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#ifndef _IF_TUNNEL_H_
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#define _IF_TUNNEL_H_
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#define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0)
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#define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1)
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#define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2)
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#define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3)
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#define GRE_CSUM __constant_htons(0x8000)
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#define GRE_ROUTING __constant_htons(0x4000)
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#define GRE_KEY __constant_htons(0x2000)
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#define GRE_SEQ __constant_htons(0x1000)
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#define GRE_STRICT __constant_htons(0x0800)
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#define GRE_REC __constant_htons(0x0700)
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#define GRE_FLAGS __constant_htons(0x00F8)
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#define GRE_VERSION __constant_htons(0x0007)
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struct ip_tunnel_parm
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{
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char name[IFNAMSIZ];
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int link;
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__be16 i_flags;
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__be16 o_flags;
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__be32 i_key;
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__be32 o_key;
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struct iphdr iph;
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};
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#endif /* _IF_TUNNEL_H_ */
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