These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / net / openvswitch / conntrack.h

diff --git a/kernel/net/openvswitch/conntrack.h b/kernel/net/openvswitch/conntrack.h
new file mode 100644 (file)
index 0000000..a7544f4
--- /dev/null
+++ b/kernel/net/openvswitch/conntrack.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2015 Nicira, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#ifndef OVS_CONNTRACK_H
+#define OVS_CONNTRACK_H 1
+
+#include "flow.h"
+
+struct ovs_conntrack_info;
+enum ovs_key_attr;
+
+#if IS_ENABLED(CONFIG_NF_CONNTRACK)
+void ovs_ct_init(struct net *);
+void ovs_ct_exit(struct net *);
+bool ovs_ct_verify(struct net *, enum ovs_key_attr attr);
+int ovs_ct_copy_action(struct net *, const struct nlattr *,
+                      const struct sw_flow_key *, struct sw_flow_actions **,
+                      bool log);
+int ovs_ct_action_to_attr(const struct ovs_conntrack_info *, struct sk_buff *);
+
+int ovs_ct_execute(struct net *, struct sk_buff *, struct sw_flow_key *,
+                  const struct ovs_conntrack_info *);
+
+void ovs_ct_fill_key(const struct sk_buff *skb, struct sw_flow_key *key);
+int ovs_ct_put_key(const struct sw_flow_key *key, struct sk_buff *skb);
+void ovs_ct_free_action(const struct nlattr *a);
+
+#define CT_SUPPORTED_MASK (OVS_CS_F_NEW | OVS_CS_F_ESTABLISHED | \
+                          OVS_CS_F_RELATED | OVS_CS_F_REPLY_DIR | \
+                          OVS_CS_F_INVALID | OVS_CS_F_TRACKED)
+#else
+#include <linux/errno.h>
+
+static inline void ovs_ct_init(struct net *net) { }
+
+static inline void ovs_ct_exit(struct net *net) { }
+
+static inline bool ovs_ct_verify(struct net *net, int attr)
+{
+       return false;
+}
+
+static inline int ovs_ct_copy_action(struct net *net, const struct nlattr *nla,
+                                    const struct sw_flow_key *key,
+                                    struct sw_flow_actions **acts, bool log)
+{
+       return -ENOTSUPP;
+}
+
+static inline int ovs_ct_action_to_attr(const struct ovs_conntrack_info *info,
+                                       struct sk_buff *skb)
+{
+       return -ENOTSUPP;
+}
+
+static inline int ovs_ct_execute(struct net *net, struct sk_buff *skb,
+                                struct sw_flow_key *key,
+                                const struct ovs_conntrack_info *info)
+{
+       kfree_skb(skb);
+       return -ENOTSUPP;
+}
+
+static inline void ovs_ct_fill_key(const struct sk_buff *skb,
+                                  struct sw_flow_key *key)
+{
+       key->ct.state = 0;
+       key->ct.zone = 0;
+       key->ct.mark = 0;
+       memset(&key->ct.labels, 0, sizeof(key->ct.labels));
+}
+
+static inline int ovs_ct_put_key(const struct sw_flow_key *key,
+                                struct sk_buff *skb)
+{
+       return 0;
+}
+
+static inline void ovs_ct_free_action(const struct nlattr *a) { }
+
+#define CT_SUPPORTED_MASK 0
+#endif /* CONFIG_NF_CONNTRACK */
+#endif /* ovs_conntrack.h */