1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _LINUX_NF_TABLES_H
3 #define _LINUX_NF_TABLES_H
4
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
12
13 /**
14 * enum nft_registers - nf_tables registers
15 *
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.
21 */
22 enum nft_registers {
23 NFT_REG_VERDICT,
24 NFT_REG_1,
25 NFT_REG_2,
26 NFT_REG_3,
27 NFT_REG_4,
28 __NFT_REG_MAX,
29
30 NFT_REG32_00 = 8,
31 NFT_REG32_01,
32 NFT_REG32_02,
33 NFT_REG32_03,
34 NFT_REG32_04,
35 NFT_REG32_05,
36 NFT_REG32_06,
37 NFT_REG32_07,
38 NFT_REG32_08,
39 NFT_REG32_09,
40 NFT_REG32_10,
41 NFT_REG32_11,
42 NFT_REG32_12,
43 NFT_REG32_13,
44 NFT_REG32_14,
45 NFT_REG32_15,
46 };
47 #define NFT_REG_MAX (__NFT_REG_MAX - 1)
48
49 #define NFT_REG_SIZE 16
50 #define NFT_REG32_SIZE 4
51
52 /**
53 * enum nft_verdicts - nf_tables internal verdicts
54 *
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
60 *
61 * The nf_tables verdicts share their numeric space with the netfilter verdicts.
62 */
63 enum nft_verdicts {
64 NFT_CONTINUE = -1,
65 NFT_BREAK = -2,
66 NFT_JUMP = -3,
67 NFT_GOTO = -4,
68 NFT_RETURN = -5,
69 };
70
71 /**
72 * enum nf_tables_msg_types - nf_tables netlink message types
73 *
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)
99 */
100 enum nf_tables_msg_types {
101 NFT_MSG_NEWTABLE,
102 NFT_MSG_GETTABLE,
103 NFT_MSG_DELTABLE,
104 NFT_MSG_NEWCHAIN,
105 NFT_MSG_GETCHAIN,
106 NFT_MSG_DELCHAIN,
107 NFT_MSG_NEWRULE,
108 NFT_MSG_GETRULE,
109 NFT_MSG_DELRULE,
110 NFT_MSG_NEWSET,
111 NFT_MSG_GETSET,
112 NFT_MSG_DELSET,
113 NFT_MSG_NEWSETELEM,
114 NFT_MSG_GETSETELEM,
115 NFT_MSG_DELSETELEM,
116 NFT_MSG_NEWGEN,
117 NFT_MSG_GETGEN,
118 NFT_MSG_TRACE,
119 NFT_MSG_NEWOBJ,
120 NFT_MSG_GETOBJ,
121 NFT_MSG_DELOBJ,
122 NFT_MSG_GETOBJ_RESET,
123 NFT_MSG_NEWFLOWTABLE,
124 NFT_MSG_GETFLOWTABLE,
125 NFT_MSG_DELFLOWTABLE,
126 NFT_MSG_MAX,
127 };
128
129 /**
130 * enum nft_list_attributes - nf_tables generic list netlink attributes
131 *
132 * @NFTA_LIST_ELEM: list element (NLA_NESTED)
133 */
134 enum nft_list_attributes {
135 NFTA_LIST_UNPEC,
136 NFTA_LIST_ELEM,
137 __NFTA_LIST_MAX
138 };
139 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1)
140
141 /**
142 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes
143 *
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 */
148 enum nft_hook_attributes {
149 NFTA_HOOK_UNSPEC,
150 NFTA_HOOK_HOOKNUM,
151 NFTA_HOOK_PRIORITY,
152 NFTA_HOOK_DEV,
153 __NFTA_HOOK_MAX
154 };
155 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1)
156
157 /**
158 * enum nft_table_flags - nf_tables table flags
159 *
160 * @NFT_TABLE_F_DORMANT: this table is not active
161 */
162 enum nft_table_flags {
163 NFT_TABLE_F_DORMANT = 0x1,
164 };
165
166 /**
167 * enum nft_table_attributes - nf_tables table netlink attributes
168 *
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)
172 */
173 enum nft_table_attributes {
174 NFTA_TABLE_UNSPEC,
175 NFTA_TABLE_NAME,
176 NFTA_TABLE_FLAGS,
177 NFTA_TABLE_USE,
178 NFTA_TABLE_HANDLE,
179 NFTA_TABLE_PAD,
180 __NFTA_TABLE_MAX
181 };
182 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)
183
184 /**
185 * enum nft_chain_attributes - nf_tables chain netlink attributes
186 *
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)
195 * @NFTA_CHAIN_FLAGS: chain flags
196 */
197 enum nft_chain_attributes {
198 NFTA_CHAIN_UNSPEC,
199 NFTA_CHAIN_TABLE,
200 NFTA_CHAIN_HANDLE,
201 NFTA_CHAIN_NAME,
202 NFTA_CHAIN_HOOK,
203 NFTA_CHAIN_POLICY,
204 NFTA_CHAIN_USE,
205 NFTA_CHAIN_TYPE,
206 NFTA_CHAIN_COUNTERS,
207 NFTA_CHAIN_PAD,
208 NFTA_CHAIN_FLAGS,
209 __NFTA_CHAIN_MAX
210 };
211 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1)
212
213 /**
214 * enum nft_rule_attributes - nf_tables rule netlink attributes
215 *
216 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)
217 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)
218 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)
219 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
220 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
221 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
222 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
223 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)
224 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32)
225 */
226 enum nft_rule_attributes {
227 NFTA_RULE_UNSPEC,
228 NFTA_RULE_TABLE,
229 NFTA_RULE_CHAIN,
230 NFTA_RULE_HANDLE,
231 NFTA_RULE_EXPRESSIONS,
232 NFTA_RULE_COMPAT,
233 NFTA_RULE_POSITION,
234 NFTA_RULE_USERDATA,
235 NFTA_RULE_PAD,
236 NFTA_RULE_ID,
237 NFTA_RULE_POSITION_ID,
238 __NFTA_RULE_MAX
239 };
240 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1)
241
242 /**
243 * enum nft_rule_compat_flags - nf_tables rule compat flags
244 *
245 * @NFT_RULE_COMPAT_F_INV: invert the check result
246 */
247 enum nft_rule_compat_flags {
248 NFT_RULE_COMPAT_F_INV = (1 << 1),
249 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,
250 };
251
252 /**
253 * enum nft_rule_compat_attributes - nf_tables rule compat attributes
254 *
255 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)
256 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)
257 */
258 enum nft_rule_compat_attributes {
259 NFTA_RULE_COMPAT_UNSPEC,
260 NFTA_RULE_COMPAT_PROTO,
261 NFTA_RULE_COMPAT_FLAGS,
262 __NFTA_RULE_COMPAT_MAX
263 };
264 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1)
265
266 /**
267 * enum nft_set_flags - nf_tables set flags
268 *
269 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink
270 * @NFT_SET_CONSTANT: set contents may not change while bound
271 * @NFT_SET_INTERVAL: set contains intervals
272 * @NFT_SET_MAP: set is used as a dictionary
273 * @NFT_SET_TIMEOUT: set uses timeouts
274 * @NFT_SET_EVAL: set can be updated from the evaluation path
275 * @NFT_SET_OBJECT: set contains stateful objects
276 */
277 enum nft_set_flags {
278 NFT_SET_ANONYMOUS = 0x1,
279 NFT_SET_CONSTANT = 0x2,
280 NFT_SET_INTERVAL = 0x4,
281 NFT_SET_MAP = 0x8,
282 NFT_SET_TIMEOUT = 0x10,
283 NFT_SET_EVAL = 0x20,
284 NFT_SET_OBJECT = 0x40,
285 };
286
287 /**
288 * enum nft_set_policies - set selection policy
289 *
290 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use
291 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance
292 */
293 enum nft_set_policies {
294 NFT_SET_POL_PERFORMANCE,
295 NFT_SET_POL_MEMORY,
296 };
297
298 /**
299 * enum nft_set_desc_attributes - set element description
300 *
301 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)
302 */
303 enum nft_set_desc_attributes {
304 NFTA_SET_DESC_UNSPEC,
305 NFTA_SET_DESC_SIZE,
306 __NFTA_SET_DESC_MAX
307 };
308 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1)
309
310 /**
311 * enum nft_set_attributes - nf_tables set netlink attributes
312 *
313 * @NFTA_SET_TABLE: table name (NLA_STRING)
314 * @NFTA_SET_NAME: set name (NLA_STRING)
315 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)
316 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)
317 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)
318 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)
319 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)
320 * @NFTA_SET_POLICY: selection policy (NLA_U32)
321 * @NFTA_SET_DESC: set description (NLA_NESTED)
322 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
323 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)
324 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)
325 * @NFTA_SET_USERDATA: user data (NLA_BINARY)
326 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)
327 * @NFTA_SET_HANDLE: set handle (NLA_U64)
328 */
329 enum nft_set_attributes {
330 NFTA_SET_UNSPEC,
331 NFTA_SET_TABLE,
332 NFTA_SET_NAME,
333 NFTA_SET_FLAGS,
334 NFTA_SET_KEY_TYPE,
335 NFTA_SET_KEY_LEN,
336 NFTA_SET_DATA_TYPE,
337 NFTA_SET_DATA_LEN,
338 NFTA_SET_POLICY,
339 NFTA_SET_DESC,
340 NFTA_SET_ID,
341 NFTA_SET_TIMEOUT,
342 NFTA_SET_GC_INTERVAL,
343 NFTA_SET_USERDATA,
344 NFTA_SET_PAD,
345 NFTA_SET_OBJ_TYPE,
346 NFTA_SET_HANDLE,
347 __NFTA_SET_MAX
348 };
349 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1)
350
351 /**
352 * enum nft_set_elem_flags - nf_tables set element flags
353 *
354 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
355 */
356 enum nft_set_elem_flags {
357 NFT_SET_ELEM_INTERVAL_END = 0x1,
358 };
359
360 /**
361 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
362 *
363 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
364 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
365 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
366 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)
367 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
368 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
369 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
370 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
371 */
372 enum nft_set_elem_attributes {
373 NFTA_SET_ELEM_UNSPEC,
374 NFTA_SET_ELEM_KEY,
375 NFTA_SET_ELEM_DATA,
376 NFTA_SET_ELEM_FLAGS,
377 NFTA_SET_ELEM_TIMEOUT,
378 NFTA_SET_ELEM_EXPIRATION,
379 NFTA_SET_ELEM_USERDATA,
380 NFTA_SET_ELEM_EXPR,
381 NFTA_SET_ELEM_PAD,
382 NFTA_SET_ELEM_OBJREF,
383 __NFTA_SET_ELEM_MAX
384 };
385 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)
386
387 /**
388 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
389 *
390 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
391 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
392 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
393 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
394 */
395 enum nft_set_elem_list_attributes {
396 NFTA_SET_ELEM_LIST_UNSPEC,
397 NFTA_SET_ELEM_LIST_TABLE,
398 NFTA_SET_ELEM_LIST_SET,
399 NFTA_SET_ELEM_LIST_ELEMENTS,
400 NFTA_SET_ELEM_LIST_SET_ID,
401 __NFTA_SET_ELEM_LIST_MAX
402 };
403 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)
404
405 /**
406 * enum nft_data_types - nf_tables data types
407 *
408 * @NFT_DATA_VALUE: generic data
409 * @NFT_DATA_VERDICT: netfilter verdict
410 *
411 * The type of data is usually determined by the kernel directly and is not
412 * explicitly specified by userspace. The only difference are sets, where
413 * userspace specifies the key and mapping data types.
414 *
415 * The values 0xffffff00-0xffffffff are reserved for internally used types.
416 * The remaining range can be freely used by userspace to encode types, all
417 * values are equivalent to NFT_DATA_VALUE.
418 */
419 enum nft_data_types {
420 NFT_DATA_VALUE,
421 NFT_DATA_VERDICT = 0xffffff00U,
422 };
423
424 #define NFT_DATA_RESERVED_MASK 0xffffff00U
425
426 /**
427 * enum nft_data_attributes - nf_tables data netlink attributes
428 *
429 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
430 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
431 */
432 enum nft_data_attributes {
433 NFTA_DATA_UNSPEC,
434 NFTA_DATA_VALUE,
435 NFTA_DATA_VERDICT,
436 __NFTA_DATA_MAX
437 };
438 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)
439
440 /* Maximum length of a value */
441 #define NFT_DATA_VALUE_MAXLEN 64
442
443 /**
444 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
445 *
446 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
447 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
448 */
449 enum nft_verdict_attributes {
450 NFTA_VERDICT_UNSPEC,
451 NFTA_VERDICT_CODE,
452 NFTA_VERDICT_CHAIN,
453 __NFTA_VERDICT_MAX
454 };
455 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)
456
457 /**
458 * enum nft_expr_attributes - nf_tables expression netlink attributes
459 *
460 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
461 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
462 */
463 enum nft_expr_attributes {
464 NFTA_EXPR_UNSPEC,
465 NFTA_EXPR_NAME,
466 NFTA_EXPR_DATA,
467 __NFTA_EXPR_MAX
468 };
469 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)
470
471 /**
472 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
473 *
474 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
475 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
476 */
477 enum nft_immediate_attributes {
478 NFTA_IMMEDIATE_UNSPEC,
479 NFTA_IMMEDIATE_DREG,
480 NFTA_IMMEDIATE_DATA,
481 __NFTA_IMMEDIATE_MAX
482 };
483 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)
484
485 /**
486 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
487 *
488 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
489 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
490 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
491 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
492 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
493 *
494 * The bitwise expression performs the following operation:
495 *
496 * dreg = (sreg & mask) ^ xor
497 *
498 * which allow to express all bitwise operations:
499 *
500 * mask xor
501 * NOT: 1 1
502 * OR: 0 x
503 * XOR: 1 x
504 * AND: x 0
505 */
506 enum nft_bitwise_attributes {
507 NFTA_BITWISE_UNSPEC,
508 NFTA_BITWISE_SREG,
509 NFTA_BITWISE_DREG,
510 NFTA_BITWISE_LEN,
511 NFTA_BITWISE_MASK,
512 NFTA_BITWISE_XOR,
513 __NFTA_BITWISE_MAX
514 };
515 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)
516
517 /**
518 * enum nft_byteorder_ops - nf_tables byteorder operators
519 *
520 * @NFT_BYTEORDER_NTOH: network to host operator
521 * @NFT_BYTEORDER_HTON: host to network operator
522 */
523 enum nft_byteorder_ops {
524 NFT_BYTEORDER_NTOH,
525 NFT_BYTEORDER_HTON,
526 };
527
528 /**
529 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
530 *
531 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
532 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
533 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
534 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
535 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
536 */
537 enum nft_byteorder_attributes {
538 NFTA_BYTEORDER_UNSPEC,
539 NFTA_BYTEORDER_SREG,
540 NFTA_BYTEORDER_DREG,
541 NFTA_BYTEORDER_OP,
542 NFTA_BYTEORDER_LEN,
543 NFTA_BYTEORDER_SIZE,
544 __NFTA_BYTEORDER_MAX
545 };
546 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)
547
548 /**
549 * enum nft_cmp_ops - nf_tables relational operator
550 *
551 * @NFT_CMP_EQ: equal
552 * @NFT_CMP_NEQ: not equal
553 * @NFT_CMP_LT: less than
554 * @NFT_CMP_LTE: less than or equal to
555 * @NFT_CMP_GT: greater than
556 * @NFT_CMP_GTE: greater than or equal to
557 */
558 enum nft_cmp_ops {
559 NFT_CMP_EQ,
560 NFT_CMP_NEQ,
561 NFT_CMP_LT,
562 NFT_CMP_LTE,
563 NFT_CMP_GT,
564 NFT_CMP_GTE,
565 };
566
567 /**
568 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
569 *
570 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
571 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
572 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
573 */
574 enum nft_cmp_attributes {
575 NFTA_CMP_UNSPEC,
576 NFTA_CMP_SREG,
577 NFTA_CMP_OP,
578 NFTA_CMP_DATA,
579 __NFTA_CMP_MAX
580 };
581 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)
582
583 /**
584 * enum nft_range_ops - nf_tables range operator
585 *
586 * @NFT_RANGE_EQ: equal
587 * @NFT_RANGE_NEQ: not equal
588 */
589 enum nft_range_ops {
590 NFT_RANGE_EQ,
591 NFT_RANGE_NEQ,
592 };
593
594 /**
595 * enum nft_range_attributes - nf_tables range expression netlink attributes
596 *
597 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
598 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops)
599 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
600 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
601 */
602 enum nft_range_attributes {
603 NFTA_RANGE_UNSPEC,
604 NFTA_RANGE_SREG,
605 NFTA_RANGE_OP,
606 NFTA_RANGE_FROM_DATA,
607 NFTA_RANGE_TO_DATA,
608 __NFTA_RANGE_MAX
609 };
610 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)
611
612 enum nft_lookup_flags {
613 NFT_LOOKUP_F_INV = (1 << 0),
614 };
615
616 /**
617 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
618 *
619 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
620 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
621 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
622 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
623 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
624 */
625 enum nft_lookup_attributes {
626 NFTA_LOOKUP_UNSPEC,
627 NFTA_LOOKUP_SET,
628 NFTA_LOOKUP_SREG,
629 NFTA_LOOKUP_DREG,
630 NFTA_LOOKUP_SET_ID,
631 NFTA_LOOKUP_FLAGS,
632 __NFTA_LOOKUP_MAX
633 };
634 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)
635
636 enum nft_dynset_ops {
637 NFT_DYNSET_OP_ADD,
638 NFT_DYNSET_OP_UPDATE,
639 NFT_DYNSET_OP_DELETE,
640 };
641
642 enum nft_dynset_flags {
643 NFT_DYNSET_F_INV = (1 << 0),
644 };
645
646 /**
647 * enum nft_dynset_attributes - dynset expression attributes
648 *
649 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
650 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
651 * @NFTA_DYNSET_OP: operation (NLA_U32)
652 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
653 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
654 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
655 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
656 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
657 */
658 enum nft_dynset_attributes {
659 NFTA_DYNSET_UNSPEC,
660 NFTA_DYNSET_SET_NAME,
661 NFTA_DYNSET_SET_ID,
662 NFTA_DYNSET_OP,
663 NFTA_DYNSET_SREG_KEY,
664 NFTA_DYNSET_SREG_DATA,
665 NFTA_DYNSET_TIMEOUT,
666 NFTA_DYNSET_EXPR,
667 NFTA_DYNSET_PAD,
668 NFTA_DYNSET_FLAGS,
669 __NFTA_DYNSET_MAX,
670 };
671 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)
672
673 /**
674 * enum nft_payload_bases - nf_tables payload expression offset bases
675 *
676 * @NFT_PAYLOAD_LL_HEADER: link layer header
677 * @NFT_PAYLOAD_NETWORK_HEADER: network header
678 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
679 */
680 enum nft_payload_bases {
681 NFT_PAYLOAD_LL_HEADER,
682 NFT_PAYLOAD_NETWORK_HEADER,
683 NFT_PAYLOAD_TRANSPORT_HEADER,
684 };
685
686 /**
687 * enum nft_payload_csum_types - nf_tables payload expression checksum types
688 *
689 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
690 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
691 */
692 enum nft_payload_csum_types {
693 NFT_PAYLOAD_CSUM_NONE,
694 NFT_PAYLOAD_CSUM_INET,
695 };
696
697 enum nft_payload_csum_flags {
698 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
699 };
700
701 /**
702 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
703 *
704 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
705 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
706 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
707 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
708 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
709 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
710 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
711 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
712 */
713 enum nft_payload_attributes {
714 NFTA_PAYLOAD_UNSPEC,
715 NFTA_PAYLOAD_DREG,
716 NFTA_PAYLOAD_BASE,
717 NFTA_PAYLOAD_OFFSET,
718 NFTA_PAYLOAD_LEN,
719 NFTA_PAYLOAD_SREG,
720 NFTA_PAYLOAD_CSUM_TYPE,
721 NFTA_PAYLOAD_CSUM_OFFSET,
722 NFTA_PAYLOAD_CSUM_FLAGS,
723 __NFTA_PAYLOAD_MAX
724 };
725 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)
726
727 enum nft_exthdr_flags {
728 NFT_EXTHDR_F_PRESENT = (1 << 0),
729 };
730
731 /**
732 * enum nft_exthdr_op - nf_tables match options
733 *
734 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
735 * @NFT_EXTHDR_OP_TCP: match against tcp options
736 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options
737 */
738 enum nft_exthdr_op {
739 NFT_EXTHDR_OP_IPV6,
740 NFT_EXTHDR_OP_TCPOPT,
741 NFT_EXTHDR_OP_IPV4,
742 __NFT_EXTHDR_OP_MAX
743 };
744 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)
745
746 /**
747 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
748 *
749 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
750 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
751 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
752 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
753 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
754 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
755 * @NFTA_EXTHDR_SREG: option match type (NLA_U32)
756 */
757 enum nft_exthdr_attributes {
758 NFTA_EXTHDR_UNSPEC,
759 NFTA_EXTHDR_DREG,
760 NFTA_EXTHDR_TYPE,
761 NFTA_EXTHDR_OFFSET,
762 NFTA_EXTHDR_LEN,
763 NFTA_EXTHDR_FLAGS,
764 NFTA_EXTHDR_OP,
765 NFTA_EXTHDR_SREG,
766 __NFTA_EXTHDR_MAX
767 };
768 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)
769
770 /**
771 * enum nft_meta_keys - nf_tables meta expression keys
772 *
773 * @NFT_META_LEN: packet length (skb->len)
774 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
775 * @NFT_META_PRIORITY: packet priority (skb->priority)
776 * @NFT_META_MARK: packet mark (skb->mark)
777 * @NFT_META_IIF: packet input interface index (dev->ifindex)
778 * @NFT_META_OIF: packet output interface index (dev->ifindex)
779 * @NFT_META_IIFNAME: packet input interface name (dev->name)
780 * @NFT_META_OIFNAME: packet output interface name (dev->name)
781 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
782 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
783 * @NFT_META_SKUID: originating socket UID (fsuid)
784 * @NFT_META_SKGID: originating socket GID (fsgid)
785 * @NFT_META_NFTRACE: packet nftrace bit
786 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
787 * @NFT_META_SECMARK: packet secmark (skb->secmark)
788 * @NFT_META_NFPROTO: netfilter protocol
789 * @NFT_META_L4PROTO: layer 4 protocol number
790 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
791 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
792 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
793 * @NFT_META_CPU: cpu id through smp_processor_id()
794 * @NFT_META_IIFGROUP: packet input interface group
795 * @NFT_META_OIFGROUP: packet output interface group
796 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
797 * @NFT_META_PRANDOM: a 32bit pseudo-random number
798 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
799 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
800 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
801 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid
802 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto
803 * @NFT_META_TIME_NS: time since epoch (in nanoseconds)
804 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday)
805 * @NFT_META_TIME_HOUR: hour of day (in seconds)
806 */
807 enum nft_meta_keys {
808 NFT_META_LEN,
809 NFT_META_PROTOCOL,
810 NFT_META_PRIORITY,
811 NFT_META_MARK,
812 NFT_META_IIF,
813 NFT_META_OIF,
814 NFT_META_IIFNAME,
815 NFT_META_OIFNAME,
816 NFT_META_IIFTYPE,
817 NFT_META_OIFTYPE,
818 NFT_META_SKUID,
819 NFT_META_SKGID,
820 NFT_META_NFTRACE,
821 NFT_META_RTCLASSID,
822 NFT_META_SECMARK,
823 NFT_META_NFPROTO,
824 NFT_META_L4PROTO,
825 NFT_META_BRI_IIFNAME,
826 NFT_META_BRI_OIFNAME,
827 NFT_META_PKTTYPE,
828 NFT_META_CPU,
829 NFT_META_IIFGROUP,
830 NFT_META_OIFGROUP,
831 NFT_META_CGROUP,
832 NFT_META_PRANDOM,
833 NFT_META_SECPATH,
834 NFT_META_IIFKIND,
835 NFT_META_OIFKIND,
836 NFT_META_BRI_IIFPVID,
837 NFT_META_BRI_IIFVPROTO,
838 NFT_META_TIME_NS,
839 NFT_META_TIME_DAY,
840 NFT_META_TIME_HOUR,
841 };
842
843 /**
844 * enum nft_rt_keys - nf_tables routing expression keys
845 *
846 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
847 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
848 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
849 * @NFT_RT_TCPMSS: fetch current path tcp mss
850 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL
851 */
852 enum nft_rt_keys {
853 NFT_RT_CLASSID,
854 NFT_RT_NEXTHOP4,
855 NFT_RT_NEXTHOP6,
856 NFT_RT_TCPMSS,
857 NFT_RT_XFRM,
858 __NFT_RT_MAX
859 };
860 #define NFT_RT_MAX (__NFT_RT_MAX - 1)
861
862 /**
863 * enum nft_hash_types - nf_tables hash expression types
864 *
865 * @NFT_HASH_JENKINS: Jenkins Hash
866 * @NFT_HASH_SYM: Symmetric Hash
867 */
868 enum nft_hash_types {
869 NFT_HASH_JENKINS,
870 NFT_HASH_SYM,
871 };
872
873 /**
874 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
875 *
876 * @NFTA_HASH_SREG: source register (NLA_U32)
877 * @NFTA_HASH_DREG: destination register (NLA_U32)
878 * @NFTA_HASH_LEN: source data length (NLA_U32)
879 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
880 * @NFTA_HASH_SEED: seed value (NLA_U32)
881 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
882 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
883 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
884 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
885 */
886 enum nft_hash_attributes {
887 NFTA_HASH_UNSPEC,
888 NFTA_HASH_SREG,
889 NFTA_HASH_DREG,
890 NFTA_HASH_LEN,
891 NFTA_HASH_MODULUS,
892 NFTA_HASH_SEED,
893 NFTA_HASH_OFFSET,
894 NFTA_HASH_TYPE,
895 NFTA_HASH_SET_NAME, /* deprecated */
896 NFTA_HASH_SET_ID, /* deprecated */
897 __NFTA_HASH_MAX,
898 };
899 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)
900
901 /**
902 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
903 *
904 * @NFTA_META_DREG: destination register (NLA_U32)
905 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
906 * @NFTA_META_SREG: source register (NLA_U32)
907 */
908 enum nft_meta_attributes {
909 NFTA_META_UNSPEC,
910 NFTA_META_DREG,
911 NFTA_META_KEY,
912 NFTA_META_SREG,
913 __NFTA_META_MAX
914 };
915 #define NFTA_META_MAX (__NFTA_META_MAX - 1)
916
917 /**
918 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
919 *
920 * @NFTA_RT_DREG: destination register (NLA_U32)
921 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
922 */
923 enum nft_rt_attributes {
924 NFTA_RT_UNSPEC,
925 NFTA_RT_DREG,
926 NFTA_RT_KEY,
927 __NFTA_RT_MAX
928 };
929 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1)
930
931 /**
932 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
933 *
934 * @NFTA_SOCKET_KEY: socket key to match
935 * @NFTA_SOCKET_DREG: destination register
936 */
937 enum nft_socket_attributes {
938 NFTA_SOCKET_UNSPEC,
939 NFTA_SOCKET_KEY,
940 NFTA_SOCKET_DREG,
941 __NFTA_SOCKET_MAX
942 };
943 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)
944
945 /*
946 * enum nft_socket_keys - nf_tables socket expression keys
947 *
948 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option
949 * @NFT_SOCKET_MARK: Value of the socket mark
950 */
951 enum nft_socket_keys {
952 NFT_SOCKET_TRANSPARENT,
953 NFT_SOCKET_MARK,
954 __NFT_SOCKET_MAX
955 };
956 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)
957
958 /**
959 * enum nft_ct_keys - nf_tables ct expression keys
960 *
961 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
962 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
963 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
964 * @NFT_CT_MARK: conntrack mark value
965 * @NFT_CT_SECMARK: conntrack secmark value
966 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
967 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
968 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
969 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
970 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
971 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
972 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
973 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
974 * @NFT_CT_LABELS: conntrack labels
975 * @NFT_CT_PKTS: conntrack packets
976 * @NFT_CT_BYTES: conntrack bytes
977 * @NFT_CT_AVGPKT: conntrack average bytes per packet
978 * @NFT_CT_ZONE: conntrack zone
979 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
980 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
981 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
982 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
983 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
984 * @NFT_CT_ID: conntrack id
985 */
986 enum nft_ct_keys {
987 NFT_CT_STATE,
988 NFT_CT_DIRECTION,
989 NFT_CT_STATUS,
990 NFT_CT_MARK,
991 NFT_CT_SECMARK,
992 NFT_CT_EXPIRATION,
993 NFT_CT_HELPER,
994 NFT_CT_L3PROTOCOL,
995 NFT_CT_SRC,
996 NFT_CT_DST,
997 NFT_CT_PROTOCOL,
998 NFT_CT_PROTO_SRC,
999 NFT_CT_PROTO_DST,
1000 NFT_CT_LABELS,
1001 NFT_CT_PKTS,
1002 NFT_CT_BYTES,
1003 NFT_CT_AVGPKT,
1004 NFT_CT_ZONE,
1005 NFT_CT_EVENTMASK,
1006 NFT_CT_SRC_IP,
1007 NFT_CT_DST_IP,
1008 NFT_CT_SRC_IP6,
1009 NFT_CT_DST_IP6,
1010 NFT_CT_ID,
1011 __NFT_CT_MAX
1012 };
1013 #define NFT_CT_MAX (__NFT_CT_MAX - 1)
1014
1015 /**
1016 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
1017 *
1018 * @NFTA_CT_DREG: destination register (NLA_U32)
1019 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
1020 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
1021 * @NFTA_CT_SREG: source register (NLA_U32)
1022 */
1023 enum nft_ct_attributes {
1024 NFTA_CT_UNSPEC,
1025 NFTA_CT_DREG,
1026 NFTA_CT_KEY,
1027 NFTA_CT_DIRECTION,
1028 NFTA_CT_SREG,
1029 __NFTA_CT_MAX
1030 };
1031 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
1032
1033 /**
1034 * enum nft_flow_attributes - ct offload expression attributes
1035 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1036 */
1037 enum nft_offload_attributes {
1038 NFTA_FLOW_UNSPEC,
1039 NFTA_FLOW_TABLE_NAME,
1040 __NFTA_FLOW_MAX,
1041 };
1042 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)
1043
1044 enum nft_limit_type {
1045 NFT_LIMIT_PKTS,
1046 NFT_LIMIT_PKT_BYTES
1047 };
1048
1049 enum nft_limit_flags {
1050 NFT_LIMIT_F_INV = (1 << 0),
1051 };
1052
1053 /**
1054 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1055 *
1056 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1057 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1058 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1059 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1060 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1061 */
1062 enum nft_limit_attributes {
1063 NFTA_LIMIT_UNSPEC,
1064 NFTA_LIMIT_RATE,
1065 NFTA_LIMIT_UNIT,
1066 NFTA_LIMIT_BURST,
1067 NFTA_LIMIT_TYPE,
1068 NFTA_LIMIT_FLAGS,
1069 NFTA_LIMIT_PAD,
1070 __NFTA_LIMIT_MAX
1071 };
1072 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
1073
1074 enum nft_connlimit_flags {
1075 NFT_CONNLIMIT_F_INV = (1 << 0),
1076 };
1077
1078 /**
1079 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1080 *
1081 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1082 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1083 */
1084 enum nft_connlimit_attributes {
1085 NFTA_CONNLIMIT_UNSPEC,
1086 NFTA_CONNLIMIT_COUNT,
1087 NFTA_CONNLIMIT_FLAGS,
1088 __NFTA_CONNLIMIT_MAX
1089 };
1090 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)
1091
1092 /**
1093 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1094 *
1095 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1096 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1097 */
1098 enum nft_counter_attributes {
1099 NFTA_COUNTER_UNSPEC,
1100 NFTA_COUNTER_BYTES,
1101 NFTA_COUNTER_PACKETS,
1102 NFTA_COUNTER_PAD,
1103 __NFTA_COUNTER_MAX
1104 };
1105 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)
1106
1107 /**
1108 * enum nft_log_attributes - nf_tables log expression netlink attributes
1109 *
1110 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32)
1111 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1112 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1113 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32)
1114 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1115 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1116 */
1117 enum nft_log_attributes {
1118 NFTA_LOG_UNSPEC,
1119 NFTA_LOG_GROUP,
1120 NFTA_LOG_PREFIX,
1121 NFTA_LOG_SNAPLEN,
1122 NFTA_LOG_QTHRESHOLD,
1123 NFTA_LOG_LEVEL,
1124 NFTA_LOG_FLAGS,
1125 __NFTA_LOG_MAX
1126 };
1127 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)
1128
1129 /**
1130 * enum nft_log_level - nf_tables log levels
1131 *
1132 * @NFT_LOGLEVEL_EMERG: system is unusable
1133 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
1134 * @NFT_LOGLEVEL_CRIT: critical conditions
1135 * @NFT_LOGLEVEL_ERR: error conditions
1136 * @NFT_LOGLEVEL_WARNING: warning conditions
1137 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
1138 * @NFT_LOGLEVEL_INFO: informational
1139 * @NFT_LOGLEVEL_DEBUG: debug-level messages
1140 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
1141 */
1142 enum nft_log_level {
1143 NFT_LOGLEVEL_EMERG,
1144 NFT_LOGLEVEL_ALERT,
1145 NFT_LOGLEVEL_CRIT,
1146 NFT_LOGLEVEL_ERR,
1147 NFT_LOGLEVEL_WARNING,
1148 NFT_LOGLEVEL_NOTICE,
1149 NFT_LOGLEVEL_INFO,
1150 NFT_LOGLEVEL_DEBUG,
1151 NFT_LOGLEVEL_AUDIT,
1152 __NFT_LOGLEVEL_MAX
1153 };
1154 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1)
1155
1156 /**
1157 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1158 *
1159 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1160 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1161 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1162 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1163 */
1164 enum nft_queue_attributes {
1165 NFTA_QUEUE_UNSPEC,
1166 NFTA_QUEUE_NUM,
1167 NFTA_QUEUE_TOTAL,
1168 NFTA_QUEUE_FLAGS,
1169 NFTA_QUEUE_SREG_QNUM,
1170 __NFTA_QUEUE_MAX
1171 };
1172 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)
1173
1174 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */
1175 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */
1176 #define NFT_QUEUE_FLAG_MASK 0x03
1177
1178 enum nft_quota_flags {
1179 NFT_QUOTA_F_INV = (1 << 0),
1180 NFT_QUOTA_F_DEPLETED = (1 << 1),
1181 };
1182
1183 /**
1184 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1185 *
1186 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1187 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1188 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1189 */
1190 enum nft_quota_attributes {
1191 NFTA_QUOTA_UNSPEC,
1192 NFTA_QUOTA_BYTES,
1193 NFTA_QUOTA_FLAGS,
1194 NFTA_QUOTA_PAD,
1195 NFTA_QUOTA_CONSUMED,
1196 __NFTA_QUOTA_MAX
1197 };
1198 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)
1199
1200 /**
1201 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes
1202 *
1203 * @NFTA_SECMARK_CTX: security context (NLA_STRING)
1204 */
1205 enum nft_secmark_attributes {
1206 NFTA_SECMARK_UNSPEC,
1207 NFTA_SECMARK_CTX,
1208 __NFTA_SECMARK_MAX,
1209 };
1210 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1)
1211
1212 /* Max security context length */
1213 #define NFT_SECMARK_CTX_MAXLEN 256
1214
1215 /**
1216 * enum nft_reject_types - nf_tables reject expression reject types
1217 *
1218 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1219 * @NFT_REJECT_TCP_RST: reject using TCP RST
1220 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1221 */
1222 enum nft_reject_types {
1223 NFT_REJECT_ICMP_UNREACH,
1224 NFT_REJECT_TCP_RST,
1225 NFT_REJECT_ICMPX_UNREACH,
1226 };
1227
1228 /**
1229 * enum nft_reject_code - Generic reject codes for IPv4/IPv6
1230 *
1231 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1232 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1233 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1234 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1235 *
1236 * These codes are mapped to real ICMP and ICMPv6 codes.
1237 */
1238 enum nft_reject_inet_code {
1239 NFT_REJECT_ICMPX_NO_ROUTE = 0,
1240 NFT_REJECT_ICMPX_PORT_UNREACH,
1241 NFT_REJECT_ICMPX_HOST_UNREACH,
1242 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1243 __NFT_REJECT_ICMPX_MAX
1244 };
1245 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)
1246
1247 /**
1248 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1249 *
1250 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1251 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1252 */
1253 enum nft_reject_attributes {
1254 NFTA_REJECT_UNSPEC,
1255 NFTA_REJECT_TYPE,
1256 NFTA_REJECT_ICMP_CODE,
1257 __NFTA_REJECT_MAX
1258 };
1259 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)
1260
1261 /**
1262 * enum nft_nat_types - nf_tables nat expression NAT types
1263 *
1264 * @NFT_NAT_SNAT: source NAT
1265 * @NFT_NAT_DNAT: destination NAT
1266 */
1267 enum nft_nat_types {
1268 NFT_NAT_SNAT,
1269 NFT_NAT_DNAT,
1270 };
1271
1272 /**
1273 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1274 *
1275 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1276 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1277 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1278 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1279 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1280 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1281 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1282 */
1283 enum nft_nat_attributes {
1284 NFTA_NAT_UNSPEC,
1285 NFTA_NAT_TYPE,
1286 NFTA_NAT_FAMILY,
1287 NFTA_NAT_REG_ADDR_MIN,
1288 NFTA_NAT_REG_ADDR_MAX,
1289 NFTA_NAT_REG_PROTO_MIN,
1290 NFTA_NAT_REG_PROTO_MAX,
1291 NFTA_NAT_FLAGS,
1292 __NFTA_NAT_MAX
1293 };
1294 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)
1295
1296 /**
1297 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
1298 *
1299 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
1300 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
1301 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
1302 */
1303 enum nft_tproxy_attributes {
1304 NFTA_TPROXY_UNSPEC,
1305 NFTA_TPROXY_FAMILY,
1306 NFTA_TPROXY_REG_ADDR,
1307 NFTA_TPROXY_REG_PORT,
1308 __NFTA_TPROXY_MAX
1309 };
1310 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1)
1311
1312 /**
1313 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1314 *
1315 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1316 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1317 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1318 */
1319 enum nft_masq_attributes {
1320 NFTA_MASQ_UNSPEC,
1321 NFTA_MASQ_FLAGS,
1322 NFTA_MASQ_REG_PROTO_MIN,
1323 NFTA_MASQ_REG_PROTO_MAX,
1324 __NFTA_MASQ_MAX
1325 };
1326 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)
1327
1328 /**
1329 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1330 *
1331 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1332 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1333 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1334 */
1335 enum nft_redir_attributes {
1336 NFTA_REDIR_UNSPEC,
1337 NFTA_REDIR_REG_PROTO_MIN,
1338 NFTA_REDIR_REG_PROTO_MAX,
1339 NFTA_REDIR_FLAGS,
1340 __NFTA_REDIR_MAX
1341 };
1342 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
1343
1344 /**
1345 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1346 *
1347 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1348 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1349 */
1350 enum nft_dup_attributes {
1351 NFTA_DUP_UNSPEC,
1352 NFTA_DUP_SREG_ADDR,
1353 NFTA_DUP_SREG_DEV,
1354 __NFTA_DUP_MAX
1355 };
1356 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
1357
1358 /**
1359 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1360 *
1361 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1362 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1363 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1364 */
1365 enum nft_fwd_attributes {
1366 NFTA_FWD_UNSPEC,
1367 NFTA_FWD_SREG_DEV,
1368 NFTA_FWD_SREG_ADDR,
1369 NFTA_FWD_NFPROTO,
1370 __NFTA_FWD_MAX
1371 };
1372 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
1373
1374 /**
1375 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1376 *
1377 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1378 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1379 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1380 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1381 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1382 */
1383 enum nft_objref_attributes {
1384 NFTA_OBJREF_UNSPEC,
1385 NFTA_OBJREF_IMM_TYPE,
1386 NFTA_OBJREF_IMM_NAME,
1387 NFTA_OBJREF_SET_SREG,
1388 NFTA_OBJREF_SET_NAME,
1389 NFTA_OBJREF_SET_ID,
1390 __NFTA_OBJREF_MAX
1391 };
1392 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
1393
1394 /**
1395 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1396 *
1397 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1398 */
1399 enum nft_gen_attributes {
1400 NFTA_GEN_UNSPEC,
1401 NFTA_GEN_ID,
1402 NFTA_GEN_PROC_PID,
1403 NFTA_GEN_PROC_NAME,
1404 __NFTA_GEN_MAX
1405 };
1406 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)
1407
1408 /*
1409 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1410 *
1411 * @NFTA_FIB_DREG: destination register (NLA_U32)
1412 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1413 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1414 *
1415 * The FIB expression performs a route lookup according
1416 * to the packet data.
1417 */
1418 enum nft_fib_attributes {
1419 NFTA_FIB_UNSPEC,
1420 NFTA_FIB_DREG,
1421 NFTA_FIB_RESULT,
1422 NFTA_FIB_FLAGS,
1423 __NFTA_FIB_MAX
1424 };
1425 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1426
1427 enum nft_fib_result {
1428 NFT_FIB_RESULT_UNSPEC,
1429 NFT_FIB_RESULT_OIF,
1430 NFT_FIB_RESULT_OIFNAME,
1431 NFT_FIB_RESULT_ADDRTYPE,
1432 __NFT_FIB_RESULT_MAX
1433 };
1434 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)
1435
1436 enum nft_fib_flags {
1437 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */
1438 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */
1439 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */
1440 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */
1441 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */
1442 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */
1443 };
1444
1445 enum nft_ct_helper_attributes {
1446 NFTA_CT_HELPER_UNSPEC,
1447 NFTA_CT_HELPER_NAME,
1448 NFTA_CT_HELPER_L3PROTO,
1449 NFTA_CT_HELPER_L4PROTO,
1450 __NFTA_CT_HELPER_MAX,
1451 };
1452 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)
1453
1454 enum nft_ct_timeout_timeout_attributes {
1455 NFTA_CT_TIMEOUT_UNSPEC,
1456 NFTA_CT_TIMEOUT_L3PROTO,
1457 NFTA_CT_TIMEOUT_L4PROTO,
1458 NFTA_CT_TIMEOUT_DATA,
1459 __NFTA_CT_TIMEOUT_MAX,
1460 };
1461 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1)
1462
1463 enum nft_ct_expectation_attributes {
1464 NFTA_CT_EXPECT_UNSPEC,
1465 NFTA_CT_EXPECT_L3PROTO,
1466 NFTA_CT_EXPECT_L4PROTO,
1467 NFTA_CT_EXPECT_DPORT,
1468 NFTA_CT_EXPECT_TIMEOUT,
1469 NFTA_CT_EXPECT_SIZE,
1470 __NFTA_CT_EXPECT_MAX,
1471 };
1472 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1)
1473
1474 #define NFT_OBJECT_UNSPEC 0
1475 #define NFT_OBJECT_COUNTER 1
1476 #define NFT_OBJECT_QUOTA 2
1477 #define NFT_OBJECT_CT_HELPER 3
1478 #define NFT_OBJECT_LIMIT 4
1479 #define NFT_OBJECT_CONNLIMIT 5
1480 #define NFT_OBJECT_TUNNEL 6
1481 #define NFT_OBJECT_CT_TIMEOUT 7
1482 #define NFT_OBJECT_SECMARK 8
1483 #define NFT_OBJECT_CT_EXPECT 9
1484 #define NFT_OBJECT_SYNPROXY 10
1485 #define __NFT_OBJECT_MAX 11
1486 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)
1487
1488 /**
1489 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1490 *
1491 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1492 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1493 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1494 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1495 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1496 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1497 */
1498 enum nft_object_attributes {
1499 NFTA_OBJ_UNSPEC,
1500 NFTA_OBJ_TABLE,
1501 NFTA_OBJ_NAME,
1502 NFTA_OBJ_TYPE,
1503 NFTA_OBJ_DATA,
1504 NFTA_OBJ_USE,
1505 NFTA_OBJ_HANDLE,
1506 NFTA_OBJ_PAD,
1507 __NFTA_OBJ_MAX
1508 };
1509 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)
1510
1511 /**
1512 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1513 *
1514 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1515 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1516 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)
1517 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1518 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1519 */
1520 enum nft_flowtable_attributes {
1521 NFTA_FLOWTABLE_UNSPEC,
1522 NFTA_FLOWTABLE_TABLE,
1523 NFTA_FLOWTABLE_NAME,
1524 NFTA_FLOWTABLE_HOOK,
1525 NFTA_FLOWTABLE_USE,
1526 NFTA_FLOWTABLE_HANDLE,
1527 NFTA_FLOWTABLE_PAD,
1528 __NFTA_FLOWTABLE_MAX
1529 };
1530 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)
1531
1532 /**
1533 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1534 *
1535 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1536 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1537 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1538 */
1539 enum nft_flowtable_hook_attributes {
1540 NFTA_FLOWTABLE_HOOK_UNSPEC,
1541 NFTA_FLOWTABLE_HOOK_NUM,
1542 NFTA_FLOWTABLE_HOOK_PRIORITY,
1543 NFTA_FLOWTABLE_HOOK_DEVS,
1544 __NFTA_FLOWTABLE_HOOK_MAX
1545 };
1546 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)
1547
1548 /**
1549 * enum nft_osf_attributes - nftables osf expression netlink attributes
1550 *
1551 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers)
1552 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8)
1553 * @NFTA_OSF_FLAGS: flags (NLA_U32)
1554 */
1555 enum nft_osf_attributes {
1556 NFTA_OSF_UNSPEC,
1557 NFTA_OSF_DREG,
1558 NFTA_OSF_TTL,
1559 NFTA_OSF_FLAGS,
1560 __NFTA_OSF_MAX,
1561 };
1562 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)
1563
1564 enum nft_osf_flags {
1565 NFT_OSF_F_VERSION = (1 << 0),
1566 };
1567
1568 /**
1569 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes
1570 *
1571 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16)
1572 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8)
1573 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32)
1574 */
1575 enum nft_synproxy_attributes {
1576 NFTA_SYNPROXY_UNSPEC,
1577 NFTA_SYNPROXY_MSS,
1578 NFTA_SYNPROXY_WSCALE,
1579 NFTA_SYNPROXY_FLAGS,
1580 __NFTA_SYNPROXY_MAX,
1581 };
1582 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1)
1583
1584 /**
1585 * enum nft_device_attributes - nf_tables device netlink attributes
1586 *
1587 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1588 */
1589 enum nft_devices_attributes {
1590 NFTA_DEVICE_UNSPEC,
1591 NFTA_DEVICE_NAME,
1592 __NFTA_DEVICE_MAX
1593 };
1594 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
1595
1596 /*
1597 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
1598 *
1599 * @NFTA_XFRM_DREG: destination register (NLA_U32)
1600 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
1601 * @NFTA_XFRM_DIR: direction (NLA_U8)
1602 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
1603 */
1604 enum nft_xfrm_attributes {
1605 NFTA_XFRM_UNSPEC,
1606 NFTA_XFRM_DREG,
1607 NFTA_XFRM_KEY,
1608 NFTA_XFRM_DIR,
1609 NFTA_XFRM_SPNUM,
1610 __NFTA_XFRM_MAX
1611 };
1612 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)
1613
1614 enum nft_xfrm_keys {
1615 NFT_XFRM_KEY_UNSPEC,
1616 NFT_XFRM_KEY_DADDR_IP4,
1617 NFT_XFRM_KEY_DADDR_IP6,
1618 NFT_XFRM_KEY_SADDR_IP4,
1619 NFT_XFRM_KEY_SADDR_IP6,
1620 NFT_XFRM_KEY_REQID,
1621 NFT_XFRM_KEY_SPI,
1622 __NFT_XFRM_KEY_MAX,
1623 };
1624 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)
1625
1626 /**
1627 * enum nft_trace_attributes - nf_tables trace netlink attributes
1628 *
1629 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1630 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1631 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1632 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1633 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1634 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1635 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1636 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1637 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1638 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1639 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1640 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1641 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1642 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1643 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1644 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1645 */
1646 enum nft_trace_attributes {
1647 NFTA_TRACE_UNSPEC,
1648 NFTA_TRACE_TABLE,
1649 NFTA_TRACE_CHAIN,
1650 NFTA_TRACE_RULE_HANDLE,
1651 NFTA_TRACE_TYPE,
1652 NFTA_TRACE_VERDICT,
1653 NFTA_TRACE_ID,
1654 NFTA_TRACE_LL_HEADER,
1655 NFTA_TRACE_NETWORK_HEADER,
1656 NFTA_TRACE_TRANSPORT_HEADER,
1657 NFTA_TRACE_IIF,
1658 NFTA_TRACE_IIFTYPE,
1659 NFTA_TRACE_OIF,
1660 NFTA_TRACE_OIFTYPE,
1661 NFTA_TRACE_MARK,
1662 NFTA_TRACE_NFPROTO,
1663 NFTA_TRACE_POLICY,
1664 NFTA_TRACE_PAD,
1665 __NFTA_TRACE_MAX
1666 };
1667 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1668
1669 enum nft_trace_types {
1670 NFT_TRACETYPE_UNSPEC,
1671 NFT_TRACETYPE_POLICY,
1672 NFT_TRACETYPE_RETURN,
1673 NFT_TRACETYPE_RULE,
1674 __NFT_TRACETYPE_MAX
1675 };
1676 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1677
1678 /**
1679 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1680 *
1681 * @NFTA_NG_DREG: destination register (NLA_U32)
1682 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1683 * @NFTA_NG_TYPE: operation type (NLA_U32)
1684 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1685 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1686 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1687 */
1688 enum nft_ng_attributes {
1689 NFTA_NG_UNSPEC,
1690 NFTA_NG_DREG,
1691 NFTA_NG_MODULUS,
1692 NFTA_NG_TYPE,
1693 NFTA_NG_OFFSET,
1694 NFTA_NG_SET_NAME, /* deprecated */
1695 NFTA_NG_SET_ID, /* deprecated */
1696 __NFTA_NG_MAX
1697 };
1698 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1)
1699
1700 enum nft_ng_types {
1701 NFT_NG_INCREMENTAL,
1702 NFT_NG_RANDOM,
1703 __NFT_NG_MAX
1704 };
1705 #define NFT_NG_MAX (__NFT_NG_MAX - 1)
1706
1707 enum nft_tunnel_key_ip_attributes {
1708 NFTA_TUNNEL_KEY_IP_UNSPEC,
1709 NFTA_TUNNEL_KEY_IP_SRC,
1710 NFTA_TUNNEL_KEY_IP_DST,
1711 __NFTA_TUNNEL_KEY_IP_MAX
1712 };
1713 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1)
1714
1715 enum nft_tunnel_ip6_attributes {
1716 NFTA_TUNNEL_KEY_IP6_UNSPEC,
1717 NFTA_TUNNEL_KEY_IP6_SRC,
1718 NFTA_TUNNEL_KEY_IP6_DST,
1719 NFTA_TUNNEL_KEY_IP6_FLOWLABEL,
1720 __NFTA_TUNNEL_KEY_IP6_MAX
1721 };
1722 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1)
1723
1724 enum nft_tunnel_opts_attributes {
1725 NFTA_TUNNEL_KEY_OPTS_UNSPEC,
1726 NFTA_TUNNEL_KEY_OPTS_VXLAN,
1727 NFTA_TUNNEL_KEY_OPTS_ERSPAN,
1728 __NFTA_TUNNEL_KEY_OPTS_MAX
1729 };
1730 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1)
1731
1732 enum nft_tunnel_opts_vxlan_attributes {
1733 NFTA_TUNNEL_KEY_VXLAN_UNSPEC,
1734 NFTA_TUNNEL_KEY_VXLAN_GBP,
1735 __NFTA_TUNNEL_KEY_VXLAN_MAX
1736 };
1737 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)
1738
1739 enum nft_tunnel_opts_erspan_attributes {
1740 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,
1741 NFTA_TUNNEL_KEY_ERSPAN_VERSION,
1742 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,
1743 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,
1744 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,
1745 __NFTA_TUNNEL_KEY_ERSPAN_MAX
1746 };
1747 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)
1748
1749 enum nft_tunnel_flags {
1750 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0),
1751 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1),
1752 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2),
1753 };
1754 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \
1755 NFT_TUNNEL_F_DONT_FRAGMENT | \
1756 NFT_TUNNEL_F_SEQ_NUMBER)
1757
1758 enum nft_tunnel_key_attributes {
1759 NFTA_TUNNEL_KEY_UNSPEC,
1760 NFTA_TUNNEL_KEY_ID,
1761 NFTA_TUNNEL_KEY_IP,
1762 NFTA_TUNNEL_KEY_IP6,
1763 NFTA_TUNNEL_KEY_FLAGS,
1764 NFTA_TUNNEL_KEY_TOS,
1765 NFTA_TUNNEL_KEY_TTL,
1766 NFTA_TUNNEL_KEY_SPORT,
1767 NFTA_TUNNEL_KEY_DPORT,
1768 NFTA_TUNNEL_KEY_OPTS,
1769 __NFTA_TUNNEL_KEY_MAX
1770 };
1771 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)
1772
1773 enum nft_tunnel_keys {
1774 NFT_TUNNEL_PATH,
1775 NFT_TUNNEL_ID,
1776 __NFT_TUNNEL_MAX
1777 };
1778 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)
1779
1780 enum nft_tunnel_mode {
1781 NFT_TUNNEL_MODE_NONE,
1782 NFT_TUNNEL_MODE_RX,
1783 NFT_TUNNEL_MODE_TX,
1784 __NFT_TUNNEL_MODE_MAX
1785 };
1786 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1)
1787
1788 enum nft_tunnel_attributes {
1789 NFTA_TUNNEL_UNSPEC,
1790 NFTA_TUNNEL_KEY,
1791 NFTA_TUNNEL_DREG,
1792 NFTA_TUNNEL_MODE,
1793 __NFTA_TUNNEL_MAX
1794 };
1795 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)
1796
1797 #endif /* _LINUX_NF_TABLES_H */