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