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

58 files changed, 1555 insertions, 756 deletions

diff --git a/net/bridge/netfilter/ebtable_broute.c b/net/bridge/netfilter/ebtable_broute.c
index 8604dfc1fc3b..c751111440f8 100644
--- a/net/bridge/netfilter/ebtable_broute.c
+++ b/net/bridge/netfilter/ebtable_broute.c
@@ -46,7 +46,6 @@ static struct ebt_table broute_table =
         .name           = "broute",
         .table          = &initial_table,
         .valid_hooks    = 1 << NF_BR_BROUTING,
-        .lock           = __RW_LOCK_UNLOCKED(broute_table.lock),
         .check          = check,
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebtable_filter.c b/net/bridge/netfilter/ebtable_filter.c
index 2b2e8040a9c6..a5eea72938a6 100644
--- a/net/bridge/netfilter/ebtable_filter.c
+++ b/net/bridge/netfilter/ebtable_filter.c
@@ -55,7 +55,6 @@ static struct ebt_table frame_filter =
         .name           = "filter",
         .table          = &initial_table,
         .valid_hooks    = FILTER_VALID_HOOKS,
-        .lock           = __RW_LOCK_UNLOCKED(frame_filter.lock),
         .check          = check,
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebtable_nat.c b/net/bridge/netfilter/ebtable_nat.c
index 3fe1ae87e35f..6024c551f9a9 100644
--- a/net/bridge/netfilter/ebtable_nat.c
+++ b/net/bridge/netfilter/ebtable_nat.c
@@ -55,7 +55,6 @@ static struct ebt_table frame_nat =
         .name           = "nat",
         .table          = &initial_table,
         .valid_hooks    = NAT_VALID_HOOKS,
-        .lock           = __RW_LOCK_UNLOCKED(frame_nat.lock),
         .check          = check,
         .me             = THIS_MODULE,
 };
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index 3816e1dc9295..1833bdbf9805 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -31,7 +31,7 @@ config NF_CONNTRACK_PROC_COMPAT
         default y
         help
           This option enables /proc and sysctl compatibility with the old
-          layer 3 dependant connection tracking. This is needed to keep
+          layer 3 dependent connection tracking. This is needed to keep
           old programs that have not been adapted to the new names working.
 
           If unsure, say Y.
@@ -95,11 +95,11 @@ config IP_NF_MATCH_ECN
 config IP_NF_MATCH_TTL
         tristate '"ttl" match support'
         depends on NETFILTER_ADVANCED
-        help
-          This adds CONFIG_IP_NF_MATCH_TTL option, which enabled the user
-          to match packets by their TTL value.
-
-          To compile it as a module, choose M here.  If unsure, say N.
+        select NETFILTER_XT_MATCH_HL
+        ---help---
+        This is a backwards-compat option for the user's convenience
+        (e.g. when running oldconfig). It selects
+        CONFIG_NETFILTER_XT_MATCH_HL.
 
 # `filter', generic and specific targets
 config IP_NF_FILTER
@@ -323,19 +323,13 @@ config IP_NF_TARGET_ECN
           To compile it as a module, choose M here.  If unsure, say N.
 
 config IP_NF_TARGET_TTL
-        tristate  'TTL target support'
-        depends on IP_NF_MANGLE
+        tristate '"TTL" target support'
         depends on NETFILTER_ADVANCED
-        help
-          This option adds a `TTL' target, which enables the user to modify
-          the TTL value of the IP header.
-
-          While it is safe to decrement/lower the TTL, this target also enables
-          functionality to increment and set the TTL value of the IP header to
-          arbitrary values.  This is EXTREMELY DANGEROUS since you can easily
-          create immortal packets that loop forever on the network.
-
-          To compile it as a module, choose M here.  If unsure, say N.
+        select NETFILTER_XT_TARGET_HL
+        ---help---
+        This is a backwards-compat option for the user's convenience
+        (e.g. when running oldconfig). It selects
+        CONFIG_NETFILTER_XT_TARGET_HL.
 
 # raw + specific targets
 config IP_NF_RAW
diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
index 5f9b650d90fc..48111594ee9b 100644
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -51,7 +51,6 @@ obj-$(CONFIG_IP_NF_SECURITY) += iptable_security.o
 obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o
 obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
 obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
-obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
 
 # targets
 obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o
@@ -61,7 +60,6 @@ obj-$(CONFIG_IP_NF_TARGET_MASQUERADE) += ipt_MASQUERADE.o
 obj-$(CONFIG_IP_NF_TARGET_NETMAP) += ipt_NETMAP.o
 obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT.o
 obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
-obj-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL.o
 obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o
 
 # generic ARP tables
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 7ea88b61cb0d..64a7c6ce0b98 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -73,6 +73,36 @@ static inline int arp_devaddr_compare(const struct arpt_devaddr_info *ap,
         return (ret != 0);
 }
 
+/*
+ * Unfortunatly, _b and _mask are not aligned to an int (or long int)
+ * Some arches dont care, unrolling the loop is a win on them.
+ */
+static unsigned long ifname_compare(const char *_a, const char *_b, const char *_mask)
+{
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+        const unsigned long *a = (const unsigned long *)_a;
+        const unsigned long *b = (const unsigned long *)_b;
+        const unsigned long *mask = (const unsigned long *)_mask;
+        unsigned long ret;
+
+        ret = (a[0] ^ b[0]) & mask[0];
+        if (IFNAMSIZ > sizeof(unsigned long))
+                ret |= (a[1] ^ b[1]) & mask[1];
+        if (IFNAMSIZ > 2 * sizeof(unsigned long))
+                ret |= (a[2] ^ b[2]) & mask[2];
+        if (IFNAMSIZ > 3 * sizeof(unsigned long))
+                ret |= (a[3] ^ b[3]) & mask[3];
+        BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long));
+#else
+        unsigned long ret = 0;
+        int i;
+
+        for (i = 0; i < IFNAMSIZ; i++)
+                ret |= (_a[i] ^ _b[i]) & _mask[i];
+#endif
+        return ret;
+}
+
 /* Returns whether packet matches rule or not. */
 static inline int arp_packet_match(const struct arphdr *arphdr,
                                    struct net_device *dev,
@@ -83,7 +113,7 @@ static inline int arp_packet_match(const struct arphdr *arphdr,
         const char *arpptr = (char *)(arphdr + 1);
         const char *src_devaddr, *tgt_devaddr;
         __be32 src_ipaddr, tgt_ipaddr;
-        int i, ret;
+        long ret;
 
 #define FWINV(bool, invflg) ((bool) ^ !!(arpinfo->invflags & (invflg)))
 
@@ -156,10 +186,7 @@ static inline int arp_packet_match(const struct arphdr *arphdr,
         }
 
         /* Look for ifname matches.  */
-        for (i = 0, ret = 0; i < IFNAMSIZ; i++) {
-                ret |= (indev[i] ^ arpinfo->iniface[i])
-                        & arpinfo->iniface_mask[i];
-        }
+        ret = ifname_compare(indev, arpinfo->iniface, arpinfo->iniface_mask);
 
         if (FWINV(ret != 0, ARPT_INV_VIA_IN)) {
                 dprintf("VIA in mismatch (%s vs %s).%s\n",
@@ -168,10 +195,7 @@ static inline int arp_packet_match(const struct arphdr *arphdr,
                 return 0;
         }
 
-        for (i = 0, ret = 0; i < IFNAMSIZ; i++) {
-                ret |= (outdev[i] ^ arpinfo->outiface[i])
-                        & arpinfo->outiface_mask[i];
-        }
+        ret = ifname_compare(outdev, arpinfo->outiface, arpinfo->outiface_mask);
 
         if (FWINV(ret != 0, ARPT_INV_VIA_OUT)) {
                 dprintf("VIA out mismatch (%s vs %s).%s\n",
@@ -221,7 +245,7 @@ unsigned int arpt_do_table(struct sk_buff *skb,
                            const struct net_device *out,
                            struct xt_table *table)
 {
-        static const char nulldevname[IFNAMSIZ];
+        static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
         unsigned int verdict = NF_DROP;
         const struct arphdr *arp;
         bool hotdrop = false;
@@ -237,9 +261,10 @@ unsigned int arpt_do_table(struct sk_buff *skb,
         indev = in ? in->name : nulldevname;
         outdev = out ? out->name : nulldevname;
 
-        read_lock_bh(&table->lock);
-        private = table->private;
-        table_base = (void *)private->entries[smp_processor_id()];
+        rcu_read_lock();
+        private = rcu_dereference(table->private);
+        table_base = rcu_dereference(private->entries[smp_processor_id()]);
+
         e = get_entry(table_base, private->hook_entry[hook]);
         back = get_entry(table_base, private->underflow[hook]);
 
@@ -311,7 +336,8 @@ unsigned int arpt_do_table(struct sk_buff *skb,
                         e = (void *)e + e->next_offset;
                 }
         } while (!hotdrop);
-        read_unlock_bh(&table->lock);
+
+        rcu_read_unlock();
 
         if (hotdrop)
                 return NF_DROP;
@@ -714,11 +740,65 @@ static void get_counters(const struct xt_table_info *t,
         }
 }
 
-static inline struct xt_counters *alloc_counters(struct xt_table *table)
+
+/* We're lazy, and add to the first CPU; overflow works its fey magic
+ * and everything is OK. */
+static int
+add_counter_to_entry(struct arpt_entry *e,
+                     const struct xt_counters addme[],
+                     unsigned int *i)
+{
+        ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
+
+        (*i)++;
+        return 0;
+}
+
+/* Take values from counters and add them back onto the current cpu */
+static void put_counters(struct xt_table_info *t,
+                         const struct xt_counters counters[])
+{
+        unsigned int i, cpu;
+
+        local_bh_disable();
+        cpu = smp_processor_id();
+        i = 0;
+        ARPT_ENTRY_ITERATE(t->entries[cpu],
+                          t->size,
+                          add_counter_to_entry,
+                          counters,
+                          &i);
+        local_bh_enable();
+}
+
+static inline int
+zero_entry_counter(struct arpt_entry *e, void *arg)
+{
+        e->counters.bcnt = 0;
+        e->counters.pcnt = 0;
+        return 0;
+}
+
+static void
+clone_counters(struct xt_table_info *newinfo, const struct xt_table_info *info)
+{
+        unsigned int cpu;
+        const void *loc_cpu_entry = info->entries[raw_smp_processor_id()];
+
+        memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
+        for_each_possible_cpu(cpu) {
+                memcpy(newinfo->entries[cpu], loc_cpu_entry, info->size);
+                ARPT_ENTRY_ITERATE(newinfo->entries[cpu], newinfo->size,
+                                  zero_entry_counter, NULL);
+        }
+}
+
+static struct xt_counters *alloc_counters(struct xt_table *table)
 {
         unsigned int countersize;
         struct xt_counters *counters;
-        const struct xt_table_info *private = table->private;
+        struct xt_table_info *private = table->private;
+        struct xt_table_info *info;
 
         /* We need atomic snapshot of counters: rest doesn't change
          * (other than comefrom, which userspace doesn't care
@@ -728,14 +808,30 @@ static inline struct xt_counters *alloc_counters(struct xt_table *table)
         counters = vmalloc_node(countersize, numa_node_id());
 
         if (counters == NULL)
-                return ERR_PTR(-ENOMEM);
+                goto nomem;
+
+        info = xt_alloc_table_info(private->size);
+        if (!info)
+                goto free_counters;
+
+        clone_counters(info, private);
+
+        mutex_lock(&table->lock);
+        xt_table_entry_swap_rcu(private, info);
+        synchronize_net();      /* Wait until smoke has cleared */
+
+        get_counters(info, counters);
+        put_counters(private, counters);
+        mutex_unlock(&table->lock);
 
-        /* First, sum counters... */
-        write_lock_bh(&table->lock);
-        get_counters(private, counters);
-        write_unlock_bh(&table->lock);
+        xt_free_table_info(info);
 
         return counters;
+
+ free_counters:
+        vfree(counters);
+ nomem:
+        return ERR_PTR(-ENOMEM);
 }
 
 static int copy_entries_to_user(unsigned int total_size,
@@ -1075,20 +1171,6 @@ static int do_replace(struct net *net, void __user *user, unsigned int len)
         return ret;
 }
 
-/* We're lazy, and add to the first CPU; overflow works its fey magic
- * and everything is OK.
- */
-static inline int add_counter_to_entry(struct arpt_entry *e,
-                                       const struct xt_counters addme[],
-                                       unsigned int *i)
-{
-
-        ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
-
-        (*i)++;
-        return 0;
-}
-
 static int do_add_counters(struct net *net, void __user *user, unsigned int len,
                            int compat)
 {
@@ -1148,13 +1230,14 @@ static int do_add_counters(struct net *net, void __user *user, unsigned int len,
                 goto free;
         }
 
-        write_lock_bh(&t->lock);
+        mutex_lock(&t->lock);
         private = t->private;
         if (private->number != num_counters) {
                 ret = -EINVAL;
                 goto unlock_up_free;
         }
 
+        preempt_disable();
         i = 0;
         /* Choose the copy that is on our node */
         loc_cpu_entry = private->entries[smp_processor_id()];
@@ -1163,8 +1246,10 @@ static int do_add_counters(struct net *net, void __user *user, unsigned int len,
                            add_counter_to_entry,
                            paddc,
                            &i);
+        preempt_enable();
  unlock_up_free:
-        write_unlock_bh(&t->lock);
+        mutex_unlock(&t->lock);
+
         xt_table_unlock(t);
         module_put(t->me);
  free:
diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c
index e091187e864f..6ecfdae7c589 100644
--- a/net/ipv4/netfilter/arptable_filter.c
+++ b/net/ipv4/netfilter/arptable_filter.c
@@ -48,8 +48,6 @@ static struct
 static struct xt_table packet_filter = {
         .name           = "filter",
         .valid_hooks    = FILTER_VALID_HOOKS,
-        .lock           = __RW_LOCK_UNLOCKED(packet_filter.lock),
-        .private        = NULL,
         .me             = THIS_MODULE,
         .af             = NFPROTO_ARP,
 };
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 432ce9d1c11c..5f22c91c6e15 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -24,6 +24,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/security.h>
+#include <linux/net.h>
 #include <linux/mutex.h>
 #include <net/net_namespace.h>
 #include <net/sock.h>
@@ -640,6 +641,7 @@ static void __exit ip_queue_fini(void)
 MODULE_DESCRIPTION("IPv4 packet queue handler");
 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_FIREWALL);
 
 module_init(ip_queue_init);
 module_exit(ip_queue_fini);
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index ef8b6ca068b2..e5294aec967d 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -74,6 +74,25 @@ do {								\
 
    Hence the start of any table is given by get_table() below.  */
 
+static unsigned long ifname_compare(const char *_a, const char *_b,
+                                    const unsigned char *_mask)
+{
+        const unsigned long *a = (const unsigned long *)_a;
+        const unsigned long *b = (const unsigned long *)_b;
+        const unsigned long *mask = (const unsigned long *)_mask;
+        unsigned long ret;
+
+        ret = (a[0] ^ b[0]) & mask[0];
+        if (IFNAMSIZ > sizeof(unsigned long))
+                ret |= (a[1] ^ b[1]) & mask[1];
+        if (IFNAMSIZ > 2 * sizeof(unsigned long))
+                ret |= (a[2] ^ b[2]) & mask[2];
+        if (IFNAMSIZ > 3 * sizeof(unsigned long))
+                ret |= (a[3] ^ b[3]) & mask[3];
+        BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long));
+        return ret;
+}
+
 /* Returns whether matches rule or not. */
 /* Performance critical - called for every packet */
 static inline bool
@@ -83,7 +102,6 @@ ip_packet_match(const struct iphdr *ip,
                 const struct ipt_ip *ipinfo,
                 int isfrag)
 {
-        size_t i;
         unsigned long ret;
 
 #define FWINV(bool, invflg) ((bool) ^ !!(ipinfo->invflags & (invflg)))
@@ -103,12 +121,7 @@ ip_packet_match(const struct iphdr *ip,
                 return false;
         }
 
-        /* Look for ifname matches; this should unroll nicely. */
-        for (i = 0, ret = 0; i < IFNAMSIZ/sizeof(unsigned long); i++) {
-                ret |= (((const unsigned long *)indev)[i]
-                        ^ ((const unsigned long *)ipinfo->iniface)[i])
-                        & ((const unsigned long *)ipinfo->iniface_mask)[i];
-        }
+        ret = ifname_compare(indev, ipinfo->iniface, ipinfo->iniface_mask);
 
         if (FWINV(ret != 0, IPT_INV_VIA_IN)) {
                 dprintf("VIA in mismatch (%s vs %s).%s\n",
@@ -117,11 +130,7 @@ ip_packet_match(const struct iphdr *ip,
                 return false;
         }
 
-        for (i = 0, ret = 0; i < IFNAMSIZ/sizeof(unsigned long); i++) {
-                ret |= (((const unsigned long *)outdev)[i]
-                        ^ ((const unsigned long *)ipinfo->outiface)[i])
-                        & ((const unsigned long *)ipinfo->outiface_mask)[i];
-        }
+        ret = ifname_compare(outdev, ipinfo->outiface, ipinfo->outiface_mask);
 
         if (FWINV(ret != 0, IPT_INV_VIA_OUT)) {
                 dprintf("VIA out mismatch (%s vs %s).%s\n",
@@ -347,10 +356,12 @@ ipt_do_table(struct sk_buff *skb,
         mtpar.family  = tgpar.family = NFPROTO_IPV4;
         tgpar.hooknum = hook;
 
-        read_lock_bh(&table->lock);
         IP_NF_ASSERT(table->valid_hooks & (1 << hook));
-        private = table->private;
-        table_base = (void *)private->entries[smp_processor_id()];
+
+        rcu_read_lock();
+        private = rcu_dereference(table->private);
+        table_base = rcu_dereference(private->entries[smp_processor_id()]);
+
         e = get_entry(table_base, private->hook_entry[hook]);
 
         /* For return from builtin chain */
@@ -445,7 +456,7 @@ ipt_do_table(struct sk_buff *skb,
                 }
         } while (!hotdrop);
 
-        read_unlock_bh(&table->lock);
+        rcu_read_unlock();
 
 #ifdef DEBUG_ALLOW_ALL
         return NF_ACCEPT;
@@ -924,13 +935,68 @@ get_counters(const struct xt_table_info *t,
                                   counters,
                                   &i);
         }
+
+}
+
+/* We're lazy, and add to the first CPU; overflow works its fey magic
+ * and everything is OK. */
+static int
+add_counter_to_entry(struct ipt_entry *e,
+                     const struct xt_counters addme[],
+                     unsigned int *i)
+{
+        ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
+
+        (*i)++;
+        return 0;
+}
+
+/* Take values from counters and add them back onto the current cpu */
+static void put_counters(struct xt_table_info *t,
+                         const struct xt_counters counters[])
+{
+        unsigned int i, cpu;
+
+        local_bh_disable();
+        cpu = smp_processor_id();
+        i = 0;
+        IPT_ENTRY_ITERATE(t->entries[cpu],
+                          t->size,
+                          add_counter_to_entry,
+                          counters,
+                          &i);
+        local_bh_enable();
+}
+
+
+static inline int
+zero_entry_counter(struct ipt_entry *e, void *arg)
+{
+        e->counters.bcnt = 0;
+        e->counters.pcnt = 0;
+        return 0;
+}
+
+static void
+clone_counters(struct xt_table_info *newinfo, const struct xt_table_info *info)
+{
+        unsigned int cpu;
+        const void *loc_cpu_entry = info->entries[raw_smp_processor_id()];
+
+        memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
+        for_each_possible_cpu(cpu) {
+                memcpy(newinfo->entries[cpu], loc_cpu_entry, info->size);
+                IPT_ENTRY_ITERATE(newinfo->entries[cpu], newinfo->size,
+                                  zero_entry_counter, NULL);
+        }
 }
 
 static struct xt_counters * alloc_counters(struct xt_table *table)
 {
         unsigned int countersize;
         struct xt_counters *counters;
-        const struct xt_table_info *private = table->private;
+        struct xt_table_info *private = table->private;
+        struct xt_table_info *info;
 
         /* We need atomic snapshot of counters: rest doesn't change
            (other than comefrom, which userspace doesn't care
@@ -939,14 +1005,30 @@ static struct xt_counters * alloc_counters(struct xt_table *table)
         counters = vmalloc_node(countersize, numa_node_id());
 
         if (counters == NULL)
-                return ERR_PTR(-ENOMEM);
+                goto nomem;
+
+        info = xt_alloc_table_info(private->size);
+        if (!info)
+                goto free_counters;
 
-        /* First, sum counters... */
-        write_lock_bh(&table->lock);
-        get_counters(private, counters);
-        write_unlock_bh(&table->lock);
+        clone_counters(info, private);
+
+        mutex_lock(&table->lock);
+        xt_table_entry_swap_rcu(private, info);
+        synchronize_net();      /* Wait until smoke has cleared */
+
+        get_counters(info, counters);
+        put_counters(private, counters);
+        mutex_unlock(&table->lock);
+
+        xt_free_table_info(info);
 
         return counters;
+
+ free_counters:
+        vfree(counters);
+ nomem:
+        return ERR_PTR(-ENOMEM);
 }
 
 static int
@@ -1312,27 +1394,6 @@ do_replace(struct net *net, void __user *user, unsigned int len)
         return ret;
 }
 
-/* We're lazy, and add to the first CPU; overflow works its fey magic
- * and everything is OK. */
-static int
-add_counter_to_entry(struct ipt_entry *e,
-                     const struct xt_counters addme[],
-                     unsigned int *i)
-{
-#if 0
-        duprintf("add_counter: Entry %u %lu/%lu + %lu/%lu\n",
-                 *i,
-                 (long unsigned int)e->counters.pcnt,
-                 (long unsigned int)e->counters.bcnt,
-                 (long unsigned int)addme[*i].pcnt,
-                 (long unsigned int)addme[*i].bcnt);
-#endif
-
-        ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
-
-        (*i)++;
-        return 0;
-}
 
 static int
 do_add_counters(struct net *net, void __user *user, unsigned int len, int compat)
@@ -1393,13 +1454,14 @@ do_add_counters(struct net *net, void __user *user, unsigned int len, int compat
                 goto free;
         }
 
-        write_lock_bh(&t->lock);
+        mutex_lock(&t->lock);
         private = t->private;
         if (private->number != num_counters) {
                 ret = -EINVAL;
                 goto unlock_up_free;
         }
 
+        preempt_disable();
         i = 0;
         /* Choose the copy that is on our node */
         loc_cpu_entry = private->entries[raw_smp_processor_id()];
@@ -1408,8 +1470,9 @@ do_add_counters(struct net *net, void __user *user, unsigned int len, int compat
                           add_counter_to_entry,
                           paddc,
                           &i);
+        preempt_enable();
  unlock_up_free:
-        write_unlock_bh(&t->lock);
+        mutex_unlock(&t->lock);
         xt_table_unlock(t);
         module_put(t->me);
  free:
diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c
index 27a78fbbd92b..acc44c69eb68 100644
--- a/net/ipv4/netfilter/ipt_LOG.c
+++ b/net/ipv4/netfilter/ipt_LOG.c
@@ -464,7 +464,7 @@ static struct xt_target log_tg_reg __read_mostly = {
         .me             = THIS_MODULE,
 };
 
-static const struct nf_logger ipt_log_logger ={
+static struct nf_logger ipt_log_logger __read_mostly = {
         .name           = "ipt_LOG",
         .logfn          = &ipt_log_packet,
         .me             = THIS_MODULE,
diff --git a/net/ipv4/netfilter/ipt_TTL.c b/net/ipv4/netfilter/ipt_TTL.c
deleted file mode 100644
index 6d76aae90cc0..000000000000
--- a/net/ipv4/netfilter/ipt_TTL.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/* TTL modification target for IP tables
- * (C) 2000,2005 by Harald Welte <laforge@netfilter.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/module.h>
-#include <linux/skbuff.h>
-#include <linux/ip.h>
-#include <net/checksum.h>
-
-#include <linux/netfilter/x_tables.h>
-#include <linux/netfilter_ipv4/ipt_TTL.h>
-
-MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
-MODULE_DESCRIPTION("Xtables: IPv4 TTL field modification target");
-MODULE_LICENSE("GPL");
-
-static unsigned int
-ttl_tg(struct sk_buff *skb, const struct xt_target_param *par)
-{
-        struct iphdr *iph;
-        const struct ipt_TTL_info *info = par->targinfo;
-        int new_ttl;
-
-        if (!skb_make_writable(skb, skb->len))
-                return NF_DROP;
-
-        iph = ip_hdr(skb);
-
-        switch (info->mode) {
-                case IPT_TTL_SET:
-                        new_ttl = info->ttl;
-                        break;
-                case IPT_TTL_INC:
-                        new_ttl = iph->ttl + info->ttl;
-                        if (new_ttl > 255)
-                                new_ttl = 255;
-                        break;
-                case IPT_TTL_DEC:
-                        new_ttl = iph->ttl - info->ttl;
-                        if (new_ttl < 0)
-                                new_ttl = 0;
-                        break;
-                default:
-                        new_ttl = iph->ttl;
-                        break;
-        }
-
-        if (new_ttl != iph->ttl) {
-                csum_replace2(&iph->check, htons(iph->ttl << 8),
-                                           htons(new_ttl << 8));
-                iph->ttl = new_ttl;
-        }
-
-        return XT_CONTINUE;
-}
-
-static bool ttl_tg_check(const struct xt_tgchk_param *par)
-{
-        const struct ipt_TTL_info *info = par->targinfo;
-
-        if (info->mode > IPT_TTL_MAXMODE) {
-                printk(KERN_WARNING "ipt_TTL: invalid or unknown Mode %u\n",
-                        info->mode);
-                return false;
-        }
-        if (info->mode != IPT_TTL_SET && info->ttl == 0)
-                return false;
-        return true;
-}
-
-static struct xt_target ttl_tg_reg __read_mostly = {
-        .name           = "TTL",
-        .family         = NFPROTO_IPV4,
-        .target         = ttl_tg,
-        .targetsize     = sizeof(struct ipt_TTL_info),
-        .table          = "mangle",
-        .checkentry     = ttl_tg_check,
-        .me             = THIS_MODULE,
-};
-
-static int __init ttl_tg_init(void)
-{
-        return xt_register_target(&ttl_tg_reg);
-}
-
-static void __exit ttl_tg_exit(void)
-{
-        xt_unregister_target(&ttl_tg_reg);
-}
-
-module_init(ttl_tg_init);
-module_exit(ttl_tg_exit);
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index 18a2826b57c6..d32cc4bb328a 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -379,7 +379,7 @@ static struct xt_target ulog_tg_reg __read_mostly = {
         .me             = THIS_MODULE,
 };
 
-static struct nf_logger ipt_ulog_logger = {
+static struct nf_logger ipt_ulog_logger __read_mostly = {
         .name           = "ipt_ULOG",
         .logfn          = ipt_logfn,
         .me             = THIS_MODULE,
diff --git a/net/ipv4/netfilter/ipt_ttl.c b/net/ipv4/netfilter/ipt_ttl.c
deleted file mode 100644
index 297f1cbf4ff5..000000000000
--- a/net/ipv4/netfilter/ipt_ttl.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/* IP tables module for matching the value of the TTL
- *
- * (C) 2000,2001 by Harald Welte <laforge@netfilter.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/ip.h>
-#include <linux/module.h>
-#include <linux/skbuff.h>
-
-#include <linux/netfilter_ipv4/ipt_ttl.h>
-#include <linux/netfilter/x_tables.h>
-
-MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
-MODULE_DESCRIPTION("Xtables: IPv4 TTL field match");
-MODULE_LICENSE("GPL");
-
-static bool ttl_mt(const struct sk_buff *skb, const struct xt_match_param *par)
-{
-        const struct ipt_ttl_info *info = par->matchinfo;
-        const u8 ttl = ip_hdr(skb)->ttl;
-
-        switch (info->mode) {
-                case IPT_TTL_EQ:
-                        return ttl == info->ttl;
-                case IPT_TTL_NE:
-                        return ttl != info->ttl;
-                case IPT_TTL_LT:
-                        return ttl < info->ttl;
-                case IPT_TTL_GT:
-                        return ttl > info->ttl;
-                default:
-                        printk(KERN_WARNING "ipt_ttl: unknown mode %d\n",
-                                info->mode);
-                        return false;
-        }
-
-        return false;
-}
-
-static struct xt_match ttl_mt_reg __read_mostly = {
-        .name           = "ttl",
-        .family         = NFPROTO_IPV4,
-        .match          = ttl_mt,
-        .matchsize      = sizeof(struct ipt_ttl_info),
-        .me             = THIS_MODULE,
-};
-
-static int __init ttl_mt_init(void)
-{
-        return xt_register_match(&ttl_mt_reg);
-}
-
-static void __exit ttl_mt_exit(void)
-{
-        xt_unregister_match(&ttl_mt_reg);
-}
-
-module_init(ttl_mt_init);
-module_exit(ttl_mt_exit);
diff --git a/net/ipv4/netfilter/iptable_filter.c b/net/ipv4/netfilter/iptable_filter.c
index 52cb6939d093..c30a969724f8 100644
--- a/net/ipv4/netfilter/iptable_filter.c
+++ b/net/ipv4/netfilter/iptable_filter.c
@@ -56,7 +56,6 @@ static struct
 static struct xt_table packet_filter = {
         .name           = "filter",
         .valid_hooks    = FILTER_VALID_HOOKS,
-        .lock           = __RW_LOCK_UNLOCKED(packet_filter.lock),
         .me             = THIS_MODULE,
         .af             = AF_INET,
 };
diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c
index 3929d20b9e45..4087614d9519 100644
--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -67,7 +67,6 @@ static struct
 static struct xt_table packet_mangler = {
         .name           = "mangle",
         .valid_hooks    = MANGLE_VALID_HOOKS,
-        .lock           = __RW_LOCK_UNLOCKED(packet_mangler.lock),
         .me             = THIS_MODULE,
         .af             = AF_INET,
 };
diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c
index 7f65d18333e3..e5356da1fb54 100644
--- a/net/ipv4/netfilter/iptable_raw.c
+++ b/net/ipv4/netfilter/iptable_raw.c
@@ -39,7 +39,6 @@ static struct
 static struct xt_table packet_raw = {
         .name = "raw",
         .valid_hooks =  RAW_VALID_HOOKS,
-        .lock = __RW_LOCK_UNLOCKED(packet_raw.lock),
         .me = THIS_MODULE,
         .af = AF_INET,
 };
diff --git a/net/ipv4/netfilter/iptable_security.c b/net/ipv4/netfilter/iptable_security.c
index a52a35f4a584..29ab630f240a 100644
--- a/net/ipv4/netfilter/iptable_security.c
+++ b/net/ipv4/netfilter/iptable_security.c
@@ -60,7 +60,6 @@ static struct
 static struct xt_table security_table = {
         .name           = "security",
         .valid_hooks    = SECURITY_VALID_HOOKS,
-        .lock           = __RW_LOCK_UNLOCKED(security_table.lock),
         .me             = THIS_MODULE,
         .af             = AF_INET,
 };
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 4beb04fac588..8b681f24e271 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -120,8 +120,10 @@ static unsigned int ipv4_confirm(unsigned int hooknum,
                 typeof(nf_nat_seq_adjust_hook) seq_adjust;
 
                 seq_adjust = rcu_dereference(nf_nat_seq_adjust_hook);
-                if (!seq_adjust || !seq_adjust(skb, ct, ctinfo))
+                if (!seq_adjust || !seq_adjust(skb, ct, ctinfo)) {
+                        NF_CT_STAT_INC_ATOMIC(nf_ct_net(ct), drop);
                         return NF_DROP;
+                }
         }
 out:
         /* We've seen it coming out the other side: confirm it */
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c
index a7eb04719044..6348a793936e 100644
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -61,7 +61,6 @@ static struct
 static struct xt_table nat_table = {
         .name           = "nat",
         .valid_hooks    = NAT_VALID_HOOKS,
-        .lock           = __RW_LOCK_UNLOCKED(nat_table.lock),
         .me             = THIS_MODULE,
         .af             = AF_INET,
 };
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index 53ea512c4608..625353a5fe18 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -95,13 +95,13 @@ config IP6_NF_MATCH_OPTS
           To compile it as a module, choose M here.  If unsure, say N.
 
 config IP6_NF_MATCH_HL
-        tristate '"hl" match support'
+        tristate '"hl" hoplimit match support'
         depends on NETFILTER_ADVANCED
-        help
-          HL matching allows you to match packets based on the hop
-          limit of the packet.
-
-          To compile it as a module, choose M here.  If unsure, say N.
+        select NETFILTER_XT_MATCH_HL
+        ---help---
+        This is a backwards-compat option for the user's convenience
+        (e.g. when running oldconfig). It selects
+        COFNIG_NETFILTER_XT_MATCH_HL.
 
 config IP6_NF_MATCH_IPV6HEADER
         tristate '"ipv6header" IPv6 Extension Headers Match'
@@ -130,6 +130,15 @@ config IP6_NF_MATCH_RT
           To compile it as a module, choose M here.  If unsure, say N.
 
 # The targets
+config IP6_NF_TARGET_HL
+        tristate '"HL" hoplimit target support'
+        depends on NETFILTER_ADVANCED
+        select NETFILTER_XT_TARGET_HL
+        ---help---
+        This is a backwards-compat option for the user's convenience
+        (e.g. when running oldconfig). It selects
+        COFNIG_NETFILTER_XT_TARGET_HL.
+
 config IP6_NF_TARGET_LOG
         tristate "LOG target support"
         default m if NETFILTER_ADVANCED=n
@@ -170,23 +179,6 @@ config IP6_NF_MANGLE
 
           To compile it as a module, choose M here.  If unsure, say N.
 
-config IP6_NF_TARGET_HL
-        tristate  'HL (hoplimit) target support'
-        depends on IP6_NF_MANGLE
-        depends on NETFILTER_ADVANCED
-        help
-          This option adds a `HL' target, which enables the user to decrement
-          the hoplimit value of the IPv6 header or set it to a given (lower)
-          value.
-
-          While it is safe to decrement the hoplimit value, this option also
-          enables functionality to increment and set the hoplimit value of the
-          IPv6 header to arbitrary values.  This is EXTREMELY DANGEROUS since
-          you can easily create immortal packets that loop forever on the
-          network.
-
-          To compile it as a module, choose M here.  If unsure, say N.
-
 config IP6_NF_RAW
         tristate  'raw table support (required for TRACE)'
         depends on NETFILTER_ADVANCED
diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile
index 3f17c948eefb..aafbba30c899 100644
--- a/net/ipv6/netfilter/Makefile
+++ b/net/ipv6/netfilter/Makefile
@@ -20,13 +20,11 @@ obj-$(CONFIG_NF_CONNTRACK_IPV6) += nf_conntrack_ipv6.o
 obj-$(CONFIG_IP6_NF_MATCH_AH) += ip6t_ah.o
 obj-$(CONFIG_IP6_NF_MATCH_EUI64) += ip6t_eui64.o
 obj-$(CONFIG_IP6_NF_MATCH_FRAG) += ip6t_frag.o
-obj-$(CONFIG_IP6_NF_MATCH_HL) += ip6t_hl.o
 obj-$(CONFIG_IP6_NF_MATCH_IPV6HEADER) += ip6t_ipv6header.o
 obj-$(CONFIG_IP6_NF_MATCH_MH) += ip6t_mh.o
 obj-$(CONFIG_IP6_NF_MATCH_OPTS) += ip6t_hbh.o
 obj-$(CONFIG_IP6_NF_MATCH_RT) += ip6t_rt.o
 
 # targets
-obj-$(CONFIG_IP6_NF_TARGET_HL) += ip6t_HL.o
 obj-$(CONFIG_IP6_NF_TARGET_LOG) += ip6t_LOG.o
 obj-$(CONFIG_IP6_NF_TARGET_REJECT) += ip6t_REJECT.o
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 5859c046cbc4..b693f841aeb4 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -643,6 +643,7 @@ static void __exit ip6_queue_fini(void)
 
 MODULE_DESCRIPTION("IPv6 packet queue handler");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_IP6_FW);
 
 module_init(ip6_queue_init);
 module_exit(ip6_queue_fini);
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index a33485dc81cb..34af7bb8df5f 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -89,6 +89,25 @@ ip6t_ext_hdr(u8 nexthdr)
                  (nexthdr == IPPROTO_DSTOPTS) );
 }
 
+static unsigned long ifname_compare(const char *_a, const char *_b,
+                                    const unsigned char *_mask)
+{
+        const unsigned long *a = (const unsigned long *)_a;
+        const unsigned long *b = (const unsigned long *)_b;
+        const unsigned long *mask = (const unsigned long *)_mask;
+        unsigned long ret;
+
+        ret = (a[0] ^ b[0]) & mask[0];
+        if (IFNAMSIZ > sizeof(unsigned long))
+                ret |= (a[1] ^ b[1]) & mask[1];
+        if (IFNAMSIZ > 2 * sizeof(unsigned long))
+                ret |= (a[2] ^ b[2]) & mask[2];
+        if (IFNAMSIZ > 3 * sizeof(unsigned long))
+                ret |= (a[3] ^ b[3]) & mask[3];
+        BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long));
+        return ret;
+}
+
 /* Returns whether matches rule or not. */
 /* Performance critical - called for every packet */
 static inline bool
@@ -99,7 +118,6 @@ ip6_packet_match(const struct sk_buff *skb,
                  unsigned int *protoff,
                  int *fragoff, bool *hotdrop)
 {
-        size_t i;
         unsigned long ret;
         const struct ipv6hdr *ipv6 = ipv6_hdr(skb);
 
@@ -120,12 +138,7 @@ ip6_packet_match(const struct sk_buff *skb,
                 return false;
         }
 
-        /* Look for ifname matches; this should unroll nicely. */
-        for (i = 0, ret = 0; i < IFNAMSIZ/sizeof(unsigned long); i++) {
-                ret |= (((const unsigned long *)indev)[i]
-                        ^ ((const unsigned long *)ip6info->iniface)[i])
-                        & ((const unsigned long *)ip6info->iniface_mask)[i];
-        }
+        ret = ifname_compare(indev, ip6info->iniface, ip6info->iniface_mask);
 
         if (FWINV(ret != 0, IP6T_INV_VIA_IN)) {
                 dprintf("VIA in mismatch (%s vs %s).%s\n",
@@ -134,11 +147,7 @@ ip6_packet_match(const struct sk_buff *skb,
                 return false;
         }
 
-        for (i = 0, ret = 0; i < IFNAMSIZ/sizeof(unsigned long); i++) {
-                ret |= (((const unsigned long *)outdev)[i]
-                        ^ ((const unsigned long *)ip6info->outiface)[i])
-                        & ((const unsigned long *)ip6info->outiface_mask)[i];
-        }
+        ret = ifname_compare(outdev, ip6info->outiface, ip6info->outiface_mask);
 
         if (FWINV(ret != 0, IP6T_INV_VIA_OUT)) {
                 dprintf("VIA out mismatch (%s vs %s).%s\n",
@@ -373,10 +382,12 @@ ip6t_do_table(struct sk_buff *skb,
         mtpar.family  = tgpar.family = NFPROTO_IPV6;
         tgpar.hooknum = hook;
 
-        read_lock_bh(&table->lock);
         IP_NF_ASSERT(table->valid_hooks & (1 << hook));
-        private = table->private;
-        table_base = (void *)private->entries[smp_processor_id()];
+
+        rcu_read_lock();
+        private = rcu_dereference(table->private);
+        table_base = rcu_dereference(private->entries[smp_processor_id()]);
+
         e = get_entry(table_base, private->hook_entry[hook]);
 
         /* For return from builtin chain */
@@ -474,7 +485,7 @@ ip6t_do_table(struct sk_buff *skb,
 #ifdef CONFIG_NETFILTER_DEBUG
         ((struct ip6t_entry *)table_base)->comefrom = NETFILTER_LINK_POISON;
 #endif
-        read_unlock_bh(&table->lock);
+        rcu_read_unlock();
 
 #ifdef DEBUG_ALLOW_ALL
         return NF_ACCEPT;
@@ -955,11 +966,64 @@ get_counters(const struct xt_table_info *t,
         }
 }
 
+/* We're lazy, and add to the first CPU; overflow works its fey magic
+ * and everything is OK. */
+static int
+add_counter_to_entry(struct ip6t_entry *e,
+                     const struct xt_counters addme[],
+                     unsigned int *i)
+{
+        ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
+
+        (*i)++;
+        return 0;
+}
+
+/* Take values from counters and add them back onto the current cpu */
+static void put_counters(struct xt_table_info *t,
+                         const struct xt_counters counters[])
+{
+        unsigned int i, cpu;
+
+        local_bh_disable();
+        cpu = smp_processor_id();
+        i = 0;
+        IP6T_ENTRY_ITERATE(t->entries[cpu],
+                           t->size,
+                           add_counter_to_entry,
+                           counters,
+                           &i);
+        local_bh_enable();
+}
+
+static inline int
+zero_entry_counter(struct ip6t_entry *e, void *arg)
+{
+        e->counters.bcnt = 0;
+        e->counters.pcnt = 0;
+        return 0;
+}
+
+static void
+clone_counters(struct xt_table_info *newinfo, const struct xt_table_info *info)
+{
+        unsigned int cpu;
+        const void *loc_cpu_entry = info->entries[raw_smp_processor_id()];
+
+        memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
+        for_each_possible_cpu(cpu) {
+                memcpy(newinfo->entries[cpu], loc_cpu_entry, info->size);
+                IP6T_ENTRY_ITERATE(newinfo->entries[cpu], newinfo->size,
+                                   zero_entry_counter, NULL);
+        }
+}
+
 static struct xt_counters *alloc_counters(struct xt_table *table)
 {
         unsigned int countersize;
         struct xt_counters *counters;
-        const struct xt_table_info *private = table->private;
+        struct xt_table_info *private = table->private;
+        struct xt_table_info *info;
 
         /* We need atomic snapshot of counters: rest doesn't change
            (other than comefrom, which userspace doesn't care
@@ -968,14 +1032,28 @@ static struct xt_counters *alloc_counters(struct xt_table *table)
         counters = vmalloc_node(countersize, numa_node_id());
 
         if (counters == NULL)
-                return ERR_PTR(-ENOMEM);
+                goto nomem;
+
+        info = xt_alloc_table_info(private->size);
+        if (!info)
+                goto free_counters;
+
+        clone_counters(info, private);
 
-        /* First, sum counters... */
-        write_lock_bh(&table->lock);
-        get_counters(private, counters);
-        write_unlock_bh(&table->lock);
+        mutex_lock(&table->lock);
+        xt_table_entry_swap_rcu(private, info);
+        synchronize_net();      /* Wait until smoke has cleared */
 
-        return counters;
+        get_counters(info, counters);
+        put_counters(private, counters);
+        mutex_unlock(&table->lock);
+
+        xt_free_table_info(info);
+
+ free_counters:
+        vfree(counters);
+ nomem:
+        return ERR_PTR(-ENOMEM);
 }
 
 static int
@@ -1342,28 +1420,6 @@ do_replace(struct net *net, void __user *user, unsigned int len)
         return ret;
 }
 
-/* We're lazy, and add to the first CPU; overflow works its fey magic
- * and everything is OK. */
-static inline int
-add_counter_to_entry(struct ip6t_entry *e,
-                     const struct xt_counters addme[],
-                     unsigned int *i)
-{
-#if 0
-        duprintf("add_counter: Entry %u %lu/%lu + %lu/%lu\n",
-                 *i,
-                 (long unsigned int)e->counters.pcnt,
-                 (long unsigned int)e->counters.bcnt,
-                 (long unsigned int)addme[*i].pcnt,
-                 (long unsigned int)addme[*i].bcnt);
-#endif
-
-        ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
-
-        (*i)++;
-        return 0;
-}
-
 static int
 do_add_counters(struct net *net, void __user *user, unsigned int len,
                 int compat)
@@ -1424,13 +1480,14 @@ do_add_counters(struct net *net, void __user *user, unsigned int len,
                 goto free;
         }
 
-        write_lock_bh(&t->lock);
+        mutex_lock(&t->lock);
         private = t->private;
         if (private->number != num_counters) {
                 ret = -EINVAL;
                 goto unlock_up_free;
         }
 
+        preempt_disable();
         i = 0;
         /* Choose the copy that is on our node */
         loc_cpu_entry = private->entries[raw_smp_processor_id()];
@@ -1439,8 +1496,9 @@ do_add_counters(struct net *net, void __user *user, unsigned int len,
                           add_counter_to_entry,
                           paddc,
                           &i);
+        preempt_enable();
  unlock_up_free:
-        write_unlock_bh(&t->lock);
+        mutex_unlock(&t->lock);
         xt_table_unlock(t);
         module_put(t->me);
  free:
diff --git a/net/ipv6/netfilter/ip6t_HL.c b/net/ipv6/netfilter/ip6t_HL.c
deleted file mode 100644
index 27b5adf670a2..000000000000
--- a/net/ipv6/netfilter/ip6t_HL.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Hop Limit modification target for ip6tables
- * Maciej Soltysiak <solt@dns.toxicfilms.tv>
- * Based on HW's TTL module
- *
- * This software is distributed under the terms of GNU GPL
- */
-
-#include <linux/module.h>
-#include <linux/skbuff.h>
-#include <linux/ip.h>
-#include <linux/ipv6.h>
-
-#include <linux/netfilter/x_tables.h>
-#include <linux/netfilter_ipv6/ip6t_HL.h>
-
-MODULE_AUTHOR("Maciej Soltysiak <solt@dns.toxicfilms.tv>");
-MODULE_DESCRIPTION("Xtables: IPv6 Hop Limit field modification target");
-MODULE_LICENSE("GPL");
-
-static unsigned int
-hl_tg6(struct sk_buff *skb, const struct xt_target_param *par)
-{
-        struct ipv6hdr *ip6h;
-        const struct ip6t_HL_info *info = par->targinfo;
-        int new_hl;
-
-        if (!skb_make_writable(skb, skb->len))
-                return NF_DROP;
-
-        ip6h = ipv6_hdr(skb);
-
-        switch (info->mode) {
-                case IP6T_HL_SET:
-                        new_hl = info->hop_limit;
-                        break;
-                case IP6T_HL_INC:
-                        new_hl = ip6h->hop_limit + info->hop_limit;
-                        if (new_hl > 255)
-                                new_hl = 255;
-                        break;
-                case IP6T_HL_DEC:
-                        new_hl = ip6h->hop_limit - info->hop_limit;
-                        if (new_hl < 0)
-                                new_hl = 0;
-                        break;
-                default:
-                        new_hl = ip6h->hop_limit;
-                        break;
-        }
-
-        ip6h->hop_limit = new_hl;
-
-        return XT_CONTINUE;
-}
-
-static bool hl_tg6_check(const struct xt_tgchk_param *par)
-{
-        const struct ip6t_HL_info *info = par->targinfo;
-
-        if (info->mode > IP6T_HL_MAXMODE) {
-                printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n",
-                        info->mode);
-                return false;
-        }
-        if (info->mode != IP6T_HL_SET && info->hop_limit == 0) {
-                printk(KERN_WARNING "ip6t_HL: increment/decrement doesn't "
-                        "make sense with value 0\n");
-                return false;
-        }
-        return true;
-}
-
-static struct xt_target hl_tg6_reg __read_mostly = {
-        .name           = "HL",
-        .family         = NFPROTO_IPV6,
-        .target         = hl_tg6,
-        .targetsize     = sizeof(struct ip6t_HL_info),
-        .table          = "mangle",
-        .checkentry     = hl_tg6_check,
-        .me             = THIS_MODULE
-};
-
-static int __init hl_tg6_init(void)
-{
-        return xt_register_target(&hl_tg6_reg);
-}
-
-static void __exit hl_tg6_exit(void)
-{
-        xt_unregister_target(&hl_tg6_reg);
-}
-
-module_init(hl_tg6_init);
-module_exit(hl_tg6_exit);
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index 37adf5abc51e..7018cac4fddc 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -477,7 +477,7 @@ static struct xt_target log_tg6_reg __read_mostly = {
         .me             = THIS_MODULE,
 };
 
-static const struct nf_logger ip6t_logger = {
+static struct nf_logger ip6t_logger __read_mostly = {
         .name           = "ip6t_LOG",
         .logfn          = &ip6t_log_packet,
         .me             = THIS_MODULE,
diff --git a/net/ipv6/netfilter/ip6t_hl.c b/net/ipv6/netfilter/ip6t_hl.c
deleted file mode 100644
index c964dca1132d..000000000000
--- a/net/ipv6/netfilter/ip6t_hl.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/* Hop Limit matching module */
-
-/* (C) 2001-2002 Maciej Soltysiak <solt@dns.toxicfilms.tv>
- * Based on HW's ttl module
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/ipv6.h>
-#include <linux/module.h>
-#include <linux/skbuff.h>
-
-#include <linux/netfilter_ipv6/ip6t_hl.h>
-#include <linux/netfilter/x_tables.h>
-
-MODULE_AUTHOR("Maciej Soltysiak <solt@dns.toxicfilms.tv>");
-MODULE_DESCRIPTION("Xtables: IPv6 Hop Limit field match");
-MODULE_LICENSE("GPL");
-
-static bool hl_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
-{
-        const struct ip6t_hl_info *info = par->matchinfo;
-        const struct ipv6hdr *ip6h = ipv6_hdr(skb);
-
-        switch (info->mode) {
-                case IP6T_HL_EQ:
-                        return ip6h->hop_limit == info->hop_limit;
-                        break;
-                case IP6T_HL_NE:
-                        return ip6h->hop_limit != info->hop_limit;
-                        break;
-                case IP6T_HL_LT:
-                        return ip6h->hop_limit < info->hop_limit;
-                        break;
-                case IP6T_HL_GT:
-                        return ip6h->hop_limit > info->hop_limit;
-                        break;
-                default:
-                        printk(KERN_WARNING "ip6t_hl: unknown mode %d\n",
-                                info->mode);
-                        return false;
-        }
-
-        return false;
-}
-
-static struct xt_match hl_mt6_reg __read_mostly = {
-        .name           = "hl",
-        .family         = NFPROTO_IPV6,
-        .match          = hl_mt6,
-        .matchsize      = sizeof(struct ip6t_hl_info),
-        .me             = THIS_MODULE,
-};
-
-static int __init hl_mt6_init(void)
-{
-        return xt_register_match(&hl_mt6_reg);
-}
-
-static void __exit hl_mt6_exit(void)
-{
-        xt_unregister_match(&hl_mt6_reg);
-}
-
-module_init(hl_mt6_init);
-module_exit(hl_mt6_exit);
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index 40d2e36d8fac..ef5a0a32bf8e 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -54,7 +54,6 @@ static struct
 static struct xt_table packet_filter = {
         .name           = "filter",
         .valid_hooks    = FILTER_VALID_HOOKS,
-        .lock           = __RW_LOCK_UNLOCKED(packet_filter.lock),
         .me             = THIS_MODULE,
         .af             = AF_INET6,
 };
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index d0b31b259d4d..ab0d398a2ba7 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -60,7 +60,6 @@ static struct
 static struct xt_table packet_mangler = {
         .name           = "mangle",
         .valid_hooks    = MANGLE_VALID_HOOKS,
-        .lock           = __RW_LOCK_UNLOCKED(packet_mangler.lock),
         .me             = THIS_MODULE,
         .af             = AF_INET6,
 };
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index 109fab6f831a..4b792b6ca321 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -38,7 +38,6 @@ static struct
 static struct xt_table packet_raw = {
         .name = "raw",
         .valid_hooks = RAW_VALID_HOOKS,
-        .lock = __RW_LOCK_UNLOCKED(packet_raw.lock),
         .me = THIS_MODULE,
         .af = AF_INET6,
 };
diff --git a/net/ipv6/netfilter/ip6table_security.c b/net/ipv6/netfilter/ip6table_security.c
index 20bc52f13e43..0ea37ff15d56 100644
--- a/net/ipv6/netfilter/ip6table_security.c
+++ b/net/ipv6/netfilter/ip6table_security.c
@@ -59,7 +59,6 @@ static struct
 static struct xt_table security_table = {
         .name           = "security",
         .valid_hooks    = SECURITY_VALID_HOOKS,
-        .lock           = __RW_LOCK_UNLOCKED(security_table.lock),
         .me             = THIS_MODULE,
         .af             = AF_INET6,
 };
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 727b9530448a..e6852f617217 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -26,6 +26,7 @@
 #include <net/netfilter/nf_conntrack_l4proto.h>
 #include <net/netfilter/nf_conntrack_l3proto.h>
 #include <net/netfilter/nf_conntrack_core.h>
+#include <net/netfilter/ipv6/nf_conntrack_ipv6.h>
 
 static bool ipv6_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff,
                               struct nf_conntrack_tuple *tuple)
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 72dbb6d1a6b3..41b8a956e1be 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -126,6 +126,10 @@ static bool icmpv6_new(struct nf_conn *ct, const struct sk_buff *skb,
                 pr_debug("icmpv6: can't create new conn with type %u\n",
                          type + 128);
                 nf_ct_dump_tuple_ipv6(&ct->tuplehash[0].tuple);
+                if (LOG_INVALID(nf_ct_net(ct), IPPROTO_ICMPV6))
+                        nf_log_packet(PF_INET6, 0, skb, NULL, NULL, NULL,
+                                      "nf_ct_icmpv6: invalid new with type %d ",
+                                      type + 128);
                 return false;
         }
         atomic_set(&ct->proto.icmp.count, 0);
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index c2bac9cd0caf..2562d05dbaf5 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -357,6 +357,45 @@ config NETFILTER_XT_TARGET_DSCP
 
           To compile it as a module, choose M here.  If unsure, say N.
 
+config NETFILTER_XT_TARGET_HL
+        tristate '"HL" hoplimit target support'
+        depends on IP_NF_MANGLE || IP6_NF_MANGLE
+        depends on NETFILTER_ADVANCED
+        ---help---
+        This option adds the "HL" (for IPv6) and "TTL" (for IPv4)
+        targets, which enable the user to change the
+        hoplimit/time-to-live value of the IP header.
+
+        While it is safe to decrement the hoplimit/TTL value, the
+        modules also allow to increment and set the hoplimit value of
+        the header to arbitrary values. This is EXTREMELY DANGEROUS
+        since you can easily create immortal packets that loop
+        forever on the network.
+
+config NETFILTER_XT_TARGET_LED
+        tristate '"LED" target support'
+        depends on LEDS_CLASS
+        depends on NETFILTER_ADVANCED
+        help
+          This option adds a `LED' target, which allows you to blink LEDs in
+          response to particular packets passing through your machine.
+
+          This can be used to turn a spare LED into a network activity LED,
+          which only flashes in response to FTP transfers, for example.  Or
+          you could have an LED which lights up for a minute or two every time
+          somebody connects to your machine via SSH.
+
+          You will need support for the "led" class to make this work.
+
+          To create an LED trigger for incoming SSH traffic:
+            iptables -A INPUT -p tcp --dport 22 -j LED --led-trigger-id ssh --led-delay 1000
+
+          Then attach the new trigger to an LED on your system:
+            echo netfilter-ssh > /sys/class/leds/<ledname>/trigger
+
+          For more information on the LEDs available on your system, see
+          Documentation/leds-class.txt
+
 config NETFILTER_XT_TARGET_MARK
         tristate '"MARK" target support'
         default m if NETFILTER_ADVANCED=n
@@ -488,6 +527,22 @@ config NETFILTER_XT_TARGET_TCPOPTSTRIP
           This option adds a "TCPOPTSTRIP" target, which allows you to strip
           TCP options from TCP packets.
 
+config NETFILTER_XT_MATCH_CLUSTER
+        tristate '"cluster" match support'
+        depends on NF_CONNTRACK
+        depends on NETFILTER_ADVANCED
+        ---help---
+          This option allows you to build work-load-sharing clusters of
+          network servers/stateful firewalls without having a dedicated
+          load-balancing router/server/switch. Basically, this match returns
+          true when the packet must be handled by this cluster node. Thus,
+          all nodes see all packets and this match decides which node handles
+          what packets. The work-load sharing algorithm is based on source
+          address hashing.
+
+          If you say Y or M here, try `iptables -m cluster --help` for
+          more information.
+
 config NETFILTER_XT_MATCH_COMMENT
         tristate  '"comment" match support'
         depends on NETFILTER_ADVANCED
@@ -605,6 +660,14 @@ config NETFILTER_XT_MATCH_HELPER
 
           To compile it as a module, choose M here.  If unsure, say Y.
 
+config NETFILTER_XT_MATCH_HL
+        tristate '"hl" hoplimit/TTL match support'
+        depends on NETFILTER_ADVANCED
+        ---help---
+        HL matching allows you to match packets based on the hoplimit
+        in the IPv6 header, or the time-to-live field in the IPv4
+        header of the packet.
+
 config NETFILTER_XT_MATCH_IPRANGE
         tristate '"iprange" address range match support'
         depends on NETFILTER_ADVANCED
diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
index da3d909e053f..6282060fbda9 100644
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -45,6 +45,8 @@ obj-$(CONFIG_NETFILTER_XT_TARGET_CLASSIFY) += xt_CLASSIFY.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_CONNMARK) += xt_CONNMARK.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_CONNSECMARK) += xt_CONNSECMARK.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_DSCP) += xt_DSCP.o
+obj-$(CONFIG_NETFILTER_XT_TARGET_HL) += xt_HL.o
+obj-$(CONFIG_NETFILTER_XT_TARGET_LED) += xt_LED.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_MARK) += xt_MARK.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_NFLOG) += xt_NFLOG.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_NFQUEUE) += xt_NFQUEUE.o
@@ -57,6 +59,7 @@ obj-$(CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP) += xt_TCPOPTSTRIP.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_TRACE) += xt_TRACE.o
 
 # matches
+obj-$(CONFIG_NETFILTER_XT_MATCH_CLUSTER) += xt_cluster.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_COMMENT) += xt_comment.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_CONNBYTES) += xt_connbytes.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_CONNLIMIT) += xt_connlimit.o
@@ -67,6 +70,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_DSCP) += xt_dscp.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) += xt_esp.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o
+obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_IPRANGE) += xt_iprange.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_LENGTH) += xt_length.o
 obj-$(CONFIG_NETFILTER_XT_MATCH_LIMIT) += xt_limit.o
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index a90ac83c5918..5bb34737501f 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -174,7 +174,6 @@ next_hook:
                              outdev, &elem, okfn, hook_thresh);
         if (verdict == NF_ACCEPT || verdict == NF_STOP) {
                 ret = 1;
-                goto unlock;
         } else if (verdict == NF_DROP) {
                 kfree_skb(skb);
                 ret = -EPERM;
@@ -183,7 +182,6 @@ next_hook:
                               verdict >> NF_VERDICT_BITS))
                         goto next_hook;
         }
-unlock:
         rcu_read_unlock();
         return ret;
 }
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index f4935e344b61..dfb447b584da 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -54,7 +54,7 @@ EXPORT_SYMBOL_GPL(nf_conntrack_lock);
 unsigned int nf_conntrack_htable_size __read_mostly;
 EXPORT_SYMBOL_GPL(nf_conntrack_htable_size);
 
-int nf_conntrack_max __read_mostly;
+unsigned int nf_conntrack_max __read_mostly;
 EXPORT_SYMBOL_GPL(nf_conntrack_max);
 
 struct nf_conn nf_conntrack_untracked __read_mostly;
@@ -472,7 +472,8 @@ struct nf_conn *nf_conntrack_alloc(struct net *net,
         struct nf_conn *ct;
 
         if (unlikely(!nf_conntrack_hash_rnd_initted)) {
-                get_random_bytes(&nf_conntrack_hash_rnd, 4);
+                get_random_bytes(&nf_conntrack_hash_rnd,
+                                sizeof(nf_conntrack_hash_rnd));
                 nf_conntrack_hash_rnd_initted = 1;
         }
 
@@ -516,16 +517,17 @@ EXPORT_SYMBOL_GPL(nf_conntrack_alloc);
 static void nf_conntrack_free_rcu(struct rcu_head *head)
 {
         struct nf_conn *ct = container_of(head, struct nf_conn, rcu);
-        struct net *net = nf_ct_net(ct);
 
         nf_ct_ext_free(ct);
         kmem_cache_free(nf_conntrack_cachep, ct);
-        atomic_dec(&net->ct.count);
 }
 
 void nf_conntrack_free(struct nf_conn *ct)
 {
+        struct net *net = nf_ct_net(ct);
+
         nf_ct_ext_destroy(ct);
+        atomic_dec(&net->ct.count);
         call_rcu(&ct->rcu, nf_conntrack_free_rcu);
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_free);
@@ -733,6 +735,8 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
                 nf_conntrack_put(skb->nfct);
                 skb->nfct = NULL;
                 NF_CT_STAT_INC_ATOMIC(net, invalid);
+                if (ret == -NF_DROP)
+                        NF_CT_STAT_INC_ATOMIC(net, drop);
                 return -ret;
         }
 
@@ -1103,7 +1107,7 @@ int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp)
 
         /* We have to rehahs for the new table anyway, so we also can
          * use a newrandom seed */
-        get_random_bytes(&rnd, 4);
+        get_random_bytes(&rnd, sizeof(rnd));
 
         /* Lookups in the old hash might happen in parallel, which means we
          * might get false negatives during connection lookup. New connections
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index 3a8a34a6d37c..357ba39d4c8d 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -72,7 +72,8 @@ static unsigned int nf_ct_expect_dst_hash(const struct nf_conntrack_tuple *tuple
         unsigned int hash;
 
         if (unlikely(!nf_ct_expect_hash_rnd_initted)) {
-                get_random_bytes(&nf_ct_expect_hash_rnd, 4);
+                get_random_bytes(&nf_ct_expect_hash_rnd,
+                                 sizeof(nf_ct_expect_hash_rnd));
                 nf_ct_expect_hash_rnd_initted = 1;
         }
 
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index ed6d873ad384..7a16bd462f82 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -518,6 +518,7 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
 nla_put_failure:
         rcu_read_unlock();
 nlmsg_failure:
+        nfnetlink_set_err(0, group, -ENOBUFS);
         kfree_skb(skb);
         return NOTIFY_DONE;
 }
@@ -599,7 +600,8 @@ ctnetlink_parse_tuple_ip(struct nlattr *attr, struct nf_conntrack_tuple *tuple)
 
         nla_parse_nested(tb, CTA_IP_MAX, attr, NULL);
 
-        l3proto = nf_ct_l3proto_find_get(tuple->src.l3num);
+        rcu_read_lock();
+        l3proto = __nf_ct_l3proto_find(tuple->src.l3num);
 
         if (likely(l3proto->nlattr_to_tuple)) {
                 ret = nla_validate_nested(attr, CTA_IP_MAX,
@@ -608,7 +610,7 @@ ctnetlink_parse_tuple_ip(struct nlattr *attr, struct nf_conntrack_tuple *tuple)
                         ret = l3proto->nlattr_to_tuple(tb, tuple);
         }
 
-        nf_ct_l3proto_put(l3proto);
+        rcu_read_unlock();
 
         return ret;
 }
@@ -633,7 +635,8 @@ ctnetlink_parse_tuple_proto(struct nlattr *attr,
                 return -EINVAL;
         tuple->dst.protonum = nla_get_u8(tb[CTA_PROTO_NUM]);
 
-        l4proto = nf_ct_l4proto_find_get(tuple->src.l3num, tuple->dst.protonum);
+        rcu_read_lock();
+        l4proto = __nf_ct_l4proto_find(tuple->src.l3num, tuple->dst.protonum);
 
         if (likely(l4proto->nlattr_to_tuple)) {
                 ret = nla_validate_nested(attr, CTA_PROTO_MAX,
@@ -642,7 +645,7 @@ ctnetlink_parse_tuple_proto(struct nlattr *attr,
                         ret = l4proto->nlattr_to_tuple(tb, tuple);
         }
 
-        nf_ct_l4proto_put(l4proto);
+        rcu_read_unlock();
 
         return ret;
 }
@@ -989,10 +992,11 @@ ctnetlink_change_protoinfo(struct nf_conn *ct, struct nlattr *cda[])
 
         nla_parse_nested(tb, CTA_PROTOINFO_MAX, attr, NULL);
 
-        l4proto = nf_ct_l4proto_find_get(nf_ct_l3num(ct), nf_ct_protonum(ct));
+        rcu_read_lock();
+        l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct));
         if (l4proto->from_nlattr)
                 err = l4proto->from_nlattr(tb, ct);
-        nf_ct_l4proto_put(l4proto);
+        rcu_read_unlock();
 
         return err;
 }
@@ -1062,6 +1066,10 @@ ctnetlink_change_conntrack(struct nf_conn *ct, struct nlattr *cda[])
 {
         int err;
 
+        /* only allow NAT changes and master assignation for new conntracks */
+        if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST] || cda[CTA_TUPLE_MASTER])
+                return -EOPNOTSUPP;
+
         if (cda[CTA_HELP]) {
                 err = ctnetlink_change_helper(ct, cda);
                 if (err < 0)
@@ -1124,13 +1132,11 @@ ctnetlink_event_report(struct nf_conn *ct, u32 pid, int report)
                                   report);
 }
 
-static int
+static struct nf_conn *
 ctnetlink_create_conntrack(struct nlattr *cda[],
                            struct nf_conntrack_tuple *otuple,
                            struct nf_conntrack_tuple *rtuple,
-                           struct nf_conn *master_ct,
-                           u32 pid,
-                           int report)
+                           u8 u3)
 {
         struct nf_conn *ct;
         int err = -EINVAL;
@@ -1138,10 +1144,10 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
 
         ct = nf_conntrack_alloc(&init_net, otuple, rtuple, GFP_ATOMIC);
         if (IS_ERR(ct))
-                return -ENOMEM;
+                return ERR_PTR(-ENOMEM);
 
         if (!cda[CTA_TIMEOUT])
-                goto err;
+                goto err1;
         ct->timeout.expires = ntohl(nla_get_be32(cda[CTA_TIMEOUT]));
 
         ct->timeout.expires = jiffies + ct->timeout.expires * HZ;
@@ -1152,10 +1158,8 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
                 char *helpname;
  
                 err = ctnetlink_parse_help(cda[CTA_HELP], &helpname);
-                if (err < 0) {
-                        rcu_read_unlock();
-                        goto err;
-                }
+                if (err < 0)
+                        goto err2;
 
                 helper = __nf_conntrack_helper_find_byname(helpname);
                 if (helper == NULL) {
@@ -1163,28 +1167,26 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
 #ifdef CONFIG_MODULES
                         if (request_module("nfct-helper-%s", helpname) < 0) {
                                 err = -EOPNOTSUPP;
-                                goto err;
+                                goto err1;
                         }
 
                         rcu_read_lock();
                         helper = __nf_conntrack_helper_find_byname(helpname);
                         if (helper) {
-                                rcu_read_unlock();
                                 err = -EAGAIN;
-                                goto err;
+                                goto err2;
                         }
                         rcu_read_unlock();
 #endif
                         err = -EOPNOTSUPP;
-                        goto err;
+                        goto err1;
                 } else {
                         struct nf_conn_help *help;
 
                         help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
                         if (help == NULL) {
-                                rcu_read_unlock();
                                 err = -ENOMEM;
-                                goto err;
+                                goto err2;
                         }
 
                         /* not in hash table yet so not strictly necessary */
@@ -1193,44 +1195,34 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
         } else {
                 /* try an implicit helper assignation */
                 err = __nf_ct_try_assign_helper(ct, GFP_ATOMIC);
-                if (err < 0) {
-                        rcu_read_unlock();
-                        goto err;
-                }
+                if (err < 0)
+                        goto err2;
         }
 
         if (cda[CTA_STATUS]) {
                 err = ctnetlink_change_status(ct, cda);
-                if (err < 0) {
-                        rcu_read_unlock();
-                        goto err;
-                }
+                if (err < 0)
+                        goto err2;
         }
 
         if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) {
                 err = ctnetlink_change_nat(ct, cda);
-                if (err < 0) {
-                        rcu_read_unlock();
-                        goto err;
-                }
+                if (err < 0)
+                        goto err2;
         }
 
 #ifdef CONFIG_NF_NAT_NEEDED
         if (cda[CTA_NAT_SEQ_ADJ_ORIG] || cda[CTA_NAT_SEQ_ADJ_REPLY]) {
                 err = ctnetlink_change_nat_seq_adj(ct, cda);
-                if (err < 0) {
-                        rcu_read_unlock();
-                        goto err;
-                }
+                if (err < 0)
+                        goto err2;
         }
 #endif
 
         if (cda[CTA_PROTOINFO]) {
                 err = ctnetlink_change_protoinfo(ct, cda);
-                if (err < 0) {
-                        rcu_read_unlock();
-                        goto err;
-                }
+                if (err < 0)
+                        goto err2;
         }
 
         nf_ct_acct_ext_add(ct, GFP_ATOMIC);
@@ -1241,23 +1233,37 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
 #endif
 
         /* setup master conntrack: this is a confirmed expectation */
-        if (master_ct) {
+        if (cda[CTA_TUPLE_MASTER]) {
+                struct nf_conntrack_tuple master;
+                struct nf_conntrack_tuple_hash *master_h;
+                struct nf_conn *master_ct;
+
+                err = ctnetlink_parse_tuple(cda, &master, CTA_TUPLE_MASTER, u3);
+                if (err < 0)
+                        goto err2;
+
+                master_h = __nf_conntrack_find(&init_net, &master);
+                if (master_h == NULL) {
+                        err = -ENOENT;
+                        goto err2;
+                }
+                master_ct = nf_ct_tuplehash_to_ctrack(master_h);
+                nf_conntrack_get(&master_ct->ct_general);
                 __set_bit(IPS_EXPECTED_BIT, &ct->status);
                 ct->master = master_ct;
         }
 
-        nf_conntrack_get(&ct->ct_general);
         add_timer(&ct->timeout);
         nf_conntrack_hash_insert(ct);
         rcu_read_unlock();
-        ctnetlink_event_report(ct, pid, report);
-        nf_ct_put(ct);
 
-        return 0;
+        return ct;
 
-err:
+err2:
+        rcu_read_unlock();
+err1:
         nf_conntrack_free(ct);
-        return err;
+        return ERR_PTR(err);
 }
 
 static int
@@ -1289,38 +1295,25 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
                 h = __nf_conntrack_find(&init_net, &rtuple);
 
         if (h == NULL) {
-                struct nf_conntrack_tuple master;
-                struct nf_conntrack_tuple_hash *master_h = NULL;
-                struct nf_conn *master_ct = NULL;
-
-                if (cda[CTA_TUPLE_MASTER]) {
-                        err = ctnetlink_parse_tuple(cda,
-                                                    &master,
-                                                    CTA_TUPLE_MASTER,
-                                                    u3);
-                        if (err < 0)
-                                goto out_unlock;
+                err = -ENOENT;
+                if (nlh->nlmsg_flags & NLM_F_CREATE) {
+                        struct nf_conn *ct;
 
-                        master_h = __nf_conntrack_find(&init_net, &master);
-                        if (master_h == NULL) {
-                                err = -ENOENT;
+                        ct = ctnetlink_create_conntrack(cda, &otuple,
+                                                        &rtuple, u3);
+                        if (IS_ERR(ct)) {
+                                err = PTR_ERR(ct);
                                 goto out_unlock;
                         }
-                        master_ct = nf_ct_tuplehash_to_ctrack(master_h);
-                        nf_conntrack_get(&master_ct->ct_general);
-                }
-
-                err = -ENOENT;
-                if (nlh->nlmsg_flags & NLM_F_CREATE)
-                        err = ctnetlink_create_conntrack(cda,
-                                                         &otuple,
-                                                         &rtuple,
-                                                         master_ct,
-                                                         NETLINK_CB(skb).pid,
-                                                         nlmsg_report(nlh));
-                spin_unlock_bh(&nf_conntrack_lock);
-                if (err < 0 && master_ct)
-                        nf_ct_put(master_ct);
+                        err = 0;
+                        nf_conntrack_get(&ct->ct_general);
+                        spin_unlock_bh(&nf_conntrack_lock);
+                        ctnetlink_event_report(ct,
+                                               NETLINK_CB(skb).pid,
+                                               nlmsg_report(nlh));
+                        nf_ct_put(ct);
+                } else
+                        spin_unlock_bh(&nf_conntrack_lock);
 
                 return err;
         }
@@ -1332,17 +1325,6 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
         if (!(nlh->nlmsg_flags & NLM_F_EXCL)) {
                 struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(h);
 
-                /* we only allow nat config for new conntracks */
-                if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) {
-                        err = -EOPNOTSUPP;
-                        goto out_unlock;
-                }
-                /* can't link an existing conntrack to a master */
-                if (cda[CTA_TUPLE_MASTER]) {
-                        err = -EOPNOTSUPP;
-                        goto out_unlock;
-                }
-
                 err = ctnetlink_change_conntrack(ct, cda);
                 if (err == 0) {
                         nf_conntrack_get(&ct->ct_general);
@@ -1533,6 +1515,7 @@ static int ctnetlink_expect_event(struct notifier_block *this,
 nla_put_failure:
         rcu_read_unlock();
 nlmsg_failure:
+        nfnetlink_set_err(0, 0, -ENOBUFS);
         kfree_skb(skb);
         return NOTIFY_DONE;
 }
diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c
index 592d73344d46..9a62b4efa0e1 100644
--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -74,27 +74,6 @@ EXPORT_SYMBOL_GPL(__nf_ct_l4proto_find);
 
 /* this is guaranteed to always return a valid protocol helper, since
  * it falls back to generic_protocol */
-struct nf_conntrack_l4proto *
-nf_ct_l4proto_find_get(u_int16_t l3proto, u_int8_t l4proto)
-{
-        struct nf_conntrack_l4proto *p;
-
-        rcu_read_lock();
-        p = __nf_ct_l4proto_find(l3proto, l4proto);
-        if (!try_module_get(p->me))
-                p = &nf_conntrack_l4proto_generic;
-        rcu_read_unlock();
-
-        return p;
-}
-EXPORT_SYMBOL_GPL(nf_ct_l4proto_find_get);
-
-void nf_ct_l4proto_put(struct nf_conntrack_l4proto *p)
-{
-        module_put(p->me);
-}
-EXPORT_SYMBOL_GPL(nf_ct_l4proto_put);
-
 struct nf_conntrack_l3proto *
 nf_ct_l3proto_find_get(u_int16_t l3proto)
 {
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 8fcf1762fabf..d3d5a7fd73ce 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -16,6 +16,9 @@
 #include <linux/skbuff.h>
 #include <linux/dccp.h>
 
+#include <net/net_namespace.h>
+#include <net/netns/generic.h>
+
 #include <linux/netfilter/nfnetlink_conntrack.h>
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_l4proto.h>
@@ -23,8 +26,6 @@
 
 static DEFINE_RWLOCK(dccp_lock);
 
-static int nf_ct_dccp_loose __read_mostly = 1;
-
 /* Timeouts are based on values from RFC4340:
  *
  * - REQUEST:
@@ -72,16 +73,6 @@ static int nf_ct_dccp_loose __read_mostly = 1;
 
 #define DCCP_MSL (2 * 60 * HZ)
 
-static unsigned int dccp_timeout[CT_DCCP_MAX + 1] __read_mostly = {
-        [CT_DCCP_REQUEST]       = 2 * DCCP_MSL,
-        [CT_DCCP_RESPOND]       = 4 * DCCP_MSL,
-        [CT_DCCP_PARTOPEN]      = 4 * DCCP_MSL,
-        [CT_DCCP_OPEN]          = 12 * 3600 * HZ,
-        [CT_DCCP_CLOSEREQ]      = 64 * HZ,
-        [CT_DCCP_CLOSING]       = 64 * HZ,
-        [CT_DCCP_TIMEWAIT]      = 2 * DCCP_MSL,
-};
-
 static const char * const dccp_state_names[] = {
         [CT_DCCP_NONE]          = "NONE",
         [CT_DCCP_REQUEST]       = "REQUEST",
@@ -393,6 +384,22 @@ dccp_state_table[CT_DCCP_ROLE_MAX + 1][DCCP_PKT_SYNCACK + 1][CT_DCCP_MAX + 1] =
         },
 };
 
+/* this module per-net specifics */
+static int dccp_net_id;
+struct dccp_net {
+        int dccp_loose;
+        unsigned int dccp_timeout[CT_DCCP_MAX + 1];
+#ifdef CONFIG_SYSCTL
+        struct ctl_table_header *sysctl_header;
+        struct ctl_table *sysctl_table;
+#endif
+};
+
+static inline struct dccp_net *dccp_pernet(struct net *net)
+{
+        return net_generic(net, dccp_net_id);
+}
+
 static bool dccp_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff,
                               struct nf_conntrack_tuple *tuple)
 {
@@ -419,6 +426,7 @@ static bool dccp_new(struct nf_conn *ct, const struct sk_buff *skb,
                      unsigned int dataoff)
 {
         struct net *net = nf_ct_net(ct);
+        struct dccp_net *dn;
         struct dccp_hdr _dh, *dh;
         const char *msg;
         u_int8_t state;
@@ -429,7 +437,8 @@ static bool dccp_new(struct nf_conn *ct, const struct sk_buff *skb,
         state = dccp_state_table[CT_DCCP_ROLE_CLIENT][dh->dccph_type][CT_DCCP_NONE];
         switch (state) {
         default:
-                if (nf_ct_dccp_loose == 0) {
+                dn = dccp_pernet(net);
+                if (dn->dccp_loose == 0) {
                         msg = "nf_ct_dccp: not picking up existing connection ";
                         goto out_invalid;
                 }
@@ -465,6 +474,7 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb,
                        u_int8_t pf, unsigned int hooknum)
 {
         struct net *net = nf_ct_net(ct);
+        struct dccp_net *dn;
         enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
         struct dccp_hdr _dh, *dh;
         u_int8_t type, old_state, new_state;
@@ -542,7 +552,9 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb,
         ct->proto.dccp.last_pkt = type;
         ct->proto.dccp.state = new_state;
         write_unlock_bh(&dccp_lock);
-        nf_ct_refresh_acct(ct, ctinfo, skb, dccp_timeout[new_state]);
+
+        dn = dccp_pernet(net);
+        nf_ct_refresh_acct(ct, ctinfo, skb, dn->dccp_timeout[new_state]);
 
         return NF_ACCEPT;
 }
@@ -660,13 +672,11 @@ static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct)
 #endif
 
 #ifdef CONFIG_SYSCTL
-static unsigned int dccp_sysctl_table_users;
-static struct ctl_table_header *dccp_sysctl_header;
-static ctl_table dccp_sysctl_table[] = {
+/* template, data assigned later */
+static struct ctl_table dccp_sysctl_table[] = {
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "nf_conntrack_dccp_timeout_request",
-                .data           = &dccp_timeout[CT_DCCP_REQUEST],
                 .maxlen         = sizeof(unsigned int),
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec_jiffies,
@@ -674,7 +684,6 @@ static ctl_table dccp_sysctl_table[] = {
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "nf_conntrack_dccp_timeout_respond",
-                .data           = &dccp_timeout[CT_DCCP_RESPOND],
                 .maxlen         = sizeof(unsigned int),
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec_jiffies,
@@ -682,7 +691,6 @@ static ctl_table dccp_sysctl_table[] = {
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "nf_conntrack_dccp_timeout_partopen",
-                .data           = &dccp_timeout[CT_DCCP_PARTOPEN],
                 .maxlen         = sizeof(unsigned int),
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec_jiffies,
@@ -690,7 +698,6 @@ static ctl_table dccp_sysctl_table[] = {
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "nf_conntrack_dccp_timeout_open",
-                .data           = &dccp_timeout[CT_DCCP_OPEN],
                 .maxlen         = sizeof(unsigned int),
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec_jiffies,
@@ -698,7 +705,6 @@ static ctl_table dccp_sysctl_table[] = {
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "nf_conntrack_dccp_timeout_closereq",
-                .data           = &dccp_timeout[CT_DCCP_CLOSEREQ],
                 .maxlen         = sizeof(unsigned int),
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec_jiffies,
@@ -706,7 +712,6 @@ static ctl_table dccp_sysctl_table[] = {
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "nf_conntrack_dccp_timeout_closing",
-                .data           = &dccp_timeout[CT_DCCP_CLOSING],
                 .maxlen         = sizeof(unsigned int),
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec_jiffies,
@@ -714,7 +719,6 @@ static ctl_table dccp_sysctl_table[] = {
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "nf_conntrack_dccp_timeout_timewait",
-                .data           = &dccp_timeout[CT_DCCP_TIMEWAIT],
                 .maxlen         = sizeof(unsigned int),
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec_jiffies,
@@ -722,8 +726,7 @@ static ctl_table dccp_sysctl_table[] = {
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "nf_conntrack_dccp_loose",
-                .data           = &nf_ct_dccp_loose,
-                .maxlen         = sizeof(nf_ct_dccp_loose),
+                .maxlen         = sizeof(int),
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec,
         },
@@ -751,11 +754,6 @@ static struct nf_conntrack_l4proto dccp_proto4 __read_mostly = {
         .nlattr_to_tuple        = nf_ct_port_nlattr_to_tuple,
         .nla_policy             = nf_ct_port_nla_policy,
 #endif
-#ifdef CONFIG_SYSCTL
-        .ctl_table_users        = &dccp_sysctl_table_users,
-        .ctl_table_header       = &dccp_sysctl_header,
-        .ctl_table              = dccp_sysctl_table,
-#endif
 };
 
 static struct nf_conntrack_l4proto dccp_proto6 __read_mostly = {
@@ -776,34 +774,107 @@ static struct nf_conntrack_l4proto dccp_proto6 __read_mostly = {
         .nlattr_to_tuple        = nf_ct_port_nlattr_to_tuple,
         .nla_policy             = nf_ct_port_nla_policy,
 #endif
+};
+
+static __net_init int dccp_net_init(struct net *net)
+{
+        struct dccp_net *dn;
+        int err;
+
+        dn = kmalloc(sizeof(*dn), GFP_KERNEL);
+        if (!dn)
+                return -ENOMEM;
+
+        /* default values */
+        dn->dccp_loose = 1;
+        dn->dccp_timeout[CT_DCCP_REQUEST]       = 2 * DCCP_MSL;
+        dn->dccp_timeout[CT_DCCP_RESPOND]       = 4 * DCCP_MSL;
+        dn->dccp_timeout[CT_DCCP_PARTOPEN]      = 4 * DCCP_MSL;
+        dn->dccp_timeout[CT_DCCP_OPEN]          = 12 * 3600 * HZ;
+        dn->dccp_timeout[CT_DCCP_CLOSEREQ]      = 64 * HZ;
+        dn->dccp_timeout[CT_DCCP_CLOSING]       = 64 * HZ;
+        dn->dccp_timeout[CT_DCCP_TIMEWAIT]      = 2 * DCCP_MSL;
+
+        err = net_assign_generic(net, dccp_net_id, dn);
+        if (err)
+                goto out;
+
 #ifdef CONFIG_SYSCTL
-        .ctl_table_users        = &dccp_sysctl_table_users,
-        .ctl_table_header       = &dccp_sysctl_header,
-        .ctl_table              = dccp_sysctl_table,
+        err = -ENOMEM;
+        dn->sysctl_table = kmemdup(dccp_sysctl_table,
+                        sizeof(dccp_sysctl_table), GFP_KERNEL);
+        if (!dn->sysctl_table)
+                goto out;
+
+        dn->sysctl_table[0].data = &dn->dccp_timeout[CT_DCCP_REQUEST];
+        dn->sysctl_table[1].data = &dn->dccp_timeout[CT_DCCP_RESPOND];
+        dn->sysctl_table[2].data = &dn->dccp_timeout[CT_DCCP_PARTOPEN];
+        dn->sysctl_table[3].data = &dn->dccp_timeout[CT_DCCP_OPEN];
+        dn->sysctl_table[4].data = &dn->dccp_timeout[CT_DCCP_CLOSEREQ];
+        dn->sysctl_table[5].data = &dn->dccp_timeout[CT_DCCP_CLOSING];
+        dn->sysctl_table[6].data = &dn->dccp_timeout[CT_DCCP_TIMEWAIT];
+        dn->sysctl_table[7].data = &dn->dccp_loose;
+
+        dn->sysctl_header = register_net_sysctl_table(net,
+                        nf_net_netfilter_sysctl_path, dn->sysctl_table);
+        if (!dn->sysctl_header) {
+                kfree(dn->sysctl_table);
+                goto out;
+        }
 #endif
+
+        return 0;
+
+out:
+        kfree(dn);
+        return err;
+}
+
+static __net_exit void dccp_net_exit(struct net *net)
+{
+        struct dccp_net *dn = dccp_pernet(net);
+#ifdef CONFIG_SYSCTL
+        unregister_net_sysctl_table(dn->sysctl_header);
+        kfree(dn->sysctl_table);
+#endif
+        kfree(dn);
+
+        net_assign_generic(net, dccp_net_id, NULL);
+}
+
+static struct pernet_operations dccp_net_ops = {
+        .init = dccp_net_init,
+        .exit = dccp_net_exit,
 };
 
 static int __init nf_conntrack_proto_dccp_init(void)
 {
         int err;
 
-        err = nf_conntrack_l4proto_register(&dccp_proto4);
+        err = register_pernet_gen_subsys(&dccp_net_id, &dccp_net_ops);
         if (err < 0)
                 goto err1;
 
-        err = nf_conntrack_l4proto_register(&dccp_proto6);
+        err = nf_conntrack_l4proto_register(&dccp_proto4);
         if (err < 0)
                 goto err2;
+
+        err = nf_conntrack_l4proto_register(&dccp_proto6);
+        if (err < 0)
+                goto err3;
         return 0;
 
-err2:
+err3:
         nf_conntrack_l4proto_unregister(&dccp_proto4);
+err2:
+        unregister_pernet_gen_subsys(dccp_net_id, &dccp_net_ops);
 err1:
         return err;
 }
 
 static void __exit nf_conntrack_proto_dccp_fini(void)
 {
+        unregister_pernet_gen_subsys(dccp_net_id, &dccp_net_ops);
         nf_conntrack_l4proto_unregister(&dccp_proto6);
         nf_conntrack_l4proto_unregister(&dccp_proto4);
 }
diff --git a/net/netfilter/nf_conntrack_proto_generic.c b/net/netfilter/nf_conntrack_proto_generic.c
index 4be80d7b8795..829374f426c4 100644
--- a/net/netfilter/nf_conntrack_proto_generic.c
+++ b/net/netfilter/nf_conntrack_proto_generic.c
@@ -92,7 +92,7 @@ static struct ctl_table generic_compat_sysctl_table[] = {
 struct nf_conntrack_l4proto nf_conntrack_l4proto_generic __read_mostly =
 {
         .l3proto                = PF_UNSPEC,
-        .l4proto                = 0,
+        .l4proto                = 255,
         .name                   = "unknown",
         .pkt_to_tuple           = generic_pkt_to_tuple,
         .invert_tuple           = generic_invert_tuple,
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index f3fd154d1ddd..e46f3b79adb3 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -25,6 +25,8 @@
 #include <net/netfilter/nf_conntrack_l4proto.h>
 #include <net/netfilter/nf_conntrack_ecache.h>
 #include <net/netfilter/nf_log.h>
+#include <net/netfilter/ipv4/nf_conntrack_ipv4.h>
+#include <net/netfilter/ipv6/nf_conntrack_ipv6.h>
 
 /* Protects ct->proto.tcp */
 static DEFINE_RWLOCK(tcp_lock);
diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c
index 2b8b1f579f93..d4021179e24e 100644
--- a/net/netfilter/nf_conntrack_proto_udp.c
+++ b/net/netfilter/nf_conntrack_proto_udp.c
@@ -22,6 +22,8 @@
 #include <net/netfilter/nf_conntrack_l4proto.h>
 #include <net/netfilter/nf_conntrack_ecache.h>
 #include <net/netfilter/nf_log.h>
+#include <net/netfilter/ipv4/nf_conntrack_ipv4.h>
+#include <net/netfilter/ipv6/nf_conntrack_ipv6.h>
 
 static unsigned int nf_ct_udp_timeout __read_mostly = 30*HZ;
 static unsigned int nf_ct_udp_timeout_stream __read_mostly = 180*HZ;
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index fa8ae5d2659c..8bb998fe098b 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -14,58 +14,63 @@
    LOG target modules */
 
 #define NF_LOG_PREFIXLEN                128
+#define NFLOGGER_NAME_LEN               64
 
 static const struct nf_logger *nf_loggers[NFPROTO_NUMPROTO] __read_mostly;
+static struct list_head nf_loggers_l[NFPROTO_NUMPROTO] __read_mostly;
 static DEFINE_MUTEX(nf_log_mutex);
 
-/* return EBUSY if somebody else is registered, EEXIST if the same logger
- * is registred, 0 on success. */
-int nf_log_register(u_int8_t pf, const struct nf_logger *logger)
+static struct nf_logger *__find_logger(int pf, const char *str_logger)
 {
-        int ret;
+        struct nf_logger *t;
 
-        if (pf >= ARRAY_SIZE(nf_loggers))
-                return -EINVAL;
-
-        /* Any setup of logging members must be done before
-         * substituting pointer. */
-        ret = mutex_lock_interruptible(&nf_log_mutex);
-        if (ret < 0)
-                return ret;
-
-        if (!nf_loggers[pf])
-                rcu_assign_pointer(nf_loggers[pf], logger);
-        else if (nf_loggers[pf] == logger)
-                ret = -EEXIST;
-        else
-                ret = -EBUSY;
+        list_for_each_entry(t, &nf_loggers_l[pf], list[pf]) {
+                if (!strnicmp(str_logger, t->name, strlen(t->name)))
+                        return t;
+        }
 
-        mutex_unlock(&nf_log_mutex);
-        return ret;
+        return NULL;
 }
-EXPORT_SYMBOL(nf_log_register);
 
-void nf_log_unregister_pf(u_int8_t pf)
+/* return EEXIST if the same logger is registred, 0 on success. */
+int nf_log_register(u_int8_t pf, struct nf_logger *logger)
 {
+        const struct nf_logger *llog;
+
         if (pf >= ARRAY_SIZE(nf_loggers))
-                return;
+                return -EINVAL;
+
         mutex_lock(&nf_log_mutex);
-        rcu_assign_pointer(nf_loggers[pf], NULL);
+
+        if (pf == NFPROTO_UNSPEC) {
+                int i;
+                for (i = NFPROTO_UNSPEC; i < NFPROTO_NUMPROTO; i++)
+                        list_add_tail(&(logger->list[i]), &(nf_loggers_l[i]));
+        } else {
+                /* register at end of list to honor first register win */
+                list_add_tail(&logger->list[pf], &nf_loggers_l[pf]);
+                llog = rcu_dereference(nf_loggers[pf]);
+                if (llog == NULL)
+                        rcu_assign_pointer(nf_loggers[pf], logger);
+        }
+
         mutex_unlock(&nf_log_mutex);
 
-        /* Give time to concurrent readers. */
-        synchronize_rcu();
+        return 0;
 }
-EXPORT_SYMBOL(nf_log_unregister_pf);
+EXPORT_SYMBOL(nf_log_register);
 
-void nf_log_unregister(const struct nf_logger *logger)
+void nf_log_unregister(struct nf_logger *logger)
 {
+        const struct nf_logger *c_logger;
         int i;
 
         mutex_lock(&nf_log_mutex);
         for (i = 0; i < ARRAY_SIZE(nf_loggers); i++) {
-                if (nf_loggers[i] == logger)
+                c_logger = rcu_dereference(nf_loggers[i]);
+                if (c_logger == logger)
                         rcu_assign_pointer(nf_loggers[i], NULL);
+                list_del(&logger->list[i]);
         }
         mutex_unlock(&nf_log_mutex);
 
@@ -73,6 +78,27 @@ void nf_log_unregister(const struct nf_logger *logger)
 }
 EXPORT_SYMBOL(nf_log_unregister);
 
+int nf_log_bind_pf(u_int8_t pf, const struct nf_logger *logger)
+{
+        mutex_lock(&nf_log_mutex);
+        if (__find_logger(pf, logger->name) == NULL) {
+                mutex_unlock(&nf_log_mutex);
+                return -ENOENT;
+        }
+        rcu_assign_pointer(nf_loggers[pf], logger);
+        mutex_unlock(&nf_log_mutex);
+        return 0;
+}
+EXPORT_SYMBOL(nf_log_bind_pf);
+
+void nf_log_unbind_pf(u_int8_t pf)
+{
+        mutex_lock(&nf_log_mutex);
+        rcu_assign_pointer(nf_loggers[pf], NULL);
+        mutex_unlock(&nf_log_mutex);
+}
+EXPORT_SYMBOL(nf_log_unbind_pf);
+
 void nf_log_packet(u_int8_t pf,
                    unsigned int hooknum,
                    const struct sk_buff *skb,
@@ -129,13 +155,37 @@ static int seq_show(struct seq_file *s, void *v)
 {
         loff_t *pos = v;
         const struct nf_logger *logger;
+        struct nf_logger *t;
+        int ret;
 
         logger = rcu_dereference(nf_loggers[*pos]);
 
         if (!logger)
-                return seq_printf(s, "%2lld NONE\n", *pos);
+                ret = seq_printf(s, "%2lld NONE (", *pos);
+        else
+                ret = seq_printf(s, "%2lld %s (", *pos, logger->name);
+
+        if (ret < 0)
+                return ret;
+
+        mutex_lock(&nf_log_mutex);
+        list_for_each_entry(t, &nf_loggers_l[*pos], list[*pos]) {
+                ret = seq_printf(s, "%s", t->name);
+                if (ret < 0) {
+                        mutex_unlock(&nf_log_mutex);
+                        return ret;
+                }
+                if (&t->list[*pos] != nf_loggers_l[*pos].prev) {
+                        ret = seq_printf(s, ",");
+                        if (ret < 0) {
+                                mutex_unlock(&nf_log_mutex);
+                                return ret;
+                        }
+                }
+        }
+        mutex_unlock(&nf_log_mutex);
 
-        return seq_printf(s, "%2lld %s\n", *pos, logger->name);
+        return seq_printf(s, ")\n");
 }
 
 static const struct seq_operations nflog_seq_ops = {
@@ -158,15 +208,102 @@ static const struct file_operations nflog_file_ops = {
         .release = seq_release,
 };
 
+
 #endif /* PROC_FS */
 
+#ifdef CONFIG_SYSCTL
+struct ctl_path nf_log_sysctl_path[] = {
+        { .procname = "net", .ctl_name = CTL_NET, },
+        { .procname = "netfilter", .ctl_name = NET_NETFILTER, },
+        { .procname = "nf_log", .ctl_name = CTL_UNNUMBERED, },
+        { }
+};
+
+static char nf_log_sysctl_fnames[NFPROTO_NUMPROTO-NFPROTO_UNSPEC][3];
+static struct ctl_table nf_log_sysctl_table[NFPROTO_NUMPROTO+1];
+static struct ctl_table_header *nf_log_dir_header;
+
+static int nf_log_proc_dostring(ctl_table *table, int write, struct file *filp,
+                         void *buffer, size_t *lenp, loff_t *ppos)
+{
+        const struct nf_logger *logger;
+        int r = 0;
+        int tindex = (unsigned long)table->extra1;
+
+        if (write) {
+                if (!strcmp(buffer, "NONE")) {
+                        nf_log_unbind_pf(tindex);
+                        return 0;
+                }
+                mutex_lock(&nf_log_mutex);
+                logger = __find_logger(tindex, buffer);
+                if (logger == NULL) {
+                        mutex_unlock(&nf_log_mutex);
+                        return -ENOENT;
+                }
+                rcu_assign_pointer(nf_loggers[tindex], logger);
+                mutex_unlock(&nf_log_mutex);
+        } else {
+                rcu_read_lock();
+                logger = rcu_dereference(nf_loggers[tindex]);
+                if (!logger)
+                        table->data = "NONE";
+                else
+                        table->data = logger->name;
+                r = proc_dostring(table, write, filp, buffer, lenp, ppos);
+                rcu_read_unlock();
+        }
+
+        return r;
+}
+
+static __init int netfilter_log_sysctl_init(void)
+{
+        int i;
+
+        for (i = NFPROTO_UNSPEC; i < NFPROTO_NUMPROTO; i++) {
+                snprintf(nf_log_sysctl_fnames[i-NFPROTO_UNSPEC], 3, "%d", i);
+                nf_log_sysctl_table[i].ctl_name = CTL_UNNUMBERED;
+                nf_log_sysctl_table[i].procname =
+                        nf_log_sysctl_fnames[i-NFPROTO_UNSPEC];
+                nf_log_sysctl_table[i].data = NULL;
+                nf_log_sysctl_table[i].maxlen =
+                        NFLOGGER_NAME_LEN * sizeof(char);
+                nf_log_sysctl_table[i].mode = 0644;
+                nf_log_sysctl_table[i].proc_handler = nf_log_proc_dostring;
+                nf_log_sysctl_table[i].extra1 = (void *)(unsigned long) i;
+        }
+
+        nf_log_dir_header = register_sysctl_paths(nf_log_sysctl_path,
+                                       nf_log_sysctl_table);
+        if (!nf_log_dir_header)
+                return -ENOMEM;
+
+        return 0;
+}
+#else
+static __init int netfilter_log_sysctl_init(void)
+{
+        return 0;
+}
+#endif /* CONFIG_SYSCTL */
 
 int __init netfilter_log_init(void)
 {
+        int i, r;
 #ifdef CONFIG_PROC_FS
         if (!proc_create("nf_log", S_IRUGO,
                          proc_net_netfilter, &nflog_file_ops))
                 return -1;
 #endif
+
+        /* Errors will trigger panic, unroll on error is unnecessary. */
+        r = netfilter_log_sysctl_init();
+        if (r < 0)
+                return r;
+
+        for (i = NFPROTO_UNSPEC; i < NFPROTO_NUMPROTO; i++)
+                INIT_LIST_HEAD(&(nf_loggers_l[i]));
+
         return 0;
 }
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 9c0ba17a1ddb..2785d66a7e38 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -113,6 +113,12 @@ int nfnetlink_send(struct sk_buff *skb, u32 pid, unsigned group, int echo)
 }
 EXPORT_SYMBOL_GPL(nfnetlink_send);
 
+void nfnetlink_set_err(u32 pid, u32 group, int error)
+{
+        netlink_set_err(nfnl, pid, group, error);
+}
+EXPORT_SYMBOL_GPL(nfnetlink_set_err);
+
 int nfnetlink_unicast(struct sk_buff *skb, u_int32_t pid, int flags)
 {
         return netlink_unicast(nfnl, skb, pid, flags);
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index c712e9fc6bba..fd326ac27ec8 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -693,7 +693,7 @@ nfulnl_recv_unsupp(struct sock *ctnl, struct sk_buff *skb,
         return -ENOTSUPP;
 }
 
-static const struct nf_logger nfulnl_logger = {
+static struct nf_logger nfulnl_logger __read_mostly = {
         .name   = "nfnetlink_log",
         .logfn  = &nfulnl_log_packet,
         .me     = THIS_MODULE,
@@ -725,9 +725,9 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
                 /* Commands without queue context */
                 switch (cmd->command) {
                 case NFULNL_CFG_CMD_PF_BIND:
-                        return nf_log_register(pf, &nfulnl_logger);
+                        return nf_log_bind_pf(pf, &nfulnl_logger);
                 case NFULNL_CFG_CMD_PF_UNBIND:
-                        nf_log_unregister_pf(pf);
+                        nf_log_unbind_pf(pf);
                         return 0;
                 }
         }
@@ -952,17 +952,25 @@ static int __init nfnetlink_log_init(void)
                 goto cleanup_netlink_notifier;
         }
 
+        status = nf_log_register(NFPROTO_UNSPEC, &nfulnl_logger);
+        if (status < 0) {
+                printk(KERN_ERR "log: failed to register logger\n");
+                goto cleanup_subsys;
+        }
+
 #ifdef CONFIG_PROC_FS
         if (!proc_create("nfnetlink_log", 0440,
                          proc_net_netfilter, &nful_file_ops))
-                goto cleanup_subsys;
+                goto cleanup_logger;
 #endif
         return status;
 
 #ifdef CONFIG_PROC_FS
+cleanup_logger:
+        nf_log_unregister(&nfulnl_logger);
+#endif
 cleanup_subsys:
         nfnetlink_subsys_unregister(&nfulnl_subsys);
-#endif
 cleanup_netlink_notifier:
         netlink_unregister_notifier(&nfulnl_rtnl_notifier);
         return status;
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 5baccfa5a0de..509a95621f9f 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -625,6 +625,20 @@ void xt_free_table_info(struct xt_table_info *info)
 }
 EXPORT_SYMBOL(xt_free_table_info);
 
+void xt_table_entry_swap_rcu(struct xt_table_info *oldinfo,
+                             struct xt_table_info *newinfo)
+{
+        unsigned int cpu;
+
+        for_each_possible_cpu(cpu) {
+                void *p = oldinfo->entries[cpu];
+                rcu_assign_pointer(oldinfo->entries[cpu], newinfo->entries[cpu]);
+                newinfo->entries[cpu] = p;
+        }
+
+}
+EXPORT_SYMBOL_GPL(xt_table_entry_swap_rcu);
+
 /* Find table by name, grabs mutex & ref.  Returns ERR_PTR() on error. */
 struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af,
                                     const char *name)
@@ -671,21 +685,22 @@ xt_replace_table(struct xt_table *table,
         struct xt_table_info *oldinfo, *private;
 
         /* Do the substitution. */
-        write_lock_bh(&table->lock);
+        mutex_lock(&table->lock);
         private = table->private;
         /* Check inside lock: is the old number correct? */
         if (num_counters != private->number) {
                 duprintf("num_counters != table->private->number (%u/%u)\n",
                          num_counters, private->number);
-                write_unlock_bh(&table->lock);
+                mutex_unlock(&table->lock);
                 *error = -EAGAIN;
                 return NULL;
         }
         oldinfo = private;
-        table->private = newinfo;
+        rcu_assign_pointer(table->private, newinfo);
         newinfo->initial_entries = oldinfo->initial_entries;
-        write_unlock_bh(&table->lock);
+        mutex_unlock(&table->lock);
 
+        synchronize_net();
         return oldinfo;
 }
 EXPORT_SYMBOL_GPL(xt_replace_table);
@@ -719,7 +734,8 @@ struct xt_table *xt_register_table(struct net *net, struct xt_table *table,
 
         /* Simplifies replace_table code. */
         table->private = bootstrap;
-        rwlock_init(&table->lock);
+        mutex_init(&table->lock);
+
         if (!xt_replace_table(table, 0, newinfo, &ret))
                 goto unlock;
 
diff --git a/net/netfilter/xt_HL.c b/net/netfilter/xt_HL.c
new file mode 100644
index 000000000000..10e789e2d12a
--- /dev/null
+++ b/net/netfilter/xt_HL.c
@@ -0,0 +1,171 @@
+/*
+ * TTL modification target for IP tables
+ * (C) 2000,2005 by Harald Welte <laforge@netfilter.org>
+ *
+ * Hop Limit modification target for ip6tables
+ * Maciej Soltysiak <solt@dns.toxicfilms.tv>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <net/checksum.h>
+
+#include <linux/netfilter/x_tables.h>
+#include <linux/netfilter_ipv4/ipt_TTL.h>
+#include <linux/netfilter_ipv6/ip6t_HL.h>
+
+MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
+MODULE_AUTHOR("Maciej Soltysiak <solt@dns.toxicfilms.tv>");
+MODULE_DESCRIPTION("Xtables: Hoplimit/TTL Limit field modification target");
+MODULE_LICENSE("GPL");
+
+static unsigned int
+ttl_tg(struct sk_buff *skb, const struct xt_target_param *par)
+{
+        struct iphdr *iph;
+        const struct ipt_TTL_info *info = par->targinfo;
+        int new_ttl;
+
+        if (!skb_make_writable(skb, skb->len))
+                return NF_DROP;
+
+        iph = ip_hdr(skb);
+
+        switch (info->mode) {
+                case IPT_TTL_SET:
+                        new_ttl = info->ttl;
+                        break;
+                case IPT_TTL_INC:
+                        new_ttl = iph->ttl + info->ttl;
+                        if (new_ttl > 255)
+                                new_ttl = 255;
+                        break;
+                case IPT_TTL_DEC:
+                        new_ttl = iph->ttl - info->ttl;
+                        if (new_ttl < 0)
+                                new_ttl = 0;
+                        break;
+                default:
+                        new_ttl = iph->ttl;
+                        break;
+        }
+
+        if (new_ttl != iph->ttl) {
+                csum_replace2(&iph->check, htons(iph->ttl << 8),
+                                           htons(new_ttl << 8));
+                iph->ttl = new_ttl;
+        }
+
+        return XT_CONTINUE;
+}
+
+static unsigned int
+hl_tg6(struct sk_buff *skb, const struct xt_target_param *par)
+{
+        struct ipv6hdr *ip6h;
+        const struct ip6t_HL_info *info = par->targinfo;
+        int new_hl;
+
+        if (!skb_make_writable(skb, skb->len))
+                return NF_DROP;
+
+        ip6h = ipv6_hdr(skb);
+
+        switch (info->mode) {
+                case IP6T_HL_SET:
+                        new_hl = info->hop_limit;
+                        break;
+                case IP6T_HL_INC:
+                        new_hl = ip6h->hop_limit + info->hop_limit;
+                        if (new_hl > 255)
+                                new_hl = 255;
+                        break;
+                case IP6T_HL_DEC:
+                        new_hl = ip6h->hop_limit - info->hop_limit;
+                        if (new_hl < 0)
+                                new_hl = 0;
+                        break;
+                default:
+                        new_hl = ip6h->hop_limit;
+                        break;
+        }
+
+        ip6h->hop_limit = new_hl;
+
+        return XT_CONTINUE;
+}
+
+static bool ttl_tg_check(const struct xt_tgchk_param *par)
+{
+        const struct ipt_TTL_info *info = par->targinfo;
+
+        if (info->mode > IPT_TTL_MAXMODE) {
+                printk(KERN_WARNING "ipt_TTL: invalid or unknown Mode %u\n",
+                        info->mode);
+                return false;
+        }
+        if (info->mode != IPT_TTL_SET && info->ttl == 0)
+                return false;
+        return true;
+}
+
+static bool hl_tg6_check(const struct xt_tgchk_param *par)
+{
+        const struct ip6t_HL_info *info = par->targinfo;
+
+        if (info->mode > IP6T_HL_MAXMODE) {
+                printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n",
+                        info->mode);
+                return false;
+        }
+        if (info->mode != IP6T_HL_SET && info->hop_limit == 0) {
+                printk(KERN_WARNING "ip6t_HL: increment/decrement doesn't "
+                        "make sense with value 0\n");
+                return false;
+        }
+        return true;
+}
+
+static struct xt_target hl_tg_reg[] __read_mostly = {
+        {
+                .name       = "TTL",
+                .revision   = 0,
+                .family     = NFPROTO_IPV4,
+                .target     = ttl_tg,
+                .targetsize = sizeof(struct ipt_TTL_info),
+                .table      = "mangle",
+                .checkentry = ttl_tg_check,
+                .me         = THIS_MODULE,
+        },
+        {
+                .name       = "HL",
+                .revision   = 0,
+                .family     = NFPROTO_IPV6,
+                .target     = hl_tg6,
+                .targetsize = sizeof(struct ip6t_HL_info),
+                .table      = "mangle",
+                .checkentry = hl_tg6_check,
+                .me         = THIS_MODULE,
+        },
+};
+
+static int __init hl_tg_init(void)
+{
+        return xt_register_targets(hl_tg_reg, ARRAY_SIZE(hl_tg_reg));
+}
+
+static void __exit hl_tg_exit(void)
+{
+        xt_unregister_targets(hl_tg_reg, ARRAY_SIZE(hl_tg_reg));
+}
+
+module_init(hl_tg_init);
+module_exit(hl_tg_exit);
+MODULE_ALIAS("ipt_TTL");
+MODULE_ALIAS("ip6t_HL");
diff --git a/net/netfilter/xt_LED.c b/net/netfilter/xt_LED.c
new file mode 100644
index 000000000000..8ff7843bb921
--- /dev/null
+++ b/net/netfilter/xt_LED.c
@@ -0,0 +1,161 @@
+/*
+ * xt_LED.c - netfilter target to make LEDs blink upon packet matches
+ *
+ * Copyright (C) 2008 Adam Nielsen <a.nielsen@shikadi.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/netfilter/x_tables.h>
+#include <linux/leds.h>
+#include <linux/mutex.h>
+
+#include <linux/netfilter/xt_LED.h>
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Adam Nielsen <a.nielsen@shikadi.net>");
+MODULE_DESCRIPTION("Xtables: trigger LED devices on packet match");
+
+/*
+ * This is declared in here (the kernel module) only, to avoid having these
+ * dependencies in userspace code.  This is what xt_led_info.internal_data
+ * points to.
+ */
+struct xt_led_info_internal {
+        struct led_trigger netfilter_led_trigger;
+        struct timer_list timer;
+};
+
+static unsigned int
+led_tg(struct sk_buff *skb, const struct xt_target_param *par)
+{
+        const struct xt_led_info *ledinfo = par->targinfo;
+        struct xt_led_info_internal *ledinternal = ledinfo->internal_data;
+
+        /*
+         * If "always blink" is enabled, and there's still some time until the
+         * LED will switch off, briefly switch it off now.
+         */
+        if ((ledinfo->delay > 0) && ledinfo->always_blink &&
+            timer_pending(&ledinternal->timer))
+                led_trigger_event(&ledinternal->netfilter_led_trigger,LED_OFF);
+
+        led_trigger_event(&ledinternal->netfilter_led_trigger, LED_FULL);
+
+        /* If there's a positive delay, start/update the timer */
+        if (ledinfo->delay > 0) {
+                mod_timer(&ledinternal->timer,
+                          jiffies + msecs_to_jiffies(ledinfo->delay));
+
+        /* Otherwise if there was no delay given, blink as fast as possible */
+        } else if (ledinfo->delay == 0) {
+                led_trigger_event(&ledinternal->netfilter_led_trigger, LED_OFF);
+        }
+
+        /* else the delay is negative, which means switch on and stay on */
+
+        return XT_CONTINUE;
+}
+
+static void led_timeout_callback(unsigned long data)
+{
+        struct xt_led_info *ledinfo = (struct xt_led_info *)data;
+        struct xt_led_info_internal *ledinternal = ledinfo->internal_data;
+
+        led_trigger_event(&ledinternal->netfilter_led_trigger, LED_OFF);
+}
+
+static bool led_tg_check(const struct xt_tgchk_param *par)
+{
+        struct xt_led_info *ledinfo = par->targinfo;
+        struct xt_led_info_internal *ledinternal;
+        int err;
+
+        if (ledinfo->id[0] == '\0') {
+                printk(KERN_ERR KBUILD_MODNAME ": No 'id' parameter given.\n");
+                return false;
+        }
+
+        ledinternal = kzalloc(sizeof(struct xt_led_info_internal), GFP_KERNEL);
+        if (!ledinternal) {
+                printk(KERN_CRIT KBUILD_MODNAME ": out of memory\n");
+                return false;
+        }
+
+        ledinternal->netfilter_led_trigger.name = ledinfo->id;
+
+        err = led_trigger_register(&ledinternal->netfilter_led_trigger);
+        if (err) {
+                printk(KERN_CRIT KBUILD_MODNAME
+                        ": led_trigger_register() failed\n");
+                if (err == -EEXIST)
+                        printk(KERN_ERR KBUILD_MODNAME
+                                ": Trigger name is already in use.\n");
+                goto exit_alloc;
+        }
+
+        /* See if we need to set up a timer */
+        if (ledinfo->delay > 0)
+                setup_timer(&ledinternal->timer, led_timeout_callback,
+                            (unsigned long)ledinfo);
+
+        ledinfo->internal_data = ledinternal;
+
+        return true;
+
+exit_alloc:
+        kfree(ledinternal);
+
+        return false;
+}
+
+static void led_tg_destroy(const struct xt_tgdtor_param *par)
+{
+        const struct xt_led_info *ledinfo = par->targinfo;
+        struct xt_led_info_internal *ledinternal = ledinfo->internal_data;
+
+        if (ledinfo->delay > 0)
+                del_timer_sync(&ledinternal->timer);
+
+        led_trigger_unregister(&ledinternal->netfilter_led_trigger);
+        kfree(ledinternal);
+}
+
+static struct xt_target led_tg_reg __read_mostly = {
+        .name           = "LED",
+        .revision       = 0,
+        .family         = NFPROTO_UNSPEC,
+        .target         = led_tg,
+        .targetsize     = XT_ALIGN(sizeof(struct xt_led_info)),
+        .checkentry     = led_tg_check,
+        .destroy        = led_tg_destroy,
+        .me             = THIS_MODULE,
+};
+
+static int __init led_tg_init(void)
+{
+        return xt_register_target(&led_tg_reg);
+}
+
+static void __exit led_tg_exit(void)
+{
+        xt_unregister_target(&led_tg_reg);
+}
+
+module_init(led_tg_init);
+module_exit(led_tg_exit);
diff --git a/net/netfilter/xt_cluster.c b/net/netfilter/xt_cluster.c
new file mode 100644
index 000000000000..ad5bd890e4e8
--- /dev/null
+++ b/net/netfilter/xt_cluster.c
@@ -0,0 +1,164 @@
+/*
+ * (C) 2008-2009 Pablo Neira Ayuso <pablo@netfilter.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/jhash.h>
+#include <linux/ip.h>
+#include <net/ipv6.h>
+
+#include <linux/netfilter/x_tables.h>
+#include <net/netfilter/nf_conntrack.h>
+#include <linux/netfilter/xt_cluster.h>
+
+static inline u_int32_t nf_ct_orig_ipv4_src(const struct nf_conn *ct)
+{
+        return ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip;
+}
+
+static inline const void *nf_ct_orig_ipv6_src(const struct nf_conn *ct)
+{
+        return ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip6;
+}
+
+static inline u_int32_t
+xt_cluster_hash_ipv4(u_int32_t ip, const struct xt_cluster_match_info *info)
+{
+        return jhash_1word(ip, info->hash_seed);
+}
+
+static inline u_int32_t
+xt_cluster_hash_ipv6(const void *ip, const struct xt_cluster_match_info *info)
+{
+        return jhash2(ip, NF_CT_TUPLE_L3SIZE / sizeof(__u32), info->hash_seed);
+}
+
+static inline u_int32_t
+xt_cluster_hash(const struct nf_conn *ct,
+                const struct xt_cluster_match_info *info)
+{
+        u_int32_t hash = 0;
+
+        switch(nf_ct_l3num(ct)) {
+        case AF_INET:
+                hash = xt_cluster_hash_ipv4(nf_ct_orig_ipv4_src(ct), info);
+                break;
+        case AF_INET6:
+                hash = xt_cluster_hash_ipv6(nf_ct_orig_ipv6_src(ct), info);
+                break;
+        default:
+                WARN_ON(1);
+                break;
+        }
+        return (((u64)hash * info->total_nodes) >> 32);
+}
+
+static inline bool
+xt_cluster_is_multicast_addr(const struct sk_buff *skb, u_int8_t family)
+{
+        bool is_multicast = false;
+
+        switch(family) {
+        case NFPROTO_IPV4:
+                is_multicast = ipv4_is_multicast(ip_hdr(skb)->daddr);
+                break;
+        case NFPROTO_IPV6:
+                is_multicast = ipv6_addr_type(&ipv6_hdr(skb)->daddr) &
+                                                IPV6_ADDR_MULTICAST;
+                break;
+        default:
+                WARN_ON(1);
+                break;
+        }
+        return is_multicast;
+}
+
+static bool
+xt_cluster_mt(const struct sk_buff *skb, const struct xt_match_param *par)
+{
+        struct sk_buff *pskb = (struct sk_buff *)skb;
+        const struct xt_cluster_match_info *info = par->matchinfo;
+        const struct nf_conn *ct;
+        enum ip_conntrack_info ctinfo;
+        unsigned long hash;
+
+        /* This match assumes that all nodes see the same packets. This can be
+         * achieved if the switch that connects the cluster nodes support some
+         * sort of 'port mirroring'. However, if your switch does not support
+         * this, your cluster nodes can reply ARP request using a multicast MAC
+         * address. Thus, your switch will flood the same packets to the
+         * cluster nodes with the same multicast MAC address. Using a multicast
+         * link address is a RFC 1812 (section 3.3.2) violation, but this works
+         * fine in practise.
+         *
+         * Unfortunately, if you use the multicast MAC address, the link layer
+         * sets skbuff's pkt_type to PACKET_MULTICAST, which is not accepted
+         * by TCP and others for packets coming to this node. For that reason,
+         * this match mangles skbuff's pkt_type if it detects a packet
+         * addressed to a unicast address but using PACKET_MULTICAST. Yes, I
+         * know, matches should not alter packets, but we are doing this here
+         * because we would need to add a PKTTYPE target for this sole purpose.
+         */
+        if (!xt_cluster_is_multicast_addr(skb, par->family) &&
+            skb->pkt_type == PACKET_MULTICAST) {
+                pskb->pkt_type = PACKET_HOST;
+        }
+
+        ct = nf_ct_get(skb, &ctinfo);
+        if (ct == NULL)
+                return false;
+
+        if (ct == &nf_conntrack_untracked)
+                return false;
+
+        if (ct->master)
+                hash = xt_cluster_hash(ct->master, info);
+        else
+                hash = xt_cluster_hash(ct, info);
+
+        return !!((1 << hash) & info->node_mask) ^
+               !!(info->flags & XT_CLUSTER_F_INV);
+}
+
+static bool xt_cluster_mt_checkentry(const struct xt_mtchk_param *par)
+{
+        struct xt_cluster_match_info *info = par->matchinfo;
+
+        if (info->node_mask >= (1 << info->total_nodes)) {
+                printk(KERN_ERR "xt_cluster: this node mask cannot be "
+                                "higher than the total number of nodes\n");
+                return false;
+        }
+        return true;
+}
+
+static struct xt_match xt_cluster_match __read_mostly = {
+        .name           = "cluster",
+        .family         = NFPROTO_UNSPEC,
+        .match          = xt_cluster_mt,
+        .checkentry     = xt_cluster_mt_checkentry,
+        .matchsize      = sizeof(struct xt_cluster_match_info),
+        .me             = THIS_MODULE,
+};
+
+static int __init xt_cluster_mt_init(void)
+{
+        return xt_register_match(&xt_cluster_match);
+}
+
+static void __exit xt_cluster_mt_fini(void)
+{
+        xt_unregister_match(&xt_cluster_match);
+}
+
+MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Xtables: hash-based cluster match");
+MODULE_ALIAS("ipt_cluster");
+MODULE_ALIAS("ip6t_cluster");
+module_init(xt_cluster_mt_init);
+module_exit(xt_cluster_mt_fini);
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index f97fded024c4..a5b5369c30f9 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -149,7 +149,7 @@ dsthash_alloc_init(struct xt_hashlimit_htable *ht,
         /* initialize hash with random val at the time we allocate
          * the first hashtable entry */
         if (!ht->rnd_initialized) {
-                get_random_bytes(&ht->rnd, 4);
+                get_random_bytes(&ht->rnd, sizeof(ht->rnd));
                 ht->rnd_initialized = 1;
         }
 
@@ -565,8 +565,7 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo,
 static bool
 hashlimit_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par)
 {
-        const struct xt_hashlimit_info *r =
-                ((const struct xt_hashlimit_info *)par->matchinfo)->u.master;
+        const struct xt_hashlimit_info *r = par->matchinfo;
         struct xt_hashlimit_htable *hinfo = r->hinfo;
         unsigned long now = jiffies;
         struct dsthash_ent *dh;
@@ -702,8 +701,6 @@ static bool hashlimit_mt_check_v0(const struct xt_mtchk_param *par)
         }
         mutex_unlock(&hlimit_mutex);
 
-        /* Ugly hack: For SMP, we only want to use one set */
-        r->u.master = r;
         return true;
 }
 
diff --git a/net/netfilter/xt_hl.c b/net/netfilter/xt_hl.c
new file mode 100644
index 000000000000..7726154c87b2
--- /dev/null
+++ b/net/netfilter/xt_hl.c
@@ -0,0 +1,108 @@
+/*
+ * IP tables module for matching the value of the TTL
+ * (C) 2000,2001 by Harald Welte <laforge@netfilter.org>
+ *
+ * Hop Limit matching module
+ * (C) 2001-2002 Maciej Soltysiak <solt@dns.toxicfilms.tv>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/module.h>
+#include <linux/skbuff.h>
+
+#include <linux/netfilter/x_tables.h>
+#include <linux/netfilter_ipv4/ipt_ttl.h>
+#include <linux/netfilter_ipv6/ip6t_hl.h>
+
+MODULE_AUTHOR("Maciej Soltysiak <solt@dns.toxicfilms.tv>");
+MODULE_DESCRIPTION("Xtables: Hoplimit/TTL field match");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("ipt_ttl");
+MODULE_ALIAS("ip6t_hl");
+
+static bool ttl_mt(const struct sk_buff *skb, const struct xt_match_param *par)
+{
+        const struct ipt_ttl_info *info = par->matchinfo;
+        const u8 ttl = ip_hdr(skb)->ttl;
+
+        switch (info->mode) {
+                case IPT_TTL_EQ:
+                        return ttl == info->ttl;
+                case IPT_TTL_NE:
+                        return ttl != info->ttl;
+                case IPT_TTL_LT:
+                        return ttl < info->ttl;
+                case IPT_TTL_GT:
+                        return ttl > info->ttl;
+                default:
+                        printk(KERN_WARNING "ipt_ttl: unknown mode %d\n",
+                                info->mode);
+                        return false;
+        }
+
+        return false;
+}
+
+static bool hl_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
+{
+        const struct ip6t_hl_info *info = par->matchinfo;
+        const struct ipv6hdr *ip6h = ipv6_hdr(skb);
+
+        switch (info->mode) {
+                case IP6T_HL_EQ:
+                        return ip6h->hop_limit == info->hop_limit;
+                        break;
+                case IP6T_HL_NE:
+                        return ip6h->hop_limit != info->hop_limit;
+                        break;
+                case IP6T_HL_LT:
+                        return ip6h->hop_limit < info->hop_limit;
+                        break;
+                case IP6T_HL_GT:
+                        return ip6h->hop_limit > info->hop_limit;
+                        break;
+                default:
+                        printk(KERN_WARNING "ip6t_hl: unknown mode %d\n",
+                                info->mode);
+                        return false;
+        }
+
+        return false;
+}
+
+static struct xt_match hl_mt_reg[] __read_mostly = {
+        {
+                .name       = "ttl",
+                .revision   = 0,
+                .family     = NFPROTO_IPV4,
+                .match      = ttl_mt,
+                .matchsize  = sizeof(struct ipt_ttl_info),
+                .me         = THIS_MODULE,
+        },
+        {
+                .name       = "hl",
+                .revision   = 0,
+                .family     = NFPROTO_IPV6,
+                .match      = hl_mt6,
+                .matchsize  = sizeof(struct ip6t_hl_info),
+                .me         = THIS_MODULE,
+        },
+};
+
+static int __init hl_mt_init(void)
+{
+        return xt_register_matches(hl_mt_reg, ARRAY_SIZE(hl_mt_reg));
+}
+
+static void __exit hl_mt_exit(void)
+{
+        xt_unregister_matches(hl_mt_reg, ARRAY_SIZE(hl_mt_reg));
+}
+
+module_init(hl_mt_init);
+module_exit(hl_mt_exit);
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index c908d69a5595..2e8089ecd0af 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -14,6 +14,11 @@
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter/xt_limit.h>
 
+struct xt_limit_priv {
+        unsigned long prev;
+        uint32_t credit;
+};
+
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Herve Eychenne <rv@wallfire.org>");
 MODULE_DESCRIPTION("Xtables: rate-limit match");
@@ -60,18 +65,18 @@ static DEFINE_SPINLOCK(limit_lock);
 static bool
 limit_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 {
-        struct xt_rateinfo *r =
-                ((const struct xt_rateinfo *)par->matchinfo)->master;
+        const struct xt_rateinfo *r = par->matchinfo;
+        struct xt_limit_priv *priv = r->master;
         unsigned long now = jiffies;
 
         spin_lock_bh(&limit_lock);
-        r->credit += (now - xchg(&r->prev, now)) * CREDITS_PER_JIFFY;
-        if (r->credit > r->credit_cap)
-                r->credit = r->credit_cap;
+        priv->credit += (now - xchg(&priv->prev, now)) * CREDITS_PER_JIFFY;
+        if (priv->credit > r->credit_cap)
+                priv->credit = r->credit_cap;
 
-        if (r->credit >= r->cost) {
+        if (priv->credit >= r->cost) {
                 /* We're not limited. */
-                r->credit -= r->cost;
+                priv->credit -= r->cost;
                 spin_unlock_bh(&limit_lock);
                 return true;
         }
@@ -95,6 +100,7 @@ user2credits(u_int32_t user)
 static bool limit_mt_check(const struct xt_mtchk_param *par)
 {
         struct xt_rateinfo *r = par->matchinfo;
+        struct xt_limit_priv *priv;
 
         /* Check for overflow. */
         if (r->burst == 0
@@ -104,19 +110,30 @@ static bool limit_mt_check(const struct xt_mtchk_param *par)
                 return false;
         }
 
-        /* For SMP, we only want to use one set of counters. */
-        r->master = r;
+        priv = kmalloc(sizeof(*priv), GFP_KERNEL);
+        if (priv == NULL)
+                return -ENOMEM;
+
+        /* For SMP, we only want to use one set of state. */
+        r->master = priv;
         if (r->cost == 0) {
                 /* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
                    128. */
-                r->prev = jiffies;
-                r->credit = user2credits(r->avg * r->burst);     /* Credits full. */
+                priv->prev = jiffies;
+                priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
                 r->credit_cap = user2credits(r->avg * r->burst); /* Credits full. */
                 r->cost = user2credits(r->avg);
         }
         return true;
 }
 
+static void limit_mt_destroy(const struct xt_mtdtor_param *par)
+{
+        const struct xt_rateinfo *info = par->matchinfo;
+
+        kfree(info->master);
+}
+
 #ifdef CONFIG_COMPAT
 struct compat_xt_rateinfo {
         u_int32_t avg;
@@ -167,6 +184,7 @@ static struct xt_match limit_mt_reg __read_mostly = {
         .family           = NFPROTO_UNSPEC,
         .match            = limit_mt,
         .checkentry       = limit_mt_check,
+        .destroy          = limit_mt_destroy,
         .matchsize        = sizeof(struct xt_rateinfo),
 #ifdef CONFIG_COMPAT
         .compatsize       = sizeof(struct compat_xt_rateinfo),
diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c
index 1bcdfc12cf59..44a234ef4439 100644
--- a/net/netfilter/xt_physdev.c
+++ b/net/netfilter/xt_physdev.c
@@ -20,13 +20,30 @@ MODULE_DESCRIPTION("Xtables: Bridge physical device match");
 MODULE_ALIAS("ipt_physdev");
 MODULE_ALIAS("ip6t_physdev");
 
+static unsigned long ifname_compare(const char *_a, const char *_b, const char *_mask)
+{
+        const unsigned long *a = (const unsigned long *)_a;
+        const unsigned long *b = (const unsigned long *)_b;
+        const unsigned long *mask = (const unsigned long *)_mask;
+        unsigned long ret;
+
+        ret = (a[0] ^ b[0]) & mask[0];
+        if (IFNAMSIZ > sizeof(unsigned long))
+                ret |= (a[1] ^ b[1]) & mask[1];
+        if (IFNAMSIZ > 2 * sizeof(unsigned long))
+                ret |= (a[2] ^ b[2]) & mask[2];
+        if (IFNAMSIZ > 3 * sizeof(unsigned long))
+                ret |= (a[3] ^ b[3]) & mask[3];
+        BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long));
+        return ret;
+}
+
 static bool
 physdev_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 {
-        int i;
-        static const char nulldevname[IFNAMSIZ];
+        static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
         const struct xt_physdev_info *info = par->matchinfo;
-        bool ret;
+        unsigned long ret;
         const char *indev, *outdev;
         const struct nf_bridge_info *nf_bridge;
 
@@ -68,11 +85,7 @@ physdev_mt(const struct sk_buff *skb, const struct xt_match_param *par)
         if (!(info->bitmask & XT_PHYSDEV_OP_IN))
                 goto match_outdev;
         indev = nf_bridge->physindev ? nf_bridge->physindev->name : nulldevname;
-        for (i = 0, ret = false; i < IFNAMSIZ/sizeof(unsigned int); i++) {
-                ret |= (((const unsigned int *)indev)[i]
-                        ^ ((const unsigned int *)info->physindev)[i])
-                        & ((const unsigned int *)info->in_mask)[i];
-        }
+        ret = ifname_compare(indev, info->physindev, info->in_mask);
 
         if (!ret ^ !(info->invert & XT_PHYSDEV_OP_IN))
                 return false;
@@ -82,13 +95,9 @@ match_outdev:
                 return true;
         outdev = nf_bridge->physoutdev ?
                  nf_bridge->physoutdev->name : nulldevname;
-        for (i = 0, ret = false; i < IFNAMSIZ/sizeof(unsigned int); i++) {
-                ret |= (((const unsigned int *)outdev)[i]
-                        ^ ((const unsigned int *)info->physoutdev)[i])
-                        & ((const unsigned int *)info->out_mask)[i];
-        }
+        ret = ifname_compare(outdev, info->physoutdev, info->out_mask);
 
-        return ret ^ !(info->invert & XT_PHYSDEV_OP_OUT);
+        return (!!ret ^ !(info->invert & XT_PHYSDEV_OP_OUT));
 }
 
 static bool physdev_mt_check(const struct xt_mtchk_param *par)
diff --git a/net/netfilter/xt_quota.c b/net/netfilter/xt_quota.c
index c84fce5e0f3e..01dd07b764ec 100644
--- a/net/netfilter/xt_quota.c
+++ b/net/netfilter/xt_quota.c
@@ -9,6 +9,10 @@
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter/xt_quota.h>
 
+struct xt_quota_priv {
+        uint64_t quota;
+};
+
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Sam Johnston <samj@samj.net>");
 MODULE_DESCRIPTION("Xtables: countdown quota match");
@@ -20,18 +24,20 @@ static DEFINE_SPINLOCK(quota_lock);
 static bool
 quota_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 {
-        struct xt_quota_info *q =
-                ((const struct xt_quota_info *)par->matchinfo)->master;
+        struct xt_quota_info *q = (void *)par->matchinfo;
+        struct xt_quota_priv *priv = q->master;
         bool ret = q->flags & XT_QUOTA_INVERT;
 
         spin_lock_bh(&quota_lock);
-        if (q->quota >= skb->len) {
-                q->quota -= skb->len;
+        if (priv->quota >= skb->len) {
+                priv->quota -= skb->len;
                 ret = !ret;
         } else {
                 /* we do not allow even small packets from now on */
-                q->quota = 0;
+                priv->quota = 0;
         }
+        /* Copy quota back to matchinfo so that iptables can display it */
+        q->quota = priv->quota;
         spin_unlock_bh(&quota_lock);
 
         return ret;
@@ -43,17 +49,28 @@ static bool quota_mt_check(const struct xt_mtchk_param *par)
 
         if (q->flags & ~XT_QUOTA_MASK)
                 return false;
-        /* For SMP, we only want to use one set of counters. */
-        q->master = q;
+
+        q->master = kmalloc(sizeof(*q->master), GFP_KERNEL);
+        if (q->master == NULL)
+                return -ENOMEM;
+
         return true;
 }
 
+static void quota_mt_destroy(const struct xt_mtdtor_param *par)
+{
+        const struct xt_quota_info *q = par->matchinfo;
+
+        kfree(q->master);
+}
+
 static struct xt_match quota_mt_reg __read_mostly = {
         .name       = "quota",
         .revision   = 0,
         .family     = NFPROTO_UNSPEC,
         .match      = quota_mt,
         .checkentry = quota_mt_check,
+        .destroy    = quota_mt_destroy,
         .matchsize  = sizeof(struct xt_quota_info),
         .me         = THIS_MODULE,
 };
diff --git a/net/netfilter/xt_statistic.c b/net/netfilter/xt_statistic.c
index 0d75141139d5..d8c0f8f1a78e 100644
--- a/net/netfilter/xt_statistic.c
+++ b/net/netfilter/xt_statistic.c
@@ -16,6 +16,10 @@
 #include <linux/netfilter/xt_statistic.h>
 #include <linux/netfilter/x_tables.h>
 
+struct xt_statistic_priv {
+        uint32_t count;
+};
+
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
 MODULE_DESCRIPTION("Xtables: statistics-based matching (\"Nth\", random)");
@@ -27,7 +31,7 @@ static DEFINE_SPINLOCK(nth_lock);
 static bool
 statistic_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 {
-        struct xt_statistic_info *info = (void *)par->matchinfo;
+        const struct xt_statistic_info *info = par->matchinfo;
         bool ret = info->flags & XT_STATISTIC_INVERT;
 
         switch (info->mode) {
@@ -36,10 +40,9 @@ statistic_mt(const struct sk_buff *skb, const struct xt_match_param *par)
                         ret = !ret;
                 break;
         case XT_STATISTIC_MODE_NTH:
-                info = info->master;
                 spin_lock_bh(&nth_lock);
-                if (info->u.nth.count++ == info->u.nth.every) {
-                        info->u.nth.count = 0;
+                if (info->master->count++ == info->u.nth.every) {
+                        info->master->count = 0;
                         ret = !ret;
                 }
                 spin_unlock_bh(&nth_lock);
@@ -56,16 +59,31 @@ static bool statistic_mt_check(const struct xt_mtchk_param *par)
         if (info->mode > XT_STATISTIC_MODE_MAX ||
             info->flags & ~XT_STATISTIC_MASK)
                 return false;
-        info->master = info;
+
+        info->master = kzalloc(sizeof(*info->master), GFP_KERNEL);
+        if (info->master == NULL) {
+                printk(KERN_ERR KBUILD_MODNAME ": Out of memory\n");
+                return false;
+        }
+        info->master->count = info->u.nth.count;
+
         return true;
 }
 
+static void statistic_mt_destroy(const struct xt_mtdtor_param *par)
+{
+        const struct xt_statistic_info *info = par->matchinfo;
+
+        kfree(info->master);
+}
+
 static struct xt_match xt_statistic_mt_reg __read_mostly = {
         .name       = "statistic",
         .revision   = 0,
         .family     = NFPROTO_UNSPEC,
         .match      = statistic_mt,
         .checkentry = statistic_mt_check,
+        .destroy    = statistic_mt_destroy,
         .matchsize  = sizeof(struct xt_statistic_info),
         .me         = THIS_MODULE,
 };
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index a007dbb4c9f1..b73d4e61c5ac 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1117,6 +1117,7 @@ void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
 
         read_unlock(&nl_table_lock);
 }
+EXPORT_SYMBOL(netlink_set_err);
 
 /* must be called with netlink table grabbed */
 static void netlink_update_socket_mc(struct netlink_sock *nlk,
diff --git a/net/sysctl_net.c b/net/sysctl_net.c
index 972201cd5fa7..0b15d7250c40 100644
--- a/net/sysctl_net.c
+++ b/net/sysctl_net.c
@@ -61,7 +61,7 @@ static struct ctl_table_root net_sysctl_root = {
 static int net_ctl_ro_header_perms(struct ctl_table_root *root,
                 struct nsproxy *namespaces, struct ctl_table *table)
 {
-        if (namespaces->net_ns == &init_net)
+        if (net_eq(namespaces->net_ns, &init_net))
                 return table->mode;
         else
                 return table->mode & ~0222;