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-rw-r--r--include/linux/netfilter/nfnetlink_acct.h3
-rw-r--r--include/net/net_namespace.h3
-rw-r--r--include/net/netfilter/ipv4/nf_dup_ipv4.h7
-rw-r--r--include/net/netfilter/ipv6/nf_dup_ipv6.h7
-rw-r--r--include/net/netfilter/nf_conntrack.h10
-rw-r--r--include/net/netfilter/nf_conntrack_core.h3
-rw-r--r--include/net/netfilter/nf_conntrack_expect.h11
-rw-r--r--include/net/netfilter/nf_conntrack_zones.h99
-rw-r--r--include/net/netfilter/nft_dup.h9
-rw-r--r--include/uapi/linux/netfilter/nf_tables.h23
-rw-r--r--include/uapi/linux/netfilter/nfnetlink_conntrack.h1
-rw-r--r--include/uapi/linux/netfilter/xt_CT.h8
12 files changed, 167 insertions, 17 deletions
diff --git a/include/linux/netfilter/nfnetlink_acct.h b/include/linux/netfilter/nfnetlink_acct.h
index 6ec975748742..80ca889b164e 100644
--- a/include/linux/netfilter/nfnetlink_acct.h
+++ b/include/linux/netfilter/nfnetlink_acct.h
@@ -2,6 +2,7 @@
#define _NFNL_ACCT_H_
#include <uapi/linux/netfilter/nfnetlink_acct.h>
+#include <net/net_namespace.h>
enum {
NFACCT_NO_QUOTA = -1,
@@ -11,7 +12,7 @@ enum {
struct nf_acct;
-struct nf_acct *nfnl_acct_find_get(const char *filter_name);
+struct nf_acct *nfnl_acct_find_get(struct net *net, const char *filter_name);
void nfnl_acct_put(struct nf_acct *acct);
void nfnl_acct_update(const struct sk_buff *skb, struct nf_acct *nfacct);
extern int nfnl_acct_overquota(const struct sk_buff *skb,
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index e951453e0a23..2dcea635ecce 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -118,6 +118,9 @@ struct net {
#endif
struct sock *nfnl;
struct sock *nfnl_stash;
+#if IS_ENABLED(CONFIG_NETFILTER_NETLINK_ACCT)
+ struct list_head nfnl_acct_list;
+#endif
#endif
#ifdef CONFIG_WEXT_CORE
struct sk_buff_head wext_nlevents;
diff --git a/include/net/netfilter/ipv4/nf_dup_ipv4.h b/include/net/netfilter/ipv4/nf_dup_ipv4.h
new file mode 100644
index 000000000000..42008f10dfc4
--- /dev/null
+++ b/include/net/netfilter/ipv4/nf_dup_ipv4.h
@@ -0,0 +1,7 @@
+#ifndef _NF_DUP_IPV4_H_
+#define _NF_DUP_IPV4_H_
+
+void nf_dup_ipv4(struct sk_buff *skb, unsigned int hooknum,
+ const struct in_addr *gw, int oif);
+
+#endif /* _NF_DUP_IPV4_H_ */
diff --git a/include/net/netfilter/ipv6/nf_dup_ipv6.h b/include/net/netfilter/ipv6/nf_dup_ipv6.h
new file mode 100644
index 000000000000..ed6bd66fa5a0
--- /dev/null
+++ b/include/net/netfilter/ipv6/nf_dup_ipv6.h
@@ -0,0 +1,7 @@
+#ifndef _NF_DUP_IPV6_H_
+#define _NF_DUP_IPV6_H_
+
+void nf_dup_ipv6(struct sk_buff *skb, unsigned int hooknum,
+ const struct in6_addr *gw, int oif);
+
+#endif /* _NF_DUP_IPV6_H_ */
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 37cd3911d5c5..f5e23c6dee8b 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -250,8 +250,12 @@ void nf_ct_untracked_status_or(unsigned long bits);
void nf_ct_iterate_cleanup(struct net *net,
int (*iter)(struct nf_conn *i, void *data),
void *data, u32 portid, int report);
+
+struct nf_conntrack_zone;
+
void nf_conntrack_free(struct nf_conn *ct);
-struct nf_conn *nf_conntrack_alloc(struct net *net, u16 zone,
+struct nf_conn *nf_conntrack_alloc(struct net *net,
+ const struct nf_conntrack_zone *zone,
const struct nf_conntrack_tuple *orig,
const struct nf_conntrack_tuple *repl,
gfp_t gfp);
@@ -291,7 +295,9 @@ extern unsigned int nf_conntrack_max;
extern unsigned int nf_conntrack_hash_rnd;
void init_nf_conntrack_hash_rnd(void);
-struct nf_conn *nf_ct_tmpl_alloc(struct net *net, u16 zone, gfp_t flags);
+struct nf_conn *nf_ct_tmpl_alloc(struct net *net,
+ const struct nf_conntrack_zone *zone,
+ gfp_t flags);
#define NF_CT_STAT_INC(net, count) __this_cpu_inc((net)->ct.stat->count)
#define NF_CT_STAT_INC_ATOMIC(net, count) this_cpu_inc((net)->ct.stat->count)
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index f2f0fa3bb150..c03f9c42b3cd 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -52,7 +52,8 @@ bool nf_ct_invert_tuple(struct nf_conntrack_tuple *inverse,
/* Find a connection corresponding to a tuple. */
struct nf_conntrack_tuple_hash *
-nf_conntrack_find_get(struct net *net, u16 zone,
+nf_conntrack_find_get(struct net *net,
+ const struct nf_conntrack_zone *zone,
const struct nf_conntrack_tuple *tuple);
int __nf_conntrack_confirm(struct sk_buff *skb);
diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h
index 3f3aecbc8632..dce56f09ac9a 100644
--- a/include/net/netfilter/nf_conntrack_expect.h
+++ b/include/net/netfilter/nf_conntrack_expect.h
@@ -4,7 +4,9 @@
#ifndef _NF_CONNTRACK_EXPECT_H
#define _NF_CONNTRACK_EXPECT_H
+
#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_zones.h>
extern unsigned int nf_ct_expect_hsize;
extern unsigned int nf_ct_expect_max;
@@ -76,15 +78,18 @@ int nf_conntrack_expect_init(void);
void nf_conntrack_expect_fini(void);
struct nf_conntrack_expect *
-__nf_ct_expect_find(struct net *net, u16 zone,
+__nf_ct_expect_find(struct net *net,
+ const struct nf_conntrack_zone *zone,
const struct nf_conntrack_tuple *tuple);
struct nf_conntrack_expect *
-nf_ct_expect_find_get(struct net *net, u16 zone,
+nf_ct_expect_find_get(struct net *net,
+ const struct nf_conntrack_zone *zone,
const struct nf_conntrack_tuple *tuple);
struct nf_conntrack_expect *
-nf_ct_find_expectation(struct net *net, u16 zone,
+nf_ct_find_expectation(struct net *net,
+ const struct nf_conntrack_zone *zone,
const struct nf_conntrack_tuple *tuple);
void nf_ct_unlink_expect_report(struct nf_conntrack_expect *exp,
diff --git a/include/net/netfilter/nf_conntrack_zones.h b/include/net/netfilter/nf_conntrack_zones.h
index 034efe8d45a5..5316c7b3a374 100644
--- a/include/net/netfilter/nf_conntrack_zones.h
+++ b/include/net/netfilter/nf_conntrack_zones.h
@@ -1,25 +1,106 @@
#ifndef _NF_CONNTRACK_ZONES_H
#define _NF_CONNTRACK_ZONES_H
-#define NF_CT_DEFAULT_ZONE 0
+#include <linux/netfilter/nf_conntrack_tuple_common.h>
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
-#include <net/netfilter/nf_conntrack_extend.h>
+#define NF_CT_DEFAULT_ZONE_ID 0
+
+#define NF_CT_ZONE_DIR_ORIG (1 << IP_CT_DIR_ORIGINAL)
+#define NF_CT_ZONE_DIR_REPL (1 << IP_CT_DIR_REPLY)
+
+#define NF_CT_DEFAULT_ZONE_DIR (NF_CT_ZONE_DIR_ORIG | NF_CT_ZONE_DIR_REPL)
+
+#define NF_CT_FLAG_MARK 1
struct nf_conntrack_zone {
u16 id;
+ u8 flags;
+ u8 dir;
};
-static inline u16 nf_ct_zone(const struct nf_conn *ct)
+extern const struct nf_conntrack_zone nf_ct_zone_dflt;
+
+#if IS_ENABLED(CONFIG_NF_CONNTRACK)
+#include <net/netfilter/nf_conntrack_extend.h>
+
+static inline const struct nf_conntrack_zone *
+nf_ct_zone(const struct nf_conn *ct)
{
+ const struct nf_conntrack_zone *nf_ct_zone = NULL;
+
#ifdef CONFIG_NF_CONNTRACK_ZONES
- struct nf_conntrack_zone *nf_ct_zone;
nf_ct_zone = nf_ct_ext_find(ct, NF_CT_EXT_ZONE);
- if (nf_ct_zone)
- return nf_ct_zone->id;
#endif
- return NF_CT_DEFAULT_ZONE;
+ return nf_ct_zone ? nf_ct_zone : &nf_ct_zone_dflt;
+}
+
+static inline const struct nf_conntrack_zone *
+nf_ct_zone_init(struct nf_conntrack_zone *zone, u16 id, u8 dir, u8 flags)
+{
+ zone->id = id;
+ zone->flags = flags;
+ zone->dir = dir;
+
+ return zone;
+}
+
+static inline const struct nf_conntrack_zone *
+nf_ct_zone_tmpl(const struct nf_conn *tmpl, const struct sk_buff *skb,
+ struct nf_conntrack_zone *tmp)
+{
+ const struct nf_conntrack_zone *zone;
+
+ if (!tmpl)
+ return &nf_ct_zone_dflt;
+
+ zone = nf_ct_zone(tmpl);
+ if (zone->flags & NF_CT_FLAG_MARK)
+ zone = nf_ct_zone_init(tmp, skb->mark, zone->dir, 0);
+
+ return zone;
+}
+
+static inline int nf_ct_zone_add(struct nf_conn *ct, gfp_t flags,
+ const struct nf_conntrack_zone *info)
+{
+#ifdef CONFIG_NF_CONNTRACK_ZONES
+ struct nf_conntrack_zone *nf_ct_zone;
+
+ nf_ct_zone = nf_ct_ext_add(ct, NF_CT_EXT_ZONE, flags);
+ if (!nf_ct_zone)
+ return -ENOMEM;
+
+ nf_ct_zone_init(nf_ct_zone, info->id, info->dir,
+ info->flags);
+#endif
+ return 0;
}
-#endif /* CONFIG_NF_CONNTRACK || CONFIG_NF_CONNTRACK_MODULE */
+static inline bool nf_ct_zone_matches_dir(const struct nf_conntrack_zone *zone,
+ enum ip_conntrack_dir dir)
+{
+ return zone->dir & (1 << dir);
+}
+
+static inline u16 nf_ct_zone_id(const struct nf_conntrack_zone *zone,
+ enum ip_conntrack_dir dir)
+{
+ return nf_ct_zone_matches_dir(zone, dir) ?
+ zone->id : NF_CT_DEFAULT_ZONE_ID;
+}
+
+static inline bool nf_ct_zone_equal(const struct nf_conn *a,
+ const struct nf_conntrack_zone *b,
+ enum ip_conntrack_dir dir)
+{
+ return nf_ct_zone_id(nf_ct_zone(a), dir) ==
+ nf_ct_zone_id(b, dir);
+}
+
+static inline bool nf_ct_zone_equal_any(const struct nf_conn *a,
+ const struct nf_conntrack_zone *b)
+{
+ return nf_ct_zone(a)->id == b->id;
+}
+#endif /* IS_ENABLED(CONFIG_NF_CONNTRACK) */
#endif /* _NF_CONNTRACK_ZONES_H */
diff --git a/include/net/netfilter/nft_dup.h b/include/net/netfilter/nft_dup.h
new file mode 100644
index 000000000000..6b84cf6491a2
--- /dev/null
+++ b/include/net/netfilter/nft_dup.h
@@ -0,0 +1,9 @@
+#ifndef _NFT_DUP_H_
+#define _NFT_DUP_H_
+
+struct nft_dup_inet {
+ enum nft_registers sreg_addr:8;
+ enum nft_registers sreg_dev:8;
+};
+
+#endif /* _NFT_DUP_H_ */
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index a99e6a997140..d8c8a7c9d88a 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -756,16 +756,25 @@ enum nft_ct_attributes {
};
#define NFTA_CT_MAX (__NFTA_CT_MAX - 1)
+enum nft_limit_type {
+ NFT_LIMIT_PKTS,
+ NFT_LIMIT_PKT_BYTES
+};
+
/**
* 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)
*/
enum nft_limit_attributes {
NFTA_LIMIT_UNSPEC,
NFTA_LIMIT_RATE,
NFTA_LIMIT_UNIT,
+ NFTA_LIMIT_BURST,
+ NFTA_LIMIT_TYPE,
__NFTA_LIMIT_MAX
};
#define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1)
@@ -936,6 +945,20 @@ enum nft_redir_attributes {
#define NFTA_REDIR_MAX (__NFTA_REDIR_MAX - 1)
/**
+ * 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 {
+ NFTA_DUP_UNSPEC,
+ NFTA_DUP_SREG_ADDR,
+ NFTA_DUP_SREG_DEV,
+ __NFTA_DUP_MAX
+};
+#define NFTA_DUP_MAX (__NFTA_DUP_MAX - 1)
+
+/**
* enum nft_gen_attributes - nf_tables ruleset generation attributes
*
* @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
diff --git a/include/uapi/linux/netfilter/nfnetlink_conntrack.h b/include/uapi/linux/netfilter/nfnetlink_conntrack.h
index acad6c52a652..c1a4e1441a25 100644
--- a/include/uapi/linux/netfilter/nfnetlink_conntrack.h
+++ b/include/uapi/linux/netfilter/nfnetlink_conntrack.h
@@ -61,6 +61,7 @@ enum ctattr_tuple {
CTA_TUPLE_UNSPEC,
CTA_TUPLE_IP,
CTA_TUPLE_PROTO,
+ CTA_TUPLE_ZONE,
__CTA_TUPLE_MAX
};
#define CTA_TUPLE_MAX (__CTA_TUPLE_MAX - 1)
diff --git a/include/uapi/linux/netfilter/xt_CT.h b/include/uapi/linux/netfilter/xt_CT.h
index 5a688c1ca4d7..9e520418b858 100644
--- a/include/uapi/linux/netfilter/xt_CT.h
+++ b/include/uapi/linux/netfilter/xt_CT.h
@@ -6,7 +6,13 @@
enum {
XT_CT_NOTRACK = 1 << 0,
XT_CT_NOTRACK_ALIAS = 1 << 1,
- XT_CT_MASK = XT_CT_NOTRACK | XT_CT_NOTRACK_ALIAS,
+ XT_CT_ZONE_DIR_ORIG = 1 << 2,
+ XT_CT_ZONE_DIR_REPL = 1 << 3,
+ XT_CT_ZONE_MARK = 1 << 4,
+
+ XT_CT_MASK = XT_CT_NOTRACK | XT_CT_NOTRACK_ALIAS |
+ XT_CT_ZONE_DIR_ORIG | XT_CT_ZONE_DIR_REPL |
+ XT_CT_ZONE_MARK,
};
struct xt_ct_target_info {
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-12 15:35:02 +0000