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