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