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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 | 5 | #define NFT_CHAIN_MAXNAMELEN 32 |
cb39ad8b | 6 | #define NFT_SET_MAXNAMELEN 32 |
0768b3b3 | 7 | #define NFT_USERDATA_MAXLEN 256 |
96518518 | 8 | |
49499c3e PM |
9 | /** |
10 | * enum nft_registers - nf_tables registers | |
11 | * | |
12 | * nf_tables used to have five registers: a verdict register and four data | |
13 | * registers of size 16. The data registers have been changed to 16 registers | |
14 | * of size 4. For compatibility reasons, the NFT_REG_[1-4] registers still | |
15 | * map to areas of size 16, the 4 byte registers are addressed using | |
16 | * NFT_REG32_00 - NFT_REG32_15. | |
17 | */ | |
96518518 PM |
18 | enum nft_registers { |
19 | NFT_REG_VERDICT, | |
20 | NFT_REG_1, | |
21 | NFT_REG_2, | |
22 | NFT_REG_3, | |
23 | NFT_REG_4, | |
49499c3e PM |
24 | __NFT_REG_MAX, |
25 | ||
26 | NFT_REG32_00 = 8, | |
2c86943c | 27 | NFT_REG32_01, |
49499c3e PM |
28 | NFT_REG32_02, |
29 | NFT_REG32_03, | |
30 | NFT_REG32_04, | |
31 | NFT_REG32_05, | |
32 | NFT_REG32_06, | |
33 | NFT_REG32_07, | |
34 | NFT_REG32_08, | |
35 | NFT_REG32_09, | |
36 | NFT_REG32_10, | |
37 | NFT_REG32_11, | |
38 | NFT_REG32_12, | |
39 | NFT_REG32_13, | |
40 | NFT_REG32_14, | |
41 | NFT_REG32_15, | |
96518518 PM |
42 | }; |
43 | #define NFT_REG_MAX (__NFT_REG_MAX - 1) | |
44 | ||
49499c3e PM |
45 | #define NFT_REG_SIZE 16 |
46 | #define NFT_REG32_SIZE 4 | |
47 | ||
96518518 PM |
48 | /** |
49 | * enum nft_verdicts - nf_tables internal verdicts | |
50 | * | |
51 | * @NFT_CONTINUE: continue evaluation of the current rule | |
52 | * @NFT_BREAK: terminate evaluation of the current rule | |
53 | * @NFT_JUMP: push the current chain on the jump stack and jump to a chain | |
54 | * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack | |
55 | * @NFT_RETURN: return to the topmost chain on the jump stack | |
56 | * | |
57 | * The nf_tables verdicts share their numeric space with the netfilter verdicts. | |
58 | */ | |
59 | enum nft_verdicts { | |
60 | NFT_CONTINUE = -1, | |
61 | NFT_BREAK = -2, | |
62 | NFT_JUMP = -3, | |
63 | NFT_GOTO = -4, | |
64 | NFT_RETURN = -5, | |
65 | }; | |
66 | ||
67 | /** | |
68 | * enum nf_tables_msg_types - nf_tables netlink message types | |
69 | * | |
70 | * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes) | |
71 | * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes) | |
72 | * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes) | |
73 | * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes) | |
74 | * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes) | |
75 | * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes) | |
76 | * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes) | |
77 | * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes) | |
78 | * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes) | |
20a69341 PM |
79 | * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes) |
80 | * @NFT_MSG_GETSET: get a set (enum nft_set_attributes) | |
81 | * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes) | |
82 | * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes) | |
83 | * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes) | |
84 | * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes) | |
84d7fce6 PNA |
85 | * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes) |
86 | * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes) | |
33d5a7b1 | 87 | * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes) |
96518518 PM |
88 | */ |
89 | enum nf_tables_msg_types { | |
90 | NFT_MSG_NEWTABLE, | |
91 | NFT_MSG_GETTABLE, | |
92 | NFT_MSG_DELTABLE, | |
93 | NFT_MSG_NEWCHAIN, | |
94 | NFT_MSG_GETCHAIN, | |
95 | NFT_MSG_DELCHAIN, | |
96 | NFT_MSG_NEWRULE, | |
97 | NFT_MSG_GETRULE, | |
98 | NFT_MSG_DELRULE, | |
20a69341 PM |
99 | NFT_MSG_NEWSET, |
100 | NFT_MSG_GETSET, | |
101 | NFT_MSG_DELSET, | |
102 | NFT_MSG_NEWSETELEM, | |
103 | NFT_MSG_GETSETELEM, | |
104 | NFT_MSG_DELSETELEM, | |
84d7fce6 PNA |
105 | NFT_MSG_NEWGEN, |
106 | NFT_MSG_GETGEN, | |
33d5a7b1 | 107 | NFT_MSG_TRACE, |
96518518 PM |
108 | NFT_MSG_MAX, |
109 | }; | |
110 | ||
20a69341 PM |
111 | /** |
112 | * enum nft_list_attributes - nf_tables generic list netlink attributes | |
113 | * | |
114 | * @NFTA_LIST_ELEM: list element (NLA_NESTED) | |
115 | */ | |
96518518 PM |
116 | enum nft_list_attributes { |
117 | NFTA_LIST_UNPEC, | |
118 | NFTA_LIST_ELEM, | |
119 | __NFTA_LIST_MAX | |
120 | }; | |
121 | #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) | |
122 | ||
123 | /** | |
124 | * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes | |
125 | * | |
126 | * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) | |
127 | * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) | |
2cbce139 | 128 | * @NFTA_HOOK_DEV: netdevice name (NLA_STRING) |
96518518 PM |
129 | */ |
130 | enum nft_hook_attributes { | |
131 | NFTA_HOOK_UNSPEC, | |
132 | NFTA_HOOK_HOOKNUM, | |
133 | NFTA_HOOK_PRIORITY, | |
2cbce139 | 134 | NFTA_HOOK_DEV, |
96518518 PM |
135 | __NFTA_HOOK_MAX |
136 | }; | |
137 | #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) | |
138 | ||
9ddf6323 PNA |
139 | /** |
140 | * enum nft_table_flags - nf_tables table flags | |
141 | * | |
142 | * @NFT_TABLE_F_DORMANT: this table is not active | |
143 | */ | |
144 | enum nft_table_flags { | |
145 | NFT_TABLE_F_DORMANT = 0x1, | |
146 | }; | |
147 | ||
96518518 PM |
148 | /** |
149 | * enum nft_table_attributes - nf_tables table netlink attributes | |
150 | * | |
151 | * @NFTA_TABLE_NAME: name of the table (NLA_STRING) | |
9ddf6323 | 152 | * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) |
d8bcc768 | 153 | * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) |
96518518 PM |
154 | */ |
155 | enum nft_table_attributes { | |
156 | NFTA_TABLE_UNSPEC, | |
157 | NFTA_TABLE_NAME, | |
9ddf6323 | 158 | NFTA_TABLE_FLAGS, |
d8bcc768 | 159 | NFTA_TABLE_USE, |
96518518 PM |
160 | __NFTA_TABLE_MAX |
161 | }; | |
162 | #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) | |
163 | ||
164 | /** | |
165 | * enum nft_chain_attributes - nf_tables chain netlink attributes | |
166 | * | |
167 | * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) | |
168 | * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) | |
169 | * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) | |
170 | * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) | |
0ca743a5 PNA |
171 | * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) |
172 | * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) | |
9370761c | 173 | * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) |
0ca743a5 | 174 | * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) |
96518518 PM |
175 | */ |
176 | enum nft_chain_attributes { | |
177 | NFTA_CHAIN_UNSPEC, | |
178 | NFTA_CHAIN_TABLE, | |
179 | NFTA_CHAIN_HANDLE, | |
180 | NFTA_CHAIN_NAME, | |
181 | NFTA_CHAIN_HOOK, | |
0ca743a5 PNA |
182 | NFTA_CHAIN_POLICY, |
183 | NFTA_CHAIN_USE, | |
9370761c | 184 | NFTA_CHAIN_TYPE, |
0ca743a5 | 185 | NFTA_CHAIN_COUNTERS, |
b46f6ded | 186 | NFTA_CHAIN_PAD, |
96518518 PM |
187 | __NFTA_CHAIN_MAX |
188 | }; | |
189 | #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) | |
190 | ||
191 | /** | |
192 | * enum nft_rule_attributes - nf_tables rule netlink attributes | |
193 | * | |
194 | * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) | |
195 | * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) | |
196 | * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) | |
197 | * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) | |
0ca743a5 | 198 | * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) |
5e948466 | 199 | * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) |
0768b3b3 | 200 | * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) |
96518518 PM |
201 | */ |
202 | enum nft_rule_attributes { | |
203 | NFTA_RULE_UNSPEC, | |
204 | NFTA_RULE_TABLE, | |
205 | NFTA_RULE_CHAIN, | |
206 | NFTA_RULE_HANDLE, | |
207 | NFTA_RULE_EXPRESSIONS, | |
0ca743a5 | 208 | NFTA_RULE_COMPAT, |
5e948466 | 209 | NFTA_RULE_POSITION, |
0768b3b3 | 210 | NFTA_RULE_USERDATA, |
b46f6ded | 211 | NFTA_RULE_PAD, |
96518518 PM |
212 | __NFTA_RULE_MAX |
213 | }; | |
214 | #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) | |
215 | ||
0ca743a5 PNA |
216 | /** |
217 | * enum nft_rule_compat_flags - nf_tables rule compat flags | |
218 | * | |
219 | * @NFT_RULE_COMPAT_F_INV: invert the check result | |
220 | */ | |
221 | enum nft_rule_compat_flags { | |
222 | NFT_RULE_COMPAT_F_INV = (1 << 1), | |
223 | NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, | |
224 | }; | |
225 | ||
226 | /** | |
227 | * enum nft_rule_compat_attributes - nf_tables rule compat attributes | |
228 | * | |
229 | * @NFTA_RULE_COMPAT_PROTO: numerice value of handled protocol (NLA_U32) | |
230 | * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) | |
231 | */ | |
232 | enum nft_rule_compat_attributes { | |
233 | NFTA_RULE_COMPAT_UNSPEC, | |
234 | NFTA_RULE_COMPAT_PROTO, | |
235 | NFTA_RULE_COMPAT_FLAGS, | |
236 | __NFTA_RULE_COMPAT_MAX | |
237 | }; | |
238 | #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) | |
239 | ||
20a69341 PM |
240 | /** |
241 | * enum nft_set_flags - nf_tables set flags | |
242 | * | |
243 | * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink | |
244 | * @NFT_SET_CONSTANT: set contents may not change while bound | |
245 | * @NFT_SET_INTERVAL: set contains intervals | |
246 | * @NFT_SET_MAP: set is used as a dictionary | |
761da293 | 247 | * @NFT_SET_TIMEOUT: set uses timeouts |
7c6c6e95 | 248 | * @NFT_SET_EVAL: set contains expressions for evaluation |
20a69341 PM |
249 | */ |
250 | enum nft_set_flags { | |
251 | NFT_SET_ANONYMOUS = 0x1, | |
252 | NFT_SET_CONSTANT = 0x2, | |
253 | NFT_SET_INTERVAL = 0x4, | |
254 | NFT_SET_MAP = 0x8, | |
761da293 | 255 | NFT_SET_TIMEOUT = 0x10, |
7c6c6e95 | 256 | NFT_SET_EVAL = 0x20, |
20a69341 PM |
257 | }; |
258 | ||
c50b960c PM |
259 | /** |
260 | * enum nft_set_policies - set selection policy | |
261 | * | |
262 | * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use | |
263 | * @NFT_SET_POL_MEMORY: prefer low memory use over high performance | |
264 | */ | |
265 | enum nft_set_policies { | |
266 | NFT_SET_POL_PERFORMANCE, | |
267 | NFT_SET_POL_MEMORY, | |
268 | }; | |
269 | ||
270 | /** | |
271 | * enum nft_set_desc_attributes - set element description | |
272 | * | |
273 | * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) | |
274 | */ | |
275 | enum nft_set_desc_attributes { | |
276 | NFTA_SET_DESC_UNSPEC, | |
277 | NFTA_SET_DESC_SIZE, | |
278 | __NFTA_SET_DESC_MAX | |
279 | }; | |
280 | #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) | |
281 | ||
20a69341 PM |
282 | /** |
283 | * enum nft_set_attributes - nf_tables set netlink attributes | |
284 | * | |
285 | * @NFTA_SET_TABLE: table name (NLA_STRING) | |
286 | * @NFTA_SET_NAME: set name (NLA_STRING) | |
287 | * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) | |
288 | * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) | |
289 | * @NFTA_SET_KEY_LEN: key data length (NLA_U32) | |
290 | * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) | |
291 | * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) | |
c50b960c PM |
292 | * @NFTA_SET_POLICY: selection policy (NLA_U32) |
293 | * @NFTA_SET_DESC: set description (NLA_NESTED) | |
958bee14 | 294 | * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) |
761da293 PM |
295 | * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) |
296 | * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) | |
e6d8ecac | 297 | * @NFTA_SET_USERDATA: user data (NLA_BINARY) |
20a69341 PM |
298 | */ |
299 | enum nft_set_attributes { | |
300 | NFTA_SET_UNSPEC, | |
301 | NFTA_SET_TABLE, | |
302 | NFTA_SET_NAME, | |
303 | NFTA_SET_FLAGS, | |
304 | NFTA_SET_KEY_TYPE, | |
305 | NFTA_SET_KEY_LEN, | |
306 | NFTA_SET_DATA_TYPE, | |
307 | NFTA_SET_DATA_LEN, | |
c50b960c PM |
308 | NFTA_SET_POLICY, |
309 | NFTA_SET_DESC, | |
958bee14 | 310 | NFTA_SET_ID, |
761da293 PM |
311 | NFTA_SET_TIMEOUT, |
312 | NFTA_SET_GC_INTERVAL, | |
e6d8ecac | 313 | NFTA_SET_USERDATA, |
b46f6ded | 314 | NFTA_SET_PAD, |
20a69341 PM |
315 | __NFTA_SET_MAX |
316 | }; | |
317 | #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) | |
318 | ||
319 | /** | |
320 | * enum nft_set_elem_flags - nf_tables set element flags | |
321 | * | |
322 | * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval | |
323 | */ | |
324 | enum nft_set_elem_flags { | |
325 | NFT_SET_ELEM_INTERVAL_END = 0x1, | |
326 | }; | |
327 | ||
328 | /** | |
329 | * enum nft_set_elem_attributes - nf_tables set element netlink attributes | |
330 | * | |
331 | * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) | |
332 | * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) | |
333 | * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) | |
c3e1b005 PM |
334 | * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64) |
335 | * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) | |
68e942e8 | 336 | * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) |
f25ad2e9 | 337 | * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) |
20a69341 PM |
338 | */ |
339 | enum nft_set_elem_attributes { | |
340 | NFTA_SET_ELEM_UNSPEC, | |
341 | NFTA_SET_ELEM_KEY, | |
342 | NFTA_SET_ELEM_DATA, | |
343 | NFTA_SET_ELEM_FLAGS, | |
c3e1b005 PM |
344 | NFTA_SET_ELEM_TIMEOUT, |
345 | NFTA_SET_ELEM_EXPIRATION, | |
68e942e8 | 346 | NFTA_SET_ELEM_USERDATA, |
f25ad2e9 | 347 | NFTA_SET_ELEM_EXPR, |
b46f6ded | 348 | NFTA_SET_ELEM_PAD, |
20a69341 PM |
349 | __NFTA_SET_ELEM_MAX |
350 | }; | |
351 | #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) | |
352 | ||
353 | /** | |
354 | * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes | |
355 | * | |
356 | * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) | |
357 | * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) | |
358 | * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) | |
958bee14 | 359 | * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) |
20a69341 PM |
360 | */ |
361 | enum nft_set_elem_list_attributes { | |
362 | NFTA_SET_ELEM_LIST_UNSPEC, | |
363 | NFTA_SET_ELEM_LIST_TABLE, | |
364 | NFTA_SET_ELEM_LIST_SET, | |
365 | NFTA_SET_ELEM_LIST_ELEMENTS, | |
958bee14 | 366 | NFTA_SET_ELEM_LIST_SET_ID, |
20a69341 PM |
367 | __NFTA_SET_ELEM_LIST_MAX |
368 | }; | |
369 | #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) | |
370 | ||
371 | /** | |
372 | * enum nft_data_types - nf_tables data types | |
373 | * | |
374 | * @NFT_DATA_VALUE: generic data | |
375 | * @NFT_DATA_VERDICT: netfilter verdict | |
376 | * | |
377 | * The type of data is usually determined by the kernel directly and is not | |
378 | * explicitly specified by userspace. The only difference are sets, where | |
379 | * userspace specifies the key and mapping data types. | |
380 | * | |
381 | * The values 0xffffff00-0xffffffff are reserved for internally used types. | |
382 | * The remaining range can be freely used by userspace to encode types, all | |
383 | * values are equivalent to NFT_DATA_VALUE. | |
384 | */ | |
385 | enum nft_data_types { | |
386 | NFT_DATA_VALUE, | |
387 | NFT_DATA_VERDICT = 0xffffff00U, | |
388 | }; | |
389 | ||
390 | #define NFT_DATA_RESERVED_MASK 0xffffff00U | |
391 | ||
392 | /** | |
393 | * enum nft_data_attributes - nf_tables data netlink attributes | |
394 | * | |
395 | * @NFTA_DATA_VALUE: generic data (NLA_BINARY) | |
396 | * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) | |
397 | */ | |
96518518 PM |
398 | enum nft_data_attributes { |
399 | NFTA_DATA_UNSPEC, | |
400 | NFTA_DATA_VALUE, | |
401 | NFTA_DATA_VERDICT, | |
402 | __NFTA_DATA_MAX | |
403 | }; | |
404 | #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) | |
405 | ||
7d740264 PM |
406 | /* Maximum length of a value */ |
407 | #define NFT_DATA_VALUE_MAXLEN 64 | |
408 | ||
96518518 PM |
409 | /** |
410 | * enum nft_verdict_attributes - nf_tables verdict netlink attributes | |
411 | * | |
412 | * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) | |
413 | * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) | |
414 | */ | |
415 | enum nft_verdict_attributes { | |
416 | NFTA_VERDICT_UNSPEC, | |
417 | NFTA_VERDICT_CODE, | |
418 | NFTA_VERDICT_CHAIN, | |
419 | __NFTA_VERDICT_MAX | |
420 | }; | |
421 | #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) | |
422 | ||
423 | /** | |
424 | * enum nft_expr_attributes - nf_tables expression netlink attributes | |
425 | * | |
426 | * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) | |
427 | * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) | |
428 | */ | |
429 | enum nft_expr_attributes { | |
430 | NFTA_EXPR_UNSPEC, | |
431 | NFTA_EXPR_NAME, | |
432 | NFTA_EXPR_DATA, | |
433 | __NFTA_EXPR_MAX | |
434 | }; | |
435 | #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) | |
436 | ||
437 | /** | |
438 | * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes | |
439 | * | |
440 | * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) | |
441 | * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) | |
442 | */ | |
443 | enum nft_immediate_attributes { | |
444 | NFTA_IMMEDIATE_UNSPEC, | |
445 | NFTA_IMMEDIATE_DREG, | |
446 | NFTA_IMMEDIATE_DATA, | |
447 | __NFTA_IMMEDIATE_MAX | |
448 | }; | |
449 | #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) | |
450 | ||
451 | /** | |
452 | * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes | |
453 | * | |
454 | * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) | |
455 | * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) | |
456 | * @NFTA_BITWISE_LEN: length of operands (NLA_U32) | |
457 | * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) | |
458 | * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) | |
459 | * | |
460 | * The bitwise expression performs the following operation: | |
461 | * | |
462 | * dreg = (sreg & mask) ^ xor | |
463 | * | |
464 | * which allow to express all bitwise operations: | |
465 | * | |
466 | * mask xor | |
467 | * NOT: 1 1 | |
468 | * OR: 0 x | |
469 | * XOR: 1 x | |
470 | * AND: x 0 | |
471 | */ | |
472 | enum nft_bitwise_attributes { | |
473 | NFTA_BITWISE_UNSPEC, | |
474 | NFTA_BITWISE_SREG, | |
475 | NFTA_BITWISE_DREG, | |
476 | NFTA_BITWISE_LEN, | |
477 | NFTA_BITWISE_MASK, | |
478 | NFTA_BITWISE_XOR, | |
479 | __NFTA_BITWISE_MAX | |
480 | }; | |
481 | #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) | |
482 | ||
483 | /** | |
484 | * enum nft_byteorder_ops - nf_tables byteorder operators | |
485 | * | |
486 | * @NFT_BYTEORDER_NTOH: network to host operator | |
487 | * @NFT_BYTEORDER_HTON: host to network opertaor | |
488 | */ | |
489 | enum nft_byteorder_ops { | |
490 | NFT_BYTEORDER_NTOH, | |
491 | NFT_BYTEORDER_HTON, | |
492 | }; | |
493 | ||
494 | /** | |
495 | * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes | |
496 | * | |
497 | * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) | |
498 | * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) | |
499 | * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) | |
500 | * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) | |
501 | * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) | |
502 | */ | |
503 | enum nft_byteorder_attributes { | |
504 | NFTA_BYTEORDER_UNSPEC, | |
505 | NFTA_BYTEORDER_SREG, | |
506 | NFTA_BYTEORDER_DREG, | |
507 | NFTA_BYTEORDER_OP, | |
508 | NFTA_BYTEORDER_LEN, | |
509 | NFTA_BYTEORDER_SIZE, | |
510 | __NFTA_BYTEORDER_MAX | |
511 | }; | |
512 | #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) | |
513 | ||
514 | /** | |
515 | * enum nft_cmp_ops - nf_tables relational operator | |
516 | * | |
517 | * @NFT_CMP_EQ: equal | |
518 | * @NFT_CMP_NEQ: not equal | |
519 | * @NFT_CMP_LT: less than | |
520 | * @NFT_CMP_LTE: less than or equal to | |
521 | * @NFT_CMP_GT: greater than | |
522 | * @NFT_CMP_GTE: greater than or equal to | |
523 | */ | |
524 | enum nft_cmp_ops { | |
525 | NFT_CMP_EQ, | |
526 | NFT_CMP_NEQ, | |
527 | NFT_CMP_LT, | |
528 | NFT_CMP_LTE, | |
529 | NFT_CMP_GT, | |
530 | NFT_CMP_GTE, | |
531 | }; | |
532 | ||
533 | /** | |
534 | * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes | |
535 | * | |
536 | * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) | |
537 | * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) | |
538 | * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) | |
539 | */ | |
540 | enum nft_cmp_attributes { | |
541 | NFTA_CMP_UNSPEC, | |
542 | NFTA_CMP_SREG, | |
543 | NFTA_CMP_OP, | |
544 | NFTA_CMP_DATA, | |
545 | __NFTA_CMP_MAX | |
546 | }; | |
547 | #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) | |
548 | ||
0f3cd9b3 PNA |
549 | /** |
550 | * enum nft_range_ops - nf_tables range operator | |
551 | * | |
552 | * @NFT_RANGE_EQ: equal | |
553 | * @NFT_RANGE_NEQ: not equal | |
554 | */ | |
555 | enum nft_range_ops { | |
556 | NFT_RANGE_EQ, | |
557 | NFT_RANGE_NEQ, | |
558 | }; | |
559 | ||
560 | /** | |
561 | * enum nft_range_attributes - nf_tables range expression netlink attributes | |
562 | * | |
563 | * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) | |
564 | * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops) | |
565 | * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) | |
566 | * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) | |
567 | */ | |
568 | enum nft_range_attributes { | |
569 | NFTA_RANGE_UNSPEC, | |
570 | NFTA_RANGE_SREG, | |
571 | NFTA_RANGE_OP, | |
572 | NFTA_RANGE_FROM_DATA, | |
573 | NFTA_RANGE_TO_DATA, | |
574 | __NFTA_RANGE_MAX | |
575 | }; | |
576 | #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1) | |
577 | ||
0071e184 AB |
578 | enum nft_lookup_flags { |
579 | NFT_LOOKUP_F_INV = (1 << 0), | |
580 | }; | |
581 | ||
20a69341 PM |
582 | /** |
583 | * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes | |
584 | * | |
585 | * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) | |
586 | * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) | |
587 | * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) | |
958bee14 | 588 | * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) |
0071e184 | 589 | * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) |
20a69341 PM |
590 | */ |
591 | enum nft_lookup_attributes { | |
592 | NFTA_LOOKUP_UNSPEC, | |
593 | NFTA_LOOKUP_SET, | |
594 | NFTA_LOOKUP_SREG, | |
595 | NFTA_LOOKUP_DREG, | |
958bee14 | 596 | NFTA_LOOKUP_SET_ID, |
0071e184 | 597 | NFTA_LOOKUP_FLAGS, |
20a69341 | 598 | __NFTA_LOOKUP_MAX |
96518518 | 599 | }; |
20a69341 | 600 | #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) |
96518518 | 601 | |
22fe54d5 PM |
602 | enum nft_dynset_ops { |
603 | NFT_DYNSET_OP_ADD, | |
604 | NFT_DYNSET_OP_UPDATE, | |
605 | }; | |
606 | ||
dbd2be06 PNA |
607 | enum nft_dynset_flags { |
608 | NFT_DYNSET_F_INV = (1 << 0), | |
609 | }; | |
610 | ||
22fe54d5 PM |
611 | /** |
612 | * enum nft_dynset_attributes - dynset expression attributes | |
613 | * | |
614 | * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) | |
615 | * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) | |
616 | * @NFTA_DYNSET_OP: operation (NLA_U32) | |
617 | * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) | |
618 | * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) | |
619 | * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) | |
3e135cd4 | 620 | * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) |
dbd2be06 | 621 | * @NFTA_DYNSET_FLAGS: flags (NLA_U32) |
22fe54d5 PM |
622 | */ |
623 | enum nft_dynset_attributes { | |
624 | NFTA_DYNSET_UNSPEC, | |
625 | NFTA_DYNSET_SET_NAME, | |
626 | NFTA_DYNSET_SET_ID, | |
627 | NFTA_DYNSET_OP, | |
628 | NFTA_DYNSET_SREG_KEY, | |
629 | NFTA_DYNSET_SREG_DATA, | |
630 | NFTA_DYNSET_TIMEOUT, | |
3e135cd4 | 631 | NFTA_DYNSET_EXPR, |
b46f6ded | 632 | NFTA_DYNSET_PAD, |
dbd2be06 | 633 | NFTA_DYNSET_FLAGS, |
22fe54d5 PM |
634 | __NFTA_DYNSET_MAX, |
635 | }; | |
636 | #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) | |
637 | ||
96518518 PM |
638 | /** |
639 | * enum nft_payload_bases - nf_tables payload expression offset bases | |
640 | * | |
641 | * @NFT_PAYLOAD_LL_HEADER: link layer header | |
642 | * @NFT_PAYLOAD_NETWORK_HEADER: network header | |
643 | * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header | |
644 | */ | |
645 | enum nft_payload_bases { | |
646 | NFT_PAYLOAD_LL_HEADER, | |
647 | NFT_PAYLOAD_NETWORK_HEADER, | |
648 | NFT_PAYLOAD_TRANSPORT_HEADER, | |
649 | }; | |
650 | ||
7ec3f7b4 PM |
651 | /** |
652 | * enum nft_payload_csum_types - nf_tables payload expression checksum types | |
653 | * | |
654 | * @NFT_PAYLOAD_CSUM_NONE: no checksumming | |
655 | * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) | |
656 | */ | |
657 | enum nft_payload_csum_types { | |
658 | NFT_PAYLOAD_CSUM_NONE, | |
659 | NFT_PAYLOAD_CSUM_INET, | |
660 | }; | |
661 | ||
96518518 PM |
662 | /** |
663 | * enum nft_payload_attributes - nf_tables payload expression netlink attributes | |
664 | * | |
665 | * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) | |
666 | * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) | |
667 | * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) | |
668 | * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) | |
7ec3f7b4 PM |
669 | * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) |
670 | * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) | |
671 | * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) | |
96518518 PM |
672 | */ |
673 | enum nft_payload_attributes { | |
674 | NFTA_PAYLOAD_UNSPEC, | |
675 | NFTA_PAYLOAD_DREG, | |
676 | NFTA_PAYLOAD_BASE, | |
677 | NFTA_PAYLOAD_OFFSET, | |
678 | NFTA_PAYLOAD_LEN, | |
7ec3f7b4 PM |
679 | NFTA_PAYLOAD_SREG, |
680 | NFTA_PAYLOAD_CSUM_TYPE, | |
681 | NFTA_PAYLOAD_CSUM_OFFSET, | |
96518518 PM |
682 | __NFTA_PAYLOAD_MAX |
683 | }; | |
684 | #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) | |
685 | ||
686 | /** | |
687 | * enum nft_exthdr_attributes - nf_tables IPv6 extension header expression netlink attributes | |
688 | * | |
689 | * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) | |
690 | * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) | |
691 | * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) | |
692 | * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) | |
693 | */ | |
694 | enum nft_exthdr_attributes { | |
695 | NFTA_EXTHDR_UNSPEC, | |
696 | NFTA_EXTHDR_DREG, | |
697 | NFTA_EXTHDR_TYPE, | |
698 | NFTA_EXTHDR_OFFSET, | |
699 | NFTA_EXTHDR_LEN, | |
700 | __NFTA_EXTHDR_MAX | |
701 | }; | |
702 | #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) | |
703 | ||
704 | /** | |
705 | * enum nft_meta_keys - nf_tables meta expression keys | |
706 | * | |
707 | * @NFT_META_LEN: packet length (skb->len) | |
708 | * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT | |
709 | * @NFT_META_PRIORITY: packet priority (skb->priority) | |
710 | * @NFT_META_MARK: packet mark (skb->mark) | |
711 | * @NFT_META_IIF: packet input interface index (dev->ifindex) | |
712 | * @NFT_META_OIF: packet output interface index (dev->ifindex) | |
713 | * @NFT_META_IIFNAME: packet input interface name (dev->name) | |
714 | * @NFT_META_OIFNAME: packet output interface name (dev->name) | |
715 | * @NFT_META_IIFTYPE: packet input interface type (dev->type) | |
716 | * @NFT_META_OIFTYPE: packet output interface type (dev->type) | |
717 | * @NFT_META_SKUID: originating socket UID (fsuid) | |
718 | * @NFT_META_SKGID: originating socket GID (fsgid) | |
719 | * @NFT_META_NFTRACE: packet nftrace bit | |
720 | * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) | |
721 | * @NFT_META_SECMARK: packet secmark (skb->secmark) | |
124edfa9 | 722 | * @NFT_META_NFPROTO: netfilter protocol |
4566bf27 | 723 | * @NFT_META_L4PROTO: layer 4 protocol number |
f5efc696 TB |
724 | * @NFT_META_BRI_IIFNAME: packet input bridge interface name |
725 | * @NFT_META_BRI_OIFNAME: packet output bridge interface name | |
e2a093ff | 726 | * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback |
afc5be30 | 727 | * @NFT_META_CPU: cpu id through smp_processor_id() |
3045d760 AR |
728 | * @NFT_META_IIFGROUP: packet input interface group |
729 | * @NFT_META_OIFGROUP: packet output interface group | |
ce674173 | 730 | * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) |
b07edbe1 | 731 | * @NFT_META_PRANDOM: a 32bit pseudo-random number |
96518518 PM |
732 | */ |
733 | enum nft_meta_keys { | |
734 | NFT_META_LEN, | |
735 | NFT_META_PROTOCOL, | |
736 | NFT_META_PRIORITY, | |
737 | NFT_META_MARK, | |
738 | NFT_META_IIF, | |
739 | NFT_META_OIF, | |
740 | NFT_META_IIFNAME, | |
741 | NFT_META_OIFNAME, | |
742 | NFT_META_IIFTYPE, | |
743 | NFT_META_OIFTYPE, | |
744 | NFT_META_SKUID, | |
745 | NFT_META_SKGID, | |
746 | NFT_META_NFTRACE, | |
747 | NFT_META_RTCLASSID, | |
748 | NFT_META_SECMARK, | |
124edfa9 | 749 | NFT_META_NFPROTO, |
4566bf27 | 750 | NFT_META_L4PROTO, |
f5efc696 TB |
751 | NFT_META_BRI_IIFNAME, |
752 | NFT_META_BRI_OIFNAME, | |
e2a093ff | 753 | NFT_META_PKTTYPE, |
afc5be30 | 754 | NFT_META_CPU, |
3045d760 AR |
755 | NFT_META_IIFGROUP, |
756 | NFT_META_OIFGROUP, | |
ce674173 | 757 | NFT_META_CGROUP, |
b07edbe1 | 758 | NFT_META_PRANDOM, |
96518518 PM |
759 | }; |
760 | ||
cb1b69b0 LGL |
761 | /** |
762 | * enum nft_hash_attributes - nf_tables hash expression netlink attributes | |
763 | * | |
764 | * @NFTA_HASH_SREG: source register (NLA_U32) | |
765 | * @NFTA_HASH_DREG: destination register (NLA_U32) | |
766 | * @NFTA_HASH_LEN: source data length (NLA_U32) | |
767 | * @NFTA_HASH_MODULUS: modulus value (NLA_U32) | |
768 | * @NFTA_HASH_SEED: seed value (NLA_U32) | |
70ca767e | 769 | * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) |
cb1b69b0 LGL |
770 | */ |
771 | enum nft_hash_attributes { | |
772 | NFTA_HASH_UNSPEC, | |
773 | NFTA_HASH_SREG, | |
774 | NFTA_HASH_DREG, | |
775 | NFTA_HASH_LEN, | |
776 | NFTA_HASH_MODULUS, | |
777 | NFTA_HASH_SEED, | |
70ca767e | 778 | NFTA_HASH_OFFSET, |
cb1b69b0 LGL |
779 | __NFTA_HASH_MAX, |
780 | }; | |
781 | #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1) | |
782 | ||
96518518 PM |
783 | /** |
784 | * enum nft_meta_attributes - nf_tables meta expression netlink attributes | |
785 | * | |
786 | * @NFTA_META_DREG: destination register (NLA_U32) | |
787 | * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) | |
e035b77a | 788 | * @NFTA_META_SREG: source register (NLA_U32) |
96518518 PM |
789 | */ |
790 | enum nft_meta_attributes { | |
791 | NFTA_META_UNSPEC, | |
792 | NFTA_META_DREG, | |
793 | NFTA_META_KEY, | |
e035b77a | 794 | NFTA_META_SREG, |
96518518 PM |
795 | __NFTA_META_MAX |
796 | }; | |
797 | #define NFTA_META_MAX (__NFTA_META_MAX - 1) | |
798 | ||
799 | /** | |
800 | * enum nft_ct_keys - nf_tables ct expression keys | |
801 | * | |
802 | * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) | |
803 | * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) | |
804 | * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) | |
805 | * @NFT_CT_MARK: conntrack mark value | |
806 | * @NFT_CT_SECMARK: conntrack secmark value | |
807 | * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms | |
808 | * @NFT_CT_HELPER: connection tracking helper assigned to conntrack | |
809 | * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol | |
810 | * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address) | |
811 | * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address) | |
812 | * @NFT_CT_PROTOCOL: conntrack layer 4 protocol | |
813 | * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source | |
814 | * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination | |
815 | */ | |
816 | enum nft_ct_keys { | |
817 | NFT_CT_STATE, | |
818 | NFT_CT_DIRECTION, | |
819 | NFT_CT_STATUS, | |
820 | NFT_CT_MARK, | |
821 | NFT_CT_SECMARK, | |
822 | NFT_CT_EXPIRATION, | |
823 | NFT_CT_HELPER, | |
824 | NFT_CT_L3PROTOCOL, | |
825 | NFT_CT_SRC, | |
826 | NFT_CT_DST, | |
827 | NFT_CT_PROTOCOL, | |
828 | NFT_CT_PROTO_SRC, | |
829 | NFT_CT_PROTO_DST, | |
d2bf2f34 | 830 | NFT_CT_LABELS, |
48f66c90 FW |
831 | NFT_CT_PKTS, |
832 | NFT_CT_BYTES, | |
96518518 PM |
833 | }; |
834 | ||
835 | /** | |
836 | * enum nft_ct_attributes - nf_tables ct expression netlink attributes | |
837 | * | |
838 | * @NFTA_CT_DREG: destination register (NLA_U32) | |
839 | * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) | |
840 | * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) | |
c4ede3d3 | 841 | * @NFTA_CT_SREG: source register (NLA_U32) |
96518518 PM |
842 | */ |
843 | enum nft_ct_attributes { | |
844 | NFTA_CT_UNSPEC, | |
845 | NFTA_CT_DREG, | |
846 | NFTA_CT_KEY, | |
847 | NFTA_CT_DIRECTION, | |
c4ede3d3 | 848 | NFTA_CT_SREG, |
96518518 PM |
849 | __NFTA_CT_MAX |
850 | }; | |
851 | #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) | |
852 | ||
d2168e84 PNA |
853 | enum nft_limit_type { |
854 | NFT_LIMIT_PKTS, | |
855 | NFT_LIMIT_PKT_BYTES | |
856 | }; | |
857 | ||
c7862a5f PNA |
858 | enum nft_limit_flags { |
859 | NFT_LIMIT_F_INV = (1 << 0), | |
860 | }; | |
861 | ||
96518518 PM |
862 | /** |
863 | * enum nft_limit_attributes - nf_tables limit expression netlink attributes | |
864 | * | |
865 | * @NFTA_LIMIT_RATE: refill rate (NLA_U64) | |
866 | * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) | |
3e87baaf | 867 | * @NFTA_LIMIT_BURST: burst (NLA_U32) |
d2168e84 | 868 | * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) |
c7862a5f | 869 | * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) |
96518518 PM |
870 | */ |
871 | enum nft_limit_attributes { | |
872 | NFTA_LIMIT_UNSPEC, | |
873 | NFTA_LIMIT_RATE, | |
874 | NFTA_LIMIT_UNIT, | |
3e87baaf | 875 | NFTA_LIMIT_BURST, |
d2168e84 | 876 | NFTA_LIMIT_TYPE, |
c7862a5f | 877 | NFTA_LIMIT_FLAGS, |
b46f6ded | 878 | NFTA_LIMIT_PAD, |
96518518 PM |
879 | __NFTA_LIMIT_MAX |
880 | }; | |
881 | #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) | |
882 | ||
883 | /** | |
884 | * enum nft_counter_attributes - nf_tables counter expression netlink attributes | |
885 | * | |
886 | * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) | |
887 | * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) | |
888 | */ | |
889 | enum nft_counter_attributes { | |
890 | NFTA_COUNTER_UNSPEC, | |
891 | NFTA_COUNTER_BYTES, | |
892 | NFTA_COUNTER_PACKETS, | |
b46f6ded | 893 | NFTA_COUNTER_PAD, |
96518518 PM |
894 | __NFTA_COUNTER_MAX |
895 | }; | |
896 | #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) | |
897 | ||
898 | /** | |
899 | * enum nft_log_attributes - nf_tables log expression netlink attributes | |
900 | * | |
901 | * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32) | |
902 | * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) | |
903 | * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) | |
904 | * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32) | |
09d27b88 PNA |
905 | * @NFTA_LOG_LEVEL: log level (NLA_U32) |
906 | * @NFTA_LOG_FLAGS: logging flags (NLA_U32) | |
96518518 PM |
907 | */ |
908 | enum nft_log_attributes { | |
909 | NFTA_LOG_UNSPEC, | |
910 | NFTA_LOG_GROUP, | |
911 | NFTA_LOG_PREFIX, | |
912 | NFTA_LOG_SNAPLEN, | |
913 | NFTA_LOG_QTHRESHOLD, | |
09d27b88 PNA |
914 | NFTA_LOG_LEVEL, |
915 | NFTA_LOG_FLAGS, | |
96518518 PM |
916 | __NFTA_LOG_MAX |
917 | }; | |
918 | #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) | |
919 | ||
0aff078d EL |
920 | /** |
921 | * enum nft_queue_attributes - nf_tables queue expression netlink attributes | |
922 | * | |
923 | * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) | |
924 | * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) | |
925 | * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) | |
8061bb54 | 926 | * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) |
0aff078d EL |
927 | */ |
928 | enum nft_queue_attributes { | |
929 | NFTA_QUEUE_UNSPEC, | |
930 | NFTA_QUEUE_NUM, | |
931 | NFTA_QUEUE_TOTAL, | |
932 | NFTA_QUEUE_FLAGS, | |
8061bb54 | 933 | NFTA_QUEUE_SREG_QNUM, |
0aff078d EL |
934 | __NFTA_QUEUE_MAX |
935 | }; | |
936 | #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) | |
937 | ||
938 | #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ | |
939 | #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ | |
940 | #define NFT_QUEUE_FLAG_MASK 0x03 | |
941 | ||
3d2f30a1 PNA |
942 | enum nft_quota_flags { |
943 | NFT_QUOTA_F_INV = (1 << 0), | |
944 | }; | |
945 | ||
946 | /** | |
947 | * enum nft_quota_attributes - nf_tables quota expression netlink attributes | |
948 | * | |
949 | * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) | |
950 | * @NFTA_QUOTA_FLAGS: flags (NLA_U32) | |
951 | */ | |
952 | enum nft_quota_attributes { | |
953 | NFTA_QUOTA_UNSPEC, | |
954 | NFTA_QUOTA_BYTES, | |
955 | NFTA_QUOTA_FLAGS, | |
956 | NFTA_QUOTA_PAD, | |
957 | __NFTA_QUOTA_MAX | |
958 | }; | |
959 | #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1) | |
960 | ||
96518518 PM |
961 | /** |
962 | * enum nft_reject_types - nf_tables reject expression reject types | |
963 | * | |
964 | * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable | |
965 | * @NFT_REJECT_TCP_RST: reject using TCP RST | |
51b0a5d8 | 966 | * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet |
96518518 PM |
967 | */ |
968 | enum nft_reject_types { | |
969 | NFT_REJECT_ICMP_UNREACH, | |
970 | NFT_REJECT_TCP_RST, | |
51b0a5d8 | 971 | NFT_REJECT_ICMPX_UNREACH, |
96518518 PM |
972 | }; |
973 | ||
51b0a5d8 PNA |
974 | /** |
975 | * enum nft_reject_code - Generic reject codes for IPv4/IPv6 | |
976 | * | |
977 | * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable | |
978 | * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable | |
979 | * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable | |
980 | * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited | |
981 | * | |
982 | * These codes are mapped to real ICMP and ICMPv6 codes. | |
983 | */ | |
984 | enum nft_reject_inet_code { | |
985 | NFT_REJECT_ICMPX_NO_ROUTE = 0, | |
986 | NFT_REJECT_ICMPX_PORT_UNREACH, | |
987 | NFT_REJECT_ICMPX_HOST_UNREACH, | |
988 | NFT_REJECT_ICMPX_ADMIN_PROHIBITED, | |
989 | __NFT_REJECT_ICMPX_MAX | |
990 | }; | |
f0d1f04f | 991 | #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) |
51b0a5d8 | 992 | |
96518518 PM |
993 | /** |
994 | * enum nft_reject_attributes - nf_tables reject expression netlink attributes | |
995 | * | |
996 | * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) | |
997 | * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) | |
998 | */ | |
999 | enum nft_reject_attributes { | |
1000 | NFTA_REJECT_UNSPEC, | |
1001 | NFTA_REJECT_TYPE, | |
1002 | NFTA_REJECT_ICMP_CODE, | |
1003 | __NFTA_REJECT_MAX | |
1004 | }; | |
1005 | #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) | |
1006 | ||
1007 | /** | |
1008 | * enum nft_nat_types - nf_tables nat expression NAT types | |
1009 | * | |
1010 | * @NFT_NAT_SNAT: source NAT | |
1011 | * @NFT_NAT_DNAT: destination NAT | |
1012 | */ | |
1013 | enum nft_nat_types { | |
1014 | NFT_NAT_SNAT, | |
1015 | NFT_NAT_DNAT, | |
1016 | }; | |
1017 | ||
1018 | /** | |
1019 | * enum nft_nat_attributes - nf_tables nat expression netlink attributes | |
1020 | * | |
1021 | * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) | |
eb31628e TB |
1022 | * @NFTA_NAT_FAMILY: NAT family (NLA_U32) |
1023 | * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) | |
1024 | * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) | |
1025 | * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) | |
1026 | * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) | |
e42eff8a | 1027 | * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) |
96518518 PM |
1028 | */ |
1029 | enum nft_nat_attributes { | |
1030 | NFTA_NAT_UNSPEC, | |
1031 | NFTA_NAT_TYPE, | |
eb31628e TB |
1032 | NFTA_NAT_FAMILY, |
1033 | NFTA_NAT_REG_ADDR_MIN, | |
1034 | NFTA_NAT_REG_ADDR_MAX, | |
1035 | NFTA_NAT_REG_PROTO_MIN, | |
1036 | NFTA_NAT_REG_PROTO_MAX, | |
e42eff8a | 1037 | NFTA_NAT_FLAGS, |
96518518 PM |
1038 | __NFTA_NAT_MAX |
1039 | }; | |
1040 | #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) | |
1041 | ||
9ba1f726 AB |
1042 | /** |
1043 | * enum nft_masq_attributes - nf_tables masquerade expression attributes | |
1044 | * | |
1045 | * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) | |
8a6bf5da PNA |
1046 | * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) |
1047 | * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) | |
9ba1f726 AB |
1048 | */ |
1049 | enum nft_masq_attributes { | |
39e393bb | 1050 | NFTA_MASQ_UNSPEC, |
9ba1f726 | 1051 | NFTA_MASQ_FLAGS, |
8a6bf5da PNA |
1052 | NFTA_MASQ_REG_PROTO_MIN, |
1053 | NFTA_MASQ_REG_PROTO_MAX, | |
9ba1f726 AB |
1054 | __NFTA_MASQ_MAX |
1055 | }; | |
1056 | #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) | |
1057 | ||
e9105f1b AB |
1058 | /** |
1059 | * enum nft_redir_attributes - nf_tables redirect expression netlink attributes | |
1060 | * | |
1061 | * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) | |
1062 | * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) | |
1063 | * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) | |
1064 | */ | |
1065 | enum nft_redir_attributes { | |
1066 | NFTA_REDIR_UNSPEC, | |
1067 | NFTA_REDIR_REG_PROTO_MIN, | |
1068 | NFTA_REDIR_REG_PROTO_MAX, | |
1069 | NFTA_REDIR_FLAGS, | |
1070 | __NFTA_REDIR_MAX | |
1071 | }; | |
1072 | #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) | |
1073 | ||
d877f071 PNA |
1074 | /** |
1075 | * enum nft_dup_attributes - nf_tables dup expression netlink attributes | |
1076 | * | |
1077 | * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) | |
1078 | * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) | |
1079 | */ | |
1080 | enum nft_dup_attributes { | |
1081 | NFTA_DUP_UNSPEC, | |
1082 | NFTA_DUP_SREG_ADDR, | |
1083 | NFTA_DUP_SREG_DEV, | |
1084 | __NFTA_DUP_MAX | |
1085 | }; | |
1086 | #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) | |
1087 | ||
39e6dea2 PNA |
1088 | /** |
1089 | * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes | |
1090 | * | |
1091 | * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) | |
1092 | */ | |
1093 | enum nft_fwd_attributes { | |
1094 | NFTA_FWD_UNSPEC, | |
1095 | NFTA_FWD_SREG_DEV, | |
1096 | __NFTA_FWD_MAX | |
1097 | }; | |
1098 | #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1) | |
1099 | ||
84d7fce6 PNA |
1100 | /** |
1101 | * enum nft_gen_attributes - nf_tables ruleset generation attributes | |
1102 | * | |
1103 | * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) | |
1104 | */ | |
1105 | enum nft_gen_attributes { | |
1106 | NFTA_GEN_UNSPEC, | |
1107 | NFTA_GEN_ID, | |
1108 | __NFTA_GEN_MAX | |
1109 | }; | |
1110 | #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) | |
1111 | ||
f6d0cbcf FW |
1112 | /* |
1113 | * enum nft_fib_attributes - nf_tables fib expression netlink attributes | |
1114 | * | |
1115 | * @NFTA_FIB_DREG: destination register (NLA_U32) | |
1116 | * @NFTA_FIB_RESULT: desired result (NLA_U32) | |
1117 | * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) | |
1118 | * | |
1119 | * The FIB expression performs a route lookup according | |
1120 | * to the packet data. | |
1121 | */ | |
1122 | enum nft_fib_attributes { | |
1123 | NFTA_FIB_UNSPEC, | |
1124 | NFTA_FIB_DREG, | |
1125 | NFTA_FIB_RESULT, | |
1126 | NFTA_FIB_FLAGS, | |
1127 | __NFTA_FIB_MAX | |
1128 | }; | |
1129 | #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1) | |
1130 | ||
1131 | enum nft_fib_result { | |
1132 | NFT_FIB_RESULT_UNSPEC, | |
1133 | NFT_FIB_RESULT_OIF, | |
1134 | NFT_FIB_RESULT_OIFNAME, | |
1135 | NFT_FIB_RESULT_ADDRTYPE, | |
1136 | __NFT_FIB_RESULT_MAX | |
1137 | }; | |
1138 | #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1) | |
1139 | ||
1140 | enum nft_fib_flags { | |
1141 | NFTA_FIB_F_SADDR = 1 << 0, /* look up src */ | |
1142 | NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */ | |
1143 | NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */ | |
1144 | NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */ | |
1145 | NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */ | |
1146 | }; | |
1147 | ||
33d5a7b1 FW |
1148 | /** |
1149 | * enum nft_trace_attributes - nf_tables trace netlink attributes | |
1150 | * | |
1151 | * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) | |
1152 | * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) | |
1153 | * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) | |
1154 | * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) | |
1155 | * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) | |
1156 | * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) | |
1157 | * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) | |
1158 | * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) | |
1159 | * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) | |
1160 | * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) | |
1161 | * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) | |
1162 | * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) | |
1163 | * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) | |
1164 | * @NFTA_TRACE_MARK: nfmark (NLA_U32) | |
1165 | * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) | |
1166 | * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) | |
1167 | */ | |
b43f9569 | 1168 | enum nft_trace_attributes { |
33d5a7b1 FW |
1169 | NFTA_TRACE_UNSPEC, |
1170 | NFTA_TRACE_TABLE, | |
1171 | NFTA_TRACE_CHAIN, | |
1172 | NFTA_TRACE_RULE_HANDLE, | |
1173 | NFTA_TRACE_TYPE, | |
1174 | NFTA_TRACE_VERDICT, | |
1175 | NFTA_TRACE_ID, | |
1176 | NFTA_TRACE_LL_HEADER, | |
1177 | NFTA_TRACE_NETWORK_HEADER, | |
1178 | NFTA_TRACE_TRANSPORT_HEADER, | |
1179 | NFTA_TRACE_IIF, | |
1180 | NFTA_TRACE_IIFTYPE, | |
1181 | NFTA_TRACE_OIF, | |
1182 | NFTA_TRACE_OIFTYPE, | |
1183 | NFTA_TRACE_MARK, | |
1184 | NFTA_TRACE_NFPROTO, | |
1185 | NFTA_TRACE_POLICY, | |
b46f6ded | 1186 | NFTA_TRACE_PAD, |
33d5a7b1 FW |
1187 | __NFTA_TRACE_MAX |
1188 | }; | |
1189 | #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1) | |
1190 | ||
1191 | enum nft_trace_types { | |
1192 | NFT_TRACETYPE_UNSPEC, | |
1193 | NFT_TRACETYPE_POLICY, | |
1194 | NFT_TRACETYPE_RETURN, | |
1195 | NFT_TRACETYPE_RULE, | |
1196 | __NFT_TRACETYPE_MAX | |
1197 | }; | |
1198 | #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) | |
91dbc6be LGL |
1199 | |
1200 | /** | |
1201 | * enum nft_ng_attributes - nf_tables number generator expression netlink attributes | |
1202 | * | |
1203 | * @NFTA_NG_DREG: destination register (NLA_U32) | |
0d9932b2 | 1204 | * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) |
91dbc6be | 1205 | * @NFTA_NG_TYPE: operation type (NLA_U32) |
2b03bf73 | 1206 | * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) |
91dbc6be LGL |
1207 | */ |
1208 | enum nft_ng_attributes { | |
1209 | NFTA_NG_UNSPEC, | |
1210 | NFTA_NG_DREG, | |
0d9932b2 | 1211 | NFTA_NG_MODULUS, |
91dbc6be | 1212 | NFTA_NG_TYPE, |
2b03bf73 | 1213 | NFTA_NG_OFFSET, |
91dbc6be LGL |
1214 | __NFTA_NG_MAX |
1215 | }; | |
1216 | #define NFTA_NG_MAX (__NFTA_NG_MAX - 1) | |
1217 | ||
1218 | enum nft_ng_types { | |
1219 | NFT_NG_INCREMENTAL, | |
1220 | NFT_NG_RANDOM, | |
1221 | __NFT_NG_MAX | |
1222 | }; | |
1223 | #define NFT_NG_MAX (__NFT_NG_MAX - 1) | |
1224 | ||
96518518 | 1225 | #endif /* _LINUX_NF_TABLES_H */ |