[NETFILTER]: nf_conntrack: add DCCP protocol support

Add DCCP conntrack helper. Thanks to Gerrit Renker <gerrit@erg.abdn.ac.uk>
for review and testing.

Signed-off-by: Patrick McHardy <kaber@trash.net>

2 files changed, 8 insertions, 0 deletions

diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index a3567a7a6d67..bb9fc852e973 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -20,6 +20,7 @@
 #include <asm/atomic.h>
 
 #include <linux/netfilter/nf_conntrack_tcp.h>
+#include <linux/netfilter/nf_conntrack_dccp.h>
 #include <linux/netfilter/nf_conntrack_sctp.h>
 #include <linux/netfilter/nf_conntrack_proto_gre.h>
 #include <net/netfilter/ipv4/nf_conntrack_icmp.h>
@@ -30,6 +31,7 @@
 /* per conntrack: protocol private data */
 union nf_conntrack_proto {
         /* insert conntrack proto private data here */
+        struct nf_ct_dccp dccp;
         struct ip_ct_sctp sctp;
         struct ip_ct_tcp tcp;
         struct ip_ct_icmp icmp;
diff --git a/include/net/netfilter/nf_conntrack_tuple.h b/include/net/netfilter/nf_conntrack_tuple.h
index 168c91754d89..bdeec3461384 100644
--- a/include/net/netfilter/nf_conntrack_tuple.h
+++ b/include/net/netfilter/nf_conntrack_tuple.h
@@ -41,6 +41,9 @@ union nf_conntrack_man_proto
         } icmp;
         struct {
                 __be16 port;
+        } dccp;
+        struct {
+                __be16 port;
         } sctp;
         struct {
                 __be16 key;     /* GRE key is 32bit, PPtP only uses 16bit */
@@ -79,6 +82,9 @@ struct nf_conntrack_tuple
                         } icmp;
                         struct {
                                 __be16 port;
+                        } dccp;
+                        struct {
+                                __be16 port;
                         } sctp;
                         struct {
                                 __be16 key;