include/linux/rtnetlink.h

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