include/uapi/linux/rtnetlink.h

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