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 */
22enum 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#define NFT_REG32_COUNT (NFT_REG32_15 - NFT_REG32_00 + 1)
52
53/**
54 * enum nft_verdicts - nf_tables internal verdicts
55 *
56 * @NFT_CONTINUE: continue evaluation of the current rule
57 * @NFT_BREAK: terminate evaluation of the current rule
58 * @NFT_JUMP: push the current chain on the jump stack and jump to a chain
59 * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack
60 * @NFT_RETURN: return to the topmost chain on the jump stack
61 *
62 * The nf_tables verdicts share their numeric space with the netfilter verdicts.
63 */
64enum nft_verdicts {
65 NFT_CONTINUE = -1,
66 NFT_BREAK = -2,
67 NFT_JUMP = -3,
68 NFT_GOTO = -4,
69 NFT_RETURN = -5,
70};
71
72/**
73 * enum nf_tables_msg_types - nf_tables netlink message types
74 *
75 * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes)
76 * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes)
77 * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes)
78 * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes)
79 * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes)
80 * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes)
81 * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes)
82 * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes)
83 * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes)
84 * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes)
85 * @NFT_MSG_GETSET: get a set (enum nft_set_attributes)
86 * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes)
87 * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes)
88 * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes)
89 * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes)
90 * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes)
91 * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes)
92 * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes)
93 * @NFT_MSG_NEWOBJ: create a stateful object (enum nft_obj_attributes)
94 * @NFT_MSG_GETOBJ: get a stateful object (enum nft_obj_attributes)
95 * @NFT_MSG_DELOBJ: delete a stateful object (enum nft_obj_attributes)
96 * @NFT_MSG_GETOBJ_RESET: get and reset a stateful object (enum nft_obj_attributes)
97 * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes)
98 * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes)
99 * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes)
100 * @NFT_MSG_GETRULE_RESET: get rules and reset stateful expressions (enum nft_obj_attributes)
101 * @NFT_MSG_DESTROYTABLE: destroy a table (enum nft_table_attributes)
102 * @NFT_MSG_DESTROYCHAIN: destroy a chain (enum nft_chain_attributes)
103 * @NFT_MSG_DESTROYRULE: destroy a rule (enum nft_rule_attributes)
104 * @NFT_MSG_DESTROYSET: destroy a set (enum nft_set_attributes)
105 * @NFT_MSG_DESTROYSETELEM: destroy a set element (enum nft_set_elem_attributes)
106 * @NFT_MSG_DESTROYOBJ: destroy a stateful object (enum nft_object_attributes)
107 * @NFT_MSG_DESTROYFLOWTABLE: destroy flow table (enum nft_flowtable_attributes)
108 * @NFT_MSG_GETSETELEM_RESET: get set elements and reset attached stateful expressions (enum nft_set_elem_attributes)
109 */
110enum nf_tables_msg_types {
111 NFT_MSG_NEWTABLE,
112 NFT_MSG_GETTABLE,
113 NFT_MSG_DELTABLE,
114 NFT_MSG_NEWCHAIN,
115 NFT_MSG_GETCHAIN,
116 NFT_MSG_DELCHAIN,
117 NFT_MSG_NEWRULE,
118 NFT_MSG_GETRULE,
119 NFT_MSG_DELRULE,
120 NFT_MSG_NEWSET,
121 NFT_MSG_GETSET,
122 NFT_MSG_DELSET,
123 NFT_MSG_NEWSETELEM,
124 NFT_MSG_GETSETELEM,
125 NFT_MSG_DELSETELEM,
126 NFT_MSG_NEWGEN,
127 NFT_MSG_GETGEN,
128 NFT_MSG_TRACE,
129 NFT_MSG_NEWOBJ,
130 NFT_MSG_GETOBJ,
131 NFT_MSG_DELOBJ,
132 NFT_MSG_GETOBJ_RESET,
133 NFT_MSG_NEWFLOWTABLE,
134 NFT_MSG_GETFLOWTABLE,
135 NFT_MSG_DELFLOWTABLE,
136 NFT_MSG_GETRULE_RESET,
137 NFT_MSG_DESTROYTABLE,
138 NFT_MSG_DESTROYCHAIN,
139 NFT_MSG_DESTROYRULE,
140 NFT_MSG_DESTROYSET,
141 NFT_MSG_DESTROYSETELEM,
142 NFT_MSG_DESTROYOBJ,
143 NFT_MSG_DESTROYFLOWTABLE,
144 NFT_MSG_GETSETELEM_RESET,
145 NFT_MSG_MAX,
146};
147
148/**
149 * enum nft_list_attributes - nf_tables generic list netlink attributes
150 *
151 * @NFTA_LIST_ELEM: list element (NLA_NESTED)
152 */
153enum nft_list_attributes {
154 NFTA_LIST_UNSPEC,
155 NFTA_LIST_ELEM,
156 __NFTA_LIST_MAX
157};
158#define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1)
159
160/**
161 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes
162 *
163 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32)
164 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
165 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING)
166 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED)
167 */
168enum nft_hook_attributes {
169 NFTA_HOOK_UNSPEC,
170 NFTA_HOOK_HOOKNUM,
171 NFTA_HOOK_PRIORITY,
172 NFTA_HOOK_DEV,
173 NFTA_HOOK_DEVS,
174 __NFTA_HOOK_MAX
175};
176#define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1)
177
178/**
179 * enum nft_table_flags - nf_tables table flags
180 *
181 * @NFT_TABLE_F_DORMANT: this table is not active
182 * @NFT_TABLE_F_OWNER: this table is owned by a process
183 * @NFT_TABLE_F_PERSIST: this table shall outlive its owner
184 */
185enum nft_table_flags {
186 NFT_TABLE_F_DORMANT = 0x1,
187 NFT_TABLE_F_OWNER = 0x2,
188 NFT_TABLE_F_PERSIST = 0x4,
189};
190#define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | \
191 NFT_TABLE_F_OWNER | \
192 NFT_TABLE_F_PERSIST)
193
194/**
195 * enum nft_table_attributes - nf_tables table netlink attributes
196 *
197 * @NFTA_TABLE_NAME: name of the table (NLA_STRING)
198 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)
199 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)
200 * @NFTA_TABLE_USERDATA: user data (NLA_BINARY)
201 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32)
202 */
203enum nft_table_attributes {
204 NFTA_TABLE_UNSPEC,
205 NFTA_TABLE_NAME,
206 NFTA_TABLE_FLAGS,
207 NFTA_TABLE_USE,
208 NFTA_TABLE_HANDLE,
209 NFTA_TABLE_PAD,
210 NFTA_TABLE_USERDATA,
211 NFTA_TABLE_OWNER,
212 __NFTA_TABLE_MAX
213};
214#define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)
215
216enum nft_chain_flags {
217 NFT_CHAIN_BASE = (1 << 0),
218 NFT_CHAIN_HW_OFFLOAD = (1 << 1),
219 NFT_CHAIN_BINDING = (1 << 2),
220};
221#define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \
222 NFT_CHAIN_HW_OFFLOAD | \
223 NFT_CHAIN_BINDING)
224
225/**
226 * enum nft_chain_attributes - nf_tables chain netlink attributes
227 *
228 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING)
229 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64)
230 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING)
231 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes)
232 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32)
233 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32)
234 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING)
235 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes)
236 * @NFTA_CHAIN_FLAGS: chain flags
237 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32)
238 * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY)
239 */
240enum nft_chain_attributes {
241 NFTA_CHAIN_UNSPEC,
242 NFTA_CHAIN_TABLE,
243 NFTA_CHAIN_HANDLE,
244 NFTA_CHAIN_NAME,
245 NFTA_CHAIN_HOOK,
246 NFTA_CHAIN_POLICY,
247 NFTA_CHAIN_USE,
248 NFTA_CHAIN_TYPE,
249 NFTA_CHAIN_COUNTERS,
250 NFTA_CHAIN_PAD,
251 NFTA_CHAIN_FLAGS,
252 NFTA_CHAIN_ID,
253 NFTA_CHAIN_USERDATA,
254 __NFTA_CHAIN_MAX
255};
256#define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1)
257
258/**
259 * enum nft_rule_attributes - nf_tables rule netlink attributes
260 *
261 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)
262 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)
263 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)
264 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
265 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
266 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
267 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
268 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)
269 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32)
270 * @NFTA_RULE_CHAIN_ID: add the rule to chain by ID, alternative to @NFTA_RULE_CHAIN (NLA_U32)
271 */
272enum nft_rule_attributes {
273 NFTA_RULE_UNSPEC,
274 NFTA_RULE_TABLE,
275 NFTA_RULE_CHAIN,
276 NFTA_RULE_HANDLE,
277 NFTA_RULE_EXPRESSIONS,
278 NFTA_RULE_COMPAT,
279 NFTA_RULE_POSITION,
280 NFTA_RULE_USERDATA,
281 NFTA_RULE_PAD,
282 NFTA_RULE_ID,
283 NFTA_RULE_POSITION_ID,
284 NFTA_RULE_CHAIN_ID,
285 __NFTA_RULE_MAX
286};
287#define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1)
288
289/**
290 * enum nft_rule_compat_flags - nf_tables rule compat flags
291 *
292 * @NFT_RULE_COMPAT_F_UNUSED: unused
293 * @NFT_RULE_COMPAT_F_INV: invert the check result
294 */
295enum nft_rule_compat_flags {
296 NFT_RULE_COMPAT_F_UNUSED = (1 << 0),
297 NFT_RULE_COMPAT_F_INV = (1 << 1),
298 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,
299};
300
301/**
302 * enum nft_rule_compat_attributes - nf_tables rule compat attributes
303 *
304 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)
305 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)
306 */
307enum nft_rule_compat_attributes {
308 NFTA_RULE_COMPAT_UNSPEC,
309 NFTA_RULE_COMPAT_PROTO,
310 NFTA_RULE_COMPAT_FLAGS,
311 __NFTA_RULE_COMPAT_MAX
312};
313#define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1)
314
315/**
316 * enum nft_set_flags - nf_tables set flags
317 *
318 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink
319 * @NFT_SET_CONSTANT: set contents may not change while bound
320 * @NFT_SET_INTERVAL: set contains intervals
321 * @NFT_SET_MAP: set is used as a dictionary
322 * @NFT_SET_TIMEOUT: set uses timeouts
323 * @NFT_SET_EVAL: set can be updated from the evaluation path
324 * @NFT_SET_OBJECT: set contains stateful objects
325 * @NFT_SET_CONCAT: set contains a concatenation
326 * @NFT_SET_EXPR: set contains expressions
327 */
328enum nft_set_flags {
329 NFT_SET_ANONYMOUS = 0x1,
330 NFT_SET_CONSTANT = 0x2,
331 NFT_SET_INTERVAL = 0x4,
332 NFT_SET_MAP = 0x8,
333 NFT_SET_TIMEOUT = 0x10,
334 NFT_SET_EVAL = 0x20,
335 NFT_SET_OBJECT = 0x40,
336 NFT_SET_CONCAT = 0x80,
337 NFT_SET_EXPR = 0x100,
338};
339
340/**
341 * enum nft_set_policies - set selection policy
342 *
343 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use
344 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance
345 */
346enum nft_set_policies {
347 NFT_SET_POL_PERFORMANCE,
348 NFT_SET_POL_MEMORY,
349};
350
351/**
352 * enum nft_set_desc_attributes - set element description
353 *
354 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)
355 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED)
356 */
357enum nft_set_desc_attributes {
358 NFTA_SET_DESC_UNSPEC,
359 NFTA_SET_DESC_SIZE,
360 NFTA_SET_DESC_CONCAT,
361 __NFTA_SET_DESC_MAX
362};
363#define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1)
364
365/**
366 * enum nft_set_field_attributes - attributes of concatenated fields
367 *
368 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32)
369 */
370enum nft_set_field_attributes {
371 NFTA_SET_FIELD_UNSPEC,
372 NFTA_SET_FIELD_LEN,
373 __NFTA_SET_FIELD_MAX
374};
375#define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1)
376
377/**
378 * enum nft_set_attributes - nf_tables set netlink attributes
379 *
380 * @NFTA_SET_TABLE: table name (NLA_STRING)
381 * @NFTA_SET_NAME: set name (NLA_STRING)
382 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)
383 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)
384 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)
385 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)
386 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)
387 * @NFTA_SET_POLICY: selection policy (NLA_U32)
388 * @NFTA_SET_DESC: set description (NLA_NESTED)
389 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
390 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)
391 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)
392 * @NFTA_SET_USERDATA: user data (NLA_BINARY)
393 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)
394 * @NFTA_SET_HANDLE: set handle (NLA_U64)
395 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes)
396 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
397 */
398enum nft_set_attributes {
399 NFTA_SET_UNSPEC,
400 NFTA_SET_TABLE,
401 NFTA_SET_NAME,
402 NFTA_SET_FLAGS,
403 NFTA_SET_KEY_TYPE,
404 NFTA_SET_KEY_LEN,
405 NFTA_SET_DATA_TYPE,
406 NFTA_SET_DATA_LEN,
407 NFTA_SET_POLICY,
408 NFTA_SET_DESC,
409 NFTA_SET_ID,
410 NFTA_SET_TIMEOUT,
411 NFTA_SET_GC_INTERVAL,
412 NFTA_SET_USERDATA,
413 NFTA_SET_PAD,
414 NFTA_SET_OBJ_TYPE,
415 NFTA_SET_HANDLE,
416 NFTA_SET_EXPR,
417 NFTA_SET_EXPRESSIONS,
418 __NFTA_SET_MAX
419};
420#define NFTA_SET_MAX (__NFTA_SET_MAX - 1)
421
422/**
423 * enum nft_set_elem_flags - nf_tables set element flags
424 *
425 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
426 * @NFT_SET_ELEM_CATCHALL: special catch-all element
427 */
428enum nft_set_elem_flags {
429 NFT_SET_ELEM_INTERVAL_END = 0x1,
430 NFT_SET_ELEM_CATCHALL = 0x2,
431};
432
433/**
434 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
435 *
436 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
437 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
438 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
439 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)
440 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
441 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
442 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
443 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
444 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data)
445 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
446 */
447enum nft_set_elem_attributes {
448 NFTA_SET_ELEM_UNSPEC,
449 NFTA_SET_ELEM_KEY,
450 NFTA_SET_ELEM_DATA,
451 NFTA_SET_ELEM_FLAGS,
452 NFTA_SET_ELEM_TIMEOUT,
453 NFTA_SET_ELEM_EXPIRATION,
454 NFTA_SET_ELEM_USERDATA,
455 NFTA_SET_ELEM_EXPR,
456 NFTA_SET_ELEM_PAD,
457 NFTA_SET_ELEM_OBJREF,
458 NFTA_SET_ELEM_KEY_END,
459 NFTA_SET_ELEM_EXPRESSIONS,
460 __NFTA_SET_ELEM_MAX
461};
462#define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)
463
464/**
465 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
466 *
467 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
468 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
469 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
470 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
471 */
472enum nft_set_elem_list_attributes {
473 NFTA_SET_ELEM_LIST_UNSPEC,
474 NFTA_SET_ELEM_LIST_TABLE,
475 NFTA_SET_ELEM_LIST_SET,
476 NFTA_SET_ELEM_LIST_ELEMENTS,
477 NFTA_SET_ELEM_LIST_SET_ID,
478 __NFTA_SET_ELEM_LIST_MAX
479};
480#define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)
481
482/**
483 * enum nft_data_types - nf_tables data types
484 *
485 * @NFT_DATA_VALUE: generic data
486 * @NFT_DATA_VERDICT: netfilter verdict
487 *
488 * The type of data is usually determined by the kernel directly and is not
489 * explicitly specified by userspace. The only difference are sets, where
490 * userspace specifies the key and mapping data types.
491 *
492 * The values 0xffffff00-0xffffffff are reserved for internally used types.
493 * The remaining range can be freely used by userspace to encode types, all
494 * values are equivalent to NFT_DATA_VALUE.
495 */
496enum nft_data_types {
497 NFT_DATA_VALUE,
498 NFT_DATA_VERDICT = 0xffffff00U,
499};
500
501#define NFT_DATA_RESERVED_MASK 0xffffff00U
502
503/**
504 * enum nft_data_attributes - nf_tables data netlink attributes
505 *
506 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
507 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
508 */
509enum nft_data_attributes {
510 NFTA_DATA_UNSPEC,
511 NFTA_DATA_VALUE,
512 NFTA_DATA_VERDICT,
513 __NFTA_DATA_MAX
514};
515#define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)
516
517/* Maximum length of a value */
518#define NFT_DATA_VALUE_MAXLEN 64
519
520/**
521 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
522 *
523 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
524 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
525 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32)
526 */
527enum nft_verdict_attributes {
528 NFTA_VERDICT_UNSPEC,
529 NFTA_VERDICT_CODE,
530 NFTA_VERDICT_CHAIN,
531 NFTA_VERDICT_CHAIN_ID,
532 __NFTA_VERDICT_MAX
533};
534#define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)
535
536/**
537 * enum nft_expr_attributes - nf_tables expression netlink attributes
538 *
539 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
540 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
541 */
542enum nft_expr_attributes {
543 NFTA_EXPR_UNSPEC,
544 NFTA_EXPR_NAME,
545 NFTA_EXPR_DATA,
546 __NFTA_EXPR_MAX
547};
548#define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)
549
550/**
551 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
552 *
553 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
554 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
555 */
556enum nft_immediate_attributes {
557 NFTA_IMMEDIATE_UNSPEC,
558 NFTA_IMMEDIATE_DREG,
559 NFTA_IMMEDIATE_DATA,
560 __NFTA_IMMEDIATE_MAX
561};
562#define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)
563
564/**
565 * enum nft_bitwise_ops - nf_tables bitwise operations
566 *
567 * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and
568 * XOR boolean operations
569 * @NFT_BITWISE_LSHIFT: left-shift operation
570 * @NFT_BITWISE_RSHIFT: right-shift operation
571 */
572enum nft_bitwise_ops {
573 NFT_BITWISE_BOOL,
574 NFT_BITWISE_LSHIFT,
575 NFT_BITWISE_RSHIFT,
576};
577
578/**
579 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
580 *
581 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
582 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
583 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
584 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
585 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
586 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops)
587 * @NFTA_BITWISE_DATA: argument for non-boolean operations
588 * (NLA_NESTED: nft_data_attributes)
589 *
590 * The bitwise expression supports boolean and shift operations. It implements
591 * the boolean operations by performing the following operation:
592 *
593 * dreg = (sreg & mask) ^ xor
594 *
595 * with these mask and xor values:
596 *
597 * mask xor
598 * NOT: 1 1
599 * OR: ~x x
600 * XOR: 1 x
601 * AND: x 0
602 */
603enum nft_bitwise_attributes {
604 NFTA_BITWISE_UNSPEC,
605 NFTA_BITWISE_SREG,
606 NFTA_BITWISE_DREG,
607 NFTA_BITWISE_LEN,
608 NFTA_BITWISE_MASK,
609 NFTA_BITWISE_XOR,
610 NFTA_BITWISE_OP,
611 NFTA_BITWISE_DATA,
612 __NFTA_BITWISE_MAX
613};
614#define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)
615
616/**
617 * enum nft_byteorder_ops - nf_tables byteorder operators
618 *
619 * @NFT_BYTEORDER_NTOH: network to host operator
620 * @NFT_BYTEORDER_HTON: host to network operator
621 */
622enum nft_byteorder_ops {
623 NFT_BYTEORDER_NTOH,
624 NFT_BYTEORDER_HTON,
625};
626
627/**
628 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
629 *
630 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
631 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
632 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
633 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
634 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
635 */
636enum nft_byteorder_attributes {
637 NFTA_BYTEORDER_UNSPEC,
638 NFTA_BYTEORDER_SREG,
639 NFTA_BYTEORDER_DREG,
640 NFTA_BYTEORDER_OP,
641 NFTA_BYTEORDER_LEN,
642 NFTA_BYTEORDER_SIZE,
643 __NFTA_BYTEORDER_MAX
644};
645#define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)
646
647/**
648 * enum nft_cmp_ops - nf_tables relational operator
649 *
650 * @NFT_CMP_EQ: equal
651 * @NFT_CMP_NEQ: not equal
652 * @NFT_CMP_LT: less than
653 * @NFT_CMP_LTE: less than or equal to
654 * @NFT_CMP_GT: greater than
655 * @NFT_CMP_GTE: greater than or equal to
656 */
657enum nft_cmp_ops {
658 NFT_CMP_EQ,
659 NFT_CMP_NEQ,
660 NFT_CMP_LT,
661 NFT_CMP_LTE,
662 NFT_CMP_GT,
663 NFT_CMP_GTE,
664};
665
666/**
667 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
668 *
669 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
670 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
671 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
672 */
673enum nft_cmp_attributes {
674 NFTA_CMP_UNSPEC,
675 NFTA_CMP_SREG,
676 NFTA_CMP_OP,
677 NFTA_CMP_DATA,
678 __NFTA_CMP_MAX
679};
680#define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)
681
682/**
683 * enum nft_range_ops - nf_tables range operator
684 *
685 * @NFT_RANGE_EQ: equal
686 * @NFT_RANGE_NEQ: not equal
687 */
688enum nft_range_ops {
689 NFT_RANGE_EQ,
690 NFT_RANGE_NEQ,
691};
692
693/**
694 * enum nft_range_attributes - nf_tables range expression netlink attributes
695 *
696 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
697 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops)
698 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
699 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
700 */
701enum nft_range_attributes {
702 NFTA_RANGE_UNSPEC,
703 NFTA_RANGE_SREG,
704 NFTA_RANGE_OP,
705 NFTA_RANGE_FROM_DATA,
706 NFTA_RANGE_TO_DATA,
707 __NFTA_RANGE_MAX
708};
709#define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)
710
711enum nft_lookup_flags {
712 NFT_LOOKUP_F_INV = (1 << 0),
713};
714
715/**
716 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
717 *
718 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
719 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
720 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
721 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
722 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
723 */
724enum nft_lookup_attributes {
725 NFTA_LOOKUP_UNSPEC,
726 NFTA_LOOKUP_SET,
727 NFTA_LOOKUP_SREG,
728 NFTA_LOOKUP_DREG,
729 NFTA_LOOKUP_SET_ID,
730 NFTA_LOOKUP_FLAGS,
731 __NFTA_LOOKUP_MAX
732};
733#define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)
734
735enum nft_dynset_ops {
736 NFT_DYNSET_OP_ADD,
737 NFT_DYNSET_OP_UPDATE,
738 NFT_DYNSET_OP_DELETE,
739};
740
741enum nft_dynset_flags {
742 NFT_DYNSET_F_INV = (1 << 0),
743 NFT_DYNSET_F_EXPR = (1 << 1),
744};
745
746/**
747 * enum nft_dynset_attributes - dynset expression attributes
748 *
749 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
750 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
751 * @NFTA_DYNSET_OP: operation (NLA_U32)
752 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
753 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
754 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
755 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
756 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
757 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
758 */
759enum nft_dynset_attributes {
760 NFTA_DYNSET_UNSPEC,
761 NFTA_DYNSET_SET_NAME,
762 NFTA_DYNSET_SET_ID,
763 NFTA_DYNSET_OP,
764 NFTA_DYNSET_SREG_KEY,
765 NFTA_DYNSET_SREG_DATA,
766 NFTA_DYNSET_TIMEOUT,
767 NFTA_DYNSET_EXPR,
768 NFTA_DYNSET_PAD,
769 NFTA_DYNSET_FLAGS,
770 NFTA_DYNSET_EXPRESSIONS,
771 __NFTA_DYNSET_MAX,
772};
773#define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)
774
775/**
776 * enum nft_payload_bases - nf_tables payload expression offset bases
777 *
778 * @NFT_PAYLOAD_LL_HEADER: link layer header
779 * @NFT_PAYLOAD_NETWORK_HEADER: network header
780 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
781 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload
782 */
783enum nft_payload_bases {
784 NFT_PAYLOAD_LL_HEADER,
785 NFT_PAYLOAD_NETWORK_HEADER,
786 NFT_PAYLOAD_TRANSPORT_HEADER,
787 NFT_PAYLOAD_INNER_HEADER,
788 NFT_PAYLOAD_TUN_HEADER,
789};
790
791/**
792 * enum nft_payload_csum_types - nf_tables payload expression checksum types
793 *
794 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
795 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
796 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309)
797 */
798enum nft_payload_csum_types {
799 NFT_PAYLOAD_CSUM_NONE,
800 NFT_PAYLOAD_CSUM_INET,
801 NFT_PAYLOAD_CSUM_SCTP,
802};
803
804enum nft_payload_csum_flags {
805 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
806};
807
808enum nft_inner_type {
809 NFT_INNER_UNSPEC = 0,
810 NFT_INNER_VXLAN,
811 NFT_INNER_GENEVE,
812};
813
814enum nft_inner_flags {
815 NFT_INNER_HDRSIZE = (1 << 0),
816 NFT_INNER_LL = (1 << 1),
817 NFT_INNER_NH = (1 << 2),
818 NFT_INNER_TH = (1 << 3),
819};
820#define NFT_INNER_MASK (NFT_INNER_HDRSIZE | NFT_INNER_LL | \
821 NFT_INNER_NH | NFT_INNER_TH)
822
823enum nft_inner_attributes {
824 NFTA_INNER_UNSPEC,
825 NFTA_INNER_NUM,
826 NFTA_INNER_TYPE,
827 NFTA_INNER_FLAGS,
828 NFTA_INNER_HDRSIZE,
829 NFTA_INNER_EXPR,
830 __NFTA_INNER_MAX
831};
832#define NFTA_INNER_MAX (__NFTA_INNER_MAX - 1)
833
834/**
835 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
836 *
837 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
838 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
839 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
840 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
841 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
842 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
843 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
844 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
845 */
846enum nft_payload_attributes {
847 NFTA_PAYLOAD_UNSPEC,
848 NFTA_PAYLOAD_DREG,
849 NFTA_PAYLOAD_BASE,
850 NFTA_PAYLOAD_OFFSET,
851 NFTA_PAYLOAD_LEN,
852 NFTA_PAYLOAD_SREG,
853 NFTA_PAYLOAD_CSUM_TYPE,
854 NFTA_PAYLOAD_CSUM_OFFSET,
855 NFTA_PAYLOAD_CSUM_FLAGS,
856 __NFTA_PAYLOAD_MAX
857};
858#define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)
859
860enum nft_exthdr_flags {
861 NFT_EXTHDR_F_PRESENT = (1 << 0),
862};
863
864/**
865 * enum nft_exthdr_op - nf_tables match options
866 *
867 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
868 * @NFT_EXTHDR_OP_TCP: match against tcp options
869 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options
870 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks
871 * @NFT_EXTHDR_OP_DCCP: match against dccp otions
872 */
873enum nft_exthdr_op {
874 NFT_EXTHDR_OP_IPV6,
875 NFT_EXTHDR_OP_TCPOPT,
876 NFT_EXTHDR_OP_IPV4,
877 NFT_EXTHDR_OP_SCTP,
878 NFT_EXTHDR_OP_DCCP,
879 __NFT_EXTHDR_OP_MAX
880};
881#define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)
882
883/**
884 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
885 *
886 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
887 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
888 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
889 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
890 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
891 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
892 * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers)
893 */
894enum nft_exthdr_attributes {
895 NFTA_EXTHDR_UNSPEC,
896 NFTA_EXTHDR_DREG,
897 NFTA_EXTHDR_TYPE,
898 NFTA_EXTHDR_OFFSET,
899 NFTA_EXTHDR_LEN,
900 NFTA_EXTHDR_FLAGS,
901 NFTA_EXTHDR_OP,
902 NFTA_EXTHDR_SREG,
903 __NFTA_EXTHDR_MAX
904};
905#define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)
906
907/**
908 * enum nft_meta_keys - nf_tables meta expression keys
909 *
910 * @NFT_META_LEN: packet length (skb->len)
911 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
912 * @NFT_META_PRIORITY: packet priority (skb->priority)
913 * @NFT_META_MARK: packet mark (skb->mark)
914 * @NFT_META_IIF: packet input interface index (dev->ifindex)
915 * @NFT_META_OIF: packet output interface index (dev->ifindex)
916 * @NFT_META_IIFNAME: packet input interface name (dev->name)
917 * @NFT_META_OIFNAME: packet output interface name (dev->name)
918 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
919 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
920 * @NFT_META_SKUID: originating socket UID (fsuid)
921 * @NFT_META_SKGID: originating socket GID (fsgid)
922 * @NFT_META_NFTRACE: packet nftrace bit
923 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
924 * @NFT_META_SECMARK: packet secmark (skb->secmark)
925 * @NFT_META_NFPROTO: netfilter protocol
926 * @NFT_META_L4PROTO: layer 4 protocol number
927 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
928 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
929 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
930 * @NFT_META_CPU: cpu id through smp_processor_id()
931 * @NFT_META_IIFGROUP: packet input interface group
932 * @NFT_META_OIFGROUP: packet output interface group
933 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
934 * @NFT_META_PRANDOM: a 32bit pseudo-random number
935 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
936 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
937 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
938 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid
939 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto
940 * @NFT_META_TIME_NS: time since epoch (in nanoseconds)
941 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday)
942 * @NFT_META_TIME_HOUR: hour of day (in seconds)
943 * @NFT_META_SDIF: slave device interface index
944 * @NFT_META_SDIFNAME: slave device interface name
945 * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit
946 */
947enum nft_meta_keys {
948 NFT_META_LEN,
949 NFT_META_PROTOCOL,
950 NFT_META_PRIORITY,
951 NFT_META_MARK,
952 NFT_META_IIF,
953 NFT_META_OIF,
954 NFT_META_IIFNAME,
955 NFT_META_OIFNAME,
956 NFT_META_IFTYPE,
957#define NFT_META_IIFTYPE NFT_META_IFTYPE
958 NFT_META_OIFTYPE,
959 NFT_META_SKUID,
960 NFT_META_SKGID,
961 NFT_META_NFTRACE,
962 NFT_META_RTCLASSID,
963 NFT_META_SECMARK,
964 NFT_META_NFPROTO,
965 NFT_META_L4PROTO,
966 NFT_META_BRI_IIFNAME,
967 NFT_META_BRI_OIFNAME,
968 NFT_META_PKTTYPE,
969 NFT_META_CPU,
970 NFT_META_IIFGROUP,
971 NFT_META_OIFGROUP,
972 NFT_META_CGROUP,
973 NFT_META_PRANDOM,
974 NFT_META_SECPATH,
975 NFT_META_IIFKIND,
976 NFT_META_OIFKIND,
977 NFT_META_BRI_IIFPVID,
978 NFT_META_BRI_IIFVPROTO,
979 NFT_META_TIME_NS,
980 NFT_META_TIME_DAY,
981 NFT_META_TIME_HOUR,
982 NFT_META_SDIF,
983 NFT_META_SDIFNAME,
984 NFT_META_BRI_BROUTE,
985 __NFT_META_IIFTYPE,
986};
987
988/**
989 * enum nft_rt_keys - nf_tables routing expression keys
990 *
991 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
992 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
993 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
994 * @NFT_RT_TCPMSS: fetch current path tcp mss
995 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL
996 */
997enum nft_rt_keys {
998 NFT_RT_CLASSID,
999 NFT_RT_NEXTHOP4,
1000 NFT_RT_NEXTHOP6,
1001 NFT_RT_TCPMSS,
1002 NFT_RT_XFRM,
1003 __NFT_RT_MAX
1004};
1005#define NFT_RT_MAX (__NFT_RT_MAX - 1)
1006
1007/**
1008 * enum nft_hash_types - nf_tables hash expression types
1009 *
1010 * @NFT_HASH_JENKINS: Jenkins Hash
1011 * @NFT_HASH_SYM: Symmetric Hash
1012 */
1013enum nft_hash_types {
1014 NFT_HASH_JENKINS,
1015 NFT_HASH_SYM,
1016};
1017
1018/**
1019 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
1020 *
1021 * @NFTA_HASH_SREG: source register (NLA_U32)
1022 * @NFTA_HASH_DREG: destination register (NLA_U32)
1023 * @NFTA_HASH_LEN: source data length (NLA_U32)
1024 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
1025 * @NFTA_HASH_SEED: seed value (NLA_U32)
1026 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
1027 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
1028 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
1029 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
1030 */
1031enum nft_hash_attributes {
1032 NFTA_HASH_UNSPEC,
1033 NFTA_HASH_SREG,
1034 NFTA_HASH_DREG,
1035 NFTA_HASH_LEN,
1036 NFTA_HASH_MODULUS,
1037 NFTA_HASH_SEED,
1038 NFTA_HASH_OFFSET,
1039 NFTA_HASH_TYPE,
1040 NFTA_HASH_SET_NAME, /* deprecated */
1041 NFTA_HASH_SET_ID, /* deprecated */
1042 __NFTA_HASH_MAX,
1043};
1044#define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)
1045
1046/**
1047 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
1048 *
1049 * @NFTA_META_DREG: destination register (NLA_U32)
1050 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
1051 * @NFTA_META_SREG: source register (NLA_U32)
1052 */
1053enum nft_meta_attributes {
1054 NFTA_META_UNSPEC,
1055 NFTA_META_DREG,
1056 NFTA_META_KEY,
1057 NFTA_META_SREG,
1058 __NFTA_META_MAX
1059};
1060#define NFTA_META_MAX (__NFTA_META_MAX - 1)
1061
1062/**
1063 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
1064 *
1065 * @NFTA_RT_DREG: destination register (NLA_U32)
1066 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
1067 */
1068enum nft_rt_attributes {
1069 NFTA_RT_UNSPEC,
1070 NFTA_RT_DREG,
1071 NFTA_RT_KEY,
1072 __NFTA_RT_MAX
1073};
1074#define NFTA_RT_MAX (__NFTA_RT_MAX - 1)
1075
1076/**
1077 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
1078 *
1079 * @NFTA_SOCKET_KEY: socket key to match
1080 * @NFTA_SOCKET_DREG: destination register
1081 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2)
1082 */
1083enum nft_socket_attributes {
1084 NFTA_SOCKET_UNSPEC,
1085 NFTA_SOCKET_KEY,
1086 NFTA_SOCKET_DREG,
1087 NFTA_SOCKET_LEVEL,
1088 __NFTA_SOCKET_MAX
1089};
1090#define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)
1091
1092/*
1093 * enum nft_socket_keys - nf_tables socket expression keys
1094 *
1095 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option
1096 * @NFT_SOCKET_MARK: Value of the socket mark
1097 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0)
1098 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2
1099 */
1100enum nft_socket_keys {
1101 NFT_SOCKET_TRANSPARENT,
1102 NFT_SOCKET_MARK,
1103 NFT_SOCKET_WILDCARD,
1104 NFT_SOCKET_CGROUPV2,
1105 __NFT_SOCKET_MAX
1106};
1107#define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)
1108
1109/**
1110 * enum nft_ct_keys - nf_tables ct expression keys
1111 *
1112 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
1113 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
1114 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
1115 * @NFT_CT_MARK: conntrack mark value
1116 * @NFT_CT_SECMARK: conntrack secmark value
1117 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
1118 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
1119 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
1120 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
1121 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
1122 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
1123 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
1124 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
1125 * @NFT_CT_LABELS: conntrack labels
1126 * @NFT_CT_PKTS: conntrack packets
1127 * @NFT_CT_BYTES: conntrack bytes
1128 * @NFT_CT_AVGPKT: conntrack average bytes per packet
1129 * @NFT_CT_ZONE: conntrack zone
1130 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
1131 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
1132 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
1133 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
1134 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
1135 * @NFT_CT_ID: conntrack id
1136 */
1137enum nft_ct_keys {
1138 NFT_CT_STATE,
1139 NFT_CT_DIRECTION,
1140 NFT_CT_STATUS,
1141 NFT_CT_MARK,
1142 NFT_CT_SECMARK,
1143 NFT_CT_EXPIRATION,
1144 NFT_CT_HELPER,
1145 NFT_CT_L3PROTOCOL,
1146 NFT_CT_SRC,
1147 NFT_CT_DST,
1148 NFT_CT_PROTOCOL,
1149 NFT_CT_PROTO_SRC,
1150 NFT_CT_PROTO_DST,
1151 NFT_CT_LABELS,
1152 NFT_CT_PKTS,
1153 NFT_CT_BYTES,
1154 NFT_CT_AVGPKT,
1155 NFT_CT_ZONE,
1156 NFT_CT_EVENTMASK,
1157 NFT_CT_SRC_IP,
1158 NFT_CT_DST_IP,
1159 NFT_CT_SRC_IP6,
1160 NFT_CT_DST_IP6,
1161 NFT_CT_ID,
1162 __NFT_CT_MAX
1163};
1164#define NFT_CT_MAX (__NFT_CT_MAX - 1)
1165
1166/**
1167 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
1168 *
1169 * @NFTA_CT_DREG: destination register (NLA_U32)
1170 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
1171 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
1172 * @NFTA_CT_SREG: source register (NLA_U32)
1173 */
1174enum nft_ct_attributes {
1175 NFTA_CT_UNSPEC,
1176 NFTA_CT_DREG,
1177 NFTA_CT_KEY,
1178 NFTA_CT_DIRECTION,
1179 NFTA_CT_SREG,
1180 __NFTA_CT_MAX
1181};
1182#define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
1183
1184/**
1185 * enum nft_flow_attributes - ct offload expression attributes
1186 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1187 */
1188enum nft_offload_attributes {
1189 NFTA_FLOW_UNSPEC,
1190 NFTA_FLOW_TABLE_NAME,
1191 __NFTA_FLOW_MAX,
1192};
1193#define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)
1194
1195enum nft_limit_type {
1196 NFT_LIMIT_PKTS,
1197 NFT_LIMIT_PKT_BYTES
1198};
1199
1200enum nft_limit_flags {
1201 NFT_LIMIT_F_INV = (1 << 0),
1202};
1203
1204/**
1205 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1206 *
1207 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1208 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1209 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1210 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1211 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1212 */
1213enum nft_limit_attributes {
1214 NFTA_LIMIT_UNSPEC,
1215 NFTA_LIMIT_RATE,
1216 NFTA_LIMIT_UNIT,
1217 NFTA_LIMIT_BURST,
1218 NFTA_LIMIT_TYPE,
1219 NFTA_LIMIT_FLAGS,
1220 NFTA_LIMIT_PAD,
1221 __NFTA_LIMIT_MAX
1222};
1223#define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
1224
1225enum nft_connlimit_flags {
1226 NFT_CONNLIMIT_F_INV = (1 << 0),
1227};
1228
1229/**
1230 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1231 *
1232 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1233 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1234 */
1235enum nft_connlimit_attributes {
1236 NFTA_CONNLIMIT_UNSPEC,
1237 NFTA_CONNLIMIT_COUNT,
1238 NFTA_CONNLIMIT_FLAGS,
1239 __NFTA_CONNLIMIT_MAX
1240};
1241#define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)
1242
1243/**
1244 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1245 *
1246 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1247 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1248 */
1249enum nft_counter_attributes {
1250 NFTA_COUNTER_UNSPEC,
1251 NFTA_COUNTER_BYTES,
1252 NFTA_COUNTER_PACKETS,
1253 NFTA_COUNTER_PAD,
1254 __NFTA_COUNTER_MAX
1255};
1256#define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)
1257
1258/**
1259 * enum nft_last_attributes - nf_tables last expression netlink attributes
1260 *
1261 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32)
1262 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64)
1263 */
1264enum nft_last_attributes {
1265 NFTA_LAST_UNSPEC,
1266 NFTA_LAST_SET,
1267 NFTA_LAST_MSECS,
1268 NFTA_LAST_PAD,
1269 __NFTA_LAST_MAX
1270};
1271#define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1)
1272
1273/**
1274 * enum nft_log_attributes - nf_tables log expression netlink attributes
1275 *
1276 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16)
1277 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1278 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1279 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16)
1280 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1281 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1282 */
1283enum nft_log_attributes {
1284 NFTA_LOG_UNSPEC,
1285 NFTA_LOG_GROUP,
1286 NFTA_LOG_PREFIX,
1287 NFTA_LOG_SNAPLEN,
1288 NFTA_LOG_QTHRESHOLD,
1289 NFTA_LOG_LEVEL,
1290 NFTA_LOG_FLAGS,
1291 __NFTA_LOG_MAX
1292};
1293#define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)
1294
1295/**
1296 * enum nft_log_level - nf_tables log levels
1297 *
1298 * @NFT_LOGLEVEL_EMERG: system is unusable
1299 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
1300 * @NFT_LOGLEVEL_CRIT: critical conditions
1301 * @NFT_LOGLEVEL_ERR: error conditions
1302 * @NFT_LOGLEVEL_WARNING: warning conditions
1303 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
1304 * @NFT_LOGLEVEL_INFO: informational
1305 * @NFT_LOGLEVEL_DEBUG: debug-level messages
1306 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
1307 */
1308enum nft_log_level {
1309 NFT_LOGLEVEL_EMERG,
1310 NFT_LOGLEVEL_ALERT,
1311 NFT_LOGLEVEL_CRIT,
1312 NFT_LOGLEVEL_ERR,
1313 NFT_LOGLEVEL_WARNING,
1314 NFT_LOGLEVEL_NOTICE,
1315 NFT_LOGLEVEL_INFO,
1316 NFT_LOGLEVEL_DEBUG,
1317 NFT_LOGLEVEL_AUDIT,
1318 __NFT_LOGLEVEL_MAX
1319};
1320#define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1)
1321
1322/**
1323 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1324 *
1325 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1326 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1327 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1328 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1329 */
1330enum nft_queue_attributes {
1331 NFTA_QUEUE_UNSPEC,
1332 NFTA_QUEUE_NUM,
1333 NFTA_QUEUE_TOTAL,
1334 NFTA_QUEUE_FLAGS,
1335 NFTA_QUEUE_SREG_QNUM,
1336 __NFTA_QUEUE_MAX
1337};
1338#define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)
1339
1340#define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */
1341#define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */
1342#define NFT_QUEUE_FLAG_MASK 0x03
1343
1344enum nft_quota_flags {
1345 NFT_QUOTA_F_INV = (1 << 0),
1346 NFT_QUOTA_F_DEPLETED = (1 << 1),
1347};
1348
1349/**
1350 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1351 *
1352 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1353 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1354 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1355 */
1356enum nft_quota_attributes {
1357 NFTA_QUOTA_UNSPEC,
1358 NFTA_QUOTA_BYTES,
1359 NFTA_QUOTA_FLAGS,
1360 NFTA_QUOTA_PAD,
1361 NFTA_QUOTA_CONSUMED,
1362 __NFTA_QUOTA_MAX
1363};
1364#define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)
1365
1366/**
1367 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes
1368 *
1369 * @NFTA_SECMARK_CTX: security context (NLA_STRING)
1370 */
1371enum nft_secmark_attributes {
1372 NFTA_SECMARK_UNSPEC,
1373 NFTA_SECMARK_CTX,
1374 __NFTA_SECMARK_MAX,
1375};
1376#define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1)
1377
1378/* Max security context length */
1379#define NFT_SECMARK_CTX_MAXLEN 256
1380
1381/**
1382 * enum nft_reject_types - nf_tables reject expression reject types
1383 *
1384 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1385 * @NFT_REJECT_TCP_RST: reject using TCP RST
1386 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1387 */
1388enum nft_reject_types {
1389 NFT_REJECT_ICMP_UNREACH,
1390 NFT_REJECT_TCP_RST,
1391 NFT_REJECT_ICMPX_UNREACH,
1392};
1393
1394/**
1395 * enum nft_reject_code - Generic reject codes for IPv4/IPv6
1396 *
1397 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1398 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1399 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1400 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1401 *
1402 * These codes are mapped to real ICMP and ICMPv6 codes.
1403 */
1404enum nft_reject_inet_code {
1405 NFT_REJECT_ICMPX_NO_ROUTE = 0,
1406 NFT_REJECT_ICMPX_PORT_UNREACH,
1407 NFT_REJECT_ICMPX_HOST_UNREACH,
1408 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1409 __NFT_REJECT_ICMPX_MAX
1410};
1411#define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)
1412
1413/**
1414 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1415 *
1416 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1417 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1418 */
1419enum nft_reject_attributes {
1420 NFTA_REJECT_UNSPEC,
1421 NFTA_REJECT_TYPE,
1422 NFTA_REJECT_ICMP_CODE,
1423 __NFTA_REJECT_MAX
1424};
1425#define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)
1426
1427/**
1428 * enum nft_nat_types - nf_tables nat expression NAT types
1429 *
1430 * @NFT_NAT_SNAT: source NAT
1431 * @NFT_NAT_DNAT: destination NAT
1432 */
1433enum nft_nat_types {
1434 NFT_NAT_SNAT,
1435 NFT_NAT_DNAT,
1436};
1437
1438/**
1439 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1440 *
1441 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1442 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1443 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1444 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1445 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1446 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1447 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1448 */
1449enum nft_nat_attributes {
1450 NFTA_NAT_UNSPEC,
1451 NFTA_NAT_TYPE,
1452 NFTA_NAT_FAMILY,
1453 NFTA_NAT_REG_ADDR_MIN,
1454 NFTA_NAT_REG_ADDR_MAX,
1455 NFTA_NAT_REG_PROTO_MIN,
1456 NFTA_NAT_REG_PROTO_MAX,
1457 NFTA_NAT_FLAGS,
1458 __NFTA_NAT_MAX
1459};
1460#define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)
1461
1462/**
1463 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
1464 *
1465 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
1466 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
1467 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
1468 */
1469enum nft_tproxy_attributes {
1470 NFTA_TPROXY_UNSPEC,
1471 NFTA_TPROXY_FAMILY,
1472 NFTA_TPROXY_REG_ADDR,
1473 NFTA_TPROXY_REG_PORT,
1474 __NFTA_TPROXY_MAX
1475};
1476#define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1)
1477
1478/**
1479 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1480 *
1481 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1482 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1483 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1484 */
1485enum nft_masq_attributes {
1486 NFTA_MASQ_UNSPEC,
1487 NFTA_MASQ_FLAGS,
1488 NFTA_MASQ_REG_PROTO_MIN,
1489 NFTA_MASQ_REG_PROTO_MAX,
1490 __NFTA_MASQ_MAX
1491};
1492#define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)
1493
1494/**
1495 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1496 *
1497 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1498 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1499 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1500 */
1501enum nft_redir_attributes {
1502 NFTA_REDIR_UNSPEC,
1503 NFTA_REDIR_REG_PROTO_MIN,
1504 NFTA_REDIR_REG_PROTO_MAX,
1505 NFTA_REDIR_FLAGS,
1506 __NFTA_REDIR_MAX
1507};
1508#define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
1509
1510/**
1511 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1512 *
1513 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1514 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1515 */
1516enum nft_dup_attributes {
1517 NFTA_DUP_UNSPEC,
1518 NFTA_DUP_SREG_ADDR,
1519 NFTA_DUP_SREG_DEV,
1520 __NFTA_DUP_MAX
1521};
1522#define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
1523
1524/**
1525 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1526 *
1527 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1528 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1529 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1530 */
1531enum nft_fwd_attributes {
1532 NFTA_FWD_UNSPEC,
1533 NFTA_FWD_SREG_DEV,
1534 NFTA_FWD_SREG_ADDR,
1535 NFTA_FWD_NFPROTO,
1536 __NFTA_FWD_MAX
1537};
1538#define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
1539
1540/**
1541 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1542 *
1543 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1544 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1545 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1546 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1547 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1548 */
1549enum nft_objref_attributes {
1550 NFTA_OBJREF_UNSPEC,
1551 NFTA_OBJREF_IMM_TYPE,
1552 NFTA_OBJREF_IMM_NAME,
1553 NFTA_OBJREF_SET_SREG,
1554 NFTA_OBJREF_SET_NAME,
1555 NFTA_OBJREF_SET_ID,
1556 __NFTA_OBJREF_MAX
1557};
1558#define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
1559
1560/**
1561 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1562 *
1563 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1564 */
1565enum nft_gen_attributes {
1566 NFTA_GEN_UNSPEC,
1567 NFTA_GEN_ID,
1568 NFTA_GEN_PROC_PID,
1569 NFTA_GEN_PROC_NAME,
1570 __NFTA_GEN_MAX
1571};
1572#define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)
1573
1574/*
1575 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1576 *
1577 * @NFTA_FIB_DREG: destination register (NLA_U32)
1578 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1579 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1580 *
1581 * The FIB expression performs a route lookup according
1582 * to the packet data.
1583 */
1584enum nft_fib_attributes {
1585 NFTA_FIB_UNSPEC,
1586 NFTA_FIB_DREG,
1587 NFTA_FIB_RESULT,
1588 NFTA_FIB_FLAGS,
1589 __NFTA_FIB_MAX
1590};
1591#define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1592
1593enum nft_fib_result {
1594 NFT_FIB_RESULT_UNSPEC,
1595 NFT_FIB_RESULT_OIF,
1596 NFT_FIB_RESULT_OIFNAME,
1597 NFT_FIB_RESULT_ADDRTYPE,
1598 __NFT_FIB_RESULT_MAX
1599};
1600#define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)
1601
1602enum nft_fib_flags {
1603 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */
1604 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */
1605 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */
1606 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */
1607 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */
1608 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */
1609};
1610
1611enum nft_ct_helper_attributes {
1612 NFTA_CT_HELPER_UNSPEC,
1613 NFTA_CT_HELPER_NAME,
1614 NFTA_CT_HELPER_L3PROTO,
1615 NFTA_CT_HELPER_L4PROTO,
1616 __NFTA_CT_HELPER_MAX,
1617};
1618#define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)
1619
1620enum nft_ct_timeout_timeout_attributes {
1621 NFTA_CT_TIMEOUT_UNSPEC,
1622 NFTA_CT_TIMEOUT_L3PROTO,
1623 NFTA_CT_TIMEOUT_L4PROTO,
1624 NFTA_CT_TIMEOUT_DATA,
1625 __NFTA_CT_TIMEOUT_MAX,
1626};
1627#define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1)
1628
1629enum nft_ct_expectation_attributes {
1630 NFTA_CT_EXPECT_UNSPEC,
1631 NFTA_CT_EXPECT_L3PROTO,
1632 NFTA_CT_EXPECT_L4PROTO,
1633 NFTA_CT_EXPECT_DPORT,
1634 NFTA_CT_EXPECT_TIMEOUT,
1635 NFTA_CT_EXPECT_SIZE,
1636 __NFTA_CT_EXPECT_MAX,
1637};
1638#define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1)
1639
1640#define NFT_OBJECT_UNSPEC 0
1641#define NFT_OBJECT_COUNTER 1
1642#define NFT_OBJECT_QUOTA 2
1643#define NFT_OBJECT_CT_HELPER 3
1644#define NFT_OBJECT_LIMIT 4
1645#define NFT_OBJECT_CONNLIMIT 5
1646#define NFT_OBJECT_TUNNEL 6
1647#define NFT_OBJECT_CT_TIMEOUT 7
1648#define NFT_OBJECT_SECMARK 8
1649#define NFT_OBJECT_CT_EXPECT 9
1650#define NFT_OBJECT_SYNPROXY 10
1651#define __NFT_OBJECT_MAX 11
1652#define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)
1653
1654/**
1655 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1656 *
1657 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1658 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1659 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1660 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1661 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1662 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1663 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY)
1664 */
1665enum nft_object_attributes {
1666 NFTA_OBJ_UNSPEC,
1667 NFTA_OBJ_TABLE,
1668 NFTA_OBJ_NAME,
1669 NFTA_OBJ_TYPE,
1670 NFTA_OBJ_DATA,
1671 NFTA_OBJ_USE,
1672 NFTA_OBJ_HANDLE,
1673 NFTA_OBJ_PAD,
1674 NFTA_OBJ_USERDATA,
1675 __NFTA_OBJ_MAX
1676};
1677#define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)
1678
1679/**
1680 * enum nft_flowtable_flags - nf_tables flowtable flags
1681 *
1682 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled
1683 * @NFT_FLOWTABLE_COUNTER: enable flow counters
1684 */
1685enum nft_flowtable_flags {
1686 NFT_FLOWTABLE_HW_OFFLOAD = 0x1,
1687 NFT_FLOWTABLE_COUNTER = 0x2,
1688 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD |
1689 NFT_FLOWTABLE_COUNTER)
1690};
1691
1692/**
1693 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1694 *
1695 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1696 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1697 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)
1698 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1699 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1700 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32)
1701 */
1702enum nft_flowtable_attributes {
1703 NFTA_FLOWTABLE_UNSPEC,
1704 NFTA_FLOWTABLE_TABLE,
1705 NFTA_FLOWTABLE_NAME,
1706 NFTA_FLOWTABLE_HOOK,
1707 NFTA_FLOWTABLE_USE,
1708 NFTA_FLOWTABLE_HANDLE,
1709 NFTA_FLOWTABLE_PAD,
1710 NFTA_FLOWTABLE_FLAGS,
1711 __NFTA_FLOWTABLE_MAX
1712};
1713#define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)
1714
1715/**
1716 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1717 *
1718 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1719 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1720 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1721 */
1722enum nft_flowtable_hook_attributes {
1723 NFTA_FLOWTABLE_HOOK_UNSPEC,
1724 NFTA_FLOWTABLE_HOOK_NUM,
1725 NFTA_FLOWTABLE_HOOK_PRIORITY,
1726 NFTA_FLOWTABLE_HOOK_DEVS,
1727 __NFTA_FLOWTABLE_HOOK_MAX
1728};
1729#define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)
1730
1731/**
1732 * enum nft_osf_attributes - nftables osf expression netlink attributes
1733 *
1734 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers)
1735 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8)
1736 * @NFTA_OSF_FLAGS: flags (NLA_U32)
1737 */
1738enum nft_osf_attributes {
1739 NFTA_OSF_UNSPEC,
1740 NFTA_OSF_DREG,
1741 NFTA_OSF_TTL,
1742 NFTA_OSF_FLAGS,
1743 __NFTA_OSF_MAX,
1744};
1745#define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)
1746
1747enum nft_osf_flags {
1748 NFT_OSF_F_VERSION = (1 << 0),
1749};
1750
1751/**
1752 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes
1753 *
1754 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16)
1755 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8)
1756 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32)
1757 */
1758enum nft_synproxy_attributes {
1759 NFTA_SYNPROXY_UNSPEC,
1760 NFTA_SYNPROXY_MSS,
1761 NFTA_SYNPROXY_WSCALE,
1762 NFTA_SYNPROXY_FLAGS,
1763 __NFTA_SYNPROXY_MAX,
1764};
1765#define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1)
1766
1767/**
1768 * enum nft_device_attributes - nf_tables device netlink attributes
1769 *
1770 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1771 */
1772enum nft_devices_attributes {
1773 NFTA_DEVICE_UNSPEC,
1774 NFTA_DEVICE_NAME,
1775 __NFTA_DEVICE_MAX
1776};
1777#define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
1778
1779/*
1780 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
1781 *
1782 * @NFTA_XFRM_DREG: destination register (NLA_U32)
1783 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
1784 * @NFTA_XFRM_DIR: direction (NLA_U8)
1785 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
1786 */
1787enum nft_xfrm_attributes {
1788 NFTA_XFRM_UNSPEC,
1789 NFTA_XFRM_DREG,
1790 NFTA_XFRM_KEY,
1791 NFTA_XFRM_DIR,
1792 NFTA_XFRM_SPNUM,
1793 __NFTA_XFRM_MAX
1794};
1795#define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)
1796
1797enum nft_xfrm_keys {
1798 NFT_XFRM_KEY_UNSPEC,
1799 NFT_XFRM_KEY_DADDR_IP4,
1800 NFT_XFRM_KEY_DADDR_IP6,
1801 NFT_XFRM_KEY_SADDR_IP4,
1802 NFT_XFRM_KEY_SADDR_IP6,
1803 NFT_XFRM_KEY_REQID,
1804 NFT_XFRM_KEY_SPI,
1805 __NFT_XFRM_KEY_MAX,
1806};
1807#define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)
1808
1809/**
1810 * enum nft_trace_attributes - nf_tables trace netlink attributes
1811 *
1812 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1813 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1814 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1815 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1816 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1817 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1818 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1819 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1820 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1821 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1822 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1823 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1824 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1825 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1826 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1827 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1828 */
1829enum nft_trace_attributes {
1830 NFTA_TRACE_UNSPEC,
1831 NFTA_TRACE_TABLE,
1832 NFTA_TRACE_CHAIN,
1833 NFTA_TRACE_RULE_HANDLE,
1834 NFTA_TRACE_TYPE,
1835 NFTA_TRACE_VERDICT,
1836 NFTA_TRACE_ID,
1837 NFTA_TRACE_LL_HEADER,
1838 NFTA_TRACE_NETWORK_HEADER,
1839 NFTA_TRACE_TRANSPORT_HEADER,
1840 NFTA_TRACE_IIF,
1841 NFTA_TRACE_IIFTYPE,
1842 NFTA_TRACE_OIF,
1843 NFTA_TRACE_OIFTYPE,
1844 NFTA_TRACE_MARK,
1845 NFTA_TRACE_NFPROTO,
1846 NFTA_TRACE_POLICY,
1847 NFTA_TRACE_PAD,
1848 __NFTA_TRACE_MAX
1849};
1850#define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1851
1852enum nft_trace_types {
1853 NFT_TRACETYPE_UNSPEC,
1854 NFT_TRACETYPE_POLICY,
1855 NFT_TRACETYPE_RETURN,
1856 NFT_TRACETYPE_RULE,
1857 __NFT_TRACETYPE_MAX
1858};
1859#define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1860
1861/**
1862 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1863 *
1864 * @NFTA_NG_DREG: destination register (NLA_U32)
1865 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1866 * @NFTA_NG_TYPE: operation type (NLA_U32)
1867 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1868 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1869 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1870 */
1871enum nft_ng_attributes {
1872 NFTA_NG_UNSPEC,
1873 NFTA_NG_DREG,
1874 NFTA_NG_MODULUS,
1875 NFTA_NG_TYPE,
1876 NFTA_NG_OFFSET,
1877 NFTA_NG_SET_NAME, /* deprecated */
1878 NFTA_NG_SET_ID, /* deprecated */
1879 __NFTA_NG_MAX
1880};
1881#define NFTA_NG_MAX (__NFTA_NG_MAX - 1)
1882
1883enum nft_ng_types {
1884 NFT_NG_INCREMENTAL,
1885 NFT_NG_RANDOM,
1886 __NFT_NG_MAX
1887};
1888#define NFT_NG_MAX (__NFT_NG_MAX - 1)
1889
1890enum nft_tunnel_key_ip_attributes {
1891 NFTA_TUNNEL_KEY_IP_UNSPEC,
1892 NFTA_TUNNEL_KEY_IP_SRC,
1893 NFTA_TUNNEL_KEY_IP_DST,
1894 __NFTA_TUNNEL_KEY_IP_MAX
1895};
1896#define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1)
1897
1898enum nft_tunnel_ip6_attributes {
1899 NFTA_TUNNEL_KEY_IP6_UNSPEC,
1900 NFTA_TUNNEL_KEY_IP6_SRC,
1901 NFTA_TUNNEL_KEY_IP6_DST,
1902 NFTA_TUNNEL_KEY_IP6_FLOWLABEL,
1903 __NFTA_TUNNEL_KEY_IP6_MAX
1904};
1905#define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1)
1906
1907enum nft_tunnel_opts_attributes {
1908 NFTA_TUNNEL_KEY_OPTS_UNSPEC,
1909 NFTA_TUNNEL_KEY_OPTS_VXLAN,
1910 NFTA_TUNNEL_KEY_OPTS_ERSPAN,
1911 NFTA_TUNNEL_KEY_OPTS_GENEVE,
1912 __NFTA_TUNNEL_KEY_OPTS_MAX
1913};
1914#define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1)
1915
1916enum nft_tunnel_opts_vxlan_attributes {
1917 NFTA_TUNNEL_KEY_VXLAN_UNSPEC,
1918 NFTA_TUNNEL_KEY_VXLAN_GBP,
1919 __NFTA_TUNNEL_KEY_VXLAN_MAX
1920};
1921#define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)
1922
1923enum nft_tunnel_opts_erspan_attributes {
1924 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,
1925 NFTA_TUNNEL_KEY_ERSPAN_VERSION,
1926 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,
1927 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,
1928 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,
1929 __NFTA_TUNNEL_KEY_ERSPAN_MAX
1930};
1931#define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)
1932
1933enum nft_tunnel_opts_geneve_attributes {
1934 NFTA_TUNNEL_KEY_GENEVE_UNSPEC,
1935 NFTA_TUNNEL_KEY_GENEVE_CLASS,
1936 NFTA_TUNNEL_KEY_GENEVE_TYPE,
1937 NFTA_TUNNEL_KEY_GENEVE_DATA,
1938 __NFTA_TUNNEL_KEY_GENEVE_MAX
1939};
1940#define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1)
1941
1942enum nft_tunnel_flags {
1943 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0),
1944 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1),
1945 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2),
1946};
1947#define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \
1948 NFT_TUNNEL_F_DONT_FRAGMENT | \
1949 NFT_TUNNEL_F_SEQ_NUMBER)
1950
1951enum nft_tunnel_key_attributes {
1952 NFTA_TUNNEL_KEY_UNSPEC,
1953 NFTA_TUNNEL_KEY_ID,
1954 NFTA_TUNNEL_KEY_IP,
1955 NFTA_TUNNEL_KEY_IP6,
1956 NFTA_TUNNEL_KEY_FLAGS,
1957 NFTA_TUNNEL_KEY_TOS,
1958 NFTA_TUNNEL_KEY_TTL,
1959 NFTA_TUNNEL_KEY_SPORT,
1960 NFTA_TUNNEL_KEY_DPORT,
1961 NFTA_TUNNEL_KEY_OPTS,
1962 __NFTA_TUNNEL_KEY_MAX
1963};
1964#define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)
1965
1966enum nft_tunnel_keys {
1967 NFT_TUNNEL_PATH,
1968 NFT_TUNNEL_ID,
1969 __NFT_TUNNEL_MAX
1970};
1971#define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)
1972
1973enum nft_tunnel_mode {
1974 NFT_TUNNEL_MODE_NONE,
1975 NFT_TUNNEL_MODE_RX,
1976 NFT_TUNNEL_MODE_TX,
1977 __NFT_TUNNEL_MODE_MAX
1978};
1979#define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1)
1980
1981enum nft_tunnel_attributes {
1982 NFTA_TUNNEL_UNSPEC,
1983 NFTA_TUNNEL_KEY,
1984 NFTA_TUNNEL_DREG,
1985 NFTA_TUNNEL_MODE,
1986 __NFTA_TUNNEL_MAX
1987};
1988#define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)
1989
1990#endif /* _LINUX_NF_TABLES_H */
1991

source code of linux/include/uapi/linux/netfilter/nf_tables.h