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_NEWDEV, 146 NFT_MSG_DELDEV, 147 NFT_MSG_MAX, 148 }; 149 150 /** 151 * enum nft_list_attributes - nf_tables generic list netlink attributes 152 * 153 * @NFTA_LIST_ELEM: list element (NLA_NESTED) 154 */ 155 enum nft_list_attributes { 156 NFTA_LIST_UNSPEC, 157 NFTA_LIST_ELEM, 158 __NFTA_LIST_MAX 159 }; 160 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) 161 162 /** 163 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes 164 * 165 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) 166 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 167 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING) 168 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED) 169 */ 170 enum nft_hook_attributes { 171 NFTA_HOOK_UNSPEC, 172 NFTA_HOOK_HOOKNUM, 173 NFTA_HOOK_PRIORITY, 174 NFTA_HOOK_DEV, 175 NFTA_HOOK_DEVS, 176 __NFTA_HOOK_MAX 177 }; 178 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) 179 180 /** 181 * enum nft_table_flags - nf_tables table flags 182 * 183 * @NFT_TABLE_F_DORMANT: this table is not active 184 * @NFT_TABLE_F_OWNER: this table is owned by a process 185 * @NFT_TABLE_F_PERSIST: this table shall outlive its owner 186 */ 187 enum nft_table_flags { 188 NFT_TABLE_F_DORMANT = 0x1, 189 NFT_TABLE_F_OWNER = 0x2, 190 NFT_TABLE_F_PERSIST = 0x4, 191 }; 192 #define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | \ 193 NFT_TABLE_F_OWNER | \ 194 NFT_TABLE_F_PERSIST) 195 196 /** 197 * enum nft_table_attributes - nf_tables table netlink attributes 198 * 199 * @NFTA_TABLE_NAME: name of the table (NLA_STRING) 200 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) 201 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) 202 * @NFTA_TABLE_USERDATA: user data (NLA_BINARY) 203 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32) 204 */ 205 enum nft_table_attributes { 206 NFTA_TABLE_UNSPEC, 207 NFTA_TABLE_NAME, 208 NFTA_TABLE_FLAGS, 209 NFTA_TABLE_USE, 210 NFTA_TABLE_HANDLE, 211 NFTA_TABLE_PAD, 212 NFTA_TABLE_USERDATA, 213 NFTA_TABLE_OWNER, 214 __NFTA_TABLE_MAX 215 }; 216 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) 217 218 enum nft_chain_flags { 219 NFT_CHAIN_BASE = (1 << 0), 220 NFT_CHAIN_HW_OFFLOAD = (1 << 1), 221 NFT_CHAIN_BINDING = (1 << 2), 222 }; 223 #define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \ 224 NFT_CHAIN_HW_OFFLOAD | \ 225 NFT_CHAIN_BINDING) 226 227 /** 228 * enum nft_chain_attributes - nf_tables chain netlink attributes 229 * 230 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) 231 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) 232 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) 233 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) 234 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) 235 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) 236 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) 237 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) 238 * @NFTA_CHAIN_FLAGS: chain flags 239 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32) 240 * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY) 241 */ 242 enum nft_chain_attributes { 243 NFTA_CHAIN_UNSPEC, 244 NFTA_CHAIN_TABLE, 245 NFTA_CHAIN_HANDLE, 246 NFTA_CHAIN_NAME, 247 NFTA_CHAIN_HOOK, 248 NFTA_CHAIN_POLICY, 249 NFTA_CHAIN_USE, 250 NFTA_CHAIN_TYPE, 251 NFTA_CHAIN_COUNTERS, 252 NFTA_CHAIN_PAD, 253 NFTA_CHAIN_FLAGS, 254 NFTA_CHAIN_ID, 255 NFTA_CHAIN_USERDATA, 256 __NFTA_CHAIN_MAX 257 }; 258 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) 259 260 /** 261 * enum nft_rule_attributes - nf_tables rule netlink attributes 262 * 263 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) 264 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) 265 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) 266 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) 267 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) 268 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) 269 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) 270 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32) 271 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32) 272 * @NFTA_RULE_CHAIN_ID: add the rule to chain by ID, alternative to @NFTA_RULE_CHAIN (NLA_U32) 273 */ 274 enum nft_rule_attributes { 275 NFTA_RULE_UNSPEC, 276 NFTA_RULE_TABLE, 277 NFTA_RULE_CHAIN, 278 NFTA_RULE_HANDLE, 279 NFTA_RULE_EXPRESSIONS, 280 NFTA_RULE_COMPAT, 281 NFTA_RULE_POSITION, 282 NFTA_RULE_USERDATA, 283 NFTA_RULE_PAD, 284 NFTA_RULE_ID, 285 NFTA_RULE_POSITION_ID, 286 NFTA_RULE_CHAIN_ID, 287 __NFTA_RULE_MAX 288 }; 289 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) 290 291 /** 292 * enum nft_rule_compat_flags - nf_tables rule compat flags 293 * 294 * @NFT_RULE_COMPAT_F_UNUSED: unused 295 * @NFT_RULE_COMPAT_F_INV: invert the check result 296 */ 297 enum nft_rule_compat_flags { 298 NFT_RULE_COMPAT_F_UNUSED = (1 << 0), 299 NFT_RULE_COMPAT_F_INV = (1 << 1), 300 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, 301 }; 302 303 /** 304 * enum nft_rule_compat_attributes - nf_tables rule compat attributes 305 * 306 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32) 307 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) 308 */ 309 enum nft_rule_compat_attributes { 310 NFTA_RULE_COMPAT_UNSPEC, 311 NFTA_RULE_COMPAT_PROTO, 312 NFTA_RULE_COMPAT_FLAGS, 313 __NFTA_RULE_COMPAT_MAX 314 }; 315 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) 316 317 /** 318 * enum nft_set_flags - nf_tables set flags 319 * 320 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink 321 * @NFT_SET_CONSTANT: set contents may not change while bound 322 * @NFT_SET_INTERVAL: set contains intervals 323 * @NFT_SET_MAP: set is used as a dictionary 324 * @NFT_SET_TIMEOUT: set uses timeouts 325 * @NFT_SET_EVAL: set can be updated from the evaluation path 326 * @NFT_SET_OBJECT: set contains stateful objects 327 * @NFT_SET_CONCAT: set contains a concatenation 328 * @NFT_SET_EXPR: set contains expressions 329 */ 330 enum nft_set_flags { 331 NFT_SET_ANONYMOUS = 0x1, 332 NFT_SET_CONSTANT = 0x2, 333 NFT_SET_INTERVAL = 0x4, 334 NFT_SET_MAP = 0x8, 335 NFT_SET_TIMEOUT = 0x10, 336 NFT_SET_EVAL = 0x20, 337 NFT_SET_OBJECT = 0x40, 338 NFT_SET_CONCAT = 0x80, 339 NFT_SET_EXPR = 0x100, 340 }; 341 342 /** 343 * enum nft_set_policies - set selection policy 344 * 345 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use 346 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance 347 */ 348 enum nft_set_policies { 349 NFT_SET_POL_PERFORMANCE, 350 NFT_SET_POL_MEMORY, 351 }; 352 353 /** 354 * enum nft_set_desc_attributes - set element description 355 * 356 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) 357 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED) 358 */ 359 enum nft_set_desc_attributes { 360 NFTA_SET_DESC_UNSPEC, 361 NFTA_SET_DESC_SIZE, 362 NFTA_SET_DESC_CONCAT, 363 __NFTA_SET_DESC_MAX 364 }; 365 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) 366 367 /** 368 * enum nft_set_field_attributes - attributes of concatenated fields 369 * 370 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32) 371 */ 372 enum nft_set_field_attributes { 373 NFTA_SET_FIELD_UNSPEC, 374 NFTA_SET_FIELD_LEN, 375 __NFTA_SET_FIELD_MAX 376 }; 377 #define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1) 378 379 /** 380 * enum nft_set_attributes - nf_tables set netlink attributes 381 * 382 * @NFTA_SET_TABLE: table name (NLA_STRING) 383 * @NFTA_SET_NAME: set name (NLA_STRING) 384 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) 385 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) 386 * @NFTA_SET_KEY_LEN: key data length (NLA_U32) 387 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) 388 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) 389 * @NFTA_SET_POLICY: selection policy (NLA_U32) 390 * @NFTA_SET_DESC: set description (NLA_NESTED) 391 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 392 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) 393 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) 394 * @NFTA_SET_USERDATA: user data (NLA_BINARY) 395 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*) 396 * @NFTA_SET_HANDLE: set handle (NLA_U64) 397 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes) 398 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 399 * @NFTA_SET_TYPE: set backend type (NLA_STRING) 400 * @NFTA_SET_COUNT: number of set elements (NLA_U32) 401 */ 402 enum nft_set_attributes { 403 NFTA_SET_UNSPEC, 404 NFTA_SET_TABLE, 405 NFTA_SET_NAME, 406 NFTA_SET_FLAGS, 407 NFTA_SET_KEY_TYPE, 408 NFTA_SET_KEY_LEN, 409 NFTA_SET_DATA_TYPE, 410 NFTA_SET_DATA_LEN, 411 NFTA_SET_POLICY, 412 NFTA_SET_DESC, 413 NFTA_SET_ID, 414 NFTA_SET_TIMEOUT, 415 NFTA_SET_GC_INTERVAL, 416 NFTA_SET_USERDATA, 417 NFTA_SET_PAD, 418 NFTA_SET_OBJ_TYPE, 419 NFTA_SET_HANDLE, 420 NFTA_SET_EXPR, 421 NFTA_SET_EXPRESSIONS, 422 NFTA_SET_TYPE, 423 NFTA_SET_COUNT, 424 __NFTA_SET_MAX 425 }; 426 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) 427 428 /** 429 * enum nft_set_elem_flags - nf_tables set element flags 430 * 431 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval 432 * @NFT_SET_ELEM_CATCHALL: special catch-all element 433 */ 434 enum nft_set_elem_flags { 435 NFT_SET_ELEM_INTERVAL_END = 0x1, 436 NFT_SET_ELEM_CATCHALL = 0x2, 437 }; 438 439 /** 440 * enum nft_set_elem_attributes - nf_tables set element netlink attributes 441 * 442 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) 443 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) 444 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) 445 * @NFTA_SET_ELEM_TIMEOUT: timeout value, zero means never times out (NLA_U64) 446 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) 447 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) 448 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) 449 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING) 450 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data) 451 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 452 */ 453 enum nft_set_elem_attributes { 454 NFTA_SET_ELEM_UNSPEC, 455 NFTA_SET_ELEM_KEY, 456 NFTA_SET_ELEM_DATA, 457 NFTA_SET_ELEM_FLAGS, 458 NFTA_SET_ELEM_TIMEOUT, 459 NFTA_SET_ELEM_EXPIRATION, 460 NFTA_SET_ELEM_USERDATA, 461 NFTA_SET_ELEM_EXPR, 462 NFTA_SET_ELEM_PAD, 463 NFTA_SET_ELEM_OBJREF, 464 NFTA_SET_ELEM_KEY_END, 465 NFTA_SET_ELEM_EXPRESSIONS, 466 __NFTA_SET_ELEM_MAX 467 }; 468 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) 469 470 /** 471 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes 472 * 473 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) 474 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) 475 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) 476 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 477 */ 478 enum nft_set_elem_list_attributes { 479 NFTA_SET_ELEM_LIST_UNSPEC, 480 NFTA_SET_ELEM_LIST_TABLE, 481 NFTA_SET_ELEM_LIST_SET, 482 NFTA_SET_ELEM_LIST_ELEMENTS, 483 NFTA_SET_ELEM_LIST_SET_ID, 484 __NFTA_SET_ELEM_LIST_MAX 485 }; 486 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) 487 488 /** 489 * enum nft_data_types - nf_tables data types 490 * 491 * @NFT_DATA_VALUE: generic data 492 * @NFT_DATA_VERDICT: netfilter verdict 493 * 494 * The type of data is usually determined by the kernel directly and is not 495 * explicitly specified by userspace. The only difference are sets, where 496 * userspace specifies the key and mapping data types. 497 * 498 * The values 0xffffff00-0xffffffff are reserved for internally used types. 499 * The remaining range can be freely used by userspace to encode types, all 500 * values are equivalent to NFT_DATA_VALUE. 501 */ 502 enum nft_data_types { 503 NFT_DATA_VALUE, 504 NFT_DATA_VERDICT = 0xffffff00U, 505 }; 506 507 #define NFT_DATA_RESERVED_MASK 0xffffff00U 508 509 /** 510 * enum nft_data_attributes - nf_tables data netlink attributes 511 * 512 * @NFTA_DATA_VALUE: generic data (NLA_BINARY) 513 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) 514 */ 515 enum nft_data_attributes { 516 NFTA_DATA_UNSPEC, 517 NFTA_DATA_VALUE, 518 NFTA_DATA_VERDICT, 519 __NFTA_DATA_MAX 520 }; 521 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) 522 523 /* Maximum length of a value */ 524 #define NFT_DATA_VALUE_MAXLEN 64 525 526 /** 527 * enum nft_verdict_attributes - nf_tables verdict netlink attributes 528 * 529 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) 530 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) 531 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32) 532 */ 533 enum nft_verdict_attributes { 534 NFTA_VERDICT_UNSPEC, 535 NFTA_VERDICT_CODE, 536 NFTA_VERDICT_CHAIN, 537 NFTA_VERDICT_CHAIN_ID, 538 __NFTA_VERDICT_MAX 539 }; 540 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) 541 542 /** 543 * enum nft_expr_attributes - nf_tables expression netlink attributes 544 * 545 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) 546 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) 547 */ 548 enum nft_expr_attributes { 549 NFTA_EXPR_UNSPEC, 550 NFTA_EXPR_NAME, 551 NFTA_EXPR_DATA, 552 __NFTA_EXPR_MAX 553 }; 554 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) 555 556 /** 557 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes 558 * 559 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) 560 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) 561 */ 562 enum nft_immediate_attributes { 563 NFTA_IMMEDIATE_UNSPEC, 564 NFTA_IMMEDIATE_DREG, 565 NFTA_IMMEDIATE_DATA, 566 __NFTA_IMMEDIATE_MAX 567 }; 568 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) 569 570 /** 571 * enum nft_bitwise_ops - nf_tables bitwise operations 572 * 573 * @NFT_BITWISE_MASK_XOR: mask-and-xor operation used to implement NOT, AND, OR 574 * and XOR boolean operations 575 * @NFT_BITWISE_LSHIFT: left-shift operation 576 * @NFT_BITWISE_RSHIFT: right-shift operation 577 * @NFT_BITWISE_AND: and operation 578 * @NFT_BITWISE_OR: or operation 579 * @NFT_BITWISE_XOR: xor operation 580 */ 581 enum nft_bitwise_ops { 582 NFT_BITWISE_MASK_XOR, 583 NFT_BITWISE_LSHIFT, 584 NFT_BITWISE_RSHIFT, 585 NFT_BITWISE_AND, 586 NFT_BITWISE_OR, 587 NFT_BITWISE_XOR, 588 }; 589 /* 590 * Old name for NFT_BITWISE_MASK_XOR. Retained for backwards-compatibility. 591 */ 592 #define NFT_BITWISE_BOOL NFT_BITWISE_MASK_XOR 593 594 /** 595 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes 596 * 597 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) 598 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) 599 * @NFTA_BITWISE_LEN: length of operands (NLA_U32) 600 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) 601 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) 602 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops) 603 * @NFTA_BITWISE_DATA: argument for non-boolean operations 604 * (NLA_NESTED: nft_data_attributes) 605 * @NFTA_BITWISE_SREG2: second source register (NLA_U32: nft_registers) 606 * 607 * The bitwise expression supports boolean and shift operations. It implements 608 * the boolean operations by performing the following operation: 609 * 610 * dreg = (sreg & mask) ^ xor 611 * 612 * with these mask and xor values: 613 * 614 * mask xor 615 * NOT: 1 1 616 * OR: ~x x 617 * XOR: 1 x 618 * AND: x 0 619 */ 620 enum nft_bitwise_attributes { 621 NFTA_BITWISE_UNSPEC, 622 NFTA_BITWISE_SREG, 623 NFTA_BITWISE_DREG, 624 NFTA_BITWISE_LEN, 625 NFTA_BITWISE_MASK, 626 NFTA_BITWISE_XOR, 627 NFTA_BITWISE_OP, 628 NFTA_BITWISE_DATA, 629 NFTA_BITWISE_SREG2, 630 __NFTA_BITWISE_MAX 631 }; 632 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) 633 634 /** 635 * enum nft_byteorder_ops - nf_tables byteorder operators 636 * 637 * @NFT_BYTEORDER_NTOH: network to host operator 638 * @NFT_BYTEORDER_HTON: host to network operator 639 */ 640 enum nft_byteorder_ops { 641 NFT_BYTEORDER_NTOH, 642 NFT_BYTEORDER_HTON, 643 }; 644 645 /** 646 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes 647 * 648 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) 649 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) 650 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) 651 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) 652 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) 653 */ 654 enum nft_byteorder_attributes { 655 NFTA_BYTEORDER_UNSPEC, 656 NFTA_BYTEORDER_SREG, 657 NFTA_BYTEORDER_DREG, 658 NFTA_BYTEORDER_OP, 659 NFTA_BYTEORDER_LEN, 660 NFTA_BYTEORDER_SIZE, 661 __NFTA_BYTEORDER_MAX 662 }; 663 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) 664 665 /** 666 * enum nft_cmp_ops - nf_tables relational operator 667 * 668 * @NFT_CMP_EQ: equal 669 * @NFT_CMP_NEQ: not equal 670 * @NFT_CMP_LT: less than 671 * @NFT_CMP_LTE: less than or equal to 672 * @NFT_CMP_GT: greater than 673 * @NFT_CMP_GTE: greater than or equal to 674 */ 675 enum nft_cmp_ops { 676 NFT_CMP_EQ, 677 NFT_CMP_NEQ, 678 NFT_CMP_LT, 679 NFT_CMP_LTE, 680 NFT_CMP_GT, 681 NFT_CMP_GTE, 682 }; 683 684 /** 685 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes 686 * 687 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) 688 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) 689 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) 690 */ 691 enum nft_cmp_attributes { 692 NFTA_CMP_UNSPEC, 693 NFTA_CMP_SREG, 694 NFTA_CMP_OP, 695 NFTA_CMP_DATA, 696 __NFTA_CMP_MAX 697 }; 698 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) 699 700 /** 701 * enum nft_range_ops - nf_tables range operator 702 * 703 * @NFT_RANGE_EQ: equal 704 * @NFT_RANGE_NEQ: not equal 705 */ 706 enum nft_range_ops { 707 NFT_RANGE_EQ, 708 NFT_RANGE_NEQ, 709 }; 710 711 /** 712 * enum nft_range_attributes - nf_tables range expression netlink attributes 713 * 714 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) 715 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops) 716 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) 717 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) 718 */ 719 enum nft_range_attributes { 720 NFTA_RANGE_UNSPEC, 721 NFTA_RANGE_SREG, 722 NFTA_RANGE_OP, 723 NFTA_RANGE_FROM_DATA, 724 NFTA_RANGE_TO_DATA, 725 __NFTA_RANGE_MAX 726 }; 727 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1) 728 729 enum nft_lookup_flags { 730 NFT_LOOKUP_F_INV = (1 << 0), 731 }; 732 733 /** 734 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes 735 * 736 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) 737 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) 738 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) 739 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 740 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) 741 */ 742 enum nft_lookup_attributes { 743 NFTA_LOOKUP_UNSPEC, 744 NFTA_LOOKUP_SET, 745 NFTA_LOOKUP_SREG, 746 NFTA_LOOKUP_DREG, 747 NFTA_LOOKUP_SET_ID, 748 NFTA_LOOKUP_FLAGS, 749 __NFTA_LOOKUP_MAX 750 }; 751 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) 752 753 enum nft_dynset_ops { 754 NFT_DYNSET_OP_ADD, 755 NFT_DYNSET_OP_UPDATE, 756 NFT_DYNSET_OP_DELETE, 757 }; 758 759 enum nft_dynset_flags { 760 NFT_DYNSET_F_INV = (1 << 0), 761 NFT_DYNSET_F_EXPR = (1 << 1), 762 }; 763 764 /** 765 * enum nft_dynset_attributes - dynset expression attributes 766 * 767 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) 768 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) 769 * @NFTA_DYNSET_OP: operation (NLA_U32) 770 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) 771 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) 772 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) 773 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) 774 * @NFTA_DYNSET_FLAGS: flags (NLA_U32) 775 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 776 */ 777 enum nft_dynset_attributes { 778 NFTA_DYNSET_UNSPEC, 779 NFTA_DYNSET_SET_NAME, 780 NFTA_DYNSET_SET_ID, 781 NFTA_DYNSET_OP, 782 NFTA_DYNSET_SREG_KEY, 783 NFTA_DYNSET_SREG_DATA, 784 NFTA_DYNSET_TIMEOUT, 785 NFTA_DYNSET_EXPR, 786 NFTA_DYNSET_PAD, 787 NFTA_DYNSET_FLAGS, 788 NFTA_DYNSET_EXPRESSIONS, 789 __NFTA_DYNSET_MAX, 790 }; 791 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) 792 793 /** 794 * enum nft_payload_bases - nf_tables payload expression offset bases 795 * 796 * @NFT_PAYLOAD_LL_HEADER: link layer header 797 * @NFT_PAYLOAD_NETWORK_HEADER: network header 798 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header 799 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload 800 */ 801 enum nft_payload_bases { 802 NFT_PAYLOAD_LL_HEADER, 803 NFT_PAYLOAD_NETWORK_HEADER, 804 NFT_PAYLOAD_TRANSPORT_HEADER, 805 NFT_PAYLOAD_INNER_HEADER, 806 NFT_PAYLOAD_TUN_HEADER, 807 }; 808 809 /** 810 * enum nft_payload_csum_types - nf_tables payload expression checksum types 811 * 812 * @NFT_PAYLOAD_CSUM_NONE: no checksumming 813 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) 814 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309) 815 */ 816 enum nft_payload_csum_types { 817 NFT_PAYLOAD_CSUM_NONE, 818 NFT_PAYLOAD_CSUM_INET, 819 NFT_PAYLOAD_CSUM_SCTP, 820 }; 821 822 enum nft_payload_csum_flags { 823 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0), 824 }; 825 826 enum nft_inner_type { 827 NFT_INNER_UNSPEC = 0, 828 NFT_INNER_VXLAN, 829 NFT_INNER_GENEVE, 830 }; 831 832 enum nft_inner_flags { 833 NFT_INNER_HDRSIZE = (1 << 0), 834 NFT_INNER_LL = (1 << 1), 835 NFT_INNER_NH = (1 << 2), 836 NFT_INNER_TH = (1 << 3), 837 }; 838 #define NFT_INNER_MASK (NFT_INNER_HDRSIZE | NFT_INNER_LL | \ 839 NFT_INNER_NH | NFT_INNER_TH) 840 841 enum nft_inner_attributes { 842 NFTA_INNER_UNSPEC, 843 NFTA_INNER_NUM, 844 NFTA_INNER_TYPE, 845 NFTA_INNER_FLAGS, 846 NFTA_INNER_HDRSIZE, 847 NFTA_INNER_EXPR, 848 __NFTA_INNER_MAX 849 }; 850 #define NFTA_INNER_MAX (__NFTA_INNER_MAX - 1) 851 852 /** 853 * enum nft_payload_attributes - nf_tables payload expression netlink attributes 854 * 855 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) 856 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) 857 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) 858 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) 859 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) 860 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) 861 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) 862 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32) 863 */ 864 enum nft_payload_attributes { 865 NFTA_PAYLOAD_UNSPEC, 866 NFTA_PAYLOAD_DREG, 867 NFTA_PAYLOAD_BASE, 868 NFTA_PAYLOAD_OFFSET, 869 NFTA_PAYLOAD_LEN, 870 NFTA_PAYLOAD_SREG, 871 NFTA_PAYLOAD_CSUM_TYPE, 872 NFTA_PAYLOAD_CSUM_OFFSET, 873 NFTA_PAYLOAD_CSUM_FLAGS, 874 __NFTA_PAYLOAD_MAX 875 }; 876 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) 877 878 enum nft_exthdr_flags { 879 NFT_EXTHDR_F_PRESENT = (1 << 0), 880 }; 881 882 /** 883 * enum nft_exthdr_op - nf_tables match options 884 * 885 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers 886 * @NFT_EXTHDR_OP_TCP: match against tcp options 887 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options 888 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks 889 * @NFT_EXTHDR_OP_DCCP: match against dccp otions 890 */ 891 enum nft_exthdr_op { 892 NFT_EXTHDR_OP_IPV6, 893 NFT_EXTHDR_OP_TCPOPT, 894 NFT_EXTHDR_OP_IPV4, 895 NFT_EXTHDR_OP_SCTP, 896 NFT_EXTHDR_OP_DCCP, 897 __NFT_EXTHDR_OP_MAX 898 }; 899 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1) 900 901 /** 902 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes 903 * 904 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) 905 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) 906 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) 907 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) 908 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32) 909 * @NFTA_EXTHDR_OP: option match type (NLA_U32) 910 * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers) 911 */ 912 enum nft_exthdr_attributes { 913 NFTA_EXTHDR_UNSPEC, 914 NFTA_EXTHDR_DREG, 915 NFTA_EXTHDR_TYPE, 916 NFTA_EXTHDR_OFFSET, 917 NFTA_EXTHDR_LEN, 918 NFTA_EXTHDR_FLAGS, 919 NFTA_EXTHDR_OP, 920 NFTA_EXTHDR_SREG, 921 __NFTA_EXTHDR_MAX 922 }; 923 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) 924 925 /** 926 * enum nft_meta_keys - nf_tables meta expression keys 927 * 928 * @NFT_META_LEN: packet length (skb->len) 929 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT 930 * @NFT_META_PRIORITY: packet priority (skb->priority) 931 * @NFT_META_MARK: packet mark (skb->mark) 932 * @NFT_META_IIF: packet input interface index (dev->ifindex) 933 * @NFT_META_OIF: packet output interface index (dev->ifindex) 934 * @NFT_META_IIFNAME: packet input interface name (dev->name) 935 * @NFT_META_OIFNAME: packet output interface name (dev->name) 936 * @NFT_META_IIFTYPE: packet input interface type (dev->type) 937 * @NFT_META_OIFTYPE: packet output interface type (dev->type) 938 * @NFT_META_SKUID: originating socket UID (fsuid) 939 * @NFT_META_SKGID: originating socket GID (fsgid) 940 * @NFT_META_NFTRACE: packet nftrace bit 941 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) 942 * @NFT_META_SECMARK: packet secmark (skb->secmark) 943 * @NFT_META_NFPROTO: netfilter protocol 944 * @NFT_META_L4PROTO: layer 4 protocol number 945 * @NFT_META_BRI_IIFNAME: packet input bridge interface name 946 * @NFT_META_BRI_OIFNAME: packet output bridge interface name 947 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback 948 * @NFT_META_CPU: cpu id through smp_processor_id() 949 * @NFT_META_IIFGROUP: packet input interface group 950 * @NFT_META_OIFGROUP: packet output interface group 951 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) 952 * @NFT_META_PRANDOM: a 32bit pseudo-random number 953 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp) 954 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind) 955 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind) 956 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid 957 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto 958 * @NFT_META_TIME_NS: time since epoch (in nanoseconds) 959 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday) 960 * @NFT_META_TIME_HOUR: hour of day (in seconds) 961 * @NFT_META_SDIF: slave device interface index 962 * @NFT_META_SDIFNAME: slave device interface name 963 * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit 964 */ 965 enum nft_meta_keys { 966 NFT_META_LEN, 967 NFT_META_PROTOCOL, 968 NFT_META_PRIORITY, 969 NFT_META_MARK, 970 NFT_META_IIF, 971 NFT_META_OIF, 972 NFT_META_IIFNAME, 973 NFT_META_OIFNAME, 974 NFT_META_IFTYPE, 975 #define NFT_META_IIFTYPE NFT_META_IFTYPE 976 NFT_META_OIFTYPE, 977 NFT_META_SKUID, 978 NFT_META_SKGID, 979 NFT_META_NFTRACE, 980 NFT_META_RTCLASSID, 981 NFT_META_SECMARK, 982 NFT_META_NFPROTO, 983 NFT_META_L4PROTO, 984 NFT_META_BRI_IIFNAME, 985 NFT_META_BRI_OIFNAME, 986 NFT_META_PKTTYPE, 987 NFT_META_CPU, 988 NFT_META_IIFGROUP, 989 NFT_META_OIFGROUP, 990 NFT_META_CGROUP, 991 NFT_META_PRANDOM, 992 NFT_META_SECPATH, 993 NFT_META_IIFKIND, 994 NFT_META_OIFKIND, 995 NFT_META_BRI_IIFPVID, 996 NFT_META_BRI_IIFVPROTO, 997 NFT_META_TIME_NS, 998 NFT_META_TIME_DAY, 999 NFT_META_TIME_HOUR, 1000 NFT_META_SDIF, 1001 NFT_META_SDIFNAME, 1002 NFT_META_BRI_BROUTE, 1003 __NFT_META_IIFTYPE, 1004 }; 1005 1006 /** 1007 * enum nft_rt_keys - nf_tables routing expression keys 1008 * 1009 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid) 1010 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4 1011 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6 1012 * @NFT_RT_TCPMSS: fetch current path tcp mss 1013 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL 1014 */ 1015 enum nft_rt_keys { 1016 NFT_RT_CLASSID, 1017 NFT_RT_NEXTHOP4, 1018 NFT_RT_NEXTHOP6, 1019 NFT_RT_TCPMSS, 1020 NFT_RT_XFRM, 1021 __NFT_RT_MAX 1022 }; 1023 #define NFT_RT_MAX (__NFT_RT_MAX - 1) 1024 1025 /** 1026 * enum nft_hash_types - nf_tables hash expression types 1027 * 1028 * @NFT_HASH_JENKINS: Jenkins Hash 1029 * @NFT_HASH_SYM: Symmetric Hash 1030 */ 1031 enum nft_hash_types { 1032 NFT_HASH_JENKINS, 1033 NFT_HASH_SYM, 1034 }; 1035 1036 /** 1037 * enum nft_hash_attributes - nf_tables hash expression netlink attributes 1038 * 1039 * @NFTA_HASH_SREG: source register (NLA_U32) 1040 * @NFTA_HASH_DREG: destination register (NLA_U32) 1041 * @NFTA_HASH_LEN: source data length (NLA_U32) 1042 * @NFTA_HASH_MODULUS: modulus value (NLA_U32) 1043 * @NFTA_HASH_SEED: seed value (NLA_U32) 1044 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) 1045 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types) 1046 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING) 1047 * @NFTA_HASH_SET_ID: id of the map (NLA_U32) 1048 */ 1049 enum nft_hash_attributes { 1050 NFTA_HASH_UNSPEC, 1051 NFTA_HASH_SREG, 1052 NFTA_HASH_DREG, 1053 NFTA_HASH_LEN, 1054 NFTA_HASH_MODULUS, 1055 NFTA_HASH_SEED, 1056 NFTA_HASH_OFFSET, 1057 NFTA_HASH_TYPE, 1058 NFTA_HASH_SET_NAME, /* deprecated */ 1059 NFTA_HASH_SET_ID, /* deprecated */ 1060 __NFTA_HASH_MAX, 1061 }; 1062 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1) 1063 1064 /** 1065 * enum nft_meta_attributes - nf_tables meta expression netlink attributes 1066 * 1067 * @NFTA_META_DREG: destination register (NLA_U32) 1068 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) 1069 * @NFTA_META_SREG: source register (NLA_U32) 1070 */ 1071 enum nft_meta_attributes { 1072 NFTA_META_UNSPEC, 1073 NFTA_META_DREG, 1074 NFTA_META_KEY, 1075 NFTA_META_SREG, 1076 __NFTA_META_MAX 1077 }; 1078 #define NFTA_META_MAX (__NFTA_META_MAX - 1) 1079 1080 /** 1081 * enum nft_rt_attributes - nf_tables routing expression netlink attributes 1082 * 1083 * @NFTA_RT_DREG: destination register (NLA_U32) 1084 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys) 1085 */ 1086 enum nft_rt_attributes { 1087 NFTA_RT_UNSPEC, 1088 NFTA_RT_DREG, 1089 NFTA_RT_KEY, 1090 __NFTA_RT_MAX 1091 }; 1092 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1) 1093 1094 /** 1095 * enum nft_socket_attributes - nf_tables socket expression netlink attributes 1096 * 1097 * @NFTA_SOCKET_KEY: socket key to match 1098 * @NFTA_SOCKET_DREG: destination register 1099 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2) 1100 */ 1101 enum nft_socket_attributes { 1102 NFTA_SOCKET_UNSPEC, 1103 NFTA_SOCKET_KEY, 1104 NFTA_SOCKET_DREG, 1105 NFTA_SOCKET_LEVEL, 1106 __NFTA_SOCKET_MAX 1107 }; 1108 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1) 1109 1110 /* 1111 * enum nft_socket_keys - nf_tables socket expression keys 1112 * 1113 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option 1114 * @NFT_SOCKET_MARK: Value of the socket mark 1115 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0) 1116 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2 1117 */ 1118 enum nft_socket_keys { 1119 NFT_SOCKET_TRANSPARENT, 1120 NFT_SOCKET_MARK, 1121 NFT_SOCKET_WILDCARD, 1122 NFT_SOCKET_CGROUPV2, 1123 __NFT_SOCKET_MAX 1124 }; 1125 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1) 1126 1127 /** 1128 * enum nft_ct_keys - nf_tables ct expression keys 1129 * 1130 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) 1131 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) 1132 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) 1133 * @NFT_CT_MARK: conntrack mark value 1134 * @NFT_CT_SECMARK: conntrack secmark value 1135 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms 1136 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack 1137 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol 1138 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated) 1139 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated) 1140 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol 1141 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source 1142 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination 1143 * @NFT_CT_LABELS: conntrack labels 1144 * @NFT_CT_PKTS: conntrack packets 1145 * @NFT_CT_BYTES: conntrack bytes 1146 * @NFT_CT_AVGPKT: conntrack average bytes per packet 1147 * @NFT_CT_ZONE: conntrack zone 1148 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack 1149 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address) 1150 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address) 1151 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address) 1152 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address) 1153 * @NFT_CT_ID: conntrack id 1154 */ 1155 enum nft_ct_keys { 1156 NFT_CT_STATE, 1157 NFT_CT_DIRECTION, 1158 NFT_CT_STATUS, 1159 NFT_CT_MARK, 1160 NFT_CT_SECMARK, 1161 NFT_CT_EXPIRATION, 1162 NFT_CT_HELPER, 1163 NFT_CT_L3PROTOCOL, 1164 NFT_CT_SRC, 1165 NFT_CT_DST, 1166 NFT_CT_PROTOCOL, 1167 NFT_CT_PROTO_SRC, 1168 NFT_CT_PROTO_DST, 1169 NFT_CT_LABELS, 1170 NFT_CT_PKTS, 1171 NFT_CT_BYTES, 1172 NFT_CT_AVGPKT, 1173 NFT_CT_ZONE, 1174 NFT_CT_EVENTMASK, 1175 NFT_CT_SRC_IP, 1176 NFT_CT_DST_IP, 1177 NFT_CT_SRC_IP6, 1178 NFT_CT_DST_IP6, 1179 NFT_CT_ID, 1180 __NFT_CT_MAX 1181 }; 1182 #define NFT_CT_MAX (__NFT_CT_MAX - 1) 1183 1184 /** 1185 * enum nft_ct_attributes - nf_tables ct expression netlink attributes 1186 * 1187 * @NFTA_CT_DREG: destination register (NLA_U32) 1188 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) 1189 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) 1190 * @NFTA_CT_SREG: source register (NLA_U32) 1191 */ 1192 enum nft_ct_attributes { 1193 NFTA_CT_UNSPEC, 1194 NFTA_CT_DREG, 1195 NFTA_CT_KEY, 1196 NFTA_CT_DIRECTION, 1197 NFTA_CT_SREG, 1198 __NFTA_CT_MAX 1199 }; 1200 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) 1201 1202 /** 1203 * enum nft_flow_attributes - ct offload expression attributes 1204 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING) 1205 */ 1206 enum nft_offload_attributes { 1207 NFTA_FLOW_UNSPEC, 1208 NFTA_FLOW_TABLE_NAME, 1209 __NFTA_FLOW_MAX, 1210 }; 1211 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1) 1212 1213 enum nft_limit_type { 1214 NFT_LIMIT_PKTS, 1215 NFT_LIMIT_PKT_BYTES 1216 }; 1217 1218 enum nft_limit_flags { 1219 NFT_LIMIT_F_INV = (1 << 0), 1220 }; 1221 1222 /** 1223 * enum nft_limit_attributes - nf_tables limit expression netlink attributes 1224 * 1225 * @NFTA_LIMIT_RATE: refill rate (NLA_U64) 1226 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) 1227 * @NFTA_LIMIT_BURST: burst (NLA_U32) 1228 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) 1229 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) 1230 */ 1231 enum nft_limit_attributes { 1232 NFTA_LIMIT_UNSPEC, 1233 NFTA_LIMIT_RATE, 1234 NFTA_LIMIT_UNIT, 1235 NFTA_LIMIT_BURST, 1236 NFTA_LIMIT_TYPE, 1237 NFTA_LIMIT_FLAGS, 1238 NFTA_LIMIT_PAD, 1239 __NFTA_LIMIT_MAX 1240 }; 1241 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) 1242 1243 enum nft_connlimit_flags { 1244 NFT_CONNLIMIT_F_INV = (1 << 0), 1245 }; 1246 1247 /** 1248 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes 1249 * 1250 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32) 1251 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags) 1252 */ 1253 enum nft_connlimit_attributes { 1254 NFTA_CONNLIMIT_UNSPEC, 1255 NFTA_CONNLIMIT_COUNT, 1256 NFTA_CONNLIMIT_FLAGS, 1257 __NFTA_CONNLIMIT_MAX 1258 }; 1259 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1) 1260 1261 /** 1262 * enum nft_counter_attributes - nf_tables counter expression netlink attributes 1263 * 1264 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) 1265 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) 1266 */ 1267 enum nft_counter_attributes { 1268 NFTA_COUNTER_UNSPEC, 1269 NFTA_COUNTER_BYTES, 1270 NFTA_COUNTER_PACKETS, 1271 NFTA_COUNTER_PAD, 1272 __NFTA_COUNTER_MAX 1273 }; 1274 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) 1275 1276 /** 1277 * enum nft_last_attributes - nf_tables last expression netlink attributes 1278 * 1279 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32) 1280 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64) 1281 */ 1282 enum nft_last_attributes { 1283 NFTA_LAST_UNSPEC, 1284 NFTA_LAST_SET, 1285 NFTA_LAST_MSECS, 1286 NFTA_LAST_PAD, 1287 __NFTA_LAST_MAX 1288 }; 1289 #define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1) 1290 1291 /** 1292 * enum nft_log_attributes - nf_tables log expression netlink attributes 1293 * 1294 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16) 1295 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) 1296 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) 1297 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16) 1298 * @NFTA_LOG_LEVEL: log level (NLA_U32) 1299 * @NFTA_LOG_FLAGS: logging flags (NLA_U32) 1300 */ 1301 enum nft_log_attributes { 1302 NFTA_LOG_UNSPEC, 1303 NFTA_LOG_GROUP, 1304 NFTA_LOG_PREFIX, 1305 NFTA_LOG_SNAPLEN, 1306 NFTA_LOG_QTHRESHOLD, 1307 NFTA_LOG_LEVEL, 1308 NFTA_LOG_FLAGS, 1309 __NFTA_LOG_MAX 1310 }; 1311 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) 1312 1313 /** 1314 * enum nft_log_level - nf_tables log levels 1315 * 1316 * @NFT_LOGLEVEL_EMERG: system is unusable 1317 * @NFT_LOGLEVEL_ALERT: action must be taken immediately 1318 * @NFT_LOGLEVEL_CRIT: critical conditions 1319 * @NFT_LOGLEVEL_ERR: error conditions 1320 * @NFT_LOGLEVEL_WARNING: warning conditions 1321 * @NFT_LOGLEVEL_NOTICE: normal but significant condition 1322 * @NFT_LOGLEVEL_INFO: informational 1323 * @NFT_LOGLEVEL_DEBUG: debug-level messages 1324 * @NFT_LOGLEVEL_AUDIT: enabling audit logging 1325 */ 1326 enum nft_log_level { 1327 NFT_LOGLEVEL_EMERG, 1328 NFT_LOGLEVEL_ALERT, 1329 NFT_LOGLEVEL_CRIT, 1330 NFT_LOGLEVEL_ERR, 1331 NFT_LOGLEVEL_WARNING, 1332 NFT_LOGLEVEL_NOTICE, 1333 NFT_LOGLEVEL_INFO, 1334 NFT_LOGLEVEL_DEBUG, 1335 NFT_LOGLEVEL_AUDIT, 1336 __NFT_LOGLEVEL_MAX 1337 }; 1338 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1) 1339 1340 /** 1341 * enum nft_queue_attributes - nf_tables queue expression netlink attributes 1342 * 1343 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) 1344 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) 1345 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) 1346 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) 1347 */ 1348 enum nft_queue_attributes { 1349 NFTA_QUEUE_UNSPEC, 1350 NFTA_QUEUE_NUM, 1351 NFTA_QUEUE_TOTAL, 1352 NFTA_QUEUE_FLAGS, 1353 NFTA_QUEUE_SREG_QNUM, 1354 __NFTA_QUEUE_MAX 1355 }; 1356 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) 1357 1358 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ 1359 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ 1360 #define NFT_QUEUE_FLAG_MASK 0x03 1361 1362 enum nft_quota_flags { 1363 NFT_QUOTA_F_INV = (1 << 0), 1364 NFT_QUOTA_F_DEPLETED = (1 << 1), 1365 }; 1366 1367 /** 1368 * enum nft_quota_attributes - nf_tables quota expression netlink attributes 1369 * 1370 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) 1371 * @NFTA_QUOTA_FLAGS: flags (NLA_U32) 1372 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64) 1373 */ 1374 enum nft_quota_attributes { 1375 NFTA_QUOTA_UNSPEC, 1376 NFTA_QUOTA_BYTES, 1377 NFTA_QUOTA_FLAGS, 1378 NFTA_QUOTA_PAD, 1379 NFTA_QUOTA_CONSUMED, 1380 __NFTA_QUOTA_MAX 1381 }; 1382 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1) 1383 1384 /** 1385 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes 1386 * 1387 * @NFTA_SECMARK_CTX: security context (NLA_STRING) 1388 */ 1389 enum nft_secmark_attributes { 1390 NFTA_SECMARK_UNSPEC, 1391 NFTA_SECMARK_CTX, 1392 __NFTA_SECMARK_MAX, 1393 }; 1394 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) 1395 1396 /* Max security context length */ 1397 #define NFT_SECMARK_CTX_MAXLEN 4096 1398 1399 /** 1400 * enum nft_reject_types - nf_tables reject expression reject types 1401 * 1402 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable 1403 * @NFT_REJECT_TCP_RST: reject using TCP RST 1404 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet 1405 */ 1406 enum nft_reject_types { 1407 NFT_REJECT_ICMP_UNREACH, 1408 NFT_REJECT_TCP_RST, 1409 NFT_REJECT_ICMPX_UNREACH, 1410 }; 1411 1412 /** 1413 * enum nft_reject_code - Generic reject codes for IPv4/IPv6 1414 * 1415 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable 1416 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable 1417 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable 1418 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited 1419 * 1420 * These codes are mapped to real ICMP and ICMPv6 codes. 1421 */ 1422 enum nft_reject_inet_code { 1423 NFT_REJECT_ICMPX_NO_ROUTE = 0, 1424 NFT_REJECT_ICMPX_PORT_UNREACH, 1425 NFT_REJECT_ICMPX_HOST_UNREACH, 1426 NFT_REJECT_ICMPX_ADMIN_PROHIBITED, 1427 __NFT_REJECT_ICMPX_MAX 1428 }; 1429 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) 1430 1431 /** 1432 * enum nft_reject_attributes - nf_tables reject expression netlink attributes 1433 * 1434 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) 1435 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) 1436 */ 1437 enum nft_reject_attributes { 1438 NFTA_REJECT_UNSPEC, 1439 NFTA_REJECT_TYPE, 1440 NFTA_REJECT_ICMP_CODE, 1441 __NFTA_REJECT_MAX 1442 }; 1443 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) 1444 1445 /** 1446 * enum nft_nat_types - nf_tables nat expression NAT types 1447 * 1448 * @NFT_NAT_SNAT: source NAT 1449 * @NFT_NAT_DNAT: destination NAT 1450 */ 1451 enum nft_nat_types { 1452 NFT_NAT_SNAT, 1453 NFT_NAT_DNAT, 1454 }; 1455 1456 /** 1457 * enum nft_nat_attributes - nf_tables nat expression netlink attributes 1458 * 1459 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) 1460 * @NFTA_NAT_FAMILY: NAT family (NLA_U32) 1461 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) 1462 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) 1463 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1464 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1465 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1466 */ 1467 enum nft_nat_attributes { 1468 NFTA_NAT_UNSPEC, 1469 NFTA_NAT_TYPE, 1470 NFTA_NAT_FAMILY, 1471 NFTA_NAT_REG_ADDR_MIN, 1472 NFTA_NAT_REG_ADDR_MAX, 1473 NFTA_NAT_REG_PROTO_MIN, 1474 NFTA_NAT_REG_PROTO_MAX, 1475 NFTA_NAT_FLAGS, 1476 __NFTA_NAT_MAX 1477 }; 1478 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) 1479 1480 /** 1481 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes 1482 * 1483 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers) 1484 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers) 1485 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers) 1486 */ 1487 enum nft_tproxy_attributes { 1488 NFTA_TPROXY_UNSPEC, 1489 NFTA_TPROXY_FAMILY, 1490 NFTA_TPROXY_REG_ADDR, 1491 NFTA_TPROXY_REG_PORT, 1492 __NFTA_TPROXY_MAX 1493 }; 1494 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1) 1495 1496 /** 1497 * enum nft_masq_attributes - nf_tables masquerade expression attributes 1498 * 1499 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1500 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1501 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1502 */ 1503 enum nft_masq_attributes { 1504 NFTA_MASQ_UNSPEC, 1505 NFTA_MASQ_FLAGS, 1506 NFTA_MASQ_REG_PROTO_MIN, 1507 NFTA_MASQ_REG_PROTO_MAX, 1508 __NFTA_MASQ_MAX 1509 }; 1510 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) 1511 1512 /** 1513 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes 1514 * 1515 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1516 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1517 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1518 */ 1519 enum nft_redir_attributes { 1520 NFTA_REDIR_UNSPEC, 1521 NFTA_REDIR_REG_PROTO_MIN, 1522 NFTA_REDIR_REG_PROTO_MAX, 1523 NFTA_REDIR_FLAGS, 1524 __NFTA_REDIR_MAX 1525 }; 1526 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) 1527 1528 /** 1529 * enum nft_dup_attributes - nf_tables dup expression netlink attributes 1530 * 1531 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) 1532 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1533 */ 1534 enum nft_dup_attributes { 1535 NFTA_DUP_UNSPEC, 1536 NFTA_DUP_SREG_ADDR, 1537 NFTA_DUP_SREG_DEV, 1538 __NFTA_DUP_MAX 1539 }; 1540 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) 1541 1542 /** 1543 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes 1544 * 1545 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1546 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register) 1547 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto) 1548 */ 1549 enum nft_fwd_attributes { 1550 NFTA_FWD_UNSPEC, 1551 NFTA_FWD_SREG_DEV, 1552 NFTA_FWD_SREG_ADDR, 1553 NFTA_FWD_NFPROTO, 1554 __NFTA_FWD_MAX 1555 }; 1556 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1) 1557 1558 /** 1559 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes 1560 * 1561 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register) 1562 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING) 1563 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers) 1564 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING) 1565 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32) 1566 */ 1567 enum nft_objref_attributes { 1568 NFTA_OBJREF_UNSPEC, 1569 NFTA_OBJREF_IMM_TYPE, 1570 NFTA_OBJREF_IMM_NAME, 1571 NFTA_OBJREF_SET_SREG, 1572 NFTA_OBJREF_SET_NAME, 1573 NFTA_OBJREF_SET_ID, 1574 __NFTA_OBJREF_MAX 1575 }; 1576 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1) 1577 1578 /** 1579 * enum nft_gen_attributes - nf_tables ruleset generation attributes 1580 * 1581 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) 1582 */ 1583 enum nft_gen_attributes { 1584 NFTA_GEN_UNSPEC, 1585 NFTA_GEN_ID, 1586 NFTA_GEN_PROC_PID, 1587 NFTA_GEN_PROC_NAME, 1588 __NFTA_GEN_MAX 1589 }; 1590 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) 1591 1592 /* 1593 * enum nft_fib_attributes - nf_tables fib expression netlink attributes 1594 * 1595 * @NFTA_FIB_DREG: destination register (NLA_U32) 1596 * @NFTA_FIB_RESULT: desired result (NLA_U32) 1597 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) 1598 * 1599 * The FIB expression performs a route lookup according 1600 * to the packet data. 1601 */ 1602 enum nft_fib_attributes { 1603 NFTA_FIB_UNSPEC, 1604 NFTA_FIB_DREG, 1605 NFTA_FIB_RESULT, 1606 NFTA_FIB_FLAGS, 1607 __NFTA_FIB_MAX 1608 }; 1609 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1) 1610 1611 enum nft_fib_result { 1612 NFT_FIB_RESULT_UNSPEC, 1613 NFT_FIB_RESULT_OIF, 1614 NFT_FIB_RESULT_OIFNAME, 1615 NFT_FIB_RESULT_ADDRTYPE, 1616 __NFT_FIB_RESULT_MAX 1617 }; 1618 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1) 1619 1620 enum nft_fib_flags { 1621 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */ 1622 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */ 1623 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */ 1624 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */ 1625 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */ 1626 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */ 1627 }; 1628 1629 enum nft_ct_helper_attributes { 1630 NFTA_CT_HELPER_UNSPEC, 1631 NFTA_CT_HELPER_NAME, 1632 NFTA_CT_HELPER_L3PROTO, 1633 NFTA_CT_HELPER_L4PROTO, 1634 __NFTA_CT_HELPER_MAX, 1635 }; 1636 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1) 1637 1638 enum nft_ct_timeout_timeout_attributes { 1639 NFTA_CT_TIMEOUT_UNSPEC, 1640 NFTA_CT_TIMEOUT_L3PROTO, 1641 NFTA_CT_TIMEOUT_L4PROTO, 1642 NFTA_CT_TIMEOUT_DATA, 1643 __NFTA_CT_TIMEOUT_MAX, 1644 }; 1645 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1) 1646 1647 enum nft_ct_expectation_attributes { 1648 NFTA_CT_EXPECT_UNSPEC, 1649 NFTA_CT_EXPECT_L3PROTO, 1650 NFTA_CT_EXPECT_L4PROTO, 1651 NFTA_CT_EXPECT_DPORT, 1652 NFTA_CT_EXPECT_TIMEOUT, 1653 NFTA_CT_EXPECT_SIZE, 1654 __NFTA_CT_EXPECT_MAX, 1655 }; 1656 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1) 1657 1658 #define NFT_OBJECT_UNSPEC 0 1659 #define NFT_OBJECT_COUNTER 1 1660 #define NFT_OBJECT_QUOTA 2 1661 #define NFT_OBJECT_CT_HELPER 3 1662 #define NFT_OBJECT_LIMIT 4 1663 #define NFT_OBJECT_CONNLIMIT 5 1664 #define NFT_OBJECT_TUNNEL 6 1665 #define NFT_OBJECT_CT_TIMEOUT 7 1666 #define NFT_OBJECT_SECMARK 8 1667 #define NFT_OBJECT_CT_EXPECT 9 1668 #define NFT_OBJECT_SYNPROXY 10 1669 #define __NFT_OBJECT_MAX 11 1670 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1) 1671 1672 /** 1673 * enum nft_object_attributes - nf_tables stateful object netlink attributes 1674 * 1675 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING) 1676 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING) 1677 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32) 1678 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) 1679 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) 1680 * @NFTA_OBJ_HANDLE: object handle (NLA_U64) 1681 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY) 1682 */ 1683 enum nft_object_attributes { 1684 NFTA_OBJ_UNSPEC, 1685 NFTA_OBJ_TABLE, 1686 NFTA_OBJ_NAME, 1687 NFTA_OBJ_TYPE, 1688 NFTA_OBJ_DATA, 1689 NFTA_OBJ_USE, 1690 NFTA_OBJ_HANDLE, 1691 NFTA_OBJ_PAD, 1692 NFTA_OBJ_USERDATA, 1693 __NFTA_OBJ_MAX 1694 }; 1695 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1) 1696 1697 /** 1698 * enum nft_flowtable_flags - nf_tables flowtable flags 1699 * 1700 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled 1701 * @NFT_FLOWTABLE_COUNTER: enable flow counters 1702 */ 1703 enum nft_flowtable_flags { 1704 NFT_FLOWTABLE_HW_OFFLOAD = 0x1, 1705 NFT_FLOWTABLE_COUNTER = 0x2, 1706 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD | 1707 NFT_FLOWTABLE_COUNTER) 1708 }; 1709 1710 /** 1711 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes 1712 * 1713 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) 1714 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) 1715 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration (NLA_NESTED) 1716 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) 1717 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) 1718 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32) 1719 */ 1720 enum nft_flowtable_attributes { 1721 NFTA_FLOWTABLE_UNSPEC, 1722 NFTA_FLOWTABLE_TABLE, 1723 NFTA_FLOWTABLE_NAME, 1724 NFTA_FLOWTABLE_HOOK, 1725 NFTA_FLOWTABLE_USE, 1726 NFTA_FLOWTABLE_HANDLE, 1727 NFTA_FLOWTABLE_PAD, 1728 NFTA_FLOWTABLE_FLAGS, 1729 __NFTA_FLOWTABLE_MAX 1730 }; 1731 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1) 1732 1733 /** 1734 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes 1735 * 1736 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32) 1737 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 1738 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED) 1739 */ 1740 enum nft_flowtable_hook_attributes { 1741 NFTA_FLOWTABLE_HOOK_UNSPEC, 1742 NFTA_FLOWTABLE_HOOK_NUM, 1743 NFTA_FLOWTABLE_HOOK_PRIORITY, 1744 NFTA_FLOWTABLE_HOOK_DEVS, 1745 __NFTA_FLOWTABLE_HOOK_MAX 1746 }; 1747 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1) 1748 1749 /** 1750 * enum nft_osf_attributes - nftables osf expression netlink attributes 1751 * 1752 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers) 1753 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8) 1754 * @NFTA_OSF_FLAGS: flags (NLA_U32) 1755 */ 1756 enum nft_osf_attributes { 1757 NFTA_OSF_UNSPEC, 1758 NFTA_OSF_DREG, 1759 NFTA_OSF_TTL, 1760 NFTA_OSF_FLAGS, 1761 __NFTA_OSF_MAX, 1762 }; 1763 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1) 1764 1765 enum nft_osf_flags { 1766 NFT_OSF_F_VERSION = (1 << 0), 1767 }; 1768 1769 /** 1770 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes 1771 * 1772 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16) 1773 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8) 1774 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32) 1775 */ 1776 enum nft_synproxy_attributes { 1777 NFTA_SYNPROXY_UNSPEC, 1778 NFTA_SYNPROXY_MSS, 1779 NFTA_SYNPROXY_WSCALE, 1780 NFTA_SYNPROXY_FLAGS, 1781 __NFTA_SYNPROXY_MAX, 1782 }; 1783 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1) 1784 1785 /** 1786 * enum nft_device_attributes - nf_tables device netlink attributes 1787 * 1788 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING) 1789 * @NFTA_DEVICE_TABLE: table containing the flowtable or chain hooking into the device (NLA_STRING) 1790 * @NFTA_DEVICE_FLOWTABLE: flowtable hooking into the device (NLA_STRING) 1791 * @NFTA_DEVICE_CHAIN: chain hooking into the device (NLA_STRING) 1792 * @NFTA_DEVICE_SPEC: hook spec matching the device (NLA_STRING) 1793 */ 1794 enum nft_devices_attributes { 1795 NFTA_DEVICE_UNSPEC, 1796 NFTA_DEVICE_NAME, 1797 NFTA_DEVICE_TABLE, 1798 NFTA_DEVICE_FLOWTABLE, 1799 NFTA_DEVICE_CHAIN, 1800 NFTA_DEVICE_SPEC, 1801 __NFTA_DEVICE_MAX 1802 }; 1803 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1) 1804 1805 /* 1806 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes 1807 * 1808 * @NFTA_XFRM_DREG: destination register (NLA_U32) 1809 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32) 1810 * @NFTA_XFRM_DIR: direction (NLA_U8) 1811 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32) 1812 */ 1813 enum nft_xfrm_attributes { 1814 NFTA_XFRM_UNSPEC, 1815 NFTA_XFRM_DREG, 1816 NFTA_XFRM_KEY, 1817 NFTA_XFRM_DIR, 1818 NFTA_XFRM_SPNUM, 1819 __NFTA_XFRM_MAX 1820 }; 1821 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1) 1822 1823 enum nft_xfrm_keys { 1824 NFT_XFRM_KEY_UNSPEC, 1825 NFT_XFRM_KEY_DADDR_IP4, 1826 NFT_XFRM_KEY_DADDR_IP6, 1827 NFT_XFRM_KEY_SADDR_IP4, 1828 NFT_XFRM_KEY_SADDR_IP6, 1829 NFT_XFRM_KEY_REQID, 1830 NFT_XFRM_KEY_SPI, 1831 __NFT_XFRM_KEY_MAX, 1832 }; 1833 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1) 1834 1835 /** 1836 * enum nft_trace_attributes - nf_tables trace netlink attributes 1837 * 1838 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) 1839 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) 1840 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) 1841 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) 1842 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) 1843 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) 1844 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) 1845 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) 1846 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) 1847 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) 1848 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) 1849 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) 1850 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) 1851 * @NFTA_TRACE_MARK: nfmark (NLA_U32) 1852 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) 1853 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) 1854 * @NFTA_TRACE_CT_ID: conntrack id (NLA_U32) 1855 * @NFTA_TRACE_CT_DIRECTION: packets direction (NLA_U8) 1856 * @NFTA_TRACE_CT_STATUS: conntrack status (NLA_U32) 1857 * @NFTA_TRACE_CT_STATE: packet state (new, established, ...) (NLA_U32) 1858 */ 1859 enum nft_trace_attributes { 1860 NFTA_TRACE_UNSPEC, 1861 NFTA_TRACE_TABLE, 1862 NFTA_TRACE_CHAIN, 1863 NFTA_TRACE_RULE_HANDLE, 1864 NFTA_TRACE_TYPE, 1865 NFTA_TRACE_VERDICT, 1866 NFTA_TRACE_ID, 1867 NFTA_TRACE_LL_HEADER, 1868 NFTA_TRACE_NETWORK_HEADER, 1869 NFTA_TRACE_TRANSPORT_HEADER, 1870 NFTA_TRACE_IIF, 1871 NFTA_TRACE_IIFTYPE, 1872 NFTA_TRACE_OIF, 1873 NFTA_TRACE_OIFTYPE, 1874 NFTA_TRACE_MARK, 1875 NFTA_TRACE_NFPROTO, 1876 NFTA_TRACE_POLICY, 1877 NFTA_TRACE_PAD, 1878 NFTA_TRACE_CT_ID, 1879 NFTA_TRACE_CT_DIRECTION, 1880 NFTA_TRACE_CT_STATUS, 1881 NFTA_TRACE_CT_STATE, 1882 __NFTA_TRACE_MAX 1883 }; 1884 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1) 1885 1886 enum nft_trace_types { 1887 NFT_TRACETYPE_UNSPEC, 1888 NFT_TRACETYPE_POLICY, 1889 NFT_TRACETYPE_RETURN, 1890 NFT_TRACETYPE_RULE, 1891 __NFT_TRACETYPE_MAX 1892 }; 1893 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) 1894 1895 /** 1896 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes 1897 * 1898 * @NFTA_NG_DREG: destination register (NLA_U32) 1899 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) 1900 * @NFTA_NG_TYPE: operation type (NLA_U32) 1901 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) 1902 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING) 1903 * @NFTA_NG_SET_ID: id of the map (NLA_U32) 1904 */ 1905 enum nft_ng_attributes { 1906 NFTA_NG_UNSPEC, 1907 NFTA_NG_DREG, 1908 NFTA_NG_MODULUS, 1909 NFTA_NG_TYPE, 1910 NFTA_NG_OFFSET, 1911 NFTA_NG_SET_NAME, /* deprecated */ 1912 NFTA_NG_SET_ID, /* deprecated */ 1913 __NFTA_NG_MAX 1914 }; 1915 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1) 1916 1917 enum nft_ng_types { 1918 NFT_NG_INCREMENTAL, 1919 NFT_NG_RANDOM, 1920 __NFT_NG_MAX 1921 }; 1922 #define NFT_NG_MAX (__NFT_NG_MAX - 1) 1923 1924 enum nft_tunnel_key_ip_attributes { 1925 NFTA_TUNNEL_KEY_IP_UNSPEC, 1926 NFTA_TUNNEL_KEY_IP_SRC, 1927 NFTA_TUNNEL_KEY_IP_DST, 1928 __NFTA_TUNNEL_KEY_IP_MAX 1929 }; 1930 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1) 1931 1932 enum nft_tunnel_ip6_attributes { 1933 NFTA_TUNNEL_KEY_IP6_UNSPEC, 1934 NFTA_TUNNEL_KEY_IP6_SRC, 1935 NFTA_TUNNEL_KEY_IP6_DST, 1936 NFTA_TUNNEL_KEY_IP6_FLOWLABEL, 1937 __NFTA_TUNNEL_KEY_IP6_MAX 1938 }; 1939 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1) 1940 1941 enum nft_tunnel_opts_attributes { 1942 NFTA_TUNNEL_KEY_OPTS_UNSPEC, 1943 NFTA_TUNNEL_KEY_OPTS_VXLAN, 1944 NFTA_TUNNEL_KEY_OPTS_ERSPAN, 1945 NFTA_TUNNEL_KEY_OPTS_GENEVE, 1946 __NFTA_TUNNEL_KEY_OPTS_MAX 1947 }; 1948 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1) 1949 1950 enum nft_tunnel_opts_vxlan_attributes { 1951 NFTA_TUNNEL_KEY_VXLAN_UNSPEC, 1952 NFTA_TUNNEL_KEY_VXLAN_GBP, 1953 __NFTA_TUNNEL_KEY_VXLAN_MAX 1954 }; 1955 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1) 1956 1957 enum nft_tunnel_opts_erspan_attributes { 1958 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC, 1959 NFTA_TUNNEL_KEY_ERSPAN_VERSION, 1960 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX, 1961 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID, 1962 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR, 1963 __NFTA_TUNNEL_KEY_ERSPAN_MAX 1964 }; 1965 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1) 1966 1967 enum nft_tunnel_opts_geneve_attributes { 1968 NFTA_TUNNEL_KEY_GENEVE_UNSPEC, 1969 NFTA_TUNNEL_KEY_GENEVE_CLASS, 1970 NFTA_TUNNEL_KEY_GENEVE_TYPE, 1971 NFTA_TUNNEL_KEY_GENEVE_DATA, 1972 __NFTA_TUNNEL_KEY_GENEVE_MAX 1973 }; 1974 #define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1) 1975 1976 enum nft_tunnel_flags { 1977 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0), 1978 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1), 1979 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2), 1980 }; 1981 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \ 1982 NFT_TUNNEL_F_DONT_FRAGMENT | \ 1983 NFT_TUNNEL_F_SEQ_NUMBER) 1984 1985 enum nft_tunnel_key_attributes { 1986 NFTA_TUNNEL_KEY_UNSPEC, 1987 NFTA_TUNNEL_KEY_ID, 1988 NFTA_TUNNEL_KEY_IP, 1989 NFTA_TUNNEL_KEY_IP6, 1990 NFTA_TUNNEL_KEY_FLAGS, 1991 NFTA_TUNNEL_KEY_TOS, 1992 NFTA_TUNNEL_KEY_TTL, 1993 NFTA_TUNNEL_KEY_SPORT, 1994 NFTA_TUNNEL_KEY_DPORT, 1995 NFTA_TUNNEL_KEY_OPTS, 1996 __NFTA_TUNNEL_KEY_MAX 1997 }; 1998 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1) 1999 2000 enum nft_tunnel_keys { 2001 NFT_TUNNEL_PATH, 2002 NFT_TUNNEL_ID, 2003 __NFT_TUNNEL_MAX 2004 }; 2005 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1) 2006 2007 enum nft_tunnel_mode { 2008 NFT_TUNNEL_MODE_NONE, 2009 NFT_TUNNEL_MODE_RX, 2010 NFT_TUNNEL_MODE_TX, 2011 __NFT_TUNNEL_MODE_MAX 2012 }; 2013 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1) 2014 2015 enum nft_tunnel_attributes { 2016 NFTA_TUNNEL_UNSPEC, 2017 NFTA_TUNNEL_KEY, 2018 NFTA_TUNNEL_DREG, 2019 NFTA_TUNNEL_MODE, 2020 __NFTA_TUNNEL_MAX 2021 }; 2022 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1) 2023 2024 #endif /* _LINUX_NF_TABLES_H */ 2025