_PACKETS,
1077 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)
1080 * enum nft_log_attributes - nf_tables log expression netlink attributes
1082 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32)
1083 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1084 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1085 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32)
1086 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1087 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1089 enum nft_log_attributes {
1094 NFTA_LOG_QTHRESHOLD,
1099 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)
1102 * LOGLEVEL_AUDIT - a pseudo log level enabling audit logging
1104 #define LOGLEVEL_AUDIT 8
1107 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1109 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1110 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1111 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1112 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1114 enum nft_queue_attributes {
1119 NFTA_QUEUE_SREG_QNUM,
1122 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)
1124 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */
1125 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */
1126 #define NFT_QUEUE_FLAG_MASK 0x03
1128 enum nft_quota_flags {
1129 NFT_QUOTA_F_INV = (1 << 0),
1130 NFT_QUOTA_F_DEPLETED = (1 << 1),
1134 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1136 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1137 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1138 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1140 enum nft_quota_attributes {
1145 NFTA_QUOTA_CONSUMED,
1148 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)
1151 * enum nft_reject_types - nf_tables reject expression reject types
1153 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1154 * @NFT_REJECT_TCP_RST: reject using TCP RST
1155 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1157 enum nft_reject_types {
1158 NFT_REJECT_ICMP_UNREACH,
1160 NFT_REJECT_ICMPX_UNREACH,
1164 * enum nft_reject_code - Generic reject codes for IPv4/IPv6
1166 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1167 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1168 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1169 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1171 * These codes are mapped to real ICMP and ICMPv6 codes.
1173 enum nft_reject_inet_code {
1174 NFT_REJECT_ICMPX_NO_ROUTE = 0,
1175 NFT_REJECT_ICMPX_PORT_UNREACH,
1176 NFT_REJECT_ICMPX_HOST_UNREACH,
1177 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1178 __NFT_REJECT_ICMPX_MAX
1180 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)
1183 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1185 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1186 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1188 enum nft_reject_attributes {
1191 NFTA_REJECT_ICMP_CODE,
1194 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)
1197 * enum nft_nat_types - nf_tables nat expression NAT types
1199 * @NFT_NAT_SNAT: source NAT
1200 * @NFT_NAT_DNAT: destination NAT
1202 enum nft_nat_types {
1208 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1210 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1211 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1212 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1213 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1214 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1215 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1216 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1218 enum nft_nat_attributes {
1222 NFTA_NAT_REG_ADDR_MIN,
1223 NFTA_NAT_REG_ADDR_MAX,
1224 NFTA_NAT_REG_PROTO_MIN,
1225 NFTA_NAT_REG_PROTO_MAX,
1229 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)
1232 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1234 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1235 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1236 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1238 enum nft_masq_attributes {
1241 NFTA_MASQ_REG_PROTO_MIN,
1242 NFTA_MASQ_REG_PROTO_MAX,
1245 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)
1248 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1250 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1251 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1252 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1254 enum nft_redir_attributes {
1256 NFTA_REDIR_REG_PROTO_MIN,
1257 NFTA_REDIR_REG_PROTO_MAX,
1261 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
1264 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1266 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1267 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1269 enum nft_dup_attributes {
1275 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
1278 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1280 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1281 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1282 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1284 enum nft_fwd_attributes {
1291 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
1294 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1296 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1297 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1298 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1299 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1300 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1302 enum nft_objref_attributes {
1304 NFTA_OBJREF_IMM_TYPE,
1305 NFTA_OBJREF_IMM_NAME,
1306 NFTA_OBJREF_SET_SREG,
1307 NFTA_OBJREF_SET_NAME,
1311 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
1314 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1316 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1318 enum nft_gen_attributes {
1325 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)
1328 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1330 * @NFTA_FIB_DREG: destination register (NLA_U32)
1331 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1332 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1334 * The FIB expression performs a route lookup according
1335 * to the packet data.
1337 enum nft_fib_attributes {
1344 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1346 enum nft_fib_result {
1347 NFT_FIB_RESULT_UNSPEC,
1349 NFT_FIB_RESULT_OIFNAME,
1350 NFT_FIB_RESULT_ADDRTYPE,
1351 __NFT_FIB_RESULT_MAX
1353 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)
1355 enum nft_fib_flags {
1356 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */
1357 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */
1358 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */
1359 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */
1360 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */
1361 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */
1364 enum nft_ct_helper_attributes {
1365 NFTA_CT_HELPER_UNSPEC,
1366 NFTA_CT_HELPER_NAME,
1367 NFTA_CT_HELPER_L3PROTO,
1368 NFTA_CT_HELPER_L4PROTO,
1369 __NFTA_CT_HELPER_MAX,
1371 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)
1373 #define NFT_OBJECT_UNSPEC 0
1374 #define NFT_OBJECT_COUNTER 1
1375 #define NFT_OBJECT_QUOTA 2
1376 #define NFT_OBJECT_CT_HELPER 3
1377 #define NFT_OBJECT_LIMIT 4
1378 #define NFT_OBJECT_CONNLIMIT 5
1379 #define __NFT_OBJECT_MAX 6
1380 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)
1383 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1385 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1386 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1387 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1388 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1389 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1390 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1392 enum nft_object_attributes {
1403 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)
1406 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1408 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1409 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1410 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)
1411 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1412 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1414 enum nft_flowtable_attributes {
1415 NFTA_FLOWTABLE_UNSPEC,
1416 NFTA_FLOWTABLE_TABLE,
1417 NFTA_FLOWTABLE_NAME,
1418 NFTA_FLOWTABLE_HOOK,
1420 NFTA_FLOWTABLE_HANDLE,
1422 __NFTA_FLOWTABLE_MAX
1424 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)
1427 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1429 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1430 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1431 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1433 enum nft_flowtable_hook_attributes {
1434 NFTA_FLOWTABLE_HOOK_UNSPEC,
1435 NFTA_FLOWTABLE_HOOK_NUM,
1436 NFTA_FLOWTABLE_HOOK_PRIORITY,
1437 NFTA_FLOWTABLE_HOOK_DEVS,
1438 __NFTA_FLOWTABLE_HOOK_MAX
1440 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)
1443 * enum nft_device_attributes - nf_tables device netlink attributes
1445 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1447 enum nft_devices_attributes {
1452 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
1456 * enum nft_trace_attributes - nf_tables trace netlink attributes
1458 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1459 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1460 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1461 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1462 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1463 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1464 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1465 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1466 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1467 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1468 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1469 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1470 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1471 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1472 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1473 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1475 enum nft_trace_attributes {
1479 NFTA_TRACE_RULE_HANDLE,
1483 NFTA_TRACE_LL_HEADER,
1484 NFTA_TRACE_NETWORK_HEADER,
1485 NFTA_TRACE_TRANSPORT_HEADER,
1496 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1498 enum nft_trace_types {
1499 NFT_TRACETYPE_UNSPEC,
1500 NFT_TRACETYPE_POLICY,
1501 NFT_TRACETYPE_RETURN,
1505 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1508 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1510 * @NFTA_NG_DREG: destination register (NLA_U32)
1511 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1512 * @NFTA_NG_TYPE: operation type (NLA_U32)
1513 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1514 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1515 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1517 enum nft_ng_attributes {
1527 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1)
1534 #define NFT_NG_MAX (__NFT_NG_MAX - 1)
1536 #endif /* _LINUX_NF_TABLES_H */