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Viewing changes to include/linux/ipv6.h

  • Committer: Bazaar Package Importer
  • Author(s): Heiko Stuebner
  • Date: 2011-05-21 19:25:13 UTC
  • Revision ID: james.westby@ubuntu.com-20110521192513-1ieyu9w9kym4bt16
Tags: upstream-3.0
Import upstream version 3.0

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include/linux/ipv6.h
 
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#ifndef _IPV6_H
 
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#define _IPV6_H
 
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/* The latest drafts declared increase in minimal mtu up to 1280. */
 
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#define IPV6_MIN_MTU    1280
 
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/*
 
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 *      Advanced API
 
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 *      source interface/address selection, source routing, etc...
 
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 *      *under construction*
 
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 */
 
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struct in6_ifreq {
 
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        struct in6_addr ifr6_addr;
 
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        __u32           ifr6_prefixlen;
 
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        int             ifr6_ifindex; 
 
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};
 
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#define IPV6_SRCRT_STRICT       0x01    /* Deprecated; will be removed */
 
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#define IPV6_SRCRT_TYPE_0       0       /* Deprecated; will be removed */
 
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#define IPV6_SRCRT_TYPE_2       2       /* IPv6 type 2 Routing Header   */
 
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/*
 
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 *      routing header
 
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 */
 
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struct ipv6_rt_hdr {
 
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        __u8            nexthdr;
 
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        __u8            hdrlen;
 
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        __u8            type;
 
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        __u8            segments_left;
 
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        /*
 
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         *      type specific data
 
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         *      variable length field
 
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         */
 
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};
 
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struct ipv6_opt_hdr {
 
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        __u8            nexthdr;
 
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        __u8            hdrlen;
 
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        /* 
 
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         * TLV encoded option data follows.
 
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         */
 
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} __attribute__((packed));      /* required for some archs */
 
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#define ipv6_destopt_hdr ipv6_opt_hdr
 
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#define ipv6_hopopt_hdr  ipv6_opt_hdr
 
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/*
 
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 *      routing header type 0 (used in cmsghdr struct)
 
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 */
 
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struct rt0_hdr {
 
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        struct ipv6_rt_hdr      rt_hdr;
 
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        __u32                   reserved;
 
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        struct in6_addr         addr[0];
 
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#define rt0_type                rt_hdr.type
 
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};
 
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/*
 
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 *      routing header type 2
 
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 */
 
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struct rt2_hdr {
 
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        struct ipv6_rt_hdr      rt_hdr;
 
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        __u32                   reserved;
 
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        struct in6_addr         addr;
 
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#define rt2_type                rt_hdr.type
 
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};
 
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/*
 
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 *      home address option in destination options header
 
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 */
 
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struct ipv6_destopt_hao {
 
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        __u8                    type;
 
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        __u8                    length;
 
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        struct in6_addr         addr;
 
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} __attribute__((packed));
 
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/* index values for the variables in ipv6_devconf */
 
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enum {
 
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        DEVCONF_FORWARDING = 0,
 
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        DEVCONF_HOPLIMIT,
 
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        DEVCONF_MTU6,
 
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        DEVCONF_ACCEPT_RA,
 
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        DEVCONF_ACCEPT_REDIRECTS,
 
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        DEVCONF_AUTOCONF,
 
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        DEVCONF_DAD_TRANSMITS,
 
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        DEVCONF_RTR_SOLICITS,
 
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        DEVCONF_RTR_SOLICIT_INTERVAL,
 
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        DEVCONF_RTR_SOLICIT_DELAY,
 
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        DEVCONF_USE_TEMPADDR,
 
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        DEVCONF_TEMP_VALID_LFT,
 
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        DEVCONF_TEMP_PREFERED_LFT,
 
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        DEVCONF_REGEN_MAX_RETRY,
 
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        DEVCONF_MAX_DESYNC_FACTOR,
 
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        DEVCONF_MAX_ADDRESSES,
 
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        DEVCONF_FORCE_MLD_VERSION,
 
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        DEVCONF_ACCEPT_RA_DEFRTR,
 
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        DEVCONF_ACCEPT_RA_PINFO,
 
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        DEVCONF_ACCEPT_RA_RTR_PREF,
 
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        DEVCONF_RTR_PROBE_INTERVAL,
 
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        DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN,
 
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        DEVCONF_PROXY_NDP,
 
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        DEVCONF_OPTIMISTIC_DAD,
 
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        DEVCONF_ACCEPT_SOURCE_ROUTE,
 
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        DEVCONF_MC_FORWARDING,
 
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        DEVCONF_DISABLE_IPV6,
 
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        DEVCONF_ACCEPT_DAD,
 
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        DEVCONF_FORCE_TLLAO,
 
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        DEVCONF_MAX
 
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};
 
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#endif /* _IPV6_H */