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 #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 */ 64 enum 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 * @NFT_MSG_GETRULE_RESET: get rules and reset stateful expressions (enum nft_obj_attributes) 101 */ 102 enum nf_tables_msg_types { 103 NFT_MSG_NEWTABLE, 104 NFT_MSG_GETTABLE, 105 NFT_MSG_DELTABLE, 106 NFT_MSG_NEWCHAIN, 107 NFT_MSG_GETCHAIN, 108 NFT_MSG_DELCHAIN, 109 NFT_MSG_NEWRULE, 110 NFT_MSG_GETRULE, 111 NFT_MSG_DELRULE, 112 NFT_MSG_NEWSET, 113 NFT_MSG_GETSET, 114 NFT_MSG_DELSET, 115 NFT_MSG_NEWSETELEM, 116 NFT_MSG_GETSETELEM, 117 NFT_MSG_DELSETELEM, 118 NFT_MSG_NEWGEN, 119 NFT_MSG_GETGEN, 120 NFT_MSG_TRACE, 121 NFT_MSG_NEWOBJ, 122 NFT_MSG_GETOBJ, 123 NFT_MSG_DELOBJ, 124 NFT_MSG_GETOBJ_RESET, 125 NFT_MSG_NEWFLOWTABLE, 126 NFT_MSG_GETFLOWTABLE, 127 NFT_MSG_DELFLOWTABLE, 128 NFT_MSG_GETRULE_RESET, 129 NFT_MSG_MAX, 130 }; 131 132 /** 133 * enum nft_list_attributes - nf_tables generic list netlink attributes 134 * 135 * @NFTA_LIST_ELEM: list element (NLA_NESTED) 136 */ 137 enum nft_list_attributes { 138 NFTA_LIST_UNSPEC, 139 NFTA_LIST_ELEM, 140 __NFTA_LIST_MAX 141 }; 142 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) 143 144 /** 145 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes 146 * 147 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) 148 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 149 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING) 150 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED) 151 */ 152 enum nft_hook_attributes { 153 NFTA_HOOK_UNSPEC, 154 NFTA_HOOK_HOOKNUM, 155 NFTA_HOOK_PRIORITY, 156 NFTA_HOOK_DEV, 157 NFTA_HOOK_DEVS, 158 __NFTA_HOOK_MAX 159 }; 160 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) 161 162 /** 163 * enum nft_table_flags - nf_tables table flags 164 * 165 * @NFT_TABLE_F_DORMANT: this table is not active 166 */ 167 enum nft_table_flags { 168 NFT_TABLE_F_DORMANT = 0x1, 169 NFT_TABLE_F_OWNER = 0x2, 170 }; 171 #define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | \ 172 NFT_TABLE_F_OWNER) 173 174 /** 175 * enum nft_table_attributes - nf_tables table netlink attributes 176 * 177 * @NFTA_TABLE_NAME: name of the table (NLA_STRING) 178 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) 179 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) 180 * @NFTA_TABLE_USERDATA: user data (NLA_BINARY) 181 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32) 182 */ 183 enum nft_table_attributes { 184 NFTA_TABLE_UNSPEC, 185 NFTA_TABLE_NAME, 186 NFTA_TABLE_FLAGS, 187 NFTA_TABLE_USE, 188 NFTA_TABLE_HANDLE, 189 NFTA_TABLE_PAD, 190 NFTA_TABLE_USERDATA, 191 NFTA_TABLE_OWNER, 192 __NFTA_TABLE_MAX 193 }; 194 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) 195 196 enum nft_chain_flags { 197 NFT_CHAIN_BASE = (1 << 0), 198 NFT_CHAIN_HW_OFFLOAD = (1 << 1), 199 NFT_CHAIN_BINDING = (1 << 2), 200 }; 201 #define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \ 202 NFT_CHAIN_HW_OFFLOAD | \ 203 NFT_CHAIN_BINDING) 204 205 /** 206 * enum nft_chain_attributes - nf_tables chain netlink attributes 207 * 208 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) 209 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) 210 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) 211 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) 212 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) 213 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) 214 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) 215 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) 216 * @NFTA_CHAIN_FLAGS: chain flags 217 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32) 218 * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY) 219 */ 220 enum nft_chain_attributes { 221 NFTA_CHAIN_UNSPEC, 222 NFTA_CHAIN_TABLE, 223 NFTA_CHAIN_HANDLE, 224 NFTA_CHAIN_NAME, 225 NFTA_CHAIN_HOOK, 226 NFTA_CHAIN_POLICY, 227 NFTA_CHAIN_USE, 228 NFTA_CHAIN_TYPE, 229 NFTA_CHAIN_COUNTERS, 230 NFTA_CHAIN_PAD, 231 NFTA_CHAIN_FLAGS, 232 NFTA_CHAIN_ID, 233 NFTA_CHAIN_USERDATA, 234 __NFTA_CHAIN_MAX 235 }; 236 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) 237 238 /** 239 * enum nft_rule_attributes - nf_tables rule netlink attributes 240 * 241 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) 242 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) 243 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) 244 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) 245 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) 246 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) 247 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) 248 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32) 249 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32) 250 */ 251 enum nft_rule_attributes { 252 NFTA_RULE_UNSPEC, 253 NFTA_RULE_TABLE, 254 NFTA_RULE_CHAIN, 255 NFTA_RULE_HANDLE, 256 NFTA_RULE_EXPRESSIONS, 257 NFTA_RULE_COMPAT, 258 NFTA_RULE_POSITION, 259 NFTA_RULE_USERDATA, 260 NFTA_RULE_PAD, 261 NFTA_RULE_ID, 262 NFTA_RULE_POSITION_ID, 263 NFTA_RULE_CHAIN_ID, 264 __NFTA_RULE_MAX 265 }; 266 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) 267 268 /** 269 * enum nft_rule_compat_flags - nf_tables rule compat flags 270 * 271 * @NFT_RULE_COMPAT_F_INV: invert the check result 272 */ 273 enum nft_rule_compat_flags { 274 NFT_RULE_COMPAT_F_INV = (1 << 1), 275 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, 276 }; 277 278 /** 279 * enum nft_rule_compat_attributes - nf_tables rule compat attributes 280 * 281 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32) 282 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) 283 */ 284 enum nft_rule_compat_attributes { 285 NFTA_RULE_COMPAT_UNSPEC, 286 NFTA_RULE_COMPAT_PROTO, 287 NFTA_RULE_COMPAT_FLAGS, 288 __NFTA_RULE_COMPAT_MAX 289 }; 290 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) 291 292 /** 293 * enum nft_set_flags - nf_tables set flags 294 * 295 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink 296 * @NFT_SET_CONSTANT: set contents may not change while bound 297 * @NFT_SET_INTERVAL: set contains intervals 298 * @NFT_SET_MAP: set is used as a dictionary 299 * @NFT_SET_TIMEOUT: set uses timeouts 300 * @NFT_SET_EVAL: set can be updated from the evaluation path 301 * @NFT_SET_OBJECT: set contains stateful objects 302 * @NFT_SET_CONCAT: set contains a concatenation 303 * @NFT_SET_EXPR: set contains expressions 304 */ 305 enum nft_set_flags { 306 NFT_SET_ANONYMOUS = 0x1, 307 NFT_SET_CONSTANT = 0x2, 308 NFT_SET_INTERVAL = 0x4, 309 NFT_SET_MAP = 0x8, 310 NFT_SET_TIMEOUT = 0x10, 311 NFT_SET_EVAL = 0x20, 312 NFT_SET_OBJECT = 0x40, 313 NFT_SET_CONCAT = 0x80, 314 NFT_SET_EXPR = 0x100, 315 }; 316 317 /** 318 * enum nft_set_policies - set selection policy 319 * 320 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use 321 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance 322 */ 323 enum nft_set_policies { 324 NFT_SET_POL_PERFORMANCE, 325 NFT_SET_POL_MEMORY, 326 }; 327 328 /** 329 * enum nft_set_desc_attributes - set element description 330 * 331 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) 332 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED) 333 */ 334 enum nft_set_desc_attributes { 335 NFTA_SET_DESC_UNSPEC, 336 NFTA_SET_DESC_SIZE, 337 NFTA_SET_DESC_CONCAT, 338 __NFTA_SET_DESC_MAX 339 }; 340 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) 341 342 /** 343 * enum nft_set_field_attributes - attributes of concatenated fields 344 * 345 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32) 346 */ 347 enum nft_set_field_attributes { 348 NFTA_SET_FIELD_UNSPEC, 349 NFTA_SET_FIELD_LEN, 350 __NFTA_SET_FIELD_MAX 351 }; 352 #define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1) 353 354 /** 355 * enum nft_set_attributes - nf_tables set netlink attributes 356 * 357 * @NFTA_SET_TABLE: table name (NLA_STRING) 358 * @NFTA_SET_NAME: set name (NLA_STRING) 359 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) 360 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) 361 * @NFTA_SET_KEY_LEN: key data length (NLA_U32) 362 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) 363 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) 364 * @NFTA_SET_POLICY: selection policy (NLA_U32) 365 * @NFTA_SET_DESC: set description (NLA_NESTED) 366 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 367 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) 368 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) 369 * @NFTA_SET_USERDATA: user data (NLA_BINARY) 370 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*) 371 * @NFTA_SET_HANDLE: set handle (NLA_U64) 372 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes) 373 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 374 */ 375 enum nft_set_attributes { 376 NFTA_SET_UNSPEC, 377 NFTA_SET_TABLE, 378 NFTA_SET_NAME, 379 NFTA_SET_FLAGS, 380 NFTA_SET_KEY_TYPE, 381 NFTA_SET_KEY_LEN, 382 NFTA_SET_DATA_TYPE, 383 NFTA_SET_DATA_LEN, 384 NFTA_SET_POLICY, 385 NFTA_SET_DESC, 386 NFTA_SET_ID, 387 NFTA_SET_TIMEOUT, 388 NFTA_SET_GC_INTERVAL, 389 NFTA_SET_USERDATA, 390 NFTA_SET_PAD, 391 NFTA_SET_OBJ_TYPE, 392 NFTA_SET_HANDLE, 393 NFTA_SET_EXPR, 394 NFTA_SET_EXPRESSIONS, 395 __NFTA_SET_MAX 396 }; 397 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) 398 399 /** 400 * enum nft_set_elem_flags - nf_tables set element flags 401 * 402 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval 403 * @NFT_SET_ELEM_CATCHALL: special catch-all element 404 */ 405 enum nft_set_elem_flags { 406 NFT_SET_ELEM_INTERVAL_END = 0x1, 407 NFT_SET_ELEM_CATCHALL = 0x2, 408 }; 409 410 /** 411 * enum nft_set_elem_attributes - nf_tables set element netlink attributes 412 * 413 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) 414 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) 415 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) 416 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64) 417 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) 418 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) 419 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) 420 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING) 421 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data) 422 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 423 */ 424 enum nft_set_elem_attributes { 425 NFTA_SET_ELEM_UNSPEC, 426 NFTA_SET_ELEM_KEY, 427 NFTA_SET_ELEM_DATA, 428 NFTA_SET_ELEM_FLAGS, 429 NFTA_SET_ELEM_TIMEOUT, 430 NFTA_SET_ELEM_EXPIRATION, 431 NFTA_SET_ELEM_USERDATA, 432 NFTA_SET_ELEM_EXPR, 433 NFTA_SET_ELEM_PAD, 434 NFTA_SET_ELEM_OBJREF, 435 NFTA_SET_ELEM_KEY_END, 436 NFTA_SET_ELEM_EXPRESSIONS, 437 __NFTA_SET_ELEM_MAX 438 }; 439 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) 440 441 /** 442 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes 443 * 444 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) 445 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) 446 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) 447 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 448 */ 449 enum nft_set_elem_list_attributes { 450 NFTA_SET_ELEM_LIST_UNSPEC, 451 NFTA_SET_ELEM_LIST_TABLE, 452 NFTA_SET_ELEM_LIST_SET, 453 NFTA_SET_ELEM_LIST_ELEMENTS, 454 NFTA_SET_ELEM_LIST_SET_ID, 455 __NFTA_SET_ELEM_LIST_MAX 456 }; 457 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) 458 459 /** 460 * enum nft_data_types - nf_tables data types 461 * 462 * @NFT_DATA_VALUE: generic data 463 * @NFT_DATA_VERDICT: netfilter verdict 464 * 465 * The type of data is usually determined by the kernel directly and is not 466 * explicitly specified by userspace. The only difference are sets, where 467 * userspace specifies the key and mapping data types. 468 * 469 * The values 0xffffff00-0xffffffff are reserved for internally used types. 470 * The remaining range can be freely used by userspace to encode types, all 471 * values are equivalent to NFT_DATA_VALUE. 472 */ 473 enum nft_data_types { 474 NFT_DATA_VALUE, 475 NFT_DATA_VERDICT = 0xffffff00U, 476 }; 477 478 #define NFT_DATA_RESERVED_MASK 0xffffff00U 479 480 /** 481 * enum nft_data_attributes - nf_tables data netlink attributes 482 * 483 * @NFTA_DATA_VALUE: generic data (NLA_BINARY) 484 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) 485 */ 486 enum nft_data_attributes { 487 NFTA_DATA_UNSPEC, 488 NFTA_DATA_VALUE, 489 NFTA_DATA_VERDICT, 490 __NFTA_DATA_MAX 491 }; 492 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) 493 494 /* Maximum length of a value */ 495 #define NFT_DATA_VALUE_MAXLEN 64 496 497 /** 498 * enum nft_verdict_attributes - nf_tables verdict netlink attributes 499 * 500 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) 501 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) 502 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32) 503 */ 504 enum nft_verdict_attributes { 505 NFTA_VERDICT_UNSPEC, 506 NFTA_VERDICT_CODE, 507 NFTA_VERDICT_CHAIN, 508 NFTA_VERDICT_CHAIN_ID, 509 __NFTA_VERDICT_MAX 510 }; 511 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) 512 513 /** 514 * enum nft_expr_attributes - nf_tables expression netlink attributes 515 * 516 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) 517 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) 518 */ 519 enum nft_expr_attributes { 520 NFTA_EXPR_UNSPEC, 521 NFTA_EXPR_NAME, 522 NFTA_EXPR_DATA, 523 __NFTA_EXPR_MAX 524 }; 525 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) 526 527 /** 528 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes 529 * 530 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) 531 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) 532 */ 533 enum nft_immediate_attributes { 534 NFTA_IMMEDIATE_UNSPEC, 535 NFTA_IMMEDIATE_DREG, 536 NFTA_IMMEDIATE_DATA, 537 __NFTA_IMMEDIATE_MAX 538 }; 539 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) 540 541 /** 542 * enum nft_bitwise_ops - nf_tables bitwise operations 543 * 544 * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and 545 * XOR boolean operations 546 * @NFT_BITWISE_LSHIFT: left-shift operation 547 * @NFT_BITWISE_RSHIFT: right-shift operation 548 */ 549 enum nft_bitwise_ops { 550 NFT_BITWISE_BOOL, 551 NFT_BITWISE_LSHIFT, 552 NFT_BITWISE_RSHIFT, 553 }; 554 555 /** 556 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes 557 * 558 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) 559 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) 560 * @NFTA_BITWISE_LEN: length of operands (NLA_U32) 561 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) 562 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) 563 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops) 564 * @NFTA_BITWISE_DATA: argument for non-boolean operations 565 * (NLA_NESTED: nft_data_attributes) 566 * 567 * The bitwise expression supports boolean and shift operations. It implements 568 * the boolean operations by performing the following operation: 569 * 570 * dreg = (sreg & mask) ^ xor 571 * 572 * with these mask and xor values: 573 * 574 * mask xor 575 * NOT: 1 1 576 * OR: ~x x 577 * XOR: 1 x 578 * AND: x 0 579 */ 580 enum nft_bitwise_attributes { 581 NFTA_BITWISE_UNSPEC, 582 NFTA_BITWISE_SREG, 583 NFTA_BITWISE_DREG, 584 NFTA_BITWISE_LEN, 585 NFTA_BITWISE_MASK, 586 NFTA_BITWISE_XOR, 587 NFTA_BITWISE_OP, 588 NFTA_BITWISE_DATA, 589 __NFTA_BITWISE_MAX 590 }; 591 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) 592 593 /** 594 * enum nft_byteorder_ops - nf_tables byteorder operators 595 * 596 * @NFT_BYTEORDER_NTOH: network to host operator 597 * @NFT_BYTEORDER_HTON: host to network operator 598 */ 599 enum nft_byteorder_ops { 600 NFT_BYTEORDER_NTOH, 601 NFT_BYTEORDER_HTON, 602 }; 603 604 /** 605 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes 606 * 607 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) 608 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) 609 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) 610 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) 611 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) 612 */ 613 enum nft_byteorder_attributes { 614 NFTA_BYTEORDER_UNSPEC, 615 NFTA_BYTEORDER_SREG, 616 NFTA_BYTEORDER_DREG, 617 NFTA_BYTEORDER_OP, 618 NFTA_BYTEORDER_LEN, 619 NFTA_BYTEORDER_SIZE, 620 __NFTA_BYTEORDER_MAX 621 }; 622 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) 623 624 /** 625 * enum nft_cmp_ops - nf_tables relational operator 626 * 627 * @NFT_CMP_EQ: equal 628 * @NFT_CMP_NEQ: not equal 629 * @NFT_CMP_LT: less than 630 * @NFT_CMP_LTE: less than or equal to 631 * @NFT_CMP_GT: greater than 632 * @NFT_CMP_GTE: greater than or equal to 633 */ 634 enum nft_cmp_ops { 635 NFT_CMP_EQ, 636 NFT_CMP_NEQ, 637 NFT_CMP_LT, 638 NFT_CMP_LTE, 639 NFT_CMP_GT, 640 NFT_CMP_GTE, 641 }; 642 643 /** 644 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes 645 * 646 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) 647 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) 648 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) 649 */ 650 enum nft_cmp_attributes { 651 NFTA_CMP_UNSPEC, 652 NFTA_CMP_SREG, 653 NFTA_CMP_OP, 654 NFTA_CMP_DATA, 655 __NFTA_CMP_MAX 656 }; 657 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) 658 659 /** 660 * enum nft_range_ops - nf_tables range operator 661 * 662 * @NFT_RANGE_EQ: equal 663 * @NFT_RANGE_NEQ: not equal 664 */ 665 enum nft_range_ops { 666 NFT_RANGE_EQ, 667 NFT_RANGE_NEQ, 668 }; 669 670 /** 671 * enum nft_range_attributes - nf_tables range expression netlink attributes 672 * 673 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) 674 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops) 675 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) 676 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) 677 */ 678 enum nft_range_attributes { 679 NFTA_RANGE_UNSPEC, 680 NFTA_RANGE_SREG, 681 NFTA_RANGE_OP, 682 NFTA_RANGE_FROM_DATA, 683 NFTA_RANGE_TO_DATA, 684 __NFTA_RANGE_MAX 685 }; 686 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1) 687 688 enum nft_lookup_flags { 689 NFT_LOOKUP_F_INV = (1 << 0), 690 }; 691 692 /** 693 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes 694 * 695 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) 696 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) 697 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) 698 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 699 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) 700 */ 701 enum nft_lookup_attributes { 702 NFTA_LOOKUP_UNSPEC, 703 NFTA_LOOKUP_SET, 704 NFTA_LOOKUP_SREG, 705 NFTA_LOOKUP_DREG, 706 NFTA_LOOKUP_SET_ID, 707 NFTA_LOOKUP_FLAGS, 708 __NFTA_LOOKUP_MAX 709 }; 710 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) 711 712 enum nft_dynset_ops { 713 NFT_DYNSET_OP_ADD, 714 NFT_DYNSET_OP_UPDATE, 715 NFT_DYNSET_OP_DELETE, 716 }; 717 718 enum nft_dynset_flags { 719 NFT_DYNSET_F_INV = (1 << 0), 720 NFT_DYNSET_F_EXPR = (1 << 1), 721 }; 722 723 /** 724 * enum nft_dynset_attributes - dynset expression attributes 725 * 726 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) 727 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) 728 * @NFTA_DYNSET_OP: operation (NLA_U32) 729 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) 730 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) 731 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) 732 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) 733 * @NFTA_DYNSET_FLAGS: flags (NLA_U32) 734 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 735 */ 736 enum nft_dynset_attributes { 737 NFTA_DYNSET_UNSPEC, 738 NFTA_DYNSET_SET_NAME, 739 NFTA_DYNSET_SET_ID, 740 NFTA_DYNSET_OP, 741 NFTA_DYNSET_SREG_KEY, 742 NFTA_DYNSET_SREG_DATA, 743 NFTA_DYNSET_TIMEOUT, 744 NFTA_DYNSET_EXPR, 745 NFTA_DYNSET_PAD, 746 NFTA_DYNSET_FLAGS, 747 NFTA_DYNSET_EXPRESSIONS, 748 __NFTA_DYNSET_MAX, 749 }; 750 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) 751 752 /** 753 * enum nft_payload_bases - nf_tables payload expression offset bases 754 * 755 * @NFT_PAYLOAD_LL_HEADER: link layer header 756 * @NFT_PAYLOAD_NETWORK_HEADER: network header 757 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header 758 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload 759 */ 760 enum nft_payload_bases { 761 NFT_PAYLOAD_LL_HEADER, 762 NFT_PAYLOAD_NETWORK_HEADER, 763 NFT_PAYLOAD_TRANSPORT_HEADER, 764 NFT_PAYLOAD_INNER_HEADER, 765 NFT_PAYLOAD_TUN_HEADER, 766 }; 767 768 /** 769 * enum nft_payload_csum_types - nf_tables payload expression checksum types 770 * 771 * @NFT_PAYLOAD_CSUM_NONE: no checksumming 772 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) 773 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309) 774 */ 775 enum nft_payload_csum_types { 776 NFT_PAYLOAD_CSUM_NONE, 777 NFT_PAYLOAD_CSUM_INET, 778 NFT_PAYLOAD_CSUM_SCTP, 779 }; 780 781 enum nft_payload_csum_flags { 782 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0), 783 }; 784 785 enum nft_inner_type { 786 NFT_INNER_UNSPEC = 0, 787 NFT_INNER_VXLAN, 788 NFT_INNER_GENEVE, 789 }; 790 791 enum nft_inner_flags { 792 NFT_INNER_HDRSIZE = (1 << 0), 793 NFT_INNER_LL = (1 << 1), 794 NFT_INNER_NH = (1 << 2), 795 NFT_INNER_TH = (1 << 3), 796 }; 797 #define NFT_INNER_MASK (NFT_INNER_HDRSIZE | NFT_INNER_LL | \ 798 NFT_INNER_NH | NFT_INNER_TH) 799 800 enum nft_inner_attributes { 801 NFTA_INNER_UNSPEC, 802 NFTA_INNER_NUM, 803 NFTA_INNER_TYPE, 804 NFTA_INNER_FLAGS, 805 NFTA_INNER_HDRSIZE, 806 NFTA_INNER_EXPR, 807 __NFTA_INNER_MAX 808 }; 809 #define NFTA_INNER_MAX (__NFTA_INNER_MAX - 1) 810 811 /** 812 * enum nft_payload_attributes - nf_tables payload expression netlink attributes 813 * 814 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) 815 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) 816 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) 817 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) 818 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) 819 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) 820 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) 821 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32) 822 */ 823 enum nft_payload_attributes { 824 NFTA_PAYLOAD_UNSPEC, 825 NFTA_PAYLOAD_DREG, 826 NFTA_PAYLOAD_BASE, 827 NFTA_PAYLOAD_OFFSET, 828 NFTA_PAYLOAD_LEN, 829 NFTA_PAYLOAD_SREG, 830 NFTA_PAYLOAD_CSUM_TYPE, 831 NFTA_PAYLOAD_CSUM_OFFSET, 832 NFTA_PAYLOAD_CSUM_FLAGS, 833 __NFTA_PAYLOAD_MAX 834 }; 835 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) 836 837 enum nft_exthdr_flags { 838 NFT_EXTHDR_F_PRESENT = (1 << 0), 839 }; 840 841 /** 842 * enum nft_exthdr_op - nf_tables match options 843 * 844 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers 845 * @NFT_EXTHDR_OP_TCP: match against tcp options 846 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options 847 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks 848 */ 849 enum nft_exthdr_op { 850 NFT_EXTHDR_OP_IPV6, 851 NFT_EXTHDR_OP_TCPOPT, 852 NFT_EXTHDR_OP_IPV4, 853 NFT_EXTHDR_OP_SCTP, 854 __NFT_EXTHDR_OP_MAX 855 }; 856 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1) 857 858 /** 859 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes 860 * 861 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) 862 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) 863 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) 864 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) 865 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32) 866 * @NFTA_EXTHDR_OP: option match type (NLA_U32) 867 * @NFTA_EXTHDR_SREG: option match type (NLA_U32) 868 */ 869 enum nft_exthdr_attributes { 870 NFTA_EXTHDR_UNSPEC, 871 NFTA_EXTHDR_DREG, 872 NFTA_EXTHDR_TYPE, 873 NFTA_EXTHDR_OFFSET, 874 NFTA_EXTHDR_LEN, 875 NFTA_EXTHDR_FLAGS, 876 NFTA_EXTHDR_OP, 877 NFTA_EXTHDR_SREG, 878 __NFTA_EXTHDR_MAX 879 }; 880 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) 881 882 /** 883 * enum nft_meta_keys - nf_tables meta expression keys 884 * 885 * @NFT_META_LEN: packet length (skb->len) 886 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT 887 * @NFT_META_PRIORITY: packet priority (skb->priority) 888 * @NFT_META_MARK: packet mark (skb->mark) 889 * @NFT_META_IIF: packet input interface index (dev->ifindex) 890 * @NFT_META_OIF: packet output interface index (dev->ifindex) 891 * @NFT_META_IIFNAME: packet input interface name (dev->name) 892 * @NFT_META_OIFNAME: packet output interface name (dev->name) 893 * @NFT_META_IIFTYPE: packet input interface type (dev->type) 894 * @NFT_META_OIFTYPE: packet output interface type (dev->type) 895 * @NFT_META_SKUID: originating socket UID (fsuid) 896 * @NFT_META_SKGID: originating socket GID (fsgid) 897 * @NFT_META_NFTRACE: packet nftrace bit 898 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) 899 * @NFT_META_SECMARK: packet secmark (skb->secmark) 900 * @NFT_META_NFPROTO: netfilter protocol 901 * @NFT_META_L4PROTO: layer 4 protocol number 902 * @NFT_META_BRI_IIFNAME: packet input bridge interface name 903 * @NFT_META_BRI_OIFNAME: packet output bridge interface name 904 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback 905 * @NFT_META_CPU: cpu id through smp_processor_id() 906 * @NFT_META_IIFGROUP: packet input interface group 907 * @NFT_META_OIFGROUP: packet output interface group 908 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) 909 * @NFT_META_PRANDOM: a 32bit pseudo-random number 910 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp) 911 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind) 912 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind) 913 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid 914 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto 915 * @NFT_META_TIME_NS: time since epoch (in nanoseconds) 916 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday) 917 * @NFT_META_TIME_HOUR: hour of day (in seconds) 918 * @NFT_META_SDIF: slave device interface index 919 * @NFT_META_SDIFNAME: slave device interface name 920 */ 921 enum nft_meta_keys { 922 NFT_META_LEN, 923 NFT_META_PROTOCOL, 924 NFT_META_PRIORITY, 925 NFT_META_MARK, 926 NFT_META_IIF, 927 NFT_META_OIF, 928 NFT_META_IIFNAME, 929 NFT_META_OIFNAME, 930 NFT_META_IFTYPE, 931 #define NFT_META_IIFTYPE NFT_META_IFTYPE 932 NFT_META_OIFTYPE, 933 NFT_META_SKUID, 934 NFT_META_SKGID, 935 NFT_META_NFTRACE, 936 NFT_META_RTCLASSID, 937 NFT_META_SECMARK, 938 NFT_META_NFPROTO, 939 NFT_META_L4PROTO, 940 NFT_META_BRI_IIFNAME, 941 NFT_META_BRI_OIFNAME, 942 NFT_META_PKTTYPE, 943 NFT_META_CPU, 944 NFT_META_IIFGROUP, 945 NFT_META_OIFGROUP, 946 NFT_META_CGROUP, 947 NFT_META_PRANDOM, 948 NFT_META_SECPATH, 949 NFT_META_IIFKIND, 950 NFT_META_OIFKIND, 951 NFT_META_BRI_IIFPVID, 952 NFT_META_BRI_IIFVPROTO, 953 NFT_META_TIME_NS, 954 NFT_META_TIME_DAY, 955 NFT_META_TIME_HOUR, 956 NFT_META_SDIF, 957 NFT_META_SDIFNAME, 958 __NFT_META_IIFTYPE, 959 }; 960 961 /** 962 * enum nft_rt_keys - nf_tables routing expression keys 963 * 964 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid) 965 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4 966 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6 967 * @NFT_RT_TCPMSS: fetch current path tcp mss 968 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL 969 */ 970 enum nft_rt_keys { 971 NFT_RT_CLASSID, 972 NFT_RT_NEXTHOP4, 973 NFT_RT_NEXTHOP6, 974 NFT_RT_TCPMSS, 975 NFT_RT_XFRM, 976 __NFT_RT_MAX 977 }; 978 #define NFT_RT_MAX (__NFT_RT_MAX - 1) 979 980 /** 981 * enum nft_hash_types - nf_tables hash expression types 982 * 983 * @NFT_HASH_JENKINS: Jenkins Hash 984 * @NFT_HASH_SYM: Symmetric Hash 985 */ 986 enum nft_hash_types { 987 NFT_HASH_JENKINS, 988 NFT_HASH_SYM, 989 }; 990 991 /** 992 * enum nft_hash_attributes - nf_tables hash expression netlink attributes 993 * 994 * @NFTA_HASH_SREG: source register (NLA_U32) 995 * @NFTA_HASH_DREG: destination register (NLA_U32) 996 * @NFTA_HASH_LEN: source data length (NLA_U32) 997 * @NFTA_HASH_MODULUS: modulus value (NLA_U32) 998 * @NFTA_HASH_SEED: seed value (NLA_U32) 999 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) 1000 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types) 1001 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING) 1002 * @NFTA_HASH_SET_ID: id of the map (NLA_U32) 1003 */ 1004 enum nft_hash_attributes { 1005 NFTA_HASH_UNSPEC, 1006 NFTA_HASH_SREG, 1007 NFTA_HASH_DREG, 1008 NFTA_HASH_LEN, 1009 NFTA_HASH_MODULUS, 1010 NFTA_HASH_SEED, 1011 NFTA_HASH_OFFSET, 1012 NFTA_HASH_TYPE, 1013 NFTA_HASH_SET_NAME, /* deprecated */ 1014 NFTA_HASH_SET_ID, /* deprecated */ 1015 __NFTA_HASH_MAX, 1016 }; 1017 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1) 1018 1019 /** 1020 * enum nft_meta_attributes - nf_tables meta expression netlink attributes 1021 * 1022 * @NFTA_META_DREG: destination register (NLA_U32) 1023 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) 1024 * @NFTA_META_SREG: source register (NLA_U32) 1025 */ 1026 enum nft_meta_attributes { 1027 NFTA_META_UNSPEC, 1028 NFTA_META_DREG, 1029 NFTA_META_KEY, 1030 NFTA_META_SREG, 1031 __NFTA_META_MAX 1032 }; 1033 #define NFTA_META_MAX (__NFTA_META_MAX - 1) 1034 1035 /** 1036 * enum nft_rt_attributes - nf_tables routing expression netlink attributes 1037 * 1038 * @NFTA_RT_DREG: destination register (NLA_U32) 1039 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys) 1040 */ 1041 enum nft_rt_attributes { 1042 NFTA_RT_UNSPEC, 1043 NFTA_RT_DREG, 1044 NFTA_RT_KEY, 1045 __NFTA_RT_MAX 1046 }; 1047 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1) 1048 1049 /** 1050 * enum nft_socket_attributes - nf_tables socket expression netlink attributes 1051 * 1052 * @NFTA_SOCKET_KEY: socket key to match 1053 * @NFTA_SOCKET_DREG: destination register 1054 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2) 1055 */ 1056 enum nft_socket_attributes { 1057 NFTA_SOCKET_UNSPEC, 1058 NFTA_SOCKET_KEY, 1059 NFTA_SOCKET_DREG, 1060 NFTA_SOCKET_LEVEL, 1061 __NFTA_SOCKET_MAX 1062 }; 1063 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1) 1064 1065 /* 1066 * enum nft_socket_keys - nf_tables socket expression keys 1067 * 1068 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option 1069 * @NFT_SOCKET_MARK: Value of the socket mark 1070 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0) 1071 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2 1072 */ 1073 enum nft_socket_keys { 1074 NFT_SOCKET_TRANSPARENT, 1075 NFT_SOCKET_MARK, 1076 NFT_SOCKET_WILDCARD, 1077 NFT_SOCKET_CGROUPV2, 1078 __NFT_SOCKET_MAX 1079 }; 1080 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1) 1081 1082 /** 1083 * enum nft_ct_keys - nf_tables ct expression keys 1084 * 1085 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) 1086 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) 1087 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) 1088 * @NFT_CT_MARK: conntrack mark value 1089 * @NFT_CT_SECMARK: conntrack secmark value 1090 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms 1091 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack 1092 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol 1093 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated) 1094 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated) 1095 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol 1096 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source 1097 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination 1098 * @NFT_CT_LABELS: conntrack labels 1099 * @NFT_CT_PKTS: conntrack packets 1100 * @NFT_CT_BYTES: conntrack bytes 1101 * @NFT_CT_AVGPKT: conntrack average bytes per packet 1102 * @NFT_CT_ZONE: conntrack zone 1103 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack 1104 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address) 1105 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address) 1106 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address) 1107 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address) 1108 * @NFT_CT_ID: conntrack id 1109 */ 1110 enum nft_ct_keys { 1111 NFT_CT_STATE, 1112 NFT_CT_DIRECTION, 1113 NFT_CT_STATUS, 1114 NFT_CT_MARK, 1115 NFT_CT_SECMARK, 1116 NFT_CT_EXPIRATION, 1117 NFT_CT_HELPER, 1118 NFT_CT_L3PROTOCOL, 1119 NFT_CT_SRC, 1120 NFT_CT_DST, 1121 NFT_CT_PROTOCOL, 1122 NFT_CT_PROTO_SRC, 1123 NFT_CT_PROTO_DST, 1124 NFT_CT_LABELS, 1125 NFT_CT_PKTS, 1126 NFT_CT_BYTES, 1127 NFT_CT_AVGPKT, 1128 NFT_CT_ZONE, 1129 NFT_CT_EVENTMASK, 1130 NFT_CT_SRC_IP, 1131 NFT_CT_DST_IP, 1132 NFT_CT_SRC_IP6, 1133 NFT_CT_DST_IP6, 1134 NFT_CT_ID, 1135 __NFT_CT_MAX 1136 }; 1137 #define NFT_CT_MAX (__NFT_CT_MAX - 1) 1138 1139 /** 1140 * enum nft_ct_attributes - nf_tables ct expression netlink attributes 1141 * 1142 * @NFTA_CT_DREG: destination register (NLA_U32) 1143 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) 1144 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) 1145 * @NFTA_CT_SREG: source register (NLA_U32) 1146 */ 1147 enum nft_ct_attributes { 1148 NFTA_CT_UNSPEC, 1149 NFTA_CT_DREG, 1150 NFTA_CT_KEY, 1151 NFTA_CT_DIRECTION, 1152 NFTA_CT_SREG, 1153 __NFTA_CT_MAX 1154 }; 1155 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) 1156 1157 /** 1158 * enum nft_flow_attributes - ct offload expression attributes 1159 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING) 1160 */ 1161 enum nft_offload_attributes { 1162 NFTA_FLOW_UNSPEC, 1163 NFTA_FLOW_TABLE_NAME, 1164 __NFTA_FLOW_MAX, 1165 }; 1166 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1) 1167 1168 enum nft_limit_type { 1169 NFT_LIMIT_PKTS, 1170 NFT_LIMIT_PKT_BYTES 1171 }; 1172 1173 enum nft_limit_flags { 1174 NFT_LIMIT_F_INV = (1 << 0), 1175 }; 1176 1177 /** 1178 * enum nft_limit_attributes - nf_tables limit expression netlink attributes 1179 * 1180 * @NFTA_LIMIT_RATE: refill rate (NLA_U64) 1181 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) 1182 * @NFTA_LIMIT_BURST: burst (NLA_U32) 1183 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) 1184 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) 1185 */ 1186 enum nft_limit_attributes { 1187 NFTA_LIMIT_UNSPEC, 1188 NFTA_LIMIT_RATE, 1189 NFTA_LIMIT_UNIT, 1190 NFTA_LIMIT_BURST, 1191 NFTA_LIMIT_TYPE, 1192 NFTA_LIMIT_FLAGS, 1193 NFTA_LIMIT_PAD, 1194 __NFTA_LIMIT_MAX 1195 }; 1196 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) 1197 1198 enum nft_connlimit_flags { 1199 NFT_CONNLIMIT_F_INV = (1 << 0), 1200 }; 1201 1202 /** 1203 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes 1204 * 1205 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32) 1206 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags) 1207 */ 1208 enum nft_connlimit_attributes { 1209 NFTA_CONNLIMIT_UNSPEC, 1210 NFTA_CONNLIMIT_COUNT, 1211 NFTA_CONNLIMIT_FLAGS, 1212 __NFTA_CONNLIMIT_MAX 1213 }; 1214 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1) 1215 1216 /** 1217 * enum nft_counter_attributes - nf_tables counter expression netlink attributes 1218 * 1219 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) 1220 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) 1221 */ 1222 enum nft_counter_attributes { 1223 NFTA_COUNTER_UNSPEC, 1224 NFTA_COUNTER_BYTES, 1225 NFTA_COUNTER_PACKETS, 1226 NFTA_COUNTER_PAD, 1227 __NFTA_COUNTER_MAX 1228 }; 1229 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) 1230 1231 /** 1232 * enum nft_last_attributes - nf_tables last expression netlink attributes 1233 * 1234 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32) 1235 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64) 1236 */ 1237 enum nft_last_attributes { 1238 NFTA_LAST_UNSPEC, 1239 NFTA_LAST_SET, 1240 NFTA_LAST_MSECS, 1241 NFTA_LAST_PAD, 1242 __NFTA_LAST_MAX 1243 }; 1244 #define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1) 1245 1246 /** 1247 * enum nft_log_attributes - nf_tables log expression netlink attributes 1248 * 1249 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32) 1250 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) 1251 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) 1252 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32) 1253 * @NFTA_LOG_LEVEL: log level (NLA_U32) 1254 * @NFTA_LOG_FLAGS: logging flags (NLA_U32) 1255 */ 1256 enum nft_log_attributes { 1257 NFTA_LOG_UNSPEC, 1258 NFTA_LOG_GROUP, 1259 NFTA_LOG_PREFIX, 1260 NFTA_LOG_SNAPLEN, 1261 NFTA_LOG_QTHRESHOLD, 1262 NFTA_LOG_LEVEL, 1263 NFTA_LOG_FLAGS, 1264 __NFTA_LOG_MAX 1265 }; 1266 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) 1267 1268 /** 1269 * enum nft_log_level - nf_tables log levels 1270 * 1271 * @NFT_LOGLEVEL_EMERG: system is unusable 1272 * @NFT_LOGLEVEL_ALERT: action must be taken immediately 1273 * @NFT_LOGLEVEL_CRIT: critical conditions 1274 * @NFT_LOGLEVEL_ERR: error conditions 1275 * @NFT_LOGLEVEL_WARNING: warning conditions 1276 * @NFT_LOGLEVEL_NOTICE: normal but significant condition 1277 * @NFT_LOGLEVEL_INFO: informational 1278 * @NFT_LOGLEVEL_DEBUG: debug-level messages 1279 * @NFT_LOGLEVEL_AUDIT: enabling audit logging 1280 */ 1281 enum nft_log_level { 1282 NFT_LOGLEVEL_EMERG, 1283 NFT_LOGLEVEL_ALERT, 1284 NFT_LOGLEVEL_CRIT, 1285 NFT_LOGLEVEL_ERR, 1286 NFT_LOGLEVEL_WARNING, 1287 NFT_LOGLEVEL_NOTICE, 1288 NFT_LOGLEVEL_INFO, 1289 NFT_LOGLEVEL_DEBUG, 1290 NFT_LOGLEVEL_AUDIT, 1291 __NFT_LOGLEVEL_MAX 1292 }; 1293 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1) 1294 1295 /** 1296 * enum nft_queue_attributes - nf_tables queue expression netlink attributes 1297 * 1298 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) 1299 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) 1300 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) 1301 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) 1302 */ 1303 enum nft_queue_attributes { 1304 NFTA_QUEUE_UNSPEC, 1305 NFTA_QUEUE_NUM, 1306 NFTA_QUEUE_TOTAL, 1307 NFTA_QUEUE_FLAGS, 1308 NFTA_QUEUE_SREG_QNUM, 1309 __NFTA_QUEUE_MAX 1310 }; 1311 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) 1312 1313 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ 1314 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ 1315 #define NFT_QUEUE_FLAG_MASK 0x03 1316 1317 enum nft_quota_flags { 1318 NFT_QUOTA_F_INV = (1 << 0), 1319 NFT_QUOTA_F_DEPLETED = (1 << 1), 1320 }; 1321 1322 /** 1323 * enum nft_quota_attributes - nf_tables quota expression netlink attributes 1324 * 1325 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) 1326 * @NFTA_QUOTA_FLAGS: flags (NLA_U32) 1327 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64) 1328 */ 1329 enum nft_quota_attributes { 1330 NFTA_QUOTA_UNSPEC, 1331 NFTA_QUOTA_BYTES, 1332 NFTA_QUOTA_FLAGS, 1333 NFTA_QUOTA_PAD, 1334 NFTA_QUOTA_CONSUMED, 1335 __NFTA_QUOTA_MAX 1336 }; 1337 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1) 1338 1339 /** 1340 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes 1341 * 1342 * @NFTA_SECMARK_CTX: security context (NLA_STRING) 1343 */ 1344 enum nft_secmark_attributes { 1345 NFTA_SECMARK_UNSPEC, 1346 NFTA_SECMARK_CTX, 1347 __NFTA_SECMARK_MAX, 1348 }; 1349 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) 1350 1351 /* Max security context length */ 1352 #define NFT_SECMARK_CTX_MAXLEN 256 1353 1354 /** 1355 * enum nft_reject_types - nf_tables reject expression reject types 1356 * 1357 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable 1358 * @NFT_REJECT_TCP_RST: reject using TCP RST 1359 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet 1360 */ 1361 enum nft_reject_types { 1362 NFT_REJECT_ICMP_UNREACH, 1363 NFT_REJECT_TCP_RST, 1364 NFT_REJECT_ICMPX_UNREACH, 1365 }; 1366 1367 /** 1368 * enum nft_reject_code - Generic reject codes for IPv4/IPv6 1369 * 1370 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable 1371 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable 1372 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable 1373 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited 1374 * 1375 * These codes are mapped to real ICMP and ICMPv6 codes. 1376 */ 1377 enum nft_reject_inet_code { 1378 NFT_REJECT_ICMPX_NO_ROUTE = 0, 1379 NFT_REJECT_ICMPX_PORT_UNREACH, 1380 NFT_REJECT_ICMPX_HOST_UNREACH, 1381 NFT_REJECT_ICMPX_ADMIN_PROHIBITED, 1382 __NFT_REJECT_ICMPX_MAX 1383 }; 1384 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) 1385 1386 /** 1387 * enum nft_reject_attributes - nf_tables reject expression netlink attributes 1388 * 1389 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) 1390 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) 1391 */ 1392 enum nft_reject_attributes { 1393 NFTA_REJECT_UNSPEC, 1394 NFTA_REJECT_TYPE, 1395 NFTA_REJECT_ICMP_CODE, 1396 __NFTA_REJECT_MAX 1397 }; 1398 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) 1399 1400 /** 1401 * enum nft_nat_types - nf_tables nat expression NAT types 1402 * 1403 * @NFT_NAT_SNAT: source NAT 1404 * @NFT_NAT_DNAT: destination NAT 1405 */ 1406 enum nft_nat_types { 1407 NFT_NAT_SNAT, 1408 NFT_NAT_DNAT, 1409 }; 1410 1411 /** 1412 * enum nft_nat_attributes - nf_tables nat expression netlink attributes 1413 * 1414 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) 1415 * @NFTA_NAT_FAMILY: NAT family (NLA_U32) 1416 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) 1417 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) 1418 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1419 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1420 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1421 */ 1422 enum nft_nat_attributes { 1423 NFTA_NAT_UNSPEC, 1424 NFTA_NAT_TYPE, 1425 NFTA_NAT_FAMILY, 1426 NFTA_NAT_REG_ADDR_MIN, 1427 NFTA_NAT_REG_ADDR_MAX, 1428 NFTA_NAT_REG_PROTO_MIN, 1429 NFTA_NAT_REG_PROTO_MAX, 1430 NFTA_NAT_FLAGS, 1431 __NFTA_NAT_MAX 1432 }; 1433 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) 1434 1435 /** 1436 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes 1437 * 1438 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers) 1439 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers) 1440 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers) 1441 */ 1442 enum nft_tproxy_attributes { 1443 NFTA_TPROXY_UNSPEC, 1444 NFTA_TPROXY_FAMILY, 1445 NFTA_TPROXY_REG_ADDR, 1446 NFTA_TPROXY_REG_PORT, 1447 __NFTA_TPROXY_MAX 1448 }; 1449 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1) 1450 1451 /** 1452 * enum nft_masq_attributes - nf_tables masquerade expression attributes 1453 * 1454 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1455 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1456 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1457 */ 1458 enum nft_masq_attributes { 1459 NFTA_MASQ_UNSPEC, 1460 NFTA_MASQ_FLAGS, 1461 NFTA_MASQ_REG_PROTO_MIN, 1462 NFTA_MASQ_REG_PROTO_MAX, 1463 __NFTA_MASQ_MAX 1464 }; 1465 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) 1466 1467 /** 1468 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes 1469 * 1470 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1471 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1472 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1473 */ 1474 enum nft_redir_attributes { 1475 NFTA_REDIR_UNSPEC, 1476 NFTA_REDIR_REG_PROTO_MIN, 1477 NFTA_REDIR_REG_PROTO_MAX, 1478 NFTA_REDIR_FLAGS, 1479 __NFTA_REDIR_MAX 1480 }; 1481 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) 1482 1483 /** 1484 * enum nft_dup_attributes - nf_tables dup expression netlink attributes 1485 * 1486 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) 1487 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1488 */ 1489 enum nft_dup_attributes { 1490 NFTA_DUP_UNSPEC, 1491 NFTA_DUP_SREG_ADDR, 1492 NFTA_DUP_SREG_DEV, 1493 __NFTA_DUP_MAX 1494 }; 1495 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) 1496 1497 /** 1498 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes 1499 * 1500 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1501 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register) 1502 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto) 1503 */ 1504 enum nft_fwd_attributes { 1505 NFTA_FWD_UNSPEC, 1506 NFTA_FWD_SREG_DEV, 1507 NFTA_FWD_SREG_ADDR, 1508 NFTA_FWD_NFPROTO, 1509 __NFTA_FWD_MAX 1510 }; 1511 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1) 1512 1513 /** 1514 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes 1515 * 1516 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register) 1517 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING) 1518 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers) 1519 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING) 1520 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32) 1521 */ 1522 enum nft_objref_attributes { 1523 NFTA_OBJREF_UNSPEC, 1524 NFTA_OBJREF_IMM_TYPE, 1525 NFTA_OBJREF_IMM_NAME, 1526 NFTA_OBJREF_SET_SREG, 1527 NFTA_OBJREF_SET_NAME, 1528 NFTA_OBJREF_SET_ID, 1529 __NFTA_OBJREF_MAX 1530 }; 1531 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1) 1532 1533 /** 1534 * enum nft_gen_attributes - nf_tables ruleset generation attributes 1535 * 1536 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) 1537 */ 1538 enum nft_gen_attributes { 1539 NFTA_GEN_UNSPEC, 1540 NFTA_GEN_ID, 1541 NFTA_GEN_PROC_PID, 1542 NFTA_GEN_PROC_NAME, 1543 __NFTA_GEN_MAX 1544 }; 1545 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) 1546 1547 /* 1548 * enum nft_fib_attributes - nf_tables fib expression netlink attributes 1549 * 1550 * @NFTA_FIB_DREG: destination register (NLA_U32) 1551 * @NFTA_FIB_RESULT: desired result (NLA_U32) 1552 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) 1553 * 1554 * The FIB expression performs a route lookup according 1555 * to the packet data. 1556 */ 1557 enum nft_fib_attributes { 1558 NFTA_FIB_UNSPEC, 1559 NFTA_FIB_DREG, 1560 NFTA_FIB_RESULT, 1561 NFTA_FIB_FLAGS, 1562 __NFTA_FIB_MAX 1563 }; 1564 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1) 1565 1566 enum nft_fib_result { 1567 NFT_FIB_RESULT_UNSPEC, 1568 NFT_FIB_RESULT_OIF, 1569 NFT_FIB_RESULT_OIFNAME, 1570 NFT_FIB_RESULT_ADDRTYPE, 1571 __NFT_FIB_RESULT_MAX 1572 }; 1573 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1) 1574 1575 enum nft_fib_flags { 1576 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */ 1577 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */ 1578 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */ 1579 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */ 1580 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */ 1581 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */ 1582 }; 1583 1584 enum nft_ct_helper_attributes { 1585 NFTA_CT_HELPER_UNSPEC, 1586 NFTA_CT_HELPER_NAME, 1587 NFTA_CT_HELPER_L3PROTO, 1588 NFTA_CT_HELPER_L4PROTO, 1589 __NFTA_CT_HELPER_MAX, 1590 }; 1591 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1) 1592 1593 enum nft_ct_timeout_timeout_attributes { 1594 NFTA_CT_TIMEOUT_UNSPEC, 1595 NFTA_CT_TIMEOUT_L3PROTO, 1596 NFTA_CT_TIMEOUT_L4PROTO, 1597 NFTA_CT_TIMEOUT_DATA, 1598 __NFTA_CT_TIMEOUT_MAX, 1599 }; 1600 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1) 1601 1602 enum nft_ct_expectation_attributes { 1603 NFTA_CT_EXPECT_UNSPEC, 1604 NFTA_CT_EXPECT_L3PROTO, 1605 NFTA_CT_EXPECT_L4PROTO, 1606 NFTA_CT_EXPECT_DPORT, 1607 NFTA_CT_EXPECT_TIMEOUT, 1608 NFTA_CT_EXPECT_SIZE, 1609 __NFTA_CT_EXPECT_MAX, 1610 }; 1611 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1) 1612 1613 #define NFT_OBJECT_UNSPEC 0 1614 #define NFT_OBJECT_COUNTER 1 1615 #define NFT_OBJECT_QUOTA 2 1616 #define NFT_OBJECT_CT_HELPER 3 1617 #define NFT_OBJECT_LIMIT 4 1618 #define NFT_OBJECT_CONNLIMIT 5 1619 #define NFT_OBJECT_TUNNEL 6 1620 #define NFT_OBJECT_CT_TIMEOUT 7 1621 #define NFT_OBJECT_SECMARK 8 1622 #define NFT_OBJECT_CT_EXPECT 9 1623 #define NFT_OBJECT_SYNPROXY 10 1624 #define __NFT_OBJECT_MAX 11 1625 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1) 1626 1627 /** 1628 * enum nft_object_attributes - nf_tables stateful object netlink attributes 1629 * 1630 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING) 1631 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING) 1632 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32) 1633 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) 1634 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) 1635 * @NFTA_OBJ_HANDLE: object handle (NLA_U64) 1636 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY) 1637 */ 1638 enum nft_object_attributes { 1639 NFTA_OBJ_UNSPEC, 1640 NFTA_OBJ_TABLE, 1641 NFTA_OBJ_NAME, 1642 NFTA_OBJ_TYPE, 1643 NFTA_OBJ_DATA, 1644 NFTA_OBJ_USE, 1645 NFTA_OBJ_HANDLE, 1646 NFTA_OBJ_PAD, 1647 NFTA_OBJ_USERDATA, 1648 __NFTA_OBJ_MAX 1649 }; 1650 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1) 1651 1652 /** 1653 * enum nft_flowtable_flags - nf_tables flowtable flags 1654 * 1655 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled 1656 * @NFT_FLOWTABLE_COUNTER: enable flow counters 1657 */ 1658 enum nft_flowtable_flags { 1659 NFT_FLOWTABLE_HW_OFFLOAD = 0x1, 1660 NFT_FLOWTABLE_COUNTER = 0x2, 1661 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD | 1662 NFT_FLOWTABLE_COUNTER) 1663 }; 1664 1665 /** 1666 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes 1667 * 1668 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) 1669 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) 1670 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32) 1671 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) 1672 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) 1673 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32) 1674 */ 1675 enum nft_flowtable_attributes { 1676 NFTA_FLOWTABLE_UNSPEC, 1677 NFTA_FLOWTABLE_TABLE, 1678 NFTA_FLOWTABLE_NAME, 1679 NFTA_FLOWTABLE_HOOK, 1680 NFTA_FLOWTABLE_USE, 1681 NFTA_FLOWTABLE_HANDLE, 1682 NFTA_FLOWTABLE_PAD, 1683 NFTA_FLOWTABLE_FLAGS, 1684 __NFTA_FLOWTABLE_MAX 1685 }; 1686 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1) 1687 1688 /** 1689 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes 1690 * 1691 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32) 1692 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 1693 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED) 1694 */ 1695 enum nft_flowtable_hook_attributes { 1696 NFTA_FLOWTABLE_HOOK_UNSPEC, 1697 NFTA_FLOWTABLE_HOOK_NUM, 1698 NFTA_FLOWTABLE_HOOK_PRIORITY, 1699 NFTA_FLOWTABLE_HOOK_DEVS, 1700 __NFTA_FLOWTABLE_HOOK_MAX 1701 }; 1702 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1) 1703 1704 /** 1705 * enum nft_osf_attributes - nftables osf expression netlink attributes 1706 * 1707 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers) 1708 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8) 1709 * @NFTA_OSF_FLAGS: flags (NLA_U32) 1710 */ 1711 enum nft_osf_attributes { 1712 NFTA_OSF_UNSPEC, 1713 NFTA_OSF_DREG, 1714 NFTA_OSF_TTL, 1715 NFTA_OSF_FLAGS, 1716 __NFTA_OSF_MAX, 1717 }; 1718 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1) 1719 1720 enum nft_osf_flags { 1721 NFT_OSF_F_VERSION = (1 << 0), 1722 }; 1723 1724 /** 1725 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes 1726 * 1727 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16) 1728 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8) 1729 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32) 1730 */ 1731 enum nft_synproxy_attributes { 1732 NFTA_SYNPROXY_UNSPEC, 1733 NFTA_SYNPROXY_MSS, 1734 NFTA_SYNPROXY_WSCALE, 1735 NFTA_SYNPROXY_FLAGS, 1736 __NFTA_SYNPROXY_MAX, 1737 }; 1738 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1) 1739 1740 /** 1741 * enum nft_device_attributes - nf_tables device netlink attributes 1742 * 1743 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING) 1744 */ 1745 enum nft_devices_attributes { 1746 NFTA_DEVICE_UNSPEC, 1747 NFTA_DEVICE_NAME, 1748 __NFTA_DEVICE_MAX 1749 }; 1750 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1) 1751 1752 /* 1753 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes 1754 * 1755 * @NFTA_XFRM_DREG: destination register (NLA_U32) 1756 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32) 1757 * @NFTA_XFRM_DIR: direction (NLA_U8) 1758 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32) 1759 */ 1760 enum nft_xfrm_attributes { 1761 NFTA_XFRM_UNSPEC, 1762 NFTA_XFRM_DREG, 1763 NFTA_XFRM_KEY, 1764 NFTA_XFRM_DIR, 1765 NFTA_XFRM_SPNUM, 1766 __NFTA_XFRM_MAX 1767 }; 1768 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1) 1769 1770 enum nft_xfrm_keys { 1771 NFT_XFRM_KEY_UNSPEC, 1772 NFT_XFRM_KEY_DADDR_IP4, 1773 NFT_XFRM_KEY_DADDR_IP6, 1774 NFT_XFRM_KEY_SADDR_IP4, 1775 NFT_XFRM_KEY_SADDR_IP6, 1776 NFT_XFRM_KEY_REQID, 1777 NFT_XFRM_KEY_SPI, 1778 __NFT_XFRM_KEY_MAX, 1779 }; 1780 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1) 1781 1782 /** 1783 * enum nft_trace_attributes - nf_tables trace netlink attributes 1784 * 1785 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) 1786 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) 1787 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) 1788 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) 1789 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) 1790 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) 1791 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) 1792 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) 1793 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) 1794 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) 1795 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) 1796 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) 1797 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) 1798 * @NFTA_TRACE_MARK: nfmark (NLA_U32) 1799 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) 1800 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) 1801 */ 1802 enum nft_trace_attributes { 1803 NFTA_TRACE_UNSPEC, 1804 NFTA_TRACE_TABLE, 1805 NFTA_TRACE_CHAIN, 1806 NFTA_TRACE_RULE_HANDLE, 1807 NFTA_TRACE_TYPE, 1808 NFTA_TRACE_VERDICT, 1809 NFTA_TRACE_ID, 1810 NFTA_TRACE_LL_HEADER, 1811 NFTA_TRACE_NETWORK_HEADER, 1812 NFTA_TRACE_TRANSPORT_HEADER, 1813 NFTA_TRACE_IIF, 1814 NFTA_TRACE_IIFTYPE, 1815 NFTA_TRACE_OIF, 1816 NFTA_TRACE_OIFTYPE, 1817 NFTA_TRACE_MARK, 1818 NFTA_TRACE_NFPROTO, 1819 NFTA_TRACE_POLICY, 1820 NFTA_TRACE_PAD, 1821 __NFTA_TRACE_MAX 1822 }; 1823 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1) 1824 1825 enum nft_trace_types { 1826 NFT_TRACETYPE_UNSPEC, 1827 NFT_TRACETYPE_POLICY, 1828 NFT_TRACETYPE_RETURN, 1829 NFT_TRACETYPE_RULE, 1830 __NFT_TRACETYPE_MAX 1831 }; 1832 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) 1833 1834 /** 1835 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes 1836 * 1837 * @NFTA_NG_DREG: destination register (NLA_U32) 1838 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) 1839 * @NFTA_NG_TYPE: operation type (NLA_U32) 1840 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) 1841 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING) 1842 * @NFTA_NG_SET_ID: id of the map (NLA_U32) 1843 */ 1844 enum nft_ng_attributes { 1845 NFTA_NG_UNSPEC, 1846 NFTA_NG_DREG, 1847 NFTA_NG_MODULUS, 1848 NFTA_NG_TYPE, 1849 NFTA_NG_OFFSET, 1850 NFTA_NG_SET_NAME, /* deprecated */ 1851 NFTA_NG_SET_ID, /* deprecated */ 1852 __NFTA_NG_MAX 1853 }; 1854 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1) 1855 1856 enum nft_ng_types { 1857 NFT_NG_INCREMENTAL, 1858 NFT_NG_RANDOM, 1859 __NFT_NG_MAX 1860 }; 1861 #define NFT_NG_MAX (__NFT_NG_MAX - 1) 1862 1863 enum nft_tunnel_key_ip_attributes { 1864 NFTA_TUNNEL_KEY_IP_UNSPEC, 1865 NFTA_TUNNEL_KEY_IP_SRC, 1866 NFTA_TUNNEL_KEY_IP_DST, 1867 __NFTA_TUNNEL_KEY_IP_MAX 1868 }; 1869 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1) 1870 1871 enum nft_tunnel_ip6_attributes { 1872 NFTA_TUNNEL_KEY_IP6_UNSPEC, 1873 NFTA_TUNNEL_KEY_IP6_SRC, 1874 NFTA_TUNNEL_KEY_IP6_DST, 1875 NFTA_TUNNEL_KEY_IP6_FLOWLABEL, 1876 __NFTA_TUNNEL_KEY_IP6_MAX 1877 }; 1878 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1) 1879 1880 enum nft_tunnel_opts_attributes { 1881 NFTA_TUNNEL_KEY_OPTS_UNSPEC, 1882 NFTA_TUNNEL_KEY_OPTS_VXLAN, 1883 NFTA_TUNNEL_KEY_OPTS_ERSPAN, 1884 NFTA_TUNNEL_KEY_OPTS_GENEVE, 1885 __NFTA_TUNNEL_KEY_OPTS_MAX 1886 }; 1887 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1) 1888 1889 enum nft_tunnel_opts_vxlan_attributes { 1890 NFTA_TUNNEL_KEY_VXLAN_UNSPEC, 1891 NFTA_TUNNEL_KEY_VXLAN_GBP, 1892 __NFTA_TUNNEL_KEY_VXLAN_MAX 1893 }; 1894 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1) 1895 1896 enum nft_tunnel_opts_erspan_attributes { 1897 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC, 1898 NFTA_TUNNEL_KEY_ERSPAN_VERSION, 1899 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX, 1900 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID, 1901 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR, 1902 __NFTA_TUNNEL_KEY_ERSPAN_MAX 1903 }; 1904 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1) 1905 1906 enum nft_tunnel_opts_geneve_attributes { 1907 NFTA_TUNNEL_KEY_GENEVE_UNSPEC, 1908 NFTA_TUNNEL_KEY_GENEVE_CLASS, 1909 NFTA_TUNNEL_KEY_GENEVE_TYPE, 1910 NFTA_TUNNEL_KEY_GENEVE_DATA, 1911 __NFTA_TUNNEL_KEY_GENEVE_MAX 1912 }; 1913 #define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1) 1914 1915 enum nft_tunnel_flags { 1916 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0), 1917 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1), 1918 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2), 1919 }; 1920 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \ 1921 NFT_TUNNEL_F_DONT_FRAGMENT | \ 1922 NFT_TUNNEL_F_SEQ_NUMBER) 1923 1924 enum nft_tunnel_key_attributes { 1925 NFTA_TUNNEL_KEY_UNSPEC, 1926 NFTA_TUNNEL_KEY_ID, 1927 NFTA_TUNNEL_KEY_IP, 1928 NFTA_TUNNEL_KEY_IP6, 1929 NFTA_TUNNEL_KEY_FLAGS, 1930 NFTA_TUNNEL_KEY_TOS, 1931 NFTA_TUNNEL_KEY_TTL, 1932 NFTA_TUNNEL_KEY_SPORT, 1933 NFTA_TUNNEL_KEY_DPORT, 1934 NFTA_TUNNEL_KEY_OPTS, 1935 __NFTA_TUNNEL_KEY_MAX 1936 }; 1937 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1) 1938 1939 enum nft_tunnel_keys { 1940 NFT_TUNNEL_PATH, 1941 NFT_TUNNEL_ID, 1942 __NFT_TUNNEL_MAX 1943 }; 1944 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1) 1945 1946 enum nft_tunnel_mode { 1947 NFT_TUNNEL_MODE_NONE, 1948 NFT_TUNNEL_MODE_RX, 1949 NFT_TUNNEL_MODE_TX, 1950 __NFT_TUNNEL_MODE_MAX 1951 }; 1952 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1) 1953 1954 enum nft_tunnel_attributes { 1955 NFTA_TUNNEL_UNSPEC, 1956 NFTA_TUNNEL_KEY, 1957 NFTA_TUNNEL_DREG, 1958 NFTA_TUNNEL_MODE, 1959 __NFTA_TUNNEL_MAX 1960 }; 1961 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1) 1962 1963 #endif /* _LINUX_NF_TABLES_H */ 1964