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96518518 PM |
1 | #ifndef _LINUX_NF_TABLES_H |
2 | #define _LINUX_NF_TABLES_H | |
3 | ||
1cae565e | 4 | #define NFT_TABLE_MAXNAMELEN 32 |
0768b3b3 PNA |
5 | #define NFT_CHAIN_MAXNAMELEN 32 |
6 | #define NFT_USERDATA_MAXLEN 256 | |
96518518 | 7 | |
49499c3e PM |
8 | /** |
9 | * enum nft_registers - nf_tables registers | |
10 | * | |
11 | * nf_tables used to have five registers: a verdict register and four data | |
12 | * registers of size 16. The data registers have been changed to 16 registers | |
13 | * of size 4. For compatibility reasons, the NFT_REG_[1-4] registers still | |
14 | * map to areas of size 16, the 4 byte registers are addressed using | |
15 | * NFT_REG32_00 - NFT_REG32_15. | |
16 | */ | |
96518518 PM |
17 | enum nft_registers { |
18 | NFT_REG_VERDICT, | |
19 | NFT_REG_1, | |
20 | NFT_REG_2, | |
21 | NFT_REG_3, | |
22 | NFT_REG_4, | |
49499c3e PM |
23 | __NFT_REG_MAX, |
24 | ||
25 | NFT_REG32_00 = 8, | |
26 | MFT_REG32_01, | |
27 | NFT_REG32_02, | |
28 | NFT_REG32_03, | |
29 | NFT_REG32_04, | |
30 | NFT_REG32_05, | |
31 | NFT_REG32_06, | |
32 | NFT_REG32_07, | |
33 | NFT_REG32_08, | |
34 | NFT_REG32_09, | |
35 | NFT_REG32_10, | |
36 | NFT_REG32_11, | |
37 | NFT_REG32_12, | |
38 | NFT_REG32_13, | |
39 | NFT_REG32_14, | |
40 | NFT_REG32_15, | |
96518518 PM |
41 | }; |
42 | #define NFT_REG_MAX (__NFT_REG_MAX - 1) | |
43 | ||
49499c3e PM |
44 | #define NFT_REG_SIZE 16 |
45 | #define NFT_REG32_SIZE 4 | |
46 | ||
96518518 PM |
47 | /** |
48 | * enum nft_verdicts - nf_tables internal verdicts | |
49 | * | |
50 | * @NFT_CONTINUE: continue evaluation of the current rule | |
51 | * @NFT_BREAK: terminate evaluation of the current rule | |
52 | * @NFT_JUMP: push the current chain on the jump stack and jump to a chain | |
53 | * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack | |
54 | * @NFT_RETURN: return to the topmost chain on the jump stack | |
55 | * | |
56 | * The nf_tables verdicts share their numeric space with the netfilter verdicts. | |
57 | */ | |
58 | enum nft_verdicts { | |
59 | NFT_CONTINUE = -1, | |
60 | NFT_BREAK = -2, | |
61 | NFT_JUMP = -3, | |
62 | NFT_GOTO = -4, | |
63 | NFT_RETURN = -5, | |
64 | }; | |
65 | ||
66 | /** | |
67 | * enum nf_tables_msg_types - nf_tables netlink message types | |
68 | * | |
69 | * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes) | |
70 | * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes) | |
71 | * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes) | |
72 | * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes) | |
73 | * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes) | |
74 | * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes) | |
75 | * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes) | |
76 | * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes) | |
77 | * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes) | |
20a69341 PM |
78 | * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes) |
79 | * @NFT_MSG_GETSET: get a set (enum nft_set_attributes) | |
80 | * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes) | |
81 | * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes) | |
82 | * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes) | |
83 | * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes) | |
84d7fce6 PNA |
84 | * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes) |
85 | * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes) | |
96518518 PM |
86 | */ |
87 | enum nf_tables_msg_types { | |
88 | NFT_MSG_NEWTABLE, | |
89 | NFT_MSG_GETTABLE, | |
90 | NFT_MSG_DELTABLE, | |
91 | NFT_MSG_NEWCHAIN, | |
92 | NFT_MSG_GETCHAIN, | |
93 | NFT_MSG_DELCHAIN, | |
94 | NFT_MSG_NEWRULE, | |
95 | NFT_MSG_GETRULE, | |
96 | NFT_MSG_DELRULE, | |
20a69341 PM |
97 | NFT_MSG_NEWSET, |
98 | NFT_MSG_GETSET, | |
99 | NFT_MSG_DELSET, | |
100 | NFT_MSG_NEWSETELEM, | |
101 | NFT_MSG_GETSETELEM, | |
102 | NFT_MSG_DELSETELEM, | |
84d7fce6 PNA |
103 | NFT_MSG_NEWGEN, |
104 | NFT_MSG_GETGEN, | |
96518518 PM |
105 | NFT_MSG_MAX, |
106 | }; | |
107 | ||
20a69341 PM |
108 | /** |
109 | * enum nft_list_attributes - nf_tables generic list netlink attributes | |
110 | * | |
111 | * @NFTA_LIST_ELEM: list element (NLA_NESTED) | |
112 | */ | |
96518518 PM |
113 | enum nft_list_attributes { |
114 | NFTA_LIST_UNPEC, | |
115 | NFTA_LIST_ELEM, | |
116 | __NFTA_LIST_MAX | |
117 | }; | |
118 | #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) | |
119 | ||
120 | /** | |
121 | * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes | |
122 | * | |
123 | * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) | |
124 | * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) | |
2cbce139 | 125 | * @NFTA_HOOK_DEV: netdevice name (NLA_STRING) |
96518518 PM |
126 | */ |
127 | enum nft_hook_attributes { | |
128 | NFTA_HOOK_UNSPEC, | |
129 | NFTA_HOOK_HOOKNUM, | |
130 | NFTA_HOOK_PRIORITY, | |
2cbce139 | 131 | NFTA_HOOK_DEV, |
96518518 PM |
132 | __NFTA_HOOK_MAX |
133 | }; | |
134 | #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) | |
135 | ||
9ddf6323 PNA |
136 | /** |
137 | * enum nft_table_flags - nf_tables table flags | |
138 | * | |
139 | * @NFT_TABLE_F_DORMANT: this table is not active | |
140 | */ | |
141 | enum nft_table_flags { | |
142 | NFT_TABLE_F_DORMANT = 0x1, | |
143 | }; | |
144 | ||
96518518 PM |
145 | /** |
146 | * enum nft_table_attributes - nf_tables table netlink attributes | |
147 | * | |
148 | * @NFTA_TABLE_NAME: name of the table (NLA_STRING) | |
9ddf6323 | 149 | * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) |
d8bcc768 | 150 | * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) |
96518518 PM |
151 | */ |
152 | enum nft_table_attributes { | |
153 | NFTA_TABLE_UNSPEC, | |
154 | NFTA_TABLE_NAME, | |
9ddf6323 | 155 | NFTA_TABLE_FLAGS, |
d8bcc768 | 156 | NFTA_TABLE_USE, |
96518518 PM |
157 | __NFTA_TABLE_MAX |
158 | }; | |
159 | #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) | |
160 | ||
161 | /** | |
162 | * enum nft_chain_attributes - nf_tables chain netlink attributes | |
163 | * | |
164 | * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) | |
165 | * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) | |
166 | * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) | |
167 | * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) | |
0ca743a5 PNA |
168 | * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) |
169 | * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) | |
9370761c | 170 | * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) |
0ca743a5 | 171 | * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) |
96518518 PM |
172 | */ |
173 | enum nft_chain_attributes { | |
174 | NFTA_CHAIN_UNSPEC, | |
175 | NFTA_CHAIN_TABLE, | |
176 | NFTA_CHAIN_HANDLE, | |
177 | NFTA_CHAIN_NAME, | |
178 | NFTA_CHAIN_HOOK, | |
0ca743a5 PNA |
179 | NFTA_CHAIN_POLICY, |
180 | NFTA_CHAIN_USE, | |
9370761c | 181 | NFTA_CHAIN_TYPE, |
0ca743a5 | 182 | NFTA_CHAIN_COUNTERS, |
96518518 PM |
183 | __NFTA_CHAIN_MAX |
184 | }; | |
185 | #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) | |
186 | ||
187 | /** | |
188 | * enum nft_rule_attributes - nf_tables rule netlink attributes | |
189 | * | |
190 | * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) | |
191 | * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) | |
192 | * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) | |
193 | * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) | |
0ca743a5 | 194 | * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) |
5e948466 | 195 | * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) |
0768b3b3 | 196 | * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) |
96518518 PM |
197 | */ |
198 | enum nft_rule_attributes { | |
199 | NFTA_RULE_UNSPEC, | |
200 | NFTA_RULE_TABLE, | |
201 | NFTA_RULE_CHAIN, | |
202 | NFTA_RULE_HANDLE, | |
203 | NFTA_RULE_EXPRESSIONS, | |
0ca743a5 | 204 | NFTA_RULE_COMPAT, |
5e948466 | 205 | NFTA_RULE_POSITION, |
0768b3b3 | 206 | NFTA_RULE_USERDATA, |
96518518 PM |
207 | __NFTA_RULE_MAX |
208 | }; | |
209 | #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) | |
210 | ||
0ca743a5 PNA |
211 | /** |
212 | * enum nft_rule_compat_flags - nf_tables rule compat flags | |
213 | * | |
214 | * @NFT_RULE_COMPAT_F_INV: invert the check result | |
215 | */ | |
216 | enum nft_rule_compat_flags { | |
217 | NFT_RULE_COMPAT_F_INV = (1 << 1), | |
218 | NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, | |
219 | }; | |
220 | ||
221 | /** | |
222 | * enum nft_rule_compat_attributes - nf_tables rule compat attributes | |
223 | * | |
224 | * @NFTA_RULE_COMPAT_PROTO: numerice value of handled protocol (NLA_U32) | |
225 | * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) | |
226 | */ | |
227 | enum nft_rule_compat_attributes { | |
228 | NFTA_RULE_COMPAT_UNSPEC, | |
229 | NFTA_RULE_COMPAT_PROTO, | |
230 | NFTA_RULE_COMPAT_FLAGS, | |
231 | __NFTA_RULE_COMPAT_MAX | |
232 | }; | |
233 | #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) | |
234 | ||
20a69341 PM |
235 | /** |
236 | * enum nft_set_flags - nf_tables set flags | |
237 | * | |
238 | * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink | |
239 | * @NFT_SET_CONSTANT: set contents may not change while bound | |
240 | * @NFT_SET_INTERVAL: set contains intervals | |
241 | * @NFT_SET_MAP: set is used as a dictionary | |
761da293 | 242 | * @NFT_SET_TIMEOUT: set uses timeouts |
7c6c6e95 | 243 | * @NFT_SET_EVAL: set contains expressions for evaluation |
20a69341 PM |
244 | */ |
245 | enum nft_set_flags { | |
246 | NFT_SET_ANONYMOUS = 0x1, | |
247 | NFT_SET_CONSTANT = 0x2, | |
248 | NFT_SET_INTERVAL = 0x4, | |
249 | NFT_SET_MAP = 0x8, | |
761da293 | 250 | NFT_SET_TIMEOUT = 0x10, |
7c6c6e95 | 251 | NFT_SET_EVAL = 0x20, |
20a69341 PM |
252 | }; |
253 | ||
c50b960c PM |
254 | /** |
255 | * enum nft_set_policies - set selection policy | |
256 | * | |
257 | * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use | |
258 | * @NFT_SET_POL_MEMORY: prefer low memory use over high performance | |
259 | */ | |
260 | enum nft_set_policies { | |
261 | NFT_SET_POL_PERFORMANCE, | |
262 | NFT_SET_POL_MEMORY, | |
263 | }; | |
264 | ||
265 | /** | |
266 | * enum nft_set_desc_attributes - set element description | |
267 | * | |
268 | * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) | |
269 | */ | |
270 | enum nft_set_desc_attributes { | |
271 | NFTA_SET_DESC_UNSPEC, | |
272 | NFTA_SET_DESC_SIZE, | |
273 | __NFTA_SET_DESC_MAX | |
274 | }; | |
275 | #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) | |
276 | ||
20a69341 PM |
277 | /** |
278 | * enum nft_set_attributes - nf_tables set netlink attributes | |
279 | * | |
280 | * @NFTA_SET_TABLE: table name (NLA_STRING) | |
281 | * @NFTA_SET_NAME: set name (NLA_STRING) | |
282 | * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) | |
283 | * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) | |
284 | * @NFTA_SET_KEY_LEN: key data length (NLA_U32) | |
285 | * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) | |
286 | * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) | |
c50b960c PM |
287 | * @NFTA_SET_POLICY: selection policy (NLA_U32) |
288 | * @NFTA_SET_DESC: set description (NLA_NESTED) | |
958bee14 | 289 | * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) |
761da293 PM |
290 | * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) |
291 | * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) | |
20a69341 PM |
292 | */ |
293 | enum nft_set_attributes { | |
294 | NFTA_SET_UNSPEC, | |
295 | NFTA_SET_TABLE, | |
296 | NFTA_SET_NAME, | |
297 | NFTA_SET_FLAGS, | |
298 | NFTA_SET_KEY_TYPE, | |
299 | NFTA_SET_KEY_LEN, | |
300 | NFTA_SET_DATA_TYPE, | |
301 | NFTA_SET_DATA_LEN, | |
c50b960c PM |
302 | NFTA_SET_POLICY, |
303 | NFTA_SET_DESC, | |
958bee14 | 304 | NFTA_SET_ID, |
761da293 PM |
305 | NFTA_SET_TIMEOUT, |
306 | NFTA_SET_GC_INTERVAL, | |
20a69341 PM |
307 | __NFTA_SET_MAX |
308 | }; | |
309 | #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) | |
310 | ||
311 | /** | |
312 | * enum nft_set_elem_flags - nf_tables set element flags | |
313 | * | |
314 | * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval | |
315 | */ | |
316 | enum nft_set_elem_flags { | |
317 | NFT_SET_ELEM_INTERVAL_END = 0x1, | |
318 | }; | |
319 | ||
320 | /** | |
321 | * enum nft_set_elem_attributes - nf_tables set element netlink attributes | |
322 | * | |
323 | * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) | |
324 | * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) | |
325 | * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) | |
c3e1b005 PM |
326 | * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64) |
327 | * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) | |
68e942e8 | 328 | * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) |
f25ad2e9 | 329 | * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) |
20a69341 PM |
330 | */ |
331 | enum nft_set_elem_attributes { | |
332 | NFTA_SET_ELEM_UNSPEC, | |
333 | NFTA_SET_ELEM_KEY, | |
334 | NFTA_SET_ELEM_DATA, | |
335 | NFTA_SET_ELEM_FLAGS, | |
c3e1b005 PM |
336 | NFTA_SET_ELEM_TIMEOUT, |
337 | NFTA_SET_ELEM_EXPIRATION, | |
68e942e8 | 338 | NFTA_SET_ELEM_USERDATA, |
f25ad2e9 | 339 | NFTA_SET_ELEM_EXPR, |
20a69341 PM |
340 | __NFTA_SET_ELEM_MAX |
341 | }; | |
342 | #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) | |
343 | ||
344 | /** | |
345 | * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes | |
346 | * | |
347 | * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) | |
348 | * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) | |
349 | * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) | |
958bee14 | 350 | * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) |
20a69341 PM |
351 | */ |
352 | enum nft_set_elem_list_attributes { | |
353 | NFTA_SET_ELEM_LIST_UNSPEC, | |
354 | NFTA_SET_ELEM_LIST_TABLE, | |
355 | NFTA_SET_ELEM_LIST_SET, | |
356 | NFTA_SET_ELEM_LIST_ELEMENTS, | |
958bee14 | 357 | NFTA_SET_ELEM_LIST_SET_ID, |
20a69341 PM |
358 | __NFTA_SET_ELEM_LIST_MAX |
359 | }; | |
360 | #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) | |
361 | ||
362 | /** | |
363 | * enum nft_data_types - nf_tables data types | |
364 | * | |
365 | * @NFT_DATA_VALUE: generic data | |
366 | * @NFT_DATA_VERDICT: netfilter verdict | |
367 | * | |
368 | * The type of data is usually determined by the kernel directly and is not | |
369 | * explicitly specified by userspace. The only difference are sets, where | |
370 | * userspace specifies the key and mapping data types. | |
371 | * | |
372 | * The values 0xffffff00-0xffffffff are reserved for internally used types. | |
373 | * The remaining range can be freely used by userspace to encode types, all | |
374 | * values are equivalent to NFT_DATA_VALUE. | |
375 | */ | |
376 | enum nft_data_types { | |
377 | NFT_DATA_VALUE, | |
378 | NFT_DATA_VERDICT = 0xffffff00U, | |
379 | }; | |
380 | ||
381 | #define NFT_DATA_RESERVED_MASK 0xffffff00U | |
382 | ||
383 | /** | |
384 | * enum nft_data_attributes - nf_tables data netlink attributes | |
385 | * | |
386 | * @NFTA_DATA_VALUE: generic data (NLA_BINARY) | |
387 | * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) | |
388 | */ | |
96518518 PM |
389 | enum nft_data_attributes { |
390 | NFTA_DATA_UNSPEC, | |
391 | NFTA_DATA_VALUE, | |
392 | NFTA_DATA_VERDICT, | |
393 | __NFTA_DATA_MAX | |
394 | }; | |
395 | #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) | |
396 | ||
7d740264 PM |
397 | /* Maximum length of a value */ |
398 | #define NFT_DATA_VALUE_MAXLEN 64 | |
399 | ||
96518518 PM |
400 | /** |
401 | * enum nft_verdict_attributes - nf_tables verdict netlink attributes | |
402 | * | |
403 | * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) | |
404 | * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) | |
405 | */ | |
406 | enum nft_verdict_attributes { | |
407 | NFTA_VERDICT_UNSPEC, | |
408 | NFTA_VERDICT_CODE, | |
409 | NFTA_VERDICT_CHAIN, | |
410 | __NFTA_VERDICT_MAX | |
411 | }; | |
412 | #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) | |
413 | ||
414 | /** | |
415 | * enum nft_expr_attributes - nf_tables expression netlink attributes | |
416 | * | |
417 | * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) | |
418 | * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) | |
419 | */ | |
420 | enum nft_expr_attributes { | |
421 | NFTA_EXPR_UNSPEC, | |
422 | NFTA_EXPR_NAME, | |
423 | NFTA_EXPR_DATA, | |
424 | __NFTA_EXPR_MAX | |
425 | }; | |
426 | #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) | |
427 | ||
428 | /** | |
429 | * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes | |
430 | * | |
431 | * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) | |
432 | * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) | |
433 | */ | |
434 | enum nft_immediate_attributes { | |
435 | NFTA_IMMEDIATE_UNSPEC, | |
436 | NFTA_IMMEDIATE_DREG, | |
437 | NFTA_IMMEDIATE_DATA, | |
438 | __NFTA_IMMEDIATE_MAX | |
439 | }; | |
440 | #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) | |
441 | ||
442 | /** | |
443 | * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes | |
444 | * | |
445 | * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) | |
446 | * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) | |
447 | * @NFTA_BITWISE_LEN: length of operands (NLA_U32) | |
448 | * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) | |
449 | * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) | |
450 | * | |
451 | * The bitwise expression performs the following operation: | |
452 | * | |
453 | * dreg = (sreg & mask) ^ xor | |
454 | * | |
455 | * which allow to express all bitwise operations: | |
456 | * | |
457 | * mask xor | |
458 | * NOT: 1 1 | |
459 | * OR: 0 x | |
460 | * XOR: 1 x | |
461 | * AND: x 0 | |
462 | */ | |
463 | enum nft_bitwise_attributes { | |
464 | NFTA_BITWISE_UNSPEC, | |
465 | NFTA_BITWISE_SREG, | |
466 | NFTA_BITWISE_DREG, | |
467 | NFTA_BITWISE_LEN, | |
468 | NFTA_BITWISE_MASK, | |
469 | NFTA_BITWISE_XOR, | |
470 | __NFTA_BITWISE_MAX | |
471 | }; | |
472 | #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) | |
473 | ||
474 | /** | |
475 | * enum nft_byteorder_ops - nf_tables byteorder operators | |
476 | * | |
477 | * @NFT_BYTEORDER_NTOH: network to host operator | |
478 | * @NFT_BYTEORDER_HTON: host to network opertaor | |
479 | */ | |
480 | enum nft_byteorder_ops { | |
481 | NFT_BYTEORDER_NTOH, | |
482 | NFT_BYTEORDER_HTON, | |
483 | }; | |
484 | ||
485 | /** | |
486 | * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes | |
487 | * | |
488 | * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) | |
489 | * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) | |
490 | * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) | |
491 | * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) | |
492 | * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) | |
493 | */ | |
494 | enum nft_byteorder_attributes { | |
495 | NFTA_BYTEORDER_UNSPEC, | |
496 | NFTA_BYTEORDER_SREG, | |
497 | NFTA_BYTEORDER_DREG, | |
498 | NFTA_BYTEORDER_OP, | |
499 | NFTA_BYTEORDER_LEN, | |
500 | NFTA_BYTEORDER_SIZE, | |
501 | __NFTA_BYTEORDER_MAX | |
502 | }; | |
503 | #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) | |
504 | ||
505 | /** | |
506 | * enum nft_cmp_ops - nf_tables relational operator | |
507 | * | |
508 | * @NFT_CMP_EQ: equal | |
509 | * @NFT_CMP_NEQ: not equal | |
510 | * @NFT_CMP_LT: less than | |
511 | * @NFT_CMP_LTE: less than or equal to | |
512 | * @NFT_CMP_GT: greater than | |
513 | * @NFT_CMP_GTE: greater than or equal to | |
514 | */ | |
515 | enum nft_cmp_ops { | |
516 | NFT_CMP_EQ, | |
517 | NFT_CMP_NEQ, | |
518 | NFT_CMP_LT, | |
519 | NFT_CMP_LTE, | |
520 | NFT_CMP_GT, | |
521 | NFT_CMP_GTE, | |
522 | }; | |
523 | ||
524 | /** | |
525 | * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes | |
526 | * | |
527 | * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) | |
528 | * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) | |
529 | * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) | |
530 | */ | |
531 | enum nft_cmp_attributes { | |
532 | NFTA_CMP_UNSPEC, | |
533 | NFTA_CMP_SREG, | |
534 | NFTA_CMP_OP, | |
535 | NFTA_CMP_DATA, | |
536 | __NFTA_CMP_MAX | |
537 | }; | |
538 | #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) | |
539 | ||
20a69341 PM |
540 | /** |
541 | * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes | |
542 | * | |
543 | * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) | |
544 | * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) | |
545 | * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) | |
958bee14 | 546 | * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) |
20a69341 PM |
547 | */ |
548 | enum nft_lookup_attributes { | |
549 | NFTA_LOOKUP_UNSPEC, | |
550 | NFTA_LOOKUP_SET, | |
551 | NFTA_LOOKUP_SREG, | |
552 | NFTA_LOOKUP_DREG, | |
958bee14 | 553 | NFTA_LOOKUP_SET_ID, |
20a69341 | 554 | __NFTA_LOOKUP_MAX |
96518518 | 555 | }; |
20a69341 | 556 | #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) |
96518518 | 557 | |
22fe54d5 PM |
558 | enum nft_dynset_ops { |
559 | NFT_DYNSET_OP_ADD, | |
560 | NFT_DYNSET_OP_UPDATE, | |
561 | }; | |
562 | ||
563 | /** | |
564 | * enum nft_dynset_attributes - dynset expression attributes | |
565 | * | |
566 | * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) | |
567 | * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) | |
568 | * @NFTA_DYNSET_OP: operation (NLA_U32) | |
569 | * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) | |
570 | * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) | |
571 | * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) | |
3e135cd4 | 572 | * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) |
22fe54d5 PM |
573 | */ |
574 | enum nft_dynset_attributes { | |
575 | NFTA_DYNSET_UNSPEC, | |
576 | NFTA_DYNSET_SET_NAME, | |
577 | NFTA_DYNSET_SET_ID, | |
578 | NFTA_DYNSET_OP, | |
579 | NFTA_DYNSET_SREG_KEY, | |
580 | NFTA_DYNSET_SREG_DATA, | |
581 | NFTA_DYNSET_TIMEOUT, | |
3e135cd4 | 582 | NFTA_DYNSET_EXPR, |
22fe54d5 PM |
583 | __NFTA_DYNSET_MAX, |
584 | }; | |
585 | #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) | |
586 | ||
96518518 PM |
587 | /** |
588 | * enum nft_payload_bases - nf_tables payload expression offset bases | |
589 | * | |
590 | * @NFT_PAYLOAD_LL_HEADER: link layer header | |
591 | * @NFT_PAYLOAD_NETWORK_HEADER: network header | |
592 | * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header | |
593 | */ | |
594 | enum nft_payload_bases { | |
595 | NFT_PAYLOAD_LL_HEADER, | |
596 | NFT_PAYLOAD_NETWORK_HEADER, | |
597 | NFT_PAYLOAD_TRANSPORT_HEADER, | |
598 | }; | |
599 | ||
600 | /** | |
601 | * enum nft_payload_attributes - nf_tables payload expression netlink attributes | |
602 | * | |
603 | * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) | |
604 | * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) | |
605 | * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) | |
606 | * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) | |
607 | */ | |
608 | enum nft_payload_attributes { | |
609 | NFTA_PAYLOAD_UNSPEC, | |
610 | NFTA_PAYLOAD_DREG, | |
611 | NFTA_PAYLOAD_BASE, | |
612 | NFTA_PAYLOAD_OFFSET, | |
613 | NFTA_PAYLOAD_LEN, | |
614 | __NFTA_PAYLOAD_MAX | |
615 | }; | |
616 | #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) | |
617 | ||
618 | /** | |
619 | * enum nft_exthdr_attributes - nf_tables IPv6 extension header expression netlink attributes | |
620 | * | |
621 | * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) | |
622 | * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) | |
623 | * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) | |
624 | * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) | |
625 | */ | |
626 | enum nft_exthdr_attributes { | |
627 | NFTA_EXTHDR_UNSPEC, | |
628 | NFTA_EXTHDR_DREG, | |
629 | NFTA_EXTHDR_TYPE, | |
630 | NFTA_EXTHDR_OFFSET, | |
631 | NFTA_EXTHDR_LEN, | |
632 | __NFTA_EXTHDR_MAX | |
633 | }; | |
634 | #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) | |
635 | ||
636 | /** | |
637 | * enum nft_meta_keys - nf_tables meta expression keys | |
638 | * | |
639 | * @NFT_META_LEN: packet length (skb->len) | |
640 | * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT | |
641 | * @NFT_META_PRIORITY: packet priority (skb->priority) | |
642 | * @NFT_META_MARK: packet mark (skb->mark) | |
643 | * @NFT_META_IIF: packet input interface index (dev->ifindex) | |
644 | * @NFT_META_OIF: packet output interface index (dev->ifindex) | |
645 | * @NFT_META_IIFNAME: packet input interface name (dev->name) | |
646 | * @NFT_META_OIFNAME: packet output interface name (dev->name) | |
647 | * @NFT_META_IIFTYPE: packet input interface type (dev->type) | |
648 | * @NFT_META_OIFTYPE: packet output interface type (dev->type) | |
649 | * @NFT_META_SKUID: originating socket UID (fsuid) | |
650 | * @NFT_META_SKGID: originating socket GID (fsgid) | |
651 | * @NFT_META_NFTRACE: packet nftrace bit | |
652 | * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) | |
653 | * @NFT_META_SECMARK: packet secmark (skb->secmark) | |
124edfa9 | 654 | * @NFT_META_NFPROTO: netfilter protocol |
4566bf27 | 655 | * @NFT_META_L4PROTO: layer 4 protocol number |
f5efc696 TB |
656 | * @NFT_META_BRI_IIFNAME: packet input bridge interface name |
657 | * @NFT_META_BRI_OIFNAME: packet output bridge interface name | |
e2a093ff | 658 | * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback |
afc5be30 | 659 | * @NFT_META_CPU: cpu id through smp_processor_id() |
3045d760 AR |
660 | * @NFT_META_IIFGROUP: packet input interface group |
661 | * @NFT_META_OIFGROUP: packet output interface group | |
ce674173 | 662 | * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) |
96518518 PM |
663 | */ |
664 | enum nft_meta_keys { | |
665 | NFT_META_LEN, | |
666 | NFT_META_PROTOCOL, | |
667 | NFT_META_PRIORITY, | |
668 | NFT_META_MARK, | |
669 | NFT_META_IIF, | |
670 | NFT_META_OIF, | |
671 | NFT_META_IIFNAME, | |
672 | NFT_META_OIFNAME, | |
673 | NFT_META_IIFTYPE, | |
674 | NFT_META_OIFTYPE, | |
675 | NFT_META_SKUID, | |
676 | NFT_META_SKGID, | |
677 | NFT_META_NFTRACE, | |
678 | NFT_META_RTCLASSID, | |
679 | NFT_META_SECMARK, | |
124edfa9 | 680 | NFT_META_NFPROTO, |
4566bf27 | 681 | NFT_META_L4PROTO, |
f5efc696 TB |
682 | NFT_META_BRI_IIFNAME, |
683 | NFT_META_BRI_OIFNAME, | |
e2a093ff | 684 | NFT_META_PKTTYPE, |
afc5be30 | 685 | NFT_META_CPU, |
3045d760 AR |
686 | NFT_META_IIFGROUP, |
687 | NFT_META_OIFGROUP, | |
ce674173 | 688 | NFT_META_CGROUP, |
96518518 PM |
689 | }; |
690 | ||
691 | /** | |
692 | * enum nft_meta_attributes - nf_tables meta expression netlink attributes | |
693 | * | |
694 | * @NFTA_META_DREG: destination register (NLA_U32) | |
695 | * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) | |
e035b77a | 696 | * @NFTA_META_SREG: source register (NLA_U32) |
96518518 PM |
697 | */ |
698 | enum nft_meta_attributes { | |
699 | NFTA_META_UNSPEC, | |
700 | NFTA_META_DREG, | |
701 | NFTA_META_KEY, | |
e035b77a | 702 | NFTA_META_SREG, |
96518518 PM |
703 | __NFTA_META_MAX |
704 | }; | |
705 | #define NFTA_META_MAX (__NFTA_META_MAX - 1) | |
706 | ||
707 | /** | |
708 | * enum nft_ct_keys - nf_tables ct expression keys | |
709 | * | |
710 | * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) | |
711 | * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) | |
712 | * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) | |
713 | * @NFT_CT_MARK: conntrack mark value | |
714 | * @NFT_CT_SECMARK: conntrack secmark value | |
715 | * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms | |
716 | * @NFT_CT_HELPER: connection tracking helper assigned to conntrack | |
717 | * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol | |
718 | * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address) | |
719 | * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address) | |
720 | * @NFT_CT_PROTOCOL: conntrack layer 4 protocol | |
721 | * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source | |
722 | * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination | |
723 | */ | |
724 | enum nft_ct_keys { | |
725 | NFT_CT_STATE, | |
726 | NFT_CT_DIRECTION, | |
727 | NFT_CT_STATUS, | |
728 | NFT_CT_MARK, | |
729 | NFT_CT_SECMARK, | |
730 | NFT_CT_EXPIRATION, | |
731 | NFT_CT_HELPER, | |
732 | NFT_CT_L3PROTOCOL, | |
733 | NFT_CT_SRC, | |
734 | NFT_CT_DST, | |
735 | NFT_CT_PROTOCOL, | |
736 | NFT_CT_PROTO_SRC, | |
737 | NFT_CT_PROTO_DST, | |
d2bf2f34 | 738 | NFT_CT_LABELS, |
96518518 PM |
739 | }; |
740 | ||
741 | /** | |
742 | * enum nft_ct_attributes - nf_tables ct expression netlink attributes | |
743 | * | |
744 | * @NFTA_CT_DREG: destination register (NLA_U32) | |
745 | * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) | |
746 | * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) | |
c4ede3d3 | 747 | * @NFTA_CT_SREG: source register (NLA_U32) |
96518518 PM |
748 | */ |
749 | enum nft_ct_attributes { | |
750 | NFTA_CT_UNSPEC, | |
751 | NFTA_CT_DREG, | |
752 | NFTA_CT_KEY, | |
753 | NFTA_CT_DIRECTION, | |
c4ede3d3 | 754 | NFTA_CT_SREG, |
96518518 PM |
755 | __NFTA_CT_MAX |
756 | }; | |
757 | #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) | |
758 | ||
d2168e84 PNA |
759 | enum nft_limit_type { |
760 | NFT_LIMIT_PKTS, | |
761 | NFT_LIMIT_PKT_BYTES | |
762 | }; | |
763 | ||
96518518 PM |
764 | /** |
765 | * enum nft_limit_attributes - nf_tables limit expression netlink attributes | |
766 | * | |
767 | * @NFTA_LIMIT_RATE: refill rate (NLA_U64) | |
768 | * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) | |
3e87baaf | 769 | * @NFTA_LIMIT_BURST: burst (NLA_U32) |
d2168e84 | 770 | * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) |
96518518 PM |
771 | */ |
772 | enum nft_limit_attributes { | |
773 | NFTA_LIMIT_UNSPEC, | |
774 | NFTA_LIMIT_RATE, | |
775 | NFTA_LIMIT_UNIT, | |
3e87baaf | 776 | NFTA_LIMIT_BURST, |
d2168e84 | 777 | NFTA_LIMIT_TYPE, |
96518518 PM |
778 | __NFTA_LIMIT_MAX |
779 | }; | |
780 | #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) | |
781 | ||
782 | /** | |
783 | * enum nft_counter_attributes - nf_tables counter expression netlink attributes | |
784 | * | |
785 | * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) | |
786 | * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) | |
787 | */ | |
788 | enum nft_counter_attributes { | |
789 | NFTA_COUNTER_UNSPEC, | |
790 | NFTA_COUNTER_BYTES, | |
791 | NFTA_COUNTER_PACKETS, | |
792 | __NFTA_COUNTER_MAX | |
793 | }; | |
794 | #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) | |
795 | ||
796 | /** | |
797 | * enum nft_log_attributes - nf_tables log expression netlink attributes | |
798 | * | |
799 | * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32) | |
800 | * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) | |
801 | * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) | |
802 | * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32) | |
09d27b88 PNA |
803 | * @NFTA_LOG_LEVEL: log level (NLA_U32) |
804 | * @NFTA_LOG_FLAGS: logging flags (NLA_U32) | |
96518518 PM |
805 | */ |
806 | enum nft_log_attributes { | |
807 | NFTA_LOG_UNSPEC, | |
808 | NFTA_LOG_GROUP, | |
809 | NFTA_LOG_PREFIX, | |
810 | NFTA_LOG_SNAPLEN, | |
811 | NFTA_LOG_QTHRESHOLD, | |
09d27b88 PNA |
812 | NFTA_LOG_LEVEL, |
813 | NFTA_LOG_FLAGS, | |
96518518 PM |
814 | __NFTA_LOG_MAX |
815 | }; | |
816 | #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) | |
817 | ||
0aff078d EL |
818 | /** |
819 | * enum nft_queue_attributes - nf_tables queue expression netlink attributes | |
820 | * | |
821 | * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) | |
822 | * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) | |
823 | * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) | |
824 | */ | |
825 | enum nft_queue_attributes { | |
826 | NFTA_QUEUE_UNSPEC, | |
827 | NFTA_QUEUE_NUM, | |
828 | NFTA_QUEUE_TOTAL, | |
829 | NFTA_QUEUE_FLAGS, | |
830 | __NFTA_QUEUE_MAX | |
831 | }; | |
832 | #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) | |
833 | ||
834 | #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ | |
835 | #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ | |
836 | #define NFT_QUEUE_FLAG_MASK 0x03 | |
837 | ||
96518518 PM |
838 | /** |
839 | * enum nft_reject_types - nf_tables reject expression reject types | |
840 | * | |
841 | * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable | |
842 | * @NFT_REJECT_TCP_RST: reject using TCP RST | |
51b0a5d8 | 843 | * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet |
96518518 PM |
844 | */ |
845 | enum nft_reject_types { | |
846 | NFT_REJECT_ICMP_UNREACH, | |
847 | NFT_REJECT_TCP_RST, | |
51b0a5d8 | 848 | NFT_REJECT_ICMPX_UNREACH, |
96518518 PM |
849 | }; |
850 | ||
51b0a5d8 PNA |
851 | /** |
852 | * enum nft_reject_code - Generic reject codes for IPv4/IPv6 | |
853 | * | |
854 | * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable | |
855 | * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable | |
856 | * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable | |
857 | * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited | |
858 | * | |
859 | * These codes are mapped to real ICMP and ICMPv6 codes. | |
860 | */ | |
861 | enum nft_reject_inet_code { | |
862 | NFT_REJECT_ICMPX_NO_ROUTE = 0, | |
863 | NFT_REJECT_ICMPX_PORT_UNREACH, | |
864 | NFT_REJECT_ICMPX_HOST_UNREACH, | |
865 | NFT_REJECT_ICMPX_ADMIN_PROHIBITED, | |
866 | __NFT_REJECT_ICMPX_MAX | |
867 | }; | |
f0d1f04f | 868 | #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) |
51b0a5d8 | 869 | |
96518518 PM |
870 | /** |
871 | * enum nft_reject_attributes - nf_tables reject expression netlink attributes | |
872 | * | |
873 | * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) | |
874 | * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) | |
875 | */ | |
876 | enum nft_reject_attributes { | |
877 | NFTA_REJECT_UNSPEC, | |
878 | NFTA_REJECT_TYPE, | |
879 | NFTA_REJECT_ICMP_CODE, | |
880 | __NFTA_REJECT_MAX | |
881 | }; | |
882 | #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) | |
883 | ||
884 | /** | |
885 | * enum nft_nat_types - nf_tables nat expression NAT types | |
886 | * | |
887 | * @NFT_NAT_SNAT: source NAT | |
888 | * @NFT_NAT_DNAT: destination NAT | |
889 | */ | |
890 | enum nft_nat_types { | |
891 | NFT_NAT_SNAT, | |
892 | NFT_NAT_DNAT, | |
893 | }; | |
894 | ||
895 | /** | |
896 | * enum nft_nat_attributes - nf_tables nat expression netlink attributes | |
897 | * | |
898 | * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) | |
eb31628e TB |
899 | * @NFTA_NAT_FAMILY: NAT family (NLA_U32) |
900 | * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) | |
901 | * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) | |
902 | * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) | |
903 | * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) | |
e42eff8a | 904 | * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) |
96518518 PM |
905 | */ |
906 | enum nft_nat_attributes { | |
907 | NFTA_NAT_UNSPEC, | |
908 | NFTA_NAT_TYPE, | |
eb31628e TB |
909 | NFTA_NAT_FAMILY, |
910 | NFTA_NAT_REG_ADDR_MIN, | |
911 | NFTA_NAT_REG_ADDR_MAX, | |
912 | NFTA_NAT_REG_PROTO_MIN, | |
913 | NFTA_NAT_REG_PROTO_MAX, | |
e42eff8a | 914 | NFTA_NAT_FLAGS, |
96518518 PM |
915 | __NFTA_NAT_MAX |
916 | }; | |
917 | #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) | |
918 | ||
9ba1f726 AB |
919 | /** |
920 | * enum nft_masq_attributes - nf_tables masquerade expression attributes | |
921 | * | |
922 | * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) | |
923 | */ | |
924 | enum nft_masq_attributes { | |
39e393bb | 925 | NFTA_MASQ_UNSPEC, |
9ba1f726 AB |
926 | NFTA_MASQ_FLAGS, |
927 | __NFTA_MASQ_MAX | |
928 | }; | |
929 | #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) | |
930 | ||
e9105f1b AB |
931 | /** |
932 | * enum nft_redir_attributes - nf_tables redirect expression netlink attributes | |
933 | * | |
934 | * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) | |
935 | * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) | |
936 | * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) | |
937 | */ | |
938 | enum nft_redir_attributes { | |
939 | NFTA_REDIR_UNSPEC, | |
940 | NFTA_REDIR_REG_PROTO_MIN, | |
941 | NFTA_REDIR_REG_PROTO_MAX, | |
942 | NFTA_REDIR_FLAGS, | |
943 | __NFTA_REDIR_MAX | |
944 | }; | |
945 | #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) | |
946 | ||
d877f071 PNA |
947 | /** |
948 | * enum nft_dup_attributes - nf_tables dup expression netlink attributes | |
949 | * | |
950 | * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) | |
951 | * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) | |
952 | */ | |
953 | enum nft_dup_attributes { | |
954 | NFTA_DUP_UNSPEC, | |
955 | NFTA_DUP_SREG_ADDR, | |
956 | NFTA_DUP_SREG_DEV, | |
957 | __NFTA_DUP_MAX | |
958 | }; | |
959 | #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) | |
960 | ||
84d7fce6 PNA |
961 | /** |
962 | * enum nft_gen_attributes - nf_tables ruleset generation attributes | |
963 | * | |
964 | * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) | |
965 | */ | |
966 | enum nft_gen_attributes { | |
967 | NFTA_GEN_UNSPEC, | |
968 | NFTA_GEN_ID, | |
969 | __NFTA_GEN_MAX | |
970 | }; | |
971 | #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) | |
972 | ||
96518518 | 973 | #endif /* _LINUX_NF_TABLES_H */ |