diff options
Diffstat (limited to 'include/net/netfilter')
| -rw-r--r-- | include/net/netfilter/nf_flow_table.h | 11 | ||||
| -rw-r--r-- | include/net/netfilter/nf_tables.h | 67 |
2 files changed, 61 insertions, 17 deletions
diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h index 692d5955911c..a763dd327c6e 100644 --- a/include/net/netfilter/nf_flow_table.h +++ b/include/net/netfilter/nf_flow_table.h @@ -74,12 +74,13 @@ enum nf_flowtable_flags { }; struct nf_flowtable { - struct list_head list; - struct rhashtable rhashtable; - int priority; + unsigned int flags; /* readonly in datapath */ + int priority; /* control path (padding hole) */ + struct rhashtable rhashtable; /* datapath, read-mostly members come first */ + + struct list_head list; /* slowpath parts */ const struct nf_flowtable_type *type; struct delayed_work gc_work; - unsigned int flags; struct flow_block flow_block; struct rw_semaphore flow_block_lock; /* Guards flow_block */ possible_net_t net; @@ -275,7 +276,7 @@ nf_flow_table_offload_del_cb(struct nf_flowtable *flow_table, } void flow_offload_route_init(struct flow_offload *flow, - const struct nf_flow_route *route); + struct nf_flow_route *route); int flow_offload_add(struct nf_flowtable *flow_table, struct flow_offload *flow); void flow_offload_refresh(struct nf_flowtable *flow_table, diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index b157c5cafd14..510244cc0f8f 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -205,6 +205,7 @@ static inline void nft_data_copy(u32 *dst, const struct nft_data *src, * @nla: netlink attributes * @portid: netlink portID of the original message * @seq: netlink sequence number + * @flags: modifiers to new request * @family: protocol family * @level: depth of the chains * @report: notify via unicast netlink message @@ -282,6 +283,7 @@ struct nft_elem_priv { }; * * @key: element key * @key_end: closing element key + * @data: element data * @priv: element private data and extensions */ struct nft_set_elem { @@ -325,10 +327,10 @@ struct nft_set_iter { * @dtype: data type * @dlen: data length * @objtype: object type - * @flags: flags * @size: number of set elements * @policy: set policy * @gc_int: garbage collector interval + * @timeout: element timeout * @field_len: length of each field in concatenation, bytes * @field_count: number of concatenated fields in element * @expr: set must support for expressions @@ -351,9 +353,9 @@ struct nft_set_desc { /** * enum nft_set_class - performance class * - * @NFT_LOOKUP_O_1: constant, O(1) - * @NFT_LOOKUP_O_LOG_N: logarithmic, O(log N) - * @NFT_LOOKUP_O_N: linear, O(N) + * @NFT_SET_CLASS_O_1: constant, O(1) + * @NFT_SET_CLASS_O_LOG_N: logarithmic, O(log N) + * @NFT_SET_CLASS_O_N: linear, O(N) */ enum nft_set_class { NFT_SET_CLASS_O_1, @@ -422,9 +424,13 @@ struct nft_set_ext; * @remove: remove element from set * @walk: iterate over all set elements * @get: get set elements + * @commit: commit set elements + * @abort: abort set elements * @privsize: function to return size of set private data + * @estimate: estimate the required memory size and the lookup complexity class * @init: initialize private data of new set instance * @destroy: destroy private data of set instance + * @gc_init: initialize garbage collection * @elemsize: element private size * * Operations lookup, update and delete have simpler interfaces, are faster @@ -540,13 +546,16 @@ struct nft_set_elem_expr { * @policy: set parameterization (see enum nft_set_policies) * @udlen: user data length * @udata: user data - * @expr: stateful expression + * @pending_update: list of pending update set element * @ops: set ops * @flags: set flags * @dead: set will be freed, never cleared * @genmask: generation mask * @klen: key length * @dlen: data length + * @num_exprs: numbers of exprs + * @exprs: stateful expression + * @catchall_list: list of catch-all set element * @data: private set data */ struct nft_set { @@ -692,6 +701,7 @@ extern const struct nft_set_ext_type nft_set_ext_types[]; * * @len: length of extension area * @offset: offsets of individual extension types + * @ext_len: length of the expected extension(used to sanity check) */ struct nft_set_ext_tmpl { u16 len; @@ -798,10 +808,16 @@ static inline struct nft_set_elem_expr *nft_set_ext_expr(const struct nft_set_ex return nft_set_ext(ext, NFT_SET_EXT_EXPRESSIONS); } -static inline bool nft_set_elem_expired(const struct nft_set_ext *ext) +static inline bool __nft_set_elem_expired(const struct nft_set_ext *ext, + u64 tstamp) { return nft_set_ext_exists(ext, NFT_SET_EXT_EXPIRATION) && - time_is_before_eq_jiffies64(*nft_set_ext_expiration(ext)); + time_after_eq64(tstamp, *nft_set_ext_expiration(ext)); +} + +static inline bool nft_set_elem_expired(const struct nft_set_ext *ext) +{ + return __nft_set_elem_expired(ext, get_jiffies_64()); } static inline struct nft_set_ext *nft_set_elem_ext(const struct nft_set *set, @@ -840,6 +856,7 @@ struct nft_expr_ops; * @select_ops: function to select nft_expr_ops * @release_ops: release nft_expr_ops * @ops: default ops, used when no select_ops functions is present + * @inner_ops: inner ops, used for inner packet operation * @list: used internally * @name: Identifier * @owner: module reference @@ -881,14 +898,22 @@ struct nft_offload_ctx; * struct nft_expr_ops - nf_tables expression operations * * @eval: Expression evaluation function + * @clone: Expression clone function * @size: full expression size, including private data size * @init: initialization function * @activate: activate expression in the next generation * @deactivate: deactivate expression in next generation * @destroy: destruction function, called after synchronize_rcu + * @destroy_clone: destruction clone function * @dump: function to dump parameters - * @type: expression type * @validate: validate expression, called during loop detection + * @reduce: reduce expression + * @gc: garbage collection expression + * @offload: hardware offload expression + * @offload_action: function to report true/false to allocate one slot or not in the flow + * offload array + * @offload_stats: function to synchronize hardware stats via updating the counter expression + * @type: expression type * @data: extra data to attach to this expression operation */ struct nft_expr_ops { @@ -1041,14 +1066,21 @@ struct nft_rule_blob { /** * struct nft_chain - nf_tables chain * + * @blob_gen_0: rule blob pointer to the current generation + * @blob_gen_1: rule blob pointer to the future generation * @rules: list of rules in the chain * @list: used internally * @rhlhead: used internally * @table: table that this chain belongs to * @handle: chain handle * @use: number of jump references to this chain - * @flags: bitmask of enum nft_chain_flags + * @flags: bitmask of enum NFTA_CHAIN_FLAGS + * @bound: bind or not + * @genmask: generation mask * @name: name of the chain + * @udlen: user data length + * @udata: user data in the chain + * @blob_next: rule blob pointer to the next in the chain */ struct nft_chain { struct nft_rule_blob __rcu *blob_gen_0; @@ -1146,6 +1178,7 @@ struct nft_hook { * @hook_list: list of netfilter hooks (for NFPROTO_NETDEV family) * @type: chain type * @policy: default policy + * @flags: indicate the base chain disabled or not * @stats: per-cpu chain stats * @chain: the chain * @flow_block: flow block (for hardware offload) @@ -1274,11 +1307,13 @@ struct nft_object_hash_key { * struct nft_object - nf_tables stateful object * * @list: table stateful object list node - * @key: keys that identify this object * @rhlhead: nft_objname_ht node + * @key: keys that identify this object * @genmask: generation mask * @use: number of references to this stateful object * @handle: unique object handle + * @udlen: length of user data + * @udata: user data * @ops: object operations * @data: object data, layout depends on type */ @@ -1322,6 +1357,7 @@ void nft_obj_notify(struct net *net, const struct nft_table *table, * @type: stateful object numeric type * @owner: module owner * @maxattr: maximum netlink attribute + * @family: address family for AF-specific object types * @policy: netlink attribute policy */ struct nft_object_type { @@ -1331,6 +1367,7 @@ struct nft_object_type { struct list_head list; u32 type; unsigned int maxattr; + u8 family; struct module *owner; const struct nla_policy *policy; }; @@ -1344,6 +1381,7 @@ struct nft_object_type { * @destroy: release existing stateful object * @dump: netlink dump stateful object * @update: update stateful object + * @type: pointer to object type */ struct nft_object_ops { void (*eval)(struct nft_object *obj, @@ -1379,9 +1417,8 @@ void nft_unregister_obj(struct nft_object_type *obj_type); * @genmask: generation mask * @use: number of references to this flow table * @handle: unique object handle - * @dev_name: array of device names + * @hook_list: hook list for hooks per net_device in flowtables * @data: rhashtable and garbage collector - * @ops: array of hooks */ struct nft_flowtable { struct list_head list; @@ -1748,6 +1785,7 @@ struct nftables_pernet { struct list_head notify_list; struct mutex commit_mutex; u64 table_handle; + u64 tstamp; unsigned int base_seq; unsigned int gc_seq; u8 validate_state; @@ -1760,6 +1798,11 @@ static inline struct nftables_pernet *nft_pernet(const struct net *net) return net_generic(net, nf_tables_net_id); } +static inline u64 nft_net_tstamp(const struct net *net) +{ + return nft_pernet(net)->tstamp; +} + #define __NFT_REDUCE_READONLY 1UL #define NFT_REDUCE_READONLY (void *)__NFT_REDUCE_READONLY |