netfilter: ctnetlink: allow to specify the expectation flags

With this patch, you can specify the expectation flags for user-space
created expectations.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>

3 files changed, 5 insertions, 3 deletions

diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h
index 1afd18c855ec..fdc50cae861f 100644
--- a/include/linux/netfilter/nf_conntrack_common.h
+++ b/include/linux/netfilter/nf_conntrack_common.h
@@ -100,6 +100,10 @@ enum ip_conntrack_expect_events {
         IPEXP_NEW,              /* new expectation */
 };
 
+/* expectation flags */
+#define NF_CT_EXPECT_PERMANENT          0x1
+#define NF_CT_EXPECT_INACTIVE           0x2
+
 #ifdef __KERNEL__
 struct ip_conntrack_stat {
         unsigned int searched;
diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/linux/netfilter/nfnetlink_conntrack.h
index 9ed534c991b9..455f0ce4f430 100644
--- a/include/linux/netfilter/nfnetlink_conntrack.h
+++ b/include/linux/netfilter/nfnetlink_conntrack.h
@@ -161,6 +161,7 @@ enum ctattr_expect {
         CTA_EXPECT_ID,
         CTA_EXPECT_HELP_NAME,
         CTA_EXPECT_ZONE,
+        CTA_EXPECT_FLAGS,
         __CTA_EXPECT_MAX
 };
 #define CTA_EXPECT_MAX (__CTA_EXPECT_MAX - 1)
diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h
index 11e815084fcf..96bb42af5fae 100644
--- a/include/net/netfilter/nf_conntrack_expect.h
+++ b/include/net/netfilter/nf_conntrack_expect.h
@@ -67,9 +67,6 @@ struct nf_conntrack_expect_policy {
 
 #define NF_CT_EXPECT_CLASS_DEFAULT      0
 
-#define NF_CT_EXPECT_PERMANENT  0x1
-#define NF_CT_EXPECT_INACTIVE   0x2
-
 int nf_conntrack_expect_init(struct net *net);
 void nf_conntrack_expect_fini(struct net *net);