6 files changed, 32 insertions, 9 deletions

diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/linux/netfilter/nfnetlink_conntrack.h
index 29fe9ea1d346..1a865e48b8eb 100644
--- a/include/linux/netfilter/nfnetlink_conntrack.h
+++ b/include/linux/netfilter/nfnetlink_conntrack.h
@@ -100,6 +100,7 @@ enum ctattr_protoinfo_tcp {
 enum ctattr_protoinfo_dccp {
         CTA_PROTOINFO_DCCP_UNSPEC,
         CTA_PROTOINFO_DCCP_STATE,
+        CTA_PROTOINFO_DCCP_ROLE,
         __CTA_PROTOINFO_DCCP_MAX,
 };
 #define CTA_PROTOINFO_DCCP_MAX (__CTA_PROTOINFO_DCCP_MAX - 1)
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 3953ac4214c8..e4a418fcb35b 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -788,15 +788,23 @@ static unsigned int br_nf_local_out(unsigned int hook, struct sk_buff *skb,
         return NF_STOLEN;
 }
 
+#if defined(CONFIG_NF_CONNTRACK_IPV4) || defined(CONFIG_NF_CONNTRACK_IPV4_MODULE)
 static int br_nf_dev_queue_xmit(struct sk_buff *skb)
 {
-        if (skb->protocol == htons(ETH_P_IP) &&
+        if (skb->nfct != NULL &&
+            (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP(skb)) &&
             skb->len > skb->dev->mtu &&
             !skb_is_gso(skb))
                 return ip_fragment(skb, br_dev_queue_push_xmit);
         else
                 return br_dev_queue_push_xmit(skb);
 }
+#else
+static int br_nf_dev_queue_xmit(struct sk_buff *skb)
+{
+        return br_dev_queue_push_xmit(skb);
+}
+#endif
 
 /* PF_BRIDGE/POST_ROUTING ********************************************/
 static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb,
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 2329c5f50551..881203c4a142 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -275,6 +275,8 @@ config NF_CT_NETLINK
         help
           This option enables support for a netlink-based userspace interface
 
+endif # NF_CONNTRACK
+
 # transparent proxy support
 config NETFILTER_TPROXY
         tristate "Transparent proxying support (EXPERIMENTAL)"
@@ -290,8 +292,6 @@ config NETFILTER_TPROXY
 
           To compile it as a module, choose M here.  If unsure, say N.
 
-endif # NF_CONNTRACK
-
 config NETFILTER_XTABLES
         tristate "Netfilter Xtables support (required for ip_tables)"
         default m if NETFILTER_ADVANCED=n
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 50dac8dbe7d8..8e757dd53396 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -633,6 +633,8 @@ static int dccp_to_nlattr(struct sk_buff *skb, struct nlattr *nla,
         if (!nest_parms)
                 goto nla_put_failure;
         NLA_PUT_U8(skb, CTA_PROTOINFO_DCCP_STATE, ct->proto.dccp.state);
+        NLA_PUT_U8(skb, CTA_PROTOINFO_DCCP_ROLE,
+                   ct->proto.dccp.role[IP_CT_DIR_ORIGINAL]);
         nla_nest_end(skb, nest_parms);
         read_unlock_bh(&dccp_lock);
         return 0;
@@ -644,6 +646,7 @@ nla_put_failure:
 
 static const struct nla_policy dccp_nla_policy[CTA_PROTOINFO_DCCP_MAX + 1] = {
         [CTA_PROTOINFO_DCCP_STATE]      = { .type = NLA_U8 },
+        [CTA_PROTOINFO_DCCP_ROLE]       = { .type = NLA_U8 },
 };
 
 static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct)
@@ -661,11 +664,21 @@ static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct)
                 return err;
 
         if (!tb[CTA_PROTOINFO_DCCP_STATE] ||
-            nla_get_u8(tb[CTA_PROTOINFO_DCCP_STATE]) >= CT_DCCP_IGNORE)
+            !tb[CTA_PROTOINFO_DCCP_ROLE] ||
+            nla_get_u8(tb[CTA_PROTOINFO_DCCP_ROLE]) > CT_DCCP_ROLE_MAX ||
+            nla_get_u8(tb[CTA_PROTOINFO_DCCP_STATE]) >= CT_DCCP_IGNORE) {
                 return -EINVAL;
+        }
 
         write_lock_bh(&dccp_lock);
         ct->proto.dccp.state = nla_get_u8(tb[CTA_PROTOINFO_DCCP_STATE]);
+        if (nla_get_u8(tb[CTA_PROTOINFO_DCCP_ROLE]) == CT_DCCP_ROLE_CLIENT) {
+                ct->proto.dccp.role[IP_CT_DIR_ORIGINAL] = CT_DCCP_ROLE_CLIENT;
+                ct->proto.dccp.role[IP_CT_DIR_REPLY] = CT_DCCP_ROLE_SERVER;
+        } else {
+                ct->proto.dccp.role[IP_CT_DIR_ORIGINAL] = CT_DCCP_ROLE_SERVER;
+                ct->proto.dccp.role[IP_CT_DIR_REPLY] = CT_DCCP_ROLE_CLIENT;
+        }
         write_unlock_bh(&dccp_lock);
         return 0;
 }
@@ -777,6 +790,7 @@ static struct nf_conntrack_l4proto dccp_proto6 __read_mostly = {
         .print_conntrack        = dccp_print_conntrack,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
         .to_nlattr              = dccp_to_nlattr,
+        .nlattr_size            = dccp_nlattr_size,
         .from_nlattr            = nlattr_to_dccp,
         .tuple_to_nlattr        = nf_ct_port_tuple_to_nlattr,
         .nlattr_tuple_size      = nf_ct_port_nlattr_tuple_size,
diff --git a/net/netfilter/nf_conntrack_proto_udplite.c b/net/netfilter/nf_conntrack_proto_udplite.c
index 4614696c1b88..0badedc542d3 100644
--- a/net/netfilter/nf_conntrack_proto_udplite.c
+++ b/net/netfilter/nf_conntrack_proto_udplite.c
@@ -204,6 +204,7 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6 __read_mostly =
         .error                  = udplite_error,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
         .tuple_to_nlattr        = nf_ct_port_tuple_to_nlattr,
+        .nlattr_tuple_size      = nf_ct_port_nlattr_tuple_size,
         .nlattr_to_tuple        = nf_ct_port_nlattr_to_tuple,
         .nla_policy             = nf_ct_port_nla_policy,
 #endif
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 791e030ea903..eb0ceb846527 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -474,7 +474,7 @@ static ssize_t recent_old_proc_write(struct file *file,
         struct recent_table *t = pde->data;
         struct recent_entry *e;
         char buf[sizeof("+255.255.255.255")], *c = buf;
-        __be32 addr;
+        union nf_inet_addr addr = {};
         int add;
 
         if (size > sizeof(buf))
@@ -506,14 +506,13 @@ static ssize_t recent_old_proc_write(struct file *file,
                 add = 1;
                 break;
         }
-        addr = in_aton(c);
+        addr.ip = in_aton(c);
 
         spin_lock_bh(&recent_lock);
-        e = recent_entry_lookup(t, (const void *)&addr, NFPROTO_IPV4, 0);
+        e = recent_entry_lookup(t, &addr, NFPROTO_IPV4, 0);
         if (e == NULL) {
                 if (add)
-                        recent_entry_init(t, (const void *)&addr,
-                                          NFPROTO_IPV4, 0);
+                        recent_entry_init(t, &addr, NFPROTO_IPV4, 0);
         } else {
                 if (add)
                         recent_entry_update(t, e);