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1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

2 #ifndef _LINUX_NF_TABLES_H

3 #define _LINUX_NF_TABLES_H

5 #define NFT_NAME_MAXLEN 256

6 #define NFT_TABLE_MAXNAMELEN NFT_NAME_MAXLEN

7 #define NFT_CHAIN_MAXNAMELEN NFT_NAME_MAXLEN

8 #define NFT_SET_MAXNAMELEN NFT_NAME_MAXLEN

9 #define NFT_OBJ_MAXNAMELEN NFT_NAME_MAXLEN

10 #define NFT_USERDATA_MAXLEN 256

11 #define NFT_OSF_MAXGENRELEN 16

13 /**

14 * enum nft_registers - nf_tables registers

15 *

16 * nf_tables used to have five registers: a verdict register and four data

17 * registers of size 16. The data registers have been changed to 16 registers

18 * of size 4. For compatibility reasons, the NFT_REG_[1-4] registers still

19 * map to areas of size 16, the 4 byte registers are addressed using

20 * NFT_REG32_00 - NFT_REG32_15.

21 */

22 enum nft_registers {

23 NFT_REG_VERDICT,

24 NFT_REG_1,

25 NFT_REG_2,

26 NFT_REG_3,

27 NFT_REG_4,

28 __NFT_REG_MAX,

30 NFT_REG32_00 = 8,

31 NFT_REG32_01,

32 NFT_REG32_02,

33 NFT_REG32_03,

34 NFT_REG32_04,

35 NFT_REG32_05,

36 NFT_REG32_06,

37 NFT_REG32_07,

38 NFT_REG32_08,

39 NFT_REG32_09,

40 NFT_REG32_10,

41 NFT_REG32_11,

42 NFT_REG32_12,

43 NFT_REG32_13,

44 NFT_REG32_14,

45 NFT_REG32_15,

46 };

47 #define NFT_REG_MAX (__NFT_REG_MAX - 1)

49 #define NFT_REG_SIZE 16

50 #define NFT_REG32_SIZE 4

52 /**

53 * enum nft_verdicts - nf_tables internal verdicts

54 *

55 * @NFT_CONTINUE: continue evaluation of the current rule

56 * @NFT_BREAK: terminate evaluation of the current rule

57 * @NFT_JUMP: push the current chain on the jump stack and jump to a chain

58 * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack

59 * @NFT_RETURN: return to the topmost chain on the jump stack

60 *

61 * The nf_tables verdicts share their numeric space with the netfilter verdicts.

62 */

63 enum nft_verdicts {

64 NFT_CONTINUE = -1,

65 NFT_BREAK = -2,

66 NFT_JUMP = -3,

67 NFT_GOTO = -4,

68 NFT_RETURN = -5,

69 };

71 /**

72 * enum nf_tables_msg_types - nf_tables netlink message types

73 *

74 * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes)

75 * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes)

76 * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes)

77 * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes)

78 * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes)

79 * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes)

80 * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes)

81 * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes)

82 * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes)

83 * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes)

84 * @NFT_MSG_GETSET: get a set (enum nft_set_attributes)

85 * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes)

86 * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes)

87 * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes)

88 * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes)

89 * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes)

90 * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes)

91 * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes)

92 * @NFT_MSG_NEWOBJ: create a stateful object (enum nft_obj_attributes)

93 * @NFT_MSG_GETOBJ: get a stateful object (enum nft_obj_attributes)

94 * @NFT_MSG_DELOBJ: delete a stateful object (enum nft_obj_attributes)

95 * @NFT_MSG_GETOBJ_RESET: get and reset a stateful object (enum nft_obj_attributes)

96 * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes)

97 * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes)

98 * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes)

99 */

100 enum nf_tables_msg_types {

101 NFT_MSG_NEWTABLE,

102 NFT_MSG_GETTABLE,

103 NFT_MSG_DELTABLE,

104 NFT_MSG_NEWCHAIN,

105 NFT_MSG_GETCHAIN,

106 NFT_MSG_DELCHAIN,

107 NFT_MSG_NEWRULE,

108 NFT_MSG_GETRULE,

109 NFT_MSG_DELRULE,

110 NFT_MSG_NEWSET,

111 NFT_MSG_GETSET,

112 NFT_MSG_DELSET,

113 NFT_MSG_NEWSETELEM,

114 NFT_MSG_GETSETELEM,

115 NFT_MSG_DELSETELEM,

116 NFT_MSG_NEWGEN,

117 NFT_MSG_GETGEN,

118 NFT_MSG_TRACE,

119 NFT_MSG_NEWOBJ,

120 NFT_MSG_GETOBJ,

121 NFT_MSG_DELOBJ,

122 NFT_MSG_GETOBJ_RESET,

123 NFT_MSG_NEWFLOWTABLE,

124 NFT_MSG_GETFLOWTABLE,

125 NFT_MSG_DELFLOWTABLE,

126 NFT_MSG_MAX,

127 };

128

129 /**

130 * enum nft_list_attributes - nf_tables generic list netlink attributes

131 *

132 * @NFTA_LIST_ELEM: list element (NLA_NESTED)

133 */

134 enum nft_list_attributes {

135 NFTA_LIST_UNPEC,

136 NFTA_LIST_ELEM,

137 __NFTA_LIST_MAX

138 };

139 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1)

140

141 /**

142 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes

143 *

144 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32)

145 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32)

146 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING)

147 */

148 enum nft_hook_attributes {

149 NFTA_HOOK_UNSPEC,

150 NFTA_HOOK_HOOKNUM,

151 NFTA_HOOK_PRIORITY,

152 NFTA_HOOK_DEV,

153 __NFTA_HOOK_MAX

154 };

155 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1)

156

157 /**

158 * enum nft_table_flags - nf_tables table flags

159 *

160 * @NFT_TABLE_F_DORMANT: this table is not active

161 */

162 enum nft_table_flags {

163 NFT_TABLE_F_DORMANT = 0x1,

164 };

165

166 /**

167 * enum nft_table_attributes - nf_tables table netlink attributes

168 *

169 * @NFTA_TABLE_NAME: name of the table (NLA_STRING)

170 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)

171 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)

172 */

173 enum nft_table_attributes {

174 NFTA_TABLE_UNSPEC,

175 NFTA_TABLE_NAME,

176 NFTA_TABLE_FLAGS,

177 NFTA_TABLE_USE,

178 NFTA_TABLE_HANDLE,

179 NFTA_TABLE_PAD,

180 __NFTA_TABLE_MAX

181 };

182 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)

183

184 /**

185 * enum nft_chain_attributes - nf_tables chain netlink attributes

186 *

187 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING)

188 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64)

189 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING)

190 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes)

191 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32)

192 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32)

193 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING)

194 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes)

195 */

196 enum nft_chain_attributes {

197 NFTA_CHAIN_UNSPEC,

198 NFTA_CHAIN_TABLE,

199 NFTA_CHAIN_HANDLE,

200 NFTA_CHAIN_NAME,

201 NFTA_CHAIN_HOOK,

202 NFTA_CHAIN_POLICY,

203 NFTA_CHAIN_USE,

204 NFTA_CHAIN_TYPE,

205 NFTA_CHAIN_COUNTERS,

206 NFTA_CHAIN_PAD,

207 __NFTA_CHAIN_MAX

208 };

209 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1)

210

211 /**

212 * enum nft_rule_attributes - nf_tables rule netlink attributes

213 *

214 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)

215 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)

216 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)

217 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)

218 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)

219 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)

220 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)

221 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)

222 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32)

223 */

224 enum nft_rule_attributes {

225 NFTA_RULE_UNSPEC,

226 NFTA_RULE_TABLE,

227 NFTA_RULE_CHAIN,

228 NFTA_RULE_HANDLE,

229 NFTA_RULE_EXPRESSIONS,

230 NFTA_RULE_COMPAT,

231 NFTA_RULE_POSITION,

232 NFTA_RULE_USERDATA,

233 NFTA_RULE_PAD,

234 NFTA_RULE_ID,

235 NFTA_RULE_POSITION_ID,

236 __NFTA_RULE_MAX

237 };

238 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1)

239

240 /**

241 * enum nft_rule_compat_flags - nf_tables rule compat flags

242 *

243 * @NFT_RULE_COMPAT_F_INV: invert the check result

244 */

245 enum nft_rule_compat_flags {

246 NFT_RULE_COMPAT_F_INV = (1 << 1),

247 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV,

248 };

249

250 /**

251 * enum nft_rule_compat_attributes - nf_tables rule compat attributes

252 *

253 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)

254 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)

255 */

256 enum nft_rule_compat_attributes {

257 NFTA_RULE_COMPAT_UNSPEC,

258 NFTA_RULE_COMPAT_PROTO,

259 NFTA_RULE_COMPAT_FLAGS,

260 __NFTA_RULE_COMPAT_MAX

261 };

262 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1)

263

264 /**

265 * enum nft_set_flags - nf_tables set flags

266 *

267 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink

268 * @NFT_SET_CONSTANT: set contents may not change while bound

269 * @NFT_SET_INTERVAL: set contains intervals

270 * @NFT_SET_MAP: set is used as a dictionary

271 * @NFT_SET_TIMEOUT: set uses timeouts

272 * @NFT_SET_EVAL: set can be updated from the evaluation path

273 * @NFT_SET_OBJECT: set contains stateful objects

274 */

275 enum nft_set_flags {

276 NFT_SET_ANONYMOUS = 0x1,

277 NFT_SET_CONSTANT = 0x2,

278 NFT_SET_INTERVAL = 0x4,

279 NFT_SET_MAP = 0x8,

280 NFT_SET_TIMEOUT = 0x10,

281 NFT_SET_EVAL = 0x20,

282 NFT_SET_OBJECT = 0x40,

283 };

284

285 /**

286 * enum nft_set_policies - set selection policy

287 *

288 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use

289 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance

290 */

291 enum nft_set_policies {

292 NFT_SET_POL_PERFORMANCE,

293 NFT_SET_POL_MEMORY,

294 };

295

296 /**

297 * enum nft_set_desc_attributes - set element description

298 *

299 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)

300 */

301 enum nft_set_desc_attributes {

302 NFTA_SET_DESC_UNSPEC,

303 NFTA_SET_DESC_SIZE,

304 __NFTA_SET_DESC_MAX

305 };

306 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1)

307

308 /**

309 * enum nft_set_attributes - nf_tables set netlink attributes

310 *

311 * @NFTA_SET_TABLE: table name (NLA_STRING)

312 * @NFTA_SET_NAME: set name (NLA_STRING)

313 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)

314 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)

315 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)

316 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)

317 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)

318 * @NFTA_SET_POLICY: selection policy (NLA_U32)

319 * @NFTA_SET_DESC: set description (NLA_NESTED)

320 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)

321 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)

322 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)

323 * @NFTA_SET_USERDATA: user data (NLA_BINARY)

324 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)

325 * @NFTA_SET_HANDLE: set handle (NLA_U64)

326 */

327 enum nft_set_attributes {

328 NFTA_SET_UNSPEC,

329 NFTA_SET_TABLE,

330 NFTA_SET_NAME,

331 NFTA_SET_FLAGS,

332 NFTA_SET_KEY_TYPE,

333 NFTA_SET_KEY_LEN,

334 NFTA_SET_DATA_TYPE,

335 NFTA_SET_DATA_LEN,

336 NFTA_SET_POLICY,

337 NFTA_SET_DESC,

338 NFTA_SET_ID,

339 NFTA_SET_TIMEOUT,

340 NFTA_SET_GC_INTERVAL,

341 NFTA_SET_USERDATA,

342 NFTA_SET_PAD,

343 NFTA_SET_OBJ_TYPE,

344 NFTA_SET_HANDLE,

345 __NFTA_SET_MAX

346 };

347 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1)

348

349 /**

350 * enum nft_set_elem_flags - nf_tables set element flags

351 *

352 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval

353 */

354 enum nft_set_elem_flags {

355 NFT_SET_ELEM_INTERVAL_END = 0x1,

356 };

357

358 /**

359 * enum nft_set_elem_attributes - nf_tables set element netlink attributes

360 *

361 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)

362 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)

363 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)

364 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)

365 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)

366 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)

367 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)

368 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)

369 */

370 enum nft_set_elem_attributes {

371 NFTA_SET_ELEM_UNSPEC,

372 NFTA_SET_ELEM_KEY,

373 NFTA_SET_ELEM_DATA,

374 NFTA_SET_ELEM_FLAGS,

375 NFTA_SET_ELEM_TIMEOUT,

376 NFTA_SET_ELEM_EXPIRATION,

377 NFTA_SET_ELEM_USERDATA,

378 NFTA_SET_ELEM_EXPR,

379 NFTA_SET_ELEM_PAD,

380 NFTA_SET_ELEM_OBJREF,

381 __NFTA_SET_ELEM_MAX

382 };

383 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1)

384

385 /**

386 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes

387 *

388 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)

389 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)

390 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)

391 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)

392 */

393 enum nft_set_elem_list_attributes {

394 NFTA_SET_ELEM_LIST_UNSPEC,

395 NFTA_SET_ELEM_LIST_TABLE,

396 NFTA_SET_ELEM_LIST_SET,

397 NFTA_SET_ELEM_LIST_ELEMENTS,

398 NFTA_SET_ELEM_LIST_SET_ID,

399 __NFTA_SET_ELEM_LIST_MAX

400 };

401 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1)

402

403 /**

404 * enum nft_data_types - nf_tables data types

405 *

406 * @NFT_DATA_VALUE: generic data

407 * @NFT_DATA_VERDICT: netfilter verdict

408 *

409 * The type of data is usually determined by the kernel directly and is not

410 * explicitly specified by userspace. The only difference are sets, where

411 * userspace specifies the key and mapping data types.

412 *

413 * The values 0xffffff00-0xffffffff are reserved for internally used types.

414 * The remaining range can be freely used by userspace to encode types, all

415 * values are equivalent to NFT_DATA_VALUE.

416 */

417 enum nft_data_types {

418 NFT_DATA_VALUE,

419 NFT_DATA_VERDICT = 0xffffff00U,

420 };

421

422 #define NFT_DATA_RESERVED_MASK 0xffffff00U

423

424 /**

425 * enum nft_data_attributes - nf_tables data netlink attributes

426 *

427 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)

428 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)

429 */

430 enum nft_data_attributes {

431 NFTA_DATA_UNSPEC,

432 NFTA_DATA_VALUE,

433 NFTA_DATA_VERDICT,

434 __NFTA_DATA_MAX

435 };

436 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1)

437

438 /* Maximum length of a value */

439 #define NFT_DATA_VALUE_MAXLEN 64

440

441 /**

442 * enum nft_verdict_attributes - nf_tables verdict netlink attributes

443 *

444 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)

445 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)

446 */

447 enum nft_verdict_attributes {

448 NFTA_VERDICT_UNSPEC,

449 NFTA_VERDICT_CODE,

450 NFTA_VERDICT_CHAIN,

451 __NFTA_VERDICT_MAX

452 };

453 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1)

454

455 /**

456 * enum nft_expr_attributes - nf_tables expression netlink attributes

457 *

458 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)

459 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)

460 */

461 enum nft_expr_attributes {

462 NFTA_EXPR_UNSPEC,

463 NFTA_EXPR_NAME,

464 NFTA_EXPR_DATA,

465 __NFTA_EXPR_MAX

466 };

467 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1)

468

469 /**

470 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes

471 *

472 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)

473 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)

474 */

475 enum nft_immediate_attributes {

476 NFTA_IMMEDIATE_UNSPEC,

477 NFTA_IMMEDIATE_DREG,

478 NFTA_IMMEDIATE_DATA,

479 __NFTA_IMMEDIATE_MAX

480 };

481 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1)

482

483 /**

484 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes

485 *

486 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)

487 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)

488 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)

489 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)

490 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)

491 *

492 * The bitwise expression performs the following operation:

493 *

494 * dreg = (sreg & mask) ^ xor

495 *

496 * which allow to express all bitwise operations:

497 *

498 * mask xor

499 * NOT: 1 1

500 * OR: 0 x

501 * XOR: 1 x

502 * AND: x 0

503 */

504 enum nft_bitwise_attributes {

505 NFTA_BITWISE_UNSPEC,

506 NFTA_BITWISE_SREG,

507 NFTA_BITWISE_DREG,

508 NFTA_BITWISE_LEN,

509 NFTA_BITWISE_MASK,

510 NFTA_BITWISE_XOR,

511 __NFTA_BITWISE_MAX

512 };

513 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1)

514

515 /**

516 * enum nft_byteorder_ops - nf_tables byteorder operators

517 *

518 * @NFT_BYTEORDER_NTOH: network to host operator

519 * @NFT_BYTEORDER_HTON: host to network operator

520 */

521 enum nft_byteorder_ops {

522 NFT_BYTEORDER_NTOH,

523 NFT_BYTEORDER_HTON,

524 };

525

526 /**

527 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes

528 *

529 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)

530 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)

531 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)

532 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)

533 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)

534 */

535 enum nft_byteorder_attributes {

536 NFTA_BYTEORDER_UNSPEC,

537 NFTA_BYTEORDER_SREG,

538 NFTA_BYTEORDER_DREG,

539 NFTA_BYTEORDER_OP,

540 NFTA_BYTEORDER_LEN,

541 NFTA_BYTEORDER_SIZE,

542 __NFTA_BYTEORDER_MAX

543 };

544 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1)

545

546 /**

547 * enum nft_cmp_ops - nf_tables relational operator

548 *

549 * @NFT_CMP_EQ: equal

550 * @NFT_CMP_NEQ: not equal

551 * @NFT_CMP_LT: less than

552 * @NFT_CMP_LTE: less than or equal to

553 * @NFT_CMP_GT: greater than

554 * @NFT_CMP_GTE: greater than or equal to

555 */

556 enum nft_cmp_ops {

557 NFT_CMP_EQ,

558 NFT_CMP_NEQ,

559 NFT_CMP_LT,

560 NFT_CMP_LTE,

561 NFT_CMP_GT,

562 NFT_CMP_GTE,

563 };

564

565 /**

566 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes

567 *

568 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)

569 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)

570 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)

571 */

572 enum nft_cmp_attributes {

573 NFTA_CMP_UNSPEC,

574 NFTA_CMP_SREG,

575 NFTA_CMP_OP,

576 NFTA_CMP_DATA,

577 __NFTA_CMP_MAX

578 };

579 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1)

580

581 /**

582 * enum nft_range_ops - nf_tables range operator

583 *

584 * @NFT_RANGE_EQ: equal

585 * @NFT_RANGE_NEQ: not equal

586 */

587 enum nft_range_ops {

588 NFT_RANGE_EQ,

589 NFT_RANGE_NEQ,

590 };

591

592 /**

593 * enum nft_range_attributes - nf_tables range expression netlink attributes

594 *

595 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)

596 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops)

597 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)

598 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)

599 */

600 enum nft_range_attributes {

601 NFTA_RANGE_UNSPEC,

602 NFTA_RANGE_SREG,

603 NFTA_RANGE_OP,

604 NFTA_RANGE_FROM_DATA,

605 NFTA_RANGE_TO_DATA,

606 __NFTA_RANGE_MAX

607 };

608 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1)

609

610 enum nft_lookup_flags {

611 NFT_LOOKUP_F_INV = (1 << 0),

612 };

613

614 /**

615 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes

616 *

617 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)

618 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)

619 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)

620 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)

621 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)

622 */

623 enum nft_lookup_attributes {

624 NFTA_LOOKUP_UNSPEC,

625 NFTA_LOOKUP_SET,

626 NFTA_LOOKUP_SREG,

627 NFTA_LOOKUP_DREG,

628 NFTA_LOOKUP_SET_ID,

629 NFTA_LOOKUP_FLAGS,

630 __NFTA_LOOKUP_MAX

631 };

632 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1)

633

634 enum nft_dynset_ops {

635 NFT_DYNSET_OP_ADD,

636 NFT_DYNSET_OP_UPDATE,

637 };

638

639 enum nft_dynset_flags {

640 NFT_DYNSET_F_INV = (1 << 0),

641 };

642

643 /**

644 * enum nft_dynset_attributes - dynset expression attributes

645 *

646 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)

647 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)

648 * @NFTA_DYNSET_OP: operation (NLA_U32)

649 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)

650 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)

651 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)

652 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)

653 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)

654 */

655 enum nft_dynset_attributes {

656 NFTA_DYNSET_UNSPEC,

657 NFTA_DYNSET_SET_NAME,

658 NFTA_DYNSET_SET_ID,

659 NFTA_DYNSET_OP,

660 NFTA_DYNSET_SREG_KEY,

661 NFTA_DYNSET_SREG_DATA,

662 NFTA_DYNSET_TIMEOUT,

663 NFTA_DYNSET_EXPR,

664 NFTA_DYNSET_PAD,

665 NFTA_DYNSET_FLAGS,

666 __NFTA_DYNSET_MAX,

667 };

668 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1)

669

670 /**

671 * enum nft_payload_bases - nf_tables payload expression offset bases

672 *

673 * @NFT_PAYLOAD_LL_HEADER: link layer header

674 * @NFT_PAYLOAD_NETWORK_HEADER: network header

675 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header

676 */

677 enum nft_payload_bases {

678 NFT_PAYLOAD_LL_HEADER,

679 NFT_PAYLOAD_NETWORK_HEADER,

680 NFT_PAYLOAD_TRANSPORT_HEADER,

681 };

682

683 /**

684 * enum nft_payload_csum_types - nf_tables payload expression checksum types

685 *

686 * @NFT_PAYLOAD_CSUM_NONE: no checksumming

687 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)

688 */

689 enum nft_payload_csum_types {

690 NFT_PAYLOAD_CSUM_NONE,

691 NFT_PAYLOAD_CSUM_INET,

692 };

693

694 enum nft_payload_csum_flags {

695 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),

696 };

697

698 /**

699 * enum nft_payload_attributes - nf_tables payload expression netlink attributes

700 *

701 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)

702 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)

703 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)

704 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)

705 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)

706 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)

707 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)

708 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)

709 */

710 enum nft_payload_attributes {

711 NFTA_PAYLOAD_UNSPEC,

712 NFTA_PAYLOAD_DREG,

713 NFTA_PAYLOAD_BASE,

714 NFTA_PAYLOAD_OFFSET,

715 NFTA_PAYLOAD_LEN,

716 NFTA_PAYLOAD_SREG,

717 NFTA_PAYLOAD_CSUM_TYPE,

718 NFTA_PAYLOAD_CSUM_OFFSET,

719 NFTA_PAYLOAD_CSUM_FLAGS,

720 __NFTA_PAYLOAD_MAX

721 };

722 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1)

723

724 enum nft_exthdr_flags {

725 NFT_EXTHDR_F_PRESENT = (1 << 0),

726 };

727

728 /**

729 * enum nft_exthdr_op - nf_tables match options

730 *

731 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers

732 * @NFT_EXTHDR_OP_TCP: match against tcp options

733 */

734 enum nft_exthdr_op {

735 NFT_EXTHDR_OP_IPV6,

736 NFT_EXTHDR_OP_TCPOPT,

737 __NFT_EXTHDR_OP_MAX

738 };

739 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1)

740

741 /**

742 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes

743 *

744 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)

745 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)

746 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)

747 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)

748 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)

749 * @NFTA_EXTHDR_OP: option match type (NLA_U32)

750 * @NFTA_EXTHDR_SREG: option match type (NLA_U32)

751 */

752 enum nft_exthdr_attributes {

753 NFTA_EXTHDR_UNSPEC,

754 NFTA_EXTHDR_DREG,

755 NFTA_EXTHDR_TYPE,

756 NFTA_EXTHDR_OFFSET,

757 NFTA_EXTHDR_LEN,

758 NFTA_EXTHDR_FLAGS,

759 NFTA_EXTHDR_OP,

760 NFTA_EXTHDR_SREG,

761 __NFTA_EXTHDR_MAX

762 };

763 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1)

764

765 /**

766 * enum nft_meta_keys - nf_tables meta expression keys

767 *

768 * @NFT_META_LEN: packet length (skb->len)

769 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT

770 * @NFT_META_PRIORITY: packet priority (skb->priority)

771 * @NFT_META_MARK: packet mark (skb->mark)

772 * @NFT_META_IIF: packet input interface index (dev->ifindex)

773 * @NFT_META_OIF: packet output interface index (dev->ifindex)

774 * @NFT_META_IIFNAME: packet input interface name (dev->name)

775 * @NFT_META_OIFNAME: packet output interface name (dev->name)

776 * @NFT_META_IIFTYPE: packet input interface type (dev->type)

777 * @NFT_META_OIFTYPE: packet output interface type (dev->type)

778 * @NFT_META_SKUID: originating socket UID (fsuid)

779 * @NFT_META_SKGID: originating socket GID (fsgid)

780 * @NFT_META_NFTRACE: packet nftrace bit

781 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)

782 * @NFT_META_SECMARK: packet secmark (skb->secmark)

783 * @NFT_META_NFPROTO: netfilter protocol

784 * @NFT_META_L4PROTO: layer 4 protocol number

785 * @NFT_META_BRI_IIFNAME: packet input bridge interface name

786 * @NFT_META_BRI_OIFNAME: packet output bridge interface name

787 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback

788 * @NFT_META_CPU: cpu id through smp_processor_id()

789 * @NFT_META_IIFGROUP: packet input interface group

790 * @NFT_META_OIFGROUP: packet output interface group

791 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)

792 * @NFT_META_PRANDOM: a 32bit pseudo-random number

793 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)

794 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)

795 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)

796 */

797 enum nft_meta_keys {

798 NFT_META_LEN,

799 NFT_META_PROTOCOL,

800 NFT_META_PRIORITY,

801 NFT_META_MARK,

802 NFT_META_IIF,

803 NFT_META_OIF,

804 NFT_META_IIFNAME,

805 NFT_META_OIFNAME,

806 NFT_META_IIFTYPE,

807 NFT_META_OIFTYPE,

808 NFT_META_SKUID,

809 NFT_META_SKGID,

810 NFT_META_NFTRACE,

811 NFT_META_RTCLASSID,

812 NFT_META_SECMARK,

813 NFT_META_NFPROTO,

814 NFT_META_L4PROTO,

815 NFT_META_BRI_IIFNAME,

816 NFT_META_BRI_OIFNAME,

817 NFT_META_PKTTYPE,

818 NFT_META_CPU,

819 NFT_META_IIFGROUP,

820 NFT_META_OIFGROUP,

821 NFT_META_CGROUP,

822 NFT_META_PRANDOM,

823 NFT_META_SECPATH,

824 NFT_META_IIFKIND,

825 NFT_META_OIFKIND,

826 };

827

828 /**

829 * enum nft_rt_keys - nf_tables routing expression keys

830 *

831 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)

832 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4

833 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6

834 * @NFT_RT_TCPMSS: fetch current path tcp mss

835 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL

836 */

837 enum nft_rt_keys {

838 NFT_RT_CLASSID,

839 NFT_RT_NEXTHOP4,

840 NFT_RT_NEXTHOP6,

841 NFT_RT_TCPMSS,

842 NFT_RT_XFRM,

843 __NFT_RT_MAX

844 };

845 #define NFT_RT_MAX (__NFT_RT_MAX - 1)

846

847 /**

848 * enum nft_hash_types - nf_tables hash expression types

849 *

850 * @NFT_HASH_JENKINS: Jenkins Hash

851 * @NFT_HASH_SYM: Symmetric Hash

852 */

853 enum nft_hash_types {

854 NFT_HASH_JENKINS,

855 NFT_HASH_SYM,

856 };

857

858 /**

859 * enum nft_hash_attributes - nf_tables hash expression netlink attributes

860 *

861 * @NFTA_HASH_SREG: source register (NLA_U32)

862 * @NFTA_HASH_DREG: destination register (NLA_U32)

863 * @NFTA_HASH_LEN: source data length (NLA_U32)

864 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)

865 * @NFTA_HASH_SEED: seed value (NLA_U32)

866 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)

867 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)

868 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)

869 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)

870 */

871 enum nft_hash_attributes {

872 NFTA_HASH_UNSPEC,

873 NFTA_HASH_SREG,

874 NFTA_HASH_DREG,

875 NFTA_HASH_LEN,

876 NFTA_HASH_MODULUS,

877 NFTA_HASH_SEED,

878 NFTA_HASH_OFFSET,

879 NFTA_HASH_TYPE,

880 NFTA_HASH_SET_NAME, /* deprecated */

881 NFTA_HASH_SET_ID, /* deprecated */

882 __NFTA_HASH_MAX,

883 };

884 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1)

885

886 /**

887 * enum nft_meta_attributes - nf_tables meta expression netlink attributes

888 *

889 * @NFTA_META_DREG: destination register (NLA_U32)

890 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)

891 * @NFTA_META_SREG: source register (NLA_U32)

892 */

893 enum nft_meta_attributes {

894 NFTA_META_UNSPEC,

895 NFTA_META_DREG,

896 NFTA_META_KEY,

897 NFTA_META_SREG,

898 __NFTA_META_MAX

899 };

900 #define NFTA_META_MAX (__NFTA_META_MAX - 1)

901

902 /**

903 * enum nft_rt_attributes - nf_tables routing expression netlink attributes

904 *

905 * @NFTA_RT_DREG: destination register (NLA_U32)

906 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)

907 */

908 enum nft_rt_attributes {

909 NFTA_RT_UNSPEC,

910 NFTA_RT_DREG,

911 NFTA_RT_KEY,

912 __NFTA_RT_MAX

913 };

914 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1)

915

916 /**

917 * enum nft_socket_attributes - nf_tables socket expression netlink attributes

918 *

919 * @NFTA_SOCKET_KEY: socket key to match

920 * @NFTA_SOCKET_DREG: destination register

921 */

922 enum nft_socket_attributes {

923 NFTA_SOCKET_UNSPEC,

924 NFTA_SOCKET_KEY,

925 NFTA_SOCKET_DREG,

926 __NFTA_SOCKET_MAX

927 };

928 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1)

929

930 /*

931 * enum nft_socket_keys - nf_tables socket expression keys

932 *

933 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option

934 * @NFT_SOCKET_MARK: Value of the socket mark

935 */

936 enum nft_socket_keys {

937 NFT_SOCKET_TRANSPARENT,

938 NFT_SOCKET_MARK,

939 __NFT_SOCKET_MAX

940 };

941 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1)

942

943 /**

944 * enum nft_ct_keys - nf_tables ct expression keys

945 *

946 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)

947 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)

948 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)

949 * @NFT_CT_MARK: conntrack mark value

950 * @NFT_CT_SECMARK: conntrack secmark value

951 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms

952 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack

953 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol

954 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)

955 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)

956 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol

957 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source

958 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination

959 * @NFT_CT_LABELS: conntrack labels

960 * @NFT_CT_PKTS: conntrack packets

961 * @NFT_CT_BYTES: conntrack bytes

962 * @NFT_CT_AVGPKT: conntrack average bytes per packet

963 * @NFT_CT_ZONE: conntrack zone

964 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack

965 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)

966 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)

967 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)

968 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)

969 * @NFT_CT_TIMEOUT: connection tracking timeout policy assigned to conntrack

970 * @NFT_CT_ID: conntrack id

971 */

972 enum nft_ct_keys {

973 NFT_CT_STATE,

974 NFT_CT_DIRECTION,

975 NFT_CT_STATUS,

976 NFT_CT_MARK,

977 NFT_CT_SECMARK,

978 NFT_CT_EXPIRATION,

979 NFT_CT_HELPER,

980 NFT_CT_L3PROTOCOL,

981 NFT_CT_SRC,

982 NFT_CT_DST,

983 NFT_CT_PROTOCOL,

984 NFT_CT_PROTO_SRC,

985 NFT_CT_PROTO_DST,

986 NFT_CT_LABELS,

987 NFT_CT_PKTS,

988 NFT_CT_BYTES,

989 NFT_CT_AVGPKT,

990 NFT_CT_ZONE,

991 NFT_CT_EVENTMASK,

992 NFT_CT_SRC_IP,

993 NFT_CT_DST_IP,

994 NFT_CT_SRC_IP6,

995 NFT_CT_DST_IP6,

996 NFT_CT_TIMEOUT,

997 NFT_CT_ID,

998 __NFT_CT_MAX

999 };

1000 #define NFT_CT_MAX (__NFT_CT_MAX - 1)

1001

1002 /**

1003 * enum nft_ct_attributes - nf_tables ct expression netlink attributes

1004 *

1005 * @NFTA_CT_DREG: destination register (NLA_U32)

1006 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)

1007 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)

1008 * @NFTA_CT_SREG: source register (NLA_U32)

1009 */

1010 enum nft_ct_attributes {

1011 NFTA_CT_UNSPEC,

1012 NFTA_CT_DREG,

1013 NFTA_CT_KEY,

1014 NFTA_CT_DIRECTION,

1015 NFTA_CT_SREG,

1016 __NFTA_CT_MAX

1017 };

1018 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1)

1019

1020 /**

1021 * enum nft_flow_attributes - ct offload expression attributes

1022 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)

1023 */

1024 enum nft_offload_attributes {

1025 NFTA_FLOW_UNSPEC,

1026 NFTA_FLOW_TABLE_NAME,

1027 __NFTA_FLOW_MAX,

1028 };

1029 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1)

1030

1031 enum nft_limit_type {

1032 NFT_LIMIT_PKTS,

1033 NFT_LIMIT_PKT_BYTES

1034 };

1035

1036 enum nft_limit_flags {

1037 NFT_LIMIT_F_INV = (1 << 0),

1038 };

1039

1040 /**

1041 * enum nft_limit_attributes - nf_tables limit expression netlink attributes

1042 *

1043 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)

1044 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)

1045 * @NFTA_LIMIT_BURST: burst (NLA_U32)

1046 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)

1047 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)

1048 */

1049 enum nft_limit_attributes {

1050 NFTA_LIMIT_UNSPEC,

1051 NFTA_LIMIT_RATE,

1052 NFTA_LIMIT_UNIT,

1053 NFTA_LIMIT_BURST,

1054 NFTA_LIMIT_TYPE,

1055 NFTA_LIMIT_FLAGS,

1056 NFTA_LIMIT_PAD,

1057 __NFTA_LIMIT_MAX

1058 };

1059 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)

1060

1061 enum nft_connlimit_flags {

1062 NFT_CONNLIMIT_F_INV = (1 << 0),

1063 };

1064

1065 /**

1066 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes

1067 *

1068 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)

1069 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)

1070 */

1071 enum nft_connlimit_attributes {

1072 NFTA_CONNLIMIT_UNSPEC,

1073 NFTA_CONNLIMIT_COUNT,

1074 NFTA_CONNLIMIT_FLAGS,

1075 __NFTA_CONNLIMIT_MAX

1076 };

1077 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1)

1078

1079 /**

1080 * enum nft_counter_attributes - nf_tables counter expression netlink attributes

1081 *

1082 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)

1083 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)

1084 */

1085 enum nft_counter_attributes {

1086 NFTA_COUNTER_UNSPEC,

1087 NFTA_COUNTER_BYTES,

1088 NFTA_COUNTER_PACKETS,

1089 NFTA_COUNTER_PAD,

1090 __NFTA_COUNTER_MAX

1091 };

1092 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1)

1093

1094 /**

1095 * enum nft_log_attributes - nf_tables log expression netlink attributes

1096 *

1097 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32)

1098 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)

1099 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)

1100 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32)

1101 * @NFTA_LOG_LEVEL: log level (NLA_U32)

1102 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)

1103 */

1104 enum nft_log_attributes {

1105 NFTA_LOG_UNSPEC,

1106 NFTA_LOG_GROUP,

1107 NFTA_LOG_PREFIX,

1108 NFTA_LOG_SNAPLEN,

1109 NFTA_LOG_QTHRESHOLD,

1110 NFTA_LOG_LEVEL,

1111 NFTA_LOG_FLAGS,

1112 __NFTA_LOG_MAX

1113 };

1114 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1)

1115

1116 /**

1117 * enum nft_log_level - nf_tables log levels

1118 *

1119 * @NFT_LOGLEVEL_EMERG: system is unusable

1120 * @NFT_LOGLEVEL_ALERT: action must be taken immediately

1121 * @NFT_LOGLEVEL_CRIT: critical conditions

1122 * @NFT_LOGLEVEL_ERR: error conditions

1123 * @NFT_LOGLEVEL_WARNING: warning conditions

1124 * @NFT_LOGLEVEL_NOTICE: normal but significant condition

1125 * @NFT_LOGLEVEL_INFO: informational

1126 * @NFT_LOGLEVEL_DEBUG: debug-level messages

1127 * @NFT_LOGLEVEL_AUDIT: enabling audit logging

1128 */

1129 enum nft_log_level {

1130 NFT_LOGLEVEL_EMERG,

1131 NFT_LOGLEVEL_ALERT,

1132 NFT_LOGLEVEL_CRIT,

1133 NFT_LOGLEVEL_ERR,

1134 NFT_LOGLEVEL_WARNING,

1135 NFT_LOGLEVEL_NOTICE,

1136 NFT_LOGLEVEL_INFO,

1137 NFT_LOGLEVEL_DEBUG,

1138 NFT_LOGLEVEL_AUDIT,

1139 __NFT_LOGLEVEL_MAX

1140 };

1141 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX + 1)

1142

1143 /**

1144 * enum nft_queue_attributes - nf_tables queue expression netlink attributes

1145 *

1146 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)

1147 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)

1148 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)

1149 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)

1150 */

1151 enum nft_queue_attributes {

1152 NFTA_QUEUE_UNSPEC,

1153 NFTA_QUEUE_NUM,

1154 NFTA_QUEUE_TOTAL,

1155 NFTA_QUEUE_FLAGS,

1156 NFTA_QUEUE_SREG_QNUM,

1157 __NFTA_QUEUE_MAX

1158 };

1159 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1)

1160

1161 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */

1162 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */

1163 #define NFT_QUEUE_FLAG_MASK 0x03

1164

1165 enum nft_quota_flags {

1166 NFT_QUOTA_F_INV = (1 << 0),

1167 NFT_QUOTA_F_DEPLETED = (1 << 1),

1168 };

1169

1170 /**

1171 * enum nft_quota_attributes - nf_tables quota expression netlink attributes

1172 *

1173 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)

1174 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)

1175 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)

1176 */

1177 enum nft_quota_attributes {

1178 NFTA_QUOTA_UNSPEC,

1179 NFTA_QUOTA_BYTES,

1180 NFTA_QUOTA_FLAGS,

1181 NFTA_QUOTA_PAD,

1182 NFTA_QUOTA_CONSUMED,

1183 __NFTA_QUOTA_MAX

1184 };

1185 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1)

1186

1187 /**

1188 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes

1189 *

1190 * @NFTA_SECMARK_CTX: security context (NLA_STRING)

1191 */

1192 enum nft_secmark_attributes {

1193 NFTA_SECMARK_UNSPEC,

1194 NFTA_SECMARK_CTX,

1195 __NFTA_SECMARK_MAX,

1196 };

1197 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1)

1198

1199 /* Max security context length */

1200 #define NFT_SECMARK_CTX_MAXLEN 256

1201

1202 /**

1203 * enum nft_reject_types - nf_tables reject expression reject types

1204 *

1205 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable

1206 * @NFT_REJECT_TCP_RST: reject using TCP RST

1207 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet

1208 */

1209 enum nft_reject_types {

1210 NFT_REJECT_ICMP_UNREACH,

1211 NFT_REJECT_TCP_RST,

1212 NFT_REJECT_ICMPX_UNREACH,

1213 };

1214

1215 /**

1216 * enum nft_reject_code - Generic reject codes for IPv4/IPv6

1217 *

1218 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable

1219 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable

1220 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable

1221 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited

1222 *

1223 * These codes are mapped to real ICMP and ICMPv6 codes.

1224 */

1225 enum nft_reject_inet_code {

1226 NFT_REJECT_ICMPX_NO_ROUTE = 0,

1227 NFT_REJECT_ICMPX_PORT_UNREACH,

1228 NFT_REJECT_ICMPX_HOST_UNREACH,

1229 NFT_REJECT_ICMPX_ADMIN_PROHIBITED,

1230 __NFT_REJECT_ICMPX_MAX

1231 };

1232 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1)

1233

1234 /**

1235 * enum nft_reject_attributes - nf_tables reject expression netlink attributes

1236 *

1237 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)

1238 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)

1239 */

1240 enum nft_reject_attributes {

1241 NFTA_REJECT_UNSPEC,

1242 NFTA_REJECT_TYPE,

1243 NFTA_REJECT_ICMP_CODE,

1244 __NFTA_REJECT_MAX

1245 };

1246 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1)

1247

1248 /**

1249 * enum nft_nat_types - nf_tables nat expression NAT types

1250 *

1251 * @NFT_NAT_SNAT: source NAT

1252 * @NFT_NAT_DNAT: destination NAT

1253 */

1254 enum nft_nat_types {

1255 NFT_NAT_SNAT,

1256 NFT_NAT_DNAT,

1257 };

1258

1259 /**

1260 * enum nft_nat_attributes - nf_tables nat expression netlink attributes

1261 *

1262 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)

1263 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)

1264 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)

1265 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)

1266 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)

1267 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)

1268 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)

1269 */

1270 enum nft_nat_attributes {

1271 NFTA_NAT_UNSPEC,

1272 NFTA_NAT_TYPE,

1273 NFTA_NAT_FAMILY,

1274 NFTA_NAT_REG_ADDR_MIN,

1275 NFTA_NAT_REG_ADDR_MAX,

1276 NFTA_NAT_REG_PROTO_MIN,

1277 NFTA_NAT_REG_PROTO_MAX,

1278 NFTA_NAT_FLAGS,

1279 __NFTA_NAT_MAX

1280 };

1281 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1)

1282

1283 /**

1284 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes

1285 *

1286 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)

1287 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)

1288 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)

1289 */

1290 enum nft_tproxy_attributes {

1291 NFTA_TPROXY_UNSPEC,

1292 NFTA_TPROXY_FAMILY,

1293 NFTA_TPROXY_REG_ADDR,

1294 NFTA_TPROXY_REG_PORT,

1295 __NFTA_TPROXY_MAX

1296 };

1297 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1)

1298

1299 /**

1300 * enum nft_masq_attributes - nf_tables masquerade expression attributes

1301 *

1302 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)

1303 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)

1304 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)

1305 */

1306 enum nft_masq_attributes {

1307 NFTA_MASQ_UNSPEC,

1308 NFTA_MASQ_FLAGS,

1309 NFTA_MASQ_REG_PROTO_MIN,

1310 NFTA_MASQ_REG_PROTO_MAX,

1311 __NFTA_MASQ_MAX

1312 };

1313 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1)

1314

1315 /**

1316 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes

1317 *

1318 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)

1319 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)

1320 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)

1321 */

1322 enum nft_redir_attributes {

1323 NFTA_REDIR_UNSPEC,

1324 NFTA_REDIR_REG_PROTO_MIN,

1325 NFTA_REDIR_REG_PROTO_MAX,

1326 NFTA_REDIR_FLAGS,

1327 __NFTA_REDIR_MAX

1328 };

1329 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)

1330

1331 /**

1332 * enum nft_dup_attributes - nf_tables dup expression netlink attributes

1333 *

1334 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)

1335 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)

1336 */

1337 enum nft_dup_attributes {

1338 NFTA_DUP_UNSPEC,

1339 NFTA_DUP_SREG_ADDR,

1340 NFTA_DUP_SREG_DEV,

1341 __NFTA_DUP_MAX

1342 };

1343 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)

1344

1345 /**

1346 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes

1347 *

1348 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)

1349 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)

1350 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)

1351 */

1352 enum nft_fwd_attributes {

1353 NFTA_FWD_UNSPEC,

1354 NFTA_FWD_SREG_DEV,

1355 NFTA_FWD_SREG_ADDR,

1356 NFTA_FWD_NFPROTO,

1357 __NFTA_FWD_MAX

1358 };

1359 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1)

1360

1361 /**

1362 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes

1363 *

1364 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)

1365 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)

1366 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)

1367 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)

1368 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)

1369 */

1370 enum nft_objref_attributes {

1371 NFTA_OBJREF_UNSPEC,

1372 NFTA_OBJREF_IMM_TYPE,

1373 NFTA_OBJREF_IMM_NAME,

1374 NFTA_OBJREF_SET_SREG,

1375 NFTA_OBJREF_SET_NAME,

1376 NFTA_OBJREF_SET_ID,

1377 __NFTA_OBJREF_MAX

1378 };

1379 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1)

1380

1381 /**

1382 * enum nft_gen_attributes - nf_tables ruleset generation attributes

1383 *

1384 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)

1385 */

1386 enum nft_gen_attributes {

1387 NFTA_GEN_UNSPEC,

1388 NFTA_GEN_ID,

1389 NFTA_GEN_PROC_PID,

1390 NFTA_GEN_PROC_NAME,

1391 __NFTA_GEN_MAX

1392 };

1393 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1)

1394

1395 /*

1396 * enum nft_fib_attributes - nf_tables fib expression netlink attributes

1397 *

1398 * @NFTA_FIB_DREG: destination register (NLA_U32)

1399 * @NFTA_FIB_RESULT: desired result (NLA_U32)

1400 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)

1401 *

1402 * The FIB expression performs a route lookup according

1403 * to the packet data.

1404 */

1405 enum nft_fib_attributes {

1406 NFTA_FIB_UNSPEC,

1407 NFTA_FIB_DREG,

1408 NFTA_FIB_RESULT,

1409 NFTA_FIB_FLAGS,

1410 __NFTA_FIB_MAX

1411 };

1412 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)

1413

1414 enum nft_fib_result {

1415 NFT_FIB_RESULT_UNSPEC,

1416 NFT_FIB_RESULT_OIF,

1417 NFT_FIB_RESULT_OIFNAME,

1418 NFT_FIB_RESULT_ADDRTYPE,

1419 __NFT_FIB_RESULT_MAX

1420 };

1421 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1)

1422

1423 enum nft_fib_flags {

1424 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */

1425 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */

1426 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */

1427 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */

1428 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */

1429 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */

1430 };

1431

1432 enum nft_ct_helper_attributes {

1433 NFTA_CT_HELPER_UNSPEC,

1434 NFTA_CT_HELPER_NAME,

1435 NFTA_CT_HELPER_L3PROTO,

1436 NFTA_CT_HELPER_L4PROTO,

1437 __NFTA_CT_HELPER_MAX,

1438 };

1439 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1)

1440

1441 enum nft_ct_timeout_timeout_attributes {

1442 NFTA_CT_TIMEOUT_UNSPEC,

1443 NFTA_CT_TIMEOUT_L3PROTO,

1444 NFTA_CT_TIMEOUT_L4PROTO,

1445 NFTA_CT_TIMEOUT_DATA,

1446 __NFTA_CT_TIMEOUT_MAX,

1447 };

1448 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1)

1449

1450 #define NFT_OBJECT_UNSPEC 0

1451 #define NFT_OBJECT_COUNTER 1

1452 #define NFT_OBJECT_QUOTA 2

1453 #define NFT_OBJECT_CT_HELPER 3

1454 #define NFT_OBJECT_LIMIT 4

1455 #define NFT_OBJECT_CONNLIMIT 5

1456 #define NFT_OBJECT_TUNNEL 6

1457 #define NFT_OBJECT_CT_TIMEOUT 7

1458 #define NFT_OBJECT_SECMARK 8

1459 #define __NFT_OBJECT_MAX 9

1460 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1)

1461

1462 /**

1463 * enum nft_object_attributes - nf_tables stateful object netlink attributes

1464 *

1465 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)

1466 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)

1467 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)

1468 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)

1469 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)

1470 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)

1471 */

1472 enum nft_object_attributes {

1473 NFTA_OBJ_UNSPEC,

1474 NFTA_OBJ_TABLE,

1475 NFTA_OBJ_NAME,

1476 NFTA_OBJ_TYPE,

1477 NFTA_OBJ_DATA,

1478 NFTA_OBJ_USE,

1479 NFTA_OBJ_HANDLE,

1480 NFTA_OBJ_PAD,

1481 __NFTA_OBJ_MAX

1482 };

1483 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1)

1484

1485 /**

1486 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes

1487 *

1488 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)

1489 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)

1490 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)

1491 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)

1492 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)

1493 */

1494 enum nft_flowtable_attributes {

1495 NFTA_FLOWTABLE_UNSPEC,

1496 NFTA_FLOWTABLE_TABLE,

1497 NFTA_FLOWTABLE_NAME,

1498 NFTA_FLOWTABLE_HOOK,

1499 NFTA_FLOWTABLE_USE,

1500 NFTA_FLOWTABLE_HANDLE,

1501 NFTA_FLOWTABLE_PAD,

1502 __NFTA_FLOWTABLE_MAX

1503 };

1504 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1)

1505

1506 /**

1507 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes

1508 *

1509 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)

1510 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)

1511 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)

1512 */

1513 enum nft_flowtable_hook_attributes {

1514 NFTA_FLOWTABLE_HOOK_UNSPEC,

1515 NFTA_FLOWTABLE_HOOK_NUM,

1516 NFTA_FLOWTABLE_HOOK_PRIORITY,

1517 NFTA_FLOWTABLE_HOOK_DEVS,

1518 __NFTA_FLOWTABLE_HOOK_MAX

1519 };

1520 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1)

1521

1522 /**

1523 * enum nft_osf_attributes - nftables osf expression netlink attributes

1524 *

1525 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers)

1526 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8)

1527 * @NFTA_OSF_FLAGS: flags (NLA_U32)

1528 */

1529 enum nft_osf_attributes {

1530 NFTA_OSF_UNSPEC,

1531 NFTA_OSF_DREG,

1532 NFTA_OSF_TTL,

1533 NFTA_OSF_FLAGS,

1534 __NFTA_OSF_MAX,

1535 };

1536 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)

1537

1538 enum nft_osf_flags {

1539 NFT_OSF_F_VERSION = (1 << 0),

1540 };

1541

1542 /**

1543 * enum nft_device_attributes - nf_tables device netlink attributes

1544 *

1545 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)

1546 */

1547 enum nft_devices_attributes {

1548 NFTA_DEVICE_UNSPEC,

1549 NFTA_DEVICE_NAME,

1550 __NFTA_DEVICE_MAX

1551 };

1552 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1)

1553

1554 /*

1555 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes

1556 *

1557 * @NFTA_XFRM_DREG: destination register (NLA_U32)

1558 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)

1559 * @NFTA_XFRM_DIR: direction (NLA_U8)

1560 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)

1561 */

1562 enum nft_xfrm_attributes {

1563 NFTA_XFRM_UNSPEC,

1564 NFTA_XFRM_DREG,

1565 NFTA_XFRM_KEY,

1566 NFTA_XFRM_DIR,

1567 NFTA_XFRM_SPNUM,

1568 __NFTA_XFRM_MAX

1569 };

1570 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)

1571

1572 enum nft_xfrm_keys {

1573 NFT_XFRM_KEY_UNSPEC,

1574 NFT_XFRM_KEY_DADDR_IP4,

1575 NFT_XFRM_KEY_DADDR_IP6,

1576 NFT_XFRM_KEY_SADDR_IP4,

1577 NFT_XFRM_KEY_SADDR_IP6,

1578 NFT_XFRM_KEY_REQID,

1579 NFT_XFRM_KEY_SPI,

1580 __NFT_XFRM_KEY_MAX,

1581 };

1582 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)

1583

1584 /**

1585 * enum nft_trace_attributes - nf_tables trace netlink attributes

1586 *

1587 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)

1588 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)

1589 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)

1590 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)

1591 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)

1592 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)

1593 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)

1594 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)

1595 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)

1596 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)

1597 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)

1598 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)

1599 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)

1600 * @NFTA_TRACE_MARK: nfmark (NLA_U32)

1601 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)

1602 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)

1603 */

1604 enum nft_trace_attributes {

1605 NFTA_TRACE_UNSPEC,

1606 NFTA_TRACE_TABLE,

1607 NFTA_TRACE_CHAIN,

1608 NFTA_TRACE_RULE_HANDLE,

1609 NFTA_TRACE_TYPE,

1610 NFTA_TRACE_VERDICT,

1611 NFTA_TRACE_ID,

1612 NFTA_TRACE_LL_HEADER,

1613 NFTA_TRACE_NETWORK_HEADER,

1614 NFTA_TRACE_TRANSPORT_HEADER,

1615 NFTA_TRACE_IIF,

1616 NFTA_TRACE_IIFTYPE,

1617 NFTA_TRACE_OIF,

1618 NFTA_TRACE_OIFTYPE,

1619 NFTA_TRACE_MARK,

1620 NFTA_TRACE_NFPROTO,

1621 NFTA_TRACE_POLICY,

1622 NFTA_TRACE_PAD,

1623 __NFTA_TRACE_MAX

1624 };

1625 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)

1626

1627 enum nft_trace_types {

1628 NFT_TRACETYPE_UNSPEC,

1629 NFT_TRACETYPE_POLICY,

1630 NFT_TRACETYPE_RETURN,

1631 NFT_TRACETYPE_RULE,

1632 __NFT_TRACETYPE_MAX

1633 };

1634 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)

1635

1636 /**

1637 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes

1638 *

1639 * @NFTA_NG_DREG: destination register (NLA_U32)

1640 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)

1641 * @NFTA_NG_TYPE: operation type (NLA_U32)

1642 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)

1643 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)

1644 * @NFTA_NG_SET_ID: id of the map (NLA_U32)

1645 */

1646 enum nft_ng_attributes {

1647 NFTA_NG_UNSPEC,

1648 NFTA_NG_DREG,

1649 NFTA_NG_MODULUS,

1650 NFTA_NG_TYPE,

1651 NFTA_NG_OFFSET,

1652 NFTA_NG_SET_NAME, /* deprecated */

1653 NFTA_NG_SET_ID, /* deprecated */

1654 __NFTA_NG_MAX

1655 };

1656 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1)

1657

1658 enum nft_ng_types {

1659 NFT_NG_INCREMENTAL,

1660 NFT_NG_RANDOM,

1661 __NFT_NG_MAX

1662 };

1663 #define NFT_NG_MAX (__NFT_NG_MAX - 1)

1664

1665 enum nft_tunnel_key_ip_attributes {

1666 NFTA_TUNNEL_KEY_IP_UNSPEC,

1667 NFTA_TUNNEL_KEY_IP_SRC,

1668 NFTA_TUNNEL_KEY_IP_DST,

1669 __NFTA_TUNNEL_KEY_IP_MAX

1670 };

1671 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1)

1672

1673 enum nft_tunnel_ip6_attributes {

1674 NFTA_TUNNEL_KEY_IP6_UNSPEC,

1675 NFTA_TUNNEL_KEY_IP6_SRC,

1676 NFTA_TUNNEL_KEY_IP6_DST,

1677 NFTA_TUNNEL_KEY_IP6_FLOWLABEL,

1678 __NFTA_TUNNEL_KEY_IP6_MAX

1679 };

1680 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1)

1681

1682 enum nft_tunnel_opts_attributes {

1683 NFTA_TUNNEL_KEY_OPTS_UNSPEC,

1684 NFTA_TUNNEL_KEY_OPTS_VXLAN,

1685 NFTA_TUNNEL_KEY_OPTS_ERSPAN,

1686 __NFTA_TUNNEL_KEY_OPTS_MAX

1687 };

1688 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1)

1689

1690 enum nft_tunnel_opts_vxlan_attributes {

1691 NFTA_TUNNEL_KEY_VXLAN_UNSPEC,

1692 NFTA_TUNNEL_KEY_VXLAN_GBP,

1693 __NFTA_TUNNEL_KEY_VXLAN_MAX

1694 };

1695 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)

1696

1697 enum nft_tunnel_opts_erspan_attributes {

1698 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,

1699 NFTA_TUNNEL_KEY_ERSPAN_VERSION,

1700 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,

1701 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,

1702 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,

1703 __NFTA_TUNNEL_KEY_ERSPAN_MAX

1704 };

1705 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)

1706

1707 enum nft_tunnel_flags {

1708 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0),

1709 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1),

1710 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2),

1711 };

1712 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \

1713 NFT_TUNNEL_F_DONT_FRAGMENT | \

1714 NFT_TUNNEL_F_SEQ_NUMBER)

1715

1716 enum nft_tunnel_key_attributes {

1717 NFTA_TUNNEL_KEY_UNSPEC,

1718 NFTA_TUNNEL_KEY_ID,

1719 NFTA_TUNNEL_KEY_IP,

1720 NFTA_TUNNEL_KEY_IP6,

1721 NFTA_TUNNEL_KEY_FLAGS,

1722 NFTA_TUNNEL_KEY_TOS,

1723 NFTA_TUNNEL_KEY_TTL,

1724 NFTA_TUNNEL_KEY_SPORT,

1725 NFTA_TUNNEL_KEY_DPORT,

1726 NFTA_TUNNEL_KEY_OPTS,

1727 __NFTA_TUNNEL_KEY_MAX

1728 };

1729 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1)

1730

1731 enum nft_tunnel_keys {

1732 NFT_TUNNEL_PATH,

1733 NFT_TUNNEL_ID,

1734 __NFT_TUNNEL_MAX

1735 };

1736 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1)

1737

1738 enum nft_tunnel_mode {

1739 NFT_TUNNEL_MODE_NONE,

1740 NFT_TUNNEL_MODE_RX,

1741 NFT_TUNNEL_MODE_TX,

1742 __NFT_TUNNEL_MODE_MAX

1743 };

1744 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1)

1745

1746 enum nft_tunnel_attributes {

1747 NFTA_TUNNEL_UNSPEC,

1748 NFTA_TUNNEL_KEY,

1749 NFTA_TUNNEL_DREG,

1750 NFTA_TUNNEL_MODE,

1751 __NFTA_TUNNEL_MAX

1752 };

1753 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1)

1754

1755 #endif /* _LINUX_NF_TABLES_H */