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