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

22 files changed, 262 insertions, 126 deletions

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 672be0109d02..92f021aac92c 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -303,15 +303,6 @@ Who:	Johannes Berg <johannes@sipsolutions.net>
 
 ---------------------------
 
-What: CONFIG_NF_CT_ACCT
-When: 2.6.29
-Why:  Accounting can now be enabled/disabled without kernel recompilation.
-      Currently used only to set a default value for a feature that is also
-      controlled by a kernel/module/sysfs/sysctl parameter.
-Who:  Krzysztof Piotr Oledzki <ole@ans.pl>
-
----------------------------
-
 What:   sysfs ui for changing p4-clockmod parameters
 When:   September 2009
 Why:    See commits 129f8ae9b1b5be94517da76009ea956e89104ce8 and
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1808f1157f30..cee62515ffa1 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1597,8 +1597,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         [NETFILTER] Enable connection tracking flow accounting
                         0 to disable accounting
                         1 to enable accounting
-                        Default value depends on CONFIG_NF_CT_ACCT that is
-                        going to be removed in 2.6.29.
+                        Default value is 0.
 
         nfsaddrs=       [NFS]
                         See Documentation/filesystems/nfs/nfsroot.txt.
diff --git a/include/linux/ip_vs.h b/include/linux/ip_vs.h
index dfc170362842..9708de265bb1 100644
--- a/include/linux/ip_vs.h
+++ b/include/linux/ip_vs.h
@@ -19,6 +19,7 @@
  */
 #define IP_VS_SVC_F_PERSISTENT  0x0001          /* persistent port */
 #define IP_VS_SVC_F_HASHED      0x0002          /* hashed entry */
+#define IP_VS_SVC_F_ONEPACKET   0x0004          /* one-packet scheduling */
 
 /*
  *      Destination Server Flags
@@ -85,6 +86,7 @@
 #define IP_VS_CONN_F_SEQ_MASK   0x0600          /* in/out sequence mask */
 #define IP_VS_CONN_F_NO_CPORT   0x0800          /* no client port set yet */
 #define IP_VS_CONN_F_TEMPLATE   0x1000          /* template, not connection */
+#define IP_VS_CONN_F_ONE_PACKET 0x2000          /* forward only one packet */
 
 #define IP_VS_SCHEDNAME_MAXLEN  16
 #define IP_VS_IFNAME_MAXLEN     16
diff --git a/include/linux/netfilter_ipv4/ipt_LOG.h b/include/linux/netfilter_ipv4/ipt_LOG.h
index 90fa6525ef9c..dcdbadf9fd4a 100644
--- a/include/linux/netfilter_ipv4/ipt_LOG.h
+++ b/include/linux/netfilter_ipv4/ipt_LOG.h
@@ -7,7 +7,8 @@
 #define IPT_LOG_IPOPT           0x04    /* Log IP options */
 #define IPT_LOG_UID             0x08    /* Log UID owning local socket */
 #define IPT_LOG_NFLOG           0x10    /* Unsupported, don't reuse */
-#define IPT_LOG_MASK            0x1f
+#define IPT_LOG_MACDECODE       0x20    /* Decode MAC header */
+#define IPT_LOG_MASK            0x2f
 
 struct ipt_log_info {
         unsigned char level;
diff --git a/include/linux/netfilter_ipv6/ip6t_LOG.h b/include/linux/netfilter_ipv6/ip6t_LOG.h
index 0d0119b0458c..9dd5579e02ec 100644
--- a/include/linux/netfilter_ipv6/ip6t_LOG.h
+++ b/include/linux/netfilter_ipv6/ip6t_LOG.h
@@ -7,7 +7,8 @@
 #define IP6T_LOG_IPOPT          0x04    /* Log IP options */
 #define IP6T_LOG_UID            0x08    /* Log UID owning local socket */
 #define IP6T_LOG_NFLOG          0x10    /* Unsupported, don't use */
-#define IP6T_LOG_MASK           0x1f
+#define IP6T_LOG_MACDECODE      0x20    /* Decode MAC header */
+#define IP6T_LOG_MASK           0x2f
 
 struct ip6t_log_info {
         unsigned char level;
diff --git a/include/net/netfilter/nf_conntrack_acct.h b/include/net/netfilter/nf_conntrack_acct.h
index 03e218f0be43..4e9c63a20db2 100644
--- a/include/net/netfilter/nf_conntrack_acct.h
+++ b/include/net/netfilter/nf_conntrack_acct.h
@@ -45,6 +45,18 @@ struct nf_conn_counter *nf_ct_acct_ext_add(struct nf_conn *ct, gfp_t gfp)
 extern unsigned int
 seq_print_acct(struct seq_file *s, const struct nf_conn *ct, int dir);
 
+/* Check if connection tracking accounting is enabled */
+static inline bool nf_ct_acct_enabled(struct net *net)
+{
+        return net->ct.sysctl_acct != 0;
+}
+
+/* Enable/disable connection tracking accounting */
+static inline void nf_ct_set_acct(struct net *net, bool enable)
+{
+        net->ct.sysctl_acct = enable;
+}
+
 extern int nf_conntrack_acct_init(struct net *net);
 extern void nf_conntrack_acct_fini(struct net *net);
 
diff --git a/include/net/netfilter/nf_nat_rule.h b/include/net/netfilter/nf_nat_rule.h
index e4a18ae361c6..2890bdc4cd92 100644
--- a/include/net/netfilter/nf_nat_rule.h
+++ b/include/net/netfilter/nf_nat_rule.h
@@ -12,6 +12,4 @@ extern int nf_nat_rule_find(struct sk_buff *skb,
                             const struct net_device *out,
                             struct nf_conn *ct);
 
-extern unsigned int
-alloc_null_binding(struct nf_conn *ct, unsigned int hooknum);
 #endif /* _NF_NAT_RULE_H */
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 84060bc48f11..9fdf1b116bd7 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -55,6 +55,9 @@ static int brnf_call_arptables __read_mostly = 1;
 static int brnf_filter_vlan_tagged __read_mostly = 0;
 static int brnf_filter_pppoe_tagged __read_mostly = 0;
 #else
+#define brnf_call_iptables 1
+#define brnf_call_ip6tables 1
+#define brnf_call_arptables 1
 #define brnf_filter_vlan_tagged 0
 #define brnf_filter_pppoe_tagged 0
 #endif
@@ -544,25 +547,30 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff *skb,
                                       const struct net_device *out,
                                       int (*okfn)(struct sk_buff *))
 {
+        struct net_bridge_port *p;
+        struct net_bridge *br;
         struct iphdr *iph;
         __u32 len = nf_bridge_encap_header_len(skb);
 
         if (unlikely(!pskb_may_pull(skb, len)))
                 goto out;
 
+        p = br_port_get_rcu(in);
+        if (p == NULL)
+                goto out;
+        br = p->br;
+
         if (skb->protocol == htons(ETH_P_IPV6) || IS_VLAN_IPV6(skb) ||
             IS_PPPOE_IPV6(skb)) {
-#ifdef CONFIG_SYSCTL
-                if (!brnf_call_ip6tables)
+                if (!brnf_call_ip6tables && !br->nf_call_ip6tables)
                         return NF_ACCEPT;
-#endif
+
                 nf_bridge_pull_encap_header_rcsum(skb);
                 return br_nf_pre_routing_ipv6(hook, skb, in, out, okfn);
         }
-#ifdef CONFIG_SYSCTL
-        if (!brnf_call_iptables)
+
+        if (!brnf_call_iptables && !br->nf_call_iptables)
                 return NF_ACCEPT;
-#endif
 
         if (skb->protocol != htons(ETH_P_IP) && !IS_VLAN_IP(skb) &&
             !IS_PPPOE_IP(skb))
@@ -715,12 +723,17 @@ static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff *skb,
                                       const struct net_device *out,
                                       int (*okfn)(struct sk_buff *))
 {
+        struct net_bridge_port *p;
+        struct net_bridge *br;
         struct net_device **d = (struct net_device **)(skb->cb);
 
-#ifdef CONFIG_SYSCTL
-        if (!brnf_call_arptables)
+        p = br_port_get_rcu(out);
+        if (p == NULL)
+                return NF_ACCEPT;
+        br = p->br;
+
+        if (!brnf_call_arptables && !br->nf_call_arptables)
                 return NF_ACCEPT;
-#endif
 
         if (skb->protocol != htons(ETH_P_ARP)) {
                 if (!IS_VLAN_ARP(skb))
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 3f0678fd1fd0..75c90edaf7db 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -176,6 +176,9 @@ struct net_bridge
         unsigned long                   feature_mask;
 #ifdef CONFIG_BRIDGE_NETFILTER
         struct rtable                   fake_rtable;
+        bool                            nf_call_iptables;
+        bool                            nf_call_ip6tables;
+        bool                            nf_call_arptables;
 #endif
         unsigned long                   flags;
 #define BR_SET_MAC_ADDR         0x00000001
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 486b8f3861d2..5c1e5559ebba 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -611,6 +611,73 @@ static DEVICE_ATTR(multicast_startup_query_interval, S_IRUGO | S_IWUSR,
                    show_multicast_startup_query_interval,
                    store_multicast_startup_query_interval);
 #endif
+#ifdef CONFIG_BRIDGE_NETFILTER
+static ssize_t show_nf_call_iptables(
+        struct device *d, struct device_attribute *attr, char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(buf, "%u\n", br->nf_call_iptables);
+}
+
+static int set_nf_call_iptables(struct net_bridge *br, unsigned long val)
+{
+        br->nf_call_iptables = val ? true : false;
+        return 0;
+}
+
+static ssize_t store_nf_call_iptables(
+        struct device *d, struct device_attribute *attr, const char *buf,
+        size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_nf_call_iptables);
+}
+static DEVICE_ATTR(nf_call_iptables, S_IRUGO | S_IWUSR,
+                   show_nf_call_iptables, store_nf_call_iptables);
+
+static ssize_t show_nf_call_ip6tables(
+        struct device *d, struct device_attribute *attr, char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(buf, "%u\n", br->nf_call_ip6tables);
+}
+
+static int set_nf_call_ip6tables(struct net_bridge *br, unsigned long val)
+{
+        br->nf_call_ip6tables = val ? true : false;
+        return 0;
+}
+
+static ssize_t store_nf_call_ip6tables(
+        struct device *d, struct device_attribute *attr, const char *buf,
+        size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_nf_call_ip6tables);
+}
+static DEVICE_ATTR(nf_call_ip6tables, S_IRUGO | S_IWUSR,
+                   show_nf_call_ip6tables, store_nf_call_ip6tables);
+
+static ssize_t show_nf_call_arptables(
+        struct device *d, struct device_attribute *attr, char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(buf, "%u\n", br->nf_call_arptables);
+}
+
+static int set_nf_call_arptables(struct net_bridge *br, unsigned long val)
+{
+        br->nf_call_arptables = val ? true : false;
+        return 0;
+}
+
+static ssize_t store_nf_call_arptables(
+        struct device *d, struct device_attribute *attr, const char *buf,
+        size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_nf_call_arptables);
+}
+static DEVICE_ATTR(nf_call_arptables, S_IRUGO | S_IWUSR,
+                   show_nf_call_arptables, store_nf_call_arptables);
+#endif
 
 static struct attribute *bridge_attrs[] = {
         &dev_attr_forward_delay.attr,
@@ -645,6 +712,11 @@ static struct attribute *bridge_attrs[] = {
         &dev_attr_multicast_query_response_interval.attr,
         &dev_attr_multicast_startup_query_interval.attr,
 #endif
+#ifdef CONFIG_BRIDGE_NETFILTER
+        &dev_attr_nf_call_iptables.attr,
+        &dev_attr_nf_call_ip6tables.attr,
+        &dev_attr_nf_call_arptables.attr,
+#endif
         NULL
 };
 
diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c
index 5234f4f3499a..915fc17d7ce2 100644
--- a/net/ipv4/netfilter/ipt_LOG.c
+++ b/net/ipv4/netfilter/ipt_LOG.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/skbuff.h>
+#include <linux/if_arp.h>
 #include <linux/ip.h>
 #include <net/icmp.h>
 #include <net/udp.h>
@@ -363,6 +364,42 @@ static void dump_packet(const struct nf_loginfo *info,
         /* maxlen = 230+   91  + 230 + 252 = 803 */
 }
 
+static void dump_mac_header(const struct nf_loginfo *info,
+                            const struct sk_buff *skb)
+{
+        struct net_device *dev = skb->dev;
+        unsigned int logflags = 0;
+
+        if (info->type == NF_LOG_TYPE_LOG)
+                logflags = info->u.log.logflags;
+
+        if (!(logflags & IPT_LOG_MACDECODE))
+                goto fallback;
+
+        switch (dev->type) {
+        case ARPHRD_ETHER:
+                printk("MACSRC=%pM MACDST=%pM MACPROTO=%04x ",
+                       eth_hdr(skb)->h_source, eth_hdr(skb)->h_dest,
+                       ntohs(eth_hdr(skb)->h_proto));
+                return;
+        default:
+                break;
+        }
+
+fallback:
+        printk("MAC=");
+        if (dev->hard_header_len &&
+            skb->mac_header != skb->network_header) {
+                const unsigned char *p = skb_mac_header(skb);
+                unsigned int i;
+
+                printk("%02x", *p++);
+                for (i = 1; i < dev->hard_header_len; i++, p++)
+                        printk(":%02x", *p);
+        }
+        printk(" ");
+}
+
 static struct nf_loginfo default_loginfo = {
         .type   = NF_LOG_TYPE_LOG,
         .u = {
@@ -404,20 +441,9 @@ ipt_log_packet(u_int8_t pf,
         }
 #endif
 
-        if (in && !out) {
-                /* MAC logging for input chain only. */
-                printk("MAC=");
-                if (skb->dev && skb->dev->hard_header_len &&
-                    skb->mac_header != skb->network_header) {
-                        int i;
-                        const unsigned char *p = skb_mac_header(skb);
-                        for (i = 0; i < skb->dev->hard_header_len; i++,p++)
-                                printk("%02x%c", *p,
-                                       i==skb->dev->hard_header_len - 1
-                                       ? ' ':':');
-                } else
-                        printk(" ");
-        }
+        /* MAC logging for input path only. */
+        if (in && !out)
+                dump_mac_header(loginfo, skb);
 
         dump_packet(loginfo, skb, 0);
         printk("\n");
diff --git a/net/ipv4/netfilter/ipt_NETMAP.c b/net/ipv4/netfilter/ipt_NETMAP.c
index f43867d1697f..6cdb298f1035 100644
--- a/net/ipv4/netfilter/ipt_NETMAP.c
+++ b/net/ipv4/netfilter/ipt_NETMAP.c
@@ -48,7 +48,8 @@ netmap_tg(struct sk_buff *skb, const struct xt_action_param *par)
 
         NF_CT_ASSERT(par->hooknum == NF_INET_PRE_ROUTING ||
                      par->hooknum == NF_INET_POST_ROUTING ||
-                     par->hooknum == NF_INET_LOCAL_OUT);
+                     par->hooknum == NF_INET_LOCAL_OUT ||
+                     par->hooknum == NF_INET_LOCAL_IN);
         ct = nf_ct_get(skb, &ctinfo);
 
         netmask = ~(mr->range[0].min_ip ^ mr->range[0].max_ip);
@@ -77,7 +78,8 @@ static struct xt_target netmap_tg_reg __read_mostly = {
         .table          = "nat",
         .hooks          = (1 << NF_INET_PRE_ROUTING) |
                           (1 << NF_INET_POST_ROUTING) |
-                          (1 << NF_INET_LOCAL_OUT),
+                          (1 << NF_INET_LOCAL_OUT) |
+                          (1 << NF_INET_LOCAL_IN),
         .checkentry     = netmap_tg_check,
         .me             = THIS_MODULE
 };
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c
index 98ed78281aee..ebbd319f62f5 100644
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -28,7 +28,8 @@
 
 #define NAT_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | \
                          (1 << NF_INET_POST_ROUTING) | \
-                         (1 << NF_INET_LOCAL_OUT))
+                         (1 << NF_INET_LOCAL_OUT) | \
+                         (1 << NF_INET_LOCAL_IN))
 
 static const struct xt_table nat_table = {
         .name           = "nat",
@@ -45,7 +46,8 @@ ipt_snat_target(struct sk_buff *skb, const struct xt_action_param *par)
         enum ip_conntrack_info ctinfo;
         const struct nf_nat_multi_range_compat *mr = par->targinfo;
 
-        NF_CT_ASSERT(par->hooknum == NF_INET_POST_ROUTING);
+        NF_CT_ASSERT(par->hooknum == NF_INET_POST_ROUTING ||
+                     par->hooknum == NF_INET_LOCAL_IN);
 
         ct = nf_ct_get(skb, &ctinfo);
 
@@ -99,7 +101,7 @@ static int ipt_dnat_checkentry(const struct xt_tgchk_param *par)
         return 0;
 }
 
-unsigned int
+static unsigned int
 alloc_null_binding(struct nf_conn *ct, unsigned int hooknum)
 {
         /* Force range to this IP; let proto decide mapping for
@@ -141,7 +143,7 @@ static struct xt_target ipt_snat_reg __read_mostly = {
         .target         = ipt_snat_target,
         .targetsize     = sizeof(struct nf_nat_multi_range_compat),
         .table          = "nat",
-        .hooks          = 1 << NF_INET_POST_ROUTING,
+        .hooks          = (1 << NF_INET_POST_ROUTING) | (1 << NF_INET_LOCAL_IN),
         .checkentry     = ipt_snat_checkentry,
         .family         = AF_INET,
 };
diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c
index 6723c682250d..95481fee8bdb 100644
--- a/net/ipv4/netfilter/nf_nat_standalone.c
+++ b/net/ipv4/netfilter/nf_nat_standalone.c
@@ -131,13 +131,7 @@ nf_nat_fn(unsigned int hooknum,
                 if (!nf_nat_initialized(ct, maniptype)) {
                         unsigned int ret;
 
-                        if (hooknum == NF_INET_LOCAL_IN)
-                                /* LOCAL_IN hook doesn't have a chain!  */
-                                ret = alloc_null_binding(ct, hooknum);
-                        else
-                                ret = nf_nat_rule_find(skb, hooknum, in, out,
-                                                       ct);
-
+                        ret = nf_nat_rule_find(skb, hooknum, in, out, ct);
                         if (ret != NF_ACCEPT)
                                 return ret;
                 } else
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index af4ee11f2066..0a07ae7b933f 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -373,6 +373,56 @@ static void dump_packet(const struct nf_loginfo *info,
                 printk("MARK=0x%x ", skb->mark);
 }
 
+static void dump_mac_header(const struct nf_loginfo *info,
+                            const struct sk_buff *skb)
+{
+        struct net_device *dev = skb->dev;
+        unsigned int logflags = 0;
+
+        if (info->type == NF_LOG_TYPE_LOG)
+                logflags = info->u.log.logflags;
+
+        if (!(logflags & IP6T_LOG_MACDECODE))
+                goto fallback;
+
+        switch (dev->type) {
+        case ARPHRD_ETHER:
+                printk("MACSRC=%pM MACDST=%pM MACPROTO=%04x ",
+                       eth_hdr(skb)->h_source, eth_hdr(skb)->h_dest,
+                       ntohs(eth_hdr(skb)->h_proto));
+                return;
+        default:
+                break;
+        }
+
+fallback:
+        printk("MAC=");
+        if (dev->hard_header_len &&
+            skb->mac_header != skb->network_header) {
+                const unsigned char *p = skb_mac_header(skb);
+                unsigned int len = dev->hard_header_len;
+                unsigned int i;
+
+                if (dev->type == ARPHRD_SIT &&
+                    (p -= ETH_HLEN) < skb->head)
+                        p = NULL;
+
+                if (p != NULL) {
+                        printk("%02x", *p++);
+                        for (i = 1; i < len; i++)
+                                printk(":%02x", p[i]);
+                }
+                printk(" ");
+
+                if (dev->type == ARPHRD_SIT) {
+                        const struct iphdr *iph =
+                                (struct iphdr *)skb_mac_header(skb);
+                        printk("TUNNEL=%pI4->%pI4 ", &iph->saddr, &iph->daddr);
+                }
+        } else
+                printk(" ");
+}
+
 static struct nf_loginfo default_loginfo = {
         .type   = NF_LOG_TYPE_LOG,
         .u = {
@@ -400,35 +450,10 @@ ip6t_log_packet(u_int8_t pf,
                 prefix,
                 in ? in->name : "",
                 out ? out->name : "");
-        if (in && !out) {
-                unsigned int len;
-                /* MAC logging for input chain only. */
-                printk("MAC=");
-                if (skb->dev && (len = skb->dev->hard_header_len) &&
-                    skb->mac_header != skb->network_header) {
-                        const unsigned char *p = skb_mac_header(skb);
-                        int i;
-
-                        if (skb->dev->type == ARPHRD_SIT &&
-                            (p -= ETH_HLEN) < skb->head)
-                                p = NULL;
-
-                        if (p != NULL) {
-                                for (i = 0; i < len; i++)
-                                        printk("%02x%s", p[i],
-                                               i == len - 1 ? "" : ":");
-                        }
-                        printk(" ");
 
-                        if (skb->dev->type == ARPHRD_SIT) {
-                                const struct iphdr *iph =
-                                        (struct iphdr *)skb_mac_header(skb);
-                                printk("TUNNEL=%pI4->%pI4 ",
-                                       &iph->saddr, &iph->daddr);
-                        }
-                } else
-                        printk(" ");
-        }
+        /* MAC logging for input path only. */
+        if (in && !out)
+                dump_mac_header(loginfo, skb);
 
         dump_packet(loginfo, skb, skb_network_offset(skb), 1);
         printk("\n");
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 413ed24a968a..aa2f106347e4 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -40,27 +40,6 @@ config NF_CONNTRACK
 
 if NF_CONNTRACK
 
-config NF_CT_ACCT
-        bool "Connection tracking flow accounting"
-        depends on NETFILTER_ADVANCED
-        help
-          If this option is enabled, the connection tracking code will
-          keep per-flow packet and byte counters.
-
-          Those counters can be used for flow-based accounting or the
-          `connbytes' match.
-
-          Please note that currently this option only sets a default state.
-          You may change it at boot time with nf_conntrack.acct=0/1 kernel
-          parameter or by loading the nf_conntrack module with acct=0/1.
-
-          You may also disable/enable it on a running system with:
-           sysctl net.netfilter.nf_conntrack_acct=0/1
-
-          This option will be removed in 2.6.29.
-
-          If unsure, say `N'.
-
 config NF_CONNTRACK_MARK
         bool  'Connection mark tracking support'
         depends on NETFILTER_ADVANCED
@@ -515,7 +494,7 @@ config NETFILTER_XT_TARGET_RATEEST
           To compile it as a module, choose M here.  If unsure, say N.
 
 config NETFILTER_XT_TARGET_TEE
-        tristate '"TEE" - packet cloning to alternate destiantion'
+        tristate '"TEE" - packet cloning to alternate destination'
         depends on NETFILTER_ADVANCED
         depends on (IPV6 || IPV6=n)
         depends on !NF_CONNTRACK || NF_CONNTRACK
@@ -630,7 +609,6 @@ config NETFILTER_XT_MATCH_CONNBYTES
         tristate  '"connbytes" per-connection counter match support'
         depends on NF_CONNTRACK
         depends on NETFILTER_ADVANCED
-        select NF_CT_ACCT
         help
           This option adds a `connbytes' match, which allows you to match the
           number of bytes and/or packets for each direction within a connection.
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index ff04e9edbed6..654544e72264 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -158,6 +158,9 @@ static inline int ip_vs_conn_hash(struct ip_vs_conn *cp)
         unsigned hash;
         int ret;
 
+        if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
+                return 0;
+
         /* Hash by protocol, client address and port */
         hash = ip_vs_conn_hashkey(cp->af, cp->protocol, &cp->caddr, cp->cport);
 
@@ -359,8 +362,9 @@ struct ip_vs_conn *ip_vs_conn_out_get
  */
 void ip_vs_conn_put(struct ip_vs_conn *cp)
 {
-        /* reset it expire in its timeout */
-        mod_timer(&cp->timer, jiffies+cp->timeout);
+        unsigned long t = (cp->flags & IP_VS_CONN_F_ONE_PACKET) ?
+                0 : cp->timeout;
+        mod_timer(&cp->timer, jiffies+t);
 
         __ip_vs_conn_put(cp);
 }
@@ -653,7 +657,7 @@ static void ip_vs_conn_expire(unsigned long data)
         /*
          *      unhash it if it is hashed in the conn table
          */
-        if (!ip_vs_conn_unhash(cp))
+        if (!ip_vs_conn_unhash(cp) && !(cp->flags & IP_VS_CONN_F_ONE_PACKET))
                 goto expire_later;
 
         /*
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 1cd6e3fd058b..50907d8472a3 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -194,6 +194,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
         struct ip_vs_dest *dest;
         struct ip_vs_conn *ct;
         __be16  dport;                  /* destination port to forward */
+        __be16  flags;
         union nf_inet_addr snet;        /* source network of the client,
                                            after masking */
 
@@ -340,6 +341,10 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
                 dport = ports[1];
         }
 
+        flags = (svc->flags & IP_VS_SVC_F_ONEPACKET
+                 && iph.protocol == IPPROTO_UDP)?
+                IP_VS_CONN_F_ONE_PACKET : 0;
+
         /*
          *    Create a new connection according to the template
          */
@@ -347,7 +352,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
                             &iph.saddr, ports[0],
                             &iph.daddr, ports[1],
                             &dest->addr, dport,
-                            0,
+                            flags,
                             dest);
         if (cp == NULL) {
                 ip_vs_conn_put(ct);
@@ -377,7 +382,7 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
         struct ip_vs_conn *cp = NULL;
         struct ip_vs_iphdr iph;
         struct ip_vs_dest *dest;
-        __be16 _ports[2], *pptr;
+        __be16 _ports[2], *pptr, flags;
 
         ip_vs_fill_iphdr(svc->af, skb_network_header(skb), &iph);
         pptr = skb_header_pointer(skb, iph.len, sizeof(_ports), _ports);
@@ -407,6 +412,10 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
                 return NULL;
         }
 
+        flags = (svc->flags & IP_VS_SVC_F_ONEPACKET
+                 && iph.protocol == IPPROTO_UDP)?
+                IP_VS_CONN_F_ONE_PACKET : 0;
+
         /*
          *    Create a connection entry.
          */
@@ -414,7 +423,7 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
                             &iph.saddr, pptr[0],
                             &iph.daddr, pptr[1],
                             &dest->addr, dest->port ? dest->port : pptr[1],
-                            0,
+                            flags,
                             dest);
         if (cp == NULL)
                 return NULL;
@@ -464,6 +473,9 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
         if (sysctl_ip_vs_cache_bypass && svc->fwmark && unicast) {
                 int ret, cs;
                 struct ip_vs_conn *cp;
+                __u16 flags = (svc->flags & IP_VS_SVC_F_ONEPACKET &&
+                                iph.protocol == IPPROTO_UDP)?
+                                IP_VS_CONN_F_ONE_PACKET : 0;
                 union nf_inet_addr daddr =  { .all = { 0, 0, 0, 0 } };
 
                 ip_vs_service_put(svc);
@@ -474,7 +486,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
                                     &iph.saddr, pptr[0],
                                     &iph.daddr, pptr[1],
                                     &daddr, 0,
-                                    IP_VS_CONN_F_BYPASS,
+                                    IP_VS_CONN_F_BYPASS | flags,
                                     NULL);
                 if (cp == NULL)
                         return NF_DROP;
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 36dc1d88c2fa..0f0c079c422a 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1864,14 +1864,16 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v)
                                            svc->scheduler->name);
                         else
 #endif
-                                seq_printf(seq, "%s  %08X:%04X %s ",
+                                seq_printf(seq, "%s  %08X:%04X %s %s ",
                                            ip_vs_proto_name(svc->protocol),
                                            ntohl(svc->addr.ip),
                                            ntohs(svc->port),
-                                           svc->scheduler->name);
+                                           svc->scheduler->name,
+                                           (svc->flags & IP_VS_SVC_F_ONEPACKET)?"ops ":"");
                 } else {
-                        seq_printf(seq, "FWM  %08X %s ",
-                                   svc->fwmark, svc->scheduler->name);
+                        seq_printf(seq, "FWM  %08X %s %s",
+                                   svc->fwmark, svc->scheduler->name,
+                                   (svc->flags & IP_VS_SVC_F_ONEPACKET)?"ops ":"");
                 }
 
                 if (svc->flags & IP_VS_SVC_F_PERSISTENT)
diff --git a/net/netfilter/nf_conntrack_acct.c b/net/netfilter/nf_conntrack_acct.c
index ab81b380eae6..5178c691ecbf 100644
--- a/net/netfilter/nf_conntrack_acct.c
+++ b/net/netfilter/nf_conntrack_acct.c
@@ -17,13 +17,7 @@
 #include <net/netfilter/nf_conntrack_extend.h>
 #include <net/netfilter/nf_conntrack_acct.h>
 
-#ifdef CONFIG_NF_CT_ACCT
-#define NF_CT_ACCT_DEFAULT 1
-#else
-#define NF_CT_ACCT_DEFAULT 0
-#endif
-
-static int nf_ct_acct __read_mostly = NF_CT_ACCT_DEFAULT;
+static int nf_ct_acct __read_mostly;
 
 module_param_named(acct, nf_ct_acct, bool, 0644);
 MODULE_PARM_DESC(acct, "Enable connection tracking flow accounting.");
@@ -114,12 +108,6 @@ int nf_conntrack_acct_init(struct net *net)
         net->ct.sysctl_acct = nf_ct_acct;
 
         if (net_eq(net, &init_net)) {
-#ifdef CONFIG_NF_CT_ACCT
-        printk(KERN_WARNING "CONFIG_NF_CT_ACCT is deprecated and will be removed soon. Please use\n");
-                printk(KERN_WARNING "nf_conntrack.acct=1 kernel parameter, acct=1 nf_conntrack module option or\n");
-                printk(KERN_WARNING "sysctl net.netfilter.nf_conntrack_acct=1 to enable it.\n");
-#endif
-
                 ret = nf_ct_extend_register(&acct_extend);
                 if (ret < 0) {
                         printk(KERN_ERR "nf_conntrack_acct: Unable to register extension\n");
diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c
index e11090a0675c..be1f22e13545 100644
--- a/net/netfilter/xt_IDLETIMER.c
+++ b/net/netfilter/xt_IDLETIMER.c
@@ -36,6 +36,7 @@
 #include <linux/netfilter.h>
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter/xt_IDLETIMER.h>
+#include <linux/kdev_t.h>
 #include <linux/kobject.h>
 #include <linux/workqueue.h>
 #include <linux/sysfs.h>
diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c
index 73517835303d..5b138506690e 100644
--- a/net/netfilter/xt_connbytes.c
+++ b/net/netfilter/xt_connbytes.c
@@ -112,6 +112,16 @@ static int connbytes_mt_check(const struct xt_mtchk_param *par)
         if (ret < 0)
                 pr_info("cannot load conntrack support for proto=%u\n",
                         par->family);
+
+        /*
+         * This filter cannot function correctly unless connection tracking
+         * accounting is enabled, so complain in the hope that someone notices.
+         */
+        if (!nf_ct_acct_enabled(par->net)) {
+                pr_warning("Forcing CT accounting to be enabled\n");
+                nf_ct_set_acct(par->net, true);
+        }
+
         return ret;
 }