Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / ip.h

diff --git a/kernel/include/linux/ip.h b/kernel/include/linux/ip.h
new file mode 100644 (file)
index 0000000..492bc65
--- /dev/null
+++ b/kernel/include/linux/ip.h
@@ -0,0 +1,37 @@
+/*
+ * INET                An implementation of the TCP/IP protocol suite for the LINUX
+ *             operating system.  INET is implemented using the  BSD Socket
+ *             interface as the means of communication with the user level.
+ *
+ *             Definitions for the IP protocol.
+ *
+ * Version:    @(#)ip.h        1.0.2   04/28/93
+ *
+ * Authors:    Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ *             This program is free software; you can redistribute it and/or
+ *             modify it under the terms of the GNU General Public License
+ *             as published by the Free Software Foundation; either version
+ *             2 of the License, or (at your option) any later version.
+ */
+#ifndef _LINUX_IP_H
+#define _LINUX_IP_H
+
+#include <linux/skbuff.h>
+#include <uapi/linux/ip.h>
+
+static inline struct iphdr *ip_hdr(const struct sk_buff *skb)
+{
+       return (struct iphdr *)skb_network_header(skb);
+}
+
+static inline struct iphdr *inner_ip_hdr(const struct sk_buff *skb)
+{
+       return (struct iphdr *)skb_inner_network_header(skb);
+}
+
+static inline struct iphdr *ipip_hdr(const struct sk_buff *skb)
+{
+       return (struct iphdr *)skb_transport_header(skb);
+}
+#endif /* _LINUX_IP_H */