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 * @NFT_MSG_GETSETELEM_RESET: get set elements and reset attached stateful expressions (enum nft_set_elem_attributes) 109 */ 110 enum nf_tables_msg_types { 111 NFT_MSG_NEWTABLE, 112 NFT_MSG_GETTABLE, 113 NFT_MSG_DELTABLE, 114 NFT_MSG_NEWCHAIN, 115 NFT_MSG_GETCHAIN, 116 NFT_MSG_DELCHAIN, 117 NFT_MSG_NEWRULE, 118 NFT_MSG_GETRULE, 119 NFT_MSG_DELRULE, 120 NFT_MSG_NEWSET, 121 NFT_MSG_GETSET, 122 NFT_MSG_DELSET, 123 NFT_MSG_NEWSETELEM, 124 NFT_MSG_GETSETELEM, 125 NFT_MSG_DELSETELEM, 126 NFT_MSG_NEWGEN, 127 NFT_MSG_GETGEN, 128 NFT_MSG_TRACE, 129 NFT_MSG_NEWOBJ, 130 NFT_MSG_GETOBJ, 131 NFT_MSG_DELOBJ, 132 NFT_MSG_GETOBJ_RESET, 133 NFT_MSG_NEWFLOWTABLE, 134 NFT_MSG_GETFLOWTABLE, 135 NFT_MSG_DELFLOWTABLE, 136 NFT_MSG_GETRULE_RESET, 137 NFT_MSG_DESTROYTABLE, 138 NFT_MSG_DESTROYCHAIN, 139 NFT_MSG_DESTROYRULE, 140 NFT_MSG_DESTROYSET, 141 NFT_MSG_DESTROYSETELEM, 142 NFT_MSG_DESTROYOBJ, 143 NFT_MSG_DESTROYFLOWTABLE, 144 NFT_MSG_GETSETELEM_RESET, 145 NFT_MSG_MAX, 146 }; 147 148 /** 149 * enum nft_list_attributes - nf_tables generic list netlink attributes 150 * 151 * @NFTA_LIST_ELEM: list element (NLA_NESTED) 152 */ 153 enum nft_list_attributes { 154 NFTA_LIST_UNSPEC, 155 NFTA_LIST_ELEM, 156 __NFTA_LIST_MAX 157 }; 158 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) 159 160 /** 161 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes 162 * 163 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) 164 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 165 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING) 166 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED) 167 */ 168 enum nft_hook_attributes { 169 NFTA_HOOK_UNSPEC, 170 NFTA_HOOK_HOOKNUM, 171 NFTA_HOOK_PRIORITY, 172 NFTA_HOOK_DEV, 173 NFTA_HOOK_DEVS, 174 __NFTA_HOOK_MAX 175 }; 176 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) 177 178 /** 179 * enum nft_table_flags - nf_tables table flags 180 * 181 * @NFT_TABLE_F_DORMANT: this table is not active 182 */ 183 enum nft_table_flags { 184 NFT_TABLE_F_DORMANT = 0x1, 185 NFT_TABLE_F_OWNER = 0x2, 186 }; 187 #define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | \ 188 NFT_TABLE_F_OWNER) 189 190 /** 191 * enum nft_table_attributes - nf_tables table netlink attributes 192 * 193 * @NFTA_TABLE_NAME: name of the table (NLA_STRING) 194 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) 195 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) 196 * @NFTA_TABLE_USERDATA: user data (NLA_BINARY) 197 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32) 198 */ 199 enum nft_table_attributes { 200 NFTA_TABLE_UNSPEC, 201 NFTA_TABLE_NAME, 202 NFTA_TABLE_FLAGS, 203 NFTA_TABLE_USE, 204 NFTA_TABLE_HANDLE, 205 NFTA_TABLE_PAD, 206 NFTA_TABLE_USERDATA, 207 NFTA_TABLE_OWNER, 208 __NFTA_TABLE_MAX 209 }; 210 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) 211 212 enum nft_chain_flags { 213 NFT_CHAIN_BASE = (1 << 0), 214 NFT_CHAIN_HW_OFFLOAD = (1 << 1), 215 NFT_CHAIN_BINDING = (1 << 2), 216 }; 217 #define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \ 218 NFT_CHAIN_HW_OFFLOAD | \ 219 NFT_CHAIN_BINDING) 220 221 /** 222 * enum nft_chain_attributes - nf_tables chain netlink attributes 223 * 224 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) 225 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) 226 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) 227 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) 228 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) 229 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) 230 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) 231 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) 232 * @NFTA_CHAIN_FLAGS: chain flags 233 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32) 234 * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY) 235 */ 236 enum nft_chain_attributes { 237 NFTA_CHAIN_UNSPEC, 238 NFTA_CHAIN_TABLE, 239 NFTA_CHAIN_HANDLE, 240 NFTA_CHAIN_NAME, 241 NFTA_CHAIN_HOOK, 242 NFTA_CHAIN_POLICY, 243 NFTA_CHAIN_USE, 244 NFTA_CHAIN_TYPE, 245 NFTA_CHAIN_COUNTERS, 246 NFTA_CHAIN_PAD, 247 NFTA_CHAIN_FLAGS, 248 NFTA_CHAIN_ID, 249 NFTA_CHAIN_USERDATA, 250 __NFTA_CHAIN_MAX 251 }; 252 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) 253 254 /** 255 * enum nft_rule_attributes - nf_tables rule netlink attributes 256 * 257 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) 258 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) 259 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) 260 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) 261 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) 262 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) 263 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) 264 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32) 265 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32) 266 * @NFTA_RULE_CHAIN_ID: add the rule to chain by ID, alternative to @NFTA_RULE_CHAIN (NLA_U32) 267 */ 268 enum nft_rule_attributes { 269 NFTA_RULE_UNSPEC, 270 NFTA_RULE_TABLE, 271 NFTA_RULE_CHAIN, 272 NFTA_RULE_HANDLE, 273 NFTA_RULE_EXPRESSIONS, 274 NFTA_RULE_COMPAT, 275 NFTA_RULE_POSITION, 276 NFTA_RULE_USERDATA, 277 NFTA_RULE_PAD, 278 NFTA_RULE_ID, 279 NFTA_RULE_POSITION_ID, 280 NFTA_RULE_CHAIN_ID, 281 __NFTA_RULE_MAX 282 }; 283 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) 284 285 /** 286 * enum nft_rule_compat_flags - nf_tables rule compat flags 287 * 288 * @NFT_RULE_COMPAT_F_UNUSED: unused 289 * @NFT_RULE_COMPAT_F_INV: invert the check result 290 */ 291 enum nft_rule_compat_flags { 292 NFT_RULE_COMPAT_F_UNUSED = (1 << 0), 293 NFT_RULE_COMPAT_F_INV = (1 << 1), 294 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, 295 }; 296 297 /** 298 * enum nft_rule_compat_attributes - nf_tables rule compat attributes 299 * 300 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32) 301 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) 302 */ 303 enum nft_rule_compat_attributes { 304 NFTA_RULE_COMPAT_UNSPEC, 305 NFTA_RULE_COMPAT_PROTO, 306 NFTA_RULE_COMPAT_FLAGS, 307 __NFTA_RULE_COMPAT_MAX 308 }; 309 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) 310 311 /** 312 * enum nft_set_flags - nf_tables set flags 313 * 314 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink 315 * @NFT_SET_CONSTANT: set contents may not change while bound 316 * @NFT_SET_INTERVAL: set contains intervals 317 * @NFT_SET_MAP: set is used as a dictionary 318 * @NFT_SET_TIMEOUT: set uses timeouts 319 * @NFT_SET_EVAL: set can be updated from the evaluation path 320 * @NFT_SET_OBJECT: set contains stateful objects 321 * @NFT_SET_CONCAT: set contains a concatenation 322 * @NFT_SET_EXPR: set contains expressions 323 */ 324 enum nft_set_flags { 325 NFT_SET_ANONYMOUS = 0x1, 326 NFT_SET_CONSTANT = 0x2, 327 NFT_SET_INTERVAL = 0x4, 328 NFT_SET_MAP = 0x8, 329 NFT_SET_TIMEOUT = 0x10, 330 NFT_SET_EVAL = 0x20, 331 NFT_SET_OBJECT = 0x40, 332 NFT_SET_CONCAT = 0x80, 333 NFT_SET_EXPR = 0x100, 334 }; 335 336 /** 337 * enum nft_set_policies - set selection policy 338 * 339 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use 340 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance 341 */ 342 enum nft_set_policies { 343 NFT_SET_POL_PERFORMANCE, 344 NFT_SET_POL_MEMORY, 345 }; 346 347 /** 348 * enum nft_set_desc_attributes - set element description 349 * 350 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) 351 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED) 352 */ 353 enum nft_set_desc_attributes { 354 NFTA_SET_DESC_UNSPEC, 355 NFTA_SET_DESC_SIZE, 356 NFTA_SET_DESC_CONCAT, 357 __NFTA_SET_DESC_MAX 358 }; 359 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) 360 361 /** 362 * enum nft_set_field_attributes - attributes of concatenated fields 363 * 364 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32) 365 */ 366 enum nft_set_field_attributes { 367 NFTA_SET_FIELD_UNSPEC, 368 NFTA_SET_FIELD_LEN, 369 __NFTA_SET_FIELD_MAX 370 }; 371 #define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1) 372 373 /** 374 * enum nft_set_attributes - nf_tables set netlink attributes 375 * 376 * @NFTA_SET_TABLE: table name (NLA_STRING) 377 * @NFTA_SET_NAME: set name (NLA_STRING) 378 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) 379 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) 380 * @NFTA_SET_KEY_LEN: key data length (NLA_U32) 381 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) 382 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) 383 * @NFTA_SET_POLICY: selection policy (NLA_U32) 384 * @NFTA_SET_DESC: set description (NLA_NESTED) 385 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 386 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) 387 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) 388 * @NFTA_SET_USERDATA: user data (NLA_BINARY) 389 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*) 390 * @NFTA_SET_HANDLE: set handle (NLA_U64) 391 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes) 392 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 393 */ 394 enum nft_set_attributes { 395 NFTA_SET_UNSPEC, 396 NFTA_SET_TABLE, 397 NFTA_SET_NAME, 398 NFTA_SET_FLAGS, 399 NFTA_SET_KEY_TYPE, 400 NFTA_SET_KEY_LEN, 401 NFTA_SET_DATA_TYPE, 402 NFTA_SET_DATA_LEN, 403 NFTA_SET_POLICY, 404 NFTA_SET_DESC, 405 NFTA_SET_ID, 406 NFTA_SET_TIMEOUT, 407 NFTA_SET_GC_INTERVAL, 408 NFTA_SET_USERDATA, 409 NFTA_SET_PAD, 410 NFTA_SET_OBJ_TYPE, 411 NFTA_SET_HANDLE, 412 NFTA_SET_EXPR, 413 NFTA_SET_EXPRESSIONS, 414 __NFTA_SET_MAX 415 }; 416 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) 417 418 /** 419 * enum nft_set_elem_flags - nf_tables set element flags 420 * 421 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval 422 * @NFT_SET_ELEM_CATCHALL: special catch-all element 423 */ 424 enum nft_set_elem_flags { 425 NFT_SET_ELEM_INTERVAL_END = 0x1, 426 NFT_SET_ELEM_CATCHALL = 0x2, 427 }; 428 429 /** 430 * enum nft_set_elem_attributes - nf_tables set element netlink attributes 431 * 432 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) 433 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) 434 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) 435 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64) 436 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) 437 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) 438 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) 439 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING) 440 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data) 441 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 442 */ 443 enum nft_set_elem_attributes { 444 NFTA_SET_ELEM_UNSPEC, 445 NFTA_SET_ELEM_KEY, 446 NFTA_SET_ELEM_DATA, 447 NFTA_SET_ELEM_FLAGS, 448 NFTA_SET_ELEM_TIMEOUT, 449 NFTA_SET_ELEM_EXPIRATION, 450 NFTA_SET_ELEM_USERDATA, 451 NFTA_SET_ELEM_EXPR, 452 NFTA_SET_ELEM_PAD, 453 NFTA_SET_ELEM_OBJREF, 454 NFTA_SET_ELEM_KEY_END, 455 NFTA_SET_ELEM_EXPRESSIONS, 456 __NFTA_SET_ELEM_MAX 457 }; 458 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) 459 460 /** 461 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes 462 * 463 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) 464 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) 465 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) 466 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 467 */ 468 enum nft_set_elem_list_attributes { 469 NFTA_SET_ELEM_LIST_UNSPEC, 470 NFTA_SET_ELEM_LIST_TABLE, 471 NFTA_SET_ELEM_LIST_SET, 472 NFTA_SET_ELEM_LIST_ELEMENTS, 473 NFTA_SET_ELEM_LIST_SET_ID, 474 __NFTA_SET_ELEM_LIST_MAX 475 }; 476 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) 477 478 /** 479 * enum nft_data_types - nf_tables data types 480 * 481 * @NFT_DATA_VALUE: generic data 482 * @NFT_DATA_VERDICT: netfilter verdict 483 * 484 * The type of data is usually determined by the kernel directly and is not 485 * explicitly specified by userspace. The only difference are sets, where 486 * userspace specifies the key and mapping data types. 487 * 488 * The values 0xffffff00-0xffffffff are reserved for internally used types. 489 * The remaining range can be freely used by userspace to encode types, all 490 * values are equivalent to NFT_DATA_VALUE. 491 */ 492 enum nft_data_types { 493 NFT_DATA_VALUE, 494 NFT_DATA_VERDICT = 0xffffff00U, 495 }; 496 497 #define NFT_DATA_RESERVED_MASK 0xffffff00U 498 499 /** 500 * enum nft_data_attributes - nf_tables data netlink attributes 501 * 502 * @NFTA_DATA_VALUE: generic data (NLA_BINARY) 503 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) 504 */ 505 enum nft_data_attributes { 506 NFTA_DATA_UNSPEC, 507 NFTA_DATA_VALUE, 508 NFTA_DATA_VERDICT, 509 __NFTA_DATA_MAX 510 }; 511 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) 512 513 /* Maximum length of a value */ 514 #define NFT_DATA_VALUE_MAXLEN 64 515 516 /** 517 * enum nft_verdict_attributes - nf_tables verdict netlink attributes 518 * 519 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) 520 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) 521 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32) 522 */ 523 enum nft_verdict_attributes { 524 NFTA_VERDICT_UNSPEC, 525 NFTA_VERDICT_CODE, 526 NFTA_VERDICT_CHAIN, 527 NFTA_VERDICT_CHAIN_ID, 528 __NFTA_VERDICT_MAX 529 }; 530 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) 531 532 /** 533 * enum nft_expr_attributes - nf_tables expression netlink attributes 534 * 535 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) 536 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) 537 */ 538 enum nft_expr_attributes { 539 NFTA_EXPR_UNSPEC, 540 NFTA_EXPR_NAME, 541 NFTA_EXPR_DATA, 542 __NFTA_EXPR_MAX 543 }; 544 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) 545 546 /** 547 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes 548 * 549 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) 550 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) 551 */ 552 enum nft_immediate_attributes { 553 NFTA_IMMEDIATE_UNSPEC, 554 NFTA_IMMEDIATE_DREG, 555 NFTA_IMMEDIATE_DATA, 556 __NFTA_IMMEDIATE_MAX 557 }; 558 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) 559 560 /** 561 * enum nft_bitwise_ops - nf_tables bitwise operations 562 * 563 * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and 564 * XOR boolean operations 565 * @NFT_BITWISE_LSHIFT: left-shift operation 566 * @NFT_BITWISE_RSHIFT: right-shift operation 567 */ 568 enum nft_bitwise_ops { 569 NFT_BITWISE_BOOL, 570 NFT_BITWISE_LSHIFT, 571 NFT_BITWISE_RSHIFT, 572 }; 573 574 /** 575 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes 576 * 577 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) 578 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) 579 * @NFTA_BITWISE_LEN: length of operands (NLA_U32) 580 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) 581 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) 582 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops) 583 * @NFTA_BITWISE_DATA: argument for non-boolean operations 584 * (NLA_NESTED: nft_data_attributes) 585 * 586 * The bitwise expression supports boolean and shift operations. It implements 587 * the boolean operations by performing the following operation: 588 * 589 * dreg = (sreg & mask) ^ xor 590 * 591 * with these mask and xor values: 592 * 593 * mask xor 594 * NOT: 1 1 595 * OR: ~x x 596 * XOR: 1 x 597 * AND: x 0 598 */ 599 enum nft_bitwise_attributes { 600 NFTA_BITWISE_UNSPEC, 601 NFTA_BITWISE_SREG, 602 NFTA_BITWISE_DREG, 603 NFTA_BITWISE_LEN, 604 NFTA_BITWISE_MASK, 605 NFTA_BITWISE_XOR, 606 NFTA_BITWISE_OP, 607 NFTA_BITWISE_DATA, 608 __NFTA_BITWISE_MAX 609 }; 610 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) 611 612 /** 613 * enum nft_byteorder_ops - nf_tables byteorder operators 614 * 615 * @NFT_BYTEORDER_NTOH: network to host operator 616 * @NFT_BYTEORDER_HTON: host to network operator 617 */ 618 enum nft_byteorder_ops { 619 NFT_BYTEORDER_NTOH, 620 NFT_BYTEORDER_HTON, 621 }; 622 623 /** 624 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes 625 * 626 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) 627 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) 628 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) 629 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) 630 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) 631 */ 632 enum nft_byteorder_attributes { 633 NFTA_BYTEORDER_UNSPEC, 634 NFTA_BYTEORDER_SREG, 635 NFTA_BYTEORDER_DREG, 636 NFTA_BYTEORDER_OP, 637 NFTA_BYTEORDER_LEN, 638 NFTA_BYTEORDER_SIZE, 639 __NFTA_BYTEORDER_MAX 640 }; 641 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) 642 643 /** 644 * enum nft_cmp_ops - nf_tables relational operator 645 * 646 * @NFT_CMP_EQ: equal 647 * @NFT_CMP_NEQ: not equal 648 * @NFT_CMP_LT: less than 649 * @NFT_CMP_LTE: less than or equal to 650 * @NFT_CMP_GT: greater than 651 * @NFT_CMP_GTE: greater than or equal to 652 */ 653 enum nft_cmp_ops { 654 NFT_CMP_EQ, 655 NFT_CMP_NEQ, 656 NFT_CMP_LT, 657 NFT_CMP_LTE, 658 NFT_CMP_GT, 659 NFT_CMP_GTE, 660 }; 661 662 /** 663 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes 664 * 665 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) 666 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) 667 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) 668 */ 669 enum nft_cmp_attributes { 670 NFTA_CMP_UNSPEC, 671 NFTA_CMP_SREG, 672 NFTA_CMP_OP, 673 NFTA_CMP_DATA, 674 __NFTA_CMP_MAX 675 }; 676 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) 677 678 /** 679 * enum nft_range_ops - nf_tables range operator 680 * 681 * @NFT_RANGE_EQ: equal 682 * @NFT_RANGE_NEQ: not equal 683 */ 684 enum nft_range_ops { 685 NFT_RANGE_EQ, 686 NFT_RANGE_NEQ, 687 }; 688 689 /** 690 * enum nft_range_attributes - nf_tables range expression netlink attributes 691 * 692 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) 693 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops) 694 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) 695 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) 696 */ 697 enum nft_range_attributes { 698 NFTA_RANGE_UNSPEC, 699 NFTA_RANGE_SREG, 700 NFTA_RANGE_OP, 701 NFTA_RANGE_FROM_DATA, 702 NFTA_RANGE_TO_DATA, 703 __NFTA_RANGE_MAX 704 }; 705 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1) 706 707 enum nft_lookup_flags { 708 NFT_LOOKUP_F_INV = (1 << 0), 709 }; 710 711 /** 712 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes 713 * 714 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) 715 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) 716 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) 717 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 718 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) 719 */ 720 enum nft_lookup_attributes { 721 NFTA_LOOKUP_UNSPEC, 722 NFTA_LOOKUP_SET, 723 NFTA_LOOKUP_SREG, 724 NFTA_LOOKUP_DREG, 725 NFTA_LOOKUP_SET_ID, 726 NFTA_LOOKUP_FLAGS, 727 __NFTA_LOOKUP_MAX 728 }; 729 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) 730 731 enum nft_dynset_ops { 732 NFT_DYNSET_OP_ADD, 733 NFT_DYNSET_OP_UPDATE, 734 NFT_DYNSET_OP_DELETE, 735 }; 736 737 enum nft_dynset_flags { 738 NFT_DYNSET_F_INV = (1 << 0), 739 NFT_DYNSET_F_EXPR = (1 << 1), 740 }; 741 742 /** 743 * enum nft_dynset_attributes - dynset expression attributes 744 * 745 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) 746 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) 747 * @NFTA_DYNSET_OP: operation (NLA_U32) 748 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) 749 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) 750 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) 751 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) 752 * @NFTA_DYNSET_FLAGS: flags (NLA_U32) 753 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 754 */ 755 enum nft_dynset_attributes { 756 NFTA_DYNSET_UNSPEC, 757 NFTA_DYNSET_SET_NAME, 758 NFTA_DYNSET_SET_ID, 759 NFTA_DYNSET_OP, 760 NFTA_DYNSET_SREG_KEY, 761 NFTA_DYNSET_SREG_DATA, 762 NFTA_DYNSET_TIMEOUT, 763 NFTA_DYNSET_EXPR, 764 NFTA_DYNSET_PAD, 765 NFTA_DYNSET_FLAGS, 766 NFTA_DYNSET_EXPRESSIONS, 767 __NFTA_DYNSET_MAX, 768 }; 769 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) 770 771 /** 772 * enum nft_payload_bases - nf_tables payload expression offset bases 773 * 774 * @NFT_PAYLOAD_LL_HEADER: link layer header 775 * @NFT_PAYLOAD_NETWORK_HEADER: network header 776 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header 777 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload 778 */ 779 enum nft_payload_bases { 780 NFT_PAYLOAD_LL_HEADER, 781 NFT_PAYLOAD_NETWORK_HEADER, 782 NFT_PAYLOAD_TRANSPORT_HEADER, 783 NFT_PAYLOAD_INNER_HEADER, 784 NFT_PAYLOAD_TUN_HEADER, 785 }; 786 787 /** 788 * enum nft_payload_csum_types - nf_tables payload expression checksum types 789 * 790 * @NFT_PAYLOAD_CSUM_NONE: no checksumming 791 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) 792 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309) 793 */ 794 enum nft_payload_csum_types { 795 NFT_PAYLOAD_CSUM_NONE, 796 NFT_PAYLOAD_CSUM_INET, 797 NFT_PAYLOAD_CSUM_SCTP, 798 }; 799 800 enum nft_payload_csum_flags { 801 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0), 802 }; 803 804 enum nft_inner_type { 805 NFT_INNER_UNSPEC = 0, 806 NFT_INNER_VXLAN, 807 NFT_INNER_GENEVE, 808 }; 809 810 enum nft_inner_flags { 811 NFT_INNER_HDRSIZE = (1 << 0), 812 NFT_INNER_LL = (1 << 1), 813 NFT_INNER_NH = (1 << 2), 814 NFT_INNER_TH = (1 << 3), 815 }; 816 #define NFT_INNER_MASK (NFT_INNER_HDRSIZE | NFT_INNER_LL | \ 817 NFT_INNER_NH | NFT_INNER_TH) 818 819 enum nft_inner_attributes { 820 NFTA_INNER_UNSPEC, 821 NFTA_INNER_NUM, 822 NFTA_INNER_TYPE, 823 NFTA_INNER_FLAGS, 824 NFTA_INNER_HDRSIZE, 825 NFTA_INNER_EXPR, 826 __NFTA_INNER_MAX 827 }; 828 #define NFTA_INNER_MAX (__NFTA_INNER_MAX - 1) 829 830 /** 831 * enum nft_payload_attributes - nf_tables payload expression netlink attributes 832 * 833 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) 834 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) 835 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) 836 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) 837 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) 838 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) 839 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) 840 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32) 841 */ 842 enum nft_payload_attributes { 843 NFTA_PAYLOAD_UNSPEC, 844 NFTA_PAYLOAD_DREG, 845 NFTA_PAYLOAD_BASE, 846 NFTA_PAYLOAD_OFFSET, 847 NFTA_PAYLOAD_LEN, 848 NFTA_PAYLOAD_SREG, 849 NFTA_PAYLOAD_CSUM_TYPE, 850 NFTA_PAYLOAD_CSUM_OFFSET, 851 NFTA_PAYLOAD_CSUM_FLAGS, 852 __NFTA_PAYLOAD_MAX 853 }; 854 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) 855 856 enum nft_exthdr_flags { 857 NFT_EXTHDR_F_PRESENT = (1 << 0), 858 }; 859 860 /** 861 * enum nft_exthdr_op - nf_tables match options 862 * 863 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers 864 * @NFT_EXTHDR_OP_TCP: match against tcp options 865 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options 866 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks 867 * @NFT_EXTHDR_OP_DCCP: match against dccp otions 868 */ 869 enum nft_exthdr_op { 870 NFT_EXTHDR_OP_IPV6, 871 NFT_EXTHDR_OP_TCPOPT, 872 NFT_EXTHDR_OP_IPV4, 873 NFT_EXTHDR_OP_SCTP, 874 NFT_EXTHDR_OP_DCCP, 875 __NFT_EXTHDR_OP_MAX 876 }; 877 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1) 878 879 /** 880 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes 881 * 882 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) 883 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) 884 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) 885 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) 886 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32) 887 * @NFTA_EXTHDR_OP: option match type (NLA_U32) 888 * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers) 889 */ 890 enum nft_exthdr_attributes { 891 NFTA_EXTHDR_UNSPEC, 892 NFTA_EXTHDR_DREG, 893 NFTA_EXTHDR_TYPE, 894 NFTA_EXTHDR_OFFSET, 895 NFTA_EXTHDR_LEN, 896 NFTA_EXTHDR_FLAGS, 897 NFTA_EXTHDR_OP, 898 NFTA_EXTHDR_SREG, 899 __NFTA_EXTHDR_MAX 900 }; 901 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) 902 903 /** 904 * enum nft_meta_keys - nf_tables meta expression keys 905 * 906 * @NFT_META_LEN: packet length (skb->len) 907 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT 908 * @NFT_META_PRIORITY: packet priority (skb->priority) 909 * @NFT_META_MARK: packet mark (skb->mark) 910 * @NFT_META_IIF: packet input interface index (dev->ifindex) 911 * @NFT_META_OIF: packet output interface index (dev->ifindex) 912 * @NFT_META_IIFNAME: packet input interface name (dev->name) 913 * @NFT_META_OIFNAME: packet output interface name (dev->name) 914 * @NFT_META_IIFTYPE: packet input interface type (dev->type) 915 * @NFT_META_OIFTYPE: packet output interface type (dev->type) 916 * @NFT_META_SKUID: originating socket UID (fsuid) 917 * @NFT_META_SKGID: originating socket GID (fsgid) 918 * @NFT_META_NFTRACE: packet nftrace bit 919 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) 920 * @NFT_META_SECMARK: packet secmark (skb->secmark) 921 * @NFT_META_NFPROTO: netfilter protocol 922 * @NFT_META_L4PROTO: layer 4 protocol number 923 * @NFT_META_BRI_IIFNAME: packet input bridge interface name 924 * @NFT_META_BRI_OIFNAME: packet output bridge interface name 925 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback 926 * @NFT_META_CPU: cpu id through smp_processor_id() 927 * @NFT_META_IIFGROUP: packet input interface group 928 * @NFT_META_OIFGROUP: packet output interface group 929 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) 930 * @NFT_META_PRANDOM: a 32bit pseudo-random number 931 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp) 932 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind) 933 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind) 934 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid 935 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto 936 * @NFT_META_TIME_NS: time since epoch (in nanoseconds) 937 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday) 938 * @NFT_META_TIME_HOUR: hour of day (in seconds) 939 * @NFT_META_SDIF: slave device interface index 940 * @NFT_META_SDIFNAME: slave device interface name 941 * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit 942 */ 943 enum nft_meta_keys { 944 NFT_META_LEN, 945 NFT_META_PROTOCOL, 946 NFT_META_PRIORITY, 947 NFT_META_MARK, 948 NFT_META_IIF, 949 NFT_META_OIF, 950 NFT_META_IIFNAME, 951 NFT_META_OIFNAME, 952 NFT_META_IFTYPE, 953 #define NFT_META_IIFTYPE NFT_META_IFTYPE 954 NFT_META_OIFTYPE, 955 NFT_META_SKUID, 956 NFT_META_SKGID, 957 NFT_META_NFTRACE, 958 NFT_META_RTCLASSID, 959 NFT_META_SECMARK, 960 NFT_META_NFPROTO, 961 NFT_META_L4PROTO, 962 NFT_META_BRI_IIFNAME, 963 NFT_META_BRI_OIFNAME, 964 NFT_META_PKTTYPE, 965 NFT_META_CPU, 966 NFT_META_IIFGROUP, 967 NFT_META_OIFGROUP, 968 NFT_META_CGROUP, 969 NFT_META_PRANDOM, 970 NFT_META_SECPATH, 971 NFT_META_IIFKIND, 972 NFT_META_OIFKIND, 973 NFT_META_BRI_IIFPVID, 974 NFT_META_BRI_IIFVPROTO, 975 NFT_META_TIME_NS, 976 NFT_META_TIME_DAY, 977 NFT_META_TIME_HOUR, 978 NFT_META_SDIF, 979 NFT_META_SDIFNAME, 980 NFT_META_BRI_BROUTE, 981 __NFT_META_IIFTYPE, 982 }; 983 984 /** 985 * enum nft_rt_keys - nf_tables routing expression keys 986 * 987 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid) 988 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4 989 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6 990 * @NFT_RT_TCPMSS: fetch current path tcp mss 991 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL 992 */ 993 enum nft_rt_keys { 994 NFT_RT_CLASSID, 995 NFT_RT_NEXTHOP4, 996 NFT_RT_NEXTHOP6, 997 NFT_RT_TCPMSS, 998 NFT_RT_XFRM, 999 __NFT_RT_MAX 1000 }; 1001 #define NFT_RT_MAX (__NFT_RT_MAX - 1) 1002 1003 /** 1004 * enum nft_hash_types - nf_tables hash expression types 1005 * 1006 * @NFT_HASH_JENKINS: Jenkins Hash 1007 * @NFT_HASH_SYM: Symmetric Hash 1008 */ 1009 enum nft_hash_types { 1010 NFT_HASH_JENKINS, 1011 NFT_HASH_SYM, 1012 }; 1013 1014 /** 1015 * enum nft_hash_attributes - nf_tables hash expression netlink attributes 1016 * 1017 * @NFTA_HASH_SREG: source register (NLA_U32) 1018 * @NFTA_HASH_DREG: destination register (NLA_U32) 1019 * @NFTA_HASH_LEN: source data length (NLA_U32) 1020 * @NFTA_HASH_MODULUS: modulus value (NLA_U32) 1021 * @NFTA_HASH_SEED: seed value (NLA_U32) 1022 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) 1023 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types) 1024 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING) 1025 * @NFTA_HASH_SET_ID: id of the map (NLA_U32) 1026 */ 1027 enum nft_hash_attributes { 1028 NFTA_HASH_UNSPEC, 1029 NFTA_HASH_SREG, 1030 NFTA_HASH_DREG, 1031 NFTA_HASH_LEN, 1032 NFTA_HASH_MODULUS, 1033 NFTA_HASH_SEED, 1034 NFTA_HASH_OFFSET, 1035 NFTA_HASH_TYPE, 1036 NFTA_HASH_SET_NAME, /* deprecated */ 1037 NFTA_HASH_SET_ID, /* deprecated */ 1038 __NFTA_HASH_MAX, 1039 }; 1040 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1) 1041 1042 /** 1043 * enum nft_meta_attributes - nf_tables meta expression netlink attributes 1044 * 1045 * @NFTA_META_DREG: destination register (NLA_U32) 1046 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) 1047 * @NFTA_META_SREG: source register (NLA_U32) 1048 */ 1049 enum nft_meta_attributes { 1050 NFTA_META_UNSPEC, 1051 NFTA_META_DREG, 1052 NFTA_META_KEY, 1053 NFTA_META_SREG, 1054 __NFTA_META_MAX 1055 }; 1056 #define NFTA_META_MAX (__NFTA_META_MAX - 1) 1057 1058 /** 1059 * enum nft_rt_attributes - nf_tables routing expression netlink attributes 1060 * 1061 * @NFTA_RT_DREG: destination register (NLA_U32) 1062 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys) 1063 */ 1064 enum nft_rt_attributes { 1065 NFTA_RT_UNSPEC, 1066 NFTA_RT_DREG, 1067 NFTA_RT_KEY, 1068 __NFTA_RT_MAX 1069 }; 1070 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1) 1071 1072 /** 1073 * enum nft_socket_attributes - nf_tables socket expression netlink attributes 1074 * 1075 * @NFTA_SOCKET_KEY: socket key to match 1076 * @NFTA_SOCKET_DREG: destination register 1077 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2) 1078 */ 1079 enum nft_socket_attributes { 1080 NFTA_SOCKET_UNSPEC, 1081 NFTA_SOCKET_KEY, 1082 NFTA_SOCKET_DREG, 1083 NFTA_SOCKET_LEVEL, 1084 __NFTA_SOCKET_MAX 1085 }; 1086 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1) 1087 1088 /* 1089 * enum nft_socket_keys - nf_tables socket expression keys 1090 * 1091 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option 1092 * @NFT_SOCKET_MARK: Value of the socket mark 1093 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0) 1094 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2 1095 */ 1096 enum nft_socket_keys { 1097 NFT_SOCKET_TRANSPARENT, 1098 NFT_SOCKET_MARK, 1099 NFT_SOCKET_WILDCARD, 1100 NFT_SOCKET_CGROUPV2, 1101 __NFT_SOCKET_MAX 1102 }; 1103 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1) 1104 1105 /** 1106 * enum nft_ct_keys - nf_tables ct expression keys 1107 * 1108 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) 1109 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) 1110 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) 1111 * @NFT_CT_MARK: conntrack mark value 1112 * @NFT_CT_SECMARK: conntrack secmark value 1113 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms 1114 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack 1115 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol 1116 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated) 1117 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated) 1118 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol 1119 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source 1120 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination 1121 * @NFT_CT_LABELS: conntrack labels 1122 * @NFT_CT_PKTS: conntrack packets 1123 * @NFT_CT_BYTES: conntrack bytes 1124 * @NFT_CT_AVGPKT: conntrack average bytes per packet 1125 * @NFT_CT_ZONE: conntrack zone 1126 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack 1127 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address) 1128 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address) 1129 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address) 1130 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address) 1131 * @NFT_CT_ID: conntrack id 1132 */ 1133 enum nft_ct_keys { 1134 NFT_CT_STATE, 1135 NFT_CT_DIRECTION, 1136 NFT_CT_STATUS, 1137 NFT_CT_MARK, 1138 NFT_CT_SECMARK, 1139 NFT_CT_EXPIRATION, 1140 NFT_CT_HELPER, 1141 NFT_CT_L3PROTOCOL, 1142 NFT_CT_SRC, 1143 NFT_CT_DST, 1144 NFT_CT_PROTOCOL, 1145 NFT_CT_PROTO_SRC, 1146 NFT_CT_PROTO_DST, 1147 NFT_CT_LABELS, 1148 NFT_CT_PKTS, 1149 NFT_CT_BYTES, 1150 NFT_CT_AVGPKT, 1151 NFT_CT_ZONE, 1152 NFT_CT_EVENTMASK, 1153 NFT_CT_SRC_IP, 1154 NFT_CT_DST_IP, 1155 NFT_CT_SRC_IP6, 1156 NFT_CT_DST_IP6, 1157 NFT_CT_ID, 1158 __NFT_CT_MAX 1159 }; 1160 #define NFT_CT_MAX (__NFT_CT_MAX - 1) 1161 1162 /** 1163 * enum nft_ct_attributes - nf_tables ct expression netlink attributes 1164 * 1165 * @NFTA_CT_DREG: destination register (NLA_U32) 1166 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) 1167 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) 1168 * @NFTA_CT_SREG: source register (NLA_U32) 1169 */ 1170 enum nft_ct_attributes { 1171 NFTA_CT_UNSPEC, 1172 NFTA_CT_DREG, 1173 NFTA_CT_KEY, 1174 NFTA_CT_DIRECTION, 1175 NFTA_CT_SREG, 1176 __NFTA_CT_MAX 1177 }; 1178 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) 1179 1180 /** 1181 * enum nft_flow_attributes - ct offload expression attributes 1182 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING) 1183 */ 1184 enum nft_offload_attributes { 1185 NFTA_FLOW_UNSPEC, 1186 NFTA_FLOW_TABLE_NAME, 1187 __NFTA_FLOW_MAX, 1188 }; 1189 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1) 1190 1191 enum nft_limit_type { 1192 NFT_LIMIT_PKTS, 1193 NFT_LIMIT_PKT_BYTES 1194 }; 1195 1196 enum nft_limit_flags { 1197 NFT_LIMIT_F_INV = (1 << 0), 1198 }; 1199 1200 /** 1201 * enum nft_limit_attributes - nf_tables limit expression netlink attributes 1202 * 1203 * @NFTA_LIMIT_RATE: refill rate (NLA_U64) 1204 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) 1205 * @NFTA_LIMIT_BURST: burst (NLA_U32) 1206 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) 1207 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) 1208 */ 1209 enum nft_limit_attributes { 1210 NFTA_LIMIT_UNSPEC, 1211 NFTA_LIMIT_RATE, 1212 NFTA_LIMIT_UNIT, 1213 NFTA_LIMIT_BURST, 1214 NFTA_LIMIT_TYPE, 1215 NFTA_LIMIT_FLAGS, 1216 NFTA_LIMIT_PAD, 1217 __NFTA_LIMIT_MAX 1218 }; 1219 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) 1220 1221 enum nft_connlimit_flags { 1222 NFT_CONNLIMIT_F_INV = (1 << 0), 1223 }; 1224 1225 /** 1226 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes 1227 * 1228 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32) 1229 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags) 1230 */ 1231 enum nft_connlimit_attributes { 1232 NFTA_CONNLIMIT_UNSPEC, 1233 NFTA_CONNLIMIT_COUNT, 1234 NFTA_CONNLIMIT_FLAGS, 1235 __NFTA_CONNLIMIT_MAX 1236 }; 1237 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1) 1238 1239 /** 1240 * enum nft_counter_attributes - nf_tables counter expression netlink attributes 1241 * 1242 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) 1243 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) 1244 */ 1245 enum nft_counter_attributes { 1246 NFTA_COUNTER_UNSPEC, 1247 NFTA_COUNTER_BYTES, 1248 NFTA_COUNTER_PACKETS, 1249 NFTA_COUNTER_PAD, 1250 __NFTA_COUNTER_MAX 1251 }; 1252 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) 1253 1254 /** 1255 * enum nft_last_attributes - nf_tables last expression netlink attributes 1256 * 1257 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32) 1258 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64) 1259 */ 1260 enum nft_last_attributes { 1261 NFTA_LAST_UNSPEC, 1262 NFTA_LAST_SET, 1263 NFTA_LAST_MSECS, 1264 NFTA_LAST_PAD, 1265 __NFTA_LAST_MAX 1266 }; 1267 #define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1) 1268 1269 /** 1270 * enum nft_log_attributes - nf_tables log expression netlink attributes 1271 * 1272 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16) 1273 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) 1274 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) 1275 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16) 1276 * @NFTA_LOG_LEVEL: log level (NLA_U32) 1277 * @NFTA_LOG_FLAGS: logging flags (NLA_U32) 1278 */ 1279 enum nft_log_attributes { 1280 NFTA_LOG_UNSPEC, 1281 NFTA_LOG_GROUP, 1282 NFTA_LOG_PREFIX, 1283 NFTA_LOG_SNAPLEN, 1284 NFTA_LOG_QTHRESHOLD, 1285 NFTA_LOG_LEVEL, 1286 NFTA_LOG_FLAGS, 1287 __NFTA_LOG_MAX 1288 }; 1289 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) 1290 1291 /** 1292 * enum nft_log_level - nf_tables log levels 1293 * 1294 * @NFT_LOGLEVEL_EMERG: system is unusable 1295 * @NFT_LOGLEVEL_ALERT: action must be taken immediately 1296 * @NFT_LOGLEVEL_CRIT: critical conditions 1297 * @NFT_LOGLEVEL_ERR: error conditions 1298 * @NFT_LOGLEVEL_WARNING: warning conditions 1299 * @NFT_LOGLEVEL_NOTICE: normal but significant condition 1300 * @NFT_LOGLEVEL_INFO: informational 1301 * @NFT_LOGLEVEL_DEBUG: debug-level messages 1302 * @NFT_LOGLEVEL_AUDIT: enabling audit logging 1303 */ 1304 enum nft_log_level { 1305 NFT_LOGLEVEL_EMERG, 1306 NFT_LOGLEVEL_ALERT, 1307 NFT_LOGLEVEL_CRIT, 1308 NFT_LOGLEVEL_ERR, 1309 NFT_LOGLEVEL_WARNING, 1310 NFT_LOGLEVEL_NOTICE, 1311 NFT_LOGLEVEL_INFO, 1312 NFT_LOGLEVEL_DEBUG, 1313 NFT_LOGLEVEL_AUDIT, 1314 __NFT_LOGLEVEL_MAX 1315 }; 1316 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1) 1317 1318 /** 1319 * enum nft_queue_attributes - nf_tables queue expression netlink attributes 1320 * 1321 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) 1322 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) 1323 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) 1324 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) 1325 */ 1326 enum nft_queue_attributes { 1327 NFTA_QUEUE_UNSPEC, 1328 NFTA_QUEUE_NUM, 1329 NFTA_QUEUE_TOTAL, 1330 NFTA_QUEUE_FLAGS, 1331 NFTA_QUEUE_SREG_QNUM, 1332 __NFTA_QUEUE_MAX 1333 }; 1334 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) 1335 1336 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ 1337 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ 1338 #define NFT_QUEUE_FLAG_MASK 0x03 1339 1340 enum nft_quota_flags { 1341 NFT_QUOTA_F_INV = (1 << 0), 1342 NFT_QUOTA_F_DEPLETED = (1 << 1), 1343 }; 1344 1345 /** 1346 * enum nft_quota_attributes - nf_tables quota expression netlink attributes 1347 * 1348 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) 1349 * @NFTA_QUOTA_FLAGS: flags (NLA_U32) 1350 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64) 1351 */ 1352 enum nft_quota_attributes { 1353 NFTA_QUOTA_UNSPEC, 1354 NFTA_QUOTA_BYTES, 1355 NFTA_QUOTA_FLAGS, 1356 NFTA_QUOTA_PAD, 1357 NFTA_QUOTA_CONSUMED, 1358 __NFTA_QUOTA_MAX 1359 }; 1360 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1) 1361 1362 /** 1363 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes 1364 * 1365 * @NFTA_SECMARK_CTX: security context (NLA_STRING) 1366 */ 1367 enum nft_secmark_attributes { 1368 NFTA_SECMARK_UNSPEC, 1369 NFTA_SECMARK_CTX, 1370 __NFTA_SECMARK_MAX, 1371 }; 1372 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) 1373 1374 /* Max security context length */ 1375 #define NFT_SECMARK_CTX_MAXLEN 4096 1376 1377 /** 1378 * enum nft_reject_types - nf_tables reject expression reject types 1379 * 1380 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable 1381 * @NFT_REJECT_TCP_RST: reject using TCP RST 1382 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet 1383 */ 1384 enum nft_reject_types { 1385 NFT_REJECT_ICMP_UNREACH, 1386 NFT_REJECT_TCP_RST, 1387 NFT_REJECT_ICMPX_UNREACH, 1388 }; 1389 1390 /** 1391 * enum nft_reject_code - Generic reject codes for IPv4/IPv6 1392 * 1393 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable 1394 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable 1395 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable 1396 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited 1397 * 1398 * These codes are mapped to real ICMP and ICMPv6 codes. 1399 */ 1400 enum nft_reject_inet_code { 1401 NFT_REJECT_ICMPX_NO_ROUTE = 0, 1402 NFT_REJECT_ICMPX_PORT_UNREACH, 1403 NFT_REJECT_ICMPX_HOST_UNREACH, 1404 NFT_REJECT_ICMPX_ADMIN_PROHIBITED, 1405 __NFT_REJECT_ICMPX_MAX 1406 }; 1407 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) 1408 1409 /** 1410 * enum nft_reject_attributes - nf_tables reject expression netlink attributes 1411 * 1412 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) 1413 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) 1414 */ 1415 enum nft_reject_attributes { 1416 NFTA_REJECT_UNSPEC, 1417 NFTA_REJECT_TYPE, 1418 NFTA_REJECT_ICMP_CODE, 1419 __NFTA_REJECT_MAX 1420 }; 1421 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) 1422 1423 /** 1424 * enum nft_nat_types - nf_tables nat expression NAT types 1425 * 1426 * @NFT_NAT_SNAT: source NAT 1427 * @NFT_NAT_DNAT: destination NAT 1428 */ 1429 enum nft_nat_types { 1430 NFT_NAT_SNAT, 1431 NFT_NAT_DNAT, 1432 }; 1433 1434 /** 1435 * enum nft_nat_attributes - nf_tables nat expression netlink attributes 1436 * 1437 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) 1438 * @NFTA_NAT_FAMILY: NAT family (NLA_U32) 1439 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) 1440 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) 1441 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1442 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1443 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1444 */ 1445 enum nft_nat_attributes { 1446 NFTA_NAT_UNSPEC, 1447 NFTA_NAT_TYPE, 1448 NFTA_NAT_FAMILY, 1449 NFTA_NAT_REG_ADDR_MIN, 1450 NFTA_NAT_REG_ADDR_MAX, 1451 NFTA_NAT_REG_PROTO_MIN, 1452 NFTA_NAT_REG_PROTO_MAX, 1453 NFTA_NAT_FLAGS, 1454 __NFTA_NAT_MAX 1455 }; 1456 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) 1457 1458 /** 1459 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes 1460 * 1461 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers) 1462 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers) 1463 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers) 1464 */ 1465 enum nft_tproxy_attributes { 1466 NFTA_TPROXY_UNSPEC, 1467 NFTA_TPROXY_FAMILY, 1468 NFTA_TPROXY_REG_ADDR, 1469 NFTA_TPROXY_REG_PORT, 1470 __NFTA_TPROXY_MAX 1471 }; 1472 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1) 1473 1474 /** 1475 * enum nft_masq_attributes - nf_tables masquerade expression attributes 1476 * 1477 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1478 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1479 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1480 */ 1481 enum nft_masq_attributes { 1482 NFTA_MASQ_UNSPEC, 1483 NFTA_MASQ_FLAGS, 1484 NFTA_MASQ_REG_PROTO_MIN, 1485 NFTA_MASQ_REG_PROTO_MAX, 1486 __NFTA_MASQ_MAX 1487 }; 1488 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) 1489 1490 /** 1491 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes 1492 * 1493 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1494 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1495 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1496 */ 1497 enum nft_redir_attributes { 1498 NFTA_REDIR_UNSPEC, 1499 NFTA_REDIR_REG_PROTO_MIN, 1500 NFTA_REDIR_REG_PROTO_MAX, 1501 NFTA_REDIR_FLAGS, 1502 __NFTA_REDIR_MAX 1503 }; 1504 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) 1505 1506 /** 1507 * enum nft_dup_attributes - nf_tables dup expression netlink attributes 1508 * 1509 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) 1510 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1511 */ 1512 enum nft_dup_attributes { 1513 NFTA_DUP_UNSPEC, 1514 NFTA_DUP_SREG_ADDR, 1515 NFTA_DUP_SREG_DEV, 1516 __NFTA_DUP_MAX 1517 }; 1518 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) 1519 1520 /** 1521 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes 1522 * 1523 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1524 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register) 1525 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto) 1526 */ 1527 enum nft_fwd_attributes { 1528 NFTA_FWD_UNSPEC, 1529 NFTA_FWD_SREG_DEV, 1530 NFTA_FWD_SREG_ADDR, 1531 NFTA_FWD_NFPROTO, 1532 __NFTA_FWD_MAX 1533 }; 1534 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1) 1535 1536 /** 1537 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes 1538 * 1539 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register) 1540 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING) 1541 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers) 1542 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING) 1543 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32) 1544 */ 1545 enum nft_objref_attributes { 1546 NFTA_OBJREF_UNSPEC, 1547 NFTA_OBJREF_IMM_TYPE, 1548 NFTA_OBJREF_IMM_NAME, 1549 NFTA_OBJREF_SET_SREG, 1550 NFTA_OBJREF_SET_NAME, 1551 NFTA_OBJREF_SET_ID, 1552 __NFTA_OBJREF_MAX 1553 }; 1554 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1) 1555 1556 /** 1557 * enum nft_gen_attributes - nf_tables ruleset generation attributes 1558 * 1559 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) 1560 */ 1561 enum nft_gen_attributes { 1562 NFTA_GEN_UNSPEC, 1563 NFTA_GEN_ID, 1564 NFTA_GEN_PROC_PID, 1565 NFTA_GEN_PROC_NAME, 1566 __NFTA_GEN_MAX 1567 }; 1568 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) 1569 1570 /* 1571 * enum nft_fib_attributes - nf_tables fib expression netlink attributes 1572 * 1573 * @NFTA_FIB_DREG: destination register (NLA_U32) 1574 * @NFTA_FIB_RESULT: desired result (NLA_U32) 1575 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) 1576 * 1577 * The FIB expression performs a route lookup according 1578 * to the packet data. 1579 */ 1580 enum nft_fib_attributes { 1581 NFTA_FIB_UNSPEC, 1582 NFTA_FIB_DREG, 1583 NFTA_FIB_RESULT, 1584 NFTA_FIB_FLAGS, 1585 __NFTA_FIB_MAX 1586 }; 1587 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1) 1588 1589 enum nft_fib_result { 1590 NFT_FIB_RESULT_UNSPEC, 1591 NFT_FIB_RESULT_OIF, 1592 NFT_FIB_RESULT_OIFNAME, 1593 NFT_FIB_RESULT_ADDRTYPE, 1594 __NFT_FIB_RESULT_MAX 1595 }; 1596 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1) 1597 1598 enum nft_fib_flags { 1599 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */ 1600 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */ 1601 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */ 1602 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */ 1603 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */ 1604 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */ 1605 }; 1606 1607 enum nft_ct_helper_attributes { 1608 NFTA_CT_HELPER_UNSPEC, 1609 NFTA_CT_HELPER_NAME, 1610 NFTA_CT_HELPER_L3PROTO, 1611 NFTA_CT_HELPER_L4PROTO, 1612 __NFTA_CT_HELPER_MAX, 1613 }; 1614 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1) 1615 1616 enum nft_ct_timeout_timeout_attributes { 1617 NFTA_CT_TIMEOUT_UNSPEC, 1618 NFTA_CT_TIMEOUT_L3PROTO, 1619 NFTA_CT_TIMEOUT_L4PROTO, 1620 NFTA_CT_TIMEOUT_DATA, 1621 __NFTA_CT_TIMEOUT_MAX, 1622 }; 1623 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1) 1624 1625 enum nft_ct_expectation_attributes { 1626 NFTA_CT_EXPECT_UNSPEC, 1627 NFTA_CT_EXPECT_L3PROTO, 1628 NFTA_CT_EXPECT_L4PROTO, 1629 NFTA_CT_EXPECT_DPORT, 1630 NFTA_CT_EXPECT_TIMEOUT, 1631 NFTA_CT_EXPECT_SIZE, 1632 __NFTA_CT_EXPECT_MAX, 1633 }; 1634 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1) 1635 1636 #define NFT_OBJECT_UNSPEC 0 1637 #define NFT_OBJECT_COUNTER 1 1638 #define NFT_OBJECT_QUOTA 2 1639 #define NFT_OBJECT_CT_HELPER 3 1640 #define NFT_OBJECT_LIMIT 4 1641 #define NFT_OBJECT_CONNLIMIT 5 1642 #define NFT_OBJECT_TUNNEL 6 1643 #define NFT_OBJECT_CT_TIMEOUT 7 1644 #define NFT_OBJECT_SECMARK 8 1645 #define NFT_OBJECT_CT_EXPECT 9 1646 #define NFT_OBJECT_SYNPROXY 10 1647 #define __NFT_OBJECT_MAX 11 1648 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1) 1649 1650 /** 1651 * enum nft_object_attributes - nf_tables stateful object netlink attributes 1652 * 1653 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING) 1654 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING) 1655 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32) 1656 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) 1657 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) 1658 * @NFTA_OBJ_HANDLE: object handle (NLA_U64) 1659 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY) 1660 */ 1661 enum nft_object_attributes { 1662 NFTA_OBJ_UNSPEC, 1663 NFTA_OBJ_TABLE, 1664 NFTA_OBJ_NAME, 1665 NFTA_OBJ_TYPE, 1666 NFTA_OBJ_DATA, 1667 NFTA_OBJ_USE, 1668 NFTA_OBJ_HANDLE, 1669 NFTA_OBJ_PAD, 1670 NFTA_OBJ_USERDATA, 1671 __NFTA_OBJ_MAX 1672 }; 1673 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1) 1674 1675 /** 1676 * enum nft_flowtable_flags - nf_tables flowtable flags 1677 * 1678 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled 1679 * @NFT_FLOWTABLE_COUNTER: enable flow counters 1680 */ 1681 enum nft_flowtable_flags { 1682 NFT_FLOWTABLE_HW_OFFLOAD = 0x1, 1683 NFT_FLOWTABLE_COUNTER = 0x2, 1684 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD | 1685 NFT_FLOWTABLE_COUNTER) 1686 }; 1687 1688 /** 1689 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes 1690 * 1691 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) 1692 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) 1693 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration (NLA_NESTED) 1694 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) 1695 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) 1696 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32) 1697 */ 1698 enum nft_flowtable_attributes { 1699 NFTA_FLOWTABLE_UNSPEC, 1700 NFTA_FLOWTABLE_TABLE, 1701 NFTA_FLOWTABLE_NAME, 1702 NFTA_FLOWTABLE_HOOK, 1703 NFTA_FLOWTABLE_USE, 1704 NFTA_FLOWTABLE_HANDLE, 1705 NFTA_FLOWTABLE_PAD, 1706 NFTA_FLOWTABLE_FLAGS, 1707 __NFTA_FLOWTABLE_MAX 1708 }; 1709 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1) 1710 1711 /** 1712 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes 1713 * 1714 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32) 1715 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 1716 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED) 1717 */ 1718 enum nft_flowtable_hook_attributes { 1719 NFTA_FLOWTABLE_HOOK_UNSPEC, 1720 NFTA_FLOWTABLE_HOOK_NUM, 1721 NFTA_FLOWTABLE_HOOK_PRIORITY, 1722 NFTA_FLOWTABLE_HOOK_DEVS, 1723 __NFTA_FLOWTABLE_HOOK_MAX 1724 }; 1725 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1) 1726 1727 /** 1728 * enum nft_osf_attributes - nftables osf expression netlink attributes 1729 * 1730 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers) 1731 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8) 1732 * @NFTA_OSF_FLAGS: flags (NLA_U32) 1733 */ 1734 enum nft_osf_attributes { 1735 NFTA_OSF_UNSPEC, 1736 NFTA_OSF_DREG, 1737 NFTA_OSF_TTL, 1738 NFTA_OSF_FLAGS, 1739 __NFTA_OSF_MAX, 1740 }; 1741 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1) 1742 1743 enum nft_osf_flags { 1744 NFT_OSF_F_VERSION = (1 << 0), 1745 }; 1746 1747 /** 1748 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes 1749 * 1750 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16) 1751 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8) 1752 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32) 1753 */ 1754 enum nft_synproxy_attributes { 1755 NFTA_SYNPROXY_UNSPEC, 1756 NFTA_SYNPROXY_MSS, 1757 NFTA_SYNPROXY_WSCALE, 1758 NFTA_SYNPROXY_FLAGS, 1759 __NFTA_SYNPROXY_MAX, 1760 }; 1761 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1) 1762 1763 /** 1764 * enum nft_device_attributes - nf_tables device netlink attributes 1765 * 1766 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING) 1767 */ 1768 enum nft_devices_attributes { 1769 NFTA_DEVICE_UNSPEC, 1770 NFTA_DEVICE_NAME, 1771 __NFTA_DEVICE_MAX 1772 }; 1773 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1) 1774 1775 /* 1776 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes 1777 * 1778 * @NFTA_XFRM_DREG: destination register (NLA_U32) 1779 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32) 1780 * @NFTA_XFRM_DIR: direction (NLA_U8) 1781 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32) 1782 */ 1783 enum nft_xfrm_attributes { 1784 NFTA_XFRM_UNSPEC, 1785 NFTA_XFRM_DREG, 1786 NFTA_XFRM_KEY, 1787 NFTA_XFRM_DIR, 1788 NFTA_XFRM_SPNUM, 1789 __NFTA_XFRM_MAX 1790 }; 1791 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1) 1792 1793 enum nft_xfrm_keys { 1794 NFT_XFRM_KEY_UNSPEC, 1795 NFT_XFRM_KEY_DADDR_IP4, 1796 NFT_XFRM_KEY_DADDR_IP6, 1797 NFT_XFRM_KEY_SADDR_IP4, 1798 NFT_XFRM_KEY_SADDR_IP6, 1799 NFT_XFRM_KEY_REQID, 1800 NFT_XFRM_KEY_SPI, 1801 __NFT_XFRM_KEY_MAX, 1802 }; 1803 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1) 1804 1805 /** 1806 * enum nft_trace_attributes - nf_tables trace netlink attributes 1807 * 1808 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) 1809 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) 1810 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) 1811 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) 1812 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) 1813 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) 1814 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) 1815 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) 1816 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) 1817 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) 1818 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) 1819 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) 1820 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) 1821 * @NFTA_TRACE_MARK: nfmark (NLA_U32) 1822 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) 1823 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) 1824 */ 1825 enum nft_trace_attributes { 1826 NFTA_TRACE_UNSPEC, 1827 NFTA_TRACE_TABLE, 1828 NFTA_TRACE_CHAIN, 1829 NFTA_TRACE_RULE_HANDLE, 1830 NFTA_TRACE_TYPE, 1831 NFTA_TRACE_VERDICT, 1832 NFTA_TRACE_ID, 1833 NFTA_TRACE_LL_HEADER, 1834 NFTA_TRACE_NETWORK_HEADER, 1835 NFTA_TRACE_TRANSPORT_HEADER, 1836 NFTA_TRACE_IIF, 1837 NFTA_TRACE_IIFTYPE, 1838 NFTA_TRACE_OIF, 1839 NFTA_TRACE_OIFTYPE, 1840 NFTA_TRACE_MARK, 1841 NFTA_TRACE_NFPROTO, 1842 NFTA_TRACE_POLICY, 1843 NFTA_TRACE_PAD, 1844 __NFTA_TRACE_MAX 1845 }; 1846 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1) 1847 1848 enum nft_trace_types { 1849 NFT_TRACETYPE_UNSPEC, 1850 NFT_TRACETYPE_POLICY, 1851 NFT_TRACETYPE_RETURN, 1852 NFT_TRACETYPE_RULE, 1853 __NFT_TRACETYPE_MAX 1854 }; 1855 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) 1856 1857 /** 1858 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes 1859 * 1860 * @NFTA_NG_DREG: destination register (NLA_U32) 1861 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) 1862 * @NFTA_NG_TYPE: operation type (NLA_U32) 1863 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) 1864 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING) 1865 * @NFTA_NG_SET_ID: id of the map (NLA_U32) 1866 */ 1867 enum nft_ng_attributes { 1868 NFTA_NG_UNSPEC, 1869 NFTA_NG_DREG, 1870 NFTA_NG_MODULUS, 1871 NFTA_NG_TYPE, 1872 NFTA_NG_OFFSET, 1873 NFTA_NG_SET_NAME, /* deprecated */ 1874 NFTA_NG_SET_ID, /* deprecated */ 1875 __NFTA_NG_MAX 1876 }; 1877 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1) 1878 1879 enum nft_ng_types { 1880 NFT_NG_INCREMENTAL, 1881 NFT_NG_RANDOM, 1882 __NFT_NG_MAX 1883 }; 1884 #define NFT_NG_MAX (__NFT_NG_MAX - 1) 1885 1886 enum nft_tunnel_key_ip_attributes { 1887 NFTA_TUNNEL_KEY_IP_UNSPEC, 1888 NFTA_TUNNEL_KEY_IP_SRC, 1889 NFTA_TUNNEL_KEY_IP_DST, 1890 __NFTA_TUNNEL_KEY_IP_MAX 1891 }; 1892 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1) 1893 1894 enum nft_tunnel_ip6_attributes { 1895 NFTA_TUNNEL_KEY_IP6_UNSPEC, 1896 NFTA_TUNNEL_KEY_IP6_SRC, 1897 NFTA_TUNNEL_KEY_IP6_DST, 1898 NFTA_TUNNEL_KEY_IP6_FLOWLABEL, 1899 __NFTA_TUNNEL_KEY_IP6_MAX 1900 }; 1901 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1) 1902 1903 enum nft_tunnel_opts_attributes { 1904 NFTA_TUNNEL_KEY_OPTS_UNSPEC, 1905 NFTA_TUNNEL_KEY_OPTS_VXLAN, 1906 NFTA_TUNNEL_KEY_OPTS_ERSPAN, 1907 NFTA_TUNNEL_KEY_OPTS_GENEVE, 1908 __NFTA_TUNNEL_KEY_OPTS_MAX 1909 }; 1910 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1) 1911 1912 enum nft_tunnel_opts_vxlan_attributes { 1913 NFTA_TUNNEL_KEY_VXLAN_UNSPEC, 1914 NFTA_TUNNEL_KEY_VXLAN_GBP, 1915 __NFTA_TUNNEL_KEY_VXLAN_MAX 1916 }; 1917 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1) 1918 1919 enum nft_tunnel_opts_erspan_attributes { 1920 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC, 1921 NFTA_TUNNEL_KEY_ERSPAN_VERSION, 1922 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX, 1923 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID, 1924 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR, 1925 __NFTA_TUNNEL_KEY_ERSPAN_MAX 1926 }; 1927 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1) 1928 1929 enum nft_tunnel_opts_geneve_attributes { 1930 NFTA_TUNNEL_KEY_GENEVE_UNSPEC, 1931 NFTA_TUNNEL_KEY_GENEVE_CLASS, 1932 NFTA_TUNNEL_KEY_GENEVE_TYPE, 1933 NFTA_TUNNEL_KEY_GENEVE_DATA, 1934 __NFTA_TUNNEL_KEY_GENEVE_MAX 1935 }; 1936 #define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1) 1937 1938 enum nft_tunnel_flags { 1939 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0), 1940 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1), 1941 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2), 1942 }; 1943 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \ 1944 NFT_TUNNEL_F_DONT_FRAGMENT | \ 1945 NFT_TUNNEL_F_SEQ_NUMBER) 1946 1947 enum nft_tunnel_key_attributes { 1948 NFTA_TUNNEL_KEY_UNSPEC, 1949 NFTA_TUNNEL_KEY_ID, 1950 NFTA_TUNNEL_KEY_IP, 1951 NFTA_TUNNEL_KEY_IP6, 1952 NFTA_TUNNEL_KEY_FLAGS, 1953 NFTA_TUNNEL_KEY_TOS, 1954 NFTA_TUNNEL_KEY_TTL, 1955 NFTA_TUNNEL_KEY_SPORT, 1956 NFTA_TUNNEL_KEY_DPORT, 1957 NFTA_TUNNEL_KEY_OPTS, 1958 __NFTA_TUNNEL_KEY_MAX 1959 }; 1960 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1) 1961 1962 enum nft_tunnel_keys { 1963 NFT_TUNNEL_PATH, 1964 NFT_TUNNEL_ID, 1965 __NFT_TUNNEL_MAX 1966 }; 1967 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1) 1968 1969 enum nft_tunnel_mode { 1970 NFT_TUNNEL_MODE_NONE, 1971 NFT_TUNNEL_MODE_RX, 1972 NFT_TUNNEL_MODE_TX, 1973 __NFT_TUNNEL_MODE_MAX 1974 }; 1975 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1) 1976 1977 enum nft_tunnel_attributes { 1978 NFTA_TUNNEL_UNSPEC, 1979 NFTA_TUNNEL_KEY, 1980 NFTA_TUNNEL_DREG, 1981 NFTA_TUNNEL_MODE, 1982 __NFTA_TUNNEL_MAX 1983 }; 1984 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1) 1985 1986 #endif /* _LINUX_NF_TABLES_H */ 1987