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 */ 22enum 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#define NFT_REG32_COUNT (NFT_REG32_15 - NFT_REG32_00 + 1) 52 53/** 54 * enum nft_verdicts - nf_tables internal verdicts 55 * 56 * @NFT_CONTINUE: continue evaluation of the current rule 57 * @NFT_BREAK: terminate evaluation of the current rule 58 * @NFT_JUMP: push the current chain on the jump stack and jump to a chain 59 * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack 60 * @NFT_RETURN: return to the topmost chain on the jump stack 61 * 62 * The nf_tables verdicts share their numeric space with the netfilter verdicts. 63 */ 64enum nft_verdicts { 65 NFT_CONTINUE = -1, 66 NFT_BREAK = -2, 67 NFT_JUMP = -3, 68 NFT_GOTO = -4, 69 NFT_RETURN = -5, 70}; 71 72/** 73 * enum nf_tables_msg_types - nf_tables netlink message types 74 * 75 * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes) 76 * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes) 77 * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes) 78 * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes) 79 * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes) 80 * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes) 81 * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes) 82 * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes) 83 * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes) 84 * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes) 85 * @NFT_MSG_GETSET: get a set (enum nft_set_attributes) 86 * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes) 87 * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes) 88 * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes) 89 * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes) 90 * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes) 91 * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes) 92 * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes) 93 * @NFT_MSG_NEWOBJ: create a stateful object (enum nft_obj_attributes) 94 * @NFT_MSG_GETOBJ: get a stateful object (enum nft_obj_attributes) 95 * @NFT_MSG_DELOBJ: delete a stateful object (enum nft_obj_attributes) 96 * @NFT_MSG_GETOBJ_RESET: get and reset a stateful object (enum nft_obj_attributes) 97 * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes) 98 * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes) 99 * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes) 100 */ 101enum nf_tables_msg_types { 102 NFT_MSG_NEWTABLE, 103 NFT_MSG_GETTABLE, 104 NFT_MSG_DELTABLE, 105 NFT_MSG_NEWCHAIN, 106 NFT_MSG_GETCHAIN, 107 NFT_MSG_DELCHAIN, 108 NFT_MSG_NEWRULE, 109 NFT_MSG_GETRULE, 110 NFT_MSG_DELRULE, 111 NFT_MSG_NEWSET, 112 NFT_MSG_GETSET, 113 NFT_MSG_DELSET, 114 NFT_MSG_NEWSETELEM, 115 NFT_MSG_GETSETELEM, 116 NFT_MSG_DELSETELEM, 117 NFT_MSG_NEWGEN, 118 NFT_MSG_GETGEN, 119 NFT_MSG_TRACE, 120 NFT_MSG_NEWOBJ, 121 NFT_MSG_GETOBJ, 122 NFT_MSG_DELOBJ, 123 NFT_MSG_GETOBJ_RESET, 124 NFT_MSG_NEWFLOWTABLE, 125 NFT_MSG_GETFLOWTABLE, 126 NFT_MSG_DELFLOWTABLE, 127 NFT_MSG_MAX, 128}; 129 130/** 131 * enum nft_list_attributes - nf_tables generic list netlink attributes 132 * 133 * @NFTA_LIST_ELEM: list element (NLA_NESTED) 134 */ 135enum nft_list_attributes { 136 NFTA_LIST_UNPEC, 137 NFTA_LIST_ELEM, 138 __NFTA_LIST_MAX 139}; 140#define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) 141 142/** 143 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes 144 * 145 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) 146 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 147 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING) 148 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED) 149 */ 150enum nft_hook_attributes { 151 NFTA_HOOK_UNSPEC, 152 NFTA_HOOK_HOOKNUM, 153 NFTA_HOOK_PRIORITY, 154 NFTA_HOOK_DEV, 155 NFTA_HOOK_DEVS, 156 __NFTA_HOOK_MAX 157}; 158#define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) 159 160/** 161 * enum nft_table_flags - nf_tables table flags 162 * 163 * @NFT_TABLE_F_DORMANT: this table is not active 164 */ 165enum nft_table_flags { 166 NFT_TABLE_F_DORMANT = 0x1, 167}; 168 169/** 170 * enum nft_table_attributes - nf_tables table netlink attributes 171 * 172 * @NFTA_TABLE_NAME: name of the table (NLA_STRING) 173 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) 174 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) 175 */ 176enum nft_table_attributes { 177 NFTA_TABLE_UNSPEC, 178 NFTA_TABLE_NAME, 179 NFTA_TABLE_FLAGS, 180 NFTA_TABLE_USE, 181 NFTA_TABLE_HANDLE, 182 NFTA_TABLE_PAD, 183 __NFTA_TABLE_MAX 184}; 185#define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) 186 187/** 188 * enum nft_chain_attributes - nf_tables chain netlink attributes 189 * 190 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) 191 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) 192 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) 193 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) 194 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) 195 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) 196 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) 197 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) 198 * @NFTA_CHAIN_FLAGS: chain flags 199 */ 200enum nft_chain_attributes { 201 NFTA_CHAIN_UNSPEC, 202 NFTA_CHAIN_TABLE, 203 NFTA_CHAIN_HANDLE, 204 NFTA_CHAIN_NAME, 205 NFTA_CHAIN_HOOK, 206 NFTA_CHAIN_POLICY, 207 NFTA_CHAIN_USE, 208 NFTA_CHAIN_TYPE, 209 NFTA_CHAIN_COUNTERS, 210 NFTA_CHAIN_PAD, 211 NFTA_CHAIN_FLAGS, 212 __NFTA_CHAIN_MAX 213}; 214#define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) 215 216/** 217 * enum nft_rule_attributes - nf_tables rule netlink attributes 218 * 219 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) 220 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) 221 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) 222 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) 223 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) 224 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) 225 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) 226 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32) 227 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32) 228 */ 229enum nft_rule_attributes { 230 NFTA_RULE_UNSPEC, 231 NFTA_RULE_TABLE, 232 NFTA_RULE_CHAIN, 233 NFTA_RULE_HANDLE, 234 NFTA_RULE_EXPRESSIONS, 235 NFTA_RULE_COMPAT, 236 NFTA_RULE_POSITION, 237 NFTA_RULE_USERDATA, 238 NFTA_RULE_PAD, 239 NFTA_RULE_ID, 240 NFTA_RULE_POSITION_ID, 241 __NFTA_RULE_MAX 242}; 243#define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) 244 245/** 246 * enum nft_rule_compat_flags - nf_tables rule compat flags 247 * 248 * @NFT_RULE_COMPAT_F_INV: invert the check result 249 */ 250enum nft_rule_compat_flags { 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 */ 261enum 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 * @NFT_SET_CONCAT: set contains a concatenation 280 */ 281enum nft_set_flags { 282 NFT_SET_ANONYMOUS = 0x1, 283 NFT_SET_CONSTANT = 0x2, 284 NFT_SET_INTERVAL = 0x4, 285 NFT_SET_MAP = 0x8, 286 NFT_SET_TIMEOUT = 0x10, 287 NFT_SET_EVAL = 0x20, 288 NFT_SET_OBJECT = 0x40, 289 NFT_SET_CONCAT = 0x80, 290}; 291 292/** 293 * enum nft_set_policies - set selection policy 294 * 295 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use 296 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance 297 */ 298enum nft_set_policies { 299 NFT_SET_POL_PERFORMANCE, 300 NFT_SET_POL_MEMORY, 301}; 302 303/** 304 * enum nft_set_desc_attributes - set element description 305 * 306 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) 307 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED) 308 */ 309enum nft_set_desc_attributes { 310 NFTA_SET_DESC_UNSPEC, 311 NFTA_SET_DESC_SIZE, 312 NFTA_SET_DESC_CONCAT, 313 __NFTA_SET_DESC_MAX 314}; 315#define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) 316 317/** 318 * enum nft_set_field_attributes - attributes of concatenated fields 319 * 320 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32) 321 */ 322enum nft_set_field_attributes { 323 NFTA_SET_FIELD_UNSPEC, 324 NFTA_SET_FIELD_LEN, 325 __NFTA_SET_FIELD_MAX 326}; 327#define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1) 328 329/** 330 * enum nft_set_attributes - nf_tables set netlink attributes 331 * 332 * @NFTA_SET_TABLE: table name (NLA_STRING) 333 * @NFTA_SET_NAME: set name (NLA_STRING) 334 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) 335 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) 336 * @NFTA_SET_KEY_LEN: key data length (NLA_U32) 337 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) 338 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) 339 * @NFTA_SET_POLICY: selection policy (NLA_U32) 340 * @NFTA_SET_DESC: set description (NLA_NESTED) 341 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 342 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) 343 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) 344 * @NFTA_SET_USERDATA: user data (NLA_BINARY) 345 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*) 346 * @NFTA_SET_HANDLE: set handle (NLA_U64) 347 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes) 348 */ 349enum nft_set_attributes { 350 NFTA_SET_UNSPEC, 351 NFTA_SET_TABLE, 352 NFTA_SET_NAME, 353 NFTA_SET_FLAGS, 354 NFTA_SET_KEY_TYPE, 355 NFTA_SET_KEY_LEN, 356 NFTA_SET_DATA_TYPE, 357 NFTA_SET_DATA_LEN, 358 NFTA_SET_POLICY, 359 NFTA_SET_DESC, 360 NFTA_SET_ID, 361 NFTA_SET_TIMEOUT, 362 NFTA_SET_GC_INTERVAL, 363 NFTA_SET_USERDATA, 364 NFTA_SET_PAD, 365 NFTA_SET_OBJ_TYPE, 366 NFTA_SET_HANDLE, 367 NFTA_SET_EXPR, 368 __NFTA_SET_MAX 369}; 370#define NFTA_SET_MAX (__NFTA_SET_MAX - 1) 371 372/** 373 * enum nft_set_elem_flags - nf_tables set element flags 374 * 375 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval 376 */ 377enum nft_set_elem_flags { 378 NFT_SET_ELEM_INTERVAL_END = 0x1, 379}; 380 381/** 382 * enum nft_set_elem_attributes - nf_tables set element netlink attributes 383 * 384 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) 385 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) 386 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) 387 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64) 388 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) 389 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) 390 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) 391 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING) 392 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data) 393 */ 394enum nft_set_elem_attributes { 395 NFTA_SET_ELEM_UNSPEC, 396 NFTA_SET_ELEM_KEY, 397 NFTA_SET_ELEM_DATA, 398 NFTA_SET_ELEM_FLAGS, 399 NFTA_SET_ELEM_TIMEOUT, 400 NFTA_SET_ELEM_EXPIRATION, 401 NFTA_SET_ELEM_USERDATA, 402 NFTA_SET_ELEM_EXPR, 403 NFTA_SET_ELEM_PAD, 404 NFTA_SET_ELEM_OBJREF, 405 NFTA_SET_ELEM_KEY_END, 406 __NFTA_SET_ELEM_MAX 407}; 408#define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) 409 410/** 411 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes 412 * 413 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) 414 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) 415 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) 416 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 417 */ 418enum nft_set_elem_list_attributes { 419 NFTA_SET_ELEM_LIST_UNSPEC, 420 NFTA_SET_ELEM_LIST_TABLE, 421 NFTA_SET_ELEM_LIST_SET, 422 NFTA_SET_ELEM_LIST_ELEMENTS, 423 NFTA_SET_ELEM_LIST_SET_ID, 424 __NFTA_SET_ELEM_LIST_MAX 425}; 426#define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) 427 428/** 429 * enum nft_data_types - nf_tables data types 430 * 431 * @NFT_DATA_VALUE: generic data 432 * @NFT_DATA_VERDICT: netfilter verdict 433 * 434 * The type of data is usually determined by the kernel directly and is not 435 * explicitly specified by userspace. The only difference are sets, where 436 * userspace specifies the key and mapping data types. 437 * 438 * The values 0xffffff00-0xffffffff are reserved for internally used types. 439 * The remaining range can be freely used by userspace to encode types, all 440 * values are equivalent to NFT_DATA_VALUE. 441 */ 442enum nft_data_types { 443 NFT_DATA_VALUE, 444 NFT_DATA_VERDICT = 0xffffff00U, 445}; 446 447#define NFT_DATA_RESERVED_MASK 0xffffff00U 448 449/** 450 * enum nft_data_attributes - nf_tables data netlink attributes 451 * 452 * @NFTA_DATA_VALUE: generic data (NLA_BINARY) 453 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) 454 */ 455enum nft_data_attributes { 456 NFTA_DATA_UNSPEC, 457 NFTA_DATA_VALUE, 458 NFTA_DATA_VERDICT, 459 __NFTA_DATA_MAX 460}; 461#define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) 462 463/* Maximum length of a value */ 464#define NFT_DATA_VALUE_MAXLEN 64 465 466/** 467 * enum nft_verdict_attributes - nf_tables verdict netlink attributes 468 * 469 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) 470 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) 471 */ 472enum nft_verdict_attributes { 473 NFTA_VERDICT_UNSPEC, 474 NFTA_VERDICT_CODE, 475 NFTA_VERDICT_CHAIN, 476 __NFTA_VERDICT_MAX 477}; 478#define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) 479 480/** 481 * enum nft_expr_attributes - nf_tables expression netlink attributes 482 * 483 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) 484 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) 485 */ 486enum nft_expr_attributes { 487 NFTA_EXPR_UNSPEC, 488 NFTA_EXPR_NAME, 489 NFTA_EXPR_DATA, 490 __NFTA_EXPR_MAX 491}; 492#define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) 493 494/** 495 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes 496 * 497 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) 498 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) 499 */ 500enum nft_immediate_attributes { 501 NFTA_IMMEDIATE_UNSPEC, 502 NFTA_IMMEDIATE_DREG, 503 NFTA_IMMEDIATE_DATA, 504 __NFTA_IMMEDIATE_MAX 505}; 506#define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) 507 508/** 509 * enum nft_bitwise_ops - nf_tables bitwise operations 510 * 511 * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and 512 * XOR boolean operations 513 * @NFT_BITWISE_LSHIFT: left-shift operation 514 * @NFT_BITWISE_RSHIFT: right-shift operation 515 */ 516enum nft_bitwise_ops { 517 NFT_BITWISE_BOOL, 518 NFT_BITWISE_LSHIFT, 519 NFT_BITWISE_RSHIFT, 520}; 521 522/** 523 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes 524 * 525 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) 526 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) 527 * @NFTA_BITWISE_LEN: length of operands (NLA_U32) 528 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) 529 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) 530 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops) 531 * @NFTA_BITWISE_DATA: argument for non-boolean operations 532 * (NLA_NESTED: nft_data_attributes) 533 * 534 * The bitwise expression supports boolean and shift operations. It implements 535 * the boolean operations by performing the following operation: 536 * 537 * dreg = (sreg & mask) ^ xor 538 * 539 * with these mask and xor values: 540 * 541 * mask xor 542 * NOT: 1 1 543 * OR: ~x x 544 * XOR: 1 x 545 * AND: x 0 546 */ 547enum nft_bitwise_attributes { 548 NFTA_BITWISE_UNSPEC, 549 NFTA_BITWISE_SREG, 550 NFTA_BITWISE_DREG, 551 NFTA_BITWISE_LEN, 552 NFTA_BITWISE_MASK, 553 NFTA_BITWISE_XOR, 554 NFTA_BITWISE_OP, 555 NFTA_BITWISE_DATA, 556 __NFTA_BITWISE_MAX 557}; 558#define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) 559 560/** 561 * enum nft_byteorder_ops - nf_tables byteorder operators 562 * 563 * @NFT_BYTEORDER_NTOH: network to host operator 564 * @NFT_BYTEORDER_HTON: host to network operator 565 */ 566enum nft_byteorder_ops { 567 NFT_BYTEORDER_NTOH, 568 NFT_BYTEORDER_HTON, 569}; 570 571/** 572 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes 573 * 574 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) 575 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) 576 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) 577 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) 578 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) 579 */ 580enum nft_byteorder_attributes { 581 NFTA_BYTEORDER_UNSPEC, 582 NFTA_BYTEORDER_SREG, 583 NFTA_BYTEORDER_DREG, 584 NFTA_BYTEORDER_OP, 585 NFTA_BYTEORDER_LEN, 586 NFTA_BYTEORDER_SIZE, 587 __NFTA_BYTEORDER_MAX 588}; 589#define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) 590 591/** 592 * enum nft_cmp_ops - nf_tables relational operator 593 * 594 * @NFT_CMP_EQ: equal 595 * @NFT_CMP_NEQ: not equal 596 * @NFT_CMP_LT: less than 597 * @NFT_CMP_LTE: less than or equal to 598 * @NFT_CMP_GT: greater than 599 * @NFT_CMP_GTE: greater than or equal to 600 */ 601enum nft_cmp_ops { 602 NFT_CMP_EQ, 603 NFT_CMP_NEQ, 604 NFT_CMP_LT, 605 NFT_CMP_LTE, 606 NFT_CMP_GT, 607 NFT_CMP_GTE, 608}; 609 610/** 611 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes 612 * 613 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) 614 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) 615 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) 616 */ 617enum nft_cmp_attributes { 618 NFTA_CMP_UNSPEC, 619 NFTA_CMP_SREG, 620 NFTA_CMP_OP, 621 NFTA_CMP_DATA, 622 __NFTA_CMP_MAX 623}; 624#define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) 625 626/** 627 * enum nft_range_ops - nf_tables range operator 628 * 629 * @NFT_RANGE_EQ: equal 630 * @NFT_RANGE_NEQ: not equal 631 */ 632enum nft_range_ops { 633 NFT_RANGE_EQ, 634 NFT_RANGE_NEQ, 635}; 636 637/** 638 * enum nft_range_attributes - nf_tables range expression netlink attributes 639 * 640 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) 641 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops) 642 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) 643 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) 644 */ 645enum nft_range_attributes { 646 NFTA_RANGE_UNSPEC, 647 NFTA_RANGE_SREG, 648 NFTA_RANGE_OP, 649 NFTA_RANGE_FROM_DATA, 650 NFTA_RANGE_TO_DATA, 651 __NFTA_RANGE_MAX 652}; 653#define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1) 654 655enum nft_lookup_flags { 656 NFT_LOOKUP_F_INV = (1 << 0), 657}; 658 659/** 660 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes 661 * 662 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) 663 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) 664 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) 665 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 666 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) 667 */ 668enum nft_lookup_attributes { 669 NFTA_LOOKUP_UNSPEC, 670 NFTA_LOOKUP_SET, 671 NFTA_LOOKUP_SREG, 672 NFTA_LOOKUP_DREG, 673 NFTA_LOOKUP_SET_ID, 674 NFTA_LOOKUP_FLAGS, 675 __NFTA_LOOKUP_MAX 676}; 677#define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) 678 679enum nft_dynset_ops { 680 NFT_DYNSET_OP_ADD, 681 NFT_DYNSET_OP_UPDATE, 682 NFT_DYNSET_OP_DELETE, 683}; 684 685enum nft_dynset_flags { 686 NFT_DYNSET_F_INV = (1 << 0), 687}; 688 689/** 690 * enum nft_dynset_attributes - dynset expression attributes 691 * 692 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) 693 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) 694 * @NFTA_DYNSET_OP: operation (NLA_U32) 695 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) 696 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) 697 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) 698 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) 699 * @NFTA_DYNSET_FLAGS: flags (NLA_U32) 700 */ 701enum nft_dynset_attributes { 702 NFTA_DYNSET_UNSPEC, 703 NFTA_DYNSET_SET_NAME, 704 NFTA_DYNSET_SET_ID, 705 NFTA_DYNSET_OP, 706 NFTA_DYNSET_SREG_KEY, 707 NFTA_DYNSET_SREG_DATA, 708 NFTA_DYNSET_TIMEOUT, 709 NFTA_DYNSET_EXPR, 710 NFTA_DYNSET_PAD, 711 NFTA_DYNSET_FLAGS, 712 __NFTA_DYNSET_MAX, 713}; 714#define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) 715 716/** 717 * enum nft_payload_bases - nf_tables payload expression offset bases 718 * 719 * @NFT_PAYLOAD_LL_HEADER: link layer header 720 * @NFT_PAYLOAD_NETWORK_HEADER: network header 721 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header 722 */ 723enum nft_payload_bases { 724 NFT_PAYLOAD_LL_HEADER, 725 NFT_PAYLOAD_NETWORK_HEADER, 726 NFT_PAYLOAD_TRANSPORT_HEADER, 727}; 728 729/** 730 * enum nft_payload_csum_types - nf_tables payload expression checksum types 731 * 732 * @NFT_PAYLOAD_CSUM_NONE: no checksumming 733 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) 734 */ 735enum nft_payload_csum_types { 736 NFT_PAYLOAD_CSUM_NONE, 737 NFT_PAYLOAD_CSUM_INET, 738}; 739 740enum nft_payload_csum_flags { 741 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0), 742}; 743 744/** 745 * enum nft_payload_attributes - nf_tables payload expression netlink attributes 746 * 747 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) 748 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) 749 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) 750 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) 751 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) 752 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) 753 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) 754 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32) 755 */ 756enum nft_payload_attributes { 757 NFTA_PAYLOAD_UNSPEC, 758 NFTA_PAYLOAD_DREG, 759 NFTA_PAYLOAD_BASE, 760 NFTA_PAYLOAD_OFFSET, 761 NFTA_PAYLOAD_LEN, 762 NFTA_PAYLOAD_SREG, 763 NFTA_PAYLOAD_CSUM_TYPE, 764 NFTA_PAYLOAD_CSUM_OFFSET, 765 NFTA_PAYLOAD_CSUM_FLAGS, 766 __NFTA_PAYLOAD_MAX 767}; 768#define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) 769 770enum nft_exthdr_flags { 771 NFT_EXTHDR_F_PRESENT = (1 << 0), 772}; 773 774/** 775 * enum nft_exthdr_op - nf_tables match options 776 * 777 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers 778 * @NFT_EXTHDR_OP_TCP: match against tcp options 779 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options 780 */ 781enum nft_exthdr_op { 782 NFT_EXTHDR_OP_IPV6, 783 NFT_EXTHDR_OP_TCPOPT, 784 NFT_EXTHDR_OP_IPV4, 785 __NFT_EXTHDR_OP_MAX 786}; 787#define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1) 788 789/** 790 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes 791 * 792 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) 793 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) 794 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) 795 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) 796 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32) 797 * @NFTA_EXTHDR_OP: option match type (NLA_U32) 798 * @NFTA_EXTHDR_SREG: option match type (NLA_U32) 799 */ 800enum nft_exthdr_attributes { 801 NFTA_EXTHDR_UNSPEC, 802 NFTA_EXTHDR_DREG, 803 NFTA_EXTHDR_TYPE, 804 NFTA_EXTHDR_OFFSET, 805 NFTA_EXTHDR_LEN, 806 NFTA_EXTHDR_FLAGS, 807 NFTA_EXTHDR_OP, 808 NFTA_EXTHDR_SREG, 809 __NFTA_EXTHDR_MAX 810}; 811#define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) 812 813/** 814 * enum nft_meta_keys - nf_tables meta expression keys 815 * 816 * @NFT_META_LEN: packet length (skb->len) 817 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT 818 * @NFT_META_PRIORITY: packet priority (skb->priority) 819 * @NFT_META_MARK: packet mark (skb->mark) 820 * @NFT_META_IIF: packet input interface index (dev->ifindex) 821 * @NFT_META_OIF: packet output interface index (dev->ifindex) 822 * @NFT_META_IIFNAME: packet input interface name (dev->name) 823 * @NFT_META_OIFNAME: packet output interface name (dev->name) 824 * @NFT_META_IIFTYPE: packet input interface type (dev->type) 825 * @NFT_META_OIFTYPE: packet output interface type (dev->type) 826 * @NFT_META_SKUID: originating socket UID (fsuid) 827 * @NFT_META_SKGID: originating socket GID (fsgid) 828 * @NFT_META_NFTRACE: packet nftrace bit 829 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) 830 * @NFT_META_SECMARK: packet secmark (skb->secmark) 831 * @NFT_META_NFPROTO: netfilter protocol 832 * @NFT_META_L4PROTO: layer 4 protocol number 833 * @NFT_META_BRI_IIFNAME: packet input bridge interface name 834 * @NFT_META_BRI_OIFNAME: packet output bridge interface name 835 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback 836 * @NFT_META_CPU: cpu id through smp_processor_id() 837 * @NFT_META_IIFGROUP: packet input interface group 838 * @NFT_META_OIFGROUP: packet output interface group 839 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) 840 * @NFT_META_PRANDOM: a 32bit pseudo-random number 841 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp) 842 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind) 843 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind) 844 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid 845 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto 846 * @NFT_META_TIME_NS: time since epoch (in nanoseconds) 847 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday) 848 * @NFT_META_TIME_HOUR: hour of day (in seconds) 849 * @NFT_META_SDIF: slave device interface index 850 * @NFT_META_SDIFNAME: slave device interface name 851 */ 852enum nft_meta_keys { 853 NFT_META_LEN, 854 NFT_META_PROTOCOL, 855 NFT_META_PRIORITY, 856 NFT_META_MARK, 857 NFT_META_IIF, 858 NFT_META_OIF, 859 NFT_META_IIFNAME, 860 NFT_META_OIFNAME, 861 NFT_META_IIFTYPE, 862 NFT_META_OIFTYPE, 863 NFT_META_SKUID, 864 NFT_META_SKGID, 865 NFT_META_NFTRACE, 866 NFT_META_RTCLASSID, 867 NFT_META_SECMARK, 868 NFT_META_NFPROTO, 869 NFT_META_L4PROTO, 870 NFT_META_BRI_IIFNAME, 871 NFT_META_BRI_OIFNAME, 872 NFT_META_PKTTYPE, 873 NFT_META_CPU, 874 NFT_META_IIFGROUP, 875 NFT_META_OIFGROUP, 876 NFT_META_CGROUP, 877 NFT_META_PRANDOM, 878 NFT_META_SECPATH, 879 NFT_META_IIFKIND, 880 NFT_META_OIFKIND, 881 NFT_META_BRI_IIFPVID, 882 NFT_META_BRI_IIFVPROTO, 883 NFT_META_TIME_NS, 884 NFT_META_TIME_DAY, 885 NFT_META_TIME_HOUR, 886 NFT_META_SDIF, 887 NFT_META_SDIFNAME, 888}; 889 890/** 891 * enum nft_rt_keys - nf_tables routing expression keys 892 * 893 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid) 894 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4 895 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6 896 * @NFT_RT_TCPMSS: fetch current path tcp mss 897 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL 898 */ 899enum nft_rt_keys { 900 NFT_RT_CLASSID, 901 NFT_RT_NEXTHOP4, 902 NFT_RT_NEXTHOP6, 903 NFT_RT_TCPMSS, 904 NFT_RT_XFRM, 905 __NFT_RT_MAX 906}; 907#define NFT_RT_MAX (__NFT_RT_MAX - 1) 908 909/** 910 * enum nft_hash_types - nf_tables hash expression types 911 * 912 * @NFT_HASH_JENKINS: Jenkins Hash 913 * @NFT_HASH_SYM: Symmetric Hash 914 */ 915enum nft_hash_types { 916 NFT_HASH_JENKINS, 917 NFT_HASH_SYM, 918}; 919 920/** 921 * enum nft_hash_attributes - nf_tables hash expression netlink attributes 922 * 923 * @NFTA_HASH_SREG: source register (NLA_U32) 924 * @NFTA_HASH_DREG: destination register (NLA_U32) 925 * @NFTA_HASH_LEN: source data length (NLA_U32) 926 * @NFTA_HASH_MODULUS: modulus value (NLA_U32) 927 * @NFTA_HASH_SEED: seed value (NLA_U32) 928 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) 929 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types) 930 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING) 931 * @NFTA_HASH_SET_ID: id of the map (NLA_U32) 932 */ 933enum nft_hash_attributes { 934 NFTA_HASH_UNSPEC, 935 NFTA_HASH_SREG, 936 NFTA_HASH_DREG, 937 NFTA_HASH_LEN, 938 NFTA_HASH_MODULUS, 939 NFTA_HASH_SEED, 940 NFTA_HASH_OFFSET, 941 NFTA_HASH_TYPE, 942 NFTA_HASH_SET_NAME, /* deprecated */ 943 NFTA_HASH_SET_ID, /* deprecated */ 944 __NFTA_HASH_MAX, 945}; 946#define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1) 947 948/** 949 * enum nft_meta_attributes - nf_tables meta expression netlink attributes 950 * 951 * @NFTA_META_DREG: destination register (NLA_U32) 952 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) 953 * @NFTA_META_SREG: source register (NLA_U32) 954 */ 955enum nft_meta_attributes { 956 NFTA_META_UNSPEC, 957 NFTA_META_DREG, 958 NFTA_META_KEY, 959 NFTA_META_SREG, 960 __NFTA_META_MAX 961}; 962#define NFTA_META_MAX (__NFTA_META_MAX - 1) 963 964/** 965 * enum nft_rt_attributes - nf_tables routing expression netlink attributes 966 * 967 * @NFTA_RT_DREG: destination register (NLA_U32) 968 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys) 969 */ 970enum nft_rt_attributes { 971 NFTA_RT_UNSPEC, 972 NFTA_RT_DREG, 973 NFTA_RT_KEY, 974 __NFTA_RT_MAX 975}; 976#define NFTA_RT_MAX (__NFTA_RT_MAX - 1) 977 978/** 979 * enum nft_socket_attributes - nf_tables socket expression netlink attributes 980 * 981 * @NFTA_SOCKET_KEY: socket key to match 982 * @NFTA_SOCKET_DREG: destination register 983 */ 984enum nft_socket_attributes { 985 NFTA_SOCKET_UNSPEC, 986 NFTA_SOCKET_KEY, 987 NFTA_SOCKET_DREG, 988 __NFTA_SOCKET_MAX 989}; 990#define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1) 991 992/* 993 * enum nft_socket_keys - nf_tables socket expression keys 994 * 995 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option 996 * @NFT_SOCKET_MARK: Value of the socket mark 997 */ 998enum nft_socket_keys { 999 NFT_SOCKET_TRANSPARENT, 1000 NFT_SOCKET_MARK,
1001 __NFT_SOCKET_MAX 1002}; 1003#define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1) 1004 1005/** 1006 * enum nft_ct_keys - nf_tables ct expression keys 1007 * 1008 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) 1009 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) 1010 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) 1011 * @NFT_CT_MARK: conntrack mark value 1012 * @NFT_CT_SECMARK: conntrack secmark value 1013 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms 1014 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack 1015 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol 1016 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated) 1017 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated) 1018 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol 1019 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source 1020 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination 1021 * @NFT_CT_LABELS: conntrack labels 1022 * @NFT_CT_PKTS: conntrack packets 1023 * @NFT_CT_BYTES: conntrack bytes 1024 * @NFT_CT_AVGPKT: conntrack average bytes per packet 1025 * @NFT_CT_ZONE: conntrack zone 1026 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack 1027 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address) 1028 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address) 1029 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address) 1030 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address) 1031 * @NFT_CT_ID: conntrack id 1032 */ 1033enum nft_ct_keys { 1034 NFT_CT_STATE, 1035 NFT_CT_DIRECTION, 1036 NFT_CT_STATUS, 1037 NFT_CT_MARK, 1038 NFT_CT_SECMARK, 1039 NFT_CT_EXPIRATION, 1040 NFT_CT_HELPER, 1041 NFT_CT_L3PROTOCOL, 1042 NFT_CT_SRC, 1043 NFT_CT_DST, 1044 NFT_CT_PROTOCOL, 1045 NFT_CT_PROTO_SRC, 1046 NFT_CT_PROTO_DST, 1047 NFT_CT_LABELS, 1048 NFT_CT_PKTS, 1049 NFT_CT_BYTES, 1050 NFT_CT_AVGPKT, 1051 NFT_CT_ZONE, 1052 NFT_CT_EVENTMASK, 1053 NFT_CT_SRC_IP, 1054 NFT_CT_DST_IP, 1055 NFT_CT_SRC_IP6, 1056 NFT_CT_DST_IP6, 1057 NFT_CT_ID, 1058 __NFT_CT_MAX 1059}; 1060#define NFT_CT_MAX (__NFT_CT_MAX - 1) 1061 1062/** 1063 * enum nft_ct_attributes - nf_tables ct expression netlink attributes 1064 * 1065 * @NFTA_CT_DREG: destination register (NLA_U32) 1066 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) 1067 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) 1068 * @NFTA_CT_SREG: source register (NLA_U32) 1069 */ 1070enum nft_ct_attributes { 1071 NFTA_CT_UNSPEC, 1072 NFTA_CT_DREG, 1073 NFTA_CT_KEY, 1074 NFTA_CT_DIRECTION, 1075 NFTA_CT_SREG, 1076 __NFTA_CT_MAX 1077}; 1078#define NFTA_CT_MAX (__NFTA_CT_MAX - 1) 1079 1080/** 1081 * enum nft_flow_attributes - ct offload expression attributes 1082 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING) 1083 */ 1084enum nft_offload_attributes { 1085 NFTA_FLOW_UNSPEC, 1086 NFTA_FLOW_TABLE_NAME, 1087 __NFTA_FLOW_MAX, 1088}; 1089#define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1) 1090 1091enum nft_limit_type { 1092 NFT_LIMIT_PKTS, 1093 NFT_LIMIT_PKT_BYTES 1094}; 1095 1096enum nft_limit_flags { 1097 NFT_LIMIT_F_INV = (1 << 0), 1098}; 1099 1100/** 1101 * enum nft_limit_attributes - nf_tables limit expression netlink attributes 1102 * 1103 * @NFTA_LIMIT_RATE: refill rate (NLA_U64) 1104 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) 1105 * @NFTA_LIMIT_BURST: burst (NLA_U32) 1106 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) 1107 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) 1108 */ 1109enum nft_limit_attributes { 1110 NFTA_LIMIT_UNSPEC, 1111 NFTA_LIMIT_RATE, 1112 NFTA_LIMIT_UNIT, 1113 NFTA_LIMIT_BURST, 1114 NFTA_LIMIT_TYPE, 1115 NFTA_LIMIT_FLAGS, 1116 NFTA_LIMIT_PAD, 1117 __NFTA_LIMIT_MAX 1118}; 1119#define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) 1120 1121enum nft_connlimit_flags { 1122 NFT_CONNLIMIT_F_INV = (1 << 0), 1123}; 1124 1125/** 1126 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes 1127 * 1128 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32) 1129 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags) 1130 */ 1131enum nft_connlimit_attributes { 1132 NFTA_CONNLIMIT_UNSPEC, 1133 NFTA_CONNLIMIT_COUNT, 1134 NFTA_CONNLIMIT_FLAGS, 1135 __NFTA_CONNLIMIT_MAX 1136}; 1137#define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1) 1138 1139/** 1140 * enum nft_counter_attributes - nf_tables counter expression netlink attributes 1141 * 1142 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) 1143 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) 1144 */ 1145enum nft_counter_attributes { 1146 NFTA_COUNTER_UNSPEC, 1147 NFTA_COUNTER_BYTES, 1148 NFTA_COUNTER_PACKETS, 1149 NFTA_COUNTER_PAD, 1150 __NFTA_COUNTER_MAX 1151}; 1152#define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) 1153 1154/** 1155 * enum nft_log_attributes - nf_tables log expression netlink attributes 1156 * 1157 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32) 1158 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) 1159 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) 1160 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32) 1161 * @NFTA_LOG_LEVEL: log level (NLA_U32) 1162 * @NFTA_LOG_FLAGS: logging flags (NLA_U32) 1163 */ 1164enum nft_log_attributes { 1165 NFTA_LOG_UNSPEC, 1166 NFTA_LOG_GROUP, 1167 NFTA_LOG_PREFIX, 1168 NFTA_LOG_SNAPLEN, 1169 NFTA_LOG_QTHRESHOLD, 1170 NFTA_LOG_LEVEL, 1171 NFTA_LOG_FLAGS, 1172 __NFTA_LOG_MAX 1173}; 1174#define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) 1175 1176/** 1177 * enum nft_log_level - nf_tables log levels 1178 * 1179 * @NFT_LOGLEVEL_EMERG: system is unusable 1180 * @NFT_LOGLEVEL_ALERT: action must be taken immediately 1181 * @NFT_LOGLEVEL_CRIT: critical conditions 1182 * @NFT_LOGLEVEL_ERR: error conditions 1183 * @NFT_LOGLEVEL_WARNING: warning conditions 1184 * @NFT_LOGLEVEL_NOTICE: normal but significant condition 1185 * @NFT_LOGLEVEL_INFO: informational 1186 * @NFT_LOGLEVEL_DEBUG: debug-level messages 1187 * @NFT_LOGLEVEL_AUDIT: enabling audit logging 1188 */ 1189enum nft_log_level { 1190 NFT_LOGLEVEL_EMERG, 1191 NFT_LOGLEVEL_ALERT, 1192 NFT_LOGLEVEL_CRIT, 1193 NFT_LOGLEVEL_ERR, 1194 NFT_LOGLEVEL_WARNING, 1195 NFT_LOGLEVEL_NOTICE, 1196 NFT_LOGLEVEL_INFO, 1197 NFT_LOGLEVEL_DEBUG, 1198 NFT_LOGLEVEL_AUDIT, 1199 __NFT_LOGLEVEL_MAX 1200}; 1201#define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1) 1202 1203/** 1204 * enum nft_queue_attributes - nf_tables queue expression netlink attributes 1205 * 1206 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) 1207 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) 1208 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) 1209 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) 1210 */ 1211enum nft_queue_attributes { 1212 NFTA_QUEUE_UNSPEC, 1213 NFTA_QUEUE_NUM, 1214 NFTA_QUEUE_TOTAL, 1215 NFTA_QUEUE_FLAGS, 1216 NFTA_QUEUE_SREG_QNUM, 1217 __NFTA_QUEUE_MAX 1218}; 1219#define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) 1220 1221#define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ 1222#define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ 1223#define NFT_QUEUE_FLAG_MASK 0x03 1224 1225enum nft_quota_flags { 1226 NFT_QUOTA_F_INV = (1 << 0), 1227 NFT_QUOTA_F_DEPLETED = (1 << 1), 1228}; 1229 1230/** 1231 * enum nft_quota_attributes - nf_tables quota expression netlink attributes 1232 * 1233 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) 1234 * @NFTA_QUOTA_FLAGS: flags (NLA_U32) 1235 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64) 1236 */ 1237enum nft_quota_attributes { 1238 NFTA_QUOTA_UNSPEC, 1239 NFTA_QUOTA_BYTES, 1240 NFTA_QUOTA_FLAGS, 1241 NFTA_QUOTA_PAD, 1242 NFTA_QUOTA_CONSUMED, 1243 __NFTA_QUOTA_MAX 1244}; 1245#define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1) 1246 1247/** 1248 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes 1249 * 1250 * @NFTA_SECMARK_CTX: security context (NLA_STRING) 1251 */ 1252enum nft_secmark_attributes { 1253 NFTA_SECMARK_UNSPEC, 1254 NFTA_SECMARK_CTX, 1255 __NFTA_SECMARK_MAX, 1256}; 1257#define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) 1258 1259/* Max security context length */ 1260#define NFT_SECMARK_CTX_MAXLEN 256 1261 1262/** 1263 * enum nft_reject_types - nf_tables reject expression reject types 1264 * 1265 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable 1266 * @NFT_REJECT_TCP_RST: reject using TCP RST 1267 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet 1268 */ 1269enum nft_reject_types { 1270 NFT_REJECT_ICMP_UNREACH, 1271 NFT_REJECT_TCP_RST, 1272 NFT_REJECT_ICMPX_UNREACH, 1273}; 1274 1275/** 1276 * enum nft_reject_code - Generic reject codes for IPv4/IPv6 1277 * 1278 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable 1279 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable 1280 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable 1281 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited 1282 * 1283 * These codes are mapped to real ICMP and ICMPv6 codes. 1284 */ 1285enum nft_reject_inet_code { 1286 NFT_REJECT_ICMPX_NO_ROUTE = 0, 1287 NFT_REJECT_ICMPX_PORT_UNREACH, 1288 NFT_REJECT_ICMPX_HOST_UNREACH, 1289 NFT_REJECT_ICMPX_ADMIN_PROHIBITED, 1290 __NFT_REJECT_ICMPX_MAX 1291}; 1292#define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) 1293 1294/** 1295 * enum nft_reject_attributes - nf_tables reject expression netlink attributes 1296 * 1297 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) 1298 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) 1299 */ 1300enum nft_reject_attributes { 1301 NFTA_REJECT_UNSPEC, 1302 NFTA_REJECT_TYPE, 1303 NFTA_REJECT_ICMP_CODE, 1304 __NFTA_REJECT_MAX 1305}; 1306#define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) 1307 1308/** 1309 * enum nft_nat_types - nf_tables nat expression NAT types 1310 * 1311 * @NFT_NAT_SNAT: source NAT 1312 * @NFT_NAT_DNAT: destination NAT 1313 */ 1314enum nft_nat_types { 1315 NFT_NAT_SNAT, 1316 NFT_NAT_DNAT, 1317}; 1318 1319/** 1320 * enum nft_nat_attributes - nf_tables nat expression netlink attributes 1321 * 1322 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) 1323 * @NFTA_NAT_FAMILY: NAT family (NLA_U32) 1324 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) 1325 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) 1326 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1327 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1328 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1329 */ 1330enum nft_nat_attributes { 1331 NFTA_NAT_UNSPEC, 1332 NFTA_NAT_TYPE, 1333 NFTA_NAT_FAMILY, 1334 NFTA_NAT_REG_ADDR_MIN, 1335 NFTA_NAT_REG_ADDR_MAX, 1336 NFTA_NAT_REG_PROTO_MIN, 1337 NFTA_NAT_REG_PROTO_MAX, 1338 NFTA_NAT_FLAGS, 1339 __NFTA_NAT_MAX 1340}; 1341#define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) 1342 1343/** 1344 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes 1345 * 1346 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers) 1347 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers) 1348 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers) 1349 */ 1350enum nft_tproxy_attributes { 1351 NFTA_TPROXY_UNSPEC, 1352 NFTA_TPROXY_FAMILY, 1353 NFTA_TPROXY_REG_ADDR, 1354 NFTA_TPROXY_REG_PORT, 1355 __NFTA_TPROXY_MAX 1356}; 1357#define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1) 1358 1359/** 1360 * enum nft_masq_attributes - nf_tables masquerade expression attributes 1361 * 1362 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1363 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1364 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1365 */ 1366enum nft_masq_attributes { 1367 NFTA_MASQ_UNSPEC, 1368 NFTA_MASQ_FLAGS, 1369 NFTA_MASQ_REG_PROTO_MIN, 1370 NFTA_MASQ_REG_PROTO_MAX, 1371 __NFTA_MASQ_MAX 1372}; 1373#define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) 1374 1375/** 1376 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes 1377 * 1378 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1379 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1380 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1381 */ 1382enum nft_redir_attributes { 1383 NFTA_REDIR_UNSPEC, 1384 NFTA_REDIR_REG_PROTO_MIN, 1385 NFTA_REDIR_REG_PROTO_MAX, 1386 NFTA_REDIR_FLAGS, 1387 __NFTA_REDIR_MAX 1388}; 1389#define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) 1390 1391/** 1392 * enum nft_dup_attributes - nf_tables dup expression netlink attributes 1393 * 1394 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) 1395 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1396 */ 1397enum nft_dup_attributes { 1398 NFTA_DUP_UNSPEC, 1399 NFTA_DUP_SREG_ADDR, 1400 NFTA_DUP_SREG_DEV, 1401 __NFTA_DUP_MAX 1402}; 1403#define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) 1404 1405/** 1406 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes 1407 * 1408 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1409 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register) 1410 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto) 1411 */ 1412enum nft_fwd_attributes { 1413 NFTA_FWD_UNSPEC, 1414 NFTA_FWD_SREG_DEV, 1415 NFTA_FWD_SREG_ADDR, 1416 NFTA_FWD_NFPROTO, 1417 __NFTA_FWD_MAX 1418}; 1419#define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1) 1420 1421/** 1422 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes 1423 * 1424 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register) 1425 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING) 1426 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers) 1427 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING) 1428 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32) 1429 */ 1430enum nft_objref_attributes { 1431 NFTA_OBJREF_UNSPEC, 1432 NFTA_OBJREF_IMM_TYPE, 1433 NFTA_OBJREF_IMM_NAME, 1434 NFTA_OBJREF_SET_SREG, 1435 NFTA_OBJREF_SET_NAME, 1436 NFTA_OBJREF_SET_ID, 1437 __NFTA_OBJREF_MAX 1438}; 1439#define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1) 1440 1441/** 1442 * enum nft_gen_attributes - nf_tables ruleset generation attributes 1443 * 1444 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) 1445 */ 1446enum nft_gen_attributes { 1447 NFTA_GEN_UNSPEC, 1448 NFTA_GEN_ID, 1449 NFTA_GEN_PROC_PID, 1450 NFTA_GEN_PROC_NAME, 1451 __NFTA_GEN_MAX 1452}; 1453#define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) 1454 1455/* 1456 * enum nft_fib_attributes - nf_tables fib expression netlink attributes 1457 * 1458 * @NFTA_FIB_DREG: destination register (NLA_U32) 1459 * @NFTA_FIB_RESULT: desired result (NLA_U32) 1460 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) 1461 * 1462 * The FIB expression performs a route lookup according 1463 * to the packet data. 1464 */ 1465enum nft_fib_attributes { 1466 NFTA_FIB_UNSPEC, 1467 NFTA_FIB_DREG, 1468 NFTA_FIB_RESULT, 1469 NFTA_FIB_FLAGS, 1470 __NFTA_FIB_MAX 1471}; 1472#define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1) 1473 1474enum nft_fib_result { 1475 NFT_FIB_RESULT_UNSPEC, 1476 NFT_FIB_RESULT_OIF, 1477 NFT_FIB_RESULT_OIFNAME, 1478 NFT_FIB_RESULT_ADDRTYPE, 1479 __NFT_FIB_RESULT_MAX 1480}; 1481#define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1) 1482 1483enum nft_fib_flags { 1484 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */ 1485 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */ 1486 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */ 1487 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */ 1488 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */ 1489 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */ 1490}; 1491 1492enum nft_ct_helper_attributes { 1493 NFTA_CT_HELPER_UNSPEC, 1494 NFTA_CT_HELPER_NAME, 1495 NFTA_CT_HELPER_L3PROTO, 1496 NFTA_CT_HELPER_L4PROTO, 1497 __NFTA_CT_HELPER_MAX, 1498}; 1499#define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1) 1500 1501enum nft_ct_timeout_timeout_attributes { 1502 NFTA_CT_TIMEOUT_UNSPEC, 1503 NFTA_CT_TIMEOUT_L3PROTO, 1504 NFTA_CT_TIMEOUT_L4PROTO, 1505 NFTA_CT_TIMEOUT_DATA, 1506 __NFTA_CT_TIMEOUT_MAX, 1507}; 1508#define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1) 1509 1510enum nft_ct_expectation_attributes { 1511 NFTA_CT_EXPECT_UNSPEC, 1512 NFTA_CT_EXPECT_L3PROTO, 1513 NFTA_CT_EXPECT_L4PROTO, 1514 NFTA_CT_EXPECT_DPORT, 1515 NFTA_CT_EXPECT_TIMEOUT, 1516 NFTA_CT_EXPECT_SIZE, 1517 __NFTA_CT_EXPECT_MAX, 1518}; 1519#define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1) 1520 1521#define NFT_OBJECT_UNSPEC 0 1522#define NFT_OBJECT_COUNTER 1 1523#define NFT_OBJECT_QUOTA 2 1524#define NFT_OBJECT_CT_HELPER 3 1525#define NFT_OBJECT_LIMIT 4 1526#define NFT_OBJECT_CONNLIMIT 5 1527#define NFT_OBJECT_TUNNEL 6 1528#define NFT_OBJECT_CT_TIMEOUT 7 1529#define NFT_OBJECT_SECMARK 8 1530#define NFT_OBJECT_CT_EXPECT 9 1531#define NFT_OBJECT_SYNPROXY 10 1532#define __NFT_OBJECT_MAX 11 1533#define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1) 1534 1535/** 1536 * enum nft_object_attributes - nf_tables stateful object netlink attributes 1537 * 1538 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING) 1539 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING) 1540 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32) 1541 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) 1542 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) 1543 * @NFTA_OBJ_HANDLE: object handle (NLA_U64) 1544 */ 1545enum nft_object_attributes { 1546 NFTA_OBJ_UNSPEC, 1547 NFTA_OBJ_TABLE, 1548 NFTA_OBJ_NAME, 1549 NFTA_OBJ_TYPE, 1550 NFTA_OBJ_DATA, 1551 NFTA_OBJ_USE, 1552 NFTA_OBJ_HANDLE, 1553 NFTA_OBJ_PAD, 1554 __NFTA_OBJ_MAX 1555}; 1556#define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1) 1557 1558/** 1559 * enum nft_flowtable_flags - nf_tables flowtable flags 1560 * 1561 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled 1562 * @NFT_FLOWTABLE_COUNTER: enable flow counters 1563 */ 1564enum nft_flowtable_flags { 1565 NFT_FLOWTABLE_HW_OFFLOAD = 0x1, 1566 NFT_FLOWTABLE_COUNTER = 0x2, 1567 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD | 1568 NFT_FLOWTABLE_COUNTER) 1569}; 1570 1571/** 1572 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes 1573 * 1574 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) 1575 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) 1576 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32) 1577 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) 1578 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) 1579 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32) 1580 */ 1581enum nft_flowtable_attributes { 1582 NFTA_FLOWTABLE_UNSPEC, 1583 NFTA_FLOWTABLE_TABLE, 1584 NFTA_FLOWTABLE_NAME, 1585 NFTA_FLOWTABLE_HOOK, 1586 NFTA_FLOWTABLE_USE, 1587 NFTA_FLOWTABLE_HANDLE, 1588 NFTA_FLOWTABLE_PAD, 1589 NFTA_FLOWTABLE_FLAGS, 1590 __NFTA_FLOWTABLE_MAX 1591}; 1592#define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1) 1593 1594/** 1595 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes 1596 * 1597 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32) 1598 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 1599 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED) 1600 */ 1601enum nft_flowtable_hook_attributes { 1602 NFTA_FLOWTABLE_HOOK_UNSPEC, 1603 NFTA_FLOWTABLE_HOOK_NUM, 1604 NFTA_FLOWTABLE_HOOK_PRIORITY, 1605 NFTA_FLOWTABLE_HOOK_DEVS, 1606 __NFTA_FLOWTABLE_HOOK_MAX 1607}; 1608#define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1) 1609 1610/** 1611 * enum nft_osf_attributes - nftables osf expression netlink attributes 1612 * 1613 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers) 1614 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8) 1615 * @NFTA_OSF_FLAGS: flags (NLA_U32) 1616 */ 1617enum nft_osf_attributes { 1618 NFTA_OSF_UNSPEC, 1619 NFTA_OSF_DREG, 1620 NFTA_OSF_TTL, 1621 NFTA_OSF_FLAGS, 1622 __NFTA_OSF_MAX, 1623}; 1624#define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1) 1625 1626enum nft_osf_flags { 1627 NFT_OSF_F_VERSION = (1 << 0), 1628}; 1629 1630/** 1631 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes 1632 * 1633 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16) 1634 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8) 1635 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32) 1636 */ 1637enum nft_synproxy_attributes { 1638 NFTA_SYNPROXY_UNSPEC, 1639 NFTA_SYNPROXY_MSS, 1640 NFTA_SYNPROXY_WSCALE, 1641 NFTA_SYNPROXY_FLAGS, 1642 __NFTA_SYNPROXY_MAX, 1643}; 1644#define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1) 1645 1646/** 1647 * enum nft_device_attributes - nf_tables device netlink attributes 1648 * 1649 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING) 1650 */ 1651enum nft_devices_attributes { 1652 NFTA_DEVICE_UNSPEC, 1653 NFTA_DEVICE_NAME, 1654 __NFTA_DEVICE_MAX 1655}; 1656#define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1) 1657 1658/* 1659 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes 1660 * 1661 * @NFTA_XFRM_DREG: destination register (NLA_U32) 1662 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32) 1663 * @NFTA_XFRM_DIR: direction (NLA_U8) 1664 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32) 1665 */ 1666enum nft_xfrm_attributes { 1667 NFTA_XFRM_UNSPEC, 1668 NFTA_XFRM_DREG, 1669 NFTA_XFRM_KEY, 1670 NFTA_XFRM_DIR, 1671 NFTA_XFRM_SPNUM, 1672 __NFTA_XFRM_MAX 1673}; 1674#define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1) 1675 1676enum nft_xfrm_keys { 1677 NFT_XFRM_KEY_UNSPEC, 1678 NFT_XFRM_KEY_DADDR_IP4, 1679 NFT_XFRM_KEY_DADDR_IP6, 1680 NFT_XFRM_KEY_SADDR_IP4, 1681 NFT_XFRM_KEY_SADDR_IP6, 1682 NFT_XFRM_KEY_REQID, 1683 NFT_XFRM_KEY_SPI, 1684 __NFT_XFRM_KEY_MAX, 1685}; 1686#define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1) 1687 1688/** 1689 * enum nft_trace_attributes - nf_tables trace netlink attributes 1690 * 1691 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) 1692 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) 1693 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) 1694 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) 1695 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) 1696 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) 1697 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) 1698 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) 1699 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) 1700 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) 1701 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) 1702 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) 1703 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) 1704 * @NFTA_TRACE_MARK: nfmark (NLA_U32) 1705 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) 1706 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) 1707 */ 1708enum nft_trace_attributes { 1709 NFTA_TRACE_UNSPEC, 1710 NFTA_TRACE_TABLE, 1711 NFTA_TRACE_CHAIN, 1712 NFTA_TRACE_RULE_HANDLE, 1713 NFTA_TRACE_TYPE, 1714 NFTA_TRACE_VERDICT, 1715 NFTA_TRACE_ID, 1716 NFTA_TRACE_LL_HEADER, 1717 NFTA_TRACE_NETWORK_HEADER, 1718 NFTA_TRACE_TRANSPORT_HEADER, 1719 NFTA_TRACE_IIF, 1720 NFTA_TRACE_IIFTYPE, 1721 NFTA_TRACE_OIF, 1722 NFTA_TRACE_OIFTYPE, 1723 NFTA_TRACE_MARK, 1724 NFTA_TRACE_NFPROTO, 1725 NFTA_TRACE_POLICY, 1726 NFTA_TRACE_PAD, 1727 __NFTA_TRACE_MAX 1728}; 1729#define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1) 1730 1731enum nft_trace_types { 1732 NFT_TRACETYPE_UNSPEC, 1733 NFT_TRACETYPE_POLICY, 1734 NFT_TRACETYPE_RETURN, 1735 NFT_TRACETYPE_RULE, 1736 __NFT_TRACETYPE_MAX 1737}; 1738#define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) 1739 1740/** 1741 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes 1742 * 1743 * @NFTA_NG_DREG: destination register (NLA_U32) 1744 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) 1745 * @NFTA_NG_TYPE: operation type (NLA_U32) 1746 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) 1747 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING) 1748 * @NFTA_NG_SET_ID: id of the map (NLA_U32) 1749 */ 1750enum nft_ng_attributes { 1751 NFTA_NG_UNSPEC, 1752 NFTA_NG_DREG, 1753 NFTA_NG_MODULUS, 1754 NFTA_NG_TYPE, 1755 NFTA_NG_OFFSET, 1756 NFTA_NG_SET_NAME, /* deprecated */ 1757 NFTA_NG_SET_ID, /* deprecated */ 1758 __NFTA_NG_MAX 1759}; 1760#define NFTA_NG_MAX (__NFTA_NG_MAX - 1) 1761 1762enum nft_ng_types { 1763 NFT_NG_INCREMENTAL, 1764 NFT_NG_RANDOM, 1765 __NFT_NG_MAX 1766}; 1767#define NFT_NG_MAX (__NFT_NG_MAX - 1) 1768 1769enum nft_tunnel_key_ip_attributes { 1770 NFTA_TUNNEL_KEY_IP_UNSPEC, 1771 NFTA_TUNNEL_KEY_IP_SRC, 1772 NFTA_TUNNEL_KEY_IP_DST, 1773 __NFTA_TUNNEL_KEY_IP_MAX 1774}; 1775#define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1) 1776 1777enum nft_tunnel_ip6_attributes { 1778 NFTA_TUNNEL_KEY_IP6_UNSPEC, 1779 NFTA_TUNNEL_KEY_IP6_SRC, 1780 NFTA_TUNNEL_KEY_IP6_DST, 1781 NFTA_TUNNEL_KEY_IP6_FLOWLABEL, 1782 __NFTA_TUNNEL_KEY_IP6_MAX 1783}; 1784#define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1) 1785 1786enum nft_tunnel_opts_attributes { 1787 NFTA_TUNNEL_KEY_OPTS_UNSPEC, 1788 NFTA_TUNNEL_KEY_OPTS_VXLAN, 1789 NFTA_TUNNEL_KEY_OPTS_ERSPAN, 1790 NFTA_TUNNEL_KEY_OPTS_GENEVE, 1791 __NFTA_TUNNEL_KEY_OPTS_MAX 1792}; 1793#define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1) 1794 1795enum nft_tunnel_opts_vxlan_attributes { 1796 NFTA_TUNNEL_KEY_VXLAN_UNSPEC, 1797 NFTA_TUNNEL_KEY_VXLAN_GBP, 1798 __NFTA_TUNNEL_KEY_VXLAN_MAX 1799}; 1800#define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1) 1801 1802enum nft_tunnel_opts_erspan_attributes { 1803 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC, 1804 NFTA_TUNNEL_KEY_ERSPAN_VERSION, 1805 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX, 1806 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID, 1807 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR, 1808 __NFTA_TUNNEL_KEY_ERSPAN_MAX 1809}; 1810#define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1) 1811 1812enum nft_tunnel_opts_geneve_attributes { 1813 NFTA_TUNNEL_KEY_GENEVE_UNSPEC, 1814 NFTA_TUNNEL_KEY_GENEVE_CLASS, 1815 NFTA_TUNNEL_KEY_GENEVE_TYPE, 1816 NFTA_TUNNEL_KEY_GENEVE_DATA, 1817 __NFTA_TUNNEL_KEY_GENEVE_MAX 1818}; 1819#define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1) 1820 1821enum nft_tunnel_flags { 1822 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0), 1823 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1), 1824 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2), 1825}; 1826#define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \ 1827 NFT_TUNNEL_F_DONT_FRAGMENT | \ 1828 NFT_TUNNEL_F_SEQ_NUMBER) 1829 1830enum nft_tunnel_key_attributes { 1831 NFTA_TUNNEL_KEY_UNSPEC, 1832 NFTA_TUNNEL_KEY_ID, 1833 NFTA_TUNNEL_KEY_IP, 1834 NFTA_TUNNEL_KEY_IP6, 1835 NFTA_TUNNEL_KEY_FLAGS, 1836 NFTA_TUNNEL_KEY_TOS, 1837 NFTA_TUNNEL_KEY_TTL, 1838 NFTA_TUNNEL_KEY_SPORT, 1839 NFTA_TUNNEL_KEY_DPORT, 1840 NFTA_TUNNEL_KEY_OPTS, 1841 __NFTA_TUNNEL_KEY_MAX 1842}; 1843#define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1) 1844 1845enum nft_tunnel_keys { 1846 NFT_TUNNEL_PATH, 1847 NFT_TUNNEL_ID, 1848 __NFT_TUNNEL_MAX 1849}; 1850#define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1) 1851 1852enum nft_tunnel_mode { 1853 NFT_TUNNEL_MODE_NONE, 1854 NFT_TUNNEL_MODE_RX, 1855 NFT_TUNNEL_MODE_TX, 1856 __NFT_TUNNEL_MODE_MAX 1857}; 1858#define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1) 1859 1860enum nft_tunnel_attributes { 1861 NFTA_TUNNEL_UNSPEC, 1862 NFTA_TUNNEL_KEY, 1863 NFTA_TUNNEL_DREG, 1864 NFTA_TUNNEL_MODE, 1865 __NFTA_TUNNEL_MAX 1866}; 1867#define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1) 1868 1869#endif /* _LINUX_NF_TABLES_H */ 1870