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_UNSPEC, 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 #define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT) 166 167 /** 168 * enum nft_table_attributes - nf_tables table netlink attributes 169 * 170 * @NFTA_TABLE_NAME: name of the table (NLA_STRING) 171 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) 172 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) 173 */ 174 enum nft_table_attributes { 175 NFTA_TABLE_UNSPEC, 176 NFTA_TABLE_NAME, 177 NFTA_TABLE_FLAGS, 178 NFTA_TABLE_USE, 179 NFTA_TABLE_HANDLE, 180 NFTA_TABLE_PAD, 181 __NFTA_TABLE_MAX 182 }; 183 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) 184 185 /** 186 * enum nft_chain_attributes - nf_tables chain netlink attributes 187 * 188 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) 189 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) 190 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) 191 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) 192 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) 193 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) 194 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) 195 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) 196 * @NFTA_CHAIN_FLAGS: chain flags 197 */ 198 enum nft_chain_attributes { 199 NFTA_CHAIN_UNSPEC, 200 NFTA_CHAIN_TABLE, 201 NFTA_CHAIN_HANDLE, 202 NFTA_CHAIN_NAME, 203 NFTA_CHAIN_HOOK, 204 NFTA_CHAIN_POLICY, 205 NFTA_CHAIN_USE, 206 NFTA_CHAIN_TYPE, 207 NFTA_CHAIN_COUNTERS, 208 NFTA_CHAIN_PAD, 209 NFTA_CHAIN_FLAGS, 210 __NFTA_CHAIN_MAX 211 }; 212 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) 213 214 /** 215 * enum nft_rule_attributes - nf_tables rule netlink attributes 216 * 217 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) 218 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) 219 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) 220 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) 221 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) 222 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) 223 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) 224 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32) 225 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32) 226 */ 227 enum nft_rule_attributes { 228 NFTA_RULE_UNSPEC, 229 NFTA_RULE_TABLE, 230 NFTA_RULE_CHAIN, 231 NFTA_RULE_HANDLE, 232 NFTA_RULE_EXPRESSIONS, 233 NFTA_RULE_COMPAT, 234 NFTA_RULE_POSITION, 235 NFTA_RULE_USERDATA, 236 NFTA_RULE_PAD, 237 NFTA_RULE_ID, 238 NFTA_RULE_POSITION_ID, 239 __NFTA_RULE_MAX 240 }; 241 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) 242 243 /** 244 * enum nft_rule_compat_flags - nf_tables rule compat flags 245 * 246 * @NFT_RULE_COMPAT_F_UNUSED: unused 247 * @NFT_RULE_COMPAT_F_INV: invert the check result 248 */ 249 enum nft_rule_compat_flags { 250 NFT_RULE_COMPAT_F_UNUSED = (1 << 0), 251 NFT_RULE_COMPAT_F_INV = (1 << 1), 252 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, 253 }; 254 255 /** 256 * enum nft_rule_compat_attributes - nf_tables rule compat attributes 257 * 258 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32) 259 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) 260 */ 261 enum nft_rule_compat_attributes { 262 NFTA_RULE_COMPAT_UNSPEC, 263 NFTA_RULE_COMPAT_PROTO, 264 NFTA_RULE_COMPAT_FLAGS, 265 __NFTA_RULE_COMPAT_MAX 266 }; 267 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) 268 269 /** 270 * enum nft_set_flags - nf_tables set flags 271 * 272 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink 273 * @NFT_SET_CONSTANT: set contents may not change while bound 274 * @NFT_SET_INTERVAL: set contains intervals 275 * @NFT_SET_MAP: set is used as a dictionary 276 * @NFT_SET_TIMEOUT: set uses timeouts 277 * @NFT_SET_EVAL: set can be updated from the evaluation path 278 * @NFT_SET_OBJECT: set contains stateful objects 279 */ 280 enum nft_set_flags { 281 NFT_SET_ANONYMOUS = 0x1, 282 NFT_SET_CONSTANT = 0x2, 283 NFT_SET_INTERVAL = 0x4, 284 NFT_SET_MAP = 0x8, 285 NFT_SET_TIMEOUT = 0x10, 286 NFT_SET_EVAL = 0x20, 287 NFT_SET_OBJECT = 0x40, 288 }; 289 290 /** 291 * enum nft_set_policies - set selection policy 292 * 293 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use 294 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance 295 */ 296 enum nft_set_policies { 297 NFT_SET_POL_PERFORMANCE, 298 NFT_SET_POL_MEMORY, 299 }; 300 301 /** 302 * enum nft_set_desc_attributes - set element description 303 * 304 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) 305 */ 306 enum nft_set_desc_attributes { 307 NFTA_SET_DESC_UNSPEC, 308 NFTA_SET_DESC_SIZE, 309 __NFTA_SET_DESC_MAX 310 }; 311 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) 312 313 /** 314 * enum nft_set_attributes - nf_tables set netlink attributes 315 * 316 * @NFTA_SET_TABLE: table name (NLA_STRING) 317 * @NFTA_SET_NAME: set name (NLA_STRING) 318 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) 319 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) 320 * @NFTA_SET_KEY_LEN: key data length (NLA_U32) 321 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) 322 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) 323 * @NFTA_SET_POLICY: selection policy (NLA_U32) 324 * @NFTA_SET_DESC: set description (NLA_NESTED) 325 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 326 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) 327 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) 328 * @NFTA_SET_USERDATA: user data (NLA_BINARY) 329 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*) 330 * @NFTA_SET_HANDLE: set handle (NLA_U64) 331 */ 332 enum nft_set_attributes { 333 NFTA_SET_UNSPEC, 334 NFTA_SET_TABLE, 335 NFTA_SET_NAME, 336 NFTA_SET_FLAGS, 337 NFTA_SET_KEY_TYPE, 338 NFTA_SET_KEY_LEN, 339 NFTA_SET_DATA_TYPE, 340 NFTA_SET_DATA_LEN, 341 NFTA_SET_POLICY, 342 NFTA_SET_DESC, 343 NFTA_SET_ID, 344 NFTA_SET_TIMEOUT, 345 NFTA_SET_GC_INTERVAL, 346 NFTA_SET_USERDATA, 347 NFTA_SET_PAD, 348 NFTA_SET_OBJ_TYPE, 349 NFTA_SET_HANDLE, 350 __NFTA_SET_MAX 351 }; 352 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) 353 354 /** 355 * enum nft_set_elem_flags - nf_tables set element flags 356 * 357 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval 358 */ 359 enum nft_set_elem_flags { 360 NFT_SET_ELEM_INTERVAL_END = 0x1, 361 }; 362 363 /** 364 * enum nft_set_elem_attributes - nf_tables set element netlink attributes 365 * 366 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) 367 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) 368 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) 369 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64) 370 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) 371 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) 372 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) 373 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING) 374 */ 375 enum nft_set_elem_attributes { 376 NFTA_SET_ELEM_UNSPEC, 377 NFTA_SET_ELEM_KEY, 378 NFTA_SET_ELEM_DATA, 379 NFTA_SET_ELEM_FLAGS, 380 NFTA_SET_ELEM_TIMEOUT, 381 NFTA_SET_ELEM_EXPIRATION, 382 NFTA_SET_ELEM_USERDATA, 383 NFTA_SET_ELEM_EXPR, 384 NFTA_SET_ELEM_PAD, 385 NFTA_SET_ELEM_OBJREF, 386 __NFTA_SET_ELEM_MAX 387 }; 388 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) 389 390 /** 391 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes 392 * 393 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) 394 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) 395 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) 396 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 397 */ 398 enum nft_set_elem_list_attributes { 399 NFTA_SET_ELEM_LIST_UNSPEC, 400 NFTA_SET_ELEM_LIST_TABLE, 401 NFTA_SET_ELEM_LIST_SET, 402 NFTA_SET_ELEM_LIST_ELEMENTS, 403 NFTA_SET_ELEM_LIST_SET_ID, 404 __NFTA_SET_ELEM_LIST_MAX 405 }; 406 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) 407 408 /** 409 * enum nft_data_types - nf_tables data types 410 * 411 * @NFT_DATA_VALUE: generic data 412 * @NFT_DATA_VERDICT: netfilter verdict 413 * 414 * The type of data is usually determined by the kernel directly and is not 415 * explicitly specified by userspace. The only difference are sets, where 416 * userspace specifies the key and mapping data types. 417 * 418 * The values 0xffffff00-0xffffffff are reserved for internally used types. 419 * The remaining range can be freely used by userspace to encode types, all 420 * values are equivalent to NFT_DATA_VALUE. 421 */ 422 enum nft_data_types { 423 NFT_DATA_VALUE, 424 NFT_DATA_VERDICT = 0xffffff00U, 425 }; 426 427 #define NFT_DATA_RESERVED_MASK 0xffffff00U 428 429 /** 430 * enum nft_data_attributes - nf_tables data netlink attributes 431 * 432 * @NFTA_DATA_VALUE: generic data (NLA_BINARY) 433 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) 434 */ 435 enum nft_data_attributes { 436 NFTA_DATA_UNSPEC, 437 NFTA_DATA_VALUE, 438 NFTA_DATA_VERDICT, 439 __NFTA_DATA_MAX 440 }; 441 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) 442 443 /* Maximum length of a value */ 444 #define NFT_DATA_VALUE_MAXLEN 64 445 446 /** 447 * enum nft_verdict_attributes - nf_tables verdict netlink attributes 448 * 449 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) 450 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) 451 */ 452 enum nft_verdict_attributes { 453 NFTA_VERDICT_UNSPEC, 454 NFTA_VERDICT_CODE, 455 NFTA_VERDICT_CHAIN, 456 __NFTA_VERDICT_MAX 457 }; 458 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) 459 460 /** 461 * enum nft_expr_attributes - nf_tables expression netlink attributes 462 * 463 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) 464 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) 465 */ 466 enum nft_expr_attributes { 467 NFTA_EXPR_UNSPEC, 468 NFTA_EXPR_NAME, 469 NFTA_EXPR_DATA, 470 __NFTA_EXPR_MAX 471 }; 472 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) 473 474 /** 475 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes 476 * 477 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) 478 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) 479 */ 480 enum nft_immediate_attributes { 481 NFTA_IMMEDIATE_UNSPEC, 482 NFTA_IMMEDIATE_DREG, 483 NFTA_IMMEDIATE_DATA, 484 __NFTA_IMMEDIATE_MAX 485 }; 486 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) 487 488 /** 489 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes 490 * 491 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) 492 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) 493 * @NFTA_BITWISE_LEN: length of operands (NLA_U32) 494 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) 495 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) 496 * 497 * The bitwise expression performs the following operation: 498 * 499 * dreg = (sreg & mask) ^ xor 500 * 501 * which allow to express all bitwise operations: 502 * 503 * mask xor 504 * NOT: 1 1 505 * OR: 0 x 506 * XOR: 1 x 507 * AND: x 0 508 */ 509 enum nft_bitwise_attributes { 510 NFTA_BITWISE_UNSPEC, 511 NFTA_BITWISE_SREG, 512 NFTA_BITWISE_DREG, 513 NFTA_BITWISE_LEN, 514 NFTA_BITWISE_MASK, 515 NFTA_BITWISE_XOR, 516 __NFTA_BITWISE_MAX 517 }; 518 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) 519 520 /** 521 * enum nft_byteorder_ops - nf_tables byteorder operators 522 * 523 * @NFT_BYTEORDER_NTOH: network to host operator 524 * @NFT_BYTEORDER_HTON: host to network operator 525 */ 526 enum nft_byteorder_ops { 527 NFT_BYTEORDER_NTOH, 528 NFT_BYTEORDER_HTON, 529 }; 530 531 /** 532 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes 533 * 534 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) 535 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) 536 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) 537 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) 538 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) 539 */ 540 enum nft_byteorder_attributes { 541 NFTA_BYTEORDER_UNSPEC, 542 NFTA_BYTEORDER_SREG, 543 NFTA_BYTEORDER_DREG, 544 NFTA_BYTEORDER_OP, 545 NFTA_BYTEORDER_LEN, 546 NFTA_BYTEORDER_SIZE, 547 __NFTA_BYTEORDER_MAX 548 }; 549 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) 550 551 /** 552 * enum nft_cmp_ops - nf_tables relational operator 553 * 554 * @NFT_CMP_EQ: equal 555 * @NFT_CMP_NEQ: not equal 556 * @NFT_CMP_LT: less than 557 * @NFT_CMP_LTE: less than or equal to 558 * @NFT_CMP_GT: greater than 559 * @NFT_CMP_GTE: greater than or equal to 560 */ 561 enum nft_cmp_ops { 562 NFT_CMP_EQ, 563 NFT_CMP_NEQ, 564 NFT_CMP_LT, 565 NFT_CMP_LTE, 566 NFT_CMP_GT, 567 NFT_CMP_GTE, 568 }; 569 570 /** 571 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes 572 * 573 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) 574 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) 575 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) 576 */ 577 enum nft_cmp_attributes { 578 NFTA_CMP_UNSPEC, 579 NFTA_CMP_SREG, 580 NFTA_CMP_OP, 581 NFTA_CMP_DATA, 582 __NFTA_CMP_MAX 583 }; 584 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) 585 586 /** 587 * enum nft_range_ops - nf_tables range operator 588 * 589 * @NFT_RANGE_EQ: equal 590 * @NFT_RANGE_NEQ: not equal 591 */ 592 enum nft_range_ops { 593 NFT_RANGE_EQ, 594 NFT_RANGE_NEQ, 595 }; 596 597 /** 598 * enum nft_range_attributes - nf_tables range expression netlink attributes 599 * 600 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) 601 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops) 602 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) 603 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) 604 */ 605 enum nft_range_attributes { 606 NFTA_RANGE_UNSPEC, 607 NFTA_RANGE_SREG, 608 NFTA_RANGE_OP, 609 NFTA_RANGE_FROM_DATA, 610 NFTA_RANGE_TO_DATA, 611 __NFTA_RANGE_MAX 612 }; 613 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1) 614 615 enum nft_lookup_flags { 616 NFT_LOOKUP_F_INV = (1 << 0), 617 }; 618 619 /** 620 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes 621 * 622 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) 623 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) 624 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) 625 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 626 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) 627 */ 628 enum nft_lookup_attributes { 629 NFTA_LOOKUP_UNSPEC, 630 NFTA_LOOKUP_SET, 631 NFTA_LOOKUP_SREG, 632 NFTA_LOOKUP_DREG, 633 NFTA_LOOKUP_SET_ID, 634 NFTA_LOOKUP_FLAGS, 635 __NFTA_LOOKUP_MAX 636 }; 637 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) 638 639 enum nft_dynset_ops { 640 NFT_DYNSET_OP_ADD, 641 NFT_DYNSET_OP_UPDATE, 642 NFT_DYNSET_OP_DELETE, 643 }; 644 645 enum nft_dynset_flags { 646 NFT_DYNSET_F_INV = (1 << 0), 647 }; 648 649 /** 650 * enum nft_dynset_attributes - dynset expression attributes 651 * 652 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) 653 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) 654 * @NFTA_DYNSET_OP: operation (NLA_U32) 655 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) 656 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) 657 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) 658 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) 659 * @NFTA_DYNSET_FLAGS: flags (NLA_U32) 660 */ 661 enum nft_dynset_attributes { 662 NFTA_DYNSET_UNSPEC, 663 NFTA_DYNSET_SET_NAME, 664 NFTA_DYNSET_SET_ID, 665 NFTA_DYNSET_OP, 666 NFTA_DYNSET_SREG_KEY, 667 NFTA_DYNSET_SREG_DATA, 668 NFTA_DYNSET_TIMEOUT, 669 NFTA_DYNSET_EXPR, 670 NFTA_DYNSET_PAD, 671 NFTA_DYNSET_FLAGS, 672 __NFTA_DYNSET_MAX, 673 }; 674 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) 675 676 /** 677 * enum nft_payload_bases - nf_tables payload expression offset bases 678 * 679 * @NFT_PAYLOAD_LL_HEADER: link layer header 680 * @NFT_PAYLOAD_NETWORK_HEADER: network header 681 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header 682 */ 683 enum nft_payload_bases { 684 NFT_PAYLOAD_LL_HEADER, 685 NFT_PAYLOAD_NETWORK_HEADER, 686 NFT_PAYLOAD_TRANSPORT_HEADER, 687 }; 688 689 /** 690 * enum nft_payload_csum_types - nf_tables payload expression checksum types 691 * 692 * @NFT_PAYLOAD_CSUM_NONE: no checksumming 693 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) 694 */ 695 enum nft_payload_csum_types { 696 NFT_PAYLOAD_CSUM_NONE, 697 NFT_PAYLOAD_CSUM_INET, 698 }; 699 700 enum nft_payload_csum_flags { 701 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0), 702 }; 703 704 /** 705 * enum nft_payload_attributes - nf_tables payload expression netlink attributes 706 * 707 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) 708 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) 709 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) 710 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) 711 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) 712 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) 713 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) 714 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32) 715 */ 716 enum nft_payload_attributes { 717 NFTA_PAYLOAD_UNSPEC, 718 NFTA_PAYLOAD_DREG, 719 NFTA_PAYLOAD_BASE, 720 NFTA_PAYLOAD_OFFSET, 721 NFTA_PAYLOAD_LEN, 722 NFTA_PAYLOAD_SREG, 723 NFTA_PAYLOAD_CSUM_TYPE, 724 NFTA_PAYLOAD_CSUM_OFFSET, 725 NFTA_PAYLOAD_CSUM_FLAGS, 726 __NFTA_PAYLOAD_MAX 727 }; 728 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) 729 730 enum nft_exthdr_flags { 731 NFT_EXTHDR_F_PRESENT = (1 << 0), 732 }; 733 734 /** 735 * enum nft_exthdr_op - nf_tables match options 736 * 737 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers 738 * @NFT_EXTHDR_OP_TCP: match against tcp options 739 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options 740 */ 741 enum nft_exthdr_op { 742 NFT_EXTHDR_OP_IPV6, 743 NFT_EXTHDR_OP_TCPOPT, 744 NFT_EXTHDR_OP_IPV4, 745 __NFT_EXTHDR_OP_MAX 746 }; 747 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1) 748 749 /** 750 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes 751 * 752 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) 753 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) 754 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) 755 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) 756 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32) 757 * @NFTA_EXTHDR_OP: option match type (NLA_U32) 758 * @NFTA_EXTHDR_SREG: option match type (NLA_U32) 759 */ 760 enum nft_exthdr_attributes { 761 NFTA_EXTHDR_UNSPEC, 762 NFTA_EXTHDR_DREG, 763 NFTA_EXTHDR_TYPE, 764 NFTA_EXTHDR_OFFSET, 765 NFTA_EXTHDR_LEN, 766 NFTA_EXTHDR_FLAGS, 767 NFTA_EXTHDR_OP, 768 NFTA_EXTHDR_SREG, 769 __NFTA_EXTHDR_MAX 770 }; 771 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) 772 773 /** 774 * enum nft_meta_keys - nf_tables meta expression keys 775 * 776 * @NFT_META_LEN: packet length (skb->len) 777 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT 778 * @NFT_META_PRIORITY: packet priority (skb->priority) 779 * @NFT_META_MARK: packet mark (skb->mark) 780 * @NFT_META_IIF: packet input interface index (dev->ifindex) 781 * @NFT_META_OIF: packet output interface index (dev->ifindex) 782 * @NFT_META_IIFNAME: packet input interface name (dev->name) 783 * @NFT_META_OIFNAME: packet output interface name (dev->name) 784 * @NFT_META_IIFTYPE: packet input interface type (dev->type) 785 * @NFT_META_OIFTYPE: packet output interface type (dev->type) 786 * @NFT_META_SKUID: originating socket UID (fsuid) 787 * @NFT_META_SKGID: originating socket GID (fsgid) 788 * @NFT_META_NFTRACE: packet nftrace bit 789 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) 790 * @NFT_META_SECMARK: packet secmark (skb->secmark) 791 * @NFT_META_NFPROTO: netfilter protocol 792 * @NFT_META_L4PROTO: layer 4 protocol number 793 * @NFT_META_BRI_IIFNAME: packet input bridge interface name 794 * @NFT_META_BRI_OIFNAME: packet output bridge interface name 795 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback 796 * @NFT_META_CPU: cpu id through smp_processor_id() 797 * @NFT_META_IIFGROUP: packet input interface group 798 * @NFT_META_OIFGROUP: packet output interface group 799 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) 800 * @NFT_META_PRANDOM: a 32bit pseudo-random number 801 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp) 802 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind) 803 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind) 804 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid 805 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto 806 * @NFT_META_TIME_NS: time since epoch (in nanoseconds) 807 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday) 808 * @NFT_META_TIME_HOUR: hour of day (in seconds) 809 */ 810 enum nft_meta_keys { 811 NFT_META_LEN, 812 NFT_META_PROTOCOL, 813 NFT_META_PRIORITY, 814 NFT_META_MARK, 815 NFT_META_IIF, 816 NFT_META_OIF, 817 NFT_META_IIFNAME, 818 NFT_META_OIFNAME, 819 NFT_META_IIFTYPE, 820 NFT_META_OIFTYPE, 821 NFT_META_SKUID, 822 NFT_META_SKGID, 823 NFT_META_NFTRACE, 824 NFT_META_RTCLASSID, 825 NFT_META_SECMARK, 826 NFT_META_NFPROTO, 827 NFT_META_L4PROTO, 828 NFT_META_BRI_IIFNAME, 829 NFT_META_BRI_OIFNAME, 830 NFT_META_PKTTYPE, 831 NFT_META_CPU, 832 NFT_META_IIFGROUP, 833 NFT_META_OIFGROUP, 834 NFT_META_CGROUP, 835 NFT_META_PRANDOM, 836 NFT_META_SECPATH, 837 NFT_META_IIFKIND, 838 NFT_META_OIFKIND, 839 NFT_META_BRI_IIFPVID, 840 NFT_META_BRI_IIFVPROTO, 841 NFT_META_TIME_NS, 842 NFT_META_TIME_DAY, 843 NFT_META_TIME_HOUR, 844 }; 845 846 /** 847 * enum nft_rt_keys - nf_tables routing expression keys 848 * 849 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid) 850 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4 851 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6 852 * @NFT_RT_TCPMSS: fetch current path tcp mss 853 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL 854 */ 855 enum nft_rt_keys { 856 NFT_RT_CLASSID, 857 NFT_RT_NEXTHOP4, 858 NFT_RT_NEXTHOP6, 859 NFT_RT_TCPMSS, 860 NFT_RT_XFRM, 861 __NFT_RT_MAX 862 }; 863 #define NFT_RT_MAX (__NFT_RT_MAX - 1) 864 865 /** 866 * enum nft_hash_types - nf_tables hash expression types 867 * 868 * @NFT_HASH_JENKINS: Jenkins Hash 869 * @NFT_HASH_SYM: Symmetric Hash 870 */ 871 enum nft_hash_types { 872 NFT_HASH_JENKINS, 873 NFT_HASH_SYM, 874 }; 875 876 /** 877 * enum nft_hash_attributes - nf_tables hash expression netlink attributes 878 * 879 * @NFTA_HASH_SREG: source register (NLA_U32) 880 * @NFTA_HASH_DREG: destination register (NLA_U32) 881 * @NFTA_HASH_LEN: source data length (NLA_U32) 882 * @NFTA_HASH_MODULUS: modulus value (NLA_U32) 883 * @NFTA_HASH_SEED: seed value (NLA_U32) 884 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) 885 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types) 886 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING) 887 * @NFTA_HASH_SET_ID: id of the map (NLA_U32) 888 */ 889 enum nft_hash_attributes { 890 NFTA_HASH_UNSPEC, 891 NFTA_HASH_SREG, 892 NFTA_HASH_DREG, 893 NFTA_HASH_LEN, 894 NFTA_HASH_MODULUS, 895 NFTA_HASH_SEED, 896 NFTA_HASH_OFFSET, 897 NFTA_HASH_TYPE, 898 NFTA_HASH_SET_NAME, /* deprecated */ 899 NFTA_HASH_SET_ID, /* deprecated */ 900 __NFTA_HASH_MAX, 901 }; 902 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1) 903 904 /** 905 * enum nft_meta_attributes - nf_tables meta expression netlink attributes 906 * 907 * @NFTA_META_DREG: destination register (NLA_U32) 908 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) 909 * @NFTA_META_SREG: source register (NLA_U32) 910 */ 911 enum nft_meta_attributes { 912 NFTA_META_UNSPEC, 913 NFTA_META_DREG, 914 NFTA_META_KEY, 915 NFTA_META_SREG, 916 __NFTA_META_MAX 917 }; 918 #define NFTA_META_MAX (__NFTA_META_MAX - 1) 919 920 /** 921 * enum nft_rt_attributes - nf_tables routing expression netlink attributes 922 * 923 * @NFTA_RT_DREG: destination register (NLA_U32) 924 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys) 925 */ 926 enum nft_rt_attributes { 927 NFTA_RT_UNSPEC, 928 NFTA_RT_DREG, 929 NFTA_RT_KEY, 930 __NFTA_RT_MAX 931 }; 932 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1) 933 934 /** 935 * enum nft_socket_attributes - nf_tables socket expression netlink attributes 936 * 937 * @NFTA_SOCKET_KEY: socket key to match 938 * @NFTA_SOCKET_DREG: destination register 939 */ 940 enum nft_socket_attributes { 941 NFTA_SOCKET_UNSPEC, 942 NFTA_SOCKET_KEY, 943 NFTA_SOCKET_DREG, 944 __NFTA_SOCKET_MAX 945 }; 946 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1) 947 948 /* 949 * enum nft_socket_keys - nf_tables socket expression keys 950 * 951 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option 952 * @NFT_SOCKET_MARK: Value of the socket mark 953 */ 954 enum nft_socket_keys { 955 NFT_SOCKET_TRANSPARENT, 956 NFT_SOCKET_MARK, 957 __NFT_SOCKET_MAX 958 }; 959 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1) 960 961 /** 962 * enum nft_ct_keys - nf_tables ct expression keys 963 * 964 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) 965 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) 966 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) 967 * @NFT_CT_MARK: conntrack mark value 968 * @NFT_CT_SECMARK: conntrack secmark value 969 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms 970 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack 971 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol 972 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated) 973 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated) 974 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol 975 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source 976 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination 977 * @NFT_CT_LABELS: conntrack labels 978 * @NFT_CT_PKTS: conntrack packets 979 * @NFT_CT_BYTES: conntrack bytes 980 * @NFT_CT_AVGPKT: conntrack average bytes per packet 981 * @NFT_CT_ZONE: conntrack zone 982 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack 983 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address) 984 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address) 985 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address) 986 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address) 987 * @NFT_CT_ID: conntrack id 988 */ 989 enum nft_ct_keys { 990 NFT_CT_STATE, 991 NFT_CT_DIRECTION, 992 NFT_CT_STATUS, 993 NFT_CT_MARK, 994 NFT_CT_SECMARK, 995 NFT_CT_EXPIRATION, 996 NFT_CT_HELPER, 997 NFT_CT_L3PROTOCOL, 998 NFT_CT_SRC, 999 NFT_CT_DST, 1000 NFT_CT_PROTOCOL, 1001 NFT_CT_PROTO_SRC, 1002 NFT_CT_PROTO_DST, 1003 NFT_CT_LABELS, 1004 NFT_CT_PKTS, 1005 NFT_CT_BYTES, 1006 NFT_CT_AVGPKT, 1007 NFT_CT_ZONE, 1008 NFT_CT_EVENTMASK, 1009 NFT_CT_SRC_IP, 1010 NFT_CT_DST_IP, 1011 NFT_CT_SRC_IP6, 1012 NFT_CT_DST_IP6, 1013 NFT_CT_ID, 1014 __NFT_CT_MAX 1015 }; 1016 #define NFT_CT_MAX (__NFT_CT_MAX - 1) 1017 1018 /** 1019 * enum nft_ct_attributes - nf_tables ct expression netlink attributes 1020 * 1021 * @NFTA_CT_DREG: destination register (NLA_U32) 1022 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) 1023 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) 1024 * @NFTA_CT_SREG: source register (NLA_U32) 1025 */ 1026 enum nft_ct_attributes { 1027 NFTA_CT_UNSPEC, 1028 NFTA_CT_DREG, 1029 NFTA_CT_KEY, 1030 NFTA_CT_DIRECTION, 1031 NFTA_CT_SREG, 1032 __NFTA_CT_MAX 1033 }; 1034 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) 1035 1036 /** 1037 * enum nft_flow_attributes - ct offload expression attributes 1038 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING) 1039 */ 1040 enum nft_offload_attributes { 1041 NFTA_FLOW_UNSPEC, 1042 NFTA_FLOW_TABLE_NAME, 1043 __NFTA_FLOW_MAX, 1044 }; 1045 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1) 1046 1047 enum nft_limit_type { 1048 NFT_LIMIT_PKTS, 1049 NFT_LIMIT_PKT_BYTES 1050 }; 1051 1052 enum nft_limit_flags { 1053 NFT_LIMIT_F_INV = (1 << 0), 1054 }; 1055 1056 /** 1057 * enum nft_limit_attributes - nf_tables limit expression netlink attributes 1058 * 1059 * @NFTA_LIMIT_RATE: refill rate (NLA_U64) 1060 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) 1061 * @NFTA_LIMIT_BURST: burst (NLA_U32) 1062 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) 1063 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) 1064 */ 1065 enum nft_limit_attributes { 1066 NFTA_LIMIT_UNSPEC, 1067 NFTA_LIMIT_RATE, 1068 NFTA_LIMIT_UNIT, 1069 NFTA_LIMIT_BURST, 1070 NFTA_LIMIT_TYPE, 1071 NFTA_LIMIT_FLAGS, 1072 NFTA_LIMIT_PAD, 1073 __NFTA_LIMIT_MAX 1074 }; 1075 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) 1076 1077 enum nft_connlimit_flags { 1078 NFT_CONNLIMIT_F_INV = (1 << 0), 1079 }; 1080 1081 /** 1082 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes 1083 * 1084 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32) 1085 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags) 1086 */ 1087 enum nft_connlimit_attributes { 1088 NFTA_CONNLIMIT_UNSPEC, 1089 NFTA_CONNLIMIT_COUNT, 1090 NFTA_CONNLIMIT_FLAGS, 1091 __NFTA_CONNLIMIT_MAX 1092 }; 1093 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1) 1094 1095 /** 1096 * enum nft_counter_attributes - nf_tables counter expression netlink attributes 1097 * 1098 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) 1099 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) 1100 */ 1101 enum nft_counter_attributes { 1102 NFTA_COUNTER_UNSPEC, 1103 NFTA_COUNTER_BYTES, 1104 NFTA_COUNTER_PACKETS, 1105 NFTA_COUNTER_PAD, 1106 __NFTA_COUNTER_MAX 1107 }; 1108 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) 1109 1110 /** 1111 * enum nft_log_attributes - nf_tables log expression netlink attributes 1112 * 1113 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32) 1114 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) 1115 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) 1116 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32) 1117 * @NFTA_LOG_LEVEL: log level (NLA_U32) 1118 * @NFTA_LOG_FLAGS: logging flags (NLA_U32) 1119 */ 1120 enum nft_log_attributes { 1121 NFTA_LOG_UNSPEC, 1122 NFTA_LOG_GROUP, 1123 NFTA_LOG_PREFIX, 1124 NFTA_LOG_SNAPLEN, 1125 NFTA_LOG_QTHRESHOLD, 1126 NFTA_LOG_LEVEL, 1127 NFTA_LOG_FLAGS, 1128 __NFTA_LOG_MAX 1129 }; 1130 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) 1131 1132 /** 1133 * enum nft_log_level - nf_tables log levels 1134 * 1135 * @NFT_LOGLEVEL_EMERG: system is unusable 1136 * @NFT_LOGLEVEL_ALERT: action must be taken immediately 1137 * @NFT_LOGLEVEL_CRIT: critical conditions 1138 * @NFT_LOGLEVEL_ERR: error conditions 1139 * @NFT_LOGLEVEL_WARNING: warning conditions 1140 * @NFT_LOGLEVEL_NOTICE: normal but significant condition 1141 * @NFT_LOGLEVEL_INFO: informational 1142 * @NFT_LOGLEVEL_DEBUG: debug-level messages 1143 * @NFT_LOGLEVEL_AUDIT: enabling audit logging 1144 */ 1145 enum nft_log_level { 1146 NFT_LOGLEVEL_EMERG, 1147 NFT_LOGLEVEL_ALERT, 1148 NFT_LOGLEVEL_CRIT, 1149 NFT_LOGLEVEL_ERR, 1150 NFT_LOGLEVEL_WARNING, 1151 NFT_LOGLEVEL_NOTICE, 1152 NFT_LOGLEVEL_INFO, 1153 NFT_LOGLEVEL_DEBUG, 1154 NFT_LOGLEVEL_AUDIT, 1155 __NFT_LOGLEVEL_MAX 1156 }; 1157 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1) 1158 1159 /** 1160 * enum nft_queue_attributes - nf_tables queue expression netlink attributes 1161 * 1162 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) 1163 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) 1164 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) 1165 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) 1166 */ 1167 enum nft_queue_attributes { 1168 NFTA_QUEUE_UNSPEC, 1169 NFTA_QUEUE_NUM, 1170 NFTA_QUEUE_TOTAL, 1171 NFTA_QUEUE_FLAGS, 1172 NFTA_QUEUE_SREG_QNUM, 1173 __NFTA_QUEUE_MAX 1174 }; 1175 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) 1176 1177 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ 1178 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ 1179 #define NFT_QUEUE_FLAG_MASK 0x03 1180 1181 enum nft_quota_flags { 1182 NFT_QUOTA_F_INV = (1 << 0), 1183 NFT_QUOTA_F_DEPLETED = (1 << 1), 1184 }; 1185 1186 /** 1187 * enum nft_quota_attributes - nf_tables quota expression netlink attributes 1188 * 1189 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) 1190 * @NFTA_QUOTA_FLAGS: flags (NLA_U32) 1191 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64) 1192 */ 1193 enum nft_quota_attributes { 1194 NFTA_QUOTA_UNSPEC, 1195 NFTA_QUOTA_BYTES, 1196 NFTA_QUOTA_FLAGS, 1197 NFTA_QUOTA_PAD, 1198 NFTA_QUOTA_CONSUMED, 1199 __NFTA_QUOTA_MAX 1200 }; 1201 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1) 1202 1203 /** 1204 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes 1205 * 1206 * @NFTA_SECMARK_CTX: security context (NLA_STRING) 1207 */ 1208 enum nft_secmark_attributes { 1209 NFTA_SECMARK_UNSPEC, 1210 NFTA_SECMARK_CTX, 1211 __NFTA_SECMARK_MAX, 1212 }; 1213 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) 1214 1215 /* Max security context length */ 1216 #define NFT_SECMARK_CTX_MAXLEN 256 1217 1218 /** 1219 * enum nft_reject_types - nf_tables reject expression reject types 1220 * 1221 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable 1222 * @NFT_REJECT_TCP_RST: reject using TCP RST 1223 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet 1224 */ 1225 enum nft_reject_types { 1226 NFT_REJECT_ICMP_UNREACH, 1227 NFT_REJECT_TCP_RST, 1228 NFT_REJECT_ICMPX_UNREACH, 1229 }; 1230 1231 /** 1232 * enum nft_reject_code - Generic reject codes for IPv4/IPv6 1233 * 1234 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable 1235 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable 1236 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable 1237 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited 1238 * 1239 * These codes are mapped to real ICMP and ICMPv6 codes. 1240 */ 1241 enum nft_reject_inet_code { 1242 NFT_REJECT_ICMPX_NO_ROUTE = 0, 1243 NFT_REJECT_ICMPX_PORT_UNREACH, 1244 NFT_REJECT_ICMPX_HOST_UNREACH, 1245 NFT_REJECT_ICMPX_ADMIN_PROHIBITED, 1246 __NFT_REJECT_ICMPX_MAX 1247 }; 1248 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) 1249 1250 /** 1251 * enum nft_reject_attributes - nf_tables reject expression netlink attributes 1252 * 1253 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) 1254 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) 1255 */ 1256 enum nft_reject_attributes { 1257 NFTA_REJECT_UNSPEC, 1258 NFTA_REJECT_TYPE, 1259 NFTA_REJECT_ICMP_CODE, 1260 __NFTA_REJECT_MAX 1261 }; 1262 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) 1263 1264 /** 1265 * enum nft_nat_types - nf_tables nat expression NAT types 1266 * 1267 * @NFT_NAT_SNAT: source NAT 1268 * @NFT_NAT_DNAT: destination NAT 1269 */ 1270 enum nft_nat_types { 1271 NFT_NAT_SNAT, 1272 NFT_NAT_DNAT, 1273 }; 1274 1275 /** 1276 * enum nft_nat_attributes - nf_tables nat expression netlink attributes 1277 * 1278 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) 1279 * @NFTA_NAT_FAMILY: NAT family (NLA_U32) 1280 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) 1281 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) 1282 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1283 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1284 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1285 */ 1286 enum nft_nat_attributes { 1287 NFTA_NAT_UNSPEC, 1288 NFTA_NAT_TYPE, 1289 NFTA_NAT_FAMILY, 1290 NFTA_NAT_REG_ADDR_MIN, 1291 NFTA_NAT_REG_ADDR_MAX, 1292 NFTA_NAT_REG_PROTO_MIN, 1293 NFTA_NAT_REG_PROTO_MAX, 1294 NFTA_NAT_FLAGS, 1295 __NFTA_NAT_MAX 1296 }; 1297 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) 1298 1299 /** 1300 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes 1301 * 1302 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers) 1303 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers) 1304 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers) 1305 */ 1306 enum nft_tproxy_attributes { 1307 NFTA_TPROXY_UNSPEC, 1308 NFTA_TPROXY_FAMILY, 1309 NFTA_TPROXY_REG_ADDR, 1310 NFTA_TPROXY_REG_PORT, 1311 __NFTA_TPROXY_MAX 1312 }; 1313 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1) 1314 1315 /** 1316 * enum nft_masq_attributes - nf_tables masquerade expression attributes 1317 * 1318 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1319 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1320 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1321 */ 1322 enum nft_masq_attributes { 1323 NFTA_MASQ_UNSPEC, 1324 NFTA_MASQ_FLAGS, 1325 NFTA_MASQ_REG_PROTO_MIN, 1326 NFTA_MASQ_REG_PROTO_MAX, 1327 __NFTA_MASQ_MAX 1328 }; 1329 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) 1330 1331 /** 1332 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes 1333 * 1334 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1335 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1336 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1337 */ 1338 enum nft_redir_attributes { 1339 NFTA_REDIR_UNSPEC, 1340 NFTA_REDIR_REG_PROTO_MIN, 1341 NFTA_REDIR_REG_PROTO_MAX, 1342 NFTA_REDIR_FLAGS, 1343 __NFTA_REDIR_MAX 1344 }; 1345 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) 1346 1347 /** 1348 * enum nft_dup_attributes - nf_tables dup expression netlink attributes 1349 * 1350 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) 1351 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1352 */ 1353 enum nft_dup_attributes { 1354 NFTA_DUP_UNSPEC, 1355 NFTA_DUP_SREG_ADDR, 1356 NFTA_DUP_SREG_DEV, 1357 __NFTA_DUP_MAX 1358 }; 1359 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) 1360 1361 /** 1362 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes 1363 * 1364 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1365 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register) 1366 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto) 1367 */ 1368 enum nft_fwd_attributes { 1369 NFTA_FWD_UNSPEC, 1370 NFTA_FWD_SREG_DEV, 1371 NFTA_FWD_SREG_ADDR, 1372 NFTA_FWD_NFPROTO, 1373 __NFTA_FWD_MAX 1374 }; 1375 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1) 1376 1377 /** 1378 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes 1379 * 1380 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register) 1381 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING) 1382 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers) 1383 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING) 1384 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32) 1385 */ 1386 enum nft_objref_attributes { 1387 NFTA_OBJREF_UNSPEC, 1388 NFTA_OBJREF_IMM_TYPE, 1389 NFTA_OBJREF_IMM_NAME, 1390 NFTA_OBJREF_SET_SREG, 1391 NFTA_OBJREF_SET_NAME, 1392 NFTA_OBJREF_SET_ID, 1393 __NFTA_OBJREF_MAX 1394 }; 1395 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1) 1396 1397 /** 1398 * enum nft_gen_attributes - nf_tables ruleset generation attributes 1399 * 1400 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) 1401 */ 1402 enum nft_gen_attributes { 1403 NFTA_GEN_UNSPEC, 1404 NFTA_GEN_ID, 1405 NFTA_GEN_PROC_PID, 1406 NFTA_GEN_PROC_NAME, 1407 __NFTA_GEN_MAX 1408 }; 1409 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) 1410 1411 /* 1412 * enum nft_fib_attributes - nf_tables fib expression netlink attributes 1413 * 1414 * @NFTA_FIB_DREG: destination register (NLA_U32) 1415 * @NFTA_FIB_RESULT: desired result (NLA_U32) 1416 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) 1417 * 1418 * The FIB expression performs a route lookup according 1419 * to the packet data. 1420 */ 1421 enum nft_fib_attributes { 1422 NFTA_FIB_UNSPEC, 1423 NFTA_FIB_DREG, 1424 NFTA_FIB_RESULT, 1425 NFTA_FIB_FLAGS, 1426 __NFTA_FIB_MAX 1427 }; 1428 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1) 1429 1430 enum nft_fib_result { 1431 NFT_FIB_RESULT_UNSPEC, 1432 NFT_FIB_RESULT_OIF, 1433 NFT_FIB_RESULT_OIFNAME, 1434 NFT_FIB_RESULT_ADDRTYPE, 1435 __NFT_FIB_RESULT_MAX 1436 }; 1437 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1) 1438 1439 enum nft_fib_flags { 1440 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */ 1441 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */ 1442 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */ 1443 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */ 1444 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */ 1445 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */ 1446 }; 1447 1448 enum nft_ct_helper_attributes { 1449 NFTA_CT_HELPER_UNSPEC, 1450 NFTA_CT_HELPER_NAME, 1451 NFTA_CT_HELPER_L3PROTO, 1452 NFTA_CT_HELPER_L4PROTO, 1453 __NFTA_CT_HELPER_MAX, 1454 }; 1455 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1) 1456 1457 enum nft_ct_timeout_timeout_attributes { 1458 NFTA_CT_TIMEOUT_UNSPEC, 1459 NFTA_CT_TIMEOUT_L3PROTO, 1460 NFTA_CT_TIMEOUT_L4PROTO, 1461 NFTA_CT_TIMEOUT_DATA, 1462 __NFTA_CT_TIMEOUT_MAX, 1463 }; 1464 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1) 1465 1466 enum nft_ct_expectation_attributes { 1467 NFTA_CT_EXPECT_UNSPEC, 1468 NFTA_CT_EXPECT_L3PROTO, 1469 NFTA_CT_EXPECT_L4PROTO, 1470 NFTA_CT_EXPECT_DPORT, 1471 NFTA_CT_EXPECT_TIMEOUT, 1472 NFTA_CT_EXPECT_SIZE, 1473 __NFTA_CT_EXPECT_MAX, 1474 }; 1475 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1) 1476 1477 #define NFT_OBJECT_UNSPEC 0 1478 #define NFT_OBJECT_COUNTER 1 1479 #define NFT_OBJECT_QUOTA 2 1480 #define NFT_OBJECT_CT_HELPER 3 1481 #define NFT_OBJECT_LIMIT 4 1482 #define NFT_OBJECT_CONNLIMIT 5 1483 #define NFT_OBJECT_TUNNEL 6 1484 #define NFT_OBJECT_CT_TIMEOUT 7 1485 #define NFT_OBJECT_SECMARK 8 1486 #define NFT_OBJECT_CT_EXPECT 9 1487 #define NFT_OBJECT_SYNPROXY 10 1488 #define __NFT_OBJECT_MAX 11 1489 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1) 1490 1491 /** 1492 * enum nft_object_attributes - nf_tables stateful object netlink attributes 1493 * 1494 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING) 1495 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING) 1496 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32) 1497 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) 1498 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) 1499 * @NFTA_OBJ_HANDLE: object handle (NLA_U64) 1500 */ 1501 enum nft_object_attributes { 1502 NFTA_OBJ_UNSPEC, 1503 NFTA_OBJ_TABLE, 1504 NFTA_OBJ_NAME, 1505 NFTA_OBJ_TYPE, 1506 NFTA_OBJ_DATA, 1507 NFTA_OBJ_USE, 1508 NFTA_OBJ_HANDLE, 1509 NFTA_OBJ_PAD, 1510 __NFTA_OBJ_MAX 1511 }; 1512 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1) 1513 1514 /** 1515 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes 1516 * 1517 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) 1518 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) 1519 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32) 1520 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) 1521 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) 1522 */ 1523 enum nft_flowtable_attributes { 1524 NFTA_FLOWTABLE_UNSPEC, 1525 NFTA_FLOWTABLE_TABLE, 1526 NFTA_FLOWTABLE_NAME, 1527 NFTA_FLOWTABLE_HOOK, 1528 NFTA_FLOWTABLE_USE, 1529 NFTA_FLOWTABLE_HANDLE, 1530 NFTA_FLOWTABLE_PAD, 1531 __NFTA_FLOWTABLE_MAX 1532 }; 1533 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1) 1534 1535 /** 1536 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes 1537 * 1538 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32) 1539 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 1540 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED) 1541 */ 1542 enum nft_flowtable_hook_attributes { 1543 NFTA_FLOWTABLE_HOOK_UNSPEC, 1544 NFTA_FLOWTABLE_HOOK_NUM, 1545 NFTA_FLOWTABLE_HOOK_PRIORITY, 1546 NFTA_FLOWTABLE_HOOK_DEVS, 1547 __NFTA_FLOWTABLE_HOOK_MAX 1548 }; 1549 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1) 1550 1551 /** 1552 * enum nft_osf_attributes - nftables osf expression netlink attributes 1553 * 1554 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers) 1555 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8) 1556 * @NFTA_OSF_FLAGS: flags (NLA_U32) 1557 */ 1558 enum nft_osf_attributes { 1559 NFTA_OSF_UNSPEC, 1560 NFTA_OSF_DREG, 1561 NFTA_OSF_TTL, 1562 NFTA_OSF_FLAGS, 1563 __NFTA_OSF_MAX, 1564 }; 1565 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1) 1566 1567 enum nft_osf_flags { 1568 NFT_OSF_F_VERSION = (1 << 0), 1569 }; 1570 1571 /** 1572 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes 1573 * 1574 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16) 1575 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8) 1576 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32) 1577 */ 1578 enum nft_synproxy_attributes { 1579 NFTA_SYNPROXY_UNSPEC, 1580 NFTA_SYNPROXY_MSS, 1581 NFTA_SYNPROXY_WSCALE, 1582 NFTA_SYNPROXY_FLAGS, 1583 __NFTA_SYNPROXY_MAX, 1584 }; 1585 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1) 1586 1587 /** 1588 * enum nft_device_attributes - nf_tables device netlink attributes 1589 * 1590 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING) 1591 */ 1592 enum nft_devices_attributes { 1593 NFTA_DEVICE_UNSPEC, 1594 NFTA_DEVICE_NAME, 1595 __NFTA_DEVICE_MAX 1596 }; 1597 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1) 1598 1599 /* 1600 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes 1601 * 1602 * @NFTA_XFRM_DREG: destination register (NLA_U32) 1603 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32) 1604 * @NFTA_XFRM_DIR: direction (NLA_U8) 1605 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32) 1606 */ 1607 enum nft_xfrm_attributes { 1608 NFTA_XFRM_UNSPEC, 1609 NFTA_XFRM_DREG, 1610 NFTA_XFRM_KEY, 1611 NFTA_XFRM_DIR, 1612 NFTA_XFRM_SPNUM, 1613 __NFTA_XFRM_MAX 1614 }; 1615 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1) 1616 1617 enum nft_xfrm_keys { 1618 NFT_XFRM_KEY_UNSPEC, 1619 NFT_XFRM_KEY_DADDR_IP4, 1620 NFT_XFRM_KEY_DADDR_IP6, 1621 NFT_XFRM_KEY_SADDR_IP4, 1622 NFT_XFRM_KEY_SADDR_IP6, 1623 NFT_XFRM_KEY_REQID, 1624 NFT_XFRM_KEY_SPI, 1625 __NFT_XFRM_KEY_MAX, 1626 }; 1627 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1) 1628 1629 /** 1630 * enum nft_trace_attributes - nf_tables trace netlink attributes 1631 * 1632 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) 1633 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) 1634 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) 1635 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) 1636 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) 1637 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) 1638 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) 1639 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) 1640 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) 1641 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) 1642 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) 1643 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) 1644 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) 1645 * @NFTA_TRACE_MARK: nfmark (NLA_U32) 1646 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) 1647 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) 1648 */ 1649 enum nft_trace_attributes { 1650 NFTA_TRACE_UNSPEC, 1651 NFTA_TRACE_TABLE, 1652 NFTA_TRACE_CHAIN, 1653 NFTA_TRACE_RULE_HANDLE, 1654 NFTA_TRACE_TYPE, 1655 NFTA_TRACE_VERDICT, 1656 NFTA_TRACE_ID, 1657 NFTA_TRACE_LL_HEADER, 1658 NFTA_TRACE_NETWORK_HEADER, 1659 NFTA_TRACE_TRANSPORT_HEADER, 1660 NFTA_TRACE_IIF, 1661 NFTA_TRACE_IIFTYPE, 1662 NFTA_TRACE_OIF, 1663 NFTA_TRACE_OIFTYPE, 1664 NFTA_TRACE_MARK, 1665 NFTA_TRACE_NFPROTO, 1666 NFTA_TRACE_POLICY, 1667 NFTA_TRACE_PAD, 1668 __NFTA_TRACE_MAX 1669 }; 1670 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1) 1671 1672 enum nft_trace_types { 1673 NFT_TRACETYPE_UNSPEC, 1674 NFT_TRACETYPE_POLICY, 1675 NFT_TRACETYPE_RETURN, 1676 NFT_TRACETYPE_RULE, 1677 __NFT_TRACETYPE_MAX 1678 }; 1679 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) 1680 1681 /** 1682 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes 1683 * 1684 * @NFTA_NG_DREG: destination register (NLA_U32) 1685 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) 1686 * @NFTA_NG_TYPE: operation type (NLA_U32) 1687 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) 1688 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING) 1689 * @NFTA_NG_SET_ID: id of the map (NLA_U32) 1690 */ 1691 enum nft_ng_attributes { 1692 NFTA_NG_UNSPEC, 1693 NFTA_NG_DREG, 1694 NFTA_NG_MODULUS, 1695 NFTA_NG_TYPE, 1696 NFTA_NG_OFFSET, 1697 NFTA_NG_SET_NAME, /* deprecated */ 1698 NFTA_NG_SET_ID, /* deprecated */ 1699 __NFTA_NG_MAX 1700 }; 1701 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1) 1702 1703 enum nft_ng_types { 1704 NFT_NG_INCREMENTAL, 1705 NFT_NG_RANDOM, 1706 __NFT_NG_MAX 1707 }; 1708 #define NFT_NG_MAX (__NFT_NG_MAX - 1) 1709 1710 enum nft_tunnel_key_ip_attributes { 1711 NFTA_TUNNEL_KEY_IP_UNSPEC, 1712 NFTA_TUNNEL_KEY_IP_SRC, 1713 NFTA_TUNNEL_KEY_IP_DST, 1714 __NFTA_TUNNEL_KEY_IP_MAX 1715 }; 1716 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1) 1717 1718 enum nft_tunnel_ip6_attributes { 1719 NFTA_TUNNEL_KEY_IP6_UNSPEC, 1720 NFTA_TUNNEL_KEY_IP6_SRC, 1721 NFTA_TUNNEL_KEY_IP6_DST, 1722 NFTA_TUNNEL_KEY_IP6_FLOWLABEL, 1723 __NFTA_TUNNEL_KEY_IP6_MAX 1724 }; 1725 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1) 1726 1727 enum nft_tunnel_opts_attributes { 1728 NFTA_TUNNEL_KEY_OPTS_UNSPEC, 1729 NFTA_TUNNEL_KEY_OPTS_VXLAN, 1730 NFTA_TUNNEL_KEY_OPTS_ERSPAN, 1731 __NFTA_TUNNEL_KEY_OPTS_MAX 1732 }; 1733 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1) 1734 1735 enum nft_tunnel_opts_vxlan_attributes { 1736 NFTA_TUNNEL_KEY_VXLAN_UNSPEC, 1737 NFTA_TUNNEL_KEY_VXLAN_GBP, 1738 __NFTA_TUNNEL_KEY_VXLAN_MAX 1739 }; 1740 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1) 1741 1742 enum nft_tunnel_opts_erspan_attributes { 1743 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC, 1744 NFTA_TUNNEL_KEY_ERSPAN_VERSION, 1745 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX, 1746 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID, 1747 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR, 1748 __NFTA_TUNNEL_KEY_ERSPAN_MAX 1749 }; 1750 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1) 1751 1752 enum nft_tunnel_flags { 1753 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0), 1754 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1), 1755 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2), 1756 }; 1757 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \ 1758 NFT_TUNNEL_F_DONT_FRAGMENT | \ 1759 NFT_TUNNEL_F_SEQ_NUMBER) 1760 1761 enum nft_tunnel_key_attributes { 1762 NFTA_TUNNEL_KEY_UNSPEC, 1763 NFTA_TUNNEL_KEY_ID, 1764 NFTA_TUNNEL_KEY_IP, 1765 NFTA_TUNNEL_KEY_IP6, 1766 NFTA_TUNNEL_KEY_FLAGS, 1767 NFTA_TUNNEL_KEY_TOS, 1768 NFTA_TUNNEL_KEY_TTL, 1769 NFTA_TUNNEL_KEY_SPORT, 1770 NFTA_TUNNEL_KEY_DPORT, 1771 NFTA_TUNNEL_KEY_OPTS, 1772 __NFTA_TUNNEL_KEY_MAX 1773 }; 1774 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1) 1775 1776 enum nft_tunnel_keys { 1777 NFT_TUNNEL_PATH, 1778 NFT_TUNNEL_ID, 1779 __NFT_TUNNEL_MAX 1780 }; 1781 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1) 1782 1783 enum nft_tunnel_mode { 1784 NFT_TUNNEL_MODE_NONE, 1785 NFT_TUNNEL_MODE_RX, 1786 NFT_TUNNEL_MODE_TX, 1787 __NFT_TUNNEL_MODE_MAX 1788 }; 1789 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1) 1790 1791 enum nft_tunnel_attributes { 1792 NFTA_TUNNEL_UNSPEC, 1793 NFTA_TUNNEL_KEY, 1794 NFTA_TUNNEL_DREG, 1795 NFTA_TUNNEL_MODE, 1796 __NFTA_TUNNEL_MAX 1797 }; 1798 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1) 1799 1800 #endif /* _LINUX_NF_TABLES_H */ 1801