linux/include/uapi/linux/rtnetlink.h
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   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef _UAPI__LINUX_RTNETLINK_H
   3#define _UAPI__LINUX_RTNETLINK_H
   4
   5#include <linux/types.h>
   6#include <linux/netlink.h>
   7#include <linux/if_link.h>
   8#include <linux/if_addr.h>
   9#include <linux/neighbour.h>
  10
  11/* rtnetlink families. Values up to 127 are reserved for real address
  12 * families, values above 128 may be used arbitrarily.
  13 */
  14#define RTNL_FAMILY_IPMR                128
  15#define RTNL_FAMILY_IP6MR               129
  16#define RTNL_FAMILY_MAX                 129
  17
  18/****
  19 *              Routing/neighbour discovery messages.
  20 ****/
  21
  22/* Types of messages */
  23
  24enum {
  25        RTM_BASE        = 16,
  26#define RTM_BASE        RTM_BASE
  27
  28        RTM_NEWLINK     = 16,
  29#define RTM_NEWLINK     RTM_NEWLINK
  30        RTM_DELLINK,
  31#define RTM_DELLINK     RTM_DELLINK
  32        RTM_GETLINK,
  33#define RTM_GETLINK     RTM_GETLINK
  34        RTM_SETLINK,
  35#define RTM_SETLINK     RTM_SETLINK
  36
  37        RTM_NEWADDR     = 20,
  38#define RTM_NEWADDR     RTM_NEWADDR
  39        RTM_DELADDR,
  40#define RTM_DELADDR     RTM_DELADDR
  41        RTM_GETADDR,
  42#define RTM_GETADDR     RTM_GETADDR
  43
  44        RTM_NEWROUTE    = 24,
  45#define RTM_NEWROUTE    RTM_NEWROUTE
  46        RTM_DELROUTE,
  47#define RTM_DELROUTE    RTM_DELROUTE
  48        RTM_GETROUTE,
  49#define RTM_GETROUTE    RTM_GETROUTE
  50
  51        RTM_NEWNEIGH    = 28,
  52#define RTM_NEWNEIGH    RTM_NEWNEIGH
  53        RTM_DELNEIGH,
  54#define RTM_DELNEIGH    RTM_DELNEIGH
  55        RTM_GETNEIGH,
  56#define RTM_GETNEIGH    RTM_GETNEIGH
  57
  58        RTM_NEWRULE     = 32,
  59#define RTM_NEWRULE     RTM_NEWRULE
  60        RTM_DELRULE,
  61#define RTM_DELRULE     RTM_DELRULE
  62        RTM_GETRULE,
  63#define RTM_GETRULE     RTM_GETRULE
  64
  65        RTM_NEWQDISC    = 36,
  66#define RTM_NEWQDISC    RTM_NEWQDISC
  67        RTM_DELQDISC,
  68#define RTM_DELQDISC    RTM_DELQDISC
  69        RTM_GETQDISC,
  70#define RTM_GETQDISC    RTM_GETQDISC
  71
  72        RTM_NEWTCLASS   = 40,
  73#define RTM_NEWTCLASS   RTM_NEWTCLASS
  74        RTM_DELTCLASS,
  75#define RTM_DELTCLASS   RTM_DELTCLASS
  76        RTM_GETTCLASS,
  77#define RTM_GETTCLASS   RTM_GETTCLASS
  78
  79        RTM_NEWTFILTER  = 44,
  80#define RTM_NEWTFILTER  RTM_NEWTFILTER
  81        RTM_DELTFILTER,
  82#define RTM_DELTFILTER  RTM_DELTFILTER
  83        RTM_GETTFILTER,
  84#define RTM_GETTFILTER  RTM_GETTFILTER
  85
  86        RTM_NEWACTION   = 48,
  87#define RTM_NEWACTION   RTM_NEWACTION
  88        RTM_DELACTION,
  89#define RTM_DELACTION   RTM_DELACTION
  90        RTM_GETACTION,
  91#define RTM_GETACTION   RTM_GETACTION
  92
  93        RTM_NEWPREFIX   = 52,
  94#define RTM_NEWPREFIX   RTM_NEWPREFIX
  95
  96        RTM_GETMULTICAST = 58,
  97#define RTM_GETMULTICAST RTM_GETMULTICAST
  98
  99        RTM_GETANYCAST  = 62,
 100#define RTM_GETANYCAST  RTM_GETANYCAST
 101
 102        RTM_NEWNEIGHTBL = 64,
 103#define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL
 104        RTM_GETNEIGHTBL = 66,
 105#define RTM_GETNEIGHTBL RTM_GETNEIGHTBL
 106        RTM_SETNEIGHTBL,
 107#define RTM_SETNEIGHTBL RTM_SETNEIGHTBL
 108
 109        RTM_NEWNDUSEROPT = 68,
 110#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT
 111
 112        RTM_NEWADDRLABEL = 72,
 113#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL
 114        RTM_DELADDRLABEL,
 115#define RTM_DELADDRLABEL RTM_DELADDRLABEL
 116        RTM_GETADDRLABEL,
 117#define RTM_GETADDRLABEL RTM_GETADDRLABEL
 118
 119        RTM_GETDCB = 78,
 120#define RTM_GETDCB RTM_GETDCB
 121        RTM_SETDCB,
 122#define RTM_SETDCB RTM_SETDCB
 123
 124        RTM_NEWNETCONF = 80,
 125#define RTM_NEWNETCONF RTM_NEWNETCONF
 126        RTM_DELNETCONF,
 127#define RTM_DELNETCONF RTM_DELNETCONF
 128        RTM_GETNETCONF = 82,
 129#define RTM_GETNETCONF RTM_GETNETCONF
 130
 131        RTM_NEWMDB = 84,
 132#define RTM_NEWMDB RTM_NEWMDB
 133        RTM_DELMDB = 85,
 134#define RTM_DELMDB RTM_DELMDB
 135        RTM_GETMDB = 86,
 136#define RTM_GETMDB RTM_GETMDB
 137
 138        RTM_NEWNSID = 88,
 139#define RTM_NEWNSID RTM_NEWNSID
 140        RTM_DELNSID = 89,
 141#define RTM_DELNSID RTM_DELNSID
 142        RTM_GETNSID = 90,
 143#define RTM_GETNSID RTM_GETNSID
 144
 145        RTM_NEWSTATS = 92,
 146#define RTM_NEWSTATS RTM_NEWSTATS
 147        RTM_GETSTATS = 94,
 148#define RTM_GETSTATS RTM_GETSTATS
 149        RTM_SETSTATS,
 150#define RTM_SETSTATS RTM_SETSTATS
 151
 152        RTM_NEWCACHEREPORT = 96,
 153#define RTM_NEWCACHEREPORT RTM_NEWCACHEREPORT
 154
 155        RTM_NEWCHAIN = 100,
 156#define RTM_NEWCHAIN RTM_NEWCHAIN
 157        RTM_DELCHAIN,
 158#define RTM_DELCHAIN RTM_DELCHAIN
 159        RTM_GETCHAIN,
 160#define RTM_GETCHAIN RTM_GETCHAIN
 161
 162        RTM_NEWNEXTHOP = 104,
 163#define RTM_NEWNEXTHOP  RTM_NEWNEXTHOP
 164        RTM_DELNEXTHOP,
 165#define RTM_DELNEXTHOP  RTM_DELNEXTHOP
 166        RTM_GETNEXTHOP,
 167#define RTM_GETNEXTHOP  RTM_GETNEXTHOP
 168
 169        RTM_NEWLINKPROP = 108,
 170#define RTM_NEWLINKPROP RTM_NEWLINKPROP
 171        RTM_DELLINKPROP,
 172#define RTM_DELLINKPROP RTM_DELLINKPROP
 173        RTM_GETLINKPROP,
 174#define RTM_GETLINKPROP RTM_GETLINKPROP
 175
 176        RTM_NEWVLAN = 112,
 177#define RTM_NEWNVLAN    RTM_NEWVLAN
 178        RTM_DELVLAN,
 179#define RTM_DELVLAN     RTM_DELVLAN
 180        RTM_GETVLAN,
 181#define RTM_GETVLAN     RTM_GETVLAN
 182
 183        RTM_NEWNEXTHOPBUCKET = 116,
 184#define RTM_NEWNEXTHOPBUCKET    RTM_NEWNEXTHOPBUCKET
 185        RTM_DELNEXTHOPBUCKET,
 186#define RTM_DELNEXTHOPBUCKET    RTM_DELNEXTHOPBUCKET
 187        RTM_GETNEXTHOPBUCKET,
 188#define RTM_GETNEXTHOPBUCKET    RTM_GETNEXTHOPBUCKET
 189
 190        RTM_NEWTUNNEL = 120,
 191#define RTM_NEWTUNNEL   RTM_NEWTUNNEL
 192        RTM_DELTUNNEL,
 193#define RTM_DELTUNNEL   RTM_DELTUNNEL
 194        RTM_GETTUNNEL,
 195#define RTM_GETTUNNEL   RTM_GETTUNNEL
 196
 197        __RTM_MAX,
 198#define RTM_MAX         (((__RTM_MAX + 3) & ~3) - 1)
 199};
 200
 201#define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE)
 202#define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2)
 203#define RTM_FAM(cmd)    (((cmd) - RTM_BASE) >> 2)
 204
 205/* 
 206   Generic structure for encapsulation of optional route information.
 207   It is reminiscent of sockaddr, but with sa_family replaced
 208   with attribute type.
 209 */
 210
 211struct rtattr {
 212        unsigned short  rta_len;
 213        unsigned short  rta_type;
 214};
 215
 216/* Macros to handle rtattributes */
 217
 218#define RTA_ALIGNTO     4U
 219#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
 220#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
 221                         (rta)->rta_len >= sizeof(struct rtattr) && \
 222                         (rta)->rta_len <= (len))
 223#define RTA_NEXT(rta,attrlen)   ((attrlen) -= RTA_ALIGN((rta)->rta_len), \
 224                                 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
 225#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
 226#define RTA_SPACE(len)  RTA_ALIGN(RTA_LENGTH(len))
 227#define RTA_DATA(rta)   ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
 228#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
 229
 230
 231
 232
 233/******************************************************************************
 234 *              Definitions used in routing table administration.
 235 ****/
 236
 237struct rtmsg {
 238        unsigned char           rtm_family;
 239        unsigned char           rtm_dst_len;
 240        unsigned char           rtm_src_len;
 241        unsigned char           rtm_tos;
 242
 243        unsigned char           rtm_table;      /* Routing table id */
 244        unsigned char           rtm_protocol;   /* Routing protocol; see below  */
 245        unsigned char           rtm_scope;      /* See below */ 
 246        unsigned char           rtm_type;       /* See below    */
 247
 248        unsigned                rtm_flags;
 249};
 250
 251/* rtm_type */
 252
 253enum {
 254        RTN_UNSPEC,
 255        RTN_UNICAST,            /* Gateway or direct route      */
 256        RTN_LOCAL,              /* Accept locally               */
 257        RTN_BROADCAST,          /* Accept locally as broadcast,
 258                                   send as broadcast */
 259        RTN_ANYCAST,            /* Accept locally as broadcast,
 260                                   but send as unicast */
 261        RTN_MULTICAST,          /* Multicast route              */
 262        RTN_BLACKHOLE,          /* Drop                         */
 263        RTN_UNREACHABLE,        /* Destination is unreachable   */
 264        RTN_PROHIBIT,           /* Administratively prohibited  */
 265        RTN_THROW,              /* Not in this table            */
 266        RTN_NAT,                /* Translate this address       */
 267        RTN_XRESOLVE,           /* Use external resolver        */
 268        __RTN_MAX
 269};
 270
 271#define RTN_MAX (__RTN_MAX - 1)
 272
 273
 274/* rtm_protocol */
 275
 276#define RTPROT_UNSPEC           0
 277#define RTPROT_REDIRECT         1       /* Route installed by ICMP redirects;
 278                                           not used by current IPv4 */
 279#define RTPROT_KERNEL           2       /* Route installed by kernel            */
 280#define RTPROT_BOOT             3       /* Route installed during boot          */
 281#define RTPROT_STATIC           4       /* Route installed by administrator     */
 282
 283/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
 284   they are just passed from user and back as is.
 285   It will be used by hypothetical multiple routing daemons.
 286   Note that protocol values should be standardized in order to
 287   avoid conflicts.
 288 */
 289
 290#define RTPROT_GATED            8       /* Apparently, GateD */
 291#define RTPROT_RA               9       /* RDISC/ND router advertisements */
 292#define RTPROT_MRT              10      /* Merit MRT */
 293#define RTPROT_ZEBRA            11      /* Zebra */
 294#define RTPROT_BIRD             12      /* BIRD */
 295#define RTPROT_DNROUTED         13      /* DECnet routing daemon */
 296#define RTPROT_XORP             14      /* XORP */
 297#define RTPROT_NTK              15      /* Netsukuku */
 298#define RTPROT_DHCP             16      /* DHCP client */
 299#define RTPROT_MROUTED          17      /* Multicast daemon */
 300#define RTPROT_KEEPALIVED       18      /* Keepalived daemon */
 301#define RTPROT_BABEL            42      /* Babel daemon */
 302#define RTPROT_OPENR            99      /* Open Routing (Open/R) Routes */
 303#define RTPROT_BGP              186     /* BGP Routes */
 304#define RTPROT_ISIS             187     /* ISIS Routes */
 305#define RTPROT_OSPF             188     /* OSPF Routes */
 306#define RTPROT_RIP              189     /* RIP Routes */
 307#define RTPROT_EIGRP            192     /* EIGRP Routes */
 308
 309/* rtm_scope
 310
 311   Really it is not scope, but sort of distance to the destination.
 312   NOWHERE are reserved for not existing destinations, HOST is our
 313   local addresses, LINK are destinations, located on directly attached
 314   link and UNIVERSE is everywhere in the Universe.
 315
 316   Intermediate values are also possible f.e. interior routes
 317   could be assigned a value between UNIVERSE and LINK.
 318*/
 319
 320enum rt_scope_t {
 321        RT_SCOPE_UNIVERSE=0,
 322/* User defined values  */
 323        RT_SCOPE_SITE=200,
 324        RT_SCOPE_LINK=253,
 325        RT_SCOPE_HOST=254,
 326        RT_SCOPE_NOWHERE=255
 327};
 328
 329/* rtm_flags */
 330
 331#define RTM_F_NOTIFY            0x100   /* Notify user of route change  */
 332#define RTM_F_CLONED            0x200   /* This route is cloned         */
 333#define RTM_F_EQUALIZE          0x400   /* Multipath equalizer: NI      */
 334#define RTM_F_PREFIX            0x800   /* Prefix addresses             */
 335#define RTM_F_LOOKUP_TABLE      0x1000  /* set rtm_table to FIB lookup result */
 336#define RTM_F_FIB_MATCH         0x2000  /* return full fib lookup match */
 337#define RTM_F_OFFLOAD           0x4000  /* route is offloaded */
 338#define RTM_F_TRAP              0x8000  /* route is trapping packets */
 339#define RTM_F_OFFLOAD_FAILED    0x20000000 /* route offload failed, this value
 340                                            * is chosen to avoid conflicts with
 341                                            * other flags defined in
 342                                            * include/uapi/linux/ipv6_route.h
 343                                            */
 344
 345/* Reserved table identifiers */
 346
 347enum rt_class_t {
 348        RT_TABLE_UNSPEC=0,
 349/* User defined values */
 350        RT_TABLE_COMPAT=252,
 351        RT_TABLE_DEFAULT=253,
 352        RT_TABLE_MAIN=254,
 353        RT_TABLE_LOCAL=255,
 354        RT_TABLE_MAX=0xFFFFFFFF
 355};
 356
 357
 358/* Routing message attributes */
 359
 360enum rtattr_type_t {
 361        RTA_UNSPEC,
 362        RTA_DST,
 363        RTA_SRC,
 364        RTA_IIF,
 365        RTA_OIF,
 366        RTA_GATEWAY,
 367        RTA_PRIORITY,
 368        RTA_PREFSRC,
 369        RTA_METRICS,
 370        RTA_MULTIPATH,
 371        RTA_PROTOINFO, /* no longer used */
 372        RTA_FLOW,
 373        RTA_CACHEINFO,
 374        RTA_SESSION, /* no longer used */
 375        RTA_MP_ALGO, /* no longer used */
 376        RTA_TABLE,
 377        RTA_MARK,
 378        RTA_MFC_STATS,
 379        RTA_VIA,
 380        RTA_NEWDST,
 381        RTA_PREF,
 382        RTA_ENCAP_TYPE,
 383        RTA_ENCAP,
 384        RTA_EXPIRES,
 385        RTA_PAD,
 386        RTA_UID,
 387        RTA_TTL_PROPAGATE,
 388        RTA_IP_PROTO,
 389        RTA_SPORT,
 390        RTA_DPORT,
 391        RTA_NH_ID,
 392        __RTA_MAX
 393};
 394
 395#define RTA_MAX (__RTA_MAX - 1)
 396
 397#define RTM_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
 398#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
 399
 400/* RTM_MULTIPATH --- array of struct rtnexthop.
 401 *
 402 * "struct rtnexthop" describes all necessary nexthop information,
 403 * i.e. parameters of path to a destination via this nexthop.
 404 *
 405 * At the moment it is impossible to set different prefsrc, mtu, window
 406 * and rtt for different paths from multipath.
 407 */
 408
 409struct rtnexthop {
 410        unsigned short          rtnh_len;
 411        unsigned char           rtnh_flags;
 412        unsigned char           rtnh_hops;
 413        int                     rtnh_ifindex;
 414};
 415
 416/* rtnh_flags */
 417
 418#define RTNH_F_DEAD             1       /* Nexthop is dead (used by multipath)  */
 419#define RTNH_F_PERVASIVE        2       /* Do recursive gateway lookup  */
 420#define RTNH_F_ONLINK           4       /* Gateway is forced on link    */
 421#define RTNH_F_OFFLOAD          8       /* Nexthop is offloaded */
 422#define RTNH_F_LINKDOWN         16      /* carrier-down on nexthop */
 423#define RTNH_F_UNRESOLVED       32      /* The entry is unresolved (ipmr) */
 424#define RTNH_F_TRAP             64      /* Nexthop is trapping packets */
 425
 426#define RTNH_COMPARE_MASK       (RTNH_F_DEAD | RTNH_F_LINKDOWN | \
 427                                 RTNH_F_OFFLOAD | RTNH_F_TRAP)
 428
 429/* Macros to handle hexthops */
 430
 431#define RTNH_ALIGNTO    4
 432#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
 433#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
 434                           ((int)(rtnh)->rtnh_len) <= (len))
 435#define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
 436#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
 437#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len))
 438#define RTNH_DATA(rtnh)   ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
 439
 440/* RTA_VIA */
 441struct rtvia {
 442        __kernel_sa_family_t    rtvia_family;
 443        __u8                    rtvia_addr[0];
 444};
 445
 446/* RTM_CACHEINFO */
 447
 448struct rta_cacheinfo {
 449        __u32   rta_clntref;
 450        __u32   rta_lastuse;
 451        __s32   rta_expires;
 452        __u32   rta_error;
 453        __u32   rta_used;
 454
 455#define RTNETLINK_HAVE_PEERINFO 1
 456        __u32   rta_id;
 457        __u32   rta_ts;
 458        __u32   rta_tsage;
 459};
 460
 461/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
 462
 463enum {
 464        RTAX_UNSPEC,
 465#define RTAX_UNSPEC RTAX_UNSPEC
 466        RTAX_LOCK,
 467#define RTAX_LOCK RTAX_LOCK
 468        RTAX_MTU,
 469#define RTAX_MTU RTAX_MTU
 470        RTAX_WINDOW,
 471#define RTAX_WINDOW RTAX_WINDOW
 472        RTAX_RTT,
 473#define RTAX_RTT RTAX_RTT
 474        RTAX_RTTVAR,
 475#define RTAX_RTTVAR RTAX_RTTVAR
 476        RTAX_SSTHRESH,
 477#define RTAX_SSTHRESH RTAX_SSTHRESH
 478        RTAX_CWND,
 479#define RTAX_CWND RTAX_CWND
 480        RTAX_ADVMSS,
 481#define RTAX_ADVMSS RTAX_ADVMSS
 482        RTAX_REORDERING,
 483#define RTAX_REORDERING RTAX_REORDERING
 484        RTAX_HOPLIMIT,
 485#define RTAX_HOPLIMIT RTAX_HOPLIMIT
 486        RTAX_INITCWND,
 487#define RTAX_INITCWND RTAX_INITCWND
 488        RTAX_FEATURES,
 489#define RTAX_FEATURES RTAX_FEATURES
 490        RTAX_RTO_MIN,
 491#define RTAX_RTO_MIN RTAX_RTO_MIN
 492        RTAX_INITRWND,
 493#define RTAX_INITRWND RTAX_INITRWND
 494        RTAX_QUICKACK,
 495#define RTAX_QUICKACK RTAX_QUICKACK
 496        RTAX_CC_ALGO,
 497#define RTAX_CC_ALGO RTAX_CC_ALGO
 498        RTAX_FASTOPEN_NO_COOKIE,
 499#define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE
 500        __RTAX_MAX
 501};
 502
 503#define RTAX_MAX (__RTAX_MAX - 1)
 504
 505#define RTAX_FEATURE_ECN        (1 << 0)
 506#define RTAX_FEATURE_SACK       (1 << 1)
 507#define RTAX_FEATURE_TIMESTAMP  (1 << 2)
 508#define RTAX_FEATURE_ALLFRAG    (1 << 3)
 509
 510#define RTAX_FEATURE_MASK       (RTAX_FEATURE_ECN | RTAX_FEATURE_SACK | \
 511                                 RTAX_FEATURE_TIMESTAMP | RTAX_FEATURE_ALLFRAG)
 512
 513struct rta_session {
 514        __u8    proto;
 515        __u8    pad1;
 516        __u16   pad2;
 517
 518        union {
 519                struct {
 520                        __u16   sport;
 521                        __u16   dport;
 522                } ports;
 523
 524                struct {
 525                        __u8    type;
 526                        __u8    code;
 527                        __u16   ident;
 528                } icmpt;
 529
 530                __u32           spi;
 531        } u;
 532};
 533
 534struct rta_mfc_stats {
 535        __u64   mfcs_packets;
 536        __u64   mfcs_bytes;
 537        __u64   mfcs_wrong_if;
 538};
 539
 540/****
 541 *              General form of address family dependent message.
 542 ****/
 543
 544struct rtgenmsg {
 545        unsigned char           rtgen_family;
 546};
 547
 548/*****************************************************************
 549 *              Link layer specific messages.
 550 ****/
 551
 552/* struct ifinfomsg
 553 * passes link level specific information, not dependent
 554 * on network protocol.
 555 */
 556
 557struct ifinfomsg {
 558        unsigned char   ifi_family;
 559        unsigned char   __ifi_pad;
 560        unsigned short  ifi_type;               /* ARPHRD_* */
 561        int             ifi_index;              /* Link index   */
 562        unsigned        ifi_flags;              /* IFF_* flags  */
 563        unsigned        ifi_change;             /* IFF_* change mask */
 564};
 565
 566/********************************************************************
 567 *              prefix information 
 568 ****/
 569
 570struct prefixmsg {
 571        unsigned char   prefix_family;
 572        unsigned char   prefix_pad1;
 573        unsigned short  prefix_pad2;
 574        int             prefix_ifindex;
 575        unsigned char   prefix_type;
 576        unsigned char   prefix_len;
 577        unsigned char   prefix_flags;
 578        unsigned char   prefix_pad3;
 579};
 580
 581enum 
 582{
 583        PREFIX_UNSPEC,
 584        PREFIX_ADDRESS,
 585        PREFIX_CACHEINFO,
 586        __PREFIX_MAX
 587};
 588
 589#define PREFIX_MAX      (__PREFIX_MAX - 1)
 590
 591struct prefix_cacheinfo {
 592        __u32   preferred_time;
 593        __u32   valid_time;
 594};
 595
 596
 597/*****************************************************************
 598 *              Traffic control messages.
 599 ****/
 600
 601struct tcmsg {
 602        unsigned char   tcm_family;
 603        unsigned char   tcm__pad1;
 604        unsigned short  tcm__pad2;
 605        int             tcm_ifindex;
 606        __u32           tcm_handle;
 607        __u32           tcm_parent;
 608/* tcm_block_index is used instead of tcm_parent
 609 * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK
 610 */
 611#define tcm_block_index tcm_parent
 612        __u32           tcm_info;
 613};
 614
 615/* For manipulation of filters in shared block, tcm_ifindex is set to
 616 * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index
 617 * which is the block index.
 618 */
 619#define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU)
 620
 621enum {
 622        TCA_UNSPEC,
 623        TCA_KIND,
 624        TCA_OPTIONS,
 625        TCA_STATS,
 626        TCA_XSTATS,
 627        TCA_RATE,
 628        TCA_FCNT,
 629        TCA_STATS2,
 630        TCA_STAB,
 631        TCA_PAD,
 632        TCA_DUMP_INVISIBLE,
 633        TCA_CHAIN,
 634        TCA_HW_OFFLOAD,
 635        TCA_INGRESS_BLOCK,
 636        TCA_EGRESS_BLOCK,
 637        TCA_DUMP_FLAGS,
 638        __TCA_MAX
 639};
 640
 641#define TCA_MAX (__TCA_MAX - 1)
 642
 643#define TCA_DUMP_FLAGS_TERSE (1 << 0) /* Means that in dump user gets only basic
 644                                       * data necessary to identify the objects
 645                                       * (handle, cookie, etc.) and stats.
 646                                       */
 647
 648#define TCA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
 649#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
 650
 651/********************************************************************
 652 *              Neighbor Discovery userland options
 653 ****/
 654
 655struct nduseroptmsg {
 656        unsigned char   nduseropt_family;
 657        unsigned char   nduseropt_pad1;
 658        unsigned short  nduseropt_opts_len;     /* Total length of options */
 659        int             nduseropt_ifindex;
 660        __u8            nduseropt_icmp_type;
 661        __u8            nduseropt_icmp_code;
 662        unsigned short  nduseropt_pad2;
 663        unsigned int    nduseropt_pad3;
 664        /* Followed by one or more ND options */
 665};
 666
 667enum {
 668        NDUSEROPT_UNSPEC,
 669        NDUSEROPT_SRCADDR,
 670        __NDUSEROPT_MAX
 671};
 672
 673#define NDUSEROPT_MAX   (__NDUSEROPT_MAX - 1)
 674
 675#ifndef __KERNEL__
 676/* RTnetlink multicast groups - backwards compatibility for userspace */
 677#define RTMGRP_LINK             1
 678#define RTMGRP_NOTIFY           2
 679#define RTMGRP_NEIGH            4
 680#define RTMGRP_TC               8
 681
 682#define RTMGRP_IPV4_IFADDR      0x10
 683#define RTMGRP_IPV4_MROUTE      0x20
 684#define RTMGRP_IPV4_ROUTE       0x40
 685#define RTMGRP_IPV4_RULE        0x80
 686
 687#define RTMGRP_IPV6_IFADDR      0x100
 688#define RTMGRP_IPV6_MROUTE      0x200
 689#define RTMGRP_IPV6_ROUTE       0x400
 690#define RTMGRP_IPV6_IFINFO      0x800
 691
 692#define RTMGRP_DECnet_IFADDR    0x1000
 693#define RTMGRP_DECnet_ROUTE     0x4000
 694
 695#define RTMGRP_IPV6_PREFIX      0x20000
 696#endif
 697
 698/* RTnetlink multicast groups */
 699enum rtnetlink_groups {
 700        RTNLGRP_NONE,
 701#define RTNLGRP_NONE            RTNLGRP_NONE
 702        RTNLGRP_LINK,
 703#define RTNLGRP_LINK            RTNLGRP_LINK
 704        RTNLGRP_NOTIFY,
 705#define RTNLGRP_NOTIFY          RTNLGRP_NOTIFY
 706        RTNLGRP_NEIGH,
 707#define RTNLGRP_NEIGH           RTNLGRP_NEIGH
 708        RTNLGRP_TC,
 709#define RTNLGRP_TC              RTNLGRP_TC
 710        RTNLGRP_IPV4_IFADDR,
 711#define RTNLGRP_IPV4_IFADDR     RTNLGRP_IPV4_IFADDR
 712        RTNLGRP_IPV4_MROUTE,
 713#define RTNLGRP_IPV4_MROUTE     RTNLGRP_IPV4_MROUTE
 714        RTNLGRP_IPV4_ROUTE,
 715#define RTNLGRP_IPV4_ROUTE      RTNLGRP_IPV4_ROUTE
 716        RTNLGRP_IPV4_RULE,
 717#define RTNLGRP_IPV4_RULE       RTNLGRP_IPV4_RULE
 718        RTNLGRP_IPV6_IFADDR,
 719#define RTNLGRP_IPV6_IFADDR     RTNLGRP_IPV6_IFADDR
 720        RTNLGRP_IPV6_MROUTE,
 721#define RTNLGRP_IPV6_MROUTE     RTNLGRP_IPV6_MROUTE
 722        RTNLGRP_IPV6_ROUTE,
 723#define RTNLGRP_IPV6_ROUTE      RTNLGRP_IPV6_ROUTE
 724        RTNLGRP_IPV6_IFINFO,
 725#define RTNLGRP_IPV6_IFINFO     RTNLGRP_IPV6_IFINFO
 726        RTNLGRP_DECnet_IFADDR,
 727#define RTNLGRP_DECnet_IFADDR   RTNLGRP_DECnet_IFADDR
 728        RTNLGRP_NOP2,
 729        RTNLGRP_DECnet_ROUTE,
 730#define RTNLGRP_DECnet_ROUTE    RTNLGRP_DECnet_ROUTE
 731        RTNLGRP_DECnet_RULE,
 732#define RTNLGRP_DECnet_RULE     RTNLGRP_DECnet_RULE
 733        RTNLGRP_NOP4,
 734        RTNLGRP_IPV6_PREFIX,
 735#define RTNLGRP_IPV6_PREFIX     RTNLGRP_IPV6_PREFIX
 736        RTNLGRP_IPV6_RULE,
 737#define RTNLGRP_IPV6_RULE       RTNLGRP_IPV6_RULE
 738        RTNLGRP_ND_USEROPT,
 739#define RTNLGRP_ND_USEROPT      RTNLGRP_ND_USEROPT
 740        RTNLGRP_PHONET_IFADDR,
 741#define RTNLGRP_PHONET_IFADDR   RTNLGRP_PHONET_IFADDR
 742        RTNLGRP_PHONET_ROUTE,
 743#define RTNLGRP_PHONET_ROUTE    RTNLGRP_PHONET_ROUTE
 744        RTNLGRP_DCB,
 745#define RTNLGRP_DCB             RTNLGRP_DCB
 746        RTNLGRP_IPV4_NETCONF,
 747#define RTNLGRP_IPV4_NETCONF    RTNLGRP_IPV4_NETCONF
 748        RTNLGRP_IPV6_NETCONF,
 749#define RTNLGRP_IPV6_NETCONF    RTNLGRP_IPV6_NETCONF
 750        RTNLGRP_MDB,
 751#define RTNLGRP_MDB             RTNLGRP_MDB
 752        RTNLGRP_MPLS_ROUTE,
 753#define RTNLGRP_MPLS_ROUTE      RTNLGRP_MPLS_ROUTE
 754        RTNLGRP_NSID,
 755#define RTNLGRP_NSID            RTNLGRP_NSID
 756        RTNLGRP_MPLS_NETCONF,
 757#define RTNLGRP_MPLS_NETCONF    RTNLGRP_MPLS_NETCONF
 758        RTNLGRP_IPV4_MROUTE_R,
 759#define RTNLGRP_IPV4_MROUTE_R   RTNLGRP_IPV4_MROUTE_R
 760        RTNLGRP_IPV6_MROUTE_R,
 761#define RTNLGRP_IPV6_MROUTE_R   RTNLGRP_IPV6_MROUTE_R
 762        RTNLGRP_NEXTHOP,
 763#define RTNLGRP_NEXTHOP         RTNLGRP_NEXTHOP
 764        RTNLGRP_BRVLAN,
 765#define RTNLGRP_BRVLAN          RTNLGRP_BRVLAN
 766        RTNLGRP_MCTP_IFADDR,
 767#define RTNLGRP_MCTP_IFADDR     RTNLGRP_MCTP_IFADDR
 768        RTNLGRP_TUNNEL,
 769#define RTNLGRP_TUNNEL          RTNLGRP_TUNNEL
 770        RTNLGRP_STATS,
 771#define RTNLGRP_STATS           RTNLGRP_STATS
 772        __RTNLGRP_MAX
 773};
 774#define RTNLGRP_MAX     (__RTNLGRP_MAX - 1)
 775
 776/* TC action piece */
 777struct tcamsg {
 778        unsigned char   tca_family;
 779        unsigned char   tca__pad1;
 780        unsigned short  tca__pad2;
 781};
 782
 783enum {
 784        TCA_ROOT_UNSPEC,
 785        TCA_ROOT_TAB,
 786#define TCA_ACT_TAB TCA_ROOT_TAB
 787#define TCAA_MAX TCA_ROOT_TAB
 788        TCA_ROOT_FLAGS,
 789        TCA_ROOT_COUNT,
 790        TCA_ROOT_TIME_DELTA, /* in msecs */
 791        __TCA_ROOT_MAX,
 792#define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1)
 793};
 794
 795#define TA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
 796#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
 797/* tcamsg flags stored in attribute TCA_ROOT_FLAGS
 798 *
 799 * TCA_ACT_FLAG_LARGE_DUMP_ON user->kernel to request for larger than
 800 * TCA_ACT_MAX_PRIO actions in a dump. All dump responses will contain the
 801 * number of actions being dumped stored in for user app's consumption in
 802 * TCA_ROOT_COUNT
 803 *
 804 * TCA_ACT_FLAG_TERSE_DUMP user->kernel to request terse (brief) dump that only
 805 * includes essential action info (kind, index, etc.)
 806 *
 807 */
 808#define TCA_FLAG_LARGE_DUMP_ON          (1 << 0)
 809#define TCA_ACT_FLAG_LARGE_DUMP_ON      TCA_FLAG_LARGE_DUMP_ON
 810#define TCA_ACT_FLAG_TERSE_DUMP         (1 << 1)
 811
 812/* New extended info filters for IFLA_EXT_MASK */
 813#define RTEXT_FILTER_VF         (1 << 0)
 814#define RTEXT_FILTER_BRVLAN     (1 << 1)
 815#define RTEXT_FILTER_BRVLAN_COMPRESSED  (1 << 2)
 816#define RTEXT_FILTER_SKIP_STATS (1 << 3)
 817#define RTEXT_FILTER_MRP        (1 << 4)
 818#define RTEXT_FILTER_CFM_CONFIG (1 << 5)
 819#define RTEXT_FILTER_CFM_STATUS (1 << 6)
 820#define RTEXT_FILTER_MST        (1 << 7)
 821
 822/* End of information exported to user level */
 823
 824
 825
 826#endif /* _UAPI__LINUX_RTNETLINK_H */
 827