1 files changed, 63 insertions, 0 deletions
diff --git a/backport-include/net/net_namespace.h b/backport-include/net/net_namespace.h
new file mode 100644
index 0000000..f23702f
--- /dev/null
+++ b/backport-include/net/net_namespace.h
@@ -0,0 +1,63 @@
+#ifndef _COMPAT_NET_NET_NAMESPACE_H
+#define _COMPAT_NET_NET_NAMESPACE_H 1
+
+#include <linux/version.h>
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23))
+#include_next <net/net_namespace.h>
+#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23)) */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
+#ifdef CONFIG_NET_NS
+static inline void write_pnet(struct net **pnet, struct net *net)
+{
+	*pnet = net;
+}
+
+static inline struct net *read_pnet(struct net * const *pnet)
+{
+	return *pnet;
+}
+
+#else
+#define write_pnet(pnet, net)	do { (void)(net);} while (0)
+#define read_pnet(pnet)		(&init_net)
+#endif
+#endif /* < 2.6.29 */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
+#ifdef CONFIG_NET_NS
+static inline
+int net_eq(const struct net *net1, const struct net *net2)
+{
+	return net1 == net2;
+}
+#else
+static inline
+int net_eq(const struct net *net1, const struct net *net2)
+{
+	return 1;
+}
+#endif
+
+static inline
+void dev_net_set(struct net_device *dev, struct net *net)
+{
+#ifdef CONFIG_NET_NS
+	release_net(dev->nd_net);
+	dev->nd_net = hold_net(net);
+#endif
+}
+
+static inline
+struct net *sock_net(const struct sock *sk)
+{
+#ifdef CONFIG_NET_NS
+	return sk->sk_net;
+#else
+	return &init_net;
+#endif
+}
+#endif /* < 2.6.26 */
+
+#endif	/* _COMPAT_NET_NET_NAMESPACE_H */