Merge branch 'linux-2.6' into for-linus

70 files changed, 1497 insertions, 544 deletions

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 44f1b673f916..88df8fc814e4 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -35,9 +35,9 @@ struct prefix_info {
 #else
 #error "Please fix <asm/byteorder.h>"
 #endif
-	__u32			valid;
-	__u32			prefered;
-	__u32			reserved2;
+	__be32			valid;
+	__be32			prefered;
+	__be32			reserved2;
 
 	struct in6_addr		prefix;
 };
@@ -183,7 +183,7 @@ static __inline__ u8 ipv6_addr_hash(const struct in6_addr *addr)
 	 * This will include the IEEE address token on links that support it.
 	 */
 
-	word = addr->s6_addr32[2] ^ addr->s6_addr32[3];
+	word = (__force u32)(addr->s6_addr32[2] ^ addr->s6_addr32[3]);
 	word ^= (word >> 16);
 	word ^= (word >> 8);
 
diff --git a/include/net/arp.h b/include/net/arp.h
index 6a3d9a7d302b..f02664568600 100644
--- a/include/net/arp.h
+++ b/include/net/arp.h
@@ -16,7 +16,7 @@ extern void     arp_send(int type, int ptype, __be32 dest_ip,
 			 struct net_device *dev, __be32 src_ip,
 			 unsigned char *dest_hw, unsigned char *src_hw, unsigned char *th);
 extern int	arp_bind_neighbour(struct dst_entry *dst);
-extern int	arp_mc_map(u32 addr, u8 *haddr, struct net_device *dev, int dir);
+extern int	arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir);
 extern void	arp_ifdown(struct net_device *dev);
 
 extern struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
diff --git a/include/net/atmclip.h b/include/net/atmclip.h
index 90fcc98e676f..b5a51a7bb364 100644
--- a/include/net/atmclip.h
+++ b/include/net/atmclip.h
@@ -36,7 +36,7 @@ struct clip_vcc {
 
 
 struct atmarp_entry {
-	u32		ip;		/* IP address */
+	__be32		ip;		/* IP address */
 	struct clip_vcc	*vccs;		/* active VCCs; NULL if resolution is
 					   pending */
 	unsigned long	expires;	/* entry expiration time */
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index df22efcfcc0b..c0fc39620f36 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -153,6 +153,7 @@ struct hci_conn {
 	__u8             mode;
 	__u8		 type;
 	__u8		 out;
+	__u8		 attempt;
 	__u8		 dev_class[3];
 	__u8             features[8];
 	__u16            interval;
@@ -289,6 +290,22 @@ static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
 	return NULL;
 }
 
+static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
+					__u8 type, __u16 state)
+{
+	struct hci_conn_hash *h = &hdev->conn_hash;
+	struct list_head *p;
+	struct hci_conn  *c;
+
+	list_for_each(p, &h->list) {
+		c = list_entry(p, struct hci_conn, list);
+		if (c->type == type && c->state == state)
+			return c;
+	}
+	return NULL;
+}
+
+void hci_acl_connect(struct hci_conn *conn);
 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
 void hci_add_sco(struct hci_conn *conn, __u16 handle);
 
diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h
index 89d743cfdfdf..3c563f02907c 100644
--- a/include/net/bluetooth/rfcomm.h
+++ b/include/net/bluetooth/rfcomm.h
@@ -124,7 +124,7 @@ struct rfcomm_pn {
 	u8  flow_ctrl;
 	u8  priority;
 	u8  ack_timer;
-	u16 mtu;
+	__le16 mtu;
 	u8  max_retrans;
 	u8  credits;
 } __attribute__ ((packed));
@@ -136,7 +136,7 @@ struct rfcomm_rpn {
 	u8  flow_ctrl;
 	u8  xon_char;
 	u8  xoff_char;
-	u16 param_mask;
+	__le16 param_mask;
 } __attribute__ ((packed));
 
 struct rfcomm_rls {
diff --git a/include/net/checksum.h b/include/net/checksum.h
index e3ea7cc2c728..124246172a88 100644
--- a/include/net/checksum.h
+++ b/include/net/checksum.h
@@ -27,8 +27,8 @@
 
 #ifndef _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
 static inline
-unsigned int csum_and_copy_from_user (const unsigned char __user *src, unsigned char *dst,
-				      int len, int sum, int *err_ptr)
+__wsum csum_and_copy_from_user (const void __user *src, void *dst,
+				      int len, __wsum sum, int *err_ptr)
 {
 	if (access_ok(VERIFY_READ, src, len))
 		return csum_partial_copy_from_user(src, dst, len, sum, err_ptr);
@@ -41,8 +41,8 @@ unsigned int csum_and_copy_from_user (const unsigned char __user *src, unsigned
 #endif
 
 #ifndef HAVE_CSUM_COPY_USER
-static __inline__ unsigned int csum_and_copy_to_user
-(const unsigned char *src, unsigned char __user *dst, int len, unsigned int sum, int *err_ptr)
+static __inline__ __wsum csum_and_copy_to_user
+(const void *src, void __user *dst, int len, __wsum sum, int *err_ptr)
 {
 	sum = csum_partial(src, len, sum);
 
@@ -53,35 +53,44 @@ static __inline__ unsigned int csum_and_copy_to_user
 	if (len)
 		*err_ptr = -EFAULT;
 
-	return -1; /* invalid checksum */
+	return (__force __wsum)-1; /* invalid checksum */
 }
 #endif
 
-static inline unsigned int csum_add(unsigned int csum, unsigned int addend)
+static inline __wsum csum_add(__wsum csum, __wsum addend)
 {
-	csum += addend;
-	return csum + (csum < addend);
+	u32 res = (__force u32)csum;
+	res += (__force u32)addend;
+	return (__force __wsum)(res + (res < (__force u32)addend));
 }
 
-static inline unsigned int csum_sub(unsigned int csum, unsigned int addend)
+static inline __wsum csum_sub(__wsum csum, __wsum addend)
 {
 	return csum_add(csum, ~addend);
 }
 
-static inline unsigned int
-csum_block_add(unsigned int csum, unsigned int csum2, int offset)
+static inline __wsum
+csum_block_add(__wsum csum, __wsum csum2, int offset)
 {
+	u32 sum = (__force u32)csum2;
 	if (offset&1)
-		csum2 = ((csum2&0xFF00FF)<<8)+((csum2>>8)&0xFF00FF);
-	return csum_add(csum, csum2);
+		sum = ((sum&0xFF00FF)<<8)+((sum>>8)&0xFF00FF);
+	return csum_add(csum, (__force __wsum)sum);
 }
 
-static inline unsigned int
-csum_block_sub(unsigned int csum, unsigned int csum2, int offset)
+static inline __wsum
+csum_block_sub(__wsum csum, __wsum csum2, int offset)
 {
+	u32 sum = (__force u32)csum2;
 	if (offset&1)
-		csum2 = ((csum2&0xFF00FF)<<8)+((csum2>>8)&0xFF00FF);
-	return csum_sub(csum, csum2);
+		sum = ((sum&0xFF00FF)<<8)+((sum>>8)&0xFF00FF);
+	return csum_sub(csum, (__force __wsum)sum);
 }
 
+static inline __wsum csum_unfold(__sum16 n)
+{
+	return (__force __wsum)n;
+}
+
+#define CSUM_MANGLED_0 ((__force __sum16)0xffff)
 #endif
diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h
index 718b4d9c891f..4c9522c5178f 100644
--- a/include/net/cipso_ipv4.h
+++ b/include/net/cipso_ipv4.h
@@ -58,10 +58,10 @@
 #define CIPSO_V4_MAP_PASS             2
 
 /* limits */
-#define CIPSO_V4_MAX_REM_LVLS         256
+#define CIPSO_V4_MAX_REM_LVLS         255
 #define CIPSO_V4_INV_LVL              0x80000000
 #define CIPSO_V4_MAX_LOC_LVLS         (CIPSO_V4_INV_LVL - 1)
-#define CIPSO_V4_MAX_REM_CATS         65536
+#define CIPSO_V4_MAX_REM_CATS         65534
 #define CIPSO_V4_INV_CAT              0x80000000
 #define CIPSO_V4_MAX_LOC_CATS         (CIPSO_V4_INV_CAT - 1)
 
diff --git a/include/net/dn.h b/include/net/dn.h
index 465b78302782..ac4ce9091747 100644
--- a/include/net/dn.h
+++ b/include/net/dn.h
@@ -199,11 +199,6 @@ static inline void dn_sk_ports_copy(struct flowi *fl, struct dn_scp *scp)
 {
 	fl->uli_u.dnports.sport = scp->addrloc;
 	fl->uli_u.dnports.dport = scp->addrrem;
-	fl->uli_u.dnports.objnum = scp->addr.sdn_objnum;
-	if (fl->uli_u.dnports.objnum == 0) {
-		fl->uli_u.dnports.objnamel = (__u8)dn_ntohs(scp->addr.sdn_objnamel);
-		memcpy(fl->uli_u.dnports.objname, scp->addr.sdn_objname, 16);
-	}
 }
 
 extern unsigned dn_mss_from_pmtu(struct net_device *dev, int mtu);
diff --git a/include/net/dsfield.h b/include/net/dsfield.h
index a79c9e075f7f..eb65bf2e2502 100644
--- a/include/net/dsfield.h
+++ b/include/net/dsfield.h
@@ -20,14 +20,14 @@ static inline __u8 ipv4_get_dsfield(struct iphdr *iph)
 
 static inline __u8 ipv6_get_dsfield(struct ipv6hdr *ipv6h)
 {
-	return ntohs(*(__u16 *) ipv6h) >> 4;
+	return ntohs(*(__be16 *) ipv6h) >> 4;
 }
 
 
 static inline void ipv4_change_dsfield(struct iphdr *iph,__u8 mask,
     __u8 value)
 {
-        __u32 check = ntohs(iph->check);
+        __u32 check = ntohs((__force __be16)iph->check);
 	__u8 dsfield;
 
 	dsfield = (iph->tos & mask) | value;
@@ -35,7 +35,7 @@ static inline void ipv4_change_dsfield(struct iphdr *iph,__u8 mask,
 	if ((check+1) >> 16) check = (check+1) & 0xffff;
 	check -= dsfield;
 	check += check >> 16; /* adjust carry */
-	iph->check = htons(check);
+	iph->check = (__force __sum16)htons(check);
 	iph->tos = dsfield;
 }
 
@@ -45,9 +45,9 @@ static inline void ipv6_change_dsfield(struct ipv6hdr *ipv6h,__u8 mask,
 {
         __u16 tmp;
 
-	tmp = ntohs(*(__u16 *) ipv6h);
+	tmp = ntohs(*(__be16 *) ipv6h);
 	tmp = (tmp & ((mask << 4) | 0xf00f)) | (value << 4);
-	*(__u16 *) ipv6h = htons(tmp);
+	*(__be16 *) ipv6h = htons(tmp);
 }
 
 
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 8e2f473d3e82..bc3c26494c3d 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -13,6 +13,8 @@ struct fib_rule
 	atomic_t		refcnt;
 	int			ifindex;
 	char			ifname[IFNAMSIZ];
+	u32			mark;
+	u32			mark_mask;
 	u32			pref;
 	u32			flags;
 	u32			table;
@@ -50,6 +52,7 @@ struct fib_rules_ops
 					struct nlmsghdr *,
 					struct fib_rule_hdr *);
 	u32			(*default_pref)(void);
+	size_t			(*nlmsg_payload)(struct fib_rule *);
 
 	int			nlgroup;
 	struct nla_policy	*policy;
@@ -57,6 +60,13 @@ struct fib_rules_ops
 	struct module		*owner;
 };
 
+#define FRA_GENERIC_POLICY \
+	[FRA_IFNAME]	= { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \
+	[FRA_PRIORITY]	= { .type = NLA_U32 }, \
+	[FRA_FWMARK]	= { .type = NLA_U32 }, \
+	[FRA_FWMASK]	= { .type = NLA_U32 }, \
+	[FRA_TABLE]     = { .type = NLA_U32 }
+
 static inline void fib_rule_get(struct fib_rule *rule)
 {
 	atomic_inc(&rule->refcnt);
diff --git a/include/net/flow.h b/include/net/flow.h
index 3b44d72b27d3..ce4b10d8b412 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -13,12 +13,12 @@
 struct flowi {
 	int	oif;
 	int	iif;
+	__u32	mark;
 
 	union {
 		struct {
 			__be32			daddr;
 			__be32			saddr;
-			__u32			fwmark;
 			__u8			tos;
 			__u8			scope;
 		} ip4_u;
@@ -26,28 +26,23 @@ struct flowi {
 		struct {
 			struct in6_addr		daddr;
 			struct in6_addr		saddr;
-			__u32			fwmark;
-			__u32			flowlabel;
+			__be32			flowlabel;
 		} ip6_u;
 
 		struct {
 			__le16			daddr;
 			__le16			saddr;
-			__u32			fwmark;
 			__u8			scope;
 		} dn_u;
 	} nl_u;
 #define fld_dst		nl_u.dn_u.daddr
 #define fld_src		nl_u.dn_u.saddr
-#define fld_fwmark	nl_u.dn_u.fwmark
 #define fld_scope	nl_u.dn_u.scope
 #define fl6_dst		nl_u.ip6_u.daddr
 #define fl6_src		nl_u.ip6_u.saddr
-#define fl6_fwmark	nl_u.ip6_u.fwmark
 #define fl6_flowlabel	nl_u.ip6_u.flowlabel
 #define fl4_dst		nl_u.ip4_u.daddr
 #define fl4_src		nl_u.ip4_u.saddr
-#define fl4_fwmark	nl_u.ip4_u.fwmark
 #define fl4_tos		nl_u.ip4_u.tos
 #define fl4_scope	nl_u.ip4_u.scope
 
@@ -68,9 +63,6 @@ struct flowi {
 		struct {
 			__le16	sport;
 			__le16	dport;
-			__u8	objnum;
-			__u8	objnamel; /* Not 16 bits since max val is 16 */
-			__u8	objname[16]; /* Not zero terminated */
 		} dnports;
 
 		__be32		spi;
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index b619314218a6..adff4c898d50 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -53,6 +53,7 @@ struct genl_info
  * @policy: attribute validation policy
  * @doit: standard command callback
  * @dumpit: callback for dumpers
+ * @done: completion callback for dumps
  * @ops_list: operations list
  */
 struct genl_ops
@@ -64,6 +65,7 @@ struct genl_ops
 				       struct genl_info *info);
 	int		       (*dumpit)(struct sk_buff *skb,
 					 struct netlink_callback *cb);
+	int		       (*done)(struct netlink_callback *cb);
 	struct list_head	ops_list;
 };
 
@@ -79,34 +81,51 @@ extern struct sock *genl_sock;
  * @skb: socket buffer holding the message
  * @pid: netlink pid the message is addressed to
  * @seq: sequence number (usually the one of the sender)
- * @type: netlink message type
- * @hdrlen: length of the user specific header
+ * @family: generic netlink family
  * @flags netlink message flags
  * @cmd: generic netlink command
- * @version: version
  *
  * Returns pointer to user specific header
  */
 static inline void *genlmsg_put(struct sk_buff *skb, u32 pid, u32 seq,
-				int type, int hdrlen, int flags,
-				u8 cmd, u8 version)
+				struct genl_family *family, int flags, u8 cmd)
 {
 	struct nlmsghdr *nlh;
 	struct genlmsghdr *hdr;
 
-	nlh = nlmsg_put(skb, pid, seq, type, GENL_HDRLEN + hdrlen, flags);
+	nlh = nlmsg_put(skb, pid, seq, family->id, GENL_HDRLEN +
+			family->hdrsize, flags);
 	if (nlh == NULL)
 		return NULL;
 
 	hdr = nlmsg_data(nlh);
 	hdr->cmd = cmd;
-	hdr->version = version;
+	hdr->version = family->version;
 	hdr->reserved = 0;
 
 	return (char *) hdr + GENL_HDRLEN;
 }
 
 /**
+ * genlmsg_put_reply - Add generic netlink header to a reply message
+ * @skb: socket buffer holding the message
+ * @info: receiver info
+ * @family: generic netlink family
+ * @flags: netlink message flags
+ * @cmd: generic netlink command
+ *
+ * Returns pointer to user specific header
+ */
+static inline void *genlmsg_put_reply(struct sk_buff *skb,
+				      struct genl_info *info,
+				      struct genl_family *family,
+				      int flags, u8 cmd)
+{
+	return genlmsg_put(skb, info->snd_pid, info->snd_seq, family,
+			   flags, cmd);
+}
+
+/**
  * genlmsg_end - Finalize a generic netlink message
  * @skb: socket buffer the message is stored in
  * @hdr: user specific header
@@ -150,6 +169,16 @@ static inline int genlmsg_unicast(struct sk_buff *skb, u32 pid)
 }
 
 /**
+ * genlmsg_reply - reply to a request
+ * @skb: netlink message to be sent back
+ * @info: receiver information
+ */
+static inline int genlmsg_reply(struct sk_buff *skb, struct genl_info *info)
+{
+	return genlmsg_unicast(skb, info->snd_pid);
+}
+
+/**
  * gennlmsg_data - head of message payload
  * @gnlh: genetlink messsage header
  */
@@ -187,4 +216,15 @@ static inline int genlmsg_total_size(int payload)
 	return NLMSG_ALIGN(genlmsg_msg_size(payload));
 }
 
+/**
+ * genlmsg_new - Allocate a new generic netlink message
+ * @payload: size of the message payload
+ * @flags: the type of memory to allocate.
+ */
+static inline struct sk_buff *genlmsg_new(size_t payload, gfp_t flags)
+{
+	return nlmsg_new(genlmsg_total_size(payload), flags);
+}
+
+
 #endif	/* __NET_GENERIC_NETLINK_H */
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index b174ebb277a9..e6af381e206d 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -1037,6 +1037,10 @@ struct ieee80211_device {
 	/* host performs multicast decryption */
 	int host_mc_decrypt;
 
+	/* host should strip IV and ICV from protected frames */
+	/* meaningful only when hardware decryption is being used */
+	int host_strip_iv_icv;
+
 	int host_open_frag;
 	int host_build_iv;
 	int ieee802_1x;		/* is IEEE 802.1X used */
@@ -1076,6 +1080,8 @@ struct ieee80211_device {
 	int perfect_rssi;
 	int worst_rssi;
 
+	u16 prev_seq_ctl;	/* used to drop duplicate frames */
+
 	/* Callback functions */
 	void (*set_security) (struct net_device * dev,
 			      struct ieee80211_security * sec);
diff --git a/include/net/ieee80211softmac.h b/include/net/ieee80211softmac.h
index 425b3a57ac74..617b672b1132 100644
--- a/include/net/ieee80211softmac.h
+++ b/include/net/ieee80211softmac.h
@@ -63,13 +63,11 @@ struct ieee80211softmac_wpa {
 
 /*
  * Information about association
- *
- * Do we need a lock for this?
- * We only ever use this structure inlined
- * into our global struct. I've used its lock,
- * but maybe we need a local one here?
  */
 struct ieee80211softmac_assoc_info {
+
+	struct mutex mutex;
+
 	/*
 	 * This is the requested ESSID. It is written
 	 * only by the WX handlers.
@@ -99,12 +97,13 @@ struct ieee80211softmac_assoc_info {
 	 *
 	 * bssfixed is used for SIOCSIWAP.
 	 */
-	u8 static_essid:1,
-	   short_preamble_available:1,
-	   associating:1,
-	   assoc_wait:1,
-	   bssvalid:1,
-	   bssfixed:1;
+	u8 static_essid;
+	u8 short_preamble_available;
+	u8 associating;
+	u8 associated;
+	u8 assoc_wait;
+	u8 bssvalid;
+	u8 bssfixed;
 
 	/* Scan retries remaining */
 	int scan_retry;
@@ -229,12 +228,10 @@ struct ieee80211softmac_device {
 	/* private stuff follows */
 	/* this lock protects this structure */
 	spinlock_t lock;
-	
-	/* couple of flags */
-	u8 scanning:1, /* protects scanning from being done multiple times at once */
-	   associated:1,
-	   running:1;
-	
+
+	u8 running; /* SoftMAC started? */
+	u8 scanning;
+
 	struct ieee80211softmac_scaninfo *scaninfo;
 	struct ieee80211softmac_assoc_info associnfo;
 	struct ieee80211softmac_bss_info bssinfo;
@@ -250,7 +247,7 @@ struct ieee80211softmac_device {
 
 	/* we need to keep a list of network structs we copied */
 	struct list_head network_list;
-	
+
 	/* This must be the last item so that it points to the data
 	 * allocated beyond this structure by alloc_ieee80211 */
 	u8 priv[0];
@@ -295,7 +292,7 @@ static inline u8 ieee80211softmac_suggest_txrate(struct ieee80211softmac_device
 {
 	struct ieee80211softmac_txrates *txrates = &mac->txrates;
 
-	if (!mac->associated)
+	if (!mac->associnfo.associated)
 		return txrates->mgt_mcast_rate;
 
 	/* We are associated, sending unicast frame */
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index 34489c13c119..3ec7d07346d6 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -152,6 +152,7 @@ struct ifacaddr6
 
 struct ipv6_devstat {
 	struct proc_dir_entry	*proc_dir_entry;
+	DEFINE_SNMP_STAT(struct ipstats_mib, ipv6);
 	DEFINE_SNMP_STAT(struct icmpv6_mib, icmpv6);
 };
 
diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h
index b33b438bffcc..16aa96a6a53b 100644
--- a/include/net/inet6_connection_sock.h
+++ b/include/net/inet6_connection_sock.h
@@ -27,7 +27,7 @@ extern int inet6_csk_bind_conflict(const struct sock *sk,
 
 extern struct request_sock *inet6_csk_search_req(const struct sock *sk,
 						 struct request_sock ***prevp,
-						 const __u16 rport,
+						 const __be16 rport,
 						 const struct in6_addr *raddr,
 						 const struct in6_addr *laddr,
 						 const int iif);
@@ -38,5 +38,5 @@ extern void inet6_csk_reqsk_queue_hash_add(struct sock *sk,
 
 extern void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr);
 
-extern int inet6_csk_xmit(struct sk_buff *skb, int ipfragok);
+extern int inet6_csk_xmit(struct sk_buff *skb, struct sock *sk, int ipfragok);
 #endif /* _INET6_CONNECTION_SOCK_H */
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index bc6a71dce984..c28e424f53d9 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -26,11 +26,11 @@ struct inet_hashinfo;
 
 /* I have no idea if this is a good hash for v6 or not. -DaveM */
 static inline unsigned int inet6_ehashfn(const struct in6_addr *laddr, const u16 lport,
-				const struct in6_addr *faddr, const u16 fport)
+				const struct in6_addr *faddr, const __be16 fport)
 {
-	unsigned int hashent = (lport ^ fport);
+	unsigned int hashent = (lport ^ (__force u16)fport);
 
-	hashent ^= (laddr->s6_addr32[3] ^ faddr->s6_addr32[3]);
+	hashent ^= (__force u32)(laddr->s6_addr32[3] ^ faddr->s6_addr32[3]);
 	hashent ^= hashent >> 16;
 	hashent ^= hashent >> 8;
 	return hashent;
@@ -43,7 +43,7 @@ static inline int inet6_sk_ehashfn(const struct sock *sk)
 	const struct in6_addr *laddr = &np->rcv_saddr;
 	const struct in6_addr *faddr = &np->daddr;
 	const __u16 lport = inet->num;
-	const __u16 fport = inet->dport;
+	const __be16 fport = inet->dport;
 	return inet6_ehashfn(laddr, lport, faddr, fport);
 }
 
@@ -57,7 +57,7 @@ extern void __inet6_hash(struct inet_hashinfo *hashinfo, struct sock *sk);
  */
 extern struct sock *__inet6_lookup_established(struct inet_hashinfo *hashinfo,
 					   const struct in6_addr *saddr,
-					   const u16 sport,
+					   const __be16 sport,
 					   const struct in6_addr *daddr,
 					   const u16 hnum,
 					   const int dif);
@@ -69,7 +69,7 @@ extern struct sock *inet6_lookup_listener(struct inet_hashinfo *hashinfo,
 
 static inline struct sock *__inet6_lookup(struct inet_hashinfo *hashinfo,
 					  const struct in6_addr *saddr,
-					  const u16 sport,
+					  const __be16 sport,
 					  const struct in6_addr *daddr,
 					  const u16 hnum,
 					  const int dif)
@@ -83,8 +83,8 @@ static inline struct sock *__inet6_lookup(struct inet_hashinfo *hashinfo,
 }
 
 extern struct sock *inet6_lookup(struct inet_hashinfo *hashinfo,
-				 const struct in6_addr *saddr, const u16 sport,
-				 const struct in6_addr *daddr, const u16 dport,
+				 const struct in6_addr *saddr, const __be16 sport,
+				 const struct in6_addr *daddr, const __be16 dport,
 				 const int dif);
 #endif /* defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE) */
 #endif /* _INET6_HASHTABLES_H */
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 0bcf9f237e1f..cccea051e922 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -36,7 +36,8 @@ struct tcp_congestion_ops;
  * (i.e. things that depend on the address family)
  */
 struct inet_connection_sock_af_ops {
-	int	    (*queue_xmit)(struct sk_buff *skb, int ipfragok);
+	int	    (*queue_xmit)(struct sk_buff *skb, struct sock *sk,
+				  int ipfragok);
 	void	    (*send_check)(struct sock *sk, int len,
 				  struct sk_buff *skb);
 	int	    (*rebuild_header)(struct sock *sk);
@@ -45,7 +46,8 @@ struct inet_connection_sock_af_ops {
 				      struct request_sock *req,
 				      struct dst_entry *dst);
 	int	    (*remember_stamp)(struct sock *sk);
-	__u16	    net_header_len;
+	u16	    net_header_len;
+	u16	    sockaddr_len;
 	int	    (*setsockopt)(struct sock *sk, int level, int optname, 
 				  char __user *optval, int optlen);
 	int	    (*getsockopt)(struct sock *sk, int level, int optname, 
@@ -57,7 +59,6 @@ struct inet_connection_sock_af_ops {
 				int level, int optname,
 				char __user *optval, int __user *optlen);
 	void	    (*addr2sockaddr)(struct sock *sk, struct sockaddr *);
-	int sockaddr_len;
 };
 
 /** inet_connection_sock - INET connection oriented sock
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index d599c6bfbb86..10117c8503e8 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -48,12 +48,12 @@ static inline __u8 INET_ECN_encapsulate(__u8 outer, __u8 inner)
 
 #define	IP6_ECN_flow_xmit(sk, label) do {				\
 	if (INET_ECN_is_capable(inet_sk(sk)->tos))			\
-		(label) |= __constant_htons(INET_ECN_ECT_0 << 4);	\
+		(label) |= htonl(INET_ECN_ECT_0 << 20);			\
     } while (0)
 
 static inline int IP_ECN_set_ce(struct iphdr *iph)
 {
-	u32 check = iph->check;
+	u32 check = (__force u32)iph->check;
 	u32 ecn = (iph->tos + 1) & INET_ECN_MASK;
 
 	/*
@@ -71,9 +71,9 @@ static inline int IP_ECN_set_ce(struct iphdr *iph)
 	 * INET_ECN_ECT_1 => check += htons(0xFFFD)
 	 * INET_ECN_ECT_0 => check += htons(0xFFFE)
 	 */
-	check += htons(0xFFFB) + htons(ecn);
+	check += (__force u16)htons(0xFFFB) + (__force u16)htons(ecn);
 
-	iph->check = check + (check>=0xFFFF);
+	iph->check = (__force __sum16)(check + (check>=0xFFFF));
 	iph->tos |= INET_ECN_CE;
 	return 1;
 }
@@ -95,13 +95,13 @@ static inline int IP6_ECN_set_ce(struct ipv6hdr *iph)
 {
 	if (INET_ECN_is_not_ect(ipv6_get_dsfield(iph)))
 		return 0;
-	*(u32*)iph |= htonl(INET_ECN_CE << 20);
+	*(__be32*)iph |= htonl(INET_ECN_CE << 20);
 	return 1;
 }
 
 static inline void IP6_ECN_clear(struct ipv6hdr *iph)
 {
-	*(u32*)iph &= ~htonl(INET_ECN_MASK << 20);
+	*(__be32*)iph &= ~htonl(INET_ECN_MASK << 20);
 }
 
 static inline void ipv6_copy_dscp(struct ipv6hdr *outer, struct ipv6hdr *inner)
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 925573fd2aed..aa10a8178e70 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -17,14 +17,15 @@
 
 struct inet_peer
 {
+	/* group together avl_left,avl_right,v4daddr to speedup lookups */
 	struct inet_peer	*avl_left, *avl_right;
-	struct inet_peer	*unused_next, **unused_prevp;
-	unsigned long		dtime;		/* the time of last use of not
-						 * referenced entries */
-	atomic_t		refcnt;
 	__be32			v4daddr;	/* peer's address */
 	__u16			avl_height;
 	__u16			ip_id_count;	/* IP ID for the next packet */
+	struct inet_peer	*unused_next, **unused_prevp;
+	__u32			dtime;		/* the time of last use of not
+						 * referenced entries */
+	atomic_t		refcnt;
 	atomic_t		rid;		/* Frag reception counter */
 	__u32			tcp_ts;
 	unsigned long		tcp_ts_stamp;
@@ -35,21 +36,8 @@ void			inet_initpeers(void) __init;
 /* can be called with or without local BH being disabled */
 struct inet_peer	*inet_getpeer(__be32 daddr, int create);
 
-extern spinlock_t inet_peer_unused_lock;
-extern struct inet_peer **inet_peer_unused_tailp;
 /* can be called from BH context or outside */
-static inline void	inet_putpeer(struct inet_peer *p)
-{
-	spin_lock_bh(&inet_peer_unused_lock);
-	if (atomic_dec_and_test(&p->refcnt)) {
-		p->unused_prevp = inet_peer_unused_tailp;
-		p->unused_next = NULL;
-		*inet_peer_unused_tailp = p;
-		inet_peer_unused_tailp = &p->unused_next;
-		p->dtime = jiffies;
-	}
-	spin_unlock_bh(&inet_peer_unused_lock);
-}
+extern void inet_putpeer(struct inet_peer *p);
 
 extern spinlock_t inet_peer_idlock;
 /* can be called with or without local BH being disabled */
diff --git a/include/net/ip.h b/include/net/ip.h
index b6d95e553401..83cb9ac5554e 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -97,7 +97,7 @@ extern int		ip_mc_output(struct sk_buff *skb);
 extern int		ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
 extern int		ip_do_nat(struct sk_buff *skb);
 extern void		ip_send_check(struct iphdr *ip);
-extern int		ip_queue_xmit(struct sk_buff *skb, int ipfragok);
+extern int		ip_queue_xmit(struct sk_buff *skb, struct sock *sk, int ipfragok);
 extern void		ip_init(void);
 extern int		ip_append_data(struct sock *sk,
 				       int getfrag(void *from, char *to, int offset, int len,
@@ -123,7 +123,7 @@ extern int		ip4_datagram_connect(struct sock *sk,
  *      multicast packets.
  */
 
-static inline void ip_tr_mc_map(u32 addr, char *buf)
+static inline void ip_tr_mc_map(__be32 addr, char *buf)
 {
 	buf[0]=0xC0;
 	buf[1]=0x00;
@@ -135,7 +135,7 @@ static inline void ip_tr_mc_map(u32 addr, char *buf)
 
 struct ip_reply_arg {
 	struct kvec iov[1];   
-	u32 	    csum; 
+	__wsum 	    csum;
 	int	    csumoffset; /* u16 offset of csum in iov[0].iov_base */
 				/* -1 if not needed */ 
 }; 
@@ -192,9 +192,9 @@ extern void ipfrag_init(void);
 static inline
 int ip_decrease_ttl(struct iphdr *iph)
 {
-	u32 check = iph->check;
-	check += htons(0x0100);
-	iph->check = check + (check>=0xFFFF);
+	u32 check = (__force u32)iph->check;
+	check += (__force u32)htons(0x0100);
+	iph->check = (__force __sum16)(check + (check>=0xFFFF));
 	return --iph->ttl;
 }
 
@@ -238,9 +238,9 @@ static inline void ip_select_ident_more(struct iphdr *iph, struct dst_entry *dst
  *	Map a multicast IP onto multicast MAC for type ethernet.
  */
 
-static inline void ip_eth_mc_map(u32 addr, char *buf)
+static inline void ip_eth_mc_map(__be32 naddr, char *buf)
 {
-	addr=ntohl(addr);
+	__u32 addr=ntohl(naddr);
 	buf[0]=0x01;
 	buf[1]=0x00;
 	buf[2]=0x5e;
@@ -256,13 +256,14 @@ static inline void ip_eth_mc_map(u32 addr, char *buf)
  *	Leave P_Key as 0 to be filled in by driver.
  */
 
-static inline void ip_ib_mc_map(u32 addr, char *buf)
+static inline void ip_ib_mc_map(__be32 naddr, char *buf)
 {
+	__u32 addr;
 	buf[0]  = 0;		/* Reserved */
 	buf[1]  = 0xff;		/* Multicast QPN */
 	buf[2]  = 0xff;
 	buf[3]  = 0xff;
-	addr    = ntohl(addr);
+	addr    = ntohl(naddr);
 	buf[4]  = 0xff;
 	buf[5]  = 0x12;		/* link local scope */
 	buf[6]  = 0x40;		/* IPv4 signature */
diff --git a/include/net/ip6_checksum.h b/include/net/ip6_checksum.h
index 3dfc885bdf25..68e2b32cf1d6 100644
--- a/include/net/ip6_checksum.h
+++ b/include/net/ip6_checksum.h
@@ -34,60 +34,60 @@
 
 #ifndef _HAVE_ARCH_IPV6_CSUM
 
-static __inline__ unsigned short int csum_ipv6_magic(struct in6_addr *saddr,
-						     struct in6_addr *daddr,
-						     __u16 len,
-						     unsigned short proto,
-						     unsigned int csum) 
+static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
+					  const struct in6_addr *daddr,
+					  __u32 len, unsigned short proto,
+					  __wsum csum)
 {
 
 	int carry;
 	__u32 ulen;
 	__u32 uproto;
+	__u32 sum = (__force u32)csum;
 
-	csum += saddr->s6_addr32[0];
-	carry = (csum < saddr->s6_addr32[0]);
-	csum += carry;
+	sum += (__force u32)saddr->s6_addr32[0];
+	carry = (sum < (__force u32)saddr->s6_addr32[0]);
+	sum += carry;
 
-	csum += saddr->s6_addr32[1];
-	carry = (csum < saddr->s6_addr32[1]);
-	csum += carry;
+	sum += (__force u32)saddr->s6_addr32[1];
+	carry = (sum < (__force u32)saddr->s6_addr32[1]);
+	sum += carry;
 
-	csum += saddr->s6_addr32[2];
-	carry = (csum < saddr->s6_addr32[2]);
-	csum += carry;
+	sum += (__force u32)saddr->s6_addr32[2];
+	carry = (sum < (__force u32)saddr->s6_addr32[2]);
+	sum += carry;
 
-	csum += saddr->s6_addr32[3];
-	carry = (csum < saddr->s6_addr32[3]);
-	csum += carry;
+	sum += (__force u32)saddr->s6_addr32[3];
+	carry = (sum < (__force u32)saddr->s6_addr32[3]);
+	sum += carry;
 
-	csum += daddr->s6_addr32[0];
-	carry = (csum < daddr->s6_addr32[0]);
-	csum += carry;
+	sum += (__force u32)daddr->s6_addr32[0];
+	carry = (sum < (__force u32)daddr->s6_addr32[0]);
+	sum += carry;
 
-	csum += daddr->s6_addr32[1];
-	carry = (csum < daddr->s6_addr32[1]);
-	csum += carry;
+	sum += (__force u32)daddr->s6_addr32[1];
+	carry = (sum < (__force u32)daddr->s6_addr32[1]);
+	sum += carry;
 
-	csum += daddr->s6_addr32[2];
-	carry = (csum < daddr->s6_addr32[2]);
-	csum += carry;
+	sum += (__force u32)daddr->s6_addr32[2];
+	carry = (sum < (__force u32)daddr->s6_addr32[2]);
+	sum += carry;
 
-	csum += daddr->s6_addr32[3];
-	carry = (csum < daddr->s6_addr32[3]);
-	csum += carry;
+	sum += (__force u32)daddr->s6_addr32[3];
+	carry = (sum < (__force u32)daddr->s6_addr32[3]);
+	sum += carry;
 
-	ulen = htonl((__u32) len);
-	csum += ulen;
-	carry = (csum < ulen);
-	csum += carry;
+	ulen = (__force u32)htonl((__u32) len);
+	sum += ulen;
+	carry = (sum < ulen);
+	sum += carry;
 
-	uproto = htonl(proto);
-	csum += uproto;
-	carry = (csum < uproto);
-	csum += carry;
+	uproto = (__force u32)htonl(proto);
+	sum += uproto;
+	carry = (sum < uproto);
+	sum += carry;
 
-	return csum_fold(csum);
+	return csum_fold((__force __wsum)csum);
 }
 
 #endif
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index e4438de3bd6b..f9cde44f93b4 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -107,6 +107,11 @@ struct rt6_info
 	u8				rt6i_protocol;
 };
 
+static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst)
+{
+	return ((struct rt6_info *)dst)->rt6i_idev;
+}
+
 struct fib6_walker_t
 {
 	struct fib6_walker_t *prev, *next;
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 6ca6b71dfe0f..4e927ebd1cb3 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -20,7 +20,7 @@ struct route_info {
 				route_pref:2,
 				reserved_h:3;
 #endif
-	__u32			lifetime;
+	__be32			lifetime;
 	__u8			prefix[0];	/* 0,8 or 16 */
 };
 
@@ -36,13 +36,6 @@ struct route_info {
 #define RT6_LOOKUP_F_REACHABLE	0x2
 #define RT6_LOOKUP_F_HAS_SADDR	0x4
 
-struct pol_chain {
-	int			type;
-	int			priority;
-	struct fib6_node	*rules;
-	struct pol_chain	*next;
-};
-
 extern struct rt6_info	ip6_null_entry;
 
 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 82229146bac7..36c635ca1aa6 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -21,17 +21,14 @@
 #include <net/fib_rules.h>
 
 struct fib_config {
-	u8			fc_family;
 	u8			fc_dst_len;
-	u8			fc_src_len;
 	u8			fc_tos;
 	u8			fc_protocol;
 	u8			fc_scope;
 	u8			fc_type;
-	/* 1 byte unused */
+	/* 3 bytes unused */
 	u32			fc_table;
 	__be32			fc_dst;
-	__be32			fc_src;
 	__be32			fc_gw;
 	int			fc_oif;
 	u32			fc_flags;
@@ -118,7 +115,7 @@ struct fib_result {
 
 struct fib_result_nl {
 	__be32		fl_addr;   /* To be looked up*/
-	u32		fl_fwmark; 
+	u32		fl_mark;
 	unsigned char	fl_tos;
 	unsigned char   fl_scope;
 	unsigned char   tb_id_in;
diff --git a/include/net/ip_mp_alg.h b/include/net/ip_mp_alg.h
index beffdd66ad74..25b56571e54b 100644
--- a/include/net/ip_mp_alg.h
+++ b/include/net/ip_mp_alg.h
@@ -88,9 +88,7 @@ static inline int multipath_comparekeys(const struct flowi *flp1,
 	return flp1->fl4_dst == flp2->fl4_dst &&
 		flp1->fl4_src == flp2->fl4_src &&
 		flp1->oif == flp2->oif &&
-#ifdef CONFIG_IP_ROUTE_FWMARK
-		flp1->fl4_fwmark == flp2->fl4_fwmark &&
-#endif
+		flp1->mark == flp2->mark &&
 		!((flp1->fl4_tos ^ flp2->fl4_tos) &
 		  (IPTOS_RT_MASK | RTO_ONLINK));
 }
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 49c717e3b040..672564e5a81d 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -7,6 +7,7 @@
 #define _IP_VS_H
 
 #include <asm/types.h>		/* For __uXX types */
+#include <linux/types.h>	/* For __beXX types in userland */
 
 #define IP_VS_VERSION_CODE	0x010201
 #define NVERSION(version)			\
@@ -987,14 +988,20 @@ extern int ip_vs_make_skb_writable(struct sk_buff **pskb, int len);
 extern void ip_vs_nat_icmp(struct sk_buff *skb, struct ip_vs_protocol *pp,
 		struct ip_vs_conn *cp, int dir);
 
-extern u16 ip_vs_checksum_complete(struct sk_buff *skb, int offset);
+extern __sum16 ip_vs_checksum_complete(struct sk_buff *skb, int offset);
 
-static inline u16 ip_vs_check_diff(u32 old, u32 new, u16 oldsum)
+static inline __wsum ip_vs_check_diff4(__be32 old, __be32 new, __wsum oldsum)
 {
-	u32 diff[2] = { old, new };
+	__be32 diff[2] = { ~old, new };
 
-	return csum_fold(csum_partial((char *) diff, sizeof(diff),
-				      oldsum ^ 0xFFFF));
+	return csum_partial((char *) diff, sizeof(diff), oldsum);
+}
+
+static inline __wsum ip_vs_check_diff2(__be16 old, __be16 new, __wsum oldsum)
+{
+	__be16 diff[2] = { ~old, new };
+
+	return csum_partial((char *) diff, sizeof(diff), oldsum);
 }
 
 #endif /* __KERNEL__ */
diff --git a/include/net/ipconfig.h b/include/net/ipconfig.h
index 2a1fe996fbc6..3924d7d2cb11 100644
--- a/include/net/ipconfig.h
+++ b/include/net/ipconfig.h
@@ -11,12 +11,12 @@
 extern int ic_proto_enabled;	/* Protocols enabled (see IC_xxx) */
 extern int ic_set_manually;	/* IPconfig parameters set manually */
 
-extern u32 ic_myaddr;		/* My IP address */
-extern u32 ic_gateway;		/* Gateway IP address */
+extern __be32 ic_myaddr;		/* My IP address */
+extern __be32 ic_gateway;		/* Gateway IP address */
 
-extern u32 ic_servaddr;		/* Boot server IP address */
+extern __be32 ic_servaddr;		/* Boot server IP address */
 
-extern u32 root_server_addr;	/* Address of NFS server */
+extern __be32 root_server_addr;	/* Address of NFS server */
 extern u8 root_server_path[];	/* Path to mount as root */
 
 
diff --git a/include/net/ipip.h b/include/net/ipip.h
index f490c3cbe377..7cdc914322f0 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -35,7 +35,7 @@ struct ip_tunnel
 	ip_send_check(iph);						\
 									\
 	err = NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, skb, NULL, rt->u.dst.dev, dst_output);\
-	if (err == NET_XMIT_SUCCESS || err == NET_XMIT_CN) {		\
+	if (net_xmit_eval(err) == 0) {					\
 		stats->tx_bytes += pkt_len;				\
 		stats->tx_packets++;					\
 	} else {							\
@@ -44,8 +44,4 @@ struct ip_tunnel
 	}								\
 } while (0)
 
-
-extern int	sit_init(void);
-extern void	sit_cleanup(void);
-
 #endif
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 8223c4410b4b..00328b71a08c 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -95,10 +95,10 @@
  */
 
 struct frag_hdr {
-	unsigned char	nexthdr;
-	unsigned char	reserved;	
-	unsigned short	frag_off;
-	__u32		identification;
+	__u8	nexthdr;
+	__u8	reserved;
+	__be16	frag_off;
+	__be32	identification;
 };
 
 #define	IP6_MF	0x0001
@@ -113,9 +113,24 @@ extern int sysctl_mld_max_msf;
 
 /* MIBs */
 DECLARE_SNMP_STAT(struct ipstats_mib, ipv6_statistics);
-#define IP6_INC_STATS(field)		SNMP_INC_STATS(ipv6_statistics, field)
-#define IP6_INC_STATS_BH(field)		SNMP_INC_STATS_BH(ipv6_statistics, field)
-#define IP6_INC_STATS_USER(field) 	SNMP_INC_STATS_USER(ipv6_statistics, field)
+#define IP6_INC_STATS(idev,field)		({			\
+	struct inet6_dev *_idev = (idev);				\
+	if (likely(_idev != NULL))					\
+		SNMP_INC_STATS(_idev->stats.ipv6, field);		\
+	SNMP_INC_STATS(ipv6_statistics, field);				\
+})
+#define IP6_INC_STATS_BH(idev,field)		({			\
+	struct inet6_dev *_idev = (idev);				\
+	if (likely(_idev != NULL))					\
+		SNMP_INC_STATS_BH(_idev->stats.ipv6, field);		\
+	SNMP_INC_STATS_BH(ipv6_statistics, field);			\
+})
+#define IP6_INC_STATS_USER(idev,field)		({			\
+	struct inet6_dev *_idev = (idev);				\
+	if (likely(_idev != NULL))					\
+		SNMP_INC_STATS_USER(_idev->stats.ipv6, field);		\
+	SNMP_INC_STATS_USER(ipv6_statistics, field);			\
+})
 DECLARE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
 #define ICMP6_INC_STATS(idev, field)		({			\
 	struct inet6_dev *_idev = (idev);				\
@@ -143,9 +158,13 @@ DECLARE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
 	SNMP_INC_STATS_OFFSET_BH(icmpv6_statistics, field, _offset);    	\
 })
 DECLARE_SNMP_STAT(struct udp_mib, udp_stats_in6);
-#define UDP6_INC_STATS(field)		SNMP_INC_STATS(udp_stats_in6, field)
-#define UDP6_INC_STATS_BH(field)	SNMP_INC_STATS_BH(udp_stats_in6, field)
-#define UDP6_INC_STATS_USER(field) 	SNMP_INC_STATS_USER(udp_stats_in6, field)
+DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
+#define UDP6_INC_STATS_BH(field, is_udplite) 			      do  {  \
+	if (is_udplite) SNMP_INC_STATS_BH(udplite_stats_in6, field);         \
+	else		SNMP_INC_STATS_BH(udp_stats_in6, field);    } while(0)
+#define UDP6_INC_STATS_USER(field, is_udplite)			       do {    \
+	if (is_udplite) SNMP_INC_STATS_USER(udplite_stats_in6, field);         \
+	else		SNMP_INC_STATS_USER(udp_stats_in6, field);    } while(0)
 
 int snmp6_register_dev(struct inet6_dev *idev);
 int snmp6_unregister_dev(struct inet6_dev *idev);
@@ -191,7 +210,7 @@ struct ipv6_txoptions
 struct ip6_flowlabel
 {
 	struct ip6_flowlabel	*next;
-	u32			label;
+	__be32			label;
 	struct in6_addr		dst;
 	struct ipv6_txoptions	*opt;
 	atomic_t		users;
@@ -211,7 +230,7 @@ struct ipv6_fl_socklist
 	struct ip6_flowlabel	*fl;
 };
 
-extern struct ip6_flowlabel	*fl6_sock_lookup(struct sock *sk, u32 label);
+extern struct ip6_flowlabel	*fl6_sock_lookup(struct sock *sk, __be32 label);
 extern struct ipv6_txoptions	*fl6_merge_options(struct ipv6_txoptions * opt_space,
 						   struct ip6_flowlabel * fl,
 						   struct ipv6_txoptions * fopt);
@@ -375,22 +394,15 @@ static inline int ipv6_addr_any(const struct in6_addr *a)
  */
 static inline int __ipv6_addr_diff(const void *token1, const void *token2, int addrlen)
 {
-	const __u32 *a1 = token1, *a2 = token2;
+	const __be32 *a1 = token1, *a2 = token2;
 	int i;
 
 	addrlen >>= 2;
 
 	for (i = 0; i < addrlen; i++) {
-		__u32 xb = a1[i] ^ a2[i];
-		if (xb) {
-			int j = 31;
-
-			xb = ntohl(xb);
-			while ((xb & (1 << j)) == 0)
-				j--;
-
-			return (i * 32 + 31 - j);
-		}
+		__be32 xb = a1[i] ^ a2[i];
+		if (xb)
+			return i * 32 + 32 - fls(ntohl(xb));
 	}
 
 	/*
@@ -544,7 +556,7 @@ extern int			ip6_datagram_connect(struct sock *sk,
 						     struct sockaddr *addr, int addr_len);
 
 extern int 			ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len);
-extern void			ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, u16 port,
+extern void			ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port,
 						u32 info, u8 *payload);
 extern void			ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info);
 
@@ -589,6 +601,8 @@ extern int  tcp6_proc_init(void);
 extern void tcp6_proc_exit(void);
 extern int  udp6_proc_init(void);
 extern void udp6_proc_exit(void);
+extern int  udplite6_proc_init(void);
+extern void udplite6_proc_exit(void);
 extern int  ipv6_misc_proc_init(void);
 extern void ipv6_misc_proc_exit(void);
 
diff --git a/include/net/ipx.h b/include/net/ipx.h
index 5c0cf33826c5..c6b2ee610866 100644
--- a/include/net/ipx.h
+++ b/include/net/ipx.h
@@ -15,9 +15,9 @@
 #include <linux/list.h>
 
 struct ipx_address {
-	__u32   net;
+	__be32  net;
 	__u8    node[IPX_NODE_LEN]; 
-	__u16   sock;
+	__be16  sock;
 };
 
 #define ipx_broadcast_node	"\377\377\377\377\377\377"
@@ -26,9 +26,9 @@ struct ipx_address {
 #define IPX_MAX_PPROP_HOPS 8
 
 struct ipxhdr {
-	__u16			ipx_checksum __attribute__ ((packed));
-#define IPX_NO_CHECKSUM	0xFFFF
-	__u16			ipx_pktsize __attribute__ ((packed));
+	__be16			ipx_checksum __attribute__ ((packed));
+#define IPX_NO_CHECKSUM	__constant_htons(0xFFFF)
+	__be16			ipx_pktsize __attribute__ ((packed));
 	__u8			ipx_tctrl;
 	__u8			ipx_type;
 #define IPX_TYPE_UNKNOWN	0x00
@@ -48,14 +48,14 @@ static __inline__ struct ipxhdr *ipx_hdr(struct sk_buff *skb)
 
 struct ipx_interface {
 	/* IPX address */
-	__u32			if_netnum;
+	__be32			if_netnum;
 	unsigned char		if_node[IPX_NODE_LEN];
 	atomic_t		refcnt;
 
 	/* physical device info */
 	struct net_device	*if_dev;
 	struct datalink_proto	*if_dlink;
-	unsigned short		if_dlink_type;
+	__be16			if_dlink_type;
 
 	/* socket support */
 	unsigned short		if_sknum;
@@ -71,7 +71,7 @@ struct ipx_interface {
 };
 
 struct ipx_route {
-	__u32			ir_net;
+	__be32			ir_net;
 	struct ipx_interface	*ir_intrfc;
 	unsigned char		ir_routed;
 	unsigned char		ir_router_node[IPX_NODE_LEN];
@@ -82,10 +82,10 @@ struct ipx_route {
 #ifdef __KERNEL__
 struct ipx_cb {
 	u8	ipx_tctrl;
-	u32	ipx_dest_net;
-	u32	ipx_source_net;
+	__be32	ipx_dest_net;
+	__be32	ipx_source_net;
 	struct {
-		u32 netnum;
+		__be32 netnum;
 		int index;
 	} last_hop;
 };
@@ -97,7 +97,7 @@ struct ipx_sock {
 	struct sock		sk;
 	struct ipx_address	dest_addr;
 	struct ipx_interface	*intrfc;
-	unsigned short		port;
+	__be16			port;
 #ifdef CONFIG_IPX_INTERN
 	unsigned char		node[IPX_NODE_LEN];
 #endif
@@ -132,7 +132,7 @@ extern struct ipx_interface *ipx_primary_net;
 extern int ipx_proc_init(void);
 extern void ipx_proc_exit(void);
 
-extern const char *ipx_frame_name(unsigned short);
+extern const char *ipx_frame_name(__be16);
 extern const char *ipx_device_name(struct ipx_interface *intrfc);
 
 static __inline__ void ipxitf_hold(struct ipx_interface *intrfc)
diff --git a/include/net/irda/irlap_frame.h b/include/net/irda/irlap_frame.h
index 9dd54a5002b2..641f88e848bd 100644
--- a/include/net/irda/irlap_frame.h
+++ b/include/net/irda/irlap_frame.h
@@ -91,8 +91,8 @@ struct xid_frame {
 	__u8  caddr; /* Connection address */
 	__u8  control;
 	__u8  ident; /* Should always be XID_FORMAT */ 
-	__u32 saddr; /* Source device address */
-	__u32 daddr; /* Destination device address */
+	__le32 saddr; /* Source device address */
+	__le32 daddr; /* Destination device address */
 	__u8  flags; /* Discovery flags */
 	__u8  slotnr;
 	__u8  version;
@@ -101,15 +101,15 @@ struct xid_frame {
 struct test_frame {
 	__u8 caddr;          /* Connection address */
 	__u8 control;
-	__u32 saddr;         /* Source device address */
-	__u32 daddr;         /* Destination device address */
+	__le32 saddr;         /* Source device address */
+	__le32 daddr;         /* Destination device address */
 } IRDA_PACK;
 
 struct ua_frame {
 	__u8 caddr;
 	__u8 control;
-	__u32 saddr; /* Source device address */
-	__u32 daddr; /* Dest device address */
+	__le32 saddr; /* Source device address */
+	__le32 daddr; /* Dest device address */
 } IRDA_PACK;
 
 struct dm_frame {
@@ -135,8 +135,8 @@ struct i_frame {
 struct snrm_frame {
 	__u8  caddr;
 	__u8  control;
-	__u32 saddr;
-	__u32 daddr;
+	__le32 saddr;
+	__le32 daddr;
 	__u8  ncaddr;
 } IRDA_PACK;
 
diff --git a/include/net/llc_pdu.h b/include/net/llc_pdu.h
index 8f6306581fa7..aa33a477c3fb 100644
--- a/include/net/llc_pdu.h
+++ b/include/net/llc_pdu.h
@@ -252,9 +252,9 @@ static inline void llc_pdu_header_init(struct sk_buff *skb, u8 type,
  */
 static inline void llc_pdu_decode_sa(struct sk_buff *skb, u8 *sa)
 {
-	if (skb->protocol == ntohs(ETH_P_802_2))
+	if (skb->protocol == htons(ETH_P_802_2))
 		memcpy(sa, eth_hdr(skb)->h_source, ETH_ALEN);
-	else if (skb->protocol == ntohs(ETH_P_TR_802_2)) {
+	else if (skb->protocol == htons(ETH_P_TR_802_2)) {
 		memcpy(sa, tr_hdr(skb)->saddr, ETH_ALEN);
 		*sa &= 0x7F;
 	}
@@ -269,9 +269,9 @@ static inline void llc_pdu_decode_sa(struct sk_buff *skb, u8 *sa)
  */
 static inline void llc_pdu_decode_da(struct sk_buff *skb, u8 *da)
 {
-	if (skb->protocol == ntohs(ETH_P_802_2))
+	if (skb->protocol == htons(ETH_P_802_2))
 		memcpy(da, eth_hdr(skb)->h_dest, ETH_ALEN);
-	else if (skb->protocol == ntohs(ETH_P_TR_802_2))
+	else if (skb->protocol == htons(ETH_P_TR_802_2))
 		memcpy(da, tr_hdr(skb)->daddr, ETH_ALEN);
 }
 
@@ -345,7 +345,7 @@ static inline void llc_pdu_init_as_test_rsp(struct sk_buff *skb,
 	pdu->ctrl_1  = LLC_PDU_TYPE_U;
 	pdu->ctrl_1 |= LLC_1_PDU_CMD_TEST;
 	pdu->ctrl_1 |= LLC_U_PF_BIT_MASK;
-	if (ev_skb->protocol == ntohs(ETH_P_802_2)) {
+	if (ev_skb->protocol == htons(ETH_P_802_2)) {
 		struct llc_pdu_un *ev_pdu = llc_pdu_un_hdr(ev_skb);
 		int dsize;
 
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index d3915dabe6de..475b10c575b3 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -66,8 +66,8 @@ struct rs_msg {
 
 struct ra_msg {
         struct icmp6hdr		icmph;
-	__u32			reachable_time;
-	__u32			retrans_timer;
+	__be32			reachable_time;
+	__be32			retrans_timer;
 };
 
 struct nd_opt_hdr {
diff --git a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
index 91684436af8e..1401ccc051c4 100644
--- a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
+++ b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
@@ -9,32 +9,35 @@
 #ifndef _NF_CONNTRACK_IPV4_H
 #define _NF_CONNTRACK_IPV4_H
 
-#ifdef CONFIG_IP_NF_NAT_NEEDED
-#include <linux/netfilter_ipv4/ip_nat.h>
+#ifdef CONFIG_NF_NAT_NEEDED
+#include <net/netfilter/nf_nat.h>
+#include <linux/netfilter/nf_conntrack_pptp.h>
 
 /* per conntrack: nat application helper private data */
-union ip_conntrack_nat_help {
+union nf_conntrack_nat_help {
         /* insert nat helper private data here */
+	struct nf_nat_pptp nat_pptp_info;
 };
 
-struct nf_conntrack_ipv4_nat {
-	struct ip_nat_info info;
-	union ip_conntrack_nat_help help;
+struct nf_conn_nat {
+	struct nf_nat_info info;
+	union nf_conntrack_nat_help help;
 #if defined(CONFIG_IP_NF_TARGET_MASQUERADE) || \
 	defined(CONFIG_IP_NF_TARGET_MASQUERADE_MODULE)
 	int masq_index;
 #endif
 };
-#endif /* CONFIG_IP_NF_NAT_NEEDED */
-
-struct nf_conntrack_ipv4 {
-#ifdef CONFIG_IP_NF_NAT_NEEDED
-	struct nf_conntrack_ipv4_nat *nat;
-#endif
-};
+#endif /* CONFIG_NF_NAT_NEEDED */
 
 /* Returns new sk_buff, or NULL */
 struct sk_buff *
 nf_ct_ipv4_ct_gather_frags(struct sk_buff *skb);
 
+extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp4;
+extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4;
+extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp;
+
+extern int nf_conntrack_ipv4_compat_init(void);
+extern void nf_conntrack_ipv4_compat_fini(void);
+
 #endif /*_NF_CONNTRACK_IPV4_H*/
diff --git a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
new file mode 100644
index 000000000000..b4b6049e01fa
--- /dev/null
+++ b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
@@ -0,0 +1,25 @@
+#ifndef _NF_CONNTRACK_IPV6_H
+#define _NF_CONNTRACK_IPV6_H
+
+extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6;
+
+extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6;
+extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6;
+extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6;
+
+extern int nf_ct_ipv6_skip_exthdr(struct sk_buff *skb, int start,
+				  u8 *nexthdrp, int len);
+
+extern int nf_ct_frag6_init(void);
+extern void nf_ct_frag6_cleanup(void);
+extern struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb);
+extern void nf_ct_frag6_output(unsigned int hooknum, struct sk_buff *skb,
+			       struct net_device *in,
+			       struct net_device *out,
+			       int (*okfn)(struct sk_buff *));
+
+extern unsigned int nf_ct_frag6_timeout;
+extern unsigned int nf_ct_frag6_low_thresh;
+extern unsigned int nf_ct_frag6_high_thresh;
+
+#endif /* _NF_CONNTRACK_IPV6_H*/
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 1fbd8193d5f1..032b36a0e378 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -21,6 +21,7 @@
 
 #include <linux/netfilter/nf_conntrack_tcp.h>
 #include <linux/netfilter/nf_conntrack_sctp.h>
+#include <linux/netfilter/nf_conntrack_proto_gre.h>
 #include <net/netfilter/ipv4/nf_conntrack_icmp.h>
 #include <net/netfilter/ipv6/nf_conntrack_icmpv6.h>
 
@@ -33,6 +34,7 @@ union nf_conntrack_proto {
 	struct ip_ct_tcp tcp;
 	struct ip_ct_icmp icmp;
 	struct nf_ct_icmpv6 icmpv6;
+	struct nf_ct_gre gre;
 };
 
 union nf_conntrack_expect_proto {
@@ -41,11 +43,15 @@ union nf_conntrack_expect_proto {
 
 /* Add protocol helper include file here */
 #include <linux/netfilter/nf_conntrack_ftp.h>
+#include <linux/netfilter/nf_conntrack_pptp.h>
+#include <linux/netfilter/nf_conntrack_h323.h>
 
 /* per conntrack: application helper private data */
 union nf_conntrack_help {
 	/* insert conntrack helper private data (master) here */
-	struct ip_ct_ftp_master ct_ftp_info;
+	struct nf_ct_ftp_master ct_ftp_info;
+	struct nf_ct_pptp_master ct_pptp_info;
+	struct nf_ct_h323_master ct_h323_info;
 };
 
 #include <linux/types.h>
@@ -79,6 +85,8 @@ struct nf_conn_help {
 
 
 #include <net/netfilter/ipv4/nf_conntrack_ipv4.h>
+#include <net/netfilter/ipv6/nf_conntrack_ipv6.h>
+
 struct nf_conn
 {
 	/* Usage count in here is 1 for hash table/destruct timer, 1 per skb,
@@ -124,44 +132,6 @@ struct nf_conn
 	char data[0];
 };
 
-struct nf_conntrack_expect
-{
-	/* Internal linked list (global expectation list) */
-	struct list_head list;
-
-	/* We expect this tuple, with the following mask */
-	struct nf_conntrack_tuple tuple, mask;
- 
-	/* Function to call after setup and insertion */
-	void (*expectfn)(struct nf_conn *new,
-			 struct nf_conntrack_expect *this);
-
-	/* The conntrack of the master connection */
-	struct nf_conn *master;
-
-	/* Timer function; deletes the expectation. */
-	struct timer_list timeout;
-
-	/* Usage count. */
-	atomic_t use;
-
-	/* Unique ID */
-	unsigned int id;
-
-	/* Flags */
-	unsigned int flags;
-
-#ifdef CONFIG_NF_NAT_NEEDED
-	/* This is the original per-proto part, used to map the
-	 * expected connection the way the recipient expects. */
-	union nf_conntrack_manip_proto saved_proto;
-	/* Direction relative to the master connection. */
-	enum ip_conntrack_dir dir;
-#endif
-};
-
-#define NF_CT_EXPECT_PERMANENT 0x1
-
 static inline struct nf_conn *
 nf_ct_tuplehash_to_ctrack(const struct nf_conntrack_tuple_hash *hash)
 {
@@ -208,16 +178,6 @@ __nf_conntrack_find(const struct nf_conntrack_tuple *tuple,
 
 extern void nf_conntrack_hash_insert(struct nf_conn *ct);
 
-extern struct nf_conntrack_expect *
-__nf_conntrack_expect_find(const struct nf_conntrack_tuple *tuple);
-
-extern struct nf_conntrack_expect *
-nf_conntrack_expect_find(const struct nf_conntrack_tuple *tuple);
-
-extern void nf_ct_unlink_expect(struct nf_conntrack_expect *exp);
-
-extern void nf_ct_remove_expectations(struct nf_conn *ct);
-
 extern void nf_conntrack_flush(void);
 
 extern struct nf_conntrack_helper *
@@ -289,89 +249,12 @@ static inline int nf_ct_is_dying(struct nf_conn *ct)
 
 extern unsigned int nf_conntrack_htable_size;
 extern int nf_conntrack_checksum;
+extern atomic_t nf_conntrack_count;
+extern int nf_conntrack_max;
 
+DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat);
 #define NF_CT_STAT_INC(count) (__get_cpu_var(nf_conntrack_stat).count++)
 
-#ifdef CONFIG_NF_CONNTRACK_EVENTS
-#include <linux/notifier.h>
-#include <linux/interrupt.h>
-
-struct nf_conntrack_ecache {
-	struct nf_conn *ct;
-	unsigned int events;
-};
-DECLARE_PER_CPU(struct nf_conntrack_ecache, nf_conntrack_ecache);
-
-#define CONNTRACK_ECACHE(x)	(__get_cpu_var(nf_conntrack_ecache).x)
-
-extern struct atomic_notifier_head nf_conntrack_chain;
-extern struct atomic_notifier_head nf_conntrack_expect_chain;
-
-static inline int nf_conntrack_register_notifier(struct notifier_block *nb)
-{
-	return atomic_notifier_chain_register(&nf_conntrack_chain, nb);
-}
-
-static inline int nf_conntrack_unregister_notifier(struct notifier_block *nb)
-{
-	return atomic_notifier_chain_unregister(&nf_conntrack_chain, nb);
-}
-
-static inline int
-nf_conntrack_expect_register_notifier(struct notifier_block *nb)
-{
-	return atomic_notifier_chain_register(&nf_conntrack_expect_chain, nb);
-}
-
-static inline int
-nf_conntrack_expect_unregister_notifier(struct notifier_block *nb)
-{
-	return atomic_notifier_chain_unregister(&nf_conntrack_expect_chain,
-			nb);
-}
-
-extern void nf_ct_deliver_cached_events(const struct nf_conn *ct);
-extern void __nf_ct_event_cache_init(struct nf_conn *ct);
-
-static inline void
-nf_conntrack_event_cache(enum ip_conntrack_events event,
-			 const struct sk_buff *skb)
-{
-	struct nf_conn *ct = (struct nf_conn *)skb->nfct;
-	struct nf_conntrack_ecache *ecache;
-
-	local_bh_disable();
-	ecache = &__get_cpu_var(nf_conntrack_ecache);
-	if (ct != ecache->ct)
-		__nf_ct_event_cache_init(ct);
-	ecache->events |= event;
-	local_bh_enable();
-}
-
-static inline void nf_conntrack_event(enum ip_conntrack_events event,
-				      struct nf_conn *ct)
-{
-	if (nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct))
-		atomic_notifier_call_chain(&nf_conntrack_chain, event, ct);
-}
-
-static inline void
-nf_conntrack_expect_event(enum ip_conntrack_expect_events event,
-			  struct nf_conntrack_expect *exp)
-{
-	atomic_notifier_call_chain(&nf_conntrack_expect_chain, event, exp);
-}
-#else /* CONFIG_NF_CONNTRACK_EVENTS */
-static inline void nf_conntrack_event_cache(enum ip_conntrack_events event,
-					    const struct sk_buff *skb) {}
-static inline void nf_conntrack_event(enum ip_conntrack_events event,
-				      struct nf_conn *ct) {}
-static inline void nf_ct_deliver_cached_events(const struct nf_conn *ct) {}
-static inline void
-nf_conntrack_expect_event(enum ip_conntrack_expect_events event,
-			  struct nf_conntrack_expect *exp) {}
-#endif /* CONFIG_NF_CONNTRACK_EVENTS */
-
 /* no helper, no nat */
 #define	NF_CT_F_BASIC	0
 /* for helper */
@@ -387,17 +270,45 @@ nf_conntrack_unregister_cache(u_int32_t features);
 
 /* valid combinations:
  * basic: nf_conn, nf_conn .. nf_conn_help
- * nat: nf_conn .. nf_conn_nat, nf_conn .. nf_conn_nat, nf_conn help
+ * nat: nf_conn .. nf_conn_nat, nf_conn .. nf_conn_nat .. nf_conn help
  */
+#ifdef CONFIG_NF_NAT_NEEDED
+static inline struct nf_conn_nat *nfct_nat(const struct nf_conn *ct)
+{
+	unsigned int offset = sizeof(struct nf_conn);
+
+	if (!(ct->features & NF_CT_F_NAT))
+		return NULL;
+
+	offset = ALIGN(offset, __alignof__(struct nf_conn_nat));
+	return (struct nf_conn_nat *) ((void *)ct + offset);
+}
+
 static inline struct nf_conn_help *nfct_help(const struct nf_conn *ct)
 {
 	unsigned int offset = sizeof(struct nf_conn);
 
 	if (!(ct->features & NF_CT_F_HELP))
 		return NULL;
+	if (ct->features & NF_CT_F_NAT) {
+		offset = ALIGN(offset, __alignof__(struct nf_conn_nat));
+		offset += sizeof(struct nf_conn_nat);
+	}
 
+	offset = ALIGN(offset, __alignof__(struct nf_conn_help));
 	return (struct nf_conn_help *) ((void *)ct + offset);
 }
+#else /* No NAT */
+static inline struct nf_conn_help *nfct_help(const struct nf_conn *ct)
+{
+	unsigned int offset = sizeof(struct nf_conn);
+
+	if (!(ct->features & NF_CT_F_HELP))
+		return NULL;
 
+	offset = ALIGN(offset, __alignof__(struct nf_conn_help));
+	return (struct nf_conn_help *) ((void *)ct + offset);
+}
+#endif /* CONFIG_NF_NAT_NEEDED */
 #endif /* __KERNEL__ */
 #endif /* _NF_CONNTRACK_H */
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index da254525a4ce..7fdc72c01356 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -13,6 +13,9 @@
 #define _NF_CONNTRACK_CORE_H
 
 #include <linux/netfilter.h>
+#include <net/netfilter/nf_conntrack_l3proto.h>
+#include <net/netfilter/nf_conntrack_l4proto.h>
+#include <net/netfilter/nf_conntrack_ecache.h>
 
 /* This header is used to share core functionality between the
    standalone connection tracking module, and the compatibility layer's use
@@ -29,7 +32,7 @@ extern struct nf_conntrack_l3proto *nf_ct_find_l3proto(u_int16_t pf);
 /* Like above, but you already have conntrack read lock. */
 extern struct nf_conntrack_l3proto *__nf_ct_find_l3proto(u_int16_t l3proto);
 
-struct nf_conntrack_protocol;
+struct nf_conntrack_l4proto;
 
 extern int
 nf_ct_get_tuple(const struct sk_buff *skb,
@@ -39,13 +42,13 @@ nf_ct_get_tuple(const struct sk_buff *skb,
 		u_int8_t protonum,
 		struct nf_conntrack_tuple *tuple,
 		const struct nf_conntrack_l3proto *l3proto,
-		const struct nf_conntrack_protocol *protocol);
+		const struct nf_conntrack_l4proto *l4proto);
 
 extern int
 nf_ct_invert_tuple(struct nf_conntrack_tuple *inverse,
 		   const struct nf_conntrack_tuple *orig,
 		   const struct nf_conntrack_l3proto *l3proto,
-		   const struct nf_conntrack_protocol *protocol);
+		   const struct nf_conntrack_l4proto *l4proto);
 
 /* Find a connection corresponding to a tuple. */
 extern struct nf_conntrack_tuple_hash *
@@ -70,7 +73,14 @@ static inline int nf_conntrack_confirm(struct sk_buff **pskb)
 
 extern void __nf_conntrack_attach(struct sk_buff *nskb, struct sk_buff *skb);
 
+int
+print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple,
+	    struct nf_conntrack_l3proto *l3proto,
+	    struct nf_conntrack_l4proto *proto);
+
 extern struct list_head *nf_conntrack_hash;
 extern struct list_head nf_conntrack_expect_list;
 extern rwlock_t nf_conntrack_lock ;
+extern struct list_head unconfirmed;
+
 #endif /* _NF_CONNTRACK_CORE_H */
diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h
new file mode 100644
index 000000000000..b62a8a9ec9d8
--- /dev/null
+++ b/include/net/netfilter/nf_conntrack_ecache.h
@@ -0,0 +1,95 @@
+/*
+ * connection tracking event cache.
+ */
+
+#ifndef _NF_CONNTRACK_ECACHE_H
+#define _NF_CONNTRACK_ECACHE_H
+#include <net/netfilter/nf_conntrack.h>
+
+#include <linux/notifier.h>
+#include <linux/interrupt.h>
+#include <net/netfilter/nf_conntrack_expect.h>
+
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+struct nf_conntrack_ecache {
+	struct nf_conn *ct;
+	unsigned int events;
+};
+DECLARE_PER_CPU(struct nf_conntrack_ecache, nf_conntrack_ecache);
+
+#define CONNTRACK_ECACHE(x)	(__get_cpu_var(nf_conntrack_ecache).x)
+
+extern struct atomic_notifier_head nf_conntrack_chain;
+extern struct atomic_notifier_head nf_conntrack_expect_chain;
+
+static inline int nf_conntrack_register_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_register(&nf_conntrack_chain, nb);
+}
+
+static inline int nf_conntrack_unregister_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_unregister(&nf_conntrack_chain, nb);
+}
+
+static inline int
+nf_conntrack_expect_register_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_register(&nf_conntrack_expect_chain, nb);
+}
+
+static inline int
+nf_conntrack_expect_unregister_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_unregister(&nf_conntrack_expect_chain,
+			nb);
+}
+
+extern void nf_ct_deliver_cached_events(const struct nf_conn *ct);
+extern void __nf_ct_event_cache_init(struct nf_conn *ct);
+extern void nf_ct_event_cache_flush(void);
+
+static inline void
+nf_conntrack_event_cache(enum ip_conntrack_events event,
+			 const struct sk_buff *skb)
+{
+	struct nf_conn *ct = (struct nf_conn *)skb->nfct;
+	struct nf_conntrack_ecache *ecache;
+
+	local_bh_disable();
+	ecache = &__get_cpu_var(nf_conntrack_ecache);
+	if (ct != ecache->ct)
+		__nf_ct_event_cache_init(ct);
+	ecache->events |= event;
+	local_bh_enable();
+}
+
+static inline void nf_conntrack_event(enum ip_conntrack_events event,
+				      struct nf_conn *ct)
+{
+	if (nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct))
+		atomic_notifier_call_chain(&nf_conntrack_chain, event, ct);
+}
+
+static inline void
+nf_conntrack_expect_event(enum ip_conntrack_expect_events event,
+			  struct nf_conntrack_expect *exp)
+{
+	atomic_notifier_call_chain(&nf_conntrack_expect_chain, event, exp);
+}
+
+#else /* CONFIG_NF_CONNTRACK_EVENTS */
+
+static inline void nf_conntrack_event_cache(enum ip_conntrack_events event,
+					    const struct sk_buff *skb) {}
+static inline void nf_conntrack_event(enum ip_conntrack_events event,
+				      struct nf_conn *ct) {}
+static inline void nf_ct_deliver_cached_events(const struct nf_conn *ct) {}
+static inline void
+nf_conntrack_expect_event(enum ip_conntrack_expect_events event,
+			  struct nf_conntrack_expect *exp) {}
+static inline void nf_ct_event_cache_flush(void) {}
+#endif /* CONFIG_NF_CONNTRACK_EVENTS */
+
+#endif /*_NF_CONNTRACK_ECACHE_H*/
+
diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h
new file mode 100644
index 000000000000..cef3136e22a3
--- /dev/null
+++ b/include/net/netfilter/nf_conntrack_expect.h
@@ -0,0 +1,80 @@
+/*
+ * connection tracking expectations.
+ */
+
+#ifndef _NF_CONNTRACK_EXPECT_H
+#define _NF_CONNTRACK_EXPECT_H
+#include <net/netfilter/nf_conntrack.h>
+
+extern struct list_head nf_conntrack_expect_list;
+extern kmem_cache_t *nf_conntrack_expect_cachep;
+extern struct file_operations exp_file_ops;
+
+struct nf_conntrack_expect
+{
+	/* Internal linked list (global expectation list) */
+	struct list_head list;
+
+	/* We expect this tuple, with the following mask */
+	struct nf_conntrack_tuple tuple, mask;
+
+	/* Function to call after setup and insertion */
+	void (*expectfn)(struct nf_conn *new,
+			 struct nf_conntrack_expect *this);
+
+	/* Helper to assign to new connection */
+	struct nf_conntrack_helper *helper;
+
+	/* The conntrack of the master connection */
+	struct nf_conn *master;
+
+	/* Timer function; deletes the expectation. */
+	struct timer_list timeout;
+
+	/* Usage count. */
+	atomic_t use;
+
+	/* Unique ID */
+	unsigned int id;
+
+	/* Flags */
+	unsigned int flags;
+
+#ifdef CONFIG_NF_NAT_NEEDED
+	__be32 saved_ip;
+	/* This is the original per-proto part, used to map the
+	 * expected connection the way the recipient expects. */
+	union nf_conntrack_man_proto saved_proto;
+	/* Direction relative to the master connection. */
+	enum ip_conntrack_dir dir;
+#endif
+};
+
+#define NF_CT_EXPECT_PERMANENT 0x1
+
+
+struct nf_conntrack_expect *
+__nf_conntrack_expect_find(const struct nf_conntrack_tuple *tuple);
+
+struct nf_conntrack_expect *
+nf_conntrack_expect_find_get(const struct nf_conntrack_tuple *tuple);
+
+struct nf_conntrack_expect *
+find_expectation(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);
+void nf_conntrack_unexpect_related(struct nf_conntrack_expect *exp);
+
+/* Allocate space for an expectation: this is mandatory before calling
+   nf_conntrack_expect_related.  You will have to call put afterwards. */
+struct nf_conntrack_expect *nf_conntrack_expect_alloc(struct nf_conn *me);
+void nf_conntrack_expect_init(struct nf_conntrack_expect *, int,
+			      union nf_conntrack_address *,
+			      union nf_conntrack_address *,
+			      u_int8_t, __be16 *, __be16 *);
+void nf_conntrack_expect_put(struct nf_conntrack_expect *exp);
+int nf_conntrack_expect_related(struct nf_conntrack_expect *expect);
+
+#endif /*_NF_CONNTRACK_EXPECT_H*/
+
diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h
index 86ec8174ad02..8c72ac9f0ab8 100644
--- a/include/net/netfilter/nf_conntrack_helper.h
+++ b/include/net/netfilter/nf_conntrack_helper.h
@@ -34,20 +34,22 @@ struct nf_conntrack_helper
 		    struct nf_conn *ct,
 		    enum ip_conntrack_info conntrackinfo);
 
+	void (*destroy)(struct nf_conn *ct);
+
 	int (*to_nfattr)(struct sk_buff *skb, const struct nf_conn *ct);
 };
 
-extern int nf_conntrack_helper_register(struct nf_conntrack_helper *);
-extern void nf_conntrack_helper_unregister(struct nf_conntrack_helper *);
+extern struct nf_conntrack_helper *
+__nf_ct_helper_find(const struct nf_conntrack_tuple *tuple);
 
-/* Allocate space for an expectation: this is mandatory before calling
-   nf_conntrack_expect_related.  You will have to call put afterwards. */
-extern struct nf_conntrack_expect *
-nf_conntrack_expect_alloc(struct nf_conn *master);
-extern void nf_conntrack_expect_put(struct nf_conntrack_expect *exp);
+extern struct nf_conntrack_helper *
+nf_ct_helper_find_get( const struct nf_conntrack_tuple *tuple);
 
-/* Add an expected connection: can have more than one per connection */
-extern int nf_conntrack_expect_related(struct nf_conntrack_expect *exp);
-extern void nf_conntrack_unexpect_related(struct nf_conntrack_expect *exp);
+extern struct nf_conntrack_helper *
+__nf_conntrack_helper_find_byname(const char *name);
+
+extern void nf_ct_helper_put(struct nf_conntrack_helper *helper);
+extern int nf_conntrack_helper_register(struct nf_conntrack_helper *);
+extern void nf_conntrack_helper_unregister(struct nf_conntrack_helper *);
 
 #endif /*_NF_CONNTRACK_HELPER_H*/
diff --git a/include/net/netfilter/nf_conntrack_l3proto.h b/include/net/netfilter/nf_conntrack_l3proto.h
index dac43b15a5b0..664ddcffe00d 100644
--- a/include/net/netfilter/nf_conntrack_l3proto.h
+++ b/include/net/netfilter/nf_conntrack_l3proto.h
@@ -18,9 +18,6 @@ struct nfattr;
 
 struct nf_conntrack_l3proto
 {
-	/* Next pointer. */
-	struct list_head list;
-
 	/* L3 Protocol Family number. ex) PF_INET */
 	u_int16_t l3proto;
 
@@ -78,6 +75,12 @@ struct nf_conntrack_l3proto
 	int (*nfattr_to_tuple)(struct nfattr *tb[],
 			       struct nf_conntrack_tuple *t);
 
+#ifdef CONFIG_SYSCTL
+	struct ctl_table_header	*ctl_table_header;
+	struct ctl_table	*ctl_table_path;
+	struct ctl_table	*ctl_table;
+#endif /* CONFIG_SYSCTL */
+
 	/* Module (if any) which this is connected to. */
 	struct module *me;
 };
@@ -86,7 +89,7 @@ extern struct nf_conntrack_l3proto *nf_ct_l3protos[AF_MAX];
 
 /* Protocol registration. */
 extern int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto);
-extern void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto);
+extern int nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto);
 
 extern struct nf_conntrack_l3proto *
 nf_ct_l3proto_find_get(u_int16_t l3proto);
@@ -96,13 +99,13 @@ extern void nf_ct_l3proto_put(struct nf_conntrack_l3proto *p);
 /* Existing built-in protocols */
 extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4;
 extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6;
-extern struct nf_conntrack_l3proto nf_conntrack_generic_l3proto;
+extern struct nf_conntrack_l3proto nf_conntrack_l3proto_generic;
 
 static inline struct nf_conntrack_l3proto *
 __nf_ct_l3proto_find(u_int16_t l3proto)
 {
 	if (unlikely(l3proto >= AF_MAX))
-		return &nf_conntrack_generic_l3proto;
+		return &nf_conntrack_l3proto_generic;
 	return nf_ct_l3protos[l3proto];
 }
 
diff --git a/include/net/netfilter/nf_conntrack_protocol.h b/include/net/netfilter/nf_conntrack_l4proto.h
index 1f33737fcea5..fc8af08ff542 100644
--- a/include/net/netfilter/nf_conntrack_protocol.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -1,5 +1,5 @@
 /*
- * Header for use in defining a given protocol for connection tracking.
+ * Header for use in defining a given L4 protocol for connection tracking.
  *
  * 16 Dec 2003: Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp>
  *	- generalized L3 protocol dependent part.
@@ -7,23 +7,20 @@
  * Derived from include/linux/netfiter_ipv4/ip_conntrack_protcol.h
  */
 
-#ifndef _NF_CONNTRACK_PROTOCOL_H
-#define _NF_CONNTRACK_PROTOCOL_H
+#ifndef _NF_CONNTRACK_L4PROTO_H
+#define _NF_CONNTRACK_L4PROTO_H
 #include <net/netfilter/nf_conntrack.h>
 
 struct seq_file;
 struct nfattr;
 
-struct nf_conntrack_protocol
+struct nf_conntrack_l4proto
 {
-	/* Next pointer. */
-	struct list_head list;
-
 	/* L3 Protocol number. */
 	u_int16_t l3proto;
 
-	/* Protocol number. */
-	u_int8_t proto;
+	/* L4 Protocol number. */
+	u_int8_t l4proto;
 
 	/* Protocol name */
 	const char *name;
@@ -79,30 +76,40 @@ struct nf_conntrack_protocol
 	int (*nfattr_to_tuple)(struct nfattr *tb[],
 			       struct nf_conntrack_tuple *t);
 
+#ifdef CONFIG_SYSCTL
+	struct ctl_table_header	**ctl_table_header;
+	struct ctl_table	*ctl_table;
+	unsigned int		*ctl_table_users;
+#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
+	struct ctl_table_header	*ctl_compat_table_header;
+	struct ctl_table	*ctl_compat_table;
+#endif
+#endif
+
 	/* Module (if any) which this is connected to. */
 	struct module *me;
 };
 
 /* Existing built-in protocols */
-extern struct nf_conntrack_protocol nf_conntrack_protocol_tcp6;
-extern struct nf_conntrack_protocol nf_conntrack_protocol_udp4;
-extern struct nf_conntrack_protocol nf_conntrack_protocol_udp6;
-extern struct nf_conntrack_protocol nf_conntrack_generic_protocol;
+extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6;
+extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4;
+extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6;
+extern struct nf_conntrack_l4proto nf_conntrack_l4proto_generic;
 
 #define MAX_NF_CT_PROTO 256
-extern struct nf_conntrack_protocol **nf_ct_protos[PF_MAX];
+extern struct nf_conntrack_l4proto **nf_ct_protos[PF_MAX];
 
-extern struct nf_conntrack_protocol *
-__nf_ct_proto_find(u_int16_t l3proto, u_int8_t protocol);
+extern struct nf_conntrack_l4proto *
+__nf_ct_l4proto_find(u_int16_t l3proto, u_int8_t l4proto);
 
-extern struct nf_conntrack_protocol *
-nf_ct_proto_find_get(u_int16_t l3proto, u_int8_t protocol);
+extern struct nf_conntrack_l4proto *
+nf_ct_l4proto_find_get(u_int16_t l3proto, u_int8_t protocol);
 
-extern void nf_ct_proto_put(struct nf_conntrack_protocol *p);
+extern void nf_ct_l4proto_put(struct nf_conntrack_l4proto *p);
 
 /* Protocol registration. */
-extern int nf_conntrack_protocol_register(struct nf_conntrack_protocol *proto);
-extern void nf_conntrack_protocol_unregister(struct nf_conntrack_protocol *proto);
+extern int nf_conntrack_l4proto_register(struct nf_conntrack_l4proto *proto);
+extern int nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *proto);
 
 /* Generic netlink helpers */
 extern int nf_ct_port_tuple_to_nfattr(struct sk_buff *skb,
diff --git a/include/net/netfilter/nf_conntrack_tuple.h b/include/net/netfilter/nf_conntrack_tuple.h
index 530ef1f75283..5d72b16e876f 100644
--- a/include/net/netfilter/nf_conntrack_tuple.h
+++ b/include/net/netfilter/nf_conntrack_tuple.h
@@ -24,10 +24,10 @@
 
 /* The l3 protocol-specific manipulable parts of the tuple: always in
    network order! */
-union nf_conntrack_man_l3proto {
+union nf_conntrack_address {
 	u_int32_t all[NF_CT_TUPLE_L3SIZE];
-	u_int32_t ip;
-	u_int32_t ip6[4];
+	__be32 ip;
+	__be32 ip6[4];
 };
 
 /* The protocol-specific manipulable parts of the tuple: always in
@@ -38,23 +38,26 @@ union nf_conntrack_man_proto
 	u_int16_t all;
 
 	struct {
-		u_int16_t port;
+		__be16 port;
 	} tcp;
 	struct {
-		u_int16_t port;
+		__be16 port;
 	} udp;
 	struct {
-		u_int16_t id;
+		__be16 id;
 	} icmp;
 	struct {
-		u_int16_t port;
+		__be16 port;
 	} sctp;
+	struct {
+		__be16 key;	/* GRE key is 32bit, PPtP only uses 16bit */
+	} gre;
 };
 
 /* The manipulable part of the tuple. */
 struct nf_conntrack_man
 {
-	union nf_conntrack_man_l3proto u3;
+	union nf_conntrack_address u3;
 	union nf_conntrack_man_proto u;
 	/* Layer 3 protocol */
 	u_int16_t l3num;
@@ -67,27 +70,26 @@ struct nf_conntrack_tuple
 
 	/* These are the parts of the tuple which are fixed. */
 	struct {
-		union {
-			u_int32_t all[NF_CT_TUPLE_L3SIZE];
-			u_int32_t ip;
-			u_int32_t ip6[4];
-		} u3;
+		union nf_conntrack_address u3;
 		union {
 			/* Add other protocols here. */
 			u_int16_t all;
 
 			struct {
-				u_int16_t port;
+				__be16 port;
 			} tcp;
 			struct {
-				u_int16_t port;
+				__be16 port;
 			} udp;
 			struct {
 				u_int8_t type, code;
 			} icmp;
 			struct {
-				u_int16_t port;
+				__be16 port;
 			} sctp;
+			struct {
+				__be16 key;
+			} gre;
 		} u;
 
 		/* The protocol. */
diff --git a/include/net/netfilter/nf_nat.h b/include/net/netfilter/nf_nat.h
new file mode 100644
index 000000000000..61c62068ca6b
--- /dev/null
+++ b/include/net/netfilter/nf_nat.h
@@ -0,0 +1,77 @@
+#ifndef _NF_NAT_H
+#define _NF_NAT_H
+#include <linux/netfilter_ipv4.h>
+#include <net/netfilter/nf_conntrack_tuple.h>
+
+#define NF_NAT_MAPPING_TYPE_MAX_NAMELEN 16
+
+enum nf_nat_manip_type
+{
+	IP_NAT_MANIP_SRC,
+	IP_NAT_MANIP_DST
+};
+
+/* SRC manip occurs POST_ROUTING or LOCAL_IN */
+#define HOOK2MANIP(hooknum) ((hooknum) != NF_IP_POST_ROUTING && (hooknum) != NF_IP_LOCAL_IN)
+
+#define IP_NAT_RANGE_MAP_IPS 1
+#define IP_NAT_RANGE_PROTO_SPECIFIED 2
+
+/* NAT sequence number modifications */
+struct nf_nat_seq {
+	/* position of the last TCP sequence number modification (if any) */
+	u_int32_t correction_pos;
+
+	/* sequence number offset before and after last modification */
+	int16_t offset_before, offset_after;
+};
+
+/* Single range specification. */
+struct nf_nat_range
+{
+	/* Set to OR of flags above. */
+	unsigned int flags;
+
+	/* Inclusive: network order. */
+	__be32 min_ip, max_ip;
+
+	/* Inclusive: network order */
+	union nf_conntrack_man_proto min, max;
+};
+
+/* For backwards compat: don't use in modern code. */
+struct nf_nat_multi_range_compat
+{
+	unsigned int rangesize; /* Must be 1. */
+
+	/* hangs off end. */
+	struct nf_nat_range range[1];
+};
+
+#ifdef __KERNEL__
+#include <linux/list.h>
+
+/* The structure embedded in the conntrack structure. */
+struct nf_nat_info
+{
+	struct list_head bysource;
+	struct nf_nat_seq seq[IP_CT_DIR_MAX];
+};
+
+struct nf_conn;
+
+/* Set up the info structure to map into this range. */
+extern unsigned int nf_nat_setup_info(struct nf_conn *ct,
+				      const struct nf_nat_range *range,
+				      unsigned int hooknum);
+
+/* Is this tuple already taken? (not by us)*/
+extern int nf_nat_used_tuple(const struct nf_conntrack_tuple *tuple,
+			     const struct nf_conn *ignored_conntrack);
+
+extern int nf_nat_module_is_loaded;
+
+#else  /* !__KERNEL__: iptables wants this to compile. */
+#define nf_nat_multi_range nf_nat_multi_range_compat
+#endif /*__KERNEL__*/
+#endif
diff --git a/include/net/netfilter/nf_nat_core.h b/include/net/netfilter/nf_nat_core.h
new file mode 100644
index 000000000000..9778ffa93440
--- /dev/null
+++ b/include/net/netfilter/nf_nat_core.h
@@ -0,0 +1,27 @@
+#ifndef _NF_NAT_CORE_H
+#define _NF_NAT_CORE_H
+#include <linux/list.h>
+#include <net/netfilter/nf_conntrack.h>
+
+/* This header used to share core functionality between the standalone
+   NAT module, and the compatibility layer's use of NAT for masquerading. */
+
+extern unsigned int nf_nat_packet(struct nf_conn *ct,
+				  enum ip_conntrack_info ctinfo,
+				  unsigned int hooknum,
+				  struct sk_buff **pskb);
+
+extern int nf_nat_icmp_reply_translation(struct nf_conn *ct,
+					 enum ip_conntrack_info ctinfo,
+					 unsigned int hooknum,
+					 struct sk_buff **pskb);
+
+static inline int nf_nat_initialized(struct nf_conn *ct,
+				     enum nf_nat_manip_type manip)
+{
+	if (manip == IP_NAT_MANIP_SRC)
+		return test_bit(IPS_SRC_NAT_DONE_BIT, &ct->status);
+	else
+		return test_bit(IPS_DST_NAT_DONE_BIT, &ct->status);
+}
+#endif /* _NF_NAT_CORE_H */
diff --git a/include/net/netfilter/nf_nat_helper.h b/include/net/netfilter/nf_nat_helper.h
new file mode 100644
index 000000000000..ec98ecf95fc8
--- /dev/null
+++ b/include/net/netfilter/nf_nat_helper.h
@@ -0,0 +1,32 @@
+#ifndef _NF_NAT_HELPER_H
+#define _NF_NAT_HELPER_H
+/* NAT protocol helper routines. */
+
+#include <net/netfilter/nf_conntrack.h>
+
+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_udp_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_seq_adjust(struct sk_buff **pskb,
+			     struct nf_conn *ct,
+			     enum ip_conntrack_info ctinfo);
+
+/* Setup NAT on this expected conntrack so it follows master, but goes
+ * to port ct->master->saved_proto. */
+extern void nf_nat_follow_master(struct nf_conn *ct,
+				 struct nf_conntrack_expect *this);
+#endif
diff --git a/include/net/netfilter/nf_nat_protocol.h b/include/net/netfilter/nf_nat_protocol.h
new file mode 100644
index 000000000000..a9ec5ef61468
--- /dev/null
+++ b/include/net/netfilter/nf_nat_protocol.h
@@ -0,0 +1,70 @@
+/* Header for use in defining a given protocol. */
+#ifndef _NF_NAT_PROTOCOL_H
+#define _NF_NAT_PROTOCOL_H
+#include <net/netfilter/nf_nat.h>
+#include <linux/netfilter/nfnetlink_conntrack.h>
+
+struct nf_nat_range;
+
+struct nf_nat_protocol
+{
+	/* Protocol name */
+	const char *name;
+
+	/* Protocol number. */
+	unsigned int protonum;
+
+	struct module *me;
+
+	/* Translate a packet to the target according to manip type.
+	   Return true if succeeded. */
+	int (*manip_pkt)(struct sk_buff **pskb,
+			 unsigned int iphdroff,
+			 const struct nf_conntrack_tuple *tuple,
+			 enum nf_nat_manip_type maniptype);
+
+	/* Is the manipable part of the tuple between min and max incl? */
+	int (*in_range)(const struct nf_conntrack_tuple *tuple,
+			enum nf_nat_manip_type maniptype,
+			const union nf_conntrack_man_proto *min,
+			const union nf_conntrack_man_proto *max);
+
+	/* Alter the per-proto part of the tuple (depending on
+	   maniptype), to give a unique tuple in the given range if
+	   possible; return false if not.  Per-protocol part of tuple
+	   is initialized to the incoming packet. */
+	int (*unique_tuple)(struct nf_conntrack_tuple *tuple,
+			    const struct nf_nat_range *range,
+			    enum nf_nat_manip_type maniptype,
+			    const struct nf_conn *ct);
+
+	int (*range_to_nfattr)(struct sk_buff *skb,
+			       const struct nf_nat_range *range);
+
+	int (*nfattr_to_range)(struct nfattr *tb[],
+			       struct nf_nat_range *range);
+};
+
+/* Protocol registration. */
+extern int nf_nat_protocol_register(struct nf_nat_protocol *proto);
+extern void nf_nat_protocol_unregister(struct nf_nat_protocol *proto);
+
+extern struct nf_nat_protocol *nf_nat_proto_find_get(u_int8_t protocol);
+extern void nf_nat_proto_put(struct nf_nat_protocol *proto);
+
+/* Built-in protocols. */
+extern struct nf_nat_protocol nf_nat_protocol_tcp;
+extern struct nf_nat_protocol nf_nat_protocol_udp;
+extern struct nf_nat_protocol nf_nat_protocol_icmp;
+extern struct nf_nat_protocol nf_nat_unknown_protocol;
+
+extern int init_protocols(void) __init;
+extern void cleanup_protocols(void);
+extern struct nf_nat_protocol *find_nat_proto(u_int16_t protonum);
+
+extern int nf_nat_port_range_to_nfattr(struct sk_buff *skb,
+				       const struct nf_nat_range *range);
+extern int nf_nat_port_nfattr_to_range(struct nfattr *tb[],
+				       struct nf_nat_range *range);
+
+#endif /*_NF_NAT_PROTO_H*/
diff --git a/include/net/netfilter/nf_nat_rule.h b/include/net/netfilter/nf_nat_rule.h
new file mode 100644
index 000000000000..f191c672bcc6
--- /dev/null
+++ b/include/net/netfilter/nf_nat_rule.h
@@ -0,0 +1,35 @@
+#ifndef _NF_NAT_RULE_H
+#define _NF_NAT_RULE_H
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_nat.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+
+/* Compatibility definitions for ipt_FOO modules */
+#define ip_nat_range			nf_nat_range
+#define ip_conntrack_tuple		nf_conntrack_tuple
+#define ip_conntrack_get		nf_ct_get
+#define ip_conntrack			nf_conn
+#define ip_nat_setup_info		nf_nat_setup_info
+#define ip_nat_multi_range_compat	nf_nat_multi_range_compat
+#define ip_ct_iterate_cleanup		nf_ct_iterate_cleanup
+#define	IP_NF_ASSERT			NF_CT_ASSERT
+
+extern int nf_nat_rule_init(void) __init;
+extern void nf_nat_rule_cleanup(void);
+extern int nf_nat_rule_find(struct sk_buff **pskb,
+			    unsigned int hooknum,
+			    const struct net_device *in,
+			    const struct net_device *out,
+			    struct nf_conn *ct,
+			    struct nf_nat_info *info);
+
+extern unsigned int
+alloc_null_binding(struct nf_conn *ct,
+		   struct nf_nat_info *info,
+		   unsigned int hooknum);
+
+extern unsigned int
+alloc_null_binding_confirmed(struct nf_conn *ct,
+			     struct nf_nat_info *info,
+			     unsigned int hooknum);
+#endif /* _NF_NAT_RULE_H */
diff --git a/include/net/netlabel.h b/include/net/netlabel.h
index 12c214b9eadf..83da7e1f0d3d 100644
--- a/include/net/netlabel.h
+++ b/include/net/netlabel.h
@@ -111,13 +111,34 @@ struct netlbl_lsm_cache {
 	void (*free) (const void *data);
 	void *data;
 };
+/* The catmap bitmap field MUST be a power of two in length and large
+ * enough to hold at least 240 bits.  Special care (i.e. check the code!)
+ * should be used when changing these values as the LSM implementation
+ * probably has functions which rely on the sizes of these types to speed
+ * processing. */
+#define NETLBL_CATMAP_MAPTYPE           u64
+#define NETLBL_CATMAP_MAPCNT            4
+#define NETLBL_CATMAP_MAPSIZE           (sizeof(NETLBL_CATMAP_MAPTYPE) * 8)
+#define NETLBL_CATMAP_SIZE              (NETLBL_CATMAP_MAPSIZE * \
+					 NETLBL_CATMAP_MAPCNT)
+#define NETLBL_CATMAP_BIT               (NETLBL_CATMAP_MAPTYPE)0x01
+struct netlbl_lsm_secattr_catmap {
+	u32 startbit;
+	NETLBL_CATMAP_MAPTYPE bitmap[NETLBL_CATMAP_MAPCNT];
+	struct netlbl_lsm_secattr_catmap *next;
+};
+#define NETLBL_SECATTR_NONE             0x00000000
+#define NETLBL_SECATTR_DOMAIN           0x00000001
+#define NETLBL_SECATTR_CACHE            0x00000002
+#define NETLBL_SECATTR_MLS_LVL          0x00000004
+#define NETLBL_SECATTR_MLS_CAT          0x00000008
 struct netlbl_lsm_secattr {
+	u32 flags;
+
 	char *domain;
 
 	u32 mls_lvl;
-	u32 mls_lvl_vld;
-	unsigned char *mls_cat;
-	size_t mls_cat_len;
+	struct netlbl_lsm_secattr_catmap *mls_cat;
 
 	struct netlbl_lsm_cache *cache;
 };
@@ -165,18 +186,54 @@ static inline void netlbl_secattr_cache_free(struct netlbl_lsm_cache *cache)
 }
 
 /**
+ * netlbl_secattr_catmap_alloc - Allocate a LSM secattr catmap
+ * @flags: memory allocation flags
+ *
+ * Description:
+ * Allocate memory for a LSM secattr catmap, returns a pointer on success, NULL
+ * on failure.
+ *
+ */
+static inline struct netlbl_lsm_secattr_catmap *netlbl_secattr_catmap_alloc(
+	                                                           gfp_t flags)
+{
+	return kzalloc(sizeof(struct netlbl_lsm_secattr_catmap), flags);
+}
+
+/**
+ * netlbl_secattr_catmap_free - Free a LSM secattr catmap
+ * @catmap: the category bitmap
+ *
+ * Description:
+ * Free a LSM secattr catmap.
+ *
+ */
+static inline void netlbl_secattr_catmap_free(
+	                              struct netlbl_lsm_secattr_catmap *catmap)
+{
+	struct netlbl_lsm_secattr_catmap *iter;
+
+	do {
+		iter = catmap;
+		catmap = catmap->next;
+		kfree(iter);
+	} while (catmap);
+}
+
+/**
  * netlbl_secattr_init - Initialize a netlbl_lsm_secattr struct
  * @secattr: the struct to initialize
  *
  * Description:
- * Initialize an already allocated netlbl_lsm_secattr struct.  Returns zero on
- * success, negative values on error.
+ * Initialize an already allocated netlbl_lsm_secattr struct.
  *
  */
-static inline int netlbl_secattr_init(struct netlbl_lsm_secattr *secattr)
+static inline void netlbl_secattr_init(struct netlbl_lsm_secattr *secattr)
 {
-	memset(secattr, 0, sizeof(*secattr));
-	return 0;
+	secattr->flags = 0;
+	secattr->domain = NULL;
+	secattr->mls_cat = NULL;
+	secattr->cache = NULL;
 }
 
 /**
@@ -193,7 +250,8 @@ static inline void netlbl_secattr_destroy(struct netlbl_lsm_secattr *secattr)
 	if (secattr->cache)
 		netlbl_secattr_cache_free(secattr->cache);
 	kfree(secattr->domain);
-	kfree(secattr->mls_cat);
+	if (secattr->mls_cat)
+		netlbl_secattr_catmap_free(secattr->mls_cat);
 }
 
 /**
@@ -205,7 +263,7 @@ static inline void netlbl_secattr_destroy(struct netlbl_lsm_secattr *secattr)
  * pointer on success, or NULL on failure.
  *
  */
-static inline struct netlbl_lsm_secattr *netlbl_secattr_alloc(int flags)
+static inline struct netlbl_lsm_secattr *netlbl_secattr_alloc(gfp_t flags)
 {
 	return kzalloc(sizeof(struct netlbl_lsm_secattr), flags);
 }
@@ -224,6 +282,51 @@ static inline void netlbl_secattr_free(struct netlbl_lsm_secattr *secattr)
 	kfree(secattr);
 }
 
+#ifdef CONFIG_NETLABEL
+int netlbl_secattr_catmap_walk(struct netlbl_lsm_secattr_catmap *catmap,
+			       u32 offset);
+int netlbl_secattr_catmap_walk_rng(struct netlbl_lsm_secattr_catmap *catmap,
+				   u32 offset);
+int netlbl_secattr_catmap_setbit(struct netlbl_lsm_secattr_catmap *catmap,
+				 u32 bit,
+				 gfp_t flags);
+int netlbl_secattr_catmap_setrng(struct netlbl_lsm_secattr_catmap *catmap,
+				 u32 start,
+				 u32 end,
+				 gfp_t flags);
+#else
+static inline int netlbl_secattr_catmap_walk(
+	                              struct netlbl_lsm_secattr_catmap *catmap,
+				      u32 offset)
+{
+	return -ENOENT;
+}
+
+static inline int netlbl_secattr_catmap_walk_rng(
+				      struct netlbl_lsm_secattr_catmap *catmap,
+				      u32 offset)
+{
+	return -ENOENT;
+}
+
+static inline int netlbl_secattr_catmap_setbit(
+	                              struct netlbl_lsm_secattr_catmap *catmap,
+				      u32 bit,
+				      gfp_t flags)
+{
+	return 0;
+}
+
+static inline int netlbl_secattr_catmap_setrng(
+	                              struct netlbl_lsm_secattr_catmap *catmap,
+				      u32 start,
+				      u32 end,
+				      gfp_t flags)
+{
+	return 0;
+}
+#endif
+
 /*
  * LSM protocol operations
  */
diff --git a/include/net/netlink.h b/include/net/netlink.h
index ce5cba19c393..fd75fd65d59e 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -500,14 +500,15 @@ static inline struct nlmsghdr *nlmsg_put_answer(struct sk_buff *skb,
 
 /**
  * nlmsg_new - Allocate a new netlink message
- * @size: maximum size of message
+ * @payload: size of the message payload
  * @flags: the type of memory to allocate.
  *
- * Use NLMSG_GOODSIZE if size isn't know and you need a good default size.
+ * Use NLMSG_DEFAULT_SIZE if the size of the payload isn't known
+ * and a good default is needed.
  */
-static inline struct sk_buff *nlmsg_new(int size, gfp_t flags)
+static inline struct sk_buff *nlmsg_new(size_t payload, gfp_t flags)
 {
-	return alloc_skb(size, flags);
+	return alloc_skb(nlmsg_total_size(payload), flags);
 }
 
 /**
@@ -828,6 +829,9 @@ static inline int nla_put_msecs(struct sk_buff *skb, int attrtype,
 #define NLA_PUT_U16(skb, attrtype, value) \
 	NLA_PUT_TYPE(skb, u16, attrtype, value)
 
+#define NLA_PUT_LE16(skb, attrtype, value) \
+	NLA_PUT_TYPE(skb, __le16, attrtype, value)
+
 #define NLA_PUT_U32(skb, attrtype, value) \
 	NLA_PUT_TYPE(skb, u32, attrtype, value)
 
@@ -874,6 +878,15 @@ static inline u16 nla_get_u16(struct nlattr *nla)
 }
 
 /**
+ * nla_get_le16 - return payload of __le16 attribute
+ * @nla: __le16 netlink attribute
+ */
+static inline __le16 nla_get_le16(struct nlattr *nla)
+{
+	return *(__le16 *) nla_data(nla);
+}
+
+/**
  * nla_get_u8 - return payload of u8 attribute
  * @nla: u8 netlink attribute
  */
diff --git a/include/net/protocol.h b/include/net/protocol.h
index c643bce64e55..105bf12b0c79 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -50,7 +50,7 @@ struct inet6_protocol
 	void	(*err_handler)(struct sk_buff *skb,
 			       struct inet6_skb_parm *opt,
 			       int type, int code, int offset,
-			       __u32 info);
+			       __be32 info);
 
 	int	(*gso_send_check)(struct sk_buff *skb);
 	struct sk_buff *(*gso_segment)(struct sk_buff *skb,
@@ -71,7 +71,7 @@ struct inet_protosw {
 
         /* These two fields form the lookup key.  */
 	unsigned short	 type;	   /* This is the 2nd argument to socket(2). */
-	int		 protocol; /* This is the L4 protocol number.  */
+	unsigned short	 protocol; /* This is the L4 protocol number.  */
 
 	struct proto	 *prot;
 	const struct proto_ops *ops;
diff --git a/include/net/rawv6.h b/include/net/rawv6.h
index 14476a71725e..af8960878ef4 100644
--- a/include/net/rawv6.h
+++ b/include/net/rawv6.h
@@ -21,7 +21,7 @@ extern void			rawv6_err(struct sock *sk,
 					  struct sk_buff *skb,
 					  struct inet6_skb_parm *opt,
 					  int type, int code, 
-					  int offset, u32 info);
+					  int offset, __be32 info);
 
 #endif
 
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index 8e165ca16bd8..e37baaf2080b 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -28,14 +28,15 @@ struct proto;
 
 struct request_sock_ops {
 	int		family;
-	kmem_cache_t	*slab;
 	int		obj_size;
+	kmem_cache_t	*slab;
 	int		(*rtx_syn_ack)(struct sock *sk,
 				       struct request_sock *req,
 				       struct dst_entry *dst);
 	void		(*send_ack)(struct sk_buff *skb,
 				    struct request_sock *req);
-	void		(*send_reset)(struct sk_buff *skb);
+	void		(*send_reset)(struct sock *sk,
+				      struct sk_buff *skb);
 	void		(*destructor)(struct request_sock *req);
 };
 
@@ -51,12 +52,13 @@ struct request_sock {
 	u32				rcv_wnd;	  /* rcv_wnd offered first time */
 	u32				ts_recent;
 	unsigned long			expires;
-	struct request_sock_ops		*rsk_ops;
+	const struct request_sock_ops	*rsk_ops;
 	struct sock			*sk;
 	u32				secid;
+	u32				peer_secid;
 };
 
-static inline struct request_sock *reqsk_alloc(struct request_sock_ops *ops)
+static inline struct request_sock *reqsk_alloc(const struct request_sock_ops *ops)
 {
 	struct request_sock *req = kmem_cache_alloc(ops->slab, SLAB_ATOMIC);
 
@@ -120,7 +122,7 @@ struct request_sock_queue {
 };
 
 extern int reqsk_queue_alloc(struct request_sock_queue *queue,
-			     const int nr_table_entries);
+			     unsigned int nr_table_entries);
 
 static inline struct listen_sock *reqsk_queue_yank_listen_sk(struct request_sock_queue *queue)
 {
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index b0e9108a4e18..82086392735a 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -60,6 +60,7 @@ struct Qdisc_class_ops
 	int			(*graft)(struct Qdisc *, unsigned long cl,
 					struct Qdisc *, struct Qdisc **);
 	struct Qdisc *		(*leaf)(struct Qdisc *, unsigned long cl);
+	void			(*qlen_notify)(struct Qdisc *, unsigned long);
 
 	/* Class manipulation routines */
 	unsigned long		(*get)(struct Qdisc *, u32 classid);
@@ -144,7 +145,7 @@ struct tcf_proto
 	void			*root;
 	int			(*classify)(struct sk_buff*, struct tcf_proto*,
 					struct tcf_result *);
-	u32			protocol;
+	__be16			protocol;
 
 	/* All the rest */
 	u32			prio;
@@ -172,9 +173,10 @@ extern void dev_activate(struct net_device *dev);
 extern void dev_deactivate(struct net_device *dev);
 extern void qdisc_reset(struct Qdisc *qdisc);
 extern void qdisc_destroy(struct Qdisc *qdisc);
+extern void qdisc_tree_decrease_qlen(struct Qdisc *qdisc, unsigned int n);
 extern struct Qdisc *qdisc_alloc(struct net_device *dev, struct Qdisc_ops *ops);
 extern struct Qdisc *qdisc_create_dflt(struct net_device *dev,
-				       struct Qdisc_ops *ops);
+				       struct Qdisc_ops *ops, u32 parentid);
 
 static inline void
 tcf_destroy(struct tcf_proto *tp)
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index 807d6f1ef4b5..6114c4f54b0a 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -116,9 +116,11 @@ typedef enum {
 typedef union {
 	__s32 i32;
 	__u32 u32;
+	__be32 be32;
 	__u16 u16;
 	__u8 u8;
 	int error;
+	__be16 err;
 	sctp_state_t state;
 	sctp_event_timeout_t to;
 	unsigned long zero;
@@ -164,9 +166,11 @@ SCTP_## name (type arg)		\
 
 SCTP_ARG_CONSTRUCTOR(I32,	__s32, i32)
 SCTP_ARG_CONSTRUCTOR(U32,	__u32, u32)
+SCTP_ARG_CONSTRUCTOR(BE32,	__be32, be32)
 SCTP_ARG_CONSTRUCTOR(U16,	__u16, u16)
 SCTP_ARG_CONSTRUCTOR(U8,	__u8, u8)
 SCTP_ARG_CONSTRUCTOR(ERROR,     int, error)
+SCTP_ARG_CONSTRUCTOR(PERR,      __be16, err)	/* protocol error */
 SCTP_ARG_CONSTRUCTOR(STATE,	sctp_state_t, state)
 SCTP_ARG_CONSTRUCTOR(TO,	sctp_event_timeout_t, to)
 SCTP_ARG_CONSTRUCTOR(PTR,	void *, ptr)
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 6c632e26f72d..5ddb85599863 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -356,7 +356,7 @@ typedef enum {
  * addresses.
  */
 #define IS_IPV4_UNUSABLE_ADDRESS(a) \
-	((INADDR_BROADCAST == *a) || \
+	((htonl(INADDR_BROADCAST) == *a) || \
 	(MULTICAST(*a)) || \
 	(((unsigned char *)(a))[0] == 0) || \
 	((((unsigned char *)(a))[0] == 198) && \
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 764e3af5be93..215461f18db1 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -585,7 +585,7 @@ static inline int ipver2af(__u8 ipver)
 }
 
 /* Convert from an address parameter type to an address family.  */
-static inline int param_type2af(__u16 type)
+static inline int param_type2af(__be16 type)
 {
 	switch (type) {
 	case SCTP_PARAM_IPV4_ADDRESS:
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index de313de4fefe..3269ed1cc222 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -213,7 +213,7 @@ struct sctp_chunk *sctp_make_shutdown_ack(const struct sctp_association *asoc,
 					  const struct sctp_chunk *);
 struct sctp_chunk *sctp_make_shutdown_complete(const struct sctp_association *,
 					  const struct sctp_chunk *);
-void sctp_init_cause(struct sctp_chunk *, __u16 cause, const void *, size_t);
+void sctp_init_cause(struct sctp_chunk *, __be16 cause, const void *, size_t);
 struct sctp_chunk *sctp_make_abort(const struct sctp_association *,
 			      const struct sctp_chunk *,
 			      const size_t hint);
@@ -236,14 +236,14 @@ struct sctp_chunk *sctp_make_heartbeat_ack(const struct sctp_association *,
 				      const size_t paylen);
 struct sctp_chunk *sctp_make_op_error(const struct sctp_association *,
 				 const struct sctp_chunk *chunk,
-				 __u16 cause_code,
+				 __be16 cause_code,
 				 const void *payload,
 				 size_t paylen);
 
 struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *,
 					      union sctp_addr *,
 					      struct sockaddr *,
-					      int, __u16);
+					      int, __be16);
 struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
 					     union sctp_addr *addr);
 struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index c6d93bb0dcd2..f8cbe40f52c0 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -537,7 +537,7 @@ struct sctp_af {
 					  struct net_device *);
 	void		(*dst_saddr)	(union sctp_addr *saddr,
 					 struct dst_entry *dst,
-					 unsigned short port);
+					 __be16 port);
 	int		(*cmp_addr)	(const union sctp_addr *addr1,
 					 const union sctp_addr *addr2);
 	void		(*addr_copy)	(union sctp_addr *dst,
@@ -553,14 +553,14 @@ struct sctp_af {
 					 struct sock *sk);
 	void		(*from_addr_param) (union sctp_addr *,
 					    union sctp_addr_param *,
-					    __u16 port, int iif);	
+					    __be16 port, int iif);
 	int		(*to_addr_param) (const union sctp_addr *,
 					  union sctp_addr_param *); 
 	int		(*addr_valid)	(union sctp_addr *,
 					 struct sctp_sock *,
 					 const struct sk_buff *);
 	sctp_scope_t	(*scope) (union sctp_addr *);
-	void		(*inaddr_any)	(union sctp_addr *, unsigned short);
+	void		(*inaddr_any)	(union sctp_addr *, __be16);
 	int		(*is_any)	(const union sctp_addr *);
 	int		(*available)	(union sctp_addr *,
 					 struct sctp_sock *);
@@ -587,7 +587,7 @@ struct sctp_pf {
 			  struct sctp_sock *);
 	int  (*bind_verify) (struct sctp_sock *, union sctp_addr *);
 	int  (*send_verify) (struct sctp_sock *, union sctp_addr *);
-	int  (*supported_addrs)(const struct sctp_sock *, __u16 *);
+	int  (*supported_addrs)(const struct sctp_sock *, __be16 *);
 	struct sock *(*create_accept_sk) (struct sock *sk,
 					  struct sctp_association *asoc);
 	void (*addr_v4map) (struct sctp_sock *, union sctp_addr *);
@@ -1270,7 +1270,7 @@ struct sctp_endpoint {
  	 * 	    this here so we pre-allocate this once and can re-use
  	 * 	    on every receive.
  	 */
- 	__u8 digest[SCTP_SIGNATURE_SIZE];
+ 	__u8 *digest;
  
 	/* sendbuf acct. policy.	*/
 	__u32 sndbuf_policy;
@@ -1314,6 +1314,13 @@ int sctp_process_init(struct sctp_association *, sctp_cid_t cid,
 __u32 sctp_generate_tag(const struct sctp_endpoint *);
 __u32 sctp_generate_tsn(const struct sctp_endpoint *);
 
+struct sctp_inithdr_host {
+	__u32 init_tag;
+	__u32 a_rwnd;
+	__u16 num_outbound_streams;
+	__u16 num_inbound_streams;
+	__u32 initial_tsn;
+};
 
 /* RFC2960
  *
@@ -1482,9 +1489,9 @@ struct sctp_association {
 		/* This mask is used to disable sending the ASCONF chunk
 		 * with specified parameter to peer.
 		 */
-		__u16 addip_disabled_mask;
+		__be16 addip_disabled_mask;
 
-		struct sctp_inithdr i;
+		struct sctp_inithdr_host i;
 		int cookie_len;
 		void *cookie;
 
diff --git a/include/net/sctp/tsnmap.h b/include/net/sctp/tsnmap.h
index 021947da70ea..70a824df6f60 100644
--- a/include/net/sctp/tsnmap.h
+++ b/include/net/sctp/tsnmap.h
@@ -105,7 +105,7 @@ struct sctp_tsnmap {
 	 * every SACK.  Store up to SCTP_MAX_DUP_TSNS worth of
 	 * information.
 	 */
-	__u32 dup_tsns[SCTP_MAX_DUP_TSNS];
+	__be32 dup_tsns[SCTP_MAX_DUP_TSNS];
 	__u16 num_dup_tsns;
 
 	/* Record gap ack block information here.  */
@@ -162,7 +162,7 @@ static inline __u16 sctp_tsnmap_num_dups(struct sctp_tsnmap *map)
 }
 
 /* Return pointer to duplicate tsn array as needed by SACK. */
-static inline __u32 *sctp_tsnmap_get_dups(struct sctp_tsnmap *map)
+static inline __be32 *sctp_tsnmap_get_dups(struct sctp_tsnmap *map)
 {
 	map->num_dup_tsns = 0;
 	return map->dup_tsns;
diff --git a/include/net/sock.h b/include/net/sock.h
index 40bb90ebb2d1..26fc0b16bc0c 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -745,7 +745,13 @@ static inline int sk_stream_wmem_schedule(struct sock *sk, int size)
  */
 #define sock_owned_by_user(sk)	((sk)->sk_lock.owner)
 
-extern void FASTCALL(lock_sock(struct sock *sk));
+extern void FASTCALL(lock_sock_nested(struct sock *sk, int subclass));
+
+static inline void lock_sock(struct sock *sk)
+{
+	lock_sock_nested(sk, 0);
+}
+
 extern void FASTCALL(release_sock(struct sock *sk));
 
 /* BH context may only use the following locking interface. */
@@ -883,19 +889,23 @@ static inline int sk_filter(struct sock *sk, struct sk_buff *skb)
 }
 
 /**
- *	sk_filter_release: Release a socket filter
- *	@sk: socket
- *	@fp: filter to remove
- *
- *	Remove a filter from a socket and release its resources.
+ * 	sk_filter_rcu_free: Free a socket filter
+ *	@rcu: rcu_head that contains the sk_filter to free
  */
- 
 static inline void sk_filter_rcu_free(struct rcu_head *rcu)
 {
 	struct sk_filter *fp = container_of(rcu, struct sk_filter, rcu);
 	kfree(fp);
 }
 
+/**
+ *	sk_filter_release: Release a socket filter
+ *	@sk: socket
+ *	@fp: filter to remove
+ *
+ *	Remove a filter from a socket and release its resources.
+ */
+
 static inline void sk_filter_release(struct sock *sk, struct sk_filter *fp)
 {
 	unsigned int size = sk_filter_len(fp);
@@ -944,7 +954,8 @@ static inline void sock_put(struct sock *sk)
 		sk_free(sk);
 }
 
-extern int sk_receive_skb(struct sock *sk, struct sk_buff *skb);
+extern int sk_receive_skb(struct sock *sk, struct sk_buff *skb,
+			  const int nested);
 
 /* Detach socket from process context.
  * Announce socket dead, detach it from wait queue and inode.
@@ -1078,7 +1089,7 @@ static inline int skb_copy_to_page(struct sock *sk, char __user *from,
 {
 	if (skb->ip_summed == CHECKSUM_NONE) {
 		int err = 0;
-		unsigned int csum = csum_and_copy_from_user(from,
+		__wsum csum = csum_and_copy_from_user(from,
 						     page_address(page) + off,
 							    copy, 0, &err);
 		if (err)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 7a093d0aa0fe..c99774f15eba 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -28,6 +28,7 @@
 #include <linux/percpu.h>
 #include <linux/skbuff.h>
 #include <linux/dmaengine.h>
+#include <linux/crypto.h>
 
 #include <net/inet_connection_sock.h>
 #include <net/inet_timewait_sock.h>
@@ -138,7 +139,6 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define MAX_TCP_SYNCNT		127
 
 #define TCP_SYNQ_INTERVAL	(HZ/5)	/* Period of SYNACK timer */
-#define TCP_SYNQ_HSIZE		512	/* Size of SYNACK hash table */
 
 #define TCP_PAWS_24DAYS	(60 * 60 * 24 * 24)
 #define TCP_PAWS_MSL	60		/* Per-host timestamps are invalidated
@@ -162,6 +162,7 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define TCPOPT_SACK_PERM        4       /* SACK Permitted */
 #define TCPOPT_SACK             5       /* SACK Block */
 #define TCPOPT_TIMESTAMP	8	/* Better RTT estimations/PAWS */
+#define TCPOPT_MD5SIG		19	/* MD5 Signature (RFC2385) */
 
 /*
  *     TCP option lengths
@@ -171,6 +172,7 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define TCPOLEN_WINDOW         3
 #define TCPOLEN_SACK_PERM      2
 #define TCPOLEN_TIMESTAMP      10
+#define TCPOLEN_MD5SIG         18
 
 /* But this is what stacks really send out. */
 #define TCPOLEN_TSTAMP_ALIGNED		12
@@ -179,6 +181,7 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define TCPOLEN_SACK_BASE		2
 #define TCPOLEN_SACK_BASE_ALIGNED	4
 #define TCPOLEN_SACK_PERBLOCK		8
+#define TCPOLEN_MD5SIG_ALIGNED		20
 
 /* Flags in tp->nonagle */
 #define TCP_NAGLE_OFF		1	/* Nagle's algo is disabled */
@@ -300,6 +303,8 @@ extern void			tcp_cleanup_rbuf(struct sock *sk, int copied);
 extern int			tcp_twsk_unique(struct sock *sk,
 						struct sock *sktw, void *twp);
 
+extern void			tcp_twsk_destructor(struct sock *sk);
+
 static inline void tcp_dec_quickack_mode(struct sock *sk,
 					 const unsigned int pkts)
 {
@@ -621,8 +626,12 @@ enum tcp_ca_event {
  * Interface for adding new TCP congestion control handlers
  */
 #define TCP_CA_NAME_MAX	16
+#define TCP_CA_MAX	128
+#define TCP_CA_BUF_MAX	(TCP_CA_NAME_MAX*TCP_CA_MAX)
+
 struct tcp_congestion_ops {
 	struct list_head	list;
+	int	non_restricted;
 
 	/* initialize private data (optional) */
 	void (*init)(struct sock *sk);
@@ -660,6 +669,9 @@ extern void tcp_init_congestion_control(struct sock *sk);
 extern void tcp_cleanup_congestion_control(struct sock *sk);
 extern int tcp_set_default_congestion_control(const char *name);
 extern void tcp_get_default_congestion_control(char *name);
+extern void tcp_get_available_congestion_control(char *buf, size_t len);
+extern void tcp_get_allowed_congestion_control(char *buf, size_t len);
+extern int tcp_set_allowed_congestion_control(char *allowed);
 extern int tcp_set_congestion_control(struct sock *sk, const char *name);
 extern void tcp_slow_start(struct tcp_sock *tp);
 
@@ -795,14 +807,14 @@ static inline void tcp_update_wl(struct tcp_sock *tp, u32 ack, u32 seq)
 /*
  * Calculate(/check) TCP checksum
  */
-static inline u16 tcp_v4_check(struct tcphdr *th, int len,
-			       unsigned long saddr, unsigned long daddr, 
-			       unsigned long base)
+static inline __sum16 tcp_v4_check(struct tcphdr *th, int len,
+			       __be32 saddr, __be32 daddr,
+			       __wsum base)
 {
 	return csum_tcpudp_magic(saddr,daddr,len,IPPROTO_TCP,base);
 }
 
-static inline int __tcp_checksum_complete(struct sk_buff *skb)
+static inline __sum16 __tcp_checksum_complete(struct sk_buff *skb)
 {
 	return __skb_checksum_complete(skb);
 }
@@ -1058,6 +1070,114 @@ static inline void clear_all_retrans_hints(struct tcp_sock *tp){
 	tp->fastpath_skb_hint = NULL;
 }
 
+/* MD5 Signature */
+struct crypto_hash;
+
+/* - key database */
+struct tcp_md5sig_key {
+	u8			*key;
+	u8			keylen;
+};
+
+struct tcp4_md5sig_key {
+	u8			*key;
+	u16			keylen;
+	__be32			addr;
+};
+
+struct tcp6_md5sig_key {
+	u8			*key;
+	u16			keylen;
+#if 0
+	u32			scope_id;	/* XXX */
+#endif
+	struct in6_addr		addr;
+};
+
+/* - sock block */
+struct tcp_md5sig_info {
+	struct tcp4_md5sig_key	*keys4;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+	struct tcp6_md5sig_key	*keys6;
+	u32			entries6;
+	u32			alloced6;
+#endif
+	u32			entries4;
+	u32			alloced4;
+};
+
+/* - pseudo header */
+struct tcp4_pseudohdr {
+	__be32		saddr;
+	__be32		daddr;
+	__u8		pad;
+	__u8		protocol;
+	__be16		len;
+};
+
+struct tcp6_pseudohdr {
+	struct in6_addr	saddr;
+	struct in6_addr daddr;
+	__be32		len;
+	__be32		protocol;	/* including padding */
+};
+
+union tcp_md5sum_block {
+	struct tcp4_pseudohdr ip4;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+	struct tcp6_pseudohdr ip6;
+#endif
+};
+
+/* - pool: digest algorithm, hash description and scratch buffer */
+struct tcp_md5sig_pool {
+	struct hash_desc	md5_desc;
+	union tcp_md5sum_block	md5_blk;
+};
+
+#define TCP_MD5SIG_MAXKEYS	(~(u32)0)	/* really?! */
+
+/* - functions */
+extern int			tcp_v4_calc_md5_hash(char *md5_hash,
+						     struct tcp_md5sig_key *key,
+						     struct sock *sk,
+						     struct dst_entry *dst,
+						     struct request_sock *req,
+						     struct tcphdr *th,
+						     int protocol, int tcplen);
+extern struct tcp_md5sig_key	*tcp_v4_md5_lookup(struct sock *sk,
+						   struct sock *addr_sk);
+
+extern int			tcp_v4_md5_do_add(struct sock *sk,
+						  __be32 addr,
+						  u8 *newkey,
+						  u8 newkeylen);
+
+extern int			tcp_v4_md5_do_del(struct sock *sk,
+						  __be32 addr);
+
+extern struct tcp_md5sig_pool	**tcp_alloc_md5sig_pool(void);
+extern void			tcp_free_md5sig_pool(void);
+
+extern struct tcp_md5sig_pool	*__tcp_get_md5sig_pool(int cpu);
+extern void			__tcp_put_md5sig_pool(void);
+
+static inline
+struct tcp_md5sig_pool		*tcp_get_md5sig_pool(void)
+{
+	int cpu = get_cpu();
+	struct tcp_md5sig_pool *ret = __tcp_get_md5sig_pool(cpu);
+	if (!ret)
+		put_cpu();
+	return ret;
+}
+
+static inline void		tcp_put_md5sig_pool(void)
+{
+	__tcp_put_md5sig_pool();
+	put_cpu();
+}
+
 /* /proc */
 enum tcp_seq_states {
 	TCP_SEQ_STATE_LISTENING,
@@ -1097,6 +1217,35 @@ extern int  tcp4_proc_init(void);
 extern void tcp4_proc_exit(void);
 #endif
 
+/* TCP af-specific functions */
+struct tcp_sock_af_ops {
+#ifdef CONFIG_TCP_MD5SIG
+	struct tcp_md5sig_key	*(*md5_lookup) (struct sock *sk,
+						struct sock *addr_sk);
+	int			(*calc_md5_hash) (char *location,
+						  struct tcp_md5sig_key *md5,
+						  struct sock *sk,
+						  struct dst_entry *dst,
+						  struct request_sock *req,
+						  struct tcphdr *th,
+						  int protocol, int len);
+	int			(*md5_add) (struct sock *sk,
+					    struct sock *addr_sk,
+					    u8 *newkey,
+					    u8 len);
+	int			(*md5_parse) (struct sock *sk,
+					      char __user *optval,
+					      int optlen);
+#endif
+};
+
+struct tcp_request_sock_ops {
+#ifdef CONFIG_TCP_MD5SIG
+	struct tcp_md5sig_key	*(*md5_lookup) (struct sock *sk,
+						struct request_sock *req);
+#endif
+};
+
 extern void tcp_v4_init(struct net_proto_family *ops);
 extern void tcp_init(void);
 
diff --git a/include/net/timewait_sock.h b/include/net/timewait_sock.h
index be293d795e38..d7a306ea560d 100644
--- a/include/net/timewait_sock.h
+++ b/include/net/timewait_sock.h
@@ -31,6 +31,9 @@ static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
 
 static inline void twsk_destructor(struct sock *sk)
 {
+	BUG_ON(sk == NULL);
+	BUG_ON(sk->sk_prot == NULL);
+	BUG_ON(sk->sk_prot->twsk_prot == NULL);
 	if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)
 		sk->sk_prot->twsk_prot->twsk_destructor(sk);
 }
diff --git a/include/net/tipc/tipc_bearer.h b/include/net/tipc/tipc_bearer.h
index e07136d74c2f..2151a80cdf30 100644
--- a/include/net/tipc/tipc_bearer.h
+++ b/include/net/tipc/tipc_bearer.h
@@ -58,7 +58,7 @@
  */
 
 struct tipc_media_addr {
-	__u32  type;			/* bearer type (network byte order) */
+	__be32  type;			/* bearer type (network byte order) */
 	union {
 		__u8   eth_addr[6];	/* 48 bit Ethernet addr (byte array) */ 
 #if 0
diff --git a/include/net/tipc/tipc_msg.h b/include/net/tipc/tipc_msg.h
index 4d096eebc93f..fb42eb7a86a5 100644
--- a/include/net/tipc/tipc_msg.h
+++ b/include/net/tipc/tipc_msg.h
@@ -40,7 +40,7 @@
 #ifdef __KERNEL__
 
 struct tipc_msg {
-	u32 hdr[15];
+	__be32 hdr[15];
 };
 
 
diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h
index 61f724c1036f..409da3a9a455 100644
--- a/include/net/transp_v6.h
+++ b/include/net/transp_v6.h
@@ -11,6 +11,7 @@
 
 extern struct proto rawv6_prot;
 extern struct proto udpv6_prot;
+extern struct proto udplitev6_prot;
 extern struct proto tcpv6_prot;
 
 struct flowi;
@@ -24,6 +25,7 @@ extern void				ipv6_destopt_init(void);
 /* transport protocols */
 extern void				rawv6_init(void);
 extern void				udpv6_init(void);
+extern void 				udplitev6_init(void);
 extern void				tcpv6_init(void);
 
 extern int				udpv6_connect(struct sock *sk,
diff --git a/include/net/udp.h b/include/net/udp.h
index db0c05f67546..1548d68d45da 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -26,9 +26,28 @@
 #include <net/inet_sock.h>
 #include <net/sock.h>
 #include <net/snmp.h>
+#include <net/ip.h>
+#include <linux/ipv6.h>
 #include <linux/seq_file.h>
 
-#define UDP_HTABLE_SIZE		128
+/**
+ *	struct udp_skb_cb  -  UDP(-Lite) private variables
+ *
+ *	@header:      private variables used by IPv4/IPv6
+ *	@cscov:       checksum coverage length (UDP-Lite only)
+ *	@partial_cov: if set indicates partial csum coverage
+ */
+struct udp_skb_cb {
+	union {
+		struct inet_skb_parm	h4;
+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+		struct inet6_skb_parm	h6;
+#endif
+	} header;
+	__u16		cscov;
+	__u8		partial_cov;
+};
+#define UDP_SKB_CB(__skb)	((struct udp_skb_cb *)((__skb)->cb))
 
 extern struct hlist_head udp_hash[UDP_HTABLE_SIZE];
 extern rwlock_t udp_hash_lock;
@@ -47,6 +66,62 @@ extern struct proto udp_prot;
 
 struct sk_buff;
 
+/*
+ *	Generic checksumming routines for UDP(-Lite) v4 and v6
+ */
+static inline __sum16 __udp_lib_checksum_complete(struct sk_buff *skb)
+{
+	if (! UDP_SKB_CB(skb)->partial_cov)
+		return __skb_checksum_complete(skb);
+	return csum_fold(skb_checksum(skb, 0, UDP_SKB_CB(skb)->cscov,
+				      skb->csum));
+}
+
+static inline int udp_lib_checksum_complete(struct sk_buff *skb)
+{
+	return skb->ip_summed != CHECKSUM_UNNECESSARY &&
+		__udp_lib_checksum_complete(skb);
+}
+
+/**
+ * 	udp_csum_outgoing  -  compute UDPv4/v6 checksum over fragments
+ * 	@sk: 	socket we are writing to
+ * 	@skb: 	sk_buff containing the filled-in UDP header
+ * 	        (checksum field must be zeroed out)
+ */
+static inline __wsum udp_csum_outgoing(struct sock *sk, struct sk_buff *skb)
+{
+	__wsum csum = csum_partial(skb->h.raw, sizeof(struct udphdr), 0);
+
+	skb_queue_walk(&sk->sk_write_queue, skb) {
+		csum = csum_add(csum, skb->csum);
+	}
+	return csum;
+}
+
+/* hash routines shared between UDPv4/6 and UDP-Litev4/6 */
+static inline void udp_lib_hash(struct sock *sk)
+{
+	BUG();
+}
+
+static inline void udp_lib_unhash(struct sock *sk)
+{
+	write_lock_bh(&udp_hash_lock);
+	if (sk_del_node_init(sk)) {
+		inet_sk(sk)->num = 0;
+		sock_prot_dec_use(sk->sk_prot);
+	}
+	write_unlock_bh(&udp_hash_lock);
+}
+
+static inline void udp_lib_close(struct sock *sk, long timeout)
+{
+	sk_common_release(sk);
+}
+
+
+/* net/ipv4/udp.c */
 extern int	udp_get_port(struct sock *sk, unsigned short snum,
 			     int (*saddr_cmp)(const struct sock *, const struct sock *));
 extern void	udp_err(struct sk_buff *, u32);
@@ -59,23 +134,36 @@ extern int	udp_ioctl(struct sock *sk, int cmd, unsigned long arg);
 extern int	udp_disconnect(struct sock *sk, int flags);
 extern unsigned int udp_poll(struct file *file, struct socket *sock,
 			     poll_table *wait);
+extern int 	udp_lib_getsockopt(struct sock *sk, int level, int optname,
+			           char __user *optval, int __user *optlen);
+extern int 	udp_lib_setsockopt(struct sock *sk, int level, int optname,
+				   char __user *optval, int optlen,
+				   int (*push_pending_frames)(struct sock *));
 
 DECLARE_SNMP_STAT(struct udp_mib, udp_statistics);
-#define UDP_INC_STATS(field)		SNMP_INC_STATS(udp_statistics, field)
-#define UDP_INC_STATS_BH(field)		SNMP_INC_STATS_BH(udp_statistics, field)
-#define UDP_INC_STATS_USER(field) 	SNMP_INC_STATS_USER(udp_statistics, field)
+/*
+ * 	SNMP statistics for UDP and UDP-Lite
+ */
+#define UDP_INC_STATS_USER(field, is_udplite)			       do {   \
+	if (is_udplite) SNMP_INC_STATS_USER(udplite_statistics, field);       \
+	else		SNMP_INC_STATS_USER(udp_statistics, field);  }  while(0)
+#define UDP_INC_STATS_BH(field, is_udplite) 			       do  {  \
+	if (is_udplite) SNMP_INC_STATS_BH(udplite_statistics, field);         \
+	else		SNMP_INC_STATS_BH(udp_statistics, field);    }  while(0)
 
 /* /proc */
 struct udp_seq_afinfo {
 	struct module		*owner;
 	char			*name;
 	sa_family_t		family;
+	struct hlist_head	*hashtable;
 	int 			(*seq_show) (struct seq_file *m, void *v);
 	struct file_operations	*seq_fops;
 };
 
 struct udp_iter_state {
 	sa_family_t		family;
+	struct hlist_head	*hashtable;
 	int			bucket;
 	struct seq_operations	seq_ops;
 };
diff --git a/include/net/udplite.h b/include/net/udplite.h
new file mode 100644
index 000000000000..67ac51424307
--- /dev/null
+++ b/include/net/udplite.h
@@ -0,0 +1,151 @@
+/*
+ *	Definitions for the UDP-Lite (RFC 3828) code.
+ */
+#ifndef _UDPLITE_H
+#define _UDPLITE_H
+
+#include <net/ip6_checksum.h>
+
+/* UDP-Lite socket options */
+#define UDPLITE_SEND_CSCOV   10 /* sender partial coverage (as sent)      */
+#define UDPLITE_RECV_CSCOV   11 /* receiver partial coverage (threshold ) */
+
+extern struct proto 		udplite_prot;
+extern struct hlist_head 	udplite_hash[UDP_HTABLE_SIZE];
+
+/* UDP-Lite does not have a standardized MIB yet, so we inherit from UDP */
+DECLARE_SNMP_STAT(struct udp_mib, udplite_statistics);
+
+/*
+ *	Checksum computation is all in software, hence simpler getfrag.
+ */
+static __inline__ int udplite_getfrag(void *from, char *to, int  offset,
+				      int len, int odd, struct sk_buff *skb)
+{
+	return memcpy_fromiovecend(to, (struct iovec *) from, offset, len);
+}
+
+/* Designate sk as UDP-Lite socket */
+static inline int udplite_sk_init(struct sock *sk)
+{
+	udp_sk(sk)->pcflag = UDPLITE_BIT;
+	return 0;
+}
+
+/*
+ * 	Checksumming routines
+ */
+static inline int udplite_checksum_init(struct sk_buff *skb, struct udphdr *uh)
+{
+	u16 cscov;
+
+        /* In UDPv4 a zero checksum means that the transmitter generated no
+         * checksum. UDP-Lite (like IPv6) mandates checksums, hence packets
+         * with a zero checksum field are illegal.                            */
+	if (uh->check == 0) {
+		LIMIT_NETDEBUG(KERN_DEBUG "UDPLITE: zeroed checksum field\n");
+		return 1;
+	}
+
+        UDP_SKB_CB(skb)->partial_cov = 0;
+	cscov = ntohs(uh->len);
+
+	if (cscov == 0)		 /* Indicates that full coverage is required. */
+		cscov = skb->len;
+	else if (cscov < 8  || cscov > skb->len) {
+		/*
+		 * Coverage length violates RFC 3828: log and discard silently.
+		 */
+		LIMIT_NETDEBUG(KERN_DEBUG "UDPLITE: bad csum coverage %d/%d\n",
+			       cscov, skb->len);
+		return 1;
+
+	} else if (cscov < skb->len)
+        	UDP_SKB_CB(skb)->partial_cov = 1;
+
+        UDP_SKB_CB(skb)->cscov = cscov;
+
+	/*
+	 * There is no known NIC manufacturer supporting UDP-Lite yet,
+	 * hence ip_summed is always (re-)set to CHECKSUM_NONE.
+	 */
+	skb->ip_summed = CHECKSUM_NONE;
+
+	return 0;
+}
+
+static __inline__ int udplite4_csum_init(struct sk_buff *skb, struct udphdr *uh)
+{
+	int rc = udplite_checksum_init(skb, uh);
+
+	if (!rc)
+		skb->csum = csum_tcpudp_nofold(skb->nh.iph->saddr,
+					       skb->nh.iph->daddr,
+					       skb->len, IPPROTO_UDPLITE, 0);
+	return rc;
+}
+
+static __inline__ int udplite6_csum_init(struct sk_buff *skb, struct udphdr *uh)
+{
+	int rc = udplite_checksum_init(skb, uh);
+
+	if (!rc)
+		skb->csum = ~csum_unfold(csum_ipv6_magic(&skb->nh.ipv6h->saddr,
+					     &skb->nh.ipv6h->daddr,
+					     skb->len, IPPROTO_UDPLITE, 0));
+	return rc;
+}
+
+static inline int udplite_sender_cscov(struct udp_sock *up, struct udphdr *uh)
+{
+	int cscov = up->len;
+
+	/*
+	 * Sender has set `partial coverage' option on UDP-Lite socket
+	 */
+	if (up->pcflag & UDPLITE_SEND_CC)    {
+		if (up->pcslen < up->len) {
+		/* up->pcslen == 0 means that full coverage is required,
+		 * partial coverage only if  0 < up->pcslen < up->len */
+			if (0 < up->pcslen) {
+			       cscov = up->pcslen;
+			}
+			uh->len = htons(up->pcslen);
+		}
+	/*
+	 * NOTE: Causes for the error case  `up->pcslen > up->len':
+	 *        (i)  Application error (will not be penalized).
+	 *       (ii)  Payload too big for send buffer: data is split
+	 *             into several packets, each with its own header.
+	 *             In this case (e.g. last segment), coverage may
+	 *             exceed packet length.
+	 *       Since packets with coverage length > packet length are
+	 *       illegal, we fall back to the defaults here.
+	 */
+	}
+	return cscov;
+}
+
+static inline __wsum udplite_csum_outgoing(struct sock *sk, struct sk_buff *skb)
+{
+	int off, len, cscov = udplite_sender_cscov(udp_sk(sk), skb->h.uh);
+	__wsum csum = 0;
+
+	skb->ip_summed = CHECKSUM_NONE;     /* no HW support for checksumming */
+
+	skb_queue_walk(&sk->sk_write_queue, skb) {
+		off = skb->h.raw - skb->data;
+		len = skb->len - off;
+
+		csum = skb_checksum(skb, off, (cscov > len)? len : cscov, csum);
+
+		if ((cscov -= len) <= 0)
+			break;
+	}
+	return csum;
+}
+
+extern void	udplite4_register(void);
+extern int 	udplite_get_port(struct sock *sk, unsigned short snum,
+			int (*scmp)(const struct sock *, const struct sock *));
+#endif	/* _UDPLITE_H */
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 737fdb2ee8a4..15ec19dcf9c8 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -310,6 +310,8 @@ struct xfrm_tmpl
 /* Source address of tunnel. Ignored, if it is not a tunnel. */
 	xfrm_address_t		saddr;
 
+	unsigned short		encap_family;
+
 	__u32			reqid;
 
 /* Mode: transport, tunnel etc. */
@@ -340,18 +342,19 @@ struct xfrm_policy
 	atomic_t		refcnt;
 	struct timer_list	timer;
 
-	u8			type;
 	u32			priority;
 	u32			index;
 	struct xfrm_selector	selector;
 	struct xfrm_lifetime_cfg lft;
 	struct xfrm_lifetime_cur curlft;
 	struct dst_entry       *bundles;
-	__u16			family;
-	__u8			action;
-	__u8			flags;
-	__u8			dead;
-	__u8			xfrm_nr;
+	u16			family;
+	u8			type;
+	u8			action;
+	u8			flags;
+	u8			dead;
+	u8			xfrm_nr;
+	/* XXX 1 byte hole, try to pack */
 	struct xfrm_sec_ctx	*security;
 	struct xfrm_tmpl       	xfrm_vec[XFRM_MAX_DEPTH];
 };
@@ -379,7 +382,7 @@ struct xfrm_mgr
 	int			(*notify)(struct xfrm_state *x, struct km_event *c);
 	int			(*acquire)(struct xfrm_state *x, struct xfrm_tmpl *, struct xfrm_policy *xp, int dir);
 	struct xfrm_policy	*(*compile_policy)(struct sock *sk, int opt, u8 *data, int len, int *dir);
-	int			(*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport);
+	int			(*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
 	int			(*notify_policy)(struct xfrm_policy *x, int dir, struct km_event *c);
 	int			(*report)(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
 };
@@ -468,6 +471,7 @@ __be16 xfrm_flowi_sport(struct flowi *fl)
 	switch(fl->proto) {
 	case IPPROTO_TCP:
 	case IPPROTO_UDP:
+	case IPPROTO_UDPLITE:
 	case IPPROTO_SCTP:
 		port = fl->fl_ip_sport;
 		break;
@@ -493,6 +497,7 @@ __be16 xfrm_flowi_dport(struct flowi *fl)
 	switch(fl->proto) {
 	case IPPROTO_TCP:
 	case IPPROTO_UDP:
+	case IPPROTO_UDPLITE:
 	case IPPROTO_SCTP:
 		port = fl->fl_ip_dport;
 		break;
@@ -506,40 +511,8 @@ __be16 xfrm_flowi_dport(struct flowi *fl)
 	return port;
 }
 
-static inline int
-__xfrm4_selector_match(struct xfrm_selector *sel, struct flowi *fl)
-{
-	return  addr_match(&fl->fl4_dst, &sel->daddr, sel->prefixlen_d) &&
-		addr_match(&fl->fl4_src, &sel->saddr, sel->prefixlen_s) &&
-		!((xfrm_flowi_dport(fl) ^ sel->dport) & sel->dport_mask) &&
-		!((xfrm_flowi_sport(fl) ^ sel->sport) & sel->sport_mask) &&
-		(fl->proto == sel->proto || !sel->proto) &&
-		(fl->oif == sel->ifindex || !sel->ifindex);
-}
-
-static inline int
-__xfrm6_selector_match(struct xfrm_selector *sel, struct flowi *fl)
-{
-	return  addr_match(&fl->fl6_dst, &sel->daddr, sel->prefixlen_d) &&
-		addr_match(&fl->fl6_src, &sel->saddr, sel->prefixlen_s) &&
-		!((xfrm_flowi_dport(fl) ^ sel->dport) & sel->dport_mask) &&
-		!((xfrm_flowi_sport(fl) ^ sel->sport) & sel->sport_mask) &&
-		(fl->proto == sel->proto || !sel->proto) &&
-		(fl->oif == sel->ifindex || !sel->ifindex);
-}
-
-static inline int
-xfrm_selector_match(struct xfrm_selector *sel, struct flowi *fl,
-		    unsigned short family)
-{
-	switch (family) {
-	case AF_INET:
-		return __xfrm4_selector_match(sel, fl);
-	case AF_INET6:
-		return __xfrm6_selector_match(sel, fl);
-	}
-	return 0;
-}
+extern int xfrm_selector_match(struct xfrm_selector *sel, struct flowi *fl,
+			       unsigned short family);
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
 /*	If neither has a context --> match
@@ -887,8 +860,7 @@ struct xfrm_tunnel {
 struct xfrm6_tunnel {
 	int (*handler)(struct sk_buff *skb);
 	int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
-			   int type, int code, int offset, __u32 info);
-
+			   int type, int code, int offset, __be32 info);
 	struct xfrm6_tunnel *next;
 	int priority;
 };
@@ -951,9 +923,9 @@ extern int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
 			    xfrm_address_t *saddr, u8 proto);
 extern int xfrm6_tunnel_register(struct xfrm6_tunnel *handler);
 extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler);
-extern u32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr);
+extern __be32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr);
 extern void xfrm6_tunnel_free_spi(xfrm_address_t *saddr);
-extern u32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr);
+extern __be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr);
 extern int xfrm6_output(struct sk_buff *skb);
 extern int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
 				 u8 **prevhdr);
@@ -1000,7 +972,7 @@ extern int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *xdst,
 extern void xfrm_init_pmtu(struct dst_entry *dst);
 
 extern wait_queue_head_t km_waitq;
-extern int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport);
+extern int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
 extern void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid);
 extern int km_report(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
 
@@ -1033,7 +1005,7 @@ static inline int xfrm_addr_cmp(xfrm_address_t *a, xfrm_address_t *b,
 	switch (family) {
 	default:
 	case AF_INET:
-		return a->a4 - b->a4;
+		return (__force __u32)a->a4 - (__force __u32)b->a4;
 	case AF_INET6:
 		return ipv6_addr_cmp((struct in6_addr *)a,
 				     (struct in6_addr *)b);