1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _LINUX_NF_TABLES_H 3 #define _LINUX_NF_TABLES_H 4 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 12 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, 29 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) 48 49 #define NFT_REG_SIZE 16 50 #define NFT_REG32_SIZE 4 51 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 }; 70 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 * @NFTA_CHAIN_FLAGS: chain flags 196 */ 197 enum nft_chain_attributes { 198 NFTA_CHAIN_UNSPEC, 199 NFTA_CHAIN_TABLE, 200 NFTA_CHAIN_HANDLE, 201 NFTA_CHAIN_NAME, 202 NFTA_CHAIN_HOOK, 203 NFTA_CHAIN_POLICY, 204 NFTA_CHAIN_USE, 205 NFTA_CHAIN_TYPE, 206 NFTA_CHAIN_COUNTERS, 207 NFTA_CHAIN_PAD, 208 NFTA_CHAIN_FLAGS, 209 __NFTA_CHAIN_MAX 210 }; 211 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) 212 213 /** 214 * enum nft_rule_attributes - nf_tables rule netlink attributes 215 * 216 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) 217 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) 218 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) 219 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) 220 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) 221 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) 222 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) 223 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32) 224 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32) 225 */ 226 enum nft_rule_attributes { 227 NFTA_RULE_UNSPEC, 228 NFTA_RULE_TABLE, 229 NFTA_RULE_CHAIN, 230 NFTA_RULE_HANDLE, 231 NFTA_RULE_EXPRESSIONS, 232 NFTA_RULE_COMPAT, 233 NFTA_RULE_POSITION, 234 NFTA_RULE_USERDATA, 235 NFTA_RULE_PAD, 236 NFTA_RULE_ID, 237 NFTA_RULE_POSITION_ID, 238 __NFTA_RULE_MAX 239 }; 240 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) 241 242 /** 243 * enum nft_rule_compat_flags - nf_tables rule compat flags 244 * 245 * @NFT_RULE_COMPAT_F_INV: invert the check result 246 */ 247 enum nft_rule_compat_flags { 248 NFT_RULE_COMPAT_F_INV = (1 << 1), 249 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, 250 }; 251 252 /** 253 * enum nft_rule_compat_attributes - nf_tables rule compat attributes 254 * 255 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32) 256 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) 257 */ 258 enum nft_rule_compat_attributes { 259 NFTA_RULE_COMPAT_UNSPEC, 260 NFTA_RULE_COMPAT_PROTO, 261 NFTA_RULE_COMPAT_FLAGS, 262 __NFTA_RULE_COMPAT_MAX 263 }; 264 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) 265 266 /** 267 * enum nft_set_flags - nf_tables set flags 268 * 269 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink 270 * @NFT_SET_CONSTANT: set contents may not change while bound 271 * @NFT_SET_INTERVAL: set contains intervals 272 * @NFT_SET_MAP: set is used as a dictionary 273 * @NFT_SET_TIMEOUT: set uses timeouts 274 * @NFT_SET_EVAL: set can be updated from the evaluation path 275 * @NFT_SET_OBJECT: set contains stateful objects 276 */ 277 enum nft_set_flags { 278 NFT_SET_ANONYMOUS = 0x1, 279 NFT_SET_CONSTANT = 0x2, 280 NFT_SET_INTERVAL = 0x4, 281 NFT_SET_MAP = 0x8, 282 NFT_SET_TIMEOUT = 0x10, 283 NFT_SET_EVAL = 0x20, 284 NFT_SET_OBJECT = 0x40, 285 }; 286 287 /** 288 * enum nft_set_policies - set selection policy 289 * 290 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use 291 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance 292 */ 293 enum nft_set_policies { 294 NFT_SET_POL_PERFORMANCE, 295 NFT_SET_POL_MEMORY, 296 }; 297 298 /** 299 * enum nft_set_desc_attributes - set element description 300 * 301 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) 302 */ 303 enum nft_set_desc_attributes { 304 NFTA_SET_DESC_UNSPEC, 305 NFTA_SET_DESC_SIZE, 306 __NFTA_SET_DESC_MAX 307 }; 308 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) 309 310 /** 311 * enum nft_set_attributes - nf_tables set netlink attributes 312 * 313 * @NFTA_SET_TABLE: table name (NLA_STRING) 314 * @NFTA_SET_NAME: set name (NLA_STRING) 315 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) 316 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) 317 * @NFTA_SET_KEY_LEN: key data length (NLA_U32) 318 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) 319 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) 320 * @NFTA_SET_POLICY: selection policy (NLA_U32) 321 * @NFTA_SET_DESC: set description (NLA_NESTED) 322 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 323 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) 324 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) 325 * @NFTA_SET_USERDATA: user data (NLA_BINARY) 326 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*) 327 * @NFTA_SET_HANDLE: set handle (NLA_U64) 328 */ 329 enum nft_set_attributes { 330 NFTA_SET_UNSPEC, 331 NFTA_SET_TABLE, 332 NFTA_SET_NAME, 333 NFTA_SET_FLAGS, 334 NFTA_SET_KEY_TYPE, 335 NFTA_SET_KEY_LEN, 336 NFTA_SET_DATA_TYPE, 337 NFTA_SET_DATA_LEN, 338 NFTA_SET_POLICY, 339 NFTA_SET_DESC, 340 NFTA_SET_ID, 341 NFTA_SET_TIMEOUT, 342 NFTA_SET_GC_INTERVAL, 343 NFTA_SET_USERDATA, 344 NFTA_SET_PAD, 345 NFTA_SET_OBJ_TYPE, 346 NFTA_SET_HANDLE, 347 __NFTA_SET_MAX 348 }; 349 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) 350 351 /** 352 * enum nft_set_elem_flags - nf_tables set element flags 353 * 354 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval 355 */ 356 enum nft_set_elem_flags { 357 NFT_SET_ELEM_INTERVAL_END = 0x1, 358 }; 359 360 /** 361 * enum nft_set_elem_attributes - nf_tables set element netlink attributes 362 * 363 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) 364 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) 365 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) 366 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64) 367 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) 368 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) 369 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) 370 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING) 371 */ 372 enum nft_set_elem_attributes { 373 NFTA_SET_ELEM_UNSPEC, 374 NFTA_SET_ELEM_KEY, 375 NFTA_SET_ELEM_DATA, 376 NFTA_SET_ELEM_FLAGS, 377 NFTA_SET_ELEM_TIMEOUT, 378 NFTA_SET_ELEM_EXPIRATION, 379 NFTA_SET_ELEM_USERDATA, 380 NFTA_SET_ELEM_EXPR, 381 NFTA_SET_ELEM_PAD, 382 NFTA_SET_ELEM_OBJREF, 383 __NFTA_SET_ELEM_MAX 384 }; 385 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) 386 387 /** 388 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes 389 * 390 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) 391 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) 392 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) 393 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 394 */ 395 enum nft_set_elem_list_attributes { 396 NFTA_SET_ELEM_LIST_UNSPEC, 397 NFTA_SET_ELEM_LIST_TABLE, 398 NFTA_SET_ELEM_LIST_SET, 399 NFTA_SET_ELEM_LIST_ELEMENTS, 400 NFTA_SET_ELEM_LIST_SET_ID, 401 __NFTA_SET_ELEM_LIST_MAX 402 }; 403 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) 404 405 /** 406 * enum nft_data_types - nf_tables data types 407 * 408 * @NFT_DATA_VALUE: generic data 409 * @NFT_DATA_VERDICT: netfilter verdict 410 * 411 * The type of data is usually determined by the kernel directly and is not 412 * explicitly specified by userspace. The only difference are sets, where 413 * userspace specifies the key and mapping data types. 414 * 415 * The values 0xffffff00-0xffffffff are reserved for internally used types. 416 * The remaining range can be freely used by userspace to encode types, all 417 * values are equivalent to NFT_DATA_VALUE. 418 */ 419 enum nft_data_types { 420 NFT_DATA_VALUE, 421 NFT_DATA_VERDICT = 0xffffff00U, 422 }; 423 424 #define NFT_DATA_RESERVED_MASK 0xffffff00U 425 426 /** 427 * enum nft_data_attributes - nf_tables data netlink attributes 428 * 429 * @NFTA_DATA_VALUE: generic data (NLA_BINARY) 430 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) 431 */ 432 enum nft_data_attributes { 433 NFTA_DATA_UNSPEC, 434 NFTA_DATA_VALUE, 435 NFTA_DATA_VERDICT, 436 __NFTA_DATA_MAX 437 }; 438 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) 439 440 /* Maximum length of a value */ 441 #define NFT_DATA_VALUE_MAXLEN 64 442 443 /** 444 * enum nft_verdict_attributes - nf_tables verdict netlink attributes 445 * 446 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) 447 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) 448 */ 449 enum nft_verdict_attributes { 450 NFTA_VERDICT_UNSPEC, 451 NFTA_VERDICT_CODE, 452 NFTA_VERDICT_CHAIN, 453 __NFTA_VERDICT_MAX 454 }; 455 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) 456 457 /** 458 * enum nft_expr_attributes - nf_tables expression netlink attributes 459 * 460 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) 461 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) 462 */ 463 enum nft_expr_attributes { 464 NFTA_EXPR_UNSPEC, 465 NFTA_EXPR_NAME, 466 NFTA_EXPR_DATA, 467 __NFTA_EXPR_MAX 468 }; 469 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) 470 471 /** 472 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes 473 * 474 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) 475 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) 476 */ 477 enum nft_immediate_attributes { 478 NFTA_IMMEDIATE_UNSPEC, 479 NFTA_IMMEDIATE_DREG, 480 NFTA_IMMEDIATE_DATA, 481 __NFTA_IMMEDIATE_MAX 482 }; 483 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) 484 485 /** 486 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes 487 * 488 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) 489 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) 490 * @NFTA_BITWISE_LEN: length of operands (NLA_U32) 491 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) 492 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) 493 * 494 * The bitwise expression performs the following operation: 495 * 496 * dreg = (sreg & mask) ^ xor 497 * 498 * which allow to express all bitwise operations: 499 * 500 * mask xor 501 * NOT: 1 1 502 * OR: 0 x 503 * XOR: 1 x 504 * AND: x 0 505 */ 506 enum nft_bitwise_attributes { 507 NFTA_BITWISE_UNSPEC, 508 NFTA_BITWISE_SREG, 509 NFTA_BITWISE_DREG, 510 NFTA_BITWISE_LEN, 511 NFTA_BITWISE_MASK, 512 NFTA_BITWISE_XOR, 513 __NFTA_BITWISE_MAX 514 }; 515 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) 516 517 /** 518 * enum nft_byteorder_ops - nf_tables byteorder operators 519 * 520 * @NFT_BYTEORDER_NTOH: network to host operator 521 * @NFT_BYTEORDER_HTON: host to network operator 522 */ 523 enum nft_byteorder_ops { 524 NFT_BYTEORDER_NTOH, 525 NFT_BYTEORDER_HTON, 526 }; 527 528 /** 529 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes 530 * 531 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) 532 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) 533 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) 534 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) 535 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) 536 */ 537 enum nft_byteorder_attributes { 538 NFTA_BYTEORDER_UNSPEC, 539 NFTA_BYTEORDER_SREG, 540 NFTA_BYTEORDER_DREG, 541 NFTA_BYTEORDER_OP, 542 NFTA_BYTEORDER_LEN, 543 NFTA_BYTEORDER_SIZE, 544 __NFTA_BYTEORDER_MAX 545 }; 546 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) 547 548 /** 549 * enum nft_cmp_ops - nf_tables relational operator 550 * 551 * @NFT_CMP_EQ: equal 552 * @NFT_CMP_NEQ: not equal 553 * @NFT_CMP_LT: less than 554 * @NFT_CMP_LTE: less than or equal to 555 * @NFT_CMP_GT: greater than 556 * @NFT_CMP_GTE: greater than or equal to 557 */ 558 enum nft_cmp_ops { 559 NFT_CMP_EQ, 560 NFT_CMP_NEQ, 561 NFT_CMP_LT, 562 NFT_CMP_LTE, 563 NFT_CMP_GT, 564 NFT_CMP_GTE, 565 }; 566 567 /** 568 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes 569 * 570 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) 571 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) 572 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) 573 */ 574 enum nft_cmp_attributes { 575 NFTA_CMP_UNSPEC, 576 NFTA_CMP_SREG, 577 NFTA_CMP_OP, 578 NFTA_CMP_DATA, 579 __NFTA_CMP_MAX 580 }; 581 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) 582 583 /** 584 * enum nft_range_ops - nf_tables range operator 585 * 586 * @NFT_RANGE_EQ: equal 587 * @NFT_RANGE_NEQ: not equal 588 */ 589 enum nft_range_ops { 590 NFT_RANGE_EQ, 591 NFT_RANGE_NEQ, 592 }; 593 594 /** 595 * enum nft_range_attributes - nf_tables range expression netlink attributes 596 * 597 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) 598 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops) 599 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) 600 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) 601 */ 602 enum nft_range_attributes { 603 NFTA_RANGE_UNSPEC, 604 NFTA_RANGE_SREG, 605 NFTA_RANGE_OP, 606 NFTA_RANGE_FROM_DATA, 607 NFTA_RANGE_TO_DATA, 608 __NFTA_RANGE_MAX 609 }; 610 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1) 611 612 enum nft_lookup_flags { 613 NFT_LOOKUP_F_INV = (1 << 0), 614 }; 615 616 /** 617 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes 618 * 619 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) 620 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) 621 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) 622 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 623 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) 624 */ 625 enum nft_lookup_attributes { 626 NFTA_LOOKUP_UNSPEC, 627 NFTA_LOOKUP_SET, 628 NFTA_LOOKUP_SREG, 629 NFTA_LOOKUP_DREG, 630 NFTA_LOOKUP_SET_ID, 631 NFTA_LOOKUP_FLAGS, 632 __NFTA_LOOKUP_MAX 633 }; 634 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) 635 636 enum nft_dynset_ops { 637 NFT_DYNSET_OP_ADD, 638 NFT_DYNSET_OP_UPDATE, 639 NFT_DYNSET_OP_DELETE, 640 }; 641 642 enum nft_dynset_flags { 643 NFT_DYNSET_F_INV = (1 << 0), 644 }; 645 646 /** 647 * enum nft_dynset_attributes - dynset expression attributes 648 * 649 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) 650 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) 651 * @NFTA_DYNSET_OP: operation (NLA_U32) 652 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) 653 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) 654 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) 655 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) 656 * @NFTA_DYNSET_FLAGS: flags (NLA_U32) 657 */ 658 enum nft_dynset_attributes { 659 NFTA_DYNSET_UNSPEC, 660 NFTA_DYNSET_SET_NAME, 661 NFTA_DYNSET_SET_ID, 662 NFTA_DYNSET_OP, 663 NFTA_DYNSET_SREG_KEY, 664 NFTA_DYNSET_SREG_DATA, 665 NFTA_DYNSET_TIMEOUT, 666 NFTA_DYNSET_EXPR, 667 NFTA_DYNSET_PAD, 668 NFTA_DYNSET_FLAGS, 669 __NFTA_DYNSET_MAX, 670 }; 671 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) 672 673 /** 674 * enum nft_payload_bases - nf_tables payload expression offset bases 675 * 676 * @NFT_PAYLOAD_LL_HEADER: link layer header 677 * @NFT_PAYLOAD_NETWORK_HEADER: network header 678 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header 679 */ 680 enum nft_payload_bases { 681 NFT_PAYLOAD_LL_HEADER, 682 NFT_PAYLOAD_NETWORK_HEADER, 683 NFT_PAYLOAD_TRANSPORT_HEADER, 684 }; 685 686 /** 687 * enum nft_payload_csum_types - nf_tables payload expression checksum types 688 * 689 * @NFT_PAYLOAD_CSUM_NONE: no checksumming 690 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) 691 */ 692 enum nft_payload_csum_types { 693 NFT_PAYLOAD_CSUM_NONE, 694 NFT_PAYLOAD_CSUM_INET, 695 }; 696 697 enum nft_payload_csum_flags { 698 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0), 699 }; 700 701 /** 702 * enum nft_payload_attributes - nf_tables payload expression netlink attributes 703 * 704 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) 705 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) 706 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) 707 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) 708 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) 709 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) 710 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) 711 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32) 712 */ 713 enum nft_payload_attributes { 714 NFTA_PAYLOAD_UNSPEC, 715 NFTA_PAYLOAD_DREG, 716 NFTA_PAYLOAD_BASE, 717 NFTA_PAYLOAD_OFFSET, 718 NFTA_PAYLOAD_LEN, 719 NFTA_PAYLOAD_SREG, 720 NFTA_PAYLOAD_CSUM_TYPE, 721 NFTA_PAYLOAD_CSUM_OFFSET, 722 NFTA_PAYLOAD_CSUM_FLAGS, 723 __NFTA_PAYLOAD_MAX 724 }; 725 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) 726 727 enum nft_exthdr_flags { 728 NFT_EXTHDR_F_PRESENT = (1 << 0), 729 }; 730 731 /** 732 * enum nft_exthdr_op - nf_tables match options 733 * 734 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers 735 * @NFT_EXTHDR_OP_TCP: match against tcp options 736 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options 737 */ 738 enum nft_exthdr_op { 739 NFT_EXTHDR_OP_IPV6, 740 NFT_EXTHDR_OP_TCPOPT, 741 NFT_EXTHDR_OP_IPV4, 742 __NFT_EXTHDR_OP_MAX 743 }; 744 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1) 745 746 /** 747 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes 748 * 749 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) 750 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) 751 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) 752 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) 753 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32) 754 * @NFTA_EXTHDR_OP: option match type (NLA_U32) 755 * @NFTA_EXTHDR_SREG: option match type (NLA_U32) 756 */ 757 enum nft_exthdr_attributes { 758 NFTA_EXTHDR_UNSPEC, 759 NFTA_EXTHDR_DREG, 760 NFTA_EXTHDR_TYPE, 761 NFTA_EXTHDR_OFFSET, 762 NFTA_EXTHDR_LEN, 763 NFTA_EXTHDR_FLAGS, 764 NFTA_EXTHDR_OP, 765 NFTA_EXTHDR_SREG, 766 __NFTA_EXTHDR_MAX 767 }; 768 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) 769 770 /** 771 * enum nft_meta_keys - nf_tables meta expression keys 772 * 773 * @NFT_META_LEN: packet length (skb->len) 774 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT 775 * @NFT_META_PRIORITY: packet priority (skb->priority) 776 * @NFT_META_MARK: packet mark (skb->mark) 777 * @NFT_META_IIF: packet input interface index (dev->ifindex) 778 * @NFT_META_OIF: packet output interface index (dev->ifindex) 779 * @NFT_META_IIFNAME: packet input interface name (dev->name) 780 * @NFT_META_OIFNAME: packet output interface name (dev->name) 781 * @NFT_META_IIFTYPE: packet input interface type (dev->type) 782 * @NFT_META_OIFTYPE: packet output interface type (dev->type) 783 * @NFT_META_SKUID: originating socket UID (fsuid) 784 * @NFT_META_SKGID: originating socket GID (fsgid) 785 * @NFT_META_NFTRACE: packet nftrace bit 786 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) 787 * @NFT_META_SECMARK: packet secmark (skb->secmark) 788 * @NFT_META_NFPROTO: netfilter protocol 789 * @NFT_META_L4PROTO: layer 4 protocol number 790 * @NFT_META_BRI_IIFNAME: packet input bridge interface name 791 * @NFT_META_BRI_OIFNAME: packet output bridge interface name 792 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback 793 * @NFT_META_CPU: cpu id through smp_processor_id() 794 * @NFT_META_IIFGROUP: packet input interface group 795 * @NFT_META_OIFGROUP: packet output interface group 796 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) 797 * @NFT_META_PRANDOM: a 32bit pseudo-random number 798 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp) 799 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind) 800 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind) 801 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid 802 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto 803 * @NFT_META_TIME_NS: time since epoch (in nanoseconds) 804 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday) 805 * @NFT_META_TIME_HOUR: hour of day (in seconds) 806 */ 807 enum nft_meta_keys { 808 NFT_META_LEN, 809 NFT_META_PROTOCOL, 810 NFT_META_PRIORITY, 811 NFT_META_MARK, 812 NFT_META_IIF, 813 NFT_META_OIF, 814 NFT_META_IIFNAME, 815 NFT_META_OIFNAME, 816 NFT_META_IIFTYPE, 817 NFT_META_OIFTYPE, 818 NFT_META_SKUID, 819 NFT_META_SKGID, 820 NFT_META_NFTRACE, 821 NFT_META_RTCLASSID, 822 NFT_META_SECMARK, 823 NFT_META_NFPROTO, 824 NFT_META_L4PROTO, 825 NFT_META_BRI_IIFNAME, 826 NFT_META_BRI_OIFNAME, 827 NFT_META_PKTTYPE, 828 NFT_META_CPU, 829 NFT_META_IIFGROUP, 830 NFT_META_OIFGROUP, 831 NFT_META_CGROUP, 832 NFT_META_PRANDOM, 833 NFT_META_SECPATH, 834 NFT_META_IIFKIND, 835 NFT_META_OIFKIND, 836 NFT_META_BRI_IIFPVID, 837 NFT_META_BRI_IIFVPROTO, 838 NFT_META_TIME_NS, 839 NFT_META_TIME_DAY, 840 NFT_META_TIME_HOUR, 841 }; 842 843 /** 844 * enum nft_rt_keys - nf_tables routing expression keys 845 * 846 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid) 847 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4 848 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6 849 * @NFT_RT_TCPMSS: fetch current path tcp mss 850 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL 851 */ 852 enum nft_rt_keys { 853 NFT_RT_CLASSID, 854 NFT_RT_NEXTHOP4, 855 NFT_RT_NEXTHOP6, 856 NFT_RT_TCPMSS, 857 NFT_RT_XFRM, 858 __NFT_RT_MAX 859 }; 860 #define NFT_RT_MAX (__NFT_RT_MAX - 1) 861 862 /** 863 * enum nft_hash_types - nf_tables hash expression types 864 * 865 * @NFT_HASH_JENKINS: Jenkins Hash 866 * @NFT_HASH_SYM: Symmetric Hash 867 */ 868 enum nft_hash_types { 869 NFT_HASH_JENKINS, 870 NFT_HASH_SYM, 871 }; 872 873 /** 874 * enum nft_hash_attributes - nf_tables hash expression netlink attributes 875 * 876 * @NFTA_HASH_SREG: source register (NLA_U32) 877 * @NFTA_HASH_DREG: destination register (NLA_U32) 878 * @NFTA_HASH_LEN: source data length (NLA_U32) 879 * @NFTA_HASH_MODULUS: modulus value (NLA_U32) 880 * @NFTA_HASH_SEED: seed value (NLA_U32) 881 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) 882 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types) 883 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING) 884 * @NFTA_HASH_SET_ID: id of the map (NLA_U32) 885 */ 886 enum nft_hash_attributes { 887 NFTA_HASH_UNSPEC, 888 NFTA_HASH_SREG, 889 NFTA_HASH_DREG, 890 NFTA_HASH_LEN, 891 NFTA_HASH_MODULUS, 892 NFTA_HASH_SEED, 893 NFTA_HASH_OFFSET, 894 NFTA_HASH_TYPE, 895 NFTA_HASH_SET_NAME, /* deprecated */ 896 NFTA_HASH_SET_ID, /* deprecated */ 897 __NFTA_HASH_MAX, 898 }; 899 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1) 900 901 /** 902 * enum nft_meta_attributes - nf_tables meta expression netlink attributes 903 * 904 * @NFTA_META_DREG: destination register (NLA_U32) 905 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) 906 * @NFTA_META_SREG: source register (NLA_U32) 907 */ 908 enum nft_meta_attributes { 909 NFTA_META_UNSPEC, 910 NFTA_META_DREG, 911 NFTA_META_KEY, 912 NFTA_META_SREG, 913 __NFTA_META_MAX 914 }; 915 #define NFTA_META_MAX (__NFTA_META_MAX - 1) 916 917 /** 918 * enum nft_rt_attributes - nf_tables routing expression netlink attributes 919 * 920 * @NFTA_RT_DREG: destination register (NLA_U32) 921 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys) 922 */ 923 enum nft_rt_attributes { 924 NFTA_RT_UNSPEC, 925 NFTA_RT_DREG, 926 NFTA_RT_KEY, 927 __NFTA_RT_MAX 928 }; 929 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1) 930 931 /** 932 * enum nft_socket_attributes - nf_tables socket expression netlink attributes 933 * 934 * @NFTA_SOCKET_KEY: socket key to match 935 * @NFTA_SOCKET_DREG: destination register 936 */ 937 enum nft_socket_attributes { 938 NFTA_SOCKET_UNSPEC, 939 NFTA_SOCKET_KEY, 940 NFTA_SOCKET_DREG, 941 __NFTA_SOCKET_MAX 942 }; 943 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1) 944 945 /* 946 * enum nft_socket_keys - nf_tables socket expression keys 947 * 948 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option 949 * @NFT_SOCKET_MARK: Value of the socket mark 950 */ 951 enum nft_socket_keys { 952 NFT_SOCKET_TRANSPARENT, 953 NFT_SOCKET_MARK, 954 __NFT_SOCKET_MAX 955 }; 956 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1) 957 958 /** 959 * enum nft_ct_keys - nf_tables ct expression keys 960 * 961 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) 962 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) 963 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) 964 * @NFT_CT_MARK: conntrack mark value 965 * @NFT_CT_SECMARK: conntrack secmark value 966 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms 967 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack 968 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol 969 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated) 970 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated) 971 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol 972 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source 973 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination 974 * @NFT_CT_LABELS: conntrack labels 975 * @NFT_CT_PKTS: conntrack packets 976 * @NFT_CT_BYTES: conntrack bytes 977 * @NFT_CT_AVGPKT: conntrack average bytes per packet 978 * @NFT_CT_ZONE: conntrack zone 979 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack 980 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address) 981 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address) 982 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address) 983 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address) 984 * @NFT_CT_ID: conntrack id 985 */ 986 enum nft_ct_keys { 987 NFT_CT_STATE, 988 NFT_CT_DIRECTION, 989 NFT_CT_STATUS, 990 NFT_CT_MARK, 991 NFT_CT_SECMARK, 992 NFT_CT_EXPIRATION, 993 NFT_CT_HELPER, 994 NFT_CT_L3PROTOCOL, 995 NFT_CT_SRC, 996 NFT_CT_DST, 997 NFT_CT_PROTOCOL, 998 NFT_CT_PROTO_SRC, 999 NFT_CT_PROTO_DST, 1000 NFT_CT_LABELS, 1001 NFT_CT_PKTS, 1002 NFT_CT_BYTES, 1003 NFT_CT_AVGPKT, 1004 NFT_CT_ZONE, 1005 NFT_CT_EVENTMASK, 1006 NFT_CT_SRC_IP, 1007 NFT_CT_DST_IP, 1008 NFT_CT_SRC_IP6, 1009 NFT_CT_DST_IP6, 1010 NFT_CT_ID, 1011 __NFT_CT_MAX 1012 }; 1013 #define NFT_CT_MAX (__NFT_CT_MAX - 1) 1014 1015 /** 1016 * enum nft_ct_attributes - nf_tables ct expression netlink attributes 1017 * 1018 * @NFTA_CT_DREG: destination register (NLA_U32) 1019 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) 1020 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) 1021 * @NFTA_CT_SREG: source register (NLA_U32) 1022 */ 1023 enum nft_ct_attributes { 1024 NFTA_CT_UNSPEC, 1025 NFTA_CT_DREG, 1026 NFTA_CT_KEY, 1027 NFTA_CT_DIRECTION, 1028 NFTA_CT_SREG, 1029 __NFTA_CT_MAX 1030 }; 1031 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) 1032 1033 /** 1034 * enum nft_flow_attributes - ct offload expression attributes 1035 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING) 1036 */ 1037 enum nft_offload_attributes { 1038 NFTA_FLOW_UNSPEC, 1039 NFTA_FLOW_TABLE_NAME, 1040 __NFTA_FLOW_MAX, 1041 }; 1042 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1) 1043 1044 enum nft_limit_type { 1045 NFT_LIMIT_PKTS, 1046 NFT_LIMIT_PKT_BYTES 1047 }; 1048 1049 enum nft_limit_flags { 1050 NFT_LIMIT_F_INV = (1 << 0), 1051 }; 1052 1053 /** 1054 * enum nft_limit_attributes - nf_tables limit expression netlink attributes 1055 * 1056 * @NFTA_LIMIT_RATE: refill rate (NLA_U64) 1057 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) 1058 * @NFTA_LIMIT_BURST: burst (NLA_U32) 1059 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) 1060 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) 1061 */ 1062 enum nft_limit_attributes { 1063 NFTA_LIMIT_UNSPEC, 1064 NFTA_LIMIT_RATE, 1065 NFTA_LIMIT_UNIT, 1066 NFTA_LIMIT_BURST, 1067 NFTA_LIMIT_TYPE, 1068 NFTA_LIMIT_FLAGS, 1069 NFTA_LIMIT_PAD, 1070 __NFTA_LIMIT_MAX 1071 }; 1072 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) 1073 1074 enum nft_connlimit_flags { 1075 NFT_CONNLIMIT_F_INV = (1 << 0), 1076 }; 1077 1078 /** 1079 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes 1080 * 1081 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32) 1082 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags) 1083 */ 1084 enum nft_connlimit_attributes { 1085 NFTA_CONNLIMIT_UNSPEC, 1086 NFTA_CONNLIMIT_COUNT, 1087 NFTA_CONNLIMIT_FLAGS, 1088 __NFTA_CONNLIMIT_MAX 1089 }; 1090 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1) 1091 1092 /** 1093 * enum nft_counter_attributes - nf_tables counter expression netlink attributes 1094 * 1095 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) 1096 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) 1097 */ 1098 enum nft_counter_attributes { 1099 NFTA_COUNTER_UNSPEC, 1100 NFTA_COUNTER_BYTES, 1101 NFTA_COUNTER_PACKETS, 1102 NFTA_COUNTER_PAD, 1103 __NFTA_COUNTER_MAX 1104 }; 1105 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) 1106 1107 /** 1108 * enum nft_log_attributes - nf_tables log expression netlink attributes 1109 * 1110 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32) 1111 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) 1112 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) 1113 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32) 1114 * @NFTA_LOG_LEVEL: log level (NLA_U32) 1115 * @NFTA_LOG_FLAGS: logging flags (NLA_U32) 1116 */ 1117 enum nft_log_attributes { 1118 NFTA_LOG_UNSPEC, 1119 NFTA_LOG_GROUP, 1120 NFTA_LOG_PREFIX, 1121 NFTA_LOG_SNAPLEN, 1122 NFTA_LOG_QTHRESHOLD, 1123 NFTA_LOG_LEVEL, 1124 NFTA_LOG_FLAGS, 1125 __NFTA_LOG_MAX 1126 }; 1127 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) 1128 1129 /** 1130 * enum nft_log_level - nf_tables log levels 1131 * 1132 * @NFT_LOGLEVEL_EMERG: system is unusable 1133 * @NFT_LOGLEVEL_ALERT: action must be taken immediately 1134 * @NFT_LOGLEVEL_CRIT: critical conditions 1135 * @NFT_LOGLEVEL_ERR: error conditions 1136 * @NFT_LOGLEVEL_WARNING: warning conditions 1137 * @NFT_LOGLEVEL_NOTICE: normal but significant condition 1138 * @NFT_LOGLEVEL_INFO: informational 1139 * @NFT_LOGLEVEL_DEBUG: debug-level messages 1140 * @NFT_LOGLEVEL_AUDIT: enabling audit logging 1141 */ 1142 enum nft_log_level { 1143 NFT_LOGLEVEL_EMERG, 1144 NFT_LOGLEVEL_ALERT, 1145 NFT_LOGLEVEL_CRIT, 1146 NFT_LOGLEVEL_ERR, 1147 NFT_LOGLEVEL_WARNING, 1148 NFT_LOGLEVEL_NOTICE, 1149 NFT_LOGLEVEL_INFO, 1150 NFT_LOGLEVEL_DEBUG, 1151 NFT_LOGLEVEL_AUDIT, 1152 __NFT_LOGLEVEL_MAX 1153 }; 1154 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1) 1155 1156 /** 1157 * enum nft_queue_attributes - nf_tables queue expression netlink attributes 1158 * 1159 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) 1160 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) 1161 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) 1162 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) 1163 */ 1164 enum nft_queue_attributes { 1165 NFTA_QUEUE_UNSPEC, 1166 NFTA_QUEUE_NUM, 1167 NFTA_QUEUE_TOTAL, 1168 NFTA_QUEUE_FLAGS, 1169 NFTA_QUEUE_SREG_QNUM, 1170 __NFTA_QUEUE_MAX 1171 }; 1172 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) 1173 1174 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ 1175 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ 1176 #define NFT_QUEUE_FLAG_MASK 0x03 1177 1178 enum nft_quota_flags { 1179 NFT_QUOTA_F_INV = (1 << 0), 1180 NFT_QUOTA_F_DEPLETED = (1 << 1), 1181 }; 1182 1183 /** 1184 * enum nft_quota_attributes - nf_tables quota expression netlink attributes 1185 * 1186 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) 1187 * @NFTA_QUOTA_FLAGS: flags (NLA_U32) 1188 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64) 1189 */ 1190 enum nft_quota_attributes { 1191 NFTA_QUOTA_UNSPEC, 1192 NFTA_QUOTA_BYTES, 1193 NFTA_QUOTA_FLAGS, 1194 NFTA_QUOTA_PAD, 1195 NFTA_QUOTA_CONSUMED, 1196 __NFTA_QUOTA_MAX 1197 }; 1198 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1) 1199 1200 /** 1201 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes 1202 * 1203 * @NFTA_SECMARK_CTX: security context (NLA_STRING) 1204 */ 1205 enum nft_secmark_attributes { 1206 NFTA_SECMARK_UNSPEC, 1207 NFTA_SECMARK_CTX, 1208 __NFTA_SECMARK_MAX, 1209 }; 1210 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) 1211 1212 /* Max security context length */ 1213 #define NFT_SECMARK_CTX_MAXLEN 256 1214 1215 /** 1216 * enum nft_reject_types - nf_tables reject expression reject types 1217 * 1218 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable 1219 * @NFT_REJECT_TCP_RST: reject using TCP RST 1220 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet 1221 */ 1222 enum nft_reject_types { 1223 NFT_REJECT_ICMP_UNREACH, 1224 NFT_REJECT_TCP_RST, 1225 NFT_REJECT_ICMPX_UNREACH, 1226 }; 1227 1228 /** 1229 * enum nft_reject_code - Generic reject codes for IPv4/IPv6 1230 * 1231 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable 1232 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable 1233 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable 1234 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited 1235 * 1236 * These codes are mapped to real ICMP and ICMPv6 codes. 1237 */ 1238 enum nft_reject_inet_code { 1239 NFT_REJECT_ICMPX_NO_ROUTE = 0, 1240 NFT_REJECT_ICMPX_PORT_UNREACH, 1241 NFT_REJECT_ICMPX_HOST_UNREACH, 1242 NFT_REJECT_ICMPX_ADMIN_PROHIBITED, 1243 __NFT_REJECT_ICMPX_MAX 1244 }; 1245 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) 1246 1247 /** 1248 * enum nft_reject_attributes - nf_tables reject expression netlink attributes 1249 * 1250 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) 1251 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) 1252 */ 1253 enum nft_reject_attributes { 1254 NFTA_REJECT_UNSPEC, 1255 NFTA_REJECT_TYPE, 1256 NFTA_REJECT_ICMP_CODE, 1257 __NFTA_REJECT_MAX 1258 }; 1259 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) 1260 1261 /** 1262 * enum nft_nat_types - nf_tables nat expression NAT types 1263 * 1264 * @NFT_NAT_SNAT: source NAT 1265 * @NFT_NAT_DNAT: destination NAT 1266 */ 1267 enum nft_nat_types { 1268 NFT_NAT_SNAT, 1269 NFT_NAT_DNAT, 1270 }; 1271 1272 /** 1273 * enum nft_nat_attributes - nf_tables nat expression netlink attributes 1274 * 1275 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) 1276 * @NFTA_NAT_FAMILY: NAT family (NLA_U32) 1277 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) 1278 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) 1279 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1280 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1281 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1282 */ 1283 enum nft_nat_attributes { 1284 NFTA_NAT_UNSPEC, 1285 NFTA_NAT_TYPE, 1286 NFTA_NAT_FAMILY, 1287 NFTA_NAT_REG_ADDR_MIN, 1288 NFTA_NAT_REG_ADDR_MAX, 1289 NFTA_NAT_REG_PROTO_MIN, 1290 NFTA_NAT_REG_PROTO_MAX, 1291 NFTA_NAT_FLAGS, 1292 __NFTA_NAT_MAX 1293 }; 1294 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) 1295 1296 /** 1297 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes 1298 * 1299 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers) 1300 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers) 1301 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers) 1302 */ 1303 enum nft_tproxy_attributes { 1304 NFTA_TPROXY_UNSPEC, 1305 NFTA_TPROXY_FAMILY, 1306 NFTA_TPROXY_REG_ADDR, 1307 NFTA_TPROXY_REG_PORT, 1308 __NFTA_TPROXY_MAX 1309 }; 1310 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1) 1311 1312 /** 1313 * enum nft_masq_attributes - nf_tables masquerade expression attributes 1314 * 1315 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1316 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1317 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1318 */ 1319 enum nft_masq_attributes { 1320 NFTA_MASQ_UNSPEC, 1321 NFTA_MASQ_FLAGS, 1322 NFTA_MASQ_REG_PROTO_MIN, 1323 NFTA_MASQ_REG_PROTO_MAX, 1324 __NFTA_MASQ_MAX 1325 }; 1326 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) 1327 1328 /** 1329 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes 1330 * 1331 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1332 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1333 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1334 */ 1335 enum nft_redir_attributes { 1336 NFTA_REDIR_UNSPEC, 1337 NFTA_REDIR_REG_PROTO_MIN, 1338 NFTA_REDIR_REG_PROTO_MAX, 1339 NFTA_REDIR_FLAGS, 1340 __NFTA_REDIR_MAX 1341 }; 1342 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) 1343 1344 /** 1345 * enum nft_dup_attributes - nf_tables dup expression netlink attributes 1346 * 1347 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) 1348 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1349 */ 1350 enum nft_dup_attributes { 1351 NFTA_DUP_UNSPEC, 1352 NFTA_DUP_SREG_ADDR, 1353 NFTA_DUP_SREG_DEV, 1354 __NFTA_DUP_MAX 1355 }; 1356 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) 1357 1358 /** 1359 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes 1360 * 1361 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1362 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register) 1363 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto) 1364 */ 1365 enum nft_fwd_attributes { 1366 NFTA_FWD_UNSPEC, 1367 NFTA_FWD_SREG_DEV, 1368 NFTA_FWD_SREG_ADDR, 1369 NFTA_FWD_NFPROTO, 1370 __NFTA_FWD_MAX 1371 }; 1372 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1) 1373 1374 /** 1375 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes 1376 * 1377 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register) 1378 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING) 1379 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers) 1380 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING) 1381 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32) 1382 */ 1383 enum nft_objref_attributes { 1384 NFTA_OBJREF_UNSPEC, 1385 NFTA_OBJREF_IMM_TYPE, 1386 NFTA_OBJREF_IMM_NAME, 1387 NFTA_OBJREF_SET_SREG, 1388 NFTA_OBJREF_SET_NAME, 1389 NFTA_OBJREF_SET_ID, 1390 __NFTA_OBJREF_MAX 1391 }; 1392 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1) 1393 1394 /** 1395 * enum nft_gen_attributes - nf_tables ruleset generation attributes 1396 * 1397 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) 1398 */ 1399 enum nft_gen_attributes { 1400 NFTA_GEN_UNSPEC, 1401 NFTA_GEN_ID, 1402 NFTA_GEN_PROC_PID, 1403 NFTA_GEN_PROC_NAME, 1404 __NFTA_GEN_MAX 1405 }; 1406 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) 1407 1408 /* 1409 * enum nft_fib_attributes - nf_tables fib expression netlink attributes 1410 * 1411 * @NFTA_FIB_DREG: destination register (NLA_U32) 1412 * @NFTA_FIB_RESULT: desired result (NLA_U32) 1413 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) 1414 * 1415 * The FIB expression performs a route lookup according 1416 * to the packet data. 1417 */ 1418 enum nft_fib_attributes { 1419 NFTA_FIB_UNSPEC, 1420 NFTA_FIB_DREG, 1421 NFTA_FIB_RESULT, 1422 NFTA_FIB_FLAGS, 1423 __NFTA_FIB_MAX 1424 }; 1425 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1) 1426 1427 enum nft_fib_result { 1428 NFT_FIB_RESULT_UNSPEC, 1429 NFT_FIB_RESULT_OIF, 1430 NFT_FIB_RESULT_OIFNAME, 1431 NFT_FIB_RESULT_ADDRTYPE, 1432 __NFT_FIB_RESULT_MAX 1433 }; 1434 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1) 1435 1436 enum nft_fib_flags { 1437 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */ 1438 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */ 1439 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */ 1440 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */ 1441 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */ 1442 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */ 1443 }; 1444 1445 enum nft_ct_helper_attributes { 1446 NFTA_CT_HELPER_UNSPEC, 1447 NFTA_CT_HELPER_NAME, 1448 NFTA_CT_HELPER_L3PROTO, 1449 NFTA_CT_HELPER_L4PROTO, 1450 __NFTA_CT_HELPER_MAX, 1451 }; 1452 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1) 1453 1454 enum nft_ct_timeout_timeout_attributes { 1455 NFTA_CT_TIMEOUT_UNSPEC, 1456 NFTA_CT_TIMEOUT_L3PROTO, 1457 NFTA_CT_TIMEOUT_L4PROTO, 1458 NFTA_CT_TIMEOUT_DATA, 1459 __NFTA_CT_TIMEOUT_MAX, 1460 }; 1461 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1) 1462 1463 enum nft_ct_expectation_attributes { 1464 NFTA_CT_EXPECT_UNSPEC, 1465 NFTA_CT_EXPECT_L3PROTO, 1466 NFTA_CT_EXPECT_L4PROTO, 1467 NFTA_CT_EXPECT_DPORT, 1468 NFTA_CT_EXPECT_TIMEOUT, 1469 NFTA_CT_EXPECT_SIZE, 1470 __NFTA_CT_EXPECT_MAX, 1471 }; 1472 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1) 1473 1474 #define NFT_OBJECT_UNSPEC 0 1475 #define NFT_OBJECT_COUNTER 1 1476 #define NFT_OBJECT_QUOTA 2 1477 #define NFT_OBJECT_CT_HELPER 3 1478 #define NFT_OBJECT_LIMIT 4 1479 #define NFT_OBJECT_CONNLIMIT 5 1480 #define NFT_OBJECT_TUNNEL 6 1481 #define NFT_OBJECT_CT_TIMEOUT 7 1482 #define NFT_OBJECT_SECMARK 8 1483 #define NFT_OBJECT_CT_EXPECT 9 1484 #define NFT_OBJECT_SYNPROXY 10 1485 #define __NFT_OBJECT_MAX 11 1486 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1) 1487 1488 /** 1489 * enum nft_object_attributes - nf_tables stateful object netlink attributes 1490 * 1491 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING) 1492 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING) 1493 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32) 1494 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) 1495 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) 1496 * @NFTA_OBJ_HANDLE: object handle (NLA_U64) 1497 */ 1498 enum nft_object_attributes { 1499 NFTA_OBJ_UNSPEC, 1500 NFTA_OBJ_TABLE, 1501 NFTA_OBJ_NAME, 1502 NFTA_OBJ_TYPE, 1503 NFTA_OBJ_DATA, 1504 NFTA_OBJ_USE, 1505 NFTA_OBJ_HANDLE, 1506 NFTA_OBJ_PAD, 1507 __NFTA_OBJ_MAX 1508 }; 1509 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1) 1510 1511 /** 1512 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes 1513 * 1514 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) 1515 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) 1516 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32) 1517 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) 1518 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) 1519 */ 1520 enum nft_flowtable_attributes { 1521 NFTA_FLOWTABLE_UNSPEC, 1522 NFTA_FLOWTABLE_TABLE, 1523 NFTA_FLOWTABLE_NAME, 1524 NFTA_FLOWTABLE_HOOK, 1525 NFTA_FLOWTABLE_USE, 1526 NFTA_FLOWTABLE_HANDLE, 1527 NFTA_FLOWTABLE_PAD, 1528 __NFTA_FLOWTABLE_MAX 1529 }; 1530 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1) 1531 1532 /** 1533 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes 1534 * 1535 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32) 1536 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 1537 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED) 1538 */ 1539 enum nft_flowtable_hook_attributes { 1540 NFTA_FLOWTABLE_HOOK_UNSPEC, 1541 NFTA_FLOWTABLE_HOOK_NUM, 1542 NFTA_FLOWTABLE_HOOK_PRIORITY, 1543 NFTA_FLOWTABLE_HOOK_DEVS, 1544 __NFTA_FLOWTABLE_HOOK_MAX 1545 }; 1546 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1) 1547 1548 /** 1549 * enum nft_osf_attributes - nftables osf expression netlink attributes 1550 * 1551 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers) 1552 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8) 1553 * @NFTA_OSF_FLAGS: flags (NLA_U32) 1554 */ 1555 enum nft_osf_attributes { 1556 NFTA_OSF_UNSPEC, 1557 NFTA_OSF_DREG, 1558 NFTA_OSF_TTL, 1559 NFTA_OSF_FLAGS, 1560 __NFTA_OSF_MAX, 1561 }; 1562 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1) 1563 1564 enum nft_osf_flags { 1565 NFT_OSF_F_VERSION = (1 << 0), 1566 }; 1567 1568 /** 1569 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes 1570 * 1571 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16) 1572 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8) 1573 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32) 1574 */ 1575 enum nft_synproxy_attributes { 1576 NFTA_SYNPROXY_UNSPEC, 1577 NFTA_SYNPROXY_MSS, 1578 NFTA_SYNPROXY_WSCALE, 1579 NFTA_SYNPROXY_FLAGS, 1580 __NFTA_SYNPROXY_MAX, 1581 }; 1582 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1) 1583 1584 /** 1585 * enum nft_device_attributes - nf_tables device netlink attributes 1586 * 1587 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING) 1588 */ 1589 enum nft_devices_attributes { 1590 NFTA_DEVICE_UNSPEC, 1591 NFTA_DEVICE_NAME, 1592 __NFTA_DEVICE_MAX 1593 }; 1594 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1) 1595 1596 /* 1597 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes 1598 * 1599 * @NFTA_XFRM_DREG: destination register (NLA_U32) 1600 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32) 1601 * @NFTA_XFRM_DIR: direction (NLA_U8) 1602 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32) 1603 */ 1604 enum nft_xfrm_attributes { 1605 NFTA_XFRM_UNSPEC, 1606 NFTA_XFRM_DREG, 1607 NFTA_XFRM_KEY, 1608 NFTA_XFRM_DIR, 1609 NFTA_XFRM_SPNUM, 1610 __NFTA_XFRM_MAX 1611 }; 1612 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1) 1613 1614 enum nft_xfrm_keys { 1615 NFT_XFRM_KEY_UNSPEC, 1616 NFT_XFRM_KEY_DADDR_IP4, 1617 NFT_XFRM_KEY_DADDR_IP6, 1618 NFT_XFRM_KEY_SADDR_IP4, 1619 NFT_XFRM_KEY_SADDR_IP6, 1620 NFT_XFRM_KEY_REQID, 1621 NFT_XFRM_KEY_SPI, 1622 __NFT_XFRM_KEY_MAX, 1623 }; 1624 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1) 1625 1626 /** 1627 * enum nft_trace_attributes - nf_tables trace netlink attributes 1628 * 1629 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) 1630 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) 1631 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) 1632 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) 1633 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) 1634 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) 1635 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) 1636 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) 1637 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) 1638 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) 1639 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) 1640 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) 1641 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) 1642 * @NFTA_TRACE_MARK: nfmark (NLA_U32) 1643 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) 1644 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) 1645 */ 1646 enum nft_trace_attributes { 1647 NFTA_TRACE_UNSPEC, 1648 NFTA_TRACE_TABLE, 1649 NFTA_TRACE_CHAIN, 1650 NFTA_TRACE_RULE_HANDLE, 1651 NFTA_TRACE_TYPE, 1652 NFTA_TRACE_VERDICT, 1653 NFTA_TRACE_ID, 1654 NFTA_TRACE_LL_HEADER, 1655 NFTA_TRACE_NETWORK_HEADER, 1656 NFTA_TRACE_TRANSPORT_HEADER, 1657 NFTA_TRACE_IIF, 1658 NFTA_TRACE_IIFTYPE, 1659 NFTA_TRACE_OIF, 1660 NFTA_TRACE_OIFTYPE, 1661 NFTA_TRACE_MARK, 1662 NFTA_TRACE_NFPROTO, 1663 NFTA_TRACE_POLICY, 1664 NFTA_TRACE_PAD, 1665 __NFTA_TRACE_MAX 1666 }; 1667 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1) 1668 1669 enum nft_trace_types { 1670 NFT_TRACETYPE_UNSPEC, 1671 NFT_TRACETYPE_POLICY, 1672 NFT_TRACETYPE_RETURN, 1673 NFT_TRACETYPE_RULE, 1674 __NFT_TRACETYPE_MAX 1675 }; 1676 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) 1677 1678 /** 1679 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes 1680 * 1681 * @NFTA_NG_DREG: destination register (NLA_U32) 1682 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) 1683 * @NFTA_NG_TYPE: operation type (NLA_U32) 1684 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) 1685 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING) 1686 * @NFTA_NG_SET_ID: id of the map (NLA_U32) 1687 */ 1688 enum nft_ng_attributes { 1689 NFTA_NG_UNSPEC, 1690 NFTA_NG_DREG, 1691 NFTA_NG_MODULUS, 1692 NFTA_NG_TYPE, 1693 NFTA_NG_OFFSET, 1694 NFTA_NG_SET_NAME, /* deprecated */ 1695 NFTA_NG_SET_ID, /* deprecated */ 1696 __NFTA_NG_MAX 1697 }; 1698 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1) 1699 1700 enum nft_ng_types { 1701 NFT_NG_INCREMENTAL, 1702 NFT_NG_RANDOM, 1703 __NFT_NG_MAX 1704 }; 1705 #define NFT_NG_MAX (__NFT_NG_MAX - 1) 1706 1707 enum nft_tunnel_key_ip_attributes { 1708 NFTA_TUNNEL_KEY_IP_UNSPEC, 1709 NFTA_TUNNEL_KEY_IP_SRC, 1710 NFTA_TUNNEL_KEY_IP_DST, 1711 __NFTA_TUNNEL_KEY_IP_MAX 1712 }; 1713 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1) 1714 1715 enum nft_tunnel_ip6_attributes { 1716 NFTA_TUNNEL_KEY_IP6_UNSPEC, 1717 NFTA_TUNNEL_KEY_IP6_SRC, 1718 NFTA_TUNNEL_KEY_IP6_DST, 1719 NFTA_TUNNEL_KEY_IP6_FLOWLABEL, 1720 __NFTA_TUNNEL_KEY_IP6_MAX 1721 }; 1722 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1) 1723 1724 enum nft_tunnel_opts_attributes { 1725 NFTA_TUNNEL_KEY_OPTS_UNSPEC, 1726 NFTA_TUNNEL_KEY_OPTS_VXLAN, 1727 NFTA_TUNNEL_KEY_OPTS_ERSPAN, 1728 __NFTA_TUNNEL_KEY_OPTS_MAX 1729 }; 1730 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1) 1731 1732 enum nft_tunnel_opts_vxlan_attributes { 1733 NFTA_TUNNEL_KEY_VXLAN_UNSPEC, 1734 NFTA_TUNNEL_KEY_VXLAN_GBP, 1735 __NFTA_TUNNEL_KEY_VXLAN_MAX 1736 }; 1737 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1) 1738 1739 enum nft_tunnel_opts_erspan_attributes { 1740 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC, 1741 NFTA_TUNNEL_KEY_ERSPAN_VERSION, 1742 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX, 1743 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID, 1744 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR, 1745 __NFTA_TUNNEL_KEY_ERSPAN_MAX 1746 }; 1747 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1) 1748 1749 enum nft_tunnel_flags { 1750 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0), 1751 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1), 1752 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2), 1753 }; 1754 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \ 1755 NFT_TUNNEL_F_DONT_FRAGMENT | \ 1756 NFT_TUNNEL_F_SEQ_NUMBER) 1757 1758 enum nft_tunnel_key_attributes { 1759 NFTA_TUNNEL_KEY_UNSPEC, 1760 NFTA_TUNNEL_KEY_ID, 1761 NFTA_TUNNEL_KEY_IP, 1762 NFTA_TUNNEL_KEY_IP6, 1763 NFTA_TUNNEL_KEY_FLAGS, 1764 NFTA_TUNNEL_KEY_TOS, 1765 NFTA_TUNNEL_KEY_TTL, 1766 NFTA_TUNNEL_KEY_SPORT, 1767 NFTA_TUNNEL_KEY_DPORT, 1768 NFTA_TUNNEL_KEY_OPTS, 1769 __NFTA_TUNNEL_KEY_MAX 1770 }; 1771 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1) 1772 1773 enum nft_tunnel_keys { 1774 NFT_TUNNEL_PATH, 1775 NFT_TUNNEL_ID, 1776 __NFT_TUNNEL_MAX 1777 }; 1778 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1) 1779 1780 enum nft_tunnel_mode { 1781 NFT_TUNNEL_MODE_NONE, 1782 NFT_TUNNEL_MODE_RX, 1783 NFT_TUNNEL_MODE_TX, 1784 __NFT_TUNNEL_MODE_MAX 1785 }; 1786 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1) 1787 1788 enum nft_tunnel_attributes { 1789 NFTA_TUNNEL_UNSPEC, 1790 NFTA_TUNNEL_KEY, 1791 NFTA_TUNNEL_DREG, 1792 NFTA_TUNNEL_MODE, 1793 __NFTA_TUNNEL_MAX 1794 }; 1795 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1) 1796 1797 #endif /* _LINUX_NF_TABLES_H */ 1798
