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 #ifdef __KERNEL__ 50 #define NFT_REG32_MAX NFT_REG32_15 51 #endif 52 53 #define NFT_REG_SIZE 16 54 #define NFT_REG32_SIZE 4 55 #define NFT_REG32_COUNT (NFT_REG32_15 - NFT_REG32_00 + 1) 56 57 /** 58 * enum nft_verdicts - nf_tables internal verdicts 59 * 60 * @NFT_CONTINUE: continue evaluation of the current rule 61 * @NFT_BREAK: terminate evaluation of the current rule 62 * @NFT_JUMP: push the current chain on the jump stack and jump to a chain 63 * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack 64 * @NFT_RETURN: return to the topmost chain on the jump stack 65 * 66 * The nf_tables verdicts share their numeric space with the netfilter verdicts. 67 */ 68 enum nft_verdicts { 69 NFT_CONTINUE = -1, 70 NFT_BREAK = -2, 71 NFT_JUMP = -3, 72 NFT_GOTO = -4, 73 NFT_RETURN = -5, 74 }; 75 76 /** 77 * enum nf_tables_msg_types - nf_tables netlink message types 78 * 79 * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes) 80 * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes) 81 * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes) 82 * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes) 83 * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes) 84 * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes) 85 * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes) 86 * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes) 87 * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes) 88 * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes) 89 * @NFT_MSG_GETSET: get a set (enum nft_set_attributes) 90 * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes) 91 * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes) 92 * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes) 93 * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes) 94 * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes) 95 * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes) 96 * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes) 97 * @NFT_MSG_NEWOBJ: create a stateful object (enum nft_obj_attributes) 98 * @NFT_MSG_GETOBJ: get a stateful object (enum nft_obj_attributes) 99 * @NFT_MSG_DELOBJ: delete a stateful object (enum nft_obj_attributes) 100 * @NFT_MSG_GETOBJ_RESET: get and reset a stateful object (enum nft_obj_attributes) 101 * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes) 102 * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes) 103 * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes) 104 * @NFT_MSG_GETRULE_RESET: get rules and reset stateful expressions (enum nft_obj_attributes) 105 * @NFT_MSG_DESTROYTABLE: destroy a table (enum nft_table_attributes) 106 * @NFT_MSG_DESTROYCHAIN: destroy a chain (enum nft_chain_attributes) 107 * @NFT_MSG_DESTROYRULE: destroy a rule (enum nft_rule_attributes) 108 * @NFT_MSG_DESTROYSET: destroy a set (enum nft_set_attributes) 109 * @NFT_MSG_DESTROYSETELEM: destroy a set element (enum nft_set_elem_attributes) 110 * @NFT_MSG_DESTROYOBJ: destroy a stateful object (enum nft_object_attributes) 111 * @NFT_MSG_DESTROYFLOWTABLE: destroy flow table (enum nft_flowtable_attributes) 112 * @NFT_MSG_GETSETELEM_RESET: get set elements and reset attached stateful expressions (enum nft_set_elem_attributes) 113 */ 114 enum nf_tables_msg_types { 115 NFT_MSG_NEWTABLE, 116 NFT_MSG_GETTABLE, 117 NFT_MSG_DELTABLE, 118 NFT_MSG_NEWCHAIN, 119 NFT_MSG_GETCHAIN, 120 NFT_MSG_DELCHAIN, 121 NFT_MSG_NEWRULE, 122 NFT_MSG_GETRULE, 123 NFT_MSG_DELRULE, 124 NFT_MSG_NEWSET, 125 NFT_MSG_GETSET, 126 NFT_MSG_DELSET, 127 NFT_MSG_NEWSETELEM, 128 NFT_MSG_GETSETELEM, 129 NFT_MSG_DELSETELEM, 130 NFT_MSG_NEWGEN, 131 NFT_MSG_GETGEN, 132 NFT_MSG_TRACE, 133 NFT_MSG_NEWOBJ, 134 NFT_MSG_GETOBJ, 135 NFT_MSG_DELOBJ, 136 NFT_MSG_GETOBJ_RESET, 137 NFT_MSG_NEWFLOWTABLE, 138 NFT_MSG_GETFLOWTABLE, 139 NFT_MSG_DELFLOWTABLE, 140 NFT_MSG_GETRULE_RESET, 141 NFT_MSG_DESTROYTABLE, 142 NFT_MSG_DESTROYCHAIN, 143 NFT_MSG_DESTROYRULE, 144 NFT_MSG_DESTROYSET, 145 NFT_MSG_DESTROYSETELEM, 146 NFT_MSG_DESTROYOBJ, 147 NFT_MSG_DESTROYFLOWTABLE, 148 NFT_MSG_GETSETELEM_RESET, 149 NFT_MSG_MAX, 150 }; 151 152 /** 153 * enum nft_list_attributes - nf_tables generic list netlink attributes 154 * 155 * @NFTA_LIST_ELEM: list element (NLA_NESTED) 156 */ 157 enum nft_list_attributes { 158 NFTA_LIST_UNSPEC, 159 NFTA_LIST_ELEM, 160 __NFTA_LIST_MAX 161 }; 162 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) 163 164 /** 165 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes 166 * 167 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) 168 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 169 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING) 170 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED) 171 */ 172 enum nft_hook_attributes { 173 NFTA_HOOK_UNSPEC, 174 NFTA_HOOK_HOOKNUM, 175 NFTA_HOOK_PRIORITY, 176 NFTA_HOOK_DEV, 177 NFTA_HOOK_DEVS, 178 __NFTA_HOOK_MAX 179 }; 180 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) 181 182 /** 183 * enum nft_table_flags - nf_tables table flags 184 * 185 * @NFT_TABLE_F_DORMANT: this table is not active 186 * @NFT_TABLE_F_OWNER: this table is owned by a process 187 * @NFT_TABLE_F_PERSIST: this table shall outlive its owner 188 */ 189 enum nft_table_flags { 190 NFT_TABLE_F_DORMANT = 0x1, 191 NFT_TABLE_F_OWNER = 0x2, 192 NFT_TABLE_F_PERSIST = 0x4, 193 }; 194 #define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | \ 195 NFT_TABLE_F_OWNER | \ 196 NFT_TABLE_F_PERSIST) 197 198 /** 199 * enum nft_table_attributes - nf_tables table netlink attributes 200 * 201 * @NFTA_TABLE_NAME: name of the table (NLA_STRING) 202 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) 203 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) 204 * @NFTA_TABLE_USERDATA: user data (NLA_BINARY) 205 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32) 206 */ 207 enum nft_table_attributes { 208 NFTA_TABLE_UNSPEC, 209 NFTA_TABLE_NAME, 210 NFTA_TABLE_FLAGS, 211 NFTA_TABLE_USE, 212 NFTA_TABLE_HANDLE, 213 NFTA_TABLE_PAD, 214 NFTA_TABLE_USERDATA, 215 NFTA_TABLE_OWNER, 216 __NFTA_TABLE_MAX 217 }; 218 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) 219 220 enum nft_chain_flags { 221 NFT_CHAIN_BASE = (1 << 0), 222 NFT_CHAIN_HW_OFFLOAD = (1 << 1), 223 NFT_CHAIN_BINDING = (1 << 2), 224 }; 225 #define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \ 226 NFT_CHAIN_HW_OFFLOAD | \ 227 NFT_CHAIN_BINDING) 228 229 /** 230 * enum nft_chain_attributes - nf_tables chain netlink attributes 231 * 232 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) 233 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) 234 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) 235 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) 236 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) 237 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) 238 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) 239 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) 240 * @NFTA_CHAIN_FLAGS: chain flags 241 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32) 242 * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY) 243 */ 244 enum nft_chain_attributes { 245 NFTA_CHAIN_UNSPEC, 246 NFTA_CHAIN_TABLE, 247 NFTA_CHAIN_HANDLE, 248 NFTA_CHAIN_NAME, 249 NFTA_CHAIN_HOOK, 250 NFTA_CHAIN_POLICY, 251 NFTA_CHAIN_USE, 252 NFTA_CHAIN_TYPE, 253 NFTA_CHAIN_COUNTERS, 254 NFTA_CHAIN_PAD, 255 NFTA_CHAIN_FLAGS, 256 NFTA_CHAIN_ID, 257 NFTA_CHAIN_USERDATA, 258 __NFTA_CHAIN_MAX 259 }; 260 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) 261 262 /** 263 * enum nft_rule_attributes - nf_tables rule netlink attributes 264 * 265 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) 266 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) 267 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) 268 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) 269 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) 270 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) 271 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) 272 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32) 273 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32) 274 * @NFTA_RULE_CHAIN_ID: add the rule to chain by ID, alternative to @NFTA_RULE_CHAIN (NLA_U32) 275 */ 276 enum nft_rule_attributes { 277 NFTA_RULE_UNSPEC, 278 NFTA_RULE_TABLE, 279 NFTA_RULE_CHAIN, 280 NFTA_RULE_HANDLE, 281 NFTA_RULE_EXPRESSIONS, 282 NFTA_RULE_COMPAT, 283 NFTA_RULE_POSITION, 284 NFTA_RULE_USERDATA, 285 NFTA_RULE_PAD, 286 NFTA_RULE_ID, 287 NFTA_RULE_POSITION_ID, 288 NFTA_RULE_CHAIN_ID, 289 __NFTA_RULE_MAX 290 }; 291 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) 292 293 /** 294 * enum nft_rule_compat_flags - nf_tables rule compat flags 295 * 296 * @NFT_RULE_COMPAT_F_UNUSED: unused 297 * @NFT_RULE_COMPAT_F_INV: invert the check result 298 */ 299 enum nft_rule_compat_flags { 300 NFT_RULE_COMPAT_F_UNUSED = (1 << 0), 301 NFT_RULE_COMPAT_F_INV = (1 << 1), 302 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, 303 }; 304 305 /** 306 * enum nft_rule_compat_attributes - nf_tables rule compat attributes 307 * 308 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32) 309 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) 310 */ 311 enum nft_rule_compat_attributes { 312 NFTA_RULE_COMPAT_UNSPEC, 313 NFTA_RULE_COMPAT_PROTO, 314 NFTA_RULE_COMPAT_FLAGS, 315 __NFTA_RULE_COMPAT_MAX 316 }; 317 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) 318 319 /** 320 * enum nft_set_flags - nf_tables set flags 321 * 322 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink 323 * @NFT_SET_CONSTANT: set contents may not change while bound 324 * @NFT_SET_INTERVAL: set contains intervals 325 * @NFT_SET_MAP: set is used as a dictionary 326 * @NFT_SET_TIMEOUT: set uses timeouts 327 * @NFT_SET_EVAL: set can be updated from the evaluation path 328 * @NFT_SET_OBJECT: set contains stateful objects 329 * @NFT_SET_CONCAT: set contains a concatenation 330 * @NFT_SET_EXPR: set contains expressions 331 */ 332 enum nft_set_flags { 333 NFT_SET_ANONYMOUS = 0x1, 334 NFT_SET_CONSTANT = 0x2, 335 NFT_SET_INTERVAL = 0x4, 336 NFT_SET_MAP = 0x8, 337 NFT_SET_TIMEOUT = 0x10, 338 NFT_SET_EVAL = 0x20, 339 NFT_SET_OBJECT = 0x40, 340 NFT_SET_CONCAT = 0x80, 341 NFT_SET_EXPR = 0x100, 342 }; 343 344 /** 345 * enum nft_set_policies - set selection policy 346 * 347 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use 348 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance 349 */ 350 enum nft_set_policies { 351 NFT_SET_POL_PERFORMANCE, 352 NFT_SET_POL_MEMORY, 353 }; 354 355 /** 356 * enum nft_set_desc_attributes - set element description 357 * 358 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) 359 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED) 360 */ 361 enum nft_set_desc_attributes { 362 NFTA_SET_DESC_UNSPEC, 363 NFTA_SET_DESC_SIZE, 364 NFTA_SET_DESC_CONCAT, 365 __NFTA_SET_DESC_MAX 366 }; 367 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) 368 369 /** 370 * enum nft_set_field_attributes - attributes of concatenated fields 371 * 372 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32) 373 */ 374 enum nft_set_field_attributes { 375 NFTA_SET_FIELD_UNSPEC, 376 NFTA_SET_FIELD_LEN, 377 __NFTA_SET_FIELD_MAX 378 }; 379 #define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1) 380 381 /** 382 * enum nft_set_attributes - nf_tables set netlink attributes 383 * 384 * @NFTA_SET_TABLE: table name (NLA_STRING) 385 * @NFTA_SET_NAME: set name (NLA_STRING) 386 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) 387 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) 388 * @NFTA_SET_KEY_LEN: key data length (NLA_U32) 389 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) 390 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) 391 * @NFTA_SET_POLICY: selection policy (NLA_U32) 392 * @NFTA_SET_DESC: set description (NLA_NESTED) 393 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 394 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) 395 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) 396 * @NFTA_SET_USERDATA: user data (NLA_BINARY) 397 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*) 398 * @NFTA_SET_HANDLE: set handle (NLA_U64) 399 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes) 400 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 401 * @NFTA_SET_TYPE: set backend type (NLA_STRING) 402 * @NFTA_SET_COUNT: number of set elements (NLA_U32) 403 */ 404 enum nft_set_attributes { 405 NFTA_SET_UNSPEC, 406 NFTA_SET_TABLE, 407 NFTA_SET_NAME, 408 NFTA_SET_FLAGS, 409 NFTA_SET_KEY_TYPE, 410 NFTA_SET_KEY_LEN, 411 NFTA_SET_DATA_TYPE, 412 NFTA_SET_DATA_LEN, 413 NFTA_SET_POLICY, 414 NFTA_SET_DESC, 415 NFTA_SET_ID, 416 NFTA_SET_TIMEOUT, 417 NFTA_SET_GC_INTERVAL, 418 NFTA_SET_USERDATA, 419 NFTA_SET_PAD, 420 NFTA_SET_OBJ_TYPE, 421 NFTA_SET_HANDLE, 422 NFTA_SET_EXPR, 423 NFTA_SET_EXPRESSIONS, 424 NFTA_SET_TYPE, 425 NFTA_SET_COUNT, 426 __NFTA_SET_MAX 427 }; 428 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) 429 430 /** 431 * enum nft_set_elem_flags - nf_tables set element flags 432 * 433 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval 434 * @NFT_SET_ELEM_CATCHALL: special catch-all element 435 */ 436 enum nft_set_elem_flags { 437 NFT_SET_ELEM_INTERVAL_END = 0x1, 438 NFT_SET_ELEM_CATCHALL = 0x2, 439 }; 440 441 /** 442 * enum nft_set_elem_attributes - nf_tables set element netlink attributes 443 * 444 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) 445 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) 446 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) 447 * @NFTA_SET_ELEM_TIMEOUT: timeout value, zero means never times out (NLA_U64) 448 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) 449 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) 450 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) 451 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING) 452 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data) 453 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 454 */ 455 enum nft_set_elem_attributes { 456 NFTA_SET_ELEM_UNSPEC, 457 NFTA_SET_ELEM_KEY, 458 NFTA_SET_ELEM_DATA, 459 NFTA_SET_ELEM_FLAGS, 460 NFTA_SET_ELEM_TIMEOUT, 461 NFTA_SET_ELEM_EXPIRATION, 462 NFTA_SET_ELEM_USERDATA, 463 NFTA_SET_ELEM_EXPR, 464 NFTA_SET_ELEM_PAD, 465 NFTA_SET_ELEM_OBJREF, 466 NFTA_SET_ELEM_KEY_END, 467 NFTA_SET_ELEM_EXPRESSIONS, 468 __NFTA_SET_ELEM_MAX 469 }; 470 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) 471 472 /** 473 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes 474 * 475 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) 476 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) 477 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) 478 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 479 */ 480 enum nft_set_elem_list_attributes { 481 NFTA_SET_ELEM_LIST_UNSPEC, 482 NFTA_SET_ELEM_LIST_TABLE, 483 NFTA_SET_ELEM_LIST_SET, 484 NFTA_SET_ELEM_LIST_ELEMENTS, 485 NFTA_SET_ELEM_LIST_SET_ID, 486 __NFTA_SET_ELEM_LIST_MAX 487 }; 488 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) 489 490 /** 491 * enum nft_data_types - nf_tables data types 492 * 493 * @NFT_DATA_VALUE: generic data 494 * @NFT_DATA_VERDICT: netfilter verdict 495 * 496 * The type of data is usually determined by the kernel directly and is not 497 * explicitly specified by userspace. The only difference are sets, where 498 * userspace specifies the key and mapping data types. 499 * 500 * The values 0xffffff00-0xffffffff are reserved for internally used types. 501 * The remaining range can be freely used by userspace to encode types, all 502 * values are equivalent to NFT_DATA_VALUE. 503 */ 504 enum nft_data_types { 505 NFT_DATA_VALUE, 506 NFT_DATA_VERDICT = 0xffffff00U, 507 }; 508 509 #define NFT_DATA_RESERVED_MASK 0xffffff00U 510 511 /** 512 * enum nft_data_attributes - nf_tables data netlink attributes 513 * 514 * @NFTA_DATA_VALUE: generic data (NLA_BINARY) 515 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) 516 */ 517 enum nft_data_attributes { 518 NFTA_DATA_UNSPEC, 519 NFTA_DATA_VALUE, 520 NFTA_DATA_VERDICT, 521 __NFTA_DATA_MAX 522 }; 523 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) 524 525 /* Maximum length of a value */ 526 #define NFT_DATA_VALUE_MAXLEN 64 527 528 /** 529 * enum nft_verdict_attributes - nf_tables verdict netlink attributes 530 * 531 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) 532 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) 533 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32) 534 */ 535 enum nft_verdict_attributes { 536 NFTA_VERDICT_UNSPEC, 537 NFTA_VERDICT_CODE, 538 NFTA_VERDICT_CHAIN, 539 NFTA_VERDICT_CHAIN_ID, 540 __NFTA_VERDICT_MAX 541 }; 542 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) 543 544 /** 545 * enum nft_expr_attributes - nf_tables expression netlink attributes 546 * 547 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) 548 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) 549 */ 550 enum nft_expr_attributes { 551 NFTA_EXPR_UNSPEC, 552 NFTA_EXPR_NAME, 553 NFTA_EXPR_DATA, 554 __NFTA_EXPR_MAX 555 }; 556 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) 557 558 /** 559 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes 560 * 561 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) 562 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) 563 */ 564 enum nft_immediate_attributes { 565 NFTA_IMMEDIATE_UNSPEC, 566 NFTA_IMMEDIATE_DREG, 567 NFTA_IMMEDIATE_DATA, 568 __NFTA_IMMEDIATE_MAX 569 }; 570 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) 571 572 /** 573 * enum nft_bitwise_ops - nf_tables bitwise operations 574 * 575 * @NFT_BITWISE_MASK_XOR: mask-and-xor operation used to implement NOT, AND, OR 576 * and XOR boolean operations 577 * @NFT_BITWISE_LSHIFT: left-shift operation 578 * @NFT_BITWISE_RSHIFT: right-shift operation 579 * @NFT_BITWISE_AND: and operation 580 * @NFT_BITWISE_OR: or operation 581 * @NFT_BITWISE_XOR: xor operation 582 */ 583 enum nft_bitwise_ops { 584 NFT_BITWISE_MASK_XOR, 585 NFT_BITWISE_LSHIFT, 586 NFT_BITWISE_RSHIFT, 587 NFT_BITWISE_AND, 588 NFT_BITWISE_OR, 589 NFT_BITWISE_XOR, 590 }; 591 /* 592 * Old name for NFT_BITWISE_MASK_XOR. Retained for backwards-compatibility. 593 */ 594 #define NFT_BITWISE_BOOL NFT_BITWISE_MASK_XOR 595 596 /** 597 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes 598 * 599 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) 600 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) 601 * @NFTA_BITWISE_LEN: length of operands (NLA_U32) 602 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) 603 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) 604 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops) 605 * @NFTA_BITWISE_DATA: argument for non-boolean operations 606 * (NLA_NESTED: nft_data_attributes) 607 * @NFTA_BITWISE_SREG2: second source register (NLA_U32: nft_registers) 608 * 609 * The bitwise expression supports boolean and shift operations. It implements 610 * the boolean operations by performing the following operation: 611 * 612 * dreg = (sreg & mask) ^ xor 613 * 614 * with these mask and xor values: 615 * 616 * mask xor 617 * NOT: 1 1 618 * OR: ~x x 619 * XOR: 1 x 620 * AND: x 0 621 */ 622 enum nft_bitwise_attributes { 623 NFTA_BITWISE_UNSPEC, 624 NFTA_BITWISE_SREG, 625 NFTA_BITWISE_DREG, 626 NFTA_BITWISE_LEN, 627 NFTA_BITWISE_MASK, 628 NFTA_BITWISE_XOR, 629 NFTA_BITWISE_OP, 630 NFTA_BITWISE_DATA, 631 NFTA_BITWISE_SREG2, 632 __NFTA_BITWISE_MAX 633 }; 634 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) 635 636 /** 637 * enum nft_byteorder_ops - nf_tables byteorder operators 638 * 639 * @NFT_BYTEORDER_NTOH: network to host operator 640 * @NFT_BYTEORDER_HTON: host to network operator 641 */ 642 enum nft_byteorder_ops { 643 NFT_BYTEORDER_NTOH, 644 NFT_BYTEORDER_HTON, 645 }; 646 647 /** 648 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes 649 * 650 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) 651 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) 652 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) 653 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) 654 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) 655 */ 656 enum nft_byteorder_attributes { 657 NFTA_BYTEORDER_UNSPEC, 658 NFTA_BYTEORDER_SREG, 659 NFTA_BYTEORDER_DREG, 660 NFTA_BYTEORDER_OP, 661 NFTA_BYTEORDER_LEN, 662 NFTA_BYTEORDER_SIZE, 663 __NFTA_BYTEORDER_MAX 664 }; 665 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) 666 667 /** 668 * enum nft_cmp_ops - nf_tables relational operator 669 * 670 * @NFT_CMP_EQ: equal 671 * @NFT_CMP_NEQ: not equal 672 * @NFT_CMP_LT: less than 673 * @NFT_CMP_LTE: less than or equal to 674 * @NFT_CMP_GT: greater than 675 * @NFT_CMP_GTE: greater than or equal to 676 */ 677 enum nft_cmp_ops { 678 NFT_CMP_EQ, 679 NFT_CMP_NEQ, 680 NFT_CMP_LT, 681 NFT_CMP_LTE, 682 NFT_CMP_GT, 683 NFT_CMP_GTE, 684 }; 685 686 /** 687 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes 688 * 689 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) 690 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) 691 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) 692 */ 693 enum nft_cmp_attributes { 694 NFTA_CMP_UNSPEC, 695 NFTA_CMP_SREG, 696 NFTA_CMP_OP, 697 NFTA_CMP_DATA, 698 __NFTA_CMP_MAX 699 }; 700 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) 701 702 /** 703 * enum nft_range_ops - nf_tables range operator 704 * 705 * @NFT_RANGE_EQ: equal 706 * @NFT_RANGE_NEQ: not equal 707 */ 708 enum nft_range_ops { 709 NFT_RANGE_EQ, 710 NFT_RANGE_NEQ, 711 }; 712 713 /** 714 * enum nft_range_attributes - nf_tables range expression netlink attributes 715 * 716 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) 717 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops) 718 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) 719 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) 720 */ 721 enum nft_range_attributes { 722 NFTA_RANGE_UNSPEC, 723 NFTA_RANGE_SREG, 724 NFTA_RANGE_OP, 725 NFTA_RANGE_FROM_DATA, 726 NFTA_RANGE_TO_DATA, 727 __NFTA_RANGE_MAX 728 }; 729 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1) 730 731 enum nft_lookup_flags { 732 NFT_LOOKUP_F_INV = (1 << 0), 733 }; 734 735 /** 736 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes 737 * 738 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) 739 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) 740 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) 741 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 742 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) 743 */ 744 enum nft_lookup_attributes { 745 NFTA_LOOKUP_UNSPEC, 746 NFTA_LOOKUP_SET, 747 NFTA_LOOKUP_SREG, 748 NFTA_LOOKUP_DREG, 749 NFTA_LOOKUP_SET_ID, 750 NFTA_LOOKUP_FLAGS, 751 __NFTA_LOOKUP_MAX 752 }; 753 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) 754 755 enum nft_dynset_ops { 756 NFT_DYNSET_OP_ADD, 757 NFT_DYNSET_OP_UPDATE, 758 NFT_DYNSET_OP_DELETE, 759 }; 760 761 enum nft_dynset_flags { 762 NFT_DYNSET_F_INV = (1 << 0), 763 NFT_DYNSET_F_EXPR = (1 << 1), 764 }; 765 766 /** 767 * enum nft_dynset_attributes - dynset expression attributes 768 * 769 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) 770 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) 771 * @NFTA_DYNSET_OP: operation (NLA_U32) 772 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) 773 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) 774 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) 775 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) 776 * @NFTA_DYNSET_FLAGS: flags (NLA_U32) 777 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 778 */ 779 enum nft_dynset_attributes { 780 NFTA_DYNSET_UNSPEC, 781 NFTA_DYNSET_SET_NAME, 782 NFTA_DYNSET_SET_ID, 783 NFTA_DYNSET_OP, 784 NFTA_DYNSET_SREG_KEY, 785 NFTA_DYNSET_SREG_DATA, 786 NFTA_DYNSET_TIMEOUT, 787 NFTA_DYNSET_EXPR, 788 NFTA_DYNSET_PAD, 789 NFTA_DYNSET_FLAGS, 790 NFTA_DYNSET_EXPRESSIONS, 791 __NFTA_DYNSET_MAX, 792 }; 793 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) 794 795 /** 796 * enum nft_payload_bases - nf_tables payload expression offset bases 797 * 798 * @NFT_PAYLOAD_LL_HEADER: link layer header 799 * @NFT_PAYLOAD_NETWORK_HEADER: network header 800 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header 801 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload 802 */ 803 enum nft_payload_bases { 804 NFT_PAYLOAD_LL_HEADER, 805 NFT_PAYLOAD_NETWORK_HEADER, 806 NFT_PAYLOAD_TRANSPORT_HEADER, 807 NFT_PAYLOAD_INNER_HEADER, 808 NFT_PAYLOAD_TUN_HEADER, 809 }; 810 811 /** 812 * enum nft_payload_csum_types - nf_tables payload expression checksum types 813 * 814 * @NFT_PAYLOAD_CSUM_NONE: no checksumming 815 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) 816 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309) 817 */ 818 enum nft_payload_csum_types { 819 NFT_PAYLOAD_CSUM_NONE, 820 NFT_PAYLOAD_CSUM_INET, 821 NFT_PAYLOAD_CSUM_SCTP, 822 }; 823 824 enum nft_payload_csum_flags { 825 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0), 826 }; 827 828 enum nft_inner_type { 829 NFT_INNER_UNSPEC = 0, 830 NFT_INNER_VXLAN, 831 NFT_INNER_GENEVE, 832 }; 833 834 enum nft_inner_flags { 835 NFT_INNER_HDRSIZE = (1 << 0), 836 NFT_INNER_LL = (1 << 1), 837 NFT_INNER_NH = (1 << 2), 838 NFT_INNER_TH = (1 << 3), 839 }; 840 #define NFT_INNER_MASK (NFT_INNER_HDRSIZE | NFT_INNER_LL | \ 841 NFT_INNER_NH | NFT_INNER_TH) 842 843 enum nft_inner_attributes { 844 NFTA_INNER_UNSPEC, 845 NFTA_INNER_NUM, 846 NFTA_INNER_TYPE, 847 NFTA_INNER_FLAGS, 848 NFTA_INNER_HDRSIZE, 849 NFTA_INNER_EXPR, 850 __NFTA_INNER_MAX 851 }; 852 #define NFTA_INNER_MAX (__NFTA_INNER_MAX - 1) 853 854 /** 855 * enum nft_payload_attributes - nf_tables payload expression netlink attributes 856 * 857 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) 858 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) 859 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) 860 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) 861 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) 862 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) 863 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) 864 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32) 865 */ 866 enum nft_payload_attributes { 867 NFTA_PAYLOAD_UNSPEC, 868 NFTA_PAYLOAD_DREG, 869 NFTA_PAYLOAD_BASE, 870 NFTA_PAYLOAD_OFFSET, 871 NFTA_PAYLOAD_LEN, 872 NFTA_PAYLOAD_SREG, 873 NFTA_PAYLOAD_CSUM_TYPE, 874 NFTA_PAYLOAD_CSUM_OFFSET, 875 NFTA_PAYLOAD_CSUM_FLAGS, 876 __NFTA_PAYLOAD_MAX 877 }; 878 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) 879 880 enum nft_exthdr_flags { 881 NFT_EXTHDR_F_PRESENT = (1 << 0), 882 }; 883 884 /** 885 * enum nft_exthdr_op - nf_tables match options 886 * 887 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers 888 * @NFT_EXTHDR_OP_TCPOPT: match against tcp options 889 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options 890 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks 891 * @NFT_EXTHDR_OP_DCCP: match against dccp options 892 */ 893 enum nft_exthdr_op { 894 NFT_EXTHDR_OP_IPV6, 895 NFT_EXTHDR_OP_TCPOPT, 896 NFT_EXTHDR_OP_IPV4, 897 NFT_EXTHDR_OP_SCTP, 898 NFT_EXTHDR_OP_DCCP, 899 __NFT_EXTHDR_OP_MAX 900 }; 901 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1) 902 903 /** 904 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes 905 * 906 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) 907 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) 908 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) 909 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) 910 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32) 911 * @NFTA_EXTHDR_OP: option match type (NLA_U32) 912 * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers) 913 */ 914 enum nft_exthdr_attributes { 915 NFTA_EXTHDR_UNSPEC, 916 NFTA_EXTHDR_DREG, 917 NFTA_EXTHDR_TYPE, 918 NFTA_EXTHDR_OFFSET, 919 NFTA_EXTHDR_LEN, 920 NFTA_EXTHDR_FLAGS, 921 NFTA_EXTHDR_OP, 922 NFTA_EXTHDR_SREG, 923 __NFTA_EXTHDR_MAX 924 }; 925 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) 926 927 /** 928 * enum nft_meta_keys - nf_tables meta expression keys 929 * 930 * @NFT_META_LEN: packet length (skb->len) 931 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT 932 * @NFT_META_PRIORITY: packet priority (skb->priority) 933 * @NFT_META_MARK: packet mark (skb->mark) 934 * @NFT_META_IIF: packet input interface index (dev->ifindex) 935 * @NFT_META_OIF: packet output interface index (dev->ifindex) 936 * @NFT_META_IIFNAME: packet input interface name (dev->name) 937 * @NFT_META_OIFNAME: packet output interface name (dev->name) 938 * @NFT_META_IIFTYPE: packet input interface type (dev->type) 939 * @NFT_META_OIFTYPE: packet output interface type (dev->type) 940 * @NFT_META_SKUID: originating socket UID (fsuid) 941 * @NFT_META_SKGID: originating socket GID (fsgid) 942 * @NFT_META_NFTRACE: packet nftrace bit 943 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) 944 * @NFT_META_SECMARK: packet secmark (skb->secmark) 945 * @NFT_META_NFPROTO: netfilter protocol 946 * @NFT_META_L4PROTO: layer 4 protocol number 947 * @NFT_META_BRI_IIFNAME: packet input bridge interface name 948 * @NFT_META_BRI_OIFNAME: packet output bridge interface name 949 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback 950 * @NFT_META_CPU: cpu id through smp_processor_id() 951 * @NFT_META_IIFGROUP: packet input interface group 952 * @NFT_META_OIFGROUP: packet output interface group 953 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) 954 * @NFT_META_PRANDOM: a 32bit pseudo-random number 955 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp) 956 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind) 957 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind) 958 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid 959 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto 960 * @NFT_META_TIME_NS: time since epoch (in nanoseconds) 961 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday) 962 * @NFT_META_TIME_HOUR: hour of day (in seconds) 963 * @NFT_META_SDIF: slave device interface index 964 * @NFT_META_SDIFNAME: slave device interface name 965 * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit 966 * @NFT_META_BRI_IIFHWADDR: packet input bridge interface ethernet address 967 */ 968 enum nft_meta_keys { 969 NFT_META_LEN, 970 NFT_META_PROTOCOL, 971 NFT_META_PRIORITY, 972 NFT_META_MARK, 973 NFT_META_IIF, 974 NFT_META_OIF, 975 NFT_META_IIFNAME, 976 NFT_META_OIFNAME, 977 NFT_META_IFTYPE, 978 #define NFT_META_IIFTYPE NFT_META_IFTYPE 979 NFT_META_OIFTYPE, 980 NFT_META_SKUID, 981 NFT_META_SKGID, 982 NFT_META_NFTRACE, 983 NFT_META_RTCLASSID, 984 NFT_META_SECMARK, 985 NFT_META_NFPROTO, 986 NFT_META_L4PROTO, 987 NFT_META_BRI_IIFNAME, 988 NFT_META_BRI_OIFNAME, 989 NFT_META_PKTTYPE, 990 NFT_META_CPU, 991 NFT_META_IIFGROUP, 992 NFT_META_OIFGROUP, 993 NFT_META_CGROUP, 994 NFT_META_PRANDOM, 995 NFT_META_SECPATH, 996 NFT_META_IIFKIND, 997 NFT_META_OIFKIND, 998 NFT_META_BRI_IIFPVID, 999 NFT_META_BRI_IIFVPROTO, 1000 NFT_META_TIME_NS, 1001 NFT_META_TIME_DAY, 1002 NFT_META_TIME_HOUR, 1003 NFT_META_SDIF, 1004 NFT_META_SDIFNAME, 1005 NFT_META_BRI_BROUTE, 1006 __NFT_META_IIFTYPE, 1007 NFT_META_BRI_IIFHWADDR, 1008 }; 1009 1010 /** 1011 * enum nft_rt_keys - nf_tables routing expression keys 1012 * 1013 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid) 1014 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4 1015 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6 1016 * @NFT_RT_TCPMSS: fetch current path tcp mss 1017 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL 1018 */ 1019 enum nft_rt_keys { 1020 NFT_RT_CLASSID, 1021 NFT_RT_NEXTHOP4, 1022 NFT_RT_NEXTHOP6, 1023 NFT_RT_TCPMSS, 1024 NFT_RT_XFRM, 1025 __NFT_RT_MAX 1026 }; 1027 #define NFT_RT_MAX (__NFT_RT_MAX - 1) 1028 1029 /** 1030 * enum nft_hash_types - nf_tables hash expression types 1031 * 1032 * @NFT_HASH_JENKINS: Jenkins Hash 1033 * @NFT_HASH_SYM: Symmetric Hash 1034 */ 1035 enum nft_hash_types { 1036 NFT_HASH_JENKINS, 1037 NFT_HASH_SYM, 1038 }; 1039 1040 /** 1041 * enum nft_hash_attributes - nf_tables hash expression netlink attributes 1042 * 1043 * @NFTA_HASH_SREG: source register (NLA_U32) 1044 * @NFTA_HASH_DREG: destination register (NLA_U32) 1045 * @NFTA_HASH_LEN: source data length (NLA_U32) 1046 * @NFTA_HASH_MODULUS: modulus value (NLA_U32) 1047 * @NFTA_HASH_SEED: seed value (NLA_U32) 1048 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) 1049 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types) 1050 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING) 1051 * @NFTA_HASH_SET_ID: id of the map (NLA_U32) 1052 */ 1053 enum nft_hash_attributes { 1054 NFTA_HASH_UNSPEC, 1055 NFTA_HASH_SREG, 1056 NFTA_HASH_DREG, 1057 NFTA_HASH_LEN, 1058 NFTA_HASH_MODULUS, 1059 NFTA_HASH_SEED, 1060 NFTA_HASH_OFFSET, 1061 NFTA_HASH_TYPE, 1062 NFTA_HASH_SET_NAME, /* deprecated */ 1063 NFTA_HASH_SET_ID, /* deprecated */ 1064 __NFTA_HASH_MAX, 1065 }; 1066 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1) 1067 1068 /** 1069 * enum nft_meta_attributes - nf_tables meta expression netlink attributes 1070 * 1071 * @NFTA_META_DREG: destination register (NLA_U32) 1072 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) 1073 * @NFTA_META_SREG: source register (NLA_U32) 1074 */ 1075 enum nft_meta_attributes { 1076 NFTA_META_UNSPEC, 1077 NFTA_META_DREG, 1078 NFTA_META_KEY, 1079 NFTA_META_SREG, 1080 __NFTA_META_MAX 1081 }; 1082 #define NFTA_META_MAX (__NFTA_META_MAX - 1) 1083 1084 /** 1085 * enum nft_rt_attributes - nf_tables routing expression netlink attributes 1086 * 1087 * @NFTA_RT_DREG: destination register (NLA_U32) 1088 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys) 1089 */ 1090 enum nft_rt_attributes { 1091 NFTA_RT_UNSPEC, 1092 NFTA_RT_DREG, 1093 NFTA_RT_KEY, 1094 __NFTA_RT_MAX 1095 }; 1096 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1) 1097 1098 /** 1099 * enum nft_socket_attributes - nf_tables socket expression netlink attributes 1100 * 1101 * @NFTA_SOCKET_KEY: socket key to match 1102 * @NFTA_SOCKET_DREG: destination register 1103 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2) 1104 */ 1105 enum nft_socket_attributes { 1106 NFTA_SOCKET_UNSPEC, 1107 NFTA_SOCKET_KEY, 1108 NFTA_SOCKET_DREG, 1109 NFTA_SOCKET_LEVEL, 1110 __NFTA_SOCKET_MAX 1111 }; 1112 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1) 1113 1114 /* 1115 * enum nft_socket_keys - nf_tables socket expression keys 1116 * 1117 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option 1118 * @NFT_SOCKET_MARK: Value of the socket mark 1119 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0) 1120 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2 1121 */ 1122 enum nft_socket_keys { 1123 NFT_SOCKET_TRANSPARENT, 1124 NFT_SOCKET_MARK, 1125 NFT_SOCKET_WILDCARD, 1126 NFT_SOCKET_CGROUPV2, 1127 __NFT_SOCKET_MAX 1128 }; 1129 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1) 1130 1131 /** 1132 * enum nft_ct_keys - nf_tables ct expression keys 1133 * 1134 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) 1135 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) 1136 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) 1137 * @NFT_CT_MARK: conntrack mark value 1138 * @NFT_CT_SECMARK: conntrack secmark value 1139 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms 1140 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack 1141 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol 1142 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated) 1143 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated) 1144 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol 1145 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source 1146 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination 1147 * @NFT_CT_LABELS: conntrack labels 1148 * @NFT_CT_PKTS: conntrack packets 1149 * @NFT_CT_BYTES: conntrack bytes 1150 * @NFT_CT_AVGPKT: conntrack average bytes per packet 1151 * @NFT_CT_ZONE: conntrack zone 1152 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack 1153 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address) 1154 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address) 1155 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address) 1156 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address) 1157 * @NFT_CT_ID: conntrack id 1158 */ 1159 enum nft_ct_keys { 1160 NFT_CT_STATE, 1161 NFT_CT_DIRECTION, 1162 NFT_CT_STATUS, 1163 NFT_CT_MARK, 1164 NFT_CT_SECMARK, 1165 NFT_CT_EXPIRATION, 1166 NFT_CT_HELPER, 1167 NFT_CT_L3PROTOCOL, 1168 NFT_CT_SRC, 1169 NFT_CT_DST, 1170 NFT_CT_PROTOCOL, 1171 NFT_CT_PROTO_SRC, 1172 NFT_CT_PROTO_DST, 1173 NFT_CT_LABELS, 1174 NFT_CT_PKTS, 1175 NFT_CT_BYTES, 1176 NFT_CT_AVGPKT, 1177 NFT_CT_ZONE, 1178 NFT_CT_EVENTMASK, 1179 NFT_CT_SRC_IP, 1180 NFT_CT_DST_IP, 1181 NFT_CT_SRC_IP6, 1182 NFT_CT_DST_IP6, 1183 NFT_CT_ID, 1184 __NFT_CT_MAX 1185 }; 1186 #define NFT_CT_MAX (__NFT_CT_MAX - 1) 1187 1188 /** 1189 * enum nft_ct_attributes - nf_tables ct expression netlink attributes 1190 * 1191 * @NFTA_CT_DREG: destination register (NLA_U32) 1192 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) 1193 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) 1194 * @NFTA_CT_SREG: source register (NLA_U32) 1195 */ 1196 enum nft_ct_attributes { 1197 NFTA_CT_UNSPEC, 1198 NFTA_CT_DREG, 1199 NFTA_CT_KEY, 1200 NFTA_CT_DIRECTION, 1201 NFTA_CT_SREG, 1202 __NFTA_CT_MAX 1203 }; 1204 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) 1205 1206 /** 1207 * enum nft_offload_attributes - ct offload expression attributes 1208 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING) 1209 */ 1210 enum nft_offload_attributes { 1211 NFTA_FLOW_UNSPEC, 1212 NFTA_FLOW_TABLE_NAME, 1213 __NFTA_FLOW_MAX, 1214 }; 1215 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1) 1216 1217 enum nft_limit_type { 1218 NFT_LIMIT_PKTS, 1219 NFT_LIMIT_PKT_BYTES 1220 }; 1221 1222 enum nft_limit_flags { 1223 NFT_LIMIT_F_INV = (1 << 0), 1224 }; 1225 1226 /** 1227 * enum nft_limit_attributes - nf_tables limit expression netlink attributes 1228 * 1229 * @NFTA_LIMIT_RATE: refill rate (NLA_U64) 1230 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) 1231 * @NFTA_LIMIT_BURST: burst (NLA_U32) 1232 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) 1233 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) 1234 */ 1235 enum nft_limit_attributes { 1236 NFTA_LIMIT_UNSPEC, 1237 NFTA_LIMIT_RATE, 1238 NFTA_LIMIT_UNIT, 1239 NFTA_LIMIT_BURST, 1240 NFTA_LIMIT_TYPE, 1241 NFTA_LIMIT_FLAGS, 1242 NFTA_LIMIT_PAD, 1243 __NFTA_LIMIT_MAX 1244 }; 1245 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) 1246 1247 enum nft_connlimit_flags { 1248 NFT_CONNLIMIT_F_INV = (1 << 0), 1249 }; 1250 1251 /** 1252 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes 1253 * 1254 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32) 1255 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags) 1256 */ 1257 enum nft_connlimit_attributes { 1258 NFTA_CONNLIMIT_UNSPEC, 1259 NFTA_CONNLIMIT_COUNT, 1260 NFTA_CONNLIMIT_FLAGS, 1261 __NFTA_CONNLIMIT_MAX 1262 }; 1263 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1) 1264 1265 /** 1266 * enum nft_counter_attributes - nf_tables counter expression netlink attributes 1267 * 1268 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) 1269 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) 1270 */ 1271 enum nft_counter_attributes { 1272 NFTA_COUNTER_UNSPEC, 1273 NFTA_COUNTER_BYTES, 1274 NFTA_COUNTER_PACKETS, 1275 NFTA_COUNTER_PAD, 1276 __NFTA_COUNTER_MAX 1277 }; 1278 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) 1279 1280 /** 1281 * enum nft_last_attributes - nf_tables last expression netlink attributes 1282 * 1283 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32) 1284 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64) 1285 */ 1286 enum nft_last_attributes { 1287 NFTA_LAST_UNSPEC, 1288 NFTA_LAST_SET, 1289 NFTA_LAST_MSECS, 1290 NFTA_LAST_PAD, 1291 __NFTA_LAST_MAX 1292 }; 1293 #define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1) 1294 1295 /** 1296 * enum nft_log_attributes - nf_tables log expression netlink attributes 1297 * 1298 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16) 1299 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) 1300 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) 1301 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16) 1302 * @NFTA_LOG_LEVEL: log level (NLA_U32) 1303 * @NFTA_LOG_FLAGS: logging flags (NLA_U32) 1304 */ 1305 enum nft_log_attributes { 1306 NFTA_LOG_UNSPEC, 1307 NFTA_LOG_GROUP, 1308 NFTA_LOG_PREFIX, 1309 NFTA_LOG_SNAPLEN, 1310 NFTA_LOG_QTHRESHOLD, 1311 NFTA_LOG_LEVEL, 1312 NFTA_LOG_FLAGS, 1313 __NFTA_LOG_MAX 1314 }; 1315 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) 1316 1317 /** 1318 * enum nft_log_level - nf_tables log levels 1319 * 1320 * @NFT_LOGLEVEL_EMERG: system is unusable 1321 * @NFT_LOGLEVEL_ALERT: action must be taken immediately 1322 * @NFT_LOGLEVEL_CRIT: critical conditions 1323 * @NFT_LOGLEVEL_ERR: error conditions 1324 * @NFT_LOGLEVEL_WARNING: warning conditions 1325 * @NFT_LOGLEVEL_NOTICE: normal but significant condition 1326 * @NFT_LOGLEVEL_INFO: informational 1327 * @NFT_LOGLEVEL_DEBUG: debug-level messages 1328 * @NFT_LOGLEVEL_AUDIT: enabling audit logging 1329 */ 1330 enum nft_log_level { 1331 NFT_LOGLEVEL_EMERG, 1332 NFT_LOGLEVEL_ALERT, 1333 NFT_LOGLEVEL_CRIT, 1334 NFT_LOGLEVEL_ERR, 1335 NFT_LOGLEVEL_WARNING, 1336 NFT_LOGLEVEL_NOTICE, 1337 NFT_LOGLEVEL_INFO, 1338 NFT_LOGLEVEL_DEBUG, 1339 NFT_LOGLEVEL_AUDIT, 1340 __NFT_LOGLEVEL_MAX 1341 }; 1342 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1) 1343 1344 /** 1345 * enum nft_queue_attributes - nf_tables queue expression netlink attributes 1346 * 1347 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) 1348 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) 1349 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) 1350 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) 1351 */ 1352 enum nft_queue_attributes { 1353 NFTA_QUEUE_UNSPEC, 1354 NFTA_QUEUE_NUM, 1355 NFTA_QUEUE_TOTAL, 1356 NFTA_QUEUE_FLAGS, 1357 NFTA_QUEUE_SREG_QNUM, 1358 __NFTA_QUEUE_MAX 1359 }; 1360 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) 1361 1362 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ 1363 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ 1364 #define NFT_QUEUE_FLAG_MASK 0x03 1365 1366 enum nft_quota_flags { 1367 NFT_QUOTA_F_INV = (1 << 0), 1368 NFT_QUOTA_F_DEPLETED = (1 << 1), 1369 }; 1370 1371 /** 1372 * enum nft_quota_attributes - nf_tables quota expression netlink attributes 1373 * 1374 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) 1375 * @NFTA_QUOTA_FLAGS: flags (NLA_U32) 1376 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64) 1377 */ 1378 enum nft_quota_attributes { 1379 NFTA_QUOTA_UNSPEC, 1380 NFTA_QUOTA_BYTES, 1381 NFTA_QUOTA_FLAGS, 1382 NFTA_QUOTA_PAD, 1383 NFTA_QUOTA_CONSUMED, 1384 __NFTA_QUOTA_MAX 1385 }; 1386 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1) 1387 1388 /** 1389 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes 1390 * 1391 * @NFTA_SECMARK_CTX: security context (NLA_STRING) 1392 */ 1393 enum nft_secmark_attributes { 1394 NFTA_SECMARK_UNSPEC, 1395 NFTA_SECMARK_CTX, 1396 __NFTA_SECMARK_MAX, 1397 }; 1398 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) 1399 1400 /* Max security context length */ 1401 #define NFT_SECMARK_CTX_MAXLEN 4096 1402 1403 /** 1404 * enum nft_reject_types - nf_tables reject expression reject types 1405 * 1406 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable 1407 * @NFT_REJECT_TCP_RST: reject using TCP RST 1408 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet 1409 */ 1410 enum nft_reject_types { 1411 NFT_REJECT_ICMP_UNREACH, 1412 NFT_REJECT_TCP_RST, 1413 NFT_REJECT_ICMPX_UNREACH, 1414 }; 1415 1416 /** 1417 * enum nft_reject_inet_code - Generic reject codes for IPv4/IPv6 1418 * 1419 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable 1420 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable 1421 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable 1422 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited 1423 * 1424 * These codes are mapped to real ICMP and ICMPv6 codes. 1425 */ 1426 enum nft_reject_inet_code { 1427 NFT_REJECT_ICMPX_NO_ROUTE = 0, 1428 NFT_REJECT_ICMPX_PORT_UNREACH, 1429 NFT_REJECT_ICMPX_HOST_UNREACH, 1430 NFT_REJECT_ICMPX_ADMIN_PROHIBITED, 1431 __NFT_REJECT_ICMPX_MAX 1432 }; 1433 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) 1434 1435 /** 1436 * enum nft_reject_attributes - nf_tables reject expression netlink attributes 1437 * 1438 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) 1439 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) 1440 */ 1441 enum nft_reject_attributes { 1442 NFTA_REJECT_UNSPEC, 1443 NFTA_REJECT_TYPE, 1444 NFTA_REJECT_ICMP_CODE, 1445 __NFTA_REJECT_MAX 1446 }; 1447 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) 1448 1449 /** 1450 * enum nft_nat_types - nf_tables nat expression NAT types 1451 * 1452 * @NFT_NAT_SNAT: source NAT 1453 * @NFT_NAT_DNAT: destination NAT 1454 */ 1455 enum nft_nat_types { 1456 NFT_NAT_SNAT, 1457 NFT_NAT_DNAT, 1458 }; 1459 1460 /** 1461 * enum nft_nat_attributes - nf_tables nat expression netlink attributes 1462 * 1463 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) 1464 * @NFTA_NAT_FAMILY: NAT family (NLA_U32) 1465 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) 1466 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) 1467 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1468 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1469 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1470 */ 1471 enum nft_nat_attributes { 1472 NFTA_NAT_UNSPEC, 1473 NFTA_NAT_TYPE, 1474 NFTA_NAT_FAMILY, 1475 NFTA_NAT_REG_ADDR_MIN, 1476 NFTA_NAT_REG_ADDR_MAX, 1477 NFTA_NAT_REG_PROTO_MIN, 1478 NFTA_NAT_REG_PROTO_MAX, 1479 NFTA_NAT_FLAGS, 1480 __NFTA_NAT_MAX 1481 }; 1482 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) 1483 1484 /** 1485 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes 1486 * 1487 * @NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers) 1488 * @NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers) 1489 * @NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers) 1490 */ 1491 enum nft_tproxy_attributes { 1492 NFTA_TPROXY_UNSPEC, 1493 NFTA_TPROXY_FAMILY, 1494 NFTA_TPROXY_REG_ADDR, 1495 NFTA_TPROXY_REG_PORT, 1496 __NFTA_TPROXY_MAX 1497 }; 1498 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1) 1499 1500 /** 1501 * enum nft_masq_attributes - nf_tables masquerade expression attributes 1502 * 1503 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1504 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1505 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1506 */ 1507 enum nft_masq_attributes { 1508 NFTA_MASQ_UNSPEC, 1509 NFTA_MASQ_FLAGS, 1510 NFTA_MASQ_REG_PROTO_MIN, 1511 NFTA_MASQ_REG_PROTO_MAX, 1512 __NFTA_MASQ_MAX 1513 }; 1514 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) 1515 1516 /** 1517 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes 1518 * 1519 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1520 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1521 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1522 */ 1523 enum nft_redir_attributes { 1524 NFTA_REDIR_UNSPEC, 1525 NFTA_REDIR_REG_PROTO_MIN, 1526 NFTA_REDIR_REG_PROTO_MAX, 1527 NFTA_REDIR_FLAGS, 1528 __NFTA_REDIR_MAX 1529 }; 1530 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) 1531 1532 /** 1533 * enum nft_dup_attributes - nf_tables dup expression netlink attributes 1534 * 1535 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) 1536 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1537 */ 1538 enum nft_dup_attributes { 1539 NFTA_DUP_UNSPEC, 1540 NFTA_DUP_SREG_ADDR, 1541 NFTA_DUP_SREG_DEV, 1542 __NFTA_DUP_MAX 1543 }; 1544 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) 1545 1546 /** 1547 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes 1548 * 1549 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1550 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register) 1551 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto) 1552 */ 1553 enum nft_fwd_attributes { 1554 NFTA_FWD_UNSPEC, 1555 NFTA_FWD_SREG_DEV, 1556 NFTA_FWD_SREG_ADDR, 1557 NFTA_FWD_NFPROTO, 1558 __NFTA_FWD_MAX 1559 }; 1560 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1) 1561 1562 /** 1563 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes 1564 * 1565 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register) 1566 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING) 1567 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers) 1568 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING) 1569 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32) 1570 */ 1571 enum nft_objref_attributes { 1572 NFTA_OBJREF_UNSPEC, 1573 NFTA_OBJREF_IMM_TYPE, 1574 NFTA_OBJREF_IMM_NAME, 1575 NFTA_OBJREF_SET_SREG, 1576 NFTA_OBJREF_SET_NAME, 1577 NFTA_OBJREF_SET_ID, 1578 __NFTA_OBJREF_MAX 1579 }; 1580 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1) 1581 1582 /** 1583 * enum nft_gen_attributes - nf_tables ruleset generation attributes 1584 * 1585 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) 1586 */ 1587 enum nft_gen_attributes { 1588 NFTA_GEN_UNSPEC, 1589 NFTA_GEN_ID, 1590 NFTA_GEN_PROC_PID, 1591 NFTA_GEN_PROC_NAME, 1592 __NFTA_GEN_MAX 1593 }; 1594 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) 1595 1596 /* 1597 * enum nft_fib_attributes - nf_tables fib expression netlink attributes 1598 * 1599 * @NFTA_FIB_DREG: destination register (NLA_U32) 1600 * @NFTA_FIB_RESULT: desired result (NLA_U32) 1601 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) 1602 * 1603 * The FIB expression performs a route lookup according 1604 * to the packet data. 1605 */ 1606 enum nft_fib_attributes { 1607 NFTA_FIB_UNSPEC, 1608 NFTA_FIB_DREG, 1609 NFTA_FIB_RESULT, 1610 NFTA_FIB_FLAGS, 1611 __NFTA_FIB_MAX 1612 }; 1613 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1) 1614 1615 enum nft_fib_result { 1616 NFT_FIB_RESULT_UNSPEC, 1617 NFT_FIB_RESULT_OIF, 1618 NFT_FIB_RESULT_OIFNAME, 1619 NFT_FIB_RESULT_ADDRTYPE, 1620 __NFT_FIB_RESULT_MAX 1621 }; 1622 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1) 1623 1624 enum nft_fib_flags { 1625 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */ 1626 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */ 1627 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */ 1628 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */ 1629 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */ 1630 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */ 1631 }; 1632 1633 enum nft_ct_helper_attributes { 1634 NFTA_CT_HELPER_UNSPEC, 1635 NFTA_CT_HELPER_NAME, 1636 NFTA_CT_HELPER_L3PROTO, 1637 NFTA_CT_HELPER_L4PROTO, 1638 __NFTA_CT_HELPER_MAX, 1639 }; 1640 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1) 1641 1642 enum nft_ct_timeout_timeout_attributes { 1643 NFTA_CT_TIMEOUT_UNSPEC, 1644 NFTA_CT_TIMEOUT_L3PROTO, 1645 NFTA_CT_TIMEOUT_L4PROTO, 1646 NFTA_CT_TIMEOUT_DATA, 1647 __NFTA_CT_TIMEOUT_MAX, 1648 }; 1649 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1) 1650 1651 enum nft_ct_expectation_attributes { 1652 NFTA_CT_EXPECT_UNSPEC, 1653 NFTA_CT_EXPECT_L3PROTO, 1654 NFTA_CT_EXPECT_L4PROTO, 1655 NFTA_CT_EXPECT_DPORT, 1656 NFTA_CT_EXPECT_TIMEOUT, 1657 NFTA_CT_EXPECT_SIZE, 1658 __NFTA_CT_EXPECT_MAX, 1659 }; 1660 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1) 1661 1662 #define NFT_OBJECT_UNSPEC 0 1663 #define NFT_OBJECT_COUNTER 1 1664 #define NFT_OBJECT_QUOTA 2 1665 #define NFT_OBJECT_CT_HELPER 3 1666 #define NFT_OBJECT_LIMIT 4 1667 #define NFT_OBJECT_CONNLIMIT 5 1668 #define NFT_OBJECT_TUNNEL 6 1669 #define NFT_OBJECT_CT_TIMEOUT 7 1670 #define NFT_OBJECT_SECMARK 8 1671 #define NFT_OBJECT_CT_EXPECT 9 1672 #define NFT_OBJECT_SYNPROXY 10 1673 #define __NFT_OBJECT_MAX 11 1674 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1) 1675 1676 /** 1677 * enum nft_object_attributes - nf_tables stateful object netlink attributes 1678 * 1679 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING) 1680 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING) 1681 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32) 1682 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) 1683 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) 1684 * @NFTA_OBJ_HANDLE: object handle (NLA_U64) 1685 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY) 1686 */ 1687 enum nft_object_attributes { 1688 NFTA_OBJ_UNSPEC, 1689 NFTA_OBJ_TABLE, 1690 NFTA_OBJ_NAME, 1691 NFTA_OBJ_TYPE, 1692 NFTA_OBJ_DATA, 1693 NFTA_OBJ_USE, 1694 NFTA_OBJ_HANDLE, 1695 NFTA_OBJ_PAD, 1696 NFTA_OBJ_USERDATA, 1697 __NFTA_OBJ_MAX 1698 }; 1699 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1) 1700 1701 /** 1702 * enum nft_flowtable_flags - nf_tables flowtable flags 1703 * 1704 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled 1705 * @NFT_FLOWTABLE_COUNTER: enable flow counters 1706 */ 1707 enum nft_flowtable_flags { 1708 NFT_FLOWTABLE_HW_OFFLOAD = 0x1, 1709 NFT_FLOWTABLE_COUNTER = 0x2, 1710 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD | 1711 NFT_FLOWTABLE_COUNTER) 1712 }; 1713 1714 /** 1715 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes 1716 * 1717 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) 1718 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) 1719 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration (NLA_NESTED) 1720 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) 1721 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) 1722 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32) 1723 */ 1724 enum nft_flowtable_attributes { 1725 NFTA_FLOWTABLE_UNSPEC, 1726 NFTA_FLOWTABLE_TABLE, 1727 NFTA_FLOWTABLE_NAME, 1728 NFTA_FLOWTABLE_HOOK, 1729 NFTA_FLOWTABLE_USE, 1730 NFTA_FLOWTABLE_HANDLE, 1731 NFTA_FLOWTABLE_PAD, 1732 NFTA_FLOWTABLE_FLAGS, 1733 __NFTA_FLOWTABLE_MAX 1734 }; 1735 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1) 1736 1737 /** 1738 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes 1739 * 1740 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32) 1741 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 1742 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED) 1743 */ 1744 enum nft_flowtable_hook_attributes { 1745 NFTA_FLOWTABLE_HOOK_UNSPEC, 1746 NFTA_FLOWTABLE_HOOK_NUM, 1747 NFTA_FLOWTABLE_HOOK_PRIORITY, 1748 NFTA_FLOWTABLE_HOOK_DEVS, 1749 __NFTA_FLOWTABLE_HOOK_MAX 1750 }; 1751 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1) 1752 1753 /** 1754 * enum nft_osf_attributes - nftables osf expression netlink attributes 1755 * 1756 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers) 1757 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8) 1758 * @NFTA_OSF_FLAGS: flags (NLA_U32) 1759 */ 1760 enum nft_osf_attributes { 1761 NFTA_OSF_UNSPEC, 1762 NFTA_OSF_DREG, 1763 NFTA_OSF_TTL, 1764 NFTA_OSF_FLAGS, 1765 __NFTA_OSF_MAX, 1766 }; 1767 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1) 1768 1769 enum nft_osf_flags { 1770 NFT_OSF_F_VERSION = (1 << 0), 1771 }; 1772 1773 /** 1774 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes 1775 * 1776 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16) 1777 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8) 1778 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32) 1779 */ 1780 enum nft_synproxy_attributes { 1781 NFTA_SYNPROXY_UNSPEC, 1782 NFTA_SYNPROXY_MSS, 1783 NFTA_SYNPROXY_WSCALE, 1784 NFTA_SYNPROXY_FLAGS, 1785 __NFTA_SYNPROXY_MAX, 1786 }; 1787 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1) 1788 1789 /** 1790 * enum nft_devices_attributes - nf_tables device netlink attributes 1791 * 1792 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING) 1793 * @NFTA_DEVICE_PREFIX: device name prefix, a simple wildcard (NLA_STRING) 1794 */ 1795 enum nft_devices_attributes { 1796 NFTA_DEVICE_UNSPEC, 1797 NFTA_DEVICE_NAME, 1798 NFTA_DEVICE_PREFIX, 1799 __NFTA_DEVICE_MAX 1800 }; 1801 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1) 1802 1803 /* 1804 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes 1805 * 1806 * @NFTA_XFRM_DREG: destination register (NLA_U32) 1807 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32) 1808 * @NFTA_XFRM_DIR: direction (NLA_U8) 1809 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32) 1810 */ 1811 enum nft_xfrm_attributes { 1812 NFTA_XFRM_UNSPEC, 1813 NFTA_XFRM_DREG, 1814 NFTA_XFRM_KEY, 1815 NFTA_XFRM_DIR, 1816 NFTA_XFRM_SPNUM, 1817 __NFTA_XFRM_MAX 1818 }; 1819 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1) 1820 1821 enum nft_xfrm_keys { 1822 NFT_XFRM_KEY_UNSPEC, 1823 NFT_XFRM_KEY_DADDR_IP4, 1824 NFT_XFRM_KEY_DADDR_IP6, 1825 NFT_XFRM_KEY_SADDR_IP4, 1826 NFT_XFRM_KEY_SADDR_IP6, 1827 NFT_XFRM_KEY_REQID, 1828 NFT_XFRM_KEY_SPI, 1829 __NFT_XFRM_KEY_MAX, 1830 }; 1831 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1) 1832 1833 /** 1834 * enum nft_trace_attributes - nf_tables trace netlink attributes 1835 * 1836 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) 1837 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) 1838 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) 1839 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) 1840 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) 1841 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) 1842 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) 1843 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) 1844 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) 1845 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) 1846 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) 1847 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) 1848 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) 1849 * @NFTA_TRACE_MARK: nfmark (NLA_U32) 1850 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) 1851 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) 1852 * @NFTA_TRACE_CT_ID: conntrack id (NLA_U32) 1853 * @NFTA_TRACE_CT_DIRECTION: packets direction (NLA_U8) 1854 * @NFTA_TRACE_CT_STATUS: conntrack status (NLA_U32) 1855 * @NFTA_TRACE_CT_STATE: packet state (new, established, ...) (NLA_U32) 1856 */ 1857 enum nft_trace_attributes { 1858 NFTA_TRACE_UNSPEC, 1859 NFTA_TRACE_TABLE, 1860 NFTA_TRACE_CHAIN, 1861 NFTA_TRACE_RULE_HANDLE, 1862 NFTA_TRACE_TYPE, 1863 NFTA_TRACE_VERDICT, 1864 NFTA_TRACE_ID, 1865 NFTA_TRACE_LL_HEADER, 1866 NFTA_TRACE_NETWORK_HEADER, 1867 NFTA_TRACE_TRANSPORT_HEADER, 1868 NFTA_TRACE_IIF, 1869 NFTA_TRACE_IIFTYPE, 1870 NFTA_TRACE_OIF, 1871 NFTA_TRACE_OIFTYPE, 1872 NFTA_TRACE_MARK, 1873 NFTA_TRACE_NFPROTO, 1874 NFTA_TRACE_POLICY, 1875 NFTA_TRACE_PAD, 1876 NFTA_TRACE_CT_ID, 1877 NFTA_TRACE_CT_DIRECTION, 1878 NFTA_TRACE_CT_STATUS, 1879 NFTA_TRACE_CT_STATE, 1880 __NFTA_TRACE_MAX 1881 }; 1882 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1) 1883 1884 enum nft_trace_types { 1885 NFT_TRACETYPE_UNSPEC, 1886 NFT_TRACETYPE_POLICY, 1887 NFT_TRACETYPE_RETURN, 1888 NFT_TRACETYPE_RULE, 1889 __NFT_TRACETYPE_MAX 1890 }; 1891 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) 1892 1893 /** 1894 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes 1895 * 1896 * @NFTA_NG_DREG: destination register (NLA_U32) 1897 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) 1898 * @NFTA_NG_TYPE: operation type (NLA_U32) 1899 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) 1900 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING) 1901 * @NFTA_NG_SET_ID: id of the map (NLA_U32) 1902 */ 1903 enum nft_ng_attributes { 1904 NFTA_NG_UNSPEC, 1905 NFTA_NG_DREG, 1906 NFTA_NG_MODULUS, 1907 NFTA_NG_TYPE, 1908 NFTA_NG_OFFSET, 1909 NFTA_NG_SET_NAME, /* deprecated */ 1910 NFTA_NG_SET_ID, /* deprecated */ 1911 __NFTA_NG_MAX 1912 }; 1913 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1) 1914 1915 enum nft_ng_types { 1916 NFT_NG_INCREMENTAL, 1917 NFT_NG_RANDOM, 1918 __NFT_NG_MAX 1919 }; 1920 #define NFT_NG_MAX (__NFT_NG_MAX - 1) 1921 1922 enum nft_tunnel_key_ip_attributes { 1923 NFTA_TUNNEL_KEY_IP_UNSPEC, 1924 NFTA_TUNNEL_KEY_IP_SRC, 1925 NFTA_TUNNEL_KEY_IP_DST, 1926 __NFTA_TUNNEL_KEY_IP_MAX 1927 }; 1928 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1) 1929 1930 enum nft_tunnel_ip6_attributes { 1931 NFTA_TUNNEL_KEY_IP6_UNSPEC, 1932 NFTA_TUNNEL_KEY_IP6_SRC, 1933 NFTA_TUNNEL_KEY_IP6_DST, 1934 NFTA_TUNNEL_KEY_IP6_FLOWLABEL, 1935 __NFTA_TUNNEL_KEY_IP6_MAX 1936 }; 1937 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1) 1938 1939 enum nft_tunnel_opts_attributes { 1940 NFTA_TUNNEL_KEY_OPTS_UNSPEC, 1941 NFTA_TUNNEL_KEY_OPTS_VXLAN, 1942 NFTA_TUNNEL_KEY_OPTS_ERSPAN, 1943 NFTA_TUNNEL_KEY_OPTS_GENEVE, 1944 __NFTA_TUNNEL_KEY_OPTS_MAX 1945 }; 1946 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1) 1947 1948 enum nft_tunnel_opts_vxlan_attributes { 1949 NFTA_TUNNEL_KEY_VXLAN_UNSPEC, 1950 NFTA_TUNNEL_KEY_VXLAN_GBP, 1951 __NFTA_TUNNEL_KEY_VXLAN_MAX 1952 }; 1953 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1) 1954 1955 enum nft_tunnel_opts_erspan_attributes { 1956 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC, 1957 NFTA_TUNNEL_KEY_ERSPAN_VERSION, 1958 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX, 1959 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID, 1960 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR, 1961 __NFTA_TUNNEL_KEY_ERSPAN_MAX 1962 }; 1963 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1) 1964 1965 enum nft_tunnel_opts_geneve_attributes { 1966 NFTA_TUNNEL_KEY_GENEVE_UNSPEC, 1967 NFTA_TUNNEL_KEY_GENEVE_CLASS, 1968 NFTA_TUNNEL_KEY_GENEVE_TYPE, 1969 NFTA_TUNNEL_KEY_GENEVE_DATA, 1970 __NFTA_TUNNEL_KEY_GENEVE_MAX 1971 }; 1972 #define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1) 1973 1974 enum nft_tunnel_flags { 1975 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0), 1976 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1), 1977 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2), 1978 }; 1979 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \ 1980 NFT_TUNNEL_F_DONT_FRAGMENT | \ 1981 NFT_TUNNEL_F_SEQ_NUMBER) 1982 1983 enum nft_tunnel_key_attributes { 1984 NFTA_TUNNEL_KEY_UNSPEC, 1985 NFTA_TUNNEL_KEY_ID, 1986 NFTA_TUNNEL_KEY_IP, 1987 NFTA_TUNNEL_KEY_IP6, 1988 NFTA_TUNNEL_KEY_FLAGS, 1989 NFTA_TUNNEL_KEY_TOS, 1990 NFTA_TUNNEL_KEY_TTL, 1991 NFTA_TUNNEL_KEY_SPORT, 1992 NFTA_TUNNEL_KEY_DPORT, 1993 NFTA_TUNNEL_KEY_OPTS, 1994 __NFTA_TUNNEL_KEY_MAX 1995 }; 1996 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1) 1997 1998 enum nft_tunnel_keys { 1999 NFT_TUNNEL_PATH, 2000 NFT_TUNNEL_ID, 2001 __NFT_TUNNEL_MAX 2002 }; 2003 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1) 2004 2005 enum nft_tunnel_mode { 2006 NFT_TUNNEL_MODE_NONE, 2007 NFT_TUNNEL_MODE_RX, 2008 NFT_TUNNEL_MODE_TX, 2009 __NFT_TUNNEL_MODE_MAX 2010 }; 2011 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1) 2012 2013 enum nft_tunnel_attributes { 2014 NFTA_TUNNEL_UNSPEC, 2015 NFTA_TUNNEL_KEY, 2016 NFTA_TUNNEL_DREG, 2017 NFTA_TUNNEL_MODE, 2018 __NFTA_TUNNEL_MAX 2019 }; 2020 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1) 2021 2022 #endif /* _LINUX_NF_TABLES_H */ 2023