nf_tables.h

   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 */
  22enum 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 */
  64enum 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 */
 110enum 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 */
 153enum 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 */
 168enum 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 */
 185enum 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 */
 203enum 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
 216enum 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 */
 240enum 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 */
 272enum 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 */
 295enum 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 */
 307enum 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 */
 328enum 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 */
 346enum 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 */
 357enum 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 */
 370enum 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 * @NFTA_SET_TYPE: set backend type (NLA_STRING)
 398 * @NFTA_SET_COUNT: number of set elements (NLA_U32)
 399 */
 400enum nft_set_attributes {
 401	NFTA_SET_UNSPEC,
 402	NFTA_SET_TABLE,
 403	NFTA_SET_NAME,
 404	NFTA_SET_FLAGS,
 405	NFTA_SET_KEY_TYPE,
 406	NFTA_SET_KEY_LEN,
 407	NFTA_SET_DATA_TYPE,
 408	NFTA_SET_DATA_LEN,
 409	NFTA_SET_POLICY,
 410	NFTA_SET_DESC,
 411	NFTA_SET_ID,
 412	NFTA_SET_TIMEOUT,
 413	NFTA_SET_GC_INTERVAL,
 414	NFTA_SET_USERDATA,
 415	NFTA_SET_PAD,
 416	NFTA_SET_OBJ_TYPE,
 417	NFTA_SET_HANDLE,
 418	NFTA_SET_EXPR,
 419	NFTA_SET_EXPRESSIONS,
 420	NFTA_SET_TYPE,
 421	NFTA_SET_COUNT,
 422	__NFTA_SET_MAX
 423};
 424#define NFTA_SET_MAX		(__NFTA_SET_MAX - 1)
 425
 426/**
 427 * enum nft_set_elem_flags - nf_tables set element flags
 428 *
 429 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
 430 * @NFT_SET_ELEM_CATCHALL: special catch-all element
 431 */
 432enum nft_set_elem_flags {
 433	NFT_SET_ELEM_INTERVAL_END	= 0x1,
 434	NFT_SET_ELEM_CATCHALL		= 0x2,
 435};
 436
 437/**
 438 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
 439 *
 440 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
 441 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
 442 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
 443 * @NFTA_SET_ELEM_TIMEOUT: timeout value, zero means never times out (NLA_U64)
 444 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
 445 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
 446 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
 447 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
 448 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data)
 449 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
 450 */
 451enum nft_set_elem_attributes {
 452	NFTA_SET_ELEM_UNSPEC,
 453	NFTA_SET_ELEM_KEY,
 454	NFTA_SET_ELEM_DATA,
 455	NFTA_SET_ELEM_FLAGS,
 456	NFTA_SET_ELEM_TIMEOUT,
 457	NFTA_SET_ELEM_EXPIRATION,
 458	NFTA_SET_ELEM_USERDATA,
 459	NFTA_SET_ELEM_EXPR,
 460	NFTA_SET_ELEM_PAD,
 461	NFTA_SET_ELEM_OBJREF,
 462	NFTA_SET_ELEM_KEY_END,
 463	NFTA_SET_ELEM_EXPRESSIONS,
 464	__NFTA_SET_ELEM_MAX
 465};
 466#define NFTA_SET_ELEM_MAX	(__NFTA_SET_ELEM_MAX - 1)
 467
 468/**
 469 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
 470 *
 471 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
 472 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
 473 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
 474 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
 475 */
 476enum nft_set_elem_list_attributes {
 477	NFTA_SET_ELEM_LIST_UNSPEC,
 478	NFTA_SET_ELEM_LIST_TABLE,
 479	NFTA_SET_ELEM_LIST_SET,
 480	NFTA_SET_ELEM_LIST_ELEMENTS,
 481	NFTA_SET_ELEM_LIST_SET_ID,
 482	__NFTA_SET_ELEM_LIST_MAX
 483};
 484#define NFTA_SET_ELEM_LIST_MAX	(__NFTA_SET_ELEM_LIST_MAX - 1)
 485
 486/**
 487 * enum nft_data_types - nf_tables data types
 488 *
 489 * @NFT_DATA_VALUE: generic data
 490 * @NFT_DATA_VERDICT: netfilter verdict
 491 *
 492 * The type of data is usually determined by the kernel directly and is not
 493 * explicitly specified by userspace. The only difference are sets, where
 494 * userspace specifies the key and mapping data types.
 495 *
 496 * The values 0xffffff00-0xffffffff are reserved for internally used types.
 497 * The remaining range can be freely used by userspace to encode types, all
 498 * values are equivalent to NFT_DATA_VALUE.
 499 */
 500enum nft_data_types {
 501	NFT_DATA_VALUE,
 502	NFT_DATA_VERDICT	= 0xffffff00U,
 503};
 504
 505#define NFT_DATA_RESERVED_MASK	0xffffff00U
 506
 507/**
 508 * enum nft_data_attributes - nf_tables data netlink attributes
 509 *
 510 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
 511 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
 512 */
 513enum nft_data_attributes {
 514	NFTA_DATA_UNSPEC,
 515	NFTA_DATA_VALUE,
 516	NFTA_DATA_VERDICT,
 517	__NFTA_DATA_MAX
 518};
 519#define NFTA_DATA_MAX		(__NFTA_DATA_MAX - 1)
 520
 521/* Maximum length of a value */
 522#define NFT_DATA_VALUE_MAXLEN	64
 523
 524/**
 525 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
 526 *
 527 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
 528 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
 529 * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32)
 530 */
 531enum nft_verdict_attributes {
 532	NFTA_VERDICT_UNSPEC,
 533	NFTA_VERDICT_CODE,
 534	NFTA_VERDICT_CHAIN,
 535	NFTA_VERDICT_CHAIN_ID,
 536	__NFTA_VERDICT_MAX
 537};
 538#define NFTA_VERDICT_MAX	(__NFTA_VERDICT_MAX - 1)
 539
 540/**
 541 * enum nft_expr_attributes - nf_tables expression netlink attributes
 542 *
 543 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
 544 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
 545 */
 546enum nft_expr_attributes {
 547	NFTA_EXPR_UNSPEC,
 548	NFTA_EXPR_NAME,
 549	NFTA_EXPR_DATA,
 550	__NFTA_EXPR_MAX
 551};
 552#define NFTA_EXPR_MAX		(__NFTA_EXPR_MAX - 1)
 553
 554/**
 555 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
 556 *
 557 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
 558 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
 559 */
 560enum nft_immediate_attributes {
 561	NFTA_IMMEDIATE_UNSPEC,
 562	NFTA_IMMEDIATE_DREG,
 563	NFTA_IMMEDIATE_DATA,
 564	__NFTA_IMMEDIATE_MAX
 565};
 566#define NFTA_IMMEDIATE_MAX	(__NFTA_IMMEDIATE_MAX - 1)
 567
 568/**
 569 * enum nft_bitwise_ops - nf_tables bitwise operations
 570 *
 571 * @NFT_BITWISE_MASK_XOR: mask-and-xor operation used to implement NOT, AND, OR
 572 *                        and XOR boolean operations
 573 * @NFT_BITWISE_LSHIFT: left-shift operation
 574 * @NFT_BITWISE_RSHIFT: right-shift operation
 575 * @NFT_BITWISE_AND: and operation
 576 * @NFT_BITWISE_OR: or operation
 577 * @NFT_BITWISE_XOR: xor operation
 578 */
 579enum nft_bitwise_ops {
 580	NFT_BITWISE_MASK_XOR,
 581	NFT_BITWISE_LSHIFT,
 582	NFT_BITWISE_RSHIFT,
 583	NFT_BITWISE_AND,
 584	NFT_BITWISE_OR,
 585	NFT_BITWISE_XOR,
 586};
 587/*
 588 * Old name for NFT_BITWISE_MASK_XOR.  Retained for backwards-compatibility.
 589 */
 590#define NFT_BITWISE_BOOL NFT_BITWISE_MASK_XOR
 591
 592/**
 593 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
 594 *
 595 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
 596 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
 597 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
 598 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
 599 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
 600 * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops)
 601 * @NFTA_BITWISE_DATA: argument for non-boolean operations
 602 *                     (NLA_NESTED: nft_data_attributes)
 603 * @NFTA_BITWISE_SREG2: second source register (NLA_U32: nft_registers)
 604 *
 605 * The bitwise expression supports boolean and shift operations.  It implements
 606 * the boolean operations by performing the following operation:
 607 *
 608 * dreg = (sreg & mask) ^ xor
 609 *
 610 * with these mask and xor values:
 611 *
 612 * 		mask	xor
 613 * NOT:		1	1
 614 * OR:		~x	x
 615 * XOR:		1	x
 616 * AND:		x	0
 617 */
 618enum nft_bitwise_attributes {
 619	NFTA_BITWISE_UNSPEC,
 620	NFTA_BITWISE_SREG,
 621	NFTA_BITWISE_DREG,
 622	NFTA_BITWISE_LEN,
 623	NFTA_BITWISE_MASK,
 624	NFTA_BITWISE_XOR,
 625	NFTA_BITWISE_OP,
 626	NFTA_BITWISE_DATA,
 627	NFTA_BITWISE_SREG2,
 628	__NFTA_BITWISE_MAX
 629};
 630#define NFTA_BITWISE_MAX	(__NFTA_BITWISE_MAX - 1)
 631
 632/**
 633 * enum nft_byteorder_ops - nf_tables byteorder operators
 634 *
 635 * @NFT_BYTEORDER_NTOH: network to host operator
 636 * @NFT_BYTEORDER_HTON: host to network operator
 637 */
 638enum nft_byteorder_ops {
 639	NFT_BYTEORDER_NTOH,
 640	NFT_BYTEORDER_HTON,
 641};
 642
 643/**
 644 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
 645 *
 646 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
 647 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
 648 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
 649 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
 650 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
 651 */
 652enum nft_byteorder_attributes {
 653	NFTA_BYTEORDER_UNSPEC,
 654	NFTA_BYTEORDER_SREG,
 655	NFTA_BYTEORDER_DREG,
 656	NFTA_BYTEORDER_OP,
 657	NFTA_BYTEORDER_LEN,
 658	NFTA_BYTEORDER_SIZE,
 659	__NFTA_BYTEORDER_MAX
 660};
 661#define NFTA_BYTEORDER_MAX	(__NFTA_BYTEORDER_MAX - 1)
 662
 663/**
 664 * enum nft_cmp_ops - nf_tables relational operator
 665 *
 666 * @NFT_CMP_EQ: equal
 667 * @NFT_CMP_NEQ: not equal
 668 * @NFT_CMP_LT: less than
 669 * @NFT_CMP_LTE: less than or equal to
 670 * @NFT_CMP_GT: greater than
 671 * @NFT_CMP_GTE: greater than or equal to
 672 */
 673enum nft_cmp_ops {
 674	NFT_CMP_EQ,
 675	NFT_CMP_NEQ,
 676	NFT_CMP_LT,
 677	NFT_CMP_LTE,
 678	NFT_CMP_GT,
 679	NFT_CMP_GTE,
 680};
 681
 682/**
 683 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
 684 *
 685 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
 686 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
 687 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
 688 */
 689enum nft_cmp_attributes {
 690	NFTA_CMP_UNSPEC,
 691	NFTA_CMP_SREG,
 692	NFTA_CMP_OP,
 693	NFTA_CMP_DATA,
 694	__NFTA_CMP_MAX
 695};
 696#define NFTA_CMP_MAX		(__NFTA_CMP_MAX - 1)
 697
 698/**
 699 * enum nft_range_ops - nf_tables range operator
 700 *
 701 * @NFT_RANGE_EQ: equal
 702 * @NFT_RANGE_NEQ: not equal
 703 */
 704enum nft_range_ops {
 705	NFT_RANGE_EQ,
 706	NFT_RANGE_NEQ,
 707};
 708
 709/**
 710 * enum nft_range_attributes - nf_tables range expression netlink attributes
 711 *
 712 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
 713 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops)
 714 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
 715 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
 716 */
 717enum nft_range_attributes {
 718	NFTA_RANGE_UNSPEC,
 719	NFTA_RANGE_SREG,
 720	NFTA_RANGE_OP,
 721	NFTA_RANGE_FROM_DATA,
 722	NFTA_RANGE_TO_DATA,
 723	__NFTA_RANGE_MAX
 724};
 725#define NFTA_RANGE_MAX		(__NFTA_RANGE_MAX - 1)
 726
 727enum nft_lookup_flags {
 728	NFT_LOOKUP_F_INV = (1 << 0),
 729};
 730
 731/**
 732 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
 733 *
 734 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
 735 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
 736 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
 737 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
 738 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
 739 */
 740enum nft_lookup_attributes {
 741	NFTA_LOOKUP_UNSPEC,
 742	NFTA_LOOKUP_SET,
 743	NFTA_LOOKUP_SREG,
 744	NFTA_LOOKUP_DREG,
 745	NFTA_LOOKUP_SET_ID,
 746	NFTA_LOOKUP_FLAGS,
 747	__NFTA_LOOKUP_MAX
 748};
 749#define NFTA_LOOKUP_MAX		(__NFTA_LOOKUP_MAX - 1)
 750
 751enum nft_dynset_ops {
 752	NFT_DYNSET_OP_ADD,
 753	NFT_DYNSET_OP_UPDATE,
 754	NFT_DYNSET_OP_DELETE,
 755};
 756
 757enum nft_dynset_flags {
 758	NFT_DYNSET_F_INV	= (1 << 0),
 759	NFT_DYNSET_F_EXPR	= (1 << 1),
 760};
 761
 762/**
 763 * enum nft_dynset_attributes - dynset expression attributes
 764 *
 765 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
 766 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
 767 * @NFTA_DYNSET_OP: operation (NLA_U32)
 768 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
 769 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
 770 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
 771 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
 772 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
 773 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
 774 */
 775enum nft_dynset_attributes {
 776	NFTA_DYNSET_UNSPEC,
 777	NFTA_DYNSET_SET_NAME,
 778	NFTA_DYNSET_SET_ID,
 779	NFTA_DYNSET_OP,
 780	NFTA_DYNSET_SREG_KEY,
 781	NFTA_DYNSET_SREG_DATA,
 782	NFTA_DYNSET_TIMEOUT,
 783	NFTA_DYNSET_EXPR,
 784	NFTA_DYNSET_PAD,
 785	NFTA_DYNSET_FLAGS,
 786	NFTA_DYNSET_EXPRESSIONS,
 787	__NFTA_DYNSET_MAX,
 788};
 789#define NFTA_DYNSET_MAX		(__NFTA_DYNSET_MAX - 1)
 790
 791/**
 792 * enum nft_payload_bases - nf_tables payload expression offset bases
 793 *
 794 * @NFT_PAYLOAD_LL_HEADER: link layer header
 795 * @NFT_PAYLOAD_NETWORK_HEADER: network header
 796 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
 797 * @NFT_PAYLOAD_INNER_HEADER: inner header / payload
 798 */
 799enum nft_payload_bases {
 800	NFT_PAYLOAD_LL_HEADER,
 801	NFT_PAYLOAD_NETWORK_HEADER,
 802	NFT_PAYLOAD_TRANSPORT_HEADER,
 803	NFT_PAYLOAD_INNER_HEADER,
 804	NFT_PAYLOAD_TUN_HEADER,
 805};
 806
 807/**
 808 * enum nft_payload_csum_types - nf_tables payload expression checksum types
 809 *
 810 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
 811 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
 812 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309)
 813 */
 814enum nft_payload_csum_types {
 815	NFT_PAYLOAD_CSUM_NONE,
 816	NFT_PAYLOAD_CSUM_INET,
 817	NFT_PAYLOAD_CSUM_SCTP,
 818};
 819
 820enum nft_payload_csum_flags {
 821	NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
 822};
 823
 824enum nft_inner_type {
 825	NFT_INNER_UNSPEC	= 0,
 826	NFT_INNER_VXLAN,
 827	NFT_INNER_GENEVE,
 828};
 829
 830enum nft_inner_flags {
 831	NFT_INNER_HDRSIZE	= (1 << 0),
 832	NFT_INNER_LL		= (1 << 1),
 833	NFT_INNER_NH		= (1 << 2),
 834	NFT_INNER_TH		= (1 << 3),
 835};
 836#define NFT_INNER_MASK		(NFT_INNER_HDRSIZE | NFT_INNER_LL | \
 837				 NFT_INNER_NH | NFT_INNER_TH)
 838
 839enum nft_inner_attributes {
 840	NFTA_INNER_UNSPEC,
 841	NFTA_INNER_NUM,
 842	NFTA_INNER_TYPE,
 843	NFTA_INNER_FLAGS,
 844	NFTA_INNER_HDRSIZE,
 845	NFTA_INNER_EXPR,
 846	__NFTA_INNER_MAX
 847};
 848#define NFTA_INNER_MAX	(__NFTA_INNER_MAX - 1)
 849
 850/**
 851 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
 852 *
 853 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
 854 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
 855 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
 856 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
 857 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
 858 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
 859 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
 860 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
 861 */
 862enum nft_payload_attributes {
 863	NFTA_PAYLOAD_UNSPEC,
 864	NFTA_PAYLOAD_DREG,
 865	NFTA_PAYLOAD_BASE,
 866	NFTA_PAYLOAD_OFFSET,
 867	NFTA_PAYLOAD_LEN,
 868	NFTA_PAYLOAD_SREG,
 869	NFTA_PAYLOAD_CSUM_TYPE,
 870	NFTA_PAYLOAD_CSUM_OFFSET,
 871	NFTA_PAYLOAD_CSUM_FLAGS,
 872	__NFTA_PAYLOAD_MAX
 873};
 874#define NFTA_PAYLOAD_MAX	(__NFTA_PAYLOAD_MAX - 1)
 875
 876enum nft_exthdr_flags {
 877	NFT_EXTHDR_F_PRESENT = (1 << 0),
 878};
 879
 880/**
 881 * enum nft_exthdr_op - nf_tables match options
 882 *
 883 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
 884 * @NFT_EXTHDR_OP_TCPOPT: match against tcp options
 885 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options
 886 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks
 887 * @NFT_EXTHDR_OP_DCCP: match against dccp otions
 888 */
 889enum nft_exthdr_op {
 890	NFT_EXTHDR_OP_IPV6,
 891	NFT_EXTHDR_OP_TCPOPT,
 892	NFT_EXTHDR_OP_IPV4,
 893	NFT_EXTHDR_OP_SCTP,
 894	NFT_EXTHDR_OP_DCCP,
 895	__NFT_EXTHDR_OP_MAX
 896};
 897#define NFT_EXTHDR_OP_MAX	(__NFT_EXTHDR_OP_MAX - 1)
 898
 899/**
 900 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
 901 *
 902 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
 903 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
 904 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
 905 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
 906 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
 907 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
 908 * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers)
 909 */
 910enum nft_exthdr_attributes {
 911	NFTA_EXTHDR_UNSPEC,
 912	NFTA_EXTHDR_DREG,
 913	NFTA_EXTHDR_TYPE,
 914	NFTA_EXTHDR_OFFSET,
 915	NFTA_EXTHDR_LEN,
 916	NFTA_EXTHDR_FLAGS,
 917	NFTA_EXTHDR_OP,
 918	NFTA_EXTHDR_SREG,
 919	__NFTA_EXTHDR_MAX
 920};
 921#define NFTA_EXTHDR_MAX		(__NFTA_EXTHDR_MAX - 1)
 922
 923/**
 924 * enum nft_meta_keys - nf_tables meta expression keys
 925 *
 926 * @NFT_META_LEN: packet length (skb->len)
 927 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
 928 * @NFT_META_PRIORITY: packet priority (skb->priority)
 929 * @NFT_META_MARK: packet mark (skb->mark)
 930 * @NFT_META_IIF: packet input interface index (dev->ifindex)
 931 * @NFT_META_OIF: packet output interface index (dev->ifindex)
 932 * @NFT_META_IIFNAME: packet input interface name (dev->name)
 933 * @NFT_META_OIFNAME: packet output interface name (dev->name)
 934 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
 935 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
 936 * @NFT_META_SKUID: originating socket UID (fsuid)
 937 * @NFT_META_SKGID: originating socket GID (fsgid)
 938 * @NFT_META_NFTRACE: packet nftrace bit
 939 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
 940 * @NFT_META_SECMARK: packet secmark (skb->secmark)
 941 * @NFT_META_NFPROTO: netfilter protocol
 942 * @NFT_META_L4PROTO: layer 4 protocol number
 943 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
 944 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
 945 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
 946 * @NFT_META_CPU: cpu id through smp_processor_id()
 947 * @NFT_META_IIFGROUP: packet input interface group
 948 * @NFT_META_OIFGROUP: packet output interface group
 949 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
 950 * @NFT_META_PRANDOM: a 32bit pseudo-random number
 951 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
 952 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
 953 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
 954 * @NFT_META_BRI_IIFPVID: packet input bridge port pvid
 955 * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto
 956 * @NFT_META_TIME_NS: time since epoch (in nanoseconds)
 957 * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday)
 958 * @NFT_META_TIME_HOUR: hour of day (in seconds)
 959 * @NFT_META_SDIF: slave device interface index
 960 * @NFT_META_SDIFNAME: slave device interface name
 961 * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit
 962 * @NFT_META_BRI_IIFHWADDR: packet input bridge interface ethernet address
 963 */
 964enum nft_meta_keys {
 965	NFT_META_LEN,
 966	NFT_META_PROTOCOL,
 967	NFT_META_PRIORITY,
 968	NFT_META_MARK,
 969	NFT_META_IIF,
 970	NFT_META_OIF,
 971	NFT_META_IIFNAME,
 972	NFT_META_OIFNAME,
 973	NFT_META_IFTYPE,
 974#define NFT_META_IIFTYPE	NFT_META_IFTYPE
 975	NFT_META_OIFTYPE,
 976	NFT_META_SKUID,
 977	NFT_META_SKGID,
 978	NFT_META_NFTRACE,
 979	NFT_META_RTCLASSID,
 980	NFT_META_SECMARK,
 981	NFT_META_NFPROTO,
 982	NFT_META_L4PROTO,
 983	NFT_META_BRI_IIFNAME,
 984	NFT_META_BRI_OIFNAME,
 985	NFT_META_PKTTYPE,
 986	NFT_META_CPU,
 987	NFT_META_IIFGROUP,
 988	NFT_META_OIFGROUP,
 989	NFT_META_CGROUP,
 990	NFT_META_PRANDOM,
 991	NFT_META_SECPATH,
 992	NFT_META_IIFKIND,
 993	NFT_META_OIFKIND,
 994	NFT_META_BRI_IIFPVID,
 995	NFT_META_BRI_IIFVPROTO,
 996	NFT_META_TIME_NS,
 997	NFT_META_TIME_DAY,
 998	NFT_META_TIME_HOUR,
 999	NFT_META_SDIF,
1000	NFT_META_SDIFNAME,
1001	NFT_META_BRI_BROUTE,
1002	__NFT_META_IIFTYPE,
1003	NFT_META_BRI_IIFHWADDR,
1004};
1005
1006/**
1007 * enum nft_rt_keys - nf_tables routing expression keys
1008 *
1009 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
1010 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
1011 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
1012 * @NFT_RT_TCPMSS: fetch current path tcp mss
1013 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL
1014 */
1015enum nft_rt_keys {
1016	NFT_RT_CLASSID,
1017	NFT_RT_NEXTHOP4,
1018	NFT_RT_NEXTHOP6,
1019	NFT_RT_TCPMSS,
1020	NFT_RT_XFRM,
1021	__NFT_RT_MAX
1022};
1023#define NFT_RT_MAX		(__NFT_RT_MAX - 1)
1024
1025/**
1026 * enum nft_hash_types - nf_tables hash expression types
1027 *
1028 * @NFT_HASH_JENKINS: Jenkins Hash
1029 * @NFT_HASH_SYM: Symmetric Hash
1030 */
1031enum nft_hash_types {
1032	NFT_HASH_JENKINS,
1033	NFT_HASH_SYM,
1034};
1035
1036/**
1037 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
1038 *
1039 * @NFTA_HASH_SREG: source register (NLA_U32)
1040 * @NFTA_HASH_DREG: destination register (NLA_U32)
1041 * @NFTA_HASH_LEN: source data length (NLA_U32)
1042 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
1043 * @NFTA_HASH_SEED: seed value (NLA_U32)
1044 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
1045 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
1046 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
1047 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
1048 */
1049enum nft_hash_attributes {
1050	NFTA_HASH_UNSPEC,
1051	NFTA_HASH_SREG,
1052	NFTA_HASH_DREG,
1053	NFTA_HASH_LEN,
1054	NFTA_HASH_MODULUS,
1055	NFTA_HASH_SEED,
1056	NFTA_HASH_OFFSET,
1057	NFTA_HASH_TYPE,
1058	NFTA_HASH_SET_NAME,	/* deprecated */
1059	NFTA_HASH_SET_ID,	/* deprecated */
1060	__NFTA_HASH_MAX,
1061};
1062#define NFTA_HASH_MAX	(__NFTA_HASH_MAX - 1)
1063
1064/**
1065 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
1066 *
1067 * @NFTA_META_DREG: destination register (NLA_U32)
1068 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
1069 * @NFTA_META_SREG: source register (NLA_U32)
1070 */
1071enum nft_meta_attributes {
1072	NFTA_META_UNSPEC,
1073	NFTA_META_DREG,
1074	NFTA_META_KEY,
1075	NFTA_META_SREG,
1076	__NFTA_META_MAX
1077};
1078#define NFTA_META_MAX		(__NFTA_META_MAX - 1)
1079
1080/**
1081 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
1082 *
1083 * @NFTA_RT_DREG: destination register (NLA_U32)
1084 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
1085 */
1086enum nft_rt_attributes {
1087	NFTA_RT_UNSPEC,
1088	NFTA_RT_DREG,
1089	NFTA_RT_KEY,
1090	__NFTA_RT_MAX
1091};
1092#define NFTA_RT_MAX		(__NFTA_RT_MAX - 1)
1093
1094/**
1095 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
1096 *
1097 * @NFTA_SOCKET_KEY: socket key to match
1098 * @NFTA_SOCKET_DREG: destination register
1099 * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2)
1100 */
1101enum nft_socket_attributes {
1102	NFTA_SOCKET_UNSPEC,
1103	NFTA_SOCKET_KEY,
1104	NFTA_SOCKET_DREG,
1105	NFTA_SOCKET_LEVEL,
1106	__NFTA_SOCKET_MAX
1107};
1108#define NFTA_SOCKET_MAX		(__NFTA_SOCKET_MAX - 1)
1109
1110/*
1111 * enum nft_socket_keys - nf_tables socket expression keys
1112 *
1113 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option
1114 * @NFT_SOCKET_MARK: Value of the socket mark
1115 * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0)
1116 * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2
1117 */
1118enum nft_socket_keys {
1119	NFT_SOCKET_TRANSPARENT,
1120	NFT_SOCKET_MARK,
1121	NFT_SOCKET_WILDCARD,
1122	NFT_SOCKET_CGROUPV2,
1123	__NFT_SOCKET_MAX
1124};
1125#define NFT_SOCKET_MAX	(__NFT_SOCKET_MAX - 1)
1126
1127/**
1128 * enum nft_ct_keys - nf_tables ct expression keys
1129 *
1130 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
1131 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
1132 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
1133 * @NFT_CT_MARK: conntrack mark value
1134 * @NFT_CT_SECMARK: conntrack secmark value
1135 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
1136 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
1137 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
1138 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
1139 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
1140 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
1141 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
1142 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
1143 * @NFT_CT_LABELS: conntrack labels
1144 * @NFT_CT_PKTS: conntrack packets
1145 * @NFT_CT_BYTES: conntrack bytes
1146 * @NFT_CT_AVGPKT: conntrack average bytes per packet
1147 * @NFT_CT_ZONE: conntrack zone
1148 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
1149 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
1150 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
1151 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
1152 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
1153 * @NFT_CT_ID: conntrack id
1154 */
1155enum nft_ct_keys {
1156	NFT_CT_STATE,
1157	NFT_CT_DIRECTION,
1158	NFT_CT_STATUS,
1159	NFT_CT_MARK,
1160	NFT_CT_SECMARK,
1161	NFT_CT_EXPIRATION,
1162	NFT_CT_HELPER,
1163	NFT_CT_L3PROTOCOL,
1164	NFT_CT_SRC,
1165	NFT_CT_DST,
1166	NFT_CT_PROTOCOL,
1167	NFT_CT_PROTO_SRC,
1168	NFT_CT_PROTO_DST,
1169	NFT_CT_LABELS,
1170	NFT_CT_PKTS,
1171	NFT_CT_BYTES,
1172	NFT_CT_AVGPKT,
1173	NFT_CT_ZONE,
1174	NFT_CT_EVENTMASK,
1175	NFT_CT_SRC_IP,
1176	NFT_CT_DST_IP,
1177	NFT_CT_SRC_IP6,
1178	NFT_CT_DST_IP6,
1179	NFT_CT_ID,
1180	__NFT_CT_MAX
1181};
1182#define NFT_CT_MAX		(__NFT_CT_MAX - 1)
1183
1184/**
1185 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
1186 *
1187 * @NFTA_CT_DREG: destination register (NLA_U32)
1188 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
1189 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
1190 * @NFTA_CT_SREG: source register (NLA_U32)
1191 */
1192enum nft_ct_attributes {
1193	NFTA_CT_UNSPEC,
1194	NFTA_CT_DREG,
1195	NFTA_CT_KEY,
1196	NFTA_CT_DIRECTION,
1197	NFTA_CT_SREG,
1198	__NFTA_CT_MAX
1199};
1200#define NFTA_CT_MAX		(__NFTA_CT_MAX - 1)
1201
1202/**
1203 * enum nft_offload_attributes - ct offload expression attributes
1204 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
1205 */
1206enum nft_offload_attributes {
1207	NFTA_FLOW_UNSPEC,
1208	NFTA_FLOW_TABLE_NAME,
1209	__NFTA_FLOW_MAX,
1210};
1211#define NFTA_FLOW_MAX		(__NFTA_FLOW_MAX - 1)
1212
1213enum nft_limit_type {
1214	NFT_LIMIT_PKTS,
1215	NFT_LIMIT_PKT_BYTES
1216};
1217
1218enum nft_limit_flags {
1219	NFT_LIMIT_F_INV	= (1 << 0),
1220};
1221
1222/**
1223 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
1224 *
1225 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
1226 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
1227 * @NFTA_LIMIT_BURST: burst (NLA_U32)
1228 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
1229 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
1230 */
1231enum nft_limit_attributes {
1232	NFTA_LIMIT_UNSPEC,
1233	NFTA_LIMIT_RATE,
1234	NFTA_LIMIT_UNIT,
1235	NFTA_LIMIT_BURST,
1236	NFTA_LIMIT_TYPE,
1237	NFTA_LIMIT_FLAGS,
1238	NFTA_LIMIT_PAD,
1239	__NFTA_LIMIT_MAX
1240};
1241#define NFTA_LIMIT_MAX		(__NFTA_LIMIT_MAX - 1)
1242
1243enum nft_connlimit_flags {
1244	NFT_CONNLIMIT_F_INV	= (1 << 0),
1245};
1246
1247/**
1248 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
1249 *
1250 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
1251 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
1252 */
1253enum nft_connlimit_attributes {
1254	NFTA_CONNLIMIT_UNSPEC,
1255	NFTA_CONNLIMIT_COUNT,
1256	NFTA_CONNLIMIT_FLAGS,
1257	__NFTA_CONNLIMIT_MAX
1258};
1259#define NFTA_CONNLIMIT_MAX	(__NFTA_CONNLIMIT_MAX - 1)
1260
1261/**
1262 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
1263 *
1264 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
1265 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
1266 */
1267enum nft_counter_attributes {
1268	NFTA_COUNTER_UNSPEC,
1269	NFTA_COUNTER_BYTES,
1270	NFTA_COUNTER_PACKETS,
1271	NFTA_COUNTER_PAD,
1272	__NFTA_COUNTER_MAX
1273};
1274#define NFTA_COUNTER_MAX	(__NFTA_COUNTER_MAX - 1)
1275
1276/**
1277 * enum nft_last_attributes - nf_tables last expression netlink attributes
1278 *
1279 * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32)
1280 * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64)
1281 */
1282enum nft_last_attributes {
1283	NFTA_LAST_UNSPEC,
1284	NFTA_LAST_SET,
1285	NFTA_LAST_MSECS,
1286	NFTA_LAST_PAD,
1287	__NFTA_LAST_MAX
1288};
1289#define NFTA_LAST_MAX	(__NFTA_LAST_MAX - 1)
1290
1291/**
1292 * enum nft_log_attributes - nf_tables log expression netlink attributes
1293 *
1294 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16)
1295 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
1296 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
1297 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16)
1298 * @NFTA_LOG_LEVEL: log level (NLA_U32)
1299 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
1300 */
1301enum nft_log_attributes {
1302	NFTA_LOG_UNSPEC,
1303	NFTA_LOG_GROUP,
1304	NFTA_LOG_PREFIX,
1305	NFTA_LOG_SNAPLEN,
1306	NFTA_LOG_QTHRESHOLD,
1307	NFTA_LOG_LEVEL,
1308	NFTA_LOG_FLAGS,
1309	__NFTA_LOG_MAX
1310};
1311#define NFTA_LOG_MAX		(__NFTA_LOG_MAX - 1)
1312
1313/**
1314 * enum nft_log_level - nf_tables log levels
1315 *
1316 * @NFT_LOGLEVEL_EMERG: system is unusable
1317 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
1318 * @NFT_LOGLEVEL_CRIT: critical conditions
1319 * @NFT_LOGLEVEL_ERR: error conditions
1320 * @NFT_LOGLEVEL_WARNING: warning conditions
1321 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
1322 * @NFT_LOGLEVEL_INFO: informational
1323 * @NFT_LOGLEVEL_DEBUG: debug-level messages
1324 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
1325 */
1326enum nft_log_level {
1327	NFT_LOGLEVEL_EMERG,
1328	NFT_LOGLEVEL_ALERT,
1329	NFT_LOGLEVEL_CRIT,
1330	NFT_LOGLEVEL_ERR,
1331	NFT_LOGLEVEL_WARNING,
1332	NFT_LOGLEVEL_NOTICE,
1333	NFT_LOGLEVEL_INFO,
1334	NFT_LOGLEVEL_DEBUG,
1335	NFT_LOGLEVEL_AUDIT,
1336	__NFT_LOGLEVEL_MAX
1337};
1338#define NFT_LOGLEVEL_MAX	(__NFT_LOGLEVEL_MAX - 1)
1339
1340/**
1341 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
1342 *
1343 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
1344 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
1345 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
1346 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
1347 */
1348enum nft_queue_attributes {
1349	NFTA_QUEUE_UNSPEC,
1350	NFTA_QUEUE_NUM,
1351	NFTA_QUEUE_TOTAL,
1352	NFTA_QUEUE_FLAGS,
1353	NFTA_QUEUE_SREG_QNUM,
1354	__NFTA_QUEUE_MAX
1355};
1356#define NFTA_QUEUE_MAX		(__NFTA_QUEUE_MAX - 1)
1357
1358#define NFT_QUEUE_FLAG_BYPASS		0x01 /* for compatibility with v2 */
1359#define NFT_QUEUE_FLAG_CPU_FANOUT	0x02 /* use current CPU (no hashing) */
1360#define NFT_QUEUE_FLAG_MASK		0x03
1361
1362enum nft_quota_flags {
1363	NFT_QUOTA_F_INV		= (1 << 0),
1364	NFT_QUOTA_F_DEPLETED	= (1 << 1),
1365};
1366
1367/**
1368 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
1369 *
1370 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
1371 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
1372 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
1373 */
1374enum nft_quota_attributes {
1375	NFTA_QUOTA_UNSPEC,
1376	NFTA_QUOTA_BYTES,
1377	NFTA_QUOTA_FLAGS,
1378	NFTA_QUOTA_PAD,
1379	NFTA_QUOTA_CONSUMED,
1380	__NFTA_QUOTA_MAX
1381};
1382#define NFTA_QUOTA_MAX		(__NFTA_QUOTA_MAX - 1)
1383
1384/**
1385 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes
1386 *
1387 * @NFTA_SECMARK_CTX: security context (NLA_STRING)
1388 */
1389enum nft_secmark_attributes {
1390	NFTA_SECMARK_UNSPEC,
1391	NFTA_SECMARK_CTX,
1392	__NFTA_SECMARK_MAX,
1393};
1394#define NFTA_SECMARK_MAX	(__NFTA_SECMARK_MAX - 1)
1395
1396/* Max security context length */
1397#define NFT_SECMARK_CTX_MAXLEN		4096
1398
1399/**
1400 * enum nft_reject_types - nf_tables reject expression reject types
1401 *
1402 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
1403 * @NFT_REJECT_TCP_RST: reject using TCP RST
1404 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
1405 */
1406enum nft_reject_types {
1407	NFT_REJECT_ICMP_UNREACH,
1408	NFT_REJECT_TCP_RST,
1409	NFT_REJECT_ICMPX_UNREACH,
1410};
1411
1412/**
1413 * enum nft_reject_inet_code - Generic reject codes for IPv4/IPv6
1414 *
1415 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
1416 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
1417 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
1418 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
1419 *
1420 * These codes are mapped to real ICMP and ICMPv6 codes.
1421 */
1422enum nft_reject_inet_code {
1423	NFT_REJECT_ICMPX_NO_ROUTE	= 0,
1424	NFT_REJECT_ICMPX_PORT_UNREACH,
1425	NFT_REJECT_ICMPX_HOST_UNREACH,
1426	NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
1427	__NFT_REJECT_ICMPX_MAX
1428};
1429#define NFT_REJECT_ICMPX_MAX	(__NFT_REJECT_ICMPX_MAX - 1)
1430
1431/**
1432 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
1433 *
1434 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
1435 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
1436 */
1437enum nft_reject_attributes {
1438	NFTA_REJECT_UNSPEC,
1439	NFTA_REJECT_TYPE,
1440	NFTA_REJECT_ICMP_CODE,
1441	__NFTA_REJECT_MAX
1442};
1443#define NFTA_REJECT_MAX		(__NFTA_REJECT_MAX - 1)
1444
1445/**
1446 * enum nft_nat_types - nf_tables nat expression NAT types
1447 *
1448 * @NFT_NAT_SNAT: source NAT
1449 * @NFT_NAT_DNAT: destination NAT
1450 */
1451enum nft_nat_types {
1452	NFT_NAT_SNAT,
1453	NFT_NAT_DNAT,
1454};
1455
1456/**
1457 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
1458 *
1459 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
1460 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
1461 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
1462 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
1463 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1464 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1465 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1466 */
1467enum nft_nat_attributes {
1468	NFTA_NAT_UNSPEC,
1469	NFTA_NAT_TYPE,
1470	NFTA_NAT_FAMILY,
1471	NFTA_NAT_REG_ADDR_MIN,
1472	NFTA_NAT_REG_ADDR_MAX,
1473	NFTA_NAT_REG_PROTO_MIN,
1474	NFTA_NAT_REG_PROTO_MAX,
1475	NFTA_NAT_FLAGS,
1476	__NFTA_NAT_MAX
1477};
1478#define NFTA_NAT_MAX		(__NFTA_NAT_MAX - 1)
1479
1480/**
1481 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
1482 *
1483 * @NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
1484 * @NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
1485 * @NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
1486 */
1487enum nft_tproxy_attributes {
1488	NFTA_TPROXY_UNSPEC,
1489	NFTA_TPROXY_FAMILY,
1490	NFTA_TPROXY_REG_ADDR,
1491	NFTA_TPROXY_REG_PORT,
1492	__NFTA_TPROXY_MAX
1493};
1494#define NFTA_TPROXY_MAX		(__NFTA_TPROXY_MAX - 1)
1495
1496/**
1497 * enum nft_masq_attributes - nf_tables masquerade expression attributes
1498 *
1499 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1500 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1501 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1502 */
1503enum nft_masq_attributes {
1504	NFTA_MASQ_UNSPEC,
1505	NFTA_MASQ_FLAGS,
1506	NFTA_MASQ_REG_PROTO_MIN,
1507	NFTA_MASQ_REG_PROTO_MAX,
1508	__NFTA_MASQ_MAX
1509};
1510#define NFTA_MASQ_MAX		(__NFTA_MASQ_MAX - 1)
1511
1512/**
1513 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
1514 *
1515 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
1516 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
1517 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
1518 */
1519enum nft_redir_attributes {
1520	NFTA_REDIR_UNSPEC,
1521	NFTA_REDIR_REG_PROTO_MIN,
1522	NFTA_REDIR_REG_PROTO_MAX,
1523	NFTA_REDIR_FLAGS,
1524	__NFTA_REDIR_MAX
1525};
1526#define NFTA_REDIR_MAX		(__NFTA_REDIR_MAX - 1)
1527
1528/**
1529 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
1530 *
1531 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
1532 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1533 */
1534enum nft_dup_attributes {
1535	NFTA_DUP_UNSPEC,
1536	NFTA_DUP_SREG_ADDR,
1537	NFTA_DUP_SREG_DEV,
1538	__NFTA_DUP_MAX
1539};
1540#define NFTA_DUP_MAX		(__NFTA_DUP_MAX - 1)
1541
1542/**
1543 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
1544 *
1545 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
1546 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
1547 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
1548 */
1549enum nft_fwd_attributes {
1550	NFTA_FWD_UNSPEC,
1551	NFTA_FWD_SREG_DEV,
1552	NFTA_FWD_SREG_ADDR,
1553	NFTA_FWD_NFPROTO,
1554	__NFTA_FWD_MAX
1555};
1556#define NFTA_FWD_MAX	(__NFTA_FWD_MAX - 1)
1557
1558/**
1559 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
1560 *
1561 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
1562 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
1563 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
1564 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
1565 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
1566 */
1567enum nft_objref_attributes {
1568	NFTA_OBJREF_UNSPEC,
1569	NFTA_OBJREF_IMM_TYPE,
1570	NFTA_OBJREF_IMM_NAME,
1571	NFTA_OBJREF_SET_SREG,
1572	NFTA_OBJREF_SET_NAME,
1573	NFTA_OBJREF_SET_ID,
1574	__NFTA_OBJREF_MAX
1575};
1576#define NFTA_OBJREF_MAX	(__NFTA_OBJREF_MAX - 1)
1577
1578/**
1579 * enum nft_gen_attributes - nf_tables ruleset generation attributes
1580 *
1581 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
1582 */
1583enum nft_gen_attributes {
1584	NFTA_GEN_UNSPEC,
1585	NFTA_GEN_ID,
1586	NFTA_GEN_PROC_PID,
1587	NFTA_GEN_PROC_NAME,
1588	__NFTA_GEN_MAX
1589};
1590#define NFTA_GEN_MAX		(__NFTA_GEN_MAX - 1)
1591
1592/*
1593 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
1594 *
1595 * @NFTA_FIB_DREG: destination register (NLA_U32)
1596 * @NFTA_FIB_RESULT: desired result (NLA_U32)
1597 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
1598 *
1599 * The FIB expression performs a route lookup according
1600 * to the packet data.
1601 */
1602enum nft_fib_attributes {
1603	NFTA_FIB_UNSPEC,
1604	NFTA_FIB_DREG,
1605	NFTA_FIB_RESULT,
1606	NFTA_FIB_FLAGS,
1607	__NFTA_FIB_MAX
1608};
1609#define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)
1610
1611enum nft_fib_result {
1612	NFT_FIB_RESULT_UNSPEC,
1613	NFT_FIB_RESULT_OIF,
1614	NFT_FIB_RESULT_OIFNAME,
1615	NFT_FIB_RESULT_ADDRTYPE,
1616	__NFT_FIB_RESULT_MAX
1617};
1618#define NFT_FIB_RESULT_MAX	(__NFT_FIB_RESULT_MAX - 1)
1619
1620enum nft_fib_flags {
1621	NFTA_FIB_F_SADDR	= 1 << 0,	/* look up src */
1622	NFTA_FIB_F_DADDR	= 1 << 1,	/* look up dst */
1623	NFTA_FIB_F_MARK		= 1 << 2,	/* use skb->mark */
1624	NFTA_FIB_F_IIF		= 1 << 3,	/* restrict to iif */
1625	NFTA_FIB_F_OIF		= 1 << 4,	/* restrict to oif */
1626	NFTA_FIB_F_PRESENT	= 1 << 5,	/* check existence only */
1627};
1628
1629enum nft_ct_helper_attributes {
1630	NFTA_CT_HELPER_UNSPEC,
1631	NFTA_CT_HELPER_NAME,
1632	NFTA_CT_HELPER_L3PROTO,
1633	NFTA_CT_HELPER_L4PROTO,
1634	__NFTA_CT_HELPER_MAX,
1635};
1636#define NFTA_CT_HELPER_MAX	(__NFTA_CT_HELPER_MAX - 1)
1637
1638enum nft_ct_timeout_timeout_attributes {
1639	NFTA_CT_TIMEOUT_UNSPEC,
1640	NFTA_CT_TIMEOUT_L3PROTO,
1641	NFTA_CT_TIMEOUT_L4PROTO,
1642	NFTA_CT_TIMEOUT_DATA,
1643	__NFTA_CT_TIMEOUT_MAX,
1644};
1645#define NFTA_CT_TIMEOUT_MAX	(__NFTA_CT_TIMEOUT_MAX - 1)
1646
1647enum nft_ct_expectation_attributes {
1648	NFTA_CT_EXPECT_UNSPEC,
1649	NFTA_CT_EXPECT_L3PROTO,
1650	NFTA_CT_EXPECT_L4PROTO,
1651	NFTA_CT_EXPECT_DPORT,
1652	NFTA_CT_EXPECT_TIMEOUT,
1653	NFTA_CT_EXPECT_SIZE,
1654	__NFTA_CT_EXPECT_MAX,
1655};
1656#define NFTA_CT_EXPECT_MAX	(__NFTA_CT_EXPECT_MAX - 1)
1657
1658#define NFT_OBJECT_UNSPEC	0
1659#define NFT_OBJECT_COUNTER	1
1660#define NFT_OBJECT_QUOTA	2
1661#define NFT_OBJECT_CT_HELPER	3
1662#define NFT_OBJECT_LIMIT	4
1663#define NFT_OBJECT_CONNLIMIT	5
1664#define NFT_OBJECT_TUNNEL	6
1665#define NFT_OBJECT_CT_TIMEOUT	7
1666#define NFT_OBJECT_SECMARK	8
1667#define NFT_OBJECT_CT_EXPECT	9
1668#define NFT_OBJECT_SYNPROXY	10
1669#define __NFT_OBJECT_MAX	11
1670#define NFT_OBJECT_MAX		(__NFT_OBJECT_MAX - 1)
1671
1672/**
1673 * enum nft_object_attributes - nf_tables stateful object netlink attributes
1674 *
1675 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
1676 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
1677 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
1678 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
1679 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
1680 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
1681 * @NFTA_OBJ_USERDATA: user data (NLA_BINARY)
1682 */
1683enum nft_object_attributes {
1684	NFTA_OBJ_UNSPEC,
1685	NFTA_OBJ_TABLE,
1686	NFTA_OBJ_NAME,
1687	NFTA_OBJ_TYPE,
1688	NFTA_OBJ_DATA,
1689	NFTA_OBJ_USE,
1690	NFTA_OBJ_HANDLE,
1691	NFTA_OBJ_PAD,
1692	NFTA_OBJ_USERDATA,
1693	__NFTA_OBJ_MAX
1694};
1695#define NFTA_OBJ_MAX		(__NFTA_OBJ_MAX - 1)
1696
1697/**
1698 * enum nft_flowtable_flags - nf_tables flowtable flags
1699 *
1700 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled
1701 * @NFT_FLOWTABLE_COUNTER: enable flow counters
1702 */
1703enum nft_flowtable_flags {
1704	NFT_FLOWTABLE_HW_OFFLOAD	= 0x1,
1705	NFT_FLOWTABLE_COUNTER		= 0x2,
1706	NFT_FLOWTABLE_MASK		= (NFT_FLOWTABLE_HW_OFFLOAD |
1707					   NFT_FLOWTABLE_COUNTER)
1708};
1709
1710/**
1711 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
1712 *
1713 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
1714 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
1715 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration (NLA_NESTED)
1716 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
1717 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
1718 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32)
1719 */
1720enum nft_flowtable_attributes {
1721	NFTA_FLOWTABLE_UNSPEC,
1722	NFTA_FLOWTABLE_TABLE,
1723	NFTA_FLOWTABLE_NAME,
1724	NFTA_FLOWTABLE_HOOK,
1725	NFTA_FLOWTABLE_USE,
1726	NFTA_FLOWTABLE_HANDLE,
1727	NFTA_FLOWTABLE_PAD,
1728	NFTA_FLOWTABLE_FLAGS,
1729	__NFTA_FLOWTABLE_MAX
1730};
1731#define NFTA_FLOWTABLE_MAX	(__NFTA_FLOWTABLE_MAX - 1)
1732
1733/**
1734 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
1735 *
1736 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
1737 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
1738 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
1739 */
1740enum nft_flowtable_hook_attributes {
1741	NFTA_FLOWTABLE_HOOK_UNSPEC,
1742	NFTA_FLOWTABLE_HOOK_NUM,
1743	NFTA_FLOWTABLE_HOOK_PRIORITY,
1744	NFTA_FLOWTABLE_HOOK_DEVS,
1745	__NFTA_FLOWTABLE_HOOK_MAX
1746};
1747#define NFTA_FLOWTABLE_HOOK_MAX	(__NFTA_FLOWTABLE_HOOK_MAX - 1)
1748
1749/**
1750 * enum nft_osf_attributes - nftables osf expression netlink attributes
1751 *
1752 * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers)
1753 * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8)
1754 * @NFTA_OSF_FLAGS: flags (NLA_U32)
1755 */
1756enum nft_osf_attributes {
1757	NFTA_OSF_UNSPEC,
1758	NFTA_OSF_DREG,
1759	NFTA_OSF_TTL,
1760	NFTA_OSF_FLAGS,
1761	__NFTA_OSF_MAX,
1762};
1763#define NFTA_OSF_MAX (__NFTA_OSF_MAX - 1)
1764
1765enum nft_osf_flags {
1766	NFT_OSF_F_VERSION = (1 << 0),
1767};
1768
1769/**
1770 * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes
1771 *
1772 * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16)
1773 * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8)
1774 * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32)
1775 */
1776enum nft_synproxy_attributes {
1777	NFTA_SYNPROXY_UNSPEC,
1778	NFTA_SYNPROXY_MSS,
1779	NFTA_SYNPROXY_WSCALE,
1780	NFTA_SYNPROXY_FLAGS,
1781	__NFTA_SYNPROXY_MAX,
1782};
1783#define NFTA_SYNPROXY_MAX (__NFTA_SYNPROXY_MAX - 1)
1784
1785/**
1786 * enum nft_devices_attributes - nf_tables device netlink attributes
1787 *
1788 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
1789 * @NFTA_DEVICE_PREFIX: device name prefix, a simple wildcard (NLA_STRING)
1790 */
1791enum nft_devices_attributes {
1792	NFTA_DEVICE_UNSPEC,
1793	NFTA_DEVICE_NAME,
1794	NFTA_DEVICE_PREFIX,
1795	__NFTA_DEVICE_MAX
1796};
1797#define NFTA_DEVICE_MAX		(__NFTA_DEVICE_MAX - 1)
1798
1799/*
1800 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
1801 *
1802 * @NFTA_XFRM_DREG: destination register (NLA_U32)
1803 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
1804 * @NFTA_XFRM_DIR: direction (NLA_U8)
1805 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
1806 */
1807enum nft_xfrm_attributes {
1808	NFTA_XFRM_UNSPEC,
1809	NFTA_XFRM_DREG,
1810	NFTA_XFRM_KEY,
1811	NFTA_XFRM_DIR,
1812	NFTA_XFRM_SPNUM,
1813	__NFTA_XFRM_MAX
1814};
1815#define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)
1816
1817enum nft_xfrm_keys {
1818	NFT_XFRM_KEY_UNSPEC,
1819	NFT_XFRM_KEY_DADDR_IP4,
1820	NFT_XFRM_KEY_DADDR_IP6,
1821	NFT_XFRM_KEY_SADDR_IP4,
1822	NFT_XFRM_KEY_SADDR_IP6,
1823	NFT_XFRM_KEY_REQID,
1824	NFT_XFRM_KEY_SPI,
1825	__NFT_XFRM_KEY_MAX,
1826};
1827#define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)
1828
1829/**
1830 * enum nft_trace_attributes - nf_tables trace netlink attributes
1831 *
1832 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
1833 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
1834 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
1835 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
1836 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
1837 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
1838 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
1839 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
1840 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
1841 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
1842 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
1843 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
1844 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
1845 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
1846 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
1847 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
1848 * @NFTA_TRACE_CT_ID: conntrack id (NLA_U32)
1849 * @NFTA_TRACE_CT_DIRECTION: packets direction (NLA_U8)
1850 * @NFTA_TRACE_CT_STATUS: conntrack status (NLA_U32)
1851 * @NFTA_TRACE_CT_STATE: packet state (new, established, ...) (NLA_U32)
1852 */
1853enum nft_trace_attributes {
1854	NFTA_TRACE_UNSPEC,
1855	NFTA_TRACE_TABLE,
1856	NFTA_TRACE_CHAIN,
1857	NFTA_TRACE_RULE_HANDLE,
1858	NFTA_TRACE_TYPE,
1859	NFTA_TRACE_VERDICT,
1860	NFTA_TRACE_ID,
1861	NFTA_TRACE_LL_HEADER,
1862	NFTA_TRACE_NETWORK_HEADER,
1863	NFTA_TRACE_TRANSPORT_HEADER,
1864	NFTA_TRACE_IIF,
1865	NFTA_TRACE_IIFTYPE,
1866	NFTA_TRACE_OIF,
1867	NFTA_TRACE_OIFTYPE,
1868	NFTA_TRACE_MARK,
1869	NFTA_TRACE_NFPROTO,
1870	NFTA_TRACE_POLICY,
1871	NFTA_TRACE_PAD,
1872	NFTA_TRACE_CT_ID,
1873	NFTA_TRACE_CT_DIRECTION,
1874	NFTA_TRACE_CT_STATUS,
1875	NFTA_TRACE_CT_STATE,
1876	__NFTA_TRACE_MAX
1877};
1878#define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)
1879
1880enum nft_trace_types {
1881	NFT_TRACETYPE_UNSPEC,
1882	NFT_TRACETYPE_POLICY,
1883	NFT_TRACETYPE_RETURN,
1884	NFT_TRACETYPE_RULE,
1885	__NFT_TRACETYPE_MAX
1886};
1887#define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)
1888
1889/**
1890 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
1891 *
1892 * @NFTA_NG_DREG: destination register (NLA_U32)
1893 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
1894 * @NFTA_NG_TYPE: operation type (NLA_U32)
1895 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
1896 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
1897 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
1898 */
1899enum nft_ng_attributes {
1900	NFTA_NG_UNSPEC,
1901	NFTA_NG_DREG,
1902	NFTA_NG_MODULUS,
1903	NFTA_NG_TYPE,
1904	NFTA_NG_OFFSET,
1905	NFTA_NG_SET_NAME,	/* deprecated */
1906	NFTA_NG_SET_ID,		/* deprecated */
1907	__NFTA_NG_MAX
1908};
1909#define NFTA_NG_MAX	(__NFTA_NG_MAX - 1)
1910
1911enum nft_ng_types {
1912	NFT_NG_INCREMENTAL,
1913	NFT_NG_RANDOM,
1914	__NFT_NG_MAX
1915};
1916#define NFT_NG_MAX	(__NFT_NG_MAX - 1)
1917
1918enum nft_tunnel_key_ip_attributes {
1919	NFTA_TUNNEL_KEY_IP_UNSPEC,
1920	NFTA_TUNNEL_KEY_IP_SRC,
1921	NFTA_TUNNEL_KEY_IP_DST,
1922	__NFTA_TUNNEL_KEY_IP_MAX
1923};
1924#define NFTA_TUNNEL_KEY_IP_MAX	(__NFTA_TUNNEL_KEY_IP_MAX - 1)
1925
1926enum nft_tunnel_ip6_attributes {
1927	NFTA_TUNNEL_KEY_IP6_UNSPEC,
1928	NFTA_TUNNEL_KEY_IP6_SRC,
1929	NFTA_TUNNEL_KEY_IP6_DST,
1930	NFTA_TUNNEL_KEY_IP6_FLOWLABEL,
1931	__NFTA_TUNNEL_KEY_IP6_MAX
1932};
1933#define NFTA_TUNNEL_KEY_IP6_MAX	(__NFTA_TUNNEL_KEY_IP6_MAX - 1)
1934
1935enum nft_tunnel_opts_attributes {
1936	NFTA_TUNNEL_KEY_OPTS_UNSPEC,
1937	NFTA_TUNNEL_KEY_OPTS_VXLAN,
1938	NFTA_TUNNEL_KEY_OPTS_ERSPAN,
1939	NFTA_TUNNEL_KEY_OPTS_GENEVE,
1940	__NFTA_TUNNEL_KEY_OPTS_MAX
1941};
1942#define NFTA_TUNNEL_KEY_OPTS_MAX	(__NFTA_TUNNEL_KEY_OPTS_MAX - 1)
1943
1944enum nft_tunnel_opts_vxlan_attributes {
1945	NFTA_TUNNEL_KEY_VXLAN_UNSPEC,
1946	NFTA_TUNNEL_KEY_VXLAN_GBP,
1947	__NFTA_TUNNEL_KEY_VXLAN_MAX
1948};
1949#define NFTA_TUNNEL_KEY_VXLAN_MAX	(__NFTA_TUNNEL_KEY_VXLAN_MAX - 1)
1950
1951enum nft_tunnel_opts_erspan_attributes {
1952	NFTA_TUNNEL_KEY_ERSPAN_UNSPEC,
1953	NFTA_TUNNEL_KEY_ERSPAN_VERSION,
1954	NFTA_TUNNEL_KEY_ERSPAN_V1_INDEX,
1955	NFTA_TUNNEL_KEY_ERSPAN_V2_HWID,
1956	NFTA_TUNNEL_KEY_ERSPAN_V2_DIR,
1957	__NFTA_TUNNEL_KEY_ERSPAN_MAX
1958};
1959#define NFTA_TUNNEL_KEY_ERSPAN_MAX	(__NFTA_TUNNEL_KEY_ERSPAN_MAX - 1)
1960
1961enum nft_tunnel_opts_geneve_attributes {
1962	NFTA_TUNNEL_KEY_GENEVE_UNSPEC,
1963	NFTA_TUNNEL_KEY_GENEVE_CLASS,
1964	NFTA_TUNNEL_KEY_GENEVE_TYPE,
1965	NFTA_TUNNEL_KEY_GENEVE_DATA,
1966	__NFTA_TUNNEL_KEY_GENEVE_MAX
1967};
1968#define NFTA_TUNNEL_KEY_GENEVE_MAX	(__NFTA_TUNNEL_KEY_GENEVE_MAX - 1)
1969
1970enum nft_tunnel_flags {
1971	NFT_TUNNEL_F_ZERO_CSUM_TX	= (1 << 0),
1972	NFT_TUNNEL_F_DONT_FRAGMENT	= (1 << 1),
1973	NFT_TUNNEL_F_SEQ_NUMBER		= (1 << 2),
1974};
1975#define NFT_TUNNEL_F_MASK	(NFT_TUNNEL_F_ZERO_CSUM_TX | \
1976				 NFT_TUNNEL_F_DONT_FRAGMENT | \
1977				 NFT_TUNNEL_F_SEQ_NUMBER)
1978
1979enum nft_tunnel_key_attributes {
1980	NFTA_TUNNEL_KEY_UNSPEC,
1981	NFTA_TUNNEL_KEY_ID,
1982	NFTA_TUNNEL_KEY_IP,
1983	NFTA_TUNNEL_KEY_IP6,
1984	NFTA_TUNNEL_KEY_FLAGS,
1985	NFTA_TUNNEL_KEY_TOS,
1986	NFTA_TUNNEL_KEY_TTL,
1987	NFTA_TUNNEL_KEY_SPORT,
1988	NFTA_TUNNEL_KEY_DPORT,
1989	NFTA_TUNNEL_KEY_OPTS,
1990	__NFTA_TUNNEL_KEY_MAX
1991};
1992#define NFTA_TUNNEL_KEY_MAX	(__NFTA_TUNNEL_KEY_MAX - 1)
1993
1994enum nft_tunnel_keys {
1995	NFT_TUNNEL_PATH,
1996	NFT_TUNNEL_ID,
1997	__NFT_TUNNEL_MAX
1998};
1999#define NFT_TUNNEL_MAX	(__NFT_TUNNEL_MAX - 1)
2000
2001enum nft_tunnel_mode {
2002	NFT_TUNNEL_MODE_NONE,
2003	NFT_TUNNEL_MODE_RX,
2004	NFT_TUNNEL_MODE_TX,
2005	__NFT_TUNNEL_MODE_MAX
2006};
2007#define NFT_TUNNEL_MODE_MAX	(__NFT_TUNNEL_MODE_MAX - 1)
2008
2009enum nft_tunnel_attributes {
2010	NFTA_TUNNEL_UNSPEC,
2011	NFTA_TUNNEL_KEY,
2012	NFTA_TUNNEL_DREG,
2013	NFTA_TUNNEL_MODE,
2014	__NFTA_TUNNEL_MAX
2015};
2016#define NFTA_TUNNEL_MAX	(__NFTA_TUNNEL_MAX - 1)
2017
2018#endif /* _LINUX_NF_TABLES_H */