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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 * @NFTA_SET_TYPE: set backend type (NLA_STRING)
398 * @NFTA_SET_COUNT: number of set elements (NLA_U32)
399 */
400enum nft_set_attributes {
401 NFTA_SET_UNSPEC,
402 NFTA_SET_TABLE,
403 NFTA_SET_NAME,
404 NFTA_SET_FLAGS,
405 NFTA_SET_KEY_TYPE,
406 NFTA_SET_KEY_LEN,
407 NFTA_SET_DATA_TYPE,
408 NFTA_SET_DATA_LEN,
409 NFTA_SET_POLICY,
410 NFTA_SET_DESC,
411 NFTA_SET_ID,
412 NFTA_SET_TIMEOUT,
413 NFTA_SET_GC_INTERVAL,
414 NFTA_SET_USERDATA,
415 NFTA_SET_PAD,
416 NFTA_SET_OBJ_TYPE,
417 NFTA_SET_HANDLE,
418 NFTA_SET_EXPR,
419 NFTA_SET_EXPRESSIONS,
420 NFTA_SET_TYPE,
421 NFTA_SET_COUNT,
422 __NFTA_SET_MAX
423};
424#define NFTA_SET_MAX (__NFTA_SET_MAX - 1)
425
426/**
427 * enum nft_set_elem_flags - nf_tables set element flags
428 *
429 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
430 * @NFT_SET_ELEM_CATCHALL: special catch-all element
431 */
432enum nft_set_elem_flags {
433 NFT_SET_ELEM_INTERVAL_END = 0x1,
434 NFT_SET_ELEM_CATCHALL = 0x2,
435};
436
437/**
438 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
439 *
440 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
441 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
442 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
443 * @NFTA_SET_ELEM_TIMEOUT: timeout value, zero means never times out (NLA_U64)
444 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
445 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
446 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
447 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
448 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data)
449 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
450 */
451enum nft_set_elem_attributes {
452 NFTA_SET_ELEM_UNSPEC,
453 NFTA_SET_ELEM_KEY,
454 NFTA_SET_ELEM_DATA,
455 NFTA_SET_ELEM_FLAGS,
456 NFTA_SET_ELEM_TIMEOUT,
457 NFTA_SET_ELEM_EXPIRATION,
458 NFTA_SET_ELEM_USERDATA,
459 NFTA_SET_ELEM_EXPR,
460 NFTA_SET_ELEM_PAD,
461 NFTA_SET_ELEM_OBJREF,
462 NFTA_SET_ELEM_KEY_END,
463 NFTA_SET_ELEM_EXPRESSIONS,
464 __NFTA_SET_ELEM_MAX
465};
466#define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)
467
468/**
469 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
470 *
471 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
472 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
473 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
474 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
475 */
476enum nft_set_elem_list_attributes {
477 NFTA_SET_ELEM_LIST_UNSPEC,
478 NFTA_SET_ELEM_LIST_TABLE,
479 NFTA_SET_ELEM_LIST_SET,
480 NFTA_SET_ELEM_LIST_ELEMENTS,
481 NFTA_SET_ELEM_LIST_SET_ID,
482 __NFTA_SET_ELEM_LIST_MAX
483};
484#define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)
485
486/**
487 * enum nft_data_types - nf_tables data types
488 *
489 * @NFT_DATA_VALUE: generic data
490 * @NFT_DATA_VERDICT: netfilter verdict
491 *
492 * The type of data is usually determined by the kernel directly and is not
493 * explicitly specified by userspace. The only difference are sets, where
494 * userspace specifies the key and mapping data types.
495 *
496 * The values 0xffffff00-0xffffffff are reserved for internally used types.
497 * The remaining range can be freely used by userspace to encode types, all
498 * values are equivalent to NFT_DATA_VALUE.
499 */
500enum nft_data_types {
501 NFT_DATA_VALUE,
502 NFT_DATA_VERDICT = 0xffffff00U,
503};
504
505#define NFT_DATA_RESERVED_MASK 0xffffff00U
506
507/**
508 * enum nft_data_attributes - nf_tables data netlink attributes
509 *
510 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
511 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
512 */
513enum nft_data_attributes {
514 NFTA_DATA_UNSPEC,
515 NFTA_DATA_VALUE,
516 NFTA_DATA_VERDICT,
517 __NFTA_DATA_MAX
518};
519#define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)
520
521/* Maximum length of a value */
522#define NFT_DATA_VALUE_MAXLEN 64
523
524/**
525 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
526 *
527 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
528 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
529 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32)
530 */
531enum nft_verdict_attributes {
532 NFTA_VERDICT_UNSPEC,
533 NFTA_VERDICT_CODE,
534 NFTA_VERDICT_CHAIN,
535 NFTA_VERDICT_CHAIN_ID,
536 __NFTA_VERDICT_MAX
537};
538#define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)
539
540/**
541 * enum nft_expr_attributes - nf_tables expression netlink attributes
542 *
543 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
544 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
545 */
546enum nft_expr_attributes {
547 NFTA_EXPR_UNSPEC,
548 NFTA_EXPR_NAME,
549 NFTA_EXPR_DATA,
550 __NFTA_EXPR_MAX
551};
552#define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)
553
554/**
555 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
556 *
557 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
558 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
559 */
560enum nft_immediate_attributes {
561 NFTA_IMMEDIATE_UNSPEC,
562 NFTA_IMMEDIATE_DREG,
563 NFTA_IMMEDIATE_DATA,
564 __NFTA_IMMEDIATE_MAX
565};
566#define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)
567
568/**
569 * enum nft_bitwise_ops - nf_tables bitwise operations
570 *
571 * @NFT_BITWISE_MASK_XOR: mask-and-xor operation used to implement NOT, AND, OR
572 * and XOR boolean operations
573 * @NFT_BITWISE_LSHIFT: left-shift operation
574 * @NFT_BITWISE_RSHIFT: right-shift operation
575 * @NFT_BITWISE_AND: and operation
576 * @NFT_BITWISE_OR: or operation
577 * @NFT_BITWISE_XOR: xor operation
578 */
579enum nft_bitwise_ops {
580 NFT_BITWISE_MASK_XOR,
581 NFT_BITWISE_LSHIFT,
582 NFT_BITWISE_RSHIFT,
583 NFT_BITWISE_AND,
584 NFT_BITWISE_OR,
585 NFT_BITWISE_XOR,
586};
587/*
588 * Old name for NFT_BITWISE_MASK_XOR. Retained for backwards-compatibility.
589 */
590#define NFT_BITWISE_BOOL NFT_BITWISE_MASK_XOR
591
592/**
593 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
594 *
595 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
596 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
597 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
598 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
599 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
600 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops)
601 * @NFTA_BITWISE_DATA: argument for non-boolean operations
602 * (NLA_NESTED: nft_data_attributes)
603 * @NFTA_BITWISE_SREG2: second source register (NLA_U32: nft_registers)
604 *
605 * The bitwise expression supports boolean and shift operations. It implements
606 * the boolean operations by performing the following operation:
607 *
608 * dreg = (sreg & mask) ^ xor
609 *
610 * with these mask and xor values:
611 *
612 * mask xor
613 * NOT: 1 1
614 * OR: ~x x
615 * XOR: 1 x
616 * AND: x 0
617 */
618enum nft_bitwise_attributes {
619 NFTA_BITWISE_UNSPEC,
620 NFTA_BITWISE_SREG,
621 NFTA_BITWISE_DREG,
622 NFTA_BITWISE_LEN,
623 NFTA_BITWISE_MASK,
624 NFTA_BITWISE_XOR,
625 NFTA_BITWISE_OP,
626 NFTA_BITWISE_DATA,
627 NFTA_BITWISE_SREG2,
628 __NFTA_BITWISE_MAX
629};
630#define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)
631
632/**
633 * enum nft_byteorder_ops - nf_tables byteorder operators
634 *
635 * @NFT_BYTEORDER_NTOH: network to host operator
636 * @NFT_BYTEORDER_HTON: host to network operator
637 */
638enum nft_byteorder_ops {
639 NFT_BYTEORDER_NTOH,
640 NFT_BYTEORDER_HTON,
641};
642
643/**
644 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
645 *
646 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
647 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
648 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
649 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
650 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
651 */
652enum nft_byteorder_attributes {
653 NFTA_BYTEORDER_UNSPEC,
654 NFTA_BYTEORDER_SREG,
655 NFTA_BYTEORDER_DREG,
656 NFTA_BYTEORDER_OP,
657 NFTA_BYTEORDER_LEN,
658 NFTA_BYTEORDER_SIZE,
659 __NFTA_BYTEORDER_MAX
660};
661#define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)
662
663/**
664 * enum nft_cmp_ops - nf_tables relational operator
665 *
666 * @NFT_CMP_EQ: equal
667 * @NFT_CMP_NEQ: not equal
668 * @NFT_CMP_LT: less than
669 * @NFT_CMP_LTE: less than or equal to
670 * @NFT_CMP_GT: greater than
671 * @NFT_CMP_GTE: greater than or equal to
672 */
673enum nft_cmp_ops {
674 NFT_CMP_EQ,
675 NFT_CMP_NEQ,
676 NFT_CMP_LT,
677 NFT_CMP_LTE,
678 NFT_CMP_GT,
679 NFT_CMP_GTE,
680};
681
682/**
683 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
684 *
685 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
686 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
687 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
688 */
689enum nft_cmp_attributes {
690 NFTA_CMP_UNSPEC,
691 NFTA_CMP_SREG,
692 NFTA_CMP_OP,
693 NFTA_CMP_DATA,
694 __NFTA_CMP_MAX
695};
696#define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)
697
698/**
699 * enum nft_range_ops - nf_tables range operator
700 *
701 * @NFT_RANGE_EQ: equal
702 * @NFT_RANGE_NEQ: not equal
703 */
704enum nft_range_ops {
705 NFT_RANGE_EQ,
706 NFT_RANGE_NEQ,
707};
708
709/**
710 * enum nft_range_attributes - nf_tables range expression netlink attributes
711 *
712 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
713 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops)
714 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
715 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
716 */
717enum nft_range_attributes {
718 NFTA_RANGE_UNSPEC,
719 NFTA_RANGE_SREG,
720 NFTA_RANGE_OP,
721 NFTA_RANGE_FROM_DATA,
722 NFTA_RANGE_TO_DATA,
723 __NFTA_RANGE_MAX
724};
725#define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)
726
727enum nft_lookup_flags {
728 NFT_LOOKUP_F_INV = (1 << 0),
729};
730
731/**
732 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
733 *
734 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
735 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
736 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
737 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
738 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
739 */
740enum nft_lookup_attributes {
741 NFTA_LOOKUP_UNSPEC,
742 NFTA_LOOKUP_SET,
743 NFTA_LOOKUP_SREG,
744 NFTA_LOOKUP_DREG,
745 NFTA_LOOKUP_SET_ID,
746 NFTA_LOOKUP_FLAGS,
747 __NFTA_LOOKUP_MAX
748};
749#define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)
750
751enum nft_dynset_ops {
752 NFT_DYNSET_OP_ADD,
753 NFT_DYNSET_OP_UPDATE,
754 NFT_DYNSET_OP_DELETE,
755};
756
757enum nft_dynset_flags {
758 NFT_DYNSET_F_INV = (1 << 0),
759 NFT_DYNSET_F_EXPR = (1 << 1),
760};
761
762/**
763 * enum nft_dynset_attributes - dynset expression attributes
764 *
765 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
766 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
767 * @NFTA_DYNSET_OP: operation (NLA_U32)
768 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
769 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
770 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
771 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
772 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
773 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
774 */
775enum nft_dynset_attributes {
776 NFTA_DYNSET_UNSPEC,
777 NFTA_DYNSET_SET_NAME,
778 NFTA_DYNSET_SET_ID,
779 NFTA_DYNSET_OP,
780 NFTA_DYNSET_SREG_KEY,
781 NFTA_DYNSET_SREG_DATA,
782 NFTA_DYNSET_TIMEOUT,
783 NFTA_DYNSET_EXPR,
784 NFTA_DYNSET_PAD,
785 NFTA_DYNSET_FLAGS,
786 NFTA_DYNSET_EXPRESSIONS,
787 __NFTA_DYNSET_MAX,
788};
789#define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)
790
791/**
792 * enum nft_payload_bases - nf_tables payload expression offset bases
793 *
794 * @NFT_PAYLOAD_LL_HEADER: link layer header
795 * @NFT_PAYLOAD_NETWORK_HEADER: network header
796 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
797 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload
798 */
799enum nft_payload_bases {
800 NFT_PAYLOAD_LL_HEADER,
801 NFT_PAYLOAD_NETWORK_HEADER,
802 NFT_PAYLOAD_TRANSPORT_HEADER,
803 NFT_PAYLOAD_INNER_HEADER,
804 NFT_PAYLOAD_TUN_HEADER,
805};
806
807/**
808 * enum nft_payload_csum_types - nf_tables payload expression checksum types
809 *
810 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
811 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
812 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309)
813 */
814enum nft_payload_csum_types {
815 NFT_PAYLOAD_CSUM_NONE,
816 NFT_PAYLOAD_CSUM_INET,
817 NFT_PAYLOAD_CSUM_SCTP,
818};
819
820enum nft_payload_csum_flags {
821 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
822};
823
824enum nft_inner_type {
825 NFT_INNER_UNSPEC = 0,
826 NFT_INNER_VXLAN,
827 NFT_INNER_GENEVE,
828};
829
830enum nft_inner_flags {
831 NFT_INNER_HDRSIZE = (1 << 0),
832 NFT_INNER_LL = (1 << 1),
833 NFT_INNER_NH = (1 << 2),
834 NFT_INNER_TH = (1 << 3),
835};
836#define NFT_INNER_MASK (NFT_INNER_HDRSIZE | NFT_INNER_LL | \
837 NFT_INNER_NH | NFT_INNER_TH)
838
839enum nft_inner_attributes {
840 NFTA_INNER_UNSPEC,
841 NFTA_INNER_NUM,
842 NFTA_INNER_TYPE,
843 NFTA_INNER_FLAGS,
844 NFTA_INNER_HDRSIZE,
845 NFTA_INNER_EXPR,
846 __NFTA_INNER_MAX
847};
848#define NFTA_INNER_MAX (__NFTA_INNER_MAX - 1)
849
850/**
851 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
852 *
853 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
854 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
855 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
856 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
857 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
858 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
859 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
860 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
861 */
862enum nft_payload_attributes {
863 NFTA_PAYLOAD_UNSPEC,
864 NFTA_PAYLOAD_DREG,
865 NFTA_PAYLOAD_BASE,
866 NFTA_PAYLOAD_OFFSET,
867 NFTA_PAYLOAD_LEN,
868 NFTA_PAYLOAD_SREG,
869 NFTA_PAYLOAD_CSUM_TYPE,
870 NFTA_PAYLOAD_CSUM_OFFSET,
871 NFTA_PAYLOAD_CSUM_FLAGS,
872 __NFTA_PAYLOAD_MAX
873};
874#define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)
875
876enum nft_exthdr_flags {
877 NFT_EXTHDR_F_PRESENT = (1 << 0),
878};
879
880/**
881 * enum nft_exthdr_op - nf_tables match options
882 *
883 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
884 * @NFT_EXTHDR_OP_TCPOPT: match against tcp options
885 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options
886 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks
887 * @NFT_EXTHDR_OP_DCCP: match against dccp otions
888 */
889enum nft_exthdr_op {
890 NFT_EXTHDR_OP_IPV6,
891 NFT_EXTHDR_OP_TCPOPT,
892 NFT_EXTHDR_OP_IPV4,
893 NFT_EXTHDR_OP_SCTP,
894 NFT_EXTHDR_OP_DCCP,
895 __NFT_EXTHDR_OP_MAX
896};
897#define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)
898
899/**
900 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
901 *
902 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
903 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
904 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
905 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
906 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
907 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
908 * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers)
909 */
910enum nft_exthdr_attributes {
911 NFTA_EXTHDR_UNSPEC,
912 NFTA_EXTHDR_DREG,
913 NFTA_EXTHDR_TYPE,
914 NFTA_EXTHDR_OFFSET,
915 NFTA_EXTHDR_LEN,
916 NFTA_EXTHDR_FLAGS,
917 NFTA_EXTHDR_OP,
918 NFTA_EXTHDR_SREG,
919 __NFTA_EXTHDR_MAX
920};
921#define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)
922
923/**
924 * enum nft_meta_keys - nf_tables meta expression keys
925 *
926 * @NFT_META_LEN: packet length (skb->len)
927 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
928 * @NFT_META_PRIORITY: packet priority (skb->priority)
929 * @NFT_META_MARK: packet mark (skb->mark)
930 * @NFT_META_IIF: packet input interface index (dev->ifindex)
931 * @NFT_META_OIF: packet output interface index (dev->ifindex)
932 * @NFT_META_IIFNAME: packet input interface name (dev->name)
933 * @NFT_META_OIFNAME: packet output interface name (dev->name)
934 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
935 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
936 * @NFT_META_SKUID: originating socket UID (fsuid)
937 * @NFT_META_SKGID: originating socket GID (fsgid)
938 * @NFT_META_NFTRACE: packet nftrace bit
939 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
940 * @NFT_META_SECMARK: packet secmark (skb->secmark)
941 * @NFT_META_NFPROTO: netfilter protocol
942 * @NFT_META_L4PROTO: layer 4 protocol number
943 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
944 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
945 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
946 * @NFT_META_CPU: cpu id through smp_processor_id()
947 * @NFT_META_IIFGROUP: packet input interface group
948 * @NFT_META_OIFGROUP: packet output interface group
949 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
950 * @NFT_META_PRANDOM: a 32bit pseudo-random number
951 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
952 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
953 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
954 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid
955 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto
956 * @NFT_META_TIME_NS: time since epoch (in nanoseconds)
957 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday)
958 * @NFT_META_TIME_HOUR: hour of day (in seconds)
959 * @NFT_META_SDIF: slave device interface index
960 * @NFT_META_SDIFNAME: slave device interface name
961 * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit
962 * @NFT_META_BRI_IIFHWADDR: packet input bridge interface ethernet address
963 */
964enum nft_meta_keys {
965 NFT_META_LEN,
966 NFT_META_PROTOCOL,
967 NFT_META_PRIORITY,
968 NFT_META_MARK,
969 NFT_META_IIF,
970 NFT_META_OIF,
971 NFT_META_IIFNAME,
972 NFT_META_OIFNAME,
973 NFT_META_IFTYPE,
974#define NFT_META_IIFTYPE NFT_META_IFTYPE
975 NFT_META_OIFTYPE,
976 NFT_META_SKUID,
977 NFT_META_SKGID,
978 NFT_META_NFTRACE,
979 NFT_META_RTCLASSID,
980 NFT_META_SECMARK,
981 NFT_META_NFPROTO,
982 NFT_META_L4PROTO,
983 NFT_META_BRI_IIFNAME,
984 NFT_META_BRI_OIFNAME,
985 NFT_META_PKTTYPE,
986 NFT_META_CPU,
987 NFT_META_IIFGROUP,
988 NFT_META_OIFGROUP,
989 NFT_META_CGROUP,
990 NFT_META_PRANDOM,
991 NFT_META_SECPATH,
992 NFT_META_IIFKIND,
993 NFT_META_OIFKIND,
994 NFT_META_BRI_IIFPVID,
995 NFT_META_BRI_IIFVPROTO,
996 NFT_META_TIME_NS,
997 NFT_META_TIME_DAY,
998 NFT_META_TIME_HOUR,
999 NFT_META_SDIF,
1000 NFT_META_SDIFNAME,
1001 NFT_META_BRI_BROUTE,
1002 __NFT_META_IIFTYPE,
1003 NFT_META_BRI_IIFHWADDR,
1004};
1005
1006/**
1007 * enum nft_rt_keys - nf_tables routing expression keys
1008 *
1009 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
1010 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
1011 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
1012 * @NFT_RT_TCPMSS: fetch current path tcp mss
1013 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL
1014 */
1015enum nft_rt_keys {
1016 NFT_RT_CLASSID,
1017 NFT_RT_NEXTHOP4,
1018 NFT_RT_NEXTHOP6,
1019 NFT_RT_TCPMSS,
1020 NFT_RT_XFRM,
1021 __NFT_RT_MAX
1022};
1023#define NFT_RT_MAX (__NFT_RT_MAX - 1)
1024
1025/**
1026 * enum nft_hash_types - nf_tables hash expression types
1027 *
1028 * @NFT_HASH_JENKINS: Jenkins Hash
1029 * @NFT_HASH_SYM: Symmetric Hash
1030 */
1031enum nft_hash_types {
1032 NFT_HASH_JENKINS,
1033 NFT_HASH_SYM,
1034};
1035
1036/**
1037 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
1038 *
1039 * @NFTA_HASH_SREG: source register (NLA_U32)
1040 * @NFTA_HASH_DREG: destination register (NLA_U32)
1041 * @NFTA_HASH_LEN: source data length (NLA_U32)
1042 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
1043 * @NFTA_HASH_SEED: seed value (NLA_U32)
1044 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
1045 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
1046 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
1047 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
1048 */
1049enum nft_hash_attributes {
1050 NFTA_HASH_UNSPEC,
1051 NFTA_HASH_SREG,
1052 NFTA_HASH_DREG,
1053 NFTA_HASH_LEN,
1054 NFTA_HASH_MODULUS,
1055 NFTA_HASH_SEED,
1056 NFTA_HASH_OFFSET,
1057 NFTA_HASH_TYPE,
1058 NFTA_HASH_SET_NAME, /* deprecated */
1059 NFTA_HASH_SET_ID, /* deprecated */
1060 __NFTA_HASH_MAX,
1061};
1062#define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)
1063
1064/**
1065 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
1066 *
1067 * @NFTA_META_DREG: destination register (NLA_U32)
1068 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
1069 * @NFTA_META_SREG: source register (NLA_U32)
1070 */
1071enum nft_meta_attributes {
1072 NFTA_META_UNSPEC,
1073 NFTA_META_DREG,
1074 NFTA_META_KEY,
1075 NFTA_META_SREG,
1076 __NFTA_META_MAX
1077};
1078#define NFTA_META_MAX (__NFTA_META_MAX - 1)
1079
1080/**
1081 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
1082 *
1083 * @NFTA_RT_DREG: destination register (NLA_U32)
1084 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
1085 */
1086enum nft_rt_attributes {
1087 NFTA_RT_UNSPEC,
1088 NFTA_RT_DREG,
1089 NFTA_RT_KEY,
1090 __NFTA_RT_MAX
1091};
1092#define NFTA_RT_MAX (__NFTA_RT_MAX - 1)
1093
1094/**
1095 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
1096 *
1097 * @NFTA_SOCKET_KEY: socket key to match
1098 * @NFTA_SOCKET_DREG: destination register
1099 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2)
1100 */
1101enum nft_socket_attributes {
1102 NFTA_SOCKET_UNSPEC,
1103 NFTA_SOCKET_KEY,
1104 NFTA_SOCKET_DREG,
1105 NFTA_SOCKET_LEVEL,
1106 __NFTA_SOCKET_MAX
1107};
1108#define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)
1109
1110/*
1111 * enum nft_socket_keys - nf_tables socket expression keys
1112 *
1113 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option
1114 * @NFT_SOCKET_MARK: Value of the socket mark
1115 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0)
1116 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2
1117 */
1118enum nft_socket_keys {
1119 NFT_SOCKET_TRANSPARENT,
1120 NFT_SOCKET_MARK,
1121 NFT_SOCKET_WILDCARD,
1122 NFT_SOCKET_CGROUPV2,
1123 __NFT_SOCKET_MAX
1124};
1125#define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)
1126
1127/**
1128 * enum nft_ct_keys - nf_tables ct expression keys
1129 *
1130 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
1131 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
1132 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
1133 * @NFT_CT_MARK: conntrack mark value
1134 * @NFT_CT_SECMARK: conntrack secmark value
1135 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
1136 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
1137 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
1138 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
1139 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
1140 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
1141 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
1142 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
1143 * @NFT_CT_LABELS: conntrack labels
1144 * @NFT_CT_PKTS: conntrack packets
1145 * @NFT_CT_BYTES: conntrack bytes
1146 * @NFT_CT_AVGPKT: conntrack average bytes per packet
1147 * @NFT_CT_ZONE: conntrack zone
1148 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
1149 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
1150 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
1151 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
1152 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
1153 * @NFT_CT_ID: conntrack id
1154 */
1155enum nft_ct_keys {
1156 NFT_CT_STATE,
1157 NFT_CT_DIRECTION,
1158 NFT_CT_STATUS,
1159 NFT_CT_MARK,
1160 NFT_CT_SECMARK,
1161 NFT_CT_EXPIRATION,
1162 NFT_CT_HELPER,
1163 NFT_CT_L3PROTOCOL,
1164 NFT_CT_SRC,
1165 NFT_CT_DST,
1166 NFT_CT_PROTOCOL,
1167 NFT_CT_PROTO_SRC,
1168 NFT_CT_PROTO_DST,
1169 NFT_CT_LABELS,
1170 NFT_CT_PKTS,
1171 NFT_CT_BYTES,
1172 NFT_CT_AVGPKT,
1173 NFT_CT_ZONE,
1174 NFT_CT_EVENTMASK,
1175 NFT_CT_SRC_IP,
1176 NFT_CT_DST_IP,
1177 NFT_CT_SRC_IP6,
1178 NFT_CT_DST_IP6,
1179 NFT_CT_ID,
1180 __NFT_CT_MAX
1181};
1182#define NFT_CT_MAX (__NFT_CT_MAX - 1)
1183
1184/**
1185 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
1186 *
1187 * @NFTA_CT_DREG: destination register (NLA_U32)
1188 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
1189 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
1190 * @NFTA_CT_SREG: source register (NLA_U32)
1191 */
1192enum nft_ct_attributes {
1193 NFTA_CT_UNSPEC,
1194 NFTA_CT_DREG,
1195 NFTA_CT_KEY,
1196 NFTA_CT_DIRECTION,
1197 NFTA_CT_SREG,
1198 __NFTA_CT_MAX
1199};
1200#define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
1201
1202/**
1203 * enum nft_offload_attributes - ct offload expression attributes
1204 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1205 */
1206enum nft_offload_attributes {
1207 NFTA_FLOW_UNSPEC,
1208 NFTA_FLOW_TABLE_NAME,
1209 __NFTA_FLOW_MAX,
1210};
1211#define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)
1212
1213enum nft_limit_type {
1214 NFT_LIMIT_PKTS,
1215 NFT_LIMIT_PKT_BYTES
1216};
1217
1218enum nft_limit_flags {
1219 NFT_LIMIT_F_INV = (1 << 0),
1220};
1221
1222/**
1223 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1224 *
1225 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1226 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1227 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1228 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1229 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1230 */
1231enum nft_limit_attributes {
1232 NFTA_LIMIT_UNSPEC,
1233 NFTA_LIMIT_RATE,
1234 NFTA_LIMIT_UNIT,
1235 NFTA_LIMIT_BURST,
1236 NFTA_LIMIT_TYPE,
1237 NFTA_LIMIT_FLAGS,
1238 NFTA_LIMIT_PAD,
1239 __NFTA_LIMIT_MAX
1240};
1241#define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
1242
1243enum nft_connlimit_flags {
1244 NFT_CONNLIMIT_F_INV = (1 << 0),
1245};
1246
1247/**
1248 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1249 *
1250 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1251 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1252 */
1253enum nft_connlimit_attributes {
1254 NFTA_CONNLIMIT_UNSPEC,
1255 NFTA_CONNLIMIT_COUNT,
1256 NFTA_CONNLIMIT_FLAGS,
1257 __NFTA_CONNLIMIT_MAX
1258};
1259#define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)
1260
1261/**
1262 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1263 *
1264 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1265 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1266 */
1267enum nft_counter_attributes {
1268 NFTA_COUNTER_UNSPEC,
1269 NFTA_COUNTER_BYTES,
1270 NFTA_COUNTER_PACKETS,
1271 NFTA_COUNTER_PAD,
1272 __NFTA_COUNTER_MAX
1273};
1274#define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)
1275
1276/**
1277 * enum nft_last_attributes - nf_tables last expression netlink attributes
1278 *
1279 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32)
1280 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64)
1281 */
1282enum nft_last_attributes {
1283 NFTA_LAST_UNSPEC,
1284 NFTA_LAST_SET,
1285 NFTA_LAST_MSECS,
1286 NFTA_LAST_PAD,
1287 __NFTA_LAST_MAX
1288};
1289#define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1)
1290
1291/**
1292 * enum nft_log_attributes - nf_tables log expression netlink attributes
1293 *
1294 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16)
1295 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1296 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1297 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16)
1298 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1299 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1300 */
1301enum nft_log_attributes {
1302 NFTA_LOG_UNSPEC,
1303 NFTA_LOG_GROUP,
1304 NFTA_LOG_PREFIX,
1305 NFTA_LOG_SNAPLEN,
1306 NFTA_LOG_QTHRESHOLD,
1307 NFTA_LOG_LEVEL,
1308 NFTA_LOG_FLAGS,
1309 __NFTA_LOG_MAX
1310};
1311#define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)
1312
1313/**
1314 * enum nft_log_level - nf_tables log levels
1315 *
1316 * @NFT_LOGLEVEL_EMERG: system is unusable
1317 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
1318 * @NFT_LOGLEVEL_CRIT: critical conditions
1319 * @NFT_LOGLEVEL_ERR: error conditions
1320 * @NFT_LOGLEVEL_WARNING: warning conditions
1321 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
1322 * @NFT_LOGLEVEL_INFO: informational
1323 * @NFT_LOGLEVEL_DEBUG: debug-level messages
1324 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
1325 */
1326enum nft_log_level {
1327 NFT_LOGLEVEL_EMERG,
1328 NFT_LOGLEVEL_ALERT,
1329 NFT_LOGLEVEL_CRIT,
1330 NFT_LOGLEVEL_ERR,
1331 NFT_LOGLEVEL_WARNING,
1332 NFT_LOGLEVEL_NOTICE,
1333 NFT_LOGLEVEL_INFO,
1334 NFT_LOGLEVEL_DEBUG,
1335 NFT_LOGLEVEL_AUDIT,
1336 __NFT_LOGLEVEL_MAX
1337};
1338#define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1)
1339
1340/**
1341 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1342 *
1343 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1344 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1345 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1346 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1347 */
1348enum nft_queue_attributes {
1349 NFTA_QUEUE_UNSPEC,
1350 NFTA_QUEUE_NUM,
1351 NFTA_QUEUE_TOTAL,
1352 NFTA_QUEUE_FLAGS,
1353 NFTA_QUEUE_SREG_QNUM,
1354 __NFTA_QUEUE_MAX
1355};
1356#define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)
1357
1358#define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */
1359#define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */
1360#define NFT_QUEUE_FLAG_MASK 0x03
1361
1362enum nft_quota_flags {
1363 NFT_QUOTA_F_INV = (1 << 0),
1364 NFT_QUOTA_F_DEPLETED = (1 << 1),
1365};
1366
1367/**
1368 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1369 *
1370 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1371 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1372 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1373 */
1374enum nft_quota_attributes {
1375 NFTA_QUOTA_UNSPEC,
1376 NFTA_QUOTA_BYTES,
1377 NFTA_QUOTA_FLAGS,
1378 NFTA_QUOTA_PAD,
1379 NFTA_QUOTA_CONSUMED,
1380 __NFTA_QUOTA_MAX
1381};
1382#define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)
1383
1384/**
1385 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes
1386 *
1387 * @NFTA_SECMARK_CTX: security context (NLA_STRING)
1388 */
1389enum nft_secmark_attributes {
1390 NFTA_SECMARK_UNSPEC,
1391 NFTA_SECMARK_CTX,
1392 __NFTA_SECMARK_MAX,
1393};
1394#define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1)
1395
1396/* Max security context length */
1397#define NFT_SECMARK_CTX_MAXLEN 4096
1398
1399/**
1400 * enum nft_reject_types - nf_tables reject expression reject types
1401 *
1402 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1403 * @NFT_REJECT_TCP_RST: reject using TCP RST
1404 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1405 */
1406enum nft_reject_types {
1407 NFT_REJECT_ICMP_UNREACH,
1408 NFT_REJECT_TCP_RST,
1409 NFT_REJECT_ICMPX_UNREACH,
1410};
1411
1412/**
1413 * enum nft_reject_inet_code - Generic reject codes for IPv4/IPv6
1414 *
1415 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1416 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1417 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1418 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1419 *
1420 * These codes are mapped to real ICMP and ICMPv6 codes.
1421 */
1422enum nft_reject_inet_code {
1423 NFT_REJECT_ICMPX_NO_ROUTE = 0,
1424 NFT_REJECT_ICMPX_PORT_UNREACH,
1425 NFT_REJECT_ICMPX_HOST_UNREACH,
1426 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1427 __NFT_REJECT_ICMPX_MAX
1428};
1429#define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)
1430
1431/**
1432 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1433 *
1434 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1435 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1436 */
1437enum nft_reject_attributes {
1438 NFTA_REJECT_UNSPEC,
1439 NFTA_REJECT_TYPE,
1440 NFTA_REJECT_ICMP_CODE,
1441 __NFTA_REJECT_MAX
1442};
1443#define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)
1444
1445/**
1446 * enum nft_nat_types - nf_tables nat expression NAT types
1447 *
1448 * @NFT_NAT_SNAT: source NAT
1449 * @NFT_NAT_DNAT: destination NAT
1450 */
1451enum nft_nat_types {
1452 NFT_NAT_SNAT,
1453 NFT_NAT_DNAT,
1454};
1455
1456/**
1457 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1458 *
1459 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1460 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1461 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1462 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1463 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1464 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1465 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1466 */
1467enum nft_nat_attributes {
1468 NFTA_NAT_UNSPEC,
1469 NFTA_NAT_TYPE,
1470 NFTA_NAT_FAMILY,
1471 NFTA_NAT_REG_ADDR_MIN,
1472 NFTA_NAT_REG_ADDR_MAX,
1473 NFTA_NAT_REG_PROTO_MIN,
1474 NFTA_NAT_REG_PROTO_MAX,
1475 NFTA_NAT_FLAGS,
1476 __NFTA_NAT_MAX
1477};
1478#define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)
1479
1480/**
1481 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
1482 *
1483 * @NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
1484 * @NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
1485 * @NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
1486 */
1487enum nft_tproxy_attributes {
1488 NFTA_TPROXY_UNSPEC,
1489 NFTA_TPROXY_FAMILY,
1490 NFTA_TPROXY_REG_ADDR,
1491 NFTA_TPROXY_REG_PORT,
1492 __NFTA_TPROXY_MAX
1493};
1494#define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1)
1495
1496/**
1497 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1498 *
1499 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1500 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1501 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1502 */
1503enum nft_masq_attributes {
1504 NFTA_MASQ_UNSPEC,
1505 NFTA_MASQ_FLAGS,
1506 NFTA_MASQ_REG_PROTO_MIN,
1507 NFTA_MASQ_REG_PROTO_MAX,
1508 __NFTA_MASQ_MAX
1509};
1510#define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)
1511
1512/**
1513 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1514 *
1515 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1516 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1517 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1518 */
1519enum nft_redir_attributes {
1520 NFTA_REDIR_UNSPEC,
1521 NFTA_REDIR_REG_PROTO_MIN,
1522 NFTA_REDIR_REG_PROTO_MAX,
1523 NFTA_REDIR_FLAGS,
1524 __NFTA_REDIR_MAX
1525};
1526#define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
1527
1528/**
1529 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1530 *
1531 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1532 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1533 */
1534enum nft_dup_attributes {
1535 NFTA_DUP_UNSPEC,
1536 NFTA_DUP_SREG_ADDR,
1537 NFTA_DUP_SREG_DEV,
1538 __NFTA_DUP_MAX
1539};
1540#define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
1541
1542/**
1543 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1544 *
1545 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1546 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1547 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1548 */
1549enum nft_fwd_attributes {
1550 NFTA_FWD_UNSPEC,
1551 NFTA_FWD_SREG_DEV,
1552 NFTA_FWD_SREG_ADDR,
1553 NFTA_FWD_NFPROTO,
1554 __NFTA_FWD_MAX
1555};
1556#define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)
1557
1558/**
1559 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1560 *
1561 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1562 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1563 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1564 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1565 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1566 */
1567enum nft_objref_attributes {
1568 NFTA_OBJREF_UNSPEC,
1569 NFTA_OBJREF_IMM_TYPE,
1570 NFTA_OBJREF_IMM_NAME,
1571 NFTA_OBJREF_SET_SREG,
1572 NFTA_OBJREF_SET_NAME,
1573 NFTA_OBJREF_SET_ID,
1574 __NFTA_OBJREF_MAX
1575};
1576#define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)
1577
1578/**
1579 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1580 *
1581 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1582 */
1583enum nft_gen_attributes {
1584 NFTA_GEN_UNSPEC,
1585 NFTA_GEN_ID,
1586 NFTA_GEN_PROC_PID,
1587 NFTA_GEN_PROC_NAME,
1588 __NFTA_GEN_MAX
1589};
1590#define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)
1591
1592/*
1593 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1594 *
1595 * @NFTA_FIB_DREG: destination register (NLA_U32)
1596 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1597 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1598 *
1599 * The FIB expression performs a route lookup according
1600 * to the packet data.
1601 */
1602enum nft_fib_attributes {
1603 NFTA_FIB_UNSPEC,
1604 NFTA_FIB_DREG,
1605 NFTA_FIB_RESULT,
1606 NFTA_FIB_FLAGS,
1607 __NFTA_FIB_MAX
1608};
1609#define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1610
1611enum nft_fib_result {
1612 NFT_FIB_RESULT_UNSPEC,
1613 NFT_FIB_RESULT_OIF,
1614 NFT_FIB_RESULT_OIFNAME,
1615 NFT_FIB_RESULT_ADDRTYPE,
1616 __NFT_FIB_RESULT_MAX
1617};
1618#define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)
1619
1620enum nft_fib_flags {
1621 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */
1622 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */
1623 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */
1624 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */
1625 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */
1626 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */
1627};
1628
1629enum nft_ct_helper_attributes {
1630 NFTA_CT_HELPER_UNSPEC,
1631 NFTA_CT_HELPER_NAME,
1632 NFTA_CT_HELPER_L3PROTO,
1633 NFTA_CT_HELPER_L4PROTO,
1634 __NFTA_CT_HELPER_MAX,
1635};
1636#define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)
1637
1638enum nft_ct_timeout_timeout_attributes {
1639 NFTA_CT_TIMEOUT_UNSPEC,
1640 NFTA_CT_TIMEOUT_L3PROTO,
1641 NFTA_CT_TIMEOUT_L4PROTO,
1642 NFTA_CT_TIMEOUT_DATA,
1643 __NFTA_CT_TIMEOUT_MAX,
1644};
1645#define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1)
1646
1647enum nft_ct_expectation_attributes {
1648 NFTA_CT_EXPECT_UNSPEC,
1649 NFTA_CT_EXPECT_L3PROTO,
1650 NFTA_CT_EXPECT_L4PROTO,
1651 NFTA_CT_EXPECT_DPORT,
1652 NFTA_CT_EXPECT_TIMEOUT,
1653 NFTA_CT_EXPECT_SIZE,
1654 __NFTA_CT_EXPECT_MAX,
1655};
1656#define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1)
1657
1658#define NFT_OBJECT_UNSPEC 0
1659#define NFT_OBJECT_COUNTER 1
1660#define NFT_OBJECT_QUOTA 2
1661#define NFT_OBJECT_CT_HELPER 3
1662#define NFT_OBJECT_LIMIT 4
1663#define NFT_OBJECT_CONNLIMIT 5
1664#define NFT_OBJECT_TUNNEL 6
1665#define NFT_OBJECT_CT_TIMEOUT 7
1666#define NFT_OBJECT_SECMARK 8
1667#define NFT_OBJECT_CT_EXPECT 9
1668#define NFT_OBJECT_SYNPROXY 10
1669#define __NFT_OBJECT_MAX 11
1670#define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)
1671
1672/**
1673 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1674 *
1675 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1676 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1677 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1678 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1679 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1680 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1681 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY)
1682 */
1683enum nft_object_attributes {
1684 NFTA_OBJ_UNSPEC,
1685 NFTA_OBJ_TABLE,
1686 NFTA_OBJ_NAME,
1687 NFTA_OBJ_TYPE,
1688 NFTA_OBJ_DATA,
1689 NFTA_OBJ_USE,
1690 NFTA_OBJ_HANDLE,
1691 NFTA_OBJ_PAD,
1692 NFTA_OBJ_USERDATA,
1693 __NFTA_OBJ_MAX
1694};
1695#define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)
1696
1697/**
1698 * enum nft_flowtable_flags - nf_tables flowtable flags
1699 *
1700 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled
1701 * @NFT_FLOWTABLE_COUNTER: enable flow counters
1702 */
1703enum nft_flowtable_flags {
1704 NFT_FLOWTABLE_HW_OFFLOAD = 0x1,
1705 NFT_FLOWTABLE_COUNTER = 0x2,
1706 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD |
1707 NFT_FLOWTABLE_COUNTER)
1708};
1709
1710/**
1711 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1712 *
1713 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1714 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1715 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration (NLA_NESTED)
1716 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1717 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1718 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32)
1719 */
1720enum nft_flowtable_attributes {
1721 NFTA_FLOWTABLE_UNSPEC,
1722 NFTA_FLOWTABLE_TABLE,
1723 NFTA_FLOWTABLE_NAME,
1724 NFTA_FLOWTABLE_HOOK,
1725 NFTA_FLOWTABLE_USE,
1726 NFTA_FLOWTABLE_HANDLE,
1727 NFTA_FLOWTABLE_PAD,
1728 NFTA_FLOWTABLE_FLAGS,
1729 __NFTA_FLOWTABLE_MAX
1730};
1731#define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)
1732
1733/**
1734 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1735 *
1736 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1737 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1738 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1739 */
1740enum nft_flowtable_hook_attributes {
1741 NFTA_FLOWTABLE_HOOK_UNSPEC,
1742 NFTA_FLOWTABLE_HOOK_NUM,
1743 NFTA_FLOWTABLE_HOOK_PRIORITY,
1744 NFTA_FLOWTABLE_HOOK_DEVS,
1745 __NFTA_FLOWTABLE_HOOK_MAX
1746};
1747#define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)
1748
1749/**
1750 * enum nft_osf_attributes - nftables osf expression netlink attributes
1751 *
1752 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers)
1753 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8)
1754 * @NFTA_OSF_FLAGS: flags (NLA_U32)
1755 */
1756enum nft_osf_attributes {
1757 NFTA_OSF_UNSPEC,
1758 NFTA_OSF_DREG,
1759 NFTA_OSF_TTL,
1760 NFTA_OSF_FLAGS,
1761 __NFTA_OSF_MAX,
1762};
1763#define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)
1764
1765enum nft_osf_flags {
1766 NFT_OSF_F_VERSION = (1 << 0),
1767};
1768
1769/**
1770 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes
1771 *
1772 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16)
1773 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8)
1774 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32)
1775 */
1776enum nft_synproxy_attributes {
1777 NFTA_SYNPROXY_UNSPEC,
1778 NFTA_SYNPROXY_MSS,
1779 NFTA_SYNPROXY_WSCALE,
1780 NFTA_SYNPROXY_FLAGS,
1781 __NFTA_SYNPROXY_MAX,
1782};
1783#define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1)
1784
1785/**
1786 * enum nft_devices_attributes - nf_tables device netlink attributes
1787 *
1788 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1789 * @NFTA_DEVICE_PREFIX: device name prefix, a simple wildcard (NLA_STRING)
1790 */
1791enum nft_devices_attributes {
1792 NFTA_DEVICE_UNSPEC,
1793 NFTA_DEVICE_NAME,
1794 NFTA_DEVICE_PREFIX,
1795 __NFTA_DEVICE_MAX
1796};
1797#define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)
1798
1799/*
1800 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
1801 *
1802 * @NFTA_XFRM_DREG: destination register (NLA_U32)
1803 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
1804 * @NFTA_XFRM_DIR: direction (NLA_U8)
1805 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
1806 */
1807enum nft_xfrm_attributes {
1808 NFTA_XFRM_UNSPEC,
1809 NFTA_XFRM_DREG,
1810 NFTA_XFRM_KEY,
1811 NFTA_XFRM_DIR,
1812 NFTA_XFRM_SPNUM,
1813 __NFTA_XFRM_MAX
1814};
1815#define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)
1816
1817enum nft_xfrm_keys {
1818 NFT_XFRM_KEY_UNSPEC,
1819 NFT_XFRM_KEY_DADDR_IP4,
1820 NFT_XFRM_KEY_DADDR_IP6,
1821 NFT_XFRM_KEY_SADDR_IP4,
1822 NFT_XFRM_KEY_SADDR_IP6,
1823 NFT_XFRM_KEY_REQID,
1824 NFT_XFRM_KEY_SPI,
1825 __NFT_XFRM_KEY_MAX,
1826};
1827#define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)
1828
1829/**
1830 * enum nft_trace_attributes - nf_tables trace netlink attributes
1831 *
1832 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1833 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1834 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1835 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1836 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1837 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1838 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1839 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1840 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1841 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1842 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1843 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1844 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1845 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1846 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1847 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1848 * @NFTA_TRACE_CT_ID: conntrack id (NLA_U32)
1849 * @NFTA_TRACE_CT_DIRECTION: packets direction (NLA_U8)
1850 * @NFTA_TRACE_CT_STATUS: conntrack status (NLA_U32)
1851 * @NFTA_TRACE_CT_STATE: packet state (new, established, ...) (NLA_U32)
1852 */
1853enum nft_trace_attributes {
1854 NFTA_TRACE_UNSPEC,
1855 NFTA_TRACE_TABLE,
1856 NFTA_TRACE_CHAIN,
1857 NFTA_TRACE_RULE_HANDLE,
1858 NFTA_TRACE_TYPE,
1859 NFTA_TRACE_VERDICT,
1860 NFTA_TRACE_ID,
1861 NFTA_TRACE_LL_HEADER,
1862 NFTA_TRACE_NETWORK_HEADER,
1863 NFTA_TRACE_TRANSPORT_HEADER,
1864 NFTA_TRACE_IIF,
1865 NFTA_TRACE_IIFTYPE,
1866 NFTA_TRACE_OIF,
1867 NFTA_TRACE_OIFTYPE,
1868 NFTA_TRACE_MARK,
1869 NFTA_TRACE_NFPROTO,
1870 NFTA_TRACE_POLICY,
1871 NFTA_TRACE_PAD,
1872 NFTA_TRACE_CT_ID,
1873 NFTA_TRACE_CT_DIRECTION,
1874 NFTA_TRACE_CT_STATUS,
1875 NFTA_TRACE_CT_STATE,
1876 __NFTA_TRACE_MAX
1877};
1878#define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1879
1880enum nft_trace_types {
1881 NFT_TRACETYPE_UNSPEC,
1882 NFT_TRACETYPE_POLICY,
1883 NFT_TRACETYPE_RETURN,
1884 NFT_TRACETYPE_RULE,
1885 __NFT_TRACETYPE_MAX
1886};
1887#define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1888
1889/**
1890 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1891 *
1892 * @NFTA_NG_DREG: destination register (NLA_U32)
1893 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1894 * @NFTA_NG_TYPE: operation type (NLA_U32)
1895 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1896 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1897 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1898 */
1899enum nft_ng_attributes {
1900 NFTA_NG_UNSPEC,
1901 NFTA_NG_DREG,
1902 NFTA_NG_MODULUS,
1903 NFTA_NG_TYPE,
1904 NFTA_NG_OFFSET,
1905 NFTA_NG_SET_NAME, /* deprecated */
1906 NFTA_NG_SET_ID, /* deprecated */
1907 __NFTA_NG_MAX
1908};
1909#define NFTA_NG_MAX (__NFTA_NG_MAX - 1)
1910
1911enum nft_ng_types {
1912 NFT_NG_INCREMENTAL,
1913 NFT_NG_RANDOM,
1914 __NFT_NG_MAX
1915};
1916#define NFT_NG_MAX (__NFT_NG_MAX - 1)
1917
1918enum nft_tunnel_key_ip_attributes {
1919 NFTA_TUNNEL_KEY_IP_UNSPEC,
1920 NFTA_TUNNEL_KEY_IP_SRC,
1921 NFTA_TUNNEL_KEY_IP_DST,
1922 __NFTA_TUNNEL_KEY_IP_MAX
1923};
1924#define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1)
1925
1926enum nft_tunnel_ip6_attributes {
1927 NFTA_TUNNEL_KEY_IP6_UNSPEC,
1928 NFTA_TUNNEL_KEY_IP6_SRC,
1929 NFTA_TUNNEL_KEY_IP6_DST,
1930 NFTA_TUNNEL_KEY_IP6_FLOWLABEL,
1931 __NFTA_TUNNEL_KEY_IP6_MAX
1932};
1933#define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1)
1934
1935enum nft_tunnel_opts_attributes {
1936 NFTA_TUNNEL_KEY_OPTS_UNSPEC,
1937 NFTA_TUNNEL_KEY_OPTS_VXLAN,
1938 NFTA_TUNNEL_KEY_OPTS_ERSPAN,
1939 NFTA_TUNNEL_KEY_OPTS_GENEVE,
1940 __NFTA_TUNNEL_KEY_OPTS_MAX
1941};
1942#define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1)
1943
1944enum nft_tunnel_opts_vxlan_attributes {
1945 NFTA_TUNNEL_KEY_VXLAN_UNSPEC,
1946 NFTA_TUNNEL_KEY_VXLAN_GBP,
1947 __NFTA_TUNNEL_KEY_VXLAN_MAX
1948};
1949#define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)
1950
1951enum nft_tunnel_opts_erspan_attributes {
1952 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,
1953 NFTA_TUNNEL_KEY_ERSPAN_VERSION,
1954 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,
1955 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,
1956 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,
1957 __NFTA_TUNNEL_KEY_ERSPAN_MAX
1958};
1959#define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)
1960
1961enum nft_tunnel_opts_geneve_attributes {
1962 NFTA_TUNNEL_KEY_GENEVE_UNSPEC,
1963 NFTA_TUNNEL_KEY_GENEVE_CLASS,
1964 NFTA_TUNNEL_KEY_GENEVE_TYPE,
1965 NFTA_TUNNEL_KEY_GENEVE_DATA,
1966 __NFTA_TUNNEL_KEY_GENEVE_MAX
1967};
1968#define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1)
1969
1970enum nft_tunnel_flags {
1971 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0),
1972 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1),
1973 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2),
1974};
1975#define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \
1976 NFT_TUNNEL_F_DONT_FRAGMENT | \
1977 NFT_TUNNEL_F_SEQ_NUMBER)
1978
1979enum nft_tunnel_key_attributes {
1980 NFTA_TUNNEL_KEY_UNSPEC,
1981 NFTA_TUNNEL_KEY_ID,
1982 NFTA_TUNNEL_KEY_IP,
1983 NFTA_TUNNEL_KEY_IP6,
1984 NFTA_TUNNEL_KEY_FLAGS,
1985 NFTA_TUNNEL_KEY_TOS,
1986 NFTA_TUNNEL_KEY_TTL,
1987 NFTA_TUNNEL_KEY_SPORT,
1988 NFTA_TUNNEL_KEY_DPORT,
1989 NFTA_TUNNEL_KEY_OPTS,
1990 __NFTA_TUNNEL_KEY_MAX
1991};
1992#define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)
1993
1994enum nft_tunnel_keys {
1995 NFT_TUNNEL_PATH,
1996 NFT_TUNNEL_ID,
1997 __NFT_TUNNEL_MAX
1998};
1999#define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)
2000
2001enum nft_tunnel_mode {
2002 NFT_TUNNEL_MODE_NONE,
2003 NFT_TUNNEL_MODE_RX,
2004 NFT_TUNNEL_MODE_TX,
2005 __NFT_TUNNEL_MODE_MAX
2006};
2007#define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1)
2008
2009enum nft_tunnel_attributes {
2010 NFTA_TUNNEL_UNSPEC,
2011 NFTA_TUNNEL_KEY,
2012 NFTA_TUNNEL_DREG,
2013 NFTA_TUNNEL_MODE,
2014 __NFTA_TUNNEL_MAX
2015};
2016#define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)
2017
2018#endif /* _LINUX_NF_TABLES_H */
2019

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