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 * @NFT_MSG_DESTROYTABLE: destroy a table (enum nft_table_attributes) 102 * @NFT_MSG_DESTROYCHAIN: destroy a chain (enum nft_chain_attributes) 103 * @NFT_MSG_DESTROYRULE: destroy a rule (enum nft_rule_attributes) 104 * @NFT_MSG_DESTROYSET: destroy a set (enum nft_set_attributes) 105 * @NFT_MSG_DESTROYSETELEM: destroy a set element (enum nft_set_elem_attributes) 106 * @NFT_MSG_DESTROYOBJ: destroy a stateful object (enum nft_object_attributes) 107 * @NFT_MSG_DESTROYFLOWTABLE: destroy flow table (enum nft_flowtable_attributes) 108 */ 109 enum nf_tables_msg_types { 110 NFT_MSG_NEWTABLE, 111 NFT_MSG_GETTABLE, 112 NFT_MSG_DELTABLE, 113 NFT_MSG_NEWCHAIN, 114 NFT_MSG_GETCHAIN, 115 NFT_MSG_DELCHAIN, 116 NFT_MSG_NEWRULE, 117 NFT_MSG_GETRULE, 118 NFT_MSG_DELRULE, 119 NFT_MSG_NEWSET, 120 NFT_MSG_GETSET, 121 NFT_MSG_DELSET, 122 NFT_MSG_NEWSETELEM, 123 NFT_MSG_GETSETELEM, 124 NFT_MSG_DELSETELEM, 125 NFT_MSG_NEWGEN, 126 NFT_MSG_GETGEN, 127 NFT_MSG_TRACE, 128 NFT_MSG_NEWOBJ, 129 NFT_MSG_GETOBJ, 130 NFT_MSG_DELOBJ, 131 NFT_MSG_GETOBJ_RESET, 132 NFT_MSG_NEWFLOWTABLE, 133 NFT_MSG_GETFLOWTABLE, 134 NFT_MSG_DELFLOWTABLE, 135 NFT_MSG_GETRULE_RESET, 136 NFT_MSG_DESTROYTABLE, 137 NFT_MSG_DESTROYCHAIN, 138 NFT_MSG_DESTROYRULE, 139 NFT_MSG_DESTROYSET, 140 NFT_MSG_DESTROYSETELEM, 141 NFT_MSG_DESTROYOBJ, 142 NFT_MSG_DESTROYFLOWTABLE, 143 NFT_MSG_MAX, 144 }; 145 146 /** 147 * enum nft_list_attributes - nf_tables generic list netlink attributes 148 * 149 * @NFTA_LIST_ELEM: list element (NLA_NESTED) 150 */ 151 enum nft_list_attributes { 152 NFTA_LIST_UNSPEC, 153 NFTA_LIST_ELEM, 154 __NFTA_LIST_MAX 155 }; 156 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) 157 158 /** 159 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes 160 * 161 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) 162 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 163 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING) 164 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED) 165 */ 166 enum nft_hook_attributes { 167 NFTA_HOOK_UNSPEC, 168 NFTA_HOOK_HOOKNUM, 169 NFTA_HOOK_PRIORITY, 170 NFTA_HOOK_DEV, 171 NFTA_HOOK_DEVS, 172 __NFTA_HOOK_MAX 173 }; 174 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) 175 176 /** 177 * enum nft_table_flags - nf_tables table flags 178 * 179 * @NFT_TABLE_F_DORMANT: this table is not active 180 */ 181 enum nft_table_flags { 182 NFT_TABLE_F_DORMANT = 0x1, 183 NFT_TABLE_F_OWNER = 0x2, 184 }; 185 #define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | \ 186 NFT_TABLE_F_OWNER) 187 188 /** 189 * enum nft_table_attributes - nf_tables table netlink attributes 190 * 191 * @NFTA_TABLE_NAME: name of the table (NLA_STRING) 192 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) 193 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) 194 * @NFTA_TABLE_USERDATA: user data (NLA_BINARY) 195 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32) 196 */ 197 enum nft_table_attributes { 198 NFTA_TABLE_UNSPEC, 199 NFTA_TABLE_NAME, 200 NFTA_TABLE_FLAGS, 201 NFTA_TABLE_USE, 202 NFTA_TABLE_HANDLE, 203 NFTA_TABLE_PAD, 204 NFTA_TABLE_USERDATA, 205 NFTA_TABLE_OWNER, 206 __NFTA_TABLE_MAX 207 }; 208 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) 209 210 enum nft_chain_flags { 211 NFT_CHAIN_BASE = (1 << 0), 212 NFT_CHAIN_HW_OFFLOAD = (1 << 1), 213 NFT_CHAIN_BINDING = (1 << 2), 214 }; 215 #define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \ 216 NFT_CHAIN_HW_OFFLOAD | \ 217 NFT_CHAIN_BINDING) 218 219 /** 220 * enum nft_chain_attributes - nf_tables chain netlink attributes 221 * 222 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) 223 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) 224 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) 225 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) 226 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) 227 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) 228 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) 229 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) 230 * @NFTA_CHAIN_FLAGS: chain flags 231 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32) 232 * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY) 233 */ 234 enum nft_chain_attributes { 235 NFTA_CHAIN_UNSPEC, 236 NFTA_CHAIN_TABLE, 237 NFTA_CHAIN_HANDLE, 238 NFTA_CHAIN_NAME, 239 NFTA_CHAIN_HOOK, 240 NFTA_CHAIN_POLICY, 241 NFTA_CHAIN_USE, 242 NFTA_CHAIN_TYPE, 243 NFTA_CHAIN_COUNTERS, 244 NFTA_CHAIN_PAD, 245 NFTA_CHAIN_FLAGS, 246 NFTA_CHAIN_ID, 247 NFTA_CHAIN_USERDATA, 248 __NFTA_CHAIN_MAX 249 }; 250 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) 251 252 /** 253 * enum nft_rule_attributes - nf_tables rule netlink attributes 254 * 255 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) 256 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) 257 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) 258 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) 259 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) 260 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) 261 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) 262 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32) 263 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32) 264 */ 265 enum nft_rule_attributes { 266 NFTA_RULE_UNSPEC, 267 NFTA_RULE_TABLE, 268 NFTA_RULE_CHAIN, 269 NFTA_RULE_HANDLE, 270 NFTA_RULE_EXPRESSIONS, 271 NFTA_RULE_COMPAT, 272 NFTA_RULE_POSITION, 273 NFTA_RULE_USERDATA, 274 NFTA_RULE_PAD, 275 NFTA_RULE_ID, 276 NFTA_RULE_POSITION_ID, 277 NFTA_RULE_CHAIN_ID, 278 __NFTA_RULE_MAX 279 }; 280 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) 281 282 /** 283 * enum nft_rule_compat_flags - nf_tables rule compat flags 284 * 285 * @NFT_RULE_COMPAT_F_INV: invert the check result 286 */ 287 enum nft_rule_compat_flags { 288 NFT_RULE_COMPAT_F_INV = (1 << 1), 289 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, 290 }; 291 292 /** 293 * enum nft_rule_compat_attributes - nf_tables rule compat attributes 294 * 295 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32) 296 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) 297 */ 298 enum nft_rule_compat_attributes { 299 NFTA_RULE_COMPAT_UNSPEC, 300 NFTA_RULE_COMPAT_PROTO, 301 NFTA_RULE_COMPAT_FLAGS, 302 __NFTA_RULE_COMPAT_MAX 303 }; 304 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) 305 306 /** 307 * enum nft_set_flags - nf_tables set flags 308 * 309 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink 310 * @NFT_SET_CONSTANT: set contents may not change while bound 311 * @NFT_SET_INTERVAL: set contains intervals 312 * @NFT_SET_MAP: set is used as a dictionary 313 * @NFT_SET_TIMEOUT: set uses timeouts 314 * @NFT_SET_EVAL: set can be updated from the evaluation path 315 * @NFT_SET_OBJECT: set contains stateful objects 316 * @NFT_SET_CONCAT: set contains a concatenation 317 * @NFT_SET_EXPR: set contains expressions 318 */ 319 enum nft_set_flags { 320 NFT_SET_ANONYMOUS = 0x1, 321 NFT_SET_CONSTANT = 0x2, 322 NFT_SET_INTERVAL = 0x4, 323 NFT_SET_MAP = 0x8, 324 NFT_SET_TIMEOUT = 0x10, 325 NFT_SET_EVAL = 0x20, 326 NFT_SET_OBJECT = 0x40, 327 NFT_SET_CONCAT = 0x80, 328 NFT_SET_EXPR = 0x100, 329 }; 330 331 /** 332 * enum nft_set_policies - set selection policy 333 * 334 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use 335 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance 336 */ 337 enum nft_set_policies { 338 NFT_SET_POL_PERFORMANCE, 339 NFT_SET_POL_MEMORY, 340 }; 341 342 /** 343 * enum nft_set_desc_attributes - set element description 344 * 345 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) 346 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED) 347 */ 348 enum nft_set_desc_attributes { 349 NFTA_SET_DESC_UNSPEC, 350 NFTA_SET_DESC_SIZE, 351 NFTA_SET_DESC_CONCAT, 352 __NFTA_SET_DESC_MAX 353 }; 354 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) 355 356 /** 357 * enum nft_set_field_attributes - attributes of concatenated fields 358 * 359 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32) 360 */ 361 enum nft_set_field_attributes { 362 NFTA_SET_FIELD_UNSPEC, 363 NFTA_SET_FIELD_LEN, 364 __NFTA_SET_FIELD_MAX 365 }; 366 #define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1) 367 368 /** 369 * enum nft_set_attributes - nf_tables set netlink attributes 370 * 371 * @NFTA_SET_TABLE: table name (NLA_STRING) 372 * @NFTA_SET_NAME: set name (NLA_STRING) 373 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) 374 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) 375 * @NFTA_SET_KEY_LEN: key data length (NLA_U32) 376 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) 377 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) 378 * @NFTA_SET_POLICY: selection policy (NLA_U32) 379 * @NFTA_SET_DESC: set description (NLA_NESTED) 380 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 381 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) 382 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) 383 * @NFTA_SET_USERDATA: user data (NLA_BINARY) 384 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*) 385 * @NFTA_SET_HANDLE: set handle (NLA_U64) 386 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes) 387 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 388 */ 389 enum nft_set_attributes { 390 NFTA_SET_UNSPEC, 391 NFTA_SET_TABLE, 392 NFTA_SET_NAME, 393 NFTA_SET_FLAGS, 394 NFTA_SET_KEY_TYPE, 395 NFTA_SET_KEY_LEN, 396 NFTA_SET_DATA_TYPE, 397 NFTA_SET_DATA_LEN, 398 NFTA_SET_POLICY, 399 NFTA_SET_DESC, 400 NFTA_SET_ID, 401 NFTA_SET_TIMEOUT, 402 NFTA_SET_GC_INTERVAL, 403 NFTA_SET_USERDATA, 404 NFTA_SET_PAD, 405 NFTA_SET_OBJ_TYPE, 406 NFTA_SET_HANDLE, 407 NFTA_SET_EXPR, 408 NFTA_SET_EXPRESSIONS, 409 __NFTA_SET_MAX 410 }; 411 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) 412 413 /** 414 * enum nft_set_elem_flags - nf_tables set element flags 415 * 416 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval 417 * @NFT_SET_ELEM_CATCHALL: special catch-all element 418 */ 419 enum nft_set_elem_flags { 420 NFT_SET_ELEM_INTERVAL_END = 0x1, 421 NFT_SET_ELEM_CATCHALL = 0x2, 422 }; 423 424 /** 425 * enum nft_set_elem_attributes - nf_tables set element netlink attributes 426 * 427 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) 428 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) 429 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) 430 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64) 431 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) 432 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) 433 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) 434 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING) 435 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data) 436 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 437 */ 438 enum nft_set_elem_attributes { 439 NFTA_SET_ELEM_UNSPEC, 440 NFTA_SET_ELEM_KEY, 441 NFTA_SET_ELEM_DATA, 442 NFTA_SET_ELEM_FLAGS, 443 NFTA_SET_ELEM_TIMEOUT, 444 NFTA_SET_ELEM_EXPIRATION, 445 NFTA_SET_ELEM_USERDATA, 446 NFTA_SET_ELEM_EXPR, 447 NFTA_SET_ELEM_PAD, 448 NFTA_SET_ELEM_OBJREF, 449 NFTA_SET_ELEM_KEY_END, 450 NFTA_SET_ELEM_EXPRESSIONS, 451 __NFTA_SET_ELEM_MAX 452 }; 453 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) 454 455 /** 456 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes 457 * 458 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) 459 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) 460 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) 461 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 462 */ 463 enum nft_set_elem_list_attributes { 464 NFTA_SET_ELEM_LIST_UNSPEC, 465 NFTA_SET_ELEM_LIST_TABLE, 466 NFTA_SET_ELEM_LIST_SET, 467 NFTA_SET_ELEM_LIST_ELEMENTS, 468 NFTA_SET_ELEM_LIST_SET_ID, 469 __NFTA_SET_ELEM_LIST_MAX 470 }; 471 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) 472 473 /** 474 * enum nft_data_types - nf_tables data types 475 * 476 * @NFT_DATA_VALUE: generic data 477 * @NFT_DATA_VERDICT: netfilter verdict 478 * 479 * The type of data is usually determined by the kernel directly and is not 480 * explicitly specified by userspace. The only difference are sets, where 481 * userspace specifies the key and mapping data types. 482 * 483 * The values 0xffffff00-0xffffffff are reserved for internally used types. 484 * The remaining range can be freely used by userspace to encode types, all 485 * values are equivalent to NFT_DATA_VALUE. 486 */ 487 enum nft_data_types { 488 NFT_DATA_VALUE, 489 NFT_DATA_VERDICT = 0xffffff00U, 490 }; 491 492 #define NFT_DATA_RESERVED_MASK 0xffffff00U 493 494 /** 495 * enum nft_data_attributes - nf_tables data netlink attributes 496 * 497 * @NFTA_DATA_VALUE: generic data (NLA_BINARY) 498 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) 499 */ 500 enum nft_data_attributes { 501 NFTA_DATA_UNSPEC, 502 NFTA_DATA_VALUE, 503 NFTA_DATA_VERDICT, 504 __NFTA_DATA_MAX 505 }; 506 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) 507 508 /* Maximum length of a value */ 509 #define NFT_DATA_VALUE_MAXLEN 64 510 511 /** 512 * enum nft_verdict_attributes - nf_tables verdict netlink attributes 513 * 514 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) 515 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) 516 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32) 517 */ 518 enum nft_verdict_attributes { 519 NFTA_VERDICT_UNSPEC, 520 NFTA_VERDICT_CODE, 521 NFTA_VERDICT_CHAIN, 522 NFTA_VERDICT_CHAIN_ID, 523 __NFTA_VERDICT_MAX 524 }; 525 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) 526 527 /** 528 * enum nft_expr_attributes - nf_tables expression netlink attributes 529 * 530 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) 531 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) 532 */ 533 enum nft_expr_attributes { 534 NFTA_EXPR_UNSPEC, 535 NFTA_EXPR_NAME, 536 NFTA_EXPR_DATA, 537 __NFTA_EXPR_MAX 538 }; 539 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) 540 541 /** 542 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes 543 * 544 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) 545 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) 546 */ 547 enum nft_immediate_attributes { 548 NFTA_IMMEDIATE_UNSPEC, 549 NFTA_IMMEDIATE_DREG, 550 NFTA_IMMEDIATE_DATA, 551 __NFTA_IMMEDIATE_MAX 552 }; 553 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) 554 555 /** 556 * enum nft_bitwise_ops - nf_tables bitwise operations 557 * 558 * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and 559 * XOR boolean operations 560 * @NFT_BITWISE_LSHIFT: left-shift operation 561 * @NFT_BITWISE_RSHIFT: right-shift operation 562 */ 563 enum nft_bitwise_ops { 564 NFT_BITWISE_BOOL, 565 NFT_BITWISE_LSHIFT, 566 NFT_BITWISE_RSHIFT, 567 }; 568 569 /** 570 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes 571 * 572 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) 573 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) 574 * @NFTA_BITWISE_LEN: length of operands (NLA_U32) 575 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) 576 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) 577 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops) 578 * @NFTA_BITWISE_DATA: argument for non-boolean operations 579 * (NLA_NESTED: nft_data_attributes) 580 * 581 * The bitwise expression supports boolean and shift operations. It implements 582 * the boolean operations by performing the following operation: 583 * 584 * dreg = (sreg & mask) ^ xor 585 * 586 * with these mask and xor values: 587 * 588 * mask xor 589 * NOT: 1 1 590 * OR: ~x x 591 * XOR: 1 x 592 * AND: x 0 593 */ 594 enum nft_bitwise_attributes { 595 NFTA_BITWISE_UNSPEC, 596 NFTA_BITWISE_SREG, 597 NFTA_BITWISE_DREG, 598 NFTA_BITWISE_LEN, 599 NFTA_BITWISE_MASK, 600 NFTA_BITWISE_XOR, 601 NFTA_BITWISE_OP, 602 NFTA_BITWISE_DATA, 603 __NFTA_BITWISE_MAX 604 }; 605 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) 606 607 /** 608 * enum nft_byteorder_ops - nf_tables byteorder operators 609 * 610 * @NFT_BYTEORDER_NTOH: network to host operator 611 * @NFT_BYTEORDER_HTON: host to network operator 612 */ 613 enum nft_byteorder_ops { 614 NFT_BYTEORDER_NTOH, 615 NFT_BYTEORDER_HTON, 616 }; 617 618 /** 619 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes 620 * 621 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) 622 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) 623 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) 624 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) 625 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) 626 */ 627 enum nft_byteorder_attributes { 628 NFTA_BYTEORDER_UNSPEC, 629 NFTA_BYTEORDER_SREG, 630 NFTA_BYTEORDER_DREG, 631 NFTA_BYTEORDER_OP, 632 NFTA_BYTEORDER_LEN, 633 NFTA_BYTEORDER_SIZE, 634 __NFTA_BYTEORDER_MAX 635 }; 636 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) 637 638 /** 639 * enum nft_cmp_ops - nf_tables relational operator 640 * 641 * @NFT_CMP_EQ: equal 642 * @NFT_CMP_NEQ: not equal 643 * @NFT_CMP_LT: less than 644 * @NFT_CMP_LTE: less than or equal to 645 * @NFT_CMP_GT: greater than 646 * @NFT_CMP_GTE: greater than or equal to 647 */ 648 enum nft_cmp_ops { 649 NFT_CMP_EQ, 650 NFT_CMP_NEQ, 651 NFT_CMP_LT, 652 NFT_CMP_LTE, 653 NFT_CMP_GT, 654 NFT_CMP_GTE, 655 }; 656 657 /** 658 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes 659 * 660 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) 661 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) 662 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) 663 */ 664 enum nft_cmp_attributes { 665 NFTA_CMP_UNSPEC, 666 NFTA_CMP_SREG, 667 NFTA_CMP_OP, 668 NFTA_CMP_DATA, 669 __NFTA_CMP_MAX 670 }; 671 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) 672 673 /** 674 * enum nft_range_ops - nf_tables range operator 675 * 676 * @NFT_RANGE_EQ: equal 677 * @NFT_RANGE_NEQ: not equal 678 */ 679 enum nft_range_ops { 680 NFT_RANGE_EQ, 681 NFT_RANGE_NEQ, 682 }; 683 684 /** 685 * enum nft_range_attributes - nf_tables range expression netlink attributes 686 * 687 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) 688 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops) 689 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) 690 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) 691 */ 692 enum nft_range_attributes { 693 NFTA_RANGE_UNSPEC, 694 NFTA_RANGE_SREG, 695 NFTA_RANGE_OP, 696 NFTA_RANGE_FROM_DATA, 697 NFTA_RANGE_TO_DATA, 698 __NFTA_RANGE_MAX 699 }; 700 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1) 701 702 enum nft_lookup_flags { 703 NFT_LOOKUP_F_INV = (1 << 0), 704 }; 705 706 /** 707 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes 708 * 709 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) 710 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) 711 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) 712 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 713 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) 714 */ 715 enum nft_lookup_attributes { 716 NFTA_LOOKUP_UNSPEC, 717 NFTA_LOOKUP_SET, 718 NFTA_LOOKUP_SREG, 719 NFTA_LOOKUP_DREG, 720 NFTA_LOOKUP_SET_ID, 721 NFTA_LOOKUP_FLAGS, 722 __NFTA_LOOKUP_MAX 723 }; 724 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) 725 726 enum nft_dynset_ops { 727 NFT_DYNSET_OP_ADD, 728 NFT_DYNSET_OP_UPDATE, 729 NFT_DYNSET_OP_DELETE, 730 }; 731 732 enum nft_dynset_flags { 733 NFT_DYNSET_F_INV = (1 << 0), 734 NFT_DYNSET_F_EXPR = (1 << 1), 735 }; 736 737 /** 738 * enum nft_dynset_attributes - dynset expression attributes 739 * 740 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) 741 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) 742 * @NFTA_DYNSET_OP: operation (NLA_U32) 743 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) 744 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) 745 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) 746 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) 747 * @NFTA_DYNSET_FLAGS: flags (NLA_U32) 748 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 749 */ 750 enum nft_dynset_attributes { 751 NFTA_DYNSET_UNSPEC, 752 NFTA_DYNSET_SET_NAME, 753 NFTA_DYNSET_SET_ID, 754 NFTA_DYNSET_OP, 755 NFTA_DYNSET_SREG_KEY, 756 NFTA_DYNSET_SREG_DATA, 757 NFTA_DYNSET_TIMEOUT, 758 NFTA_DYNSET_EXPR, 759 NFTA_DYNSET_PAD, 760 NFTA_DYNSET_FLAGS, 761 NFTA_DYNSET_EXPRESSIONS, 762 __NFTA_DYNSET_MAX, 763 }; 764 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) 765 766 /** 767 * enum nft_payload_bases - nf_tables payload expression offset bases 768 * 769 * @NFT_PAYLOAD_LL_HEADER: link layer header 770 * @NFT_PAYLOAD_NETWORK_HEADER: network header 771 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header 772 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload 773 */ 774 enum nft_payload_bases { 775 NFT_PAYLOAD_LL_HEADER, 776 NFT_PAYLOAD_NETWORK_HEADER, 777 NFT_PAYLOAD_TRANSPORT_HEADER, 778 NFT_PAYLOAD_INNER_HEADER, 779 NFT_PAYLOAD_TUN_HEADER, 780 }; 781 782 /** 783 * enum nft_payload_csum_types - nf_tables payload expression checksum types 784 * 785 * @NFT_PAYLOAD_CSUM_NONE: no checksumming 786 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) 787 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309) 788 */ 789 enum nft_payload_csum_types { 790 NFT_PAYLOAD_CSUM_NONE, 791 NFT_PAYLOAD_CSUM_INET, 792 NFT_PAYLOAD_CSUM_SCTP, 793 }; 794 795 enum nft_payload_csum_flags { 796 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0), 797 }; 798 799 enum nft_inner_type { 800 NFT_INNER_UNSPEC = 0, 801 NFT_INNER_VXLAN, 802 NFT_INNER_GENEVE, 803 }; 804 805 enum nft_inner_flags { 806 NFT_INNER_HDRSIZE = (1 << 0), 807 NFT_INNER_LL = (1 << 1), 808 NFT_INNER_NH = (1 << 2), 809 NFT_INNER_TH = (1 << 3), 810 }; 811 #define NFT_INNER_MASK (NFT_INNER_HDRSIZE | NFT_INNER_LL | \ 812 NFT_INNER_NH | NFT_INNER_TH) 813 814 enum nft_inner_attributes { 815 NFTA_INNER_UNSPEC, 816 NFTA_INNER_NUM, 817 NFTA_INNER_TYPE, 818 NFTA_INNER_FLAGS, 819 NFTA_INNER_HDRSIZE, 820 NFTA_INNER_EXPR, 821 __NFTA_INNER_MAX 822 }; 823 #define NFTA_INNER_MAX (__NFTA_INNER_MAX - 1) 824 825 /** 826 * enum nft_payload_attributes - nf_tables payload expression netlink attributes 827 * 828 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) 829 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) 830 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) 831 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) 832 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) 833 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) 834 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) 835 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32) 836 */ 837 enum nft_payload_attributes { 838 NFTA_PAYLOAD_UNSPEC, 839 NFTA_PAYLOAD_DREG, 840 NFTA_PAYLOAD_BASE, 841 NFTA_PAYLOAD_OFFSET, 842 NFTA_PAYLOAD_LEN, 843 NFTA_PAYLOAD_SREG, 844 NFTA_PAYLOAD_CSUM_TYPE, 845 NFTA_PAYLOAD_CSUM_OFFSET, 846 NFTA_PAYLOAD_CSUM_FLAGS, 847 __NFTA_PAYLOAD_MAX 848 }; 849 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) 850 851 enum nft_exthdr_flags { 852 NFT_EXTHDR_F_PRESENT = (1 << 0), 853 }; 854 855 /** 856 * enum nft_exthdr_op - nf_tables match options 857 * 858 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers 859 * @NFT_EXTHDR_OP_TCP: match against tcp options 860 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options 861 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks 862 */ 863 enum nft_exthdr_op { 864 NFT_EXTHDR_OP_IPV6, 865 NFT_EXTHDR_OP_TCPOPT, 866 NFT_EXTHDR_OP_IPV4, 867 NFT_EXTHDR_OP_SCTP, 868 __NFT_EXTHDR_OP_MAX 869 }; 870 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1) 871 872 /** 873 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes 874 * 875 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) 876 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) 877 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) 878 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) 879 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32) 880 * @NFTA_EXTHDR_OP: option match type (NLA_U32) 881 * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers) 882 */ 883 enum nft_exthdr_attributes { 884 NFTA_EXTHDR_UNSPEC, 885 NFTA_EXTHDR_DREG, 886 NFTA_EXTHDR_TYPE, 887 NFTA_EXTHDR_OFFSET, 888 NFTA_EXTHDR_LEN, 889 NFTA_EXTHDR_FLAGS, 890 NFTA_EXTHDR_OP, 891 NFTA_EXTHDR_SREG, 892 __NFTA_EXTHDR_MAX 893 }; 894 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) 895 896 /** 897 * enum nft_meta_keys - nf_tables meta expression keys 898 * 899 * @NFT_META_LEN: packet length (skb->len) 900 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT 901 * @NFT_META_PRIORITY: packet priority (skb->priority) 902 * @NFT_META_MARK: packet mark (skb->mark) 903 * @NFT_META_IIF: packet input interface index (dev->ifindex) 904 * @NFT_META_OIF: packet output interface index (dev->ifindex) 905 * @NFT_META_IIFNAME: packet input interface name (dev->name) 906 * @NFT_META_OIFNAME: packet output interface name (dev->name) 907 * @NFT_META_IIFTYPE: packet input interface type (dev->type) 908 * @NFT_META_OIFTYPE: packet output interface type (dev->type) 909 * @NFT_META_SKUID: originating socket UID (fsuid) 910 * @NFT_META_SKGID: originating socket GID (fsgid) 911 * @NFT_META_NFTRACE: packet nftrace bit 912 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) 913 * @NFT_META_SECMARK: packet secmark (skb->secmark) 914 * @NFT_META_NFPROTO: netfilter protocol 915 * @NFT_META_L4PROTO: layer 4 protocol number 916 * @NFT_META_BRI_IIFNAME: packet input bridge interface name 917 * @NFT_META_BRI_OIFNAME: packet output bridge interface name 918 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback 919 * @NFT_META_CPU: cpu id through smp_processor_id() 920 * @NFT_META_IIFGROUP: packet input interface group 921 * @NFT_META_OIFGROUP: packet output interface group 922 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) 923 * @NFT_META_PRANDOM: a 32bit pseudo-random number 924 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp) 925 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind) 926 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind) 927 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid 928 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto 929 * @NFT_META_TIME_NS: time since epoch (in nanoseconds) 930 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday) 931 * @NFT_META_TIME_HOUR: hour of day (in seconds) 932 * @NFT_META_SDIF: slave device interface index 933 * @NFT_META_SDIFNAME: slave device interface name 934 * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit 935 */ 936 enum nft_meta_keys { 937 NFT_META_LEN, 938 NFT_META_PROTOCOL, 939 NFT_META_PRIORITY, 940 NFT_META_MARK, 941 NFT_META_IIF, 942 NFT_META_OIF, 943 NFT_META_IIFNAME, 944 NFT_META_OIFNAME, 945 NFT_META_IFTYPE, 946 #define NFT_META_IIFTYPE NFT_META_IFTYPE 947 NFT_META_OIFTYPE, 948 NFT_META_SKUID, 949 NFT_META_SKGID, 950 NFT_META_NFTRACE, 951 NFT_META_RTCLASSID, 952 NFT_META_SECMARK, 953 NFT_META_NFPROTO, 954 NFT_META_L4PROTO, 955 NFT_META_BRI_IIFNAME, 956 NFT_META_BRI_OIFNAME, 957 NFT_META_PKTTYPE, 958 NFT_META_CPU, 959 NFT_META_IIFGROUP, 960 NFT_META_OIFGROUP, 961 NFT_META_CGROUP, 962 NFT_META_PRANDOM, 963 NFT_META_SECPATH, 964 NFT_META_IIFKIND, 965 NFT_META_OIFKIND, 966 NFT_META_BRI_IIFPVID, 967 NFT_META_BRI_IIFVPROTO, 968 NFT_META_TIME_NS, 969 NFT_META_TIME_DAY, 970 NFT_META_TIME_HOUR, 971 NFT_META_SDIF, 972 NFT_META_SDIFNAME, 973 NFT_META_BRI_BROUTE, 974 __NFT_META_IIFTYPE, 975 }; 976 977 /** 978 * enum nft_rt_keys - nf_tables routing expression keys 979 * 980 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid) 981 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4 982 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6 983 * @NFT_RT_TCPMSS: fetch current path tcp mss 984 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL 985 */ 986 enum nft_rt_keys { 987 NFT_RT_CLASSID, 988 NFT_RT_NEXTHOP4, 989 NFT_RT_NEXTHOP6, 990 NFT_RT_TCPMSS, 991 NFT_RT_XFRM, 992 __NFT_RT_MAX 993 }; 994 #define NFT_RT_MAX (__NFT_RT_MAX - 1) 995 996 /** 997 * enum nft_hash_types - nf_tables hash expression types 998 * 999 * @NFT_HASH_JENKINS: Jenkins Hash 1000 * @NFT_HASH_SYM: Symmetric Hash 1001 */ 1002 enum nft_hash_types { 1003 NFT_HASH_JENKINS, 1004 NFT_HASH_SYM, 1005 }; 1006 1007 /** 1008 * enum nft_hash_attributes - nf_tables hash expression netlink attributes 1009 * 1010 * @NFTA_HASH_SREG: source register (NLA_U32) 1011 * @NFTA_HASH_DREG: destination register (NLA_U32) 1012 * @NFTA_HASH_LEN: source data length (NLA_U32) 1013 * @NFTA_HASH_MODULUS: modulus value (NLA_U32) 1014 * @NFTA_HASH_SEED: seed value (NLA_U32) 1015 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) 1016 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types) 1017 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING) 1018 * @NFTA_HASH_SET_ID: id of the map (NLA_U32) 1019 */ 1020 enum nft_hash_attributes { 1021 NFTA_HASH_UNSPEC, 1022 NFTA_HASH_SREG, 1023 NFTA_HASH_DREG, 1024 NFTA_HASH_LEN, 1025 NFTA_HASH_MODULUS, 1026 NFTA_HASH_SEED, 1027 NFTA_HASH_OFFSET, 1028 NFTA_HASH_TYPE, 1029 NFTA_HASH_SET_NAME, /* deprecated */ 1030 NFTA_HASH_SET_ID, /* deprecated */ 1031 __NFTA_HASH_MAX, 1032 }; 1033 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1) 1034 1035 /** 1036 * enum nft_meta_attributes - nf_tables meta expression netlink attributes 1037 * 1038 * @NFTA_META_DREG: destination register (NLA_U32) 1039 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) 1040 * @NFTA_META_SREG: source register (NLA_U32) 1041 */ 1042 enum nft_meta_attributes { 1043 NFTA_META_UNSPEC, 1044 NFTA_META_DREG, 1045 NFTA_META_KEY, 1046 NFTA_META_SREG, 1047 __NFTA_META_MAX 1048 }; 1049 #define NFTA_META_MAX (__NFTA_META_MAX - 1) 1050 1051 /** 1052 * enum nft_rt_attributes - nf_tables routing expression netlink attributes 1053 * 1054 * @NFTA_RT_DREG: destination register (NLA_U32) 1055 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys) 1056 */ 1057 enum nft_rt_attributes { 1058 NFTA_RT_UNSPEC, 1059 NFTA_RT_DREG, 1060 NFTA_RT_KEY, 1061 __NFTA_RT_MAX 1062 }; 1063 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1) 1064 1065 /** 1066 * enum nft_socket_attributes - nf_tables socket expression netlink attributes 1067 * 1068 * @NFTA_SOCKET_KEY: socket key to match 1069 * @NFTA_SOCKET_DREG: destination register 1070 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2) 1071 */ 1072 enum nft_socket_attributes { 1073 NFTA_SOCKET_UNSPEC, 1074 NFTA_SOCKET_KEY, 1075 NFTA_SOCKET_DREG, 1076 NFTA_SOCKET_LEVEL, 1077 __NFTA_SOCKET_MAX 1078 }; 1079 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1) 1080 1081 /* 1082 * enum nft_socket_keys - nf_tables socket expression keys 1083 * 1084 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option 1085 * @NFT_SOCKET_MARK: Value of the socket mark 1086 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0) 1087 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2 1088 */ 1089 enum nft_socket_keys { 1090 NFT_SOCKET_TRANSPARENT, 1091 NFT_SOCKET_MARK, 1092 NFT_SOCKET_WILDCARD, 1093 NFT_SOCKET_CGROUPV2, 1094 __NFT_SOCKET_MAX 1095 }; 1096 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1) 1097 1098 /** 1099 * enum nft_ct_keys - nf_tables ct expression keys 1100 * 1101 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) 1102 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) 1103 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) 1104 * @NFT_CT_MARK: conntrack mark value 1105 * @NFT_CT_SECMARK: conntrack secmark value 1106 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms 1107 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack 1108 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol 1109 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated) 1110 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated) 1111 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol 1112 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source 1113 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination 1114 * @NFT_CT_LABELS: conntrack labels 1115 * @NFT_CT_PKTS: conntrack packets 1116 * @NFT_CT_BYTES: conntrack bytes 1117 * @NFT_CT_AVGPKT: conntrack average bytes per packet 1118 * @NFT_CT_ZONE: conntrack zone 1119 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack 1120 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address) 1121 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address) 1122 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address) 1123 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address) 1124 * @NFT_CT_ID: conntrack id 1125 */ 1126 enum nft_ct_keys { 1127 NFT_CT_STATE, 1128 NFT_CT_DIRECTION, 1129 NFT_CT_STATUS, 1130 NFT_CT_MARK, 1131 NFT_CT_SECMARK, 1132 NFT_CT_EXPIRATION, 1133 NFT_CT_HELPER, 1134 NFT_CT_L3PROTOCOL, 1135 NFT_CT_SRC, 1136 NFT_CT_DST, 1137 NFT_CT_PROTOCOL, 1138 NFT_CT_PROTO_SRC, 1139 NFT_CT_PROTO_DST, 1140 NFT_CT_LABELS, 1141 NFT_CT_PKTS, 1142 NFT_CT_BYTES, 1143 NFT_CT_AVGPKT, 1144 NFT_CT_ZONE, 1145 NFT_CT_EVENTMASK, 1146 NFT_CT_SRC_IP, 1147 NFT_CT_DST_IP, 1148 NFT_CT_SRC_IP6, 1149 NFT_CT_DST_IP6, 1150 NFT_CT_ID, 1151 __NFT_CT_MAX 1152 }; 1153 #define NFT_CT_MAX (__NFT_CT_MAX - 1) 1154 1155 /** 1156 * enum nft_ct_attributes - nf_tables ct expression netlink attributes 1157 * 1158 * @NFTA_CT_DREG: destination register (NLA_U32) 1159 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) 1160 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) 1161 * @NFTA_CT_SREG: source register (NLA_U32) 1162 */ 1163 enum nft_ct_attributes { 1164 NFTA_CT_UNSPEC, 1165 NFTA_CT_DREG, 1166 NFTA_CT_KEY, 1167 NFTA_CT_DIRECTION, 1168 NFTA_CT_SREG, 1169 __NFTA_CT_MAX 1170 }; 1171 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) 1172 1173 /** 1174 * enum nft_flow_attributes - ct offload expression attributes 1175 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING) 1176 */ 1177 enum nft_offload_attributes { 1178 NFTA_FLOW_UNSPEC, 1179 NFTA_FLOW_TABLE_NAME, 1180 __NFTA_FLOW_MAX, 1181 }; 1182 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1) 1183 1184 enum nft_limit_type { 1185 NFT_LIMIT_PKTS, 1186 NFT_LIMIT_PKT_BYTES 1187 }; 1188 1189 enum nft_limit_flags { 1190 NFT_LIMIT_F_INV = (1 << 0), 1191 }; 1192 1193 /** 1194 * enum nft_limit_attributes - nf_tables limit expression netlink attributes 1195 * 1196 * @NFTA_LIMIT_RATE: refill rate (NLA_U64) 1197 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) 1198 * @NFTA_LIMIT_BURST: burst (NLA_U32) 1199 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) 1200 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) 1201 */ 1202 enum nft_limit_attributes { 1203 NFTA_LIMIT_UNSPEC, 1204 NFTA_LIMIT_RATE, 1205 NFTA_LIMIT_UNIT, 1206 NFTA_LIMIT_BURST, 1207 NFTA_LIMIT_TYPE, 1208 NFTA_LIMIT_FLAGS, 1209 NFTA_LIMIT_PAD, 1210 __NFTA_LIMIT_MAX 1211 }; 1212 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) 1213 1214 enum nft_connlimit_flags { 1215 NFT_CONNLIMIT_F_INV = (1 << 0), 1216 }; 1217 1218 /** 1219 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes 1220 * 1221 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32) 1222 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags) 1223 */ 1224 enum nft_connlimit_attributes { 1225 NFTA_CONNLIMIT_UNSPEC, 1226 NFTA_CONNLIMIT_COUNT, 1227 NFTA_CONNLIMIT_FLAGS, 1228 __NFTA_CONNLIMIT_MAX 1229 }; 1230 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1) 1231 1232 /** 1233 * enum nft_counter_attributes - nf_tables counter expression netlink attributes 1234 * 1235 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) 1236 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) 1237 */ 1238 enum nft_counter_attributes { 1239 NFTA_COUNTER_UNSPEC, 1240 NFTA_COUNTER_BYTES, 1241 NFTA_COUNTER_PACKETS, 1242 NFTA_COUNTER_PAD, 1243 __NFTA_COUNTER_MAX 1244 }; 1245 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) 1246 1247 /** 1248 * enum nft_last_attributes - nf_tables last expression netlink attributes 1249 * 1250 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32) 1251 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64) 1252 */ 1253 enum nft_last_attributes { 1254 NFTA_LAST_UNSPEC, 1255 NFTA_LAST_SET, 1256 NFTA_LAST_MSECS, 1257 NFTA_LAST_PAD, 1258 __NFTA_LAST_MAX 1259 }; 1260 #define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1) 1261 1262 /** 1263 * enum nft_log_attributes - nf_tables log expression netlink attributes 1264 * 1265 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16) 1266 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) 1267 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) 1268 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16) 1269 * @NFTA_LOG_LEVEL: log level (NLA_U32) 1270 * @NFTA_LOG_FLAGS: logging flags (NLA_U32) 1271 */ 1272 enum nft_log_attributes { 1273 NFTA_LOG_UNSPEC, 1274 NFTA_LOG_GROUP, 1275 NFTA_LOG_PREFIX, 1276 NFTA_LOG_SNAPLEN, 1277 NFTA_LOG_QTHRESHOLD, 1278 NFTA_LOG_LEVEL, 1279 NFTA_LOG_FLAGS, 1280 __NFTA_LOG_MAX 1281 }; 1282 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) 1283 1284 /** 1285 * enum nft_log_level - nf_tables log levels 1286 * 1287 * @NFT_LOGLEVEL_EMERG: system is unusable 1288 * @NFT_LOGLEVEL_ALERT: action must be taken immediately 1289 * @NFT_LOGLEVEL_CRIT: critical conditions 1290 * @NFT_LOGLEVEL_ERR: error conditions 1291 * @NFT_LOGLEVEL_WARNING: warning conditions 1292 * @NFT_LOGLEVEL_NOTICE: normal but significant condition 1293 * @NFT_LOGLEVEL_INFO: informational 1294 * @NFT_LOGLEVEL_DEBUG: debug-level messages 1295 * @NFT_LOGLEVEL_AUDIT: enabling audit logging 1296 */ 1297 enum nft_log_level { 1298 NFT_LOGLEVEL_EMERG, 1299 NFT_LOGLEVEL_ALERT, 1300 NFT_LOGLEVEL_CRIT, 1301 NFT_LOGLEVEL_ERR, 1302 NFT_LOGLEVEL_WARNING, 1303 NFT_LOGLEVEL_NOTICE, 1304 NFT_LOGLEVEL_INFO, 1305 NFT_LOGLEVEL_DEBUG, 1306 NFT_LOGLEVEL_AUDIT, 1307 __NFT_LOGLEVEL_MAX 1308 }; 1309 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1) 1310 1311 /** 1312 * enum nft_queue_attributes - nf_tables queue expression netlink attributes 1313 * 1314 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) 1315 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) 1316 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) 1317 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) 1318 */ 1319 enum nft_queue_attributes { 1320 NFTA_QUEUE_UNSPEC, 1321 NFTA_QUEUE_NUM, 1322 NFTA_QUEUE_TOTAL, 1323 NFTA_QUEUE_FLAGS, 1324 NFTA_QUEUE_SREG_QNUM, 1325 __NFTA_QUEUE_MAX 1326 }; 1327 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) 1328 1329 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ 1330 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ 1331 #define NFT_QUEUE_FLAG_MASK 0x03 1332 1333 enum nft_quota_flags { 1334 NFT_QUOTA_F_INV = (1 << 0), 1335 NFT_QUOTA_F_DEPLETED = (1 << 1), 1336 }; 1337 1338 /** 1339 * enum nft_quota_attributes - nf_tables quota expression netlink attributes 1340 * 1341 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) 1342 * @NFTA_QUOTA_FLAGS: flags (NLA_U32) 1343 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64) 1344 */ 1345 enum nft_quota_attributes { 1346 NFTA_QUOTA_UNSPEC, 1347 NFTA_QUOTA_BYTES, 1348 NFTA_QUOTA_FLAGS, 1349 NFTA_QUOTA_PAD, 1350 NFTA_QUOTA_CONSUMED, 1351 __NFTA_QUOTA_MAX 1352 }; 1353 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1) 1354 1355 /** 1356 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes 1357 * 1358 * @NFTA_SECMARK_CTX: security context (NLA_STRING) 1359 */ 1360 enum nft_secmark_attributes { 1361 NFTA_SECMARK_UNSPEC, 1362 NFTA_SECMARK_CTX, 1363 __NFTA_SECMARK_MAX, 1364 }; 1365 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) 1366 1367 /* Max security context length */ 1368 #define NFT_SECMARK_CTX_MAXLEN 256 1369 1370 /** 1371 * enum nft_reject_types - nf_tables reject expression reject types 1372 * 1373 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable 1374 * @NFT_REJECT_TCP_RST: reject using TCP RST 1375 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet 1376 */ 1377 enum nft_reject_types { 1378 NFT_REJECT_ICMP_UNREACH, 1379 NFT_REJECT_TCP_RST, 1380 NFT_REJECT_ICMPX_UNREACH, 1381 }; 1382 1383 /** 1384 * enum nft_reject_code - Generic reject codes for IPv4/IPv6 1385 * 1386 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable 1387 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable 1388 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable 1389 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited 1390 * 1391 * These codes are mapped to real ICMP and ICMPv6 codes. 1392 */ 1393 enum nft_reject_inet_code { 1394 NFT_REJECT_ICMPX_NO_ROUTE = 0, 1395 NFT_REJECT_ICMPX_PORT_UNREACH, 1396 NFT_REJECT_ICMPX_HOST_UNREACH, 1397 NFT_REJECT_ICMPX_ADMIN_PROHIBITED, 1398 __NFT_REJECT_ICMPX_MAX 1399 }; 1400 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) 1401 1402 /** 1403 * enum nft_reject_attributes - nf_tables reject expression netlink attributes 1404 * 1405 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) 1406 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) 1407 */ 1408 enum nft_reject_attributes { 1409 NFTA_REJECT_UNSPEC, 1410 NFTA_REJECT_TYPE, 1411 NFTA_REJECT_ICMP_CODE, 1412 __NFTA_REJECT_MAX 1413 }; 1414 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) 1415 1416 /** 1417 * enum nft_nat_types - nf_tables nat expression NAT types 1418 * 1419 * @NFT_NAT_SNAT: source NAT 1420 * @NFT_NAT_DNAT: destination NAT 1421 */ 1422 enum nft_nat_types { 1423 NFT_NAT_SNAT, 1424 NFT_NAT_DNAT, 1425 }; 1426 1427 /** 1428 * enum nft_nat_attributes - nf_tables nat expression netlink attributes 1429 * 1430 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) 1431 * @NFTA_NAT_FAMILY: NAT family (NLA_U32) 1432 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) 1433 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) 1434 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1435 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1436 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1437 */ 1438 enum nft_nat_attributes { 1439 NFTA_NAT_UNSPEC, 1440 NFTA_NAT_TYPE, 1441 NFTA_NAT_FAMILY, 1442 NFTA_NAT_REG_ADDR_MIN, 1443 NFTA_NAT_REG_ADDR_MAX, 1444 NFTA_NAT_REG_PROTO_MIN, 1445 NFTA_NAT_REG_PROTO_MAX, 1446 NFTA_NAT_FLAGS, 1447 __NFTA_NAT_MAX 1448 }; 1449 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) 1450 1451 /** 1452 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes 1453 * 1454 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers) 1455 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers) 1456 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers) 1457 */ 1458 enum nft_tproxy_attributes { 1459 NFTA_TPROXY_UNSPEC, 1460 NFTA_TPROXY_FAMILY, 1461 NFTA_TPROXY_REG_ADDR, 1462 NFTA_TPROXY_REG_PORT, 1463 __NFTA_TPROXY_MAX 1464 }; 1465 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1) 1466 1467 /** 1468 * enum nft_masq_attributes - nf_tables masquerade expression attributes 1469 * 1470 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1471 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1472 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1473 */ 1474 enum nft_masq_attributes { 1475 NFTA_MASQ_UNSPEC, 1476 NFTA_MASQ_FLAGS, 1477 NFTA_MASQ_REG_PROTO_MIN, 1478 NFTA_MASQ_REG_PROTO_MAX, 1479 __NFTA_MASQ_MAX 1480 }; 1481 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) 1482 1483 /** 1484 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes 1485 * 1486 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1487 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1488 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1489 */ 1490 enum nft_redir_attributes { 1491 NFTA_REDIR_UNSPEC, 1492 NFTA_REDIR_REG_PROTO_MIN, 1493 NFTA_REDIR_REG_PROTO_MAX, 1494 NFTA_REDIR_FLAGS, 1495 __NFTA_REDIR_MAX 1496 }; 1497 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) 1498 1499 /** 1500 * enum nft_dup_attributes - nf_tables dup expression netlink attributes 1501 * 1502 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) 1503 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1504 */ 1505 enum nft_dup_attributes { 1506 NFTA_DUP_UNSPEC, 1507 NFTA_DUP_SREG_ADDR, 1508 NFTA_DUP_SREG_DEV, 1509 __NFTA_DUP_MAX 1510 }; 1511 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) 1512 1513 /** 1514 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes 1515 * 1516 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1517 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register) 1518 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto) 1519 */ 1520 enum nft_fwd_attributes { 1521 NFTA_FWD_UNSPEC, 1522 NFTA_FWD_SREG_DEV, 1523 NFTA_FWD_SREG_ADDR, 1524 NFTA_FWD_NFPROTO, 1525 __NFTA_FWD_MAX 1526 }; 1527 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1) 1528 1529 /** 1530 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes 1531 * 1532 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register) 1533 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING) 1534 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers) 1535 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING) 1536 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32) 1537 */ 1538 enum nft_objref_attributes { 1539 NFTA_OBJREF_UNSPEC, 1540 NFTA_OBJREF_IMM_TYPE, 1541 NFTA_OBJREF_IMM_NAME, 1542 NFTA_OBJREF_SET_SREG, 1543 NFTA_OBJREF_SET_NAME, 1544 NFTA_OBJREF_SET_ID, 1545 __NFTA_OBJREF_MAX 1546 }; 1547 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1) 1548 1549 /** 1550 * enum nft_gen_attributes - nf_tables ruleset generation attributes 1551 * 1552 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) 1553 */ 1554 enum nft_gen_attributes { 1555 NFTA_GEN_UNSPEC, 1556 NFTA_GEN_ID, 1557 NFTA_GEN_PROC_PID, 1558 NFTA_GEN_PROC_NAME, 1559 __NFTA_GEN_MAX 1560 }; 1561 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) 1562 1563 /* 1564 * enum nft_fib_attributes - nf_tables fib expression netlink attributes 1565 * 1566 * @NFTA_FIB_DREG: destination register (NLA_U32) 1567 * @NFTA_FIB_RESULT: desired result (NLA_U32) 1568 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) 1569 * 1570 * The FIB expression performs a route lookup according 1571 * to the packet data. 1572 */ 1573 enum nft_fib_attributes { 1574 NFTA_FIB_UNSPEC, 1575 NFTA_FIB_DREG, 1576 NFTA_FIB_RESULT, 1577 NFTA_FIB_FLAGS, 1578 __NFTA_FIB_MAX 1579 }; 1580 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1) 1581 1582 enum nft_fib_result { 1583 NFT_FIB_RESULT_UNSPEC, 1584 NFT_FIB_RESULT_OIF, 1585 NFT_FIB_RESULT_OIFNAME, 1586 NFT_FIB_RESULT_ADDRTYPE, 1587 __NFT_FIB_RESULT_MAX 1588 }; 1589 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1) 1590 1591 enum nft_fib_flags { 1592 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */ 1593 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */ 1594 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */ 1595 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */ 1596 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */ 1597 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */ 1598 }; 1599 1600 enum nft_ct_helper_attributes { 1601 NFTA_CT_HELPER_UNSPEC, 1602 NFTA_CT_HELPER_NAME, 1603 NFTA_CT_HELPER_L3PROTO, 1604 NFTA_CT_HELPER_L4PROTO, 1605 __NFTA_CT_HELPER_MAX, 1606 }; 1607 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1) 1608 1609 enum nft_ct_timeout_timeout_attributes { 1610 NFTA_CT_TIMEOUT_UNSPEC, 1611 NFTA_CT_TIMEOUT_L3PROTO, 1612 NFTA_CT_TIMEOUT_L4PROTO, 1613 NFTA_CT_TIMEOUT_DATA, 1614 __NFTA_CT_TIMEOUT_MAX, 1615 }; 1616 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1) 1617 1618 enum nft_ct_expectation_attributes { 1619 NFTA_CT_EXPECT_UNSPEC, 1620 NFTA_CT_EXPECT_L3PROTO, 1621 NFTA_CT_EXPECT_L4PROTO, 1622 NFTA_CT_EXPECT_DPORT, 1623 NFTA_CT_EXPECT_TIMEOUT, 1624 NFTA_CT_EXPECT_SIZE, 1625 __NFTA_CT_EXPECT_MAX, 1626 }; 1627 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1) 1628 1629 #define NFT_OBJECT_UNSPEC 0 1630 #define NFT_OBJECT_COUNTER 1 1631 #define NFT_OBJECT_QUOTA 2 1632 #define NFT_OBJECT_CT_HELPER 3 1633 #define NFT_OBJECT_LIMIT 4 1634 #define NFT_OBJECT_CONNLIMIT 5 1635 #define NFT_OBJECT_TUNNEL 6 1636 #define NFT_OBJECT_CT_TIMEOUT 7 1637 #define NFT_OBJECT_SECMARK 8 1638 #define NFT_OBJECT_CT_EXPECT 9 1639 #define NFT_OBJECT_SYNPROXY 10 1640 #define __NFT_OBJECT_MAX 11 1641 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1) 1642 1643 /** 1644 * enum nft_object_attributes - nf_tables stateful object netlink attributes 1645 * 1646 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING) 1647 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING) 1648 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32) 1649 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) 1650 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) 1651 * @NFTA_OBJ_HANDLE: object handle (NLA_U64) 1652 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY) 1653 */ 1654 enum nft_object_attributes { 1655 NFTA_OBJ_UNSPEC, 1656 NFTA_OBJ_TABLE, 1657 NFTA_OBJ_NAME, 1658 NFTA_OBJ_TYPE, 1659 NFTA_OBJ_DATA, 1660 NFTA_OBJ_USE, 1661 NFTA_OBJ_HANDLE, 1662 NFTA_OBJ_PAD, 1663 NFTA_OBJ_USERDATA, 1664 __NFTA_OBJ_MAX 1665 }; 1666 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1) 1667 1668 /** 1669 * enum nft_flowtable_flags - nf_tables flowtable flags 1670 * 1671 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled 1672 * @NFT_FLOWTABLE_COUNTER: enable flow counters 1673 */ 1674 enum nft_flowtable_flags { 1675 NFT_FLOWTABLE_HW_OFFLOAD = 0x1, 1676 NFT_FLOWTABLE_COUNTER = 0x2, 1677 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD | 1678 NFT_FLOWTABLE_COUNTER) 1679 }; 1680 1681 /** 1682 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes 1683 * 1684 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) 1685 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) 1686 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32) 1687 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) 1688 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) 1689 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32) 1690 */ 1691 enum nft_flowtable_attributes { 1692 NFTA_FLOWTABLE_UNSPEC, 1693 NFTA_FLOWTABLE_TABLE, 1694 NFTA_FLOWTABLE_NAME, 1695 NFTA_FLOWTABLE_HOOK, 1696 NFTA_FLOWTABLE_USE, 1697 NFTA_FLOWTABLE_HANDLE, 1698 NFTA_FLOWTABLE_PAD, 1699 NFTA_FLOWTABLE_FLAGS, 1700 __NFTA_FLOWTABLE_MAX 1701 }; 1702 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1) 1703 1704 /** 1705 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes 1706 * 1707 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32) 1708 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 1709 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED) 1710 */ 1711 enum nft_flowtable_hook_attributes { 1712 NFTA_FLOWTABLE_HOOK_UNSPEC, 1713 NFTA_FLOWTABLE_HOOK_NUM, 1714 NFTA_FLOWTABLE_HOOK_PRIORITY, 1715 NFTA_FLOWTABLE_HOOK_DEVS, 1716 __NFTA_FLOWTABLE_HOOK_MAX 1717 }; 1718 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1) 1719 1720 /** 1721 * enum nft_osf_attributes - nftables osf expression netlink attributes 1722 * 1723 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers) 1724 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8) 1725 * @NFTA_OSF_FLAGS: flags (NLA_U32) 1726 */ 1727 enum nft_osf_attributes { 1728 NFTA_OSF_UNSPEC, 1729 NFTA_OSF_DREG, 1730 NFTA_OSF_TTL, 1731 NFTA_OSF_FLAGS, 1732 __NFTA_OSF_MAX, 1733 }; 1734 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1) 1735 1736 enum nft_osf_flags { 1737 NFT_OSF_F_VERSION = (1 << 0), 1738 }; 1739 1740 /** 1741 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes 1742 * 1743 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16) 1744 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8) 1745 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32) 1746 */ 1747 enum nft_synproxy_attributes { 1748 NFTA_SYNPROXY_UNSPEC, 1749 NFTA_SYNPROXY_MSS, 1750 NFTA_SYNPROXY_WSCALE, 1751 NFTA_SYNPROXY_FLAGS, 1752 __NFTA_SYNPROXY_MAX, 1753 }; 1754 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1) 1755 1756 /** 1757 * enum nft_device_attributes - nf_tables device netlink attributes 1758 * 1759 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING) 1760 */ 1761 enum nft_devices_attributes { 1762 NFTA_DEVICE_UNSPEC, 1763 NFTA_DEVICE_NAME, 1764 __NFTA_DEVICE_MAX 1765 }; 1766 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1) 1767 1768 /* 1769 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes 1770 * 1771 * @NFTA_XFRM_DREG: destination register (NLA_U32) 1772 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32) 1773 * @NFTA_XFRM_DIR: direction (NLA_U8) 1774 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32) 1775 */ 1776 enum nft_xfrm_attributes { 1777 NFTA_XFRM_UNSPEC, 1778 NFTA_XFRM_DREG, 1779 NFTA_XFRM_KEY, 1780 NFTA_XFRM_DIR, 1781 NFTA_XFRM_SPNUM, 1782 __NFTA_XFRM_MAX 1783 }; 1784 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1) 1785 1786 enum nft_xfrm_keys { 1787 NFT_XFRM_KEY_UNSPEC, 1788 NFT_XFRM_KEY_DADDR_IP4, 1789 NFT_XFRM_KEY_DADDR_IP6, 1790 NFT_XFRM_KEY_SADDR_IP4, 1791 NFT_XFRM_KEY_SADDR_IP6, 1792 NFT_XFRM_KEY_REQID, 1793 NFT_XFRM_KEY_SPI, 1794 __NFT_XFRM_KEY_MAX, 1795 }; 1796 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1) 1797 1798 /** 1799 * enum nft_trace_attributes - nf_tables trace netlink attributes 1800 * 1801 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) 1802 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) 1803 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) 1804 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) 1805 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) 1806 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) 1807 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) 1808 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) 1809 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) 1810 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) 1811 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) 1812 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) 1813 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) 1814 * @NFTA_TRACE_MARK: nfmark (NLA_U32) 1815 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) 1816 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) 1817 */ 1818 enum nft_trace_attributes { 1819 NFTA_TRACE_UNSPEC, 1820 NFTA_TRACE_TABLE, 1821 NFTA_TRACE_CHAIN, 1822 NFTA_TRACE_RULE_HANDLE, 1823 NFTA_TRACE_TYPE, 1824 NFTA_TRACE_VERDICT, 1825 NFTA_TRACE_ID, 1826 NFTA_TRACE_LL_HEADER, 1827 NFTA_TRACE_NETWORK_HEADER, 1828 NFTA_TRACE_TRANSPORT_HEADER, 1829 NFTA_TRACE_IIF, 1830 NFTA_TRACE_IIFTYPE, 1831 NFTA_TRACE_OIF, 1832 NFTA_TRACE_OIFTYPE, 1833 NFTA_TRACE_MARK, 1834 NFTA_TRACE_NFPROTO, 1835 NFTA_TRACE_POLICY, 1836 NFTA_TRACE_PAD, 1837 __NFTA_TRACE_MAX 1838 }; 1839 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1) 1840 1841 enum nft_trace_types { 1842 NFT_TRACETYPE_UNSPEC, 1843 NFT_TRACETYPE_POLICY, 1844 NFT_TRACETYPE_RETURN, 1845 NFT_TRACETYPE_RULE, 1846 __NFT_TRACETYPE_MAX 1847 }; 1848 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) 1849 1850 /** 1851 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes 1852 * 1853 * @NFTA_NG_DREG: destination register (NLA_U32) 1854 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) 1855 * @NFTA_NG_TYPE: operation type (NLA_U32) 1856 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) 1857 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING) 1858 * @NFTA_NG_SET_ID: id of the map (NLA_U32) 1859 */ 1860 enum nft_ng_attributes { 1861 NFTA_NG_UNSPEC, 1862 NFTA_NG_DREG, 1863 NFTA_NG_MODULUS, 1864 NFTA_NG_TYPE, 1865 NFTA_NG_OFFSET, 1866 NFTA_NG_SET_NAME, /* deprecated */ 1867 NFTA_NG_SET_ID, /* deprecated */ 1868 __NFTA_NG_MAX 1869 }; 1870 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1) 1871 1872 enum nft_ng_types { 1873 NFT_NG_INCREMENTAL, 1874 NFT_NG_RANDOM, 1875 __NFT_NG_MAX 1876 }; 1877 #define NFT_NG_MAX (__NFT_NG_MAX - 1) 1878 1879 enum nft_tunnel_key_ip_attributes { 1880 NFTA_TUNNEL_KEY_IP_UNSPEC, 1881 NFTA_TUNNEL_KEY_IP_SRC, 1882 NFTA_TUNNEL_KEY_IP_DST, 1883 __NFTA_TUNNEL_KEY_IP_MAX 1884 }; 1885 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1) 1886 1887 enum nft_tunnel_ip6_attributes { 1888 NFTA_TUNNEL_KEY_IP6_UNSPEC, 1889 NFTA_TUNNEL_KEY_IP6_SRC, 1890 NFTA_TUNNEL_KEY_IP6_DST, 1891 NFTA_TUNNEL_KEY_IP6_FLOWLABEL, 1892 __NFTA_TUNNEL_KEY_IP6_MAX 1893 }; 1894 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1) 1895 1896 enum nft_tunnel_opts_attributes { 1897 NFTA_TUNNEL_KEY_OPTS_UNSPEC, 1898 NFTA_TUNNEL_KEY_OPTS_VXLAN, 1899 NFTA_TUNNEL_KEY_OPTS_ERSPAN, 1900 NFTA_TUNNEL_KEY_OPTS_GENEVE, 1901 __NFTA_TUNNEL_KEY_OPTS_MAX 1902 }; 1903 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1) 1904 1905 enum nft_tunnel_opts_vxlan_attributes { 1906 NFTA_TUNNEL_KEY_VXLAN_UNSPEC, 1907 NFTA_TUNNEL_KEY_VXLAN_GBP, 1908 __NFTA_TUNNEL_KEY_VXLAN_MAX 1909 }; 1910 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1) 1911 1912 enum nft_tunnel_opts_erspan_attributes { 1913 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC, 1914 NFTA_TUNNEL_KEY_ERSPAN_VERSION, 1915 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX, 1916 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID, 1917 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR, 1918 __NFTA_TUNNEL_KEY_ERSPAN_MAX 1919 }; 1920 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1) 1921 1922 enum nft_tunnel_opts_geneve_attributes { 1923 NFTA_TUNNEL_KEY_GENEVE_UNSPEC, 1924 NFTA_TUNNEL_KEY_GENEVE_CLASS, 1925 NFTA_TUNNEL_KEY_GENEVE_TYPE, 1926 NFTA_TUNNEL_KEY_GENEVE_DATA, 1927 __NFTA_TUNNEL_KEY_GENEVE_MAX 1928 }; 1929 #define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1) 1930 1931 enum nft_tunnel_flags { 1932 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0), 1933 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1), 1934 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2), 1935 }; 1936 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \ 1937 NFT_TUNNEL_F_DONT_FRAGMENT | \ 1938 NFT_TUNNEL_F_SEQ_NUMBER) 1939 1940 enum nft_tunnel_key_attributes { 1941 NFTA_TUNNEL_KEY_UNSPEC, 1942 NFTA_TUNNEL_KEY_ID, 1943 NFTA_TUNNEL_KEY_IP, 1944 NFTA_TUNNEL_KEY_IP6, 1945 NFTA_TUNNEL_KEY_FLAGS, 1946 NFTA_TUNNEL_KEY_TOS, 1947 NFTA_TUNNEL_KEY_TTL, 1948 NFTA_TUNNEL_KEY_SPORT, 1949 NFTA_TUNNEL_KEY_DPORT, 1950 NFTA_TUNNEL_KEY_OPTS, 1951 __NFTA_TUNNEL_KEY_MAX 1952 }; 1953 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1) 1954 1955 enum nft_tunnel_keys { 1956 NFT_TUNNEL_PATH, 1957 NFT_TUNNEL_ID, 1958 __NFT_TUNNEL_MAX 1959 }; 1960 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1) 1961 1962 enum nft_tunnel_mode { 1963 NFT_TUNNEL_MODE_NONE, 1964 NFT_TUNNEL_MODE_RX, 1965 NFT_TUNNEL_MODE_TX, 1966 __NFT_TUNNEL_MODE_MAX 1967 }; 1968 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1) 1969 1970 enum nft_tunnel_attributes { 1971 NFTA_TUNNEL_UNSPEC, 1972 NFTA_TUNNEL_KEY, 1973 NFTA_TUNNEL_DREG, 1974 NFTA_TUNNEL_MODE, 1975 __NFTA_TUNNEL_MAX 1976 }; 1977 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1) 1978 1979 #endif /* _LINUX_NF_TABLES_H */ 1980