/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_NF_TABLES_H #define _LINUX_NF_TABLES_H #define NFT_NAME_MAXLEN … #define NFT_TABLE_MAXNAMELEN … #define NFT_CHAIN_MAXNAMELEN … #define NFT_SET_MAXNAMELEN … #define NFT_OBJ_MAXNAMELEN … #define NFT_USERDATA_MAXLEN … #define NFT_OSF_MAXGENRELEN … /** * enum nft_registers - nf_tables registers * * nf_tables used to have five registers: a verdict register and four data * registers of size 16. The data registers have been changed to 16 registers * of size 4. For compatibility reasons, the NFT_REG_[1-4] registers still * map to areas of size 16, the 4 byte registers are addressed using * NFT_REG32_00 - NFT_REG32_15. */ enum nft_registers { … }; #define NFT_REG_MAX … #define NFT_REG_SIZE … #define NFT_REG32_SIZE … #define NFT_REG32_COUNT … /** * enum nft_verdicts - nf_tables internal verdicts * * @NFT_CONTINUE: continue evaluation of the current rule * @NFT_BREAK: terminate evaluation of the current rule * @NFT_JUMP: push the current chain on the jump stack and jump to a chain * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack * @NFT_RETURN: return to the topmost chain on the jump stack * * The nf_tables verdicts share their numeric space with the netfilter verdicts. */ enum nft_verdicts { … }; /** * enum nf_tables_msg_types - nf_tables netlink message types * * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes) * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes) * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes) * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes) * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes) * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes) * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes) * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes) * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes) * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes) * @NFT_MSG_GETSET: get a set (enum nft_set_attributes) * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes) * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes) * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes) * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes) * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes) * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes) * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes) * @NFT_MSG_NEWOBJ: create a stateful object (enum nft_obj_attributes) * @NFT_MSG_GETOBJ: get a stateful object (enum nft_obj_attributes) * @NFT_MSG_DELOBJ: delete a stateful object (enum nft_obj_attributes) * @NFT_MSG_GETOBJ_RESET: get and reset a stateful object (enum nft_obj_attributes) * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes) * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes) * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes) * @NFT_MSG_GETRULE_RESET: get rules and reset stateful expressions (enum nft_obj_attributes) * @NFT_MSG_DESTROYTABLE: destroy a table (enum nft_table_attributes) * @NFT_MSG_DESTROYCHAIN: destroy a chain (enum nft_chain_attributes) * @NFT_MSG_DESTROYRULE: destroy a rule (enum nft_rule_attributes) * @NFT_MSG_DESTROYSET: destroy a set (enum nft_set_attributes) * @NFT_MSG_DESTROYSETELEM: destroy a set element (enum nft_set_elem_attributes) * @NFT_MSG_DESTROYOBJ: destroy a stateful object (enum nft_object_attributes) * @NFT_MSG_DESTROYFLOWTABLE: destroy flow table (enum nft_flowtable_attributes) * @NFT_MSG_GETSETELEM_RESET: get set elements and reset attached stateful expressions (enum nft_set_elem_attributes) */ enum nf_tables_msg_types { … }; /** * enum nft_list_attributes - nf_tables generic list netlink attributes * * @NFTA_LIST_ELEM: list element (NLA_NESTED) */ enum nft_list_attributes { … }; #define NFTA_LIST_MAX … /** * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes * * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) * @NFTA_HOOK_DEV: netdevice name (NLA_STRING) * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED) */ enum nft_hook_attributes { … }; #define NFTA_HOOK_MAX … /** * enum nft_table_flags - nf_tables table flags * * @NFT_TABLE_F_DORMANT: this table is not active * @NFT_TABLE_F_OWNER: this table is owned by a process * @NFT_TABLE_F_PERSIST: this table shall outlive its owner */ enum nft_table_flags { … }; #define NFT_TABLE_F_MASK … /** * enum nft_table_attributes - nf_tables table netlink attributes * * @NFTA_TABLE_NAME: name of the table (NLA_STRING) * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) * @NFTA_TABLE_USERDATA: user data (NLA_BINARY) * @NFTA_TABLE_OWNER: owner of this table through netlink portID (NLA_U32) */ enum nft_table_attributes { … }; #define NFTA_TABLE_MAX … enum nft_chain_flags { … }; #define NFT_CHAIN_FLAGS … /** * enum nft_chain_attributes - nf_tables chain netlink attributes * * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) * @NFTA_CHAIN_FLAGS: chain flags * @NFTA_CHAIN_ID: uniquely identifies a chain in a transaction (NLA_U32) * @NFTA_CHAIN_USERDATA: user data (NLA_BINARY) */ enum nft_chain_attributes { … }; #define NFTA_CHAIN_MAX … /** * enum nft_rule_attributes - nf_tables rule netlink attributes * * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32) * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32) * @NFTA_RULE_CHAIN_ID: add the rule to chain by ID, alternative to @NFTA_RULE_CHAIN (NLA_U32) */ enum nft_rule_attributes { … }; #define NFTA_RULE_MAX … /** * enum nft_rule_compat_flags - nf_tables rule compat flags * * @NFT_RULE_COMPAT_F_UNUSED: unused * @NFT_RULE_COMPAT_F_INV: invert the check result */ enum nft_rule_compat_flags { … }; /** * enum nft_rule_compat_attributes - nf_tables rule compat attributes * * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32) * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) */ enum nft_rule_compat_attributes { … }; #define NFTA_RULE_COMPAT_MAX … /** * enum nft_set_flags - nf_tables set flags * * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink * @NFT_SET_CONSTANT: set contents may not change while bound * @NFT_SET_INTERVAL: set contains intervals * @NFT_SET_MAP: set is used as a dictionary * @NFT_SET_TIMEOUT: set uses timeouts * @NFT_SET_EVAL: set can be updated from the evaluation path * @NFT_SET_OBJECT: set contains stateful objects * @NFT_SET_CONCAT: set contains a concatenation * @NFT_SET_EXPR: set contains expressions */ enum nft_set_flags { … }; /** * enum nft_set_policies - set selection policy * * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use * @NFT_SET_POL_MEMORY: prefer low memory use over high performance */ enum nft_set_policies { … }; /** * enum nft_set_desc_attributes - set element description * * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED) */ enum nft_set_desc_attributes { … }; #define NFTA_SET_DESC_MAX … /** * enum nft_set_field_attributes - attributes of concatenated fields * * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32) */ enum nft_set_field_attributes { … }; #define NFTA_SET_FIELD_MAX … /** * enum nft_set_attributes - nf_tables set netlink attributes * * @NFTA_SET_TABLE: table name (NLA_STRING) * @NFTA_SET_NAME: set name (NLA_STRING) * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) * @NFTA_SET_KEY_LEN: key data length (NLA_U32) * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) * @NFTA_SET_POLICY: selection policy (NLA_U32) * @NFTA_SET_DESC: set description (NLA_NESTED) * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64) * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32) * @NFTA_SET_USERDATA: user data (NLA_BINARY) * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*) * @NFTA_SET_HANDLE: set handle (NLA_U64) * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes) * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) */ enum nft_set_attributes { … }; #define NFTA_SET_MAX … /** * enum nft_set_elem_flags - nf_tables set element flags * * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval * @NFT_SET_ELEM_CATCHALL: special catch-all element */ enum nft_set_elem_flags { … }; /** * enum nft_set_elem_attributes - nf_tables set element netlink attributes * * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64) * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64) * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY) * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes) * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING) * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data) * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) */ enum nft_set_elem_attributes { … }; #define NFTA_SET_ELEM_MAX … /** * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes * * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) */ enum nft_set_elem_list_attributes { … }; #define NFTA_SET_ELEM_LIST_MAX … /** * enum nft_data_types - nf_tables data types * * @NFT_DATA_VALUE: generic data * @NFT_DATA_VERDICT: netfilter verdict * * The type of data is usually determined by the kernel directly and is not * explicitly specified by userspace. The only difference are sets, where * userspace specifies the key and mapping data types. * * The values 0xffffff00-0xffffffff are reserved for internally used types. * The remaining range can be freely used by userspace to encode types, all * values are equivalent to NFT_DATA_VALUE. */ enum nft_data_types { … }; #define NFT_DATA_RESERVED_MASK … /** * enum nft_data_attributes - nf_tables data netlink attributes * * @NFTA_DATA_VALUE: generic data (NLA_BINARY) * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) */ enum nft_data_attributes { … }; #define NFTA_DATA_MAX … /* Maximum length of a value */ #define NFT_DATA_VALUE_MAXLEN … /** * enum nft_verdict_attributes - nf_tables verdict netlink attributes * * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) * @NFTA_VERDICT_CHAIN_ID: jump target chain ID (NLA_U32) */ enum nft_verdict_attributes { … }; #define NFTA_VERDICT_MAX … /** * enum nft_expr_attributes - nf_tables expression netlink attributes * * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) */ enum nft_expr_attributes { … }; #define NFTA_EXPR_MAX … /** * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes * * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) */ enum nft_immediate_attributes { … }; #define NFTA_IMMEDIATE_MAX … /** * enum nft_bitwise_ops - nf_tables bitwise operations * * @NFT_BITWISE_BOOL: mask-and-xor operation used to implement NOT, AND, OR and * XOR boolean operations * @NFT_BITWISE_LSHIFT: left-shift operation * @NFT_BITWISE_RSHIFT: right-shift operation */ enum nft_bitwise_ops { … }; /** * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes * * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) * @NFTA_BITWISE_LEN: length of operands (NLA_U32) * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) * @NFTA_BITWISE_OP: type of operation (NLA_U32: nft_bitwise_ops) * @NFTA_BITWISE_DATA: argument for non-boolean operations * (NLA_NESTED: nft_data_attributes) * * The bitwise expression supports boolean and shift operations. It implements * the boolean operations by performing the following operation: * * dreg = (sreg & mask) ^ xor * * with these mask and xor values: * * mask xor * NOT: 1 1 * OR: ~x x * XOR: 1 x * AND: x 0 */ enum nft_bitwise_attributes { … }; #define NFTA_BITWISE_MAX … /** * enum nft_byteorder_ops - nf_tables byteorder operators * * @NFT_BYTEORDER_NTOH: network to host operator * @NFT_BYTEORDER_HTON: host to network operator */ enum nft_byteorder_ops { … }; /** * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes * * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) */ enum nft_byteorder_attributes { … }; #define NFTA_BYTEORDER_MAX … /** * enum nft_cmp_ops - nf_tables relational operator * * @NFT_CMP_EQ: equal * @NFT_CMP_NEQ: not equal * @NFT_CMP_LT: less than * @NFT_CMP_LTE: less than or equal to * @NFT_CMP_GT: greater than * @NFT_CMP_GTE: greater than or equal to */ enum nft_cmp_ops { … }; /** * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes * * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) */ enum nft_cmp_attributes { … }; #define NFTA_CMP_MAX … /** * enum nft_range_ops - nf_tables range operator * * @NFT_RANGE_EQ: equal * @NFT_RANGE_NEQ: not equal */ enum nft_range_ops { … }; /** * enum nft_range_attributes - nf_tables range expression netlink attributes * * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers) * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_range_ops) * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes) * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes) */ enum nft_range_attributes { … }; #define NFTA_RANGE_MAX … enum nft_lookup_flags { … }; /** * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes * * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags) */ enum nft_lookup_attributes { … }; #define NFTA_LOOKUP_MAX … enum nft_dynset_ops { … }; enum nft_dynset_flags { … }; /** * enum nft_dynset_attributes - dynset expression attributes * * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING) * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32) * @NFTA_DYNSET_OP: operation (NLA_U32) * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32) * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32) * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64) * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes) * @NFTA_DYNSET_FLAGS: flags (NLA_U32) * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes) */ enum nft_dynset_attributes { … }; #define NFTA_DYNSET_MAX … /** * enum nft_payload_bases - nf_tables payload expression offset bases * * @NFT_PAYLOAD_LL_HEADER: link layer header * @NFT_PAYLOAD_NETWORK_HEADER: network header * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header * @NFT_PAYLOAD_INNER_HEADER: inner header / payload */ enum nft_payload_bases { … }; /** * enum nft_payload_csum_types - nf_tables payload expression checksum types * * @NFT_PAYLOAD_CSUM_NONE: no checksumming * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791) * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309) */ enum nft_payload_csum_types { … }; enum nft_payload_csum_flags { … }; enum nft_inner_type { … }; enum nft_inner_flags { … }; #define NFT_INNER_MASK … enum nft_inner_attributes { … }; #define NFTA_INNER_MAX … /** * enum nft_payload_attributes - nf_tables payload expression netlink attributes * * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers) * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32) * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32) * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32) */ enum nft_payload_attributes { … }; #define NFTA_PAYLOAD_MAX … enum nft_exthdr_flags { … }; /** * enum nft_exthdr_op - nf_tables match options * * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers * @NFT_EXTHDR_OP_TCP: match against tcp options * @NFT_EXTHDR_OP_IPV4: match against ipv4 options * @NFT_EXTHDR_OP_SCTP: match against sctp chunks * @NFT_EXTHDR_OP_DCCP: match against dccp otions */ enum nft_exthdr_op { … }; #define NFT_EXTHDR_OP_MAX … /** * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes * * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32) * @NFTA_EXTHDR_OP: option match type (NLA_U32) * @NFTA_EXTHDR_SREG: source register (NLA_U32: nft_registers) */ enum nft_exthdr_attributes { … }; #define NFTA_EXTHDR_MAX … /** * enum nft_meta_keys - nf_tables meta expression keys * * @NFT_META_LEN: packet length (skb->len) * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT * @NFT_META_PRIORITY: packet priority (skb->priority) * @NFT_META_MARK: packet mark (skb->mark) * @NFT_META_IIF: packet input interface index (dev->ifindex) * @NFT_META_OIF: packet output interface index (dev->ifindex) * @NFT_META_IIFNAME: packet input interface name (dev->name) * @NFT_META_OIFNAME: packet output interface name (dev->name) * @NFT_META_IIFTYPE: packet input interface type (dev->type) * @NFT_META_OIFTYPE: packet output interface type (dev->type) * @NFT_META_SKUID: originating socket UID (fsuid) * @NFT_META_SKGID: originating socket GID (fsgid) * @NFT_META_NFTRACE: packet nftrace bit * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) * @NFT_META_SECMARK: packet secmark (skb->secmark) * @NFT_META_NFPROTO: netfilter protocol * @NFT_META_L4PROTO: layer 4 protocol number * @NFT_META_BRI_IIFNAME: packet input bridge interface name * @NFT_META_BRI_OIFNAME: packet output bridge interface name * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback * @NFT_META_CPU: cpu id through smp_processor_id() * @NFT_META_IIFGROUP: packet input interface group * @NFT_META_OIFGROUP: packet output interface group * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid) * @NFT_META_PRANDOM: a 32bit pseudo-random number * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp) * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind) * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind) * @NFT_META_BRI_IIFPVID: packet input bridge port pvid * @NFT_META_BRI_IIFVPROTO: packet input bridge vlan proto * @NFT_META_TIME_NS: time since epoch (in nanoseconds) * @NFT_META_TIME_DAY: day of week (from 0 = Sunday to 6 = Saturday) * @NFT_META_TIME_HOUR: hour of day (in seconds) * @NFT_META_SDIF: slave device interface index * @NFT_META_SDIFNAME: slave device interface name * @NFT_META_BRI_BROUTE: packet br_netfilter_broute bit */ enum nft_meta_keys { … }; /** * enum nft_rt_keys - nf_tables routing expression keys * * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid) * @NFT_RT_NEXTHOP4: routing nexthop for IPv4 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6 * @NFT_RT_TCPMSS: fetch current path tcp mss * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL */ enum nft_rt_keys { … }; #define NFT_RT_MAX … /** * enum nft_hash_types - nf_tables hash expression types * * @NFT_HASH_JENKINS: Jenkins Hash * @NFT_HASH_SYM: Symmetric Hash */ enum nft_hash_types { … }; /** * enum nft_hash_attributes - nf_tables hash expression netlink attributes * * @NFTA_HASH_SREG: source register (NLA_U32) * @NFTA_HASH_DREG: destination register (NLA_U32) * @NFTA_HASH_LEN: source data length (NLA_U32) * @NFTA_HASH_MODULUS: modulus value (NLA_U32) * @NFTA_HASH_SEED: seed value (NLA_U32) * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32) * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types) * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING) * @NFTA_HASH_SET_ID: id of the map (NLA_U32) */ enum nft_hash_attributes { … }; #define NFTA_HASH_MAX … /** * enum nft_meta_attributes - nf_tables meta expression netlink attributes * * @NFTA_META_DREG: destination register (NLA_U32) * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) * @NFTA_META_SREG: source register (NLA_U32) */ enum nft_meta_attributes { … }; #define NFTA_META_MAX … /** * enum nft_rt_attributes - nf_tables routing expression netlink attributes * * @NFTA_RT_DREG: destination register (NLA_U32) * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys) */ enum nft_rt_attributes { … }; #define NFTA_RT_MAX … /** * enum nft_socket_attributes - nf_tables socket expression netlink attributes * * @NFTA_SOCKET_KEY: socket key to match * @NFTA_SOCKET_DREG: destination register * @NFTA_SOCKET_LEVEL: cgroups2 ancestor level (only for cgroupsv2) */ enum nft_socket_attributes { … }; #define NFTA_SOCKET_MAX … /* * enum nft_socket_keys - nf_tables socket expression keys * * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option * @NFT_SOCKET_MARK: Value of the socket mark * @NFT_SOCKET_WILDCARD: Whether the socket is zero-bound (e.g. 0.0.0.0 or ::0) * @NFT_SOCKET_CGROUPV2: Match on cgroups version 2 */ enum nft_socket_keys { … }; #define NFT_SOCKET_MAX … /** * enum nft_ct_keys - nf_tables ct expression keys * * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) * @NFT_CT_MARK: conntrack mark value * @NFT_CT_SECMARK: conntrack secmark value * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms * @NFT_CT_HELPER: connection tracking helper assigned to conntrack * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated) * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated) * @NFT_CT_PROTOCOL: conntrack layer 4 protocol * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination * @NFT_CT_LABELS: conntrack labels * @NFT_CT_PKTS: conntrack packets * @NFT_CT_BYTES: conntrack bytes * @NFT_CT_AVGPKT: conntrack average bytes per packet * @NFT_CT_ZONE: conntrack zone * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address) * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address) * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address) * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address) * @NFT_CT_ID: conntrack id */ enum nft_ct_keys { … }; #define NFT_CT_MAX … /** * enum nft_ct_attributes - nf_tables ct expression netlink attributes * * @NFTA_CT_DREG: destination register (NLA_U32) * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) * @NFTA_CT_SREG: source register (NLA_U32) */ enum nft_ct_attributes { … }; #define NFTA_CT_MAX … /** * enum nft_flow_attributes - ct offload expression attributes * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING) */ enum nft_offload_attributes { … }; #define NFTA_FLOW_MAX … enum nft_limit_type { … }; enum nft_limit_flags { … }; /** * enum nft_limit_attributes - nf_tables limit expression netlink attributes * * @NFTA_LIMIT_RATE: refill rate (NLA_U64) * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) * @NFTA_LIMIT_BURST: burst (NLA_U32) * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type) * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags) */ enum nft_limit_attributes { … }; #define NFTA_LIMIT_MAX … enum nft_connlimit_flags { … }; /** * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes * * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32) * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags) */ enum nft_connlimit_attributes { … }; #define NFTA_CONNLIMIT_MAX … /** * enum nft_counter_attributes - nf_tables counter expression netlink attributes * * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) */ enum nft_counter_attributes { … }; #define NFTA_COUNTER_MAX … /** * enum nft_last_attributes - nf_tables last expression netlink attributes * * @NFTA_LAST_SET: last update has been set, zero means never updated (NLA_U32) * @NFTA_LAST_MSECS: milliseconds since last update (NLA_U64) */ enum nft_last_attributes { … }; #define NFTA_LAST_MAX … /** * enum nft_log_attributes - nf_tables log expression netlink attributes * * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U16) * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U16) * @NFTA_LOG_LEVEL: log level (NLA_U32) * @NFTA_LOG_FLAGS: logging flags (NLA_U32) */ enum nft_log_attributes { … }; #define NFTA_LOG_MAX … /** * enum nft_log_level - nf_tables log levels * * @NFT_LOGLEVEL_EMERG: system is unusable * @NFT_LOGLEVEL_ALERT: action must be taken immediately * @NFT_LOGLEVEL_CRIT: critical conditions * @NFT_LOGLEVEL_ERR: error conditions * @NFT_LOGLEVEL_WARNING: warning conditions * @NFT_LOGLEVEL_NOTICE: normal but significant condition * @NFT_LOGLEVEL_INFO: informational * @NFT_LOGLEVEL_DEBUG: debug-level messages * @NFT_LOGLEVEL_AUDIT: enabling audit logging */ enum nft_log_level { … }; #define NFT_LOGLEVEL_MAX … /** * enum nft_queue_attributes - nf_tables queue expression netlink attributes * * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers) */ enum nft_queue_attributes { … }; #define NFTA_QUEUE_MAX … #define NFT_QUEUE_FLAG_BYPASS … #define NFT_QUEUE_FLAG_CPU_FANOUT … #define NFT_QUEUE_FLAG_MASK … enum nft_quota_flags { … }; /** * enum nft_quota_attributes - nf_tables quota expression netlink attributes * * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16) * @NFTA_QUOTA_FLAGS: flags (NLA_U32) * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64) */ enum nft_quota_attributes { … }; #define NFTA_QUOTA_MAX … /** * enum nft_secmark_attributes - nf_tables secmark object netlink attributes * * @NFTA_SECMARK_CTX: security context (NLA_STRING) */ enum nft_secmark_attributes { … }; #define NFTA_SECMARK_MAX … /* Max security context length */ #define NFT_SECMARK_CTX_MAXLEN … /** * enum nft_reject_types - nf_tables reject expression reject types * * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable * @NFT_REJECT_TCP_RST: reject using TCP RST * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet */ enum nft_reject_types { … }; /** * enum nft_reject_code - Generic reject codes for IPv4/IPv6 * * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited * * These codes are mapped to real ICMP and ICMPv6 codes. */ enum nft_reject_inet_code { … }; #define NFT_REJECT_ICMPX_MAX … /** * enum nft_reject_attributes - nf_tables reject expression netlink attributes * * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) */ enum nft_reject_attributes { … }; #define NFTA_REJECT_MAX … /** * enum nft_nat_types - nf_tables nat expression NAT types * * @NFT_NAT_SNAT: source NAT * @NFT_NAT_DNAT: destination NAT */ enum nft_nat_types { … }; /** * enum nft_nat_attributes - nf_tables nat expression netlink attributes * * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) * @NFTA_NAT_FAMILY: NAT family (NLA_U32) * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) */ enum nft_nat_attributes { … }; #define NFTA_NAT_MAX … /** * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes * * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers) * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers) * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers) */ enum nft_tproxy_attributes { … }; #define NFTA_TPROXY_MAX … /** * enum nft_masq_attributes - nf_tables masquerade expression attributes * * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) */ enum nft_masq_attributes { … }; #define NFTA_MASQ_MAX … /** * enum nft_redir_attributes - nf_tables redirect expression netlink attributes * * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32) */ enum nft_redir_attributes { … }; #define NFTA_REDIR_MAX … /** * enum nft_dup_attributes - nf_tables dup expression netlink attributes * * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers) * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register) */ enum nft_dup_attributes { … }; #define NFTA_DUP_MAX … /** * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes * * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register) * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register) * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto) */ enum nft_fwd_attributes { … }; #define NFTA_FWD_MAX … /** * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes * * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register) * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING) * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers) * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING) * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32) */ enum nft_objref_attributes { … }; #define NFTA_OBJREF_MAX … /** * enum nft_gen_attributes - nf_tables ruleset generation attributes * * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32) */ enum nft_gen_attributes { … }; #define NFTA_GEN_MAX … /* * enum nft_fib_attributes - nf_tables fib expression netlink attributes * * @NFTA_FIB_DREG: destination register (NLA_U32) * @NFTA_FIB_RESULT: desired result (NLA_U32) * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32) * * The FIB expression performs a route lookup according * to the packet data. */ enum nft_fib_attributes { … }; #define NFTA_FIB_MAX … enum nft_fib_result { … }; #define NFT_FIB_RESULT_MAX … enum nft_fib_flags { … }; enum nft_ct_helper_attributes { … }; #define NFTA_CT_HELPER_MAX … enum nft_ct_timeout_timeout_attributes { … }; #define NFTA_CT_TIMEOUT_MAX … enum nft_ct_expectation_attributes { … }; #define NFTA_CT_EXPECT_MAX … #define NFT_OBJECT_UNSPEC … #define NFT_OBJECT_COUNTER … #define NFT_OBJECT_QUOTA … #define NFT_OBJECT_CT_HELPER … #define NFT_OBJECT_LIMIT … #define NFT_OBJECT_CONNLIMIT … #define NFT_OBJECT_TUNNEL … #define NFT_OBJECT_CT_TIMEOUT … #define NFT_OBJECT_SECMARK … #define NFT_OBJECT_CT_EXPECT … #define NFT_OBJECT_SYNPROXY … #define __NFT_OBJECT_MAX … #define NFT_OBJECT_MAX … /** * enum nft_object_attributes - nf_tables stateful object netlink attributes * * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING) * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING) * @NFTA_OBJ_TYPE: stateful object type (NLA_U32) * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED) * @NFTA_OBJ_USE: number of references to this expression (NLA_U32) * @NFTA_OBJ_HANDLE: object handle (NLA_U64) * @NFTA_OBJ_USERDATA: user data (NLA_BINARY) */ enum nft_object_attributes { … }; #define NFTA_OBJ_MAX … /** * enum nft_flowtable_flags - nf_tables flowtable flags * * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled * @NFT_FLOWTABLE_COUNTER: enable flow counters */ enum nft_flowtable_flags { … }; /** * enum nft_flowtable_attributes - nf_tables flow table netlink attributes * * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32) * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32) */ enum nft_flowtable_attributes { … }; #define NFTA_FLOWTABLE_MAX … /** * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes * * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32) * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32) * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED) */ enum nft_flowtable_hook_attributes { … }; #define NFTA_FLOWTABLE_HOOK_MAX … /** * enum nft_osf_attributes - nftables osf expression netlink attributes * * @NFTA_OSF_DREG: destination register (NLA_U32: nft_registers) * @NFTA_OSF_TTL: Value of the TTL osf option (NLA_U8) * @NFTA_OSF_FLAGS: flags (NLA_U32) */ enum nft_osf_attributes { … }; #define NFTA_OSF_MAX … enum nft_osf_flags { … }; /** * enum nft_synproxy_attributes - nf_tables synproxy expression netlink attributes * * @NFTA_SYNPROXY_MSS: mss value sent to the backend (NLA_U16) * @NFTA_SYNPROXY_WSCALE: wscale value sent to the backend (NLA_U8) * @NFTA_SYNPROXY_FLAGS: flags (NLA_U32) */ enum nft_synproxy_attributes { … }; #define NFTA_SYNPROXY_MAX … /** * enum nft_device_attributes - nf_tables device netlink attributes * * @NFTA_DEVICE_NAME: name of this device (NLA_STRING) */ enum nft_devices_attributes { … }; #define NFTA_DEVICE_MAX … /* * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes * * @NFTA_XFRM_DREG: destination register (NLA_U32) * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32) * @NFTA_XFRM_DIR: direction (NLA_U8) * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32) */ enum nft_xfrm_attributes { … }; #define NFTA_XFRM_MAX … enum nft_xfrm_keys { … }; #define NFT_XFRM_KEY_MAX … /** * enum nft_trace_attributes - nf_tables trace netlink attributes * * @NFTA_TRACE_TABLE: name of the table (NLA_STRING) * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING) * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64) * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types) * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts) * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32) * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY) * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY) * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY) * @NFTA_TRACE_IIF: indev ifindex (NLA_U32) * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16) * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32) * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16) * @NFTA_TRACE_MARK: nfmark (NLA_U32) * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32) * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32) */ enum nft_trace_attributes { … }; #define NFTA_TRACE_MAX … enum nft_trace_types { … }; #define NFT_TRACETYPE_MAX … /** * enum nft_ng_attributes - nf_tables number generator expression netlink attributes * * @NFTA_NG_DREG: destination register (NLA_U32) * @NFTA_NG_MODULUS: maximum counter value (NLA_U32) * @NFTA_NG_TYPE: operation type (NLA_U32) * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32) * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING) * @NFTA_NG_SET_ID: id of the map (NLA_U32) */ enum nft_ng_attributes { … }; #define NFTA_NG_MAX … enum nft_ng_types { … }; #define NFT_NG_MAX … enum nft_tunnel_key_ip_attributes { … }; #define NFTA_TUNNEL_KEY_IP_MAX … enum nft_tunnel_ip6_attributes { … }; #define NFTA_TUNNEL_KEY_IP6_MAX … enum nft_tunnel_opts_attributes { … }; #define NFTA_TUNNEL_KEY_OPTS_MAX … enum nft_tunnel_opts_vxlan_attributes { … }; #define NFTA_TUNNEL_KEY_VXLAN_MAX … enum nft_tunnel_opts_erspan_attributes { … }; #define NFTA_TUNNEL_KEY_ERSPAN_MAX … enum nft_tunnel_opts_geneve_attributes { … }; #define NFTA_TUNNEL_KEY_GENEVE_MAX … enum nft_tunnel_flags { … }; #define NFT_TUNNEL_F_MASK … enum nft_tunnel_key_attributes { … }; #define NFTA_TUNNEL_KEY_MAX … enum nft_tunnel_keys { … }; #define NFT_TUNNEL_MAX … enum nft_tunnel_mode { … }; #define NFT_TUNNEL_MODE_MAX … enum nft_tunnel_attributes { … }; #define NFTA_TUNNEL_MAX … #endif /* _LINUX_NF_TABLES_H */