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96518518 PM |
1 | #ifndef _LINUX_NF_TABLES_H |
2 | #define _LINUX_NF_TABLES_H | |
3 | ||
0768b3b3 PNA |
4 | #define NFT_CHAIN_MAXNAMELEN 32 |
5 | #define NFT_USERDATA_MAXLEN 256 | |
96518518 PM |
6 | |
7 | enum nft_registers { | |
8 | NFT_REG_VERDICT, | |
9 | NFT_REG_1, | |
10 | NFT_REG_2, | |
11 | NFT_REG_3, | |
12 | NFT_REG_4, | |
13 | __NFT_REG_MAX | |
14 | }; | |
15 | #define NFT_REG_MAX (__NFT_REG_MAX - 1) | |
16 | ||
17 | /** | |
18 | * enum nft_verdicts - nf_tables internal verdicts | |
19 | * | |
20 | * @NFT_CONTINUE: continue evaluation of the current rule | |
21 | * @NFT_BREAK: terminate evaluation of the current rule | |
22 | * @NFT_JUMP: push the current chain on the jump stack and jump to a chain | |
23 | * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack | |
24 | * @NFT_RETURN: return to the topmost chain on the jump stack | |
25 | * | |
26 | * The nf_tables verdicts share their numeric space with the netfilter verdicts. | |
27 | */ | |
28 | enum nft_verdicts { | |
29 | NFT_CONTINUE = -1, | |
30 | NFT_BREAK = -2, | |
31 | NFT_JUMP = -3, | |
32 | NFT_GOTO = -4, | |
33 | NFT_RETURN = -5, | |
34 | }; | |
35 | ||
36 | /** | |
37 | * enum nf_tables_msg_types - nf_tables netlink message types | |
38 | * | |
39 | * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes) | |
40 | * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes) | |
41 | * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes) | |
42 | * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes) | |
43 | * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes) | |
44 | * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes) | |
45 | * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes) | |
46 | * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes) | |
47 | * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes) | |
20a69341 PM |
48 | * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes) |
49 | * @NFT_MSG_GETSET: get a set (enum nft_set_attributes) | |
50 | * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes) | |
51 | * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes) | |
52 | * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes) | |
53 | * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes) | |
96518518 PM |
54 | */ |
55 | enum nf_tables_msg_types { | |
56 | NFT_MSG_NEWTABLE, | |
57 | NFT_MSG_GETTABLE, | |
58 | NFT_MSG_DELTABLE, | |
59 | NFT_MSG_NEWCHAIN, | |
60 | NFT_MSG_GETCHAIN, | |
61 | NFT_MSG_DELCHAIN, | |
62 | NFT_MSG_NEWRULE, | |
63 | NFT_MSG_GETRULE, | |
64 | NFT_MSG_DELRULE, | |
20a69341 PM |
65 | NFT_MSG_NEWSET, |
66 | NFT_MSG_GETSET, | |
67 | NFT_MSG_DELSET, | |
68 | NFT_MSG_NEWSETELEM, | |
69 | NFT_MSG_GETSETELEM, | |
70 | NFT_MSG_DELSETELEM, | |
96518518 PM |
71 | NFT_MSG_MAX, |
72 | }; | |
73 | ||
20a69341 PM |
74 | /** |
75 | * enum nft_list_attributes - nf_tables generic list netlink attributes | |
76 | * | |
77 | * @NFTA_LIST_ELEM: list element (NLA_NESTED) | |
78 | */ | |
96518518 PM |
79 | enum nft_list_attributes { |
80 | NFTA_LIST_UNPEC, | |
81 | NFTA_LIST_ELEM, | |
82 | __NFTA_LIST_MAX | |
83 | }; | |
84 | #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) | |
85 | ||
86 | /** | |
87 | * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes | |
88 | * | |
89 | * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) | |
90 | * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) | |
91 | */ | |
92 | enum nft_hook_attributes { | |
93 | NFTA_HOOK_UNSPEC, | |
94 | NFTA_HOOK_HOOKNUM, | |
95 | NFTA_HOOK_PRIORITY, | |
96 | __NFTA_HOOK_MAX | |
97 | }; | |
98 | #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) | |
99 | ||
9ddf6323 PNA |
100 | /** |
101 | * enum nft_table_flags - nf_tables table flags | |
102 | * | |
103 | * @NFT_TABLE_F_DORMANT: this table is not active | |
104 | */ | |
105 | enum nft_table_flags { | |
106 | NFT_TABLE_F_DORMANT = 0x1, | |
107 | }; | |
108 | ||
96518518 PM |
109 | /** |
110 | * enum nft_table_attributes - nf_tables table netlink attributes | |
111 | * | |
112 | * @NFTA_TABLE_NAME: name of the table (NLA_STRING) | |
9ddf6323 | 113 | * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) |
d8bcc768 | 114 | * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) |
96518518 PM |
115 | */ |
116 | enum nft_table_attributes { | |
117 | NFTA_TABLE_UNSPEC, | |
118 | NFTA_TABLE_NAME, | |
9ddf6323 | 119 | NFTA_TABLE_FLAGS, |
d8bcc768 | 120 | NFTA_TABLE_USE, |
96518518 PM |
121 | __NFTA_TABLE_MAX |
122 | }; | |
123 | #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) | |
124 | ||
125 | /** | |
126 | * enum nft_chain_attributes - nf_tables chain netlink attributes | |
127 | * | |
128 | * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) | |
129 | * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) | |
130 | * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) | |
131 | * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) | |
0ca743a5 PNA |
132 | * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) |
133 | * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) | |
9370761c | 134 | * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) |
0ca743a5 | 135 | * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) |
96518518 PM |
136 | */ |
137 | enum nft_chain_attributes { | |
138 | NFTA_CHAIN_UNSPEC, | |
139 | NFTA_CHAIN_TABLE, | |
140 | NFTA_CHAIN_HANDLE, | |
141 | NFTA_CHAIN_NAME, | |
142 | NFTA_CHAIN_HOOK, | |
0ca743a5 PNA |
143 | NFTA_CHAIN_POLICY, |
144 | NFTA_CHAIN_USE, | |
9370761c | 145 | NFTA_CHAIN_TYPE, |
0ca743a5 | 146 | NFTA_CHAIN_COUNTERS, |
96518518 PM |
147 | __NFTA_CHAIN_MAX |
148 | }; | |
149 | #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) | |
150 | ||
151 | /** | |
152 | * enum nft_rule_attributes - nf_tables rule netlink attributes | |
153 | * | |
154 | * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) | |
155 | * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) | |
156 | * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) | |
157 | * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) | |
0ca743a5 | 158 | * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) |
5e948466 | 159 | * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) |
0768b3b3 | 160 | * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) |
96518518 PM |
161 | */ |
162 | enum nft_rule_attributes { | |
163 | NFTA_RULE_UNSPEC, | |
164 | NFTA_RULE_TABLE, | |
165 | NFTA_RULE_CHAIN, | |
166 | NFTA_RULE_HANDLE, | |
167 | NFTA_RULE_EXPRESSIONS, | |
0ca743a5 | 168 | NFTA_RULE_COMPAT, |
5e948466 | 169 | NFTA_RULE_POSITION, |
0768b3b3 | 170 | NFTA_RULE_USERDATA, |
96518518 PM |
171 | __NFTA_RULE_MAX |
172 | }; | |
173 | #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) | |
174 | ||
0ca743a5 PNA |
175 | /** |
176 | * enum nft_rule_compat_flags - nf_tables rule compat flags | |
177 | * | |
178 | * @NFT_RULE_COMPAT_F_INV: invert the check result | |
179 | */ | |
180 | enum nft_rule_compat_flags { | |
181 | NFT_RULE_COMPAT_F_INV = (1 << 1), | |
182 | NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, | |
183 | }; | |
184 | ||
185 | /** | |
186 | * enum nft_rule_compat_attributes - nf_tables rule compat attributes | |
187 | * | |
188 | * @NFTA_RULE_COMPAT_PROTO: numerice value of handled protocol (NLA_U32) | |
189 | * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) | |
190 | */ | |
191 | enum nft_rule_compat_attributes { | |
192 | NFTA_RULE_COMPAT_UNSPEC, | |
193 | NFTA_RULE_COMPAT_PROTO, | |
194 | NFTA_RULE_COMPAT_FLAGS, | |
195 | __NFTA_RULE_COMPAT_MAX | |
196 | }; | |
197 | #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) | |
198 | ||
20a69341 PM |
199 | /** |
200 | * enum nft_set_flags - nf_tables set flags | |
201 | * | |
202 | * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink | |
203 | * @NFT_SET_CONSTANT: set contents may not change while bound | |
204 | * @NFT_SET_INTERVAL: set contains intervals | |
205 | * @NFT_SET_MAP: set is used as a dictionary | |
206 | */ | |
207 | enum nft_set_flags { | |
208 | NFT_SET_ANONYMOUS = 0x1, | |
209 | NFT_SET_CONSTANT = 0x2, | |
210 | NFT_SET_INTERVAL = 0x4, | |
211 | NFT_SET_MAP = 0x8, | |
212 | }; | |
213 | ||
c50b960c PM |
214 | /** |
215 | * enum nft_set_policies - set selection policy | |
216 | * | |
217 | * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use | |
218 | * @NFT_SET_POL_MEMORY: prefer low memory use over high performance | |
219 | */ | |
220 | enum nft_set_policies { | |
221 | NFT_SET_POL_PERFORMANCE, | |
222 | NFT_SET_POL_MEMORY, | |
223 | }; | |
224 | ||
225 | /** | |
226 | * enum nft_set_desc_attributes - set element description | |
227 | * | |
228 | * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) | |
229 | */ | |
230 | enum nft_set_desc_attributes { | |
231 | NFTA_SET_DESC_UNSPEC, | |
232 | NFTA_SET_DESC_SIZE, | |
233 | __NFTA_SET_DESC_MAX | |
234 | }; | |
235 | #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) | |
236 | ||
20a69341 PM |
237 | /** |
238 | * enum nft_set_attributes - nf_tables set netlink attributes | |
239 | * | |
240 | * @NFTA_SET_TABLE: table name (NLA_STRING) | |
241 | * @NFTA_SET_NAME: set name (NLA_STRING) | |
242 | * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) | |
243 | * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) | |
244 | * @NFTA_SET_KEY_LEN: key data length (NLA_U32) | |
245 | * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) | |
246 | * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) | |
c50b960c PM |
247 | * @NFTA_SET_POLICY: selection policy (NLA_U32) |
248 | * @NFTA_SET_DESC: set description (NLA_NESTED) | |
958bee14 | 249 | * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) |
20a69341 PM |
250 | */ |
251 | enum nft_set_attributes { | |
252 | NFTA_SET_UNSPEC, | |
253 | NFTA_SET_TABLE, | |
254 | NFTA_SET_NAME, | |
255 | NFTA_SET_FLAGS, | |
256 | NFTA_SET_KEY_TYPE, | |
257 | NFTA_SET_KEY_LEN, | |
258 | NFTA_SET_DATA_TYPE, | |
259 | NFTA_SET_DATA_LEN, | |
c50b960c PM |
260 | NFTA_SET_POLICY, |
261 | NFTA_SET_DESC, | |
958bee14 | 262 | NFTA_SET_ID, |
20a69341 PM |
263 | __NFTA_SET_MAX |
264 | }; | |
265 | #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) | |
266 | ||
267 | /** | |
268 | * enum nft_set_elem_flags - nf_tables set element flags | |
269 | * | |
270 | * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval | |
271 | */ | |
272 | enum nft_set_elem_flags { | |
273 | NFT_SET_ELEM_INTERVAL_END = 0x1, | |
274 | }; | |
275 | ||
276 | /** | |
277 | * enum nft_set_elem_attributes - nf_tables set element netlink attributes | |
278 | * | |
279 | * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) | |
280 | * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) | |
281 | * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) | |
282 | */ | |
283 | enum nft_set_elem_attributes { | |
284 | NFTA_SET_ELEM_UNSPEC, | |
285 | NFTA_SET_ELEM_KEY, | |
286 | NFTA_SET_ELEM_DATA, | |
287 | NFTA_SET_ELEM_FLAGS, | |
288 | __NFTA_SET_ELEM_MAX | |
289 | }; | |
290 | #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) | |
291 | ||
292 | /** | |
293 | * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes | |
294 | * | |
295 | * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) | |
296 | * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) | |
297 | * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) | |
958bee14 | 298 | * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) |
20a69341 PM |
299 | */ |
300 | enum nft_set_elem_list_attributes { | |
301 | NFTA_SET_ELEM_LIST_UNSPEC, | |
302 | NFTA_SET_ELEM_LIST_TABLE, | |
303 | NFTA_SET_ELEM_LIST_SET, | |
304 | NFTA_SET_ELEM_LIST_ELEMENTS, | |
958bee14 | 305 | NFTA_SET_ELEM_LIST_SET_ID, |
20a69341 PM |
306 | __NFTA_SET_ELEM_LIST_MAX |
307 | }; | |
308 | #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) | |
309 | ||
310 | /** | |
311 | * enum nft_data_types - nf_tables data types | |
312 | * | |
313 | * @NFT_DATA_VALUE: generic data | |
314 | * @NFT_DATA_VERDICT: netfilter verdict | |
315 | * | |
316 | * The type of data is usually determined by the kernel directly and is not | |
317 | * explicitly specified by userspace. The only difference are sets, where | |
318 | * userspace specifies the key and mapping data types. | |
319 | * | |
320 | * The values 0xffffff00-0xffffffff are reserved for internally used types. | |
321 | * The remaining range can be freely used by userspace to encode types, all | |
322 | * values are equivalent to NFT_DATA_VALUE. | |
323 | */ | |
324 | enum nft_data_types { | |
325 | NFT_DATA_VALUE, | |
326 | NFT_DATA_VERDICT = 0xffffff00U, | |
327 | }; | |
328 | ||
329 | #define NFT_DATA_RESERVED_MASK 0xffffff00U | |
330 | ||
331 | /** | |
332 | * enum nft_data_attributes - nf_tables data netlink attributes | |
333 | * | |
334 | * @NFTA_DATA_VALUE: generic data (NLA_BINARY) | |
335 | * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) | |
336 | */ | |
96518518 PM |
337 | enum nft_data_attributes { |
338 | NFTA_DATA_UNSPEC, | |
339 | NFTA_DATA_VALUE, | |
340 | NFTA_DATA_VERDICT, | |
341 | __NFTA_DATA_MAX | |
342 | }; | |
343 | #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) | |
344 | ||
345 | /** | |
346 | * enum nft_verdict_attributes - nf_tables verdict netlink attributes | |
347 | * | |
348 | * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) | |
349 | * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) | |
350 | */ | |
351 | enum nft_verdict_attributes { | |
352 | NFTA_VERDICT_UNSPEC, | |
353 | NFTA_VERDICT_CODE, | |
354 | NFTA_VERDICT_CHAIN, | |
355 | __NFTA_VERDICT_MAX | |
356 | }; | |
357 | #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) | |
358 | ||
359 | /** | |
360 | * enum nft_expr_attributes - nf_tables expression netlink attributes | |
361 | * | |
362 | * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) | |
363 | * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) | |
364 | */ | |
365 | enum nft_expr_attributes { | |
366 | NFTA_EXPR_UNSPEC, | |
367 | NFTA_EXPR_NAME, | |
368 | NFTA_EXPR_DATA, | |
369 | __NFTA_EXPR_MAX | |
370 | }; | |
371 | #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) | |
372 | ||
373 | /** | |
374 | * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes | |
375 | * | |
376 | * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) | |
377 | * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) | |
378 | */ | |
379 | enum nft_immediate_attributes { | |
380 | NFTA_IMMEDIATE_UNSPEC, | |
381 | NFTA_IMMEDIATE_DREG, | |
382 | NFTA_IMMEDIATE_DATA, | |
383 | __NFTA_IMMEDIATE_MAX | |
384 | }; | |
385 | #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) | |
386 | ||
387 | /** | |
388 | * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes | |
389 | * | |
390 | * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) | |
391 | * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) | |
392 | * @NFTA_BITWISE_LEN: length of operands (NLA_U32) | |
393 | * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) | |
394 | * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) | |
395 | * | |
396 | * The bitwise expression performs the following operation: | |
397 | * | |
398 | * dreg = (sreg & mask) ^ xor | |
399 | * | |
400 | * which allow to express all bitwise operations: | |
401 | * | |
402 | * mask xor | |
403 | * NOT: 1 1 | |
404 | * OR: 0 x | |
405 | * XOR: 1 x | |
406 | * AND: x 0 | |
407 | */ | |
408 | enum nft_bitwise_attributes { | |
409 | NFTA_BITWISE_UNSPEC, | |
410 | NFTA_BITWISE_SREG, | |
411 | NFTA_BITWISE_DREG, | |
412 | NFTA_BITWISE_LEN, | |
413 | NFTA_BITWISE_MASK, | |
414 | NFTA_BITWISE_XOR, | |
415 | __NFTA_BITWISE_MAX | |
416 | }; | |
417 | #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) | |
418 | ||
419 | /** | |
420 | * enum nft_byteorder_ops - nf_tables byteorder operators | |
421 | * | |
422 | * @NFT_BYTEORDER_NTOH: network to host operator | |
423 | * @NFT_BYTEORDER_HTON: host to network opertaor | |
424 | */ | |
425 | enum nft_byteorder_ops { | |
426 | NFT_BYTEORDER_NTOH, | |
427 | NFT_BYTEORDER_HTON, | |
428 | }; | |
429 | ||
430 | /** | |
431 | * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes | |
432 | * | |
433 | * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) | |
434 | * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) | |
435 | * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) | |
436 | * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) | |
437 | * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) | |
438 | */ | |
439 | enum nft_byteorder_attributes { | |
440 | NFTA_BYTEORDER_UNSPEC, | |
441 | NFTA_BYTEORDER_SREG, | |
442 | NFTA_BYTEORDER_DREG, | |
443 | NFTA_BYTEORDER_OP, | |
444 | NFTA_BYTEORDER_LEN, | |
445 | NFTA_BYTEORDER_SIZE, | |
446 | __NFTA_BYTEORDER_MAX | |
447 | }; | |
448 | #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) | |
449 | ||
450 | /** | |
451 | * enum nft_cmp_ops - nf_tables relational operator | |
452 | * | |
453 | * @NFT_CMP_EQ: equal | |
454 | * @NFT_CMP_NEQ: not equal | |
455 | * @NFT_CMP_LT: less than | |
456 | * @NFT_CMP_LTE: less than or equal to | |
457 | * @NFT_CMP_GT: greater than | |
458 | * @NFT_CMP_GTE: greater than or equal to | |
459 | */ | |
460 | enum nft_cmp_ops { | |
461 | NFT_CMP_EQ, | |
462 | NFT_CMP_NEQ, | |
463 | NFT_CMP_LT, | |
464 | NFT_CMP_LTE, | |
465 | NFT_CMP_GT, | |
466 | NFT_CMP_GTE, | |
467 | }; | |
468 | ||
469 | /** | |
470 | * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes | |
471 | * | |
472 | * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) | |
473 | * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) | |
474 | * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) | |
475 | */ | |
476 | enum nft_cmp_attributes { | |
477 | NFTA_CMP_UNSPEC, | |
478 | NFTA_CMP_SREG, | |
479 | NFTA_CMP_OP, | |
480 | NFTA_CMP_DATA, | |
481 | __NFTA_CMP_MAX | |
482 | }; | |
483 | #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) | |
484 | ||
20a69341 PM |
485 | /** |
486 | * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes | |
487 | * | |
488 | * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) | |
489 | * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) | |
490 | * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) | |
958bee14 | 491 | * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) |
20a69341 PM |
492 | */ |
493 | enum nft_lookup_attributes { | |
494 | NFTA_LOOKUP_UNSPEC, | |
495 | NFTA_LOOKUP_SET, | |
496 | NFTA_LOOKUP_SREG, | |
497 | NFTA_LOOKUP_DREG, | |
958bee14 | 498 | NFTA_LOOKUP_SET_ID, |
20a69341 | 499 | __NFTA_LOOKUP_MAX |
96518518 | 500 | }; |
20a69341 | 501 | #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) |
96518518 PM |
502 | |
503 | /** | |
504 | * enum nft_payload_bases - nf_tables payload expression offset bases | |
505 | * | |
506 | * @NFT_PAYLOAD_LL_HEADER: link layer header | |
507 | * @NFT_PAYLOAD_NETWORK_HEADER: network header | |
508 | * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header | |
509 | */ | |
510 | enum nft_payload_bases { | |
511 | NFT_PAYLOAD_LL_HEADER, | |
512 | NFT_PAYLOAD_NETWORK_HEADER, | |
513 | NFT_PAYLOAD_TRANSPORT_HEADER, | |
514 | }; | |
515 | ||
516 | /** | |
517 | * enum nft_payload_attributes - nf_tables payload expression netlink attributes | |
518 | * | |
519 | * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) | |
520 | * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) | |
521 | * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) | |
522 | * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) | |
523 | */ | |
524 | enum nft_payload_attributes { | |
525 | NFTA_PAYLOAD_UNSPEC, | |
526 | NFTA_PAYLOAD_DREG, | |
527 | NFTA_PAYLOAD_BASE, | |
528 | NFTA_PAYLOAD_OFFSET, | |
529 | NFTA_PAYLOAD_LEN, | |
530 | __NFTA_PAYLOAD_MAX | |
531 | }; | |
532 | #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) | |
533 | ||
534 | /** | |
535 | * enum nft_exthdr_attributes - nf_tables IPv6 extension header expression netlink attributes | |
536 | * | |
537 | * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) | |
538 | * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) | |
539 | * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) | |
540 | * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) | |
541 | */ | |
542 | enum nft_exthdr_attributes { | |
543 | NFTA_EXTHDR_UNSPEC, | |
544 | NFTA_EXTHDR_DREG, | |
545 | NFTA_EXTHDR_TYPE, | |
546 | NFTA_EXTHDR_OFFSET, | |
547 | NFTA_EXTHDR_LEN, | |
548 | __NFTA_EXTHDR_MAX | |
549 | }; | |
550 | #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) | |
551 | ||
552 | /** | |
553 | * enum nft_meta_keys - nf_tables meta expression keys | |
554 | * | |
555 | * @NFT_META_LEN: packet length (skb->len) | |
556 | * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT | |
557 | * @NFT_META_PRIORITY: packet priority (skb->priority) | |
558 | * @NFT_META_MARK: packet mark (skb->mark) | |
559 | * @NFT_META_IIF: packet input interface index (dev->ifindex) | |
560 | * @NFT_META_OIF: packet output interface index (dev->ifindex) | |
561 | * @NFT_META_IIFNAME: packet input interface name (dev->name) | |
562 | * @NFT_META_OIFNAME: packet output interface name (dev->name) | |
563 | * @NFT_META_IIFTYPE: packet input interface type (dev->type) | |
564 | * @NFT_META_OIFTYPE: packet output interface type (dev->type) | |
565 | * @NFT_META_SKUID: originating socket UID (fsuid) | |
566 | * @NFT_META_SKGID: originating socket GID (fsgid) | |
567 | * @NFT_META_NFTRACE: packet nftrace bit | |
568 | * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) | |
569 | * @NFT_META_SECMARK: packet secmark (skb->secmark) | |
124edfa9 | 570 | * @NFT_META_NFPROTO: netfilter protocol |
4566bf27 | 571 | * @NFT_META_L4PROTO: layer 4 protocol number |
f5efc696 TB |
572 | * @NFT_META_BRI_IIFNAME: packet input bridge interface name |
573 | * @NFT_META_BRI_OIFNAME: packet output bridge interface name | |
e2a093ff | 574 | * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback |
afc5be30 | 575 | * @NFT_META_CPU: cpu id through smp_processor_id() |
3045d760 AR |
576 | * @NFT_META_IIFGROUP: packet input interface group |
577 | * @NFT_META_OIFGROUP: packet output interface group | |
96518518 PM |
578 | */ |
579 | enum nft_meta_keys { | |
580 | NFT_META_LEN, | |
581 | NFT_META_PROTOCOL, | |
582 | NFT_META_PRIORITY, | |
583 | NFT_META_MARK, | |
584 | NFT_META_IIF, | |
585 | NFT_META_OIF, | |
586 | NFT_META_IIFNAME, | |
587 | NFT_META_OIFNAME, | |
588 | NFT_META_IIFTYPE, | |
589 | NFT_META_OIFTYPE, | |
590 | NFT_META_SKUID, | |
591 | NFT_META_SKGID, | |
592 | NFT_META_NFTRACE, | |
593 | NFT_META_RTCLASSID, | |
594 | NFT_META_SECMARK, | |
124edfa9 | 595 | NFT_META_NFPROTO, |
4566bf27 | 596 | NFT_META_L4PROTO, |
f5efc696 TB |
597 | NFT_META_BRI_IIFNAME, |
598 | NFT_META_BRI_OIFNAME, | |
e2a093ff | 599 | NFT_META_PKTTYPE, |
afc5be30 | 600 | NFT_META_CPU, |
3045d760 AR |
601 | NFT_META_IIFGROUP, |
602 | NFT_META_OIFGROUP, | |
96518518 PM |
603 | }; |
604 | ||
605 | /** | |
606 | * enum nft_meta_attributes - nf_tables meta expression netlink attributes | |
607 | * | |
608 | * @NFTA_META_DREG: destination register (NLA_U32) | |
609 | * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) | |
e035b77a | 610 | * @NFTA_META_SREG: source register (NLA_U32) |
96518518 PM |
611 | */ |
612 | enum nft_meta_attributes { | |
613 | NFTA_META_UNSPEC, | |
614 | NFTA_META_DREG, | |
615 | NFTA_META_KEY, | |
e035b77a | 616 | NFTA_META_SREG, |
96518518 PM |
617 | __NFTA_META_MAX |
618 | }; | |
619 | #define NFTA_META_MAX (__NFTA_META_MAX - 1) | |
620 | ||
621 | /** | |
622 | * enum nft_ct_keys - nf_tables ct expression keys | |
623 | * | |
624 | * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) | |
625 | * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) | |
626 | * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) | |
627 | * @NFT_CT_MARK: conntrack mark value | |
628 | * @NFT_CT_SECMARK: conntrack secmark value | |
629 | * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms | |
630 | * @NFT_CT_HELPER: connection tracking helper assigned to conntrack | |
631 | * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol | |
632 | * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address) | |
633 | * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address) | |
634 | * @NFT_CT_PROTOCOL: conntrack layer 4 protocol | |
635 | * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source | |
636 | * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination | |
637 | */ | |
638 | enum nft_ct_keys { | |
639 | NFT_CT_STATE, | |
640 | NFT_CT_DIRECTION, | |
641 | NFT_CT_STATUS, | |
642 | NFT_CT_MARK, | |
643 | NFT_CT_SECMARK, | |
644 | NFT_CT_EXPIRATION, | |
645 | NFT_CT_HELPER, | |
646 | NFT_CT_L3PROTOCOL, | |
647 | NFT_CT_SRC, | |
648 | NFT_CT_DST, | |
649 | NFT_CT_PROTOCOL, | |
650 | NFT_CT_PROTO_SRC, | |
651 | NFT_CT_PROTO_DST, | |
d2bf2f34 | 652 | NFT_CT_LABELS, |
96518518 PM |
653 | }; |
654 | ||
655 | /** | |
656 | * enum nft_ct_attributes - nf_tables ct expression netlink attributes | |
657 | * | |
658 | * @NFTA_CT_DREG: destination register (NLA_U32) | |
659 | * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) | |
660 | * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) | |
c4ede3d3 | 661 | * @NFTA_CT_SREG: source register (NLA_U32) |
96518518 PM |
662 | */ |
663 | enum nft_ct_attributes { | |
664 | NFTA_CT_UNSPEC, | |
665 | NFTA_CT_DREG, | |
666 | NFTA_CT_KEY, | |
667 | NFTA_CT_DIRECTION, | |
c4ede3d3 | 668 | NFTA_CT_SREG, |
96518518 PM |
669 | __NFTA_CT_MAX |
670 | }; | |
671 | #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) | |
672 | ||
673 | /** | |
674 | * enum nft_limit_attributes - nf_tables limit expression netlink attributes | |
675 | * | |
676 | * @NFTA_LIMIT_RATE: refill rate (NLA_U64) | |
677 | * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) | |
678 | */ | |
679 | enum nft_limit_attributes { | |
680 | NFTA_LIMIT_UNSPEC, | |
681 | NFTA_LIMIT_RATE, | |
682 | NFTA_LIMIT_UNIT, | |
683 | __NFTA_LIMIT_MAX | |
684 | }; | |
685 | #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) | |
686 | ||
687 | /** | |
688 | * enum nft_counter_attributes - nf_tables counter expression netlink attributes | |
689 | * | |
690 | * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) | |
691 | * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) | |
692 | */ | |
693 | enum nft_counter_attributes { | |
694 | NFTA_COUNTER_UNSPEC, | |
695 | NFTA_COUNTER_BYTES, | |
696 | NFTA_COUNTER_PACKETS, | |
697 | __NFTA_COUNTER_MAX | |
698 | }; | |
699 | #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) | |
700 | ||
701 | /** | |
702 | * enum nft_log_attributes - nf_tables log expression netlink attributes | |
703 | * | |
704 | * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32) | |
705 | * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) | |
706 | * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) | |
707 | * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32) | |
09d27b88 PNA |
708 | * @NFTA_LOG_LEVEL: log level (NLA_U32) |
709 | * @NFTA_LOG_FLAGS: logging flags (NLA_U32) | |
96518518 PM |
710 | */ |
711 | enum nft_log_attributes { | |
712 | NFTA_LOG_UNSPEC, | |
713 | NFTA_LOG_GROUP, | |
714 | NFTA_LOG_PREFIX, | |
715 | NFTA_LOG_SNAPLEN, | |
716 | NFTA_LOG_QTHRESHOLD, | |
09d27b88 PNA |
717 | NFTA_LOG_LEVEL, |
718 | NFTA_LOG_FLAGS, | |
96518518 PM |
719 | __NFTA_LOG_MAX |
720 | }; | |
721 | #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) | |
722 | ||
0aff078d EL |
723 | /** |
724 | * enum nft_queue_attributes - nf_tables queue expression netlink attributes | |
725 | * | |
726 | * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) | |
727 | * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) | |
728 | * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) | |
729 | */ | |
730 | enum nft_queue_attributes { | |
731 | NFTA_QUEUE_UNSPEC, | |
732 | NFTA_QUEUE_NUM, | |
733 | NFTA_QUEUE_TOTAL, | |
734 | NFTA_QUEUE_FLAGS, | |
735 | __NFTA_QUEUE_MAX | |
736 | }; | |
737 | #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) | |
738 | ||
739 | #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ | |
740 | #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ | |
741 | #define NFT_QUEUE_FLAG_MASK 0x03 | |
742 | ||
96518518 PM |
743 | /** |
744 | * enum nft_reject_types - nf_tables reject expression reject types | |
745 | * | |
746 | * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable | |
747 | * @NFT_REJECT_TCP_RST: reject using TCP RST | |
748 | */ | |
749 | enum nft_reject_types { | |
750 | NFT_REJECT_ICMP_UNREACH, | |
751 | NFT_REJECT_TCP_RST, | |
752 | }; | |
753 | ||
754 | /** | |
755 | * enum nft_reject_attributes - nf_tables reject expression netlink attributes | |
756 | * | |
757 | * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) | |
758 | * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) | |
759 | */ | |
760 | enum nft_reject_attributes { | |
761 | NFTA_REJECT_UNSPEC, | |
762 | NFTA_REJECT_TYPE, | |
763 | NFTA_REJECT_ICMP_CODE, | |
764 | __NFTA_REJECT_MAX | |
765 | }; | |
766 | #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) | |
767 | ||
768 | /** | |
769 | * enum nft_nat_types - nf_tables nat expression NAT types | |
770 | * | |
771 | * @NFT_NAT_SNAT: source NAT | |
772 | * @NFT_NAT_DNAT: destination NAT | |
773 | */ | |
774 | enum nft_nat_types { | |
775 | NFT_NAT_SNAT, | |
776 | NFT_NAT_DNAT, | |
777 | }; | |
778 | ||
779 | /** | |
780 | * enum nft_nat_attributes - nf_tables nat expression netlink attributes | |
781 | * | |
782 | * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) | |
eb31628e TB |
783 | * @NFTA_NAT_FAMILY: NAT family (NLA_U32) |
784 | * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) | |
785 | * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) | |
786 | * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) | |
787 | * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) | |
96518518 PM |
788 | */ |
789 | enum nft_nat_attributes { | |
790 | NFTA_NAT_UNSPEC, | |
791 | NFTA_NAT_TYPE, | |
eb31628e TB |
792 | NFTA_NAT_FAMILY, |
793 | NFTA_NAT_REG_ADDR_MIN, | |
794 | NFTA_NAT_REG_ADDR_MAX, | |
795 | NFTA_NAT_REG_PROTO_MIN, | |
796 | NFTA_NAT_REG_PROTO_MAX, | |
96518518 PM |
797 | __NFTA_NAT_MAX |
798 | }; | |
799 | #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) | |
800 | ||
801 | #endif /* _LINUX_NF_TABLES_H */ |