45 files changed, 2495 insertions, 349 deletions

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 088e5dded8dc..c33305d8e5eb 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -518,7 +518,7 @@ show_cpuinfo (struct seq_file *m, void *v)
         char family[32], features[128], *cp, sep;
         struct cpuinfo_ia64 *c = v;
         unsigned long mask;
-        unsigned int proc_freq;
+        unsigned long proc_freq;
         int i;
 
         mask = c->features;
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 20d76fae24e8..30dbc98bf0b3 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -700,7 +700,7 @@ int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size)
  */
 int ia64_pci_legacy_write(struct pci_dev *bus, u16 port, u32 val, u8 size)
 {
-        int ret = 0;
+        int ret = size;
 
         switch (size) {
         case 1:
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 08edbfcfca58..3fefdb0cbf07 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -403,7 +403,7 @@ static struct {
         { PCI_CHIP_MACH64GM, "3D RAGE XL (Mach64 GM, AGP)", 230, 83, 63, ATI_CHIP_264XL },
         { PCI_CHIP_MACH64GN, "3D RAGE XL (Mach64 GN, AGP)", 230, 83, 63, ATI_CHIP_264XL },
         { PCI_CHIP_MACH64GO, "3D RAGE XL (Mach64 GO, PCI-66/BGA)", 230, 83, 63, ATI_CHIP_264XL },
-        { PCI_CHIP_MACH64GR, "3D RAGE XL (Mach64 GR, PCI-33MHz)", 230, 83, 63, ATI_CHIP_264XL },
+        { PCI_CHIP_MACH64GR, "3D RAGE XL (Mach64 GR, PCI-33MHz)", 235, 83, 63, ATI_CHIP_264XL | M64F_SDRAM_MAGIC_PLL },
         { PCI_CHIP_MACH64GL, "3D RAGE XL (Mach64 GL, PCI)", 230, 83, 63, ATI_CHIP_264XL },
         { PCI_CHIP_MACH64GS, "3D RAGE XL (Mach64 GS, PCI)", 230, 83, 63, ATI_CHIP_264XL },
 
diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/linux/netfilter/nfnetlink_conntrack.h
index 116fcaced909..668ec946c8e2 100644
--- a/include/linux/netfilter/nfnetlink_conntrack.h
+++ b/include/linux/netfilter/nfnetlink_conntrack.h
@@ -64,6 +64,9 @@ enum ctattr_l4proto {
         CTA_PROTO_ICMP_ID,
         CTA_PROTO_ICMP_TYPE,
         CTA_PROTO_ICMP_CODE,
+        CTA_PROTO_ICMPV6_ID,
+        CTA_PROTO_ICMPV6_TYPE,
+        CTA_PROTO_ICMPV6_CODE,
         __CTA_PROTO_MAX
 };
 #define CTA_PROTO_MAX (__CTA_PROTO_MAX - 1)
@@ -128,6 +131,4 @@ enum ctattr_help {
 };
 #define CTA_HELP_MAX (__CTA_HELP_MAX - 1)
 
-#define CTA_HELP_MAXNAMESIZE    32
-
 #endif /* _IPCONNTRACK_NETLINK_H */
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
index 2efc046d9e94..c163ba31aab7 100644
--- a/include/linux/netfilter_ipv6/ip6_tables.h
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -474,7 +474,11 @@ extern unsigned int ip6t_do_table(struct sk_buff **pskb,
 extern int ip6t_ext_hdr(u8 nexthdr);
 /* find specified header and get offset to it */
 extern int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
-                         u8 target);
+                         int target, unsigned short *fragoff);
+
+extern int ip6_masked_addrcmp(const struct in6_addr *addr1,
+                              const struct in6_addr *mask,
+                              const struct in6_addr *addr2);
 
 #define IP6T_ALIGN(s) (((s) + (__alignof__(struct ip6t_entry)-1)) & ~(__alignof__(struct ip6t_entry)-1))
 
diff --git a/include/net/ip.h b/include/net/ip.h
index f7e7fd728b67..7bb5804847f2 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -317,7 +317,6 @@ enum ip_defrag_users
         IP_DEFRAG_CALL_RA_CHAIN,
         IP_DEFRAG_CONNTRACK_IN,
         IP_DEFRAG_CONNTRACK_OUT,
-        IP_DEFRAG_NAT_OUT,
         IP_DEFRAG_VS_IN,
         IP_DEFRAG_VS_OUT,
         IP_DEFRAG_VS_FWD
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index cc4825610795..64b82b74a650 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -94,6 +94,9 @@ struct nf_conn
         /* Current number of expected connections */
         unsigned int expecting;
 
+        /* Unique ID that identifies this conntrack*/
+        unsigned int id;
+
         /* Helper. if any */
         struct nf_conntrack_helper *helper;
 
@@ -140,6 +143,9 @@ struct nf_conntrack_expect
         /* Usage count. */
         atomic_t use;
 
+        /* Unique ID */
+        unsigned int id;
+
         /* Flags */
         unsigned int flags;
 
@@ -190,6 +196,31 @@ static inline void nf_ct_put(struct nf_conn *ct)
         nf_conntrack_put(&ct->ct_general);
 }
 
+extern struct nf_conntrack_tuple_hash *
+__nf_conntrack_find(const struct nf_conntrack_tuple *tuple,
+                    const struct nf_conn *ignored_conntrack);
+
+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 *
+nf_ct_helper_find_get( const struct nf_conntrack_tuple *tuple);
+extern void nf_ct_helper_put(struct nf_conntrack_helper *helper);
+
+extern struct nf_conntrack_helper *
+__nf_conntrack_helper_find_byname(const char *name);
+
 /* call to create an explicit dependency on nf_conntrack. */
 extern void need_nf_conntrack(void);
 
diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h
index 5a66b2a3a623..86ec8174ad02 100644
--- a/include/net/netfilter/nf_conntrack_helper.h
+++ b/include/net/netfilter/nf_conntrack_helper.h
@@ -33,6 +33,8 @@ struct nf_conntrack_helper
                     unsigned int protoff,
                     struct nf_conn *ct,
                     enum ip_conntrack_info conntrackinfo);
+
+        int (*to_nfattr)(struct sk_buff *skb, const struct nf_conn *ct);
 };
 
 extern int nf_conntrack_helper_register(struct nf_conntrack_helper *);
diff --git a/include/net/netfilter/nf_conntrack_l3proto.h b/include/net/netfilter/nf_conntrack_l3proto.h
index 01663e5b33df..67856eb93b43 100644
--- a/include/net/netfilter/nf_conntrack_l3proto.h
+++ b/include/net/netfilter/nf_conntrack_l3proto.h
@@ -14,6 +14,8 @@
 #include <linux/seq_file.h>
 #include <net/netfilter/nf_conntrack.h>
 
+struct nfattr;
+
 struct nf_conntrack_l3proto
 {
         /* Next pointer. */
@@ -70,6 +72,12 @@ struct nf_conntrack_l3proto
 
         u_int32_t (*get_features)(const struct nf_conntrack_tuple *tuple);
 
+        int (*tuple_to_nfattr)(struct sk_buff *skb,
+                               const struct nf_conntrack_tuple *t);
+
+        int (*nfattr_to_tuple)(struct nfattr *tb[],
+                               struct nf_conntrack_tuple *t);
+
         /* Module (if any) which this is connected to. */
         struct module *me;
 };
@@ -81,11 +89,16 @@ extern int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto);
 extern void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto);
 
 static inline struct nf_conntrack_l3proto *
-nf_ct_find_l3proto(u_int16_t l3proto)
+__nf_ct_l3proto_find(u_int16_t l3proto)
 {
         return nf_ct_l3protos[l3proto];
 }
 
+extern struct nf_conntrack_l3proto *
+nf_ct_l3proto_find_get(u_int16_t l3proto);
+
+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;
diff --git a/include/net/netfilter/nf_conntrack_protocol.h b/include/net/netfilter/nf_conntrack_protocol.h
index b3afda35397a..1f33737fcea5 100644
--- a/include/net/netfilter/nf_conntrack_protocol.h
+++ b/include/net/netfilter/nf_conntrack_protocol.h
@@ -12,6 +12,7 @@
 #include <net/netfilter/nf_conntrack.h>
 
 struct seq_file;
+struct nfattr;
 
 struct nf_conntrack_protocol
 {
@@ -66,6 +67,18 @@ struct nf_conntrack_protocol
                      enum ip_conntrack_info *ctinfo,
                      int pf, unsigned int hooknum);
 
+        /* convert protoinfo to nfnetink attributes */
+        int (*to_nfattr)(struct sk_buff *skb, struct nfattr *nfa,
+                         const struct nf_conn *ct);
+
+        /* convert nfnetlink attributes to protoinfo */
+        int (*from_nfattr)(struct nfattr *tb[], struct nf_conn *ct);
+
+        int (*tuple_to_nfattr)(struct sk_buff *skb,
+                               const struct nf_conntrack_tuple *t);
+        int (*nfattr_to_tuple)(struct nfattr *tb[],
+                               struct nf_conntrack_tuple *t);
+
         /* Module (if any) which this is connected to. */
         struct module *me;
 };
@@ -80,12 +93,23 @@ extern struct nf_conntrack_protocol nf_conntrack_generic_protocol;
 extern struct nf_conntrack_protocol **nf_ct_protos[PF_MAX];
 
 extern struct nf_conntrack_protocol *
-nf_ct_find_proto(u_int16_t l3proto, u_int8_t protocol);
+__nf_ct_proto_find(u_int16_t l3proto, u_int8_t protocol);
+
+extern struct nf_conntrack_protocol *
+nf_ct_proto_find_get(u_int16_t l3proto, u_int8_t protocol);
+
+extern void nf_ct_proto_put(struct nf_conntrack_protocol *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);
 
+/* Generic netlink helpers */
+extern int nf_ct_port_tuple_to_nfattr(struct sk_buff *skb,
+                                      const struct nf_conntrack_tuple *tuple);
+extern int nf_ct_port_nfattr_to_tuple(struct nfattr *tb[],
+                                      struct nf_conntrack_tuple *t);
+
 /* Log invalid packets */
 extern unsigned int nf_ct_log_invalid;
 
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 2a830de3a699..71da31818cfc 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -202,13 +202,11 @@ static inline int ip_finish_output2(struct sk_buff *skb)
 
 static inline int ip_finish_output(struct sk_buff *skb)
 {
-        struct net_device *dev = skb->dst->dev;
-
-        skb->dev = dev;
-        skb->protocol = htons(ETH_P_IP);
-
-        return NF_HOOK(PF_INET, NF_IP_POST_ROUTING, skb, NULL, dev,
-                       ip_finish_output2);
+        if (skb->len > dst_mtu(skb->dst) &&
+            !(skb_shinfo(skb)->ufo_size || skb_shinfo(skb)->tso_size))
+                return ip_fragment(skb, ip_finish_output2);
+        else
+                return ip_finish_output2(skb);
 }
 
 int ip_mc_output(struct sk_buff *skb)
@@ -265,21 +263,21 @@ int ip_mc_output(struct sk_buff *skb)
                                 newskb->dev, ip_dev_loopback_xmit);
         }
 
-        if (skb->len > dst_mtu(&rt->u.dst))
-                return ip_fragment(skb, ip_finish_output);
-        else
-                return ip_finish_output(skb);
+        return NF_HOOK(PF_INET, NF_IP_POST_ROUTING, skb, NULL, skb->dev,
+                       ip_finish_output);
 }
 
 int ip_output(struct sk_buff *skb)
 {
+        struct net_device *dev = skb->dst->dev;
+
         IP_INC_STATS(IPSTATS_MIB_OUTREQUESTS);
 
-        if (skb->len > dst_mtu(skb->dst) &&
-                !(skb_shinfo(skb)->ufo_size || skb_shinfo(skb)->tso_size))
-                return ip_fragment(skb, ip_finish_output);
-        else
-                return ip_finish_output(skb);
+        skb->dev = dev;
+        skb->protocol = htons(ETH_P_IP);
+
+        return NF_HOOK(PF_INET, NF_IP_POST_ROUTING, skb, NULL, dev,
+                       ip_finish_output);
 }
 
 int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
diff --git a/net/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c
index 1aca94a9fd8b..3f47ad8e1cad 100644
--- a/net/ipv4/ipvs/ip_vs_core.c
+++ b/net/ipv4/ipvs/ip_vs_core.c
@@ -532,11 +532,8 @@ static unsigned int ip_vs_post_routing(unsigned int hooknum,
 {
         if (!((*pskb)->ipvs_property))
                 return NF_ACCEPT;
-
         /* The packet was sent from IPVS, exit this chain */
-        (*okfn)(*pskb);
-
-        return NF_STOLEN;
+        return NF_STOP;
 }
 
 u16 ip_vs_checksum_complete(struct sk_buff *skb, int offset)
diff --git a/net/ipv4/ipvs/ip_vs_est.c b/net/ipv4/ipvs/ip_vs_est.c
index e7004741ac73..c453e1e57f4b 100644
--- a/net/ipv4/ipvs/ip_vs_est.c
+++ b/net/ipv4/ipvs/ip_vs_est.c
@@ -18,6 +18,7 @@
 #include <linux/jiffies.h>
 #include <linux/slab.h>
 #include <linux/types.h>
+#include <linux/interrupt.h>
 
 #include <net/ip_vs.h>
 
diff --git a/net/ipv4/ipvs/ip_vs_sched.c b/net/ipv4/ipvs/ip_vs_sched.c
index 0f7c56a225bd..8bc42b76223d 100644
--- a/net/ipv4/ipvs/ip_vs_sched.c
+++ b/net/ipv4/ipvs/ip_vs_sched.c
@@ -22,6 +22,7 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
+#include <linux/interrupt.h>
 #include <asm/string.h>
 #include <linux/kmod.h>
 
diff --git a/net/ipv4/netfilter/ip_conntrack_amanda.c b/net/ipv4/netfilter/ip_conntrack_amanda.c
index 0366eedb4d70..84e4f79b7ffa 100644
--- a/net/ipv4/netfilter/ip_conntrack_amanda.c
+++ b/net/ipv4/netfilter/ip_conntrack_amanda.c
@@ -36,7 +36,7 @@ static unsigned int master_timeout = 300;
 MODULE_AUTHOR("Brian J. Murrell <netfilter@interlinx.bc.ca>");
 MODULE_DESCRIPTION("Amanda connection tracking module");
 MODULE_LICENSE("GPL");
-module_param(master_timeout, int, 0600);
+module_param(master_timeout, uint, 0600);
 MODULE_PARM_DESC(master_timeout, "timeout for the master connection");
 
 static const char *conns[] = { "DATA ", "MESG ", "INDEX " };
diff --git a/net/ipv4/netfilter/ip_conntrack_ftp.c b/net/ipv4/netfilter/ip_conntrack_ftp.c
index 68b173bcda60..e627e5856172 100644
--- a/net/ipv4/netfilter/ip_conntrack_ftp.c
+++ b/net/ipv4/netfilter/ip_conntrack_ftp.c
@@ -34,7 +34,7 @@ static int ports_c;
 module_param_array(ports, ushort, &ports_c, 0400);
 
 static int loose;
-module_param(loose, int, 0600);
+module_param(loose, bool, 0600);
 
 unsigned int (*ip_nat_ftp_hook)(struct sk_buff **pskb,
                                 enum ip_conntrack_info ctinfo,
diff --git a/net/ipv4/netfilter/ip_conntrack_irc.c b/net/ipv4/netfilter/ip_conntrack_irc.c
index d7c40421d0d1..c51a2cf71b4b 100644
--- a/net/ipv4/netfilter/ip_conntrack_irc.c
+++ b/net/ipv4/netfilter/ip_conntrack_irc.c
@@ -36,7 +36,7 @@
 #define MAX_PORTS 8
 static unsigned short ports[MAX_PORTS];
 static int ports_c;
-static int max_dcc_channels = 8;
+static unsigned int max_dcc_channels = 8;
 static unsigned int dcc_timeout = 300;
 /* This is slow, but it's simple. --RR */
 static char *irc_buffer;
@@ -54,9 +54,9 @@ MODULE_DESCRIPTION("IRC (DCC) connection tracking helper");
 MODULE_LICENSE("GPL");
 module_param_array(ports, ushort, &ports_c, 0400);
 MODULE_PARM_DESC(ports, "port numbers of IRC servers");
-module_param(max_dcc_channels, int, 0400);
+module_param(max_dcc_channels, uint, 0400);
 MODULE_PARM_DESC(max_dcc_channels, "max number of expected DCC channels per IRC session");
-module_param(dcc_timeout, int, 0400);
+module_param(dcc_timeout, uint, 0400);
 MODULE_PARM_DESC(dcc_timeout, "timeout on for unestablished DCC channels");
 
 static const char *dccprotos[] = { "SEND ", "CHAT ", "MOVE ", "TSEND ", "SCHAT " };
@@ -254,10 +254,6 @@ static int __init init(void)
                 printk("ip_conntrack_irc: max_dcc_channels must be a positive integer\n");
                 return -EBUSY;
         }
-        if (dcc_timeout < 0) {
-                printk("ip_conntrack_irc: dcc_timeout must be a positive integer\n");
-                return -EBUSY;
-        }
 
         irc_buffer = kmalloc(65536, GFP_KERNEL);
         if (!irc_buffer)
diff --git a/net/ipv4/netfilter/ip_conntrack_netbios_ns.c b/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
index 186646eb249f..4e68e16a2612 100644
--- a/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
+++ b/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
@@ -37,7 +37,7 @@ MODULE_DESCRIPTION("NetBIOS name service broadcast connection tracking helper");
 MODULE_LICENSE("GPL");
 
 static unsigned int timeout = 3;
-module_param(timeout, int, 0600);
+module_param(timeout, uint, 0400);
 MODULE_PARM_DESC(timeout, "timeout for master connection/replies in seconds");
 
 static int help(struct sk_buff **pskb,
diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c
index 91fe8f2e38ff..c9ebbe0d2d9c 100644
--- a/net/ipv4/netfilter/ip_conntrack_netlink.c
+++ b/net/ipv4/netfilter/ip_conntrack_netlink.c
@@ -79,6 +79,7 @@ ctnetlink_dump_tuples(struct sk_buff *skb,
                       const struct ip_conntrack_tuple *tuple)
 {
         struct nfattr *nest_parms;
+        int ret;
         
         nest_parms = NFA_NEST(skb, CTA_TUPLE_IP);
         NFA_PUT(skb, CTA_IP_V4_SRC, sizeof(u_int32_t), &tuple->src.ip);
@@ -86,10 +87,10 @@ ctnetlink_dump_tuples(struct sk_buff *skb,
         NFA_NEST_END(skb, nest_parms);
 
         nest_parms = NFA_NEST(skb, CTA_TUPLE_PROTO);
-        ctnetlink_dump_tuples_proto(skb, tuple);
+        ret = ctnetlink_dump_tuples_proto(skb, tuple);
         NFA_NEST_END(skb, nest_parms);
 
-        return 0;
+        return ret;
 
 nfattr_failure:
         return -1;
@@ -160,7 +161,7 @@ ctnetlink_dump_helpinfo(struct sk_buff *skb, const struct ip_conntrack *ct)
                 return 0;
                 
         nest_helper = NFA_NEST(skb, CTA_HELP);
-        NFA_PUT(skb, CTA_HELP_NAME, CTA_HELP_MAXNAMESIZE, &ct->helper->name);
+        NFA_PUT(skb, CTA_HELP_NAME, strlen(ct->helper->name), ct->helper->name);
 
         if (ct->helper->to_nfattr)
                 ct->helper->to_nfattr(skb, ct);
@@ -229,7 +230,7 @@ nfattr_failure:
 static inline int
 ctnetlink_dump_use(struct sk_buff *skb, const struct ip_conntrack *ct)
 {
-        unsigned int use = htonl(atomic_read(&ct->ct_general.use));
+        u_int32_t use = htonl(atomic_read(&ct->ct_general.use));
         
         NFA_PUT(skb, CTA_USE, sizeof(u_int32_t), &use);
         return 0;
@@ -311,29 +312,22 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
         if (events & IPCT_DESTROY) {
                 type = IPCTNL_MSG_CT_DELETE;
                 group = NFNLGRP_CONNTRACK_DESTROY;
-                goto alloc_skb;
-        }
-        if (events & (IPCT_NEW | IPCT_RELATED)) {
+        } else if (events & (IPCT_NEW | IPCT_RELATED)) {
                 type = IPCTNL_MSG_CT_NEW;
                 flags = NLM_F_CREATE|NLM_F_EXCL;
                 /* dump everything */
                 events = ~0UL;
                 group = NFNLGRP_CONNTRACK_NEW;
-                goto alloc_skb;
-        }
-        if (events & (IPCT_STATUS |
+        } else if (events & (IPCT_STATUS |
                       IPCT_PROTOINFO |
                       IPCT_HELPER |
                       IPCT_HELPINFO |
                       IPCT_NATINFO)) {
                 type = IPCTNL_MSG_CT_NEW;
                 group = NFNLGRP_CONNTRACK_UPDATE;
-                goto alloc_skb;
-        } 
+        } else 
+                return NOTIFY_DONE;
         
-        return NOTIFY_DONE;
-
-alloc_skb:
   /* FIXME: Check if there are any listeners before, don't hurt performance */
         
         skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
@@ -1037,6 +1031,11 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
                         return err;
         }
 
+#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
+        if (cda[CTA_MARK-1])
+                ct->mark = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_MARK-1]));
+#endif
+
         ct->helper = ip_conntrack_helper_find_get(rtuple);
 
         add_timer(&ct->timeout);
@@ -1045,11 +1044,6 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
         if (ct->helper)
                 ip_conntrack_helper_put(ct->helper);
 
-#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
-        if (cda[CTA_MARK-1])
-                ct->mark = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_MARK-1]));
-#endif
-
         DEBUGP("conntrack with id %u inserted\n", ct->id);
         return 0;
 
@@ -1209,7 +1203,6 @@ static int ctnetlink_expect_event(struct notifier_block *this,
         unsigned int type;
         unsigned char *b;
         int flags = 0;
-        u16 proto;
 
         if (events & IPEXP_NEW) {
                 type = IPCTNL_MSG_EXP_NEW;
@@ -1236,7 +1229,6 @@ static int ctnetlink_expect_event(struct notifier_block *this,
                 goto nfattr_failure;
 
         nlh->nlmsg_len = skb->tail - b;
-        proto = exp->tuple.dst.protonum;
         nfnetlink_send(skb, 0, NFNLGRP_CONNTRACK_EXP_NEW, 0);
         return NOTIFY_DONE;
 
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_icmp.c b/net/ipv4/netfilter/ip_conntrack_proto_icmp.c
index 5f9925db608e..30fc21d6165a 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_icmp.c
@@ -47,20 +47,21 @@ static int icmp_pkt_to_tuple(const struct sk_buff *skb,
         return 1;
 }
 
+/* Add 1; spaces filled with 0. */
+static const u_int8_t invmap[] = {
+        [ICMP_ECHO] = ICMP_ECHOREPLY + 1,
+        [ICMP_ECHOREPLY] = ICMP_ECHO + 1,
+        [ICMP_TIMESTAMP] = ICMP_TIMESTAMPREPLY + 1,
+        [ICMP_TIMESTAMPREPLY] = ICMP_TIMESTAMP + 1,
+        [ICMP_INFO_REQUEST] = ICMP_INFO_REPLY + 1,
+        [ICMP_INFO_REPLY] = ICMP_INFO_REQUEST + 1,
+        [ICMP_ADDRESS] = ICMP_ADDRESSREPLY + 1,
+        [ICMP_ADDRESSREPLY] = ICMP_ADDRESS + 1
+};
+
 static int icmp_invert_tuple(struct ip_conntrack_tuple *tuple,
                              const struct ip_conntrack_tuple *orig)
 {
-        /* Add 1; spaces filled with 0. */
-        static const u_int8_t invmap[]
-                = { [ICMP_ECHO] = ICMP_ECHOREPLY + 1,
-                    [ICMP_ECHOREPLY] = ICMP_ECHO + 1,
-                    [ICMP_TIMESTAMP] = ICMP_TIMESTAMPREPLY + 1,
-                    [ICMP_TIMESTAMPREPLY] = ICMP_TIMESTAMP + 1,
-                    [ICMP_INFO_REQUEST] = ICMP_INFO_REPLY + 1,
-                    [ICMP_INFO_REPLY] = ICMP_INFO_REQUEST + 1,
-                    [ICMP_ADDRESS] = ICMP_ADDRESSREPLY + 1,
-                    [ICMP_ADDRESSREPLY] = ICMP_ADDRESS + 1};
-
         if (orig->dst.u.icmp.type >= sizeof(invmap)
             || !invmap[orig->dst.u.icmp.type])
                 return 0;
@@ -110,17 +111,17 @@ static int icmp_packet(struct ip_conntrack *ct,
         return NF_ACCEPT;
 }
 
-static const u_int8_t valid_new[] = { 
-        [ICMP_ECHO] = 1,
-        [ICMP_TIMESTAMP] = 1,
-        [ICMP_INFO_REQUEST] = 1,
-        [ICMP_ADDRESS] = 1 
-};
-
 /* Called when a new connection for this protocol found. */
 static int icmp_new(struct ip_conntrack *conntrack,
                     const struct sk_buff *skb)
 {
+        static const u_int8_t valid_new[] = { 
+                [ICMP_ECHO] = 1,
+                [ICMP_TIMESTAMP] = 1,
+                [ICMP_INFO_REQUEST] = 1,
+                [ICMP_ADDRESS] = 1 
+        };
+
         if (conntrack->tuplehash[0].tuple.dst.u.icmp.type >= sizeof(valid_new)
             || !valid_new[conntrack->tuplehash[0].tuple.dst.u.icmp.type]) {
                 /* Can't create a new ICMP `conn' with this. */
@@ -279,10 +280,6 @@ static int icmp_tuple_to_nfattr(struct sk_buff *skb,
         NFA_PUT(skb, CTA_PROTO_ICMP_CODE, sizeof(u_int8_t),
                 &t->dst.u.icmp.code);
 
-        if (t->dst.u.icmp.type >= sizeof(valid_new) 
-            || !valid_new[t->dst.u.icmp.type])
-                return -EINVAL;
-
         return 0;
 
 nfattr_failure:
@@ -295,7 +292,7 @@ static int icmp_nfattr_to_tuple(struct nfattr *tb[],
         if (!tb[CTA_PROTO_ICMP_TYPE-1]
             || !tb[CTA_PROTO_ICMP_CODE-1]
             || !tb[CTA_PROTO_ICMP_ID-1])
-                return -1;
+                return -EINVAL;
 
         tuple->dst.u.icmp.type = 
                         *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMP_TYPE-1]);
@@ -304,6 +301,10 @@ static int icmp_nfattr_to_tuple(struct nfattr *tb[],
         tuple->src.u.icmp.id =
                         *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_ICMP_ID-1]);
 
+        if (tuple->dst.u.icmp.type >= sizeof(invmap)
+            || !invmap[tuple->dst.u.icmp.type])
+                return -EINVAL;
+
         return 0;
 }
 #endif
diff --git a/net/ipv4/netfilter/ip_conntrack_standalone.c b/net/ipv4/netfilter/ip_conntrack_standalone.c
index a88bcc551244..7ba97783e741 100644
--- a/net/ipv4/netfilter/ip_conntrack_standalone.c
+++ b/net/ipv4/netfilter/ip_conntrack_standalone.c
@@ -451,30 +451,6 @@ static unsigned int ip_conntrack_defrag(unsigned int hooknum,
         return NF_ACCEPT;
 }
 
-static unsigned int ip_refrag(unsigned int hooknum,
-                              struct sk_buff **pskb,
-                              const struct net_device *in,
-                              const struct net_device *out,
-                              int (*okfn)(struct sk_buff *))
-{
-        struct rtable *rt = (struct rtable *)(*pskb)->dst;
-
-        /* We've seen it coming out the other side: confirm */
-        if (ip_confirm(hooknum, pskb, in, out, okfn) != NF_ACCEPT)
-                return NF_DROP;
-
-        /* Local packets are never produced too large for their
-           interface.  We degfragment them at LOCAL_OUT, however,
-           so we have to refragment them here. */
-        if ((*pskb)->len > dst_mtu(&rt->u.dst) &&
-            !skb_shinfo(*pskb)->tso_size) {
-                /* No hook can be after us, so this should be OK. */
-                ip_fragment(*pskb, okfn);
-                return NF_STOLEN;
-        }
-        return NF_ACCEPT;
-}
-
 static unsigned int ip_conntrack_local(unsigned int hooknum,
                                        struct sk_buff **pskb,
                                        const struct net_device *in,
@@ -544,7 +520,7 @@ static struct nf_hook_ops ip_conntrack_helper_in_ops = {
 
 /* Refragmenter; last chance. */
 static struct nf_hook_ops ip_conntrack_out_ops = {
-        .hook           = ip_refrag,
+        .hook           = ip_confirm,
         .owner          = THIS_MODULE,
         .pf             = PF_INET,
         .hooknum        = NF_IP_POST_ROUTING,
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index 30cd4e18c129..f04111f74e09 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -190,23 +190,6 @@ ip_nat_out(unsigned int hooknum,
             || (*pskb)->nh.iph->ihl * 4 < sizeof(struct iphdr))
                 return NF_ACCEPT;
 
-        /* We can hit fragment here; forwarded packets get
-           defragmented by connection tracking coming in, then
-           fragmented (grr) by the forward code.
-
-           In future: If we have nfct != NULL, AND we have NAT
-           initialized, AND there is no helper, then we can do full
-           NAPT on the head, and IP-address-only NAT on the rest.
-
-           I'm starting to have nightmares about fragments.  */
-
-        if ((*pskb)->nh.iph->frag_off & htons(IP_MF|IP_OFFSET)) {
-                *pskb = ip_ct_gather_frags(*pskb, IP_DEFRAG_NAT_OUT);
-
-                if (!*pskb)
-                        return NF_STOLEN;
-        }
-
         return ip_nat_fn(hooknum, pskb, in, out, okfn);
 }
 
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index f057025a719e..6693526ae128 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -203,7 +203,7 @@ static void send_reset(struct sk_buff *oldskb, int hook)
                                                 sizeof(struct tcphdr), 0));
 
         /* Adjust IP TTL, DF */
-        nskb->nh.iph->ttl = MAXTTL;
+        nskb->nh.iph->ttl = dst_metric(nskb->dst, RTAX_HOPLIMIT);
         /* Set DF, id = 0 */
         nskb->nh.iph->frag_off = htons(IP_DF);
         nskb->nh.iph->id = 0;
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index 2883ccd8a91d..38641cd06123 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -77,15 +77,15 @@ MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_NFLOG);
 #define PRINTR(format, args...) do { if (net_ratelimit()) printk(format , ## args); } while (0)
 
 static unsigned int nlbufsiz = 4096;
-module_param(nlbufsiz, uint, 0600); /* FIXME: Check size < 128k --RR */
+module_param(nlbufsiz, uint, 0400);
 MODULE_PARM_DESC(nlbufsiz, "netlink buffer size");
 
 static unsigned int flushtimeout = 10;
-module_param(flushtimeout, int, 0600);
+module_param(flushtimeout, uint, 0600);
 MODULE_PARM_DESC(flushtimeout, "buffer flush timeout (hundredths of a second)");
 
-static unsigned int nflog = 1;
-module_param(nflog, int, 0400);
+static int nflog = 1;
+module_param(nflog, bool, 0400);
 MODULE_PARM_DESC(nflog, "register as internal netfilter logging module");
 
 /* global data structures */
@@ -376,7 +376,7 @@ static int __init init(void)
 
         DEBUGP("ipt_ULOG: init module\n");
 
-        if (nlbufsiz >= 128*1024) {
+        if (nlbufsiz > 128*1024) {
                 printk("Netlink buffer has to be <= 128kB\n");
                 return -EINVAL;
         }
diff --git a/net/ipv4/netfilter/ipt_recent.c b/net/ipv4/netfilter/ipt_recent.c
index 261cbb4d4c49..5ddccb18c65e 100644
--- a/net/ipv4/netfilter/ipt_recent.c
+++ b/net/ipv4/netfilter/ipt_recent.c
@@ -24,10 +24,10 @@
 #define HASH_LOG 9
 
 /* Defaults, these can be overridden on the module command-line. */
-static int ip_list_tot = 100;
-static int ip_pkt_list_tot = 20;
-static int ip_list_hash_size = 0;
-static int ip_list_perms = 0644;
+static unsigned int ip_list_tot = 100;
+static unsigned int ip_pkt_list_tot = 20;
+static unsigned int ip_list_hash_size = 0;
+static unsigned int ip_list_perms = 0644;
 #ifdef DEBUG
 static int debug = 1;
 #endif
@@ -38,13 +38,13 @@ KERN_INFO RECENT_NAME " " RECENT_VER ": Stephen Frost <sfrost@snowman.net>.  htt
 MODULE_AUTHOR("Stephen Frost <sfrost@snowman.net>");
 MODULE_DESCRIPTION("IP tables recently seen matching module " RECENT_VER);
 MODULE_LICENSE("GPL");
-module_param(ip_list_tot, int, 0400);
-module_param(ip_pkt_list_tot, int, 0400);
-module_param(ip_list_hash_size, int, 0400);
-module_param(ip_list_perms, int, 0400);
+module_param(ip_list_tot, uint, 0400);
+module_param(ip_pkt_list_tot, uint, 0400);
+module_param(ip_list_hash_size, uint, 0400);
+module_param(ip_list_perms, uint, 0400);
 #ifdef DEBUG
-module_param(debug, int, 0600);
-MODULE_PARM_DESC(debug,"debugging level, defaults to 1");
+module_param(debug, bool, 0600);
+MODULE_PARM_DESC(debug,"enable debugging output");
 #endif
 MODULE_PARM_DESC(ip_list_tot,"number of IPs to remember per list");
 MODULE_PARM_DESC(ip_pkt_list_tot,"number of packets per IP to remember");
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 8202c1c0afad..9bdbb7793971 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -22,6 +22,7 @@
 #include <linux/skbuff.h>
 #include <linux/icmp.h>
 #include <linux/sysctl.h>
+#include <net/route.h>
 #include <net/ip.h>
 
 #include <linux/netfilter_ipv4.h>
@@ -180,30 +181,6 @@ static unsigned int ipv4_conntrack_defrag(unsigned int hooknum,
         return NF_ACCEPT;
 }
 
-static unsigned int ipv4_refrag(unsigned int hooknum,
-                                struct sk_buff **pskb,
-                                const struct net_device *in,
-                                const struct net_device *out,
-                                int (*okfn)(struct sk_buff *))
-{
-        struct rtable *rt = (struct rtable *)(*pskb)->dst;
-
-        /* We've seen it coming out the other side: confirm */
-        if (ipv4_confirm(hooknum, pskb, in, out, okfn) != NF_ACCEPT)
-                return NF_DROP;
-
-        /* Local packets are never produced too large for their
-           interface.  We degfragment them at LOCAL_OUT, however,
-           so we have to refragment them here. */
-        if ((*pskb)->len > dst_mtu(&rt->u.dst) &&
-            !skb_shinfo(*pskb)->tso_size) {
-                /* No hook can be after us, so this should be OK. */
-                ip_fragment(*pskb, okfn);
-                return NF_STOLEN;
-        }
-        return NF_ACCEPT;
-}
-
 static unsigned int ipv4_conntrack_in(unsigned int hooknum,
                                       struct sk_buff **pskb,
                                       const struct net_device *in,
@@ -283,7 +260,7 @@ static struct nf_hook_ops ipv4_conntrack_helper_in_ops = {
 
 /* Refragmenter; last chance. */
 static struct nf_hook_ops ipv4_conntrack_out_ops = {
-        .hook           = ipv4_refrag,
+        .hook           = ipv4_confirm,
         .owner          = THIS_MODULE,
         .pf             = PF_INET,
         .hooknum        = NF_IP_POST_ROUTING,
@@ -392,6 +369,48 @@ getorigdst(struct sock *sk, int optval, void __user *user, int *len)
         return -ENOENT;
 }
 
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+
+#include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nfnetlink_conntrack.h>
+
+static int ipv4_tuple_to_nfattr(struct sk_buff *skb,
+                                const struct nf_conntrack_tuple *tuple)
+{
+        NFA_PUT(skb, CTA_IP_V4_SRC, sizeof(u_int32_t),
+                &tuple->src.u3.ip);
+        NFA_PUT(skb, CTA_IP_V4_DST, sizeof(u_int32_t),
+                &tuple->dst.u3.ip);
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+
+static const size_t cta_min_ip[CTA_IP_MAX] = {
+        [CTA_IP_V4_SRC-1]       = sizeof(u_int32_t),
+        [CTA_IP_V4_DST-1]       = sizeof(u_int32_t),
+};
+
+static int ipv4_nfattr_to_tuple(struct nfattr *tb[],
+                                struct nf_conntrack_tuple *t)
+{
+        if (!tb[CTA_IP_V4_SRC-1] || !tb[CTA_IP_V4_DST-1])
+                return -EINVAL;
+
+        if (nfattr_bad_size(tb, CTA_IP_MAX, cta_min_ip))
+                return -EINVAL;
+
+        t->src.u3.ip =
+                *(u_int32_t *)NFA_DATA(tb[CTA_IP_V4_SRC-1]);
+        t->dst.u3.ip =
+                *(u_int32_t *)NFA_DATA(tb[CTA_IP_V4_DST-1]);
+
+        return 0;
+}
+#endif
+
 static struct nf_sockopt_ops so_getorigdst = {
         .pf             = PF_INET,
         .get_optmin     = SO_ORIGINAL_DST,
@@ -408,6 +427,11 @@ struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4 = {
         .print_conntrack = ipv4_print_conntrack,
         .prepare         = ipv4_prepare,
         .get_features    = ipv4_get_features,
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+        .tuple_to_nfattr = ipv4_tuple_to_nfattr,
+        .nfattr_to_tuple = ipv4_nfattr_to_tuple,
+#endif
         .me              = THIS_MODULE,
 };
 
diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
index 7ddb5c08f7b8..52dc175be39a 100644
--- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
@@ -50,20 +50,21 @@ static int icmp_pkt_to_tuple(const struct sk_buff *skb,
         return 1;
 }
 
+/* Add 1; spaces filled with 0. */
+static const u_int8_t invmap[] = {
+        [ICMP_ECHO] = ICMP_ECHOREPLY + 1,
+        [ICMP_ECHOREPLY] = ICMP_ECHO + 1,
+        [ICMP_TIMESTAMP] = ICMP_TIMESTAMPREPLY + 1,
+        [ICMP_TIMESTAMPREPLY] = ICMP_TIMESTAMP + 1,
+        [ICMP_INFO_REQUEST] = ICMP_INFO_REPLY + 1,
+        [ICMP_INFO_REPLY] = ICMP_INFO_REQUEST + 1,
+        [ICMP_ADDRESS] = ICMP_ADDRESSREPLY + 1,
+        [ICMP_ADDRESSREPLY] = ICMP_ADDRESS + 1
+};
+
 static int icmp_invert_tuple(struct nf_conntrack_tuple *tuple,
                              const struct nf_conntrack_tuple *orig)
 {
-        /* Add 1; spaces filled with 0. */
-        static u_int8_t invmap[]
-                = { [ICMP_ECHO] = ICMP_ECHOREPLY + 1,
-                    [ICMP_ECHOREPLY] = ICMP_ECHO + 1,
-                    [ICMP_TIMESTAMP] = ICMP_TIMESTAMPREPLY + 1,
-                    [ICMP_TIMESTAMPREPLY] = ICMP_TIMESTAMP + 1,
-                    [ICMP_INFO_REQUEST] = ICMP_INFO_REPLY + 1,
-                    [ICMP_INFO_REPLY] = ICMP_INFO_REQUEST + 1,
-                    [ICMP_ADDRESS] = ICMP_ADDRESSREPLY + 1,
-                    [ICMP_ADDRESSREPLY] = ICMP_ADDRESS + 1};
-
         if (orig->dst.u.icmp.type >= sizeof(invmap)
             || !invmap[orig->dst.u.icmp.type])
                 return 0;
@@ -120,11 +121,12 @@ static int icmp_packet(struct nf_conn *ct,
 static int icmp_new(struct nf_conn *conntrack,
                     const struct sk_buff *skb, unsigned int dataoff)
 {
-        static u_int8_t valid_new[]
-                = { [ICMP_ECHO] = 1,
-                    [ICMP_TIMESTAMP] = 1,
-                    [ICMP_INFO_REQUEST] = 1,
-                    [ICMP_ADDRESS] = 1 };
+        static const u_int8_t valid_new[] = {
+                [ICMP_ECHO] = 1,
+                [ICMP_TIMESTAMP] = 1,
+                [ICMP_INFO_REQUEST] = 1,
+                [ICMP_ADDRESS] = 1
+        };
 
         if (conntrack->tuplehash[0].tuple.dst.u.icmp.type >= sizeof(valid_new)
             || !valid_new[conntrack->tuplehash[0].tuple.dst.u.icmp.type]) {
@@ -168,7 +170,7 @@ icmp_error_message(struct sk_buff *skb,
                 return -NF_ACCEPT;
         }
 
-        innerproto = nf_ct_find_proto(PF_INET, inside->ip.protocol);
+        innerproto = __nf_ct_proto_find(PF_INET, inside->ip.protocol);
         dataoff = skb->nh.iph->ihl*4 + sizeof(inside->icmp);
         /* Are they talking about one of our connections? */
         if (!nf_ct_get_tuple(skb, dataoff, dataoff + inside->ip.ihl*4, PF_INET,
@@ -281,6 +283,60 @@ checksum_skipped:
         return icmp_error_message(skb, ctinfo, hooknum);
 }
 
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+
+#include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nfnetlink_conntrack.h>
+
+static int icmp_tuple_to_nfattr(struct sk_buff *skb,
+                                const struct nf_conntrack_tuple *t)
+{
+        NFA_PUT(skb, CTA_PROTO_ICMP_ID, sizeof(u_int16_t),
+                &t->src.u.icmp.id);
+        NFA_PUT(skb, CTA_PROTO_ICMP_TYPE, sizeof(u_int8_t),
+                &t->dst.u.icmp.type);
+        NFA_PUT(skb, CTA_PROTO_ICMP_CODE, sizeof(u_int8_t),
+                &t->dst.u.icmp.code);
+
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+
+static const size_t cta_min_proto[CTA_PROTO_MAX] = {
+        [CTA_PROTO_ICMP_TYPE-1] = sizeof(u_int8_t),
+        [CTA_PROTO_ICMP_CODE-1] = sizeof(u_int8_t),
+        [CTA_PROTO_ICMP_ID-1]   = sizeof(u_int16_t)
+};
+
+static int icmp_nfattr_to_tuple(struct nfattr *tb[],
+                                struct nf_conntrack_tuple *tuple)
+{
+        if (!tb[CTA_PROTO_ICMP_TYPE-1]
+            || !tb[CTA_PROTO_ICMP_CODE-1]
+            || !tb[CTA_PROTO_ICMP_ID-1])
+                return -EINVAL;
+
+        if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
+                return -EINVAL;
+
+        tuple->dst.u.icmp.type = 
+                        *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMP_TYPE-1]);
+        tuple->dst.u.icmp.code =
+                        *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMP_CODE-1]);
+        tuple->src.u.icmp.id =
+                        *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_ICMP_ID-1]);
+
+        if (tuple->dst.u.icmp.type >= sizeof(invmap)
+            || !invmap[tuple->dst.u.icmp.type])
+                return -EINVAL;
+
+        return 0;
+}
+#endif
+
 struct nf_conntrack_protocol nf_conntrack_protocol_icmp =
 {
         .list                   = { NULL, NULL },
@@ -295,7 +351,12 @@ struct nf_conntrack_protocol nf_conntrack_protocol_icmp =
         .new                    = icmp_new,
         .error                  = icmp_error,
         .destroy                = NULL,
-        .me                     = NULL
+        .me                     = NULL,
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+        .tuple_to_nfattr        = icmp_tuple_to_nfattr,
+        .nfattr_to_tuple        = icmp_nfattr_to_tuple,
+#endif
 };
 
 EXPORT_SYMBOL(nf_conntrack_protocol_icmp);
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index ea43ef1d94a7..925b42d48347 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -119,13 +119,14 @@ static LIST_HEAD(ip6t_tables);
 #define up(x) do { printk("UP:%u:" #x "\n", __LINE__); up(x); } while(0)
 #endif
 
-static int ip6_masked_addrcmp(struct in6_addr addr1, struct in6_addr mask,
-                              struct in6_addr addr2)
+int
+ip6_masked_addrcmp(const struct in6_addr *addr1, const struct in6_addr *mask,
+                   const struct in6_addr *addr2)
 {
         int i;
         for( i = 0; i < 16; i++){
-                if((addr1.s6_addr[i] & mask.s6_addr[i]) != 
-                   (addr2.s6_addr[i] & mask.s6_addr[i]))
+                if((addr1->s6_addr[i] & mask->s6_addr[i]) != 
+                   (addr2->s6_addr[i] & mask->s6_addr[i]))
                         return 1;
         }
         return 0;
@@ -159,10 +160,10 @@ ip6_packet_match(const struct sk_buff *skb,
 
 #define FWINV(bool,invflg) ((bool) ^ !!(ip6info->invflags & invflg))
 
-        if (FWINV(ip6_masked_addrcmp(ipv6->saddr,ip6info->smsk,ip6info->src),
-                  IP6T_INV_SRCIP)
-            || FWINV(ip6_masked_addrcmp(ipv6->daddr,ip6info->dmsk,ip6info->dst),
-                     IP6T_INV_DSTIP)) {
+        if (FWINV(ip6_masked_addrcmp(&ipv6->saddr, &ip6info->smsk,
+                                     &ip6info->src), IP6T_INV_SRCIP)
+            || FWINV(ip6_masked_addrcmp(&ipv6->daddr, &ip6info->dmsk,
+                                        &ip6info->dst), IP6T_INV_DSTIP)) {
                 dprintf("Source or dest mismatch.\n");
 /*
                 dprintf("SRC: %u. Mask: %u. Target: %u.%s\n", ip->saddr,
@@ -205,69 +206,21 @@ ip6_packet_match(const struct sk_buff *skb,
 
         /* look for the desired protocol header */
         if((ip6info->flags & IP6T_F_PROTO)) {
-                u_int8_t currenthdr = ipv6->nexthdr;
-                struct ipv6_opt_hdr _hdr, *hp;
-                u_int16_t ptr;          /* Header offset in skb */
-                u_int16_t hdrlen;       /* Header */
-                u_int16_t _fragoff = 0, *fp = NULL;
-
-                ptr = IPV6_HDR_LEN;
-
-                while (ip6t_ext_hdr(currenthdr)) {
-                        /* Is there enough space for the next ext header? */
-                        if (skb->len - ptr < IPV6_OPTHDR_LEN)
-                                return 0;
-
-                        /* NONE or ESP: there isn't protocol part */
-                        /* If we want to count these packets in '-p all',
-                         * we will change the return 0 to 1*/
-                        if ((currenthdr == IPPROTO_NONE) || 
-                                (currenthdr == IPPROTO_ESP))
-                                break;
+                int protohdr;
+                unsigned short _frag_off;
 
-                        hp = skb_header_pointer(skb, ptr, sizeof(_hdr), &_hdr);
-                        BUG_ON(hp == NULL);
-
-                        /* Size calculation */
-                        if (currenthdr == IPPROTO_FRAGMENT) {
-                                fp = skb_header_pointer(skb,
-                                                   ptr+offsetof(struct frag_hdr,
-                                                                frag_off),
-                                                   sizeof(_fragoff),
-                                                   &_fragoff);
-                                if (fp == NULL)
-                                        return 0;
-
-                                _fragoff = ntohs(*fp) & ~0x7;
-                                hdrlen = 8;
-                        } else if (currenthdr == IPPROTO_AH)
-                                hdrlen = (hp->hdrlen+2)<<2;
-                        else
-                                hdrlen = ipv6_optlen(hp);
-
-                        currenthdr = hp->nexthdr;
-                        ptr += hdrlen;
-                        /* ptr is too large */
-                        if ( ptr > skb->len ) 
-                                return 0;
-                        if (_fragoff) {
-                                if (ip6t_ext_hdr(currenthdr))
-                                        return 0;
-                                break;
-                        }
-                }
-
-                *protoff = ptr;
-                *fragoff = _fragoff;
+                protohdr = ipv6_find_hdr(skb, protoff, -1, &_frag_off);
+                if (protohdr < 0)
+                        return 0;
 
-                /* currenthdr contains the protocol header */
+                *fragoff = _frag_off;
 
                 dprintf("Packet protocol %hi ?= %s%hi.\n",
-                                currenthdr, 
+                                protohdr, 
                                 ip6info->invflags & IP6T_INV_PROTO ? "!":"",
                                 ip6info->proto);
 
-                if (ip6info->proto == currenthdr) {
+                if (ip6info->proto == protohdr) {
                         if(ip6info->invflags & IP6T_INV_PROTO) {
                                 return 0;
                         }
@@ -2098,26 +2051,39 @@ static void __exit fini(void)
 }
 
 /*
- * find specified header up to transport protocol header.
- * If found target header, the offset to the header is set to *offset
- * and return 0. otherwise, return -1.
+ * find the offset to specified header or the protocol number of last header
+ * if target < 0. "last header" is transport protocol header, ESP, or
+ * "No next header".
+ *
+ * If target header is found, its offset is set in *offset and return protocol
+ * number. Otherwise, return -1.
+ *
+ * Note that non-1st fragment is special case that "the protocol number
+ * of last header" is "next header" field in Fragment header. In this case,
+ * *offset is meaningless and fragment offset is stored in *fragoff if fragoff
+ * isn't NULL.
  *
- * Notes: - non-1st Fragment Header isn't skipped.
- *        - ESP header isn't skipped.
- *        - The target header may be trancated.
  */
-int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, u8 target)
+int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
+                  int target, unsigned short *fragoff)
 {
         unsigned int start = (u8*)(skb->nh.ipv6h + 1) - skb->data;
         u8 nexthdr = skb->nh.ipv6h->nexthdr;
         unsigned int len = skb->len - start;
 
+        if (fragoff)
+                *fragoff = 0;
+
         while (nexthdr != target) {
                 struct ipv6_opt_hdr _hdr, *hp;
                 unsigned int hdrlen;
 
-                if ((!ipv6_ext_hdr(nexthdr)) || nexthdr == NEXTHDR_NONE)
+                if ((!ipv6_ext_hdr(nexthdr)) || nexthdr == NEXTHDR_NONE) {
+                        if (target < 0)
+                                break;
                         return -1;
+                }
+
                 hp = skb_header_pointer(skb, start, sizeof(_hdr), &_hdr);
                 if (hp == NULL)
                         return -1;
@@ -2131,8 +2097,17 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, u8 target)
                         if (fp == NULL)
                                 return -1;
 
-                        if (ntohs(*fp) & ~0x7)
+                        _frag_off = ntohs(*fp) & ~0x7;
+                        if (_frag_off) {
+                                if (target < 0 &&
+                                    ((!ipv6_ext_hdr(hp->nexthdr)) ||
+                                     nexthdr == NEXTHDR_NONE)) {
+                                        if (fragoff)
+                                                *fragoff = _frag_off;
+                                        return hp->nexthdr;
+                                }
                                 return -1;
+                        }
                         hdrlen = 8;
                 } else if (nexthdr == NEXTHDR_AUTH)
                         hdrlen = (hp->hdrlen + 2) << 2; 
@@ -2145,7 +2120,7 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, u8 target)
         }
 
         *offset = start;
-        return 0;
+        return nexthdr;
 }
 
 EXPORT_SYMBOL(ip6t_register_table);
@@ -2157,6 +2132,7 @@ EXPORT_SYMBOL(ip6t_register_target);
 EXPORT_SYMBOL(ip6t_unregister_target);
 EXPORT_SYMBOL(ip6t_ext_hdr);
 EXPORT_SYMBOL(ipv6_find_hdr);
+EXPORT_SYMBOL(ip6_masked_addrcmp);
 
 module_init(init);
 module_exit(fini);
diff --git a/net/ipv6/netfilter/ip6t_ah.c b/net/ipv6/netfilter/ip6t_ah.c
index 268918d5deea..f5c1a7ff4a1f 100644
--- a/net/ipv6/netfilter/ip6t_ah.c
+++ b/net/ipv6/netfilter/ip6t_ah.c
@@ -54,7 +54,7 @@ match(const struct sk_buff *skb,
         unsigned int ptr;
         unsigned int hdrlen = 0;
 
-        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_AUTH) < 0)
+        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_AUTH, NULL) < 0)
                 return 0;
 
         ah = skb_header_pointer(skb, ptr, sizeof(_ah), &_ah);
diff --git a/net/ipv6/netfilter/ip6t_dst.c b/net/ipv6/netfilter/ip6t_dst.c
index c450a635e54b..48cf5f9efc95 100644
--- a/net/ipv6/netfilter/ip6t_dst.c
+++ b/net/ipv6/netfilter/ip6t_dst.c
@@ -71,9 +71,9 @@ match(const struct sk_buff *skb,
        unsigned int optlen;
        
 #if HOPBYHOP
-        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_HOP) < 0)
+        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_HOP, NULL) < 0)
 #else
-        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_DEST) < 0)
+        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_DEST, NULL) < 0)
 #endif
                 return 0;
 
diff --git a/net/ipv6/netfilter/ip6t_esp.c b/net/ipv6/netfilter/ip6t_esp.c
index 65937de1b58c..e1828f6d0a40 100644
--- a/net/ipv6/netfilter/ip6t_esp.c
+++ b/net/ipv6/netfilter/ip6t_esp.c
@@ -56,7 +56,7 @@ match(const struct sk_buff *skb,
         /* Make sure this isn't an evil packet */
         /*DEBUGP("ipv6_esp entered \n");*/
 
-        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_ESP) < 0)
+        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_ESP, NULL) < 0)
                 return 0;
 
         eh = skb_header_pointer(skb, ptr, sizeof(_esp), &_esp);
diff --git a/net/ipv6/netfilter/ip6t_frag.c b/net/ipv6/netfilter/ip6t_frag.c
index 085d5f8eea29..d1549b268669 100644
--- a/net/ipv6/netfilter/ip6t_frag.c
+++ b/net/ipv6/netfilter/ip6t_frag.c
@@ -52,7 +52,7 @@ match(const struct sk_buff *skb,
        const struct ip6t_frag *fraginfo = matchinfo;
        unsigned int ptr;
 
-        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_FRAGMENT) < 0)
+        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_FRAGMENT, NULL) < 0)
                 return 0;
 
         fh = skb_header_pointer(skb, ptr, sizeof(_frag), &_frag);
diff --git a/net/ipv6/netfilter/ip6t_hbh.c b/net/ipv6/netfilter/ip6t_hbh.c
index 1d09485111d0..e3bc8e2700e7 100644
--- a/net/ipv6/netfilter/ip6t_hbh.c
+++ b/net/ipv6/netfilter/ip6t_hbh.c
@@ -71,9 +71,9 @@ match(const struct sk_buff *skb,
        unsigned int optlen;
        
 #if HOPBYHOP
-        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_HOP) < 0)
+        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_HOP, NULL) < 0)
 #else
-        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_DEST) < 0)
+        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_DEST, NULL) < 0)
 #endif
                 return 0;
 
diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index beb2fd5cebbb..c1e770e45543 100644
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -58,7 +58,7 @@ match(const struct sk_buff *skb,
        unsigned int ret = 0;
        struct in6_addr *ap, _addr;
 
-        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_ROUTING) < 0)
+        if (ipv6_find_hdr(skb, &ptr, NEXTHDR_ROUTING, NULL) < 0)
                 return 0;
 
        rh = skb_header_pointer(skb, ptr, sizeof(_route), &_route);
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 753a3ae8502b..704fbbe74874 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -401,6 +401,48 @@ static ctl_table nf_ct_net_table[] = {
 };
 #endif
 
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+
+#include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nfnetlink_conntrack.h>
+
+static int ipv6_tuple_to_nfattr(struct sk_buff *skb,
+                                const struct nf_conntrack_tuple *tuple)
+{
+        NFA_PUT(skb, CTA_IP_V6_SRC, sizeof(u_int32_t) * 4,
+                &tuple->src.u3.ip6);
+        NFA_PUT(skb, CTA_IP_V6_DST, sizeof(u_int32_t) * 4,
+                &tuple->dst.u3.ip6);
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+
+static const size_t cta_min_ip[CTA_IP_MAX] = {
+        [CTA_IP_V6_SRC-1]       = sizeof(u_int32_t)*4,
+        [CTA_IP_V6_DST-1]       = sizeof(u_int32_t)*4,
+};
+
+static int ipv6_nfattr_to_tuple(struct nfattr *tb[],
+                                struct nf_conntrack_tuple *t)
+{
+        if (!tb[CTA_IP_V6_SRC-1] || !tb[CTA_IP_V6_DST-1])
+                return -EINVAL;
+
+        if (nfattr_bad_size(tb, CTA_IP_MAX, cta_min_ip))
+                return -EINVAL;
+
+        memcpy(&t->src.u3.ip6, NFA_DATA(tb[CTA_IP_V6_SRC-1]), 
+               sizeof(u_int32_t) * 4);
+        memcpy(&t->dst.u3.ip6, NFA_DATA(tb[CTA_IP_V6_DST-1]),
+               sizeof(u_int32_t) * 4);
+
+        return 0;
+}
+#endif
+
 struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6 = {
         .l3proto                = PF_INET6,
         .name                   = "ipv6",
@@ -409,6 +451,11 @@ struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6 = {
         .print_tuple            = ipv6_print_tuple,
         .print_conntrack        = ipv6_print_conntrack,
         .prepare                = ipv6_prepare,
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+        .tuple_to_nfattr        = ipv6_tuple_to_nfattr,
+        .nfattr_to_tuple        = ipv6_nfattr_to_tuple,
+#endif
         .get_features           = ipv6_get_features,
         .me                     = THIS_MODULE,
 };
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index a7e03cfacd06..09945c333055 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -57,17 +57,17 @@ static int icmpv6_pkt_to_tuple(const struct sk_buff *skb,
         return 1;
 }
 
+/* Add 1; spaces filled with 0. */
+static u_int8_t invmap[] = {
+        [ICMPV6_ECHO_REQUEST - 128]     = ICMPV6_ECHO_REPLY + 1,
+        [ICMPV6_ECHO_REPLY - 128]       = ICMPV6_ECHO_REQUEST + 1,
+        [ICMPV6_NI_QUERY - 128]         = ICMPV6_NI_QUERY + 1,
+        [ICMPV6_NI_REPLY - 128]         = ICMPV6_NI_REPLY +1
+};
+
 static int icmpv6_invert_tuple(struct nf_conntrack_tuple *tuple,
                                const struct nf_conntrack_tuple *orig)
 {
-        /* Add 1; spaces filled with 0. */
-        static u_int8_t invmap[] = {
-                [ICMPV6_ECHO_REQUEST - 128]     = ICMPV6_ECHO_REPLY + 1,
-                [ICMPV6_ECHO_REPLY - 128]       = ICMPV6_ECHO_REQUEST + 1,
-                [ICMPV6_NI_QUERY - 128]         = ICMPV6_NI_QUERY + 1,
-                [ICMPV6_NI_REPLY - 128]         = ICMPV6_NI_REPLY +1
-        };
-
         int type = orig->dst.u.icmp.type - 128;
         if (type < 0 || type >= sizeof(invmap) || !invmap[type])
                 return 0;
@@ -185,7 +185,7 @@ icmpv6_error_message(struct sk_buff *skb,
                 return -NF_ACCEPT;
         }
 
-        inproto = nf_ct_find_proto(PF_INET6, inprotonum);
+        inproto = __nf_ct_proto_find(PF_INET6, inprotonum);
 
         /* Are they talking about one of our connections? */
         if (!nf_ct_get_tuple(skb, inip6off, inprotoff, PF_INET6, inprotonum,
@@ -255,6 +255,60 @@ skipped:
         return icmpv6_error_message(skb, dataoff, ctinfo, hooknum);
 }
 
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+
+#include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nfnetlink_conntrack.h>
+static int icmpv6_tuple_to_nfattr(struct sk_buff *skb,
+                                  const struct nf_conntrack_tuple *t)
+{
+        NFA_PUT(skb, CTA_PROTO_ICMPV6_ID, sizeof(u_int16_t),
+                &t->src.u.icmp.id);
+        NFA_PUT(skb, CTA_PROTO_ICMPV6_TYPE, sizeof(u_int8_t),
+                &t->dst.u.icmp.type);
+        NFA_PUT(skb, CTA_PROTO_ICMPV6_CODE, sizeof(u_int8_t),
+                &t->dst.u.icmp.code);
+
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+
+static const size_t cta_min_proto[CTA_PROTO_MAX] = {
+        [CTA_PROTO_ICMPV6_TYPE-1] = sizeof(u_int8_t),
+        [CTA_PROTO_ICMPV6_CODE-1] = sizeof(u_int8_t),
+        [CTA_PROTO_ICMPV6_ID-1]   = sizeof(u_int16_t)
+};
+
+static int icmpv6_nfattr_to_tuple(struct nfattr *tb[],
+                                struct nf_conntrack_tuple *tuple)
+{
+        if (!tb[CTA_PROTO_ICMPV6_TYPE-1]
+            || !tb[CTA_PROTO_ICMPV6_CODE-1]
+            || !tb[CTA_PROTO_ICMPV6_ID-1])
+                return -EINVAL;
+
+        if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
+                return -EINVAL;
+
+        tuple->dst.u.icmp.type =
+                        *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_TYPE-1]);
+        tuple->dst.u.icmp.code =
+                        *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_CODE-1]);
+        tuple->src.u.icmp.id =
+                        *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_ID-1]);
+
+        if (tuple->dst.u.icmp.type < 128
+            || tuple->dst.u.icmp.type - 128 >= sizeof(invmap)
+            || !invmap[tuple->dst.u.icmp.type - 128])
+                return -EINVAL;
+
+        return 0;
+}
+#endif
+
 struct nf_conntrack_protocol nf_conntrack_protocol_icmpv6 =
 {
         .l3proto                = PF_INET6,
@@ -267,6 +321,11 @@ struct nf_conntrack_protocol nf_conntrack_protocol_icmpv6 =
         .packet                 = icmpv6_packet,
         .new                    = icmpv6_new,
         .error                  = icmpv6_error,
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+        .tuple_to_nfattr        = icmpv6_tuple_to_nfattr,
+        .nfattr_to_tuple        = icmpv6_nfattr_to_tuple,
+#endif
 };
 
 EXPORT_SYMBOL(nf_conntrack_protocol_icmpv6);
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 794c41d19b28..7d55f9cbd853 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -95,4 +95,11 @@ config NF_CONNTRACK_FTP
 
           To compile it as a module, choose M here.  If unsure, say N.
 
+config NF_CT_NETLINK
+        tristate 'Connection tracking netlink interface (EXPERIMENTAL)'
+        depends on EXPERIMENTAL && NF_CONNTRACK && NETFILTER_NETLINK
+        depends on NF_CONNTRACK!=y || NETFILTER_NETLINK!=m
+        help
+          This option enables support for a netlink-based userspace interface
+
 endmenu
diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
index 55f019ad2c08..cb2183145c37 100644
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -13,3 +13,6 @@ obj-$(CONFIG_NF_CONNTRACK_FTP) += nf_conntrack_ftp.o
 
 # SCTP protocol connection tracking
 obj-$(CONFIG_NF_CT_PROTO_SCTP) += nf_conntrack_proto_sctp.o
+
+# netlink interface for nf_conntrack
+obj-$(CONFIG_NF_CT_NETLINK) += nf_conntrack_netlink.o
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index a7c7b490cf22..62bb509f05d4 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -82,6 +82,8 @@ unsigned int nf_ct_log_invalid;
 static LIST_HEAD(unconfirmed);
 static int nf_conntrack_vmalloc;
 
+static unsigned int nf_conntrack_next_id = 1;
+static unsigned int nf_conntrack_expect_next_id = 1;
 #ifdef CONFIG_NF_CONNTRACK_EVENTS
 struct notifier_block *nf_conntrack_chain;
 struct notifier_block *nf_conntrack_expect_chain;
@@ -184,7 +186,7 @@ DECLARE_MUTEX(nf_ct_cache_mutex);
 
 extern struct nf_conntrack_protocol nf_conntrack_generic_protocol;
 struct nf_conntrack_protocol *
-nf_ct_find_proto(u_int16_t l3proto, u_int8_t protocol)
+__nf_ct_proto_find(u_int16_t l3proto, u_int8_t protocol)
 {
         if (unlikely(nf_ct_protos[l3proto] == NULL))
                 return &nf_conntrack_generic_protocol;
@@ -192,6 +194,50 @@ nf_ct_find_proto(u_int16_t l3proto, u_int8_t protocol)
         return nf_ct_protos[l3proto][protocol];
 }
 
+/* this is guaranteed to always return a valid protocol helper, since
+ * it falls back to generic_protocol */
+struct nf_conntrack_protocol *
+nf_ct_proto_find_get(u_int16_t l3proto, u_int8_t protocol)
+{
+        struct nf_conntrack_protocol *p;
+
+        preempt_disable();
+        p = __nf_ct_proto_find(l3proto, protocol);
+        if (p) {
+                if (!try_module_get(p->me))
+                        p = &nf_conntrack_generic_protocol;
+        }
+        preempt_enable();
+        
+        return p;
+}
+
+void nf_ct_proto_put(struct nf_conntrack_protocol *p)
+{
+        module_put(p->me);
+}
+
+struct nf_conntrack_l3proto *
+nf_ct_l3proto_find_get(u_int16_t l3proto)
+{
+        struct nf_conntrack_l3proto *p;
+
+        preempt_disable();
+        p = __nf_ct_l3proto_find(l3proto);
+        if (p) {
+                if (!try_module_get(p->me))
+                        p = &nf_conntrack_generic_l3proto;
+        }
+        preempt_enable();
+
+        return p;
+}
+
+void nf_ct_l3proto_put(struct nf_conntrack_l3proto *p)
+{
+        module_put(p->me);
+}
+
 static int nf_conntrack_hash_rnd_initted;
 static unsigned int nf_conntrack_hash_rnd;
 
@@ -384,7 +430,7 @@ nf_ct_invert_tuple(struct nf_conntrack_tuple *inverse,
 }
 
 /* nf_conntrack_expect helper functions */
-static void nf_ct_unlink_expect(struct nf_conntrack_expect *exp)
+void nf_ct_unlink_expect(struct nf_conntrack_expect *exp)
 {
         ASSERT_WRITE_LOCK(&nf_conntrack_lock);
         NF_CT_ASSERT(!timer_pending(&exp->timeout));
@@ -404,6 +450,33 @@ static void expectation_timed_out(unsigned long ul_expect)
         nf_conntrack_expect_put(exp);
 }
 
+struct nf_conntrack_expect *
+__nf_conntrack_expect_find(const struct nf_conntrack_tuple *tuple)
+{
+        struct nf_conntrack_expect *i;
+        
+        list_for_each_entry(i, &nf_conntrack_expect_list, list) {
+                if (nf_ct_tuple_mask_cmp(tuple, &i->tuple, &i->mask)) {
+                        atomic_inc(&i->use);
+                        return i;
+                }
+        }
+        return NULL;
+}
+
+/* Just find a expectation corresponding to a tuple. */
+struct nf_conntrack_expect *
+nf_conntrack_expect_find(const struct nf_conntrack_tuple *tuple)
+{
+        struct nf_conntrack_expect *i;
+        
+        read_lock_bh(&nf_conntrack_lock);
+        i = __nf_conntrack_expect_find(tuple);
+        read_unlock_bh(&nf_conntrack_lock);
+
+        return i;
+}
+
 /* If an expectation for this connection is found, it gets delete from
  * global list then returned. */
 static struct nf_conntrack_expect *
@@ -432,7 +505,7 @@ find_expectation(const struct nf_conntrack_tuple *tuple)
 }
 
 /* delete all expectations for this conntrack */
-static void remove_expectations(struct nf_conn *ct)
+void nf_ct_remove_expectations(struct nf_conn *ct)
 {
         struct nf_conntrack_expect *i, *tmp;
 
@@ -462,7 +535,7 @@ clean_from_lists(struct nf_conn *ct)
         LIST_DELETE(&nf_conntrack_hash[hr], &ct->tuplehash[IP_CT_DIR_REPLY]);
 
         /* Destroy all pending expectations */
-        remove_expectations(ct);
+        nf_ct_remove_expectations(ct);
 }
 
 static void
@@ -482,12 +555,11 @@ destroy_conntrack(struct nf_conntrack *nfct)
         /* To make sure we don't get any weird locking issues here:
          * destroy_conntrack() MUST NOT be called with a write lock
          * to nf_conntrack_lock!!! -HW */
-        l3proto = nf_ct_find_l3proto(ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.l3num);
+        l3proto = __nf_ct_l3proto_find(ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.l3num);
         if (l3proto && l3proto->destroy)
                 l3proto->destroy(ct);
 
-        proto = nf_ct_find_proto(ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.l3num,
-                                 ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.protonum);
+        proto = __nf_ct_proto_find(ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.l3num, ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.protonum);
         if (proto && proto->destroy)
                 proto->destroy(ct);
 
@@ -499,7 +571,7 @@ destroy_conntrack(struct nf_conntrack *nfct)
          * except TFTP can create an expectation on the first packet,
          * before connection is in the list, so we need to clean here,
          * too. */
-        remove_expectations(ct);
+        nf_ct_remove_expectations(ct);
 
         /* We overload first tuple to link into unconfirmed list. */
         if (!nf_ct_is_confirmed(ct)) {
@@ -540,7 +612,7 @@ conntrack_tuple_cmp(const struct nf_conntrack_tuple_hash *i,
                 && nf_ct_tuple_equal(tuple, &i->tuple);
 }
 
-static struct nf_conntrack_tuple_hash *
+struct nf_conntrack_tuple_hash *
 __nf_conntrack_find(const struct nf_conntrack_tuple *tuple,
                     const struct nf_conn *ignored_conntrack)
 {
@@ -575,6 +647,29 @@ nf_conntrack_find_get(const struct nf_conntrack_tuple *tuple,
         return h;
 }
 
+static void __nf_conntrack_hash_insert(struct nf_conn *ct,
+                                       unsigned int hash,
+                                       unsigned int repl_hash) 
+{
+        ct->id = ++nf_conntrack_next_id;
+        list_prepend(&nf_conntrack_hash[hash],
+                     &ct->tuplehash[IP_CT_DIR_ORIGINAL].list);
+        list_prepend(&nf_conntrack_hash[repl_hash],
+                     &ct->tuplehash[IP_CT_DIR_REPLY].list);
+}
+
+void nf_conntrack_hash_insert(struct nf_conn *ct)
+{
+        unsigned int hash, repl_hash;
+
+        hash = hash_conntrack(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
+        repl_hash = hash_conntrack(&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
+
+        write_lock_bh(&nf_conntrack_lock);
+        __nf_conntrack_hash_insert(ct, hash, repl_hash);
+        write_unlock_bh(&nf_conntrack_lock);
+}
+
 /* Confirm a connection given skb; places it in hash table */
 int
 __nf_conntrack_confirm(struct sk_buff **pskb)
@@ -621,10 +716,7 @@ __nf_conntrack_confirm(struct sk_buff **pskb)
                 /* Remove from unconfirmed list */
                 list_del(&ct->tuplehash[IP_CT_DIR_ORIGINAL].list);
 
-                list_prepend(&nf_conntrack_hash[hash],
-                             &ct->tuplehash[IP_CT_DIR_ORIGINAL]);
-                list_prepend(&nf_conntrack_hash[repl_hash],
-                             &ct->tuplehash[IP_CT_DIR_REPLY]);
+                __nf_conntrack_hash_insert(ct, hash, repl_hash);
                 /* Timer relative to confirmation time, not original
                    setting time, otherwise we'd get timer wrap in
                    weird delay cases. */
@@ -708,13 +800,41 @@ static inline int helper_cmp(const struct nf_conntrack_helper *i,
 }
 
 static struct nf_conntrack_helper *
-nf_ct_find_helper(const struct nf_conntrack_tuple *tuple)
+__nf_ct_helper_find(const struct nf_conntrack_tuple *tuple)
 {
         return LIST_FIND(&helpers, helper_cmp,
                          struct nf_conntrack_helper *,
                          tuple);
 }
 
+struct nf_conntrack_helper *
+nf_ct_helper_find_get( const struct nf_conntrack_tuple *tuple)
+{
+        struct nf_conntrack_helper *helper;
+
+        /* need nf_conntrack_lock to assure that helper exists until
+         * try_module_get() is called */
+        read_lock_bh(&nf_conntrack_lock);
+
+        helper = __nf_ct_helper_find(tuple);
+        if (helper) {
+                /* need to increase module usage count to assure helper will
+                 * not go away while the caller is e.g. busy putting a
+                 * conntrack in the hash that uses the helper */
+                if (!try_module_get(helper->me))
+                        helper = NULL;
+        }
+
+        read_unlock_bh(&nf_conntrack_lock);
+
+        return helper;
+}
+
+void nf_ct_helper_put(struct nf_conntrack_helper *helper)
+{
+        module_put(helper->me);
+}
+
 static struct nf_conn *
 __nf_conntrack_alloc(const struct nf_conntrack_tuple *orig,
                      const struct nf_conntrack_tuple *repl,
@@ -744,7 +864,7 @@ __nf_conntrack_alloc(const struct nf_conntrack_tuple *orig,
         /*  find features needed by this conntrack. */
         features = l3proto->get_features(orig);
         read_lock_bh(&nf_conntrack_lock);
-        if (nf_ct_find_helper(repl) != NULL)
+        if (__nf_ct_helper_find(repl) != NULL)
                 features |= NF_CT_F_HELP;
         read_unlock_bh(&nf_conntrack_lock);
 
@@ -794,7 +914,7 @@ struct nf_conn *nf_conntrack_alloc(const struct nf_conntrack_tuple *orig,
 {
         struct nf_conntrack_l3proto *l3proto;
 
-        l3proto = nf_ct_find_l3proto(orig->src.l3num);
+        l3proto = __nf_ct_l3proto_find(orig->src.l3num);
         return __nf_conntrack_alloc(orig, repl, l3proto);
 }
 
@@ -853,7 +973,7 @@ init_conntrack(const struct nf_conntrack_tuple *tuple,
                 nf_conntrack_get(&conntrack->master->ct_general);
                 NF_CT_STAT_INC(expect_new);
         } else {
-                conntrack->helper = nf_ct_find_helper(&repl_tuple);
+                conntrack->helper = __nf_ct_helper_find(&repl_tuple);
 
                 NF_CT_STAT_INC(new);
         }
@@ -947,13 +1067,13 @@ nf_conntrack_in(int pf, unsigned int hooknum, struct sk_buff **pskb)
                 return NF_ACCEPT;
         }
 
-        l3proto = nf_ct_find_l3proto((u_int16_t)pf);
+        l3proto = __nf_ct_l3proto_find((u_int16_t)pf);
         if ((ret = l3proto->prepare(pskb, hooknum, &dataoff, &protonum)) <= 0) {
                 DEBUGP("not prepared to track yet or error occured\n");
                 return -ret;
         }
 
-        proto = nf_ct_find_proto((u_int16_t)pf, protonum);
+        proto = __nf_ct_proto_find((u_int16_t)pf, protonum);
 
         /* It may be an special packet, error, unclean...
          * inverse of the return code tells to the netfilter
@@ -1002,9 +1122,9 @@ int nf_ct_invert_tuplepr(struct nf_conntrack_tuple *inverse,
                          const struct nf_conntrack_tuple *orig)
 {
         return nf_ct_invert_tuple(inverse, orig,
-                                  nf_ct_find_l3proto(orig->src.l3num),
-                                  nf_ct_find_proto(orig->src.l3num,
-                                                   orig->dst.protonum));
+                                  __nf_ct_l3proto_find(orig->src.l3num),
+                                  __nf_ct_proto_find(orig->src.l3num,
+                                                     orig->dst.protonum));
 }
 
 /* Would two expected things clash? */
@@ -1096,6 +1216,7 @@ static void nf_conntrack_expect_insert(struct nf_conntrack_expect *exp)
         exp->timeout.expires = jiffies + exp->master->helper->timeout * HZ;
         add_timer(&exp->timeout);
 
+        exp->id = ++nf_conntrack_expect_next_id;
         atomic_inc(&exp->use);
         NF_CT_STAT_INC(expect_create);
 }
@@ -1129,6 +1250,7 @@ static inline int refresh_timer(struct nf_conntrack_expect *i)
 int nf_conntrack_expect_related(struct nf_conntrack_expect *expect)
 {
         struct nf_conntrack_expect *i;
+        struct nf_conn *master = expect->master;
         int ret;
 
         DEBUGP("nf_conntrack_expect_related %p\n", related_to);
@@ -1149,9 +1271,9 @@ int nf_conntrack_expect_related(struct nf_conntrack_expect *expect)
                 }
         }
         /* Will be over limit? */
-        if (expect->master->helper->max_expected && 
-            expect->master->expecting >= expect->master->helper->max_expected)
-                evict_oldest_expect(expect->master);
+        if (master->helper->max_expected && 
+            master->expecting >= master->helper->max_expected)
+                evict_oldest_expect(master);
 
         nf_conntrack_expect_insert(expect);
         nf_conntrack_expect_event(IPEXP_NEW, expect);
@@ -1175,7 +1297,7 @@ void nf_conntrack_alter_reply(struct nf_conn *conntrack,
 
         conntrack->tuplehash[IP_CT_DIR_REPLY].tuple = *newreply;
         if (!conntrack->master && conntrack->expecting == 0)
-                conntrack->helper = nf_ct_find_helper(newreply);
+                conntrack->helper = __nf_ct_helper_find(newreply);
         write_unlock_bh(&nf_conntrack_lock);
 }
 
@@ -1200,6 +1322,19 @@ int nf_conntrack_helper_register(struct nf_conntrack_helper *me)
         return 0;
 }
 
+struct nf_conntrack_helper *
+__nf_conntrack_helper_find_byname(const char *name)
+{
+        struct nf_conntrack_helper *h;
+
+        list_for_each_entry(h, &helpers, list) {
+                if (!strcmp(h->name, name))
+                        return h;
+        }
+
+        return NULL;
+}
+
 static inline int unhelp(struct nf_conntrack_tuple_hash *i,
                          const struct nf_conntrack_helper *me)
 {
@@ -1283,6 +1418,51 @@ void __nf_ct_refresh_acct(struct nf_conn *ct,
                 nf_conntrack_event_cache(event, skb);
 }
 
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+
+#include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nfnetlink_conntrack.h>
+
+/* Generic function for tcp/udp/sctp/dccp and alike. This needs to be
+ * in ip_conntrack_core, since we don't want the protocols to autoload
+ * or depend on ctnetlink */
+int nf_ct_port_tuple_to_nfattr(struct sk_buff *skb,
+                               const struct nf_conntrack_tuple *tuple)
+{
+        NFA_PUT(skb, CTA_PROTO_SRC_PORT, sizeof(u_int16_t),
+                &tuple->src.u.tcp.port);
+        NFA_PUT(skb, CTA_PROTO_DST_PORT, sizeof(u_int16_t),
+                &tuple->dst.u.tcp.port);
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+
+static const size_t cta_min_proto[CTA_PROTO_MAX] = {
+        [CTA_PROTO_SRC_PORT-1]  = sizeof(u_int16_t),
+        [CTA_PROTO_DST_PORT-1]  = sizeof(u_int16_t)
+};
+
+int nf_ct_port_nfattr_to_tuple(struct nfattr *tb[],
+                               struct nf_conntrack_tuple *t)
+{
+        if (!tb[CTA_PROTO_SRC_PORT-1] || !tb[CTA_PROTO_DST_PORT-1])
+                return -EINVAL;
+
+        if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
+                return -EINVAL;
+
+        t->src.u.tcp.port =
+                *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_SRC_PORT-1]);
+        t->dst.u.tcp.port =
+                *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_DST_PORT-1]);
+
+        return 0;
+}
+#endif
+
 /* Used by ipt_REJECT and ip6t_REJECT. */
 void __nf_conntrack_attach(struct sk_buff *nskb, struct sk_buff *skb)
 {
@@ -1365,6 +1545,11 @@ static void free_conntrack_hash(struct list_head *hash, int vmalloced, int size)
                            get_order(sizeof(struct list_head) * size));
 }
 
+void nf_conntrack_flush()
+{
+        nf_ct_iterate_cleanup(kill_all, NULL);
+}
+
 /* Mishearing the voices in his head, our hero wonders how he's
    supposed to kill the mall. */
 void nf_conntrack_cleanup(void)
@@ -1378,7 +1563,7 @@ void nf_conntrack_cleanup(void)
 
         nf_ct_event_cache_flush();
  i_see_dead_people:
-        nf_ct_iterate_cleanup(kill_all, NULL);
+        nf_conntrack_flush();
         if (atomic_read(&nf_conntrack_count) != 0) {
                 schedule();
                 goto i_see_dead_people;
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index 65080e269f27..d5a6eaf4a1de 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -44,7 +44,7 @@ static unsigned int ports_c;
 module_param_array(ports, ushort, &ports_c, 0400);
 
 static int loose;
-module_param(loose, int, 0600);
+module_param(loose, bool, 0600);
 
 unsigned int (*nf_nat_ftp_hook)(struct sk_buff **pskb,
                                 enum ip_conntrack_info ctinfo,
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
new file mode 100644
index 000000000000..73ab16bc7d40
--- /dev/null
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -0,0 +1,1653 @@
+/* Connection tracking via netlink socket. Allows for user space
+ * protocol helpers and general trouble making from userspace.
+ *
+ * (C) 2001 by Jay Schulist <jschlst@samba.org>
+ * (C) 2002-2005 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2003 by Patrick Mchardy <kaber@trash.net>
+ * (C) 2005 by Pablo Neira Ayuso <pablo@eurodev.net>
+ *
+ * I've reworked this stuff to use attributes instead of conntrack 
+ * structures. 5.44 am. I need more tea. --pablo 05/07/11.
+ *
+ * Initial connection tracking via netlink development funded and 
+ * generally made possible by Network Robots, Inc. (www.networkrobots.com)
+ *
+ * Further development of this code funded by Astaro AG (http://www.astaro.com)
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ * Derived from ip_conntrack_netlink.c: Port by Pablo Neira Ayuso (05/11/14)
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/timer.h>
+#include <linux/skbuff.h>
+#include <linux/errno.h>
+#include <linux/netlink.h>
+#include <linux/spinlock.h>
+#include <linux/notifier.h>
+
+#include <linux/netfilter.h>
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_core.h>
+#include <net/netfilter/nf_conntrack_helper.h>
+#include <net/netfilter/nf_conntrack_l3proto.h>
+#include <net/netfilter/nf_conntrack_protocol.h>
+#include <linux/netfilter_ipv4/ip_nat_protocol.h>
+
+#include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nfnetlink_conntrack.h>
+
+MODULE_LICENSE("GPL");
+
+static char __initdata version[] = "0.92";
+
+#if 0
+#define DEBUGP printk
+#else
+#define DEBUGP(format, args...)
+#endif
+
+
+static inline int
+ctnetlink_dump_tuples_proto(struct sk_buff *skb, 
+                            const struct nf_conntrack_tuple *tuple)
+{
+        struct nf_conntrack_protocol *proto;
+        int ret = 0;
+
+        NFA_PUT(skb, CTA_PROTO_NUM, sizeof(u_int8_t), &tuple->dst.protonum);
+
+        /* If no protocol helper is found, this function will return the
+         * generic protocol helper, so proto won't *ever* be NULL */
+        proto = nf_ct_proto_find_get(tuple->src.l3num, tuple->dst.protonum);
+        if (likely(proto->tuple_to_nfattr))
+                ret = proto->tuple_to_nfattr(skb, tuple);
+        
+        nf_ct_proto_put(proto);
+
+        return ret;
+
+nfattr_failure:
+        return -1;
+}
+
+static inline int
+ctnetlink_dump_tuples(struct sk_buff *skb, 
+                      const struct nf_conntrack_tuple *tuple)
+{
+        struct nfattr *nest_parms;
+        struct nf_conntrack_l3proto *l3proto;
+        int ret = 0;
+        
+        l3proto = nf_ct_l3proto_find_get(tuple->src.l3num);
+        
+        nest_parms = NFA_NEST(skb, CTA_TUPLE_IP);
+        if (likely(l3proto->tuple_to_nfattr))
+                ret = l3proto->tuple_to_nfattr(skb, tuple);
+        NFA_NEST_END(skb, nest_parms);
+
+        nf_ct_l3proto_put(l3proto);
+
+        if (unlikely(ret < 0))
+                return ret;
+
+        nest_parms = NFA_NEST(skb, CTA_TUPLE_PROTO);
+        ret = ctnetlink_dump_tuples_proto(skb, tuple);
+        NFA_NEST_END(skb, nest_parms);
+
+        return ret;
+
+nfattr_failure:
+        return -1;
+}
+
+static inline int
+ctnetlink_dump_status(struct sk_buff *skb, const struct nf_conn *ct)
+{
+        u_int32_t status = htonl((u_int32_t) ct->status);
+        NFA_PUT(skb, CTA_STATUS, sizeof(status), &status);
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+
+static inline int
+ctnetlink_dump_timeout(struct sk_buff *skb, const struct nf_conn *ct)
+{
+        long timeout_l = ct->timeout.expires - jiffies;
+        u_int32_t timeout;
+
+        if (timeout_l < 0)
+                timeout = 0;
+        else
+                timeout = htonl(timeout_l / HZ);
+        
+        NFA_PUT(skb, CTA_TIMEOUT, sizeof(timeout), &timeout);
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+
+static inline int
+ctnetlink_dump_protoinfo(struct sk_buff *skb, const struct nf_conn *ct)
+{
+        struct nf_conntrack_protocol *proto = nf_ct_proto_find_get(ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num, ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum);
+        struct nfattr *nest_proto;
+        int ret;
+
+        if (!proto->to_nfattr) {
+                nf_ct_proto_put(proto);
+                return 0;
+        }
+        
+        nest_proto = NFA_NEST(skb, CTA_PROTOINFO);
+
+        ret = proto->to_nfattr(skb, nest_proto, ct);
+
+        nf_ct_proto_put(proto);
+
+        NFA_NEST_END(skb, nest_proto);
+
+        return ret;
+
+nfattr_failure:
+        return -1;
+}
+
+static inline int
+ctnetlink_dump_helpinfo(struct sk_buff *skb, const struct nf_conn *ct)
+{
+        struct nfattr *nest_helper;
+
+        if (!ct->helper)
+                return 0;
+                
+        nest_helper = NFA_NEST(skb, CTA_HELP);
+        NFA_PUT(skb, CTA_HELP_NAME, strlen(ct->helper->name), ct->helper->name);
+
+        if (ct->helper->to_nfattr)
+                ct->helper->to_nfattr(skb, ct);
+
+        NFA_NEST_END(skb, nest_helper);
+
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+
+#ifdef CONFIG_NF_CT_ACCT
+static inline int
+ctnetlink_dump_counters(struct sk_buff *skb, const struct nf_conn *ct,
+                        enum ip_conntrack_dir dir)
+{
+        enum ctattr_type type = dir ? CTA_COUNTERS_REPLY: CTA_COUNTERS_ORIG;
+        struct nfattr *nest_count = NFA_NEST(skb, type);
+        u_int32_t tmp;
+
+        tmp = htonl(ct->counters[dir].packets);
+        NFA_PUT(skb, CTA_COUNTERS32_PACKETS, sizeof(u_int32_t), &tmp);
+
+        tmp = htonl(ct->counters[dir].bytes);
+        NFA_PUT(skb, CTA_COUNTERS32_BYTES, sizeof(u_int32_t), &tmp);
+
+        NFA_NEST_END(skb, nest_count);
+
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+#else
+#define ctnetlink_dump_counters(a, b, c) (0)
+#endif
+
+#ifdef CONFIG_NF_CONNTRACK_MARK
+static inline int
+ctnetlink_dump_mark(struct sk_buff *skb, const struct nf_conn *ct)
+{
+        u_int32_t mark = htonl(ct->mark);
+
+        NFA_PUT(skb, CTA_MARK, sizeof(u_int32_t), &mark);
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+#else
+#define ctnetlink_dump_mark(a, b) (0)
+#endif
+
+static inline int
+ctnetlink_dump_id(struct sk_buff *skb, const struct nf_conn *ct)
+{
+        u_int32_t id = htonl(ct->id);
+        NFA_PUT(skb, CTA_ID, sizeof(u_int32_t), &id);
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+
+static inline int
+ctnetlink_dump_use(struct sk_buff *skb, const struct nf_conn *ct)
+{
+        u_int32_t use = htonl(atomic_read(&ct->ct_general.use));
+        
+        NFA_PUT(skb, CTA_USE, sizeof(u_int32_t), &use);
+        return 0;
+
+nfattr_failure:
+        return -1;
+}
+
+#define tuple(ct, dir) (&(ct)->tuplehash[dir].tuple)
+
+static int
+ctnetlink_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
+                    int event, int nowait, 
+                    const struct nf_conn *ct)
+{
+        struct nlmsghdr *nlh;
+        struct nfgenmsg *nfmsg;
+        struct nfattr *nest_parms;
+        unsigned char *b;
+
+        b = skb->tail;
+
+        event |= NFNL_SUBSYS_CTNETLINK << 8;
+        nlh    = NLMSG_PUT(skb, pid, seq, event, sizeof(struct nfgenmsg));
+        nfmsg  = NLMSG_DATA(nlh);
+
+        nlh->nlmsg_flags    = (nowait && pid) ? NLM_F_MULTI : 0;
+        nfmsg->nfgen_family = 
+                ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num;
+        nfmsg->version      = NFNETLINK_V0;
+        nfmsg->res_id       = 0;
+
+        nest_parms = NFA_NEST(skb, CTA_TUPLE_ORIG);
+        if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_ORIGINAL)) < 0)
+                goto nfattr_failure;
+        NFA_NEST_END(skb, nest_parms);
+        
+        nest_parms = NFA_NEST(skb, CTA_TUPLE_REPLY);
+        if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_REPLY)) < 0)
+                goto nfattr_failure;
+        NFA_NEST_END(skb, nest_parms);
+
+        if (ctnetlink_dump_status(skb, ct) < 0 ||
+            ctnetlink_dump_timeout(skb, ct) < 0 ||
+            ctnetlink_dump_counters(skb, ct, IP_CT_DIR_ORIGINAL) < 0 ||
+            ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0 ||
+            ctnetlink_dump_protoinfo(skb, ct) < 0 ||
+            ctnetlink_dump_helpinfo(skb, ct) < 0 ||
+            ctnetlink_dump_mark(skb, ct) < 0 ||
+            ctnetlink_dump_id(skb, ct) < 0 ||
+            ctnetlink_dump_use(skb, ct) < 0)
+                goto nfattr_failure;
+
+        nlh->nlmsg_len = skb->tail - b;
+        return skb->len;
+
+nlmsg_failure:
+nfattr_failure:
+        skb_trim(skb, b - skb->data);
+        return -1;
+}
+
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+static int ctnetlink_conntrack_event(struct notifier_block *this,
+                                     unsigned long events, void *ptr)
+{
+        struct nlmsghdr *nlh;
+        struct nfgenmsg *nfmsg;
+        struct nfattr *nest_parms;
+        struct nf_conn *ct = (struct nf_conn *)ptr;
+        struct sk_buff *skb;
+        unsigned int type;
+        unsigned char *b;
+        unsigned int flags = 0, group;
+
+        /* ignore our fake conntrack entry */
+        if (ct == &nf_conntrack_untracked)
+                return NOTIFY_DONE;
+
+        if (events & IPCT_DESTROY) {
+                type = IPCTNL_MSG_CT_DELETE;
+                group = NFNLGRP_CONNTRACK_DESTROY;
+        } else  if (events & (IPCT_NEW | IPCT_RELATED)) {
+                type = IPCTNL_MSG_CT_NEW;
+                flags = NLM_F_CREATE|NLM_F_EXCL;
+                /* dump everything */
+                events = ~0UL;
+                group = NFNLGRP_CONNTRACK_NEW;
+        } else  if (events & (IPCT_STATUS |
+                      IPCT_PROTOINFO |
+                      IPCT_HELPER |
+                      IPCT_HELPINFO |
+                      IPCT_NATINFO)) {
+                type = IPCTNL_MSG_CT_NEW;
+                group = NFNLGRP_CONNTRACK_UPDATE;
+        } else
+                return NOTIFY_DONE;
+        
+  /* FIXME: Check if there are any listeners before, don't hurt performance */
+        
+        skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
+        if (!skb)
+                return NOTIFY_DONE;
+
+        b = skb->tail;
+
+        type |= NFNL_SUBSYS_CTNETLINK << 8;
+        nlh   = NLMSG_PUT(skb, 0, 0, type, sizeof(struct nfgenmsg));
+        nfmsg = NLMSG_DATA(nlh);
+
+        nlh->nlmsg_flags    = flags;
+        nfmsg->nfgen_family = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num;
+        nfmsg->version  = NFNETLINK_V0;
+        nfmsg->res_id   = 0;
+
+        nest_parms = NFA_NEST(skb, CTA_TUPLE_ORIG);
+        if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_ORIGINAL)) < 0)
+                goto nfattr_failure;
+        NFA_NEST_END(skb, nest_parms);
+        
+        nest_parms = NFA_NEST(skb, CTA_TUPLE_REPLY);
+        if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_REPLY)) < 0)
+                goto nfattr_failure;
+        NFA_NEST_END(skb, nest_parms);
+        
+        /* NAT stuff is now a status flag */
+        if ((events & IPCT_STATUS || events & IPCT_NATINFO)
+            && ctnetlink_dump_status(skb, ct) < 0)
+                goto nfattr_failure;
+        if (events & IPCT_REFRESH
+            && ctnetlink_dump_timeout(skb, ct) < 0)
+                goto nfattr_failure;
+        if (events & IPCT_PROTOINFO
+            && ctnetlink_dump_protoinfo(skb, ct) < 0)
+                goto nfattr_failure;
+        if (events & IPCT_HELPINFO
+            && ctnetlink_dump_helpinfo(skb, ct) < 0)
+                goto nfattr_failure;
+
+        if (ctnetlink_dump_counters(skb, ct, IP_CT_DIR_ORIGINAL) < 0 ||
+            ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0)
+                goto nfattr_failure;
+
+        nlh->nlmsg_len = skb->tail - b;
+        nfnetlink_send(skb, 0, group, 0);
+        return NOTIFY_DONE;
+
+nlmsg_failure:
+nfattr_failure:
+        kfree_skb(skb);
+        return NOTIFY_DONE;
+}
+#endif /* CONFIG_NF_CONNTRACK_EVENTS */
+
+static int ctnetlink_done(struct netlink_callback *cb)
+{
+        DEBUGP("entered %s\n", __FUNCTION__);
+        return 0;
+}
+
+#define L3PROTO(ct) ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num
+
+static int
+ctnetlink_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
+{
+        struct nf_conn *ct = NULL;
+        struct nf_conntrack_tuple_hash *h;
+        struct list_head *i;
+        u_int32_t *id = (u_int32_t *) &cb->args[1];
+        struct nfgenmsg *nfmsg = NLMSG_DATA(cb->nlh);
+        u_int8_t l3proto = nfmsg->nfgen_family;
+
+        DEBUGP("entered %s, last bucket=%lu id=%u\n", __FUNCTION__, 
+                        cb->args[0], *id);
+
+        read_lock_bh(&nf_conntrack_lock);
+        for (; cb->args[0] < nf_conntrack_htable_size; cb->args[0]++, *id = 0) {
+                list_for_each_prev(i, &nf_conntrack_hash[cb->args[0]]) {
+                        h = (struct nf_conntrack_tuple_hash *) i;
+                        if (DIRECTION(h) != IP_CT_DIR_ORIGINAL)
+                                continue;
+                        ct = nf_ct_tuplehash_to_ctrack(h);
+                        /* Dump entries of a given L3 protocol number.
+                         * If it is not specified, ie. l3proto == 0,
+                         * then dump everything. */
+                        if (l3proto && L3PROTO(ct) != l3proto)
+                                continue;
+                        if (ct->id <= *id)
+                                continue;
+                        if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid,
+                                                cb->nlh->nlmsg_seq,
+                                                IPCTNL_MSG_CT_NEW,
+                                                1, ct) < 0)
+                                goto out;
+                        *id = ct->id;
+                }
+        }
+out:    
+        read_unlock_bh(&nf_conntrack_lock);
+
+        DEBUGP("leaving, last bucket=%lu id=%u\n", cb->args[0], *id);
+
+        return skb->len;
+}
+
+#ifdef CONFIG_NF_CT_ACCT
+static int
+ctnetlink_dump_table_w(struct sk_buff *skb, struct netlink_callback *cb)
+{
+        struct nf_conn *ct = NULL;
+        struct nf_conntrack_tuple_hash *h;
+        struct list_head *i;
+        u_int32_t *id = (u_int32_t *) &cb->args[1];
+        struct nfgenmsg *nfmsg = NLMSG_DATA(cb->nlh);
+        u_int8_t l3proto = nfmsg->nfgen_family; 
+
+        DEBUGP("entered %s, last bucket=%u id=%u\n", __FUNCTION__, 
+                        cb->args[0], *id);
+
+        write_lock_bh(&nf_conntrack_lock);
+        for (; cb->args[0] < nf_conntrack_htable_size; cb->args[0]++, *id = 0) {
+                list_for_each_prev(i, &nf_conntrack_hash[cb->args[0]]) {
+                        h = (struct nf_conntrack_tuple_hash *) i;
+                        if (DIRECTION(h) != IP_CT_DIR_ORIGINAL)
+                                continue;
+                        ct = nf_ct_tuplehash_to_ctrack(h);
+                        if (l3proto && L3PROTO(ct) != l3proto)
+                                continue;
+                        if (ct->id <= *id)
+                                continue;
+                        if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid,
+                                                cb->nlh->nlmsg_seq,
+                                                IPCTNL_MSG_CT_NEW,
+                                                1, ct) < 0)
+                                goto out;
+                        *id = ct->id;
+
+                        memset(&ct->counters, 0, sizeof(ct->counters));
+                }
+        }
+out:    
+        write_unlock_bh(&nf_conntrack_lock);
+
+        DEBUGP("leaving, last bucket=%lu id=%u\n", cb->args[0], *id);
+
+        return skb->len;
+}
+#endif
+
+static inline int
+ctnetlink_parse_tuple_ip(struct nfattr *attr, struct nf_conntrack_tuple *tuple)
+{
+        struct nfattr *tb[CTA_IP_MAX];
+        struct nf_conntrack_l3proto *l3proto;
+        int ret = 0;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        nfattr_parse_nested(tb, CTA_IP_MAX, attr);
+
+        l3proto = nf_ct_l3proto_find_get(tuple->src.l3num);
+
+        if (likely(l3proto->nfattr_to_tuple))
+                ret = l3proto->nfattr_to_tuple(tb, tuple);
+
+        nf_ct_l3proto_put(l3proto);
+
+        DEBUGP("leaving\n");
+
+        return ret;
+}
+
+static const size_t cta_min_proto[CTA_PROTO_MAX] = {
+        [CTA_PROTO_NUM-1]       = sizeof(u_int8_t),
+};
+
+static inline int
+ctnetlink_parse_tuple_proto(struct nfattr *attr, 
+                            struct nf_conntrack_tuple *tuple)
+{
+        struct nfattr *tb[CTA_PROTO_MAX];
+        struct nf_conntrack_protocol *proto;
+        int ret = 0;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        nfattr_parse_nested(tb, CTA_PROTO_MAX, attr);
+
+        if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
+                return -EINVAL;
+
+        if (!tb[CTA_PROTO_NUM-1])
+                return -EINVAL;
+        tuple->dst.protonum = *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_NUM-1]);
+
+        proto = nf_ct_proto_find_get(tuple->src.l3num, tuple->dst.protonum);
+
+        if (likely(proto->nfattr_to_tuple))
+                ret = proto->nfattr_to_tuple(tb, tuple);
+
+        nf_ct_proto_put(proto);
+        
+        return ret;
+}
+
+static inline int
+ctnetlink_parse_tuple(struct nfattr *cda[], struct nf_conntrack_tuple *tuple,
+                      enum ctattr_tuple type, u_int8_t l3num)
+{
+        struct nfattr *tb[CTA_TUPLE_MAX];
+        int err;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        memset(tuple, 0, sizeof(*tuple));
+
+        nfattr_parse_nested(tb, CTA_TUPLE_MAX, cda[type-1]);
+
+        if (!tb[CTA_TUPLE_IP-1])
+                return -EINVAL;
+
+        tuple->src.l3num = l3num;
+
+        err = ctnetlink_parse_tuple_ip(tb[CTA_TUPLE_IP-1], tuple);
+        if (err < 0)
+                return err;
+
+        if (!tb[CTA_TUPLE_PROTO-1])
+                return -EINVAL;
+
+        err = ctnetlink_parse_tuple_proto(tb[CTA_TUPLE_PROTO-1], tuple);
+        if (err < 0)
+                return err;
+
+        /* orig and expect tuples get DIR_ORIGINAL */
+        if (type == CTA_TUPLE_REPLY)
+                tuple->dst.dir = IP_CT_DIR_REPLY;
+        else
+                tuple->dst.dir = IP_CT_DIR_ORIGINAL;
+
+        NF_CT_DUMP_TUPLE(tuple);
+
+        DEBUGP("leaving\n");
+
+        return 0;
+}
+
+#ifdef CONFIG_IP_NF_NAT_NEEDED
+static const size_t cta_min_protonat[CTA_PROTONAT_MAX] = {
+        [CTA_PROTONAT_PORT_MIN-1]       = sizeof(u_int16_t),
+        [CTA_PROTONAT_PORT_MAX-1]       = sizeof(u_int16_t),
+};
+
+static int ctnetlink_parse_nat_proto(struct nfattr *attr,
+                                     const struct nf_conn *ct,
+                                     struct ip_nat_range *range)
+{
+        struct nfattr *tb[CTA_PROTONAT_MAX];
+        struct ip_nat_protocol *npt;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        nfattr_parse_nested(tb, CTA_PROTONAT_MAX, attr);
+
+        if (nfattr_bad_size(tb, CTA_PROTONAT_MAX, cta_min_protonat))
+                return -EINVAL;
+
+        npt = ip_nat_proto_find_get(ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum);
+
+        if (!npt->nfattr_to_range) {
+                ip_nat_proto_put(npt);
+                return 0;
+        }
+
+        /* nfattr_to_range returns 1 if it parsed, 0 if not, neg. on error */
+        if (npt->nfattr_to_range(tb, range) > 0)
+                range->flags |= IP_NAT_RANGE_PROTO_SPECIFIED;
+
+        ip_nat_proto_put(npt);
+
+        DEBUGP("leaving\n");
+        return 0;
+}
+
+static const size_t cta_min_nat[CTA_NAT_MAX] = {
+        [CTA_NAT_MINIP-1]       = sizeof(u_int32_t),
+        [CTA_NAT_MAXIP-1]       = sizeof(u_int32_t),
+};
+
+static inline int
+ctnetlink_parse_nat(struct nfattr *cda[],
+                    const struct nf_conn *ct, struct ip_nat_range *range)
+{
+        struct nfattr *tb[CTA_NAT_MAX];
+        int err;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        memset(range, 0, sizeof(*range));
+        
+        nfattr_parse_nested(tb, CTA_NAT_MAX, cda[CTA_NAT-1]);
+
+        if (nfattr_bad_size(tb, CTA_NAT_MAX, cta_min_nat))
+                return -EINVAL;
+
+        if (tb[CTA_NAT_MINIP-1])
+                range->min_ip = *(u_int32_t *)NFA_DATA(tb[CTA_NAT_MINIP-1]);
+
+        if (!tb[CTA_NAT_MAXIP-1])
+                range->max_ip = range->min_ip;
+        else
+                range->max_ip = *(u_int32_t *)NFA_DATA(tb[CTA_NAT_MAXIP-1]);
+
+        if (range->min_ip)
+                range->flags |= IP_NAT_RANGE_MAP_IPS;
+
+        if (!tb[CTA_NAT_PROTO-1])
+                return 0;
+
+        err = ctnetlink_parse_nat_proto(tb[CTA_NAT_PROTO-1], ct, range);
+        if (err < 0)
+                return err;
+
+        DEBUGP("leaving\n");
+        return 0;
+}
+#endif
+
+static inline int
+ctnetlink_parse_help(struct nfattr *attr, char **helper_name)
+{
+        struct nfattr *tb[CTA_HELP_MAX];
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        nfattr_parse_nested(tb, CTA_HELP_MAX, attr);
+
+        if (!tb[CTA_HELP_NAME-1])
+                return -EINVAL;
+
+        *helper_name = NFA_DATA(tb[CTA_HELP_NAME-1]);
+
+        return 0;
+}
+
+static const size_t cta_min[CTA_MAX] = {
+        [CTA_STATUS-1]          = sizeof(u_int32_t),
+        [CTA_TIMEOUT-1]         = sizeof(u_int32_t),
+        [CTA_MARK-1]            = sizeof(u_int32_t),
+        [CTA_USE-1]             = sizeof(u_int32_t),
+        [CTA_ID-1]              = sizeof(u_int32_t)
+};
+
+static int
+ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb, 
+                        struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
+{
+        struct nf_conntrack_tuple_hash *h;
+        struct nf_conntrack_tuple tuple;
+        struct nf_conn *ct;
+        struct nfgenmsg *nfmsg = NLMSG_DATA(nlh);
+        u_int8_t u3 = nfmsg->nfgen_family;
+        int err = 0;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        if (nfattr_bad_size(cda, CTA_MAX, cta_min))
+                return -EINVAL;
+
+        if (cda[CTA_TUPLE_ORIG-1])
+                err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_ORIG, u3);
+        else if (cda[CTA_TUPLE_REPLY-1])
+                err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_REPLY, u3);
+        else {
+                /* Flush the whole table */
+                nf_conntrack_flush();
+                return 0;
+        }
+
+        if (err < 0)
+                return err;
+
+        h = nf_conntrack_find_get(&tuple, NULL);
+        if (!h) {
+                DEBUGP("tuple not found in conntrack hash\n");
+                return -ENOENT;
+        }
+
+        ct = nf_ct_tuplehash_to_ctrack(h);
+        
+        if (cda[CTA_ID-1]) {
+                u_int32_t id = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_ID-1]));
+                if (ct->id != id) {
+                        nf_ct_put(ct);
+                        return -ENOENT;
+                }
+        }       
+        if (del_timer(&ct->timeout))
+                ct->timeout.function((unsigned long)ct);
+
+        nf_ct_put(ct);
+        DEBUGP("leaving\n");
+
+        return 0;
+}
+
+static int
+ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb, 
+                        struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
+{
+        struct nf_conntrack_tuple_hash *h;
+        struct nf_conntrack_tuple tuple;
+        struct nf_conn *ct;
+        struct sk_buff *skb2 = NULL;
+        struct nfgenmsg *nfmsg = NLMSG_DATA(nlh);
+        u_int8_t u3 = nfmsg->nfgen_family;
+        int err = 0;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        if (nlh->nlmsg_flags & NLM_F_DUMP) {
+                u32 rlen;
+
+                if (NFNL_MSG_TYPE(nlh->nlmsg_type) ==
+                                        IPCTNL_MSG_CT_GET_CTRZERO) {
+#ifdef CONFIG_NF_CT_ACCT
+                        if ((*errp = netlink_dump_start(ctnl, skb, nlh,
+                                                ctnetlink_dump_table_w,
+                                                ctnetlink_done)) != 0)
+                                return -EINVAL;
+#else
+                        return -ENOTSUPP;
+#endif
+                } else {
+                        if ((*errp = netlink_dump_start(ctnl, skb, nlh,
+                                                        ctnetlink_dump_table,
+                                                        ctnetlink_done)) != 0)
+                        return -EINVAL;
+                }
+
+                rlen = NLMSG_ALIGN(nlh->nlmsg_len);
+                if (rlen > skb->len)
+                        rlen = skb->len;
+                skb_pull(skb, rlen);
+                return 0;
+        }
+
+        if (nfattr_bad_size(cda, CTA_MAX, cta_min))
+                return -EINVAL;
+
+        if (cda[CTA_TUPLE_ORIG-1])
+                err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_ORIG, u3);
+        else if (cda[CTA_TUPLE_REPLY-1])
+                err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_REPLY, u3);
+        else
+                return -EINVAL;
+
+        if (err < 0)
+                return err;
+
+        h = nf_conntrack_find_get(&tuple, NULL);
+        if (!h) {
+                DEBUGP("tuple not found in conntrack hash");
+                return -ENOENT;
+        }
+        DEBUGP("tuple found\n");
+        ct = nf_ct_tuplehash_to_ctrack(h);
+
+        err = -ENOMEM;
+        skb2 = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
+        if (!skb2) {
+                nf_ct_put(ct);
+                return -ENOMEM;
+        }
+        NETLINK_CB(skb2).dst_pid = NETLINK_CB(skb).pid;
+
+        err = ctnetlink_fill_info(skb2, NETLINK_CB(skb).pid, nlh->nlmsg_seq, 
+                                  IPCTNL_MSG_CT_NEW, 1, ct);
+        nf_ct_put(ct);
+        if (err <= 0)
+                goto free;
+
+        err = netlink_unicast(ctnl, skb2, NETLINK_CB(skb).pid, MSG_DONTWAIT);
+        if (err < 0)
+                goto out;
+
+        DEBUGP("leaving\n");
+        return 0;
+
+free:
+        kfree_skb(skb2);
+out:
+        return err;
+}
+
+static inline int
+ctnetlink_change_status(struct nf_conn *ct, struct nfattr *cda[])
+{
+        unsigned long d;
+        unsigned status = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_STATUS-1]));
+        d = ct->status ^ status;
+
+        if (d & (IPS_EXPECTED|IPS_CONFIRMED|IPS_DYING))
+                /* unchangeable */
+                return -EINVAL;
+        
+        if (d & IPS_SEEN_REPLY && !(status & IPS_SEEN_REPLY))
+                /* SEEN_REPLY bit can only be set */
+                return -EINVAL;
+
+        
+        if (d & IPS_ASSURED && !(status & IPS_ASSURED))
+                /* ASSURED bit can only be set */
+                return -EINVAL;
+
+        if (cda[CTA_NAT-1]) {
+#ifndef CONFIG_IP_NF_NAT_NEEDED
+                return -EINVAL;
+#else
+                unsigned int hooknum;
+                struct ip_nat_range range;
+
+                if (ctnetlink_parse_nat(cda, ct, &range) < 0)
+                        return -EINVAL;
+
+                DEBUGP("NAT: %u.%u.%u.%u-%u.%u.%u.%u:%u-%u\n", 
+                       NIPQUAD(range.min_ip), NIPQUAD(range.max_ip),
+                       htons(range.min.all), htons(range.max.all));
+                
+                /* This is tricky but it works. ip_nat_setup_info needs the
+                 * hook number as parameter, so let's do the correct 
+                 * conversion and run away */
+                if (status & IPS_SRC_NAT_DONE)
+                        hooknum = NF_IP_POST_ROUTING; /* IP_NAT_MANIP_SRC */
+                else if (status & IPS_DST_NAT_DONE)
+                        hooknum = NF_IP_PRE_ROUTING;  /* IP_NAT_MANIP_DST */
+                else 
+                        return -EINVAL; /* Missing NAT flags */
+
+                DEBUGP("NAT status: %lu\n", 
+                       status & (IPS_NAT_MASK | IPS_NAT_DONE_MASK));
+                
+                if (ip_nat_initialized(ct, HOOK2MANIP(hooknum)))
+                        return -EEXIST;
+                ip_nat_setup_info(ct, &range, hooknum);
+
+                DEBUGP("NAT status after setup_info: %lu\n",
+                       ct->status & (IPS_NAT_MASK | IPS_NAT_DONE_MASK));
+#endif
+        }
+
+        /* Be careful here, modifying NAT bits can screw up things,
+         * so don't let users modify them directly if they don't pass
+         * ip_nat_range. */
+        ct->status |= status & ~(IPS_NAT_DONE_MASK | IPS_NAT_MASK);
+        return 0;
+}
+
+
+static inline int
+ctnetlink_change_helper(struct nf_conn *ct, struct nfattr *cda[])
+{
+        struct nf_conntrack_helper *helper;
+        char *helpname;
+        int err;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        /* don't change helper of sibling connections */
+        if (ct->master)
+                return -EINVAL;
+
+        err = ctnetlink_parse_help(cda[CTA_HELP-1], &helpname);
+        if (err < 0)
+                return err;
+
+        helper = __nf_conntrack_helper_find_byname(helpname);
+        if (!helper) {
+                if (!strcmp(helpname, ""))
+                        helper = NULL;
+                else
+                        return -EINVAL;
+        }
+
+        if (ct->helper) {
+                if (!helper) {
+                        /* we had a helper before ... */
+                        nf_ct_remove_expectations(ct);
+                        ct->helper = NULL;
+                } else {
+                        /* need to zero data of old helper */
+                        memset(&ct->help, 0, sizeof(ct->help));
+                }
+        }
+        
+        ct->helper = helper;
+
+        return 0;
+}
+
+static inline int
+ctnetlink_change_timeout(struct nf_conn *ct, struct nfattr *cda[])
+{
+        u_int32_t timeout = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_TIMEOUT-1]));
+        
+        if (!del_timer(&ct->timeout))
+                return -ETIME;
+
+        ct->timeout.expires = jiffies + timeout * HZ;
+        add_timer(&ct->timeout);
+
+        return 0;
+}
+
+static inline int
+ctnetlink_change_protoinfo(struct nf_conn *ct, struct nfattr *cda[])
+{
+        struct nfattr *tb[CTA_PROTOINFO_MAX], *attr = cda[CTA_PROTOINFO-1];
+        struct nf_conntrack_protocol *proto;
+        u_int16_t npt = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum;
+        u_int16_t l3num = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num;
+        int err = 0;
+
+        nfattr_parse_nested(tb, CTA_PROTOINFO_MAX, attr);
+
+        proto = nf_ct_proto_find_get(l3num, npt);
+
+        if (proto->from_nfattr)
+                err = proto->from_nfattr(tb, ct);
+        nf_ct_proto_put(proto); 
+
+        return err;
+}
+
+static int
+ctnetlink_change_conntrack(struct nf_conn *ct, struct nfattr *cda[])
+{
+        int err;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        if (cda[CTA_HELP-1]) {
+                err = ctnetlink_change_helper(ct, cda);
+                if (err < 0)
+                        return err;
+        }
+
+        if (cda[CTA_TIMEOUT-1]) {
+                err = ctnetlink_change_timeout(ct, cda);
+                if (err < 0)
+                        return err;
+        }
+
+        if (cda[CTA_STATUS-1]) {
+                err = ctnetlink_change_status(ct, cda);
+                if (err < 0)
+                        return err;
+        }
+
+        if (cda[CTA_PROTOINFO-1]) {
+                err = ctnetlink_change_protoinfo(ct, cda);
+                if (err < 0)
+                        return err;
+        }
+
+#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
+        if (cda[CTA_MARK-1])
+                ct->mark = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_MARK-1]));
+#endif
+
+        DEBUGP("all done\n");
+        return 0;
+}
+
+static int
+ctnetlink_create_conntrack(struct nfattr *cda[], 
+                           struct nf_conntrack_tuple *otuple,
+                           struct nf_conntrack_tuple *rtuple)
+{
+        struct nf_conn *ct;
+        int err = -EINVAL;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        ct = nf_conntrack_alloc(otuple, rtuple);
+        if (ct == NULL || IS_ERR(ct))
+                return -ENOMEM; 
+
+        if (!cda[CTA_TIMEOUT-1])
+                goto err;
+        ct->timeout.expires = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_TIMEOUT-1]));
+
+        ct->timeout.expires = jiffies + ct->timeout.expires * HZ;
+        ct->status |= IPS_CONFIRMED;
+
+        err = ctnetlink_change_status(ct, cda);
+        if (err < 0)
+                goto err;
+
+        if (cda[CTA_PROTOINFO-1]) {
+                err = ctnetlink_change_protoinfo(ct, cda);
+                if (err < 0)
+                        return err;
+        }
+
+#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
+        if (cda[CTA_MARK-1])
+                ct->mark = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_MARK-1]));
+#endif
+
+        ct->helper = nf_ct_helper_find_get(rtuple);
+
+        add_timer(&ct->timeout);
+        nf_conntrack_hash_insert(ct);
+
+        if (ct->helper)
+                nf_ct_helper_put(ct->helper);
+
+        DEBUGP("conntrack with id %u inserted\n", ct->id);
+        return 0;
+
+err:    
+        nf_conntrack_free(ct);
+        return err;
+}
+
+static int 
+ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb, 
+                        struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
+{
+        struct nf_conntrack_tuple otuple, rtuple;
+        struct nf_conntrack_tuple_hash *h = NULL;
+        struct nfgenmsg *nfmsg = NLMSG_DATA(nlh);
+        u_int8_t u3 = nfmsg->nfgen_family;
+        int err = 0;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        if (nfattr_bad_size(cda, CTA_MAX, cta_min))
+                return -EINVAL;
+
+        if (cda[CTA_TUPLE_ORIG-1]) {
+                err = ctnetlink_parse_tuple(cda, &otuple, CTA_TUPLE_ORIG, u3);
+                if (err < 0)
+                        return err;
+        }
+
+        if (cda[CTA_TUPLE_REPLY-1]) {
+                err = ctnetlink_parse_tuple(cda, &rtuple, CTA_TUPLE_REPLY, u3);
+                if (err < 0)
+                        return err;
+        }
+
+        write_lock_bh(&nf_conntrack_lock);
+        if (cda[CTA_TUPLE_ORIG-1])
+                h = __nf_conntrack_find(&otuple, NULL);
+        else if (cda[CTA_TUPLE_REPLY-1])
+                h = __nf_conntrack_find(&rtuple, NULL);
+
+        if (h == NULL) {
+                write_unlock_bh(&nf_conntrack_lock);
+                DEBUGP("no such conntrack, create new\n");
+                err = -ENOENT;
+                if (nlh->nlmsg_flags & NLM_F_CREATE)
+                        err = ctnetlink_create_conntrack(cda, &otuple, &rtuple);
+                return err;
+        }
+        /* implicit 'else' */
+
+        /* we only allow nat config for new conntracks */
+        if (cda[CTA_NAT-1]) {
+                err = -EINVAL;
+                goto out_unlock;
+        }
+
+        /* We manipulate the conntrack inside the global conntrack table lock,
+         * so there's no need to increase the refcount */
+        DEBUGP("conntrack found\n");
+        err = -EEXIST;
+        if (!(nlh->nlmsg_flags & NLM_F_EXCL))
+                err = ctnetlink_change_conntrack(nf_ct_tuplehash_to_ctrack(h), cda);
+
+out_unlock:
+        write_unlock_bh(&nf_conntrack_lock);
+        return err;
+}
+
+/*********************************************************************** 
+ * EXPECT 
+ ***********************************************************************/ 
+
+static inline int
+ctnetlink_exp_dump_tuple(struct sk_buff *skb,
+                         const struct nf_conntrack_tuple *tuple,
+                         enum ctattr_expect type)
+{
+        struct nfattr *nest_parms = NFA_NEST(skb, type);
+        
+        if (ctnetlink_dump_tuples(skb, tuple) < 0)
+                goto nfattr_failure;
+
+        NFA_NEST_END(skb, nest_parms);
+
+        return 0;
+
+nfattr_failure:
+        return -1;
+}                       
+
+static inline int
+ctnetlink_exp_dump_expect(struct sk_buff *skb,
+                          const struct nf_conntrack_expect *exp)
+{
+        struct nf_conn *master = exp->master;
+        u_int32_t timeout = htonl((exp->timeout.expires - jiffies) / HZ);
+        u_int32_t id = htonl(exp->id);
+
+        if (ctnetlink_exp_dump_tuple(skb, &exp->tuple, CTA_EXPECT_TUPLE) < 0)
+                goto nfattr_failure;
+        if (ctnetlink_exp_dump_tuple(skb, &exp->mask, CTA_EXPECT_MASK) < 0)
+                goto nfattr_failure;
+        if (ctnetlink_exp_dump_tuple(skb,
+                                 &master->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
+                                 CTA_EXPECT_MASTER) < 0)
+                goto nfattr_failure;
+        
+        NFA_PUT(skb, CTA_EXPECT_TIMEOUT, sizeof(timeout), &timeout);
+        NFA_PUT(skb, CTA_EXPECT_ID, sizeof(u_int32_t), &id);
+
+        return 0;
+        
+nfattr_failure:
+        return -1;
+}
+
+static int
+ctnetlink_exp_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
+                    int event, 
+                    int nowait, 
+                    const struct nf_conntrack_expect *exp)
+{
+        struct nlmsghdr *nlh;
+        struct nfgenmsg *nfmsg;
+        unsigned char *b;
+
+        b = skb->tail;
+
+        event |= NFNL_SUBSYS_CTNETLINK_EXP << 8;
+        nlh    = NLMSG_PUT(skb, pid, seq, event, sizeof(struct nfgenmsg));
+        nfmsg  = NLMSG_DATA(nlh);
+
+        nlh->nlmsg_flags    = (nowait && pid) ? NLM_F_MULTI : 0;
+        nfmsg->nfgen_family = exp->tuple.src.l3num;
+        nfmsg->version      = NFNETLINK_V0;
+        nfmsg->res_id       = 0;
+
+        if (ctnetlink_exp_dump_expect(skb, exp) < 0)
+                goto nfattr_failure;
+
+        nlh->nlmsg_len = skb->tail - b;
+        return skb->len;
+
+nlmsg_failure:
+nfattr_failure:
+        skb_trim(skb, b - skb->data);
+        return -1;
+}
+
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+static int ctnetlink_expect_event(struct notifier_block *this,
+                                  unsigned long events, void *ptr)
+{
+        struct nlmsghdr *nlh;
+        struct nfgenmsg *nfmsg;
+        struct nf_conntrack_expect *exp = (struct nf_conntrack_expect *)ptr;
+        struct sk_buff *skb;
+        unsigned int type;
+        unsigned char *b;
+        int flags = 0;
+
+        if (events & IPEXP_NEW) {
+                type = IPCTNL_MSG_EXP_NEW;
+                flags = NLM_F_CREATE|NLM_F_EXCL;
+        } else
+                return NOTIFY_DONE;
+
+        skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
+        if (!skb)
+                return NOTIFY_DONE;
+
+        b = skb->tail;
+
+        type |= NFNL_SUBSYS_CTNETLINK << 8;
+        nlh   = NLMSG_PUT(skb, 0, 0, type, sizeof(struct nfgenmsg));
+        nfmsg = NLMSG_DATA(nlh);
+
+        nlh->nlmsg_flags    = flags;
+        nfmsg->nfgen_family = exp->tuple.src.l3num;
+        nfmsg->version      = NFNETLINK_V0;
+        nfmsg->res_id       = 0;
+
+        if (ctnetlink_exp_dump_expect(skb, exp) < 0)
+                goto nfattr_failure;
+
+        nlh->nlmsg_len = skb->tail - b;
+        nfnetlink_send(skb, 0, NFNLGRP_CONNTRACK_EXP_NEW, 0);
+        return NOTIFY_DONE;
+
+nlmsg_failure:
+nfattr_failure:
+        kfree_skb(skb);
+        return NOTIFY_DONE;
+}
+#endif
+
+static int
+ctnetlink_exp_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
+{
+        struct nf_conntrack_expect *exp = NULL;
+        struct list_head *i;
+        u_int32_t *id = (u_int32_t *) &cb->args[0];
+        struct nfgenmsg *nfmsg = NLMSG_DATA(cb->nlh);
+        u_int8_t l3proto = nfmsg->nfgen_family;
+
+        DEBUGP("entered %s, last id=%llu\n", __FUNCTION__, *id);
+
+        read_lock_bh(&nf_conntrack_lock);
+        list_for_each_prev(i, &nf_conntrack_expect_list) {
+                exp = (struct nf_conntrack_expect *) i;
+                if (l3proto && exp->tuple.src.l3num != l3proto)
+                        continue;
+                if (exp->id <= *id)
+                        continue;
+                if (ctnetlink_exp_fill_info(skb, NETLINK_CB(cb->skb).pid,
+                                            cb->nlh->nlmsg_seq,
+                                            IPCTNL_MSG_EXP_NEW,
+                                            1, exp) < 0)
+                        goto out;
+                *id = exp->id;
+        }
+out:    
+        read_unlock_bh(&nf_conntrack_lock);
+
+        DEBUGP("leaving, last id=%llu\n", *id);
+
+        return skb->len;
+}
+
+static const size_t cta_min_exp[CTA_EXPECT_MAX] = {
+        [CTA_EXPECT_TIMEOUT-1]          = sizeof(u_int32_t),
+        [CTA_EXPECT_ID-1]               = sizeof(u_int32_t)
+};
+
+static int
+ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb, 
+                     struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
+{
+        struct nf_conntrack_tuple tuple;
+        struct nf_conntrack_expect *exp;
+        struct sk_buff *skb2;
+        struct nfgenmsg *nfmsg = NLMSG_DATA(nlh);
+        u_int8_t u3 = nfmsg->nfgen_family;
+        int err = 0;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        if (nfattr_bad_size(cda, CTA_EXPECT_MAX, cta_min_exp))
+                return -EINVAL;
+
+        if (nlh->nlmsg_flags & NLM_F_DUMP) {
+                u32 rlen;
+
+                if ((*errp = netlink_dump_start(ctnl, skb, nlh,
+                                                ctnetlink_exp_dump_table,
+                                                ctnetlink_done)) != 0)
+                        return -EINVAL;
+                rlen = NLMSG_ALIGN(nlh->nlmsg_len);
+                if (rlen > skb->len)
+                        rlen = skb->len;
+                skb_pull(skb, rlen);
+                return 0;
+        }
+
+        if (cda[CTA_EXPECT_MASTER-1])
+                err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_MASTER, u3);
+        else
+                return -EINVAL;
+
+        if (err < 0)
+                return err;
+
+        exp = nf_conntrack_expect_find(&tuple);
+        if (!exp)
+                return -ENOENT;
+
+        if (cda[CTA_EXPECT_ID-1]) {
+                u_int32_t id = *(u_int32_t *)NFA_DATA(cda[CTA_EXPECT_ID-1]);
+                if (exp->id != ntohl(id)) {
+                        nf_conntrack_expect_put(exp);
+                        return -ENOENT;
+                }
+        }       
+
+        err = -ENOMEM;
+        skb2 = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
+        if (!skb2)
+                goto out;
+        NETLINK_CB(skb2).dst_pid = NETLINK_CB(skb).pid;
+        
+        err = ctnetlink_exp_fill_info(skb2, NETLINK_CB(skb).pid, 
+                                      nlh->nlmsg_seq, IPCTNL_MSG_EXP_NEW,
+                                      1, exp);
+        if (err <= 0)
+                goto free;
+
+        nf_conntrack_expect_put(exp);
+
+        return netlink_unicast(ctnl, skb2, NETLINK_CB(skb).pid, MSG_DONTWAIT);
+
+free:
+        kfree_skb(skb2);
+out:
+        nf_conntrack_expect_put(exp);
+        return err;
+}
+
+static int
+ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb, 
+                     struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
+{
+        struct nf_conntrack_expect *exp, *tmp;
+        struct nf_conntrack_tuple tuple;
+        struct nf_conntrack_helper *h;
+        struct nfgenmsg *nfmsg = NLMSG_DATA(nlh);
+        u_int8_t u3 = nfmsg->nfgen_family;
+        int err;
+
+        if (nfattr_bad_size(cda, CTA_EXPECT_MAX, cta_min_exp))
+                return -EINVAL;
+
+        if (cda[CTA_EXPECT_TUPLE-1]) {
+                /* delete a single expect by tuple */
+                err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, u3);
+                if (err < 0)
+                        return err;
+
+                /* bump usage count to 2 */
+                exp = nf_conntrack_expect_find(&tuple);
+                if (!exp)
+                        return -ENOENT;
+
+                if (cda[CTA_EXPECT_ID-1]) {
+                        u_int32_t id = 
+                                *(u_int32_t *)NFA_DATA(cda[CTA_EXPECT_ID-1]);
+                        if (exp->id != ntohl(id)) {
+                                nf_conntrack_expect_put(exp);
+                                return -ENOENT;
+                        }
+                }
+
+                /* after list removal, usage count == 1 */
+                nf_conntrack_unexpect_related(exp);
+                /* have to put what we 'get' above. 
+                 * after this line usage count == 0 */
+                nf_conntrack_expect_put(exp);
+        } else if (cda[CTA_EXPECT_HELP_NAME-1]) {
+                char *name = NFA_DATA(cda[CTA_EXPECT_HELP_NAME-1]);
+
+                /* delete all expectations for this helper */
+                write_lock_bh(&nf_conntrack_lock);
+                h = __nf_conntrack_helper_find_byname(name);
+                if (!h) {
+                        write_unlock_bh(&nf_conntrack_lock);
+                        return -EINVAL;
+                }
+                list_for_each_entry_safe(exp, tmp, &nf_conntrack_expect_list,
+                                         list) {
+                        if (exp->master->helper == h 
+                            && del_timer(&exp->timeout)) {
+                                nf_ct_unlink_expect(exp);
+                                nf_conntrack_expect_put(exp);
+                        }
+                }
+                write_unlock_bh(&nf_conntrack_lock);
+        } else {
+                /* This basically means we have to flush everything*/
+                write_lock_bh(&nf_conntrack_lock);
+                list_for_each_entry_safe(exp, tmp, &nf_conntrack_expect_list,
+                                         list) {
+                        if (del_timer(&exp->timeout)) {
+                                nf_ct_unlink_expect(exp);
+                                nf_conntrack_expect_put(exp);
+                        }
+                }
+                write_unlock_bh(&nf_conntrack_lock);
+        }
+
+        return 0;
+}
+static int
+ctnetlink_change_expect(struct nf_conntrack_expect *x, struct nfattr *cda[])
+{
+        return -EOPNOTSUPP;
+}
+
+static int
+ctnetlink_create_expect(struct nfattr *cda[], u_int8_t u3)
+{
+        struct nf_conntrack_tuple tuple, mask, master_tuple;
+        struct nf_conntrack_tuple_hash *h = NULL;
+        struct nf_conntrack_expect *exp;
+        struct nf_conn *ct;
+        int err = 0;
+
+        DEBUGP("entered %s\n", __FUNCTION__);
+
+        /* caller guarantees that those three CTA_EXPECT_* exist */
+        err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, u3);
+        if (err < 0)
+                return err;
+        err = ctnetlink_parse_tuple(cda, &mask, CTA_EXPECT_MASK, u3);
+        if (err < 0)
+                return err;
+        err = ctnetlink_parse_tuple(cda, &master_tuple, CTA_EXPECT_MASTER, u3);
+        if (err < 0)
+                return err;
+
+        /* Look for master conntrack of this expectation */
+        h = nf_conntrack_find_get(&master_tuple, NULL);
+        if (!h)
+                return -ENOENT;
+        ct = nf_ct_tuplehash_to_ctrack(h);
+
+        if (!ct->helper) {
+                /* such conntrack hasn't got any helper, abort */
+                err = -EINVAL;
+                goto out;
+        }
+
+        exp = nf_conntrack_expect_alloc(ct);
+        if (!exp) {
+                err = -ENOMEM;
+                goto out;
+        }
+        
+        exp->expectfn = NULL;
+        exp->flags = 0;
+        exp->master = ct;
+        memcpy(&exp->tuple, &tuple, sizeof(struct nf_conntrack_tuple));
+        memcpy(&exp->mask, &mask, sizeof(struct nf_conntrack_tuple));
+
+        err = nf_conntrack_expect_related(exp);
+        nf_conntrack_expect_put(exp);
+
+out:    
+        nf_ct_put(nf_ct_tuplehash_to_ctrack(h));
+        return err;
+}
+
+static int
+ctnetlink_new_expect(struct sock *ctnl, struct sk_buff *skb,
+                     struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
+{
+        struct nf_conntrack_tuple tuple;
+        struct nf_conntrack_expect *exp;
+        struct nfgenmsg *nfmsg = NLMSG_DATA(nlh);
+        u_int8_t u3 = nfmsg->nfgen_family;
+        int err = 0;
+
+        DEBUGP("entered %s\n", __FUNCTION__);   
+
+        if (nfattr_bad_size(cda, CTA_EXPECT_MAX, cta_min_exp))
+                return -EINVAL;
+
+        if (!cda[CTA_EXPECT_TUPLE-1]
+            || !cda[CTA_EXPECT_MASK-1]
+            || !cda[CTA_EXPECT_MASTER-1])
+                return -EINVAL;
+
+        err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, u3);
+        if (err < 0)
+                return err;
+
+        write_lock_bh(&nf_conntrack_lock);
+        exp = __nf_conntrack_expect_find(&tuple);
+
+        if (!exp) {
+                write_unlock_bh(&nf_conntrack_lock);
+                err = -ENOENT;
+                if (nlh->nlmsg_flags & NLM_F_CREATE)
+                        err = ctnetlink_create_expect(cda, u3);
+                return err;
+        }
+
+        err = -EEXIST;
+        if (!(nlh->nlmsg_flags & NLM_F_EXCL))
+                err = ctnetlink_change_expect(exp, cda);
+        write_unlock_bh(&nf_conntrack_lock);
+
+        DEBUGP("leaving\n");
+        
+        return err;
+}
+
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+static struct notifier_block ctnl_notifier = {
+        .notifier_call  = ctnetlink_conntrack_event,
+};
+
+static struct notifier_block ctnl_notifier_exp = {
+        .notifier_call  = ctnetlink_expect_event,
+};
+#endif
+
+static struct nfnl_callback ctnl_cb[IPCTNL_MSG_MAX] = {
+        [IPCTNL_MSG_CT_NEW]             = { .call = ctnetlink_new_conntrack,
+                                            .attr_count = CTA_MAX, },
+        [IPCTNL_MSG_CT_GET]             = { .call = ctnetlink_get_conntrack,
+                                            .attr_count = CTA_MAX, },
+        [IPCTNL_MSG_CT_DELETE]          = { .call = ctnetlink_del_conntrack,
+                                            .attr_count = CTA_MAX, },
+        [IPCTNL_MSG_CT_GET_CTRZERO]     = { .call = ctnetlink_get_conntrack,
+                                            .attr_count = CTA_MAX, },
+};
+
+static struct nfnl_callback ctnl_exp_cb[IPCTNL_MSG_EXP_MAX] = {
+        [IPCTNL_MSG_EXP_GET]            = { .call = ctnetlink_get_expect,
+                                            .attr_count = CTA_EXPECT_MAX, },
+        [IPCTNL_MSG_EXP_NEW]            = { .call = ctnetlink_new_expect,
+                                            .attr_count = CTA_EXPECT_MAX, },
+        [IPCTNL_MSG_EXP_DELETE]         = { .call = ctnetlink_del_expect,
+                                            .attr_count = CTA_EXPECT_MAX, },
+};
+
+static struct nfnetlink_subsystem ctnl_subsys = {
+        .name                           = "conntrack",
+        .subsys_id                      = NFNL_SUBSYS_CTNETLINK,
+        .cb_count                       = IPCTNL_MSG_MAX,
+        .cb                             = ctnl_cb,
+};
+
+static struct nfnetlink_subsystem ctnl_exp_subsys = {
+        .name                           = "conntrack_expect",
+        .subsys_id                      = NFNL_SUBSYS_CTNETLINK_EXP,
+        .cb_count                       = IPCTNL_MSG_EXP_MAX,
+        .cb                             = ctnl_exp_cb,
+};
+
+MODULE_ALIAS_NFNL_SUBSYS(NFNL_SUBSYS_CTNETLINK);
+
+static int __init ctnetlink_init(void)
+{
+        int ret;
+
+        printk("ctnetlink v%s: registering with nfnetlink.\n", version);
+        ret = nfnetlink_subsys_register(&ctnl_subsys);
+        if (ret < 0) {
+                printk("ctnetlink_init: cannot register with nfnetlink.\n");
+                goto err_out;
+        }
+
+        ret = nfnetlink_subsys_register(&ctnl_exp_subsys);
+        if (ret < 0) {
+                printk("ctnetlink_init: cannot register exp with nfnetlink.\n");
+                goto err_unreg_subsys;
+        }
+
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+        ret = nf_conntrack_register_notifier(&ctnl_notifier);
+        if (ret < 0) {
+                printk("ctnetlink_init: cannot register notifier.\n");
+                goto err_unreg_exp_subsys;
+        }
+
+        ret = nf_conntrack_expect_register_notifier(&ctnl_notifier_exp);
+        if (ret < 0) {
+                printk("ctnetlink_init: cannot expect register notifier.\n");
+                goto err_unreg_notifier;
+        }
+#endif
+
+        return 0;
+
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+err_unreg_notifier:
+        nf_conntrack_unregister_notifier(&ctnl_notifier);
+err_unreg_exp_subsys:
+        nfnetlink_subsys_unregister(&ctnl_exp_subsys);
+#endif
+err_unreg_subsys:
+        nfnetlink_subsys_unregister(&ctnl_subsys);
+err_out:
+        return ret;
+}
+
+static void __exit ctnetlink_exit(void)
+{
+        printk("ctnetlink: unregistering from nfnetlink.\n");
+
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+        nf_conntrack_unregister_notifier(&ctnl_notifier_exp);
+        nf_conntrack_unregister_notifier(&ctnl_notifier);
+#endif
+
+        nfnetlink_subsys_unregister(&ctnl_exp_subsys);
+        nfnetlink_subsys_unregister(&ctnl_subsys);
+        return;
+}
+
+module_init(ctnetlink_init);
+module_exit(ctnetlink_exit);
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 6035633d8225..6167137a5cb5 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -1147,6 +1147,63 @@ static int tcp_new(struct nf_conn *conntrack,
                 receiver->td_scale);
         return 1;
 }
+
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+
+#include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nfnetlink_conntrack.h>
+
+static int tcp_to_nfattr(struct sk_buff *skb, struct nfattr *nfa,
+                         const struct nf_conn *ct)
+{
+        struct nfattr *nest_parms;
+        
+        read_lock_bh(&tcp_lock);
+        nest_parms = NFA_NEST(skb, CTA_PROTOINFO_TCP);
+        NFA_PUT(skb, CTA_PROTOINFO_TCP_STATE, sizeof(u_int8_t),
+                &ct->proto.tcp.state);
+        read_unlock_bh(&tcp_lock);
+
+        NFA_NEST_END(skb, nest_parms);
+
+        return 0;
+
+nfattr_failure:
+        read_unlock_bh(&tcp_lock);
+        return -1;
+}
+
+static const size_t cta_min_tcp[CTA_PROTOINFO_TCP_MAX] = {
+        [CTA_PROTOINFO_TCP_STATE-1]     = sizeof(u_int8_t),
+};
+
+static int nfattr_to_tcp(struct nfattr *cda[], struct nf_conn *ct)
+{
+        struct nfattr *attr = cda[CTA_PROTOINFO_TCP-1];
+        struct nfattr *tb[CTA_PROTOINFO_TCP_MAX];
+
+        /* updates could not contain anything about the private
+         * protocol info, in that case skip the parsing */
+        if (!attr)
+                return 0;
+
+        nfattr_parse_nested(tb, CTA_PROTOINFO_TCP_MAX, attr);
+
+        if (nfattr_bad_size(tb, CTA_PROTOINFO_TCP_MAX, cta_min_tcp))
+                return -EINVAL;
+
+        if (!tb[CTA_PROTOINFO_TCP_STATE-1])
+                return -EINVAL;
+
+        write_lock_bh(&tcp_lock);
+        ct->proto.tcp.state = 
+                *(u_int8_t *)NFA_DATA(tb[CTA_PROTOINFO_TCP_STATE-1]);
+        write_unlock_bh(&tcp_lock);
+
+        return 0;
+}
+#endif
   
 struct nf_conntrack_protocol nf_conntrack_protocol_tcp4 =
 {
@@ -1160,6 +1217,13 @@ struct nf_conntrack_protocol nf_conntrack_protocol_tcp4 =
         .packet                 = tcp_packet,
         .new                    = tcp_new,
         .error                  = tcp_error4,
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+        .to_nfattr              = tcp_to_nfattr,
+        .from_nfattr            = nfattr_to_tcp,
+        .tuple_to_nfattr        = nf_ct_port_tuple_to_nfattr,
+        .nfattr_to_tuple        = nf_ct_port_nfattr_to_tuple,
+#endif
 };
 
 struct nf_conntrack_protocol nf_conntrack_protocol_tcp6 =
@@ -1174,6 +1238,13 @@ struct nf_conntrack_protocol nf_conntrack_protocol_tcp6 =
         .packet                 = tcp_packet,
         .new                    = tcp_new,
         .error                  = tcp_error6,
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+        .to_nfattr              = tcp_to_nfattr,
+        .from_nfattr            = nfattr_to_tcp,
+        .tuple_to_nfattr        = nf_ct_port_tuple_to_nfattr,
+        .nfattr_to_tuple        = nf_ct_port_nfattr_to_tuple,
+#endif
 };
 
 EXPORT_SYMBOL(nf_conntrack_protocol_tcp4);
diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c
index 3cae7ce420dd..1a592a556182 100644
--- a/net/netfilter/nf_conntrack_proto_udp.c
+++ b/net/netfilter/nf_conntrack_proto_udp.c
@@ -196,6 +196,11 @@ struct nf_conntrack_protocol nf_conntrack_protocol_udp4 =
         .packet                 = udp_packet,
         .new                    = udp_new,
         .error                  = udp_error4,
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+        .tuple_to_nfattr        = nf_ct_port_tuple_to_nfattr,
+        .nfattr_to_tuple        = nf_ct_port_nfattr_to_tuple,
+#endif
 };
 
 struct nf_conntrack_protocol nf_conntrack_protocol_udp6 =
@@ -210,6 +215,11 @@ struct nf_conntrack_protocol nf_conntrack_protocol_udp6 =
         .packet                 = udp_packet,
         .new                    = udp_new,
         .error                  = udp_error6,
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+        .tuple_to_nfattr        = nf_ct_port_tuple_to_nfattr,
+        .nfattr_to_tuple        = nf_ct_port_nfattr_to_tuple,
+#endif
 };
 
 EXPORT_SYMBOL(nf_conntrack_protocol_udp4);
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 5af381f9fe3d..d17e42b28c79 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -161,14 +161,14 @@ static int ct_seq_show(struct seq_file *s, void *v)
         if (NF_CT_DIRECTION(hash))
                 return 0;
 
-        l3proto = nf_ct_find_l3proto(conntrack->tuplehash[IP_CT_DIR_ORIGINAL]
-                                     .tuple.src.l3num);
+        l3proto = __nf_ct_l3proto_find(conntrack->tuplehash[IP_CT_DIR_ORIGINAL]
+                                       .tuple.src.l3num);
 
         NF_CT_ASSERT(l3proto);
-        proto = nf_ct_find_proto(conntrack->tuplehash[IP_CT_DIR_ORIGINAL]
-                                 .tuple.src.l3num,
-                                 conntrack->tuplehash[IP_CT_DIR_ORIGINAL]
-                                 .tuple.dst.protonum);
+        proto = __nf_ct_proto_find(conntrack->tuplehash[IP_CT_DIR_ORIGINAL]
+                                   .tuple.src.l3num,
+                                   conntrack->tuplehash[IP_CT_DIR_ORIGINAL]
+                                   .tuple.dst.protonum);
         NF_CT_ASSERT(proto);
 
         if (seq_printf(s, "%-8s %u %-8s %u %ld ",
@@ -307,9 +307,9 @@ static int exp_seq_show(struct seq_file *s, void *v)
                    expect->tuple.src.l3num,
                    expect->tuple.dst.protonum);
         print_tuple(s, &expect->tuple,
-                    nf_ct_find_l3proto(expect->tuple.src.l3num),
-                    nf_ct_find_proto(expect->tuple.src.l3num,
-                                     expect->tuple.dst.protonum));
+                    __nf_ct_l3proto_find(expect->tuple.src.l3num),
+                    __nf_ct_proto_find(expect->tuple.src.l3num,
+                                       expect->tuple.dst.protonum));
         return seq_putc(s, '\n');
 }
 
@@ -847,7 +847,11 @@ EXPORT_SYMBOL(nf_conntrack_helper_unregister);
 EXPORT_SYMBOL(nf_ct_iterate_cleanup);
 EXPORT_SYMBOL(__nf_ct_refresh_acct);
 EXPORT_SYMBOL(nf_ct_protos);
-EXPORT_SYMBOL(nf_ct_find_proto);
+EXPORT_SYMBOL(__nf_ct_proto_find);
+EXPORT_SYMBOL(nf_ct_proto_find_get);
+EXPORT_SYMBOL(nf_ct_proto_put);
+EXPORT_SYMBOL(nf_ct_l3proto_find_get);
+EXPORT_SYMBOL(nf_ct_l3proto_put);
 EXPORT_SYMBOL(nf_ct_l3protos);
 EXPORT_SYMBOL(nf_conntrack_expect_alloc);
 EXPORT_SYMBOL(nf_conntrack_expect_put);
@@ -867,3 +871,21 @@ EXPORT_SYMBOL(nf_ct_get_tuple);
 EXPORT_SYMBOL(nf_ct_invert_tuple);
 EXPORT_SYMBOL(nf_conntrack_in);
 EXPORT_SYMBOL(__nf_conntrack_attach);
+EXPORT_SYMBOL(nf_conntrack_alloc);
+EXPORT_SYMBOL(nf_conntrack_free);
+EXPORT_SYMBOL(nf_conntrack_flush);
+EXPORT_SYMBOL(nf_ct_remove_expectations);
+EXPORT_SYMBOL(nf_ct_helper_find_get);
+EXPORT_SYMBOL(nf_ct_helper_put);
+EXPORT_SYMBOL(__nf_conntrack_helper_find_byname);
+EXPORT_SYMBOL(__nf_conntrack_find);
+EXPORT_SYMBOL(nf_ct_unlink_expect);
+EXPORT_SYMBOL(nf_conntrack_hash_insert);
+EXPORT_SYMBOL(__nf_conntrack_expect_find);
+EXPORT_SYMBOL(nf_conntrack_expect_find);
+EXPORT_SYMBOL(nf_conntrack_expect_list);
+#if defined(CONFIG_NF_CT_NETLINK) || \
+    defined(CONFIG_NF_CT_NETLINK_MODULE)
+EXPORT_SYMBOL(nf_ct_port_tuple_to_nfattr);
+EXPORT_SYMBOL(nf_ct_port_nfattr_to_tuple);
+#endif
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 55afdda3d940..18ed9c5d209c 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -345,6 +345,10 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
         struct nfqnl_msg_packet_hdr pmsg;
         struct nlmsghdr *nlh;
         struct nfgenmsg *nfmsg;
+        struct nf_info *entinf = entry->info;
+        struct sk_buff *entskb = entry->skb;
+        struct net_device *indev;
+        struct net_device *outdev;
         unsigned int tmp_uint;
 
         QDEBUG("entered\n");
@@ -361,6 +365,8 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
                 + NLMSG_SPACE(sizeof(struct nfqnl_msg_packet_hw))
                 + NLMSG_SPACE(sizeof(struct nfqnl_msg_packet_timestamp));
 
+        outdev = entinf->outdev;
+
         spin_lock_bh(&queue->lock);
         
         switch (queue->copy_mode) {
@@ -370,15 +376,15 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
                 break;
         
         case NFQNL_COPY_PACKET:
-                if (entry->skb->ip_summed == CHECKSUM_HW &&
-                    (*errp = skb_checksum_help(entry->skb,
-                                               entry->info->outdev == NULL))) {
+                if (entskb->ip_summed == CHECKSUM_HW &&
+                    (*errp = skb_checksum_help(entskb,
+                                               outdev == NULL))) {
                         spin_unlock_bh(&queue->lock);
                         return NULL;
                 }
                 if (queue->copy_range == 0 
-                    || queue->copy_range > entry->skb->len)
-                        data_len = entry->skb->len;
+                    || queue->copy_range > entskb->len)
+                        data_len = entskb->len;
                 else
                         data_len = queue->copy_range;
                 
@@ -402,29 +408,30 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
                         NFNL_SUBSYS_QUEUE << 8 | NFQNL_MSG_PACKET,
                         sizeof(struct nfgenmsg));
         nfmsg = NLMSG_DATA(nlh);
-        nfmsg->nfgen_family = entry->info->pf;
+        nfmsg->nfgen_family = entinf->pf;
         nfmsg->version = NFNETLINK_V0;
         nfmsg->res_id = htons(queue->queue_num);
 
         pmsg.packet_id          = htonl(entry->id);
-        pmsg.hw_protocol        = htons(entry->skb->protocol);
-        pmsg.hook               = entry->info->hook;
+        pmsg.hw_protocol        = htons(entskb->protocol);
+        pmsg.hook               = entinf->hook;
 
         NFA_PUT(skb, NFQA_PACKET_HDR, sizeof(pmsg), &pmsg);
 
-        if (entry->info->indev) {
-                tmp_uint = htonl(entry->info->indev->ifindex);
+        indev = entinf->indev;
+        if (indev) {
+                tmp_uint = htonl(indev->ifindex);
 #ifndef CONFIG_BRIDGE_NETFILTER
                 NFA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint), &tmp_uint);
 #else
-                if (entry->info->pf == PF_BRIDGE) {
+                if (entinf->pf == PF_BRIDGE) {
                         /* Case 1: indev is physical input device, we need to
                          * look for bridge group (when called from 
                          * netfilter_bridge) */
                         NFA_PUT(skb, NFQA_IFINDEX_PHYSINDEV, sizeof(tmp_uint), 
                                 &tmp_uint);
                         /* this is the bridge group "brX" */
-                        tmp_uint = htonl(entry->info->indev->br_port->br->dev->ifindex);
+                        tmp_uint = htonl(indev->br_port->br->dev->ifindex);
                         NFA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint),
                                 &tmp_uint);
                 } else {
@@ -432,9 +439,9 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
                          * physical device (when called from ipv4) */
                         NFA_PUT(skb, NFQA_IFINDEX_INDEV, sizeof(tmp_uint),
                                 &tmp_uint);
-                        if (entry->skb->nf_bridge
-                            && entry->skb->nf_bridge->physindev) {
-                                tmp_uint = htonl(entry->skb->nf_bridge->physindev->ifindex);
+                        if (entskb->nf_bridge
+                            && entskb->nf_bridge->physindev) {
+                                tmp_uint = htonl(entskb->nf_bridge->physindev->ifindex);
                                 NFA_PUT(skb, NFQA_IFINDEX_PHYSINDEV,
                                         sizeof(tmp_uint), &tmp_uint);
                         }
@@ -442,19 +449,19 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 #endif
         }
 
-        if (entry->info->outdev) {
-                tmp_uint = htonl(entry->info->outdev->ifindex);
+        if (outdev) {
+                tmp_uint = htonl(outdev->ifindex);
 #ifndef CONFIG_BRIDGE_NETFILTER
                 NFA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint), &tmp_uint);
 #else
-                if (entry->info->pf == PF_BRIDGE) {
+                if (entinf->pf == PF_BRIDGE) {
                         /* Case 1: outdev is physical output device, we need to
                          * look for bridge group (when called from 
                          * netfilter_bridge) */
                         NFA_PUT(skb, NFQA_IFINDEX_PHYSOUTDEV, sizeof(tmp_uint),
                                 &tmp_uint);
                         /* this is the bridge group "brX" */
-                        tmp_uint = htonl(entry->info->outdev->br_port->br->dev->ifindex);
+                        tmp_uint = htonl(outdev->br_port->br->dev->ifindex);
                         NFA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint),
                                 &tmp_uint);
                 } else {
@@ -462,9 +469,9 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
                          * physical output device (when called from ipv4) */
                         NFA_PUT(skb, NFQA_IFINDEX_OUTDEV, sizeof(tmp_uint),
                                 &tmp_uint);
-                        if (entry->skb->nf_bridge
-                            && entry->skb->nf_bridge->physoutdev) {
-                                tmp_uint = htonl(entry->skb->nf_bridge->physoutdev->ifindex);
+                        if (entskb->nf_bridge
+                            && entskb->nf_bridge->physoutdev) {
+                                tmp_uint = htonl(entskb->nf_bridge->physoutdev->ifindex);
                                 NFA_PUT(skb, NFQA_IFINDEX_PHYSOUTDEV,
                                         sizeof(tmp_uint), &tmp_uint);
                         }
@@ -472,27 +479,27 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 #endif
         }
 
-        if (entry->skb->nfmark) {
-                tmp_uint = htonl(entry->skb->nfmark);
+        if (entskb->nfmark) {
+                tmp_uint = htonl(entskb->nfmark);
                 NFA_PUT(skb, NFQA_MARK, sizeof(u_int32_t), &tmp_uint);
         }
 
-        if (entry->info->indev && entry->skb->dev
-            && entry->skb->dev->hard_header_parse) {
+        if (indev && entskb->dev
+            && entskb->dev->hard_header_parse) {
                 struct nfqnl_msg_packet_hw phw;
 
                 phw.hw_addrlen =
-                        entry->skb->dev->hard_header_parse(entry->skb,
+                        entskb->dev->hard_header_parse(entskb,
                                                            phw.hw_addr);
                 phw.hw_addrlen = htons(phw.hw_addrlen);
                 NFA_PUT(skb, NFQA_HWADDR, sizeof(phw), &phw);
         }
 
-        if (entry->skb->tstamp.off_sec) {
+        if (entskb->tstamp.off_sec) {
                 struct nfqnl_msg_packet_timestamp ts;
 
-                ts.sec = cpu_to_be64(entry->skb->tstamp.off_sec);
-                ts.usec = cpu_to_be64(entry->skb->tstamp.off_usec);
+                ts.sec = cpu_to_be64(entskb->tstamp.off_sec);
+                ts.usec = cpu_to_be64(entskb->tstamp.off_usec);
 
                 NFA_PUT(skb, NFQA_TIMESTAMP, sizeof(ts), &ts);
         }
@@ -510,7 +517,7 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
                 nfa->nfa_type = NFQA_PAYLOAD;
                 nfa->nfa_len = size;
 
-                if (skb_copy_bits(entry->skb, 0, NFA_DATA(nfa), data_len))
+                if (skb_copy_bits(entskb, 0, NFA_DATA(nfa), data_len))
                         BUG();
         }
                 
@@ -667,12 +674,14 @@ nfqnl_set_mode(struct nfqnl_instance *queue,
 static int
 dev_cmp(struct nfqnl_queue_entry *entry, unsigned long ifindex)
 {
-        if (entry->info->indev)
-                if (entry->info->indev->ifindex == ifindex)
+        struct nf_info *entinf = entry->info;
+        
+        if (entinf->indev)
+                if (entinf->indev->ifindex == ifindex)
                         return 1;
                         
-        if (entry->info->outdev)
-                if (entry->info->outdev->ifindex == ifindex)
+        if (entinf->outdev)
+                if (entinf->outdev->ifindex == ifindex)
                         return 1;
 
         return 0;