Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6

27 files changed, 260 insertions, 123 deletions

diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 48c54960773..70079454ffd 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -114,15 +114,17 @@ struct nf_sockopt_ops {
 	int set_optmin;
 	int set_optmax;
 	int (*set)(struct sock *sk, int optval, void __user *user, unsigned int len);
+#ifdef CONFIG_COMPAT
 	int (*compat_set)(struct sock *sk, int optval,
 			void __user *user, unsigned int len);
-
+#endif
 	int get_optmin;
 	int get_optmax;
 	int (*get)(struct sock *sk, int optval, void __user *user, int *len);
+#ifdef CONFIG_COMPAT
 	int (*compat_get)(struct sock *sk, int optval,
 			void __user *user, int *len);
-
+#endif
 	/* Use the module struct to lock set/get code in place */
 	struct module *owner;
 };
@@ -161,11 +163,8 @@ static inline int nf_hook_thresh(u_int8_t pf, unsigned int hook,
 				 struct sk_buff *skb,
 				 struct net_device *indev,
 				 struct net_device *outdev,
-				 int (*okfn)(struct sk_buff *), int thresh,
-				 int cond)
+				 int (*okfn)(struct sk_buff *), int thresh)
 {
-	if (!cond)
-		return 1;
 #ifndef CONFIG_NETFILTER_DEBUG
 	if (list_empty(&nf_hooks[pf][hook]))
 		return 1;
@@ -177,7 +176,7 @@ static inline int nf_hook(u_int8_t pf, unsigned int hook, struct sk_buff *skb,
 			  struct net_device *indev, struct net_device *outdev,
 			  int (*okfn)(struct sk_buff *))
 {
-	return nf_hook_thresh(pf, hook, skb, indev, outdev, okfn, INT_MIN, 1);
+	return nf_hook_thresh(pf, hook, skb, indev, outdev, okfn, INT_MIN);
 }
                    
 /* Activate hook; either okfn or kfree_skb called, unless a hook
@@ -197,36 +196,48 @@ static inline int nf_hook(u_int8_t pf, unsigned int hook, struct sk_buff *skb,
    coders :)
 */
 
-/* This is gross, but inline doesn't cut it for avoiding the function
-   call in fast path: gcc doesn't inline (needs value tracking?). --RR */
-
-/* HX: It's slightly less gross now. */
-
-#define NF_HOOK_THRESH(pf, hook, skb, indev, outdev, okfn, thresh)	       \
-({int __ret;								       \
-if ((__ret=nf_hook_thresh(pf, hook, (skb), indev, outdev, okfn, thresh, 1)) == 1)\
-	__ret = (okfn)(skb);						       \
-__ret;})
+static inline int
+NF_HOOK_THRESH(uint8_t pf, unsigned int hook, struct sk_buff *skb,
+	       struct net_device *in, struct net_device *out,
+	       int (*okfn)(struct sk_buff *), int thresh)
+{
+	int ret = nf_hook_thresh(pf, hook, skb, in, out, okfn, thresh);
+	if (ret == 1)
+		ret = okfn(skb);
+	return ret;
+}
 
-#define NF_HOOK_COND(pf, hook, skb, indev, outdev, okfn, cond)		       \
-({int __ret;								       \
-if ((__ret=nf_hook_thresh(pf, hook, (skb), indev, outdev, okfn, INT_MIN, cond)) == 1)\
-	__ret = (okfn)(skb);						       \
-__ret;})
+static inline int
+NF_HOOK_COND(uint8_t pf, unsigned int hook, struct sk_buff *skb,
+	     struct net_device *in, struct net_device *out,
+	     int (*okfn)(struct sk_buff *), bool cond)
+{
+	int ret = 1;
+	if (cond ||
+	    (ret = nf_hook_thresh(pf, hook, skb, in, out, okfn, INT_MIN) == 1))
+		ret = okfn(skb);
+	return ret;
+}
 
-#define NF_HOOK(pf, hook, skb, indev, outdev, okfn) \
-	NF_HOOK_THRESH(pf, hook, skb, indev, outdev, okfn, INT_MIN)
+static inline int
+NF_HOOK(uint8_t pf, unsigned int hook, struct sk_buff *skb,
+	struct net_device *in, struct net_device *out,
+	int (*okfn)(struct sk_buff *))
+{
+	return NF_HOOK_THRESH(pf, hook, skb, in, out, okfn, INT_MIN);
+}
 
 /* Call setsockopt() */
 int nf_setsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt,
 		  unsigned int len);
 int nf_getsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt,
 		  int *len);
-
+#ifdef CONFIG_COMPAT
 int compat_nf_setsockopt(struct sock *sk, u_int8_t pf, int optval,
 		char __user *opt, unsigned int len);
 int compat_nf_getsockopt(struct sock *sk, u_int8_t pf, int optval,
 		char __user *opt, int *len);
+#endif
 
 /* Call this before modifying an existing packet: ensures it is
    modifiable and linear to the point you care about (writable_len).
@@ -325,8 +336,7 @@ static inline int nf_hook_thresh(u_int8_t pf, unsigned int hook,
 				 struct sk_buff *skb,
 				 struct net_device *indev,
 				 struct net_device *outdev,
-				 int (*okfn)(struct sk_buff *), int thresh,
-				 int cond)
+				 int (*okfn)(struct sk_buff *), int thresh)
 {
 	return okfn(skb);
 }
diff --git a/include/linux/netfilter/Kbuild b/include/linux/netfilter/Kbuild
index 2aea50399c0..a5a63e41b8a 100644
--- a/include/linux/netfilter/Kbuild
+++ b/include/linux/netfilter/Kbuild
@@ -6,6 +6,7 @@ header-y += nfnetlink_queue.h
 header-y += xt_CLASSIFY.h
 header-y += xt_CONNMARK.h
 header-y += xt_CONNSECMARK.h
+header-y += xt_CT.h
 header-y += xt_DSCP.h
 header-y += xt_LED.h
 header-y += xt_MARK.h
diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h
index a374787ed9b..c608677dda6 100644
--- a/include/linux/netfilter/nf_conntrack_common.h
+++ b/include/linux/netfilter/nf_conntrack_common.h
@@ -72,6 +72,28 @@ enum ip_conntrack_status {
 	/* Connection has fixed timeout. */
 	IPS_FIXED_TIMEOUT_BIT = 10,
 	IPS_FIXED_TIMEOUT = (1 << IPS_FIXED_TIMEOUT_BIT),
+
+	/* Conntrack is a template */
+	IPS_TEMPLATE_BIT = 11,
+	IPS_TEMPLATE = (1 << IPS_TEMPLATE_BIT),
+};
+
+/* Connection tracking event types */
+enum ip_conntrack_events {
+	IPCT_NEW,		/* new conntrack */
+	IPCT_RELATED,		/* related conntrack */
+	IPCT_DESTROY,		/* destroyed conntrack */
+	IPCT_REPLY,		/* connection has seen two-way traffic */
+	IPCT_ASSURED,		/* connection status has changed to assured */
+	IPCT_PROTOINFO,		/* protocol information has changed */
+	IPCT_HELPER,		/* new helper has been set */
+	IPCT_MARK,		/* new mark has been set */
+	IPCT_NATSEQADJ,		/* NAT is doing sequence adjustment */
+	IPCT_SECMARK,		/* new security mark has been set */
+};
+
+enum ip_conntrack_expect_events {
+	IPEXP_NEW,		/* new expectation */
 };
 
 #ifdef __KERNEL__
diff --git a/include/linux/netfilter/nf_conntrack_sip.h b/include/linux/netfilter/nf_conntrack_sip.h
index 23aa2ec6b7b..ff8cfbcf3b8 100644
--- a/include/linux/netfilter/nf_conntrack_sip.h
+++ b/include/linux/netfilter/nf_conntrack_sip.h
@@ -14,6 +14,7 @@ enum sip_expectation_classes {
 	SIP_EXPECT_SIGNALLING,
 	SIP_EXPECT_AUDIO,
 	SIP_EXPECT_VIDEO,
+	SIP_EXPECT_IMAGE,
 	__SIP_EXPECT_MAX
 };
 #define SIP_EXPECT_MAX	(__SIP_EXPECT_MAX - 1)
@@ -34,10 +35,10 @@ struct sdp_media_type {
 struct sip_handler {
 	const char	*method;
 	unsigned int	len;
-	int		(*request)(struct sk_buff *skb,
+	int		(*request)(struct sk_buff *skb, unsigned int dataoff,
 				   const char **dptr, unsigned int *datalen,
 				   unsigned int cseq);
-	int		(*response)(struct sk_buff *skb,
+	int		(*response)(struct sk_buff *skb, unsigned int dataoff,
 				    const char **dptr, unsigned int *datalen,
 				    unsigned int cseq, unsigned int code);
 };
@@ -84,7 +85,8 @@ enum sip_header_types {
 	SIP_HDR_FROM,
 	SIP_HDR_TO,
 	SIP_HDR_CONTACT,
-	SIP_HDR_VIA,
+	SIP_HDR_VIA_UDP,
+	SIP_HDR_VIA_TCP,
 	SIP_HDR_EXPIRES,
 	SIP_HDR_CONTENT_LENGTH,
 };
@@ -100,33 +102,40 @@ enum sdp_header_types {
 };
 
 extern unsigned int (*nf_nat_sip_hook)(struct sk_buff *skb,
+				       unsigned int dataoff,
 				       const char **dptr,
 				       unsigned int *datalen);
+extern void (*nf_nat_sip_seq_adjust_hook)(struct sk_buff *skb, s16 off);
 extern unsigned int (*nf_nat_sip_expect_hook)(struct sk_buff *skb,
+					      unsigned int dataoff,
 					      const char **dptr,
 					      unsigned int *datalen,
 					      struct nf_conntrack_expect *exp,
 					      unsigned int matchoff,
 					      unsigned int matchlen);
 extern unsigned int (*nf_nat_sdp_addr_hook)(struct sk_buff *skb,
-					    const char **dptr,
 					    unsigned int dataoff,
+					    const char **dptr,
 					    unsigned int *datalen,
+					    unsigned int sdpoff,
 					    enum sdp_header_types type,
 					    enum sdp_header_types term,
 					    const union nf_inet_addr *addr);
 extern unsigned int (*nf_nat_sdp_port_hook)(struct sk_buff *skb,
+					    unsigned int dataoff,
 					    const char **dptr,
 					    unsigned int *datalen,
 					    unsigned int matchoff,
 					    unsigned int matchlen,
 					    u_int16_t port);
 extern unsigned int (*nf_nat_sdp_session_hook)(struct sk_buff *skb,
-					       const char **dptr,
 					       unsigned int dataoff,
+					       const char **dptr,
 					       unsigned int *datalen,
+					       unsigned int sdpoff,
 					       const union nf_inet_addr *addr);
 extern unsigned int (*nf_nat_sdp_media_hook)(struct sk_buff *skb,
+					     unsigned int dataoff,
 					     const char **dptr,
 					     unsigned int *datalen,
 					     struct nf_conntrack_expect *rtp_exp,
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 49d321f3ccd..53923868c9b 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -73,11 +73,11 @@ struct nfnetlink_subsystem {
 extern int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n);
 extern int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n);
 
-extern int nfnetlink_has_listeners(unsigned int group);
-extern int nfnetlink_send(struct sk_buff *skb, u32 pid, unsigned group, 
+extern int nfnetlink_has_listeners(struct net *net, unsigned int group);
+extern int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned group,
 			  int echo, gfp_t flags);
-extern void nfnetlink_set_err(u32 pid, u32 group, int error);
-extern int nfnetlink_unicast(struct sk_buff *skb, u_int32_t pid, int flags);
+extern void nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error);
+extern int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u_int32_t pid, int flags);
 
 extern void nfnl_lock(void);
 extern void nfnl_unlock(void);
diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/linux/netfilter/nfnetlink_conntrack.h
index ed4ef8d0b11..9ed534c991b 100644
--- a/include/linux/netfilter/nfnetlink_conntrack.h
+++ b/include/linux/netfilter/nfnetlink_conntrack.h
@@ -40,6 +40,7 @@ enum ctattr_type {
 	CTA_NAT_SEQ_ADJ_ORIG,
 	CTA_NAT_SEQ_ADJ_REPLY,
 	CTA_SECMARK,
+	CTA_ZONE,
 	__CTA_MAX
 };
 #define CTA_MAX (__CTA_MAX - 1)
@@ -159,6 +160,7 @@ enum ctattr_expect {
 	CTA_EXPECT_TIMEOUT,
 	CTA_EXPECT_ID,
 	CTA_EXPECT_HELP_NAME,
+	CTA_EXPECT_ZONE,
 	__CTA_EXPECT_MAX
 };
 #define CTA_EXPECT_MAX (__CTA_EXPECT_MAX - 1)
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 378f27ae777..a18119fb88f 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -93,8 +93,7 @@ struct _xt_align {
 	__u64 u64;
 };
 
-#define XT_ALIGN(s) (((s) + (__alignof__(struct _xt_align)-1)) 	\
-			& ~(__alignof__(struct _xt_align)-1))
+#define XT_ALIGN(s) ALIGN((s), __alignof__(struct _xt_align))
 
 /* Standard return verdict, or do jump. */
 #define XT_STANDARD_TARGET ""
@@ -205,6 +204,7 @@ struct xt_match_param {
  * @hook_mask:	via which hooks the new rule is reachable
  */
 struct xt_mtchk_param {
+	struct net *net;
 	const char *table;
 	const void *entryinfo;
 	const struct xt_match *match;
@@ -215,6 +215,7 @@ struct xt_mtchk_param {
 
 /* Match destructor parameters */
 struct xt_mtdtor_param {
+	struct net *net;
 	const struct xt_match *match;
 	void *matchinfo;
 	u_int8_t family;
@@ -247,6 +248,7 @@ struct xt_target_param {
  * Other fields see above.
  */
 struct xt_tgchk_param {
+	struct net *net;
 	const char *table;
 	const void *entryinfo;
 	const struct xt_target *target;
@@ -257,6 +259,7 @@ struct xt_tgchk_param {
 
 /* Target destructor parameters */
 struct xt_tgdtor_param {
+	struct net *net;
 	const struct xt_target *target;
 	void *targinfo;
 	u_int8_t family;
@@ -281,11 +284,11 @@ struct xt_match {
 
 	/* Called when entry of this type deleted. */
 	void (*destroy)(const struct xt_mtdtor_param *);
-
+#ifdef CONFIG_COMPAT
 	/* Called when userspace align differs from kernel space one */
-	void (*compat_from_user)(void *dst, void *src);
-	int (*compat_to_user)(void __user *dst, void *src);
-
+	void (*compat_from_user)(void *dst, const void *src);
+	int (*compat_to_user)(void __user *dst, const void *src);
+#endif
 	/* Set this to THIS_MODULE if you are a module, otherwise NULL */
 	struct module *me;
 
@@ -294,7 +297,9 @@ struct xt_match {
 
 	const char *table;
 	unsigned int matchsize;
+#ifdef CONFIG_COMPAT
 	unsigned int compatsize;
+#endif
 	unsigned int hooks;
 	unsigned short proto;
 
@@ -321,17 +326,19 @@ struct xt_target {
 
 	/* Called when entry of this type deleted. */
 	void (*destroy)(const struct xt_tgdtor_param *);
-
+#ifdef CONFIG_COMPAT
 	/* Called when userspace align differs from kernel space one */
-	void (*compat_from_user)(void *dst, void *src);
-	int (*compat_to_user)(void __user *dst, void *src);
-
+	void (*compat_from_user)(void *dst, const void *src);
+	int (*compat_to_user)(void __user *dst, const void *src);
+#endif
 	/* Set this to THIS_MODULE if you are a module, otherwise NULL */
 	struct module *me;
 
 	const char *table;
 	unsigned int targetsize;
+#ifdef CONFIG_COMPAT
 	unsigned int compatsize;
+#endif
 	unsigned int hooks;
 	unsigned short proto;
 
@@ -353,6 +360,7 @@ struct xt_table {
 	struct module *me;
 
 	u_int8_t af;		/* address/protocol family */
+	int priority;		/* hook order */
 
 	/* A unique name... */
 	const char name[XT_TABLE_MAXNAMELEN];
@@ -514,6 +522,9 @@ static inline unsigned long ifname_compare_aligned(const char *_a,
 	return ret;
 }
 
+extern struct nf_hook_ops *xt_hook_link(const struct xt_table *, nf_hookfn *);
+extern void xt_hook_unlink(const struct xt_table *, struct nf_hook_ops *);
+
 #ifdef CONFIG_COMPAT
 #include <net/compat.h>
 
@@ -554,11 +565,7 @@ struct compat_xt_entry_target {
  * current task alignment */
 
 struct compat_xt_counters {
-#if defined(CONFIG_X86_64) || defined(CONFIG_IA64)
-	u_int32_t cnt[4];
-#else
-	u_int64_t cnt[2];
-#endif
+	compat_u64 pcnt, bcnt;			/* Packet and byte counters */
 };
 
 struct compat_xt_counters_info {
@@ -567,26 +574,32 @@ struct compat_xt_counters_info {
 	struct compat_xt_counters counters[0];
 };
 
-#define COMPAT_XT_ALIGN(s) (((s) + (__alignof__(struct compat_xt_counters)-1)) \
-		& ~(__alignof__(struct compat_xt_counters)-1))
+struct _compat_xt_align {
+	__u8 u8;
+	__u16 u16;
+	__u32 u32;
+	compat_u64 u64;
+};
+
+#define COMPAT_XT_ALIGN(s) ALIGN((s), __alignof__(struct _compat_xt_align))
 
 extern void xt_compat_lock(u_int8_t af);
 extern void xt_compat_unlock(u_int8_t af);
 
 extern int xt_compat_add_offset(u_int8_t af, unsigned int offset, short delta);
 extern void xt_compat_flush_offsets(u_int8_t af);
-extern short xt_compat_calc_jump(u_int8_t af, unsigned int offset);
+extern int xt_compat_calc_jump(u_int8_t af, unsigned int offset);
 
 extern int xt_compat_match_offset(const struct xt_match *match);
 extern int xt_compat_match_from_user(struct xt_entry_match *m,
 				     void **dstptr, unsigned int *size);
-extern int xt_compat_match_to_user(struct xt_entry_match *m,
+extern int xt_compat_match_to_user(const struct xt_entry_match *m,
 				   void __user **dstptr, unsigned int *size);
 
 extern int xt_compat_target_offset(const struct xt_target *target);
 extern void xt_compat_target_from_user(struct xt_entry_target *t,
 				       void **dstptr, unsigned int *size);
-extern int xt_compat_target_to_user(struct xt_entry_target *t,
+extern int xt_compat_target_to_user(const struct xt_entry_target *t,
 				    void __user **dstptr, unsigned int *size);
 
 #endif /* CONFIG_COMPAT */
diff --git a/include/linux/netfilter/xt_CT.h b/include/linux/netfilter/xt_CT.h
new file mode 100644
index 00000000000..1b564106891
--- /dev/null
+++ b/include/linux/netfilter/xt_CT.h
@@ -0,0 +1,17 @@
+#ifndef _XT_CT_H
+#define _XT_CT_H
+
+#define XT_CT_NOTRACK	0x1
+
+struct xt_ct_target_info {
+	u_int16_t	flags;
+	u_int16_t	zone;
+	u_int32_t	ct_events;
+	u_int32_t	exp_events;
+	char		helper[16];
+
+	/* Used internally by the kernel */
+	struct nf_conn	*ct __attribute__((aligned(8)));
+};
+
+#endif /* _XT_CT_H */
diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h
index f2336523a9d..0b33980611b 100644
--- a/include/linux/netfilter_arp/arp_tables.h
+++ b/include/linux/netfilter_arp/arp_tables.h
@@ -258,6 +258,7 @@ struct arpt_error {
 	.target.errorname = "ERROR",					       \
 }
 
+extern void *arpt_alloc_initial_table(const struct xt_table *);
 extern struct xt_table *arpt_register_table(struct net *net,
 					    const struct xt_table *table,
 					    const struct arpt_replace *repl);
diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h
index 3cc40c131cc..1c6f0c5f530 100644
--- a/include/linux/netfilter_bridge/ebtables.h
+++ b/include/linux/netfilter_bridge/ebtables.h
@@ -289,7 +289,7 @@ struct ebt_table {
 		     ~(__alignof__(struct ebt_replace)-1))
 extern struct ebt_table *ebt_register_table(struct net *net,
 					    const struct ebt_table *table);
-extern void ebt_unregister_table(struct ebt_table *table);
+extern void ebt_unregister_table(struct net *net, struct ebt_table *table);
 extern unsigned int ebt_do_table(unsigned int hook, struct sk_buff *skb,
    const struct net_device *in, const struct net_device *out,
    struct ebt_table *table);
diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h
index 27b3f580730..364973b4213 100644
--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -242,7 +242,7 @@ extern void ipt_init(void) __init;
 extern struct xt_table *ipt_register_table(struct net *net,
 					   const struct xt_table *table,
 					   const struct ipt_replace *repl);
-extern void ipt_unregister_table(struct xt_table *table);
+extern void ipt_unregister_table(struct net *net, struct xt_table *table);
 
 /* Standard entry. */
 struct ipt_standard {
@@ -282,6 +282,7 @@ struct ipt_error {
 	.target.errorname = "ERROR",					       \
 }
 
+extern void *ipt_alloc_initial_table(const struct xt_table *);
 extern unsigned int ipt_do_table(struct sk_buff *skb,
 				 unsigned int hook,
 				 const struct net_device *in,
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
index b31050d20ae..8031eb486a1 100644
--- a/include/linux/netfilter_ipv6/ip6_tables.h
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -297,10 +297,11 @@ ip6t_get_target(struct ip6t_entry *e)
 #include <linux/init.h>
 extern void ip6t_init(void) __init;
 
+extern void *ip6t_alloc_initial_table(const struct xt_table *);
 extern struct xt_table *ip6t_register_table(struct net *net,
 					    const struct xt_table *table,
 					    const struct ip6t_replace *repl);
-extern void ip6t_unregister_table(struct xt_table *table);
+extern void ip6t_unregister_table(struct net *net, struct xt_table *table);
 extern unsigned int ip6t_do_table(struct sk_buff *skb,
 				  unsigned int hook,
 				  const struct net_device *in,
diff --git a/include/net/ip.h b/include/net/ip.h
index fb63371c07a..7bc47873e3f 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -352,8 +352,11 @@ enum ip_defrag_users {
 	IP_DEFRAG_LOCAL_DELIVER,
 	IP_DEFRAG_CALL_RA_CHAIN,
 	IP_DEFRAG_CONNTRACK_IN,
+	__IP_DEFRAG_CONNTRACK_IN_END	= IP_DEFRAG_CONNTRACK_IN + USHORT_MAX,
 	IP_DEFRAG_CONNTRACK_OUT,
+	__IP_DEFRAG_CONNTRACK_OUT_END	= IP_DEFRAG_CONNTRACK_OUT + USHORT_MAX,
 	IP_DEFRAG_CONNTRACK_BRIDGE_IN,
+	__IP_DEFRAG_CONNTRACK_BRIDGE_IN = IP_DEFRAG_CONNTRACK_BRIDGE_IN + USHORT_MAX,
 	IP_DEFRAG_VS_IN,
 	IP_DEFRAG_VS_OUT,
 	IP_DEFRAG_VS_FWD
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 8dc3296b7be..a816c37417b 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -26,6 +26,11 @@
 #include <linux/ipv6.h>			/* for struct ipv6hdr */
 #include <net/ipv6.h>			/* for ipv6_addr_copy */
 
+
+/* Connections' size value needed by ip_vs_ctl.c */
+extern int ip_vs_conn_tab_size;
+
+
 struct ip_vs_iphdr {
 	int len;
 	__u8 protocol;
@@ -592,17 +597,6 @@ extern void ip_vs_init_hash_table(struct list_head *table, int rows);
  *     (from ip_vs_conn.c)
  */
 
-/*
- *     IPVS connection entry hash table
- */
-#ifndef CONFIG_IP_VS_TAB_BITS
-#define CONFIG_IP_VS_TAB_BITS   12
-#endif
-
-#define IP_VS_CONN_TAB_BITS	CONFIG_IP_VS_TAB_BITS
-#define IP_VS_CONN_TAB_SIZE     (1 << IP_VS_CONN_TAB_BITS)
-#define IP_VS_CONN_TAB_MASK     (IP_VS_CONN_TAB_SIZE - 1)
-
 enum {
 	IP_VS_DIR_INPUT = 0,
 	IP_VS_DIR_OUTPUT,
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index ccab5946c83..639ec53ea08 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -246,6 +246,8 @@ extern int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb);
 int ip6_frag_nqueues(struct net *net);
 int ip6_frag_mem(struct net *net);
 
+#define IPV6_FRAG_HIGH_THRESH	262144		/* == 256*1024 */
+#define IPV6_FRAG_LOW_THRESH	196608		/* == 192*1024 */
 #define IPV6_FRAG_TIMEOUT	(60*HZ)		/* 60 seconds */
 
 extern int __ipv6_addr_type(const struct in6_addr *addr);
@@ -353,8 +355,11 @@ struct inet_frag_queue;
 enum ip6_defrag_users {
 	IP6_DEFRAG_LOCAL_DELIVER,
 	IP6_DEFRAG_CONNTRACK_IN,
+	__IP6_DEFRAG_CONNTRACK_IN	= IP6_DEFRAG_CONNTRACK_IN + USHORT_MAX,
 	IP6_DEFRAG_CONNTRACK_OUT,
+	__IP6_DEFRAG_CONNTRACK_OUT	= IP6_DEFRAG_CONNTRACK_OUT + USHORT_MAX,
 	IP6_DEFRAG_CONNTRACK_BRIDGE_IN,
+	__IP6_DEFRAG_CONNTRACK_BRIDGE_IN = IP6_DEFRAG_CONNTRACK_BRIDGE_IN + USHORT_MAX,
 };
 
 struct ip6_create_arg {
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index f307e133d14..82b7be4db89 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -81,6 +81,8 @@ struct net {
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
 	struct netns_ct		ct;
 #endif
+	struct sock		*nfnl;
+	struct sock		*nfnl_stash;
 #endif
 #ifdef CONFIG_XFRM
 	struct netns_xfrm	xfrm;
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index a0904adfb8f..bde095f7e84 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -70,7 +70,7 @@ union nf_conntrack_help {
 struct nf_conntrack_helper;
 
 /* Must be kept in sync with the classes defined by helpers */
-#define NF_CT_MAX_EXPECT_CLASSES	3
+#define NF_CT_MAX_EXPECT_CLASSES	4
 
 /* nf_conn feature for connections that have a helper */
 struct nf_conn_help {
@@ -198,7 +198,8 @@ extern void *nf_ct_alloc_hashtable(unsigned int *sizep, int *vmalloced, int null
 extern void nf_ct_free_hashtable(void *hash, int vmalloced, unsigned int size);
 
 extern struct nf_conntrack_tuple_hash *
-__nf_conntrack_find(struct net *net, const struct nf_conntrack_tuple *tuple);
+__nf_conntrack_find(struct net *net, u16 zone,
+		    const struct nf_conntrack_tuple *tuple);
 
 extern void nf_conntrack_hash_insert(struct nf_conn *ct);
 extern void nf_ct_delete_from_lists(struct nf_conn *ct);
@@ -267,11 +268,16 @@ extern void
 nf_ct_iterate_cleanup(struct net *net, int (*iter)(struct nf_conn *i, void *data), void *data);
 extern void nf_conntrack_free(struct nf_conn *ct);
 extern struct nf_conn *
-nf_conntrack_alloc(struct net *net,
+nf_conntrack_alloc(struct net *net, u16 zone,
 		   const struct nf_conntrack_tuple *orig,
 		   const struct nf_conntrack_tuple *repl,
 		   gfp_t gfp);
 
+static inline int nf_ct_is_template(const struct nf_conn *ct)
+{
+	return test_bit(IPS_TEMPLATE_BIT, &ct->status);
+}
+
 /* It's confirmed if it is, or has been in the hash table. */
 static inline int nf_ct_is_confirmed(struct nf_conn *ct)
 {
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index 5a449b44ba3..dffde8e6920 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -49,7 +49,8 @@ nf_ct_invert_tuple(struct nf_conntrack_tuple *inverse,
 
 /* Find a connection corresponding to a tuple. */
 extern struct nf_conntrack_tuple_hash *
-nf_conntrack_find_get(struct net *net, const struct nf_conntrack_tuple *tuple);
+nf_conntrack_find_get(struct net *net, u16 zone,
+		      const struct nf_conntrack_tuple *tuple);
 
 extern int __nf_conntrack_confirm(struct sk_buff *skb);
 
diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h
index 475facc3051..96ba5f7dcab 100644
--- a/include/net/netfilter/nf_conntrack_ecache.h
+++ b/include/net/netfilter/nf_conntrack_ecache.h
@@ -12,27 +12,12 @@
 #include <linux/netfilter/nf_conntrack_tuple_common.h>
 #include <net/netfilter/nf_conntrack_extend.h>
 
-/* Connection tracking event types */
-enum ip_conntrack_events {
-	IPCT_NEW		= 0,	/* new conntrack */
-	IPCT_RELATED		= 1,	/* related conntrack */
-	IPCT_DESTROY		= 2,	/* destroyed conntrack */
-	IPCT_STATUS		= 3,	/* status has changed */
-	IPCT_PROTOINFO		= 4,	/* protocol information has changed */
-	IPCT_HELPER		= 5,	/* new helper has been set */
-	IPCT_MARK		= 6,	/* new mark has been set */
-	IPCT_NATSEQADJ		= 7,	/* NAT is doing sequence adjustment */
-	IPCT_SECMARK		= 8,	/* new security mark has been set */
-};
-
-enum ip_conntrack_expect_events {
-	IPEXP_NEW		= 0,	/* new expectation */
-};
-
 struct nf_conntrack_ecache {
-	unsigned long cache;		/* bitops want long */
-	unsigned long missed;		/* missed events */
-	u32 pid;			/* netlink pid of destroyer */
+	unsigned long cache;	/* bitops want long */
+	unsigned long missed;	/* missed events */
+	u16 ctmask;		/* bitmask of ct events to be delivered */
+	u16 expmask;		/* bitmask of expect events to be delivered */
+	u32 pid;		/* netlink pid of destroyer */
 };
 
 static inline struct nf_conntrack_ecache *
@@ -42,14 +27,24 @@ nf_ct_ecache_find(const struct nf_conn *ct)
 }
 
 static inline struct nf_conntrack_ecache *
-nf_ct_ecache_ext_add(struct nf_conn *ct, gfp_t gfp)
+nf_ct_ecache_ext_add(struct nf_conn *ct, u16 ctmask, u16 expmask, gfp_t gfp)
 {
 	struct net *net = nf_ct_net(ct);
+	struct nf_conntrack_ecache *e;
 
-	if (!net->ct.sysctl_events)
+	if (!ctmask && !expmask && net->ct.sysctl_events) {
+		ctmask = ~0;
+		expmask = ~0;
+	}
+	if (!ctmask && !expmask)
 		return NULL;
 
-	return nf_ct_ext_add(ct, NF_CT_EXT_ECACHE, gfp);
+	e = nf_ct_ext_add(ct, NF_CT_EXT_ECACHE, gfp);
+	if (e) {
+		e->ctmask  = ctmask;
+		e->expmask = expmask;
+	}
+	return e;
 };
 
 #ifdef CONFIG_NF_CONNTRACK_EVENTS
@@ -82,6 +77,9 @@ nf_conntrack_event_cache(enum ip_conntrack_events event, struct nf_conn *ct)
 	if (e == NULL)
 		return;
 
+	if (!(e->ctmask & (1 << event)))
+		return;
+
 	set_bit(event, &e->cache);
 }
 
@@ -92,7 +90,6 @@ nf_conntrack_eventmask_report(unsigned int eventmask,
 			      int report)
 {
 	int ret = 0;
-	struct net *net = nf_ct_net(ct);
 	struct nf_ct_event_notifier *notify;
 	struct nf_conntrack_ecache *e;
 
@@ -101,9 +98,6 @@ nf_conntrack_eventmask_report(unsigned int eventmask,
 	if (notify == NULL)
 		goto out_unlock;
 
-	if (!net->ct.sysctl_events)
-		goto out_unlock;
-
 	e = nf_ct_ecache_find(ct);
 	if (e == NULL)
 		goto out_unlock;
@@ -117,6 +111,9 @@ nf_conntrack_eventmask_report(unsigned int eventmask,
 		/* This is a resent of a destroy event? If so, skip missed */
 		unsigned long missed = e->pid ? 0 : e->missed;
 
+		if (!((eventmask | missed) & e->ctmask))
+			goto out_unlock;
+
 		ret = notify->fcn(eventmask | missed, &item);
 		if (unlikely(ret < 0 || missed)) {
 			spin_lock_bh(&ct->lock);
@@ -172,18 +169,19 @@ nf_ct_expect_event_report(enum ip_conntrack_expect_events event,
 			  u32 pid,
 			  int report)
 {
-	struct net *net = nf_ct_exp_net(exp);
 	struct nf_exp_event_notifier *notify;
+	struct nf_conntrack_ecache *e;
 
 	rcu_read_lock();
 	notify = rcu_dereference(nf_expect_event_cb);
 	if (notify == NULL)
 		goto out_unlock;
 
-	if (!net->ct.sysctl_events)
+	e = nf_ct_ecache_find(exp->master);
+	if (e == NULL)
 		goto out_unlock;
 
-	{
+	if (e->expmask & (1 << event)) {
 		struct nf_exp_event item = {
 			.exp	= exp,
 			.pid	= pid,
diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h
index 9a2b9cb5227..11e815084fc 100644
--- a/include/net/netfilter/nf_conntrack_expect.h
+++ b/include/net/netfilter/nf_conntrack_expect.h
@@ -56,16 +56,13 @@ struct nf_conntrack_expect {
 
 static inline struct net *nf_ct_exp_net(struct nf_conntrack_expect *exp)
 {
-#ifdef CONFIG_NET_NS
-	return exp->master->ct_net;	/* by definition */
-#else
-	return &init_net;
-#endif
+	return nf_ct_net(exp->master);
 }
 
 struct nf_conntrack_expect_policy {
 	unsigned int	max_expected;
 	unsigned int	timeout;
+	const char	*name;
 };
 
 #define NF_CT_EXPECT_CLASS_DEFAULT	0
@@ -77,13 +74,16 @@ int nf_conntrack_expect_init(struct net *net);
 void nf_conntrack_expect_fini(struct net *net);
 
 struct nf_conntrack_expect *
-__nf_ct_expect_find(struct net *net, const struct nf_conntrack_tuple *tuple);
+__nf_ct_expect_find(struct net *net, u16 zone,
+		    const struct nf_conntrack_tuple *tuple);
 
 struct nf_conntrack_expect *
-nf_ct_expect_find_get(struct net *net, const struct nf_conntrack_tuple *tuple);
+nf_ct_expect_find_get(struct net *net, u16 zone,
+		      const struct nf_conntrack_tuple *tuple);
 
 struct nf_conntrack_expect *
-nf_ct_find_expectation(struct net *net, const struct nf_conntrack_tuple *tuple);
+nf_ct_find_expectation(struct net *net, u16 zone,
+		       const struct nf_conntrack_tuple *tuple);
 
 void nf_ct_unlink_expect(struct nf_conntrack_expect *exp);
 void nf_ct_remove_expectations(struct nf_conn *ct);
diff --git a/include/net/netfilter/nf_conntrack_extend.h b/include/net/netfilter/nf_conntrack_extend.h
index e192dc17c58..2d2a1f9a61d 100644
--- a/include/net/netfilter/nf_conntrack_extend.h
+++ b/include/net/netfilter/nf_conntrack_extend.h
@@ -8,6 +8,7 @@ enum nf_ct_ext_id {
 	NF_CT_EXT_NAT,
 	NF_CT_EXT_ACCT,
 	NF_CT_EXT_ECACHE,
+	NF_CT_EXT_ZONE,
 	NF_CT_EXT_NUM,
 };
 
@@ -15,6 +16,7 @@ enum nf_ct_ext_id {
 #define NF_CT_EXT_NAT_TYPE struct nf_conn_nat
 #define NF_CT_EXT_ACCT_TYPE struct nf_conn_counter
 #define NF_CT_EXT_ECACHE_TYPE struct nf_conntrack_ecache
+#define NF_CT_EXT_ZONE_TYPE struct nf_conntrack_zone
 
 /* Extensions: optional stuff which isn't permanently in struct. */
 struct nf_ct_ext {
diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h
index d015de92e03..32c305dbdab 100644
--- a/include/net/netfilter/nf_conntrack_helper.h
+++ b/include/net/netfilter/nf_conntrack_helper.h
@@ -40,14 +40,18 @@ struct nf_conntrack_helper {
 };
 
 extern struct nf_conntrack_helper *
-__nf_conntrack_helper_find_byname(const char *name);
+__nf_conntrack_helper_find(const char *name, u16 l3num, u8 protonum);
+
+extern struct nf_conntrack_helper *
+nf_conntrack_helper_try_module_get(const char *name, u16 l3num, u8 protonum);
 
 extern int nf_conntrack_helper_register(struct nf_conntrack_helper *);
 extern void nf_conntrack_helper_unregister(struct nf_conntrack_helper *);
 
 extern struct nf_conn_help *nf_ct_helper_ext_add(struct nf_conn *ct, gfp_t gfp);
 
-extern int __nf_ct_try_assign_helper(struct nf_conn *ct, gfp_t flags);
+extern int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl,
+				     gfp_t flags);
 
 extern void nf_ct_helper_destroy(struct nf_conn *ct);
 
diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h
index ca6dcf3445a..e3d3ee3c06a 100644
--- a/include/net/netfilter/nf_conntrack_l4proto.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -49,8 +49,8 @@ struct nf_conntrack_l4proto {
 	/* Called when a conntrack entry is destroyed */
 	void (*destroy)(struct nf_conn *ct);
 
-	int (*error)(struct net *net, struct sk_buff *skb, unsigned int dataoff,
-		     enum ip_conntrack_info *ctinfo,
+	int (*error)(struct net *net, struct nf_conn *tmpl, struct sk_buff *skb,
+		     unsigned int dataoff, enum ip_conntrack_info *ctinfo,
 		     u_int8_t pf, unsigned int hooknum);
 
 	/* Print out the per-protocol part of the tuple. Return like seq_* */
diff --git a/include/net/netfilter/nf_conntrack_zones.h b/include/net/netfilter/nf_conntrack_zones.h
new file mode 100644
index 00000000000..0bbb2bd51e8
--- /dev/null
+++ b/include/net/netfilter/nf_conntrack_zones.h
@@ -0,0 +1,23 @@
+#ifndef _NF_CONNTRACK_ZONES_H
+#define _NF_CONNTRACK_ZONES_H
+
+#include <net/netfilter/nf_conntrack_extend.h>
+
+#define NF_CT_DEFAULT_ZONE	0
+
+struct nf_conntrack_zone {
+	u16	id;
+};
+
+static inline u16 nf_ct_zone(const struct nf_conn *ct)
+{
+#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;
+}
+
+#endif /* _NF_CONNTRACK_ZONES_H */
diff --git a/include/net/netfilter/nf_nat_helper.h b/include/net/netfilter/nf_nat_helper.h
index 4222220920a..02bb6c29dc3 100644
--- a/include/net/netfilter/nf_nat_helper.h
+++ b/include/net/netfilter/nf_nat_helper.h
@@ -7,13 +7,27 @@
 struct sk_buff;
 
 /* These return true or false. */
-extern int nf_nat_mangle_tcp_packet(struct sk_buff *skb,
-				    struct nf_conn *ct,
-				    enum ip_conntrack_info ctinfo,
-				    unsigned int match_offset,
-				    unsigned int match_len,
-				    const char *rep_buffer,
-				    unsigned int rep_len);
+extern int __nf_nat_mangle_tcp_packet(struct sk_buff *skb,
+				      struct nf_conn *ct,
+				      enum ip_conntrack_info ctinfo,
+				      unsigned int match_offset,
+				      unsigned int match_len,
+				      const char *rep_buffer,
+				      unsigned int rep_len, bool adjust);
+
+static inline int nf_nat_mangle_tcp_packet(struct sk_buff *skb,
+					   struct nf_conn *ct,
+					   enum ip_conntrack_info ctinfo,
+					   unsigned int match_offset,
+					   unsigned int match_len,
+					   const char *rep_buffer,
+					   unsigned int rep_len)
+{
+	return __nf_nat_mangle_tcp_packet(skb, ct, ctinfo,
+					  match_offset, match_len,
+					  rep_buffer, rep_len, true);
+}
+
 extern int nf_nat_mangle_udp_packet(struct sk_buff *skb,
 				    struct nf_conn *ct,
 				    enum ip_conntrack_info ctinfo,
@@ -21,6 +35,10 @@ extern int nf_nat_mangle_udp_packet(struct sk_buff *skb,
 				    unsigned int match_len,
 				    const char *rep_buffer,
 				    unsigned int rep_len);
+
+extern void nf_nat_set_seq_adjust(struct nf_conn *ct,
+				  enum ip_conntrack_info ctinfo,
+				  __be32 seq, s16 off);
 extern int nf_nat_seq_adjust(struct sk_buff *skb,
 			     struct nf_conn *ct,
 			     enum ip_conntrack_info ctinfo);
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 9a4b8b71407..2764994c913 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -37,7 +37,9 @@ struct netns_ipv4 {
 	struct xt_table		*iptable_mangle;
 	struct xt_table		*iptable_raw;
 	struct xt_table		*arptable_filter;
+#ifdef CONFIG_SECURITY
 	struct xt_table		*iptable_security;
+#endif
 	struct xt_table		*nat_table;
 	struct hlist_head	*nat_bysource;
 	unsigned int		nat_htable_size;
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index dfeb2d7c425..1f11ebc2215 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -36,8 +36,10 @@ struct netns_ipv6 {
 	struct xt_table		*ip6table_filter;
 	struct xt_table		*ip6table_mangle;
 	struct xt_table		*ip6table_raw;
+#ifdef CONFIG_SECURITY
 	struct xt_table		*ip6table_security;
 #endif
+#endif
 	struct rt6_info         *ip6_null_entry;
 	struct rt6_statistics   *rt6_stats;
 	struct timer_list       ip6_fib_timer;