| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
| Arnaldo Carvalho de Melo | eddc9ec | 2007-04-20 22:47:35 -0700 | [diff] [blame] | 20 | #include <linux/skbuff.h> |
| David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 21 | #include <uapi/linux/ip.h> |
| Arnaldo Carvalho de Melo | eddc9ec | 2007-04-20 22:47:35 -0700 | [diff] [blame] | 22 | |
| 23 | static inline struct iphdr *ip_hdr(const struct sk_buff *skb) |
| 24 | { |
| 25 | return (struct iphdr *)skb_network_header(skb); |
| 26 | } |
| Arnaldo Carvalho de Melo | b0061ce | 2007-04-25 18:02:22 -0700 | [diff] [blame] | 27 | |
| 28 | static inline struct iphdr *ipip_hdr(const struct sk_buff *skb) |
| 29 | { |
| Arnaldo Carvalho de Melo | 9c70220 | 2007-04-25 18:04:18 -0700 | [diff] [blame] | 30 | return (struct iphdr *)skb_transport_header(skb); |
| Arnaldo Carvalho de Melo | b0061ce | 2007-04-25 18:02:22 -0700 | [diff] [blame] | 31 | } |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | #endif /* _LINUX_IP_H */ |