1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _LINUX_NF_TABLES_H 3 #define _LINUX_NF_TABLES_H 4 5 #define NFT_NAME_MAXLEN 256 6 #define NFT_TABLE_MAXNAMELEN NFT_NAME_MAXLEN 7 #define NFT_CHAIN_MAXNAMELEN NFT_NAME_MAXLEN 8 #define NFT_SET_MAXNAMELEN NFT_NAME_MAXLEN 9 #define NFT_OBJ_MAXNAMELEN NFT_NAME_MAXLEN 10 #define NFT_USERDATA_MAXLEN 256 11 #define NFT_OSF_MAXGENRELEN 16 12 13 /** 14 * enum nft_registers - nf_tables registers 15 * 16 * nf_tables used to have five registers: a verdict register and four data 17 * registers of size 16. The data registers have been changed to 16 registers 18 * of size 4. For compatibility reasons, the NFT_REG_[1-4] registers still 19 * map to areas of size 16, the 4 byte registers are addressed using 20 * NFT_REG32_00 - NFT_REG32_15. 21 */ 22 enum nft_registers { 23 NFT_REG_VERDICT, 24 NFT_REG_1, 25 NFT_REG_2, 26 NFT_REG_3, 27 NFT_REG_4, 28 __NFT_REG_MAX, 29 30 NFT_REG32_00 = 8, 31 NFT_REG32_01, 32 NFT_REG32_02, 33 NFT_REG32_03, 34 NFT_REG32_04, 35 NFT_REG32_05, 36 NFT_REG32_06, 37 NFT_REG32_07, 38 NFT_REG32_08, 39 NFT_REG32_09, 40 NFT_REG32_10, 41 NFT_REG32_11, 42 NFT_REG32_12, 43 NFT_REG32_13, 44 NFT_REG32_14, 45 NFT_REG32_15, 46 }; 47 #define NFT_REG_MAX (__NFT_REG_MAX - 1) 48 49 #define NFT_REG_SIZE 16 50 #define NFT_REG32_SIZE 4 51 #define NFT_REG32_COUNT (NFT_REG32_15 - NFT_REG32_00 + 1) 52 53 /** 54 * enum nft_verdicts - nf_tables internal verdicts 55 * 56 * @NFT_CONTINUE: continue evaluation of the current rule 57 * @NFT_BREAK: terminate evaluation of the current rule 58 * @NFT_JUMP: push the current chain on the jump stack and jump to a chain 59 * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack 60 * @NFT_RETURN: return to the topmost chain on the jump stack 61 * 62 * The nf_tables verdicts share their numeric space with the netfilter verdicts. 63 */ 64 enum nft_verdicts { 65 NFT_CONTINUE = -1, 66 NFT_BREAK = -2, 67 NFT_JUMP = -3, 68 NFT_GOTO = -4, 69 NFT_RETURN = -5, 70 }; 71 72 /** 73 * enum nf_tables_msg_types - nf_tables netlink message types 74 * 75 * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes) 76 * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes) 77 * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes) 78 * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes) 79 * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes) 80 * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes) 81 * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes) 82 * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes) 83 * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes) 84 * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes) 85 * @NFT_MSG_GETSET: get a set (enum nft_set_attributes) 86 * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes) 87 * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes) 88 * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes) 89 * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes) 90 * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes) 91 * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes) 92 * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes) 93 * @NFT_MSG_NEWOBJ: create a stateful object (enum nft_obj_attributes) 94 * @NFT_MSG_GETOBJ: get a stateful object (enum nft_obj_attributes) 95 * @NFT_MSG_DELOBJ: delete a stateful object (enum nft_obj_attributes) 96 * @NFT_MSG_GETOBJ_RESET: get and reset a stateful object (enum nft_obj_attributes) 97 * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes) 98 * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes) 99 * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes) 100 * @NFT_MSG_GETRULE_RESET: get rules and reset stateful expressions (enum nft_obj_attributes) 101 * @NFT_MSG_DESTROYTABLE: destroy a table (enum nft_table_attributes) 102 * @NFT_MSG_DESTROYCHAIN: destroy a chain (enum nft_chain_attributes) 103 * @NFT_MSG_DESTROYRULE: destroy a rule (enum nft_rule_attributes) 104 * @NFT_MSG_DESTROYSET: destroy a set (enum nft_set_attributes) 105 * @NFT_MSG_DESTROYSETELEM: destroy a set element (enum nft_set_elem_attributes) 106 * @NFT_MSG_DESTROYOBJ: destroy a stateful object (enum nft_object_attributes) 107 * @NFT_MSG_DESTROYFLOWTABLE: destroy flow table (enum nft_flowtable_attributes) 108 * @NFT_MSG_GETSETELEM_RESET: get set elements and reset attached stateful expressions (enum nft_set_elem_attributes) 109 */ 110 enum nf_tables_msg_types { 111 NFT_MSG_NEWTABLE, 112 NFT_MSG_GETTABLE, 113 NFT_MSG_DELTABLE, 114 NFT_MSG_NEWCHAIN, 115 NFT_MSG_GETCHAIN, 116 NFT_MSG_DELCHAIN, 117 NFT_MSG_NEWRULE, 118 NFT_MSG_GETRULE, 119 NFT_MSG_DELRULE, 120 NFT_MSG_NEWSET, 121 NFT_MSG_GETSET, 122 NFT_MSG_DELSET, 123 NFT_MSG_NEWSETELEM, 124 NFT_MSG_GETSETELEM, 125 NFT_MSG_DELSETELEM, 126 NFT_MSG_NEWGEN, 127 NFT_MSG_GETGEN, 128 NFT_MSG_TRACE, 129 NFT_MSG_NEWOBJ, 130 NFT_MSG_GETOBJ, 131 NFT_MSG_DELOBJ, 132 NFT_MSG_GETOBJ_RESET, 133 NFT_MSG_NEWFLOWTABLE, 134 NFT_MSG_GETFLOWTABLE, 135 NFT_MSG_DELFLOWTABLE, 136 NFT_MSG_GETRULE_RESET, 137 NFT_MSG_DESTROYTABLE, 138 NFT_MSG_DESTROYCHAIN, 139 NFT_MSG_DESTROYRULE, 140 NFT_MSG_DESTROYSET, 141 NFT_MSG_DESTROYSETELEM, 142 NFT_MSG_DESTROYOBJ, 143 NFT_MSG_DESTROYFLOWTABLE, 144 NFT_MSG_GETSETELEM_RESET, 145 NFT_MSG_MAX, 146 }; 147 148 /** 149 * enum nft_list_attributes - nf_tables generic list netlink attributes 150 * 151 * @NFTA_LIST_ELEM: list element (NLA_NESTED) 152 */ 153 enum nft_list_attributes { 154 NFTA_LIST_UNSPEC, 155 NFTA_LIST_ELEM, 156 __NFTA_LIST_MAX 157 }; 158 #define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) 159 160 /** 161 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes 162 * 163 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) 164 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 165 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING) 166 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED) 167 */ 168 enum nft_hook_attributes { 169 NFTA_HOOK_UNSPEC, 170 NFTA_HOOK_HOOKNUM, 171 NFTA_HOOK_PRIORITY, 172 NFTA_HOOK_DEV, 173 NFTA_HOOK_DEVS, 174 __NFTA_HOOK_MAX 175 }; 176 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) 177 178 /** 179 * enum nft_table_flags - nf_tables table flags 180 * 181 * @NFT_TABLE_F_DORMANT: this table is not active 182 * @NFT_TABLE_F_OWNER: this table is owned by a process 183 * @NFT_TABLE_F_PERSIST: this table shall outlive its owner 184 */ 185 enum nft_table_flags { 186 NFT_TABLE_F_DORMANT = 0x1, 187 NFT_TABLE_F_OWNER = 0x2, 188 NFT_TABLE_F_PERSIST = 0x4, 189 }; 190 #define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | \ 191 NFT_TABLE_F_OWNER | \ 192 NFT_TABLE_F_PERSIST) 193 194 /** 195 * enum nft_table_attributes - nf_tables table netlink attributes 196 * 197 * @NFTA_TABLE_NAME: name of the table (NLA_STRING) 198 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) 199 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) 200 * @NFTA_TABLE_USERDATA: user data (NLA_BINARY) 201 * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32) 202 */ 203 enum nft_table_attributes { 204 NFTA_TABLE_UNSPEC, 205 NFTA_TABLE_NAME, 206 NFTA_TABLE_FLAGS, 207 NFTA_TABLE_USE, 208 NFTA_TABLE_HANDLE, 209 NFTA_TABLE_PAD, 210 NFTA_TABLE_USERDATA, 211 NFTA_TABLE_OWNER, 212 __NFTA_TABLE_MAX 213 }; 214 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) 215 216 enum nft_chain_flags { 217 NFT_CHAIN_BASE = (1 << 0), 218 NFT_CHAIN_HW_OFFLOAD = (1 << 1), 219 NFT_CHAIN_BINDING = (1 << 2), 220 }; 221 #define NFT_CHAIN_FLAGS (NFT_CHAIN_BASE | \ 222 NFT_CHAIN_HW_OFFLOAD | \ 223 NFT_CHAIN_BINDING) 224 225 /** 226 * enum nft_chain_attributes - nf_tables chain netlink attributes 227 * 228 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) 229 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) 230 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) 231 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) 232 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) 233 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) 234 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) 235 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) 236 * @NFTA_CHAIN_FLAGS: chain flags 237 * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32) 238 * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY) 239 */ 240 enum nft_chain_attributes { 241 NFTA_CHAIN_UNSPEC, 242 NFTA_CHAIN_TABLE, 243 NFTA_CHAIN_HANDLE, 244 NFTA_CHAIN_NAME, 245 NFTA_CHAIN_HOOK, 246 NFTA_CHAIN_POLICY, 247 NFTA_CHAIN_USE, 248 NFTA_CHAIN_TYPE, 249 NFTA_CHAIN_COUNTERS, 250 NFTA_CHAIN_PAD, 251 NFTA_CHAIN_FLAGS, 252 NFTA_CHAIN_ID, 253 NFTA_CHAIN_USERDATA, 254 __NFTA_CHAIN_MAX 255 }; 256 #define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) 257 258 /** 259 * enum nft_rule_attributes - nf_tables rule netlink attributes 260 * 261 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) 262 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) 263 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) 264 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) 265 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) 266 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) 267 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) 268 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32) 269 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32) 270 * @NFTA_RULE_CHAIN_ID: add the rule to chain by ID, alternative to @NFTA_RULE_CHAIN (NLA_U32) 271 */ 272 enum nft_rule_attributes { 273 NFTA_RULE_UNSPEC, 274 NFTA_RULE_TABLE, 275 NFTA_RULE_CHAIN, 276 NFTA_RULE_HANDLE, 277 NFTA_RULE_EXPRESSIONS, 278 NFTA_RULE_COMPAT, 279 NFTA_RULE_POSITION, 280 NFTA_RULE_USERDATA, 281 NFTA_RULE_PAD, 282 NFTA_RULE_ID, 283 NFTA_RULE_POSITION_ID, 284 NFTA_RULE_CHAIN_ID, 285 __NFTA_RULE_MAX 286 }; 287 #define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) 288 289 /** 290 * enum nft_rule_compat_flags - nf_tables rule compat flags 291 * 292 * @NFT_RULE_COMPAT_F_UNUSED: unused 293 * @NFT_RULE_COMPAT_F_INV: invert the check result 294 */ 295 enum nft_rule_compat_flags { 296 NFT_RULE_COMPAT_F_UNUSED = (1 << 0), 297 NFT_RULE_COMPAT_F_INV = (1 << 1), 298 NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, 299 }; 300 301 /** 302 * enum nft_rule_compat_attributes - nf_tables rule compat attributes 303 * 304 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32) 305 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) 306 */ 307 enum nft_rule_compat_attributes { 308 NFTA_RULE_COMPAT_UNSPEC, 309 NFTA_RULE_COMPAT_PROTO, 310 NFTA_RULE_COMPAT_FLAGS, 311 __NFTA_RULE_COMPAT_MAX 312 }; 313 #define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) 314 315 /** 316 * enum nft_set_flags - nf_tables set flags 317 * 318 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink 319 * @NFT_SET_CONSTANT: set contents may not change while bound 320 * @NFT_SET_INTERVAL: set contains intervals 321 * @NFT_SET_MAP: set is used as a dictionary 322 * @NFT_SET_TIMEOUT: set uses timeouts 323 * @NFT_SET_EVAL: set can be updated from the evaluation path 324 * @NFT_SET_OBJECT: set contains stateful objects 325 * @NFT_SET_CONCAT: set contains a concatenation 326 * @NFT_SET_EXPR: set contains expressions 327 */ 328 enum nft_set_flags { 329 NFT_SET_ANONYMOUS = 0x1, 330 NFT_SET_CONSTANT = 0x2, 331 NFT_SET_INTERVAL = 0x4, 332 NFT_SET_MAP = 0x8, 333 NFT_SET_TIMEOUT = 0x10, 334 NFT_SET_EVAL = 0x20, 335 NFT_SET_OBJECT = 0x40, 336 NFT_SET_CONCAT = 0x80, 337 NFT_SET_EXPR = 0x100, 338 }; 339 340 /** 341 * enum nft_set_policies - set selection policy 342 * 343 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use 344 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance 345 */ 346 enum nft_set_policies { 347 NFT_SET_POL_PERFORMANCE, 348 NFT_SET_POL_MEMORY, 349 }; 350 351 /** 352 * enum nft_set_desc_attributes - set element description 353 * 354 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) 355 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED) 356 */ 357 enum nft_set_desc_attributes { 358 NFTA_SET_DESC_UNSPEC, 359 NFTA_SET_DESC_SIZE, 360 NFTA_SET_DESC_CONCAT, 361 __NFTA_SET_DESC_MAX 362 }; 363 #define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) 364 365 /** 366 * enum nft_set_field_attributes - attributes of concatenated fields 367 * 368 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32) 369 */ 370 enum nft_set_field_attributes { 371 NFTA_SET_FIELD_UNSPEC, 372 NFTA_SET_FIELD_LEN, 373 __NFTA_SET_FIELD_MAX 374 }; 375 #define NFTA_SET_FIELD_MAX (__NFTA_SET_FIELD_MAX - 1) 376 377 /** 378 * enum nft_set_attributes - nf_tables set netlink attributes 379 * 380 * @NFTA_SET_TABLE: table name (NLA_STRING) 381 * @NFTA_SET_NAME: set name (NLA_STRING) 382 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) 383 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) 384 * @NFTA_SET_KEY_LEN: key data length (NLA_U32) 385 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) 386 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) 387 * @NFTA_SET_POLICY: selection policy (NLA_U32) 388 * @NFTA_SET_DESC: set description (NLA_NESTED) 389 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 390 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) 391 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) 392 * @NFTA_SET_USERDATA: user data (NLA_BINARY) 393 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*) 394 * @NFTA_SET_HANDLE: set handle (NLA_U64) 395 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes) 396 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 397 */ 398 enum nft_set_attributes { 399 NFTA_SET_UNSPEC, 400 NFTA_SET_TABLE, 401 NFTA_SET_NAME, 402 NFTA_SET_FLAGS, 403 NFTA_SET_KEY_TYPE, 404 NFTA_SET_KEY_LEN, 405 NFTA_SET_DATA_TYPE, 406 NFTA_SET_DATA_LEN, 407 NFTA_SET_POLICY, 408 NFTA_SET_DESC, 409 NFTA_SET_ID, 410 NFTA_SET_TIMEOUT, 411 NFTA_SET_GC_INTERVAL, 412 NFTA_SET_USERDATA, 413 NFTA_SET_PAD, 414 NFTA_SET_OBJ_TYPE, 415 NFTA_SET_HANDLE, 416 NFTA_SET_EXPR, 417 NFTA_SET_EXPRESSIONS, 418 __NFTA_SET_MAX 419 }; 420 #define NFTA_SET_MAX (__NFTA_SET_MAX - 1) 421 422 /** 423 * enum nft_set_elem_flags - nf_tables set element flags 424 * 425 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval 426 * @NFT_SET_ELEM_CATCHALL: special catch-all element 427 */ 428 enum nft_set_elem_flags { 429 NFT_SET_ELEM_INTERVAL_END = 0x1, 430 NFT_SET_ELEM_CATCHALL = 0x2, 431 }; 432 433 /** 434 * enum nft_set_elem_attributes - nf_tables set element netlink attributes 435 * 436 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) 437 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) 438 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) 439 * @NFTA_SET_ELEM_TIMEOUT: timeout value, zero means never times out (NLA_U64) 440 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) 441 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) 442 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) 443 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING) 444 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data) 445 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 446 */ 447 enum nft_set_elem_attributes { 448 NFTA_SET_ELEM_UNSPEC, 449 NFTA_SET_ELEM_KEY, 450 NFTA_SET_ELEM_DATA, 451 NFTA_SET_ELEM_FLAGS, 452 NFTA_SET_ELEM_TIMEOUT, 453 NFTA_SET_ELEM_EXPIRATION, 454 NFTA_SET_ELEM_USERDATA, 455 NFTA_SET_ELEM_EXPR, 456 NFTA_SET_ELEM_PAD, 457 NFTA_SET_ELEM_OBJREF, 458 NFTA_SET_ELEM_KEY_END, 459 NFTA_SET_ELEM_EXPRESSIONS, 460 __NFTA_SET_ELEM_MAX 461 }; 462 #define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) 463 464 /** 465 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes 466 * 467 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) 468 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) 469 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) 470 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 471 */ 472 enum nft_set_elem_list_attributes { 473 NFTA_SET_ELEM_LIST_UNSPEC, 474 NFTA_SET_ELEM_LIST_TABLE, 475 NFTA_SET_ELEM_LIST_SET, 476 NFTA_SET_ELEM_LIST_ELEMENTS, 477 NFTA_SET_ELEM_LIST_SET_ID, 478 __NFTA_SET_ELEM_LIST_MAX 479 }; 480 #define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) 481 482 /** 483 * enum nft_data_types - nf_tables data types 484 * 485 * @NFT_DATA_VALUE: generic data 486 * @NFT_DATA_VERDICT: netfilter verdict 487 * 488 * The type of data is usually determined by the kernel directly and is not 489 * explicitly specified by userspace. The only difference are sets, where 490 * userspace specifies the key and mapping data types. 491 * 492 * The values 0xffffff00-0xffffffff are reserved for internally used types. 493 * The remaining range can be freely used by userspace to encode types, all 494 * values are equivalent to NFT_DATA_VALUE. 495 */ 496 enum nft_data_types { 497 NFT_DATA_VALUE, 498 NFT_DATA_VERDICT = 0xffffff00U, 499 }; 500 501 #define NFT_DATA_RESERVED_MASK 0xffffff00U 502 503 /** 504 * enum nft_data_attributes - nf_tables data netlink attributes 505 * 506 * @NFTA_DATA_VALUE: generic data (NLA_BINARY) 507 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) 508 */ 509 enum nft_data_attributes { 510 NFTA_DATA_UNSPEC, 511 NFTA_DATA_VALUE, 512 NFTA_DATA_VERDICT, 513 __NFTA_DATA_MAX 514 }; 515 #define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) 516 517 /* Maximum length of a value */ 518 #define NFT_DATA_VALUE_MAXLEN 64 519 520 /** 521 * enum nft_verdict_attributes - nf_tables verdict netlink attributes 522 * 523 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) 524 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) 525 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32) 526 */ 527 enum nft_verdict_attributes { 528 NFTA_VERDICT_UNSPEC, 529 NFTA_VERDICT_CODE, 530 NFTA_VERDICT_CHAIN, 531 NFTA_VERDICT_CHAIN_ID, 532 __NFTA_VERDICT_MAX 533 }; 534 #define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) 535 536 /** 537 * enum nft_expr_attributes - nf_tables expression netlink attributes 538 * 539 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) 540 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) 541 */ 542 enum nft_expr_attributes { 543 NFTA_EXPR_UNSPEC, 544 NFTA_EXPR_NAME, 545 NFTA_EXPR_DATA, 546 __NFTA_EXPR_MAX 547 }; 548 #define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) 549 550 /** 551 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes 552 * 553 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) 554 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) 555 */ 556 enum nft_immediate_attributes { 557 NFTA_IMMEDIATE_UNSPEC, 558 NFTA_IMMEDIATE_DREG, 559 NFTA_IMMEDIATE_DATA, 560 __NFTA_IMMEDIATE_MAX 561 }; 562 #define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) 563 564 /** 565 * enum nft_bitwise_ops - nf_tables bitwise operations 566 * 567 * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and 568 * XOR boolean operations 569 * @NFT_BITWISE_LSHIFT: left-shift operation 570 * @NFT_BITWISE_RSHIFT: right-shift operation 571 */ 572 enum nft_bitwise_ops { 573 NFT_BITWISE_BOOL, 574 NFT_BITWISE_LSHIFT, 575 NFT_BITWISE_RSHIFT, 576 }; 577 578 /** 579 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes 580 * 581 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) 582 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) 583 * @NFTA_BITWISE_LEN: length of operands (NLA_U32) 584 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) 585 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) 586 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops) 587 * @NFTA_BITWISE_DATA: argument for non-boolean operations 588 * (NLA_NESTED: nft_data_attributes) 589 * 590 * The bitwise expression supports boolean and shift operations. It implements 591 * the boolean operations by performing the following operation: 592 * 593 * dreg = (sreg & mask) ^ xor 594 * 595 * with these mask and xor values: 596 * 597 * mask xor 598 * NOT: 1 1 599 * OR: ~x x 600 * XOR: 1 x 601 * AND: x 0 602 */ 603 enum nft_bitwise_attributes { 604 NFTA_BITWISE_UNSPEC, 605 NFTA_BITWISE_SREG, 606 NFTA_BITWISE_DREG, 607 NFTA_BITWISE_LEN, 608 NFTA_BITWISE_MASK, 609 NFTA_BITWISE_XOR, 610 NFTA_BITWISE_OP, 611 NFTA_BITWISE_DATA, 612 __NFTA_BITWISE_MAX 613 }; 614 #define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) 615 616 /** 617 * enum nft_byteorder_ops - nf_tables byteorder operators 618 * 619 * @NFT_BYTEORDER_NTOH: network to host operator 620 * @NFT_BYTEORDER_HTON: host to network operator 621 */ 622 enum nft_byteorder_ops { 623 NFT_BYTEORDER_NTOH, 624 NFT_BYTEORDER_HTON, 625 }; 626 627 /** 628 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes 629 * 630 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) 631 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) 632 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) 633 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) 634 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) 635 */ 636 enum nft_byteorder_attributes { 637 NFTA_BYTEORDER_UNSPEC, 638 NFTA_BYTEORDER_SREG, 639 NFTA_BYTEORDER_DREG, 640 NFTA_BYTEORDER_OP, 641 NFTA_BYTEORDER_LEN, 642 NFTA_BYTEORDER_SIZE, 643 __NFTA_BYTEORDER_MAX 644 }; 645 #define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) 646 647 /** 648 * enum nft_cmp_ops - nf_tables relational operator 649 * 650 * @NFT_CMP_EQ: equal 651 * @NFT_CMP_NEQ: not equal 652 * @NFT_CMP_LT: less than 653 * @NFT_CMP_LTE: less than or equal to 654 * @NFT_CMP_GT: greater than 655 * @NFT_CMP_GTE: greater than or equal to 656 */ 657 enum nft_cmp_ops { 658 NFT_CMP_EQ, 659 NFT_CMP_NEQ, 660 NFT_CMP_LT, 661 NFT_CMP_LTE, 662 NFT_CMP_GT, 663 NFT_CMP_GTE, 664 }; 665 666 /** 667 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes 668 * 669 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) 670 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) 671 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) 672 */ 673 enum nft_cmp_attributes { 674 NFTA_CMP_UNSPEC, 675 NFTA_CMP_SREG, 676 NFTA_CMP_OP, 677 NFTA_CMP_DATA, 678 __NFTA_CMP_MAX 679 }; 680 #define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) 681 682 /** 683 * enum nft_range_ops - nf_tables range operator 684 * 685 * @NFT_RANGE_EQ: equal 686 * @NFT_RANGE_NEQ: not equal 687 */ 688 enum nft_range_ops { 689 NFT_RANGE_EQ, 690 NFT_RANGE_NEQ, 691 }; 692 693 /** 694 * enum nft_range_attributes - nf_tables range expression netlink attributes 695 * 696 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) 697 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops) 698 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) 699 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) 700 */ 701 enum nft_range_attributes { 702 NFTA_RANGE_UNSPEC, 703 NFTA_RANGE_SREG, 704 NFTA_RANGE_OP, 705 NFTA_RANGE_FROM_DATA, 706 NFTA_RANGE_TO_DATA, 707 __NFTA_RANGE_MAX 708 }; 709 #define NFTA_RANGE_MAX (__NFTA_RANGE_MAX - 1) 710 711 enum nft_lookup_flags { 712 NFT_LOOKUP_F_INV = (1 << 0), 713 }; 714 715 /** 716 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes 717 * 718 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) 719 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) 720 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) 721 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) 722 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) 723 */ 724 enum nft_lookup_attributes { 725 NFTA_LOOKUP_UNSPEC, 726 NFTA_LOOKUP_SET, 727 NFTA_LOOKUP_SREG, 728 NFTA_LOOKUP_DREG, 729 NFTA_LOOKUP_SET_ID, 730 NFTA_LOOKUP_FLAGS, 731 __NFTA_LOOKUP_MAX 732 }; 733 #define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) 734 735 enum nft_dynset_ops { 736 NFT_DYNSET_OP_ADD, 737 NFT_DYNSET_OP_UPDATE, 738 NFT_DYNSET_OP_DELETE, 739 }; 740 741 enum nft_dynset_flags { 742 NFT_DYNSET_F_INV = (1 << 0), 743 NFT_DYNSET_F_EXPR = (1 << 1), 744 }; 745 746 /** 747 * enum nft_dynset_attributes - dynset expression attributes 748 * 749 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) 750 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) 751 * @NFTA_DYNSET_OP: operation (NLA_U32) 752 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) 753 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) 754 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) 755 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) 756 * @NFTA_DYNSET_FLAGS: flags (NLA_U32) 757 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) 758 */ 759 enum nft_dynset_attributes { 760 NFTA_DYNSET_UNSPEC, 761 NFTA_DYNSET_SET_NAME, 762 NFTA_DYNSET_SET_ID, 763 NFTA_DYNSET_OP, 764 NFTA_DYNSET_SREG_KEY, 765 NFTA_DYNSET_SREG_DATA, 766 NFTA_DYNSET_TIMEOUT, 767 NFTA_DYNSET_EXPR, 768 NFTA_DYNSET_PAD, 769 NFTA_DYNSET_FLAGS, 770 NFTA_DYNSET_EXPRESSIONS, 771 __NFTA_DYNSET_MAX, 772 }; 773 #define NFTA_DYNSET_MAX (__NFTA_DYNSET_MAX - 1) 774 775 /** 776 * enum nft_payload_bases - nf_tables payload expression offset bases 777 * 778 * @NFT_PAYLOAD_LL_HEADER: link layer header 779 * @NFT_PAYLOAD_NETWORK_HEADER: network header 780 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header 781 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload 782 */ 783 enum nft_payload_bases { 784 NFT_PAYLOAD_LL_HEADER, 785 NFT_PAYLOAD_NETWORK_HEADER, 786 NFT_PAYLOAD_TRANSPORT_HEADER, 787 NFT_PAYLOAD_INNER_HEADER, 788 NFT_PAYLOAD_TUN_HEADER, 789 }; 790 791 /** 792 * enum nft_payload_csum_types - nf_tables payload expression checksum types 793 * 794 * @NFT_PAYLOAD_CSUM_NONE: no checksumming 795 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) 796 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309) 797 */ 798 enum nft_payload_csum_types { 799 NFT_PAYLOAD_CSUM_NONE, 800 NFT_PAYLOAD_CSUM_INET, 801 NFT_PAYLOAD_CSUM_SCTP, 802 }; 803 804 enum nft_payload_csum_flags { 805 NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0), 806 }; 807 808 enum nft_inner_type { 809 NFT_INNER_UNSPEC = 0, 810 NFT_INNER_VXLAN, 811 NFT_INNER_GENEVE, 812 }; 813 814 enum nft_inner_flags { 815 NFT_INNER_HDRSIZE = (1 << 0), 816 NFT_INNER_LL = (1 << 1), 817 NFT_INNER_NH = (1 << 2), 818 NFT_INNER_TH = (1 << 3), 819 }; 820 #define NFT_INNER_MASK (NFT_INNER_HDRSIZE | NFT_INNER_LL | \ 821 NFT_INNER_NH | NFT_INNER_TH) 822 823 enum nft_inner_attributes { 824 NFTA_INNER_UNSPEC, 825 NFTA_INNER_NUM, 826 NFTA_INNER_TYPE, 827 NFTA_INNER_FLAGS, 828 NFTA_INNER_HDRSIZE, 829 NFTA_INNER_EXPR, 830 __NFTA_INNER_MAX 831 }; 832 #define NFTA_INNER_MAX (__NFTA_INNER_MAX - 1) 833 834 /** 835 * enum nft_payload_attributes - nf_tables payload expression netlink attributes 836 * 837 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) 838 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) 839 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) 840 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) 841 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) 842 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) 843 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) 844 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32) 845 */ 846 enum nft_payload_attributes { 847 NFTA_PAYLOAD_UNSPEC, 848 NFTA_PAYLOAD_DREG, 849 NFTA_PAYLOAD_BASE, 850 NFTA_PAYLOAD_OFFSET, 851 NFTA_PAYLOAD_LEN, 852 NFTA_PAYLOAD_SREG, 853 NFTA_PAYLOAD_CSUM_TYPE, 854 NFTA_PAYLOAD_CSUM_OFFSET, 855 NFTA_PAYLOAD_CSUM_FLAGS, 856 __NFTA_PAYLOAD_MAX 857 }; 858 #define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) 859 860 enum nft_exthdr_flags { 861 NFT_EXTHDR_F_PRESENT = (1 << 0), 862 }; 863 864 /** 865 * enum nft_exthdr_op - nf_tables match options 866 * 867 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers 868 * @NFT_EXTHDR_OP_TCP: match against tcp options 869 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options 870 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks 871 * @NFT_EXTHDR_OP_DCCP: match against dccp otions 872 */ 873 enum nft_exthdr_op { 874 NFT_EXTHDR_OP_IPV6, 875 NFT_EXTHDR_OP_TCPOPT, 876 NFT_EXTHDR_OP_IPV4, 877 NFT_EXTHDR_OP_SCTP, 878 NFT_EXTHDR_OP_DCCP, 879 __NFT_EXTHDR_OP_MAX 880 }; 881 #define NFT_EXTHDR_OP_MAX (__NFT_EXTHDR_OP_MAX - 1) 882 883 /** 884 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes 885 * 886 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) 887 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) 888 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) 889 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) 890 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32) 891 * @NFTA_EXTHDR_OP: option match type (NLA_U32) 892 * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers) 893 */ 894 enum nft_exthdr_attributes { 895 NFTA_EXTHDR_UNSPEC, 896 NFTA_EXTHDR_DREG, 897 NFTA_EXTHDR_TYPE, 898 NFTA_EXTHDR_OFFSET, 899 NFTA_EXTHDR_LEN, 900 NFTA_EXTHDR_FLAGS, 901 NFTA_EXTHDR_OP, 902 NFTA_EXTHDR_SREG, 903 __NFTA_EXTHDR_MAX 904 }; 905 #define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) 906 907 /** 908 * enum nft_meta_keys - nf_tables meta expression keys 909 * 910 * @NFT_META_LEN: packet length (skb->len) 911 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT 912 * @NFT_META_PRIORITY: packet priority (skb->priority) 913 * @NFT_META_MARK: packet mark (skb->mark) 914 * @NFT_META_IIF: packet input interface index (dev->ifindex) 915 * @NFT_META_OIF: packet output interface index (dev->ifindex) 916 * @NFT_META_IIFNAME: packet input interface name (dev->name) 917 * @NFT_META_OIFNAME: packet output interface name (dev->name) 918 * @NFT_META_IIFTYPE: packet input interface type (dev->type) 919 * @NFT_META_OIFTYPE: packet output interface type (dev->type) 920 * @NFT_META_SKUID: originating socket UID (fsuid) 921 * @NFT_META_SKGID: originating socket GID (fsgid) 922 * @NFT_META_NFTRACE: packet nftrace bit 923 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) 924 * @NFT_META_SECMARK: packet secmark (skb->secmark) 925 * @NFT_META_NFPROTO: netfilter protocol 926 * @NFT_META_L4PROTO: layer 4 protocol number 927 * @NFT_META_BRI_IIFNAME: packet input bridge interface name 928 * @NFT_META_BRI_OIFNAME: packet output bridge interface name 929 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback 930 * @NFT_META_CPU: cpu id through smp_processor_id() 931 * @NFT_META_IIFGROUP: packet input interface group 932 * @NFT_META_OIFGROUP: packet output interface group 933 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) 934 * @NFT_META_PRANDOM: a 32bit pseudo-random number 935 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp) 936 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind) 937 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind) 938 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid 939 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto 940 * @NFT_META_TIME_NS: time since epoch (in nanoseconds) 941 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday) 942 * @NFT_META_TIME_HOUR: hour of day (in seconds) 943 * @NFT_META_SDIF: slave device interface index 944 * @NFT_META_SDIFNAME: slave device interface name 945 * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit 946 */ 947 enum nft_meta_keys { 948 NFT_META_LEN, 949 NFT_META_PROTOCOL, 950 NFT_META_PRIORITY, 951 NFT_META_MARK, 952 NFT_META_IIF, 953 NFT_META_OIF, 954 NFT_META_IIFNAME, 955 NFT_META_OIFNAME, 956 NFT_META_IFTYPE, 957 #define NFT_META_IIFTYPE NFT_META_IFTYPE 958 NFT_META_OIFTYPE, 959 NFT_META_SKUID, 960 NFT_META_SKGID, 961 NFT_META_NFTRACE, 962 NFT_META_RTCLASSID, 963 NFT_META_SECMARK, 964 NFT_META_NFPROTO, 965 NFT_META_L4PROTO, 966 NFT_META_BRI_IIFNAME, 967 NFT_META_BRI_OIFNAME, 968 NFT_META_PKTTYPE, 969 NFT_META_CPU, 970 NFT_META_IIFGROUP, 971 NFT_META_OIFGROUP, 972 NFT_META_CGROUP, 973 NFT_META_PRANDOM, 974 NFT_META_SECPATH, 975 NFT_META_IIFKIND, 976 NFT_META_OIFKIND, 977 NFT_META_BRI_IIFPVID, 978 NFT_META_BRI_IIFVPROTO, 979 NFT_META_TIME_NS, 980 NFT_META_TIME_DAY, 981 NFT_META_TIME_HOUR, 982 NFT_META_SDIF, 983 NFT_META_SDIFNAME, 984 NFT_META_BRI_BROUTE, 985 __NFT_META_IIFTYPE, 986 }; 987 988 /** 989 * enum nft_rt_keys - nf_tables routing expression keys 990 * 991 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid) 992 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4 993 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6 994 * @NFT_RT_TCPMSS: fetch current path tcp mss 995 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL 996 */ 997 enum nft_rt_keys { 998 NFT_RT_CLASSID, 999 NFT_RT_NEXTHOP4, 1000 NFT_RT_NEXTHOP6, 1001 NFT_RT_TCPMSS, 1002 NFT_RT_XFRM, 1003 __NFT_RT_MAX 1004 }; 1005 #define NFT_RT_MAX (__NFT_RT_MAX - 1) 1006 1007 /** 1008 * enum nft_hash_types - nf_tables hash expression types 1009 * 1010 * @NFT_HASH_JENKINS: Jenkins Hash 1011 * @NFT_HASH_SYM: Symmetric Hash 1012 */ 1013 enum nft_hash_types { 1014 NFT_HASH_JENKINS, 1015 NFT_HASH_SYM, 1016 }; 1017 1018 /** 1019 * enum nft_hash_attributes - nf_tables hash expression netlink attributes 1020 * 1021 * @NFTA_HASH_SREG: source register (NLA_U32) 1022 * @NFTA_HASH_DREG: destination register (NLA_U32) 1023 * @NFTA_HASH_LEN: source data length (NLA_U32) 1024 * @NFTA_HASH_MODULUS: modulus value (NLA_U32) 1025 * @NFTA_HASH_SEED: seed value (NLA_U32) 1026 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) 1027 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types) 1028 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING) 1029 * @NFTA_HASH_SET_ID: id of the map (NLA_U32) 1030 */ 1031 enum nft_hash_attributes { 1032 NFTA_HASH_UNSPEC, 1033 NFTA_HASH_SREG, 1034 NFTA_HASH_DREG, 1035 NFTA_HASH_LEN, 1036 NFTA_HASH_MODULUS, 1037 NFTA_HASH_SEED, 1038 NFTA_HASH_OFFSET, 1039 NFTA_HASH_TYPE, 1040 NFTA_HASH_SET_NAME, /* deprecated */ 1041 NFTA_HASH_SET_ID, /* deprecated */ 1042 __NFTA_HASH_MAX, 1043 }; 1044 #define NFTA_HASH_MAX (__NFTA_HASH_MAX - 1) 1045 1046 /** 1047 * enum nft_meta_attributes - nf_tables meta expression netlink attributes 1048 * 1049 * @NFTA_META_DREG: destination register (NLA_U32) 1050 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) 1051 * @NFTA_META_SREG: source register (NLA_U32) 1052 */ 1053 enum nft_meta_attributes { 1054 NFTA_META_UNSPEC, 1055 NFTA_META_DREG, 1056 NFTA_META_KEY, 1057 NFTA_META_SREG, 1058 __NFTA_META_MAX 1059 }; 1060 #define NFTA_META_MAX (__NFTA_META_MAX - 1) 1061 1062 /** 1063 * enum nft_rt_attributes - nf_tables routing expression netlink attributes 1064 * 1065 * @NFTA_RT_DREG: destination register (NLA_U32) 1066 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys) 1067 */ 1068 enum nft_rt_attributes { 1069 NFTA_RT_UNSPEC, 1070 NFTA_RT_DREG, 1071 NFTA_RT_KEY, 1072 __NFTA_RT_MAX 1073 }; 1074 #define NFTA_RT_MAX (__NFTA_RT_MAX - 1) 1075 1076 /** 1077 * enum nft_socket_attributes - nf_tables socket expression netlink attributes 1078 * 1079 * @NFTA_SOCKET_KEY: socket key to match 1080 * @NFTA_SOCKET_DREG: destination register 1081 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2) 1082 */ 1083 enum nft_socket_attributes { 1084 NFTA_SOCKET_UNSPEC, 1085 NFTA_SOCKET_KEY, 1086 NFTA_SOCKET_DREG, 1087 NFTA_SOCKET_LEVEL, 1088 __NFTA_SOCKET_MAX 1089 }; 1090 #define NFTA_SOCKET_MAX (__NFTA_SOCKET_MAX - 1) 1091 1092 /* 1093 * enum nft_socket_keys - nf_tables socket expression keys 1094 * 1095 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option 1096 * @NFT_SOCKET_MARK: Value of the socket mark 1097 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0) 1098 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2 1099 */ 1100 enum nft_socket_keys { 1101 NFT_SOCKET_TRANSPARENT, 1102 NFT_SOCKET_MARK, 1103 NFT_SOCKET_WILDCARD, 1104 NFT_SOCKET_CGROUPV2, 1105 __NFT_SOCKET_MAX 1106 }; 1107 #define NFT_SOCKET_MAX (__NFT_SOCKET_MAX - 1) 1108 1109 /** 1110 * enum nft_ct_keys - nf_tables ct expression keys 1111 * 1112 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) 1113 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) 1114 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) 1115 * @NFT_CT_MARK: conntrack mark value 1116 * @NFT_CT_SECMARK: conntrack secmark value 1117 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms 1118 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack 1119 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol 1120 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated) 1121 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated) 1122 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol 1123 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source 1124 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination 1125 * @NFT_CT_LABELS: conntrack labels 1126 * @NFT_CT_PKTS: conntrack packets 1127 * @NFT_CT_BYTES: conntrack bytes 1128 * @NFT_CT_AVGPKT: conntrack average bytes per packet 1129 * @NFT_CT_ZONE: conntrack zone 1130 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack 1131 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address) 1132 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address) 1133 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address) 1134 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address) 1135 * @NFT_CT_ID: conntrack id 1136 */ 1137 enum nft_ct_keys { 1138 NFT_CT_STATE, 1139 NFT_CT_DIRECTION, 1140 NFT_CT_STATUS, 1141 NFT_CT_MARK, 1142 NFT_CT_SECMARK, 1143 NFT_CT_EXPIRATION, 1144 NFT_CT_HELPER, 1145 NFT_CT_L3PROTOCOL, 1146 NFT_CT_SRC, 1147 NFT_CT_DST, 1148 NFT_CT_PROTOCOL, 1149 NFT_CT_PROTO_SRC, 1150 NFT_CT_PROTO_DST, 1151 NFT_CT_LABELS, 1152 NFT_CT_PKTS, 1153 NFT_CT_BYTES, 1154 NFT_CT_AVGPKT, 1155 NFT_CT_ZONE, 1156 NFT_CT_EVENTMASK, 1157 NFT_CT_SRC_IP, 1158 NFT_CT_DST_IP, 1159 NFT_CT_SRC_IP6, 1160 NFT_CT_DST_IP6, 1161 NFT_CT_ID, 1162 __NFT_CT_MAX 1163 }; 1164 #define NFT_CT_MAX (__NFT_CT_MAX - 1) 1165 1166 /** 1167 * enum nft_ct_attributes - nf_tables ct expression netlink attributes 1168 * 1169 * @NFTA_CT_DREG: destination register (NLA_U32) 1170 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) 1171 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) 1172 * @NFTA_CT_SREG: source register (NLA_U32) 1173 */ 1174 enum nft_ct_attributes { 1175 NFTA_CT_UNSPEC, 1176 NFTA_CT_DREG, 1177 NFTA_CT_KEY, 1178 NFTA_CT_DIRECTION, 1179 NFTA_CT_SREG, 1180 __NFTA_CT_MAX 1181 }; 1182 #define NFTA_CT_MAX (__NFTA_CT_MAX - 1) 1183 1184 /** 1185 * enum nft_flow_attributes - ct offload expression attributes 1186 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING) 1187 */ 1188 enum nft_offload_attributes { 1189 NFTA_FLOW_UNSPEC, 1190 NFTA_FLOW_TABLE_NAME, 1191 __NFTA_FLOW_MAX, 1192 }; 1193 #define NFTA_FLOW_MAX (__NFTA_FLOW_MAX - 1) 1194 1195 enum nft_limit_type { 1196 NFT_LIMIT_PKTS, 1197 NFT_LIMIT_PKT_BYTES 1198 }; 1199 1200 enum nft_limit_flags { 1201 NFT_LIMIT_F_INV = (1 << 0), 1202 }; 1203 1204 /** 1205 * enum nft_limit_attributes - nf_tables limit expression netlink attributes 1206 * 1207 * @NFTA_LIMIT_RATE: refill rate (NLA_U64) 1208 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) 1209 * @NFTA_LIMIT_BURST: burst (NLA_U32) 1210 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) 1211 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) 1212 */ 1213 enum nft_limit_attributes { 1214 NFTA_LIMIT_UNSPEC, 1215 NFTA_LIMIT_RATE, 1216 NFTA_LIMIT_UNIT, 1217 NFTA_LIMIT_BURST, 1218 NFTA_LIMIT_TYPE, 1219 NFTA_LIMIT_FLAGS, 1220 NFTA_LIMIT_PAD, 1221 __NFTA_LIMIT_MAX 1222 }; 1223 #define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) 1224 1225 enum nft_connlimit_flags { 1226 NFT_CONNLIMIT_F_INV = (1 << 0), 1227 }; 1228 1229 /** 1230 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes 1231 * 1232 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32) 1233 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags) 1234 */ 1235 enum nft_connlimit_attributes { 1236 NFTA_CONNLIMIT_UNSPEC, 1237 NFTA_CONNLIMIT_COUNT, 1238 NFTA_CONNLIMIT_FLAGS, 1239 __NFTA_CONNLIMIT_MAX 1240 }; 1241 #define NFTA_CONNLIMIT_MAX (__NFTA_CONNLIMIT_MAX - 1) 1242 1243 /** 1244 * enum nft_counter_attributes - nf_tables counter expression netlink attributes 1245 * 1246 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) 1247 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) 1248 */ 1249 enum nft_counter_attributes { 1250 NFTA_COUNTER_UNSPEC, 1251 NFTA_COUNTER_BYTES, 1252 NFTA_COUNTER_PACKETS, 1253 NFTA_COUNTER_PAD, 1254 __NFTA_COUNTER_MAX 1255 }; 1256 #define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) 1257 1258 /** 1259 * enum nft_last_attributes - nf_tables last expression netlink attributes 1260 * 1261 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32) 1262 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64) 1263 */ 1264 enum nft_last_attributes { 1265 NFTA_LAST_UNSPEC, 1266 NFTA_LAST_SET, 1267 NFTA_LAST_MSECS, 1268 NFTA_LAST_PAD, 1269 __NFTA_LAST_MAX 1270 }; 1271 #define NFTA_LAST_MAX (__NFTA_LAST_MAX - 1) 1272 1273 /** 1274 * enum nft_log_attributes - nf_tables log expression netlink attributes 1275 * 1276 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16) 1277 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) 1278 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) 1279 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16) 1280 * @NFTA_LOG_LEVEL: log level (NLA_U32) 1281 * @NFTA_LOG_FLAGS: logging flags (NLA_U32) 1282 */ 1283 enum nft_log_attributes { 1284 NFTA_LOG_UNSPEC, 1285 NFTA_LOG_GROUP, 1286 NFTA_LOG_PREFIX, 1287 NFTA_LOG_SNAPLEN, 1288 NFTA_LOG_QTHRESHOLD, 1289 NFTA_LOG_LEVEL, 1290 NFTA_LOG_FLAGS, 1291 __NFTA_LOG_MAX 1292 }; 1293 #define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) 1294 1295 /** 1296 * enum nft_log_level - nf_tables log levels 1297 * 1298 * @NFT_LOGLEVEL_EMERG: system is unusable 1299 * @NFT_LOGLEVEL_ALERT: action must be taken immediately 1300 * @NFT_LOGLEVEL_CRIT: critical conditions 1301 * @NFT_LOGLEVEL_ERR: error conditions 1302 * @NFT_LOGLEVEL_WARNING: warning conditions 1303 * @NFT_LOGLEVEL_NOTICE: normal but significant condition 1304 * @NFT_LOGLEVEL_INFO: informational 1305 * @NFT_LOGLEVEL_DEBUG: debug-level messages 1306 * @NFT_LOGLEVEL_AUDIT: enabling audit logging 1307 */ 1308 enum nft_log_level { 1309 NFT_LOGLEVEL_EMERG, 1310 NFT_LOGLEVEL_ALERT, 1311 NFT_LOGLEVEL_CRIT, 1312 NFT_LOGLEVEL_ERR, 1313 NFT_LOGLEVEL_WARNING, 1314 NFT_LOGLEVEL_NOTICE, 1315 NFT_LOGLEVEL_INFO, 1316 NFT_LOGLEVEL_DEBUG, 1317 NFT_LOGLEVEL_AUDIT, 1318 __NFT_LOGLEVEL_MAX 1319 }; 1320 #define NFT_LOGLEVEL_MAX (__NFT_LOGLEVEL_MAX - 1) 1321 1322 /** 1323 * enum nft_queue_attributes - nf_tables queue expression netlink attributes 1324 * 1325 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) 1326 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) 1327 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) 1328 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) 1329 */ 1330 enum nft_queue_attributes { 1331 NFTA_QUEUE_UNSPEC, 1332 NFTA_QUEUE_NUM, 1333 NFTA_QUEUE_TOTAL, 1334 NFTA_QUEUE_FLAGS, 1335 NFTA_QUEUE_SREG_QNUM, 1336 __NFTA_QUEUE_MAX 1337 }; 1338 #define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) 1339 1340 #define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ 1341 #define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ 1342 #define NFT_QUEUE_FLAG_MASK 0x03 1343 1344 enum nft_quota_flags { 1345 NFT_QUOTA_F_INV = (1 << 0), 1346 NFT_QUOTA_F_DEPLETED = (1 << 1), 1347 }; 1348 1349 /** 1350 * enum nft_quota_attributes - nf_tables quota expression netlink attributes 1351 * 1352 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) 1353 * @NFTA_QUOTA_FLAGS: flags (NLA_U32) 1354 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64) 1355 */ 1356 enum nft_quota_attributes { 1357 NFTA_QUOTA_UNSPEC, 1358 NFTA_QUOTA_BYTES, 1359 NFTA_QUOTA_FLAGS, 1360 NFTA_QUOTA_PAD, 1361 NFTA_QUOTA_CONSUMED, 1362 __NFTA_QUOTA_MAX 1363 }; 1364 #define NFTA_QUOTA_MAX (__NFTA_QUOTA_MAX - 1) 1365 1366 /** 1367 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes 1368 * 1369 * @NFTA_SECMARK_CTX: security context (NLA_STRING) 1370 */ 1371 enum nft_secmark_attributes { 1372 NFTA_SECMARK_UNSPEC, 1373 NFTA_SECMARK_CTX, 1374 __NFTA_SECMARK_MAX, 1375 }; 1376 #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) 1377 1378 /* Max security context length */ 1379 #define NFT_SECMARK_CTX_MAXLEN 4096 1380 1381 /** 1382 * enum nft_reject_types - nf_tables reject expression reject types 1383 * 1384 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable 1385 * @NFT_REJECT_TCP_RST: reject using TCP RST 1386 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet 1387 */ 1388 enum nft_reject_types { 1389 NFT_REJECT_ICMP_UNREACH, 1390 NFT_REJECT_TCP_RST, 1391 NFT_REJECT_ICMPX_UNREACH, 1392 }; 1393 1394 /** 1395 * enum nft_reject_code - Generic reject codes for IPv4/IPv6 1396 * 1397 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable 1398 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable 1399 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable 1400 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited 1401 * 1402 * These codes are mapped to real ICMP and ICMPv6 codes. 1403 */ 1404 enum nft_reject_inet_code { 1405 NFT_REJECT_ICMPX_NO_ROUTE = 0, 1406 NFT_REJECT_ICMPX_PORT_UNREACH, 1407 NFT_REJECT_ICMPX_HOST_UNREACH, 1408 NFT_REJECT_ICMPX_ADMIN_PROHIBITED, 1409 __NFT_REJECT_ICMPX_MAX 1410 }; 1411 #define NFT_REJECT_ICMPX_MAX (__NFT_REJECT_ICMPX_MAX - 1) 1412 1413 /** 1414 * enum nft_reject_attributes - nf_tables reject expression netlink attributes 1415 * 1416 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) 1417 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) 1418 */ 1419 enum nft_reject_attributes { 1420 NFTA_REJECT_UNSPEC, 1421 NFTA_REJECT_TYPE, 1422 NFTA_REJECT_ICMP_CODE, 1423 __NFTA_REJECT_MAX 1424 }; 1425 #define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) 1426 1427 /** 1428 * enum nft_nat_types - nf_tables nat expression NAT types 1429 * 1430 * @NFT_NAT_SNAT: source NAT 1431 * @NFT_NAT_DNAT: destination NAT 1432 */ 1433 enum nft_nat_types { 1434 NFT_NAT_SNAT, 1435 NFT_NAT_DNAT, 1436 }; 1437 1438 /** 1439 * enum nft_nat_attributes - nf_tables nat expression netlink attributes 1440 * 1441 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) 1442 * @NFTA_NAT_FAMILY: NAT family (NLA_U32) 1443 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) 1444 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) 1445 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1446 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1447 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1448 */ 1449 enum nft_nat_attributes { 1450 NFTA_NAT_UNSPEC, 1451 NFTA_NAT_TYPE, 1452 NFTA_NAT_FAMILY, 1453 NFTA_NAT_REG_ADDR_MIN, 1454 NFTA_NAT_REG_ADDR_MAX, 1455 NFTA_NAT_REG_PROTO_MIN, 1456 NFTA_NAT_REG_PROTO_MAX, 1457 NFTA_NAT_FLAGS, 1458 __NFTA_NAT_MAX 1459 }; 1460 #define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) 1461 1462 /** 1463 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes 1464 * 1465 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers) 1466 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers) 1467 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers) 1468 */ 1469 enum nft_tproxy_attributes { 1470 NFTA_TPROXY_UNSPEC, 1471 NFTA_TPROXY_FAMILY, 1472 NFTA_TPROXY_REG_ADDR, 1473 NFTA_TPROXY_REG_PORT, 1474 __NFTA_TPROXY_MAX 1475 }; 1476 #define NFTA_TPROXY_MAX (__NFTA_TPROXY_MAX - 1) 1477 1478 /** 1479 * enum nft_masq_attributes - nf_tables masquerade expression attributes 1480 * 1481 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1482 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1483 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1484 */ 1485 enum nft_masq_attributes { 1486 NFTA_MASQ_UNSPEC, 1487 NFTA_MASQ_FLAGS, 1488 NFTA_MASQ_REG_PROTO_MIN, 1489 NFTA_MASQ_REG_PROTO_MAX, 1490 __NFTA_MASQ_MAX 1491 }; 1492 #define NFTA_MASQ_MAX (__NFTA_MASQ_MAX - 1) 1493 1494 /** 1495 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes 1496 * 1497 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) 1498 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) 1499 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) 1500 */ 1501 enum nft_redir_attributes { 1502 NFTA_REDIR_UNSPEC, 1503 NFTA_REDIR_REG_PROTO_MIN, 1504 NFTA_REDIR_REG_PROTO_MAX, 1505 NFTA_REDIR_FLAGS, 1506 __NFTA_REDIR_MAX 1507 }; 1508 #define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1) 1509 1510 /** 1511 * enum nft_dup_attributes - nf_tables dup expression netlink attributes 1512 * 1513 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) 1514 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1515 */ 1516 enum nft_dup_attributes { 1517 NFTA_DUP_UNSPEC, 1518 NFTA_DUP_SREG_ADDR, 1519 NFTA_DUP_SREG_DEV, 1520 __NFTA_DUP_MAX 1521 }; 1522 #define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1) 1523 1524 /** 1525 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes 1526 * 1527 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) 1528 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register) 1529 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto) 1530 */ 1531 enum nft_fwd_attributes { 1532 NFTA_FWD_UNSPEC, 1533 NFTA_FWD_SREG_DEV, 1534 NFTA_FWD_SREG_ADDR, 1535 NFTA_FWD_NFPROTO, 1536 __NFTA_FWD_MAX 1537 }; 1538 #define NFTA_FWD_MAX (__NFTA_FWD_MAX - 1) 1539 1540 /** 1541 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes 1542 * 1543 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register) 1544 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING) 1545 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers) 1546 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING) 1547 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32) 1548 */ 1549 enum nft_objref_attributes { 1550 NFTA_OBJREF_UNSPEC, 1551 NFTA_OBJREF_IMM_TYPE, 1552 NFTA_OBJREF_IMM_NAME, 1553 NFTA_OBJREF_SET_SREG, 1554 NFTA_OBJREF_SET_NAME, 1555 NFTA_OBJREF_SET_ID, 1556 __NFTA_OBJREF_MAX 1557 }; 1558 #define NFTA_OBJREF_MAX (__NFTA_OBJREF_MAX - 1) 1559 1560 /** 1561 * enum nft_gen_attributes - nf_tables ruleset generation attributes 1562 * 1563 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) 1564 */ 1565 enum nft_gen_attributes { 1566 NFTA_GEN_UNSPEC, 1567 NFTA_GEN_ID, 1568 NFTA_GEN_PROC_PID, 1569 NFTA_GEN_PROC_NAME, 1570 __NFTA_GEN_MAX 1571 }; 1572 #define NFTA_GEN_MAX (__NFTA_GEN_MAX - 1) 1573 1574 /* 1575 * enum nft_fib_attributes - nf_tables fib expression netlink attributes 1576 * 1577 * @NFTA_FIB_DREG: destination register (NLA_U32) 1578 * @NFTA_FIB_RESULT: desired result (NLA_U32) 1579 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) 1580 * 1581 * The FIB expression performs a route lookup according 1582 * to the packet data. 1583 */ 1584 enum nft_fib_attributes { 1585 NFTA_FIB_UNSPEC, 1586 NFTA_FIB_DREG, 1587 NFTA_FIB_RESULT, 1588 NFTA_FIB_FLAGS, 1589 __NFTA_FIB_MAX 1590 }; 1591 #define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1) 1592 1593 enum nft_fib_result { 1594 NFT_FIB_RESULT_UNSPEC, 1595 NFT_FIB_RESULT_OIF, 1596 NFT_FIB_RESULT_OIFNAME, 1597 NFT_FIB_RESULT_ADDRTYPE, 1598 __NFT_FIB_RESULT_MAX 1599 }; 1600 #define NFT_FIB_RESULT_MAX (__NFT_FIB_RESULT_MAX - 1) 1601 1602 enum nft_fib_flags { 1603 NFTA_FIB_F_SADDR = 1 << 0, /* look up src */ 1604 NFTA_FIB_F_DADDR = 1 << 1, /* look up dst */ 1605 NFTA_FIB_F_MARK = 1 << 2, /* use skb->mark */ 1606 NFTA_FIB_F_IIF = 1 << 3, /* restrict to iif */ 1607 NFTA_FIB_F_OIF = 1 << 4, /* restrict to oif */ 1608 NFTA_FIB_F_PRESENT = 1 << 5, /* check existence only */ 1609 }; 1610 1611 enum nft_ct_helper_attributes { 1612 NFTA_CT_HELPER_UNSPEC, 1613 NFTA_CT_HELPER_NAME, 1614 NFTA_CT_HELPER_L3PROTO, 1615 NFTA_CT_HELPER_L4PROTO, 1616 __NFTA_CT_HELPER_MAX, 1617 }; 1618 #define NFTA_CT_HELPER_MAX (__NFTA_CT_HELPER_MAX - 1) 1619 1620 enum nft_ct_timeout_timeout_attributes { 1621 NFTA_CT_TIMEOUT_UNSPEC, 1622 NFTA_CT_TIMEOUT_L3PROTO, 1623 NFTA_CT_TIMEOUT_L4PROTO, 1624 NFTA_CT_TIMEOUT_DATA, 1625 __NFTA_CT_TIMEOUT_MAX, 1626 }; 1627 #define NFTA_CT_TIMEOUT_MAX (__NFTA_CT_TIMEOUT_MAX - 1) 1628 1629 enum nft_ct_expectation_attributes { 1630 NFTA_CT_EXPECT_UNSPEC, 1631 NFTA_CT_EXPECT_L3PROTO, 1632 NFTA_CT_EXPECT_L4PROTO, 1633 NFTA_CT_EXPECT_DPORT, 1634 NFTA_CT_EXPECT_TIMEOUT, 1635 NFTA_CT_EXPECT_SIZE, 1636 __NFTA_CT_EXPECT_MAX, 1637 }; 1638 #define NFTA_CT_EXPECT_MAX (__NFTA_CT_EXPECT_MAX - 1) 1639 1640 #define NFT_OBJECT_UNSPEC 0 1641 #define NFT_OBJECT_COUNTER 1 1642 #define NFT_OBJECT_QUOTA 2 1643 #define NFT_OBJECT_CT_HELPER 3 1644 #define NFT_OBJECT_LIMIT 4 1645 #define NFT_OBJECT_CONNLIMIT 5 1646 #define NFT_OBJECT_TUNNEL 6 1647 #define NFT_OBJECT_CT_TIMEOUT 7 1648 #define NFT_OBJECT_SECMARK 8 1649 #define NFT_OBJECT_CT_EXPECT 9 1650 #define NFT_OBJECT_SYNPROXY 10 1651 #define __NFT_OBJECT_MAX 11 1652 #define NFT_OBJECT_MAX (__NFT_OBJECT_MAX - 1) 1653 1654 /** 1655 * enum nft_object_attributes - nf_tables stateful object netlink attributes 1656 * 1657 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING) 1658 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING) 1659 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32) 1660 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) 1661 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) 1662 * @NFTA_OBJ_HANDLE: object handle (NLA_U64) 1663 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY) 1664 */ 1665 enum nft_object_attributes { 1666 NFTA_OBJ_UNSPEC, 1667 NFTA_OBJ_TABLE, 1668 NFTA_OBJ_NAME, 1669 NFTA_OBJ_TYPE, 1670 NFTA_OBJ_DATA, 1671 NFTA_OBJ_USE, 1672 NFTA_OBJ_HANDLE, 1673 NFTA_OBJ_PAD, 1674 NFTA_OBJ_USERDATA, 1675 __NFTA_OBJ_MAX 1676 }; 1677 #define NFTA_OBJ_MAX (__NFTA_OBJ_MAX - 1) 1678 1679 /** 1680 * enum nft_flowtable_flags - nf_tables flowtable flags 1681 * 1682 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled 1683 * @NFT_FLOWTABLE_COUNTER: enable flow counters 1684 */ 1685 enum nft_flowtable_flags { 1686 NFT_FLOWTABLE_HW_OFFLOAD = 0x1, 1687 NFT_FLOWTABLE_COUNTER = 0x2, 1688 NFT_FLOWTABLE_MASK = (NFT_FLOWTABLE_HW_OFFLOAD | 1689 NFT_FLOWTABLE_COUNTER) 1690 }; 1691 1692 /** 1693 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes 1694 * 1695 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) 1696 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) 1697 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration (NLA_NESTED) 1698 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) 1699 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) 1700 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32) 1701 */ 1702 enum nft_flowtable_attributes { 1703 NFTA_FLOWTABLE_UNSPEC, 1704 NFTA_FLOWTABLE_TABLE, 1705 NFTA_FLOWTABLE_NAME, 1706 NFTA_FLOWTABLE_HOOK, 1707 NFTA_FLOWTABLE_USE, 1708 NFTA_FLOWTABLE_HANDLE, 1709 NFTA_FLOWTABLE_PAD, 1710 NFTA_FLOWTABLE_FLAGS, 1711 __NFTA_FLOWTABLE_MAX 1712 }; 1713 #define NFTA_FLOWTABLE_MAX (__NFTA_FLOWTABLE_MAX - 1) 1714 1715 /** 1716 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes 1717 * 1718 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32) 1719 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32) 1720 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED) 1721 */ 1722 enum nft_flowtable_hook_attributes { 1723 NFTA_FLOWTABLE_HOOK_UNSPEC, 1724 NFTA_FLOWTABLE_HOOK_NUM, 1725 NFTA_FLOWTABLE_HOOK_PRIORITY, 1726 NFTA_FLOWTABLE_HOOK_DEVS, 1727 __NFTA_FLOWTABLE_HOOK_MAX 1728 }; 1729 #define NFTA_FLOWTABLE_HOOK_MAX (__NFTA_FLOWTABLE_HOOK_MAX - 1) 1730 1731 /** 1732 * enum nft_osf_attributes - nftables osf expression netlink attributes 1733 * 1734 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers) 1735 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8) 1736 * @NFTA_OSF_FLAGS: flags (NLA_U32) 1737 */ 1738 enum nft_osf_attributes { 1739 NFTA_OSF_UNSPEC, 1740 NFTA_OSF_DREG, 1741 NFTA_OSF_TTL, 1742 NFTA_OSF_FLAGS, 1743 __NFTA_OSF_MAX, 1744 }; 1745 #define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1) 1746 1747 enum nft_osf_flags { 1748 NFT_OSF_F_VERSION = (1 << 0), 1749 }; 1750 1751 /** 1752 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes 1753 * 1754 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16) 1755 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8) 1756 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32) 1757 */ 1758 enum nft_synproxy_attributes { 1759 NFTA_SYNPROXY_UNSPEC, 1760 NFTA_SYNPROXY_MSS, 1761 NFTA_SYNPROXY_WSCALE, 1762 NFTA_SYNPROXY_FLAGS, 1763 __NFTA_SYNPROXY_MAX, 1764 }; 1765 #define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1) 1766 1767 /** 1768 * enum nft_device_attributes - nf_tables device netlink attributes 1769 * 1770 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING) 1771 */ 1772 enum nft_devices_attributes { 1773 NFTA_DEVICE_UNSPEC, 1774 NFTA_DEVICE_NAME, 1775 __NFTA_DEVICE_MAX 1776 }; 1777 #define NFTA_DEVICE_MAX (__NFTA_DEVICE_MAX - 1) 1778 1779 /* 1780 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes 1781 * 1782 * @NFTA_XFRM_DREG: destination register (NLA_U32) 1783 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32) 1784 * @NFTA_XFRM_DIR: direction (NLA_U8) 1785 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32) 1786 */ 1787 enum nft_xfrm_attributes { 1788 NFTA_XFRM_UNSPEC, 1789 NFTA_XFRM_DREG, 1790 NFTA_XFRM_KEY, 1791 NFTA_XFRM_DIR, 1792 NFTA_XFRM_SPNUM, 1793 __NFTA_XFRM_MAX 1794 }; 1795 #define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1) 1796 1797 enum nft_xfrm_keys { 1798 NFT_XFRM_KEY_UNSPEC, 1799 NFT_XFRM_KEY_DADDR_IP4, 1800 NFT_XFRM_KEY_DADDR_IP6, 1801 NFT_XFRM_KEY_SADDR_IP4, 1802 NFT_XFRM_KEY_SADDR_IP6, 1803 NFT_XFRM_KEY_REQID, 1804 NFT_XFRM_KEY_SPI, 1805 __NFT_XFRM_KEY_MAX, 1806 }; 1807 #define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1) 1808 1809 /** 1810 * enum nft_trace_attributes - nf_tables trace netlink attributes 1811 * 1812 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) 1813 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) 1814 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) 1815 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) 1816 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) 1817 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) 1818 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) 1819 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) 1820 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) 1821 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) 1822 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) 1823 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) 1824 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) 1825 * @NFTA_TRACE_MARK: nfmark (NLA_U32) 1826 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) 1827 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) 1828 */ 1829 enum nft_trace_attributes { 1830 NFTA_TRACE_UNSPEC, 1831 NFTA_TRACE_TABLE, 1832 NFTA_TRACE_CHAIN, 1833 NFTA_TRACE_RULE_HANDLE, 1834 NFTA_TRACE_TYPE, 1835 NFTA_TRACE_VERDICT, 1836 NFTA_TRACE_ID, 1837 NFTA_TRACE_LL_HEADER, 1838 NFTA_TRACE_NETWORK_HEADER, 1839 NFTA_TRACE_TRANSPORT_HEADER, 1840 NFTA_TRACE_IIF, 1841 NFTA_TRACE_IIFTYPE, 1842 NFTA_TRACE_OIF, 1843 NFTA_TRACE_OIFTYPE, 1844 NFTA_TRACE_MARK, 1845 NFTA_TRACE_NFPROTO, 1846 NFTA_TRACE_POLICY, 1847 NFTA_TRACE_PAD, 1848 __NFTA_TRACE_MAX 1849 }; 1850 #define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1) 1851 1852 enum nft_trace_types { 1853 NFT_TRACETYPE_UNSPEC, 1854 NFT_TRACETYPE_POLICY, 1855 NFT_TRACETYPE_RETURN, 1856 NFT_TRACETYPE_RULE, 1857 __NFT_TRACETYPE_MAX 1858 }; 1859 #define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1) 1860 1861 /** 1862 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes 1863 * 1864 * @NFTA_NG_DREG: destination register (NLA_U32) 1865 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) 1866 * @NFTA_NG_TYPE: operation type (NLA_U32) 1867 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) 1868 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING) 1869 * @NFTA_NG_SET_ID: id of the map (NLA_U32) 1870 */ 1871 enum nft_ng_attributes { 1872 NFTA_NG_UNSPEC, 1873 NFTA_NG_DREG, 1874 NFTA_NG_MODULUS, 1875 NFTA_NG_TYPE, 1876 NFTA_NG_OFFSET, 1877 NFTA_NG_SET_NAME, /* deprecated */ 1878 NFTA_NG_SET_ID, /* deprecated */ 1879 __NFTA_NG_MAX 1880 }; 1881 #define NFTA_NG_MAX (__NFTA_NG_MAX - 1) 1882 1883 enum nft_ng_types { 1884 NFT_NG_INCREMENTAL, 1885 NFT_NG_RANDOM, 1886 __NFT_NG_MAX 1887 }; 1888 #define NFT_NG_MAX (__NFT_NG_MAX - 1) 1889 1890 enum nft_tunnel_key_ip_attributes { 1891 NFTA_TUNNEL_KEY_IP_UNSPEC, 1892 NFTA_TUNNEL_KEY_IP_SRC, 1893 NFTA_TUNNEL_KEY_IP_DST, 1894 __NFTA_TUNNEL_KEY_IP_MAX 1895 }; 1896 #define NFTA_TUNNEL_KEY_IP_MAX (__NFTA_TUNNEL_KEY_IP_MAX - 1) 1897 1898 enum nft_tunnel_ip6_attributes { 1899 NFTA_TUNNEL_KEY_IP6_UNSPEC, 1900 NFTA_TUNNEL_KEY_IP6_SRC, 1901 NFTA_TUNNEL_KEY_IP6_DST, 1902 NFTA_TUNNEL_KEY_IP6_FLOWLABEL, 1903 __NFTA_TUNNEL_KEY_IP6_MAX 1904 }; 1905 #define NFTA_TUNNEL_KEY_IP6_MAX (__NFTA_TUNNEL_KEY_IP6_MAX - 1) 1906 1907 enum nft_tunnel_opts_attributes { 1908 NFTA_TUNNEL_KEY_OPTS_UNSPEC, 1909 NFTA_TUNNEL_KEY_OPTS_VXLAN, 1910 NFTA_TUNNEL_KEY_OPTS_ERSPAN, 1911 NFTA_TUNNEL_KEY_OPTS_GENEVE, 1912 __NFTA_TUNNEL_KEY_OPTS_MAX 1913 }; 1914 #define NFTA_TUNNEL_KEY_OPTS_MAX (__NFTA_TUNNEL_KEY_OPTS_MAX - 1) 1915 1916 enum nft_tunnel_opts_vxlan_attributes { 1917 NFTA_TUNNEL_KEY_VXLAN_UNSPEC, 1918 NFTA_TUNNEL_KEY_VXLAN_GBP, 1919 __NFTA_TUNNEL_KEY_VXLAN_MAX 1920 }; 1921 #define NFTA_TUNNEL_KEY_VXLAN_MAX (__NFTA_TUNNEL_KEY_VXLAN_MAX - 1) 1922 1923 enum nft_tunnel_opts_erspan_attributes { 1924 NFTA_TUNNEL_KEY_ERSPAN_UNSPEC, 1925 NFTA_TUNNEL_KEY_ERSPAN_VERSION, 1926 NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX, 1927 NFTA_TUNNEL_KEY_ERSPAN_V2_HWID, 1928 NFTA_TUNNEL_KEY_ERSPAN_V2_DIR, 1929 __NFTA_TUNNEL_KEY_ERSPAN_MAX 1930 }; 1931 #define NFTA_TUNNEL_KEY_ERSPAN_MAX (__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1) 1932 1933 enum nft_tunnel_opts_geneve_attributes { 1934 NFTA_TUNNEL_KEY_GENEVE_UNSPEC, 1935 NFTA_TUNNEL_KEY_GENEVE_CLASS, 1936 NFTA_TUNNEL_KEY_GENEVE_TYPE, 1937 NFTA_TUNNEL_KEY_GENEVE_DATA, 1938 __NFTA_TUNNEL_KEY_GENEVE_MAX 1939 }; 1940 #define NFTA_TUNNEL_KEY_GENEVE_MAX (__NFTA_TUNNEL_KEY_GENEVE_MAX - 1) 1941 1942 enum nft_tunnel_flags { 1943 NFT_TUNNEL_F_ZERO_CSUM_TX = (1 << 0), 1944 NFT_TUNNEL_F_DONT_FRAGMENT = (1 << 1), 1945 NFT_TUNNEL_F_SEQ_NUMBER = (1 << 2), 1946 }; 1947 #define NFT_TUNNEL_F_MASK (NFT_TUNNEL_F_ZERO_CSUM_TX | \ 1948 NFT_TUNNEL_F_DONT_FRAGMENT | \ 1949 NFT_TUNNEL_F_SEQ_NUMBER) 1950 1951 enum nft_tunnel_key_attributes { 1952 NFTA_TUNNEL_KEY_UNSPEC, 1953 NFTA_TUNNEL_KEY_ID, 1954 NFTA_TUNNEL_KEY_IP, 1955 NFTA_TUNNEL_KEY_IP6, 1956 NFTA_TUNNEL_KEY_FLAGS, 1957 NFTA_TUNNEL_KEY_TOS, 1958 NFTA_TUNNEL_KEY_TTL, 1959 NFTA_TUNNEL_KEY_SPORT, 1960 NFTA_TUNNEL_KEY_DPORT, 1961 NFTA_TUNNEL_KEY_OPTS, 1962 __NFTA_TUNNEL_KEY_MAX 1963 }; 1964 #define NFTA_TUNNEL_KEY_MAX (__NFTA_TUNNEL_KEY_MAX - 1) 1965 1966 enum nft_tunnel_keys { 1967 NFT_TUNNEL_PATH, 1968 NFT_TUNNEL_ID, 1969 __NFT_TUNNEL_MAX 1970 }; 1971 #define NFT_TUNNEL_MAX (__NFT_TUNNEL_MAX - 1) 1972 1973 enum nft_tunnel_mode { 1974 NFT_TUNNEL_MODE_NONE, 1975 NFT_TUNNEL_MODE_RX, 1976 NFT_TUNNEL_MODE_TX, 1977 __NFT_TUNNEL_MODE_MAX 1978 }; 1979 #define NFT_TUNNEL_MODE_MAX (__NFT_TUNNEL_MODE_MAX - 1) 1980 1981 enum nft_tunnel_attributes { 1982 NFTA_TUNNEL_UNSPEC, 1983 NFTA_TUNNEL_KEY, 1984 NFTA_TUNNEL_DREG, 1985 NFTA_TUNNEL_MODE, 1986 __NFTA_TUNNEL_MAX 1987 }; 1988 #define NFTA_TUNNEL_MAX (__NFTA_TUNNEL_MAX - 1) 1989 1990 #endif /* _LINUX_NF_TABLES_H */ 1991