645069299a
be sent periodically. The rs_delay can be speficied when adding the PRL entry and defaults to 15 minutes. The RS is sent from every link local adress that's assigned to the tunnel interface. It's directed to the (guessed) linklocal address of the router and is sent through the tunnel. Better: send to ff02::2 encapsuled in unicast directed to router-v4. Signed-off-by: Sascha Hlusiak <contact@saschahlusiak.de> Signed-off-by: David S. Miller <davem@davemloft.net>
72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
#ifndef _IF_TUNNEL_H_
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#define _IF_TUNNEL_H_
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#include <linux/types.h>
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#ifdef __KERNEL__
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#include <linux/ip.h>
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#endif
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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 SIOCGETPRL (SIOCDEVPRIVATE + 4)
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#define SIOCADDPRL (SIOCDEVPRIVATE + 5)
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#define SIOCDELPRL (SIOCDEVPRIVATE + 6)
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#define SIOCCHGPRL (SIOCDEVPRIVATE + 7)
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#define GRE_CSUM __cpu_to_be16(0x8000)
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#define GRE_ROUTING __cpu_to_be16(0x4000)
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#define GRE_KEY __cpu_to_be16(0x2000)
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#define GRE_SEQ __cpu_to_be16(0x1000)
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#define GRE_STRICT __cpu_to_be16(0x0800)
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#define GRE_REC __cpu_to_be16(0x0700)
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#define GRE_FLAGS __cpu_to_be16(0x00F8)
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#define GRE_VERSION __cpu_to_be16(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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/* SIT-mode i_flags */
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#define SIT_ISATAP 0x0001
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struct ip_tunnel_prl {
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__be32 addr;
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__u16 flags;
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__u16 __reserved;
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__u32 datalen;
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__u32 rs_delay;
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/* data follows */
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};
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/* PRL flags */
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#define PRL_DEFAULT 0x0001
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enum
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{
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IFLA_GRE_UNSPEC,
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IFLA_GRE_LINK,
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IFLA_GRE_IFLAGS,
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IFLA_GRE_OFLAGS,
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IFLA_GRE_IKEY,
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IFLA_GRE_OKEY,
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IFLA_GRE_LOCAL,
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IFLA_GRE_REMOTE,
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IFLA_GRE_TTL,
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IFLA_GRE_TOS,
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IFLA_GRE_PMTUDISC,
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__IFLA_GRE_MAX,
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};
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#define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1)
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#endif /* _IF_TUNNEL_H_ */
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