include/uapi/linux/rtnetlink.h

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