1 /*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * Definitions for the IP protocol.
7 *
8 * Version: @(#)ip.h 1.0.2 04/28/93
9 *
10 * Authors: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version
15 * 2 of the License, or (at your option) any later version.
16 */
17 #ifndef _LINUX_IP_H
18 #define _LINUX_IP_H
19
20 #include <linux/skbuff.h>
21 #include <uapi/linux/ip.h>
22
23 static inline struct iphdr *ip_hdr(const struct sk_buff *skb)
24 {
25 return (struct iphdr *)skb_network_header(skb);
26 }
27
28 static inline struct iphdr *inner_ip_hdr(const struct sk_buff *skb)
29 {
30 return (struct iphdr *)skb_inner_network_header(skb);
31 }
32
33 static inline struct iphdr *ipip_hdr(const struct sk_buff *skb)
34 {
35 return (struct iphdr *)skb_transport_header(skb);
36 }
37 #endif /* _LINUX_IP_H */
38
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.