datapath: Rename linux-2.6 and compat-2.6 directories.

[sliver-openvswitch.git] / datapath / linux / compat / include / linux / netlink.h

diff --git a/datapath/linux/compat/include/linux/netlink.h b/datapath/linux/compat/include/linux/netlink.h
new file mode 100644 (file)
index 0000000..1666097
--- /dev/null
+++ b/datapath/linux/compat/include/linux/netlink.h
@@ -0,0 +1,35 @@
+#ifndef __LINUX_NETLINK_WRAPPER_H
+#define __LINUX_NETLINK_WRAPPER_H 1
+
+#include <linux/skbuff.h>
+#include_next <linux/netlink.h>
+
+#ifndef NLA_TYPE_MASK
+#define NLA_F_NESTED           (1 << 15)
+#define NLA_F_NET_BYTEORDER    (1 << 14)
+#define NLA_TYPE_MASK          ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER)
+#endif
+
+#include <net/netlink.h>
+#include <linux/version.h>
+
+#ifndef NLMSG_DEFAULT_SIZE
+#define NLMSG_DEFAULT_SIZE (NLMSG_GOODSIZE - NLMSG_HDRLEN)
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+#define nlmsg_new(s, f)   nlmsg_new_proper((s), (f))
+static inline struct sk_buff *nlmsg_new_proper(int size, gfp_t flags)
+{
+       return alloc_skb(size, flags);
+}
+#endif /* linux kernel < 2.6.19 */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
+static inline struct nlmsghdr *nlmsg_hdr(const struct sk_buff *skb)
+{
+       return (struct nlmsghdr *)skb->data;
+}
+#endif
+
+#endif