diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/netfilter/nf_conntrack.h | 10 | ||||
| -rw-r--r-- | include/net/netfilter/nf_nat.h | 45 | ||||
| -rw-r--r-- | include/net/netfilter/nf_nat_core.h | 29 | ||||
| -rw-r--r-- | include/net/netfilter/nf_nat_l3proto.h | 50 | ||||
| -rw-r--r-- | include/net/netfilter/nf_nat_l4proto.h | 16 | ||||
| -rw-r--r-- | include/net/netfilter/nf_tables.h | 3 | ||||
| -rw-r--r-- | include/net/netfilter/nft_masq.h | 22 | ||||
| -rw-r--r-- | include/net/netfilter/nft_redir.h | 22 |
8 files changed, 49 insertions, 148 deletions
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index b5aac5ae5129..5ee7b30b4917 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -190,23 +190,23 @@ bool nf_ct_get_tuplepr(const struct sk_buff *skb, unsigned int nhoff, void __nf_ct_refresh_acct(struct nf_conn *ct, enum ip_conntrack_info ctinfo, const struct sk_buff *skb, - unsigned long extra_jiffies, int do_acct); + u32 extra_jiffies, bool do_acct); /* Refresh conntrack for this many jiffies and do accounting */ static inline void nf_ct_refresh_acct(struct nf_conn *ct, enum ip_conntrack_info ctinfo, const struct sk_buff *skb, - unsigned long extra_jiffies) + u32 extra_jiffies) { - __nf_ct_refresh_acct(ct, ctinfo, skb, extra_jiffies, 1); + __nf_ct_refresh_acct(ct, ctinfo, skb, extra_jiffies, true); } /* Refresh conntrack for this many jiffies */ static inline void nf_ct_refresh(struct nf_conn *ct, const struct sk_buff *skb, - unsigned long extra_jiffies) + u32 extra_jiffies) { - __nf_ct_refresh_acct(ct, 0, skb, extra_jiffies, 0); + __nf_ct_refresh_acct(ct, 0, skb, extra_jiffies, false); } /* kill conntrack and do accounting */ diff --git a/include/net/netfilter/nf_nat.h b/include/net/netfilter/nf_nat.h index 8aff77cafb8b..cf332c4e0b32 100644 --- a/include/net/netfilter/nf_nat.h +++ b/include/net/netfilter/nf_nat.h @@ -31,8 +31,7 @@ struct nf_conn; /* The structure embedded in the conntrack structure. */ struct nf_conn_nat { union nf_conntrack_nat_help help; -#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV4) || \ - IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV6) +#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE) int masq_index; #endif }; @@ -61,8 +60,7 @@ static inline bool nf_nat_oif_changed(unsigned int hooknum, struct nf_conn_nat *nat, const struct net_device *out) { -#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV4) || \ - IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV6) +#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE) return nat && nat->masq_index && hooknum == NF_INET_POST_ROUTING && CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL && nat->masq_index != out->ifindex; @@ -75,4 +73,43 @@ int nf_nat_register_fn(struct net *net, const struct nf_hook_ops *ops, const struct nf_hook_ops *nat_ops, unsigned int ops_count); void nf_nat_unregister_fn(struct net *net, const struct nf_hook_ops *ops, unsigned int ops_count); + +unsigned int nf_nat_packet(struct nf_conn *ct, enum ip_conntrack_info ctinfo, + unsigned int hooknum, struct sk_buff *skb); + +unsigned int nf_nat_manip_pkt(struct sk_buff *skb, struct nf_conn *ct, + enum nf_nat_manip_type mtype, + enum ip_conntrack_dir dir); +void nf_nat_csum_recalc(struct sk_buff *skb, + u8 nfproto, u8 proto, void *data, __sum16 *check, + int datalen, int oldlen); + +int nf_nat_icmp_reply_translation(struct sk_buff *skb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned int hooknum); + +int nf_nat_icmpv6_reply_translation(struct sk_buff *skb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned int hooknum, unsigned int hdrlen); + +int nf_nat_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops); +void nf_nat_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops); + +int nf_nat_ipv6_register_fn(struct net *net, const struct nf_hook_ops *ops); +void nf_nat_ipv6_unregister_fn(struct net *net, const struct nf_hook_ops *ops); + +unsigned int +nf_nat_inet_fn(void *priv, struct sk_buff *skb, + const struct nf_hook_state *state); + +int nf_xfrm_me_harder(struct net *n, struct sk_buff *s, unsigned int family); + +static inline int nf_nat_initialized(struct nf_conn *ct, + enum nf_nat_manip_type manip) +{ + if (manip == NF_NAT_MANIP_SRC) + return ct->status & IPS_SRC_NAT_DONE; + else + return ct->status & IPS_DST_NAT_DONE; +} #endif diff --git a/include/net/netfilter/nf_nat_core.h b/include/net/netfilter/nf_nat_core.h deleted file mode 100644 index dc7cd0440229..000000000000 --- a/include/net/netfilter/nf_nat_core.h +++ /dev/null @@ -1,29 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _NF_NAT_CORE_H -#define _NF_NAT_CORE_H -#include <linux/list.h> -#include <net/netfilter/nf_conntrack.h> -#include <net/netfilter/nf_nat.h> - -/* This header used to share core functionality between the standalone - NAT module, and the compatibility layer's use of NAT for masquerading. */ - -unsigned int nf_nat_packet(struct nf_conn *ct, enum ip_conntrack_info ctinfo, - unsigned int hooknum, struct sk_buff *skb); - -unsigned int -nf_nat_inet_fn(void *priv, struct sk_buff *skb, - const struct nf_hook_state *state); - -int nf_xfrm_me_harder(struct net *net, struct sk_buff *skb, unsigned int family); - -static inline int nf_nat_initialized(struct nf_conn *ct, - enum nf_nat_manip_type manip) -{ - if (manip == NF_NAT_MANIP_SRC) - return ct->status & IPS_SRC_NAT_DONE; - else - return ct->status & IPS_DST_NAT_DONE; -} - -#endif /* _NF_NAT_CORE_H */ diff --git a/include/net/netfilter/nf_nat_l3proto.h b/include/net/netfilter/nf_nat_l3proto.h deleted file mode 100644 index d774ca0c4c5e..000000000000 --- a/include/net/netfilter/nf_nat_l3proto.h +++ /dev/null @@ -1,50 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _NF_NAT_L3PROTO_H -#define _NF_NAT_L3PROTO_H - -struct nf_nat_l3proto { - u8 l3proto; - - bool (*manip_pkt)(struct sk_buff *skb, - unsigned int iphdroff, - const struct nf_conntrack_tuple *target, - enum nf_nat_manip_type maniptype); - - void (*csum_update)(struct sk_buff *skb, unsigned int iphdroff, - __sum16 *check, - const struct nf_conntrack_tuple *t, - enum nf_nat_manip_type maniptype); - - void (*csum_recalc)(struct sk_buff *skb, u8 proto, - void *data, __sum16 *check, - int datalen, int oldlen); - - void (*decode_session)(struct sk_buff *skb, - const struct nf_conn *ct, - enum ip_conntrack_dir dir, - unsigned long statusbit, - struct flowi *fl); - - int (*nlattr_to_range)(struct nlattr *tb[], - struct nf_nat_range2 *range); -}; - -int nf_nat_l3proto_register(const struct nf_nat_l3proto *); -void nf_nat_l3proto_unregister(const struct nf_nat_l3proto *); -const struct nf_nat_l3proto *__nf_nat_l3proto_find(u8 l3proto); - -int nf_nat_icmp_reply_translation(struct sk_buff *skb, struct nf_conn *ct, - enum ip_conntrack_info ctinfo, - unsigned int hooknum); - -int nf_nat_icmpv6_reply_translation(struct sk_buff *skb, struct nf_conn *ct, - enum ip_conntrack_info ctinfo, - unsigned int hooknum, unsigned int hdrlen); - -int nf_nat_l3proto_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops); -void nf_nat_l3proto_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops); - -int nf_nat_l3proto_ipv6_register_fn(struct net *net, const struct nf_hook_ops *ops); -void nf_nat_l3proto_ipv6_unregister_fn(struct net *net, const struct nf_hook_ops *ops); - -#endif /* _NF_NAT_L3PROTO_H */ diff --git a/include/net/netfilter/nf_nat_l4proto.h b/include/net/netfilter/nf_nat_l4proto.h deleted file mode 100644 index 95a4655bd1ad..000000000000 --- a/include/net/netfilter/nf_nat_l4proto.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* Header for use in defining a given protocol. */ -#ifndef _NF_NAT_L4PROTO_H -#define _NF_NAT_L4PROTO_H -#include <net/netfilter/nf_nat.h> -#include <linux/netfilter/nfnetlink_conntrack.h> - -struct nf_nat_l3proto; - -/* Translate a packet to the target according to manip type. Return on success. */ -bool nf_nat_l4proto_manip_pkt(struct sk_buff *skb, - const struct nf_nat_l3proto *l3proto, - unsigned int iphdroff, unsigned int hdroff, - const struct nf_conntrack_tuple *tuple, - enum nf_nat_manip_type maniptype); -#endif /*_NF_NAT_L4PROTO_H*/ diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index a66fcd316734..c331e96a713b 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -690,10 +690,12 @@ static inline void nft_set_gc_batch_add(struct nft_set_gc_batch *gcb, gcb->elems[gcb->head.cnt++] = elem; } +struct nft_expr_ops; /** * struct nft_expr_type - nf_tables expression type * * @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 * @list: used internally * @name: Identifier @@ -706,6 +708,7 @@ static inline void nft_set_gc_batch_add(struct nft_set_gc_batch *gcb, struct nft_expr_type { const struct nft_expr_ops *(*select_ops)(const struct nft_ctx *, const struct nlattr * const tb[]); + void (*release_ops)(const struct nft_expr_ops *ops); const struct nft_expr_ops *ops; struct list_head list; const char *name; diff --git a/include/net/netfilter/nft_masq.h b/include/net/netfilter/nft_masq.h deleted file mode 100644 index e51ab3815797..000000000000 --- a/include/net/netfilter/nft_masq.h +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _NFT_MASQ_H_ -#define _NFT_MASQ_H_ - -struct nft_masq { - u32 flags; - enum nft_registers sreg_proto_min:8; - enum nft_registers sreg_proto_max:8; -}; - -extern const struct nla_policy nft_masq_policy[]; - -int nft_masq_init(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nlattr * const tb[]); - -int nft_masq_dump(struct sk_buff *skb, const struct nft_expr *expr); - -int nft_masq_validate(const struct nft_ctx *ctx, const struct nft_expr *expr, - const struct nft_data **data); - -#endif /* _NFT_MASQ_H_ */ diff --git a/include/net/netfilter/nft_redir.h b/include/net/netfilter/nft_redir.h deleted file mode 100644 index 4a970737c03c..000000000000 --- a/include/net/netfilter/nft_redir.h +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _NFT_REDIR_H_ -#define _NFT_REDIR_H_ - -struct nft_redir { - enum nft_registers sreg_proto_min:8; - enum nft_registers sreg_proto_max:8; - u16 flags; -}; - -extern const struct nla_policy nft_redir_policy[]; - -int nft_redir_init(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nlattr * const tb[]); - -int nft_redir_dump(struct sk_buff *skb, const struct nft_expr *expr); - -int nft_redir_validate(const struct nft_ctx *ctx, const struct nft_expr *expr, - const struct nft_data **data); - -#endif /* _NFT_REDIR_H_ */ |