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#ifndef __LINUX_RTNETLINK_H

#define __LINUX_RTNETLINK_H

#include <linux/types.h>

#include <linux/netlink.h>

#include <linux/if_link.h>

#include <linux/if_addr.h>

#include <linux/neighbour.h>

/* rtnetlink families. Values up to 127 are reserved for real address

 * families, values above 128 may be used arbitrarily.

 */

#define RTNL_FAMILY_IPMR                128

#define RTNL_FAMILY_IP6MR               129

#define RTNL_FAMILY_MAX                 129

/****

 *              Routing/neighbour discovery messages.

 ****/

/* Types of messages */

enum {

        RTM_BASE        = 16,

#define RTM_BASE        RTM_BASE

        RTM_NEWLINK     = 16,

#define RTM_NEWLINK     RTM_NEWLINK

        RTM_DELLINK,

#define RTM_DELLINK     RTM_DELLINK

        RTM_GETLINK,

#define RTM_GETLINK     RTM_GETLINK

        RTM_SETLINK,

#define RTM_SETLINK     RTM_SETLINK

        RTM_NEWADDR     = 20,

#define RTM_NEWADDR     RTM_NEWADDR

        RTM_DELADDR,

#define RTM_DELADDR     RTM_DELADDR

        RTM_GETADDR,

#define RTM_GETADDR     RTM_GETADDR

        RTM_NEWROUTE    = 24,

#define RTM_NEWROUTE    RTM_NEWROUTE

        RTM_DELROUTE,

#define RTM_DELROUTE    RTM_DELROUTE

        RTM_GETROUTE,

#define RTM_GETROUTE    RTM_GETROUTE

        RTM_NEWNEIGH    = 28,

#define RTM_NEWNEIGH    RTM_NEWNEIGH

        RTM_DELNEIGH,

#define RTM_DELNEIGH    RTM_DELNEIGH

        RTM_GETNEIGH,

#define RTM_GETNEIGH    RTM_GETNEIGH

        RTM_NEWRULE     = 32,

#define RTM_NEWRULE     RTM_NEWRULE

        RTM_DELRULE,

#define RTM_DELRULE     RTM_DELRULE

        RTM_GETRULE,

#define RTM_GETRULE     RTM_GETRULE

        RTM_NEWQDISC    = 36,

#define RTM_NEWQDISC    RTM_NEWQDISC

        RTM_DELQDISC,

#define RTM_DELQDISC    RTM_DELQDISC

        RTM_GETQDISC,

#define RTM_GETQDISC    RTM_GETQDISC

        RTM_NEWTCLASS   = 40,

#define RTM_NEWTCLASS   RTM_NEWTCLASS

        RTM_DELTCLASS,

#define RTM_DELTCLASS   RTM_DELTCLASS

        RTM_GETTCLASS,

#define RTM_GETTCLASS   RTM_GETTCLASS

        RTM_NEWTFILTER  = 44,

#define RTM_NEWTFILTER  RTM_NEWTFILTER

        RTM_DELTFILTER,

#define RTM_DELTFILTER  RTM_DELTFILTER

        RTM_GETTFILTER,

#define RTM_GETTFILTER  RTM_GETTFILTER

        RTM_NEWACTION   = 48,

#define RTM_NEWACTION   RTM_NEWACTION

        RTM_DELACTION,

#define RTM_DELACTION   RTM_DELACTION

        RTM_GETACTION,

#define RTM_GETACTION   RTM_GETACTION

        RTM_NEWPREFIX   = 52,

#define RTM_NEWPREFIX   RTM_NEWPREFIX

        RTM_GETMULTICAST = 58,

#define RTM_GETMULTICAST RTM_GETMULTICAST

        RTM_GETANYCAST  = 62,

#define RTM_GETANYCAST  RTM_GETANYCAST

        RTM_NEWNEIGHTBL = 64,

#define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL

        RTM_GETNEIGHTBL = 66,

#define RTM_GETNEIGHTBL RTM_GETNEIGHTBL

        RTM_SETNEIGHTBL,

#define RTM_SETNEIGHTBL RTM_SETNEIGHTBL

        RTM_NEWNDUSEROPT = 68,

#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT

        RTM_NEWADDRLABEL = 72,

#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL

        RTM_DELADDRLABEL,

#define RTM_DELADDRLABEL RTM_DELADDRLABEL

        RTM_GETADDRLABEL,

#define RTM_GETADDRLABEL RTM_GETADDRLABEL

        RTM_GETDCB = 78,

#define RTM_GETDCB RTM_GETDCB

        RTM_SETDCB,

#define RTM_SETDCB RTM_SETDCB

        RTM_NEWNETCONF = 80,

#define RTM_NEWNETCONF RTM_NEWNETCONF

        RTM_GETNETCONF = 82,

#define RTM_GETNETCONF RTM_GETNETCONF

        RTM_NEWMDB = 84,

#define RTM_NEWMDB RTM_NEWMDB

        RTM_DELMDB = 85,

#define RTM_DELMDB RTM_DELMDB

        RTM_GETMDB = 86,

#define RTM_GETMDB RTM_GETMDB

        __RTM_MAX,

#define RTM_MAX         (((__RTM_MAX + 3) & ~3) - 1)

};

#define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE)

#define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2)

#define RTM_FAM(cmd)    (((cmd) - RTM_BASE) >> 2)

/*

   Generic structure for encapsulation of optional route information.

   It is reminiscent of sockaddr, but with sa_family replaced

   with attribute type.

 */

struct rtattr {

        unsigned short  rta_len;

        unsigned short  rta_type;

};

/* Macros to handle rtattributes */

#define RTA_ALIGNTO     4

#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )

#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \

                         (rta)->rta_len >= sizeof(struct rtattr) && \

                         (rta)->rta_len <= (len))

#define RTA_NEXT(rta,attrlen)   ((attrlen) -= RTA_ALIGN((rta)->rta_len), \

                                 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))

#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))

#define RTA_SPACE(len)  RTA_ALIGN(RTA_LENGTH(len))

#define RTA_DATA(rta)   ((void*)(((char*)(rta)) + RTA_LENGTH(0)))

#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))

/******************************************************************************

 *              Definitions used in routing table administration.

 ****/

struct rtmsg {

        unsigned char           rtm_family;

        unsigned char           rtm_dst_len;

        unsigned char           rtm_src_len;

        unsigned char           rtm_tos;

        unsigned char           rtm_table;      /* Routing table id */

        unsigned char           rtm_protocol;   /* Routing protocol; see below  */

        unsigned char           rtm_scope;      /* See below */

        unsigned char           rtm_type;       /* See below    */

        unsigned                rtm_flags;

};

/* rtm_type */

enum {

        RTN_UNSPEC,

        RTN_UNICAST,            /* Gateway or direct route      */

        RTN_LOCAL,              /* Accept locally               */

        RTN_BROADCAST,          /* Accept locally as broadcast,

                                   send as broadcast */

        RTN_ANYCAST,            /* Accept locally as broadcast,

                                   but send as unicast */

        RTN_MULTICAST,          /* Multicast route              */

        RTN_BLACKHOLE,          /* Drop                         */

        RTN_UNREACHABLE,        /* Destination is unreachable   */

        RTN_PROHIBIT,           /* Administratively prohibited  */

        RTN_THROW,              /* Not in this table            */

        RTN_NAT,                /* Translate this address       */

        RTN_XRESOLVE,           /* Use external resolver        */

        __RTN_MAX

};

#define RTN_MAX (__RTN_MAX - 1)

/* rtm_protocol */

#define RTPROT_UNSPEC   0

#define RTPROT_REDIRECT 1       /* Route installed by ICMP redirects;

                                   not used by current IPv4 */

#define RTPROT_KERNEL   2       /* Route installed by kernel            */

#define RTPROT_BOOT     3       /* Route installed during boot          */

#define RTPROT_STATIC   4       /* Route installed by administrator     */

/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;

   they are just passed from user and back as is.

   It will be used by hypothetical multiple routing daemons.

   Note that protocol values should be standardized in order to

   avoid conflicts.

 */

#define RTPROT_GATED    8       /* Apparently, GateD */

#define RTPROT_RA       9       /* RDISC/ND router advertisements */

#define RTPROT_MRT      10      /* Merit MRT */

#define RTPROT_ZEBRA    11      /* Zebra */

#define RTPROT_BIRD     12      /* BIRD */

#define RTPROT_DNROUTED 13      /* DECnet routing daemon */

#define RTPROT_XORP     14      /* XORP */

#define RTPROT_NTK      15      /* Netsukuku */

#define RTPROT_DHCP     16      /* DHCP client */

#define RTPROT_MROUTED  17      /* Multicast daemon */

/* rtm_scope

   Really it is not scope, but sort of distance to the destination.

   NOWHERE are reserved for not existing destinations, HOST is our

   local addresses, LINK are destinations, located on directly attached

   link and UNIVERSE is everywhere in the Universe.

   Intermediate values are also possible f.e. interior routes

   could be assigned a value between UNIVERSE and LINK.

*/

enum rt_scope_t {

        RT_SCOPE_UNIVERSE=0,

/* User defined values  */

        RT_SCOPE_SITE=200,

        RT_SCOPE_LINK=253,

        RT_SCOPE_HOST=254,

        RT_SCOPE_NOWHERE=255

};

/* rtm_flags */

#define RTM_F_NOTIFY            0x100   /* Notify user of route change  */

#define RTM_F_CLONED            0x200   /* This route is cloned         */

#define RTM_F_EQUALIZE          0x400   /* Multipath equalizer: NI      */

#define RTM_F_PREFIX            0x800   /* Prefix addresses             */

/* Reserved table identifiers */

enum rt_class_t {

        RT_TABLE_UNSPEC=0,

/* User defined values */

        RT_TABLE_COMPAT=252,

        RT_TABLE_DEFAULT=253,

        RT_TABLE_MAIN=254,

        RT_TABLE_LOCAL=255,

        RT_TABLE_MAX=0xFFFFFFFF

};

/* Routing message attributes */

enum rtattr_type_t {

        RTA_UNSPEC,

        RTA_DST,

        RTA_SRC,

        RTA_IIF,

        RTA_OIF,

        RTA_GATEWAY,

        RTA_PRIORITY,

        RTA_PREFSRC,

        RTA_METRICS,

        RTA_MULTIPATH,

        RTA_PROTOINFO, /* no longer used */

        RTA_FLOW,

        RTA_CACHEINFO,

        RTA_SESSION, /* no longer used */

        RTA_MP_ALGO, /* no longer used */

        RTA_TABLE,

        RTA_MARK,

        RTA_MFC_STATS,

        __RTA_MAX

};

#define RTA_MAX (__RTA_MAX - 1)

#define RTM_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))

#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))

/* RTM_MULTIPATH --- array of struct rtnexthop.

 *

 * "struct rtnexthop" describes all necessary nexthop information,

 * i.e. parameters of path to a destination via this nexthop.

 *

 * At the moment it is impossible to set different prefsrc, mtu, window

 * and rtt for different paths from multipath.

 */

struct rtnexthop {

        unsigned short          rtnh_len;

        unsigned char           rtnh_flags;

        unsigned char           rtnh_hops;

        int                     rtnh_ifindex;

};

/* rtnh_flags */

#define RTNH_F_DEAD             1       /* Nexthop is dead (used by multipath)  */

#define RTNH_F_PERVASIVE        2       /* Do recursive gateway lookup  */

#define RTNH_F_ONLINK           4       /* Gateway is forced on link    */

/* Macros to handle hexthops */

#define RTNH_ALIGNTO    4

#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )

#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \

                           ((int)(rtnh)->rtnh_len) <= (len))

#define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))

#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))

#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len))

#define RTNH_DATA(rtnh)   ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))

/* RTM_CACHEINFO */

struct rta_cacheinfo {

        __u32   rta_clntref;

        __u32   rta_lastuse;

        __s32   rta_expires;

        __u32   rta_error;

        __u32   rta_used;

#define RTNETLINK_HAVE_PEERINFO 1

        __u32   rta_id;

        __u32   rta_ts;

        __u32   rta_tsage;

};

/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */

enum {

        RTAX_UNSPEC,

#define RTAX_UNSPEC RTAX_UNSPEC

        RTAX_LOCK,

#define RTAX_LOCK RTAX_LOCK

        RTAX_MTU,

#define RTAX_MTU RTAX_MTU

        RTAX_WINDOW,

#define RTAX_WINDOW RTAX_WINDOW

        RTAX_RTT,

#define RTAX_RTT RTAX_RTT

        RTAX_RTTVAR,

#define RTAX_RTTVAR RTAX_RTTVAR

        RTAX_SSTHRESH,

#define RTAX_SSTHRESH RTAX_SSTHRESH

        RTAX_CWND,

#define RTAX_CWND RTAX_CWND

        RTAX_ADVMSS,

#define RTAX_ADVMSS RTAX_ADVMSS

        RTAX_REORDERING,

#define RTAX_REORDERING RTAX_REORDERING

        RTAX_HOPLIMIT,

#define RTAX_HOPLIMIT RTAX_HOPLIMIT

        RTAX_INITCWND,

#define RTAX_INITCWND RTAX_INITCWND

        RTAX_FEATURES,

#define RTAX_FEATURES RTAX_FEATURES

        RTAX_RTO_MIN,

#define RTAX_RTO_MIN RTAX_RTO_MIN

        RTAX_INITRWND,

#define RTAX_INITRWND RTAX_INITRWND

        RTAX_QUICKACK,

#define RTAX_QUICKACK RTAX_QUICKACK

        __RTAX_MAX

};

#define RTAX_MAX (__RTAX_MAX - 1)

#define RTAX_FEATURE_ECN        0x00000001

#define RTAX_FEATURE_SACK       0x00000002

#define RTAX_FEATURE_TIMESTAMP  0x00000004

#define RTAX_FEATURE_ALLFRAG    0x00000008

struct rta_session {

        __u8    proto;

        __u8    pad1;

        __u16   pad2;

        union {

                struct {

                        __u16   sport;

                        __u16   dport;

                } ports;

                struct {

                        __u8    type;

                        __u8    code;

                        __u16   ident;

                } icmpt;

                __u32           spi;

        } u;

};

struct rta_mfc_stats {

        __u64   mfcs_packets;

        __u64   mfcs_bytes;

        __u64   mfcs_wrong_if;

};

/****

 *              General form of address family dependent message.

 ****/

struct rtgenmsg {

        unsigned char           rtgen_family;

};

/*****************************************************************

 *              Link layer specific messages.

 ****/

/* struct ifinfomsg

 * passes link level specific information, not dependent

 * on network protocol.

 */

struct ifinfomsg {

        unsigned char   ifi_family;

        unsigned char   __ifi_pad;

        unsigned short  ifi_type;               /* ARPHRD_* */

        int             ifi_index;              /* Link index   */

        unsigned        ifi_flags;              /* IFF_* flags  */

        unsigned        ifi_change;             /* IFF_* change mask */

};

/********************************************************************

 *              prefix information

 ****/

struct prefixmsg {

        unsigned char   prefix_family;

        unsigned char   prefix_pad1;

        unsigned short  prefix_pad2;

        int             prefix_ifindex;

        unsigned char   prefix_type;

        unsigned char   prefix_len;

        unsigned char   prefix_flags;

        unsigned char   prefix_pad3;

};

enum

{

        PREFIX_UNSPEC,

        PREFIX_ADDRESS,

        PREFIX_CACHEINFO,

        __PREFIX_MAX

};

#define PREFIX_MAX      (__PREFIX_MAX - 1)

struct prefix_cacheinfo {

        __u32   preferred_time;

        __u32   valid_time;

};

/*****************************************************************

 *              Traffic control messages.

 ****/

struct tcmsg {

        unsigned char   tcm_family;

        unsigned char   tcm__pad1;

        unsigned short  tcm__pad2;

        int             tcm_ifindex;

        __u32           tcm_handle;

        __u32           tcm_parent;

        __u32           tcm_info;

};

enum {

        TCA_UNSPEC,

        TCA_KIND,

        TCA_OPTIONS,

        TCA_STATS,

        TCA_XSTATS,

        TCA_RATE,

        TCA_FCNT,

        TCA_STATS2,

        TCA_STAB,

        __TCA_MAX

};

#define TCA_MAX (__TCA_MAX - 1)

#define TCA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))

#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))

/********************************************************************

 *              Neighbor Discovery userland options

 ****/

struct nduseroptmsg {

        unsigned char   nduseropt_family;

        unsigned char   nduseropt_pad1;

        unsigned short  nduseropt_opts_len;     /* Total length of options */

        int             nduseropt_ifindex;

        __u8            nduseropt_icmp_type;

        __u8            nduseropt_icmp_code;

        unsigned short  nduseropt_pad2;

        unsigned int    nduseropt_pad3;

        /* Followed by one or more ND options */

};

enum {

        NDUSEROPT_UNSPEC,

        NDUSEROPT_SRCADDR,

        __NDUSEROPT_MAX

};

#define NDUSEROPT_MAX   (__NDUSEROPT_MAX - 1)

/* RTnetlink multicast groups - backwards compatibility for userspace */

#define RTMGRP_LINK             1

#define RTMGRP_NOTIFY           2

#define RTMGRP_NEIGH            4

#define RTMGRP_TC               8

#define RTMGRP_IPV4_IFADDR      0x10

#define RTMGRP_IPV4_MROUTE      0x20

#define RTMGRP_IPV4_ROUTE       0x40

#define RTMGRP_IPV4_RULE        0x80

#define RTMGRP_IPV6_IFADDR      0x100

#define RTMGRP_IPV6_MROUTE      0x200

#define RTMGRP_IPV6_ROUTE       0x400

#define RTMGRP_IPV6_IFINFO      0x800

#define RTMGRP_DECnet_IFADDR    0x1000

#define RTMGRP_DECnet_ROUTE     0x4000

#define RTMGRP_IPV6_PREFIX      0x20000

/* RTnetlink multicast groups */

enum rtnetlink_groups {

        RTNLGRP_NONE,

#define RTNLGRP_NONE            RTNLGRP_NONE

        RTNLGRP_LINK,

#define RTNLGRP_LINK            RTNLGRP_LINK

        RTNLGRP_NOTIFY,

#define RTNLGRP_NOTIFY          RTNLGRP_NOTIFY

        RTNLGRP_NEIGH,

#define RTNLGRP_NEIGH           RTNLGRP_NEIGH

        RTNLGRP_TC,

#define RTNLGRP_TC              RTNLGRP_TC

        RTNLGRP_IPV4_IFADDR,

#define RTNLGRP_IPV4_IFADDR     RTNLGRP_IPV4_IFADDR

        RTNLGRP_IPV4_MROUTE,

#define RTNLGRP_IPV4_MROUTE     RTNLGRP_IPV4_MROUTE

        RTNLGRP_IPV4_ROUTE,

#define RTNLGRP_IPV4_ROUTE      RTNLGRP_IPV4_ROUTE

        RTNLGRP_IPV4_RULE,

#define RTNLGRP_IPV4_RULE       RTNLGRP_IPV4_RULE

        RTNLGRP_IPV6_IFADDR,

#define RTNLGRP_IPV6_IFADDR     RTNLGRP_IPV6_IFADDR

        RTNLGRP_IPV6_MROUTE,

#define RTNLGRP_IPV6_MROUTE     RTNLGRP_IPV6_MROUTE

        RTNLGRP_IPV6_ROUTE,

#define RTNLGRP_IPV6_ROUTE      RTNLGRP_IPV6_ROUTE

        RTNLGRP_IPV6_IFINFO,

#define RTNLGRP_IPV6_IFINFO     RTNLGRP_IPV6_IFINFO

        RTNLGRP_DECnet_IFADDR,

#define RTNLGRP_DECnet_IFADDR   RTNLGRP_DECnet_IFADDR

        RTNLGRP_NOP2,

        RTNLGRP_DECnet_ROUTE,

#define RTNLGRP_DECnet_ROUTE    RTNLGRP_DECnet_ROUTE

        RTNLGRP_DECnet_RULE,

#define RTNLGRP_DECnet_RULE     RTNLGRP_DECnet_RULE

        RTNLGRP_NOP4,

        RTNLGRP_IPV6_PREFIX,

#define RTNLGRP_IPV6_PREFIX     RTNLGRP_IPV6_PREFIX

        RTNLGRP_IPV6_RULE,

#define RTNLGRP_IPV6_RULE       RTNLGRP_IPV6_RULE

        RTNLGRP_ND_USEROPT,

#define RTNLGRP_ND_USEROPT      RTNLGRP_ND_USEROPT

        RTNLGRP_PHONET_IFADDR,

#define RTNLGRP_PHONET_IFADDR   RTNLGRP_PHONET_IFADDR

        RTNLGRP_PHONET_ROUTE,

#define RTNLGRP_PHONET_ROUTE    RTNLGRP_PHONET_ROUTE

        RTNLGRP_DCB,

#define RTNLGRP_DCB             RTNLGRP_DCB

        RTNLGRP_IPV4_NETCONF,

#define RTNLGRP_IPV4_NETCONF    RTNLGRP_IPV4_NETCONF

        RTNLGRP_IPV6_NETCONF,

#define RTNLGRP_IPV6_NETCONF    RTNLGRP_IPV6_NETCONF

        RTNLGRP_MDB,

#define RTNLGRP_MDB             RTNLGRP_MDB

        __RTNLGRP_MAX

};

#define RTNLGRP_MAX     (__RTNLGRP_MAX - 1)

/* TC action piece */

struct tcamsg {

        unsigned char   tca_family;

        unsigned char   tca__pad1;

        unsigned short  tca__pad2;

};

#define TA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))

#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))

#define TCA_ACT_TAB 1 /* attr type must be >=1 */       

#define TCAA_MAX 1

/* New extended info filters for IFLA_EXT_MASK */

#define RTEXT_FILTER_VF         (1 << 0)

#define RTEXT_FILTER_BRVLAN     (1 << 1)

/* End of information exported to user level */

#endif /* __LINUX_RTNETLINK_H */